Battery-powered magnetic type gas detector

Abstract

The utility model relates to the technical field of gas detection, and discloses a battery-powered magnetic type gas detector which comprises a bottom shell, a display cover is detachably installed on the front side of the bottom shell in an open shape, a gas detection sensor is fixedly installed in the middle of the bottom of the bottom shell, an audible and visual alarm is fixedly installed on one side of the bottom shell, and the audible and visual alarm is fixedly installed on the other side of the bottom shell. The four corners of the back face of the bottom shell are each provided with a magnet suction cup. According to the battery-powered magnetic type gas detector, the four magnet suckers are designed on the fixed end face of the bottom shell, the detector can be installed by directly adsorbing the magnet suckers on the metal surface, the detector can be installed at the position needing to be detected at any time, and the battery-powered magnetic type gas detector is different from a traditional drilling type installation mode and is different from a conventional detector installation mode; according to the product, the magnet is used as a fixed substrate, so that the installation process is simplified, rapid assembly, disassembly and use are facilitated, and meanwhile, the installation position is convenient to replace after the product is installed.

Description

Technical Field

[0001] The utility model relates to the technical field of gas detection, in particular to a battery-powered magnetic gas detector. Background Technique

[0002] A gas sensor is a converter that converts the volume fraction of a certain gas into a corresponding electrical signal. The detection head conditions the gas sample through the gas sensor, usually including filtering out impurities and interfering gases, and drying or refrigerating the instrument display part. A gas sensor is a device that converts information such as the composition and concentration of a gas into information that can be utilized by personnel, instruments, computers, etc.!

[0003] Regarding the existing related technologies, the inventor believes that the following defects often exist: Gas detectors on the market are all fixed types. When installing, holes need to be drilled for fixation. In explosion-proof places, explosion-proof pipes need to be used for wiring, and they cannot be moved after installation. Moreover, they use cables for power supply and data transmission. When communication anomalies occur in the detector, it is impossible to accurately locate the fault point, and a large amount of manpower is required to troubleshoot problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a battery-powered magnetic gas detector to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A battery-powered magnetic gas detector includes: an openable and detachable display cover is installed on the front side of the bottom case. A gas detection sensor is fixedly installed in the middle of the bottom of the bottom case. An audible and visual alarm is fixedly installed on one side of the bottom case. Magnet suction cups are installed at the four corners of the back of the bottom case;

[0007] A battery is fixedly installed inside the bottom case through a battery bracket, and a PLC controller is fixedly installed inside the bottom case and in front of the battery.

[0008] As an improved technical solution, the PLC controller includes a control board. The PLC controller also includes a display board installed on the back of the display cover. A display screen is fixedly installed on the front of the display board, and three indicator lights are installed above the display screen on the front of the display board.

[0009] As an improved technical solution, a communication unit is fixedly installed at the upper corner end of the front of the control board. A threaded joint is fixedly installed in the middle of the top of the bottom case, and a communication antenna is fixedly installed on the bottom case through the threaded joint.

[0010] As an improved technical solution, a protective glass for viewing the display screen and the indicator light is provided at the middle position of the front side of the display cover.

[0011] As an improved technical solution, a gas sensor protective cover for covering the gas detection sensor is further installed at the middle part of the bottom of the bottom shell.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] In this utility model, four magnet suction cups are designed on the fixed end face of the bottom shell. The magnet suction cups can directly adsorb on the metal surface to complete the installation of the detector. It can be installed and used as needed at the position to be detected. Different from the traditional drilling installation method and the conventional detector installation method, this product uses magnets as the fixing matrix, simplifies the installation process, facilitates quick installation and disassembly, and at the same time, it is also convenient to change the installation position after installation. The battery is a 3.6V lithium battery for a communication antenna, with a large-capacity lithium battery built-in. Under normal circumstances, it can work continuously for three years, with self-power supply and wireless communication. When the detector communication is abnormal, the fault point can be quickly and accurately located. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 FIG. is a front view structural schematic diagram of a magnetically attached gas detector powered by a battery;

[0015] Figure 2 FIG. is a rear view structural schematic diagram of a magnetically attached gas detector powered by a battery;

[0016] Figure 3 FIG. is a side view structural schematic diagram of a magnetically attached gas detector powered by a battery;

[0017] Figure 4 FIG. is a structural schematic diagram of an exploded state of a magnetically attached gas detector powered by a battery.

[0018] In the figure: 1, bottom shell; 2, display cover; 21, protective glass; 3, communication antenna; 4, magnet suction cup; 5, audible and visual alarm; 6, gas sensor protective cover; 7, battery; 8, PLC controller; 81, control board; 82, display screen; 83, indicator light; 84, communication unit. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0020] See also Figures 1 to 4 The utility model proposes a technical solution, a battery-powered magnetic gas detector, comprising: a bottom shell 1, and the front side of the bottom shell 1 is open, the open front side of the bottom shell 1 is detachably installed with a display cover 2, the display cover 2 is installed on the front side of the bottom shell 1 by bolts, and the two sides of the front of the display cover 2 are respectively installed with a power button and a power off button. A gas detection sensor is fixedly installed in the middle of the bottom of the bottom shell 1, a sound and light alarm 5 is fixedly installed on one side of the bottom shell 1, and magnetic suction cups 4 are installed at the four corners of the back of the bottom shell 1;

[0021] A battery 7 is fixedly installed inside the bottom shell 1 through a battery bracket. The battery 7 is a 3.6V lithium battery. The power cable terminal of the battery 7 is directly connected to the corresponding interface of the control board 81. It has a built-in large-capacity lithium battery and can work continuously for three years under normal circumstances. A PLC controller 8 is fixedly installed inside the bottom shell 1 and on the front side of the battery 7. It is self-powered and has wireless communication. When the detector communication is abnormal, the fault point can be located quickly and accurately.

[0022] Four magnetic suction cups 4 are designed on the fixed end surface of the bottom shell 1. The magnetic suction cups 4 can be directly adsorbed on the metal surface to complete the installation of the detector. It can be installed at the location where detection is required. Different from the traditional drilling installation method and the conventional detector installation method, this product uses magnets as a fixed matrix, which simplifies the installation process and facilitates quick assembly and disassembly. At the same time, it is also convenient to change the installation position after installation.

[0023] The PLC controller 8 includes a control board 81, which is installed inside the bottom shell 1 and not on the front side of the battery 7. The PLC controller 8 has built-in 4GCAT-1 module and LORA module, which can upload real-time data to the cloud and mobile terminal. When an alarm occurs, a mobile phone call or text message prompt can be immediately received to ensure timely processing of the alarm information. The detector is integrated with the LORA module and the 4GCAT.1 module, which can take into account short-distance communication with the gas alarm controller and upload real-time concentration data to the cloud server. The PLC controller 8 also includes a display panel installed on the back of the display cover 2. A display screen 82 is fixedly installed on the front of the display panel. The display screen 82 is a color LCD screen with a resolution of 120*168. Three indicator lights 83 are installed on the front of the display panel and above the display screen 82. The indicator light 83 is an LED. The three indicator lights 83 represent operation, alarm and fault from left to right respectively. The display screen 82 cooperates with the three indicator lights 83 to display the current working status of the detector, real-time gas concentration, etc.

[0024] A communication unit 84 is fixedly installed at the upper corner end of the front side of the control board 81. A threaded joint is fixedly installed in the middle of the top of the bottom shell 1, and a communication antenna 3 is fixedly installed on the bottom shell 1 through the threaded joint. A potentiostat circuit for the sensor is constructed using a precision operational amplifier, and the signal output by the sensor circuit is amplified. A 16-bit analog-to-digital conversion chip is used for data acquisition and uploaded to the control board 81 using the IIC communication protocol.

[0025] A protective glass 21 for viewing the display screen 82 and the indicator lamp 83 is provided at the exact middle position of the front side of the display cover 2.

[0026] A gas sensor protection cover 6 for covering the gas detection sensor is further installed in the middle of the bottom of the bottom shell 1. The gas sensor protection cover 6 protects the gas detection sensor and easily prevents it from being damaged by the outside.

[0027] Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A battery-powered magnetic gas detector, characterized in that: include: The bottom shell (1) is provided with a display cover (2) detachably mounted on the front side of the bottom shell (1), a gas detection sensor is fixedly mounted in the middle of the bottom of the bottom shell (1), a sound and light alarm (5) is fixedly mounted on one side of the bottom shell (1), and magnetic suction cups (4) are mounted at the four corners of the back side of the bottom shell (1); A battery (7) is fixedly mounted inside the bottom shell (1) via a battery bracket, and a PLC controller (8) is fixedly mounted inside the bottom shell (1) and on the front side of the battery (7).

2. A battery-powered magnetic gas detector according to claim 1, characterized in that: The PLC controller (8) comprises a control panel (81), and the PLC controller (8) further comprises a display panel mounted on the back of the display cover (2), a display screen (82) being fixedly mounted on the front of the display panel, and three indicator lights (83) being mounted on the front of the display panel and above the display screen (82).

3. A battery-powered magnetic gas detector according to claim 2, characterized in that: A communication unit (84) is fixedly mounted at the upper corner end of the front side of the control panel (81), a threaded joint is fixedly mounted at the middle of the top of the bottom shell (1), and a communication antenna (3) is fixedly mounted on the bottom shell (1) via the threaded joint.

4. A battery-powered magnetic gas detector according to claim 3, characterized in that: A protective glass (21) for viewing the display screen (82) and the indicator light (83) is provided at the center of the front side of the display cover (2).

5. A battery-powered magnetic gas detector according to claim 4, characterized in that: A gas sensor protection cover (6) for covering the gas detection sensor is also installed in the middle of the bottom of the bottom shell (1).

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