CN106765581A - A kind of tandem VMC between classroom - Google Patents
A kind of tandem VMC between classroom Download PDFInfo
- Publication number
- CN106765581A CN106765581A CN201710015924.2A CN201710015924A CN106765581A CN 106765581 A CN106765581 A CN 106765581A CN 201710015924 A CN201710015924 A CN 201710015924A CN 106765581 A CN106765581 A CN 106765581A
- Authority
- CN
- China
- Prior art keywords
- classroom
- unit
- air
- fresh air
- fan unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004140 cleaning Methods 0.000 claims abstract description 10
- 238000009423 ventilation Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000004887 air purification Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
- F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The present invention provides a kind of tandem VMC between classroom, the cleaning system is arranged between front end classroom (1) and end classroom (2), first fresh air unit is installed on the rear wall of front end classroom (1), first fresh air unit includes fan unit I (5), auxiliary hot cell (6) and filter element I (7), the air inlet connection outdoor of fan unit I (5) connects auxiliary hot cell (6) with its air outlet, auxiliary hot cell (6) connects filter element I (7), the first air vent (8) is opened up in the front wall of front end classroom (1), second fresh air unit is installed on the rear wall of the second classroom (9), the second fresh air unit includes fan unit II (10), first heat exchange unit I (11), fan unit III (12) and filter element II (13).The VMC is not used in single classroom, but is used between acting on adjacent classroom, and no longer independent laying air return pipeline in each classroom, time saving and energy saving, substantially reduces installation and use cost, low and beneficial to wideling popularize using threshold.
Description
Technical field
The present invention relates to air purification field, specially a kind of tandem VMC between classroom.
Background technology
Chinese Patent Application No. 2016203465274, on April 22 2016 applying date, discloses a kind of entitled:Classroom
With the utility application of New-air purifying system, the patent【0005】Section points out that " dust pollution is also that one of them is dashed forward
Go out feature, existing cleaning system air outlet and the first air inlet are generally arranged at one, for be blown into interior fresh air without
Classroom interior circulation may flow out from air outlet, and purification efficiency is low, and position air away from air outlet is difficult to be purified to, no
It is adapted to this public domain in classroom ", therefore the patent the【0007 section】Using " air outlet and return air inlet being respectively arranged on into classroom not
Same position, so as to realize the separately positioned of air intake and air-out ", the patent in order to fresh air is delivered into classroom everywhere, by religion
Pipeline with air outlet is installed on the wall of room to realize；Simultaneously for the ease of religion indoor air flows, by installing return air duct
Mode produce pressure differential, so as to return air is drained into outdoor by return air duct, for current classroom structure, especially
For teaching building, at least two crossbeams, root are carried in order to make classroom more solid, therefore on the top board in each classroom
Do not influence the overall space in classroom according to the pipeline for running pipeline experience and laying, can be tried one's best when running pipeline close to corner laying, if
Run into crossbeam and will be close to crossbeam by way of increasing elbow and laid rather than directly crossing crossbeam under crossbeam, it is right
For plumber, often increasing an elbow will further increase difficulty of construction and influence construction speed, it can be seen that, it is above-mentioned net
Change system needs install a large amount of pipelines between the walls in classroom could realize classroom inner air-cleaning, and the process wastes time and energy；It is existing
Climbed to a higher point successively in human cost, if installing a set of system in each classroom, Classroom air purification cost can be non-
It is often high, especially for this non-profit organization of school, bear cleaning system heavier and that whole teaching building cannot be completed
Transformation with install, therefore above-mentioned cleaning system and be unfavorable for wideling popularize and application for classroom cleaning system.
The content of the invention
The present invention is directed to above weak point, there is provided a kind of tandem VMC between classroom, the fresh air system
System is not used in single classroom, but enforcement of being gone forward side by side between acting on adjacent classroom is used, and is no longer individually spread in each classroom
It is time saving and energy saving if air return pipeline, installation and use cost are substantially reduced, it is low and beneficial to wideling popularize using threshold.
The technical solution adopted for the present invention to solve the technical problems is：The cleaning system is arranged on front end classroom and end
Between classroom, the first fresh air unit is installed on the rear wall in front end classroom, the first fresh air unit includes fan unit I, auxiliary heat
Unit and filter element I, the air inlet connection outdoor of fan unit I connect auxiliary hot cell, auxiliary hot cell connection with its air outlet
Filter element I, opens up the first air vent in the front wall in front end classroom, and the second fresh air is installed on the rear wall in the second classroom
Unit, the second fresh air unit includes fan unit II, the first heat exchange unit I, fan unit III and filter element II, wind
The air inlet of machine unit II connects the first air vent and the first heat exchange unit I, the air intake of fan unit III is connected with its air outlet
Mouth connection outdoor connects the first heat exchange unit I, the connection filter element II of the first heat exchange unit I, second with its air outlet
The second air vent is opened up in the front wall in classroom, be respectively mounted on wall behind the classroom between the second classroom and end classroom with
Second classroom identical fresh air unit and identical air vent is opened up respectively in its classroom front wall, in the front wall in end classroom
Tail-end blower fan unit is inlayed in the air vent of wall.
Fan unit, auxiliary hot cell, filter element and heat exchange unit belong to prior art, and above-mentioned technology is very
Ripe and be widely used in VMC, this cleaning system operation principle is：Air outdoor first sequentially passes through blower fan list
Suction, the heating of auxiliary hot cell and the filtering of filter element I of unit I form fresh air and are continuously blown in the classroom of front end, and fresh air exists
Front end classroom flow to front wall space and full of whole classroom always from rear wall space, due to devising the front wall in front end classroom
The first air vent is opened up on wall, the second fresh air unit is installed on the rear wall in the second classroom（The front wall in front end classroom is exactly
The rear wall in two classrooms）, fan unit II air inlet connect the first air vent the first heat exchange unit I is connected with its air outlet,
Air in the classroom of front end is extracted out and gone and by the first heat exchange list by the fan unit II in the second classroom by the first air vent
Unit I drains into outdoor again after heat is left, it can be seen that the backflow of front end religion room air does not have by any return duct
Road is carried out, and directly eliminates the operation that reflux line is laid in classroom, and previous religion room air is only by adjacent classroom blower fan
Unit is flowed back, while the fresh air inlet in each classroom just runs through whole classroom space, new wind energy with the position of outlet
It flow to after each corner in classroom and is drained into outdoor from another classroom again, air flow is fast, substantially increases containing in classroom
Oxygen amount and reduction carbon dioxide content；Air in the classroom of front end passes sequentially through the first air vent, the heat of fan unit II, first and hands over
Unit I is changed, outdoor is discharged to after heat is left by the first heat exchange unit I, the air outside the second classroom room is passed through successively
Fan unit III, the heat exchange of the first heat exchange unit I and the filtering of filter element II is crossed to form fresh air and be continuously blown second
In classroom, due to devising the first heat exchange unit I, the second fresh air unit in the second classroom does not have Design assistant heating, and
It is that the heat from front end Classroom air is left and exchanged to the fresh air in the second classroom by heat exchange, the design is effectively sharp
With from the atmospheric heat in the classroom of front end, it is equally known that number of student is more in classroom, imparted knowledge to students especially for present
Building, window good airproof performance, each student is equivalent to a thermal source in classroom, so the temperature in classroom is more many higher than outdoor,
The temperature in classroom air higher is directly immediately discharged to outdoor by the return air of existing VMC, enhances greenhouse effects；From
Second classroom classroom backward is all installed and the classroom identical fresh air unit, and the air return method in each classroom and front end religion
Mode between room and the second classroom is identical, and the mode of laying air return pipeline is not increased in addition, the front wall in end classroom
Air vent connection is outdoor, the air vent of the outdoor air-flow front wall formed with Indoor Natural in pressure differential, therefore end classroom
Place's natural back flow；As can be seen here, the air return of whole system eliminates the big laying of return duct, greatly reduces installation and makes
With cost, it is easy to promote；The system is not to be used individually in a classroom simultaneously, and be comparable to will it is many between classroom series connection
At one piece, more between classroom share the VMC, without individually all installing a set of fresh air system to each classroom as before
System, greatly reduces installation and the use cost of whole teaching building VMC；Latter classroom passes through heat exchange unit simultaneously
Heat from previous classroom is left, the previous heat in classroom no longer directly excludes outdoor, that is to say, that latter religion
The formation of the warm current of room is the warm air by means of previous, and the design concept is novel and ingenious, has effectively accomplished that energy-conservation subtracts
Row, applicant thinks that application should be widelyd popularize.
The present invention is devised, and the fresh air unit is designed as body structure and is suspended on the rear wall in each classroom,
Tail-end blower fan unit is inlayed in the air vent of the front wall in end classroom.
Brief description of the drawings
Fig. 1 show structural representation of the invention；
Fig. 2 show structural representation of the invention two.
Specific embodiment
The present invention will be described in detail with specific embodiment below in conjunction with the accompanying drawings：
It is as shown in Figure 1-2 a specific embodiment of the invention, the cleaning system is arranged on front end classroom 1 and end classroom 2
Between, the first fresh air unit is installed on the rear wall in front end classroom 1, the first fresh air unit includes that fan unit I 5, auxiliary heat are single
Unit 6 and filter element I 7, the air inlet connection outdoor of fan unit I 5 connect auxiliary hot cell 6 with its air outlet, and auxiliary hot cell 6 connects
Logical filter element I 7, opens up the first air vent 8 in the front wall in front end classroom 1, and the is installed on the rear wall in the second classroom 9
Two fresh air units, the second fresh air unit includes fan unit II 10, the first heat exchange unit I 11, the and of fan unit III 12
Filter element II 13, the air inlet of fan unit II 10 connects the first air vent 8 and the first heat exchange unit I is connected with its air outlet
11, the air inlet connection outdoor of fan unit III 12 connects the first heat exchange unit I 11, the first heat exchange unit with its air outlet
I 11 connection filter elements II 13, open up the second air vent 14 in the front wall in the second classroom 9, are taught in the second classroom 9 and end
It is respectively mounted on wall behind classroom between room 2 with the second classroom identical fresh air unit and is opened respectively in its classroom front wall
If identical air vent, tail-end blower fan unit 15 is inlayed in the air vent of the front wall in end classroom 2.
Blackboard is designed in the front wall in each classroom, therefore chalk dust is concentrated mainly on sky around front wall
Between, due to devising the vent design in each classroom in front wall, thus a large amount of dust can quickly be taken out from classroom
Go out, no longer allow dust to be spread in classroom；
In this example, the fresh air unit is designed as body structure and is suspended on the rear wall in each classroom, in end religion
Tail-end blower fan unit 15 is inlayed in the air vent of the front wall of room 2, the tail-end blower fan unit 15 accelerates air in end classroom 2
Backflow.
From figure 1 it appears that realizing air intake and return air by blower fan between the two ends in each classroom, the blower fan at two ends adds
The fast flowing of classroom interior air-flow, is more beneficial for teaching the continuous updating of room air, and the air quality allowed in classroom is consistently achieved
It is optimal；Using the larger blower fan of power, other fan units use work(to the fan unit I 5 of the first fresh air unit under normal circumstances
The less blower fan of rate.
It is as shown in Figure 14 classrooms, Fig. 2 show 3 classrooms, as long as the classroom in fact on same floor can
Using the system, if across stair between two classrooms, a pipeline can be set up above the stair between two classrooms,
That is might not adjacent and shared same wall body between classroom；Fan unit, auxiliary hot cell in the application, mistake
Filter unit, its technology of heat exchange unit be very conventional and technology maturation, but being mutually combined between the unit and classroom
Between without the series connection of air-flow between pipeline return air, classroom and mutually to borrow warm thinking be to propose first.
Claims (2)
1. a kind of tandem VMC between classroom, it is characterised in that：The cleaning system is arranged on front end classroom (1)
Between end classroom (2), the first fresh air unit is installed on the rear wall of front end classroom (1), the first fresh air unit includes wind
Machine unit I (5), auxiliary hot cell (6) and filter element I (7), the air inlet connection of fan unit I (5) is outdoor and its air outlet connects
Lead to auxiliary hot cell (6), auxiliary hot cell (6) connects filter element I (7), the first ventilation is opened up in the front wall of front end classroom (1)
Hole (8), installs the second fresh air unit on the rear wall of the second classroom (9), and the second fresh air unit includes fan unit II
(10), the first heat exchange unit I (11), fan unit III (12) and filter element II (13), the air intake of fan unit II (10)
Mouth the first air vent of connection (8) connects the first heat exchange unit I (11) with its air outlet, and the air inlet of fan unit III (12) connects
Logical outdoor connects the first heat exchange unit I (11), the connection filter element II of the first heat exchange unit I (11) with its air outlet
(13) the second air vent (14), is opened up in the front wall of the second classroom (9), between the second classroom (9) and end classroom (2)
Classroom after be respectively mounted with the second classroom identical fresh air unit on wall and open up identical respectively in its classroom front wall
Air vent.
2. a kind of tandem VMC between classroom according to claim 1, it is characterised in that：The fresh air
Unit is designed as body structure and is suspended on the rear wall in each classroom, in the air vent of the front wall of end classroom (2)
Inlay tail-end blower fan unit (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710015924.2A CN106765581B (en) | 2017-01-10 | 2017-01-10 | A serial-type new trend system for between classroom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710015924.2A CN106765581B (en) | 2017-01-10 | 2017-01-10 | A serial-type new trend system for between classroom |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106765581A true CN106765581A (en) | 2017-05-31 |
| CN106765581B CN106765581B (en) | 2023-11-03 |
Family
ID=58948838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710015924.2A Active CN106765581B (en) | 2017-01-10 | 2017-01-10 | A serial-type new trend system for between classroom |
Country Status (1)
| Country | Link |
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| CN (1) | CN106765581B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361937A (en) * | 2018-01-18 | 2018-08-03 | 上海广岚机电设备有限公司 | Intelligent central air conditioner energy-saving control method and system |
| CN108534292A (en) * | 2018-05-11 | 2018-09-14 | 泰安市蓝天净化科技有限公司 | The vertical parallel fresh air system of teaching building |
| CN111108330A (en) * | 2017-10-25 | 2020-05-05 | 陈韦任 | Heating, ventilating and air conditioning system and control method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5832473A (en) * | 1995-05-26 | 1998-11-03 | Starfish Software, Inc. | Information management system with user data-based user interface |
| CN203704192U (en) * | 2014-01-26 | 2014-07-09 | 广东省建筑科学研究院 | Air conditioning water system of hospital building |
| CN105299773A (en) * | 2015-11-12 | 2016-02-03 | 山西新华化工有限责任公司 | Fresh air purifier |
| WO2016023481A1 (en) * | 2014-08-13 | 2016-02-18 | 戴若夫 | Air conditioner having smog cleansing functions |
| CN205579753U (en) * | 2015-11-23 | 2016-09-14 | 湖南康帝电器有限公司 | Multi -functional air conditioner |
| CN206459260U (en) * | 2017-01-10 | 2017-09-01 | 张树信 | A kind of tandem VMC being used between classroom |
-
2017
- 2017-01-10 CN CN201710015924.2A patent/CN106765581B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5832473A (en) * | 1995-05-26 | 1998-11-03 | Starfish Software, Inc. | Information management system with user data-based user interface |
| CN203704192U (en) * | 2014-01-26 | 2014-07-09 | 广东省建筑科学研究院 | Air conditioning water system of hospital building |
| WO2016023481A1 (en) * | 2014-08-13 | 2016-02-18 | 戴若夫 | Air conditioner having smog cleansing functions |
| CN105299773A (en) * | 2015-11-12 | 2016-02-03 | 山西新华化工有限责任公司 | Fresh air purifier |
| CN205579753U (en) * | 2015-11-23 | 2016-09-14 | 湖南康帝电器有限公司 | Multi -functional air conditioner |
| CN206459260U (en) * | 2017-01-10 | 2017-09-01 | 张树信 | A kind of tandem VMC being used between classroom |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111108330A (en) * | 2017-10-25 | 2020-05-05 | 陈韦任 | Heating, ventilating and air conditioning system and control method thereof |
| CN111108330B (en) * | 2017-10-25 | 2021-07-30 | 陈韦任 | Heating, ventilating and air conditioning system and control method thereof |
| CN108361937A (en) * | 2018-01-18 | 2018-08-03 | 上海广岚机电设备有限公司 | Intelligent central air conditioner energy-saving control method and system |
| CN108361937B (en) * | 2018-01-18 | 2020-08-11 | 上海广岚机电设备有限公司 | Intelligent central air-conditioning energy-saving control method and system |
| CN108534292A (en) * | 2018-05-11 | 2018-09-14 | 泰安市蓝天净化科技有限公司 | The vertical parallel fresh air system of teaching building |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106765581B (en) | 2023-11-03 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20231007 Address after: No.206-6 Shanghai Road, Sanshui street, Jiangyan District, Taizhou City, Jiangsu Province 225300 Applicant after: JIANGSU ZHONGZHUANG CONSTRUCTION Co.,Ltd. Address before: No. 315, South Shanggao Village, Shanggao Office, Mount Taishan District, Tai'an City, Shandong Province, 271000 Applicant before: Zhang Shuxin |
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