CN114705631B - Intelligent multi-component gas collection and analysis device - Google Patents
Intelligent multi-component gas collection and analysis device Download PDFInfo
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- CN114705631B CN114705631B CN202111239896.5A CN202111239896A CN114705631B CN 114705631 B CN114705631 B CN 114705631B CN 202111239896 A CN202111239896 A CN 202111239896A CN 114705631 B CN114705631 B CN 114705631B
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- 238000007789 sealing Methods 0.000 claims description 42
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 230000001914 calming effect Effects 0.000 claims 2
- 239000007789 gas Substances 0.000 description 34
- 238000001514 detection method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 238000005070 sampling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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Abstract
The invention discloses an intelligent multi-component gas collection and analysis device, and relates to the technical field of gas collection and analysis devices; in order to improve the flexibility and reliability of acquisition and analysis; the analyzer comprises an analyzer, a collecting tank and an air compressing assembly, wherein analyzing heads distributed at equal intervals are mounted on one side inner wall of the analyzer, the analyzing heads are detachably inserted into the top of the collecting tank, the air compressing assembly comprises an air compressing bag, an air supply pipe and a collecting pipe, the air supply pipe and the collecting pipe are respectively arranged on the outer walls of two ends of the air compressing bag, one end of the collecting pipe is fixedly provided with a unidirectional collecting head, and one side inner wall of the unidirectional collecting head is fixedly provided with a supporting frame. According to the invention, through the structures such as the air pressing bag, the unidirectional acquisition head, the unidirectional air supply chamber and the like, the air supply plug can be inserted into the air inlet joint of the acquisition tank according to requirements, and the air to be acquired is conveyed unidirectionally through the unidirectional acquisition head and the unidirectional air supply chamber in a manner of extruding the air pressing bag, so that the use flexibility is improved.
Description
Technical Field
The invention relates to the technical field of gas collection and analysis devices, in particular to an intelligent multi-component gas collection and analysis device.
Background
A gas collection and analysis device is a common instrument for detecting the quality of gas components, and is usually used for detecting components and the content of each component in the gas by measuring and analyzing the spectra generated by different gases; the current gas collection and analysis device can meet certain use requirements, but the collection mode is single, and rapid and flexible collection and analysis work cannot be carried out according to actual requirements, so that improvement is still needed.
Through retrieving, chinese patent application number CN201821805226.9 discloses a multicomponent gas collection analyzer, including light emitter, light receiver, detection circuitry, sampling detection chamber, adsorption pump, first clean structure, second clean structure, controller and comparator: the light emitter and the light receiver are arranged in the sampling detection cavity, and the adsorption pump is connected with the sampling detection cavity; the detection circuit is electrically connected with the light receiver; the light emitter comprises a light emergent surface, and the first cleaning structure is in contact with the light emergent surface and can do reciprocating motion on the plane where the light emergent surface is located; the light receiver comprises a light receiving surface, and the second cleaning structure is in contact with the light receiving surface and can do reciprocating motion on the plane where the light receiving surface is located; the first cleaning structure and the second cleaning structure are connected with the controller; the comparator is connected with the light receiver and the controller. The gas collection analyzers in the above patents suffer from the following disadvantages: although the device can meet certain use requirements, the collection mode is single, and rapid and flexible collection and analysis work cannot be performed according to actual requirements, so that improvement is still needed.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an intelligent multi-component gas collection and analysis device.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides an intelligent multicomponent gas collection analytical equipment, includes analysis appearance, collection jar and gas subassembly, the analysis head that the equidistance distributes is installed to analysis appearance one side inner wall, analysis head detachable is pegged graft in collection jar top, gas subassembly includes presses gasbag, air supply pipe and collection pipe, and air supply pipe and collection pipe set up respectively in pressing gasbag both ends outer wall, collection pipe one end is fixed with one-way collection head, and one-way collection head one side inner wall is fixed with the support frame, and support frame inner wall sliding connection has the slide bar, the slide bar top is fixed with the sealing head, is provided with first spring between sealing head and the support frame, and sealing head top is the round platform column structure with one-way collection head inner wall adaptation; one end of the air supply pipe is adhered with a one-way air supply chamber, a sealing ball is arranged on the inner wall of one side of the one-way air supply chamber away from the air supply pipe through a second spring, an air supply plug is arranged on the outer wall of one side of the one-way air supply chamber, an air inlet connector is arranged on the outer wall of one side of the collection tank, and the air supply plug is detachably inserted into the inner wall of the air inlet connector of the collection tank.
Preferably: the inner wall of one side of the collecting tank is provided with a sealing ring in an embedded mode, and the inner wall of the top of the collecting tank is adhered with a sealing rubber sleeve.
Further: the gas inlet connector one side outer wall of the collection tank is connected with a sealing cover through a connecting rope, and the sealing cover is detachably arranged on the gas inlet connector outer wall through threads.
Further preferred is: the analyzer comprises an analyzer, a pressure air bag, a pressing frame, a guide rod, a fixing frame, a pressing frame and a guide rod, wherein the fixing frame is fixed on the outer wall of one side of the analyzer, one end of the pressure air bag is connected to the inner wall of the fixing frame in a clamping mode, and the other end of the pressure air bag is connected to the pressing frame in a clamping mode.
As a preferred embodiment of the present invention: the bottom of the collection tank is connected with a gas storage bag through a connecting pipe; and a positioning seat matched with the air storage bag is fixed on the inner wall of one side of the analyzer.
Further preferred as the present invention is: the outer wall of one side of the collection tank is provided with an arc slot, a label plate is detachably inserted in the arc slot, and the label plate is of an arc structure matched with the collection tank.
As still further aspects of the invention: the inner wall of one side of the analyzer is fixedly provided with a supporting seat, the inner wall of the supporting seat is slidably connected with a sliding seat, a third spring is arranged between the sliding seat and the supporting seat, one end inner wall of the sliding seat is slidably connected with an inserting rod, one end of the inserting rod is provided with an elastic buckle, and the collecting tank is detachably clamped in the elastic buckle.
Based on the scheme: the inner wall of one side of the sliding seat is adhered with a magnetic attraction block which is matched with the inner wall of one end of the inserted link.
Preferred on the basis of the foregoing scheme: the inner wall of one side of the analyzer is fixedly provided with fixed buckles distributed at equal intervals, the fixed buckles are matched with the size of the collection tank, the inner wall of one side of the analyzer is inserted with a baffle, and the baffle and the fixed buckles are distributed in a staggered manner; and the outer wall of one side of the analyzer is hinged with a side door through a hinge.
The beneficial effects of the invention are as follows:
1. according to the invention, through the structures such as the air pressing bag, the unidirectional collection head, the unidirectional air supply chamber and the like, the air supply plug can be inserted into the air inlet joint of the collection tank according to requirements, and the air to be collected is conveyed unidirectionally through the unidirectional collection head and the unidirectional air supply chamber in a manner of extruding the air pressing bag and is extruded into the collection tank, so that the use flexibility is improved.
2. By arranging the structures such as the sealing ring, the sealing rubber sleeve and the like, the tightness of the collection tank during analysis and detection can be ensured, and the reliability is improved; through setting up connecting rope and sealed lid, can carry out reliable seal to the air inlet connector when not meeting with the air feed plug, promoted the practicality.
3. By arranging the structures such as the pressing frame and the fixing frame, the air bag can be pressed in a mode that the pressing frame is pressed to one side of the fixing frame, so that the labor-saving effect is achieved; through setting up arc slot and label board, can be convenient for carry out the mark processing to collection tank, and the label board is detachable setting, has promoted the flexibility of use.
4. The storage capacity of the collection tank can be enlarged by arranging the air storage bag, and in addition, the air inflation quantity can be judged according to the inflation degree of the air storage bag when the collection tank is inflated, so that the practicability is improved; when the air inlet joint of the collection tank is sealed by the sealing cover, partial gas can be controlled to be discharged from the collection tank in a mode of extruding the air storage bag according to requirements.
5. Through the arrangement of the structures such as the elastic buckle and the sliding seat, after the collection tank and the elastic buckle are assembled, enough space is provided for inserting the analysis head into the sealing rubber sleeve in a manner of pressing the sliding seat, and finally the sliding seat is loosened, so that the inserted link is inserted into the sliding seat to be fixed under the action of the resilience force of the third spring; the inserted link is in a hexagonal prism structure; through setting up structures such as elasticity buckle, sliding seat, can carry out reliable support to the collection jar in the analysis fixedly, promoted the practicality.
Drawings
FIG. 1 is a schematic diagram of the whole structure of an intelligent multi-component gas collection and analysis device according to the present invention;
FIG. 2 is a schematic diagram of a side door removing structure of an intelligent multi-component gas collection and analysis device according to the present invention;
FIG. 3 is a schematic diagram of the installation structure of a collection tank and an analysis head of the intelligent multi-component gas collection and analysis device;
FIG. 4 is a schematic diagram showing the structure of the collection tank and the elastic buckle of the intelligent multi-component gas collection and analysis device detached from the analyzer;
FIG. 5 is a schematic diagram of a cross-sectional structure of a unidirectional air supply chamber and a sliding seat of an intelligent multi-component gas collection and analysis device;
fig. 6 is a schematic diagram of a one-way acquisition head section of an intelligent multi-component gas acquisition and analysis device according to the present invention.
In the figure: the device comprises an analyzer 1, a collecting tank 2, a pressure air bag 3, a guide rod 4, a gas compressing assembly 5, a gas supply pipe 6, a sealing cover 7, a gas storage bag 8, a one-way gas supply chamber 9, a side door 10, a baffle 11, a fixed buckle 12, a one-way collecting head 13, a collecting pipe 14, a pressing frame 15, a fixing frame 16, a connecting pipe 17, a connecting rope 18, a label plate 19, an analyzing head 20, an elastic buckle 21, a positioning seat 22, a sliding seat 23, a supporting seat 24, a sealing rubber sleeve 25, an arc-shaped slot 26, a sealing ring 27, a sealing ball 28, a gas supply plug 29, a magnetic suction block 30, a plug rod 31, a sealing head 32, a supporting frame 33 and a sliding rod 34.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.
In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.
Example 1:
1-6, including analysis appearance 1, collection jar 2 and gas subassembly 5, analysis appearance 1 one side inner wall installs the analysis head 20 that the equidistance distributes, analysis head 20 detachable grafting is in collection jar 2 top, gas subassembly 5 includes pressure air bag 3, air supply pipe 6 and collection pipe 14, and air supply pipe 6 and collection pipe 14 are respectively integrated into one piece and are set up in the outer wall in pressure air bag 3 both ends, collection pipe 14 one end is fixed with one-way collection head 13, one-way collection head 13 side inner wall is through the screw fixation support frame 33, and support frame 33 inner wall sliding connection has slide bar 34, the slide bar 34 top is through the screw fixation sealing head 32, is provided with first spring between sealing head 32 and the support frame 33, sealing head 32 top is the round platform column structure with one-way collection head 13 inner wall adaptation; one end of the air supply pipe 6 is adhered with a one-way air supply chamber 9, a sealing ball 28 is arranged on the inner wall of one side of the one-way air supply chamber 9 away from the air supply pipe 6 through a second spring, an air supply plug 29 is integrally arranged on the outer wall of one side of the one-way air supply chamber 9, an air inlet joint is arranged on the outer wall of one side of the collection tank 2, and the air supply plug 29 is detachably inserted into the inner wall of the air inlet joint of the collection tank 2; through setting up and pressing gasbag 3, one-way collection head 13 and one-way air feed chamber 9 isotructure, can be according to the demand, insert air feed plug 29 in the air inlet joint of collection jar 2, utilize the mode of pressing gasbag 3 to make the gaseous one-way transport through one-way collection head 13 and one-way air feed chamber 9 that needs to gather, extrude to collection jar 2 in, promoted the flexibility of use, in addition, this mode can be through pressing gasbag 3 repeatedly, discharge other gases from collection jar 2 top, the error has been reduced, the reliability has been promoted.
To ensure tightness; as shown in fig. 5, a sealing ring 27 is embedded in the inner wall of one side of the collection tank 2, and a sealing rubber sleeve 25 is adhered to the inner wall of the top of the collection tank 2, wherein the sealing rubber sleeve 25 can maintain a closed state as much as possible based on the elasticity of the sealing rubber sleeve when the analysis head 20 is not inserted; by arranging the structures such as the sealing ring 27 and the sealing rubber sleeve 25, the tightness of the collection tank 2 during analysis and detection can be ensured, and the reliability is improved.
In order to ensure the tightness of the collection tank 2 when the air supply plug 29 is not inserted; as shown in fig. 3 and 5, the outer wall of the collecting tank 2 at one side of the air inlet joint is connected with a sealing cover 7 through a connecting rope 18, and the sealing cover 7 is detachably arranged on the outer wall of the air inlet joint through threads; by providing the connecting rope 18 and the sealing cover 7, the air inlet connector can be reliably sealed when the air inlet connector is not connected with the air supply plug 29, and the practicability is improved.
In order to facilitate pressing the pressing airbag 3; as shown in fig. 3 and 6, a fixing frame 16 is fixed on the outer wall of one side of the analyzer 1 through screws, one end of an air bag 3 is clamped on the inner wall of the fixing frame 16, the other end of the air bag 3 is clamped with a pressing frame 15, a guide rod 4 is integrally arranged on the outer wall of one side of the fixing frame 16, and the guide rod 4 is slidably connected on the inner wall of the pressing frame 15; by providing the structure such as the pressing frame 15 and the fixing frame 16, the pressing frame 15 can be pressed to the fixing frame 16 to press the air bag 3, thereby achieving the effect of saving labor.
To improve the practicality; as shown in fig. 4, the bottom of the collection tank 2 is connected with a gas storage bag 8 through a connecting pipe 17; the inner wall of one side of the analyzer 1 is fixed with a positioning seat 22 which is matched with the air storage bag 8 through screws; by arranging the air storage bag 8, the storage capacity of the collection tank 2 can be enlarged, and in addition, the air inflation amount can be judged according to the inflation degree of the air storage bag 8 when the collection tank 2 is inflated, so that the practicability is improved; when the air inlet joint of the collection tank 2 is sealed by the sealing cover 7, partial air can be controlled to be discharged from the collection tank 2 by extruding the air storage bag 8 according to the requirement.
To improve the practicality; as shown in fig. 3 and 5, an arc slot 26 is arranged on the outer wall of one side of the collection tank 2, a label plate 19 is detachably inserted in the arc slot 26, and the label plate 19 is in an arc structure matched with the collection tank 2; through setting up arc slot 26 and label board 19, can be convenient for carry out the mark processing to collection tank 2, and label board 19 is detachable setting, has promoted the flexibility of use.
When the air supply plug 29 is used, a user inserts the air supply plug 29 into the air inlet connector of the collection tank 2, the air to be collected is conveyed unidirectionally through the unidirectional collection head 13 and the unidirectional air supply chamber 9 in a manner of extruding the air pressure bag 3, the air pressure in the collection tank 2 is increased by repeatedly extruding the air pressure bag 3, the air is caused to leak out of the sealing rubber sleeve 25, the air in the collection tank 2 is discharged originally, the purpose of reducing analysis errors is achieved, the shape of the air storage bag 8 is enabled to be normal by the user through extruding the air storage bag 8, the air pressure in the collection tank 2 is controlled in a proper measuring range, and finally the analysis head 20 is inserted into the sealing rubber sleeve 25 for detection.
Example 2:
an intelligent multi-component gas collection and analysis device is shown in figures 3-5, so as to support and fix a collection tank 2 in analysis conveniently; the present example was modified on the basis of example 1 as follows: the inner wall of one side of the analyzer 1 is fixed with a supporting seat 24 through a screw, the inner wall of the supporting seat 24 is slidably connected with a sliding seat 23, a third spring is arranged between the sliding seat 23 and the supporting seat 24, the inner wall of one end of the sliding seat 23 is slidably connected with an inserting rod 31, one end of the inserting rod 31 is integrally provided with an elastic buckle 21, and the collecting tank 2 is detachably clamped in the elastic buckle 21; by arranging the structures such as the elastic buckle 21 and the sliding seat 23, after the collection tank 2 and the elastic buckle 21 are assembled, enough space is provided for inserting the analysis head 20 into the sealing rubber sleeve 25 by pressing the sliding seat 23, and finally the sliding seat 23 is loosened, so that the inserting rod 31 is inserted into the sliding seat 23 to be fixed under the action of the resilience force of the third spring; the inserted link 31 has a hexagonal prism structure; through setting up structures such as elasticity buckle 21, sliding seat 23, can carry out reliable support to collection jar 2 in the analysis fixedly, promoted the practicality.
In order to improve reliability, as shown in fig. 4 and 5, an adaptive magnetic block 30 is adhered to the inner wall of one side of the sliding seat 23 and the inner wall of one end of the inserting rod 31; through setting up the magnetism and inhale the piece 30, can promote the firmness of being connected between sliding seat 23 and the inserted bar 31, promoted the reliability.
In order to facilitate placement of the unused collection tank 2, as shown in fig. 2, the inner wall of one side of the analyzer 1 is fixed with fixed buckles 12 distributed at equal intervals through screws, the fixed buckles 12 are matched with the size of the collection tank 2, the inner wall of one side of the analyzer 1 is inserted with baffle plates 11, and the baffle plates 11 and the fixed buckles 12 are distributed in a staggered manner; the outer wall of one side of the analyzer 1 is hinged with a side door 10 through a hinge; through setting up structures such as fixed knot 12, baffle 11, can place collection tank 2 and air storage bag 8 when not using, promoted the practicality.
In the foregoing, the present invention is not limited to the only preferred embodiment, but the protection scope of the present invention is not limited to the only preferred embodiment, and any person skilled in the art, in combination with the prior art or the public knowledge, should make equivalents, equivalent substitutions or changes according to the technical scheme and the inventive concept of the present invention within the scope of the present invention.
Claims (6)
1. The utility model provides an intelligent multicomponent gas collection analytical equipment, includes analysis appearance (1), collection jar (2) and subassembly (5) of calming the anger, a serial communication port, analysis appearance (1) one side inner wall installs analysis head (20) that the equidistance distributes, analysis head (20) detachable grafting is in collection jar (2) top, subassembly (5) of calming the anger include press gasbag (3), air supply pipe (6) and collection pipe (14) set up respectively in press gasbag (3) both ends outer wall, collection pipe (14) one end is fixed with one-way collection head (13), one-way collection head (13) one side inner wall is fixed with support frame (33), support frame (33) inner wall sliding connection has slide bar (34), slide bar (34) top is fixed with sealing head (32), is provided with first spring between sealing head (32) and the support frame (33), sealing head (32) top be the round platform column form structure with one-way collection head (13) inner wall adaptation; one end of the air supply pipe (6) is adhered with a one-way air supply chamber (9), a sealing ball (28) is arranged on the inner wall of one side of the one-way air supply chamber (9) away from the air supply pipe (6) through a second spring, an air supply plug (29) is arranged on the outer wall of one side of the one-way air supply chamber (9), an air inlet connector is arranged on the outer wall of one side of the acquisition tank (2), and the air supply plug (29) is detachably inserted into the inner wall of the air inlet connector of the acquisition tank (2);
the analyzer comprises an analyzer (1), wherein a fixing frame (16) is fixed on the outer wall of one side of the analyzer, one end of an air compressing bag (3) is clamped on the inner wall of the fixing frame (16), a pressing frame (15) is clamped on the other end of the air compressing bag (3), a guide rod (4) is arranged on the outer wall of one side of the fixing frame (16), and the guide rod (4) is connected to the inner wall of the pressing frame (15) in a sliding mode;
the bottom of the collection tank (2) is connected with a gas storage bag (8) through a connecting pipe (17); a positioning seat (22) which is matched with the gas storage bag (8) is fixed on the inner wall of one side of the analyzer (1);
the analyzer comprises an analyzer (1), and is characterized in that a supporting seat (24) is fixed on one side inner wall of the analyzer (1), a sliding seat (23) is slidably connected on the inner wall of the supporting seat (24), a third spring is arranged between the sliding seat (23) and the supporting seat (24), an inserting rod (31) is slidably connected on one end inner wall of the sliding seat (23), an elastic buckle (21) is arranged at one end of the inserting rod (31), and a collection tank (2) is detachably clamped in the elastic buckle (21).
2. The intelligent multi-component gas collection and analysis device according to claim 1, wherein a sealing ring (27) is embedded in the inner wall of one side of the collection tank (2), and a sealing rubber sleeve (25) is adhered to the inner wall of the top of the collection tank (2).
3. The intelligent multi-component gas collection and analysis device according to claim 2, wherein the outer wall of one side of the gas inlet joint of the collection tank (2) is connected with a sealing cover (7) through a connecting rope (18), and the sealing cover (7) is detachably arranged on the outer wall of the gas inlet joint through threads.
4. The intelligent multi-component gas collection and analysis device according to claim 3, wherein an arc-shaped slot (26) is formed in the outer wall of one side of the collection tank (2), a tag plate (19) is detachably inserted into the arc-shaped slot (26), and the tag plate (19) is of an arc-shaped structure matched with the collection tank (2).
5. The intelligent multi-component gas collection and analysis device according to claim 4, wherein an adaptive magnetic block (30) is adhered to the inner wall of one side of the sliding seat (23) and the inner wall of one end of the inserted link (31).
6. The intelligent multi-component gas collection and analysis device according to claim 5, wherein fixed buckles (12) distributed at equal intervals are fixed on the inner wall of one side of the analyzer (1), the fixed buckles (12) are matched with the collection tank (2) in size, a baffle (11) is inserted into the inner wall of one side of the analyzer (1), and the baffle (11) and the fixed buckles (12) are distributed in a staggered mode; the side wall of the analyzer (1) is hinged with a side door (10) through a hinge.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111239896.5A CN114705631B (en) | 2021-10-25 | 2021-10-25 | Intelligent multi-component gas collection and analysis device |
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| CN202111239896.5A CN114705631B (en) | 2021-10-25 | 2021-10-25 | Intelligent multi-component gas collection and analysis device |
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| CN210384739U (en) * | 2019-07-02 | 2020-04-24 | 大理大学第一附属医院 | Special rehabilitation and nursing device for department of respiration |
| CN211383272U (en) * | 2019-12-26 | 2020-09-01 | 李云荣 | Clinical respirator of using of severe medical science |
| CN212807766U (en) * | 2020-06-24 | 2021-03-26 | 云南中检测试科技有限公司 | Portable gas, dust and smoke dust sampling instrument calibration device |
| CN213102034U (en) * | 2020-08-05 | 2021-05-04 | 云浮市未来环保科技有限公司 | Complex acid reaction device |
| CN112050084A (en) * | 2020-08-14 | 2020-12-08 | 广东冠电科技股份有限公司 | Gas collection and sampling device |
| CN213884621U (en) * | 2020-09-25 | 2021-08-06 | 黄道超 | Multifunctional respirator for emergency treatment |
| CN213933899U (en) * | 2020-11-26 | 2021-08-10 | 青岛崂应海纳光电环保集团有限公司 | Constant-temperature sample introduction pretreatment device |
| CN113144311A (en) * | 2021-05-12 | 2021-07-23 | 李�瑞 | Sputum suction and drug administration integrated device for department of respiration and use method thereof |
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