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CN106105542A - A kind of hand-push electrical mower control system - Google Patents

A kind of hand-push electrical mower control system
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Publication number
CN106105542A
CN106105542ACN201610529775.7ACN201610529775ACN106105542ACN 106105542 ACN106105542 ACN 106105542ACN 201610529775 ACN201610529775 ACN 201610529775ACN 106105542 ACN106105542 ACN 106105542A
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sensor
processor
speed
cutter head
signal
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CN106105542B (en
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雷哓晖
吕晓兰
杨青松
柏宗春
王中华
蔺经
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Jiangsu Yanjiang Agricultural Science Research Institute
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Jiangsu Yanjiang Agricultural Science Research Institute
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Abstract

The invention discloses a kind of hand-push electrical mower control system, belong to weeding machine control field.For the problem solving hand-push electrical mower gait of march and cutterhead rotating speed ratio can not regulate.It is arranged on hay mover wheel including first sensor, is converted to the first signal transmission to processor for gait of march will be got;Second sensor is arranged on outside sleeve, sends to processor for the cutterhead rotating speed got is converted to secondary signal;3rd sensor is arranged on inside sleeve, for obtaining the rock deformation pressure of the spring being arranged in sleeve, rock deformation pressure is converted to the 3rd signal and sends to processor;Processor, according to the 3rd signal, sends pulse width by controller to hay mover cutter motor, so that cutter motor stops operating;Processor is according to the gait of march of hay mover and cutterhead rotating speed, by controller and hay mover cutter motor, regulates cutterhead rotating speed.

Description

Translated fromChinese
一种手推式电动割草机控制系统A hand-push electric lawn mower control system

技术领域technical field

本发明涉及除草机械控制领域,具体涉及一种手推式电动割草机控制系统。The invention relates to the field of weeding machinery control, in particular to a hand-push electric lawn mower control system.

背景技术Background technique

随着生活水平的提高,日常生活中,对割草机械的使用要求越来越高,传统的割草机噪声大、振动大、毒排放的手推式汽油割草机,逐渐被现代的噪声小、运行平稳、零排放的手推式电动割草机所取代。With the improvement of living standards, the requirements for the use of lawn mowers are getting higher and higher in daily life. The traditional hand-push gasoline lawn mowers with large noise, large vibration and toxic emissions are gradually replaced by modern noise Small, smooth-running, zero-emission walk-behind electric lawn mowers.

在实际应用中,设置在道路上的手推式电动割草机,会由于道路不平整、含石子量较多等因素的影响,而发生割草计刀盘不运转现象,从而造成刀盘电机烧毁或刀盘崩刀。目前,由于电动割草机行进速度与刀盘转速间存在设定的比例关系,比如,若割草机行走速度快,则电动割草机的刀盘转速则相对比较慢,而且刀盘的转无法增加,从而会出现漏割现象;若割草机行进速度过慢,则电动割草机的刀盘转速则相对比较快,从而会出现重割现象。In practical applications, the hand-push electric lawn mower installed on the road will cause the cutter head of the mowing meter to not run due to factors such as uneven roads and more stones, which will cause the cutter head motor to malfunction. Burnt or knife plate collapse knife. At present, because there is a set proportional relationship between the moving speed of the electric lawn mower and the rotating speed of the cutter head, for example, if the moving speed of the lawn mower is fast, the rotating speed of the cutting head of the electric lawn mower is relatively slow, and the rotation speed of the cutting head If it cannot be increased, the phenomenon of missed cutting will occur; if the speed of the lawn mower is too slow, the speed of the cutter head of the electric lawn mower will be relatively fast, resulting in heavy cutting.

综上所述,现有的手推式电动割草机存在行进速度和刀盘转速比例不能调节的问题。To sum up, the existing hand-push electric lawn mower has the problem that the ratio of the speed of travel and the rotation speed of the cutter head cannot be adjusted.

发明内容Contents of the invention

本发明实施例提供一种手推式电动割草机控制系统,用以解决现有的手推式电动割草机存在行进速度和刀盘转速比例不能调节的问题。An embodiment of the present invention provides a control system for a hand-push electric lawn mower, which is used to solve the problem that the ratio of the traveling speed and the rotating speed of the cutter head cannot be adjusted in the existing hand-push electric lawn mower.

本发明实施例提供一种手推式电动割草机控制系统,包括:处理器,第一传感器,第二传感器,第三传感器和控制器;An embodiment of the present invention provides a hand-push electric lawn mower control system, including: a processor, a first sensor, a second sensor, a third sensor and a controller;

所述第一传感器,所述第二传感器,所述第三传感器和所述控制器分别与所述处理器电联接;The first sensor, the second sensor, the third sensor and the controller are respectively electrically coupled to the processor;

所述第一传感器设置在割草机车轮上,用于根据固定在所述车轮上的第一磁铁确定割草机行进速度,并将获取到的所述行进速度转换为第一信号发送至所述处理器;The first sensor is arranged on the wheel of the mower, and is used to determine the moving speed of the lawn mower according to the first magnet fixed on the wheel, and convert the obtained moving speed into a first signal and send it to the processor;

所述第二传感器设置在套筒外侧,用于根据固定在割草机刀盘上的第二磁铁确定刀盘转速,并将获取到的所述刀盘转速转换为第二信号发送至所述处理器;The second sensor is arranged on the outside of the sleeve, and is used to determine the rotation speed of the cutter head according to the second magnet fixed on the cutter head of the lawnmower, and convert the acquired rotation speed of the cutter head into a second signal and send it to the processor;

所述第三传感器设置在所述套筒内侧,用于获取设置在所述套筒内的弹簧的变形压力,当获取到的所述变形压力超过设定压力阈值,将所述变形压力转换为第三信号发送至所述处理器;The third sensor is disposed inside the sleeve, and is used to obtain the deformation pressure of the spring disposed in the sleeve, and when the obtained deformation pressure exceeds a set pressure threshold, convert the deformation pressure into sending a third signal to the processor;

所述处理器根据所述第三信号,通过所述控制器向割草机刀盘电机发送脉冲宽度,以使刀盘电机的转轴停止转动,所述刀盘电机用于控制所述刀盘的转速;According to the third signal, the processor sends a pulse width to the cutter head motor of the lawnmower through the controller, so that the rotation shaft of the cutter head motor stops rotating, and the cutter head motor is used to control the Rotating speed;

所述处理器根据所述第一信号和所述第二信号,确定所述割草机的行进速度和所述刀盘转速,通过所述控制器和所述割草机刀盘电机,调节所述刀盘转速。The processor determines the speed of the lawnmower and the rotation speed of the cutter head according to the first signal and the second signal, and adjusts the speed of the mower through the controller and the motor of the cutter head of the lawn mower. The cutterhead speed.

优选地,所述第一传感器为轮速传感器,所述第二传感器为刀盘转速传感器,所述第三传感器为贴片式压力传感器。Preferably, the first sensor is a wheel speed sensor, the second sensor is a cutter head rotation speed sensor, and the third sensor is a patch pressure sensor.

优选地,还包括与所述处理器电连接的报警器;Preferably, it also includes an alarm electrically connected to the processor;

所述处理器根据所述第一信号和所述第二信号,确定所述割草机的行进速度和所述刀盘转速,通过所述控制器和所述割草机刀盘电机,调节所述刀盘转速包括:The processor determines the speed of the lawnmower and the rotation speed of the cutter head according to the first signal and the second signal, and adjusts the speed of the mower through the controller and the motor of the cutter head of the lawn mower. The mentioned cutter head speed includes:

当所述处理器确定所述割草机的行进速度小于第一阈值时,所述处理器通过所述控制器将所述刀盘电机转速调小,并向所述报警器发送开启信号;或者When the processor determines that the speed of the lawnmower is less than the first threshold, the processor reduces the rotation speed of the cutterhead motor through the controller, and sends an activation signal to the alarm; or

当所述处理器确定所述割草机的行进速度大于第二阈值时,所述处理器通过所述控制器将所述刀盘电机转速调大,并向所述报警器发送开启信号。When the processor determines that the speed of the lawnmower is greater than the second threshold, the processor increases the rotation speed of the cutter head motor through the controller, and sends an activation signal to the alarm.

优选地,所述弹簧为变径弹簧,当所述刀盘遇到障碍物无法旋转时,在所述刀盘电机转轴的相对扭转下,所述变径弹簧直径变大,挤压所述第三传感器。Preferably, the spring is a variable-diameter spring. When the cutter head encounters an obstacle and cannot rotate, the diameter of the variable-diameter spring becomes larger under the relative twist of the cutter head motor shaft, pressing the first Three sensors.

本发明实施例中,提供一种手推式电动割草机控制系统,包括:处理器,第一传感器,第二传感器,第三传感器和控制器;所述第一传感器,所述第二传感器,所述第三传感器和所述控制器分别与所述处理器电联接;所述第一传感器设置在割草机车轮上,用于根据固定在所述车轮上的第一磁铁确定割草机行进速度,并将获取到的所述行进速度转换为第一信号发送至所述处理器;所述第二传感器设置在套筒外侧,用于根据固定在割草机刀盘上的第二磁铁确定刀盘转速,并将获取到的所述刀盘转速转换为第二信号发送至所述处理器;所述第三传感器设置在所述套筒内侧,用于获取设置在所述套筒内的弹簧的变形压力,当获取到的所述变形压力超过设定压力阈值,将所述变形压力转换为第三信号发送至所述处理器;所述处理器根据所述第三信号,通过所述控制器向割草机刀盘电机发送脉冲宽度,以使所述刀盘电机停止转动,所述刀盘电机用于控制所述刀盘的转速;所述处理器根据所述第一信号和所述第二信号,确定所述割草机的行进速度和所述刀盘转速,通过所述控制器和所述割草机刀盘电机,调节所述刀盘转速。在本发明实施例中,处理器根据第三传感器发送的第三信号,可以直接控制刀盘电机停止转动,而处理器没有接受到第三传感器发送的第三信号时,可以根据第一信号和第二信号,确定割草机的行进速度和刀盘转速,并根据割草机的行进速度,具体控制刀盘的转速,通过上述设计,可以使得手推式电动割草机在工作时,能够自动调节割草机行进速度和刀盘转速,进一步地,通过第三传感器的设置,可以避免障碍物阻挡割草机行进,而刀盘在割草机停止行进时转速不变,造成刀盘电机烧坏和刀盘崩刀的问题。In an embodiment of the present invention, a hand-push electric lawn mower control system is provided, including: a processor, a first sensor, a second sensor, a third sensor and a controller; the first sensor, the second sensor , the third sensor and the controller are respectively electrically coupled with the processor; the first sensor is arranged on the wheel of the lawn mower, and is used to determine the lawn mower according to the first magnet fixed on the wheel. travel speed, and convert the obtained travel speed into a first signal and send it to the processor; the second sensor is arranged on the outside of the sleeve for Determining the rotation speed of the cutter head, converting the obtained rotation speed of the cutter head into a second signal and sending it to the processor; the third sensor is arranged inside the sleeve for obtaining The deformation pressure of the spring, when the obtained deformation pressure exceeds the set pressure threshold, convert the deformation pressure into a third signal and send it to the processor; The controller sends a pulse width to the cutter head motor of the mower, so that the cutter head motor stops rotating, and the cutter head motor is used to control the rotation speed of the cutter head; the processor according to the first signal and The second signal determines the moving speed of the mower and the rotation speed of the cutter head, and adjusts the rotation speed of the cutter head through the controller and the cutter head motor of the lawn mower. In the embodiment of the present invention, the processor can directly control the cutterhead motor to stop rotating according to the third signal sent by the third sensor, and when the processor does not receive the third signal sent by the third sensor, it can The second signal determines the speed of the lawn mower and the rotation speed of the cutter head, and controls the speed of the cutter head according to the speed of the lawn mower. Through the above design, the hand-push electric lawn mower can be Automatically adjust the speed of the lawn mower and the rotation speed of the cutter head. Further, through the setting of the third sensor, obstacles can be avoided to block the progress of the lawn mower, and the speed of the cutter head will not change when the lawn mower stops moving, causing the cutter head motor to Problems with burnout and blade crash.

附图说明Description of drawings

为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

图1为本发明实施例提供的一种手推式电动割草机控制系统电路结构示意图;Fig. 1 is a schematic circuit structure diagram of a hand-push electric lawn mower control system provided by an embodiment of the present invention;

图2为本发明实施例提供的刀盘部位传感器安装结构示意图。Fig. 2 is a schematic diagram of the installation structure of the cutter head position sensor provided by the embodiment of the present invention.

具体实施方式detailed description

下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

图1示例性的示出了本发明实施例提供的一种手推式电动割草机控制系统电路结构示意图。Fig. 1 exemplarily shows a schematic circuit structure diagram of a control system of a hand-push electric lawn mower provided by an embodiment of the present invention.

如图1所示,本发明实施例提供的手推式电动割草机控制系统主要包括处理器100,第一传感器101,第二传感器102,第三传感器103和控制器104。As shown in FIG. 1 , the control system of the hand push electric lawnmower provided by the embodiment of the present invention mainly includes a processor 100 , a first sensor 101 , a second sensor 102 , a third sensor 103 and a controller 104 .

具体地,如图1所示,第一传感器101,第二传感器102,第三传感器103和控制器104分别与处理器100电联接。其中,第一传感器101设置在割草机车轮上,用于根据固定在车轮上的第一磁铁确定割草机行进速度,并将获取到的割草机行进速度转换为第一信号发送至处理器100;第二传感器102设置在套筒201外侧,用于根据固定在割草机刀盘202上的第二磁铁203确定刀盘转速,并将获取到的刀盘转速转换为第二信号发送至处理器100;第三传感器103设置在套筒201内侧,用于获取设置在套筒201内的弹簧204的变形压力,当获取到的变形压力超过设定压力阈值,将变形压力转换为第三信号发送至所述处理器100。Specifically, as shown in FIG. 1 , the first sensor 101 , the second sensor 102 , the third sensor 103 and the controller 104 are respectively electrically coupled with the processor 100 . Wherein, the first sensor 101 is arranged on the wheel of the lawn mower, and is used for determining the speed of the lawn mower according to the first magnet fixed on the wheel, and converts the obtained speed of the lawn mower into a first signal and sends it to the processing unit. device 100; the second sensor 102 is arranged on the outside of the sleeve 201, and is used to determine the cutter head speed according to the second magnet 203 fixed on the lawn mower cutter head 202, and convert the obtained cutter head speed into a second signal for transmission to the processor 100; the third sensor 103 is arranged inside the sleeve 201, and is used to obtain the deformation pressure of the spring 204 arranged in the sleeve 201, and when the obtained deformation pressure exceeds the set pressure threshold, the deformation pressure is converted into the first Three signals are sent to the processor 100 .

图2为本发明实施例提供的刀盘202部位传感器安装结构示意图,如图2所示,刀盘202部位主要包括有套筒201,刀盘202,第二磁铁203,弹簧204,刀盘电机205,刀盘电机的转轴206,第二传感器102和第三传感器103。Figure 2 is a schematic diagram of the sensor installation structure of the cutter head 202 provided by the embodiment of the present invention. As shown in Figure 2, the cutter head 202 mainly includes a sleeve 201, a cutter head 202, a second magnet 203, a spring 204, and a cutter head motor 205 , the rotating shaft 206 of the cutter head motor, the second sensor 102 and the third sensor 103 .

具体地,弹簧204套接在刀盘电机205的转轴上,弹簧204的顶端与刀盘电机的转轴206固定连接,弹簧204的底端通过螺栓与刀盘202固定连接,弹簧204旋转方向与刀盘电机205旋转方向相同。套筒201固定在刀盘电机205机身上,套筒201的内壁用来固定第三传感器103,套筒201的外壁用来固定第二传感器102。Specifically, the spring 204 is sleeved on the rotating shaft of the cutter head motor 205, the top of the spring 204 is fixedly connected with the rotating shaft 206 of the cutter head motor, the bottom end of the spring 204 is fixedly connected with the cutter head 202 through bolts, and the direction of rotation of the spring 204 is in line with that of the cutter head. The disk motors 205 rotate in the same direction. The sleeve 201 is fixed on the body of the cutter head motor 205 , the inner wall of the sleeve 201 is used to fix the third sensor 103 , and the outer wall of the sleeve 201 is used to fix the second sensor 102 .

在实际应用中,当刀盘202转动时遇到障碍物无法旋转时,而刀盘电机205的转轴还一直在转动,在刀盘电机205的转轴的相对扭转下,设置在刀盘电机的转轴206上的弹簧204的直径会增大,第三传感器103会受到弹簧204的挤压。在本发明实施例中,第三传感器103与处理器100电联接,当第三传感器103受到弹簧204的挤压之后,第三传感器103获取到弹簧204的变形压力,当该变形压力大于设定的压力阈值后,则第三传感器103会将该变形压力转换为第三信号,发送至处理器100。In practical applications, when the cutterhead 202 rotates and encounters an obstacle and cannot rotate, the rotating shaft of the cutterhead motor 205 is still rotating. The diameter of the spring 204 on 206 will increase, and the third sensor 103 will be pressed by the spring 204 . In the embodiment of the present invention, the third sensor 103 is electrically connected to the processor 100. When the third sensor 103 is squeezed by the spring 204, the third sensor 103 acquires the deformation pressure of the spring 204. When the deformation pressure is greater than the set After the pressure threshold is reached, the third sensor 103 will convert the deformation pressure into a third signal and send it to the processor 100 .

需要说明的是,在本发明实施例中,对压力阈值的具有数据范围不做限定。It should be noted that, in the embodiment of the present invention, the data range of the pressure threshold is not limited.

当处理器100接收到第三信号之后,处理器100会向控制器104发送控制信号,控制器104向与刀盘电机205连接的电机PWM调速器发送设定的脉冲信号,刀盘电机205根据脉冲信号,调节刀盘202的转速,在本发明实施例中,控制器104向与刀盘电机205连接的电机PWM调速器发送设定的脉冲信号为停止信号,相应地,刀盘电机205接收到停止信号之后,会停止刀盘电机的转轴206的旋转,同时,刀盘202也停止转动。After the processor 100 receives the third signal, the processor 100 will send a control signal to the controller 104, and the controller 104 will send a set pulse signal to the motor PWM governor connected to the cutter head motor 205, and the cutter head motor 205 will According to the pulse signal, the rotating speed of the cutter head 202 is adjusted. In the embodiment of the present invention, the controller 104 sends the set pulse signal to the motor PWM governor connected with the cutter head motor 205 as a stop signal. Correspondingly, the cutter head motor After 205 receives the stop signal, it will stop the rotation of the rotating shaft 206 of the cutterhead motor, and at the same time, the cutterhead 202 will also stop rotating.

在实际应用中,为了能够让使用者清楚了解到刀盘202转动时遇到障碍物,在割草机上还设置有报警器105,该报警器105与处理器100电联接,当处理器100接收到第三信号之后,会向报警器105发送开启信号,报警器105接收到开启信号之后,开始播放存储在报警器105内的音频信息。In practical applications, in order to allow users to clearly understand that the cutter head 202 encounters obstacles when rotating, an alarm 105 is also provided on the lawn mower, and the alarm 105 is electrically connected to the processor 100. When the processor 100 receives After the third signal, an activation signal will be sent to the alarm device 105, and the alarm device 105 will start to play the audio information stored in the alarm device 105 after receiving the activation signal.

在本发明实施例中,割草机控制系统还可以根据割草机行进速度,调节刀盘转速,具体地,处理器100根据第一信号和第二信号,确定割草机的行进速度和刀盘转速,当处理器100确定割草机的行进速度小于第一阈值时,处理器100通过控制器104向与刀盘电机205连接的电机PWM调速器发送设定的脉冲信号,同时,向报警器105发送开启信号;需要说明的是,这里的设定的脉冲信号为将刀盘电机205的转速调大的脉冲信号。当处理器100确定割草机的行进速度大于第二阈值时,处理器100通过控制器104向与刀盘电机205连接的电机PWM调速器发送设定的脉冲信号同时,向报警器105发送开启信号;需要说明的是,这里的设定的脉冲信号为将刀盘电机205的转速调小的脉冲信号。In the embodiment of the present invention, the lawn mower control system can also adjust the speed of the cutter head according to the speed of the lawn mower. Specifically, the processor 100 determines the speed of the lawn mower and the speed of the blade according to the first signal and the second signal. Disc speed, when the processor 100 determines that the speed of the mower is less than the first threshold, the processor 100 sends a set pulse signal to the motor PWM governor connected to the cutter head motor 205 through the controller 104, and at the same time, sends The alarm 105 sends a start signal; it should be noted that the set pulse signal here is a pulse signal that increases the rotation speed of the cutter head motor 205 . When the processor 100 determines that the speed of the lawn mower is greater than the second threshold, the processor 100 sends a set pulse signal to the motor PWM governor connected to the cutter head motor 205 through the controller 104, and at the same time sends a pulse signal to the alarm 105. Turn on the signal; it should be noted that the set pulse signal here is a pulse signal for reducing the rotation speed of the cutter head motor 205 .

需要说明的是,在上述实施例中,第一阈值小于第二阈值,同时,本发明实施例中,对第一阈值和第二阈值的具体范围不做限定。It should be noted that, in the foregoing embodiments, the first threshold is smaller than the second threshold. Meanwhile, in the embodiment of the present invention, specific ranges of the first threshold and the second threshold are not limited.

在本发明实施例中,第一传感器101可以是轮速传感器,第二传感器102可以是刀盘转速传感器,第三传感器103可以是贴片式压力传感器,处理器100可以是AT89S52单片机,控制器104可以是数字电位器X9C103。在本发明实施例中,对上述第一传感器101,第二传感器102,第三传感器103,处理器100和控制器104的具体结构、类型不做限定。In the embodiment of the present invention, the first sensor 101 can be a wheel speed sensor, the second sensor 102 can be a cutter head speed sensor, the third sensor 103 can be a patch pressure sensor, the processor 100 can be an AT89S52 microcontroller, and the controller 104 may be a digital potentiometer X9C103. In the embodiment of the present invention, the specific structures and types of the first sensor 101 , the second sensor 102 , the third sensor 103 , the processor 100 and the controller 104 are not limited.

综上所述,本发明实施例提供了一种手推式电动割草机控制系统,可以使得手推式电动割草机在工作时,能够自动调节割草机行进速度和刀盘转速,进一步地,通过第三传感器的设置,可以避免障碍物阻挡割草机行进,而刀盘在割草机停止行进时转速不变,造成刀盘电机烧坏和刀盘崩刀的问题。In summary, the embodiment of the present invention provides a control system for a hand-push electric lawn mower, which can automatically adjust the speed of the lawn mower and the rotation speed of the cutter head when the hand-push electric lawn mower is working, further Specifically, through the setting of the third sensor, obstacles can be prevented from blocking the mower, and the speed of the cutter head will not change when the lawn mower stops moving, causing the problems of burning out the motor of the cutter head and chipping of the cutter head.

本领域内的技术人员应明白,本发明的实施例可提供为方法、系统、或计算机程序产品。因此,本发明可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且,本发明可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。Those skilled in the art should understand that the embodiments of the present invention may be provided as methods, systems, or computer program products. Accordingly, the present invention can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.

本发明是参照根据本发明实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器,使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It should be understood that each procedure and/or block in the flowchart and/or block diagram, and a combination of procedures and/or blocks in the flowchart and/or block diagram can be realized by computer program instructions. These computer program instructions may be provided to a general purpose computer, special purpose computer, embedded processor, or processor of other programmable data processing equipment to produce a machine such that the instructions executed by the processor of the computer or other programmable data processing equipment produce a An apparatus for realizing the functions specified in one or more procedures of the flowchart and/or one or more blocks of the block diagram.

这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中,使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品,该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to operate in a specific manner, such that the instructions stored in the computer-readable memory produce an article of manufacture comprising instruction means, the instructions The device realizes the function specified in one or more procedures of the flowchart and/or one or more blocks of the block diagram.

这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上,使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理,从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。These computer program instructions can also be loaded onto a computer or other programmable data processing device, causing a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process, thereby The instructions provide steps for implementing the functions specified in the flow chart or blocks of the flowchart and/or the block or blocks of the block diagrams.

尽管已描述了本发明的优选实施例,但本领域内的技术人员一旦得知了基本创造性概念,则可对这些实施例作出另外的变更和修改。所以,所附权利要求意欲解释为包括优选实施例以及落入本发明范围的所有变更和修改。While preferred embodiments of the invention have been described, additional changes and modifications to these embodiments can be made by those skilled in the art once the basic inventive concept is appreciated. Therefore, it is intended that the appended claims be construed to cover the preferred embodiment as well as all changes and modifications which fall within the scope of the invention.

显然,本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和范围。这样,倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内,则本发明也意图包含这些改动和变型在内。Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and equivalent technologies thereof, the present invention also intends to include these modifications and variations.

Claims (4)

Translated fromChinese
1.一种手推式电动割草机控制系统,其特征在于,包括:处理器(100),第一传感器(101),第二传感器(102),第三传感器(103)和控制器(104);1. A hand-push electric mower control system is characterized in that, comprising: processor (100), first sensor (101), second sensor (102), third sensor (103) and controller ( 104);所述第一传感器(101),所述第二传感器(102),所述第三传感器(103)和所述控制器(104)分别与所述处理器(100)电联接;The first sensor (101), the second sensor (102), the third sensor (103) and the controller (104) are respectively electrically coupled with the processor (100);所述第一传感器(101)设置在割草机车轮上,用于根据固定在所述车轮上的第一磁铁确定割草机行进速度,并将获取到的所述行进速度转换为第一信号发送至所述处理器(100);The first sensor (101) is arranged on the wheel of the mower, and is used to determine the speed of the mower according to the first magnet fixed on the wheel, and convert the obtained speed into a first signal sent to said processor (100);所述第二传感器(102)设置在套筒(201)外侧,用于根据固定在割草机刀盘(202)上的第二磁铁(203)确定刀盘转速,并将获取到的所述刀盘转速转换为第二信号发送至所述处理器(100);The second sensor (102) is arranged on the outside of the sleeve (201), and is used to determine the rotational speed of the cutterhead according to the second magnet (203) fixed on the cutterhead (202) of the lawn mower, and obtain the obtained The rotational speed of the cutter head is converted into a second signal and sent to the processor (100);所述第三传感器(103)设置在所述套筒(201)内侧,用于获取设置在所述套筒(201)内的弹簧(204)的变形压力,当获取到的所述变形压力超过设定压力阈值,将所述变形压力转换为第三信号发送至所述处理器(100);The third sensor (103) is arranged inside the sleeve (201), and is used to acquire the deformation pressure of the spring (204) arranged in the sleeve (201), when the obtained deformation pressure exceeds Setting a pressure threshold, converting the deformation pressure into a third signal and sending it to the processor (100);所述处理器(100)根据所述第三信号,通过所述控制器(104)向割草机刀盘电机(205)发送脉冲宽度,以使刀盘电机的转轴(206)停止转动,所述刀盘电机(205)用于控制所述刀盘(202)的转速;According to the third signal, the processor (100) sends a pulse width to the cutter head motor (205) of the mower through the controller (104), so that the rotating shaft (206) of the cutter head motor stops rotating, so The cutterhead motor (205) is used to control the rotating speed of the cutterhead (202);所述处理器(100)根据所述第一信号和所述第二信号,确定所述割草机的行进速度和所述刀盘转速,通过所述控制器(104)和所述割草机刀盘电机(205),调节所述刀盘转速。The processor (100) determines the travel speed of the lawn mower and the rotation speed of the cutter head according to the first signal and the second signal, and the controller (104) and the lawn mower The cutterhead motor (205) adjusts the rotating speed of the cutterhead.2.如权利要求1所述的控制系统,其特征在于,所述第一传感器(101)为轮速传感器,所述第二传感器(102)为刀盘转速传感器,所述第三传感器(103)为贴片式压力传感器。2. The control system according to claim 1, characterized in that, the first sensor (101) is a wheel speed sensor, the second sensor (102) is a cutter head speed sensor, and the third sensor (103 ) is a patch pressure sensor.3.如权利要求1所述的控制系统,其特征在于,还包括与所述处理器(100)电连接的报警器(105);3. The control system according to claim 1, further comprising an alarm (105) electrically connected to the processor (100);所述处理器(100)根据所述第一信号和所述第二信号,确定所述割草机的行进速度和所述刀盘转速,通过所述控制器(104)和所述割草机刀盘电机(205),调节所述刀盘转速包括:The processor (100) determines the travel speed of the lawn mower and the rotation speed of the cutter head according to the first signal and the second signal, and the controller (104) and the lawn mower Cutterhead motor (205), adjusting the cutterhead speed includes:当所述处理器(100)确定所述割草机的行进速度小于第一阈值时,所述处理器(100)通过所述控制器(104)将所述刀盘电机(205)转速调小,并向所述报警器发送开启信号;或者When the processor (100) determines that the speed of the mower is less than the first threshold, the processor (100) adjusts the speed of the cutter head motor (205) to a smaller value through the controller (104) , and send an opening signal to the alarm; or当所述处理器(100)确定所述割草机的行进速度大于第二阈值时,所述处理器(100)通过所述控制器(104)将所述刀盘电机(205)转速调大,并向所述报警器发送开启信号。When the processor (100) determines that the speed of the mower is greater than the second threshold, the processor (100) increases the rotation speed of the cutter head motor (205) through the controller (104) , and send a start signal to the alarm.4.如权利要求1所述的控制系统,其特征在于,所述弹簧(204)为变径弹簧(204),当所述刀盘(202)遇到障碍物无法旋转时,在所述刀盘电机(205)转轴的相对扭转下,所述变径弹簧(204)直径变大,挤压所述第三传感器(103)。4. The control system according to claim 1, characterized in that, the spring (204) is a variable diameter spring (204), when the cutter head (202) encounters an obstacle and cannot rotate, the Under the relative torsion of the rotating shaft of the disk motor (205), the diameter of the variable diameter spring (204) becomes larger and presses the third sensor (103).
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