CN108646767A - 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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- CN108646767A CN108646767A CN201810881060.7A CN201810881060A CN108646767A CN 108646767 A CN108646767 A CN 108646767A CN 201810881060 A CN201810881060 A CN 201810881060A CN 108646767 A CN108646767 A CN 108646767A
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- 230000005611 electricity Effects 0.000 title claims abstract description 42
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 17
- 244000025254 Cannabis sativa Species 0.000 claims abstract description 84
- 238000005070 sampling Methods 0.000 claims description 28
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 10
- 230000001133 acceleration Effects 0.000 claims description 3
- 230000006837 decompression Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 241001269238 Data Species 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000009333 weeding Methods 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000003786 synthesis reaction Methods 0.000 abstract description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0212—Control of position or course in two dimensions specially adapted to land vehicles with means for defining a desired trajectory
- G05D1/0223—Control of position or course in two dimensions specially adapted to land vehicles with means for defining a desired trajectory involving speed control of the vehicle
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0276—Control of position or course in two dimensions specially adapted to land vehicles using signals provided by a source external to the vehicle
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- Automation & Control Theory (AREA)
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Abstract
The invention discloses a kind of lithium electricity lawn machine multifunctional control devices, including：Multifunctional panel unit (1), grass trimmer control unit (2), automatically walk control unit (3), double-contracting power supply unit (4).Present invention synthesis is using automated control technology, electric motor protecting technology; realize the Comprehensive Control to lithium the weeding of electricity lawn machine and walking certainly; walk to grass trimmer main motor and certainly short-circuit protection and the current limit protection of motor; solves the problems such as existing equipment control system is complicated, volume is big, of 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 invention belongs to technical field of automatic control, more particularly to a kind of lithium electricity lawn machine multifunctional control device.
Background technology
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.Some tools provide driving energy there are one battery pack for power,
Some have the automatic walking function of electric drive simultaneously, some tools provide driving energy there are two battery pack 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 complicated, control effect is bad, process costs are high the problems such as gradually show.
Invention content
The present invention provides a kind of lithium electricity lawn machine multifunctional control device, realizes to lithium electricity lawn machine weeding and walks certainly comprehensive
Control is closed, and motor can be walked to main motor and certainly and protected, solution existing equipment control system is complicated, volume is big, cost
The problems such as high, further increases lithium electricity lawn machine automation control and application level.
The technical scheme is that：A kind of lithium electricity lawn machine multifunctional control device, including：Multifunctional panel unit,
Grass trimmer control unit, automatically walk control unit, double-contracting power supply unit：
The multifunctional panel unit, which includes power supply trigger module, walks speed adjusting module, electricity quantity display module, speed certainly shows
Module, for the electricity of double-contracting power supply unit storage described in real-time display, 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's 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 from the start and stop and positive and negative rotation for walking motor for realizing to grass trimmer, 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 instructs；
The double-contracting power supply unit include double-contracting battery compartment module, double-contracting voltage sampling module, double-contracting battery handover module,
Double-contracting battery communicates handover 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 is turned on and off the double-contracting power supply unit supplying power for outside；
Certainly the control information for walking speed adjusting module for user to be pressed to accelerator key or deceleration key, sends the micro-control to
MCU module processed, when user presses accelerator key, the microcontroller MCU module exports the 16K Carrier-based PWMs of high duty ratio to described
From walking motor drive module；When user presses deceleration key, the 16K Carrier-based PWMs of the microcontroller MCU module output low duty ratio
Motor drive module is walked to described certainly；
The electricity quantity display module is used to receive the double-contracting power supply list of the ports 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 governing 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, the double-contracting power supply unit is sent 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 is turned on and off 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 handover module and exists
Switch between two battery packs, controls the communication ID that the double-contracting battery communication handover 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 makes grass trimmer main motor run；
The main motor start and stop module includes a triggering mode switch, a pattern switch, when triggering pattern is opened
It closes and is often switched again by pattern 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 busbar, by being passed through after resistance sampling
Cross the AD pins that operation amplifier arrives the microcontroller MCU module again；When grass trimmer main motor short-circuit protection, after current sampling
Voltage passes through comparator with preset current threshold, when the short circuit current of grass trimmer main motor is more 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 from when walking to the microcontroller MCU module；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 busbar, taken by resistance
By operation amplifier again on the AD pins of the microcontroller MCU module after sample；
The double-contracting battery compartment module is switched for placing two battery packs, the cathode voltage of two battery packs by one
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 pins of MCU module, the voltage of two battery packs is monitored in real time；The double-contracting voltage sampling module is by two electricity
Pond packet voltage data passes to the ports AD of the microcontroller MCU module；
After the double-contracting battery handover 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 handover module is for two battery pack switchings, simultaneously by the communication id of two battery packs
It switches over.
Present invention synthesis is realized using automated control technology, electric motor protecting technology to lithium electricity lawn machine weeding and oneself
The Comprehensive Control walked walks to grass trimmer main motor and certainly short-circuit protection and the current limit protection of motor, solves existing equipment
The problems such as control system is complicated, volume is big, of high cost, and can be single from walk etc. by double-contracting power supply, grass trimmer control, grass trimmer
Member is applied in combination, and further improves lithium electricity lawn machine automation control and application level.
Description of the drawings
Fig. 1 is composition frame chart of the present invention；
Fig. 2 is central processing unit composition frame chart of the present invention.
Specific implementation mode
Embodiment 1：Referring to Fig. 1 to Fig. 5, a kind of lithium electricity lawn machine multifunctional control device, including：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 the electricity that double-contracting power supply unit 4 described in real-time display stores, 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 handover 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 are turned on and off 4 supplying power for outside of double-contracting power supply unit；
Certainly the control information for walking speed adjusting module 12 for user to be pressed to accelerator key or deceleration key, sends to described micro-
MCU module 21 is controlled, when user presses accelerator key, the microcontroller MCU module 21 exports the 16K Carrier-based PWMs of high duty ratio
Motor drive module 32 is walked to described certainly；When user presses deceleration key, the microcontroller MCU module 21 exports low duty ratio
16K Carrier-based PWMs walk motor drive module 32 certainly to described；
The electricity quantity display module 13 is used to receive the double-contracting electricity of the ports 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 the hair of motor start and stop module 31 certainly
The grass trimmer sent walks motor busbar certainly from motor start stop signal, the grass trimmer for walking the transmission of current of electric sampling module 33 certainly is walked
Current signal, two battery pack voltage signals that the voltage sampling module 42 is sent are sent to the electricity quantity display module 13
Two battery pack information about power of the double-contracting power supply unit 4 send grass trimmer to the speed display module 14 and walk speed certainly
Information controls the brushless motor driver module 22 and provides driving for grass trimmer main motor, controls the energy supply control module 25
It is turned on and off the power supply of the double-contracting power supply unit 4, control is described from the driving grass trimmer of motor drive module 32 is walked from the leakage of electricity
Machine controls the double-contracting battery handover module 43 and switches between two battery packs, controls the double-contracting battery communication switching mould
Block 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 makes grass trimmer main motor run；
The main motor start and stop module 23 includes a triggering mode switch, a pattern switch, when triggering pattern
Switch is often switched by pattern after unclamping within 3 seconds again, and normal enabling signal can be passed to the microcontroller MCU module
21；After unclamping pattern switch, grass trimmer main motor can receive stopping signal；
The current signal processing module 24 receives the current signal on grass trimmer main motor busbar, after resistance sampling
Arrive the AD pins of the microcontroller MCU module 21 again by operation amplifier；When grass trimmer main motor short-circuit protection, by current sampling
Voltage afterwards passes through comparator with preset current threshold, when the short circuit current of grass trimmer main motor is more 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 from when walking to the microcontroller MCU module 21；It is described to open from walking motor
Stop module 31 to send from walking motor start stop signal from walking motor drive module 32 to described；
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 busbar, pass through resistance
By operation amplifier again on the AD pins 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 pins of MCU module 21 processed, the voltage of two battery packs is monitored in real time；The double-contracting voltage sampling module 42 will
Two battery pack voltage datas pass to the ports AD of the microcontroller MCU module 21；
After the double-contracting battery handover module 43 receives the switching signal of the microcontroller MCU module 21, high level is exported
Control relay is switched to another battery pack by a battery pack；
It is after the double-contracting battery communication handover 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, including：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 double-contracting power supply unit (4) storage 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) walks 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 handover 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
Energy supply control module (25) is stated, realization is turned on and off double-contracting power supply unit (4) supplying power for outside；
Certainly the control information for walking speed adjusting module (12) for user to be pressed to accelerator key or deceleration key, sends the micro-control to
MCU module (21) processed, when user presses accelerator key, the 16K carrier waves 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 PWMs of duty ratio walk motor drive module (32) certainly to described；
The electricity quantity display module (13) is used to receive the double-contracting electricity of the ports 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) sends 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 and provides driving for grass trimmer main motor, is controlled
The power supply that the energy supply control module (25) is turned on and off 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 handover module (43) and is cut between two battery packs from motor is walked
It changes, controls the communication ID that the double-contracting battery communication handover 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 up and down by the driving chip IR being internally integrated
Three groups of bridge power metal-oxide-semiconductors make grass trimmer main motor run；
The main motor start and stop module (23) includes a triggering mode switch, a pattern switch, when triggering pattern is opened
It closes and is often switched again by pattern within 3 seconds after unclamping, normal enabling signal can be passed to the microcontroller MCU module
(21)；After unclamping pattern switch, grass trimmer main motor can receive stopping signal；
The current signal processing module (24) receives the current signal on grass trimmer main motor busbar, by being passed through after resistance sampling
Cross the AD pins that operation amplifier arrives the microcontroller MCU module (21) again；When grass trimmer main motor short-circuit protection, by current sampling
Voltage afterwards passes through comparator with preset current threshold, when the short circuit current of grass trimmer main motor is more 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 from when walking to the microcontroller MCU module (21)；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 busbar, taken by resistance
It is arrived again on the AD pins of the microcontroller MCU module (21) by operation amplifier after sample；
The double-contracting battery compartment module (41) is switched for placing two battery packs, the cathode voltage of two battery packs by one
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 pins 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 ports AD of the microcontroller MCU module (21)；
After the double-contracting battery handover module (43) receives the switching signal of the microcontroller MCU module (21), high level is exported
Control relay is switched to another battery pack by a battery pack；
After the double-contracting battery communication handover module (44) is for two battery pack switchings, simultaneously by the communication id of two battery packs
It switches over.
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| CN201810881060.7A CN108646767A (en) | 2018-08-04 | 2018-08-04 | A kind of lithium electricity lawn machine multifunctional control device |
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