CN210380892U - Power process control device based on GOOSE - Google Patents
Power process control device based on GOOSE Download PDFInfo
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- CN210380892U CN210380892U CN201921743978.1U CN201921743978U CN210380892U CN 210380892 U CN210380892 U CN 210380892U CN 201921743978 U CN201921743978 U CN 201921743978U CN 210380892 U CN210380892 U CN 210380892U
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Abstract
The utility model discloses a GOOSE-based electric power process control device, which comprises a frame body, a power module and a communication module which are arranged in the frame body, and a plurality of functional modules CAN be configured, wherein the frame body is provided with a back plate, and the back plate is provided with a power line and a double CAN bus; the power supply module supplies power to the communication module and the functional module through a power line of the backboard, and the communication module is in communication connection with the functional module through a double CAN bus; the communication module is used for receiving an Ethernet GOOSE downlink message and analyzing the Ethernet GOOSE downlink message into a control command; and the CAN bus interface is used for receiving CAN bus data output by the functional module, summarizing the CAN bus data and forming an Ethernet GOOSE uplink message. The device can flexibly configure the types and the number of the functional modules, realize data acquisition and management of secondary equipment of different types and different numbers, is convenient to use, and is accessed into the power relay protection monitoring system through Ethernet GOOSE communication to realize unified management.
Description
Technical Field
The utility model relates to a power equipment communication field especially relates to an electric power process control device based on GOOSE.
Background
The transformer substation is toward data ization and intelligent development, and the collection of power equipment running state is used and is controlled also more and more in the transformer substation, requires that secondary equipment can plug and play, if: the method comprises the following steps of measuring the bus temperature of a switch cabinet, the contact arm temperature of a breaker, the temperature of a lightning arrester, insulation monitoring, GIS micro water, the oil temperature of a transformer and the like. According to the traditional method, a communication concentrator collects data of all measurement modules and then forwards the data to a main station system, and the monitoring system and a GOOSE-based power relay protection monitoring system have repeated investment.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defects in the prior art, the present invention aims to provide an electric power process control device based on GOOSE, which can collect and manage the data of secondary equipment (measuring equipment) and integrate the data into the existing electric power relay protection monitoring system through GOOSE communication over ethernet.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a GOOSE-based power process control device comprises a frame body, a power supply module and a communication module which are arranged in the frame body, and a plurality of functional modules can be configured,
the communication module comprises a controller, a double CAN bus interface and an Ethernet interface, and is used for receiving an Ethernet GOOSE downlink message and analyzing the Ethernet GOOSE downlink message into a control command; the CAN bus data receiving module is used for receiving the CAN bus data of the uplink of each functional module, summarizing the CAN bus data and forming an Ethernet GOOSE uplink message;
the function module comprises a controller, a double CAN bus interface and an external equipment interface, and is used for acquiring the state of external electric equipment or controlling the external electric equipment;
the frame body is provided with a back plate, the power module supplies power to the communication module and the functional module through the back plate, and the communication module is in communication connection with the functional module through a double CAN bus of the back plate.
Furthermore, the communication module and the function module both comprise synchronous interfaces, the synchronous interfaces of the communication module and the function module are connected, and the function module and the communication module realize time synchronization through the synchronous interfaces.
Further, the communication module and the function module both include a daisy chain input interface and a daisy chain output interface, the communication module is used as a first module, the communication module is connected with each function module by a hand, and the hand connection means that the daisy chain output interface of the previous module is connected with the daisy chain input interface of the next module.
Furthermore, the functional module comprises an out-contact module, an in-contact module and an analog quantity acquisition module.
Furthermore, an external device interface of the out-contact module is a first switching value processing circuit, and the out-contact module is used for executing a control command sent by the communication module and controlling the switching-on/off state of the connected external device through the first switching value processing circuit.
Furthermore, an external device interface of the switching-in contact module is a second switching value processing circuit, and the switching-in contact module collects the switching-on/off state of the connected external device through the second switching value processing circuit and outputs the switching-on/off state information of the external device through the dual CAN bus.
Furthermore, the external equipment interface of the analog quantity acquisition module comprises an ADC analog-to-digital conversion circuit and an analog quantity front-end circuit, the analog quantity acquisition module carries out gating amplification on analog quantity signals through the analog quantity front-end circuit, outputs analog quantity signal values through the ADC analog-to-digital conversion circuit and outputs analog quantity signal values through the double CAN bus.
Furthermore, the analog quantity acquisition module comprises a voltage acquisition module, a current acquisition module and a temperature acquisition module.
Further, the current collection module is one of a 0-20mA conversion module, a +/-20 mA conversion module or a 4-20mA conversion module.
Further, the voltage acquisition module is one of a 0-150mV conversion module, a 0-500mV conversion module, a 0-1.5V conversion module or a 0-5V conversion module.
The utility model discloses an electric power process control device sampling modular structure and two CAN bus modes based on GOOSE CAN dispose functional module kind and quantity in a flexible way, realize data acquisition and management to different grade type, the secondary equipment of different quantity (for example: cubical switchboard generating line temperature, circuit breaker contact arm temperature, arrester temperature, insulation monitoring, GIS little water, transformer oil temperature and so on measuring equipment), facilitate the use to through the communication access electric power relay protection monitoring system of Ethernet GOOSE, realize unified management.
Drawings
Fig. 1 is a block diagram of system modules of an embodiment of the present invention;
fig. 2 is a circuit block diagram of a communication module according to an embodiment of the present invention;
fig. 3 is a circuit block diagram of an ingress/egress node module according to an embodiment of the present invention;
fig. 4 is a circuit block diagram of an analog acquisition module according to an embodiment of the present invention;
fig. 5 is a schematic diagram of the present invention applied to a power relay protection monitoring system alone;
fig. 6 is a schematic diagram of the application of the present invention in the station layer of the power relay protection monitoring system;
fig. 7 is a schematic diagram of the utility model applied to the spacer layer of the power relay protection monitoring system.
Detailed Description
To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.
The present invention will now be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the utility model discloses an embodiment of electric power process control device based on GOOSE, including framework, power module 10, communication module 20 to can dispose a plurality of functional modules, the kind of functional module is including opening access point module 30, opening access point module 40, temperature acquisition module 50, conversion module 60 etc.. A back plate for electrically connecting the modules is arranged in the frame body, and a double CAN bus 70 is arranged on the back plate; the communication module 20 is provided with a microcontroller, a dual CAN bus interface and an ethernet interface, the communication module 20 is connected to the ethernet 80 through the ethernet interface, receives the ethernet GOOSE downlink message, and analyzes the ethernet GOOSE downlink message into a control command; receiving CAN bus data output by the switching-on and switching-off contact module 30, the temperature acquisition module 50 and the conversion module 60 through a double CAN bus 70, summarizing the CAN bus data and forming an Ethernet GOOSE uplink message; the open-out contact module 40, the open-in contact module 30, the temperature acquisition module 50 and the conversion module 60 are all provided with double CAN bus interfaces and microcontrollers, and are connected with the communication module 20 through double CAN buses; the open contact module 40 receives and executes the control command sent by the communication module 20 through the dual CAN bus 70 to control the on/off state of the connected external device; the on-off contact module 30 senses the on-off state of the connected external device and outputs on-off state information through the dual CAN bus 70; the temperature acquisition module 50 is connected with a temperature sensor and outputs temperature value information of the temperature value acquired by the temperature sensor through the dual CAN bus 70; the conversion module 60 is externally connected with an analog sensor, and outputs voltage or current signals to the conversion module 60 according to analog signals acquired by the analog sensor, and the conversion module 60 converts the voltage and current signals into digital information, gives a voltage value or a current value, and outputs the digital information through the dual-CAN bus 70; the power module 10 is externally connected with an alternating current or direct current power supply and provides working power for the communication module, the outgoing contact module, the incoming contact module, the temperature acquisition module and the conversion module through a back plate; the operating supply voltage of the output of the power module 10 includes +5V and ± 12V. In other embodiments, the working power supply voltage includes one of a low-voltage +5V power supply or a 3.3V power supply and one of a high-voltage +12V power supply or a ± 12V power supply or a +24V power supply, where the +12V power supply or the ± 12V power supply or the +24V power supply is used for supplying power to devices such as a CAN bus interface chip and a relay, and the +5V power supply or the 3.3V power supply is used for supplying power to devices such as a microcontroller of the module, and the stable operation of the module and the timely fault finding CAN be more effectively ensured by adopting the dual power supply.
Fig. 2 is a circuit block diagram of the communication module of this embodiment, which includes a controller CPU, a real-time clock RTC, a power supply, a memory, a CAN transceiver, a synchronization interface, a daisy chain input interface, a daisy chain output interface, and an ethernet interface, where the communication module supports GOOSE communication with an external system through the ethernet interface, performs internal and external communication information exchange, and operates according to a predefined communication rule, and simultaneously, the communication module supports the SNTP network time synchronization technology to provide time synchronization for the entire system, and simultaneously, the communication module sends a synchronization signal to each function module through the synchronization interface, so as to implement time synchronization between the communication module and each function module.
Fig. 3 is a circuit block diagram of the open contact module/open contact module according to the present embodiment, which includes a controller, a power supply, a real-time clock, a CAN transceiver, a synchronization interface, a daisy-chain input interface, a daisy-chain output interface, and a switching value processing circuit. The difference between the switch-in contact module and the switch-out contact module lies in the difference of the switching value processing circuit, the switch-in contact module is used for collecting the switching value input of the external equipment, such as the on-off state of the external equipment, and the switch-out contact module is used for providing the switching value output to control the external equipment, such as the on-off control of the external equipment.
Fig. 4 shows an analog acquisition module of this embodiment, which includes a controller, a power supply, a real-time clock, a CAN transceiver, a synchronous interface, a daisy chain input interface, a daisy chain output interface, an ADC analog-to-digital conversion circuit, and an AFEA analog front-end circuit. In this embodiment, the analog quantity acquisition module includes a temperature acquisition module 50 and a conversion module 60, and the analog quantity acquisition module is configured to acquire an external analog quantity, uplink the acquired analog quantity signal to the communication module through the CAN communication bus, and uplink the analog quantity signal to the superior control system through the communication module.
The conversion module 60 is externally connected with an analog sensor, converts analog signals acquired by the analog sensor, such as electromagnetic signals of voltage and current, into digital information, and the conversion module 60 can be a current acquisition module, such as a 0-20mA conversion module, a +/-20 mA conversion module, or a 4-20mA conversion module, or other specifications which represent the range of current allowed to be input; the conversion module 60 may also be a voltage acquisition module, such as a 0-150mV conversion module, a 0-500mV conversion module, or a 0-1.5V conversion module, or a 0-5V conversion module, or other specification that represents the range of voltages that are allowed to be input.
The temperature acquisition module 50 may be one of the current conversion modules, or may be a custom temperature acquisition module. In the electric power measurement field, temperature sensor adopts resistance temperature sensor (RTD) usually, obtains real-time temperature value through the electric current that detects through the RTD, for guaranteeing temperature acquisition module 50's temperature acquisition precision, adopts dedicated temperature acquisition circuit to carry out real-time temperature acquisition usually.
Fig. 5, fig. 6 and fig. 7 show different networking applications of the device applied to a power relay protection monitoring system. In fig. 5, two devices may not communicate with each other through the upper management device; FIG. 6 is the application of the device in the substation layer, and the device directly communicates with the background of the substation through the GOOSE; fig. 7 shows that the present apparatus is applied to a spacer layer, and the present apparatus is used as an extended IO cell of the spacer layer to connect with a process layer device.
The utility model discloses an electric power process control device based on GOOSE adopts modular structure and two CAN bus modes, CAN dispose the kind and the quantity of functional module in a flexible way, realizes data acquisition and management to different grade type, the secondary equipment of different quantity (for example: cubical switchboard generating line temperature, circuit breaker contact arm temperature, arrester temperature, insulation monitoring, GIS little water, transformer oil temperature and so on measuring equipment), facilitates the use to through the communication access electric power relay protection monitoring system of ethernet GOOSE, realize unified management.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A GOOSE-based power process control device is characterized by comprising a frame body, a power supply module and a communication module which are arranged in the frame body, and a plurality of functional modules can be configured,
the communication module comprises a controller, a double CAN bus interface and an Ethernet interface, and is used for receiving an Ethernet GOOSE downlink message and analyzing the Ethernet GOOSE downlink message into a control command; the CAN bus data receiving module is used for receiving the CAN bus data of the uplink of each functional module, summarizing the CAN bus data and forming an Ethernet GOOSE uplink message;
the function module comprises a controller, a double CAN bus interface and an external equipment interface, and is used for acquiring the state of external electric equipment or controlling the external electric equipment;
the frame body is provided with a back plate, the power module supplies power to the communication module and the functional module through the back plate, and the communication module is in communication connection with the functional module through a double CAN bus of the back plate.
2. A GOOSE-based electrical process control device as claimed in claim 1, wherein: the communication module and the function module comprise synchronous interfaces, the communication module is connected with the synchronous interfaces of the function module, and the function module and the communication module realize time synchronization through the synchronous interfaces.
3. A GOOSE-based electrical process control device as claimed in claim 1, wherein: the communication module and the function module respectively comprise a daisy chain input interface and a daisy chain output interface, the communication module is used as a first module, the communication module is connected with each function module by a hand, and the hand-pulling connection refers to the connection of the daisy chain output interface of the previous module and the daisy chain input interface of the next module.
4. A GOOSE-based electrical process control device as claimed in claim 1, wherein: the function module comprises an out-contact module, an in-contact module and an analog quantity acquisition module.
5. A GOOSE-based electrical process control apparatus as claimed in claim 4, wherein: the external equipment interface of the out-contact module is a first switching value processing circuit, the out-contact module is used for executing the control command sent by the communication module, and the on-off state of the connected external equipment is controlled through the first switching value processing circuit.
6. A GOOSE-based electrical process control apparatus as claimed in claim 4, wherein: and the external equipment interface of the switching-on and switching-off contact module is a second switching value processing circuit, and the switching-on and switching-off state of the connected external equipment is acquired by the switching-on and switching-off contact module through the second switching value processing circuit, and the switching-on and switching-off state information of the external equipment is output through the double CAN bus.
7. A GOOSE-based electrical process control apparatus as claimed in claim 4, wherein: the external equipment interface of the analog quantity acquisition module comprises an ADC analog-to-digital conversion circuit and an analog quantity front-end circuit, the analog quantity acquisition module carries out gating amplification on analog quantity signals through the analog quantity front-end circuit, outputs analog quantity signal numerical values through the ADC analog-to-digital conversion circuit and outputs the analog quantity signal numerical values through the double CAN buses.
8. A GOOSE-based electrical process control device as claimed in claim 7, wherein: the analog quantity acquisition module comprises a voltage acquisition module, a current acquisition module and a temperature acquisition module.
9. A GOOSE-based electrical process control device as claimed in claim 8, wherein: the current acquisition module is one of a 0-20mA conversion module, a +/-20 mA conversion module or a 4-20mA conversion module.
10. A GOOSE-based electrical process control device as claimed in claim 8, wherein: the voltage acquisition module is one of a 0-150mV conversion module, a 0-500mV conversion module, a 0-1.5V conversion module or a 0-5V conversion module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921743978.1U CN210380892U (en) | 2019-10-17 | 2019-10-17 | Power process control device based on GOOSE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921743978.1U CN210380892U (en) | 2019-10-17 | 2019-10-17 | Power process control device based on GOOSE |
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| Publication Number | Publication Date |
|---|---|
| CN210380892U true CN210380892U (en) | 2020-04-21 |
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| CN201921743978.1U Active CN210380892U (en) | 2019-10-17 | 2019-10-17 | Power process control device based on GOOSE |
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- 2019-10-17 CN CN201921743978.1U patent/CN210380892U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A power process control device based on Goose Effective date of registration: 20210531 Granted publication date: 20200421 Pledgee: Bank of China Limited by Share Ltd. Xiamen branch Pledgor: XIAMEN GREATER ELECTRIC AUTOMATION Co.,Ltd. Registration number: Y2021980004190 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220711 Granted publication date: 20200421 Pledgee: Bank of China Limited by Share Ltd. Xiamen branch Pledgor: XIAMEN GREATER ELECTRIC AUTOMATION Co.,Ltd. Registration number: Y2021980004190 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of power process control device based on Goose Effective date of registration: 20220713 Granted publication date: 20200421 Pledgee: Bank of China Limited by Share Ltd. Xiamen branch Pledgor: XIAMEN GREATER ELECTRIC AUTOMATION Co.,Ltd. Registration number: Y2022110000155 |