Combustible gas detection alarm

Abstract

The utility model discloses a combustible gas detection alarm, which comprises an alarm main body, an exhaust pipe is fixedly connected above one side of the alarm main body, a gas inlet pipe is fixedly connected above the other side of the alarm main body, a frame is fixedly connected to the inner ring of the gas inlet pipe, a fan is rotatably matched in the frame, and a gas outlet pipe is fixedly connected above the frame. One end of the air inlet pipe is in threaded connection with a fixed net cover; a plurality of fixing blocks are fixedly connected to the inner wall of the alarm body, clamping grooves are formed in the two sides of the interior of each fixing block, and clamping blocks are arranged between the clamping grooves. According to the utility model, the handle, the rear cover plate, the clamping block and the rubber convex block are arranged, so that when internal parts of the alarm main body need to be maintained, the handle can be rotated to open, the rear cover plate is rotated, and the clamping block is separated from the rubber convex block, so that the fixed block can be separated, and the rear cover plate can be disassembled; and the internal replacement or maintenance effect is achieved, and the disassembly and assembly convenience is improved.

Description

Technical Field

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

[0002] With the widespread use of flammable gases in modern life, such as natural gas, liquefied petroleum gas, etc., safety accidents caused by flammable gas leakage also occur from time to time. In order to ensure the safety of the living environment, flammable gas alarms have become an indispensable device.

[0003] When the combustible gas enters the electrochemical sensor, the gas detector in the prior art will trigger an electrochemical reaction and generate a current signal. According to the change of the current signal, the combustible gas alarm can accurately determine the concentration of the combustible gas and issue a corresponding alarm, but it requires the natural flow of gas to enter, resulting in low detection efficiency and inconvenience in use. Utility Model Content

[0004] The purpose of the utility model is to provide a combustible gas detection alarm, which introduces gas in the air by starting the fan. At the same time, the fixed net inside the fixed net cover can block impurities during the gas entering. After the gas enters the interior of the alarm body, it is sensed by the electrochemical sensor and then the detected gas is discharged through the exhaust pipe.

[0005] To achieve the above object, a combustible gas detection alarm is provided, comprising: an alarm body, an exhaust pipe is fixedly connected to the upper side of one side of the alarm body, an intake pipe is fixedly connected to the upper side of the other side of the alarm body, a frame is fixedly connected to the inner circle of the intake pipe, a fan is rotatably matched inside the frame, and a fixed mesh cover is threadedly connected to one end of the intake pipe;

[0006] A plurality of fixing blocks are fixedly connected to the inner wall of the alarm body, and card slots are provided on both sides of the inside of the fixing blocks, and card blocks are arranged between the card slots.

[0007] According to the combustible gas detection alarm, a sealing ring is fixedly connected to the rear side of the clamping block, and a rear cover plate is fixedly connected to the rear side of the sealing ring.

[0008] According to the combustible gas detection alarm, a handle is rotatably connected to the rear side of the rear cover plate.

[0009] According to the combustible gas detection alarm, a fixed sleeve is fixedly connected to the middle of the bottom end of the alarm body, and a bolt column is fixedly connected to the bottom end of the fixed sleeve.

[0010] According to the combustible gas detection alarm, a control panel is fixedly connected to the middle of the front side of the alarm body, and an indicator light is provided at the bottom end of the control panel.

[0011] According to the combustible gas detection alarm, an alarm light is fixedly connected to one side of the top end of the alarm body.

[0012] According to the combustible gas detection alarm, support springs are fixedly connected to both sides of the inner portion of the card slot, a rubber protrusion is fixedly connected to one end of the support spring, and the rubber protrusion and the card block are snap-fitted.

[0013] According to the combustible gas detection alarm, an electrochemical sensor is arranged inside the alarm body.

[0014] The above scheme has the following beneficial effects:

[0015] 1. The utility model is provided with a fan, a fixed mesh cover, a blood spot sensor and an exhaust pipe. Since the fan is set in reverse, the fan is started to introduce gas in the air. At the same time, the fixed mesh inside the fixed mesh cover can block impurities during the gas entering. After the gas enters the interior of the alarm body, it is sensed by the electrochemical sensor and then the detected gas is discharged through the exhaust pipe. This structure can detect and alarm the presence of gas in the gas, and can improve the circulation of gas.

[0016] 2. The utility model is provided with a handle, a rear cover, a card block and a rubber protrusion. When it is necessary to maintain the internal parts of the alarm body, the handle can be turned to open it, and the rear cover can be rotated to separate the card block from the rubber protrusion, so as to complete the separation from the fixed block and complete the disassembly of the rear cover, which is convenient for disassembly to replace or maintain the internal parts, thereby improving the convenience of disassembly and assembly.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0019] Figure 1 This is a disassembled diagram of the alarm body and rear cover of a combustible gas detection alarm of the utility model;

[0020] Figure 2 This is a rear side sectional front view of a combustible gas detection alarm of the utility model;

[0021] Figure 3 For this utility model Figure 2A in the enlarged view;

[0022] Figure 4 The utility model is a three-dimensional structural diagram of a rear cover plate of a combustible gas detection alarm.

[0023] Legend:

[0024] 1. Alarm body; 2. Control panel; 3. Exhaust pipe; 4. Fixed sleeve; 5. Sealing ring; 6. Block; 7. Fixed mesh cover; 8. Fan; 9. Intake pipe; 10. Bolt column; 11. Alarm light; 12. Electrochemical sensor; 13. Support spring; 14. Slot; 15. Rubber bump; 16. Fixed block; 17. Rear cover; 18. Handle. DETAILED DESCRIPTION

[0025] 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.

[0026] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present utility model; the terms "first", "second" and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0027] Reference Figure 1-4The utility model embodiment is a combustible gas detection alarm, which includes: an alarm body 1, an exhaust pipe 3 is fixedly connected to the upper side of one side of the alarm body 1, and the detected gas is discharged through the exhaust pipe 3, and an intake pipe 9 is fixedly connected to the upper side of the other side of the alarm body 1, and the inner circle of the intake pipe 9 is fixedly connected to a frame, and the internal rotation of the frame is matched with a fan 8. By starting the fan 8, the gas in the air is introduced, and then the gas enters the interior of the alarm body 1. Since the fan 8 is set in the reverse direction, the introduction of gas can be increased. One end of the intake pipe 9 is threadedly connected to a fixed mesh The cover 7 has a fixed net inside which can block impurities during the process of gas entering. A fixed sleeve 4 is fixedly connected to the middle of the bottom end of the alarm body 1. A bolt column 10 is fixedly connected to the bottom end of the fixed sleeve 4. The bolt column 10 is fixed to the alarm body 1 by installing and fixing it to the position to be detected. A control panel 2 is fixedly connected to the middle of the front side of the alarm body 1, and an indicator light is provided at the bottom end of the control panel 2. An electrochemical sensor 12 is provided inside the alarm body 1. After the gas enters the interior of the alarm body 1, the electrochemical sensor 12 performs sensing operation;

[0028] The inner wall of the alarm body 1 is fixedly connected with a plurality of fixing blocks 16. Both sides of the fixing block 16 are provided with card slots 14. The card slots 14 and the card blocks 6 are connected to achieve fixation. Card blocks 6 are arranged between the card slots 14. The rear cover 17 is rotated to separate the card blocks 6 from the rubber protrusions 15, so as to complete the separation of the fixing blocks 16 and complete the disassembly of the rear cover 17. The rear side of the card block 6 is fixedly connected with a sealing ring 5, and the sealing performance is increased by the sealing ring 5. The rear side of the sealing ring 5 is fixedly connected with the rear cover 17, and the rear side of the rear cover 17 is rotatably connected with The handle 18 can be turned to open it when the internal parts of the alarm body 1 need to be maintained, and the handle 18 can be turned to the rear cover 17. The alarm light 11 is fixedly connected to the top side of the alarm body 1, and the support springs 13 are fixedly connected to the inner sides of the card slot 14. The support springs 13 are elastically supported, and rubber protrusions 15 are added to increase the elastic support, so as to achieve a firm contact fixation and convenient disassembly. One end of the support spring 13 is fixedly connected to the rubber protrusion 15, and the rubber protrusion 15 and the card block 6 are snap-fitted.

[0029] Working principle: When in use, first fix the bolt column 10 to the position to be detected, and fix it to the alarm body 1. Then, start the fan 8 to introduce the gas in the air, and then the gas enters the interior of the alarm body 1. Since the fan 8 is set in reverse, the introduction of gas can be increased. During the gas entry process, the fixed net inside the fixed net cover 7 can block impurities. After the gas enters the interior of the alarm body 1, it is sensed by the electrochemical sensor 12, and then the detected gas is discharged through the exhaust pipe 3. When there is gas in the gas, it can be sensed by the electrochemical sensor 12 in the prior art, and the alarm function is completed by the alarm light 11. When it is necessary to maintain the internal components of the alarm body 1, the handle 18 can be turned to open it, and it can be rotated to the rear cover 17 to separate the block 6 from the rubber protrusion 15, so as to complete the separation from the fixed block 16 and complete the disassembly of the rear cover 17.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A combustible gas detection alarm, comprising: The alarm body (1) is characterized in that an exhaust pipe (3) is fixedly connected to the upper side of one side of the alarm body (1), an air intake pipe (9) is fixedly connected to the upper side of the other side of the alarm body (1), the inner circle of the air intake pipe (9) is fixedly connected to a frame, a fan (8) is rotatably matched inside the frame, and one end of the air intake pipe (9) is threadedly connected to a fixed mesh cover (7); A plurality of fixing blocks (16) are fixedly connected to the inner wall of the alarm body (1), and both sides of the fixing blocks (16) are provided with card slots (14), and card blocks (6) are arranged between the card slots (14).

2. A combustible gas detection alarm according to claim 1, characterized in that: The rear side of the clamping block (6) is fixedly connected to a sealing ring (5), and the rear side of the sealing ring (5) is fixedly connected to a rear cover plate (17).

3. A combustible gas detection alarm according to claim 2, characterized in that: The rear side of the rear cover plate (17) is rotatably connected to a handle (18).

4. A combustible gas detection alarm according to claim 1, characterized in that: A fixed sleeve (4) is fixedly connected to the middle of the bottom end of the alarm body (1), and a bolt column (10) is fixedly connected to the bottom end of the fixed sleeve (4).

5. A combustible gas detection alarm according to claim 1, characterized in that: A control panel (2) is fixedly connected to the middle of the front side of the alarm body (1), and an indicator light is arranged at the bottom end of the control panel (2).

6. A combustible gas detection alarm according to claim 1, characterized in that: A warning light (11) is fixedly connected to one side of the top end of the alarm body (1).

7. A combustible gas detection alarm according to claim 1, characterized in that: Support springs (13) are fixedly connected to both sides of the interior of the clamping slot (14), a rubber convex block (15) is fixedly connected to one end of the support spring (13), and the rubber convex block (15) and the clamping block (6) are clamped and matched.

8. A combustible gas detection alarm according to claim 1, characterized in that: An electrochemical sensor (12) is arranged inside the alarm body (1).

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