Strong wind particle concentration detection device

Abstract

The present invention relates to the field of environmental detection technology, and discloses a strong wind particle concentration detection device, including a supporting base plate, an exhaust cavity is arranged at the center of the supporting base plate through a fixed plate, the fixed plate and the exhaust cavity are connected by a rotating shaft, buffer components are arranged on the supporting base plates on the left and right sides of the fixed plate and are connected to a connecting piece, the lower end of the connecting piece is connected to an exhaust channel, the exhaust channel is connected to a power supply slot, an air collecting slot is arranged at the upper end of the connecting piece, the upper end of the air collecting slot is connected to a swing arm, the swing arm is provided with an inner cavity, and the wall surface of the swing arm is provided with an air inlet slot. The strong wind particle concentration detection device, through the setting of the swing arm and the exhaust cavity, enables the detection device to realize the detection of strong wind air pollutants, and due to the swing of the swing arm, the measuring device can contact a larger area of ​​strong wind area, the sampling range is also increased, and the detection accuracy is further improved.

Description

Technical Field

[0001] The present invention relates to the technical field of environmental detection, and in particular to a device for detecting the concentration of particles in strong winds. Background Art

[0002] An air detector is a device used to detect air quality. It can measure the concentration of various pollutants in the air, such as PM2.5, formaldehyde, TVOC, etc., to help people understand the air quality conditions indoors or outdoors. The working principle of an air detector is usually based on various sensor technologies, such as electrochemical sensors, optical sensors, etc. These sensors can identify and measure specific pollutants in the air, and then transmit the data to the display screen of the detector or related applications for users to view and analyze. There are many benefits to using an air detector. First, it can help people detect problems with indoor or outdoor air quality in a timely manner, so that they can take corresponding measures to improve them. For example, if the detector shows that the indoor formaldehyde concentration is too high, people can take measures such as ventilation and use air purifiers to reduce the formaldehyde concentration. Secondly, air detectors can also be used to monitor air quality in special environments, such as factories, hospitals, schools, etc., to ensure that the air quality in these places meets relevant standards and requirements. When choosing an air detector, you need to pay attention to some key factors. First, choose a detector with high precision and stability to ensure the accuracy of the measurement results. Secondly, consider the portability and ease of use of the detector so that it can be used conveniently in different scenarios. In addition, you also need to pay attention to the detection range and update frequency of the detector to meet specific detection needs. Air detectors are very useful tools that can help people better understand and manage air quality. With the continuous advancement of technology, the performance and functions of air detectors are also constantly improving, and in the future they will provide people with more comprehensive and accurate air quality information.

[0003] In the prior art, when the detection instrument detects strong wind air, the pollutant concentration inside the strong wind itself is unstable, and the overall strong wind pollutant concentration cannot be accurately detected. Therefore, the detection accuracy of the detection device for pollutants in strong winds is low. At the same time, due to the high wind speed of the strong wind, the detection device needs to be equipped with a suction device with greater suction force to capture the external air with a higher speed into the detection chamber of the detection instrument. After the air concentration is detected, the pollutants remaining in the instrument cannot be discharged in time, which will also affect the service life of the detection instrument. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the present invention provides a strong wind particle concentration detection device, which is capable of detecting the concentration of air pollutants in strong winds without the need for an external suction device. The detected air can be quickly discharged from the detection device in a timely manner, making it easy to replace the detection board. This solves the problem that air detection instruments are not accurate enough in detecting strong wind air, the detection instruments need to be equipped with a suction device, and the detection instruments cannot discharge the detected air in a timely manner.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose of detecting the concentration of air pollutants in strong winds, no external air suction device is required, the detected air can be quickly discharged from the detection device in time, and the detection plate is easy to replace, the present invention provides the following technical scheme: a strong wind particle concentration detection device, including a supporting base plate, an exhaust cavity is arranged at the center of the supporting base plate through a fixed plate, the fixed plate and the exhaust cavity are connected by a rotating shaft, buffer components are arranged on the supporting base plates on the left and right sides of the fixed plate and are connected to a connecting piece, the lower end of the connecting piece is connected to the exhaust channel, the exhaust channel is connected to the power slot, the lower end of the power slot is connected to the exhaust cavity, the exhaust channel is connected to the exhaust cavity after passing through the power slot, an air collecting groove is arranged at the upper end of the connecting piece, the upper end of the air collecting groove is connected to a rocking arm, the rocking arm is provided with an inner cavity, the wall of the rocking arm is provided with an air inlet groove, the bottom of the inner cavity of the rocking arm is provided with a light source reflection component, and the top of the inner cavity of the rocking arm is provided with a light source emission module.

[0008] Preferably, the light source reflection module comprises a feedback bottom plate, a connecting rod is extended outwardly from an outer wall surface of the feedback bottom plate, and a reflection cavity is arranged at an upper end of the feedback bottom plate.

[0009] Preferably, the reflection cavity comprises a cavity connected to the feedback bottom plate, and two inclined particle absorption plates are arranged at the upper end of the cavity, the upper ends of the two particle absorption plates are connected to each other, and the lower ends are respectively connected to the two side walls of the cavity.

[0010] Preferably, the light source emission module comprises an emission slot, and two emission heads are arranged on the emission slot, respectively corresponding to two particle absorption plates in the reflection cavity.

[0011] Preferably, the number of the connecting rods is at least three.

[0012] Preferably, a power supply and a detection circuit module are provided in the power slot, and the feedback base plate is connected to the circuit detection module and the power supply via a data connection line.

[0013] Preferably, there are two fixing plates, which are symmetrically arranged on the supporting base plate with the central axis of the supporting base plate as the symmetry line, and the exhaust chamber is arranged between the two fixing plates via a rotating shaft.

[0014] Preferably, the buffer assembly includes a hinge block arranged on the supporting base plate, which is connected to one end of the buffer member via the hinge block, and the other end of the buffer member is connected to the connecting member.

[0015] Preferably, the buffer is a spring structure, and the buffer is symmetrically arranged on the supporting base plate, and applies an oblique upward elastic force to the connecting member.

[0016] Preferably, the exhaust cavity is cylindrical, two cylindrical end faces are connected to the rotating shaft, and exhaust holes are arranged on the side faces of the cylinder.

[0017] (III) Beneficial effects

[0018] Compared with the prior art, the present invention provides a strong wind particle concentration detection device, which has the following beneficial effects:

[0019] 1. The strong wind particle concentration detection device, through the setting of the swing arm and the exhaust cavity, enables the detection device to realize the detection of strong wind air pollutants. The device is placed in the strong wind convection area. When the strong wind blows towards the measuring device, the single rod will swing left and right after being blown by the strong wind. Therefore, the swing arm can swing left and right with the axis of the rotating shaft as the center after the strong wind blows, so that the strong wind air can enter the cavity of the swing arm through the air intake groove set on the wall of the swing arm. Due to the continuous swinging of the swing arm, the strong wind blowing over can be stirred, so that the overall material impurity concentration of the strong wind blowing through the swing arm area is more uniform, and the material concentration inside the strong wind air entering the inner cavity of the swing arm is more in line with the overall concentration in the strong wind air, so that the detection accuracy of the detection device is more accurate. At the same time, due to the swinging of the swing arm, the measuring device can contact a larger area of ​​strong wind area, the sampling range is also expanded, and the accuracy of detection is further improved.

[0020] 2. The strong wind particle concentration detection device, through the setting of the swing arm, does not need an external suction device to blow external air into the detection cavity. Instead, the swing arm is blown by strong wind to swing. During the swinging process, the external air is wrapped into the swing arm through the air inlet groove on the swing arm. This setting is completely opposite to the way the suction device actively sucks in external air. It not only eliminates unnecessary suction devices, but also avoids the situation where the external ventilation cannot be discharged in time after the suction device blows external air in for detection through the setting of the exhaust cavity. The service life of the device can be greatly improved by timely replacement of the light source reflection component.

[0021] 3. The strong wind particle size concentration detection device, through the setting of the buffer component, ensures that when the device is blown by strong wind, the tilt angle is too large and the rocking arm will not hit the supporting bottom plate, thereby ensuring the safety and reliability of the detection device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the strong wind particle concentration detection device in the present invention;

[0023] Figure 2 It is a cross-sectional view of the strong wind particle concentration detection device of the present invention;

[0024] Figure 3 It is a front view of the strong wind particle concentration detection device of the present invention;

[0025] Figure 4 It is a schematic diagram of the three-dimensional structure of the light source reflection component of the strong wind particle concentration detection device in the present invention;

[0026] Figure 5 It is a schematic diagram of the three-dimensional structure of the swinging process of the strong wind particle concentration detection device in the present invention.

[0027] In the figure: 1-support base plate, 2-fixed plate, 3-exhaust chamber, 4-rotation axis, 5-buffer assembly, 6-light source reflection assembly, 7-gas collecting groove, 8-rocker arm, 9-light source emission module, 10-connector, 11-exhaust channel, 12-power slot, 301-exhaust hole, 501-buffer, 502-hinge block, 601-feedback base plate, 602-connecting rod, 603-reflection chamber, 6031-cavity, 6032-particle absorption plate, 801-air inlet groove, 901-emission groove, 902-emission head. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See also Figure 1-3The strong wind particle concentration detection device includes a supporting base plate 1, an exhaust cavity 3 is provided at the center of the supporting base plate 1 through a fixed plate 2, the fixed plate 2 and the exhaust cavity 3 are connected by a rotating shaft 4, and buffer components 5 are provided on the supporting base plate 1 on the left and right sides of the fixed plate 2 and are connected to a connecting piece 10, the lower end of the connecting piece 10 is connected to an exhaust channel 11, the exhaust channel 11 is connected to a power slot 12, the lower end of the power slot 12 is connected to the exhaust cavity 3, and the exhaust channel 11 is connected to the exhaust cavity 3 after passing through the power slot 12, and an air collecting groove 7 is provided at the upper end of the connecting piece 10, and the upper end of the air collecting groove 7 is connected to a rocking arm 8, the rocking arm 8 is provided with an inner cavity, and an air inlet groove 801 is provided on the wall of the rocking arm 8, a light source reflecting component 6 is provided at the bottom of the inner cavity of the rocking arm 8, and a light source emitting module 9 is provided at the top of the inner cavity of the rocking arm 8.

[0030] The support base plate 1 serves as the foundation of the entire device and firmly supports other components. The fixed plate 2 is installed at the center of the support base plate 1 and is connected to the exhaust chamber 3 through the rotating shaft 4, so that the exhaust chamber 3 can rotate around the rotating shaft 4. Buffer components 5 are installed on the support base plate 1 on the left and right sides of the fixed plate 2. The buffer components 5 are connected to the connecting piece 10 to reduce the impact and vibration of the rocking arm 8 under the action of strong wind. The lower end of the connecting piece 10 is connected to the exhaust channel 11, and the exhaust channel 11 is connected to the exhaust chamber 3 after passing through the power slot 12, forming a complete exhaust system. An air collecting groove 7 is provided at the upper end of the connecting piece 10 to collect the air entering through the rocking arm 8. The rocking arm 8 is the core component of the device, and its wall surface is provided with an air inlet groove 801 for inhaling air under the action of strong wind. A light source reflection component 6 is installed at the bottom of the inner cavity of the rocking arm 8, and a light source emission module 9 is installed at the top.

[0031] When using the strong wind particle concentration detection device, first place it in a strong wind convection area. When strong wind blows towards the device, the rocking arm 8 begins to swing under the action of wind force, and air is entrained through the air inlet slot 801. The entrained air enters the inner cavity of the rocking arm 8 through the air collecting slot 7, and at the same time, the light source emitting module 9 emits a light source to illuminate the particle absorption plate 6032 at the bottom of the inner cavity of the rocking arm 8. The particles on the particle absorption plate 6032 will reflect the light source, and the reflected light source is received by the light source reflection component 6.

[0032] The working principle of the device is based on the reflection of light and the absorption characteristics of light by particles. When the concentration of particles in the air is high, the particles on the particle absorption plate 6032 increase, resulting in a decrease in the amount of reflected light source. Conversely, when the concentration of particles in the air is low, the amount of reflected light source is greater. By detecting the change in the amount of reflected light source, the concentration of particles in the air can be inferred. At the same time, the presence of the buffer component 5 can effectively reduce the vibration and impact of the rocking arm 8 under strong winds, ensuring the stability and measurement accuracy of the device. The exhaust chamber 3 and the exhaust channel 11 are responsible for discharging the measured air to avoid affecting the measurement results.

[0033] The device can monitor the concentration of particulate matter in the strong wind convection area in real time, providing important data for environmental monitoring and air quality assessment. Secondly, the device adopts the design of the rocker bar 8 and the air inlet slot 801, which can fully stir the incoming air and make the measurement result more accurate. In addition, the addition of the buffer component 5 improves the stability and durability of the device, so that it can work normally in harsh environments. Finally, the device has a simple structure and is easy to operate, which is suitable for particle concentration detection in various scenarios.

[0034] The light source emitting module 9 includes an emitting slot 802 , on which two emitting heads 803 are disposed, corresponding to two particle absorption plates 6032 in the reflection cavity 603 , respectively.

[0035] Two transmitter heads 803 are provided to correspond to the two particle absorption plates 6032 in the reflection cavity 603, respectively, so as to realize synchronous illumination of the two particle absorption plates 6032. Such a design not only improves the efficiency of measurement, but also ensures that the particles on the two particle absorption plates 6032 are subjected to the same illumination conditions, thereby eliminating the error caused by uneven illumination and making the measurement results more accurate and reliable. The provision of two transmitter heads 803 enhances the stability and reliability of the device. Even if one of the transmitter heads 803 fails or its performance degrades, the other transmitter head 803 can still work normally, ensuring the continuity and stability of the measurement work. This redundant design reduces the risk of overall failure of the device due to failure of a single component. The design of the two transmitter heads 803 can also be used to cross-validate the measurement results. By comparing the amount of light reflected back after illumination by the two transmitter heads 803, the accuracy and consistency of the measurement results can be further verified. If there is a large difference in the measurement results of the two transmitter heads 803, it may mean that there is some problem or error in the device, and further inspection and calibration are required.

[0036] The power slot 12 is provided with a power supply and a detection circuit module, and the feedback base plate 601 is connected to the circuit detection module and the power supply through a data connection line.

[0037] The built-in power supply provides a stable power supply for the entire device, ensuring that the device can work continuously and stably in areas with strong wind convection. This built-in power supply design not only facilitates the use and deployment of the device, but also avoids the situation where the measurement results are affected by unstable or interrupted external power supply.

[0038] The buffer assembly 5 includes a hinge block 502 disposed on the support base plate 1, which is connected to one end of a buffer member 501 through the hinge block 502, and the other end of the buffer member 501 is connected to the connecting member 10. The buffer member 501 is a spring structure, and the buffer member 501 is symmetrically disposed on the support base plate 1, and applies an oblique upward elastic force to the connecting member 10.

[0039] The presence of the buffer component 5 extends the service life of the device. In a strong wind environment, without the protection of the buffer component 5, the rocking arm 8 and the connecting member 10 may be damaged due to frequent vibration and impact. The buffer component 5 can effectively reduce the risk of such damage, so that the device can work stably for a long time in a harsh environment. Specifically, the buffer 501 adopts a spring structure and is symmetrically arranged on the supporting base plate 1. This design not only ensures the stability of the device, but also ensures that under strong winds, the rocking arm 8 can swing smoothly without excessive resistance. The buffer 501 with a spring structure can apply an upward oblique elastic force to the connecting member 10. This elastic force not only helps to reduce the vibration of the rocking arm 8, but also helps the rocking arm 8 to return to its initial position to a certain extent, thereby improving the response speed and measurement accuracy of the device.

[0040] See also Figure 4 The light source reflection module includes a feedback bottom plate 601, a connecting rod 602 extends outward from the outer wall of the feedback bottom plate 601, and a reflection cavity 603 is arranged at the upper end of the feedback bottom plate 601. The reflection cavity 603 includes a cavity 6031 connected to the feedback bottom plate 601, and two inclined particle absorption plates 6032 are arranged at the upper end of the cavity 6031. The upper ends of the two particle absorption plates 6032 are connected to each other, and the lower ends are respectively connected to the two side walls of the cavity 6031. The number of the connecting rods 602 is at least three.

[0041] The feedback base plate 601 is firmly connected to other components through the connecting rod 602, which ensures the stability of the entire module and can maintain normal operation even in a strong wind environment. The inclined particle absorption plate 6032 design can capture particles more effectively, reduce interference with light source reflection, and thus improve measurement accuracy. The module design is simple and clear, easy to manufacture and maintain, and reduces production costs and maintenance difficulties.

[0042] See also Figure 5The exhaust chamber 3 is cylindrical, and the two cylindrical end faces are connected to the rotating shaft 4. The side of the cylinder is provided with exhaust holes 301. There are two fixing plates 2, which are symmetrically arranged on the supporting bottom plate 1 with the central axis of the supporting bottom plate 1 as the symmetry line. The exhaust chamber 3 is arranged between the two fixing plates 2 through the rotating shaft 4.

[0043] The exhaust chamber 3 is designed to be cylindrical, which is conducive to the smooth discharge of airflow, reduces resistance, and thus improves the ventilation efficiency of the device. The two end faces of the cylindrical exhaust chamber 3 are connected to the rotating shaft 4, which allows the exhaust chamber 3 to rotate around the rotating shaft 4, increasing the flexibility and adaptability of the device. In addition, the exhaust holes 301 set on the side of the cylinder can effectively discharge the detected air, avoid the retention of air inside the device, and ensure the accuracy of the test results. The design of the cylindrical exhaust chamber 3 and the exhaust holes 301 can effectively discharge the detected air, reduce the retention of air inside the device, and thus improve the ventilation efficiency. The two symmetrically arranged fixing plates 2 and the connection method of the exhaust chamber 3 and the rotating shaft 4 make the entire device structure stable and can maintain a stable working state in a strong wind environment. The exhaust chamber 3 can rotate around the rotating shaft 4, which enables the device to adapt to different working environments and detection requirements, and improves the flexibility and practicality of the device.

[0044] Working principle: When using the device to detect the concentration of strong wind air, place the device in the strong wind convection area. When strong wind blows towards the measuring device, the single rod will swing left and right after being blown by the strong wind. Therefore, the swing arm 8 can swing left and right with the axis of the rotating shaft 4 as the center after the strong wind blows, so that the strong wind air can enter the cavity 6031 of the swing arm 8 through the air inlet groove 801 set on the wall of the swing arm 8. Since the swing arm 8 is constantly swinging, the strong wind blowing over can be stirred, so that the overall material impurity concentration of the strong wind blowing through the swing arm 8 area is more uniform. During the swinging of the swing arm 8, the external air is wrapped into the inner cavity of the swing arm 8 through the air inlet groove 801, and the wrapped air moves downward to the bottom of the swing arm 8, and the particles in the air are adsorbed on the particle absorption plate 6032 through the particle absorption plate 6032. The transmitting head 803 above the particle absorption plate 6032 irradiates the light source on the particle absorption plate 6032, and then reflects the light source on the feedback bottom plate 601. Since the reflectivity of the particle absorption plate 6032 decreases after absorbing impurities, the concentration of pollutants in the air can be judged by comparing the amount of reflected light source.

[0045] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A strong wind particle concentration detection device, comprising a supporting base plate (1), wherein an exhaust cavity (3) is arranged at the center of the supporting base plate (1) through a fixed plate (2), the fixed plate (2) and the exhaust cavity (3) are connected through a rotating shaft (4), and buffer components (5) are arranged on the supporting base plates (1) on the left and right sides of the fixed plate (2), and the buffer components (5) are connected to a connecting member (10), characterized in that: The lower end of the connecting member (10) is connected to the exhaust channel (11), the exhaust channel (11) is connected to the power slot (12), the lower end of the power slot (12) is connected to the exhaust chamber (3), the exhaust channel (11) is connected to the exhaust chamber (3) after passing through the power slot (12), the upper end of the connecting member (10) is provided with an air collecting groove (7), the upper end of the air collecting groove (7) is connected to the rocking arm (8), the rocking arm (8) is provided with an inner cavity, the wall surface of the rocking arm (8) is provided with an air inlet groove (801), the bottom of the inner cavity of the rocking arm (8) is provided with a light source reflection component (6), and the top of the inner cavity of the rocking arm (8) is provided with a light source emission module (9).

2. The strong wind particle concentration detection device according to claim 1 is characterized in that: The light source reflection module comprises a feedback bottom plate (601), a connecting rod (602) extending outwardly from the outer wall surface of the feedback bottom plate (601), and a reflection cavity (603) is arranged at the upper end of the feedback bottom plate (601).

3. The strong wind particle concentration detection device according to claim 2 is characterized in that: The reflection cavity (603) comprises a cavity (6031) connected to the feedback bottom plate (601), and two inclined particle absorption plates (6032) are arranged at the upper end of the cavity (6031). The upper ends of the two particle absorption plates (6032) are connected to each other, and the lower ends are respectively connected to the two side walls of the cavity (6031).

4. The strong wind particle concentration detection device according to claim 1 is characterized in that: The light source emission module (9) comprises an emission slot (901), and two emission heads (902) are arranged on the emission slot (901), respectively corresponding to two particle absorption plates (6032) in the reflection cavity (603).

5. The strong wind particle concentration detection device according to claim 2 is characterized in that: The number of the connecting rods (602) is at least three.

6. The strong wind particle concentration detection device according to claim 2 is characterized in that: The power slot (12) is provided with a power supply and a detection circuit module, and the feedback base plate (601) is connected to the circuit detection module and the power supply via a data connection line.

7. The strong wind particle concentration detection device according to claim 1 is characterized in that: There are two fixed plates (2) which are symmetrically arranged on the supporting base plate (1) with the central axis of the supporting base plate (1) as the symmetry line, and the exhaust chamber (3) is arranged between the two fixed plates (2) via a rotating shaft (4).

8. The strong wind particle concentration detection device according to claim 1 is characterized in that: The buffer assembly (5) comprises a hinge block (502) arranged on the supporting base plate (1), which is connected to one end of a buffer component (501) via the hinge block (502), and the other end of the buffer component (501) is connected to a connecting component (10).

9. The strong wind particle concentration detection device according to claim 8, characterized in that: The buffer component (501) is a spring structure, and the buffer component (501) is symmetrically arranged on the supporting base plate (1) and applies an oblique upward elastic force to the connecting component (10).

10. The strong wind particle concentration detection device according to claim 1, characterized in that: The exhaust chamber (3) is cylindrical, the two cylindrical end surfaces are connected to the rotating shaft (4), and exhaust holes (301) are provided on the side surfaces of the cylinder.

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