CN212963730U - NB-IOT temperature remote transmission module - Google Patents
NB-IOT temperature remote transmission module Download PDFInfo
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- CN212963730U CN212963730U CN202022123121.9U CN202022123121U CN212963730U CN 212963730 U CN212963730 U CN 212963730U CN 202022123121 U CN202022123121 U CN 202022123121U CN 212963730 U CN212963730 U CN 212963730U
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Abstract
The utility model provides a NB-IOT temperature teletransmission module, include: a temperature concentration device and at least one temperature acquisition node; the temperature centralizing device is provided with a first power supply module and a first microcontroller which are used for supplying power to the temperature centralizing device, and the first microcontroller is connected with an NB-IOT module and an LoRa receiving module; the temperature acquisition node is provided with a second power supply module, a second microcontroller and a temperature sensor, wherein the second power supply module, the second microcontroller and the temperature sensor are used for supplying power to the temperature acquisition node; the LoRa receiving module is communicated with the LoRa sending module; the utility model discloses well temperature centralized arrangement sends the temperature data of a plurality of temperature acquisition nodes to backend server in unison, and a plurality of acquisition points share a NB-IOT module and send data, saves the communication expense of a plurality of NB-IOT modules among a plurality of temperature acquisition nodes among the prior art, has reduced communication cost, low in use cost.
Description
Technical Field
The utility model belongs to the technical field of the temperature detects, concretely relates to NB-IOT temperature teletransmission module.
Background
At present, in an industrial field, the multipoint temperature on the field is often required to be collected and monitored.
Among the prior art, chinese utility model patent that application number is CN201921243359.6 discloses a temperature teletransmission equipment based on integrated socket function of narrowband thing networking, including installing liquid crystal display, five hole sockets, temperature and humidity sensor, mainboard, central processing unit, transformer, memory chip, NB-IOT module, SIM card, the antenna on the circuit board. The transformer converts the 220V direct current into 3.3V and 3.8V voltage to provide power for each module, the CPU reads configuration information from the flash after being electrified and then sends a command to the NB module, and the NB module communicates with the base station after reading the SIM card information.
However, when the prior art is used for multipoint temperature acquisition, each acquisition point has an NB-IOT module, the NB-IOT module is constructed in a cellular network, only consumes about 180KHz of bandwidth, and can be directly deployed in a GSM network, a UMTS network or an LTE network, and the annual cost is about 20 yuan. And each acquisition point on site sends data to the background server through the NB-IOT module, so that the use cost is high.
Therefore, it is necessary to design a NB-IOT module shared by multiple acquisition points for data transmission, and use a low-cost NB-IOT temperature remote transmission module to solve the current technical problems.
Disclosure of Invention
To the not enough that exists among the prior art, the utility model provides a many acquisition points sharing NB-IOT module send data, low in use cost's NB-IOT temperature teletransmission module.
The technical scheme of the utility model is that: NB-IOT temperature remote module includes: a temperature concentration device and at least one temperature acquisition node; the temperature centralizing device is provided with a first power supply module and a first microcontroller which are used for supplying power to the temperature centralizing device, and the first microcontroller is connected with an NB-IOT module and an LoRa receiving module; the temperature acquisition node is provided with a second power supply module, a second microcontroller and a temperature sensor, wherein the second power supply module, the second microcontroller and the temperature sensor are used for supplying power to the temperature acquisition node; the LoRa receiving module is communicated with the LoRa sending module.
The LoRa receiving module and the LoRa sending module are both provided with SZ15-01 chips.
The first microcontroller and the second microcontroller are respectively provided with a single chip microcomputer, a reset circuit and a program programming simulation circuit, and the reset circuit and the program programming simulation circuit are respectively connected with the single chip microcomputer.
The single-chip microcomputer is an STC8a8k64s4a12 single-chip microcomputer.
The utility model has the advantages that: the utility model discloses well temperature centralized arrangement sends the temperature data of a plurality of temperature acquisition nodes to backend server in unison, and a plurality of acquisition points share a NB-IOT module and send data, saves the communication expense of a plurality of NB-IOT modules among a plurality of temperature acquisition nodes among the prior art, has reduced communication cost, low in use cost.
Drawings
Fig. 1 is a schematic block diagram of the NB-IOT temperature remote transmission module of the present invention.
Detailed Description
The following describes the embodiments of the present invention with reference to the drawings and examples.
As shown in fig. 1, the NB-IOT temperature remote transmission module includes: the temperature concentration device and the temperature collection nodes can be connected with at most 200 temperature collection nodes under general conditions, and the number of the temperature collection nodes can be selected according to the field temperature collection requirement; the temperature centralizing device is provided with a first power supply module and a first microcontroller for supplying power to the temperature centralizing device, and the first microcontroller is connected with an NB-IOT module and an LoRa receiving module, wherein the first microcontroller is communicated with the background server through the NB-IOT module and is used for sending received temperature data to the background server; the temperature acquisition node is provided with a second power supply module for supplying power to the temperature acquisition node, a second microcontroller and a temperature sensor, the temperature sensor is connected with the second microcontroller through an A/D sampling circuit, and the second microcontroller is connected with a LoRa transmission module; the LoRa receiving module is communicated with the LoRa sending module; the temperature sensor is used for detecting the temperature of a site, the temperature sensor detects the temperature and outputs an analog quantity signal, the A/D sampling circuit receives the analog quantity signal output by the temperature sensor, converts the analog quantity signal into a digital quantity signal and sends the digital quantity signal to the second microprocessor, the second microprocessor establishes communication connection with a LoRa receiving module of the temperature concentration device through a LoRa sending module after processing the received temperature digital signal, the temperature data of the temperature acquisition node is sent to the temperature concentration device, and then the temperature concentration device packs the received used temperature data and sends the packed temperature data to the background server through the NB-IOT module; in this embodiment, the temperature centralizing device uniformly sends the temperature data of the plurality of temperature collection nodes to the background server, and the plurality of collection points share one NB-IOT module to send data, so that the communication cost of the plurality of NB-IOT modules in the plurality of temperature collection nodes in the prior art is saved, the communication cost is reduced, and the use cost is low.
As a specific implementation manner of the LoRa receiving module and the LoRa sending module, both the LoRa receiving module and the LoRa sending module have SZ15-01 chips, each of the SZ15-01 chips has a VCC terminal, a GND terminal, an RX1 terminal, a TX1 terminal, and a CFG terminal, wherein the VCC terminal is connected to +5V, the GND terminal is grounded, and the RX1 terminal, the TX1 terminal, and the CFG terminal are respectively in communication with the single chip microcomputer.
As a specific implementation manner of the first microcontroller and the second microcontroller, the first microcontroller and the second microcontroller are respectively provided with a single chip microcomputer, a reset circuit and a program programming simulation circuit, and the reset circuit and the program programming simulation circuit are respectively connected with the single chip microcomputer; more specifically, the single chip microcomputer is an STC8a8k64s4a12 single chip microcomputer, wherein the reset circuit is connected with the NRST pin and used for resetting the single chip microcomputer.
Wherein first power module and second power module all have the lithium cell as the power, have charging circuit and the step-down circuit to lithium cell charging simultaneously, wherein the lithium cell is DC 12V's lithium cell for output voltage, then changes DC 5V through DC 12V, and DC 5V changes twice pressure regulating of DC 3.3V, and the DC 3.3V voltage of output supplies power to the singlechip, and the DC 5V of output is used for temperature sensor power supply.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (4)
1. An NB-IOT temperature telemetry module, comprising:
a temperature concentration device and at least one temperature acquisition node;
the temperature centralizing device is provided with a first power supply module and a first microcontroller which are used for supplying power to the temperature centralizing device, and the first microcontroller is connected with an NB-IOT module and an LoRa receiving module;
the temperature acquisition node is provided with a second power supply module, a second microcontroller and a temperature sensor, wherein the second power supply module, the second microcontroller and the temperature sensor are used for supplying power to the temperature acquisition node;
the LoRa receiving module is communicated with the LoRa sending module.
2. The NB-IOT temperature telemetry module of claim 1, wherein: the LoRa receiving module and the LoRa sending module are both provided with SZ15-01 chips.
3. The NB-IOT temperature telemetry module of claim 1, wherein: the first microcontroller and the second microcontroller are respectively provided with a single chip microcomputer, a reset circuit and a program programming simulation circuit, and the reset circuit and the program programming simulation circuit are respectively connected with the single chip microcomputer.
4. The NB-IOT temperature telemetry module of claim 3, wherein: the single-chip microcomputer is an STC8a8k64s4a12 single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022123121.9U CN212963730U (en) | 2020-09-24 | 2020-09-24 | NB-IOT temperature remote transmission module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022123121.9U CN212963730U (en) | 2020-09-24 | 2020-09-24 | NB-IOT temperature remote transmission module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212963730U true CN212963730U (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022123121.9U Expired - Fee Related CN212963730U (en) | 2020-09-24 | 2020-09-24 | NB-IOT temperature remote transmission module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113611097A (en) * | 2021-04-28 | 2021-11-05 | 中大检测(湖南)股份有限公司 | Wireless acquisition method and device based on LoRa and NB-Iot |
-
2020
- 2020-09-24 CN CN202022123121.9U patent/CN212963730U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113611097A (en) * | 2021-04-28 | 2021-11-05 | 中大检测(湖南)股份有限公司 | Wireless acquisition method and device based on LoRa and NB-Iot |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210413 Termination date: 20210924 |
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| CF01 | Termination of patent right due to non-payment of annual fee |