CN211016942U - Circuit breaker - Google Patents
Circuit breaker Download PDFInfo
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- CN211016942U CN211016942U CN201922055728.5U CN201922055728U CN211016942U CN 211016942 U CN211016942 U CN 211016942U CN 201922055728 U CN201922055728 U CN 201922055728U CN 211016942 U CN211016942 U CN 211016942U
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- circuit breaker
- local bus
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Abstract
The utility model relates to the field of low-voltage electrical appliances, in particular to a circuit breaker, which comprises a shell, a controller, a local bus, a power module, a circuit breaker component, a moving contact and a static contact, wherein the controller, the local bus, the power module, the circuit breaker component, the moving contact and the static contact are arranged in the shell, and the moving contact and the static contact are used for opening/closing a main loop of the circuit; the controller comprises a self power supply and a local bus standard interface, wherein the self power supply is used for providing a working power supply for the controller, and the self power supply is electrically connected with a main circuit of the circuit breaker; the circuit breaker assembly includes at least one expansion module, each expansion module including a local bus standard interface; the controller and each expansion module are respectively connected with a local bus through respective local bus standard interfaces, and the power supply module is electrically connected with each expansion module; the utility model discloses circuit breaker, its power module is each extension module power supply, has reduced the load of controller, has guaranteed the startability of controller and the real-time of electroless start-up.
Description
Technical Field
The utility model relates to a low-voltage apparatus field, concretely relates to circuit breaker.
Background
The early low-voltage circuit breaker does not use a bus technology, so that the low-voltage circuit breaker cannot be conveniently developed in a modularized manner, and a new requirement needs to change the design scheme of the whole circuit breaker controller, so that the design type is complicated; or when the low-voltage circuit breaker is designed in the previous period, a plurality of reserved functions are considered, but all new function requirements cannot be completely covered, and due to the fact that the reserved functions in the previous period are excessive, the manufacturing cost is increased greatly, the layout of components of the circuit board is crowded, and the design performance of the circuit board is reduced.
After the existing low-voltage circuit breaker uses a bus technology, the problem of modular development is solved, so that the extension design is facilitated, but because all accessories need to be supplied with power from a controller, the power load of the controller is heavier, and under the condition of only depending on the power supply of the circuit breaker (the power supply of the circuit breaker refers to the power supply generated by the mutual inductor by inducing the large current flowing through a main loop and supplying power to the controller, which is an indispensable power supply mode required in the standard of the circuit breaker), the starting performance of the controller of the circuit breaker and the protection timeliness during the electroless starting are influenced.
Disclosure of Invention
An object of the utility model is to overcome prior art's defect, provide a circuit breaker, its power module is each extension module power supply, has reduced the load of controller, has guaranteed the startability of controller and the real-time of electroless start-up.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a circuit breaker comprises a shell 1, a controller 2, a local bus 15, a power module 6, a circuit breaker component, a moving contact and a static contact, wherein the controller 2, the local bus 15, the power module, the circuit breaker component, the moving contact and the static contact are arranged in the shell 1; the controller 2 comprises a self power supply 3 for providing a working power supply for the controller and a local bus standard interface 10, wherein the self power supply 3 is electrically connected with a main circuit of the circuit breaker; the circuit breaker assembly comprises at least one expansion module, each expansion module comprising a local bus standard interface 10; the controller 2 and each expansion module are respectively connected with a local bus 15 through respective local bus standard interfaces 10, and the power supply module 6 is electrically connected with each expansion module.
Preferably, the power module 6 includes a standard power interface 11, each expansion module further includes a standard power interface 11, and each expansion module is electrically connected to the power module 6 through the respective standard power interface 11 and a power module power supply line 13.
Preferably, the controller 2 is also electrically connected to a power module 6.
Preferably, the controller 2 further includes a main control module 4 and an intelligent module 5, the self power supply 3 is respectively connected with the main control module 4 and the intelligent module 5 and respectively provides a working power supply for the main control module 4 and the intelligent module 5, the main control module 4 and the intelligent module 5 both include a local bus standard interface 10, the main control module 4 and the intelligent module 5 are respectively connected with a local bus 15 through respective local bus standard interfaces 10, and the main control module 4 is connected with the intelligent module 5 through a first internal bus 14.
Preferably, the first internal bus 14 is a UART bus, or an IIC bus, or an SPI bus.
Preferably, one of the expansion modules is a first expansion module 7, the first expansion module 7 is an accessory management module, a local test module or an expansion digital IO module, and the first expansion module 7 is connected to the local bus 15 and the power supply module 6 through a local bus standard interface 10 and a standard power supply interface 11 of the first expansion module respectively.
Preferably, one of the expansion modules is a second expansion module 8, and the second expansion module 8 is connected to a local bus 15 through a local bus standard interface 10 thereof and is connected to the network device 9 through a first external bus 16.
Preferably, the second expansion module 8 is a communication module for protocol conversion and communication data management between the local bus 15 and the first external bus 16; the network device 9 is a network data transmission hardware device connecting the circuit breaker and the remote data platform.
Preferably, the local bus 15 is a CAN bus, the first external bus 16 is an RS485 bus, the second expansion module 8 is a CAN-to-RS 485 module, and the network device 9 is a gateway.
Preferably, the circuit breaker component comprises at least one of three expansion modules, namely an accessory management module, a local test module and an expansion digital IO module, and each expansion module comprises a local bus standard interface 10 and a standard power supply interface 11.
Preferably, the circuit breaker assembly comprises a plurality of expansion modules; the controller 2 is in communication connection with the expansion modules through a local bus 15, and the expansion modules are in communication connection through the local bus.
The utility model discloses a circuit breaker, the extension module of its controller, circuit breaker part can link to each other with local bus through respective local bus standard interface, has realized the modular design of circuit breaker, can convenient, swift adjustment circuit breaker's functional module, and the controller includes self power, and each extension module links to each other with power module through respective standard power source interface, has showing and has reduced the load that takes of controller itself to the startability of controller and the real-time of electroless start have been guaranteed; moreover, the local bus can not only realize the communication between the controller and the expansion modules, but also realize the communication between the expansion modules.
Additionally, the utility model discloses the circuit breaker expands when needs to the function of circuit breaker, only needs all to establish the expansion module bus interface, the power source interface that increase to hang respectively on local bus, power module power supply line can, easy operation is swift. In addition, the controller can also be connected with a power supply module, and the power supply module can be used as a standby power supply of the controller, so that the working reliability of the controller is improved.
Drawings
Fig. 1 is a schematic diagram of a circuit breaker module according to the present invention.
Detailed Description
The following describes a circuit breaker according to an embodiment of the present invention with reference to fig. 1. The circuit breaker of the present invention is not limited to the description of the following embodiments.
The utility model discloses a circuit breaker, including the casing 1 and setting up controller 2, local bus 15, power module 6, circuit breaker part, the moving contact and the static contact that are used for breaking/closing the main loop of circuit breaker and cooperate and use in the casing 1; the controller 2 comprises a self power supply 3 for providing a working power supply for the controller and a local bus standard interface 10, wherein the self power supply 3 is electrically connected with a main circuit of the circuit breaker; the circuit breaker assembly comprises at least one expansion module, each expansion module comprising a local bus standard interface 10; the controller 2 and each expansion module are respectively connected with a local bus 15 through respective local bus interfaces 10, and the power supply module 6 is respectively electrically connected with each expansion module.
The circuit breaker of the utility model, the controller 2 and the extension module of the circuit breaker component can be connected with the local bus 15 through the respective local bus standard interface 10, thereby realizing the modular design of the circuit breaker, conveniently and quickly adjusting the function module of the circuit breaker, the controller 2 comprises the self power supply 3, each extension module is connected with the power supply module 6 through the respective standard power supply interface 11, the load carried by the controller 2 is obviously reduced, thereby ensuring the starting performance of the controller 2 and the real-time performance of the electroless starting,
preferably, the power module 6 includes a standard power interface 11, each expansion module includes a standard power interface 11, and each expansion module is electrically connected to the standard power interface 11 of the power module 6 through its respective standard power interface 11. The utility model discloses a circuit breaker, when needs expand the function of circuit breaker, only need all establish the expansion module bus interface, the power source interface that increase to the standard interface to hang respectively on local bus 15, power module power supply line 13 can, easy operation is swift.
Preferably, the circuit breaker assembly comprises a plurality of expansion modules; the controller 2 is in communication connection with the expansion modules through a local bus 15, and the communication modules are in communication connection through the local bus 15.
As shown in fig. 1, the circuit breaker of the present invention is an embodiment.
The utility model discloses a circuit breaker, including the casing 1 and setting up controller 2, local bus 15, power module 6, circuit breaker part, the moving contact and the static contact that are used for breaking/closing the main loop of circuit breaker and cooperate and use in the casing 1; the controller 2 comprises a self power supply 3 for providing a working power supply for the controller and a local bus standard interface 10, wherein the self power supply 3 is electrically connected with a main circuit of the circuit breaker; the power supply module 6 comprises a standard power supply interface 11; the circuit breaker assembly comprises at least one expansion module, each expansion module comprising a standard power interface 11 and a local bus standard interface 10; the controller 2 and each expansion module are respectively connected with a local bus 15 through respective local bus standard interfaces 10, and each expansion module is electrically connected with the standard power supply interface 11 of the power supply module 6 through respective standard power supply interfaces 11 and power supply module power supply lines 13.
Preferably, as shown in fig. 1, the controller 2 further includes a main control component 4 and an intelligent component 5, the main power supply 3 is respectively connected with the main control component 4 and the intelligent component 5 and respectively provides working power for the main control component 4 and the intelligent component 5, the main control component 4 and the intelligent component 5 both include a local bus standard interface 10, the main control component 4 and the intelligent component 5 are connected with a local bus 15 through respective local bus standard interfaces 10, the main control component 4 is connected with the intelligent component 5 through a first internal bus 14, further, the first internal bus 14 is a UART bus, or an IIC bus, or an SPI bus, the controller 2 is further electrically connected with a power module 6, the power module 6 is used as a backup power supply of the controller 2, thereby improving the working reliability of the controller 2, the power supply only supplies power to the controller itself, no power is supplied to any other module, the power supply can also be supplied to the controller, when the power module does not supply power, the other module functions and bus functions are all disabled, the power supply can keep the functions of the controller, the working functions of the controller, the intelligent module can also supply power to other modules except for supplying power to other modules, the controller module can also supply power to the controller, the controller can also provide power module, the intelligent breaker can also include a short-protection module, the intelligent breaker is used for the short-protection module, the short-protection module is used for the short-protection module, the short-trip-protection module is used for the short-protection module, the short-protection module is used for.
Preferably, the circuit breaker assembly comprises a plurality of expansion modules; the controller 2 is in communication connection with each expansion module through a local bus 15, and each expansion module is in communication connection with each other through the local bus.
Preferably, as shown in fig. 1, one of the expansion modules is a first expansion module 7, the first expansion module 7 is an accessory management module, a local test module, or an expansion digital IO module, and the first expansion module 7 is connected to the local bus 15 and the power supply module 6 through a local bus standard interface 10 and a standard power supply interface 11 of the first expansion module, respectively. Furthermore, the accessory management module integrates functions of an undervoltage release, a closing electromagnet, a shunt release and the like, adopts chip control, can perform parameter setting and execution mode setting, and has functions of communication, state reporting and the like; the local test module comprises chip control, and can provide local tripping test or simulation test functions, and also provide functions of local configuration input of each module, program update of each module and the like; the extension digital IO module contains chip control, can accept some state instructions of other modules or host computers, provides various digital input and output states or signals, is not limited by the volume and the number of the controller, and can be provided with a plurality of extension digital IO modules by one circuit breaker.
Preferably, as shown in fig. 1, one of the expansion modules is a second expansion module 8, and the second expansion module 8 is connected to the local bus 15 through its local bus standard interface 10 and is connected to the network device 9 through a first external bus 16. Further, the second expansion module 8 is a communication module for protocol conversion and communication data management between the local bus 15 and the first external bus 16; the network device 9 is a network data transmission hardware device connecting the circuit breaker and the remote data platform. Further, the second expansion module 8 is a module for converting CAN to RS485, and the network device 9 is a gateway.
Preferably, the circuit breaker component comprises at least one of three expansion modules, namely an accessory management module, a local test module and an expansion digital IO module, and each expansion module comprises a local bus standard interface 10 and a standard power supply interface 11.
As shown in fig. 1, the circuit breaker is preferably a frame circuit breaker according to an embodiment of the present invention.
The utility model discloses a circuit breaker comprises a shell 1, a controller 2 arranged in the shell 1, a local bus 15, a power module 6, a circuit breaker component, a moving contact and a static contact which are used for disconnecting/closing a main loop of the circuit breaker; the controller 2 comprises a self power supply 3, a main control assembly 4 and an intelligent assembly 5 which provide working power for the controller, wherein the self power supply 3 is respectively connected with the main control assembly 4 and the intelligent assembly 5 and respectively provides the working power for the main control assembly 4 and the intelligent assembly 5, the main control assembly 4 is connected with the intelligent assembly 5 through a first internal bus 14, the main control assembly 4 and the intelligent assembly 5 are both provided with local bus standard interfaces 10, and the main control assembly 4 and the intelligent assembly 5 are respectively connected with a local bus 15 through respective local bus standard interfaces 10; the power supply module 6 comprises a standard power supply interface 11; the circuit breaker component comprises a first expansion module 7 and a second expansion module 8, wherein the first expansion module 7 and the second expansion module 8 both comprise a local bus standard interface 10 and a local power supply interface 11, the first expansion module 7 and the second expansion module 8 are respectively connected with a local bus 15 through respective local bus standard interfaces 10, and are connected with the standard power supply interface 11 of the power supply module 6 through respective standard power supply interfaces 11 and a power supply module power supply line 13; the second expansion module 8 is also connected to the network device 9 via a first external bus 16.
Preferably, the controller 2 is an intelligent controller of a frame circuit breaker, the self power supply 3 is an intelligent controller mutual inductor induced power supply module, the main control assembly 4 is a base core assembly and comprises an intelligent chip and is mainly used for realizing basic functions of the controllers such as measurement, protection and tripping, and the intelligent assembly 5 is an enhanced core assembly and comprises an intelligent chip and is mainly used for realizing enhanced extended functions of the controllers such as Human Machine Interface (HMI) human-computer interaction, programmable logic control and historical records. Specifically, the intelligent chips of the base core assembly and the enhanced core assembly can adopt STM32F407 series chips and chips of the same type.
Preferably, the power module 6 is an AC220V-DC24V power module.
Preferably, the second expansion module 8 is a module converting from CAN to RS 485.
Preferably, the network device 9 is a gateway.
Preferably, the local bus standard interface 10 is a CAN bus interface.
Preferably, the power standard interface 11 is a DC24V interface.
Preferably, the first internal bus 14 is an SPI bus.
Preferably, the local bus 15 is a CAN bus.
Preferably, the first external bus 16 is an RS485 bus.
It should be noted that the local bus 15 is not limited to a CAN bus, and the first external bus 16 is not limited to an RS485 bus, and may also adopt a power line carrier, an optical fiber, and a wireless communication mode.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (11)
1. A circuit breaker is characterized by comprising a shell (1), a controller (2), a local bus (15), a power module (6), a circuit breaker component, a moving contact and a static contact, wherein the controller (2), the local bus (15), the power module, the circuit breaker component, the moving contact and the static contact are arranged in the shell (1) and are used for opening/closing a main loop of the circuit breaker; the controller (2) comprises a self power supply (3) for providing a working power supply for the controller and a local bus standard interface (10), wherein the self power supply (3) is electrically connected with a main circuit of the circuit breaker; the circuit breaker assembly comprises at least one expansion module, each expansion module comprising a local bus standard interface (10); the controller (2) and each expansion module are respectively connected with a local bus (15) through respective local bus standard interfaces (10), and the power supply module (6) is electrically connected with each expansion module.
2. The circuit breaker of claim 1, wherein: the power module (6) comprises a standard power interface (11), each expansion module further comprises a standard power interface (11), and each expansion module is respectively electrically connected with the power module (6) through the respective standard power interface (11) and a power module power supply line (13).
3. The circuit breaker according to claim 1 or 2, characterized in that: the controller (2) is also electrically connected with the power module (6).
4. The circuit breaker of claim 1, wherein: controller (2) still include main control assembly (4) and intelligent component (5), self power (3) link to each other and provide working power supply for main control assembly (4) and intelligent component (5) respectively with main control assembly (4) and intelligent component (5) respectively, main control assembly (4) and intelligent component (5) all include local bus standard interface (10), main control assembly (4) and intelligent component (5) link to each other with local bus (15) respectively through respective local bus standard interface (10), main control assembly (4) link to each other with intelligent component (5) through first internal bus (14).
5. The circuit breaker of claim 4, wherein: the first internal bus (14) is a UART bus, or an IIC bus, or an SPI bus.
6. The circuit breaker of claim 2, wherein: one of the expansion modules is a first expansion module (7), the first expansion module (7) is an accessory management module or a local test module or an expansion digital IO module, and the first expansion module (7) is respectively connected with a local bus (15) and a power supply module (6) through a local bus standard interface (10) and a standard power supply interface (11).
7. The circuit breaker of claim 2, wherein: one of the expansion modules is a second expansion module (8), and the second expansion module (8) is connected with a local bus (15) through a local bus standard interface (10) and is connected with a network device (9) through a first external bus (16).
8. The circuit breaker of claim 7, wherein: the second expansion module (8) is a communication module used for protocol conversion and communication data management between the local bus (15) and the first external bus (16); and the network equipment (9) is network data transmission hardware equipment for connecting the circuit breaker and the remote data platform.
9. The circuit breaker of claim 8, wherein: the local bus (15) is a CAN bus, the first external bus (16) is an RS485 bus, the second expansion module (8) is a CAN-to-RS 485 module, and the network equipment (9) is a gateway.
10. The circuit breaker according to claim 2 or 7, characterized in that: the circuit breaker component comprises at least one of three expansion modules, namely an accessory management module, a local test module and an expansion digital IO module, wherein each expansion module comprises a local bus standard interface (10) and a standard power supply interface (11).
11. The circuit breaker of claim 1, wherein: the circuit breaker assembly includes a plurality of expansion modules; the controller (2) is in communication connection with the expansion modules through a local bus (15), and the expansion modules are in communication connection through the local bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922055728.5U CN211016942U (en) | 2019-11-25 | 2019-11-25 | Circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922055728.5U CN211016942U (en) | 2019-11-25 | 2019-11-25 | Circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211016942U true CN211016942U (en) | 2020-07-14 |
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ID=71479274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922055728.5U Active CN211016942U (en) | 2019-11-25 | 2019-11-25 | Circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211016942U (en) |
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2019
- 2019-11-25 CN CN201922055728.5U patent/CN211016942U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ZHEJIANG CHINT ELECTRICS Co.,Ltd. Assignor: Shanghai Chint Intelligent Technology Co.,Ltd. Contract record no.: X2021330000592 Denomination of utility model: Circuit breaker Granted publication date: 20200714 License type: Common License Record date: 20211026 |