CN111108908A - Device for rapidly harvesting flowers and harvesting method thereof - Google Patents
Device for rapidly harvesting flowers and harvesting method thereof Download PDFInfo
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- CN111108908A CN111108908A CN202010035854.9A CN202010035854A CN111108908A CN 111108908 A CN111108908 A CN 111108908A CN 202010035854 A CN202010035854 A CN 202010035854A CN 111108908 A CN111108908 A CN 111108908A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D46/00—Picking of fruits, vegetables, hops, or the like; Devices for shaking trees or shrubs
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Abstract
The device comprises a cutting part and a sucking part, wherein the sucking part comprises a power unit and a vertically arranged suction pipe, the power unit sucks gas in the suction pipe, the cutting part comprises a handle and a blade connected to the handle, the blade comprises a fixed blade fixedly connected with the handle and a movable blade matched with the fixed blade, the fixed blade and the movable blade are arranged above the suction pipe, and the movable blade moves in the horizontal direction. The invention discloses a device for quickly harvesting flowers and a harvesting method thereof, which can realize the quick harvesting of crops, can not cause damage to a picker and a picked object in the harvesting process, have simple structure and convenient use, can be easily picked by only holding the device on hands and aligning the device with the picked object when in use, saves time and labor and makes up the defects of the mechanized harvesting of the crops such as the flowers.
Description
Technical Field
The invention belongs to the technical field of crop picking, and particularly relates to a device for quickly harvesting flowers and a harvesting method thereof.
Background
Flowers are now mostly in the form of crops, such as chrysanthemum, roses and the like which are planted in large quantities and are eaten, drunk or used as medicines.
Different from general crops, flowers need to be careful when picked due to the characteristic of tenderness of the flowers, and due to the tenderness of the flowers, the mechanization degree of agricultural picking of the flowers is seriously insufficient, so that a large amount of labor is needed in the picking process of the crops such as the flowers, the process is time-consuming and labor-consuming, the picking efficiency is low, and the growth cycle of picked objects is greatly influenced.
Meanwhile, the flowers are easily damaged when the crops such as the flowers are picked manually, so that the finished product appearance is influenced, and the economic benefit of the crops is finally influenced.
In addition, when flowers are picked manually, such as roses, picking workers are easily injured due to the existence of flower thorns, and physical and psychological health of the workers is affected.
There is an urgent need for a picking device that can reduce the labor cost while not easily damaging the crops.
Disclosure of Invention
The invention aims to provide a device for quickly harvesting flowers, which is simple in structure and good in using effect.
In order to solve the technical problems, the invention provides the following technical scheme: device of quick results flower, including cutting part and the portion of absorbing that links to each other with cutting part, the portion of absorbing includes the straw of power pack and vertical setting, and the gas in the straw is absorbed to power pack, and cutting part includes the handle and connects the blade on the handle, and the straw links to each other with the handle, and the blade includes the removal blade that sets up with handle fixed connection's fixed blade and cooperation fixed blade, and fixed blade and removal blade set up in the straw top, and remove the blade and move on the horizontal direction.
The cutting part also comprises an electromagnetic relay, the electromagnetic relay comprises a coil and an armature, the armature is arranged above the coil, and a compression spring is connected to the connecting end of the armature; the free end of the armature is connected with the moving blade.
A pressure sensor is arranged in the suction pipe, a control part is connected to the pressure sensor, and the control part comprises a processor and a relay drive circuit; the signal output end of the pressure sensor is connected with the signal input end of the processor, the signal output end of the processor is connected with the relay driving circuit, and the relay driving circuit drives whether the coil of the relay is electrified or not.
The pressure sensor circuit comprises a power supply circuit, a bridge circuit and an amplifying circuit; the power supply circuit is connected with the bridge circuit, the signal output end of the bridge circuit is connected with the amplifying circuit, the signal output end of the amplifying circuit is connected with the AD conversion circuit, and the signal output end of the AD conversion circuit is connected with the signal input end of the processor.
The power unit comprises an exhaust fan connected with the suction pipe.
A collecting barrel is screwed below the suction pipe, an exhaust fan is arranged at the bottom in the collecting barrel, and an air outlet is arranged on the bottom surface of the collecting barrel in a manner of matching with the exhaust fan; a grid plate is arranged above the collecting barrel and is horizontally connected into the collecting barrel.
A method for rapid harvesting of flowers, said method comprising the steps of, in order:
1) approaching the flower; in the process of approaching the flower, the distance between the flower and the top end of the suction pipe is less than 100 mm;
2) sucking the flower into a suction pipe; negative pressure exists in the suction pipe, and the negative pressure in the suction pipe sucks the flowers into the suction pipe;
3) sensing the flower to be sucked; the method for sensing the flower suction comprises the following steps: judging whether the pressure change speed in the straw exceeds a threshold value;
4) cutting off the flower and the stem; when the flower is judged to be sucked, the movable blade moves towards the fixed blade, so that the flower and the stem are cut off, and the flower is obtained;
5) collecting the cut flowers together; continuously sucking down the flowers separated from the stems in the step 4) by a suction pipe, and collecting the flowers in a centralized manner;
6) repeat step 1).
The formula for judging whether the change speed of the pressure in the straw exceeds the threshold value in the step 3) is as follows: δ N = Nt-Nt-0.3, δ N =0.3MPa, where δ N is the change speed of the pressure in the straw; nt is the pressure in the suction pipe at the tth second; nt-0.3 is the pressure in the suction pipe at the t-3 second.
The negative pressure in the suction pipe is 300-400 mmHg.
The inner diameter of the suction pipe is gradually increased from top to bottom and then gradually reduced, wherein the inner diameters of the top end and the bottom end of the suction pipe are the same; the value at the minimum of the inner diameter of the straw is: 90-110 mm.
Through the technical scheme, the invention has the beneficial effects that:
by the device of the invention:
(1) the crops are sucked by the suction part, the crops are cut off by the cutting part, the structure is simple, the principle and the structure are clear at a glance, the design is novel, the picking of the crops is easily realized, and the defects of the crops of flowers in the aspect of mechanical picking are overcome.
(2) By adopting the picking mode, the picking efficiency is greatly improved, picking personnel are not easy to be damaged, and picked objects are not easy to be damaged.
(3) The device is time-saving and labor-saving to use, the arranged handle accords with the biology imitation, the device is easy to hold by hands and difficult to slide, and the device is more labor-saving to hold;
by the method of the invention:
(1) the method can realize the quick harvest of the flowers; impurities are not easy to be mixed; meanwhile, due to the control of the pressure and the inner diameter size of the suction pipe, the flowers are not easily damaged, the integrity of the flowers can be guaranteed, meanwhile, the cut flowers can be quickly stretched, and the shapes of the flowers are effectively protected.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a schematic view of the structure of the straw;
FIG. 4 is a schematic view of a blade configuration;
FIG. 5 is a schematic diagram of a relay structure;
FIG. 6 is a schematic circuit diagram of the control unit;
FIG. 7 is a flow chart of the method of the present invention.
Detailed Description
Example 1, the present invention relates to a device for harvesting flowers rapidly, wherein the crops of the present invention are flowers, and the present example is described with a middle chrysanthemum having a head diameter of 60 to 100mm, wherein the head diameter is the maximum diameter of petals in a natural state.
The device for harvesting flowers quickly comprises a cutting part and a suction part connected with the cutting part, wherein the suction part is used for sucking crops into the suction part, then the cutting part cuts the crops, and the cut crops fall into the suction part.
Wherein, the suction part comprises a power unit and a vertically arranged suction pipe 5, and the suction pipe 5 is connected with the cutting part. The power unit sucks the gas in the suction pipe 5, so that a low-pressure state is formed in the suction pipe 5 for sucking the crops.
The structure of the suction pipe 5 is as follows: the cross section of the suction pipe 5 is circular, the inner diameter of the suction pipe 5 is gradually reduced from top to bottom and then gradually increased, and the diameter of the minimum part of the diameter of the suction pipe 5 is 100-110 mm, so that crops can be sucked into the suction pipe 5, and the crops can fall down from the suction pipe 5 under the action of suction force after being cut. The inner diameters of the bottom end and the top end of the suction pipe 5 are the same and are both larger than 110mm, so that the suction pipe 5 is in a hyperbolic curve shape, the suction pipe 5 in the form can pump out air in the middle part under lower suction force, energy consumption is reduced, the inner wall is smooth, and transition is stable. In practice, the material of the straw 5 can be PP plastic.
The power unit includes the air exhauster of being connected with straw 5, and the air exhauster is 12V centrifugal air exhauster in this embodiment, and the manufacturer is: shanghai green automation equipment, Inc.
Cutting portion includes handle 1, and handle 1 is the cuboid form, is provided with 5 archs 2 on the handle 1, and 2 levels in the arch set up, and 5 archs 2 distribute along the direction of height in proper order, and every arch 2 all is into the banding. A handheld gap 3 is reserved between the adjacent bulges 2, wherein the bulges 2 are in the shape of human finger. When the hand-held device is used, the fingers are sequentially placed into the corresponding hand-held gaps 3, the stability of the hand-held part can be realized under the condition of smaller hand-held force, and the labor intensity is reduced.
The handle 1 is connected with an installation block 4, and a suction pipe 5 is arranged in the installation block 4 in a penetrating way.
The mounting block 4 is provided with a blade, the blade comprises a fixed blade 6 fixedly connected with the handle 1 and a moving blade 7 arranged in cooperation with the fixed blade 6, the fixed blade 6 and the moving blade 7 are both arranged above the suction pipe 5, and the moving blade 7 moves in the horizontal direction.
In order to ensure the movement of the movable blade 7, the cutting part further comprises an electromagnetic relay 8, the electromagnetic relay 8 comprises a coil 10 and an armature 12, the armature 12 is arranged above the coil 10, the coil 10 is connected to the fixed seat 9, a compression spring 11 is further connected to the fixed seat 9 in a position parallel to the coil 10, and the top end of the compression spring 11 is connected with the armature 12. The armature 12 is disposed toward the coil 10. The end of the armature 12 is connected to the moving blade 7.
When the armature 12 and the coil 10 are not attracted, the moving blade 7 moves above the suction pipe 5 towards the fixed blade 6, so that the crop positioned in the suction pipe 5 is cut off from the stem thereof, and the crop is picked. When the armature 12 is pulled down by the coil 10, the fixed blade 6 and the moving blade 7 are respectively positioned at two sides above the suction pipe 5,
in order to realize the automatic operation of the armature 12, a pressure sensor is arranged in the suction pipe 5, the pressure sensor is a resistance strain gauge type pressure sensor, and a control part is connected to the pressure sensor.
The control unit includes a processor and a relay drive circuit.
The processor is a single chip microcomputer U1 with the model number of STC12C5A60S 2.
The single chip microcomputer U1 is connected with a reset circuit, a crystal oscillator circuit and a power supply circuit, and the minimum system of the single chip microcomputer U1 is mature in the prior art and is not described in detail.
The signal output end of the pressure sensor is connected with the AD conversion circuit, the signal output end of the AD conversion circuit is connected with the signal input end of the single chip microcomputer U1, the signal output end of the single chip microcomputer U1 is connected with the relay drive circuit, and the relay drive circuit drives whether the coil of the relay 8 is electrified or not.
Among them, the resistive strain gauge type pressure sensor is a mature prior art, and the pressure on the diaphragm makes the bridge unbalanced, thereby generating a differential output signal.
Wherein the pressure sensor includes a diaphragm and a pressure sensor circuit connected to the diaphragm.
The pressure sensor circuit includes a power circuit, a bridge circuit, and an amplification circuit.
The power supply circuit comprises a direct-current power supply, a first voltage-dividing resistor R1, a second voltage-dividing resistor R2, a first filter capacitor C1 and a first operational amplifier U2, wherein one end of the first voltage-dividing resistor R1 is connected with the direct-current power supply, the other end of the first voltage-dividing resistor R1 is connected with the non-inverting input end of the first operational amplifier U2, and the non-inverting input end of the first operational amplifier U2 is grounded through the first filter capacitor C1. The non-inverting input of the first operational amplifier U2 is also connected to ground through a second voltage divider resistor R2. The inverting input terminal of the first operational amplifier U2 is connected to the output terminal of the first operational amplifier U2, and the output terminal of the first operational amplifier U2 is connected to the bridge circuit.
The bridge circuit comprises a first bridge resistor R3, a second bridge resistor R4, a third bridge resistor R5, a fourth bridge resistor R6 and a slide rheostat RP, wherein the output end of the first operational amplifier U2 is connected with the first bridge resistor R3, the fourth bridge resistor R6 and the sliding end of the slide rheostat RP; the second bridge resistor R4 and the third bridge resistor R5 are respectively connected with two ends of the slide rheostat RP; the second ends of the first bridge resistor R3 and the second bridge resistor R4 are connected and then connected with the first end of the diaphragm MP; the second ends of the third and fourth bridge resistors R5 and R6 are connected to the second end of the diaphragm MP.
The diaphragm MP is connected with an amplifying circuit, the amplifying circuit comprises a third voltage dividing resistor R8, a fourth voltage dividing resistor R9 and a second operational amplifier U3, the non-inverting input end and the inverting input end of the second operational amplifier U3 are respectively connected with the first end and the second end of the diaphragm MP through the third voltage dividing resistor R8 and the fourth voltage dividing resistor R9, and the inverting input end of the second operational amplifier U3 is further connected with the output end of the second operational amplifier U3.
The output end of the second operational amplifier U3 is connected with the AD conversion circuit.
The AD conversion circuit is used for converting the electric signal output by the pressure sensor into a digital signal, wherein the AD conversion circuit comprises an AD conversion chip U4 (model number is ADC 0808).
The output end of the second operational amplifier U3 is connected to the analog input pin (pin IN 0) of the AD conversion chip U4, and the digital output pin (pin AD 0) of the AD conversion chip U4 is connected to the signal input end (pin P1.0) of the singlechip U1.
The A, B, C address input line (pin A, B, C) of the AD conversion chip U4 is grounded.
The signal output end of the singlechip U1 is connected with a relay driving circuit and a relay driving circuit to drive the armature of the relay to act.
Pressure sensor is used for detecting the pressure in the straw 5, and when crops entered into in the straw 5, the pressure in the straw 5 can change, and pressure sensor transmits the signal that detects to singlechip U1, and singlechip U1 compares pressure sensor's signal and threshold value, when judging that pressure reduces, outputs the low level to relay drive circuit.
The relay drive circuit obtains that the low level armature is bounced open by the coil of relay 8, and in this process, armature drive moving blade 7 moves towards fixed blade 6, and in the in-process that moves, crops and its stem are cut apart, and crops drop in straw 5.
After the crops fall, the pressure in the suction pipe 5 is recovered to be normal, and the single chip microcomputer U1 receives the change and outputs high level to the relay driving circuit.
The relay driving circuit obtains a high-level armature which is attracted to the coil X under the action of the compression spring, and the armature drives the movable blade 7 to move towards the direction far away from the fixed blade 6.
Then picking of the next crop is performed, circulating in sequence.
The lower part of the suction pipe 5 is connected with a collecting barrel in a screwed mode, and the collecting barrel is used for collecting crops.
The exhaust fan is arranged at the bottom in the collecting barrel, and an air outlet is arranged on the bottom surface of the collecting barrel in a manner of matching with the exhaust fan; a grid plate is arranged above the collecting barrel and is horizontally connected into the collecting barrel.
The crops that inhale in the straw 5 are cut off the back, enter into the collecting vessel through straw 5 in, and the grid plate of collecting vessel can guarantee that the wind of taking out passes through and crops are kept apart on it, when the collecting vessel is filled with crops, unscrew the collecting vessel from straw 5, pour out crops can.
The handle 1 is provided with a button switch and a power supply; the power supply supplies power to the exhaust fan; the button switch is connected in series with a power circuit of the exhaust fan, wherein the power supply is a direct current power supply.
The power supply can be ensured to be connected with the exhaust fan by pressing the button switch.
Example 2, this example is different from example 1 in that the crop in this example is rose, the size of the rose head is 80 to 90mm, and the size of the smallest inner diameter part of the suction pipe 5 is 90 to 100 mm. The inner diameters of the bottom end and the top end of the suction pipe 5 are the same and are both larger than 100 mm.
During the work, with straw 5 to crops, press button switch, make the air exhauster work, the air exhauster inhales crops in the straw 5, the pressure in the straw 5 changes, pressure sensor detects the pressure in the straw 5, and transmit the pressure that detects to singlechip U1, singlechip U1 is according to received pressure and the comparison output signal of threshold value to relay drive circuit, make the armature of electromagnetic relay 8 drive the action of removal blade 7, removal blade 7 passes through the cutting separation with crops and stem when the action, final crops fall into in the straw 5, and get into and collect in the collecting vessel.
The device of quick results flower can realize the quick results of crops, can not cause the injury to picker and picking thing itself at the in-process of results, simple structure, convenient to use only need take the device to aim at picking the thing alright easily with it picks on hand when using, labour saving and time saving has compensatied this type of crops of flower mechanized the not enough of aspect of picking.
The invention also discloses a method for rapidly harvesting flowers by using the device for rapidly harvesting flowers, which sequentially comprises the following steps as shown in figure 7:
1) approaching the flower; in the process of approaching the flower, the distance between the flower and the top end of the suction pipe is less than 100 mm; the distance between the flower and the top end of the straw is controlled to be less than 100mm, so that the probability that impurities such as leaves enter the straw can be reduced as much as possible, and the problem of high labor intensity of a human body when the straw is lifted too high is also avoided.
On the other hand, the distance between the flower and the top end of the suction tube is controlled within 100mm, and the extensible range of most flowers and stems is considered, and the length of 100mm is the length of the stem which can be extended under the action of suction. By controlling this length, injury to the stem is also avoided.
In addition, for the dimensions of the straw: the inner diameter of the suction pipe is gradually increased from top to bottom and then gradually reduced, wherein the inner diameters of the top end and the bottom end of the suction pipe are the same; the value at the minimum of the inner diameter of the straw when the harvested flower is a chrysanthemum: 90 to 100. When the harvested flowers are rose flowers, the value at the minimum inner diameter of the suction pipe is as follows: 100 to 110mm
2) Sucking the flower into a suction pipe; negative pressure exists in the suction pipe, and the negative pressure in the suction pipe sucks the flowers into the suction pipe; the method for forming negative pressure in the suction pipe comprises the following steps: the air exhauster work at the straw bottom is constantly taken out the wind in the straw to make the straw form the negative pressure, finally realize inhaling purpose wherein with the flower, it is efficient, low in labor strength.
Wherein the negative pressure in the suction pipe is 300-. This negative pressure both can realize the absorption of flower, can avoid again causing the injury to the flower, if the petal on the too big flower of negative pressure has the risk that drops, can't absorb the flower if suction undersize.
3) Sensing the flower to be sucked; the method for sensing the flower suction comprises the following steps: and judging whether the pressure change speed in the straw exceeds a threshold value. The formula for judging whether the change speed of the pressure in the straw exceeds the threshold value in the step is as follows: δ N = Nt-Nt-0.3, δ N =0.3MPa, where δ N is the change speed of the pressure in the straw; nt is the pressure in the suction pipe at the tth second; nt-0.3 is the pressure in the straw at the t-0.3 second. In the process of flower harvesting, the step is important and is the key for realizing the quick harvesting of the flowers. As shown in Table 1, if the time interval between the two time periods before and after the detection is short, the specific volume is easy to sense the existence of the flower, so that the flower is blocked in the straw and cannot come out; if the time is too long, the harvesting efficiency is seriously influenced; multiple tests prove that the time interval of front and back pressure detection is 0.3s, which is the optimal time, leaked flowers are not easy to appear, and the harvesting efficiency is higher.
Table 1: relationship between pressure detection interval time and flower integrity and harvesting speed
4) Cutting off the flower and the stem; and when the flower is judged to be sucked, the movable blade moves towards the fixed blade, so that the flower and the stem are cut off to obtain the flower. After the flowers are sensed to be sucked, the single chip microcomputer outputs signals, so that the armature iron is separated from the coil, the movable blade moves towards the direction of the fixed blade, and finally the flowers are cut.
5) Collecting the cut flowers together; continuously sucking down the flowers separated from the stems in the step 4) by a straw, and collecting the flowers in a centralized manner.
6) Repeat step 1).
The method for rapidly harvesting the flowers can realize rapid harvesting of the flowers; impurities are not easy to be mixed; meanwhile, due to the control of the pressure and the inner diameter size of the suction pipe, the flowers are not easily damaged, the integrity of the flowers can be guaranteed, meanwhile, the cut flowers can be quickly stretched, and the shapes of the flowers are effectively protected.
Claims (10)
1. Device of quick harvest flower, its characterized in that: including cutting part and the suction part that links to each other with cutting part, suction part includes the straw of power pack and vertical setting, and the gas in the straw is absorb to the power pack, and cutting part includes the handle and connects the blade on the handle, and the straw links to each other with the handle, and the blade includes the removal blade that sets up with fixed blade of handle fixed connection and cooperation fixed blade, and fixed blade and removal blade set up in the straw top, and remove the blade and move on the horizontal direction.
2. The device for rapidly harvesting flowers according to claim 1, characterized in that: the cutting part also comprises an electromagnetic relay, the electromagnetic relay comprises a coil and an armature, the armature is arranged above the coil, and a compression spring is connected to the connecting end of the armature; the free end of the armature is connected with the moving blade.
3. A device for rapid harvesting of flowers according to claim 2, characterized in that: a pressure sensor is arranged in the suction pipe, a control part is connected to the pressure sensor, and the control part comprises a processor and a relay drive circuit; the signal output end of the pressure sensor is connected with the signal input end of the processor, the signal output end of the processor is connected with the relay driving circuit, and the relay driving circuit drives whether the coil of the relay is electrified or not.
4. A device for rapid harvesting of flowers according to claim 3, characterized in that: the pressure sensor circuit comprises a power supply circuit, a bridge circuit and an amplifying circuit; the power supply circuit is connected with the bridge circuit, the signal output end of the bridge circuit is connected with the amplifying circuit, the signal output end of the amplifying circuit is connected with the AD conversion circuit, and the signal output end of the AD conversion circuit is connected with the signal input end of the processor.
5. A device for rapid harvesting of flowers according to claim 4, characterized in that: the power unit comprises an exhaust fan connected with the suction pipe.
6. A device for rapid harvesting of flowers according to claim 5, characterized in that: a collecting barrel is screwed below the suction pipe, an exhaust fan is arranged at the bottom in the collecting barrel, and an air outlet is arranged on the bottom surface of the collecting barrel in a manner of matching with the exhaust fan; a grid plate is arranged above the collecting barrel and is horizontally connected into the collecting barrel.
7. A method of rapidly harvesting flowers using the apparatus for rapidly harvesting flowers of claim 1, wherein: the method comprises the following steps in sequence:
1) approaching the flower; in the process of approaching the flower, the distance between the flower and the top end of the suction pipe is less than 100 mm;
2) sucking the flower into a suction pipe; negative pressure exists in the suction pipe, and the negative pressure in the suction pipe sucks the flowers into the suction pipe;
3) sensing the flower to be sucked; the method for sensing the flower suction comprises the following steps: judging whether the pressure change speed in the straw exceeds a threshold value;
4) cutting off the flower and the stem; when the flower is judged to be sucked, the movable blade moves towards the fixed blade, so that the flower and the stem are cut off, and the flower is obtained;
5) collecting the cut flowers together; continuously sucking down the flowers separated from the stems in the step 4) by a suction pipe, and collecting the flowers in a centralized manner;
6) repeat step 1).
8. Method for the rapid harvesting of flowers according to claim 7, characterized in thatIn the following steps: the formula for judging whether the change speed of the pressure in the straw exceeds the threshold value in the step 3) is as follows: δ N = Nt-Nt-0.3δ N =0.3Mpa, where δ N is the rate of change of pressure within the straw; n is a radical oftThe pressure in the straw at the tth second; n is a radical oft-0.3The pressure in the pipette is t-3 seconds.
9. The method of rapidly harvesting flowers of claim 8, wherein: the negative pressure in the suction pipe is 300-400 mmHg.
10. The method of rapidly harvesting flowers of claim 9, wherein: the inner diameter of the suction pipe is gradually increased from top to bottom and then gradually reduced, wherein the inner diameters of the top end and the bottom end of the suction pipe are the same; the value at the minimum of the inner diameter of the straw is: 90-110 mm.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111602508A (en) * | 2020-06-11 | 2020-09-01 | 河南省中谦电力发展有限公司 | Negative-pressure crop picking machine and negative-pressure crop picking method using same |
| CN112470698A (en) * | 2020-09-08 | 2021-03-12 | 红河学院 | Induction type semi-automatic pseudo-ginseng flower picking machine |
-
2020
- 2020-01-14 CN CN202010035854.9A patent/CN111108908A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111602508A (en) * | 2020-06-11 | 2020-09-01 | 河南省中谦电力发展有限公司 | Negative-pressure crop picking machine and negative-pressure crop picking method using same |
| CN112470698A (en) * | 2020-09-08 | 2021-03-12 | 红河学院 | Induction type semi-automatic pseudo-ginseng flower picking machine |
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Effective date of registration: 20200731 Address after: 467000 Tongzhang Village, Beidu Town, Zhanhe District, Pingdingshan City, Henan Province Applicant after: Henan Zhongqian Electric Power Development Co., Ltd Address before: 467000, south section, future road, Xincheng District, Henan, Pingdingshan Applicant before: PINGDINGSHAN University |