CN210113890U

CN210113890U - Multimode wireless sensor concentrator and agricultural irrigation system

Info

Publication number: CN210113890U
Application number: CN201920737071.8U
Authority: CN
Inventors: 曾晖
Original assignee: Shenzhen Langtuo Technology Co ltd
Current assignee: Shenzhen Langtuo Technology Co ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-02-28
Anticipated expiration: 2029-05-22

Abstract

The utility model discloses a multimode wireless sensor concentrator and an agricultural irrigation system, wherein the multimode wireless sensor concentrator comprises a controller, and the controller is provided with a plurality of serial port interfaces and a Serial Peripheral Interface (SPI); the serial port interface is in communication connection with the first wireless communicator, and the SPI interface is in communication connection with the LORA communicator. The agricultural irrigation system comprises a plurality of groups of sensors, an irrigation machine, a multi-mode wireless sensor concentrator and a cloud server; the multi-mode wireless sensor concentrator comprises a plurality of groups of sensors, an irrigation machine, a motor control circuit, a cloud server, a first wireless communicator or a LORA communicator, wherein the plurality of groups of sensors are connected with the multi-mode wireless sensor concentrator, the irrigation machine is electrically connected with the motor control circuit, and the cloud server is in communication connection with the first wireless communicator or the LORA communicator of the multi-mode. The technology can carry out data transmission under an operator wireless network and private network transmission without the operator wireless network layout through the combined design of the first wireless communicator and the LORA communicator. In addition, the irrigation system can be controlled through the multi-mode wireless sensor concentrator, the number of controllers is reduced, and the use is convenient.

Description

Multimode wireless sensor concentrator and agricultural irrigation system

Technical Field

The utility model belongs to the technical field of wireless sensor concentrator technique and specifically relates to a wireless dark ware concentrator and agricultural irrigation system of leaving a port of multimode.

Background

With the development of the internet of things, the transmission technologies of the wireless transmission part in the aspect of the internet of things gateway include technologies such as GPRS, NB-IOT and LORA. But it is often required to apply to different transmission technologies due to different network conditions and usage scenarios. While conventional wireless switch technology often supports only one transmission technology for a wireless hub, the standards of these wireless technologies may still not be able to perform wireless communication in some communication areas. In addition, in some situations, some devices need to be controlled, and another controller is needed to control the devices.

In view of the situation that the above-mentioned wireless hub only supports one communication mode, there is a technology of multi-mode wireless hub, for example, patent publication No. CN104980282A entitled a communication hub system discloses a technical solution that includes a wireless communication unit, a power line communication unit and a host unit, the wireless communication unit supports multiple preset wireless standards, the wireless network selects a wireless standard corresponding to a target communication device according to a time division multiplexing rule to receive and transmit signals, the power line communication unit supports at least one preset power line standard to receive and transmit signals through a power line, the host unit controls and selects the power line communication unit and/or the wireless communication unit to receive or transmit signals under the target standard, and can select a proper communication mode to communicate according to different signal transmission conditions and different communication devices, and the compatibility and interoperability of the communication method are improved. The technology realizes the data transmission without network layout, but has some problems, such as being still unavailable in some places without power layout.

Therefore, the above technical problem needs to be solved.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's not enough, the utility model provides a multimode wireless sensor concentrator and agricultural irrigation system, aim at realizes multimode wireless communication, guarantees at the local unable problem that realizes data transmission that does not have operator wireless network overall arrangement and electric power overall arrangement.

In order to solve the technical problem, the utility model provides a basic technical scheme does:

a multi-mode wireless sensor concentrator comprises a controller, a plurality of wireless sensors and a plurality of wireless communication modules, wherein the controller is provided with a plurality of serial port interfaces and SPI interfaces; one of the serial port interfaces is in communication connection with a first wireless communicator, and the SPI interface is in communication connection with a LORA communicator.

Further, the first wireless communicator is an NB-IOT communicator or/and a GPRS communicator.

Further, the controller is connected with the positioner through a serial port interface.

Further, the controller is electrically connected with the power supply device.

Furthermore, the power supply device comprises a charging circuit, an electricity storage battery and a solar panel, wherein the charging circuit is electrically connected with the electricity storage battery, the charging circuit is electrically connected with the controller through a GPIO (general purpose input/output) interface of the controller, and the charging circuit is electrically connected with the solar panel.

Further, the controller is connected with a SIM card slot.

Furthermore, the controller is connected with a motor control circuit, and the motor control circuit is used for being electrically connected with an external motor.

Furthermore, the controller is connected with a power output device, and the power output device is used for connecting the external sensor and providing power for the external sensor needing to work according to the control of the controller.

In addition, the utility model also provides an agricultural irrigation system based on multimode wireless sensor concentrator, including a plurality of groups of sensors, irrigation machine, multimode wireless sensor concentrator and cloud server; the irrigation machine is electrically connected with the motor control circuit, and the cloud server is in communication connection with a first wireless communicator or a LORA communicator of the multimode wireless sensor hub.

The utility model has the advantages that:

the technical scheme of the utility model discloses a multimode wireless sensor concentrator and agricultural irrigation system, wherein the multimode wireless sensor concentrator comprises a controller, the controller is provided with a plurality of serial interfaces and SPI interfaces; one of the serial port interfaces is in communication connection with a first wireless communicator, and the SPI interface is in communication connection with a LORA communicator. The agricultural irrigation system comprises a plurality of groups of sensors, an irrigation machine, a multi-mode wireless sensor concentrator and a cloud server; the irrigation machine is electrically connected with the motor control circuit, and the cloud server is in communication connection with a first wireless communicator or a LORA communicator of the multimode wireless sensor hub. The technology ensures that data transmission is still realized under the condition of no network layout and no power layout through the combined design of the first wireless communicator and the LORA communicator. In addition, the irrigation system can be controlled through the multi-mode wireless sensor concentrator, the number of controllers is reduced, and the use is convenient.

Drawings

Fig. 1 is one of schematic structural diagrams of a multi-mode wireless sensor hub according to the present invention;

FIG. 2 is a second schematic diagram of a multi-mode wireless sensor hub;

FIG. 3 is a circuit diagram of a multimode wireless sensor hub;

fig. 4 is a schematic view of an agricultural irrigation system.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 4, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

Referring to fig. 1 to 3, a multi-mode wireless sensor hub includes a controller 1, where the controller 1 has a plurality of serial interfaces and SPI interfaces; one of the serial port interfaces is in communication connection with a first wireless communicator 2, and the SPI interface is in communication connection with a LORA communicator 3. The embodiment may interact with the external communication device through the first wireless communicator 2 or the LORA communicator to realize data transmission. The communication with the external equipment can be realized through the first wireless communicator 2 in the area with the net; in an area without a network, the LORA communicator 3 can be used for communicating with external equipment, so that the multi-mode wireless sensor hub can be used in multiple occasions, and configuration and switching can be realized according to the actual network condition. Wherein the first wireless communicator 2 is a communication module implementing a wide area wireless network standard based on cellular technology. In practical use, the controller 1 may perform the usage setting of the first wireless communicator 2 and the LORA communicator 3 according to a preset scheme to realize normal communication connection, wherein the controller 1 is realized by a known technology in the present embodiment, for example, the controller of model STM32F103CBT6TR, and the controller 1 thereof also adopts the existing technology. This technical scheme adopts two mould designs promptly to satisfy the normal use of concentrator, has greatly made things convenient for the popularization of internet of things.

Preferably, the first wireless communicator 2 of this embodiment is an NB-IOT communicator or a GPRS communicator. That is, the first wireless communicator 2 may adopt one of an NB-IOT communicator and a GPRS communicator, or the first wireless communicator 2 integrates an NB-IOT communication module and a GPRS communication module, and when in use, one of them is specifically selected by the controller 1 for communication. Of course, the control is also realized by the prior art. GPRS belongs to the technology of cellular Internet of things of the old generation, NB-IOT belongs to the technology of remote communication of the new generation, and the effective communication distance can reach within 5-10 kilometers. The NB-IOT is different from GPRS in that the NB-IOT has lower power consumption than GPRS and has higher coverage distance than GPRS, thus solving the problems of troublesome power supply and coverage in many application fields. Therefore, the integrated design of the two is adopted in the specific embodiment to meet different use conditions.

Referring to fig. 2, in some embodiments, the controller 1 is connected to the positioner 4 via a serial interface. Namely, the working position of the multi-mode wireless sensor concentrator can be obtained through the locator 4, and good information is provided for the layout and monitoring of the internet of things. The preferred locator 4 may be a GPS locator or a beidou locator or a combination of both.

Since there are many uncertainties in the application of the multi-mode wireless sensor hub, and various hardware measures are incomplete, it is difficult to ensure the power utilization of the multi-mode wireless sensor hub and the power supply of the sensor, the controller 1 is electrically connected to the power supply device 5 in this embodiment. The controller 1 is connected with a power output device 8, and the power output device 8 is used for connecting with an external sensor and providing power for the external sensor needing to work according to the control of the controller 1. The multimode wireless sensor hub is supplied with power on the one hand and the connected sensors on the other hand by the power supply device 5. Specifically, in this embodiment, the controller 1 controls to supply power to the corresponding sensor only when the sensor needs to acquire sensing information or works, and the sensor that does not need to acquire data or work is powered off, so that energy consumption can be reduced, and specifically, the controller 1 is also controlled by using the prior art.

In detail, the power supply device 5 includes a charging circuit 51, a storage battery 52 and a solar panel 53, the charging circuit 51 is electrically connected to the storage battery 52 to implement power transmission, the charging circuit 51 is electrically connected to the controller 1 through a GPIO interface of the controller 1, and the charging circuit 51 is electrically connected to the solar panel 53. This embodiment realizes charging through solar energy technology promptly, guarantees the continuation of power consumption. Of course, the charging circuit 51 may also be provided with a DC or AC power interface to realize charging and power supply by an external power source.

In order to enrich the functions of the multi-mode wireless sensor concentrator, the controller 1 is connected with a motor control circuit 7, and the motor control circuit 7 is used for being electrically connected with an external motor. Namely, the multi-mode wireless sensor hub has the functions of connecting an external execution mechanism and controlling the execution mechanism. In particular, the present embodiment can be used to control the functions of a small, low-power motor. The motor control circuit 7 may be implemented using known techniques to satisfy the control of the motor. The function of concentrator has been richened through this technique, is particularly useful for agricultural irrigation technical field.

In a word, the technical scheme integrates the first wireless communicator 2 and the LORA communicator 3, so that data transmission under an operator network and private network transmission without operator network layout can be realized, the use of a concentrator is met, and the application of the Internet of things can be boosted.

In addition, referring to fig. 4, the present invention further provides an agricultural irrigation system based on a multi-mode wireless sensor hub, which includes a plurality of sets of sensors 10, an irrigation machine 20, a multi-mode wireless sensor hub 30 and a cloud server 40; the plurality of groups of sensors 10 are connected with the multimode wireless sensor hub 30, the irrigation machine 20 is electrically connected with the motor control circuit 7, and the cloud server 40 is in communication connection with the first wireless communicator 2 or the LORA communicator 3 of the multimode wireless sensor hub 30. In this embodiment, the multi-mode wireless sensor hub 30 includes a controller 1, where the controller 1 has a plurality of serial interfaces and SPI interfaces; one of them serial port interface and a wireless communication ware 2 communication connection, SPI interface and a LORA communicator 3 communication connection, controller 1 is connected with motor control circuit 7. By the aid of the technology, the multi-mode wireless sensor concentrator can control the irrigation machine 20 when acquiring sensor data, so that a controller of the irrigation machine 20 can be saved, cost is saved, and wiring is very convenient. The sensors 10 may be temperature and humidity sensors, air quality, light intensity, etc., and the controller 1 may control the humidity required by different plants to control the length of irrigation time according to the data, so as to control the operation of the irrigation machine 20.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. A multimode wireless sensor concentrator, includes controller (1), and this controller (1) has a plurality of serial ports interface and SPI interface, its characterized in that:

one of the serial port interfaces is in communication connection with a first wireless communicator (2), and the SPI interface is in communication connection with a LORA communicator (3).

2. The multi-mode wireless sensor hub of claim 1, wherein:

the first wireless communicator (2) is an NB-IOT communicator or/and a GPRS communicator.

3. A multimode wireless sensor hub according to claim 1 or 2, wherein:

the controller (1) is connected with the positioner (4) through a serial port interface.

4. A multimode wireless sensor hub according to claim 1 or 2, wherein:

the controller (1) is electrically connected with the power supply device (5).

5. The multi-mode wireless sensor hub of claim 4, wherein:

the power supply device (5) comprises a charging circuit (51), a storage battery (52) and a solar panel (53), wherein the charging circuit (51) is electrically connected with the storage battery (52), the charging circuit (51) is electrically connected with the controller (1) through a GPIO (general purpose input/output) interface of the controller (1), and the charging circuit (51) is electrically connected with the solar panel (53).

6. A multimode wireless sensor hub according to claim 1 or 2, wherein:

the controller (1) is connected with a SIM card slot (6).

7. A multimode wireless sensor hub according to claim 1 or 2, wherein:

the controller (1) is connected with a motor control circuit (7), and the motor control circuit (7) is used for being electrically connected with an external motor.

8. A multimode wireless sensor hub according to claim 1 or 2, wherein:

the controller (1) is connected with a power output device (8), and the power output device (8) is used for connecting an external sensor and supplying power to the external sensor needing to work according to the control of the controller (1).

9. An agricultural irrigation system based on a multi-mode wireless sensor hub, comprising:

a number of sets of sensors (10);

an irrigation machine (20);

a multimode wireless sensor hub (30) according to claim 7; and

a cloud server (40);

the irrigation machine (20) is electrically connected with the motor control circuit (7), and the cloud server (40) is in communication connection with the first wireless communicator (2) or the LORA communicator (3) of the multimode wireless sensor hub (30).