CN214370840U - Toilet pressure energy-saving control system - Google Patents
Toilet pressure energy-saving control system Download PDFInfo
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- CN214370840U CN214370840U CN202120306903.8U CN202120306903U CN214370840U CN 214370840 U CN214370840 U CN 214370840U CN 202120306903 U CN202120306903 U CN 202120306903U CN 214370840 U CN214370840 U CN 214370840U
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Abstract
The utility model discloses a pressure energy-saving control system for a clean room, which comprises a fresh air system, an air volume adjusting valve, a high-grade filter, a pressure difference sensor, a controller and a mode adjusting module; the air outlet of the fresh air system is connected with an air volume adjusting valve, the air volume adjusting valve is communicated with an air inlet at the upper part of the clean room through an air inlet pipeline, the lower part of the clean room is provided with an air return inlet, the air return inlet is communicated with a high-grade filter through a return fan, and the high-grade filter is communicated with the air inlet pipeline to form an internal circulation loop; the upper portion and the lower part of the clean room are respectively provided with a high-pressure collecting point and a low-pressure collecting point, a high-pressure end and a low-pressure end of the differential pressure sensor are respectively communicated with the high-pressure collecting point and the low-pressure collecting point, the differential pressure sensor transmits detected collected differential pressure information to the controller, the mode adjusting module is connected with the controller, the differential pressure of the clean room is changed according to different requirements, different requirements of the clean room are guaranteed, meanwhile, energy sources are saved, and the resource utilization rate is improved.
Description
Technical Field
The utility model belongs to the technical field of toilet's equipment, concretely relates to toilet's pressure energy-saving control system.
Background
In order to prevent external contaminants from entering the clean room and increase the cleanliness of the room, it is required that the pressure in the room is kept higher than the external pressure, i.e. a certain pressure gradient is required to be kept in the clean room for rooms with different cleannesses, so that the clean room can be effectively prevented from being contaminated by or polluting adjacent rooms under a certain pressure difference.
The clean room design specification specifies that the pressure in the clean room is kept higher than the external pressure, which is called a positive pressure clean room, and vice versa, a negative pressure clean room. Positive and negative pressure are relative terms, one clean room is a positive pressure clean room for the atmosphere, but another room may be a negative pressure clean room, and different grades of clean rooms and pressure difference between a clean area and a non-clean area are not less than 5Pa, and pressure difference between the clean area and the outside is not less than 10 Pa.
However, the existing clean room can only provide quantitative pressure difference when in use, and cannot provide corresponding pressure difference according to different operations or application scenes; the pressure difference value is set according to the highest standard, and energy is wasted due to the pressure difference in a lower mode, so that an energy-saving clean room pressure control system is necessary to be researched.
Disclosure of Invention
Defect and problem to existing equipment existence, the utility model provides a toilet's pressure energy-saving control system, the effectual operation that exists in having solved existing equipment or applied the scene and provide corresponding pressure differential according to the difference, has caused the extravagant problem of the energy.
The utility model provides a scheme that its technical problem adopted is: a pressure energy-saving control system for a clean room comprises a fresh air system, an air volume adjusting valve, a high-grade filter, a pressure difference sensor, a controller and a mode adjusting module; the air outlet of the fresh air system is connected with an air volume adjusting valve, the air volume adjusting valve is communicated with an air inlet at the upper part of the clean room through an air inlet pipeline, the lower part of the clean room is provided with an air return inlet, the air return inlet is communicated with a high-grade filter through a return fan, and the high-grade filter is communicated with the air inlet pipeline to form an internal circulation loop; the upper portion and the lower portion of the clean room are respectively provided with a high-pressure collecting point and a low-pressure collecting point, a high-pressure end and a low-pressure end of the differential pressure sensor are respectively communicated with the high-pressure collecting point and the low-pressure collecting point, the differential pressure sensor transmits detected collected differential pressure information to the controller, the mode adjusting module is connected with the controller, corresponding preset differential pressure information is sent to the controller according to different modes selected by a user, and the controller compares the preset differential pressure information with the collected differential pressure information to form a control signal to adjust the air intake.
Furthermore, the air volume regulating valve receives the control signal and regulates the air intake of the fresh air system.
Furthermore, the air volume regulating valve is a constant air volume valve, the air inlet pipeline is also provided with a regulating valve, the regulating valve is connected with a pressure difference supplementary air source, and the regulating valve receives a control signal to regulate the air inlet volume.
Further, the mode adjusting module is a touch control display screen.
Further, the controller is a PLC controller.
Furthermore, a primary filter is arranged at the air return opening and is communicated with the advanced filter through an air return fan.
The utility model has the advantages that: the utility model provides a system capable of adjusting the pressure difference of the clean room, which can blow a fresh air source into the clean room by arranging a fresh air system, and a return air inlet is arranged at the lower part of the clean room and is communicated with a high-grade filter by a return air fan, and the filtered air is sent into the clean room again to form an internal circulation loop, thereby saving the air intake of the fresh air system; according to different modes, the utility model discloses set up the detection loop, utilize differential pressure sensor to acquire the collection pressure differential information about the toilet, and will gather pressure differential information and transmit for the controller, the instruction that the mode adjustment module was input can also be received to the controller simultaneously, and form preset pressure differential information according to this instruction, compare preset pressure differential information with collection pressure differential information, if preset pressure differential information is greater than collection pressure differential information, then increase the intake, otherwise then reduce the intake; the energy is saved under the condition of meeting the requirements according to different requirement changes.
When the air inlet volume is adjusted, the utility model can adopt two modes, one of which can inform the wind adjusting valve of the diameter to change the air inlet volume of the fresh air system, and the mode has low equipment cost but needs to change the air inlet volume of the fresh air system; and secondly, the return air volume and the air inlet volume of the fresh air system can be kept unchanged through a constant air volume valve, a pressure difference supplementary air source is added, and the total air inlet volume entering the clean room is changed by adjusting the air inlet volume of the pressure difference supplementary air source.
Therefore, the utility model discloses can change the pressure differential of toilet according to different demands, not only ensure the different demands of toilet, the energy that saves simultaneously has improved resource utilization, and the effectual problem of having solved the pressure differential that exists in the current equipment and can not the adaptability adjust provides convenience for people, has huge economy and social.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is another schematic structural diagram of the present invention.
The reference numbers in the figures are: 1 is the toilet, 2 is the new trend system, 3 is air regulation valve, 4 is the air outlet, and 5 is primary filter. 6 is a return air fan, 7 is a high-grade filter, 8 is an internal circulation system, 9 is a pressure difference sensor, 10 is a controller, 11 is a mode adjusting module, 12 is a pressure difference detecting system, 13 is an adjusting valve, 14 is a pressure difference air supply source, and 15 is an air supplementing system.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1: the embodiment aims to provide a pressure energy-saving control system for a clean room, which is mainly used for pressure difference control of the clean room, can only provide quantitative pressure difference aiming at the defects of the existing clean room, and cannot provide corresponding pressure difference according to different operations or application scenes; when the differential pressure value is set, the differential pressure value is often set according to the highest standard, and energy is wasted for the differential pressure in a lower mode.
As shown in fig. 1, a clean room pressure energy-saving control system comprises a fresh air system 2, an air volume adjusting valve 3, an advanced filter 7, a differential pressure sensor 9, a controller 10 and a mode adjusting module 11; the air outlet of new trend system 2 is connected with air regulation valve 3, and air regulation valve 3 is through the air inlet intercommunication on intake stack and the upper portion of toilet 1, and the fresh air is bloated from upper portion to the clean room in, and the prerequisite is that the emission of clean room is certain in this embodiment, perhaps invariable in a certain time, can increase cushion chamber or air brake in the department of airing exhaust when necessary.
The lower part of the clean room 1 is provided with an air return inlet 4, the air return inlet 4 is communicated with a high-grade filter 7 through an air return fan 6, and the high-grade filter 7 is communicated with an air inlet pipeline to form an internal circulation system 8; in specific implementation, a primary filter 5 can be arranged at the air return port, the primary filter 5 is communicated with a high-grade filter 7 through a return fan 8, so that return air firstly passes through the primary filter for coarse filtration and then enters the return fan 6, excessive impurities cannot be brought to the return fan 6, the stability and the durability of return air power are ensured, the return fan can be a single fan or a double fan, then the gas subjected to primary filtration is subjected to kinetic energy application by the return fan and then enters the high-grade filter 7, and the gas is further filtered to become fresh air meeting requirements and then is blown into the clean room 1 again; by using the internal circulation system 8 formed here, the input amount of fresh air is reduced, the output amount to the outside is reduced, and the fresh air flows in a clean room in an internal circulation mode.
In order to deal with the adjustability of the pressure difference of the clean room 1, a high-pressure collecting point and a low-pressure collecting point are respectively arranged at the upper part and the lower part of the clean room 1, a high-pressure end and a low-pressure end of a pressure difference sensor 9 are respectively communicated with the high-pressure collecting point and the low-pressure collecting point, the pressure difference sensor 9 is used for obtaining the pressure difference of the clean room 1 and transmitting the collected pressure difference information detected by the pressure difference sensor 9 to a controller 10, a mode adjusting module 11 is connected with the controller 10, the specific mode adjusting module 11 is a touch control display screen, the controller 10 is a PLC (programmable logic controller), the touch control display screen sends corresponding preset pressure difference information to the controller according to different modes selected by a user, the controller 10 compares the preset pressure difference information with the collected pressure difference information to form a control signal, and adjusts the air intake by the control signal to form a pressure difference detection system 12; in this embodiment, the air volume adjusting valve 3 receives the control signal and adjusts the air volume of the fresh air system.
Therefore, in the embodiment, a fresh air source is blown into the clean room by the fresh air system, and the air inlet amount of the fresh air system is saved by utilizing the internal circulation; acquiring collected pressure difference information above and below the clean room by using a pressure difference sensor, transmitting the collected pressure difference information to a controller, simultaneously receiving an instruction input by a mode adjusting module by the controller, forming preset pressure difference information according to the instruction, comparing the preset pressure difference information with the collected pressure difference information, increasing the air intake if the preset pressure difference information is greater than the collected pressure difference information, and otherwise, reducing the air intake; according to different requirements, the pressure difference control system saves energy and provides an energy-saving and high-applicability clean room pressure difference control system for people under the condition of meeting the requirements.
Example 2: this example is substantially the same as example 1, except that: this embodiment provides another way of differential pressure control
In this embodiment, as shown in fig. 2, the air volume adjusting valve 3 is a constant air volume valve, a constant air volume valve is also disposed on the air inlet pipeline, an adjusting valve 13 is further disposed on the air inlet pipeline, the adjusting valve is connected to a differential pressure supplementary air source to form an air supplementing system 15, and the adjusting valve 13 receives a control signal to adjust the air inlet volume.
In the embodiment, the air return volume and the air inlet volume of the fresh air system can be kept unchanged through a constant air volume valve, the pressure difference air supply source 14 is added, the total air inlet volume entering the clean room is changed by adjusting the air inlet volume of the pressure difference air supply source 14, both the internal circulation system and the fresh air system are set to be quantitatively input, and the input volume of the air supply system 15 is changed to adjust the total air inlet volume; namely fresh air volume + return air volume = return air volume + discharge volume + differential pressure air volume.
Claims (6)
1. The utility model provides a clean room pressure energy-saving control system which characterized in that: the system comprises a fresh air system, an air volume adjusting valve, an advanced filter, a pressure difference sensor, a controller and a mode adjusting module; the air outlet of the fresh air system is connected with an air volume adjusting valve, the air volume adjusting valve is communicated with an air inlet at the upper part of the clean room through an air inlet pipeline, the lower part of the clean room is provided with an air return inlet, the air return inlet is communicated with a high-grade filter through a return fan, and the high-grade filter is communicated with the air inlet pipeline to form an internal circulation loop; the upper portion and the lower portion of the clean room are respectively provided with a high-pressure collecting point and a low-pressure collecting point, a high-pressure end and a low-pressure end of the differential pressure sensor are respectively communicated with the high-pressure collecting point and the low-pressure collecting point, the differential pressure sensor transmits detected collected differential pressure information to the controller, the mode adjusting module is connected with the controller, corresponding preset differential pressure information is sent to the controller according to different modes selected by a user, and the controller compares the preset differential pressure information with the collected differential pressure information to form a control signal to adjust the air intake.
2. The clean room pressure economizer control system of claim 1, wherein: the air volume regulating valve receives the control signal and regulates the air intake of the fresh air system.
3. The clean room pressure economizer control system of claim 1, wherein: the air volume regulating valve is a constant air volume valve, the air inlet pipeline is also provided with a regulating valve, the regulating valve is connected with a pressure difference supplementing air source, and the regulating valve receives a control signal to regulate the air inlet volume.
4. The clean room pressure economizer control system of claim 1, wherein: the mode adjusting module is a touch control display screen.
5. The clean room pressure economizer control system of claim 1, wherein: the controller is a PLC controller.
6. The clean room pressure economizer control system of claim 1, wherein: and a primary filter is arranged at the air return opening and is communicated with the advanced filter through an air return fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120306903.8U CN214370840U (en) | 2021-02-03 | 2021-02-03 | Toilet pressure energy-saving control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120306903.8U CN214370840U (en) | 2021-02-03 | 2021-02-03 | Toilet pressure energy-saving control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214370840U true CN214370840U (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120306903.8U Active CN214370840U (en) | 2021-02-03 | 2021-02-03 | Toilet pressure energy-saving control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214370840U (en) |
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2021
- 2021-02-03 CN CN202120306903.8U patent/CN214370840U/en active Active
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