Ozone gas photoelectric detection device

Abstract

The utility model relates to a photoelectric detection device for ozone gas, which relates to the technical field of ozone detection and comprises a shell, and a plurality of activated carbon bags are placed on the inner side of the shell; an air inlet pipe is arranged at the bottom end of the shell, the end of the air inlet pipe is in threaded connection with the end of the sampling piece, and a heat shrink tube sleeves the connection position to increase air tightness; the gas inlet pipe can be matched with different sampling pieces to detect ozone gas, is matched with a sampling probe to detect whether ozone leaks or not, and is matched with a sampling valve connected with a conveying pipeline to detect the concentration of ozone in the conveying pipeline, so that multifunctional detection of the ozone gas is realized; an air pressure regulating valve is arranged on the air inlet pipe and is used for regulating the air pressure in the reaction chamber so as to suck and discharge ozone gas; the gas inlet pipe is communicated with a reaction chamber arranged in the shell, an ultraviolet generator is arranged on the side face of the reaction chamber, and a detector is arranged in the reaction chamber.

Description

Technical Field

[0001] The utility model relates to the technical field of ozone detection, in particular to an ozone gas photoelectric detection device. Background Art

[0002] Ozone is a colorless, smelly gas with oxidizing properties. It is widely used in many fields such as food, medicine and industry, but it can also cause corrosive damage to the human body when it inhales it.

[0003] During the production and transportation of ozone, it is necessary to detect the ozone concentration in the transmission pipeline or at the location prone to leakage. At present, ozone content is detected using ozone gas detectors. Ozone gas detectors adopt the principle of ultraviolet absorption. Under ultraviolet irradiation, ozone absorbs short-wave ultraviolet rays and transforms and decomposes them. The electrical signal of the photoelectric sensor is detected before and after the ultraviolet rays pass through the ozone, and the ozone concentration is then obtained.

[0004] However, in the prior art, the functions of ozone gas detectors are relatively simple. After the ozone gas detector inhales ozone gas, the residual ozone will affect the detection results, causing disadvantages due to misjudgment by the operator. Utility Model Content

[0005] In order to improve the problems in the photoelectric detection process of ozone gas in the above-mentioned background technology, the utility model provides an ozone gas photoelectric detection device.

[0006] The utility model provides an ozone gas photoelectric detection device adopts the following technical solution:

[0007] An ozone gas photoelectric detection device comprises a shell, an air inlet pipe is arranged at the bottom end of the shell, the end of the air inlet pipe is threadedly connected to the end of a sampling piece, an air pressure regulating valve is arranged on the air inlet pipe, the air inlet pipe is connected to a reaction chamber arranged inside the shell, an ultraviolet generator is arranged on the side of the reaction chamber, a detector is arranged in the reaction chamber, and the detector is communicatively connected with a controller embedded in the top of the shell.

[0008] Preferably, the sampling member adopts a sampling probe or a sampling valve, the sampling valve is arranged on the delivery pipeline, samples the gas in the delivery pipeline, and detects the concentration of ozone in the delivery pipeline; the sampling probe is arranged at a position where ozone is prone to leak, samples and detects whether ozone is leaked.

[0009] Preferably, a heat shrink tube is sleeved on the outer side of the threaded connection position between the end of the air inlet pipe and the end of the sampling piece, and the sleeve of the heat shrink tube increases air tightness and prevents ozone leakage.

[0010] Preferably, the detector comprises a sample photoelectric sensor and a sampling photoelectric sensor, wherein the sampling piece 1 of the sample photoelectric sensor is arranged on a side close to the ultraviolet generator, and the sampling piece 2 of the sampling photoelectric sensor is arranged on a side far from the ultraviolet generator.

[0011] Preferably, the controller is embedded in a shell and a control panel is provided on one side thereof, and the controller is connected to an alarm light.

[0012] Preferably, a plurality of activated carbon bags are placed inside the shell, and the activated carbon bags can absorb a small amount of ozone leaked into the shell.

[0013] In summary, the utility model has the following beneficial technical effects: the utility model can realize photoelectric detection of ozone gas, has a simple overall structure, can work continuously and has good stability; an air pressure regulating valve is arranged on the air inlet pipe to adjust the air pressure in the reaction chamber, thereby realizing the suction and discharge of ozone gas and improving the accuracy of detection; the air inlet pipe can cooperate with different sampling parts to detect ozone gas, cooperate with the sampling probe to detect whether ozone is leaking, and cooperate with the sampling valve connected to the delivery pipeline to detect the ozone concentration in the delivery pipeline, thereby realizing multifunctional detection of ozone gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a side view of a housing of an embodiment of the utility model;

[0015] Figure 2 It is a partial structural schematic diagram of an intake pipe connected to a sampling member according to an embodiment of the utility model;

[0016] Figure 3 This is a structural perspective view of an intake pipe connected to a sampling valve according to an embodiment of the utility model;

[0017] Figure 4 It is a structural perspective view of an intake pipe connected to a sampling probe according to an embodiment of the utility model.

[0018] Explanation of the accompanying drawings: 1. Shell; 2. Air inlet pipe; 3. Sampling piece; 4. Air pressure regulating valve; 5. Reaction chamber; 6. Ultraviolet generator; 7. Detector; 8. Sampling probe; 9. Sampling valve; 10. Heat shrink tube; 11. Sample photoelectric sensor; 12. Sampling photoelectric sensor; 13. Sampling piece one; 14. Sampling piece two; 15. Controller; 16. Control panel; 17. Alarm light; 18. Activated carbon bag; 19. Ultraviolet light source; 20. Light wave filter; 21. Fixing buckle. DETAILED DESCRIPTION

[0019] The following combination Figure 1-Figure 4 The utility model is described in further detail.

[0020] The utility model embodiment discloses an ozone gas photoelectric detection device.

[0021] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , an ozone gas photoelectric detection device, including a shell 1, an air inlet pipe 2 is arranged at the bottom end of the shell 1, the end of the air inlet pipe 2 is threadedly connected to the end of the sampling piece 3, an air pressure regulating valve 4 is arranged on the air inlet pipe 2, the air inlet pipe 2 is connected to a reaction chamber 5 arranged inside the shell 1, an ultraviolet generator 6 is arranged on the side of the reaction chamber 5, the ultraviolet generator 6 includes an ultraviolet light source 19 and a light wave filter 20, the ultraviolet light source 19 generates ultraviolet rays, the light wave filter 20 filters out ultraviolet light of other wavelengths and only allows a wavelength of 253.7nm to pass; a detector 7 is arranged in the reaction chamber 5, the detector 7 is communicatively connected to a controller 15 embedded in the top of the shell 1, the controller 15 is communicatively connected to the ultraviolet generator 6 and the air pressure regulating valve 4, the communication connection includes a wired electrical connection or a wireless connection, an electric signal receiving end in the controller 15 receives the electric signal, and the electric signal is processed by the processor in the controller 15 and outputted at the feedback end.

[0022] Reference Figure 2 , Figure 3 , Figure 4 The sampling component 3 adopts a sampling probe 8 or a sampling valve 9. The sampling valve 9 is arranged on the delivery pipeline to sample the gas in the delivery pipeline and detect the concentration of ozone in the delivery pipeline; the sampling probe 8 is arranged at a position where ozone is prone to leak, sampling and detecting whether ozone is leaked.

[0023] Reference Figure 2 A heat shrink tube 10 is sleeved on the outside of the threaded connection between the end of the air intake pipe 2 and the end of the sampling piece 3. The heat shrink tube 10 is made of rubber and is sleeved on the outside of the threaded connection between the end of the air intake pipe 2 and the end of the sampling piece 3. After heating, the air tightness is increased to prevent ozone leakage.

[0024] Reference Figure 3 , Figure 4The detector 7 includes a sample photoelectric sensor 11 and a sampling photoelectric sensor 12. The sampling piece 13 of the sample photoelectric sensor 11 is arranged on the side close to the ultraviolet generator 6, and the sampling piece 2 14 of the sampling photoelectric sensor 12 is arranged on the side far away from the ultraviolet generator 6. The sample photoelectric sensor 11 and the sampling photoelectric sensor 12 are both connected to the controller 15 for communication. The sampling piece 13 of the sample photoelectric sensor 11 is arranged on the side close to the ultraviolet generator 6 and collects light signals and converts them into voltage signals. In the reaction chamber 5, ozone absorbs ultraviolet rays, and the sampling piece 2 14 of the sampling photoelectric sensor 12 is arranged on the side far away from the ultraviolet generator 6 and collects light signals and converts them into voltage signals. The voltage signals of the sample photoelectric sensor 11 and the sampling photoelectric sensor 12 are compared, and then the ozone concentration can be obtained through the calculation of the mathematical model.

[0025] Reference Figure 2 , Figure 3 The controller 15 is embedded in the housing 1 and a control panel 16 is provided on one side. The controller 15 is connected to an alarm light 17. The controller 15 is regulated by the control panel 16 to control the operation of each component. When it is detected that the ozone concentration exceeds a prescribed range, the alarm light 17 flashes to sound an alarm.

[0026] Reference Figure 3 , Figure 4 A plurality of activated carbon bags 18 are placed inside the shell 1 , and the activated carbon bags 18 can absorb a small amount of ozone leaked into the shell 1 .

[0027] Reference Figure 1 A fixing buckle 21 is provided on one side of the shell 1 close to the wall, and the fixing buckle 21 cooperates with the bolt to fix the shell 1 on the wall.

[0028] The implementation principle of an ozone gas photoelectric detection device in an embodiment of the utility model is as follows: when in use, first determine the application scenario; when detecting the concentration of ozone in a delivery pipeline, set the sampling valve 9 on the delivery pipeline and connect it to the air inlet pipe 2, the controller 15 controls the air pressure regulating valve 4, the ozone gas enters the reaction chamber 5, the ultraviolet generator 6 outputs ultraviolet rays and passes through the sample photoelectric sensor 11, the space in the reaction chamber 5 and the sampling photoelectric sensor 12 in sequence, the controller 15 receives the voltage signal and processes it to obtain the concentration of ozone in the delivery pipeline; when detecting whether ozone is leaking, set the sampling probe 8 at a position where ozone is prone to leak, and connect it to the air inlet pipe 2, sample the gas at the position where ozone is prone to leak and detect whether ozone is leaking.

[0029] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An ozone gas photoelectric detection device, characterized in that: The invention comprises a shell (1), wherein an air inlet pipe (2) is arranged at the bottom end of the shell (1), the end of the air inlet pipe (2) is threadedly connected to the end of a sampling member (3), an air pressure regulating valve (4) is arranged on the air inlet pipe (2), the air inlet pipe (2) is connected to a reaction chamber (5) arranged inside the shell (1), an ultraviolet generator (6) is arranged on the side of the reaction chamber (5), a detector (7) is arranged in the reaction chamber (5), and the detector (7) is communicatively connected to a controller (15) embedded in the top of the shell (1).

2. An ozone gas photoelectric detection device according to claim 1, characterized in that: The sampling member (3) adopts a sampling probe (8) or a sampling valve (9).

3. The ozone gas photoelectric detection device according to claim 1, characterized in that: A heat shrink tube (10) is sleeved on the outer side of the threaded connection position between the end of the air inlet pipe (2) and the end of the sampling piece (3).

4. The ozone gas photoelectric detection device according to claim 1, characterized in that: The detector (7) comprises a sample photoelectric sensor (11) and a sampling photoelectric sensor (12), wherein a sampling piece 1 (13) of the sample photoelectric sensor (11) is arranged on a side close to the ultraviolet generator (6), and a sampling piece 2 (14) of the sampling photoelectric sensor (12) is arranged on a side away from the ultraviolet generator (6).

5. The ozone gas photoelectric detection device according to claim 1, characterized in that: The controller (15) is embedded in a housing (1) and a control panel (16) is provided on one side thereof. The controller (15) is connected to an alarm light (17).

6. The ozone gas photoelectric detection device according to claim 1, characterized in that: A plurality of activated carbon bags (18) are placed inside the shell (1).

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