CN210895803U

CN210895803U - Wireless information acquisition uploading device

Info

Publication number: CN210895803U
Application number: CN202020118658.3U
Authority: CN
Inventors: 张潜
Original assignee: Shenzhen Intelligent Building Information Technology Co ltd
Current assignee: Shenzhen Intelligent Building Information Technology Co ltd
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-06-30
Anticipated expiration: 2030-01-19

Abstract

The utility model discloses a wireless information acquisition uploading device, which comprises an MCU module, and a power module, a data transmission module, a Bluetooth module and a USB charging debugging interface which are respectively and electrically connected with the MCU module; the Bluetooth module is used for acquiring the strength information of external Bluetooth terminal equipment signals and feeding the strength information back to the MCU module so that the MCU module transmits the information to the background after processing the information through the data transmission module; the data transmission module and the USB charging debugging interface are respectively electrically connected with the power supply module, and the USB charging debugging interface is used for charging and debugging. The utility model discloses a BLE bluetooth gathers constructor's positional information in real time to pass to the backstage through data transmission module, solve the personnel location monitoring problem of construction building.

Description

Wireless information acquisition uploading device

Technical Field

The utility model relates to a data acquisition technical field especially relates to a wireless information acquisition uploads ware.

Background

With the acceleration of the urbanization development process in China and the great trend of internet of things interconnection, the acquisition and application of position information are more and more important in project landing. Compared with outdoor positioning, the indoor positioning has more complex and fine working environment and more diversified technologies. In the case of site accidents which are increasing nowadays, the problem of personnel location monitoring of the construction building is urgently needed to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a ware is uploaded in wireless information collection gathers constructor's positional information through BLE bluetooth to upload to the backstage through data transmission module, solve the personnel location monitoring problem of construction building.

In order to realize the purpose, the following technical scheme is adopted:

a wireless information acquisition uploading device comprises an MCU module, and a power module, a data transmission module, a Bluetooth module and a USB charging debugging interface which are respectively and electrically connected with the MCU module; the Bluetooth module is used for acquiring the strength information of external Bluetooth terminal equipment signals and feeding the strength information back to the MCU module so that the MCU module transmits the information to the background after processing the information through the data transmission module; the data transmission module and the USB charging debugging interface are respectively electrically connected with the power supply module, and the USB charging debugging interface is used for charging and debugging.

Preferably, the data transmission module is a 2G transmission module, which includes a 2G unit for encrypting and packaging data, a 2G SIM card for communicating with the 2G base station, and a 2G antenna for transmitting information to the 2G base station.

Preferably, the data transmission module is a LoRa transmission module, which includes a LoRa unit for encrypting and packaging data, and a LoRa antenna for sending information to a LoRa base station; the LoRa unit is electrically connected with the power module through the second LDO unit.

Preferably, the power module comprises a charging management unit, a rechargeable battery and a power switch which are electrically connected in sequence; the charging management unit is also electrically connected with the USB charging debugging interface and the MCU module respectively, and the power switch is electrically connected with the data transmission module.

Preferably, the USB charging debugging interface and the power switch are electrically connected to the MCU module through the first LDO unit, respectively.

Preferably, the bluetooth module adopts BLE bluetooth communication.

Preferably, the MCU module, the charging management unit, the data transmission module and the Bluetooth module are integrated on the same PCB, and the PCB and the rechargeable battery are arranged in an outer shell; the USB charging debugging interface and the power switch are embedded in the back of the shell.

Preferably, the wireless information acquisition uploader further includes a power indicator for indicating the power on/off state, and a network indicator for indicating the network access state.

Adopt above-mentioned scheme, the beneficial effects of the utility model are that:

the utility model has the advantages of simple integral structure, easily realize, through with a plurality of information acquisition upload ware interval arrangement in the building, utilize bluetooth module to gather the strong and weak information of the bluetooth terminal equipment signal that the constructor wore, judge whether constructor is at safe region to pass through data transmission module with information and transmit to the backstage, solve the personnel location monitoring problem of construction building, have low-power consumption, remote transmission, the characteristics of long-time standby simultaneously.

Drawings

FIG. 1 is a schematic block diagram of the present invention;

FIG. 2 is a circuit diagram of the MCU module and the Bluetooth module of the present invention;

fig. 3 is a schematic block diagram of embodiment 1 of the present invention;

fig. 4 is a circuit diagram of a 2G unit in embodiment 1 of the present invention;

fig. 5 is a circuit diagram of a 2G SIM card holder according to embodiment 1 of the present invention;

fig. 6 is a schematic block diagram of embodiment 2 of the present invention;

fig. 7 is a circuit diagram of an LoRa unit in embodiment 2 of the present invention;

fig. 8 is a schematic structural view of the present invention;

wherein the figures identify the description:

1-MCU module, 2-power module,

3/3' -data transmission module, 4-Bluetooth module,

5-a USB charging debugging interface, 6-a first LDO unit,

7-a PCB board, 8-an outer shell,

9-power indicator light, 10-network indicator light,

21-a charge management unit, 22-a rechargeable battery,

23-power switch, 31-2G unit,

32-2G SIM card, 33-2G antenna,

31 '-LoRa unit, 32' -LoRa antenna,

33' -a second LDO unit.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 8, the utility model provides a wireless information acquisition uploading device, which comprises an MCU module 1, and a power module 2, a data transmission module 3/3', a bluetooth module 4, and a USB charging debugging interface 5, which are electrically connected to the MCU module 1 respectively; the bluetooth module 4 is used for acquiring the strength information of the external bluetooth terminal device signal and feeding back the strength information to the MCU module 1, so that the MCU module 1 processes the information and transmits the processed information to the background through the data transmission module 3/3'; the data transmission module 3/3' and the USB charging debugging interface 5 are electrically connected to the power module 2, respectively, and the USB charging debugging interface 5 is used for burning firmware of the MCU module 1, debugging functional characteristics of a product, charging, and the like. The Bluetooth module 4 and the MCU module 1 adopt the same chip, the model of the chip is MDBT42Q-P512K, the MCU module 1 is also connected with a crystal oscillator, and the crystal oscillator is used for providing oscillation frequency for the chip.

The power module 2 comprises a charging management unit 21, a rechargeable battery 22 and a power switch 23 which are electrically connected in sequence; the charging management unit 21 is further electrically connected to the USB charging debugging interface 5 and the MCU module 1, and the power switch 23 is electrically connected to the data transmission module 3/3'. The rechargeable battery 22 is mainly used for providing power for normal work of products, and the rechargeable battery 22 adopts a 25Ah high-capacity lithium battery to realize ultra-long standby. The charging management unit 21 adopts a chip model TP4056, and is mainly used for managing the charging state of the rechargeable battery 22, including charging progress, charging current control, overcurrent protection, and the like. The power switch 23 mainly controls the power-on and power-off operations of the product. The USB charging debugging interface 5 and the power switch 23 are electrically connected to the MCU module 1 through the first LDO unit 6, respectively. Bluetooth module 4 adopts BLE bluetooth communication, and the chip model that first LDO unit adopted is CL9001A33M 3.

With continued reference to fig. 8, the MCU module 1, the charging management unit 21, the data transmission module 3/3', and the bluetooth module 4 are integrated on the same PCB 7, and the PCB 7 and the rechargeable battery 22 are disposed in an outer casing 8; the USB charging debugging interface 5 and the power switch 23 are embedded in the back of the outer shell 8. 2G antenna 33, loRa antenna 32' all adopt board-mounted antenna, and the top of shell body 8 is located to board-mounted antenna.

The wireless information acquisition uploader further comprises a power indicator lamp 9 for indicating the on-off state and a network indicator lamp 10 for indicating the network access state. The power indicator lamp 9 is used for indicating the states of startup, shutdown and the like, and the network indicator lamp 10 is used for indicating the working state of the 2G transmission module 3 or the LoRa transmission module 3'. In a specific embodiment, the power indicator lamp 9 is a red lamp, and the network indicator lamp 10 is a green lamp; after the product is started, the power indicator lamp 9 is on for a long time, the network indicator lamp 10 is on for a long time, after the self-checking of the utility model is normal, the power indicator lamp 9 is off, when the electric quantity is lower than 20%, the power indicator lamp 9 is slowly flashed, and 2S (or other preset time) is carried out once; treat the utility model discloses after the success of networking, network pilot lamp 10 dodges slowly, and 2S (or other time of predetermineeing) are once. When the network access is not successful, the network indicator lamp 10 is on for a long time.

Further, the utility model discloses still built-in GPS locator localization tracking that has conveniently seeks and confirms its mounted position.

Example 1: (2G Transmission Module)

With continued reference to fig. 3-5, the data transfer module 3/3' is configured as a 2G transfer module 3 that includes a 2G unit 31 for encrypting and packetizing data, a 2G SIM card 32 for communicating with a 2G base station, and a 2G antenna 33 for transmitting information to the 2G base station.

Based on 2G (GSM) communication technology, erect height 2 meters, in the spacious effective distance 50 meters's scope, the bluetooth signal still can be surveyed, preferably arranges one at every 30~50 meters in the building, adopts three proofings design, adapts to the harsh environmental requirement. The method is suitable for being used as a terminal for acquiring position information when the GPS signal exists outdoors and the accurate positioning is needed.

The 2G transmission module 3 is connected with the MCU module 1 through a UART bus, detects the signal intensity of a Bluetooth device terminal (such as a security bracelet with a BLE Bluetooth function) worn by a constructor through BLE Bluetooth, judges the position of the constructor (whether the constructor is in a detection area), and transmits information to a cloud end platform through a 2G (GPRS) communication technology, so that data can be directly uploaded to the cloud end platform.

The 2G antenna 33 is mainly used for transmitting information to the 2G base station; the 2G SIM card 32 is mainly used for communicating with a 2G base station; the 2G unit 31 is mainly used for data encryption and packaging, and then transmits data through the 2G antenna 33; the bluetooth module 4 is mainly used for receiving and monitoring information from bluetooth terminal equipment. Preferably, the outer shell 8 is provided with a SIM card holder for inserting the 2g SIM card 32.

After the product is started, the 2G network signal is automatically searched, and the network access request is actively sent for 3 times (or other preset times) until the network access is successful. If the network access is not successful for three times, the 2G function is dormant; after 15 minutes (or other preset time), the 2G function automatically wakes up to re-access the network, and the cycle is continued until the network access is successful. The bluetooth module 4 is turned on and continuously receives the bluetooth terminal device information (including ID, power, signal strength) once in 500ms (or other preset time).

After receiving the information of the Bluetooth terminal equipment, the information received by the product directly uploads the data to a server platform (background) through GPRS (2G signal), the interval is 10S (or other preset time) once, and each frame is uplinked according to the maximum data volume of GPRS.

When no Bluetooth terminal equipment is detected to approach (within the detectable range or within the preset signal intensity range), the GPRS function of the product automatically sleeps, the state information of the product is automatically uploaded once every 1 hour (or other preset time), and the power consumption is low. And when the Bluetooth module 4 detects the information of the Bluetooth terminal equipment, immediately awakening the GPRS data uplink of the product.

Example 2: (LoRa transmission module)

With continued reference to fig. 6-7, the data transmission module 3/3 'is set as an LoRa transmission module 3' that includes an LoRa unit 31 'for encrypting and packaging data, and an LoRa antenna 32' for transmitting information to an LoRa base station; the LoRa unit 31 'is electrically connected to the power module 2 through a second LDO unit 33', and the chip type of the second LDO unit is BL 9198-33.

The height of the frame is 2 meters, the effective distance of the frame is 50 meters, the power consumption is ultra-low, the remote communication is realized, the three-prevention design is adopted, and the severe environment requirement is met. The method is suitable for being used as a terminal for acquiring the position information when the position information needs to be acquired under the condition of no GPS signal, such as a new building site with low network signal coverage rate.

LoRa transmission module 3 'is connected with MCU module 1 through the SPI bus, through the signal intensity of the bluetooth equipment terminal (if have BLE bluetooth function's security bracelet) that BLE bluetooth monitoring constructor wore, judges constructor position (whether in the detection area) to upload to LoRaWAN gateway based on LoRa communication technology with information, thereby upload to cloud end platform.

The LoRa antenna 32' is mainly used for sending information to the LoRa base station; the LoRa unit 31 'is mainly used for encrypting and packaging data, and then transmits the data through the LoRa antenna 32'; the bluetooth module 4 is mainly used for receiving and monitoring information from bluetooth terminal equipment.

After the product is started, the LoRa network signal is automatically searched, and the network access request is actively sent for 3 times (or other preset times) until the network access is successful. If the network access is not successful for three times, the LoRa function is dormant, and after 15 minutes (or other preset time), the LoRa function automatically wakes up to re-access the network, and the loop is continued until the network access is successful. The bluetooth module 4 is turned on and continuously receives the bluetooth terminal device information (including ID, power, signal strength) once in 500ms (or other preset time).

After receiving the information of the bluetooth terminal equipment, the information received by the product transmits data to the LoRaWAN gateway through the LoRa transmission module 3' so as to uplink to the server platform (background), the data is transmitted once at an interval of 15S (or other preset time), and each frame is uplinked according to the maximum data volume of the LoRa.

When no Bluetooth terminal equipment is detected to approach (within the detectable range or within the preset signal intensity range), the LoRa function of the product automatically sleeps, the state information of the product is automatically uploaded once every 1 hour (or other preset time), and the power consumption is low. After Bluetooth module 4 detects the information of the Bluetooth terminal device, immediately awaken the LoRa data uplink of the product.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A wireless information acquisition uploading device is characterized by comprising an MCU module, and a power module, a data transmission module, a Bluetooth module and a USB charging debugging interface which are respectively and electrically connected with the MCU module; the Bluetooth module is used for acquiring the strength information of external Bluetooth terminal equipment signals and feeding the strength information back to the MCU module so that the MCU module transmits the information to the background after processing the information through the data transmission module; the data transmission module and the USB charging debugging interface are respectively electrically connected with the power supply module, and the USB charging debugging interface is used for charging and debugging.

2. The wireless information acquisition uploader of claim 1, wherein the data transfer module is a 2G transfer module comprising a 2G unit for encrypting and packetizing data, a 2G sim card for communicating with a 2G base station, and a 2G antenna for transmitting information to the 2G base station.

3. The wireless information acquisition uploader according to claim 1, wherein the data transmission module is a LoRa transmission module, which includes a LoRa unit for encrypting and packaging data, and a LoRa antenna for transmitting information to a LoRa base station; the LoRa unit is electrically connected with the power module through the second LDO unit.

4. The wireless information acquisition uploader according to claim 2 or 3, wherein the power module comprises a charging management unit, a rechargeable battery, a power switch, which are electrically connected in sequence; the charging management unit is also electrically connected with the USB charging debugging interface and the MCU module respectively, and the power switch is electrically connected with the data transmission module.

5. The wireless information collection uploader of claim 4, wherein the USB charging debugging interface and the power switch are electrically connected to the MCU module via the first LDO unit, respectively.

6. The wireless information collection uploader of claim 1, wherein the bluetooth module employs BLE bluetooth communication.

7. The wireless information acquisition uploader according to claim 4, wherein the MCU module, the charging management unit, the data transmission module and the Bluetooth module are integrated on the same PCB, and the PCB and the rechargeable battery are disposed in an outer housing; the USB charging debugging interface and the power switch are embedded in the back of the shell.

8. The wireless information collection uploader according to claim 2 or 3, further comprising a power indicator for indicating a power on/off status and a network indicator for indicating a network access status.