Parallel air duct lighting and ventilating device

Abstract

A lighting and ventilating device with parallel air ducts comprises a plurality of parallel air duct frameworks and an upper rainproof plate, each parallel air duct framework comprises a plurality of framework units which are arranged at equal intervals and connected with one another through upper connecting rods and lower connecting rods, and each framework unit is composed of an X-shaped framework and two stand columns; an upper rainproof plate is fixed on the X-shaped framework among the plurality of parallel air duct frameworks, a lower rainproof plate is supported and fixed on the lower connecting rod, rainproof vertical plates are fixed on the outer sides of the two upright posts, and the lower ends of the rainproof vertical plates and the corresponding lower rainproof plates form a rainwater buffer area; a plurality of ventilation ducts are formed between the adjacent rainwater buffering areas, a plurality of exhaust outlets are formed between the adjacent upper rainproof plates, and two rain blocking plates are symmetrically fixed to the positions, located in the exhaust outlets, between the multiple parallel air duct frameworks. The device structure is good in ventilation effect, the effective ventilation area coefficient can reach 45%, the self-cleaning function of the rainproof plate made of the daylighting panel can be achieved through rainwater and wind power, and the situation that the daylighting function is lost and loads are increased due to a large amount of accumulated dust can be prevented.

Description

Technical Field

[0001] This utility model pertains to roof ventilation devices, and specifically relates to a parallel air duct lighting and ventilation device. Background Technology

[0002] Currently, enclosed coal yards have solved many problems, such as environmental pollution, associated with open-air coal yards. However, enclosed coal yards still pose risks of flammable dust and volatile matter explosions, making ventilation extremely important. In recent years, many enclosed coal storage yards have adopted parallel duct thin-type skylights or thin-type ventilators based on the national standard drawing "Ventilation Skylights" (18J621-3). These skylights are classified into various structural forms according to their ventilation structure, including symmetrical parallel duct ventilation units, inclined parallel duct ventilation units, and unidirectional spaced parallel duct ventilation units.

[0003] Parallel duct thin skylights utilize small ventilation units arranged side-by-side to form a low-profile, lightweight, and low-wind-load ventilation structure. Compared to large ventilators, they offer advantages such as easier integration with buildings and reduced costs. Although their ventilation performance per unit area is not as high as large ventilators, they can be modularly expanded to increase the ventilation area, achieving ventilation and lighting functions that large ventilators cannot expand to. This provides a more advantageous energy-saving, lighting, and ventilation device for building design applications. However, some parallel duct thin ventilator developments have neglected structural rain and snow protection and drainage, and overlooked the technical requirements for ensuring product ventilation and lighting functions, resulting in products that frequently experience functional problems and have poor application performance.

[0004] These poorly designed parallel air duct thin skylights present several technical problems when used in environments with high levels of dust:

[0005] 1. Lighting Function Issues. With the development and popularization of skylight technology, roof ventilators have become an energy-saving application function as important as natural ventilation by using skylights to increase the natural lighting function of buildings. However, due to the large amount of dust accumulation in the skylights and rainproof panels of parallel air ducts, the lighting function is lost. Not only can the designed lighting function not be achieved, but the high-value skylight panels invested in the design are wasted, and energy-consuming lighting is still required in the production workshop. Moreover, the vertically installed opaque panel frame also has a very large impact on the lighting function.

[0006] 2. Ventilation Issues. The exhaust vents are angled towards the wind after installation. Especially when installed at a downward slope, the exhaust vents face a significant backflow angle. Because the external wind force is much greater than the natural ventilation pressure, the backflow prevents the skylight from expelling indoor air. According to the technical requirements for the effective ventilation area of ​​skylights, if this type of parallel thin skylight with backflow is installed on two slopes, only the ventilation area of ​​one slope's ventilator can be considered as the effective ventilation area. The drainage channels installed within the parallel air ducts also greatly reduce the effective ventilation area, resulting in an effective ventilation area coefficient of less than 30%, which significantly impacts the product's ventilation performance.

[0007] 3. Structural Load Issues. The steel plate frame used has insufficient strength and cannot guarantee the strength of the assembled installation. A large foundation structure needs to be designed to provide additional support, increasing the building load and cost. In particular, the middle and lower layers of rainproof panels and drainage channels cannot receive natural wind and rain washing. Over time, a large amount of dust accumulates, reducing the rainwater capacity of the drainage channels and causing poor drainage. This makes it easy for rainwater to overflow into the workshop during storms. Furthermore, the continuous accumulation of coal dust increases the load on the ventilation system. If not cleaned in time, it can easily lead to serious accidents such as the collapse of the ventilators or even the roof.

[0008] In terms of application, these parallel duct thin skylights with poor application functions suffer from the same problems as large coal storage yards when used in metal smelting such as electrolytic aluminum and steelmaking, metal processing, ceramic production, and various granular and powdered raw materials and product processing where there is a lot of dust.

[0009] The above analysis shows that the parallel duct thin ventilators in the national standard drawing set generally have defects in dust accumulation and lighting function. Some technical products also have serious ventilation function defects, which prevents the application buildings from achieving the energy-saving application functions designed for them. This causes problems of responsibility and waste in building design and application, and even leads to the phenomenon of avoiding the discussion of thin ventilators. As the design and application of parallel duct thin ventilators become more widespread, the problems of building design responsibility and waste caused by their functional defects have become a widely concerned issue in the industry. Therefore, it is urgent to develop parallel duct lighting and ventilation devices with complete functions. Utility Model Content

[0010] The technical problem to be solved by this utility model is to provide a parallel air duct lighting and ventilation device with self-cleaning function, which can prevent the rainproof plate from accumulating a large amount of dust and causing loss of lighting function.

[0011] To solve the above problems, the present invention adopts the following technical solution:

[0012] A parallel air duct lighting and ventilation device includes multiple parallel air duct frames made of structural steel, with V-shaped upper rainproof plates installed on the multiple parallel air duct frames, forming multiple exhaust vents between adjacent upper rainproof plates. Its special feature is:

[0013] The parallel air duct frame includes multiple frame units arranged at equal intervals. Adjacent frame units are connected to each other by upper and lower connecting rods arranged vertically. Each frame unit consists of an X-shaped frame and two columns symmetrically connected to the lower ends of the X-shaped frame. The upper connecting rod connects the upper ends of the X-shaped frame of two adjacent frame units, and the lower connecting rod connects the lower ends of the columns of two adjacent frame units.

[0014] The upper rainproof plate is fixed on an X-shaped frame between multiple parallel air duct frames. A lower rainproof plate is supported and fixed on the lower connecting rod between multiple parallel air duct frames. Rainproof uprights are fixed on the outside of two columns in each frame unit between multiple parallel air duct frames. The lower end of the rainproof uprights is sealed to the corresponding lower rainproof plate to form a U-shaped rainwater buffer zone. Multiple parallel ventilation ducts are formed between adjacent rainwater buffer zones. Rain-blocking plates are symmetrically fixed in the exhaust vents between multiple parallel air duct frames to prevent rainwater from entering the room through the ventilation ducts.

[0015] Multiple outer baffles and an arc-shaped outer protective plate are respectively provided on the outside of the two parallel air duct frames located at both ends. The outer baffles are fixed between the two columns of each frame unit. The upper end of the outer protective plate is fixed on multiple upper connecting rods of the corresponding parallel air duct frame, and the lower end overlaps with the outer baffle and is fixed on the columns of multiple frame units and is higher than the lower rainproof plate by a certain distance. This allows external wind to pass through the rainwater buffer zone under the outer protective plates on both sides and blow away the dust that falls on the lower rainproof plate.

[0016] As a further preferred option, each rainwater buffer zone is equipped with a splash-proof component fixed by a mounting bracket to prevent rainwater falling onto the lower rainproof plate from splashing into the ventilation duct.

[0017] As a further preferred embodiment, the rain-blocking panels are arranged between multiple parallel air duct frames via support frames fixed to the upper connecting rod. The extension line of the line connecting the upper edge of each rain-blocking panel and the upper edge of the adjacent upper rainproof panel falls within the corresponding rainwater buffer zone below. The extension line of the line connecting the upper and lower edges of two adjacent rain-blocking panels also falls within the corresponding rainwater buffer zone below. This ensures that rainwater falling from the exhaust vent can only fall within the rainwater buffer zone and will not enter the room through the ventilation duct.

[0018] As a further preferred embodiment, each ventilation duct is combined with an adjacent rainwater buffer zone to form a ventilation unit, and the ratio of the minimum ventilation opening diameter from the ventilation duct to the exhaust vent to the width of the ventilation unit is ≥45%.

[0019] As a further preferred embodiment, the splash-proof component is a horizontally arranged honeycomb splash-proof mesh with a certain thickness or one or more vertically arranged splash-proof plates.

[0020] As a further preferred embodiment, the height of the rainproof upright is greater than or equal to 800mm.

[0021] As a further preferred embodiment, the support frame is arc-shaped or straight, and the lower end of the support frame is fixed to the corresponding upper connecting rod by bolts, so as to facilitate the adjustment of the installation angle of the support frame and the rainproof plate.

[0022] As a further preferred option, a dust collection trough is provided under the lower rainproof plate on the outer side of the parallel air duct frame at both ends to collect dust flowing with rainwater in the rainwater buffer zone, thereby preventing dust from flowing freely and polluting the environment.

[0023] As a further preferred embodiment, the upper rainproof panel, the lower rainproof panel, and the rainproof upright panel are all made of light-transmitting material.

[0024] As a further preferred option, the splash guard is made of a light-transmitting material.

[0025] The beneficial effects of this utility model are:

[0026] 1. This application optimizes the structural design to prevent rainwater from entering the room through the ventilation duct. By setting up a U-shaped rainwater buffer zone with a sealed connection between the rainproof vertical plate and the lower rainproof plate, and installing an anti-splashing device in the rainwater buffer zone, this application changes the problem of parallel air duct thin ventilators, which both want rainwater to wash away the dust accumulated on the rainproof plate and worry about rainwater splashing, and thus have to adopt a three-layer rainproof plate structure that is prone to dust accumulation. The structural design can realize the self-cleaning function of rainwater washing and wind blowing of each layer of rainproof plate, which can prevent the rainproof plate from accumulating a large amount of dust and causing loss of lighting function, and can also prevent the rainproof plate from accumulating a large amount of dust and generating excessive load that affects the structural bearing strength of the building.

[0027] 2. This application uses steel profiles to construct parallel air duct frames, which have high structural strength and can increase the ventilation height space, resulting in good ventilation effect. It solves the problems of traditional thin ventilators that have long used steel plate frames that block the light-transmitting function, as well as the problems of low strength, lack of structural adjustment and change function of plate frames, which limit the product height and cannot expand the ventilation performance. It provides technical insights for gradually changing the perception of thin ventilators as having low ventilation performance and low-profile structure.

[0028] 3. By setting up a dust collection trough, the dust accumulated in the ventilation device can be washed into the dust collection trough by rainwater and settled, making it convenient for regular collection and cleaning. It also creates convenient conditions for setting up a diversion system to guide the accumulated dust to the ground for collection, thus avoiding the free flow of dust and pollution of the environment. This provides a feasible solution for improving the unorganized dust pollution from roof ventilation devices. Attached Figure Description

[0029] Figure 1 This is a structural schematic diagram of Embodiment 1 of the present invention.

[0030] Figure 2 yes Figure 1 The left view.

[0031] Figure 3 This is a structural schematic diagram of the parallel air duct frame of this utility model.

[0032] Figure 4 This is a structural schematic diagram of Embodiment 2 of this utility model.

[0033] In the diagram: parallel air duct frame 1, X-shaped frame 101, column 102, upper connecting rod 103, lower connecting rod 104, end rod 105, upper rainproof plate 2, rainproof plate 3, ventilation duct 14, exhaust vent 5, outer protective plate 6, fixing frame 7, splash-proof component 8, outer baffle 9, rainwater buffer zone 10, lower rainproof plate 11, rainproof upright plate 12, flashing 13, ventilation duct 14, end sealing plate 15, roof base 16, support rod 17, ash collection trough 18. Detailed Implementation

[0034] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0035] Example 1

[0036] like Figure 1-3 As shown, this utility model relates to a parallel air duct lighting and ventilation device, comprising multiple parallel air duct frames 1 arranged in parallel and connected by steel profiles, installed on a roof base 16. This embodiment uses three parallel air duct frames 1 as an example. Each parallel air duct frame 1 includes multiple frame units arranged at equal intervals. Adjacent frame units are connected to each other by upper connecting rods 103 and lower connecting rods 104 arranged vertically. Each frame unit consists of an X-shaped frame 101 and two columns 102 symmetrically connected to the lower sides of the X-shaped frame 101. The upper width of the X-shaped frame 101 is greater than the lower width. The upper connecting rod 103 connects the upper ends of the X-shaped frame 101 of two adjacent frame units, and the lower connecting rod 104 is detachably connected between the lower ends of the columns 102 of two adjacent frame units. The two frame units located at both ends of the parallel air duct frame 1 are connected to the upper connecting rod 103 and the lower connecting rod 104 by an end rod 105.

[0037] A V-shaped upper rainproof plate 2 is fixedly supported between multiple parallel air duct frames 1 by the V-shaped support structure of the X-shaped frame 101. A lower rainproof plate 11 is fixedly supported between multiple parallel air duct frames 1 by the lower connecting rod 104. The lower rainproof plate 11 is preferably a profiled plate. Two rainproof upright plates 12 are symmetrically fixed on the outside of the two uprights 102 of each frame unit between multiple parallel air duct frames 1. The height of the rainproof upright plates 12 is greater than or equal to 800mm. After the lower ends of the two rainproof uprights 12 are pressed, they are sealed and fastened to the corresponding lower rainproofs 11 to form a U-shaped rainwater buffer zone 10. An end sealing plate 15 is connected between multiple parallel air duct frames 1 through end rods 105 at both ends. The lower end of the end sealing plate 15 is pressed on the corresponding lower rainproof 11 and forms a rainwater buffer zone 10 with the corresponding lower rainproof 11 and rainproof uprights 12. This ventilation device forms multiple parallel ventilation ducts 14 between adjacent rainwater buffer zones 10 and multiple exhaust vents 5 between adjacent upper rainproofs 2. Each ventilation duct 14 and the adjacent rainwater buffer zone 10 are combined to form a ventilation unit. The rainwater can be collected and discharged in a concentrated manner through the rainwater buffer zone 10 and the upper rainproof 2.

[0038] Two rain-blocking plates 3 are symmetrically fixed in the exhaust vents 5 between adjacent upper rainproof plates 2 between multiple parallel air duct frames 1. An inwardly inclined rain-blocking plate 3 is provided on the upper connecting rods 103 at both ends between multiple parallel air duct frames 1. The rain-blocking plates 3 are arranged between multiple parallel air duct frames 1 by support frames 4 fixed on the upper connecting rods 103. The extension line of the line connecting the upper edge of each rain-blocking plate 3 and the upper edge of the adjacent upper rainproof plate 2 falls in the corresponding rainwater buffer zone 10 below. The extension line of the line connecting the upper and lower edges of two adjacent rain-blocking plates 3 falls in the corresponding rainwater buffer zone 10 below, so that rainwater falling from the exhaust vent 5 can only fall in the rainwater buffer zone 10 and will not enter the room through the ventilation duct 14.

[0039] The cross-section of the support frame 4 is either arc-shaped or straight; in this embodiment, an arc-shaped cross-section is used as an example. The lower end of each support frame 4 is fixed to the corresponding upper connecting rod 103 by bolts to facilitate adjustment of the installation angle between the support frame 4 and the rainproof plate 3.

[0040] Each rainwater buffer zone 10 has a splash-proof component 8 fixed to its lower rainproof plate 11 by a fixing bracket 7 to prevent rainwater falling on the lower rainproof plate 11 from splashing into the ventilation duct 14. The splash-proof component 8 is a horizontally arranged honeycomb-shaped splash-proof mesh with a certain thickness.

[0041] Multiple outer baffles 9 and an arc-shaped outer protective plate 6 are fixed to the outside of the two parallel air duct frames 1 located at both ends. The outer baffles 9 are fixed between the two columns 102 of each frame unit. The outer protective plate 6 is located outside the outer baffles 9 and its upper end is fixed to multiple upper connecting rods 103 of the corresponding parallel air duct frame 1. Its lower end overlaps with the outer baffles 9 and is fixed to the columns 102 of multiple frame units and is higher than the lower rainproof plate 11 by a certain distance. This allows external wind to pass through the rainwater buffer zone 10 under the outer protective plates 6 on both sides and blow away the dust that falls on the lower rainproof plate 11.

[0042] On the roof base 16 located at both ends, below the lower rainproof plate 11 located outside the parallel air duct frame 1, there are flashing 13 and dust collection trough 18 supported by fixed support rods 17 respectively. The dust collection trough 18 is pressed on top of the flashing 13 and is used to collect rainwater and dust flowing with the rainwater in the rainwater buffer zone 10 and the upper rainproof plate 2, so as to prevent dust from flowing freely and polluting the environment.

[0043] The upper rainproof panel 2, the lower rainproof panel 11, and the rainproof upright panel 12 are all made of light-transmitting material to provide lighting effect.

[0044] In this embodiment, the width of the ventilation duct 14 is preferably 450mm, and the width of the rainwater buffer zone 10 is preferably 550mm, so that the width of each ventilation unit is 1000mm; the minimum ventilation opening diameter on one side of each ventilation duct 14 leading to the exhaust port 5 is 225mm, and the total diameter on both sides is 450mm, so that the ratio of the minimum ventilation opening diameter from the ventilation duct 14 to the exhaust port 5 in each ventilation unit to the width of the ventilation unit is ≥45%, thereby ensuring the ventilation effect.

[0045] In use, the ventilation device connects the interior of the building with the outside through the ventilation duct 14 and the exhaust vent 5, and the air inside the building is discharged through the ventilation duct 14 and the exhaust vent 5. When it rains, rainwater falls on the upper rainproof plate 2 and the rain-blocking plate 3. Some of the rainwater will fall into the rainwater buffer zone 10 through the rain-blocking plate 3. The anti-splash device installed in the rainwater buffer zone 10 can prevent rainwater from splashing into the ventilation duct 14. At the same time, because the lower end of the outer protective plate 6 is a certain distance higher than the lower rainproof plate 11, the external wind can pass through the rainwater buffer zone 10 from under the outer protective plates 6 on both sides and sweep away the dust that falls on the lower rainproof plate 11, so as to achieve the self-cleaning function of rainwater washing and wind blowing of each layer of rainproof plate.

[0046] Example 2

[0047] like Figure 4 As shown, this utility model relates to a parallel air duct lighting and ventilation device, the basic structure of which is the same as that of Embodiment 1, and will not be described again in this embodiment. The difference is that the splash-proof component 8 is one or more splash-proof plates arranged vertically. The splash-proof plates are made of light-transmitting material to provide lighting effect.

[0048] Although the embodiments of this utility model have been disclosed above, they are not limited to the applications listed in the specification and embodiments. They can be applied to various fields suitable for this utility model. For those skilled in the art, other modifications can be easily made. Therefore, without departing from the general concept defined by the claims and their equivalents, this utility model is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A parallel duct lighting and ventilation device, comprising multiple parallel duct frames made of steel profiles arranged in parallel with each other, V-shaped upper rainproof plates provided on the multiple parallel duct frames, and multiple exhaust vents formed between adjacent upper rainproof plates, characterized in that: The parallel air duct frame includes multiple frame units arranged at equal intervals. Adjacent frame units are connected to each other by upper and lower connecting rods arranged vertically. Each frame unit consists of an X-shaped frame and two columns symmetrically connected to the lower ends of the X-shaped frame. The upper connecting rod connects the upper ends of the X-shaped frame of two adjacent frame units, and the lower connecting rod connects the lower ends of the columns of two adjacent frame units. The upper rainproof plate is fixed on an X-shaped frame between multiple parallel air duct frames. A lower rainproof plate is supported and fixed on the lower connecting rod between multiple parallel air duct frames. Rainproof uprights are fixed on the outside of two columns in each frame unit between multiple parallel air duct frames. The lower end of the rainproof uprights is sealed to the corresponding lower rainproof plate to form a U-shaped rainwater buffer zone. Multiple parallel ventilation ducts are formed between adjacent rainwater buffer zones. Rain-blocking plates are symmetrically fixed in the exhaust vents between multiple parallel air duct frames to prevent rainwater from entering the room through the ventilation ducts. Multiple outer baffles and an arc-shaped outer protective plate are respectively provided on the outside of the two parallel air duct frames located at both ends. The outer baffles are fixed between the two columns of each frame unit. The upper end of the outer protective plate is fixed on multiple upper connecting rods of the corresponding parallel air duct frame, and the lower end overlaps with the outer baffle and is fixed on the columns of multiple frame units and is higher than the lower rainproof plate by a certain distance. This allows external wind to pass through the rainwater buffer zone under the outer protective plates on both sides and blow away the dust that falls on the lower rainproof plate.

2. The parallel duct lighting and ventilation device according to claim 1, characterized in that: in Each rainwater buffer zone is equipped with splash-proof components fixed by a bracket to prevent rainwater falling on the lower rainproof plate from splashing into the ventilation duct.

3. The parallel air duct lighting and ventilation device according to claim 1, characterized in that: The rain-blocking panels are arranged between multiple parallel air duct frames via support frames fixed to the upper connecting rod. The extension line of the line connecting the upper edge of each rain-blocking panel and the upper edge of the adjacent upper rain-blocking panel falls within the corresponding rainwater buffer zone below. The extension line of the line connecting the upper and lower edges of two adjacent rain-blocking panels also falls within the corresponding rainwater buffer zone below. This ensures that rainwater falling from the exhaust vent can only fall within the rainwater buffer zone and will not enter the room through the ventilation duct.

4. The parallel duct lighting and ventilation device according to claim 1, characterized in that: Each ventilation duct, combined with an adjacent rainwater buffer zone, forms a ventilation unit, with the ratio of the minimum ventilation opening diameter from the ventilation duct to the exhaust vent to the width of the ventilation unit being ≥45%.

5. The parallel air duct lighting and ventilation device according to claim 2, characterized in that: The splash-proof component is a horizontally arranged honeycomb splash-proof mesh with a certain thickness or one or more vertically arranged splash-proof plates.

6. The parallel duct lighting and ventilation device according to claim 1, characterized in that: The height of the rainproof upright is greater than or equal to 800mm.

7. The parallel duct lighting and ventilation device according to claim 3, characterized in that: The support frame is arc-shaped or straight, and the lower end of the support frame is fixed to the corresponding upper connecting rod by bolts to facilitate adjustment of the installation angle of the support frame and the rainproof plate.

8. The parallel duct lighting and ventilation device according to any one of claims 1-7, characterized in that: Dust collection troughs are provided under the lower rainproof plates on the outer sides of the parallel air duct frames at both ends. These troughs are used to collect dust that flows with rainwater within the rainwater buffer zone, preventing dust from flowing freely and polluting the environment.

9. The parallel duct lighting and ventilation device according to claim 8, characterized in that: The upper rainproof panel, lower rainproof panel, and rainproof upright panel are all made of translucent material.

10. The parallel air duct lighting and ventilation device according to claim 5, characterized in that: The splash guard is made of a light-transmitting material.

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