CN103673208A - Temperature control method, device and system - Google Patents
Temperature control method, device and system Download PDFInfo
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- CN103673208A CN103673208A CN201210365007.4A CN201210365007A CN103673208A CN 103673208 A CN103673208 A CN 103673208A CN 201210365007 A CN201210365007 A CN 201210365007A CN 103673208 A CN103673208 A CN 103673208A
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Abstract
The invention discloses a temperature control method, device and system. The temperature control method includes the steps that the current indoor return air temperature T1, outdoor air temperature T2 and air conditioner inlet air temperature T3 are acquired; the proportion value of the airflow rate of indoor return air which enters an outdoor heat exchanger to the airflow rate of indoor return air which enters an air conditioner return air duct directly is adjusted based on the numerical relationship between the air conditioner inlet air temperature T3 and a preset temperature T0 and the numerical relationship between the indoor return air temperature T1 and the outdoor air temperature T2, and the adjusted air conditioner inlet air temperature T3 is controlled to approach the preset temperature T0, wherein the preset temperature T0 is an air conditioner inlet air temperature under which an air conditioner consumes the least energy to reach a preset temperature T, and indoor return air which is exhausted by the outdoor heat exchanger and has undergone heat exchange enters the air conditioner return air duct, is mixed with the indoor return air which directly enters the air conditioner return air duct, and then enters the air conditioner. The temperature control method, device and system can reduce energy consumption of the air conditioner.
Description
Technical field
The present invention relates to automatic control technology field, relate in particular to a kind of temperature-controlled process, Apparatus and system.
Background technology
Data center and communications equipment room, as the Main physical carrier of informationization technology, no matter be for common carrier, business company of third party Internet data center or other enterprise, are all being brought into play more and more important effect.Along with the development of development of Mobile Internet technology, the scale of data network and scope continuous expansion, service application quantity and the type supported constantly increase, and the demand of calculating and storage convergence is also being continued to increase.The construction of data center and communications equipment room presents the trend of extensive centralization, and power density improves constantly, and energy consumption continues soaring, becomes new big power consumer.Therefore, for the green energy conservation of data center and communications equipment room, required unprecedented height also referred.
In data center and communications equipment room, all will meet the humiture of environment and the requirement of cleanliness factor in room by precision air conditioner the whole year, and air conditioning energy consumption is very high, often accounts for the more than 40% of total energy consumption.Therefore guaranteeing under the prerequisite of equipment safety operation, reducing to greatest extent air conditioning energy consumption is energy-conservation key.Therefore, now increasing data center and communications equipment room start to utilize outdoor air to regulate indoor temperature, the temperature processed of instead of null regulation and control under certain condition, thus reach energy-conservation effect.
Use at present the more scheme of utilizing outdoor air to regulate the scheme of indoor temperature to be Intelligent hot exchange.Yet, to the utilization of Intelligent hot exchange, be as the supplementing of air-conditioning, with air-conditioning interlock alternate run,, when enabling Intelligent hot exchange, close air-conditioning, when inactive Intelligent hot exchanges, enable air-conditioning.And the scheme of Intelligent hot exchange, often need the indoor and outdoor temperature difference just can enable operation above at 10 ℃, cause utilizing outdoor air to regulate the time of indoor temperature very limited.And in the period of enabling Intelligent hot exchange, because air-conditioning is closed, other ambient parameters such as humidity, cleanliness factor are difficult to guarantee.
Summary of the invention
The embodiment of the present invention provides a kind of temperature-controlled process, Apparatus and system, in order to solve temperature, controls the higher problem of energy consumption.
The embodiment of the present invention provides a kind of temperature-controlled process, comprising:
Obtain current indoor return air temperature T1, outside air temperature T2 and air-conditioning EAT T3;
By the magnitude relationship based on air-conditioning EAT T3 and preset temperature T0, and the magnitude relationship of indoor return air temperature T1 and outside air temperature T2, to entering the air-flow size and the adjusting of ratio value of air-flow size that directly enters the indoor return air of air-conditioning return air pipeline of the indoor return air of outdoor heat exchanger, air-conditioning EAT T3 after control and regulation levels off to preset temperature T0, wherein, preset temperature T0 makes air-conditioning reach the air-conditioning EAT that design temperature T produces energy consumption minimum;
Wherein, the indoor return air of the process exchange heat that outdoor heat exchanger is discharged enters air-conditioning return air pipeline, after mixing, enters air-conditioning with the indoor return air that directly enters air-conditioning return air pipeline.
The embodiment of the present invention provides a kind of temperature control equipment, comprising:
Acquiring unit, for obtaining current indoor return air temperature T1, outside air temperature T2 and air-conditioning EAT T3;
Control module, for passing through the magnitude relationship based on air-conditioning EAT T3 and preset temperature T0, and the magnitude relationship of indoor return air temperature T1 and outside air temperature T2, to entering the air-flow size and the adjusting of ratio value of air-flow size that directly enters the indoor return air of air-conditioning return air pipeline of the indoor return air of outdoor heat exchanger, air-conditioning EAT T3 after control and regulation levels off to preset temperature T0, wherein, preset temperature T0 makes air-conditioning reach the air-conditioning EAT that design temperature T produces energy consumption minimum;
Wherein, the indoor return air of the process exchange heat that outdoor heat exchanger is discharged enters air-conditioning return air pipeline, after mixing, enters air-conditioning with the indoor return air that directly enters air-conditioning return air pipeline.
The embodiment of the present invention also provides a kind of Temperature-controlled appliance, comprises outdoor return air pipeline, controlled air-valve, outdoor heat exchanger, air-conditioning return air pipeline, air-conditioning, wherein:
Described controlled air-valve, is connected between outdoor return air pipeline outlet and outdoor heat exchanger air inlet, air-conditioning return air entrance;
The air outlet of described outdoor heat exchanger connects air-conditioning return air entrance;
The outlet of described air-conditioning return air pipeline connects air-conditioning.
The embodiment of the present invention also provides a kind of temperature control system, comprises outdoor return air pipeline, controlled air-valve, outdoor heat exchanger, air-conditioning return air pipeline, the first temperature sensor, the second temperature sensor, three-temperature sensor and controller, wherein:
The entrance of described outdoor return air pipeline and air-conditioner air outlet isolation, for the discharge of indoor return air;
Described controlled air-valve, be connected between outdoor return air pipeline outlet and outdoor heat exchanger air inlet, air-conditioning return air entrance, for the air-flow size of controlling the air-flow size of the indoor return air that enters described outdoor heat exchanger and directly entering the indoor return air of described air-conditioning return air pipeline;
The air outlet of described outdoor heat exchanger connects air-conditioning return air entrance, for carrying out discharging and entering air-conditioning return air pipeline after exchange heat to entering the indoor return air of described outdoor heat exchanger;
The outlet of described air-conditioning return air pipeline connects air-conditioning air inlet, mixes rear discharge enter air-conditioning for carrying out that described outdoor heat exchanger the is discharged indoor return air that indoor return air after exchange heat and described outdoor return air pipeline directly discharge;
Described the first temperature sensor, for detection of current indoor return air temperature T1;
Described the second temperature sensor, for detection of current outside air temperature T2;
Described three-temperature sensor, for detection of current air-conditioning EAT T3;
Described controller, indoor return air temperature T1, the outside air temperature T2 of described the second temperature sensor detection and the air-conditioning EAT T3 of described three-temperature sensor detection that for receiving described the first temperature sensor, detect; By the magnitude relationship based on air-conditioning EAT T3 and preset temperature T0, and the magnitude relationship of indoor return air temperature T1 and outside air temperature T2, utilize described controlled air-valve to entering the air-flow size and the adjusting of ratio value of air-flow size that directly enters the indoor return air of air-conditioning return air pipeline of the indoor return air of outdoor heat exchanger, air-conditioning EAT T3 after control and regulation levels off to preset temperature T0, wherein, preset temperature T0 makes air-conditioning reach the air-conditioning EAT that design temperature T produces energy consumption minimum.
Beneficial effect of the present invention comprises:
In the method that the embodiment of the present invention provides, magnitude relationship based on air-conditioning EAT T3 and preset temperature T0, the magnitude relationship of indoor return air temperature T1 and outside air temperature T2, adjusting enters the air-flow size and the ratio value of air-flow size that directly enters the indoor return air of air-conditioning return air pipeline of the indoor return air of outdoor heat exchanger, the indoor return air of the process exchange heat of discharging due to outdoor heat exchanger also enters air-conditioning return air pipeline, after mixing with the indoor return air that directly enters air-conditioning return air pipeline, enter air-conditioning, therefore regulate this ratio value can regulate air-conditioning EAT T3 to level off to preset temperature T0, reduced the temperature difference between air-conditioning EAT T3 and preset temperature T0, and then can reduce the energy consumption of air-conditioning.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for description, is used from explanation the present invention with the embodiment of the present invention one, is not construed as limiting the invention.In the accompanying drawings:
The flow chart of the temperature-controlled process that Fig. 1 provides for the embodiment of the present invention;
The detail flowchart of the temperature-controlled process that Fig. 2 provides for the embodiment of the present invention;
The structural representation of the temperature control equipment that Fig. 3 provides for the embodiment of the present invention;
The structure front view of the temperature control system that Fig. 4 provides for the embodiment of the present invention;
The structure top view of the temperature control system that Fig. 5 provides for the embodiment of the present invention.
The specific embodiment
In order to save air conditioning energy consumption, the embodiment of the present invention provides a kind of temperature-controlled process, Apparatus and system, below in conjunction with Figure of description, the preferred embodiments of the present invention are described, be to be understood that, preferred embodiment described herein only, for description and interpretation the present invention, is not intended to limit the present invention.And in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.
The embodiment of the present invention provides a kind of temperature-controlled process, as shown in Figure 1, comprises the steps:
Step 101: obtain current indoor return air temperature T1, outside air temperature T2 and air-conditioning EAT T3;
Step 102: by the magnitude relationship based on air-conditioning EAT T3 and preset temperature T0, and the magnitude relationship of indoor return air temperature T1 and outside air temperature T2, to entering the air-flow size and the adjusting of ratio value of air-flow size that directly enters the indoor return air of air-conditioning return air pipeline of the indoor return air of outdoor heat exchanger, air-conditioning EAT T3 after control and regulation levels off to preset temperature T0, wherein, preset temperature T0 makes air-conditioning reach the air-conditioning EAT that design temperature T produces energy consumption minimum;
Wherein, the indoor return air of the process exchange heat that outdoor heat exchanger is discharged enters air-conditioning return air pipeline, after mixing, enters air-conditioning with the indoor return air that directly enters air-conditioning return air pipeline.
Said temperature control method is applicable to data center and communications equipment room etc. need to carry out the accurate room of controlling to temperature.
Generally, preset temperature T0 is a little less than the design temperature of air-conditioning.
With specific embodiment, method provided by the invention is described in detail below.The detail flowchart of the temperature-controlled process that Fig. 2 provides for the embodiment of the present invention, specifically comprises the steps:
Step 201: obtain current indoor return air temperature T1, outside air temperature T2 and air-conditioning EAT T3.
Specifically can obtain by the temperature sensor in outdoor return air pipeline, in outdoor and air-conditioning intake stack.
Step 202: the magnitude relationship of judgement air-conditioning EAT T3 and preset temperature T0, wherein, preset temperature T0 makes air-conditioning reach the air-conditioning EAT that design temperature T produces energy consumption minimum.
When air-conditioning EAT T3 is less than preset temperature T0, enter step 203; When air-conditioning EAT T3 is greater than preset temperature T0, enter step 204; When air-conditioning EAT T3 equals preset temperature T0, enter step 205;
Preset temperature T0 can be a temperature value, can be also a temperature range.If preset temperature T0 is [T0
min, T0
max] temperature range, now, air-conditioning EAT T3 is greater than preset temperature T0 and refers to that air-conditioning EAT T3 is greater than T0
max, air-conditioning EAT T3 is less than preset temperature T0 and refers to that air-conditioning EAT T3 is less than T0
min, air-conditioning EAT T3 equals preset temperature T0 and refers to that air-conditioning EAT T3 is at [T0
min, T0
max] in scope.
When indoor return air temperature T1 is less than outside air temperature T2, enter step 206; When indoor return air temperature T1 is not less than outside air temperature T2, enter step 207.
This step can be also to judge whether indoor return air temperature T1 is not more than outside air temperature T2.
When indoor return air temperature T1 is not more than outside air temperature T2, enter step 206; When indoor return air temperature T1 is greater than outside air temperature T2, enter step 207.
For example,, when the indoor return air temperature T1 obtaining is that 25 ℃, outside air temperature T2 are that 30 ℃, air-conditioning EAT T3 are 26 ℃, when preset temperature T0 is 28 ℃, now, air-conditioning EAT T3 is less than preset temperature T0, and indoor return air temperature T1 is less than outside air temperature T2, enters step 206;
When the indoor return air temperature T1 obtaining is that 30 ℃, outside air temperature T2 are that 25 ℃, air-conditioning EAT T3 are 26 ℃, when preset temperature T0 is 28 ℃, now, air-conditioning EAT T3 is less than preset temperature T0, indoor return air temperature T1 is not less than outside air temperature T2, enters step 207.
When indoor return air temperature T1 is greater than outside air temperature T2, enter step 206; When indoor return air temperature T1 is not more than outside air temperature T2, enter step 207.
This step can be also to judge whether indoor return air temperature T1 is not less than outside air temperature T2.
When indoor return air temperature T1 is not less than outside air temperature T2, enter step 206; When indoor return air temperature T1 is less than outside air temperature T2, enter step 207.
For example,, when the indoor return air temperature T1 obtaining is that 30 ℃, outside air temperature T2 are that 25 ℃, air-conditioning EAT T3 are 28 ℃, when preset temperature T0 is 26 ℃, now, air-conditioning EAT T3 is greater than preset temperature T0, and indoor return air temperature T1 is greater than outside air temperature T2, enters step 206;
When the indoor return air temperature T1 obtaining is that 25 ℃, outside air temperature T2 are that 30 ℃, air-conditioning EAT T3 are 28 ℃, when preset temperature T0 is 26 ℃, now, air-conditioning EAT T3 is greater than preset temperature T0, indoor return air temperature T1 is not more than outside air temperature T2, enters step 207;
Maintain the air-flow size of the indoor return air that enters outdoor heat exchanger and directly enter the air-flow size of indoor return air of air-conditioning return air pipeline constant.
Return to step 201.
Regulate the air-flow of the indoor return air that enters outdoor heat exchanger to become large, the air-flow that directly enters the indoor return air of air-conditioning return air pipeline diminishes.
When closing the passage that directly enters air-conditioning return air pipeline, when indoor return air all enters outdoor heat exchanger, the air-flow size of indoor return air that enters outdoor heat exchanger is maximum with the ratio value of air-flow size of indoor return air that directly enters air-conditioning return air pipeline.
Return to step 201.
Regulate the air-flow of the indoor return air that enters outdoor heat exchanger to diminish, the air-flow that directly enters the indoor return air of air-conditioning return air pipeline becomes large.
When closing the passage that enters outdoor heat exchanger, when indoor return air all directly enters air-conditioning return air pipeline, the air-flow size of indoor return air that enters outdoor heat exchanger is minimum with the ratio value of air-flow size of indoor return air that directly enters air-conditioning return air pipeline.
Return to step 201.
The method that adopts the embodiment of the present invention to provide, adjusting enters the air-flow size and the ratio value of air-flow size that directly enters the indoor return air of air-conditioning return air pipeline of the indoor return air of outdoor heat exchanger, to regulate air-conditioning EAT T3 to level off to preset temperature T0, reduce the temperature difference between air-conditioning EAT T3 and preset temperature T0, and then can reduce the energy consumption of air-conditioning.And air-conditioning continuous service, can guarantee the requirement of other ambient parameters such as humidity, cleanliness factor.
Based on same inventive concept, the temperature-controlled process providing according to the above embodiment of the present invention, correspondingly, the embodiment of the present invention also provides a kind of temperature control equipment, and its structural representation as shown in Figure 3, specifically comprises:
Acquiring unit 301, for obtaining current indoor return air temperature T1, outside air temperature T2 and air-conditioning EAT T3;
Control module 302, for passing through the magnitude relationship based on air-conditioning EAT T3 and preset temperature T0, and the magnitude relationship of indoor return air temperature T1 and outside air temperature T2, to entering the air-flow size and the adjusting of ratio value of air-flow size that directly enters the indoor return air of air-conditioning return air pipeline of the indoor return air of outdoor heat exchanger, air-conditioning EAT T3 after control and regulation levels off to preset temperature T0, wherein, preset temperature T0 makes air-conditioning reach the air-conditioning EAT that design temperature T produces energy consumption minimum;
Wherein, the indoor return air of the process exchange heat that outdoor heat exchanger is discharged enters air-conditioning return air pipeline, after mixing, enters air-conditioning with the indoor return air that directly enters air-conditioning return air pipeline.
Further, control module 302, specifically for being greater than preset temperature T0 as air-conditioning EAT T3, when indoor return air temperature T1 is greater than outside air temperature T2, the air-flow size that regulates the indoor return air enter outdoor heat exchanger becomes large with the ratio value of air-flow size that directly enters the indoor return air of air-conditioning return air pipeline.
Further, control module 302, also specifically for regulating one of at least in the following way described ratio value:
First kind of way: T3 is greater than preset temperature T0 when air-conditioning EAT, when indoor return air temperature T1 is not more than outside air temperature T2, the air-flow size that regulates the indoor return air enter outdoor heat exchanger diminishes with the ratio value of air-flow size that directly enters the indoor return air of air-conditioning return air pipeline;
The second way: T3 is less than preset temperature T0 when air-conditioning EAT, when indoor return air temperature T1 is less than outside air temperature T2, the air-flow size that regulates the indoor return air enter outdoor heat exchanger becomes large with the ratio value of air-flow size that directly enters the indoor return air of air-conditioning return air pipeline;
The third mode: T3 is less than preset temperature T0 when air-conditioning EAT, when indoor return air temperature T1 is not less than outside air temperature T2, the air-flow size that regulates the indoor return air enter outdoor heat exchanger diminishes with the ratio value of air-flow size that directly enters the indoor return air of air-conditioning return air pipeline.
Further, control module 302, also for when air-conditioning EAT T3 equals preset temperature T0, maintains the air-flow size of the indoor return air that enters outdoor heat exchanger constant with the ratio value of air-flow size of indoor return air that directly enters air-conditioning return air pipeline.
Further, control module 302, specifically for entering the air-flow size and the ratio value of air-flow size that directly enters the indoor return air of air-conditioning return air pipeline of the indoor return air of outdoor heat exchanger by controlling controlled wind valve regulation.
Based on same inventive concept, the temperature-controlled process providing according to the above embodiment of the present invention, correspondingly, the embodiment of the present invention also provides a kind of Temperature-controlled appliance, comprise outdoor return air pipeline, controlled air-valve, outdoor heat exchanger, air-conditioning return air pipeline, air-conditioning, wherein:
Controlled air-valve is connected between outdoor return air pipeline outlet and outdoor heat exchanger air inlet, air-conditioning return air entrance;
The air outlet of outdoor heat exchanger connects air-conditioning return air entrance;
The outlet of air-conditioning return air pipeline connects air-conditioning.
Based on same inventive concept, the temperature-controlled process providing according to the above embodiment of the present invention, correspondingly, the embodiment of the present invention also provides a kind of temperature control system, its structure front view as shown in Figure 4, its structure top view as shown in Figure 5, specifically comprises outdoor return air pipeline 401, controlled air-valve 402, outdoor heat exchanger 403, air-conditioning return air pipeline 404, the first temperature sensor 405, the second temperature sensor 406, three-temperature sensor and controller 407, wherein:
The entrance of outdoor return air pipeline 401 and air-conditioning 408 air outlet isolation, for the discharge of indoor return air;
Controlled air-valve 402, be connected between outdoor return air pipeline 401 outlets and outdoor heat exchanger 403 air inlets, air-conditioning return air pipeline 404 entrances, for the air-flow size of controlling the air-flow size of the indoor return air that enters outdoor heat exchanger 403 and directly entering the indoor return air of air-conditioning return air pipeline 404;
The air outlet of outdoor heat exchanger 403 connects air-conditioning return air pipeline 404 entrances, for carrying out discharging and entering air-conditioning return air pipeline 404 after exchange heat to entering the indoor return air of outdoor heat exchanger 403;
The outlet of air-conditioning return air pipeline 404 connects air-conditioning 408 air inlets, mixes rear discharge enter air-conditioning 408 for carrying out that outdoor heat exchanger 403 the is discharged indoor return air that indoor return air after exchange heat and outdoor return air pipeline 401 directly discharge;
The first temperature sensor 405, for detection of current indoor return air temperature T1;
The second temperature sensor 406, for detection of current outside air temperature T2;
Three-temperature sensor 407, for detection of current air-conditioning EAT T3;
Controller, indoor return air temperature T1, the outside air temperature T2 of the second temperature sensor 406 detections and the air-conditioning EAT T3 of three-temperature sensor 407 detections that for receiving the first temperature sensor 405, detect; By the magnitude relationship based on air-conditioning EAT T3 and preset temperature T0, and the magnitude relationship of indoor return air temperature T1 and outside air temperature T2, utilize 402 pairs of controlled air-valves to enter the air-flow size and the adjusting of ratio value of air-flow size that directly enters the indoor return air of air-conditioning return air pipeline 404 of the indoor return air of outdoor heat exchanger 403, air-conditioning EAT T3 after control and regulation levels off to preset temperature T0, wherein, preset temperature T0 makes air-conditioning 408 reach the air-conditioning EAT that design temperature T produces energy consumption minimum.
In data center and communications equipment room, the entrance of outdoor return air pipeline 401 and air-conditioning 408 air outlet isolation can realize by putting with channel separation assembly (at least comprising access door 410 and passage top 411) of indoor machine cabinet 409.Can be by 409 minutes two back-to-back the putting of row of rack, by rack 409 and the indoor return air channel of channel separation module composition, be connected with the entrance of outdoor return air pipeline 401, the air that air-conditioning 408 air outlets blow out is filled in room surrounding, has realized entrance and the air-conditioning 408 air outlet isolation of outdoor return air pipeline 401.If erection unit space does not all need mounting block aerofoil in rack 409, rack 409 front and back are mesh door or without cabinet door, the interior equipment of rack 409 is from the anterior air-conditioning 408 air outlet air that suck of rack 409, equipment through operation enters the indoor return air channel consisting of the back-to-back rack 409 of two rows, barrier assembly, enters outdoor return air pipeline 401.
Preferably, controlled air-valve 402 is Electric air valve.
Outdoor heat exchanger 403 can be traditional plate type heat exchanger or heat exchange of heat pipe, also can be metal fin pipe heat exchanger.
Preferably, between the air outlet of outdoor heat exchanger 403 and air-conditioning 408 return air ducts, can install check valve 412 additional, to avoid the interior air of air-conditioning return air pipeline 404 to blow back in outdoor heat exchanger 403.
In each pipeline and in outdoor heat exchanger 403, also can install accessory fan 513 additional, to promote circulation of air.
If in certain areas, the outdoor maximum temperature of this area is still lower than indoor return air temperature, and under the outdoor minimum temperature of this area, indoor return air all enters the temperature that heat exchanger 403 carries out after exchange heat and is also not less than preset temperature, now can adopt the temperature control system of more simplifying.Adopt manual air-valve to replace Electric air valve, also do not need the first temperature sensor 405, the second temperature sensor 406 and three-temperature sensor 407 detected temperatures, all indoor return air is all undertaken entering air-conditioning 408 after exchange heat by heat exchanger 403 and extraneous air.
In sum, the scheme that the embodiment of the present invention provides, comprising: obtain current indoor return air temperature T1, outside air temperature T2 and air-conditioning EAT T3; By the magnitude relationship based on air-conditioning EAT T3 and preset temperature T0, and the magnitude relationship of indoor return air temperature T1 and outside air temperature T2, to entering the air-flow size and the adjusting of ratio value of air-flow size that directly enters the indoor return air of air-conditioning return air pipeline of the indoor return air of outdoor heat exchanger, air-conditioning EAT T3 after control and regulation levels off to preset temperature T0, wherein, preset temperature T0 makes air-conditioning reach the air-conditioning EAT that design temperature T produces energy consumption minimum; Wherein, the indoor return air of the process exchange heat that outdoor heat exchanger is discharged enters air-conditioning return air pipeline, after mixing, enters air-conditioning with the indoor return air that directly enters air-conditioning return air pipeline.The scheme that adopts the embodiment of the present invention to provide, can save air conditioning energy consumption.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (12)
1. a temperature-controlled process, is characterized in that, comprising:
Obtain current indoor return air temperature T1, outside air temperature T2 and air-conditioning EAT T3;
By the magnitude relationship based on air-conditioning EAT T3 and preset temperature T0, and the magnitude relationship of indoor return air temperature T1 and outside air temperature T2, to entering the air-flow size and the adjusting of ratio value of air-flow size that directly enters the indoor return air of air-conditioning return air pipeline of the indoor return air of outdoor heat exchanger, air-conditioning EAT T3 after control and regulation levels off to preset temperature T0, wherein, preset temperature T0 makes air-conditioning reach the air-conditioning EAT that design temperature T produces energy consumption minimum;
Wherein, the indoor return air of the process exchange heat that outdoor heat exchanger is discharged enters air-conditioning return air pipeline, after mixing, enters air-conditioning with the indoor return air that directly enters air-conditioning return air pipeline.
2. the method for claim 1, it is characterized in that, magnitude relationship based on air-conditioning EAT T3 and preset temperature T0, and the magnitude relationship of indoor return air temperature T1 and outside air temperature T2, adjusting enters the air-flow size and the ratio value of air-flow size that directly enters the indoor return air of air-conditioning return air pipeline of the indoor return air of outdoor heat exchanger, specifically comprises:
When air-conditioning EAT, T3 is greater than preset temperature T0, when indoor return air temperature T1 is greater than outside air temperature T2, the air-flow size that regulates the indoor return air enter outdoor heat exchanger becomes large with the ratio value of air-flow size that directly enters the indoor return air of air-conditioning return air pipeline.
3. method as claimed in claim 2, is characterized in that, also regulates one of at least in the following way described ratio value:
First kind of way: T3 is greater than preset temperature T0 when air-conditioning EAT, when indoor return air temperature T1 is not more than outside air temperature T2, the air-flow size that regulates the indoor return air enter outdoor heat exchanger diminishes with the ratio value of air-flow size that directly enters the indoor return air of air-conditioning return air pipeline;
The second way: T3 is less than preset temperature T0 when air-conditioning EAT, when indoor return air temperature T1 is less than outside air temperature T2, the air-flow size that regulates the indoor return air enter outdoor heat exchanger becomes large with the ratio value of air-flow size that directly enters the indoor return air of air-conditioning return air pipeline;
The third mode: T3 is less than preset temperature T0 when air-conditioning EAT, when indoor return air temperature T1 is not less than outside air temperature T2, the air-flow size that regulates the indoor return air enter outdoor heat exchanger diminishes with the ratio value of air-flow size that directly enters the indoor return air of air-conditioning return air pipeline.
4. method as claimed in claim 3, is characterized in that, also comprises:
When air-conditioning EAT T3 equals preset temperature T0, maintain the air-flow size of the indoor return air that enters outdoor heat exchanger constant with the ratio value of air-flow size of indoor return air that directly enters air-conditioning return air pipeline.
5. the method as described in claim 1-4 any one, is characterized in that, the air-flow size that regulates the indoor return air enter outdoor heat exchanger and the ratio value of air-flow size that directly enters the indoor return air of air-conditioning return air pipeline, be specially:
By controlling controlled wind valve regulation, enter the air-flow size and the ratio value of air-flow size that directly enters the indoor return air of air-conditioning return air pipeline of the indoor return air of outdoor heat exchanger.
6. a temperature control equipment, is characterized in that, comprising:
Acquiring unit, for obtaining current indoor return air temperature T1, outside air temperature T2 and air-conditioning EAT T3;
Control module, for passing through the magnitude relationship based on air-conditioning EAT T3 and preset temperature T0, and the magnitude relationship of indoor return air temperature T1 and outside air temperature T2, to entering the air-flow size and the adjusting of ratio value of air-flow size that directly enters the indoor return air of air-conditioning return air pipeline of the indoor return air of outdoor heat exchanger, air-conditioning EAT T3 after control and regulation levels off to preset temperature T0, wherein, preset temperature T0 makes air-conditioning reach the air-conditioning EAT that design temperature T produces energy consumption minimum;
Wherein, the indoor return air of the process exchange heat that outdoor heat exchanger is discharged enters air-conditioning return air pipeline, after mixing, enters air-conditioning with the indoor return air that directly enters air-conditioning return air pipeline.
7. device as claimed in claim 6, it is characterized in that, described control module, specifically for being greater than preset temperature T0 as air-conditioning EAT T3, when indoor return air temperature T1 is greater than outside air temperature T2, the air-flow size that regulates the indoor return air enter outdoor heat exchanger becomes large with the ratio value of air-flow size that directly enters the indoor return air of air-conditioning return air pipeline.
8. device as claimed in claim 7, is characterized in that, described control module, also specifically for regulating one of at least in the following way described ratio value:
First kind of way: T3 is greater than preset temperature T0 when air-conditioning EAT, when indoor return air temperature T1 is not more than outside air temperature T2, the air-flow size that regulates the indoor return air enter outdoor heat exchanger diminishes with the ratio value of air-flow size that directly enters the indoor return air of air-conditioning return air pipeline;
The second way: T3 is less than preset temperature T0 when air-conditioning EAT, when indoor return air temperature T1 is less than outside air temperature T2, the air-flow size that regulates the indoor return air enter outdoor heat exchanger becomes large with the ratio value of air-flow size that directly enters the indoor return air of air-conditioning return air pipeline;
The third mode: T3 is less than preset temperature T0 when air-conditioning EAT, when indoor return air temperature T1 is not less than outside air temperature T2, the air-flow size that regulates the indoor return air enter outdoor heat exchanger diminishes with the ratio value of air-flow size that directly enters the indoor return air of air-conditioning return air pipeline.
9. device as claimed in claim 8, it is characterized in that, described control module, also for when air-conditioning EAT T3 equals preset temperature T0, the air-flow size that maintains the indoor return air that enters outdoor heat exchanger is constant with the ratio value of air-flow size of indoor return air that directly enters air-conditioning return air pipeline.
10. the device as described in claim 6-9 any one, it is characterized in that, described control module, specifically for entering the air-flow size and the ratio value of air-flow size that directly enters the indoor return air of air-conditioning return air pipeline of the indoor return air of outdoor heat exchanger by controlling controlled wind valve regulation.
11. 1 kinds of Temperature-controlled appliances, is characterized in that, comprise outdoor return air pipeline, controlled air-valve, outdoor heat exchanger, air-conditioning return air pipeline, air-conditioning, wherein:
Described controlled air-valve, is connected between outdoor return air pipeline outlet and outdoor heat exchanger air inlet, air-conditioning return air entrance;
The air outlet of described outdoor heat exchanger connects air-conditioning return air entrance;
The outlet of described air-conditioning return air pipeline connects air-conditioning.
12. 1 kinds of temperature control systems, is characterized in that, comprise outdoor return air pipeline, controlled air-valve, outdoor heat exchanger, air-conditioning return air pipeline, the first temperature sensor, the second temperature sensor, three-temperature sensor and controller, wherein:
The entrance of described outdoor return air pipeline and air-conditioner air outlet isolation, for the discharge of indoor return air;
Described controlled air-valve, be connected between outdoor return air pipeline outlet and outdoor heat exchanger air inlet, air-conditioning return air entrance, for the air-flow size of controlling the air-flow size of the indoor return air that enters described outdoor heat exchanger and directly entering the indoor return air of described air-conditioning return air pipeline;
The air outlet of described outdoor heat exchanger connects air-conditioning return air entrance, for carrying out discharging and entering air-conditioning return air pipeline after exchange heat to entering the indoor return air of described outdoor heat exchanger;
The outlet of described air-conditioning return air pipeline connects air-conditioning air inlet, mixes rear discharge enter air-conditioning for carrying out that described outdoor heat exchanger the is discharged indoor return air that indoor return air after exchange heat and described outdoor return air pipeline directly discharge;
Described the first temperature sensor, for detection of current indoor return air temperature T1;
Described the second temperature sensor, for detection of current outside air temperature T2;
Described three-temperature sensor, for detection of current air-conditioning EAT T3;
Described controller, indoor return air temperature T1, the outside air temperature T2 of described the second temperature sensor detection and the air-conditioning EAT T3 of described three-temperature sensor detection that for receiving described the first temperature sensor, detect; By the magnitude relationship based on air-conditioning EAT T3 and preset temperature T0, and the magnitude relationship of indoor return air temperature T1 and outside air temperature T2, utilize described controlled air-valve to entering the air-flow size and the adjusting of ratio value of air-flow size that directly enters the indoor return air of air-conditioning return air pipeline of the indoor return air of outdoor heat exchanger, air-conditioning EAT T3 after control and regulation levels off to preset temperature T0, wherein, preset temperature T0 makes air-conditioning reach the air-conditioning EAT that design temperature T produces energy consumption minimum.
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