Air injection detection device

Abstract

The utility model belongs to the technical field of gas spraying detection, and discloses a gas spraying detection device. The air injection detection device is used for detecting whether a spray head installed on a base body normally injects air or not, the air injection detection device comprises a first magnetic attraction piece, a second magnetic attraction piece, an indicating piece, a lifting piece and a camera, the first magnetic attraction piece is arranged on the base body, a preset distance is formed between the first magnetic attraction piece and the spray head, and the second magnetic attraction piece is arranged on the base body. The indicating piece is arranged on the second magnetic attraction piece, the indicating piece is a flexible piece, the lifting piece is used for transferring the second magnetic attraction piece to the first magnetic attraction piece, the second magnetic attraction piece can be attracted to the first magnetic attraction piece, and the camera frame is arranged under the indicating piece. According to the utility model, the problems of time consumption, manpower and material resource cost waste, high-altitude operation danger, observation difficulty and the like caused by mounting a cloth strip below the nozzle by erecting a scaffold in the existing gas nozzle spraying detection method are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of gas spray detection, in particular to a gas spray detection device. Background Art

[0002] In many industries involving gas spraying, such as fire protection and industrial gas systems, verifying whether the gas can be sprayed normally from the nozzle is a crucial step.

[0003] Currently, the industry generally adopts the method of setting up scaffolding and installing cloth strips at the nozzles for testing. This process requires a significant amount of resources. From a time perspective, scaffolding construction and subsequent testing preparation often take a long time, which is extremely disadvantageous for projects with tight deadlines. In terms of manpower, not only professional scaffolding workers are required, but also inspection personnel for operations such as installing and observing the cloth strips, which involves the collaboration of multiple people. In terms of financial costs, scaffolding rental, transportation, construction, and personnel labor costs are all significant expenses.

[0004] At the same time, this traditional inspection method presents numerous safety risks. Working at height is particularly problematic. When inspectors install and retrieve the strips at height, accidents such as missing a step or loose scaffolding can result in serious injury. Furthermore, each nozzle requires two high-altitude inspections, significantly increasing the risk of injury.

[0005] In actual application scenarios, there are still technical limitations. For some nozzles installed in the ceiling at a higher position (more than 8 meters), the scaffolding cannot be built due to the obstruction of the ceiling keel, which makes it impossible to implement traditional detection methods. In addition, when observing the effect of gas spraying, the movement of the cloth strips is viewed through the window. When multiple nozzles are spraying at the same time and the spraying time is short, the human eye cannot fully and timely observe the situation of the cloth strips under all nozzles, and the detection effect is greatly reduced. If personnel wear air respirators to observe in the room, they will not only face the risk of impact caused by gas spraying, but may also be injured due to unexpected situations such as equipment failure, slippery ground, etc. Therefore, the existing gas nozzle spray detection technology is in urgent need of improvement and innovation to solve the above-mentioned problems. Utility Model Content

[0006] The purpose of the utility model is to provide a gas jet detection device, which aims to solve the problems of time-consuming, wasteful of manpower and material costs, dangerous high-altitude operations and difficult observation caused by the installation of cloth strips under the nozzles by setting up scaffolding when detecting the gas nozzle spray.

[0007] To achieve this purpose, the present invention adopts the following technical solutions:

[0008] A jet detection device is used to detect whether a nozzle installed on a base is jetting normally. The jet detection device includes a first magnetic component, a second magnetic component, an indicator component, a lifting component and a camera. The first magnetic component can be set on the base and has a preset distance from the nozzle. The indicator component is set on the second magnetic component. The indicator component is a flexible component. The lifting component is used to move the second magnetic component to the first magnetic component. The second magnetic component can be attracted to the first magnetic component. The camera is mounted directly below the indicator component.

[0009] Preferably, the second magnetic member includes a magnetic portion and a hanging portion, the hanging portion is arranged on the magnetic portion, and the indicator is arranged on the hanging portion.

[0010] Preferably, the hanging portion is annular.

[0011] Preferably, a bending portion is provided at the end of the lifting member, and the hanging portion can be hung on the bending portion.

[0012] Preferably, the bent portion includes a core body, and the core body is coated with an anti-slip layer.

[0013] Preferably, a traction member is fixedly connected to the second magnetic member.

[0014] Preferably, a third magnetic member or a hook is provided at one end of the traction member away from the second magnetic member, and the third magnetic member or the hook is used for adsorbing or hooking on another substrate.

[0015] Preferably, the traction member comprises a rope.

[0016] Preferably, the length of the lifting member is adjustable.

[0017] Preferably, the lifting member comprises a plurality of telescopic rods, which are nested in sequence from outside to inside. Except for the telescopic rod located on the outermost side, the remaining telescopic rods can be extended or retracted from adjacent telescopic rods.

[0018] Beneficial effects:

[0019] The utility model provides a jet detection device, which utilizes a lifting member to move an indicator member to a position near a nozzle to be detected and fixes it magnetically, and utilizes a camera to record the status of the indicator member. After the experiment is completed, the video footage captured by the camera is reviewed to confirm the jet status of the nozzle. The utility model does not require the erection of a scaffold, thus avoiding a large waste of time, manpower, and material resources. At the same time, it also does not require staff to perform high-altitude operations multiple times. In addition, during the jet experiment, staff do not need to wear a respirator to observe the status of the indicator member inside the room or through the window outside the room. By reviewing the video footage with the camera and playing it back, the jet status of the nozzle can be obtained more intuitively and accurately, thereby ensuring the safety of staff and the accuracy and reliability of experimental results. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is the overall layout diagram of the utility model;

[0021] Figure 2 It is a schematic diagram of the second magnetic attraction member of the present invention;

[0022] Figure 3 It is a schematic diagram of the telescopic member of the utility model;

[0023] In the picture:

[0024] 11. First magnetic member; 12. Second magnetic member; 121. Magnetic portion; 122. Suspension portion;

[0025] 2. Indicator; 3. Telescopic member; 31. Telescopic rod; 32. Bending portion;

[0026] 4. Camera; 5. Traction member; 6. Third magnetic member. DETAILED DESCRIPTION

[0027] The present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are intended only to illustrate the present invention and are not intended to limit the present invention. It should also be noted that, for ease of description, the accompanying drawings only illustrate portions relevant to the present invention, not all of its components.

[0028] In the description of this utility model, unless otherwise specified or limited, the terms "connected," "connect," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction 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.

[0029] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0030] In the description of this embodiment, the terms "upper," "lower," "right," and other orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely for ease of description and simplified operation. 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 the present invention. Furthermore, the terms "first" and "second" are used solely for descriptive purposes and have no special meaning.

[0031] like Figure 1As shown, this embodiment provides an air jet detection device for detecting whether a nozzle 100 installed on a substrate is spraying normally. The substrate is the ceiling of the house to be detected and the pipes in the ceiling. There are multiple nozzles 100. The air jet detection device includes a first magnetic member 11, a second magnetic member 12, an indicator 2, a lifting member 3 and a camera 4. The number of the first magnetic member 11, the second magnetic member 12, the indicator 2 and the camera 4 is the same as the number of the nozzles 100. For the nozzle 100 installed on the ceiling of the house, the first magnetic member 11 is installed on the ceiling. The ceiling provides a basis for the subsequent attraction of the second magnetic member 12, and a preset distance is retained between the first magnetic member 11 and the nozzle 100 to be detected. The indicator 2 is set on the second magnetic member 12, and the indicator 2 is a flexible member, which is more easily blown by the nozzle and convenient for observation. The appropriate distance between the adsorption position of the second magnetic member 12 and the nozzle 100 to be detected can also improve the blowing state of the indicator 2, thereby more accurately observing the jetting situation of the nozzle 100; for the nozzle 100 set on the pipe in the ceiling of the house, the second magnetic member 12 can be directly placed on the nozzle 100. The magnetic element 12 is attracted to the metal pipe next to the nozzle 100; the lifting element 3 is used to move the second magnetic element 12 to the position of the first magnetic element 11, so that the second magnetic element 12 can be attracted to the first magnetic element 11. In addition, the camera 4 is mounted directly below the indicator 2. For operations that require simultaneous inspection of multiple nozzles 100, multiple cameras 4 are required to capture the status of multiple indicator elements 2. It is necessary to ensure that one camera 4 corresponds to each nozzle 100. The camera is used to record the entire process of the air jet experiment so that the air jet conditions of the nozzle 100 can be determined by reviewing the video footage captured by the camera after the experiment. In this case, the staff does not need to wear respiratory equipment to enter the room to observe the air jet conditions of the nozzle 100 during the experiment, ensuring the safety of the staff and preventing accidental injury. Compared with the method of observing through the glass of the room window, the camera recording and review method is more reliable and accurate, and can easily and safely grasp the air jet conditions of each nozzle. Observing from the window cannot observe the air jet conditions of the nozzle in the ceiling, which would incomplete the grasp of the experimental results.

[0032] Among them, the second magnetic component 12 includes a magnetic portion 121 and a hanging portion 122. The magnetic portion 121 is used to be attracted to the first magnetic component 11. The hanging portion 122 is arranged on the magnetic portion 121. The indicator 2 is arranged on the hanging portion 122. In addition to arranging the indicator 2 on the hanging portion 122, when the lifting component 3 is used to transfer the second magnetic component 12, the lifting component 3 is limited and fixed with the hanging portion 122, thereby moving the second magnetic component 12 to the target position and attracting it to the first magnetic component 11.

[0033] Preferably, the hanging portion 122 is annular, and the hanging portion 122 can be a circular ring, a triangle, a rectangle, etc. The annular hanging portion 122 is easy to hang on the lifting member 3 and is not easy to fall off, so that the second magnetic member 12 can be more safely and stably transferred to the nozzle 100 to be detected by the lifting member 3 and attracted by the first magnetic member 11 or the surrounding pipes. In this embodiment, the hanging portion 122 is an inverted triangle, and the indicator 2 is arranged at the lower vertex of the inverted triangle, so that the position of the indicator 2 on the hanging portion 122 will not change due to the blowing of the nozzle 100, and the jet status of the nozzle 100 can be continuously and accurately detected.

[0034] Preferably, a traction member 5 is fixedly connected to the second magnetic member 12. The material of the traction member 5 can be nylon, polyester polypropylene, nylon, steel wire, glass fiber, etc. A third magnetic member 6 or a hook is provided at the end of the traction member 5 away from the second magnetic member 12. The third magnetic member 6 or the hook can be adsorbed or hooked on another substrate, where the substrate is the wall or floor of the house. The third magnetic member 6 can be adsorbed on metal parts on the wall or floor of the house, and the hook can be hooked on a hook or pipe on the wall or floor of the house. When the second magnetic member 12 adsorbed on the ceiling accidentally falls and falls into the ceiling, the staff can recover the second magnetic member 12 that falls into the ceiling by pulling the traction member 5 and adsorb it again. At the same time, after the experiment is over, the staff can also remove the second magnetic member 12 adsorbed near each nozzle from a high place by pulling the traction member 5.

[0035] The lifting member 3 includes a plurality of telescopic rods 31, which are nested in sequence from the outside to the inside. Except for the telescopic rods 31 located on the outermost side, the other telescopic rods 31 can be extended or retracted from the adjacent telescopic rods 31, so as to adjust the length. When the lifting member 3 is extended, the position of each telescopic rod can be limited, so as to ensure the stability and safety of the lifting member 3. In addition, the lifting member 3 can also be a spiral telescopic, foldable structure and splicing structure, among which the spiral telescopic structure is specifically that the lifting member 3 consists of two parts, one end of which is provided with a rod section with an external thread, and the other end is provided with a rod section with an external thread. One end of a part is provided with a sleeve with an internal thread, and by rotating the sleeve, the rod section is screwed in or out of the sleeve, thereby changing the overall length of the lifting member 3; the folding structure is to design the lifting member 3 into multiple sections, and the adjacent ends are connected by hinges or rotating shafts. When the length needs to be adjusted, the rod member is folded or unfolded in a certain order; the splicing structure is composed of multiple independent short rod sections, and the end of each short rod section is provided with a connecting device, such as a threaded interface, a bayonet or a mortise and tenon structure, etc. By splicing these short rod sections in the required number and order, lifting members of different lengths can be obtained. By using a lifting member 3 with adjustable length, the second magnetic member 12 can be suspended without setting up a scaffolding, and the staff do not need to perform high-altitude operations, which ensures the safety of the staff. At the same time, for the detection of sprinklers in the ceiling, the traditional method of setting up a scaffolding and having the staff perform high-altitude operations to suspend the indicator member is not feasible, and this solution can be well applied to the above situation.

[0036] Preferably, a bending portion 32 is provided at the end of the lifting member 3, and the bending portion 32 is a structure with high ends and low middle. The hanging portion 122 can be limited to the lowest point of the bending portion 32. When the lifting member 3 is used to transfer the second magnetic member 12, the hanging portion 122 is not easy to fall off from the bending portion 32; for the nozzle 100 to be detected in the ceiling, the second magnetic member 12 equipped with the indicator 2 is transferred to the position of the nozzle 100 to be detected by the lifting member 3 and the second magnetic member 12 is attracted to the nearby pipe; the bending portion 32 can be a semicircular arc, V-shape, U-shape or other bending structure that can limit the hanging portion 122. In this embodiment, the bending portion 32 is a semicircular arc. Other bending structures that can play a limiting role on the hanging portion 122 are all within the protection scope of the present utility model.

[0037] Preferably, the bending portion 32 includes a core body, and the core body is covered with an anti-slip layer. In this embodiment, the bending portion 32 is a double-layer structure, and the interior of the bending portion 32 is a metal core body, which ensures the strength of the bending portion 32 and makes it more reliable. The inner metal layer of the bending portion 32 is covered with an anti-slip layer. The material of the protective layer can be rubber or silicone. The anti-slip layer can increase the friction force on the outer surface of the bending portion 32. When the lifting member 3 is used to transfer the second magnetic member 12, the greater friction force also makes the transfer process safer, avoiding the occurrence of falling due to smoothness, and greatly improving the safety of the staff during operation. The utility model does not limit the number of layers of the core body and the anti-slip layer, and it can be selected according to actual needs.

[0038] Preferably, the suction force of the second magnetic member 12 should be greater than or equal to 20 kg, so that the second magnetic member 12 can be firmly adsorbed near the nozzle 100 to prevent the second magnetic member 12 from falling due to the strong impact force of the gas sprayed by the nozzle 100.

[0039] Preferably, the color of the indicator 2 is red, yellow, blue or green, and the color saturation value is greater than or equal to 50%. The indicator 2 is set to a striking and bright color, which helps the camera 4 to capture it. After the experiment is over, it is also easier for the staff to review the experimental video to confirm the spraying situation of the nozzle 100.

[0040] Preferably, the indicator 2 can be made of cloth, plastic, or feathers. Soft materials such as cloth or feathers can make the indicator 2 flutter more noticeably under the action of the air jet, allowing the camera 4 to capture its motion, which helps improve the accuracy of the test results. At the same time, in order to capture clear experimental data with the camera 4, the parameters of the camera 4, such as ISO, aperture, shutter speed, and focal length, should be adjusted appropriately. For nozzles 100 at different heights, a suitable focal length should be used to ensure that the motion of the indicator 2 can be clearly captured. A suitable shooting angle should also be selected to avoid blind spots. During the experiment, the stability of the camera 4 should be ensured to prevent shaking from affecting the shooting effect.

[0041] This utility model proposes a jet detection device that, through its ingenious design and rational structure, effectively resolves a series of issues encountered in existing nozzle jet detection techniques. This device boasts simple operation, safety, reliability, and low cost, making it suitable for nozzle detection in various industrial and civilian applications. In practical applications, appropriate device components and operating methods should be selected based on the specific circumstances to ensure accurate and effective detection. Furthermore, with continued technological development and innovation, this device can be further optimized and improved to provide a more efficient and convenient solution for nozzle jet detection.

[0042] Obviously, the above-described embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention and are not intended to limit the manner in which the present invention is to be implemented. A person skilled in the art would be able to make various obvious changes, readjustments, and substitutions without departing from the scope of protection of the present invention. It is not necessary and impossible to enumerate all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the claims of the present invention.

Claims

1. A jet detection device for detecting whether a nozzle (100) installed on a substrate is jetting normally, characterized in that: The jet detection device includes a first magnetic member (11), a second magnetic member (12), an indicator member (2), a lifting member (3) and a camera (4), wherein the first magnetic member (11) can be arranged on the base and has a preset distance from the nozzle (100), the indicator member (2) is arranged on the second magnetic member (12), the indicator member (2) is a flexible member, the lifting member (3) is used to move the second magnetic member (12) to the first magnetic member (11), the second magnetic member (12) can be attracted to the first magnetic member (11), and the camera (4) is mounted directly below the indicator member (2).

2. The air jet detection device according to claim 1, characterized in that: The second magnetic attraction member (12) comprises a magnetic attraction portion (121) and a hanging portion (122), the hanging portion (122) is arranged on the magnetic attraction portion (121), and the indicator member (2) is arranged on the hanging portion (122).

3. The air jet detection device according to claim 2, characterized in that: The hanging portion (122) is annular.

4. The air jet detection device according to claim 3, characterized in that: The end of the lifting member (3) is provided with a bending portion (32), and the hanging portion (122) can be hung on the bending portion (32).

5. The air jet detection device according to claim 4, characterized in that: The bending portion (32) comprises a core body, and the core body is coated with an anti-slip layer.

6. The air jet detection device according to any one of claims 1 to 5, characterized in that: The second magnetic attraction member (12) is fixedly connected to a traction member (5).

7. The air jet detection device according to claim 6, characterized in that: A third magnetic member (6) or a hook is provided at one end of the traction member (5) away from the second magnetic member (12), and the third magnetic member (6) or the hook is used for adsorbing or hooking on another substrate.

8. The air jet detection device according to claim 6, characterized in that: The traction member (5) comprises a rope.

9. The air jet detection device according to any one of claims 1 to 5, characterized in that: The length of the lifting member (3) can be adjusted.

10. The air jet detection device according to claim 9, characterized in that: The lifting member (3) comprises a plurality of telescopic rods (31), which are nested in sequence from outside to inside. Except for the telescopic rod (31) located on the outermost side, the remaining telescopic rods (31) can be extended or retracted from adjacent telescopic rods.

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