CN2089699U

CN2089699U - Electronic worm killer for agriculture

Info

Publication number: CN2089699U
Application number: CN 91202838
Authority: CN
Inventors: 陈连学
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-02-23
Filing date: 1991-02-23
Publication date: 1991-12-04

Abstract

The utility model relates to an electronic worm killer for agriculture, which is a device which can spray liquid through making use of alternating current. The electronic worm killer for agriculture is improved on the basis of a backpack agricultural sprayer composed of a liquid storing tank, a hydraulic pump, an air chamber, a rubber pipe, a handle and a blow gun. The electronic worm killer for agriculture is matched with a power supply and a direct current converter, wherein, the output end of the direct current converter is electrically connected with the outlet of the blow gun. Thus, the alternating voltage can be applied through the liquid with a small amount conducting medium in the liquid storing tank, the ejected liquid column can form a loop on the branches and leaves of plants, and accordingly, the purpose of killing pests can be obtained. Thus, the spray of agricultural chemicals can be completely omitted; the generation of toxic side-effects can be avoided, and the pest-killing effect can be increased.

Description

Electronic worm killer for agriculture

The utility model relates to a kind of injection apparatus, specifically a kind of device of alternation electrical method atomizing of liquids.

Existing various agroatomizers are to utilize the toxicity of agricultural chemicals to realize the deinsectization plant protection mostly, and this toxicity has also produced harm in various degree to the mankind in kill pests.The deinsectization method that how can deinsectization has no side effect again and produce is the problem that people fail effectively to be resolved in exploration always.CN86205621 number " electrostatic atomizer " patent is the chemical spray device of a kind of HV generator and the supporting composition of sprayer, this device is in the ejection soup, the output high-pressure electrostatic, make negative electrical charge on the droplet band of soup, and positive charge is by metallic bond ground connection, thereby the generation electrostatic field eliminates destructive insects.The realization of this device deinsectization function, main still based on agricultural chemicals, and only supporting use on the sprayer of WFB-18AC type etc., fundamentally do not solve the problem of agricultural chemicals toxic and side effect on the one hand, not too be adapted on the other hand on the agroatomizer of a large amount of backpacks of using in present rural area or manual type.Knapsack sprayer commonly used, its structure is that hydraulic pump is housed in liquid storing barrel, the output port of hydraulic pump communicates with air chamber, air chamber connects sebific duct, sebific duct is connected with spray gun, and fixedly pole connection handle is passed through in the liquid storing barrel outside, has connecting rod to be connected with the plunger of hydraulic pump on the handle, drive hydraulic pump works by handle motion, ejection medicine mist.

The purpose of this utility model just provides a kind of in addition improved on knapsack sprayer, new-type electronics insect killer by the alternating voltage kill pests, to solve the harm of agricultural chemicals toxic and side effect to the mankind.

The utility model is achieved in that on backpack agroatomizer (as workers and peasants' 16 types, 17 types) original structure and is improved, attaching power supply and DC converter, the output of DC converter keeps being electrically connected with the spray gun outlet, DC converter becomes alternating voltage with dc source, and connection spray gun outlet, make the continuous fine water column of spray gun ejection charged, the insect electric shock that is injected on plant leaf blade or the fruit is killed.

Below in conjunction with accompanying drawing the utility model is further described.

Fig. 1 is an appearance assumption diagram of the present utility model;

Fig. 2 is the rearview of Fig. 1;

Fig. 3 is the device vertical view of throwing off behind the top cover;

Fig. 4 is the sectional structure schematic diagram of this device;

Fig. 5 is that the A-A of Fig. 4 is to cutaway view;

Fig. 6 is that the B-B of Fig. 4 is to cutaway view;

Fig. 7 is the spray gun structure schematic diagram;

Fig. 8 is the electrical schematic diagram of this device.

This bug killing equipment contour structures is basic identical with common backpack agroatomizer form, for no other reason than that will form the electric liquid stream of two opposed polarities in the spray gun exit, has been equipped with two cover sebific duct, air chamber and hydraulic pumps, in case liquid conduction short circuit in device for this reason.In Fig. 1,2, liquid storing barrel 1 camber can be by plastic blow molding, and

hydraulic pump

2,3 is equipped with near an end place in portion within it, and hydraulic pump can be selected the single tube plunger pump for use, and air chamber 4,5 passes barrel wall and hydraulic pump joins.The delivery outlet of air chamber connects sebific duct 6,7, two sebific ducts and all is connected with spray gun 8, and an end of handle 10 is connected and fixed pole 9, and fixedly strut fixation is on the bucket wall.Connect a connecting rod 11 at handle middle part, the other end of connecting rod 11 is connected with plunger on the

hydraulic pump

2,3 respectively, can drive two plungers and move simultaneously by the pressing up and down of handle like this.At the top of liquid storing barrel 1 jut is arranged, on top cover 16 is arranged, in power supply 19 and DC converter 14(are housed as shown in Figure 3), the output of DC converter keeps being electrically connected with the spray gun outlet.

For making this device safe and reliable, the best supporting use of liquid storing barrel and hydraulic pump, promptly a hydraulic pump is contained in the liquid storing barrel, perhaps whole liquid storing barrel is divided into two, and is more convenient for like this using.Shown in Fig. 5,6, there is a dividing plate 15 that liquid storing barrel is separated into two bodies in liquid storing barrel inside, respectively have a

liquid injection port

12,13 in the jut office at bucket top, there is lid 17,18 to tighten on each liquid injection port respectively.There is a hydraulic pump to be connected in each liquid storing barrel cavity with air chamber.Air chamber can be installed on liquid storing barrel inside, and the outside of this sampling device is clean and tidy.But for enlarging the liquid storing barrel service efficiency, air chamber is contained in the liquid storing barrel outside, by the fixed mount 20 clampings location (as shown in Figure 4) that are connected with the bucket wall.

For avoid liquid before ejection, have contact may, two-way fluid passage (as shown in Figure 7) is also arranged in spray gun inside, each passage connects a sebific duct, on connect an air chamber.Each passage has at least one outlet at the shower nozzle place of spray gun, such purpose is in order to increase electric feeder number, improves the deinsectization effect, generally be advisable with every passage 2-5 outlet, and wiring complexity at most again, and limit by shower nozzle size and air chamber pressure.On the handle of spray gun 8, the ball valve switch 21 of controlled two paths also is housed, be convenient to operation like this, and designs simplification, also can if respectively switch is contained in the air chamber outlet.On each channel outlet of spray gun, all be fixedly connected with sheet metal 22, the two poles of the earth of DC converter output respectively with all outlet ports of two paths on sheet metal join, thereby realize being electrically connected and conducting electrical currents on the fluid column of shower nozzle place ejection.The channel outlet internal diameter is advisable between the 0.2-1.5 millimeter, to guarantee that fluid column is sprayed onto on the object continuously.

This device can not directly connect alternating current because of being to bear mobile operation, so do power supply with dry cell or accumulator, therefore equipped again DC converter is transformed to alternating voltage output with direct current.DC converter has various ways all can use, and is simplified structure, reduces cost, and can select astatic multivibrator for use, and its structure as shown in Figure 8.Multivibrator is made up of triode BG, high frequency transformer B, shunt capacitance C1 and biasing resistance R, the colelctor electrode of triode BG connects transformer L1 and capacitor C 2, base loop series transformer primary coil L2 and biasing resistance R, power supply E negative pole is on transistor emitter, and join serial connection capacitor C 3 in the transformer secondary output output loop with coil L2 by capacitor C 1.When closing a switch K, by resistance R biasing and make the triode conducting, because the effect of positive feedback, triode is very fast to be ended by saturated transferring to.Repeat said process later on, constantly conversion induced potential polarity just obtains alternating voltage on secondary coil L3.The effect of capacitor C 3 is to prevent that induced-current from being unidirectional pulsation shape.

For further facilitating operation, also power switch 24 can be arranged on (Fig. 7) on the spray gun handle, the selector button construction of switch, switch is connected on the DC converter by lead 23, easy to maintenance for changing the part dismounting, socket can be set on liquid storing barrel, cooperate by pegging graft to make DC converter and spray gun keep being electrically connected.Also simple charger can be fitted on the battery feed, realize directly charging.

The utility model applies alternating voltage by the liquid that is added with a small amount of conducting medium to splendid attire in liquid storing barrel, makes the fluid column of ejection form the loop on object, thereby reaches the purpose of kill pests.Can save the sprinkling of agricultural chemicals so fully, avoid the generation of toxic and side effect, and insecticidal effect can significantly improve,, killing action be arranged equally for the insect that often is in below the blade because, make whole blade charged by on plant leaf, constituting electric loop.Utilize and also can on branches of tall trees sprayer or engine-driven atomiser, reequip electronic installation as a same reason, make it to be used for the deinsectization of industry of planting forest or fruit tress.

Claims

1, a kind of agricultural electronics insect killer, hydraulic pump is housed in the liquid storing barrel, the output port of hydraulic pump is connected with air chamber, air chamber connects sebific duct, sebific duct is connected with spray gun, and fixedly pole connection handle is passed through in the liquid storing barrel outside, has connecting rod to be connected with the plunger of hydraulic pump on the handle, it is characterized in that also being equipped with on this insect killer power supply and DC converter, the output of DC converter keeps being electrically connected with the spray gun outlet.

2, insect killer according to claim 1 is characterized in that liquid storing barrel inside has a dividing plate that liquid storing barrel is separated into two bodies, respectively has a liquid injection port at the bucket top, has a hydraulic pump to be connected with an air chamber in each liquid storing barrel cavity.

3, insect killer according to claim 1 and 2 is characterized in that air chamber in the liquid storing barrel outside, by the fixed mount clamping location that is connected with the bucket wall.

4, insect killer according to claim 1 and 2 is characterized in that there is the two-way fluid passage spray gun inside, and each passage connects a sebific duct, on connect an air chamber, passage has at least one outlet at the shower nozzle place.

5, insect killer according to claim 4 is characterized in that being equipped with on the spray gun handle ball valve switch of controlled two paths.

6, insect killer according to claim 4 is characterized in that all being connected with sheet metal on the every channel outlet of spray gun, and the two poles of the earth of DC converter output are connected with sheet metal on all outlet ports of two paths respectively.

7, insect killer according to claim 1 is characterized in that DC converter is an astatic multivibrator.

8, insect killer according to claim 7, it is characterized in that astatic multivibrator is made up of triode BG, high frequency transformer B, shunt capacitance C1 and biasing resistance R, the colelctor electrode of triode BG connects transformer L1 and capacitor C 2, base loop series transformer primary coil L2 and biasing resistance R, power supply E negative pole is connected on the transistor emitter, and join serial connection capacitor C 3 in the transformer secondary output output loop with coil L2 by capacitor C 1.