CN219512092U - High-concentration H 2 O 2 Gas concentration testing device - Google Patents
High-concentration H 2 O 2 Gas concentration testing device Download PDFInfo
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- CN219512092U CN219512092U CN202222570199.4U CN202222570199U CN219512092U CN 219512092 U CN219512092 U CN 219512092U CN 202222570199 U CN202222570199 U CN 202222570199U CN 219512092 U CN219512092 U CN 219512092U
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Abstract
The utility model aims to solve the technical problems of providing a high-concentration H which has relatively small size and is convenient to manufacture, store and use 2 O 2 And a gas concentration testing device. The device comprises an integrated bin control module, an optical transmission pipe and an optical reflection module, wherein the integrated bin control module is arranged at the left end of the optical transmission pipe, the optical reflection module is arranged at the right end of the optical transmission pipe, the device integrates an ultraviolet light receiving and transmitting module in a cavity, and an optical signal transmitting channel and an optical signal receiving channel are arranged in the integrated bin control module connected with the optical transmission pipe, so that the device can effectively reduce the interference of the ultraviolet lightThe whole device is small in size, convenient to manufacture, store and use, and can enter a plasma low-temperature sterilizer along with the sterilized instrument to record and store H in real time 2 O 2 The gas concentration and the concentration integral value can accurately judge the sterilization process, can be applied to other similar occasions, is beneficial to maintenance, calibration and storage, and is suitable for popularization and application in the technical field of gas concentration detection.
Description
Technical Field
The utility model relates to the technical field of gas concentration detection, in particular to a high-concentration H 2 O 2 And a gas concentration testing device.
Background
H 2 O 2 H in an environment of near vacuum and 50-60 DEG C 2 O 2 The liquid can be gasified into gas rapidly until H in the environment 2 O 2 The gas concentration reaches saturation. At present to H 2 O 2 In the detection of gas concentration, electrochemical principle is generally adopted, namely, the method of detecting H 2 O 2 The sensitive functional material is mainly used for environmental monitoring or large-space detection, is greatly influenced by environmental factors, cannot detect the condition that saturated gas concentration is close to a closed small space such as a plasma low-temperature sterilizer, and cannot be applied to occasions because a concentration sensor of an electrochemical principle has no tightness under a high-vacuum closed environment; h 2 O 2 Sensitive functional materials are extremely easy to saturate when being contacted with high-concentration gas for a long time, and the service life is limited.
Chinese patent (patent number: 202220567463.6) discloses a mobile hydrogen peroxide concentration testing device, wherein an optical signal transmitting unit and a sensor receiving unit are positioned at two ends of the testing device, but in order to ensure measurement accuracy and stability, the length dimension of the whole device is large, and the transmitting and receiving parts are required to be vacuum sealed, so that a plurality of inconveniences such as manufacturing, storage and use are caused.
Disclosure of Invention
The utility model aims to solve the technical problems of providing a high-concentration H which has relatively small size and is convenient to manufacture, store and use 2 O 2 And a gas concentration testing device.
The technical scheme adopted for solving the technical problems is as follows: the high concentration H 2 O 2 The gas concentration testing device comprises an integrated bin control module, an optical transmission pipe,The integrated bin control module is arranged at the left end of the optical transmission pipe, and the optical reflection module is arranged at the right end of the optical transmission pipe;
the integrated bin control module comprises a closed cavity, wherein an ultraviolet light receiving and transmitting module and a control processing module are arranged in the cavity;
the ultraviolet light receiving and transmitting module comprises an ultraviolet light emitting module and an ultraviolet light receiving module;
the left side wall of the cavity is provided with a USB interface, the USB interface is connected with a control processing module, the USB interface is used for data transmission and charging, and the control processing module provides the ultraviolet light emitting module and the ultraviolet light receiving module with required electric energy;
the right end of the cavity is provided with an optical signal transmitting channel and an optical signal receiving channel which are physically isolated, the ultraviolet light transmitting module is positioned in the optical signal transmitting channel, and the ultraviolet light receiving module is positioned in the optical signal receiving channel; the left end of the optical conduction pipe is detachably connected with the cavity and communicated with the cavity;
the ultraviolet light emitted by the ultraviolet light emitting module enters the light transmitting pipe through the light signal emitting channel and is transmitted to the light reflecting module, and the ultraviolet light is reflected by the light reflecting module and is transmitted to the ultraviolet light receiving module after entering the light signal receiving channel through the light transmitting pipe;
the ultraviolet light receiving module converts the received optical signals into electric signals and transmits the electric signals to the control processing module, and the control processing module processes, displays and stores the electric signals;
the wall of the optical conduction pipe is uniformly provided with a plurality of convection holes so as to be beneficial to the rapid balance of the concentration of the measured gas inside and outside the optical conduction pipe.
Further, the control processing module comprises a rechargeable lithium battery pack, a liquid crystal display panel, a measurement and data storage panel;
the rechargeable lithium battery pack, the measuring and data storage plate are arranged in the cavity, and the liquid crystal display plate is embedded on the side wall of the cavity;
the measuring and data storage plate is in signal connection with the liquid crystal display panel, and is electrically connected with the rechargeable lithium battery pack;
the liquid crystal display panel is provided with a multifunctional touch switch which is used for controlling the on-off state of the device and entering a measurement state.
Further, the light reflection module comprises a quartz glass sleeve, a quartz glass window and a reflective thread pressing ring;
the outer diameter of the quartz glass sleeve is matched with the inner diameter of the light conduction tube, and the left end and the right end of the quartz glass sleeve are both openings;
the right end of the optical transmission pipe is sleeved on the outer side wall of the quartz glass sleeve, and the quartz glass sleeve is completely positioned in the optical transmission pipe;
the left end of the quartz glass sleeve is provided with a limiting circular ring, the outer diameter of the limiting circular ring is matched with the inner diameter of the left end of the quartz glass sleeve, and the inner diameter of the limiting circular ring is smaller than the diameter of the quartz glass window;
the quartz glass window is arranged at the left end of the inner cavity of the quartz glass sleeve and is contacted with the inner side wall of the limit circular ring, and the diameter of the quartz glass window is matched with the inner diameter of the left end of the inner cavity of the quartz glass sleeve;
the reflective thread pressing ring is arranged on the right side of the quartz glass sleeve, the left end of the reflective thread pressing ring is abutted against the right side of the quartz glass window, and the reflective thread pressing ring is connected with the quartz glass sleeve through threads;
the limiting ring and the reflective thread pressing ring form a limit for the quartz glass window;
and a light window sealing ring is arranged between the reflective thread pressing ring and the quartz glass window.
Further, the shape of the plurality of convection holes is round, oval or rectangular.
Further, a ratio of a sum of areas of the plurality of convection holes to a surface area of the optical waveguide is 35% or more.
Further, the light transmission tube is made of aluminum alloy.
Further, the ultraviolet light emitting module is an ultraviolet light emitting bead.
Further, the ultraviolet light receiving module is an ultraviolet light receiving sensor.
The beneficial effects of the utility model are as follows:
1. through integrating ultraviolet ray light receiving and emitting module in the cavity, realize the effective transmission of emission light and reflection light in the light transmission pipe, can effectively reduce the volume of whole device, be convenient for make, deposit and use.
2. The light conducting tube made of aluminum alloy is beneficial to the rapid thermal balance of the light conducting tube and the restraint of the angle of emitted and reflected light.
3. The ratio of the sum of the areas of the plurality of convection holes to the surface area of the optical conduction pipe is more than or equal to 35%, which is beneficial to H inside and outside the optical conduction pipe 2 O 2 The concentration is balanced fast, and the test accuracy is improved.
4. Display H in real time through set liquid crystal display panel 2 O 2 Concentration, is convenient for judging the detection result.
5. The device has compact structure and reliable sealing, can enter the plasma low-temperature sterilizer along with the sterilized instrument, and records and stores H in the closed environment in real time 2 O 2 The gas concentration and the concentration integral value can accurately judge the sterilization process, can be applied to other similar occasions and open environments, and is beneficial to maintenance, calibration and storage.
Drawings
FIG. 1 shows the high concentration H according to the utility model 2 O 2 A schematic structural diagram of a gas concentration testing device;
FIG. 2 is a schematic diagram of the internal architecture of an integrated cartridge control module according to the present utility model;
FIG. 3 is a schematic view of an optical waveguide according to the present utility model;
FIG. 4 shows the high concentration H according to the present utility model 2 O 2 A right side view of the gas concentration testing device;
FIG. 5 is a schematic view of a light reflection module according to the present utility model;
the figure indicates: the integrated bin control module 1, the USB interface 1A, the rechargeable lithium battery pack 1B, the measurement and data storage plate 1C, the liquid crystal display plate 1D, the ultraviolet light receiving and transmitting module 1E, the ultraviolet light emitting module 1E-1, the ultraviolet light receiving module 1E-2, the light conducting tube 2, the convection hole 2A, the light signal emitting channel 1F, the light signal receiving channel 1G, the light reflecting module 3, the quartz glass window 3A, the light window sealing ring 3B, the quartz glass sleeve 3C, the reflective thread pressing ring 3D and the limiting ring 3E.
Detailed Description
The following detailed description of the utility model will be further understood with reference to the drawings, in which embodiments described are merely some, but not all, examples of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, in the embodiments of the present utility model, all directional indicators such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model, but merely serve to explain the relative positional relationships, movement situations, etc. between the components in a specific posture, and if the specific posture is changed, the directional indicators are correspondingly changed.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
As shown in FIGS. 1-5, the high concentration H 2 O 2 The gas concentration testing device comprises an integrated bin control module 1, an optical transmission pipe 2 and an optical reflection module 3, wherein the integrated bin control module 1 is arranged at the left end of the optical transmission pipe 2, the optical reflection module 3 is arranged at the right end of the optical transmission pipe 2, the integrated bin control module 1 and the optical reflection module 3 are connected into a whole through the optical transmission pipe 2, and the integrated bin control module is conveniently placed into a closed space for detection. Thereby making the high concentration H 2 O 2 The gas concentration testing device can enter the plasma low-temperature sterilizer along with the sterilized instrument, automatically judge the concentration change starting point and record and store concentration data in real time, and in addition, the device is also beneficial to maintenance and application to other similar occasions;
the integrated bin control module 1 comprises a closed cavity, wherein the cavity is made of metal with explosion-proof performance, an ultraviolet light receiving and transmitting module 1E and a control processing module are arranged in the cavity, and the control processing module is used for processing, displaying and storing electric signals;
the ultraviolet light receiving and transmitting module 1E comprises an ultraviolet light emitting module 1E-1 and an ultraviolet light receiving module 1E-2, wherein the ultraviolet light emitting module 1E-1 is used for emitting ultraviolet light, and the ultraviolet light receiving module 1E-2 is used for receiving the ultraviolet light reflected by the light reflecting module 3;
a USB interface 1A is arranged on the left side wall of the cavity, the USB interface 1A is connected with a control processing module, the USB interface 1A is used for data transmission and charging, and the control processing module provides required electric energy for an ultraviolet light emitting module 1E-1 and an ultraviolet light receiving module 1E-2; the data set transmission of the control processing module can be realized through the USB interface 1A, and the electric energy can be provided for the control processing module;
the right end of the cavity is provided with an optical signal transmitting channel 1F and an optical signal receiving channel 1G which are isolated by physical means, for example, two independent pipelines are arranged, the materials of the pipelines are the same as those of the optical transmission pipe 2, the ultraviolet light transmitting module 1E-1 is positioned in the optical signal transmitting channel 1F, the ultraviolet light receiving module 1E-2 is positioned in the optical signal receiving channel 1G, and the optical signal receiving channel 1G can only receive the ultraviolet light reflected by the opposite optical reflecting module 3, so that the measured background value is clean;
the left end of the optical conduction pipe 2 is detachably connected with the cavity and is communicated with the cavity, the optical conduction pipe and the cavity are generally in threaded connection, and the optical signal transmitting channel 1F and the optical signal receiving channel 1G in the cavity are isolated physically, so that the measurement background value is effectively reduced, and the measurement accuracy and precision are improved;
the ultraviolet light emitted by the ultraviolet light emitting module 1E-1 enters the light transmitting tube 2 through the light signal emitting channel 1F and is transmitted to the light reflecting module 3, and the light reflecting module 3 reflects the ultraviolet light and transmits the ultraviolet light to the ultraviolet light receiving module 1E-2 after entering the light signal receiving channel 1G through the light transmitting tube 2;
the ultraviolet light receiving module 1E-2 converts the received optical signals into electric signals and transmits the electric signals to the control processing module, and the control processing module processes, stores and displays the electric signals through the liquid crystal display panel 1D;
a plurality of convection holes 2A are uniformly formed on the pipe wall of the optical conduction pipe 2, and H inside and outside the optical conduction pipe 2 can be caused by the plurality of convection holes 2A 2 O 2 The concentration is balanced fast, and the test accuracy is improved.
As shown in fig. 2, in the above embodiment, preferably, the manipulation processing module includes a rechargeable lithium battery pack 1B, a liquid crystal display panel 1D, and a measurement and data storage panel 1C;
the rechargeable lithium battery pack 1B and the measuring and data storage plate 1C are arranged in the cavity, and the liquid crystal display plate 1D is embedded on the side wall of the cavity;
the measuring and data storage plate 1C and the liquid crystal display plate 1D are respectively and electrically connected with the rechargeable lithium battery pack 1B, the rechargeable lithium battery pack 1B provides electric energy for each component to enable the component to work normally, the liquid crystal display plate 1D is connected with the measuring and data storage plate 1C through signals, and data information of the measuring and data storage plate 1C and electric quantity information of the rechargeable lithium battery pack 1B can be displayed through the liquid crystal display plate 1D so as to be convenient to review;
the liquid crystal display panel 1D is provided with a multifunctional touch switch, the multifunctional touch switch is used for controlling the on-off state of the device and entering a measurement state, and the on-off state and the measurement of the whole device can be realized through the multifunctional touch switch.
As shown in fig. 5, in the present embodiment, preferably, the light reflecting module 3 includes a quartz glass sleeve 3C, a quartz glass window 3A, and a reflective screw press 3D;
the outer diameter of the quartz glass sleeve 3C is matched with the inner diameter of the optical transmission tube 2, and the left end and the right end of the quartz glass sleeve 3C are both openings;
the right end of the optical conduction pipe 2 is sleeved on the outer side wall of the quartz glass sleeve 3C, the quartz glass sleeve 3C is completely positioned in the optical conduction pipe 2, and the right end of the optical conduction pipe 2 is connected with the quartz glass sleeve 3C through threads;
the left end of the quartz glass sleeve 3C is provided with a limiting circular ring 3E, the outer diameter of the limiting circular ring 3E is matched with the inner diameter of the left end of the quartz glass sleeve 3C, and the inner diameter of the limiting circular ring 3E is smaller than the diameter of the quartz glass window 3A;
the quartz glass window 3A is arranged at the left end of the inner cavity of the quartz glass sleeve 3C and is in contact with the inner side wall of the limit circular ring 3E, and the diameter of the quartz glass window 3A is matched with the inner diameter of the left end of the inner cavity of the quartz glass sleeve 3C;
the reflective thread pressing ring 3D is arranged at the right end of the quartz glass sleeve 3C, the left end of the reflective thread pressing ring 3D is abutted against the right side of the quartz glass window 3A, the reflective thread pressing ring 3D is connected with the quartz glass sleeve 3C through threads, and the reflective thread pressing ring 3D is used for reflecting ultraviolet light transmitted by the light transmission pipe 2;
the limiting ring 3E and the reflective thread pressing ring 3D form a limit for the quartz glass window 3A, namely the reflective thread pressing ring 3D supports the quartz glass window 3A on the limiting ring 3E to fix the quartz glass window without offset, so that the left end of the light transmission tube 2 can be sealed through the quartz glass window 3A to isolate the quartz glass window from the outside;
the light window sealing ring 3B is arranged between the light reflecting thread pressing ring 3D and the quartz glass window 3A, the tightness of the quartz glass window 3A can be improved through the arranged light window sealing ring 3B, and the right end of the light transmission tube 2 is isolated from the outside through the quartz glass window 3A and the light window sealing ring 3B, so that the detection result is more accurate.
As shown in fig. 3, in this embodiment, the shape of each of the plurality of convection holes 2A is preferably circular, elliptical or rectangular.
In the present embodiment, preferably, the ratio of the sum of the areas of the plurality of convection holes 2A to the surface area of the optical waveguide 2 is 35% or more, so that H inside and outside the optical waveguide 2 can be obtained 2 O 2 The concentration is balanced fast, the accuracy of the test is improved, and the detection efficiency is optimal.
In this embodiment, the optical waveguide tube 2 is preferably made of aluminum alloy. The aluminum alloy has good heat conduction performance, and is beneficial to the rapid heat balance of the light transmission tube 2.
In this embodiment, as a preferred embodiment, the ultraviolet light emitting module 1E-1 is an ultraviolet light emitting bulb, and generally adopts a bulb for emitting ultraviolet light with a specific wavelength, which has a small volume and is beneficial to sealing and miniaturization of the structure; the power consumption is extremely low, and the single power supply time of the rechargeable lithium battery pack 1B can be prolonged.
In the present embodiment, the ultraviolet light receiving module 1E-2 is preferably an ultraviolet light receiving sensor.
Working principle: the ultraviolet light emitting module 1E-1 is used for emitting ultraviolet rays with specific wavelength, the ultraviolet rays enter the light transmitting tube 2 through the light signal emitting channel 1F and are transmitted to the light reflecting module 3, the ultraviolet rays are reflected through the reflecting thread pressing ring 3D of the light reflecting module 3 and then enter the light signal receiving channel 1G through the light transmitting tube 2 and are transmitted to the ultraviolet light receiving module 1E-2, the ultraviolet light receiving module 1E-2 converts received light signals into electric signals and transmits the electric signals to the control processing module, and H is utilized 2 O 2 The characteristic of the gas for selectively absorbing ultraviolet rays with specific wavelength is measured by adopting a photoelectric technology, the concentration of the gas is calculated according to an L-B formula, and the concentration is stored and displayed to judge H in real time 2 O 2 Concentration of gas and shift trend.
L-B formula: log (V) 0 /V 1 ) =abc. Wherein:
V 0 initial value, V 1 Measuring values;
a ultraviolet light absorption coefficient (L/g.cm);
b, distance (CM) between transmitting and receiving probes;
c:H 2 O 2 gas concentration (mg/L).
The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.
Claims (8)
1. High-concentration H 2 O 2 The gas concentration testing device is characterized in that: the integrated cabin control system comprises an integrated cabin control module (1), an optical transmission pipe (2) and an optical reflection module (3), wherein the integrated cabin control module (1) is arranged at the left end of the optical transmission pipe (2), and the optical reflection module (3) is arranged at the right end of the optical transmission pipe (2);
the integrated bin control module (1) comprises a closed cavity, and an ultraviolet light receiving and transmitting module (1E) and a control processing module are arranged in the cavity;
the ultraviolet light receiving and transmitting module (1E) comprises an ultraviolet light emitting module (1E-1) and an ultraviolet light receiving module (1E-2);
a USB interface (1A) is arranged on the left side wall of the cavity, the USB interface (1A) is connected with a control processing module, the USB interface (1A) is used for data transmission and charging, and the control processing module provides required electric energy for an ultraviolet light emitting module (1E-1) and an ultraviolet light receiving module (1E-2);
the right end of the cavity is provided with an optical signal transmitting channel (1F) and an optical signal receiving channel (1G) which are physically isolated, the ultraviolet light transmitting module (1E-1) is positioned in the optical signal transmitting channel (1F), and the ultraviolet light receiving module (1E-2) is positioned in the optical signal receiving channel (1G);
the left end of the optical conduction pipe (2) is detachably connected with the cavity and communicated with the cavity;
the ultraviolet light emitted by the ultraviolet light emitting module (1E-1) enters the light transmitting tube (2) through the light signal emitting channel (1F) and is transmitted to the light reflecting module (3), and the light reflecting module (3) reflects the ultraviolet light and transmits the ultraviolet light to the ultraviolet light receiving module (1E-2) after entering the light signal receiving channel (1G) through the light transmitting tube (2);
the ultraviolet light receiving module (1E-2) converts the received optical signals into electric signals and transmits the electric signals to the control processing module, and the control processing module processes, displays and stores the electric signals;
a plurality of convection holes (2A) are uniformly formed in the pipe wall of the optical conduction pipe (2).
2. A high concentration H according to claim 1 2 O 2 The gas concentration testing device is characterized in that: the control processing module comprises a rechargeable lithium battery pack (1B), a liquid crystal display panel (1D) and a measurement and data storage panel (1C);
the rechargeable lithium battery pack (1B) and the measuring and data storage plate (1C) are arranged in the cavity, and the liquid crystal display plate (1D) is embedded on the side wall of the cavity;
the measuring and data storage plate (1C) is in signal connection with the liquid crystal display plate (1D), and the measuring and data storage plate (1C) is electrically connected with the lithium battery pack (1B);
the liquid crystal display panel (1D) is provided with a multifunctional touch switch which is used for controlling the on-off of the device and entering a measurement state.
3. A high concentration H according to claim 1 2 O 2 The gas concentration testing device is characterized in that: the light reflection module (3) comprises a quartz glass sleeve (3C), a quartz glass window (3A) and a light reflection thread pressing ring (3D);
the outer diameter of the quartz glass sleeve (3C) is matched with the inner diameter of the optical transmission tube (2), and the left end and the right end of the quartz glass sleeve (3C) are both openings;
the right end of the optical transmission pipe (2) is sleeved on the outer side wall of the quartz glass sleeve (3C), and the quartz glass sleeve (3C) is completely positioned in the optical transmission pipe (2);
the left end of the quartz glass sleeve (3C) is provided with a limiting circular ring (3E), the outer diameter of the limiting circular ring (3E) is matched with the inner diameter of the left end of the quartz glass sleeve (3C), and the inner diameter of the limiting circular ring (3E) is smaller than the diameter of the quartz glass window (3A);
the quartz glass window (3A) is arranged at the left end of the inner cavity of the quartz glass sleeve (3C) and is in contact with the inner side wall of the limit circular ring (3E), and the diameter of the quartz glass window (3A) is matched with the inner diameter of the left end of the inner cavity of the quartz glass sleeve (3C);
the reflective thread pressing ring (3D) is arranged at the right end of the quartz glass sleeve (3C), the left end of the reflective thread pressing ring (3D) is abutted against the right side of the quartz glass window (3A), and the reflective thread pressing ring (3D) is connected with the quartz glass sleeve (3C) through threads;
the limiting ring (3E) and the reflective thread pressing ring (3D) form a limit for the quartz glass window (3A);
an optical window sealing ring (3B) is arranged between the reflective thread pressing ring (3D) and the quartz glass window (3A).
4. A high concentration H according to claim 1 2 O 2 The gas concentration testing device is characterized in that: the shape of the convection holes (2A) is round, elliptical or rectangular.
5. A high concentration H according to claim 1 2 O 2 The gas concentration testing device is characterized in that: the ratio of the sum of the areas of the plurality of convection holes (2A) to the surface area of the optical transmission tube (2) is not less than 35%.
6. A high concentration H according to claim 1 2 O 2 The gas concentration testing device is characterized in that: the optical conduction pipe (2) is made of aluminum alloy.
7. A high concentration H according to claim 1 2 O 2 The gas concentration testing device is characterized in that: the ultraviolet light emitting module (1E-1) is an ultraviolet light emitting lamp bead.
8. A high concentration H according to claim 1 2 O 2 The gas concentration testing device is characterized in that: the ultraviolet light receiving module (1E-2) is an ultraviolet light receiving sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222570199.4U CN219512092U (en) | 2022-09-27 | 2022-09-27 | High-concentration H 2 O 2 Gas concentration testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222570199.4U CN219512092U (en) | 2022-09-27 | 2022-09-27 | High-concentration H 2 O 2 Gas concentration testing device |
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| Publication Number | Publication Date |
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| CN219512092U true CN219512092U (en) | 2023-08-11 |
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| CN202222570199.4U Active CN219512092U (en) | 2022-09-27 | 2022-09-27 | High-concentration H 2 O 2 Gas concentration testing device |
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| CN (1) | CN219512092U (en) |
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