CN1888628A - Ventilating system - Google Patents
Ventilating system Download PDFInfo
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- CN1888628A CN1888628A CN 200510014195 CN200510014195A CN1888628A CN 1888628 A CN1888628 A CN 1888628A CN 200510014195 CN200510014195 CN 200510014195 CN 200510014195 A CN200510014195 A CN 200510014195A CN 1888628 A CN1888628 A CN 1888628A
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- door
- exchange system
- air
- body housing
- air exchange
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Abstract
This invention discloses a kind of ventilation system with access door set at the underside of body case. It includes: body case; full heat exchanging element arranged at the interior of body case; air exhausting fan; air providing fan; controlling box; access opening run through the underside of body case; access door that screens the access opening; anti-dropping apparatus which is set on the body case and is used for preventing full heat exchanging element dropping during accessing door opening; locating rack which is arranged on the body case and is used for guiding the locating position of full heat exchanging element. As the access opening and access door are arranged at the underside of body case, they are not influenced by their position and can set the ventilation system in comparatively limited space.
Description
Technical field
The present invention relates to a kind of air exchange system, particularly relate to and open and close inner access door and be arranged on air exchange system on the bottom surface of body housing.
Background technology
In recent years, for energy savings and reduction noise, human living space is developed to sealingization and heat insulationization direction.But As time goes on, it is dirty that the air in this enclosure space can become, and air quality descends, and influences people's eupnea.Therefore, should take a breath at any time in the big place of the density of population such as office.At this moment, adopt the air interchanger that utilizes full heat exchange method usually.This is in order to provide outside air keeping under the condition of indoor air temperature, and discharges room air.
Fig. 1 is the stereogram of the air interchanger of prior art, and Fig. 2 is the full heat exchanging element of air interchanger of prior art and the stereogram of prefilter.
As shown in the figure, on a side of the body casing 10 that constitutes outward appearance, be provided with the extraneous air suction inlet 12 that can suck extraneous air.Form the extraneous air that sucks from extraneous air inlet hole 12 between the inside of extraneous air suction inlet 12 and the full heat exchanging element 14 and be delivered to air intake passage (not expression the figure) on the full heat exchanging element 14.
To carry out heat exchange in order making from outside inhaled air with from the indoor air outside that is discharged to, full heat exchanging element 14 to be arranged on the middle position of body casing 10 inside, full heat exchanging element generally has the cross section of rhombus.
Aforesaid full heat exchanging element 14 flows the air with temperature difference respectively in different passages, exchange latent heat and sensible heat in high-efficiency thermal exchange membrane both sides by the high-efficiency thermal exchange membrane.
The extraneous air that flows to full heat exchanging element 14 from described extraneous air suction inlet 12 is given gas portion (not expression the figure) by being arranged on the extraneous air that body housing 10 forms, and is transported to indoor for gas port 16 by the extraneous air that is positioned at extraneous air suction inlet 12 opposite sides.
Simultaneously, described extraneous air is given on gas port 16 sides and has been formed indoor air sucting inlet 18, and externally the side of air suction inlet 12 is formed with the indoor air discharge port 20 that the room air that is drawn into air interchanger inside is discharged.
Formed long full heat exchanging element bracing frame 22 before and after on four angles of described full heat exchanging element 14, and be provided with prefilter 24 on the downside two sides of this full heat exchanging element 14.Prefilter 24 plays the effect of the foreign matter in the extraneous air that removing sucks, and with full heat exchanging element 14 installation is set respectively.Simultaneously, though not expression among the figure, the left and right sides of full heat exchanging element 14 be respectively arranged with room air forced to output to outdoor fan and with the outdoor air forced conveyance to indoor fan.Be provided with the access hole 30 that is used for discrepancy such as full heat exchanging element 14 grades in the front of body housing 10, and utilize access door 32 optionally to cover access hole 30, access door 32 is arranged on the place ahead of full heat exchanging element 14.Be provided with control box 34 on the front right-hand end of body housing 10.The inside of described control box 34 is provided with the various electric components of control air interchanger action.
But as above the air interchanger of Gou Chenging has following shortcoming:
In above-mentioned structure, access hole 30 is arranged on the place ahead of body housing 10, therefore in order to make described full heat exchanging element 14, in the place ahead of body housing 10 certain space need be set, so the position that is provided with of air interchanger is restricted by this access hole 30.
In addition, when opening access door and keep in repair, full heat exchanging element drops easily, full exchange component is damaged and causes security incident thus.
Summary of the invention:
In order to address the above problem, the access door that the object of the present invention is to provide a kind of access hole of the full heat exchanging element of can coming in and going out and cover access hole is arranged on the bottom surface of body housing, and the air exchange system of the anti-dropping apparatus that prevents that full heat exchanging element from dropping when maintenance is installed.
In order to achieve the above object, air exchange system of the present invention comprises: the body housing that is provided with suction inlet that the guiding air comes in and goes out and outlet, formation outward appearance; Be arranged on the body enclosure interior, the full heat exchanging element that carries out heat exchange with the air of indoor and outdoor; Be arranged on the side of full heat exchanging element, indoor air is discharged to outdoor scavenger fan; Be arranged on the side of full heat exchanging element, will give the gas fan in the outdoor air suction chamber; Run through on the bottom surface that is arranged on described body housing the access hole that described full heat exchanging element is come in and gone out; Optionally cover the access door of described access hole; Be arranged on the body housing, the built-in control box of several electric components; Be arranged on the body housing, be used to prevent the anti-dropping apparatus that full heat exchanging element drops when access door is open and be arranged on the body housing, guide the locating rack that the position is set of full heat exchanging element.
Have the as above air exchange system of structure, access hole and access door are arranged on the bottom surface of body housing, therefore can not be subjected to the influence of installation site, in narrow relatively space, also air exchange system can be set.
Description of drawings
Fig. 1 is the stereogram of the air interchanger of prior art;
Fig. 2 is the full thermal element of air interchanger of prior art and the stereogram of prefilter;
Fig. 3 is the inner partial sectional view of forming of air exchange system provided by the invention;
The bottom stereoscopic figure of the air exchange system that Fig. 4 provides for invention;
Fig. 5 is the open mode figure of first kind of embodiment of access door among the present invention;
Fig. 6 is the stereogram of second kind of embodiment of access door among the present invention;
Fig. 7, Fig. 8 are the stereogram of the third embodiment of access door among the present invention;
Fig. 9 is the stereogram of the access door among Fig. 7, Fig. 8;
Figure 10 is the stereogram of the third embodiment of access door among the present invention;
Figure 11 is the state diagram of the mobile state of air exchange system inner air provided by the invention.
Wherein:
50: body housing 52: the extraneous air suction inlet
56: room air outlet 60: full heat exchanging element
70: lower end brace table 72: the upper end brace table
82: extraneous air outlet 84: the outlet installing hole
88: indoor air sucting inlet 90: indoor suction inlet installing hole
100: scavenger fan 102: the scavenger fan cover
110: give gas fan 120: electric machine assembly
130: control box 135: the ceiling fixing port
140: access hole 150: access door
The specific embodiment
Specific embodiments of the present invention is described in detail below in conjunction with accompanying drawing.
Referring to Fig. 3, Fig. 4, as seen from the figure, roughly form the outward appearance that rectangular body housing 50 constitutes entire product, and the inner building block of protection, prevent that outside foreign matter from entering into inside.
The outwards outstanding extraneous air suction inlet 52 that sucks extraneous air that is provided with on the left surface of body housing 50.That is, face the wall and meditate and formed suction inlet installing hole (not expression among the figure) in the portion in the left side of described body housing 50, and insert on this suction inlet installing hole and be provided with extraneous air suction inlet 52.
Central part in described body housing 50 inboards is provided with full heat exchanging element 60.Full heat exchanging element 60 adopts the four prism type structure, has the platy structure that intersects vertically.That is, the dividing plate that utilizes special converted paper to make marks off to gas passage and exhaust passage, avoids outdoor gas and room air to mix mutually.
Like this, aforesaid full heat exchanging element 60 flows the different air with temperature difference in different passages, by the high-efficiency thermal exchange membrane between channel layer, and exchange latent heat and sensible heat.That is, the special converted paper that is used for full heat exchanging element 60 has and only allows moisture and the characteristics of heat by stoping air to pass through.
As above the full heat exchanging element 60 of Gou Chenging giving in device carried out full heat ventilation between gas and the exhaust, from be discharged to outdoor air, absorb airborne heat, it is passed to be fed to indoor outdoor air, like this, the influence of the outdoor air that room air is subjected to will reduce.And, be provided with filter (not expression among the figure) in the lower left side of full heat exchanging element 60.
Be provided with lower end brace table 70 in the lower end of full heat exchanging element 60.Lower end brace table 70 is used to support the lower-end corners of the full heat exchanging element 60 with diamond-shaped cross-section, and structure is longer before and after it.
And, be provided with upper end brace table 72 with lower end brace table 70 symmetries in the upper end of full heat exchanging element 60.Upper end brace table 72 has identical length with lower end brace table 70, and in the upper end of fixed support full heat exchanging element 60.
Be provided with on the rearward end of the left side of body housing 50 room air is discharged to outdoor room air outlet 56, outlet 56 inserts and is fixed on the outlet installing hole (not expression among the figure) that forms on the body housing 50.
At the right side of body housing 50 head end, be provided with extraneous air outlet 82 on the promptly relative face with extraneous air suction inlet 52 is set.Extraneous air outlet 82 inserts and is arranged in the outlet installing hole 84 that forms on body housing 50 right flanks, the outstanding to the right formation of its right flank at body housing 50.
In the rear end, right side of body housing 50, be provided with indoor air sucting inlet 88 on the promptly relative face with extraneous air outlet 56 is set.To right-hand outstanding setting, its insertion is arranged on suction inlet installing hole 90 in the circular cell that forms on the body housing 50 right side rearward end to described indoor air sucting inlet 88 at the right flank of body housing 50.
Be provided with scavenger fan 100 in the left side of described heat exchange elements 60.That is, described room air is provided with room air scavenger fan 100 between room air outlet 56 and extraneous air suction inlet 52.Scavenger fan 100 will force to deliver to outlet 56 by indoor air sucting inlet 88 inhaled airs, therefore preferably use multi blade fan.
In the arranged outside of scavenger fan 100 scavenger fan cover 102.Scavenger fan cover 102 surrounds scavenger fan 100, is arranged on the outside of scavenger fan 100, the air draught that directing exhaust gas fan 100 forms.
Be provided with to gas fan 110 on the right side of full heat exchanging element 60.That is, be provided with between extraneous air outlet 82 and the indoor air sucting inlet 88 shape and scavenger fan 100 identical give gas fan 110, force deliver to indoor by extraneous air outlet 82 extraneous air.
And, though not expression among the figure in the outside of giving gas fan 110, is provided with identical with the scavenger fan cover 102 that is arranged on scavenger fan 100 outsides gas fan guard, the air-flow that guiding forms for gas fan 110 given equally.
Be provided with electric machine assembly 120 in the side of scavenger fan 100.The motor (not having expression among the figure) that is provided with in the inside of electric machine assembly by the power supply that the outside provides, offers scavenger fan 100 with rotary power.
On the head end of the right side of body housing 50, be provided with control box 130.The inside of control box 130 is provided with control part, the running of control air exchange system.That is: constraint power initiation/stop air exchange system, and control is given the revolution of gas fan 110 and scavenger fan 100, adjusts air quantity thus.
Be provided with the ceiling fixing port 135 that air exchange system can be arranged on the ceiling in the front of described body housing 50.Described ceiling fixing port 135 should be separately positioned on the back of the front of body housing 50.
Simultaneously, formed in the inside of body housing 150 inner space has been divided into the up and down baffle plate 180 in space.Baffle plate 180 as shown in the figure, in order to surround described exhaust fan cover 102 and to give gas fan guard (not expression among the figure), its central portion bends to arc, and is arranged to long integrative-structure before and after adopting material such as foamed polystyrene.
And, be provided with at the downside of baffle plate 180 and cover described air-flow that gas fan 110 and scavenger fan 100 form and the pilot cap (not expression among the figure) of giving with guiding function.
Baffle plate 180 possesses the lateral support platform 182,184 of the corner of supporting described full heat exchanging element 60.That is, support the left side brace table 182 of left-hand end of full heat exchanging element 60 and the right side brace table 184 of right-hand end that supports described full heat exchanging element 60 with diamond-shaped cross-section at the medial end of baffle plate 180 towards relatively being provided with.
Simultaneously, in the one side of body housing 50, specifically on the bottom surface of body housing 50, run through being provided with access hole 140.Access hole 140 picks and places for the ease of full heat exchanging element 60, is arranged on the below of full heat exchanging element 60, is provided with the access door 150 that optionally covers access hole 140 on access hole 140.
Below the access door among the present invention is described.
As Fig. 4, shown in Figure 5, on the left-hand end of access door 150, be provided with hinge 151, making access door 150 thus is axially to rotate down with the left-hand end.The right-hand end of access door 150 utilizes screw to be fixed on the bottom surface of body housing 50.
Simultaneously, aforesaid air exchange system operated by rotary motion is on the higher position of ceiling of building etc., and break down at the full heat exchanging element 60 or the internal part of air exchange system inside, when needing replacing or maintenance, in order to carry out after-sale service, as shown in Figure 5, open the access door 150 that is arranged on body housing 50 bottom surfaces.
That is, when unclamping the screw that is arranged on access door 150 right-hand ends, access door 150 is that axle rotates with the left-hand end, can draw full heat exchanging element 60 from the below by access hole 140 thus, and full heat exchanging element 60 is changed or maintenance activity.
Fig. 6 is the stereogram of second kind of embodiment of access door among the present invention.
As shown in the figure, the bottom surface head end and the rear end of body housing 50 are provided with a fixed part 160, and run through on the central part of this door fixed part 160 and be provided with the door installing hole 162 that is used to insert installation clip 164.
And, access door 150 be arranged to can dismounting structure, be provided with clamp 164 in the front-end and back-end of this access door 150.Clamp 164 is structures of optionally inserting an installing hole 162, is made by the wire with spring action.
That is, as shown in the figure, upwards behind the push-in door installing hole 162, clamp launches to both sides with the clamp 164 of head end bending, can access door 150 is fixing, and the head end of access door 150 and rearward end are close on the fixed part 160, prevent that air from leaking.
Can also utilize a fixedly end (rear end) of access door 150 of hinge in addition, and clamp 164 is set on head end.
Fig. 7, Fig. 8 are the stereogram of the third embodiment of access door among the present invention, and Fig. 9 is the stereogram of access door in the third embodiment.As shown in the figure, rectangular access hole 140 front and back connect and are arranged on the bottom surface of body housing 50, and access door 150 is set on access hole 140, are used to open and close access hole 140.Access door 150 is by symmetrical offside door 150 ' and offside door 150 " constitute, and open and close inner slidingly.That is, access door 150 is provided with a pair of, can horizontally slip along the bottom surface of body housing 50.
In the head end and the rear end of access door 150, formed door brace table 152.Promptly on the head end of access door 150, project upwards and be provided with head end brace table 152a, project upwards on the rear end and be provided with rear end brace table 152b.
Specifically, described offside door 150 ' is gone up the right-hand end that the door brace table 152 that forms is arranged on offside door 150 ', is arranged on described offside door 150 " door brace table 152 be arranged on offside door 150 " left end.
The outstanding slide protrusion 154 that is formed with on the medial surface middle position of door brace table 152.Be that described slide protrusion 154 is given prominence to, given prominence to before the mediad of rear end brace table 152b behind the back mediad of head end brace table 152a.Slide protrusion 154 is inserted in the sliding guide 163 and horizontally slips.Under the relative motion of slide protrusion 154 and sliding guide 163, access door 150 moves thus.
On body housing 50, be provided with and accommodate described slide protrusion 154 door fastening devices 170.About the front and back of body housing 50, formed sliding guide 163, the move left and right of guided slidable projection 154 with certain-length.
Sliding guide 163 comprises: the left side guide structure 163 ' that guiding offside door 150 ' moves; Guiding offside door 150 " mobile right side guide structure 163 ".And this sliding guide is divided into guided slidable projection 154 portion that horizontally slips 160 ' that horizontally slips and the portion that slides up and down 160 that guides described slide protrusion 154 to move up and down ".That is: the portion that the horizontally slips 160 ' right-hand end and the right side guide structure 163 of left side guide structure 163 ' " the left-hand end of the portion 160 ' that horizontally slips on formed the upwards portion that slides up and down 160 of vertical curve ", guided slidable projection 154 moves up and down.
Be provided with fixed projection 172 in the upper part of door brace table 152.Fixed projection 172 is with offside door 150 ' and offside door 150 " door fastening device 170 that is fixed together closely a kind of is the part that installs and fixes button 174.Specifically, the fixed projection 172 that is arranged on head end brace table 152a is outstanding forward in the upper end, front of head end brace table 152a, and the fixed projection 172 of rear end brace table 152b is outstanding backward in the upper end, back of rear end brace table 152b.
Offside door 150 ' and offside door 150 " closely fixing by door fastening device 170.That is, offside door 150 ' and offside door 150 " be close to the described access hole 140 of rear enclosed mutually, can prevent offside door and offside door unlatching by door fastening device 170.
Door fastening device 170 comprises: the fixed projection 172 that is fixed together with access door 150; Be fixed on the fixed projection 172 clip 174 and as the hinge axis 176 of the center of rotation of clip 174.
With reference to Fig. 8 as can be known, fixedly formed the columnar axle sleeve 178 that surrounds hinge axis 176 in the front and back of body housing 50.And, be provided with rotary hinge axis 176 in the insertion of the inside of axle sleeve 178.
On the left and right sides of hinge axis 176, be provided with the clip 174 that forms one with it.Clip adopts ' U ' shape structure, can be that rotate at the center with hinge axis 176.Clip 174 optionally is buckled on the fixed projection 172 of the head end that is arranged on access door 174 and rear end and is fixed.
Figure 10 is the stereogram of the 4th kind of embodiment of access door among the present invention.As shown in the figure, on the front of body housing 50 and bottom surface, run through and be provided with the access hole 140 that full heat exchanging element 60 is come in and gone out.That is, access hole 140 comprises as shown in the figure: run through the below access hole 144 that the place ahead access hole 142 that is arranged on body housing 50 front central parts and front and back are arranged on body housing 50 bottom central part.
Full heat exchanging element 60 can be drawn from the place ahead by the place ahead access hole 142, full heat exchanging element 60 can be picked and placeed from the below by below access hole 144.Therefore, the size of the place ahead access hole 142 area of section than full heat exchanging element 60 at least is big, and below access hole 144 has and the corresponding size of full heat exchanging element 60 front and back length.
On access hole 140, be provided with the access door 150 that optionally covers access hole 140.Access door 140 comprises: the protecgulum 152 that optionally covers the place ahead access hole 142; Optionally seal the bottom 154 of below access hole 144.
As shown in the figure, protecgulum 152 forms one from the head end of bottom 154 vertical curve that makes progress.That is, when observing access door 150, form ' ' shape structure, open and close the place ahead access hole 142 and the below access hole 144 of access hole 140 simultaneously in the side.
And, body housing 50 is provided with the door installing hole 158 ' that cooperates with described installing component 156, specifically, around access hole, formed the door that extends to form from body housing 50 and be close to portion 158 and be close to, be close at door and be provided with several installing holes 158 ' in the portion 158 with the periphery of access door 150.
Door installing hole 158 ' is separately positioned on the position of parts through hole 156 ' of corresponding access door.Thus, after installing component 156 ran through parts through hole 156 ', insertion was installed in the installing hole 158 '.
Below, describe for the flow regime of the indoor-outdoor air of air exchange system provided by the invention.Figure 11 is the state diagram of the mobile state of air exchange system inner air provided by the invention.As seen from the figure, according to the complete hot ventilatory pattern that the user selects, the running of the control part of control box 130 control air exchange system.
At first, along with the startup of giving gas fan 110, extraneous air enters the inside of air exchange system by extraneous air suction inlet 52, and is guided by left side suction passage 54 (not shown)s, by the lower left side face of full heat exchanging element 60, be sucked into the inside of full heat exchanging element 60.At this moment extraneous air is flowed through when being arranged on filter on the full heat exchanging element 60 lower left side faces (not expression among the figure), removes inner foreign matter, flows into the inside of described full heat exchanging element 60 then.
After the outdoor air of inflow full heat exchanging element 60 inside and the room air heat-shift and moisture of discharge, discharge by full heat exchanging element 60 upper right faces.Flow through the outdoor air of full heat exchanging element 60 by forcing to send for gas fan 110, under the guiding of exhaust passage, described right side 86 (not shown)s, be transported to indoor by the extraneous air outlet 82 that is arranged on body housing 50 right flanks.
Simultaneously, room air is discharged to outdoor under the effect of scavenger fan 100.At this moment room air by the right side, bottom of full heat exchanging element 60, is sucked into full heat exchanging element 60 inside then by the inside of indoor air sucting inlet 88 inflow air exchange systems.Enter the room air of full heat exchanging element 60 inside with after outdoor air heat-shift and moisture that the outside sucks, discharge by full heat exchanging element 60 lower left side faces, force to send by scavenger fan 100 then, be directed to passing away 58 inside, left side, and be discharged to the outside by the room air outlet 56 that is arranged on the body housing 50 left surface rearward end.
According to aforesaid air exchange system, be provided with the access hole that can pick and place full heat exchanging element in the bottom surface of body housing, and on access hole, be provided with access door, open and close described access hole.Because access door is arranged on the bottom surface of body housing, thus when overhauling, do not take the space of air exchange system side, so in narrow relatively space, also air exchange system can be set.
Claims (14)
1. an air exchange system comprises: be provided with suction inlet and outlet that guides air discrepancy and the body housing that constitutes outward appearance; Be arranged on the body enclosure interior, the full heat exchanging element that carries out heat exchange with the air of indoor and outdoor; Be arranged on the side of full heat exchanging element, room air is discharged to outdoor scavenger fan; Be arranged on the side of full heat exchanging element, outdoor air is drawn into the indoor gas fan of giving; And be arranged on the body housing, the built-in control box of several electric components, it is characterized in that: access hole that full heat exchanging element comes in and goes out and the access door that optionally covers access hole are run through on the bottom surface that is arranged on the body housing.
2. air exchange system according to claim 1 is characterized in that: described access door is that rotate at the center with the axle of an end, and the other end is fixed on the bottom surface of body housing by fixed part.
3. air exchange system according to claim 1 is characterized in that: described access door is removable to be arranged on the bottom surface of body housing.
4. air exchange system according to claim 1 is characterized in that: described access door opens and closes inner air exchange system slidingly.
5. air exchange system according to claim 3 is characterized in that: be respectively arranged with clamp and door installing hole on access door and body housing, clamp and door installing hole adapt.
6. air exchange system according to claim 4 is characterized in that: described access door is made of symmetrical offside door and offside door.
7. air exchange system according to claim 6 is characterized in that: described access door horizontally slips by being separately positioned on the sliding guide on body housing and the access door and the relative motion of slide protrusion.
8. air exchange system according to claim 7 is characterized in that: described slide protrusion forms one with the door brace table of head end that is arranged at access door respectively and rear end.
9. air exchange system according to claim 8 is characterized in that: described offside door and offside door are close to fixing by door fastening device mutually.
10. air exchange system according to claim 9 is characterized in that: described door fastening device comprises: with the fixed projection of access door formation one; Be fixed on the fixed projection clip and as the hinge axis of the center of rotation of clip.
11. air exchange system according to claim 10 is characterized in that: described fixed projection is arranged on the door brace table of access door head end and rear end.
12. air exchange system according to claim 1 is characterized in that: described access hole by run through in the front of body housing central authorities the place ahead access hole of forming and be provided with before and after the central authorities of the bottom surface of body housing rectangular below access hole constitute.
13. air exchange system according to claim 12 is characterized in that: described access door comprises the protecgulum that optionally covers the place ahead access hole and optionally covers the bottom of below access hole.
14. air exchange system according to claim 13 is characterized in that: described protecgulum forms one from the end head end vertical curve that makes progress, and access door is fixedly mounted on the body housing by fixed part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510014195 CN1888628A (en) | 2005-06-30 | 2005-06-30 | Ventilating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510014195 CN1888628A (en) | 2005-06-30 | 2005-06-30 | Ventilating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1888628A true CN1888628A (en) | 2007-01-03 |
Family
ID=37577916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510014195 Pending CN1888628A (en) | 2005-06-30 | 2005-06-30 | Ventilating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1888628A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987453A (en) * | 2015-05-25 | 2016-10-05 | 上海净养环保科技有限公司 | Fresh air purifying device |
| CN111465809A (en) * | 2017-12-15 | 2020-07-28 | 斯德龙有限两合公司 | Ventilation device and method for maintaining a ventilation device and associated insertion unit |
| CN111480037A (en) * | 2017-12-15 | 2020-07-31 | 斯德龙有限两合公司 | Ventilation device for buildings |
| CN112097359A (en) * | 2020-09-22 | 2020-12-18 | 江西艾斯欧匹精密智造科技有限公司 | Vertical heat recovery fresh air fan convenient to maintainer operation |
-
2005
- 2005-06-30 CN CN 200510014195 patent/CN1888628A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987453A (en) * | 2015-05-25 | 2016-10-05 | 上海净养环保科技有限公司 | Fresh air purifying device |
| CN111465809A (en) * | 2017-12-15 | 2020-07-28 | 斯德龙有限两合公司 | Ventilation device and method for maintaining a ventilation device and associated insertion unit |
| CN111480037A (en) * | 2017-12-15 | 2020-07-31 | 斯德龙有限两合公司 | Ventilation device for buildings |
| CN112097359A (en) * | 2020-09-22 | 2020-12-18 | 江西艾斯欧匹精密智造科技有限公司 | Vertical heat recovery fresh air fan convenient to maintainer operation |
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