CN218122778U

CN218122778U - Gas alarm controller

Info

Publication number: CN218122778U
Application number: CN202222182404.XU
Authority: CN
Inventors: 马昊; 季佳怡
Original assignee: Nanjing Iridium Safety And Environmental Protection Technology Co ltd
Current assignee: Nanjing Iridium Safety And Environmental Protection Technology Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-12-23
Anticipated expiration: 2032-08-18

Abstract

The utility model provides a gas alarm controller, which comprises a housin, an opening of casing, shell opening simultaneously are equipped with the panel lid that can open and shut, are equipped with the PCB main control board that is used for realizing alarm control function in the casing, and the bottom of casing is equipped with and is used for fixed external power line and inserts the cable joint in the casing, is equipped with the switch board that is used for protection circuit in the casing, is equipped with the switching power supply who is used for carrying on alternating current-direct current power supply conversion in the casing, and the casing top is equipped with the alarm lamp that is used for instructing detector alarm state. The utility model discloses a modular design has been realized to the gas alarm controller, and control module is integrated, improves the wholeness ability, simplifies the assembly process, can be applicable to the different operating mode of required passageway quantity well to can send alarm information to the cell-phone, realize real-time remote alarm function.

Description

Gas alarm controller

Technical Field

The utility model relates to a gas alarm technical field, concretely relates to gas alarm controller.

Background

The gas detection alarm controller is a device for detecting a specific gas leakage condition in a specific area and alarming when a leakage occurs. As an on-site monitoring alarm device widely applied to industrial enterprises, the device is mainly applied to petrochemical industry, oil depots, liquefied gas stations, paint spray booths, sewage treatment and the like, and places with the requirements of fire prevention and toxic gas leakage prevention are used for carrying out safety detection and alarm. Common detectors mostly adopt a 4-20mA signal interface or an RS485 interface.

In practical application, the quantity of detectors required in different occasions and different working conditions has great difference, and the existing gas alarm controller has large volume, more types of internal circuit boards and complex wiring. And once the number of the matched detectors is small, the number of the circuit boards connected in the controller case is small, which causes great resource waste. In addition, the existing gas alarm controller can only be linked with an upper computer, and cannot realize a remote alarm function.

Disclosure of Invention

For overcoming the not enough of prior art, the utility model provides a gas alarm controller has realized the modularized design, and control module is integrated, improves the wholeness ability, simplifies the assembly process.

In order to achieve the purpose, the utility model discloses a gas alarm controller, including the casing, the one side opening of casing, the casing opening one side is equipped with the panel lid that can open and shut, is equipped with the PCB main control board that is used for realizing alarm control function in the casing, and the bottom of casing is equipped with and is used for fixed external power line and inserts the cable joint in the casing, is equipped with the switch board that is used for protection circuit in the casing, is equipped with the switching power supply who is used for carrying out alternating current-direct current power supply conversion in the casing, and the casing top is equipped with the alarm lamp that is used for instructing detector alarm state.

Furthermore, a partition board used for fixing the PCB is arranged in the shell, a main control chip, a display module, a key module and a data acquisition module are arranged on the PCB, an indication face film is arranged on the partition board, and a key mark and a nixie tube indication mark are arranged on the indication face film.

Furthermore, a wireless module for 4G communication is arranged on the PCB, an antenna for enhancing signals is arranged at the top of the shell, and the antenna is led out by the communication module.

Furthermore, the display module comprises a 4-bit nixie tube for displaying the specific number of the access detector, and the display module also comprises red and green LED lamps for displaying the running state of the access detector.

Furthermore, the main control chip adopts a Nano130, and the signal access path of the data acquisition module comprises an RS485 data acquisition path and a 4-20mA analog quantity data acquisition path.

Furthermore, a main control chip, a key module and a data processing module are arranged on the PCB main control board, a signal board and a terminal board are arranged in the shell, when the connected detector is RS485, the signal board directly reads the signal of the connected detector, when the connected detector is 4-20mA, the terminal board reads the AD value of the detector and communicates with the signal board, a display screen for displaying the concentration value of each channel is arranged in the shell, and a nameplate with basic information of the equipment is arranged on the display screen.

The utility model discloses a modular design has been realized to the gas alarm controller, and control module is integrated, improves the wholeness ability, simplifies the assembly process, can be applicable to the different operating mode of required passageway quantity well to can send alarm information to the cell-phone, realize real-time remote alarm function.

Drawings

The invention will be further described and illustrated with reference to the accompanying drawings.

FIG. 1 is an overall view of embodiment 1.

Fig. 2 is an exploded view of example 1.

FIG. 3 is an overall view of embodiment 2.

Fig. 4 is an exploded view of example 2.

FIG. 5 is an overall view of embodiment 3.

Fig. 6 is an exploded view of example 3.

Reference numerals: 1. a cable joint; 2. a power switch board; 3. a wireless module; 4. a PCB main control board; 5. a partition plate; 6. facial mask; 7. an antenna; 8. an alarm lamp; 9. a switching power supply; 10. a housing; 11. a nameplate; 12. a display screen; 13. a terminal plate; 14. and a signal plate.

Detailed Description

The technical solution of the present invention will be more clearly and completely explained by the description of the preferred embodiments of the present invention with reference to the accompanying drawings.

Example 1: as shown in fig. 1 and 2, the gas alarm controller according to the preferred embodiment of the present invention is suitable for two-channel and four-channel gas detection alarm.

The portable electronic device comprises a shell 10, wherein one side of the shell 10 is provided with an opening, one side of the opening of the shell 10 is provided with a panel cover which can be opened and closed, and the panel cover is also provided with an opening. The PCB main control board 4 for realizing the alarm control function is arranged in the shell 10, a main control chip, a display module, a key module and a data acquisition module are arranged on the PCB main control board 4, the main control chip adopts a Nano130, and a signal access circuit of the data acquisition module comprises an RS485 data acquisition circuit and a 4-20mA analog quantity data acquisition circuit.

The PCB is provided with a wireless module 3 for 4G communication, the top of the shell 10 is provided with an antenna 7 for enhancing signals, and the antenna 7 is led out by the communication module. The display module comprises a 4-digit nixie tube for displaying the specific number of the access detector, and the display module also comprises red and green LED lamps for displaying the running state of the access detector.

A partition plate 5 for fixing the PCB is arranged in the shell 10, and a folded plate capable of supporting the back of the shell 10 is arranged at the bottom of the partition plate 5. An indication face film 6 is arranged on the partition board 5, and a key mark and a nixie tube indication mark are arranged on the indication face film 6.

The bottom of the casing 10 is provided with a cable joint 1 for fixing an external power line and connecting the external power line into the casing 10, a power switch board 2 for protecting a circuit is arranged in the casing 10, a switch power supply 9 for converting an alternating current power supply and a direct current power supply is arranged in the casing 10, and the power of the switch power supply 9 is 50W and is used for converting 220V commercial power into 24V direct current power.

The top of the shell 10 is provided with an alarm lamp 8 for indicating the alarm state of the detector.

Example 2: as shown in fig. 3 and 4, a gas alarm controller is suitable for eight-channel gas detection alarm, and is different from embodiment 1 in that a PCB main control board 4 is formed by splicing two main boards. The power of the switching power supply 9 is 96W.

Example 3: as shown in fig. 5 and 6, the gas alarm controller is suitable for thirty-two or sixty-four channel gas detection alarm, thirty-two channels can be realized by 4-20mA, and sixty-four channels can be realized by RS 485. The difference with embodiment 1 is that a main control chip, a key module and a data processing module are arranged on the PCB main control board 4, a signal board 14 and a terminal board 13 are arranged in the housing 10, when the connected detector is RS485, the signal board 14 directly reads the signal of the connected detector, when the connected detector is 4-20mA, the terminal board 13 reads the AD value of the detector and communicates with the signal board 14, a display screen 12 for displaying the concentration value of each channel is arranged in the housing 10, and a nameplate 11 with basic information of the device is arranged on the display screen 12. Under thirty-two channel conditions, the power of the switching power supply 9 is 150W. Under sixty-four channel working conditions, the power of the switching power supply 9 is 350W. The utility model discloses a modular design has been realized to the gas alarm controller, and control module is integrated, improves the wholeness ability, simplifies the assembly process, can be applicable to the different operating mode of required passageway quantity well to can send alarm information to the cell-phone, realize real-time remote alarm function.

The above detailed description merely describes the preferred embodiments of the present invention and does not limit the scope of the present invention. Without departing from the design concept and spirit scope of the present invention, the ordinary skilled in the art should belong to the protection scope of the present invention according to the present invention provides the text description and drawings to the various modifications, replacements and improvements made by the technical solution of the present invention. The scope of protection of the invention is determined by the claims.

Claims

1. The utility model provides a gas alarm controller, its characterized in that, includes casing (10), the one side opening of casing (10), casing (10) opening one side is equipped with the panel lid that can open and shut, be equipped with PCB main control board (4) that are used for realizing alarm control function in casing (10), the bottom of casing (10) is equipped with cable joint (1) that are used for fixed external power line and insert in casing (10), be equipped with switch board (2) that are used for protection circuit in casing (10), be equipped with switching power supply (9) that are used for carrying on the conversion of alternating current and direct current power supply in casing (10), casing (10) top is equipped with alarm lamp (8) that are used for instructing detector alarm state.

2. The gas alarm controller according to claim 1, wherein a partition plate (5) for fixing a PCB is arranged in the housing (10), a main control chip, a display module, a key module and a data acquisition module are arranged on the PCB main control board (4), an indication face film (6) is arranged on the partition plate (5), and a key mark and a nixie tube indication mark are arranged on the indication face film (6).

3. The gas alarm controller according to claim 2, wherein the PCB board is provided with a wireless module (3) for 4G communication, the top of the housing (10) is provided with an antenna (7) for enhancing signals, and the antenna (7) is led out from the communication module.

4. The gas alarm controller of claim 2, wherein the display module comprises a 4-digit nixie tube for displaying the specific indication of the access detector, and the display module further comprises red and green LED lights for displaying the operating status of the access detector.

5. The gas alarm controller according to claim 2, wherein the main control chip adopts Nano130, and the signal access path of the data acquisition module comprises an RS485 data acquisition path and a 4-20mA analog quantity data acquisition path.

6. The gas alarm controller according to claim 1, wherein a main control chip, a key module and a data processing module are arranged on the PCB main control board (4), a signal board (14) and a terminal board (13) are arranged in the housing (10), when a connected detector is RS485, the signal board (14) directly reads a signal of the connected detector, when the connected detector is 4-20mA, the terminal board (13) reads an AD value of the detector and communicates with the signal board (14), a display screen (12) for displaying a concentration value of each channel is arranged in the housing (10), and a nameplate (11) with basic information of equipment is arranged on the display screen (12).