CN209372836U - A kind of low-power consumption telemetry terminal system device - Google Patents

Abstract

The utility model discloses a low-power telemetry terminal device, which comprises a control unit, a power supply unit, a communication module, an on-site detection module and a data acquisition unit. The power supply unit is connected with the data acquisition unit and the control unit, and is used to provide and the data acquisition unit to provide electric energy, the data acquisition unit and the on-site detection module are connected to the control unit for transmitting the collected data signals to the control unit, and the control unit is connected to the groundwater monitoring and management platform through the communication module. The processed data signal is wirelessly transmitted to the groundwater monitoring and management platform for real-time monitoring; the data collection unit includes a first input interface, a second input interface, a third input interface and a fourth input interface. The utility model not only can monitor hydrological parameters in all aspects, has multiple communication modes to choose from, but also has low power consumption, and can work continuously for a long time even in rainy weather.

Description

A low-power telemetry terminal device

technical field

The utility model relates to the technical field of water regime telemetry, in particular to a low-power telemetry terminal device.

Background technique

At present, in the water conservancy information industry, most of the telemetry terminals that collect hydrological parameters work in the field. The collection of hydrological parameters adopts the method of automatic collection and transmission in some economically developed areas, and adopts the method of on-site monitoring and manual recording in some economically underdeveloped areas. The existing on-site monitoring manual recording method is no longer suitable for the development of the water conservancy industry. The cost of building a monitoring station is high, the work efficiency is low, and some parameters cannot be monitored in real time around the clock. Therefore, the application of automatic collection and transmission telemetry terminals is becoming more and more widespread. . However, the telemetry terminal used in the existing automatic collection and transmission mode has the following disadvantages:

(1) The detected parameters are relatively single, and the hydrological parameters cannot be monitored in all aspects;

(2) Due to the high power consumption, it cannot work continuously for a long time in rainy weather, which reduces the reliability of equipment and system work, and cannot achieve the purpose of effectively monitoring hydrological parameters;

(3) The communication method is single and cannot provide multiple communication methods to choose from.

Utility model content

Aiming at the deficiencies of the existing technology, the utility model provides a low-power telemetry terminal device, which can not only monitor hydrological parameters in all aspects, but also has a variety of communication modes to choose from, and has low power consumption, and can also be used in rainy weather. Can work continuously for a long time.

The utility model solves its technical problem and realizes by taking the following technical solutions:

A low-power telemetry terminal device, including a power supply, including a control unit, a power supply unit, a communication module, an on-site detection module and a data acquisition unit, the power supply unit is connected to the data acquisition unit and the control unit, and is used to provide power to the control unit and The data acquisition unit provides electric energy, and the data acquisition unit and the on-site detection module are connected to the control unit for transmitting the collected data signals to the control unit, and the control unit is connected to the groundwater monitoring and management platform through the communication module for The processed data signal is wirelessly transmitted to the groundwater monitoring and management platform for real-time monitoring; the data acquisition unit includes a first input interface, a second input interface, a third input interface and a fourth input interface, the first input interface and the liquid level The sensor is connected to receive the liquid level signal, the second input interface is connected to the temperature sensor to receive the water temperature signal, the third input interface is connected to the water quality sensor to collect the water quality signal, and the fourth input interface is connected to the pressure transmitter , for receiving pressure signals.

Preferably, the control unit is connected to a storage module for storing the collected data signals.

Preferably, the power supply is a large-capacity lithium battery pack, and the power supply provides 4 5V power supply interfaces externally for supplying power to external sensors.

Preferably, the first input interface, the second input interface, the third input interface and the fourth input interface are all analog input interfaces, supporting 4-20mA current signal or 0-5V voltage signal.

Preferably, the communication module includes a GPRS/3G/4G wireless transmission unit.

Preferably, the communication module also includes optional LoRa module, ZigBee module and Wifi module.

Preferably, the on-site detection module includes a pressure sensor, a noise sensor and a power failure detection module, and the power failure detection module is connected to a power supply unit for collecting power supply voltage signals.

Compared with the prior art, the embodiment of the utility model brings the following beneficial effects:

1. The data acquisition unit includes a first input interface, a second input interface, a third input interface and a fourth input interface. The first input interface is connected to the liquid level sensor for receiving liquid level signals. The second input interface is connected to the temperature sensor Connected to receive water temperature signal, the third input interface is connected to the water quality sensor, used to collect water quality signal, the fourth input interface is connected to the pressure transmitter, used to receive the pressure signal, there are many types of detection parameters, to realize the The function of comprehensive monitoring of hydrological parameters; among them, the water quality sensor adopts the multi-parameter water quality sensor of model WMP6, which can detect various parameters such as pH, conductivity and turbidity.

2. Support a variety of working modes, including self-report mode, query answer mode and compatibility mode, which can reduce power consumption to the greatest extent; moreover, using a large-capacity lithium battery pack as the power supply makes the telemetry terminal The device can work continuously for a long time even in rainy weather, which improves the reliability of the equipment and system.

3. The communication module includes GPRS/3G/4G wireless transmission unit as the main transmission communication mode, and the communication module also includes optional LoRa module, ZigBee module and Wifi module as optional communication modules, providing a variety of communication methods For users to choose, to achieve the diversification of communication methods.

4. The power supply provides 4 5V power supply interfaces externally, which can be used to supply power to external sensors, which improves the power supply reliability of the sensors; the control unit is connected to the storage module, which can be used to store the collected data signals. The storage module adopts 2MB data storage space, can store more than 5 years of collected data.

5. The on-site detection module includes a pressure sensor, a noise sensor and a power failure detection module, wherein the pressure sensor and the noise sensor are used to detect changes in the environment where the telemetry terminal device is located, including whether someone intentionally destroys the telemetry terminal device and whether the environment is Very bad; the power failure detection module is connected with the power supply unit to collect the power supply voltage signal. When the power supply is abnormal such as power failure, it will send alarm data to the control unit, and the control unit will transmit the alarm data to the Groundwater monitoring and management platform.

Description of drawings

Fig. 1 is a schematic diagram of a circuit connection block diagram of a low power consumption telemetry terminal device of the present invention;

Fig. 2 is a circuit connection block diagram of a low-power telemetry terminal device of the present invention and a groundwater monitoring and management platform;

Fig. 3 is a detailed circuit connection block diagram of a low-power telemetry terminal device of the present invention and a groundwater monitoring and management platform;

Fig. 4 is the circuit wiring diagram of data acquisition unit in the utility model;

Fig. 5 is the circuit connection diagram of control unit and communication module in the utility model;

Fig. 6 is the circuit diagram of the control chip in the utility model control unit;

Fig. 7 is a schematic diagram of the connection between the utility model and the computer during debugging.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-6, an embodiment provided by the utility model: a low-power telemetry terminal device, including a power supply, including a control unit, a power supply unit, a communication module, an on-site detection module and a data acquisition unit, the The power supply unit is connected with the data acquisition unit and the control unit, and is used to provide electric energy to the control unit and the data acquisition unit, and the data acquisition unit and the on-site detection module are both connected with the control unit, and are used to transmit the collected data signals to the control unit , the control unit is connected to the groundwater monitoring and management platform through the communication module, and is used to wirelessly transmit the processed data signal to the groundwater monitoring and management platform for real-time monitoring; the data acquisition unit includes a first input interface, a second input interface, The third input interface and the fourth input interface, the first input interface is connected with the liquid level sensor for receiving the liquid level signal, the second input interface is connected with the temperature sensor for receiving the water temperature signal, and the third input interface is connected with the water quality sensor , used to collect water quality signals, the fourth input interface is connected to the pressure transmitter, used to receive pressure signals; the control unit is connected to the storage module, used to store the collected data signals, and the power supply is a large-capacity Lithium battery pack, the power supply provides 4 roads of 5V power supply interfaces for external sensors, and the first input interface, the second input interface, the third input interface and the fourth input interface are all analog input interfaces , support 4-20mA current signal or 0-5V voltage signal, the communication module includes GPRS/3G/4G wireless transmission unit, the communication module also includes optional LoRa module, ZigBee module and Wifi module, the on-site detection The module includes a pressure sensor, a noise sensor and a power failure detection module, and the power failure detection module is connected with the power supply unit for collecting power supply voltage signals.

Figure 7 is a schematic diagram of the connection between the utility model and the computer during debugging. Firstly, each sensor on the site is connected to the data acquisition unit and the on-site detection module. The control unit includes a control chip and an RS232 wiring serial port. The specific model of the control chip is MSP430F149 low power consumption Process the chip, and then use the RS232 connection line to connect the control unit and the computer, so as to carry out the related work of on-site serial port test connection.

The working mode of the utility model is divided into three kinds:

(1) Self-report mode is to send the monitored hydrological parameters to the monitoring center according to the set time interval. When no parameters are collected and data is sent, it is in the standby state; the self-report mode can be set as event trigger or timing trigger There are two working modes. Event trigger means that when the value of the measured element changes, the telemetry terminal device actively sends data to the groundwater monitoring and management platform. Timing trigger means that the telemetry terminal device actively reports and sends data according to the specified time. The self-reporting mode is The most commonly used mode of the telemetry terminal device is also the mode with the lowest power consumption.

(2) Inquiry response mode, which is usually in a standby state, and collects and uploads corresponding hydrological parameters according to the command after receiving the query command issued by the monitoring center;

(3) Compatibility mode, which is both self-report mode and query response mode, that is, the monitored hydrological parameters can be sent to the monitoring center at a set time interval. When there is no parameter collection and data transmission, it is in the standby state. It can accept and respond to the query commands issued by the monitoring center.

Working principle: The data acquisition unit includes a first input interface, a second input interface, a third input interface and a fourth input interface. The first input interface is connected to the liquid level sensor for receiving liquid level signals. The second input interface is connected to the temperature The sensor is connected to receive the water temperature signal, the third input interface is connected to the water quality sensor to collect the water quality signal, the fourth input interface is connected to the pressure transmitter to receive the pressure signal, and there are many types of detection parameters, which realizes The function of monitoring hydrological parameters in all aspects; among them, the water quality sensor adopts the multi-parameter water quality sensor model WMP6. Parameters, the device comes with a USB or RS485 interface, which can be connected to a computer, data collector (data acquisition instrument), PLC control system, etc.; the utility model supports multiple working modes, including self-reporting mode, query answering mode and compatibility mode There are three modes to choose from, which can minimize power consumption; moreover, using a large-capacity lithium battery pack as a power supply enables the telemetry terminal device to work continuously for a long time even in rainy weather, which improves the reliability of equipment and system work. reliability.

The communication module includes GPRS/3G/4G wireless transmission unit as the main transmission communication mode, and the communication module also includes optional LoRa module, ZigBee module and Wifi module as optional communication modules, providing a variety of communication methods for users Choose to realize the diversification of communication methods. Among them, LoRa is a name given by Semtech for a wireless technology of the company. It is a radio frequency modulation and demodulation method; the power supply provides 4-way 5V power supply interface externally, which can be used to supply power to external sensors and improve the sensor performance. Power supply reliability; the control unit is connected with the storage module, which can be used to store the collected data signals. Among them, the storage module uses 2MB of data storage space, which can store more than 5 years of collected data, which can be called by the groundwater monitoring management platform at any time . The on-site detection module includes a pressure sensor, a noise sensor and a power failure detection module, wherein the pressure sensor and the noise sensor are used to detect changes in the environment where the telemetry terminal device is located, including whether someone intentionally destroys the telemetry terminal device (at this time, the pressure sensor and the Noise sensors will detect very strong signals) and whether the environment is very bad (for example, in very bad weather such as strong wind or hail, pressure sensors and noise sensors will also detect relatively strong signals), when the remote measurement terminal device When such a relatively bad change occurs in the environment at the site, the telemetry terminal device will send an alarm signal to the groundwater monitoring and management platform; the power failure detection module is connected to the power supply unit to collect power supply voltage signals. , the alarm data will be sent to the control unit, and the control unit will transmit the alarm data to the groundwater monitoring and management platform through the communication module.

It should be noted that at last: the above-described embodiment is only the specific implementation manner of the present utility model, in order to illustrate the technical scheme of the present utility model, rather than limit it, the protection scope of the present utility model is not limited thereto, Although the utility model has been described in detail with reference to the aforementioned embodiments, those of ordinary skill in the art should understand that any person familiar with the technical field can still describe the aforementioned embodiments within the technical scope disclosed in the utility model. Modifications or changes can be easily imagined in the technical solutions, or equivalent replacement of some of the technical features; and these modifications, changes or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model, All should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims (7)

1. a kind of low-power consumption telemetry terminal system device, including power supply, which is characterized in that including control unit, power supply unit, lead to Letter module, on-site test module and data acquisition unit, said supply unit are connected with data acquisition unit and control unit, use In providing electric energy to control unit and data acquisition unit, the data acquisition unit and on-site test module are and control unit It is connected, the data-signal for acquisition to come is sent to control unit, and described control unit passes through communication module and underground water Monitoring management platform is connected, for being supervised processed data-signal Wireless transceiver to groundwater monitoring management platform in real time It surveys；The data acquisition unit includes the first input interface, the second input interface, third input interface and the 4th input interface, First input interface is connected with liquid level sensor, and for receiving liquid level signal, the second input interface is connected with temperature sensor, uses In receiving water temperature signal, third input interface is connected with water quality sensor, for acquiring water quality signal, the 4th input interface and pressure Power transmitter is connected, for receiving pressure signal.

2. a kind of low-power consumption telemetry terminal system device according to claim 1, which is characterized in that described control unit and storage Module is connected, for storing the data-signal of acquisition.

3. a kind of low-power consumption telemetry terminal system device according to claim 1, which is characterized in that the power supply is great Rong Lithium battery group is measured, the power supply externally provides 4 road 5V power supply interfaces, for being powered to external sensor.

4. a kind of low-power consumption telemetry terminal system device according to claim 1, which is characterized in that an input interface, Two input interfaces, third input interface and the 4th input interface are analog input interface, support 4-20mA current signal or 0-5V voltage signal.

5. a kind of low-power consumption telemetry terminal system device according to claim 1, which is characterized in that the communication module includes GPRS/3G/4G wireless transmission unit.

6. a kind of low-power consumption telemetry terminal system device according to claim 1, which is characterized in that the communication module further includes Available LoRa module, ZigBee module and Wifi module.

7. a kind of low-power consumption telemetry terminal system device according to claim 1, which is characterized in that the on-site test module packet Pressure sensor, noise transducer and outage detection module are included, the outage detection module is connected with power supply unit, for acquiring Power supply voltage signal.