Anti-shock gas sensor packaging structure
By employing a multi-layered protective structure and specific materials in the gas sensor, the problem of sensor susceptibility to damage under vibration has been solved, resulting in improved stability and accuracy, and extended service life.
Patent Information
- Application Number
- CN202423113242.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-17
AI Technical Summary
In the prior art, the packaging structure of gas sensors mainly provides good waterproof or dustproof performance, but fails to comprehensively consider various external vibration environments. In the prior art, the internal sensing components of gas sensors are easily damaged when subjected to vibration or impact.
It adopts a multi-layer protective structure consisting of a mounting plate, a packaged housing, a shockproof housing, a sealing component, a spring, and a hydraulic rod, combined with silicone rubber and polytetrafluoroethylene materials, to absorb and disperse vibration energy, ensuring the stability and sealing of the sensor.
It improves the stability and measurement accuracy of gas sensors in vibration environments, prevents the intrusion of dust, moisture and corrosive gases, reduces measurement errors and extends service life.
Smart Images
Figure CN223611479U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sensor technical field especially relates to an anti -shock type gas sensor packaging structure. BACKGROUND
[0002] Gas sensor is a kind of equipment that can detect and measure the concentration of certain gas in air, and the anti-shock type gas sensor packaging structure is a packaging structure designed for the vibration or impact encountered by gas sensor in the application process. In order to protect the internal electronic components and sensing elements of the sensor, and at the same time improve the stability, durability and reliability of the sensor. This packaging structure has important application value in some environments that need to withstand external vibration.
[0003] In the prior art, the packaging structure of part of gas sensor mainly focuses on the realization of single function such as waterproof or dustproof, without considering the influence of various external environmental factors. Although some sensors have good sealing performance and can effectively prevent the invasion of water and dust, the internal sensing components are still vulnerable to damage when facing vibration or impact. This single protection design makes the reliability of gas sensor in high vibration environment poor, which affects its service life and measurement accuracy. Therefore, an anti-shock type gas sensor packaging structure is proposed to solve the above problems. SUMMARY
[0004] The anti-shock type gas sensor packaging structure provided by the utility model aims to improve the problem that part of the device in the prior art does not prevent shock and package the sensor.
[0005] To achieve the above purpose, the utility model provides the following technical scheme:
[0006] An anti-shock type gas sensor packaging structure, comprising a mounting plate, the top of the mounting plate is fixedly connected with a packaging shell, the inside of the packaging shell is fixedly connected with a shockproof shell, the inside of the shockproof shell is fixedly connected with a sensing assembly for sensing gas changes, the top of the packaging shell is fixedly connected with a packaging cover, the inside of the packaging cover is fixedly connected with a sealing assembly for sealing, the inside of the packaging shell is fixedly connected with a fixed circular plate, the top of the fixed circular plate is fixedly connected with a spring, and the outside of the spring is fixedly connected with a hydraulic rod.
[0007] Further description of the above technical scheme:
[0008] The sensing assembly comprises a sensor body, and the outside of the sensor body is fixedly connected to the inside of the shockproof shell.
[0009] Further description of the above technical scheme:
[0010] The sealing assembly comprises a sealing ring, and the sealing ring is fixedly connected to the inside of the packaging cover.
[0011] As a further description of the above technical solution:
[0012] The top of the mounting plate is fixedly connected with a fixed block, the inside of the fixed block is threadedly connected with a bolt, and the front side of the bolt is fixedly connected with a fixed column.
[0013] As a further description of the above technical solution:
[0014] The top of the fixed block is rotationally connected with a rotating cover, and the inside of the rotating cover is rotationally connected with a rotating shaft.
[0015] As a further description of the above technical solution:
[0016] The outside of the fixed column is fixedly connected with a push plate, the bottom of the push plate is slidingly connected to the top of the mounting plate, the mounting plate is provided with a fixed plate on the side away from the bolt, and the inside of the mounting plate is provided with a plurality of mounting holes.
[0017] As a further description of the above technical solution:
[0018] The outside of the shockproof shell is fixedly connected with a shockproof layer, and the outside of the packaging cover is fixedly connected with a breathable layer.
[0019] As a further description of the above technical solution:
[0020] The bottom of the packaging shell is fixedly connected to the top of the spring, and the bottom of the packaging shell is fixedly connected to the top of the hydraulic rod.
[0021] The utility model has the advantages of the following beneficial effects:
[0022] 1、The sensor main body is placed in the shockproof shell, the outside is provided with a packaging shell, the top is provided with a packaging cover, the inside is provided with a sealing ring, the shockproof shell bottom is provided with a hydraulic rod and a spring for shock absorption, and the sensor can be prevented from direct physical damage caused by external impact or falling.
[0023] 2、The sensor placed in the packaging and shock absorption shell is placed on the mounting plate, the rotating cover is opened, the bolt is rotated, the overall structure is stably fixed, the sensor can always keep in a stable position during the working process, measurement inaccuracy caused by vibration or other physical disturbance is avoided, and detection of slight gas concentration change is particularly important. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 A three-dimensional view of an anti-shock gas sensor packaging structure according to the present application;
[0025] Figure 2 A structure schematic view of a packaging cover of an anti-shock gas sensor packaging structure according to the present application;
[0026] Figure 3 A structure schematic view of a sensor main body of an anti-shock gas sensor packaging structure according to the present application;
[0027] Figure 4 A structure schematic view of a rotating bolt of an anti-shock gas sensor packaging structure according to the present application; Figure 3
[0028] Figure 5 A structure schematic view of a shockproof layer of an anti-shock gas sensor packaging structure according to the present application.
[0029] Figure 6 A structure schematic view of a shockproof layer of an anti-shock gas sensor packaging structure according to the present application.
[0030] Legend:
[0031] 1, mounting plate; 2, packaging shell; 3, shockproof shell; 4, sensor main body; 5, packaging cover; 6, sealing ring; 7, fixed circular plate; 8, spring; 9, hydraulic rod; 10, fixed block; 11, bolt; 12, fixed column; 13, rotating cover; 14, rotating shaft; 15, push plate; 16, fixed plate; 17, mounting hole; 18, shockproof layer; 19, air-permeable layer. DETAILED DESCRIPTION
[0032] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.
[0033] Reference Figure 1 , Figure 2 , Figure 4 The utility model provides an embodiment: a kind of anti-seismic gas sensor packaging structure, including mounting plate 1, and mounting plate 1 is the basis support component of entire gas sensor packaging structure, provides stable mounting platform, and the top of mounting plate 1 is fixedly connected with packaging shell 2, and packaging shell 2 is the important structure of protection internal component, provides a closed environment to prevent external factors from affecting sensor performance, and the inside of packaging shell 2 is fixedly connected with shockproof shell 3, and the inside of shockproof shell 3 is fixedly connected with inductive component for inductive gas change, and inductive component is the core part of gas sensor, responsible for inductive gas change and output signal.Sensor main body 4 design fully considers sensitivity and stability, can respond quickly in various gas concentration changes.It is fixedly connected in the inside of shockproof shell 3 outside, ensure that it is not disturbed by external vibration in working process, improve the measurement accuracy of sensor, and inductive component includes sensor main body 4, and the outside of sensor main body 4 is fixedly connected in the inside of shockproof shell 3, and shockproof shell 3 is the key part in packaging structure, specially designed for absorbing and reducing the vibration brought by external impact.
[0034] Its inside is fixedly connected with inductive component for inductive gas change, ensure that sensor main body 4 can still work accurately in vibration environment, and the top of packaging shell 2 is fixedly connected with packaging cover 5, and the inside of packaging cover 5 is fixedly connected with sealing component for sealing, and sealing component includes sealing ring 6, and the outside of sealing ring 6 is fixedly connected in the inside of packaging cover 5, and packaging cover 5 is used to seal the top of packaging shell 2, to prevent the influence of external environment on internal component.Cover is fixedly connected with sealing component, and sealing component includes sealing ring 6, ensure that good sealability can be maintained under various environmental conditions, prevent moisture, dust etc. from entering inside, thereby protecting the normal work of inductive component, and the inside of packaging shell 2 is fixedly connected with fixed circular plate 7, and fixed circular plate 7 is located in the inside of packaging shell 2, provides additional support and stability, and the top of fixed circular plate 7 is fixedly connected with spring 8, and spring 8 plays the role of buffering and supporting, and the outside of spring 8 is fixedly connected with hydraulic rod 9, and hydraulic rod 9 works together with spring 8, to further enhance the anti-seismic performance of packaging structure.Hydraulic rod 9 can absorb and disperse impact energy through hydraulic system when subjected to external force, protect internal sensor from being damaged.The design of hydraulic rod 9 considers the smoothness and safety of operation, ensure that in various environments can reliably work.
[0035] Refer to Figure 3 , Figure 5The top of the mounting plate 1 is fixedly connected with a fixed block 10, which plays a fixing and adjusting role. The design of the fixed block 10 enables the user to conveniently adjust the installation position of the sensor, ensuring the best sensing effect. The inside of the fixed block 10 is threadedly connected with a bolt 11, which is used to connect the fixed block 10. The front side of the bolt 11 is fixedly connected with a fixed column 12, which is connected with a push plate 15 through the fixed block 10, providing stable support and guiding effect. The top of the fixed block 10 is rotatably connected with a rotating cover 13, which is rotatably connected with the fixed block 10, allowing the user to conveniently open or close when needed to adjust the position of the sensor. The inside of the rotating cover 13 is rotatably connected with a rotating shaft 14, which is responsible for connecting the rotating cover 13 and the fixed block 10, enabling the cover to rotate smoothly. The outside of the fixed column 12 is fixedly connected with the push plate 15, which is slidably connected at the top of the mounting plate 1. The bottom of the push plate 15 is slidably connected at the top of the mounting plate 1, allowing the user to adjust the installation position of the sensor by pushing. The mounting plate 1 is provided with a fixed plate 16 on the side away from the bolt 11, providing additional support and stability. The fixed plate 16 is used in conjunction with the push plate 15, which is a slidable adjustment, and the fixed plate 16 is a fixed role. The inside of the mounting plate 1 is provided with a plurality of mounting holes 17, which are convenient for mounting the mounting plate 1 at the desired position using the bolt 11.
[0036] Referring to Figure 1 , Figure 3 , Figure 6 The outside of the shockproof shell 3 is fixedly connected with a shockproof layer 18 made of silicone rubber, which has excellent elasticity and high and low temperature resistance, can effectively absorb external shocks and impacts, and its elasticity and flexibility enable the sensor to maintain stability in a vibrating environment, effectively reducing external mechanical impact on the sensor. The outside of the packaging cover 5 is fixedly connected with a breathable layer 19 made of polytetrafluoroethylene, which has excellent shock resistance and chemical resistance, and is suitable for environments that require high temperature resistance and corrosion resistance. Its flexibility makes it perform well in shock resistance, and PTFE has good gas permeability, allowing gas molecules to pass through, so that the sensor can sense changes in external gas. PTFE film is often used in the packaging of gas sensors to provide a way for gas to pass through. The bottom of the packaging shell 2 is fixedly connected to the top of the spring 8, and the bottom of the packaging shell 2 is fixedly connected to the top of the hydraulic rod 9.
[0037] Working principle: when the gas sensor is in working condition, the external gas enters the packaging shell 2 through the gas-permeable layer 19 of the packaging cover 5. The gas-permeable layer 19 is made of polytetrafluoroethylene material, which has excellent gas permeability, ensuring that gas molecules can freely enter and exit, so that the sensor body 4 can effectively sense the change of external gas. After receiving the signal of gas concentration change, the sensor body 4 inside the sensing assembly responds quickly and outputs corresponding electrical signal. At the same time, the combination of fixed circular plate 7, spring 8 and hydraulic rod 9 at the bottom of the packaging shell 2 forms an effective buffer mechanism. The spring 8 can provide elastic support and absorb part of the impact energy when subjected to external vibration. The hydraulic rod 9 further disperses and absorbs external impact through the hydraulic system, ensuring that the internal sensing assembly remains stable in a vibrating environment, reducing measurement errors caused by vibration, and the design of the shockproof shell 3 also plays a key role. The external fixed connection of the shockproof shell 3 has a shockproof layer 18 made of silicone rubber material, which has excellent elasticity and high and low temperature resistance, and can effectively absorb external vibration and impact to protect the internal sensor body 4. The internal structure of the shockproof shell 3 ensures that the sensing assembly is not disturbed by external vibration during operation, thereby improving measurement accuracy. In addition, the sealing ring 6 in the sealing assembly ensures the sealing of the packaging shell 2, preventing moisture and dust from entering the interior and protecting the normal operation of the sensor.
[0038] The entire packaging shock-absorbing device and sensor body 4 are placed on the mounting plate 1 to provide stable support, one side is connected to the fixed plate 16, and the other side is connected to the push plate 15 through the fixed column 12 connected to the front side of the bolt 11 threaded in the fixed block 10 and the external connection of the push plate 15. The sensor body 4 is adjusted and fixed by rotating the bolt 11 to push the push plate 15, and then the mounting plate 1 is installed at the position of the sensor body 4 through the mounting hole 17, realizing flexible adjustment of the sensor position and ensuring the best sensing effect. In summary, the device has multiple protection mechanisms and effective buffer devices, which not only ensure the accurate sensing of external gas changes by the gas sensor, but also enhance its shock resistance and environmental adaptability, enabling stable operation in complex and harsh environments.
[0039] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features, as long as they are within the spirit and principles of the present application. Any modification, equivalent substitution, improvement, etc. made within the scope of the present application shall be included in the protection scope of the present application.
Claims
1. A shock-resistant gas sensor package structure comprising a mounting plate (1), characterized by: The top of mounting plate (1) is fixedly connected with packaging shell (2), the inside of packaging shell (2) is fixedly connected with shockproof shell (3), the inside of shockproof shell (3) is fixedly connected with inductive assembly for inducting gas change, the top of packaging shell (2) is fixedly connected with packaging cover (5), the inside of packaging cover (5) is fixedly connected with sealing assembly for sealing, the inside of packaging shell (2) is fixedly connected with fixed circular plate (7), the top of fixed circular plate (7) is fixedly connected with spring (8), the outside of spring (8) is fixedly connected with hydraulic rod (9).
2. The shock-resistant gas sensor package structure according to claim 1, characterized by: The outside of sensor main body (4) is fixedly connected in the inside of shockproof shell (3).
3. The shock-resistant gas sensor package structure according to claim 1, wherein: The outside of sealing ring (6) is fixedly connected in the inside of packaging cover (5).
4. The shock-resistant gas sensor package structure according to claim 1, wherein: The top of mounting plate (1) is fixedly connected with fixed block (10), the inside of fixed block (10) is screw connected with bolt (11), the front side of bolt (11) is fixedly connected with fixed column (12).
5. The shock-resistant gas sensor package structure according to claim 4, wherein: The top of fixed block (10) is rotatably connected with rotary cover (13), the inside of rotary cover (13) is rotatably connected with rotary shaft (14).
6. The shock-resistant gas sensor package structure according to claim 4, wherein: The outside of fixed column (12) is fixedly connected with push plate (15), the bottom of push plate (15) is slidably connected on the top of mounting plate (1), mounting plate (1) is mounted with fixed plate (16) on the side away from bolt (11), the inside of mounting plate (1) is provided with a plurality of mounting holes (17).
7. The shock-resistant gas sensor package structure according to claim 1, wherein: The outside of shockproof shell (3) is fixedly connected with shockproof layer (18), the outside of packaging cover (5) is fixedly connected with air-permeable layer (19).
8. The shock-resistant gas sensor package structure according to claim 1, wherein: The bottom of packaging shell (2) is fixedly connected on the top of spring (8), the bottom of packaging shell (2) is fixedly connected on the top of hydraulic rod (9).