CN206695325U - A kind of hospital air quality integrated monitoring apparatus - Google Patents
A kind of hospital air quality integrated monitoring apparatus Download PDFInfo
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- CN206695325U CN206695325U CN201720382165.9U CN201720382165U CN206695325U CN 206695325 U CN206695325 U CN 206695325U CN 201720382165 U CN201720382165 U CN 201720382165U CN 206695325 U CN206695325 U CN 206695325U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
A kind of hospital air quality integrated monitoring apparatus is the utility model is related to, including for gathering the sensor cluster of room indoor and outdoor surroundingses information, the breeze fan for adjusting fresh air air output being disposed in the interior in fresh air ajutage and the controller for output control signal；Sensor cluster comprises at least gas concentration lwevel sensor group, PM2.5 concentration sensors group and total volatile organism concentration sensor group；Controller is connected with sensor cluster, breeze fan respectively, the room indoor and outdoor surroundingses information output control signal control breeze fan regulation fresh air air output based on sensor cluster collection.The utility model carries out monitoring in real time to room indoor and outdoor surroundingses information by sensor cluster and the air conditioner fresh air air output of interior is adjusted in real time with exporting corresponding control signal, while air-conditioning energy-saving blowing on demand is realized, the comfort level and satisfaction of the personnel that wait to see the doctor greatly are improved.
Description
Technical field
Air-conditioning technical field is the utility model is related to, is filled more specifically to a kind of hospital air quality comprehensively monitoring
Put.
Background technology
The method of conventional improvement indoor air quality is that indoor temperature or humidity are monitored at present, and according to monitoring
As a result air output etc. is adjusted, and then adjusts the purpose of indoor air quality, still, these methods often have ignored interior
PM2.5, TVOCs and CO2The monitoring of concentration, and waited to see the doctor for the air quality of hospital, particularly hospital clinic in region
PM2.5, TVOCs and CO2Concentration, if do not monitored in time, as PM2.5, TVOCs in hospital clinic waits to see the doctor region and
CO2During excessive concentration, it will cause to the exacerbation of personnel's state of an illness in space or bring discomfort, seriously reduce indoor air quality
It quality, can not only reach the demand of indoor air quality, can also consume substantial amounts of energy.
Utility model content
The technical problems to be solved in the utility model is, for the drawbacks described above of prior art, there is provided a kind of hospital is empty
Gas quality integrated monitoring apparatus.
Technical scheme is used by the utility model solves its technical problem：Construct a kind of hospital air quality synthesis prison
Control device, including the use for gathering the sensor cluster of room indoor and outdoor surroundingses information, being disposed in the interior in fresh air ajutage
Breeze fan in regulation fresh air air output and controller for output control signal；
The sensor cluster comprises at least gas concentration lwevel sensor group, PM2.5 concentration sensors group and total volatilization
Property organic concentration sensor group；
The controller is connected with the sensor cluster, the breeze fan respectively, is adopted based on the sensor cluster
The room indoor and outdoor surroundingses information output control signal of collection controls the breeze fan regulation fresh air air output.
In hospital air quality integrated monitoring apparatus described in the utility model, it is preferable that also include being arranged on fresh air
The PM2.5 clarifiers that the fresh air exported in ajutage and after the breeze fan, to the breeze fan is purified.
In hospital air quality integrated monitoring apparatus described in the utility model, it is preferable that the indoor and outdoor surroundingses letter
Breath includes indoor and outdoor gas concentration lwevel information, indoor and outdoor PM2.5 concentration informations, indoor and outdoor total volatile organism concentration letter
Breath.
In hospital air quality integrated monitoring apparatus described in the utility model, it is preferable that the outdoor PM2.5 concentration
Information includes the first outdoor PM2.5 concentration informations and the outer PM2.5 concentration informations of second Room.
In hospital air quality integrated monitoring apparatus described in the utility model, it is preferable that the PM2.5 concentration sensing
Device group includes indoor PM2.5 concentration sensors and outdoor PM2.5 concentration sensors,
The indoor PM2.5 concentration sensors are disposed in the interior, and are connected with the controller, indoor for gathering in real time
PM2.5 concentration informations, and transmit to the controller；
The outdoor PM2.5 concentration sensors include the first outdoor PM2.5 concentration sensors and the outer PM2.5 concentration of second Room
Sensor；The first outdoor PM2.5 concentration sensors are arranged between the breeze fan and the PM2.5 clarifiers, are used
In the first outdoor PM2.5 concentration informations for gathering the fresh air that the breeze fan exports in real time and transmit to the controller；
The outer PM2.5 concentration sensors of the second Room be arranged on the PM2.5 clarifiers after, be connected with the controller,
PM2.5 concentration informations outside second Room for gathering the fresh air after the PM2.5 purification utensils in real time.
In hospital air quality integrated monitoring apparatus described in the utility model, it is preferable that the gas concentration lwevel
Sensor group includes indoor carbon dioxide concentration sensor and outdoor gas concentration lwevel sensor；
The indoor carbon dioxide concentration sensor is disposed in the interior, is connected with the controller, for gathering room in real time
Interior gas concentration lwevel information is simultaneously transmitted to the controller；
The outdoor gas concentration lwevel sensor is arranged in fresh air ajutage, is connected with the controller, for reality
When gather outdoor gas concentration lwevel information and transmit to the controller.
In hospital air quality integrated monitoring apparatus described in the utility model, it is preferable that the general volatile is organic
Thing concentration sensor group includes indoor total volatile organism concentration sensor and outdoor total volatile organism concentration sensor；
The indoor total volatile organism concentration sensor is disposed in the interior, is connected with the controller, for real-time
Gather indoor total volatile organism concentration information；
The outdoor total volatile organism concentration sensor is arranged in fresh air ajutage, is connected with the controller,
For gathering outdoor total volatile organism concentration information in real time.
In hospital air quality integrated monitoring apparatus described in the utility model, it is preferable that the controller is controlled for PLC
Device processed.
In hospital air quality integrated monitoring apparatus described in the utility model, it is preferable that the PLC is west
The sub- PLC of door.
In hospital air quality integrated monitoring apparatus described in the utility model, it is preferable that the controller is controlled for DDC
Device processed.
Implement hospital air quality integrated monitoring apparatus of the present utility model, have the advantages that：Including for adopting
Collect room indoor and outdoor surroundingses information sensor cluster, be disposed in the interior in fresh air ajutage be used for adjust fresh air air output
Breeze fan and the controller for output control signal；Sensor cluster comprise at least gas concentration lwevel sensor group,
PM2.5 concentration sensors group and total volatile organism concentration sensor group；Controller respectively with sensor cluster, breeze fan
Connection, the room indoor and outdoor surroundingses information output control signal control breeze fan regulation fresh air based on sensor cluster collection are sent
Air quantity.The utility model carries out monitoring in real time by sensor cluster to export corresponding control to room indoor and outdoor surroundingses information
Signal is adjusted in real time to the air conditioner fresh air air output of interior, while air-conditioning energy-saving blowing on demand is realized, is greatly carried
Height is waited to see the doctor the comfort level and satisfaction of personnel.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：
Fig. 1 is the structural representation of the utility model hospital air quality integrated monitoring apparatus embodiment one.
Embodiment
In order to which the technical characteristics of the utility model, purpose and effect are more clearly understood, it is detailed now to compare accompanying drawing
Illustrate specific embodiment of the present utility model.
The utility model can be applied to the monitoring and control of hospital clinic space air quality, by increasing indoor and outdoor
PM2.5, total volatile organism (TVOCs) and carbon dioxide (CO2) concentration sensor carry out in real time measure and handle and export
Corresponding control signal is adjusted, so as to meet indoor people in real time with controlling indoor fresh air air output to indoor air environment
While member is to Indoor Air Quality demand, there is provided realize the purpose of air-conditioning energy-saving blowing on demand.
With reference to figure 1, Fig. 1 is the structural representation of the utility model hospital air quality integrated monitoring apparatus embodiment one.
As shown in figure 1, hospital air quality integrated monitoring apparatus of the present utility model include sensor cluster, breeze fan 201 and
Controller 10.Wherein, controller 10 is connected with sensor cluster, breeze fan 201 respectively, and controller 10 is based on sensor cluster
The environmental information output control signal control breeze fan 201 of transmission adjusts fresh air air output, to realize regulation Interior Space in real time
The purpose in compression ring border, while can also realize air-conditioning energy-saving blowing on demand, effectively save energy consumption.Specifically：
Sensor cluster, it is mainly used in the environment letter of collection room indoor and outdoor (such as hospital wait to see the doctor region inside and outside) in real time
Breath.Wherein, sensor cluster can comprise at least gas concentration lwevel sensor group, PM2.5 concentration sensors group and TVOCs concentration
Sensor group.It is to be appreciated that the environmental information of the present embodiment may include indoor and outdoor gas concentration lwevel information, indoor and outdoor
PM2.5 concentration informations and indoor and outdoor total volatile organism concentration information.Further, outdoor PM2.5 concentration informations can wrap
Include the first outdoor PM2.5 concentration informations and the outer PM2.5 concentration informations of second Room.
Preferably, hospital air quality integrated monitoring apparatus of the present utility model may also include PM2.5 clarifiers 203.
PM2.5 clarifiers 203 are arranged in fresh air ajutage, and are arranged on after breeze fan 201.It is to be appreciated that PM2.5 is purified
Device is arranged on the fresh air that can be exported after breeze fan 201 to breeze fan 201 and makees further purified treatment, new effectively to reduce
Contained dust particale in wind, and then make it that the degree of purification for being conveyed into the fresh air of interior is higher, improve and be sent into indoor fresh air
Quality.
As shown in figure 1, the PM2.5 concentration sensors group of the present embodiment includes indoor PM2.5 concentration sensors 302 and outdoor
PM2.5 concentration sensors.Wherein, outdoor PM2.5 concentration sensors include the first outdoor PM2.5 concentration sensors 202 and second
PM2.5 concentration sensors 204.
First outdoor PM2.5 concentration sensors are arranged in fresh air ajutage 20, and the first outdoor PM2.5 concentration sensors
202 are additionally arranged between breeze fan 201 and PM2.5 clarifiers 203.Can be with by the first outdoor PM2.5 concentration sensors 202
First outdoor PM2.5 concentration informations of the fresh air that collection breeze fan 201 exports in real time, you can monitoring breeze fan 201 in real time
The PM2.5 contents of the fresh air of output, and the collected first outdoor PM2.5 concentration informations are transmitted to controller 10.
After the outer PM2.5 concentration sensors 204 of second Room are arranged on PM2.5 clarifiers 203, it is connected with controller 10, it is led
It is used for after gathering the fresh air progress purified treatment exported through PM2.5 clarifiers 203 to breeze fan 201 in real time, in input chamber
Fresh air PM2.5 content, i.e. outer PM2.5 concentration informations of collection second Room in real time, and by the information transfer to controller 10,
To realize that the situation of the PM2.5 to being sent into indoor fresh air monitors in real time.
The first outdoor PM2.5 concentration sensors 202 of the present embodiment can be adopted with the outer PM2.5 concentration sensors 204 of second Room
With specification identical PM2.5 concentration sensors, such as the PM2.5 concentration such as model WS20P or AirRadio A1 sensing can be used
Device.It is to be appreciated that PM2.5 concentration sensors are not limited to the model that the present embodiment is enumerated, other can also be used similar
PM2.5 concentration sensors.
Gas concentration lwevel sensor group includes indoor carbon dioxide concentration sensor 301 and outdoor gas concentration lwevel passes
Sensor 206.
Indoor carbon dioxide concentration sensor 301 is disposed in the interior, and is connected with controller 10, and it is mainly used in gathering in real time
Indoor carbon dioxide concentration information, and the indoor carbon dioxide concentration information collected is transferred to controller 10.Preferably,
The indoor carbon dioxide concentration sensor 301 of the present embodiment can use model BS1-GC02 gas concentration lwevel sensor.
It is to be appreciated that indoor carbon dioxide concentration sensor 301 of the present utility model is not limited to the particular type that the present embodiment is enumerated
Number, this can also be not especially limited using the gas concentration lwevel sensor of same type, the utility model.
Outdoor gas concentration lwevel sensor 206 is arranged in fresh air ajutage (that is, the room that the present embodiment is signified
Outside), it is connected with controller 10, for gathering outdoor gas concentration lwevel information in real time, the outdoor carbon dioxide that will will be gathered
Concentration information is transferred to controller 10.It is to be appreciated that outdoor gas concentration lwevel sensor 206 of the present utility model can use
With the identical gas concentration lwevel sensor of the present embodiment indoor carbon dioxide concentration sensor 301.
Further, the outdoor gas concentration lwevel sensor 206 of the present embodiment can be arranged on fresh air ajutage 20
End (one end being connected with room), can also be set directly at after PM2.5 clarifiers 203.
Total volatile organism concentration sensor group includes indoor total volatile organism concentration sensor 303 and outdoor is total
Volatile organic matter concentration sensor 205.
Indoor total volatile organism concentration sensor 303 is disposed in the interior, is connected with controller 10, for gathering in real time
Indoor total volatile organism concentration information, and the indoor total volatile organism concentration information gathered is transferred to controller
10.In this embodiment, indoor total volatile organism concentration sensor 303 can use model SGA-70-VOC TVOCs
Concentration sensor.It is to be appreciated that TVOCs concentration sensors of the present utility model are not limited to the model that the present embodiment is enumerated.
Outdoor total volatile organism concentration sensor 205 is arranged in fresh air ajutage, is connected, is used for controller 10
Outdoor total volatile organism concentration information is gathered in real time, that is, in real time by breeze fan 201 in collection fresh air ajutage
The content of total volatile organism in the fresh air of output.Preferably, the outdoor total volatile organism concentration of the present embodiment passes
Sensor 205 may be provided at after PM2.5 clarifiers 203.It is to be appreciated that outdoor total volatile organism of the present utility model is dense
Spending sensor 205 can be using the TVOCs concentration sensor with the indoor same type of total volatile organism concentration sensor 303.
Controller 10, it is mainly used in exporting corresponding control signal control breeze fan according to the environmental information of indoor and outdoor
201, and then adjust and be sent into indoor air quantity, the real-time regulation to indoor fresh air air output is realized, meets indoor people so as to reach
Member can also realize the purpose blown on demand, effectively save energy consumption to the demand of indoor air quality.Preferably, the present embodiment
Controller 10 can be PLC, and the PLC of west gate sub-brand name can be selected, for example, model S7-1500 can be selected
Or the model PLC such as S7-200Smart.
Further, controller 10 of the present utility model can also be DDC controllers.
It is a specific embodiment of the present utility model as shown in Figure 1, the first outdoor PM2.5 concentration sensors 202 are set
After breeze fan 201, PM2.5 clarifiers 203 are arranged on after the first outdoor PM2.5 concentration sensors 202, outside second Room
PM2.5 concentration sensors 204, outdoor TVOCs concentration sensors 205 and outdoor gas concentration lwevel sensor 206 are set successively
Put in fresh air ajutage 20.Its concrete operating principle is：First outdoor PM2.5 concentration sensors 202 gather the first Room in real time
Outer PM2.5 concentration informations, and the first outdoor PM2.5 concentration informations are transmitted to controller 10, controller 10 goes back receiving chamber simultaneously
The indoor PM2.5 concentration informations of interior PM2.5 concentration sensors transmission, and by the first outdoor PM2.5 concentration informations PM2.5 it is dense
Degrees of data CPM2.5, outWith the PM2.5 concentration datas C in indoor PM2.5 concentration informationsPM2.5, inIt is compared, the usual embodiment
In, by CPM2.5, outWith 50%CPM2.5, inIt is compared, if CPM2.5, out＞ 50%CPM2.5, in, then illustrate that breeze fan 201 conveys
Fresh air be not enough to PM2.5 in dilution chamber, now, controller 10 outputs control signals to PM2.5 clarifiers 203, control
PM2.5 clarifiers 203 are opened to reduce the PM2.5 granule contents in fresh air, can be used for PM2.5 particles in dilution chamber to reach
Purpose.If CPM2.5, out＜ 50%CPM2.5, in, PM2.5 clarifiers 203 are not required to open, and the fresh air that breeze fan 201 exports can be direct
It is sent into indoor.
In addition, controller 10 also believe in receiving chamber simultaneously by gas concentration lwevel information, indoor total volatile organism concentration
Breath, outdoor gas concentration lwevel information and outdoor total volatile organism concentration information, respectively by indoor carbon dioxide concentration
Information and outdoor gas concentration lwevel information, indoor total volatile organism concentration information and outdoor total volatile organism concentration
Information is compared calculating, and with reference to the big I of the interior space calculate each to it is corresponding when required fresh-air volume, according to
Each fresh-air volume obtained extracts maximum therein to be used as the fresh-air volume for being ultimately delivered to interior, the i.e. basis of controller 10
It is ultimately delivered to control signal corresponding to the fresh-air volume output of interior to breeze fan 201, regulation breeze fan 201 and exports new
Wind air quantity, even if the fresh-air volume that breeze fan 201 exports reaches the air quantity for calculating obtain in real time, and then real-time regulation room
The purpose of interior air quality.
To sum up, the utility model is by increasing indoor and outdoor PM2.5 concentration sensors, TVOCs concentration sensors and CO newly2It is dense
Spend PM2.5 concentration, TVOCs concentration and CO of the sensor to indoor and outdoor2Measure and carried out according to typical set value in real time
Multilevel iudge, the fresh air air output for being ultimately delivered to interior is calculated, the air conditioner fresh air air output of interior is adjusted in real time, it is real
While having showed air-conditioning and blow on demand, the comfort level and satisfaction of the personnel of waiting to see the doctor can also be greatly improved.
For above example only to illustrate technical concepts and features of the present utility model, its object is to allow be familiar with technique
Personage can understand content of the present utility model and implement accordingly, the scope of protection of the utility model can not be limited.It is all with
The equivalent changes and modifications that the utility model claims scope is done, all should belong to the utility model claims covers model
Enclose.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.
Claims (10)
1. a kind of hospital air quality integrated monitoring apparatus, it is characterised in that including for gathering room indoor and outdoor surroundingses information
Sensor cluster, be disposed in the interior in fresh air ajutage be used for adjust the breeze fan of fresh air air output and for defeated
Go out the controller of control signal；
The sensor cluster, which comprises at least gas concentration lwevel sensor group, PM2.5 concentration sensors group and general volatile, to be had
Machine thing concentration sensor group；
The controller is connected with the sensor cluster, the breeze fan respectively, based on sensor cluster collection
Room indoor and outdoor surroundingses information output control signal controls the breeze fan regulation fresh air air output.
2. hospital air quality integrated monitoring apparatus according to claim 1, it is characterised in that also include being arranged on fresh air
The PM2.5 clarifiers that the fresh air exported in ajutage and after the breeze fan, to the breeze fan is purified.
3. hospital air quality integrated monitoring apparatus according to claim 2, it is characterised in that the indoor and outdoor surroundingses letter
Breath includes indoor and outdoor gas concentration lwevel information, indoor and outdoor PM2.5 concentration informations, indoor and outdoor total volatile organism concentration letter
Breath.
4. hospital air quality integrated monitoring apparatus according to claim 3, it is characterised in that the outdoor PM2.5 is dense
Spending information includes the first outdoor PM2.5 concentration informations and the outer PM2.5 concentration informations of second Room.
5. hospital air quality integrated monitoring apparatus according to claim 4, it is characterised in that the PM2.5 concentration passes
Sensor group includes indoor PM2.5 concentration sensors and outdoor PM2.5 concentration sensors, and the indoor PM2.5 concentration sensors are set
Put indoors, and be connected with the controller, for gathering indoor PM2.5 concentration informations in real time, and transmitted to the controller；
The outdoor PM2.5 concentration sensors include the first outdoor PM2.5 concentration sensors and the outer PM2.5 concentration sensing of second Room
Device；The first outdoor PM2.5 concentration sensors are arranged between the breeze fan and the PM2.5 clarifiers, for reality
When gather breeze fan output fresh air the first outdoor PM2.5 concentration informations and transmit to the controller；
The outer PM2.5 concentration sensors of the second Room be arranged on the PM2.5 clarifiers after, be connected with the controller, be used for
PM2.5 concentration informations outside the second Room of fresh air of the collection after the PM2.5 purification utensils in real time.
6. hospital air quality integrated monitoring apparatus according to claim 4, it is characterised in that the gas concentration lwevel
Sensor group includes indoor carbon dioxide concentration sensor and outdoor gas concentration lwevel sensor；
The indoor carbon dioxide concentration sensor is disposed in the interior, is connected with the controller, for gathering interior two in real time
Carbonoxide concentration information is simultaneously transmitted to the controller；
The outdoor gas concentration lwevel sensor is arranged in fresh air ajutage, is connected with the controller, for adopting in real time
Collect outdoor gas concentration lwevel information and transmit to the controller.
7. hospital air quality integrated monitoring apparatus according to claim 4, it is characterised in that the general volatile is organic
Thing concentration sensor group includes indoor total volatile organism concentration sensor and outdoor total volatile organism concentration sensor；
The indoor total volatile organism concentration sensor is disposed in the interior, is connected with the controller, for gathering in real time
Indoor total volatile organism concentration information；
The outdoor total volatile organism concentration sensor is arranged in fresh air ajutage, is connected with the controller, is used for
Outdoor total volatile organism concentration information is gathered in real time.
8. the hospital air quality integrated monitoring apparatus according to any one of claim 1 to 7, it is characterised in that the control
Device processed is PLC.
9. hospital air quality integrated monitoring apparatus according to claim 8, it is characterised in that the PLC is
SIEMENS PLC controller.
10. the hospital air quality integrated monitoring apparatus according to any one of claim 1 to 7, it is characterised in that the control
Device processed is DDC controllers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720382165.9U CN206695325U (en) | 2017-04-12 | 2017-04-12 | A kind of hospital air quality integrated monitoring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720382165.9U CN206695325U (en) | 2017-04-12 | 2017-04-12 | A kind of hospital air quality integrated monitoring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206695325U true CN206695325U (en) | 2017-12-01 |
Family
ID=60440751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720382165.9U Expired - Fee Related CN206695325U (en) | 2017-04-12 | 2017-04-12 | A kind of hospital air quality integrated monitoring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206695325U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111089403A (en) * | 2019-12-19 | 2020-05-01 | 陕西医标环境智能科技有限公司 | Ward air quality management system, method, processing terminal and readable storage medium |
| CN113531787A (en) * | 2021-07-21 | 2021-10-22 | 广东万江配电有限公司 | Fan control system and fan control method |
| GB2610948A (en) * | 2021-09-17 | 2023-03-22 | Air Purity Ltd | Aerosol control |
-
2017
- 2017-04-12 CN CN201720382165.9U patent/CN206695325U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111089403A (en) * | 2019-12-19 | 2020-05-01 | 陕西医标环境智能科技有限公司 | Ward air quality management system, method, processing terminal and readable storage medium |
| CN113531787A (en) * | 2021-07-21 | 2021-10-22 | 广东万江配电有限公司 | Fan control system and fan control method |
| GB2610948A (en) * | 2021-09-17 | 2023-03-22 | Air Purity Ltd | Aerosol control |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171201 Termination date: 20180412 |
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| CF01 | Termination of patent right due to non-payment of annual fee |