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Underwater data acquisition controller and underwater junction box

A technology of data acquisition and controller, which is applied in the direction of program control, computer control, general control system, etc., can solve the problem that the rapid isolation and protection of the fault state cannot be guaranteed, and achieve the goal of shortening the protection response time, ensuring accuracy and improving reliability Effect

Inactive Publication Date: 2020-08-04
SHANGHAI HENGTONG MARINE EQUIP CO LTD +1
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  • Claims
  • Application Information

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Problems solved by technology

[0002] The Chinese patent with the notification number CN104615056B discloses a submarine cabled online observation system for marine dynamic environment, which uses CAN bus on site to realize distributed monitoring and management, and CAN communication nodes are designed for each sensor. However, the overall system is subject to the system interface status monitoring board. Once the interface status monitoring board has a functional failure, the status monitoring function of the overall system will fail, and it cannot guarantee fast monitoring under fault conditions. isolated protection

Method used

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  • Underwater data acquisition controller and underwater junction box
  • Underwater data acquisition controller and underwater junction box
  • Underwater data acquisition controller and underwater junction box

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Embodiment 1

[0030] This embodiment discloses an underwater data acquisition controller, referring to figure 1 As shown, it includes a transmission line 10 connecting the power supply end and the underwater sensor 20, and the power supply end transmits power to the underwater sensor 20 through the transmission line 10; it also includes a switch module 30, a detection module 40, a power consumption monitoring module 50 and a fault monitoring Module 60.

[0031] The above-mentioned switch module 30 is used to control the connection or disconnection of the above-mentioned transmission line 10. When the transmission line 10 is connected, the power at the power supply end is transmitted to the underwater sensor 20, and the underwater sensor 20 operates normally to collect data; Sensor 20 is powered off. In a preferred technical solution of the present invention, the switch module 30 preferably includes a relay.

[0032] The detection module 40 is used to detect the electrical signal on the tr...

Embodiment 2

[0060] This embodiment discloses an underwater junction box, which includes a distributed control system composed of multiple underwater data acquisition controllers shown in Embodiment 1 connected in parallel, and multiple underwater data acquisition controllers are connected in parallel to realize Distributed control in the true sense.

[0061] The junction box disclosed in the embodiment of the present invention includes the underwater data acquisition controller disclosed in the first embodiment, so it also has the beneficial effects of the underwater data acquisition controller disclosed in the embodiment of the present invention, which will not be repeated here. At the same time, due to the independent power supply and communication of each underwater data acquisition controller forming the distributed control system of the junction box of the present invention, the number of underwater data acquisition controllers connected in the junction box can be flexibly expanded ac...

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Abstract

The invention discloses an underwater data acquisition controller and an underwater junction box. The underwater data acquisition controller comprises a transmission line connected with a power supplyend and an underwater sensor, a switch module used for controlling connection or disconnection of the transmission line, a detection module used for detecting an electric signal on the transmission line, a power consumption monitoring module and a fault monitoring module, wherein the power consumption monitoring module is connected with the detection module and the switch module, and is used forjudging whether the underwater sensor has abnormal power consumption or not according to the electric signal on the transmission line acquired by the detection module, and making the switch module disconnect the transmission line when the underwater sensor has abnormal power consumption; and the fault monitoring module is connected with the detection module and the switch module, and is used for judging whether the underwater sensor has an extreme fault or not according to the electric signal on the transmission line acquired by the detection module, and making the switch module disconnect thetransmission line when the underwater sensor has an extreme fault. According to the data acquisition controller and the underwater junction box, dual protection of extreme fault rapid protection andpower consumption abnormal soft protection is realized, and response time of protection is shortened.

Description

technical field [0001] The invention relates to the technical field of underwater detection, in particular to an underwater data acquisition controller and an underwater connection box for building a distributed control system using the underwater data acquisition controller. Background technique [0002] The Chinese patent with the notification number CN104615056B discloses a submarine cabled online observation system for marine dynamic environment, which uses CAN bus on site to realize distributed monitoring and management, and CAN communication nodes are designed for each sensor. However, the overall system is subject to the system interface status monitoring board. Once the interface status monitoring board has a functional failure, the status monitoring function of the overall system will fail, and it cannot guarantee fast monitoring under fault conditions. Isolated protection. [0003] On the other hand, the observation system consists of a set of state monitoring con...

Claims

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Application Information

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IPC IPC(8): G05B19/042
CPCG05B19/042
Inventor 刘晓霆季佳男杨家洋
Owner SHANGHAI HENGTONG MARINE EQUIP CO LTD
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