CN210981396U - Irrigation pumping station flow monitoring system based on NB-IoT - Google Patents
Irrigation pumping station flow monitoring system based on NB-IoT Download PDFInfo
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- CN210981396U CN210981396U CN201921493312.5U CN201921493312U CN210981396U CN 210981396 U CN210981396 U CN 210981396U CN 201921493312 U CN201921493312 U CN 201921493312U CN 210981396 U CN210981396 U CN 210981396U
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- current transformer
- sampling circuit
- flow monitoring
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Abstract
The utility model discloses an irrigation pump station flow monitoring system based on NB-IoT, including the miniature monitor terminal of a plurality of, miniature monitor terminal carries out the information interaction with the IoT platform, IoT platform and server two-way communication, the server links to each other with cell-phone APP or Web page communication, monitor terminal includes the circuit board, current transformer and get the electric coil, current transformer cup joints in the supply cable outside of motor, it fixes on supply cable to get the electric coil, it all inserts the circuit board to get electric coil and current transformer, be provided with rectification filter circuit and consecutive sampling circuit on the circuit board, main control chip and NB-IoT module, sampling circuit links to each other with current transformer, rectification filter circuit respectively with get the electric coil, sampling circuit, main control chip and NB-IoT module link to each other. The utility model provides a pair of irrigate pump station flow monitoring system based on NB-IoT, the installation is simple, need not reform transform original pump station mounting structure, need not insert the commercial power after operation and can realize having extensive distributed pump station comprehensive monitoring now.
Description
Technical Field
The utility model relates to an irrigate pump station flow monitoring system based on NB-IoT belongs to data monitoring technology field.
Background
The pump station is an important basic device in hydraulic engineering and plays an important role in water storage irrigation, flood control, water transfer and the like. An agricultural irrigation pattern with a large-scale pump station as a main part and a small-scale pump station as an auxiliary part is formed primarily in China, and manual management is changed to automation and intellectualization.
With the increase of the number of pump stations, the pump station centralized management has difficulty, and the problems that monitoring equipment is huge in size, high in maintenance cost, incapable of finding and repairing faults in time and the like need to be solved urgently. The existing pump station monitoring device has objective obstacles of complex installation, operation after the need of accessing commercial power, the need of modifying the original pump station installation structure and the like, and can not realize the purpose of comprehensively monitoring the existing large-scale distributed pump station.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is, overcome prior art's defect, provide an installation simple, need not reform transform original pump station mounting structure, need not insert the commercial power after operation and can realize the purpose based on NB-IoT to the comprehensive monitoring of current extensive distributed pump station irrigation pump station flow monitoring system.
In order to solve the technical problem, the utility model discloses a technical scheme does:
an irrigation pumping station flow monitoring system based on NB-IoT comprises a plurality of miniature monitoring terminals, the micro monitoring terminal performs information interaction with an IoT platform, the IoT platform is in bidirectional communication with a server, the server is in communication connection with a mobile phone APP or a Web page, the monitoring terminal comprises a circuit board, a current transformer and a power-taking coil, the current transformer is sleeved outside a power supply cable of the motor, the power taking coil is fixed on the power supply cable, the power taking coil and the current transformer are both connected to the circuit board, the circuit board is provided with a rectifying and filtering circuit, a sampling circuit, a main control chip and an NB-IoT module which are connected in sequence, the sampling circuit is connected with the current transformer, and the rectification filter circuit is respectively connected with the power taking coil, the sampling circuit, the main control chip and the NB-IoT module.
The power taking coil is fixedly connected with the power supply cable through a metal binding belt.
The sampling circuit comprises a front sampling circuit and an electric energy chip which are connected, and the current transformer is connected with the front sampling circuit through a plug-in.
The pre-sampling circuit, the electric energy chip, the main control chip and the NB-IoT module are all connected in a printed copper wire physical connection mode.
The model of the electric energy chip is RN 8302.
The model of the control chip is STM 8L 051.
The NB-IoT module is ME3616 in model number.
The utility model has the advantages that: the utility model provides an irrigation pumping station flow monitoring system based on NB-IoT, the monitoring terminal of which does not change the existing water pump circuit structure, does not need to be accessed with commercial power, has small volume, does not need to be wired, is convenient to install, and has zero change to the existing pumping station structure; the system is based on an IoT platform, data are wirelessly and remotely transmitted, the flow data and the running state of the pump station are obtained in real time, the pump station can be comprehensively and effectively monitored in real time through wireless transmission to a client, monitoring and regulation of a large-scale pump station are realized, the motor fault probability is reduced, and important guarantee is provided for water quantity management and water resource allocation.
Drawings
Fig. 1 is a system block diagram of an NB-IoT based irrigation pumping station flow monitoring system of the present invention;
FIG. 2 is a schematic view of the installation of the monitoring terminal of the present invention;
FIG. 3 is a circuit block diagram of the monitoring terminal of the present invention;
fig. 4 is the circuit schematic diagram of the monitoring terminal of the utility model.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, and the following embodiments are only used to illustrate the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to fig. 4, the utility model discloses an irrigation pumping station flow monitoring system based on NB-IoT, including the miniature monitor terminal 1 of a plurality of, miniature monitor terminal 1 carries out the information interaction with IoT platform 2, and IoT platform 2 and 3 two-way communication of server, server 3 link to each other with cell-phone APP4 or 5 communications on the Web page, can carry out real time monitoring, operating parameter regulation, flow record and malfunction alerting to the pump station running state at cell-phone APP software 4 or Web page 5 after the customer end networking. The client interface can display the state of each water pump 7 in each area and simultaneously display the water quantity, so as to prepare for the future irrigation water fee metering.
The monitoring terminal 1 is independently installed outside a cable of a motor 6 for driving a water pump 7 to operate, and comprises a circuit board 9, a current transformer 8 and a power taking coil 10, wherein the current transformer 8 is sleeved outside a power supply cable of the motor 6, the power taking coil 10 is fixed on the power supply cable, the power taking coil 10 is fixedly connected with the power supply cable through a metal ribbon, the power taking coil 10 and the current transformer 8 are both connected into the circuit board 9, and the circuit board 9 realizes data acquisition, conversion, analysis and storage functions, the circuit board 9 is a packaged high-precision integrated circuit board, and is provided with a rectifying and filtering circuit 11, a sampling circuit 12, a main control chip 14 and an NB-IoT module 15 which are sequentially connected, wherein the NB-IoT module 15 is special for bidirectional remote wireless communication with a platform 2, the model of the electronic control chip 14 is STM 8L 051, and the model of the NB-IoT module 15 is ME 3616.
The sampling circuit 12 comprises a pre-sampling circuit formed by sampling resistors and an electric energy chip 13 which are connected, and the model of the electric energy chip 13 is RN 8302. The current transformer 8 is connected with the pre-sampling circuit through a plug-in. The sampling circuit 12 is connected with the current transformer 8, the current transformer 8 converts large current in the power supply cable into small current, the small current passes through the front sampling circuit and then is connected to the electric energy chip 13, the electric energy chip 13 obtains power parameters according to the measured current, and the electric energy chip 13 transmits the acquired information to the main control chip 14. The main control chip 14 obtains flow data according to the calibration parameters on the server 3 to determine the current state (no load, full load, overload, failure) of the water pump 7, calculate the current flow and the accumulated flow, and after data analysis is completed, performs data storage and conversion and transmits the data to the NB-IoT module 15.
The rectification filter circuit 11 is respectively connected with the power taking coil 10, the sampling circuit 12, the main control chip 14 and the NB-IoT module 15, the power taking coil 10 is connected with the rectification filter circuit 11 through a lead, induced current is excited in the power taking coil 10 after a cable is electrified, the induced current supplies power for the electric energy chip 13, the main control chip 14 and the NB-IoT module 15 in the circuit after flowing through the rectification filter circuit 11, and the power taking coil 10 and the rectification filter circuit 11 form a power supply source of the independent monitoring terminal 1. The pre-sampling circuit, the electric energy chip 13, the main control chip 14 and the NB-IoT module 15 are all physically connected by printed copper wires.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (7)
1. An NB-IoT-based irrigation pumping station flow monitoring system, characterized in that: the mobile phone monitoring system comprises a plurality of miniature monitoring terminals (1), wherein the miniature monitoring terminals (1) perform information interaction with an IoT platform (2), the IoT platform (2) is in two-way communication with a server (3), the server (3) is in communication connection with a mobile phone APP (4) or a Web page (5), each monitoring terminal (1) comprises a circuit board (9), a current transformer (8) and a power taking coil (10), the current transformer (8) is sleeved outside a power supply cable of a motor (6), the power taking coil (10) is fixed on the power supply cable, the power taking coil (10) and the current transformer (8) are both connected into the circuit board (9), a rectifying and filtering circuit (11) and a sampling circuit (12), a main control chip (14) and an NB-IoT module (15) which are sequentially connected are arranged on the circuit board (9), and the sampling circuit (12) is connected with the current transformer (8), the rectification filter circuit (11) is respectively connected with the power taking coil (10), the sampling circuit (12), the main control chip (14) and the NB-IoT module (15).
2. An NB-IoT based irrigation pumping station flow monitoring system according to claim 1 and further comprising: the electricity taking coil (10) is fixedly connected with the power supply cable through a metal binding belt.
3. An NB-IoT based irrigation pumping station flow monitoring system according to claim 1 and further comprising: the sampling circuit (12) comprises a front sampling circuit and an electric energy chip (13) which are connected, and the current transformer (8) is connected with the front sampling circuit through a plug-in.
4. An NB-IoT based irrigation pumping station flow monitoring system according to claim 3, characterized in that: the pre-sampling circuit, the electric energy chip (13), the main control chip (14) and the NB-IoT module (15) are all connected in a printed copper wire physical connection mode.
5. An NB-IoT based irrigation pumping station flow monitoring system according to claim 3, characterized in that: the model of the electric energy chip (13) is RN 8302.
6. An NB-IoT based irrigation pumping station flow monitoring system according to claim 1, characterized in that the model number of the control chip (14) is STM 8L 051.
7. An NB-IoT based irrigation pumping station flow monitoring system according to claim 1 and further comprising: the NB-IoT module (15) is ME3616 in model number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921493312.5U CN210981396U (en) | 2019-09-09 | 2019-09-09 | Irrigation pumping station flow monitoring system based on NB-IoT |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921493312.5U CN210981396U (en) | 2019-09-09 | 2019-09-09 | Irrigation pumping station flow monitoring system based on NB-IoT |
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| CN210981396U true CN210981396U (en) | 2020-07-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417842A (en) * | 2021-07-30 | 2021-09-21 | 刘春� | Large-scale water pump monitoring, scheduling and managing system |
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2019
- 2019-09-09 CN CN201921493312.5U patent/CN210981396U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417842A (en) * | 2021-07-30 | 2021-09-21 | 刘春� | Large-scale water pump monitoring, scheduling and managing system |
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