Nozzle atomization testing device

Abstract

The utility model discloses a nozzle atomization testing device, which comprises a detection shell, a nozzle, an atomization device and a control device, and is characterized in that the detection shell is internally provided with a cavity; the nozzle is arranged in the cavity and can spray out mist in the first direction; the atomization granularity detection mechanism is arranged in the cavity and comprises a first camera and a first light source, a certain angle is formed between the shooting direction of the first camera and the first direction, a certain angle is formed between the emitting direction of the first light source and the first direction, and the shooting direction of the first camera and the emitting direction of the first light source are perpendicular to an intersection point; the first light source is used for irradiating the mist, and the first camera is used for collecting images of the mist irradiated by the first light source. According to the utility model, the test precision of the atomization effect of the nozzle can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to nozzle detection technical field, especially relate to a nozzle atomization testing device. BACKGROUND

[0002] In the tobacco production and processing process, the process equipment of many procedures needs to use the nozzle to carry out the temperature increasing and humidification and the incense and material adding treatment to the tobacco. After the compressed air or steam atomizes the liquid or water through the nozzle, the liquid or water is uniformly sprayed on the material, so that the purpose of temperature increasing and humidification or incense and material adding to the material is achieved, and the uniformity of the atomization effect directly determines the internal quality of the tobacco product.

[0003] However, in the actual production process, since the drum type equipment is a closed type equipment and the visibility inside the drum type equipment is poor, it is difficult to observe the atomization state of the liquid in the drum in real time, and the actual atomization effect is often judged according to the subjective experience of the maintenance personnel. In the prior art, there is another way, that is, the atomization effect of the nozzle in the production process is detected by adding other physical detection equipment. Through this way, the actual atomization effect of the nozzle is often affected by the sampling process of detection. For example, in the prior art invention patent application CN201510889519.4, the sampling plate is arranged on the side of the baffle far away from the nozzle, is fixed above the liquid column through the clamping device, and is arranged corresponding to the spraying direction of the nozzle. When the clamping device is loosened, the sampling plate does free fall motion, the size and distribution of the liquid particles sprayed on the sampling plate after atomization are detected, the related parameters of the atomization system in production are adjusted, the best atomization parameters under different conditions are determined. However, this detection method will cause the size and shape of the liquid particles to change when the liquid particles collide with the sampling plate, so that the atomization effect of the nozzle cannot be accurately evaluated, and the actual atomization process in the production process is affected. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of nozzle atomization testing devices, which can effectively improve the test precision of the atomization effect of nozzle.

[0005] To solve the above technical problems, the embodiment of the utility model discloses a kind of nozzle atomization testing devices, comprising:

[0006] Detection shell, with chamber in its inside;

[0007] Nozzle, set in chamber, nozzle can spray out spray along first direction;

[0008] The atomized particle size detection mechanism is arranged in the chamber, and comprises a first camera and a first light source, a shooting direction of the first camera and an emission direction of the first light source are both at a certain angle with the first direction, and the shooting direction of the first camera and the emission direction of the first light source are perpendicular to a cross point, the cross point is located on a spraying track of the spray, the first light source is used for irradiating the spray, and the first camera is used for collecting an image of the spray irradiated by the first light source.

[0009] According to another specific embodiment of the utility model, the utility model discloses an embodiment of the utility model discloses a kind of nozzle atomization test device further comprising atomization angle detection mechanism, atomization angle detection mechanism is arranged in the chamber, atomization angle detection mechanism includes second camera and second light source, second camera and second light source are arranged in the two sides of spray, the shooting direction of second camera is perpendicular to the first direction, second light source is used for irradiating spray, and second camera is used for collecting the image of spray irradiated by second light source.

[0010] According to another specific embodiment of the utility model, the utility model discloses an embodiment of the utility model discloses a kind of atomized particle size detection mechanism further be equipped with adjusting structure, with first camera and first light source connection, adjusting structure is used for adjusting the position of first camera and first light source.

[0011] According to another specific embodiment of the utility model, the utility model discloses an embodiment of the utility model discloses a kind of adjusting structure includes:

[0012] Base, extend along the first direction, the base is installed on the detection shell;

[0013] Camera support, slidingly connected to the base, the camera support is used for installing the first camera;

[0014] Crossbar, one end is connected to the upper side of camera support, and the other end is connected with first light source.

[0015] According to another specific embodiment of the utility model, the utility model discloses an embodiment of the utility model discloses that the upper surface of base is equipped with slide rail extending along the first direction, and camera support can reciprocate along slide rail.

[0016] According to another specific embodiment of the utility model, the utility model discloses an embodiment of the utility model discloses that slide rail upper side is equipped with screw rod extending along the first direction, one end of screw rod is equipped with driving part, driving part is used to drive screw rod rotation, one side of camera support is equipped with sliding block, sliding block is screw thread with screw rod screw connection, and sliding block is slidingly connected on slide rail.

[0017] According to another specific embodiment of the utility model, the utility model discloses an embodiment of the utility model discloses that first light source is laser light source, and second light source is white light.

[0018] According to another specific embodiment of the present application, the embodiment of the present application discloses that the first camera and the second camera are both industrial cameras.

[0019] According to another specific embodiment of the present application, the embodiment of the present application discloses that the nozzle atomization testing device further comprises a control system and a display touch screen, the first camera, the second camera and the display touch screen are electrically connected with the control system respectively, the control system is used for receiving image information output by the first camera and the second camera, and calculating atomization granularity and atomization angle according to the image information, and the display touch screen is used for selecting parameters to be tested and displaying testing results.

[0020] The nozzle atomization testing device provided by the present application comprises a detection shell, a nozzle and an atomization granularity detection mechanism. When the granularity of the spray is detected, the atomization granularity detection mechanism is provided with a first camera and a first light source. First, the light emitted by the first light source irradiates the spray sprayed by the nozzle, and the first camera collects pictures of the spray in real time and transmits the collected pictures to the control system. When the atomization angle of the spray is detected, the atomization angle detection mechanism is provided with a second camera and a second light source. The second camera collects pictures of the spray irradiated by the second light source in real time and transmits the collected pictures to the control system. The control system receives the spray pictures of the atomization granularity detection mechanism and the atomization angle detection mechanism respectively, and obtains the particle size and particle distribution and the actual atomization angle after the above pictures are processed by an image processing algorithm. Then, the detection results are transmitted to the display touch screen, so that the staff can adjust the spray state in time according to the detection results. The present application can effectively improve the testing precision of the atomization effect of the nozzle by setting the atomization granularity detection mechanism and the atomization angle detection mechanism, and the detection process does not affect the actual production and processing process, so as to improve the production and processing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 Fig. 1 shows a structure schematic diagram of the nozzle atomization testing device in one specific embodiment of the present application;

[0022] Figure 2 Fig. 2 shows a top view of the nozzle atomization testing device in one specific embodiment of the present application;

[0023] Figure 3 Fig. 3 shows a structure schematic diagram of the atomization granularity detection mechanism in one specific embodiment of the present application;

[0024] Figure 4 Fig. 4 shows a structure schematic diagram of the atomization angle detection mechanism in one specific embodiment of the present application; Figure 1 Fig. 5 shows a schematic diagram of the irradiation area of the first light source under the X1 view angle. DETAILED DESCRIPTION

[0025] The following describes the embodiments of the present application by specific examples, and other advantages and effects of the present application can be easily understood by those skilled in the art according to the disclosure. Although the description of the present application is introduced in combination with the preferred embodiments, it does not mean that the features of the present application are limited to the embodiments. On the contrary, the purpose of introducing the present application in combination with the embodiments is to cover other options or modifications which can be extended based on the claims of the present application. In order to provide a deep understanding of the present application, many specific details will be included in the following description. The present application can also be implemented without using these details. In addition, in order to avoid confusion or obscure the focus of the present application, some specific details will be omitted in the description. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0026] It should be noted that in the present specification, similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0027] In the description of the present embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present application is usually placed, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0028] The terms "first", "second", and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present embodiment, it should also be noted that unless otherwise explicitly specified and limited, the terms "provided", "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present embodiment can be understood according to the specific circumstances.

[0030] In order to make the purpose, technical scheme and advantages of the present application more clear, the embodiments of the present application will be further described in detail below in combination with the drawings.

[0031] As Figure 1 and Figure 2As shown, an embodiment of this utility model provides a nozzle atomization testing device, including: a detection housing 1, a nozzle 2, and an atomization particle size detection mechanism 3.

[0032] The interior of the detection housing 1 has a chamber 11.

[0033] Nozzle 2 is disposed within chamber 11, and nozzle 2 can move along a first direction (e.g. Figure 1 and Figure 2 The spray is emitted in the X direction shown in the diagram.

[0034] The atomized particle size detection mechanism 3 is located inside the chamber 11. The atomized particle size detection mechanism 3 includes a first camera 31 and a first light source 32. The shooting direction of the first camera 31 is (e.g., Figure 1 The X1 direction shown) and the emission direction of the first light source 32 (as shown) Figure 1 The X2 direction shown is consistent with Figure 1 The X-direction in the image is at a certain angle, and the X1 and X2 directions are perpendicular to each other at an intersection point located on the spray trajectory. The first light source 32 is used to illuminate the spray, and the first camera 31 is used to capture images of the spray illuminated by the first light source 32. For example, the first camera 31 is an industrial camera, and the first light source 32 is a laser light source.

[0035] In some embodiments, the nozzle atomization testing device further includes an atomization angle detection mechanism 4, which is disposed within the chamber 11. The atomization angle detection mechanism 4 includes a second camera 41 and a second light source 42, which are disposed on both sides of the spray. The shooting direction of the second camera 41 (e.g., ...) Figure 2 (shown in the Y direction) and Figure 1 The X-direction is perpendicular to the light source 42, which is used to illuminate the spray, and the second camera 41 is used to capture images of the spray illuminated by the second light source 42. For example, the second camera 41 is an industrial camera, and the second light source 42 is white light.

[0036] Furthermore, a nozzle atomization testing device also includes a control system (not shown in the figure) and a display touch screen (not shown in the figure). The first camera 31, the second camera 41, and the display touch screen are electrically connected to the control system. The control system is used to receive information output by the first camera 31 and the second camera 41, and to determine the atomization particle size and atomization angle (e.g., ...) based on the information. Figure 1The calculation of α shown is performed, and the touchscreen is used to select the parameters to be tested and display the test results. This application, by setting up a control system, can process the images captured by the first camera 31 and the second camera 41 to obtain the atomized particle size and atomization angle of the spray, and then display them on the touchscreen so that operators can view the atomization status. If the atomized particle size and atomization angle do not meet production requirements, operators can adjust the relevant spray parameters on the touchscreen to adjust the spray state. Furthermore, operators can select the data they want to detect (i.e., atomized particle size and atomization angle α) via the touchscreen.

[0037] Specifically, when performing particle size detection on the spray, the first light source 32 illuminates the spray ejected from the nozzle 2 with emitted light. For example, as... Figure 4 As shown, the region S1 between dashed lines m and n is the entire irradiated area illuminated by the light emitted from the first light source 32. Dashed lines m and n are the two contour lines of the irradiated region S1, respectively. Figure 4 The dashed frame A represents the area that the first camera 31 can capture, and this area is on the same plane as the illumination area S1. The spray trajectory can pass through the dashed frame A. The first camera 31 captures images of the dashed frame A in real time within the illumination area S1 and transmits the captured images to the control system via network cable or wirelessly. The control system uses image processing algorithms to preprocess the images captured by the first camera 31 (including image denoising, image sharpening, and image binarization) to lay the foundation for image feature extraction. Then, based on the feature information of the atomized image from nozzle 2, the particle size, particle distribution, etc., are calculated, and the obtained detection results are transmitted to the display touch screen.

[0038] When performing atomization angle detection on the spray, since the interior of the roller-type device is set to be opaque, a second light source 42 is used to create a color difference between the spray ejected from the nozzle and the interior of the roller-type device, making it easier for the second camera 41 to capture a clear image. For example, as... Figure 1 As shown, the area S enclosed by dashed lines L1 and L2 is the entire atomized area of ​​the spray emitted by nozzle 2. Dashed lines L1 and L2 are two contour lines of the atomized area S, and the angle between dashed lines L1 and L2 is the atomization angle α. The second camera 41 acquires spray images of at least a portion of the atomized area S in real time, and this portion of the atomized area must include at least a portion of dashed lines L1 and L2. The acquired spray images are transmitted to the control system via a network cable or wirelessly. Similar to the atomized particle size detection mechanism, the control system uses image processing algorithms to preprocess the images received from the second camera 41 to obtain image feature information. Then, based on the feature information of the atomized image of nozzle 2 acquired by the second camera 41, the atomization angle is calculated, and the detection result is transmitted to the display touchscreen.

[0039] Thus, by setting up atomized particle size detection mechanism and atomization angle detection mechanism inside the detection housing 1, and setting up a control system and a display touch screen to process the images acquired by the first and second cameras and display the detection results, it is convenient for staff to understand the nozzle atomization state and adjust the nozzle atomization state in a timely manner according to the detection results, thereby effectively improving the testing accuracy of the nozzle atomization effect. Moreover, the detection process of this application does not affect the actual production and processing process, thereby improving production and processing efficiency.

[0040] It should be noted that the number of first cameras 31 can be one, two, or more. Due to the uncertainty of the production environment and the varying sizes of roller-type equipment, using a single first camera 31 may result in insufficient shooting angles. Therefore, the number of first cameras 31 can be selected based on the actual production situation. If at least two first cameras 31 are selected, before performing image preprocessing on the acquired images, at least two images need to be stitched together before proceeding with subsequent operations.

[0041] Further, refer to Figure 3 The atomized particle size detection mechanism 3 is also provided with an adjustment structure 33, which is connected to the first camera 31 and the first light source 32. The adjustment structure 33 is used to adjust the position of the first camera 31 and the first light source 32.

[0042] Optionally, such as Figure 3 As shown, the adjustment structure 33 includes:

[0043] The base 331 extends along the X direction and is mounted on the detection housing 1;

[0044] The camera bracket 332 is slidably connected to the base 331, and the camera bracket 332 is used to mount the first camera 31.

[0045] One end of the crossbar 333 is connected to the top of the camera bracket 332, and the other end is connected to the first light source 32.

[0046] In some embodiments, the upper surface of the base 331 is provided with a slide rail 334 extending in the X direction, and the camera bracket 332 is able to reciprocate along the slide rail 334.

[0047] When the atomized particle size detection mechanism is installed in roller-type equipment of different sizes, the positions of the first camera 31 and the first light source 32 relative to the spray emitted from the nozzle 2 also need to be changed accordingly. Therefore, the nozzle atomization detection device of this utility model, by setting an adjustment structure 33, allows the first camera 31 to reciprocate along the slide rail 334 on the base 331 via the camera bracket 332, and the first light source 32 to move synchronously with the camera bracket 332 via the crossbar 333. When the camera bracket 332 slides along the slide rail 334, the first camera 31 and the first light source 32 can reciprocate together along the slide rail 334, so that the relative positions of the first camera 31 and the first light source 32 remain unchanged, and only the overall position is changed for roller-type equipment of different sizes, thereby improving the efficiency of production and processing.

[0048] Optionally, refer to Figure 3 A lead screw 335 extending in the X direction is provided above the slide rail 334. A drive member 336 is provided at one end of the lead screw 335 to drive the lead screw 335 to rotate. A slider 337 is provided on one side of the camera bracket 332. The slider 337 is threadedly connected to the lead screw 335 and slidably connected to the slide rail 334. Since the inside of the roller device is a closed space, it is difficult for operators to adjust the positions of the first camera 31 and the first light source 32. Therefore, this application provides a lead screw 335 on the base 331, with a drive member 336 at one end. The camera bracket 332 is threadedly connected to the lead screw 335 via the slider 337. When it is necessary to adjust the positions of the first camera 31 and the first light source 32, the drive member 336 can drive the lead screw 335 to rotate, causing the slider 337 to reciprocate along the slide rail 334, thereby moving the camera bracket 332, the first camera 31, and the first light source 32. This application, by incorporating a lead screw 335 and a drive component 336, avoids the difficulty for operators to adjust the positions of the first camera 31 and the first light source 32 within a confined space, thereby improving production efficiency. Similarly, it reduces errors that occur when operators manually adjust the positions of the first camera 31 and the first light source 32, thus improving the accuracy of nozzle atomization testing.

[0049] It should be noted that in the examples and description of this utility model, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one" does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes the element.

[0050] Although the present invention has been illustrated and described with reference to certain preferred embodiments, those skilled in the art should understand that the above description is a further detailed explanation of the present invention in conjunction with specific embodiments, and should not be construed as limiting the specific implementation of the present invention to these descriptions. Those skilled in the art can make various changes in form and detail, including some simple deductions or substitutions, without departing from the spirit and scope of the present invention.

Claims

1. A nozzle atomization testing device, characterized in that, include: The detection housing has an internal cavity; A nozzle is disposed within the chamber, and the nozzle is capable of spraying a mist along a first direction; A mist particle size detection mechanism is disposed in the chamber. The mist particle size detection mechanism includes a first camera and a first light source. The shooting direction of the first camera and the emission direction of the first light source are both at a certain angle to the first direction. The shooting direction of the first camera and the emission direction of the first light source are perpendicular to an intersection point located on the spray trajectory of the spray. The first light source is used to illuminate the spray, and the first camera is used to capture an image of the spray illuminated by the first light source.

2. The nozzle atomization testing device as described in claim 1, characterized in that, It also includes a fog angle detection mechanism, which is located in the chamber. The fog angle detection mechanism includes a second camera and a second light source. The second camera and the second light source are located on both sides of the spray. The shooting direction of the second camera is perpendicular to the first direction. The second light source is used to illuminate the spray. The second camera is used to capture an image of the spray illuminated by the second light source.

3. The nozzle atomization testing device as described in claim 2, characterized in that, The atomized particle size detection mechanism is further provided with an adjustment structure, which is connected to the first camera and the first light source. The adjustment structure is used to adjust the position of the first camera and the first light source.

4. The nozzle atomization testing device as described in claim 3, characterized in that, The adjustment structure includes: A base extending along the first direction, the base being mounted on the detection housing; A camera bracket is slidably connected to the base, and the camera bracket is used to mount the first camera; A crossbar, one end of which is connected to the top of the camera bracket, and the other end of which is connected to the first light source.

5. The nozzle atomization testing device as described in claim 4, characterized in that, The upper surface of the base is provided with a slide rail extending along the first direction, and the camera bracket is capable of reciprocating along the slide rail.

6. The nozzle atomization testing device as described in claim 5, characterized in that, A lead screw extending along the first direction is provided above the slide rail. A driving member is provided at one end of the lead screw, which is used to drive the lead screw to rotate. A slider is provided on one side of the camera bracket. The slider is threadedly connected to the lead screw and is slidably connected to the slide rail.

7. The nozzle atomization testing device as described in claim 2, characterized in that, The first light source is a laser light source, and the second light source is white light.

8. The nozzle atomization testing device as described in claim 2, characterized in that, Both the first camera and the second camera are industrial cameras.

9. The nozzle atomization testing device as described in claim 2, characterized in that, It also includes a control system and a display touch screen. The first camera, the second camera, and the display touch screen are electrically connected to the control system. The control system is used to receive image information output by the first camera and the second camera, and to calculate the atomization particle size and atomization angle based on the image information. The display touch screen is used to select the parameters to be tested and to display the test results.

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