CN102419161B - Pipeline length measuring device for pipeline full of incompressible fluid - Google Patents
Pipeline length measuring device for pipeline full of incompressible fluid Download PDFInfo
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- CN102419161B CN102419161B CN2011102236994A CN201110223699A CN102419161B CN 102419161 B CN102419161 B CN 102419161B CN 2011102236994 A CN2011102236994 A CN 2011102236994A CN 201110223699 A CN201110223699 A CN 201110223699A CN 102419161 B CN102419161 B CN 102419161B
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- pipeline
- length
- incompressible fluid
- receptacle
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Abstract
The invention discloses a pipeline length measuring device for a pipeline full of incompressible fluid. The pipeline length measuring device comprises a pressure wave signal collecting analyzer, pressure wave signal collecting wires, a pressure wave emitter, a pressure wave receiver, a pipeline inlet joint and a pipeline outlet joint, wherein the pressure wave signal collecting analyzer is respectively connected with the pressure wave emitter and the pressure wave receiver by the pressure wave signal collecting wires, the pipeline inlet joint is arranged on the pressure wave emitter, and the pipeline outlet joint is arranged on the pressure wave receiver. According to the measuring device disclosed by the invention, the pressure wave emitter is arranged on a pipeline inlet, the pressure wave receiver is arranged on a pipeline outlet and used for receiving the pressure wave sent by the pressure wave emitter, and the actual length of the pipeline is figured out according to a time difference or a phase difference for transmitting and receiving the pressure wave, thus the measuring speed and the measuring precision for measurement of the length of the pipeline are increased.
Description
Technical field
The present invention relates to the measuring equipment of duct length, relate in particular to and a kind ofly for being full of the incompressible fluid pipeline, measure the measurement mechanism of its duct length, be particularly useful for the ground source heat pump imbedded pipe measurement of length.
Background technology
Along with the active demand of China's building energy conservation, the exploitation of geothermal energy are paid attention to widely.Soil source heat pump system, because of advantages such as it are reliable, energy-efficient, maintenance cost is low, is that more a kind of heat pump is applied in current application.The principle of work of soil source heat pump system is: under winter condition, gather heat by ground heat exchanger to indoor heating from soil; Under summer condition, the heat from indoor collection is discharged into soil by ground heat exchanger.Ground heat exchanger carries out heat interchange by transmission and the soil of thermal medium, and wherein thermal medium is generally incompressible fluid.Thereby heat transfer effect during ground heat exchanger operation steady in a long-term is the basis of soil source heat pump system application.The soil source heat exchanger embedding manner mainly comprises two kinds: perpendicularly buried pipe and horizontal coiled pipe.
But, in actual engineering operation, sometimes be difficult to obtain the exact length of ground source heat pump imbedded pipe, especially, when testing for ground heat exchanger, the ground source heat pump imbedded pipe error will directly affect the entirely design of source heat pump system and later service ability.At present, also lack the effective tool of measuring ground source heat pump imbedded pipe length.
Summary of the invention
The object of the invention is to overcome the defect of prior art and provide a kind of for being full of the device for measuring length of pipeline of incompressible fluid pipeline, for the engineering application provides duct length data accurately, especially solve the problem of ground source heat pump imbedded pipe linear measure longimetry, testing and detect actual construction length for ground heat exchanger provides accurate data.
The object of the present invention is achieved like this:
Of the present invention a kind of for being full of the device for measuring length of pipeline of incompressible fluid pipeline, comprise that pressure wave signal acquisition and analysis instrument, pressure wave signal gather wire, pressure wave transmitter, pressure wave receptacle, conduit entrance joint and pipe outlet joint, wherein
Described pressure wave signal acquisition and analysis instrument gathers wire by pressure wave signal and is connected with described pressure wave receptacle and is connected with described pressure wave transmitter respectively;
Described conduit entrance joint is located on described pressure wave transmitter;
Described pipe outlet joint is located on described pressure wave receptacle.
Described conduit entrance joint is connected with the import and export of tested pipeline respectively with the pipe outlet joint.
Described pressure wave transmitter can be pressurizeed to the liquid in pipeline, can produce and send dissimilar pressure wave, for example pulsed pressure wave, sine pressure wave.
Described pressure wave receptacle can be rapidly, the situation of change of pipelines top hole pressure exactly, can be the higher and willing various pressure probe of sensitivity.
Described pressure wave signal acquisition and analysis instrument gathers each signal of pressure wave transmitter and pressure wave receptacle constantly of wire continuous acquisition by pressure wave signal, and can utilize the basic parameter of the signal that collects and user's setting automatically to calculate the length of pipeline.
Apparatus of the present invention are particularly useful for but are not limited to the ground source heat pump imbedded pipe measurement of length.
Beneficial effect of the present invention is: the present invention is for being full of the device for measuring length of pipeline of incompressible fluid pipeline by the pressure wave transmitter is set in conduit entrance, at pipe outlet, the pressure wave receptacle is set and receives the pressure wave that the pressure wave transmitter sends, the physical length of calculating pipeline according to mistiming or the phase differential of sending and receiving pressure wave, improved measuring speed and measuring accuracy that duct length is measured.
Simultaneously, device for measuring length of pipeline of the present invention when the ground source heat pump imbedded pipe linear measure longimetry, is not subject to the restriction of pipe laying form, can measure the U-shaped underground pipe length of vertical list, flatly buried pipe length or other forms of single underground pipe length.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the schematic diagram that the present invention measures the U-shaped underground pipe length of vertical list;
Fig. 3 is that the present invention measures the flatly schematic diagram of buried pipe length.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Refer to Fig. 1, there is shown the present invention for being full of the device for measuring length of pipeline of incompressible fluid pipeline, this device for measuring length of pipeline 1 comprises that pressure wave signal acquisition and analysis instrument 11, pressure wave signal gather wire 12, pressure wave transmitter 13, pressure wave receptacle 14, conduit entrance joint 15 and pipe outlet joint 16, wherein: an end of pressure wave signal acquisition and analysis instrument 11 gathers wire 12 by pressure wave signal and is connected with pressure wave transmitter 13, and the other end gathers wire 12 by pressure wave signal and is connected with pressure wave receptacle 14; Pressure wave transmitter 13 is provided with conduit entrance joint 15; Pressure wave receptacle 14 is provided with pipe outlet joint 16, and conduit entrance joint 15 is connected with the import and export of tested pipeline respectively with pipe outlet joint 16.
Refer to Fig. 2, there is shown device for measuring length of pipeline 1 of the present invention for measuring U-shaped underground pipe 3 length of vertical list, conduit entrance joint 15 is connected with the import 31 of vertical single U-shaped underground pipe 3, pipe outlet joint 16 is connected with its outlet 32, water) and pressurization by pressure wave transmitter 13, to filling liquid in pipeline, (for example:, pressure wave receptacle 14 is by the outlet of underground pipe 3 32 sealings.Because underground pipe 3 is buried in soil, keep fixing, the liquid injected can be considered incompressible fluid, and when the pressure at pressure wave transmitter 13 places changes, the liquid of underground pipe 3 can well pass to pressure wave receptacle 14 according to certain speed by this variation.While measuring underground pipe length, produce and send a kind of pressure wave of type by pressure wave transmitter 13, pressure wave receptacle 14 receives the pressure wave that pressure wave transmitter 13 sends, pressure wave signal acquisition and analysis instrument 11 by pressure wave signal gather wire 12 can continuous acquisition each signal of pressure wave transmitter 13 and pressure wave receptacle 14 constantly, thereby the mistiming by transmitting-receiving between pressure wave or phase differential calculate the distance of pressure wave transmitter 13 to pressure wave receptacle 14, and then utilize Parameter Calculation that the user sets to go out the length of underground pipe 3.
Embodiment 2
Refer to Fig. 3, there is shown device for measuring length of pipeline 1 of the present invention for measuring flatly pipe laying 4 length, conduit entrance joint 15 is connected with the flatly import 41 of pipe laying 4, and pipe outlet joint 16 is connected with its outlet 42, and measuring principle and method are identical with embodiment 1.
Device for measuring length of pipeline of the present invention can also be measured other duct lengths that lays form, is not limited to the underground pipe form shown in embodiment 1 and embodiment 2.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present invention, should be limited by each claim.
Claims (4)
1. one kind for being full of the device for measuring length of pipeline of incompressible fluid pipeline, for the ground buried pipe of ground source heat pump measurement of length, it is characterized in that, described device for measuring length of pipeline comprises that pressure wave signal acquisition and analysis instrument, pressure wave signal gather wire, pressure wave transmitter, pressure wave receptacle, conduit entrance joint and pipe outlet joint, wherein
Described pressure wave signal acquisition and analysis instrument gathers wire by pressure wave signal and is connected with described pressure wave receptacle and is connected with described pressure wave transmitter respectively;
Described conduit entrance joint is located on described pressure wave transmitter;
Described pipe outlet joint is located on described pressure wave receptacle,
Described pressure wave transmitter is pressurizeed to the liquid in pipeline, produces concurrent pressurization pressure ripple.
2. as claimed in claim 1 a kind ofly it is characterized in that for being full of the device for measuring length of pipeline of incompressible fluid pipeline, the pressure wave that described pressure wave transmitter produces and sends is pulsed pressure wave or sine pressure wave.
3. as claimed in claim 1 a kind ofly it is characterized in that for being full of the device for measuring length of pipeline of incompressible fluid pipeline, described pressure wave receptacle is the pressure probe of situation of change that can pipelines outlet connection place pressure.
4. as claimed in claim 1 a kind of for being full of the device for measuring length of pipeline of incompressible fluid pipeline, it is characterized in that, described pressure wave signal acquisition and analysis instrument gathers each signal of pressure wave transmitter and pressure wave receptacle constantly of wire continuous acquisition by pressure wave signal, and can utilize the basic parameter of the signal that collects and user's setting automatically to calculate the length of tested pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102236994A CN102419161B (en) | 2011-08-05 | 2011-08-05 | Pipeline length measuring device for pipeline full of incompressible fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102236994A CN102419161B (en) | 2011-08-05 | 2011-08-05 | Pipeline length measuring device for pipeline full of incompressible fluid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102419161A CN102419161A (en) | 2012-04-18 |
| CN102419161B true CN102419161B (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102236994A Expired - Fee Related CN102419161B (en) | 2011-08-05 | 2011-08-05 | Pipeline length measuring device for pipeline full of incompressible fluid |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352401B (en) * | 2015-11-30 | 2018-04-03 | 安徽省建筑科学研究设计院 | A kind of duct length measuring instrument and measuring method |
| CN111624012B (en) * | 2020-06-02 | 2022-03-22 | 南京绿慧能源科技有限公司 | Ground source pipe detection device and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0296392A1 (en) * | 1987-06-24 | 1988-12-28 | Nippon Kokan Kabushiki Kaisha | Method and apparatus for determining length of pipe utilizing sound waves |
| CN202204484U (en) * | 2011-08-05 | 2012-04-25 | 东南大学 | Pipeline length measuring device for pipeline filled with uncompressed fluid |
-
2011
- 2011-08-05 CN CN2011102236994A patent/CN102419161B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0296392A1 (en) * | 1987-06-24 | 1988-12-28 | Nippon Kokan Kabushiki Kaisha | Method and apparatus for determining length of pipe utilizing sound waves |
| CN202204484U (en) * | 2011-08-05 | 2012-04-25 | 东南大学 | Pipeline length measuring device for pipeline filled with uncompressed fluid |
Non-Patent Citations (2)
| Title |
|---|
| 石油管道长度声波测量仪;陈曦等;<<电子技术应用>>;19941231;第25卷(第4期);全文 * |
| 陈曦等.石油管道长度声波测量仪.<<电子技术应用>>.1994,第25卷(第4期), |
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| CN102419161A (en) | 2012-04-18 |
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