Sampling equipment for testing concentration of particulate matters in exhaust gas of stationary pollution source
By designing a sampling device including device frame, bar plate, connecting frame, connecting rod and shield, the problem of easy damage to rubber plugs in the prior art is solved, and the sampling accuracy and equipment stability are improved.
Patent Information
- Application Number
- CN202421261026.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-04
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-06-04
AI Technical Summary
During frequent use of existing particulate concentration sampling equipment, the rubber plug is prone to breakage and fall, resulting in inaccurate sampling and equipment failure.
A sampling device including device frame, bar plate, connecting frame, connecting rod and shield plate is designed. Through sliding connection and gear tooth block mechanism, effective shielding and ventilation of shield plates are achieved, and the direct use of rubber plugs is avoided.
Effectively prevent dust from entering the connection port, avoid damage to the rubber plug, and ensure sampling accuracy and long-term stable operation of the equipment.
Smart Images
Figure CN222774347U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of air sampling, in particular to a sampling device for testing the concentration of particulate matter in the exhaust gas of a fixed pollution source. Background Art
[0002] Fixed pollution sources usually refer to places, equipment and devices that emit or release harmful substances into the environment or have harmful effects on the environment. Air pollution sources include fixed pollution sources and mobile pollution sources. Fixed pollution sources are divided into organized emission sources and unorganized emission sources. Organized emission sources refer to flues, chimneys and exhaust pipes, etc.; the exhaust gas they emit contains both solid smoke and dust, as well as a variety of harmful substances in gaseous and aerosol states. In order to detect the concentration of suspended particles in the air, it is necessary to use sampling equipment to sample and analyze the particle concentration and particle size distribution in the air.
[0003] In the commonly used particle concentration sampling equipment, the sampling tube at the bottom of the divider is sealed with a rubber plug at the connection with the equipment body. When using the equipment, the rubber plug needs to be frequently removed, and long-term operation can easily cause the rubber plug to break and fall off. Therefore, a sampling equipment for testing the particle concentration in the exhaust gas of a fixed pollution source is proposed. Utility Model Content
[0004] In view of the deficiencies of the prior art, the utility model provides a sampling device for testing the concentration of particulate matter in exhaust gas from a fixed pollution source, which solves the problems raised by the above-mentioned background technology.
[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a sampling device for testing the concentration of particulate matter in the exhaust gas of a fixed pollution source, comprising: a device body, a strip plate, a connecting block, a connecting frame, a connecting rod, a baffle and a device frame, the device frame is symmetrically installed on the device body, the tops of two groups of the device frames are slidably connected with strip plates, the tops of one ends of the two groups of the strip plates are installed with connecting blocks, the tops of the two connecting blocks are installed with connecting frames, the tops of the two connecting frames are slidably connected with connecting rods, and the tops of the two connecting rods are installed with baffles.
[0006] As a further technical solution of the present invention, a touch screen is arranged on the front of the device body, and a button is arranged on the front of the device body and on one side of the touch screen, and a connection port is installed on one side of the top of the device body.
[0007] As a further technical solution of the present invention, a handle is installed on the other side of the top of the device body, a sampling tube is provided at the connection port, a cutter is installed at the top of the sampling tube, and heat dissipation ports are provided on both sides of the device body, and the heat dissipation ports are located in the middle position of the device frame.
[0008] As a further technical solution of the utility model, eight rotating shafts are symmetrically arranged inside the two device frames, four shielding plates are installed between the eight rotating shafts, the eight rotating shafts are rotatably connected to the device frames, and one end of the four rotating shafts is located inside the top of the device frame.
[0009] As a further technical solution of the utility model, a gear is installed at one end of the four rotating shafts, and tooth blocks are evenly installed on one side of the strip plate close to the gear, and the tooth blocks are meshed with the gears.
[0010] As a further technical solution of the utility model, the top ends of the two connecting frames are provided with sliding holes adapted to the connecting rods, the connecting rods pass through the top ends of the connecting frames, and partitions are installed at the bottoms of the connecting rods, and limit blocks are symmetrically installed on the partitions.
[0011] As a further technical solution of the utility model, the two connection frames are symmetrically provided with sliding grooves adapted to the limit blocks, and the two connection rods are sleeved with springs, which are located on the top of the partition.
[0012] The utility model provides a sampling device for testing the concentration of particulate matter in the exhaust gas of a fixed pollution source, which has the following beneficial effects compared with the prior art:
[0013] 1. This design is a sampling device for testing the concentration of particulate matter in the exhaust gas of a fixed pollution source. The device frame, strip plate, connecting frame, connecting rod and shielding plate are set. The shielding plate is used to shield the connecting port to prevent dust from entering the connecting port when not in use. When in use, the connecting rod slides upward on the connecting frame, and the strip plate moves inside the device frame to separate the shielding plate from the connecting port, making it easy to move the shielding plate at the connecting port and not easily damaged.
[0014] 2. The present invention is a sampling device for testing the concentration of particulate matter in the exhaust gas of a fixed pollution source. The shielding plates are used to shield the heat dissipation ports on both sides of the device body through the provided strip plates, tooth blocks, gears, device frames and shielding plates. When the device body is not in use, the shielding plates shield the heat dissipation ports to prevent dust from entering. When the device body is in use, the shielding plates are removed at the connection ports. When the strip plates slide, the tooth blocks drive the gears to rotate. The rotation of the gears drives the shielding plates to rotate and tilt together through the rotating shaft. There are gaps between the shielding plates, and the heat dissipation ports can be ventilated to allow the device body to dissipate heat. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of a sampling device for testing the concentration of particulate matter in the exhaust gas of a fixed pollution source;
[0016] Figure 2 The figure is a side view of the overall structure of a sampling device for testing the concentration of particulate matter in the exhaust gas of a fixed pollution source;
[0017] Figure 3 A schematic diagram of a device frame structure of a sampling device for testing the concentration of particulate matter in exhaust gas from a fixed pollution source;
[0018] Figure 4 It is a sampling device for testing the concentration of particulate matter in the exhaust gas of fixed pollution sources. Figure 2 Enlarged view of point A in the middle.
[0019] In the figure: 1. Equipment body; 2. Touch screen; 3. Button; 4. Handle; 5. Cutter; 6. Sampling tube; 7. Connecting port; 8. Rotating shaft; 9. Strip plate; 10. Tooth block; 11. Gear; 12. Connecting block; 13. Connecting frame; 14. Connecting rod; 15. Shielding plate; 16. Partition; 17. Spring; 18. Device frame; 19. Shielding sheet. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0021] See also Figure 1-4 The utility model provides a technical solution for sampling equipment for testing the concentration of particulate matter in the exhaust gas of a fixed pollution source, comprising: an equipment body 1, a strip plate 9, a connecting block 12, a connecting frame 13, a connecting rod 14, a shielding plate 15 and a device frame 18. The device frame 18 is symmetrically installed on the equipment body 1, and the tops of two groups of device frames 18 are slidably connected with the strip plates 9, and the tops of one ends of the two groups of strip plates 9 are installed with connecting blocks 12, and the tops of the two connecting blocks 12 are installed with connecting frames 13, and the tops of the two connecting frames 13 are slidably connected with the connecting rod 14, and the tops of the two connecting rods 14 are installed with shielding plates 15, which shield the connecting port 7. When in use, the shielding plate 15 is moved away at the connecting port 7, and the sampling tube 6 is inserted into the connecting port 7.
[0022] like Figure 1 and Figure 2 As shown, a touch screen 2 is provided on the front of the device body 1, and a button 3 is provided on the front of the device body 1 and on one side of the touch screen 2, a connection port 7 is installed on one side of the top of the device body 1, a handle 4 is installed on the other side of the top of the device body 1, a sampling tube 6 is provided at the connection port 7, a cutter 5 is installed on the top of the sampling tube 6, heat dissipation ports are provided on both sides of the device body 1, the heat dissipation ports are located in the middle position of the device frame 18, and the cutters 5 are PM10 and PM2.5 from top to bottom.
[0023] like Figure 3 and Figure 4 As shown, eight rotating shafts 8 are symmetrically arranged inside the two device frames 18, four shielding plates 19 are installed between the eight rotating shafts 8, the eight rotating shafts 8 are rotatably connected to the device frame 18, one end of the four rotating shafts 8 is located inside the top of the device frame 18, one end of the four rotating shafts 8 is installed with a gear 11, and a tooth block 10 is evenly installed on the side of the strip plate 9 close to the gear 11, and the tooth block 10 is meshed with the gear 11. The top of the two connecting frames 13 is provided with a sliding hole adapted to the connecting rod 14, the connecting rod 14 passes through the top of the connecting frame 13, and a partition 16 is installed at the bottom of the connecting rod 14, and a limit block is symmetrically installed on the partition 16 , the two connecting frames 13 are symmetrically provided with sliding grooves adapted to the limit blocks, the two connecting rods 14 are sleeved with springs 17, the springs 17 are located at the top of the partition 16, the strip plate 9 slides on the top of the device frame 18, the tooth block 10 drives the gear 11 to rotate, the gear 11 drives the shielding plate 19 to rotate through the rotating shaft 8, the shielding plates 19 are no longer fitted to each other, so that the heat dissipation port can be ventilated for heat dissipation, when the connecting rod 14 is pulled upward, the partition 16 slides in the connecting frame 13, the partition 16 squeezes the spring 17, and the elastic force of the spring 17 makes the shielding plate 15 press against the top of the connecting port 7, or press against the top of the device body 1.
[0024] The working principle of the utility model is as follows: the connecting rod 14 is pulled upward, the connecting rod 14 slides on the connecting frame 13, the shielding plate 15 is moved upward, the partition 16 slides inside the connecting frame 13, the partition 16 squeezes the spring 17, and the shielding plate 15 is moved close to the front of the equipment body 1, the strip plate 9 slides on the top of the device frame 18, the tooth block 10 on the strip plate 9 is engaged with the four gears 11, driving the four gears 11 to rotate, and the four gears 11 drive the shielding plate 19 to rotate and tilt through the rotating shaft 8, the shielding plate 19 is no longer fitted, and there is a gap between them, the heat dissipation port is ventilated, and the equipment body 1 is convenient for heat dissipation, the shielding plate 15 is separated from the connecting port 7, the shielding plate 15 is loosened, and through the elastic force of the spring 17, the shielding plate 15 is placed close to the top of the equipment body 1, and the sampling tube 6 is inserted into the connecting port 7.
[0025] The above is only a preferred embodiment of the present invention. It should be noted that, for ordinary technicians in the technical field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the field unless otherwise specified and limited.
Claims
1. A sampling device for testing the concentration of particulate matter in the exhaust gas of a fixed pollution source, characterized in that: include: The device body (1), a strip plate (9), a connecting block (12), a connecting frame (13), a connecting rod (14), a shielding plate (15) and a device frame (18), wherein the device frame (18) is symmetrically mounted on the device body (1), the tops of two groups of the device frames (18) are slidably connected to the strip plates (9), the tops of one ends of the two groups of the strip plates (9) are equipped with connecting blocks (12), the tops of the two connecting blocks (12) are equipped with connecting frames (13), the tops of the two connecting frames (13) are slidably connected to the connecting rods (14), and the shielding plates (15) are mounted on the tops of the two connecting rods (14).
2. A sampling device for testing the concentration of particulate matter in exhaust gas from a fixed pollution source according to claim 1, characterized in that: A touch screen (2) is arranged on the front of the device body (1), and a button (3) is arranged on the front of the device body (1) and on one side of the touch screen (2), and a connection port (7) is installed on one side of the top of the device body (1).
3. A sampling device for testing the concentration of particulate matter in exhaust gas from a fixed pollution source according to claim 2, characterized in that: A handle (4) is installed on the other side of the top of the device body (1), a sampling tube (6) is arranged at the connection port (7), a cutter (5) is installed at the top of the sampling tube (6), and heat dissipation ports are arranged on both sides of the device body (1), and the heat dissipation ports are located in the middle of the device frame (18).
4. A sampling device for testing the concentration of particulate matter in exhaust gas from a fixed pollution source according to claim 1, characterized in that: Eight rotating shafts (8) are symmetrically arranged inside the two device frames (18), four shielding plates (19) are installed between the eight rotating shafts (8), the eight rotating shafts (8) are rotatably connected to the device frames (18), and one end of the four rotating shafts (8) is located inside the top of the device frame (18).
5. A sampling device for testing the concentration of particulate matter in exhaust gas from a fixed pollution source according to claim 4, characterized in that: One end of each of the four rotating shafts (8) is equipped with a gear (11), and a tooth block (10) is evenly installed on one side of the strip plate (9) close to the gear (11), and the tooth block (10) is meshed with the gear (11).
6. A sampling device for testing the concentration of particulate matter in exhaust gas from a fixed pollution source according to claim 1, characterized in that: The top ends of the two connection frames (13) are each provided with a sliding hole adapted to the connection rod (14); the connection rod (14) passes through the top ends of the connection frames (13); and a partition (16) is installed at the bottom of the connection rod (14); and a limit block is symmetrically installed on the partition (16).
7. The sampling device for testing the concentration of particulate matter in the exhaust gas of a fixed pollution source according to claim 1 is characterized in that: The two connection frames (13) are symmetrically provided with sliding grooves adapted to the limit blocks, and the two connection rods (14) are sleeved with springs (17), which are located on the top of the partition (16).