CN216980475U - Intelligent low-voltage circuit breaker - Google Patents
Intelligent low-voltage circuit breaker Download PDFInfo
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- CN216980475U CN216980475U CN202123004701.7U CN202123004701U CN216980475U CN 216980475 U CN216980475 U CN 216980475U CN 202123004701 U CN202123004701 U CN 202123004701U CN 216980475 U CN216980475 U CN 216980475U
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Abstract
The utility model provides an intelligent low-voltage circuit breaker, which relates to the technical field of circuit breakers and comprises a drawing frame, an arc extinguishing cover, a static contact arc striking plate, a mutual inductor, a bus, a moving contact, a release, a main shaft, an operating mechanism, an energy storage spring, a flexible connection, a contact spring, a contact support, a connecting rod, a main shaft frame, a binding post, an intelligent release panel, a reset button, a display screen, a brake separating lock, a brake separating button, a closing button, a main contact position indication, an energy storage indication, a rocking handle and an energy storage handle; the intelligent release panel is provided with a network communication module, an M2M system frame is used, operation data and the operation condition of the circuit breaker are remotely controlled and checked through a computer or a mobile device, in order to effectively reduce electric repulsion force of a contact system of each phase, a contact parallel connection mode is adopted, the contact is installed on a support of the contact, one end position of the contact is connected with a bus through a soft connection, and the circuit breaker can be reliably switched on.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to an intelligent low-voltage circuit breaker.
Background
With the improvement of internet science and technology, the internet of things technology is mature, the circuit module function integration technology optimizes the product volume, and the internet of things technology can realize dynamic interaction of human and machine;
the low-voltage circuit breaker has the characteristics of quickly cutting off short-circuit current and being reusable, so that the safety of household electricity is greatly guaranteed. However, the conventional low-voltage circuit breaker can only manually set a disconnection threshold, and potential safety hazards can only be discovered by disconnecting the voltage circuit breaker. When the household appliances which can be directly touched have electric leakage, huge potential safety hazards are generated to users. Meanwhile, the traditional low-voltage circuit breaker only has a switching function and cannot dynamically detect various circuit parameters of corresponding electric equipment, so that an intelligent low-voltage circuit breaker is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides an intelligent low-voltage circuit breaker.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an intelligent low-voltage circuit breaker comprises a circuit breaker shell, a drawing frame, an arc extinguishing cover, a fixed contact arc striking piece, a mutual inductor, a bus, a moving contact, a release, a main shaft, an operating mechanism, an energy storage spring, a soft link, a contact spring, a contact support, a connecting rod, a main shaft frame, a wiring terminal, an intelligent release panel, a reset button, a display screen, an opening lock, an opening button, a closing button, a main contact position indication, an energy storage indication, a circuit breaker bottom plate, a rocking handle, an indicator light, a USB interface, a locking device, a tripping device and an energy storage handle;
the drawing frame is fixedly connected to the right end of the shell of the circuit breaker, the arc extinguishing cover is fixedly connected to the top end inside the shell of the circuit breaker, the static contact is fixedly connected to the left end inside the shell of the circuit breaker, the static contact arc striking plate is fixedly connected to the right end of the static contact, the static contact arc striking plate is fixedly connected to the left end inside the shell of the circuit breaker, the mutual inductor is fixedly connected to the bottom end of the static contact, the bus is fixedly connected to the bottom end of the mutual inductor, the moving contact is fixedly connected to the right end of the bus, the tripper is fixedly connected to the right end inside the shell of the circuit breaker, the main shaft frame is fixedly connected to the right end of the connecting rod and located at the bottom end of the tripper, the operating mechanism is fixedly connected to the bottom end inside the shell of the circuit breaker and located at the right end of the main shaft frame, the energy storage spring is fixedly connected to the bottom end inside the shell of the circuit breaker, one end of the flexible connection is fixedly connected to the bottom end of the moving contact, and the other end of the bus is fixedly connected to the top end of the bus, one end of the contact spring is fixedly connected with the right end of the moving contact, the other end of the contact spring is fixedly connected with the left end of the contact support, and the main shaft is movably connected inside a main shaft frame at the right end of the contact support;
the intelligent release comprises a wiring terminal, an intelligent release panel, a display screen, a breaker shell, an intelligent release position indication button, a display screen, an opening button, a main contact position indication button, an energy storage indication button, a switching-off button, a switching-on button, a switching-off button and a main contact position indication button, wherein the wiring terminal is fixedly connected to the top end of the breaker shell, the intelligent release panel is fixedly connected to the left side of the front end of the breaker shell, the reset button is fixedly connected to the front end of the intelligent release panel, the display screen is fixedly connected to the front end of the intelligent release panel and is located at the bottom end of the reset button, the switching-off locking is fixedly connected to the front end of the breaker shell and is located at the right end of the intelligent release panel, the switching-off button is fixedly connected to the front end of the breaker shell and is located at the bottom end of the intelligent release panel, the switching-on button is fixedly connected to the front end of the breaker shell and is located at the right end of the switching-off button, the switching-on button is located at the front end of the circuit breaker shell, the switching-on button is located at the right end of the switching-off button, the switching-on the switching-off button, the switching-on button is located at the switching-off button, the switching-on the switching-off button, the switching-off button is located at the switching-off button, the switching-;
the circuit breaker bottom plate is fixedly connected to the bottom end of the circuit breaker shell, the valve core is fixedly connected to the inside of the binding post, the rocking handle, the indicating lamp, the USB interface, the locking device and the tripping device are sequentially and fixedly connected to the front end of the circuit breaker bottom plate from left to right, and the energy storage handle is fixedly connected to the right side of the front end of the circuit breaker shell.
As a further description of the above technical solution: the transformer is a current transformer for protection.
As a further description of the above technical solution: the tripper consists of an undervoltage tripper and a shunt tripper.
As a further description of the above technical solution: the intelligent release panel is provided with a network communication module and uses an M2M system framework.
As a further description of the above technical solution: the display screen is digital display of the nixie tube.
As a further description of the above technical solution: patterns are arranged on the outer surfaces of the locking device and the energy storage handle.
As a further description of the above technical solution: the contact part of the intelligent low-voltage circuit breaker is basically installed in an insulating plate formed by an insulator in each phase of a contact system, and an arc extinguishing chamber is arranged above the insulating plate.
Has the advantages that:
1. the intelligent release panel is provided with a network communication module, and the operation data and the operation working condition of the circuit breaker are remotely controlled and checked through a computer or mobile equipment by using an M2M system framework.
2. In order to effectively reduce the electric repulsion of a contact system of each phase, a contact parallel connection mode is adopted, the contact is installed on a support of one contact, and one end position of the contact is mutually connected by a soft connection and a bus, so that the circuit breaker can be reliably connected.
3. When the circuit has faults such as short circuit, overload and the like, the mutual inductor provides a signal for the relay device to cut off a fault circuit so as to protect the safety of a power supply system.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic front sectional view of the present invention;
FIG. 3 is a schematic view of the overall structure of the contact according to the present invention;
fig. 4 is a schematic diagram of the circuit of the present invention.
Illustration of the drawings:
a circuit breaker housing 1; a drawer frame 101; an arc chute 102; a static contact 103; a static contact arc striking plate 104; a transformer 105; a bus 106; a movable contact 107; a release 108; a main shaft 109; an operating mechanism 110; an energy storage spring 111; a soft link 112; a contact spring 113; a contact support 114; a link 115; a main shaft mount 116; a binding post 2; an intelligent release panel 3; a reset button 301; a display screen 302; opening and locking 4; a brake separating button 5; a closing button 6; main contact position indication 7; an energy storage indication 8; a circuit breaker chassis 9; a rocking handle 901; an indicator light 902; a USB interface 903; a locking device 904; a trip device 905; stored energy handle 10.
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.
Referring to fig. 1-4, an intelligent low-voltage circuit breaker includes a circuit breaker housing 1, a drawing frame 101, an arc-extinguishing cover 102, a static contact 103, a static contact arc striking plate 104, a transformer 105, a bus 106, a moving contact 107, a release 108, a main shaft 109, an operating mechanism 110, an energy storage spring 111, a flexible link 112, a contact spring 113, a contact support 114, a connecting rod 115, a main shaft frame 116, a binding post 2, an intelligent release panel 3, a reset button 301, a display screen 302, a separating brake lock 4, a separating brake button 5, a closing button 6, a main contact position indicator 7, an energy storage indicator 8, a circuit breaker bottom plate 9, a rocking handle 901, an indicator light 902, a USB interface 903, a locking device 904, a tripping device 905 and an energy storage handle 10;
the drawing frame 101 is fixedly connected to the right end of the breaker shell 1, the arc extinguishing cover 102 is fixedly connected to the top end inside the breaker shell 1, the fixed contact 103 is fixedly connected to the left end of the breaker shell 1, the fixed contact arc striking plate 104 is fixedly connected to the right end of the fixed contact 103, the fixed contact arc striking plate 104 is fixedly connected to the left end inside the breaker shell 1, the transformer 105 is fixedly connected to the bottom end of the fixed contact 103, the bus 106 is fixedly connected to the bottom end of the transformer 105, the movable contact 107 is fixedly connected to the right end of the bus 106, the tripper 108 is fixedly connected to the right end inside the breaker shell 1, the main shaft frame 116 is fixedly connected to the right end of the connecting rod 115 and is located at the bottom end of the tripper 108, the operating mechanism 110 is fixedly connected to the inside of the breaker shell 1 and is located at the right end of the main shaft frame 116, the energy storage spring 111 is fixedly connected to the bottom end inside the breaker shell 1, one end of the flexible connection 112 is fixedly connected to the bottom end of the movable contact 107 and the top end of the bus 106, one end of a contact spring 113 is fixedly connected to the right end of the movable contact 107, the other end of the contact spring is fixedly connected to the left end of a contact support 114, and the spindle 109 is movably connected to the inside of a spindle frame 116 at the right end of the contact support 114;
the wiring terminal 2 is fixedly connected to the top end of a breaker shell 1, an intelligent release panel 3 is fixedly connected to the left side of the front end of the breaker shell 1, a reset button 301 is fixedly connected to the front end of the intelligent release panel 3, a display screen 302 is fixedly connected to the front end of the intelligent release panel 3 and located at the bottom end of the reset button 301, a tripping lock 4 is fixedly connected to the front end of the breaker shell 1 and located at the right end of the intelligent release panel 3, a tripping button 5 is fixedly connected to the front end of the breaker shell 1 and located at the bottom end of the tripping lock 4, a closing button 6 is fixedly connected to the front end of the breaker shell 1 and located at the right end of the tripping button 5, a main contact position indicator 7 is fixedly connected to the front end of the breaker shell 1 and located at the bottom end of the tripping button 5, an energy storage indicator 8 is fixedly connected to the front end of the breaker shell 1 and located at the right end of the main contact position indicator 7;
The transformer 105 is a current transformer for protection, and when a fault such as a short circuit and overload occurs in a line, a signal is provided to the relay device to cut off a fault circuit, so that the safety of a power supply system is protected.
The release 108 is composed of an undervoltage release and a shunt release, and the undervoltage release enables the mechanical switch electric appliance to be switched on or off in a delayed or non-delayed manner when the terminal voltage of a relay or the release is reduced to a preset value;
the shunt release is essentially a tripping coil adding release, the thermal release and the electromagnetic release are also used, a specified voltage is added to the shunt release coil, the circuit breaker is tripped and is switched off, and the shunt release is used for tripping and powering off under the control of remote automatic power off.
The intelligent release panel 3 is provided with a network communication module, an M2M system framework is used, and the operation data and the operation working condition of the circuit breaker are remotely controlled and checked through a computer or mobile equipment.
The display screen 302 has the functions of digital display of a nixie tube, real-time display of three-phase running current and voltage, real-time display of power and harmonic running data and fault type recording.
Wherein, locking device 904, energy storage handle 10 surface are equipped with the decorative pattern, increase anti-skidding frictional force, use locking device 904, energy storage handle 10 more accurate, also more laborsaving.
When the intelligent low-voltage circuit breaker performs closing action, the main shaft 109 can drive the connecting rod 115 to enable the contact support to rotate anticlockwise around the center of the connecting rod 115, and after the moving contact 107 and the static contact 103 complete contact action, the compressed contact spring 113 can generate enough contact pressure, so that the circuit breaker can be reliably connected.
The working principle is as follows: after the main contact is closed, the main contact is locked at a closing position through a closing button 6, a coil of an overcurrent release and a thermal element of a thermal release in a shunt release are connected with a main circuit in series, a coil of an under-voltage release is connected with a power supply in parallel, when the circuit is short-circuited or seriously overloaded, an armature of the overcurrent release is attracted, the release 108 is made to act, the main contact breaks the main circuit, and when the circuit is overloaded, the thermal element of the thermal release heats to bend a bimetallic strip to push a free release mechanism to act; the shunt release is used for remote control, when the shunt release works normally, a coil is powered off, when the shunt release needs distance control, a starting button is pressed to electrify the coil, and an armature iron drives a free release mechanism to act to disconnect a main contact;
when the intelligent low-voltage circuit breaker performs closing action, the main shaft 109 can drive the connecting rod 115 to enable the contact support to rotate anticlockwise around the center of the connecting rod 115, and after the moving contact 107 and the static contact 103 complete contact action, the compressed contact spring 113 can generate sufficient contact pressure to realize reliable connection of the circuit breaker;
the intelligent release panel 3 is provided with a network communication module, and the operation data and the operation working condition of the circuit breaker are remotely controlled and checked through a computer or mobile equipment by using an M2M system framework.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the utility model concepts of the present invention in the scope of the present invention.
Claims (6)
1. An intelligent low-voltage circuit breaker comprises a circuit breaker shell (1), a drawing frame (101), an arc extinguishing cover (102), a static contact (103), a static contact arc striking plate (104), a mutual inductor (105), a bus (106), a moving contact (107), a release (108), a main shaft (109), an operating mechanism (110), an energy storage spring (111), a flexible joint (112), a contact spring (113), a contact support (114), a connecting rod (115), a main shaft frame (116), a binding post (2), an intelligent release panel (3), a reset button (301), a display screen (302), a brake separating lock (4), a brake separating button (5), a closing button (6), a main contact position indication (7), an energy storage indication (8), a circuit breaker bottom plate (9), a rocking handle (901), an indicator lamp (902), a USB interface (903), a locking device (904), a tripping device (905), a trip device (905), a switch, An energy storage handle (10);
the method is characterized in that: the drawing frame (101) is fixedly connected to the right end of a breaker shell (1), the arc extinguishing cover (102) is fixedly connected to the top end inside the breaker shell (1), the fixed contact (103) is fixedly connected to the left end of the breaker shell (1), the fixed contact arc striking plate (104) is fixedly connected to the right end of the fixed contact (103), the fixed contact arc striking plate (104) is fixedly connected to the left end inside the breaker shell (1), the mutual inductor (105) is fixedly connected to the bottom end of the fixed contact (103), the bus (106) is fixedly connected to the bottom end of the mutual inductor (105), the movable contact (107) is fixedly connected to the right end of the bus (106), the tripper (108) is fixedly connected to the right end inside the breaker shell (1), the main shaft frame (116) is fixedly connected to the right end of the connecting rod (115) and located at the bottom end of the tripper (108), the operating mechanism (110) is fixedly connected to the inside the breaker shell (1) and located at the right end of the main shaft frame (116), the energy storage spring (111) is fixedly connected to the bottom end inside the shell (1) of the circuit breaker, one end of the flexible connection (112) is fixedly connected to the bottom end of the moving contact (107), the other end of the flexible connection (112) is fixedly connected to the top end of the bus (106), one end of the contact spring (113) is fixedly connected to the right end of the moving contact (107), the other end of the contact spring is fixedly connected to the left end of the contact support (114), and the spindle (109) is movably connected to the inside of a spindle frame (116) at the right end of the contact support (114);
the wiring terminal (2) is fixedly connected to the top end of a breaker shell (1), an intelligent release panel (3) is fixedly connected to the left side of the front end of the breaker shell (1), a reset button (301) is fixedly connected to the front end of the intelligent release panel (3), a display screen (302) is fixedly connected to the front end of the intelligent release panel (3) and is located at the bottom end of the reset button (301), an opening lock (4) is fixedly connected to the front end of the breaker shell (1) and is located at the right end of the intelligent release panel (3), an opening button (5) is fixedly connected to the front end of the breaker shell (1) and is located at the bottom end of the opening lock (4), a closing button (6) is fixedly connected to the front end of the breaker shell (1) and is located at the right end of the opening button (5), a main contact position indicator (7) is fixedly connected to the front end of the breaker shell (1) and is located at the bottom end of the opening button (5), the energy storage indicator (8) is fixedly connected to the front end of the breaker shell (1) and is positioned at the right end of the main contact position indicator (7);
circuit breaker bottom plate (9) fixed connection is in circuit breaker shell (1) bottom, and case (205) fixed connection is inside terminal (2), rocking handle (901), pilot lamp (902), USB interface (903), locking device (904), trip gear (905) from a left side to the right side fixed connection in proper order in circuit breaker bottom plate (9) front end, and energy storage handle (10) fixed connection is in circuit breaker shell (1) front end right side.
2. An intelligent low-voltage circuit breaker according to claim 1, characterized in that: the transformer (105) is a current transformer for protection.
3. An intelligent low-voltage circuit breaker according to claim 1, characterized in that: the release (108) consists of an undervoltage release and a shunt release.
4. An intelligent low-voltage circuit breaker, according to claim 1, characterized in that: the intelligent release panel (3) is provided with a network communication module.
5. An intelligent low-voltage circuit breaker, according to claim 1, characterized in that: the display screen (302) is a nixie tube digital display.
6. An intelligent low-voltage circuit breaker according to claim 1, characterized in that: patterns are arranged on the outer surfaces of the locking device (904) and the energy storage handle (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123004701.7U CN216980475U (en) | 2021-12-02 | 2021-12-02 | Intelligent low-voltage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123004701.7U CN216980475U (en) | 2021-12-02 | 2021-12-02 | Intelligent low-voltage circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN216980475U true CN216980475U (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123004701.7U Active CN216980475U (en) | 2021-12-02 | 2021-12-02 | Intelligent low-voltage circuit breaker |
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| Country | Link |
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| CN (1) | CN216980475U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115101390A (en) * | 2022-07-26 | 2022-09-23 | 杭州申发电气有限公司 | Double-break contact system for plastic case type circuit breaker and circuit breaking method |
| CN116613006A (en) * | 2023-05-21 | 2023-08-18 | 江苏云峰科技股份有限公司 | Energy storage circuit breaker dynamic management system based on energy storage data analysis |
-
2021
- 2021-12-02 CN CN202123004701.7U patent/CN216980475U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115101390A (en) * | 2022-07-26 | 2022-09-23 | 杭州申发电气有限公司 | Double-break contact system for plastic case type circuit breaker and circuit breaking method |
| CN115101390B (en) * | 2022-07-26 | 2024-03-26 | 杭州申发电气有限公司 | Double-break contact system for plastic shell type circuit breaker and circuit breaking method |
| CN116613006A (en) * | 2023-05-21 | 2023-08-18 | 江苏云峰科技股份有限公司 | Energy storage circuit breaker dynamic management system based on energy storage data analysis |
| CN116613006B (en) * | 2023-05-21 | 2024-01-30 | 江苏云峰科技股份有限公司 | Energy storage circuit breaker dynamic management system based on energy storage data analysis |
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