CN109616384B - Built-in current transformer and zero sequence current transformer's concatenation formula miniature circuit breaker - Google Patents
Built-in current transformer and zero sequence current transformer's concatenation formula miniature circuit breaker Download PDFInfo
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- CN109616384B CN109616384B CN201811463476.3A CN201811463476A CN109616384B CN 109616384 B CN109616384 B CN 109616384B CN 201811463476 A CN201811463476 A CN 201811463476A CN 109616384 B CN109616384 B CN 109616384B
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- 238000005516 engineering process Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
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- 238000012544 monitoring process Methods 0.000 description 2
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- 239000013589 supplement Substances 0.000 description 2
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- 206010063385 Intellectualisation Diseases 0.000 description 1
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- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 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
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- 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
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- 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
- H01H71/08—Terminals; Connections
- H01H71/082—Connections between juxtaposed circuit breakers
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Abstract
The invention discloses a splicing type miniature circuit breaker with a built-in current transformer and a zero sequence current transformer, which comprises an electric operation module and at least one circuit breaker module connected with the electric operation module; the electric operating module comprises a control circuit board and an electric operating mechanism, and the control circuit board is connected with the electric operating mechanism; the circuit breaker module is including setting up the sampling circuit board of the utmost point casing of transition in the middle, it is female that the both ends of sampling circuit board set up porous row, be equipped with the row's needle of but being connected with control circuit board on the sampling circuit board, the sampling circuit board runs through whole miniature circuit breaker setting, just be equipped with respectively on two lateral walls of miniature circuit breaker with the slot of the female looks adaptation of porous row, adopt the sampling circuit board of through type for the both ends of circuit breaker all form the porous row that is used for connecting female, and the mode of utilizing row's needle to connect can link together multiunit circuit breaker, and data transmission each other is stable, and is difficult for taking place the decay.
Description
Technical Field
The invention relates to the field of circuit breakers, in particular to a splicing type miniature circuit breaker with a built-in current transformer and a built-in zero sequence current transformer.
Background
Generally, a circuit breaker is an electrical device installed in a distribution board, which protects circuits and devices of an electrical system by performing a switching operation of the circuits when a current in the circuit is a normal current, and protects the circuits and devices of the electrical system by performing a breaking operation when an abnormal current, such as an overload, a short circuit, a ground fault, or the like, occurs.
With the requirement for higher reliability of the power grid, various automation technologies and monitoring technologies are also continuously applied to various links of the power grid, so as to improve the intelligent level of the whole power grid. At present, the automation level of a low-voltage power distribution link is low, on one hand, once a fault occurs, a fault point is difficult to quickly locate, a mode of step-by-step switch troubleshooting is generally adopted, fault sections are manually located section by section, the efficiency is low, errors are easy to occur, and the management is inconvenient; on the other hand, with the application of the smart meter, more urgent needs are put on the control and management of the low-voltage circuit breaker, and the intellectualization of the low-voltage circuit breaker is more and more important.
The current transformer and the zero sequence transformer cannot be arranged in the shell because of the problem of insufficient shell space of the existing miniature circuit breaker, so that the function supplement is carried out by needing an externally-hung functional part.
Multiunit circuit breaker when using simultaneously, need external wiring to carry out circuit connection to a plurality of circuit breakers mostly, and naked electric wire then can lead to the production of potential safety hazard, is unfavorable for using, and the electric wire mostly needs the welding in the inlet wire department of circuit breaker, and it often can produce great potential safety hazard.
Disclosure of Invention
Aiming at the problems, the invention provides a splicing type miniature circuit breaker with a built-in current transformer and a zero sequence current transformer.
In order to achieve the above object, the present invention provides a splicing type miniature circuit breaker with a built-in current transformer and a zero sequence current transformer, which comprises an electric operation module and at least one circuit breaker module connected with the electric operation module;
the electric operating module comprises a control circuit board and an electric operating mechanism, and the control circuit board is connected with the electric operating mechanism;
the circuit breaker module comprises at least one middle transition pole shell and shells arranged on two sides of the middle transition pole shell, wherein a containing cavity for containing a circuit breaker body and an outlet cavity are arranged in the middle transition pole shell, a mutual inductor containing cavity capable of containing at least two mutual inductors is arranged between the containing cavity and the outlet cavity, an outlet terminal is arranged in the outlet cavity, the outlet terminal is connected with a coil of the circuit breaker body through a lead, a current mutual inductor and a zero sequence current mutual inductor are sequentially sleeved outside the lead, the current mutual inductor and the zero sequence current mutual inductor are arranged in the mutual inductor containing cavity, a sampling circuit board is arranged at the bottom of the mutual inductor containing cavity, porous bus bars are arranged at two ends of the sampling circuit board, a bus bar connected with a control circuit board in a pluggable manner is arranged on the sampling circuit board, and the sampling circuit board penetrates through the whole miniature, and the two side walls of the miniature circuit breaker are respectively provided with a slot matched with the porous busbar.
The porous busbar comprises a power supply input port and a 485 port.
The control circuit board is correspondingly provided with a through groove, and the sampling circuit board penetrates through the through groove.
The bottom of the mutual inductor accommodating cavity is provided with a sampling circuit board cavity, and the sampling circuit board is arranged in the sampling circuit board cavity.
And an RS485 interface is arranged on the control circuit board.
The mutual inductor accommodating chamber penetrates through two side walls of the middle transition pole shell.
The current transformer and the zero sequence current transformer are perpendicular to the middle transition pole shell, and the through holes of the current transformer and the zero sequence current transformer are arranged in a penetrating mode from the inlet wire to the outlet wire of the middle transition pole shell.
And partition walls are arranged between the front side and the rear side of the transformer accommodating chamber, the outlet chamber and the accommodating chamber.
The power supply of the electric operating mechanism is provided with a power supply electricity taking and voltage measuring circuit board cavity, and a power supply board is arranged in the power supply electricity taking and voltage measuring circuit board cavity.
And the upper end of the cavity of the power supply electricity taking and voltage measuring circuit board of the electric operating mechanism is provided with a separation wall.
The invention has the beneficial effects that: the current transformer and the zero sequence transformer are arranged in the middle transition pole shell in the direction perpendicular to the wire inlet direction, the occupied size is small, the wiring is simple, meanwhile, the through sampling circuit board is adopted, so that porous bus bars for connection are formed at two ends of the circuit breaker, a plurality of groups of circuit breakers can be connected together in a pin arrangement connection mode, the data transmission among the circuit breakers is stable, the attenuation is not easy to occur, in addition, the use of welding points is reduced, the connection safety can be improved, the use of data lines is saved, and the cost is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention (2P).
Fig. 2 is an internal schematic view of the present invention.
Fig. 3 is a schematic view of the structure of the collecting plate of the present invention.
FIG. 4 is a schematic structural view of an intermediate transition pole housing of the present invention.
FIG. 5 is a perspective view of an intermediate transition pole housing of the present invention.
FIG. 6 is a schematic view of the structure of the present invention (1P).
FIG. 7 is a schematic view of the structure of the present invention (3P).
FIG. 8 is a schematic view of the structure of the present invention (4P).
FIG. 9 is a schematic diagram of the connection between the sampling circuit board and the control circuit board.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a splicing type miniature circuit breaker with a built-in current transformer and a zero sequence current transformer, which comprises an electric operation module 2 and at least one circuit breaker module connected with the electric operation module;
the electric operating module comprises a control circuit board 10 and an electric operating mechanism, and the control circuit board is connected with the electric operating mechanism;
the circuit breaker module is including setting up the sampling circuit board at middle transition utmost point casing, the both ends of sampling circuit board set up that the porous row is female, be equipped with on the sampling circuit board with the row's of control circuit board but plug connection needle 32, the sampling circuit board runs through whole miniature circuit breaker setting, just be equipped with respectively on two lateral walls of miniature circuit breaker with the slot of the female looks adaptation of porous row.
Wherein the circuit breaker module includes transition utmost point casing 1 in the middle, the both sides of transition utmost point casing 1 in the middle are equipped with the shell, transition utmost point casing constitutes the circuit breaker module in the middle of two shell claddings, and through the quantity that increases transition utmost point casing in the middle, can realize 1P, 2P, 3P or 4P's change, the cooperation portion that corresponds on the transition utmost point casing in the middle is equipped with the looks adaptation, can increase and decrease quantity in order to satisfy the assembly demand according to the number of poles demand, eliminate the error that low assembly location caused simultaneously.
Female 31 of porous row includes power input port and 485 ports, through arranging female setting power input port or 485 ports to porous row, when a plurality of miniature circuit breakers need to be connected, only need adopt row needle to arrange the porous row of each miniature circuit breaker female and connect, can realize the data federation between each miniature circuit breaker, adopt the porous connection mode of arranging female and row needle simultaneously, connection between the two is more reliable, and difficult disconnection, can not influence the aesthetic property when multiunit miniature circuit breaker uses simultaneously.
The last correspondence of control circuit board is equipped with leads to the groove, the sampling circuit board passes lead to the groove setting, can lie in the control circuit board electricity and connect the while, can save whole control circuit board size again for control circuit board's wiring is more reasonable, and the logical groove on the control circuit board can play certain supporting role to the sampling circuit board again.
The bottom one end of middle transition utmost point casing is equipped with sampling circuit board cavity, this sampling circuit board cavity is arranged in to the sampling circuit board, sets up the sampling circuit board at the lower extreme, can increase again to the inside space usage of circuit breaker casing rate, but also can reduce the influence to leading-out terminal.
And an RS485 interface 8 is arranged on the control circuit board. The RS485 interface is directly arranged at the wire inlet of the miniature circuit breaker, and the conventional wiring mode is adopted, so that different wiring requirements are met.
The circuit breaker module includes middle transition utmost point casing 1, and the both sides of middle transition utmost point casing 1 are equipped with the shell, and the three merges and constitutes a miniature circuit breaker, and through the quantity that increases middle transition utmost point casing, can realize the change of two poles of the earth, tripolar and level four circuit breaker, corresponds the cooperation portion that is equipped with the looks adaptation on the middle transition utmost point casing simultaneously, can increase and decrease quantity in order to satisfy the assembly demand according to the number of poles demand, eliminates the error that low positioning led to the fact simultaneously.
The middle transition pole shell is internally provided with a containing cavity 13 and an outlet cavity 11 for containing a breaker body, parts such as a tripping mechanism, a coil and an arc extinguish chamber of the whole breaker are placed in the containing cavity, the space of the containing cavity is consistent with the space of the existing miniature breaker, the whole breaker body can be completely contained, the outlet cavity is positioned at one end and is used for fixing an outlet terminal, a mutual inductor containing cavity 12 is arranged between the containing cavity and the outlet cavity, the size of the mutual inductor containing cavity 12 can meet the containing requirements of at least two mutual inductors, an outlet terminal 5 is arranged in the outlet cavity, the outlet terminal is connected with the coil of the breaker body through a lead, a current transformer 4 is sleeved outside the lead, the current transformer is arranged in the mutual inductor containing cavity, the current monitoring of the inlet terminal can be realized, and the metering function is increased, the current is monitored in real time, and the electricity utilization safety is ensured.
The mutual inductor accommodating chamber penetrates through two side walls of the middle transition pole shell.
The current transformer is perpendicular to the middle transition pole shell, and a through hole of the current transformer is arranged in a penetrating mode from the inlet wire of the middle transition pole shell to the outlet wire of the middle transition pole shell. Utilize the mutual-inductor to hold the width of cavity promptly, arrange current transformer and zero sequence transformer in wherein for this circuit breaker possesses the function of leakage detection and current detection simultaneously, when current transformer detected overcurrent or short circuit phenomenon, current transformer transmitted the control circuit of signal transmission to intelligent control module, and after intelligent control module made the judgement, control circuit control short circuit electro-magnet promoted the dropout subassembly motion. The intelligent control module controls the short-circuit electromagnet to enable tripping to rotate, so that the moving contact is separated from the fixed contact, the circuit breaker module is disconnected, and the purpose of protecting a circuit is achieved.
The wire still overlaps outward and is equipped with zero sequence current transformer 6, zero sequence current transformer arranges in the mutual-inductor holds the cavity, can add zero sequence current transformer according to miniature circuit breaker's functional requirement for leakage detection.
Meanwhile, the width of the mutual inductor accommodating chamber is at least enough for placing two mutual inductors, different function combinations are carried out according to required functions, multifunctional setting of the miniature circuit breaker is achieved, external accessories are not needed for function supplement, and a large amount of installation space can be saved.
The mutual inductor holds the cavity bottom and is equipped with sampling circuit board cavity, the mutual inductor holds cavity and sampling circuit board cavity intercommunication setting, just be equipped with sampling circuit board 3 in the sampling circuit board cavity, the both ends of sampling circuit board 3 are equipped with connector socket 31 respectively, be equipped with the contact pin 32 of being connected with the main circuit board on the sampling circuit board 3. Adopt the mode of connector, can be comparatively convenient carry out data connection with electrical operation module 2, also can really carry out many P's connection to miniature circuit breaker simultaneously, realize 1P, 2P, 3P, 4P's combination, and the compound mode is more convenient and fast, and data connection is more reliable.
The side all is equipped with division wall 9 between the side and the cavity of being qualified for the next round of competitions and the cavity of holding of mutual-inductor holding chamber, and this division wall surrounds whole mutual-inductor holding chamber, makes its explosion chamber etc. with the circuit breaker body keep apart, avoids the circuit breaker body to influence the detection precision of mutual-inductor.
The outlet terminal is the zigzag, and is equipped with a vertical recess 15 on the division wall between outlet chamber and the mutual-inductor accommodation chamber, and the kink of outlet terminal inlays to be established in this recess for fixed outlet terminal also can be raised outlet terminal and the contact point of wire simultaneously, makes the mutual-inductor be located the mutual-inductor and holds indoor space more sufficient as far as possible, also can play certain isolation effect.
The power supply of the electric operation mechanism is provided with a power supply taking and voltage measuring circuit board cavity 14 at the inlet end of the middle transition pole shell, and a power supply board 7 is arranged in the power supply taking and voltage measuring circuit board cavity of the electric operation mechanism.
The electric power of the electric operating mechanism and the two sides of the cavity of the voltage measuring circuit board are provided with sliding grooves, the power board is inserted in the sliding grooves, the sliding grooves play a role in fixing the power board, and the upper limiting effect and the lower limiting effect of the sliding grooves can be utilized to avoid the influence on the power board in the transportation process.
The upper end that the power was got to the electricity of electricity manipulation mechanism and voltage measurement circuit board cavity is equipped with division wall 17, electricity was got to the electricity of electricity manipulation mechanism power and voltage measurement circuit board cavity is enclosed by the lateral wall that holds the explosion chamber in the cavity, the bottom casing of division wall, middle transition utmost point casing and the bottom lateral wall of inlet wire cavity and is constituted, avoids the influence of electric arc to the power strip.
The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of protection of the present invention.
Claims (8)
1. The utility model provides a little type circuit breaker of concatenation formula of built-in current transformer and zero sequence current transformer which characterized in that: the circuit breaker comprises an electric operation module and at least one circuit breaker module connected with the electric operation module;
the electric operating module comprises a control circuit board and an electric operating mechanism, and the control circuit board is connected with the electric operating mechanism;
the circuit breaker module comprises at least one middle transition pole shell and shells arranged on two sides of the middle transition pole shell, wherein a containing cavity for containing a circuit breaker body and an outlet cavity are arranged in the middle transition pole shell, a mutual inductor containing cavity capable of containing at least two mutual inductors is arranged between the containing cavity and the outlet cavity, an outlet terminal is arranged in the outlet cavity, the outlet terminal is connected with a coil of the circuit breaker body through a lead, a current mutual inductor and a zero sequence current mutual inductor are sequentially sleeved outside the lead, the current mutual inductor and the zero sequence current mutual inductor are arranged in the mutual inductor containing cavity, a sampling circuit board is arranged at the bottom of the mutual inductor containing cavity, porous bus bars are arranged at two ends of the sampling circuit board, a bus bar connected with a control circuit board in a pluggable manner is arranged on the sampling circuit board, and the sampling circuit board penetrates through the whole miniature, just be equipped with respectively on two lateral walls of miniature circuit breaker with the slot of female looks adaptation of porous row, the mutual-inductor holds the both sides wall setting that the cavity runs through middle transition utmost point casing, current transformer and zero sequence current transformer are perpendicular middle transition utmost point casing sets up, just perforation between them is run through the setting by the inlet wire of middle transition utmost point casing to the axis of being qualified for the next round of competitions.
2. The splicing type miniature circuit breaker with built-in current transformer and zero sequence current transformer as claimed in claim 1, wherein: the porous busbar comprises a power supply input port and a 485 port.
3. The splicing type miniature circuit breaker with built-in current transformer and zero sequence current transformer as claimed in claim 1, wherein: the control circuit board is correspondingly provided with a through groove, and the sampling circuit board penetrates through the through groove.
4. The splicing type miniature circuit breaker with built-in current transformer and zero sequence current transformer as claimed in claim 1, wherein: the bottom of the mutual inductor accommodating cavity is provided with a sampling circuit board cavity, and the sampling circuit board is arranged in the sampling circuit board cavity.
5. The splicing type miniature circuit breaker with built-in current transformer and zero sequence current transformer as claimed in claim 4, wherein: and an RS485 interface is arranged on the control circuit board.
6. The splicing type miniature circuit breaker with built-in current transformer and zero sequence current transformer as claimed in claim 1, wherein: and partition walls are arranged between the front side and the rear side of the transformer accommodating chamber, the outlet chamber and the accommodating chamber.
7. The splicing type miniature circuit breaker with built-in current transformer and zero sequence current transformer as claimed in claim 1, wherein: the power supply of the electric operating mechanism is provided with a power supply electricity taking and voltage measuring circuit board cavity, and a power supply board is arranged in the power supply electricity taking and voltage measuring circuit board cavity.
8. The splicing type miniature circuit breaker with built-in current transformer and zero sequence current transformer as claimed in claim 1, wherein: and the upper end of the cavity of the power supply electricity taking and voltage measuring circuit board of the electric operating mechanism is provided with a separation wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811463476.3A CN109616384B (en) | 2018-12-03 | 2018-12-03 | Built-in current transformer and zero sequence current transformer's concatenation formula miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811463476.3A CN109616384B (en) | 2018-12-03 | 2018-12-03 | Built-in current transformer and zero sequence current transformer's concatenation formula miniature circuit breaker |
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| Publication Number | Publication Date |
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| CN109616384A CN109616384A (en) | 2019-04-12 |
| CN109616384B true CN109616384B (en) | 2020-07-17 |
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| CN201811463476.3A Active CN109616384B (en) | 2018-12-03 | 2018-12-03 | Built-in current transformer and zero sequence current transformer's concatenation formula miniature circuit breaker |
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| DE102022208674A1 (en) * | 2022-08-22 | 2024-02-22 | Siemens Aktiengesellschaft | Modular, multi-pole series-mounted device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201181682Y (en) * | 2008-04-14 | 2009-01-14 | 浙江加西亚电子电器有限公司 | Multifunctional small circuit breaker |
| CN101710557A (en) * | 2009-11-26 | 2010-05-19 | 天津市百利电气有限公司 | Plastic enclosure leakage circuit breaker with multifunctional housing |
| CN203367193U (en) * | 2013-08-06 | 2013-12-25 | 常安集团有限公司 | Small electrical leakage circuit breaker |
| CN206022257U (en) * | 2016-09-27 | 2017-03-15 | 福建通力达实业有限公司 | Intelligent leakage circuit breaker |
| CN206370393U (en) * | 2017-01-14 | 2017-08-01 | 佛山松郎科技有限公司 | A kind of automatic or manual break-make resets air switch |
| CN108091527A (en) * | 2018-02-02 | 2018-05-29 | 深圳曼顿科技有限公司 | Sliceable miniature circuit breaker with voltage and current sensor |
| CN108321047A (en) * | 2018-02-02 | 2018-07-24 | 深圳曼顿科技有限公司 | Miniature circuit breaker with novel zero sequence mutual inductor installation structure |
| CN207896050U (en) * | 2018-03-21 | 2018-09-21 | 常熟开关制造有限公司(原常熟开关厂） | A kind of connection structure of circuit breaker accessory |
| CN108711539A (en) * | 2018-08-01 | 2018-10-26 | 浙江思创电力科技股份有限公司 | A kind of breaker, breaker combination |
-
2018
- 2018-12-03 CN CN201811463476.3A patent/CN109616384B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201181682Y (en) * | 2008-04-14 | 2009-01-14 | 浙江加西亚电子电器有限公司 | Multifunctional small circuit breaker |
| CN101710557A (en) * | 2009-11-26 | 2010-05-19 | 天津市百利电气有限公司 | Plastic enclosure leakage circuit breaker with multifunctional housing |
| CN203367193U (en) * | 2013-08-06 | 2013-12-25 | 常安集团有限公司 | Small electrical leakage circuit breaker |
| CN206022257U (en) * | 2016-09-27 | 2017-03-15 | 福建通力达实业有限公司 | Intelligent leakage circuit breaker |
| CN206370393U (en) * | 2017-01-14 | 2017-08-01 | 佛山松郎科技有限公司 | A kind of automatic or manual break-make resets air switch |
| CN108091527A (en) * | 2018-02-02 | 2018-05-29 | 深圳曼顿科技有限公司 | Sliceable miniature circuit breaker with voltage and current sensor |
| CN108321047A (en) * | 2018-02-02 | 2018-07-24 | 深圳曼顿科技有限公司 | Miniature circuit breaker with novel zero sequence mutual inductor installation structure |
| CN207896050U (en) * | 2018-03-21 | 2018-09-21 | 常熟开关制造有限公司(原常熟开关厂） | A kind of connection structure of circuit breaker accessory |
| CN108711539A (en) * | 2018-08-01 | 2018-10-26 | 浙江思创电力科技股份有限公司 | A kind of breaker, breaker combination |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4213175A1 (en) * | 2022-01-13 | 2023-07-19 | Siemens Aktiengesellschaft | Low voltage circuit breaker with voltage tap and pcb card and method of assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109616384A (en) | 2019-04-12 |
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