CN208750867U - Central air-conditioning with fresh air function - Google Patents
Central air-conditioning with fresh air function Download PDFInfo
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- CN208750867U CN208750867U CN201821373516.0U CN201821373516U CN208750867U CN 208750867 U CN208750867 U CN 208750867U CN 201821373516 U CN201821373516 U CN 201821373516U CN 208750867 U CN208750867 U CN 208750867U
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- air
- fresh air
- fresh
- conditioning
- function
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Abstract
The utility model provides a kind of central air-conditioning with fresh air function, including central air conditioner main machine, fan coil and total-heat exchanger, fan coil includes circulation fluid import, circulation fluid outlet and air outlet, central air conditioner main machine includes that circulation fluid geat and circulation fluid are answered back, circulation fluid geat is connected with circulation fluid import, circulation fluid is answered back to be connected with circulation fluid outlet, total-heat exchanger includes fresh air inlet and outlet, return air inlet and outlet, fresh air outlet is connected with the air outlet of fan coil, fresh air inlet is connected to outdoor, return air inlet is arranged indoors, return air outlet is connected to outdoor.By the setting of total-heat exchanger, in the case where considering indoor and outdoor air thermal energy, by wind in recovery room, outdoor fresh air is absorbed, and heat exchange is carried out to fresh air by return air, guarantee to save energy consumption in the case where fresh air.
Description
Technical field
The utility model relates to air-conditioning technicals, more particularly to the central air-conditioning with fresh air function.
Background technique
The use occasion of central air-conditioning is more and more.Currently, traditional central air-conditioning is generally only focused on and is provided into building
Changes in temperature tolerance number, or not provide fresh air.
Even if some, which are known as, provides the central air-conditioning of fresh air, recycled again after often also only recycling room air,
It can not be provided at all from outdoor air.This results in indoor air that can not carry out Efficient Cycle, and room air is for a long time
It is dirty.
In dirty air for a long time to, will lead to user's breathing and have some setbacks, be easy to make one headache agitation, it is long this with
It is past, user will be made to be easy infection respiratory disease, harm health.
Utility model content
To solve the above-mentioned problems, the purpose of this utility model is to provide a kind of central air-conditioning with fresh air function,
It can provide for interior from outdoor fresh air while guaranteeing to provide sufficient air-conditioning, guarantee indoor air matter
Amount.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of central air-conditioning with fresh air function, including central air conditioner main machine and fan coil, the fan coil packet
Circulation fluid import and circulation fluid outlet are included, central air conditioner main machine includes that circulation fluid geat and circulation fluid are answered back, the circulation fluid note
Mouth is connected with circulation fluid import by input duct, and the circulation fluid answers back to export with circulation fluid to be connected by back liquid pipeline, institute
Stating the central air-conditioning with fresh air function further includes total-heat exchanger, the total-heat exchanger include fresh air inlet, fresh air outlet,
Return air inlet and return air outlet, the fan coil further includes air outlet, and the fresh air outlet and the air outlet of fan coil are logical
It crosses the first fresh wind tube to be connected, the fresh air inlet is connected to outdoor by the second fresh wind tube, and the return air inlet passes through first time
Air hose is arranged indoors, and the return air outlet is by being connected to outdoor after the second backwind tube.
Utility model has the advantages that
While discarded to outdoor exclusion, the outdoor air fresh to indoor injection, and by the cold and hot cold of gas to be evacuated
Amount exchange guarantees the quality of room air to fresh air while reducing energy consumption.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the central air-conditioning with fresh air function of the utility model；
Fig. 2 is the circuit connection diagram of the central air-conditioning with fresh air function of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples:
Please refer to Fig. 1 and Fig. 2, a kind of central air-conditioning 100 with fresh air function, including central air conditioner main machine 10 and blower
Coil pipe 20, the fan coil 20 include circulation fluid import 201 and circulation fluid outlet 202, and central air conditioner main machine 10 includes circulation
Liquid geat 101 and circulation fluid answer back 102, and the circulation fluid geat 101 is connected with circulation fluid import 201 by input duct 301,
The circulation fluid, which is answered back, 102 to be connected with circulation fluid outlet 202 by back liquid pipeline 302.To which central air conditioner main machine 10 is by following
Ring liquid circulate to indoor air heat or freeze, complete heat exchange, the circulation fluid can be water, freon,
The refrigerants such as ammonia.
Central air-conditioning 100 further includes total-heat exchanger 40, and the total-heat exchanger 40 goes out including fresh air inlet 401, fresh air
Mouth 402, return air inlet 403 and return air outlet 404, the fan coil 20 further includes air outlet 203, the fresh air outlet 402
It is connected with the air outlet 203 of fan coil 20 by the first fresh wind tube 501, the fresh air inlet 401 passes through the second fresh wind tube 502
It is connected to outdoor, the return air inlet 403 is arranged indoors by the first backwind tube 503, and the return air outlet 404 passes through second
Outdoor is connected to after backwind tube 504.To, by the second fresh wind tube 502 from outdoor sucking fresh air, and by fresh air inlet 401 into
Enter total-heat exchanger 40, by the first backwind tube 503 from indoor sucking air, and Total heat exchange is entered by return air inlet 403
Device 40.
In refrigeration mode, the air that interior is recovered enters the fresh air of total-heat exchanger 40 by 40 pairs of total-heat exchanger
After carrying out refrigeration cool-down, outdoor is excluded via the second backwind tube 504 by return air outlet 404, and by the fresh air of refrigeration cool-down
Then by input chamber after the air outlet 203 of fresh air the 402, first fresh wind tube 501 of outlet and fan coil 20.
In heating mode, the air that interior is recovered enters the fresh air of total-heat exchanger 40 by 40 pairs of total-heat exchanger
After being heated, outdoor is excluded via the second backwind tube 504 by return air outlet 404, and then by the fresh air after heating humidification
By in input chamber after the air outlet 203 of fresh air the 402, first fresh wind tube 501 of outlet and fan coil 20.
The check valve that the central air-conditioning 100 with fresh air function further includes processor 60 and is electrically connected with processor 60
601, the check valve 601 is arranged on the second backwind tube 504 after return air outlet 404.The air of the check valve 601 is unidirectional
Flow direction is identical as the 404 direction direction of the second backwind tube 504 of return air outlet by total-heat exchanger 40.To guarantee return air
Flow direction can be directed toward outdoor from total-heat exchanger 40, and be removed to outdoor.
In other embodiments, the check valve 601 can be turned by shutter type vetilation fan and control shutter type vetilation fan
Dynamic motor replaces, and the motor is electrically connected with processor 60, and the shutter type vetilation fan is arranged on the second backwind tube 504
After return air outlet 404, the processor 60 is rotated by motor control shutter type vetilation fan, makes the air of shutter type vetilation fan
Flow direction is identical as the specified direction of second backwind tube 504 in the return air of total-heat exchanger 40 outlet 404.
In order to guarantee to input the quality of indoor fresh air, the central air-conditioning 100 with fresh air function further includes efficient
The second port of the fresh air pipeline 502 far from fresh air inlet 401 is arranged in air filter 70, the high efficiency particle air filter 70.
To can just enter total-heat exchanger 40 later first by high efficiency filter by the fresh air of outdoor sucking.The highly effective air
Filter 70 can have filtering function for V-BED efficient filter etc. and the component little to air speed influence, the V-BED are efficient
Strainer, which removably accommodates, to be arranged on the second port inner wall of the fresh air pipeline 502 far from fresh air inlet 401.To pass through V-
BED efficient filter connect to be filtered fresh air with seamless seal inside the port of the second fresh air pipeline 502.Certainly, described
High efficiency particulate air filter 203 can also with when the equipment such as HEPA high efficiency particulate air filter, can be 0.3 micron of (1/ of hair diameter to diameter
200) particle removal efficiency more than can reach 99.7% or more, be the most effective mistake of the pollutants such as smog, dust and bacterium
Filter medium.
Central air-conditioning 100 further includes exhaust fan 801 and frequency converter 802, and the exhaust fan 801 passes through frequency converter 802 and place
It manages device 60 to be electrically connected, the first port of the backwind tube 503 far from return air inlet 403 is arranged in the exhaust fan 801.To pass through change
The control of frequency device 802 can be adjusted exhaust fan 801 from the speed of indoor exhausting.
In order to more preparatively cooperate the work of total-heat exchanger 40, central air-conditioning 100 further includes the first baroceptor
901, first baroceptor 901 is electrically connected with processor 60, and first baroceptor 901 is arranged in the second return air
On pipe 504 after check valve 601.To which the pneumatic parameter fed back by the first baroceptor 901, processor 60 can be controlled
The working condition of check valve 601 processed.Central air-conditioning 100 further includes the second baroceptor 902, second baroceptor
902 are electrically connected with processor 60, and exhaust fan 801 and return air is arranged on the first backwind tube 503 in second baroceptor 902
Between entrance 403, so that the return air air pressure fed back by the second baroceptor 902, processor 60 can control exhaust fan 801
Working frequency, accelerate or slow down the exhausting of exhaust fan 801.
In the present embodiment, the air pressure that processor 60 is fed back in the second baroceptor 902 is less than the first air pressure sensing
Exhaust fan 801 is controlled by frequency converter 802 when device 901 and accelerates rotation, to accelerate return air amount, meets the return air of total-heat exchanger 40
Input and return air discharge capacity match, it is ensured that the work of total-heat exchanger 40 is smooth, and processor 60 is used in the second baroceptor
801 underdrive of exhaust fan is controlled by frequency converter 802 when 902 air pressure is greater than the first baroceptor 901, reduces return air amount
Sucking, to match total-heat exchanger 40.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of central air-conditioning with fresh air function, including central air conditioner main machine and fan coil, the fan coil include
Circulation fluid import and circulation fluid outlet, central air conditioner main machine includes that circulation fluid geat and circulation fluid are answered back, the circulation fluid geat
It is connected with circulation fluid import by input duct, the circulation fluid answers back to export with circulation fluid to be connected by back liquid pipeline, special
Sign is: the central air-conditioning with fresh air function further includes total-heat exchanger, the total-heat exchanger include fresh air inlet,
Fresh air outlet, return air inlet and return air outlet, the fan coil further includes air outlet, the fresh air outlet and fan coil
Air outlet is connected by the first fresh wind tube, and the fresh air inlet is connected to outdoor by the second fresh wind tube, and the return air inlet is logical
Cross the setting of the first backwind tube indoors, the return air outlet is by being connected to outdoor after the second backwind tube.
2. the central air-conditioning according to claim 1 with fresh air function, it is characterised in that: described with fresh air function
Central air-conditioning further includes processor and the check valve that is electrically connected with processor, and return air is arranged on the second backwind tube in the check valve
After outlet.
3. the central air-conditioning according to claim 2 with fresh air function, it is characterised in that: the air list of the check valve
It is identical as the return air outlet direction direction of the second backwind tube by total-heat exchanger to flow direction.
4. the central air-conditioning according to claim 1 with fresh air function, it is characterised in that: described with fresh air function
Central air-conditioning further includes the motor of shutter type vetilation fan and control shutter type vetilation fan rotation, and the motor is electrically connected with processor
It connects, the shutter type vetilation fan is arranged on the second backwind tube after return air outlet, and the processor passes through motor control blinds
The rotation of window ventilation fan, the return air of the air-flow direction and total-heat exchanger that make shutter type vetilation fan export specified second backwind tube
Direction it is identical.
5. the central air-conditioning according to claim 3 with fresh air function, it is characterised in that: described with fresh air function
Central air-conditioning further includes high efficiency particle air filter, and the high efficiency particle air filter is arranged in the second fresh air pipeline far from fresh air inlet
Port.
6. the central air-conditioning according to claim 5 with fresh air function, it is characterised in that: the high efficiency particle air filter
For V-BED efficient filter, the V-BED efficient filter, which removably accommodates, is arranged in the second fresh air pipeline far from fresh air inlet
On port inner wall.
7. the central air-conditioning according to claim 6 with fresh air function, it is characterised in that: described with fresh air function
Central air-conditioning further includes exhaust fan and frequency converter, and the exhaust fan is electrically connected by frequency converter with processor, and the exhaust fan is set
It sets in port of first backwind tube far from return air inlet.
8. the central air-conditioning according to claim 7 with fresh air function, it is characterised in that: described with fresh air function
Central air-conditioning further includes the first baroceptor, and first baroceptor is electrically connected with processor, first air pressure transmission
Sensor is arranged on the second backwind tube after check valve.
9. the central air-conditioning according to claim 8 with fresh air function, it is characterised in that: described with fresh air function
Central air-conditioning further includes the second baroceptor, and second baroceptor is electrically connected with processor, second air pressure transmission
Sensor is arranged on the first backwind tube between exhaust fan and return air inlet.
10. the central air-conditioning according to claim 9 with fresh air function, it is characterised in that: the processor is used for
Added when the air pressure of second baroceptor feedback is less than the air pressure that the first baroceptor is fed back by Frequency Converter Control exhaust fan
Speed rotation, the processor are used for when the air pressure that the second baroceptor is fed back is greater than the air pressure of the first baroceptor feedback
Pass through Frequency Converter Control exhaust fan underdrive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821373516.0U CN208750867U (en) | 2018-08-24 | 2018-08-24 | Central air-conditioning with fresh air function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821373516.0U CN208750867U (en) | 2018-08-24 | 2018-08-24 | Central air-conditioning with fresh air function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208750867U true CN208750867U (en) | 2019-04-16 |
Family
ID=66081064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821373516.0U Expired - Fee Related CN208750867U (en) | 2018-08-24 | 2018-08-24 | Central air-conditioning with fresh air function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208750867U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043999A (en) * | 2019-04-24 | 2019-07-23 | 中国科学院武汉病毒研究所 | A kind of biosecurity laboratory exhaust system and negative pressure keeping method and circulation sterilization method |
| CN111895527A (en) * | 2020-06-10 | 2020-11-06 | 曾祥东 | Air returning and heat exchanging type central air conditioning system for family |
| CN117928025A (en) * | 2024-03-18 | 2024-04-26 | 静创美(北京)环保科技有限公司 | Vertical fresh air conditioning equipment |
-
2018
- 2018-08-24 CN CN201821373516.0U patent/CN208750867U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043999A (en) * | 2019-04-24 | 2019-07-23 | 中国科学院武汉病毒研究所 | A kind of biosecurity laboratory exhaust system and negative pressure keeping method and circulation sterilization method |
| CN110043999B (en) * | 2019-04-24 | 2024-03-19 | 中国科学院武汉病毒研究所 | Exhaust system, negative pressure maintaining method and circulating disinfection method for biosafety laboratory |
| CN111895527A (en) * | 2020-06-10 | 2020-11-06 | 曾祥东 | Air returning and heat exchanging type central air conditioning system for family |
| CN117928025A (en) * | 2024-03-18 | 2024-04-26 | 静创美(北京)环保科技有限公司 | Vertical fresh air conditioning equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190416 |