CN217082868U - Quick balanced control system of toilet's pressure differential variable working condition - Google Patents
Quick balanced control system of toilet's pressure differential variable working condition Download PDFInfo
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- CN217082868U CN217082868U CN202220829526.0U CN202220829526U CN217082868U CN 217082868 U CN217082868 U CN 217082868U CN 202220829526 U CN202220829526 U CN 202220829526U CN 217082868 U CN217082868 U CN 217082868U
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Abstract
The utility model discloses a clean room pressure difference variable working condition rapid balance control system, which belongs to the technical field of automatic control, and comprises a plurality of clean rooms, wherein a plurality of clean rooms are respectively provided with a constant air volume valve, a clean room pressure sensor and a variable air volume valve; the utility model discloses application automation technology, make the controller can real time monitoring toilet decide air volume valve and variable air volume valve, according to the aperture after keeping track of different operating modes toilet decide air volume valve and variable air volume valve stable, in order to reach the later stage after the start at every turn, can give the controller optimum aperture of memory storage, come to carry out initial positioning to the aperture of toilet decide air volume valve and variable air volume valve, stabilize the regulation based on this aperture again, just so can make toilet's pressure differential fast stabilization, thereby can establish the pressure differential gradient in clean district very fast.
Description
Technical Field
The utility model belongs to the technical field of automated control, concretely relates to quick balanced control system of toilet's pressure differential variable working condition.
Background
With the outbreak of international epidemic situation, the development of the biological medicine industry is faster and faster, the requirements on the clean room environment of production and experiments are higher and higher, wherein the guarantee of the pressure difference gradient of the clean room is one of the key requirements, and for the control of the indoor pressure difference, certain interference can be caused due to more influencing factors, such as air supply quantity, air return quantity and air exhaust quantity, and the infiltration quantity of rooms and rooms or rooms and corridors, and further certain influence is generated on the production and experiment results, so that the system for quickly balancing and controlling the pressure difference variable working conditions of the clean room is necessary.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a quick balanced control system of toilet's pressure differential variable working condition has the characteristics that make toilet's pressure differential quick control balanced.
In order to achieve the above object, the utility model provides a following technical scheme: a pressure difference variable working condition rapid balance control system of a clean room comprises a plurality of clean rooms, wherein a fixed air volume valve, a clean room pressure sensor and a variable air volume valve are assembled on the clean rooms respectively, the fixed air volume valve is assembled on an air inlet section of the clean room, the clean room pressure sensor is assembled at any position of the clean room, the variable air volume valve is assembled on an air exhaust section of the clean room, the fixed air volume valves of adjacent clean rooms are connected into an air inlet pipeline through pipelines, the variable air volume valves of adjacent clean rooms are connected into an air outlet pipeline through pipelines, a plurality of central air conditioner air supply sections are arranged on air supply sides of the clean rooms, one sides, far away from the clean room, of the central air conditioner air supply sections are connected with a fresh air port, a fresh air valve is assembled on the fresh air port, an air inlet end of the fresh air port is connected with a fresh air pipeline, and an air feeder is assembled in the central air conditioner air supply sections, one side that is close to the toilet on the central air conditioning air supply section is connected with the supply-air outlet, the air inlet end and the supply-air outlet of intake stack all the way are connected, the air outlet end of the air outlet pipeline of the same kind is connected with the central air conditioning section of airing exhaust, be equipped with the exhaust valve on the pipeline section between the air outlet pipeline of the same kind and the central air conditioning section of airing exhaust, the central air conditioning section of airing exhaust is equipped with the exhaust outlet, be equipped with the controller on the central air conditioning section of airing exhaust, electric connection between controller and new trend valve, forced draught blower, air ration valve, variable air volume valve, exhaust valve and the exhaust fan, communication connection between controller and fixed air volume valve, toilet pressure sensor and the variable air volume valve.
Preferably, one side of the central air-conditioning air supply section, which is close to the fresh air inlet, is connected with an air return inlet, an air return valve is assembled on the air return inlet, the air return inlet is connected with an air outlet pipeline section between the exhaust pressure sensor and the variable air volume valve through an air return pipeline, and the controller is electrically connected with the air return valve.
Preferably, a pipe section between the air inlet pipeline and the air supply outlet is provided with an air supply pressure sensor, and the controller is in communication connection with the air supply pressure sensor.
Preferably, an exhaust pressure sensor is assembled on one side of the exhaust valve close to the clean room, on a pipe section between the exhaust pipeline of the air outlet pipeline and the exhaust section of the central air conditioner, and the controller is in communication connection with the exhaust pressure sensor.
Preferably, the controller is provided with a first wireless communication module, and the air supply pressure sensor, the constant air volume valve, the clean room pressure sensor, the variable air volume valve and the air exhaust pressure sensor are provided with a second wireless communication module to realize the purpose of communication.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses application automation technology, make the controller can real time monitoring toilet decide air volume valve and variable air volume valve, according to the aperture after keeping track of different operating modes toilet decide air volume valve and variable air volume valve stable, in order to reach the later stage after the start at every turn, can give the controller optimum aperture of memory storage, come to carry out initial positioning to the aperture of toilet decide air volume valve and variable air volume valve, stabilize the regulation based on this aperture again, just so can make toilet's pressure differential fast stabilization, thereby can establish the pressure differential gradient in clean district very fast.
Drawings
FIG. 1 is a schematic structural view of the pressure difference variable working condition rapid balance control system of the clean room of the present invention;
FIG. 2 is a block diagram of the pressure difference variable working condition fast balance control system of the clean room of the utility model;
in the figure: 1. a central air-conditioning air supply section; 2. a fresh air port; 3. a fresh air valve; 4. an air return opening; 5. a return air valve; 6. a blower; 7. an air supply pressure sensor; 8. an air supply outlet; 9. a fixed air volume valve; 10. a clean room pressure sensor; 11. a clean room; 12. a variable air volume valve; 13. an exhaust pressure sensor; 14. an exhaust valve; 15. an air exhaust section of the central air conditioner; 16. an exhaust fan; 17. an air outlet; 18. and a controller.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides the following technical solutions: a pressure difference variable working condition rapid balance control system of a clean room comprises a plurality of clean rooms 11, wherein a fixed air quantity valve 9, a clean room pressure sensor 10 and a variable air quantity valve 12 are respectively assembled on the clean rooms 11, the fixed air quantity valve 9 is assembled on an air inlet section of the clean room 11, the clean room pressure sensor 10 is assembled at any position of the clean room 11, the variable air quantity valve 12 is assembled on an air outlet section of the clean room 11, the fixed air quantity valves 9 of adjacent clean rooms 11 are connected into an air inlet pipeline through pipelines, the variable air quantity valves 12 of adjacent clean rooms 11 are connected into an air outlet pipeline through pipelines, a central air-conditioning air supply section 1 is arranged on the air supply side of the clean rooms 11, a new air port 2 is connected to one side, far away from the clean room 11, of the central air-conditioning air supply section 1, a new air valve 3 is assembled on the new air port 2, a new air pipeline is connected to the air inlet end of the new air port 2, a blower 6 is assembled in the central air-conditioning air supply section 1, one side of the central air-conditioning air supply section 1 close to the clean room 11 is connected with an air supply outlet 8, the air inlet end of one air inlet pipeline is connected with the air supply outlet 8, the air outlet end of one air outlet pipeline is connected with a central air-conditioning air exhaust section 15, the pipeline section between the one air outlet pipeline and the central air-conditioning air exhaust section 15 is provided with an exhaust valve 14, an exhaust fan 16 is arranged in the central air-conditioning air exhaust section 15, the air exhaust section of the central air-conditioning air exhaust section 15 is connected with an exhaust outlet 17, the central air-conditioning air exhaust section 15 is provided with a controller 18, the controller 18 is electrically connected with the fresh air valve 3, the air feeder 6, the constant air volume valve 9, the variable air volume valve 12, the exhaust valve 14 and the exhaust fan 16, and the controller 18 is in communication connection with the constant air volume valve 9, the clean room pressure sensor 10 and the variable air volume valve 12.
Specifically, one side of the central air-conditioning air supply section 1, which is close to the fresh air inlet 2, is connected with an air return inlet 4, the air return inlet 4 is provided with an air return valve 5, the air return inlet 4 is connected with an air outlet pipeline section between the exhaust air pressure sensor 13 and the variable air volume valve 12 through an air return pipeline, and the controller 18 is electrically connected with the air return valve 5.
Specifically, a pipe section between one air inlet pipeline and the air supply outlet 8 is provided with an air supply pressure sensor 7, and the controller 18 is in communication connection with the air supply pressure sensor 7.
Specifically, an exhaust pressure sensor 13 is mounted on a pipe section between one of the exhaust pipelines and the central air conditioning exhaust section 15 and on one side of the exhaust valve 14 close to the clean room 11, and the controller 18 is in communication connection with the exhaust pressure sensor 13.
Specifically, the controller 18 is equipped with a first wireless communication module, and the air supply pressure sensor 7, the constant air volume valve 9, the clean room pressure sensor 10, the variable air volume valve 12 and the exhaust air pressure sensor 13 are equipped with a second wireless communication module, so as to achieve the purpose of communication.
The utility model discloses a concrete implementation does:
the controller 18 drives and opens the fresh air valve 3, the return air valve 5 and the exhaust air valve 14 through a relay control mode according to working conditions, then drives and starts the blower 6 and the exhaust fan 16 in sequence through a relay control mode according to the working conditions, the controller 18 drives and adjusts the frequency of the blower 6 through the relay control mode according to the blowing pressure collected by the blowing pressure sensor 7 so as to stabilize the blowing pressure, drives and adjusts the frequency of the exhaust fan 16 through the relay control mode according to the exhaust pressure collected by the exhaust pressure sensor 13 so as to stabilize the exhaust pressure, then drives and adjusts the opening degree of the variable air volume valve 12 through the relay control mode according to the room pressure collected by the clean room pressure sensor 10 so as to stabilize the room pressure, the controller 18 memorizes and stores the optimal opening degrees of the constant air volume valve 9 and the variable air volume valve 12 under different working conditions of the clean room 11, and the clean room 11 is under a certain working condition, the controller 18 drives the constant air volume valve 9 and the variable air volume valve 12 of the clean room 11 to perform initial positioning and adjustment in a relay control mode according to the memory, so that the pressure difference of each clean room 11 can be rapidly stabilized, and the pressure difference gradient of each clean room 11 can be rapidly established.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a quick balanced control system of clean room pressure differential variable working condition, includes a plurality of clean rooms (11), its characterized in that: a plurality of clean rooms (11) are respectively provided with a constant air volume valve (9), a clean room pressure sensor (10) and a variable air volume valve (12), the constant air volume valve (9) is arranged in an air inlet section of the clean room (11), the clean room pressure sensor (10) is arranged at any position of the clean room (11), the variable air volume valve (12) is arranged in an air outlet section of the clean room (11), the constant air volume valves (9) of adjacent clean rooms (11) are connected into an air inlet pipeline through pipelines, the variable air volume valves (12) of adjacent clean rooms (11) are connected into an air outlet pipeline through pipelines, a plurality of air supply sides of the clean rooms (11) are provided with a central air conditioner air supply section (1), one side of the central air conditioner air supply section (1) far away from the clean room (11) is connected with a new air port (2), and the new air port (3) is arranged on the new air port (2), the air conditioner is characterized in that an air feeder (6) is assembled in the central air conditioner air supply section (1), one side, close to a clean room (11), of the central air conditioner air supply section (1) is connected with an air supply opening (8), an air inlet end of an air inlet pipeline is connected with the air supply opening (8), an air outlet end of the air outlet pipeline is connected with a central air conditioner air exhaust section (15), an exhaust valve (14) is assembled on a pipe section between the air outlet pipeline and the central air conditioner air exhaust section (15), an exhaust fan (16) is assembled in the central air conditioner air exhaust section (15), the air exhaust section of the central air conditioner air exhaust section (15) is connected with an exhaust opening (17), a controller (18) is assembled on the central air conditioner air exhaust section (15), and the controller (18) is electrically connected with a fresh air valve (3), the air feeder (6), a fixed air volume valve (9), a variable air volume valve (12), the exhaust valve (14) and the exhaust fan (16), and the controller (18) is in communication connection with the constant air volume valve (9), the clean room pressure sensor (10) and the variable air volume valve (12).
2. The clean room pressure differential working condition rapid balance control system according to claim 1, characterized in that: one side of the central air-conditioning air supply section (1) close to the fresh air inlet (2) is connected with an air return inlet (4), the air return inlet (4) is provided with an air return valve (5), the air return inlet (4) is connected with an air outlet pipeline section between the exhaust air pressure sensor (13) and the variable air volume valve (12) through an air return pipeline, and the controller (18) is electrically connected with the air return valve (5).
3. The clean room pressure differential working condition rapid balance control system according to claim 1, characterized in that: and a pipe section between the air inlet pipeline and the air supply outlet (8) is provided with an air supply pressure sensor (7), and the controller (18) is in communication connection with the air supply pressure sensor (7).
4. The clean room pressure differential working condition rapid balance control system according to claim 3, characterized in that: one side that just is located exhaust valve (14) and is close to clean room (11) on the pipeline section between air-out pipeline and central air conditioning exhaust section (15) all the way is equipped with exhaust pressure sensor (13), communication connection between controller (18) and exhaust pressure sensor (13).
5. The clean room pressure differential working condition rapid balance control system according to claim 4, characterized in that: the controller (18) is provided with a first wireless communication module, and the air supply pressure sensor (7), the constant air volume valve (9), the clean room pressure sensor (10), the variable air volume valve (12) and the exhaust pressure sensor (13) are provided with a second wireless communication module to realize the purpose of communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220829526.0U CN217082868U (en) | 2022-04-11 | 2022-04-11 | Quick balanced control system of toilet's pressure differential variable working condition |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220829526.0U CN217082868U (en) | 2022-04-11 | 2022-04-11 | Quick balanced control system of toilet's pressure differential variable working condition |
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| CN217082868U true CN217082868U (en) | 2022-07-29 |
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| CN202220829526.0U Active CN217082868U (en) | 2022-04-11 | 2022-04-11 | Quick balanced control system of toilet's pressure differential variable working condition |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114777311A (en) * | 2022-04-11 | 2022-07-22 | 南京福加自动化科技有限公司 | Clean room pressure difference variable working condition rapid balance control system and control method |
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2022
- 2022-04-11 CN CN202220829526.0U patent/CN217082868U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114777311A (en) * | 2022-04-11 | 2022-07-22 | 南京福加自动化科技有限公司 | Clean room pressure difference variable working condition rapid balance control system and control method |
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