CN214312982U - High-precision tripping control device and circuit breaker - Google Patents
High-precision tripping control device and circuit breaker Download PDFInfo
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- CN214312982U CN214312982U CN202120286312.9U CN202120286312U CN214312982U CN 214312982 U CN214312982 U CN 214312982U CN 202120286312 U CN202120286312 U CN 202120286312U CN 214312982 U CN214312982 U CN 214312982U
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Abstract
The utility model discloses a high-precision tripping control device and a circuit breaker, wherein the high-precision tripping control device comprises a signal acquisition module, a main control module, a driving module and a power module, wherein the signal acquisition module is used for acquiring and conditioning current signals in a loop; the main control module is connected with the signal acquisition module; the driving module is connected with the main control module and comprises a driving interface and a driving part, the driving interface is connected with the driving part, and the driving part is used for executing tripping action; the power module is respectively connected with the signal acquisition module, the main control module and the driving module, so that the execution of tripping action is controlled more accurately, and the current breaking precision of the circuit breaker is improved.
Description
Technical Field
The utility model relates to a circuit breaker technical field, in particular to dropout controlling means and circuit breaker of high accuracy.
Background
The circuit breaker is used as a main control electric appliance widely used in a power supply and distribution system, except for normal on-off of rated current of a relevant system, the circuit breaker can quickly, selectively and reliably break short-circuit fault current of the relevant system when the relevant system has a fault, and cannot generate override tripping or refusing action.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a tripping control device and circuit breaker of high accuracy, the execution of accurate control dropout action improves the cutout precision of circuit breaker more.
In a first aspect, an embodiment of the present invention provides a high-precision tripping control device, which includes a signal acquisition module, a main control module, a driving module, and a power module, where the signal acquisition module is used to acquire and condition a current signal in a loop; the main control module is connected with the signal acquisition module; the driving module is connected with the main control module and comprises a driving interface and a driving part, the driving interface is connected with the driving part, and the driving part is used for executing tripping action; the power module is respectively connected with the signal acquisition module, the main control module and the driving module.
According to the utility model provides a pair of dropout control device of high accuracy has following beneficial effect at least: the high-precision tripping control device comprises a signal acquisition module, a main control module, a driving module and a power supply module, wherein the signal acquisition module acquires current signals in a loop and conditions and amplifies the current signals, the main control module is connected with the signal acquisition module, the power supply module is respectively connected with the signal acquisition module, the main control module and the driving module, the power supply module provides working power for each module to ensure the normal working state, the driving module is connected with the main control module, the main control module receives the current signals from the signal acquisition module and outputs the signals to the driving module, the driving module comprises a driving interface and a driving part, when various faults occur in the main loop, the main control module outputs tripping signals through the driving interface after operation judgment and comparison, the driving interface is connected with the driving part, so that the driving part executes tripping action, thereby realizing the tripping and power failure of a fault circuit, the execution of the tripping action can be controlled more accurately, the current breaking precision is favorably improved, and the normal operation of the system is ensured.
According to some embodiments of the utility model, still include the potentiometre, the potentiometre with master control module connects. The high-precision tripping control device further comprises a potentiometer, the potentiometer is connected with the main control module, and the tripping current can be adjusted through the potentiometer, so that the current parameter is more accurate and reliable, and the breaking precision of the circuit breaker is improved.
According to the utility model discloses a some embodiments still include data input module, data input module with host system connects, data input module includes keyboard and encoder, data input module is used for the input to trigger the settlement numerical value of dropout action. The data input module comprises a keyboard and an encoder, the data input module is connected with the main control module, the action current and the action time value for starting the protection function are preset on the keyboard and the encoder, when a fault occurs in the loop, if the fault current and the voltage reach or exceed the set values, the main control module outputs a tripping signal to the driving module through operation comparison, if a plurality of sampling points in the loop are judged to exceed the preset threshold values, the circuit breaker trips to cut off a fault circuit, and the normal work of the protection system is realized.
According to some embodiments of the present invention, the main control module includes a storage unit, and the storage unit is used for storing the setting value. The main control module comprises a storage unit, a set numerical value of the trigger protection function is input through the data input module, the set numerical value is conveyed to the storage unit to be stored, the preset numerical value can be called to carry out operation judgment when a loop breaks down, the execution of tripping action is controlled more accurately, and a fault circuit is cut off in time.
According to some embodiments of the present invention, the master control module includes a master control chip, the model of the master control chip is Msp430f 167. The main control chip adopts Msp430f167, can carry out signal processing and intelligent control in real time, improves the working efficiency of the main control module, and effectively reduces the power consumption.
According to some embodiments of the invention, the drive member is an electrically operated mechanism. The driving part is connected with the driving interface, and the electric operating mechanism executes tripping action through a tripping signal received by the driving interface, so that a fault circuit can be tripped and powered off in time, and the normal work of the system is protected.
According to some embodiments of the invention, the power module comprises a self-generating power source. The self-generating power supply can provide power for the circuit breaker by utilizing current in the loop, and the power supply does not need to be added, so that electric energy can be better utilized, and more energy is saved.
According to some embodiments of the utility model, still include interface module, interface module with host system connects, interface module includes communication interface and maintenance interface. The interface module comprises a communication interface and a maintenance interface, the interface module is connected with the main control module, data interaction can be carried out in real time through the communication interface, the action current value and the action time value are adjusted in time, and equipment is convenient to maintain and debug through the maintenance interface.
According to some embodiments of the utility model, communication interface is the data interface of RS485 form, host system passes through data interface and external communication. By arranging the data interface in the form of RS485, the system can communicate with an upper computer, realize the four-remote function, record and inquire the phase sequence, the reason, the tripping time and other detailed data causing tripping, effectively reduce the operation and maintenance cost and shorten the fault handling time.
In a second aspect, an embodiment of the present invention provides a circuit breaker, including the trip control device with high precision as described in the first aspect.
According to the utility model provides a pair of circuit breaker has following beneficial effect at least: the circuit breaker comprises the high-precision tripping control device of the first aspect, the high-precision tripping control device comprises a signal acquisition module, a main control module, a driving module and a power module, the signal acquisition module acquires current signals in a loop and conditions and amplifies the current signals, the main control module is connected with the signal acquisition module, the power module is respectively connected with the signal acquisition module, the main control module and the driving module, the power module provides working power for each module through the power module to ensure normal working state, the driving module is connected with the main control module, the main control module receives the current signals from the signal acquisition module and outputs the signals to the driving module, the driving module comprises a driving interface and a driving part, when various faults occur in the main loop, the main control module judges and compares the current signals, the tripping signals are output through the driving interface, and the driving interface is connected with the driving part, the driving component is enabled to execute tripping action, so that tripping and power-off of a fault circuit are realized, the execution of the tripping action can be controlled more accurately, the current-breaking precision of a current breaker is improved, and the normal operation of a system is guaranteed.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Additional aspects and advantages of the present invention will become apparent from and will be readily appreciated by reference to the following description of the embodiments taken in conjunction with the accompanying drawings,
wherein:
fig. 1 is a block diagram of a hardware module of a high-precision trip control device according to an embodiment of the first aspect of the present invention;
fig. 2 is a block diagram of hardware modules of a high precision trip control apparatus according to some embodiments of the first aspect of the present invention;
fig. 3 is a block diagram of hardware modules of a high-precision trip control apparatus according to some embodiments of the first aspect of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1, a first embodiment of the present invention provides a high-precision trip control device 100, which includes a signal acquisition module 110, a main control module 120, a driving module 130, and a power module 140, where the signal acquisition module 110 is used to acquire and condition a current signal in a loop; the main control module 120 is connected with the signal acquisition module 110; the driving module 130 is connected to the main control module 120, the driving module 130 includes a driving interface 131 and a driving unit 132, the driving interface 131 is connected to the driving unit 132, and the driving unit 132 is configured to perform a tripping operation; the power module 140 is connected to the signal acquisition module 110, the main control module 120 and the driving module 130, respectively.
The high-precision trip control device 100 comprises a signal acquisition module 110, a main control module 120, a driving module 130 and a power module 140, wherein the signal acquisition module 110 acquires current signals in a loop and performs conditioning and amplification, the main control module 120 is connected with the signal acquisition module 110, the power module 140 is respectively connected with the signal acquisition module 110, the main control module 120 and the driving module 130, the power module 140 provides working power for each module to ensure a normal working state, the driving module 130 is connected with the main control module 120, the main control module 120 receives the current signals from the signal acquisition module 110 and outputs signals to the driving module 130, the driving module 130 comprises a driving interface 131 and a driving part 132, when various faults occur in the main loop, the main control module 120 performs operation judgment and comparison, outputs trip signals through the driving interface 131, and the driving interface 131 is connected with the driving part 132, the driving part 132 is enabled to execute tripping action, so that tripping and power-off of a fault circuit are realized, the execution of the tripping action can be controlled more accurately, the current-breaking precision is improved, and the normal operation of the system is guaranteed.
As shown in fig. 2, according to some embodiments of the present invention, the device further includes a potentiometer 150, and the potentiometer 150 is connected to the main control module 120. The high-precision trip control device 100 further comprises a potentiometer 150, the potentiometer 150 is connected with the main control module 120, and the magnitude of the trip current can be adjusted through the potentiometer 150, so that the current parameter is more accurate and reliable, and the current breaking precision of the circuit breaker can be improved.
As shown in fig. 2, according to some embodiments of the present invention, the power supply further includes a data input module 160, the data input module 160 is connected to the main control module 120, the data input module 160 includes a keyboard and an encoder, and the data input module 160 is used for inputting a set value for triggering the tripping operation. The data input module 160 includes a keyboard and an encoder, the data input module 160 is connected with the main control module 120, through presetting the action current and action time value for starting the protection function at the keyboard and the encoder, when a fault occurs in the circuit, if the fault current and the voltage reach or exceed the set values, the main control module 120 compares the fault current and the voltage through operation, if a plurality of sampling points in the circuit are judged to exceed the preset threshold values, a tripping signal is output to the driving module 130, so that the breaker trips to cut off the fault circuit, and the normal work of the protection system is realized.
As shown in fig. 2, according to some embodiments of the present invention, the main control module 120 includes a storage unit 121, and the storage unit 121 is used for storing a setting value. The main control module 120 includes a storage unit 121, inputs a set value for triggering the protection function through the data input module 160, and transmits the set value to the storage unit 121 for storage, and when a loop fails, a preset value can be called for operation and judgment, so as to more accurately control the execution of the tripping action and timely cut off the fault circuit.
According to some embodiments of the present invention, the main control module 120 includes a main control chip, and the model of the main control chip is Msp430f 167. The main control chip adopts Msp430f167, can perform signal processing and intelligent control in real time, improve the working efficiency of the main control module 120, and effectively reduce power consumption.
According to some embodiments of the present invention, the driving member 132 is an electric operating mechanism. The driving part 132 is connected with the driving interface 131, and the tripping signal received by the driving interface 131 enables the electric operating mechanism to execute a tripping action, so that the fault circuit can be tripped and powered off in time to protect the normal operation of the system.
According to some embodiments of the invention, the power module 140 comprises a self-generating power source. The self-generating power supply can provide power for the circuit breaker by utilizing current in the loop, and the power supply does not need to be added, so that electric energy can be better utilized, and more energy is saved.
As shown in fig. 3, according to some embodiments of the present invention, the system further includes an interface module 170, the interface module 170 is connected to the main control module 120, and the interface module 170 includes a communication interface 171 and a maintenance interface 172. The interface module 170 includes a communication interface 171 and a maintenance interface 172, the interface module 170 is connected to the main control module 120, and data interaction can be performed in real time by setting the communication interface 171, so as to adjust an action current value and an action time value in time, and the maintenance interface 172 is arranged to facilitate maintenance and debugging of the device.
According to some embodiments of the present invention, the communication interface 171 is a data interface in the form of RS485, and the main control module 120 communicates with the outside through the data interface. By arranging the data interface in the form of RS485, the system can communicate with an upper computer, realize the four-remote function, record and inquire the phase sequence, the reason, the tripping time and other detailed data causing tripping, effectively reduce the operation and maintenance cost and shorten the fault handling time.
Furthermore, the communication interface 171 can also be a USB communication data interface for real-time data interaction, and the RS485 and USB communication data interfaces are provided, so that remote and local communication can be realized, and the reliability of power utilization is effectively improved.
An embodiment of the second aspect of the present invention provides a circuit breaker, including the trip control device 100 of the above first aspect.
As shown in fig. 1, the circuit breaker includes the high-precision trip control device 100 according to the first aspect, the high-precision trip control device 100 includes a signal acquisition module 110, a main control module 120, a driving module 130, and a power module 140, the signal acquisition module 110 acquires current signals in a loop and performs conditioning and amplification, the main control module 120 is connected to the signal acquisition module 110, the power module 140 is respectively connected to the signal acquisition module 110, the main control module 120, and the driving module 130, and the power module 140 provides working power to each module to ensure a normal working state, the driving module 130 is connected to the main control module 120, the main control module 120 receives the current signals from the signal acquisition module 110 and outputs signals to the driving module 130, the driving module 130 includes a driving interface 131 and a driving component 132, when various faults occur in the main loop, the main control module 120 performs operation, judgment and comparison, the tripping signal is output through the driving interface 131, the driving interface 131 is connected with the driving part 132, the driving part 132 executes the tripping action, the tripping and power failure of a fault circuit are realized, the execution of the tripping action can be controlled more accurately, the current breaking precision of a current breaker is improved, and the normal operation of a system is guaranteed.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge scope of those skilled in the art.
Claims (10)
1. The utility model provides a trip control device of high accuracy, is applied to the circuit breaker which characterized in that includes:
the signal acquisition module is used for acquiring and conditioning current signals in the loop;
the main control module is connected with the signal acquisition module;
the driving module is connected with the main control module and comprises a driving interface and a driving part, the driving interface is connected with the driving part, and the driving part is used for executing tripping action;
and the power supply module is respectively connected with the signal acquisition module, the main control module and the driving module.
2. The high precision trip control device of claim 1 further comprising a potentiometer, wherein the potentiometer is connected to the master control module.
3. The high-precision trip control device according to claim 1, further comprising a data input module, wherein the data input module is connected to the main control module, the data input module comprises a keyboard and an encoder, and the data input module is used for inputting a set value for triggering a trip action.
4. The high precision trip control device according to claim 3 wherein said master control module comprises a memory unit for storing said set value.
5. The high-precision trip control device according to claim 1, wherein the master control module comprises a master control chip, and the model of the master control chip is Msp430f 167.
6. The high precision trip control of claim 1, wherein said drive member is an electrically operated mechanism.
7. The high precision trip control of claim 1, wherein said power module comprises a self-generated power supply.
8. The high precision trip control device according to claim 1 further comprising an interface module, said interface module being connected to said master control module, said interface module comprising a communication interface and a maintenance interface.
9. The high-precision trip control device according to claim 8, wherein the communication interface is a data interface in the form of RS485, and the main control module communicates with the outside through the data interface.
10. A circuit breaker comprising a high precision trip control apparatus as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120286312.9U CN214312982U (en) | 2021-02-01 | 2021-02-01 | High-precision tripping control device and circuit breaker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120286312.9U CN214312982U (en) | 2021-02-01 | 2021-02-01 | High-precision tripping control device and circuit breaker |
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| Publication Number | Publication Date |
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| CN214312982U true CN214312982U (en) | 2021-09-28 |
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| CN202120286312.9U Active CN214312982U (en) | 2021-02-01 | 2021-02-01 | High-precision tripping control device and circuit breaker |
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- 2021-02-01 CN CN202120286312.9U patent/CN214312982U/en active Active
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