WO1998057674A1 - Nuevo dispositivo de calefaccion electrica para liberar materias activas - Google Patents
Nuevo dispositivo de calefaccion electrica para liberar materias activas Download PDFInfo
- Publication number
- WO1998057674A1 WO1998057674A1 PCT/ES1997/000157 ES9700157W WO9857674A1 WO 1998057674 A1 WO1998057674 A1 WO 1998057674A1 ES 9700157 W ES9700157 W ES 9700157W WO 9857674 A1 WO9857674 A1 WO 9857674A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electric heating
- contacts
- housing
- heating device
- new electric
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
- A61L9/02—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air by heating or combustion
- A61L9/03—Apparatus therefor
- A61L9/037—Apparatus therefor comprising a wick
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M1/00—Stationary means for catching or killing insects
- A01M1/20—Poisoning, narcotising, or burning insects
- A01M1/2022—Poisoning or narcotising insects by vaporising an insecticide
- A01M1/2061—Poisoning or narcotising insects by vaporising an insecticide using a heat source
- A01M1/2077—Poisoning or narcotising insects by vaporising an insecticide using a heat source using an electrical resistance as heat source
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/10—Apparatus features
- A61L2209/13—Dispensing or storing means for active compounds
- A61L2209/135—Vaporisers for active components
Definitions
- the present Patent of Invention refers to a new electric heating device for releasing active materials, which contributes to the function to which it is intended, several advantages that will be reported later, apart from others inherent in its organization and constitution.
- aromatic or active materials can be supported by solid materials or be liquid.
- the aforementioned heating elements Due to these circumstances, the aforementioned heating elements have a high price that makes them less competitive compared to other conventional devices intended for similar purposes.
- Another drawback of the current technique is the lack of specific means designed for the easy and optional connection of additional elements, such as timers, regulators and others.
- a first objective of the invention is to achieve an arrangement of the type described above, designed in such a way that it conforms to a reduced number of pieces, and whose construction is carried out as a "sandwich", thus facilitating a completely automatic assembly of the which results in a significant reduction in costs.
- a second objective of the invention is to provide to said device of heating means that work with low electrical consumption, and that produce a homogeneous heating, regardless of the supply voltage.
- This second objective is achieved with the use of a PTC element, for heating, which provides an independence between the amount of electrical energy released and the supply voltage, due to the characteristics of the PTC, which self-stabilize and control its temperature in a very wide field of tension.
- the problem that usually arises from the use of a PTC element is favorably resolved, since being components of very small size, approximately eight millimeters in diameter and three millimeters in thickness, the transfer of heat energy is locally limited.
- the round body which houses the medium to evaporate, be heated as regularly as possible
- a special configuration and material of the electrodes is used, which are provided with ring shape, in order to circle the hole to be heated, made of a material with good thermoconductive characteristics.
- This organization allows the use of a single PTC element, for the supply of energy with the consequent economic savings.
- Figure 1 shows a top plan view of the device provided with the improvements object of the invention.
- Figure 2 corresponds to a side elevation view of the device, according to Figure 1.
- Figure 3 represents a section of the device, seen by III-III.
- Figures 4, 5 and 6 illustrate the electrode according to paths in plan, side and diametral section.
- Figure 7 is a plan view of the electrode, according to an alternative embodiment intended for connection to the contacts of a printed circuit board.
- Figure 8 shows a general view of the device in section, in the variant of connection with bulb and printed circuit.
- Figures 9, 10 and 11 represent the printed circuit board according to the front, back and side views.
- the device provided with electric heating to release active materials comprises a plastic molded housing, generally designated by (1), with a hole axial through (2).
- the housing (1) has a circular plan, with perimeter skirt (la), which closes with a piece (3), depending on the cover, also circular and with hole (4), central coinciding with the hole (2 ).
- the joint of the lid (3), with the base of the housing (1) is done through ultrasonic welding.
- This ultrasonic welding provides a tight connection between the pieces (1) and (3), in the areas designated by (17) and (18).
- the union (17) performs a safety function in order to avoid leakage of electric current towards the wick supporting the matter to evaporate, which due to its humidity, constitutes a conductive element.
- the joint (18), provides a tight and tight joint in order to insulate the components located in the housing (1-3).
- a PTC element designated by (5)
- Said element (5) is mounted between two twin contacts, designated by (6) and (7), made of a material with good thermal conduction characteristics, which have a circular crown shape, as shown in figures 4, 5 and 6.
- the central hole (8) of said contacts is of equivalent diameter to the wall of the through hole (2-4), thus surrounding said wall in the entire circumference, in order to make a homogeneous distribution of heat .
- the aforementioned contacts (6) and (7) have an edge (9) around the central hole (8), to offer a greater contact surface with the wall of the through hole (2) and (4), thus improving thermal performance
- contacts (6) and (7) there are three elements (3a) depending on the spring, integrated in the cover (3). These elements (3a) press against the upper contact, transmitting a compressive force throughout the assembly.
- the contacts (6) and (7) have a tongue (11), on the opposite side of the expansion (12), of location of the PTC, whose tongue is used to connect the conductor cable (13). Said cable (13) is inserted under the tongue, as illustrated in Figure 4, which is then folded over the cable, thus ensuring the union between both components.
- the connection is made using the terminals (14), in the form of a harpoon, which are inserted under pressure in the resulting space between the electrodes ( 6) and (7) and the housing (1) and cover (3), respectively, establishing contact with the tabs (19) of the corresponding electrode, which in this case is shorter in length, as illustrated in the figure 7.
- the printed circuit supports the optional inclusion of various electrical devices, such as a timer, regulator, etc.
- the arrangement has the advantage of being made up of only five pieces, and that the construction is in the form of a "sandwich", which allows automatic assembly and at the same time increases the safety of the element in question, while achieving Sensitive cost reductions.
- the PTC element (5) is located in said assembly, between the two contacts (6) and (7), so that the contacts and the PTC, adopt a position parallel to the cover (3), and the inner surface of the piece (1).
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Toxicology (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Insects & Arthropods (AREA)
- Engineering & Computer Science (AREA)
- Catching Or Destruction (AREA)
- Resistance Heating (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR9714737A BR9714737B1 (pt) | 1997-06-18 | 1997-06-18 | Dispositivo de aquecimento elétrico para evaporar substância ativa |
US09/446,353 US6411776B1 (en) | 1997-06-18 | 1997-06-18 | Electric heating device with emission of active substances |
PCT/ES1997/000157 WO1998057674A1 (es) | 1997-06-18 | 1997-06-18 | Nuevo dispositivo de calefaccion electrica para liberar materias activas |
KR10-1999-7011987A KR100502203B1 (ko) | 1997-06-18 | 1997-06-18 | 활성 물질을 배출하는 전기 가열 장치 |
JP50382599A JP3479087B2 (ja) | 1997-06-18 | 1997-06-18 | 活性物質を放つための新規な電気加熱装置 |
EP97926011A EP0998947A1 (en) | 1997-06-18 | 1997-06-18 | New electric heating device with emission of active substances |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/ES1997/000157 WO1998057674A1 (es) | 1997-06-18 | 1997-06-18 | Nuevo dispositivo de calefaccion electrica para liberar materias activas |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998057674A1 true WO1998057674A1 (es) | 1998-12-23 |
Family
ID=8298013
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/ES1997/000157 WO1998057674A1 (es) | 1997-06-18 | 1997-06-18 | Nuevo dispositivo de calefaccion electrica para liberar materias activas |
Country Status (5)
Country | Link |
---|---|
US (1) | US6411776B1 (es) |
EP (1) | EP0998947A1 (es) |
JP (1) | JP3479087B2 (es) |
KR (1) | KR100502203B1 (es) |
WO (1) | WO1998057674A1 (es) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7288748B1 (en) | 2006-12-21 | 2007-10-30 | S.C. Johnson & Son, Inc. | PTC electrical heating devices |
US8232509B2 (en) | 2006-11-16 | 2012-07-31 | S.C. Johnson & Son, Inc. | Retainer system |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1195169B1 (de) * | 2000-10-09 | 2005-03-02 | C.T.R., Consultoria, Técnica e Representaçoes Lda | Vorrichtung zum Verdampfen von flüchtigen Substanzen, insbesondere von Insektiziden und/oder Duftstoffen |
US6501906B2 (en) | 2000-12-18 | 2002-12-31 | C.T.R. Consultoria Tecnica E Representacoes Lda | Evaporation device for volatile substances |
DE50111791D1 (de) | 2001-04-05 | 2007-02-15 | C T R | Vorrichtung zum Verdampfen von flüchtigen Substanzen, insbesondere von Insektiziden und/oder Duftstoffen |
ITMI20012121A1 (it) * | 2001-10-15 | 2003-04-15 | Zobele Ind Chim | Dispossitivo riscaldante per elettroemanatore |
ITMI20012722A1 (it) * | 2001-12-20 | 2003-06-20 | Zobele Ind Chim | Fornello per dispositivo emanatore |
US6961515B2 (en) * | 2002-02-15 | 2005-11-01 | Dekko Technologies, Inc. | PTC heater with flexible printed circuit board |
US6859615B2 (en) * | 2003-05-01 | 2005-02-22 | Hometek International Ltd. | Multi-fragrance scent dispenser |
US6968124B1 (en) | 2004-06-25 | 2005-11-22 | S. C. Johnson & Son, Inc. | Electric liquid volatile dispenser |
US8027575B2 (en) * | 2008-01-31 | 2011-09-27 | S.C. Johnson & Son, Inc. | Heater contact assembly for volatile liquid dispenser |
DE102011011692B4 (de) * | 2010-10-18 | 2022-05-05 | Tdk Electronics Ag | Heizmodul und Verdampfungsvorrichtung mit einem Heizmodul |
US8666236B2 (en) | 2010-12-20 | 2014-03-04 | S.C. Johnson & Son, Inc. | Heater assembly for volatile liquid dispenser |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0290159A2 (en) * | 1987-04-21 | 1988-11-09 | TDK Corporation | PTC heating device |
DE9104709U1 (de) * | 1991-04-17 | 1991-06-06 | David + Baader - DBK - GmbH, 6744 Kandel | Vorrichtung zum Verflüchtigen von Wirkstoffen |
JPH04167391A (ja) * | 1990-10-30 | 1992-06-15 | Matsushita Electric Ind Co Ltd | 定温発熱体 |
ES1024793U (es) * | 1992-11-10 | 1993-10-16 | David & Baader -Dbk -Gmbh | Dispositivo para calentar un cuerpo paralelepipedo. |
EP0695553A1 (de) * | 1994-08-03 | 1996-02-07 | Steinel GmbH & Co. KG | Elektrische Vorrichtung zum Verdunsten von Wirkstoffen |
WO1997002054A1 (en) * | 1995-07-06 | 1997-01-23 | Zobele Industrie Chimiche S.P.A. | Heater with ptc heating elements for evaporators of solid or liquid insecticides or deodorants |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3835434A (en) * | 1973-06-04 | 1974-09-10 | Sprague Electric Co | Ptc resistor package |
DE2948592C2 (de) * | 1979-12-03 | 1990-05-10 | Fritz Eichenauer GmbH & Co KG, 6744 Kandel | Elektrisches Widerstandsheizelement |
JPH0514470Y2 (es) | 1986-02-10 | 1993-04-16 | ||
JPH0831353B2 (ja) | 1989-12-15 | 1996-03-27 | 株式会社村田製作所 | 正特性サーミスタ装置 |
JPH06349566A (ja) | 1993-06-08 | 1994-12-22 | Ooizumi Seisakusho:Kk | トランスレス発熱体 |
DE4430291C2 (de) | 1994-08-26 | 1996-07-25 | Steinel Gmbh & Co Kg | Vorrichtung zum Verdunsten eines flüssigen Wirkstoffs |
-
1997
- 1997-06-18 EP EP97926011A patent/EP0998947A1/en not_active Withdrawn
- 1997-06-18 WO PCT/ES1997/000157 patent/WO1998057674A1/es active IP Right Grant
- 1997-06-18 KR KR10-1999-7011987A patent/KR100502203B1/ko not_active IP Right Cessation
- 1997-06-18 US US09/446,353 patent/US6411776B1/en not_active Expired - Lifetime
- 1997-06-18 JP JP50382599A patent/JP3479087B2/ja not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0290159A2 (en) * | 1987-04-21 | 1988-11-09 | TDK Corporation | PTC heating device |
JPH04167391A (ja) * | 1990-10-30 | 1992-06-15 | Matsushita Electric Ind Co Ltd | 定温発熱体 |
DE9104709U1 (de) * | 1991-04-17 | 1991-06-06 | David + Baader - DBK - GmbH, 6744 Kandel | Vorrichtung zum Verflüchtigen von Wirkstoffen |
ES1024793U (es) * | 1992-11-10 | 1993-10-16 | David & Baader -Dbk -Gmbh | Dispositivo para calentar un cuerpo paralelepipedo. |
EP0695553A1 (de) * | 1994-08-03 | 1996-02-07 | Steinel GmbH & Co. KG | Elektrische Vorrichtung zum Verdunsten von Wirkstoffen |
WO1997002054A1 (en) * | 1995-07-06 | 1997-01-23 | Zobele Industrie Chimiche S.P.A. | Heater with ptc heating elements for evaporators of solid or liquid insecticides or deodorants |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 016, no. 469 (E - 1271) 29 September 1992 (1992-09-29) * |
See also references of EP0998947A1 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8232509B2 (en) | 2006-11-16 | 2012-07-31 | S.C. Johnson & Son, Inc. | Retainer system |
US7288748B1 (en) | 2006-12-21 | 2007-10-30 | S.C. Johnson & Son, Inc. | PTC electrical heating devices |
Also Published As
Publication number | Publication date |
---|---|
EP0998947A1 (en) | 2000-05-10 |
US6411776B1 (en) | 2002-06-25 |
KR100502203B1 (ko) | 2005-07-22 |
JP2002501392A (ja) | 2002-01-15 |
JP3479087B2 (ja) | 2003-12-15 |
KR20010013961A (ko) | 2001-02-26 |
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