CN1193661C - Electrothermal fumigator - Google Patents
Electrothermal fumigator Download PDFInfo
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- CN1193661C CN1193661C CNB001212265A CN00121226A CN1193661C CN 1193661 C CN1193661 C CN 1193661C CN B001212265 A CNB001212265 A CN B001212265A CN 00121226 A CN00121226 A CN 00121226A CN 1193661 C CN1193661 C CN 1193661C
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- heating plate
- main control
- cabin
- control board
- fixed
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Abstract
The present invention 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 present invention.
Description
Technical field
The present invention relates to be used for the electrothermal fumigator of stifling agricultural chemicals.
Background technology
Disclose some in the prior art and be used for the electroheating fumigating device of stifling agricultural chemicals, for example, a kind of electrically heated fumigator is disclosed among GB 1 601 095 A, 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.
Summary of the invention
At the deficiencies in the prior art, the present inventor concentrates on studies, and has invented a kind of electrothermal fumigator that has the novelty of axial flow blower, so finished the present invention.
The invention provides a kind of electrothermal fumigator that is used for stifling agricultural chemicals, described electrothermal fumigator mainly by shell, axial flow blower, heat insulation cup, heating plate, control panel, main control board, can be internal or external AC/DC convertor, medicine container and temperature element form.Complete machine inside is divided into two cabins: first heating compartment, be fixed with axial flow blower, heat insulation cup, heating plate, and the cabin base plate is opened the base plate fresh air inlet, and supply socket and start button can be installed in the side plate outside, and the top is equipped with optional removable cover; Another is the control cabin, inside be equipped with main control board, can be internal or external AC/DC convertor, cabin top is equipped with control panel, control panel is equipped with display screen and button.
Among the present invention, shell can be selected steel plate, aluminium sheet, the copper coin of 0.8mm-2mm for use by sheet metal machine-shaping, preferred steel plate, and optionally removable cover is by the materials processing moulding identical or different with shell, is connected with shell and can adopts hinge or clamping.
Heat insulation cup is the stainless steel or the aluminum barrel of equal opening up and down, between heating plate is fixed therein, reaches up and down and all stays the gap on every side, guarantees smooth and easy the passing through of blowing of axial flow blower, and heating part and other parts are isolated, and prevents that the other parts temperature is too high.
Axial flow blower is used for the medicine steam of heating is blowed in the air, accelerates the volatilization of medicament.Be fixed on heat insulation cup bottom, blowing direction makes progress, and the small-sized axial flow fan that axial flow blower can be selected for use and heat insulation rim of a cup footpath is similar can adopt power supply modes such as 6VDC, 12VDC, 24VDC, 220VAC, preferred 12VDC or 24VDC power supply.
Heating plate 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 closely is fixed on below the heating plate, is used to monitor the heating plate temperature.Temperature element can be selected thermocouple or RTD for use, fixing can adopt mode such as bonding, crimping or adopts simultaneously.
Medicine container 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, then container is lain on the heating plate.
AC/DC convertor 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 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.
Design is useful on the button of setting duty on the control panel, and preferred band touches the film face-plate of button.
Main control board 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 the heating plate power supply automatically in case cause danger when the control runaway temperature is too high; The control of heating plate can be adopted relay, solid-state relay, controllable silicon, preferably with the controllable silicon of zero cross fired.
Electrothermal fumigator of the present invention 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 invention 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 invention 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 invention 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.
Apparatus of the present invention have 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 invention 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.
Description of drawings
Below in conjunction with accompanying drawing, describe preferred forms of the present invention in detail.
Fig. 1 is an electrothermal fumigator sectional view of the present invention.
Fig. 2 is the principle composition frame chart of electrothermal fumigator of the present invention.
Embodiment
As seen from the figure, electrothermal fumigator comprises shell 1, axial flow blower 2, base plate fresh air inlet 5, cabin thermal insulation board 6, heat insulation cup 7, heating plate 8, control panel 9, main control board 10, medicine container 12 and temperature element 13, optionally 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, and 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 main control 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 electrothermal fumigator of the present invention, the mobilizable medicine container 12 that is not fixed places heating plate 8 surfaces, 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 surfaces, 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, control 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.
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.
The volatile quantity test of electrothermal fumigator of the present invention
Set 330 ℃ of electrothermal fumigator fumigation temperatures of the present invention, 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 |
The electrothermal fumigator of the present invention roach effect of going out on the naval vessel
Materials and methods
Test material: electrothermal fumigator of the present invention; The fumigation medicament main component is the dextrorotation cyphenothrin
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 | 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 | 3 | 48 | 4 | 943 | ||
| Large conference room | 35 | 0 | 0 | 0 | ||
| Between | 3 | 25 | 0 | 298 | ||
| Between No. 5 | 14 | 3 | 0 | 36 | ||
| The soldier dining room | 120 | 11 | 0 | 79 | ||
| Landing craft | The | 3 | 2 | 0 | 12 | 87.50 |
| Back | 10 | 3 | 0 | 20 | ||
| Telegraph | 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 | 4 | 4 | 1 | 37 | ||
| Add up to | 325 | 170 | 10 | 2173 | 94.12 |
Claims (2)
1. electrothermal fumigator, it is characterized in that, 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 thermal insulation board (6), control 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, mobilizable medicine container (12) places described heating plate (8) surface, directly contact with described heating plate (8), described heating plate (8) and described axial flow blower (2) are fixed together with described heat insulation cup (7), and be fixed on the support that is welded in housing side wall by described heat insulation cup (7), place cabin central authorities, temperature element (13) is fixed on described heating plate (8) bottom surface, its lead and described heating plate (8), the wire guide that the lead of described axial flow blower (2) passes cabin thermal insulation board (6) together is connected on the main control board (10), optionally removable cover (14) is connected on the casing, described control panel (9) is fixed on casing upper surface, lead links to each other with its main control board (10), described main control board (10) is fixed on the casing, and the lead of described AC/DC convertor (11) links to each other with described 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, wherein be fixed with described axial flow blower (2), described heat insulation cup (7), described heating plate (8), the cabin base plate is offered described 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 described optional removable cover (14); Another is the control cabin, and inside is equipped with the AC/DC convertor (11) that described main control board (10), described power supply can be external or built-in, and the top, cabin is equipped with described control panel (9), and described control panel (9) is equipped with display screen and button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001212265A CN1193661C (en) | 2000-08-08 | 2000-08-08 | Electrothermal fumigator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001212265A CN1193661C (en) | 2000-08-08 | 2000-08-08 | Electrothermal fumigator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1337153A CN1337153A (en) | 2002-02-27 |
| CN1193661C true CN1193661C (en) | 2005-03-23 |
Family
ID=4588662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001212265A Expired - Fee Related CN1193661C (en) | 2000-08-08 | 2000-08-08 | Electrothermal fumigator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1193661C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104957843A (en) * | 2015-06-13 | 2015-10-07 | 深圳市前海安测信息技术有限公司 | Multifunctional mosquito-repelling hand ring used for 020 health management |
| CN105148312A (en) * | 2015-08-19 | 2015-12-16 | 吴青平 | Fumigation device |
-
2000
- 2000-08-08 CN CNB001212265A patent/CN1193661C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1337153A (en) | 2002-02-27 |
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