CN108036438A - A kind of energy-saving fresh air system - Google Patents
A kind of energy-saving fresh air system Download PDFInfo
- Publication number
- CN108036438A CN108036438A CN201810070259.1A CN201810070259A CN108036438A CN 108036438 A CN108036438 A CN 108036438A CN 201810070259 A CN201810070259 A CN 201810070259A CN 108036438 A CN108036438 A CN 108036438A
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- Prior art keywords
- fresh air
- pressure
- energy
- pipeline
- air
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/147—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification with both heat and humidity transfer between supplied and exhausted air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
Abstract
The present invention provides a kind of energy-saving fresh air system, it is related to air in buildings regulating system, the energy-saving fresh air system includes Fresh air handling units, fresh air pipeline, bypass mechanism and end mechanism for opening/closing, Fresh air handling units have air intake and outlet air end, one end of fresh air pipeline is connected to outlet air end, the other end is connected to end mechanism for opening/closing, one end of bypass mechanism is connected to fresh air pipeline close to one end of Fresh air handling units, the other end is connected to air intake, and fresh air pipeline and air intake are selectively communicated with for the static pressure according to fresh air pipeline.Compared to the prior art, a kind of energy-saving fresh air system provided by the invention is simple in structure, cheap easily to promote, stablize easy care, and fresh air energy consumption can be greatly decreased, save the energy.
Description
Technical field
The present invention relates to air in buildings regulating system, in particular to a kind of energy-saving fresh air system.
Background technology
Fresh air after processing is sent into interior, is to meet personnel's hygienic requirements main means.To all kinds of public people in specification
There are clear stipulaties with the fresh air volume of building.Statistics, the processing energy consumption of fresh air usually account for the 30- of Annual energy consumption
40%；Fresh air energy consumption is reduced to be of great significance to whole air conditioner system energy saving.
A set of fresh air system energy consumption includes two aspects：First is the energy consumption that (heating) needs of being freezed, and second is wind turbine
Conveying energy consumption；And the former energy consumption is often more much bigger than the latter.By taking the Fresh air handling units of certain producer as an example：Its cooling condition is run
When general power be 5.05KW, wherein power of fan is only 0.2KW, only accounts for about the 4% of general power.It can be seen from the above that reduce new wind energy
The emphasis of consumption is to reduce the energy consumption that refrigeration (heating) part needs.
Fresh air system in existing civilian public building carries out heat and wet treatment using concentration more and is then sent to each room.
Existing overwhelming majority fresh air system, does not have automatically adjust the room fresh air volume according to room personnel's situation in the process of running
Ability, fresh air system can only be run in operating mode at full capacity all the time according to design conditions, cause very big energy waste.
In view of this, design and manufacture it is a kind of it is simple in structure, stablize easy care, be cheap easy to spread, easy for installation
The energy-saving fresh air system for saving the energy at the same time is just particularly important.
The content of the invention
It is an object of the invention to provide a kind of energy-saving fresh air system, its is simple in structure, stablize easy care, it is cheap easily
In promote, it is easy for installation while the energy can be saved.
The present invention is realized using following technical solution.
A kind of energy-saving fresh air system, including Fresh air handling units, fresh air pipeline, bypass mechanism and end mechanism for opening/closing, fresh air
Unit has air intake and outlet air end, and one end of fresh air pipeline is connected to outlet air end, and the other end is connected to end mechanism for opening/closing, other
One end of logical mechanism is connected to fresh air pipeline and is connected to air intake close to one end of Fresh air handling units, the other end, for according to fresh air
The static pressure of pipeline selectively communicates with fresh air pipeline and air intake.
Further, bypass mechanism includes pressure control device and by-pass line, and one end of by-pass line is connected to fresh air
For pipeline close to one end of Fresh air handling units, the other end is connected to air intake, and pressure control device is fixedly connected on by-pass line, uses
By-pass line is selectively opened in the static pressure according to fresh air pipeline.
Further, pressure control device includes pressure sensor and electric valve component, and electric valve component, which is fixed, to be connected
By-pass line is connected to, pressure sensor is arranged on by-pass line and is electrically connected close to the side of fresh air pipeline and with electric valve component
Connect, for gathering the static pressure of fresh air pipeline and being transferred to electric valve component.
Further, electric valve component includes solenoid valve and controller, solenoid valve be fixedly connected on by-pass line and with
Controller is electrically connected, and controller is electrically connected with pressure sensor, is opened for the static pressure duty control solenoid valve according to fresh air pipeline
Or close.
Further, pressure control device includes constant-pressure check valve and mechanical pressure adjusting structure, and constant-pressure check valve is fixedly connected
On by-pass line, mechanical pressure adjusting structure is connected with constant-pressure check valve, for adjusting the Opening pressure of constant-pressure check valve.
Further, mechanical pressure adjusting structure is pressure regulating wrench, and pressure regulating wrench is fixedly connected on constant-pressure check valve.
Further, energy-saving fresh air system further includes intake stack, one end of intake stack and the air intake of Fresh air handling units
Connection, the other end is used to reach the external world, to blow to Fresh air handling units.
Further, end mechanism for opening/closing is multiple that multiple end mechanism for opening/closing are uniformly connected to fresh air pipeline.
Further, each end mechanism for opening/closing has air outlet, is provided with adjustable opening/shutting valve at air outlet, is used for
Open or close air outlet.
A kind of energy-saving fresh air system, including Fresh air handling units, fresh air pipeline, bypass mechanism, end mechanism for opening/closing and change wind
Room, Fresh air handling units have air intake and outlet air end, and one end of fresh air pipeline is connected to outlet air end, and the other end is connected to end keying
Mechanism, end mechanism for opening/closing, which stretches into, changes air compartment, and one end of bypass mechanism is connected to fresh air pipeline close to one end of Fresh air handling units, separately
One end is connected to air intake, and fresh air pipeline and air intake are selectively communicated with for the static pressure according to fresh air pipeline.
The invention has the advantages that：
A kind of energy-saving fresh air system provided by the invention, Fresh air handling units have air intake and an outlet air end, and the one of fresh air pipeline
End is connected to outlet air end, and the other end is connected to end mechanism for opening/closing, and one end of bypass mechanism is connected to fresh air pipeline close to fresh air
One end of unit, the other end are connected to air intake, for according to fresh air pipeline static pressure selectively communicate with fresh air pipeline and
Air intake.In actual use, end mechanism for opening/closing is used to stretch into air-exchanging chamber to blow, when end mechanism for opening/closing closes
Close or when aperture is smaller, cause the static pressure in fresh air pipeline to raise, bypass mechanism is beaten after static pressure is increased to predetermined value
Open so that fresh air pipeline is connected with the air intake of Fresh air handling units, so that a part of fresh air returns to fresh air by bypass mechanism
The entrance of unit is mixed with the fresh air without humid heat treatment, plays the stable effect of decompression so that the outlet air end of Fresh air handling units is protected
Keep steady fixed pressure value, avoids underfed from causing indoor sanitation not up to standard, it also avoid energy loss caused by flow surplus.
By the way that the fresh air of the fresh air of the port of export and arrival end is mixed so that energy consumption reduces.Compared to the prior art, the present invention provides
A kind of energy-saving fresh air system, it is simple in structure, cheap easily promote, stablize easy care, fresh air energy consumption can be greatly decreased, save
The energy.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structure diagram for the energy-saving fresh air system that first embodiment of the invention provides；
Fig. 2 is the structure diagram of pressure control device in Fig. 1；
Fig. 3 is the structure diagram for the energy-saving fresh air system that second embodiment of the invention provides；
Fig. 4 is the structure diagram for the energy-saving fresh air system that third embodiment of the invention provides.
Icon：10- energy-saving fresh air systems；100- Fresh air handling units；200- fresh air pipelines；300- bypass mechanisms；310- pressure
Control device；311- pressure sensors；313- electric valve components；3131- solenoid valves；3133- controllers；315- level pressure non-returns
Valve；317- machinery pressure adjusting structures；330- by-pass lines；400- ends mechanism for opening/closing；500- intake stacks；600- changes air compartment.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.The present invention implementation being usually described and illustrated herein in the accompanying drawings
The component of example can be arranged and designed with a variety of configurations.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this area is common
Technical staff's all other embodiments obtained without creative efforts, belong to the model that the present invention protects
Enclose.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" connected ", " installation ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or one
Connect body；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirect by intermediary
It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Below in conjunction with the accompanying drawings, elaborate to some embodiments of the present invention.In the case where there is no conflict, it is following
Feature in embodiment can be mutually combined.
First embodiment
At present, have to build on a small quantity and solve fresh air energy consumption problem by increasing intelligent control system.Main method is,
End room sets sensor to obtain the information such as PM2.5, carbon dioxide content, controls the aperture in end valve or air port, passes through
The static pressure transducer on fresh air supervisor is arranged on to control frequency converter so as to adjust Fresh air handling units rotation speed of fan；When end, demand subtracts
When few, static pressure increase on supervisor, reduces rotation speed of fan；Thus fan energy consumption and refrigeration (heating) amount are reduced.Main problem is：
One needs to increase a set of automatic control system, and system complex cost is high；Secondly since system needs site installation test to be related to
Relevant unit it is more, the later stage probability that goes wrong is big and once pinpoint the problems easily and occur mutually shifting responsibility onto others.This method does not have so far
Can large-scale promotion application.
It is simple in structure, cheap to present embodiments provide one kind, while installation process is simple, while good energy-conserving effect
Energy-saving fresh air system.
Referring to Fig. 1 (arrow represents airflow direction in figure), a kind of energy-saving fresh air system 10 is present embodiments provided, including it is new
Blower fan group 100, fresh air pipeline 200, bypass mechanism 300, end mechanism for opening/closing 400 and intake stack 500, Fresh air handling units 100
With air intake and outlet air end, one end of fresh air pipeline 200 is connected to outlet air end, and the other end is connected to end mechanism for opening/closing 400,
One end of bypass mechanism 300 is connected to fresh air pipeline 200 close to one end of Fresh air handling units 100, and the other end is connected to air intake, uses
Fresh air pipeline 200 and air intake are selectively communicated with the static pressure according to fresh air pipeline 200.One end of intake stack 500 with
The air intake connection of Fresh air handling units 100, the other end is used to reach the external world, to blow to Fresh air handling units 100.
In the present embodiment, end mechanism for opening/closing 400 is multiple that multiple end mechanism for opening/closing 400 are uniformly connected to fresh air
Pipeline 200.Each end mechanism for opening/closing 400 has air outlet, and adjustable opening/shutting valve is provided with air outlet, for opening or
Person closes air outlet.Specifically, multiple air outlets are taken a breath for stretching into multiple rooms.
In the present embodiment, adjustable opening/shutting valve can be opened or closed according to the actual conditions in room, specifically,
Adjustable opening/shutting valve has detector, the quantity that personnel and personnel are whether there is in room is detected by detector so that adjustable
Opening/shutting valve by the quantity of personnel in room or can whether there is personnel and open or close.
In the present embodiment, intake stack 500 reaches extraneous one end and is provided with air intake plate, and air intake plate has latticed
Air inlet, outside air is sucked by air inlet and intake stack 500 and is sent to Fresh air handling units 100.
Bypass mechanism 300 includes pressure control device 310 and by-pass line 330, and one end of by-pass line 330 is connected to newly
For wind pipeline 200 close to one end of Fresh air handling units 100, the other end is connected to air intake, and pressure control device 310 is fixedly connected on side
Thread a pipe on 330, by-pass line 330 is selectively opened for the static pressure according to fresh air pipeline 200.Specifically, bypass pipe
The one end of road 330 away from fresh air pipeline 200 is connected on intake stack 500.
In the present embodiment, by-pass line 330 welds together with fresh air pipeline 200 and intake stack 500 respectively.When
So, this is not restricted to, by-pass line 330 can also pass through with fresh air pipeline 200 and intake stack 500 and be connected respectively herein
Threeway or sealing flange connection, are not especially limited herein.
Referring to Fig. 2, pressure control device 310 includes pressure sensor 311 and electric valve component 313, electrically operated valve group
Part 313 is fixedly connected on by-pass line 330, and pressure sensor 311 is arranged on by-pass line 330 close to the one of fresh air pipeline 200
Side is simultaneously electrically connected with electric valve component 313, for gathering the static pressure of fresh air pipeline 200 and being transferred to electric valve component
313。
Electric valve component 313 includes solenoid valve 3131 and controller 3133, and solenoid valve 3131 is fixedly connected on bypass pipe
Road 330 is simultaneously electrically connected with controller 3133, and controller 3133 is electrically connected with pressure sensor 311, for according to fresh air pipeline 200
Static pressure duty control solenoid valve 3131 open or close.
It should be noted that being built-in with pressure preset in controller 3133, which can be according to actual peace
Dress situation is adjusted, and remaining static pressure can also be determined depending on Fresh air handling units 100, when pressure sensor 311 collect it is new
When the static pressure of wind pipeline 200 is more than pressure preset, solenoid valve 3131 is in opening, and its aperture is with the big of static pressure
It is small to change, at this time through Fresh air handling units 100 processing after part fresh air can with by-pass line 330 by solenoid valve 3131 after
Into intake stack 500, Fresh air handling units 100 are reentered after being mixed with undressed fresh air, on the one hand reduce fresh wind tube
Static pressure in road 200, prevent Fresh air handling units 100 build the pressure occur surge phenomena such as, ensure 100 normal temperature work of Fresh air handling units
Make, on the other hand so that blast pressure stabilization is in pressure preset, it is ensured that when part room end mechanism for opening/closing 400 is closed
When, the room that another part stills need air-supply has enough air-supply pressure heads, so that fresh air volume maintains design load all the time,
Underfed can be avoided to cause indoor sanitation not up to standard while be also avoided that energy loss caused by flow surplus.It is in addition, logical
Cross after the fresh air after 100 heat and wet treatment of Fresh air handling units is mixed with the extraneous fresh air entered and be re-fed into Fresh air handling units 100,
So that the energy consumption that refrigeration or heating part need is greatly reduced.
In conclusion a kind of energy-saving fresh air system 10 is present embodiments provided, by fresh air pipeline 200 and intake stack
By-pass line 330 is set between 500, and pressure control device 310, pressure control device are set on by-pass line 330
Preset pressure value on 310 can according to Fresh air handling units 100 it is specified more than static pressure determine, can also be according to fresh wind tube under design conditions
The actual pressure in road 200 determines, when the static pressure in fresh air pipeline 200 is more than preset pressure value, part fresh air is by bypass
The air intake that pipeline returns to Fresh air handling units 100 is mixed with the fresh air without heat and wet treatment, and to protect all the time in fresh air pipeline 200
Hold in preset pressure value.Compared to the prior art, a kind of energy-saving fresh air system 10 provided in this embodiment, simple in structure, cost
It is cheap easily to promote, stablize easy care, fresh air energy consumption can be greatly decreased, save the energy.
Second embodiment
Present embodiments provide the technique effect and of a kind of energy-saving fresh air system 10, its basic structure and principle and generation
One embodiment is identical, and to briefly describe, the present embodiment part does not refer to part, refers to corresponding contents in first embodiment.
Participate in Fig. 3, a kind of energy-saving fresh air system 10 provided in this embodiment, including Fresh air handling units 100, fresh air pipeline 200,
Bypass mechanism 300, end mechanism for opening/closing 400 and intake stack 500, Fresh air handling units 100 have air intake and outlet air end, fresh air
One end of pipeline 200 is connected to outlet air end, and the other end is connected to end mechanism for opening/closing 400, and one end of bypass mechanism 300 is connected to
Fresh air pipeline 200 is connected to air intake close to one end of Fresh air handling units 100, the other end, for the static pressure according to fresh air pipeline 200
Value selectively communicates with fresh air pipeline 200 and air intake.One end of intake stack 500 is connected with the air intake of Fresh air handling units 100,
The other end is used to reach the external world, to blow to Fresh air handling units 100.
Bypass mechanism 300 includes pressure control device 310 and by-pass line 330, and one end of by-pass line 330 is connected to newly
For wind pipeline 200 close to one end of Fresh air handling units 100, the other end is connected to air intake, and pressure control device 310 is fixedly connected on side
Thread a pipe on 330, by-pass line 330 is selectively opened for the static pressure according to fresh air pipeline 200.Specifically, bypass pipe
The one end of road 330 away from fresh air pipeline 200 is connected on intake stack 500.
Pressure control device 310 includes constant-pressure check valve 315 and mechanical pressure adjusting structure 317, and constant-pressure check valve 315, which is fixed, to be connected
It is connected on by-pass line 330, mechanical pressure adjusting structure 317 is connected with constant-pressure check valve 315, for adjusting constant-pressure check valve 315
Opening pressure.
In the present embodiment, mechanical pressure adjusting structure 317 is pressure regulating wrench, and pressure regulating wrench is fixedly connected on constant-pressure check valve
315.Certainly, this is not restricted to, mechanical pressure adjusting structure 317 can also be other shapes such as pressure adjusting roller or pressure regulation pull rod herein
Formula, as long as being to need the mechanical pressure adjusting structure 317 by manual voltage regulation within protection scope of the present invention.
It should be noted that after mechanical 317 pressure regulation of pressure adjusting structure, constant-pressure check valve 315 is provided with Opening pressure, should
Opening pressure can be adjusted according to actual installation situation, can also remaining static pressure determines depending on Fresh air handling units 100, work as fresh air
When the static pressure of pipeline 200 is more than Opening pressure, constant-pressure check valve 315 is in opening, and its aperture is with the big of static pressure
Small to change, the part fresh air after the processing of Fresh air handling units 100 can pass through constant-pressure check valve with by-pass line 330 at this time
Enter intake stack 500 after 315, Fresh air handling units 100 are reentered after being mixed with undressed fresh air, on the one hand reduce new
Static pressure in wind pipeline 200, prevent Fresh air handling units 100 build the pressure occur surge phenomena such as, ensure 100 normal temperature of Fresh air handling units
Work, on the other hand so that blast pressure stabilization is in pressure preset, it is ensured that when part room end mechanism for opening/closing 400 is closed
When, the room that another part stills need air-supply has enough air-supply pressure heads, so that fresh air volume maintains design load all the time,
Underfed can be avoided to cause indoor sanitation not up to standard while be also avoided that energy loss caused by flow surplus.It is in addition, logical
Cross after the fresh air after 100 heat and wet treatment of Fresh air handling units is mixed with the extraneous fresh air entered and be re-fed into Fresh air handling units 100,
So that the energy consumption that refrigeration or heating part need is greatly reduced.
3rd embodiment
Present embodiments provide the technique effect and of a kind of energy-saving fresh air system 10, its basic structure and principle and generation
One embodiment is identical, and to briefly describe, the present embodiment part does not refer to part, refers to corresponding contents in first embodiment.
Referring to Fig. 4 (in figure arrow represent airflow direction), a kind of energy-saving fresh air system 10 provided in this embodiment, including it is new
Blower fan group 100, fresh air pipeline 200, bypass mechanism 300, end mechanism for opening/closing 400 and air compartment 600 is changed, Fresh air handling units 100 have
There are air intake and outlet air end, one end of fresh air pipeline 200 is connected to outlet air end, and the other end is connected to end mechanism for opening/closing 400, end
End mechanism for opening/closing 400, which stretches into, changes air compartment 600, and one end of bypass mechanism 300 is connected to fresh air pipeline 200 close to Fresh air handling units 100
One end, the other end is connected to air intake, and fresh air pipeline 200 is selectively communicated with for the static pressure according to fresh air pipeline 200
And air intake.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this area
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of energy-saving fresh air system, it is characterised in that opened and closed including Fresh air handling units, fresh air pipeline, bypass mechanism and end
Mechanism, the Fresh air handling units have air intake and outlet air end, and one end of the fresh air pipeline is connected to the outlet air end, the other end
The end mechanism for opening/closing is connected to, one end of the bypass mechanism is connected to the fresh air pipeline close to the Fresh air handling units
One end, the other end are connected to the air intake, for selectively communicating with the fresh air according to the static pressure of the fresh air pipeline
Pipeline and the air intake.
2. energy-saving fresh air system according to claim 1, it is characterised in that the bypass mechanism includes pressure control device
And by-pass line, one end of the by-pass line are connected to the fresh air pipeline close to one end of the Fresh air handling units, the other end
The air intake is connected to, the pressure control device is fixedly connected on the by-pass line, for according to the fresh wind tube
The static pressure in road is selectively opened the by-pass line.
3. energy-saving fresh air system according to claim 2, it is characterised in that the pressure control device includes pressure sensing
Device and electric valve component, the electric valve component are fixedly connected on the by-pass line, and the pressure sensor is arranged on
The by-pass line is electrically connected close to the side of the fresh air pipeline and with the electric valve component, for gathering the fresh air
The static pressure of pipeline is simultaneously transferred to the electric valve component.
4. energy-saving fresh air system according to claim 3, it is characterised in that the electric valve component include solenoid valve and
Controller, the solenoid valve are fixedly connected on the by-pass line and are electrically connected with the controller, the controller with it is described
Pressure sensor is electrically connected, for controlling the solenoid valve to open or close according to the static pressure of the fresh air pipeline.
5. energy-saving fresh air system according to claim 2, it is characterised in that the pressure control device includes level pressure non-return
Valve and mechanical pressure adjusting structure, the constant-pressure check valve are fixedly connected on the by-pass line, the machinery pressure adjusting structure and institute
Constant-pressure check valve connection is stated, for adjusting the Opening pressure of the constant-pressure check valve.
6. energy-saving fresh air system according to claim 5, it is characterised in that the machinery pressure adjusting structure is pressure regulating wrench,
The pressure regulating wrench is fixedly connected on the constant-pressure check valve.
7. energy-saving fresh air system according to claim 1, it is characterised in that the energy-saving fresh air system further includes blast pipe
Road, one end of the intake stack are connected with the air intake of the Fresh air handling units, and the other end is used to reach the external world, with to described
Fresh air handling units are blown.
8. energy-saving fresh air system according to claim 1, it is characterised in that the end mechanism for opening/closing is multiple to be multiple
The end mechanism for opening/closing is uniformly connected to the fresh air pipeline.
9. energy-saving fresh air system according to claim 8, it is characterised in that each end mechanism for opening/closing has outlet air
Mouthful, adjustable opening/shutting valve is provided with the air outlet, for opening or closing the air outlet.
10. a kind of energy-saving fresh air system, it is characterised in that including Fresh air handling units, fresh air pipeline, bypass mechanism, end headstock gear
Structure and air compartment is changed, the Fresh air handling units have air intake and outlet air end, and one end of the fresh air pipeline is connected to the outlet air
End, the other end are connected to the end mechanism for opening/closing, the end mechanism for opening/closing stretch into it is described change air compartment, the bypass mechanism
One end is connected to the fresh air pipeline close to one end of the Fresh air handling units, and the other end is connected to the air intake, for foundation
The static pressure of the fresh air pipeline selectively communicates with the fresh air pipeline and the air intake.
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| CN201810070259.1A CN108036438A (en) | 2018-01-24 | 2018-01-24 | A kind of energy-saving fresh air system |
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| CN201810070259.1A CN108036438A (en) | 2018-01-24 | 2018-01-24 | A kind of energy-saving fresh air system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109533264A (en) * | 2018-11-19 | 2019-03-29 | 江苏科技大学 | A kind of spiral flow channel variable air rate ventilation terminal peculiar to vessel |
| CN113654180A (en) * | 2021-08-30 | 2021-11-16 | 南京福加自动化科技有限公司 | Efficient energy-saving intelligent control system for environmental air conditioner |
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| CN113654180B (en) * | 2021-08-30 | 2022-05-20 | 南京福加自动化科技有限公司 | Efficient and energy-saving intelligent control system for environmental air conditioner |
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