CN202853785U - Apparatus for measuring temperature of pipe wall of electric heating pool boiling reinforced surface pipe - Google Patents
Apparatus for measuring temperature of pipe wall of electric heating pool boiling reinforced surface pipe Download PDFInfo
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- CN202853785U CN202853785U CN 201220542314 CN201220542314U CN202853785U CN 202853785 U CN202853785 U CN 202853785U CN 201220542314 CN201220542314 CN 201220542314 CN 201220542314 U CN201220542314 U CN 201220542314U CN 202853785 U CN202853785 U CN 202853785U
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- strengthening surface
- pool boiling
- measuring
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Abstract
The utility model discloses an apparatus for measuring the temperature of a pipe wall of an electric heating pool boiling reinforced surface pipe, which is simple and easy in operation and high in accuracy, wherein the outer wall of a filling pipe is provided with a plurality of thermocouple mounting grooves, the plurality of thermocouple mounting grooves are used for mounting a plurality of thermocouples axially arranged on a plurality of measuring points along a same line, the thermocouples are welded inside the thermocouple mounting grooves respectively, the thermocouples are respectively wrapped with a thermocouple protection sleeve, the thermocouple mounting grooves are filled with a tin layer, and each thermocouple passes through the thermocouple mounting groove. The apparatus for measuring the temperature of the pipe wall of an electric heating pool boiling reinforced surface pipe is mounted between a reinforced surface pipe and an electric heating bar to measure the temperature of the inner wall of the reinforced surface pipe, thereby avoiding a pool boiling heat exchange error caused by welding the thermocouples at the outer side of the reinforced surface pipe, being high in accuracy, simultaneously preventing the structure of the reinforced surface pipe from being damaged, and being more convenient in processing and simple and easy in operation.
Description
Technical field
The utility model relates to a kind of temperature measuring equipment, particularly relates to a kind of device of measuring electrical heating pool boiling strengthening surface tube wall temperature.
Background technology
Pool Boiling Heat Transfer is a kind of important form in conducting heat, and the strengthening surface pipe is a kind of important enhanced heat exchange means, and research strengthening surface pipe Pool Boiling Heat Transfer characteristic can provide foundation for the full-liquid type design of heat exchanger.Pool Boiling Heat Transfer mainly contains two kinds to the type of heating of boiling liquid: a kind of is electrical heating, and another kind is to pass through fluid heating in the pipe.In the Pool Boiling Heat Transfer characteristic research, the wall surface temperature that accurately obtains the strengthening surface pipe is most important to the research of Pool Boiling Heat Transfer characteristic.
Document [S.B.Memory.Nucleate pool boiling of R-114 and R-114-oilmixtures from smooth and enhanced surfaces-I.Single tubes.Int.J.HeatMass Transfer, the method that pipe obtains wall surface temperature of filling of using is disclosed 1995], and pointing out needs to install four thermopairs at least in order to obtain comparatively accurately average tube wall temperature.Be that ZL201020612751.6, invention and created name disclose a kind of device for measuring temperature of external wall of round pipe section in the patent documentation of " device for measuring temperature of external wall of round pipe section " in the patent No., although the number of the point for measuring temperature that this device can be arranged and pipe diameter size are all unrestricted, but it can not be used for the measurement of strengthening surface outside wall temperature, use this device can destroy the structural parameters of strengthening surface, affect the Pool Boiling Heat Transfer performance.
Be that CN201110001241.4, invention and created name disclose a kind of temperature-measuring device for cylindrical combustion chamber wall in for " a kind of temperature-measuring device for cylindrical combustion chamber wall " at number of patent application, this device comprises pressing plate and spring thermopair, in spring thermocouple temperature measurement process, can remain contacting of spring thermocouple temperature measurement head and cylindrical combustion chamber wall measuring point, avoid loose contact to cause the measurement misalignment.This wall temperature measuring equipment needs certain space that pressing plate and spring thermopair are installed, and can not realize that the wall surface temperature of strengthening surface pipe is measured.
The method of current acquisition wall surface temperature is to get out measured hole and two kinds of methods of thermopair in the welding of measuring point place, strengthening surface tube outside by numerically-controlled machine at the strengthening surface pipe, get out this method of measured hole by numerically-controlled machine at the strengthening surface pipe and can't obtain strengthening surface pipe midfeather surface temperature, and on thinner strengthening surface pipe, can't bore measured hole.Measuring point goes out thermopair in the welding outside the strengthening surface pipe, can destroy the surface structure of strengthening surface pipe, affects the Pool Boiling Heat Transfer characteristic, and the thermopair in the welding of this method comes off easily.
The utility model content
The purpose of this utility model is for the technological deficiency that exists in the prior art, and provides a kind of simple, and the device of strengthening surface tube wall temperature can accurately be provided.
For realizing that the technical scheme that the purpose of this utility model adopts is:
A kind of device of measuring electrical heating pool boiling strengthening surface tube wall temperature, comprise and fill pipe, be provided with a plurality of the installation of TC grooves on the outer wall of described filling pipe, a plurality of described the installation of TC grooves are used for the installation shaft thermopair that a plurality of measuring points are arranged to same straight line diverse location place; Be welded with respectively thermopair in each described the installation of TC groove; described thermopair outer cover has protective cover for thermocouple; described the installation of TC groove place is filled with the tin layer; each thermopair is drawn by described the installation of TC groove, and the inner and outer wall of described filling pipe is connected with the strengthening surface pipe box with electrical bar respectively and is connected.
The cross section of described the installation of TC groove is rectangle.
The trajectory of described the installation of TC groove is shaped as linear or spiral yarn shaped.
Described filling pipe and thermoelectric stick and strengthening surface pipe closely connect into three-decker by cold-drawn.
When the point for measuring temperature number of arranging on the axial same straight line of strengthening surface tube-surface is even number, the tube wall two ends are arranged symmetrically with centered by the central cross-section of strengthening surface pipe, when the measuring point of arranging on the axial same straight line of strengthening surface tube-surface was odd number, the point for measuring temperature of a side manyed one of layout than opposite side.
Compared with prior art, the beneficial effects of the utility model are:
1, the device of measurement wall temperature of the present utility model is installed between strengthening surface pipe and the electrical bar, thermopair can directly be measured the temperature of the inside surface of thermoexcell, the temperature that measures is strengthening surface inside pipe wall temperature, can avoid the error that Pool Boiling Heat Transfer caused at strengthening surface tube outside sweating heat galvanic couple, accuracy is high.And, avoided processing more convenient, simple to the structural damage of strengthening surface tube-surface.
2, in the device of measurement wall temperature of the present utility model, because thermopair is filled the application of pipe groove, can obtain the wall temperature of a plurality of measuring points in axial same straight line diverse location place.
3, in the device of measurement wall temperature of the present utility model, the trajectory that thermopair is filled the pipe groove is shaped as linear and spiral line type, and the groove size cooperates with thermocouple protective casing, and groove interface is rectangle, is convenient to machine work production.
Description of drawings
Figure 1 shows that a kind of xsect enlarged diagram of measuring the device of electrical heating pool boiling strengthening surface tube wall temperature of the utility model;
Figure 2 shows that the front view of filling pipe;
Figure 3 shows that the right view of filling pipe;
Figure 4 shows that the vertical view of filling pipe.
Among the figure: 1. strengthening surface pipe, 2. fill pipe, 3. thermopair is 4. filled tin layer, 5. electrical bar, 6. the installation of TC groove.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
The utility model is a kind of measures the synoptic diagram of device of electrical heating pool boiling strengthening surface tube wall temperature such as Fig. 1-shown in Figure 4, comprise and fill pipe 2, be provided with a plurality of the installation of TC grooves 6 on the outer wall of described filling pipe 2, a plurality of described the installation of TC grooves are used for the installation shaft thermopair that a plurality of measuring points are arranged to same straight line diverse location place, wherein, the cross section of described the installation of TC groove 6 is rectangle, and the trajectory of described the installation of TC groove is shaped as linear or spiral yarn shaped.Each described the installation of TC groove 6 interior thermopair 3 that are welded with respectively, described thermopair 3 outer cover have protective cover for thermocouple, and described the installation of TC groove 6 places are filled with tin layer 4, and each thermopair 3 is drawn by described the installation of TC groove 6.When the point for measuring temperature number of arranging on the axial same straight line of strengthening surface tube-surface is even number, the tube wall two ends are arranged symmetrically with centered by the central cross-section of strengthening surface pipe, when the measuring point of arranging on the axial same straight line of strengthening surface tube-surface was odd number, the point for measuring temperature of a side manyed one of layout than opposite side.
Wherein, the inner and outer wall of described filling pipe 2 respectively with electrical bar 5 is connected with the strengthening surface pipe cover closely be connected, in the present embodiment, described filling pipe and thermoelectric stick and strengthening surface pipe closely connect into three-decker by cold-drawn.
The installation of TC groove can use lathe to process at the filling tube-surface, and thermopair is welded in measuring point place corresponding to the installation of TC groove with soldering.Thermopair puts protective cover for thermocouple and is placed in the installation of TC groove; thermopair is drawn along the installation of TC groove of filling on the pipe; in the installation of TC groove, fill the full good filling tin layer of thermal conductivity with thermopair and protective cover for thermocouple place; strengthening surface pipe, filling pipe, electrical bar three-decker adopt the cold-drawn technology closely to connect; there is not the slit; can well guarantee heat-transfer effect, realize exactly the measurement of a plurality of measuring point wall surface temperatures in axial same straight line diverse location place.Thereby for the Pool Boiling Heat Transfer performance study provides accurately wall surface temperature of strengthening surface pipe.
The above only is preferred implementation of the present utility model; should be noted that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. device of measuring electrical heating pool boiling strengthening surface tube wall temperature, it is characterized in that, comprise and fill pipe, be provided with a plurality of the installation of TC grooves on the outer wall of described filling pipe, a plurality of described the installation of TC grooves are used for the installation shaft thermopair that a plurality of measuring points are arranged to same straight line diverse location place; Be welded with respectively thermopair in each described the installation of TC groove; described thermopair outer cover has protective cover for thermocouple; described the installation of TC groove place is filled with the tin layer; each thermopair is drawn by described the installation of TC groove, and the inner and outer wall of described filling pipe is connected with the strengthening surface pipe box with electrical bar respectively and is connected.
2. the device of measurement electrical heating pool boiling strengthening surface tube wall temperature according to claim 1 is characterized in that the cross section of described the installation of TC groove is rectangle.
3. the device of measurement electrical heating pool boiling strengthening surface tube wall temperature according to claim 1 is characterized in that the trajectory of described the installation of TC groove is shaped as linear or spiral yarn shaped.
4. the device of measurement electrical heating pool boiling strengthening surface tube wall temperature according to claim 1 is characterized in that described filling pipe and thermoelectric stick and strengthening surface pipe closely connect into three-decker by cold-drawn.
5. the device of measurement electrical heating pool boiling strengthening surface tube wall temperature according to claim 1, it is characterized in that, when the point for measuring temperature number of arranging on the axial same straight line of strengthening surface tube-surface is even number, the tube wall two ends are arranged symmetrically with centered by the central cross-section of strengthening surface pipe, when the measuring point of arranging on the axial same straight line of strengthening surface tube-surface was odd number, the point for measuring temperature of a side manyed one of layout than opposite side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220542314 CN202853785U (en) | 2012-10-22 | 2012-10-22 | Apparatus for measuring temperature of pipe wall of electric heating pool boiling reinforced surface pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220542314 CN202853785U (en) | 2012-10-22 | 2012-10-22 | Apparatus for measuring temperature of pipe wall of electric heating pool boiling reinforced surface pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202853785U true CN202853785U (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220542314 Expired - Fee Related CN202853785U (en) | 2012-10-22 | 2012-10-22 | Apparatus for measuring temperature of pipe wall of electric heating pool boiling reinforced surface pipe |
Country Status (1)
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| CN (1) | CN202853785U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928107A (en) * | 2012-10-22 | 2013-02-13 | 天津商业大学 | Device for measuring wall temperature of boiling reinforced surface tube of electric heating pool |
| CN104535209A (en) * | 2014-12-18 | 2015-04-22 | 榆林学院 | Horizontal casing pipe type condenser wall surface multipoint temperature measuring device |
| CN104977094A (en) * | 2015-08-06 | 2015-10-14 | 歌尔声学股份有限公司 | Thermal melting head temperature measuring device |
| CN105976880A (en) * | 2016-06-01 | 2016-09-28 | 中国核动力研究设计院 | Immersion type heat transfer pipe outer wall temperature measurement system and installation method thereof |
| CN108917961A (en) * | 2018-07-27 | 2018-11-30 | 中国核动力研究设计院 | A kind of cluster fuel assembly multiple spot wall temperature measurement device under moving condition |
-
2012
- 2012-10-22 CN CN 201220542314 patent/CN202853785U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928107A (en) * | 2012-10-22 | 2013-02-13 | 天津商业大学 | Device for measuring wall temperature of boiling reinforced surface tube of electric heating pool |
| CN104535209A (en) * | 2014-12-18 | 2015-04-22 | 榆林学院 | Horizontal casing pipe type condenser wall surface multipoint temperature measuring device |
| CN104977094A (en) * | 2015-08-06 | 2015-10-14 | 歌尔声学股份有限公司 | Thermal melting head temperature measuring device |
| CN104977094B (en) * | 2015-08-06 | 2017-10-17 | 歌尔股份有限公司 | Heat head temperature measuring equipment |
| CN105976880A (en) * | 2016-06-01 | 2016-09-28 | 中国核动力研究设计院 | Immersion type heat transfer pipe outer wall temperature measurement system and installation method thereof |
| CN108917961A (en) * | 2018-07-27 | 2018-11-30 | 中国核动力研究设计院 | A kind of cluster fuel assembly multiple spot wall temperature measurement device under moving condition |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20141022 |
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| EXPY | Termination of patent right or utility model |