EP3642853A1 - Überspannungsschutzgerät mit anschlusselementen und verfahren zur herstellung desselben - Google Patents
Überspannungsschutzgerät mit anschlusselementen und verfahren zur herstellung desselbenInfo
- Publication number
- EP3642853A1 EP3642853A1 EP18731473.7A EP18731473A EP3642853A1 EP 3642853 A1 EP3642853 A1 EP 3642853A1 EP 18731473 A EP18731473 A EP 18731473A EP 3642853 A1 EP3642853 A1 EP 3642853A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- protection device
- overvoltage protection
- conductive material
- electrically non
- 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- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/14—Electrothermal mechanisms
-
- 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; Arresters
- H01C7/126—Means for protecting against excessive pressure or for disconnecting in case of failure
-
- 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
- H01C7/12—Overvoltage protection resistors; Arresters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H69/00—Apparatus or processes for the manufacture of emergency protective devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/04—Means for indicating condition of the switching device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T1/00—Details of spark gaps
- H01T1/14—Means structurally associated with spark gap for protecting it against overload or for disconnecting it in case of failure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T4/00—Overvoltage arresters using spark gaps
- H01T4/04—Housings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/02—Contacts characterised by the material thereof
- H01H1/04—Co-operating contacts of different material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/04—Means for indicating condition of the switching device
- H01H2071/046—Means for indicating condition of the switching device exclusively by position of operating part, e.g. with additional labels or marks but no other movable indicators
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/06—Distinguishing marks, e.g. colour coding
Definitions
- Overvoltage protection devices are known in the prior art.
- the overvoltage protection devices have a conventional varistor.
- the varistor consists of a flat varistor ceramic, e.g. made of ZnO, which is equipped with an electrode on both sides of the surface.
- the varistor ceramic and the electrodes are surrounded by an epoxy resin to protect against environmental influences as well as to protect against contact.
- varistors with terminals e.g. as connecting straps or connecting wires, which are not surrounded by epoxy resin.
- the varistor In a thermal overload of a varistor, which e.g. can be induced by a strong and / or long-lasting surge event / Netz Steinstrom or as a long-term effect of aging by a leakage current, the varistor "alloyed", the varistor can be strongly heated as well as explosively destroyed.
- the overvoltage protection devices are equipped with disconnecting devices which interrupt a supply line to the varistor in the event of thermal overload.
- an overvoltage protection device with connection elements wherein the overvoltage protection device has an overvoltage protection device, wherein the overvoltage protection device further comprises two contact elements, wherein the contact elements contact the overvoltage protection device electrically, wherein the first contact element is formed such that it also forms a connection element, wherein the two contact elements and the overvoltage protection device are surrounded by an electrically nonconductive material on the surface, wherein the electrically nonconductive material forms a connection region formed on the second contact element, wherein the overvoltage protection device further comprises a connection plate, wherein the connection plate is formed so that it at the same time forms a second connection element, wherein the connection plate in a first non-tripped state with the connection area with an electrically conductive em thermally softenable contact means is connected, wherein the overvoltage protection device further comprises a slide and a force accumulator, wherein the slider is arranged so that the slider can slide on a surface of the electrically non-conductive material under the action of force from
- an overvoltage protection device comprising the steps: obtaining an overvoltage protection device, obtaining a first contact element and a second contact element, arranging the resulting overvoltage protection device and the first contact element and the second contact element, encapsulating the previously arranged contact elements and the overvoltage protection device, wherein on the second contact element, a connection region is recessed, and wherein on the non-conductive material, a further function is formed, selected from a group comprising, that the electrically non-conductive material has a color that depends on the color of the slider is different, so that a shift of the slider leads to a color change in a local optical display, and / or that the slide and the electrically nonconducting material each have molded guide elements, and / or that the energy accumulator is supported on a holding element which is formed in the electrically non-conductive material.
- FIG. 1 is a schematic exploded view of an embodiment of an overvoltage protection device according to the invention
- FIG. 2a is a schematic side view of a first side of the embodiment of FIG. 1 in a first, non-triggered state
- FIG. 2b is a schematic side view of a first side of the embodiment of FIG. 1 in a second, triggered state
- FIG. 2c is a schematic side view of a second side of the embodiment of FIG. 1,
- FIG. 1 is a sectional view of the embodiment of FIG. 1,
- FIG. 3 shows a schematic exploded view of a further embodiment of an overvoltage protection device according to the invention
- FIG. 4 a shows a schematic side view of a first side of the embodiment according to FIG.
- FIG. 4b shows a schematic side view of a first side of the embodiment according to FIG.
- FIG. 4c is a schematic side view of a second side of the embodiment of FIG. 3,
- FIG. 5 is a schematic exploded view of yet another embodiment of an overvoltage protection device according to the invention.
- 6a is a schematic side view of a first side of the embodiment of FIG. 5 in a first, un-triggered state
- 6b is a schematic side view of a first side of the embodiment of FIG. 5 in a second, triggered state
- 6c is a schematic side view of a second side of the embodiment of FIG. 5,
- FIG. 6d is a sectional view of the embodiment of FIG. 5
- FIG. 7 is a flowchart of an exemplary manufacturing method according to embodiments of the invention
- FIGS. 1, 3 and 5 show different embodiments in an exploded view.
- the embodiments of the invention show an overvoltage protection device with (plug-in or solderable) connection elements.
- the overvoltage protection device has (at least) an overvoltage protection device USE1. Furthermore, the overvoltage protection device (at least) two contact elements Kl, K2. The contact elements K1, K2 contact the overvoltage protection device USE1 electrically.
- contact is to be understood broadly. Thus, the contact element can rest directly on the varistor ceramic or rest on a possibly existing metallization on the varistor ceramic or be soldered to it.
- the first contact element Kl is formed so that it also forms a first (pluggable or solderable) connection element Sl of the surge protective device at the same time.
- the contact element is designed as a plug-in blade (for example, Figures 1 and 5) or as a soldering element (for example, Figure 3) or as a screw element, etc.
- the two contact elements K1, K2 and the overvoltage protection device USE1 are surrounded with an electrically non-conductive material ISO on the surface (at least in sections), the electrically non-conductive material ISO leaving a connection region A formed on the second contact element K2.
- connection region A the contact elements K2 located under the electrically non-conductive material ISO are electrically contactable. It should be noted that the region of the connecting elements Sl, S2 is also free of electrically non-conductive material ISO
- the overvoltage protection device further comprises a connection plate B, wherein the connection plate B is formed so that it also forms a second (plug-in or solderable) connection element S2 at the same time.
- the connection plate B is in a first un-released state, which is shown in Figure 2a, 4a and 6a, with the connection region A electrically conductive with a thermally softenable contact means, e.g. a solder or an adhesive.
- the overvoltage protection device has a slide AS and a force accumulator F, wherein the slider AS is arranged so that the slider can slide on a surface of electrically non-conductive material under the action of the force from the force accumulator F, when in a second triggered state, the in FIGS. 2b, 4b and 6b, which softens the thermally softenable contact means, the slider AS being displaced between the connection plate B and the connection region A.
- a displacement is shown in the figures. Equally effective but also a twist or a combination of twisting and moving can be used.
- the electrically non-conductive material ISO still has at least one additional function.
- the function is, for example, that the electrically non-conductive material ISO has a color that differs from the Color of the slider AS is different, so that a shift of the slider AS leads to a color change in a local optical display. This means that a color change can be used to signal a triggered condition.
- the electrically non-conductive material ISO has an additional task in the form of signaling.
- the slider AS and the electrically non-conductive material each have molded guide elements. This means that the electrically non-conductive material ISO has an additional task in the form of mechanical support guidance.
- the force accumulator F is supported on a holding element which is formed in the electrically non-conductive material ISO. That the electrically non-conductive material ISO is a (further) additional task in the form of a mechanical support leadership.
- the contact elements Kl, K2 and the connecting plate B can be designed as cost-effective stamped or stamped bent parts.
- the overvoltage protection device UE1 has a varistor and / or a spark gap and / or a gas absorber. That The invention can be used with a variety of different surge protection devices and leads to a partial reduction.
- the two contact elements K1, K2 are soldered to the overvoltage protection device USE1. With a suitable choice of the process parameters during production, soldering can be provided, for example, in an extrusion coating step S400.
- the electrically non-conductive material ISO comprises a thermoplastic or a thermoset or an epoxy resin.
- connection region A as shown in Figures 2D and 6D, on the second contact plate K2 on a protuberance.
- the protuberance ensures a targeted power distribution and leads in the event of a fault to a thermally preferred course, so that a rapid shutdown of the separation point formed from connecting plate B and contact element K2 is ensured.
- the protuberance allows a particularly secure soldering of the separation point.
- at least one mechanical coding C which serves to specify a power class, is furthermore formed on the electrically non-conductive material ISO.
- That with the coding C can e.g. To prevent overvoltage arresters that belong to the wrong power class from being plugged into a socket with an inappropriate coding receptacle. Damage to the system to be protected can be avoided.
- the electrically non-conductive material can easily have a holding device for the second (plug-in or solderable) connecting element S2 and / or for the connecting plate B. That the connecting plate B is held and can thus be soldered to the connection area A without further measures.
- the overvoltage protection device may further comprise a housing G.
- the housing may be formed (at least in part) by the electrically non-conductive material ISO.
- a hood H can be provided.
- the electrically non-conductive material ISO may then be e.g. also have molded holding elements (for example latching elements) for the hood H.
- the surge protective device may have a telecommunications interface.
- the telecommunications interface may e.g. the springing of the contact plate B or by moving the slider AS are actuated directly or indirectly.
- the contact elements K1, K2 rest directly on a varistor ceramic or metallizations of the overvoltage protection device USE1 without soldering / bonding to the surface.
- the electrical contact by holding forces are provided solely by the holder with electrically non-conductive material ISO. This leads to a further cost reduction, since now a process step of the soldering can be omitted.
- the above-described embodiments of the overvoltage protection device can be made particularly simple. In a step S100, an overvoltage protection device UE1 is obtained.
- step S200 which may be executed parallel to step S100 or temporally also before step S100 or also overlapping in time with step S100, a first contact element K1 and a second contact element K2 are obtained.
- step S300 which may coincide with step S100 and / or step S200, the resulting overvoltage protection device USE1 and the obtained first contact element K1 and the second contact element K2 are arranged.
- the overvoltage protection device USE1 is obtained and arranged on the first contact element K1.
- the second contact element K2 is obtained and arranged on the arrangement of the overvoltage protection device ÜSE1 and first contact element Kl.
- a soldering process can also be initiated with the encapsulation.
- a corresponding solder must be introduced in advance between the corresponding elements.
- At least one of the aforementioned further functions is formed on the non-conductive material ISO. It goes without saying that semi-finished products, which provide the results of individual production steps, can also be integrated into a suitably adapted manufacturing process.
- one of the (plug-in or solderable) device connections Kl / Sl already directly forms a direct connection of the overvoltage protection device USE1.
- the overvoltage protection device ÜSE1 is (at least in parts) surrounded by electrically non-conductive material ISO, which, in addition to protection against environmental influences / contact protection, also provides additional functions.
- the electrically non-conductive material ISO provides at least a portion of a housing and / or a color coding for a status display and / or a coding and / or holding elements and / or guide elements.
- the surge protection device can be soldered to the contact elements Kl, K2 with the omitted overvoltage protection ÜSE1, since the contact force between the overvoltage protection device ÜSE1 and the contact elements Kl, K2 is sufficiently applied by the overmolded electrically non-conductive material ISO.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Thermistors And Varistors (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE2017/5443A BE1025343B1 (de) | 2017-06-22 | 2017-06-22 | Überspannungsschutzgerät mit Anschlusselementen und Verfahren zur Herstellung desselben |
| PCT/EP2018/066695 WO2018234517A1 (de) | 2017-06-22 | 2018-06-22 | Überspannungsschutzgerät mit anschlusselementen und verfahren zur herstellung desselben |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3642853A1 true EP3642853A1 (de) | 2020-04-29 |
Family
ID=59337385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18731473.7A Withdrawn EP3642853A1 (de) | 2017-06-22 | 2018-06-22 | Überspannungsschutzgerät mit anschlusselementen und verfahren zur herstellung desselben |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20200144012A1 (de) |
| EP (1) | EP3642853A1 (de) |
| CN (1) | CN110741451A (de) |
| BE (1) | BE1025343B1 (de) |
| WO (1) | WO2018234517A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019110745B3 (de) * | 2019-04-25 | 2020-10-08 | Dehn Se + Co Kg | Überspannungsschutzvorrichtung sowie modulares Überspannungsschutzsystem |
| CN111933370B (zh) * | 2020-09-27 | 2021-01-05 | 菲尼克斯亚太电气(南京)有限公司 | 一种浪涌保护器 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6430019B1 (en) * | 1998-06-08 | 2002-08-06 | Ferraz S.A. | Circuit protection device |
| KR100826238B1 (ko) * | 2007-09-21 | 2008-04-30 | 삼현전자통신(주) | 배리스터 및 배리스터가 수납되는 케이스 |
| WO2009038418A2 (en) * | 2007-09-21 | 2009-03-26 | Samhyun Cns Co., Ltd | Varistor and varistor apparatus |
| US8699197B2 (en) * | 2010-08-27 | 2014-04-15 | Cooper Technologies Company | Compact transient voltage surge suppression device |
| FR2984006B1 (fr) * | 2011-12-07 | 2017-05-12 | Legrand France | Boitier pour dispositif de protection contre les surtensions et dispositif de protection contre les surtensions associe. |
| KR101135111B1 (ko) * | 2011-12-28 | 2012-04-16 | 주식회사 성진테크윈 | 서지보호기의 전원차단장치 |
| CN206116321U (zh) * | 2016-10-17 | 2017-04-19 | 四川中光防雷科技股份有限公司 | 一种电涌保护器脱扣机构 |
-
2017
- 2017-06-22 BE BE2017/5443A patent/BE1025343B1/de not_active IP Right Cessation
-
2018
- 2018-06-22 CN CN201880040864.2A patent/CN110741451A/zh not_active Withdrawn
- 2018-06-22 EP EP18731473.7A patent/EP3642853A1/de not_active Withdrawn
- 2018-06-22 WO PCT/EP2018/066695 patent/WO2018234517A1/de not_active Ceased
- 2018-06-22 US US16/625,044 patent/US20200144012A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| BE1025343B1 (de) | 2019-02-04 |
| WO2018234517A1 (de) | 2018-12-27 |
| CN110741451A (zh) | 2020-01-31 |
| BE1025343A1 (de) | 2019-01-29 |
| US20200144012A1 (en) | 2020-05-07 |
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