CN211956157U - Wireless single-point data acquisition module - Google Patents
Wireless single-point data acquisition module Download PDFInfo
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- CN211956157U CN211956157U CN201920964768.9U CN201920964768U CN211956157U CN 211956157 U CN211956157 U CN 211956157U CN 201920964768 U CN201920964768 U CN 201920964768U CN 211956157 U CN211956157 U CN 211956157U
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- acquisition module
- data acquisition
- control unit
- point data
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Abstract
The utility model discloses a be applicable to wireless single-point type data acquisition module, including the control unit, the control unit is connected with RS485 communication unit, the control unit still is connected with the lithium cell, the lithium cell is connected with charging circuit, charging circuit's input is connected with solar cell panel, charging circuit's output with the lithium cell is connected; the control unit is also connected with a GPRS communication unit; the single-point data acquisition module charges the lithium battery through the solar cell panel, and the lithium battery supplies power to the whole data acquisition module, so that the single-point data acquisition module is energy-saving and environment-friendly, saves wiring, is convenient to move and install, can be suitable for various occasions, and cannot be powered off; data transmission between the acquisition module and the upper computer is realized through GPRS, so that distance limitation between the upper computer and the acquisition module is liberated, wiring is not needed, power consumption is low, and networking test is facilitated.
Description
Technical Field
The utility model relates to a data acquisition module, in particular to wireless single-point data acquisition module.
Background
The data acquisition module is the bridge that computer and outside physics world are connected, the wide application is in automation industry and geotechnical engineering field, current data acquisition module generally uses commercial power or ordinary battery to supply power, this kind of power supply mode needs the wiring, in case the commercial power appears cutting off the power supply or the battery power is used up, lead to the unable power supply of data acquisition module, stability and sustainability are poor, in addition, current data acquisition module adopts serial communication, need many cable junction between a plurality of modules, it is troublesome to lay wire.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the power supply stability of the existing data acquisition module is poor and the wiring is troublesome, the utility model provides a single-point data acquisition module with good power supply performance and simple wiring.
In order to realize the purpose, the utility model provides a technical scheme is: a data acquisition module suitable for a wireless single-point type comprises a control unit, wherein the control unit is connected with an RS485 communication unit, the control unit is also connected with a lithium battery, the lithium battery is connected with a charging circuit, the input end of the charging circuit is connected with a solar cell panel, and the output end of the charging circuit is connected with the lithium battery; the control unit is also connected with a GPRS communication unit.
In the above technical scheme, the input end of the RS485 communication unit is connected with the sensor, and the output end of the RS485 communication unit is connected with the control unit.
In the above technical solution, preferably, the GPRS communication unit is composed of an M35 chip and a peripheral circuit thereof.
In the above technical solution, as a preferable technical solution, the charging circuit is composed of a CN3791 chip and a peripheral circuit thereof.
As a preferred technical scheme, the control unit adopts a single chip microcomputer.
On the basis of the above technical solution, preferably, the single chip microcomputer is connected with a clock circuit composed of an RX8025 chip and a peripheral circuit thereof.
The utility model discloses beneficial effect for prior art is: the single-point data acquisition module charges the lithium battery through the solar cell panel, and the lithium battery supplies power to the whole data acquisition module, so that the single-point data acquisition module is energy-saving and environment-friendly, saves wiring, is convenient to move and install, can be suitable for various occasions, and cannot be powered off; realize the data transmission between collection module and the host computer through GPRS and liberated the distance restriction between host computer and the collection module, need not lay wire moreover, the low power dissipation, make things convenient for the network deployment test, great increase data acquisition module's suitability, be particularly suitable for the test point relatively more dispersedly, the application of inconvenient wiring.
Drawings
FIG. 1 is an overall structure of the present invention;
FIG. 2 is a circuit diagram of a control unit;
FIG. 3 is a circuit diagram of an RS485 communication unit;
figure 4 is a circuit diagram of a GPRS communication unit;
FIG. 5 is a circuit diagram of a charging circuit;
fig. 6 is a circuit diagram of a clock circuit.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1, a single-point data acquisition module suitable for RS485 sensor, this data acquisition module embeds lithium cell 10, be supplied with power by lithium cell 10, lithium cell 10 is charged for it by solar cell panel 20, charging circuit 30's input is connected with solar cell panel 20, the output is connected with lithium cell 10, charge for lithium cell 10 through solar cell panel 20, lithium cell 10 is the power supply of whole data acquisition module again, so not only energy-concerving and environment-protective, and saved the wiring, convenient removal and installation, make data acquisition module can be suitable for in multiple occasion, and the condition of outage can not appear.
The data acquisition part of the single-point data acquisition module includes a control unit 41, in this embodiment, the control unit 41 employs a single chip microcomputer with model number MSP430F5438, and its peripheral circuit is shown in fig. 2, which is not described again in this embodiment.
The singlechip is connected with an RS485 communication unit 42, the RS485 communication unit 42 is used for collecting data of the sensor, as shown in figure 3, one end of the singlechip is connected with the singlechip, the other end is connected with the sensor,
as shown in fig. 4, the control unit 41 is further connected with a GPRS communication unit, the GPRS communication unit is composed of an M35 chip and a peripheral circuit thereof, the GPRS communication unit is used for realizing data transmission between the data acquisition module and the upper computer, the data transmission between the data acquisition module and the upper computer through GPRS frees the distance limitation between the upper computer and the data acquisition module, and wiring is not needed, so that power consumption is low, networking test is facilitated, the applicability of the data acquisition module is greatly increased, and the control unit is particularly suitable for application occasions where test points are scattered and wiring is inconvenient.
The charging circuit 30 comprises a CN3791 chip, and a peripheral circuit of the charging circuit is as shown in fig. 5, and the charging circuit can charge the lithium battery, so that the lithium battery can be ensured to be in a continuous power-on state, and the reliability of the data acquisition module is ensured.
In addition, as shown in fig. 6, the single chip microcomputer is connected with a clock circuit composed of an RX8025 chip and a peripheral circuit thereof, and the built-in clock circuit has two main functions, namely, recording the real-time of each acquisition and waking up the single chip microcomputer to complete the acquisition at regular time, so that the acquisition effect of the data acquisition module is ensured.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (6)
1. The utility model provides a wireless single-point data acquisition module, includes the control unit, its characterized in that: the control unit is connected with an RS485 communication unit, the control unit is also connected with a lithium battery, the lithium battery is connected with a charging circuit, the input end of the charging circuit is connected with a solar cell panel, and the output end of the charging circuit is connected with the lithium battery; the control unit is also connected with a GPRS communication unit.
2. The wireless single-point data collection module according to claim 1, wherein: the input end of the RS485 communication unit is connected with the sensor, and the output end of the RS485 communication unit is connected with the control unit.
3. The wireless single-point data collection module according to claim 1, wherein: the GPRS communication unit is composed of an M35 chip and peripheral circuits thereof.
4. The wireless single-point data collection module according to claim 1, wherein: the charging circuit consists of a CN3791 chip and peripheral circuits thereof.
5. The wireless single-point data collection module according to claim 1, wherein: the control unit adopts a singlechip.
6. The wireless single-point data collection module according to claim 5, wherein: the single chip microcomputer is connected with a clock circuit consisting of an RX8025 chip and peripheral circuits thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920964768.9U CN211956157U (en) | 2019-06-25 | 2019-06-25 | Wireless single-point data acquisition module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920964768.9U CN211956157U (en) | 2019-06-25 | 2019-06-25 | Wireless single-point data acquisition module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211956157U true CN211956157U (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920964768.9U Active CN211956157U (en) | 2019-06-25 | 2019-06-25 | Wireless single-point data acquisition module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211956157U (en) |
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2019
- 2019-06-25 CN CN201920964768.9U patent/CN211956157U/en active Active
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