CN113178366A - Small-sized intelligent circuit breaker with reclosing function - Google Patents
Small-sized intelligent circuit breaker with reclosing function Download PDFInfo
- Publication number
- CN113178366A CN113178366A CN202110292191.3A CN202110292191A CN113178366A CN 113178366 A CN113178366 A CN 113178366A CN 202110292191 A CN202110292191 A CN 202110292191A CN 113178366 A CN113178366 A CN 113178366A
- Authority
- CN
- China
- Prior art keywords
- wire
- shell
- electric signal
- electric
- circuit breaker
- 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.)
- Granted
Links
- 230000003068 static effect Effects 0.000 claims abstract description 37
- 238000012544 monitoring process Methods 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 238000010891 electric arc Methods 0.000 abstract description 2
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/04—Contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/06—Housings; Casings; Bases; Mountings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/20—Terminals; Connections
Landscapes
- Breakers (AREA)
Abstract
本发明公开了一种带重合闸功能的小型智能断路器，包括壳体、安装在壳体的长度的两端的进出线端子和安装在壳体内的动触头、静触头、电控部件、电子脱扣器以及锁脱扣机构；动触头与静触头安装配合在壳体内的中部位置；进线端子与静触头电连通，出线端子与动触头电连通；电控部件安装在靠近出线端子的位置处；断路器还包括用来监测电网电压的电信号取电线；电信号取电线的一端在壳体内连接于进线端子至静触头之间的电连接通路中，电信号取电线的另一端与电控部件相连接；电信号取电线的一端至另一端的中间部分设置在壳体外。本发明能够避免动、静触头所产生的电弧烧坏电信号取电线的弊端发生，并具有装配方便和自动化程度高的特点。
The invention discloses a small intelligent circuit breaker with reclosing function, which comprises a casing, incoming and outgoing wire terminals installed at both ends of the length of the casing, and movable contacts, static contacts, electric control components, etc. installed in the casing. The electronic release and the lock release mechanism; the moving contact and the static contact are installed and matched in the middle position of the housing; the incoming terminal is electrically connected with the static contact, and the outgoing terminal is electrically connected with the moving contact; the electrical control components are installed in the At the position close to the outgoing terminal; the circuit breaker also includes an electrical signal taking wire for monitoring the voltage of the grid; one end of the electrical signal taking wire is connected to the electrical connection path between the incoming terminal and the static contact in the housing, and the electrical signal The other end of the wire taking wire is connected with the electric control part; the middle part from one end to the other end of the wire taking wire for electrical signal is arranged outside the casing. The invention can avoid the disadvantage that the electric signal and the electric wire are burned out by the electric arc generated by the moving and static contacts, and has the characteristics of convenient assembly and high degree of automation.
Description
Technical Field
The invention belongs to the technical field of circuit breakers, and particularly relates to a small intelligent circuit breaker with a reclosing function.
Background
The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition for a predetermined time. The intelligent circuit breaker is one of circuit breakers, and a new circuit breaker secondary system is established by using microelectronics, computer technology and a novel sensor; when the intelligent circuit breaker is used, the mechanism is always in the energy pre-storage position, and the circuit breaker can be instantly closed as soon as the circuit breaker receives a closing command; the intelligent circuit breaker is characterized in that an intelligent control unit is introduced on the basis of the existing circuit breaker and consists of 3 basic modules of a data acquisition, intelligent identification and regulation device, wherein the intelligent identification module is the core of the intelligent control unit, and a microcomputer control system consisting of a microprocessor can automatically identify the working state of a power grid where the circuit breaker is positioned during operation according to the power grid information acquired before operation and an operation signal sent by a main control room, determine a proper opening and closing motion characteristic according to the simulation analysis result of the circuit breaker, send regulation information to an execution mechanism and send an opening and closing signal after the regulation is finished. The intelligent circuit breaker in the prior art usually can connect an electric signal to get the electric wire to electric control unit in the connecting path of incoming line terminal to the static contact to electric control unit monitors the voltage signal of electric wire netting in order to electric control unit, and when abnormal conditions such as under-voltage appear in electric wire netting voltage, electric control unit can control the electric behaviour device and realize long-range divide-shut brake. This kind of intelligent circuit breaker of prior art, the signal of telecommunication get the electric wire and install in the casing, because automatically controlled part installs the position department that is close to outlet terminal usually, the signal of telecommunication get the electric wire and must pass through the cooperation region of moving, static contact when walking the line in the casing, like this, the produced electric arc of moving, static contact burns out the signal of telecommunication very easily and gets the electric wire, causes the signal of telecommunication to get the electric wire and can not use, simultaneously, has also caused the drawback that the assembly is inconvenient and degree of automation is not high.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a small intelligent circuit breaker with a reclosing function, can avoid the defect that electric arcs generated by moving and static contacts burn out electric signal wires by structural improvement, and has the characteristics of convenience in assembly and high automation degree.
The technical scheme adopted by the invention for solving the technical problems is as follows: a small intelligent circuit breaker with a reclosing function comprises a shell, wire inlet and outlet terminals arranged at two ends of the length of the shell, a moving contact, a fixed contact, an electric control component, an electronic release and a lock release mechanism, wherein the moving contact, the fixed contact, the electric control component, the electronic release and the lock release mechanism are arranged in the shell; the moving contact and the static contact are arranged and matched at the middle position in the shell; the incoming line terminal is electrically communicated with the fixed contact through an electronic release, the outgoing line terminal is electrically communicated with the moving contact, and the moving contact is linked with the lock release mechanism; the electric control component is arranged at a position close to the outlet terminal; the circuit breaker also comprises an electric signal acquisition wire for monitoring the voltage of a power grid, wherein one end of the electric signal acquisition wire is connected to an electric connection passage between the incoming line terminal and the static contact in the shell, and the other end of the electric signal acquisition wire is connected with the electric control component; the middle part from one end of the electric signal taking wire to the other end of the electric signal taking wire is arranged outside the shell, so that the shell wall of the shell is used for blocking the matching area between the electric signal taking wire and the moving contact and the static contact, and the electric signal taking wire is prevented from being burnt by electric arcs generated by the moving contact and the static contact.
And in the wall of one side of the thickness of the shell, a first through hole is arranged at the joint of an electric connection path between one end of the electric signal acquisition wire and the inlet terminal to the fixed contact, a second through hole is arranged at the joint of the other end of the electric signal acquisition wire and the electric control component, and the two ends of the electric signal acquisition wire are respectively connected with the electric connection path between the inlet terminal and the fixed contact and the electric control component through the first through hole and the second through hole outside the shell.
The electric signal taking wire is a hard conductive strip, two ends of the hard conductive strip are bent and inserted into the corresponding first through hole and the second through hole, and the two ends of the hard conductive strip are respectively connected with the electric connection path between the incoming terminal and the static contact and the electric control component.
The two ends of the electric signal wire are in interference fit with the first through hole and the second through hole.
And a concave channel is further arranged between the first through hole and the second through hole in the wall of one side of the thickness of the shell, and the middle part from one end to the other end of the electric signal taking wire is embedded in the concave channel.
The electronic release comprises a yoke, the yoke is connected with an electric connection path from the incoming line terminal to the static contact, and one end of the electric signal acquisition wire is electrically connected with the yoke.
The electronic release is arranged at the upper part in the shell and is deviated to one side of the incoming line terminal in the length direction of the shell; the electric control component is positioned at the bottom in the shell; the middle part of the electric signal taking wire is provided with a plurality of bends so as to be bent from the upper part of one side of the length of the shell and led to the bottom of the other side of the length of the shell.
The yoke is provided with a small clamping groove, and one end of the electric signal acquisition wire is matched with the small clamping groove of the yoke; the electric control component comprises a circuit board, and the other end of the electric signal acquisition wire is inserted on the circuit board.
And the output ends of the temperature sensors of the wire inlet terminal and the wire outlet terminal are respectively connected to the MCU in the electric control component.
The circuit breaker further comprises a current detection component, the outgoing line terminal is sleeved in the current detection component in a penetrating mode, and the current detection component is a current transformer or a Hall sensor.
Compared with the prior art, the invention has the beneficial effects that:
1. one end of an electric signal taking wire is connected to an electric connection path between an incoming wire terminal and a static contact in the shell, and the other end of the electric signal taking wire is connected with the electric control component; the middle part from one end of the electric signal taking wire to the other end of the electric signal taking wire is arranged outside the shell, so that the shell wall of the shell is used for blocking the matching area between the electric signal taking wire and the moving contact and the static contact, and the electric signal taking wire is prevented from being burnt by electric arcs generated by the moving contact and the static contact. The middle part of the electric signal wire for monitoring the voltage of the power grid is arranged outside the shell, so that the matching area of the moving contact and the static contact is avoided, electric arcs generated by the moving contact and the static contact cannot influence the electric signal wire, the effective monitoring of the electric signal wire on the voltage of the power grid is ensured, and the electric signal wire monitoring device has the characteristics of convenience in assembly and high automation degree.
2. The temperature sensors are respectively arranged on the incoming line terminal and the outgoing line terminal, so that the two temperature sensors can be used for monitoring the temperature of the two wiring terminals, and the normal use of the circuit breaker is ensured.
The invention is further explained in detail with the accompanying drawings and the embodiments; however, the small-sized intelligent circuit breaker with a reclosing function according to the present invention is not limited to the embodiment.
Drawings
FIG. 1 is a front view of an embodiment of the present invention;
FIG. 2 is a schematic perspective view of an embodiment of the present invention (with an electrical signal getting a wire ready for insertion);
FIG. 3 is an exploded perspective view of an embodiment of the present invention;
FIG. 4 is a front view of an embodiment of the present invention (with the front shell removed);
fig. 5 is a schematic perspective view of an electrical signal taking line, an electronic release and an electric control component according to an embodiment of the present invention;
fig. 6 is a front view of the state in which the electrical signal pickup wire is engaged with the electronic trip unit and the electric control unit according to the embodiment of the present invention.
Detailed Description
Examples
Referring to fig. 1 to 6, the small intelligent circuit breaker with a reclosing function according to the present invention includes a housing 1, an incoming line terminal 21 and an outgoing line terminal 22 installed at two ends of the length of the housing, and a movable contact 31, a fixed contact 32, an electronic release 4, a lock release mechanism 5 and an electric control component 6 installed in the housing 1; the shell 1 consists of a front shell 11 and a rear shell 12, and the front shell 11 and the rear shell 12 are fixed together to form a cavity for installing a moving contact 31, a static contact 32, an electronic release 4, a lock release mechanism 5 and an electric control component 6; the moving contact 31 and the static contact 32 are arranged and matched at the middle position in the shell 1; the incoming line terminal 21 is electrically communicated with a fixed contact 32 through an electronic release 4, the outgoing line terminal 22 is electrically communicated with a movable contact 31, and the movable contact 31 is linked with the lock tripping mechanism 5; the electric control component 6 is arranged at a position close to the outlet terminal 22; the circuit breaker further comprises an electric signal acquisition wire 7 for monitoring the voltage of a power grid, wherein one end 71 of the electric signal acquisition wire 7 is connected to an electric connection path between the incoming line terminal 21 and the static contact 32 in the shell 1, and the other end 72 of the electric signal acquisition wire 7 is connected with the electric control component 6; the middle part 73 from one end 71 to the other end 72 of the electric signal taking wire 7 is arranged outside the shell 1, so that the shell wall of the shell 1 is used for blocking the matching area between the electric signal taking wire 7 and the moving contact 31 and the static contact 32, and the electric signal taking wire is prevented from being burnt by electric arcs generated by the moving contact and the static contact.
This embodiment is a single-pole circuit breaker, and can also be applied to a multi-pole circuit breaker.
In this embodiment, a first through hole 13 is disposed at a connection position corresponding to an electrical connection path between one end of the electrical signal pickup wire 7 and the incoming wire terminal 21 to the stationary contact 32 in the front housing 11 on one side of the thickness of the housing 1, a second through hole 14 is disposed at a connection position corresponding to the other end of the electrical signal pickup wire 7 and the electronic control component 8, and two ends of the electrical signal pickup wire 7 are connected to the electrical connection path between the incoming wire terminal 21 to the stationary contact 32 and the electronic control component 6 through the first through hole 13 and the second through hole 14 outside the housing 1, respectively.
In this embodiment, the electric signal taking wire 7 is a hard conductive strip, one end 71 of the hard conductive strip 7 is bent and inserted into the first through hole 13 to be connected with the electric connection path between the incoming terminal 21 and the static contact 32, and the other end 72 of the hard conductive strip 7 is bent and inserted into the second through hole 14 to be connected with the electronic control component.
In this embodiment, the two ends of the electrical signal taking wire 7 are in interference fit with the first through hole 13 and the second through hole 14.
In the present embodiment, a recessed channel 15 is further provided between the first through hole 13 and the second through hole 14 in the front housing 11, which is one side wall of the housing 1, and a middle portion 73 from one end 71 to the other end 72 of the electrical signal pickup wire 7 is embedded in the recessed channel 15.
In this embodiment, the electronic trip unit 4 includes a yoke 41, the yoke 41 is connected to an electrical connection path between the incoming line terminal 21 and the stationary contact 32, and one end of the electrical signal pickup line 7 is electrically connected to the yoke 41.
In this embodiment, the electronic release 4 is located at the upper part in the housing 1, and is biased to one side of the incoming line terminal 21 in the length direction of the housing 1; the electric control component 6 is arranged at the bottom in the shell 1; the electric signal taking wire 7 is provided at an intermediate portion thereof with a plurality of bends so as to be bent from an upper portion of one side of the length of the housing to a bottom portion of the other side of the length of the housing.
The upper and lower directions of the present invention are defined to only indicate the relative positional relationship between the members or the structures in the members, and the length of the case is the dimension from the inlet end to the outlet end of the single pole breaker.
In this embodiment, the yoke 41 is provided with a small slot 411, and one end 71 of the electric signal acquisition wire 7 is matched with the small slot 411 of the yoke 4; the electric control component 6 comprises a circuit board 61, and the other end 72 of the electric signal taking wire 7 is plugged on the circuit board 61.
In this embodiment, the wire inlet terminal 21 and the wire outlet terminal 22 are further respectively provided with a temperature sensor 81, and outputs of the temperature sensors 81 of the wire inlet terminal 21 and the wire outlet terminal 22 are respectively connected to the MCU in the electronic control unit 6.
In this embodiment, the circuit breaker further includes a current detection component, the current detection component of this embodiment is a hall sensor 82, the outlet terminal 22 is sleeved in the middle of a magnetic ring 821 of the hall sensor 82, the hall sensor 82 includes a magnetic ring 821 and a hall element 822, and an output of the hall element 822 is connected to the MCU in the electronic control component 6.
In this embodiment, the circuit breaker further includes a handle 83 and an arc-extinguishing chamber 84, the handle 83 is installed in the middle of the top of the housing 1, the handle 83 is connected to the lock-tripping mechanism 5 through a connecting rod 85, and the arc-extinguishing chamber 84 is installed in the housing 1 and below the electronic trip 4.
The invention relates to a small intelligent circuit breaker with a reclosing function, which adopts the technical scheme that one end 71 of an electric signal wire 7 is connected to an electric connection path between an incoming line terminal 21 and a static contact 32 in a shell 1, and the other end 72 of the electric signal wire 7 is connected with an electric control part 6; the middle part 73 from one end 71 to the other end 72 of the electric signal taking wire 7 is arranged outside the shell 1, so that the shell wall of the shell 1 is used for blocking the matching area between the electric signal taking wire 7 and the moving contact 31 and the static contact 32, and the electric signal taking wire is prevented from being burnt by electric arcs generated by the moving contact and the static contact. The middle part of the electric signal wire for monitoring the voltage of the power grid is arranged outside the shell, so that the matching area of the moving contact and the static contact is avoided, electric arcs generated by the moving contact and the static contact cannot influence the electric signal wire, the effective monitoring of the electric signal wire on the voltage of the power grid is ensured, and the electric signal wire monitoring device has the characteristics of convenience in assembly and high automation degree.
According to the small intelligent circuit breaker with the reclosing function, the temperature sensors 81 are respectively arranged on the incoming line terminal 21 and the outgoing line terminal 22, and the two temperature sensors 81 can be used for monitoring the temperature of the two wiring terminals, so that the normal use of the circuit breaker is guaranteed.
The foregoing is considered as illustrative of the preferred embodiments of the invention and is not to be construed as limiting the invention in any way. Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or equivalent modifications, without departing from the scope of the disclosed embodiments. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (10)
1. A small intelligent circuit breaker with a reclosing function comprises a shell, wire inlet and outlet terminals arranged at two ends of the length of the shell, a moving contact, a fixed contact, an electric control component, an electronic release and a lock release mechanism, wherein the moving contact, the fixed contact, the electric control component, the electronic release and the lock release mechanism are arranged in the shell; the moving contact and the static contact are arranged and matched at the middle position in the shell; the incoming line terminal is electrically communicated with the fixed contact through an electronic release, the outgoing line terminal is electrically communicated with the moving contact, and the moving contact is linked with the lock release mechanism; the electric control component is arranged at a position close to the outlet terminal; the circuit breaker further comprises an electric signal taking wire for monitoring the voltage of a power grid; the method is characterized in that: one end of the electric signal taking wire is connected to an electric connection path between the incoming line terminal and the static contact in the shell, and the other end of the electric signal taking wire is connected with the electric control component; the middle part from one end of the electric signal taking wire to the other end of the electric signal taking wire is arranged outside the shell, so that the shell wall of the shell is used for blocking the matching area between the electric signal taking wire and the moving contact and the static contact, and the electric signal taking wire is prevented from being burnt by electric arcs generated by the moving contact and the static contact.
2. The small-sized intelligent circuit breaker with reclosing function according to claim 1, characterized in that: and in the wall of one side of the thickness of the shell, a first through hole is arranged at the joint of an electric connection path between one end of the electric signal acquisition wire and the inlet terminal to the fixed contact, a second through hole is arranged at the joint of the other end of the electric signal acquisition wire and the electric control component, and the two ends of the electric signal acquisition wire are respectively connected with the electric connection path between the inlet terminal and the fixed contact and the electric control component through the first through hole and the second through hole outside the shell.
3. The small-sized intelligent circuit breaker with reclosing function according to claim 2, characterized in that: the electric signal taking wire is a hard conductive strip, two ends of the hard conductive strip are bent and inserted into the corresponding first through hole and the second through hole, and the two ends of the hard conductive strip are respectively connected with the electric connection path between the incoming terminal and the static contact and the electric control component.
4. The small-sized intelligent circuit breaker with reclosing function according to claim 3, characterized in that: the two ends of the electric signal wire are in interference fit with the first through hole and the second through hole.
5. The small-sized intelligent circuit breaker with reclosing function according to claim 3, characterized in that: and a concave channel is further arranged between the first through hole and the second through hole in the wall of one side of the thickness of the shell, and the middle part from one end to the other end of the electric signal taking wire is embedded in the concave channel.
6. The small-sized intelligent circuit breaker with reclosing function according to claim 3 or 4, characterized in that: the electronic release comprises a yoke, the yoke is connected with an electric connection path from the incoming line terminal to the static contact, and one end of the electric signal acquisition wire is electrically connected with the yoke.
7. The small-sized intelligent circuit breaker with reclosing function according to claim 6, characterized in that: the electronic release is arranged at the upper part in the shell and is deviated to one side of the incoming line terminal in the length direction of the shell; the electric control component is positioned at the bottom in the shell; the middle part of the electric signal taking wire is provided with a plurality of bends so as to be bent from the upper part of one side of the length of the shell and led to the bottom of the other side of the length of the shell.
8. The small-sized intelligent circuit breaker with reclosing function according to claim 7, characterized in that: the yoke is provided with a small clamping groove, and one end of the electric signal acquisition wire is matched with the small clamping groove of the yoke; the electric control component comprises a circuit board, and the other end of the electric signal acquisition wire is inserted on the circuit board.
9. The small-sized intelligent circuit breaker with reclosing function according to claim 1, characterized in that: and the output ends of the temperature sensors of the wire inlet terminal and the wire outlet terminal are respectively connected to the MCU in the electric control component.
10. The small-sized intelligent circuit breaker with reclosing function according to claim 1, characterized in that: the circuit breaker further comprises a current detection component, the outgoing line terminal is sleeved in the current detection component in a penetrating mode, and the current detection component is a current transformer or a Hall sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110292191.3A CN113178366B (en) | 2021-03-18 | 2021-03-18 | Small intelligent circuit breaker with reclosing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110292191.3A CN113178366B (en) | 2021-03-18 | 2021-03-18 | Small intelligent circuit breaker with reclosing function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113178366A true CN113178366A (en) | 2021-07-27 |
| CN113178366B CN113178366B (en) | 2024-12-17 |
Family
ID=76922231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110292191.3A Active CN113178366B (en) | 2021-03-18 | 2021-03-18 | Small intelligent circuit breaker with reclosing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113178366B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203165831U (en) * | 2013-03-29 | 2013-08-28 | 温州市新蓝天电器有限公司 | Breaker |
| CN109378261A (en) * | 2018-11-16 | 2019-02-22 | 南京日新科技有限公司 | A kind of contact mechanism of breaker |
| CN210040106U (en) * | 2018-11-16 | 2020-02-07 | 南京日新科技有限公司 | Contact mechanism of circuit breaker and circuit breaker |
| CN215220637U (en) * | 2021-03-18 | 2021-12-17 | 厦门宏发开关设备有限公司 | Small intelligent circuit breaker with reclosing function |
-
2021
- 2021-03-18 CN CN202110292191.3A patent/CN113178366B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203165831U (en) * | 2013-03-29 | 2013-08-28 | 温州市新蓝天电器有限公司 | Breaker |
| CN109378261A (en) * | 2018-11-16 | 2019-02-22 | 南京日新科技有限公司 | A kind of contact mechanism of breaker |
| CN210040106U (en) * | 2018-11-16 | 2020-02-07 | 南京日新科技有限公司 | Contact mechanism of circuit breaker and circuit breaker |
| CN215220637U (en) * | 2021-03-18 | 2021-12-17 | 厦门宏发开关设备有限公司 | Small intelligent circuit breaker with reclosing function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113178366B (en) | 2024-12-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7498909B2 (en) | Ground-fault circuit interrupter with reverse wiring protection | |
| CN101211728B (en) | Earth leakage circuit breaker | |
| US6829124B2 (en) | Ground fault circuit interrupter with functionality for reset | |
| CA2966097C (en) | Modular circuit breaker and method of assembling | |
| US20210225606A1 (en) | Leakage current protection device employing a pivoting actuator in the trip assembly | |
| CN101958212B (en) | Receptacle type residual current circuit breaker | |
| WO2023236983A1 (en) | Circuit breaker | |
| JP2007287708A (en) | Additional alarm unit for branch circuit breaker | |
| CN215220637U (en) | Small intelligent circuit breaker with reclosing function | |
| CN218456049U (en) | Electric leakage test module and circuit breaker | |
| JP4081703B2 (en) | Additional alarm unit for branch circuit breaker | |
| CN201532918U (en) | Socket-type residual current breaker | |
| JPH113643A (en) | Thermal fuse | |
| CN113178366A (en) | Small-sized intelligent circuit breaker with reclosing function | |
| CN112151319A (en) | Circuit breaker | |
| CN111725035B (en) | Quick-connect terminal blocks and circuit breakers | |
| CN214043552U (en) | breaker | |
| CN217280659U (en) | Circuit breaker | |
| CN213519791U (en) | Circuit breaker | |
| CN214505414U (en) | Small-sized intelligent circuit breaker | |
| CN214043553U (en) | Circuit breaker | |
| CN214099519U (en) | Circuit breaker | |
| CN1841616B (en) | Residual current circuit breaker | |
| CN212182248U (en) | Intelligent sensing device for electric leakage type of electric power internet of things molded case circuit breaker | |
| CN111293465B (en) | Leakage protection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240201 Address after: No.560-564 Donglin Road, Jimei North Industrial Zone, Jimei District, Xiamen City, Fujian Province Applicant after: XIAMEN HONGFA AUTOMOTIVE ELECTRONICS Co.,Ltd. Country or region after: China Address before: No.566 Donglin Road, Jimei North Industrial Zone, Xiamen City, Fujian Province Applicant before: XIAMEN HONGFA ELECTRICAL SAFETY & CONTROLS Co.,Ltd. Country or region before: China |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |