CN206556207U - A kind of new blower fan heat exchanger core - Google Patents
A kind of new blower fan heat exchanger core Download PDFInfo
- Publication number
- CN206556207U CN206556207U CN201720285037.2U CN201720285037U CN206556207U CN 206556207 U CN206556207 U CN 206556207U CN 201720285037 U CN201720285037 U CN 201720285037U CN 206556207 U CN206556207 U CN 206556207U
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- air
- fresh air
- heat exchanger
- duct
- fresh
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Abstract
The utility model belongs to air heat exchange equipment technical field, and in particular to a kind of new blower fan heat exchanger core.The noise that the fresh-air fan rotating speed of the new blower fan of heat exchange for setting screen pack is brought after improving increases, the increased deficiency of energy consumption, and the technical scheme of use is：A kind of new blower fan heat exchanger core, including core body, the fresh air channel being isolated from each other and air exhaust passage are set on core body, including multiple fresh air fresh air inlets, fresh air exhaust vent and it is connected in fresh air duct therebetween, air exhaust passage includes multiple air draft fresh air inlets, air draft exhaust vent and is connected in air draft duct therebetween, and fresh air air intake hole area sum is more than air draft air-out hole area sum.Heat exchanger core of the present utility model, its fresh air air intake hole area sum is more than air draft air-out hole area sum, balances the crushing between fresh air side and air draft side, while fresh-air fan rotating speed and power is reduced, it can still ensure that room pressure is more than outdoor, so as to reduce noise, reduce energy consumption.
Description
Technical field
The utility model belongs to air heat exchange equipment technical field, and in particular to a kind of new blower fan heat exchanger core.
Background technology
Heat exchanger core is set in the new blower fan of heat exchange, and during bidirectional ventilated, outdoor fresh air is with room air in heat
Exchange in core and produce heat exchange, the cold and hot energy in part in room air can be reclaimed, energy waste is reduced.Due to air quality
Poor, the new blower fan of heat exchange of in the market generally sets screen pack in the air inlet of heat exchanger core, to filter outdoor fresh air
In various impurity.Set after screen pack, add air intake windage, produce blower fan crushing.In the serious region of haze, due to setting
The screen pack put is thicker, and the increase of air intake windage is more, and blower fan crushing is bigger.Meanwhile, in order to avoid or reduce outdoor air from
Got in the gaps such as door and window, room pressure needs to be more than outdoor.
The existing new blower fan of the heat exchange for setting screen pack, its heat exchanger core sets the fresh air channel being isolated from each other and air draft logical
Road, fresh air channel is identical with air exhaust passage size.To ensure that room pressure is more than outdoor, generally improve fresh-air fan rotating speed to increase
Add air quantity.But, after fresh-air fan rotating speed is improved, noise increase, energy consumption increase；In the serious region of haze, fresh-air fan
Rotating speed needs to improve more, causes noise bigger, energy consumption is more.
The content of the invention
What the utility model was brought after being improved for the fresh-air fan rotating speed of the existing new blower fan of heat exchange for setting screen pack makes an uproar
Sound increase, energy consumption are increased not enough there is provided a kind of new blower fan heat exchanger core, in the same of reduction fresh-air fan rotating speed and power
When, it can still ensure that room pressure is more than outdoor, so as to reduce noise, reduce energy consumption.
To achieve the above object, the utility model is adopted the following technical scheme that：A kind of new blower fan heat exchanger core, including core
The fresh air channel being isolated from each other and air exhaust passage be set on body, core body, including multiple fresh air fresh air inlets, fresh air exhaust vent and is connected in
Therebetween fresh air duct, air exhaust passage includes multiple air draft fresh air inlets, air draft exhaust vent and is connected in air draft therebetween
Duct, fresh air air intake hole area sum is more than air draft air-out hole area sum.
Heat exchanger core of the present utility model, its fresh air air intake hole area sum is more than air draft air-out hole area sum, balance
Crushing between fresh air side and air draft side, while fresh-air fan rotating speed and power is reduced, can still ensure that room pressure is big
In outdoor, so as to reduce noise, energy consumption is reduced.The ratio of fresh air air intake hole area sum and air draft air-out hole area sum according to
Depending on windage produced by different screen packs.Fresh air fresh air inlet and fresh air exhaust vent are suitably identical hole, fresh air fresh air inlet and
Fresh air exhaust vent is identical, can under equal conditions provide the intake of maximum, and process relatively easy, or not phase
Same hole；Air draft fresh air inlet and air draft exhaust vent are suitably identical hole, and air draft fresh air inlet is identical with air draft exhaust vent, equal
Under the conditions of the air output of maximum can be provided, and process relatively easy, or the hole differed.
Preferably, the ratio of fresh air air intake hole area sum and air draft air-out hole area sum is 1:0.2-0.8.Through excessive
Secondary experiment, after testing different screen packs, the ratio of fresh air air intake hole area sum and air draft air-out hole area sum exists
1:It is 1.1-1.5 times of air draft air quantity that fresh air intake is may be such that in 0.2-0.8 intervals, and this ratio is overall efficiency, power consumption etc.
More excellent interval after each side.
Preferably, fresh air channel and the equal layered arrangement of air exhaust passage and alternately laminated, fresh air duct are highly more than air draft
Duct.Fresh air channel and air exhaust passage layered arrangement and alternately laminated, and fresh air channel and air exhaust passage be generally interspersed,
The energy recovery efficiency of heat exchanger core is higher；Because fresh air cell wide is generally equal to air draft cell wide, fresh air duct height
More than air draft duct, it is easy to obtain required area ratio.
Preferably, core body include it is multiple it is alternately laminated upper piece and bottom sheet, upper piece include upper piece flat board, upper piece flat board office
Portion edge extends to form the first vent road side wall to side, and local edge extends to form the first fresh air duct side to opposite side
Wall；Bottom sheet includes bottom sheet flat board, and bottom sheet flat board local edge extends to form the second fresh air duct sidewall to side, local edge to
Opposite side extends to form the second vent road side wall；First vent road side wall is in contact the row of being formed with the second vent road side wall
Air holes road；First fresh air duct sidewall and the second fresh air duct sidewall are in contact to form fresh air duct.Core body includes multiple alternatings
Stacking upper piece and bottom sheet, individually process piece and bottom sheet after assemble again, it is easy to process, can will be upper when needing cleaning
Piece is taken apart with bottom sheet, is easy to cleaning；The non-elongated area of upper piece flat board, bottom sheet flat board both sides local edge formed fresh air fresh air inlet,
Fresh air exhaust vent, air draft fresh air inlet, air draft exhaust vent.
Preferably, the one side extension of upper piece flat board is a plurality of with the first contour reinforcement of the first vent road side wall,
Another side extends a plurality of and the second contour reinforcement of the first fresh air duct sidewall；Bottom sheet flat board one side extension it is a plurality of with
The 3rd contour reinforcement of second fresh air duct sidewall, another side extends a plurality of and contour the second vent road side wall the 4th
Reinforcement, the first reinforcement and the 4th reinforcement are in contact, and every layer of air draft duct are separated into multiple；Second reinforcement and
Three reinforcements are in contact, and every layer of fresh air duct are separated into multiple.By setting reinforcement, structural strength is improved, and add
Between strengthening tendons and reinforcement and channel side wall also form air channel.Fresh air air intake hole width is equal to air draft air-out hole width, by adjusting
The height of whole side wall and reinforcement, you can the ratio of regulation fresh air air intake hole area and air draft air-out hole area.
Preferably, upper piece open up through hole, bottom sheet is opened up and upper piece concentric through hole of through hole, upper piece through hole and bottom sheet through hole
The passage of formation is isolated with fresh air duct and air draft duct.By being set in upper through hole and the passage of bottom sheet through hole formation
Connector such as plastic tube, it is convenient to be assembled integrally upper piece with bottom sheet, and ensure that fresh air channel and air exhaust passage are isolated from each other.
Preferably, heat exchanger core is in parallelepiped, reinforcement is in " S " shape.Reinforcement is in " S " shape, improves air and exists
Residence time in heat exchanger core, convection current is produced, heat exchange efficiency is improved.
Preferably, heat exchanger core is rectangular, reinforcement is linearly.Heat exchanger core is rectangular, easy to process, and directly
The fresh air channel and air exhaust passage windage of wire are smaller, are adapted to the relatively low occasion of exchange heat request.
Preferably, the bottom sheet of rectangle heat exchanger core is connected with upper piece edge by seam, or upper piece pass through with bottom sheet
Locating dowel and positioning hole connection, upper piece through hole and bottom sheet through hole both pass through locating dowel and positioning hole.Bottom sheet passes through with upper piece edge
Seam is connected, or is connected by locating dowel and positioning hole, and positioning is quick, convenient for assembly.
Preferably, core body is integrally formed and rectangular, fresh air duct and air draft duct are vertical.Core body is integrally formed, knot
Structure intensity is good, reduces installation time.
Heat exchanger core of the present utility model, its fresh air air intake hole area sum is more than air draft air-out hole area sum, balance
Crushing between fresh air side and air draft side, while fresh-air fan rotating speed and power is reduced, can still ensure that room pressure is big
In outdoor, so as to reduce noise, energy consumption is reduced.Middle fresh-air fan and the rotating speed difference of exhaust fan are larger compared with prior art,
The rotating speed of fresh-air fan of the present utility model and exhaust fan can be basically identical, improves service life.Fresh air air intake hole area
Depending on windage of the ratio of sum and air draft air-out hole area sum according to produced by different screen packs.
Brief description of the drawings
Fig. 1 is the structural representation of the core body of the utility model embodiment 1；
Fig. 2 is the decomposition texture schematic diagram of the core body of the utility model embodiment 1；
Fig. 3 is upper piece the structural representation of the utility model embodiment 1；
Fig. 4 is the structural representation of the bottom sheet of the utility model embodiment 1；
Fig. 5 is the structural representation of the core body of the utility model embodiment 2；
Fig. 6 is upper piece the structural representation of the utility model embodiment 2；
Fig. 7 is the structural representation of the bottom sheet of the utility model embodiment 2；
Fig. 8 is the structural representation of the core body fresh air fresh air inlet of the utility model embodiment 2；
Fig. 9 is the structural representation of the core body air draft exhaust vent of the utility model embodiment 2；
Figure 10 is the structural representation of the core body of the utility model embodiment 3；
In figure, 1- fresh air fresh air inlets；
2- air draft exhaust vents；
Upper of 3-；Upper flat board of 31-；32- the first vent roads side wall；33- the first fresh air duct sidewalls；34- first adds
Strengthening tendons；The reinforcements of 35- second；36- through holes；37- seams；
4- bottom sheet；41- bottom sheet flat boards；42- the second fresh air duct sidewalls；43- the second vent roads side wall；44- the 3rd adds
Strengthening tendons；The reinforcements of 45- the 4th；46- through holes；47- seams.
Embodiment
With reference to the accompanying drawing of the utility model embodiment, the technical scheme to the utility model embodiment explain and
Illustrate, but following embodiments are only preferred embodiment of the present utility model, and it is not all.Based on the embodiment in embodiment,
The other embodiment that those skilled in the art are obtained on the premise of creative work is not made, belongs to the utility model
Protection domain.
As shown in figure 1, the core body of the utility model embodiment 1, including core body, the fresh air being isolated from each other is set to lead on core body
Road and air exhaust passage, fresh air channel include multiple fresh air fresh air inlets 1, with the identical fresh air exhaust vent of fresh air fresh air inlet 1 and being connected in
Therebetween fresh air duct, air exhaust passage include multiple air draft fresh air inlets, with air draft fresh air inlet identical air draft exhaust vent 2 and
It is connected in air draft duct therebetween, the area sum of fresh air fresh air inlet 1 is more than the area sum of air draft exhaust vent 2.
Core body is in parallelepiped, and it includes four equal short sides long side equal with two, wall envelope in side where long side
Close, side wall opens up fresh air fresh air inlet 1 and air draft exhaust vent 2 where short side.The ratio of long side and short side is 4:3.Core body can also be
Regular hexagon shape, or other shapes.
The quantity and width of fresh air fresh air inlet 1 are identical with air draft exhaust vent 2, and the height of fresh air fresh air inlet 1 goes out for air draft
Twice of air holes 2.Layer arrangement is divided equally and alternately laminated in fresh air duct and air draft duct, i.e. fresh air fresh air inlet 1 and air draft exhaust vent 2
Alternately laminated, every layer of fresh air fresh air inlet 1 or the quantity of air draft exhaust vent 2 is identical.
As shown in Figures 2 to 4, the core body of the utility model embodiment 1, core body includes multiple alternately laminated upper piece 3 Hes
Bottom sheet 4.Upper piece 3 include upper piece flat board 31, upper piece flat board 31 is in parallelepiped, and its local edge side extends vertically to be formed
First vent road side wall 32, its local edge opposite side extends vertically to form the first fresh air duct sidewall 33.First vent
Road side wall 32 be arranged at two couple of parallelepiped it is longer while and it is shorter a pair while at, the first fresh air duct sidewall 33 is set
In parallelepiped two couples it is longer while and another pair it is shorter while at.Bottom sheet 4 includes a bottom sheet flat board 41, bottom sheet flat board 41
In parallelepiped, its its local edge side extends vertically to form the second fresh air duct sidewall 42, and its its local edge is another
Side extends vertically to form the second vent road side wall 43.Two couple that second fresh air duct sidewall 42 is arranged at parallelepiped is longer
While and it is shorter a pair while at, the second vent road side wall 43 is arranged at the longer side of two couples and another pair of parallelepiped
At shorter side.First vent road side wall 32 is identical with the second vent road side 43 position dimensions of wall, and the two is in contact to be formed
Air draft duct；First fresh air duct sidewall 33 is identical with the position dimension of the second fresh air duct sidewall 42, and the two is in contact to form new
Air holes road.
The upper piece one side of flat board 31 also extends vertically a plurality of and the first contour reinforcement 34 of the first vent road side wall 32,
Another side also extends vertically a plurality of and the second contour reinforcement 35 of the first fresh air duct sidewall 33；The one side of bottom sheet flat board 41
Extend vertically a plurality of with the 3rd contour reinforcement 44 of the second fresh air duct sidewall 42, another side extends vertically a plurality of with second
The 4th contour reinforcement 45 of air draft duct sidewall 43.First reinforcement 34, the second reinforcement 35, the 3rd reinforcement the 44, the 4th
Reinforcement 45 is in " S " shape.First reinforcement 34 is identical with the position dimension of the 4th reinforcement 45, and the two is in contact, by every layer
Air draft duct is separated into multiple；Second reinforcement 35 is identical with the position dimension of the 3rd reinforcement 44, the two joint, by every layer
Fresh air duct is separated into multiple.
The upper piece wall upper surface of flat board 31 opens up counterbore, lower surface projection locating dowel；The wall upper surface of bottom sheet flat board 41 is opened
If counterbore, lower surface projection locating dowel；By counterbore and locating dowel, upper piece flat board 31 and bottom sheet flat board 41 are positioned, convenient dress
Match somebody with somebody.Also opened up in through hole 36, the counterbore and locating dowel of the side wall of bottom sheet flat board 41 in the counterbore and locating dowel of upper piece side wall of flat board 31
Through hole 46 is also opened up, through hole 36 is opened at the angle of neighbouring parallelepiped, and through hole 46 is opened in the angle of neighbouring parallelepiped
Place.Through hole 36 and through hole 46 are concentric, can be by multi-disc upper piece by wearing connector such as plastic tube in through hole 36 and through hole 46
3 and bottom sheet 4 be integrally fixed.
As shown in Figures 5 to 9, set on the core body of the utility model embodiment 2, core body the fresh air channel that is isolated from each other and
Air exhaust passage, fresh air channel includes multiple fresh air fresh air inlets 1 and the identical fresh air exhaust vent of fresh air fresh air inlet 1 and is connected in the two
Between fresh air duct, air exhaust passage includes multiple air draft fresh air inlets, with air draft fresh air inlet identical air draft exhaust vent 2 and being connected in
Therebetween air draft duct, the area sum of fresh air fresh air inlet 1 is more than the area sum of air draft exhaust vent 2.Fresh air duct and air draft
The equal layered arrangement in duct and alternately laminated, i.e. fresh air fresh air inlet 1 and air draft exhaust vent 2 is alternately laminated, and every layer includes identical quantity
Fresh air fresh air inlet 1 or air draft exhaust vent 2.
The quantity and width of fresh air fresh air inlet 1 are identical with air draft exhaust vent 2, by the height for adjusting side wall and reinforcement
Degree, you can the ratio of adjustment intake and air output, so as to adapt to the different windages that different screen packs are brought.In the present embodiment,
The height of fresh air fresh air inlet 1 is twice of air draft exhaust vent 2.
Core body include it is multiple it is alternately laminated upper piece 3 and bottom sheet 4.Upper piece 3 include upper piece flat board 31, upper piece flat board 31 is in
Rectangle, its local edge extends vertically to form the first vent road side wall 32 to side, and its local edge vertically prolongs to opposite side
Stretch to form the first fresh air duct sidewall 33.First vent road side wall 32 is arranged at a pair of parallel side of rectangle, and first is new
Wind duct sidewall 33 is arranged at the parallel side of another pair of rectangle.Bottom sheet 4 includes a bottom sheet flat board 41, and bottom sheet flat board 41 is in square
Shape, its local edge is extended vertically to form the second fresh air duct sidewall 42 to side, and its local edge is extended vertically to opposite side
Form the second vent road side wall 43.Second fresh air duct sidewall 42 is arranged at a pair of parallel side of rectangle, the second air draft
Duct sidewall 43 is arranged at a pair of parallel side of rectangle.First vent road side wall 32 and the second 43, vent road side wall
Put size identical, the first fresh air duct sidewall 33 is identical with the position dimension of the second fresh air duct sidewall 42.
Opened up on upper piece flat board 31 and through hole 46 is opened up on through hole 36, bottom sheet flat board 41, through hole 36 and through hole 46 are concentric, pass through
Connector such as plastic tube is worn in through hole 36 and through hole 46, multi-disc upper piece 3 and bottom sheet 4 can be integrally fixed.
Upper piece 3 upper surfaces are identical with the lower surface of bottom sheet 4, and upper piece 4 lower surfaces are identical with upper piece 3 upper surfaces 4.Upper piece 3 and under
The fresh air duct and air draft duct that piece 4 is constituted can accordingly be exchanged, it is ensured that the area of fresh air fresh air inlet 1 is more than air draft exhaust vent 2,
As above the upper surface of piece 3 forms fresh air channel with the lower surface of bottom sheet 4, and upper piece 3 lower surfaces form air exhaust passage with the upper surface of bottom sheet 4.
The main distinction of the core body of embodiment 2 and the core body of embodiment 1 is：1. core body is shaped as rectangle；2. the
One reinforcement 34, the second reinforcement 35, the 3rd reinforcement 44, the 4th reinforcement 45 are linearly；3. upper piece 3 first row
Seam 37, the second fresh air duct sidewall 42 of bottom sheet 4 and are respectively provided with the fresh air duct sidewall 33 of wind duct sidewall 32 and first
Seam 47 is respectively provided with two air draft duct sidewalls 43, seam 37 and seam 47 are engaged.
As shown in Figure 10, the core body of embodiment 3 of the present utility model, core body is integrally formed and rectangular, fresh air duct and
Air draft duct is vertical.Fresh air channel includes multiple identical fresh air fresh air inlets 1, and air exhaust passage includes multiple identical air draft air-out
Hole 2, the width of fresh air fresh air inlet 1 is identical with the width of air draft exhaust vent 2, and the height of fresh air fresh air inlet 1 is air draft exhaust vent 2
Twice so that the ratio of the area of fresh air fresh air inlet 1 and the area of air draft exhaust vent 2 is 2.
The shape of fresh air fresh air inlet 1 and air draft exhaust vent 2 is rectangle.Although fresh air fresh air inlet 1 and air draft exhaust vent 2
The shape of shape can also be the other shapes such as circle, but be enabled to using rectangle in same space, and circulation air quantity is most
Greatly.
More than, embodiment only of the present utility model, but protection domain of the present utility model is not limited thereto,
It is familiar with the those skilled in the art and should be understood that the utility model includes but is not limited in accompanying drawing and above embodiment
The content of description.Any modification without departing from function and structure principle of the present utility model is intended to be included in the model of claims
In enclosing.
Claims (10)
1. set the fresh air channel being isolated from each other and air draft logical on a kind of new blower fan heat exchanger core, including core body, the core body
Road, the fresh air channel includes multiple fresh air fresh air inlets (1), fresh air exhaust vent and is connected in fresh air duct therebetween, described
Air exhaust passage includes multiple air draft fresh air inlets, air draft exhaust vent (2) and is connected in air draft duct therebetween, it is characterised in that
Fresh air fresh air inlet (1) the area sum is more than air draft exhaust vent (2) area sum.
2. a kind of new blower fan heat exchanger core as claimed in claim 1, it is characterised in that fresh air fresh air inlet (1) area
The ratio of sum and air draft exhaust vent (2) area sum is 1:0.2-0.8.
3. a kind of new blower fan heat exchanger core as claimed in claim 2, it is characterised in that the fresh air duct and air draft duct
Equal layered arrangement and alternately laminated, the fresh air duct is highly more than air draft duct.
4. a kind of new blower fan heat exchanger core as claimed in claim 3, it is characterised in that the core body includes multiple alternating layers
Folded upper piece (3) and bottom sheet (4), described upper piece (3) include upper piece flat board (31), and upper piece flat board (31) local edge is to one
Side extends to form the first vent road side wall (32), and local edge extends to form the first fresh air duct sidewall (33) to opposite side；
The bottom sheet (4) includes bottom sheet flat board (41), and bottom sheet flat board (41) local edge extends to form the second new ventilation slot to side
Road side wall (42), local edge extends to form the second vent road side wall (43) to opposite side；First vent road side wall
(32) it is in contact to form air draft duct with the second vent road side wall (43)；The first fresh air duct sidewall (33) and second new
Wind duct sidewall (42) is in contact to form fresh air duct.
5. a kind of new blower fan heat exchanger core as claimed in claim 4, it is characterised in that the side of upper piece flat board (31)
Face extension is a plurality of with contour the first reinforcement (34) of the first air draft channel side wall (32), another side extension it is a plurality of with it is first new
Contour the second reinforcement (35) of wind channel side wall (33)；The one side of the bottom sheet flat board (41) extends a plurality of and the second fresh air
The 3rd contour reinforcement (44) of channel side wall (42), another side extension is a plurality of contour with the second air draft channel side wall (43)
4th reinforcement (45), the first reinforcement (34) and the 4th reinforcement (45) are in contact, and every layer of air draft duct are separated into many
It is individual；Second reinforcement (35) and the 3rd reinforcement (44) are in contact, and every layer of fresh air duct are separated into multiple.
6. a kind of new blower fan heat exchanger core as claimed in claim 5, it is characterised in that described upper piece (3) edge is led to
Hole (36), bottom sheet (4) edge through hole (46) concentric with through hole (36), upper piece through hole (36) and bottom sheet through hole
(46) passage formed is isolated with fresh air duct and air draft duct.
7. a kind of new blower fan heat exchanger core as claimed in claim 5, it is characterised in that the heat exchanger core is in parallel six side
Shape, the reinforcement is in " S " shape.
8. a kind of new blower fan heat exchanger core as claimed in claim 5, it is characterised in that the heat exchanger core is rectangular, institute
State reinforcement linearly.
9. a kind of new blower fan heat exchanger core as claimed in claim 6, it is characterised in that upper piece (3) lead to bottom sheet (4)
Seam (37,47) connection is crossed, or upper piece (3) are connected with bottom sheet (4) by locating dowel and positioning hole, upper piece through hole
And bottom sheet through hole (46) both passes through locating dowel and positioning hole (36).
10. a kind of new blower fan heat exchanger core as claimed in claim 3, it is characterised in that the core body is integrally formed and is in
Rectangle, the fresh air duct and air draft duct are vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720285037.2U CN206556207U (en) | 2017-03-22 | 2017-03-22 | A kind of new blower fan heat exchanger core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720285037.2U CN206556207U (en) | 2017-03-22 | 2017-03-22 | A kind of new blower fan heat exchanger core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206556207U true CN206556207U (en) | 2017-10-13 |
Family
ID=60366027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720285037.2U Withdrawn - After Issue CN206556207U (en) | 2017-03-22 | 2017-03-22 | A kind of new blower fan heat exchanger core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206556207U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918127A (en) * | 2017-03-22 | 2017-07-04 | 杭州奥普卫厨科技有限公司 | A kind of new blower fan heat exchanger core |
-
2017
- 2017-03-22 CN CN201720285037.2U patent/CN206556207U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918127A (en) * | 2017-03-22 | 2017-07-04 | 杭州奥普卫厨科技有限公司 | A kind of new blower fan heat exchanger core |
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Granted publication date: 20171013 Effective date of abandoning: 20220902 |
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| AV01 | Patent right actively abandoned |
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| AV01 | Patent right actively abandoned |