LV11710B - Device for heating and desinfection of room air - Google Patents

Device for heating and desinfection of room air Download PDF

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Publication number
LV11710B
LV11710B LV950276A LV950276A LV11710B LV 11710 B LV11710 B LV 11710B LV 950276 A LV950276 A LV 950276A LV 950276 A LV950276 A LV 950276A LV 11710 B LV11710 B LV 11710B
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Latvia
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phase
bacterial
wire
bulb
resistances
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LV950276A
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Latvian (lv)
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LV11710A (en
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Jani Fridrihson
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Fridrihsons Janis
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Publication of LV11710B publication Critical patent/LV11710B/en

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  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

The invention relates to room heating systems. Mainly it can be used in electric heating systems of dwellings of productive domestic animals, meanwhile ensuring their air disinfection. Its aim is to widen the range of the system's utilization and heighten its operating stability.The known systems contain three resistances with different capacities that are connected in a star-lock and connected to a three-phase four-wire electrical power network with a discontinuous nil-wire. This switches on the bacterial bulb between the freezing point of this resistance connection and the freezing point of the electrical power network. With the offered invention two separate sections with two resistive resistances of different capacity electric heaters are used (Image 2). These resistances are connected in a star-lock without one phase and are connected to a three-phase four-wire electrical power network with a discontinuous nil-wire, while the bacterial bulb is switched on between the freezing points of the resistance locks of both sections.<IMAGE>

Description

TELPU GAISA APSILDES UN DEZINFEKCIJAS SISTĒMAINDOOR AIR HEATING AND DISINFECTION SYSTEM

Izgudrojums attiecas uz telpu apsildes sistēmām un galvenokārt var tikt pielietots produktīvo mājdzīvnieku fermu elektriskai apsildei ar vienlaicīgu to gaisa dezinfekciju.The invention relates to space heating systems and can be used primarily for the electrical heating of productive pet farms with simultaneous air disinfection.

Ir zināma [1] fermu apsildes sistēma, kurā izmantots trīsfāžu elektrokalorifers, sastāvošs no ventilatora, elektrodzinēja un rezistīvo pretestību sekcijām, bet telpas gaisa dezinfekcijai tiek pielietota atsevišķi darbināma iekārta ar bakteriālajām spuldzēm.[1] A farm heating system using a three-phase electric calorifier consisting of a fan, an electric motor and resistive sections is known, but a separate operating unit with bacterial lamps is used to disinfect the room air.

Vienlaicīgi literatūrā [2] rekomendēts izveidot kopmpleksi agregatētu telpu ventilācijas, elektroapsildes un dezinfekcijas sistēmu. Šai sistēmai raksturīgi arī būtiski trūkumi: ievērojami ir elektroenerģijas zudumi, sarežģīta elektriskā shēma bakteriālajām spuldzēm, jo tās tiek ekspluatētas ar tradicionālo induktīvo droseļu un palaišanas starteru pielietošanu.At the same time, the literature [2] recommends the establishment of an integrated ventilation, electroheating and disinfection system for complex premises. This system also has significant drawbacks: significant power losses, sophisticated electrical circuitry for bacterial bulbs, as they are powered by conventional inductive chokes and starter starters.

Izgudrojumam tuvāka ir sistēma [3], saturoša trīs elektrosiltuma avotus (infrasarkanās spuldzes, rezistīvās pretestības u.c.) ar atšķirīgām jaudām, kuri savienoti zvaigznes slēgumā un pieslēgti trīsfāžu četrvadu elektrotīklam ar pārtrauktu nullvadu, un zemspiediena gāzu izlādes spuldzi (luminiscences, eritermo vai bakteriālo), kas pievienota zvaigznes slēguma un elektrotīkla nullpunktiem caur palaišanas starteri bez jebkāda veida balasta pretestību pielietošanas (prototips). Tomēr arī šai iekārtai ir sekojoši trūkumi. Bakteriālo spuldzi aizdedzinošais neitrāles nobīdnes spriegums starp šiem nullpunktiem ir zemāks par fāzes spriegumu, tādēļ pēc šīs shēmas iespējams ekspluatēt tikai nelielas jaudas spuldzes ar zemu aizdedzes sprieguma līmeni. Bez tam pielietotais palaišanas starteris ir pats nestabilākais šo spuldžu elektrisko shēmu elements. Sistēma neparedz arī ģenerētā siltuma piespiedu novadīšanu visā telpā ar ventilatora palīdzību.Closer to the invention is a system [3] comprising three electrical heat sources (infrared lamps, resistive resistors, etc.) of different capacities, connected in a star-switched and connected to a three-phase four-wire mains interrupted and low pressure gas discharge lamp, connected to the zero points of the star connection and the mains through the starter starter without the use of any kind of ballast impedance (prototype). However, this equipment also has the following disadvantages. The neutral shear voltage igniting the bacterial bulb between these zero points is lower than the phase voltage, so only low power bulbs with low ignition voltage can be operated under this scheme. In addition, the used starter is the most unstable element in these circuits. The system also does not provide forced heat dissipation of the generated heat throughout the room with the help of a fan.

Izgudrojuma mērķis ir paplašināt sistēmas izmantošanas diapazonu un paaugstināt tās darbības stabilitāti.The object of the invention is to extend the range of use of the system and to increase the stability of its operation.

Izvirzītais mērķis tiek sasniegts tādējādi, ka sistēmā tiek izveidotas divas atsevišķas sekcijas ar divām dažādu jaudu elektrokalorifera rezistīvām pretestībām, kuras savienotas zvaigznes slēgumā bez vienas fāzes un pieslēgtas trīsfāzīgam četrvadu elektrotīklam ar pārtrauktu nullvadu, bet bakteriālā spuldze pievienota starp šo abu sekciju pretestību slēgumu nullpunktiem bez palaišanas startera.The objective is achieved by creating two separate sections with two resistances of different power capacitors, connected in a single-phase star-connected and uninterrupted four-phase power grid, with a bacterial bulb connected to the neutral points of the resistances of these two sections. starter.

Fig.1 parādīta piedāvātā telpu apsildes un dezinfekcijas sistēmas elektrisko savienojumu shēma, bet fig.2 dota šīs sistēmas sprieguma vektoru diagramma.Fig. 1 shows a schematic diagram of the electrical connection of a space heating and disinfection system, and Fig. 2 shows a diagram of the voltage vectors for this system.

Piedāvātā shēma izveidota sekojoši. Pirmajā sekcijā starp fāzēm A un C radīts zvaigznes savienojums bez fāzes В un pretestībām 3 un 10 ar nullpunktu 02. Analoģiski otrajā sekcijā starp fāzēm В un C zvaigznes slēgums izveidots bez fāzes A no pretestībām 2 un 7 ar nullpunktu 0-| (fig.1.).The proposed scheme is structured as follows. In the first section, a star connection is made between phases A and C without phase В and resistors 3 and 10 at zero 0 2 . Similarly, in the second section between phases В and C, the star connection is made without phase A from resistors 2 and 7 with zero point 0- | (FIG. 1).

Šāds shēmas izveidojums dod iespēju starp nullpunktiem 0-] un 02 iegūt potenciāla starpību, kas atbilst abu atsevišķo sekciju pretestību slēgumos radušos neitrāles nobīdnes spriegumu vektoru N0-| un ĪTo2 rezultējošā vektora Що2 modulim (fig.2). Šai moduļa vērtībai ievērojami pārsniedzot fāzes spriegumu, tiek nodrošināta bezstartera aizdegšanās arī tādām bakteriālajām spuldzēm, kurām ir paaugstināts aizdedzes sprieguma līmenis un liela nominālā jauda.Such a scheme makes it possible to obtain a potential difference between the zero points 0-] and 0 2 , which corresponds to the neutral-displacement voltage vector N0- | and the IO 2 resultant vector Що 2 module (FIG. 2). By exceeding the value of this module significantly above the phase voltage, non-starter ignition is also provided for bacterial bulbs with high ignition voltage and high rated power.

Aizdegšanās procesu veicina arī uz bakteriālās spuldzes 6 stikla caurules papildus novietotais elektrods 9 alumīnija folijas (plāksnītes) veidā, kura pievienota elektrotīkla sazemētam nullvadam 8.The ignition process is also facilitated by the addition of an electrode 9 on the glass tube of the bacterial bulb 6 in the form of an aluminum foil connected to a grounded earth conductor 8.

II

Lai novērstu bīstama pieskāršanās sprieguma parādīšanos uz elektrokalorīfera elektrodzinēja (shēmā nav parādīts) korpusa un citām normāli strāvu nevadošām sistēmas metāliskām daļām, arī tās pievieno šim aizsardzības atsevišķajam nullvadam 8.To prevent dangerous contact voltages from appearing on the body of the electro-caliper electric motor (not shown in the diagram) and other non-conductive metallic parts of the system, they are also connected to this single neutral ground 8.

Izmantojot to, ka shēmā nav palaišanas startera, bakteriālās spuldzes 6 gala elektrodu 5 izvadi savienoti savā starpā, tā nodrošinot spuldzes ekspluatācijas turpināšanas iespēju arī vienas elektrodu spirāles pārdegšanas gadījumā.By using a no starter in the circuit, the terminals 5 of the end electrodes 5 of the bacterial bulb 6 are connected to each other, thus allowing the lamp to continue operating even in the event of a single electrode helix failure.

Bakteriālā spuldze 6 elektrobarošanu saņem no shēmas nullpunktiem 0ļ un 02 pievienotā pārnēsājamā spraudkontakta 4.The bacterial bulb 6 receives power from the circuitry zero points 0l and 0 2 of the portable plug 4 connected.

Shēma darbojas sekojoši. Sistēmai strādājot elektriskā kalorifera režīmā, rezistīvo pretestību trīspolīgais slēdzis 1 atrodas noslēgtā stāvoklī pie atvienotas bakteriālās spuldzes 6 un producētais siltuma daudzums ar ventilatora palīdzību konvektīvi tiek novirzīts telpā. Vienlaicīgi spraudkontaktā 5 parādās elektriskā potenciāla starpība, kas atbilst ~ 80% līnijas sprieguma līmenim. Pieslēdzot šim spriegumam ar papildus elektrodu 9 aprīkoto bakteriālo spuldzi 6, tā momentāni aizdegas, dezinficējot telpas sasildīto gaisu.The scheme works as follows. When the system is operating in electric heat sink mode, the resistive three-pole switch 1 is in the closed position at the disconnected bacterial bulb 6 and the amount of heat produced is convectively diverted into the room by means of a fan. At the same time, an electrical potential difference corresponding to ~ 80% of the line voltage level appears in the plug contact 5. When connected to this voltage, the bacterial light bulb 6 provided with an auxiliary electrode 9 is instantly ignited, disinfecting the heated air in the room.

Pēc aizdegšanās bakteriālā spuldze 6 deg pie nomināla darba sprieguma, kas atbilst vektora 0304 moduļa vērtībai (fig.2).After ignition, the bacterial bulb 6 is lit at a nominal operating voltage corresponding to the value of the module 0 3 0 4 of the vector (FIG. 2).

Pateicoties radītai iespējai izgudrojuma elektriskajā shēmā bakteriālo spuldžu aizdedzes spriegumu paaugstināt ~ 1,7 reizes, to izmantošanas diapazons paplašinās par ~ 60%.Due to the ability to increase the ignition voltage of bacterial bulbs by ~ 1.7 times in the circuitry of the invention, their application range is extended by ~ 60%.

Sistēmas shēmas izveide bez palaišanas startera paaugstina tās darbības stabilitāti par ~ 20%.Creating a system schema without a starter starter increases its operating stability by ~ 20%.

Informācijas avoti:Sources of information:

1. Электронагревательные установки в сельскохозяйственном производстве / под редакцией В.Н. Расстригина/. М., Агропромиздат, 1985, стр. 303.1. Электронагревательные установки в сельскохозяйственном производстве / под редакцией В.Н. Расстригина /. М., Арропромимадат, 1985, стр. 303.

2. А.М.Басов и др. Электротехнология. М., Агропромиздат, 1985, стр. 255.2. А.M.Basov and Dr. Электротехнология. М., Арропромимадат, 1985, стр. 255.

3. Патент SU 1783962 (опубл, в БИ Nr. 47, 1992. )3. Патент SU 1783962 (Oulburn, BUL # 47, 1992)

Claims (1)

1. Telpas gaisa apsildes un dezinfekcijas sistēma, saturoša trīs rezistīvas pretestības ar atšķirīgām jaudām, kuras savienotas zvaigznes slēgumā un pieslēgtas trīsfāžu četrvadu elektrotīklam ar pārtrauktu nullvadu, un bakteriālo spuldzi, kas pievienota minēto pretestību savienojuma un elektrotīkla nullpunktiem, atšķirīga ar to, ka, nolūkā paplašināt sistēmas izmantošanas diapazonu un paaugstināt tās darbības stabilitāti, sistēma izveidota no divām atsevišķām sekcijām ar divām dažādu jaudu elektrokalorifera pretestībām, kuras savienotas zvaigznes slēgumā bez vienas fāzes un pieslēgtas trīsfāzīgam četrvadu elektrotīklam ar pārtrauktu nullvadu, bet bakteriālā spuldze pievienota starp abu sekciju pretestību slēgumu nullpunktiem.1. A room air heating and disinfection system comprising three resistive resistances of different capacities connected in a star circuit and connected to a three-phase four-wire mains interrupted and a bacterial bulb connected to said resistor connection and mains zero, To extend the range of use and increase the stability of the system, the system is made up of two separate sections with two different capacitance resistors connected to a non-phase star-connected four-wire mains with a bacterial bulb connected between the resistance points of the two sections.
LV950276A 1995-09-08 1995-09-08 Device for heating and desinfection of room air LV11710B (en)

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LV950276A LV11710B (en) 1995-09-08 1995-09-08 Device for heating and desinfection of room air

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LV11710B true LV11710B (en) 1997-06-20

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