CN217878017U - Temperature measuring device and pipeline system using same - Google Patents
Temperature measuring device and pipeline system using same Download PDFInfo
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- CN217878017U CN217878017U CN202220798676.XU CN202220798676U CN217878017U CN 217878017 U CN217878017 U CN 217878017U CN 202220798676 U CN202220798676 U CN 202220798676U CN 217878017 U CN217878017 U CN 217878017U
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Abstract
The application relates to a temperature measuring device and use its pipe-line system, this temperature measuring device is provided with pipeline passageway, temperature measurement cavity and infrared temperature element, wherein: the pipeline channel and the temperature measuring cavity are divided into two spaces which are not communicated with each other through a partition wall, and the pipeline channel penetrates through the device main body; the infrared temperature measuring element is positioned in the temperature measuring cavity and detects the temperature of the partition wall; 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 using the same.
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 former has high temperature sensitivity relative to the latter, and the latter has smaller change to the structure of the pipeline to be detected 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: the utility model provides a temperature measuring device and use its pipe-line system, temperature measuring device can directly detect the temperature of the pipeline that awaits measuring.
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 and infrared temperature element, wherein:
the pipeline channel and the temperature measuring cavity are divided into two spaces which are not communicated with each other through a partition wall, and the pipeline channel penetrates through the device main body;
the infrared temperature measuring element is positioned in the temperature measuring cavity and detects the temperature of the partition wall.
Preferably, the partition wall is sunken towards one side of the pipeline channel, and the temperature of the sunken part of the partition wall of the infrared temperature measuring element is detected.
Preferably, the device main body is provided with a ventilation flow channel, and the ventilation flow channel is communicated with the temperature measuring 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 end parts of both ends of the pipeline channel are provided with internal threads.
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.
More preferably, the mounting channel at the pin end of the infrared temperature measuring element is encapsulated by silicone grease.
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 pipeline channel.
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 pipeline channel 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 pipeline channel, the temperature measuring device is used as an intermediate component of the pipeline and appears in the system, the pipeline system has two functions of water flowing and temperature measuring, and the temperature of the pipeline to be measured can be directly detected.
Drawings
FIG. 1 is a schematic illustration 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 the temperature measuring device of FIG. 2;
FIG. 4 is a cross-sectional view of the temperature measuring device of FIG. 2 corresponding to the device body;
FIG. 5 is an exploded view of the temperature measuring device of FIG. 2;
FIG. 6 is a perspective view of another thermometric device according to an embodiment of the present application;
FIG. 7 is a cross-sectional view of the temperature measuring device of FIG. 6;
FIG. 8 is a perspective view of another thermometric device according to an embodiment of the present application;
FIG. 9 is a cross-sectional view of the temperature measuring device of FIG. 8;
FIG. 10 is a perspective view of another thermometric device according to an embodiment of the present application;
FIG. 11 is a cross-sectional view of the temperature measuring device of FIG. 10.
Description of 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 partition wall; 7. a recessed portion; 8. a ventilation flow passage; 9. A through opening; 10. a first part; 11. a second section; 12. silicone grease; 13. sealing the plug; 14. a connecting portion.
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, the term "plurality" means not less than two.
In the description of the present application and in the claims, the terms "connected," "mounted," "secured," and the like are used broadly, unless otherwise indicated. 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.
Embodiments of the present application will now be described with reference to the accompanying 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 obtained first, that is, 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 the 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 involved 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 pipeline system, as shown in FIG. 1, pipeline system includes first pipe an, second pipe b and temperature measuring device c, and 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. 2 to fig. 11, a pipeline channel 2 and a temperature measuring element 3 are disposed on a device main body 1 of the temperature measuring device c, the pipeline channel 2 penetrates through the device main body 1, and ports at two ends of the pipeline channel 2 are detachably and hermetically connected with a first pipe a and a second pipe b, respectively, preferably, in a specific embodiment, ports at two ends of the pipeline channel 2 are provided with internal threads, ends of the first pipe a and the second pipe b connected with the temperature measuring device c are provided with external threads, the first pipe a and the second pipe b are respectively in threaded connection with the temperature measuring device c, for facilitating operation during connection, further, the device main body 1 extends outwards towards the pipeline channel 2 to form a connecting portion 14 in the shape of a nut.
In another embodiment, the main body 1 of the device extends outwards in the direction of the pipeline channel 2 to form a connecting part 14 with external threads, the ends of the first pipe a and the second pipe b connected with the temperature measuring device c are provided with internal threads, the first pipe a and the second pipe b are respectively connected with the temperature measuring device c in a threaded manner, and for convenience of operation during connection, further, the position of the connecting part 14 close to the main body 1 of the device is provided in the form of a nut.
When the pipeline system is connected with a fluid medium, the fluid medium flows through the first pipe a, the pipeline channel 2 and the second pipe b in sequence, and the temperature measuring element 3 arranged on the temperature measuring device c measures the temperature of the fluid medium flowing through a certain point of the pipeline channel 2. 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.
The utility model adopts the infrared temperature measuring element 3, the infrared temperature measuring element 3 is the prior art, and the description is not repeated herein; the device main body 1 of the temperature measuring device c is provided with an installation channel 4 on one side of the pipeline channel 2, the installation channel 4 points to the pipeline channel 2, the pipeline channel 2 and the installation channel 4 are divided into two spaces which are not communicated with each other through a partition wall 6, an infrared temperature measuring element 3 is installed and arranged in the installation channel 4, a cavity formed between the detection end of the infrared temperature measuring element 3 and the partition wall 6 is called as a temperature measuring cavity 5, and the infrared temperature measuring element 3 detects the temperature of the partition wall 6.
The external detection type detects the temperature of the partition wall 6 through the fluid medium, and the actual detection is that the sensitivity of the test data is equal to: the thickness of partition wall 6, the thermal conductivity of the material of partition wall 6, and the contact area of the fluid medium are related, and the detection sensitivity is increased when the thickness of partition wall 6 is smaller, the contact area is larger, and the thermal conductivity is higher.
On the basis, copper, stainless steel, aluminum and the like with high thermal conductivity can be selected as materials of the pipe wall of the pipeline channel, and on the premise that the normal pressure pipeline channel 2 is not deformed, the thickness of the partition wall 6 is selected to be corresponding to the thickness according to a use scene; meanwhile, the partition wall 6 is sunken towards one side of the pipeline channel 2, an inward convex structure is formed on one side of the pipeline channel 2, which is contacted with the fluid medium, so that the contact area with the fluid medium is increased, and the infrared temperature measuring element 3 detects the temperature of the sunken part 7 of the partition wall 6.
The radiation emitted by the partition wall 6 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 the air medium existing in the temperature measurement cavity 5 can have a certain influence on the measurement result and the sensitivity, and therefore, in a specific embodiment, the temperature measurement cavity 5 is a vacuum cavity without the air medium, and the embodiment has the advantages that the influence of the vacuum cavity on the measurement result and the sensitivity is negligible, but has the defects that the processing technology is complex, and the damage is irreversible once air leaks.
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 has a poor effect, on the basis of this, the plurality of ventilation flow channels 8 are arranged to accelerate the heat dissipation speed, and more closely, 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, and with the temperature measurement cavity 5 as a starting point, an 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.
The infrared temperature measurement element 3 can adopt the basic element purchased on the market, in order to guarantee the security, need encapsulate it in the installation passageway 4 of device main part 1, specifically, as shown in fig. 3, the installation passageway 4 to infrared temperature measurement element 3 pin end department fills the encapsulation of silicone grease 12, the pin of infrared temperature measurement element 3 passes sealed silicone grease 12 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 13, sealed end cap 13 can with installation passageway 4 threaded connection, also can weld, the signal line passes sealed end cap and is connected with infrared temperature measurement element 3's pin.
Claims (10)
1. A temperature measuring device is characterized in that,
be provided with pipeline passageway, temperature measurement cavity and infrared temperature measurement component, wherein:
the pipeline channel and the temperature measuring cavity are divided into two spaces which are not communicated with each other through a partition wall, and the pipeline channel penetrates through the device main body;
the infrared temperature measuring element penetrates through the temperature measuring cavity to detect the temperature of the partition wall.
2. The temperature measuring device of claim 1, wherein the partition is recessed toward the side of the conduit passage, and the temperature of the recessed portion of the partition of the infrared temperature measuring element is detected.
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 temperature measuring device of claim 1, wherein the end portions of the two ends of the pipeline channel are provided with internal threads.
7. 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.
8. The temperature measuring device of claim 7, 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.
9. The temperature sensing device of claim 7, wherein the mounting channel at the pin end of the infrared temperature sensing element is encapsulated by silicone.
10. A pipeline 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 with a pipeline channel respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220798676.XU CN217878017U (en) | 2022-03-31 | 2022-03-31 | Temperature measuring device and pipeline system using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220798676.XU CN217878017U (en) | 2022-03-31 | 2022-03-31 | Temperature measuring device and pipeline system using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217878017U true CN217878017U (en) | 2022-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220798676.XU Active CN217878017U (en) | 2022-03-31 | 2022-03-31 | Temperature measuring device and pipeline system using same |
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| Country | Link |
|---|---|
| CN (1) | CN217878017U (en) |
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- 2022-03-31 CN CN202220798676.XU patent/CN217878017U/en active Active
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