CN216311037U

CN216311037U - Wireless transmission device of alarm system

Info

Publication number: CN216311037U
Application number: CN202122291015.6U
Authority: CN
Inventors: 王京欣; 毛法兵; 胡健
Original assignee: Beijing Antong Security Information Technology Ltd By Share Ltd
Current assignee: Beijing Antong Security Information Technology Ltd By Share Ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-04-15
Anticipated expiration: 2031-09-22

Abstract

The utility model relates to a wireless transmission device of an alarm system, which comprises a main control MCU, a power supply part, an analog quantity acquisition module, a switching value acquisition module and a communication module, wherein the main control MCU is used for acquiring the analog quantity of a power supply part; the power supply part comprises a power supply circuit and a battery power supply module; the analog quantity acquisition module, the switching value acquisition module and the communication module are all connected with the master control MCU. Aiming at the problems of field installation and configuration, two modes of remote configuration and field configuration are adopted, and a communication module can be used for remote configuration after field installation, so that the technical level requirement of field construction personnel is greatly reduced, the construction personnel does not need to configure in a complicated way or even needs no configuration, and all the construction personnel are handed to a background maintenance personnel for remote configuration; the external sensor can be changed in type, manufacturer and model at will through switching value acquisition module and analog acquisition module, only needs the backstage maintainer to input corresponding index after the surveillance center, and automatic configuration is to the equipment, and from taking the battery, can break away from controller autonomous working and satisfy the fire control standard requirement.

Description

Wireless transmission device of alarm system

Technical Field

The utility model relates to the field of fire fighting equipment, in particular to a wireless transmission device of an alarm system.

Background

The existing wireless signal transmitter for fire fighting is basically designed specially for fire fighting sensors by various manufacturers, is not universal among the manufacturers, and needs to change programs or configuration on site when replacing the sensors; the technical level of field constructors is uneven, and the installation and configuration are difficult to complete at one time, so that technical service personnel of a manufacturer need to go to and fro to the field for many times, and the cost of customers is increased.

Meanwhile, the power supply of the existing wireless signal transmitter is basically 220V alternating current or 24V depending on an alarm controller, and the existing wireless signal transmitter does not have a storage battery and cannot be separated from the controller to meet the requirement of fire-fighting standards.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is to provide a wireless transmission device for an alarm system, which can solve the technical problems in the background art.

The utility model discloses a wireless transmission device of an alarm system, which comprises a main control MCU, a power supply part, an analog quantity acquisition module, a switching value acquisition module and a communication module, wherein the main control MCU is used for acquiring the analog quantity of a power supply part;

the power supply part comprises a power supply circuit and a battery power supply module, the power supply circuit is externally connected with alternating current and outputs direct current to the main control MCU, the analog quantity acquisition module, the switching value acquisition module and the communication module, and the output end of the battery power supply module is directly connected to the main control MCU, the analog quantity acquisition module, the switching value acquisition module and the communication module;

the analog quantity acquisition module, the switching value acquisition module and the communication module are all connected with the master control MCU.

Furthermore, the power circuit comprises an AC-to-DC circuit and a DC-to-DC circuit, and the input end of the AC-to-DC circuit is externally connected with alternating current; the output end of the DC-to-DC circuit is connected with the master control MCU, the analog quantity acquisition module, the switching value acquisition module and the communication module.

Further, the master control MCU is a single chip microcomputer, the communication module comprises a 3G module, a 4G module, a Lora module or an NB-IOT module, and the 3G module, the 4G module, the Lora module or the NB-IOT module are connected with a serial port of the single chip microcomputer.

Furthermore, the analog quantity acquisition module comprises four analog quantity acquisition circuits; the input end of the analog quantity acquisition circuit is connected with the sensor, and the output end of the analog quantity acquisition circuit is connected with the IO port of the single chip microcomputer.

Furthermore, the switching value acquisition module comprises eight switching value acquisition circuits; the input end of the switching value acquisition circuit is connected with the sensor, and the output end of the switching value acquisition circuit is connected with the IO port of the single chip microcomputer.

Further, the device also comprises a 485 interface module and a 232 interface module; the 485 interface module comprises a 485 transceiver and a 485 interface, and data pins of the 485 transceiver are respectively connected with the IO port and the 485 interface of the single chip microcomputer; the 232 interface module comprises a 232 transceiver and a 232 interface, and a data pin of the 232 transceiver is respectively connected with the IO port and the 232 interface of the singlechip.

The utility model has the beneficial effects that: according to the wireless transmission device of the alarm system, two modes of remote configuration and field configuration are adopted for solving the problems of field installation and configuration, and a communication module can be used for remote configuration after field installation, so that the technical level requirement of field construction personnel is greatly reduced, the construction personnel does not need to configure in a complicated way or even needs no configuration, and all the construction personnel are handed to background maintenance personnel for remote configuration; the external sensor can be changed in type, manufacturer and model at will through the switching value acquisition module and the analog value acquisition module, and only a background maintainer needs to automatically configure the external sensor on the equipment after inputting corresponding indexes in the monitoring center. Meanwhile, the self-contained storage battery can work independently without a controller and meet the requirement of fire-fighting standards.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for a person skilled in the art, other relevant drawings can be obtained from the drawings without inventive effort:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a circuit diagram of an AC to DC circuit of the present invention;

FIG. 3 is a circuit diagram of a DC to DC circuit of the present invention;

FIG. 4 is a circuit diagram of a master MCU of the present invention;

FIG. 5 is a circuit diagram of an analog acquisition module of the present invention;

FIG. 6 is a circuit diagram of the switching value acquisition module of the present invention;

FIG. 7 is a circuit diagram of the 485 and 232 interface modules of the present invention;

Detailed Description

As shown in fig. 1: the wireless transmission device of the alarm system comprises a main control MCU, a power supply part, an analog quantity acquisition module, a switching value acquisition module and a communication module;

As shown in fig. 2-3, in the present embodiment, the power circuit includes an AC-to-DC circuit and a DC-to-DC circuit, an input end of the AC-to-DC circuit is externally connected to an AC power source, and an output end of the AC-to-DC circuit outputs a 24V DC signal;

the output end source DC of the AC-to-DC circuit is connected with the input end of the DC-to-DC circuit, the DC-to-DC circuit is composed of two paths, one path of the DC-to-DC circuit inputs 24V direct current signals, 5V direct current is output after the DC-to-DC circuit passes through a 78L05 three-terminal voltage stabilizer, the other path of the DC-to-DC circuit inputs 24V direct current signals, 3.8V stable direct current signals are output after the DC-to-DC signal passes through an AOZ1282CI voltage-reducing voltage stabilizer, then an EC6301A33P three-terminal voltage stabilizer is connected to convert 3.8V into 3.3V and output the 3.3V stable direct current signals, and therefore the power circuit provides three direct current signals of 5V, 3.8V and 3.3V for the main control MCU, the analog quantity acquisition module, the switching quantity acquisition module and the communication module.

As shown in fig. 4, in this embodiment, specifically, the main control MCU is a single chip microcomputer, the model is STM32F103RGT6, the communication module may include a 3G module, a 4G module, a Lora module or an NB-IOT module, and the 3G module, the 4G module, the Lora module or the NB-IOT module is connected to a serial port of the single chip microcomputer.

As shown in fig. 5, in this embodiment, specifically, the analog quantity acquisition module includes four analog quantity acquisition circuits, and each analog quantity acquisition circuit is provided with a corresponding overcurrent protection circuit; the input end of the analog quantity acquisition circuit is connected with the sensor, and the output end of the analog quantity acquisition circuit is connected with the IO port of the single chip microcomputer.

As shown in fig. 6, in this embodiment, specifically, the switching value acquisition module includes eight switching value acquisition circuits; the input end of the switching value acquisition circuit is connected with the sensor, the output end of the switching value acquisition circuit is connected with the IO port of the single chip microcomputer, only one of the switching value acquisition circuit is shown in the embodiment, and the rest seven switching value acquisition circuits are consistent in structure.

As shown in fig. 7, in this embodiment, specifically, the apparatus further includes a 485 interface module and a 232 interface module; the 485 interface module comprises a 485 transceiver and a 485 interface, the model of the 485 transceiver is TP8485, and a data pin of the 485 transceiver is respectively connected with an IO port of the singlechip and the 485 interface; the 232 interface module comprises a 232 transceiver and 232 interfaces, the model of the 232 transceiver is MAX232, and data pins of the 232 transceiver are respectively connected with IO ports and the 232 interfaces of the single chip microcomputer.

In summary, the wireless transmission device of the alarm system of the utility model adopts two modes of remote configuration and field configuration for the problems of field installation and configuration, and can use the communication module for remote configuration after field installation, thereby greatly reducing the technical level requirement of field construction personnel; the external sensor can be changed in type, manufacturer and model at will through the switching value acquisition module and the analog value acquisition module, and only a background maintainer needs to automatically configure the external sensor on the equipment after inputting corresponding indexes in the monitoring center. Meanwhile, the self-contained storage battery can work independently without a controller and meet the requirement of fire-fighting standards.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. An alarm system wireless transmission device, characterized in that: the device comprises a main control MCU, a power supply part, an analog quantity acquisition module, a switching value acquisition module and a communication module;

2. The wireless transmission device of claim 1, wherein: the power supply circuit comprises an AC-to-DC circuit and a DC-to-DC circuit, wherein the input end of the AC-to-DC circuit is externally connected with an alternating current power supply; the output end of the DC-to-DC circuit is connected with the master control MCU, the analog quantity acquisition module, the switching value acquisition module and the communication module.

3. The wireless transmission device of claim 1, wherein: the main control MCU is a singlechip, the communication module comprises a 3G module, a 4G module, a Lora module or an NB-IOT module, and the 3G module, the 4G module, the Lora module or the NB-IOT module is connected with a serial port of the singlechip.

4. A wireless transmission device of an alarm system according to claim 3, wherein: the analog quantity acquisition module comprises four analog quantity acquisition circuits; the input end of the analog quantity acquisition circuit is connected with the sensor, and the output end of the analog quantity acquisition circuit is connected with the IO port of the single chip microcomputer.

5. A wireless transmission device of an alarm system according to claim 3, wherein: the switching value acquisition module comprises eight switching value acquisition circuits; the input end of the switching value acquisition circuit is connected with the sensor, and the output end of the switching value acquisition circuit is connected with the IO port of the single chip microcomputer.

6. A wireless transmission device of an alarm system according to claim 3, wherein: the device also comprises a 485 interface module and a 232 interface module; the 485 interface module comprises a 485 transceiver and a 485 interface, and data pins of the 485 transceiver are respectively connected with the IO port and the 485 interface of the single chip microcomputer; the 232 interface module comprises a 232 transceiver and a 232 interface, and a data pin of the 232 transceiver is respectively connected with the IO port and the 232 interface of the singlechip.