CN114844954A - Transmission protocol conversion method and device - Google Patents
Transmission protocol conversion method and device Download PDFInfo
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- CN114844954A CN114844954A CN202110055112.7A CN202110055112A CN114844954A CN 114844954 A CN114844954 A CN 114844954A CN 202110055112 A CN202110055112 A CN 202110055112A CN 114844954 A CN114844954 A CN 114844954A
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 42
- 230000005540 biological transmission Effects 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000001816 cooling Methods 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000008520 organization Effects 0.000 claims abstract description 4
- 230000017525 heat dissipation Effects 0.000 claims description 20
- 230000003287 optical effect Effects 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 125000004122 cyclic group Chemical group 0.000 claims description 4
- 230000003993 interaction Effects 0.000 abstract description 5
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 9
- 239000000498 cooling water Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 238000007664 blowing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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Abstract
The invention relates to the technical field of power equipment, in particular to a transmission protocol conversion method, which comprises an upper computer, UDP messages, an Ethernet PHY, an RGMII interface, an FPGA, a channel and a stability control device, wherein the FPGA comprises an MAC controller, a message organization module and an FT3 coding and decoding module, and FT3 messages sent by a plurality of stability control devices are packaged into a UDP message and then sent to the upper computer through a network self-adaptive interface; according to the invention, a plurality of stability control devices are connected with an upper computer, and each module works independently and runs in parallel, so that various FT3 transmission rates can be automatically adapted, thus data conversion between multiple paths of FT3 and UDP is realized, and data interaction between the upper computer and the stability control devices is conveniently realized; utilize the motor to drive fan impeller and blow wind, wind is through the cooling of the inside cold water of cooler bin, just so can reduce the temperature of air, lets microthermal air get into can quick heat absorption behind the inside of shell to reduce the temperature with higher speed.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a transmission protocol conversion method and a transmission protocol conversion device.
Background
FT3 is a link layer transmission frame format specified in the IEC60044-8 electronic current transformer standard, which is laid down by the International Electrotechnical Commission (IEC). In IEC60044-8, an electronic transformer is specified to mainly include two parts, namely, a data FT3 protocol conversion device conversion module on a high-voltage side and a Merging Unit (MU) on a low-voltage side, and FT3 frames are used for data transmission between the two parts. The application of the FT3 in the intelligent substation is mainly embodied in the aspects of interaction between an electronic transformer and a merging unit MU, interaction between the merging unit MU and protection, measurement and control, cascade connection between the merging units and the like. The frame format has the advantages of fixed time delay and capability of carrying out multipoint synchronous data linkage in high-speed data processing.
The communication interface of a stability control device in high-voltage direct current also adopts a frame format of FT3, the FT3 adopts a frame format with fixed length when an intelligent substation is applied, transmission delay is fixed, but only point-to-point transmission is supported, and in power simulation application, a plurality of stability control devices are generally required to be accessed for data acquisition and simulation control, in the interconnection of an upper computer and the stability control devices, protocol conversion is required to be carried out on FT3 transmission, data of the plurality of stability control devices are extracted, most of heat dissipation of the stability control devices depends on a fan inside equipment, most of wind blowing inwards is natural wind, the temperature is higher, further reduction cannot be carried out, and heat dissipation is influenced.
SUMMARY OF THE PATENT FOR INVENTION
The invention aims to provide a transmission protocol conversion method and a transmission protocol conversion device, and solves the problems that point-to-point transmission is only supported, in power simulation application, a plurality of stability control devices are generally required to be connected for data acquisition and simulation control, in the interconnection of an upper computer and the stability control devices, protocol conversion needs to be carried out on FT3 transmission, data of the plurality of stability control devices is extracted, and most of heat dissipation of the transmission protocol conversion device depends on a fan inside equipment, most of wind blowing inwards is natural wind, the temperature is high, the temperature cannot be further reduced, and the heat dissipation is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: a transmission protocol conversion method comprises an upper computer, UDP messages, an Ethernet PHY, an RGMII interface, an FPGA, a channel and a stability control device, wherein the FPGA comprises an MAC controller, a message organization module and an FT3 coding and decoding module, and FT3 messages sent by a plurality of stability control devices are packaged into one UDP message and then sent to the upper computer through a network self-adaptive interface; carrying out UDP unpacking on UDP messages sent by an upper computer, extracting effective information in the UDP messages, dividing the effective information into a plurality of FT3 messages, respectively sending the messages to a plurality of stability control devices, synchronously coding and decoding the plurality of FT3 messages by an FPGA, wherein multiple channels are not interfered with each other and run independently;
after receiving the FT3 message, the FPGA carries out Manchester decoding on the FT3 message, then analyzes the FT3 message according to a protocol and carries out CRC (cyclic redundancy check), effective data in the FT3 message are cached after the effective data pass the check, and when the FPGA communicates with an upper computer, cache data of a plurality of channels are selected according to configuration, and the data are packaged into a UDP (user datagram protocol) packet to be sent to the upper computer;
after receiving the UDP packet sent by the upper computer, the FPGA sends the FT3 effective data to be sent into the sending buffer area of each channel according to the channel number in the data packet, the data in the sending buffer area is sent out by Manchester coding according to the frame format of FT3 according to the sending interval, and when the FPGA does not receive the UDP packet sent by the upper computer any more, the data in the buffer area is sent out circularly according to the last sending interval.
Preferably, the FT3 encoding and decoding module comprises an FT3 encoding module and an FT3 decoding module, and the transmission directions of the FT3 encoding module and the FT3 decoding module are opposite.
Preferably, FT3 transmission and reception is implemented with a standard optical serial device that includes channel 1 optical ports up to channel N optical ports.
Preferably, the sending and receiving of the FT3 message can select different sending and receiving intervals through configuration issued by the upper computer.
Preferably, when the FPGA decodes the FT3 message, the FPGA calculates the pulse width of the received manchester symbol using a high-speed clock, so as to automatically adapt to different FT3 transmission rates.
Preferably, the FPGA encodes FT3 using the same transmission rate as the corresponding receive channel.
The utility model provides a transmission protocol conversion equipment, includes shell and protocol conversion circuit board, the inside at the shell is installed to the protocol conversion circuit board, the thermovent has all been seted up to the both sides of shell, the right side joint of shell has the carriage, the right side fixed mounting of carriage has the motor, the output of motor runs through the left hole of carriage and fixes the cup joint and have had a fan wheel, the right side joint of carriage has the cooler bin, the left middle-end of cooler bin is the indent structure, the motor is located the indent of cooler bin, the inside of cooler bin is run through and is provided with the cooling tube, the left end intercommunication of cooling tube has the connecting pipe, the left end card of connecting pipe go into the hole on carriage right side and with the inside intercommunication of carriage.
Preferably, the top of the cooling box is communicated with a water injection pipe, the bottom of the cooling box is communicated with a drain pipe, and the top end of the water injection pipe and the bottom end of the drain pipe are both in threaded connection with a sealing cover.
Preferably, a heat dissipation plate is clamped in the heat dissipation port on the right side of the shell, and two sides of the heat dissipation plate respectively correspond to the protocol conversion circuit board and the fan wheel.
Preferably, the left side joint of shell has the radiator-grid, the right side bolt of cooler bin has the dustcoat, the left side of dustcoat communicates with the right-hand member of cooling tube, the connection frame passes through thermovent and shell intercommunication.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention utilizes a plurality of stability control devices to connect the upper computer, extracts effective information in the stability control devices, divides the information into a plurality of FT3 messages, ensures that multiple channels do not interfere with each other and run independently, is completed based on FPGA, each module works independently and runs in parallel, and can automatically adapt to various FT3 transmission rates, thereby realizing data conversion between multiple channels of FT3 and UDP and conveniently realizing data interaction between the upper computer and the stability control devices;
2. the fan impeller is driven by the motor to blow air, and the air is cooled by cold water in the cooling box, so that the temperature of the air can be reduced, and the low-temperature air can quickly absorb heat after entering the shell, thereby accelerating the cooling.
Drawings
FIG. 1 is a schematic view of the operation of the inventive structure;
FIG. 2 is a schematic diagram of the receiving process of patent FT3 according to the present invention;
FIG. 3 is a schematic diagram of the transmission process of patent FT3 according to the present invention;
FIG. 4 is a schematic front view of the inventive structure;
FIG. 5 is a schematic view of the connection frame and the cooling box of the present invention.
In the figure: 1. a housing; 2. a protocol conversion circuit board; 3. a heat dissipation port; 4. a connecting frame; 5. a motor; 6. a fan wheel; 7. a cooling tank; 8. a cooling tube; 9. a connecting pipe; 10. a water injection pipe; 11. a drain pipe; 12. a heat dissipation plate; 13. a heat-dissipating mesh; 14. a housing.
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 only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments in the patent of the invention without any inventive work belong to the protection scope of the patent of the invention.
Referring to fig. 1-5, a transmission protocol conversion method includes an upper computer, UDP messages, an ethernet PHY, an RGMII interface, an FPGA, a channel, and a stability control device, where the FPGA includes an MAC controller, a message organization module, and an FT3 encoding and decoding module, and FT3 messages sent by multiple stability control devices are packaged into a UDP message and then sent to the upper computer through a network adaptive interface; carrying out UDP unpacking on UDP messages sent by an upper computer, extracting effective information in the UDP messages, dividing the UDP messages into a plurality of FT3 messages, sending the plurality of FT3 messages to a plurality of stability control devices respectively, carrying out encoding and decoding on the plurality of FT3 messages synchronously by the FPGA, wherein multiple channels are not interfered with each other and run independently;
after receiving the FT3 message, the FPGA carries out Manchester decoding on the FT3 message, then analyzes the FT3 message according to a protocol and carries out CRC (cyclic redundancy check), effective data in the FT3 message are cached after the effective data pass the check, and when the FPGA communicates with an upper computer, cache data of a plurality of channels are selected according to configuration, and the data are packaged into a UDP (user datagram protocol) packet to be sent to the upper computer;
after receiving a UDP packet sent by an upper computer, the FPGA sends FT3 effective data to be sent into a sending buffer area of each channel according to a channel number in the data packet, the data in the sending buffer area is sent out by Manchester coding according to a frame format of FT3 according to sending intervals, when the FPGA does not receive the UDP packet sent by the upper computer any more, the FPGA circularly sends the data in the buffer area according to the sending interval of the last time, a plurality of stability control devices are used for connecting the upper computer, effective information in the stable control devices is extracted and is divided into a plurality of FT3 messages, multiple channels are free from interference and operate independently, the modules work independently based on the FPGA and operate in parallel, and the FPGA can automatically adapt to various FT3 transmission rates, so that data conversion between multiple channels of FT3 and UDP is realized, and data interaction between the upper computer and the stability control devices is convenient to realize.
In this embodiment, the FT3 encoding and decoding module includes an FT3 encoding module and an FT3 decoding module, the FT3 encoding module and the FT3 decoding module have opposite transmitting directions, the FT3 encoding module can encode when transmitting information, so that the next process can process and receive information conveniently, and also receive information of the previous step, the FT3 decoding module can process and receive information transmitted by the previous process conveniently, can decode information, and then transmit the decoded information to the next process.
In this embodiment, FT3 sends and receives and realizes through standard optical serial ports device, and standard optical serial ports device includes passageway 1 optical port, and two processes about can connecting up to passageway N optical port, can ensure the normal operating of process about, makes things convenient for the operation of device.
In this embodiment, the FT3 messages may be sent and received by configuration issued by the upper computer, and different sending and receiving intervals are selected, so that smooth sending and receiving of the messages can be ensured, and information blocking is avoided, thereby affecting the operation of the device.
In this embodiment, when the FPGA decodes the FT3 message, the FPGA calculates the pulse width of the received manchester symbol using the high-speed clock, and automatically adapts to different FT3 transmission rates, so that the FPGA can adapt to different FT3 transmission rates in time, thereby ensuring the operating utilization rate of the apparatus and reducing unnecessary waste.
In this embodiment, when the FPGA codes the FT3, the same transmission rate as that of the corresponding receiving channel is used, so that the same transmission rate as that of the receiving channel can be received, the operating utilization rate of the device is ensured, and unnecessary waste is reduced.
A transmission protocol conversion device comprises a shell 1 and a protocol conversion circuit board 2, wherein the protocol conversion circuit board 2 is arranged inside the shell 1, heat dissipation ports 3 are respectively formed in two sides of the shell 1, a connecting frame 4 is clamped on the right side of the shell 1, a motor 5 is fixedly arranged on the right side of the connecting frame 4, an output end of the motor 5 penetrates through a hole in the left side of the connecting frame 4 and is fixedly sleeved with a fan wheel 6, a cooling box 7 is clamped on the right side of the connecting frame 4, the middle end in the left side of the cooling box 7 is of an inwards concave structure, the motor 5 is positioned in the inwards concave of the cooling box 7, a cooling pipe 8 is arranged inside the cooling box 7 in a penetrating manner, a connecting pipe 9 is communicated with the left end of the cooling pipe 8, the left end of the connecting pipe 9 is clamped into the hole in the right side of the connecting frame 4 and is communicated with the inside of the connecting frame 4, the motor 5 is used for driving the fan wheel 6 to blow air, and the air is cooled by cold water in the cooling box 7, so that the temperature of the air can be reduced, let microthermal air can absorb the heat fast after getting into the inside of shell 1 to the cooling accelerates.
In this embodiment, the top intercommunication of cooler bin 7 has water injection pipe 10, the bottom intercommunication of cooler bin 7 has drain pipe 11, the top of water injection pipe 10 and the equal threaded connection in bottom of drain pipe 11 have sealed lid, water injection pipe 10 can be used for injecting cold water into the inside of cooler bin 7, can utilize the heat of the inside air of cold water absorption cooling tube 8, conveniently dispel the heat, drain pipe 11 can be with the cooling water discharge after the intensification, in time ensure that the inside temperature of cooler bin 7 is lower, thereby guarantee device operation radiating effect.
In this embodiment, the heat dissipation plate 12 is clamped in the heat dissipation port 3 on the right side of the housing 1, two sides of the heat dissipation plate 12 respectively correspond to the protocol conversion circuit board 2 and the fan impeller 6, and the heat dissipation plate 12 can filter cooled air to remove impurities in the air, so that the protocol conversion circuit board 2 is prevented from being influenced by the impurities after the impurities enter the housing 1.
In this embodiment, the left side joint of shell 1 has radiator-grid 13, and the right side bolt of cooler bin 7 has connect dustcoat 14, and the left side of dustcoat 14 and the right-hand member intercommunication of cooling tube 8, connection frame 4 pass through thermovent 3 and shell 1 intercommunication, and left thermovent 3 of shell 1 can be plugged up to radiator-grid 13, can prevent that the impurity in the air from getting into shell 1 when guaranteeing that thermovent 3 is unobstructed.
The working principle is as follows: the device realizes the specific function of protocol conversion, and FT3 messages sent by a plurality of stability control devices are packaged into a UDP message and sent to an upper computer through a hundred mega/kilomega self-adaptive interface; unpacking UDP messages sent by an upper computer, extracting effective information in the UDP messages, dividing the UDP messages into a plurality of FT3 messages, sending the FT3 messages to a plurality of stability control devices respectively, and carrying out encoding and decoding on the FT3 messages by an FPGA synchronously, wherein multiple channels are not interfered with each other and run independently; the FT3 is transmitted and received through a standard optical serial port device; the FT3 message can be sent and received by configuration issued by an upper computer, and different sending and receiving intervals are selected; when the FPGA decodes the FT3 message, the pulse width of the received Manchester code element is calculated by using a high-speed clock, so that the FPGA can automatically adapt to different FT3 transmission rates; when the FPGA encodes the FT3, the transmission rate same as that of a corresponding receiving channel is used; after receiving the FT3 message, the FPGA carries out Manchester decoding on the FT3 message, then analyzes the FT3 message according to a protocol and carries out CRC (cyclic redundancy check), effective data in the FT3 message are cached after the effective data pass the check, and when the FPGA communicates with an upper computer, cache data of a plurality of channels are selected according to configuration, and the data are packaged into a UDP (user datagram protocol) packet to be sent to the upper computer; after receiving the UDP packet sent by the upper computer, the FPGA sends the FT3 effective data to be sent into the sending buffer area of each channel according to the channel number in the data packet, the data in the sending buffer area is sent out by Manchester coding according to the frame format of FT3 according to the sending interval, and when the FPGA does not receive the UDP packet sent by the upper computer any more, the data in the buffer area is sent out circularly according to the last sending interval.
When heat dissipation is needed, cooling water is led into the cooling box 7 through the water injection pipe 10, the motor 5 is started, the motor 5 drives the fan wheel 6 to rotate, the fan wheel 6 which rotates rapidly generates air pressure wind power, air successively passes through the outer cover 14, the cooling pipe 8 and the connecting pipe 9 and is led into the connecting frame 4, the air entering the cooling pipe 8 utilizes the fine cooling pipe 8 to increase the contact surface with the cooling water, the cooling water can begin to absorb heat in the air, the temperature of the air is reduced, the cooled air enters the shell 1 through the connecting frame 4 and the heat dissipation port 3, then the heat generated in the operation process of the protocol conversion circuit board 2 is absorbed, and the air absorbing the heat is discharged through the heat dissipation port 3 on the left side of the shell 1.
Although embodiments of the present patent have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the present patent, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A method of transport protocol conversion, characterized by: the system comprises an upper computer, UDP messages, an Ethernet PHY, RGMII interfaces, an FPGA, channels and a stability control device, wherein the FPGA comprises an MAC controller, a message organization module and an FT3 encoding and decoding module, and FT3 messages sent by a plurality of stability control devices are packed into one UDP message and then sent to the upper computer through a network self-adaptive interface; carrying out UDP unpacking on UDP messages sent by an upper computer, extracting effective information in the UDP messages, dividing the effective information into a plurality of FT3 messages, respectively sending the messages to a plurality of stability control devices, synchronously coding and decoding the plurality of FT3 messages by an FPGA, wherein multiple channels are not interfered with each other and run independently;
after receiving the FT3 message, the FPGA carries out Manchester decoding on the FT3 message, then analyzes the FT3 message according to a protocol and carries out CRC (cyclic redundancy check), effective data in the FT3 message are cached after the effective data pass the check, and when the FPGA communicates with an upper computer, cache data of a plurality of channels are selected according to configuration, and the data are packaged into a UDP (user datagram protocol) packet to be sent to the upper computer;
after receiving the UDP packet sent by the upper computer, the FPGA sends the FT3 effective data to be sent into the sending buffer area of each channel according to the channel number in the data packet, the data in the sending buffer area is sent out by Manchester coding according to the frame format of FT3 according to the sending interval, and when the FPGA does not receive the UDP packet sent by the upper computer any more, the data in the buffer area is sent out circularly according to the last sending interval.
2. A method for transfer protocol conversion according to claim 1, characterized in that: the FT3 encoding and decoding module comprises a FT3 encoding module and a FT3 decoding module, and the transmission directions of the FT3 encoding module and the FT3 decoding module are opposite.
3. A method for transfer protocol conversion according to claim 1, characterized in that: FT3 transmission and reception was achieved through a standard optical serial device that included channel 1 optical ports up to channel N optical ports.
4. A method for transfer protocol conversion according to claim 1, characterized in that: the FT3 message can be sent and received by configuration sent by an upper computer, and different sending and receiving intervals are selected.
5. A method for transfer protocol conversion according to claim 1, characterized in that: when the FPGA decodes the FT3 message, the pulse width of the received Manchester code element is calculated by using a high-speed clock, so that different FT3 transmission rates are automatically adapted.
6. A method for transfer protocol conversion according to claim 1, characterized in that: the FPGA uses the same transmission rate as the corresponding receive channel when encoding FT 3.
7. A transport protocol conversion apparatus, characterized in that: including shell and agreement conversion circuit board, the inside at the shell is installed to the agreement conversion circuit board, the thermovent has all been seted up to the both sides of shell, the right side joint of shell has the carriage, the right side fixed mounting of carriage has the motor, the output of motor runs through the left hole of carriage and the fixed cover has been met and has been had a fan wheel, the right side joint of carriage has the cooler bin, the left middle-end of cooler bin is the indent structure, the motor is located the indent of cooler bin, the inside of cooler bin runs through and is provided with the cooling tube, the left end intercommunication of cooling tube has the connecting pipe, the left end card of connecting pipe go into the hole on carriage right side and with the inside intercommunication of carriage.
8. A transport protocol conversion device according to claim 7, characterized in that: the top intercommunication of cooler bin has the water injection pipe, the bottom intercommunication of cooler bin has the drain pipe, the equal threaded connection in top of water injection pipe and the bottom of drain pipe has sealed lid.
9. A transport protocol conversion device according to claim 7, characterized in that: the heat dissipation plate is clamped in the heat dissipation port on the right side of the shell, and two sides of the heat dissipation plate respectively correspond to the protocol conversion circuit board and the fan impeller.
10. A transport protocol conversion device according to claim 7, characterized in that: the left side joint of shell has the radiator-grid, the right side bolt joint of cooler bin has the dustcoat, the left side of dustcoat and the right-hand member intercommunication of cooling tube, the link passes through thermovent and shell intercommunication.
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| CN202110055112.7A CN114844954B (en) | 2021-01-15 | 2021-01-15 | Transmission protocol conversion method and device |
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| CN202110055112.7A CN114844954B (en) | 2021-01-15 | 2021-01-15 | Transmission protocol conversion method and device |
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| CN102608450A (en) * | 2012-02-24 | 2012-07-25 | 江苏凌创电气自动化股份有限公司 | Testing and verifying system appropriate for intelligent transformer substation and verifying method |
| CN103837854A (en) * | 2014-02-20 | 2014-06-04 | 国家电网公司 | Digital electric energy meter calibration device based on FT3 interface |
| CN105610545A (en) * | 2015-12-21 | 2016-05-25 | 中国西电电气股份有限公司 | FT3 self-adaptive decoding system and method based on FPGA |
| US20200008099A1 (en) * | 2017-03-15 | 2020-01-02 | Huawei Technologies Co., Ltd. | Data transmission method and related device |
| CN210804292U (en) * | 2019-11-25 | 2020-06-19 | 广西千翔科技有限公司 | Big data server that radiating effect is good |
| CN111693923A (en) * | 2020-04-28 | 2020-09-22 | 中国电力科学研究院有限公司 | FT3 protocol analysis device and method for verifying direct-current transformer and merging unit |
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2021
- 2021-01-15 CN CN202110055112.7A patent/CN114844954B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102608450A (en) * | 2012-02-24 | 2012-07-25 | 江苏凌创电气自动化股份有限公司 | Testing and verifying system appropriate for intelligent transformer substation and verifying method |
| CN103837854A (en) * | 2014-02-20 | 2014-06-04 | 国家电网公司 | Digital electric energy meter calibration device based on FT3 interface |
| CN105610545A (en) * | 2015-12-21 | 2016-05-25 | 中国西电电气股份有限公司 | FT3 self-adaptive decoding system and method based on FPGA |
| US20200008099A1 (en) * | 2017-03-15 | 2020-01-02 | Huawei Technologies Co., Ltd. | Data transmission method and related device |
| CN210804292U (en) * | 2019-11-25 | 2020-06-19 | 广西千翔科技有限公司 | Big data server that radiating effect is good |
| CN111693923A (en) * | 2020-04-28 | 2020-09-22 | 中国电力科学研究院有限公司 | FT3 protocol analysis device and method for verifying direct-current transformer and merging unit |
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