CN1657837A - Air conditioner - Google Patents
Air conditioner Download PDFInfo
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- CN1657837A CN1657837A CN2004101021105A CN200410102110A CN1657837A CN 1657837 A CN1657837 A CN 1657837A CN 2004101021105 A CN2004101021105 A CN 2004101021105A CN 200410102110 A CN200410102110 A CN 200410102110A CN 1657837 A CN1657837 A CN 1657837A
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- Prior art keywords
- air
- indoor
- temperature
- outdoor
- room
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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
- F24F11/00—Control or safety arrangements
- F24F11/0001—Control or safety arrangements for ventilation
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0041—Indoor units, e.g. fan coil units characterised by exhaustion of inside air from the room
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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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
Disclosed is an air conditioner to prevent occurrence of dew condensation on at least a side of an indoor machine even when performing ventilation operation. During operation when room temperature is lower than outside air temperature, a controller obtains dew point temperature Tc of outdoor air based on temperature T2 of outdoor air measured by an outdoor temperature sensor and humidity H2 of outdoor air measured by an outdoor humidity sensor and then compares the dew point temperature Tc with temperature T1 of indoor air measured by an indoor temperature sensor. When Tc>T1+[alpha] (wherein, [alpha]>0), an air supply fan cannot start even if an attempt to supply air is made. During operation when outside air temperature is lower than room temperature, the controller obtains dew point temperature Tc of indoor air based on temperature T1 of indoor air measured by an indoor temperature sensor and humidity H1 of indoor air measured by an indoor humidity sensor and compares the dew point temperature Tc with temperature T2 of outdoor air measured by the outdoor temperature sensor. The air supply fan cannot start even if an attempt to supply air is made when Tc>T2+[beta] (wherein, [beta]>0).
Description
Technical field
The present invention relates to be equipped with the air conditioner of air interchanger.
Background technology
As this air conditioner, as shown in Figure 5, for example Yi Xia air conditioner is well-known (for example with reference to Patent Document 1).In indoor set 10, be provided with blast pipe 20 and air supply pipe 21, by being located at the rotation of the not shown fan in the ventilating unit 22, room air is discharged to for example outdoor by blast pipe 20 and passage 23, simultaneously, the rotation of the fan by not shown another, in the outdoor air suction chamber, carry out indoor ventilation by air supply pipe 21 and passage 23.
In addition, following air conditioner also is well-known (for example with reference to Patent Document 2).Promptly as shown in Figure 6, in indoor set 10, being provided with ventilation with blower fan 25, utilizing the rotating of fan 26 to switch, by a scavenge trunk 27 room air row to the outdoor while the outdoor air suction chamber in, thereby carry out indoor air-changing.Among the figure the 28, the 29th, send exhaust outlet.
No. 2629665 communique of [patent documentation 1] special permission
[patent documentation 2] spy opens the 2000-193269 communique
The problem that invention will solve
In the air conditioner that air interchanger is housed of the scheme that above-mentioned Patent Document 1,2 etc. is proposed, can make the indoor temperature desired that is adjusted to, simultaneously, owing to can carry out indoor air-changing,, existence carries out the advantage of indoor air-changing so needn't regularly windowing etc.But, in the air conditioner of the band air interchanger of above-mentioned existing structure, in ventilation,, go mouldy and unhygienic owing to the reason of dewfall produces in indoor pusher side dewfall.In addition, also there is the shortcoming that foreign odor etc. takes place sometimes as cause.
For example, in air conditioner shown in Figure 5, in the cooling operation when room temperature is lower than outdoor temperature, by air supply pipe high temperature, many wet outdoor air suction chamber in the time, be inhaled into indoor outdoor air and partly be cooled to dew-point temperature by the roughly the same air supply pipe of temperature and room temperature when following, moisture contained in outdoor air is just in the condensing dewfall in the inside of air supply pipe, goes mouldy in air supply pipe sometimes and foreign odor etc.
In the heating running when outdoor temperature is lower than room temperature, in the time of in the outdoor air suction chamber low temperature by air supply pipe, with cooling off air supply pipe by inner low temperature chamber outer air, condensing with the moisture in the room air that this air supply pipe outer surface contacts, in the outer surface dewfall of air supply pipe, its dew drips on floor etc. sometimes.
Therefore, even take a breath action, also must be at least in indoor pusher side dewfall not, it becomes the problem that solve.
Summary of the invention
In order to solve the problem of above-mentioned prior art, air conditioner of the present invention be equipped be located at indoor, be equipped with in inside the indoor set that carries out the heat exchanger that the refrigerant of heat exchange flows with room air be located at outdoor, by refrigerant pipe and the off-premises station that described indoor set is connected, be to have can carry out indoor air that handle is provided with described indoor set at least to outdoor discharge and outdoor air each the air interchanger type-dividing conditioner in indoor suction.It is provided with the ventilation running restraint device that limits described air interchanger running according to outdoor and indoor measuring amount temperature.
The invention effect
According to the present invention, can also prevent from simultaneously the dewfall of indoor set from therefore not produce in the ventilation of carrying out air feed by the suction chamber outer air because the water droplet that dewfall causes in the ventilation drips, or fault such as the change of mildewing.
Description of drawings
Fig. 1 is the key diagram of the air conditioner among first embodiment;
Fig. 2 is the key diagram of the air conditioner among second embodiment;
Fig. 3 is the key diagram of the air conditioner among the 3rd embodiment;
Fig. 4 is the key diagram of the air conditioner among the 4th embodiment;
Fig. 5 is the key diagram of prior art;
Fig. 6 is the key diagram of other prior art.
Symbol description
1 outer wall
2 wall caves
3 refrigerant pipes
4 scavenge trunks
4A indoor tube part
5 remote controls
6A, 6B condensation sensor
10 indoor sets
11 indoor side heat exchangers (heat exchanger)
12 scavenger fans
13 indoor temperature transmitters (temperature sensor)
14 indoor humidity sensors (humidity sensor)
15 control device
20 blast pipes
21 air supply pipes
22 ventilating units
23 passages
25 ventilation pressure fans
26 fans
27 scavenge trunks
28,29 send exhaust outlet
30 off-premises stations
31 compressors
32 outdoor heat exchangers
33 cross valves
34 air-feeding ventilators
35 outdoor temperature sensor (temperature sensor)
36 outside humidity sensors (humidity sensor)
The specific embodiment
The present invention constitutes the structure with ventilation running restraint device.It is in the dew-point temperature Tc that compares room outer air (outdoor air) and the temperature T 1 of room air, for example when Tc＞T1+ α (α＞0), be in the cooling operation of room temperature when lower than outside air temperature, and in the dew-point temperature Tc that compares room air and the temperature T 2 of room outer air, for example when Tc＞T2+ β (β＞0), be that outdoor temperature is than in the low heating running of room temperature, even desire starting feeder air feed is to indoor air-changing, also can inoperative its feeder and limit the running of air interchanger.Record and narrate embodiments of the invention below
Embodiment 1
Below, according to Fig. 1 to Fig. 4 the first embodiment of the present invention is described.For the ease of understanding, in these figure to give identical symbol in described Fig. 5, Fig. 6 with the part that the part that has illustrated has an identical function.
The air conditioner 100 of first embodiment as shown in Figure 1, by comprising that the off-premises station 30 that is arranged on indoor indoor set 10 and is provided with without constitutes, the cross valve 33 that is arranged at the indoor indoor heat converter 11 in the described indoor set 10, the compressor 31 that is arranged at off-premises station 30, outdoor heat exchanger 32 and is formed by cross valve forms available described cross valve 33 and carries out the refrigerant circulation road that stream is changed by passing refrigerant pipe 3 connections that the wall cave 2 that is opened on the building outer wall 1 dispose.
The same with refrigerant pipe 3, link together with air-feeding ventilator 34 with scavenger fan 12 and the ventilation that is located in the off-premises station 30 by passing the scavenge trunk 4 that the wall cave 2 that is opened on the building outer wall 1 disposes, make the ventilation that is located in the indoor set 10.And then the not shown control line that indoor set 10 and off-premises station 30 usefulness are passed 2 configurations of wall cave is electrically connected.At this, described ventilation can not be located at the inside of off-premises station 30 with air-feeding ventilator 34, can be in the centre position of described wall cave 2 and off-premises station 30.In addition, take a breath with the same inside that also can be located at indoor set 10 of air-feeding ventilator 34 with scavenger fan.
And in the air conditioner 100 of above-mentioned formation, arrive the indoor side heat exchanger 11 of indoor set 10 through outdoor heat exchanger 32 when the refrigerant steam that in compressor 31, is compressed into HTHP at off-premises station 30, afterwards, when adjustment cross valve 33 makes refrigerant return compressor 31, can make with the indoor side heat exchanger 11 of described indoor set 10 by the air heat release condensing refrigerant evaporation of outdoor heat exchanger 32 outside the room, make the room air cooling.In addition, the refrigerant steam of the HTHP that is compressed into described compressor 31 is directly delivered to indoor side heat exchanger 11, afterwards, adjusting cross valve 33 makes when outdoor heat exchanger 32 makes refrigerant return compressor 31, because to carry out heat exchange condensing with room air in indoor side heat exchanger 11 for the refrigerant steam of the HTHP that can be compressed into compressor 31, main condensing heat heating room air with refrigerant is so be provided with the indoor refrigeration and heating etc. that carries out of indoor set 10.
As long as the running of the scavenger fan 12 of indoor set 10, room air just are deflated fan 12 and suck, be discharged to (outdoor) outside the room through the air-feeding ventilator 34 of scavenge trunk 4 and off-premises station 30; On the other hand, if air-feeding ventilator 34 runnings, the air of (outdoor) just is inhaled into air-feeding ventilator 34 outside the room, introduces indoor through the scavenger fan 12 of scavenge trunk 4 and indoor set 10.
Therefore, in air conditioner 100 of the present invention, can not only carry out refrigeration and heating running, also carry out indoor air-changing by in scavenger fan 12, the air-feeding ventilator 34 any turned round.The scavenger fan 12 that even turns round, room air is discharged from outside the room, indoorly carries out indoor air-changing by introducing fresh outdoor air what force down than atmosphere; If running air-feeding ventilator 34, fresh outdoor air is introduced into indoor, and the room air higher than atmospheric pressure spills outdoor the ventilation.
When indoor set 10 is arranged on good indoor of air-tightness, introducing spills this indoor air and tails off, particularly because at running scavenger fan 12, room air is discharged to outside the room, it is unfavorable when post-decompression indoor leakage is advanced outdoor air and carried out indoor air-changing, scavenger fan 12 and air-feeding ventilator 34 so in the airtight dwelling house of height, preferably turn round alternately, but as mentioned above, any one also can carry out indoor air-changing by only turning round.
In indoor set 10, be provided with the indoor temperature transmitter 13 of the temperature (room temperature) that is used to measure room air and be used to measure the indoor humidity sensor 14 of the humidity (indoor humidity) of room air, and in off-premises station 30, be provided with the outdoor temperature sensor 35 and the outside humidity sensor 36 that is used to measure the humidity (humidity outside the room) of room outer air of the temperature (outside air temperature) that is used for the measuring chamber outer air.
In indoor set 10, be provided with control device 15, by the operation of remote control 5 grades, the temperature T 1 of the room air of measuring according to the indoor temperature transmitter 13 and the indoor humidity sensor 14 of indoor set 10 and humidity H1 can carry out the ventilation running of refrigeration and heating and dehumidifying running and starting scavenger fan 12 or air-feeding ventilator 34.
And then, in air conditioner 100 of the present invention, constitute following structure, even the operation indication by remote control 5 grades is turned round by the ventilation of the starting air feed of air-feeding ventilator 34, and the ventilation of storing in the not shown memory by control device 15 running control program, inoperative under given conditions air-feeding ventilator 34 makes in indoor set 10 sides dewfall not.
For example, if in the cooling operation when outside air temperature is higher than room temperature, the described air-feeding ventilator 34 that turns round is taken a breath, be cooled below dewpoint when indoor tube part 4A by the rough consistent scavenge trunk 4 of temperature and room temperature and part scavenger fan 12 owing to be introduced into indoor room outer air, as the water vapour of the moisture of room outer air duty sometimes in the condensing dewfall in the inside of indoor tube part 4A and part scavenger fan 12.
Therefore, the ventilation running control program of storing in the not shown memory of control device 15 is constructed as follows.At first, the temperature T 2 of the outdoor air of measuring according to outdoor temperature sensor 35 and the humidity H2 of the outdoor air that outside humidity sensor 36 is measured calculate the dew-point temperature Tc of this air, secondly the temperature T 1 of the room air measured of this dew-point temperature Tc and indoor temperature transmitter 13 relatively.
Running air-feeding ventilator 34 contacts with the room outer air of introducing indoor high temperature, the indoor tube part 4A of scavenge trunk 4 and scavenger fan 12 temperature will rise.Therefore, do not drop to temperature T 1 owing to introduce indoor room outer air, running air-feeding ventilator 34, the dew-point temperature Tc that introduces indoor room outer air is consistent with the temperature T 1 of the room air that indoor temperature transmitter 13 is measured, in introducing indoor room outer air contained water vapour can be in the indoor tube part 4A of scavenge trunk 4 and part scavenger fan 12 yet dewfall.
Because the room outer air is introduced the temperature ascensional range of the indoor tube part 4A of the scavenge trunk 4 when indoor and scavenger fan 12 and physical characteristic, shape and sizes etc. such as specific heat that rate of rise in temperature relies on the material that constitutes them and pyroconductivity, so consider the correction value α that determines according to various experiments, the turn round ventilation running control program of temperature T 1 of the dew-point temperature Tc of the room outer air that air-feeding ventilator 34 introduces and the room air that indoor temperature transmitter 13 is measured of constituent ratio.
And in the cooling operation when room temperature is lower than outside air temperature, for example when Tc＞T1+ α (α＞0), even constitute the also inoperative structure of desire starting air-feeding ventilator 34 such as operating and remote controlling device 5.Thereby, in the running when room temperature is lower than outside air temperature, can not introduce indoor the ventilation to the room outer air of the high humidity of easy dewfall.Can not cause the fault of so-called water vapour contained in introducing indoor room outer air thus in the condensing dewfall in inside of the indoor tube part 4A of scavenge trunk 4 and scavenger fan 12.
On the other hand, if in the outside air temperature heating running lower than room temperature, running air-feeding ventilator 34 is introduced the room outer air of low temperature by scavenge trunk 4 and scavenger fan 12 indoor, and then the temperature of the indoor tube part 4A of scavenge trunk 4 and scavenger fan 12 descends.Afterwards, the part low with the indoor tube part 4A of scavenge trunk 4 and the temperature of scavenger fan 12 contacts, the temperature of room air drops to below the dew point point temperature, and the water vapour in the room air can be in the condensing dewfall of exterior portion of indoor tube 4A and scavenger fan 12 sometimes.
Therefore, the ventilation running control program of storing in the not shown memory of control device 15 is to be constructed as follows.At first, the temperature T 1 of the room air of measuring according to indoor temperature transmitter 13 and the humidity H1 of the room air that indoor humidity sensor 14 is measured calculate the dew-point temperature Tc of room air, relatively the temperature T 2 of the room air measured of this dew-point temperature Tc and outdoor temperature sensor 35.
Running air-feeding ventilator 34, contact with the room outer air of introducing indoor low temperature, the indoor tube part 4A of scavenge trunk 4 and scavenger fan 12 temperature descend, but because its exterior side contacts with the room air higher than room outer air temperature, therefore, the temperature of the indoor tube part 4A of scavenge trunk 4 and scavenger fan 12 exterior sides can not drop to the temperature T 2 of room outer air.Thereby, even the dew-point temperature Tc of room air is consistent with the temperature T 2 that running air-feeding ventilator 34 is introduced indoor room outer air, can be as the water vapour of moisture contained in room air in the condensing dewfall of exterior side of the indoor tube part 4A and the scavenger fan 12 of scavenge trunk 4 yet.
Because the room outer air is introduced the temperature fall of the indoor tube part 4A of the scavenge trunk 4 when indoor and scavenger fan 12 and physical characteristic, shape and sizes etc. such as specific heat that the temperature decrease speed all depends on the material that constitutes them and pyroconductivity, so consider the correction value β that determines according to various experiments, the temperature T 2 of the room outer air that constituent ratio is measured than the dew-point temperature Tc and the outdoor temperature sensor 35 of room air.
Promptly in the cooling operation when outside air temperature is lower than room temperature, configuration example as Tc＞T2+ β (β＞0) even the time be that operating and remote controlling device 5 grades desire to make the also inoperative structure of air-feeding ventilator 34 startings.Thereby, in the running when outside air temperature that the dew-point temperature of room air uprises is lower than room temperature, can not introduce indoor the ventilation to the extremely low room outer air of temperature.Can not cause the fault of so-called water vapour contained in room air thus in the condensing dewfall in the outside of the indoor tube part 4A of scavenge trunk 4 and scavenger fan 12.
Embodiment two
According to Fig. 2 the second embodiment of the present invention is described.Be provided with the damper 16 of air flow circuit conversion usefulness in the indoor set 10 of air conditioner 100 in a second embodiment, with the indoor temperature transmitter 13 of indoor set 10 and indoor humidity sensor 14 temperature and humidity in can not only measuring chamber, can also start air-feeding ventilator 34, measure the temperature and humidity of the room outer air of introducing by scavenge trunk 4 and scavenger fan 12.Therefore, temperature sensor and humidity sensor are not set in off-premises station 30.
When promptly being arranged to switch among Fig. 2 the position shown in the solid line as damper 16, the room air that flows to indoor side heat exchanger 11 flows to indoor temperature transmitter 13 and indoor humidity sensor 14, measures the temperature T 1 and the humidity H1 of room air with indoor temperature transmitter 13 and indoor humidity sensor 14.When damper 16 switches to position shown in dotted lines in Figure 2, and running air-feeding ventilator 34, when outside the room, introducing air by blast pipe 4 and scavenger fan 12, the room outer air of this introducing flows to indoor temperature transmitter 13 and indoor humidity sensor 14, measures the temperature T 2 and the humidity H2 of room outer air with indoor temperature transmitter 13 and indoor humidity sensor 14.
Indoor air humidity H1, room outer air humidity H2 that indoor air temperature T1, room outer air temperature T 2, the indoor humidity sensor 14 that the ventilation of storing in the not shown memory of control device 15 running control program is designed so that to measure with indoor temperature transmitter 13 measured, the dew-point temperature Tc of counting chamber outer air during the cooling operation when room temperature is lower than outside air temperature respectively calculates the dew-point temperature Tc of room air during heating running when outside air temperature is lower than room temperature; In the running when this room temperature is lower than outside air temperature, for example when Tc＞T1+ α (α＞0), air-feeding ventilator 34 shuts down; In the running when outside air temperature is lower than room temperature, for example when Tc＞T2+ β (β＞0), air-feeding ventilator 34 shuts down.
Therefore, in the air conditioner 100 of this second embodiment, in the running when room temperature is lower than outside air temperature, owing to the room outer air of the high humidity of easy dewfall is introduced indoor the ventilation, so can not cause the fault of what is called in the inboard condensing dewfall of the indoor tube part 4A of scavenge trunk 4 and scavenger fan 12; In the running when outside air temperature that the room air dew-point temperature uprises is lower than room temperature, owing to also the extremely low room outer air of temperature is introduced indoor the ventilation, so also can not cause the fault of what is called in the condensing dewfall in the outside of the indoor tube part 4A of scavenge trunk 4 and scavenger fan 12.
Embodiment three
The third embodiment of the present invention is described with reference to the accompanying drawings.Though in the off-premises station 30 of the air conditioner 100 of the 3rd embodiment, be provided with cheap outdoor temperature sensor 35, the humidity sensor of high price be not set.
And the temperature T 2 that the humidity of room outer air is measured according to outdoor temperature sensor 35 is calculated, calculate the dew-point temperature Tc of room outer air according to this reckoning humidity with the running of the ventilation in the not shown memory that is stored in control device 15 control program, the indoor air temperature T1 that measures according to its dew-point temperature Tc and indoor temperature transmitter 13, when making cooling operation when room temperature is lower than outside air temperature, introducing indoor air outside the room can be in the condensing dewfall in inside of the indoor tube part 4A and the scavenger fan 12 of scavenge trunk 4.
Promptly, the temperature T 2 of supposing the room outer air that outdoor temperature sensor 35 is measured for example less than 28 ℃ the time humidity be 80%, equal 28 ℃ and more than it the time humidity be 70%, be stored in advance in the not shown memory of control device 15, the dew-point temperature Tc of temperature T 2 its room outer air of decision of the room outer air of measuring according to outdoor temperature sensor 35 with the ventilation in the not shown memory that is stored in control device 15 running control program, the indoor air temperature T1 that measures according to its dew-point temperature Tc and indoor temperature transmitter 13, during cooling operation when room temperature is lower than outside air temperature, introducing indoor air outside the room can be in the condensing dewfall in inside of the indoor tube part 4A and the scavenger fan 12 of scavenge trunk 4.For example when Tc＞T1+ α (α＞0), air-feeding ventilator 34 shuts down.
Therefore, in the air conditioner 100 of the 3rd embodiment, in the running when room temperature is lower than outside air temperature, owing to the room outer air of the high humidity of easy dewfall is introduced indoor the ventilation, so can not cause so-called indoor tube part 4A and the inboard conduct of scavenger fan 12 fault of the condensing dewfall of water vapour of contained moisture in the air without at scavenge trunk 4.
In addition, also can followingly constitute, the relation of the temperature and humidity of room outer air diagrammatized to be stored in the not shown memory of control device 15 in advance, and the temperature T 2 of the room outer air of measuring according to this chart and outdoor temperature sensor 35 is calculated the humidity of these room outer air.In addition, also can in control device 15, clock loop be set, additional season and time on the temperature T 2 of the room outer air that outdoor temperature sensor 35 is measured, the humidity of reckoning room outer air.
In the air conditioner 100 of the 3rd embodiment, when the heating when outside air temperature is lower than room temperature is turned round, the same with air conditioner 100 grades of described first embodiment, the ventilation running control program that is stored in the not shown memory of control device 15 also can followingly constitute.Promptly the indoor air humidity H1 that measures of indoor air temperature T1 that measures according to indoor temperature transmitter 13 and indoor humidity sensor 14 calculates the dew-point temperature Tc that obtains room air, the outside air temperature T2 that measures of this dew-point temperature Tc and outdoor temperature sensor 35 relatively, for example when Tc＞T2+ β (β＞0), stop the running of air-feeding ventilator 34, can not cause the fault of so-called room air in the condensing dewfall in the outside of the indoor tube part 4A of scavenge trunk 4 and scavenger fan 12.
Embodiment 4
According to Fig. 4 the fourth embodiment of the present invention is described.The outside of the indoor tube part 4A of and scavenge trunk 4 inboard at the openend of the indoor tube part 4A of scavenge trunk 4 is respectively equipped with condensation sensor 6A, 6B in the air conditioner 100 of the 4th embodiment.
Being stored in ventilation running control program in the not shown memory of control device 15 constitutes in the cooling operation when room temperature is lower than outdoor temperature, running air-feeding ventilator 34 is introduced the high room outer air of temperature when indoor by scavenge trunk 4 and scavenger fan 12, when the signal of the surface sweating of the condensation sensor 6A that is located at scavenge trunk 4 inside, condensation sensor 6A output regulation, stop the running of air-feeding ventilator 34 at once.In addition, when the heating when outside air temperature is lower than room temperature is turned round, running air-feeding ventilator 34, the low room outer air of temperature is introduced when indoor by scavenge trunk 4 and scavenger fan 12, when the signal of the surface sweating of the condensation sensor 6B that is located at scavenge trunk 4 outsides, condensation sensor 6B output regulation, also stop the running of air-feeding ventilator 34 at once.
Thereby in the air conditioner 100 of the 4th embodiment, the ventilation running just stops at once during owing to dewfall in the running of taking a breath, so dew evaporates in temperature rising after this by dewfall portion, dewfall is eliminated.
The ventilation running control program of the not shown memory stores of control device 15 also can followingly constitute.At the signal of the medium described when ventilation condensation sensor 6A output regulation of cooling operation, when stopping the running of air-feeding ventilator 34, in the stipulated time thereafter, as about 1～5 minute running scavenger fan 12.
If the ventilation of control device 15 running control program such as above-mentioned formation and since moment dewfall scavenge trunk 4 and scavenger fan 12 inside can transport the room air that temperature reaches and surpass dew-point temperature forcibly, so dew can more promptly evaporate.
The invention is not restricted to the foregoing description, in the scope that does not break away from the aim of putting down in writing in claims, can carry out various distortion.
For example, be to shorten the pipe arrangement distance of scavenge trunk 4, air-feeding ventilator 34 also can not be located in the off-premises station 30, and is arranged near the wall cave 2 the outside wall surface.Like this, in the time of on the outside wall surface that air-feeding ventilator 34 is arranged on outer wall 1, outdoor temperature sensor 35 and outside humidity sensor 36 both can closely connect air-feeding ventilator 34 and be provided with, and also can be arranged in the off-premises station 30.
In addition, also can replace scavenger fan 12 and air-feeding ventilator 34, in scavenge trunk 4, be provided with one can be just/fan that counter-rotating is switched.
And then, as described in patent documentation 1, also can replace scavenge trunk 4, be provided for the air outside the room being introduced indoor air supply pipe and being used for indoor air is discharged to the outdoor blast pipe that waits outside the room, special-purpose fan is set respectively.
Ventilation running control program as the not shown memory stores of control device 15 also can followingly constitute, when in possible dewfall of indoor set 1 one sides or condensation sensor affirmation dewfall, do not stop the running of air-feeding ventilator 34, the velocity of rotation that suppresses air-feeding ventilator 34 is in normal speed and following, and for example 30% (pyroconductivity, specific heat, thickness, length and shape etc. according to pipeline can change) for normal speed continues ventilation on a small quantity.
Carry out such control, so because the dewfall amount the reduces ventilation very fast end of dewfall evaporation of water when stopping, can expecting to suppress to go mouldy and effect that foreign odor takes place.
Claims (5)
1. air conditioner, it comprise be located at indoor, the indoor set that carries out the heat exchanger that the refrigerant of heat exchange flows with room air is housed in inside and is located at off-premises station outdoor, that be connected with described indoor set by the refrigerant pipe, be to have to carry out at least the indoor air that is provided with described indoor set to outdoor discharge and outdoor air each the type-dividing conditioner of air interchanger in indoor suction, it is characterized in that, be provided with the ventilation running restraint device that limits described air interchanger running according to outdoor and indoor measurement temperature.
2. air conditioner as claimed in claim 1 is characterized in that, by in the described outdoor air inlet chamber and the ventilation of air feed running according to outdoor and indoor measurement temperature by the restriction of ventilation running restraint device.
3. air conditioner as claimed in claim 1 or 2 is characterized in that, the running restriction of the air interchanger that is produced by described ventilation running restraint device is additional to be located at the humidity data that the humidity sensor in the described indoor set measures and to carry out.
4. air conditioner, it comprise be located at indoor, be equipped with in inside with room air and carry out the indoor set of the heat exchanger that the refrigerant of heat exchange flows and be located at outdoor, the off-premises station that is connected with described indoor set by the refrigerant pipe, be to have to carry out at least the indoor air that is provided with described indoor set to outdoor discharge and outdoor air each the type-dividing conditioner of air interchanger in indoor suction, it is characterized in that, on the ventilation road of described air interchanger, be provided with condensation sensor, and be provided with the ventilation running restraint device of the running of the described air interchanger of exporting according to this condensation sensor of signal limitations.
5. air conditioner as claimed in claim 4 is characterized in that, described condensation sensor is located at this two place, outside of the inboard and indoor in this air supply pipe of the air supply pipe that makes in the outdoor air inlet chamber.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004041692 | 2004-02-18 | ||
| JP41692/04 | 2004-02-18 | ||
| JP41692/2004 | 2004-02-18 | ||
| JP323096/04 | 2004-11-08 | ||
| JP323096/2004 | 2004-11-08 | ||
| JP2004323096A JP2005265401A (en) | 2004-02-18 | 2004-11-08 | Air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1657837A true CN1657837A (en) | 2005-08-24 |
| CN1301389C CN1301389C (en) | 2007-02-21 |
Family
ID=35007487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004101021105A Expired - Fee Related CN1301389C (en) | 2004-02-18 | 2004-12-14 | Air conditioner |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2005265401A (en) |
| KR (1) | KR100643258B1 (en) |
| CN (1) | CN1301389C (en) |
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| CN102667355A (en) * | 2009-11-02 | 2012-09-12 | (株)庆东Navien公司 | Total heat exchange-type ventilating apparatus, and method for controlling same |
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| JPS5971941A (en) * | 1982-10-18 | 1984-04-23 | Toshiba Corp | Ventilating fan |
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- 2004-11-08 JP JP2004323096A patent/JP2005265401A/en active Pending
- 2004-12-14 CN CNB2004101021105A patent/CN1301389C/en not_active Expired - Fee Related
-
2005
- 2005-01-04 KR KR1020050000567A patent/KR100643258B1/en not_active IP Right Cessation
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Also Published As
| Publication number | Publication date |
|---|---|
| KR20050082421A (en) | 2005-08-23 |
| CN1301389C (en) | 2007-02-21 |
| KR100643258B1 (en) | 2006-11-10 |
| JP2005265401A (en) | 2005-09-29 |
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