CN2448109Y - Electric heating fumigator - Google Patents

Abstract

The utility model relates to an electric heating fumigator for fumigating pesticide, which comprises a housing (1), an axial flow fan (2), a heating plate (8), an insulation cup (7), soleplate air inlet holes (5), a temperature measuring element (13), a pharmaceutical container (12), a chamber partition plate (6), a panel (9), a main control circuit board (10), an optional movable cover plate (14), and a transverter (11) which can be arranged inside or outside the utility model.

Description

Electrothermal fumigator

The utility model relates to the electrothermal fumigator that is used for stifling agricultural chemicals.

Disclose some in the prior art and be used for the electroheating fumigating device of stifling agricultural chemicals, for example, disclose a kind of electrically heated fumigator among GB1 601 095A, it adopts the porous medicament that the heated air flow that rises will contain pyrethroid insecticides to be heated to 200-430 ℃, with rapid volatile active composition.

CN99248238.0 discloses a kind of electroheating fumigating device, it can be heated to the agricultural chemicals in the Heating Cup 200-350 ℃ temperature, and the rapid evaporation agricultural chemicals makes agricultural chemicals in airtight space, in the short relatively time, reach high relatively concentration, thereby realize excellent fumigating effect.

But above-mentioned electrically heated fumigator still can not be satisfactory under higher temperature, bigger dosage condition and at aspects such as control temperature and evaporation dose, overheated automatic protections.

At the deficiencies in the prior art,, developed a kind of electrothermal fumigator that has the novelty of axial flow blower, so finished the utility model through concentrating on studies.

The utility model provides a kind of electrothermal fumigator that is used for stifling agricultural chemicals, described electrothermal fumigator mainly by shell (1), axial flow blower (2), heat insulation cup (7), heating plate (8), control panel (9), main control board (10), can be internal or external AC/DC convertor (11), medicine container (12) and temperature element (13) form.Complete machine inside is divided into two cabins: first heating compartment, be fixed with axial flow blower (2), heat insulation cup (7), heating plate (8), the cabin base plate is opened base plate fresh air inlet (5), and supply socket (3) and start button (4) can be installed in the side plate outside, and the top is equipped with optional removable cover (14); Another is the control cabin, inside be equipped with control circuit board (10), can be internal or external AC/DC convertor (11), cabin top is equipped with control panel (9), control panel (9) is equipped with display screen and button.

In the utility model, shell (1) can be selected steel plate, aluminium sheet, the copper coin of 0.8mm-2mm for use by sheet metal machine-shaping, preferred steel plate, optionally removable cover (14) is by the materials processing moulding identical or different with shell, is connected with shell and can adopts hinge or clamping.

Heat insulation cup (7) is the stainless steel or the aluminum barrel of equal opening up and down, between heating plate (8) is fixed therein, reaches up and down and all stay the gap on every side, guarantee smooth and easy the passing through of blowing of axial flow blower (2), and heating part and other parts are isolated, prevent that the other parts temperature is too high.

Axial flow blower (2) is used for the medicine steam of heating is blowed in the air, accelerates the volatilization of medicament.Be fixed on heat insulation cup (7) bottom, blowing direction makes progress, and axial flow blower (2) can be selected for use and the similar small-sized axial flow fan of heat insulation cup (2) bore, can adopt power supply modes such as 6VDC, 12VDC, 24VDC, 220VAC, preferred 12VDC or 24VDC power supply.

Heating plate (8) is optional can be that direct current supply also can be Alternating Current Power Supply with the various heaters of power greater than 10W, and preferred Alternating Current Power Supply and power are greater than the electrical heating heater of 500W.

Temperature element (13) closely is fixed on below the heating plate (8), is used to monitor heating plate (8) temperature.Temperature element (13) can be selected thermocouple or RTD for use, fixing can adopt mode such as bonding, crimping or adopts simultaneously.

Medicine container (12) holds the medicament that is used to evaporate, and can select for use materials such as copper, aluminium, stainless steel to make, preferred aluminium or copper.During use medicament is put into container, container is lain on the heating plate (8) then.

AC/DC convertor (11) is transformed to used direct current with 220VAC, can select analog power, Switching Power Supply, modular power source or external power supply for use.Preferred Switching Power Supply.

Display screen on the control panel (9) is used for display working condition, for example operating temperature, design temperature, delay time etc.Can be that LED or LCD show, the smart display screen of preferred LCD liquid.

Control panel (9) is gone up design and is useful on the button of setting duty, and preferred band touches the film face-plate of button.

Control circuit board (10) is formed: single-chip microcomputer, temperature element interface circuit, A/D change-over circuit, overheating protection circuit, heating plate and power control circuit, button and display interface circuit.Wherein the available kind of single-chip microcomputer is a lot, preferred pin below 20 pin, single-chip microcomputer that the pin drive current is big; The temperature element interface circuit design cooperates the selection of temperature element; The A/D change-over circuit can be selected the device of 12 or 10, serial or parallel, preferred 10 bit serial interface for use; Overheating protection circuit is made up of auxiliary temperature element and level comparator, is used for cutting off heating plate (8) power supply automatically in case cause danger when the control runaway temperature is too high; The control of heating plate (8) can be adopted relay, solid-state relay, controllable silicon, preferably with the controllable silicon of zero cross fired.

Electrothermal fumigator of the present utility model can be used for fumigating the desinsection of various routines and the fumigant of sterilization, no matter it is the preparation that has prepared, or its active component itself, no matter also it is solid or liquid.

The fumigant of described routine for example is, permethrin, cypermethrin, tetramethrin, ether chrysanthemum ester, decis, dextrorotation cyphenothrin, d-phenothrin, cyfluthrin, Cyhalothrin, chlorophos, tpn, triazolone, procymidone etc.

Electrothermal fumigator of the present utility model can promptly be heated to the medicament in the container for example 200 ℃-500 ℃ of temperature more than 200 ℃, the rapid evaporation medicament, make medicament in confined space, in the short relatively time, reach quite high concentration, thereby realize excellent fumigating effect, for example, at short notice, pyrethroid insecticides is volatilized in a large number, reach the effect of knocking down fly, mosquito, cockroach rapidly.

Heating fumigating device of the present utility model can be set evaporating temperature, evaporation time as required, can select the best fumigation temperature of different medicaments, reach the optimal evaporation effect, can be at different environments for use, for example space size, ventilative situation, insect pest situation are set the medication evaporation discharge, reach optium concentration.

Electrothermal fumigator power supply of the present utility model control can adopt direct gauge tap machine of power switch or manual boot-strap and auto-shut-off etc. mode.The preferred manual automatic shutdown mode of starting shooting.In this manner, after setting-up time finishes, stop heating, but axial flow blower continues blowing, continue monitoring heating plate temperature simultaneously, after temperature is lower than a safe temperature, cut off the machine general supply again.

The utility model device has following characteristics:

1. Jia Re temperature can be up to more than 500 ℃.

2. it is big to drop into dose, and the unit interval, stifling dose was big.

3. there is axial flow blower the heating plate below to up-draught, and the space that can be used for preventing and treating is big.

4. fumigation time and fumigation temperature are controlled, and the evaporation dose is controlled, is applicable to varying environment.

5. be provided with overheated automatic protection, automatic shutdown function, safe in utilization.

Electrothermal fumigator of the present utility model is adapted at being used to prevent and treat sanitary insect pest in household, the restaurant etc., also can be used for green house, is used for prevention and elimination of disease and pests.

Below in conjunction with accompanying drawing, describe preferred forms of the present utility model in detail.

Fig. 1 is the utility model electrothermal fumigator sectional view.

As seen from the figure, electrothermal fumigator comprises shell (1), axial flow blower (2), base plate fresh air inlet (5), cabin dividing plate (6), heat insulation cup (7), heating plate (8), panel (9), main control board (10), medicine container (12) and temperature element (13), optional removable cover (14) and supply socket (3), power on switch (4), AC/DC convertor (11) that can be external or built-in.

Complete machine inside is divided into two cabins: first heating compartment, be fixed with axial flow blower (2), heat insulation cup (7), heating plate (8), the cabin base plate is opened base plate fresh air inlet (5), and supply socket (3) and start button (4) can be installed in the side plate outside, and there is optional removable cover (1) top; Another is the control cabin, inside be equipped with control circuit board (10), can be internal or external AC/DC convertor (11), cabin top is equipped with control panel (9), control panel (9) is equipped with display screen and button.

In the utility model electrothermal fumigator, the mobilizable medicine container (12) that is not fixed places heating plate (8) surface, directly contact with heating plate (8), heating plate (8) and axial flow blower (2) are fixed together with heat insulation cup (7), and be fixed on the support that is welded in housing side wall by heat insulation cup (7), place cabin central authorities, temperature element (13) is fixed on heating plate (8) bottom surface, its lead and heating plate (8), the wire guide that the lead of axial flow blower (2) passes thermal insulation board (6) together is connected on the main control board (10), the lead of supply socket (3) and power on switch (4) is connected on the main control board (10) by the wire guide of thermal insulation board (6), optionally removable cover (14) connects on the shell (1) with the form of hinge, panel (9) is fixed on shell (1) upper surface, lead links to each other with main control board (10), main control board (10) is fixed on the chassis backplane, and the lead of AC/DC convertor (11) links to each other with main control board (10).Optional removable cover (14) in opened condition during use.

Fig. 2 is the principle composition frame chart of electrothermal fumigator of the present utility model.

Below in conjunction with Fig. 1 and Fig. 2 its course of work and principle are described.At first medicament is poured into medicine container and placed on the heating plate; press power on switch; after single-chip microcomputer recognizes power on signal; the control power control circuit keeps power supply state; according to predefined default parameter or by the parameter of panel by strong manual setting; constantly gather the temperature data of temperature element and the power supply of control corresponding heating plate; so that the temperature of heating plate remains under the temperature of setting; overheating protection circuit is also in the temperature of not stopping to detect the control cabin simultaneously; when making cabin temperature too high, send alarm signal and cut off the heating plate power supply to single-chip microcomputer owing to abnormal cause.

Embodiment 1

The volatile quantity test of electrothermal fumigator of the present utility model

Set 330 ℃ of electrothermal fumigator fumigation temperatures of the present utility model, 10 minutes time, medicine container is selected the aluminium vessel of the high 10mm of internal diameter 90mm for use, adding pyrethroid insecticides before on-test is ether chrysanthemum ester, total amount is 20 grams, medicament reduction after the metering experiment, and unit of account time volatile quantity.Table 1

Gross mass (gram) (container+medicament) before the test	Gross mass (gram) (container+medicament) before the test	Volatile quantity (gram)	Unit interval volatile quantity (Grams Per Minute)
				83	72	11	1.1

Embodiment 2

The electrothermal fumigator of the present utility model roach effect of going out on the naval vessel

Materials and methods

Test material: electrothermal fumigator of the present utility model; The fumigation medicament main component is the dextrorotation cyphenothrin

Test naval vessel: 2 in naval's destroyer (3000 tons), 3 of support vessels (1000 tons, 800 tons and 500 tons).The blattaria kind all is a Groton bug on the warship.

Test method: fumigator is placed the central authorities that handle ground, cabin, and (dosage is 60mg/m to calculate dosage according to volume of compartment ³About), and set fumigation time and fumigation temperature, the ventilation of opening the cabin behind stifling the finishing airtight 2 hours.

Wire examination method: medicine swashs method.Spray with 0.3% Permanone after 24 hours with stifling before stifling, the range estimation cockroach density (only/5 minutes), the calculating killing effect.

Result of the test

1. electrothermal fumigator of the present utility model has the good roach effect of going out (seeing Table 2), and 24 hours cockroach density average rate of decrease after 5 naval vessels once use are more than 90%.Stifling after 2 hours, wherein one 3 square metres pantry picks 943 of dead roach.In the lampshade in part cabin, also pick a lot of dead roach, illustrate that this fumigator desinsection has extremely strong penetration.

2. this fumigator also has the characteristics fast of killing, and the seen almost all death of blattaria in the back of opening the cabin in stifling 2 hours can be seen a small amount of cockroach by chance and still can creep reluctantly, collects 25 of this attitude cockroaches, and conventional cultivation is all dead after 24 hours.Table 2

The naval vessel	The cabin name	Area (m 2)	Density before smoked (only/5min)	Smoked back 24h density (/ 5min)	2h picks up dead roach number (only)	Averag density decline (%) behind the 24h
							Destroyer A	The airofficer chamber	10	0	0	15	97.73
Dynamo-electric long chamber	12	27	0	150
					The medical officer chamber	15		9	0	45
The kitchen	30	8	1	43
					Destroyer B	The officer dining room		20	14	2	334	94.06
The pantry	3	48	4	943
						Large conference room	35	0	0	0
Between preparation	3	25	0	298
						Between No. 5 storings	14	3	0	36
The soldier dining room	120	11	0	79
						Landing craft	The cox chamber	3	2	0	12		87.50
Back habitation	10	3	0	20
					Telegraph instrument room		3	4	0	40
The kitchen	8	7	2	52
					Tender		Middle deck	15	3	0	45	100.00
Towboat	Crew-space	20	2	0		24							83.33
					Captain's cabin		4	4	1	37
	Add up to		325	170		10					2173	94.12

Claims (2)

1. electrothermal fumigator, it comprises shell (1), axial flow blower (2), heating plate (8), heat insulation cup (7), base plate fresh air inlet (5), temperature element (13), medicine container (12), cabin dividing plate (6), panel (9), main control board (10), optional removable cover (14), and AC/DC convertor that can be external or built-in (11), it is characterized in that, the mobilizable medicine container (12) that is not fixed places heating plate (8) surface, directly contact with heating plate (8), heating plate (8) and axial flow blower (2) are fixed together with heat insulation cup (7), and be fixed on the support that is welded in housing side wall by heat insulation cup (7), place cabin central authorities, temperature element (13) is fixed on heating plate (8) bottom surface, its lead and heating plate (8), the wire guide that the lead of axial flow blower (2) passes thermal insulation board (6) together is connected on the main control board (10), optional removable cover (14) is connected on the casing, panel (9) is fixed on casing upper surface, lead links to each other with main control board (10), main control board (10) is fixed on the casing, and the lead of AC/DC convertor (11) links to each other with main control board (10).

2. according to the electrothermal fumigator of claim 1, it is characterized in that, complete machine inside is divided into two cabins: first heating compartment, be fixed with axial flow blower (2), heat insulation cup (7), heating plate (8), the cabin base plate is opened base plate fresh air inlet (5), supply socket (3) and start button (4) can be installed in the side plate outside, and the top is equipped with optional removable cover (14); Another is the control cabin, and inside is equipped with the AC/DC convertor (11) that control circuit board (10), power supply can be external or built-in, and the top, cabin is equipped with control panel (9), and control panel (9) is equipped with display screen and button.

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