CN214014246U - Telemetering measurement terminal machine based on lithium cell power supply - Google Patents
Telemetering measurement terminal machine based on lithium cell power supply Download PDFInfo
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- CN214014246U CN214014246U CN202120057209.7U CN202120057209U CN214014246U CN 214014246 U CN214014246 U CN 214014246U CN 202120057209 U CN202120057209 U CN 202120057209U CN 214014246 U CN214014246 U CN 214014246U
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Abstract
The utility model relates to a telemetering terminal based on lithium cell power supply, characterized by, including microcontroller, 4G surfing the net module, power chip, lithium cell and USART chip, 4G surfing the net module, power chip, USART chip all with the microcontroller electricity is connected, the lithium cell with power chip electricity is connected, the USART chip still is connected with the serial interface that is used for inserting 485 sensors; the telemetering terminal is provided with a self-powered battery, and a disposable high-capacity lithium primary battery has low self-discharge, can discharge continuously or intermittently, realizes data acquisition and transmission of the telemetering terminal on the spot without a power supply, improves the adaptability of the terminal to the environment, and saves the manual maintenance cost.
Description
Technical Field
The utility model relates to a telemetering measurement terminating machine, concretely relates to telemetering measurement terminating machine based on lithium cell power supply.
Background
The 4G remote terminal powered by the lithium battery is also called a battery-powered RTU and is generally applied to field underground water monitoring, flow pressure monitoring of underground pipe networks and the like.
The underground water monitoring wells are provided with a plurality of monitoring wells according to hydrology, geology and pollution conditions, are very dispersed, and are inconvenient to pull electricity in the field, and if solar power is used for supplying power, the underground water monitoring wells are erected by burying rods, so that the cost is increased, and the underground water monitoring wells can occupy land areas. And the terminal machine adopting the built-in lithium battery for power supply can be directly installed in the protection cylinder of the monitoring well, so that the material cost, the labor cost and the land cost are greatly saved, and the terminal machine is hidden in installation and is not easy to damage.
The urban water supply network undertakes the water supply problem of the whole city, and the drainage network undertakes the wastewater discharge of the whole city. Whether the pipeline is normal or not is related to the civil problem of the whole city, so that the normal operation of the pipe network is very important. However, the pipe network is generally buried underground, and when the pipe network has problems and the human eyes can see the pipe network, accidents often have been long, so that equipment is needed to be directly installed underground, the operation data of the pipe network can be monitored and reported, and the safe operation of the pipe network is guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a telemetering measurement terminal machine based on lithium battery powered is provided in order to solve and realize the long-time automatic measurement data in the field under the on-the-spot no power condition.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
the utility model provides a telemetering measurement terminal machine based on lithium cell power supply, includes microcontroller, the online module of 4G, power chip, lithium cell and USART chip, the online module of 4G the power chip the USART chip all with the microcontroller electricity is connected, the lithium cell with the power chip electricity is connected, the USART chip still is connected with the serial interface who is used for inserting the 485 sensor.
The utility model has the advantages that: the disposable high-capacity lithium primary battery with the self-powered battery has low self-discharge, can discharge continuously and intermittently, realizes data acquisition and transmission of the remote terminal in the field without power supply, improves the adaptability of the terminal to the environment and saves the manual maintenance cost.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Furthermore, an energy storage circuit is arranged between the microcontroller and the 4G internet access module
The further scheme has the advantages that the current during the control of the internet cannot be too large, and the failure of the internet due to exceeding of the current limit value of the power supply is prevented.
Furthermore, the microcontroller is also connected with an A/D conversion circuit, and the A/D conversion circuit is also connected with an AI interface for accessing the analog quantity sensor.
Furthermore, the microcontroller is also connected with a filter circuit, and the filter circuit is also connected with a PI interface for accessing the pulse signal sensor.
The technical scheme has the advantages that the terminal can be connected with various sensors, so that the functions of the telemetering terminal are richer.
Furthermore, the microcontroller is also connected with a clock chip.
The beneficial effect of adopting the further scheme is that the timing awakening function can be played to the microcontroller, and the timing acquisition is realized.
Further, the clock chip is connected with a button cell.
The beneficial effect of adopting the above further scheme is that the clock chip is independently powered, and the clock chip is ensured to have enough power to wake up the microcontroller when the whole circuit is in a sleep state.
Drawings
Fig. 1 is a schematic structural diagram of functional modules according to a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of functional modules according to a second embodiment of the present invention.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
This novel first embodiment is shown in fig. 1, a telemetering measurement terminating machine based on lithium cell power supply, including microcontroller, 4G online module, power chip, lithium cell and USART chip, 4G online module the power chip the USART chip all with the microcontroller electricity is connected, the lithium cell with the power chip electricity is connected, the USART chip still is connected with the serial interface who is used for inserting the 485 sensor.
The remote terminal based on lithium battery power supply is provided with a self-powered battery, and the self-discharge of a disposable high-capacity lithium primary battery is very low, so that the continuous discharge and the intermittent discharge can be realized, the remote terminal can collect and transmit data on the occasions without power supplies on site, the adaptability of the terminal to the environment is improved, and the manual maintenance cost is saved.
The utility model discloses the second embodiment is shown in figure 2, a telemetering measurement terminating machine based on lithium cell power supply, including MCU microcontroller and tank circuit, 4G internet module, power chip, lithium cell, clock chip, button cell, USART chip, serial interface, filter circuit, PI interface, AD converting circuit and AI interface.
Wherein 4G surf the net module, power chip, USART chip all are connected with microcontroller, and power chip connects the lithium cell, its the USART chip still is connected with the serial interface who is used for inserting the 485 sensor. An energy storage circuit is arranged between the microcontroller and the 4G internet module; the microcontroller is also connected with an A/D conversion circuit, and the A/D conversion circuit is also connected with an AI interface for accessing an analog quantity sensor; the microcontroller is also connected with a filter circuit, and the filter circuit is also connected with a PI interface for accessing the pulse signal sensor; the microcontroller is also connected with a clock chip, and the clock chip is connected with a button cell.
The lithium cell is connected with power chip, through the power supply of MCU microcontroller control whole product, the clock chip links to each other with MCU microcontroller, play the effect of regularly awakening up, button cell links to each other with the clock chip, a power supply alone for the clock chip, connect energy storage circuit between MCU microcontroller and 4G online module, the electric current when controlling the online can not be too big, prevent to surpass power supply's current limiting value and cause the online failure, the USART chip links to each other with MCU microcontroller, later output serial interface, a sensor for inserting 485, link to each other filter circuit and MCU microcontroller, a mode for exporting PI interface and realizing SAP system and external system data communication, a sensor for inserting pulse signal, link to each other AD converting circuit and MCU microcontroller, a sensor for exporting the AI interface, insert the analog signal.
The specific model of the MCU microcontroller can be STM32F103RCT632 ultra-low power consumption microcontroller, the specific model of the 4G internet module can be SIM7600CE LTE module, TPS54331DR can be used as a power chip, ER34615H can be used as a lithium battery, SP3222ESE low power consumption chip can be used as a USART chip, and DS1302 real-time clock chip can be used as a clock chip.
2 serial ports are formed in total, wherein the number of the serial ports is 232, and the number of the serial ports is 1; sleep current: less than or equal to 20uA/DC 12V; collecting current: less than or equal to 10mA/DC 12V; and (3) network access current: less than or equal to 25mA/DC 12V; storage capacity: 4M to 32M; product size: 190X 197X 90 mm; the installation mode is wall-mounted installation.
An energy storage element such as a capacitor is arranged in the energy storage circuit, so that the energy storage circuit can absorb energy supplied from the outside for a period of time and store the energy, and can release electric energy into the circuit again at the other end of the time, and the energy is not consumed by the energy storage circuit; the filter circuit can select a common capacitance filter circuit which is the most basic filter circuit or any one of a pi-type RC filter circuit, a pi-type LC filter circuit and an electronic filter circuit, the A/D conversion circuit can select an interface circuit of ICL7109, the output is 12-bit binary number, and the A/D conversion circuit is characterized in that: compatible with TTL circuit; having a tri-state control output; the universal signal control end is arranged, so that monitoring and conversion can be facilitated; a polarity and an overflow bit; an oscillator is arranged in the chip, and UART (universal asynchronous receiver transmitter) asynchronously receives and transmits data exchange; a serial, parallel interface; differential input, differential reference voltage makes it have lower noise and minor error; has the function of anti-static protection.
The working principle is as follows: self-checking after electrifying; detecting a time reference, entering acquisition work when acquisition time is up, entering a dormant state when the acquisition time is not up, comparing acquired data after returning, and immediately reporting the data if the data is abnormal; and if the data is normal, checking whether the data is stored, if the acquisition interval is consistent with the storage interval, storing the data, and if the acquisition interval is not consistent with the storage interval, discarding and sleeping. And when the stored data reaches the reporting interval, uploading the entered data, if the stored data does not reach the reporting interval, continuing to sleep, and after the reporting time is reached, awakening the entered data to report. And entering a dormant state after the data reporting is finished. And then, the loop is continued according to the set time of the timer.
The utility model discloses do not relate to the improvement to the software, MCU microcontroller control data acquisition, data transmission, operating condition all are the current function of MCU microcontroller self, do not relate to the improvement to computer program, the utility model discloses aim at protecting the relation of connection between each hardware and the hardware.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. The utility model provides a telemetering measurement terminating machine based on lithium cell power supply, characterized by includes microcontroller, 4G internet module, power chip, lithium cell and USART chip, 4G internet module the power chip the USART chip all with the microcontroller electricity is connected, the lithium cell with the power chip electricity is connected, the USART chip still is connected with the serial interface who is used for inserting the 485 sensor.
2. The lithium battery powered telemetry terminal as claimed in claim 1, wherein a tank circuit is provided between the microcontroller and the 4G internet module.
3. The lithium battery power supply-based telemetry terminal as claimed in claim 1, wherein the microcontroller is further connected with an a/D conversion circuit, and the a/D conversion circuit is connected with an AI interface for accessing an analog sensor.
4. The lithium battery power supply-based telemetry terminal as claimed in claim 1, wherein the microcontroller is further connected with a filter circuit, and the filter circuit is connected with a PI interface for accessing a pulse signal sensor.
5. The lithium battery powered telemetry terminal as claimed in any one of claims 1 to 4, wherein the microcontroller is further connected with a clock chip.
6. The lithium battery power supply-based telemetry terminal as claimed in claim 5, wherein the clock chip is connected with a button battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120057209.7U CN214014246U (en) | 2021-01-11 | 2021-01-11 | Telemetering measurement terminal machine based on lithium cell power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120057209.7U CN214014246U (en) | 2021-01-11 | 2021-01-11 | Telemetering measurement terminal machine based on lithium cell power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214014246U true CN214014246U (en) | 2021-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120057209.7U Active CN214014246U (en) | 2021-01-11 | 2021-01-11 | Telemetering measurement terminal machine based on lithium cell power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214014246U (en) |
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2021
- 2021-01-11 CN CN202120057209.7U patent/CN214014246U/en active Active
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