DEP0016451DA - Arrangement to protect an electric motor, especially for intermittent operation, e.g. B. for chillers - Google Patents

Description

Patent attorney

. HU88

Görmssch-I

_B ien 2β »5 * 195 ©«

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_e 22/32

Aortaung to the sotartee of an electrometer _s lBsbesostere for lEteiaiittiereiiäeii operation, s _e B »for £ älteiiesiiesiililaea _e

Sciimtz won electric motors has so far been proposed by the respective StroByaiifiialaffls of the electric motor durek eisten so-called motorshutssciialter a ₀

Kotoren for besemtereii Betriefe _s wi® Motorsa for the drive ¥ oc EoMpresßorea at Sält@ma.seM.mchia _s 4mfs ^ sBiotoren o _e dgl *, weräea with this SeJmtzsjst®® only atogeseiaal »t _s if #ie Stromaufna & me d © but s engine © laea b @ stiamtea value tberseöreitete Sun kana a maimlässige Srwärmmiig individual skins of the electric motor aueh JOB © t © a _s without & ®.b & ü.ta ~ se Bedingiing "is erftllt So kaan at iMT © rsitti" rea4 @ m Operation eiste Übersefareitaag öer Torgesebea®n Einsüheltdau @ r Toriegen, oäer äer Strss kaas very strong in its Sp & mwmg, e.g. _{B 9} auxch failure of a last phase _p with di @ Btttm taking up the engine with steääem ofier la seiaer limlaufesalil strong fallen engine in the w © sestli @ ii © a ^ Leieli remains, Di®

In this case, the power consumed is mainly & » lent in warmth us & j whereby with normal Stroiastärk © © im® na» permissible error of the filling occurs «, the tall is also possible that the ventilation of the fficrteors for some reason ₉ z _e B * unintentionally © Ab eefeung the SelQftuiigdschlitze, hindered or prevented entirely _e Endlloti can Eaumtemper @ tur unt rise äadurcii Attock the ϊ © βι "temperature of the motor can be increased inadmissible ,, ßabei can u« ¥ _e soiion a Teraältni smäs sig slightly © Steig® " tion of the outside temperature z _e B «around approx @ fäkr 10 ° A © decisive © Bolle play _B

In all these cases, known circuit breaker will dwell ti. "Aussehalten one of the electric current does not _take% and a destruction of the liekluag is di @ consequence"

Bie special © Sinstelluag soleaer hat holder is difficult because every switch is special! © dia- » gumgen of the respective motor to be protected

These parts are eliminated by the arrangement aaea of the Srfioäuag ^ while the above normal © Srwäriaumg individual parts of the electric motor for switching off which is used »

Me invention is represented in the Zeieänuag for example Teranseaaulieltte Is?

Fig. 1 a view of the electric motor _s g @ »protects the arrangement g« satss the

Fig «, £ an electric motor with an anordinxag to ice? © twas different form äer Srflsäimg, partly Im

In öler Äbb «1, X of a Melctroaotor means mmä 2 whose outer coat * Erfintongsgeiaäss is elm. ®.n known 1? Hermoscfalter 3 as the casing 2 of the electric motor 1 Inappropriate z < »B, mittelsjLasGiien 4 ₉ such that the fhenaosclialter 3 of the stands in the immediate ^ wänaeleitender blndung with the jacket 2 llefctromotors 1"

lei UeT Äusfüarungsfojm naea Fig * 1 r ^ eiite is a Warmeseiaalter 5 sat at a distance ¥ <sn from the electric motor 1 and on the jacket 2 β la Warffieaia ^ nataefeSrper S asg © braeiitg the duration "is" emtspreckenä © LeitTing 7 siit the ¥ är mescnalter 5 "is bound"

In the version aaoii Äbb «2 b # deift®m 3 the opening of a nicat closer bezelctaetea electric motor ₈ 9 dia iloklung of its stator and 10 dl © fic & lung seis rotor * The invention is a Taenaoscnalter 11 oint of the housing 8 of the electric motor ang _s brae & t but dureii a Füiilglied 12 to in the immediately sat © © a position _s where the heating will be camen on eaest®n occurs or "on leioii" fc most © l £ sna _{s ζ} β Β β in üie HAHE

the winding of the stand "

The activation of the Taenaosenalters 11 ia elektrisene line of the K & ltemasenia © is part of the goal in a solenen place © on the line, öass dureli

me the Etrosäoreis of Antriebsiaotors wlrdt suspended for the compressor _4, the circuit of the intended for a chiller fan but nods * influenced so this dureh. its air flow restores the electric motor to its normal temperature. You need to switch it on again.

They forteil © the Jl & Qröimsg nn € h the invention are the following »

3 "®d @ change in the. Operating conditions of troiaotors smss itself * This requires la lalle rising Teapera tujien in a Inderuiog the temperature of the same manifest among all Ums-M ends triggering the T aemioselial» ters and thus an effective Sohtitz for the Slektrcmote Is is possible, the same thermal switch with the same setting for electric motors of all sizes ° zn τ®τ- turn _s that big Tereisfaclmsg in the warehouse w & g elimination of sources of error due to confusion sc3ai © dener sclialter as well as false & er
during their assembly «

Claims (3)

Patent a ja ε 2 ^ £. ^^ 2 ^ Ρ · e »s 1) assembly for a Schutse Sle & tromotors * Particularly for intermittent Betriefe, g "B * * characterized gekearaelehnet for refrigerators that the heating Qbersormale one of a part of the electric motor FSR atm Ab * sohaltung the power supply -rerweMet Wix € _e 2) Arrangement in accordance with claims 1 for E & lteiäfflsehinen _s where the cool air is routed by means of an electrically operated fan * characterized in that only the outer circuit of the drive motor for the compressor is ZL uff * r ffliing switched off »the drive motor for which fat is but not influenced« 3) Arrangement according to Amsprueh I ₉ characterized * that a visually left thermos housing door indirectly or indirectly duroh iühlorgaiae with parts. of the 11 electric motor in heat-conducting invention