CN100414192C - Ventilator - Google Patents
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- CN100414192C CN100414192C CNB2004100195059A CN200410019505A CN100414192C CN 100414192 C CN100414192 C CN 100414192C CN B2004100195059 A CNB2004100195059 A CN B2004100195059A CN 200410019505 A CN200410019505 A CN 200410019505A CN 100414192 C CN100414192 C CN 100414192C
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Abstract
The present invention relates to a ventilating device which comprises a casing, an air absorbing and wind supplying device, an air exhausting and wind supplying device, a heat exchanger, a pressure sensor and a microcomputer, wherein in the casing, outdoor air and indoor air are absorbed and exhausted via respective flowing space; the air absorbing and wind supplying device is arranged in the outdoor air flowing space in the casing and comprises an air absorption fan blowing the outdoor air; the air exhausting and wind supplying device is arranged in the indoor air flowing space in the casing and comprises an air exhaust fan blowing the indoor air; the heat exchanger is arranged in the casing, and the outdoor air and the indoor air exchange heat on the heat exchanger; the pressure sensor is inserted into at least two holes which are used for measuring pressure and formed on the casing; whether failure exists is judged by air pressure measured by the pressure sensor. The hole for measuring the pressure, which is formed on the casing, is blocked by a stopper under normal conditions; when the pressure is measured, the pressure sensor is inserted into the hole, the pressure of air in the casing is measured and is compared with an inputted standard value to judge whether the failure exists in the system and rapidly find a method for eliminating failure.
Description
Technical field
The present invention relates to a kind of air interchanger.
Background technology
Generally, along with the prolongation of time, the content of carbon dioxide raises the air of enclosure space because of the respiration of life entity.Carbon dioxide content can make the breathing of life entity feel very ill when increasing, so often use air interchanger at the many narrow spaces of people such as office or vehicle, the air of indoor pollution is changed into outdoor ozone.This air interchanger has forces the pressure fan that blows to room air and outdoor air, by pressure fan the room air that pollutes is discharged to be drawn into fresh outdoor air indoor again outdoor the time.But when indoor refrigeration and ventilation are carried out simultaneously, along with the hot-air that the room air of refrigeration is discharged and suction chamber is outer, because of the temperature of outdoor air is compared the cryogenic temperature height, so refrigerating efficiency reduces.And when in indoor heating and ventilation when carrying out simultaneously, along with the cold air that a room air that heats is discharged and suction chamber is outer, to heat temperature low because of the temperature of outdoor air is compared, so the heating efficiency reduction.
Above-mentioned air interchanger also is provided with and makes the heat exchanger that produces heat exchange between room air and the outdoor air.
As shown in Figures 1 and 2, login discloses the flat 09-137984 of communique number existing air interchanger at Japan Patent, forms the outdoor air inlet hole (4a) of suction chamber outer air and the room air tap (6b) of discharge room air in a side of rectangular container (2); The another side of shell (2) forms outdoor air tap (4b) of discharging outdoor air and the room air inlet hole (6a) that sucks room air; The central authorities of shell (2) are provided with heat exchanger (8), are formed with the stream of outdoor air and indoor air flows in the described heat exchanger (8); The both sides central authorities of shell (2) are respectively arranged with the drawing fan (10) and the scavenger fan (20) of discharging room air of suction chamber outer air.In addition, shell (2) is inner also be provided with the space obstacle portion that forms air duct (7a, 7b) with the air channel (9a, 9b, duct).(7a 7b) guides to the outdoor air that sucks from outdoor air inlet hole (4a) heat exchanger (8) or a room air that sucks from room air inlet hole (6a) is guided to heat exchanger (8) in above-mentioned space obstacle portion; (9a 9b) is expelled to the outdoor air by heat exchanger (8) outdoor air tap (4b) or the room air by heat exchanger (8) is expelled to room air tap (6b) in above-mentioned air channel.Above-mentioned heat exchanger (8) is by the dismountable shell (2) that is arranged on of the inspection socket (2a) that is formed on the central side of shell (2).And make the corner part of heat exchanger (8) slidably insert the space obstacle portion that is respectively formed at that is arranged on (7a, 7b) two ends and air channel (9a, 9b) track of above and below (5, rail) on.In order to improve heat exchanger effectiveness, can a plurality of heat exchangers (8) parallel connection alongst be set.Above-mentioned drawing fan (10) and scavenger fan (20) are arranged on and connect air channel (9a respectively, fan installing rack (12 9b), 22) inboard, and drawing fan (10) and scavenger fan (20) all adopt behind direction of principal axis suction chamber outer air or the room air again along the tangential Sirocco fan (sirocco fan) of discharging of circumference.The motor (14,24) that drives drawing fan (10) and scavenger fan (20) respectively is fixedly installed on separately the fan installing rack (12,22).And driving the motor (14) of drawing fan (10) and the motor (24) of driving scavenger fan (20) is provided with towards the both sides of heat exchanger (8) central authorities.In addition, a side of the heat exchanger (8) that outdoor air flows into sometimes also is provided with the filter (not shown), and the filter bag filter is contained in the foreign matters such as dust in the outdoor air.
But, existing air interchanger is because assembly failure, the outdoor air or the room air that may cause being blown into enclosure produce leakage, perhaps because on filter or heat exchanger, accumulate too much foreign matter, break down on the passage that blows outdoor air and room air, air can not flow smoothly.As mentioned above, at air exchange system the fault of system taking place can not judge when unusual, can not find out the method for removal system fault.
Summary of the invention
In order to overcome the above-mentioned shortcoming that existing air interchanger exists, the invention provides a kind of air interchanger, it can judge the fault of system according to the pressure of outdoor air that is blown into enclosure or room air.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of air interchanger is characterized in that, it comprises shell, air-breathing air-supply arrangement, air exhausting blower, heat exchanger, pressure sensor, micro computer; The flowing space that outdoor air and room air pass through separately in the described shell sucks and discharges; In the described air-breathing air-supply arrangement setting outdoor air flows space inside the shell, comprise the drawing fan that blows outdoor air; In the described air exhausting blower setting indoor air flows space inside the shell, comprise the scavenger fan that blows room air; Described heat exchanger is arranged on enclosure, and outdoor air and room air carry out heat exchange on heat exchanger; Described pressure sensor is inserted at least one the pressure measxurement that is formed on the shell with on the hole, and measures the pressure of air; The air pressure that described micro computer is measured according to pressure sensor judges whether to break down.
Aforesaid air interchanger, wherein shell simultaneously forms outdoor air inlet hole and room air tap, opposing face forms outdoor air tap and room air inlet hole, and shell one side forms inspection socket, by inspection socket detachable heat interchanger, and dismountable inspection socket cover cap is set on the inspection socket.
Aforesaid air interchanger, wherein it also comprises outdoor air stream guider and room air stream guider, described outdoor air stream guider is arranged between described outdoor air inlet hole and room air tap and the heat exchanger, when the outdoor air heat exchanger direction that flows into the outdoor air inlet hole is guided the room air through over-heat-exchanger is guided to room air tap direction; Described room air stream guider is arranged between described outdoor air tap and room air inlet hole and the heat exchanger, and the outdoor air through over-heat-exchanger is guided the room air heat exchanger direction that flows into the room air inlet hole when outdoor air tap direction guides.
Aforesaid air interchanger, wherein pressure measxurement is formed in the flowing space of outdoor air heat exchanger suction with the hole.
Aforesaid air interchanger, wherein pressure measxurement is formed on outdoor air in the flowing space of heat exchanger discharge with the hole.
Aforesaid air interchanger, wherein pressure measxurement is formed in the flowing space of room air heat exchanger direction suction with the hole.
Aforesaid air interchanger, wherein pressure measxurement is formed on room air in the flowing space of heat exchanger discharge with the hole.
Aforesaid air interchanger, wherein pressure measxurement is formed near the inspection socket shell one side with the hole.
Aforesaid air interchanger, wherein pressure measxurement is formed on the inspection socket cover cap with the hole.
Aforesaid air interchanger, during wherein except gaging pressure, leak in order to prevent air, described pressure measxurement is with hole stopper shutoff.
Aforesaid air interchanger, wherein micro computer has been imported the normal pressure scope in advance, the pressure of the air by normal pressure scope comparative pressure sensor measurement, and judged whether anomaly.
Aforesaid air interchanger, wherein air interchanger also comprises the alarm device of the judged result of micro computer being informed the user.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the schematic perspective view of existing air interchanger.
Fig. 2 is the generalized section of existing air interchanger.
Fig. 3 is the schematic perspective view of air interchanger of the present invention.
Fig. 4 is the floor map of air interchanger of the present invention.
Fig. 5 is the exploded perspective schematic diagram of the pressure sensor mounting portion of air interchanger of the present invention.
Fig. 6 is along the generalized section of A-A line among Fig. 4.
Fig. 7 is along the generalized section of B-B line among Fig. 4.
The number in the figure explanation:
32: shell 42: the outdoor air inlet hole
44: outdoor air tap 46: the room air inlet hole
48: room air tap 50: heat exchanger
60: air-breathing air-supply arrangement 70: air exhausting blower
82: outdoor air stream guiding 84: room air stream guider
A: outdoor air inhalation flow space B: outdoor air is discharged the flowing space
C: room air inhalation flow space D: room air is discharged the flowing space
The specific embodiment
As accompanying drawing 3, Fig. 4, shown in Figure 5, form the outdoor air inlet hole (42) of suction chamber outer air and the room air tap (48) of discharge room air in a side of rectangular container (32), the another side of shell (32) forms outdoor air tap (44) of discharging outdoor air and the room air inlet hole (46) that sucks room air; Central authorities in the shell (32) are provided with heat exchanger (50), make outdoor air and room air carry out heat exchange; Above-mentioned air-breathing air-supply arrangement (60) is arranged on outdoor air tap (44) inboard, is used to discharge outdoor air; Above-mentioned air exhausting blower (70) is arranged on room air tap (48) inboard, is used to discharge room air; Above-mentioned pressure sensor (not shown) is inserted at least more than one the pressure measxurement that is formed on the shell with on hole (55), is used for the pressure of measuring chamber outer air or room air.This air interchanger also comprises outdoor air stream guider (82) and room air stream guider (84), and described outdoor air stream guider (82) guides outdoor air heat exchanger (50) the direction guiding that flows into outdoor air inlet hole (42) to the room air through over-heat-exchanger (50) simultaneously to room air tap (48) direction; Described room air stream guider (84) guides room air heat exchanger (50) the direction guiding that flows into room air inlet hole (46) to the outdoor air through over-heat-exchanger (50) simultaneously to outdoor air tap (44) direction.One side of shell (32) forms outdoor air inlet hole (42) and room air tap (48), and the another side of shell (32) forms outdoor air tap (44) and room air inlet hole (46).And shell (32) one sides form the inspection socket (34h) that makes heat exchanger (50) slide and insert, and dismountable inspection socket cover cap (34) is set on the described inspection socket (34h).And for the upper and lower side that makes heat exchanger (50) can slidably insert, the portion top and bottom form gathering sill (36) respectively in the enclosure.
Above-mentioned heat exchanger (50) is by a plurality of first, second heat exchange elements (52 of heat exchange membranes (50a) superimposed layer of square shape or hexagonal configuration, 54) constitute, the rib (50b, guide rib) of leading of described first, second heat exchange elements (52,54) is arranged side by side along diagonal.At this moment, outdoor air, flows into the back and discharges from the top of another side as benchmark with heat exchanger (50) from bottom, shell one side; Room air, flows into the back and discharges from the bottom of a side as benchmark with heat exchanger (50) from top, shell another side, outdoor air and room air carry out heat exchange action like this.The bypass air throttle (38 that is provided with to be opened/closed between heat exchanger (50) and the shell (32), bypass damper), described bypass air throttle (38) makes can discharge but directly pass through room air tap (48) without heat exchanger (50) by the room air of room air inlet hole (46) suction.
Above-mentioned air-breathing air-supply arrangement (60) is made of drawing fan (62), fan drum (64), motor (66), motor brace table (68), and described drawing fan (62) is a kind of Sirocco fan, is arranged on outdoor air tap (44) inboard; Described fan drum (64) inside is provided with drawing fan (62), and outdoor air is guided to outdoor air tap (44) direction; Described motor (66) is used to drive drawing fan (62); Described motor brace table (68) is fixed on motor (66) on the fan drum (64).Above-mentioned air exhausting blower (70) is the same with air-breathing air-supply arrangement (60) to be made of scavenger fan (72), fan drum (74), motor (76), motor brace table (78), described scavenger fan (72) is a kind of Sirocco fan, is arranged on room air tap (48) inboard; Described fan drum (74) inside is provided with scavenger fan (72), and room air is guided to room air tap (48) direction; Described motor (76) is used to drive scavenger fan (72); Described motor brace table (78) is fixed on motor (76) on the fan drum (74).Drive the motor (66) of drawing fan (62) and the motor (76) of driving scavenger fan (72) and be provided with, make the user dismantle easily and to check and to keep in repair by checking (34h) towards shell (32) side that forms inspection socket (34h).
Above-mentioned outdoor air stream guider (82) is arranged between shell (32) medial chamber outer air inlet hole (42) and room air tap (48) and heat exchanger (50) one sides, project upwards formation in the part that is connected with outdoor air inlet hole (42), make the outdoor air that sucks by outdoor air inlet hole (42) be directed to bottom, heat exchanger (50) one side; The part that is connected with room air tap (48) is swelled formation downwards, makes the room air that is discharged to top, heat exchanger (50) one side be directed to room air tap (48).Air exhausting blower (70) is arranged on the inboard outdoor air stream guider (82) of room air tap (48) part of protuberance downwards.Room air stream guider (84) is arranged between shell (32) medial chamber outer air tap (44) and room air inlet hole (46) and heat exchanger (50) another side, the part that is connected with outdoor air tap (44) is swelled formation downwards, makes the outdoor air that is expelled to heat exchanger (50) another side be directed to outdoor air tap (44); The part that is connected with room air inlet hole (46) projects upwards formation, makes the room air that sucks by room air inlet hole (46) be directed to heat exchanger (50) bottom, another side.Air-breathing air-supply arrangement (60) is arranged on the outstanding part of the inboard room air stream guider (84) of outdoor air tap (44) downwards.The end of outdoor air stream guider (82) and room air stream guider (84) forms gathering sill (92a, 92b), and the two sides of heat exchanger (50) form can slidably insert above-mentioned gathering sill (92a, direction protrusion 92b) (94a, 94b).So heat exchanger (50) slidably is combined between outdoor air stream guider (82) and the room air stream guider (84).
In the air interchanger of the present invention, be provided with pressure sensor with hole (H) in pressure measxurement, product export or when doing after-sale service the user can judge whether to break down after by the pressure of pressure sensor measuring chamber outer air or room air.For the pressure with pressure sensor measuring chamber outer air, pressure measxurement is formed on the outdoor air discharge flowing space (B) side that outdoor air is inhaled into the outdoor air inhalation flow space (A) of bottom, heat exchanger one side or is discharged to heat exchanger (50) top, another side with hole (H); In order to measure the pressure of room air with pressure sensor, pressure measxurement is formed on indoor air flows space (D) side that outdoor air is inhaled into heat exchanger (50) opposite side basifacial indoor air flows space (C) or is discharged to top, heat exchanger (50) one side with hole (H).And pressure measxurement is formed near shell (32) one sides of inspection (34h) with hole (H) or is formed directly on the inspection socket cover cap (34).Generally, pressure measxurement is sealed with extra stopper (56) with hole (H), and outdoor air or room air leak when preventing the air interchanger startup.Remove unstopper (56) back during gaging pressure and pressure sensor is set on hole (H) in pressure measxurement.Air interchanger of the present invention also comprises micro computer and alarm device (not shown), described micro computer is not only controlled motor (66) that drives drawing fan (62) and the startup that drives the motor (76) of scavenger fan (72), can also judge whether system anomaly takes place according to the air pressure that pressure sensor is measured; Described alarm device is notified the user judged result of micro computer.Micro computer import in advance after the normal pressure scope can the comparative pressure sensor measurement air pressure judged whether anomaly, not only to consider to comprise the flow resistance on the stream that the air of heat exchanger (50) flows during decision normal pressure scope, also will consider other factors such as rotary speed of drawing fan (62) and scavenger fan (72).The pressure of the air of measuring when pressure sensor just is judged as air exchange system when exceeding the normal pressure scope and breaks down.Above-mentioned alarm device utilizes light, sound, literal to wait next anomaly to user's apprizing system.
The following describes the course of action of air interchanger of the present invention.Generally, after hole (H) was used in the shutoff pressure measxurement of usefulness stopper (56), the startup air interchanger supplied to outdoor air indoor, room air is discharged to outdoor.Specify as follows: along with the rotation of drawing fan (62), the outdoor air that sucks by outdoor air inlet hole (42) is directed to the bottom, a side of heat exchanger (50) by outdoor air stream guider (82) as shown in Figure 6, and after bottom, the side inflow of heat exchanger (50), discharge from the top of heat exchanger another side again, after carrying out heat exchange, supply to the interior space by drawing fan (62) and outdoor air tap (44) with outdoor air.Meanwhile, rotation along with scavenger fan (72), the room air that sucks by room air inlet hole (46) is directed to heat exchanger (50) bottom, another side by room air stream guider (84) as shown in Figure 7, and after the inflow of heat exchanger (50) bottom, another side, discharge from top, heat exchanger one side again, and after carrying out heat exchange with room air, be discharged to outdoor by scavenger fan (72) and room air tap (48).
In addition, product export or when keeping in repair for check system, air exchange system of the present invention go up to remove unstopper (56) and pressure sensor is arranged on pressure measxurement in pressure measxurement and starts air interchanger with hole (H) after last with hole (H), measure the outdoor air blow in shell (32) inside or the pressure of room air by pressure sensor, and judge whether to have taken place fault thus.Specifically, along with rotating room's outer air of drawing fan (62) is inhaled into bottom, heat exchanger (50) one side, again in the process of discharging by opposite side top, be arranged on outdoor air inhalation flow space (A) and outdoor air and discharge that the pressure sensor of the flowing space (B) side is measured the pressure of the preceding outdoor air of inflow heat exchanger (50) respectively and the pressure of the outdoor air of discharging from heat exchanger (50); Along with the rotation room air of scavenger fan (72) is inhaled into heat exchanger (50) bottom, another side, again in the process of discharging by a upper lateral part, be arranged on room air inhalation flow space (C) and room air and discharge that the pressure sensor of the flowing space (D) side is measured the pressure of the preceding room air of inflow heat exchanger (50) respectively and the pressure of the room air of discharging from heat exchanger (50).At this moment, if outdoor air or room air are when shell (32) leaks, the force value of the air of measuring is on the low side; The foreign matter or abnormal problem takes place and air is flowed when having some setbacks if accumulate dust on the air flow circuit etc., the force value of the air of then measuring is higher.As mentioned above, after the pressure and the normal pressure scope that is prior-entered at micro computer of the outdoor air of each position measurement or room air compare, can judge whether anomaly.When if the pressure of air exceeds the normal pressure scope, to user's apprizing system problem is arranged by alarm device, working properly if the pressure of air is informed to the user in the normal pressure scope time.
The effect of invention
Air interchanger of the present invention is generally used the stopper shutoff in the pressure measxurement that shell forms with the hole, surveys Insert pressure sensor in the hole during piezometric power, measure then and blow the in the enclosure pressure of the air of section, And compare according to the standard value of measured value and input, thereby judge whether system breaks down, and then Fault is found out rapidly the method for dealing with problems.
Claims (12)
1. an air interchanger is characterized in that, it comprises shell, air-breathing air-supply arrangement, air exhausting blower, heat exchanger, pressure sensor, micro computer;
The flowing space that outdoor air and room air pass through separately in the described shell sucks and discharges;
In the described air-breathing air-supply arrangement setting outdoor air flows space inside the shell, comprise the drawing fan that blows outdoor air;
In the described air exhausting blower setting indoor air flows space inside the shell, comprise the scavenger fan that blows room air;
Described heat exchanger is arranged on enclosure, and outdoor air and room air carry out heat exchange on heat exchanger;
Described pressure sensor is inserted at least one the pressure measxurement that is formed on the shell with on the hole, and measures the pressure of air;
The air pressure that described micro computer is measured according to pressure sensor judges whether to break down.
2. air interchanger according to claim 1, it is characterized in that described shell simultaneously forms outdoor air inlet hole and room air tap, opposing face forms outdoor air tap and room air inlet hole, and shell one side forms inspection socket, by inspection socket detachable heat interchanger, and dismountable inspection socket cover cap is set on the inspection socket.
3. air interchanger according to claim 2, it is characterized in that it also comprises outdoor air stream guider and room air stream guider, described outdoor air stream guider is arranged between described outdoor air inlet hole and room air tap and the heat exchanger, when the outdoor air heat exchanger direction that flows into the outdoor air inlet hole is guided the room air through over-heat-exchanger is guided to room air tap direction; Described room air stream guider is arranged between described outdoor air tap and room air inlet hole and the heat exchanger, and the outdoor air through over-heat-exchanger is guided the room air heat exchanger direction that flows into the room air inlet hole when outdoor air tap direction guides.
4. air interchanger according to claim 3 is characterized in that described pressure measxurement is formed in the flowing space of outdoor air heat exchanger suction with the hole.
5. air interchanger according to claim 3 is characterized in that described pressure measxurement is formed on outdoor air in the flowing space of heat exchanger discharge with the hole.
6. air interchanger according to claim 3 is characterized in that described pressure measxurement is formed in the flowing space of room air heat exchanger direction suction with the hole.
7. air interchanger according to claim 3 is characterized in that described pressure measxurement is formed on room air in the flowing space of heat exchanger discharge with the hole.
8. according to claim 4 or 5 or 6 or 7 described air interchangers, it is characterized in that described pressure measxurement is formed near the inspection socket shell one side with the hole.
9. according to claim 4 or 5 or 6 or 7 described air interchangers, it is characterized in that described pressure measxurement is formed on the inspection socket cover cap with the hole.
10. air interchanger according to claim 1, when it is characterized in that except gaging pressure, leak in order to prevent air, described pressure measxurement is with hole stopper shutoff.
11. air interchanger according to claim 1 is characterized in that described micro computer imported the normal pressure scope in advance, the pressure of the air by normal pressure scope comparative pressure sensor measurement, and judged whether anomaly.
12. air interchanger according to claim 1 is characterized in that described air interchanger also comprises the alarm device of the judged result of micro computer being informed the user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100195059A CN100414192C (en) | 2004-06-09 | 2004-06-09 | Ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100195059A CN100414192C (en) | 2004-06-09 | 2004-06-09 | Ventilator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1707185A CN1707185A (en) | 2005-12-14 |
| CN100414192C true CN100414192C (en) | 2008-08-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100195059A Expired - Fee Related CN100414192C (en) | 2004-06-09 | 2004-06-09 | Ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100414192C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107126644A (en) * | 2016-02-29 | 2017-09-05 | 郑辉 | A kind of bionical mouth mask of built-in fans |
| CN107727798A (en) * | 2017-09-27 | 2018-02-23 | 深圳市鹏恒太空舱酒店设备有限公司 | A kind of Sleeping capsule ventilation fault alarm method and Sleeping capsule |
| JP6793850B2 (en) * | 2017-10-19 | 2020-12-02 | 三菱電機株式会社 | Heat exchange ventilator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0414231A2 (en) * | 1989-08-22 | 1991-02-27 | Sanden Corporation | Control device for heat collection type ventilation equipment |
| JPH08159530A (en) * | 1994-12-02 | 1996-06-21 | Ebara Corp | Total heat exchanger |
| JPH09137984A (en) * | 1995-11-14 | 1997-05-27 | Mitsubishi Electric Corp | Ventilator |
| JPH11287492A (en) * | 1998-04-02 | 1999-10-19 | Matsushita Seiko Co Ltd | Heat exchanging ventilator |
| CN2600752Y (en) * | 2002-12-30 | 2004-01-21 | 武雄 | Automatic dust removal warming humidification air interchanger |
-
2004
- 2004-06-09 CN CNB2004100195059A patent/CN100414192C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0414231A2 (en) * | 1989-08-22 | 1991-02-27 | Sanden Corporation | Control device for heat collection type ventilation equipment |
| JPH08159530A (en) * | 1994-12-02 | 1996-06-21 | Ebara Corp | Total heat exchanger |
| JPH09137984A (en) * | 1995-11-14 | 1997-05-27 | Mitsubishi Electric Corp | Ventilator |
| JPH11287492A (en) * | 1998-04-02 | 1999-10-19 | Matsushita Seiko Co Ltd | Heat exchanging ventilator |
| CN2600752Y (en) * | 2002-12-30 | 2004-01-21 | 武雄 | Automatic dust removal warming humidification air interchanger |
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|---|---|
| CN1707185A (en) | 2005-12-14 |
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Granted publication date: 20080827 Termination date: 20110609 |