CN219459088U

CN219459088U - Multifunctional composite data gateway circuit and gateway device suitable for environment monitoring

Info

Publication number: CN219459088U
Application number: CN202223444917.XU
Authority: CN
Inventors: 梁进学; 宋立; 吕永鑫; 邹凯; 胡胜伟; 季青川; 张曼; 程浪; 车轮飞; 王开康; 钟骏; 王小飞
Original assignee: State Grid Hubei Comprehensive Energy Service Co ltd; China Railway Siyuan Survey and Design Group Co Ltd; Wuhan Metro Group Co Ltd
Current assignee: State Grid Hubei Comprehensive Energy Service Co ltd; China Railway Siyuan Survey and Design Group Co Ltd; Wuhan Metro Group Co Ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-08-01
Anticipated expiration: 2032-12-22

Abstract

The utility model discloses a multifunctional composite data gateway circuit and a gateway device suitable for environment monitoring, wherein the multifunctional composite data gateway circuit suitable for environment monitoring comprises a plurality of signal conditioning circuits, a plurality of interface circuits, an Ethernet input circuit, an AD conversion circuit, a controller, a radio frequency circuit and a WIFI circuit; the signal conditioning circuits, the interface circuits, the Ethernet input circuit, the A/D conversion circuit, the radio frequency circuit and the WIFI circuit are all connected with the controller. The technical proposal of the utility model has rich interfaces, and all interfaces are connected with the controller, thereby being convenient for unifying protocols.

Description

Multifunctional composite data gateway circuit and gateway device suitable for environment monitoring

Technical Field

The utility model relates to the technical field of environment monitoring, in particular to a multifunctional composite data gateway circuit and a gateway device suitable for environment monitoring.

Background

Environmental monitoring has higher and higher requirements on various parameters, but the existing environmental monitoring device has fewer interfaces and is very inconvenient.

The foregoing is provided merely for the purpose of facilitating understanding of the technical solutions of the present utility model and is not intended to represent an admission that the foregoing is prior art.

Disclosure of Invention

The utility model mainly aims to provide a multifunctional composite data gateway circuit and a control device suitable for environment monitoring, and aims to solve the technical problem of few interfaces of the existing environment monitoring device.

In order to achieve the above objective, the present utility model provides a multifunctional composite data gateway circuit suitable for environmental monitoring, where the multifunctional composite data gateway circuit suitable for environmental monitoring includes a plurality of signal conditioning circuits, a plurality of interface circuits, an ethernet input circuit, an AD conversion circuit, a controller, a radio frequency circuit, and a WIFI circuit; the interface circuits, the Ethernet input circuit, the A/D conversion circuit, the radio frequency circuit and the WIFI circuit are all connected with the controller, and the signal conditioning circuits are connected with the controller through the AD conversion circuit.

Preferably, the plurality of signal conditioning circuits comprise a 4-20 mA signal conditioning circuit and a 0-10V signal conditioning circuit.

Preferably, the signal conditioning circuit comprises 2 4-20 mA signal conditioning circuits and 2 0-10V signal conditioning circuits.

Preferably, the 4-20 mA signal conditioning circuit comprises a first resistor, a second resistor, a third resistor and a first operational amplifier; wherein a first end of the first resistor receives an input signal, and a second end of the first resistor is grounded; the first end of the second resistor is connected with the first end of the first resistor, the second end of the second resistor is connected with the non-inverting input end of the first operational amplifier, the inverting input end of the first operational amplifier is connected with the first end of the third resistor, and the second end of the third resistor is also connected with the output end of the first operational amplifier.

Preferably, the first operational amplifier is of model TL064B.

Preferably, the plurality of interface circuits includes an RS485 interface circuit and an MBus interface circuit.

Preferably, the radio frequency circuit adopts a Lora communication module.

Preferably, the controller is a CPU chip.

Preferably, the CPU chip model is STM32MP157.

In order to achieve the above object, the present utility model also proposes a gateway device, the control device comprising a multifunctional composite data gateway circuit suitable for environmental monitoring as described above.

The utility model provides a multifunctional composite data gateway circuit suitable for environment monitoring, which comprises a plurality of signal conditioning circuits, a plurality of interface circuits, an Ethernet input circuit, an AD conversion circuit, a controller, a radio frequency circuit and a WIFI circuit, wherein the signal conditioning circuits are connected with the interface circuits; the signal conditioning circuits, the interface circuits, the Ethernet input circuit, the A/D conversion circuit, the radio frequency circuit and the WIFI circuit are all connected with the controller. The technical proposal of the utility model has rich interfaces, and all interfaces are connected with the controller, thereby being convenient for unifying protocols.

Drawings

FIG. 1 is a block diagram of an embodiment of a multifunctional composite data gateway circuit for environmental monitoring according to the present utility model;

FIG. 2 is a schematic circuit diagram of an embodiment of the 4-20 mA signal conditioning circuit in FIG. 1;

FIG. 3 is a schematic circuit diagram of an embodiment of the 0-10V signal conditioning circuit of FIG. 1;

FIG. 4 is a schematic circuit diagram of an embodiment of the RS485 interface circuit in FIG. 1;

fig. 5 is a schematic circuit diagram of an embodiment of the MBUS interface circuit in fig. 1.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the technical solutions should be considered that the combination does not exist and is not within the scope of protection claimed by the present utility model. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The utility model provides a multifunctional composite data gateway circuit suitable for environment monitoring.

Referring to fig. 1, the multifunctional composite data gateway circuit suitable for environment monitoring in the present utility model includes a plurality of signal conditioning circuits, a plurality of interface circuits, an ethernet input circuit, an AD conversion circuit, a controller, a radio frequency circuit and a WIFI circuit; the interface circuits, the Ethernet input circuit, the A/D conversion circuit, the radio frequency circuit and the WIFI circuit are all connected with the controller, and the signal conditioning circuits are connected with the controller through the AD conversion circuit. In this embodiment, the AD conversion circuit performs analog-to-digital conversion using an AD7607 chip.

Referring to fig. 2, the externally input current signal needs to be converted into a voltage signal before being input to the a/D conversion chip for analog/digital conversion. In this embodiment, the signal conditioning circuit, the plurality of interface circuits, the ethernet input circuit, the AD conversion circuit, the controller, the radio frequency circuit, and the WIFI circuit are all disposed on the circuit board. The technical proposal of the utility model has rich interfaces, and all interfaces are connected with the controller, thereby being convenient for unifying protocols.

Referring to fig. 2, in the present embodiment, the plurality of signal conditioning circuits includes 2 signal conditioning circuits of 4-20 mA;

referring to fig. 3,2 0-10V signal conditioning circuits are shown. It will be appreciated that extensions may also be made as actually needed.

Referring to fig. 2, the 4-20 mA signal conditioning circuit includes a first resistor R20, a second resistor R19, a third resistor R22, and a first operational amplifier U1D; wherein a first end of the first resistor R20 receives an input signal, and a second end of the first resistor R20 is grounded; the first end of the second resistor R19 is connected with the first end of the first resistor R20, the second end of the second resistor R19 is connected with the non-inverting input end of the first operational amplifier U1D, the inverting input end of the first operational amplifier U1D is connected with the first end of the third resistor R22, and the second end of the third resistor R22 is also connected with the output end of the first operational amplifier U1D. Preferably, the first operational amplifier is of model TL064B.

Referring to fig. 4 and fig. 5, in this embodiment, the plurality of interface circuits includes an RS485 interface circuit and an MBus interface circuit, and the radio frequency circuit adopts a Lora communication module. In this embodiment, the controller is a CPU chip, and the model of the CPU chip is STM32MP157.

To achieve the above object, the present utility model also proposes a gateway device comprising a multifunctional composite data gateway circuit suitable for environmental monitoring as described above.

It should be understood that the foregoing is illustrative only and is not limiting, and that in specific applications, those skilled in the art may set the utility model as desired, and the utility model is not limited thereto.

It should be noted that the above-described working procedure is merely illustrative, and does not limit the scope of the present utility model, and in practical application, a person skilled in the art may select part or all of them according to actual needs to achieve the purpose of the embodiment, which is not limited herein.

Furthermore, it should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.

The foregoing embodiment numbers of the present utility model are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.

The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.

Claims

1. The multifunctional composite data gateway circuit suitable for environment monitoring is characterized by comprising a plurality of signal conditioning circuits, a plurality of interface circuits, an Ethernet input circuit, an AD conversion circuit, a controller, a radio frequency circuit and a WIFI circuit; the interface circuits, the Ethernet input circuit, the A/D conversion circuit, the radio frequency circuit and the WIFI circuit are all connected with the controller, and the signal conditioning circuits are connected with the controller through the AD conversion circuit.

2. The environment-friendly multifunctional composite data gateway circuit according to claim 1, wherein the plurality of signal conditioning circuits comprises a 4-20 mA signal conditioning circuit and a 0-10V signal conditioning circuit.

3. The multifunctional composite data gateway circuit suitable for environmental monitoring according to claim 2, wherein the signal conditioning circuits comprise 2 4-20 mA signal conditioning circuits and 2 0-10V signal conditioning circuits.

4. The multifunctional composite data gateway circuit applicable to environment monitoring according to claim 2, wherein the 4-20 mA signal conditioning circuit comprises a first resistor, a second resistor, a third resistor and a first operational amplifier; wherein a first end of the first resistor receives an input signal, and a second end of the first resistor is grounded; the first end of the second resistor is connected with the first end of the first resistor, the second end of the second resistor is connected with the non-inverting input end of the first operational amplifier, the inverting input end of the first operational amplifier is connected with the first end of the third resistor, and the second end of the third resistor is also connected with the output end of the first operational amplifier.

5. The environment monitoring compliant multifunctional composite data gateway circuit of claim 4 wherein said first operational amplifier is model TL064B.

6. The environment-friendly multifunctional composite data gateway circuit of claim 1 wherein the plurality of interface circuits comprises an RS485 interface circuit and an MBus interface circuit.

7. The environment-friendly multifunctional composite data gateway circuit of claim 1 wherein the radio frequency circuit employs a Lora communication module.

8. The environment monitoring adaptable multifunctional composite data gateway circuit of claim 1, wherein the controller is a CPU chip.

9. A multifunctional composite data gateway circuit for environmental monitoring as defined in claim 8, wherein said CPU chip model is STM32MP157.

10. A gateway device comprising a multifunctional composite data gateway circuit adapted for environmental monitoring as claimed in any one of claims 1 to 9.