Guiding ventilation cut-off waveguide window for dangling type explosion-proof wave shielding valve

Abstract

The utility model discloses a guide ventilation cut-off waveguide window for a dangling type explosion-proof wave shielding valve, which belongs to the technical direction of waveguide windows and comprises an inclined ventilation cut-off waveguide window, a static pressure absorption cabin, a horizontal ventilation cut-off waveguide window, a door leaf outer door plate and a door leaf inner door plate. The oblique ventilation cut-off waveguide window is welded to one end of the outer door plate of the door leaf, the oblique ventilation cut-off waveguide window, the static pressure absorption cabin and the horizontal ventilation cut-off waveguide window are used in cooperation, a double-layer combined ventilation waveguide structure is adopted, and a wave absorption material is attached to the static pressure absorption cabin, so that electromagnetic waves are reflected and absorbed for multiple times in the static pressure absorption cabin; electromagnetic wave energy entering the shielding body is greatly weakened, the overall shielding effectiveness is improved, meanwhile, the static pressure absorption cabin can evenly distribute air volume, stabilize airflow, reduce airflow vibration and noise, convert part of dynamic pressure into static pressure, reduce dynamic pressure loss, improve the efficiency of a ventilation system, enable air to be blown farther, and effectively reduce the length of the hexagonal waveguide structure.

Description

TECHNICAL FIELD

[0001] The utility model belongs to waveguide window technical field, concretely relates to a kind of guide ventilation cut-off waveguide window for suspension type blast wave shield valve. BACKGROUND

[0002] The working principle of suspension type blast wave shield valve is mainly realized to the double protection of person and building by anti-shock wave, flow guide and wave absorption mechanism, under normal circumstances, suspension type blast wave shield valve keeps normal open state, allows air to flow freely, when shock wave enters, valve will be closed rapidly under the action of pressure, to block most of the shock wave into the project inside, in addition, there is wave absorption chamber in valve design, can gradually diffuse and dissipate the entering shock wave, to reduce its influence to person and building.

[0003] The existing suspension type blast wave shield valve is usually provided with ventilation cut-off waveguide window at the ventilation opening behind suspension plate, so that shield valve has anti-electromagnetic damage while ensuring certain ventilation volume, but the ventilation cut-off waveguide window is necessarily exist fluid resistance in the process of air circulation, and the resistance of fluid flowing in pipeline can be divided into two kinds, friction resistance and local resistance, friction resistance is the resistance generated by internal friction of fluid when flowing through straight pipe of certain pipe diameter, so friction resistance is related to hexagonal aperture and length of waveguide window, local resistance is mainly caused by resistance of sudden expansion or reduction of pipe section in the process of fluid circulation, so local resistance is mainly the resistance generated when air flows in and out. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of guide ventilation cut-off waveguide window for suspension type blast wave shield valve for the existing device to solve the problems raised in the above background.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: a kind of guide ventilation cut-off waveguide window for suspension type blast wave shield valve, including oblique ventilation cut-off waveguide window, static pressure absorption cabin, horizontal ventilation cut-off waveguide window, door leaf outer door plate, door leaf inner door plate, the door leaf outer door plate is the outside door plate of suspension type blast wave shield valve, the door leaf inner door plate is the inside door plate of suspension type blast wave shield valve, one side of the door leaf outer door plate can be detachably installed with suspension plate, the oblique ventilation cut-off waveguide window is welded and installed at one end of door leaf outer door plate.

[0006] The utility model further illustrates that the oblique ventilation cut-off waveguide window is hexagonal honeycomb structure, its internal structure is arranged in the form of oblique hexagonal honeycomb, the oblique hexagonal honeycomb is inclined structure, the inclination angle is 15 ° ~ 30 °, consistent with the angle of suspension plate.

[0007] The utility model further illustrates that the static pressure absorption cabin is arranged between the outer door panel of the door leaf and the inner door panel of the door leaf.

[0008] The utility model further illustrates that the static pressure absorption cabin is arranged between the outer door panel of the door leaf and the inner door panel of the door leaf.

[0009] The utility model further illustrates that the static pressure absorption cabin is arranged between the outer door panel of the door leaf and the inner door panel of the door leaf.

[0010] The utility model further illustrates that the static pressure absorption cabin is arranged between the outer door panel of the door leaf and the inner door panel of the door leaf.

[0011] Compared with the prior art, the utility model has the beneficial effects that: the utility model, through the cooperation of the oblique ventilation cutoff waveguide window, the static pressure absorption cabin and the horizontal ventilation cutoff waveguide window, adopts the double-layer combined ventilation waveguide structure, the static pressure absorption cabin is attached with the wave absorbing material, makes electromagnetic wave realize multiple reflection absorption in the static pressure absorption cabin, greatly reduces the electromagnetic wave energy entering the shielding body, improves the overall shielding efficiency, simultaneously, the static pressure absorption cabin can evenly distribute air volume, can stabilize airflow, reduces airflow vibration and noise, converts part dynamic pressure into static pressure, reduces dynamic pressure loss, improves the efficiency of ventilation system, makes the wind blow farther, and the double-layer combined ventilation waveguide structure relative to single whole waveguide window can effectively reduce the length of hexagonal waveguide structure while guaranteeing shielding efficiency, thereby reducing the friction resistance of air flowing through the waveguide window.

[0012] Through the cooperation of the oblique hexagonal honeycomb, the airflow direction of the air entering the oblique ventilation cutoff waveguide window is consistent, and the local resistance in the air flow process is effectively reduced. DRAWINGS

[0013] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model.

[0014] Fig. 1 It is the whole structure schematic diagram of the utility model,

[0015] Fig. 2 It is the oblique hexagonal honeycomb structure schematic diagram of the utility model.

[0016] In the drawing: 1, oblique ventilation cutoff waveguide window;101, oblique hexagonal honeycomb;2, static pressure absorption cabin;3, horizontal ventilation cutoff waveguide window;4, suspension board;5, wave absorbing material;6, flow guide plate;7, outer door panel of door leaf;8, inner door panel of door leaf. DETAILED DESCRIPTION

[0017] The technical solutions of the utility model will be further and non-restrictively described in detail in combination with the preferred embodiments and the drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0018] Please refer to Figs. 1-2 The utility model provides technical schemes: a kind of guide ventilation cut-off waveguide window for suspension type explosion-proof wave shielding flap, including oblique ventilation cut-off waveguide window 1, static pressure absorption cabin 2, horizontal ventilation cut-off waveguide window 3, door leaf outer door plate 7, door leaf inner door plate 8, door leaf outer door plate 7 is the outer door plate of suspension type explosion-proof wave shielding flap, door leaf inner door plate 8 is the inner door plate of suspension type explosion-proof wave shielding flap, one side of door leaf outer door plate 7 can be detachably installed with suspension board 4, for leading in air, oblique ventilation cut-off waveguide window 1 is welded and installed at one end of door leaf outer door plate 7, oblique ventilation cut-off waveguide window 1 is hexagonal honeycomb structure, its internal structure is arranged in the form of oblique hexagonal honeycomb 101, oblique hexagonal honeycomb 101 is inclined structure, inclination angle is 15 ° ~ 30 °, angle is consistent with suspension board 4, so that air is directly entered into waveguide window without obstacle, effectively reduce the local resistance formed by air inflow into waveguide window;

[0019] Static pressure absorption cabin 2 is arranged between door leaf outer door plate 7 and door leaf inner door plate 8, static pressure absorption cabin 2 is welded and installed with flow guide plate 6 inside, flow guide plate 6 guides the air entering obliquely to be parallel out, flow guide plate 6 is processed into shape using thick plate, while playing the role of guiding flow, increase the rigidity of door leaf;

[0020] Static pressure absorption cabin 2 is fixedly installed with wave-absorbing material 5 around, can absorb and greatly weaken electromagnetic wave energy entering static pressure absorption cabin 2 inside;

[0021] Horizontal ventilation cut-off waveguide window 3 is welded and installed on door leaf inner door plate 8, and horizontal ventilation cut-off waveguide window 3 is parallelly arranged hexagonal honeycomb structure, for guiding air to flow horizontally into indoor.

[0022] Embodiment one:

[0023] In the process of daily use, air flows obliquely from the bottom and side of suspension board 4 to oblique ventilation cut-off waveguide window 1, and the oblique ventilation cut-off waveguide window 1 is hexagonal honeycomb structure arranged at an inclination of 15 °, which is consistent with the angle of air inflow, can effectively reduce the local resistance when air enters, then air enters static pressure absorption cabin 2, at this time, air is divided by flow guide plate 6, and the oblique wind is converted into horizontal wind, then the horizontal wind enters indoor through horizontal ventilation cut-off waveguide window 3;

[0024] The electromagnetic wave in the air is attenuated by the oblique ventilation cutoff waveguide window 1 and enters the middle static pressure absorption cabin 2, the static pressure absorption cabin 2 is filled with wave-absorbing material 5, the multiple reflection absorption of electromagnetic wave energy can be realized, and finally the electromagnetic wave is greatly weakened and passes through the horizontal ventilation cutoff waveguide window 3 and is attenuated along the waveguide wall until disappearing;

[0025] By cooperation of the oblique ventilation cutoff waveguide window 1, the static pressure absorption cabin 2 and the horizontal ventilation cutoff waveguide window 3, a double-layer combined ventilation waveguide structure is adopted, the static pressure absorption cabin 2 is attached with wave-absorbing material 5, the multiple reflection absorption of electromagnetic wave in the static pressure absorption cabin 2 is realized, the electromagnetic wave energy entering the shielding body is greatly weakened, the overall shielding effectiveness is improved, meanwhile, the static pressure absorption cabin 2 can uniformly distribute air volume, can stabilize airflow, reduce airflow vibration and noise, can convert part of dynamic pressure into static pressure, reduce dynamic pressure loss, improve the efficiency of the ventilation system, make the wind blow farther, and the double-layer combined ventilation waveguide structure can effectively reduce the length of the hexagonal waveguide structure while ensuring the shielding effectiveness, thereby reducing the friction resistance of air flowing through the waveguide window.

[0026] By cooperation of the oblique ventilation cutoff waveguide window 1, the static pressure absorption cabin 2 and the horizontal ventilation cutoff waveguide window 3, a double-layer combined ventilation waveguide structure is adopted, the static pressure absorption cabin 2 is attached with wave-absorbing material 5, the multiple reflection absorption of electromagnetic wave in the static pressure absorption cabin 2 is realized, the electromagnetic wave energy entering the shielding body is greatly weakened, the overall shielding effectiveness is improved, meanwhile, the static pressure absorption cabin 2 can uniformly distribute air volume, can stabilize airflow, reduce airflow vibration and noise, can convert part of dynamic pressure into static pressure, reduce dynamic pressure loss, improve the efficiency of the ventilation system, make the wind blow farther, and the double-layer combined ventilation waveguide structure can effectively reduce the length of the hexagonal waveguide structure while ensuring the shielding effectiveness, thereby reducing the friction resistance of air flowing through the waveguide window.

[0027] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc. indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the present application.

[0028] Finally, it should be pointed out that: the above examples are only used to illustrate the technical solutions of the present application, and not to limit them. Although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that they can modify the technical solutions recorded in the foregoing examples, or make equivalent substitutions for part of the technical features, and these modifications or substitutions do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A guide vented cutoff waveguide window for a suspended blast wave shield shutter, comprising a slant vented cutoff waveguide window (1), a static pressure absorption chamber (2), a horizontal vented cutoff waveguide window (3), an outer door leaf (7), an inner door leaf (8), characterized in that, The door leaf outer door plate (7) is the outer door plate of the swing type blast wave shielding movable door, the door leaf inner door plate (8) is the inner door plate of the swing type blast wave shielding movable door, one side of the door leaf outer door plate (7) is detachably provided with a swing plate (4), and the oblique ventilation cutoff waveguide window (1) is welded on one end of the door leaf outer door plate (7).

2. A waveguide window for a waveguide window for a pendulum blast shield damper according to claim 1, characterized in that The oblique ventilation cutoff waveguide window (1) is a hexagonal honeycomb structure, and the internal structure is in the form of an oblique hexagonal honeycomb (101). The oblique hexagonal honeycomb (101) is an inclined structure, and the inclination angle is 15°-30°, which is consistent with the angle of the swing plate (4).

3. A waveguide window for a waveguide window for a pendulous blast shield damper according to claim 2, characterised in that, The static pressure absorption cabin (2) is arranged between the door leaf outer door plate (7) and the door leaf inner door plate (8).

4. A waveguide window for a waveguide window for a pendulous blast shield damper according to claim 3, characterised in that, The static pressure absorption cabin (2) is internally welded with a flow guide plate (6), the flow guide plate (6) guides the air entering obliquely to be parallel out, and the flow guide plate (6) is formed by thick plate processing.

5. A waveguide window for a waveguide window for a pendulous blast shield damper according to claim 4, characterised in that, The static pressure absorption cabin (2) is fixedly provided with wave absorbing material (5) around.

6. A waveguide window for a waveguide window for a pendulum blast shield damper according to claim 5, characterised in that The horizontal ventilation cutoff waveguide window (3) is welded on the door leaf inner door plate (8), and the horizontal ventilation cutoff waveguide window (3) is a parallel arranged hexagonal honeycomb structure.

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