CN211237110U - Electrified information acquisition device of power equipment - Google Patents
Electrified information acquisition device of power equipment Download PDFInfo
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- CN211237110U CN211237110U CN202020088687.XU CN202020088687U CN211237110U CN 211237110 U CN211237110 U CN 211237110U CN 202020088687 U CN202020088687 U CN 202020088687U CN 211237110 U CN211237110 U CN 211237110U
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Abstract
The utility model discloses an electrified information acquisition device of power equipment, include: casing, main control board, interface panel, collection board, protocol converter and power. Wherein the main control board is arranged in the shell and used for controlling the whole device to work. The interface panel is arranged on the shell and comprises an information input interface group, an information output interface group, a power interface and a communication interface group. The acquisition board is arranged in the shell, is electrically connected with the main control board, and is electrically connected with the information input interface group and the information output interface group on the interface panel. The protocol converter is arranged in the shell, is electrically connected with the main control panel and is electrically connected with the communication interface group on the interface panel. The power supply is arranged in the shell and is electrically connected with the power interface. The communication interface group is also electrically connected with the main control board. According to the electrified information acquisition device of power equipment of above-mentioned technical scheme, can gather power equipment's electrified condition to gather information and transmit control system through protocol converter in unison, alleviate control system's burden.
Description
Technical Field
The utility model relates to an electric power system field, in particular to electrified information acquisition device of power equipment.
Background
In an electric power system, there are many electric power devices, and a control system is required to monitor the operating state of each electric power device. The existing mode is that a control system directly collects the working information of each power device, occupies the resources of the control system and causes a large communication burden to the control system.
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 an electrified information acquisition device of power equipment can gather whether electrified information of a plurality of power equipment to gather information and transmit for control system through protocol converter is unified, alleviate control system's burden.
According to the utility model discloses an electrified information acquisition device of power equipment of first aspect embodiment, include: a housing; the main control board is arranged in the shell and used for controlling the whole device to work; the interface panel is arranged on the shell and comprises an information input interface group for accessing the charged information of a plurality of power equipment, an information output interface group for outputting switching value signals, a power supply for accessing external power supply and a communication interface group for accessing communication signals; the acquisition board is arranged in the shell, is electrically connected with the main control board and controlled by the main control board, is electrically connected with the information input interface group and the information output interface group on the interface panel, and is used for acquiring the electrified information of the power equipment and outputting corresponding switching value signals; the protocol converter is arranged in the shell, is electrically connected with the main control panel and is electrically connected with the communication interface group on the interface panel; and the power supply is arranged in the shell, is electrically connected with the power interface and is used for supplying power to the whole device.
According to the utility model discloses electrified information acquisition device of power equipment has following beneficial effect at least: the information input interface group is connected the dry contact of each power equipment's high voltage live display device respectively, gathers power equipment's electrified information to transmit for gathering the board, gather the board and gather the information and send for the main control board, the main control board sends the protocol converter after putting up the information again, converts the general communication protocol in the electric power system and sends for control system by the protocol converter at last. The acquisition board can acquire the charged information of each power device in the power system and uniformly transmit the charged information to the control system, so that the resource occupation of the control system is reduced, and the burden of the control system is reduced. The acquisition board can also map signals of the information input interface group and output corresponding switching value signals through the information output interface group, and the information output interface group can be connected with locking devices such as an electromagnetic lock to realize safety joint defense.
According to some embodiments of the utility model, still including set up in display panel on the casing, display panel with gather board electric linkage.
According to some embodiments of the utility model, the information input interface group with the information output interface group all adopts the terminal row as the signal connection medium.
According to the utility model discloses a some embodiments, be equipped with a plurality of banks on the display panel, it is a plurality of the banks respectively with it is continuous to gather board electric property.
According to some embodiments of the utility model, the main control board includes: a main control MCU chip; the master control communication circuit is electrically connected with the master control MCU chip, the interface panel, the acquisition board and the protocol converter respectively; the master control memory is connected with the master control MCU chip; and the main control power supply circuit is used for providing working electric energy for the main control panel.
According to some embodiments of the invention, the collection plate comprises; collecting an MCU chip; the acquisition communication circuit is respectively electrically connected with the acquisition MCU chip and the main control board; the input circuit is electrically connected with the acquisition MCU chip and the information input interface group respectively; the output circuit is electrically connected with the acquisition MCU chip and the information output interface group respectively; the acquisition memory is connected with the acquisition MCU chip; and the acquisition power circuit is used for providing working electric energy for the acquisition board.
According to the utility model discloses a some embodiments, input circuit includes a plurality of photoelectric isolation circuit and a plurality of multichannel voltage conversion chip, information input interface group is with a plurality of photoelectric isolation circuit's input is connected, and is a plurality of photoelectric isolation circuit's output and a plurality of multichannel voltage conversion chip's input is connected, and is a plurality of multichannel voltage conversion chip's output with gather the MCU chip and connect.
According to the utility model discloses a some embodiments, output circuit includes a plurality of multichannel voltage conversion chips and a plurality of relay isolation circuit, and is a plurality of multichannel voltage conversion chip's input with gather the MCU chip and connect, it is a plurality of multichannel voltage conversion chip's output and a plurality of relay isolation circuit's input is connected, and is a plurality of relay isolation circuit's output with information output interface group connects.
According to some embodiments of the invention, the protocol converter is an IEC61850 protocol converter.
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
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a front view of an electrified information acquisition device of an electric power device according to an embodiment of the present invention;
fig. 2 is a back view of the power equipment live information acquisition device according to the embodiment of the present invention;
fig. 3 is an internal layout schematic diagram of the power equipment live information acquisition device according to the embodiment of the present invention;
fig. 4 is a schematic diagram of a main control power supply circuit according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a main control power supply circuit according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a master memory according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a master control communication circuit according to an embodiment of the present invention;
fig. 8 is a schematic diagram of a master control communication circuit according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of a power acquisition circuit in accordance with an embodiment of the present invention;
fig. 10 is a schematic diagram of a power acquisition circuit according to an embodiment of the present invention;
fig. 11 is a schematic diagram of an acquisition communication circuit according to an embodiment of the present invention;
fig. 12 is a schematic diagram of a certain optoelectronic isolation circuit according to an embodiment of the present invention;
fig. 13 is a schematic diagram of a relay isolation circuit according to an embodiment of the present invention;
fig. 14 is a schematic diagram of a multi-channel voltage converting chip in the input circuit according to the embodiment of the present invention;
fig. 15 is a schematic diagram of a multi-channel voltage converting chip in the output circuit according to the embodiment of the present invention;
fig. 16 is a schematic diagram of a multi-channel voltage conversion chip for connecting LED lamp sets according to an embodiment of the present invention.
Reference numerals:
the housing 100 is provided with a plurality of openings,
the main control board 200 is provided with a plurality of,
an interface panel 300, a terminal strip 301, an information input interface set 310, an information output interface set 320, a power interface 330, a communication interface set 340,
the collection sheet 400 is provided with a collection sheet,
the protocol-to-protocol converter 500 is,
the power supply (600) is provided,
a panel 700 is displayed.
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, 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 to 3, according to the present invention, the power device charging information collecting apparatus includes a housing 100, and a main control board 200, a collecting board 400, a power supply 600 and a protocol converter 500 which are disposed in the housing 100, and the housing 100 is further provided with an interface panel 300. The interface panel 300 includes a power interface 330, an information output interface set 320, an information input interface set 310, and a communication interface set 340. The acquisition board 400 and the protocol converter 500 are respectively connected to the main control board 200 and controlled by the main control board 200. The collecting board 400 is connected to the information input interface group 310 and the information output interface group 320, respectively, collects the charging condition of each power device through the information input interface group 310, maps the charging condition to the information output interface group 320, and simultaneously feeds back the charging information of the power device to the main control board 200, and the main control board 200 transmits the charging condition of each power device to the protocol converter 500. The protocol converter 500 is connected to the communication interface group 340, and the protocol converter 500 converts the charging condition information of each power device transmitted from the main control board 200 into a general communication protocol in the power system, and transmits the general communication protocol to the upper control system. The communication interface group 340 is further connected with the main control board 200, so as to facilitate the remote control of the work of the power equipment charged information acquisition device. The information output interface group 320 can map the power equipment electrification information acquired by the information input interface group 310 under the control of the acquisition board 400 and output a corresponding switching value signal, and the information output interface group 320 can be connected with the control end of a device such as an electric control lock, so that safety joint defense is realized. The power supply 600 is connected with the power interface 330, the bus voltage is converted into an electric energy form which can be used by the acquisition board 400, the main control board 200 and the protocol device, and the power supply 600 can be a switching power supply 600 or an electric energy conversion device such as a voltage stabilizer.
In some embodiments, referring to fig. 1, a display panel 700 is further disposed on the housing 100, the display panel 700 is connected to the collecting board 400, and the display panel 700 can visually display the information collected by the information input interface set 310. It is understood that the display panel 700 may adopt a display screen or an information display means such as a lamp set. In some embodiments, referring to fig. 2, the information input interface group 310 and the information output interface group 320 respectively collect and output switching values, for the convenience of line connection, each of the information input interface group 310 and the information output interface group 320 includes a plurality of terminal rows 301, two adjacent terminals on the terminal rows 301 form a channel, and each channel acquires the charging condition information of the power equipment by connecting a dry contact of a charging display device in the power equipment. Because the dry contact is passive, the collection of information is not influenced when the power equipment is maintained. The information output interface group 320 can be connected with a relay coil or a control end of the electric control lock, so that safety joint defense is realized.
In some embodiments, the main control board 200 includes a main control MCU chip, a main control communication circuit, a main control memory, and a main control power circuit. The master control communication circuit is connected with the master control MCU chip, and is also connected with the acquisition board 400, the protocol converter 500 and the communication interface group 340 respectively, and is used for protocol conversion in the internal and external communication of the electric charged information acquisition device. The master control memory is connected with the master control MCU chip and used for storing the configuration information of the master control MCU chip. The main control power circuit is used for converting the electric energy of the power supply 600 into an electric energy form required by the operation of each device on the main control board 200. It will be appreciated that the master MCU chip may be an ARM, FPGA or other micro control processor.
In some embodiments, acquisition board 400 includes an acquisition MCU chip, an acquisition communication circuit, an acquisition memory, an input circuit, an output circuit, and an acquisition power circuit. The acquisition communication circuit is connected with the acquisition MCU chip, and the acquisition chip is also connected with the main control board 200 and used for protocol conversion in the communication process with the main control board 200. The input end of the input circuit is connected with the information input interface group 310, the output end of the input circuit is connected with the acquisition MCU chip, and the input circuit is used for isolating the information acquired by the information input interface group 310 and converting the information into an electric signal which can be accepted by the acquisition MCU chip. The output end of the output circuit is connected with the information output interface group 320, the input end of the output circuit is connected with the acquisition MCU chip, and the output circuit is used for isolating output signals. It can be understood that the acquisition MCU chip can adopt micro control processors such as ARM, FPGA or DSP.
Referring to fig. 1 to 16, a power equipment charging information collecting device according to an embodiment of the present invention is described in detail. It is to be understood that the following description is illustrative only and is not intended as a specific limitation on the invention.
Referring to fig. 1 to 3, in the present embodiment, the housing 100 is a rectangular parallelepiped structure, the display panel 700 is disposed on the front surface of the housing 100, and the interface panel 300 is disposed on the back surface of the housing 100. The display panel 700 includes a plurality of lamp sets corresponding to the number of channels of the information input interface set 310, and is configured to display the operating state of the channels and the power information of the connected power devices. The number of channels of the information output interface group 320 corresponds to the number of channels of the information input interface group 310, and the information output interface group 320 maps the power equipment charging information collected by the information input interface group 310. The communication interface group 340 includes two RJ45 interfaces and a 9-pin D-type interface, wherein the network interface is connected with the protocol converter 500 for transmitting the charged information of the power equipment to the control system, and the D-type interface is connected with the main control board 200 for remote control. Referring to fig. 3, a schematic diagram of a layout relationship among devices in the enclosure 100 is shown, in which the power supply 600 is a 24V switching power supply, the protocol converter 500 is an IEC61850 protocol converter 500, and IEC61850 is the only international standard of the substation automation system based on the network communication platform, and is the most sophisticated and widely used.
Referring to fig. 4 and 5, in the present embodiment, the main power circuit includes a TPS54331 dc voltage conversion chip and a TLV1117 low dropout linear regulator chip. The input end of the TPS54331 is connected to the output end of the power supply 600, and converts the 24V voltage into the 5V voltage, and the input end of the TLV1117 is connected to the output end of the TPS54331, and converts the 5V voltage into the 3.3V voltage for use by other devices on the main control board 200. Referring to fig. 6, the master memory is a flash memory with a capacity of 32 MB. Referring to fig. 7 and 8, the master control communication circuit includes a plurality of RS485 transceiver circuits mainly composed of SN65HVD72 and an RS232 transceiver circuit mainly composed of ICL3232, wherein the input terminals of the plurality of RS485 transceiver circuits are connected to the serial port pin of the master control MCU chip, and the output terminals are respectively connected to the acquisition communication circuit of the acquisition board 400 and the RS485 communication interface of the protocol converter 500, so as to convert the transmitted information between the UART communication protocol and the RS485 communication protocol. The input end of the RS232 transceiver circuit is connected with the main control board 200, the output end of the RS232 transceiver circuit is connected with a pin of the D-type interface, and transmitted information is converted between a UART communication protocol and an RS232 protocol. RS485 has strong anti-interference capability in short-distance transmission, and RS232 is suitable for long-distance transmission. In this embodiment, the main control MCU chip is an ARM chip LPC 1778.
Referring to fig. 9, in the embodiment, the collecting power circuit includes a URF240P-6WR3 power module and a TLV1117 low dropout linear regulator chip, an input end of the collecting power circuit is connected to the power supply 600, 24V is converted into 5V, and a circuit principle of the TLV1117 is substantially the same as that of the main control power circuit, which is not described herein again. The acquisition communication circuit comprises an RS485 receiving and transmitting circuit, the principle of the RS485 receiving and transmitting circuit is the same as that of the RS485 receiving and transmitting circuit in the main control communication circuit, the input end of the acquisition communication circuit is connected with the serial port pin of the acquisition MCU chip, and the output end of the acquisition communication circuit is connected with the main control communication circuit of the main control board 200. Referring to fig. 12 and 14, the input circuit includes a plurality of photoelectric isolation circuits mainly composed of optical couplers as shown in fig. 12 and a plurality of multi-path voltage conversion chips as shown in fig. 14. Wherein the input end of the optical coupler is connected with the terminal of the terminal row 301 on the information input interface group 310, the output end of the optical coupler is connected to one end of the multi-path voltage conversion chip, and the other end of the multi-path voltage conversion chip is connected with the IO pin of the MCU chip. Referring to fig. 13 and 15, the output circuit includes a plurality of relay isolation circuits shown in fig. 13 and a plurality of multi-channel voltage conversion chips shown in fig. 15, wherein one end of each multi-channel voltage conversion chip is connected to an IO pin of the MCU chip, the other end of each multi-channel voltage conversion chip is connected to a coil of the relay, and a contact of the relay is connected to a terminal on the terminal row 301 of the information output interface group 320. The multiple voltage conversion chips in the input circuit and the output circuit select 74ALVC164245DGGR with 16 input and output, and the multiple voltage conversion chips can play the role of input and output buffering besides the function of multiple level conversion. Referring to fig. 16, in the present embodiment, the lamp groups on the display panel 700 are also connected to the IO pins of the acquisition MCU chip through the multi-channel voltage conversion chip 74ALVC164245 DGGR. In this embodiment, the collection MCU chip is an ARM chip LPC1768FBD 100.
According to the utility model discloses electrified information acquisition device of power equipment, the dry contact of the high voltage live display device on each power equipment of information input interface group link, gather the electrified information condition of power equipment and give and gather the board, gather the information transfer that the board will gather and give the main control board, main control board rethread regulation switching device gives control system with information, and the line of being convenient for has practiced thrift control system's resource, reduces the control system burden. Meanwhile, the information output interface group can map the electrified information condition of the power equipment acquired by the information input interface group and output a corresponding switching value signal, and can be connected with an electric control lock to realize safety joint defense.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
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 of those skilled in the art.
Claims (9)
1. The utility model provides an electrified information acquisition device of power equipment which characterized in that includes:
a housing;
the main control board is arranged in the shell and used for controlling the whole device to work;
the interface panel is arranged on the shell and comprises an information input interface group for accessing the charged information of the plurality of power equipment, an information output interface group for outputting switching value signals, a power supply interface for accessing external power supply and a communication interface group for accessing communication signals;
the acquisition board is arranged in the shell, is electrically connected with the main control board and controlled by the main control board, is electrically connected with the information input interface group and the information output interface group on the interface panel, and is used for acquiring the electrified information of the power equipment and outputting corresponding switching value signals;
the protocol converter is arranged in the shell, is electrically connected with the main control panel and is electrically connected with the communication interface group on the interface panel;
and the power supply is arranged in the shell, is electrically connected with the power interface and is used for supplying power to the whole device.
2. The electrical equipment electrification information acquisition device according to claim 1, further comprising a display panel provided on the housing, wherein the display panel is electrically connected to the acquisition board.
3. The electrical equipment electrification information acquisition device according to claim 2, wherein the information input interface group and the information output interface group both adopt a terminal strip as a signal connection medium.
4. The electrical equipment electrification information acquisition device according to claim 2 or 3, wherein a plurality of lamp groups are arranged on the display panel, and the plurality of lamp groups are electrically connected with the acquisition board respectively.
5. The power equipment electrification information acquisition device according to claim 1, wherein the main control board comprises:
a main control MCU chip;
the master control communication circuit is electrically connected with the master control MCU chip, the interface panel, the acquisition board and the protocol converter respectively;
the master control memory is connected with the master control MCU chip;
and the main control power supply circuit is used for providing working electric energy for the main control panel.
6. The power equipment electrification information acquisition device according to claim 1, wherein the acquisition board includes;
collecting an MCU chip;
the acquisition communication circuit is respectively electrically connected with the acquisition MCU chip and the main control board;
the input circuit is electrically connected with the acquisition MCU chip and the information input interface group respectively;
the output circuit is electrically connected with the acquisition MCU chip and the information output interface group respectively;
the acquisition memory is connected with the acquisition MCU chip;
and the acquisition power circuit is used for providing working electric energy for the acquisition board.
7. The device for collecting the charged information of the power equipment according to claim 6, wherein the input circuit comprises a plurality of photoelectric isolation circuits and a plurality of multi-path voltage conversion chips, the information input interface group is connected with the input ends of the plurality of photoelectric isolation circuits, the output ends of the plurality of photoelectric isolation circuits are connected with the input ends of the plurality of multi-path voltage conversion chips, and the output ends of the plurality of multi-path voltage conversion chips are connected with the collection MCU chip.
8. The device for collecting the charged information of the power equipment according to claim 6, wherein the output circuit comprises a plurality of multi-path voltage conversion chips and a plurality of relay isolation circuits, the input ends of the plurality of multi-path voltage conversion chips are connected with the collection MCU chip, the output ends of the plurality of multi-path voltage conversion chips are connected with the input ends of the plurality of relay isolation circuits, and the output ends of the plurality of relay isolation circuits are connected with the information output interface group.
9. The electrical equipment live information acquisition device according to claim 1, wherein the protocol is converted to an IEC61850 protocol converter.
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| CN202020088687.XU CN211237110U (en) | 2020-01-15 | 2020-01-15 | Electrified information acquisition device of power equipment |
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| CN202020088687.XU CN211237110U (en) | 2020-01-15 | 2020-01-15 | Electrified information acquisition device of power equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114211390A (en) * | 2021-11-03 | 2022-03-22 | 重庆智能机器人研究院 | Robot power control end controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114211390A (en) * | 2021-11-03 | 2022-03-22 | 重庆智能机器人研究院 | Robot power control end controller |
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