WO2019077718A1 - 熱交換換気装置 - Google Patents

熱交換換気装置 Download PDF

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Publication number
WO2019077718A1
WO2019077718A1 PCT/JP2017/037841 JP2017037841W WO2019077718A1 WO 2019077718 A1 WO2019077718 A1 WO 2019077718A1 JP 2017037841 W JP2017037841 W JP 2017037841W WO 2019077718 A1 WO2019077718 A1 WO 2019077718A1
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WO
WIPO (PCT)
Prior art keywords
air
sensor
heat exchange
exhaust
indoor
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Application number
PCT/JP2017/037841
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English (en)
French (fr)
Japanese (ja)
Inventor
真海 安田
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to CN201780095155.XA priority Critical patent/CN111201405B/zh
Priority to PCT/JP2017/037841 priority patent/WO2019077718A1/ja
Priority to JP2019549066A priority patent/JP6793850B2/ja
Publication of WO2019077718A1 publication Critical patent/WO2019077718A1/ja

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems

Definitions

  • the present invention relates to a heat exchange ventilator that performs ventilation while exchanging heat between a charge air flow and an exhaust flow.
  • the humidity is detected by a sensor installed in the open air path, and in the case of a high humidity state where the humidity is a reference value or more, the air supply blower is temporarily used. There is a control method to stop it.
  • air condition sensors that detect air conditions like humidity sensors, when installed in the open air path, are fog or sea salt particles contained in the open air, sulfides contained in the hot spring atmosphere or automobile exhaust, and pesticides. It is also directly exposed to pollutants such as contained nitrides.
  • the humidity sensor is generally a resistance type or a capacitance type. In the resistance type, the output is reduced by the adhesion of water, and in the capacitance type, the electrostatic capacity of the detection unit is deviated by the adhesion of dust, resulting in a measurement error. In the state where an abnormality that causes a measurement error occurs in the sensor, it is not possible to ensure the reliability of the operation of the heat exchange ventilator.
  • This invention is made in view of the above, Comprising: It aims at obtaining the heat exchange ventilator which can detect that abnormality has occurred in the air condition sensor which detects the condition of air.
  • an air supply passage through which an air supply flow from the outside to the room formed by the air supply blower, the exhaust blower, and the air supply blower flows.
  • a body casing provided with an exhaust air passage through which an exhaust flow directed from the room to the outside formed by the exhaust blower passes, a heat exchanger for performing heat exchange between the charge air flow and the exhaust flow, and
  • An indoor air condition sensor that detects the condition of room air that is air on the upstream side of the heat exchanger; an outdoor air condition sensor that detects the state of outdoor air that is air on the upstream side of the heat exchanger in the supply air passage
  • a control unit that controls the operation of the air supply blower and the exhaust air blower based on the detection results of the indoor air state sensor and the outside air state sensor. The control unit determines, based on the difference between the detection result of the indoor air condition sensor and the detection result of the outdoor air condition sensor, whether or not an abnormality occurs in one of the outdoor air condition sensor
  • the heat exchange ventilator according to the present invention has the effect of being able to detect that an abnormality has occurred in an air condition sensor that detects the condition of air.
  • the figure which shows the structure of the heat exchange ventilator concerning Embodiment 1 of this invention A flowchart showing the flow of an operation to determine whether or not an abnormality has occurred in the outside air humidity sensor of the heat exchange ventilator according to the first embodiment
  • FIG. 1 is a diagram showing a configuration of a heat exchange ventilator according to a first embodiment of the present invention.
  • a heat exchange ventilator 50 according to the first embodiment includes a body casing 1 forming an outer shell, an exhaust fan 2 forming an exhaust flow, an air supply fan 3 forming an air supply flow, an exhaust flow and an air supply flow.
  • the total heat exchanger 4 which is a heat exchanger that performs heat exchange between them, the exhaust outlet 5 from which the exhaust air EA flows out, the charge outlet 6 from which the supply air SA flows out, and the outside air OA flows in Air inlet 7, air outlet inlet 8 where room air RA flows, outside air temperature sensor 9 for measuring the temperature of outside air OA, outside air humidity sensor 10 for measuring the relative humidity of outside air OA, heat
  • the control unit 11 for controlling the operation of the exchange ventilation device 50, the remote controller 12 as a user interface, and the exhaust air EA are passed through an air path passing through the total heat exchanger 4 or without passing through the total heat exchanger 4 To send air directly to the exhaust blower 2 With the wind path switching damper 13 for switching whether through a scan air duct, a room temperature sensor 14 for measuring the temperature of the room air RA, and an indoor humidity sensor 15 for measuring the relative humidity of the room air RA.
  • the exhaust flow is formed by the room air RA introduced from the exhaust suction port 8 passing through the total heat exchanger 4 to become exhaust air EA and flowing out from the exhaust blowout port 5.
  • the charge air flow is formed by the outside air air OA introduced from the charge air suction port 7 passing through the total heat exchanger 4 as the charge air SA and flowing out from the air charge air outlet 6.
  • the heat exchange ventilator 50 includes an air supply outlet 6 and an exhaust air inlet 8 on the indoor side, and an exhaust air outlet 5 and an air supply inlet 7 on the outdoor side.
  • the heat exchange ventilation device 50 includes an air supply passage connecting the air supply inlet 7 on the outdoor side with the air supply outlet 6 on the indoor side, an exhaust air inlet 8 on the indoor side, and an exhaust outlet 5 on the outdoor side. And an exhaust air passage to be communicated. That is, the main casing 1 has an air supply passage through which an air supply flow from the outside to the room formed by the air supply blower 3 passes and an exhaust air flow passage from the room formed by the exhaust fan 2 to the room And have.
  • the air supply fan 3 is incorporated in the air supply path.
  • the exhaust fan 2 is incorporated in the exhaust air passage.
  • the total heat exchanger 4 is disposed between the supply air flow path and the exhaust air flow path, and performs total heat exchange continuously between the outside air air OA and the room air RA.
  • the primary air passage passing the exhaust gas flow and the secondary air passage passing the charge air flow are adjacent to each other with a moisture-permeable partition interposed therebetween. Therefore, latent heat can be exchanged between the charge air flow and the exhaust gas flow to provide total heat exchange ventilation.
  • the air passage switching damper 13 is disposed upstream of the total heat exchanger 4 of the exhaust air passage.
  • the air passage switching damper 13 When the air passage switching damper 13 is closed, the indoor air RA which has become the exhaust flow passes through the total heat exchanger 4 and continuously performs total heat exchange with the outside air OA which has become the air supply flow.
  • the damper 13 When the damper 13 is open, the indoor air RA that has become the exhaust flow passes the bypass air path installed beside the total heat exchanger 4 and is outdoor without performing heat exchange with the outdoor air OA that has become the air supply flow. Discharged into
  • the outside air temperature sensor 9 and the outside air humidity sensor 10 are installed in a portion upstream of the total heat exchanger 4 in the air supply air path, that is, in an air path between the air supply inlet 7 and the total heat exchanger 4 There is.
  • a portion of the air supply air passage between the air supply air inlet 7 and the total heat exchanger 4 is referred to as an outside air air passage 30.
  • the outside air humidity sensor 10 is an outside air state sensor that detects the state of the outside air OA that is air upstream of the total heat exchanger 4 in the air supply air path.
  • the indoor temperature sensor 14 and the indoor humidity sensor 15 are installed in a portion of the exhaust air path upstream of the total heat exchanger 4, that is, in the air path between the exhaust suction port 8 and the total heat exchanger 4. .
  • a portion of the exhaust air passage between the exhaust suction port 8 and the total heat exchanger 4 is referred to as an indoor air passage 31.
  • the indoor humidity sensor 15 is an indoor air condition sensor that detects the condition of the indoor air RA that is the air on the upstream side of the total heat exchanger 4 in the exhaust air passage.
  • the outside air temperature sensor 9, the outside air humidity sensor 10, the room temperature sensor 14 and the room humidity sensor 15 are connected to the control unit 11, and the information about the outside air temperature TOA, the outside air humidity RHOA, the room temperature TRA and the room humidity RHRA is regular. Is sent to the control unit 11.
  • the outside air temperature sensor 9, the outside air humidity sensor 10, the room temperature sensor 14, and the room humidity sensor 15 constantly measure the temperature or the humidity regardless of the operating condition of the heat exchange ventilator 50. Therefore, information on the outside air temperature TOA, the outside air humidity RHOA, the room temperature TRA, and the room humidity RHRA is periodically transmitted to the control unit 11 even when the operation of the heat exchange ventilator 50 is stopped. That is, the state in which the heat exchange ventilator 50 is in operation is a state in which the air supply fan 3 and the exhaust air fan 2 are operating. Moreover, the state in which the heat exchange ventilator 50 is stopped is a state in which the blower 3 for air supply and the blower 2 for exhaust are stopped.
  • FIG. 2 is a flow chart showing the flow of an operation to determine whether or not an abnormality has occurred in the outside air humidity sensor of the heat exchange ventilator according to the first embodiment.
  • the control unit 11 determines whether the heat exchange ventilator 50 is in operation. If the heat exchange ventilator 50 is in operation, the answer to step S1 is YES, and the control unit 11 operates the heat exchange ventilator 50 in step S9. When the process proceeds from step S1 to step S9, since the heat exchange ventilator 50 is already in operation, the control unit 11 continues the operation of the heat exchange ventilator 50. If the heat exchange ventilator 50 is not in operation, Step S1 results in No, and the process proceeds to Step S2, and the control unit 11 measures the elapsed time after stopping the operation by the timer.
  • step S3 the control unit 11 determines whether an elapsed time after stopping the operation of the heat exchange ventilator 50 has become longer than T_stop.
  • T_stop is a threshold value for determining that the air condition in the heat exchange ventilator 50 is the same in the outdoor air passage 30 and the indoor air passage 31.
  • the air conditions such as temperature and humidity differ between the outdoor air passage 30 and the indoor air passage 31 during operation of the heat exchange ventilator 50, when the operation of the heat exchange ventilator 50 is stopped, the heat exchange ventilator according to the entropy increase rule Air conditions within 50 will become uniform.
  • step S3 If the elapsed time after stopping the operation of the heat exchange ventilator 50 is T_stop or less, the result is No in step S3, and the process returns to step S2, and the control unit 11 stops the operation of the heat exchange ventilator 50. Continue measuring elapsed time. If the elapsed time after stopping the operation of the heat exchange ventilator 50 is longer than T_stop, the result is Yes in step S3 and the process proceeds to step S4.
  • step S4 the control unit 11 determines whether to resume the operation of the heat exchange ventilator 50.
  • the conditions for resuming the operation of the heat exchange ventilator 50 include the case where the operation for operating the heat exchange ventilator 50 is performed through the remote controller 12 and the case where the humidity of the outside air OA falls below the threshold for starting the intermittent operation. be able to.
  • the determination in step S4 is Yes, and the control unit 11 proceeds to step S8 and clears the timer. Thereafter, in step S9, the control unit 11 starts the operation of the heat exchange ventilator 50.
  • the step S4 is No, and in the step S5, the control unit 11 determines the outside air temperature TOA detected by the outside air temperature sensor 9 and the room temperature TRA detected by the room temperature sensor 14. And the difference
  • the threshold value Ta is a threshold value for determining whether air has been agitated. If
  • step S5 If
  • step S6 the control unit 11 obtains a difference
  • the threshold value RHa is a threshold value for determining whether or not an abnormality has occurred in the outside air humidity sensor 10. If the
  • step S6 If
  • the heat exchange ventilator 50 includes an outdoor temperature sensor 9 and an outdoor humidity sensor 10 on the outdoor side, and includes an indoor temperature sensor 14 and an indoor humidity sensor 15 on the indoor side.
  • the outdoor temperature sensor 9 and the outdoor humidity sensor 10 on the outdoor side there is a possibility that an abnormality may occur in the sensor due to the adhesion of the contamination source substance.
  • fog or high humidity air is not drawn in unlike the outdoor side, and contamination source substances do not easily adhere, so that the indoor temperature sensor 14 and the indoor humidity sensor 15 hardly cause an abnormality. Therefore, the measurement result by the indoor humidity sensor 15 can be used as a reference for determining the presence or absence of abnormality of the outside air humidity sensor 10. That is, it can be determined using the measurement result of the indoor humidity sensor 15 whether or not an abnormality occurs in the outside air humidity sensor 10.
  • the threshold value RHa may be a difference from the difference from the control value to be controlled by the humidity sensor.
  • the threshold value RHa may be a difference between the upper limit value of the relative humidity management standard and the intermittent operation control start humidity RHHUM with high humidity.
  • control unit 11 When an abnormality occurs in the outside air humidity sensor 10, the control unit 11 causes the remote controller 12 to display information indicating that the deterioration with time occurs, so that the user generates an abnormality in the outside air humidity sensor 10 Can be easily recognized, and maintenance can be done promptly.
  • the control unit 11 By maintaining the outside air humidity sensor 10, it is possible to use the heat exchange ventilator 50 without any abnormality.
  • the outside air humidity sensor 10 is used only for intermittent operation control at high humidity, it is possible to detect the measurement error at high humidity if the threshold RHa is determined only when the indoor humidity RHRA is 70%. .
  • the heat exchange ventilator 50 can detect the deviation of the characteristic of the outside air humidity sensor 10 from the information on the outside air temperature, the outside air humidity, the room temperature, and the room humidity. That is, based on the detection result of the outside air temperature sensor 9 and the detection result of the room temperature sensor 14, it is determined whether the air in the heat exchange ventilator 50 is agitated or not, and then the detection result of the room humidity sensor 15 and the outside air Whether or not an abnormality occurs in the outside air humidity sensor 10 can be determined based on the difference from the detection result of the humidity sensor 10. Therefore, heat exchange ventilator 50 concerning Embodiment 1 can prevent that intermittent operation by false detection arises, when performing intermittent operation based on the open air humidity which open air humidity sensor 10 detects. Therefore, the heat exchange ventilator 50 according to the first embodiment can carry out accurate energy saving control and protection control of the ventilator.
  • the heat exchange ventilator 50 since the heat exchange ventilator 50 according to the first embodiment knows the magnitude of the measurement error of the outside air humidity sensor 10, the controller 11 measures the measurement error until the outside air humidity sensor 10 is replaced. By storing the true detection value corrected in consideration and controlling the heat exchange ventilator 50, even if an error occurs in the output of the outside air humidity sensor 10, the heat exchange ventilator 50 can be appropriately operated.
  • outside air temperature sensor 9 and the outside air humidity sensor 10 are provided on the upstream side of the total heat exchanger 4 of the air supply air path, but downstream of the total heat exchanger 4 of the exhaust air path It may be provided on the side part.
  • FIG. 3 is a view showing a configuration of a heat exchange ventilator according to a second embodiment of the present invention.
  • the heat exchange ventilator 50 according to the second embodiment measures the temperature of the direct expansion coil 16 that adjusts the temperature of the air supply flow, the humidification unit 17 that humidifies the air supply flow, and the temperature of the air supply flow blown out from the air supply outlet 6. It differs from the heat exchange ventilator 50 according to the first embodiment in that it has an air supply temperature sensor 18 and an air supply humidity sensor 19 that measures the humidity of the air supply flow blown out from the air supply outlet 6.
  • the direct expansion coil 16 and the humidifying unit 17 are installed at a portion downstream of the air supply fan 3 of the air supply path.
  • the direct expansion coil 16 is used for the purpose of dehumidifying air when the open air OA is at high temperature and high humidity, and is used for heating the air when the open air OA is at low temperature and low humidity. Since the air supply temperature sensor 18 and the air supply humidity sensor 19 are installed, the control unit 11 can recognize the amount of dehumidification and the amount of humidification of the air supply flow blown out from the air supply outlet 6. Therefore, the control unit 11 can calculate the dehumidifying ability or the humidifying ability to maintain the indoor humidity, and can achieve both indoor comfort and energy saving.
  • the air temperature sensor 18 and the air supply humidity sensor 19 include the outside air temperature sensor 9 and Similar to the outside air humidity sensor 10, there is a possibility that the pollutant contained in the outside air OA adheres.
  • the air flow is dehumidified by the direct expansion coil 16
  • the dew generated by the dehumidification adheres to the surface of the direct expansion coil 16, so the dew adhering to the surface of the direct expansion coil 16 flies away to supply air.
  • the temperature sensor 18 or the air supply humidity sensor 19 may be attached. Therefore, similar to the outside air temperature sensor 9 and the outside air humidity sensor 10, an abnormality may occur in the air supply temperature sensor 18 and the air supply humidity sensor 19.
  • the humidity of the air blown out from the air supply outlet 6 is high, and it is erroneously detected that the dehumidification is insufficient. In this case, since the control for increasing the dehumidifying ability is performed, the energy saving performance is impaired. Further, if there is a deviation in the supplied air humidity during the humidifying operation, the humidity of the air blown out from the air supply outlet 6 is high, and it is erroneously detected that the humidification is excessive. In this case, since the control to lower the humidifying ability is performed, the comfort of the room is reduced.
  • the air supply temperature sensor 18 and the air supply humidity sensor 19 can also detect that an abnormality has occurred by comparing the difference between the measurement results of the indoor temperature sensor 14 and the indoor humidity sensor 15 with a threshold, thereby saving energy and It can prevent the comfort of the room from being reduced.
  • the heat exchange ventilator 50 according to the second embodiment detects the deviation of the characteristics of the air supply humidity sensor 19 from the air supply temperature, the air supply humidity, the room temperature and the room humidity, and dehumidification is insufficient due to false detection. And excessive humidification can be prevented. Therefore, the heat exchange ventilator 50 according to the second embodiment can prevent the energy saving performance and the comfort in the room from being lowered.
  • FIG. 4 is a diagram showing a configuration of a heat exchange ventilator according to a third embodiment of the present invention.
  • the air flow path 30 which is a portion on the upstream side of the total heat exchanger 4 in the supply air flow path and the upstream side of the total heat exchanger 4 in the exhaust air path.
  • a direct air passage 32 is provided to connect the indoor air passage 31 as a part.
  • a damper 33 is installed in the direct air passage 32.
  • the direct connection air passage 32 is provided outside the main body casing 1 in FIG. 4, the direct connection air passage 32 may be a hole formed in a wall separating the outside air air passage 30 and the indoor air passage 31. .
  • the damper 33 opens and closes the hole forming the direct air passage 32.
  • the damper 33 blocks the direct air passage 32, and the air supply to the total heat exchanger 4 is not interrupted. Since the damper 33 blocks the direct air passage 32, the air in the outdoor air passage 30 and the air in the indoor air passage 31 can not mix, and the outdoor temperature sensor 9 and the outdoor humidity sensor 10 detect the temperature of the outdoor air OA and The humidity is measured, and the room temperature sensor 14 and the room humidity sensor 15 measure the temperature and humidity of the room air RA.
  • FIG. 5 is a diagram showing a state in which the direct air passage of the heat exchange ventilator according to the third embodiment is opened.
  • the damper 33 opens the direct air passage 32 and brings the outside air passage 30 into communication with the indoor air passage 31. Therefore, the air of the outdoor air passage 30 and the air of the indoor air passage 31 are mixed via the direct air passage 32, and the accuracy of the judgment of the presence or absence of abnormality of the outdoor air humidity sensor 10 is improved.
  • the air of the outdoor air passage 30 is forcibly taken into the indoor air passage 31, and the inside of the outdoor air passage 30 and the indoor air passage 31 may promote the equalization of the air condition inside.
  • the direct air passage 32 is opened to connect the outdoor air passage 30 and the indoor air passage 31 while the air supply blower 3 and the exhaust blower 2 are operated, and The air condition and the air condition of the indoor air passage 31 may be made uniform.
  • an air shutoff valve may be provided to shut off the outdoor air passage 30 and the indoor air passage 31 during normal operation.
  • FIG. 6 is a diagram showing a configuration of a heat exchange ventilator according to a fourth embodiment of the present invention.
  • a rotating portion 34 is provided on a wall that separates the outdoor air passage 30 from the indoor air passage 31.
  • the indoor humidity sensor 15 is installed on one side of the rotating unit 34.
  • the rotation unit 34 is provided with a rotation mechanism (not shown), and it is possible to switch whether the surface of the rotation unit 34 on which the indoor humidity sensor 15 is installed is the outdoor air passage 30 side or the indoor air passage 31 side. ing.
  • the indoor humidity sensor 15 is directed to the indoor air path 31 side, and detects the humidity of the indoor air RA.
  • FIG. 7 is a diagram showing a state in which the indoor humidity sensor of the heat exchange ventilator according to the fourth embodiment is directed to the outside air flow path side.
  • the rotating unit 34 rotates and the room humidity sensor 15 is directed to the outside air passage 30 side.
  • the indoor humidity sensor 15 and the outside air humidity sensor 10 detect the same air humidity in the outside air passage 30, the accuracy of the determination of the presence / absence of abnormality of the outside air humidity sensor 10 is improved.
  • the indoor humidity sensor 15 is directed to the indoor air path 31 by the rotation of the rotating unit 34, and measures the humidity of the indoor air RA.
  • outside air humidity sensor 10 can also be switched to point to the indoor air path 31 side or the outside air path 30 side, and when ventilation is stopped and the presence or absence of abnormality of the outside air humidity sensor 10 is not being determined, the indoor air path By directing it to the side 31, the time during which the outside air humidity sensor 10 is exposed to the contaminant contained in the outside air OA can be shortened.
  • the presence or absence of abnormality of the outside air humidity sensor 10 for detecting humidity is judged, the amount of gas component such as CO 2 sensor or ammonia sensor is determined. If it is a sensor to measure, the presence or absence of abnormality can be similarly judged. Also, if there are two sensors to be installed, one should be taken as a standard, so when operating the heat exchange ventilator 50 in an environment where the room air RA contains more water droplets or dust than the outside air OA. It is also possible to judge the presence or absence of abnormality of the indoor humidity sensor 15 on the basis of the measurement value of the outside air humidity sensor 10.
  • Embodiment 1 Embodiment 2, Embodiment 3 and Embodiment 4
  • the heat exchange ventilator 50 had the total heat exchanger 4 which performs total heat exchange
  • sensible heat It may be configured to have a sensible heat exchanger that performs only the replacement of
  • the functions of the control unit 11 according to the first to fourth embodiments are realized by a processing circuit. That is, based on the difference between the detection result of the outside air humidity sensor 10 and the measurement result of the room humidity sensor 15, the control unit 11 determines whether the outside air humidity sensor 10 is abnormal or not, and the air supply humidity sensor A processing circuit is provided which performs processing for determining whether or not an abnormality occurs in the air supply humidity sensor 19 based on the difference between the measurement result of S19 and the measurement result of the outside air humidity sensor 10.
  • the processing circuit may be dedicated hardware or an arithmetic device that executes a program stored in the storage device.
  • FIG. 8 is a diagram showing a configuration in which the function of the control unit according to any one of the first to fourth embodiments is realized by hardware.
  • the processing circuit 29 determines the abnormality of the outdoor air humidity sensor 10 based on the difference between the detection result of the outdoor air humidity sensor 10 and the measurement result of the indoor humidity sensor 15, and the air supply humidity sensor A logic circuit 29a is incorporated to realize a process of determining whether or not an abnormality has occurred in the air supply humidity sensor 19 based on the difference between the measurement result of S19 and the measurement result of the outside air humidity sensor 10.
  • the process of determining whether the air supply humidity sensor 19 has an abnormality based on the difference between the measurement result of the air humidity sensor 19 and the measurement result of the outside air humidity sensor 10 includes software, firmware, or software and firmware and It is realized by the combination of
  • FIG. 9 is a diagram showing a configuration in which the function of the control unit according to any one of the first to fourth embodiments is realized by software.
  • the processing circuit 29 includes an arithmetic unit 291 for executing the program 29b, a random access memory 292 used by the arithmetic unit 291 for a work area, and a storage unit 293 for storing the program 29b.
  • Arithmetic device 291 develops program 29 b stored in storage device 293 on random access memory 292 and executes it, based on the difference between the detection result of outdoor air humidity sensor 10 and the measurement result of indoor humidity sensor 15.
  • An abnormality occurs in the air supply humidity sensor 19 based on a process of determining whether an abnormality occurs in the outside air humidity sensor 10 and a difference between a measurement result of the air supply humidity sensor 19 and a measurement result of the outside air humidity sensor 10 And a process of determining whether or not it is determined.
  • the software or firmware is written in a programming language and stored in the storage device 293.
  • the arithmetic unit 291 can exemplify a central processing unit, but is not limited to this.
  • the processing circuit 29 realizes each processing by reading and executing the program 29 b stored in the storage device 293. That is, when executed by the processing circuit 29, the control unit 11 determines whether the outdoor air humidity sensor 10 is abnormal based on the difference between the detection result of the outdoor air humidity sensor 10 and the measurement result of the indoor humidity sensor 15. As a result, the step of determining whether the air supply humidity sensor 19 has an abnormality based on the difference between the measurement result of the air supply humidity sensor 19 and the measurement result of the outside air humidity sensor 10 A storage device 293 is provided for storing the program 29b to be executed. In addition, it can be said that the program 29b causes the computer to execute the above-described procedure and method.
  • the processing circuit 29 may be partially realized by dedicated hardware and partially realized by software or firmware.
  • the processing circuit 29 can implement the above-described functions by hardware, software, firmware, or a combination thereof.
  • the configuration shown in the above embodiment shows an example of the contents of the present invention, and can be combined with another known technique, and one of the configurations is possible within the scope of the present invention. Parts can be omitted or changed.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
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PCT/JP2017/037841 2017-10-19 2017-10-19 熱交換換気装置 WO2019077718A1 (ja)

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Application Number Priority Date Filing Date Title
CN201780095155.XA CN111201405B (zh) 2017-10-19 2017-10-19 热交换换气装置
PCT/JP2017/037841 WO2019077718A1 (ja) 2017-10-19 2017-10-19 熱交換換気装置
JP2019549066A JP6793850B2 (ja) 2017-10-19 2017-10-19 熱交換換気装置

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