CN214227946U - Garden electric power monitoring terminal and system based on Lora transmission - Google Patents
Garden electric power monitoring terminal and system based on Lora transmission Download PDFInfo
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- CN214227946U CN214227946U CN202022827753.3U CN202022827753U CN214227946U CN 214227946 U CN214227946 U CN 214227946U CN 202022827753 U CN202022827753 U CN 202022827753U CN 214227946 U CN214227946 U CN 214227946U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 49
- 230000005540 biological transmission Effects 0.000 title claims abstract description 21
- 238000004891 communication Methods 0.000 claims abstract description 44
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- 239000013078 crystal Substances 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000010248 power generation Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
Abstract
The utility model discloses a garden electric power monitoring terminal and system based on Lora transmission, include: the device comprises a voltage and current acquisition module, an A/D conversion module, a control module and a Lora communication module; the voltage and current acquisition module is connected with the A/D conversion module, the A/D conversion module is connected with the control module, the A/D conversion module receives voltage and current signals of the voltage and current acquisition module, outputs voltage and current digital signals to the control module, and the control module sends the voltage and current digital signals through the Lora communication module. Realize the distributed collection of voltage and current data in the garden, the voltage and current data of a plurality of electric power monitoring terminals or a plurality of gardens are unified to gather through the Lora communication concentrator, can realize the control to the electric power information in the garden or between a plurality of gardens, provide economical and practical's electric energy quality monitoring service for the garden.
Description
Technical Field
The utility model relates to an artificial intelligence monitoring technology field especially relates to a garden electric power monitoring terminal and system based on Lora transmission.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The distributed power supply has the characteristics of small investment and flexible mode, along with the popularization of distributed power generation such as photovoltaic and the like, more and more distributed power supplies are connected into a 400V low-voltage distribution network and comprise solar energy, natural gas, biomass energy, wind energy, resource comprehensive utilization power generation and the like. Along with energy storage, electric automobile charges, but the extensive access of resources such as interrupt load in the garden, its power and load characteristic are more various, and the operation uncertainty is stronger, and the relevant factor of dispatch is more, increases the degree of difficulty of dispatch control. In a multi-energy complementary system, the dispatching can not acquire the power utilization rule of users in a park, and the safety and the power quality of the system after being connected into a power grid have more problems, so that the operation risk can be brought to a main grid. The inventors have found that the following problems exist with current campus monitoring: the monitoring range of the park is limited, and the adoption of communication such as 4G/5G can cause too many terminals to be connected with the server, so that the pressure of the server is higher; the existing terminal sensor is connected into a garden distribution network, and power failure installation is needed, so that time and labor are wasted in installation.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a garden electric power monitoring terminal and system based on Lora transmission realizes the distributed collection of voltage electric current data in the garden, and the voltage electric current data of a plurality of electric power monitoring terminals or a plurality of gardens through Lora communication concentrator is unified gathers, can realize the control to the district or the interval electric power information in a plurality of gardens, provides economical and practical's electric energy quality monitoring service for the garden.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
in a first aspect, the utility model provides a garden electric power monitoring terminal based on Lora transmission, include: the device comprises a voltage and current acquisition module, an A/D conversion module, a control module and a Lora communication module;
the voltage and current acquisition module is connected with the A/D conversion module, the A/D conversion module is connected with the control module, the A/D conversion module receives voltage and current signals of the voltage and current acquisition module, outputs voltage and current digital signals to the control module, and the control module sends the voltage and current digital signals through the Lora communication module.
In a second aspect, the utility model provides a garden electric power monitoring system based on Lora transmission, include: the system comprises a park power monitoring terminal, a LoRa communication concentrator and a background terminal, wherein the park power monitoring terminal, the LoRa communication concentrator and the background terminal are arranged on the park power monitoring terminal; park electric power detection terminal passes through loRa communication module and connects loRa communication concentrator, background terminal is connected to loRa communication concentrator.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses can gather in real time, monitor voltage electric current, realize the distributed collection of voltage electric current data in the garden, the voltage electric current data of a plurality of electric power monitoring terminal or a plurality of gardens of gathering through the Lora communication, can monitor all electric power information in the garden, still can monitor the electric power information of a plurality of gardens through 4G/5G wireless transmission module, for the garden provides economical and practical electric energy quality monitoring service, provide garden power generation and power consumption basic data for electric wire netting scheduling department, promote the dispatch plan of garden comprehensive energy and the scientificity of decision-making, it inserts many to be applicable to the distributed energy, novel loads such as energy storage or electric automobile account for higher comprehensive energy garden.
Advantages of additional aspects 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 accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic structural view of a park power monitoring terminal provided in embodiment 1 of the present invention;
fig. 2 is a circuit diagram of a main control CPU provided in embodiment 1 of the present invention;
fig. 3 is a circuit diagram of the key control circuit provided in embodiment 1 of the present invention;
fig. 4 is a circuit diagram of voltage and current display provided in embodiment 1 of the present invention;
fig. 5 is a crystal oscillator circuit according to embodiment 1 of the present invention;
fig. 6 is an RS485 communication circuit provided in embodiment 1 of the present invention;
fig. 7 is a schematic diagram of a campus power monitoring system architecture according to embodiment 1 of the present invention.
The specific implementation mode is as follows:
the present invention will be further explained with reference to the accompanying drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and it should be understood that the terms "comprises" and "comprising", and any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the case of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other.
Example 1
As shown in fig. 1, this embodiment provides a garden electric power monitoring terminal based on Lora transmission, includes: the device comprises a voltage and current acquisition module, an A/D conversion module, a control module and a Lora communication module;
the voltage and current acquisition module is connected with the A/D conversion module, the A/D conversion module is connected with the control module, the A/D conversion module receives voltage and current signals of the voltage and current acquisition module, outputs voltage and current digital signals to the control module, and the control module sends the voltage and current digital signals through the Lora communication module.
In this embodiment, the voltage and current collecting module includes a voltage collecting terminal and a current sensor;
the voltage acquisition terminal adopts a strong magnetic voltage acquisition terminal, is directly adsorbed on a terminal strip in the metering terminal box and is used for acquiring voltage data;
the current sensor adopts a pincer-shaped opening current sensor, is directly clamped on the secondary outgoing line of the current transformer and is used for acquiring current data;
and the A/D conversion module performs digital-to-analog conversion on the voltage signals and the current signals acquired by the voltage acquisition terminal and the current sensor to obtain voltage digital signals and current digital signals.
In this embodiment, the control module adopts a main control CPU single chip microcomputer of SMT32F103RET 6; as shown in fig. 2, the main control CPU converts the voltage signal and the current signal into a voltage digital signal and a current digital signal by controlling a/D conversion, and transmits the voltage digital signal and the current digital signal to the Lora communication module through the TTL communication interface.
In this embodiment, the park power monitoring terminal further comprises a key control circuit, a display circuit, a crystal oscillator circuit, an RS485 communication circuit and a power supply circuit; specifically, the method comprises the following steps:
as shown in the key control circuit diagram of fig. 3, the present embodiment adopts the principle of key triggering level change, and displays three-phase voltage and current values through key control.
As a display circuit diagram shown in fig. 4, in the present embodiment, a TM1640 chip is used to manage the trigger nixie tube, and the voltage and current are displayed by the nixie tube;
preferably, the present embodiment uses 2 digital tubes, which display the voltage and the current in turn.
As shown in fig. 5, in the crystal oscillator circuit, an 8MHZ crystal oscillator is adopted in this embodiment to provide a crystal oscillator clock for the main control CPU single chip.
As shown in the RS485 communication circuit in fig. 6, the campus power monitoring terminal of this embodiment reserves an RS485 debug interface, and processes the transmission of TTL and 485 communication signals by using an MAX3485 chip.
The power supply circuit adopts a DC12V power supply circuit, and supplies power to an AC220V or DC110V power input through an AC/DC conversion circuit.
The park electric power monitoring terminal described in this embodiment is used for collecting the electric power conditions of the power generation and utilization equipment such as distribution transformers and electric vehicle charging stations, and the electric power conditions include but are not limited to currents, voltages, zero sequence currents, three-phase unbalance degrees and the like.
In further embodiments, there is also provided a campus power monitoring system based on Lora transmission, as shown in fig. 7, including: the park power monitoring terminal, the LoRa communication concentrator and the background terminal are arranged on the park power monitoring terminal; the detection terminal is connected with the LoRa communication collector through the LoRa communication module, and the LoRa communication collector is connected with the background terminal.
The Lora communication module transmits the voltage digital signal and the current digital signal to a Lora communication concentrator;
the LoRa communication concentrator is the LoRa concentrator, and the voltage digital signal and the current digital signal that each LoRa communication module transmitted are assembled to the LoRa concentrator to transmit to backstage terminal.
The background terminal comprises a monitoring background, a management background or a server and the like;
preferably, the LoRa communication aggregator is directly connected to the monitoring background, and aggregates data of all park power monitoring terminals in the park to the monitoring background;
the LoRa communication collector is connected with the management background through the 4G/5G communication module, and collects all power monitoring terminal data of a plurality of parks in the management background.
The distributed acquisition of all voltage and current data in the garden can be realized to this embodiment, gathers through loRa communication collector is unified, can transmit to control backstage in the garden, also can transmit to the distal end management backstage, provides economical and practical's electric energy quality monitoring service for the garden.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (10)
1. The utility model provides a garden electric power monitor terminal based on Lora transmission which characterized in that includes: the device comprises a voltage and current acquisition module, an A/D conversion module, a control module and a Lora communication module;
the voltage and current acquisition module is connected with the A/D conversion module, the A/D conversion module is connected with the control module, the A/D conversion module receives voltage and current signals of the voltage and current acquisition module, outputs voltage and current digital signals to the control module, and the control module sends the voltage and current digital signals through the Lora communication module.
2. The Lora transmission-based park power monitoring terminal as claimed in claim 1, wherein the voltage and current acquisition module comprises a voltage acquisition terminal and a current sensor; the voltage acquisition terminal is adsorbed on the terminal strip in the metering terminal box; and the current sensor is connected with the secondary outgoing line of the current transformer.
3. The campus power monitoring terminal based on Lora transmission of claim 1 wherein the control module transmits the voltage current digital signal to the Lora communication module through the TTL communication interface.
4. The campus power monitoring terminal based on Lora transmission of claim 1, wherein the said campus power monitoring terminal further includes a key control circuit, the said key control circuit triggers the level through the key, in order to display the voltage current value.
5. The campus power monitoring terminal based on Lora transmission of claim 1 wherein the campus power monitoring terminal further comprises a display circuit, the display circuit triggers a nixie tube to display voltage and current.
6. The campus power monitoring terminal based on Lora transmission of claim 1 wherein the campus power monitoring terminal further comprises a crystal oscillator circuit, the crystal oscillator circuit using an 8MHZ crystal oscillator.
7. The Lora transmission-based park power monitoring terminal as claimed in claim 1, wherein the park power monitoring terminal reserves an RS485 interface, and the RS485 interface is connected with an RS485 communication circuit.
8. The Lora transmission-based park power monitoring terminal as claimed in claim 1, wherein the park power monitoring terminal further comprises a DC12V power supply circuit, and the DC12V power supply circuit is connected to an AC220V power supply or a DC110V power supply through an AC/DC conversion circuit.
9. The utility model provides a garden electric power monitoring system based on Lora transmission which characterized in that includes: the park power monitoring terminal, the LoRa communication concentrator and the background terminal of any one of claims 1-8; park electric power detection terminal passes through loRa communication module and connects loRa communication concentrator, background terminal is connected to loRa communication concentrator.
10. The Lora transmission-based park power monitoring system according to claim 9, wherein the LoRa communication aggregator is directly connected with the background terminal or connected with the background terminal through a 4G/5G communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022827753.3U CN214227946U (en) | 2020-11-30 | 2020-11-30 | Garden electric power monitoring terminal and system based on Lora transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022827753.3U CN214227946U (en) | 2020-11-30 | 2020-11-30 | Garden electric power monitoring terminal and system based on Lora transmission |
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| Publication Number | Publication Date |
|---|---|
| CN214227946U true CN214227946U (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022827753.3U Active CN214227946U (en) | 2020-11-30 | 2020-11-30 | Garden electric power monitoring terminal and system based on Lora transmission |
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| CN (1) | CN214227946U (en) |
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- 2020-11-30 CN CN202022827753.3U patent/CN214227946U/en active Active
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