CN101317041A - Heat exchange type ventilator - Google Patents

Heat exchange type ventilator Download PDF

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Publication number
CN101317041A
CN101317041A CNA2006800445672A CN200680044567A CN101317041A CN 101317041 A CN101317041 A CN 101317041A CN A2006800445672 A CNA2006800445672 A CN A2006800445672A CN 200680044567 A CN200680044567 A CN 200680044567A CN 101317041 A CN101317041 A CN 101317041A
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CN
China
Prior art keywords
damper
heat exchange
exhaust
air feed
air
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Application number
CNA2006800445672A
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Chinese (zh)
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CN101317041B (en
Inventor
织户忍
藤泽秀行
安井伸行
东城正佳
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Panasonic Holdings Corp
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Matsushita Electric Industrial Co Ltd
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Priority claimed from JP2005366074A external-priority patent/JP2007170713A/en
Priority claimed from JP2005366073A external-priority patent/JP2007170712A/en
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority claimed from PCT/JP2006/308838 external-priority patent/WO2007069349A1/en
Publication of CN101317041A publication Critical patent/CN101317041A/en
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Publication of CN101317041B publication Critical patent/CN101317041B/en
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Abstract

The present invention provides a heat exchange type ventilator in which the size of a flow passage changing unit provided with a damper can be reduced. The ventilator includes a partition plate (211) partitioning an exhaust flow passage (209) from an intake flow passage (210), an exhaust damper receiver (213) having an exhaust opening (212), and an intake opening (214). The ventilator further includes a flow passage changing unit (222) having an intake damper receiver (215), an exhaust damper (216) opening and closing the exhaust opening (212), and an intake damper (217) opening and closing the intake opening (214). A damper side bent part (224) is provided in the exhaust damper (216) and the intake damper (217), and a receiving side bent part (223) is provided near the end parts of the exhaust damper receiver (213) and the intake damper receiver (215) along the damper side bent part (224).

Description

Heat exchange type ventilator
Technical field
The present invention relates to a kind of heat exchange type ventilator that for example uses in the low temperature region etc., relate in particular to a kind of heat exchange type ventilator that prevents that heat exchange elements from freezing.
Background technology
What in the past, be equipped with air interchanger on heat exchange type ventilator prevents freezing plant (for example, Japanese Utility Model is opened in fact clear 62-17743 communique).
Below, with reference to Figure 25 and Figure 26, the freezing plant that prevents of this air interchanger is described.As shown in figure 25, report to the leadship after accomplishing a task in the inside of body 101 and be formed with exhaust flow path 102 and air feed stream 103.In their portion of reporting to the leadship after accomplishing a task, be equipped with heat exchanger 104.Dispose the casing 107 that is provided with low temperature stream 105 and high temperature stream 106 in the suction side of body 101.On casing 107 1 sides' side, be provided with low temperature stream inlet 108 and high temperature stream inlet 109, in addition, on its another side, be provided with cryogenic flow way outlet 110 and high-temperature stream way outlet 111.Cryogenic flow way outlet 110 is connected on the suction inlet 112 of body 101, and high-temperature stream way outlet 111 is connected with the suction inlet 113 of body.Dividing plate 115 with opening 114 constitutes and separates low temperature stream 102 and high temperature stream 103, also is communicated with this two paths simultaneously.And, also be respectively arranged with: be articulated in the damper 116 that also alternately opens and closes opening 114 and low temperature stream inlet 108 on the low temperature stream 105; And the damper 117 that is articulated on the high temperature stream 106 and alternately opens and closes opening 114 and high-temperature stream way outlet 111.Low from the temperature of the air of outdoor inflow low temperature stream inlet 108, thereby when heat exchanger 104 takes place to freeze, rotary damper 116,117, open opening 114 simultaneously, close low temperature stream inlet 108 and high-temperature stream way outlet 111, thereby melt icing by heat exchanger 104 from the high temperature air that high temperature stream inlet 109 flows into.
Preventing in the freezing plant of so in the past air interchanger, it is the so bigger switching angles of 90 degree that being used for of damper 116,117 must prepare the switching angle that low temperature stream inlet 108, high-temperature stream way outlet 111 and opening 114 open and close.Therefore, can produce the drawback that casing 107 becomes large-scale, the miniaturization of now preferred casing 107.
In addition, when the icing thawing of heat exchanger 104,, need for a long time so melt because only heat exchanger 104 direction is led to high temperature air.Therefore, require interior thawing of short time to freeze now.
Summary of the invention
The invention provides and a kind ofly can realize the miniaturization of stream switch unit, and realize the easy of heat exchange machine, the thawing that can freeze at short notice, and, realize the heat exchange type ventilator of cost degradation.
Heat exchange type ventilator of the present invention has:
(a) carry out from indoor exhaust stream with from the heat exchanger of the heat exchange of outdoor air feed stream;
(b) form the exhaust pressure fan that exhaust is flowed;
(c) be provided with the ventilating unit that the air feed that forms air feed stream is used pressure fan;
(d) separate the demarcation strip of exhaust flow path and air feed stream;
(e) have exhaust port that exhaust circulation crosses, be arranged on the exhaust damper bearing piece on the exhaust flow path;
(f) have air feed opening that air feed stream passes through, be arranged on the air feed damper bearing piece on the air feed stream;
(g) the exhaust damper of switching exhaust port;
(h) has the stream switch unit of the air feed damper that opens and closes the air feed opening;
(i) be arranged on and bear the side joggling part near the end of exhaust damper bearing piece and air feed damper bearing piece;
(j) along exhaust damper bearing piece and air feed damper bearing piece bear side joggling part warpage, and be arranged on the damper side joggling part on exhaust damper and the air feed damper.
According to said structure, especially because by warpage and little exhaust damper bearing piece, air feed damper bearing piece, exhaust damper and the air feed damper of width, can access big exhaust port and air feed opening, so can realize the miniaturization of stream switch unit.In addition, even the anglec of rotation of exhaust damper and air feed damper is set very for a short time, also can get rid of the drawback that exhaust damper and air feed damper become the obstacle of exhaust flow path and air feed stream.
In addition, heat exchange type ventilator of the present invention is with the damper side joggling part of said structure important document (j) the direction warpage that flows to guides wind.Thus, it is big that the opening of exhaust and air feed becomes, and taking in property becomes good simultaneously, realizes low pressure lossization, low noiseization, and can access rectification effect.
In addition, heat exchange type ventilator of the present invention has: the circulation openings at the demarcation strip opening that is provided with in order to be communicated with exhaust flow path and air feed stream shown in above-mentioned structure important document (d); And the circulation damper that opens and closes this circulation openings.
In addition, on these three openings of exhaust port, air feed opening and circulation openings, set exhaust damper, air feed damper and circulation damper respectively.When ablation heat interchanger icing, close exhaust port and air feed opening by exhaust damper and air feed damper.,, the ventilation road of warm room air by side's side of heat exchanger arranged then in the ventilating unit side if thereby the circulation damper is opened the circulation openings opening.After the warm heat exchanger of warm room air, further form and flow into the air feed stream, again the ventilation road of the opposing party's side by heat exchanger and at the circulation stream of indoor circulation from circulation openings.According to such structure, the warm air of heat exchanger is by twice, thus the thawing time of freezing that can the shortening heat interchanger.And the size of exhaust port, air feed opening and circulation openings can freely be set.
In addition, heat exchange type ventilator of the present invention is formed in exhaust damper, air feed damper and circulation damper and utilizes the blast of exhaust stream and air feed stream to close on the direction of exhaust port, air feed opening and circulation openings.Like this, in the bubble-tight while of improving exhaust port, air feed opening and circulation openings, also can suppress owing to air feed stream contacts the situation of condensing that produces with exhaust stream.
In addition, heat exchange type ventilator of the present invention forms one with exhaust damper, air feed damper and circulation damper, and is come these dampers are opened and closed simultaneously and constitute by the integrated and rotating shaft damper that constitutes.Thus, because can adopt a damper motor, so can realize the miniaturization and the cost degradation of heat exchange type ventilator.
In addition, the heat exchange type ventilator of the present invention damper motor that will drive the damper rotating shaft that exhaust damper, air feed damper and circulation damper are opened and closed integratedly is arranged in the stream switch unit.Because can below the stream switch unit, side safeguard, thus compare with the situation that the damper motor is arranged on the outside, below side safeguard that the space does not need to increase.Thereby, can realize the miniaturization of stream switch unit.
In addition, heat exchange type ventilator of the present invention all is arranged on the rotating shaft of damper motor and damper in the exhaust flow path.According to such structure, do not have to connect the demarcation strip that separates exhaust flow path and air feed stream because link each rotating shaft and the movable bar of damper motor and damper, so the tightness of demarcation strip improves.Anti-coagulability improves, simultaneously also can be with the damper motor configurations under the environment near normal temperature.Thereby the temperature restriction of damper motor obtains relaxing, thereby can realize that cost reduces.
In addition, heat exchange type ventilator of the present invention constitutes the damper motor from exhaust damper, air feed damper and the mounting or dismounting of circulation damper freely.When heat exchange type ventilator is safeguarded, because as long as the damper motor is unloaded, so can easily carry out upkeep operation.In addition, by damper motor and damper are formed one, can dispose damper in the mode that connects demarcation strip.Thus, the separation at necessary in the past demarcation strip just no longer needs in order to safeguard damper.
In addition, heat exchange type ventilator of the present invention is all carried out the on-off action of exhaust damper, air feed damper and circulation damper by damper motor self.Like this, the opening and closing speed that can get rid of damper is subjected to the drawback of influenced by wind pressure, also can suppress the generation of impulsive sound etc.And, compare with the situation of utilizing spring that the switching of damper is recovered, can be superior to blast and carry out on-off action more reliably.
In addition, heat exchange type ventilator of the present invention links the rotating shaft of damper motor-side and the rotating shaft of damper side by bar, and staggers in the position of the rotating shaft of the rotating shaft of damper motor-side and damper side.Like this, by by bar in conjunction with the rotating shaft of damper motor-side and the rotating shaft of damper, and make the rotating shaft rotation of damper motor-side, make bar reciprocal, and then the rotating shaft of damper side is rotated, thereby the operating angle of the rotating shaft of the damper motor-side that can stagger and the operating angle of damper.The actuating range of damper can be freely set, thereby miniaturization can be realized.
In addition, heat exchange type ventilator of the present invention is arranged on the damper motor top surface side of stream switch unit.According to such structure,, also can get rid of condensate water and accumulate in the interior drawback of damper motor, so can realize the raising of security even because appear at the situation of condensing in the stream switch unit.
In addition, heat exchange type ventilator of the present invention uses two limit switches, stops the energising of damper motor in the time of during damper stops.Like this, realize conservation of power, also can guarantee the long-life property of damper motor simultaneously by stopping energising.
In addition, heat exchange type ventilator of the present invention makes the incorporating section of control device etc. outstanding to the inside of stream switch unit, thereby forms the wind path guiding piece.According to such structure, because the incorporating section has the function of wind path guiding piece, so can access the effect that reduces aeration resistance.
In addition, heat exchange type ventilator of the present invention has:
(a1) carry out the heat exchange elements of the heat exchange of indoor high temperature air and outdoor low temperature air;
(b1) have high temperature air is delivered to outdoor, as Cryogenic air to be sent into indoor pressure fan heat exchange machine portion;
(c1) be configured in the outside of heat exchange machine portion, lead to the low temperature wind path of heat exchange machine portion from the Cryogenic air suction inlet;
(d1) lead to the high temperature wind path of high temperature air exhaust outlet from heat exchange machine portion;
(e1) opening by air on the separator of low temperature wind path and high temperature wind path;
(f1) Cryogenic air suction inlet, high temperature air exhaust outlet and opening be provided with the switching function with the aperture area that changes wind path damper freeze to prevent portion.
Heat exchange type ventilator with said structure important document utilizes the switching function of the damper of said structure important document (f1), and high temperature air guiding that will be by heat exchange elements is to opening.And indoor high temperature air is sneaked in the Cryogenic air, gets back to indoor once more.With Cryogenic air suction inlet and high temperature air exhaust outlet and be arranged on the low temperature wind path and the separator of high temperature wind path on opening moderately open.The part of the high temperature air of discharging from heat exchange machine portion is by the opening on the separator that is arranged on low temperature wind path and high temperature wind path, enter the low temperature wind path from the high temperature wind path, and mix with the Cryogenic air that sucks from the Cryogenic air suction inlet, form mixing air, under the state that temperature rises, be supplied to heat exchanger device portion.Thus, can realize heat exchange elements freeze prevent.And, can realize from of the frequent ventilation of high temperature air exhaust outlet to outdoor exhaust from the remaining high temperature air that heat exchange machine portion discharges.
In addition, the structure of heat exchange type ventilator is the temperature according to the Cryogenic air that sucks from the Cryogenic air suction inlet, utilizes the damper of said structure important document (f1) to adjust the ventilation road surface of Cryogenic air suction inlet, high temperature air exhaust outlet and opening is long-pending.Based on the temperature of the Cryogenic air that sucks from the Cryogenic air suction inlet, the aperture of Cryogenic air suction inlet, high temperature air exhaust outlet and opening is adjusted.And, the air of supplying with to heat exchanger device portion is always remained under the uncongealable temperature of heat exchange elements, can guarantee ventilation volume to greatest extent simultaneously.
In addition, the structure of heat exchange type ventilator is that long-pending at least two dampers adjusting in the ventilation road surface of Cryogenic air suction inlet and high temperature air exhaust outlet and opening are formed one, makes to open and close the function interlock.Thus, the motor that drives damper be can reduce, thereby spatialization and cost degradation realized saving.
In addition, heat exchange type ventilator of the present invention makes the switching function of damper all independent, so can carry out trickle aperture adjustment to Cryogenic air suction inlet, high temperature air exhaust outlet and opening respectively.
In addition, heat exchange type ventilator of the present invention is in running in heat exchange machine portion to be stopped when middle, cuts off the path that Cryogenic air flows into by damper from Cryogenic air suction inlet and high temperature air exhaust outlet.Thus, being in running in heat exchange machine portion stops can to cut off Cryogenic air, noise and the noise of invading by Cryogenic air suction inlet and high temperature air exhaust outlet from outdoor when middle.
In addition, heat exchange type ventilator of the present invention is provided with filter in the low temperature wind path, so can realize the Cryogenic air of the outer pollution in the room that sucks from the Cryogenic air suction inlet and enter the purification of high temperature air of the pollution within doors of low temperature wind path from the passing through to be arranged on the opening on the separator of low temperature wind path and high temperature wind path of heat exchange machine portion discharge from the high temperature wind path.
In addition, heat exchange type ventilator of the present invention will freeze the portion of preventing and be arranged on and connect on heat exchange machine portion and the outdoor path pipe arrangement.According to such structure, no matter heat exchange machine portion and freeze the portion of preventing and have and do not have to utilize the space of path pipe arrangement that machine is set in the integrated end face that spatial constraints all is set.
In addition, heat exchange type ventilator of the present invention will fixedly freeze to prevent portion on fixture after the fixture that freezes the stationary heat exchange machine portion in the portion that prevents is fixed in the heat exchange machine portion.So, under the fixing situation of heat exchanger device portion, will not freeze the portion of preventing and sling, also become possibility to the subsequent installation of the heat exchange machine portion of slinging before, thereby can improve application property.
In addition, the fixture double as of heat exchange type ventilator of the present invention freezes the wind path constituent part of the portion that prevents, so fixedly the time, can reduce the part number to heat exchanger device portion.
In addition, other heat exchange type ventilators of the present invention have:
(a2) carry out indoor exhaust stream and from the heat exchanger of the heat exchange of outdoor air feed stream;
(b2) being provided with the exhaust that forms exhaust stream uses pressure fan and forms the ventilating unit of the air feed of air feed stream with pressure fan;
(c2) separate the demarcation strip of exhaust flow path and air feed stream;
(d2) exhaust port crossed of exhaust circulation;
(e2) be arranged on exhaust damper bearing piece on the exhaust flow path;
(f2) the air feed opening that passes through of air feed stream;
(g2) be arranged on air feed damper bearing piece on the air feed stream;
(h2) the exhaust damper of switching exhaust port;
(i2) the air feed damper of switching air feed opening;
(j2) in the circulation openings of demarcation strip opening with connection exhaust flow path and air feed stream;
(k2) the circulation damper of switching circulation openings;
(l2) the damper motor of above-mentioned each damper of switching;
(m2) be provided with the stream switch unit that detects air themperature and above-mentioned each damper is carried out the sensor portion of open and close controlling.
Under said structure, sensor portion is arranged on the air feed stream of stream switch unit and the circular flow by circulation openings all on the position contacting.According to such structure, these two kinds of air-flows of the outdoor air of low temperature and the room air of high temperature are in direct contact with sensor portion.Sensor portion detects the temperature of the temperature of air feed stream and circular flow and each damper is opened and closed, and can switch the importing of outdoor air and the circulation of room air.Therefore, no longer need to be used to switch the timer etc. of the circulation of the importing of outdoor air and room air, thereby realize the simplification of cost degradation and circuit.
In addition, heat exchange type ventilator of the present invention, sensor portion is formed by a temperature sensor.For the temperature of two kinds of air-flows of perception, generally need two temperature sensors.With respect to this, according to the present invention, because utilize the temperature that a temperature sensor just can two kinds of air-flows of perception, so can realize the simplification of cost degradation and circuit.
In addition, heat exchange type ventilator of the present invention, sensor portion is formed by the temperature sensor of C contact, thus can according to the contact gas flow temperature and the contact of switching temperature sensor.
And this term of C contact is all understood for those skilled in the art.That is, the C contact has both A contact and these two kinds of switching functions of B contact.The A contact is often to open (N.O.) type, and the B contact is normal pass (N.C.) type.Therefore, the C contact has and often opens type and the normal two kinds of functions of type of closing.
In addition, because each damper can both be switched on to the damper motor, so can utilize the driving force of damper motor that each damper is opened and closed no matter be under any situation of switching.Therefore, compare, can be superior to blast and open and close reliably, also can prevent generation noise, noise when damper opens and closes simultaneously with the situation of utilizing spring etc.In addition, because utilize a temperature sensor just can open and close, can realize the reductionization of cost and the simplification of circuit to each damper.
In addition, heat exchange type ventilator of the present invention, sensor portion around by insulation encloses.So kind or thickness according to heat-barrier material are regulated the reaction time of sensor portion, just can regulate the sensitivity of sensor portion.And,, also no longer need to be provided with timer etc. simultaneously, so can realize the simplification of cost degradation and circuit owing to can freely regulate the switching time of damper.
In addition, heat exchange type ventilator of the present invention is provided with defensive wall, makes air feed flow directly feeler portion.So it is the reaction time of sensor portion shortens under the situation that air feed stream directly contacts, elongated under the situation that air feed stream does not directly contact.Utilize this specific character, can freely regulate the switching time of each damper.And, no longer need to be provided with timer etc., thereby can realize the simplification of cost degradation and circuit.
In addition, heat exchange type ventilator of the present invention is provided with defensive wall, makes by the not direct feeler portion of the circular flow of circulation openings.Because the reaction time of sensor portion shortens under the situation that circular flow directly contacts, elongated under the situation that circular flow does not directly contact, so can freely regulate the switching time of each damper.And, no longer need to be provided with timer etc., thereby can realize the simplification of cost degradation and circuit.
In addition, heat exchange type ventilator of the present invention forms the part of circulation damper the effect of the defensive wall that plays sensor portion.Because under circulation damper closing state, in sensor portion, defensive wall is set, thus the not direct feeler portion of air feed stream, so the reaction time of sensor portion is elongated.Therefore, can freely regulate the switching time of each damper.And, no longer need to be provided with timer etc., thereby can realize the simplification of cost degradation and circuit.
In addition, heat exchange type ventilator circulation damper of the present invention is provided with sensor portion.So sensor portion can be regulated position that is arranged on the direct contact of air-flow or the position that does not directly contact, can freely regulate the reaction time of sensor portion.Thus, the switching time that can each damper of free adjustment.And, no longer need to be provided with timer etc., thereby can realize the simplification of cost degradation and circuit.
In addition, heat exchange type ventilator of the present invention is taked the waterproof countermeasure to sensor portion.Enter sensor portion inside because can prevent sealing, so even produce the intrusion that condensate water also can be prevented sealing, thereby security improved at water.
Description of drawings
Fig. 1 is the summary section of the heat exchange type ventilator state in use of expression embodiments of the present invention 1;
Fig. 2 is the summary section of heat exchange type ventilator when ablation heat interchanger icing of expression embodiments of the present invention 1;
Fig. 3 is the approximate three-dimensional map of opening portion of the heat exchange type ventilator of expression embodiments of the present invention 1;
Fig. 4 is the summary section of installment state of damper motor (damper motor) of the heat exchange type ventilator of expression embodiments of the present invention 1;
Fig. 5 is the circuit diagram of damper motor of the heat exchange type ventilator of embodiments of the present invention 1;
Fig. 6 is the stereogram that freezes to prevent portion's structure of the heat exchange type ventilator of expression embodiments of the present invention 2;
Fig. 7 is the bottom surface side structure chart of the heat exchange type ventilator of embodiments of the present invention 2;
Fig. 8 is the bottom surface side structure chart of the heat exchange type ventilator of embodiments of the present invention 2;
Fig. 9 is the bottom surface side structure chart of the heat exchange type ventilator of embodiments of the present invention 3;
Figure 10 is the bottom surface side structure chart of the heat exchange type ventilator of embodiments of the present invention 4;
Figure 11 A is the side and the bottom surface side structure chart of the heat exchange type ventilator of embodiments of the present invention 5;
Figure 11 B is the side and the bottom surface side structure chart of the heat exchange type ventilator of embodiments of the present invention 5;
Figure 12 is the stereogram of the heat exchange type ventilator of embodiments of the present invention 6;
Figure 13 is the summary section of common state of the heat exchange type ventilator of expression embodiments of the present invention 7;
Figure 14 is the summary section of the state of heat exchange type ventilator when thawing is frozen of expression embodiments of the present invention 7;
Figure 15 is the stereogram that the heat exchange type ventilator of expression embodiments of the present invention 7 is removed the stream switch unit of damper;
Figure 16 is the loop diagram of the relation of the temperature sensor of heat exchange type ventilator of expression embodiments of the present invention 7 and damper motor;
Figure 17 is the stereogram of sensor portion of the heat exchange type ventilator of expression embodiments of the present invention 8;
Figure 18 is the summary section of common state of the heat exchange type ventilator of expression embodiments of the present invention 3;
Figure 19 is the summary section of the state of heat exchange type ventilator when thawing is frozen of expression embodiments of the present invention 10;
Figure 20 is the summary section of common state of the heat exchange type ventilator of expression embodiments of the present invention 11;
Figure 21 is the summary section of the state of heat exchange type ventilator when thawing is frozen of expression embodiments of the present invention 11;
Figure 22 is the summary section of common state of the heat exchange type ventilator of expression embodiments of the present invention 12;
Figure 23 is the summary section of the state of heat exchange type ventilator when thawing is frozen of expression embodiments of the present invention 12;
Figure 24 is the summary section of common state of the heat exchange type ventilator of expression embodiments of the present invention 13;
Figure 25 is a structure chart of representing the common ventilation state that prevents freezing plant of air interchanger in the past;
Figure 26 is the action specification figure that prevents freezing plant of air interchanger in the past;
Figure 27 is the structure chart of the damper portions that prevents freezing plant of air interchanger in the past.
Symbol description
201-indoor exhaust outlet; 202-indoor air supply opening; 203-exhaust connector; 204-air feed connector; 205,405-heat exchanger; 206,406-exhaust pressure fan; 207,407-air feed pressure fan; 208,408-ventilating unit; 209,409-exhaust flow path; 210,410-air feed stream; 211,411-demarcation strip; 212,412-exhaust port; 213,413-exhaust damper bearing piece; 214,414-air feed opening; 215,415-air feed damper bearing piece; 216,416-exhaust damper; 217,417-air feed damper; 218,418,418A-circulation openings; 219,419,419C, 419D-circulation damper; 220,420-outside exhaust outlet; 221,421-outside air supply opening; 222,422-stream switch unit; 223-bears the side joggling part; 224-damper side joggling part; The rotating shaft of 225-damper side; 226,423-damper motor; The rotating shaft of 227-damper motor-side; The 228-bar; The 229-end face; The 230-master switch; 231,426a-first limit switch; 232,426b-second limit switch; The 233-incorporating section; 234-circulation stream; The 301-high temperature air; The 302-Cryogenic air; The 303-pressure fan; The 304-heat exchange elements; 305-heat exchange machine portion; 306-Cryogenic air suction inlet; 307-low temperature wind path; 308-high temperature air exhaust outlet; 309-high temperature wind path; The 310-demarcation strip; The 311-opening; 312-freezes to prevent portion; The 313-temperature sensor; 314,315,316-damper; The 317-filter; The 318-fixture; The 319-mixing air; 320-path pipe arrangement; 424,424A-sensor portion; 425,425B, 425C, 425D, 425E, 425F-temperature sensor; The 430-heat-barrier material; 431,431A, 431B-defensive wall.
The specific embodiment
Below, with reference to accompanying drawing embodiments of the present invention are described.
(embodiment 1)
As Fig. 1～shown in Figure 5, the heat exchange type ventilator of embodiment 1 has indoor exhaust outlet 201 and indoor air supply opening 202 on the indoor of a side.In addition, exhaust connector 203 and air feed connector 204 are set on the another side, its inside is provided with carrying out the heat exchanger 205 of heat exchange and form the exhaust pressure fan 206 that exhaust is flowed from indoor exhaust stream with from outdoor air feed stream.
In addition, heat exchange type ventilator has ventilating unit 208, and ventilating unit 208 is provided with the air feed pressure fan 207 that forms air feed stream.Also have: the exhaust that will be connected ventilating unit 208 with the exhaust flow path on the connector 203 209 and the air feed that is connected ventilating unit 208 with the air feed stream 210 separated demarcation strips 211 on the connector 204; The exhaust port 212 that exhaust circulation is crossed.In addition, heat exchange type ventilator also has: be arranged on the exhaust damper bearing piece 213 on the exhaust flow path 209; Have the air feed opening 214 that air feed stream passes through and be arranged on air feed damper bearing piece 215 on the air feed stream 210; Open and close the exhaust damper 216 of exhaust port 212; And the air feed damper 217 that opens and closes air feed opening 214.
In addition, heat exchange type ventilator has: in order to be communicated with exhaust flow path 209 and air feed stream 210 towards the circulation openings 218 of demarcation strip 211 openings; Open and close the circulation damper 219 of circulation openings 218; And the stream switch unit 222 that is provided with outside exhaust outlet 220 and outside air supply opening 221 in the outside.
In addition, exhaust damper 216 and air feed damper 217 are provided with the damper side joggling part 224 to the direction warpage that flows of guides wind, are provided with to bear side joggling part 223 along damper side joggling part 224 warpages of exhaust damper 216 and air feed damper 217 near the end of exhaust damper bearing piece 213 and air feed damper bearing piece 215.Exhaust damper 216 and air feed damper 217 are closed the mode that acts on the direction of exhaust port, air feed opening and circulation openings with the blast that utilizes exhaust stream and air feed stream and are provided with.
In addition, exhaust damper 216, air feed damper 217 and circulation damper 219 are wholely set, and open and close integratedly by the rotating shaft 225 of damper side, and the damper motor 226 that will be used to drive rotating shaft 225 is arranged in the stream switch unit 222.And the rotating shaft 225 of damper motor 226 and damper side is arranged on exhaust flow path 209 inside.In addition, the rotating shaft 227 of damper motor-side is connected by bar 228 with the rotating shaft 225 of damper side, the configuration of staggering of the position of the rotating shaft 227 of damper motor-side and the rotating shaft 225 of damper side, damper motor 226 are arranged on the end face 229 of exhaust flow path 209 of stream switch unit 222.In addition, the on-off action of exhaust damper 216, air feed damper 217 and circulation damper 219 can self be carried out by damper motor 226.
In addition, as shown in Figure 5, the present invention is provided with the master switch 230 with C contact, with respect to master switch 230 be connected in series so that and between the damper motor 226 alternate conduction mode and be arranged in parallel first limit switch 231 and second limit switch, 232 these two circuit that limit switch constituted.When exhaust damper 216 and air feed damper 217 were in the closed position, first limit switch 231 detected closed condition, and first limit switch 231 becomes open mode.The power circuit of damper motor 226 is opened, and the energising of damper motor 226 is stopped.
In addition, it is outstanding to make the incorporating section 233 (Fig. 1 lower-left side) of taking in control device etc. be the chevron shape to the inside of the exhaust flow path 209 of stream switch unit 222, thereby forms the wind path guiding piece.
In said structure, when carrying out common heat exchange ventilation running, as shown in Figure 1, exhaust damper 216 and air feed damper 217 are in open mode.In order to make circulation damper 219 be in open mode, driving under the state of the exhaust damper 216, air feed damper 217 and the circulation damper 219 that are wholely set the running heat exchange type ventilator by damper motor 226.At this moment, the room air that utilizes exhaust will possess indoor heat with pressure fan 206 is drawn in the ventilating unit 208 from indoor exhaust outlet 201.Discharge the path of air by heat exchanger 205 1 sides, the exhaust flow path 209 by stream switch unit 222 is discharged to outdoor from outside exhaust outlet 220 then.On the other hand, by air feed pressure fan 207, the outdoor low temperature air flow in the air feed stream 210 from outside air supply opening 221, again from air feed stream 210 by being arranged on the path of the opposing party in the heat exchanger 205 on the ventilating unit 208, from indoor air supply opening 202 to indoor air feed, thereby carry out the ventilation of heat exchange.
In addition, use at low temp area under the situation of heat exchange type ventilator of the present invention, when, heat exchanger 205 low at feed air temperature is in the state of freezing, drive exhaust damper 216, air feed damper 217 and circulation damper 219 by damper motor 226.Close exhaust port 212 by exhaust damper 216, close air feed opening 214 by air feed damper 217.
Circulation damper 219 is by becoming the state as shown in Figure 2 that makes circulation openings 218 openings, thereby makes exhaust enter operating condition with pressure fan 206.If exhaust then sucks the room air of possessing heat from indoor exhaust outlet 201 with pressure fan 206 runnings in ventilating unit 208.Discharge the path of air, utilize and discharge freezing of heat ablation heat interchanger 205 that air contains by sides in the heat exchanger 205.Discharging air heat in by the process of heat exchanger 205 is deprived.Do not captured heat and the also surplus discharge air that heat arranged from the circulation openings 218 of opening through the air feed streams 210 and the path of the opposing party's side by heat exchanger 5 once more, reheat heat exchanger 205 is further melted icing.
Sum up the heat exchange type ventilator of embodiment 1, it has:
Carry out from indoor exhaust stream with from the heat exchanger 205 of the heat exchange of outdoor air feed stream;
Form the exhaust pressure fan 206 of exhaust stream;
Be provided with the air feed that the forms air feed stream ventilating unit 208 of pressure fan 207;
The demarcation strip 211 that separates exhaust flow path 209 and air feed stream 210;
The exhaust port 212 that exhaust circulation is crossed;
Be arranged on the exhaust damper bearing piece 213 on the exhaust flow path 209;
The air feed opening 214 that air feed stream passes through;
Be arranged on the air feed damper bearing piece 215 on the air feed stream 210;
Open and close the exhaust damper 216 of exhaust port 212;
Open and close the air feed damper 217 of air feed opening 214;
Be provided with the stream switch unit 222 of exhaust damper 216 and air feed damper 217;
Be arranged on and bear side joggling part 223 near the end of exhaust damper bearing piece 213 and air feed damper bearing piece 215;
The damper side joggling part 224 that bears side joggling part 223 warpages along exhaust damper bearing piece 213 and air feed damper bearing piece 215.
According to such structure, especially, can access big exhaust port 212 and air feed opening 214 by warpage and little exhaust damper bearing piece 213, air feed damper bearing piece 215, exhaust damper 216 and the air feed damper 217 of width.Can realize the miniaturization of stream switch unit 222, even and the anglec of rotation of exhaust damper 216 and air feed damper 217 sets very for a short time, also can get rid of the drawback that exhaust damper 216 and air feed damper 217 become the obstacle of the air by exhaust flow path 209 and air feed stream 210.
In addition, owing to make the direction warpage that flow of damper side joggling part 224 to guides wind, therefore, can increase exhaust port 212 and air feed opening 214, it is good that receiving state becomes, and realizes low pressure lossization, low noiseization, also can access rectification effect simultaneously.
In addition, the heat exchange type ventilator of embodiments of the present invention 1 has: in order to be communicated with exhaust flow path 209 and air feed stream 210 towards the circulation openings 218 of demarcation strip 211 openings; And the circulation damper 219 that opens and closes circulation openings 218.And, on exhaust port 212, air feed opening 214 and circulation openings 218 these three openings, be equipped with exhaust damper 216, air feed damper 217 and circulation damper 219 respectively.When ablation heat interchanger 205 icing, close exhaust port 212 and air feed opening 214 by exhaust damper 216 and air feed damper 217, circulation damper 219 is opened, circulation openings 218 openings.
Thus, in ventilating unit 208 sides, warm room air is by the path of side's side of heat exchanger 205, after warming heat exchanger 205, further form from circulation openings 218 and flow into air feed streams 210, the path of the opposing party's side by heat exchanger 205 and at the circulation stream 234 of indoor circulation.Pass through twice in heat exchanger 205 warm air.The thawing time of freezing that can shortening heat interchanger 205, and also can freely set the size of exhaust port 212, air feed opening 214 and circulation openings 218.
In addition, exhaust damper 216, air feed damper 217 and circulation damper 219 constitute and act on the direction that the blast that utilizes exhaust stream and air feed stream is closed exhaust port, air feed opening and circulation openings.Therefore, improved the air-tightness of exhaust port 212, air feed opening 214 and circulation openings 218, also can suppress simultaneously owing to air feed stream contacts condensing of producing with exhaust stream.
In addition, damper motor 226 is set in stream switch unit 222, damper motor 226 drives the rotating shaft 225 of damper side, and 225 pairs of exhaust dampers 216 of the rotating shaft of damper side, air feed damper 217 and circulation damper 219 open and close integratedly.Compare with damper motor 226 being arranged on outside situation, can realize the miniaturization of stream switch unit 222.And, because can below it, side safeguard, so the space of safeguarding of the following side of stream switch unit 222 does not have the necessity that increases.
In addition, because the rotating shaft 227 of damper motor 226 and damper is arranged in the exhaust flow path 209, there is no need to connect demarcation strip 211 so link the rotating shaft 227 of damper motor 226 sides and the rotating shaft 225 of damper side and movable bar 228, so the sealing of demarcation strip 211 improves, and also damper motor 226 can be configured under the environment near normal temperature.Thus, the restriction of the temperature of damper motor 226 obtains relaxing, thereby can realize that cost reduces.
In addition, damper motor 226 is to constitute from exhaust damper 216, air feed damper 217 and circulation damper 219 mounting or dismounting mode freely.Therefore, when safeguarding,, thereby can improve maintainability as long as damper motor 226 is unloaded.In addition, under the situation with damper motor 226 and damper one formation, damper disposes in the mode that connects demarcation strip 211.According to such structure, the separation of the demarcation strip 211 that must prepare for damper is safeguarded no longer needs, and therefore realizes the summary of heat exchange type ventilator.
In addition, all itself carry out the on-off action of exhaust damper 216, air feed damper 217 and circulation damper 219 by damper motor 226.Thus, the opening and closing speed of exhaust damper 216, air feed damper 217 and circulation damper 219 is not subjected to the influence of blast, can suppress the generation of impulsive sound etc.And, compare with the situation of utilizing spring to wait to recover, can be superior to blast, carry out on-off action more reliably.
In addition, link the rotating shaft 227 of damper motor-side and the rotating shaft 225 of damper side by bar 228, and the position of the rotating shaft 227 of the formation damper motor-side that staggers and the rotating shaft 225 of damper side, so that rotating shaft 227 rotation of damper motor 226 sides, make bar 228 reciprocal, and make the rotating shaft 225 of damper side movable, thereby the operating angle of the rotating shaft 227 of the damper motor-side that can stagger and the operating angle of damper, and can freely set the actuating range of damper, thereby can realize the miniaturization of heat exchange type ventilator.
In addition, owing to damper motor 226 is arranged on end face 229 sides of stream switch unit 222, even so under the situation that has produced condensate water, also the drawback that condensate water accumulates in damper motor 226 can be got rid of, the mechanicalness of damper motor 226, the security on the electric property can be guaranteed fully.
In addition,, then stop energising during damper stops, therefore can play the effect of using electricity wisely by stopping to switch on to damper motor 226 because use first limit switch 231 and second limit switch, 232 these two limit switches.
In addition, thereby the chevron shape is outstanding to constitute the wind path guiding piece because the incorporating section 233 that makes control device etc. is with the inside to stream switch unit 222, so by making incorporating section 233 become the shape of wind path guiding piece, can reduce aeration resistance.
And, heat exchange type ventilator of the present invention, for example, be provided with the damper bearing piece and the damper of joggling part by use, also the passage opening/closing device that forms of the damper that the inside in communicating pipe of the tempered air of carrying air conditioner can be provided with is applicable to the passage opening/closing device of air conditioner.
(embodiment 2)
With reference to Fig. 6～Fig. 8, embodiments of the present invention 2 are described.
As Fig. 6～shown in Figure 8, the heat exchange type ventilator of embodiment 2 carries out heat exchange by pressure fan 303 and 304 pairs of indoor high temperature airs 301 of heat exchange elements and outdoor low temperature air 302.In addition, this heat exchange type ventilator has the bypass wind path, and this bypass wind path is by constituting as the lower part: the heat exchange machine portion 305 that carries out outdoor air feed and indoor exhaust; Be configured in the outside of this heat exchange machine portion 305, arrive the low temperature wind path 307 of heat exchange machine portions 305 from Cryogenic air suction inlet 306; Arrive the high temperature wind path 309 of high temperature air exhaust outlet 308 from heat exchange machine portion 305; And be arranged on opening 311 on the demarcation strip 310 of low temperature wind path 307 and high temperature wind path 309.In addition, the Cryogenic air 302 that sucks from Cryogenic air suction inlet 306 and discharge from heat exchange machine portion 305 again and to get back to the low temperature wind path 307 that the high temperature air 301 of low temperature wind path 307 passes through from high temperature wind path 309 by opening 311 and be provided with filter 317 is provided with on Cryogenic air suction inlet 306, high temperature air exhaust outlet 308 and opening 311 by damper 314,315 and 316 and carries out the portion that prevents 312 that freezes that opens and closes function.
As shown in Figure 7, at the upstream of the Cryogenic air suction inlet 306 that freezes the portion that prevents 312 configuration temperature sensor 313, according to temperature and change the aperture of the Cryogenic air suction inlet 306, high temperature air exhaust outlet 308 and the opening 311 that freeze the portion that prevents 312 by damper.It can freely be adjusted from Cryogenic air suction inlet 306 and be drawn into the amount of the Cryogenic air 302 of low temperature wind path 307, is discharged into the amount of high temperature air 301 of high temperature air exhaust outlet 308 and the amount that returns the high temperature air 301 of low temperature wind path 307 from high temperature wind path 309 by opening 311 from high temperature wind path 309 according to such structure.
In addition, the damper 315 used of the damper 314 used of Cryogenic air suction inlet and high temperature air exhaust outlet is controlled at full-gear with Cryogenic air suction inlet 306 and high temperature air exhaust outlet 308.And when the damper of using at the demarcation strip opening 316 was controlled to be full-shut position with opening 311, the high temperature air 301 of discharging from heat exchange machine portion 305 all was discharged into outdoor by high temperature wind path 309 from high temperature air exhaust outlet 308.Supply with under the operating condition of heat exchanger device portion 305 by low temperature wind path 307 in the Cryogenic air 302 that sucks from Cryogenic air suction inlet 306, if the temperature of the outdoor low temperature air 302 that sucks from Cryogenic air suction inlet 306 than the high state of the temperature of freezing heat exchange elements 304 under, when temperature sensor 313 had carried out judgement, state remained in operation.In addition, if the temperature of the outdoor low temperature air 302 that sucks from Cryogenic air suction inlet 306 than the low state of the temperature of freezing heat exchange elements 304 under, when temperature sensor 313 has carried out judgement, as shown in Figure 8, the aperture of damper 315 controls reducing Cryogenic air suction inlet 306 and the high temperature air exhaust outlet 308 used of the damper 314 used of Cryogenic air suction inlet and high temperature air exhaust outlet.At this moment, the damper 316 that the demarcation strip opening is used is opened opening 311, thereby the part of high temperature air 301 enters low temperature wind path 307 from high temperature wind path 309 by opening 311.In addition, it is mixed into mixing air 319 with the Cryogenic air 302 that sucks from Cryogenic air suction inlet 306, is supplied to heat exchanger device portion 305 under the state that temperature rises, thereby can prevents freezing of heat exchange elements 304.
In addition, discharge, and the residual high temperature air 301 that does not enter low temperature wind path 307 from opening 311 is discharged to outdoor from high temperature air exhaust outlet 308 from heat exchange machine portion 305.This action is because take a breath heat exchange type ventilator always, so can realize preventing freezing of heat exchange elements 304.
In addition, temperature based on Cryogenic air 302, damper 316 actions that damper 314 that the Cryogenic air suction inlet uses, damper 315 that the high temperature air exhaust outlet is used and demarcation strip opening are used, thus the aperture of Cryogenic air suction inlet 306, high temperature air exhaust outlet 308 and opening 311 changed.Thus, even the variations in temperature of the Cryogenic air 302 that sucks from Cryogenic air suction inlet 306, also the mixing air of supplying with to heat exchanger device portion 305 319 can be remained on heat exchange elements 304 uncongealable lower limit temperatures, and also can take a breath to greatest extent.
In addition, the temperature of the outdoor low temperature air 302 that sucks from Cryogenic air suction inlet 306 rises, and when being in than the high state of the temperature of freezing heat exchange elements 304, under the situation of having carried out judging at temperature sensor 313, gets back to operating condition shown in Figure 7.
In addition, can purify from the high temperature air 301 that high temperature wind path 309 enters the pollution within doors of low temperature wind path 307 to the outer Cryogenic air of polluting 302 in the room that sucks from Cryogenic air suction inlet 306 with from 305 discharges of heat exchange machine portion and by opening 311, thereby can access Cryogenic air 302 outside mixing air 319 and the room.
Sum up the heat exchange type ventilator of embodiment 2, it has:
Carry out the heat exchange elements 304 of the heat exchange of indoor high temperature air 301 and outdoor low temperature air 302;
Have high temperature air 301 is delivered to outdoor, as Cryogenic air to be sent into indoor pressure fan heat exchange machine portion 305;
Be configured in the outside of heat exchange machine portion 305, lead to the low temperature wind path 307 of heat exchange machine portion 305 from Cryogenic air suction inlet 306;
The high temperature wind path 309 that leads to high temperature air exhaust outlet 308 from heat exchange machine portion;
On the demarcation strip 310 of low temperature wind path 307 and high temperature wind path 309, pass through the opening 311 of air;
And possess damper 314,315 with the switching function that changes the wind path aperture area and 316 the portion that prevents 312 that freezes at Cryogenic air suction inlet 306, high temperature air exhaust outlet 308 and opening 311.
(embodiment 3)
With reference to Fig. 9 embodiments of the present invention 3 are described.In Fig. 9, for embodiment 2,3 in identical structural element use identical symbol, omit its explanation.
As shown in Figure 9, the structure that forms is: among the damper 316 that damper 314 that the Cryogenic air suction inlet that the aperture that makes Cryogenic air suction inlet 306, high temperature air exhaust outlet 308 and opening 311 changes is used, damper 315 that the high temperature air exhaust outlet is used and demarcation strip opening are used, make two dampers integrated and make the action interlock.
According to said structure, can reduce the motor that drives damper 314,315 and 316, thereby save the space and realize cost degradation.
In addition, make the Cryogenic air suction inlet of the aperture variation of Cryogenic air suction inlet 306, high temperature air exhaust outlet 308 and opening 311 use the action of damper 316 all independent with damper 315 and demarcation strip opening with damper 314, high temperature air exhaust outlet.
According to said structure, because can not be subjected to the influence of the action of other dampers, it is long-pending to change Cryogenic air suction inlet 306, high temperature air exhaust outlet 308 and opening 311 ventilation road surface separately respectively, so can freely adjust the temperature and the ventilation volume of mixing air 319.
(embodiment 4)
The heat exchange type ventilator of embodiment 4 as shown in figure 10.In Figure 10, for Fig. 9 in identical structural element use identical symbol, so omit its explanation.
As shown in figure 10, be in running in heat exchange machine portion 305 and stop when middle, the damper 315 that damper of using by the Cryogenic air suction inlet 314 and high temperature air exhaust outlet are used cuts out Cryogenic air suction inlet 306 and high temperature air exhaust outlet 308.
According to said structure, can heat exchange machine portion 305 be in running stop in the time cut off from outdoor and pass through Cryogenic air 302 or the sound that Cryogenic air suction inlet 306 and high temperature air exhaust outlet 308 are invaded.
(embodiment 5)
The heat exchange type ventilator of embodiment 5 is shown in Figure 11 A, Figure 11 B.In Figure 11 A, 11B, for Fig. 7～Figure 10 in identical structural element use identical symbol, omit its explanation.
Shown in Figure 11 A, freeze to prevent that portion 312 and heat exchange machine portion 305 from constituting one, and be set on the inside and outside path pipe arrangement 320 of communication chamber.
According to said structure, realized heat exchange machine portion 305 and freezed the integrated of the portion that prevents 312.Figure 11 B represent with heat exchange machine portion 305 with freeze the structure that the portion that prevents 312 is connected by path pipe arrangement 320.According to this structure,, also can utilize the setting of the space realization machine of path pipe arrangement 320 even for example little end face inside, space is being set.
(embodiment 6)
The heat exchange type ventilator of embodiment 6 as shown in figure 12.In Figure 12, for Fig. 6～Figure 11 B in identical structural element use identical symbol, omit its explanation.As shown in figure 12, be fixed under the situation in the heat exchange machine portion 305 will freezing the portion that prevents 312, the fixture 318 that will have both the wind path structure of freezing the portion that prevents 312 is fixed in the heat exchange machine portion 305.Afterwards, will freeze the portion that prevents 312 is fixed on the fixture 318.
According to said structure, will freeze the portion that prevents 312 when being fixed in the heat exchange machine portion 305, needn't freeze to prevent portion 312 from the top suspention.In addition, the installation in the heat exchange machine portion 305 of slinging in advance afterwards also becomes possibility, thereby can improve application property.
In addition, owing to have both part and the fixture 318 that constitutes wind path, so can reduce the part number of heat exchange machine portion.And, the heat exchange type ventilator of embodiment 6 be by will sneaking into Cryogenic air from outdoor supply from the part of the high temperature air of indoor discharge, so can be applicable in the purposes such as air interchanger field that also need when heat exchange elements from freezing to prevent to take a breath always.
(embodiment 7)
The heat exchange type ventilator of embodiment 7 such as Figure 13～shown in Figure 16.Heat exchange type ventilator is provided with indoor exhaust outlet 401 and indoor air supply opening 402 on the indoor of a side, be provided with exhaust connector 403 and air feed connector 404 on the another side.In addition, heat exchange type ventilator has the heat exchanger 405 that flows and carry out heat exchange from outdoor air feed stream from indoor exhaust in inside.In addition, heat exchange type ventilator has: the exhaust of formation exhaust stream is with pressure fan 406 and have the ventilating unit 408 of the air feed of formation air feed stream with pressure fan 407.And have: the exhaust that is connected ventilating unit 408 is with the exhaust flow path 409 on the connector 403; Separate the demarcation strip 411 of using the air feed stream 410 of connector 404 bindings with the air feed of ventilating unit 408; And the exhaust port 412 crossed of exhaust circulation.
In addition, heat exchange type ventilator has: be arranged on the exhaust damper bearing piece 413 on the exhaust flow path 409; And the air feed opening 414 that passes through of air feed stream.Has the air feed damper bearing piece 415 that is arranged on the air feed stream 410; And the exhaust damper 416 that opens and closes exhaust port 412.And, also have: the air feed damper 417 that opens and closes air feed opening 414; In order to be communicated with exhaust flow path 409 and air feed stream 410 towards the circulation openings 418 of demarcation strip 411 openings; Open and close the circulation damper 419 of circulation openings 418; And the stream switch unit 422 that is provided with outside exhaust outlet 420 and outside air supply opening 421 in the outside.
In addition, exhaust damper 416, air feed damper 417 and circulation damper 419 form one, and constitute they are opened and closed integratedly, the damper motor 423 that exhaust damper 416, air feed damper 417 and circulation damper 419 is carried out the one driven for opening and closing is arranged in the exhaust flow path 409.
In addition, the sensor portion 424 of detecting air themperature is arranged on circulation openings 418 in the stream switch unit 422 near.Sensor portion 424 utilizes the temperature sensor 425 of a C contact to form.Shown in the circuit diagram of representing among Figure 16, between temperature sensor 425 with C contact and damper motor 423, be connected in series and be provided with the limit switch 426 of the first limit switch 426a and the second limit switch 426b with the mode parallel connection of mutual conducting.When exhaust damper 416 and air feed damper 417 were in the closed position, the first limit switch 426a detected closed condition, and the first limit switch 426a becomes open mode.The power circuit of damper motor 423 is opened, and the energising of damper motor 423 is stopped.
In said structure, when carrying out common heat exchange ventilation running, as shown in figure 13, exhaust damper 416 and air feed damper 417 place open mode, and circulation damper 419 places closed condition.The room air that utilizes exhaust will have indoor heat with pressure fan 406 is drawn in the ventilating unit 408 from indoor exhaust outlet 401.Discharge the path of air by heat exchanger 405 1 sides, the exhaust flow path 9 by stream switch unit 422 is discharged to outdoor from outside exhaust outlet 420 again.
On the one hand, by air feed pressure fan 407, outdoor air flows in the air feed stream 410 from outside air supply opening 421, again from air feed stream 410 by being arranged on other paths in the heat exchanger 405 on the ventilating unit 408, supply with to indoor from indoor air supply opening 402, thereby carry out the heat exchange ventilation.
In addition, use at low temp area under the situation of heat exchange type ventilator, when, heat exchanger 405 low at feed air temperature is in the state of freezing, sensor portion 424 is detected, drive exhaust damper 416, air feed damper 417 and circulation damper 419 by damper motor 423, close exhaust port 412 by exhaust damper 416.In addition, close air feed opening 414 by air feed damper 417, circulation damper 419 is opened circulation openings 418, becomes state shown in Figure 14, thereby exhaust enters operating condition with pressure fan 406.At this moment, the room air of possessing heat is inhaled in the ventilating unit 408 from indoor exhaust outlet 401, and the heat extraction air utilizes the heat that the heat extraction air contains freezing of ablation heat interchanger 405 by the path of the side in the heat exchanger 405 again.
And, by heat exchanger 405 but do not captured heat and the circulation openings 418 of the also surplus discharge air that heat arranged by opening through air feed streams 410, pass through the path of the opposing party's side of heat exchanger 405 once more, reheat heat exchanger 405 is further melted icing.
Below, the action relationships of temperature sensor 425 and damper motor 423 and each damper is described.
Figure 16 represents to open the state that exhaust damper 416 and air feed damper 417, circulation damper 419 are closed circulation openings.The first limit switch 426a is in open mode, and damper motor 423 stops.At this moment, temperature sensor 425 contacts with the air feed stream of air feed stream 410.
In this state, heat exchange type ventilator remains in operation, the low temperature of temperature sensor 425 perception air feed stream, when heat exchanger 5 during near the state of freezing, switch to contact 425B from the contact 425A of temperature sensor 425, the damper motor 423 that stops to be switched on by the second limit switch 426b.423 runnings of damper motor, exhaust damper 416 and air feed damper 417 are closed exhaust port 412 and air feed opening 414, thus circulation damper 419 open circulation openings 418 are opened.If enter this state, then the first limit switch 426a is in closed condition, and the second limit switch 426b becomes open mode, stops the energising to damper motor 423.
And the discharge air of discharging from indoor exhaust outlet 401 enters in the air feed stream 410 by circulation openings 418 by after the heat exchanger 405.Formation from air feed stream 410 once more by heat exchanger 405 and to the circulation stream 429 of indoor air supply opening 402 air feed, the freezing of ablation heat interchanger 405.Become set point of temperature by temperature sensor 425 detected temperature when above, temperature sensor 425 switches to contact 425A from contact 425B, through the first limit switch 426a to 423 energisings of damper motor.In addition, by damper motor 423 exhaust damper 416 and air feed damper 417 are placed open mode, and circulation damper 419 is placed closed condition.At this moment, carry out common heat exchange ventilation running, the circuit of this moment is a state shown in Figure 16.That is, temperature sensor 425 is connected on the contact 425A, and the first limit switch 426a is in open mode, is to stop state that damper motor 423 is switched on.
At this heat exchange type ventilator of summing up embodiment 7, it has:
Carry out indoor exhaust stream and from the heat exchanger 405 of the heat exchange of outdoor air feed stream;
Form the exhaust pressure fan 406 of exhaust stream;
Form the air feed pressure fan 407 of air feed stream;
Be provided with exhaust and use the ventilating unit 408 of pressure fan 407 with pressure fan 406 and air feed;
The demarcation strip 411 that separates exhaust flow path 409 and air feed stream 410;
The exhaust port 412 that exhaust circulation is crossed;
Be arranged on the exhaust damper bearing piece 413 on the exhaust flow path 409;
The air feed opening 414 that air feed stream passes through;
Be arranged on the air feed damper bearing piece 415 on the air feed stream 410;
Open and close the exhaust damper 416 of exhaust port 412;
Open and close the air feed damper 417 of air feed opening 414;
In the circulation openings 418 of demarcation strip 411 openings with connection exhaust flow path 409 and air feed stream 410;
Open and close the circulation damper 419 of circulation openings 418;
Open and close the damper motor 423 of each damper;
Detect the sensor portion 424 of air themperature;
And the stream switch unit 422 that sensor portion 424 is set.
And, sensor portion 424 be arranged on circulation openings 418 in the air feed stream 410 of stream switch unit 422 near.Thus, because these two kinds of air-flows of the room air of the outdoor air of low temperature and high temperature directly contact with sensor portion 424, so sensor portion 424 detects the temperature of air feed stream and the temperature of circular flow, by opening and closing each damper, can switch the importing of outdoor air and the circulation of room air.According to such structure, no longer need to be provided for to switch the equipment such as timer of the circulation of the importing of outdoor air and room air, thereby realize the simplification of cost degradation and circuit.
In addition, because sensor portion 424 is formed by a temperature sensor 425, so according to original temperature for two kinds of air-flows of perception, generally need two temperature sensors, but with respect to this according to embodiment 7, utilize the temperature that a temperature sensor 425 just can two kinds of air-flows of perception, thereby can realize the simplification of circuit with low cost.
In addition, because form sensor portion 424, so can come two-way contact according to the gas flow temperature of contact by the temperature sensor 425 of C contact.No matter each damper is under any situation of switching, can both switch on to damper motor 423.Can utilize the driving force of damper motor 423 that damper is opened and closed,, can be superior to blast and open and close reliably so compare with the situation of utilizing spring etc.And, also can prevent from when damper opens and closes, to produce the action sound.In addition, because utilize a temperature sensor 425 just can open and close, can further realize the reductionization of cost and the simplification of circuit to damper.
(embodiment 8)
The heat exchange type ventilator of embodiment 8 as shown in figure 17.As shown in figure 17, the 424A's of sensor portion is surrounded by heat-barrier material 430 on every side.
In said structure, owing to the kind of the heat-barrier material 430 around surrounding or the difference of thickness make the reaction time difference, the 424A of sensor portion that detects gas flow temperature utilizes this point, sensitivity that can the free adjustment sensor 424A of portion.And, owing to can freely regulate switching time of damper, and just can deal with a 424A of sensor portion, thus no longer need to be provided with equipment such as timer, thus can realize the simplification of cost degradation and circuit.
(embodiment 9)
The heat exchange type ventilator of embodiment 9 as shown in figure 18.As shown in figure 18, it is provided with defensive wall 431, makes air feed flow directly contact temperature sensor 425B.
In said structure, at air-flow not directly under the situation of contact temperature sensor 425B, the time that detects till the set point of temperature to sensor shortens.On the other hand, under the situation that air-flow does not directly contact, detection time is elongated.Therefore, change the shape of defensive wall 431, change exposure level corresponding to the air-flow of temperature sensor 425B.Thus, can freely regulate the switching time of exhaust damper 416A, air feed damper 417A and circulation damper 419A.And, no longer need to be provided with timer etc., thereby can realize the simplification of cost degradation and circuit.
(embodiment 10)
The heat exchange type ventilator of embodiment 10 as shown in figure 19.As shown in figure 19, it is provided with defensive wall 431, makes by the not direct contact temperature sensor 425C of the circular flow of circulation openings 418A.
In said structure, the reaction time of temperature sensor 425C shortens under the situation that circulating current directly contacts, and is elongated in the following reaction time of situation that circulating current does not directly contact.Change degree by the shape that changes defensive wall 431A, thereby can freely regulate the switching time of exhaust damper 416B, air feed damper 417B and circulation damper 419B corresponding to the contact of the air-flow of temperature sensor 425C.In addition, forming defensive wall 431A makes and will be divided into two from circulation openings 418A leaked-in air amount.Thus, flowing of the air that minimizing contacts with temperature sensor 425C also can make the detection level of temperature sensor 425C variable.Thus, no longer need to be provided with timer etc., thereby can realize the simplification of cost degradation and circuit.
(embodiment 11)
The heat exchange type ventilator of embodiment 10 such as Figure 20 and shown in Figure 21.The part of circulation damper 419C forms the effect of the defensive wall 431B that plays temperature sensor 425D.
In said structure, closed under the state of circulation openings 418B at circulation damper 419C, the defensive wall 431B that forms on the part of circulation damper 419C becomes the defensive wall of temperature sensor 425D.Thereby stop that air feed flows direct contact temperature sensor 425D.Therefore, the reaction time of temperature sensor 425D is elongated.And, can freely regulate the switching time of each damper, and no longer need to be provided with timer etc., thereby can realize the simplification of cost degradation and circuit.
And, opening under the state of circulation openings 418B at circulation damper 419C, the defensive wall 431B that forms on circulation damper 419C is positioned at outside the circulation stream 429.
(embodiment 12)
The heat exchange type ventilator of embodiment 12 such as Figure 22 and shown in Figure 23.It is provided with temperature sensor 425E on circulation damper 419D.
In said structure, it can regulate temperature sensor 425E position that is arranged on the direct contact of air-flow or the position that does not directly contact.According to such structure, can regulate the reaction time of temperature sensor 425E.Thus, can freely regulate the switching time of each damper, and no longer need to be provided with timer etc., thereby can realize the simplification of cost degradation and circuit.
(embodiment 13)
The heat exchange type ventilator of embodiment 13 as shown in figure 24.As shown in figure 24, constitute temperature sensor 425F enforcement waterproof countermeasure.
In said structure, because can prevent sealing enters in the temperature sensor 425F, even, also can prevent in the water intrusion temperature sensor 425F, therefore can fully guarantee the security of heat exchange type ventilator so in stream switch unit 422A, produce condensate water.
In addition, because heat exchange type ventilator of the present invention is provided with the air cleaning mechanism of removing dust in the circulation stream of room air circulation, and be provided with the circulation openings of communication loop stream on the air feed stream of the fresh air outside supply chamber, so a dustiness detecting sensor that detects airborne dustiness can be set near the circulation openings of air feed stream.Therefore, on the purposes of the air cleaning unit that hockets of its purification that also can be adapted to the supply of extraneous air and room air.
Industrial applicibility
Be provided with damper receiving portion and the damper of joggling part by utilization, also can carrying air The passage opening/closing device utilization of the inner damper formation that arranges of the communicating pipe of the tempered air of conditioner In the passage opening/closing device of air conditioner.
Can also be applicable to by sneaking into from outdoor confession from the part of the high temperature air of indoor discharge In the Cryogenic air of gas, thereby prevent freezing of heat exchange elements, need simultaneously often to take a breath In the purposes in air interchanger field.
It can also be applicable in the circulation stream of indoor air circulation and be provided with the air of removing dust Purification mechanism, the air feed stream of the fresh air outside supply chamber is provided with the circulation of communication loop stream Opening, and a pollution that detects airborne dustiness is set near the circulation openings of air feed stream Degree detecting sensor, thereby the sky of the purification of the supply of the extraneous air that can hocket and room air In the purposes of air purifying apparatus.

Claims (31)

1. heat exchange type ventilator, it has:
Heat exchanger, this heat exchanger carry out from indoor exhaust stream and the heat exchange of flowing from outdoor air feed;
Ventilating unit, this ventilating unit be provided with form described exhaust stream exhaust with pressure fan and form the air feed pressure fan that described air feed flows;
Demarcation strip, this demarcation strip separate exhaust flow path and air feed stream;
Exhaust damper bearing piece, this exhaust damper bearing piece has the exhaust port that described exhaust circulation is crossed, and is arranged on the described exhaust flow path;
Air feed damper bearing piece, this air feed damper bearing piece has the air feed opening that described air feed stream passes through, and is arranged on the described air feed stream;
Stream switch unit, this stream switch unit are provided with exhaust damper that opens and closes described exhaust port and the air feed damper that opens and closes described air feed opening,
Wherein near the end of described exhaust damper bearing piece and described air feed damper bearing piece, be provided with and bear the side joggling part, on described exhaust damper and described air feed damper, be provided with the described damper side joggling part that bears side joggling part warpage along described exhaust damper bearing piece and described air feed damper bearing piece.
2. heat exchange type ventilator as claimed in claim 1, wherein,
Described damper side joggling part is to the direction warpage that flows of guides wind.
3. heat exchange type ventilator as claimed in claim 1, wherein,
Have make that described exhaust flow path and described air feed stream be communicated with at the circulation openings of demarcation strip opening and the circulation damper that opens and closes described circulation openings,
On these three openings of described exhaust port, described air feed opening and described circulation openings, dispose exhaust damper, air feed damper and circulation damper respectively.
4. heat exchange type ventilator as claimed in claim 3, wherein,
Described exhaust damper, described air feed damper and described circulation damper are formed in and utilize the blast of described exhaust stream and air feed stream to close the structure that works on the direction of air feed opening, exhaust port and circulation openings.
5. as each described heat exchange type ventilator in claim 3 or the claim 4, wherein,
Described exhaust damper, described air feed damper and described circulation damper are wholely set, and the rotating shaft that constitutes by described damper side opens and closes integratedly.
6. heat exchange type ventilator as claimed in claim 5, wherein,
Be provided with the damper motor in the stream switch unit, this damper motor drives the rotating shaft of the damper side that described exhaust damper, described air feed damper and described circulation damper are opened and closed integratedly.
7. heat exchange type ventilator as claimed in claim 6, wherein,
The rotating shaft of the rotating shaft of described damper motor-side and damper side all is arranged in the described exhaust flow path.
8. as each described heat exchange type ventilator in claim 6 or the claim 7, wherein,
Described damper motor constitutes in the mode of freely installing and removing on described exhaust damper, described air feed damper and described circulation damper.
9. as each described heat exchange type ventilator in claim 6 or the claim 7, wherein,
The on-off action of exhaust damper, air feed damper and circulation damper is all undertaken by damper motor self.
10. as each described heat exchange type ventilator in claim 6 or the claim 7, wherein,
The rotating shaft of the rotating shaft of damper motor-side and damper side is linked by bar, the position of the rotating shaft of the rotating shaft of damper motor-side and the damper side formation that staggers.
11. as each described heat exchange type ventilator in claim 6 or the claim 7, wherein,
The damper motor is arranged on the top surface side of stream switch unit.
12. as each described heat exchange type ventilator in claim 6 or the claim 7, wherein,
Use two limit switches, stop the energising of damper motor when damper stops.
13. heat exchange type ventilator as claimed in claim 1, wherein,
The incorporating section of control device etc. is outstanding to the inside of stream switch unit, forms the wind path guiding piece.
14. a heat exchange type ventilator, it has:
Heat exchange machine portion, this heat exchange machine portion is provided with the heat exchange elements of the heat exchange of carrying out indoor high temperature air and outdoor low temperature air; And with described high temperature air deliver to outdoor, described Cryogenic air is sent into indoor pressure fan;
Low temperature wind path, this low temperature wind path are configured in the outside of described heat exchange machine portion, lead to described heat exchange machine portion from the Cryogenic air suction inlet;
The high temperature wind path, this high temperature wind path leads to the high temperature air exhaust outlet from described heat exchange machine portion; And
Opening, this opening are located on the separator of described low temperature wind path and described high temperature wind path, be used for by air,
Be provided with on described Cryogenic air suction inlet, described high temperature air exhaust outlet and described opening and freeze to prevent portion, this freezes the damper that the portion of preventing is provided with the switching function with the aperture area that changes wind path,
Described heat exchange type ventilator is characterised in that,
Utilize the switching function of described damper, the described opening that will lead by the described high temperature air of described heat exchange elements is blended in the described Cryogenic air indoor described high temperature air, and gets back to described indoor once more.
15. heat exchange type ventilator as claimed in claim 14 is characterized in that,
According to the temperature of the Cryogenic air that sucks from described Cryogenic air suction inlet, utilize damper to come to adjust to the ventilation road surface of described Cryogenic air suction inlet and high temperature air exhaust outlet and opening is long-pending.
16. the heat exchange type ventilator described in claim 14 or claim 15 is characterized in that,
The long-pending damper that adjust, plural at least in the ventilation road surface of described Cryogenic air suction inlet and described high temperature air exhaust outlet and opening is formed one, form and make the structure that opens and closes the function interlock.
17. as each described heat exchange type ventilator in claim 14 or the claim 15, it is characterized in that,
The switching function of described damper is all independent.
18. as each described heat exchange type ventilator in claim 14～claim 17, it is characterized in that,
Be in running in described heat exchange machine portion and stop when middle, utilize described damper to cut off Cryogenic air from path that Cryogenic air suction inlet and high temperature air exhaust outlet flow into.
19. heat exchange type ventilator as claimed in claim 14 is characterized in that,
In described low temperature wind path, be provided with filter.
20. heat exchange type ventilator as claimed in claim 14 is characterized in that,
The described portion of preventing that freezes is arranged on and connects on heat exchange machine portion and the outdoor path pipe arrangement.
21. heat exchange type ventilator as claimed in claim 14 is characterized in that,
Be fixed in the described heat exchange machine portion at the described fixture that freezes to prevent stationary heat exchange machine portion in the portion, and on described fixture, fix the described portion that freezes to prevent.
22. heat exchange type ventilator as claimed in claim 21 is characterized in that,
Described fixture has both the described wind path constituent part that freezes the portion that prevents.
23. a heat exchange type ventilator, wherein,
It has:
Heat exchanger, this heat exchanger carry out indoor exhaust stream and the heat exchange of flowing from outdoor air feed;
Ventilating unit, this ventilating unit are provided with the air feed pressure fan that the exhaust that forms described exhaust stream is used pressure fan and formed described air feed stream;
Demarcation strip, this demarcation strip separate exhaust flow path and air feed stream;
Exhaust damper bearing piece, this exhaust damper bearing piece has the exhaust port that described exhaust circulation is crossed, and is arranged on the described exhaust flow path;
Air feed damper bearing piece, this air feed damper bearing piece has the air feed opening that described air feed stream passes through, and is arranged on the described air feed stream;
The exhaust damper, this exhaust damper opens and closes described exhaust port;
The air feed damper, this air feed damper opens and closes described air feed opening;
Circulation openings, this circulation openings at described demarcation strip opening to be communicated with described exhaust flow path and described air feed stream;
The circulation damper, this circulation damper opens and closes described circulation openings;
The damper motor, this damper motor opens and closes described each damper;
The stream switch unit, this stream switch unit is provided with the detection air themperature, and described each damper is carried out the sensor portion of open and close controlling,
Wherein said sensor portion is arranged on the described air feed stream of described stream switch unit and the circular flow by described circulation openings all on the position contacting.
24. heat exchange type ventilator as claimed in claim 23, wherein,
Described sensor portion is formed by a temperature sensor.
25. heat exchange type ventilator as claimed in claim 24, wherein,
Described sensor portion is formed by the temperature sensor of C contact.
26. as each described heat exchange type ventilator in the claim 23～25, wherein,
Around the described sensor portion by insulation encloses.
27. as each described heat exchange type ventilator in the claim 23～25, wherein,
Be provided with defensive wall, make air feed stream directly not be contacted with described sensor portion.
28. as each described heat exchange type ventilator in the claim 23～25, wherein,
Be provided with defensive wall, make circular flow by described circulation openings directly not be contacted with described sensor portion.
29. as each described heat exchange type ventilator in the claim 23～25, wherein,
The part of described circulation damper play sensor portion defensive wall effect and form.
30. as each described heat exchange type ventilator in the claim 23～25, wherein,
On described circulation damper, sensor portion is set.
31. as each described heat exchange type ventilator in the claim 23～25, wherein,
Sensor portion is implemented the waterproof countermeasure.
CN2006800445672A 2005-12-14 2006-04-27 Heat exchange type ventilator Active CN101317041B (en)

Applications Claiming Priority (7)

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JP2005359953A JP4720475B2 (en) 2005-12-14 2005-12-14 Heat exchange ventilator
JP359953/2005 2005-12-14
JP2005366074A JP2007170713A (en) 2005-12-20 2005-12-20 Heat exchange type ventilation device
JP2005366073A JP2007170712A (en) 2005-12-20 2005-12-20 Heat exchange type ventilation device
JP366073/2005 2005-12-20
JP366074/2005 2005-12-20
PCT/JP2006/308838 WO2007069349A1 (en) 2005-12-14 2006-04-27 Heat exchange type ventilator

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