CN110214768A - A kind of proportioning device for unattended pesticide sprayer - Google Patents
A kind of proportioning device for unattended pesticide sprayer Download PDFInfo
- Publication number
- CN110214768A CN110214768A CN201910523712.4A CN201910523712A CN110214768A CN 110214768 A CN110214768 A CN 110214768A CN 201910523712 A CN201910523712 A CN 201910523712A CN 110214768 A CN110214768 A CN 110214768A
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- CN
- China
- Prior art keywords
- resistance
- explosive barrel
- support rod
- adjusting
- determiner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
- A01M7/0003—Atomisers or mist blowers
- A01M7/0014—Field atomisers, e.g. orchard atomisers, self-propelled, drawn or tractor-mounted
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
- A01M7/005—Special arrangements or adaptations of the spraying or distributing parts, e.g. adaptations or mounting of the spray booms, mounting of the nozzles, protection shields
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
- A01M7/0089—Regulating or controlling systems
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Insects & Arthropods (AREA)
- Pest Control & Pesticides (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses stepper motor, single-chip microcontroller, communication modules that the D-M (Determiner-Measure) construction for pesticide sprayer, circuit device, motor driver including explosive barrel, the support rod being threaded through in explosive barrel and the adjusting rod being in contact with support rod, realization regulatory function are connect；The side inner wall of explosive barrel is equipped with the guide rail matched with adjusting rod, the top surface and bottom surface of explosive barrel offer through-hole, and support rod passes through through-hole and fixes with explosive barrel, offer medicine outlet hole on the outer wall of explosive barrel, and the valve being matched therewith is installed on the medicine outlet hole, the outer wall of explosive barrel is equipped with electromagnet.Signal is transmitted to single-chip microcontroller by communication module, the work of single-chip microcontroller control stepper motor is to control to adjust resistance, make to adjust whether swept resistance in resistance and bucket generates pressure difference, it is switched on or switched off electromagnet to whether adsorb valve and control opening or closing for medicine outlet hole, with the fountain height of quantitative control pesticide.
Description
Technical field
The invention belongs to agricultural machinery technological fields, more particularly, to a kind of D-M (Determiner-Measure) construction for pesticide sprayer.
Background technique
In agricultural production, the concentration of pesticide, present agriculture are usually configured when spraying insecticide according to a certain concentration
In industry production, to reduce cost and mitigating manual labor, the pesticide sprayer layout type of gridding can be used, i.e., every certain
Distance one pesticide sprayer of placement.Only the pesticide of doses need to be stored to enter automatically to remove crops in advance
Worm needs to prepare pesticide concentration in advance before sprinkling except sick herbal sprinkling, i.e., the medicine of doses is injected into water tank
Object.Traditional approach, which uses, artificially goes to each sprinkler to be matched, cumbersome and time consuming in this way, and can lengthen work people
The direct time of contact of member and pesticide damage people's health.
Therefore, designing a kind of D-M (Determiner-Measure) construction that can apply to pesticide sprayer is just particularly important.
Summary of the invention
The object of the present invention is to provide a kind of determining for pesticide sprayer for control pesticide spraying amount easy to operate, accurate
Measure structure.
Technical scheme is as follows:
A kind of D-M (Determiner-Measure) construction for pesticide sprayer, including explosive barrel, the support rod being threaded through in explosive barrel, with support rod phase
The adjusting rod of contact, the circuit device being electrically connected with adjusting rod are for controlling adjusting rod, the stepping electricity of motor driver connection
Machine, single-chip microcontroller, communication module；
The side inner wall of the explosive barrel is equipped with the guide rail matched with adjusting rod, and top surface and the bottom surface of the explosive barrel open up
There is through-hole, the support rod passes through through-hole and fixes with explosive barrel, medicine outlet hole is offered on the outer wall of the explosive barrel, and in the medicine outlet hole
On the valve being matched therewith is installed, the outer wall of the explosive barrel is equipped with electromagnet；
On cylindrantherae outer wall top, the circuit device includes adjusting resistance, motor driven for the circuit device setting
Device, stepper motor, single-chip microcontroller and communication module, the adjusting resistance are electrically connected with adjusting rod, and the stepper motor passes through motor
Driver is electrically connected with resistance is adjusted with the change in resistance for controlling to adjust resistance, and the single-chip microcontroller is electrically connected with stepper motor
It connects, the communication module is connect with microcontroller communication；
One end of the adjusting rod is equipped with the sliding block matched with guide rail for along guide rail sliding, the adjusting rod direction
The side of support rod is equipped with adjustment sheet for being in contact with support rod.
In the above-mentioned technical solutions, the two sides of the medicine outlet hole are symmetrically arranged with 2 sliding slots, the both ends of the valve and sliding slot
It matches to be slided along the chute for valve.
In the above-mentioned technical solutions, the adjusting rod use floating material to be made with for the liquid level amount in explosive barrel and
It is slided along guide rail.
In the above-mentioned technical solutions, the adjusting resistance is linear resistance and controls slide plate by stepper motor control by transmission
Resistance value processed, the support rod are made of metal material, the circuit connection of the support rod and external pesticide sprayer, and at this
Support rod has been externally wrapped with resistance wire, and support rod is equivalent to sliding variable resistance, and to feed back fluid change, outside adjusts resistance resistance
After value is conditioned, adjusts resistance terminal position and swept resistance end position and generate potential difference, to generate between control terminal position by adjusting electricity
End position is hindered to the electric current in swept resistance end position direction, controls the work of electromagnet.
In the above-mentioned technical solutions, the adjustment sheet is in contact with the resistance wire of support rod.
In the above-mentioned technical solutions, the outer wall of the explosive barrel is equipped with electromagnet, the electromagnet and support rod and tune
Economize on electricity resistance connection, to be generated at resistance and support rod winding resistance terminal position from adjusting resistance terminal position to support rod resistance for adjusting
When holding the positive pressure difference of position, electromagnet is started to work.
In the above-mentioned technical solutions, sealing ring is equipped between the support rod and through-hole.
In the above-mentioned technical solutions, the outer wall top of the explosive barrel, which is equipped with, adjusts resistance, and stepper motor passes through transmission control
Slide plate adjusting resistance values realize the pressure difference for adjusting resistance terminal position and swept resistance end position, work of electromagnet are controlled, to realize
The outflow of liquid.
In the above scheme, the stepper motor connection motor driver reconnects single-chip microcontroller, receives communication by single-chip microcontroller
Signal is transmitted to motor driver and is instructed, and the work of stepper motor is controlled by motor driver, is slided to adjust transmission control
Piece controls to adjust resistance.
In the above scheme, the corresponding output pin connection of the single-chip microcontroller, communication module receive instruction.
In the above scheme, the transmission control slide plate is assembled by miniature conveyer belt and sliding slide plate, by stepping electricity
Machine driving sliding.
In the above-mentioned technical solutions, the top of the explosive barrel is equipped with sealing cover.
In the above-mentioned technical solutions, the medicine outlet hole is equipped with the grug transportation tube being connected to pesticide sprayer.
The advantages and positive effects of the present invention are:
1. support rod runs through the upper and lower ends of explosive barrel, adjusting rod adjusts and connects on support rod with the floating of liquid level in explosive barrel
Logical resistance is switched on or switched off electromagnet to whether adsorb valve and control opening or closing for medicine outlet hole, with quantitative
The fountain height of pesticide processed.
2. adjusting rod is made of floating material, and moves up and down along guide rail, to adjust the connection on support rod
Resistance accurately to control pesticide output quantity.
3. being provided with sliding slot at the both ends of valve, valve is moved up and down under the suction-operated of electromagnet along sliding slot, with
Control medicine outlet hole opens or closes state.
4. adding triode switch on electromagnet apparatus, pass through the positive pressure difference for adjusting resistance terminal position to swept resistance end position
The starting of controllable electromagnet.
5. being connect using communication module with single-chip microcontroller, single-chip microcontroller controls stepper motor operation to control to adjust resistance, realizes
Remote control adjusts control metering.
Detailed description of the invention
Fig. 1 is the schematic diagram of D-M (Determiner-Measure) construction of the invention；
Fig. 2 is the schematic diagram of internal structure of D-M (Determiner-Measure) construction of the invention；
Fig. 3 is the external structure schematic diagram of D-M (Determiner-Measure) construction of the invention；
Fig. 4 is the circuit diagram of D-M (Determiner-Measure) construction of the invention；
Fig. 5 is the structural schematic diagram that resistance is adjusted in the present invention.
In figure:
1, explosive barrel 2, support rod 3, adjusting rod
4, adjustment sheet 5, guide rail 6, electromagnet
7, sliding slot 8, valve 9, diode
10, triode 11, adjusting resistance 12, stepper motor
13, single-chip microcontroller 14,15. slide plate of communication module
Specific embodiment
Below in conjunction with specific embodiment, invention is further described in detail.It should be appreciated that described herein specific
Embodiment is used only for explaining the present invention, is not intended to limit the present invention, is never limited in protection scope of the present invention.
Embodiment 1
As shown in Figure 1-Figure 3, the D-M (Determiner-Measure) construction for pesticide sprayer of the invention, including explosive barrel 1, it is threaded through explosive barrel 1
Interior support rod 2 and the adjusting rod 3 being in contact with support rod 2, the connection motor driver for adjusting resistance 11, controlling to adjust resistance
Stepper motor 12 and control stepper motor single-chip microcontroller 13 and be single-chip microcontroller 13 transmission instruction communication module 14.
The side inner wall of above-mentioned explosive barrel 1 is equipped with the guide rail 5 matched with adjusting rod 3, and top surface and the bottom surface of explosive barrel 1 open up
There is through-hole, support rod 2 passes through through-hole and explosive barrel 1 is fixed, offers medicine outlet hole on the outer wall of explosive barrel 1, and pacify on the medicine outlet hole
Equipped with the valve 8 being matched therewith, the outer wall of explosive barrel 1 is equipped with electromagnet 6, and electromagnet 6 cooperates diode 9 and triode 10
Realize expected work, the two sides of medicine outlet hole are symmetrically arranged with 2 sliding slots 7, and the both ends of valve 8 are matched with sliding slot 7 for valve 8
7 sliding along the chute.
One end of above-mentioned adjusting rod 3 is equipped with the sliding block matched with guide rail 5 for along the sliding of guide rail 5,3 direction of adjusting rod
The side of support rod 2 is equipped with adjustment sheet 4 for being in contact with support rod 2；Adjusting rod 3 uses floating material to be made to be used for
It is slided with the liquid level amount in explosive barrel 1 along guide rail 5.
Further to say, support rod 2 is made of metal material, the circuit connection of support rod 2 and external pesticide sprayer,
And in the resistance wire that has been externally wrapped with of the support rod 2, the resistance wire phase of adjustment sheet 4 (being made of conductive material) and support rod 2
Contact.
It further says, the outer wall of explosive barrel 1 is equipped with electromagnet 6, electromagnet 6 and support rod 2 and adjusts 11 electricity of resistance
Connection, when generating pressure difference for winding resistance terminal position with support rod 2 in adjusting 11 end of resistance position, so that the generation magnetic of electromagnet 6
Property.
It further says, support rod 2 is equivalent to sliding variable resistance, and quantitative electricity is additionally provided in the circuit of external pesticide sprayer
Resistance is based on Wheatstone bridge principle, when controlling to adjust resistance 11 using stepping resistance, adjustable resistance end position and swept resistance end position
Pressure difference is generated, the resistance at 6 both ends of electromagnet generates potential difference whens not waiting, to connect electromagnet 6 to adsorb valve 8.
It further says, 6 connecting triode switches 10 of electromagnet guarantee adjustable resistance end position and swept resistance end position company
The place of connecing generates electric current and can work normally, connection diode 9 guarantee it is current generated must be from adjustable resistance end bit stream to sliding
Resistance terminal position.
Embodiment 2
On the basis of embodiment 1, as shown in Fig. 2, the D-M (Determiner-Measure) construction for pesticide sprayer of the invention, including explosive barrel
1, the support rod 2 being threaded through in explosive barrel 1 and the adjusting rod 3 being in contact with support rod 2, external adjusting resistance 11.
The side inner wall of above-mentioned explosive barrel 1 is equipped with the guide rail 5 matched with adjusting rod 3, and top surface and the bottom surface of explosive barrel 1 open up
There is through-hole, support rod 2 passes through through-hole and explosive barrel 1 is fixed, offers medicine outlet hole on the outer wall of explosive barrel 1, and pacify on the medicine outlet hole
Equipped with the valve 8 being matched therewith, the outer wall of explosive barrel 1 is equipped with electromagnet 6, and the two sides of medicine outlet hole are symmetrically arranged with 2 sliding slots 7,
The both ends of valve 8 are matched with sliding slot 7 for 7 sliding along the chute of valve 8.
One end of above-mentioned adjusting rod 3 is equipped with the sliding block matched with guide rail 5 for along the sliding of guide rail 5,3 direction of adjusting rod
The side of support rod 2 is equipped with adjustment sheet 4 for being in contact with support rod 2；Adjusting rod 3 uses floating material to be made to be used for
It is slided with the liquid level amount in explosive barrel 1 along guide rail 5.
Further to say, support rod 2 is made of metal material, the circuit connection of support rod 2 and external pesticide sprayer,
And in the resistance wire that has been externally wrapped with of the support rod 2, the resistance wire phase of adjustment sheet 4 (being made of conductive material) and support rod 2
Contact.
It further says, the outer wall of explosive barrel 1 is equipped with electromagnet 6, electromagnet 6 and support rod 2 and adjusts 11 electricity of resistance
Connection generates pressure difference to be used for the both ends after adjusting resistance values change, so that triode 10 makes electromagnet 6 after connecting
It generates magnetic.
It further says, support rod 2 is equivalent to sliding variable resistance, and quantitative electricity is additionally provided in the circuit of external pesticide sprayer
Resistance is based on Wheatstone bridge principle, is respectively arranged with quantitative resistance at the both ends of electromagnet 6 and adjusts resistance, when 6 liang of electromagnet
The resistance at end generates potential difference whens not equal, to connect electromagnet 6 to adsorb valve 8.
Shown in principle with Fig. 4, fixed value resistance R1, R2 and changes in resistance Rn (to adjust resistance 11), Rt are set (for support
Bar 2), as Rn/R1 ≠ Rt/R2, line both ends generate potential difference, to make 10 switch connection of triode, electromagnet 6 generates magnetic
Property, it persistently adsorbs valve 8 and is moved up along sliding slot 7.
Further say, be provided with diode 9 in circuit, for controlling unidirectional electric current, with prevent adjustment sheet 4 with
The liquid level of pesticide float up and down and generate two-way electric current.
When filling it up with pesticide in explosive barrel 1, adjusting rod 3 floats on the top of pesticide, and the resistance value of Rt is 0 at this time, is starting to spray
Before spilling pesticide, stepper motor 12 is connected to instruction, so that transmission control slide plate 13 is slided into the one end for adjusting 11 resistance value 0 of resistance, passes through
After communication module 14 is to the transmission instruction of single-chip microcontroller 13, control stepper motor 12 adjusts the resistance of Rn, and the size and pesticide of Rn flows out
The relationship of volume is dV=5dRn, and when the resistance value of Rn changes, adjustable resistance end position generates pressure difference with swept resistance end position,
To make the switch connection of triode 10, to connect the start-up operation of electromagnet 6, absorption valve 8 is gradually moved up, and pesticide is from out
The outflow of medicine hole, and decline along with the liquid level in explosive barrel 1 and the adjusting rod 3 of floating is driven to glide along guide rail 5, so that support rod 2
The resistance Rt resistance value of connection increases, when Rt change in resistance to it is equal with resistance Rn resistance value when, electromagnet 6 stops working, and valve 8 exists
Original position is returned back under the action of gravity to match with medicine outlet hole, is closed explosive barrel 1, is stopped the output of pesticide.
Embodiment 3
On the basis of embodiment 1, the D-M (Determiner-Measure) construction for pesticide sprayer of the invention, including explosive barrel 1, it is threaded through medicine
Support rod 2 and the adjusting rod 3 being in contact with support rod 2 in bucket 1, the connection motor drive for adjusting resistance 11, controlling to adjust resistance
The stepper motor 12 of dynamic device and the single-chip microcontroller 13 of control stepper motor and the communication module 14 for the transmission instruction of single-chip microcontroller 13.
The side inner wall of above-mentioned explosive barrel 1 is equipped with the guide rail 5 matched with adjusting rod 3, and top surface and the bottom surface of explosive barrel 1 open up
There is through-hole, support rod 2 passes through through-hole and explosive barrel 1 is fixed, offers medicine outlet hole on the outer wall of explosive barrel 1, and pacify on the medicine outlet hole
Equipped with the valve 8 being matched therewith, the outer wall of explosive barrel 1 is equipped with electromagnet 6, and the two sides of medicine outlet hole are symmetrically arranged with 2 sliding slots 7,
The both ends of valve 8 are matched with sliding slot 7 for 7 sliding along the chute of valve 8.
One end of above-mentioned adjusting rod 3 is equipped with the sliding block matched with guide rail 5 for along the sliding of guide rail 5,3 direction of adjusting rod
The side of support rod 2 is equipped with adjustment sheet 4 for being in contact with support rod 2；Adjusting rod 3 uses floating material to be made to be used for
It is slided with the liquid level amount in explosive barrel 1 along guide rail 5.
Further to say, support rod 2 is made of metal material, the circuit connection of support rod 2 and external pesticide sprayer,
And in the resistance wire that has been externally wrapped with of the support rod 2, the resistance wire phase of adjustment sheet 4 (being made of conductive material) and support rod 2
Contact.
It further says, the outer wall of explosive barrel 1 is equipped with electromagnet 6, electromagnet 6 and support rod 2 and adjusts resistance terminal position electricity
Connection generates pressure difference to be used for the both ends after adjusting resistance values change, so that triode 10 makes electromagnet 6 after connecting
It generates magnetic.
It further says, support rod 2 is equivalent to sliding variable resistance, and quantitative electricity is additionally provided in the circuit of external pesticide sprayer
Resistance is based on Wheatstone bridge principle, quantitative resistance and variable resistance is respectively arranged at the both ends of electromagnet 6, when 6 liang of electromagnet
The resistance at end generates potential difference whens not equal, to connect electromagnet 6 to adsorb valve 8.
It further says, sealing ring is equipped between support rod 2 and through-hole.
It further says, the outer wall of explosive barrel 1, which is equipped with, adjusts resistance 11, is become by 12 adjusting resistance values of stepper motor
Change, to adjust the variation of liquid in bucket.
It further says, the top of explosive barrel 1 is equipped with sealing cover.
It further says, medicine outlet hole is equipped with the grug transportation tube being connected to pesticide sprayer.
The spatially relative terms such as "upper", "lower", "left", "right" have been used in embodiment for ease of explanation, have been used for
Relationship of the elements or features relative to another elements or features shown in explanatory diagram.It should be understood that in addition to figure
Shown in except orientation, spatial terminology is intended to include the different direction of device in use or operation.For example, if in figure
Device be squeezed, the element for being stated as being located at other elements or feature "lower" will be located into other elements or feature "upper".
Therefore, exemplary term "lower" may include both upper and lower orientation.Device, which can be positioned in other ways, (to be rotated by 90 ° or position
In other orientation), it can be interpreted accordingly used herein of the opposite explanation in space.
Moreover, the relational terms of such as " first " and " second " or the like are used merely to one with another with identical
The component of title distinguishes, without necessarily requiring or implying between these components there are any this actual relationship or
Sequentially.
Illustrative description has been done to the present invention above, it should explanation, the case where not departing from core of the invention
Under, any simple deformation, modification or other skilled in the art can not spend the equivalent replacement of creative work equal
Fall into protection scope of the present invention.
Claims (10)
1. a kind of D-M (Determiner-Measure) construction for pesticide sprayer, it is characterised in that: including explosive barrel, the support rod being threaded through in explosive barrel,
The adjusting rod that is in contact with support rod, the circuit device being electrically connected with adjusting rod are with for controlling adjusting rod, motor driver connects
Stepper motor, single-chip microcontroller, the communication module connect；
The side inner wall of the explosive barrel is equipped with the guide rail matched with adjusting rod, and top surface and the bottom surface of the explosive barrel offer logical
Hole, the support rod pass through through-hole and fix with explosive barrel, medicine outlet hole are offered on the outer wall of the explosive barrel, and pacify on the medicine outlet hole
Equipped with the valve being matched therewith, the outer wall of the explosive barrel is equipped with electromagnet；
On cylindrantherae outer wall top, the circuit device includes adjusting resistance, motor driver, step for the circuit device setting
Into motor, single-chip microcontroller and communication module, the adjusting resistance is electrically connected with adjusting rod, and the stepper motor passes through motor driver
It is electrically connected with resistance is adjusted with the change in resistance for controlling to adjust resistance, the single-chip microcontroller is electrically connected with stepper motor, described
Communication module is connect with microcontroller communication；
One end of the adjusting rod is equipped with the sliding block matched with guide rail so that for sliding along guide rail, the adjusting rod direction is supported
The side of bar is equipped with adjustment sheet for being in contact with support rod.
2. D-M (Determiner-Measure) construction according to claim 1, it is characterised in that: the two sides of the medicine outlet hole are symmetrically arranged with 2 sliding slots,
The both ends of the valve are matched with sliding slot to slide along the chute for valve.
3. D-M (Determiner-Measure) construction according to claim 2, it is characterised in that: the adjusting rod uses floating material to be made to be used for
It is slided with the liquid level amount in explosive barrel along guide rail.
4. D-M (Determiner-Measure) construction according to claim 3, it is characterised in that: the support rod is made of metal material, described
The circuit connection of support rod and external pesticide sprayer, and resistance wire has been externally wrapped in the support rod.
5. D-M (Determiner-Measure) construction according to claim 4, it is characterised in that: the adjustment sheet connects with the resistance wire of support rod
Touching.
6. D-M (Determiner-Measure) construction according to claim 5, it is characterised in that: the outer wall of the explosive barrel is equipped with electromagnet, described
Electromagnet is electrically connected with support rod and adjusting resistance, to generate at resistance and support rod winding resistance terminal position by adjusting for adjusting
When saving positive pressure difference of the resistance terminal position to support rod resistance terminal position, electromagnet is started to work.
7. D-M (Determiner-Measure) construction according to claim 6, it is characterised in that: the adjusting resistance passes through transmission control by stepper motor
Slide plate processed controls resistance value.
8. D-M (Determiner-Measure) construction according to claim 7, it is characterised in that: the transmission control slide plate is by miniature conveyer belt and cunning
Piece composition, is driven by stepper motor and is transmitted.
9. D-M (Determiner-Measure) construction according to claim 8, it is characterised in that: the single-chip microcontroller insertion control program simultaneously passes through pin
It is electrically connected with communication module, to receive command signal for communication module.
10. D-M (Determiner-Measure) construction according to claim 9, it is characterised in that: the medicine outlet hole is equipped with to be connected with pesticide sprayer
Logical grug transportation tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910523712.4A CN110214768A (en) | 2019-06-17 | 2019-06-17 | A kind of proportioning device for unattended pesticide sprayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910523712.4A CN110214768A (en) | 2019-06-17 | 2019-06-17 | A kind of proportioning device for unattended pesticide sprayer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110214768A true CN110214768A (en) | 2019-09-10 |
Family
ID=67817576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910523712.4A Pending CN110214768A (en) | 2019-06-17 | 2019-06-17 | A kind of proportioning device for unattended pesticide sprayer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110214768A (en) |
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Application publication date: 20190910 |
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| RJ01 | Rejection of invention patent application after publication |