CN217878018U - Temperature measuring device and pipeline system - Google Patents
Temperature measuring device and pipeline system Download PDFInfo
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- CN217878018U CN217878018U CN202220800623.7U CN202220800623U CN217878018U CN 217878018 U CN217878018 U CN 217878018U CN 202220800623 U CN202220800623 U CN 202220800623U CN 217878018 U CN217878018 U CN 217878018U
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Abstract
The application relates to a temperature measuring device and pipe-line system is provided with pipeline passageway, temperature measurement cavity, infrared temperature element and connecting pipe, wherein: the pipeline channel penetrates through the device main body, and the pipeline channel is communicated with the temperature measuring cavity at a first position; the connecting pipe is arranged in the pipeline channel, and two ends of the connecting pipe extend to the outer side of the device main body along the pipeline channel; the infrared temperature measuring element is positioned in the temperature measuring cavity and penetrates through the first position to detect the temperature of the pipe wall of the connecting pipe; the pipeline system comprises a first pipe, a second pipe and a temperature measuring device, wherein the first pipe and the second pipe are detachably connected with the pipeline channel respectively; when the pipeline system is designed, the point to be detected is preset to be the pipeline system comprising the temperature measuring device, and the temperature of the pipeline can be directly detected.
Description
Technical Field
The invention relates to the technical field of pipelines, in particular to a temperature measuring device and a pipeline system.
Background
In daily work, the temperature of the fluid in the pipeline needs to be obtained first based on the need of regulating and controlling the temperature of the fluid in the pipeline, and the traditional detection mode comprises the following steps: the temperature is directly obtained by fluid detection and indirectly obtained by pipeline detection, the temperature sensitivity of the former is high relative to the temperature sensitivity of the latter, and the change of the latter to the structure of the pipeline to be detected is smaller relative to the former.
Chinese utility model patent with publication number CN201420547343.5 discloses a pipeline temperature measurement and fixing device, which utilizes the hose clamp to laminate the heat conduction seat with the pipeline to be measured, and utilizes the temperature measurement module to measure the temperature of the heat conduction seat to determine the temperature of the pipeline to be measured. The utility model discloses a measure the temperature of the pipeline that awaits measuring with the extension of heat conduction seat conduct pipeline that awaits measuring on the basis of not destroying the original structure of the pipeline that awaits measuring. However, the arrangement of the heat conducting seat enables the temperature measuring device to indirectly acquire the temperature of the pipeline to be measured through detecting the heat conducting seat, and compared with the mode that the temperature is directly acquired through detecting the fluid, the temperature is acquired indirectly for two times, and the accuracy and the sensitivity during temperature measurement are further reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provided are a temperature measuring device and a pipeline system, which can directly detect the temperature of a pipeline to be detected.
The technical scheme that this application provided:
in a first aspect: the utility model provides a temperature measuring device, is provided with pipeline passageway, temperature measurement cavity, infrared temperature element and connecting pipe, wherein:
the pipeline channel penetrates through the device main body, and the pipeline channel is communicated with the temperature measuring cavity at a first position;
the connecting pipe is arranged in the pipeline channel, and two ends of the connecting pipe extend to the outer side of the device main body along the pipeline passage;
the infrared temperature measuring element is positioned in the temperature measuring cavity and penetrates through the first position to detect the temperature of the pipe wall of the connecting pipe.
Preferably, the pipe wall of the connecting pipe corresponding to the first position is recessed towards one side far away from the infrared temperature measuring element, and the infrared temperature measuring element detects the temperature of the recessed part of the pipe wall of the connecting pipe.
Preferably, the device main body is provided with a ventilation flow passage, and the ventilation flow passage is communicated with the temperature measurement cavity and communicated with the surface of the device main body to form a through hole.
More preferably, the ventilation channels are linear channels, the number of the ventilation channels is at least two, and an included angle between the ventilation channel and at least one of the other ventilation channels is not less than 120 degrees by taking the temperature measuring cavity as a starting point.
More preferably, the device body includes a first portion and a second portion detachably connected, and the ventilation flow path is provided on a contact surface of the first portion and the second portion.
Preferably, the device body comprises a first part and a second part which are detachably connected, and the pipeline channel is arranged on the contact surface of the first part and the second part.
Preferably, the connecting tube end is provided with a stop portion and a ferrule nut.
Preferably, the device main body is provided with an installation channel, the infrared temperature measuring element is arranged in the installation channel, and the temperature measuring cavity is a cavity structure formed between the detection end of the infrared temperature measuring element and the partition wall.
More preferably, a sealing plug for separating the installation channel from the outside is arranged on one side of the installation channel away from the temperature measuring cavity, and the pin of the infrared temperature measuring element penetrates through the sealing plug to be connected with the outside.
In a second aspect: a pipeline system is provided, which comprises a first pipe, a second pipe and any one of the temperature measuring devices mentioned above, wherein the first pipe and the second pipe are respectively detachably connected with a connecting pipe.
The application has at least the following beneficial effects:
when a pipeline system is connected with a fluid medium, the fluid medium flows through the first pipe, the connecting pipe and the second pipe in sequence, a temperature measuring element arranged on the temperature measuring device measures the temperature of the fluid medium flowing through a certain point of the connecting pipe, the temperature measuring device is used as an intermediate component of the pipeline and appears in the system, the temperature measuring device has two functions of water flowing and temperature measuring, when the pipeline system is designed, the point to be measured is preset to be the pipeline system comprising the temperature measuring device, and the temperature of the pipeline can be directly detected.
Drawings
FIG. 1 is a schematic view of a piping system in an embodiment of the present application;
FIG. 2 is a perspective view of a temperature measuring device in an embodiment of the present application;
FIG. 3 is a cross-sectional view of a temperature measuring device in an embodiment of the present application;
FIG. 4 is a cross-sectional view of the device body in an embodiment of the present application;
FIG. 5 is an exploded view of a thermometric device according to an embodiment of the present application.
Description of the reference numerals:
a. a first tube; b. a second tube; c. a temperature measuring device;
1. a device main body; 2. a pipeline channel; 3. a temperature measuring element; 4. installing a channel; 5. a temperature measuring cavity; 6. A first position; 7. a recessed portion; 8. a ventilation flow passage; 9. a through opening; 10. a first part; 11. a second section; 12. a third section; 13. silicone grease; 14. sealing the plug; 15. a connecting pipe; 16. a limiting part; 17. and (4) clamping the nut.
Detailed Description
In the description of the present specification and claims, the terms "first", "second", and the like, if any, are used solely to distinguish one from another object described, and not necessarily in any sequential or technical sense. Thus, an object defined as "first," "second," etc. may explicitly or implicitly include one or more of the object. Also, the use of the terms "a" or "an" and the like, do not denote a limitation of quantity, but rather denote the presence of at least one of the two, and "a plurality" denotes no less than two. As used herein, "plurality" means no less than two.
In the description of the present application and in the claims, the terms "connected," "mounted," "secured," and the like, if any, are to be understood broadly, unless otherwise specified. For example, "connected" may be a separate connection or may be integrally connected; can be directly connected or indirectly connected through an intermediate medium; may be non-detachably connected or may be detachably connected. The specific meaning of the foregoing terms in the present application can be understood by those skilled in the art as appropriate.
In the description of the present application and in the claims, if there is an orientation or positional relationship indicated by the terms "upper", "lower", "horizontal", etc., based on the orientation or positional relationship shown in the drawings, it is merely for the convenience of clearly and simply describing the present application, and it is not intended to indicate or imply that the elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and these directional terms are relative concepts, are used for descriptive and clarifying purposes, and may be changed accordingly depending on the orientation in which the components in the drawings are placed. For example, if the device in the figures is turned over, elements described as "below" other elements would then be oriented "above" the other elements.
In the description of the specification and claims, the terms "based on" and "based on," if any, are used to describe one or more factors that affect the determination. The term does not exclude additional factors that influence the determination. That is, the determination may be based solely on these factors or at least partially on these factors. For example, the phrase "determine B based on a," in which case a is a factor that affects the determination of B, does not exclude that the determination of B may also be based on C.
In the description of the present specification and claims, the term "configured to" if present, may generally be interchangeable with "having 8230capabilities", "designed to", "for" or "capable", depending on the context.
Now, embodiments of the present application are described with reference to the drawings.
In daily work, the temperature of the fluid in the pipeline needs to be regulated and controlled, so that the temperature of the fluid in the pipeline needs to be acquired first, namely the temperature of the fluid in the pipeline needs to be monitored first.
The traditional temperature detection has two modes, one mode is an internal detection mode, and a temperature measuring device is deeply inserted into a pipeline for monitoring; one is an external detection type, and the temperature measuring device is fixed on the pipeline through a clamping sleeve to monitor the temperature of the pipeline wall; the technical scheme related in the application belongs to the latter and aims to provide a technical scheme with different technical concepts and technical effects which can basically reach the prior art level.
The utility model provides a pipe-line system, as shown in figure 1 and figure 2, pipe-line system includes first pipe an, second pipe b and temperature measuring device c, wherein first pipe an and second pipe b can dismantle sealing connection with temperature measuring device c respectively. Different from the traditional mode in which the temperature measuring device c is fixed on the pipeline through the clamping sleeve and only has the temperature measuring function, in the embodiment, the temperature measuring device c is used as a middle component of the pipeline and appears in the system, and the temperature measuring device c has two functions of water flowing and temperature measuring.
As shown in fig. 3 and 4, the temperature measuring device c has a pipeline channel 2 and a temperature measuring element 3 on a device body 1, the pipeline channel 2 penetrates through the device body 1, a connecting pipe 15 is arranged in the pipeline channel 2, and two ends of the connecting pipe extend to the outer side of the device body 1 along a pipeline passage; the two ends of the connecting pipe 15 are respectively connected with the first pipe a and the second pipe b in a detachable and sealed manner, preferably, in a specific embodiment, the end of the connecting pipe 15 is provided with a limiting part 16 and a clamping nut, the ends of the first pipe a and the second pipe b connected with the temperature measuring device c are provided with external threads, and the first pipe a and the second pipe b are respectively connected with the temperature measuring device c in a threaded manner.
An installation channel 4 is arranged on one side of the pipeline channel 2 on the device main body 1 of the temperature measuring device c, the installation channel 4 points to the pipeline channel 2, and the pipeline channel 2 is communicated with the installation channel 4 at a first position 6; when the pipeline system is connected with a fluid medium, the fluid medium flows through the first pipe a, the connecting pipe 15 and the second pipe b in sequence, and the temperature measuring element 3 is arranged in the installation channel 4 and used for detecting the temperature of the pipe wall of the connecting pipe 15 corresponding to the first position 6. The temperature measuring element 3 may be a contact type temperature measuring element 3 such as a thermocouple, a thermistor, or a thermistor element, or may be a non-contact type temperature measuring element 3 such as an infrared temperature measuring element 3.
For the contact type temperature measuring element 3, the detection part of the temperature measuring element 3 penetrates through the first position 6 to be abutted against the pipe wall of the connecting pipe 15 for measuring temperature, for the non-contact type temperature measuring element 3, a certain distance is arranged between the detection part of the temperature measuring element 3 and the pipe wall of the connecting pipe 15, a cavity formed by defining is a temperature measuring cavity 5, and the temperature measuring element 3 penetrates through the temperature measuring cavity 5 once to detect the temperature of the pipe wall of the connecting pipe 15 corresponding to the first position 6. The utility model discloses in adopt infrared temperature element 3, infrared temperature element 3 is prior art, no longer does many more here and explains.
The external detection type is used for detecting the temperature of the pipe wall of the connecting pipe 15 through a fluid medium, and the sensitivity of test data is known according to the common knowledge that: the thickness of the pipe wall of the connecting pipe 15, the thermal conductivity of the material of the connecting pipe 15 and the contact area of the pipe wall of the detecting point connecting pipe 15 and the fluid medium are related, and the smaller the pipe wall thickness of the connecting pipe 15, the larger the contact area and the higher the thermal conductivity, the more sensitive the detection.
On the basis, copper, stainless steel, aluminum and the like with high thermal conductivity can be selected as materials of the connecting pipe 15, and on the premise that the normal pressure pipeline channel 2 is not deformed, the thickness of the pipe wall of the connecting pipe 15 is selected to be corresponding to the thickness according to a use scene; meanwhile, the pipe wall of the connecting pipe 15 at the first position 6 is sunken towards the side far away from the infrared temperature measuring element 3, an inward convex structure is formed on the side, contacting with the fluid medium, of the pipe wall of the connecting pipe 15 so as to increase the contact area with the fluid medium, and the infrared temperature measuring element 3 detects the temperature of the sunken part 7 of the pipe wall of the connecting pipe 15 at the first position 6.
Radiation emitted by the wall of the connecting pipe 15 is received by the detection end of the infrared temperature measurement element 3 through the temperature measurement cavity 5, so that the temperature delay problem of an air medium existing in the temperature measurement cavity 5 can have certain influence on the measurement result and the sensitivity.
In another embodiment, as shown in fig. 5, a ventilation flow passage 8 is formed in the device body 1, the ventilation flow passage 8 is communicated with the temperature measurement cavity 5, and a through hole 9 is formed to penetrate through the surface of the device body 1, so that when the temperature of the fluid medium changes, the volume of air in the temperature measurement cavity 5 changes, and thus the problem of temperature delay is reduced to a certain extent.
However, because the single flow channel effect is not good, on this basis, a plurality of ventilation flow channels 8 are arranged to accelerate the heat dissipation speed, and further, based on the chimney effect, the arranged ventilation flow channels 8 are linear flow channels, the plurality of ventilation flow channels 8 are located on the same plane, the temperature measurement cavity 5 is taken as a starting point, and the included angle between the ventilation flow channel 8 and at least one other ventilation flow channel 8 is not less than 120 degrees.
In one embodiment, the ventilation channels 8 are arranged in a shape of a Chinese character 'mi', and each ventilation channel 8 has another ventilation channel 8 parallel to the ventilation channel 8; when the device is used, based on the chimney effect, the surface where the ventilation flow channel 8 is located is vertically arranged, so that the vertical heights of through holes 9 formed by the two ventilation flow channels 8 which are positioned on at least one group and are communicated with the surface of the device main body 1 are higher than the temperature measurement cavity 5 and lower than the temperature measurement cavity 5 respectively.
The setting of ventilation runner 8 has increased the intercommunication with the external world, has also had the possibility that through-hole 9 blockked up, for the convenience of clearance, device main part 1 sets up including first portion 10 and the second portion 11 that can dismantle the connection, and ventilation runner 8 sets up on the contact surface of first portion 10 and second portion 11, and aforesaid can dismantle connected mode includes conventional bolted connection, joint etc. in a concrete embodiment, for bolted connection, when needs are cleared up the passageway runner, split first portion 10 and second portion 11 can.
In addition, in order to facilitate the installation and fixation of the connection pipe 15 in the pipeline channel 2, the connection pipe 15 may be welded to the device main body 1, or may be detachably connected and fixed to the device main body 1, in a specific embodiment, the device main body 1 is provided with a second portion 11 and a third portion 12 which are detachably connected, the pipeline channel 2 is disposed on a contact surface of the second portion 11 and the third portion 12, the detachable connection manner includes conventional bolt connection, clamping connection, and the like, in a specific embodiment, the connection pipe is bolted, and when in use, the connection pipe 15 is clamped between the second portion 11 and the third portion 12 by adjusting a distance between the second portion 11 and the third portion 12 by a bolt.
The infrared temperature measurement element 3 can adopt the basic component purchased on the market, for guaranteeing the security, need encapsulate it in the installation passageway 4 of device main part 1, it is concrete, the installation passageway 4 to infrared temperature measurement element 3 pin end department is filled the encapsulation of silicone grease 13, the pin of infrared temperature measurement element 3 passes sealed silicone grease 13 and is connected with the external world, furthermore, the port department of keeping away from temperature measurement cavity 5 at installation passageway 4 sets up sealed end cap 14, sealed end cap 14 can with installation passageway 4 threaded connection, also can weld, the signal line passes sealed end cap 14 and is connected with infrared temperature measurement element 3's pin.
Claims (10)
1. A temperature measuring device is characterized in that a temperature measuring device,
be provided with pipeline passageway, temperature measurement cavity, infrared temperature element and connecting pipe, wherein:
the pipeline channel penetrates through the device main body, and the pipeline channel is communicated with the temperature measuring cavity at a first position;
the connecting pipe is arranged in the pipeline channel, and two ends of the connecting pipe extend to the outer side of the device main body along the pipeline passage;
the infrared temperature measuring element is positioned in the temperature measuring cavity and penetrates through the first position to detect the temperature of the pipe wall of the connecting pipe.
2. The temperature measuring device of claim 1, wherein the wall of the connecting tube at the first position is recessed toward a side away from the infrared temperature measuring element, and the infrared temperature measuring element detects the temperature of the recessed portion of the wall of the connecting tube.
3. The temperature measuring device of claim 1, wherein the device body is provided with a ventilation channel, and the ventilation channel is communicated with the temperature measuring cavity and communicated with the surface of the device body to form a through hole.
4. The temperature measuring device of claim 3, wherein the ventilation channel is a linear channel, the number of the ventilation channels is at least two, and an included angle between the ventilation channel and at least one other ventilation channel is not less than 120 degrees from the temperature measuring cavity.
5. The temperature measuring device according to claim 3, wherein the device body comprises a first portion and a second portion detachably connected, and the ventilation flow passage is provided on a contact surface of the first portion and the second portion.
6. The thermometric apparatus of claim 1, wherein the apparatus body comprises a first portion and a second portion which are detachably connected, and the conduit channel is disposed on a contact surface of the first portion and the second portion.
7. The temperature measuring device of claim 1, wherein the connecting tube end is provided with a limiting portion and a ferrule nut.
8. The temperature measuring device of claim 1, wherein the device body is provided with a mounting channel, the infrared temperature measuring element is arranged in the mounting channel, and the temperature measuring cavity is a cavity structure formed between the detection end of the infrared temperature measuring element and the partition wall.
9. The temperature measuring device of claim 8, wherein a sealing plug is disposed on a side of the mounting channel away from the temperature measuring cavity to separate the mounting channel from the outside, and the pin of the infrared temperature measuring element penetrates through the sealing plug to be connected with the outside.
10. A piping system comprising a first pipe, a second pipe and the temperature measuring device of any one of claims 1 to 9, wherein the first pipe and the second pipe are detachably connected to a connecting pipe, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220800623.7U CN217878018U (en) | 2022-03-31 | 2022-03-31 | Temperature measuring device and pipeline system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220800623.7U CN217878018U (en) | 2022-03-31 | 2022-03-31 | Temperature measuring device and pipeline system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217878018U true CN217878018U (en) | 2022-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220800623.7U Active CN217878018U (en) | 2022-03-31 | 2022-03-31 | Temperature measuring device and pipeline system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217878018U (en) |
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- 2022-03-31 CN CN202220800623.7U patent/CN217878018U/en active Active
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