Gas monitoring alarm

Abstract

The utility model discloses a gas monitoring alarm, which comprises a shell, a gas inlet, a gas outlet and a gas outlet, wherein the outer side of the shell is provided with a lower vent hole and an upper vent hole; the circuit board is arranged in the shell, and a smell sensor, an MCU module and a timer are arranged on the outer side of the circuit board; the cleaning device comprises a shell and a dredging assembly, the dredging assembly is arranged in the shell, the dredging assembly comprises a connecting plate arranged in the shell in a sliding mode and an electromagnetic assembly driving the connecting plate, and the cleaning device has the advantages that through the arrangement of an upper cleaning plate and a lower cleaning plate, under the action of the electromagnetic assembly and a timer, vent holes can be automatically cleaned at regular intervals; the requirement of manual maintenance is reduced, and the sensitivity and the accuracy of the sensor are ensured not to be reduced due to the blockage of the vent holes; by keeping the ventilation holes clean, it is ensured that outside air can freely flow in, so that timely and accurate gas detection can be conducted, and potential fire hazards and explosion risks can be prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of gas monitoring, in particular to a gas monitoring alarm. Background Art

[0002] Whether it is a home kitchen or a factory workshop, as long as gas equipment is used, there is a risk of gas leakage. Gas leakage is a potential safety hazard. Once the leaked gas encounters an open flame, it is easy to cause a fire or explosion. In daily production and life, gas monitoring alarms are often used to detect gas. Gas monitoring alarms can detect gas concentration in real time. Once an abnormality is found, an alarm will be issued in time, thereby effectively preventing the occurrence of gas leakage accidents.

[0003] When the existing gas monitoring alarm is used for a long time, the air inlet of the monitoring alarm will be blocked due to factors such as oil smoke and dust. The blockage will affect the entry of the air to be tested, thereby reducing the sensitivity of the alarm. Currently, most of the maintenance is carried out by personnel climbing up to a height for regular cleaning. Therefore, the existing alarm does not have the corresponding regular automatic cleaning function of the vent hole and cannot meet the needs of existing production and life. Utility Model Content

[0004] The purpose of the utility model is to provide a gas monitoring alarm to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a gas monitoring alarm, comprising:

[0006] A shell body with a lower vent hole and an upper vent hole on the outer side;

[0007] A circuit board is placed inside the housing, and an odor sensor, an MCU module, and a timer are arranged on the outside of the circuit board;

[0008] The unblocking component is placed in the shell, and the unblocking component includes a connecting plate slidably arranged inside the shell and an electromagnetic component driving the connecting plate. A lower cleaning plate and an upper cleaning plate are respectively provided at both ends of the connecting plate for cleaning the lower vent and the upper vent.

[0009] Preferably, a connecting protrusion is fixedly connected to one side of the shell, a mounting plate is clamped to one side of the shell, and a limiting groove cooperating with the connecting protrusion is formed on one side of the mounting plate.

[0010] Preferably, a support plate is fixedly connected to the bottom of the limiting groove for positioning the shell from the bottom.

[0011] Preferably, a buzzer and a switch button are provided on the outside of the shell, and an indicator light is provided on the outside of the shell and below the switch button. The indicator light, odor sensor, timer, switch button and buzzer are all electrically connected to the MCU module.

[0012] Preferably, the dredging component further comprises a support frame fixedly connected to the inner wall of the shell, the connecting plate is slidably connected to the support frame, and a return spring is sleeved on the outer side of the support frame and located between the shell and the connecting plate.

[0013] Preferably, the lower ventilation holes are multiple vertically arranged rectangular holes and arranged horizontally, and the lower cleaning plates correspond to the lower ventilation holes one by one. The upper ventilation holes are multiple horizontally arranged rectangular holes and arranged up and down, and the upper cleaning plates correspond to the upper ventilation holes one by one.

[0014] Preferably, the electromagnetic assembly is two electromagnets, which are respectively fixed to corresponding positions of the connecting plate and the supporting frame, and the two electromagnets have the same magnetic poles when power is supplied.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows: by setting up the upper cleaning plate and the lower cleaning plate, the vent holes can be cleaned automatically and regularly under the action of the electromagnetic component and the timer, reducing the need for manual maintenance and ensuring that the sensitivity and accuracy of the sensor will not be reduced due to the blockage of the vent holes; by keeping the vent holes clean, it is ensured that the outside air can flow in freely, so that timely and accurate gas detection can be carried out, and potential fire and explosion risks can be prevented; the mounting plate is fixed by screws or bonding, and the sliding engagement between the shell and the mounting plate facilitates installation and subsequent maintenance and replacement work. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a structural schematic diagram of the mounting plate of the utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the housing of the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the dredging component of the utility model.

[0020] In the figure: 1. Shell; 2. Lower vent; 3. Upper vent; 4. Buzzer; 5. Switch button; 6. Indicator light; 7. Reset spring; 8. Mounting plate; 9. Limiting groove; 10. Connecting bump; 11. Support plate; 12. Circuit board; 13. MCU module; 14. Odor sensor; 15. Timer; 16. Connecting plate; 17. Lower cleaning plate; 18. Upper cleaning plate; 19. Support frame; 20. Electromagnet. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 , 2 As shown in Figures 3 and 4, the utility model provides a technical solution: a gas monitoring alarm, comprising: a shell 1 with a lower air vent 2 and an upper air vent 3 on the outside, the shell 1 is made of plastic; a circuit board 12 is installed inside the shell 1 by screws, an odor sensor 14, an MCU module 13 and a timer 15 are provided on the outside of the circuit board 12, and the odor sensor 14 is a combustible gas sensor; a clearing component is placed in the shell 1, the clearing component includes a connecting plate 16 slidably arranged inside the shell 1 and an electromagnetic component driving the connecting plate 16, and a lower cleaning plate 17 and an upper cleaning plate 18 are respectively provided at both ends of the connecting plate 16 for cleaning the lower air vent 2 and the upper air vent 3.

[0023] It should be noted that a power module is provided inside the housing 1 of the utility model, and the power module is connected to an external socket strip through a wire. During use, under the action of the timer 15, the MCU module 13 controls the electromagnetic component to work, so that under the thrust of the electromagnetic component, the connecting plate 16 drives the upper cleaning plate 18 and the lower cleaning plate 17 to move, so that the lower cleaning plate 17 is inserted into the lower air vent 2, and the upper cleaning plate 18 is inserted into the upper air vent 3, so as to clean the lower air vent 2 and the upper air vent 3, prevent oil smoke and the like from clogging the lower air vent 2 and the upper air vent 3, affect the entry of outside air, and affect the sensitivity of the odor sensor 14. By setting the upper cleaning plate and the lower cleaning plate, under the action of the electromagnetic component and the timer, the air vent can be cleaned automatically and regularly, reducing the need for manual maintenance, and ensuring that the sensitivity and accuracy of the sensor will not be reduced due to the blockage of the air vent; by keeping the air vent clean, it is ensured that outside air can flow in freely, so that timely and accurate gas detection can be performed.

[0024] See also Figure 2 As shown, a connecting protrusion 10 is fixedly connected to one side of the shell 1, a mounting plate 8 is clamped to one side of the shell 1, a limiting groove 9 is opened on one side of the mounting plate 8 to cooperate with the connecting protrusion 10, and a supporting plate 11 is fixedly connected to the bottom of the limiting groove 9 for positioning the shell 1 from the bottom.

[0025] It should be noted that one side of the mounting plate 8 of the utility model is provided with double-sided tape and mounting holes are provided at its four corners, so that the mounting plate 8 can be connected to the wall by bonding or screwing. During installation, when the bottom of the shell 1 contacts the support plate 11, the position of the connecting protrusion 10 corresponds to the position of the limiting groove 9. When the shell 1 is slid to one side on the top of the support plate 11 and against the mounting plate 8, the limiting groove 9 cooperates with the connecting protrusion 10 to connect, so that the shell 1 is installed and fixed. The sliding connection between the shell and the mounting plate is convenient for installation and subsequent maintenance and replacement work.

[0026] See also Figure 3 As shown, a buzzer 4 and a switch button 5 are provided on the outside of the shell 1, and an indicator light 6 is provided on the outside of the shell 1 and below the switch button 5. The indicator light 6, the odor sensor 14, the timer 15, the switch button 5 and the buzzer 4 are all electrically connected to the MCU module 13.

[0027] It should be noted that the buzzer 4 of the utility model is located on the outside of the shell 1, and is used to sound an alarm when combustible gas or other dangerous situations are detected; the switch button 5 is used to manually control the switch state of the alarm, and can start or turn off the alarm; the indicator light 6 is used to indicate the working status of the alarm or other important information, such as power status and fault status; the odor sensor 14 is a combustible gas sensor, which is used to detect combustible gas in the air, can sense the gas concentration and transmit the signal to the alarm system; the timer 15 is used to control the execution of specific time-related functions, such as timed cleaning of the vents; the MCU module 13 is a microcontroller unit module, which is responsible for controlling the operation of the entire alarm system, and is used to receive and process sensor data, and control the working status of the indicator light and buzzer components.

[0028] See also Figure 3 , 4 As shown, the dredging component also includes a support frame 19 fixed to the inner wall of the shell 1, the connecting plate 16 is slidably connected to the support frame 19, and a reset spring 7 is sleeved on the outer side of the support frame 19 and located between the shell 1 and the connecting plate 16. The lower air vent 2 is a plurality of vertically arranged rectangular holes and arranged horizontally, the lower cleaning plate 17 corresponds to the lower air vent 2 one by one, the upper air vent 3 is a plurality of horizontally arranged rectangular holes and arranged up and down, the upper cleaning plate 18 corresponds to the upper air vent 3 one by one, and the electromagnetic component is two electromagnets 20, and the two electromagnets 20 are respectively fixed to the corresponding positions of the connecting plate 16 and the support frame 19, and the two electromagnets 20 have the same magnetic poles when energized.

[0029] It should be noted that the support frame 19 of the utility model is composed of two metal rods and a plastic plate to form an n-shaped structure bracket, the connecting plate 16 is slidably connected to the metal rod, and the return spring 7 is sleeved on the metal rod and located between the shell 1 and the connecting plate 16, so as to restore the sliding connecting plate to the initial position; the lower vent hole 2 is a plurality of vertically arranged rectangular holes and arranged horizontally, and the upper vent hole 3 is a plurality of horizontally arranged rectangular holes and arranged up and down, both of which are used for ventilation, so as to facilitate the detection of the external space through the odor sensor 14; the lower cleaning plate 17 and the upper cleaning plate 1 8 cleans the vent hole by periodically penetrating through it and then retracting; the two electromagnets are fixedly connected to the corresponding positions of the connecting plate 16 and the supporting frame 19 respectively; when powered on, the magnetic poles of the two electromagnets are the same, and the two will repel each other, and the repulsive force pushes the connecting plate 16 to slide on the outside of the metal rod, so that the upper cleaning plate 18 and the lower cleaning plate 17 enter the vent hole. After power is cut off, the reset spring 7 drives the connecting plate 16 to reset, so that the upper cleaning plate 18 and the lower cleaning plate 17 are at a certain distance from the vent hole to avoid blockage caused by air entry.

[0030] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0031] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0032] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gas monitoring alarm, characterized in that: include: A housing (1) having a lower vent hole (2) and an upper vent hole (3) on the outer side; A circuit board (12), the circuit board (12) being placed inside the housing (1), and an odor sensor (14), an MCU module (13) and a timer (15) being arranged on the outside of the circuit board (12); A dredging component is disposed in the housing (1), the dredging component comprising a connecting plate (16) slidably disposed inside the housing (1) and an electromagnetic component for driving the connecting plate (16), a lower cleaning plate (17) and an upper cleaning plate (18) being respectively disposed at both ends of the connecting plate (16) for cleaning the lower vent hole (2) and the upper vent hole (3).

2. A gas monitoring alarm according to claim 1, characterized in that: A connecting protrusion (10) is fixedly connected to one side of the shell (1), a mounting plate (8) is clamped to one side of the shell (1), and a limiting groove (9) cooperating with the connecting protrusion (10) is provided on one side of the mounting plate (8).

3. A gas monitoring alarm according to claim 2, characterized in that: A support plate (11) is fixedly connected to the bottom of the limiting groove (9) and is used to position the housing (1) from the bottom.

4. A gas monitoring alarm according to claim 1, characterized in that: A buzzer (4) and a switch button (5) are provided on the outside of the housing (1); an indicator light (6) is provided on the outside of the housing (1) and below the switch button (5); the indicator light (6), the odor sensor (14), the timer (15), the switch button (5) and the buzzer (4) are all electrically connected to the MCU module (13).

5. A gas monitoring alarm according to claim 1, characterized in that: The dredging component also includes a support frame (19) fixedly connected to the inner wall of the shell (1), the connecting plate (16) is slidably connected to the support frame (19), and a return spring (7) is sleeved on the outer side of the support frame (19) and located between the shell (1) and the connecting plate (16).

6. A gas monitoring alarm according to claim 5, characterized in that: The lower ventilation holes (2) are a plurality of rectangular holes arranged vertically and arranged horizontally, the lower cleaning plates (17) correspond one-to-one with the lower ventilation holes (2), the upper ventilation holes (3) are a plurality of rectangular holes arranged horizontally and arranged vertically, and the upper cleaning plates (18) correspond one-to-one with the upper ventilation holes (3).

7. A gas monitoring alarm according to claim 6, characterized in that: The electromagnetic assembly comprises two electromagnets (20), the two electromagnets (20) being fixedly connected to corresponding positions of the connecting plate (16) and the supporting frame (19), respectively, and the two electromagnets (20) have the same magnetic poles when energized.

Images