CN103471197A - Ventilating system and method for controlling temperature in chamber - Google Patents
Ventilating system and method for controlling temperature in chamber Download PDFInfo
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- CN103471197A CN103471197A CN2013104543750A CN201310454375A CN103471197A CN 103471197 A CN103471197 A CN 103471197A CN 2013104543750 A CN2013104543750 A CN 2013104543750A CN 201310454375 A CN201310454375 A CN 201310454375A CN 103471197 A CN103471197 A CN 103471197A
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Abstract
The invention discloses a ventilating system. The ventilating system comprises a buried pipe, a first temperature-humidity part, a control device, a switching device, an outdoor temperature-humidity part, a ventilating channel, a ventilating device and a second temperature-humidity part, wherein the first temperature-humidity part is arranged in an air outlet of the buried pipe; the switching device is arranged at the air outlet; the outdoor temperature-humidity part is arranged at the outer wall of a chamber; the ventilating channel penetrates through the top wall of the chamber; the ventilating device and the second temperature-humidity part are arranged at the top wall of the chamber. A method for controlling the temperature in the chamber comprises the following steps that the control device calculates and obtains an air-supplying enthalpy value according to a measuring value of the first temperature-humidity part; when the air-supplying enthalpy value is less than or equal to a preset enthalpy value, an instruction switching device of the control device is started to communicate the buried pipe and the chamber; and when a temperature measuring value measured by the outdoor temperature-humidity part is lower than a temperature measuring value measured by the second temperature-humidity part, the control device starts the ventilating device, or the closing of the ventilating device is maintained. The control device starts or stops the switching device and the ventilating device according to enthalpy-value judgment and temperature judgment. Therefore, the ventilating system and the method disclosed by the invention have the advantages that the energy in nature is used for reducing indoor temperature as possible, so that not only is the need of comfort met, but also the energy is saved.
Description
Technical field
The present invention relates to a kind of adjustment control technology field, especially relate to a kind of ventilating system and adopt this ventilating system to control the method for temperature in chamber.
Background technology
Traditional ventilation system for buildings need to be than high-energy source consumption and operating cost, according to statistics, the heating of building and cooling energy consumption account for annual more than 40% of total energy consumption in room, thereby with putting forward effect, will be to improve the effective means of building integral efficiency and comprehensive utilization rate of energy source from carrying out in this respect energy-conservation.
Existing civilian room and common rooms greatly mainly with fan coil or fan coil and floor heating be combined into main to room for the cold-peace heating, indoor fresh air carries out the supply of indoor fresh air by VMC (comprising corresponding Air Treatment Technology, as preheating, cooling, dehumidifying, humidification, filtration etc.) or the full heat recovery system of being combined with the indoor exhaust wind system.Primary energy ratio is on the low side, the room energy loss is larger, underutilization to low-grade energy, do not give full play to REGIONAL RESOURCES SUPERIORITY, the utilization of environmental energy, climate resources, hydrology soil resource is maximized, set up low energy consumption, environmental protection, effective room using energy source pattern with development prospect.
And the ventilating system of above-mentioned traditional form is not carried out systematized integration by the utilization of the collection of outdoor new wind, conveying, geothermal energy and rational air supply mode.In recent years, the continuous increase along with building and heating air conditioner energy consumption, utilize gravity-flow ventilation to improve indoor thermal comfort, improves indoor air quality, to reach energy-conservation purpose, seems particularly important.
CN202853040U discloses a kind of based on the multiple spot air intake and utilize the displaced type ventilating system of geothermal energy, comprise a plurality of air intakes unit, described air intake unit is communicated with the air outlet that indoor bottom arranges by air main, described air main is communicated with the air outlet that indoor bottom arranges, described air main is embedded in soil the geothermal energy exchange area that temperature is more stable, and what realized zones of different is the outdoor air collection; Air-intake device can, with integration of equipments such as outdoor lighting, sound equipments in one, increase the integrated function of air-intake device.Yet, although utilized the displaced type ventilating system of geothermal energy, can't judge wind that the displaced type ventilating system of this geothermal energy provides whether be applicable to passing into indoor, the burying environment underground and whether need to regulate of displaced type ventilating system that also can't observe heat energy.
Summary of the invention
For the one or more problems that exist in correlation technique, the object of the present invention is to provide a kind of method that there is the ventilating system of checkout equipment and control appliance and adopt temperature in this ventilating system control chamber, the control appliance of this ventilating system can judge whether according to the feedback of checkout gear to be blown, and this ventilating system comprises that pipe laying is auxiliarily changed the indoor wind unit that changes of wind.
The invention provides a kind of ventilating system, comprising: underground pipe has air outlet and air inlet air outlet and is communicated with chamber; Be provided with the indoor wind unit that changes on chamber; Be arranged at the first temperature humidity parts in air outlet; Control device, receive the transducing signal of the first temperature humidity parts and export the first switch order; Switching device shifter, be arranged on air opening end, and switching device shifter opens selectively or cuts out in response to the first switch order; Be arranged at the outdoor temperature humidity parts of chamber outer wall; Wherein, the indoor wind unit that changes comprises the vent passages that runs through the chamber roof, is arranged at ventilation unit and the second temperature humidity parts in vent passages; Wherein, control device is in response to the transducing signal of the outdoor temperature humidity parts that receive and the transducing signal of the second temperature humidity parts, open or close and control ventilation unit, when the energy of switching device shifter in opening and underground pipe conveying can not meet the temperature of chamber, ventilation unit is opened.
According to the present invention, also comprise: interior air inlet Temperature Humidity Sensor and the air velocity transducer of air inlet that is arranged at underground pipe; Be arranged at the first temperature sensor at the outer surface of the Buried Pipe Section of underground pipe; Be arranged at the second temperature sensor at the inner surface of the Buried Pipe Section of underground pipe; Control device receives the signal of air inlet Temperature Humidity Sensor, air velocity transducer, the first temperature sensor and the detection of the second temperature sensor and buries the parameter of environment with the output display underground pipe underground.
According to the present invention, the temperature sensor that the first temperature sensor is at least two equally spaced settings of the axis direction along the Buried Pipe Section of underground pipe; The temperature sensor that the second temperature sensor is at least two equally spaced settings of the axis direction along the Buried Pipe Section of underground pipe, the mean value of the temperature of the first temperature sensor, the second temperature sensor is for revising the temperature value of the first temperature humidity parts.
According to the present invention, ventilation unit comprises: be arranged at the axial flow blower on the ventilating path of vent passages and the power-operated shutter that is arranged at the vent passages madial wall.
According to the present invention, ventilating system also comprises the indoor temperature and humidity parts that are arranged at chamber interior; The indoor wind unit that changes also comprises the motorized window that is arranged at chamber sidewall; Wherein, control device, in response to the transducing signal of the indoor temperature and humidity parts that receive, opens or cuts out and control motorized window.
According to the present invention, also comprise: series connection is arranged on the new blower fan group between air outlet and chamber, in new blower fan group, is provided with one or more in filter, dehumidifier, heat exchanger and odor eliminator; Switching device shifter is Electric air valve.
The invention provides and a kind ofly adopt above-mentioned any one ventilating system to control the method for temperature in chamber, comprise the steps: step 1: the wind pushing temperature value that the first temperature humidity parts record and air-supply humidity value pass to control device, and control device calculates the air-supply enthalpy; Step 2: will blow enthalpy and default enthalpy of control device compares, and when the air-supply enthalpy is less than or equal to default enthalpy, control device instruction switching device shifter is opened, so that underground pipe and chamber communicate; Step 3: during measured temperature that the measured temperature recorded when outdoor temperature humidity parts records lower than the second temperature humidity parts, control device is opened ventilation unit, otherwise keeps ventilation unit to close.
According to the present invention, in step 3, under the situation of the measured temperature that measured temperature that outdoor temperature humidity parts record records lower than the second temperature humidity parts: if when the temperature difference of the two is more than or equal to 5 °, axial flow blower and the power-operated shutter in ventilation unit opened in the control device instruction simultaneously; Otherwise only open power-operated shutter.
According to the present invention, in step 3, under the situation of the measured temperature that measured temperature that outdoor temperature humidity parts record records lower than the second temperature humidity parts: if when the temperature difference of the two is less than 5 °; And, the second measured value that the first measured value recorded according to outdoor temperature humidity parts and indoor temperature and humidity parts record, control device calculates respectively the first enthalpy and the second enthalpy, and the first enthalpy is while being less than or equal to the second enthalpy, and motorized window is opened in the control device instruction.
According to the present invention, before calculating the air-supply enthalpy, the mean value of the first temperature sensor in ventilating system, the temperature of the second temperature sensor is for revising the temperature value of the first temperature humidity parts.
A kind of method that adopts above-mentioned ventilating system to control temperature in chamber comprises as step: step 1: the wind pushing temperature value recorded according to the first temperature humidity parts and air-supply humidity value, and control device calculates the air-supply enthalpy; Step 2: according to the comparative result of air-supply enthalpy and default enthalpy, open when the air-supply enthalpy is less than or equal to default enthalpy timed unit instruction switching device shifter, so that underground pipe and chamber communicate; Step 3: the second measured value that the first measured value recorded according to outdoor temperature humidity parts and indoor temperature and humidity parts record, control device calculates respectively the first enthalpy and the second enthalpy; Step 4: the temperature value in the first measured value is more than or equal to 3 ° lower than the temperature value in the second measured value and the two temperature difference, and the first enthalpy is while being less than or equal to the second enthalpy, and control device is opened motorized window.
Than prior art, beneficial effect of the present invention is:
By the first temperature humidity parts in the air outlet that is arranged at underground pipe to the control device transmitted signal, control device obtains temperature value and the humidity value in the underground pipe air outlet, and can calculate thus the air-supply enthalpy, and judge by control device whether the air-supply enthalpy meets ventilation standard and send the instruction of opening or closing to switching device shifter, can control thus chamber and whether utilize the air-supply of underground pipe to be ventilated.By the temperature in the more outdoor and vent passages of control device, open ventilation unit when meeting ventilation standard in addition, take to assist as indoor air-changing and ventilate, thereby further be reached for the effect of room temperature lowering.Use thus the natural energy for room temperature lowering as far as possible, both met the needs of comfortableness, saved again the energy.
The accompanying drawing explanation
Fig. 1 is the schematic diagram of first specific embodiment of ventilating system of the present invention;
Fig. 2 is the schematic diagram of second specific embodiment of ventilating system of the present invention;
Fig. 3 adopts ventilating system illustrated in fig. 1 to control the flow chart of the method for temperature in chamber;
Fig. 4 be adopt ventilating system illustrated in fig. 2 control temperature in chamber method flow chart;
Fig. 5 is the another kind of flow chart of controlling the method for temperature in chamber of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the invention is described.
With reference to Fig. 1, ventilating system of the present invention comprises underground pipe 1 with air inlet 2 and air outlet 3, be arranged at the first temperature humidity parts 4 in air outlet 3, be arranged at indoor wind unit, control device 9, the switching device shifter 11 of changing on chamber 6, wherein air outlet 3 is communicated with chamber 6, control device 9 receives the transducing signal of the first temperature humidity parts 4 and exports the first switch order, switching device shifter 11 is arranged on air outlet 3 ends, and switching device shifter 11 opens selectively or cuts out in response to the first switch order.Ventilating system of the present invention also comprises the outdoor temperature humidity parts 18 that are arranged at chamber 6 outer walls, and wherein, the indoor wind unit that changes comprises the vent passages 20 that runs through chamber 6 roofs, is arranged at ventilation unit and the second temperature humidity parts 22 in vent passages 20.Wherein, control device 9 is in response to the transducing signal of the outdoor temperature humidity parts 18 that receive and the transducing signal of the second temperature humidity parts 22, open or close and control ventilation unit, when the energy of switching device shifter 11 in opening and underground pipe 1 conveying can not meet the temperature of chamber 6, ventilation unit is opened.In other words, under the situation communicated with switching device shifter 11 between chamber 6 at underground pipe 1, underground pipe 1 to the energy of carrying in chamber 6 in order to chamber 6 Airs, to carry out heat exchange, if now outdoor temperature humidity parts 18 record the measured temperature in the vent passages that the outdoor temperature measured value records lower than the second temperature components 22, control device is opened 9 and is opened ventilation unit, even otherwise also close ventilation unit under switching device shifter 11 openings.
Ventilating system Selective Control switching device shifter 11 of the present invention opens or cuts out, and optionally by opening or close switching device shifter 11, is communicated with or disconnects chamber 6 and air outlet 3, thereby controlling underground pipe 1 air feed situation.Especially, in Fig. 1, with the dotted line with arrow, mean that the second temperature humidity parts 22 are sent to control device 9 by transducing signal, remaining part and sensor are identical with it with the signal transmission of 9 of control device, no longer illustrate.Particularly, the air outlet 3 of underground pipe 1 will be for exporting through underground pipe heating or cooling air, and preferably as shown in fig. 1, air outlet 3 protrudes from soil to be easy for installation and removal.Preferably, this ventilating system is communicated with air outlet 2 and chambers 6 by pipeline 10, and switching device shifter 11 be Electric air valve, and the opening and closing by Electric air valve make between chamber 6 and air outlet 3 to be communicated with or disconnection.The first temperature humidity parts 4 send temperature signal and moisture signal to control device 9, control device 9 receives this temperature signal and the moisture signal temperature and humidity interior with acquisition underground pipe air outlet 3, can obtain the temperature and humidity through the cooled air of underground pipe, that is to say the temperature and humidity that can obtain the air for carrying in chamber.Control system 9 can judge whether the underground pipe air-supply meets the interior air-conditioning requirement of chamber 6 and send the first switch order according to said temperature and humidity, switching device shifter 11 response the first switch orders are opened or close, be that control system 9 is sent open command, switching device shifter 11 is opened chamber 6 and air outlet 3 is communicated with, and underground pipe 1 can be chamber 6 air-supplies; Control system 9 is sent out code, and switching device shifter 11 cuts out the connection that makes chamber 6 and air outlet 3 and disconnects, and underground pipe 1 can not be chamber 6 air-supplies.In one embodiment of the invention, chamber 6 is the chamber in building.
With reference to Fig. 3, under the situation that need to be lowered the temperature to chamber 6, the method that adopts above-mentioned ventilating system to control temperature in chamber comprises the following steps:
Step 1: the wind pushing temperature value t2 that the first temperature humidity parts 4 record and air-supply humidity value d2 pass to control device 9, and control device 9 calculates air-supply enthalpy i2;
Step 2: will blow enthalpy i2 and default enthalpy i1 of control device 9 compares, and when air-supply enthalpy i2 is less than or equal to default enthalpy i1, control device 9 instruction switching device shifters 11 are opened, so that underground pipe 1 and chamber 6 communicate.
That is the wind pushing temperature value t2 that, at first control device 9 records according to the first temperature humidity parts 4 and air-supply humidity value d2 calculate air-supply enthalpy i2.Then, judged, if air-supply enthalpy i2 is less than or equal to default enthalpy i1, thereby control device 9 is controlled switching device shifter, 11 unlatchings make air outlet 3 be communicated with chamber 6, if air-supply enthalpy i2 is less than default enthalpy i1, thereby control device 9 controls switching device shifters 11 and cuts out the disconnection that is communicated with that makes air outlet 3 and chamber 6.Above temperature detection signal based on the first temperature humidity parts 4 and the enthalpy of Humidity Detection signal acquisition, and the enthalpy comparison of carrying out subsequently and obtain the first switch order, in fact just can be expressed as: control device 9 receives the transducing signal of the first temperature humidity parts 4 and exports the first switch order.Particularly, enthalpy can calculate by the enthalpy computing formula, and this computing formula is:
I=1.01t+ (2500+1.84t) d or i=(1.0l+1.84d) t+2500d (kJ/ (kg dry air))
In formula: the t--air themperature (℃);
The water capacity of d--air (g/ (kg dry air));
1.01--the average specific heat at constant pressure of dry air (kJ/ (kgK));
1.84--the average specific heat at constant pressure of steam (kJ/ (kgK));
The latent heat of vaporization of water (kJ/kg) in the time of 2500--0 ℃.
That is to say, wind pushing temperature value t2 and air-supply humidity value d2 are calculated to air-supply enthalpy i2 by the enthalpy computing formula.This air-supply enthalpy i2 is just for heating or enthalpy cooled, that send into the air in chamber 6 through underground pipe 1.And default enthalpy i1 is the enthalpy definite according to people's comfort level, that is, when the enthalpy of surrounding air is default enthalpy i1, the people feels pleasant in this environment.This default enthalpy can be by setting preset temperature value t1 and setting default humidity value t2 also by above-mentioned formula calculative determination, also can be by adopting equivalent temperature and PMV control strategy, determine in the indoor operating mode of energy-saving run reached under same comfort level condition, be that temperature is slightly high, regulate by humidity and wind speed, realize energy-conservation operational mode under same comfort level condition.When control device 9 is judged, when air-supply enthalpy i2 is less than or equal to default enthalpy i1, through underground pipe heating or cooling air, meet the demands, can meet people's comfort level requirement, so control device 9 sends open command, switching device shifter 11 is opened air outlet 3 is communicated with chamber 6, the wind by air outlet 3 outputs imports in chamber 6, be thereby that switching device shifter 11 is opened and is communicated with chamber 6 and air outlets 3 in this specific embodiment, will heat in underground pipe 1 or cooled air is transported in chamber 6.On the contrary, when air-supply enthalpy i2 is less than default enthalpy i1, control device 9 sends out code, and switching device shifter 11 cuts out the disconnection that is communicated with that makes air outlet 3 and chamber 6, the wind by air outlet 3 output can not import chamber 6, in this specific embodiment for not make the wind in underground pipe 1 enter chamber 6.Obviously, control device 9 is in response to the temperature detection signal of the first temperature humidity parts 4 and Humidity Detection signal and exports the first switch order.
System thus, the first temperature humidity parts 4 interior by the air outlet 3 that is arranged at underground pipe 1 are to control device 9 transmitted signals, temperature value and humidity value that control device 9 obtains in underground pipe air outlet 3, and can calculate thus the enthalpy of underground pipe air-supply, judge whether it meets air-conditioning requirement, thereby send the instruction of opening or closing to switching device shifter 11, whether can control thus chamber 6 utilizes the air-supply of underground pipe to be ventilated, thereby reach the purpose of utilizing natural energy resources to be room temperature lowering, saved the energy.
In addition, as above-mentioned, ventilating system of the present invention also comprises indoor wind unit and the outdoor temperature humidity parts 18 of changing, with further reference to Fig. 1, vent passages 20 connects chamber 6 roofs, and chamber 6 can carry out by vent passages 20 exchanging with the air-flow of outside air on the direction perpendicular to ground.Ventilation unit and the second temperature humidity parts 22 are set in vent passages 20, ventilation unit circulates by the exchange of vent passages 20 for inner air and the extraneous air of accelerating chamber 6, and temperature value and the humidity value of the second temperature humidity parts 22 for measuring vent passages 20.Preferably, ventilation unit comprises the axial flow blower 21 on the ventilating path that is arranged at vent passages 20 and the power-operated shutter 23 that is arranged at vent passages 20 madial walls.Wherein, the ventilating path of vent passages 20 is vent passages 20 carries out the passage with the exchange of the air-flow of outside air on the direction perpendicular to ground.Power-operated shutter 23 is arranged at vent passages 20 sidewalls, preferred vent passages 20 has the sidewall of four outstanding chambers 6, power-operated shutter 23 is set respectively on each sidewall, when power-operated shutter 23 is opened, the air that chamber 6 extraneous airs can enter in vent passages 20 or vent passages 20 by power-operated shutter 23 can flow to chamber 6 outsides by power-operated shutter 23, can selectively open a power-operated shutter according to the characteristics of wind direction, reach air intake or the air-out of best effects simultaneously.Outdoor temperature humidity parts 18 are arranged at chamber 6 outer walls, and the outside that outdoor temperature humidity parts 18 are arranged on chamber 6 sends control device 9 to the temperature and humidity of the air of the outside of measuring chamber 6 and with the form of signal.In addition, temperature, humidity that the second temperature humidity parts 22 detect can send to the form of transducing signal control device 9, and control device 9 can judge whether to open ventilation unit according to said temperature and moisture measurement value.
When utilizing underground pipe to ventilate, that is, with further reference to Fig. 3, carry out above-mentioned steps 1 and the rear underground pipe 1 of step 2 in being the state of chamber 6 air-supplies, further perform step 3.Step 3 is: during measured temperature that the measured temperature recorded when outdoor temperature humidity parts 18 records lower than the second temperature humidity parts 22 (, the energy that is transported to chamber 6 in opening and underground pipe 1 when aforesaid switching device shifter 11 can not meet the temperature of chamber 6), control device 9 is opened ventilation unit, otherwise keeps ventilation unit to close.Further, if when the temperature difference of the two is more than or equal to 5 °, axial flow blower 21 and the power-operated shutter 23 in ventilation unit opened in control device 9 instructions simultaneously; Otherwise only open power-operated shutter 23.Thus, ventilation unit is accelerated the inner air and the exchange circulation of extraneous air by vent passages 20 of chamber 6, makes the air change of current that air that the temperature of chamber 6 inside is higher and the temperature of chamber 6 outsides are lower lead to, thus the decline of the temperature of chamber 6 inside.To sum up, at needs during for chamber 6 internal cooling, the measured temperature that control device 9 measured temperature that relatively outdoor temperature humidity parts 18 record and the second temperature humidity parts 22 record, when the measured temperature that the measured temperature recorded when outdoor temperature humidity parts 18 records lower than the second temperature humidity parts 22 and the two temperature difference are more than or equal to 5 °, control device 9 Control Shaft flow fans 21 and power-operated shutter 23 are opened, inner air and the extraneous air of being accelerated chamber 6 by axial flow blower 21 circulate by the exchange of vent passages 20, make the air change of current that the temperature of air that the temperature of chamber 6 inside is higher and chamber 6 outsides is lower logical, thereby the temperature of chamber 6 inside descends, and, power-operated shutter 23 is opened, can strengthen on vent passages 20 area that carries out inner air and outer air exchange circulation, thereby inner air and the extraneous air of accelerating chamber 6 circulate by the exchange of vent passages 20, and then the higher air of the temperature that makes chamber 6 inside and the lower air change of current of chamber 6 external temperatures logical, further reduce the temperature of chamber 6 inside.And the measured temperature that the measured temperature recorded when outdoor temperature humidity parts 18 records lower than the second temperature humidity parts 22 and the two temperature difference be while being less than 5 °, control device 9 is controlled power-operated shutters 23 and is opened.That is,, because internal-external temperature difference is little, only by opening power-operated shutter 23, just can meet the cooling requirement for chamber 6 inside, so only open power-operated shutter 23.In addition, when needs heat up for chamber 6 is inner, during winter, control device 9 controls power-operated shutters 23 and cuts out.
With reference to Fig. 2, in second specific embodiment of the present invention, ventilating system also comprises air inlet Temperature Humidity Sensor 12, air velocity transducer 14, the first temperature sensor 15, the second temperature sensor 16.Wherein, air inlet Temperature Humidity Sensor 12 and air velocity transducer 14 are arranged in the air inlet 2 of underground pipe 1, for detection of temperature and humidity and the intake velocity of the air that enters underground pipe 1.Underground pipe 1 is set to have horizontally disposed Buried Pipe Section, and the air intake pipeline section and the air-out pipeline section that form air inlet and air outlet in the bending of Buried Pipe Section two ends.Wherein the first temperature sensor 15 is arranged at the outer surface of the Buried Pipe Section of underground pipe 1, and the temperature of environment (soil) is buried on the surface contacted with soil at underground pipe 1 underground for measurement.The second temperature sensor 16 is arranged at the inner surface of the Buried Pipe Section of underground pipe 1, and the second temperature sensor 16 is arranged in underground pipe 1, and can measure the temperature of underground pipe 1 at the air of Buried Pipe Section inside.Preferably, equally spacedly be provided with 7 the first temperature sensors 15 and equally spacedly be provided with 7 the second temperature sensors 16, underground pipe 1 is set to pvc pipe material or the pipe of cement that length is 200 meters, the first temperature sensor 15, the temperature value of the second temperature sensor 16 is for revising the temperature value of the first temperature humidity parts 4, the mean value of 7 the first temperature sensors 15 and 7 the second temperature sensors 16 as the temperature value of revising the first temperature humidity parts 4 (, replace the temperature value of the first temperature humidity parts 4 with above-mentioned mean value) calculate wind pushing temperature value t2, control device 9 calculates air-supply enthalpy i2 according to the wind pushing temperature value t2 calculated after revising and air-supply humidity value d2, thereby be conducive to more accurately control device 9 precision maneuvers, guarantee to provide accurately the energy.Wherein, the signal that control device 9 reception air inlet Temperature Humidity Sensors 12, air velocity transducer 14, the first temperature sensor 15 and the second temperature sensor 16 detect is buried the parameter (being temperature detection result and the measuring wind speed result of above-mentioned diverse location) of environment underground with the output display underground pipe.And the base area pipe laying is buried the parameter of environment underground, pipe laying 1 is at the ventilation state of burial place definitely.
Particularly, the parameter of burying environment underground of underground pipe 1 comprises the temperature and humidity at the air inlet place recorded by air inlet Temperature Humidity Sensor 12, the wind speed recorded by air velocity transducer 14, the underground pipe internal temperature of burying environment temperature (being the soil moisture) underground and being recorded by the second temperature sensor 16 recorded by the first temperature sensor 15.Wherein, the temperature and humidity at air inlet place and wind speed are used for pipe laying ventilation state or regulating system operation demand definitely, bury the impact on soil for research and analysis ventilated environment parameter on the one hand of environment temperature and underground pipe internal temperature underground, (" new wind " fingering herein enters underground pipe also will be cooling or heating by underground pipe 1 to study on the other hand the cooling or heating process of new wind in underground pipe 1, import the wind of chamber 6), , because the Buried Pipe Section along underground pipe 1 arranges a plurality of the first temperature sensors 15 and the second temperature sensor 16, can detect new wind flows in the process of air outlet 3 in the temperature of diverse location and at the soil moisture of diverse location at the air inlet 2 from underground pipe 1, thus by the soil moisture of diverse location and the measured value of underground pipe internal temperature, cooling or the heating process of new wind in underground pipe 1 of both can having analyzed and researched, again can be with reference to this cooling or heating process analysis and research soil along the variations in temperature of new wind flow direction, thereby the considerable heat transfer effect of measuring this underground pipe 1 and this heat transfer process impact on the soil moisture.Further, detection by above-mentioned parameter, can analyze under continuous operation and intermitten service, the variation of the soil moisture under different ventilation condition, analyze the equilibrium temperature of soil, analyze the heat-obtaining ventilated and get cold energy power, and then adjust the burial place of underground pipe, its depth of burying, towards, angle etc.For example, by the determination and analysis for above-mentioned parameter, study at wind speed (air velocity in underground pipe 1) while being less than or equal to 4m/s, when wind speed is no more than 4m/s, air is the heat transfer effect the best with soil by underground pipe 1.In addition, by the air inlet 2 of adjusting underground pipe 1 and the size of air outlet 3, can regulate the air quantity that enters underground pipe 1, thereby regulate wind speed.Thus, in the situation that determine rational wind speed, the caliber of pipe laying definitely.And, by the adjusting of air quantity, can guarantee the substantially constant of the soil moisture, to improve heat-obtaining and to get cold effect.Wherein, should be understood that the heat absorption of soil and the uneven meeting of heat radiation produce negative influence to weather, so should keep the temperature of soil to be positioned at its equilibrium temperature, guarantee the substantially constant of the soil moisture.
Preferably, due in the pipeline of underground pipe 1 summer new wind in the process of processing, experienced dry and cold and clammy two processes, general without solidifying water appearance in dry and cold process, the water capacity such as belong to cooling.And, in clammy process, belonging to cooling and wet down cooling, it is saturated that air is tending towards gradually, and have solidifying water to occur, is condensed in the pipeline wall.Thereby, on the one hand in order to reduce the heat transfer effect to air of solidifying water, prevent that on the other hand solidifying water is due to the impact of overlong time on New atmosphere quality, need be processed solidifying water.Thus, the Buried Pipe Section of underground pipe 1 is arranged to horizontal plane, certain angle is arranged, for example, the default certain angle of inclination of underground pipe 1, generally in 1-3 degree left and right, and arrange solidifying water collector at the lower position place, and the solidifying water in underground pipe 1 is discharged in time.
With further reference to Fig. 2, ventilating system also comprises indoor temperature and humidity parts 19, motorized window 24.Wherein, the temperature and humidity in indoor temperature and humidity parts 19 measuring chambers send control device 9 to the form of signal.And indoor temperature and humidity parts 19 are arranged on chamber 6 inside, indoor temperature and humidity parts 19 are measured the temperature and humidity of chamber 6 inner airs.Motorized window 24 is arranged on chamber 6 sidewalls, and preferably chamber 6 is tetragonal body, is respectively provided to a few motorized window 24 on its four sidewalls.Wherein, the temperature value of indoor temperature and humidity parts 19 and humidity value can be sent in the mode of transducing signal control device 9, and control device 9 judges whether to open or cut out motorized window 24 in response to the temperature value of accepting and humidity value.
Describe the control method of the ventilating system shown in Fig. 2, the control method that is same as the system of the first specific embodiment shown in Fig. 1 no longer is repeated in this description.With reference to Fig. 4, in step 3, under the situation of the measured temperature that measured temperature that outdoor temperature humidity parts 18 record records lower than the second temperature humidity parts 22: if when the temperature difference of the two is less than 5 °; And, the second measured value that the first measured value recorded according to outdoor temperature humidity parts 18 and indoor temperature and humidity parts 19 record, control device 9 calculates respectively the first enthalpy and the second enthalpy, and the first enthalpy is while being less than or equal to the second enthalpy, and motorized window 24 are opened in control device 9 instructions.Now, power-operated shutter 23 and motorized window 24 are simultaneously in opening.Certainly, when the first enthalpy is greater than the second enthalpy, motorized window 24 is closed in control device 9 instructions.Particularly, when using underground pipe 1 for chamber 6 air-supplies and having opened power-operated shutter 23 and closing axle flow fan 21, control device 9 also can carry out following step: the measured value that the measured value recorded according to the outdoor temperature humidity parts 18 that receive and indoor temperature and humidity parts 19 record calculates the first enthalpy and the second enthalpy, be the temperature and humidity of outdoor temperature humidity parts 18 measurement chamber outsides and the enthalpy (the first enthalpy) that calculates the air of chamber 6 outsides, indoor temperature and humidity parts 19 are measured the temperature and humidity of vent passages 21 inside and are calculated the enthalpy (the second enthalpy) of the air of vent passages 21 inside, when the first enthalpy is less than or equal to the second enthalpy, control device 9 is opened motorized window 24.Open the air-flow exchange that motorized window 24 can be accelerated chamber 6 inside and outsides, a plurality of motorized window 24 preferably are set, can be at the interior generation cross-ventilation of chamber 6, thus there is to cooling-down effect chamber 6 inside.
To sum up, in the control chamber of one embodiment of the present of invention, in the method for temperature, at first utilizing through the cooled new wind of underground pipe 1 is the interior cooling of chamber 6, and underground pipe 1 has played main cooling effect.Secondly, the Cryogenic air of chamber 6 outsides being imported to chamber 6 inside by ventilation unit, on the basis that is chamber 6 internal coolings in the air-supply of underground pipe 1, is further chamber 6 internal coolings.Finally, by opening the motorized window on chamber 6, auxiliary above-mentioned two kinds of cooling methods are further chamber 6 internal coolings.The low-temperature receiver that above-mentioned three kinds of cooling measures have utilized the natural environment around the building to provide fully, all do not consume electric energy.In addition, the comparison of comparison, room air enthalpy and the outdoor air enthalpy of comparison, indoor temperature and outdoor temperature by the enthalpy to underground pipe air-supply and default enthalpy, accurately the temperature and humidity of the air in chamber is adjusted to the temperature and humidity made people feel comfortable, provides comfortable environment thus on the basis of saving the energy.
With reference to Fig. 5, the present invention also provides the method for temperature in another kind of control chamber, under the situation that need to be lowered the temperature to chamber, comprises the step of carrying out successively as follows:
Step 1: the wind pushing temperature value t2 recorded according to the first temperature humidity parts 4 and air-supply humidity value d2, control device 9 calculates air-supply enthalpy i2;
Step 2: according to the comparative result of air-supply enthalpy i2 and default enthalpy i1, control device 9 instruction switching device shifters 11 are opened, so that underground pipe 1 and chamber 6 communicate;
Step 3: the second measured value that the first measured value recorded according to outdoor temperature humidity parts 18 and indoor temperature and humidity parts 19 record, control device 9 calculates respectively the first enthalpy and the second enthalpy;
Step 4: the temperature value in the first measured value is more than or equal to 3 ° lower than the temperature value in the second measured value and the two temperature difference, and the first enthalpy is while being less than or equal to the second enthalpy, and control device 9 is opened motorized window 24.
Particularly, the present embodiment adopts aforesaid ventilating system, the wind pushing temperature value t2 at first recorded according to the first temperature humidity parts 4 and air-supply humidity value d2, and control device 9 utilizes aforementioned enthalpy computing formula to calculate air-supply enthalpy i2.Then will blow enthalpy i2 and default enthalpy i1 relatively, according to comparative result control device 9 instruction switching device shifters 11, open, so that underground pipe 1 and chamber 6 communicate, wherein, this comparative result is for example for confirming that air-supply enthalpy i2 is less than or equal to default enthalpy i1, control device 9 is controlled switching device shifter 11 and is opened, and makes the wind of underground pipe 1 enter chamber 6.After above-mentioned steps, the second measured value that the first measured value that the outer temperature humidity parts 18 of control device 9 receiving chambers record and indoor temperature and humidity parts 19 record, and calculate respectively the first enthalpy and the second enthalpy, temperature value in the first measured value is more than or equal to 3 ° lower than the temperature value in the second measured value and the two temperature difference, and, when the first enthalpy is less than or equal to the second enthalpy, control device 9 is opened motorized window 24.Certainly, contrary, while not meeting above-mentioned condition, control device 9 cuts out motorized window 24.It is room temperature lowering that the method can be blown common with the motorized window ventilation by underground pipe.
Preferably, as shown in Figure 2, ventilating system also comprise to the wind from outlet filtered, the new blower fan group 7 of dehumidifying and taste removal, there is filter 8, dehumidifier 25 and odor eliminator 26, wherein, pipeline 10 connects air outlet 3 and chambers 6, and along chamber 6 to air outlet, 3 direction is disposed with new blower fan group 7 and switching device shifter 11 to pipeline 10.Preferred, new blower fan group 7 also includes heat exchanger 13.Temperature in the temperature in underground pipe 1 exit that records and chamber 6 can be compared, the preset temperature of perhaps temperature in underground pipe 1 exit that records and the comfort level according to the people being set compares, open heat exchanger 13 according to comparative result by control device 9, with the heating or cooling before sending into chamber 6 of blowing.Particularly, when summer, while needing for chamber 6 cooling, the cooling effect of 1 pair of new wind of underground pipe is better, usually can directly by the new wind after processing, send into indoor.And in the winter time the time, while needing to heat up for chamber 6, the heating effect of 1 pair of new wind of underground pipe is often poor, now, can open the heat exchanger 13 of new blower fan group 7, take and further heat for new wind.In other words, when not meeting through underground pipe 1 heating or cooled new wind when default, open heat exchanger 13 and further heat or cooling this new wind, thus, capable of reducing power consumption.
The default humidity that further also the humidity in underground pipe 1 exit that records and the comfort level according to the people can be set compares, and control device 9 judges whether to open dehumidifier 25 according to comparative result.
In addition, in the present invention, the temperature humidity parts are connected with the direct data of control device 9 with sensor can be by being electrically connected to or wireless transmission realizes, control device 9 is sent to the switch order of switching device shifter 11, ventilation unit 21, power-operated shutter 23, motorized window 24 can be by being electrically connected to transmission or wireless transmission between control device 9 and switching device shifter 11, ventilation unit 21, power-operated shutter 23, motorized window 24.These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (11)
1. a ventilating system comprises:
Underground pipe (1), have air outlet (3) and air inlet (2), and described air outlet (3) is communicated with chamber (6); Be provided with the indoor wind unit that changes on described chamber (6);
It is characterized in that, also comprise:
Be arranged at the first temperature humidity parts (4) in described air outlet (3);
Control device (9), receive the transducing signal of described the first temperature humidity parts (4) and export the first switch order;
Switching device shifter (11), be arranged on described air outlet (3) end, and described switching device shifter (11) opens selectively or cuts out in response to described the first switch order;
Be arranged at the outdoor temperature humidity parts (18) of described chamber (6) outer wall;
Wherein, the described indoor wind unit that changes comprises the vent passages (20) that runs through described chamber (6) roof, is arranged at ventilation unit and the second temperature humidity parts (22) in described vent passages (20);
Wherein, described control device (9) is in response to the transducing signal of the described outdoor temperature humidity parts (18) that receive and the transducing signal of the second temperature humidity parts (22), open or close and control described ventilation unit, when the energy of switching device shifter (11) in opening and underground pipe (1) conveying can not meet the temperature of chamber (6), described ventilation unit is opened.
2. ventilating system according to claim 1, is characterized in that, also comprises:
Be arranged at interior air inlet Temperature Humidity Sensor (12) and the air velocity transducer (14) of air inlet (2) of described underground pipe (1);
Be arranged at the first temperature sensor (15) at the outer surface of the Buried Pipe Section of underground pipe (1);
Be arranged at the second temperature sensor (16) at the inner surface of the Buried Pipe Section of underground pipe (1);
Described control device (9) receives the signal of air inlet Temperature Humidity Sensor (12), air velocity transducer (14), the first temperature sensor (15) and the second temperature sensor (16) detection and buries the parameter of environment with the output display underground pipe underground.
3. ventilating system according to claim 2, is characterized in that,
Described the first temperature sensor (15) is at least two temperature sensors along the equally spaced setting of axis direction of the Buried Pipe Section of described underground pipe (1);
Described the second temperature sensor (16) is at least two temperature sensors along the equally spaced setting of axis direction of the Buried Pipe Section of described underground pipe (1), and the mean value of the temperature of described the first temperature sensor (15), the second temperature sensor (16) is for revising the temperature value of the first temperature humidity parts (4).
4. ventilating system according to claim 1, is characterized in that,
Described ventilation unit comprises: be arranged at the axial flow blower (21) on the ventilating path of described vent passages (20) and the power-operated shutter (23) that is arranged at described vent passages (20) madial wall.
5. ventilating system according to claim 1, is characterized in that,
Described ventilating system also comprises the indoor temperature and humidity parts (19) that are arranged at described chamber (6) inside;
The described indoor wind unit that changes also comprises the motorized window (24) that is arranged at described chamber (6) sidewall;
Wherein, described control device (9), in response to the transducing signal of the described indoor temperature and humidity parts (19) that receive, opens or cuts out and control described motorized window (24).
6. according to the described ventilating system of any one in claim 1-5, it is characterized in that, also comprise:
Series connection is arranged on the new blower fan group (7) between described air outlet (3) and described chamber (6), is provided with one or more in filter, dehumidifier, heat exchanger and odor eliminator in described new blower fan group (7);
Described switching device shifter (11) is Electric air valve.
7. a method that adopts the described ventilating system of any one in claim 1-6 to control temperature in chamber, comprise the steps:
Step 1: the wind pushing temperature value (t2) that the first temperature humidity parts (4) record and air-supply humidity value (d2) pass to control device (9), and described control device (9) calculates air-supply enthalpy (i2);
Step 2: will blow enthalpy (i2) and default enthalpy (i1) of control device (9) compares, when air-supply enthalpy (i2) is less than or equal to default enthalpy (i1), control device (9) instruction switching device shifter (11) is opened, so that described underground pipe (1) and chamber (6) communicate;
Step 3: during measured temperature that the measured temperature recorded when described outdoor temperature humidity parts (18) records lower than described the second temperature humidity parts (22), described control device (9) is opened described ventilation unit, otherwise keeps described ventilation unit to close.
8. method according to claim 7, is characterized in that,
In step 3, under the situation of the measured temperature that measured temperature that described outdoor temperature humidity parts (18) record records lower than described the second temperature humidity parts (22):
When if the temperature difference of the two is more than or equal to 5 °, axial flow blower (21) and the power-operated shutter (23) in described ventilation unit opened in described control device (9) instruction simultaneously; Otherwise only open power-operated shutter (23).
9. method according to claim 8, is characterized in that,
In step 3, under the situation of the measured temperature that measured temperature that described outdoor temperature humidity parts (18) record records lower than described the second temperature humidity parts (22): if when the temperature difference of the two is less than 5 °;
And, the second measured value that the first measured value recorded according to outdoor temperature humidity parts (18) and described indoor temperature and humidity parts (19) record, described control device (9) calculates respectively the first enthalpy and the second enthalpy, and, when the first enthalpy is less than or equal to the second enthalpy, motorized window (24) is opened in control device (9) instruction.
10. method according to claim 7, is characterized in that,
Calculating described air-supply enthalpy (i2) before, the mean value of the first temperature sensor (15) in described ventilating system, the temperature of the second temperature sensor (16) is for revising the temperature value of the first temperature humidity parts (4).
11. a method that adopts the described ventilating system of any one in claim 5-6 to control temperature in chamber, comprise the steps:
Step 1: the wind pushing temperature value (t2) recorded according to the first temperature humidity parts (4) and air-supply humidity value (d2), described control device (9) calculates air-supply enthalpy (i2);
Step 2: the comparative result according to air-supply enthalpy (i2) with default enthalpy (i1), when being less than or equal to default enthalpy (i1) timed unit (9) instruction switching device shifter (11), opens air-supply enthalpy (i2), so that described underground pipe (1) and chamber (6) communicate;
Step 3: the second measured value that the first measured value recorded according to outdoor temperature humidity parts (18) and described indoor temperature and humidity parts (19) record, described control device (9) calculates respectively the first enthalpy and the second enthalpy;
Step 4: the temperature value in described the first measured value is more than or equal to 3 ° lower than the temperature value in described the second measured value and the two temperature difference, and the first enthalpy is while being less than or equal to the second enthalpy, and control device (9) is opened motorized window (24).
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