阅读说明：本技术 一种基于移动设备的气体流速放大装置 (Gas flow velocity amplifying device based on mobile equipment ) 是由 葛恒早 王嘉瑞 唐鹏 袁海磊 朱泽 陈诺 吴天豪 于 2019-11-29 设计创作，主要内容包括：本发明公开了一种基于移动设备的气体流速放大装置,包括流速放大器,流速放大器为进气口大、出气口小的两端开口结构,其中出气口插入排气管中,排气管靠近流速放大器的一侧开设有凹槽,凹槽内安装有气敏传感器,气敏传感器的检测端靠近流速放大器的出气口,凹槽上方设置有密封部件,密封部件遮盖凹槽裸露部分,其与排气管、气敏传感器组成密封的结构,排气管上安装有检测分析仪,检测分析仪与气敏传感器电连接,排气管远离流速放大器的一侧设置有固定安装部件,固定安装部件用于将排气管固定在移动设备上,固定安装部件可相对排气管轴向移动和周向转动。本发明大大提高了检测效率和检测准确性。(The invention discloses a gas flow velocity amplifying device based on mobile equipment, which comprises a flow velocity amplifier, wherein the flow velocity amplifier is a structure with two open ends, a gas inlet is large, a gas outlet is small, wherein the air outlet is inserted into the exhaust pipe, one side of the exhaust pipe close to the flow rate amplifier is provided with a groove, the groove is internally provided with a gas sensor, the detection end of the gas sensor is close to the air outlet of the flow rate amplifier, a sealing part is arranged above the groove and covers the exposed part of the groove, the gas-sensitive detection device comprises a sealed structure formed by the gas-sensitive detection device, an exhaust pipe and a gas sensor, wherein the exhaust pipe is provided with the detection analyzer which is electrically connected with the gas sensor, one side of the exhaust pipe, which is far away from a flow velocity amplifier, is provided with a fixed mounting component, the fixed mounting component is used for fixing the exhaust pipe on a mobile device, and the fixed mounting component can axially move and circumferentially rotate relative to the exhaust pipe. The invention greatly improves the detection efficiency and the detection accuracy.)

1. The utility model provides a gaseous velocity of flow amplification device based on mobile device which characterized in that: including velocity of flow amplifier (1), velocity of flow amplifier (1) is that the air inlet is big, the both ends open structure that the gas outlet is little, wherein the gas outlet inserts in blast pipe (2), one side that blast pipe (2) are close to velocity of flow amplifier (1) is seted up flutedly, install gas sensor (3) in the recess, the sense terminal of gas sensor (3) is close to the gas outlet of velocity of flow amplifier (1), the recess top is provided with sealing member (4), sealing member (4) cover the exposed part of recess, and it constitutes sealed structure with blast pipe (2), gas sensor (3), install detection and analysis appearance (5) on the blast pipe, detection and analysis appearance (5) are connected with gas sensor (3) electricity, one side that velocity of flow amplifier (1) was kept away from in blast pipe (2) is provided with fixed mounting part (6), the fixed mounting component (6) is used for fixing the exhaust pipe (2) on the mobile equipment, and the fixed mounting component (6) can axially move and circumferentially rotate relative to the exhaust pipe (2).

2. The mobile device-based gas flow rate amplification device according to claim 1, wherein: the outer surface of the flow velocity amplifier (1) is of a streamline structure, and the inner surface of the flow velocity amplifier is of a hemispherical structure, so that the disturbance to air is reduced.

3. The mobile device-based gas flow rate amplification device according to claim 1, wherein: the sealing component (4) comprises a limiting rod (4-1) and a sealing baffle (4-2), the limiting rod (4-1) is arranged on the exhaust pipe (2) between the groove and the flow rate amplifier (1), the sealing baffle (4-2) can be arranged between the limiting rod (4-1) and the exhaust pipe (2) in a left-right moving mode, the sealing baffle (4-2) can slide rightwards to abut against the gas sensor (3), and therefore the exposed part of the groove is sealed.

4. The mobile device-based gas flow rate amplification device according to claim 3, wherein: the sealing baffle (4-2) is provided with a convex block (4-3) for moving the sealing baffle (4-2).

5. The mobile device-based gas flow rate amplification device according to claim 1, wherein: the fixed mounting component (6) comprises an annular clamp (6-1) and a fixing plate (6-2), one end of the annular clamp (6-1) is connected and fastened through a bolt, the other end of the annular clamp is connected with the fixing plate (6-2) through a bolt, and the annular clamp (6-1) is clamped on the exhaust pipe (2).

6. The mobile device-based gas flow rate amplification device according to claim 5, wherein: the fixing plate (6-2) is provided with a plurality of mounting holes (6-3), and the fixing plate (6-2) is connected with the mobile equipment through the mounting holes (6-3) through bolts.

7. The mobile device-based gas flow rate amplification device according to claim 1, wherein: the gas sensor is characterized in that a connecting plate (7) is fixedly mounted on the exhaust pipe (2), and the fixed end of the gas sensor (3) is fixedly mounted on the connecting plate (7) through a bolt.

8. The mobile device-based gas flow rate amplification device according to claim 1, wherein: the type of the gas sensor (3) is ZYMQ series.

9. The mobile device-based gas flow rate amplification device according to claim 1, wherein: the gas detected by the gas sensor (3) is ethanol, methane, carbon monoxide and hydrogen.

10. The mobile device-based gas flow rate amplification device according to claim 1, wherein: the model of the detection analyzer (5) is an STM32 single chip microcomputer.

Technical Field

The invention belongs to the technical field of gas detection, and particularly relates to a gas flow velocity amplifying device based on mobile equipment.

Background

Disclosure of Invention

The invention aims to solve the technical problem of providing a gas flow velocity amplifying device based on mobile equipment, aiming at the defects of the prior art.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:

a mobile device based gas flow rate amplification device, wherein: including the velocity of flow amplifier, the velocity of flow amplifier is that the air inlet is big, the little both ends open structure of gas outlet, wherein the gas outlet inserts in the blast pipe, one side that the blast pipe is close to the velocity of flow amplifier is seted up flutedly, install gas sensor in the recess, gas sensor's sense terminal is close to the gas outlet of velocity of flow amplifier, the recess top is provided with sealing member, sealing member covers the exposed part of recess, and it constitutes sealed structure with blast pipe, gas sensor, install the detection analysis appearance on the blast pipe, the detection analysis appearance is connected with the gas sensor electricity, one side that the velocity of flow amplifier was kept away from to the blast pipe is provided with the fixed mounting part, the fixed mounting part is used for fixing the blast pipe on the mobile device, blast pipe axial displacement and circumferential.

In order to optimize the technical scheme, the specific measures adopted further comprise:

the outer surface of the flow velocity amplifier is of a streamline structure, and the inner surface of the flow velocity amplifier is of a hemispherical structure, so that the disturbance to air is reduced.

The sealing part comprises a limiting rod and a sealing baffle, the limiting rod is arranged on the exhaust pipe between the groove and the flow rate amplifier, the sealing baffle can be arranged between the limiting rod and the exhaust pipe in a left-right moving mode, the sealing baffle can slide rightwards to abut against the gas sensor, and therefore the exposed part of the groove is sealed.

The sealing baffle is provided with a convex block for moving the sealing baffle.

The fixed mounting component comprises an annular clamp and a fixed plate, wherein one end of the annular clamp is fastened through a bolt, the other end of the annular clamp is connected with the fixed plate through a bolt, and the annular clamp is clamped on the exhaust pipe.

A plurality of mounting holes are formed in the fixing plate, and the fixing plate is connected with the mobile equipment through the mounting holes through bolts.

The exhaust pipe is fixedly provided with a connecting plate, and the fixed end of the gas sensor is fixedly arranged on the connecting plate through a bolt.

The gas sensor is ZYMQ series.

The gas detected by the gas sensor is ethanol, methane, carbon monoxide and hydrogen.

The model of the detection analyzer is an STM32 single chip microcomputer.

The invention has the beneficial effects that:

compared with the problems of small contact reaction amount and slow reaction when the gas sensor is directly used for acting with gas in the prior art, the method reduces the disturbance of gas components through the streamline curved surface of the flow rate amplifier; the combination of the flow rate amplifier and the exhaust pipeline improves the gas flow rate, so that the reaction speed of the gas sensor is increased; through the design of the sealing structure, all detection gas can be detected through the detection part of the gas sensor, and the detection efficiency and the detection accuracy are greatly improved.

Meanwhile, the device is convenient to be installed on various mobile devices, and is more convenient and faster; in addition, when detecting a large-scale working area, the automatic tracking device can greatly improve the working efficiency by being arranged on a tracking device person, reduces the workload of workers, reduces the use of some fixed detection devices and reduces the cost.

Drawings

FIG. 1 is a schematic diagram of the general structure of the present invention;

FIG. 2 is a schematic view of a half-section of the present invention;

FIG. 3 is a schematic view of the fixed mounting component of the present invention;

the reference signs are: the device comprises a flow rate amplifier 1, an exhaust pipe 2, a gas sensor 3, a sealing part 4, a limiting rod 4-1, a sealing baffle 4-2, a bump 4-3, a detection analyzer 5, a fixed mounting part 6, an annular clamp 6-1, a fixed plate 6-2, a mounting hole 6-3 and a connecting plate 7.

Detailed Description

Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

As shown in fig. 1, the present invention is a gas flow rate amplifying apparatus based on a mobile device, wherein: comprises a flow velocity amplifier 1, the flow velocity amplifier 1 is a structure with two open ends with a large air inlet and a small air outlet, wherein the air outlet is inserted into an exhaust pipe 2, one side of the exhaust pipe 2 close to the flow rate amplifier 1 is provided with a groove, a gas sensor 3 is arranged in the groove, the detection end of the gas sensor 3 is close to the right end face of the flow rate amplifier 1, a sealing part 4 is arranged above the groove, the sealing part 4 covers the exposed part of the groove, which forms a sealed structure together with an exhaust pipe 2 and a gas sensor 3, wherein the exhaust pipe is provided with a detection analyzer 5, the detection analyzer 5 is electrically connected with the gas sensor 3, one side of the exhaust pipe 2 far away from the flow rate amplifier 1 is provided with a fixed installation component 6, the fixed mounting component 6 is used for fixing the exhaust pipe 2 on the mobile equipment, and the fixed mounting component 6 can axially move and circumferentially rotate relative to the exhaust pipe 2.

FIG. 2 is a schematic diagram of a half-section structure, and it can be seen from the diagram that the outer surface of the flow rate amplifier 1 is a streamline structure, the inner surface is a hemispherical structure, wherein the left end surface of the flow rate amplifier 1 is an air inlet, the right end surface is an air outlet, the structure can reduce disturbance to air, a limiting rod 4-1 is arranged on the exhaust pipe 2 between a groove and the flow rate amplifier 1, a seal baffle 4-2 is arranged between the limiting rod 4-1 and the exhaust pipe 2 in a manner of moving left and right, the seal baffle 4-2 can slide right to abut against the gas sensor 3, a bump 4-3 is arranged on the seal baffle 4-2 for moving the seal baffle 4-2, a connecting plate 7 is fixedly arranged on the exhaust pipe 2, the gas sensor 3 is fixedly arranged on the connecting plate 7 through a bolt, and air firstly enters from the air inlet of the, then the gas is discharged from the gas outlet of the flow rate amplifier 1, the air flow rate is increased at the moment and the gas is blown to the detection part of the gas sensor 3, when the gas passes through the gas leakage part, the gas sensor 3 sends the detected information to the detection analyzer 5, the detection analyzer 5 analyzes the components of the air in real time, thereby judging the specific position of the gas leakage, and the redundant gas is discharged from the exhaust pipe 2.

The gas that wherein detects is ethanol, methane, carbon monoxide and hydrogen, and the model of gas sensor 3 is ZYMQ series, and the model of detection analysis appearance 5 is STM32 singlechip.

As shown in fig. 3, which is a schematic structural view of the fixed mounting part, the fixed mounting part 6 comprises an annular clamp 6-1 and a fixed plate 6-2, one end of the annular clamp 6-1 is tightly connected through a bolt, the other end is connected with the fixed plate 6-2, the annular clamp 6-1 is clamped on the exhaust pipe 2, a plurality of mounting holes 6-3 are arranged on the fixing plate 6-2, the fixed plate 6-2 is connected with the mobile equipment through a mounting hole 6-3 by a bolt, the fixed mounting component 6 can axially move and circumferentially rotate on the exhaust pipe by loosening and tightening the bolts of the annular clamping, meanwhile, the fixing plate 6-2 can rotate relative to the annular clamp 6-1 by tightening the bolt between the annular clamp 6-1 and the fixing plate 6-2, so that the requirement of multi-angle and multi-position installation and fixation on the mobile equipment is met.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may be made by those skilled in the art without departing from the principle of the invention.