Laminar flow hood with large air volume and small size

Abstract

The utility model discloses a large-air-volume and small-volume laminar flow hood, and relates to the technical field of laminar flow hoods. The number of the air guiding mechanisms is two, the two air guiding mechanisms are arranged at the two ends in the outer cover correspondingly and used for treating flow guiding of airflow, each air guiding mechanism comprises an air inlet box, an odor removing box and an inner cover, the inner cover is fixedly connected to the center in the outer cover, and the odor removing box is fixedly connected to the top of one side of the outer surface of the inner cover. According to the large-air-volume and small-size laminar flow hood, through the use of the air guide mechanism, air can be guided when entering the device, so that the air before treatment and the air after treatment are separated, and the situation that the overall quality of airflow is affected due to mutual blending of the two strands of air is avoided, and the large-air-volume and small-size laminar flow hood is convenient to use through the use of the air treatment mechanism. According to the efficient filter, multi-stage treatment can be carried out on gas, dust is prevented from directly acting on the efficient filter, the service life of the efficient filter is not affected, meanwhile, the smell of airflow is treated, and the use comfort is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to laminar flow hood technical field, concretely to a laminar flow hood of big air volume and small volume. BACKGROUND

[0002] Laminar flow hood is one of the equipment that can shield and isolate operators from products, its main purpose is to avoid product pollution, then the air that is sucked from the clean room passes through the HEPA filter vertically through the operating area by the fan installed in the top pressurized cabin, provides the one-way flow air of ISO 5 (level 100) for the critical area, the exhaust gas is discharged from below, returns the clean room area, it is mainly composed of box, fan, high efficiency air filter, damping layer, lamp and the like.

[0003] The authorization publication number "CN211451200U" has recorded "a laminar flow hood. It contains box, static pressure tank, fan, high efficiency filter, LED lamp, flow equalizing film, PAO detection port, PAO injection port, differential pressure table, control screen, lighting lamp button, air inlet face, the inside of the box is provided with static pressure tank, the inside of static pressure tank is provided with fan, the lower portion of fan is provided with high efficiency filter, the left and right sides of high efficiency filter are provided with LED lamp, the lower portion of high efficiency filter is provided with flow equalizing film. After adopting the above technical scheme, the utility model has the beneficial effects that: it can be hung, also can be supported on the ground, compact structure, convenient to use, the box is made of stainless steel SUS304, the stainless steel plate is bent into shape, beautiful and clean, easy to clean and disinfect, the laminar flow hood can be used individually, also can be connected to form a strip-shaped clean area".

[0004] The above patent can be hung, also can be supported on the ground, compact structure, convenient to use, the box is made of stainless steel SUS304, the stainless steel plate is bent into shape, beautiful and clean, easy to clean and disinfect, the laminar flow hood can be used individually, also can be connected to form a strip-shaped clean area, but, in the use process, the incoming and outgoing air is not guided, makes the incoming and outgoing air easy to mix, and, the air is not preliminarily treated, reduces the service life of high efficiency filter, and, the smell is not treated, cannot guarantee the cleanliness of gas smell. UTILITY MODEL CONTENTS

[0005] The utility model provides a laminar flow hood of big air volume and small volume, through the use of gas guide mechanism, gas can be guided when entering the inside of device, so that the gas before treatment and after treatment are separated, avoid two gas intermixing, influence the overall quality of air current, through the use of gas treatment mechanism, can carry out multistage treatment to the gas, avoid dust directly acting on high efficiency filter, influence its service life, simultaneously, the smell of air current is treated, improve the comfort when using.

[0006] To achieve the above object, the utility model discloses a large air volume small volume laminar flow hood through the following technical solutions:

[0007] Cover;

[0008] Air guide mechanism, it is equipped with two groups, two groups air guide mechanism are arranged respectively in the both ends in cover, to handle the air guide of airflow, every group air guide mechanism all includes gas inlet tank, smell removal tank and inner cover, the inner cover fixedly connected in the center place in cover, the smell removal tank fixedly connected at the top of one side of the outer surface of inner cover, the gas inlet tank fixedly connected in one side in cover, and gas inlet tank and smell removal tank are communicated and set up;

[0009] Gas treatment mechanism, it is arranged in cover, and the gas treatment mechanism includes two groups of installation components, two primary filter cotton, two smell removal ware and high efficiency filter, every group installation component all is arranged in every gas inlet tank, every primary filter cotton all is arranged in every gas inlet tank, and every primary filter cotton is arranged on every group installation component, every smell removal ware is installed and is arranged in every smell removal tank, and the high efficiency filter is installed and is arranged in inner cover.

[0010] Flow control mechanism, it is equipped with two groups, two groups flow control mechanism all are arranged in inner cover, to flow control of airflow.

[0011] Further, every group installation component all includes mounting block and clamping assembly, the mounting block is installed and is arranged in one side edge in gas inlet tank, and mounting block is fixedly connected with primary filter cotton, the clamping assembly is arranged on mounting block, and clamping assembly is connected with gas inlet tank.

[0012] Further, the clamping assembly includes clamping strip and clamping groove, the clamping groove is opened in one end in gas inlet tank, and the clamping strip is fixedly connected on mounting block, and clamping strip is clamped and is arranged in clamping groove.

[0013] Further, every group flow control mechanism all includes flow control motor and flow control fan blade, the inner cover top fixedly connected with mounting bracket, the flow control motor is fixedly connected on mounting bracket, and the flow control fan blade is fixedly connected on the output end of flow control motor.

[0014] Further, the inner cover is fixedly connected with two installation frames near the bottom, and the static pressure tank is fixedly connected between two installation frames.

[0015] Further, the inner cover is fixedly connected with damping scattering net in the bottom.

[0016] The utility model provides a kind of large air volume small volume laminar flow hood. It has the following beneficial effects:

[0017] (1), the large volume of the small volume of the laminar flow hood, through the use of air guide mechanism, can be into the device when the gas flow guide, to make the gas before and after treatment are separated, to avoid two gas mixed, affect the overall quality of airflow.

[0018] (2), the large volume of the small volume of the laminar flow hood, through the use of gas treatment mechanism, can be multi-stage processing of gas, to avoid dust on the high efficiency filter directly, affect its service life, at the same time, the smell of airflow processing, improve the comfort of use. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is the sectional view of the utility model;

[0020] Figure 2 is the partial sectional view of the utility model;

[0021] Figure 3 is the first perspective view of the utility model;

[0022] Figure 4 is the second perspective view of the utility model.

[0023] In the drawing: 1, cover; 2, cover; 3, flow control fan; 4, flow control motor; 5, odor remover; 6, odor removal tank; 7, clamping groove; 8, clamping strip; 9, primary filter cotton; 10, mounting block; 11, mounting frame; 12, high efficiency filter; 13, mounting frame; 14, static pressure tank; 15, damping scattering net; 16, air inlet tank. DETAILED DESCRIPTION

[0024] The technical schemes in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] Please refer to Figures 1-4 The utility model provides a technical scheme: a large volume of the small volume of the laminar flow hood, comprising:

[0026] Cover 1;

[0027] The air guide mechanism is provided with two groups, and the two groups of air guide mechanisms are respectively arranged at two ends in the outer cover 1 to guide the airflow. Each group of air guide mechanisms comprises an air inlet box 16, a deodorizing box 6 and an inner cover 2. The inner cover 2 is fixedly connected to the center of the outer cover 1. The deodorizing box 6 is fixedly connected to the outer surface of the inner cover 2 at the top. The air inlet box 16 is fixedly connected to one side in the outer cover 1, and the air inlet box 16 is in communication with the deodorizing box 6.

[0028] The gas treatment mechanism is arranged in the outer cover 1. The gas treatment mechanism comprises two groups of mounting components, two primary filter cots 9, two deodorizing devices 5 and a high-efficiency filter 12. Each group of mounting components is arranged in each air inlet box 16. Each primary filter cot 9 is slidingly arranged in each air inlet box 16, and each primary filter cot 9 is arranged on each group of mounting components. Each deodorizing device 5 is arranged in each deodorizing box 6. The high-efficiency filter 12 is arranged in the inner cover 2.

[0029] The flow control mechanism is provided with two groups, and the two groups of flow control mechanisms are arranged in the inner cover 2 to control the flow of the airflow.

[0030] In the embodiment, the outer cover 1 and the inner cover 2 are fixedly connected to form a whole, so as to ensure the structural strength of the whole. The air inlet box 16 is arranged between the outer cover 1 and the inner cover 2. The outer cover 1 is communicated with the inner cover 2 through the deodorizing box 6 to complete the airflow guiding in the use process. The primary filter cot 9 can filter the dust in the air and cooperate with the deodorizing device 5 to make the air odorless. The high-efficiency filter 12 is an application of the prior art, and will not be described in detail here.

[0031] Specifically, each group of mounting components comprises a mounting block 10 and a clamping assembly. The mounting block 10 is arranged at one side edge of the air inlet box 16, and the mounting block 10 is fixedly connected with the primary filter cot 9. The clamping assembly is arranged on the mounting block 10, and the clamping assembly is connected with the air inlet box 16.

[0032] In the embodiment, the mounting block 10 controls the use of the primary filter cot 9 in the air inlet box 16, so as to facilitate replacement.

[0033] Specifically, the clamping assembly comprises a clamping strip 8 and a clamping groove 7. The clamping groove 7 is arranged at one end of the air inlet box 16. The clamping strip 8 is fixedly connected to the mounting block 10, and the clamping strip 8 is clamped in the clamping groove 7.

[0034] In the embodiment, the clamping strip 8 and the clamping groove 7 ensure the stable installation of the primary filter cot 9, and at the same time, ensure the sealing of the air inlet box 16.

[0035] Specifically, each group of flow control mechanisms comprises a flow control motor 4 and a flow control fan blade 3. An installation rack 11 is fixedly connected to the top of the inner cover 2. The flow control motor 4 is fixedly connected to the installation rack 11. The flow control fan blade 3 is fixedly connected to the output end of the flow control motor 4.

[0036] In the embodiment, the type of the flow control motor 4 can be selected according to needs, and the flow control motor 4 is used to rotate the flow control fan blade 3 to control the airflow.

[0037] Specifically, two mounting frames 13 are fixedly connected to the inner cover 2 near the bottom, and a static pressure tank 14 is fixedly connected between the two mounting frames 13.

[0038] In the embodiment, the static pressure tank 14 is a device for noise reduction, and has a buffer air chamber and a sound attenuation chamber inside. When air passes through the buffer air chamber, its kinetic energy is converted into pressure energy and is uniformly released into the sound attenuation chamber, so that the effect of smooth flow is achieved.

[0039] Specifically, a damping scattering net 15 is fixedly connected to the bottom of the inner cover 2.

[0040] In the embodiment, the damping scattering net 15 can balance the flow and pressure in the pipeline, achieve the effects of noise reduction, pressure loss reduction, and bending enhancement, and has the effect of balancing the flow.

[0041] In use, the flow control motor 4 rotates the flow control fan blade 3 to control the airflow, so that the airflow passes through the primary filter cotton 9 and the odor remover 5 into the inner cover 2, is treated by the high-efficiency filter 12, and is discharged together with the static pressure tank 14 and the damping scattering net 15 of the same specification. During the flow process, the primary filter cotton 9 performs preliminary filtration, and cooperates with the odor remover 5 to make the air odorless, so as to ensure the cleanliness of the discharged airflow. When the primary filter cotton 9 is replaced or cleaned, the clamping strip 8 is separated from the clamping groove 7 through the mounting block 10, and the replacement of the primary filter cotton 9 is completed.

[0042] The control mode of the utility model is controlled by manually starting and closing the switch. The wiring diagram of the power element and the provision of the power supply are common knowledge in the art, and the utility model is mainly used for protecting mechanical devices. Therefore, the control mode and the wiring arrangement of the utility model will not be explained in detail.

[0043] The above is only a preferred specific implementation mode of the utility model, but the protection scope of the utility model is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, and all of them should be covered in the protection scope of the utility model.

Claims

1. A laminar flow hood of large air volume and small size, characterized in that, The utility model relates to a kind of gas treatment device, including: Cover (1); Air guide mechanism is equipped with two groups, two groups The air guide mechanism is respectively arranged in the both ends of cover (1), to handle the flow guide of airflow, each group The air guide mechanism includes gas inlet tank (16), odor removal tank (6) and inner cover (2), The inner cover (2) is fixedly connected to the center of cover (1), The odor removal tank (6) is fixedly connected to the top of the outer surface of inner cover (2) side, The gas inlet tank (16) is fixedly connected to one side in cover (1), and gas inlet tank (16) is communicated with odor removal tank (6) Setting; Gas treatment mechanism, in cover (1), The gas treatment mechanism includes two groups of installation components, two primary filter cotton (9), two odor removers (5) and high-efficiency filter (12), each group The installation component is arranged in each gas inlet tank (16), each The primary filter cotton (9) is slidably arranged in each gas inlet tank (16), and each primary filter cotton (9) is arranged on each group The installation component, each The odor remover (5) is installed in each odor removal tank (6), The high-efficiency filter (12) is installed in inner cover (2); And Flow control mechanism is equipped with two groups, two groups The flow control mechanism is arranged in inner cover (2), to flow control of airflow.

2. A low flow volume laminar flow hood according to claim 1, wherein, Each group The installation component includes mounting block (10) and clamping assembly, The mounting block (10) is installed in one side edge of gas inlet tank (16), and mounting block (10) is fixedly connected with primary filter cotton (9), The clamping assembly is arranged on mounting block (10), and clamping assembly is connected with gas inlet tank (16).

3. A low flow volume laminar flow hood according to claim 2, wherein, The clamping assembly includes clamping strip (8) and clamping groove (7), The clamping groove (7) is opened in one end of gas inlet tank (16), The clamping strip (8) is fixedly connected on mounting block (10), and clamping strip (8) is clamped in clamping groove (7).

4. A low flow volume laminar flow hood according to claim 3, wherein, Each group The flow control mechanism includes flow control motor (4) and flow control fan blade (3), The inner cover (2) top is fixedly connected with mounting bracket (11), The flow control motor (4) is fixedly connected on mounting bracket (11), The flow control fan blade (3) is fixedly connected on the output end of flow control motor (4).

5. A low flow volume laminar flow hood according to claim 4, wherein, The inner cover (2) is fixedly connected with two mounting frames (13) near bottom, Two The mounting frame (13) is fixedly connected with static pressure tank (14).

6. A low flow volume laminar flow hood according to claim 5, wherein, The inner cover (2) bottom is fixedly connected with damping scattering net (15).

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