CN214314548U - Circuit breaker - Google Patents
Circuit breaker Download PDFInfo
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- CN214314548U CN214314548U CN202120340508.1U CN202120340508U CN214314548U CN 214314548 U CN214314548 U CN 214314548U CN 202120340508 U CN202120340508 U CN 202120340508U CN 214314548 U CN214314548 U CN 214314548U
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Abstract
The utility model discloses a circuit breaker, wherein, the processing module of circuit breaker receives voltage acquisition module and gathers alternating current power supply's voltage signal, through handling voltage signal and generate processing instruction, divide-shut brake control module receives processing instruction and sets up the action of dividing the combined floodgate module, generates control instruction and sends for the action of relay module pair combined floodgate module and controls. The utility model discloses a divide-shut brake control module's processing instruction control divide-shut brake module's action realizes the function of undervoltage automatic reclosing, can resume the power supply in the short time, and the work load is little.
Description
Technical Field
The utility model relates to a low-voltage apparatus technical field, concretely relates to circuit breaker.
Background
At present, a reclosing function is widely applied in the field of high-voltage power transmission and distribution, and is an automatic device for dealing with transient faults, insulation recovery can be automatically eliminated along with the gasification of dirt or disappearance of disasters under the conditions of thunder, wind damage, line-collision foreign matter discharge and the like, the reclosing device enables a cut line to be put into operation again, power supply reliability and economic benefits are improved, in the prior art, the reclosing device needs to be attended by people, a power supply department needs to be matched with a user on site to recover power supply, the reclosing device is inconvenient to use, when an undervoltage protection action of a breaker occurs to public power distribution facilities without operators on duty, the operators need to operate on site, and the problems of long power supply recovery time and large workload exist.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a pair of circuit breaker needs staff to the field operation when having overcome circuit breaker under-voltage protection action among the prior art, the defect that the recovery power supply time that arouses is long, work load is big.
In order to achieve the above purpose, the utility model provides a following technical scheme:
in a first aspect, an embodiment of the present invention provides a circuit breaker, including: a voltage acquisition module, a processing module, a power supply module, a relay module, a switching-on/off control module, a switching-on/off module and a switch module, wherein,
the processing module receives a voltage signal of an alternating current power supply acquired by the voltage acquisition module, generates a processing instruction by processing the voltage signal, the switching-on and switching-off control module receives the processing instruction and sets the action of the switching-on and switching-off module, and generates a control instruction to be sent to the relay module to control the action of the switching-on and switching-off module;
the power supply module is used for providing power for the processing module and the relay module;
and the switch module is used for timely cutting off the connection between the switching-on and switching-off control module and the switching-on and switching-off module after the switching-on and switching-off module acts.
In one embodiment, the actuating mechanism of the switching-on/off module comprises: shunt release, closing electromagnet.
In one embodiment, the switching-on/off control module comprises: a switching-off control submodule and a reclosing control submodule;
the shunt switch control submodule is used for sending a shunt switch control instruction to the relay module to control the shunt release to act;
and the reclosing control submodule is used for sending a reclosing control instruction to the relay module to control the action of the closing electromagnet.
In one embodiment, the processing module comprises: and the analog-to-digital conversion module is used for performing analog-to-digital conversion on the voltage signal provided by the voltage acquisition module.
In one embodiment, the method further comprises: and the alarm module generates an alarm signal when the opening and closing module can not act according to the action instruction.
In one embodiment, the method further comprises: the interactive display device is used for displaying various voltage parameters, running states and fault categories, and acquiring clock setting, measurement of a measuring meter and language setting input by a user;
the operating states include: a switching-off state and a switching-on state;
the failure categories include: undervoltage faults, overvoltage faults;
the meter measurements include: an automatic reclosing button and a manual reclosing button.
In one embodiment, the control instructions include: a function setting instruction, an execution mode instruction, wherein,
the function setting instruction includes: an undervoltage start value, a start time, an undervoltage return value, a return time;
the execution mode instruction comprises: normally closed pulse, normally open pulse, normally closed level, normally open level.
The utility model discloses technical scheme has following advantage:
the utility model provides a circuit breaker, processing module receive voltage acquisition module and gather alternating current power supply's voltage signal, through handling voltage signal and generate processing instruction, divide-shut brake control module receives processing instruction and sets up the action of dividing the combined floodgate module, and the action that generates control instruction and send for the relay module divides the combined floodgate module is controlled. The utility model discloses a divide-shut brake control module's processing instruction control divide-shut brake module's action realizes the function of undervoltage automatic reclosing, can resume the power supply in the short time, and the work load is little.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a block diagram of a circuit breaker according to an embodiment of the present invention;
fig. 2 is a diagram of another module assembly of a circuit breaker according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
An embodiment of the utility model provides a circuit breaker, as shown in fig. 1, include: the device comprises a voltage acquisition module, a processing module, a power supply module, a relay module, a switching-on/off control module, a switching-on/off module and a switch module, wherein the processing module receives a voltage signal of an alternating current power supply acquired by the voltage acquisition module and processes the voltage signal to generate a processing instruction, the switching-on/off control module receives the processing instruction to set the action of the switching-on/off module, and the generated control instruction is sent to the relay module to control the action of the switching-on/off module; switch module for after the divide-shut brake module moves, in time cut off the divide-shut brake control module and be connected with the divide-shut brake module, the circuit breaker needs a regulated power supply to provide for processing module and relay module and lasts the power supply to guarantee that voltage sampling is in real time monitoring state and guarantee each module steady job, and the divide-shut brake coil does not receive the influence of main loop voltage and ensure reliable action, consequently the utility model discloses set up the power module of independent power supply. The embodiment of the utility model provides a circuit breaker investment is low, easily realize, the accurate requirement that can satisfy the actual engineering application of action.
In an embodiment of the present invention, the processing module includes: and the analog-to-digital conversion module is used for performing analog-to-digital conversion on the voltage signal provided by the voltage acquisition module and performing preprocessing processes such as level conversion, sampling and holding and the like on the acquired voltage analog signal.
In the embodiment of the present invention, as shown in fig. 2, the circuit breaker voltage acquisition module is connected to the N, U, V, W three-phase four-wire system power supply of the main loop ac power supply, and the processing module and the relay module adopt the power module to supply power. Action mechanism of divide-shut brake module includes: a shunt release F and a closing electromagnet X; divide closing control module includes: an opening control submodule DO1 and a reclosing control submodule DO 2; the shunt tripping control submodule DO1 is used for sending a shunt tripping control instruction to the relay module to control the shunt release to act; and the reclosing control submodule DO2 is used for sending a reclosing control command to the relay module to control the action of the closing electromagnet, and the switching module DF is used for timely cutting off the connection between the opening and closing control module and the opening and closing module after the opening and closing module acts. In the processing module processing instruction output part, because of the capacity limitation of the small relay at the 1/O port of the processing module and the reason that the load capacity of the opening/closing coil is larger, an external relay module is required to carry out signal transition to control the opening release F and the closing electromagnet X of the circuit breaker.
In the embodiment of the present invention, the embodiment of the present invention provides a circuit breaker, still include: and the alarm module generates an alarm signal when the switching-on/off module can not act according to the action command, and the alarm signal can be an audible and visual alarm signal, which is only taken as an example and is not limited to the above.
In the embodiment of the present invention, the embodiment of the present invention provides a circuit breaker, still include: the interactive display device is used for displaying various voltage parameters, running states and fault categories, and acquiring clock setting, measurement of a measuring meter and language setting input by a user; the interactive display device is used for displaying various calculated voltage parameters (voltage values preprocessed by the analog-to-digital conversion module, which is only taken as an example and not limited), and displaying corresponding voltage values according to actual requirements in actual application; the operation state comprises the following steps: the opening state and the reclosing state are only taken as examples, but not limited to the examples, and the corresponding running state is displayed according to actual requirements in actual application; the failure categories include: under-voltage faults and over-voltage faults are only exemplified and not limited, and corresponding fault types are displayed according to actual requirements in actual application; the meter measurements include: the under-voltage protection function is still effective, when the voltage recovers to be normal, manual switching-on operation is needed, and the under-voltage switching-off and automatic reclosing functions can be carried out according to preset parameters under the position of the automatic reclosing button. Acquiring clock setting input by a user, and displaying corresponding date and time on a circuit breaker; and setting a corresponding use language according to the requirements of the user through language setting.
In an embodiment of the present invention, the control command includes: the method comprises a function setting instruction and an execution mode instruction, wherein the function setting instruction comprises the following steps: the under-voltage starting value, the starting time, the under-voltage return value and the return time are increased when the reclosing control module is started, and the setting range of each set value is not limited. The under-voltage starting value is an under-voltage action value, the starting time is a delay action time range, the under-voltage return value is a threshold voltage value of the reclosing action, when the line voltage recovers to be above the value, the reclosing action is prepared to be output, and the return time is set for delaying and then sending an automatic reclosing instruction. The execution mode instruction comprises: a normally closed pulse, a normally open pulse, a normally closed level, and a normally open level, which are only used as examples and are not limited thereto.
In order to reliably transmit the instruction information output by the processing module to the switching-on/off module, the circuit breaker provided by the embodiment of the utility model ensures reliable isolation and certain driving capability, the switching-on/off control module of the circuit breaker provided by the embodiment of the utility model receives the corresponding instruction of the processing module to complete the operation control of the primary electric element, because the undervoltage is judged to have integrateed in the circuit breaker, consequently no longer collocation original electromagnetic principle's undervoltage release, the intelligent release that adopts circuit breaker itself standard to join in marriage realizes voltage sampling, judges and the mode of action output with output signal direct control shunt release and combined floodgate electro-magnet realizes the branch/combined floodgate action of circuit breaker and is equipped with function setting such as time delay action, the embodiment of the utility model provides a circuit breaker investment is low, easily realize, the accurate requirement that can satisfy the actual engineering application of action.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.
Claims (7)
1. A circuit breaker, comprising: a voltage acquisition module, a processing module, a power supply module, a relay module, a switching-on/off control module, a switching-on/off module and a switch module, wherein,
the processing module receives a voltage signal of an alternating current power supply acquired by the voltage acquisition module, generates a processing instruction by processing the voltage signal, the switching-on and switching-off control module receives the processing instruction and sets the action of the switching-on and switching-off module, and generates a control instruction to be sent to the relay module to control the action of the switching-on and switching-off module;
the power supply module is used for providing power for the processing module and the relay module;
and the switch module is used for timely cutting off the connection between the switching-on and switching-off control module and the switching-on and switching-off module after the switching-on and switching-off module acts.
2. The circuit breaker according to claim 1, wherein the actuating mechanism of the opening and closing module comprises: shunt release, closing electromagnet.
3. The circuit breaker of claim 2, wherein the switching on and off control module comprises: a switching-off control submodule and a reclosing control submodule;
the shunt switch control submodule is used for sending a shunt switch control instruction to the relay module to control the shunt release to act;
and the reclosing control submodule is used for sending a reclosing control instruction to the relay module to control the action of the closing electromagnet.
4. The circuit breaker of claim 3, wherein the processing module comprises: and the analog-to-digital conversion module is used for performing analog-to-digital conversion on the voltage signal provided by the voltage acquisition module.
5. The circuit breaker of claim 3, further comprising: and the alarm module generates an alarm signal when the opening and closing module can not act according to the action instruction.
6. The circuit breaker of claim 1, further comprising: the interactive display device is used for displaying various voltage parameters, running states and fault categories, and acquiring clock setting, measurement of a measuring meter and language setting input by a user;
the operating states include: a switching-off state and a switching-on state;
the failure categories include: undervoltage faults, overvoltage faults;
the meter measurements include: an automatic reclosing button and a manual reclosing button.
7. The circuit breaker of claim 1, wherein the control instructions comprise: a function setting instruction, an execution mode instruction, wherein,
the function setting instruction includes: an undervoltage start value, a start time, an undervoltage return value, a return time;
the execution mode instruction comprises: normally closed pulse, normally open pulse, normally closed level, normally open level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120340508.1U CN214314548U (en) | 2021-02-05 | 2021-02-05 | Circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120340508.1U CN214314548U (en) | 2021-02-05 | 2021-02-05 | Circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214314548U true CN214314548U (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120340508.1U Active CN214314548U (en) | 2021-02-05 | 2021-02-05 | Circuit breaker |
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| Country | Link |
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| CN (1) | CN214314548U (en) |
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2021
- 2021-02-05 CN CN202120340508.1U patent/CN214314548U/en active Active
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