CN104236056B - Intelligent total heat exchanger - Google Patents
Intelligent total heat exchanger Download PDFInfo
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- CN104236056B CN104236056B CN201310224954.6A CN201310224954A CN104236056B CN 104236056 B CN104236056 B CN 104236056B CN 201310224954 A CN201310224954 A CN 201310224954A CN 104236056 B CN104236056 B CN 104236056B
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Abstract
The invention discloses an intelligent total heat exchanger, wherein an air quality sensor can control the rotating speed of a fan; a fan speed setting machine can set the rotating speed of the fan at different times throughout the day, and can automatically control the rotating speed according to the time; an operation time accumulator can accumulate the whole machine starting time, can compare the whole machine starting time with the longest use time limiting value of a filter cotton pre-arranged in the controller, and controls the rotating mode of the fan according to the compared result; and the front-back pressure difference value of a pressure sensor is compared with the limit pressure difference value of the filter cotton pre-arranged in the controller, and an alarm is controlled to warn according to the compared result. The intelligent total heat exchanger can automatically control the rotating speed of the fan all day according to the living habits of general crowds, can monitor the indoor temperature and the outdoor temperature in real time, can automatically monitor the use time of the filter cotton and the sudden failure, and starts different rotating modes of the fan through monitoring the outdoor temperature to prevent the frost from forming on an impeller of the fan to cause unsmooth operation.
Description
Technical field
The present invention relates to a kind of total-heat exchanger, more particularly to a kind of intelligent total-heat exchanger.
Background technology
Gradually uprise with current city building air-tightness, air-conditioning become increasingly popular it is various with constructional ornamental material
Change, the air quality in people's daily life, working space goes from bad to worse, cause the long-term crowd in compared with closing space easy
There is the symptom of a vexed, nauseous, hypopnea and eyes throat pain, therefore keep between air in buildings and outside air
Convection current it is extremely important to health.Although current many buildings（Such as large-scale public place, workshop etc.）It is respectively mounted
There is an indoor and outdoor air convection device, or realize taking a breath with air-conditioning in household building, but aforesaid way is changed carrying out indoor and outdoor
During gas, need to consume the extra energy if it will keep indoor original temperature, need simultaneously to room air when such as summer takes a breath
Freezed, and winter is needed to heat room air simultaneously when taking a breath, and is so significantly increased the waste of the energy, is not inconsistent
The purpose of environmental protection and energy saving before being fated.Therefore there is ventilatory be widely used simultaneously with the total-heat exchanger for suppressing energy resource consumption
In the ventilating system in various relatively closing places.
Total-heat exchanger generally comprises two hot switching paths and a Total heat exchange core body, and one of hot switching path is used
Outdoor is discharged in guiding room air, another hot switching path is used to guide outdoor fresh air to interior, and heat exchange elements set
Put the air-flow intersection in two hot switching paths.During work, orthogonal thereto fork mode flows through core respectively for indoor exhaust wind and outdoor fresh air
During body, as two sidewind of splitter plate in core body has temperature and vapor partial pressure is poor, two strands of air-flows by demarcation strip are in
Existing heat and mass phenomenon, i.e., it is by using the Exchange of apparent heat of gas flow temperature difference between room air and outdoor fresh air and indoor
Between air and contained humidity in outdoor air, the latent heat of psychrometric difference exchanges to realize Total heat exchange process.During summer operation, newly
Wind obtains cold from indoor exhaust wind reduces temperature, while fresh air humidity is reduced；During winter operation, fresh air is obtained from indoor exhaust wind
Heat elevates the temperature, while fresh air humidity increases.So by the complete hot heat transfer process of heat exchange core body, fresh air is allowed to arrange from air-conditioning
Recover energy in wind.
The rotation speed of fan of general different shelves pre-set in the controller in current common total-heat exchanger, manually
By velocity of rotation of the key control blower fan under different periods different conditions, but as rotation speed of fan directly affects exchange efficiency, and
Indoor and outdoor temperature, one day day part demand of IAQ (indoor air quality) situation and people are not both needed to adjust rotation speed of fan on an equal basis, such as only lean on
Manual key adjustment then increased the inconvenience for using；In addition the maintenance and maintenance to filter element in whole machine is general by maintenance
Personnel make regular check on, or after whole machine cisco unity malfunction which is removed from ventilating system are detected, to determine problem,
So after whole machine can not operate, maintainer can not clearly know that problem is located in advance in actual use, therefore full heat is handed over
The maintenance and maintenance of parallel operation brings great inconvenience.
The content of the invention
In order to overcome above-mentioned technological deficiency, the invention provides a kind of intelligent total-heat exchanger, which can be according to interior
Air quality and people's daily life custom adjust automatically rotation speed of fan, the in addition maintenance to its self-filtering part set
Alert program has been determined to change in time or to keep in repair, and draught fan impeller rotation mode can have been changed automatically according to outdoor temperature, in advance
The frost occurred under anti-outdoor air inlet low temperature.
The technical scheme that adopted to solve above-mentioned technical problem of the present invention is：
A kind of intelligent total-heat exchanger, including a both sides respectively offer the housing of an air inlet and an air outlet,
The inner side of two air outlets respectively positions and is provided with a blower fan, and in housing, between two air inlets and two blower fans, positioning is provided with one
Total heat exchange core body, is formed with separate and can lead to for two heat exchanges that air-flow intersects each other in the Total heat exchange core body
Road, and the two ends of two hot switching paths are respectively connected with an air inlet and an air outlet；It is provided with filter cotton, the filter cotton
The detachable Total heat exchange core body that is positioned at is towards air inlet side；A controller is provided with, the controller and two blower fans are distinguished
Electrical connection and the rotating speed of two blower fans can be controlled, be provided with the controller air mass sensor, a blower fan set fast device,
One run time accumulator and an alarm, the air mass sensor can real-time detection IAQ (indoor air quality), and can
Gained air mass signal is compared with preset standard value in controller, and two rotation speed of fan are controlled according to comparison result；Institute
State blower fan and set fast device and can set in 24 hours different periods rotation speed of fan and rotation speed of fan is automatically controlled according to the time；The fortune
Row accumulated time device can add up the intelligent total-heat exchanger opening time and use with the filter cotton defaulted in controller
Most long time limit value is compared, and controls alarm equipment alarm according to comparison result；
A temperature sensor being electrically connected with the controller is provided with, the temperature sensor is fixedly arranged on the air inlet being located outside
And can real-time detection outdoor temperature, and outdoor temperature signal can be compared with the preset temperature value in controller, and according to
Comparison result controls the rotation mode of two blower fans；
Two pressure transducers being electrically connected with the controller respectively are provided with, two pressure transducer is fixedly arranged on respectively positioned at room
Interior air outlet and the air inlet being located outside, the controller can be calculated according to the pressure value obtained by two pressure transducers
Go out pressure difference before and after filter cotton, and the pressure difference can be compared with the default filter cotton limit pressure difference value in controller, and root
Alarm equipment alarm is controlled according to comparison result.
Its further technical scheme is：
The hexagonal structure of the Total heat exchange core body, and each edge of two groups of opposite side of hexagonal structure just enters to one
Air port or an air outlet, the filter cotton is detachable to be located towards on two sides of air inlet.
The rotation mode of two blower fans is batch (-type) rotation mode and continuous rotation pattern.Batch (-type) rotation mode is：
After blower fan keeps original rotating speed to run a time period, the corresponding time period out of service, then run with original rotating speed again；Continuously
Formula rotation mode is：Blower fan keeps original rotating speed continuously to run.If be installed with the controller display screen and dry run by
Key.
The present invention Advantageous Effects be：Air mass sensor in the intelligent total-heat exchanger can control wind
Machine rotating speed；Blower fan sets fast device and can set in 24 hours different periods rotation speed of fan and automatically control rotation speed of fan according to the time；
Run time accumulator can add up the intelligent total-heat exchanger opening time and make with the filter cotton defaulted in controller
Compared with most long time limit value, alarm equipment alarm is controlled according to comparison result；Temperature sensor is pre- with controller by outdoor temperature
If temperature is compared, and the rotation mode of two blower fans is controlled according to comparison result；Pressure difference and controller before and after pressure transducer
Interior default filter cotton limit pressure difference value is compared, and controls alarm equipment alarm according to comparison result.Above-mentioned pattern can be according to room
Interior air quality and people's daily life custom adjust automatically rotation speed of fan, the in addition maintenance to its self-filtering part
Alert program is set to change in time or to keep in repair, and draught fan impeller rotation mode can be changed automatically according to outdoor temperature,
The frost occurred under prevention outdoor air inlet low temperature.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Specific embodiment
With reference to Fig. 1, the present invention is described in further detail.
Total-heat exchanger of the present invention includes a housing 1, and the both sides of the housing 1 are equipped with an air outlet and and enter
Air port, the air inlet and air outlet during use on housing 1 towards interior space side are referred to as indoor air inlet and interior goes out
Air port, is referred to as outdoor air inlet and outdoor air outlet, indoor air intake towards the air inlet and air outlet of exterior space side
The inner side of mouth and outdoor air inlet respectively positions and is provided with a blower fan 2, respectively exhaust blower and pressure fan.It is provided with a Total heat exchange
Between core body 3, indoor and outdoor air inlet which is positioned in housing 1 and two blower fans 2, the total-heat exchanger 3 has been internally formed phase
Two hot switching paths that are mutually independent and can intersecting each other for air-flow, and hot switching path two ends respectively with indoor air intake
Mouth is connected with outdoor exhaust outlet, and another hot switching path two ends is connected with outdoor air inlet and indoor exhaust wind mouth respectively, described
Two hot switching paths between using defining with the heat exchange membrane of superior thermal.To make heat exchange farthest enter
OK, indoor air inlet is located on the diagonal of housing 1 with outdoor exhaust outlet, and outdoor air inlet is located at housing 1 with indoor exhaust wind mouth
Another diagonal on.In addition filter cotton 4 is installed Total heat exchange core body 3 is detachable towards at air inlet side, i.e.,
A filter cotton 4 is respectively equipped with air inlet and outdoor air inlet indoors, for stopping particulate matter larger in air-flow.
Total-heat exchanger of the present invention is provided with a controller 5, and the controller 5 is electrically connected with two blower fans 2, and should
Controller 5 can control the rotating speed of two blower fans.If the controller 5 is provided with a display screen and dry run button, wherein showing
Shield for showing the total-heat exchanger adjustment modes and various operational factors（Such as temperature, humidity, rotation speed of fan etc.）, operate button
For setting and adjusting the various operational factors of whole machine.And an air mass sensor, a blower fan are provided with the controller 5
If fast device, a run time accumulator and an alarm.Wherein air mass sensor being capable of real-time detection room air
Quality, and the air mass signal can be contrasted with the standard value in controller 5 is defaulted in, and according to comparison structure
The rotating speed of control blower fan 2, i.e., when real-time detection value is higher than standard value, controller 5 transmits a signal to two blower fans, rotation speed of fan
Increase, improve the discharge of the inlet and room air of outdoor fresh air, when real-time detection value is less than standard value, controller 5
Control rotation speed of fan returns to original rotating speed, to ensure maximum energy-saving state.
In controller 5, set blower fan sets fast device, can set different periods rotation speed of fan basis in whole day 24 hours
Time automatically controls rotation speed of fan.The embodiment of the present invention is set as four slotted modes, i.e., 8 point extremely according to general population's life style
12 are low grade, rotation speed of fan 300rpm；12 points to 17 points set middle-grade, rotation speed of fan 800rpm, and 17 points to 21 points set top grade, blower fan
Rotating speed 1400rpm；21 points to 8 points set sleep pattern, and rotation speed of fan 500rpm meets general population's rule orthobiosiss, intelligence
Change operation, effective use of energy sources voluntarily adjusts the wind in the required period in addition also dependent on the different living habit of individual subscriber
Speed.
In this outer controller 5 set run time accumulator can add up the intelligent total-heat exchanger opening time with
Default in the most long time limit value that the filter cotton 4 in controller can use to compare, and reported to the police according to comparison result control
Device is reported to the police.I.e. when the intelligent total-heat exchanger opening time maximum duration can be used more than or equal to filter cotton 4, controller
5 control alarm equipment alarm, prompting changing filter cotton.
Total-heat exchanger of the present invention is provided with a temperature sensor 6 electrically connected with controller 5, the temperature sensor
6 be fixedly arranged on the air inlet that is located outside and can real-time detection outdoor temperature, and can be by outdoor temperature signal and controller 5
Interior preset temperature value is compared, and the rotation mode of two blower fans 2 is controlled according to comparison result.In normal controller 5
Preset temperature value is frosting freezing temperature, i.e. zero degrees celsius, when the temperature value that temperature sensor 6 is detected is less than zero degrees celsius
When, controller 5 will control blower fan 2 and start batch (-type) rotation mode, and also referred to as defrosting mode, i.e. blower fan keeps original rotating speed operation
One time period（Generally 1 ~ 90 minute, voluntarily can adjust）Afterwards, the corresponding time period out of service（Generally 1 ~ 90 minute, can be certainly
Row is adjusted）, then run with original rotating speed again, so repeatedly, when the temperature value that temperature sensor 6 is detected is higher than pre-
If during temperature value（It is higher than zero degrees celsius）When, blower fan 2 starts continuous rotation pattern, i.e. blower fan 2 and keeps original rotating speed continuous
Operation.Frosting on draught fan impeller at low temperature is so desirably prevented, is caused to seize up.
Selected 3 hexagonal structure of Total heat exchange core body in the present invention, and two groups of opposite side in the hexagonal structure
Each edge just to an air inlet and an air outlet, filter cotton 4 is detachable to be located towards on the both sides side of air inlet.I.e.
On the basis of a line in hexagonal structure, just to indoor air inlet, then its opposite side is just to outdoor air outlet, one bar on the side
Adjacent side just to indoor exhaust wind mouth, the opposite side of the adjacent side just to outdoor air inlet, then the filter cotton 4 it is detachable be positioned at it is just right
On two sides of indoor air inlet and outdoor air inlet.Two pressure transducers 7 for electrically connecting with controller 5 respectively are provided with, should
Pressure transducer is fixedly arranged on respectively positioned at indoor air outlet and the air inlet being located outside, i.e. the two pressure transducers point
Before and after air inlet filter cotton She Yu be located outside, pressure transducer 7 can detect the pressure for flowing through this fluid at two,
And the two pressure values are transferred to controller 5 by gained, before and after controller 5 can calculate filter cotton according to the two pressure values
Pressure difference, and in controller 5, be preset with the limit pressure difference value of filter cotton, controller 5 will calculate gained pressure difference and limit pressure
Difference is contrasted, and when the former is more than or equal to the latter, illustrates filter cotton blockage phenomenon, then the control of controller 5 is reported to the police
Device warning, prompting changing or maintenance filter cotton.As blocking is more easy at outdoor air inlet, therefore only need to be in outdoor air inlet and room
Interior air outlet installs pressure transducer, installs pressure in other air outlet and air inlet also dependent on needs certainly and passes
Sensor.
Intelligent total-heat exchanger of the present invention can not only automatically control blower fan according to general population's living habit
Rotating speed in whole day 24 hours, carries out real-time measure and control to indoor and outdoor temperature, control quality etc., and can monitor automatically passage
The catastrophic failure of the use time and detection filter cotton of middle filter cotton, and by the automatic monitoring to outdoor temperature, open wind
The different rotation mode of machine, prevention frost etc. are formed so as to the operation for causing is not smooth on draught fan impeller.
Claims (3)
1. a kind of intelligent total-heat exchanger, an including both sides respectively offers the housing (1) of an air inlet and an air outlet,
The inner side of two air outlets respectively positions and is provided with a blower fan (2), positions and set in housing between two air inlets and two blower fans
Have a Total heat exchange core body (3), be formed with the Total heat exchange core body (3) it is separate and can intersect each other for air-flow two
Individual hot switching path, and the two ends of two hot switching paths are respectively connected with an air inlet and an air outlet；It is provided with filter cotton
(4), the detachable Total heat exchange core body (3) that is positioned at of the filter cotton is towards air inlet side；A controller (5) is provided with, should
Controller and two blower fans (2) are electrically connected and can control the rotating speed of two blower fans, it is characterised in that：
The hexagonal structure of the Total heat exchange core body (3), and each edge of two groups of opposite side of hexagonal structure just enters to one
Air port or an air outlet, the filter cotton (4) is detachable to be located towards on two sides of air inlet；
An air mass sensor, a blower fan are provided with the controller (5) and set fast device, a run time accumulator and a warning
Device, the air mass sensor can real-time detection IAQ (indoor air quality), and can by gained air mass signal with control
In device, preset standard value is compared, and controls two rotation speed of fan according to comparison result；The blower fan sets fast device, and can to set 24 little
When interior different periods rotation speed of fan rotation speed of fan is automatically controlled according to the time；The run time accumulator can add up the intelligence
The energy type total-heat exchanger opening time is simultaneously compared using most long time limit value with the filter cotton defaulted in controller, is tied according to comparing
Fruit control alarm equipment alarm；
A temperature sensor being electrically connected with the controller (6) is provided with, the temperature sensor is fixedly arranged on the air inlet being located outside
And can real-time detection outdoor temperature, and outdoor temperature signal can be compared with the preset temperature value in controller, and according to
Comparison result controls the rotation mode of two blower fans, and the rotation mode of two blower fans (2) is batch (-type) rotation mode and continuous
Formula rotation mode；
Two pressure transducers being electrically connected with the controller respectively (7) are provided with, two pressure transducer is fixedly arranged on respectively positioned at room
Interior air outlet and the air inlet being located outside, the controller can be calculated according to the pressure value obtained by two pressure transducers
Go out pressure difference before and after filter cotton, and the pressure difference can be compared with the default filter cotton limit pressure difference value in controller, and root
Alarm equipment alarm is controlled according to comparison result.
2. intelligent total-heat exchanger according to claim 1, it is characterised in that：Batch (-type) rotation mode is：Blower fan is protected
After holding original rotating speed one time period of operation, the corresponding time period out of service, then run with original rotating speed again；Continuous rotation
Pattern is：Blower fan keeps original rotating speed continuously to run.
3. intelligent total-heat exchanger according to claim 1, it is characterised in that：One is installed with the controller (5)
If display screen and dry run button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310224954.6A CN104236056B (en) | 2013-06-07 | 2013-06-07 | Intelligent total heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310224954.6A CN104236056B (en) | 2013-06-07 | 2013-06-07 | Intelligent total heat exchanger |
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| Publication Number | Publication Date |
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| CN104236056A CN104236056A (en) | 2014-12-24 |
| CN104236056B true CN104236056B (en) | 2017-04-26 |
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| CN201310224954.6A Active CN104236056B (en) | 2013-06-07 | 2013-06-07 | Intelligent total heat exchanger |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106032925A (en) * | 2015-03-13 | 2016-10-19 | 广东松下环境系统有限公司 | Ventilator |
| CN105072871A (en) * | 2015-07-31 | 2015-11-18 | 苏州海特温控技术有限公司 | Blocking-prevention plate heat exchanger for outdoor cabinet |
| CN105546673B (en) * | 2016-02-02 | 2019-06-04 | 中国建筑科学研究院有限公司 | Indoor environment control unit and building environment control system |
| WO2018032489A1 (en) * | 2016-08-19 | 2018-02-22 | 赵莹颖 | Intelligent air purification system |
| CN106989457B (en) * | 2017-05-13 | 2020-06-19 | 昆山斯莱姆节能科技有限公司 | New fan with automatic control function |
| CN111201405B (en) * | 2017-10-19 | 2021-08-03 | 三菱电机株式会社 | Heat exchange ventilator |
| CN113418253B (en) * | 2021-06-30 | 2023-02-24 | 深圳市英维克科技股份有限公司 | Indoor environment temperature adjusting device, control method, computer device and medium |
| CN114838410A (en) * | 2022-03-04 | 2022-08-02 | 青岛海尔空调器有限总公司 | Method and device for controlling air conditioner and air conditioner |
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| NL1031029C1 (en) * | 2006-01-30 | 2007-07-31 | Nefit B V | Climate control system with ventilation air heat recovery unit, uses outside air supply branch to deliver air to ventilation air supply path and combustion air to heater |
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| CN104236056A (en) | 2014-12-24 |
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