Circuit breaker, control method and device of circuit breaker, and nonvolatile storage medium

Abstract

The invention discloses a circuit breaker, a control method and device of the circuit breaker and a nonvolatile storage medium. The circuit breaker comprises a main loop, an auxiliary loop and a moving contact, and the main loop is used for conducting under the condition that the moving contact is connected with the main contact; a solid-state switch is arranged on the auxiliary loop, and the auxiliary loop is switched on under the condition that the auxiliary contact is connected with the moving contact and the solid-state switch is switched on; and the moving contact is used for controlling the conduction state of the main loop and the auxiliary loop. The technical problem that the switching speed is too low due to the fact that electric arcs are generated in the circuit breaker switching process is solved.

Description

Technical Field

[0001] The present invention relates to the field of power electronics technology, and in particular to a circuit breaker and a control method, device and non-volatile storage medium for the circuit breaker. Background Art

[0002] In the field of switches, vacuum switch technology has been widely used in recent years. Vacuum switches have disadvantages such as high price, large size and low life. With the development of power electronics technology, power electronics arc-free circuit breakers / load switches have gradually received attention and become a new direction for the development of the switch field. However, in the field of switches, switches controlled by moving contacts have the problem of being unable to extinguish arcs. When switching switches, you must wait until the arc is extinguished before you can perform the next closing operation, otherwise it will cause a short circuit, which will lead to a slow switching speed.

[0003] To address the above-mentioned problems, no effective solution has been proposed yet. Summary of the invention

[0004] Embodiments of the present invention provide a circuit breaker and a control method, device, and non-volatile storage medium for the circuit breaker, so as to at least solve the technical problem that an arc is generated during the switching process of the circuit breaker, resulting in a too slow switching speed.

[0005] According to one aspect of an embodiment of the present invention, a circuit breaker is provided, comprising: a main circuit, an auxiliary circuit, and a moving contact, wherein the main circuit is used to be turned on when the moving contact is connected to the main contact; there is a solid-state switch on the auxiliary circuit, and the auxiliary circuit is turned on when the auxiliary contact is connected to the moving contact and the solid-state switch is turned on; the moving contact is used to control the conduction state of the main circuit and the auxiliary circuit.

[0006] Optionally, the circuit breaker further comprises: a main side contact, wherein the main side contact is adjacent to the main contact and is used to detect the conduction state of the main circuit; when the main side contacts are connected to the moving contact, it is determined that the main circuit is conducted and the auxiliary circuit is disconnected.

[0007] Optionally, the circuit breaker further comprises: a main side contact connected to an auxiliary circuit based on an XOR gate, wherein the main side contact is connected to an input end of the XOR gate, and a solid-state switch in the auxiliary circuit is connected to an output end of the XOR gate.

[0008] Optionally, the above-mentioned circuit breaker also includes: when the main and side contacts are both conductive or not conductive, the solid-state switch in the auxiliary circuit is turned off and the auxiliary circuit is disconnected; when there are conductive contacts and non-conductive contacts in the main and side contacts and the moving contact is connected to the auxiliary contact, the solid-state switch in the auxiliary circuit is turned on and the auxiliary circuit is conductive.

[0009] Optionally, the above-mentioned circuit breaker also includes: when the solid-state switch is turned off, the moving contact is disconnected from the auxiliary contact, and the circuit breaker is in an open state.

[0010] According to another aspect of an embodiment of the present invention, a control method for a circuit breaker is also provided, including: based on the above-mentioned circuit breaker, the control method includes: receiving a disconnection instruction of the circuit breaker; based on the disconnection instruction, controlling the circuit breaker to switch from the main circuit to the auxiliary circuit; controlling the solid-state switch in the auxiliary circuit to close; controlling the moving contact to leave the auxiliary contact to determine that the circuit breaker is disconnected.

[0011] Optionally, the control method further includes: receiving an opening instruction of the circuit breaker; based on the opening instruction, controlling the moving contact to connect with the auxiliary contact; controlling the solid-state switch to turn on, and determining that the auxiliary circuit is turned on; converting the auxiliary circuit conduction to the main circuit conduction, and determining that the circuit breaker is turned on.

[0012] According to another aspect of an embodiment of the present invention, a control device for a circuit breaker is also provided, including: a receiving module, used to receive a disconnection instruction of the circuit breaker; a control module, used to control the conversion from the main circuit conduction to the auxiliary circuit conduction in the circuit breaker based on the disconnection instruction; a closing module, used to control the solid-state switch in the auxiliary circuit to be closed; and a disconnection module, used to control the moving contact to leave the auxiliary contact to determine that the circuit breaker is disconnected.

[0013] According to another aspect of an embodiment of the present invention, a non-volatile storage medium is provided, the non-volatile storage medium including a stored program, wherein when the program is running, the device where the non-volatile storage medium is located is controlled to execute any one of the above-mentioned circuit breaker control methods.

[0014] According to another aspect of the embodiments of the present invention, a computer device is provided. The computer device includes a processor, and the processor is used to run a program. When the program is run, any one of the above-mentioned circuit breaker control methods is executed.

[0015] According to another aspect of the embodiments of the present invention, there is further provided a computer program product, including a computer program, and when the computer program is executed by a processor, any one of the above-mentioned circuit breaker control methods is implemented.

[0016] In an embodiment of the present invention, a control method for a circuit breaker is adopted, by receiving a disconnection instruction of the circuit breaker; based on the disconnection instruction, controlling the circuit breaker to switch from the main circuit to the auxiliary circuit; controlling the solid-state switch in the auxiliary circuit to be closed; controlling the moving contact to leave the auxiliary contact, and determining that the circuit breaker is disconnected, so as to achieve the purpose of not generating an arc during the switching process, thereby achieving the technical effect of improving the switching speed, and further solving the technical problem of the arc generated during the switching process of the circuit breaker causing the switching speed to be too slow. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0018] Figure 1 A hardware structure block diagram of a computer terminal for implementing a circuit breaker control method is shown;

[0019] Figure 2 is a circuit diagram of a circuit breaker provided according to an embodiment of the present invention;

[0020] Figure 3 is a first circuit schematic diagram of a disconnection process of a circuit breaker provided in an optional embodiment of the present invention;

[0021] Figure 4 is a second circuit schematic diagram of a disconnection process of a circuit breaker provided in an optional embodiment of the present invention;

[0022] Figure 5 is a third circuit schematic diagram during a disconnection process of a circuit breaker provided in an optional embodiment of the present invention;

[0023] Figure 6 is a fourth circuit schematic diagram of a circuit breaker in a disconnection process according to an optional embodiment of the present invention;

[0024] Figure 7 is a fifth circuit schematic diagram of a circuit breaker during a disconnection process provided by an optional embodiment of the present invention;

[0025] Figure 8 is a flow chart of a circuit breaker control method provided according to an embodiment of the present invention;

[0026] Fig. 9 4 is a structural block diagram of a control device for a circuit breaker provided according to an embodiment of the present invention. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0028] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0029] According to an embodiment of the present invention, a method embodiment of a circuit breaker control method is provided. It should be noted that the steps shown in the flowchart of the accompanying drawings can be executed in a computer system such as a set of computer executable instructions, and although a logical order is shown in the flowchart, in some cases, the steps shown or described can be executed in an order different from that shown here.

[0030] The method embodiment provided in the first embodiment of the present application can be executed in a mobile terminal, a computer terminal or a similar computing device. Figure 1 FIG. 1 shows a hardware structure block diagram of a computer terminal for implementing a circuit breaker control method. Figure 1 As shown, the computer terminal 10 may include one or more (102a, 102b, ..., 102n are used to illustrate) processors (the processor may include but is not limited to a processing device such as a microprocessor MCU or a programmable logic device FPGA), a memory 104 for storing data. In addition, it may also include: a display, an input / output interface (I / O interface), a universal serial bus (USB) port (which may be included as one of the ports of the BUS bus), a network interface, a power supply and / or a camera. It can be understood by those skilled in the art that Figure 1 The structure shown is only for illustration and does not limit the structure of the above electronic device. Figure 1 More or fewer components as shown, or with Figure 1 Different configurations are shown.

[0031] It should be noted that the one or more processors and / or other data processing circuits described above may generally be referred to herein as "data processing circuits". The data processing circuits may be embodied in whole or in part as software, hardware, firmware, or any other combination thereof. In addition, the data processing circuit may be a single independent processing module, or may be incorporated in whole or in part into any of the other components in the computer terminal 10. As described in the embodiments of the present application, the data processing circuit acts as a processor control (e.g., selection of a variable resistor terminal path connected to an interface).

[0032] The memory 104 can be used to store software programs and modules of application software, such as the program instructions / data storage device corresponding to the circuit breaker control method in the embodiment of the present invention. The processor executes various functional applications and data processing by running the software programs and modules stored in the memory 104, that is, the circuit breaker control method of the above-mentioned application program is realized. The memory 104 may include a high-speed random access memory, and may also include a non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 104 may further include a memory remotely arranged relative to the processor, and these remote memories may be connected to the computer terminal 10 via a network. Examples of the above-mentioned network include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.

[0033] The display may be, for example, a touch screen liquid crystal display (LCD) that enables a user to interact with a user interface of the computer terminal 10 .

[0034] At present, the switch controlled by the moving contact has low reliability: 1) When switching the switch, you must wait until the arc is extinguished before you can perform the next closing operation, otherwise it will cause a short circuit, which will not increase the switching speed and may cause a short circuit; 2) There is an arc during the switching process, which seriously burns the contacts. 3) The life of the contacts and the electrical life of the switch do not meet the requirements. Based on the above problems, the present invention proposes a circuit breaker. Figure 2 is a circuit diagram of a circuit breaker provided according to an embodiment of the present invention, such as Figure 2 As shown, the circuit breaker includes: a main circuit, an auxiliary circuit, and a moving contact, wherein the main circuit is used to be turned on when the moving contact is connected to the main contact; there is a solid-state switch on the auxiliary circuit, and the auxiliary circuit is turned on when the auxiliary contact is connected to the moving contact and the solid-state switch is turned on; the moving contact is used to control the conduction state of the main circuit and the auxiliary circuit.

[0035] like Figure 2As shown, A is the main contact, a is the auxiliary contact, D is the moving contact, and K and k are connected to the external circuit. Under normal operation, the moving contact D is connected to the main contact A, and the main circuits K, A, and k are connected. In the auxiliary circuit, that is, the circuit composed of K, a, and k, there is a solid-state switch. The reason why the circuit breaker generates an arc when the switch is switched is mainly because the current is still flowing during the disconnection process, and the contacts of the circuit breaker are forced to separate, resulting in the electrical connection between the contacts being suddenly interrupted, which will cause the arc to be generated. The arc is a plasma formed by the current jumping over the air or medium between the contacts when the current is disconnected, usually accompanied by the release of light and heat. Therefore, a solid-state switch is set in the auxiliary circuit to disconnect the circuit breaker. Because solid-state switches do not generate arcs during switching, the main reason is that they do not rely on the connection and disconnection of moving contacts and static contacts to make electrical connections and disconnections. In contrast, solid-state switches use semiconductor devices, such as transistors or power field effect tubes, to control the conduction and cutoff of current to achieve the switching function of the circuit. Because there are no contacts, solid-state switches do not generate arcs during the switching process. This makes solid-state switches have faster response speeds, longer life, and more reliable performance. Therefore, setting a solid-state switch on the auxiliary circuit to disconnect the circuit breaker can avoid the generation of arcs and thus increase the switching speed. Moreover, because solid-state switches have high requirements for heat dissipation, they will generate a certain amount of power loss when they are in the on state, and they need to dissipate heat effectively to ensure that the temperature does not exceed the safe range. Therefore, the voltage and current capacity of solid-state switches may be limited. Setting the solid-state switch on the auxiliary circuit will not affect the on state of the main circuit under normal circumstances, and when disconnecting, the solid-state switch can be disconnected first, and then the moving contact and the auxiliary contact can be disconnected to avoid the generation of arcs.

[0036] As an optional embodiment, the above-mentioned circuit breaker also includes: a main side contact, wherein the main side contact is adjacent to the main contact and is used to detect the conduction state of the main circuit; when the main side contacts are all connected to the moving contact, it is determined that the main circuit is turned on and the auxiliary circuit is disconnected.

[0037] Optionally, the circuit breaker may also include a main side contact, such as Figure 2 m and n shown in the figure, wherein the main side contact is adjacent to the main contact and is located on both sides of the main contact. When the main side contacts are connected to the moving contact, it can be determined that the main circuit is on and the auxiliary circuit is off. The main side contact can be used to detect the on-state of the main circuit and can control the auxiliary circuit to be connected when the main circuit is off.

[0038] As an optional embodiment, the above-mentioned circuit breaker also includes: a main side contact is connected to an auxiliary circuit based on an XOR gate, wherein the main side contact is connected to the input end of the XOR gate, and a solid-state switch in the auxiliary circuit is connected to the output end of the XOR gate.

[0039] Optionally, the main side contact is connected to the auxiliary circuit based on an XOR gate, wherein the main side contact is connected to the input end of the XOR gate, and the solid-state switch of the auxiliary circuit is connected to the output end of the XOR gate. The function of the XOR gate is to output "0" when both input ends are "1" or "0", and to output "1" when one input end is "1" and the other input end is "0". By connecting the output end of the XOR gate to the solid-state switch, the state of the solid-state switch can be controlled based on the main side contact.

[0040] As an optional embodiment, the above-mentioned circuit breaker also includes: when the main and side contacts are both conducting or not conducting, the solid-state switch in the auxiliary circuit is turned off and the auxiliary circuit is disconnected; when there are contacts in the conducting state and contacts in the not conducting state in the main and side contacts and the moving contact is connected to the auxiliary contact, the solid-state switch in the auxiliary circuit is turned on and the auxiliary circuit is conducted.

[0041] Optionally, when the main side contacts are all conducting or not conducting, that is, when the main side contacts are all connected to the moving contact or not connected to the moving contact, the XOR gate does not output current and the solid-state switch is in the closed state. When one of the main side contacts is in the conducting state, that is, one of the main side contacts is connected to the moving contact, the solid-state switch is in the open state, and at this time, the auxiliary contact is connected to the moving contact, and the auxiliary circuit is conducting.

[0042] As an optional embodiment, the above-mentioned circuit breaker further includes: when the solid-state switch is turned off, the moving contact is disconnected from the auxiliary contact, and the circuit breaker is in an open state.

[0043] Optionally, when the solid-state switch is turned off, the moving contact is disconnected from the auxiliary contact, and the circuit breaker is in the disconnected state. Because the circuit is disconnected by closing the solid-state switch, it is avoided that during the disconnection process, the current is still flowing, and the contacts of the circuit breaker are forced to separate, resulting in the electrical connection between the contacts being suddenly interrupted to form an arc.

[0044] Here is a specific example of a circuit change process from a circuit breaker being turned on to being turned off:

[0045] like Figure 2 As shown, this is the normal conduction state, the moving contact D is connected to the main contact A, the main side contacts m and n, the main circuit is turned on, and the auxiliary circuit is disconnected.

[0046] Figure 3 is a first circuit schematic diagram during the disconnection process of a circuit breaker provided in an optional embodiment of the present invention, such as Figure 3As shown, the moving contact D is moved. At this time, the moving contact D is connected to the main contact A, the auxiliary contact a, the main side contacts m and n, and the main circuit is turned on. Because the main side contacts m and n are both connected to the moving contact D, that is, at this time, the two input terminals of the XOR gate are both "1", and the output terminal is "0", so the solid-state switch is closed and the auxiliary circuit is not turned on.

[0047] Figure 4 is a second circuit schematic diagram during the disconnection process of a circuit breaker provided in an optional embodiment of the present invention, such as Figure 4 As shown, at this time, the moving contact D is connected to the main contact A, the auxiliary contact a, and the main side contact n, and the main circuit is still in the on state. For the two input ends of the XOR gate, one is "1" and the other is "0", so the output end of the XOR gate is 1, the solid-state switch is turned on, and the auxiliary circuit is turned on.

[0048] Figure 5 is a third circuit schematic diagram during the disconnection process of the circuit breaker provided in an optional embodiment of the present invention, such as Figure 5 As shown, at this time, the moving contact D is connected to the auxiliary contact a and the main side contact n, and the moving contact D is disconnected from the main contact A, and the main circuit is not conducting. For the two input ends of the XOR gate, one is "1" and the other is "0", so the output end of the XOR gate is 1, the solid-state switch is turned on, and the auxiliary circuit is conducting. At this time, the circuit state is converted from the main circuit conducting to the auxiliary circuit conducting.

[0049] Figure 6 is a fourth circuit schematic diagram of a circuit breaker during a disconnection process according to an optional embodiment of the present invention. Figure 6 As shown, at this time, the moving contact D is connected to the auxiliary contact a. If both input ends of the XOR gate are "0", the output end of the XOR gate is "0", and the solid-state switch is turned off, and the auxiliary circuit is disconnected. The solid-state switch is turned off to open the circuit, which avoids the current still flowing during the disconnection process, and the contacts of the circuit breaker are forced to separate, resulting in the electrical connection between the contacts being suddenly interrupted to form an arc, thereby increasing the switching speed of the switch.

[0050] Figure 7 is a fifth circuit diagram of a circuit breaker during a disconnection process according to an optional embodiment of the present invention. Figure 7 As shown, at this time, the moving contact D is not connected to other contacts, and the circuit breaker is switched from the on state to the off state.

[0051] Based on the above circuit breaker, a control method of the circuit breaker is adopted, which receives a disconnection instruction of the circuit breaker; based on the disconnection instruction, controls the circuit breaker to switch from the main circuit to the auxiliary circuit; controls the solid-state switch in the auxiliary circuit to be closed; controls the moving contact to leave the auxiliary contact, and determines that the circuit breaker is disconnected, so as to achieve the purpose of not generating an arc during the switching process, thereby realizing the technical effect of improving the switching speed, and further solving the technical problem that the switching speed is too slow due to the arc generated during the switching process of the circuit breaker.

[0052] Figure 8 is a flow chart of a circuit breaker control method according to an embodiment of the present invention. Figure 8 As shown, the method comprises the following steps:

[0053] Step S802, receiving a disconnection instruction of a circuit breaker.

[0054] In this step, a disconnection instruction of the circuit breaker is received, where the disconnection instruction can be to detect whether there is a fault in the circuit. For example, when the current in the circuit exceeds the rated current capacity of the circuit breaker or a short circuit occurs, the circuit breaker will automatically disconnect the circuit to prevent overload damage to the wires and equipment. The circuit breaker can also be manually disconnected by manually operating the circuit breaker handle or button.

[0055] Step S804: Based on the disconnection instruction, the circuit breaker is controlled to switch from the main circuit to the auxiliary circuit.

[0056] In this step, based on the disconnection instruction, the control circuit breaker is converted from the main circuit conduction to the auxiliary circuit conduction. In the conduction state, the moving contact is connected to the main contact, and the main circuit is now conducted. Based on the disconnection instruction, the moving contact moves and switches from being connected to the main contact to being connected to the auxiliary contact. When the moving contact is not connected to the main contact, the main circuit is disconnected. When the auxiliary contact is connected to the moving contact and the solid-state switch is turned on, the auxiliary circuit is conducted. Wherein, when there is a main side contact on each side of the main contact, the main side contact is connected to the auxiliary contact based on XOR logic. That is, when one of the main side contacts is connected to the moving contact, the current will flow from the main side contact to the solid-state switch on the auxiliary circuit, and the solid-state switch will be turned on.

[0057] Step S806, controlling the solid-state switch in the auxiliary loop to close.

[0058] In this step, the solid-state switch in the auxiliary circuit is controlled to be closed, wherein the solid-state switch is closed when no current flows out of the XOR gate. Specifically, there are two situations when the solid-state switch is closed, one is that both the main and side contacts are connected to the moving contact, and the other is that neither the main and side contacts are connected to the moving contact.

[0059] Step S808, controlling the moving contact to leave the auxiliary contact, and determining that the circuit breaker is disconnected.

[0060] Through the above steps, the purpose of not generating arcs during the switching process is achieved, thereby achieving the technical effect of improving the switching speed, and further solving the technical problem of slow switching speed caused by arcs generated during the circuit breaker switching process.

[0061] As an optional embodiment, the above-mentioned control method also includes: receiving an opening instruction of the circuit breaker; based on the opening instruction, controlling the moving contact to connect with the auxiliary contact; controlling the solid-state switch to turn on, and determining that the auxiliary circuit is turned on; converting the auxiliary circuit conduction to the main circuit conduction, and determining that the circuit breaker is turned on.

[0062] Optionally, when the circuit breaker is turned on, the moving contact is first connected to the auxiliary contact, and then when the solid-state switch is turned on, the auxiliary circuit is turned on. Then the auxiliary circuit is switched to the main circuit, that is, the moving contact is switched from being connected to the auxiliary contact to being connected to the auxiliary contact, and the circuit breaker is turned on.

[0063] It should be noted that, for the above-mentioned method embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the present invention is not limited by the described action sequence, because according to the present invention, certain steps can be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

[0064] Through the description of the above implementation methods, those skilled in the art can clearly understand that the control method of the circuit breaker according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is a better implementation method. Based on such an understanding, the technical solution of the present invention, or the part that contributes to the prior art, can be embodied in the form of a software product, which is stored in a storage medium (such as ROM / RAM, a magnetic disk, or an optical disk), and includes a number of instructions for enabling a terminal device (which can be a mobile phone, a computer, a server, or a network device, etc.) to execute the methods described in each embodiment of the present invention.

[0065] According to an embodiment of the present invention, a circuit breaker control device for implementing the above circuit breaker control method is also provided. Fig. 9 is a structural block diagram of a control device for a circuit breaker provided according to an embodiment of the present invention, such as Fig. 9 As shown, the control device of the circuit breaker includes: a receiving module 902, a control module 904, a closing module 906 and a disconnecting module 908. The control device of the circuit breaker is described below.

[0066] The receiving module 902 is used to receive a disconnection instruction of the circuit breaker.

[0067] The control module 904 is connected to the receiving module 902 and is used to control the circuit breaker to switch from the main circuit conduction to the auxiliary circuit conduction based on the disconnection instruction.

[0068] The closing module 906 is connected to the control module 904 and is used to control the solid-state switch in the auxiliary circuit to close.

[0069] The disconnection module 908 is connected to the closing module 906 and is used to control the moving contact to leave the auxiliary contact to determine that the circuit breaker is disconnected.

[0070] It should be noted that the receiving module 902, the control module 904, the closing module 906 and the disconnecting module 908 correspond to steps S802 to S808 in the embodiment, and the examples and application scenarios implemented by the multiple modules and the corresponding steps are the same, but are not limited to the contents disclosed in the above embodiment. It should be noted that the above modules as part of the device can be run in the computer terminal 10 provided in the embodiment.

[0071] An embodiment of the present invention may provide a computer device. Optionally, in this embodiment, the computer device may be located in at least one network device among multiple network devices of a computer network. The computer device includes a memory and a processor.

[0072] Among them, the memory can be used to store software programs and modules, such as the program instructions / modules corresponding to the control method and device of the circuit breaker in the embodiment of the present invention. The processor executes various functional applications and data processing by running the software programs and modules stored in the memory, that is, realizing the control method of the circuit breaker mentioned above. The memory may include a high-speed random access memory, and may also include a non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory may further include a memory remotely arranged relative to the processor, and these remote memories can be connected to the computer terminal via a network. Examples of the above-mentioned network include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.

[0073] The processor can call the information and application stored in the memory through the transmission device to execute the following steps: receive the disconnection instruction of the circuit breaker; based on the disconnection instruction, control the circuit breaker to switch from the main circuit to the auxiliary circuit; control the solid-state switch in the auxiliary circuit to close; control the moving contact to leave the auxiliary contact to determine that the circuit breaker is disconnected.

[0074] Optionally, the processor may also execute program codes of the following steps: receiving an opening instruction of the circuit breaker; based on the opening instruction, controlling the moving contact to connect with the auxiliary contact; controlling the solid-state switch to turn on, and determining that the auxiliary circuit is turned on; converting the auxiliary circuit to the main circuit, and determining that the circuit breaker is turned on.

[0075] By adopting the embodiment of the present invention, a control method for a circuit breaker is provided, which receives a disconnection instruction of the circuit breaker; based on the disconnection instruction, controls the circuit breaker to switch from the main circuit to the auxiliary circuit; controls the solid-state switch in the auxiliary circuit to be closed; controls the moving contact to leave the auxiliary contact, and determines that the circuit breaker is disconnected, so as to achieve the purpose of not generating an arc during the switching process, thereby realizing the technical effect of improving the switching speed, and further solving the technical problem that the switching speed is too slow due to the arc generated during the switching process of the circuit breaker.

[0076] A person of ordinary skill in the art can understand that all or part of the steps in the various methods of the above embodiments can be completed by instructing the hardware related to the terminal device through a program, and the program can be stored in a non-volatile storage medium, and the storage medium may include: a flash drive, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, etc.

[0077] The embodiment of the present invention further provides a non-volatile storage medium. Optionally, in this embodiment, the non-volatile storage medium can be used to store the program code executed by the circuit breaker control method provided in the above embodiment.

[0078] Optionally, in this embodiment, the non-volatile storage medium may be located in any computer terminal in a computer terminal group in a computer network, or in any mobile terminal in a mobile terminal group.

[0079] Optionally, in this embodiment, the non-volatile storage medium is configured to store program codes for executing the following steps: receiving a disconnection instruction of a circuit breaker; based on the disconnection instruction, controlling the circuit breaker to switch from the main circuit to the auxiliary circuit; controlling the solid-state switch in the auxiliary circuit to close; controlling the moving contact to leave the auxiliary contact to determine that the circuit breaker is disconnected.

[0080] Optionally, in this embodiment, the non-volatile storage medium is configured to store program codes for executing the following steps: receiving an opening instruction of the circuit breaker; based on the opening instruction, controlling the moving contact to connect with the auxiliary contact; controlling the solid-state switch to turn on, and determining that the auxiliary circuit is turned on; converting the auxiliary circuit conduction to the main circuit conduction, and determining that the circuit breaker is turned on.

[0081] An embodiment of the present invention also provides a computer program product, including a computer program. Optionally, in this embodiment, when the computer program is executed by a processor, it can achieve: receiving a disconnection instruction of a circuit breaker; based on the disconnection instruction, controlling the circuit breaker to switch from the main circuit to the auxiliary circuit; controlling the solid-state switch in the auxiliary circuit to close; controlling the moving contact to leave the auxiliary contact to determine that the circuit breaker is disconnected.

[0082] The serial numbers of the above embodiments of the present invention are only for description and do not represent the advantages or disadvantages of the embodiments.

[0083] In the above embodiments of the present invention, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0084] In the several embodiments provided in this application, it should be understood that the disclosed technical content can be implemented in other ways. Among them, the device embodiments described above are only schematic. For example, the division of the units can be a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of units or modules, which can be electrical or other forms.

[0085] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple units. Some or all of the units may be selected according to actual needs to achieve the purpose of the present embodiment.

[0086] In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0087] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a non-volatile storage medium. Based on this understanding, the technical solution of the present invention, or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product. The computer software product is stored in a storage medium, including a number of instructions to enable a computer device (which can be a personal computer, server or network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present invention. The aforementioned storage medium includes: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or optical disk and other media that can store program codes.

[0088] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A circuit breaker, characterized in that: include: A main circuit, an auxiliary circuit, and a moving contact, wherein the main circuit is used to be turned on when the moving contact is connected to the main contact; There is a solid-state switch on the auxiliary circuit, and when the auxiliary contact is connected to the moving contact and the solid-state switch is turned on, the auxiliary circuit is turned on; The moving contact is used to control the conduction state of the main circuit and the auxiliary circuit.

2. The circuit breaker according to claim 1, characterized in that: Also includes: A main bypass contact, wherein the main bypass contact is adjacent to the main contact and is used to detect the conduction state of the main circuit; When the main side contacts are all connected to the moving contact, it is determined that the main circuit is turned on and the auxiliary circuit is turned off.

3. The circuit breaker according to claim 2, characterized in that: Also includes: The main bypass contact is connected to the auxiliary circuit based on an XOR gate, wherein the main bypass contact is connected to the input end of the XOR gate, and the solid-state switch in the auxiliary circuit is connected to the output end of the XOR gate.

4. The circuit breaker according to claim 3, characterized in that: Also includes: When the main side contacts are both conducting or not conducting, the solid-state switch in the auxiliary circuit is turned off and the auxiliary circuit is disconnected; When there are contacts in the conducting state and contacts in the non-conducting state in the main bypass contacts and the moving contact is connected to the auxiliary contact, the solid-state switch in the auxiliary circuit is turned on and the auxiliary circuit is turned on.

5. The circuit breaker according to claim 1, characterized in that: Also includes: When the solid-state switch is turned off, the moving contact is disconnected from the auxiliary contact, and the circuit breaker is in an open state.

6. A circuit breaker control method, characterized in that: Based on the circuit breaker according to any one of claims 1 to 5, the control method comprises: receiving a disconnection instruction of the circuit breaker; Based on the disconnection instruction, control the circuit breaker to switch from a main circuit to an auxiliary circuit; Controlling the solid-state switch in the auxiliary circuit to close; The moving contact is controlled to leave the auxiliary contact, and the circuit breaker is determined to be disconnected.

7. The method according to claim 6, characterized in that Also includes: receiving an opening instruction of the circuit breaker; Based on the opening instruction, controlling the moving contact to connect with the auxiliary contact; Controlling the solid-state switch to turn on and ensuring that the auxiliary circuit is turned on; The auxiliary circuit is switched on to the main circuit, and the circuit breaker is determined to be on.

8. A circuit breaker control device, characterized in that: include: A receiving module, used for receiving a disconnection instruction of the circuit breaker; A control module, configured to control the circuit breaker to switch from a main circuit to an auxiliary circuit based on the disconnection instruction; A closing module, used for controlling the solid-state switch in the auxiliary circuit to close; The disconnection module is used to control the moving contact to leave the auxiliary contact and determine that the circuit breaker is disconnected.

9. A non-volatile storage medium, characterized in that: The non-volatile storage medium includes a stored program, wherein when the program is executed, the device where the non-volatile storage medium is located is controlled to execute the circuit breaker control method according to any one of claims 6 to 7.

10. A computer device, characterized in that: include: Memory and processor, The memory stores a computer program; The processor is used to execute the computer program stored in the memory, and when the computer program is running, the processor executes the circuit breaker control method according to any one of claims 6 to 7.

11. A computer program product, comprising a computer program, characterized in that When the computer program is executed by a processor, the circuit breaker control method according to any one of claims 6 to 7 is implemented.

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