CN216870742U - Support circuit breaker action number of times collection device of principal and subordinate combination - Google Patents
Support circuit breaker action number of times collection device of principal and subordinate combination Download PDFInfo
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- CN216870742U CN216870742U CN202122293502.6U CN202122293502U CN216870742U CN 216870742 U CN216870742 U CN 216870742U CN 202122293502 U CN202122293502 U CN 202122293502U CN 216870742 U CN216870742 U CN 216870742U
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Abstract
The utility model discloses a collecting device for the action times of a circuit breaker supporting master-slave combination, which comprises: a master module and two slave modules; the main module includes: the first master control unit is respectively connected with the power management unit, the wireless communication unit and the first RS485 communication unit; the slave module comprises: the second main control unit is connected with the second RS485 communication unit; the second master control unit of each slave module is connected with the power management unit, and the second RS485 communication unit of each slave module is connected with the first RS485 communication unit. The master-slave module triple-combination mode can save the installation complexity of a power supply and an antenna, can also reduce the cost, and is favorable for the popularization and the application of the action frequency counter of the circuit breaker.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to a collecting device for the action times of a circuit breaker supporting master-slave combination.
Background
The circuit breaker is the most main control and protection element in the operation of a converter station and a transformer substation, and plays a key role in the safe operation of a power grid. The operation times, the accumulated opening times and the short-circuit current value of the running circuit breaker are important state quantities for evaluating the state of the circuit breaker and are an important basis for the maintenance of the circuit breaker. The operation regulations of the transformer substation are also specified clearly, and production operators must record the action times of each breaker regularly and store the action times as an important operation state quantity.
The existing circuit breaker action frequency counter is arranged in a circuit breaker control cabinet body, and the action frequency of the circuit breaker is displayed and reported in a local display and wireless remote transmission mode. Generally, at least 3 circuit breaker action frequency counters are installed on one control cabinet, and the action frequency counting of A, B, C three-phase circuit breakers is completed respectively. When the three circuit breakers are installed, an external power supply and a communication antenna need to be provided for the three circuit breaker action frequency counters respectively, and the installation difficulty and the workload are large.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a collecting device for the action times of circuit breakers supporting master-slave combination, which aims to solve the problems that an external power supply and a communication antenna need to be respectively provided for a counter of the action times of the circuit breakers of each phase, and the installation difficulty and the workload are high in the prior art.
The embodiment of the utility model discloses the following technical scheme:
a collection device for supporting master-slave combined circuit breaker action times is provided, three phases of the circuit breaker are respectively provided with a counter for collecting the action times of each phase of the circuit breaker, and the collection device comprises: a master module and two slave modules; the main module includes: the wireless communication system comprises a first main control unit, a power management unit, a wireless communication unit and a first RS485 communication unit, wherein the first main control unit is respectively connected with the power management unit, the wireless communication unit and the first RS485 communication unit; the first main control unit is used for being connected with a counter of a first phase of the circuit breaker, the power management unit is used for being connected with an external power supply, and the wireless communication unit is used for being connected with an external antenna; the slave module includes: the second main control unit is connected with the second RS485 communication unit; the second master control unit of one slave module is used for connecting a counter of a second phase of the circuit breaker, and the second master control unit of the other slave module is used for connecting a counter of a third phase of the circuit breaker; the second master control unit of each slave module is connected with the power management unit, and the second RS485 communication unit of each slave module is connected with the first RS485 communication unit.
Further: the second main control unit is connected with the power management unit through a 2pin power connecting wire.
Further: the second RS485 communication unit is connected with the first RS485 communication unit through a 2pin RS485 bus.
Further: the wireless communication unit is connected to the external antenna through an antenna terminal.
Further: the wireless communication unit is a Lora unit, an NB-IoT unit or a 3G/4G/5G unit.
Further: the first main control unit and the second main control unit are both control chips of an integrated MCU.
According to the collecting device supporting the action times of the master-slave combined circuit breaker, the master module and the slave module are communicated through the RS485 bus, the master module realizes remote transmission of the action times of the circuit breaker collected by the counter through the wireless communication unit, and the master module and the slave module are combined in a triple mode, so that the installation complexity of a power supply and an antenna can be saved, the cost can be reduced, and the popularization and application of the action times counter of the circuit breaker are facilitated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a block diagram of a collecting apparatus for supporting the number of circuit breaker operations of a master-slave combination according to an embodiment of the present invention;
fig. 2 is an installation diagram of a collecting device supporting the number of circuit breaker operations of a master-slave combination according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the utility model discloses a collecting device for the action times of a circuit breaker supporting master-slave combination. The three phases of the circuit breaker are respectively provided with a counter for collecting the action times of each phase of the circuit breaker.
The collection device may be disposed within the control cubicle. As shown in fig. 1 and 2, the collecting device includes: a master module 1 and two slave modules 2. The master module 1 and the slave module 2 may be two circuit boards with associated components integrated and their housings.
Specifically, the main module 1 includes: a first main control unit 101, a power management unit 102, a wireless communication unit 103 and a first RS485 communication unit 104. The first main control unit 101 is connected with the power management unit 102, the wireless communication unit 103 and the first RS485 communication unit 104, respectively.
The first main control unit 101 is configured to connect to a counter of a first phase of the circuit breaker, so as to obtain the number of times of actions of the first phase of the circuit breaker collected by the counter.
The power management unit 102 is used for connecting with an external power supply and supplying power through the external power supply. The external power source may be a 110V or 220V dc power source. The power management unit 102 converts the voltage of the external power supply into a power supply voltage required by other respective units inside the main module 1.
The wireless communication unit 103 is used for connecting an external antenna. Specifically, the wireless communication unit 103 is connected to an external antenna through an antenna terminal. The wireless communication unit 103 receives and transmits wireless radio frequency signals through an external antenna. Because the control cabinet is the equipment of all metal enclosed, wireless radio frequency signal can't pierce through, and the accessible mode of punching is installed the antenna head in the external portion of cabinet.
Specifically, the slave module 2 includes: a second master control unit 201 and a second RS485 communication unit 202. The second master control unit 201 is connected with the second RS485 communication unit 202. The second master control unit 201 of the slave module 2 is configured to connect to a counter of the second phase of the circuit breaker, so as to obtain the number of actions of the second phase of the circuit breaker collected by the counter. The second master control unit 201 of the other slave module 2 is used to connect a counter of the third phase of the circuit breaker, so that the action times of the third phase of the circuit breaker collected by the counter can be obtained. It should be understood that the three phases are A, B, C phases, and the first phase, the second phase and the third phase refer to one of the phases, but the first phase is not limited to be the a phase, the second phase is the B phase, and the third phase is the C phase. For example, the first phase may be a B phase, the second phase may be a C phase, and the third phase may be an a phase.
The second master control unit 201 of each slave module 2 is connected to the power management unit 102. Therefore, the power management unit 102 also converts the voltage of the external power supply into the power supply voltage required by each unit inside the slave module 2 to supply the power supply to the slave module 2. Specifically, the second main control unit 201 is connected to the power management unit 102 through a 2pin power connection line, and the 2pin power connection line can transmit a voltage of 5V, so as to provide power for the slave module 2.
The second RS485 communication unit 202 of each slave module 2 is connected with the first RS485 communication unit 104. Specifically, the second RS485 communication unit 202 is connected to the first RS485 communication unit 104 through a 2pin RS485 bus. Therefore, communication can be performed between the master module 1 and the slave module 2, and for example, the slave module 2 can transmit the number of operations collected by its counter to the master module 1.
Preferably, the wireless communication unit 102 is a Lora unit, an NB-IoT unit, or a 3G/4G/5G unit, and a desired communication method can be selected according to actual situations.
Preferably, the first main control Unit 101 and the second main control Unit 201 are both control chips of an integrated MCU (micro controller Unit), and can respectively complete the counting of the action times of the corresponding circuit breaker and the corresponding control function. For example, a chip model number S78S.
When the circuit breaker is used, the main module 1 can be used alone, that is, the first main control unit 101 obtains the number of times of actions of the first phase of the circuit breaker, and the number of times of actions of the first phase can be uploaded to an external device through the wireless communication unit 103.
In use, the master module 1 may also be used in a master-slave combination with at least one slave module 2. The master module 1 can obtain the action times of the corresponding phase of the circuit breaker through the slave module 2 in a periodic polling mode. Specifically, the first main control unit 101 may actively send the polling command to the second main control unit 201 through the first RS485 communication unit 104 and the second RS485 communication unit 201. The second master control unit 201 then sends the number of times of operation of one phase of the circuit breaker corresponding to the slave module 2 to the first master control unit 101 through the second RS485 communication unit 201 and the first RS485 communication unit 104. Further, the slave module 2 may actively report the updated operation frequency to the master module 1 when the operation frequency of the one phase of the breaker corresponding to the slave module 2 changes. Specifically, if the second master control unit 201 finds that the number of times of the operation of the corresponding one phase of the circuit breaker has changed, the changed number of times of the operation of the corresponding one phase of the circuit breaker of the slave module 2 is sent to the first master control unit 101 through the second RS485 communication unit 201 and the first RS485 communication unit 104. The master module 1 reports the number of actions taken by itself and all slave modules 2 connected thereto via the wireless communication unit 103. Because the power supply loops of the opening and closing coils of the three-phase circuit breaker are in the same control cubicle under most conditions, the working mode of combining the three phases of the master module and the slave module only needs to connect an external power supply and an external antenna for transmission to the master module 1, and the complexity of installation work, particularly the complexity of antenna installation, can be reduced to a great extent.
To sum up, the master module and the slave module of the device for collecting the action times of the circuit breaker supporting the master-slave combination of the embodiment of the utility model communicate with each other through the RS485 bus, the master module realizes the remote transmission of the action times of the circuit breaker collected by the counter through the wireless communication unit, and the master module and the slave module are in a three-phase combination mode, so that the installation complexity of a power supply and an antenna can be saved, the cost can be reduced, and the popularization and application of the action time counter of the circuit breaker are facilitated.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides a support master-slave combination's circuit breaker action number of times collection device, the three-phase of circuit breaker respectively is provided with a counter of gathering the every looks action number of times of circuit breaker, its characterized in that, collection device includes: a master module and two slave modules;
the main module includes: the wireless communication system comprises a first main control unit, a power management unit, a wireless communication unit and a first RS485 communication unit, wherein the first main control unit is respectively connected with the power management unit, the wireless communication unit and the first RS485 communication unit; the first main control unit is used for being connected with a counter of a first phase of the circuit breaker, the power management unit is used for being connected with an external power supply, and the wireless communication unit is used for being connected with an external antenna;
the slave module includes: the second main control unit is connected with the second RS485 communication unit; the second master control unit of one slave module is used for connecting a counter of a second phase of the circuit breaker, and the second master control unit of the other slave module is used for connecting a counter of a third phase of the circuit breaker;
the second master control unit of each slave module is connected with the power management unit, and the second RS485 communication unit of each slave module is connected with the first RS485 communication unit.
2. The collection apparatus of the number of circuit breaker actions supporting master-slave combination according to claim 1, wherein: the second main control unit is connected with the power management unit through a 2pin power connecting wire.
3. The collection apparatus of the number of circuit breaker actions supporting master-slave combination according to claim 1, wherein: the second RS485 communication unit is connected with the first RS485 communication unit through a 2pin RS485 bus.
4. The collection apparatus of the number of circuit breaker actions supporting master-slave combination according to claim 1, wherein: the wireless communication unit is connected to the external antenna through an antenna terminal.
5. The collection apparatus of the number of circuit breaker actions supporting master-slave combination according to claim 1, wherein: the wireless communication unit is a Lora unit, an NB-IoT unit or a 3G/4G/5G unit.
6. The collection apparatus of the number of circuit breaker actions supporting master-slave combination according to claim 1, wherein: the first main control unit and the second main control unit are both control chips of an integrated MCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122293502.6U CN216870742U (en) | 2021-09-22 | 2021-09-22 | Support circuit breaker action number of times collection device of principal and subordinate combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122293502.6U CN216870742U (en) | 2021-09-22 | 2021-09-22 | Support circuit breaker action number of times collection device of principal and subordinate combination |
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| Publication Number | Publication Date |
|---|---|
| CN216870742U true CN216870742U (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122293502.6U Active CN216870742U (en) | 2021-09-22 | 2021-09-22 | Support circuit breaker action number of times collection device of principal and subordinate combination |
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| CN (1) | CN216870742U (en) |
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- 2021-09-22 CN CN202122293502.6U patent/CN216870742U/en active Active
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