CN110631242B - Low-Re-number uniform air supply device - Google Patents
Low-Re-number uniform air supply device Download PDFInfo
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- CN110631242B CN110631242B CN201910773309.7A CN201910773309A CN110631242B CN 110631242 B CN110631242 B CN 110631242B CN 201910773309 A CN201910773309 A CN 201910773309A CN 110631242 B CN110631242 B CN 110631242B
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- air supply
- air
- truncated cone
- circular truncated
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
Abstract
The invention provides a low-Re-number uniform air supply device which comprises a blade fixing structure and s blades, wherein all the blades are connected to the periphery of the blade fixing structure around the blade fixing structure to form a circular air port device by taking the axis of the blade fixing structure as a circular point, a gap is formed between every two adjacent blades, and the gap forms an air outlet. The invention provides a low-Re-number uniform air supply device for a square building space, aiming at the current air supply situation of a square room, and the air supply of an air conditioner can be uniformly distributed in the whole square room only by arranging one air supply device in the center of the room.
Description
Technical Field
The invention belongs to the technical field of ventilation, relates to ventilation improvement in a ventilation air-conditioning room, and particularly relates to a low-Re-number uniform air supply device.
Background
With the rapid development of national economy and the progress of productivity, the time for people to work and learn indoors is gradually increased, and more attention is paid to the thermal comfort and the air quality of the indoor environment. The good indoor air quality is helpful for the health of people and the improvement of the working efficiency. Generally, air supply openings are reasonably arranged in a ventilated room of an air conditioner, and air jet flow of the air supply openings is utilized to realize mixing of air supply and indoor air so as to achieve the purposes of ventilating and adjusting the temperature and humidity of the indoor air. The air supply outlet plays an important role in a ventilation and air conditioning system as an end device of the air conditioning system and an initial device of indoor airflow movement. Therefore, how to research the air supply outlet is of great significance to improving the indoor air quality and the life quality of people.
The square room means that the plane structure of the room is square, in actual life, the plane structure of some small-area and small-dwelling type rooms is square, and especially some small apartments have regular square open type rooms. There is a word of square in ancient times, and many existing buildings are biased to square design when the building conditions permit. However, these rooms are poor in thermal comfort and often suffer from local overheating or local supercooling, and therefore, there is a need for improvement in the structure of the supply opening. Generally, indoor air movement is affected by the jet flow of the air supply opening, and the form, size and connection mode of the air supply opening can affect the jet flow direction, mixing degree, jet flow section shape and the like of the jet flow. The common air diffuser has a set of ordinary air outlet, and the air-out wind direction is single, can't compromise the ventilation problem in whole room, and ventilation effect is poor.
Disclosure of Invention
Aiming at the defects and shortcomings in the prior art, the invention aims to provide a low-Re-number uniform air supply device, which solves the technical problem of poor ventilation effect of the existing building space.
In order to achieve the purpose, the invention has the following realization process:
the utility model provides a low Re number air supply arrangement that evenly, the device include blade fixed knot structure and s blades, and all blades use the axle center of blade fixed knot structure as the dot, connect around blade fixed knot structure and form circular shape air supply arrangement all around, have the space between the adjacent blade, and this space forms the air outlet, and the angle size y of every air outlet satisfies:
wherein, y0Is constant and takes 0.70479 +/-0.35555;
w is a constant and takes the value of 1.07761 +/-0.70802;
xcis constant and takes the value of-0.74375 +/-1.06275;
a is a constant and takes the value of 0.3823 +/-0.32084;
and establishing a two-dimensional coordinate system by taking the axis of the blade fixing structure as a round point, wherein the horizontal positive direction of the two-dimensional coordinate system is defined as 0 degree, n is the nth air outlet, and n is less than or equal to s.
Preferably, s is 20-40.
Preferably, the blade fixing structure is a circular truncated cone; the blades are in a space polyhedron closed structure, the longitudinal section of the space polyhedron is a trapezoid, one edge of the trapezoid is arranged along the side face of the circular truncated cone, the length of the upper bottom edge adjacent to the one edge of the trapezoid is not less than the radius of the air outlet, and the length of the lower bottom edge adjacent to the one edge of the trapezoid is 2 times of the length of the upper bottom plate.
More preferably, the included angle between the generatrix of the circular truncated cone and the bottom surface of the circular truncated cone is 45 degrees.
Preferably, the blade fixing structure is a circular truncated cone, the blade is a spatial polyhedron closed structure, the spatial polyhedron has one side and five faces, the side is in contact with the side face of the circular truncated cone and is arranged along one generatrix of the circular truncated cone, the upper bottom face and the lower bottom face adjacent to the side are both triangular structures, the vertexes of the two triangular faces are respectively located at the upper bottom face and the lower bottom face of the circular truncated cone, and the remaining three faces are quadrilateral structures.
Preferably, the blade fixing structure is a circular truncated cone, the blade is a spatial polyhedron closed structure, the spatial polyhedron has six faces, one face is a triangular structure, the triangular structure is positioned on the side face of the circular truncated cone and symmetrically arranged along one generatrix of the circular truncated cone, the upper bottom face adjacent to the triangle is also a triangular structure, the vertexes of two triangular faces are positioned at the same position of the upper bottom face of the circular truncated cone, and the rest four faces are of quadrilateral structures.
The invention also provides an air supply system with the low-Re-number uniform air supply device, which comprises an air supply unit, wherein the air supply unit conveys air to an air supply area through a main pipeline and a branch pipeline and then conveys the air into a room through the circular air port device.
Preferably, the air supply unit comprises a horizontal main pipeline and a branch pipeline communicated with the horizontal main pipeline, air is supplied to an air supply area by the air supply unit through the main pipeline and the branch pipeline, the air supply direction is changed through a bent pipe, an air outlet of the bent pipe is positioned in the center of the top of a room and is perpendicular to the horizontal plane, and an air outlet of the bent pipe is connected with the low-Re-number uniform air supply device.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a low-Re-number uniform air supply device aiming at the current indoor air supply situation, in particular to a regular house type such as a square room.
Meanwhile, compared with the traditional circular diffuser, the uniform air supply device provided by the invention has low Re number, namely low Reynolds number, because the air supply device is simulated under the condition of low Re number when in structural design, the air flow runs stably, the air speed is limited when the air port is applied in a building, the maximum size of the air port is less than 600mm, the air port flow speed is limited to be less than 5m/s by noise, and therefore, the Re number is less than 2 multiplied by 105The wind speed is low, the Re is low, the air supply accessibility effect is better while the air supply uniformity of the room is ensured, and the thermal comfort of the human body at different positions of the room is met.
The blade fixing structure is a 45-degree smooth circular truncated cone structure, and airflow firstly passes through the arc transition section of the circular truncated cone and then flows out from the specially designed wedge-shaped air outlet at a proper air speed when flowing out, so that the forehead thermal comfort of a human body is comprehensively optimal.
Drawings
FIG. 1 is a three-dimensional view of an air supply device according to the present invention.
Fig. 2 is an expanded view of the blowing device of the present invention.
FIG. 3 is a partially enlarged view of the tuyere of the blowing device of the present invention.
Fig. 4 is a schematic view of the arrangement of the air supply device in the 2D room.
Fig. 5 is a diagram illustrating the blowing effect of a conventional circular diffuser at different positions.
Fig. 6 is a diagram of the blowing effect of the blowing device of the present invention at different positions.
FIG. 7 is a graph showing the variation of the angle coefficient of the blower at different positions (the value of x on the horizontal axis is
Value, vertical axis is outlet angle coefficient).
FIG. 8 is a graph showing the variation of blowing speed of the blowing device of the present invention at different positions (the horizontal axis x is the value of
Value, vertical axis is wind speed value).
In the figure: 1 is the blade, 2 is the wind channel, and 3 is blade fixed knot structure.
Detailed Description
The two main characteristics of the office building at the present stage are that the flow state is in a non-resistance square area, namely a low Re number state, because the uniformity of the tuyere per se is obvious, the maximum size of the tuyere is less than 600mm, the flow rate of the tuyere is limited to be less than 5m/s by noise, and therefore, the Re number of the tuyere is less than 2 multiplied by 105. This range Re number is below the local member resistance square area limit (about 6X 10)5) Far below the square area limit of the resistance of the straight pipe section (about 50 multiplied by 10)5). Therefore, the blowing characteristics based on the resistance square region are not suitable for the blowing characteristics in the present low Re number state. In addition, the office building is also characterized in that the square shape is adopted for office convenience, the speed profile of the model is different from that of a prototype sent by a diffuser, how to reasonably supply air is realized, one air opening is used for providing a plurality of air openings, and the uniform effect is achieved, so that the main problem to be solved at the present stage is solved.
The room, especially a square room, described in the present invention refers to a building plane shape of the room, that is, the plane structure diagram of the room is square, and theoretically, the length and the width of the room in the plane structure diagram should be equal, but in practice, the length and the width of the room in the plane structure diagram are unlikely to be completely equal, and the room with a small difference (the length and the width of the room are different by no more than 05m, and the room is almost square) can be regarded as a square room.
The air supply device in the square room is characterized in that only one air port device is arranged in the square room, one air port device replaces a plurality of air port devices in the prior art, the air port device comprises a plurality of blades, the blades are fixed on the blade fixing devices and are arranged around the circle center of the blade fixing devices, the projection lengths of all the blades are equal, a circle is formed by the blades together, and therefore the air supply device is called as a circular air supply device, and the appearance of the air supply device is circular.
The blade fixing structure of the invention is a circular truncated cone, the specific definition of the circular truncated cone structure is 360 encyclopedia, the circular truncated cone is a part positioned between a section and a conical bottom surface, the circular truncated cone is the same as a cylinder and a cone and also comprises a shaft, a bottom surface, a side surface and a bus, a straight line where the waist of a right trapezoid perpendicular to a bottom edge is positioned is taken as a rotating shaft, the other sides rotate to form a geometric body enclosed by curved surfaces, the geometric body is called a circular truncated cone, the rotating shaft is called the shaft of the circular truncated cone, the circular surface formed by the rotation of the upper and lower bottoms of the right trapezoid is called the upper and lower bottom surfaces of the circular truncated cone, the curved surface formed by the rotation of the other waist is called the side surface of the circular truncated cone, the waist of the right trapezoid at each position on. In the circular truncated cone, the included angle between the generatrix and the ground is preferably 45 degrees.
The blade is in a spatial polyhedral structure, the specific definition of the polyhedral structure is 360 encyclopedias, and a spatial geometric body defined by a plurality of polygons is called a polyhedron. The irregular quadrangle refers to a closed irregular plane figure or a closed irregular solid figure which is formed by sequentially connecting four line segments which are not on the same straight line end to end. The longitudinal section, namely the vertical section, of the air outlet air conditioner is a trapezoid, wherein one edge of the trapezoid is matched with the side surface of the circular truncated cone, the upper bottom edge and the lower bottom edge are adjacent to the edge, the length of the upper bottom edge is the radius of a bent pipe of the air outlet, and the length of the lower bottom edge is 2 times of the length of the upper bottom plate. As shown in fig. 1.
Meanwhile, the air supply device of the invention is arranged at the tail end of an air supply pipeline, for example, a horizontal branch pipe is used for communicating an original air supply system, one end of a bent pipe is communicated with the branch pipe, the bent pipe is used for changing the air supply direction, the other end of the bent pipe is bent to the center of the upper part in the room, and the other end of the bent pipe is communicated with the air supply device of the invention.
The tail end of the air supply system is connected with the air supply device, the shape and the interval connection mode of the blade fixing structures determine that the air supply system can form the wedge-shaped air outlet, a circular air inlet on the novel circular air inlet device is connected with a ventilation air-conditioning pipeline/static pressure box, the wedge-shaped air outlets are uniformly arranged along the radian direction of a circle, adjacent air outlets are separated by the sealed blade fixing structures, and air flow flows in from the circular air inlet and flows out from the wedge-shaped air outlet through an arc transition section connected with the circular air inlet.
In addition, the size of the air outlet, which is a value of a gap formed by the blade fixing structures arranged at intervals, can be generally understood as the opening degree of the blades in the field, and the opening degree value of the blades represents the size of the air outlet.
Representing the position angle of the tuyere, multiplying the position angle of the tuyere by the angle
I.e. the radian of the air outlet
Air port position radian in formula of the invention
Between
Only for explaining the setting rule of the tuyere in the first quadrant,
and
for the symmetric similarity relationship, the distribution rules of the angle coefficient curves are similar, and are not described herein.
When the quantity of the blades is fixed, the position angle of the air outlet is also a fixed value and represents the position for arranging the air outlet, the position angle for arranging the air outlet is average and equal in 360 degrees, and the thickness values of the blades are different because the opening degrees of the blades, namely the sizes of the air outlets, required to be obtained in each position angle of the air outlet are different. In an air port position angle, the size of the air outlet or the opening degree of the blades is arranged in the middle of the air port position angle, and the part except the air outlet or the opening degree of the blades is the sealing blades. The tuyere position angle is related to the number of blades, for example, in the following embodiment, 36 blades are provided, and the tuyere position angle is
At 10 °, particularly when manufacturing the circular tuyere device of the present invention, the blades and the opening values of the blades can be set according to the following simple method: for example, a two-dimensional coordinate system is established by taking the axis of the blade fixing structure as a circular point, the horizontal positive direction of the two-dimensional coordinate system is defined as 0 degree, and an air duct close to the horizontal positive direction of the two-dimensional coordinate system is a first air duct and then a second air duct. Because the first air channel and the second air channel obtained through calculation are respectively 9 degrees and 6 degrees, and the air port position angles of the first air channel and the second air channel are both 10 degrees, during machining, the thickness of the first blade close to the horizontal positive direction of the two-dimensional coordinate system is 2.5 degrees, and the like, and the thickness of the second blade and the thickness of the third blade are respectively 4 degrees and 5 degrees. Reference may be made to the example of fig. 3.
Specific examples of the present invention are given below.
Example 1:
as shown in fig. 1, the present embodiment provides an air supply device, the circular air outlet device includes a blade fixing structure and 36 blades, all the blades use the axis of the blade fixing structure as a circular point, the blade fixing structure is connected around the blade fixing structure to form a circular air supply device, a gap is provided between adjacent blades, the gap forms an air duct, namely, an air outlet, and the angle y of the air duct satisfies:
wherein, y0Is constant and takes 0.70479 +/-0.35555;
w is a constant and takes the value of 1.07761 +/-0.70802;
xcis constant and takes the value of-0.74375 +/-1.06275;
a is a constant and takes the value of 0.3823 +/-0.32084;
and establishing a two-dimensional coordinate system by taking the axis of the blade fixing structure as a round point, wherein the horizontal positive direction of the two-dimensional coordinate system is defined as 0 degrees, an air duct close to the horizontal positive direction of the two-dimensional coordinate system is a first air duct, n is an nth air duct, and n is less than or equal to s.
Wherein the air outlet angle coefficient y' is
The arc value of the air outlet position is
As shown in FIG. 7, for example, when the tuyere angle is 9 degrees, the value of the angle coefficient is 0.9.
In the above example, s has a value of 36, so 36 air ducts are formed. The angle of each wind channel can be obtained in turn by calculation. Through calculation, the air ducts are symmetrically arranged along the directions of 0 degree, 90 degree, 180 degree and 270 degree of the arc, and in the first quadrant starting from the direction of 0 degree, the corresponding angles of the wedge-shaped air ports are respectively 9 degrees, 6 degrees, 4 degrees, 2 degrees, 4 degrees, 6 degrees and 9 degrees, as shown in fig. 3.
Example 2:
as shown in fig. 1, the present embodiment provides an air supply device, which includes a blade fixing structure and 36 blades, where the blade fixing structure is a circular truncated cone; the blades are of a spatial polyhedron closed structure, the longitudinal section of the spatial polyhedron is a trapezoid, one edge of the trapezoid is arranged along the side face of the circular truncated cone, the length of an upper bottom edge adjacent to the one edge of the trapezoid is not smaller than the radius of the air outlet, the length of a lower bottom edge adjacent to the one edge of the trapezoid is 2 times of the length of the upper bottom plate, and the included angle between a bus of the circular truncated cone and the bottom face of the circular truncated cone is preferably 45 degrees.
In the above example, the diameter of the interface between the air supply device and the air pipe is D, that is, the length of the upper bottom edge is D; the length of the air pipe is H1, the length of the air port is 2D, namely the length of the lower bottom edge is 2D; the downward inclination angle alpha of the tuyere is 45 degrees, namely the included angle between the generatrix of the circular truncated cone and the bottom surface of the circular truncated cone is preferably 45 degrees, as shown in figure 2.
In addition to embodiment 2, the spatial polyhedron may preferably have one side and five faces, the side is in contact with the side surface of the circular truncated cone and is disposed along one generatrix of the circular truncated cone, the upper bottom surface and the lower bottom surface adjacent to the side are both triangular structures, the vertexes of two triangular faces are respectively located at the upper bottom surface and the lower bottom surface of the circular truncated cone, and the remaining three faces are quadrilateral structures, thereby forming the wedge-shaped air outlet.
On the basis of the embodiment 2, the spatial polyhedron may preferably further have six faces, one of the six faces is a triangular structure, the triangular structure is located on the side surface of the circular truncated cone and symmetrically arranged along one of the generatrices of the circular truncated cone, the upper bottom surface adjacent to the triangle is also a triangular structure, the vertexes of two triangular faces are located at the same position of the upper bottom surface of the circular truncated cone, and the other four faces are all quadrilateral structures, so as to form the wedge-shaped air outlet.
Example 3:
in this embodiment, an air supply system with an air supply device is provided, and as shown in fig. 4, the air supply system includes an air supply unit, and the air supply unit delivers air into an air supply area through a main duct and a branch duct, and then delivers the air into a square room through the circular air opening device described in embodiment 1 or 2.
Further, the air supply unit comprises a horizontal main pipeline and a branch pipeline communicated with the horizontal main pipeline, air is supplied to an air supply area by the air supply unit through the main pipeline and the branch pipeline, the air supply direction is changed through a bent pipe, an air outlet of the bent pipe is positioned in the center of the top of a room in the direction and is perpendicular to the horizontal plane, and the air outlet of the bent pipe is connected with the circular air port device in claim 1.
The diameter of the interface between the air supply device and the elbow is D, and the length of the elbow is H1. The number of the wedge-shaped air ports is 36, the length of the air port is 2D, and the downward inclination angle alpha of the air port is 45 degrees. The air ports are symmetrically arranged along the directions of 0 degree, 90 degree, 180 degree and 270 degree of the circular arc, and in a first quadrant taking the direction of 0 degree as the start, the radian of the corresponding wedge-shaped air port is respectively 9 degrees, 6 degrees, 4 degrees, 2 degrees, 4 degrees, 6 degrees and 9 degrees. The non-tuyere region connected to the wedge tuyere is sealed by a blade fixing structure having a certain thickness.
In view of the above structural design, the effect verification of the air supply device of the present invention is performed:
in order to illustrate the air supply effect of the novel circular diffuser in a square building, the air flow organization of the device of the invention and the air flow organization of the traditional circular diffuser in the square building space are compared, wherein the traditional circular diffuser refers to a 10K121 air port selected and installed circular diffuser FC-YS in a national building standard design drawing set. The circular air port device provided by the invention is subjected to air supply effect simulation in the directional room model, and a CFD numerical simulation test is carried out.
As can be seen from fig. 5-8, the airflow structure of the novel circular diffuser can completely cover the whole square room, the flow field is uniform, the coverage of the delivered wind is strong, and the wind speed meets the requirements at the same time. Fresh air can be distributed in the whole square room after being conveyed to the position surrounding the air port, including four corner positions, so that the air supply device has better thermal comfort experience, and the air supply device has a good air supply effect in a square building.
Claims (8)
1. The utility model provides a low Re number air supply arrangement that evenly, its characterized in that, this air supply arrangement include blade fixed knot construct and s blade, and all blades use the axle center of blade fixed knot structure as the dot, connect around blade fixed knot structure and form circular shape air supply arrangement all around, have the space between the adjacent blade, and this space forms the air outlet, and the angle value y of every air outlet satisfies:
wherein, y0Is constant and takes 0.70479 +/-0.35555;
w is a constant and takes the value of 1.07761 +/-0.70802;
xcis constant and takes the value of-0.74375 +/-1.06275;
a is a constant and takes the value of 0.3823 +/-0.32084;
and establishing a two-dimensional coordinate system by taking the axis of the blade fixing structure as a round point, wherein the horizontal positive direction of the two-dimensional coordinate system is defined as 0 degree, n is the nth air outlet, and n is less than or equal to s.
2. The low-Re number uniform air supply device according to claim 1, wherein the value of s is 20 to 40.
3. The low-Re number uniform air supply device according to claim 1, wherein the blade fixing structure is a circular truncated cone; the blades are in a space polyhedron closed structure, the longitudinal section of the space polyhedron is a trapezoid, one edge of the trapezoid is arranged along the side face of the circular truncated cone, the length of the upper bottom edge adjacent to the one edge of the trapezoid is not less than the radius of the air outlet, and the length of the lower bottom edge adjacent to the one edge of the trapezoid is 2 times of the length of the upper bottom plate.
4. The low-Re number uniform air supply device as claimed in claim 3, wherein an included angle between a generatrix of the circular truncated cone and the bottom surface of the circular truncated cone is 45 °.
5. The low Re number uniform blowing apparatus of claim 1 or 3, wherein said blade holding structure is a circular truncated cone, said blade is a spatial polyhedron closed structure, said spatial polyhedron has one side and five faces, said side is in contact with the side of said circular truncated cone and is disposed along one of the generatrices of said circular truncated cone, the upper and lower bottom faces adjoining said side are triangular structures, the apexes of two triangular faces are located at the upper and lower bottom faces of said circular truncated cone, respectively, and the remaining three faces are quadrilateral structures.
6. The low-Re number uniform air supply device according to claim 1 or 3, wherein the blade fixing structure is a circular truncated cone, the blade is a spatial polyhedron closed structure, the spatial polyhedron has six faces, one face is a triangular structure, the triangular structure is positioned on the side face of the circular truncated cone and symmetrically arranged along one generatrix of the circular truncated cone, the upper bottom face adjacent to the triangle is also a triangular structure, the vertexes of two triangular faces are positioned at the same position on the bottom face of the circular truncated cone, and the other four faces are all quadrilateral structures.
7. An air supply system with a low-Re-number uniform air supply device, which comprises an air supply unit, and is characterized in that the air supply unit conveys air to an air supply area through a main pipeline and a branch pipeline and then conveys the air into a room through the low-Re-number uniform air supply device of claim 1.
8. The air supply system of claim 7, wherein the blower unit comprises a horizontal main duct and a branch duct communicating with the horizontal main duct, the blower unit sends air to the air supply area through the main duct and the branch duct, and changes the air supply direction through a bent pipe, the air outlet of the bent pipe is positioned at the center of the top of the directional chamber and is perpendicular to the horizontal plane, and the air outlet of the bent pipe is connected with the low-Re number uniform air supply device of claim 1.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2067262C1 (en) * | 1992-06-09 | 1996-09-27 | Алексей Григорьевич Кирчанов | Air distributor |
| CN101581492A (en) * | 2008-05-16 | 2009-11-18 | 北京恩湾科技有限公司 | Air diffuser |
| EP2672034A3 (en) * | 2012-06-04 | 2014-07-23 | HILTI Aktiengesellschaft | Support leg for the introduction and distribution of forces acting on a pressure-sensitive base and stand system with such a support leg |
| CN206131363U (en) * | 2016-09-21 | 2017-04-26 | 沈阳市华域建筑设计有限公司 | Wind gap that helps interior space air flow distribution |
| CN109140732A (en) * | 2018-07-13 | 2019-01-04 | 西安建筑科技大学 | A kind of energy-saving stream targeting air outlet |
| CN110425717A (en) * | 2019-08-21 | 2019-11-08 | 辽宁工程技术大学 | A kind of canopy class building collides " one for more " tuyere device of pipe inspection for BIM |
| CN110425718A (en) * | 2019-08-21 | 2019-11-08 | 辽宁工程技术大学 | A kind of cinema building top space optimization " one for more " tuyere device |
-
2019
- 2019-08-21 CN CN201910773309.7A patent/CN110631242B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2067262C1 (en) * | 1992-06-09 | 1996-09-27 | Алексей Григорьевич Кирчанов | Air distributor |
| CN101581492A (en) * | 2008-05-16 | 2009-11-18 | 北京恩湾科技有限公司 | Air diffuser |
| EP2672034A3 (en) * | 2012-06-04 | 2014-07-23 | HILTI Aktiengesellschaft | Support leg for the introduction and distribution of forces acting on a pressure-sensitive base and stand system with such a support leg |
| CN206131363U (en) * | 2016-09-21 | 2017-04-26 | 沈阳市华域建筑设计有限公司 | Wind gap that helps interior space air flow distribution |
| CN109140732A (en) * | 2018-07-13 | 2019-01-04 | 西安建筑科技大学 | A kind of energy-saving stream targeting air outlet |
| CN110425717A (en) * | 2019-08-21 | 2019-11-08 | 辽宁工程技术大学 | A kind of canopy class building collides " one for more " tuyere device of pipe inspection for BIM |
| CN110425718A (en) * | 2019-08-21 | 2019-11-08 | 辽宁工程技术大学 | A kind of cinema building top space optimization " one for more " tuyere device |
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| CN110631242A (en) | 2019-12-31 |
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