CN219369709U - Gas sensor sealed cabin - Google Patents
Gas sensor sealed cabin Download PDFInfo
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- CN219369709U CN219369709U CN202320625763.XU CN202320625763U CN219369709U CN 219369709 U CN219369709 U CN 219369709U CN 202320625763 U CN202320625763 U CN 202320625763U CN 219369709 U CN219369709 U CN 219369709U
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- sensor
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- gas sensor
- pneumatic
- cabin
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model belongs to the technical field of installation and use of gas sensors, in particular to a gas sensor sealed cabin, which aims at the problems that the existing sensor sealed cabin is various in sealing scheme, the interfaces and the fixing modes are not uniform, the sensor cannot be installed in the same mode when the gas sensor is used, and the sensor cannot be fixed and can only be suspended due to different models when the sensor needs to be replaced, so that the transportation of equipment is not facilitated, and potential safety hazards such as dropping and short circuit exist. In the utility model, two bunks are arranged, the two bunks can be used in series, and various types of gas sensors can be arranged in the sensor bunk, so that the sealing effect is good, and at most two gas sensors with the same or different types can be arranged at one time, or only one gas sensor can be arranged.
Description
Technical Field
The utility model relates to the technical field of installation and use of gas sensors, in particular to a gas sensor sealed cabin.
Background
A gas sensor capsule is a device for sealing a gas sensor. The gas sensor is a converter for converting a certain gas volume fraction into a corresponding electric signal, the detector head conditions a gas sample through the gas sensor and generally comprises a display part for filtering out impurities and interference gases and drying or refrigerating treatment instruments, and the gas sensor is a device for converting information such as components, concentration and the like of the gas into information which can be utilized by personnel, instruments, computers and the like.
However, the existing gas sensor sealing mode has the following defects in the working process:
1. in most cases, each gas sensor manufacturer has own sensor sealing scheme, and the modes are various, but the interfaces and the fixing modes are not uniform, so that a user cannot install the gas sensor in the same mode when using the gas sensor;
2. when the sensor needs to be replaced, if the sensor used before is found to be stopped, the sensor of a new manufacturer needs to be replaced, and perhaps the fixing mode of the sensor before cannot be used, so that the replaced sensor cannot be fixed and can only be placed in a suspended state, and the sensor is not beneficial to the transportation of equipment, and potential safety hazards such as falling and short circuit are also caused in the use process.
In view of the above problems, the present document proposes a gas sensor capsule.
Disclosure of Invention
The utility model provides a gas sensor sealed cabin, which solves the problems that in the prior art, under most conditions, each gas sensor manufacturer has own sensor sealing scheme, the forms are various, but the interfaces and the fixing modes are not uniform, so that a user cannot install the gas sensor in the same mode when using the gas sensor; when the sensor needs to be replaced, if the sensor used before is found to be stopped, the sensor of a new manufacturer needs to be replaced, and perhaps the fixing mode of the sensor before cannot be used, so that the replaced sensor cannot be fixed and can only be placed in a suspended state, and the sensor is not beneficial to the transportation of equipment, and the sensor has the defects of potential safety hazards such as falling and short circuit in the use process.
The utility model provides the following technical scheme:
a gas sensor capsule comprising:
the sensor cabin comprises a sensor cabin body and two gas sensors, wherein the two gas sensors are arranged in the sensor cabin body;
the cover plate fixing holes are symmetrically arranged at the bottom of the sensor cabin main body;
the M5 screw holes are symmetrically arranged and are formed in the top of the sensor cabin main body;
the pneumatic connectors are arranged in the M5 screw holes;
the plurality of pneumatic pipes are arranged on one side of the pneumatic connector;
the two PCB circuit cover plates are fixedly connected to the bottom of the sensor cabin main body through a plurality of fixing screws;
the two silica gel gaskets are arranged between the PCB circuit cover plate and one side of the sensor cabin main body, which is close to each other.
In one possible design, a spring is arranged inside the M5 screw hole, the spring is matched with the pneumatic connector and the gas sensor, and the spring is a spring with the diameter of 5.5mm, the length of 20mm and the diameter of a steel wire of 0.3 mm.
In one possible design, the pneumatic fitting is a rotatable L-shaped pneumatic elbow.
In one possible design, the sensor cabin body is made of aluminum alloy parts processed by CNC, and a plurality of sensor cabin fixing holes symmetrically arranged are formed in the tops of two sides of the sensor cabin body, and the sensor cabin fixing holes are M3 screw holes.
In one possible design, the gas sensor is a gas sensor having a diameter of less than 22mm and a height of less than 26 mm.
In one possible design, the PCB circuit cover is a 35mm diameter circular circuit board that is mated with a gas sensor.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.
In the utility model, the main body of the device is an aluminum alloy part processed by CNC, accessories are a silica gel sealing ring, a PCB circuit cover plate, a spring, a pneumatic connector, a screw and the like, wherein two mutually independent cylindrical grooves are arranged in a sensor cabin and are respectively used for placing a gas sensor, two M5 screw holes are respectively arranged at the top end of each cabin position and are used for entering and discharging detected gas, the pneumatic connector with four M5 external threads can be connected at the outer side and is used for connecting a pneumatic pipe, the connection modes can be freely combined, and each cabin position is mutually independent;
according to the utility model, two springs with the diameter of 5.5mm, the length of 20mm and the diameter of a copper wire of 0.3mm are screwed into the inner side of the screw hole, so that the sensor is propped against the top end of the sensor by the springs after being placed into a cabin, the sensor is prevented from falling down due to jolt in the transportation process of equipment, the springs are of a threaded structure, the measured gas can enter more uniformly, the measurement precision can be improved, the silica gel sealing ring is made of semitransparent silica gel, and the sensor is nontoxic, harmless and free of release, and can prevent the inferior sealing ring from releasing toxic and harmful gases and other gases to influence the data of the gas sensor;
according to the utility model, the PCB circuit cover plates are round circuit boards with the diameters of 35mm, the round circuit boards can be manufactured independently according to the shapes of pins of the sensors, after the round circuit boards are fixed by screws, the sealing rings can be clamped between the cabin position and the cover plates, the cabin position is effectively sealed, the two PCB circuit cover plates are provided with circuit board wiring, electric wires can be welded on corresponding bonding pads for data transmission, four sensor cabin fixing holes are respectively arranged at the left and right sides of the outer side of the main body of the sensor cabin, and the sensor cabin fixing holes are M3 fixing screw holes for fixing the whole body;
according to the utility model, the sensor is inversely installed under the influence of gravity in the transportation and use processes, the direction of the gravity is one side of a sensor data pin, the sensor is prevented from falling under the influence of gravity and transportation jolt, and most of use scenes are not only required to detect the content of one gas, 2 gas sensors can be placed in the device, and if the number of the gas sensors is increased, the whole device can be additionally installed and used as an installation carrier of a third gas sensor and a fourth gas sensor, so that the installation position is more flexible, and the installation quantity of the sensors is flexible and changeable;
according to the utility model, the main body of the device is an aluminum alloy part processed according to a design drawing by using a CNC process, the main body part is simple to process, the sensor is convenient to mount and replace, the pneumatic interface fitting is a standard part, the pneumatic connector with the required size can be replaced according to the use situation, and the device is more flexible to use;
the utility model provides a mounting, sealing and fixing scheme of a general gas sensor, which has two cabins in total and mutually independent, and can be used by connecting the two cabins in series, so that the gas sensor with the diameter smaller than 22mm and the height smaller than 26mm can be mounted in the sensor cabin, the sealing effect is good, and at most two gas sensors with the same or different types (such as an oxygen sensor and a carbon dioxide sensor) can be mounted at one time, or only one gas sensor can be mounted, and the general gas sensor can still be normally used.
Drawings
FIG. 1 is a schematic cross-sectional view of a gas sensor capsule according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of an explosion structure of a gas sensor capsule according to an embodiment of the present utility model;
FIG. 3 is a schematic top view of a sensor capsule body in a gas sensor capsule according to an embodiment of the present utility model;
fig. 4 is a schematic top view of a silica gel gasket in a gas sensor capsule according to an embodiment of the present utility model;
fig. 5 is a schematic diagram of an interface cover plate commonly used as a PCB circuit cover plate in a sealed cabin of a gas sensor according to an embodiment of the present utility model;
fig. 6 is a schematic diagram of another interface cover plate of a PCB circuit cover plate in a sealed cabin of a gas sensor according to an embodiment of the present utility model.
Reference numerals:
1. a sensor pod body; 2. a cover plate fixing hole; 3. m5 screw holes; 4. a sensor compartment fixing hole; 5. a pneumatic connector; 6. a pneumatic tube; 7. a silica gel pad; 8. a spring; 9. a gas sensor; 10. a PCB circuit cover plate; 11. and (5) fixing a screw.
Detailed Description
Embodiments of the present utility model will be described below with reference to the accompanying drawings in the embodiments of the present utility model.
In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled" and "mounted" should be interpreted broadly, and for example, "coupled" may or may not be detachably coupled; may be directly connected or indirectly connected through an intermediate medium. In addition, "communication" may be direct communication or may be indirect communication through an intermediary. Wherein, "fixed" means that the relative positional relationship is not changed after being connected to each other. References to orientation terms, such as "inner", "outer", "top", "bottom", etc., in the embodiments of the present utility model are merely to refer to the orientation of the drawings and, therefore, the use of orientation terms is intended to better and more clearly illustrate and understand the embodiments of the present utility model, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the embodiments of the present utility model.
In embodiments of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
In the embodiment of the present utility model, "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the utility model. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.
Example 1
Referring to fig. 1-6, a gas sensor capsule comprising:
a sensor compartment body 1 and two gas sensors 9, the two gas sensors 9 being disposed inside the sensor compartment body 1;
the cover plate fixing holes 2 are symmetrically arranged at the bottom of the sensor cabin body 1;
the M5 screw holes 3 are symmetrically arranged at the top of the sensor cabin body 1;
the pneumatic connectors 5 are arranged inside the M5 screw holes 3;
a plurality of pneumatic tubes 6, the plurality of pneumatic tubes 6 being provided at one side of the pneumatic connector 5;
the two PCB circuit cover plates 10 are fixedly connected to the bottom of the sensor cabin main body 1 through a plurality of fixing screws 11;
two silica gel gaskets 7, two silica gel gaskets 7 set up between the side that PCB circuit apron 10 and sensor cabin main part 1 are close to each other.
The main body of the device can be an aluminum alloy part processed according to a design drawing by using a CNC process, the main body part is simple to process, the sensor is convenient to install and replace, the pneumatic interface fitting is a standard part, the pneumatic connector 5 with the required size can be replaced according to the use scene, and the device has the technical effect of being more flexible to use.
Example 2
Referring to fig. 1-6, a gas sensor capsule comprising:
a sensor compartment body 1 and two gas sensors 9, the two gas sensors 9 being disposed inside the sensor compartment body 1;
the cover plate fixing holes 2 are symmetrically arranged at the bottom of the sensor cabin body 1;
the M5 screw holes 3 are symmetrically arranged at the top of the sensor cabin body 1;
the pneumatic connectors 5 are arranged inside the M5 screw holes 3;
a plurality of pneumatic tubes 6, the plurality of pneumatic tubes 6 being provided at one side of the pneumatic connector 5;
the two PCB circuit cover plates 10 are fixedly connected to the bottom of the sensor cabin main body 1 through a plurality of fixing screws 11;
two silica gel gaskets 7, two silica gel gaskets 7 set up between the side that PCB circuit apron 10 and sensor cabin main part 1 are close to each other.
The main body of the device can be an aluminum alloy part processed according to a design drawing by using a CNC process, the main body part is simple to process, the sensor is convenient to install and replace, the pneumatic interface fitting is a standard part, the pneumatic connector 5 with the required size can be replaced according to the use scene, and the device has the technical effect of being more flexible to use.
Referring to fig. 1-2, a spring 8 is arranged in the M5 screw hole 3, the spring 8 is matched with the pneumatic connector 5 and the gas sensor 9, and the spring 8 is a spring with the diameter of 5.5mm, the length of 20mm and the diameter of a steel wire of 0.3 mm.
The technical scheme can be used for supporting the gas sensor 9 after installation and stabilizing the sensor and buffering and balancing the gas, the M5 screw hole 3 has three functions, namely, the spring 8 can be screwed in to fix the spring 8, the pneumatic connector 5 can be screwed in to fix the pneumatic connector 5, and the pneumatic connector can be used as a gas transmission channel.
Referring to fig. 1-2, the pneumatic fitting 5 is a rotatable L-shaped pneumatic elbow.
The technical scheme can achieve the technical effect of adjusting the size of the plug according to the use scene.
Referring to fig. 3, the sensor capsule body 1 is made of an aluminum alloy part processed by CNC, a plurality of sensor capsule fixing holes 4 symmetrically arranged are formed in the tops of two sides of the sensor capsule body 1, and the sensor capsule fixing holes 4 are M3 screw holes.
The technical scheme can achieve the technical effects that the parts are simple to process, the gas sensor 9 is convenient to install and replace, and the sensor cabin fixing hole 4 is an M3 fixing screw hole and is used for integrally fixing.
Referring to fig. 1-2, the gas sensor 9 is a gas sensor having a diameter of less than 22mm and a height of less than 26 mm.
The size of the gas sensor 9 can be matched with the device, and the device can be suitable for the technical effects of the gas sensors 9 with different models.
Referring to fig. 5-6, pcb circuit cover 10 is a 35mm diameter circular circuit board that is mated with gas sensor 9.
The technical scheme can achieve the technical effects that the relevant data line bonding pad can be manufactured according to specific conditions, so that the relevant data line bonding pad can be matched with the gas sensor 9 for use.
However, as well known to those skilled in the art, the working principle and wiring method of the gas sensor 9 are common, and all of them are conventional means or common knowledge, and will not be described herein in detail, and any choice may be made by those skilled in the art according to their needs or convenience.
The working principle and the using flow of the technical scheme are as follows: four springs 8 are screwed into four M5 screw holes 3 of the sensor cabin main body 1 in sequence, the springs 8 are fixed, two gas sensors 9 which need to be used are welded to a matched PCB circuit cover plate 10 (such as an oxygen sensor and a carbon dioxide sensor) respectively, corresponding data communication lines are welded, the gas sensors 9 are welded, and a pneumatic connector 5 is screwed into the outer side of the M5 screw holes 3 and fastened with little force;
placing a silica gel gasket 7 at the position of a corresponding cover plate fixing hole 2 of the sensor cabin body 1, adjusting the direction, aligning screw holes, placing a welded gas sensor 9 into a bin space groove of the sensor cabin body 1, aligning the fixing screw holes of a PCB circuit cover plate 10 with the cover plate fixing hole 2 of the sensor body, fixing by four screws, inserting a pneumatic tube 6 with proper size into a pneumatic connector 5 according to a use scene, inserting the pneumatic tube 6 according to a required gas flowing direction, and installing and fixing the whole by virtue of the sensor cabin fixing hole 4 at a required position;
the device main body is an aluminum alloy part processed by CNC, accessories are a silica gel sealing ring, a PCB circuit cover plate 10, a spring 8, a pneumatic connector 5, screws and the like, wherein two mutually independent cylindrical grooves are formed in a sensor cabin and are respectively used for placing a gas sensor 9, two M5 screw holes 3 are respectively formed in the top end of each cabin position and are used for entering and discharging detected gas, the pneumatic connector 5 with four M5 external threads can be connected to the outer side and is used for connecting a pneumatic tube 6, the connection modes can be freely combined, and each cabin position is mutually independent;
two springs 8 with the diameter of 5.5mm, the length of 20mm and the copper wire diameter of 0.3mm are screwed into the inner side of the screw hole, so that the spring 8 is arranged on the top end of the sensor after the sensor is placed into a cabin, the sensor is prevented from falling down due to jolt in the transportation process of the device, the spring 8 is of a thread structure, the measured gas can enter more uniformly, the measurement precision can be improved, the silica gel sealing ring is made of semitransparent silica gel, and the sensor is nontoxic, harmless and free of release, and avoids the influence of toxic and harmful gases released by the inferior sealing ring on the data of the gas sensor 9;
the PCB circuit cover plates 10 are round circuit boards with the diameter of 35mm, can be manufactured independently according to the shapes of pins of the sensors, can tightly clamp a sealing ring between a cabin position and the cover plates after being fixed by screws, effectively seal the cabin position, are provided with circuit board wiring on the two PCB circuit cover plates 10, can weld wires to corresponding bonding pads for data transmission, and are provided with four sensor cabin fixing holes on the left side and the right side of the outer side of the sensor cabin main body 1, wherein the sensor cabin fixing holes 4 are M3 fixing screw holes for fixing the whole body;
the device considers that the sensor can be affected by gravity in the transportation and use processes, the sensor is inversely installed, the direction of the gravity is one side of a data pin of the sensor, the sensor is prevented from falling under the influence of gravity and transportation jolt, most of use scenes not only need to detect one gas content, 2 gas sensors 9 can be placed in the device, but also a device whole can be additionally installed if the number of the gas sensors is increased, and the device is used as an installation carrier of a third gas sensor 9 and a fourth gas sensor 9, so that the installation position is more flexible, and the installation quantity of the sensors is flexible and changeable;
the main part of the device is an aluminum alloy part processed according to a design drawing by using a CNC process, the main part is simple to process, the sensor is convenient to install and replace, the pneumatic interface fitting is a standard part, the pneumatic connector 5 with the required size can be replaced according to the use scene, and the device is more flexible to use.
The present utility model is not limited to the above embodiments, and any person skilled in the art can easily think about the changes or substitutions within the technical scope of the present utility model, and the changes or substitutions are intended to be covered by the scope of the present utility model; embodiments of the utility model and features of the embodiments may be combined with each other without conflict. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (6)
1. A gas sensor capsule, comprising:
a sensor cabin body (1) and two gas sensors (9), wherein the two gas sensors (9) are arranged inside the sensor cabin body (1);
the cover plate fixing holes (2) are symmetrically arranged at the bottom of the sensor cabin main body (1);
the M5 screw holes (3) are symmetrically arranged at the top of the sensor cabin main body (1);
the pneumatic connectors (5) are arranged in the M5 screw holes (3);
a plurality of pneumatic pipes (6), wherein the plurality of pneumatic pipes (6) are arranged on one side of the pneumatic connector (5);
the two PCB circuit cover plates (10) are fixedly connected to the bottom of the sensor cabin main body (1) through a plurality of fixing screws (11);
the two silica gel gaskets (7), two the silica gel gaskets (7) set up between one side that PCB circuit apron (10) and sensor cabin main part (1) are close to each other.
2. A gas sensor capsule according to claim 1, characterized in that a spring (8) is arranged inside the M5 screw hole (3), the spring (8) is matched with the pneumatic connector (5) and the gas sensor (9), and the spring (8) is a spring with a diameter of 5.5mm, a length of 20mm and a wire diameter of 0.3 mm.
3. A gas sensor capsule according to claim 2, characterized in that the pneumatic connector (5) is a rotatable L-shaped pneumatic elbow.
4. A gas sensor capsule according to any one of claims 1-3, wherein the sensor capsule body (1) is made of aluminum alloy parts processed by CNC, a plurality of symmetrically arranged sensor capsule fixing holes (4) are formed in the tops of two sides of the sensor capsule body (1), and the sensor capsule fixing holes (4) are M3 screw holes.
5. A gas sensor capsule according to claim 1, characterized in that the gas sensor (9) is a gas sensor having a diameter of less than 22mm and a height of less than 26 mm.
6. A gas sensor capsule according to claim 1, wherein the PCB circuit cover (10) is a 35mm diameter circular circuit board for the gas sensor (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320625763.XU CN219369709U (en) | 2023-03-27 | 2023-03-27 | Gas sensor sealed cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320625763.XU CN219369709U (en) | 2023-03-27 | 2023-03-27 | Gas sensor sealed cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219369709U true CN219369709U (en) | 2023-07-18 |
Family
ID=87142404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320625763.XU Active CN219369709U (en) | 2023-03-27 | 2023-03-27 | Gas sensor sealed cabin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219369709U (en) |
-
2023
- 2023-03-27 CN CN202320625763.XU patent/CN219369709U/en active Active
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