CN103471197B - Ventilating system and control the method for temperature in chamber - Google Patents
Ventilating system and control the method for temperature in chamber Download PDFInfo
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- CN103471197B CN103471197B CN201310454375.0A CN201310454375A CN103471197B CN 103471197 B CN103471197 B CN 103471197B CN 201310454375 A CN201310454375 A CN 201310454375A CN 103471197 B CN103471197 B CN 103471197B
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Abstract
A kind of ventilating system, comprise underground pipe, the first temperature humidity parts be arranged in underground pipe air outlet, control device, be arranged at the switching device shifter of air outlet, be arranged at the outdoor temperature humidity parts of chamber outer wall, the vent passages running through chamber roof and the ventilation unit be placed in one and the second temperature humidity parts.A kind of method controlling temperature in chamber: control device calculates air-supply enthalpy according to the measured value of the first temperature humidity parts; When air-supply enthalpy is less than or equal to the unlatching of default enthalpy timed unit instruction switching device shifter, underground pipe and chamber are communicated; The measured temperature timed unit that the measured temperature recorded when outdoor temperature humidity parts records lower than the second temperature humidity parts opens ventilation unit, otherwise keeps ventilation unit to close.Control device judges according to enthalpy and temperature judges to open or close switching device shifter, ventilation unit.Use the natural energy for room temperature lowering thus as far as possible, both met the needs of comfortableness, and again saved the energy.
Description
Technical field
The present invention relates to a kind of temperature regulable control technical 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 needs comparatively high-energy source consumption and operating cost, according to statistics, the heating of building and cooling energy consumption account for more than 40% of the annual total energy consumption in room, thus from carrying out energy-conservation in this respect and putting forward the effective means that effect will be raising building integral efficiency and comprehensive utilization rate of energy source.
Large being combined into mainly with fan coil or fan coil and floor heating of existing civilian room and common rooms is mainly heated for cold-peace to room, indoor fresh air then carries out the supply of indoor fresh air by VMC (comprising corresponding Air Treatment Technology, as preheating, cooling, dehumidifying, humidification, filtration etc.) or the total heat recovery system that is combined with indoor air exhaust system.Primary energy ratio is on the low side, room energy loss is larger, to the underutilization of low-grade energy, do not give full play to REGIONAL RESOURCES SUPERIORITY, the utilization of environmental energy, climate resources, hydrology soil resource is maximized, do not set up there is development prospect low energy consumption, environmental protection, effective room using energy source pattern.
And the utilization of the collection of new for outdoor wind, conveying, geothermal energy and rational air supply mode are not carried out systematized integration by the ventilating system of above-mentioned traditional form.In recent years, along with the continuous increase of building and heating air conditioner energy consumption, utilize gravity-flow ventilation to improve indoor thermal comfort, improve indoor air quality, seem particularly important to reach energy-conservation object.
CN202853040U discloses a kind of based on multiple spot air intake and the displaced type ventilating system utilizing geothermal energy, comprise multiple air inlet unit, the air outlet that described air inlet unit is arranged by air main and indoor bottom is communicated with, the air outlet that described air main is arranged with indoor bottom is communicated with, described air main is embedded in the more stable geothermal energy exchange area of temperature in soil, and what achieve zones of different is outdoor air collection; Air-intake device with the integration of equipments such as outdoor lighting, sound equipment in one, can add the integrated function of air-intake device.But, although make use of the displaced type ventilating system of geothermal energy, cannot judge whether the wind that the displaced type ventilating system of this geothermal energy provides is applicable to passing into indoor, and that also cannot observe the displaced type ventilating system of heat energy buries environment underground the need of adjustment.
Summary of the invention
For the one or more problems existed in correlation technique, the object of the present invention is to provide a kind of there is checkout equipment and control appliance ventilating system and adopt this ventilating system to control the method for temperature in chamber, the control appliance of this ventilating system can judge whether to blow according to the feedback of checkout gear, and this ventilating system comprises the indoor that auxiliarily pipe laying carries out changing wind changes wind unit.
The invention provides a kind of ventilating system, comprising: underground pipe, there is air outlet and be communicated with chamber with air inlet air outlet; Chamber is provided with indoor and changes wind unit; Be arranged at the first temperature humidity parts in air outlet; Control device, receives the transducing signal of the first temperature humidity parts and exports the first switch order; Switching device shifter, is arranged on air opening end, and switching device shifter opens selectively in response to the first switch order or cuts out; Be arranged at the outdoor temperature humidity parts of chamber outer wall; Wherein, indoor change wind unit comprise run through chamber roof vent passages, be arranged at ventilation unit in vent passages and the second temperature humidity parts; Wherein, control device is in response to the transducing signal of outdoor temperature humidity parts received and the transducing signal of the second temperature humidity parts, and control ventilation unit and open or close, when switching device shifter is in opening and the energy of underground pipe conveying can not meet the temperature of chamber, ventilation unit is opened.
According to the present invention, also comprise: be arranged at the air inlet Temperature Humidity Sensor in the air inlet of underground pipe and air velocity transducer; Be arranged at the first temperature sensor of the outer surface of the Buried Pipe Section at underground pipe; Be arranged at the second temperature sensor of the inner surface of the Buried Pipe Section at underground pipe; The signal that control device reception air inlet Temperature Humidity Sensor, air velocity transducer, the first temperature sensor and the second temperature sensor detect buries the parameter of environment underground with output display underground pipe.
According to the present invention, the first temperature sensor is the temperature sensor of at least two equally spaced settings of the axis direction along the Buried Pipe Section of underground pipe; Second temperature sensor is the temperature sensor of at least two equally spaced settings of the axis direction along the Buried Pipe Section of underground pipe, and 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 be arranged at the power-operated shutter of vent passages madial wall.
According to the present invention, ventilating system also comprises the indoor temperature and humidity parts being arranged at chamber interior; Indoor are changed wind unit and are also comprised the motorized window being arranged at chamber sidewall; Wherein, control device in response to the transducing signal of the indoor temperature and humidity parts received, and controls motorized window unlatching or cuts out.
According to the present invention, also comprise: be arranged in series the Fresh air handling units between air outlet and chamber, in Fresh air handling units, be 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 blasting humidity value transmit are to control device, and control device calculates air-supply enthalpy; Step 2: air-supply enthalpy and default enthalpy compare by control device, when enthalpy of blowing is less than or equal to default enthalpy, control device instruction switching device shifter is opened, and communicates to make underground pipe and chamber; Step 3: when the measured temperature that the measured temperature that outdoor temperature humidity parts record records lower than the second temperature humidity parts, ventilation unit opened by control device, otherwise keeps ventilation unit to close.
According to the present invention, in step 3, when the measured temperature that the measured temperature that outdoor temperature humidity parts record records lower than the second temperature humidity parts when: if when the temperature difference of the two is more than or equal to 5 °, axial flow blower in ventilation unit and power-operated shutter are opened in control device instruction simultaneously; Otherwise only open power-operated shutter.
According to the present invention, in step 3, when the measured temperature that the measured temperature that outdoor temperature humidity parts record records lower than the second temperature humidity parts when: 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 the first enthalpy and the second enthalpy respectively, and when the first enthalpy is less than or equal to the second enthalpy, motorized window is opened in control device instruction.
According to the present invention, before calculating 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.
Adopt above-mentioned ventilating system to control a method for temperature in chamber, comprise as step: step 1: the wind pushing temperature value recorded according to the first temperature humidity parts and blasting humidity value, control device calculates air-supply enthalpy; Step 2: according to the comparative result of blow enthalpy and default enthalpy, opens when air-supply enthalpy is less than or equal to default enthalpy timed unit instruction switching device shifter, communicates to make underground pipe and chamber; 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 the first enthalpy and the second enthalpy respectively; Step 4: when the temperature value in the first measured value is lower than the temperature value in the second measured value and the two temperature difference is more than or equal to 3 °, and when the first enthalpy is less than or equal to the second enthalpy, motorized window opened by control device.
Compared to prior art, beneficial effect of the present invention is:
Signal is sent to control device by the first temperature humidity parts be arranged in the air outlet of underground pipe, temperature value in control device acquisition underground pipe air outlet and humidity value, and air-supply enthalpy can be calculated thus, and judge whether air-supply enthalpy meets ventilation standard and send the instruction of opening or closing to switching device shifter by control device, chamber can be controlled thus and whether utilize the air-supply of underground pipe to ventilate.Additionally by the temperature in the more outdoor and vent passages of control device, opening ventilation unit when meeting ventilation standard, to assist as indoor air-changing ventilates, thus being reached for the effect of room temperature lowering further.Use the natural energy for room temperature lowering thus as far as possible, both met the needs of comfortableness, and again saved the energy.
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 is the flow chart adopting ventilating system illustrated in fig. 1 to control the method for temperature in chamber;
Fig. 4 be adopt ventilating system illustrated in fig. 2 control the method for temperature in chamber flow chart;
Fig. 5 is the flow chart that another kind of the present invention controls the method for temperature in chamber.
Detailed description of the invention
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 comprise there is air inlet 2 and air outlet 3 underground pipe 1, be arranged at the first temperature humidity parts 4 in air outlet 3, the indoor be arranged on chamber 6 change wind unit, control device 9, switching device shifter 11, 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 end, and switching device shifter 11 opens selectively in response to the first switch order or cuts out.Ventilating system of the present invention also comprises the outdoor temperature humidity parts 18 being arranged at chamber 6 outer wall, wherein, indoor change wind unit comprise run through chamber 6 roof vent passages 20, be arranged at ventilation unit in vent passages 20 and the second temperature humidity parts 22.Wherein, control device 9 is in response to the transducing signal of outdoor temperature humidity parts 18 received and the transducing signal of the second temperature humidity parts 22, and control ventilation unit and open or close, when switching device shifter 11 is in opening and the energy that underground pipe 1 is carried can not meet the temperature of chamber 6, ventilation unit is opened.In other words, when switching device shifter 11 between underground pipe 1 with chamber 6 communicates, the energy that underground pipe 1 is carried in chamber 6 is in order to carry out heat exchange with air in chamber 6, if now outdoor temperature humidity parts 18 record the measured temperature in vent passages that outdoor temperature measurements records lower than the second temperature components 22, then control device opens 9 and opens ventilation unit, even if otherwise also cut out ventilation unit under switching device shifter 11 opening.
The selective control switching device shifter 11 of ventilating system of the present invention opens or cuts out, and is namely optionally communicated with by opening or close switching device shifter 11 or disconnects chamber 6 and air outlet 3, thus controls underground pipe 1 air feed situation.Especially, in FIG to represent that with the dotted line of arrow transducing signal is sent to control device 9 by the second temperature humidity parts 22, remaining part and the Signal transmissions between sensor with control device 9 identical with it, no longer illustrate.Specifically, the air outlet 3 of underground pipe 1 is for exporting the air through underground pipe heating or cooling, 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 chamber 6 by pipeline 10, and switching device shifter 11 is Electric air valve, makes to be communicated with between chamber 6 and air outlet 3 or to disconnect by the opening and closing of Electric air valve.First temperature humidity parts 4 send temperature signal and moisture signal to control device 9, control device 9 receives this temperature signal and moisture signal to obtain the temperature and humidity in underground pipe air outlet 3, namely can obtain the temperature and humidity through the cooled air of underground pipe, that is can obtain the temperature and humidity for the air carried in chamber.According to said temperature and humidity, control system 9 can judge whether underground pipe air-supply meets air-conditioning requirement in chamber 6 and send the first switch order, switching device shifter 11 responds the first switch order and opens or cut out, namely control system 9 sends open command, switching device shifter 11 is opened and chamber 6 is communicated with air outlet 3, and underground pipe 1 can be blown for chamber 6; Control system 9 sends out code, switching device shifter 11 close make chamber 6 and air outlet 3 be communicated with disconnection, underground pipe 1 can not be blown for chamber 6.In one embodiment of the invention, chamber 6 is the chamber in building.
With reference to Fig. 3, when needing to lower the temperature to chamber 6, the method adopting 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 blasting humidity value d2 passes to control device 9, control device 9 calculates air-supply enthalpy i2;
Step 2: air-supply enthalpy i2 and default enthalpy i1 compares by control device 9, when the enthalpy i2 that blows is less than or equal to default enthalpy i1, control device 9 instruction switching device shifter 11 is opened, and communicates to make underground pipe 1 and chamber 6.
That is, first the wind pushing temperature value t2 that records according to the first temperature humidity parts 4 of control device 9 and blasting humidity value d2 calculates air-supply enthalpy i2.Then, judge, if air-supply enthalpy i2 is less than or equal to default enthalpy i1, control device 9 controls switching device shifter 11 and opens thus air outlet 3 is communicated with chamber 6, if air-supply enthalpy i2 is less than default enthalpy i1, control device 9 controls switching device shifter 11 and cuts out thus air outlet 3 was disconnected with being communicated with of chamber 6.Above based on the temperature detection signal of the first temperature humidity parts 4 and the enthalpy of Humidity Detection signal acquisition, and the enthalpy carried out subsequently compares and obtains 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.Specifically, enthalpy calculates by 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: t--air themperature (DEG C);
The water capacity (g/ (kg dry air)) of d--air;
The average specific heat at constant pressure (kJ/ (kgK)) of 1.01--dry air;
The average specific heat at constant pressure (kJ/ (kgK)) of 1.84--steam;
The latent heat of vaporization (kJ/kg) of water during 2500--0 DEG C.
That is, wind pushing temperature value t2 and blasting humidity value d2 is calculated air-supply enthalpy i2 by enthalpy computing formula.This air-supply enthalpy i2 is just for heating through underground pipe 1 or enthalpy that is cooled, that send into the air in chamber 6.And default enthalpy i1 is the enthalpy determined according to the comfort level of people, that is, when the enthalpy of surrounding air is for presetting enthalpy i1, people is in this environment and feels pleasant.This default enthalpy can be preset humidity value t2 by setting preset temperature value t1 and setting and be determined by above-mentioned formulae discovery, also can by employing equivalent temperature and PMV control strategy, determine reaching the indoor operating mode of the energy-saving run under same comfort level condition, namely temperature is slightly high, regulated by humidity and wind speed, operational mode energy-conservation under realizing same comfort level condition.When control device 9 judges, when the enthalpy i2 that blows is less than or equal to default enthalpy i1, air through underground pipe heating or cooling meets the demands, namely the comfort level requirement of people can be met, so control device 9 sends open command, switching device shifter 11 is opened and air outlet 3 is communicated with chamber 6, namely the wind exported by air outlet 3 imports in chamber 6, open for switching device shifter 11 thus be communicated with chamber 6 and air outlet 3 in this specific embodiment, will to heat in underground pipe 1 or cooled air is transported in chamber 6.On the contrary, when the enthalpy i2 that blows is less than default enthalpy i1, control device 9 sends out code, and switching device shifter 11 cuts out and air outlet 3 was disconnected with being communicated with of chamber 6, namely the wind exported by air outlet 3 can not import chamber 6, for not make the wind in underground pipe 1 enter chamber 6 in this specific embodiment.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, signal is sent to control device 9 by the first temperature humidity parts 4 be arranged in the air outlet 3 of underground pipe 1, control device 9 obtains temperature value in underground pipe air outlet 3 and humidity value, and the enthalpy of underground pipe air-supply can be calculated thus, judge whether it meets air-conditioning requirement, thus the instruction of opening or closing is sent to switching device shifter 11, whether can control chamber 6 thus utilizes the air-supply of underground pipe to ventilate, thus reach the object utilizing natural energy resources to be room temperature lowering, save the energy.
In addition, as above-mentioned, ventilating system of the present invention also comprises indoor and changes wind unit and outdoor temperature humidity parts 18, with further reference to Fig. 1, vent passages 20 through chamber 6 roof, namely chamber 6 is exchanging with the air-flow of outside air perpendicular to the direction on ground is carried out by vent passages 20.Ventilation unit and the second temperature humidity parts 22 are set in vent passages 20, ventilation unit is circulated by the exchange of vent passages 20 for the inner air and extraneous air accelerating chamber 6, and the second temperature humidity parts 22 are for measuring temperature value in vent passages 20 and humidity value.Preferably, ventilation unit comprises the axial flow blower 21 on the ventilating path being arranged at vent passages 20 and is arranged at the power-operated shutter 23 of vent passages 20 madial wall.Wherein, the ventilating path of vent passages 20 is vent passages 20 perpendicular to the passage direction on ground being carried out exchange with the air-flow of outside air.Power-operated shutter 23 is arranged at vent passages 20 sidewall, preferred vent passages 20 has the sidewall of four outstanding chambers 6, each sidewall arranges power-operated shutter 23 respectively, when power-operated shutter 23 is opened, it is outside that chamber 6 extraneous air flow to chamber 6 by the air that power-operated shutter 23 enters in vent passages 20 or vent passages 20 by power-operated shutter 23, according to the feature of wind direction, selectively can open a power-operated shutter, reach air intake or the air-out of best effects simultaneously.Outdoor temperature humidity parts 18 are arranged at chamber 6 outer wall, and namely outdoor temperature humidity parts 18 are arranged on the outside of chamber 6 to measure the temperature and humidity of the air of the outside of chamber 6 and to send control device 9 in the form of a signal to.In addition, the temperature that the second temperature humidity parts 22 detect, humidity can send to control device 9 with the form of transducing signal, and control device 9 can judge whether to open ventilation unit according to said temperature and humidity measurements.
While utilizing underground pipe to ventilate, that is, with further reference to Fig. 3, after performing above-mentioned steps 1 and step 2, underground pipe 1 has been in the state into chamber 6 air-supply, performs step 3 further.Step 3 is: when the measured temperature that the measured temperature that outdoor temperature humidity parts 18 record records lower than the second temperature humidity parts 22 (, when aforesaid switching device shifter 11 is in opening and the energy that underground pipe 1 is transported to chamber 6 can not meet the temperature of chamber 6), ventilation unit opened by control device 9, 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 in ventilation unit and power-operated shutter 23 are opened in control device 9 instruction simultaneously; Otherwise only open power-operated shutter 23.Thus, inner air and the extraneous air of ventilation unit quickening chamber 6 are circulated by the exchange of vent passages 20, the lower air change of current of the temperature of the higher air of the temperature of chamber 6 inside and chamber 6 outside is led to, thus the temperature of chamber 6 inside decline.To sum up, when needs are for chamber 6 internal cooling, control device 9 compares measured temperature that outdoor temperature humidity parts 18 record and the measured temperature that the second temperature humidity parts 22 record, when the measured temperature that the measured temperature that outdoor temperature humidity parts 18 record records lower than the second temperature humidity parts 22 and the two temperature difference is more than or equal to 5 ° time, control device 9 controls axial flow blower 21 and power-operated shutter 23 is opened, the inner air of chamber 6 is accelerated and extraneous air is circulated by the exchange of vent passages 20 by axial flow blower 21, the air change of current that the temperature of air that the temperature of chamber 6 inside is higher and chamber 6 outside is lower is led to, thus the temperature of chamber 6 inside declines, and, power-operated shutter 23 is opened, stronger ventilation passage 20 can carry out the area that inner air and outer air exchanges circulation, thus the inner air of quickening chamber 6 and extraneous air are circulated by the exchange of vent passages 20, and then air that the temperature of chamber 6 inside is higher and the lower air change of current of chamber 6 external temperature are led to, the temperature of further reduction chamber 6 inside.And when the measured temperature that the measured temperature that outdoor temperature humidity parts 18 record records lower than the second temperature humidity parts 22 and the two temperature difference is less than 5 ° time, control device 9 controls power-operated shutter 23 and opens.That is, because internal-external temperature difference is little, the cooling requirement for chamber 6 inside can just be met by means of only unlatching power-operated shutter 23, so only open power-operated shutter 23.In addition, when needs heat up for chamber 6 inside, namely during winter, control device 9 controls power-operated shutter 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, first temperature sensor 15, 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 detecting temperature and humidity and the intake velocity of the air entering underground pipe 1.Underground pipe 1 is set to have horizontally disposed Buried Pipe Section, and forms air intake pipeline section and the air-out pipeline section of 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, namely on the surface that underground pipe 1 contacts with soil, for measuring the temperature burying environment (soil) underground.Second temperature sensor 16 is arranged at the inner surface of the Buried Pipe Section of underground pipe 1, and namely 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 be equally spacedly provided with 7 the second temperature sensors 16, underground pipe 1 is set to PVC or the pipe of cement that length is 200 meters, 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, namely 7 the first temperature sensors 15 and 7 the second temperature sensors 16 mean value as correction first temperature humidity parts 4 temperature value (namely, the temperature value of the first temperature humidity parts 4 is replaced 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 and blasting humidity value d2 that revise rear calculating, thus be conducive to control device 9 precision maneuver more accurately, ensure to provide the energy accurately.Wherein, control device 9 receives signal that air inlet Temperature Humidity Sensor 12, air velocity transducer 14, first temperature sensor 15 and the second temperature sensor 16 detect buries environment underground parameter (i.e. the temperature detection result of above-mentioned diverse location and measuring wind speed result) with output display underground pipe.And base area pipe laying buries the parameter of environment underground, pipe laying 1 is at the ventilation state of burial place definitely.
Specifically, the parameter burying environment underground of underground pipe 1 comprises the temperature and humidity of the air inlet recorded by air inlet Temperature Humidity Sensor 12, the wind speed recorded by air velocity transducer 14, the underground pipe internal temperature buried environment temperature (i.e. the soil moisture) underground and recorded by the second temperature sensor 16 that recorded by the first temperature sensor 15.Wherein, the temperature and humidity of air inlet and wind speed are used for pipe laying ventilation state or regulating system operation demand definitely, bury underground environment temperature and underground pipe internal temperature on the one hand for research and analysis ventilated environment parameter on the impact of soil, (" new wind " fingering is herein entered underground pipe and will be cooled by underground pipe 1 or heat to study on the other hand the cooling of new wind in underground pipe 1 or heating process, import the wind of chamber 6), namely, owing to arranging multiple first temperature sensor 15 and the second temperature sensor 16 along the Buried Pipe Section of underground pipe 1, new wind can be detected flowing in the process of air outlet 3 at the temperature of diverse location and the soil moisture at diverse location from the air inlet 2 of underground pipe 1, thus by the soil moisture of diverse location and the measured value of underground pipe internal temperature, both can to have analyzed and researched the cooling of new wind in underground pipe 1 or heating process, again can with reference to this cooling or heating process analysis and research soil along the variations in temperature in new wind flow direction, thus considerable measure this underground pipe 1 heat transfer effect and this heat transfer process on the impact of the soil moisture.Further, by the detection of above-mentioned parameter, the change of the soil moisture run continuously and under intermitten service, under different ventilation condition can be analyzed, analyze the equilibrium temperature of soil, analyze the heat-obtaining of ventilation and get cold energy power, and then the burial place of adjustment underground pipe, namely its depth of burying, towards, angle etc.Such as, by the determination and analysis for above-mentioned parameter, study when wind speed (air velocity in underground pipe 1) is less than or equal to 4m/s, when namely wind speed is no more than 4m/s, air is best with the heat transfer effect of soil by underground pipe 1.In addition, by the adjustably air inlet 2 of pipe laying 1 and the size of air outlet 3, the adjustable air quantity entering underground pipe 1, thus regulate wind speed.Thus, when determining rational wind speed, can the caliber of pipe laying definitely.And by the adjustment of air quantity, the substantially constant of the soil moisture can be ensured, 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 the temperature of soil should be kept to be positioned at its equilibrium temperature, namely ensure the substantially constant of the soil moisture.
Preferably, due in the pipeline of underground pipe 1 summer new wind in the process of process, experienced by dry and cold and clammy two processes, generally in dry and cold process to occur without solidifying water, the water capacity such as to belong to and cool.And in clammy process, belonging to cooling and wet down cooling, air is tending towards saturated gradually, and has solidifying water to occur, is condensed in pipeline wall.Thus on the one hand in order to reduce the heat transfer effect to air of solidifying water, preventing solidifying water because overlong time is on the impact of New atmosphere quality on the other hand, need process solidifying water.Thus, the Buried Pipe Section of underground pipe 1 is arranged to there is certain angle with horizontal plane, such as, underground pipe 1 presets certain angle of inclination, generally about 1-3 degree, and arranges solidifying water collector at 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 chamber also sends control device 9 in the form of a signal.And indoor temperature and humidity parts 19 are arranged on chamber 6 inside, namely indoor temperature and humidity parts 19 measure the temperature and humidity of chamber 6 inner air.Motorized window 24 is arranged on chamber 6 sidewall, and preferably chamber 6 is tetragonal body, and its four sidewalls are respectively provided to a few motorized window 24.Wherein, the temperature value of indoor temperature and humidity parts 19 and humidity value can be sent to control device 9 in the mode of transducing signal, and control device 9 judges whether to open or cut out motorized window 24 in response to the temperature value accepted and humidity value.
Describe the control method of the ventilating system shown in Fig. 2, be same as the control method no longer repeated description of the system of the first specific embodiment shown in Fig. 1.With reference to Fig. 4, in step 3, when the measured temperature that the measured temperature that outdoor temperature humidity parts 18 record records lower than the second temperature humidity parts 22 when: 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 the first enthalpy and the second enthalpy respectively, and when the first enthalpy is less than or equal to the second enthalpy, motorized window 24 is opened in control device 9 instruction.Namely now, power-operated shutter 23 and motorized window 24 are in opening simultaneously.Certainly, when the first enthalpy is greater than the second enthalpy, motorized window 24 is closed in control device 9 instruction.Specifically, when using underground pipe 1 blow for chamber 6 and 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 received and indoor temperature and humidity parts 19 record calculates the first enthalpy and the second enthalpy, namely outdoor temperature humidity parts 18 are measured the temperature and humidity of exterior thereto and are calculated the enthalpy (the first enthalpy) of the air of chamber 6 outside, 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, motorized window 24 opened by control device 9.Open the air-flow exchange that motorized window 24 can accelerate chamber 6 inside and outside, multiple motorized window 24 is preferably set, cross-ventilation can be produced in chamber 6, thus have cooling-down effect to chamber 6 inside.
To sum up, in the control chamber of one embodiment of the present of invention temperature method in, first utilize through the cooled new wind of underground pipe 1 be in chamber 6 lower the temperature, underground pipe 1 serves main cooling effect.Secondly, the Cryogenic air of chamber 6 outside is imported chamber 6 by ventilation unit inner, being on the basis of chamber 6 internal cooling in the air-supply of underground pipe 1, is chamber 6 internal cooling further.Finally, by opening the motorized window on chamber 6, auxiliary above-mentioned two kinds of cooling methods are chamber 6 internal cooling further.Above-mentioned three kinds of cooling measures make use of the low-temperature receiver that building natural environment around provides fully, all do not consume electric energy.In addition, compared with outdoor air enthalpy by the comparing of the enthalpy of blowing to underground pipe and default enthalpy, the comparing of indoor temperature and outdoor temperature, room air enthalpy, accurately the temperature and humidity of the air in chamber is adjusted to the temperature and humidity made people feel comfortable, on the basis of economize energy, provides comfortable environment thus.
With reference to Fig. 5, present invention also offers the another kind of method controlling temperature in chamber, when needing to lower the temperature to chamber, comprising 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 blasting 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 shifter 11 is opened, and communicates to make underground pipe 1 and chamber 6;
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 the first enthalpy and the second enthalpy respectively;
Step 4: when the temperature value in the first measured value is lower than the temperature value in the second measured value and the two temperature difference is more than or equal to 3 °, and when the first enthalpy is less than or equal to the second enthalpy, motorized window 24 opened by control device 9.
Specifically, the present embodiment adopts aforesaid ventilating system, the wind pushing temperature value t2 first recorded according to the first temperature humidity parts 4 and blasting humidity value d2, and control device 9 utilizes aforementioned enthalpy computing formula to calculate air-supply enthalpy i2.Then air-supply enthalpy i2 is compared with default enthalpy i1, open according to comparative result control device 9 instruction switching device shifter 11, communicate to make underground pipe 1 and chamber 6, wherein, this comparative result is such as confirming that air-supply enthalpy i2 is less than or equal to default enthalpy i1, control device 9 controls switching device shifter 11 and opens, and makes the wind of underground pipe 1 enter chamber 6.After undergoing the above-described steps, the first measured value that the outer temperature humidity parts 18 of control device 9 receiving chamber record and the second measured value that indoor temperature and humidity parts 19 record, and calculate the first enthalpy and the second enthalpy respectively, when the temperature value in the first measured value is lower than the temperature value in the second measured value and the two temperature difference is more than or equal to 3 °, and when the first enthalpy is less than or equal to the second enthalpy, motorized window 24 opened by control device 9.Certainly, contrary, when not meeting above-mentioned condition, control device 9 cuts out motorized window 24.It is room temperature lowering that the method is ventilated jointly by underground pipe air-supply with motorized window.
Preferably, as shown in Figure 2, ventilating system also comprises filters the wind from outlet, dehumidifies and the Fresh air handling units 7 of taste removal, there is filter 8, dehumidifier 25 and odor eliminator 26, wherein, pipeline 10 connects air outlet 3 and chamber 6, and pipeline 10 is disposed with Fresh air handling units 7 and switching device shifter 11 along chamber 6 to the direction of air outlet 3.Preferred, Fresh air handling units 7 also includes heat exchanger 13.Temperature in the temperature in underground pipe 1 exit recorded and chamber 6 can be compared, or the temperature in underground pipe 1 exit recorded and the preset temperature set according to the comfort level of people are compared, heat exchanger 13 is opened by control device 9, with heating or the cooling before feeding chamber 6 of blowing according to comparative result.Specifically, when summer, namely need for chamber 6 lower the temperature time, underground pipe 1 is better to the cooling effect of new wind, usually directly the new wind after process can be sent into indoor.And time in the winter time, namely need for chamber 6 heat up time, underground pipe 1 is often poor to the heating effect of new wind, now, can open the heat exchanger 13 of Fresh air handling units 7, be further new wind heating.In other words, when heating through underground pipe 1 or cooled new wind does not meet default, opening heat exchanger 13 and heat further or cool this new wind, thus, capable of reducing power consumption.
Also the humidity in underground pipe 1 exit recorded and the default humidity set according to the comfort level of people can be compared further, control device 9 judges whether to open dehumidifier 25 according to comparative result.
In addition, in the present invention, temperature humidity parts and sensor and control device 9 directly data cube computation by be electrically connected or wireless transmission realizes, control device 9 be sent to switching device shifter 11, ventilation unit 21, power-operated shutter 23, motorized window 24 switch order by the electrical connection transmission between control device 9 and switching device shifter 11, ventilation unit 21, power-operated shutter 23, motorized window 24 or wireless transmission.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 amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. a ventilating system, comprising:
Underground pipe (1), has air outlet (3) and air inlet (2), and described air outlet (3) is communicated with chamber (6); Described chamber (6) is provided with indoor and changes wind unit;
It is characterized in that, also comprise:
Be arranged at the first temperature humidity parts (4) in described air outlet (3);
Control device (9), receives the transducing signal of described first temperature humidity parts (4) and exports the first switch order;
Switching device shifter (11), be arranged on described air outlet (3) end, described switching device shifter (11) opens selectively in response to described first switch order or cuts out;
Be arranged at the outdoor temperature humidity parts (18) of described chamber (6) outer wall;
Wherein, described indoor change wind unit comprise run through described chamber (6) roof vent passages (20), be arranged at ventilation unit in described vent passages (20) and the second temperature humidity parts (22);
Wherein, described control device (9) is in response to the transducing signal of described outdoor temperature humidity parts (18) received and the transducing signal of the second temperature humidity parts (22), and control described ventilation unit and open or close, when switching device shifter (11) is in opening and the energy that underground pipe (1) is carried 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 the air inlet Temperature Humidity Sensor (12) in the air inlet (2) of described underground pipe (1) and air velocity transducer (14);
Be arranged at first temperature sensor (15) of the outer surface of the Buried Pipe Section at underground pipe (1);
Be arranged at second temperature sensor (16) of the inner surface of the Buried Pipe Section at underground pipe (1);
The signal that described control device (9) reception air inlet Temperature Humidity Sensor (12), air velocity transducer (14), the first temperature sensor (15) and the second temperature sensor (16) detect buries the parameter of environment underground with output display underground pipe.
3. ventilating system according to claim 2, is characterized in that,
Described 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 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 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 be arranged at the power-operated shutter (23) of 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) being arranged at described chamber (6) inside;
Described indoor are changed wind unit and are also comprised the motorized window (24) being 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) received, and controls described motorized window (24) unlatching or cuts out.
6. the ventilating system according to any one of claim 1-5, is characterized in that, also comprises:
Be arranged in series the Fresh air handling units (7) between described air outlet (3) and described chamber (6), in described Fresh air handling units (7), be provided with one or more in filter, dehumidifier, heat exchanger and odor eliminator;
Described switching device shifter (11) is Electric air valve.
7. adopt ventilating system according to any one of claim 1-6 to control a method for temperature in chamber, comprise the steps:
Step 1: the wind pushing temperature value (t2) that the first temperature humidity parts (4) record and blasting humidity value (d2) pass to control device (9), 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 enthalpy (i2) of blowing is less than or equal to default enthalpy (i1), control device (9) instruction switching device shifter (11) is opened, and communicates to make described underground pipe (1) and chamber (6);
Step 3: when the measured temperature that the measured temperature that described outdoor temperature humidity parts (18) record records lower than described second temperature humidity parts (22), described ventilation unit opened by described control device (9), otherwise keeps described ventilation unit to close.
8. method according to claim 7, is characterized in that,
In step 3, when the measured temperature that the measured temperature that described outdoor temperature humidity parts (18) record records lower than described second temperature humidity parts (22) when:
If when the temperature difference of the two is more than or equal to 5 °, axial flow blower (21) in described ventilation unit and power-operated shutter (23) are 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, when the measured temperature that the measured temperature that described outdoor temperature humidity parts (18) record records lower than described second temperature humidity parts (22) when: 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 the indoor temperature and humidity parts (19) being arranged at described chamber (6) inside record, described control device (9) calculates the first enthalpy and the second enthalpy respectively, and when the first enthalpy is less than or equal to the second enthalpy, the motorized window (24) being arranged at described chamber (6) sidewall is opened in control device (9) instruction.
10. method according to claim 7, is characterized in that,
Before the described air-supply enthalpy (i2) of calculating, the first temperature sensor (15) being arranged at the outer surface of the Buried Pipe Section at underground pipe (1) in described ventilating system, be arranged at the Buried Pipe Section at underground pipe (1) the mean value of temperature of the second temperature sensor (16) of inner surface for revising the temperature value of the first temperature humidity parts (4).
11. 1 kinds adopt ventilating system according to any one of claim 5-6 to control the method for temperature in chamber, comprise the steps:
Step 1: the wind pushing temperature value (t2) recorded according to the first temperature humidity parts (4) and blasting humidity value (d2), described control device (9) calculates air-supply enthalpy (i2);
Step 2: according to the comparative result of air-supply enthalpy (i2) with default enthalpy (i1), open when air-supply enthalpy (i2) is less than or equal to default enthalpy (i1) timed unit (9) instruction switching device shifter (11), communicate to make described underground pipe (1) and chamber (6);
Step 3: the second measured value that the first measured value recorded according to outdoor temperature humidity parts (18) and the indoor temperature and humidity parts (19) being arranged at described chamber (6) inside record, described control device (9) calculates the first enthalpy and the second enthalpy respectively;
Step 4: when the temperature value in described first measured value is lower than the temperature value in described second measured value and the two temperature difference is more than or equal to 3 °, and when the first enthalpy is less than or equal to the second enthalpy, the motorized window (24) being arranged at described chamber (6) sidewall opened by control device (9).
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| CN104154626B (en) * | 2014-08-26 | 2017-06-20 | 大连兆和科技发展有限公司 | Buried pipe type energy-saving air exchange system |
| CN106249789B (en) * | 2016-09-09 | 2018-04-03 | 天顺风能(苏州)股份有限公司 | A kind of indoor environmental condition control system and control method |
| CN108873968A (en) * | 2017-03-13 | 2018-11-23 | 惠安县云点网络科技有限公司 | A kind of multi-temperature output remote management and control system |
| CN111520844A (en) * | 2020-04-30 | 2020-08-11 | 保定市桥与果新材料科技有限公司 | A intelligent air circulation system for passive room |
| CN114130168B (en) * | 2021-11-10 | 2023-08-04 | 北京京仪自动化装备技术股份有限公司 | Multistage dehumidification device, exhaust gas treatment system and dehumidification control method |
| CN114279027B (en) * | 2021-12-09 | 2023-06-06 | 北京环都拓普空调有限公司 | Enthalpy difference bypass control method and system for fresh air equipment |
| CN115095162A (en) * | 2022-06-22 | 2022-09-23 | 广东世纪建设工程有限公司 | Construction method of assembled energy-saving building |
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