CN110426363A - A kind of carbon monoxide gas concentration rapid determination device - Google Patents

A kind of carbon monoxide gas concentration rapid determination device Download PDF

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Publication number
CN110426363A
CN110426363A CN201910821018.0A CN201910821018A CN110426363A CN 110426363 A CN110426363 A CN 110426363A CN 201910821018 A CN201910821018 A CN 201910821018A CN 110426363 A CN110426363 A CN 110426363A
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China
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detector
ventilation
main body
carbon monoxide
determination device
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CN201910821018.0A
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CN110426363B (en
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张健
张玉波
李磊
齐二伟
李萌
徐永亮
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Henan University of Technology
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Henan University of Technology
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01Arrangements or apparatus for facilitating the optical investigation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01Arrangements or apparatus for facilitating the optical investigation
    • G01N2021/0106General arrangement of respective parts
    • G01N2021/0118Apparatus with remote processing

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

The present invention relates to Carbon Monoxide Detection technical fields, disclose a kind of carbon monoxide gas concentration rapid determination device, detector of the present invention can intermittent rotary be installed in detector main body, ventilation and the ventilation slot of helical structure are provided on detector, ventilation is extended spirally with ventilation slot along the axial direction of the detector, ventilation will test chamber with ventilation slot and be connected to outside, in this way, it is rotated using gap, it can be very good to will test intracavitary gas and be interchangeable with the external world, it is identical as the external world that detection intracavity gas is effectively ensured, guarantee detection accuracy, simultaneously, this method not will lead to the dirt saved bit by bit for a long time on fan blade and have an impact to testing result, effectively improve detection accuracy;The angle of the spiral winding of ventilation of the invention with ventilation slot from top starting point to lower terminal point can guarantee that test chamber internal gas is thoroughly taken a breath with the external world in detector rotation process or in intermittent rotary conversion in this way, improve detection accuracy at least more than 360 °.

Description

A kind of carbon monoxide gas concentration rapid determination device
Technical field
The present invention relates to Carbon Monoxide Detection technical field, specifically a kind of carbon monoxide gas concentration quickly measures dress It sets.
Background technique
Currently, current method is more, and wherein infrared spectrum detection method is for the detection of carbonomonoxide concentration The measurement to carbon monoxide gas concentration is realized in the absorption characteristic of infrared band using CO gas molecule, therefore, Its detection speed is fast, and accuracy rate is high, has very strong absorption peak in infrared band using carbon monoxide molecule, moreover, different Gas molecule has different characteristic absorption peaks in infrared band, therefore, passes through one using the light source being overlapped with CO gas absorption peak Quantitative tested gas then exports, inputs the difference of light intensity and can find out the dense of tested CO according to Beer-Lambert law Degree.Currently, the measurement for CO gas, the general absorption difference using CO at 4.67um and 4.72um wavelength is realized to CO The measurement of gas.
But usually this infrared spectrometry component is arranged in test chamber for current measuring device, and outside Air inlet and venthole are set at shell, and this mode is fairly simple, and since test chamber is typically small, this results in measurement being not Accurately, internal air-flow is inconsistent with the external world, is difficult effectively to be taken a breath, and commonly by the way of blower, often by In the effect of blower, not only blower has an impact detectable concentration, but also accumulation dirt is easy in blower, is easy in gas The substance that impurity, particle etc. influence detection accuracy substitutes into, and influences measurement accuracy.
Therefore, the present invention provides a kind of carbon monoxide gas concentration rapid determination devices, to solve above-mentioned background technique The problem of middle proposition.
Summary of the invention
The purpose of the present invention is to provide a kind of carbon monoxide gas concentration rapid determination devices, to solve above-mentioned background skill The problem of being proposed in art.
To achieve the above object, the invention provides the following technical scheme:
A kind of carbon monoxide gas concentration rapid determination device, including detector main body, block guard assembly and fixed outstanding Hanging component, wherein the detector main body is mounted on the fixed suspension assembly, the detector main body it is upper End installation settings has detector, is also connected with to be provided with to be sheathed on the detector in the detector main body and blocks protection Component is provided with the infrared spectroscopy detection components detected to CO gas in the test chamber inside the detector, The infrared spectroscopy detection components can be realized according to absorption characteristic of the CO gas to spectrum to CO gas Concentration Testing;It is characterized in that, the detector can intermittent rotary be installed in the detector main body, and the detector On be provided with ventilation and the ventilation slot of helical structure, the ventilation is prolonged with slot of taking a breath along the axial direction spiral of the detector It stretches, and the test chamber is connected to by the ventilation with ventilation slot with outside.
Further, preferably, the upper end of the detector main body is provided with mounting groove, drive is provided in the mounting groove Dynamic motor, the bottom of the detector are fixed on rotating disc, and the bottom of the rotating disc is equipped with rotating shaft base, the rotation Axle bed is installed in the detector main body using thin-wall bearing, and the bottom of the rotating shaft base is provided with and the driving electricity The driving column of the output end connection of machine
Further, preferably, the driving column is magnetic texure, and the both ends of the driving column of the magnetism are separately connected Mute rubber pad is arranged in the both ends of the output end of the rotating shaft base and driving motor, and the driving column of the magnetism.
Further, preferably, the upper end of the detector main body, which is located on the outside of the detector, is additionally provided with limit Block set, the end for blocking guard assembly can abut against the limit block set.
Further, preferably, the top in test chamber in the detector is provided with infrared emission light source, the inspection The bottom of gauge head is provided with infrared detector, be provided between the infrared detector and the infrared emission light source optical filter and Lens, the infrared emission light source, infrared detector are connect with controller, and the controller can be to the infrared detector The information of detection is analyzed and is handled, to calculate the concentration of CO gas.
Further, described preferably, the limit block set is flexible retractable structure in its axial direction The angle of spiral winding of the ventilation with ventilation slot from top starting point to lower terminal point is at least more than 360 °.
Further, preferably, the front surface of the detector main body offers thermovent, the detector main body it is outer Portion's engaging has engaging component, and guard assembly is blocked described in the side connection of detector main body, and the bottom of the engaging component is solid Dingan County is equipped with support plate.
Further, preferably, the engaging component include the second limit plate, second sliding slot, second spring, connecting plate, First sliding groove, the first spring, the first limit plate, fixed block, first support, second support, the second fastening bolt and the first fastening Bolt, the two sides of the connecting plate offer first sliding groove and second sliding slot respectively, and the rear surface of connecting plate is fixedly installed with Fixed block, the internal slide of the first sliding groove has the first limit plate, and the junction of first sliding groove and the first limit plate is arranged There is the first spring, the internal slide of the second sliding slot has the second limit plate, and the junction of second sliding slot and the second limit plate It is provided with second spring, the two sides of the fixed block are separately installed with first support and second support, the first support and The inside of two brackets, which is respectively embedded into, is equipped with the first fastening bolt and the second fastening bolt.
Further, preferably, the first support and second support fasten spiral shell with the first fastening bolt and second respectively Bolt is connected through a screw thread, and first support and second support are screwed with the upper surface of support plate, first limit Position plate and the second limit plate are Qian shape structure, and the first limit plate and the second limit plate are the component of plastic material.
Further, preferably, the guard assembly that blocks includes drawstring, thread groove, the first cylinder, limiting slot and second Cylinder, one end of second cylinder, which is fixedly installed with, blocks guard assembly, and the other end of the second cylinder is fixedly installed with One cylinder, the inside of first cylinder offer thread groove, and the junction of the first cylinder and detector main body is provided with drawing Rope, the inside of second cylinder offer limiting slot, and the thread groove and limiting slot communicate, and thread groove and limit block set are logical Screw thread socket is crossed, the diameter of the limiting slot is greater than the diameter of detector.
Compared with prior art, the beneficial effects of the present invention are:
1, detector of the present invention can intermittent rotary be installed in detector main body, be provided with spiral knot on detector The ventilation of structure and ventilation slot, ventilation are extended spirally with ventilation slot along the axial direction of the detector, and ventilating will with ventilation slot The test chamber is connected to outside, in this way, being rotated using gap, can be very good to will test intracavitary gas and extraneous progress is mutual Change, be effectively ensured detection intracavity gas it is identical with the external world, guarantee detection accuracy, meanwhile, this method not will lead on fan blade The dirt saved bit by bit for a long time has an impact testing result, effectively improves detection accuracy;
2, the angle of spiral winding of the ventilation of the invention with ventilation slot from top starting point to lower terminal point at least more than 360 °, can guarantee in detector rotation process in this way or intermittent rotary conversion in, test chamber internal gas is thoroughly and outside Boundary's ventilation, improves detection accuracy;
3, the present invention is detected by the way of infrared spectroscopy, and rapidly, precision is high, while the present invention passes through engaging for detection Component can also adjust its putting angle while convenient for users to placing to detector main body according to actual needs Degree, convenient for users to actual use;
4, detector can be blocked and is protected by blocking guard assembly, prevent the touching of external force from leading to detector The problem of damaging improves the security performance of detector.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of carbon monoxide gas concentration rapid determination device;
Fig. 2 is that the mounting structure of first support and second support shows in a kind of carbon monoxide gas concentration rapid determination device It is intended to;
Fig. 3 is the structural schematic diagram that component is engaged in a kind of carbon monoxide gas concentration rapid determination device;
Fig. 4 is the enlarged drawing of part A in Fig. 1;
Fig. 5 is the structural schematic diagram that guard assembly is blocked in a kind of carbon monoxide gas concentration rapid determination device.
Fig. 6 is detector inside and the mounting structure schematic diagram of a kind of carbon monoxide gas concentration rapid determination device.
Specific embodiment
Please refer to Fig. 1~6, in the embodiment of the present invention, a kind of carbon monoxide gas concentration rapid determination device, including detection Instrument main body 2 blocks guard assembly 1 and fixed suspension assembly, wherein the detector main body 2 is mounted at described solid Determine on suspension assembly, the upper end installation settings of the detector main body has detector 19, is also connected with and sets in the detector main body It is equipped with to be sheathed on the detector and blocks guard assembly 1, be provided in the test chamber inside the detector 19 to one The infrared spectroscopy detection components that carbon oxide gas is detected, the infrared spectroscopy detection components can be according to CO gas The Concentration Testing to CO gas is realized to the absorption characteristic of spectrum;It is characterized in that, the detector 19 can gap turn Dynamic is installed in the detector main body 2, and ventilation and the ventilation slot 25 of helical structure are provided on the detector, described Ventilation is extended spirally with ventilation slot along the axial direction of the detector, and the ventilation with slot 25 of taking a breath by the test chamber It is connected to outside.
In the present embodiment, the upper end of the detector main body is provided with mounting groove, and driving is provided in the mounting groove Motor 28, the bottom of the detector are fixed on rotating disc 30, and the bottom of the rotating disc is equipped with rotating shaft base 27, described Rotating shaft base is installed in the detector main body using thin-wall bearing, and the bottom of the rotating shaft base is provided with and the drive The driving column 29 of the output end connection of dynamic motor
As preferred embodiment, the driving column is magnetic texure, and the both ends of the driving column of the magnetism connect respectively It is connected to the output end of the rotating shaft base 27 and driving motor, and the both ends of the driving column of the magnetism are arranged with mute rubber Pad.
Wherein, the upper end of the detector main body, which is located on the outside of the detector, is additionally provided with limit block set 18, described The end for blocking guard assembly can abut against the limit block set.
The top in test chamber in the detector is provided with infrared emission light source 33, the bottom setting of the detector There is infrared detector 30, optical filter 32 and lens 26, institute are provided between the infrared detector and the infrared emission light source State infrared emission light source 33, infrared detector 30 is connect with controller, the controller can visit the infrared detector The information of survey is analyzed and is handled, to calculate the concentration of CO gas.
In order to guarantee ventilation with ventilation completeness, the limit block set 18 in its axial direction be it is flexible can Stretching structure, the angle of spiral winding of the ventilation with ventilation slot 25 from top starting point to lower terminal point is at least more than 360 °.
The front surface of the detector main body 2 offers thermovent 4, and the external engaging of the detector main body 2 has engaging Component 7, and guard assembly 1 is blocked described in the side connection of detector main body 2, the bottom of the engaging component 7 is fixedly installed with Support plate 5.
The engaging component 7 includes the second limit plate 6, second sliding slot 13, second spring 15, connecting plate 8, first sliding groove 16, the first spring 17, the first limit plate 3, fixed block 9, first support 10, second support 11, the second fastening bolt 12 and first Fastening bolt 14, the two sides of the connecting plate 8 offer first sliding groove 16 and second sliding slot 13, and the rear table of connecting plate 8 respectively Face is fixedly installed with fixed block 9, and the internal slide of the first sliding groove 16 has the first limit plate 3, and first sliding groove 16 and first The junction of limit plate 3 is provided with the first spring 17, and the internal slide of the second sliding slot 13 has the second limit plate 6, and second The junction of sliding slot 13 and the second limit plate 6 is provided with second spring 15, and the two sides of the fixed block 9 are separately installed with first The inside of frame 10 and second support 11, the first support 10 and second support 11, which is respectively embedded into, is equipped with the first fastening bolt 14 With the second fastening bolt 12.
The first support 10 and second support 11 pass through spiral shell with the first fastening bolt 14 and the second fastening bolt 12 respectively Line connection, and the upper surface of first support 10 and second support 11 with support plate 5 is screwed, first limit plate 3 and second limit plate 6 be Qian shape structure, and the first limit plate 3 and the second limit plate 6 are the component of plastic material.
The guard assembly 1 that blocks includes drawstring 20, thread groove 21, the first cylinder 22, limiting slot 23 and the second cylinder 24, One end of second cylinder 24, which is fixedly installed with, blocks guard assembly 1, and the other end of the second cylinder 24 is fixedly installed with One cylinder 22, the inside of first cylinder 22 offer thread groove 21, and the junction of the first cylinder 22 and detector main body 2 It is provided with drawstring 20, the inside of second cylinder 24 offers limiting slot 23, and the thread groove 21 and limiting slot 23 communicate, and Thread groove 21 and limit block set 18 are socketed by screw thread, and the diameter of the limiting slot 23 is greater than the diameter of detector 19.
In installation and detection, user first places support plate 5 on the support surface, at this time by the first limit plate the present invention 3 and second limit plate 6 to two side stretchings, then will test instrument main body 2 and be placed between the first limit plate 3 and the second limit plate 6, so After unclamp the first limit plate 3 and the second limit plate 6, first limit plate under the action of the first spring 17 and second spring 15 at this time 3 and second limit plate 6 move towards, clamped and fastened to will test instrument main body 2, then user is rotated further by detector Main body 2 is rotated to ideal position, at this time by the first fastening bolt 14 of rotation and the second fastening bolt 12, to will consolidate Determine block 9 to be fastened, detector main body 2 is fixed at this time, by engaging component 7 convenient for users to detector main body 2 While placement, its placement angle can also be adjusted according to actual needs, convenient for users to actual use, then used Limit block set 18 is passed through detector 19 again by person, and is fixed in the upper surface of detector main body 2, and when detector 19 uses Later, 22 screw thread of the first cylinder is socketed in the outside for limiting block set 18 by user at this time, and limiting slot 23 can incite somebody to action at this time Detector 19 is blocked, to play a protective role, detector 19 can be blocked and be protected by blocking guard assembly 1 The problem of protecting, preventing the touching of external force from detector 19 being caused to damage, improves the security performance of detector 19.When detection, Detector 19 can gap rotation be installed in the detector main body 2, and be provided with the logical of helical structure on the detector Gas and ventilation slot 25, ventilation are extended spirally with ventilation slot along the axial direction of the detector, and the ventilation and ventilation slot 25 are connected to the test chamber with outside, in this way, internal air-flow ventilation may be implemented in the intermittent rotary of detector when detecting, The precision for guaranteeing detection, can also repeatedly measure, and improve measurement accuracy.
It is above-described, it is merely preferred embodiments of the present invention, but protection scope of the present invention is not limited to This, anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention And its inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (10)

1. a kind of carbon monoxide gas concentration rapid determination device, including detector main body (2), block guard assembly (1) and solid Determine suspension assembly, wherein the detector main body (2) is mounted on the fixed suspension assembly, the detector The upper end installation settings of main body has detector (19), and the detector can be sheathed on by being also connected with to be provided in the detector main body On block guard assembly (1), be provided in the internal test chamber of the detector (19) and CO gas detected Infrared spectroscopy detection components, the infrared spectroscopy detection components can be real to the absorption characteristic of spectrum according to CO gas Now to the Concentration Testing of CO gas;It is characterized in that, the detector (19) can intermittent rotary be installed on the inspection It surveys on instrument main body (2), and is provided with the ventilation and ventilation slot (25) of helical structure on the detector, the ventilation and ventilation slot It is extended spirally along the axial direction of the detector, and the ventilation connects the test chamber with outside with ventilation slot (25) It is logical.
2. a kind of carbon monoxide gas concentration rapid determination device according to claim 1, which is characterized in that the detection The upper end of instrument main body is provided with mounting groove, and driving motor (28) are provided in the mounting groove, and the bottom of the detector is fixed On rotating disc (30), the bottom of the rotating disc is equipped with rotating shaft base (27), and the rotating shaft base is pacified using thin-wall bearing Loaded in the detector main body, and the bottom of the rotating shaft base is provided with the drive connecting with the output end of the driving motor Dynamic column (29).
3. a kind of carbon monoxide gas concentration rapid determination device according to claim 2, which is characterized in that the driving Column is magnetic texure, and the both ends of the driving column of the magnetism are connected to the defeated of the rotating shaft base (27) and driving motor Outlet, and the both ends of the driving column of the magnetism are arranged with mute rubber pad.
4. a kind of carbon monoxide gas concentration rapid determination device according to claim 2, which is characterized in that the detection The upper end of instrument main body, which is located on the outside of the detector, is additionally provided with limit block set (18), the end energy for blocking guard assembly Enough abut against the limit block set.
5. a kind of carbon monoxide gas concentration rapid determination device according to claim 2, which is characterized in that the detection The top in test chamber in head is provided with infrared emission light source (33), and the bottom of the detector is provided with infrared detector (30), optical filter (32) and lens (26) are provided between the infrared detector and the infrared emission light source, it is described infrared Transmitting light source (33), infrared detector (30) are connect with controller, and the controller can detect the infrared detector Information analyzed and handled, to calculate the concentration of CO gas.
6. a kind of carbon monoxide gas concentration rapid determination device according to claim 5, which is characterized in that the limit Block set (18) in its axial direction be flexible retractable structure, it is described ventilation with ventilation slot (25) from top starting point to The angle of the spiral winding of lower terminal point is at least more than 360 °.
7. a kind of carbon monoxide gas concentration rapid determination device according to claim 5, which is characterized in that the detection The front surface of instrument main body (2) offers thermovent (4), and the external engaging of the detector main body (2) has engaging component (7), and It is blocked guard assembly (1) described in the side connection of detector main body (2), the bottom of engaging component (7) is fixedly installed with branch Fagging (5).
8. a kind of carbon monoxide gas concentration rapid determination device according to claim 7, which is characterized in that the engaging Component (7) includes the second limit plate (6), second sliding slot (13), second spring (15), connecting plate (8), first sliding groove (16), the One spring (17), the first limit plate (3), fixed block (9), first support (10), second support (11), the second fastening bolt (12) With the first fastening bolt (14), the two sides of the connecting plate (8) offer first sliding groove (16) and second sliding slot (13) respectively, and The rear surface of connecting plate (8) is fixedly installed with fixed block (9), and the internal slide of the first sliding groove (16) has the first limit plate (3), and the junction of first sliding groove (16) and the first limit plate (3) is provided with the first spring (17), the second sliding slot (13) Internal slide have the second limit plate (6), and the junction of second sliding slot (13) and the second limit plate (6) is provided with second spring (15), the two sides of the fixed block (9) are separately installed with first support (10) and second support (11), the first support (10) It is respectively embedded into the inside of second support (11) and the first fastening bolt (14) and the second fastening bolt (12) is installed.
9. a kind of carbon monoxide gas concentration rapid determination device according to claim 8, which is characterized in that described first Bracket (10) and second support (11) are connected through a screw thread with the first fastening bolt (14) and the second fastening bolt (12) respectively, and The upper surface of first support (10) and second support (11) with support plate (5) is screwed, first limit plate (3) It is Qian shape structure with the second limit plate (6), and the first limit plate (3) and the second limit plate (6) are the component of plastic material.
10. a kind of carbon monoxide gas concentration rapid determination device according to claim 7, which is characterized in that the screening Keeping off guard assembly (1) includes drawstring (20), thread groove (21), the first cylinder (22), limiting slot (23) and the second cylinder (24), institute The one end for stating the second cylinder (24), which is fixedly installed with, blocks guard assembly (1), and the other end of the second cylinder (24) is fixedly mounted Have the first cylinder (22), the inside of first cylinder (22) offers thread groove (21), and the first cylinder (22) and detector The junction of main body (2) is provided with drawstring (20), and the inside of second cylinder (24) offers limiting slot (23), the screw thread Slot (21) and limiting slot (23) communicate, and thread groove (21) and limit block set (18) are socketed by screw thread, the limiting slot (23) Diameter be greater than detector (19) diameter.
CN201910821018.0A 2019-08-30 2019-08-30 Carbon monoxide gas concentration rapid measurement device Active CN110426363B (en)

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CN114965903B (en) * 2022-07-04 2023-02-10 嘉达云科技(深圳)有限公司 Anti-blocking type carbon monoxide detection alarm device and method

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