Flow guide structure of dust concentration sensor
By setting a flow stabilizer and a flow guide trough inside the flow guide tube of the dust concentration sensor, the airflow speed is reduced and the airflow time is extended. Combined with the cleaning component to clean the dust, the problem of uneven detection caused by excessive airflow speed is solved, and the detection accuracy is improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2026-03-20
AI Technical Summary
In existing dust concentration sensors, excessively high airflow speeds during detection can lead to uneven detection, and dust can easily adhere to the pipe wall, affecting the detection results.
The flow guide tube body is equipped with a flow stabilizer plate and flow guide groove on its inner wall to reduce the airflow speed and extend the time the airflow stays in the flow guide tube. At the same time, a cleaning component is set up to remove dust and ensure detection accuracy.
The flow stabilizer and flow guide structure enable uniform gas flow and accurate detection, while the cleaning component simplifies dust removal and improves the accuracy of dust concentration detection.
Smart Images

Figure CN224019574U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to dust concentration detection technical field especially dust concentration sensor's flow guide structure. BACKGROUND
[0002] In industrial production, environmental monitoring and many other fields, the accurate detection of dust concentration is very important, in the detection process of the existing dust concentration sensor, generally through the air blower to introduce other into the flow guide pipe, when the airflow carrying dust enters the sensor detection area, through the concentration sensor main part detects, and the traditional flow guide structure when guiding airflow, gas flow rate is too fast, lead to the time of contact with the concentration sensor is short, easy to appear the phenomenon of uneven detection, and easy to appear the situation that dust is adsorbed on the pipe wall, easy to influence the detection result.
[0003] Therefore, it is necessary to provide the flow guide structure of dust concentration sensor to solve the above technical problems. CONTENT OF THE UTILITY MODEL
[0004] The utility model provides dust concentration sensor's flow guide structure, solved the problem in the prior art.
[0005] To solve the above technical problems, the flow guide structure of the dust concentration sensor provided by the utility model comprises a flow guide pipe body and a cleaning assembly, a flow stabilizing plate is arranged on the inner wall of the flow guide pipe body, a flow guide groove is formed on the surface of the flow stabilizing plate, a concentration sensor main body is installed on the top surface of the flow guide pipe body, the detection end of the concentration sensor main body extends into the flow guide pipe body, a flow guide hopper is movably installed at one end of the flow guide pipe body, and a fan is installed in the flow guide hopper. By arranging the flow stabilizing plate, the airflow entering the flow guide cylinder main body can be blocked, thereby reducing the flow rate and prolonging the time limit for the airflow to be transported in the flow guide pipe body, so that the concentration sensor main body can accurately detect the gas dust concentration. In addition, the flow guide groove is formed on the surface of each flow stabilizing plate, which facilitates the flow of gas and makes it flow uniformly into the flow guide pipe body. This method is simple to operate and can further improve the accuracy of dust concentration detection.
[0006] Preferably, the cleaning assembly is internally provided with a driving motor, and a rotating shaft is arranged at the output end of the driving motor, and a brush is arranged at the circumferential surface of the rotating shaft; by arranging the cleaning assembly, dust on the inner wall of the flow guide pipe body can be cleaned when the flow guide pipe body is not in use; when cleaning, only the driving motor in the cleaning assembly needs to be started by the control button, the driving motor drives the rotating shaft to rotate, then the rotating shaft drives the brush on the surface to rotate, then the rotating shaft is inserted into the flow guide pipe body, and then the brush cleans the dust adsorbed on the steady flow plate and the inner wall of the flow guide pipe body; it should be noted that the distance between the two opposite steady flow plates is greater than the outer diameter of the rotating shaft; in this way, the operation is simple, and the accuracy during subsequent detection is ensured.
[0007] Preferably, the circumferential surface of the flow guide pipe body is provided with rubber clamping grooves, the cleaning assembly is clamped in the rubber clamping grooves, and the clamping grooves are arranged; when the cleaning assembly is not used, the cleaning assembly can be clamped in the rubber clamping grooves, thereby improving the stability of the cleaning assembly during work.
[0008] Preferably, the steady flow plate is provided with a plurality of steady flow plates, and the plurality of steady flow plates are installed at equal distances around the inner wall of the flow guide pipe body; by arranging the plurality of steady flow plates, the gas entering the flow guide pipe body can be blocked, the time of extending in the flow guide pipe body is prolonged, and the accuracy during subsequent detection of the concentration sensor body is improved.
[0009] Preferably, the flow guide groove is provided with a plurality of flow guide grooves, and the plurality of flow guide grooves are arranged at equal distances on the surface of the steady flow plate; by arranging the plurality of flow guide grooves, the circulation of the gas is facilitated.
[0010] Preferably, the inner wall of one end of the flow guide pipe body is provided with an internal thread, and the flow guide hopper is screw-connected with the flow guide pipe body; by arranging the internal thread, the flow guide hopper and the flow guide pipe body can be quickly installed and disassembled.
[0011] Preferably, the control button is arranged on the outer surface of the cleaning assembly, the control module and the battery are arranged in the cleaning assembly, and the charging port is arranged on the surface of the cleaning assembly; by arranging the control button, the driving motor in the cleaning assembly can be controlled.
[0012] Compared with the related art, the flow guide structure of the dust concentration sensor has the following beneficial effects:
[0013] Compared with the prior art, the dust concentration sensor guide structure, by setting the flow stabilizing plate, facilitates blocking the airflow entering the guide cylinder main body, thereby reducing the flow rate, so as to prolong the time limit of the airflow conveying in the guide pipe main body, so that the concentration sensor main body can accurately detect the gas dust concentration, and the surface of each flow stabilizing plate is provided with a guide groove, which facilitates the flow of the gas and makes it flow uniformly into the guide pipe main body. This method is simple to operate and improves the accuracy of dust concentration detection. By setting the cleaning assembly, the dust on the inner wall of the guide pipe main body can be cleaned when not working. Only the internal drive motor needs to be started by the control button to drive the rotating shaft to rotate, and then the rotating shaft drives the surface brush to rotate. The rotating shaft is then inserted into the guide pipe main body, and the brush cleans the dust adsorbed on the flow stabilizing plate and the inner wall of the guide pipe main body. It should be noted that the distance between the two opposite flow stabilizing plates is greater than the outer diameter of the rotating shaft. This method is simple to operate and ensures the accuracy of subsequent detection. By setting multiple flow stabilizing plates, the gas entering the guide pipe main body is blocked, the time in the guide pipe main body is extended, and the accuracy of subsequent concentration sensor main body detection is improved.
[0014] The parts not involved in the device are the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 The structure diagram of the dust concentration sensor guide structure provided by the utility model is shown in the figure.
[0016] Figure 2 The cleaning assembly structure diagram of the dust concentration sensor guide structure provided by the utility model is shown in the figure.
[0017] Figure 3 The internal structure diagram of the dust concentration sensor guide structure provided by the utility model is shown in the figure.
[0018] Figure 4 The flow stabilizing plate structure diagram of the dust concentration sensor guide structure provided by the utility model is shown in the figure.
[0019] Figure 5 The guide groove structure diagram of the dust concentration sensor guide structure provided by the utility model is shown in the figure.
[0020] Reference numerals in the figure:
[0021] 1, guide pipe main body; 2, drainage hopper; 3, concentration sensor main body; 4, rubber slot; 5, cleaning assembly; 6, control button; 7, rotating shaft; 8, brush; 9, internal thread; 10, fan; 11, flow stabilizing plate; 12, guide groove. DETAILED DESCRIPTION
[0022] The utility model makes further illustration below combining the drawings and implementation.
[0023] First embodiment
[0024] Please combine with reference to Figures 1-5 , the dust concentration sensor's flow guide structure, including flow guide pipe main part 1 and cleaning assembly 5, the flow guide pipe main part 1 inner wall is provided with the flow stabilizer 11, the flow stabilizer 11 surface is set with flow guide groove 12, the flow guide pipe main part 1 top surface is installed with concentration sensor main part 3, the concentration sensor main part 3 detection end extends to the flow guide pipe main part 1 inside, the flow guide pipe main part 1 one end swing mounting has the drainage hopper 2, the drainage hopper 2 inside is installed with fan 10, by setting flow stabilizer 11, it is convenient to the airflow that enters the flow guide cylinder main part inside is blocked, thereby reduces its flow rate, to this to extend the time limit of airflow in flow guide pipe main part 1 inside delivery, can make concentration sensor main part 3 to the accurate detection of gas dust concentration, and every flow stabilizer 11 surface is set with flow guide groove 12, it is convenient to the flow of gas, makes it even flow to flow guide pipe main part 1 inside, this mode of operation is simple, improves the accuracy of dust concentration detection again.
[0025] The working principle of the dust concentration sensor's flow guide structure provided by the utility model is as follows:
[0026] The dust concentration sensor's flow guide structure, by setting flow stabilizer 11, it is convenient to the airflow that enters the flow guide cylinder main part inside is blocked, thereby reduces its flow rate, to this to extend the time limit of airflow in flow guide pipe main part 1 inside delivery, can make concentration sensor main part 3 to the accurate detection of gas dust concentration, and every flow stabilizer 11 surface is set with flow guide groove 12, it is convenient to the flow of gas, makes it even flow to flow guide pipe main part 1 inside, this mode of operation is simple, improves the accuracy of dust concentration detection again, by setting cleaning assembly 5, can clean the dust on the inner wall of flow guide pipe main part 1 when not working, so that when cleaning, only need to start the drive motor inside by control button 6, make drive motor drive rotating shaft 7 rotate, then rotating shaft 7 drive the surface brush 8 rotation, then make brush 8 clean the dust adsorbed on flow stabilizer 11 and flow guide pipe main part 1 inner wall, it needs to be explained that the distance between two flow stabilizers 11 of opposite faces is greater than the outside diameter of rotating shaft 7, this mode of operation is simple, guarantees the accuracy of subsequent detection, by setting multiple flow stabilizers 11, it is convenient to the gas that enters flow guide pipe main part 1 inside is blocked, extends in flow guide pipe main part 1, improves the accuracy of concentration sensor main part 3 detection when.
[0027] Compared with the related art, the dust concentration sensor's flow guide structure has the following beneficial effects:
[0028] The dust concentration sensor's flow guide structure, by setting the flow stabilizer plate 11, can block the airflow entering the flow guide cylinder main body, thereby reducing the flow rate, so as to prolong the time limit of the airflow conveying in the flow guide pipe main body 1, so that the concentration sensor main body 3 can accurately detect the gas dust concentration, and the flow guide groove 12 is arranged on the surface of each flow stabilizer plate 11, which is convenient for the flow of the gas, and the gas flows uniformly into the flow guide pipe main body 1. This way is simple to operate, and the accuracy of dust concentration detection is improved again. By setting the cleaning assembly 5, the dust on the inner wall of the flow guide pipe main body 1 can be cleaned when not working, so that only the internal drive motor needs to be started by the control button 6 during cleaning, the drive motor drives the rotating shaft 7 to rotate, and then the rotating shaft 7 drives the surface brush 8 to rotate. After that, the rotating shaft 7 is inserted into the pipe main body, and then the brush 8 cleans the dust adsorbed on the flow stabilizer plate 11 and the inner wall of the flow guide pipe main body 1. It should be noted that the distance between the two flow stabilizer plates 11 opposite each other is greater than the outer diameter of the rotating shaft 7. This way is simple to operate and ensures the accuracy of subsequent detection. By setting multiple flow stabilizer plates 11, the gas entering the flow guide pipe main body 1 can be blocked, the time in the flow guide pipe main body 1 is extended, and the accuracy of subsequent concentration sensor main body 3 detection is improved.
[0029] Second embodiment
[0030] Please refer to Figures 1-5 , based on the dust concentration sensor's flow guide structure provided by the first embodiment of the present application, the second embodiment of the present application provides another dust concentration sensor's flow guide structure. The second embodiment is only a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the separate implementation of the first embodiment.
[0031] Based on the first embodiment, refer to Figures 1-5 , the cleaning assembly 5 is internally provided with a drive motor, the drive motor output end is provided with a rotating shaft 7, and the rotating shaft 7 is provided with a brush 8 on the side surface. By setting the cleaning assembly 5, the dust on the inner wall of the flow guide pipe main body 1 can be cleaned when not working, so that only the internal drive motor needs to be started by the control button 6 during cleaning, the drive motor drives the rotating shaft 7 to rotate, and then the rotating shaft 7 drives the surface brush 8 to rotate. After that, the rotating shaft 7 is inserted into the pipe main body, and then the brush 8 cleans the dust adsorbed on the flow stabilizer plate 11 and the inner wall of the flow guide pipe main body 1. It should be noted that the distance between the two flow stabilizer plates 11 opposite each other is greater than the outer diameter of the rotating shaft 7. This way is simple to operate and ensures the accuracy of subsequent detection.
[0032] On the basis of embodiment one, referring to Figures 1-5 The rubber clamping groove 4 is provided with two groups, and the cleaning assembly 5 is clamped in the rubber clamping groove 4. By setting the clamping groove, the cleaning assembly 5 can be clamped in the rubber clamping groove 4 when not in use, thereby improving the stability of the cleaning assembly 5 during work.
[0033] On the basis of embodiment one, referring to Figures 1-5 The flow stabilizing plate 11 is provided with a plurality of flow stabilizing plates 11, which are installed at equal intervals on the inner wall of the flow guide pipe body 1. By setting the plurality of flow stabilizing plates 11, the gas entering the flow guide pipe body 1 is blocked, the time of the flow guide pipe body 1 is extended, and the accuracy of the subsequent concentration sensor body 3 detection is improved.
[0034] On the basis of embodiment one, referring to Figures 1-5 The flow guide groove 12 is provided with a plurality of flow guide grooves 12, which are provided at equal intervals on the surface of the flow stabilizing plate 11. By setting the plurality of flow guide grooves 12, the circulation of the gas is facilitated.
[0035] On the basis of embodiment one, referring to Figures 1-5 The inner thread 9 is provided on the inner wall of one end of the flow guide pipe body 1, and the flow guide hopper 2 is screw-connected with the flow guide pipe body 1. By setting the inner thread 9, the flow guide hopper 2 and the flow guide pipe body 1 are quickly installed and disassembled.
[0036] On the basis of embodiment one, referring to Figures 1-5 The control button 6 is installed on the outer surface of the cleaning assembly 5. The control module and the battery suitable for the cleaning assembly 5 are installed in the cleaning assembly 5. The charging port is installed on the surface of the cleaning assembly 5. By setting the control button 6, the driving motor in the cleaning assembly 5 is controlled. The control circuit controlled by the control button 6 can be realized by simple programming of those skilled in the art, which belongs to the common knowledge in the art. Only the use is described, without modification. Therefore, the control mode and circuit connection are not described in detail.
[0037] It should be noted that all types of components used in this application file are standard components that can be purchased on the market. The specific connection mode of each part adopts the conventional means of bolts, rivets and welding in existing technology. The mechanical, parts and electrical equipment all adopt conventional models in existing technology. The circuit connection adopts the conventional connection mode in existing technology. The electrical equipment is in communication with the external safe power supply. Hereinafter, no specific description is made.
[0038] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.
Claims
1. A flow guiding structure for a dust concentration sensor, comprising a flow guiding tube body (1) and a cleaning assembly (5), characterized in that, The inner wall of the main body (1) of the flow guide tube is provided with a flow stabilizing plate (11), and the surface of the flow stabilizing plate (11) is provided with a flow guide groove (12). The top surface of the main body (1) of the flow guide tube is provided with a concentration sensor body (3), the detection end of the concentration sensor body (3) extends into the interior of the main body (1) of the flow guide tube, and a flow guide bucket (2) is movably installed at one end of the main body (1). A fan (10) is installed inside the flow guide bucket (2).
2. The flow guiding structure of the dust concentration sensor according to claim 1, characterized in that, The cleaning component (5) is equipped with a drive motor, and the output end of the drive motor is provided with a rotating shaft (7), and the circumferential side of the rotating shaft (7) is provided with a brush (8).
3. The flow guiding structure of the dust concentration sensor according to claim 1, characterized in that, The main body (1) of the guide pipe is provided with a rubber groove (4) on its peripheral side. There are two sets of rubber grooves (4). The cleaning component (5) is snapped into the rubber groove (4).
4. The flow guiding structure of the dust concentration sensor according to claim 1, characterized in that, Multiple flow stabilizers (11) are provided, and multiple flow stabilizers (11) are installed at equal intervals around the inner wall of the guide pipe body (1).
5. The flow guiding structure of the dust concentration sensor according to claim 1, characterized in that, The flow guide groove (12) is provided in multiple ways, and the multiple flow guide grooves (12) are equally spaced on the surface of the flow stabilizer plate (11).
6. The flow guiding structure of the dust concentration sensor according to claim 1, characterized in that, The inner wall of one end of the guide tube body (1) is provided with an internal thread (9), and the guide bucket (2) is spirally connected to the guide tube body (1).
7. The flow guiding structure of the dust concentration sensor according to claim 1, characterized in that, The cleaning component (5) has a control button (6) installed on its outer surface. The cleaning component (5) has a matching control module and a battery installed inside. The cleaning component (5) has a charging port installed on its surface.