Sulfur dioxide content detection device
By adopting activated carbon filter components and pop-up design in the sulfur dioxide content detection device, the problems of poor filtration effect of existing devices and cumbersome components are solved, and higher detection accuracy and simple maintenance process are achieved.
Patent Information
- Application Number
- CN202421612384.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-09
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-09
AI Technical Summary
The existing sulfur dioxide content detection device has poor filtration effect during air detection, resulting in inaccurate measurement results and cumbersome replacement of filter components, which increases maintenance costs.
A sulfur dioxide content detection device including a filter box and a detection box is designed. The filter box is equipped with activated carbon filter components and adopts a pop-up design to facilitate and quickly replace the filter components.
Improves the accuracy and accuracy of air detection, simplifies the replacement process of filter components, reduces maintenance costs, and is designed to facilitate portability and on-site use.
Smart Images

Figure CN222866649U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of detection devices, in particular to a sulfur dioxide content detection device. Background Art
[0002] The sulfur dioxide content detection device is a device used to monitor the sulfur dioxide concentration in the environment in real time. It is widely used in many fields such as industrial emission control, environmental monitoring, and indoor air quality assessment. Therefore, it has the following shortcomings when used:
[0003] 1. Some existing sulfur dioxide content detection devices have poor filtering effects when detecting air. Dust in the air may clog or cover the sensor, resulting in inaccurate measurement results. The sensor may need to be cleaned or replaced frequently, increasing maintenance costs.
[0004] 2. At the same time, some sulfur dioxide content detection devices are more cumbersome when replacing the air filtration components, which may require more manpower and time to complete the replacement, increasing maintenance costs.
[0005] For this reason, we proposed a sulfur dioxide content detection device. Utility Model Content
[0006] The utility model aims to solve the problems existing in the prior art and proposes a sulfur dioxide content detection device.
[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0008] A sulfur dioxide content detection device, comprising:
[0009] A housing, one side of the inner bottom surface of the housing is fixedly connected to an air suction pump, the middle part of the inner bottom surface of the housing is fixedly connected to a filter box by bolts for filtering the air sucked in by the air suction pump, the other side of the inner bottom surface of the housing is fixedly connected to a detection box by bolts, the inner bottom surface of the detection box is fixedly connected to a sulfur dioxide sensor for detecting the air sucked in by the air suction pump;
[0010] A filter assembly, the filter assembly includes a plurality of mounting frames installed inside the filter box, and activated carbon is fixedly connected inside the plurality of mounting frames to filter the air to be detected to improve the detection accuracy;
[0011] A pop-up assembly includes a limit frame and a spring installed inside the filter box, the limit frame is installed on the upper and lower ends of the inner wall at the rear end of the filter box, the inner wall of the limit frame is slidably connected with a push plate, a plurality of springs are arranged inside the limit frame and the push plate, the rear end of the spring is fixedly connected to the limit frame, and the front end of the spring is fixedly connected to the push plate, so as to push the installation frame.
[0012] In a possible design, a first end cover is provided at the front end of the filter box, and the upper and lower ends of the rear end outer wall of the first end cover are fixedly connected with a plurality of second clamping blocks, the front ends of the two push plates are fixedly connected with a plurality of first clamping blocks, the second clamping blocks are snap-fitted with the front end of the mounting frame, and the first clamping blocks are snap-fitted with the rear end of the mounting frame for limiting the mounting frame, the upper and lower ends of the mounting frame are fixedly connected with sliders, the top surface and the inner bottom surface of the filter box are provided with sliding grooves, and the sliders are slidably connected inside the sliding grooves.
[0013] In a possible design, both sides of the first end cover are rotatably connected with rotating pins, and both sides of the inner wall of the front end of the filter box are provided with card slots. The rotating pins and the card slots are engaged with each other to limit the first end cover, and a first sealing ring is provided in the middle of the first end cover and the filter box.
[0014] In a possible design, the front end of the detection box is fixedly connected to the second end cover by bolts, the front end of the second end cover is rotatably connected to the cover plate, and a second sealing ring is provided in the middle of the detection box and the second end cover.
[0015] In one possible design, the air intake port of the air pump is fixedly connected to an air intake pipe, a limit block is arranged inside the air intake pipe, a filter is arranged inside the air intake pipe at the front end of the limit block, and a threaded cover is threadedly connected to the end of the air intake pipe away from the air intake pump.
[0016] In a possible design, the suction pump, the filter box and the detection box are connected by a connecting pipe, and the air outlet of the detection box passes through the detection box to the outside of the detection box and is provided with a control valve.
[0017] In a possible design, a PLC control module is fixedly connected to the upper surface of the shell, shoulder straps are fixedly connected to both sides of the shell, and a protective door is hingedly connected to the front end of the shell.
[0018] In the present application, when in use, the air pump first inhales an air sample from the environment through the air inlet pipe, and a limit block and a filter are arranged inside the air inlet pipe to protect the air pump from damage by large particles. A plurality of mounting frames are installed inside the filter box, and each mounting frame is filled with activated carbon to remove harmful substances and particles in the air and improve the detection accuracy. At the same time, the filter component adopts a pop-up design. Through the interaction of the limit frame, the spring and the push plate, it is convenient for users to quickly replace the filter component. The filtered air enters the detection box. The sulfur dioxide sensor arranged on the bottom surface of the detection box is used to detect the sulfur dioxide content in the air. The PLC control module on the upper surface of the shell is responsible for controlling the detection process and processing the signal transmitted by the sulfur dioxide sensor. The air outlet of the detection box is provided with a control valve to control the discharge of the airflow. A shoulder strap is provided on the shell 1 for easy carrying and on-site use.
[0019] In the utility model, the sulfur dioxide content detection device can protect the suction pump from being damaged by large particles by means of a limit block and a filter screen arranged inside the air intake pipe. A plurality of installation frames are installed inside the filter box, and each installation frame is filled with activated carbon to remove harmful substances and particles in the air, thereby improving the detection accuracy of the sulfur dioxide sensor.
[0020] In the utility model, the sulfur dioxide content detection device is convenient for users to quickly replace the filter assembly through the interaction between the limit frame, the spring and the push plate. The first end cover can be installed more conveniently by setting the rotating pin and the card slot, thereby reducing maintenance time and cost.
[0021] In the utility model, the shoulder strap is provided to make the device easy to carry, thereby improving the flexibility of on-site work; the first sealing ring and the second sealing ring are provided to improve the sealing performance of the filter box and the detection box, thereby improving the detection accuracy of the sulfur dioxide sensor; the simplified design of the device and the convenience of maintenance make the device have a high cost-effectiveness. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0023] Figure 1 This is a schematic diagram of a three-dimensional structure of an embodiment of the utility model;
[0024] Figure 2 It is a three-dimensional structural schematic diagram of a right side view of an embodiment of the utility model;
[0025] Figure 3 This is a schematic diagram of the explosion three-dimensional structure of an embodiment of the utility model;
[0026] Figure 4 This is a schematic diagram of the internal three-dimensional structure of the filter box according to one embodiment of the utility model;
[0027] Figure 5 This is a schematic diagram of a partial three-dimensional structure of a filter box according to an embodiment of the utility model;
[0028] Figure 6 This is a schematic diagram of the three-dimensional structure of the installation frame and activated carbon according to one embodiment of the utility model.
[0029] In the figure: 1. Shell; 2. Air suction pump; 3. Filter box; 4. Detection box; 5. Installation frame; 6. Activated carbon; 7. Slider; 8. Slide; 9. Limit frame; 10. Push plate; 11. Spring; 12. First clamping block; 13. First end cover; 14. Second clamping block; 15. Rotating pin; 16. Slot; 17. First sealing ring; 18. Sulfur dioxide sensor; 19. Second end cover; 20. Cover plate; 21. Second sealing ring; 22. Inlet pipe; 23. Limiting block; 24. Filter; 25. Threaded cover; 26. Control valve; 27. PLC control module; 28. Shoulder strap; 29. Protective door. DETAILED DESCRIPTION
[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0031] In the description of the present invention, it should be understood that the terms "opening", "upper", "middle", "length", "inside" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0032] In order to keep the following description of the embodiments of the present invention clear and concise, the present invention omits detailed descriptions of known functions and known components.
[0033] Example 1
[0034] Reference Figure 1-Figure 6 , a detection device, comprising:
[0035] A housing 1, one side of the inner bottom surface of the housing 1 is fixedly connected with an air pump 2, the middle part of the inner bottom surface of the housing 1 is fixedly connected with a filter box 3 by bolts, and is used to filter the air sucked in by the air pump 2, the other side of the inner bottom surface of the housing 1 is fixedly connected with a detection box 4 by bolts, and the inner bottom surface of the detection box 4 is fixedly connected with a sulfur dioxide sensor 18, and is used to detect the air sucked in by the air pump 2;
[0036] The filter assembly includes a plurality of mounting frames 5 mounted inside the filter box 3, and activated carbon 6 is fixedly connected inside the plurality of mounting frames 5 to filter the air to be detected to improve the detection accuracy;
[0037] The pop-up component includes a limit frame 9 and a spring 11 installed inside the filter box 3. The limit frame 9 is installed on the upper and lower ends of the inner wall of the rear end of the filter box 3. The inner wall of the limit frame 9 is slidably connected with a push plate 10. A plurality of springs 11 are arranged inside the limit frame 9 and the push plate 10. The rear end of the spring 11 is fixedly connected to the limit frame 9, and the front end of the spring 11 is fixedly connected to the push plate 10, so as to push the installation frame 5.
[0038] In the above technical solution, the air pump 2 inhales air samples from the environment through the air inlet pipe 22. A limit block 23 and a filter screen 24 are arranged inside the air inlet pipe 22 to protect the air pump from damage by large particles. A plurality of mounting frames 5 are installed inside the filter box 3. Each mounting frame is filled with activated carbon 6 for removing harmful substances and particles in the air and improving the detection accuracy. At the same time, the filter component adopts a pop-up design. Through the interaction of the limit frame 9, the spring 11 and the push plate 10, it is convenient for users to quickly replace the filter component. The filtered air enters the detection box 4. The sulfur dioxide sensor 18 arranged on the bottom surface of the detection box is used to detect the sulfur dioxide content in the air.
[0039] In one aspect of this embodiment, Figure 4 As shown, a first end cover 13 is provided at the front end of the filter box 3, and a plurality of second clamping blocks 14 are fixedly connected to the upper and lower ends of the outer wall of the rear end of the first end cover 13, and a plurality of first clamping blocks 12 are fixedly connected to the front ends of the two push plates 10, and the second clamping blocks 14 are snap-fitted with the front end of the mounting frame 5, and the first clamping blocks 12 are snap-fitted with the rear end of the mounting frame 5, and are used to limit the mounting frame 5, and a slider 7 is fixedly connected with the upper and lower ends of the mounting frame 5, and a slide groove 8 is provided on the top surface and the inner bottom surface of the filter box 3, and the slider 7 is slidably connected inside the slide groove 8.
[0040] In the above technical solution, the installation frame 5 can be easily removed by providing the slider 7 and the slide groove 8.
[0041] In one aspect of this embodiment, Figure 4As shown, both sides of the first end cover 13 are rotatably connected with rotating pins 15, and both sides of the inner wall of the front end of the filter box 3 are provided with card slots 16. The rotating pin 15 is engaged with the card slot 16 to limit the first end cover 13. A first sealing ring 17 is provided in the middle of the first end cover 13 and the filter box 3.
[0042] In the above technical solution, the rotating pin 15 and the clamping slot 16 are provided to improve the convenience of installation of the first end cover 13 and reduce the maintenance time and cost.
[0043] This application can be used in the field of sulfur dioxide content detection, and can also be used in other fields applicable to this application
[0044] Example 2
[0045] Improved on the basis of Example 1: A sulfur dioxide content detection device, which is used in the field of detection devices,
[0046] In one aspect of this embodiment, Figure 3 As shown, the front end of the detection box 4 is fixedly connected to the second end cover 19 by bolts, the front end of the second end cover 19 is rotatably connected to the cover plate 20, and the middle of the detection box 4 and the second end cover 19 is provided with a second sealing ring 21.
[0047] In the above technical solution, the sealing performance of the detection box 4 can be improved by providing the second sealing ring 21 .
[0048] In one aspect of this embodiment, Figure 3 As shown, the air intake port of the air pump 2 is fixedly connected to an air intake pipe 22, a limit block 23 is arranged inside the air intake pipe 22, a filter screen 24 is arranged inside the air intake pipe 22 at the front end of the limit block 23, and a threaded cover 25 is threadedly connected to the end of the air intake pipe 22 away from the air intake pump 2.
[0049] In the above technical solution, the limit block 23 and the filter screen 24 provided inside the air inlet pipe 22 can protect the air pump from being damaged by large particles.
[0050] In one aspect of this embodiment, Figure 2 As shown, the suction pump 2, the filter box 3 and the detection box 4 are connected by a connecting pipe, and the air outlet of the detection box 4 passes through the detection box 4 to the outside of the detection box 4 and is provided with a control valve 26.
[0051] In the above technical solution, the control valve 26 is provided to control the discharge of the airflow.
[0052] In another aspect of this embodiment, Figure 1As shown, a PLC control module 27 is fixedly connected to the upper surface of the shell 1, shoulder straps 28 are fixedly connected to both sides of the shell 1, and a protective door 29 is hingedly connected to the front end of the shell 1.
[0053] In the above technical solution, the shoulder strap 28 is provided to make the device easy to carry, thereby improving the flexibility of on-site work.
[0054] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0055] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A sulfur dioxide content detection device, characterized in that: include: A housing (1), wherein an air pump (2) is fixedly connected to one side of the inner bottom surface of the housing (1), a filter box (3) is fixedly connected to the middle of the inner bottom surface of the housing (1) by bolts, and is used to filter the air sucked in by the air pump (2), and a detection box (4) is fixedly connected to the other side of the inner bottom surface of the housing (1) by bolts, and a sulfur dioxide sensor (18) is fixedly connected to the inner bottom surface of the detection box (4), and is used to detect the air sucked in by the air pump (2); A filter assembly, the filter assembly comprising a plurality of mounting frames (5) mounted inside a filter box (3), wherein activated carbon (6) is fixedly connected inside each of the plurality of mounting frames (5) and is used to filter the air to be detected, thereby improving detection accuracy; A pop-up assembly, the pop-up assembly comprises a limit frame (9) and a spring (11) installed inside the filter box (3), the limit frame (9) being installed at the upper and lower ends of the inner wall at the rear end of the filter box (3), the inner wall of the limit frame (9) being slidably connected with a push plate (10), a plurality of springs (11) being arranged inside the limit frame (9) and the push plate (10), the rear end of the spring (11) being fixedly connected to the limit frame (9), and the front end of the spring (11) being fixedly connected to the push plate (10), for pushing the installation frame (5).
2. A sulfur dioxide content detection device as claimed in claim 1, characterized in that: The front end of the filter box (3) is provided with a first end cover (13), and the upper end and the lower end of the rear end outer wall of the first end cover (13) are fixedly connected with a plurality of second clamping blocks (14), and the front ends of the two push plates (10) are fixedly connected with a plurality of first clamping blocks (12), the second clamping blocks (14) are engaged with the front end of the installation frame (5), and the first clamping blocks (12) are engaged with the rear end of the installation frame (5) for limiting the installation frame (5), and the upper end and the lower end of the installation frame (5) are fixedly connected with a slider (7), and the top surface and the inner bottom surface of the filter box (3) are provided with a slide groove (8), and the slider (7) is slidably connected inside the slide groove (8).
3. A sulfur dioxide content detection device as claimed in claim 2, characterized in that: Both sides of the first end cover (13) are rotatably connected with a rotating pin (15), and both sides of the inner wall of the front end of the filter box (3) are provided with a clamping groove (16). The rotating pin (15) and the clamping groove (16) are engaged with each other to limit the position of the first end cover (13), and a first sealing ring (17) is provided in the middle of the first end cover (13) and the filter box (3).
4. A sulfur dioxide content detection device as claimed in claim 1, characterized in that: The front end of the detection box (4) is fixedly connected to a second end cover (19) by means of bolts, the front end of the second end cover (19) is rotatably connected to a cover plate (20), and a second sealing ring (21) is provided in the middle of the detection box (4) and the second end cover (19).
5. A sulfur dioxide content detection device as claimed in claim 1, characterized in that: The air inlet of the air suction pump (2) is fixedly connected to an air intake pipe (22), a limit block (23) is arranged inside the air intake pipe (22), a filter screen (24) is arranged inside the air intake pipe (22) at the front end of the limit block (23), and a threaded cover (25) is threadedly connected to one end of the air intake pipe (22) away from the air suction pump (2).
6. A sulfur dioxide content detection device as claimed in claim 1, characterized in that: The suction pump (2), the filter box (3) and the detection box (4) are connected via a connecting pipe; the air outlet of the detection box (4) penetrates the detection box (4) to the outside of the detection box (4) and is provided with a control valve (26).
7. A sulfur dioxide content detection device as claimed in claim 1, characterized in that: A PLC control module (27) is fixedly connected to the upper surface of the shell (1), shoulder straps (28) are fixedly connected to both sides of the shell (1), and a protective door (29) is hingedly connected to the front end of the shell (1).