CN206118450U - Weeding safety protection system and electric weeding machine - Google Patents
Weeding safety protection system and electric weeding machine Download PDFInfo
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- CN206118450U CN206118450U CN201621127109.2U CN201621127109U CN206118450U CN 206118450 U CN206118450 U CN 206118450U CN 201621127109 U CN201621127109 U CN 201621127109U CN 206118450 U CN206118450 U CN 206118450U
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- humidity
- circuit
- weeding
- signal
- meadow
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- 238000009333 weeding Methods 0.000 title claims abstract description 52
- 238000001514 detection method Methods 0.000 claims abstract description 40
- 230000004044 response Effects 0.000 claims description 18
- 239000002362 mulch Substances 0.000 claims description 11
- 239000010902 straw Substances 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 7
- 230000033228 biological regulation Effects 0.000 claims description 6
- 241000196324 Embryophyta Species 0.000 abstract 2
- 230000001737 promoting effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model discloses a weeding safety protection system and electric weeding machine, to the meadow unsafe problem of weeding when slipping, provide following technical scheme, including the humidity detection device who is used for detecting meadow humidity, the comparator that has humidity reference signal and be used for promoting people this humidity is unsuitable to the warning device who weeds, the humidity detection device exports the humidity detected signal that corresponds with humidity size according to the humidity condition on meadow, comparator and humidity detection device electric connection and compare humidity detected signal and humidity reference signal's size in order to export comparison signal, warning device and comparator electric connection and respond to comparison signal in order to warn; when the humidity of the grassland is larger than the reference humidity, the warning device starts to warn to prompt people that mowing is not suitable under the humidity condition; further help to avoid the user to weed when the grassland humidity is great because the ground is moist and slippery and the leg and foot are cut by the weeding machine, has strengthened the security of weeding to a certain extent.
Description
Technical field
This utility model is related to weeding machine field, more specifically, it relates to a kind of Weeding safety guard system and electricity
Dynamic weeder.
Background technology
With deepening continuously for urbanization process, people it is also proposed higher requirement to living environment of living, be not only
Indoor environment, outdoor public environment it is also proposed very high requirement, such as green coverage, health-care facilities etc., wherein just green
For change, it is commonly known that lawn needs Jing often to prune, and traditional instrument for cutting the grass on a lawn is weeder, and weeder is general
The drive shaft of rotation is driven including the motor being arranged in housing, by motor, is arranged on the driving shaft and as drive shaft rotates
Cutterhead and the cutting element being fixedly mounted on cutterhead, weeder by the rotational movement cutting element of cutterhead so as to
Carry out weeding work.
Operationally, weeder is often fastened and carrys out weeding in loins by people, the position of cutting is controlled by handle, so
There is many problems, first, workman weeder is fastened in loins, such time length workman is easy to fatigue;Secondth, exist
During weeding, cutting position is grasped completely with workman's experience, the lawn for so cutting out be not just it is very smooth, it is attractive in appearance
Degree is also bad, and What is more also exposes ground;3rd, the baffle plate that blade position is installed is a part, if cutter comes off
Will the people of surrounding be included oneself bringing great danger;4th, weeder is typically all fired by power of gasoline and diesel oil etc.
Material, the energy is not to clean very much, and very big pollution so can be caused to environment.
Therefore, the Chinese patent of Application No. 201510507778.6 discloses a kind of Weeding safety guard system and electronic
Weeder, it includes blade member, gear straw mulch, electrode mounting member, motor, pushing hands component, accumulator, underframe component, roller
Component and bolt, are provided with blade member in gear straw mulch, gear straw mulch circumference is provided with out careless breach;Install gear straw mulch upper end
There is motor, motor mounting part part is installed on the excircle of motor, motor mounting part part is connected with pushing hands component, pushing hands component
Lower end is connected with underframe component, is also equipped with accumulator on pushing hands component;Roll wheel assembly is installed under underframe component;In work
When, user hand push pushing hands component and drives weeder forward, and the dynamic blade member of motor rotational band is rotated and carries out weeding.
Although this weeder can facilitate and efficiently carry out weeding, when the humidity on meadow is larger, ground phase
To meeting become and slide, people push weeder and carry out weeding easily there is the situation that people slips, and this people may occur in the process of falling down
In turned on one's side with weeder together, and the blade member of weeder bottom still rotates, then probably cut on the foot of people to
People brings injury, therefore the weeder has improved space.
Utility model content
In view of the shortcomings of the prior art, main purpose of the present utility model is to provide a kind of Weeding safety protection system
System, has the advantages that to enhance weeding safety.
For achieving the above object, this utility model provides following technical scheme:
A kind of Weeding safety guard system, including for detecting the humidity detector of meadow humidity, with humidity benchmark
The comparison means of signal and for pointing out the people humidity to be not suitable for the device of warning of weeding, the humidity detector according to
The humidity condition on meadow exports Humidity Detection signal corresponding with humidity size, and the comparison means is electrical with humidity detector
The size for connecting and comparing Humidity Detection signal with humidity reference signal is to export comparison signal, described to warn device and compare dress
Put electric connection and in response to comparison signal to be warned;
When meadow humidity is more than reference humidity, the device of warning starts to warn to point out the people humidity condition unsuitable
Mow.
Using above-mentioned technical proposal, humidity detector detects the size of meadow humidity to export and meadow humidity condition pair
The Humidity Detection signal answered, comparison means compare Humidity Detection signal with the size of humidity reference signal to export comparison signal,
When the actual humidity on meadow is more than reference humidity, device of warning is warned in response to comparison signal, and people by alarm are
May know that now meadow is wetter and be not suitable for carrying out weeding, so help avoid user when meadow humidity is larger weeding because of ground
Face moistening slips and is hurt legs and feet by weeder, enables people to safer carry out weeding.
Preferably, the humidity detector is included for detecting the humidity condition on meadow and exporting Humidity Detection signal
Humidity measuring circuit and for the power circuit to Humidity Detection circuit with stable voltage.
Using above-mentioned technical proposal, the humidity on humidity measuring circuit detection meadow simultaneously exports humidity corresponding with humidity size
Detection signal, humidity measuring circuit are, Jin Ers different to the resistance of the different manifestations of humidity size by humidity sensing element
The voltage shared in circuit also difference exporting Humidity Detection signal, so the stability of supply voltage is to humidity measuring circuit
Output signal affect huge, supply voltage shakiness can then cause the voltage detection signal for exporting noise, clutter occur, affect inspection
That what is surveyed is accurate, and mu balanced circuit can will be supplied to sound detection circuit after the voltage stabilization of power supply, it is to avoid supply voltage is unstable
The impact to accuracy of detection is caused, the accuracy of detection is enhanced.
Preferably, the humidity measuring circuit is arranged at gear straw mulch and is located on the outer wall of weeder direction of advance side.
Using above-mentioned technical proposal, the front that straw mulch is located at weeder is kept off, contact meadow when advancing at first, and by humidity
Detection circuit is arranged on the forefront of gear straw mulch, contacts with meadow at first and can detect the most real humidity in meadow, so as to have
After helping avoid meadow from first first contacting with the miscellaneous part of weeder, humidity diminishes affects detection, improves humidity to a certain extent
The accuracy of detection.
Preferably, the comparison means includes the comparator circuit with humidity reference signal and for adjusting humidity base
The regulation circuit of calibration signal size, the comparator circuit compare Humidity Detection signal with the size of humidity reference signal to export
Comparison signal.
Using above-mentioned technical proposal, the size of humidity reference signal is the critical point for judging whether humidity is bigger than normal, works as humidity
When detection signal is more than humidity reference signal, it is judged to that the excessive ground of humidity is relatively slided, is not suitable for carrying out weeding, and comparator circuit
After being electrically connected with regulation circuit, the regulation of humidity reference signal is supported, and then humidity base can be set according to the actual needs
The size of calibration signal, can avoid flase drop that small humidity causes or detection sensitivity not enough, bring facility.
Preferably, the device of warning include with comparison means be electrically connected with warn on-off circuit and with switch of warning
The sound that circuit is electrically connected with is warned circuit, and the on-off circuit of warning is warned electricity with controlling sound in response to comparison signal break-make
Road sounding is warned.
Using above-mentioned technical proposal, on-off circuit of warning is electrically connected with comparison means to receive comparison signal, is warned out
Powered-down road with break-make and carries out sounding, audible alarm by the break-make of itself to control sound circuit of warning in response to comparison signal
Mode, user listens to i.e. can be known without the need for going deliberately, then processed accordingly, bring convenience.
Preferably, the comparison means is also electrically connected with response to comparison signal to cut off the disconnected of electric mower power supply
Electrical protective device.
Using above-mentioned technical proposal, comparison means is electrically connected with power-off protection apparatus, detects in humidity detector
When the humidity on meadow is more than reference humidity, the comparison signal that power-off protection apparatus are exported in response to now comparison means is to cut off electricity
The power supply of dynamic weeder is hurt by weeder such that it is able to be prevented effectively from after people is slided into due to ground so that weeder is out of service
Legs and feet, it is safer.
Preferably, the power-off protection apparatus include the transistor switching circuit being electrically connected with comparison means and with three
The relay switching circuit that pole pipe on-off circuit is electrically connected with, the transistor switching circuit is in response to comparison signal break-make controlling
Relay switching circuit processed cuts off the power supply of electric mower.
Using above-mentioned technical proposal, transistor switching circuit does not have movable contact partly, therefore does not have the worry of abrasion,
Can be fast using the unlimited switch that repeatedly, the speed of action of transistor switching circuit is more general, the opening and closing time of general switch is
Calculated with millisecond, and transistor switching circuit is then with microsecond meter, transistor switching circuit is not quivered phenomenon, using three poles
Pipe on-off circuit in the moment of switch open, does not have spark generation driving during inductive load, safer, and relay
The high current that device on-off circuit can be loaded by the Small current control of transistor switching circuit is operated, due to directly manipulating
Small current rather than high current is directly operated, so it is safer when carrying out connecting and disconnecting of the circuit and controlling.
Preferably, the relay switching circuit be also electrically connected with for point out that the motor of weeder operating
One display part.
Using above-mentioned technical proposal, under the control of relay switching circuit, whether motor is pointed out by the first display part
Normal power supply, so as to be convenient for people to know whether motor runs well.
Preferably, the relay switching circuit is also electrically connected with second display excessive for showing meadow humidity
Portion.
Using above-mentioned technical proposal, the work of the second display part is controlled to show meadow humidity mistake by relay switching circuit
Greatly, and then people can cannot could be aware that whether belong to that humidity is excessive to be removed during normal work in weeder by the second display part
The security protection that careless machine starts, brings conveniently.
In view of the shortcomings of the prior art, secondary objective of the present utility model is to provide a kind of electric mower, tool
Have the advantages that safer using weeding.
A kind of electric mower, including Weeding safety guard system as above.
Using above-mentioned technical proposal, when ground is relatively slided, when the humidity on meadow is more than reference humidity, warn device in response to than
Warned compared with signal, while the power supply of power-off protection apparatus cut-out weeder motor makes people carry out weeding, Jin Eryou
Help avoid user weeding when meadow humidity is larger from being hurt legs and feet by weeder because ground moistening slips, enable people to
Safer carries out weeding, and the first display part and the second display part can coordinate display humidity excessive in addition, be convenient for people to
Know the working condition of weeder.
In sum, this utility model has the advantages that:
1., when the actual humidity on meadow is more than reference humidity, device of warning is warned in response to comparison signal, people
May know that now meadow is wetter by alarm to be not suitable for carrying out weeding, and then it is larger in meadow humidity to help avoid user
When weeding slip and legs and feet hurt by weeder because of ground moistening, enable people to safer carry out weeding;
2. the regulation that circuit supports humidity reference signal is adjusted, and then humidity benchmark letter can be set according to the actual needs
Number size, flase drop that small humidity causes or detection sensitivity can be avoided not enough, facility is brought;
When 3 humidity for detecting meadow in humidity detector are more than reference humidity, power-off protection apparatus are in response to now
The comparison signal of comparison means output, is fundamentally prevented so that weeder is out of service with cutting off the power supply of electric mower
People's weeding in the case of the cunning of meadow high humidity road surface, it is to avoid slide into the generation of incised wound accident, it is safer.
Description of the drawings
Theory diagrams of the Fig. 1 for Weeding safety guard system;
Structural representations of the Fig. 2 for electric mower;
Circuit theory diagrams of the Fig. 3 for humidity detector;
Circuit theory diagrams of the Fig. 4 for comparison means;
Circuit theory diagrams of the Fig. 5 for power-off protection apparatus, the first display part and the second display part;
The circuit theory diagrams of what Fig. 6 was warn device.
In figure:1st, keep off straw mulch;2nd, humidity detector;21st, humidity measuring circuit;22nd, power circuit;3rd, comparison means;
31st, comparator circuit;32nd, adjust circuit;4th, power-off protection apparatus;41st, transistor switching circuit;42nd, relay switching circuit;
5th, warn device;51st, warn on-off circuit;52nd, sound is warned circuit;6th, display device;61st, the first display part;62nd, second shows
Show portion.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment, this utility model is described in detail.
A kind of electric mower, reference Fig. 1, including security protection system, wherein security protection system are included for detecting
The humidity detector 2 of meadow humidity, the comparison means 3 for comparing meadow humidity and reference humidity situation and it is controlled by and compares dress
3 are put to point out people's humidity to be not suitable for the device 5 of warning of weeding, when meadow humidity is more than reference humidity, device 5 of warning starts
Warn to point out to mow under the people humidity condition.
With reference to Fig. 2 and Fig. 3, humidity detector 2 exports corresponding with humidity size wet according to the humidity condition on meadow
Degree detection signal, it include being arranged at gear straw mulch 1 be located at weeder direction of advance side humidity measuring circuit 21 and with
The power circuit 22 that humidity measuring circuit 21 is electrically connected with, humidity measuring circuit 21 are used to detect the humidity condition on meadow and export
Humidity Detection signal, power circuit 22 for providing stable supply voltage to humidity measuring circuit 21, humidity detector 2
Physical circuit is connected as:
Power circuit 22 includes chip IC -1, electric capacity C2, electric capacity C3, and wherein chip IC -1 is LM7809, and the 1 of LM7809 manages
Foot is connected to the power supply of+12V, the 2 pins ground connection of LM7809, while power supply is connected to after 2 pin series capacitances C2 of LM7809,
Series capacitance C3 between 2 pins and 3 pins of LM7809,3 pins of LM7809 are to+9V the power supplys for detecting circuit with stable;
Humidity measuring circuit 21 includes moisture sensor H, electric capacity C4, resistance R7 and the resistance R8 of positive coefficient, this enforcement
In example, humidity sensor H is adopted as HIH4000, and one end of resistance R7 is connected to 3 pins of LM7809, the other end string of resistance R7
Subsequently, resistance R7 is defeated after being sequentially connected in series electric capacity C4 and resistance R8 with one end that moisture sensor H is connected for connection moisture sensor H
Go out Humidity Detection signal.
With reference to Fig. 3 and Fig. 4, comparison means 3 is with humidity reference signal corresponding with the reference value of humidity, so-called humidity
Reference value be the marginal value for judging that humidity is excessive, comparison means 3 includes the comparator electricity being electrically connected with humidity detector 2
Road 31 and the regulation circuit 32 being electrically connected with comparator circuit 31, comparator circuit 31 compare Humidity Detection signal and humidity
The size of reference signal adjusts circuit 32 for providing suitable humidity benchmark letter to comparator circuit 31 to export comparison signal
Number and the size of humidity reference signal can be set as needed, the physical circuit of comparison means 3 is connected as:
Comparator circuit 31 includes chip IC 2, and adjusting circuit 32 includes resistance R9 and slide rheostat RW, chip IC 2
LM399 is adopted as, the in-phase input end of LM399 is connected to resistance R8 to receive Humidity Detection signal, the inverting input of LM399
A fixing end and sliding end of slide rheostat RW are connected to, are grounded after inverting input series resistance R9 of LM399, LM399
Outfan output comparison signal.
With reference to Fig. 4 and Fig. 5, power-off protection apparatus 4 be electrically connected with comparison means and in response to infrared detection signal with
The power supply of cut-out electric mower, it is included the transistor switching circuit 41 being electrically connected with comparison means and is opened with audion
The relay switching circuit 42 that powered-down road 41 is electrically connected with, transistor switching circuit 41 is in response to infrared circuit break-make controlling
Relay switching circuit processed 42 cuts off the power supply of electric mower;The physical circuit of comparison means 3 is connected as:
Transistor switching circuit 41 includes the audion VT1 of NPN type, resistance R5, and relay switching circuit 42 includes relay
Device KM1, diode D1, wherein, the base stage of audion VT1 is connected to the outfan of comparator IC1 to receive comparison signal, while
Power supply is connected to after base series resistor R5 of audion VT1, the colelctor electrode of audion VT1 is connected to power supply, audion VT1's
It is grounded after emitter stage SRE KM1, the emitter stage of audion VT1 is connected to the negative electrode of diode D1, the sun of diode D1
Pole is grounded.
Motor M, switch SB, resistance R6 are connected in the current supply circuit of weeder and are controlled by the switch of relay KM1
KM1-1, wherein, one end of motor M is connected to weeding electromechanical source, the other end string of motor M after being sequentially connected in series switch SB, resistance R6
It is grounded after connection switch KM1-1.
With reference to Fig. 3 and Fig. 6, relay switching circuit 42 is also electrically connected with for pointing out the motor of weeder to transport
The first display part 61 for turning and second display part 62 excessive for showing meadow humidity, the first display part 61 and second are aobvious
The concrete annexation for showing portion 62 is:
First display part 61 includes LED 1, normally closed type switch KM1-2, the wherein sun of LED 1
Pole is connected to one end of switch SB and is controlled by switch SB, is grounded after the negative electrode tandem tap KM1-2 of LED 1, the
Two display parts 62 include LED 2, switch KM1-3 open in usual, and the anode of wherein LED 2 is connected to out
Close one end of SB and be controlled by switch SB, be grounded after the negative electrode tandem tap KM1-3 of LED 2.
With reference to Fig. 4 and Fig. 6, device 5 of warning is electrically connected with comparison means 3 and in response to comparison signal to be shown
Alert, device 5 of warning includes on-off circuit 51 and electrically connecting with on-off circuit 51 of warning with the warning of being electrically connected with of comparison means 3
The sound for connecing is warned circuit 52, and on-off circuit 51 of warning is entered with controlling sound 52 sounding of circuit of warning in response to comparison signal break-make
Row is warned, and the physical circuit of device 5 of warning is connected as:
On-off circuit 51 of warning includes the audion VT2 of NPN type, resistance R10, sound warn circuit 52 include electric bell SP with
And diode D2, wherein, the base stage of audion VT2 is connected to the outfan of comparator IC1 to receive comparison signal, while three poles
Power supply is connected to after base series resistor R5 of pipe VT2, the colelctor electrode of audion VT2 is connected to power supply, the transmitting of audion VT2
It is grounded after pole series connection electric bell SP, the emitter stage of audion VT2 is connected to the negative electrode of diode D2, the plus earth of diode D2.
The operation principle and the course of work of the present embodiment:
When weeding is carried out using weeder, weeder is moved forward, the Humidity Detection on gear 1 front side outer wall of straw mulch
The humidity on the detection of device 2 meadow simultaneously exports Humidity Detection signal, and comparison means 3 compares Humidity Detection signal and humidity reference signal
Size, if Humidity Detection signal be more than humidity reference signal, comparison means 3 export high level comparison signal, warn out
Conducting after powered-down road 51 receives the comparison signal of high level makes sound circuit 52 of warning be warned, after user hears prompting
Know that the excessive weeding of easily slipping of meadow humidity now is not safe enough, so as to improve the safety of weeding to a certain extent
Property.
While 5 alarm of device is warned, the power supply of the cut-out motor of power-off protection apparatus 4 stops weeder
Operating, forces to stop weeding, additionally, motor whether normal power supply is pointed out by the first display part 61, so as to be convenient for people to know
Whether motor runs well, while cannot could be aware that whether belong to wet by the second display part 62 during normal work in weeder
The security protection that big weeder starts is spent, is brought conveniently.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.Should refer to
Go out, for those skilled in the art, some improvement under the premise of without departing from this utility model principle and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of Weeding safety guard system, is characterized in that:Including for detect meadow humidity humidity detector (2), tool
There is the comparison means (3) of humidity reference signal and for pointing out the people humidity to be not suitable for the device of warning (5) of weeding, it is described
Humidity detector (2) exports Humidity Detection signal corresponding with humidity size according to the humidity condition on meadow, described to compare dress
Put (3) to be electrically connected with humidity detector (2) and compare Humidity Detection signal with the size of humidity reference signal to export ratio
Compared with signal, the device of warning (5) is electrically connected with comparison means (3) and in response to comparison signal to be warned;
When meadow humidity is more than reference humidity, the device of warning (5) starts to warn to point out the people humidity condition unsuitable
Mow.
2. Weeding safety guard system according to claim 1, is characterized in that:The humidity detector (2) includes using
In detection meadow humidity condition and export Humidity Detection signal humidity measuring circuit (21) and for Humidity Detection electricity
Road (21) provides the power circuit (22) of burning voltage.
3. Weeding safety guard system according to claim 2, is characterized in that:The humidity measuring circuit (21) is arranged at
Gear straw mulch (1) is on the outer wall of weeder direction of advance side.
4. Weeding safety guard system according to claim 1, is characterized in that:The comparison means (3) is included with wet
The comparator circuit (31) and the regulation circuit (32) for adjusting humidity reference signal size of degree reference signal, the comparison
Device circuit (31) compares Humidity Detection signal with the size of humidity reference signal to export comparison signal.
5. Weeding safety guard system according to claim 1, is characterized in that:The device of warning (5) includes and compares
The on-off circuit of warning (51) and the sound being electrically connected with on-off circuit of warning (51) that device (3) is electrically connected with is warned circuit
(52), the on-off circuit of warning (51) is shown with controlling sound circuit (52) sounding of warning in response to comparison signal break-make
It is alert.
6. Weeding safety guard system according to claim 1, is characterized in that:The comparison means (3) is also electrically connected with
Have in response to comparison signal to cut off the power-off protection apparatus (4) of electric mower power supply.
7. Weeding safety guard system according to claim 6, is characterized in that:The power-off protection apparatus (4) include with
Transistor switching circuit (41) and the relay being electrically connected with transistor switching circuit (41) that comparison means is electrically connected with
On-off circuit (42), the transistor switching circuit (41) is in response to comparison signal break-make with control relay on-off circuit (42)
The power supply of cut-out electric mower.
8. Weeding safety guard system according to claim 7, is characterized in that:The relay switching circuit (42) also electricity
Property is connected with the first display part (61) for pointing out the motor of weeder operating.
9. Weeding safety guard system according to claim 7, is characterized in that:The relay switching circuit (42) also electricity
Property is connected with second display part (62) excessive for showing meadow humidity.
10. a kind of electric mower, is characterized in that:Including the arbitrary described Weeding safety guard system of claim 1 to 9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621127109.2U CN206118450U (en) | 2016-10-15 | 2016-10-15 | Weeding safety protection system and electric weeding machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621127109.2U CN206118450U (en) | 2016-10-15 | 2016-10-15 | Weeding safety protection system and electric weeding machine |
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Publication Number | Publication Date |
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CN206118450U true CN206118450U (en) | 2017-04-26 |
Family
ID=58574241
Family Applications (1)
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CN201621127109.2U Expired - Fee Related CN206118450U (en) | 2016-10-15 | 2016-10-15 | Weeding safety protection system and electric weeding machine |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108760978A (en) * | 2018-04-20 | 2018-11-06 | 广州晓谷川骐通信技术有限公司 | Gas-detecting device and system |
CN115067056A (en) * | 2022-06-13 | 2022-09-20 | 扬州大学 | Horizontal control method and system for weeding machine |
-
2016
- 2016-10-15 CN CN201621127109.2U patent/CN206118450U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108760978A (en) * | 2018-04-20 | 2018-11-06 | 广州晓谷川骐通信技术有限公司 | Gas-detecting device and system |
CN115067056A (en) * | 2022-06-13 | 2022-09-20 | 扬州大学 | Horizontal control method and system for weeding machine |
CN115067056B (en) * | 2022-06-13 | 2023-12-08 | 扬州大学 | Horizontal control method and system for weeding machine |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 |
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