CN220552545U

CN220552545U - Temperature detection device and temperature measurement joint thereof

Info

Publication number: CN220552545U
Application number: CN202322143732.3U
Authority: CN
Inventors: 王海; 李德胜; 杨永军; 邹玉祥; 缪兵
Original assignee: Jiangsu Machinery Research & Design Institute Co ltd
Current assignee: Jiangsu Machinery Research & Design Institute Co ltd
Priority date: 2023-08-09
Filing date: 2023-08-09
Publication date: 2024-03-01
Anticipated expiration: 2033-08-09

Abstract

The application discloses temperature detection device and temperature measurement joint thereof belongs to hydraulic pressure detection technical field. This temperature measurement connects and is used for measuring the temperature in the pipeline, and the pipeline is equipped with the installation interface, and temperature measurement connects and includes: a communication joint, a pressure member and a seal member; one end of the communication joint is connected with the mounting interface, and the other end of the communication joint is connected with the pressing piece; wherein, the pressing piece contains: a pressing face, the communication joint comprising: a compression surface, a sealing member being disposed between the compression surface and the compression surface; the temperature measurement joint is also provided with: and the central hole penetrates through the temperature measuring joint so as to enable the temperature measuring joint to be communicated with the pipeline. The main application of the method is to detect the medium temperature in the pipeline at the temperature measuring point in the hydraulic element detection process.

Description

Temperature detection device and temperature measurement joint thereof

Technical Field

The application relates to the technical field of hydraulic detection, in particular to a temperature detection device and a temperature measurement joint thereof.

Background

In the process of detecting the hydraulic component, the temperature of a medium (such as hydraulic oil) entering the hydraulic component needs to be strictly controlled within the standard requirement range. In JB/T7041.2-2020, part 2 of the Hydraulic Pump: in the gear pump standard, the medium temperature of the factory test is regulated to be 50+/-4 ℃, and the medium temperature of the model test is regulated to be 50+/-2 ℃. The pressure measuring point is arranged at d positions (d is the inner diameter of a pipeline) from the oil inlet and outlet (2-4) of the tested gear pump, the position selection of the temperature measuring point is required to be arranged at d positions from the pressure measuring point (2-4), and the temperature measuring point is farther away from the tested gear pump than the pressure measuring point, and is often positioned on the pipeline.

In the related art, chinese patent literature: CN 208780359U provides a device for installing a temperature measuring joint of a closed hydraulic oil tank, which comprises a joint body, a sealing ring and a tightening nut. After the device is installed, the upper section of the whole connector body is positioned outside the closed oil tank, and the sealing between the temperature connector and the air-permeable screw plug seat of the oil tank is realized through the annular sealing ring. However, in the technical scheme, the temperature measuring point is arranged in the oil tank, so that the accuracy of temperature measurement is greatly reduced, and the temperature of a medium entering the hydraulic element cannot be controlled within the standard requirement range.

In the related art, chinese patent literature: CN 218689516U, a temperature detecting device and a tubular reactor are provided. The temperature detection device includes: the temperature measuring probe structure comprises a probe, the temperature measuring probe structure is arranged on the side wall of the pipe body, and the probe at least partially stretches into the inner cavity of the pipe body. When fluid flows in the pipeline, the fluid can enter the inner cavity of the pipe body, so that the fluid contacts with the probe positioned in the inner cavity, contact type temperature sensing detection can be realized by the probe, and a temperature detection result can be accurately obtained. Although the technical scheme can obtain accurate temperature at the selected measuring point of the pipeline, the temperature detection device needs to be arranged between the pipelines, and the pipeline is divided into at least two sections.

Through the analysis to the correlation technique, need one kind at present to be urgent need a temperature measurement joint, need not to segment the pipeline, can make the temperature measurement probe rod can directly set up the temperature measurement point on the pipeline, simultaneously, after the retest is accomplished, can take off the temperature measurement probe rod, directly utilize the temperature measurement joint to seal the pipeline.

Disclosure of Invention

1. Technical problem

The utility model provides a temperature measuring joint is provided to temperature detection device among the prior art can not directly set up the temperature measurement probe rod in the pipeline not enough in the aim at overcome.

2. Technical proposal

In order to achieve the above purpose, the technical scheme provided by the application is as follows:

a first aspect of the present application relates to a temperature measuring joint:

for measuring the temperature in the pipeline, the pipeline is equipped with the installation interface, include: a communication joint, a pressure member and a seal member;

one end of the communication joint is connected with the mounting interface, and the other end of the communication joint is connected with the pressing piece;

wherein the pressing member includes: a compression face, the communication joint comprising: a pressure receiving surface, the seal being disposed between the pressure receiving surface and the pressure applying surface;

the temperature measuring joint is also provided with: and the central hole penetrates through the temperature measuring joint so that the temperature measuring joint is communicated with the pipeline.

As a further improvement of the present application:

and one part of the central hole is positioned at the communication joint, and the other part of the central hole is positioned at the pressing piece.

As a further improvement of the present application:

the communication joint is provided with a sealing groove, the sealing groove is communicated with the central hole, the radial size of the sealing groove is larger than that of the central hole, and the sealing piece is arranged in the sealing groove.

As a further improvement of the present application:

the temperature measurement connects, still includes:

and a blocking plate disposed between the pressing surface and the sealing member.

As a further improvement of the present application:

the pressing piece is provided with a blocking groove, and the blocking plate is arranged in the blocking groove.

As a further improvement of the present application:

the plugging plate comprises:

a first side surface adjacent to the pressing surface;

a second side opposite the first side, adjacent the seal;

the surface roughness of the first side surface and the second side surface is less than or equal to Ra3.2.

As a further improvement of the present application:

and the surface roughness of the pressing surface is less than or equal to Ra3.2.

In a second aspect, the present application relates to a temperature detection device,

the temperature measurement joint and the temperature measurement probe rod of the first aspect of the application, the temperature measurement probe rod is at least partially arranged in the center hole, and the temperature measurement probe rod at least partially stretches into the pipeline.

A third aspect of the present application relates to a temperature detection device, comprising:

the temperature measuring joint and the temperature measuring probe rod of the first aspect of the application;

when the temperature detection device is in a temperature measurement state, the plugging plate is taken out from the temperature detection device, the temperature measurement probe rod is at least partially arranged in the central hole, and the temperature measurement probe rod at least partially stretches into the pipeline;

when the temperature detection device is in a sealing state, the temperature measurement probe rod is taken out of the temperature detection device, and the plugging plate is arranged between the pressing surface and the sealing piece.

As a further improvement of the present application:

the fit clearance between the temperature measuring probe rod and the central hole is 0.10 mm-0.20 mm.

3. Advantageous effects

By adopting the technical scheme provided by the application, compared with the prior art, the method has the following beneficial effects:

the temperature measuring joint comprises a communication joint, a pressure applying part and a sealing part, wherein the temperature measuring probe rod is fixed at a temperature measuring point of a pipeline through the temperature measuring joint, and the medium temperature in the pipeline is accurately measured, so that the strict control of the medium temperature entering the hydraulic element in the hydraulic element detection process is realized. The temperature measuring joint further comprises a plugging plate, the temperature measuring probe rod is taken out of the communication joint after the temperature measuring probe rod completes temperature detection, and the plugging plate is matched with the sealing piece, so that the temperature measuring joint seals the pipeline.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the application and to provide a further understanding of the application with regard to the other features, objects and advantages of the application. The drawings of the illustrative embodiments of the present application and their descriptions are for purposes of illustrating the present application and are not to be construed as unduly limiting the present application.

In addition, the same or similar reference numerals denote the same or similar elements throughout the drawings. It should be understood that the figures are schematic and that elements and components are not necessarily drawn to scale.

FIG. 1 is a schematic diagram illustrating connection between a temperature detecting device and a pipeline according to some embodiments of the present application;

FIG. 2 is a schematic diagram of a temperature sensing joint according to some embodiments of the present application;

FIG. 3 is a schematic illustration of a pipeline according to some embodiments of the present application;

FIG. 4 is a schematic view of yet another temperature sensing joint according to some embodiments of the present application;

FIG. 5 is an exploded view of a temperature sensing joint according to some embodiments of the present application;

FIG. 6 is a schematic diagram of a temperature detection device according to some embodiments of the present application;

reference numerals in the schematic drawings illustrate:

100. a temperature measuring joint;

110. a communication joint; 111. A compression surface; 112. Sealing the groove;

120. a pressurizing member; 121. A pressing surface; 122. Plugging the groove;

130. a seal;

140. a central bore;

150. a plugging plate; 151. a first side; 152. a second side;

200. a pipe;

210. installing an interface;

300. a temperature detecting device;

310. a temperature measuring probe rod;

Detailed Description

For a further understanding of the present application, reference is made to the following detailed description of the present application taken in conjunction with the accompanying drawings and examples.

The structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the present disclosure, and should not be construed as limiting the scope of the utility model, since any modification, variation in proportions, or adjustment of the size, which would otherwise be used by those skilled in the art, would not have the essential significance of the present disclosure, would not affect the efficacy or otherwise be achieved, and would still fall within the scope of the present disclosure. Also, the terms such as "upper", "lower", "left", "right", "middle" and the like are used herein for descriptive purposes only and are not intended to limit the scope of the present disclosure for the purposes of relative modification or adjustment, which is also considered within the scope of the present disclosure without any substantial modification to the technical context.

Furthermore, the terms "first," "second," and the like in the description of the present application, if any, are used for distinguishing between the descriptions and not necessarily for indicating or implying a relative importance. The terms "horizontal," "vertical," and the like in the description of the present application, if any, do not denote absolute levels or overhangs of the components, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 terms in this application will be understood by those of ordinary skill in the art in a specific context.

In order to solve the hydraulic component detection process that relates to among the above-mentioned prior art, the temperature measurement point generally sets up on the pipeline, for obtaining the main temperature of medium in the pipeline of temperature measurement point department, the thinking of this application is that through the temperature measurement joint with the temperature measurement probe setting on the pipeline, make the at least part of temperature measurement probe be located inside the pipeline to the realization is to the accurate temperature measurement of temperature measurement point. Meanwhile, after the temperature measurement work is completed, the temperature measurement probe rod is taken out, and the temperature measurement joint can seal the pipeline.

The present application will be described in detail below with reference to fig. 1-6 in conjunction with examples.

Referring to fig. 1, a temperature detecting device 300 of the present embodiment includes a temperature measuring probe 310 and a temperature measuring joint 100. The temperature detecting device 300 is used for measuring the temperature of the medium inside the pipe 200.

The temperature measuring joint 100 is communicated with the pipeline 200, the temperature measuring probe rod 310 is fixed at a temperature measuring point of the pipeline 200 through the temperature measuring joint 100, and the temperature measuring probe rod 310 at least partially stretches into the pipeline 200. The temperature measurement probe rod 310 comprises a temperature sensing element 311, the temperature sensing element 311 is positioned at one end of the temperature measurement probe rod 310, and when the temperature measurement probe rod 310 stretches into the pipeline 200, the temperature sensing element 311 can accurately measure the temperature of a medium in the pipeline 200.

Referring to fig. 2, a temperature measuring joint 100 includes: a communication joint 110, a pressing member 120, a sealing member 130, and a center hole 140.

Referring to fig. 3 and 4, the pipe 200 is provided with a mounting interface 210, one end of the communication joint 110 is connected to the mounting interface 210 by screw connection or welding connection, etc., and the other end of the communication joint 110 is connected to the pressing member 120 by screw connection. Referring to fig. 5, the pressing member 120 includes a pressing surface 121, the communication joint 110 includes a pressing surface 111, and the sealing member 130 is disposed between the pressing surface 121 and the pressing surface 111, and the sealing member 130 is an elastic member made of rubber or the like. The center hole 140 penetrates through the temperature measuring joint 100, and after the temperature measuring joint 100 is fixed at a temperature measuring point of the pipeline 200, the temperature measuring joint is communicated with the inside of the pipeline 200 through the center hole 140.

Referring to fig. 6, when it is required to measure the temperature of the medium in the pipeline 200, the communication connector 110 is fixedly connected with the mounting interface 210, the temperature measuring probe 310 passes through the central hole 140, at least part of the temperature measuring probe 310 is located in the central hole 140, as an alternative, the length of the temperature measuring probe 310 exceeds the axial length of the temperature measuring connector 100, so that both ends of the temperature measuring probe 310 are located outside the central hole 140, and the shaft portion of the temperature measuring probe 310 is located in the central hole 140.

After the relative position of the temperature measuring probe 310 with respect to the temperature measuring joint 100 is selected, the distance between the pressure receiving surface 111 and the pressure applying surface 121 can be adjusted by the mutual movement between the communication joint 110 and the pressure applying member 120, and the seal member 130 is elastically deformed as the distance between the pressure receiving surface 111 and the pressure applying surface 121 becomes smaller and the compression pressure applied thereto becomes larger. The deformed sealing piece 130 is tightly attached to the temperature measuring probe rod 310, so that the temperature measuring probe rod 310 is fixed, and meanwhile, the temperature measuring probe rod 310 is matched with the sealing piece 130 to seal the central hole 140, so that the pipeline 200 is sealed. In order to enable the pressing surface 121 to press the sealing element 130 better, so that the sealing element 130 is attached to the temperature measuring probe 310 better, the surface roughness of the pressing surface 121 is less than or equal to Ra3.2.

The thermometric probe 310 needs to be inserted into and extracted from the central aperture 140, and thus the outside diameter of the thermometric probe 310 is smaller than the aperture of the central aperture. In order to enable the temperature measuring probe rod 310 to conveniently extend into or pull out of the central hole 140, the temperature measuring probe rod 310 can be matched with the sealing piece 130 to seal the pipeline 200, and the range of the fit clearance between the temperature measuring probe rod 310 and the central hole 140 is 0.10-0.20 mm.

The central hole 140 may be located entirely in the communication terminal 110, or may be located partially in the communication terminal 110 and partially in the pressure applying member 120. The pressure member 120 may be a screw cap, and the communication joint 110 may be threaded to mate with the screw cap, and the sealing member 130 may be compressed by tightening the screw cap after the temperature probe 310 is inserted into the central bore 140.

The communication joint 110 is provided with a sealing groove 112, the sealing groove 112 is arranged at one end of the communication joint 110 connected with the pressing piece 120, the sealing groove 112 is communicated with the central hole 140, the radial size of the sealing groove 112 is larger than that of the central hole 140, and the sealing piece 130 is arranged in the sealing groove 112. The sealing groove 112 and the central hole 140 adopt a circular ring structure, the corresponding temperature measuring probe rod 310 adopts a cylindrical rod structure, the sealing piece 130 adopts an annular sealing structure, and when the sealing piece 130 is extruded, the inner side wall of the sealing piece 130 is tightly attached to the outer side wall of the temperature measuring probe rod 310.

As an alternative to the thermometric connector 100, referring to fig. 2 and 5, the thermometric connector 100 further comprises a blocking plate 150, the blocking plate 150 being arranged between the pressing surface 121 and the sealing member 130.

When the temperature of the medium in the pipe 200 is measured, the temperature measuring probe 310 is not taken out, and the temperature measuring probe 310 affects the medium flow in the pipe 200, so that the temperature measuring probe 310 needs to be taken out of the pipe 200. If the thermometric probe 310 is taken out of the thermometric connector 100, sealing of the pipe 200 cannot be achieved; if the temperature measuring probe 310 is still partially left in the temperature measuring joint 100, the sealing of the pipeline 200 is completed by matching with the sealing member 130, which also causes waste to the temperature measuring probe 310 and increases the cost.

The plugging plate 150 plays a role in replacing the sealing of the temperature measuring probe rod 310, and the radial dimension of the plugging plate 150 is larger than or equal to the outer diameter of the sealing element 130, so that the plugging plate 150 is matched with the sealing element 130 to have a better sealing effect on the pipeline 200.

The temperature measuring probe 310 and the blocking plate 150 are selected according to different use states of the temperature detecting device 300. When the temperature detection device 300 is in a temperature measurement state, the blocking plate 150 is taken out from the temperature detection device 300, the temperature measurement probe rod 310 passes through the central hole 140, and the temperature sensing element 311 of the temperature measurement probe rod 310 extends into the pipeline 200; when the temperature detecting device 300 is in the sealed state, the temperature measuring probe 310 is taken out from the temperature detecting device 300, and the blocking plate 150 is disposed between the pressing surface 121 and the sealing member 130. By screwing the pressing member 120, the pressing surface 121 presses the sealing plate 150, and the sealing plate 150 presses the sealing member 130, so that the sealing member 130 is deformed, and the sealing of the pipeline 200 is completed.

In order to provide the communication joint 100 with a better sealing effect on the pipe 200, the overall structure of the communication joint 100 is made more compact. In one aspect, the pressing member 120 is provided with the blocking groove 122, and the blocking plate 150 is disposed in the blocking groove 122, and the radial dimension of the pressing surface 121 is substantially the same as the radial dimension of the blocking plate 150. On the other hand, the roughness of the surface of the sealing plate 150 is defined, specifically, the sealing plate 150 includes: a first side surface 151 and a second side surface 152 opposite to the first side surface 151, wherein the surface roughness of the first side surface 151 and the second side surface 152 is equal to or less than ra3.2. The first side 151 is adjacent to the pressing surface 121, the second side 152 is adjacent to the seal 130, and when the pressing member 120 is in a screwed state, the first side 151 is in contact with the pressing surface 121, and the second side 152 is in contact with the seal 130.

The temperature measurement detection device 300 of this application is through fixing the temperature measurement probe 310 at the temperature measurement point of pipeline 200 with temperature measurement joint 100, has realized getting into the strict control of hydraulic component medium temperature to hydraulic component detection in-process, simultaneously, temperature measurement detection device 300 need not separate pipeline 200, can fix temperature measurement probe 310, after accomplishing temperature measurement work, takes down temperature measurement probe 310, and temperature measurement joint 100 can realize sealing up pipeline 200.

The present application and its embodiments have been described above by way of illustration and not limitation, and the actual construction is not limited to the embodiments shown in the figures. Therefore, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical scheme are not creatively designed without departing from the gist of the present application.

Claims

1. A temperature measuring joint for measuring a temperature in a pipe (200), the pipe (200) being provided with a mounting interface (210), characterized by comprising: a communication joint (110), a pressing member (120), and a sealing member (130);

one end of the communication joint (110) is connected with the mounting interface (210), and the other end is connected with the pressing piece (120);

wherein the pressure member (120) comprises: a pressing surface (121), the communication joint (110) comprising: a pressure receiving surface (111), the seal (130) being arranged between the pressure applying surface (121) and the pressure receiving surface (111);

the temperature measuring joint is also provided with: -a central hole (140), said central hole (140) extending through said temperature measuring joint to communicate said temperature measuring joint with said pipe (200).

2. The temperature measuring joint of claim 1, wherein: the central hole (140) is partially positioned at the communication joint (110), and the other part is positioned at the pressing piece (120).

3. The temperature measuring joint of claim 1, wherein: the communication joint (110) is provided with a sealing groove (112), the sealing groove (112) is communicated with the central hole (140), the radial size of the sealing groove (112) is larger than that of the central hole (140), and the sealing piece (130) is arranged in the sealing groove (112).

4. The temperature measuring joint of claim 1, wherein:

the temperature measurement connects, still includes:

a blocking plate (150) disposed between the pressing surface (121) and the seal (130).

5. The temperature measurement joint of claim 4, wherein: the pressing piece (120) is provided with a blocking groove (122), and the blocking plate (150) is arranged in the blocking groove (122).

6. The temperature measurement joint of claim 4, wherein:

the blocking plate (150) comprises:

a first side surface (151) adjacent to the pressing surface (121);

a second side (152) opposite the first side (151), adjacent to the seal (130);

the surface roughness of the first side surface (151) and the second side surface (152) is less than or equal to Ra3.2.

7. The temperature measurement joint of claim 6 wherein: the surface roughness of the pressing surface (121) is less than or equal to Ra3.2.

8. A temperature sensing device, characterized by: comprising the following steps: a thermometric connector and thermometric probe (310) of any of claims 1 to 3, the thermometric probe (310) being at least partially disposed in the central aperture (140), the thermometric probe (310) extending at least partially into the interior of the conduit (200).

9. A temperature sensing device, characterized by: comprising the following steps: the thermometric connector and thermometric probe (310) of any of claims 4 to 7;

when the temperature detection device is in a temperature measurement state, the plugging plate (150) is taken out from the temperature detection device, the temperature measurement probe rod (310) is at least partially arranged in the central hole (140), and the temperature measurement probe rod (310) at least partially stretches into the pipeline (200);

when the temperature detection device is in a sealing state, the temperature measurement probe rod (310) is taken out from the temperature detection device, and the plugging plate (150) is arranged between the pressing surface (121) and the sealing piece (130).

10. The temperature detection device according to claim 8 or 9, characterized in that: the fit clearance between the temperature measuring probe rod (310) and the central hole (140) is 0.10 mm-0.20 mm.