CN2099432U

CN2099432U - High frequency high voltage pulse seed treating instrument

Info

Publication number: CN2099432U
Application number: CN 91201363
Authority: CN
Inventors: 龙泉; 付显清; 沙毓聪
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-01-19
Filing date: 1991-01-19
Publication date: 1992-03-25

Abstract

The utility model relates to a high frequency high voltage pulse seed treating instrument, mainly comprising a high frequency high voltage pulse field generator and an electric field seed treating box. The high frequency high voltage pulse field generator adopts 220V AC power supply, square wave pulse can be generated via voltage reducing, rectifying, filtering, voltage stabilizing and oscillating, the high voltage can be generated via enlarging and filleting, so adjustable high voltage pulse can be got and be input into the electric field seed treating box. The utility model can treat various seeds before sowing, the vitality and unit yield of the seeds can be increased, the crops and the vegetables can be respectively increase 5%-12.1% and 20%-50%. The utility model has the advantages of small size, light weight and convenient operation and is suitable for being used in farms, forest farms and basal agricultural departments.

Description

High frequency high voltage pulse seed treating instrument

The utility model relates to a kind of to grain, oil plant, vegetables, tobacco leaf, cotton, the instrument that the seed of medicinal material and forest etc. carries out presowing treatment.

In the CN87105063.3 patent specification, disclose a kind of JZC--1 type static device for treatment of seeds, but there is following shortcoming in it:

1. weight and volume is big, the single unit system 250Kg that weighs, and volume reaches 1900 * 900 * 850 millimeters, only should promote the use of on big-and-middle-sized farm.

2. handle field intensity and realize that by the distance of adjusting between corona wire and the conveyer belt this conveyer belt is easy to generate lax and recessed phenomenon, need often to adjust, operation is trouble.

3. for keeping the electric conductivity of transport tape, need be coated with the varnish that adds 20% silver powder the surfaces externally and internally of a conveyer belt every year, and maintenance workload is bigger.

4. its maximum output voltage 20KV only can not handle some and need more seed of high voltage electric field.

The purpose of this utility model is to overcome above-mentioned shortcoming of the prior art and provides a kind of in light weight, and volume is little, and is simple to operate, the less and suitable middle-size and small-size farm of maintenance workload, the seed treatment instrument that wide farmers and Nong Ke department of basic unit use.

The purpose of this utility model reaches by following approach: the utility model mainly is made up of hf and hv pulse field generator and electric field seed treatment box.The utility model uses the 220V AC power through the 220V/24V step-down, rectification, filtering obtains direct current 24V one tunnel final stage power tube and amplifies, another road obtains 12V direct current input self-excitation multi resonant formula oscillator after transistor 7812 voltage stabilizings, produce the square-wave pulse of 4:1.5, amplify, promote the work of final stage power tube for prime, produce high pressure at the high-tension transformer secondary end, the high-voltage pulse that obtains controlled range and be 0----30KV after the silicon stack rectification is passed to electric field seed treatment box.Foregoing circuit adopts the assembling of tube printing circuit, chassis and metal corona net that electric field seed treatment box is done by the conducting metal thin plate, and wooden insulating frame, insulated column, pin and electromagnetic vibrator are formed, and metal corona net is wherein made anode, and sheet metal is made negative electrode.

Compared with prior art, the utlity model has following advantage:

1. can intensify the Physiology and biochemistry activity of plant seed germination, strengthen its growth vigor, its effect as after treatment paddy rice kind through 3 years surplus in the of totally ten a mu land for growing field crops plant experimentally, under the identical situation of all the other conditions than control group volume increase 5----12.1%, the spinach small size is planted experimentally complete stool fresh weight weightening finish 114%, tobacco leaf is emerged the weightening finish of test (three leaf seedlings) complete stool fresh weight above 100%, and the cigarette seedling does not have yellow leaf, sick leaf, leaf is plump big, tone is bud green, and the thick root of root is long, and Miao Qimiao is strong.

2. complete machine weight 5Kg only, volume is little, is easy to carry, and is easy to operate, is suitable for Nong Ke department of basic unit, middle-size and small-size farm, forest farm and wide farmers are handled seed.

3. maximum output voltage height, applied range is suitable for the processing to more plant seeds.

4. adopt netted corona wire, it is even relatively to make seed be subject to processing dosage, and effect is more reliable and stable.

5. the hf and hv pulse generator adopts the tube printing circuit, function-stable, and finishing is convenient, and instrument and processing cost are low, and economic results in society are remarkable.

Description of drawings:

Accompanying drawing 1 is a schematic diagram of the present utility model;

Accompanying drawing 2 is schematic diagrams of hf and hv pulse generator;

Accompanying drawing 3 is printed circuit diagrams of hf and hv pulse generator;

Accompanying drawing 4 is front views of electric field seed treatment box;

Accompanying drawing 5 is end views of electric field seed treatment box;

Accompanying drawing 6 is vertical views of electric field seed treatment box;

Accompanying drawing 7 is structure and circuit diagrams of electromagnetic vibrator.

The utility model describes in detail below with reference to the embodiment in the accompanying drawing:

Be schematic diagram of the present utility model as shown in Figure 1, it is made up of hf and hv pulse generator 1 and electric field seed treatment box 2, wherein 3 for being fixed on the electromagnetic vibrator on 2 the frame, 4 is netted corona wire, it is the electric field anode, 5 is the conductive metal sheet chassis, i.e. electric field negative electrode, 2 plant seeds for being subject to processing.

Accompanying drawing 2 is depicted as the schematic diagram of hf and hv pulse generator of the present utility model, and it is by power supply circuits, oscillating circuit, and amplification boostering circuit is formed.

Power supply circuits: the 220V power supply is through K switch, protective tube transformer B.Be depressured to 24V, through bridge rectifier, capacitor C ₁Obtain 24 √ 2V dc sources after the filtering, this power supply divides two-way: the one tunnel through L ₁, L ₂, BG ₄Colelctor electrode, emitter stage are extremely finished the loop, and another road is arrived+12V through 7812 voltage stabilizings of voltage stabilizing part, supply with oscillating circuit and amplifying circuit.

Oscillating circuit: by R ₁----R ₆, D ₆, D ₇, C ₃, C ₄, BG ₁, BG ₂Form self-excitation multi resonant formula oscillator, the generation interval pulse is the square-wave pulse of 4 * 10:1.5 * 10 μ s, through R ₇, W ₂Be added to BG ₃Base stage is amplified, BG ₃DC circuit be ground----B ₁Elementary----BG ₃Colelctor electrode, BG ₃Emitter stage----+12V.BG ₃Work is adjusted at cut-off state, and just allowing conducting, conducting electric current when having only 1.5 * 10 μ s pulses to arrive is 15----20mA.

Amplification boostering circuit: by BG ₄, high voltage package, ferrite, compositions such as silicon stack are worked as BG ₃The square-wave pulse of output is through potentiometer W ₁Be added to BG ₄After base stage is amplified, at secondary L ₃Produce the above high-tension current of high pressure 30KV, after rectification, supply with electric field.BG wherein ₄Also be adjusted at cut-off state, have only just conducting when 1.5 * 10 μ s pulses arrive, its conducting electric current is 150----250mA.Adjust like this two advantages are arranged: the one, make transformer, the transistor most of the time is in resting state, is unlikely heat release and burns out.The 2nd, very steep because of the edge, front and back of square-wave pulse, can produce abundant harmonic wave is the hf and hv pulse electric field of some integral multiples of first-harmonic 13.3KHZ.

Accompanying drawing 3 is printed circuit diagrams of hf and hv pulse generator, in order to monitor power supply and control output voltage, increase and adorn a light emitting diode (redness) and a 0----50V D.C. voltmeter, the original paper of accompanying drawing 2 all welds or is installed on the accompanying drawing 3 corresponding positions.

In the accompanying drawing 43 is electromagnetic vibrator, is screwed on the frame of electric field box also to make it and electric field isolation with the felt pad film.4 is the net metal corona wire, i.e. electric field anode, and 5 is conducting metal thin plate chassis, be the electric field negative electrode, 4 place on the insulated column 6, and the distance between 4 and 5 is 30mm, 7 is the electric field treatment box pin of making of insulating materials, and 8 is the peripheral frame of soaking the wooden electric field seed treatment box of insulated paint.

Accompanying drawing 7 is by power-line terminal C, D, diode 9, the line bag 10 that the enamel-covered wire of the iron core of φ 20mm and φ 0.09mm constitutes around 3700 circles, armature 11, extension spring 12, compositions such as set screw 13 and baffle plate 14.When seed that need are handled falls after on 5, earlier with C, D inserts 220V normotopia AC power, diode 9 negative half period of promptly pruning has only positive half cycle to enter the line bag and produces magnetic field suction armature and move downward, and moves upward by the extension spring traction during recovery, be fixed on 2 the wooden frame because of 3, armature moves up and down the seed in the dish is vibrated thereupon, very fast it is evenly paved, and promptly blocks power supply to 1----2 grain thickness, the positive pole of the hf and hv pulse power supply that accompanying drawing 2 is exported connects metal corona net again, negative pole connects the sheet metal dish, and with the A of accompanying drawing 2, B inserts 220V normotopia AC power, open K, then light emitting diode bright (redness) is adjusted D.C. voltmeter control turn-knob, and voltage is transferred to seed required field intensity dosage, seed is handled in timing, close K by the time limit, the seed of having handled well is poured out, this is positive electric field and handles.Positive pole as if the hf and hv pulse electric field that accompanying drawing 2 is exported connects the metallic plate dish, and negative pole connects netted corona wire, then is that negative electric field is handled.

Claims

A kind of hf and hv pulse electric field seed treatment instrument of mainly forming by hf and hv pulse field generator and electric field seed treatment box, it is characterized in that the hf and hv pulse field generator is with 220 volts of AC powers, through the 220V/24V step-down, rectification, filtering obtains 24 volt of one tunnel final stage power amplification, obtain 12 volts of direct current input self-excitation multi resonant formula oscillators after another road transistor 7812 voltage stabilizings, produce 4: 1.5 square-wave pulse, amplify for prime, promote the work of final stage power tube, produce high pressure at the high-tension transformer secondary end, the high-voltage pulse that obtains controlled range and be 0-30KV after the silicon stack rectification is passed to electric field seed treatment box, above circuit adopts the assembling of tube printing circuit, chassis and metal corona net that electric field seed treatment box is done by the conducting metal thin plate, wooden insulating frame, insulated column, electromagnetic vibrator and pin are formed, metal corona net is wherein made anode, sheet metal is made negative electrode, when the hf and hv pulse field generator is connected with the mains, press plant seed and handle polar requirement, connect the electric field seed again, handle box carries out presowing treatment to plant seed.