Photoacoustic spectrum detection laser gas alarm

Abstract

The utility model relates to the technical field of laser gas alarms, in particular to a photoacoustic spectrum detection laser gas alarm, which comprises an alarm body, a sound-light alarm module and a laser transmitter are arranged in the alarm body, a laser receiver is arranged on one side of the laser transmitter, and a laser gas alarm is arranged on the other side of the laser transmitter. A battery is arranged in the alarm body, a multimode mounting mechanism is arranged on the surface of the alarm body, a filtering mechanism is arranged on one side of the laser transmitter and the laser receiver, an air inlet net, a limiting clamping strip, a drying layer and an air inlet are arranged in the filtering mechanism, and a replacement mechanism is arranged on the outer side of the battery. According to the laser gas alarm, the service life of the laser gas alarm is prolonged, the convenience degree of battery replacement of the laser gas alarm is improved, and the flexibility of installation of the laser gas alarm is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser gas alarm technical field, concretely is a kind of photoacoustic spectroscopy detection laser gas alarm. BACKGROUND

[0002] Photoacoustic spectroscopy detection laser gas alarm is the interaction between laser beam and target gas molecules to detect the existence of gas, concentration or other related parameters, once gas concentration reaches alarm setting value, gas alarm will issue sound and light alarm signal, remind personnel to take effective measures quickly.

[0003] Laser gas alarm is generally installed in the area where gas leakage may occur, such as kitchen, gas water heater, etc., which is easy to cause oil fume or water vapor to enter the inside of laser gas alarm through the air inlet detection hole of laser gas alarm, which is easy to affect the service life of laser gas alarm;The battery of laser gas alarm is generally arranged on the mounting surface, and if it needs to be replaced, the laser gas alarm needs to be disassembled first, which is more cumbersome, thereby reducing the convenience degree of replacing the battery of laser gas alarm;Laser gas alarm can be installed on the wall surface or on the surface of gas pipeline in one of the installation modes, and the flexibility is low. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of photoacoustic spectroscopy detection laser gas alarm to solve the problems of the above background art that laser gas alarm is easy to affect service life when using, the convenience degree is low when replacing battery and the flexibility is low.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of photoacoustic spectroscopy detection laser gas alarm, including alarm body, sound and light alarm module is installed in the inside of the alarm body, laser emitter is installed in the inside of the alarm body, laser receiver is arranged on the side of the laser emitter, battery is arranged in the inside of the alarm body, multiple mode installation mechanism is arranged on the surface of the alarm body, multiple mode installation assembly and mounting piece are included in the inside of the multiple mode installation mechanism, filter mechanism is arranged on the side of the laser emitter and laser receiver, the inside of the filter mechanism includes air inlet net, limit clamping strip, drying layer and air inlet, replacement mechanism is arranged on the outside of the battery, the replacement mechanism is composed of cover plate, sealing gasket, fastening bolt and accommodating groove.

[0006] Preferably, mounting pieces are fixed at the corner positions of the surface of the alarm body, and multiple mode installation assemblies are arranged between the mounting pieces.

[0007] Preferably, the multi-mode mounting assembly is composed of an upper clamp, a lower clamp, a clamping column and a clamping groove, the surface cover of the alarm body is provided with the upper clamp, and the lower clamp is arranged below the upper clamp.

[0008] Preferably, the clamping column is fixed to the two sides of the surface of the upper clamp, and the clamping groove is arranged on the surface of the alarm body.

[0009] Preferably, the surface of the alarm body is provided with an air inlet, the structure of the air inlet is a stepped structure, and the dry layer is arranged in the air inlet.

[0010] Preferably, the two sides of the surface of the alarm body are fixed with limiting clamping strips, and the limiting clamping strips are located outside the dry layer.

[0011] Preferably, the inner side of the limiting clamping strip is provided with an air inlet net, the air inlet net and the limiting clamping strip are mutually clamped and matched, and the surface of the air inlet net is tightly attached to the surface of the air inlet.

[0012] Preferably, one side of the alarm body is provided with a containing groove for mounting a battery, the surface of the containing groove is provided with a cover plate, and one end of the cover plate is rotationally connected with the surface of the alarm body.

[0013] Preferably, the edge position of the surface of the cover plate is adhered with a sealing gasket, and the surface of the sealing gasket is tightly attached to the surface of the alarm body.

[0014] Preferably, the two sides of the bottom of the cover plate are screw-connected with fastening bolts, and one end of the fastening bolt penetrates through the cover plate and is screw-fastened with the surface of the alarm body.

[0015] Compared with the prior art, the photoacoustic spectrum detection laser gas alarm not only prolongs the service life of the laser gas alarm, improves the convenience degree when the laser gas alarm replaces the battery, and improves the flexibility when the laser gas alarm is installed.

[0016] By arranging the filtering mechanism, the dry layer can be placed in the air inlet before use, then the air inlet net is covered on the surface of the dry layer, the air inlet net is extruded on the dry layer, the dry layer is clamped on the surface of the limiting clamping strip, and the air inlet net is fixed under the clamping cooperation of the limiting clamping strip and the air inlet net, so that the dry layer is fixed, when used, the water vapor and part of the oil fume can be intercepted and adsorbed by the dry layer, the water vapor and the oil fume are reduced to enter the inside of the alarm body, so as to realize the filtering function of the laser gas alarm on the entering gas, thereby prolonging the service life of the laser gas alarm.

[0017] By setting the replacement mechanism, if the battery needs to be replaced, the alarm body does not need to be disassembled, only the fastening bolt is loosened, the fastening bolt is away from the alarm body, the cover plate is rotated, the battery in the storage slot is replaced, the function that the laser gas alarm is convenient to replace the battery is realized, the alarm body does not need to be disassembled, and therefore the convenience degree when the laser gas alarm replaces the battery is improved.

[0018] By setting the multi-mode mounting mechanism, the alarm body is mounted on the wall surface through the cooperation of the mounting piece and the screw, if the alarm body needs to be mounted on the surface of the gas pipeline, the lower clamp is first fixed on the surface of the pipeline, then the alarm body is placed above the lower clamp, the clamping groove is clamped to the outside of the clamping column, the alarm body is fixed, then the upper clamp is covered on the surface of the alarm body, the clamping column on the surface of the upper clamp is clamped into the clamping groove, the alarm body is clamped and fixed under the action of the upper clamp and the lower clamp, then the upper clamp is fixed with the pipeline, and the alarm body is mounted on the surface of the pipeline, so that the multi-mode mounting function of the laser gas alarm is realized, and the flexibility during installation of the laser gas alarm is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional appearance structure schematic view of the utility model;

[0020] Figure 2 It is a front appearance structure schematic view of the utility model;

[0021] Figure 3 It is a front section structure schematic view of the utility model;

[0022] Figure 4 It is an enlarged structure schematic view of the replacement mechanism of the utility model.

[0023] In the drawing: 1, alarm body; 11, audible and light alarm module; 12, laser emitter; 13, laser receiver; 14, battery; 2, multi-mode mounting mechanism; 21, multi-mode mounting assembly; 211, upper clamp; 212, lower clamp; 213, clamping column; 214, clamping groove; 22, mounting piece; 3, filtering mechanism; 31, air inlet net; 32, limiting clamping strip; 33, drying layer; 34, air inlet; 4, replacement mechanism; 41, cover plate; 42, sealing gasket; 43, fastening bolt; 44, storage slot. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. In addition, the terms "first", "second", "third", "upper", "lower", "left", "right" and the like are only used for the purpose of description, and cannot be understood as indicating or implying relative importance. Meanwhile, in the description of the utility model, unless explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0025] The structure of the photoacoustic spectrum detection laser gas alarm provided by the utility model is shown as Figure 1 and Figure 2 The utility model provides a kind of photoacoustic spectrum detection laser gas alarm, including alarm body 1, sound-light alarm module 11 is installed in the inside of alarm body 1, laser emitter 12 is installed in the inside of alarm body 1, laser receiver 13 is provided on the side of laser emitter 12, battery 14 is provided in the inside of alarm body 1.

[0026] Further, as shown in Figure 2 and Figure 3 The surface of alarm body 1 is provided with multi-mode mounting mechanism 2, and the inside of multi-mode mounting mechanism 2 includes multi-mode mounting assembly 21 and mounting sheet 22. The corner position of the surface of alarm body 1 is fixed with mounting sheet 22, and multi-mode mounting assembly 21 is arranged between mounting sheet 22. Multi-mode mounting assembly 21 is composed of upper hoop 211, lower hoop 212, clamping column 213 and clamping groove 214. The surface of alarm body 1 is covered with upper hoop 211. Lower hoop 212 is arranged below upper hoop 211. Clamping column 213 is fixed on both sides of the surface of lower hoop 212 and upper hoop 211. Clamping groove 214 is arranged on the surface of both sides of alarm body 1. Clamping groove 214 and clamping column 213 are mutually clamped and matched.

[0027] In use, the alarm body 1 is installed on the wall surface through the cooperation of the mounting piece 22 and the screw, and if the alarm body 1 needs to be installed on the surface of the gas pipeline, the lower clamp 212 is first sleeved on the surface of the pipeline, then the alarm body 1 is placed above the lower clamp 212, the clamping groove 214 is clamped to the outside of the clamping column 213, the alarm body 1 is fixed, then the upper clamp 211 is covered on the surface of the alarm body 1, the clamping column 213 on the surface of the upper clamp 211 is clamped to the inside of the clamping groove 214, the alarm body 1 is clamped and fixed under the action of the upper clamp 211 and the lower clamp 212, then the upper clamp 211 is fixed with the pipeline, and the alarm body 1 is installed on the surface of the pipeline, so as to realize the multi-mode installation function of the laser gas alarm.

[0028] Further, as shown in Figure 2 and Figure 3 , the laser emitter 12 and the laser receiver 13 are provided with a filtering mechanism 3 on one side, the inside of the filtering mechanism 3 contains an air inlet net 31, a limiting clamping strip 32, a drying layer 33 and an air inlet 34, the surface of the alarm body 1 is provided with an air inlet 34, the structure of the air inlet 34 is a stepped structure, the inside of the air inlet 34 is placed with a drying layer 33, the surface of the alarm body 1 is fixed with a limiting clamping strip 32 on both sides, the limiting clamping strip 32 is located outside the drying layer 33, the inside of the limiting clamping strip 32 is placed with an air inlet net 31, the air inlet net 31 is matched with the limiting clamping strip 32, and the surface of the air inlet net 31 is tightly attached to the surface of the air inlet 34.

[0029] In use, the drying layer 33 can be placed inside the air inlet 34 before use, then the air inlet net 31 is covered on the surface of the drying layer 33, so that the air inlet net 31 extrudes the drying layer 33, at this time the drying layer 33 is clamped to the surface of the limiting clamping strip 32, and the air inlet net 31 is fixed under the clamping action of the limiting clamping strip 32 and the air inlet net 31, so as to fix the drying layer 33, in use, water vapor and part of the oil fume can be intercepted and adsorbed by the drying layer 33, so as to reduce the water vapor and the oil fume entering the inside of the alarm body 1, so as to realize the filtering function of the laser gas alarm to the entering gas.

[0030] Further, as shown in Figure 4 , the outside of the battery 14 is provided with a replacement mechanism 4, the replacement mechanism 4 is composed of a cover plate 41, a sealing gasket 42, a fastening bolt 43 and a receiving groove 44, one side of the alarm body 1 is provided with a receiving groove 44 for installing the battery 14, the surface of the receiving groove 44 is covered with a cover plate 41, one end of the cover plate 41 is rotatably connected with the surface of the alarm body 1, the sealing gasket 42 is adhered to the edge position of the surface of the cover plate 41, the surface of the sealing gasket 42 is tightly attached to the surface of the alarm body 1, the two sides of the bottom of the cover plate 41 are threadedly connected with fastening bolts 43, one end of the fastening bolt 43 penetrates through the cover plate 41 and is threadedly fastened with the surface of the alarm body 1.

[0031] When the battery 14 needs to be replaced, the alarm body 1 does not need to be disassembled, only the fastening bolt 43 needs to be loosened, the fastening bolt 43 is moved away from the alarm body 1, the cover plate 41 is rotated, the cover plate 41 is opened, the battery 14 in the receiving groove 44 is replaced, and the function of the laser gas alarm that the battery 14 is convenient to replace is realized.

[0032] Working principle: in use, first, the alarm body 1 is installed on the wall surface through the cooperation of the mounting piece 22 and the screw, if the alarm body 1 needs to be installed on the surface of the gas pipeline, the lower clamp 212 is first sleeved on the surface of the pipeline, then the alarm body 1 is placed above the lower clamp 212, the clamping groove 214 is clamped to the outside of the clamping column 213, the alarm body 1 is fixed, then the upper clamp 211 is covered on the surface of the alarm body 1, the clamping column 213 on the surface of the upper clamp 211 is clamped into the clamping groove 214, the alarm body 1 is clamped and fixed under the action of the upper clamp 211 and the lower clamp 212, then the upper clamp 211 is fixed with the pipeline, the alarm body 1 is installed on the surface of the pipeline, the multi-mode installation function of the laser gas alarm is realized, and the flexibility during installation of the laser gas alarm is improved.

[0033] Before use, the dry layer 33 can be placed in the air inlet 34, then the air inlet net 31 is covered on the surface of the dry layer 33, the air inlet net 31 extrudes the dry layer 33, at this time, the dry layer 33 is clamped to the surface of the limiting clamping strip 32, the air inlet net 31 is fixed under the clamping action of the limiting clamping strip 32 and the air inlet net 31, so as to fix the dry layer 33, in use, water vapor and part of the oil fume can be intercepted and adsorbed by the dry layer 33, reducing the water vapor and the oil fume entering the alarm body 1, so as to realize the filtering function of the laser gas alarm to the entering gas, and prolong the service life of the laser gas alarm.

[0034] In use, the external environment gas diffuses into the optical cavity in the alarm body 1 through the air inlet net 31 and the air inlet 34, the laser emitter 12 and the laser receiver 13 are used to detect the gas concentration in the external environment gas, once the gas concentration reaches the alarm setting value, the acousto-optic alarm module 11 will issue an acousto-optic alarm signal to remind personnel to take effective measures quickly.

[0035] When the battery 14 needs to be replaced, the alarm body 1 does not need to be disassembled, only the fastening bolt 43 needs to be loosened, the fastening bolt 43 is moved away from the alarm body 1, the cover plate 41 is rotated, the cover plate 41 is opened, the battery 14 in the receiving groove 44 is replaced, and the function of the laser gas alarm that the battery 14 is convenient to replace is realized, the alarm body 1 does not need to be disassembled, thereby improving the convenience degree when the battery 14 of the laser gas alarm is replaced, and finally completing the use of the laser gas alarm.

[0036] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than by the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A photoacoustic spectroscopy detection laser gas alarm comprising an alarm body (1), characterized in that: The inside of the alarm body (1) is internally provided with an audible and visual alarm module (11), the inside of the alarm body (1) is internally provided with a laser emitter (12), one side of the laser emitter (12) is provided with a laser receiver (13), the inside of the alarm body (1) is provided with a battery (14), the surface of the alarm body (1) is provided with a multi-mode mounting mechanism (2), the inside of the multi-mode mounting mechanism (2) comprises a multi-mode mounting assembly (21) and a mounting piece (22), one side of the laser emitter (12) and the laser receiver (13) is provided with a filtering mechanism (3), the inside of the filtering mechanism (3) comprises an air inlet net (31), a limiting clamping strip (32), a drying layer (33) and an air inlet (34), the outside of the battery (14) is provided with a replacement mechanism (4), the replacement mechanism (4) is composed of a cover plate (41), a sealing gasket (42), a fastening bolt (43) and a containing groove (44).

2. The photoacoustic spectroscopy detection laser gas alarm according to claim 1, characterized in that: The corners of the surface of the alarm body (1) are fixed with mounting pieces (22), and the mounting pieces (22) are provided with a multi-mode mounting assembly (21).

3. The photoacoustic spectroscopy detection laser gas alarm according to claim 2, characterized in that: The multi-mode mounting assembly (21) is composed of an upper clamp (211), a lower clamp (212), a clamping column (213) and a clamping groove (214), the surface of the alarm body (1) is covered with the upper clamp (211), and the lower clamp (212) is arranged below the upper clamp (211).

4. The photoacoustic spectroscopy detection laser gas alarm according to claim 3, characterized in that: The two sides of the surface of the lower clamp (212) and the upper clamp (211) are fixed with clamping columns (213), and the surfaces of the two sides of the alarm body (1) are provided with clamping grooves (214), and the clamping grooves (214) and the clamping columns (213) are matched with each other.

5. The photoacoustic spectroscopy detection laser gas alarm according to claim 1, characterized in that: The surface of the alarm body (1) is provided with an air inlet (34), the structure of the air inlet (34) is a stepped structure, and the inside of the air inlet (34) is placed with a drying layer (33).

6. The photoacoustic spectroscopy detection laser gas alarm according to claim 5, characterized in that: The two sides of the surface of the alarm body (1) are fixed with limiting clamping strips (32), and the limiting clamping strips (32) are located outside the drying layer (33).

7. The photoacoustic spectroscopy detection laser gas alarm according to claim 6, characterized in that: The inside of the limiting clamping strip (32) is placed with an air inlet net (31), the air inlet net (31) and the limiting clamping strip (32) are matched with each other, and the surface of the air inlet net (31) is tightly attached to the surface of the air inlet (34).

8. The photoacoustic spectroscopy detection laser gas alarm according to claim 1, characterized in that: One side of the alarm body (1) is provided with a containing groove (44) for mounting the battery (14), the surface of the containing groove (44) is covered with a cover plate (41), and one end of the cover plate (41) is rotationally connected with the surface of the alarm body (1).

9. The photoacoustic spectroscopy detection laser gas alarm according to claim 8, characterized in that: The edge position of the surface of the cover plate (41) is adhered with a sealing gasket (42), and the surface of the sealing gasket (42) is tightly attached to the surface of the alarm body (1).

10. The photoacoustic spectroscopy detection laser gas alarm according to claim 9, characterized in that: The two sides of the bottom of the cover plate (41) are threadedly connected with fastening bolts (43), one end of the fastening bolt (43) penetrates through the cover plate (41) and is threadedly fastened with the surface of the alarm body (1).

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