CN205335204U - Thermomagnetic release of circuit breaker - Google Patents
Thermomagnetic release of circuit breaker Download PDFInfo
- Publication number
- CN205335204U CN205335204U CN201521074364.0U CN201521074364U CN205335204U CN 205335204 U CN205335204 U CN 205335204U CN 201521074364 U CN201521074364 U CN 201521074364U CN 205335204 U CN205335204 U CN 205335204U
- Authority
- CN
- China
- Prior art keywords
- coil
- plate
- yoke
- bimetal leaf
- iron core
- 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.)
- Active
Links
Landscapes
- General Induction Heating (AREA)
Abstract
Thermomagnetic release of circuit breaker include contact plate, yoke support and with the bimetallic strip and the coil of yoke leg joint, wherein the contact plate is connected with bimetallic strip and coil electricity respectively for flow through partly flow direction bimetallic strip of electric current of contact plate, another part flow direction coil, and bimetallic strip passes through the yoke support and is connected with the indirect electricity of coil for bimetallic strip's the current conveyance yoke support of flowing through gets into the coil. The utility model provides a thermomagnetic release of circuit breaker effectively shunts through the electric current to the contact plate of flowing through to can realize overload protection, can reduce the product temperature rise again, simple structure is reliable, improves reliability and stability that the circuit breaker was threaded off and is moved.
Description
Technical field
This utility model relates to Low Voltage Electrical Apparatus, is specifically related to the Pyromagnetic release of a kind of chopper。
Background technology
The major function of miniature circuit breaker is to be realized overload long delay protection and open circuit instantaneous protection by Pyromagnetic release; the operation principle of hot tripping system realizes mainly by directly-heated type and heater-type two ways, and directly-heated type is bend work by the direct current-carrying heating of double; two gold；Heater-type is that the current-carrying heating by thermal element is delivered to double; two gold and causes heating bending to carry out work。The hot tripping system of existing miniature circuit breaker is mainly directly-heated type structure; electric current is either directly through bimetal leaf, but when the electric current that flows through is bigger, it is easy to occur that time-delay characteristics are unstable; causing such main cause is temperature rise, thus affecting stability and the reliability of overload protection；And in existing miniature circuit breaker, Pyromagnetic release is difficult to Fast Installation and puts in place, need during installation repeatedly to debug, waste time and energy, there is the problems such as efficiency of assembling is low, mounting stability is not high。
Summary of the invention
The purpose of this utility model is in that to overcome the defect of prior art, it is provided that the Pyromagnetic release of the chopper that a kind of temperature rise is low, simple and reliable。
For achieving the above object, this utility model adopts the technical scheme that
A kind of Pyromagnetic release of chopper, including contact plate 6, yoke 1 and the bimetal leaf 5 being connected with yoke 1 and coil 4, wherein said contact plate 6 electrically connects with bimetal leaf 5 and coil 4 respectively, the electric current part passing through contact plate 6 flows to bimetal leaf 5, and another part flows to coil 4；And described bimetal leaf 5 is connected with coil 4 Indirect Electro by yoke 1 so that flow through the electric current of bimetal leaf 5 and pass through yoke 1 and enter coil 4。
Preferably, described contact plate 6 is flexible coupling by first and 7 electrically connects with coil 4, and described contact plate 6 passes through second and is flexible coupling and 8 electrically connects with bimetal leaf 5；First be flexible coupling 7 sectional area be flexible coupling more than second 8 sectional area flow directly into coil 4 to realize flowing through the electric current major part of contact plate 6, fraction enters coil 4 by bimetal leaf 5 and yoke 1。
Preferably, described bimetal leaf 5 includes the first sheet metal 51 and the second sheet metal 52 of L-shaped connection, and the first sheet metal 51 of bimetal leaf 5 electrically connects with contact plate 6, and the second sheet metal 52 of bimetal leaf 5 contacts connection with yoke 1。
Preferably, also including the core assembly 2 and the coil rack 3 that are arranged on yoke 1, core assembly 2 is arranged in the barrel chamber 31 of coil rack 3, and coil 4 is sleeved on the outer wall of coil rack 3；Described core assembly 2 includes the dynamic iron core 21, push rod 22 and the static iron core 23 that are connected and the iron core reaction spring 24 being arranged between push rod 22 and static iron core 23。
Preferably, described yoke 1 includes bottom support plate 11, and perpendicular separation is arranged on the left installing plate 12 on bottom support plate 11 and right installing plate 13, bimetal leaf 5 is welded on the bottom support plate 11 of yoke 1, left installing plate 12 is provided with the left draw-in groove 121 of the static iron core 23 filling core assembly 2 for card, right installing plate 13 is provided with the right draw-in groove 131 of the skeleton 3 that installs coil for card, coil 4 is sleeved on the coil rack 3 between left installing plate 12 and right installing plate 13, one end of coil 4 is welded on the bottom support plate 11 of yoke 1, the other end of coil 4 is fixed on coil rack 3。
Preferably, the left end of described bottom support plate 11 stretches out formation one for welding the kink 111 of bimetal leaf 5, and one end of described kink 111 maintains an equal level with the end face of bottom support plate 11, and the other end of kink 111 is folded upward at；Described bimetal leaf 5 includes the first sheet metal 51 and the second sheet metal 52 of L-shaped connection, and the first sheet metal 51 of bimetal leaf 5 electrically connects with contact plate 6, and the second sheet metal 52 of bimetal leaf 5 welds laminating with the fair end of the kink 111 of yoke 1。
Preferably, described bottom support plate 11 being provided with kink 111 adjacent the connection boss 112 for welding coil 4, coil 4 is welded on connecting on boss 112 and not contacting connection with the bimetal leaf 5 being welded on kink 111 of bottom support plate 11。
Preferably, described yoke 1 also includes the rear connecting plate 14 that be connected U-shaped with left installing plate 12 and right installing plate 13, described left installing plate 12 and right installing plate 13 are disposed on the top of bottom support plate 11, and are extended downward by rear connecting plate 14 and be connected on bottom support plate 11 to realize being fixed on bottom support plate 11。
Preferably, the right-hand member of described coil rack 3 is horizontally disposed with the U-shaped plate 34 of the other end filling described coil 4 for card on the lower, the A/F of U-shaped plate 34 and the thickness of coil 4 are suitable, in coil 4 just can pass the opening of U-shaped plate 34 and be fixed on the opening of U-shaped plate 34；The clamping plate 35 that the top right installing plate 13 being vertically provided with yoke 1 of the right-hand member of described coil rack 3 coordinates, clamping plate 35 and right installing plate 13 contact surface are provided with for being fixed on the draw-in groove on right installing plate 13。
Preferably, described static iron core 23 be axially coaxially provided with the spring pilot hole 232 for iron core reaction spring 24 action and the push rod pilot hole 233 for push rod 22 action；The aperture of spring pilot hole 232 more than the aperture of push rod pilot hole 233, is formed between spring pilot hole 232 and push rod pilot hole 233 and keeps out boss 234 for what keep out iron core reaction spring 24；The end abutment of one end of push rod 22 and dynamic iron core 21, the other end of push rod 22 passes sequentially through spring pilot hole 232 and the push rod pilot hole 233 of static iron core 23；Described iron core reaction spring 24 is sleeved on push rod 22, and one end of iron core reaction spring 24 abuts with push rod 22, and the other end is connected to the keeping out on boss 234 of static iron core 23 by the spring pilot hole 232 of static iron core 23。
The Pyromagnetic release of chopper of the present utility model, by the electric current flowing through contact plate is effectively tapped, thus overload protection can be realized, can reduce again product temperature rise, simple and reliable for structure, improves the reliability and stability of circuit breaker tripping action。By using being flexible coupling of varying in size of sectional area to realize unequal shunting, the reliability of overload protection can be effectively improved, can effectively reduce again product temperature rise；Avoid thicker being flexible coupling to hinder the normal bending interfering bimetal leaf simultaneously, improve stability and the reliability of product。Rationally distributed, mutually non-interference, ensure shunting effect；Connect the setting of boss, both set winding welding positions on yoke, bimetal leaf can be kept out again to position bimetal leaf welding position on yoke, fast and easy positioning welding, ensure that coil is non-interference with the welding position of bimetal leaf。Additionally, the assembling simple in construction of coil, coil rack, core assembly, yoke, reliable and efficiency height。
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the Pyromagnetic release of chopper of the present utility model；
Fig. 2 is the right axonometric drawing of the Pyromagnetic release of chopper of the present utility model；
Fig. 3 is the left axonometric drawing of the Pyromagnetic release of chopper of the present utility model；
Fig. 4 is the sectional view of coil rack of the present utility model and core assembly；
Fig. 5 is the sectional view of static iron core of the present utility model。
Detailed description of the invention
Below in conjunction with the embodiment that accompanying drawing 1 to 5 provides, further illustrate the detailed description of the invention of the Pyromagnetic release of chopper of the present utility model。The Pyromagnetic release of chopper of the present utility model is not limited to the following description。
As shown in Figure 1, the Pyromagnetic release of chopper of the present utility model includes contact plate 6, yoke 1 and the bimetal leaf 5 being connected with yoke 1 and coil 4, wherein said contact plate 6 electrically connects with bimetal leaf 5 and coil 4 respectively, the electric current part passing through contact plate 6 flows to bimetal leaf 5, and another part flows to coil 4；And described bimetal leaf 5 is connected with coil 4 Indirect Electro by yoke 1 so that flow through the electric current of bimetal leaf 5 and pass through yoke 1 and enter coil 4。The electric current part flowing through contact plate 6 directly flows out from coil 4; another part passes sequentially through bimetal leaf 5, yoke 1 enters back into coil 4; the electric current flowing through contact plate is effectively tapped; thus overload protection can be realized; product temperature rise can be reduced again; simple and reliable for structure, improve the reliability and stability of circuit breaker tripping action。
The connected mode of contact plate 6 of the present utility model and bimetal leaf 5, coil 4, described contact plate 6 is flexible coupling respectively through first and 7 and second is flexible coupling and 8 electrically connects with coil 4 and bimetal leaf 5, first be flexible coupling 7 be flexible coupling with second 8 one end by being welded on contact plate 6 together with spot welding, first be flexible coupling 7 the other end be welded on the end that coil 4 is connected with yoke 1, second be flexible coupling 8 the other end be welded on bimetal leaf 5 do not contact with yoke 1 connect end on；Wherein first be flexible coupling 7 sectional area be flexible coupling more than second 8 sectional area flow directly into coil 4 to realize flowing through the electric current major part of contact plate 6, fraction enters coil 4 by bimetal leaf 5 and yoke 1。By using being flexible coupling of varying in size of sectional area to realize unequal shunting, the reliability of overload protection can be effectively improved, can effectively reduce again product temperature rise；Avoid thicker being flexible coupling to hinder the normal bending interfering bimetal leaf simultaneously, improve stability and the reliability of product。
As shown in Figures 2 and 3, the Pyromagnetic release of chopper of the present utility model also includes the core assembly 2 and the coil rack 3 that are arranged on yoke 1, and core assembly 2 is arranged in the barrel chamber 31 of coil rack 3, and coil 4 is sleeved on the outer wall of coil rack 3；Described core assembly 2 includes the dynamic iron core 21, push rod 22 and the static iron core 23 that are connected and the iron core reaction spring 24 being arranged between push rod 22 and static iron core 23。
Yoke 1 of the present utility model includes bottom support plate 11, and perpendicular separation is arranged on the left installing plate 12 on bottom support plate 11 and right installing plate 13, bimetal leaf 5 is welded on the bottom support plate 11 of yoke 1, left installing plate 12 is provided with the static iron core 23 for card dress core assembly 2 and stretches out the left draw-in groove 121 of the external part outside barrel chamber 31, the external part of static iron core 23 is provided with the fixing groove 231 coordinated with left installing plate 12, the width of fixing groove 231 is suitable with the thickness of left installing plate 12, static iron core 23 just can pass through fixing groove 231 thereon and be fixedly mounted on the left installing plate 12 of yoke 1；Right installing plate 13 is provided with the right draw-in groove 131 of the skeleton 3 that installs coil for card, coil 4 is sleeved on the coil rack 3 between left installing plate 12 and right installing plate 13, one end of coil 4 is welded on the bottom support plate 11 of yoke 1, and the other end of coil 4 is fixed on coil rack 3。
Bimetal leaf 5 of the present utility model includes the first sheet metal 51 and the second sheet metal 52 of L-shaped connection, and the first sheet metal 51 of bimetal leaf 5 is flexible coupling by second and 8 electrically connects with contact plate 6, and the second sheet metal 52 of bimetal leaf 5 contacts connection with yoke 1；Further, the left end of described bottom support plate 11 stretches out formation one for welding the kink 111 of bimetal leaf 5, and one end of described kink 111 maintains an equal level with the end face of bottom support plate 11, and the other end of kink 111 is folded upward at；First sheet metal 51 of bimetal leaf 5 is flexible coupling by second and 8 electrically connects with contact plate 6, and the second sheet metal 52 of bimetal leaf 5 welds laminating with the fair end of the kink 111 of yoke 1。Be provided with the connection boss 112 for welding coil 4 on bottom support plate 11 with kink 111 adjacent, coil 4 is welded on connecting on boss 112 and not contacting connection with the bimetal leaf 5 being welded on kink 111 of bottom support plate 11。Rationally distributed, mutually non-interference, ensure shunting effect；Connect the setting of boss, both set winding welding positions on yoke, bimetal leaf can be kept out again to position bimetal leaf welding position on yoke, fast and easy positioning welding, ensure that coil is non-interference with the welding position of bimetal leaf。
Yoke 1 of the present utility model also includes the rear connecting plate 14 that be connected U-shaped with left installing plate 12 and right installing plate 13, described left installing plate 12 and right installing plate 13 are disposed on the top of bottom support plate 11, and are extended downward by rear connecting plate 14 and be connected on bottom support plate 11 to realize being fixed on bottom support plate 11。The setting of rear connecting plate, it is to avoid left installing plate and right installing plate interfere the installation of other parts, simplifies the fit structure of left installing plate and right installing plate and other parts, simple in construction and solid and reliable, it is easy to processing, and is easy to overall assembling, improve efficiency of assembling and stability。
In order to improve the stability of overall assembling, as shown in Figures 2 and 3, the right-hand member of coil rack 3 of the present utility model is horizontally disposed with the U-shaped plate 34 of the other end filling described coil 4 for card on the lower, the A/F of U-shaped plate 34 and the thickness of coil 4 are suitable, in coil 4 just can pass the opening of U-shaped plate 34 and be fixed on the opening of U-shaped plate 34；The clamping plate 35 that the top right installing plate 13 being vertically provided with yoke 1 of the right-hand member of described coil rack 3 coordinates, clamping plate 35 and right installing plate 13 contact surface are provided with for being fixed on the draw-in groove on right installing plate 13。Simple in construction and rationally distributed, it is simple to assembling, improves efficiency of assembling and stability。
As shown in Figure 4 and Figure 5, static iron core 23 of the present utility model be axially coaxially provided with the connected spring pilot hole 232 for iron core reaction spring 24 action and the push rod pilot hole 233 for push rod 22 action；That one end that push rod pilot hole 233 and barrel chamber 31 are interlinked to the outside is provided with flare openings, it is easy to processing, it is simple to push rod action, ensures the stability of circuit breaker tripping；The aperture of spring pilot hole 232 more than the aperture of push rod pilot hole 233, is formed between spring pilot hole 232 and push rod pilot hole 233 and keeps out boss 234 for what keep out iron core reaction spring 24；The end abutment of one end of push rod 22 and dynamic iron core 21, the other end of push rod 22 passes sequentially through spring pilot hole 232 and the push rod pilot hole 233 of static iron core 23；Described iron core reaction spring 24 is sleeved on push rod 22, and one end of iron core reaction spring 24 abuts with push rod 22, and the other end is connected to the keeping out on boss 234 of static iron core 23 by the spring pilot hole 232 of static iron core 23。
The mounting means of core assembly 2 of the present utility model, dynamic iron core 21, the push rod 22 being set with outward iron core reaction spring 24 and static iron core 23 are sequentially arranged in the barrel chamber 31 of coil rack 3 from right to left；The left end being positioned at the dynamic iron core 21 of barrel chamber 31 right-hand member is kept out in barrel chamber 31, the right-hand member of dynamic iron core 21 is exposed at outside barrel chamber 31, the external diameter size difference of the left and right end junction of dynamic iron core 21 forms the first spacing block set 211, correspondingly, the barrel chamber 31 right-hand member exit of coil rack 3 is provided with the second spacing block set 36 of cooperation, and the spacing of dynamic iron core 21 actuating length is deviate from keeping out dynamic iron core 21 by cooperatively forming of the first spacing block set 211 and the second spacing block set 36 in the barrel chamber 31 of coil rack 3；The right-hand member being positioned at the static iron core 23 of barrel chamber 31 left end snaps in the barrel chamber 31 of coil rack 3, and the left end of static iron core 23 is stretched out outside barrel chamber 31 and is fixed on the left installing plate 12 of yoke 1 by fixing groove 231 thereon。
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, it is impossible to assert that of the present utility model being embodied as is confined to these explanations。For this utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, it is also possible to make some simple deduction or replace, protection domain of the present utility model all should be considered as belonging to。
Claims (10)
1. the Pyromagnetic release of a chopper, it is characterized in that: include contact plate (6), yoke (1) and the bimetal leaf (5) being connected with yoke (1) and coil (4), wherein said contact plate (6) electrically connects with bimetal leaf (5) and coil (4) respectively, the electric current part passing through contact plate (6) flows to bimetal leaf (5), and another part flows to coil (4)；And described bimetal leaf (5) is connected with coil (4) Indirect Electro by yoke (1) so that the electric current flowing through bimetal leaf (5) enters coil (4) by yoke (1)。
2. the Pyromagnetic release of chopper according to claim 1, it is characterized in that: described contact plate (6) by first be flexible coupling (7) electrically connect with coil (4), described contact plate (6) by second be flexible coupling (8) electrically connect with bimetal leaf (5)；Be flexible coupling more than second sectional area of (8) of first sectional area being flexible coupling (7) flows directly into coil (4) to realize flowing through the electric current major part of contact plate (6), and fraction is by bimetal leaf (5) and yoke (1) entrance coil (4)。
3. the Pyromagnetic release of chopper according to claim 1, it is characterized in that: described bimetal leaf (5) includes the first sheet metal (51) and second sheet metal (52) of L-shaped connection, first sheet metal (51) of bimetal leaf (5) electrically connects with contact plate (6), and second sheet metal (52) of bimetal leaf (5) contacts connection with yoke (1)。
4. the Pyromagnetic release of chopper according to claim 1, it is characterized in that: also include the core assembly (2) and the coil rack (3) that are arranged on yoke (1), core assembly (2) is arranged in the barrel chamber (31) of coil rack (3), and coil (4) is sleeved on the outer wall of coil rack (3)；Described core assembly (2) includes the dynamic iron core (21), push rod (22) and the static iron core (23) that are connected and the iron core reaction spring (24) being arranged between push rod (22) and static iron core (23)。
5. the Pyromagnetic release of chopper according to claim 4, it is characterized in that: described yoke (1) includes bottom support plate (11), and perpendicular separation is arranged on the left installing plate (12) on bottom support plate (11) and right installing plate (13), bimetal leaf (5) is welded on the bottom support plate (11) of yoke (1), left installing plate (12) is provided with the left draw-in groove (121) of the static iron core (23) filling core assembly (2) for card, right installing plate (13) is provided with the right draw-in groove (131) of the skeleton (3) that installs coil for card, coil (4) is sleeved on the coil rack (3) between left installing plate (12) and right installing plate (13), one end of coil (4) is welded on the bottom support plate (11) of yoke (1), the other end of coil (4) is fixed on coil rack (3)。
6. the Pyromagnetic release of chopper according to claim 5, it is characterized in that: the left end of described bottom support plate (11) stretches out formation one for welding the kink (111) of bimetal leaf (5), one end of described kink (111) is fair with the end face of bottom support plate (11), and the other end of kink (111) is folded upward at；Described bimetal leaf (5) includes the first sheet metal (51) and second sheet metal (52) of L-shaped connection, first sheet metal (51) of bimetal leaf (5) electrically connects with contact plate (6), and second sheet metal (52) of bimetal leaf (5) welds laminating with the fair end of the kink of yoke (1) (111)。
7. the Pyromagnetic release of chopper according to claim 6, it is characterized in that: the upper connection boss (112) being provided with kink (111) adjacent for welding coil (4) of described bottom support plate (11), coil (4) is welded on the connection boss (112) of bottom support plate (11) and above and does not contact connection with the bimetal leaf (5) being welded on kink (111)。
8. the Pyromagnetic release of chopper according to claim 5, it is characterized in that: described yoke (1) also includes the rear connecting plate (14) that be connected U-shaped with left installing plate (12) and right installing plate (13), described left installing plate (12) and right installing plate (13) are disposed on the top of bottom support plate (11), and are extended downward by rear connecting plate (14) and be connected to bottom support plate (11) on and be fixed on bottom support plate (11) with realization。
9. the Pyromagnetic release of chopper according to claim 5, it is characterized in that: the right-hand member of described coil rack (3) is horizontally disposed with the U-shaped plate (34) of the other end filling described coil (4) for card on the lower, the thickness of the A/F of U-shaped plate (34) and coil (4) is suitable, in coil (4) just can pass the opening of U-shaped plate (34) and be fixed on the opening of U-shaped plate (34)；The clamping plate (35) that the top right installing plate (13) being vertically provided with yoke (1) of the right-hand member of described coil rack (3) coordinates, clamping plate (35) and right installing plate (13) contact surface are provided with for being fixed on the draw-in groove on right installing plate (13)。
10. the Pyromagnetic release of chopper according to claim 4, it is characterised in that: described static iron core (23) be axially coaxially provided with the spring pilot hole (232) for iron core reaction spring (24) action and for the push rod pilot hole (233) of push rod (22) action；The aperture of spring pilot hole (232) more than the aperture of push rod pilot hole (233), formed between spring pilot hole (232) and push rod pilot hole (233) be used for keeping out iron core reaction spring (24) keep out boss (234)；The end abutment of one end of push rod (22) and dynamic iron core (21), the other end of push rod (22) passes sequentially through spring pilot hole (232) and the push rod pilot hole (233) of static iron core (23)；Described iron core reaction spring (24) is sleeved on push rod (22), one end of iron core reaction spring (24) abuts with push rod (22), and the other end is connected to the keeping out on boss (234) of static iron core (23) by the spring pilot hole (232) of static iron core (23)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521074364.0U CN205335204U (en) | 2015-12-21 | 2015-12-21 | Thermomagnetic release of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521074364.0U CN205335204U (en) | 2015-12-21 | 2015-12-21 | Thermomagnetic release of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205335204U true CN205335204U (en) | 2016-06-22 |
Family
ID=56208491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521074364.0U Active CN205335204U (en) | 2015-12-21 | 2015-12-21 | Thermomagnetic release of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205335204U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106898528A (en) * | 2015-12-21 | 2017-06-27 | 浙江正泰电器股份有限公司 | The Pyromagnetic release of breaker |
| CN109243936A (en) * | 2018-10-26 | 2019-01-18 | 厦门国研科技有限公司 | A kind of multiloop breaker |
| CN109712851A (en) * | 2017-10-25 | 2019-05-03 | 浙江正泰电器股份有限公司 | Electromagnetic trip device assembly |
-
2015
- 2015-12-21 CN CN201521074364.0U patent/CN205335204U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106898528A (en) * | 2015-12-21 | 2017-06-27 | 浙江正泰电器股份有限公司 | The Pyromagnetic release of breaker |
| CN106898528B (en) * | 2015-12-21 | 2019-09-06 | 浙江正泰电器股份有限公司 | The Pyromagnetic release of breaker |
| CN109712851A (en) * | 2017-10-25 | 2019-05-03 | 浙江正泰电器股份有限公司 | Electromagnetic trip device assembly |
| CN109712851B (en) * | 2017-10-25 | 2024-04-12 | 浙江正泰电器股份有限公司 | Electromagnetic release assembly |
| CN109243936A (en) * | 2018-10-26 | 2019-01-18 | 厦门国研科技有限公司 | A kind of multiloop breaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205335204U (en) | Thermomagnetic release of circuit breaker | |
| CN104733259B (en) | Trip gear for breaker | |
| CN104576240B (en) | Trip device for circuit breaker | |
| CN106898528B (en) | The Pyromagnetic release of breaker | |
| CN205335193U (en) | Hot not trip gear that reports to police that transships of circuit breaker | |
| US8872606B1 (en) | Bimetal and magnetic armature providing an arc splatter resistant offset therebetween, and circuit breaker including the same | |
| CN206422024U (en) | Miniature circuit breaker | |
| CN107210145A (en) | Relay with two current paths being connected in parallel | |
| CN207303012U (en) | Motor starter thermal trip structure | |
| CN208970429U (en) | A kind of double rivet type thermal protectors | |
| JP4905112B2 (en) | Circuit breaker overcurrent trip device | |
| CN205582858U (en) | Electromagnetism release of armature support is regarded as with iron core | |
| CN206602092U (en) | A kind of high current miniature circuit breaker | |
| CN206022276U (en) | Breaker | |
| CN204651274U (en) | Miniature circuit breaker | |
| CN204651276U (en) | A kind of Novel small-sized circuit breaker | |
| CN204516709U (en) | Breaker of plastic casing | |
| CN203644711U (en) | Magnetic system structure of small circuit breaker | |
| CN204651275U (en) | A kind of miniature circuit breaker | |
| CN207381326U (en) | A kind of relay applied under high current environment | |
| CN204651273U (en) | Novel small-sized circuit breaker | |
| CN209328826U (en) | A kind of tripping device for circuit breaker | |
| CN208352218U (en) | Miniature circuit breaker | |
| CN101728136A (en) | Circuit-breaker | |
| CN211376570U (en) | Overload leakage protector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |