CN216649886U - Electric power acquisition terminal - Google Patents
Electric power acquisition terminal Download PDFInfo
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- CN216649886U CN216649886U CN202122468488.9U CN202122468488U CN216649886U CN 216649886 U CN216649886 U CN 216649886U CN 202122468488 U CN202122468488 U CN 202122468488U CN 216649886 U CN216649886 U CN 216649886U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
The utility model relates to a power acquisition terminal, which comprises an MCU (microprogrammed control unit), and is characterized in that: the interface extension module is connected with the MCU, and a plurality of communication interfaces for connecting the external module with the MCU are arranged on the interface extension module. Compared with the prior art, the utility model has the advantages that: through the interface extension module that is connected with MCU, be equipped with a plurality of communication interfaces that are used for realizing that outside module is connected with MCU on the interface extension module to can conveniently realize more that outside module is connected with MCU through the mode of plug, in addition, can be faster and more extension electric power acquisition terminal's function, this mode is fit for upgrading electric power acquisition terminal more, can better deal with the intelligent demand in platform district, and the expansibility is strong.
Description
Technical Field
The utility model relates to the field of electric power acquisition, in particular to an electric power acquisition terminal.
Background
The conventional electric power acquisition terminal is provided with a local carrier communication module and a remote wireless public network communication module in order to adapt to the intelligent requirement of a distribution room except for the acquisition function of the basic electricity consumption of the conventional electric energy meter, and a serial RS232 communication mode is adopted between the two communication modules and the electric power acquisition terminal body.
Chinese utility model patent like application number CN201821855544.6 (the grant bulletin number is CN209087126U) discloses a binary channels's electric power acquisition terminal based on big dipper, including terminal subject, big dipper commander and PC server, terminal subject includes ARM9 processor unit, bus interface unit, communication management module, data storage module, power management module and big dipper communication module, ARM9 processor unit's output respectively with bus interface unit, communication management module, data storage module, power management module and big dipper communication module's input is connected, ARM9 processor unit's output is connected with the input of RS232 mouth and ethernet mouth respectively.
However, the existing RS232 communication interface cannot realize infinite expansion, so that the existing power acquisition terminal has insufficient expansibility when meeting the requirement of intelligent distribution room, is difficult to upgrade and modify, and is difficult to cope with function expansion. Further improvements are therefore desirable.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the present invention is to provide a power acquisition terminal with strong expansibility and easy function expansion in view of the above prior art.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a power acquisition terminal, includes MCU, its characterized in that: the interface extension module is connected with the MCU, and a plurality of communication interfaces for connecting the external module with the MCU are arranged on the interface extension module.
Preferably, the first way is: the interface expansion module is a USB interface expander, and the USB interface expander comprises a plurality of USB interfaces which can be used as communication interfaces.
Further, the USB interface can be a power outlet. The USB interface can be directly used as a power output port and can be used for supplying power to external equipment.
Preferably, the USB interface is a USB 3.0 interface. The communication rate of the USB 3.0 interface is higher than that of the existing RS232 interface, and the USB 3.0 interface is more suitable for being used by a power acquisition terminal.
Preferably, the second way is: the interface extension module is an Ethernet interactive machine which comprises a plurality of Ethernet interfaces capable of being used as communication interfaces.
Furthermore, the power acquisition terminal also comprises a power output port connected with the MCU. The Ethernet interface is different from the USB interface, and the Ethernet interface only has a communication function and does not have the function of supplying power to the outside. Therefore, a power outlet needs to be additionally arranged.
In order to realize that the power acquisition terminal has a communication function, the power acquisition terminal comprises a communication module, and the communication module is connected with the MCU through a USB interface or an Ethernet interface.
Preferably, the communication module is a local communication module and a remote communication module. Wherein body communication module mainly used short distance's communication, remote communication module then is applicable to long distance's communication, and concrete communication mode can be selected according to actual need.
Preferably, the remote communication module is any one of ZigBee, bluetooth, WiFi or GPRS. Of course, the module can also be other modules which can realize remote communication.
In addition, the electric power acquisition terminal also comprises a loop inspection module and an analog acquisition module which are connected with the MCU through the USB interface.
Compared with the prior art, the utility model has the advantages that: through the interface extension module that is connected with MCU, be equipped with a plurality of communication interfaces that are used for realizing that outside module is connected with MCU on the interface extension module to can conveniently realize more that outside module is connected with MCU through the mode of plug, in addition, can be faster and more extension electric power acquisition terminal's function, this mode is fit for upgrading electric power acquisition terminal more, can better deal with the intelligent demand in platform district, and the expansibility is strong.
Drawings
Fig. 1 is a block diagram of a power acquisition terminal according to a first embodiment of the present invention;
fig. 2 is a block diagram of a power acquisition terminal in the second embodiment of the present invention.
Detailed Description
The utility model is described in further detail below with reference to the accompanying examples.
The first embodiment is as follows:
the power acquisition terminal in this embodiment includes an MCU (micro control unit) and an interface extension module connected to the MCU, and the interface extension module is provided with a plurality of communication interfaces for connecting an external module to the MCU.
As shown in fig. 1, in this embodiment, the interface expansion module is a USB interface expander, and the USB interface expander includes a plurality of USB interfaces (universal serial interfaces) capable of serving as communication interfaces.
The USB interface expander not only has the communication function, but also supports external power supply, so that the USB interface can be a power supply output port. In this embodiment, the USB interface is preferably a common USB 3.0 interface, and the communication rate of the USB 3.0 interface is higher than that of the existing USB 2.0 interface and RS232 interface, and of course, the USB 2.0 interface can also be used if the USB 2.0 interface can meet the requirement of using the communication rate.
In addition, the power acquisition terminal comprises a communication module which is a local communication module and a remote communication module. The most common remote communication module is any one of ZigBee, bluetooth, WiFi or GPRS.
The power acquisition terminal further comprises a loop inspection module, an analog acquisition module and an RS485 module, and of course, the power acquisition terminal further comprises other commonly used modules in the existing power acquisition terminal, wherein the modules are commonly used modules in the industry, and specific details are not repeated here.
The communication module, the loop inspection module, the analog quantity acquisition module and the RS485 module are connected with the MCU through the USB interface on the USB interface expander. Therefore, the power acquisition terminal and the external module can be connected and detached more conveniently in a plugging mode, the functions of the power acquisition terminal can be expanded more conveniently, in addition, almost all external equipment (such as a palm machine and the like) support USB interfaces, and the connection between the terminal and the external equipment is more convenient; the USB transmission modes are diversified, the USB has four modes, such as control transmission (used for transmitting some system control commands), synchronous transmission (used for transmitting data with higher real-time requirements), interrupt transmission (used for manually inputting equipment), batch transmission (used for medium-speed equipment for irregularly transmitting a large amount of data) and the like, and the USB is suitable for different application scenes; the USB can be virtualized into a serial port (ACM mode), an Ethernet (ECM, NCM), a human-computer interaction device (HID, such as a keyboard, a mouse and the like) and the like, the application scene covers the Ethernet, and more extensible possibilities are supported; on a USB interface, a plurality of channels can be multiplexed at the same time, and the USB interface can simultaneously support interfaces such as serial ports and Ethernet, and is more friendly to the support of functional modules (for example, only the serial ports can be supported at present, and the USB interface can be upgraded to the network port in the future); the USB provides perfect support for plug and play (PNP), a PNP manager of the system can automatically detect the access of the device and allocate resources, and the USB device completely conforms to the PNP standard and has perfect plug and play function; compared with RS232, the USB has stronger expansibility, and the RS232 cannot realize infinite expansion.
Example two:
different from the first embodiment, as shown in fig. 2, the interface extension module in the present embodiment is an ethernet inter-working machine, and the ethernet inter-working machine includes a plurality of ethernet interfaces capable of serving as communication interfaces.
Because the ethernet interface only has a communication function, but cannot supply power to the outside, in this embodiment, the power acquisition terminal further includes a power output port connected to the MCU.
The communication module, the loop inspection module and the analog quantity acquisition module are connected with the MCU through an Ethernet interface on the Ethernet interactive machine.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a power acquisition terminal, includes MCU, its characterized in that: still include the interface extension module, the return circuit that are connected with MCU and patrol and examine module and analog quantity collection module, be equipped with a plurality of communication interfaces that are used for realizing that outside module is connected with MCU on the interface extension module, the return circuit is patrolled and examined the module and is gathered the module with analog quantity and be connected with MCU through communication interface.
2. The power harvesting terminal of claim 1, wherein: the interface expansion module is a USB interface expander, and the USB interface expander comprises a plurality of USB interfaces which can be used as communication interfaces.
3. The power harvesting terminal of claim 2, wherein: the USB interface can be a power outlet.
4. The power harvesting terminal of claim 3, wherein: the USB interface is a USB 3.0 interface.
5. The power harvesting terminal of claim 1, wherein: the interface extension module is an Ethernet interactive machine which comprises a plurality of Ethernet interfaces capable of being used as communication interfaces.
6. The power harvesting terminal of claim 5, wherein: the power acquisition terminal further comprises a power output port connected with the MCU.
7. The power collection terminal according to any one of claims 2 to 6, wherein: the power acquisition terminal comprises a communication module, and the communication module is connected with the MCU through a USB interface or an Ethernet interface.
8. The power harvesting terminal of claim 7, wherein: the communication module is a local communication module and a remote communication module.
9. The power harvesting terminal of claim 8, wherein: the remote communication module is any one of ZigBee, Bluetooth, WiFi or GPRS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122468488.9U CN216649886U (en) | 2021-10-13 | 2021-10-13 | Electric power acquisition terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122468488.9U CN216649886U (en) | 2021-10-13 | 2021-10-13 | Electric power acquisition terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216649886U true CN216649886U (en) | 2022-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122468488.9U Active CN216649886U (en) | 2021-10-13 | 2021-10-13 | Electric power acquisition terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216649886U (en) |
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2021
- 2021-10-13 CN CN202122468488.9U patent/CN216649886U/en active Active
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