CN221007404U - High HF concentration analyzer - Google Patents
High HF concentration analyzer Download PDFInfo
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- CN221007404U CN221007404U CN202323095548.2U CN202323095548U CN221007404U CN 221007404 U CN221007404 U CN 221007404U CN 202323095548 U CN202323095548 U CN 202323095548U CN 221007404 U CN221007404 U CN 221007404U
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- hydrogen fluoride
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- 239000007789 gas Substances 0.000 claims abstract description 88
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 39
- 229910000040 hydrogen fluoride Inorganic materials 0.000 claims abstract description 39
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 238000005070 sampling Methods 0.000 claims abstract description 10
- 230000001276 controlling effect Effects 0.000 claims abstract description 4
- 238000012545 processing Methods 0.000 claims abstract description 4
- 230000001105 regulatory effect Effects 0.000 claims abstract description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 20
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims description 20
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 20
- 238000004891 communication Methods 0.000 claims description 4
- 230000007547 defect Effects 0.000 abstract description 4
- 238000004458 analytical method Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 7
- 238000011161 development Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000002269 spontaneous effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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Abstract
The high HF concentration analyzer comprises an analyzer shell, and further comprises a gas acquisition component, a sensing detection component and a main control component which are arranged in the analyzer shell, wherein the gas acquisition component comprises a proportional valve, a gas mixing chamber and a sampling pump which are sequentially communicated in the gas inlet and outlet direction, and the gas inlet end of the proportional valve comprises a sample gas port and an air port; the sensing detection assembly comprises an electrochemical hydrogen fluoride sensor and is used for detecting the concentration of hydrogen fluoride gas in the environment; the main control component is respectively connected with the sensing detection component and the gas acquisition component and is used for regulating and controlling the operation of the gas acquisition component, processing the detected concentration of the hydrogen fluoride gas and outputting a concentration result which can be used for reference or early warning. The utility model solves the problems of limited use field and difficult popularization and application caused by the defects of large volume, high price, difficult maintenance and the like of the existing analysis instrument.
Description
Technical Field
The utility model relates to a gas concentration analyzer, in particular to a high HF concentration analyzer, and belongs to the technical field of environmental monitoring.
Background
The gas analysis instrument is a digital gas distribution system controlled by a microprocessor, and is suitable for factories, laboratories, scientific research institutions and the like. The concentration measurement of the gases such as hydrogen fluoride, hydrogen chloride and the like is carried out by adopting a gas analyzer, and the method has the characteristics of high measurement precision, high reliability, quick response time, wide application range and the like; one of the application scenarios is that hydrogen fluoride (chemical formula HF) gas is released after spontaneous combustion occurs under the condition that a battery is short-circuited and the like, and disaster is prevented and controlled in time according to the concentration of the hydrogen fluoride gas released by the battery.
At present, the existing analyzer equipment for monitoring high-concentration hydrogen fluoride emission is mainly monitored by adopting an infrared or ultraviolet light sensor, and the analyzer equipment realized based on the optical sensor has the defects of large volume, high price, difficult maintenance and the like, so that the analyzer equipment is difficult to popularize and use for users due to all limitations of the use field.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides the high HF concentration analyzer which can solve the problems of limited application field and difficult popularization and application caused by the defects of large volume, high price, difficult maintenance and the like of the existing analysis instrument.
The technical scheme adopted for solving the technical problems is as follows:
The high HF concentration analyzer comprises an analyzer shell, a gas acquisition component, a sensing and detecting component and a main control component which are arranged in the analyzer shell,
The gas collection assembly comprises a proportional valve, a gas mixing chamber and a sampling pump which are sequentially communicated in the gas inlet and outlet direction, and the gas inlet end of the proportional valve comprises a sample gas port and an air port;
The sensing detection assembly comprises an electrochemical hydrogen fluoride sensor and is used for detecting the concentration of hydrogen fluoride gas in the environment;
The main control component is respectively connected with the sensing detection component and the gas acquisition component and is used for regulating and controlling the operation of the gas acquisition component, processing the detected concentration of the hydrogen fluoride gas and outputting a concentration result which can be used for reference or early warning.
In an optional further development, the sensor detection assembly further comprises an electrochemical hydrogen chloride sensor for detecting the hydrogen chloride gas concentration in the environment.
In an alternative further development, the electrochemical hydrogen chloride sensor and the electrochemical hydrogen fluoride sensor each use a low-range electrochemical sensor of 0-100ppm for measuring hydrogen fluoride/hydrogen chloride gas in the concentration range of 0-10000 ppm.
In an optional further improvement scheme, the main control assembly comprises a main control board and a detection circuit board which are connected, and the detection circuit board is connected with the sensing detection assembly to obtain the concentration data of the hydrogen fluoride/hydrogen chloride gas in a matching way.
In an optional further improvement, a 485 interface is arranged on the main control board and is used for remotely communicating with the mobile terminal in a 4G mode.
In an optional further improvement scheme, the analyzer casing includes portable box and sets up operating panel in the portable box, portable box is including the first box and the second box that can open and shut relatively and lock, operating panel fixed connection is in the orientation of second box the port department of first box, gas acquisition subassembly, sensing detection subassembly and main control subassembly are installed operating panel with in the sealed cavity that the second box encloses and establishes, be equipped with sample inlet, appearance mouth, switch, power lamp and display screen on the operating panel, the sample inlet butt joint gas acquisition subassembly, switch, power lamp and display screen butt joint respectively the main control subassembly.
In an optional further improvement, one end between the first box body and the second box body is hinged together through a first connecting part, the opposite end is detachably fixed together through a second connecting part, and a handle part is further arranged outside the first box body and/or the second box body.
Compared with the prior art, the high HF concentration analyzer provided by the utility model has the following technical advantages that at least the following technical advantages can be realized by the technical scheme:
According to the high HF concentration analyzer, the sensing detection component is arranged as the electrochemical hydrogen fluoride sensor, and the gas acquisition component consisting of the proportional valve, the gas mixing chamber and the sampling pump is combined, so that the high HF concentration analyzer can detect high concentration HF gas, and has the advantages of small volume, low price, easiness in installation, convenience in monitoring, convenience in carrying and the like compared with an optical sensor.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of a high HF concentration analyzer according to one embodiment of the present utility model.
The meaning of the reference signs in the figures indicates:
1-an analyzer housing; 11-a portable case; 12-an operation panel;
2-a gas collection assembly; 21-a proportional valve; 211-sample gas port; 212-air ports; 22-a gas mixing chamber; 23-sampling pump; 231-air inlet; 232-outlet; 241-first line, 242-second line;
3-a sensing detection assembly; 31-an electrochemical hydrogen fluoride sensor; a 32-electrochemical hydrogen chloride sensor;
4-a master control assembly; 41-a main control board; 42-detecting a circuit board;
5-cell assembly.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present 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 the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and include, for example, either fixedly attached, detachably attached, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; 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 the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the above description, descriptions of the terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The analyzer device for monitoring high concentration hydrogen fluoride emission in the related art is large in size, high in price and difficult to maintain due to the fact that the analyzer device is realized by an infrared or ultraviolet light sensor when concentration analysis is carried out on hydrogen fluoride gas released after spontaneous combustion phenomenon occurs under the condition that a battery is short-circuited, and the like, and the analyzer device is limited in use place and popularization and use range.
In view of this, this embodiment provides a high HF concentration analyzer, when in specific use, mainly utilize the gas collection subassembly 2 and the main control subassembly 4 to realize the automatic collection of target gas, through setting up proportional valve 21 in the front end of sampling pump 23, be used for by the gaseous collection proportion of the target high concentration gas that detects of sensing detection subassembly 3, can be first through the control of proportional valve 21, the sample gas and the air of setting up the proportion get into the gas mixing chamber 22, the gas after mixing is as the gaseous diffusion of sampling pump 23 in analyzer casing 1 and is used for sensing detection subassembly 3, finally main control subassembly 4 obtains current actual gas concentration according to the testing result and combines the proportional coefficient that actually sets up, and then can judge the gaseous concentration of hydrogen fluoride that the battery spontaneous combustion releases based on this gas concentration, can in time accurate prevention and control the emergence of calamities.
The high HF concentration analyzer provided by the embodiments of the present utility model will be described in detail with reference to specific examples.
Fig. 1 is a schematic diagram of the internal structure of a high HF concentration analyzer according to an embodiment of the present utility model, in which only a portion of the analyzer housing 1, i.e., only a portion of the second case is shown, and electrical connections between the components are omitted, which can be understood by those skilled in the art based on common general knowledge.
Referring to fig. 1, an embodiment of the present utility model provides a high HF concentration analyzer, comprising an analyzer housing 1, a gas collecting assembly 2, a sensing assembly 3 and a main control assembly 4 disposed inside the analyzer housing 1,
The gas collection assembly 2 comprises a proportional valve 21, a gas mixing chamber 22 and a sampling pump 23 which are sequentially communicated in the gas inlet and outlet direction, and the gas inlet end of the proportional valve 21 comprises a sample gas port 211 and an air port 212; specifically, the air outlet end of the proportional valve 21 is communicated with the air inlet end of the air mixing chamber 22 through a first pipeline 241, the air outlet end of the air mixing chamber 22 is communicated with the air inlet 231 of the sampling pump 23 through a second pipeline 242, and the air outlet 232 of the sampling pump 23 is used for providing the gas to be detected for butt joint of the sensing detection assembly 3;
The sensing and detecting assembly 3 comprises an electrochemical hydrogen fluoride sensor 31 for detecting the concentration of hydrogen fluoride gas in the environment;
The main control component 4 is respectively connected with the sensing detection component 3 and the gas acquisition component, and is used for regulating and controlling the operation of the gas acquisition component, processing the detected concentration of the hydrogen fluoride gas and outputting a concentration result which can be used for reference or early warning.
In an alternative implementation of the further development of the present example, the sensing assembly 3 further comprises an electrochemical hydrogen chloride sensor 32 for detecting the hydrogen chloride gas concentration in the environment.
The high HF concentration analyzer of the present embodiment can monitor not only the concentration of hydrogen fluoride gas with the electrochemical hydrogen fluoride sensor 31, but also the harmful gas hydrogen chloride gas present in the environment with the electrochemical hydrogen chloride sensor 32. More specifically, when the electrochemical hydrogen fluoride sensor 31 and the electrochemical hydrogen fluoride sensor 31 are simultaneously arranged, the electrochemical hydrogen fluoride sensor 31 and the electrochemical hydrogen fluoride sensor can be integrated under the same module to form a common air inlet and outlet port, which is more beneficial to the miniaturization and the weight reduction of products. Because the electrochemical sensor is selected as the sensing detection component 3 in the embodiment, compared with the traditional infrared or ultraviolet light sensor, the volume of the product is greatly reduced, so that the problem of limitation of the use environment is optimized, and the use position range of the product is enlarged.
In an alternative implementation of the further development of the present example, the electrochemical hydrogen chloride sensor 32 and the electrochemical hydrogen fluoride sensor 31 each employ a low-range electrochemical sensor of 0-100ppm for measuring hydrogen fluoride/hydrogen chloride gas in the concentration range of 0-10000 ppm.
In the aspect of price optimization, the electrochemical sensor is low in price, convenient to maintain and easy to replace compared with an infrared or ultraviolet light sensor. Further, in terms of optimizing the measurement range, the embodiment of the utility model preferably adopts a low-range electrochemical sensor (namely, the range is 0-100 ppm), mainly uses the proportional valve 21 to control and collect the parts of the high-concentration gas, and then mixes the high-concentration gas with air to measure the actual concentration. The electrochemical sensor further completes concentration detection by chemically reacting with the detected gas and generating an electric signal proportional to the gas concentration, thus realizing the actual concentration measurement of the high-concentration hydrogen fluoride gas by using the low-range electrochemical hydrogen fluoride sensor 31 and solving the technical problem that no wide-range electrochemical sensor exists in the actual prior art. In the material selection of the low-range electrochemical sensor, an original imported sensor of the Honiweil first-line sensor brand British urban electronic (CITY) can be specifically adopted.
In an alternative implementation manner of a further improvement of the present embodiment, the main control assembly 4 includes a main control board 41 and a detection circuit board 42 that are connected, and the detection circuit board 42 is connected to the sensing detection assembly 3 to obtain the concentration data of the hydrogen fluoride/hydrogen chloride gas.
In an alternative implementation manner of a further improvement of the present embodiment, the main control board 41 is provided with a 485 interface for remote communication with the mobile terminal in a 4G manner.
The device is also integrated inside. Hydrogen fluoride and hydrogen chloride are both toxic and harmful gases, and when inhaled excessively by people, they can cause death of the people. The 485 interface described by the embodiment of the utility model can realize remote 4G signal data transmission, so that a user can watch and monitor the concentration in real time at a long distance, and after the concentration is reduced to a certain level, personnel enter the field again for inspection, and the safety is further improved.
In an alternative implementation manner of a further improvement of this embodiment, the analyzer housing 1 includes a portable housing 11 and an operation panel 12 disposed in the portable housing 11, the portable housing 11 includes a first housing and a second housing that can be opened and closed relatively and locked, the operation panel 12 is fixedly connected to the inside and outside of the analyzer housing 1, which faces the port of the first housing, the gas collecting assembly 2, the sensing detecting assembly 3 and the main control assembly 4 are mounted in a closed cavity formed by enclosing the operation panel 12 and the second housing, the operation panel 12 is provided with a sample inlet, a sample outlet, a switch, a power lamp and a display screen, the sample inlet is abutted to the gas collecting assembly 2, and specifically, the sample inlet is led into the inside and outside of the analyzer housing 1 by the sample inlet to reach the gas after the gas is discharged to the outside, the switch, the power lamp and the display screen are respectively abutted to the main control assembly 4, so as to realize the necessary power supply and the necessary values are provided for the power supply and the power supply components or the display components 5.
In a further improved optional implementation manner of this embodiment, one end between the first box body and the second box body is hinged together through a first connecting portion, the opposite other end is detachably fixed together through a second connecting portion, and a handle portion is further arranged outside the first box body and/or the second box body.
In the aspect of optimizing the use environment, the use environment of the existing related equipment needs to be fixed at a special position, so that the concentration is inconvenient to monitor in real time. However, the analyzer housing 1 described in the embodiment of the present utility model has the portable case 11, and can be carried by a hand-carrying portion, so that the analyzer housing is not limited by a use environment, is easy to install, and is convenient to use in any environment and any place.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (7)
1. The high HF concentration analyzer comprises an analyzer shell, and is characterized by also comprising a gas acquisition component, a sensing and detecting component and a main control component which are arranged in the analyzer shell,
The gas collection assembly comprises a proportional valve, a gas mixing chamber and a sampling pump which are sequentially communicated in the gas inlet and outlet direction, and the gas inlet end of the proportional valve comprises a sample gas port and an air port;
The sensing detection assembly comprises an electrochemical hydrogen fluoride sensor and is used for detecting the concentration of hydrogen fluoride gas in the environment;
The main control component is respectively connected with the sensing detection component and the gas acquisition component and is used for regulating and controlling the operation of the gas acquisition component, processing the detected concentration of the hydrogen fluoride gas and outputting a concentration result which can be used for reference or early warning.
2. The high HF concentration analyzer of claim 1, wherein the sensing assembly further comprises an electrochemical hydrogen chloride sensor for detecting the concentration of hydrogen chloride gas in the environment.
3. The high HF concentration analyzer of claim 2, wherein the electrochemical hydrogen chloride sensor and the electrochemical hydrogen fluoride sensor each employ a low range electrochemical sensor of 0-100ppm for measuring hydrogen fluoride/hydrogen chloride gas at a concentration range of 0-10000 ppm.
4. A high HF concentration analyzer according to claim 1, 2 or 3, wherein the main control assembly comprises a main control board and a detection circuit board connected to each other, and the detection circuit board is connected to the sensing detection assembly to obtain the concentration data of the hydrogen fluoride/hydrogen chloride gas.
5. The high HF concentration analyzer of claim 4, wherein the main control board is provided with a 485 interface for remote communication with the mobile terminal by 4G.
6. The high-HF concentration analyzer according to claim 1, 2 or 3, wherein the analyzer housing comprises a portable case and an operation panel disposed in the portable case, the portable case comprises a first case and a second case which can be opened and closed relatively, the operation panel is fixedly connected to a port of the second case facing the first case, the gas collection assembly, the sensing assembly and the main control assembly are mounted in a closed chamber formed by enclosing the operation panel and the second case, the operation panel is provided with a sample inlet, a sample outlet, a switch, a power lamp and a display screen, the sample inlet is abutted to the gas collection assembly, and the switch, the power lamp and the display screen are respectively abutted to the main control assembly.
7. The high HF concentration analyzer of claim 6, wherein one end of the first housing and the second housing are hinged together by a first connection, and the opposite end is detachably secured together by a second connection, and wherein the first housing and/or the second housing are further provided with a handle portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323095548.2U CN221007404U (en) | 2023-11-16 | 2023-11-16 | High HF concentration analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323095548.2U CN221007404U (en) | 2023-11-16 | 2023-11-16 | High HF concentration analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221007404U true CN221007404U (en) | 2024-05-24 |
Family
ID=91117501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323095548.2U Active CN221007404U (en) | 2023-11-16 | 2023-11-16 | High HF concentration analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221007404U (en) |
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2023
- 2023-11-16 CN CN202323095548.2U patent/CN221007404U/en active Active
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