WO2006063503A1 - Varistance et fusible thermique de type a alliage - Google Patents
Varistance et fusible thermique de type a alliage Download PDFInfo
- Publication number
- WO2006063503A1 WO2006063503A1 PCT/CN2005/001810 CN2005001810W WO2006063503A1 WO 2006063503 A1 WO2006063503 A1 WO 2006063503A1 CN 2005001810 W CN2005001810 W CN 2005001810W WO 2006063503 A1 WO2006063503 A1 WO 2006063503A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- varistor
- alloy type
- alloy
- thermal fuse
- type thermal
- Prior art date
Links
- 239000000956 alloy Substances 0.000 claims abstract description 108
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 108
- 230000004907 flux Effects 0.000 claims abstract description 17
- 238000002844 melting Methods 0.000 claims abstract description 5
- 230000008018 melting Effects 0.000 claims abstract description 5
- 239000003566 sealing material Substances 0.000 claims description 14
- 239000004593 Epoxy Substances 0.000 claims description 12
- 239000000919 ceramic Substances 0.000 claims description 7
- 239000011810 insulating material Substances 0.000 claims description 6
- 230000009471 action Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 239000003822 epoxy resin Substances 0.000 description 8
- 229920000647 polyepoxide Polymers 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 4
- 239000000565 sealant Substances 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/12—Overvoltage protection resistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/1006—Thick film varistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/12—Overvoltage protection resistors
- H01C7/126—Means for protecting against excessive pressure or for disconnecting in case of failure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
- H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
- H01H37/761—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/042—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage comprising means to limit the absorbed power or indicate damaged over-voltage protection device
Definitions
- the invention relates to a varistor with an alloy type temperature fuse, which has a fail-safe function, is particularly suitable for a zinc oxide varistor, and is used for overvoltage protection.
- varistors are widely used as overvoltage protection and surge absorbing components for circuits, devices and components. Regardless of whether a varistor is applied to a power line or an electronic circuit, if various types of transient overvoltages occur frequently, the varistor will frequently operate to suppress overvoltage amplitude and absorb and release surge energy, protecting electrical equipment and Components, this will inevitably lead to degradation or even failure of the varistor; when the varistor accepts a temporary overvoltage, the varistor will quickly break down locally and cause a fire.
- the existing varistor with fail-safe has the following main defects: First, the structure is complicated, such as a conventional die-type thermal trip device or a thermal protection varistor disclosed in Chinese Patent No.
- CN02222055.0 As the temperature protection face of the overheat protection structure, the response speed is too slow or the high current impact resistance is weak and easy to fail.
- the present invention aims to provide a varistor having an alloy type temperature fuse which is simple and compact in structure, fast in response speed, and wide in application range, and which can be self-ineffectively protected. '
- the invention is completed based on the principle that the varistor and the temperature fuse are integrally formed to form a varistor capable of self-failure protection by using the advantages of the alloy type temperature fuse, and the specific solution is as follows:
- the invention includes: varistor, alloy
- the type of temperature fuse, the sealed cavity, the varistor and the alloy type thermal fuse are arranged side by side in the sealed cavity and adjacent to a surface, the pin extends outside the sealed cavity; the sealed cavity is filled with an alloy flux.
- the sealed cavity comprises a housing with an opening, and the varistor is arranged in the housing in parallel with the alloy type thermal fuse, and is filled with an alloy flux, and an epoxy sealing material is arranged at the upper opening thereof to form Confined capacity Cavity.
- the invention can also be completed as follows: including a varistor, an alloy type temperature fuse, a sealed cavity, the alloy type temperature fuse is disposed in a small casing, and the small casing and the varistor are juxtaposed in the sealed cavity, and An outer wall of the small casing is in close contact with a surface of the varistor, and the pin extends outside the casing; the small casing is provided with an alloy flux.
- the sealed cavity includes a housing with an opening, and a front convex portion of the housing extends outwardly to form an accommodating space of the small housing; an epoxy resin sealing material is formed at the opening of the housing to form Closed cavity.
- the alloy type temperature fuse is a low melting point alloy wire with pins at both ends. .
- the small casing is a casing made of ceramic or other high thermal conductivity and high insulating material, and at least one of the side walls is flat.
- the alloy type thermal fuse is pre-set in a small housing.
- the small housing is made of ceramic or other high thermal conductivity and high insulation material, which can save the fluxing material and prevent the dispersion of the flux, and has the function of arc extinguishing. Improve insulation performance.
- the invention can be made into a variety of structures according to the above basic structure on the basis of the above basic structure:
- Two pins one pin of the alloy type thermal fuse is connected with one pin of the adjacent varistor, and the connection point is sealed In the housing, the other pins of the varistor and the alloy type thermal fuse extend outside the sealed cavity. :
- the two pins of the varistor extend outside the sealed cavity, one of the pins adjacent to the thermal fuse is connected to one pin of the alloy type thermal fuse; the connection point is sealed in the housing, the alloy type temperature The other pin of the fuse extends beyond the closed cavity.
- the two pins of the varistor and the alloy type thermal fuse extend outside the sealed cavity, and the pins are not connected to each other.
- the varistor is connected in series: two varistor are arranged in the housing; the two pins of the alloy type thermal fuse sandwiched between the two varistors are respectively connected with one of the adjacent two varistor The foot is connected, and the connection point is sealed in the casing; the two varistor are connected in series by a thermal fuse, and the other of the pins extends outside the sealed cavity.
- the varistor and alloy type temperature fuse in the closed cavity can also be placed next to an alarm device with certain operating temperature characteristics, which can be divided into two parts: normal turn to normally closed or normally closed to normally open. Mode.
- the utility model has the function of starting the standby varistor: the varistor and the alloy type temperature fuse in the sealed cavity can also be placed next to the normally open and normally closed switching device with a certain operating temperature characteristic, and the standby varistor After being connected in series with the switching device, the circuit is connected to the circuit.
- the standby varistor can be officially connected to the circuit for operation; the standby varistor can also be made to have the same start-up.
- products of other structures such as two or more varistors connected in series or in parallel, and the like can be fabricated.
- the invention integrates the varistor and the temperature fuse, has the advantages of fast heat transfer speed, convenient and simple installation during use, and has the function of alloy fluxing, so that the molten alloy can be quickly shrunk into balls at two pins, and the invention can be According to different needs, different melting points, different sizes of alloys, and different varistor varistors are used to make varistor of various specifications, which is widely used.
- the various structures made by the invention can simultaneously satisfy a plurality of functions: Firstly, various structures made by the invention can meet the requirements of absorbing varistor voltages with different surge currents and different varistor voltages for absorbing lightning voltage and surge voltage. Secondly, when the varistor frequently suppresses the overvoltage amplitude and absorbs and releases the surge energy to cause performance degradation or even failure, the various structures formed by the present invention can have a leakage current of less than 10 millimeters in the varistor.
- the fail-safe function can be activated at a time (the fail-safe function can also be activated at a lower leakage current, but the on-flow is appropriately reduced).
- the various structures made by the present invention can initiate a fail-safe function before breakdown of the varistor. If the leakage current is larger or even exceeds 10 amps, the various structures made by the present invention can be The fail-safe function is quickly activated after breakdown of the varistor; fourth, the various structures made by the present invention can improve the absorption and release surge energy
- DRAWINGS Figure IB is a schematic view of the fuse of the present invention after being blown;
- FIG. 2A is a schematic view of the basic structure 1 of the present invention.
- FIG. 2B is a schematic view of the basic structure 2 of the present invention.
- 3A is a schematic structural view of two pin embodiments of the present invention.
- 3B is a schematic circuit diagram of two pin embodiments of the present invention.
- FIG. 4A is a schematic structural view of a three-pin embodiment of the present invention.
- 4B is a schematic circuit diagram of a three-pin embodiment of the present invention
- FIG. 5 is a schematic structural view of a four-pin embodiment of the present invention
- FIG. 6A is a schematic structural view of a series connection embodiment of a varistor according to the present invention
- FIG. 6B is a schematic circuit diagram of a series connection embodiment of the varistor according to the present invention
- FIG. 7A is a schematic structural view of a parallel embodiment of a varistor according to the present invention.
- FIG. 7B is a schematic circuit diagram of a parallel embodiment of a varistor of the present invention.
- FIG. 8A is a schematic structural view of an embodiment of an alarm function provided by the present invention.
- 8B is a schematic circuit diagram of an embodiment of the present invention with an alarm and an alarm function.
- FIG. 9 Schematic diagram of the circuit with the embodiment of starting the standby varistor of the present invention
- an embodiment of the basic structure 1 of the present invention includes: a housing 1, a varistor 2, and an alloy type thermal fuse 4; the varistor 2 and the alloy type thermal fuse 4 are immediately adjacent to each other and are mounted on the shell.
- the casing 1 is provided with an alloy fluxing agent 7, and the upper portion thereof is sealed with an epoxy resin sealing material 6 to form a sealed cavity, and the varistor pin 3 and the fuse pin 5 are provided. Outside the opening of the housing 1.
- the varistor 2 when the varistor 2 generates heat due to various factors, heat can be transmitted to the surrounding alloy flux 7 through its surface layer, and then the alloy flux 7 transfers heat to the alloy fuse 4 until the alloy After being heated, it melts and rapidly contracts to the two fuse pins 5 by the action of the alloy flux 7 (Fig. 1A, Fig. 2B), thereby cutting off the circuit and detaching the varistor 2 which is about to deteriorate from the circuit.
- FIG. 2B is an embodiment of the basic structure 2 of the present invention, including a varistor 2, an alloy type thermal fuse 4, a housing 1 and a small housing 8.; an alloy type thermal fuse 4 and a fuse breaker 7
- the inside of the small casing 8 made of ceramic or other high thermal conductivity and high insulating material is sealed, and the small casing 8 is sealed with an epoxy sealing material 6.
- the inner side of the small casing 8 is in close contact with the varistor 2 A surface is then placed into the housing 1 together, and the opening of the housing 1 is sealed with an epoxy sealant 6 to form a sealed cavity.
- the present embodiment includes a varistor 2, an alloy type thermal fuse 4, a housing 1 and a small housing 8; the front wall of the housing 1 extends outward
- An outer convex portion 11 forms an accommodating space of the small casing; the alloy type thermal fuse 4 and the fluxing aid 7 are first loaded into a small casing 8 made of ceramic or other high thermal conductivity and high insulating material, and the small casing
- the 8-port portion is sealed with an epoxy resin sealing material 6, and the inner side of the small casing 8 is closely attached to a surface of the varistor 2, and then the two are placed together in the casing 1 (refer to FIG.
- the first pin 3a of the varistor 2 is connected to the second pin 5a of the alloy type thermal fuse 4 and sealed in the casing; the second pin 3b of the varistor 2 and the first pin 5b of the alloy type thermal fuse 4 Extending outside the casing; sealing the opening of the casing 1 with an epoxy sealing material 6 to form a sealed cavity.
- the difference from the embodiment '3 is:
- the two pins 3a, 3b of the varistor 2 extend outside the housing, one of the pins. 3a is connected to one pin 5a of the alloy type thermal fuse, and the connection point is sealed in the casing; the other pin 5b of the alloy type thermal fuse 4 extends outside the casing i.
- the epoxy resin seals the opening of the casing 1 ' seal.
- the difference from Embodiment 3 is:
- the two pins 3a, 3b of the varistor 2 and the two pins 5a, 5b of the alloy type thermal fuse 4 extend outside the housing, and the pins are not connected to each other;
- the housing 1 is sealed with an epoxy resin sealing material 6. The opening is sealed.
- the embodiment of the double varistor of the present invention is as shown in FIGS. 6A and 6B: comprising two varistor 2, 2', an alloy type thermal fuse 4, a housing 1 and a small housing 8;
- the alloy type thermal fuse 4 and the flux breaker 7 are installed in the small casing 8, and the small casing 8 is sealed with the epoxy sealing material 6;
- the small casing 8 is sandwiched between the two varistor 2, 2
- Between the one outer wall of one side of the first varistor 2 is in close contact with the outer surface of the second varistor 2 ′, and is mounted on the surface of the second varistor 2 ′;
- a pin 5a of the fuse 4 is connected to a pin 3a of the first varistor 2, and the other pin 5b of the alloy type thermal fuse 4 is connected to a pin 3a' of a second varistor 2', and Sealed in the housing 1;
- the first and second varistors 2, 2' are formed in series, and the other nips 3b, 3b' of the first varistor and the second vari
- the epoxy sealant 6 seals the opening of the housing 1.
- This embodiment can achieve the superposition of two varistor voltages. When a higher varistor voltage requirement is difficult to achieve in a single varistor, it can be divided into two lower varistor voltage varistors! 3 ⁇ 4 is blocked and shared, and it has fail-safe function.
- the parallel varistor embodiment of the present invention includes two varistor 2, 2', an alloy type fuse 4, a housing 1 and a 'small housing 8, and Embodiment 6
- the difference is that: one of the two varistor 2, 2' pins 3a and 3a' are connected to each other, and then a pin of the alloy type thermal fuse 4 sandwiched between the two varistors Connection 5a, two varistors are formed in parallel; the other two pins 3b, 3b'' of the varistor and the other of the alloy type thermal fuses.
- the pins 5b extend outside the housing; respectively;
- the mouth of the housing 1 is sealed.
- the varistor voltage can be kept constant, the flow rate is increased, and the fail-safe function is provided. '
- Embodiments 5 and 6 can also be made in series or in parallel of two or more varistors.
- the invention has an alarm function embodiment.
- an alarm device 9 having a certain operating temperature characteristic can be placed beside the alloy type thermal fuse 4, and is divided into a normally open or normally closed or From normally closed to normally open two modes; the alarm device 9 can turn on or off the indicator light connected to it, and thus function as an alarm. . ' As shown in FIG.
- the single varistor has a single varistor with an alarm function
- the embodiment includes a varistor 2, an alloy type thermal fuse 4, a housing 1 and small housings 8 and 8';
- the front wall and the rear wall of 1 each extend outwardly with an outer convex portion 11, 12 to form an accommodation space for the small casings 8 and 8';
- the alloy type thermal fuse 4 and the flux breaker 7 are first loaded into the ceramic Or in the small casing 8 made of other high thermal conductivity and high insulating material, the mouth of the small casing 8 is sealed with the epoxy sealing material 6; at the same time, the alarm device 9 for temperature characteristics is loaded into the other small casing 8'
- the inner side of the small housing 8 abuts against a surface of the varistor 2, and the inner side of the other small housing 8' abuts against the other surface of the varistor 2, and then the three are placed together in the housing 1.
- the mouthpiece of the casing 1 is sealed with an epoxy sealant 6.
- the invention is provided with an embodiment of starting the standby varistor.
- the alloy type temperature fuse 4 can be placed with a certain operating temperature characteristic and is often changed from the normal to the normal.
- Closed device 10, device 10 can be connected in series with another spare varistor (such as the structure of Embodiments 1 to 8) and then connected in parallel in the line, so that when the temperature of varistor 2 (in-line) reaches a specified temperature , starting the second varistor into the working state; and implementing the multi-stage standby varistor.
- Embodiment 8 can also be carried out simultaneously with Embodiment 7.
- Embodiments 3 to 8 when the varistor 2 generates heat due to various halogens, heat can be transmitted through the surface layer to the small casing 8 made of ceramic or other high thermal conductivity and high insulating material and can be permeable thereto.
- the foot is transferred to the alloy fuse 4, the alloy flux 7, until the alloy is heated and melted and rapidly shrinks to the two fuse pins 5 under the action of the alloy flux 7 (as shown in Fig. 1A, IB), thereby cutting off the circuit and will soon deteriorate
- the varistor 2 is detached from the line, and the thermal reaction speed is fast.
- the structure is simple and compact.
- the varistor 2 can be used for splicing the lead wires 3a, 3b on both sides of the sintered varistor bare chip, and the finished product form sealed by using the epoxy resin powder.
- the cavity and the alloy type thermal fuse 4 are combined; it can also be used on the silver layer on the dies of the varistor after sintering.
- a round copper piece is soldered, and the lead 3b is soldered on the round copper piece, and the other A silver layer can be connected as a pin 3a to the thermal fuse 5a and placed in the housing.
- the sealing portion in the housing and the remaining gap portion are filled with epoxy resin.
- the invention is provided with a varistor of an alloy type temperature fuse, has a simple and compact structure, is convenient to use, and can be industrially produced in large quantities, and has good industrial applicability.
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fuses (AREA)
- Thermistors And Varistors (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05802105.6A EP1826780B1 (en) | 2004-12-13 | 2005-11-01 | Varistor with an alloy-type temperature fuse |
CA2588819A CA2588819C (en) | 2004-12-13 | 2005-11-01 | Metal oxide varistor with built-in alloy-type thermal fuse |
US11/792,991 US8780521B2 (en) | 2004-12-13 | 2005-11-01 | Metal oxide varistor with built-in alloy-type thermal fuse |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200420120952.9 | 2004-12-13 | ||
CN200420120952 | 2004-12-13 | ||
CNB2005100446615A CN100561611C (zh) | 2005-09-03 | 2005-09-03 | 设有合金型温度保险丝的压敏电阻 |
CN200510044661.5 | 2005-09-03 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2007100456A Division AU2007100456A5 (en) | 2004-12-13 | 2007-05-29 | Varistor with an Alloy-Type Temperature Fuse |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006063503A1 true WO2006063503A1 (fr) | 2006-06-22 |
Family
ID=36587521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2005/001810 WO2006063503A1 (fr) | 2004-12-13 | 2005-11-01 | Varistance et fusible thermique de type a alliage |
Country Status (4)
Country | Link |
---|---|
US (1) | US8780521B2 (zh) |
EP (1) | EP1826780B1 (zh) |
CA (1) | CA2588819C (zh) |
WO (1) | WO2006063503A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102456996A (zh) * | 2011-04-12 | 2012-05-16 | 厦门赛尔特电子有限公司 | 一种防雷插座用的防雷模块 |
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US9355763B2 (en) * | 2007-06-13 | 2016-05-31 | Zhonghou Xu | Electronic protection component |
US8310800B1 (en) * | 2009-03-24 | 2012-11-13 | Technology Research Corporation | Fault detector for surge suppressor |
US8255305B2 (en) * | 2009-09-15 | 2012-08-28 | Chicago Mercantile Exchange Inc. | Ratio spreads for contracts of different sizes in implied market trading |
DE102010047244A1 (de) * | 2010-10-04 | 2012-04-05 | Phoenix Contact Gmbh & Co. Kg | Überspannungsschutzvorrichtung |
FR2967293A1 (fr) * | 2010-11-08 | 2012-05-11 | Abb France | Dispositif de deconnexion electrique et parafoudre comprenant un tel dispositif |
US20120144634A1 (en) * | 2010-12-14 | 2012-06-14 | Bruce Charles Barton | Metal oxide varistor design and assembly |
DE102012004678A1 (de) * | 2012-03-12 | 2013-09-12 | Phoenix Contact Gmbh & Co. Kg | Überspannungsschutzgerät |
CN103236381B (zh) * | 2013-02-25 | 2016-01-20 | 漳州雅宝电子有限公司 | 一种耐浪涌型温度保险丝 |
DE102014202880A1 (de) | 2014-02-17 | 2015-09-03 | Phoenix Contact Gmbh & Co. Kg | Überspannungsschutzvorrichtung mit Leckstromabschaltung |
US10291019B2 (en) * | 2015-05-07 | 2019-05-14 | John Mezzalingua Associates, LLC | Redundant over-voltage protection/power distribution system for telecommunication systems |
TW201643925A (zh) * | 2015-06-05 | 2016-12-16 | zan-qi Chen | 具保險及示警機制之突波洩放器 |
DE102015225376B3 (de) * | 2015-12-16 | 2017-01-19 | Phoenix Contact Gmbh & Co. Kg | Überspannungsschutzgerät vom Typ II |
US20220344078A1 (en) * | 2016-01-25 | 2022-10-27 | Littelfuse, Inc. | Metal oxide varistor with reinforced electrodes |
US9875830B1 (en) * | 2017-03-03 | 2018-01-23 | Diversified Technology Group, Inc | Modular, exchangeable surge protection system |
US10291018B2 (en) | 2017-03-03 | 2019-05-14 | Diversified Technology Group, Inc. | Modular, exchangeable surge protection system |
USD840950S1 (en) | 2017-04-03 | 2019-02-19 | Diversified Technology Group, Inc. | Surge protection module |
USD840951S1 (en) | 2017-04-03 | 2019-02-19 | Diversified Technology Group, Inc. | Surge protection receptacle |
DE102017214402B4 (de) * | 2017-08-18 | 2022-03-03 | Phoenix Contact Gmbh & Co. Kg | Überspannungsschutzgerät mit Varistoren |
US11107612B2 (en) * | 2019-09-09 | 2021-08-31 | Dongguan Littelfuse Electronicscompany Limited | Overheat protection device and varistor |
US11764567B2 (en) * | 2020-08-28 | 2023-09-19 | Itron, Inc. | Metrology device including a high-voltage protection module |
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- 2005-11-01 CA CA2588819A patent/CA2588819C/en active Active
- 2005-11-01 EP EP05802105.6A patent/EP1826780B1/en active Active
- 2005-11-01 US US11/792,991 patent/US8780521B2/en active Active
- 2005-11-01 WO PCT/CN2005/001810 patent/WO2006063503A1/zh active Application Filing
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Also Published As
Publication number | Publication date |
---|---|
EP1826780B1 (en) | 2016-12-28 |
US20080088405A1 (en) | 2008-04-17 |
EP1826780A1 (en) | 2007-08-29 |
CA2588819A1 (en) | 2006-06-22 |
US8780521B2 (en) | 2014-07-15 |
CA2588819C (en) | 2013-01-22 |
EP1826780A4 (en) | 2010-08-11 |
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