CN109827283A - One kind being based on electronically controlled ceiling mounting type fresh air system and control method - Google Patents
One kind being based on electronically controlled ceiling mounting type fresh air system and control method Download PDFInfo
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- CN109827283A CN109827283A CN201910120881.3A CN201910120881A CN109827283A CN 109827283 A CN109827283 A CN 109827283A CN 201910120881 A CN201910120881 A CN 201910120881A CN 109827283 A CN109827283 A CN 109827283A
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Abstract
The invention discloses one kind to be based on electronically controlled ceiling mounting type fresh air system, including fresh wind tube, new air-valve, filter screen, wet air duct, outer flow sensor, external environment Temperature Humidity Sensor, pressure fan, air-supply Temperature Humidity Sensor, air supply velocity sensor, gas concentration lwevel sensor, controller, water valve, water valve aperture switch, fresh air threshold switch, blower start stop switch, hand automatic transfer switch, humidifier, thermoregulator and exhaust fan.The present invention discloses a kind of control methods based on electronically controlled ceiling mounting type fresh air system, comprising the following steps: fresh air system is opened, and standby mode is kept；After gas concentration lwevel is higher than preset concentration threshold value or temperature and humidity beyond default temperature humidity range, fresh air system starting；Fresh air system work is again introduced into standby mode until gas concentration lwevel is lower than preset concentration threshold value and temperature and humidity is after in default temperature humidity range.The present invention can realize indoor fresh air by the parameter of controller combination various kinds of sensors.
Description
[technical field]
The present invention relates to the technical fields of aeration technology, are based particularly on electronically controlled ceiling mounting type fresh air system and control
The technical field of method.
[background technique]
A set of independent air processing system that fresh air system is made of supply air system and exhaust system, it is divided into duct type
Fresh air system and without two kinds of pipeline fresh air system.Duct type fresh air system is made of new blower and pipe fitting, passes through new blower
Clean room outer space conductance enters interior, and room air is discharged by pipeline；Without pipeline fresh air system by Fresh air handling units at, equally by
New blower clean room outer space conductance enters interior.
The fresh air system for being installed on furred ceiling can be hidden well, not affect the appearance.Meanwhile fresh air system is by necessary blower
And the electronic component of auxiliary is constituted, and is worked if can independently differentiate, can achieve preferably fresh air experience.Therefore, it is necessary to
One kind passing through electronically controlled ceiling mounting type fresh air system and its control method.
[summary of the invention]
The object of the invention is to solve the problems of the prior art, propose a kind of based on electronically controlled ceiling mounting type fresh air
System and control method are able to pass through the controller the parameter in conjunction with various kinds of sensors, control the air output of pressure fan, humidifier
Humidification amount, the adjusting temperature of thermoregulator, exhaust fan exhaust air rate, to realize indoor fresh air.
To achieve the above object, the invention proposes one kind to be based on electronically controlled ceiling mounting type fresh air system, including fresh air
Pipe, new air-valve, filter screen, wet air duct, outer flow sensor, external environment Temperature Humidity Sensor, pressure fan, air-supply temperature and humidity sensing
Device, air supply velocity sensor, gas concentration lwevel sensor, controller, water valve, water valve aperture switch, fresh air threshold switch, blower
Start stop switch, hand automatic transfer switch, humidifier, thermoregulator and exhaust fan are successively set from left to right in the fresh wind tube
There are new air-valve, filter screen, wet air duct, pressure fan, wet air duct has humidifier by piping connection, and pipeline is equipped with water valve and temperature
Adjuster, water valve are switched equipped with water valve aperture；The new air-valve is connected with fresh air threshold switch, and the pressure fan is connected with blower
Start stop switch, hand automatic transfer switch；The controller is electrically connected with water valve aperture switch, fresh air threshold switch, blower start and stop
Switch, hand automatic transfer switch, thermoregulator, exhaust fan；Fresh wind tube inner left wall face be equipped with outer flow sensor,
External environment Temperature Humidity Sensor, fresh wind tube right side inner wall are equipped with air-supply Temperature Humidity Sensor, air supply velocity sensor, fresh air
Pipe right end outside wall surface is equipped with gas concentration lwevel sensor, and outer flow sensor, external environment Temperature Humidity Sensor, air-supply are warm and humid
Degree sensor, air supply velocity sensor, gas concentration lwevel sensor are electrically connected with controller.
Preferably, the fresh wind tube is equipped with fresh air fault alarm, fresh air fault alarm is buzzer siren, newly
Wind fault alarm is electrically connected with controller；The fresh wind tube left end is equipped with rain cover.
Preferably, the filter screen includes primary efficient filter screen, medium air filtration net, efficient H13, active carbon net, HEPA net.
Preferably, being respectively equipped with before strainer pressure after pressure sensor, strainer on fresh wind tube before and after the filter screen
Sensor, pressure sensor is electrically connected with the second data processor after pressure sensor, strainer before strainer, at the second data
Reason device is processor of single chip computer, and the second data processor is used to receive before strainer pressure sensor after pressure sensor, strainer
Pressure signal carries out data processing, and processing result is sent to controller.
Preferably, being respectively equipped with before blower pressure after pressure sensor, blower on fresh wind tube before and after the pressure fan
Sensor, pressure sensor is electrically connected with the first data processor after pressure sensor, blower before blower, at the first data
Reason device is processor of single chip computer, and the first data processor is used to receive before blower pressure sensor after pressure sensor, blower
Pressure signal carries out data processing, and processing result is sent to controller.
A kind of control method based on electronically controlled ceiling mounting type fresh air system, comprising the following steps:
Step 1: fresh air system is opened, and keeps standby mode；
Step 2: after gas concentration lwevel is higher than preset concentration threshold value or temperature and humidity beyond default temperature humidity range, fresh air
System starting: controller receives the indoor carbon dioxide concentration of gas concentration lwevel sensor detection, air-supply Temperature Humidity Sensor
Room temperature, the indoor humidity of detection, when gas concentration lwevel is greater than preset concentration threshold value (i.e.WhereinFor
Gas concentration lwevel,For preset concentration threshold value), room temperature exceed preset temperature range (i.e. tindoor> ttmaxOr tindoor
< ttmin, wherein tindoorFor room temperature, ttmaxFor predetermined maximum temperature value, ttminFor predetermined minimum temperature) or indoor humidity
Beyond default humidity range (i.e. hindoor> htmaxOr hindoor< htmin, wherein hindoorFor room temperature, htmaxFor default maximum
Humidity value, htminTo preset minimum humidity), fresh air system starts, pressure fan putting in blast, and humidifier starts to add water into moisture
Pipe, exhaust fan start air draft；
Step 3: fresh air system work, until gas concentration lwevel is lower than preset concentration threshold value and temperature and humidity is in default temperature
After in humidity range, be again introduced into standby mode: pressure fan is blown, and humidifier carries out plus water is into wet air duct, and temperature is adjusted
Device is adjusted the temperature of the water of addition, and controller combines the first data processor, outer flow sensor, external environment temperature and humidity
The air-supply of the data point reuse pressure fan of sensor, the second data processor, air-supply Temperature Humidity Sensor, air supply velocity sensor
The exhaust air rate of amount, the humidification amount of humidifier, the adjusting temperature of thermoregulator, exhaust fan.
Beneficial effects of the present invention: the present invention is able to pass through the controller the parameter in conjunction with various kinds of sensors, controls pressure fan
Air output, the humidification amount of humidifier, the adjusting temperature of thermoregulator, exhaust fan exhaust air rate, to realize indoor fresh air.
Feature and advantage of the invention will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is that the present invention is a kind of to be illustrated based on the system structure of electronically controlled ceiling mounting type fresh air system and control method
Figure；
Fig. 2 is a kind of system control principle based on electronically controlled ceiling mounting type fresh air system and control method of the present invention
Figure.
In figure: pressure sensor, the number of 6- first before 1- fresh wind tube, 2- new air-valve, 3- filter screen, 4- wet air duct, 5- blower
According to flow sensor, 10- external environment Temperature Humidity Sensor, 11- outside pressure sensor after processor, 7- blower, 8- rain cover, 9-
Pressure sensor, 14- pressure fan, 15- air-supply are warm and humid after pressure sensor, the second data processor of 12-, 13- strainer before strainer
Degree sensor, 16- air supply velocity sensor, 17- gas concentration lwevel sensor, 18- controller, 19- water valve, 20- water valve are opened
Spend switch, 21- fresh air threshold switch, 22- blower start stop switch, 23- hand automatic transfer switch, 24- fresh air fault alarm, 25-
Humidifier, 26- thermoregulator, 27- exhaust fan.
[specific embodiment]
Refering to fig. 1, Fig. 2, the present invention, one kind being based on electronically controlled ceiling mounting type fresh air system, including fresh wind tube 1, fresh air
Valve 2, filter screen 3, wet air duct 4, outer flow sensor 9, external environment Temperature Humidity Sensor 10, pressure fan 14, air-supply temperature and humidity pass
Sensor 15, air supply velocity sensor 16, gas concentration lwevel sensor 17, controller 18, water valve 19, water valve aperture switch 20,
Fresh air threshold switch 21, blower start stop switch 22, hand automatic transfer switch 23, humidifier 25 and thermoregulator 26, the fresh air
New air-valve 2, filter screen 3, wet air duct 4, pressure fan 14 are successively arranged in pipe 1 from left to right, wet air duct 4 has by piping connection to be added
Wet device 25, pipeline are equipped with water valve 19, thermoregulator 26 and exhaust fan 27, and water valve 19 is equipped with water valve aperture switch 20；Institute
It states new air-valve 2 and is connected with fresh air threshold switch 21, the pressure fan 14 is connected with blower start stop switch 22, hand automatic transfer switch
23；The controller 18 is electrically connected with water valve aperture switch 20, fresh air threshold switch 21, blower start stop switch 22, hand and cuts automatically
Change switch 23, thermoregulator 26, exhaust fan 27；The 1 inner left wall face of fresh wind tube is equipped with outer flow sensor 9, outer ring
Border Temperature Humidity Sensor 10,1 right side inner wall of fresh wind tube are equipped with air-supply Temperature Humidity Sensor 15, air supply velocity sensor 16,
1 right end outside wall surface of fresh wind tube is equipped with gas concentration lwevel sensor 17, outer flow sensor 9, external environment Temperature Humidity Sensor
10, air-supply Temperature Humidity Sensor 15, air supply velocity sensor 16, gas concentration lwevel sensor 17 are electrically connected with controller
18。
Specifically, the fresh wind tube 1 is equipped with fresh air fault alarm 24, fresh air fault alarm 24 is buzzing alarm
Device, fresh air fault alarm 24 are electrically connected with controller 18；1 left end of fresh wind tube is equipped with rain cover 8.
Specifically, the filter screen 3 includes primary efficient filter screen, medium air filtration net, efficient H13, active carbon net, HEPA net.
It is pressed after pressure sensor 11, strainer specifically, being respectively equipped on the fresh wind tube 1 of 3 front and back of filter screen before strainer
Force snesor 13, pressure sensor 13 is electrically connected with the second data processor 12 after pressure sensor 11, strainer before strainer,
Second data processor 12 is processor of single chip computer, and the second data processor 12 is used to receive pressure sensor 11, filter before strainer
The pressure signal of pressure sensor 13 carries out data processing after net, and processing result is sent to controller 18.
It is pressed after pressure sensor 5, blower specifically, being respectively equipped on the fresh wind tube 1 of 14 front and back of pressure fan before blower
Force snesor 7, pressure sensor 7 is electrically connected with the first data processor 6 after pressure sensor 5, blower before blower, and first
Data processor 6 is processor of single chip computer, and the first data processor 6 is for receiving before blower pressure after pressure sensor 5, blower
The pressure signal of sensor 7 carries out data processing, and processing result is sent to controller 18.
A kind of control method based on electronically controlled ceiling mounting type fresh air system, comprising the following steps:
Step 1: fresh air system is opened, and keeps standby mode；
Step 2: after gas concentration lwevel is higher than preset concentration threshold value or temperature and humidity beyond default temperature humidity range, fresh air
System starting: controller 18 receives indoor carbon dioxide concentration, the air-supply temperature and humidity that gas concentration lwevel sensor 17 detects and passes
Room temperature, the indoor humidity of the detection of sensor 15, when gas concentration lwevel is greater than preset concentration threshold value (i.e.WhereinFor gas concentration lwevel,For preset concentration threshold value), room temperature exceed preset temperature range (i.e. tindoor> ttmaxOr
tindoor< ttmin, wherein tindoorFor room temperature, ttmaxFor predetermined maximum temperature value, ttminFor predetermined minimum temperature) or it is indoor
Humidity exceeds default humidity range (i.e. hindoor> htmaxOr hindoor< htmin, wherein hindoorFor room temperature, htmaxIt is default
Maximal humidity value, htminTo preset minimum humidity), fresh air system starting, 14 putting in blast of pressure fan, humidifier 25 starts plus water
Into wet air duct 4, exhaust fan 27 starts air draft；
Step 3: fresh air system work, until gas concentration lwevel is lower than preset concentration threshold value and temperature and humidity is in default temperature
After in humidity range, be again introduced into standby mode: pressure fan 14 is blown, and humidifier 25 carries out adding water into wet air duct 4, temperature
The temperature of water of 26 pairs of adjuster additions is adjusted, and controller 18 combines the first data processor 6, outer flow sensor 9, outer
The data of environment humidity sensor 10, the second data processor 12, air-supply Temperature Humidity Sensor 15, air supply velocity sensor 16
Adjust the air draft of the air output of pressure fan 14, the humidification amount of humidifier 25, the adjusting temperature, exhaust fan 27 of thermoregulator 26
Amount.
The course of work of the present invention:
One kind of the invention is based on electronically controlled ceiling mounting type fresh air system and control method during the work time, in conjunction with attached drawing
It is illustrated.
Pressure fan 14 is blown；Exhaust fan 27 carries out air draft.Under Electric automatic control, the starting of fresh air system is depended on
Gas concentration lwevel is higher than preset concentration threshold value or temperature and humidity exceeds the generation for presetting the unfavorable factor of temperature humidity range, by new
The work of wind system, is restored to safe condition.The data of various kinds of sensors detection can help preferably to automatically control；Pass through outflow
The fast detection of sensor 9 enters the wind speed v of fresh wind tube 1e, the air capacity instantaneously entered is Qs=π rf 2·ve, wherein QsIt is instantaneous
Air capacity, r into fresh wind tube 1fFor the entrance radius of fresh wind tube 1；Fresh wind tube 1 is detected by air supply velocity sensor 16
Wind speed vo, it is instantaneously Q into indoor air capacityi=π rc 2·vo, wherein QiFor instantaneously enter the room air capacity, rcFor
The exit radius of fresh wind tube 1；In conjunction with the inflow and its temperature of Temperature Humidity Sensor adjustment humidifier 25.Pressure passes before strainer
The data of pressure sensor 13 obtain pressure difference under the processing of the second data processor 12 after sensor 11 and strainer, according to this number
According to the unusual condition that may determine that whether strainer needs replacing or other are blocked, can be alarmed using fresh air fault alarm 24；
Similarly, the data of pressure sensor 7 obtain under the processing of the first data processor 6 after pressure sensor 5 and blower before blower
Pressure difference is obtained, may determine that whether pressure fan 14 has exception according to this data, can alarm also with fresh air fault alarm 24.
The present invention is able to pass through the controller the parameter in conjunction with various kinds of sensors, controls the air output of pressure fan, humidifier
Humidification amount, the adjusting temperature of thermoregulator, exhaust fan exhaust air rate, to realize indoor fresh air.
Above-described embodiment is the description of the invention, is not limitation of the invention, after any pair of simple transformation of the present invention
Scheme all belong to the scope of protection of the present invention.
Claims (6)
1. one kind is based on electronically controlled ceiling mounting type fresh air system, it is characterised in that: including fresh wind tube (1), new air-valve (2), mistake
Strainer (3), wet air duct (4), outer flow sensor (9), external environment Temperature Humidity Sensor (10), pressure fan (14), air-supply are warm and humid
Spend sensor (15), air supply velocity sensor (16), gas concentration lwevel sensor (17), controller (18), water valve (19), water
Valve opening switchs (20), fresh air threshold switch (21), blower start stop switch (22), hand automatic transfer switch (23), humidifier (25)
With thermoregulator (26), the fresh wind tube (1) is interior to be successively arranged new air-valve (2), filter screen (3), wet air duct from left to right
(4), pressure fan (14), wet air duct (4) have humidifier (25) by piping connection, and pipeline is equipped with water valve (19), temperature is adjusted
Device (26) and exhaust fan (27), water valve (19) are equipped with water valve aperture switch (20)；The new air-valve (2) is connected with new air-valve and opens
It closes (21), the pressure fan (14) is connected with blower start stop switch (22), hand automatic transfer switch (23)；The controller (18)
It is electrically connected with water valve aperture switch (20), fresh air threshold switch (21), blower start stop switch (22), hand automatic transfer switch
(23), thermoregulator (26), exhaust fan (27)；Fresh wind tube (1) the inner left wall face be equipped with outer flow sensor (9),
External environment Temperature Humidity Sensor (10), fresh wind tube (1) right side inner wall are equipped with air-supply Temperature Humidity Sensor (15), air supply velocity
Sensor (16), fresh wind tube (1) right end outside wall surface are equipped with gas concentration lwevel sensor (17), outer flow sensor (9), outer
Environment humidity sensor (10), air-supply Temperature Humidity Sensor (15), air supply velocity sensor (16), gas concentration lwevel sensing
Device (17) is electrically connected with controller (18).
2. as described in claim 1 a kind of based on electronically controlled ceiling mounting type fresh air system, it is characterised in that: the fresh wind tube
(1) fresh air fault alarm (24) are equipped with, fresh air fault alarm (24) is buzzer siren, fresh air fault alarm (24)
It is electrically connected with controller (18)；Fresh wind tube (1) left end is equipped with rain cover (8).
3. as described in claim 1 a kind of based on electronically controlled ceiling mounting type fresh air system, it is characterised in that: the filter screen
It (3) include primary efficient filter screen, medium air filtration net, efficient H13, active carbon net, HEPA net.
4. as described in claim 1 a kind of based on electronically controlled ceiling mounting type fresh air system, it is characterised in that: the filter screen
(3) pressure sensor (13) pressure sensor (11), strainer after be respectively equipped with before strainer on the fresh wind tube (1) before and after, before strainer
Pressure sensor (13) is electrically connected with the second data processor (12) after pressure sensor (11), strainer, at the second data
Managing device (12) is processor of single chip computer, and the second data processor (12) is for receiving before strainer after pressure sensor (11), strainer
The pressure signal of pressure sensor (13) carries out data processing, and processing result is sent to controller (18).
5. as described in claim 1 a kind of based on electronically controlled ceiling mounting type fresh air system, it is characterised in that: the pressure fan
(14) it is respectively equipped with before blower pressure sensor (7) after pressure sensor (5), blower on the fresh wind tube (1) before and after, is pressed before blower
Pressure sensor (7) is electrically connected with the first data processor (6), the first data processor after force snesor (5), blower
It (6) is processor of single chip computer, the first data processor (6) is for receiving before blower pressure sensing after pressure sensor (5), blower
The pressure signal of device (7) carries out data processing, and processing result is sent to controller (18).
6. a kind of control method based on electronically controlled ceiling mounting type fresh air system, it is characterised in that: the following steps are included:
Step 1: fresh air system is opened, and keeps standby mode；
Step 2: after gas concentration lwevel is higher than preset concentration threshold value or temperature and humidity beyond default temperature humidity range, fresh air system
Starting: controller (18) receives the indoor carbon dioxide concentration of gas concentration lwevel sensor (17) detection, air-supply temperature and humidity passes
Room temperature, the indoor humidity of sensor (15) detection, when gas concentration lwevel is greater than preset concentration threshold value (i.e.Its
InFor gas concentration lwevel,For preset concentration threshold value), room temperature exceed preset temperature range (i.e. tindoor>
ttmaxOr tindoor< ttmin, wherein tindoorFor room temperature, ttmaxFor predetermined maximum temperature value, ttminFor predetermined minimum temperature)
Or indoor humidity exceeds default humidity range (i.e. hindoor> htmaxOr hindoor< htmin, wherein hindoorFor room temperature, htmax
To preset maximal humidity value, htminTo preset minimum humidity), fresh air system starting, pressure fan (14) putting in blast, humidifier
(25) start plus water is into wet air duct (4), exhaust fan (27) starts air draft；
Step 3: fresh air system work, until gas concentration lwevel is lower than preset concentration threshold value and temperature and humidity is in default temperature and humidity
After in range, be again introduced into standby mode: pressure fan (14) is blown, and humidifier (25) carries out plus water is into wet air duct (4), warm
Degree adjuster (26) is adjusted the temperature of the water of addition, and controller (18) combines the first data processor (6), outer flow velocity to pass
Sensor (9), external environment Temperature Humidity Sensor (10), the second data processor (12), air-supply Temperature Humidity Sensor (15), air-supply speed
Spend the air output of data point reuse pressure fan (14) of sensor (16), the humidification amount of humidifier (25), thermoregulator (26)
Adjust the exhaust air rate of temperature, exhaust fan (27).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811307762 | 2018-11-05 | ||
| CN2018113077620 | 2018-11-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109827283A true CN109827283A (en) | 2019-05-31 |
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ID=66863635
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910120881.3A Pending CN109827283A (en) | 2018-11-05 | 2019-02-18 | One kind being based on electronically controlled ceiling mounting type fresh air system and control method |
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| CN116951623A (en) * | 2023-09-20 | 2023-10-27 | 维睿空气系统产品（深圳）有限公司 | Fresh air system for air purification based on Internet of things |
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Application publication date: 20190531 |
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| RJ01 | Rejection of invention patent application after publication |