CN211429309U

CN211429309U - Unattended system with Bluetooth intelligent module

Info

Publication number: CN211429309U
Application number: CN201922146362.2U
Authority: CN
Inventors: 岳雪强; 孙杰; 方韬; 朱公庭
Original assignee: Zhejiang Zhuolu Wulian Technology Co ltd
Current assignee: Zhejiang Zhuolu Wulian Technology Co ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-09-04
Anticipated expiration: 2029-12-04

Abstract

The utility model belongs to the technical field of thing allies oneself with communication system, especially, relate to an unmanned on duty system with bluetooth intelligent object, bluetooth intelligent object port wireless intelligence is connected in intelligent terminal, and its another port wireless intelligence is connected in unmanned on duty equipment, the utility model provides a prior art exists because current network environment has the problem of postponing and covering, has the problem of having solved and having relied on the mobile operator network, has also saved the beneficial technological effect of thing networking flow charge and data communication's stability, reliability simultaneously.

Description

Unattended system with Bluetooth intelligent module

Technical Field

The utility model belongs to the technical field of the thing allies oneself with communication system, especially, relate to an unmanned on duty system with bluetooth intelligent object.

Background

The current unmanned on duty equipment cell-phone is online payment scheme, through 2G, 4G, WIFI etc. rely on network operator's network, with the equipment cloud end of connecting, the user sweeps the two-dimensional code when using the cell-phone and accomplishes the payment after, the instruction is issued for unmanned on duty equipment to the cloud end, make its work, provide corresponding service for the user, the work instruction is issued and is arrived unmanned on duty equipment, middle through mobile operator network, under mobile operator network coverage can't reach or the unstable scene of network, there is the problem that work instruction can't issue or issue the time delay, prior art exists because there is the problem of delay and coverage in current network environment.

SUMMERY OF THE UTILITY MODEL

The utility model provides an unmanned on duty system with bluetooth intelligent object to it has because the problem of delaying and covering to have the network environment now to propose prior art in solving above-mentioned background art.

The utility model provides a technical problem adopt following technical scheme to realize: an unattended system with a Bluetooth intelligent module comprises the Bluetooth intelligent module, wherein one port of the Bluetooth intelligent module is wirelessly and intelligently connected with an intelligent terminal, and the other port of the Bluetooth intelligent module is wirelessly and intelligently connected with unattended equipment;

the Bluetooth intelligent module comprises an intelligent transceiver circuit, and the intelligent transceiver circuit comprises a general asynchronous transceiver port TXD transmitting end and an RXD receiving end;

the transmitting end of the TXD is connected to the cathode of a one-way diode D1 through a pull-up resistor R1, the anode of the one-way diode D1 is connected with a main power supply, the transmitting end of the TXD is connected to the source of a MOS tube S1, the drain of the MOS tube S1 is connected to a reference power supply through a resistor R3 and is connected to the gate of a MOS tube S1 through a resistor R5, and the drain of the MOS tube S1 is connected to a TXD port of a radio frequency chip U1;

the RXD receiving terminal is connected to the cathode of a one-way diode D1 through a pull-up resistor R2, the RXD receiving terminal is connected to the source electrode of an MOS tube S2, the drain electrode of the MOS tube S2 is connected to a reference power supply through a resistor R4 and is connected to the grid electrode of an MOS tube S2 through a resistor R6, and the drain electrode of the MOS tube S2 is connected to an RXD port of a radio frequency chip U1;

the wireless port of the radio frequency chip U1 is connected to an on-board antenna F1.

Further, the cathode of the diode D1 is filtered by the capacitor C1 and the capacitor C2.

Further, the reference power supply voltage is a reference voltage of the universal asynchronous receiving and transmitting port.

Further, the wireless intelligent connection comprises a bluetooth intelligent connection.

Further, the radio frequency chip comprises a UART communication interface and an IO control interface.

Further, the radio frequency chip is NRF 52810.

The utility model has the advantages that:

1. one port of the Bluetooth intelligent module is wirelessly and intelligently connected with an intelligent terminal, and the other port of the Bluetooth intelligent module is wirelessly and intelligently connected with unattended equipment; the Bluetooth intelligent module comprises an intelligent transceiving circuit, after the direct connection between the mobile phone applet or the APP and the BLE communication module is kept, the work instruction issuing and the equipment state data uploading are carried out through AES encryption and decryption, the encryption and decryption keys of each BLE communication module are different, the mobile phone applet or the APP of a user scans the two-dimensional code, and the MAC of the BLE communication module is obtained from the system background to initiate connection. After the connection between the mobile phone and the BLE communication module is established, firstly, encryption authentication is needed, and the connection can be maintained only after the authentication is passed, so that the user equipment can be paid; the authentication is not passed through then the disconnection cell-phone and the connection between BLE communication module, unable payment uses equipment, BLE communication module' S MAC address is swept the two-dimensional code that the code used with the user and is carried out one-to-one and is bound at the system backstage, BLE communication module installs on unmanned on duty equipment, through digital communication protocol controlgear, and acquisition equipment state information, simultaneously, this bluetooth intelligent object still provides a transceiver circuit, its circuit structure exchanges data through general asynchronous receiving and dispatching port TXD transmitting terminal and RXD receiving terminal, provide the impedance for the receiving and dispatching both ends through MOS pipe S1 and MOS pipe S2, at the wireless receiving and dispatching data of on-board antenna F1, realize the lug connection communication between cell-phone and the unmanned on duty equipment. After the user mobile phone scans the two-dimensional code to complete payment, the mobile phone end directly sends a working instruction to the equipment, and meanwhile, the equipment state is uploaded to the cloud end through the user mobile phone, so that the problem of dependence on a mobile operator network is solved, and meanwhile, the flow charge of the internet of things is saved.

2. The radio frequency chip is adopted in the patent, the model is NRF52810, the NRF52810 module is a Bluetooth 5.0 patch module designed by NordicnRF52810(QFN32), the chip is a high-cost-performance and low-power-consumption system on chip (Soc) solution, the high-transmission-rate and enhanced broadcast packet extension key characteristics of the two Bluetooth 5 are supported, and the radio frequency chip is also suitable for the application of Bluetooth low power consumption.

3. This patent adopts reference supply voltage is the reference voltage who adapts to the MOS pipe, because two voltages of this circuit structure, one of them is used for the system power supply, and another reference voltage is as the biasing, has both guaranteed communication port's stability, has satisfied the switching characteristic of MOS pipe simultaneously.

4. The mobile phone and the unattended equipment are directly connected and communicated, and stability and reliability of data communication are guaranteed; simultaneously, the data encrypted by the AES greatly increases the difficulty of cracking the Bluetooth communication. The scheme provides a low-cost and safe and reliable Internet of things communication scheme for data communication in unattended business.

Drawings

Fig. 1 is a schematic structural diagram of an unattended system with a bluetooth smart module according to the present invention;

fig. 2 is a circuit diagram of an intelligent transceiver circuit of an unattended system with a bluetooth intelligent module according to the present invention;

Detailed Description

The invention is further described below with reference to the accompanying drawings:

in the figure:

r1-pull-up resistor, D1-one-way diode, S1-source R3-resistor of MOS tube, R5-resistor, U1 radio frequency chip, R2-pull-up resistor, S2-MOS tube, R4-resistor, R6-resistor, S2-MOS tube, F1-on-board antenna, C1-capacitor and C2-capacitor;

example (b):

example (b): as shown in fig. 1 and 2, an unattended system with a bluetooth intelligent module comprises the bluetooth intelligent module, one port of the bluetooth intelligent module is wirelessly and intelligently connected to an intelligent terminal, and the other port of the bluetooth intelligent module is wirelessly and intelligently connected to unattended equipment;

the RXD receiving end is connected to the cathode of a one-way diode D1 through a pull-up resistor R2, the anode of the one-way diode D1 is connected with a main power supply, the RXD receiving end is connected to the source electrode of an MOS tube S2, the drain electrode of the MOS tube S2 is connected to a reference power supply through a resistor R4 and is connected to the grid electrode of an MOS tube S2 through a resistor R6, and the drain electrode of the MOS tube S2 is connected to an RXD port of a radio frequency chip U1;

Further, the reference power supply voltage is a reference voltage adapted to the MOS transistor.

Further, the radio frequency chip is NRF 52810.

The working principle is as follows:

according to the intelligent terminal, one port of the Bluetooth intelligent module is wirelessly and intelligently connected with an intelligent terminal, and the other port of the Bluetooth intelligent module is wirelessly and intelligently connected with unattended equipment; the Bluetooth intelligent module comprises an intelligent transceiving circuit, after the direct connection between the mobile phone applet or the APP and the BLE communication module is kept, the work instruction issuing and the equipment state data uploading are carried out through AES encryption and decryption, the encryption and decryption keys of each BLE communication module are different, the mobile phone applet or the APP of a user scans the two-dimensional code, and the MAC of the BLE communication module is obtained from the system background to initiate connection. After the connection between the mobile phone and the BLE communication module is established, firstly, encryption authentication is needed, and the connection can be maintained only after the authentication is passed, so that the user equipment can be paid; the authentication is not passed through then the disconnection cell-phone and the connection between BLE communication module, unable payment uses equipment, BLE communication module' S MAC address is swept the two-dimensional code that the code used with the user and is carried out one-to-one and is bound at the system backstage, BLE communication module installs on unmanned on duty equipment, through digital communication protocol controlgear, and acquisition equipment state information, simultaneously, this bluetooth intelligent object still provides a transceiver circuit, its circuit structure exchanges data through general asynchronous receiving and dispatching port TXD transmitting terminal and RXD receiving terminal, provide the impedance for the receiving and dispatching both ends through MOS pipe S1 and MOS pipe S2, at the wireless receiving and dispatching data of on-board antenna F1, realize the lug connection communication between cell-phone and the unmanned on duty equipment. After the user's cell-phone swept the two-dimensional code and accomplished the payment, the work order was directly issued for equipment to the cell-phone end, and equipment status is uploaded to the high in the clouds on passing through the user's cell-phone simultaneously, the utility model provides a prior art exist because there is the problem of delaying and covering in current network environment, have the problem of having solved and relying on mobile operator's network, also saved the beneficial technological effect of thing networking flow charge and data communication's stability, reliability simultaneously.

Utilize the technical scheme of the utility model, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. An unattended system with a Bluetooth intelligent module is characterized by comprising the Bluetooth intelligent module, wherein one port of the Bluetooth intelligent module is wirelessly and intelligently connected with an intelligent terminal, and the other port of the Bluetooth intelligent module is wirelessly and intelligently connected with unattended equipment;

2. The unattended system with the Bluetooth smart module according to claim 1, wherein the cathode of the diode D1 is filtered twice through a capacitor C1 and a capacitor C2.

3. The unattended system with the Bluetooth intelligent module according to claim 1, wherein the reference power supply voltage is a reference voltage of an adaptive MOS tube.

4. The unattended system with the bluetooth smart module of claim 1, wherein the wireless smart connection comprises a bluetooth smart connection.

5. The unattended system with the Bluetooth intelligent module according to claim 1, wherein the RF chip comprises a UART communication interface and an IO control interface.

6. The unattended system with the Bluetooth smart module as claimed in claim 1, wherein the radio frequency chip is model NRF 52810.