CN215220637U - Small intelligent circuit breaker with reclosing function - Google Patents
Small intelligent circuit breaker with reclosing function Download PDFInfo
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- CN215220637U CN215220637U CN202120561584.5U CN202120561584U CN215220637U CN 215220637 U CN215220637 U CN 215220637U CN 202120561584 U CN202120561584 U CN 202120561584U CN 215220637 U CN215220637 U CN 215220637U
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- 230000003068 static effect Effects 0.000 claims abstract description 38
- 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 5
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 230000005404 monopole Effects 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Abstract
本实用新型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。本实用新型能够避免动、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 utility model discloses a small intelligent circuit breaker with reclosing function. , electronic release and lock release mechanism; the moving contact and the static contact are installed and matched in the middle 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 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 The other end of the signal taking wire is connected with the electric control part; the middle part from one end to the other end of the electrical signal taking wire is arranged outside the casing. The utility model can avoid the occurrence of the disadvantage of the electric signal and electric wires being burned 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 utility model belongs to the technical field of the circuit breaker, especially, relate to a take small-size intelligent circuit breaker of reclosing lock 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.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a take small-size intelligent circuit breaker of reclosing lock function, through institutional advancement, can avoid the produced electric arc of moving, static contact to burn out the drawback of the electric signal of telecommunication getting the electric wire and take place to have convenient assembling and the high characteristics of degree of automation.
The utility model provides a technical scheme that its technical problem adopted is: 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 beneficial effects of the utility model are that:
1. the utility model adopts the technical proposal that one end of the electric signal wire is connected in the electric connecting path between the incoming line terminal and the static contact in the shell, and the other end of the electric signal 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 utility model discloses the mid portion that the electric signal that will be used for monitoring grid voltage got the electric wire sets up outside the casing, has avoided the cooperation region of moving contact, static contact for the produced electric arc of moving, static contact can't influence the electric signal and gets the electric wire, has guaranteed that the electric signal gets the effective monitoring of electric wire to grid voltage, and has convenient assembling and the high characteristics of degree of automation.
2. The utility model discloses owing to adopted still to be equipped with temperature sensor respectively on incoming line terminal and outlet terminal, can utilize two temperature sensor to carry out temperature monitoring to two binding post to guarantee the normal use of circuit breaker.
The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the utility model discloses a take small-size intelligent circuit breaker of reclosing lock function 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 (an electric signal is taken to indicate a state where an electric wire is to be inserted);
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 invention (with the front shell removed);
fig. 5 is a schematic three-dimensional shape diagram of the electrical signal wire according to the embodiment of the present invention, in cooperation with the electronic release and the electronic control component;
fig. 6 is a front view of the state of the electrical signal wire, the electronic release and the electronic control component according to the embodiment of the present invention.
Detailed Description
Examples
Referring to fig. 1 to 6, the small intelligent circuit breaker with reclosing function of 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 moving contact 31, a static 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 utility model discloses an upper and lower etc. indicate the restriction in position only to show the relative position relation between the part or between the structure in the part, and the length of casing indicates the size of the inlet wire end to the outlet terminal direction of monopole 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 utility model discloses a small-size intelligent circuit breaker with reclosing function, adopted and got one end 71 of the electric signal electric wire 7 and connect in the electric connection route between incoming line terminal 21 and static contact 32 in casing 1, got the other end 72 of the electric wire 7 and be connected with the automatically controlled part 6 with the electric signal; 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 utility model discloses the mid portion that the electric signal that will be used for monitoring grid voltage got the electric wire sets up outside the casing, has avoided the cooperation region of moving contact, static contact for the produced electric arc of moving, static contact can't influence the electric signal and gets the electric wire, has guaranteed that the electric signal gets the effective monitoring of electric wire to grid voltage, and has convenient assembling and the high characteristics of degree of automation.
The utility model discloses a take small-size intelligent circuit breaker of reclosing lock function has adopted and still has been equipped with temperature sensor 81 respectively on incoming line terminal 21 and leading-out terminal 22, can utilize two temperature sensor 81 to carry out temperature monitoring to two binding post to guarantee the normal use of circuit breaker.
The foregoing is illustrative of the preferred embodiment of the present 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 limit the present invention. The technical solutions disclosed above can be used by those skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the present invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. A small intelligent circuit breaker with a reclosing function comprises a shell, incoming line terminals and outgoing line terminals, a moving contact, a static contact, an electric control part, an electronic release and a lock tripping mechanism, wherein the incoming line terminals and the outgoing line terminals are arranged at two ends of the length of 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 |
|---|---|---|---|
| CN202120561584.5U CN215220637U (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 |
|---|---|---|---|
| CN202120561584.5U CN215220637U (en) | 2021-03-18 | 2021-03-18 | Small intelligent circuit breaker with reclosing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215220637U true CN215220637U (en) | 2021-12-17 |
Family
ID=79443250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120561584.5U Withdrawn - After Issue CN215220637U (en) | 2021-03-18 | 2021-03-18 | Small intelligent circuit breaker with reclosing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215220637U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113178366A (en) * | 2021-03-18 | 2021-07-27 | 厦门宏发开关设备有限公司 | Small-sized intelligent circuit breaker with reclosing function |
-
2021
- 2021-03-18 CN CN202120561584.5U patent/CN215220637U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113178366A (en) * | 2021-03-18 | 2021-07-27 | 厦门宏发开关设备有限公司 | Small-sized intelligent circuit breaker with reclosing function |
| CN113178366B (en) * | 2021-03-18 | 2024-12-17 | 厦门宏发汽车电子有限公司 | Small intelligent circuit breaker with reclosing function |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240130 Address after: No.560-564 Donglin Road, Jimei North Industrial Zone, Jimei District, Xiamen City, Fujian Province Patentee 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 Patentee before: XIAMEN HONGFA ELECTRICAL SAFETY & CONTROLS Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20211217 Effective date of abandoning: 20241217 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20211217 Effective date of abandoning: 20241217 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |