CN213423500U - Wireless data transmission rain gauge - Google Patents
Wireless data transmission rain gauge Download PDFInfo
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- CN213423500U CN213423500U CN202022665136.8U CN202022665136U CN213423500U CN 213423500 U CN213423500 U CN 213423500U CN 202022665136 U CN202022665136 U CN 202022665136U CN 213423500 U CN213423500 U CN 213423500U
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- drainage
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Abstract
The utility model discloses a wireless data transmission rain gauge, which comprises a rain receiving part, a rain storage part, a drainage part, a universal pressure sensor, a signal amplifier, a main controller and a communication module; the rainwater storage component comprises a rainwater storage component, a water drainage component, a universal pressure sensor, a signal amplifier, a water drainage component and a communication module, wherein the bottom of the rainwater storage component is connected with the upper top of the rainwater storage component in a conduction mode, the water drainage component is connected with the side of the rainwater storage component in a conduction mode, the universal pressure sensor is arranged at the bottom of the rainwater storage component and used for monitoring a rainwater quality signal in the rainwater storage component, the signal amplifier is connected with the universal pressure sensor, the signal amplifier, the water drainage component and the communication module are connected with. The utility model discloses can the low-power consumption rainfall monitoring, promote rainfall measurement accuracy to realize data long-range conveying in the field, reach the remote monitoring purpose.
Description
Technical Field
The utility model relates to a sensor technology, wireless communication technical field especially involve a wireless data transmission rain gauge.
Background
The rainfall data is an important landslide condition factor in landslide monitoring and early warning, and the rainfall of a monitoring area is fed back in real time by monitoring the rainfall of the landslide area, so that real-time early warning is realized for the landslide area.
The rain gauge that has now on the market is mostly tipping bucket formula rain gauge or hydrocone type rain gauge, and tipping bucket formula rain gauge utilizes measurement tipping bucket and count tipping bucket to send the pulse in real time and calculate the rainfall size, and this kind has guaranteed the real-time transmission of rainfall, nevertheless does not have low-power consumption performance to open-air meteorological work equipment, even if have solar energy power supply also hardly long-time work, and hydrocone type rain gauge needs to carry out the on-the-spot recording simultaneously and is very inconvenient to field work.
Another common problem is that the precision of the tipping-bucket rain gauge is very easily limited by the rainfall intensity during measurement, when the rainfall is large or small, the measurement is not accurate and the blockage phenomenon is easy to occur, and the mechanical turnover structure works repeatedly to reduce the service life cycle.
At the present stage, the rain gauge can rarely work on line for a long time in the field, the stability is high, the measurement is high in precision and the on-line measurement is realized, and a long-time high-precision on-line rain gauge monitoring device is urgently needed in engineering monitoring. Therefore, the problem of how to monitor the rainfall with low power consumption of the equipment is solved, the rainfall measurement precision is improved, the remote data transmission is realized in the field, and the purpose of remote monitoring is achieved.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the present invention provides a wireless data transmission rain gauge for overcoming the technical problems in the background art.
Therefore, the utility model adopts the following technical scheme:
a wireless data transmission rain gauge comprises a rain receiving part, a rain storage part, a drainage part, a universal pressure sensor, a signal amplifier, a main controller and a communication module; the rainwater receiving component is used for receiving rainwater, the rainwater storage component is used for collecting and storing the sum of rainwater received by the rainwater receiving component, the bottom of the rainwater receiving component is in conduction connection with the upper top of the rainwater storage component, the drainage component is in conduction connection with the side face of the rainwater storage component and is used for draining rainwater of the rainwater storage component, the universal pressure sensor is arranged at the bottom of the rainwater storage component and is used for monitoring rainwater quality signals in the rainwater storage component, the signal amplifier is connected with the universal pressure sensor and is used for amplifying the monitored rainwater quality signals, the universal pressure sensor, the signal amplifier, the drainage component and the communication module are connected with the main controller, and the communication module performs data interaction with the Internet of things platform.
Furthermore, the rainwater receiving part comprises a rainwater receiving inclined funnel and a particle sundry filter screen, the rainwater receiving inclined funnel is an opening with a preset depth of 30cm, the bottom of the rainwater receiving inclined funnel is connected with the rainwater storage part together and has a diameter of 3cm for conduction, and the particle sundry filter screen is arranged at the bottom of the rainwater receiving part.
Furthermore, the rainwater storage part comprises a closing part, a rainwater storage device and a side water outlet, the closing part is close to the bottom of the rainwater receiving inclined funnel, the rainwater storage device is used for storing rainwater flowing into the particle impurity filter screen, and the side water outlet is in conduction connection with the water outlet part; the general pressure sensor is arranged at the bottom of the rainwater storage device.
Furthermore, the drainage component also comprises a drainage device, one end of the drainage device is communicated with the side wall of the bottom containing container, and the other end of the side drainage port is connected with the drainage device.
Furthermore, the signal amplifier is composed of an AD623 chip and is connected with a voltage value output port for signal amplification.
Furthermore, the communication module is composed of NB-IOT and amplifies signals for wireless transmission.
Further, main control unit comprises Arduino Mage2560 chip, main control unit calculates the displacement according to the length of time of drainage to revise rainfall and rainfall intensity according to the displacement.
Further, the main controller judges whether the self-draining flushing unit is blocked or not according to the continuously measured pressure voltage value and the drainage quantity of the draining flushing component; when the drainage flushing unit is blocked, the main controller raises one I/0 port to send pulse triggering alarm indication to the communication unit.
Compared with the prior art, the utility model has the advantages that:
1. according to the wireless data transmission rain gauge, rainwater exceeding a threshold value and the filtered rainwater particle impurities are discharged through the drainage component, so that the system can work in a strong rainfall field environment for a long time, and the wireless data transmission rain gauge has stability, accuracy and rapidness and has a good market prospect in the fields of meteorological hydrology, disaster early warning, agricultural irrigation and the like.
2. The universal pressure sensor has high-precision characteristic, can meet linear output, has the resolution ratio of 0.1mm, and simultaneously adopts RS485 differential data transmission to store data frames without loss.
3. The main controller of the invention sets PSM mode to work, the standby power consumption is only microampere level, the periodic time is set to periodically send data to the server, and when the rainfall is too large, the mode is switched to DRX mode (continuous reception). The low-power-consumption operation of the rain gauge is ensured, and the long-term rainfall monitoring from small rain to extra-large heavy rain is further ensured.
4. According to the invention, the communication module sends the signal to the Internet of things cloud server by using the MQTT protocol, and the NB-IOT is adopted by the communication module to ensure that the rainfall meter can monitor rainfall data in the field for a long time.
Drawings
In the following, embodiments of the present invention or technical solutions in the prior art will be described more clearly by using the accompanying drawings, which are, however, only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic diagram of the wireless data transmission rain gauge of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the accompanying drawings used in conjunction with the embodiments or the prior art descriptions of the present invention will be described in a clear and complete manner, and obviously, the described embodiments are only some embodiments and not all embodiments of the present invention. The detailed description of the embodiments of the invention in the drawings is not intended to limit the scope of the invention as claimed, but is merely intended to represent selected embodiments of the invention. Based on the embodiment of the present invention, other embodiments obtained by the person skilled in the art without creative work all belong to the protection scope of the present invention.
The utility model provides a wireless data transmission rain gauge, the purpose is that the problem that solves prior art existence with not enough, realizes the monitoring of equipment low-power consumption rainfall, promotes rainfall measurement accuracy to realize data long-range conveying in the field, reach the remote monitoring purpose.
Referring to fig. 1, the utility model provides a pair of wireless data transmission pluviometer, including connecing rainwater part, rainwater to deposit part, drainage component, general type pressure sensor, signal amplifier, main control unit, communication module.
Connect the rainwater part with accomodating the rainwater, connect the rainwater part to contain again and connect oblique funnel of rainwater, granule debris filter screen, connect the oblique funnel of rainwater for the uncovered of predetermineeing 30cm degree of depth, connect the bottom of oblique funnel of rainwater and be linked together and have the 3cm diameter and switch on with rainwater storage unit, granule debris filter screen is located and is connected rainwater part bottom.
The rainwater storage part is used for collecting and storing the total rainwater collected by the rainwater collecting part, the bottom of the rainwater collecting part is in conduction connection with the upper top of the rainwater storage part, the rainwater storage part comprises a closing-in part, a rainwater storage device and a side water outlet, the closing-in part is closely connected with the bottom of the rainwater inclined funnel, the rainwater storage device is used for storing rainwater flowing into the particle impurity filter screen, and the side water outlet is in conduction connection with the water drainage part; the universal pressure sensor is arranged at the bottom of the rainwater storage device.
The drainage component is in conduction connection with the side face of the rainwater storage component and used for draining rainwater of the rainwater storage component, the drainage component further comprises a drainage device, one end of the drainage device is communicated with the side wall of the bottom containing container, and the other end of the side face water outlet is connected with the drainage device.
General type pressure sensor settles in rainwater storage unit bottom for the rainwater quality signal in the rainwater storage unit of monitoring has the high accuracy characteristic and can satisfy linear output and resolution ratio and reach 0.1mm, adopts RS485 difference data transmission simultaneously, preserves the data frame and does not lose.
The signal amplifier is connected with the general pressure sensor and used for amplifying the monitored rainwater quality signal, and the signal amplifier is composed of an AD623 chip and connected with a voltage value output port for signal amplification. The communication module is composed of NB-IOT and amplifies the signal for wireless transmission.
The main controller is formed by an Arduino Mage2560 chip, calculates the water discharge according to the water discharge duration, and corrects the rainfall and the rainfall intensity according to the water discharge. The main controller judges whether the self-draining flushing unit is blocked or not according to the continuously measured pressure voltage value and the drainage quantity of the draining flushing component; when the drainage flushing unit is blocked, the main controller pulls up an I/0 port to send a pulse triggering alarm indication to the communication unit.
The main controller sets PSM mode to work, the standby power consumption is only microampere level, the periodic time is set to periodically send data to the server, and when the rainfall is too large, the mode is switched to DRX mode (continuous receiving). The low-power-consumption operation of the rain gauge is ensured, and the long-term rainfall monitoring from small rain to extra-large heavy rain is further ensured.
General type pressure sensor, signal amplifier, drainage parts, communication module are connected with main control unit, and communication module carries out data interaction with thing networking platform. The signal is sent to the Internet of things cloud server through the communication module according to the MQTT protocol, and the communication module adopts NB-IOT to guarantee that the rain gauge can monitor the rainfall data in the field for a long time.
When in work, the method mainly comprises the following steps:
1. acquiring real-time pressure data of the universal pressure sensor and bottom size information of the rainwater storage component;
2. calculating the rainwater pressure through the real-time pressure data, and calculating the rainfall size and the rainfall intensity through the rainwater pressure and the bottom dimension information of the rainwater storage part;
3. the drainage component is adjusted to start drainage through rainfall intensity and rainwater pressure feedback;
4. the water discharge amount is calculated through the water discharge time of the water discharge part, and the rainfall size and the rainfall intensity are corrected in the main controller through the water discharge amount.
The drawings in this embodiment aim at making the advantages of the technical solutions of the embodiments of the present invention more clear, and the embodiments of the present invention apply the drawings to describe the technical solutions in detail. Of course, this is only a part of the embodiment of the present invention. The components in the present novel embodiment of use can be implemented with different configuration schemes depending on the monitoring area.
Finally, it should be noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and are not intended to limit the scope of the present invention. The present embodiments are to be considered as illustrative and not restrictive in character to persons of ordinary skill in the art. The utility model discloses an in the protection scope principle, can be right the technical scheme of the utility model modify or improve etc.
Claims (7)
1. A wireless data transfer rain gauge, characterized by: the rainwater storage device comprises a rainwater receiving part, a rainwater storage part, a drainage part, a universal pressure sensor, a signal amplifier, a main controller and a communication module; the rainwater receiving component is used for receiving rainwater, the rainwater storage component is used for collecting and storing the sum of rainwater received by the rainwater receiving component, the bottom of the rainwater receiving component is in conduction connection with the upper top of the rainwater storage component, the drainage component is in conduction connection with the side face of the rainwater storage component and is used for draining rainwater of the rainwater storage component, the universal pressure sensor is arranged at the bottom of the rainwater storage component and is used for monitoring rainwater quality signals in the rainwater storage component, the signal amplifier is connected with the universal pressure sensor and is used for amplifying the monitored rainwater quality signals, the universal pressure sensor, the signal amplifier, the drainage component and the communication module are connected with the main controller, and the communication module performs data interaction with the Internet of things platform.
2. A wireless data transfer rain gauge according to claim 1, wherein: the rainwater receiving part comprises a rainwater receiving inclined funnel and a particle sundry filter screen, the rainwater receiving inclined funnel is an opening with a preset depth of 30cm, the bottom of the rainwater receiving inclined funnel is connected with the rainwater storage part together and has a diameter of 3cm for conduction, and the particle sundry filter screen is arranged at the bottom of the rainwater receiving part.
3. A wireless data transfer rain gauge according to claim 2, wherein: the rainwater storage part comprises a closing part, a rainwater storage device and a side water outlet, the closing part is close to the bottom of the rainwater receiving inclined funnel, the rainwater storage device is used for storing rainwater flowing into the particle impurity filter screen, and the side water outlet is in conduction connection with the water drainage part; the general pressure sensor is arranged at the bottom of the rainwater storage device.
4. A wireless data transfer rain gauge according to claim 3, wherein: the drainage component also comprises a drainage device, one end of the drainage device is communicated with the side wall of the bottom containing container, and the other end of the side drainage port is connected with the drainage device.
5. A wireless data transfer rain gauge according to claim 1, wherein the device comprises: the signal amplifier is composed of an AD623 chip and is connected with a voltage value output port for signal amplification.
6. A wireless data transfer rain gauge according to claim 1, wherein the device comprises: the communication module is composed of NB-IOT and is used for amplifying signals and carrying out wireless transmission.
7. A wireless data transfer rain gauge according to claim 1, wherein the device comprises: the main control unit comprises Arduino Mage2560 chip, the main control unit calculates the displacement according to the drainage duration to revise rainfall and rainfall intensity according to the displacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202022665136.8U CN213423500U (en) | 2020-11-18 | 2020-11-18 | Wireless data transmission rain gauge |
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| CN202022665136.8U CN213423500U (en) | 2020-11-18 | 2020-11-18 | Wireless data transmission rain gauge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113341829A (en) * | 2021-06-21 | 2021-09-03 | 南京信息工程大学 | Rainwater monitoring system based on NB-IoT |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113341829A (en) * | 2021-06-21 | 2021-09-03 | 南京信息工程大学 | Rainwater monitoring system based on NB-IoT |
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