CN208477378U - A kind of lithium electricity lawn machine multifunctional control device - Google Patents
A kind of lithium electricity lawn machine multifunctional control device Download PDFInfo
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- CN208477378U CN208477378U CN201821250078.9U CN201821250078U CN208477378U CN 208477378 U CN208477378 U CN 208477378U CN 201821250078 U CN201821250078 U CN 201821250078U CN 208477378 U CN208477378 U CN 208477378U
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Abstract
The utility model discloses a kind of lithium electricity lawn machine multifunctional control devices, comprising: multifunctional panel unit (1), grass trimmer control unit (2), automatically walk control unit (3), double-contracting power supply unit (4).The utility model is comprehensive to use automated control technology, electric motor protecting technology; the comprehensively control for realizing to lithium electricity lawn machine weeding and walking certainly; it to grass trimmer main motor and walks the short-circuit protection of motor certainly and current limit is protected; solves the problems such as existing equipment control system is complicated, volume is big, at high cost; and double-contracting power supply, grass trimmer control, grass trimmer can be applied in combination from the units such as walking, further improve lithium electricity lawn machine automation control and application level.
Description
Technical field
The utility model belongs to technical field of automatic control, in particular to a kind of lithium electricity lawn machine multi-functional control dress
It sets.
Background technique
In recent years, lithium electricity lawn machine development and evolution went out multiple functions and configuration, while because the market demand is different and its client
Selection is different, varied to the functional requirement of lithium electricity lawn machine.There is a battery pack to provide driving energy for power for some,
Some have the automatic walking function of electric drive simultaneously, and battery pack that there are two some tools provides driving energy for power, some have
The automatic walking function of double cell packet electric drive.Therefore, lithium electricity lawn machine function control device becomes increasingly complex, and control module is general
Property it is not strong, control setting device is many and diverse, control effect is bad, process costs are high the problems such as gradually show.
Utility model content
The utility model provides a kind of lithium electricity lawn machine multifunctional control device, realizes to lithium electricity lawn machine weeding and walks certainly
Comprehensively control, and motor can be walked to main motor and certainly and protected, solve existing equipment control system is complicated, volume is big,
The problems such as at high cost, further increases lithium electricity lawn machine automation control and application level.
The technical solution of the utility model is: a kind of lithium electricity lawn machine multifunctional control device, comprising: multifunctional panel list
Member, grass trimmer control unit, automatically walk control unit, double-contracting power supply unit:
The multifunctional panel unit includes power supply trigger module, walks speed adjusting module, electricity quantity display module, speed certainly and show
Module, for double-contracting power supply unit described in real-time display storage electricity, trigger and control in a manner of ship type key keying described in cut
The power supply state of careless machine control unit, controlled in a manner of accelerator key and deceleration key the automatically walk control unit from walking speed
Degree；
The grass trimmer control unit include microcontroller MCU module, brushless motor driver module, main motor start and stop module,
Current signal processing module, energy supply control module, for monitoring grass trimmer main motor state, driving and control mowing owner electricity
Machine, the grass trimmer for handling the automatically walk control unit transmission walk the current state signal of motor certainly；
The automatically walk control unit includes walking motor start and stop module certainly, walking motor drive module certainly, is electromechanical from the leakage of electricity
Sampling module is flowed, is controlled for realizing to grass trimmer from the start and stop and positive and negative rotation for walking motor, and by the grass trimmer of acquisition from the leakage of electricity
Machine bus current signal is sent to the grass trimmer control unit, receive grass trimmer control unit transmission short-circuit protection,
Current limit instruction；
The double-contracting power supply unit include double-contracting battery compartment module, double-contracting voltage sampling module, double-contracting battery switching module,
Double-contracting battery communicates switching module, for being the multifunctional panel unit, the grass trimmer control unit, the automatically walk
Control unit provides working power；
The power supply trigger module is used to user transferring to institute in the form of level to the power supply start stop signal of grass trimmer
Energy supply control module is stated, realization opens or closes the double-contracting power supply unit supplying power for outside；
Certainly the speed adjusting module of walking sends the micro-control to for user to be pressed to the control information of accelerator key or deceleration key
MCU module processed, when user presses accelerator key, the microcontroller MCU module exports the 16K Carrier-based PWM of high duty ratio to described
From walking motor drive module；When user presses deceleration key, the 16K carrier wave of the microcontroller MCU module output low duty ratio
PWM walks motor drive module to described certainly；
The electricity quantity display module is used to receive the double-contracting power supply list of the port the AD transmission of the microcontroller MCU module
The information about power of two battery packs in member, and by two battery packs in the double-contracting power supply unit in the form of two groups of LED light
Electricity is shown respectively；
The speed display module is used to show the user of the microcontroller MCU module transmission in the multifunctional panel list
The speed stage information formed after accelerator key or deceleration key is operated in member；
The microcontroller MCU module receives the power supply start stop signal that the power supply trigger module is sent, described to walk speed regulation certainly
The acceleration signals or reduce-speed sign that module is sent, the main motor start stop signal that the main motor start and stop module is sent, the electric current
The grass trimmer main motor bus current signal that signal processing module is sent, the grass trimmer for walking the transmission of motor start and stop module certainly is certainly
Motor start stop signal is walked, it is described to walk motor bus current signal certainly from the grass trimmer for walking the transmission of current of electric sampling module, it is described
Two battery pack voltage signals that voltage sampling module is sent, send the double-contracting power supply unit to the electricity quantity display module
Two battery pack information about power send grass trimmer from velocity information is walked to the speed display module, control the brushless motor
Drive module provides driving for grass trimmer main motor, controls the energy supply control module and opens or closes the double-contracting power supply unit
Power supply, control is described from motor drive module driving grass trimmer is walked from motor is walked, and controls the double-contracting battery switching module and exists
Switch between two battery packs, controls the communication ID that the double-contracting battery communication switching module switches two battery packs；
The brushless motor driver module receives the start and stop instruction of the main motor start and stop module, receives the microcontroller
MCU module exports the PWM waveform of tens K carrier duty cycles, and three groups of bridges up and down are driven by the driving chip IR being internally integrated
Formula power MOS pipe runs grass trimmer main motor；
The main motor start and stop module includes a triggering mode switch, an action mode switch, when triggering mode is opened
It closes and is often switched again by action mode within 3 seconds after unclamping, normal enabling signal can be passed to the microcontroller MCU module；Pine
After starting operation mode switch, grass trimmer main motor can receive stopping signal；
The current signal processing module receives the current signal on grass trimmer main motor bus, by passing through after resistance sampling
Cross the AD pin that operation amplifier arrives the microcontroller MCU module again；When grass trimmer main motor short-circuit protection, after current sampling
Voltage and preset current threshold pass through comparator, when the short circuit current of grass trimmer main motor is greater than threshold current, than
Compared with the hardware brake pin of device output high level to the microcontroller MCU module；It is described micro- when grass trimmer main motor trigger protection
The PWM wave of control MCU module forbids exporting immediately, realizes fast hardware protection；
It is described from motor start and stop module is walked for controlling grass trimmer from walking the start and stop of motor, to the microcontroller when shutdown
MCU module sends high level, and triggering sends low level to the microcontroller MCU module from when walking；It is described to walk motor start and stop mould certainly
Block is sent from walking motor start stop signal to described from walking motor drive module；
It is described from walk motor drive module receive it is described from walk motor start and stop module walk start stop signal certainly after, driving is mowed
Machine is walked motor certainly and is started or stoped；
It is described from walk current of electric sampling module receive grass trimmer from the current signal walked on motor bus, taken by resistance
By operation amplifier again on the AD pin of the microcontroller MCU module after sample；
The double-contracting battery compartment module passes through a switch for placing two battery packs, the cathode voltage of two battery packs
When disconnecting switch, two battery packs and the multifunctional panel unit are disconnected for connection；
The double-contracting voltage sampling module is by the voltage of two battery packs by being transmitted to the microcontroller again after decompression
On the AD pin of MCU module, the voltage of two battery packs is monitored in real time；The double-contracting voltage sampling module is by two
Battery pack voltage data passes to the port AD of the microcontroller MCU module；
After the double-contracting battery switching module receives the switching signal of the microcontroller MCU module, output high level control
Relay is switched to another battery pack by a battery pack；
After the double-contracting battery communication switching module is for two battery pack switchings, simultaneously by the communication id of two battery packs
It switches over.
The utility model is comprehensive to use automated control technology, electric motor protecting technology, realizes to lithium electricity lawn machine weeding
Certainly the comprehensively control walked to grass trimmer main motor and walks the short-circuit protection of motor certainly and current limit is protected, solves existing
The problems such as apparatus control system is complicated, volume is big, at high cost, and double-contracting power supply, grass trimmer control, grass trimmer can be walked certainly
Equal units are applied in combination, and further improve lithium electricity lawn machine automation control and application level.
Detailed description of the invention
Fig. 1 is the utility model composition block diagram；
Fig. 2 is the utility model multifunctional panel unit composition block diagram；
Fig. 3 is the utility model grass trimmer control unit composition block diagram；
Fig. 4 is the utility model automatically walk control unit composition block diagram；
Fig. 5 is the utility model double-contracting power supply unit composition block diagram.
Specific embodiment
Embodiment 1: referring to Fig. 1 to Fig. 5, a kind of lithium electricity lawn machine multifunctional control device, comprising: multifunctional panel unit
1, grass trimmer control unit 2, automatically walk control unit 3, double-contracting power supply unit 4:
The multifunctional panel unit 1 include power supply trigger module 11, walk certainly speed adjusting module 12, electricity quantity display module 13,
Speed display module 14, for double-contracting power supply unit 4 described in real-time display storage electricity, triggered in a manner of ship type key keying and
It is single to control the automatically walk control in a manner of accelerator key and deceleration key for the power supply state for controlling the grass trimmer control unit 2
Member 3 walks speed certainly；
The grass trimmer control unit 2 includes microcontroller MCU module 21, brushless motor driver module 22, main motor start and stop
Module 23, current signal processing module 24, energy supply control module 25, for monitoring grass trimmer main motor state, driving and control
Grass trimmer main motor handles the current state signal that the grass trimmer that the automatically walk control unit 3 transmits walks motor certainly；
The automatically walk control unit 3 includes from walking motor start and stop module 31, walk motor drive module 32 certainly, from the leakage of electricity
Machine current sampling module 33 controls for realizing to grass trimmer from the start and stop and positive and negative rotation for walking motor, and by the grass trimmer of acquisition
It is sent to the grass trimmer control unit 2 from motor bus current signal is walked, receives the short of the transmission of grass trimmer control unit 2
Road protection, current limit instruction；
The double-contracting power supply unit 4 includes double-contracting battery compartment module 41, double-contracting voltage sampling module 42, the switching of double-contracting battery
Module 43, double-contracting battery communicate switching module 44, for for the multifunctional panel unit 1, the grass trimmer control unit 2,
The automatically walk control unit 3 provides working power；
The power supply trigger module 11 is used to the power supply start stop signal of grass trimmer transfer to user in the form of level
The energy supply control module 25, realization open or close 4 supplying power for outside of double-contracting power supply unit；
Certainly the speed adjusting module 12 of walking is sent to described micro- for user to be pressed to the control information of accelerator key or deceleration key
MCU module 21 is controlled, when user presses accelerator key, the microcontroller MCU module 21 exports the 16K Carrier-based PWM of high duty ratio
Motor drive module 32 is walked certainly to described；When user presses deceleration key, the microcontroller MCU module 21 exports low duty ratio
16K Carrier-based PWM walks motor drive module 32 to described certainly；
The electricity quantity display module 13 is used to receive the double-contracting electricity of the port the AD transmission of the microcontroller MCU module 21
The information about power of two battery packs in source unit 4, and by two electricity in the double-contracting power supply unit 4 in the form of two groups of LED light
The electricity of Chi Bao is shown respectively；
The speed display module 14 is used to show the user of the transmission of microcontroller MCU module 21 in the multi-functional face
The speed stage information formed after accelerator key or deceleration key is operated on plate unit 1；
The microcontroller MCU module 21 receives the power supply start stop signal that the power supply trigger module 11 is sent, described to walk certainly
The acceleration signals or reduce-speed sign that speed adjusting module 12 is sent, the main motor start stop signal that the main motor start and stop module 23 is sent,
The grass trimmer main motor bus current signal that the current signal processing module 24 is sent, it is described to walk motor start and stop module 31 certainly
For the grass trimmer of transmission from motor start stop signal is walked, the grass trimmer for walking the transmission of current of electric sampling module 33 certainly is female from motor is walked
Line current signal, two battery pack voltage signals that the voltage sampling module 42 is sent are sent out to the electricity quantity display module 13
Two battery pack information about power for sending the double-contracting power supply unit 4 send grass trimmer from walking speed to the speed display module 14
Information is spent, the brushless motor driver module 22 is controlled as grass trimmer main motor and driving is provided, control the energy supply control module
25 open or close the power supply of the double-contracting power supply unit 4, and the control motor drive module 32 of walking certainly drives grass trimmer to walk certainly
Motor controls the double-contracting battery switching module 43 and switches between two battery packs, controls the double-contracting battery communication switching
Module 44 switches the communication ID of two battery packs；
The brushless motor driver module 22 receives the start and stop instruction of the main motor start and stop module 23, receives the micro-control
MCU module 21 processed exports the PWM waveform of tens K carrier duty cycles, and upper and lower three are driven by the driving chip IR being internally integrated
Group bridge power metal-oxide-semiconductor runs grass trimmer main motor；
The main motor start and stop module 23 includes a triggering mode switch, an action mode switch, when triggering mode
Switch is often switched by action mode within 3 seconds again after unclamping, and normal enabling signal can be passed to the microcontroller MCU module
21；After unclamping action mode switch, grass trimmer main motor can receive stopping signal；
The current signal processing module 24 receives the current signal on grass trimmer main motor bus, after resistance sampling
Arrive the AD pin of the microcontroller MCU module 21 again by operation amplifier；When grass trimmer main motor short-circuit protection, by current sampling
Voltage and preset current threshold afterwards passes through comparator, when the short circuit current of grass trimmer main motor is greater than threshold current
When, comparator exports high level to the hardware brake pin of the microcontroller MCU module 21；Grass trimmer main motor trigger protection
When, the PWM wave of the microcontroller MCU module 21 forbids exporting immediately, realizes fast hardware protection；
It is described from motor start and stop module 31 is walked for controlling grass trimmer from walking the start and stop of motor, to the microcontroller when shutdown
MCU module 21 sends high level, and triggering sends low level to the microcontroller MCU module 21 from when walking；It is described to open from walking motor
Stop module 31 to send from walking motor start stop signal to described from walking motor drive module 32；
It is described from walk motor drive module 32 receive it is described from walk motor start and stop module 31 walk start stop signal certainly after, driving
Grass trimmer is walked motor certainly and is started or stoped；
It is described from walk current of electric sampling module 33 receive grass trimmer from the current signal walked on motor bus, pass through resistance
By operation amplifier again on the AD pin of the microcontroller MCU module 21 after sampling；
The double-contracting battery compartment module 41 is opened for placing two battery packs, the cathode voltage of two battery packs by one
Connection connects, and when disconnecting switch, two battery packs and the multifunctional panel unit 1 are disconnected；
The double-contracting voltage sampling module 42 is by the voltage of two battery packs by being transmitted to the micro-control again after decompression
On the AD pin of MCU module 21 processed, the voltage of two battery packs is monitored in real time；The double-contracting voltage sampling module 42
Two battery pack voltage datas are passed to the port AD of the microcontroller MCU module 21；
After the double-contracting battery switching module 43 receives the switching signal of the microcontroller MCU module 21, high level is exported
It controls relay and another battery pack is switched to by a battery pack；
It is after the double-contracting battery communication switching module 44 is for two battery pack switchings, the communication id of two battery packs is same
When switch over.
Claims (1)
1. a kind of lithium electricity lawn machine multifunctional control device, feature exist, comprising: multifunctional panel unit (1), grass trimmer control
Unit (2), automatically walk control unit (3), double-contracting power supply unit (4):
The multifunctional panel unit (1) includes power supply trigger module (11), walks speed adjusting module (12), electricity quantity display module certainly
(13), speed display module (14), for the electricity of the storage of double-contracting power supply unit (4) described in real-time display, with ship type key keying
Mode triggers and controls the power supply state of the grass trimmer control unit (2), controlled in a manner of accelerator key and deceleration key it is described from
Dynamic travelling control unit (3) walk speed certainly；
The grass trimmer control unit (2) includes that microcontroller MCU module (21), brushless motor driver module (22), main motor open
Stop module (23), current signal processing module (24), energy supply control module (25), for monitoring grass trimmer main motor state, drives
Dynamic and control grass trimmer main motor, the grass trimmer for handling automatically walk control unit (3) transmission walk the electric current shape of motor certainly
State signal；
The automatically walk control unit (3) includes walking motor start and stop module (31) certainly, walking motor drive module (32) certainly, walk certainly
Current of electric sampling module (33) controls for realizing to grass trimmer from the start and stop and positive and negative rotation for walking motor, and cutting acquisition
Certainly walk motor bus current signal is sent to the grass trimmer control unit (2) to careless machine, receives the grass trimmer control unit (2)
The short-circuit protection of transmission, current limit instruction；
The double-contracting power supply unit (4) includes that double-contracting battery compartment module (41), double-contracting voltage sampling module (42), double-contracting battery are cut
Block (43), double-contracting battery communication switching module (44) are changed the mold, for being the multifunctional panel unit (1), the grass trimmer control
Unit (2) processed, the automatically walk control unit (3) provide working power；
The power supply trigger module (11) is used to user transferring to institute in the form of level to the power supply start stop signal of grass trimmer
It states energy supply control module (25), realization opens or closes double-contracting power supply unit (4) supplying power for outside；
Described walk certainly speed adjusting module (12) send the micro-control to for user to be pressed to the control information of accelerator key or deceleration key
MCU module (21) processed, when user presses accelerator key, the 16K carrier wave of microcontroller MCU module (21) the output high duty ratio
PWM walks motor drive module (32) certainly to described；When user presses deceleration key, microcontroller MCU module (21) output is low
The 16K Carrier-based PWM of duty ratio walks motor drive module (32) certainly to described；
The electricity quantity display module (13) is used to receive the double-contracting electricity of the port the AD transmission of the microcontroller MCU module (21)
The information about power of two battery packs in source unit (4), and will be two in the double-contracting power supply unit (4) in the form of two groups of LED light
The electricity of a battery pack is shown respectively；
The speed display module (14) is used to show the user of microcontroller MCU module (21) transmission in the multi-functional face
The speed stage information formed after accelerator key or deceleration key is operated on plate unit (1)；
The microcontroller MCU module (21) receives the power supply start stop signal that the power supply trigger module (11) sends, described to walk certainly
The acceleration signals or reduce-speed sign that speed adjusting module (12) is sent, the main motor start and stop letter that the main motor start and stop module (23) sends
Number, the grass trimmer main motor bus current signal that the current signal processing module (24) sends is described to walk motor start and stop mould certainly
The grass trimmer that block (31) is sent is from motor start stop signal is walked, and the grass trimmer for walking current of electric sampling module (33) transmission certainly is certainly
Motor bus current signal is walked, two battery pack voltage signals that the voltage sampling module (42) sends are aobvious to the electricity
Show that module (13) send two battery pack information about power of the double-contracting power supply unit (4), to the speed display module (14)
Grass trimmer is sent from velocity information is walked, the brushless motor driver module (22) is controlled as grass trimmer main motor and driving is provided, is controlled
The power supply that the energy supply control module (25) opens or closes the double-contracting power supply unit (4) is made, control is described to walk motor drive certainly
Dynamic model block (32) driving grass trimmer controls the double-contracting battery switching module (43) and cuts between two battery packs from motor is walked
It changes, controls the communication ID that double-contracting battery communication switching module (44) switches two battery packs；
The brushless motor driver module (22) receives the start and stop instruction of the main motor start and stop module (23), receives the micro-control
MCU module (21) processed exports the PWM waveform of tens K carrier duty cycles, is driven by the driving chip IR being internally integrated up and down
Three groups of bridge power metal-oxide-semiconductors run grass trimmer main motor；
The main motor start and stop module (23) includes a triggering mode switch, an action mode switch, when triggering mode is opened
It closes and is often switched again by action mode within 3 seconds after unclamping, normal enabling signal can be passed to the microcontroller MCU module
(21)；After unclamping action mode switch, grass trimmer main motor can receive stopping signal；
The current signal processing module (24) receives the current signal on grass trimmer main motor bus, by passing through after resistance sampling
Cross the AD pin that operation amplifier arrives the microcontroller MCU module (21) again；When grass trimmer main motor short-circuit protection, by current sampling
Voltage and preset current threshold afterwards passes through comparator, when the short circuit current of grass trimmer main motor is greater than threshold current
When, comparator exports high level to the hardware brake pin of the microcontroller MCU module (21)；Grass trimmer main motor trigger protection
When, the PWM wave of the microcontroller MCU module (21) forbids exporting immediately, realizes fast hardware protection；
It is described from motor start and stop module (31) is walked for controlling grass trimmer from walking the start and stop of motor, to the microcontroller when shutdown
MCU module (21) sends high level, and triggering sends low level to the microcontroller MCU module (21) from when walking；It is described from the leakage of electricity
Machine start and stop module (31) is sent from walking motor start stop signal to described from walking motor drive module (32)；
It is described from walk motor drive module (32) receive it is described from walk motor start and stop module (31) walk start stop signal certainly after, driving
Grass trimmer is walked motor certainly and is started or stoped；
It is described from walk current of electric sampling module (33) receive grass trimmer from the current signal walked on motor bus, taken by resistance
It is arrived again after sample by operation amplifier on the AD pin of the microcontroller MCU module (21)；
The double-contracting battery compartment module (41) passes through a switch for placing two battery packs, the cathode voltage of two battery packs
When disconnecting switch, two battery packs and the multifunctional panel unit (1) are disconnected for connection；
The double-contracting voltage sampling module (42) is by the voltage of two battery packs by being transmitted to the microcontroller again after decompression
On the AD pin of MCU module (21), the voltage of two battery packs is monitored in real time；The double-contracting voltage sampling module (42)
Two battery pack voltage datas are passed to the port AD of the microcontroller MCU module (21)；
After the double-contracting battery switching module (43) receives the switching signal of the microcontroller MCU module (21), high level is exported
It controls relay and another battery pack is switched to by a battery pack；
After double-contracting battery communication switching module (44) is for two battery pack switchings, simultaneously by the communication id of two battery packs
It switches over.
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| CN201821250078.9U CN208477378U (en) | 2018-08-04 | 2018-08-04 | A kind of lithium electricity lawn machine multifunctional control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108646767A (en) * | 2018-08-04 | 2018-10-12 | 浙江中马园林机器股份有限公司 | A kind of lithium electricity lawn machine multifunctional control device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108646767A (en) * | 2018-08-04 | 2018-10-12 | 浙江中马园林机器股份有限公司 | A kind of lithium electricity lawn machine multifunctional control device |
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