CN109959093A - A kind of fresh air treatment system for multiple climate cells - Google Patents
A kind of fresh air treatment system for multiple climate cells Download PDFInfo
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- CN109959093A CN109959093A CN201910237327.3A CN201910237327A CN109959093A CN 109959093 A CN109959093 A CN 109959093A CN 201910237327 A CN201910237327 A CN 201910237327A CN 109959093 A CN109959093 A CN 109959093A
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- dehumidifier
- air
- fresh air
- treatment system
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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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
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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
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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
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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
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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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
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
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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
- F24F2003/144—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 by dehumidification only
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/40—Pressure, e.g. wind pressure
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Drying Of Gases (AREA)
Abstract
The invention discloses a kind of fresh air treatment systems for multiple climate cells, comprising: the unit that dehumidifies (1) and plenum chamber (3), dehumidifying unit (1) includes bench-types No. two and the identical dehumidifier of performance parameter, respectively 1# dehumidifier and 2# dehumidifier, every dehumidifier is equipped with system air inlet (4), by system air inlet (4) from outdoor introducing fresh air, two dehumidifiers are connected in parallel by air supply pipeline (5), and it is connected to plenum chamber (3), plenum chamber (3) is equipped with system air outlet (6), system air outlet (6) leads to each climate cell.The present invention uses the working method of two dehumidifier parallel connections, and pass through certain control logic and method, realize that fresh air treatment system is shared by multiple climate cells, achieve the purpose that reduce testing equipment quantity, improve testing equipment service efficiency, save the energy, there is preferable economic benefit and promotional value.
Description
Technical field
The invention belongs to environmental simulation test technical fields, are related to a kind of Fresh air handing system for multiple climate cells
System.
Background technique
The field work harsh environmental conditions of vehicle or equipment, climate variability, in order to ensure vehicle or equipment can be out of office
It is worked normally under outer natural environment, and guarantees that its adaptability and reliability under complicated environmental condition satisfies the use demand, needed
Environmental simulation test is carried out to vehicle or equipment in climate cell.
On vehicle or equipment, there may be the climatic factors of influence to include such as temperature, humidity, air pressure, wind speed, sun spoke
It penetrates, sand dust, mist, rain, snow etc..Since natural climate condition is varied, it is difficult various weather conditions in a laboratory
It is simulated, so the environmental simulation test of vehicle or equipment will usually carry out in multiple climatic test rooms.Each climatic test
The fresh air tonifying Qi demand of room is all from fresh air treatment system.
Fresh air treatment system major function includes: to dehumidify to test room air before carrying out low-temperature test, make room
The dew-point temperature of interior air reaches test temperature hereinafter, preventing heat exchanger frosting；Before carrying out dust and sand effect, to test Interior Space
Gas dehumidifies, and makes indoor environment humidity lower than 30%RH；When carrying out vehicle idling field investigation, supplement vehicle burning consumption
Air maintains the stabilization of indoor environment pressure；Humidity tune when carrying out damp and hot or cyclic damp heat test, for experimental enviroment
Section；In addition, can be according to each climate cell's demand, when test, maintains laboratory's minute-pressure force environment.
Currently without a kind of fresh air treatment system that can be used for multiple climate cells.Common practice is for each gas
It waits laboratory and is equipped with a dehumidifier all to carry out Fresh air handing, such mode will increase equipment purchase cost, cannot be considered in terms of
Equipment service efficiency, and cause in later period use process the waste of the energy.
Summary of the invention
(1) goal of the invention
The object of the present invention is to provide a kind of fresh air treatment system for multiple climate cells, which must be carried out
Variable air rate design, air quantity governing response speed is fast, and guarantees that each climate cell's fresh air tonifying Qi is non-interference, can satisfy each gas
Wait the different operating condition of test demand of laboratory.In addition, answering Proper Match dehumidifier quantity and air quantity regulation scheme when design, to the greatest extent most
Limits reduce dehumidifier quantity, reach economical operation, save the energy.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of fresh air treatment system for multiple climate cells,
Comprising: dehumidify unit 1 and plenum chamber 3, dehumidifying unit 1 includes bench-types No. two and the identical dehumidifier of performance parameter, is divided
Not Wei 1# dehumidifier and 2# dehumidifier, every dehumidifier is equipped with system air inlet 4, by system air inlet 4 from outdoor introducing
Fresh air, two dehumidifiers are connected in parallel by air supply pipeline 5, and are connected to plenum chamber 3, and plenum chamber 3 goes out equipped with system
Air port 6, system air outlet 6 lead to each climate cell.
Wherein, the processing of dehumidifier described in separate unit fresh air volume is not less than the 50% of fresh air treatment system total blast volume.
Wherein, the 1# dehumidifier is identical with the structure of 2# dehumidifier, includes: strainer 7, is arranged in system air inlet 4
Place；Second level surface air cooler 8 is located at 7 rear portion of strainer, for carrying out first wet down to air；It is cold to be located at secondary table for dehumidifier runner 9
8 rear portion of device, for carrying out further wet down to the air after first wet down.
Wherein, the 1# dehumidifier and 2# dehumidifier further include: heater is located at second level surface air cooler 8 and dehumidifier runner 9
Between, the partial air after first wet down is heated, the air after heating is passed through the water accumulation part of dehumidifier runner 9, dehumidifying
The water accumulation part of machine runner 9, will be in dehumidifier runner 9 by the air after heating by piping connection external regeneration wind circuit 11
Water is taken away, and is regenerated wind circuit 11 and outdoor is discharged.
Wherein, on the plenum chamber 3, the air inlet setting differential pressure pickup connecting with air supply pipeline 5 is sent for detecting
Wind mass flow.
Wherein, there are two by-passing valves, two by-passing valves to be separately connected its corresponding bypass circulation for setting on the plenum chamber 3
12 one end, the other end of two bypass circulations 12 are respectively communicated to 1# dehumidifier and 2# dehumidifier；When being delivered to plenum chamber 3
When New atmosphere quality flow maximum needed for mass flow of blowing is greater than climatizer, by-passing valve is opened according to the variation of the pressure difference
Greatly, bypass is made to be back to the air quantity increase of 1# dehumidifier and 2# dehumidifier.
Wherein, wind pressure monitoring sensor 10 is respectively set in 9 two sides of dehumidifier runner, for monitoring dehumidifier runner 9
The wind pressure difference of two sides, calculate by dehumidifier runner 9 treated processing air force, it is ensured that processing air quantity be not less than gas
The setting value of fresh air needed for waiting laboratory.
Wherein, temperature sensor is placed in 7 front end of strainer, monitors the temperature of introduced fresh air.
Wherein, placement force sensor is distinguished in 7 two sides of strainer, and the volume flow of introduced fresh air is determined by pressure difference
Amount, thus the mass flow of the introduced fresh air of computing system, maximum value needed for the mass flow of fresh air is less than climatizer are
When fresh air setting value, dehumidifying machine controller is increased setting automatically by detection runner two sides pressure difference and dehumidified in 1# dehumidifier and 2#
The frequency converter frequency of machine and the breeze fan of 5 junction of air supply pipeline increases air output.
Wherein, dehumidifying machine controller, two dehumidifying machine controllers are respectively arranged on the 1# dehumidifier and 2# dehumidifier
Between communicated by Ethernet；Each sensor is connected with corresponding dehumidifying machine controller.
(3) beneficial effect
The fresh air treatment system of multiple climate cells is used for provided by above-mentioned technical proposal, simultaneously using two dehumidifiers
The working method of connection, and by certain control logic and method, realize fresh air treatment system by multiple climate cells altogether
With achieving the purpose that reduce testing equipment quantity, improve testing equipment service efficiency, save the energy, there is preferable economic effect
Benefit and promotional value.
Detailed description of the invention
Fig. 1 is that fresh air treatment system constitutes figure.
Fig. 2 is fresh air treatment system PID figure.
In figure, 1- dehumidifier, 2- controller, 3- plenum chamber, 4- system air inlet, 5- dehumidifier air supply pipeline, 6- system
Air outlet, 7- strainer, 8- second level surface air cooler, 9- dehumidifier runner, 10- runner two sides wind pressure monitoring, 11- regenerate wind circuit, 12-
Bypass circulation.
Specific embodiment
To keep the purpose of the present invention, content and advantage clearer, with reference to the accompanying drawings and examples, to tool of the invention
Body embodiment is described in further detail.
Design objective of the invention is as follows:
1, the needs of total blast volume of fresh air treatment system must meet several climate cells while test, and guarantee each weather
Laboratory's fresh air tonifying Qi is non-interference.
2, fresh air treatment system must carry out variable air rate design, and under different tests operating condition, Fresh air handing maximum and minimum
Amount difference is larger, and (intimate 0~100%) of adjustable range, when air quantity demand increases or reduces suddenly, system can be rapidly adapted to
The variation of different air quantity demands, automatic adjustment processing air quantity.
To reach above-mentioned design objective, design scheme of the invention is as follows:
1, bench-types No. two and the identical dehumidifier of performance parameter are selected to carry out in parallel, separate unit dehumidifier handles fresh air volume
Not less than the 50% of fresh air treatment system total blast volume.The air output of fresh air treatment system and the wind pressure of system are closely bound up two
A parameter, wind pressure are the premises for guaranteeing air quantity.Under the premise of only meeting wind pressure, the air output of system just can ensure that.Therefore, two
The characteristics of platform dehumidifier parallel running regime mode is such as to ensure two dehumidifying function balanced drafts i.e. air quantity, wind pressure each other
It does not interfere with each other, just must assure that the air-supply air quantity of two dehumidifiers, wind pressure are roughly the same.The controller of dehumidifier will have setting
Two dehumidifiers are carried out data communication that is, by way of communication subnet by " transmission is compared " function of parameter, real between each other
When monitor and transmit air-supply air quantity, wind pressure data to other side, while the air quantity of itself, wind pressure and the air quantity of other side, wind pressure being done
Compare, and by frequency conversion air quantity, wind pressure shaping modes, realizes the synchronous variation of two dehumidifier operating conditions, guarantee two and remove
The breeze fan operation curve of wet machine is essentially identical, so that it is guaranteed that under two dehumidifier regime modes used in parallel, it is mutual
Air quantity, pressure balance.
2, the volume flow and temperature of introduced fresh air 1. are monitored in fresh air treatment system wind inlet section, place is thus calculated
Manage the mass flow of fresh air；2. being removed when maximum value, that is, fresh air setting value needed for system processing New atmosphere quality flow is less than system
Wet machine controller increases the frequency converter frequency of air inlet breeze fan (in controller automatically by detection runner two sides pressure difference
Have the formula of write-in runner pressure difference and air force), increase the motor rotary speed of breeze fan and the revolving speed of draught fan impeller, to ensure
The stabilization of New atmosphere quality flow；3. controlling regeneration air quantity by same mode, realize that regeneration air quantity and processing air quantity reach flat
Weighing apparatus；4. plenum chamber is arranged at fresh air treatment system air outlet simultaneously, prevent single test room air quantity demand from increasing or subtracting suddenly
Hour, cause whole system wind pressure larger fluctuation occur；5. installing differential pressure pickup at the plenum chamber of system air supply section, control
The adjusting of internal bypass valve, when system air-supply mass flow is greater than maximum value needed for system, by-passing valve can be according to the pressure difference
Big by-passing valve is opened in variation, is increased the air quantity of bypass back, be may insure the air quantity and pressure balance in plenum chamber in this way.
3, special, when fresh air setting value is lower than 30% following situations of system total blast volume, dehumidifying machine controller can be certainly
The Electric air valve of dynamic adjustment equipment, reduces the aperture of air-valve, increases the windage of system, and the intake for reducing system is total less than system
50% (there was only a dehumidifier job at this time) of air quantity, then on the basis of this, then pass through the variation of runner pressure difference, pass through frequency converter
Supply air system air quantity and wind pressure is also ensured under the low frequency operating condition of frequency converter with guarantee system in adjusting to system air output
Stabilization, it is ensured that the controllability of system have very wide adjustable range.
As shown in Figure 1, a kind of fresh air treatment system for multiple climate cells includes dehumidifying unit 1 and plenum chamber 3,
The unit 1 that dehumidifies includes bench-types No. two and the identical dehumidifier of performance parameter, respectively 1# dehumidifier and 2# dehumidifier, and every
Dehumidifier is equipped with system air inlet 4, and by system air inlet 4 from outdoor introducing fresh air, two dehumidifiers pass through air-supply
Pipeline 5 is connected in parallel, and is connected to plenum chamber 3, and plenum chamber 3 is equipped with system air outlet 6, and system air outlet 6 leads to each weather
Laboratory.
Separate unit dehumidifier 1 handles 50% that fresh air volume is not less than fresh air treatment system total blast volume.
It is respectively arranged with dehumidifying machine controller on 1# dehumidifier and 2# dehumidifier, sees figure label 2, two dehumidifier controls
It is communicated between device by Ethernet.
Plenum chamber 3 is set at fresh air treatment system air outlet, can reduce laboratory's wind pressure sharply in test first
Changing the impact generated on dehumidifier influences, secondly because test building volume several times in plenum chamber volume, pressure in plenum chamber
Variation sensitive compared with laboratory much can make in advance control decision conducive to dehumidifier, the fresh air for each climate cell that follows up in time
Demand.
As shown in Fig. 2, on plenum chamber 3, the air inlet setting differential pressure pickup being connect with air supply pipeline 5, for detecting
Air-supply mass flow；There are two by-passing valves, two by-passing valves to be separately connected its corresponding bypass circulation 12 for setting on plenum chamber 3
One end, the other end of two bypass circulations 12 are respectively communicated to 1# dehumidifier and 2# dehumidifier；When the air-supply for being delivered to plenum chamber 3
When New atmosphere quality flow maximum needed for mass flow is greater than climatizer, by-passing valve can hold big side according to the variation of the pressure difference
Port valve makes bypass be back to the air quantity increase of 1# dehumidifier and 2# dehumidifier, may insure the air quantity and pressure difference in plenum chamber in this way
Balance.
The setting of bypass circulation 12, so that the fresh air of margin can send back to system air supply section by bypass, along with removing
The synchronous communication of wet machine controller, " transmission is compared " function make whole system realize that the fresh air volume of wider scope is adjusted, while
Be conducive to be promoted the real-time of whole system.
1# dehumidifier is identical with the structure of 2# dehumidifier, includes: strainer 7, is arranged at system air inlet 4；Secondary table
Cooler 8 is located at 7 rear portion of strainer, for carrying out first wet down to air；Dehumidifier runner 9 is located at 8 rear portion of second level surface air cooler, uses
In to the further wet down of air progress after first wet down；Heater, it is right between second level surface air cooler 8 and dehumidifier runner 9
Partial air after first wet down is heated, and the air after heating is passed through the water accumulation part of dehumidifier runner 9, dehumidifier runner 9
Water accumulation part by piping connection external regeneration wind circuit 11, the water in dehumidifier runner 9 is taken away by the air after heating,
It is regenerated wind circuit 11 and outdoor is discharged.
Wind pressure monitoring sensor 10 is respectively set in 9 two sides of dehumidifier runner, for monitoring the wind pressure of 9 two sides of dehumidifier runner
Difference, thus calculate by dehumidifier runner 9 treated processing air force, it is ensured that processing air quantity be not less than Climatic Effects
The setting value of fresh air needed for room.
7 leading portion of strainer places temperature sensor, monitors the temperature of introduced fresh air；Distinguish placement force and pass in 7 two sides of strainer
Sensor, the volume flow of introduced fresh air is determined by pressure difference, thus can be calculated the mass flow of the introduced fresh air of system,
When maximum value, that is, fresh air setting value needed for the mass flow of fresh air is less than climatizer, dehumidifying machine controller passes through detection runner
Two sides pressure difference to increase the frequency converter that the breeze fan of 1# dehumidifier and 2# dehumidifier and 5 junction of air supply pipeline is arranged in automatically
Frequency increases the motor rotary speed of breeze fan and the revolving speed of draught fan impeller, to ensure the stabilization of New atmosphere quality flow.
The course of work of the invention is as follows:
As shown in Fig. 2, entering second level after the filtering of strainer 7 after outdoor fresh air enters this system by system air inlet 4
Surface air cooler 8, second level surface air cooler 8 carry out first wet down to air, then pass through the further wet down of dehumidifier runner 9: a part is empty
The water in runner is taken away after gas heating, it is outdoor through regeneration air pipe line discharge；Another part air is sent into each test through plenum chamber 3
Room.If system, which handles air quantity, is greater than fresh air setting value, additional air sends back at second level surface air cooler 8 through bypassing air return pipeline.
Control logic and method of the invention is as follows:
As shown in Fig. 2, 7 leading portion of strainer places the temperature that temperature sensor monitors introduced fresh air, pressure is placed in 7 two sides of strainer
Force snesor, the volume flow of introduced fresh air is determined by pressure difference, thus can be calculated the quality of the introduced fresh air of system
Flow；The wind pressure difference that runner two sides can be obtained by runner two sides wind pressure monitoring sensor 10, passes through runner to calculate
Treated handles air force, it is ensured that setting value of the processing air quantity not less than fresh air needed for system；By regenerating wind circuit 11,
I.e. same mode monitors pressure difference, temperature, and the introduced total fresh-air volume of system, processing air quantity, regeneration air quantity is made to reach dynamic
Balance；By bypass circulation 12, i.e. the pressure difference of monitoring bypass air return pipeline, temperature, treated that fresh air sends back to by extra
At second level surface air cooler 8, air quantity in plenum chamber, pressure difference is made to keep homeostasis.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of fresh air treatment system for multiple climate cells characterized by comprising dehumidifying unit (1) and static pressure
Case (3), dehumidifying unit (1) include bench-types No. two and the identical dehumidifier of performance parameter, and respectively 1# dehumidifier and 2# is removed
Wet machine, every dehumidifier are equipped with system air inlet (4), and by system air inlet (4) from outdoor introducing fresh air, two are removed
Wet machine is connected in parallel by air supply pipeline (5), and is connected to plenum chamber (3), and plenum chamber (3) is equipped with system air outlet (6), is
System air outlet (6) leads to each climate cell.
2. being used for the fresh air treatment system of multiple climate cells as described in claim 1, which is characterized in that removed described in separate unit
Wet machine processing fresh air volume is not less than the 50% of fresh air treatment system total blast volume.
3. being used for the fresh air treatment system of multiple climate cells as described in claim 1, which is characterized in that the 1# dehumidifying
Machine is identical with the structure of 2# dehumidifier, includes: strainer (7), is arranged at system air inlet (4)；Second level surface air cooler (8), position
In strainer (7) rear portion, for carrying out first wet down to air；Dehumidifier runner (9) is located at second level surface air cooler (8) rear portion, is used for
Further wet down is carried out to the air after first wet down.
4. being used for the fresh air treatment system of multiple climate cells as claimed in claim 3, which is characterized in that the 1# dehumidifying
Machine and 2# dehumidifier further include: heater, between second level surface air cooler (8) and dehumidifier runner (9), after first wet down
Partial air is heated, and the air after heating is passed through the water accumulation part of dehumidifier runner (9), the water accumulation part of dehumidifier runner (9)
By piping connection external regeneration wind circuit (11), the water in dehumidifier runner (9) is taken away by the air after heating, through again
Raw wind circuit (11) discharge is outdoor.
5. being used for the fresh air treatment system of multiple climate cells as claimed in claim 4, which is characterized in that the plenum chamber
(3) on, the air inlet setting differential pressure pickup being connect with air supply pipeline (5), for detecting air-supply mass flow.
6. being used for the fresh air treatment system of multiple climate cells as claimed in claim 5, which is characterized in that the plenum chamber
(3) there are two by-passing valves, two by-passing valves to be separately connected one end of its corresponding bypass circulation (12) for setting on, and two bypass back
The other end on road (12) is respectively communicated to 1# dehumidifier and 2# dehumidifier；When the air-supply mass flow for being delivered to plenum chamber (3) is big
Needed for climatizer when New atmosphere quality flow maximum, by-passing valve is opened greatly according to the variation of the pressure difference, and bypass is made to be back to 1#
The air quantity of dehumidifier and 2# dehumidifier increases.
7. being used for the fresh air treatment system of multiple climate cells as claimed in claim 6, which is characterized in that the dehumidifier
Wind pressure monitoring sensor (10) are respectively set in runner (9) two sides, for monitoring the wind pressure difference of dehumidifier runner (9) two sides, count
It calculates through dehumidifier runner (9) treated processing air force, it is ensured that processing air quantity is new not less than needed for climatizer
The setting value of wind.
8. being used for the fresh air treatment system of multiple climate cells as claimed in claim 7, which is characterized in that the strainer
(7) temperature sensor is placed in front end, monitors the temperature of introduced fresh air.
9. being used for the fresh air treatment system of multiple climate cells as claimed in claim 8, which is characterized in that the strainer
(7) placement force sensor is distinguished in two sides, the volume flow of introduced fresh air is determined by pressure difference, thus computing system is drawn
Enter the mass flow of fresh air, when the mass flow of fresh air is less than maximum value, that is, fresh air setting value needed for climatizer, dehumidifier
Controller is connect in 1# dehumidifier and 2# dehumidifier with air supply pipeline (5) by detection runner two sides pressure difference to increase setting automatically
The frequency converter frequency of the breeze fan at place increases air output.
10. being used for the fresh air treatment system of multiple climate cells as claimed in claim 9, which is characterized in that the 1# is removed
It is respectively arranged with dehumidifying machine controller on wet machine and 2# dehumidifier, is led between two dehumidifying machine controllers by Ethernet
News；Each sensor is connected with corresponding dehumidifying machine controller.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110686332A (en) * | 2019-09-30 | 2020-01-14 | 常州市骠马工业机器人系统工程有限公司 | Dehumidification equipment and method for flash drying chamber of automobile coating line |
| CN111351151A (en) * | 2020-03-08 | 2020-06-30 | 中国人民解放军火箭军工程设计研究院 | Variable air volume fresh air dehumidification system for underground engineering and control method thereof |
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