Universal perception internet-of-things system suitable for multiple access protocols

Abstract

The utility model discloses a generic perception Internet of Things system suitable for multiple access protocols, which relates to the technical field of Internet of Things, and comprises a front-end detection module and an intelligent cloud platform, the front-end detection module is suitable for collecting front-end equipment data, the equipment data is sent to an interface gateway through the Ethernet, and the interface gateway is used for sending the equipment data to the intelligent cloud platform; the interface gateway is used for linkage and control of a smart cloud platform, the wireless front-end detector is accessed through the wireless transmission module, the wired front-end detector is accessed through the wired transmission module, the wireless transmission module comprises NB-IOT wireless equipment and a LoRa gateway, and the wired transmission module comprises an SES wired receiving module and an IDCC wired receiving module. Through the wired and wireless access modes, the equipment data detected by the front-end detection module is finally sent to the interface gateway through the Ethernet, and is further transmitted to the smart cloud platform through the interface gateway, so that multiple data transmission modes are realized, and the applicability and expandability of the Internet of Things system are greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of Internet of Things, and in particular to a pan-sensing Internet of Things system applicable to multiple access protocols. Background Art

[0002] The English name of the Internet of Things is "The Internet of Things". It is a network that connects any object to the Internet through information sensing devices such as radio frequency identification, infrared sensing, global positioning system, laser scanner, etc., according to the agreed protocol, to exchange information and communicate, so as to realize the intelligent identification, positioning, tracking, monitoring and management of objects. As the name suggests, the Internet of Things system in the logistics field refers to the combination of logistics equipment and the Internet through various information sensor devices to form a more intelligent Internet of Things system, which meets and serves the needs of human activities for remote tracking, monitoring and monitoring of mobile logistics equipment. The current Internet of Things system has a single access protocol and cannot support the simultaneous access of wireless front-end detectors and wired front-end detectors, and has poor scalability. Utility Model Content

[0003] The utility model provides a pan-sensing Internet of Things system applicable to multiple access protocols, aiming to solve the problem in the prior art that it is unable to support simultaneous access of wireless front-end detectors and wired front-end detectors and has poor scalability.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] The utility model is a pan-sensing IoT system applicable to multiple access protocols, including a front-end detection module and a smart cloud platform. The front-end detection module is suitable for collecting front-end device data, and the device data is sent to an interface gateway via Ethernet. The interface gateway is used for linkage and control of the smart cloud platform;

[0006] The front-end detection module includes several wireless front-end detectors and several wired front-end detectors, wherein the wireless front-end detectors are connected through the wireless transmission module, and the wired front-end detectors are connected through the wired transmission module. The wireless transmission module includes NB-IOT wireless devices and LoRa gateways, and the wired transmission module includes SES wired receiving modules and IDCC wired receiving modules. By setting up wireless full-segment detectors and wired front-end detectors, multiple front-end detection modules can be supported;

[0007] The LoRa gateway and wireless front-end detectors are distributed in each detection area in a one-to-many manner, and coordinate communication with the LoRa server through the network;

[0008] The SES wired receiving module, IDCC wired receiving module and wired front-end detector are connected through wired terminals and installed near each wired front-end detector area to send detection data to the outside through the network;

[0009] NB-IOT wireless devices send data to the NB-IOT server through the 2G network and then receive it from the MQTT protocol conversion server.

[0010] Preferably, the SES wired receiving module is accessed with 16 wired switch quantities, and the IDCC is accessed with 8 analog data channels.

[0011] Preferably, the servers of the NB-IOT wireless device, the LoRa gateway, and the SES wired receiving module are all connected to the MQTT conversion server via a network.

[0012] As a preferred embodiment, the LoRa gateway includes a LoRa indoor gateway and a LoRa outdoor gateway. The maximum output power of the LoRa indoor gateway is 27dBm, and the communication data rate is The supported frequency band is 470MHz / 510MHz. The maximum output power, communication data rate, and supported frequency band of the LoRa outdoor gateway are the same as those of the LoRa indoor gateway.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The front-end detection module in the utility model includes a plurality of wireless front-end detectors and a plurality of wired front-end detectors. The wireless front-end detectors are accessed through the wireless transmission module, and the wired front-end detectors are accessed through the wired transmission module. The wireless transmission module includes NB-IOT wireless devices and LoRa gateways. The wired transmission module includes SES wired receiving modules and IDCC wired receiving modules. Through the above-mentioned wired and wireless access methods, the device data detected by the front-end detection module is finally sent to the interface gateway through Ethernet, and is further transmitted to the smart cloud platform through the interface gateway, thereby realizing a variety of data transmission methods and greatly improving the applicability and scalability of the Internet of Things system. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the Internet of Things system of the utility model;

[0016] Figure 2 This is a system block diagram of the utility model;

[0017] Figure 3 This is a system block diagram of the wireless transmission module in the utility model;

[0018] Figure 4 This is a system block diagram of the wired transmission module in the present utility model. DETAILED DESCRIPTION

[0019] The following will be combined with the accompanying drawings to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0020] Example 1

[0021] like Figure 1 As shown, a pan-sensing IoT system suitable for multiple access protocols includes a front-end detection module and a smart cloud platform. The front-end detection module is suitable for collecting front-end device data. The device data is sent to the interface gateway via Ethernet. The interface gateway is used for linkage and control of the smart cloud platform. The interface gateway supports the standard intelligent integrated service device docking service interface protocol and supports network communication protocol forwarding for non-media (audio and video) products.

[0022] The front-end detection module includes several wireless front-end detectors and several wired front-end detectors, including smoke detectors, door magnetic detectors, manhole cover detectors, flame detectors, fire water pressure detectors, fire road occupation detectors, water, electricity and gas data devices, water pressure detectors, and elevator operation detectors. The above detectors can be wireless detectors and wired detectors.

[0023] The wireless front-end detector is connected through the wireless transmission module, and the wired front-end detector is connected through the wired transmission module. The wireless transmission module includes NB-IOT wireless equipment and LoRa gateway. The wired transmission module includes SES wired receiving module and IDCC wired receiving module. The LoRa gateway includes LoRa indoor gateway and LoRa outdoor gateway.

[0024] The LoRa gateway and wireless front-end detectors are distributed in each detection area in a one-to-many manner, and coordinate communication with the LoRa server through the network;

[0025] The SES wired receiving module, IDCC wired receiving module and wired front-end detector are connected through wired terminals and installed nearby in each wired front-end detector area. The SES wired receiving module supports 16-channel wired switch quantity access, and the IDCC wired receiving module supports 8-channel analog data (4-20ma) access. Finally, the detection data is sent to the outside through the network (RJ45);

[0026] NB-IOT wireless devices send data to the NB-IOT server through the 2G network and then receive it from the MQTT protocol conversion server.

[0027] Example 2

[0028] NB-IOT wireless devices, LoRa gateways, and SES wired receiving module servers are all connected to the MQTT conversion server through the network. In addition, the standard LoRa protocol, various interface module protocols, and other equipment protocols that can be expanded in the future (intercom, access control, alarm, etc.) are converted into smart device integration protocols through the MQTT conversion server to complete the interconnection with the smart cloud platform.

[0029] In this embodiment, the technical parameters of the LoRa gateway are as follows: maximum output power 27dBm, high sensitivity, sensitivity reaches -141dBm at 300bps rate, half-duplex mode is supported under LoRaWAN communication, LoRaWAN uplink: 8 ordinary multi-spreading factor channels (SF7 to SF12, 125kHz), 1 single spreading factor high-speed data transmission channel and 1 GFSK channel, LoRaWAN downlink: 1 ordinary channel (125kHz / 250kHz / 500kHz, LoRa configurable or GFSK) communication data rate Supports LoRaWAN Class A / C, 10 / 100M Ethernet network connection, capacity: 500-1000 switch-type terminals, one LoRaWAN antenna, the LoRaWAN antenna gain is 0dBi by default, DC 12V input, and supported frequency bands: 470MHz / 510MHz.

[0030] The technical parameters of the LoRa gateway are as follows: maximum output power: 27dBm, high receiving sensitivity: -141dBm@300bps, half-duplex LoRaWAN communication, LoRaWAN uplink: 8 multi-rate LoRa channels (SF7 to SF12, 125kHz), 1 independent LoRa high-rate channel and one GFSK channel, LoRaWAN downlink: 1 independent channel (LoRa125kHz / 250kHz / 500kHz configurable or GFSK), communication rate: 292bps~50kbps, support LoRaWAN Class A / C, LoRaWAN antenna gain: default 3dBi, 10 / 100M Ethernet network connection, capacity: 500-1000 switch-type terminals, can achieve 1~3Km coverage radius in cities, 5~10Km coverage radius in open areas, industrial-grade operating temperature: -40℃ to +75℃, electrostatic protection: contact discharge 8kv, air discharge 16kv, working frequency band: 470MHz / 510MHz.

[0031] The LoRaWAN server parameters are: support standard LoRaWAN protocol, uplink and downlink data with response, support rate adaptation (ADR), support gateway management and statistics, capacity: 10 LoRa indoor and outdoor gateways, dual network port design, full-duplex communication, support local upgrade and server remote upgrade, support log storage, support local time setting, and support remote administrator login.

[0032] The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any changes or modifications made by any technician in the field of the present invention are included in the patent scope of the present invention.

Claims

1. A pan-sensing IoT system applicable to multiple access protocols, characterized in that: It includes a front-end detection module and a smart cloud platform. The front-end detection module is suitable for collecting front-end device data. The device data is sent to the interface gateway via Ethernet. The interface gateway is used for linkage and control of the smart cloud platform. The front-end detection module includes several wireless front-end detectors and several wired front-end detectors, wherein the wireless front-end detectors are connected through the wireless transmission module, and the wired front-end detectors are connected through the wired transmission module. The wireless transmission module includes NB-IOT wireless devices and LoRa gateways, and the wired transmission module includes SES wired receiving modules and IDCC wired receiving modules. The LoRa gateway and wireless front-end detectors are distributed in each detection area in a one-to-many manner, and coordinate communication with the LoRa server through the network; The SES wired receiving module, IDCC wired receiving module and wired front-end detector are connected through wired terminals and installed near each wired front-end detector area to send detection data to the outside through the network; NB-IOT wireless devices send data to the NB-IOT server through the 2G network and then receive it from the MQTT protocol conversion server.

2. According to claim 1, a pan-sensing IoT system applicable to multiple access protocols is characterized in that: The SES wired receiving module is connected with 16 wired switch quantities, and the IDCC is connected with 8 analog data channels.

3. The ubiquitous sensing IoT system applicable to multiple access protocols according to claim 1, characterized in that: The servers of NB-IOT wireless devices, LoRa gateways, and SES wired receiving modules are all connected to the MQTT conversion server through the network.

4. The ubiquitous sensing IoT system applicable to multiple access protocols according to claim 1, characterized in that: LoRa gateways include LoRa indoor gateways and LoRa outdoor gateways.

5. The ubiquitous sensing IoT system applicable to multiple access protocols according to claim 4, characterized in that: The maximum output power of the LoRa indoor gateway is 27dBm, and the communication data rate is , supporting frequency bands are 470MHz / 510MHz.

6. The ubiquitous sensing IoT system applicable to multiple access protocols according to claim 5, characterized in that: The maximum output power, communication data rate, and supported frequency band of the LoRa outdoor gateway are the same as those of the LoRa indoor gateway.

7. The ubiquitous sensing IoT system applicable to multiple access protocols according to claim 4, characterized in that: The LoRa indoor gateway and the LoRa outdoor gateway both support half-duplex LoRaWAN communication.

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