DE1873206U - SMALL ELECTRIC MOTOR PROVIDED WITH DAMPING MEANS. - Google Patents

Description

. Joseph.Krischker, ... -: - '-_.' ■■ '■ -. ■ 2O.3.1963

Chief engineer. ; . = - "- ^: ". ■: ---. \ ν. Bad Eeustadt / Saale.:: V .-- .. ·: Goetlae-straße "4 -: -

■ "■ - ,." = -.-. "." - .. ". Ge" he must also. ^: - ".. -"".. \ .- / ■ .--." ■ - ■ _ ~ - ^: - -. · Llektrokleliimotora verselaener_ with steaming agentii -; -

The. Purpose of the present! Inflation is to be known to yourself ;;: -. ■■ ;. Damping means that eliminate interference and eliminate: Uer_ ^ v as a result of induction voltages in commutation ";'&&& Motors caused difficulties, on .wirtschaft-,.". lichste manner in the engine where unterzübringenV by: ^{besöndeie'e;!} Arrangement and design of the; damping means. a relatively very favorable cost factor has been achieved so far-

The use of damping means for inductive action has long been known. .When there is an islötzliGhen interruption ^^ - one:; ; - V-. .. 'Contains circuit, a coil with, high inductance "must be implemented in the coil = stored energy / .in ,; -_ very short time ^ * A high self-induction voltage _ä _._ the Punken one: or arc V at the; sub-rectilinearity is the result .; the, -magical energy; is converted into: ' ^{.. i :;} noise .. To avoid ..this -high voltage -will ... parallel, to the coil a ... resistor 'connected :: ^{- Correspondingly:} is- with small motors, with the individual armature coil: traversed ν

One version used as. Damping agent :. Resistance Wire'-; ^ turns, .the,. / like ".the armature coils _: seVos & _i : 0> e &'- o <i & F \ ^ fc§? ^ \ -_- ^: the armature winding around the pole parts / are wound.' ^: This _:: execution is relatively ^: expensive, because the winding ¹ -an ^^ ge ;: the individual pole part has to be repeated and the ^ nQffhi-iiot - ;;; agile insulation is time-consuming., Difficulty-surrender; /; /> - -sich ^: also: beini soldering-the d ^

it is certain whether a fast lathing process borrowed good soldering points - were achieved.

In terms of reference, it is the same as that which uses wire or colal resistances: the. Between the poles; in the hat spaces of the anchor rbLeahpake ^ es. ^: ; ^ - are placed © r ^ ^i: Star connection of the armature coils .to be found =. - .... ■ /// '- / - / V. ";;. '-: -

Another version uses already finished wire or> ;.

. Coal resistances with two wire ends _? . like- sie- in the / Bund ^ unk- ^; ,.

device e tee hnlk. usage blip h are. Here, too, the resistances are arranged in the hatch spaces between the pole parts: ■ V -_. V ^V ;: - _: ■. """.-

Disadvantageous and on Eos can the right Amsnützüiig-. Is --i ..räumes for those armature coils regularly Ijotwehdigfcei ^ t ₃ '_- ^■.': The Hutenräume to accommodate the resistors entsprechend'dereni Eaumbedarf ^-: schillings äe3 "" ⁱ "-How].? to increase regularly;. yepscMech.te "ίt" ^ S ■ i ^Γ c.ii ..-. "■ άas; ^"^■;; -Kupf er-j31senverhältnis ₅ of the motor receives an N- schlecheren.:W'ir- degree of efficiency as nöMg..;. "" - '.. Ϊ. /: _--. "_.-. ■ - νΛ: - ■■""■ ^: -' ^^: - ^:

In the last-mentioned examples it happens "bei sc-hneliem ---. Vm-z- '.:'■." _, _ ■ but the motor also happens that the resistors glued to the armature coils, because they : locally near the Perlphlrlö ,. desv \ .; Runner's Hegen, the centrifugal force, but ■. and / denVbekanntV _". .- ■ adverse Eadialschwingunggnvdes anchor \ out, _is: S: INAE // ■■ .- / ■ _.." until finally mostly -insular. a resistance in part: e ^: .; or completely, for example by breaking off the end of the wire, which loosens the fastening parts; Process _s / who can see noises being announced beforehand .., -.- ".

From the patent specification Is ;. ; eln Yiel Zweckschalter_ _: iait ^ kpir- 'λ lektor-like trained Schaltom.rze-, known. geword "lipntaktlamellen-, übe" r ohmsehe.j Jsia ^ azitlve ^; and inductive © / Wider- _:.

. stands, connected to one another / are «, / - this appears to be true. Arrangement / suitable / to cause interference suppression and damping of undesired induction voltages, however, in _: the patent in question; Do not rely on these possibilities. been ~ it is also missing; the embodiment for which there are damping means and the indication of the locality. Situation »In one figure only a schematic diagram is given.,"

The cited, - well-known examples for: -local placement of damping means ;; in small motors - show that there is a really satisfactory _? The solution corresponding to the requirements of the technology is missing ο The present chain represents such a solution. by whose special shape and design are not only the. mentioned difficulties are eliminated,. at the same time a technically increased ■ effect and a considerable cost saving compared to the previously known means and arrangements is achieved./ -; _: '

The hiring consists of ₅ that ... for one. KIe inmotor / der mainly with a collector, an iron _: or; ^: Coreless anchor, and damping means is provided for the elimination of induced voltages that "Dämpfuiigsmittel ^{_in:.! S} {Dol / 'space' of a / or. other end face of the anchor./formed are arranged .:; ^::: ; _r . -, .- ^_-:::: - _- ■

In Figure A a runner is shown schematically ν ^.The: are indicated in gest.riehtelten lines, which may serve to Unterbringung.der .Dämpfungsmittel existing 'dead spaces "They are equipped with a, / b and c be ze ic Bidding ψ}?. furthermore numbers 1 - = itollekt or, number 2 s armature sheet package, number ^; =; armature coils, ' _: Sif f "^ = connection points of the collector-, Λ: ^ -_ / - ~ ^; .? ^! _ ■ ^"-:;>: vV -

Is is.-The most expedient ^ ■ -.die_i] Äp ^ m ^ B ^ ttel --- i ^; ^^ hem ^tt a, because the supply line to. ^ En connectionsTteKl

lector with.! Hue fcs I cat on the / known conditions for: correct interference suppression as short as possible: - are to be kept. In: the slope, follow -the-most expedient line routing "" "would come - then the / to t-

• Raum b in_.Beacht, and then / only the. Death dream e _s der'nür / ^; then, if there is not enough accommodation in

. "the .dead spaces a and 'b would exist ·." υ -: - ;;.

line the. Eo st en-lowering action is -'als expedient;. "Development of the solution - the damping means 5 g ogether with the armature coils to the terminal parts of the electrical and KoIlektorlameIlen mechanisch.direkt to connect, as shown in Fig Eu ₀ represented ^ * .- "" ■ ".- ■■ _s // ^; . / * ■ ■ ^".v: ..: ^ ^V;

An improvement in the local situation places the order of the dampening means in a ring-like shape around the lizard. around / dar ₅ where the inlet diameter is perpendicular; -to the axis stent, -Derein. the connection points ^ of the collector lamellae serve as.-fastening support .. This is shown schematically in FIG.

Very - is zweeikmäßig-, the damping means before de m installation, unite to Hing, - wherein in each .eineffl .. damping means depending ein'Drahtanschluß _einsparber-o Such inp ready and "therefore cheaper als.in'-eigaiier Manufacture, .be obtained from relevant. Manufacturing companies * - In this case, "according to the connection of the renewal / this" damping communication ring "can already be finished and cloned. Interchanges / des_ ICollektars be dimensioned to fit .. D _a mlt is "the / MM Terbindung the" connection points of Kollektorlanrellen "in / no time UNAE / up the shortest .lieitungswege ^allows;.! .. / A 'special .Vorteil' lies in the "knotless ■ connection" of the attenuation center 1 with one another. ^ / /

In the case of damping agents, e.g. / resistances, in the common form - / each / Filderstand with _: each / two "-Anä'chliiß'dirELtenden ..-> ./-.- without

are available, the ring can be made by stranding / the wire ends. Each stranding end is to be routed to a connection point on each of the collector blades and / to be fastened there. See Fig. 5 ° -. - ".:. ^;: -":

Should it be necessary to remove the PämpfuxL-gsmittel dead space c the pig. 1, i.e. in the tree that accommodates the collector / applied face of the inker ₅ so is it appropriate? the supply lines of the resistors to the collector connections in the dead space 6 between the pole positions: of the inner laminated core, if necessary between the armature coils, parallel to the sensor shaft. embarrassed. \. . ■■ "...""","._';'.; \ '- f ^: = ^:: ;

Claims (1)

■ "-'-. - ■; -." Protection claims ..; _ _; '-' ■ - ; .ν- ^ ■ -; - ■ 1. Small motor, "whose rotor mainly -with an-Eoiiektor, an" iron., Or ironless armature as well as mit.Dämpfungsmittel. for elimination. is provided by induction voltages, characterized, that .the. ^: Dampening agent in the . . "To dream" de r .. e inen or - ande ren StIras ei t e. -de s ^; Anchor "bleohpaketes formed angeordnet- are" .. "-.-. ■"^""..:: 2. Eleinotor. after. Ans.prucn. I. dadurcli marked ^,: 7that the. . Damping means "gladly into the with. den- armature coils on the % yes- :. Terminals of the collector lamellas are electrically and mechanically connected. ■ "" - "."; .... "■". _: . :. 'Vi ^ v 3 ·. Eleinmotor according to one or more of the preceding claims characterized in that the dampening means . to be placed around the axis in a ring, .fiobeiihh-en the Connection points on the collector lamellas as. Fastening ^ i -..- Kleinmo.tp.r- according to one or; .m <3, their previous ν claims characterized in that the damping means are combined into a ring before installation. * -.-; ; ; v;.; 5. Eleinmotor after one or more preceding ^ ~~. .Sayings., Dadurca. marked that .the "damping means -.. ring" has a suitable diameter; Dimensioned collector lamellas; and .on. the. shortest. approach ■! with. this is connected. ^: -: ;. "--'.-'-. ----- ■ - ''" - "". : '^r;^; / ^ ι ^ / _: 6. .Single engine after one or more of the preceding: .An- .: -Sayings marked by _s - that the conductor connection prepared before: the "-3S installation of - ;. a _: to ^r " Mider @ n --- damping. -means ^i! knotless ⁿ from: led ;;; is «. () ^ 7. Eleinotor according to one or more of the preceding requests: ■■ '·. Sayings, however, 'alternative to. Claim.6, characterized by ^ jgekenn- .. 'marks,' that. for the lall ever a damping agent-two connecting wires ... is provided _? : the damping agent to one. Hinged by stranding the wires to be connected to one another, each with a wire end closed . each one Eo llfek_t "o; r-,. lamellar connection, is» ..- (! Fig. 5) Γ ^.; "; . -. ^v :;,? -.-: "■" - ' ^: 8. Small motor according to one or more of the preceding; - ". ■ - ^:. Claims, characterized in that in the case of -the- .. sub-" j "- bringing the damping means. in the dead space (c) of the" from the> ICollek- - gate, facing away from the end of the armature, the supply lines .- .. φϊ ¹ ' t damping means to the connections; the ^ collector lainelien:; ^: v in the dead space (6) between: the. Poles rush in parallel; to: Eo tor- ;. : shaft of the. anchor plate package, if necessary, between -; ■ - ".-. ■". - Armature coils are misplaced. "'.: _;; ."'■■ : .'- ._ ■ "- .λ- ': - ■ _- ■ - ■; .-. ■: V- Considered. Scriptures. DBP A Q83 ^; 894- ^; _: -:, -;. ;