CN218937433U

CN218937433U - Pipeline sensor

Info

Publication number: CN218937433U
Application number: CN202223345795.9U
Authority: CN
Inventors: 诸葛挺; 蔡福润; 张智
Original assignee: Shenzhen Chuansi Technology Co ltd
Current assignee: Shenzhen Chuansi Technology Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-04-28
Anticipated expiration: 2032-12-12

Abstract

The utility model belongs to the technical field of sensors, and particularly discloses a pipeline sensor. That is, through installing the opening part at the intercommunication cavity with two at least pipeline joints one-to-one for shell structure is linked together with external pipeline, promptly, the medium that flows in the external pipeline can be through the inner shell, install the probe on the inner shell after, in the detection end extension to the intercommunication cavity of reuse probe, compare in the outside lateral wall of probe contact pipeline in current scheme, the detection end of the probe of this structure can direct contact medium detect the medium, make detection structure more accurate, avoided leading to the inaccurate phenomenon emergence of testing result because of the influence of pipeline thickness, promoted pipeline sensor's practicality effectively.

Description

Pipeline sensor

Technical Field

The utility model relates to the technical field of sensors, in particular to a pipeline sensor.

Background

The working principle of the sensor is that a specific detected signal is converted into a certain usable signal according to a certain rule through a sensitive element and a conversion element and is output, so that the requirements of information transmission, processing, recording, display, control and the like are met.

The conventional sensor for detecting the pressure or temperature of the pipeline generally comprises a shell and a probe, wherein the shell is fixedly arranged on the outer wall surface of the pipeline when the sensor is installed, and the probe is abutted against the outer wall surface of the pipeline to detect the pressure or temperature of a medium in the pipeline.

However, since the probe is in direct contact with the outer wall surface of the pipe when in operation, and the pipe has a thickness, the probe cannot be in direct contact with the medium in the pipe, so that the measured value of the probe has errors, and the measured result is inaccurate.

Disclosure of Invention

Therefore, the technical problem to be solved by the utility model is that the numerical value measured by the probe is inaccurate because the probe is directly contacted with the outer wall surface of the pipeline during measurement in the prior art.

To this end, the utility model provides a line sensor comprising:

the shell structure comprises an inner shell, wherein a communication cavity with at least two openings is formed in the inner shell;

the pipeline joints are arranged at the openings of the communicating cavities in a one-to-one correspondence manner and are used for communicating the communicating cavities with external pipelines;

and the probe is arranged on the inner shell, and the detection end of the probe extends into the communication cavity and is used for detecting parameters of a medium in the shell.

Optionally, the above-mentioned line sensor,

the housing structure further includes:

an outer case which is provided at an outer side of the inner case and fixes one pipe joint at an opening at one side of the communication cavity, and the end cap is detachably connected with the outer case;

and the end cover is used for fixing the other pipeline joint at the opening of the other side of the communication cavity.

Optionally, the above-mentioned line sensor,

the shell is provided with a first connecting part;

the end cover is provided with a second connecting part, and the second connecting part is connected with the first connecting part.

Optionally, the above-mentioned line sensor,

the end cover further comprises a third connecting part, wherein the third connecting part is integrally arranged with the second connecting part, and the third connecting part is convexly arranged along the radial direction of the external pipeline;

the pipeline joint comprises a first limiting part, and the first limiting part is abutted with the third connecting part.

Optionally, the above-mentioned line sensor,

the pipeline joint further comprises a second limiting part, the second limiting part is connected with the first limiting part, the second limiting part is arranged on one side, away from the second connecting part, of the first limiting part, and the second limiting part is used for being abutted to an opening of the communicating cavity.

Optionally, the above-mentioned pipeline sensor further comprises at least three sets of sealing elements,

the sealing elements are arranged at the connection parts of the first connecting part and the second connecting part; and

the sealing elements are arranged at the joint of the third connecting part and the limiting part; and

the sealing elements are arranged at the joint of the second limiting part and the inner shell.

Optionally, the above-mentioned line sensor,

the first connecting portion is provided with an internal thread, the second connecting portion is provided with an external thread, and the first connecting portion is in threaded connection with the second connecting portion.

Optionally, the above-mentioned line sensor,

the inner shell is provided with a first through hole, and the outer wall of the inner shell is of a prismatic structure;

the shell structure further comprises a fixing plate, and the fixing plate is arranged on the outer wall surface of the inner shell;

the probe is installed inside the first through hole and is abutted to the fixing plate, and the detection end of the probe is arranged flush with the inner wall surface of the communication cavity after penetrating through the first through hole.

Optionally, the above-mentioned line sensor,

the circuit board is mounted on the outer wall surface of the inner shell.

Optionally, the above-mentioned line sensor,

the shell is provided with a second through hole;

the novel socket comprises an outer shell, and is characterized by further comprising a navigation plug which is fixedly arranged at the second through hole of the outer shell, wherein one side of the navigation plug, which is far away from the inner shell, is provided with an opening, and a cover plate is arranged at the opening and used for preventing external foreign matters from entering the navigation plug.

The technical scheme provided by the utility model has the following advantages:

the utility model provides a pipeline sensor which comprises a shell structure, at least two pipeline connectors and a probe. The shell structure comprises an inner shell, wherein a communication cavity with at least two openings is formed in the inner shell; the pipeline connectors are arranged at the openings of the communicating cavities in a one-to-one correspondence manner and are used for communicating the communicating cavities with external pipelines; the probe is mounted on the inner shell, and the detection end of the probe extends into the communication cavity for detecting parameters of the medium in the shell.

The pipeline sensor of this structure is through installing the opening part at the intercommunication cavity with two at least pipeline joints one-to-one for shell structure is linked together with external pipeline, namely, the medium that flows in the external pipeline can be through the inner shell, install the probe back on the inner shell, in the detection end of reuse probe extends to the intercommunication cavity, compare in the lateral wall of probe contact pipeline in current scheme, the detection end of the probe of this structure can direct contact medium detect the medium, make detection structure more accurate, avoided leading to the inaccurate phenomenon emergence of testing result because of the influence of pipeline thickness, promoted pipeline sensor's practicality effectively.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a pipeline sensor according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a line sensor provided in an embodiment of the present utility model;

FIG. 3 is an enlarged schematic view of a portion A of FIG. 2;

FIG. 4 is a schematic diagram of a pipeline sensor according to an embodiment of the present utility model;

reference numerals illustrate:

1-an inner shell; 11-communicating the cavity;

2-pipe joints; 21-a first limit part; 22-a second limiting part;

3-a housing; 31-a first connection;

4-end caps; 41-a second connection; 42-a third connection;

5-a seal;

6-fixing plates;

7-a circuit board;

8-aviation plug.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. 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 utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Example 1

In this embodiment, a pipeline sensor is provided, as shown in fig. 1 to 4, which comprises a housing structure, at least two pipeline joints 2 and a probe. The shell structure comprises an inner shell 1, wherein the inner shell 1 is provided with a communication cavity 11 with at least two openings; the pipeline joints 2 are arranged at the openings of the communicating cavity 11 in a one-to-one correspondence manner and are used for communicating the communicating cavity 11 with an external pipeline; the probe is mounted on the inner housing 1 and the sensing end of the probe extends into the communication cavity 11 for sensing parameters of the medium in the housing.

It should be noted that, the number of the openings of the communication cavity 11 of the inner housing 1 is not limited by the pipeline sensor provided in the present embodiment, and may be two, that is, as shown in fig. 2; of course, the number of the openings can also be more than two, such as three-way and four-way forms.

It should be noted that the number of the pipe joints 2 in the pipe sensor provided in this embodiment is not limited, and may be two, that is, as shown in fig. 2; of course, the number of the pipe joints 2 can be more than two, and the number of the openings of the communicating cavity 11 of the inner shell 1 is determined according to the specific situation, and only the pipe joints 2 are correspondingly arranged at each opening.

Further, the number of the probes is not limited by the pipeline sensor provided in this embodiment, and one type of probe can be independently set to detect the pressure of the medium in the shell or detect the temperature of the medium according to the requirement, and multiple types of probes can be also provided to detect multiple parameters of the medium in the shell, such as the pressure and the temperature, so that the detection efficiency is effectively improved. Of course, the same probe can be arranged at different positions, so that mutual verification can be performed on the same parameter, and the accuracy of measurement data is improved.

The pipeline sensor that provides in this embodiment is when implementing, through installing the opening part at intercommunication cavity 11 with two at least pipeline joints 2 one-to-one for shell structure is linked together with external pipeline, that is, the medium that flows in the external pipeline can be through inner shell 1, install the probe on inner shell 1 after, the detection end of reuse probe extends to in the intercommunication cavity 11, compare in the lateral wall of probe contact pipeline in current scheme, the detection end of probe in this pipeline sensor can direct contact medium detects the medium, make the detection structure more accurate, avoided leading to the inaccurate phenomenon emergence of testing result because of the influence of pipeline thickness, the practicality of pipeline sensor has been promoted effectively.

As shown in fig. 1 to 3, the pipeline sensor provided in the present embodiment, the housing structure further includes a housing 3 and an end cover 4. Wherein the outer shell 3 is arranged on the outer side of the inner shell 1 and fixes one pipeline joint 2 at one side opening of the communication cavity 11; the end cap 4 fixes the other pipe joint 2 to the other side opening of the communication chamber 11, and the end cap 4 is detachably connected to the housing 3. Specifically, the housing 3 is provided with a first connection portion 31; the end cap 4 is provided with a second connection portion 41, the second connection portion 41 being provided corresponding to the first connection portion 31, and the second connection portion 41 being connected with the first connection portion 31 for connecting the housing 3 and the end cap 4. In this embodiment, the connection mode of the end cover 4 and the housing 3 is not limited, and only the end cover 4 and the housing 3 need to be locked after being connected.

Further, in the present embodiment, the end cap 4 further includes a third connecting portion 42, the third connecting portion 42 is connected to the second connecting portion 41 in an integrally formed manner, and the third connecting portion 42 is convexly disposed along the radial direction of the external pipe; the pipe joint 2 includes a first limiting portion 21, and at this time, the first limiting portion 21 abuts against the third connecting portion 42.

Further, in this embodiment, the pipe joint 2 further includes a second limiting portion 22, where the second limiting portion 22 is connected to the first limiting portion 21, the second limiting portion 22 is disposed on a side of the first limiting portion 21 away from the second connecting portion 41, and the second limiting portion 22 is used for abutting against an opening of the communication cavity 11, so as to limit the pipe joint 2 on the inner shell 1 by the end cover 4.

As one embodiment, when the first connection portion 31 and the second connection portion 41 are connected, the first connection portion 31 may have an internal thread, the second connection portion 41 may have an external thread, and the first connection portion 31 and the second connection portion 41 may be screwed together.

As shown in fig. 4, in the pipeline sensor provided in this embodiment, the outer wall of the inner casing 1 is in a prismatic structure. In this embodiment, the inner wall of the inner shell 1 is in a cylindrical structure, and the radial dimension of any cross section of the inner shell is determined according to actual needs, so that transmission pipelines with different dimensions are adapted, and the adaptability of the pipeline sensor is improved.

The pipeline sensor provided in this embodiment is through setting the internal face of inner shell 1 to cylindrical structure to install pipeline joint 2 at the opening part of inner shell 1, make inner shell 1 directly be linked together with external pipeline, can make the inside medium of external pipeline flow through pipeline sensor like this, directly detect the medium, make the detected value more be close to true value, reduce measuring error.

As one of the embodiments, as shown in fig. 2 to 4, the inner case 1 is provided with a first through hole; the shell structure also comprises a fixing plate 6, and the fixing plate 6 is arranged on the outer wall surface of the inner shell 1; the probe is installed inside first through-hole and with fixed plate 6 butt, and the detection end of probe wears to establish this first through-hole after this moment and flushes the setting with the internal face of intercommunication cavity 11.

Further, as shown in fig. 4, the line sensor provided in the present embodiment further includes a circuit board 7, the circuit board 7 being mounted on the outer wall surface of the inner case 1, and wires in the line sensor used in the present embodiment being electrically connected to the circuit board 7.

As shown in fig. 1 to 3, in the pipeline sensor provided in the present embodiment, the housing 3 is provided with a second through hole; the connector assembly further comprises a connector assembly 8, wherein the connector assembly 8 is fixedly arranged at the second through hole of the outer shell 3, an opening is formed in one side, far away from the inner shell 1, of the connector assembly 8, and a cover plate is arranged at the opening and used for preventing external foreign matters from entering the connector assembly 8 to affect the use of the connecting terminal. The avionics connector 8 is electrically connected to the wires in the line sensor used in the present embodiment, and the avionics connector 8 is used to connect power and signal lines external to the line sensor.

In the pipeline sensor provided in the embodiment, when in production and installation, the pipeline joint firstly passes through the end cover, and the first limiting part 21 and the third connecting part 42 are abutted; the first connecting portion 31 and the second connecting portion 41 are connected, such as threaded connection, so that the second limiting portion 22 abuts against the opening of the communication cavity 11, that is, the inner shell 1 is subjected to limiting installation, and integral installation is completed.

Since the pipe sensor in the above embodiment cannot ensure the air tightness of the whole after the pipe joint 2, the housing 3 and the end cover 4 are connected, as shown in fig. 1 to 3, the pipe sensor provided in the present embodiment should further include at least three sets of sealing members 5, and in practice, one set of sealing members 5 is disposed at the connection position of the first connection portion 31 and the second connection portion 41; a group of sealing elements 5 are arranged at the connection part of the third connecting part 42 and the limiting part; a set of sealing members 5 is provided at the junction of the second limiting portion 22 and the inner housing 1, thereby enhancing the air tightness of the line sensor and preventing the data obtained during measurement from being affected.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. A line sensor, comprising:

the shell structure comprises an inner shell (1), wherein the inner shell (1) is provided with a communication cavity (11) with at least two openings;

the pipeline joints (2) are arranged at the openings of the communicating cavities (11) in a one-to-one correspondence manner and are used for communicating the communicating cavities (11) with external pipelines;

and the probe is arranged on the inner shell (1), and the detection end of the probe extends into the communication cavity (11) and is used for detecting parameters of a medium in the shell.

2. The line sensor of claim 1, wherein,

the housing structure further includes:

the outer shell (3), the said outer shell (3) is set up in the outside of the said inner shell (1) and fix a pipeline joint (2) to one side opening of the said communicating cavity (11);

the end cover (4) is used for fixing the other pipeline joint (2) at the opening of the other side of the communication cavity (11), and the end cover (4) is detachably connected with the shell (3).

3. The line sensor of claim 2, wherein,

the shell (3) is provided with a first connecting part (31);

the end cover (4) is provided with a second connecting part (41), and the second connecting part (41) is connected with the first connecting part (31).

4. The line sensor of claim 3, wherein,

the end cover (4) further comprises a third connecting part (42), the third connecting part (42) and the second connecting part (41) are integrally arranged, and the third connecting part (42) is arranged in a protruding mode along the radial direction of the external pipeline;

the pipeline joint (2) comprises a first limiting part (21), and the first limiting part (21) is abutted with the third connecting part (42).

5. The line sensor of claim 4, wherein,

the pipeline joint (2) further comprises a second limiting part (22), the second limiting part (22) is connected with the first limiting part (21), the second limiting part (22) is arranged on one side, away from the second connecting part (41), of the first limiting part (21), and the second limiting part (22) is used for being abutted to the opening of the communicating cavity (11).

6. The line sensor according to claim 5, further comprising at least three sets of seals (5),

a set of said seals (5) is arranged at the junction of said first connection (31) and said second connection (41); and

the group of sealing elements (5) are arranged at the joint of the third connecting part (42) and the limiting part; and

the sealing elements (5) are arranged at the joint of the second limiting part (22) and the inner shell (1).

7. The line sensor of claim 3, wherein,

the first connecting portion (31) has an internal thread, the second connecting portion (41) has an external thread, and the first connecting portion (31) and the second connecting portion (41) are screwed.

8. The line sensor of any one of claims 2-7,

the inner shell (1) is provided with a first through hole, and the outer wall of the inner shell (1) is in a prismatic structure;

the shell structure further comprises a fixing plate (6), and the fixing plate (6) is arranged on the outer wall surface of the inner shell (1);

the probe is arranged in the first through hole and is abutted to the fixing plate (6), and the detection end of the probe is arranged flush with the inner wall surface of the communication cavity (11) after penetrating through the first through hole.

9. The line sensor of claim 7, wherein,

the circuit board (7) is arranged on the outer wall surface of the inner shell (1).

10. The line sensor of claim 7, wherein,

the shell (3) is provided with a second through hole;

the novel socket further comprises a socket connector (8), the socket connector (8) is fixedly arranged at the second through hole of the outer shell (3), one side, far away from the inner shell (1), of the socket connector (8) is provided with an opening, and a cover plate is arranged at the opening and used for preventing external foreign matters from entering the socket connector (8).