Ventilation device and ridge protection plate

Abstract

The ventilation device comprises an air duct plate and an air supply assembly, a hollow tree-shaped air duct is arranged in the air duct plate, the tree-shaped air duct comprises a main air duct, branch air ducts and leaf air ducts, the main air duct is provided with an air inlet, the branch air ducts are symmetrically arranged on the two sides of the main air duct and communicated with the main air duct, and the leaf air ducts are communicated with the branch air ducts. The blade path air channel is communicated with the branch air channel, an air outlet communicated with the first surface of the air channel plate is formed in the tail end of the blade path air channel, a drainage protrusion is arranged at the air channel forking position in the tree-shaped air channel, and the air supply assembly is installed at the air inlet in a split mode. By means of the fluid mechanics heat dissipation design, heat dissipation of the body by the explosive ordnance disposal suit ridge protection plate is facilitated, and the comfort degree of explosive ordnance disposal workers wearing the explosive ordnance disposal suit is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bomb disposal clothing, in particular to a ventilation device and a spine guard. Background Art

[0002] Explosive ordnance disposal suits are often used in bomb disposal operations. The spine guard is the main means of protection for bomb disposal personnel. It not only needs to reduce the damage to the spine caused by the explosion impact, but also needs to have excellent ventilation and heat dissipation functions, so that bomb disposal personnel can perform bomb disposal operations safely and comfortably in dangerous environments.

[0003] However, the existing spine guard of the bomb disposal suit focuses more on the research of the spinal protection function, and correspondingly neglects the importance of heat dissipation performance. It is unable to ensure good ventilation and heat dissipation performance of the spine guard. Sweat easily condenses inside the bomb disposal suit, causing stuffiness and humidity, which seriously affects the comfort of the personnel wearing the bomb disposal suit.

[0004] Therefore, there is an urgent need for a ventilation device to meet the ventilation and heat dissipation requirements of the spine guard of the bomb disposal suit. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the present invention proposes a ventilation device and a spine guard, which help the spine guard of the bomb disposal suit to dissipate heat from the body and improve the comfort of bomb disposal workers wearing the bomb disposal suit.

[0006] The technical solution of the present utility model is achieved as follows:

[0007] The first aspect of the present utility model discloses a ventilation device, including an air duct plate and an air supply assembly, wherein a hollow tree-shaped air duct is arranged in the air duct plate, and the tree-shaped air duct includes a main air duct, a branch air duct and a leaf air duct, the main air duct is provided with an air inlet, the branch air ducts are symmetrically arranged on both sides of the main air duct and are connected with the main air duct, the leaf air duct is connected with the branch air duct, and the end of the leaf air duct is provided with an air outlet connected to the first surface of the air duct plate, a diversion protrusion is provided at the bifurcation of the air duct in the tree-shaped air duct, and the air supply assembly is installed in a split manner at the air inlet.

[0008] As an optional embodiment, in the first aspect of the present utility model, a side air port connected to the blade path air duct is provided on the second surface of the air duct plate.

[0009] As an optional embodiment, in the first aspect of the present utility model, the blade path air duct includes a first blade path air duct and a second blade path air duct formed by extending and bifurcating along the first blade path air duct.

[0010] As an optional embodiment, in the first aspect of the present utility model, the cross-sections of the first blade path air duct and the second blade path air duct form an "I"-shaped structure.

[0011] As an optional embodiment, in the first aspect of the present utility model, the cross-section of the main air duct is composed of a plurality of funnel-shaped structures, and the cross-sectional width reaches the maximum at the air inlet.

[0012] As an optional embodiment, in the first aspect of the present utility model, the air supply assembly includes a fan base, a fan and a filter, and the fan base is fixed to the air inlet by screws.

[0013] As an optional embodiment, in the first aspect of the present utility model, a funnel-shaped air duct is provided in the fan base, the fan is installed in the fan base, and the filter is located below the fan and is provided at the bottom of the fan base.

[0014] The second aspect of the present invention discloses a ridge guard plate, comprising the ventilation device disclosed in the first aspect, wherein the ridge guard plate comprises an air duct plate, an air supply assembly and a back plate, and the back plate is adhered to the air duct plate and arranged on the third surface of the air duct plate.

[0015] As an optional embodiment, in the second aspect of the present utility model, the spine guard includes a spine guard bag for fixing the air duct plate and the back plate, the spine guard bag is provided with a mesh cloth on the first surface of the air duct plate, the spine guard bag is provided with a Velcro for attaching the spine guard to the bomb disposal suit on the third surface of the air duct plate, the spine guard bag is provided with face cloth on both sides of the Velcro, and the spine guard bag is provided with a fixing belt at the bottom of the air duct plate and the back plate.

[0016] As an optional embodiment, in the second aspect of the present utility model, the back plate is made of a soft material for protecting against impact.

[0017] Compared with the prior art, the utility model has the following advantages:

[0018] The utility model can achieve uniform air supply through the heat dissipation design of the tree-shaped fluid dynamic channels of the air duct plate, so that the air is evenly distributed in the air duct to ensure that each area can get sufficient air volume. The air duct is reasonably designed, and the airflow is subject to less resistance, which is conducive to reducing the energy consumption of the fan. The airflow in the air duct is smooth, which can effectively reduce the noise generated in the air duct. The ventilation device as a whole cooperates with the back plate to form a spine guard for spine protection, which helps to ensure good ventilation and prevent stuffiness and sweat accumulation. On the basis of providing protection, it improves the comfort of bomb disposal workers wearing bomb disposal suits. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0020] Figure 1 This is a schematic diagram of the internal structure of the air duct plate in Example 1 of the present utility model;

[0021] Figure 2 This is a front structural diagram of the ventilation device in Example 1 of the present utility model;

[0022] Figure 3 This is a schematic diagram of the back structure of the ventilation device in Example 2 of the present utility model;

[0023] Figure 4 This is a side structural diagram of the ventilation device in Example 1 of the present utility model;

[0024] Figure 5 This is a schematic diagram of the bottom structure of the ventilation device in Example 1 of the present utility model;

[0025] Figure 6 This is a schematic diagram of the front structure of the spine guard plate in Example 2 of the present utility model;

[0026] Figure 7 This is a schematic diagram of the back structure of the spine guard plate in Example 2 of the present utility model.

[0027] Figure ID:

[0028] 1- air duct plate, 11- main air duct, 12- branch air duct, 13- blade air duct, 131- first blade air duct, 132- second blade air duct, 14- air inlet, 15- air outlet, 16- drainage protrusion, 17- side air duct;

[0029] 2-air supply assembly, 21-fan base, 22-fan, 23-filter;

[0030] 3- back panel;

[0031] 4-spine guard bag, 41-mesh cloth, 42-velcro, 43-face cloth, 44-fixing belt. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0033] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," "third," and "fourth," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0034] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0035] Example 1

[0036] See also Figure 1-5 The utility model discloses a ventilation device, including an air duct plate 1 and an air supply component 2, wherein the air duct plate 1 is provided with a hollow tree-like air duct, the tree-like air duct includes a main air duct 11, a branch air duct 12 and a leaf air duct 13, the main air duct 11 is provided with an air inlet 14, the branch air ducts 12 are symmetrically arranged on both sides of the main air duct 11 and are connected with the main air duct 11, the leaf air duct 13 is connected with the branch air duct 12, and the end of the leaf air duct 13 is provided with an air outlet 15 connected to the first surface of the air duct plate 1, and a diversion protrusion 16 is provided at the bifurcation of the air duct in the tree-like air duct, and the air supply component 2 is installed in a split manner at the air inlet 14.

[0037] As an optional embodiment, in the first aspect of the present utility model, a side air port 17 communicating with the blade path air duct 13 is provided on the second surface of the air duct plate 1 .

[0038] As an optional embodiment, in the first aspect of the present utility model, the blade path air duct 13 includes a first blade path air duct 131 and a second blade path air duct 132 formed by extending and bifurcating along the first blade path air duct 131 .

[0039] As an optional embodiment, in the first aspect of the present utility model, the cross-sections of the first blade path air duct 131 and the second blade path air duct 132 form an “I”-shaped structure.

[0040] As an optional embodiment, in the first aspect of the present utility model, the cross-section of the main air duct 11 is composed of a plurality of funnel-shaped structures, and the cross-sectional width reaches the maximum at the air inlet 14 .

[0041] As an optional embodiment, in the first aspect of the present utility model, the air supply assembly 2 includes a fan base 21, a fan 22 and a filter 23, and the fan base 21 is fixed to the air inlet 14 by screws.

[0042] As an optional embodiment, in the first aspect of the present utility model, a funnel-shaped air duct is provided in the fan base 21 , the fan 22 is installed in the fan base 21 , and the filter 23 is located below the fan 22 and is provided at the bottom of the fan base 21 .

[0043] The working principle of a ventilation device in the present invention is as follows: the duct plate draws air from the air inlet 14 into the main duct 11 through the air supply component, and the air is dispersed to each branch duct 12 along the funnel-shaped stepped main duct 11, especially the arc duct wall formed by the drainage protrusion 16 at the bifurcation of the duct can evenly supply air, reducing the resistance encountered by the air in the channel and the noise emitted. The air enters the branch duct 12 and then enters multiple leaf ducts 13. Finally, the air is discharged from multiple air outlets 15 and side vents 17 with the heat of the bomb disposal suit. The design of the tree-like duct can increase the area of ​​the duct plate contacting the bomb disposal suit, thereby taking away more heat, helping the bomb disposal suit to dissipate heat from the body, and improving the comfort of bomb disposal workers wearing the bomb disposal suit.

[0044] Example 2

[0045] like Figure 1-Figure 7 As shown, the second aspect of the utility model discloses a ridge guard plate, comprising a ventilation device as disclosed in the first aspect, wherein the ridge guard plate comprises an air duct plate 1, an air supply assembly 2 and a back plate 3, and the back plate 3 is arranged on the third surface of the air duct plate 1 in contact with the air duct plate 1.

[0046] As an optional embodiment, in the second aspect of the present utility model, the spine guard includes a spine guard bag 4 for fixing the air duct plate 1 and the back plate 3, the spine guard bag 4 is provided with a mesh cloth 41 on the first surface of the air duct plate 1, the spine guard bag 4 is provided with a Velcro 42 for attaching the spine guard to the bomb disposal suit on the third surface of the air duct plate 1, the spine guard bag 4 is provided with a face cloth 43 on both sides of the Velcro 42, and the spine guard bag 4 is provided with a fixing belt 44 at the bottom of the air duct plate 1 and the back plate 3.

[0047] Specifically, the air duct plate 1 and the back plate 3 can be installed tightly together by means of a fixing belt 44, or they can be installed tightly together by means of bolts, or they can be installed together by welding or other fixing methods. It is easy for technicians in this field to know that as long as the air duct plate 1 and the back plate 3 can be installed tightly together, the effect of the utility model can be achieved, which helps the bomb disposal suit to dissipate heat from the body and improves the comfort of the bomb disposal workers wearing the bomb disposal suit.

[0048] Furthermore, in addition to the Velcro 42 installation method used in the present embodiment to overlap the spine guard on the bomb disposal suit, a bolt connection method can also be used. For example, a corresponding mounting plate is sewn on the bomb disposal suit, and the air duct plate 1, back plate 3 and mounting plate are installed by bolt connection. The spine guard can also be overlapped on the bomb disposal suit by a snap connection method provided on the mounting plate. A slide rail that engages with the spine guard can also be provided on the bomb disposal suit, so that the spine guard can be engaged and installed in the slide rail and a fixing part is provided at the bottom of the slide rail to fix the spine guard.

[0049] As an optional embodiment, in the second aspect of the present utility model, the back plate 3 is made of a soft material for protecting against impact.

[0050] The working principle of a spine guard in the present invention is as follows: the spine guard is composed of an air duct plate 1 and a back plate 3 spliced ​​together, and then further fixed by a spine guard bag 4, and the mesh cloth 41 provided on the spine guard bag 4 includes a plurality of ventilation holes, which can allow the air outlet on the first surface of the air duct plate 1 to be ventilated, and the Velcro on the spine guard bag 4 can facilitate the spine guard to be overlapped on the bomb disposal suit, which is convenient for wearing and replacing the spine guard, and the surface cloth 43 can provide a non-sticky surface for the spine guard, which is convenient for users to touch and take the spine guard, and the fixing belt 44 can further fix the ventilation plate 1 and the back plate 3, and the back plate 3 is a soft material, which can not only reduce the damage of the explosion impact to the spine of the bomb disposal personnel, but also reduce the weight of the spine guard, which is convenient for the wearer. Action, the air duct plate arranged in the spine guard draws air from the air inlet 14 into the main air duct 11 through the air supply component, and the air is dispersed to each branch air duct 12 along the funnel-shaped stepped main air duct 11, especially the arc-shaped air duct wall formed by the drainage protrusion 16 at the fork of the air duct can evenly supply air, reducing the resistance and noise of the air in the channel. The air enters the branch air duct 12 and then enters multiple leaf air ducts 13. Finally, the air is discharged from multiple air outlets 15 and side air outlets 17 with the heat of the bomb disposal suit. The design of the tree-like air duct can increase the area of ​​the air duct plate contacting the bomb disposal suit, thereby taking away more heat, which helps the bomb disposal suit to dissipate heat from the body and improves the comfort of bomb disposal workers wearing the bomb disposal suit.

[0051] The various embodiments in this specification are described in a progressive manner. Similar parts between the various embodiments can be referred to in conjunction with each other. Each embodiment focuses on the differences from other embodiments. The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention.

Claims

1. A ventilation device, characterized in that: The invention comprises an air duct plate (1) and an air supply assembly (2), wherein a hollow tree-like air duct is arranged in the air duct plate (1), and the tree-like air duct comprises a main air duct (11), a branch air duct (12) and a leaf air duct (13), wherein the main air duct (11) is provided with an air inlet (14), the branch air duct (12) is symmetrically arranged on both sides of the main air duct (11) and is connected to the main air duct (11), the leaf air duct (13) is connected to the branch air duct (12), and an air outlet (15) connected to the first surface of the air duct plate (1) is arranged at the end of the leaf air duct (13), and a drainage protrusion (16) is arranged at the bifurcation of the air duct in the tree-like air duct, and the air supply assembly (2) is installed in a split manner at the air inlet (14).

2. The ventilation device according to claim 1, characterized in that A side air port (17) communicating with the blade path air duct (13) is provided on the second surface of the air duct plate (1).

3. The ventilation device according to claim 1, characterized in that The blade path air duct (13) comprises a first blade path air duct (131) and a second blade path air duct (132) formed by extending and bifurcating along the first blade path air duct (131).

4. The ventilation device according to claim 3, characterized in that The cross-sections of the first blade path air duct (131) and the second blade path air duct (132) form an "I"-shaped structure.

5. The ventilation device according to claim 1, characterized in that The cross section of the main air duct (11) is composed of a plurality of funnel-shaped structures, and the cross section width reaches its maximum at the air inlet (14).

6. The ventilation device according to claim 1, characterized in that The air supply assembly (2) comprises a fan base (21), a fan (22) and a filter (23), and the fan base (21) is fixedly mounted at the air inlet (14) by screws.

7. The ventilation device according to claim 6, characterized in that A funnel-shaped air duct is provided in the fan base (21), the fan (22) is installed in the fan base (21), and the filter (23) is located below the fan (22) and is provided at the bottom of the fan base (21).

8. A ridge guard comprising the ventilation device according to any one of claims 1 to 7, characterized in that: The ridge guard plate comprises an air duct plate (1), an air supply assembly (2) and a back plate (3); the back plate (3) is arranged on the third surface of the air duct plate (1) in contact with the air duct plate (1).

9. The ridge guard according to claim 8, characterized in that: The spine guard comprises a spine guard bag (4) for fixing the air duct plate (1) and the back plate (3); the spine guard bag (4) is provided with a mesh cloth (41) on the first surface of the air duct plate (1); the spine guard bag (4) is provided with a Velcro (42) for attaching the spine guard to the bomb disposal suit on the third surface of the air duct plate (1); the spine guard bag (4) is provided with face cloth (43) on both sides of the Velcro (42); and the spine guard bag (4) is provided with a fixing belt (44) at the bottom of the air duct plate (1) and the back plate (3).

10. The ridge guard according to claim 8, wherein: The back plate (3) is made of a soft material for protecting against impact.

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