Simple gas alarm detection device

Abstract

The utility model discloses a simple gas alarm detection device, which comprises a sleeve head, a hose and a gas cylinder, the gas cylinder is detachably connected with the input end of the hose, and the sleeve head is detachably connected with the output end of the hose; the gas cylinder comprises a cylinder body in which detection gas with a certain concentration is stored and a valve, and the valve is arranged at an outlet of the gas cylinder to control the gas output of the gas cylinder; the input end of the hose is connected with the outlet of the valve; the side wall of the sleeve head is provided with a through hole for communicating the inside with the outside; and a handle / lifting handle for holding or a flexible belt or a chain for hanging is arranged on the outer side wall of the gas cylinder. The simple gas alarm detection device is simple to operate, convenient to use, low in cost and beneficial to wide application.

Description

Technical Field

[0001] The utility model relates to a gas alarm detection device, in particular to a simple gas alarm detection device. Background Art

[0002] A gas alarm is an alarm instrument for detecting toxic gas leaks. When the gas alarm detects that the concentration of toxic gas reaches the explosion or poisoning safety critical point set by the gas alarm, the gas alarm will send an alarm signal to remind people around to evacuate and ensure life safety.

[0003] In everyday life, gas alarms are installed in kitchens, such as those in homes and restaurants, to detect toxic gases like methane and carbon monoxide. However, after prolonged use, these gas alarms remain inoperable, leaving people unable to determine if they are functioning properly. If a gas alarm fails, it can be difficult to repair or replace it in a timely manner, leading to a gas leak that could threaten life and property. Therefore, regular testing or inspection of these gas alarms is necessary to ensure they are functioning properly. However, accurate inspection of these gas alarms requires sophisticated instruments and equipment, which are often bulky, difficult to carry, and complex to operate. These instruments require specialized personnel, making them difficult for ordinary users to perform independently. This makes it difficult for ordinary households or small businesses to conduct timely inspections, and hiring professional technicians for on-site inspections is prohibitively expensive, hindering widespread adoption by every household or business. Utility Model Content

[0004] The purpose of the utility model is to provide a simple gas alarm detection device which is simple to operate, easy to use, low in cost and conducive to wide use.

[0005] In order to achieve the above-mentioned purpose, the simple gas alarm detection device provided by the utility model includes a sleeve, a hose and a gas cylinder, the gas cylinder is detachably connected to the input end of the hose, and the sleeve is detachably connected to the output end of the hose; the gas cylinder includes a bottle body storing a certain concentration of detection gas and a valve, the valve is arranged at the outlet of the gas cylinder to control the gas output of the gas cylinder; the input end of the hose is connected to the outlet of the valve; the side wall of the sleeve is provided with a through hole connecting its interior and exterior; the outer wall of the gas cylinder is provided with a handle / handle for holding or a flexible belt or chain for mounting.

[0006] Compared with the prior art, the present invention utilizes a gas cylinder that can store detection gas with a certain concentration, and is connected to the sleeve through a hose. Therefore, by pressing the valve of the gas cylinder, the detection gas can flow from the hose to the inside of the sleeve, and at the same time, the sleeve is connected to the detection interface of the gas alarm, so that the detection gas of a certain concentration can be transported to the gas alarm for detection. In addition, since the side wall of the sleeve is provided with a through hole connecting the inside and the outside, the concentration of the detection gas can be maintained basically unchanged inside the sleeve as the detection gas is output, thereby effectively ensuring the detection accuracy of the gas alarm. The entire simple gas alarm detection device uses a portable gas cylinder with a small size. It only needs to press the valve and align the sleeve with the gas alarm. It has a simple structure, simple operation, and is easy to use. Ordinary individuals can quickly operate the detection, and the cost is very low, which is conducive to widespread promotion and use.

[0007] Preferably, the inner diameter of the sleeve decreases from the end close to the outlet to the end close to the hose. This facilitates the use of one sleeve to match gas alarm detection interfaces of different sizes without having to replace different sleeves, thus simplifying the structure of the device and reducing costs.

[0008] Preferably, the sleeve has at least two levels of inner diameters from the end close to the outlet to the end close to the hose, and the inner diameter close to the outlet is larger than the inner diameter close to the hose, and the through hole is located on the side wall of the sleeve close to the hose.

[0009] Preferably, the through holes are symmetrically arranged on the side walls of the sleeve.

[0010] Preferably, the inner diameter of the sleeve gradually decreases from the end close to the outlet to the end close to the hose. This facilitates the use of one sleeve to match gas alarm detection interfaces of different sizes without the need to replace different sleeves, thus simplifying the structure of the device and reducing costs.

[0011] Specifically, the inner diameter of the end of the sleeve close to the outlet is greater than or equal to 55 mm, and the inner diameter of the end of the sleeve close to the hose is less than or equal to 35 mm.

[0012] Preferably, the sleeve is made of elastic silicone. By utilizing the elastic force of the elastic silicone, the sleeve can be firmly sleeved on the outside of the detection interface to avoid falling off, and does not need to be held by hand, which is more convenient to use.

[0013] Preferably, the simple gas alarm detection device further comprises a storage box, wherein the sleeve, the hose and the gas cylinder are accommodated in the storage box. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1It is a structural diagram of a simple gas alarm detection device of the present utility model.

[0015] Figure 2 It is a structural diagram of the first embodiment of the sleeve of the simple gas alarm detection device of the present utility model.

[0016] Figure 3 It is a structural diagram of another embodiment of the sleeve of the simple gas alarm detection device of the present utility model. DETAILED DESCRIPTION

[0017] In order to explain the technical content, structural features and effects achieved by the present invention in detail, the following is a detailed description in conjunction with the embodiments and the accompanying drawings.

[0018] like Figure 1 As shown, the simple gas alarm detection device 100 of the present invention is used to detect gas alarms, which includes a sleeve 1, a hose 2 and a gas cylinder 3, the gas cylinder 3 is detachably connected to the input end of the hose 2, and the sleeve 1 is detachably connected to the output end of the hose 2; the gas cylinder 3 includes a bottle body 31 storing a certain concentration of detection gas and a valve 32, the valve 32 is arranged at the outlet of the gas cylinder 3 to control the gas output of the gas cylinder 3; the input end of the hose 2 is connected to the outlet of the valve 32; the side wall of the sleeve 1 is provided with a through hole 1a connecting the inside and the outside thereof; the through hole 1a is symmetrically arranged on the side wall of the sleeve 1.

[0019] like Figure 2As shown, the inner diameter of the sleeve 1 decreases from the end near outlet 1b to the end near the hose 2. The sleeve 1 has at least two levels of inner diameter from the end near outlet 1b to the end near the hose 2, with the inner diameter near outlet 1b being larger than the inner diameter near the end near the hose 2. The through hole 1a is located on the side wall of the sleeve 1 near the end near the hose 2. This facilitates the use of a single sleeve 1 for the detection interfaces 201 of gas alarms 200 of different sizes, eliminating the need to replace different sleeves 1, simplifying the device structure and reducing costs. In an embodiment, the inner diameter of the sleeve 1 has four levels, namely the first level 11, the second level 12, the third level 13, and the fourth level 14 from the end close to the outlet to the end close to the hose 2, with diameters of 55 mm, 45 mm, 35 mm, and 25 mm, respectively. The first level 11, the second level 12, and the third level 13 are used to connect with the gas alarm detection interface 201 of different outer diameters. The side wall of the fourth level 14 is used to open the through hole 1a. In this way, when the sleeve 1 is connected to the detection interface, a certain space can be reserved for the detection gas of the hose 2 to flow into the sleeve 1. At the same time, the through hole 1a can also be prevented from being blocked by the detection interface 201, ensuring the circulation of the air pressure inside and outside the sleeve 1, thereby ensuring the stability of the concentration of the detection gas inside the sleeve 1. In addition, the diameter of the hose 2 is 0.5 mm to 0.6 mm, and the length is 50 mm to 100 mm.

[0020] For example Figure 3 As shown, in another embodiment, the inner diameter of the sleeve 1' gradually decreases from the end close to the outlet 1b' to the end close to the hose 2, forming a trumpet-shaped structure. Specifically, the inner diameter of the end of the sleeve 1' close to the outlet 1b' is greater than or equal to 55 mm, and the inner diameter of the end of the sleeve 1' close to the hose 2 is less than or equal to 35 mm. The side wall of the sleeve 1 close to the hose 2 is provided with a through hole 1a' connecting the inside and the outside; the through hole 1a' is symmetrically arranged on the side wall of the sleeve 1'. This is conducive to using one sleeve 1' to match gas alarm detection interfaces 201 of different sizes, without the need to replace different sleeves 1', simplifying the structure of the equipment and reducing costs.

[0021] The sleeve 1 is made of elastic silicone. By utilizing the elastic force of the elastic silicone, the sleeve 1 can be firmly sleeved on the outside of the detection interface 201 to avoid falling off, and does not need to be held by hand, making it more convenient to use.

[0022] The portable gas alarm detection system 100 further includes a storage box (not shown), in which the sleeve 1, the hose 2, and the gas cylinder 3 are housed. The storage box makes the entire portable gas alarm detection system 100 smaller and more convenient to carry.

[0023] For example Figure 1 As shown, the outer side wall of the gas cylinder 3 is provided with a handle / handle for holding or a flexible belt 33 or chain for mounting. This makes it convenient for the user to carry the gas cylinder 3 and is more convenient to use.

[0024] In summary, the method for detecting a gas alarm using the simplified gas alarm detection device 100 of the present invention includes the following steps:

[0025] Step S1, determining the type of the gas alarm 200 to be detected, determining the component of the gas to be detected by the gas alarm 200, and determining the alarm reaction time value specified when the gas alarm 200 leaves the factory.

[0026] Step S2, according to the type of detection gas targeted by the gas alarm 200, select the corresponding simple gas alarm detection device 100, so that the gas cylinder 3 of the simple gas alarm detection device 100 stores the detection gas corresponding to the type of the gas alarm 200 and having a certain concentration. Before selecting the simple gas alarm detection device 100, detection gases of different types, concentrations or amounts can be pre-filled into the small gas cylinder 3. For example, methane or carbon monoxide can be filled into the small gas cylinder 3 at a certain concentration to form a simple gas alarm detection device 100 that can detect methane or carbon monoxide. The small gas cylinder 3 can use a gas cylinder with a capacity of 250g or 350g. On the premise of meeting one or more detections, it can reduce weight and improve portability. After knowing what kind of gas to detect, you only need to select the corresponding simple gas alarm detection device 100.

[0027] Step S3 , connecting the input end of the hose 2 to the outlet of the valve 32 of the gas cylinder 3 , and connecting the output end of the hose 2 to the end with a smaller diameter of the sleeve 1 .

[0028] Step S4, put the sleeve 1 on the detection interface 201 of the gas alarm, and then keep pressing the valve 32 so that the gas cylinder 3 continuously releases the detection gas into the detection interface 201 through the hose 2 until the gas alarm 200 sounds an alarm and stops, and at the same time record the duration of releasing the detection gas.

[0029] In step S5, the alarm response time value specified at the factory for the gas alarm 200 is compared with the recorded time duration. If the latter is shorter than the former, the gas alarm passes the test; otherwise, it fails. The alarm response time value specified at the factory for the gas alarm 200 can be found on the housing or instruction manual of the gas alarm 200, or parameters of most gas alarms on the market can be collected and compiled into a table. These parameters can then be recorded uniformly, and the values ​​in the table can be used as a reference during use.

[0030] Compared with the prior art, the present invention utilizes a gas cylinder 3 that can store a certain concentration of detection gas, and is connected to a sleeve 1 via a hose 2. Therefore, by pressing the valve 32 of the gas cylinder 3, the detection gas can flow from the hose 2 to the interior of the sleeve 1. At the same time, the sleeve 1 is connected to the detection interface 201 of the gas alarm 200, and the detection gas of a certain concentration can be delivered to the gas alarm 200 for detection. In addition, because the side wall of the sleeve 1 is provided with a through hole 1a connecting the interior and the exterior, the concentration of the detection gas can be maintained substantially unchanged within the sleeve 1 as the detection gas is output, thereby effectively ensuring the detection accuracy of the gas alarm 200. The entire simplified gas alarm detection device 100 uses a portable gas cylinder 3 with a small size. It only needs to press the valve 32 and connect the sleeve 1 to the gas alarm 200. It has a simple structure, simple operation, and is easy to use. Ordinary individuals can quickly perform the detection. Moreover, the cost is very low, which is conducive to widespread promotion and use.

[0031] The structure of the valve 32 involved in the simple gas alarm detection device 100 of the present invention is well known to those skilled in the art and will not be described in detail here.

[0032] The above disclosure is only a preferred embodiment of the present invention and certainly cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the scope of the patent application of the present invention still fall within the scope covered by the present invention.

Claims

1. A simple gas alarm detection device, characterized by: It includes a sleeve, a hose and a gas cylinder, the gas cylinder is detachably connected to the input end of the hose, and the sleeve is detachably connected to the output end of the hose; the gas cylinder includes a bottle body storing a certain concentration of detection gas and a valve, the valve is arranged at the outlet of the gas cylinder to control the gas output of the gas cylinder; the input end of the hose is connected to the outlet of the valve; the side wall of the sleeve is provided with a through hole connecting its interior and exterior; the outer wall of the gas cylinder is provided with a handle / handle for holding or a flexible belt or chain for mounting.

2. The simplified gas alarm detection device according to claim 1, wherein: The inner diameter of the sleeve decreases from the end close to the outlet to the end close to the hose.

3. The simplified gas alarm detection device according to claim 1, wherein: The sleeve has at least two levels of inner diameters from the end close to the outlet to the end close to the hose, and the inner diameter close to the outlet is larger than the inner diameter close to the hose. The through hole is located on the side wall of the sleeve close to the hose.

4. The simplified gas alarm detection device according to claim 1, wherein: The through holes are symmetrically arranged on the side walls of the sleeve.

5. The simplified gas alarm detection device according to claim 1, characterized in that: The inner diameter of the sleeve gradually decreases from the end close to the outlet to the end close to the hose.

6. The simplified gas alarm detection device according to claim 2 or 5, characterized in that: The inner diameter of the end of the sleeve close to the outlet is greater than or equal to 55 mm, and the inner diameter of the end of the sleeve close to the hose is less than or equal to 35 mm.

7. The simplified gas alarm detection device according to claim 1, characterized in that: The sleeve is made of elastic silicone.

8. The simplified gas alarm detection device according to claim 1, characterized in that: The simple gas alarm detection device further comprises a storage box, in which the sleeve, the hose and the gas cylinder are accommodated.

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