A radiation air supply composite structure

Abstract

The present invention relates to a radiation air supply composite structure, which includes a unit body, and a jet air supply terminal and a radiation terminal that are compositely arranged on the unit body. The jet air supply terminal is arranged on the upper part of the unit body and is connected to a all-air air supply system. The radiation terminal is arranged on the lower part of the unit body and is connected to a radiation system through a water supply pipe and a water return pipe. The unit body is installed on a building floor, and the installation height covers the range of human activities. This radiation air supply composite structure divides the building space into a non-air-conditioned area above the jet air supply terminal and an air-conditioned area below the jet air supply terminal through the jet air supply of the jet air supply terminal, achieving the effect of stratified air conditioning. Compared with the prior art, the present invention has the advantages of reducing the air conditioning energy consumption of high-rise buildings and saving costs, etc.

Description

Technical Field

[0001] The invention relates to a technology for improving indoor thermal and humid environment in a large space, and in particular to a radiation air supply composite structure. Background Art

[0002] In recent years, the number and scale of tall buildings, such as airport terminals and high-speed rail stations, have grown rapidly, leading to high energy consumption. Due to the large space, large number of people, long operating hours, and large glass curtain wall areas of these buildings, their air conditioning systems consume a lot of energy and are expensive to operate. Therefore, it is necessary to adopt reasonable air conditioning methods to reduce air conditioning energy consumption while improving indoor thermal and humidity environments.

[0003] Traditional air supply methods for tall and large spaces include side air supply (e.g., nozzles) and top air supply (e.g., swirl nozzles). Side air supply has a limited range and must comply with architectural and renovation requirements. This is especially true given the increasing size and span of large transportation buildings. Air supply spacing often reaches 80-90 meters, making it easy for opposing nozzles to fail to meet air supply requirements. Top air supply draws excess heat from the upper portion of the space into areas where people move, increasing air conditioning energy consumption.

[0004] Therefore, for tall and large space buildings, such as terminal buildings and high-speed railway stations, the more common practice is to install air supply unit columns, electromechanical compass boxes, etc. to solve the air supply problem. That is, information screens, fire hydrants, vertical air-conditioning boxes, etc. are integrated together in the form of equipment units, and jet air outlets are arranged on the upper part of the compass box to meet the air supply needs of large spaces. However, due to the integration of various electromechanical equipment, this type of design has defects such as being bulky and difficult to coordinate with interior decoration. If only traditional air-conditioning systems are used, that is, duct air supply to adjust the indoor environment, problems such as the air supply duct being too large may easily occur in tall spaces, and relying solely on the wind system for heat exchange is not conducive to energy saving.

[0005] In order to reduce the disadvantages of traditional air-conditioning systems, radiation systems are often used in tall and large-space buildings in extremely cold or cold areas. Generally, cooling and heating are provided through floor radiation, ceiling radiation, etc. However, this method requires a large installation area and high equipment investment. Summary of the Invention

[0006] The purpose of the present invention is to overcome the defects of the above-mentioned prior art and provide a radiation air supply composite structure that reduces the energy consumption of air conditioning in large space buildings.

[0007] The purpose of the present invention can be achieved by the following technical solutions:

[0008] A radiation air supply composite structure includes a unit body, and a jet air supply terminal and a radiation terminal that are compositely arranged on the unit body. The jet air supply terminal is arranged on the upper part of the unit body and is connected to a all-air air supply system. The radiation terminal is arranged on the lower part of the unit body and is connected to a radiation system through a water supply pipe and a water return pipe. The unit body is installed on a building floor, and the installation height covers the range of human activities.

[0009] The all-air air supply system undertakes the latent heat load and part of the sensible heat load in the building space through the jet air supply terminal. The radiation terminal undertakes the local sensible heat load in the building space through the radiation heat exchange method. This radiation air supply composite structure divides the building space into a non-air-conditioned area above the jet air supply terminal and an air-conditioned area below the jet air supply terminal through the jet air supply of the jet air supply terminal, achieving the effect of stratified air conditioning.

[0010] Furthermore, the unit body includes a connected air supply unit body and a radiation unit body. The air supply unit body is arranged above the radiation unit body, and cavities that communicate with each other are respectively opened inside the air supply unit body and the radiation unit body.

[0011] Further preferably, both the air supply unit body and the radiation unit body are cylinders, and the diameter of the air supply unit body is larger than that of the radiation unit body, and the height is smaller than that of the radiation unit body. The air supply unit body and the radiation unit body are transitionally connected through an inverted umbrella-shaped frustum of a cone with an arc-shaped generatrix.

[0012] Even further, the jet air supply terminal is arranged inside the air supply unit body, and the radiation terminal is arranged inside the radiation unit body.

[0013] Furthermore, the jet air supply terminal includes a terminal air outlet, a supply air branch pipe, a short pipe and a supply air main pipe. The supply air main pipe is arranged inside the cavity, one end of which is connected to the all-air air supply system, and the other end is connected to the supply air branch pipe. The supply air branch pipe, the short pipe and the terminal air outlet are connected in sequence to form a supply air branch. A plurality of supply air branches are arranged, radially arranged on the side of the supply air main pipe. A plurality of through holes that are matched with the positions of the supply air branches and communicate with the cavity are opened inside the air supply unit body. The supply air branch pipe, the short pipe and the terminal air outlet are arranged in the through holes to supply air in different directions.

[0014] Further preferably, the terminal air outlet has a long-distance air supply function and an electric adjustment function, and its form is a strip-shaped nozzle, a spherical nozzle or a linear temperature-controlled diffuser.

[0015] Even further, a regulating valve is arranged at the inlet of the supply air branch pipe to control the air supply volume of each terminal air outlet.

[0016] Furthermore, the radiation end includes a radiation panel, a heat insulation layer, and a heat exchange water pipe. The heat exchange water pipe is disposed within the radiation panel and is respectively connected to a water supply pipe and a water return pipe at both ends. The radiation panel is sleeved on the lower part of the radiation unit body, and the heat insulation layer is disposed between the radiation panel and the radiation unit body.

[0017] Further preferably, the radiation panel is formed by connecting multiple radiation sub - panels. The multiple radiation sub - panels are connected by the heat exchange water pipe in a way of first connecting in series and then in parallel.

[0018] Furthermore, the radiation - air supply composite structure further includes an automatic control module installed on the water supply pipe and the water return pipe. The automatic control module includes a temperature - humidity sensor, a controller, a control valve, and a monitoring panel, and is used to judge, control, and adjust the flow rates of the water supply pipe and the water return pipe according to the set temperature.

[0019] Compared with the prior art, the present invention has the following advantages:

[0020] 1) The present invention integrates the radiant cooling and heating system with the all - air system of high - speed air supply and convective heat transfer. The radiation system in the composite unit body locally processes the thermal environment in the surrounding area of the unit by means of radiation and convective heat transfer. The high - velocity jet air - supply end at the upper part of the composite unit body processes the indoor thermal and humidity environment within the range of the jet end by means of convective heat transfer. After the two are integrated, it can take into account the regulation of the thermal and humidity environment of large spaces and local areas, and play the use effect of stratified air - conditioning, achieving the purpose of energy conservation.

[0021] 2) The present invention integrates the end of the radiation system and the end of the all - air supply system on the same unit body. According to the heat transfer principle, the radiation system exchanges heat with the indoor space in the form of radiation and convection heat transfer. It can achieve the same comfort level as the all - air supply system with a lower heating design temperature and a higher cooling design temperature. On the composite unit body, the radiation end bears part of the indoor sensible heat load, reducing the indoor load borne by the all - air system, thereby achieving the purpose of reducing the energy consumption of large - space buildings and playing an energy - saving effect.

[0022] 2) After the present invention integrates the end of the radiation system onto the unit body, it can conduct targeted thermal environment control on local spaces in large spaces and improve thermal comfort. The jet air - supply end at the upper part of the composite unit body separates the upper and lower areas of the large space through high - velocity jet air - supply, playing the role of stratified air - conditioning and further consolidating the radiation heat - transfer effect.

[0023] 3) The present invention adopts the radiation - air supply composite form, avoiding the defects of traditional radiation systems such as floor radiation and ceiling radiation, which require embedding pipes into the building structure layer, resulting in a large construction scope, occupying building height, and being relatively difficult for secondary decoration.

[0024] 4) After the present invention integrates radiative heat transfer and convective heat transfer, the cooling and heating loads borne by the all-air system are reduced. Correspondingly, the size of the air supply duct is decreased, and the external dimension of the composite unit is smaller than that of electromechanical integration units such as the compass box, presenting certain aesthetics and being more convenient for coordination with the building and decoration;

[0025] 5) The composite unit of the present invention has a small and beautiful external shape. In a building with a large space, there are more optional layout positions, the coverage area of the high-velocity jet air supply nozzles is wider, it is more conducive to the nozzle range reaching the requirements, and it can better meet the requirements for controlling the indoor thermal and humidity environment in a large space. Brief Description of the Drawings

[0026] Figure 1 is a three-dimensional schematic diagram of the structure of the present invention;

[0027] Figure 2 is a front elevation sectional schematic diagram of the structure of the present invention;

[0028] Figure 3 is a plan sectional schematic diagram of the structure of the present invention.

[0029] Among them, 1 is the jet air supply terminal, 11 is the terminal air outlet, 12 is the air supply branch pipe, 13 is the short pipe, 14 is the air supply main pipe, 2 is the unit body, 21 is the air supply unit body, 22 is the radiation unit body, 23 is the cavity, 3 is the radiation terminal, 31 is the radiation plate, 32 is the insulation layer, 33 is the heat exchange water pipe, 4 is the automatic control module, 5 is the water supply pipe, and 6 is the return water pipe. Detailed Embodiment

[0030] The present invention will be described in detail below with reference to the drawings and specific embodiments. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the scope of protection of the present invention.

[0031] Embodiment

[0032] The present invention discloses a radiative air supply composite structure, which improves the aesthetics of building air supply, improves the control of the indoor environment in a large space by the air conditioning system, and reduces the air conditioning energy consumption of a building with a large space by integrating the radiation system terminal and the all-air air supply system terminal in a unit body.

[0033] As Figures 1 - 3 shown, the radiative air supply composite structure includes a unit body 2 and a jet air supply terminal 1 and a radiation terminal 3 which are compositely arranged on the unit body 2. The jet air supply terminal 1 is arranged on the upper part of the unit body 2 and is connected to the all-air air supply system. The radiation terminal 3 is arranged on the lower part of the unit body 2 and is connected to the water supply pipe 5 and the return water pipe 6. The unit body 2 is installed on the building floor, and the installation height covers the range of personnel activities;

[0034] The full air supply system bears the latent heat load and part of the sensible heat load in the building space through the jet air supply terminal 1; the radiation terminal 3 bears the local sensible heat load in the building space through radiation heat exchange; the radiation air supply composite structure divides the building space into a non-air-conditioned area above the jet air supply terminal 1 and an air-conditioned area below the jet air supply terminal 1, achieving the effect of layered air conditioning.

[0035] The unit 2 comprises an interconnected air supply unit 21 and a radiation unit 22. The air supply unit 21 is disposed above the radiation unit 22, and each has a mutually connected cavity 23 defined therein. The jet air supply terminal 1 is disposed within the air supply unit 21, and the radiation terminal 3 is disposed within the radiation unit.

[0036] like Figure 2 and Figure 3 As shown, the jet air supply terminal 1 includes a terminal air outlet 11, an air supply branch pipe 12, a short pipe 13, and an air supply main pipe 14. The air supply main pipe 14 is arranged in a cavity 23, one end of which is connected to the full air supply system and the other end is connected to the air supply branch pipe 12. The air supply branch pipe 12, the short pipe 13, and the terminal air outlet 11 are connected in sequence to form an air supply branch. There are multiple air supply branches, which are radially arranged on the side of the air supply main pipe 14. The air supply unit 21 has multiple through holes that match the positions of the air supply branches and are connected to the cavity 23. The air supply branch pipe 12, the short pipe 13, and the terminal air outlet 11 are arranged in these through holes to supply air in different directions. A regulating valve can also be set at the inlet of the air supply branch pipe 12 to control the air supply volume of each terminal air outlet 11.

[0037] like Figure 2 As shown, the radiation terminal 3 includes a radiation plate 31, an insulation layer 32 and a hot water exchange pipe 33. The hot water exchange pipe 33 is arranged in the radiation plate 31, and its two ends are respectively connected to the water supply pipe 5 and the return pipe 6. The radiation plate 31 is sleeved on the lower part of the radiation unit body 22, and the insulation layer 32 is arranged between the radiation plate 31 and the radiation unit body 22.

[0038] In this embodiment, the air supply unit 21 is a flat cylinder, and the radiation unit 22 is an elongated cylinder. The diameter of the air supply unit 21 is larger than that of the radiation unit, and the height is smaller than that of the radiation unit. The air supply unit 21 and the radiation unit 22 are smoothly connected by an inverted umbrella-shaped cone with a busbar as an arc.

[0039] The terminal air outlet 11 must meet the requirements of relevant current national codes such as GB-50243 "Code for Construction and Quality Acceptance of Ventilation and Air Conditioning Engineering". The quantity, form, size, and color of the air outlets need to comprehensively consider the design requirements and be coordinated with the architecture, decoration, etc. The specific form can be a strip nozzle, a spherical nozzle, or a linear temperature-controlled diffuser air outlet, etc. At the same time, the terminal air outlet 11 should have the functions of long-distance air supply and electric regulation, and can automatically adjust and change the air supply direction according to the different air supply temperatures in winter and summer working conditions.

[0040] The radiant terminal 3 is integrally formed by a radiant panel 31, a thermal insulation layer 32, a heat exchange water pipe 33, etc. The radiant panel 31 is formed by connecting multiple radiant sub-panels. The multiple radiant sub-panels are connected by the heat exchange water pipe 33 in a way of first series connection and then parallel connection. For example, every 5 radiant sub-panels are in a group for series connection, and after series connection, they are connected to the supply and return water branch pipes. The groups are then connected in parallel with each other, and considering the balance of the water system, finally, they are connected to the water supply pipe 5 and the return water pipe 6 introduced at the lower part of the unit body 2. The thermal insulation material used for the thermal insulation layer 32 must comply with national and local fire protection codes, have good radiant heat exchange performance, and can provide a third-party refrigeration and heating capacity test report and CE certification according to EN14240.

[0041] In addition, the radiant air supply composite structure further includes an automatic control module 4 installed on the water supply pipe 5 and the return water pipe 6. One set of automatic control module 4 is installed for each unit body 2. The automatic control module 4 includes a temperature and humidity sensor, a controller, a control valve, a monitoring panel, etc. Among them, the control valve can adopt a 24-volt two-wire solenoid valve or an electric valve. This automatic control module 4 judges to start and stop the water valve according to the set temperature, controls and adjusts the flow of the water supply pipe 5 and the return water pipe 6, and prevents condensation on the surface of the radiant panel.

[0042] As described above, it is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any staff familiar with the technical field of the present invention can easily think of various equivalent modifications or replacements within the technical scope disclosed by the present invention, and these modifications or replacements should all be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims

1. A radiation air supply composite structure, characterized in that: The invention comprises a unit body (2) and a jet air supply terminal (1) and a radiation terminal (3) which are compositely arranged on the unit body (2); the jet air supply terminal (1) is arranged at the upper part of the unit body (2) and is connected to the full air supply system; the radiation terminal (3) is arranged at the lower part of the unit body (2) and is connected to the radiation system through a water supply pipe (5) and a water return pipe (6); the unit body (2) is installed on a building floor, and the installation height covers the range of human activities; The full air supply system bears the latent heat load and part of the sensible heat load in the building space through the jet air supply terminal (1); the radiation terminal (3) bears the local sensible heat load in the building space through radiation heat exchange; the radiation air supply composite structure divides the building space into a non-air-conditioned area above the jet air supply terminal (1) and an air-conditioned area below the jet air supply terminal (1) through the jet air supply of the jet air supply terminal (1), thereby achieving a layered air conditioning effect; The unit body (2) comprises an air supply unit body (21) and a radiation unit body (22) connected to each other, the air supply unit body (21) is arranged above the radiation unit body (22), and the air supply unit body (21) and the radiation unit body (22) are respectively provided with cavities (23) that are connected to each other; The air supply unit (21) and the radiation unit (22) are both cylindrical, and the diameter of the air supply unit (21) is larger than that of the radiation unit (22), and the height is smaller than that of the radiation unit (22). The air supply unit (21) and the radiation unit (22) are transitionally connected by an inverted umbrella-shaped truncated cone whose busbar is an arc. The jet air supply terminal (1) is arranged in the air supply unit body (21), and the radiation terminal (3) is arranged in the radiation unit body; The jet air supply terminal (1) includes a terminal air outlet (11), an air supply branch pipe (12), a short pipe (13) and an air supply main pipe (14). The air supply main pipe (14) is arranged in a cavity (23), one end of which is connected to the full air supply system, and the other end is connected to the air supply branch pipe (12). The air supply branch pipe (12), the short pipe (13) and the terminal air outlet (11) are connected in sequence to form an air supply branch. A plurality of air supply branches are provided and radially arranged on the side of the air supply main pipe (14). A plurality of through holes are provided in the air supply unit (21) that match the position of the air supply branch and are connected to the cavity (23). The air supply branch pipe (12), the short pipe (13) and the terminal air outlet (11) are arranged in the through holes to supply air in different directions. The terminal air outlet (11) has a long-distance air supply function and an electric adjustment function, and its form is a strip-shaped nozzle, a spherical nozzle, a linear temperature-controlled diffusion air outlet or a drum-shaped air outlet; A regulating valve is provided at the inlet of the air supply branch pipe (12) for controlling the air supply volume of each terminal air outlet (11).

2. The radiation air supply composite structure according to claim 1, characterized in that: The radiation end (3) comprises a radiation plate (31), a thermal insulation layer (32) and a heat exchange pipe (33). The heat exchange pipe (33) is arranged in the radiation plate (31), and its two ends are respectively connected to the water supply pipe (5) and the return pipe (6). The radiation plate (31) is sleeved on the lower part of the radiation unit body (22), and the thermal insulation layer (32) is arranged between the radiation plate (31) and the radiation unit body (22).

3. The radiation air supply composite structure according to claim 2, characterized in that: The radiation plate (31) is formed by connecting a plurality of radiation sub-plates, and the plurality of radiation sub-plates are connected in series first and then in parallel via a heat exchange water pipe (33).

4. A radiation air supply composite structure according to claim 1 or 2, characterized in that: The radiation air supply composite structure further comprises an automatic control module (4) installed on the water supply pipe (5) and the return pipe (6), wherein the automatic control module (4) comprises a temperature and humidity sensor, a controller, a control valve and a monitoring panel, and is used to control and adjust the flow of the water supply pipe (5) and the return pipe (6) according to a set temperature.

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