CN204758162U - A temperature measurement system for regional cooling heat supply pipeline - Google Patents
A temperature measurement system for regional cooling heat supply pipeline Download PDFInfo
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- CN204758162U CN204758162U CN201520433917.0U CN201520433917U CN204758162U CN 204758162 U CN204758162 U CN 204758162U CN 201520433917 U CN201520433917 U CN 201520433917U CN 204758162 U CN204758162 U CN 204758162U
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- cooling heat
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Abstract
The utility model discloses a temperature measurement system for regional cooling heat supply pipeline, including sensing fiber, photoelectric conversion system and signal processing system, sensing fiber is the spiral winding form along cooling heat supply pipeline surface and arranges that its input with the photoelectric conversion system is connected, will follow dorsad the anti -stokes light sum stokes optical transmission drawed out in the scattered light for the photoelectric conversion system, the output and the signal processing system of photoelectric conversion system are connected, signal processing system utilizes the signal of telecommunication to obtain continuous distribution of temperature in the optic fibre length. The utility model discloses utilize the signal of telecommunication to obtain the continuous distribution of temperature in the optic fibre length, if there is cooling heat supply pipeline leakage point, then pipeline leakage point generating temperature changes, therefore passes through the position of measurable pipeline leakage point of temperature measurement optical fiber.
Description
Technical field
The utility model relates to field of temperature measurement, relates in particular to a kind of temp measuring system for district cooling and heating pipeline.
Background technology
Current district cooling and heating piping system there is no convenient ripe pipeline leak detection method, especially direct buried pipeline.
Existing district cooling and heating pipeline leak detection method of testing comprises robot detection, walkaway etc., but the aspect such as testing cost, adaptability problem there is no and is resolved well.
And the leak detection test of district cooling and heating pipeline and temperature test are directly connected to thermal loss and the pressure loss of region energy supply, therefore in the urgent need to developing convenient, efficient, reliable thermometric and leak detection system.
Utility model content
For the problems referred to above, the purpose of this utility model is to provide a kind of temp measuring system for district cooling and heating pipeline, to solve the problems of the prior art.
To achieve these goals, the technical solution of the utility model is as follows:
For the temp measuring system of district cooling and heating pipeline, it is characterized in that: comprise sensor fibre, photo-translating system and signal processing system;
Described sensor fibre is helically wound around shape along cold and heat supply pipe surface and arranges, it is connected with the input end of photo-translating system, and the anti-Stokes light extracted from back-scattering light and stokes light are transferred to photo-translating system;
The output terminal of described photo-translating system is connected with signal processing system, for the light intensity of anti-Stokes light and stokes light is converted to electric signal, and sends to signal processing system;
Described signal processing system utilizes electric signal to obtain continuous print Temperature Distribution on fiber lengths.
Cold and heat supply pipeline is provided with valve, is wound around some circle sensor fibres in advance at the pipeline place of valve both sides.
The continuous temperature that the utility model utilizes electric signal to obtain on fiber lengths distributes, if there is cold and heat supply pipe leakage point, then pipe leakage point occurrence temperature change, thus can measure the position of pipe leakage point by temperature-measuring optical fiber.
Compared with prior art, the beneficial effects of the utility model are as follows:
By adopting Fiber Optic Pyrometer, by the technical characterstic of distributed optical fiber temperature measurement, thermometry and pipeline leak detection technology being organically combined, reaches accurate measurement, improve the feature of systems axiol-ogy reliability.
The detailed description and obtaining that feature of the present utility model can consult the graphic and following better embodiment of this case is well understood to.
Accompanying drawing explanation
Fig. 1 is the optical fiber temperature measurement system structure principle chart for district cooling and heating pipeline described in the utility model.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, setting forth the utility model further below in conjunction with specific embodiment.
See Fig. 1, for the temp measuring system of district cooling and heating pipeline, comprise sensor fibre 1, photo-translating system 2 and signal processing system 3.
Sensor fibre 1 is helically wound around shape layout along the surface of cold and heat supply pipeline 4, and it is connected with the input end of photo-translating system 2, and the anti-Stokes light extracted from back-scattering light and stokes light are transferred to photo-translating system.
Cold and heat supply pipeline 4 is provided with valve 5, at pipeline place a few circle sensor fibre 6 of many windings in advance of valve 5 both sides, to avoid the problem due to the shorter inconvenient replacing valve of sensor fibre.
The output terminal of described photo-translating system 2 is connected with signal processing system 3, for the light intensity of anti-Stokes light and stokes light is converted to electric signal, and sends to signal processing system;
Signal processing system utilizes electric signal to obtain continuous print Temperature Distribution on fiber lengths.
The continuous temperature that the utility model utilizes electric signal to obtain on fiber lengths distributes, if there is cold and heat supply pipe leakage point, then pipe leakage point occurrence temperature change, thus can measure the position of pipe leakage point by temperature-measuring optical fiber.
More than show and describe ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; the just principle of the present utility model described in above-described embodiment and instructions; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall in claimed scope of the present utility model.The protection domain that the utility model requires is defined by appending claims and equivalent thereof.
Claims (2)
1. for the temp measuring system of district cooling and heating pipeline, it is characterized in that: comprise sensor fibre, photo-translating system and signal processing system;
Described sensor fibre is helically wound around shape along cold and heat supply pipe surface and arranges, it is connected with the input end of photo-translating system, and the anti-Stokes light extracted from back-scattering light and stokes light are transferred to photo-translating system;
The output terminal of described photo-translating system is connected with signal processing system, for the light intensity of anti-Stokes light and stokes light is converted to electric signal, and sends to signal processing system;
Described signal processing system utilizes electric signal to obtain continuous print Temperature Distribution on fiber lengths.
2. the temp measuring system for district cooling and heating pipeline according to claim 1, is characterized in that: on cold and heat supply pipeline, be provided with valve, is wound around some circle sensor fibres in advance at the pipeline place of valve both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520433917.0U CN204758162U (en) | 2015-06-23 | 2015-06-23 | A temperature measurement system for regional cooling heat supply pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520433917.0U CN204758162U (en) | 2015-06-23 | 2015-06-23 | A temperature measurement system for regional cooling heat supply pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN204758162U true CN204758162U (en) | 2015-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201520433917.0U Expired - Fee Related CN204758162U (en) | 2015-06-23 | 2015-06-23 | A temperature measurement system for regional cooling heat supply pipeline |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644276A (en) * | 2017-01-11 | 2017-05-10 | 唐山市神州科贸有限公司 | Monitoring system for detecting tank leakage by utilizing distributed optical fiber |
| CN106872114A (en) * | 2016-12-30 | 2017-06-20 | 北京航天易联科技发展有限公司 | A kind of heat supply pipeline monitoring of leakage method and system |
-
2015
- 2015-06-23 CN CN201520433917.0U patent/CN204758162U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872114A (en) * | 2016-12-30 | 2017-06-20 | 北京航天易联科技发展有限公司 | A kind of heat supply pipeline monitoring of leakage method and system |
| CN106644276A (en) * | 2017-01-11 | 2017-05-10 | 唐山市神州科贸有限公司 | Monitoring system for detecting tank leakage by utilizing distributed optical fiber |
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Legal Events
| 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: 20151111 Termination date: 20210623 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |