CN215876912U - Closed space hydrogen concentration monitoring and adjusting device - Google Patents
Closed space hydrogen concentration monitoring and adjusting device Download PDFInfo
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- CN215876912U CN215876912U CN202122219433.4U CN202122219433U CN215876912U CN 215876912 U CN215876912 U CN 215876912U CN 202122219433 U CN202122219433 U CN 202122219433U CN 215876912 U CN215876912 U CN 215876912U
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Abstract
The utility model relates to a closed space hydrogen concentration monitoring and adjusting device, which belongs to the field of gas concentration monitoring and automatic adjustment and comprises a hydrogen production device and a hydrogen concentration detection device, the air inlet of PID module and PLC controller hydrogen concentration detection device is connected through the first opening of first pipeline and confined space, the gas outlet of hydrogen concentration detection device is connected through the second pipeline and the second opening of confined space, hydrogen manufacturing installation's hydrogen outlet is connected through the third pipeline and the third opening of confined space hydrogen concentration detection device, PID module and hydrogen manufacturing installation respectively with PLC controller electric connection, the hydrogen concentration that the PID module detected according to hydrogen concentration detection device converts the voltage control value into and feeds back to the PLC controller, the PLC controller produces hydrogen with the brineelectrolysis according to voltage control value control hydrogen manufacturing installation's output current and supplements to the confined space. The utility model can solve the problems of monitoring and automatically adjusting the hydrogen concentration in the closed space.
Description
Technical Field
The utility model relates to the field of gas concentration monitoring and automatic adjustment, in particular to a device for monitoring and adjusting the concentration of hydrogen in a closed space.
Background
In recent years, the related art has demonstrated that hydrogen can treat malignant melanoma in animals, and proposed a theory that hydrogen can directly neutralize hydroxyl radicals. Since then, hydrogen biology draws the attention of scientists in the world, and gradually forms a hot tide for studying hydrogen biology, and a hydrogen sealing environment is one of the more studied fields. Recent further research on this aspect at home and abroad proves that hydrogen has a significant effect in preventing and treating adult diseases such as cancer or diabetes. Through clinical verification and tracking of 10 years by the most authoritative Japan, the hydrogen is definitely confirmed to have medical prevention effect on human bodies, can react with hydroxyl free radicals, is a selective antioxidant substance, has prevention and treatment effects on a plurality of diseases, and has wide application prospect.
Currently, in hydrogen applications, if vegetables are kept fresh and medical and health applications, a sealed environment is required for the continuous action of the vegetables and the treated persons. The hydrogen is used as a flammable and explosive gas, the explosion limit exists in the atmosphere, and the explosion limit of the hydrogen is 4.0-75.6%, which means that when the hydrogen is mixed with the air, the volume of the hydrogen is in the above range and the hydrogen is exploded when meeting fire. The hydrogen content is too high or too low, and the explosion is avoided. Therefore, in order to better use hydrogen for popularization and application, the problems of monitoring and automatic adjustment of the hydrogen concentration in the closed space need to be solved.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a device for monitoring and adjusting the hydrogen concentration of the closed space, and solve the problems of monitoring and automatically adjusting the hydrogen concentration of the closed space.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a closed space hydrogen concentration monitoring and adjusting device which comprises a hydrogen production device, a hydrogen concentration detection device, a PID module and a PLC controller, wherein an air inlet of the hydrogen concentration detection device is connected with a first opening of a closed space through a first pipeline, an air outlet of the hydrogen concentration detection device is connected with a second opening of the closed space through a second pipeline, a hydrogen outlet of the hydrogen production device is connected with the hydrogen concentration detection device through a third pipeline and a third opening of the closed space, the PID module and the hydrogen production device are respectively electrically connected with the PLC controller, the PID module converts a voltage control value according to the hydrogen concentration detected by the hydrogen concentration detection device and feeds the voltage control value back to the PLC controller, and the PLC controller controls the output current of the hydrogen production device according to the voltage control value so as to electrolyze water to produce hydrogen to supplement the hydrogen into the closed space.
The utility model has the preferable technical scheme that a TDS detector for detecting a TDS value of water quality and a water level detector for detecting a water level are arranged in the hydrogen production device, and the TDS detector and the water level detector are respectively and electrically connected with the PLC.
The utility model has the preferable technical scheme that the utility model also comprises a first circulating fan and a second circulating fan, wherein the first circulating fan is positioned above the closed space, the second circulating fan is positioned below the closed space, and the first circulating fan and the second circulating fan are oppositely arranged; the first circulating fan and the second circulating fan are controlled to work through the PLC respectively.
The utility model preferably adopts the technical scheme that the air conditioner also comprises an alarm and an air inlet of an exhaust device of the exhaust device, which are connected with a fourth opening of the closed space through a fourth pipeline, an air outlet of the exhaust device is externally connected with an external atmosphere alarm and the exhaust device, which are respectively and electrically connected with the PLC controller, and the alarm and the exhaust device respectively respond after detecting the abnormality according to the PLC controller.
The utility model preferably adopts the technical scheme that the PLC intelligent control system comprises a display device, and the display device is electrically connected with the PLC.
The utility model has the beneficial effects that:
the utility model adopts the closed space hydrogen concentration monitoring and adjusting device, detects the hydrogen concentration by detecting the closed space, and converts the hydrogen concentration into the electric signal to regulate and control the gas quantity generated by the hydrogen production device, and the hydrogen pipe does not need to be stored in the process, thereby having the advantages of safety, energy saving and space saving, meeting the use demand only by adding water periodically by a user, being beneficial to popularization and application in various fields needing fine closed space, better meeting the requirements of environmental protection and market, and having great significance for occupying the use market of the hydrogen in the closed space.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a closed space hydrogen concentration monitoring and adjusting device of the present invention.
In the figure:
1. a hydrogen production unit; 2. a hydrogen concentration detection device; 3. a PID module; 4. a PLC controller; 51. a first fan; 52. a second fan; 6. an alarm; 7. an exhaust device; 8. a display device.
Detailed Description
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
Referring to fig. 1, the hydrogen concentration monitoring and adjusting device for a closed space provided in this embodiment includes a hydrogen production device 1 and a hydrogen concentration detection device 2, PID module 3 and PLC controller 4, the air inlet of hydrogen concentration detection device 2 is connected through the first opening of first pipeline and confined space, the gas outlet of hydrogen concentration detection device 2 is connected through the second opening of second pipeline and confined space, the hydrogen outlet of hydrogen plant 1 is connected through the third opening of third pipeline and confined space, hydrogen concentration detection device 2, PID module 3 and hydrogen plant 1 respectively with PLC controller 4 electric connection, PID module 3 converts the voltage control value and feeds back to PLC controller 4 according to the hydrogen concentration that hydrogen concentration detection device 2 detected, PLC controller 4 controls the output current of hydrogen plant 1 according to the voltage control value and supplements to the confined space with the brineelectrolysis hydrogen.
The hydrogen concentration monitoring and adjusting device for the closed space is different from a traditional system for controlling hydrogen concentration by using a valve, a hydrogen pipe does not need to be stored in the process, the hydrogen concentration monitoring and adjusting device has the advantages of safety, energy conservation and space saving, the use requirement can be met by only needing a user to regularly add water, and the hydrogen concentration monitoring and adjusting device is favorable for popularization and application in various fields needing small closed spaces.
Preferably, be equipped with the TDS detector that is used for detecting quality of water TDS value and the water level detection appearance that is used for detecting the water level in hydrogen plant 1, TDS detector and water level detection appearance respectively with PLC controller 4 electric connection. By monitoring the water level in the tank, dry fire conditions are prevented from occurring, causing a risk of local excess temperatures, and TDS is the total amount of dissolved solids measured in milligrams per liter (mg/L) and indicates how many milligrams of dissolved solids are dissolved in 1 liter of water. The TDS value is higher, and it is more to show that the impurity that contains in the aquatic is more, explains to the electrolytic process more unfavorable, maintains the quality that lower can ensure hydrogen production, in order to guarantee hydrogen plant smooth operation, just detect the water level and the quality of water TDS of water tank before need starting, ensures safety, specifically, the numerical value of quality of water TDS should be less than 15 mg/L.
The convection arrangement of the double fans is favorable for promoting the even dispersion of indoor gas, so that the sampling is representative, and the gas composition in the closed space is reflected more accurately. Preferably, the system further comprises a first circulating fan 51 and a second circulating fan 52, wherein the first circulating fan 51 is positioned above the closed space, the second circulating fan 52 is positioned below the closed space, and the first circulating fan 51 and the second circulating fan 52 are arranged oppositely; the first circulating fan 51 and the second circulating fan 52 are controlled to work by the PLC 4 respectively, and the control circuit 4 controls the wind power of the second circulating fan 52 according to the detected concentration stability.
In order to detect the hydrogen concentration of department and exceed the threshold value of setting for, the alarm is reminded the external world immediately to open exhaust apparatus exhaust gas, reduce indoor hydrogen concentration, avoid dangerous. Specifically, still include alarm 6 and exhaust apparatus 7, exhaust apparatus 7's air inlet is connected through the fourth pipeline and the fourth opening in airtight space, and external outside atmosphere in exhaust apparatus 7's gas outlet, alarm 6 and exhaust apparatus 7 respectively with PLC controller 4 electric connection, and alarm 6 and exhaust apparatus 7 respond after detecting out the anomaly according to PLC controller 4 respectively.
In order to facilitate monitoring of indoor working conditions and parameter adjustment by an operator, the intelligent control system preferably comprises a display device 8, wherein the display device 8 is electrically connected with the PLC controller 4, and specifically, the human-computer interface operating system 8 is in communication connection with the control circuit 4 through RS 485.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (5)
1. The utility model provides a confined space hydrogen concentration monitoring adjusting device which characterized in that:
comprises a hydrogen production device (1), a hydrogen concentration detection device (2), a PID module (3) and a PLC (programmable logic controller) (4);
the gas inlet of the hydrogen concentration detection device (2) is connected with the first opening of the closed space through a first pipeline, the gas outlet of the hydrogen concentration detection device (2) is connected with the second opening of the closed space through a second pipeline, and the hydrogen outlet of the hydrogen production device (1) is connected with the third opening of the closed space through a third pipeline;
the hydrogen concentration detection device (2), the PID module (3) and the hydrogen production device (1) are respectively electrically connected with the PLC controller (4), the PID module (3) converts the hydrogen concentration detected by the hydrogen concentration detection device (2) into a voltage control value and feeds the voltage control value back to the PLC controller (4), and the PLC controller (4) controls the output current of the hydrogen production device (1) according to the voltage control value to produce hydrogen by electrolyzing water and supplement the hydrogen into a closed space.
2. The closed space hydrogen concentration monitoring and adjusting device according to claim 1, characterized in that:
be equipped with the TDS detector that is used for detecting quality of water TDS value and the water level detection appearance that is used for detecting the water level in hydrogen plant (1), the TDS detector with the water level detection appearance respectively with PLC controller (4) electric connection.
3. The closed space hydrogen concentration monitoring and adjusting device according to claim 1, characterized in that:
the system also comprises a first circulating fan (51) and a second circulating fan (52);
the first circulating fan (51) is positioned above the closed space, the second circulating fan (52) is positioned below the closed space, and the first circulating fan (51) and the second circulating fan (52) are oppositely arranged; the first circulating fan (51) and the second circulating fan (52) are controlled to work through the PLC (4) respectively.
4. The closed space hydrogen concentration monitoring and adjusting device according to claim 1, characterized in that:
the alarm device also comprises an alarm (6) and an exhaust device (7);
the air inlet of the exhaust device (7) is connected with the fourth opening of the closed space through a fourth pipeline, and the air outlet of the exhaust device (7) is externally connected with the outside atmosphere;
alarm (6) and exhaust apparatus (7) respectively with PLC controller (4) electric connection, alarm (6) and exhaust apparatus (7) are respectively according to response after PLC controller (4) detects out unusually.
5. The closed space hydrogen concentration monitoring and adjusting device according to claim 1, characterized in that:
the display device comprises a display device (8), wherein the display device (8) is electrically connected with the PLC (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122219433.4U CN215876912U (en) | 2021-09-14 | 2021-09-14 | Closed space hydrogen concentration monitoring and adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122219433.4U CN215876912U (en) | 2021-09-14 | 2021-09-14 | Closed space hydrogen concentration monitoring and adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215876912U true CN215876912U (en) | 2022-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122219433.4U Active CN215876912U (en) | 2021-09-14 | 2021-09-14 | Closed space hydrogen concentration monitoring and adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215876912U (en) |
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2021
- 2021-09-14 CN CN202122219433.4U patent/CN215876912U/en active Active
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