CN208090891U - A kind of Fresh air handling units - Google Patents
A kind of Fresh air handling units Download PDFInfo
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- CN208090891U CN208090891U CN201820577551.8U CN201820577551U CN208090891U CN 208090891 U CN208090891 U CN 208090891U CN 201820577551 U CN201820577551 U CN 201820577551U CN 208090891 U CN208090891 U CN 208090891U
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- exchanging core
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Abstract
The utility model is related to a kind of Fresh air handling units, including shell (1), fresh air duct and return airway are equipped in shell (1)；With heat exchanging core (2), it is movably located in shell (1), for in the state of moving to first position, making fresh air duct respectively realize that itself is connected to by heat exchanging core (2) with return airway, so that Fresh air handling units work in heat exchange pattern；And in the state of moving to the second position, heat exchanging core (2) is made to be stopped, so that Fresh air handling units are in heat exchange off mode.The Fresh air handling units can realize the switching of unit operating mode by the movement of heat exchanging core, without being controlled using air-valve in structure, keep set structure compacter, and control is simple and reliable, is advantageously implemented multiple functions.
Description
Technical field
The utility model is related to air-conditioning technique field more particularly to a kind of Fresh air handling units.
Background technology
Fresh air is widely used in the civilian comfort field such as green building, transport hub and education and medical care at present except haze device
It closes.Fresh air handling units generally use wind valve structure currently on the market realizes the opening and closing in air duct, with Total heat exchange function,
Switch between the different operating mode such as bypass or interior circulatory function.
Since wind valve structure volume is larger so that be difficult to that more air-valve is arranged inside Fresh air handling units to be combined with spirit
Various functions are realized livingly, so product in the market or have unidirectional bypass function or have interior circulatory function, and unit body
Product is larger, or without function in this respect.
Moreover, wind valve structure is that the damper movement for being fitted in air port is driven by motor, it, may after air-valve longtime running
There is the phenomenon that hinge corrosion loosens, it during the motion may be stuck.In addition, in the state that air-valve is closed, air door with
Also inevitably there is gap between air port, thus be difficult to reach preferably sealing effect.
Utility model content
The embodiments of the present invention provide a kind of Fresh air handling units, can make the more compact structure of Fresh air handling units.
To achieve the above object, the embodiments of the present invention provide a kind of Fresh air handling units, including：
Shell, shell is interior to be equipped with fresh air duct and return airway；With
Heat exchanging core is movably located in shell, in the state of moving to first position, making fresh air duct
Respectively realize that itself is connected to by heat exchanging core with return airway, so that Fresh air handling units work in heat exchange pattern；And
It moves in the state of the second position, heat exchanging core is made to be stopped, so that Fresh air handling units are in heat exchange off mode.
Further, heat exchanging core is rotatably arranged.
Further, heat exchanging core is rotatably arranged using itself geometric center as axis.
Further, Fresh air handling units further include driving mechanism, for driving heat exchanging core to move.
Further, multiple partition boards are equipped in shell, for the space in shell to be divided into four air duct sections side by side,
Fresh air duct is collectively formed in two of which air duct sections, and return airway is collectively formed in other two air duct sections, and heat exchanging core is located at
In intermediate two air duct sections.
Further, fresh air inlet, fresh air outlet, return air inlet and return air are equipped on one of shell side side by side
Outlet.
Further, heat exchanging core is in regular polygon.
Further, Fresh air handling units further include multiple sealing elements flexible, and the heat exchanging core can move to
In the state of one position, by contacting sealing with each sealing element, keep the fresh air duct and return airway respectively logical
It crosses the heat exchanging core and realizes connection；And in the state of moving to the second position, by at least partly described sealing element
It is detached from sealing state, the heat exchanging core is made to be stopped.
Further, each sealing element is uniformly distributed along the circumferential direction of the heat exchanging core.
Further, the heat exchanging core is rotatably arranged, and the heat exchanging core is in regular polygon, heat exchanger core
Body makes the vertex of regular polygon contact sealing with sealing element, and when turning to the second position, makes when turning to first position
The side of regular polygon generates gap with sealing element face.
Further, sealing element is air bag.
Further, Fresh air handling units further include the sealing state regulating member being located in shell, are sealed for active accommodation
Sealing state between part and heat exchanging core.
Further, sealing element is air bag, and sealing state regulating member includes inflation/deflation mechanism, for adjusting filling for air bag
Tolerance, to realize the expansion or shrinkage of air bag.
Further, Fresh air handling units further include control unit, are in needed for sealing state between air bag and heat exchanging core
Aeration quantity and air bag and heat exchanging core between when keeping presetting gap required aeration quantity be stored in advance in control unit
In.
Further, sealing state regulating member includes straight line driving mechanism, for driving sealing element towards close or remote
Direction translation from heat exchanging core.
Based on the above-mentioned technical proposal, the Fresh air handling units of the utility model one embodiment, heat exchanging core are movably set
In shell, fresh air duct and return airway can be made respectively to pass through heat exchanger core in the state of moving to first position
Body realizes that itself is connected to, so that Fresh air handling units work in heat exchange pattern；And in the state of moving to the second position, make hot friendship
It changes core to be stopped, so that Fresh air handling units are in heat exchange off mode.The Fresh air handling units can pass through heat exchanging core
The switching of unit operating mode is realized in movement, without being controlled using air-valve in structure, keeps set structure compacter, and
It controls simple and reliable, is advantageously implemented multiple functions.
Description of the drawings
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings：
Fig. 1 is that one embodiment of the utility model Fresh air handling units is in the structural schematic diagram of heat exchange pattern；
Fig. 2 is the structural schematic diagram of one embodiment of rotating mechanism in the utility model Fresh air handling units；
Fig. 3 is that one embodiment of the utility model Fresh air handling units is in the structural schematic diagram of off working state；
Fig. 4 is that one embodiment of the utility model Fresh air handling units is in the structural schematic diagram of fresh air bypass mode；
Fig. 5 is that one embodiment of the utility model Fresh air handling units is in the structural schematic diagram of return air bypass mode；
Fig. 6 is that one embodiment of the utility model Fresh air handling units is in the structural representation of the double bypass modes of fresh air, return air
Figure；
Fig. 7 is that one embodiment of the utility model Fresh air handling units is in the structural schematic diagram of interior circulation pattern；
The structure that Fig. 8 is in the mixed wind pattern of fresh air, air draft standard-sized sheet for one embodiment of the utility model Fresh air handling units is shown
It is intended to；
Fig. 9 is that one embodiment of the utility model Fresh air handling units is in fresh air, air draft proportion adjustment mixes the knot of wind pattern
Structure schematic diagram；
Figure 10 is the flow diagram of one embodiment of the utility model Fresh air handling units control method.
Reference sign
1, shell；2, heat exchanging core；3, driving mechanism；31, driving gear；32, driven gear；4, fresh-air fan；5,
Exhaust fan；6, partition board；7, sealing element；8, air duct sections.
Specific implementation mode
The utility model described further below.In the following paragraphs, the different aspect of embodiment is defined in more detail.
The various aspects so limited can be combined with any other one side or many aspects, can not be combined unless explicitly stated otherwise.Especially
It is, it is considered to be preferred or advantageous any feature can be considered as preferred or advantageous spy with other one or more
Sign combination.
The terms descriptions merely for convenience such as " first " that occurs in the utility model, " second ", with distinguish have it is identical
The different building blocks of title are not offered as priority or primary-slave relation.
"upper", "lower", "top", "bottom", "front", "rear", "inner" and "outside" etc. are used in the description of the present invention,
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing this practicality newly
Type does not indicate or imply the indicated device and must have a particular orientation, with specific azimuth configuration and operation, therefore not
It can be interpreted as the limitation to scope of protection of the utility model.
As shown in Figures 1 to 9, the utility model provides a kind of Fresh air handling units, can be complete-hot fresh air unit, can be used
The structures such as ceiling mounting type, clothes closet style, wall-mounted.In a schematical embodiment, which includes shell 1 and Re Jiao
Change core 2.Fresh air duct and return airway are equipped in shell 1.Heat exchanging core 2 is movably located in shell 1, to pass through
The movement of heat exchanging core 2 changes fresh air or the trend of return air stream.
Heat exchanging core 2 can keep fresh air duct and return airway respectively logical in the state of moving to first position
It crosses heat exchanging core 2 and realizes itself connection, so that Fresh air handling units work in heat exchange pattern；And in the shape for moving to the second position
Under state, heat exchanging core 2 is made to be stopped, i.e., fresh air and return air stream flowing when not by heat exchanging core 2 so that newly
Blower fan group is in heat exchange off mode.
Such Fresh air handling units can make new wind turbine according to the different use demand of user by controlling the movement of heat exchanging core 2
Group realizes different functions.Wherein, under heat exchange pattern, fresh air duct and return airway are free flow of air simultaneously, into new
The outdoor fresh air in wind air duct and the room air for entering return airway will pass through heat exchanging core 2 to exchange heat, and be suitable for
The outer temperature difference larger period uses indoors.Under heat exchange off mode, it may include a variety of different operating modes, for example,
The functions such as indoor circulation or filtering and off working state are realized when the outer temperature difference is smaller indoors.
The Fresh air handling units of the utility model embodiment, heat exchanging core are movably located in shell, can pass through heat
It exchanges core between the first position and the second position to switch, realizes different operating modes, so that Fresh air handling units realize difference
Function.From the phase by way of selectively controlling different air-valve opening and closings and realizing fresh air system different function in the prior art
Than the Fresh air handling units of the utility model, without being controlled by the way that multiple air-valves are arranged, are transported in structure by heat exchanging core
The switching of dynamic position can change fresh air and return air stream direction, to realize different functions, can make the overall structure of unit
It is compacter, and control is simple and reliable, is conducive to that Fresh air handling units is made to have multiple functions.
In some embodiments, as shown in figures 1 and 3, heat exchanging core 2 is rotatably arranged.Such set-up mode energy
Enough reduce the occupied space when realizing that position switches of heat exchanging core 2, keeps the overall structure of unit compacter.It can
Alternatively, the mode that heat exchanging core 2 can also translate moves.
Preferably, as shown in Figure 1, heat exchanging core 2 is rotatably arranged using itself geometric center as axis.Such setting
Mode can make heat exchanging core 2 in rotary course without occupying additional space, and can make the rotation of heat exchanging core 2
Process is more reliable and more stable, is not susceptible to shake.In addition, also help by shell 1 air channel structure or other parts set
It is calculated as, relative to 2 symmetrical form of heat exchanging core, optimizing Fresh air handling units internal structure.
On this basis, the Fresh air handling units of the utility model further include driving mechanism 3, for driving heat exchanging core 2 to transport
It is dynamic.According to the different motion mode of heat exchanging core 2, different types of driving mechanism 3 may be selected.Control can be set in Fresh air handling units
Component processed controls driving mechanism 3 by control unit and heat exchanging core 2 is driven to move, Fresh air handling units can be made automatically to carry out mould
Formula switches.Alternatively, the movement of heat exchanging core 2 can also manually control.
As shown in Figure 1, heat exchanging core 2 is rotatably arranged using itself geometric center as axis, driving mechanism 3 can be selected
The transmission mechanism of rotary motion can be exported by selecting gear drive, V belt translation or chain drive etc..Preferably, as shown in Fig. 2, driving machine
Structure 3 includes power part, driving gear 31 and driven gear 32, and power part can be stepper motor, and driven gear 32 can be with
Heat exchanging core 2 is coaxially disposed, to drive heat exchanging core 2 around own axis.Such driving mechanism 3 can make heat exchange
The rotation process of core 2 is more steady, and can relatively accurately control the movement position of heat exchanging core 2.
As shown in Figure 1, multiple partition boards 6 are equipped in shell 1, for the space in shell 1 to be divided into four wind side by side
Fresh air duct is collectively formed in road section 8, two of which air duct sections 8, and return airway, heat exchange is collectively formed in other two air duct sections 8
Core 2 is located in intermediate two air duct sections 8.Fresh air duct and return airway are both designed as turning type structure by the embodiment, can
Shorten the entire length in air duct, reduces Fresh air handling units along air duct length direction the space occupied.During heat exchanging core 2 is located at
Between in two air duct sections 8, fresh air and return air stream can make full use of each of heat exchanging core 2 when by heat exchanging core 2
Position carries out uniform heat exchange, improves heat exchange efficiency.
In some embodiments, it is equipped with fresh air inlet side by side on one of shell 1 side, fresh air exports, return air enters
Mouth and return air outlet, fresh air inlet and fresh air outlet are located at the both ends of fresh air duct, and return air inlet and return air outlet are distinguished
Positioned at the both ends of return airway.Each air inlet and air outlet are located to the same side of shell 1, the length in air duct can be extended
Degree, to form stable gas flowfield inside air duct, is conducive to the heat exchange or filtering of gas.
Specifically, the mode arranged below of air inlet and air outlet both is within the protection scope of the present invention.
First, as shown in Figure 1, fresh air inlet and fresh air outlet are correspondingly arranged with two air duct sections 8 among shell 1 respectively,
Return air inlet and return air outlet are correspondingly arranged with two air duct sections 8 of 1 side of shell respectively.
Second, fresh air inlet and fresh air outlet are correspondingly arranged with two air duct sections 8 of 1 side of shell respectively, return air inlet
It is correspondingly arranged respectively with two air duct sections 8 among shell 1 with return air outlet.
It is correspondingly arranged third, fresh air inlet and fresh air export two adjacent with 1 side of shell respectively air duct sections 8, return air
Entrance and return air export two adjacent with 1 other side of shell respectively air duct sections 8 and are correspondingly arranged.
Fourth, fresh air inlet and fresh air outlet are correspondingly arranged with two air duct sections 8 at interval respectively, return air inlet and return air
Outlet is correspondingly arranged with the air duct sections at other two interval 8 respectively.
In the set-up mode of above several air inlets and air outlet, it is preferable that fresh air inlet, fresh air outlet, return air enter
The installation position of mouth and return air outlet can make fresh air air-flow and return air stream opposite by heat exchanging core 2, to pass through gas
The mode of convection current improves heat exchanger effectiveness.
In some embodiments, heat exchanging core 2 is in regular polygon.It is designed with using regular polygon conducive to shell 1 is improved
The symmetry in interior air duct and the setting of each component makes the compact-sized of Fresh air handling units, and when needing to carry out position switching, to heat
The rotation direction no requirement (NR) for exchanging core 2 is also easy to the rotational angle of setting heat exchanging core 2.
On the basis of the above embodiments, as shown in Figure 1, the Fresh air handling units of the utility model further include multiple flexible close
Sealing 7, heat exchanging core 2 can be in the state of moving to first position, as shown in Figure 1, by being contacted with each sealing element 7
Sealing makes fresh air duct be respectively connected to by the realization of heat exchanging core 2 with return airway；And in the shape for moving to the second position
Under state, as shown in Fig. 3 to Fig. 9, by being detached from sealing state at least partly sealing element 7, heat exchanging core 2 is made to be stopped.
Wherein, the state for adjusting sealing element 7 can be the expansion or shrinkage of 7 own vol of sealing element, can also be sealing
The whole direction towards closer or far from air duct side wall of part 7 translates.Moreover, in the state of contacting sealing, sealing state is adjusted
Component can also adjust the contact pretightning force of sealing element 7 and air duct side wall, to adjust the sealing journey of sealing element 7 and air duct side wall
Degree.
The Fresh air handling units of the utility model embodiment at least have one of following advantage：
(1) opening and closing in air duct can be neatly realized by sealing state regulating member, control is simple and convenient.
(2) sealing element flexible can eliminate contact gap under the control of sealing state regulating member by self-deformation,
Increase contact pretightning force, to be more closely bonded with sealing surface, optimizes sealing effect.
(3) sealing element volume expansion or towards face air duct side wall move by way of realize sealing, sealing state tune
The tactile pretightning force towards air duct side wall can be applied in the case where contacting sealing state to sealing element by saving component, and pretightning force is controllable, can keep away
Exempt from gap occur between sealing element and air duct side wall, can realize preferably sealing effect.And in the scheme of the prior art, wind
The air door of valve realizes sealing turning to the when of being abutted with air duct side wall, and air door cannot move towards the direction of face air duct side wall,
Sealing effect relies primarily on the machining accuracy of air door to ensure, can not be adjusted in the product course of work.
(4) for such sealing structure compared with wind valve structure, structure is relatively reliable, avoidable to occur loosening or stuck ask
Topic, it is not vulnerable after long-term use, service life can be improved.
(5) sealing element flexible also accommodates the sealing element of the various situations such as plane and irregular face, and adaptability is stronger, can
Reduce the requirement to air duct side wall machining accuracy.Moreover, by the change of flexible seals state, different size can adapt to
Duct dimension.
For the embodiment of the 2 rotatable setting of heat exchanging core of regular polygon, heat exchanging core 2 can turn to
When one position, as shown in Figure 1, the vertex by regular polygon contacts to form sealing state to close air duct with each sealing element 7, make
Fresh air duct can only each realize by heat exchanging core 2 with return airway and itself be connected to that Fresh air handling units work in heat at this time
Switch mode.Heat exchanging core 2 when turning to the second position, as shown in Fig. 3 to Fig. 9, can make the side of regular polygon with it is each
7 face of sealing element generates gap to open air duct, and air-flow can be circulated by air duct, need not move through the larger heat exchanging core of resistance
2, heat exchanging core 2 is stopped, and Fresh air handling units are in heat exchange off mode at this time.
When opening air duct, the side of regular polygon can open air duct to the maximum extent with the state of air duct side wall face,
The circulation area for improving air-flow in air duct, optimizes the working efficiency of Fresh air handling units.Alternatively, just polygon when opening air duct
The side of shape is also tiltably opposite with air duct side wall, and air duct can be opened as long as generating gap.
Preferably, sealing element 7 is air bag.Air bag is convenient for realizing opening or closing for air duct by controlling aeration quantity, also can
Adjustment air bag is in pretightning force when state in sealing contact with air duct side wall, and closer contact can be realized with air duct side wall,
It is stronger to the different shape adaptability of air duct side wall.Alternatively, sealing element 7 can also use rubber or sponge etc. to be made.
Preferably, 7 cylindrical structure of sealing element, and the length of sealing element 7 is adapted with the width in air duct, in entire wind
Reliable sealing is realized in road width direction.
By the way that heat exchanging core 2 to be designed as to movable mode, preferably pivotally design, when heat exchanging core 2
When turning to first position shown in FIG. 1, each vertex of heat exchanging core 2 contacts sealing with sealing element 7, and Fresh air handling units work in
Heat exchange pattern；When heat exchanging core turns to the second position shown in Fig. 3, each side of heat exchanging core 2 and sealing element 7 are equal
It disengages, Fresh air handling units are in off working state.As it can be seen that such structure only needs to change the position of heat exchanging core 2, it is not necessarily to
Cooperation actively changes the state of sealing element 7, and Fresh air handling units can be made to switch between heat exchange pattern and off working state, controls
It is simpler reliable.
As shown in Figure 1, each sealing element 7 is uniformly distributed along the circumferential direction of heat exchanging core 2.Sealing element 7 can be located in shell 1
On wall or partition board 6.Circumferentially uniformly distributed sealing element 7 can make full use of the design feature of regular polygon heat exchanging core 2, without examining
The rotation direction for considering heat exchanging core 2, in the case where regular polygon number of edges is certain, only need to turn over specific angle can be in heat
Switch between switch mode and heat exchange off mode, can simplify control mode, improve Fresh air handling units operating mode control can
By property.
Preferably, the vertex in regular polygon with 7 face of each sealing element is cut to plane, so as to heat exchanging core 2 with
Sealing element 7 forms plane contact in the state of contacting.Such structure can form relatively reliable sealing state, moreover it is possible to prevent just
Flexible seals 7 are caused to damage on the vertex of polygon.
In the construction shown in fig. 1, there are four sealing element 7 is set, two of which sealing element 7 is respectively provided at both sides partition board 6
On madial wall, other two sealing element 7 is respectively provided on the end of intermediate bulkhead 6 and the madial wall of shell 1, it can be achieved that four close
Sealing is circumferentially distributed along heat exchanging core 2.
It is adjusted in order to the state to sealing element 7, so that Fresh air handling units are realized under heat exchange off mode not
Congenerous, the Fresh air handling units of the utility model further include the sealing state regulating member being located in shell 1, close for active accommodation
Sealing 7 and the contact of heat exchanging core 2 or disengaged position, to control closing, opening and the opening degree in air duct.
In one embodiment, sealing element 7 is air bag, and sealing state regulating member includes inflation/deflation mechanism, for adjusting
The aeration quantity of air bag makes air bag contact sealing with heat exchanging core 2 in the expanded state to realize the expansion or shrinkage of air bag,
Air duct is closed；And be detached from seal with heat exchanging core in a contracted state, air duct is opened.Due to the setting of inflation/deflation mechanism
Position is without particular/special requirement, therefore the embodiment is more flexible in structure design, can reduce to being especially side spaces around air duct
Requirement.
Further, Fresh air handling units further include control unit, are in needed for sealing state between air bag and heat exchanging core 2
Aeration quantity and air bag and heat exchanging core 2 between when keeping presetting gap required aeration quantity be stored in advance in control unit
In part.The embodiment can automatically adjust airbag aeration amount to change the state of air bag itself, to control the closing in air duct, open
And opening degree, to realize that the different function of Fresh air handling units, control are simple and convenient.Moreover, the aeration quantity by adjusting air bag,
It is adapted to the heat exchanging core 2 of different size.
In another embodiment, sealing state regulating member includes straight line driving mechanism, for drive sealing element 7 towards
Close to the direction of heat exchanging core 2, contact sealing is realized in translation, and air duct is closed；Or the side away from heat exchanging core 2
It is detached from sealing state to translation, air duct is opened.The embodiment realizes the opening and closing in air duct by adjusting the position of sealing element 7, easily
In control.Straight line driving mechanism can be electric pushrod, linear motor or cylinder etc..It is flat when sealing element 7 moves in order to improve
Elastic element can also be arranged between sealing element 7 and fixing base in stability, to increase the resistance of sealing element 7 during the motion
Buddhist nun.
Heat exchanging core 2 uses regular polygon, and in one embodiment, the number of edges of regular polygon is four integral multiple, example
Such as quadrangle, octagon.Heat exchanging core 2 can in the state of turning to first position, the vertex of regular polygon with it is close
7 face of sealing simultaneously contacts sealing.When needing to carry out pattern switching, so that each sealing element 7 is detached from heat exchanging core 2 and seal
State, so as to 2 smooth rotation of heat exchanging core.In the state of turning to the second position, make side and the sealing element 7 of regular polygon
Face and formed gap to be detached from sealing state.Wherein, the differential seat angle of first position and the second position can be by 180 ° divided by more
Side shape number of edges calculates, forward and reverse rotation.
The Fresh air handling units of the embodiment are when in heat exchange pattern or heat exchange off mode, to adjust sealing element 7
Whole is contact sealing state, and the adjustment amount of each sealing element 7 is consistent.Such as sealing element 7 is air bag, when heat exchanging core 2 is in
The second position, such as Fig. 4 to Fig. 9, when different air ducts is selectively closed, the aeration quantity of different location air bag is unified, can reduce
Control difficulty, and improve control reliability.
If heat exchanging core 2 uses hexagon, heat exchanging core 2 that can make six in the state of turning to first position
Two opposed apexes of side shape and two relative edges and 7 face of sealing element simultaneously contact sealing, and in the shape for turning to the second position
Under state, by making partial seal 7 far from heat exchanging core 2 to be detached from sealing state, the angle of first position and the second position
Difference is 30 °.
In a specific structure, set side by side with reference to figure 1, in shell 1 there are four air duct sections 8, the side (example of shell 1
Such as top) it is from left to right corresponding in turn to equipped with return air outlet, fresh air inlet, fresh air outlet and return air inlet with four air duct sections 8,
Heat exchanging core 2 is regular quadrangle, and left side, lower section, right side and the top of heat exchanging core 2 are respectively equipped with first seal a, the
Two sealing element b, third sealing element c and the 4th sealing element d, first seal a are located at the inside of left side partition board 6, second seal b
It is located on the inner wall of 1 bottom of shell, third sealing element c is located at the inside of right side partition 6, and the 4th sealing element d is located at intermediate bulkhead 6
End.
Fresh air handling units further include fresh-air fan 4 and exhaust fan 5, and shell 1 is equipped with fresh air outlet and return air outlet, fresh air
Wind turbine 4 is at least located at close to the position of fresh air outlet in fresh air duct, and exhaust fan 5 is at least located in return airway close to return air
The position of outlet.
Based on the specific embodiment, below by taking sealing element 7 is air bag as an example, illustrate the new wind turbine of the utility model with reference to figure 10
The operation principle of group, in each operating mode downstream direction such as 1 to Fig. 9 shown in arrow.
(1) as shown in Figure 1, in the state that heat exchanging core 2 is in first position, four vertex of regular quadrangle are distinguished
It is contacted with the sealing element 7 of corresponding position, fresh air duct, return airway and air duct between the two is made to be turned off, fresh air and returned
General mood stream flows through heat exchanging core 2 and carries out heat exchange when being flowed in fresh air duct and return airway respectively.4 He of fresh-air fan
Exhaust fan 5 is opened.Unit works in heat exchange pattern at this time, is suitable for the larger period use of indoor/outdoor temperature-difference.
Specifically, fresh air is flowed into from fresh air inlet, and return air is flowed into from return air inlet, fresh air and return air in opposite directions into
Enter heat exchanging core 2, after heat exchange, fresh air is exported from fresh air to flow out, and return air is exported from return air to flow out.Heat exchange pattern can
Initial operation mode after starting as Fresh air handling units.
(2) as shown in figure 3, in the state that heat exchanging core 2 is in the second position, first position is differed with the second position
45 °, the four edges of regular quadrangle form gap with the sealing element of corresponding position respectively, and each air duct opens and is interconnected,
Air-flow can free flow, heat exchanging core 2 is stopped.Fresh-air fan 4 and exhaust fan 5 are turned off.At this time at Fresh air handling units
In off working state.
When the needs of heat exchanging core 2 turn to the second position from first position, to reduce rotary resistance, make first each
Sealing element 7 is deflated, then controls power part driving driving gear 31 and the rotation of driven gear 32, to drive heat exchanging core 2
Rotation.
(3) as shown in figure 4, in the state that heat exchanging core 2 is in the second position, first seal a, second seal
B and third sealing element c is inflated to and contacts sealing with heat exchanging core 2, and aeration quantity V, the 4th sealing element d is in a deflated state,
Fresh air channel is set to open.Then open fresh-air fan 4, exhaust fan 5 is closed.Fresh air handling units work in fresh air bypass mould at this time
Formula is suitable for transition season, is used when indoor needs supply is except haze fresh air.
(4) as shown in figure 5, in the state that heat exchanging core 2 is in the second position, first seal a, third sealing element
C and the 4th sealing element d is inflated to and contacts sealing with heat exchanging core 2, and aeration quantity V, second seal b is in a deflated state,
Return airway is set to open.Then fresh-air fan 4 is closed, and exhaust fan 5 is opened.Fresh air handling units are in return air bypass mode at this time,
It is suitable for using when indoor exhaust wind.
(5) as shown in fig. 6, in the state that heat exchanging core 2 is in the second position, first seal a and third sealing
Part c is inflated to and contacts sealing with heat exchanging core 2, and aeration quantity V, second seal b and the 4th sealing element d are in deflation shape
State makes fresh air duct and return airway open.Then fresh-air fan 4 and exhaust fan 5 are opened.Fresh air handling units are at this time
The double bypass modes of fresh air, return air, are suitable for using when transition season indoor/outdoor temperature-difference is smaller.
(6) as shown in fig. 7, in the state that heat exchanging core 2 is in the second position, first seal a, second seal
B and the 4th sealing element d is inflated to and contacts sealing with heat exchanging core 2, and aeration quantity V, third sealing element c is in a deflated state,
It opens in air duct between return air inlet and fresh air outlet.Then fresh-air fan 4 is opened, and exhaust fan 5 is closed.Unit is at this time
Interior circulation pattern is purified for indoor air quality, is used when Outdoor Air Quality is severe.
(7) as shown in figure 8, in the state that heat exchanging core 2 is in the second position, first seal a, second seal
B is inflated to and contacts sealing with heat exchanging core 2, and aeration quantity V, third sealing element c and the 4th sealing element d all deflate, fresh air
It opens in air duct between air duct, return air inlet and fresh air outlet.Then fresh-air fan 4 is opened, and exhaust fan 5 is closed.At this time
Unit is in fresh air, air draft standard-sized sheet mixes wind pattern, and it is larger to be suitable for indoor/outdoor temperature-difference, as cold district uses.
(8) as shown in figure 9, the difference is that, third sealing element c and the 4th sealing element d partial bleeders fill with Fig. 8
Tolerance is set according to the ratio of mixed wind, by change in the two sealing elements aeration quantity adjust fresh air duct, return air inlet with
The size in air duct between fresh air outlet, Fresh air handling units are in fresh air, air draft proportion adjustment mixes wind pattern, can be according to indoor and outdoor
The size of the temperature difference is adjusted.
When need slave pattern (3)~(8) to readjust for heat exchange pattern when, first by fresh-air fan 4 and exhaust fan 5
It closes, then four sealing elements 7 is made to deflate, after exhaust, heat exchanging core 2 is made to rotate 45 ° of extremely first positions shown in FIG. 1,
Then four inflations of sealing elements 7, aeration quantity T, later on fresh-air fan 4 and exhaust fan 5 are given.Aeration quantity V and T are respectively
When heat exchanging core 2 is in first position and the second position, to realize and reliably seal required aeration quantity, it is predeterminable to control
In component.
The Fresh air handling units functional diversities of the utility model, it is more energy saving in use, especially transition season when, indoor and outdoor
The temperature difference is small, and directly bypass is more energy saving, and interior circulatory function, continuous circularly purifying room air is used to relax in outdoor air difference
Adaptive is more preferable.
Its control method will be described in detail based on above-described embodiment Fresh air handling units below, in one embodiment, the control
Method includes：
Control heat exchanging core 2 moves to first position, and fresh air duct and return airway is made respectively to pass through heat exchanger core
Body 2 realizes connection, so that Fresh air handling units work in heat exchange pattern；
Control heat exchanging core 2 moves to the second position, so that heat exchanging core 2 is stopped, so that Fresh air handling units are in
Heat exchange off mode.
In this embodiment, the switching that Fresh air handling units can pass through heat exchanging core movement position according to the use demand of user
Change fresh air and return air stream direction, to realize different functions, control is simple and reliable, is conducive to Fresh air handling units is made to have a variety of
Function.
Further, before control heat exchanging core 2 moves, control method further includes：Each sealing element 7 is set to be handed over heat
It changes core 2 and is detached from sealing state.The embodiment can reduce the resistance of motion of heat exchanging core 2, to realize Positive rotational.
Further, in the state of so that heat exchanging core 2 is stopped, i.e., Fresh air handling units are in heat exchange off mode
Under, control method further includes：
It adjusts the sealing of sealing element 7 and heat exchanging core 2 and is detached from sealing state, to control fresh air duct, return airway
And/or between fresh air duct and return airway air duct connected relation, to make Fresh air handling units be in heat exchange off mode
Different working modes.
Wherein, heat exchange off mode includes following at least one pattern：Off working state, fresh air bypass mode, return air
Bypass mode, the double bypass modes of fresh air, return air, interior circulation pattern, fresh air, air draft standard-sized sheet mix wind pattern and fresh air, air draft ratio
It adjusts and mixes wind pattern.
The embodiment can be in the state that heat exchanging core 2 be stopped, will by adjusting the state of each sealing element 7
Sealing element 7 selectively turns on, and to change the connected relation between each air duct, the state of sealing element 7 can be own vol
Expansion or shrinkage can also be that the whole direction towards closer or far from heat exchanging core 1 of sealing element 7 translates, to according to outer
The different function of Fresh air handling units is neatly realized in the demand of portion's environment and user, and Fresh air handling units is enable more fully to meet user
Demand.Moreover, sealing element 7 is selectively opened according to indoor/outdoor temperature-difference situation, flexibly to select air duct connected relation, to real
Existing different operating mode, can make Fresh air handling units more energy efficient during the work time, reduce equipment energy consumption.
For a kind of specific Fresh air handling units, as shown in Figure 1, air duct sections 8 there are four being set side by side in shell 1, the one of shell 1
Side is corresponding in turn to four air duct sections 8
Regular quadrangle, left side, lower section, right side and the top of heat exchanging core 2 are respectively equipped with first seal a, second seal b,
Three sealing element c and the 4th sealing element d.Fresh air handling units further include fresh-air fan 4 and exhaust fan 5, and fresh-air fan 4 is located at close to new
The position of wind outlet, exhaust fan 5 are located at the position close to return air outlet.
For such structure, as shown in Figure 10, the corresponding control under different working modes of the utility model Fresh air handling units
Method includes：
Heat exchange pattern：Heat exchanging core 2 turns to first position, four vertex of regular polygon respectively with corresponding position
Sealing element 7 contact sealing, fresh-air fan 4 and exhaust fan 5 are opened；
Off working state：Heat exchanging core 2 turns to the second position, and the second position differs 45 ° with first position, just polygon
The four edges of shape and 7 face of sealing element of corresponding position and formation gap, fresh-air fan 4 and exhaust fan 5 are turned off；
Fresh air bypass mode：Heat exchanging core 2 turns to the second position, so that the 4th sealing element d is detached from sealing state, newly
Wind wind turbine 4 is opened, and exhaust fan 5 is closed；
Return air bypass mode：Heat exchanging core 2 turns to the second position, so that second seal b is detached from sealing state, newly
Wind wind turbine 4 is closed, and exhaust fan 5 is opened；
The double bypass modes of fresh air, return air：Heat exchanging core 2 turns to the second position, only makes second seal b and the 4th close
Sealing d is detached from sealing state, and fresh-air fan 4 and exhaust fan 5 are opened；
Interior circulation pattern：Heat exchanging core 2 turns to the second position, and third sealing element c is only made to be detached from sealing state, fresh air
Wind turbine 4 is opened, and exhaust fan 5 is closed；
Fresh air, air draft standard-sized sheet mix wind pattern：Heat exchanging core 2 turns to the second position, only makes third sealing element c and the 4th
Sealing element d is detached from sealing state and residing air duct is fully open, and fresh-air fan 4 is opened, and exhaust fan 5 is closed；Or
Fresh air, air draft proportion adjustment mix wind pattern：Heat exchanging core 2 turns to the second position, only make third sealing element c and
4th sealing element d is detached from sealing state and residing air duct is opened in the ratio of mixed wind, and fresh-air fan 4 is opened, and exhaust fan 5 closes
It closes.
The working state control of fresh-air fan 4 and exhaust fan 5 can execute after sealing element 7 adjusts, its is suitable certainly
Sequence is also interchangeable.
A kind of Fresh air handling units provided by the utility model are described in detail above.It is used herein specifically
Embodiment is expounded the principles of the present invention and embodiment, and the explanation of above example is only intended to help to understand
The method and its core concept of the utility model.It should be pointed out that for those skilled in the art, not taking off
Under the premise of from the utility model principle, several improvements and modifications can be made to this utility model, these improvement and modification
It also falls into the protection domain of the utility model claims.
Claims (15)
1. a kind of Fresh air handling units, which is characterized in that including：
Shell (1), the shell (1) is interior to be equipped with fresh air duct and return airway；With
Heat exchanging core (2) is movably located in the shell (1), in the state of moving to first position, making institute
It states fresh air duct and respectively realizes that itself is connected to by the heat exchanging core (2) with return airway, so that the Fresh air handling units
Work in heat exchange pattern；And in the state of moving to the second position, the heat exchanging core (2) is made to be stopped, so that
The Fresh air handling units are in heat exchange off mode.
2. Fresh air handling units according to claim 1, which is characterized in that the heat exchanging core (2) is rotatably arranged.
3. Fresh air handling units according to claim 2, which is characterized in that the heat exchanging core (2) is with itself geometric center
It is rotatably arranged for axis.
4. Fresh air handling units according to claim 1, which is characterized in that further include driving mechanism (3), for driving the heat
Core (2) is exchanged to move.
5. Fresh air handling units according to claim 1, which is characterized in that be equipped with multiple partition boards (6) in the shell (1), use
In the space in the shell (1) is divided into four air duct sections (8) side by side, institute is collectively formed in two of which air duct sections (8)
Fresh air duct is stated, the return airway is collectively formed in other two air duct sections (8), and the heat exchanging core (2) is located at centre two
In a air duct sections (8).
6. Fresh air handling units according to claim 5, which is characterized in that on one of described shell (1) side side by side
Equipped with fresh air inlet, fresh air outlet, return air inlet and return air outlet.
7. Fresh air handling units according to claim 1, which is characterized in that the heat exchanging core (2) is in regular polygon.
8. Fresh air handling units according to claim 1, which is characterized in that further include multiple sealing elements flexible (7), the heat
Exchange core (2), by contacting sealing with each sealing element (7), can make institute in the state of moving to first position
Fresh air duct is stated respectively to be connected to by the heat exchanging core (2) realization with return airway；And moving to the second position
Under state, by being detached from sealing state at least partly described sealing element (7), the heat exchanging core (2) is made to be stopped.
9. Fresh air handling units according to claim 8, which is characterized in that each sealing element (7) is along the heat exchange
The circumferential direction of core (2) is uniformly distributed.
10. Fresh air handling units according to claim 8, which is characterized in that the heat exchanging core (2) is rotatably arranged,
The heat exchanging core (2) is in regular polygon, and the heat exchanging core (2) makes regular polygon when turning to first position
Vertex contacts sealing with the sealing element (7), and when turning to the second position, makes the side of regular polygon and the sealing element
(7) face generates gap.
11. Fresh air handling units according to claim 8, which is characterized in that the sealing element (7) is air bag.
12. Fresh air handling units according to claim 8, which is characterized in that further include the seal shape being located in the shell (1)
State regulating member, for the sealing state described in active accommodation between sealing element (7) and the heat exchanging core (2).
13. Fresh air handling units according to claim 12, which is characterized in that the sealing element (7) is air bag, the seal shape
State regulating member includes inflation/deflation mechanism, the aeration quantity for adjusting the air bag, to realize the expansion or shrinkage of the air bag.
14. Fresh air handling units according to claim 13, which is characterized in that further include control unit, the air bag with it is described
The aeration quantity needed for sealing state is between heat exchanging core (2) and between the air bag and the heat exchanging core (2)
Required aeration quantity is stored in advance in the control unit when keeping presetting gap.
15. Fresh air handling units according to claim 12, which is characterized in that the sealing state regulating member includes that straight line drives
Motivation structure, for driving the sealing element (7) to be translated toward or away from the direction of the heat exchanging core (2).
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| CN201820577551.8U CN208090891U (en) | 2018-04-20 | 2018-04-20 | A kind of Fresh air handling units |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534289A (en) * | 2018-04-20 | 2018-09-14 | 珠海格力电器股份有限公司 | Fresh air handling units and its control method |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534289A (en) * | 2018-04-20 | 2018-09-14 | 珠海格力电器股份有限公司 | Fresh air handling units and its control method |
| CN108534289B (en) * | 2018-04-20 | 2023-09-29 | 珠海格力电器股份有限公司 | Fresh air unit and control method thereof |
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