CN218825732U

CN218825732U - Data acquisition equipment for fire alarm controller

Info

Publication number: CN218825732U
Application number: CN202221479371.9U
Authority: CN
Inventors: 肖宁杰; 银景苏
Original assignee: Guangxi Oulian Equipment Installation Engineering Co ltd
Current assignee: Guangxi Oulian Equipment Installation Engineering Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2023-04-07
Anticipated expiration: 2032-06-14

Abstract

The utility model discloses a data acquisition device for a fire alarm controller, which comprises a power circuit, a CAN interface communication conversion module, a data output circuit and an internet of things module; the power circuit is respectively connected with the CAN interface communication conversion module, the data output circuit and the Internet of things module; the CAN interface communication conversion module is connected with the fire alarm controller, the CAN interface communication conversion module is connected with the data output circuit, the data output circuit is connected with the internet of things module, and the internet of things module is connected with the cloud platform. The utility model discloses a data acquisition facility is small, the deployment is simple, can insert various cloud platforms fast on a large scale, takes safety certification mechanism (a quick-witted sign indicating number) certainly, and the security is higher.

Description

Data acquisition equipment for fire alarm controller

Technical Field

The utility model belongs to the technical field of fire alarm equipment technique and specifically relates to a data acquisition equipment for fire alarm controller.

Background

The fire alarm controller is an important component of an automatic fire alarm system and is responsible for providing a stable working power supply for a fire detector, monitoring the work stations and time of the detector and the system, executing corresponding auxiliary control and other tasks. There are two main ways to collect and process the data output by the controller: (1) The fire alarm controller is connected with a computer with an interface conversion card in the fire control room, and the generated alarm information is received and processed by software on the computer through the conversion card; (2) The fire alarm controller is connected with the user information transmission device, and the user information transmission device is communicated with the computer of the fire control room in a Client/Server mode through the Ethernet.

In recent years, with the development and progress of society, high-rise cities, large buildings and various places are increasingly increased, the fire safety situation is extremely severe, the personnel of the fire safety supervision and management department are limited, the fire safety supervision lacks effective technical means for supporting and socializing means, great fire risks cannot be found, eliminated and rectified in time, and the fire risks and the occurrence probability are still high. Therefore, a full-coverage social fire prevention and control system integrating emerging information technologies such as internet of things, cloud computing, big data and 5G, namely 'intelligent fire fighting' also comes into play. The intelligent fire fighting adopts the technical means of the internet of things such as sensing, knowing and using, comprehensively utilizes the technologies of wireless sensing, cloud computing, big data and the like, carries out intelligent sensing, identification, positioning and tracking on the states of fire-fighting facilities, equipment, personnel and the like through the communication networks such as the internet, a wireless communication network, a private network and the like, realizes real-time, dynamic, interactive and fused fire-fighting information acquisition, transmission and processing, provides information support for fire-fighting supervision management and fire-fighting rescue through information processing, data mining and situation analysis, improves the social fire-fighting supervision and management level, and enhances the fire-fighting rescue capacity. Different from the traditional fire fighting monitoring system, the intelligent fire fighting coverage is wider, and the access and data acquisition of large-scale equipment are emphasized.

The fire alarm controller is one of the core devices in the current fire-fighting system, the stock is huge, but most of the fire alarm controllers lack the capability of accessing a mainstream cloud platform and are difficult to meet the requirements of intelligent fire-fighting. Therefore, a solution for rapidly collecting and uploading raw data of a fire alarm controller on a large scale at low cost on a mainstream cloud platform is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems, and provides a data acquisition device for a fire alarm controller, which comprises a power circuit, a CAN interface communication conversion module, a data output circuit and an internet of things module; the power circuit is respectively connected with the CAN interface communication conversion module, the data output circuit and the Internet of things module; the CAN interface communication conversion module is connected with the fire alarm controller, the CAN interface communication conversion module is connected with the data output circuit, the data output circuit is connected with the internet of things module, and the internet of things module is connected with the cloud platform.

Preferably, a CAN L pin and a CAN H pin are arranged on the CAN interface communication conversion module, the CAN L pin is connected with a CAN L pin on the fire alarm controller, and the CAN H pin is connected with a CAN H pin on the fire alarm controller.

Preferably, the CAN interface communication conversion module is provided with a 485A pin and a 485B pin, and the data output circuit is provided with a 485A pin and a 485B pin; and a 485A pin on the CAN interface communication conversion module is connected with a 485A pin on the data output circuit, and a 485B pin on the CAN interface communication conversion module is connected with a 485B pin on the data output circuit.

Preferably, the data output circuit is provided with an RX pin and a TX pin, and the internet of things module is provided with an RX pin and a TX pin; and an RX pin on the data output circuit is connected with an RX pin on the Internet of things module, and a TX pin on the data output circuit is connected with a TX pin on the Internet of things module.

Preferably, the internet of things module includes a processor, a firmware module, a configuration module and a network adapter, the firmware module and the configuration module are both connected to the processor, and the processor is connected to the network adapter.

Preferably, the network adapter is a network adapter supporting a WIFI protocol, an ethernet protocol and an NB-IoT protocol.

Preferably, the firmware module comprises a TCP/IP network protocol stack and an MQTT client program.

Preferably, the configuration module is used for storing an MQTT address, a device ID, a key, and a name of a published message.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a data acquisition equipment is small, the deployment is simple, can insert various cloud platforms fast on a large scale, from taking safety certification mechanism (a quick-witted one yard), and the security is higher.

Drawings

Fig. 1 is a schematic structural diagram of the data acquisition device of the present invention;

in the figure, 1-power circuit, 2-CAN interface communication conversion module, 3-data output circuit, 4-thing connection module, CAN L pin on 5-CAN interface communication conversion module, CAN H pin on 6-CAN interface communication conversion module, 485A pin on 7-CAN interface communication conversion module, 485B pin on 8-CAN interface communication conversion module, RX pin on 9-data output circuit, TX pin on 10-data output circuit, 485A pin on 11-data output circuit, 485B pin on 12-data output circuit, and RX pin on 13-thing connection module; 14-TX Pin on the IoT Module; 15-a processor; 16-a firmware module; 17-a configuration module; 18-network adapter.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

Example 1

Fig. 1 shows a schematic structural diagram of a data acquisition device for a fire alarm controller according to a preferred embodiment of the present invention, the data acquisition device includes a power circuit 1, a CAN interface communication conversion module 2, a data output circuit 3 and an internet of things module 4; the power circuit 1 is respectively connected with the CAN interface communication conversion module 2, the data output circuit 3 and the Internet of things module 4; the CAN interface communication conversion module 2 is connected with the fire alarm controller, the CAN interface communication conversion module 2 is connected with the data output circuit 3, the data output circuit 3 is connected with the internet of things module 4, and the internet of things module 4 is connected with the cloud platform;

a CAN L pin 5 and a CAN H pin 6 are arranged on the CAN interface communication conversion module 2, the CAN L pin 5 is connected with a CAN L pin on the fire alarm controller, and the CAN H pin 6 is connected with a CAN H pin on the fire alarm controller;

the CAN interface communication conversion module 2 is provided with a 485A pin 7 and a 485B pin 8, and the data output circuit 3 is provided with a 485A pin 11 and a 485B pin 12; a 485A pin 7 on the CAN interface communication conversion module 2 is connected with a 485A pin 11 on the data output circuit 3, and a 485B pin 8 on the CAN interface communication conversion module 2 is connected with a 485B pin 12 on the data output circuit 3;

an RX pin 9 and a TX pin 10 are arranged on the data output circuit 3, and an RX pin 13 and a TX pin 14 are arranged on the internet of things module 4; an RX pin 9 on the data output circuit 3 is connected with an RX pin 13 on the Internet of things module 4, and a TX pin 10 on the data output circuit 3 is connected with a TX pin 14 on the Internet of things module 4;

the internet of things module 4 comprises a processor 15, a firmware module 16, a configuration module 17 and a network adapter 18, wherein the firmware module 16 and the configuration module 17 are connected with the processor 15, and the processor 15 is connected with the network adapter 18;

the network adapter 18 is a network adapter supporting a WIFI protocol, an ethernet protocol, and an NB-IoT protocol;

the firmware module 16 comprises a TCP/IP network protocol stack and an MQTT client program;

the configuration module 17 is used for storing MQTT addresses, device IDs, keys and names of issued messages.

The implementation steps of the data acquisition equipment in use are as follows:

(1) The equipment is powered on, the processor 15 loads the program of the firmware module 16 and the information of the configuration module 17 and carries out system initialization;

(2) And the MQTT client program in the firmware module 16 runs and tries to connect an MQTT server of the cloud platform for access authentication. After the authentication is successful, a heartbeat packet is sent periodically to maintain an online connection state;

(3) The controller outputs fire alarm information, the CAN interface communication conversion module 2 reads data from a CAN bus and outputs the data to the 485 interface, and the data output circuit 3 converts the 485 signal into a TTL signal and sends the TTL signal to the Internet of things module 4 through a TX pin 10;

(4) The Internet of things module 4 encapsulates the received data into a data message, and the data message is issued to a specified message name through an MQTT client program;

(5) And the cloud platform receives the data and pushes the data to an application subscribed with the message name.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. A data acquisition device for a fire alarm controller, characterized by: the system comprises a power supply circuit, a CAN interface communication conversion module, a data output circuit and an internet of things module; the power circuit is respectively connected with the CAN interface communication conversion module, the data output circuit and the Internet of things module; the CAN interface communication conversion module is connected with the fire alarm controller, the CAN interface communication conversion module is connected with the data output circuit, the data output circuit is connected with the internet of things module, and the internet of things module is connected with the cloud platform.

2. The data acquisition device of claim 1, wherein: and the CAN interface communication conversion module is provided with a CAN L pin and a CAN H pin, the CAN L pin is connected with the CAN L pin on the fire alarm controller, and the CAN H pin is connected with the CAN H pin on the fire alarm controller.

3. The data acquisition device of claim 1, wherein: the CAN interface communication conversion module is provided with a 485A pin and a 485B pin, and the data output circuit is provided with a 485A pin and a 485B pin; and a 485A pin on the CAN interface communication conversion module is connected with a 485A pin on the data output circuit, and a 485B pin on the CAN interface communication conversion module is connected with a 485B pin on the data output circuit.

4. The data acquisition device of claim 1, wherein: an RX pin and a TX pin are arranged on the data output circuit, and an RX pin and a TX pin are arranged on the internet of things module; and an RX pin on the data output circuit is connected with an RX pin on the Internet of things module, and a TX pin on the data output circuit is connected with a TX pin on the Internet of things module.

5. The data acquisition device of claim 1, wherein: the internet of things module comprises a processor, a firmware module, a configuration module and a network adapter, wherein the firmware module and the configuration module are connected with the processor, and the processor is connected with the network adapter.

6. The data acquisition device of claim 5, wherein: the network adapter is a network adapter supporting a WIFI protocol, an Ethernet protocol and an NB-IoT protocol.

7. The data acquisition device of claim 5, wherein: the firmware module comprises a TCP/IP network protocol stack and an MQTT client program.

8. The data acquisition device of claim 5, wherein: the configuration module is used for storing MQTT addresses, equipment IDs, secret keys and issued message names.