EP3282193A1 - Switch embodiment for cooker units - Google Patents

Switch embodiment for cooker units Download PDF

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Publication number
EP3282193A1
EP3282193A1 EP17185437.5A EP17185437A EP3282193A1 EP 3282193 A1 EP3282193 A1 EP 3282193A1 EP 17185437 A EP17185437 A EP 17185437A EP 3282193 A1 EP3282193 A1 EP 3282193A1
Authority
EP
European Patent Office
Prior art keywords
contact
switch
moving contact
hub
fixed contact
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP17185437.5A
Other languages
German (de)
English (en)
French (fr)
Inventor
Ali Erkan MAMUR
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ferel Elektronik Sanayi ve Ticaret AS
Original Assignee
Ferel Elektronik Sanayi ve Ticaret AS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ferel Elektronik Sanayi ve Ticaret AS filed Critical Ferel Elektronik Sanayi ve Ticaret AS
Publication of EP3282193A1 publication Critical patent/EP3282193A1/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/10—Arrangement or mounting of ignition devices
    • F24C3/103—Arrangement or mounting of ignition devices of electric ignition devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/12—Arrangement or mounting of control or safety devices
    • F24C3/126—Arrangement or mounting of control or safety devices on ranges

Definitions

  • Invention relates to switches mounted onto gas taps of electronically or manually controlled LPG and NG operated all heaters, cookers (home and industrial type ovens, furnaces, combi boilers etc.) and driven by tap movement and applying electric energy to ignition system.
  • the invention particularly relates to enhancement of pressure force between contacts, strengthening contacts touching and stabilizing contact angle between switch and contact by means of providing immediate, quick and impact shape change of contact moving in contact mechanism controlling electric current passing through switch.
  • Today switches are used in electronically or manually controlled LPG or NG operated heaters, cookers (home and industrial type ovens, furnaces, combi heaters etc.) to supply energy to ignition unit used for igniting gas.
  • the said switches in general consist of contact mechanism located between an upper cover and a lower cover, and gas tap providing motion of the said contact mechanism.
  • Contact mechanism is the mechanism which controls electric current passing by means of contacting and separation of moving parts located therein with each other upon motion of gas tap.
  • the present invention relates to switches meeting the needs mentioned above, eliminating all disadvantages and providing some additional advantages.
  • Main purpose of the invention is to enhance pressure force between contacts, to strengthen contacts contact and stabilize contact angle between switch and contact by means of providing immediate, quick and impact shape change of moving contact.
  • Another purpose of the invention is to increase the pressure force between contacts and thus to prevent problems of no contacting.
  • a further purpose of the invention is to reduce the contact surface on the fixed contact and thus increase the contact pressure.
  • Another purpose of the invention is to prevent oxidization, blackening and wearing between contacts by means of providing immediate and impact contact between contacts.
  • the purpose of the invention is to disclose a well established switch embodiment preventing the problems arising out of no-contact and metal breaking by help of all those said new characteristics explained above.
  • Figure 1 show an illustrative view of electric circuit diagram of more than one switch (60) connected in parallel.
  • the said switch (60) is opened-closed and passing or cutting of electric current between N-L points shown illustratively is provided.
  • the said switches (60) operation is dependant to gas tap (90) motion where it is mounted, and gives electric to ignition system.
  • FIG. 2 shows exploded perspective view of switch (60) disclosed hereunder.
  • Fixed contact (42) made of special alloy phosphorous bronze and supplying electric current is mounted on fixed contact housing (13) located on main frame (10) made of plastic materials resistant against strokes and heating while moving contact (43) is seated on the moving contact housing (11) located on the main frame (10).
  • Silicone coated electric cables (80) conveying electricity sit into cable ducts (14) on the main frame (10) and provides tight connection to cable mounting ducts (41) on the fixed contact (42) and moving contact (43) and thus provide conductivity.
  • Hub (30) exposed to pressure upon rotation of moving contact (43) is sit into hub housing (12) on the main frame (10).
  • Upper part (20) used to fix (position) the switch (60) to gas tap (90) is mounted to press from top to keep all components together.
  • thrust pins (23) located on upper part (20) are pressed onto silicone coated electric cables (80) and provide tight contact of fixed contact (42) and moving contact (43) with conductor in the electric cables (80).
  • Figure 4 shows the picture indicating thrust pins (23) located on inner surface of the upper part (20) made of plastic material.
  • FIG 5 shows perspective view of switch (60) disclosed hereunder.
  • Figure 6 shows sequential switch group (70) where it is connected to electric cables (80). Being a component of cooker unit, the gas tap (90) is adapted to tap neck (32) space. Mechanism is triggered by means of hub (30).
  • switch (60) The operation principle of the said switches (60) is as follows: one or more than one switch (60) is mounted in parallel to each other and sequential switches groups (70) are formed as shown in Figure 6 . Then switch (60) is fit onto gas tap (90) by means of gas tap neck (32) made in a manner fitting gas taps.
  • Figure 7 is the view of switch (60) disclosed hereunder in the position where it is mounted to gas tap (90).
  • the gas tap spindle (93) of the gas burner desired to be burned is rotated in clockwise direction by means of gas tap knob (92).
  • gas tap knob (92) rotates the gas tap spindle (93), it also rotates the hub (30) of the switch (60) having that gas tap (90).
  • the hub (30) rotates together with and in the same direction as the gas tap spindle (93).
  • the angular change occurring in switch (60) hub (30) with rotation of the gas tap spindle (93), positions and shape changes of fixed contact (42) and moving contacts (43) are shown in figures 3.1, 3.2 , 3.3 , 3.4 and 3.5 .
  • Angular position of the hub (30) in the beginning is shown in Figure 3.1 .
  • ⁇ 0.
  • pressure is applied to moving contact (43) through thrust extension (31) on the hub (30) via thrust extension (44) of the moving contact. Meanwhile, it remains in a position where it leans against thrust extensions (15) located on main frame (10) by means of contact touching ends (46) located on terminal extension (45) in V-form of moving contact (43).
  • the moving contact (43) is pressed down as a result of pressure applied via pressure extension (44) of moving contact (43) on the hub (30), and the moving contact (43) standing on base extensions (15) located on the main frame (10) is tightened after springing downwards over the moving contact base ends (46). When rotation is over a given point, it will not resist the pressure and transforms and bends down immediately.
  • Moving contact (43) changes form immediately upon bending motion.
  • moving contact (43) changes its position and makes an impact contact with fixed contact (42).
  • moving contact touch end (47) contacts the fixed contact touch end (48) having narrow surface (49) structure thereunder.
  • the switch (60) can also be operated together with a gas tap (90) operated in clockwise direction. Way of operation is similar and it is provided by means of making reaching angle (34) of thrust extensions (31) having entrance and exit in and from moving contact thrust extensions (44) in opposite direction.
  • the embodiment of the trust extension (31) on the hub (30) does not allow re-contact between the moving contact (43) and the fixed contact (42).
  • thrust extension (31) on the hub (30) lifts the moving contact thrust extensions (44) of the moving contact (43) in opposite direction of fixed contact (42) and provides no contact when the hub (30) is rotated in clockwise direction ( Figure 3.5 ).

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
EP17185437.5A 2016-08-09 2017-08-09 Switch embodiment for cooker units Withdrawn EP3282193A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TR2016/11141A TR201611141A2 (tr) 2016-08-09 2016-08-09 Ocak Üniteleri İçin Anahtar Yapılanması

Publications (1)

Publication Number Publication Date
EP3282193A1 true EP3282193A1 (en) 2018-02-14

Family

ID=59738128

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17185437.5A Withdrawn EP3282193A1 (en) 2016-08-09 2017-08-09 Switch embodiment for cooker units

Country Status (2)

Country Link
EP (1) EP3282193A1 (tr)
TR (1) TR201611141A2 (tr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2516070A1 (de) * 1974-04-19 1975-11-06 Illinois Tool Works Elektrischer schalter
US3971904A (en) * 1973-10-23 1976-07-27 Illinois Tool Works Inc. Switch assembly for gas tap assembly having cam operated leaf spring contacts and split housing cam detent stop
WO2016039703A1 (en) * 2014-09-11 2016-03-17 Ferel Elektroni̇k Sanayi̇ Ti̇caret Anoni̇m Şi̇rketi̇ Ignition mechanism for furnace units

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3971904A (en) * 1973-10-23 1976-07-27 Illinois Tool Works Inc. Switch assembly for gas tap assembly having cam operated leaf spring contacts and split housing cam detent stop
DE2516070A1 (de) * 1974-04-19 1975-11-06 Illinois Tool Works Elektrischer schalter
WO2016039703A1 (en) * 2014-09-11 2016-03-17 Ferel Elektroni̇k Sanayi̇ Ti̇caret Anoni̇m Şi̇rketi̇ Ignition mechanism for furnace units

Also Published As

Publication number Publication date
TR201611141A2 (tr) 2016-12-21

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