CN203760399U - Thermal machine converter-equipped installation switch device - Google Patents
Thermal machine converter-equipped installation switch device Download PDFInfo
- Publication number
- CN203760399U CN203760399U CN201320398887.5U CN201320398887U CN203760399U CN 203760399 U CN203760399 U CN 203760399U CN 201320398887 U CN201320398887 U CN 201320398887U CN 203760399 U CN203760399 U CN 203760399U
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- article
- thermal machine
- described article
- installation switchgear
- bar
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- Expired - Fee Related
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- 238000009434 installation Methods 0.000 title claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000005452 bending Methods 0.000 claims description 27
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 abstract 2
- 230000002349 favourable effect Effects 0.000 description 12
- 230000008859 change Effects 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000004020 conductor Substances 0.000 description 6
- 238000010891 electric arc Methods 0.000 description 6
- 230000004075 alteration Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 239000012781 shape memory material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 108010022579 ATP dependent 26S protease Proteins 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- H01H71/16—Electrothermal mechanisms with bimetal element
-
- 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
- H01H71/40—Combined electrothermal and electromagnetic mechanisms
Abstract
The utility model relates to a thermal machine converter-equipped installation switch device comprising an electric current path (comprising at least a contact part formed by a fixed contact member and a movable contact member (12, 13)) and at least a switch mechanism, wherein the electric current path is led between an input terminal and an output terminal, the contact part is enabled to be opened and to stay opened through the switch mechanism, a thermal machine converter comprises a first bar and a second bar, wherein the first bar is formed by a thermal bimetal or a shape memory alloy, the first bar can be directly or indirectly heated by an electric current passing the electric current path, the first bar bends when the electric current exceeds a rated current, the second bar is made of a material which is not formed by the thermal bimetal or the shape memory alloy, the second bar is connected with the first bar, and a connection part for connecting the thermal machine converter and the switch mechanism is positioned on the second bar.
Description
Technical field
The present invention relates to a kind of installation switchgear with thermal machine transducer (Installationsschaltgeraet), it is included in the current path that guides between input terminal and lead-out terminal (Abgangsklemme) (it is with at least one contact site being formed by fixed contact therefor and movable contact) and at least one switching mechanism (Schaltwerk) opening and stay open for contact site, wherein, thermal machine transducer comprises the Article 1 (Streifen) forming by thermo bimetal or by marmem, it can be directly or indirectly by the current flow heats by current path and bending in the situation that electric current exceedes rated current.
The present invention relates to a kind of thermal machine transducer, for example line protection switch for installation switchgear in addition; wherein; thermal machine transducer comprises the Article 1 forming by thermo bimetal or by marmem, and it can be directly or indirectly by the current flow heats by current path and bending in the situation that electric current exceedes rated current.
Background technology
File DE 44 45 170 A1 have shown a kind of such with thermal machine transducer, also referred to as the installation switchgear of heat trigger (Ausloeser), thermal machine transducer has thermo bimetal, its one-sided clamping and in the time of overcurrent, that is to say in the time that electric current exceedes rated current bending and master cock button (Schaltschloss), also claim switching mechanism, thus, stay open contact site.Thermo bimetal can heat directly or indirectly at this.In the time directly heating, electric current flows through thermo bimetal, and the conductor being flow through by electric current in the time of indirect is arranged near thermo bimetal, and electric current heat indirectly-acting is in thermo bimetal, mostly via thermal radiation or convection current.
Replace thermo bimetal, also can use the material with hot shape memory effect.For the application in thermal machine transducer importantly the temperature of material raise and affect accordingly the characteristic of alteration of form.Do not refer to the normal thermal expansion of material at this, but the alteration of form of the stronger many orders of magnitude of this thermal expansion, especially still anisotropic alteration of form relatively.The bonding jumper being formed by bimetallic material for example in the time that temperature raises significantly around its wide lateral bend.As long as not mentioned different in this application, concept thermo bimetal always also should comprise the possible variant as shape-memory material.
Therefore the bar being made up of thermal bimetal material not only meets sensor function but also meets actuator function in as the application of thermal machine transducer at it.The different rated current of thermal machine transducer and character by bimetallic kind in view of regulating than the change of resistance and thermal flexure and by the length of bimetal strip and the change of cross section.
As special material, bimetallic also has the corresponding costliness of shape memory metal.
Summary of the invention
Therefore the object of this invention is to provide a kind of installation switchgear with thermal machine transducer, its be included between the first joint Terminal and the second joint Terminal, guide with the current path of at least one contact site being formed by fixed contact therefor and movable contact and at least one switching mechanism of opening and staying open of contact site, wherein, thermal machine transducer comprises the Article 1 forming by thermo bimetal or by marmem, it can be directly or indirectly by the current flow heats by current path and bending in the situation that electric current exceedes rated current, it is characterized in that, thermal machine transducer comprises the Article 2 being made up of material, this material can't help thermo bimetal and can't help marmem form, wherein, Article 2 is connected with Article 1, and for the sections bracing with connective positional of thermal machine transducer and switching mechanism connection is positioned to Article 2 place.It needs less manufacturing cost.
Another object of the present invention is to provide a kind of thermal machine transducer for installation switchgear, and its relatively known transducer needs less manufacturing cost.
This object realizes by installation switchgear according to the present invention and by thermal machine transducer according to the present invention.
According to the present invention, thermal machine transducer comprises the Article 2 being made up of material, this material can't help thermal bimetal material and can't help marmem form, wherein, Article 2 is connected with Article 1, and wherein, be positioned at Article 2 place for the sections bracing with connective positional (Koppelstelle) that thermal machine transducer and switching mechanism are connect mutually.
Article 2 is made up of the material to a certain extent when the temperature change with shape invariance (Forminvarianz).
Shape invariance in the time of temperature change should be understood to, and gets final product the normal thermal expansion of generating material, but material does not have the alteration of form of the stronger many orders of magnitude of this thermal expansion relatively, especially there is no anisotropic alteration of form yet.In brief, the shape invariance in the time of temperature change is interpreted as there is no bimetallic effect here.The bonding jumper being formed by the second material in the time that temperature raises not around by its wide lateral bend.
The present invention is based on this surprising understanding, the application of the bar of making by thermal bimetal material or by shape-memory material in whole length is optional for the function that ensures thermal machine transducer, heat trigger.In the time that a part for bar is made up of thermal bimetal material or shape-memory material, just enough.This part will be responsible for bending so.The sections bracing with connective positional that is used for connecting with swich buckle need to be at thermo bimetal's bar place.Can use this by the Article 2 that obviously more cheap material forms, it is connected with Article 1, and therefore it transmit the bending of Article 1.Therefore need still less with expensive thermo bimetal or expensive shape-memory material and therefore can manufacture more cheaply generally according to the structure of thermal machine transducer of the present invention.
According to a favourable form of implementation of the present invention, only act on thermal machine transducer in the region of Article 1 for the device that heats directly or indirectly heating power mechanical transducer.Only this region of Article 1 is flow through by the electric current of current path in the time directly heating.In the time of indirect, only in this region of Article 1, be wound around electric current winding (Stromwicklung) (it carries the electric current of current path) around thermal machine transducer.
According to a favourable form of implementation of the present invention, Article 1 is one-sided to be fixed on equipment place and to clamp in installation switchgear, wherein, Article 1 with clamp end relative and that put, position (Einspannstelle) and be fixed with Article 2.Cause thus with the sections bracing with connective positional (it is positioned at the free end of Article 2) of switching mechanism compared with macrobending.
According to a favourable form of implementation of the present invention, Article 1 is shorter than Article 2.This further saves expensive bimetallic material.
According to a favourable form of implementation of the present invention, Article 2 is made up of steel, and compared with thermo bimetal, this is the more very favorable material of cost.
According to a favourable form of implementation of the present invention, Article 2 is welded on Article 1 place.Welding is interconnection technique prove out and that can effectively carry out for connecting thermo bimetal and steel.
According to a favourable form of implementation of the present invention, Article 2 is fixedly connected by rolling and Article 1.Rolling has this advantage as interconnection technique, does not change the material structure at connecting portion place.
According to a favourable form of implementation of the present invention, Article 2 is arranged in narrow side ground connection (stumpf) in Article 1.
According to a favourable form of implementation of the present invention, Article 2 in Article 1, have overlapping (Ueberblattung) or have skew and be arranged on narrow side place.
A kind of according to the thermal machine transducer for installation switchgear of the present invention, wherein, thermal machine transducer comprises the Article 1 forming by metal or by marmem, it can be directly or indirectly by the current flow heats by current path and bending in the situation that electric current exceedes rated current, it is characterized in that, thermal machine transducer is as explained above to be built like that.
Only thermal machine transducer, i.e. realizing therein heating or occurring and, in the region of electric current, need to use thermal bimetal material in the region of the fixing point of transducer member with at transducer member.Two regions in use in installation switchgear conventionally on the same side, because this layout is favourable.
Therefore the bending transmission (Uebersetzung) of thermal machine transducer and thermal machine transducer also can utilize second component to implement to trigger mechanism place or to the connection of switch buckle, and its prolongation as first component is worked and for example, by favourable material, be made up of steel.Second component is fixedly mounted in first component, actuator-sensor-part place, and it is made up of thermal bimetal material.Second component also should be called as cantilever (Ausleger) here.
Second component in other words cantilever is born with trigger mechanism or with the connection of swich buckle and transmission or strengthen the bending of the actuator part, first component (its in heating time bending approximately circularly) of bottom at this.Cantilever itself is not bending, extends (Wegverlaengerung) work by its tangent layout that is connected in bending location as stroke.
For example can cantilever be installed to thermal bimetal material place by welding.May also be considered that in the operation of rolling (this is the known manufacture process for the manufacture of bimetal strip) and by rolling, steel part is connected with thermal bimetal material regularly.
Cantilever also can be installed ground connection, and it also can be offset ground with overlapping, in addition and install.
Can be used in principle in all utilizations that use thermo bimetal with the saving of the bimetallic of cantilever and the bimetallic material of generation.
Brief description of the drawings
Should (embodiments of the invention be shown therein) with reference to the accompanying drawings and elaborate and illustrate the present invention and other favourable design and improvement project and additional advantage.
Wherein:
Unique accompanying drawing schematically show with good grounds thermal machine transducer of the present invention according to installation switchgear of the present invention.
List of numerals
1 thermal machine transducer
2 installation switchgears
3 actuator bars (Aktorstreifen)
3a Article 1
4 Article 2
5 conductions-bonding jumper
6 are fixed on the bus-bar at equipment place
8 conductors
9 sections bracing with connective positionals
10 clamp position
10a pad
12 fixed contact therefors
13 movable contacts
14 arc-control devices
15 electric arc guide rails, fixing contact guide rail
16 electric arcs-guide rail
20 cases
21 front sides
22 narrow sides
23 narrow sides
24 fixation side
25 first joint Terminals
26 second joint Terminals
27 first wiring bus-bars (Klemmenstromschiene)
28 contact levers
29 fixing contact supports
30 coils
31 clash into armature system
32 first effective connecting lines
33 switching mechanisms
34 the 3rd effective connecting lines
35 the 4th effective connecting lines
36 selector bars
37 first side legs
38 Second Edge legs
41 second effective connecting lines
42 the 5th effective connecting lines.
Embodiment
Installation switchgear, for example line protection switch 2 have the case 20 being made up of insulating material, and it is with front side 21, narrow side 22,23 and fixation side 24.In narrow side there is the first joint Terminal 25 for connecting conductor in 23 places, and have at relative narrow side 22 places the second joint Terminal 26 that connects conductor for connecting another.In the inside of installation switchgear current path from the first joint Terminal 25, the first wiring bus-bar 27, with the thermal machine transducer 1 of actuator bar 3 (its in addition below also more specifically bright) extend to conductor 8, here movably twisted wire (Litze).Twisted wire 8 is welded on contact lever 28 places of supporting swingably with its free end.Have movable contact 13 at the free end of contact lever 28, it forms contact site together with fixed contact therefor 12.In the diagram of accompanying drawing, contact site is shown in the state of opening, and when contact lever 28 is during by counter-clockwise swing, contact site is closed.
Fixed contact therefor 12 is positioned at fixing contact support 29 places of the formal construction of fixing contact angle (Festkontakthorn).Current path continues to extend to the second joint Terminal 26 via the coil 30 of the shock armature system 31 of magnetic from fixing contact support 29.
Clashing into armature system 31 connects with contact lever 28 mutually via first effective connecting line 32.In addition, installation switchgear 2 comprises swich buckle or switching mechanism 33.Switching mechanism 33 connects with contact lever 28 equally mutually via second effective connecting line 41.Actuator articles 3 connects with switching mechanism 33 equally mutually via the 3rd effective connecting line 34.
In front side there is swingable selector bar 36 in 21 places, and it connects with switching mechanism 33 equally mutually via the 4th effective connecting line 35.
The in the situation that of short circuit current, clash into armature system 31 and clash into fast contact site, and be applied on swich buckle 33 simultaneously and open to keep in touch constantly position via the 5th effective connecting line 42.
In the time that contact site is opened fast, can be created in there the switching arc (Schaltlichtbogen) between fixing and movable contact 12,13.Due to the arc blowing function (Blaswirkung) of magnetic, it is driven to the right away from contact site.If what a basic point (Fusspunkt) was converted to electric arc-guide rail 16 at this from movable contact extends to the first side leg 37 contact site obliquely, its Second Edge leg 38 is near fixation side 24 and be approximately parallel to it and be arranged in case 20.The second basic point of switching arc is converted to fixing contact guide rail 15 from the bending intercept of fixing contact angle 29, and it is parallel to electric arc-guide rail 16 has spacing and be arranged in case 20 with it.The known arc-control device 14 of existence itself, the stacking layout of for example arc extinguishing board between these two guide rails 15,16, electric arc enter wherein and therein electric arc be broken down into a series of sub-electric arc, thereby make generally arc voltage improve and make thus electric arc extinguish fast.
By means of change lever 36, change the internal state of swich buckle via effective connecting line 35 by the swing of selector bar, can manually turn on and off contact site, thereby untie (Entklinken) junction (Verklinkungsstelle) once, making thus contact lever be released into by Spring driving swings to left in open position, or make again junction be connected, thereby the oscillating motion of selector bar 36 can be changed into the oscillating motion of contact lever, contact lever is come such position thus, contact spring (not drawing) is pressed to fixing contact with the contact of needs therein.
Actuator bar 3 bendings in the case of the overcurrent of heating power.This bending realizes around wide side, in diagram with reference to the accompanying drawings perpendicular to drawing plane.The diagram of this accompanying drawing is for illustrating and especially can be used as schematically and observe about the layout of actuator bar 3 more significantly.Conventionally the actuator bar of thermal machine transducer is arranged so that bending around its a wide side realization in the narrow side of case in installation switchgear.In the diagram of accompanying drawing, in such form of implementation, will make so actuator bar 3 around its longitudinal axis half-twist.
Via effective connecting line 34, actuator bar 3 is applied to which on switching mechanism 33 so in the time that it is bending, unties junction and contact lever 28 is taken in open position, as explained above.
The 26S Proteasome Structure and Function of installation switchgear is known in the prior art in principle on this point.
Illustrate now thermal machine transducer 1 according to mechanism of the present invention.
Heat trigger assembly 1 has actuator bar 3, and its (in the diagram middle and lower part of accompanying drawing) at it clamps regularly in the face of 10 places, end and the case of fixation side 24.Therefore this end 10 is also referred to as pinching end (Einspannende) 10.For as the mode that can realize the clamping fixing with case, there are multiple possibilities, it is known for professional person in principle.
Clamping 10 places, position, actuator bar 3 mechanically and is electrically connected with the first wiring bus-bar 27 from the first joint Terminal 25, for example welding.Via conduction-bonding jumper 5, the clamping position 10 of actuator bar 3 mechanically and is electrically connected with the bus-bar 6 that is fixed on equipment place.Be configured in the intermediate location place between first side leg 37 and bus-bar 6 and produce in the segmental arc of U-shaped towards the bending of fixation side 24 by its free end due to limit leg 37, the bus-bar 6 that is fixed on equipment place is configured in first side leg 37 places of electric arc guide rail 16.
Actuator bar 3 by first and second, form also referred to as part bar.Article 1,3a is made up of thermo bimetal and is the part with pinching end 10.
Article 24 is made up of steel, and it does not have bimetallic effect.
Article 24 is also referred to as cantilever.Cantilever arrives the thermal bimetal material place of Article 1 3a by welded and installed.May also be considered that, in the operation of rolling of manufacturing bimetal strip, steel part is connected with thermal bimetal material regularly by rolling.Can cantilever 4 be installed to ground connection, it also can be arranged on to skew Article 1 3a place with overlapping, in addition.
There is pad 10a near the intermediate location between Article 1 3a and cantilever, be welded on Article 1 3a place at its place's conductor 8.Therefore the electric current of current path only flows through Article 1 3a, does not flow through cantilever.Only Article 1 3a bending in the time heating due to overcurrent.The transmission of this bending and realizing via cantilever with the connection of swich buckle 22.Cantilever is born with trigger mechanism or with the connection of swich buckle 33 and transmission or strengthen the bending of First bulk-breaking 3a, and it is bending approximately circularly in the time of heating.Cantilever itself is not bending, the layout by its tangent bending location that is connected in Article 1 3a and working as extension.
There is the sections bracing with connective positional 9 for connecting with swich buckle 33 at the free end of cantilever 4, here with the form of nose.Utilize this nose, cantilever 5 and drive link or segmental support (Buegel), in effective connection, schematically represent by the 3rd effective connecting line 34 here, and its bending by actuator bar 3 is delivered on swich buckle 33.
Article 1,3a is shorter than cantilever, and the use of expensive bimetallic material seldom and the manufacturing cost step-down of thermal machine transducer 1 thus.
With can being used in principle in all utilizations that use thermo bimetal according to design of the present invention (with the saving of consequent bimetallic material) of the thermal machine transducer of the form of the First itemize being formed by thermo bimetal with the cantilever being formed by steel.
The present invention also comprises combination in any preferred form of implementation and each design feature or improvement project at this, as long as it does not repel mutually.
Claims (10)
1. the installation switchgear with thermal machine transducer (1) (2), it is included in the first joint Terminal and the second joint Terminal (25, 26) between, guide with by fixed contact therefor and movable contact (12, 13) current path of at least one contact site of formation and at least one switching mechanism (33) of opening and staying open for described contact site, wherein, described thermal machine transducer (1) comprises the Article 1 (3a) forming by thermo bimetal or by marmem, it can be directly or indirectly by the current flow heats by described current path and bending in the situation that electric current exceedes rated current, it is characterized in that, described thermal machine transducer (1) comprises the Article 2 (4) being made up of material, described material can't help thermo bimetal and can't help marmem form, wherein, described Article 2 (4) is connected with described Article 1 (3a), and being positioned at described Article 2 (4) for the sections bracing with connective positional (9) that described thermal machine transducer (1) and described switching mechanism (33) are connect locates.
2. installation switchgear according to claim 1 (2), it is characterized in that, only act on described thermal machine transducer (1) in the region of described Article 1 (3a) for the device that heats directly or indirectly described thermal machine transducer (1).
3. installation switchgear according to claim 1 (2), it is characterized in that, described Article 1 (3a) is one-sided to be fixed on equipment place and to clamp in described installation switchgear (2), wherein, described Article 2 (4) be fixed on described Article 1 with clamp the relative and end of putting, position (10).
4. installation switchgear according to claim 1 (2), is characterized in that, described Article 1 (3a) is shorter than described Article 2 (4).
5. installation switchgear according to claim 1 (2), is characterized in that, described Article 2 (4) is made up of steel.
6. installation switchgear according to claim 1 (2), is characterized in that, described Article 2 (4) is welded on described Article 1 (3a) and locates.
7. installation switchgear according to claim 1 (2), is characterized in that, described Article 2 (4) is fixedly connected by rolling and described Article 1 (3a).
8. installation switchgear according to claim 1 (2), is characterized in that, described Article 2 (4) is above arranged in narrow side ground connection in described Article 1 (3a).
9. installation switchgear according to claim 1 (2), is characterized in that, described Article 2 (4) has overlappingly or has skew and is arranged on narrow side place in described Article 1 (3a).
10. the thermal machine transducer (1) for installation switchgear (2), wherein, described thermal machine transducer (1) comprises the Article 1 (3a) forming by thermo bimetal or by marmem, it can be directly or indirectly by the current flow heats by described current path and bending in the situation that electric current exceedes rated current, it is characterized in that, described thermal machine transducer (1) is as illustrated in any one in claim 1 to 9, build.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201210013433 DE102012013433B4 (en) | 2012-07-05 | 2012-07-05 | Installation switching device with a thermomechanical converter |
| DE102012013433.9 | 2012-07-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203760399U true CN203760399U (en) | 2014-08-06 |
Family
ID=49780508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320398887.5U Expired - Fee Related CN203760399U (en) | 2012-07-05 | 2013-07-05 | Thermal machine converter-equipped installation switch device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN203760399U (en) |
| DE (1) | DE102012013433B4 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108269718A (en) * | 2018-01-17 | 2018-07-10 | 安徽中骄智能科技有限公司 | A kind of electrical contact separation and arc extinguishing structure device based on heat transfer driving |
| CN112461882A (en) * | 2017-12-01 | 2021-03-09 | 广东工业大学 | Method for testing shape memory performance of surface microstructure |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016210485A1 (en) | 2016-06-14 | 2017-12-14 | Siemens Aktiengesellschaft | Electromechanical protection device with an overload release device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE487107A (en) * | 1948-02-13 | |||
| DE4445170C2 (en) | 1994-12-17 | 1997-02-13 | Abb Patent Gmbh | Thermal trigger |
| JP2010282787A (en) * | 2009-06-03 | 2010-12-16 | Mitsubishi Electric Corp | Thermal tripping device, and circuit breaker |
-
2012
- 2012-07-05 DE DE201210013433 patent/DE102012013433B4/en not_active Expired - Fee Related
-
2013
- 2013-07-05 CN CN201320398887.5U patent/CN203760399U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112461882A (en) * | 2017-12-01 | 2021-03-09 | 广东工业大学 | Method for testing shape memory performance of surface microstructure |
| CN112461882B (en) * | 2017-12-01 | 2023-12-29 | 广东工业大学 | Method for testing shape memory performance of surface microstructure |
| CN108269718A (en) * | 2018-01-17 | 2018-07-10 | 安徽中骄智能科技有限公司 | A kind of electrical contact separation and arc extinguishing structure device based on heat transfer driving |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102012013433B4 (en) | 2014-04-17 |
| DE102012013433A1 (en) | 2014-01-09 |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20170705 |
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| CF01 | Termination of patent right due to non-payment of annual fee |