CN211955406U - Conversion device for flow-through gas detection - Google Patents
Conversion device for flow-through gas detection Download PDFInfo
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- CN211955406U CN211955406U CN202020496603.6U CN202020496603U CN211955406U CN 211955406 U CN211955406 U CN 211955406U CN 202020496603 U CN202020496603 U CN 202020496603U CN 211955406 U CN211955406 U CN 211955406U
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Abstract
The utility model discloses a conversion equipment that circulation gas detected, including the adapter main part, the sensor of setting in the adapter main part, and connect respectively in the air inlet of adapter main part and the air inlet end connector of gas outlet and the end connector of giving vent to anger, be equipped with the air cavity with the response face contact of sensor in the adapter main part, air inlet and gas outlet communicate with each other and mutually perpendicular with the air cavity respectively, wherein, the air inlet sets up in the direction that parallels with the sensor response face, it can not directly support in the response face after admitting air, the gas outlet is just to the response face, the position that its set up is equipped with first distance with the opposite face of air inlet, the position that the air inlet set up is equipped with the second distance with. The utility model discloses set up conversion equipment's air inlet and the position of gas outlet perpendicularly, make can form the air current of turning back and fill out the air cavity rapidly after being detected gaseous entering air cavity, protect the life of sensor, T90 test rising edge and decline edge time all shorten.
Description
Technical Field
The utility model relates to a gaseous technical field that detects, specific saying so relates to a conversion equipment that circulation formula is gaseous to be detected.
Background
In the market, the gas detection instrument needs to use a flow-through gas joint under the non-diffusion detection environment. Although there are many flow-through gas fittings on the market, the gas flow-through is of only two types:
1. the air inlet and the air outlet of the adapter are perpendicular to the gas contact surface of the sensor, and although the detection reaction of the sensor is fast in the gas circulation mode, the problems that the service life of the sensor is shortened due to gas impact and the falling edge time of T90 is long exist.
2. The air inlet and the air outlet of the adapter are parallel to the air contact surface of the sensor, and the problem of long time of the rising edge and the falling edge of T90 exists in the air circulation mode.
SUMMERY OF THE UTILITY MODEL
To be not enough among the prior art, the to-be-solved technical problem of the utility model lies in providing a conversion equipment that circulation gas detected, and the purpose of designing this conversion equipment is in order to make the sensor reaction fast, and protection sensor life-span, T90 test rising edge and falling edge time shorten.
In order to solve the technical problem, the utility model discloses a following scheme realizes: the utility model discloses a conversion equipment that circulation gas detected, be in including adapter main part, setting sensor in the adapter main part, and connect respectively in the air inlet of adapter main part and the inlet end connector of gas outlet and the end connector of giving vent to anger, be equipped with in the adapter main part with the air cavity of the response face contact of sensor, air inlet and gas outlet respectively with the air cavity communicates with each other and mutually perpendicular, wherein, the air inlet set up in with on the direction that the sensor response face paralleled, can not directly support after its admitting air in the response face, the gas outlet is just right the response face, its position that sets up with the opposite face of air inlet is equipped with first distance, the position that the air inlet set up with the response face is equipped with the second distance.
Further, the length of the first distance satisfies: the detected gas entering from the gas inlet is blocked by the opposite surface of the gas inlet so as to form a back-turning gas flow in the gas cavity and rapidly fill the gas cavity, so that the detected gas is fully contacted with the sensing surface, and then the detected gas flows out from the gas outlet under the action of gas pressure.
Further, the inlet end connector spiro union in the air inlet just sets up the sealing washer in spiro union department so that the inlet end connector with the adapter main part forms sealing connection.
Furthermore, the passage from the air inlet end to the air outlet end of the air inlet end joint forms a structure with a narrow outside and a wide inside.
Furthermore, the channel of the gas inlet end joint is composed of two column cavities, and the diameter of a first column cavity at the gas inlet end of the channel is smaller than that of a second column cavity at the gas outlet end of the channel.
Furthermore, the gas outlet end connector is in threaded connection with the gas outlet and a sealing ring is arranged at the threaded position of the gas outlet end connector, so that the gas outlet end connector and the adapter body form sealing connection.
Furthermore, the passage from the air inlet end to the air outlet end of the air outlet end joint forms a structure with a wide inner part and a narrow outer part.
Furthermore, the channel of the air outlet end connector consists of two parts of column cavities, and the diameter of a third column cavity at the air inlet end is larger than that of a fourth column cavity at the air outlet end.
Furthermore, the air cavity is shaped to enable the detected gas to flow in a corner mode.
Further, the shape of the air cavity at least comprises a cubic structure.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a conversion equipment that circulation formula gas detected resets the position of air inlet and gas outlet, makes to form the air current of turning back and fill rapidly after being detected gas entering air cavity the air cavity, this kind of mode can make the reaction of sensor fast, and then protects the life of sensor. The T90 test has reduced rising and falling edge times.
Drawings
Fig. 1 is a schematic structural view of the conversion device for flow-through gas detection of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making more clear and definite definitions of the protection scope of the present invention. It is obvious that the described embodiments of the invention are only some of the embodiments of the invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1: the utility model discloses a concrete structure as follows:
referring to fig. 1, the conversion device for flow-through gas detection of the present invention comprises an adapter body 4, a sensor 5 disposed on the adapter body 4, and an inlet end connector 1 and an outlet end connector 3 respectively connected to the inlet and the outlet of the adapter body 4, an air cavity 2 which is contacted with the sensing surface of the sensor 5 is arranged in the adapter body 4, the air inlet and the air outlet are respectively communicated with the air cavity 2 and are mutually vertical, wherein the air inlet is arranged in the direction parallel to the sensing surface of the sensor 5, the air inlet can not be directly propped against the sensing surface after air is fed, the air outlet is opposite to the sensing surface, the position of the air inlet is a first distance away from the opposite surface of the air inlet, the position of the air inlet is a second distance away from the induction surface, the second distance is only required to satisfy the condition that the gas to be detected entering the gas inlet cannot directly blow against the sensing surface of the sensor.
A preferred technical solution of this embodiment: the length of the first distance satisfies: the gas to be detected entering the gas inlet is blocked by the opposite surface of the gas inlet so as to form a back-turning airflow in the gas cavity 2 and quickly fill the gas cavity 2, so that the gas to be detected is fully contacted with the sensing surface, and then the gas to be detected flows out through the gas outlet under the action of gas pressure.
A preferred technical solution of this embodiment: air inlet end connector 1 spiro union in the air inlet just sets up the sealing washer in spiro union department so that air inlet end connector 1 with adapter main part 4 forms sealing connection.
A preferred technical solution of this embodiment: the passage from the air inlet end to the air outlet end of the air inlet end joint 1 forms a structure with a narrow outside and a wide inside.
A preferred technical solution of this embodiment: the channel of the air inlet end joint 1 consists of two parts of column cavities, and the diameter of a first column cavity at the air inlet end is smaller than that of a second column cavity at the air outlet end.
A preferred technical solution of this embodiment: the end connector 3 spiro union of giving vent to anger in the gas outlet just sets up the sealing washer in spiro union department so that the end connector 3 of giving vent to anger with adapter main part 4 forms sealing connection.
A preferred technical solution of this embodiment: the air outlet end connector 3 is in a structure with a wide inner part and a narrow outer part from the air inlet end to the air outlet end.
A preferred technical solution of this embodiment: the channel of the air outlet end joint 3 consists of two parts of column cavities, and the diameter of the third column cavity at the air inlet end is larger than that of the fourth column cavity at the air outlet end.
A preferred technical solution of this embodiment: the air chamber 2 is shaped to allow the flow of the gas to be detected to be angled.
A preferred technical solution of this embodiment: the shape of the air cavity 2 at least comprises a cubic structure.
Example 2:
as shown in fig. 1, fig. 1 is a schematic structural diagram of a conversion device for flow-through gas detection according to the present invention. In fig. 1, the structure of the air chamber is a cuboid structure, and the sensing surface of the sensor 5 is a gas contact surface which is arranged at the upper opening of the air chamber.
When the detected gas enters the gas cavity 2 from the gas inlet end connector 1, the detected gas is blocked by the opposite surface of the gas inlet to form a reentrant gas flow and is rapidly filled in the gas cavity 2 (such as a turning arrow in the gas cavity 2), the detected gas is rapidly filled in the gas cavity 2, the detected gas is fully contacted with the sensing surface of the sensor 5, the sensor 5 detects the gas and sends a signal to a system, and the detected gas is finally discharged along the gas outlet end connector 3.
The utility model discloses a sensor 5 reaction rate is fast, and it can not be by the gaseous direct surface contact of being detected of the just entering of air inlet, consequently, sensor 5's life-span can prolong. In the T90 test, the utility model discloses a time of T90 test rising edge and falling edge all shortens, improves T90 efficiency of software testing.
Example 3:
the utility model discloses the die cavity of air chamber is compared in the die cavity of traditional air chamber and can be reduced the volume and not influence the detection effect, and then can make whole conversion equipment's volume reduce.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (10)
1. A conversion device for flow-through gas detection comprises an adapter body (4), a sensor (5) arranged on the adapter body (4), and an air inlet end connector (1) and an air outlet end connector (3) which are respectively connected with an air inlet and an air outlet of the adapter main body (4), it is characterized in that an air cavity (2) which is contacted with the sensing surface of the sensor (5) is arranged in the adapter body (4), the air inlet and the air outlet are respectively communicated with the air cavity (2) and are vertical to each other, wherein the air inlet is arranged in the direction parallel to the sensing surface of the sensor (5), the air inlet can not be directly abutted against the induction surface after air enters the air inlet, the air outlet is opposite to the induction surface, a first distance is arranged between the position where the air inlet is arranged and the opposite surface of the air inlet, and a second distance is arranged between the position where the air inlet is arranged and the induction surface.
2. A flow-through gas detection transducer arrangement according to claim 1, wherein the first distance has a length that satisfies: the gas to be detected entering the gas inlet is blocked by the opposite surface of the gas inlet so as to form a reentry airflow in the gas cavity (2) and rapidly fill the gas cavity (2), so that the gas to be detected is fully contacted with the sensing surface, and then the gas to be detected flows out through the gas outlet under the action of gas pressure.
3. A flow-through gas detection switching device according to claim 1, wherein the inlet end fitting (1) is screwed to the inlet port and a sealing ring is provided at the screwed portion to form a sealing connection between the inlet end fitting (1) and the adapter body (4).
4. A flow-through gas detection switching device according to claim 1, wherein the passage of the inlet end fitting (1) from the inlet end to the outlet end is formed in a structure that is narrow at the outside and wide at the inside.
5. A flow-through gas detection switching device according to claim 4, wherein the inlet end fitting (1) pathway is formed by a two-part column chamber, the inlet end of which has a first column chamber diameter smaller than the outlet end of which has a second column chamber diameter.
6. A flow-through gas detection transition device according to claim 1, wherein the outlet end fitting (3) is screwed to the outlet port and a sealing ring is provided at the screwed position to make the outlet end fitting (3) form a sealing connection with the adapter body (4).
7. A flow-through gas detection transition device according to claim 1, wherein the passage from the inlet end to the outlet end of the outlet end connector (3) is formed with a structure that is wide inside and narrow outside.
8. A flow-through gas detection switching device according to claim 7, wherein the channel of the outlet end fitting (3) is formed by a two-part column chamber, and the diameter of the third column chamber at the inlet end is larger than the diameter of the fourth column chamber at the outlet end.
9. A flow-through gas detection transducer arrangement according to any one of claims 1-8, wherein the air chambers (2) are shaped to provide a corner-like flow-through of the gas to be detected.
10. A flow-through gas detection transducer device according to claim 9, wherein the shape of the gas chamber (2) comprises at least a cubic structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020496603.6U CN211955406U (en) | 2020-04-08 | 2020-04-08 | Conversion device for flow-through gas detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020496603.6U CN211955406U (en) | 2020-04-08 | 2020-04-08 | Conversion device for flow-through gas detection |
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| Publication Number | Publication Date |
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| CN211955406U true CN211955406U (en) | 2020-11-17 |
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| CN202020496603.6U Active CN211955406U (en) | 2020-04-08 | 2020-04-08 | Conversion device for flow-through gas detection |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884622A (en) * | 2021-09-17 | 2022-01-04 | 煤炭科学技术研究院有限公司 | Protective air chamber structure for sensitive element of mining sensor |
| CN114544873A (en) * | 2022-02-18 | 2022-05-27 | 天地（常州）自动化股份有限公司 | Gas probe protection structure |
| WO2023185508A1 (en) * | 2022-04-02 | 2023-10-05 | 宁德时代新能源科技股份有限公司 | Adapter, testing device, battery cell, battery, and electric device |
-
2020
- 2020-04-08 CN CN202020496603.6U patent/CN211955406U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884622A (en) * | 2021-09-17 | 2022-01-04 | 煤炭科学技术研究院有限公司 | Protective air chamber structure for sensitive element of mining sensor |
| CN113884622B (en) * | 2021-09-17 | 2023-11-10 | 煤炭科学技术研究院有限公司 | Protective air chamber structure of sensitive element of mining sensor |
| CN114544873A (en) * | 2022-02-18 | 2022-05-27 | 天地（常州）自动化股份有限公司 | Gas probe protection structure |
| CN114544873B (en) * | 2022-02-18 | 2023-08-01 | 天地（常州）自动化股份有限公司 | Gas probe protection structure |
| WO2023185508A1 (en) * | 2022-04-02 | 2023-10-05 | 宁德时代新能源科技股份有限公司 | Adapter, testing device, battery cell, battery, and electric device |
| EP4276976A4 (en) * | 2022-04-02 | 2024-06-05 | Contemporary Amperex Technology Co., Limited | Adapter, testing device, battery cell, battery, and electric device |
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