Claims (15)
1. Zaštitni element (10, 30, 70, 82) koji ima barem prvi sloj (12, 32, 102) i drugi sloj (14, 34, 104) susjedno uz prvi, od mehanički jakog prvog izolacijskog pločastog materijala, gdje su prvi sloj (12, 32, 102) i drugi sloj (14, 34, 104) od izolacijskog materijala spojeni na treći naborani sloj (36, 106) koji je smješten između njih, od mehanički jakog drugog izolacijskog pločastog materijala, pri čemu su slojevi razmaknuti, dok je time oblikovan izolacijski element, a treći sloj (36, 106) koji ima bočne bridove i naboran je na takav način da sve šupljine (42, 44, 108) stvorene nabiranjem, mogu biti potpuno ispunjene tekućinom (50) preko bočnih bridova, naznačen time, da izolacijski element ima dva plosnata bočna područja (18, 22) koja su međusobno pod kutom uzduž pregibnog ruba (16, 94), te time da se srednje pregibno područje (20) nalazi između njih.1. A protective element (10, 30, 70, 82) having at least a first layer (12, 32, 102) and a second layer (14, 34, 104) adjacent to the first, of a mechanically strong first insulating sheet material, where the first a layer (12, 32, 102) and a second layer (14, 34, 104) of insulating material connected to a third pleated layer (36, 106) placed between them, of a mechanically strong second insulating sheet material, the layers being spaced apart , while the insulating element is thereby formed, and the third layer (36, 106) which has side edges and is folded in such a way that all cavities (42, 44, 108) created by folding, can be completely filled with liquid (50) over the side edges , characterized in that the insulating element has two flat side areas (18, 22) which are at an angle to each other along the folding edge (16, 94), and in that the middle folding area (20) is located between them.
2. Zaštitni element prema zahtjevu 1, naznačen time, da srednje pregibno područje (20) zahvaća pregibne rubove (16, 94) na kapljičast način.2. The protective element according to claim 1, characterized in that the middle folding area (20) engages the folding edges (16, 94) in a teardrop manner.
3. Zaštitni element prema zahtjevu 1 ili 2, naznačen time, da je strana zaštitnog elementa, koja je okrenuta prema pregibnom rubu (16, 94), barem u svojem srednjem pregibnom području (20) u spoju (100) s pločastom zaštitnom elektrodom (60, 110) od električno provodljivog materijala i odgovarajućeg je oblika u svrhu spajanja.3. Protective element according to claim 1 or 2, characterized in that the side of the protective element, which faces the folded edge (16, 94), at least in its middle folded area (20) is in connection (100) with the plate protective electrode ( 60, 110) is made of electrically conductive material and has the appropriate shape for the purpose of connection.
4. Zaštitni element prema zahtjevu 3, naznačen time, da je spoj (100) na zaštitnu elektrodu (60, 110) vijčano pričvršćen, te time da se u tu svrhu upotrebljavaju vijčana sredstva (72, 86, 112, 114, 116, 120) od električno nevodljivog izolacijskog materijala.4. Protective element according to claim 3, characterized in that the connection (100) is screwed to the protective electrode (60, 110), and that screw means (72, 86, 112, 114, 116, 120) are used for this purpose ) made of electrically non-conductive insulating material.
5. Zaštitni element prema zahtjevu 4, naznačen time, da se izbjegavaju područja oštrih rubova na vijčanim sredstvima (72, 86, 112, 114, 116, 120).5. Protective element according to claim 4, characterized in that the areas of sharp edges on the screw means (72, 86, 112, 114, 116, 120) are avoided.
6. Zaštitni element prema zahtjevu 4 ili 5, naznačen time, da je vijčani spoj (100) načinjen u srednjem području (20) koje zahvaća pregibni rub (16, 94) na kapljičast način.6. Protective element according to claim 4 or 5, characterized in that the screw connection (100) is made in the middle area (20) which engages the folding edge (16, 94) in a teardrop manner.
7. Zaštitni element prema bilo kojem od prethodnih zahtjeva, naznačen time, da je treći sloj (36, 106) barem u nekim područjima naboran u trapezoidnom obliku.7. Protective element according to any of the preceding claims, characterized in that the third layer (36, 106) is folded in a trapezoidal shape at least in some areas.
8. Zaštitni element prema bilo kojem od prethodnih zahtjeva, naznačen time, da prvi izolacijski materijal odgovara drugom izolacijskom materijalu.8. Protective element according to any of the preceding claims, characterized in that the first insulating material corresponds to the second insulating material.
9. Zaštitni element prema bilo kojem od prethodnih zahtjeva, naznačen time, da visina (40) od šupljina (42, 44, 108), koja je stvorena nabiranjem, odgovara barem duploj debljini (38) naboranog drugog izolacijskog materijala.9. Protective element according to any of the preceding claims, characterized in that the height (40) of the cavities (42, 44, 108), which is created by folding, corresponds to at least twice the thickness (38) of the folded second insulating material.
10. Zaštitni element prema bilo kojem od prethodnih zahtjeva, naznačen time, da šupljine (42, 44, 108) prolaze paralelno s pregibnim rubom (16, 94).10. Protective element according to any of the preceding claims, characterized in that the cavities (42, 44, 108) pass parallel to the folding edge (16, 94).
11. Zaštitni element prema bilo kojem od prethodnih zahtjeva, naznačen time, da su susjedni slojevi (12, 14, 32, 34, 36, 102, 104, 106) spojeni međusobno pomoću ljepila otpornog na visoki napon.11. Protective element according to any of the previous claims, characterized in that the adjacent layers (12, 14, 32, 34, 36, 102, 104, 106) are connected to each other by means of an adhesive resistant to high voltage.
12. Zaštitni element prema bilo kojem od prethodnih zahtjeva, naznačen time, da su šupljine (42, 44, 108) stvorene nabiranjem potpuno ispunjene uljem (50).12. Protective element according to any one of the preceding claims, characterized in that the cavities (42, 44, 108) created by folding are completely filled with oil (50).
13. Zaštitni element prema bilo kojem od prethodnih zahtjeva, naznačen time, da su barem pojedini dijelovi izolacijskog elementa i/ili zaštitne elektrode obloženi slojem izolacijske cakline.13. Protective element according to any of the preceding claims, characterized in that at least some parts of the insulating element and/or protective electrode are coated with a layer of insulating enamel.
14. Uljni spremnik (80) koji služi da se u njega smjesti električna visokonaponska komponenta, posebice transformator, koji je opremljen s barem dva plosnata susjedna pregradna područja (90, 92) od električno provodljivog materijala, koja su međusobno položena pod kutom, a međusobno zatvaraju tupi kut uzduž zajedničkog presavijenog ruba (94) u unutrašnjosti spremnika, naznačen time, da je zaštitni element (10, 30, 70, 82) prema bilo kojem od zahtjeva 1 do 13 ugrađen tako da odgovara oblikom i učvršćuje se na pregibni rub (94) barem u pojedinim dijelovima, te time da pregibni rub (94) prolazi otprilike podudarno s presavijenim rubom (16, 94).14. An oil tank (80) that serves to house an electrical high-voltage component, in particular a transformer, which is equipped with at least two flat adjacent partition areas (90, 92) made of electrically conductive material, which are laid at an angle to each other, and close an obtuse angle along the common folded edge (94) in the interior of the container, characterized in that the protective element (10, 30, 70, 82) according to any one of claims 1 to 13 is fitted in such a way that it conforms to the shape and is secured to the folded edge ( 94) at least in some parts, and by the fact that the folding edge (94) passes approximately coincident with the folded edge (16, 94).
15. Uljni spremnik prema zahtjevu 14, naznačen time, da je barem jedan zaštitni element (10, 30, 70, 82) zavaren na pregradne elemente uz svoju zaštitnu elektrodu (60, 110).15. Oil tank according to claim 14, characterized in that at least one protective element (10, 30, 70, 82) is welded to the partition elements next to its protective electrode (60, 110).