CN104019775A - Method and system for measuring length of buried pipe - Google Patents
Method and system for measuring length of buried pipe Download PDFInfo
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- CN104019775A CN104019775A CN201410290679.2A CN201410290679A CN104019775A CN 104019775 A CN104019775 A CN 104019775A CN 201410290679 A CN201410290679 A CN 201410290679A CN 104019775 A CN104019775 A CN 104019775A
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Abstract
The invention discloses a method and system for measuring the length of a buried pipe. The method comprises the following steps: S1, selecting a buried pipe, filling measuring liquid into the buried pipe; S2, acquiring most measuring liquid in the buried pipe, collecting and recording the acquired volume of the measuring liquid; S3, acquiring residual measuring liquid in the buried pipeline, collecting and recording the volume of the residual measuring liquid; S4, acquiring the total volume of the measuring liquid according to the volumes of the measuring liquid in the steps S2 and S3; S5, acquiring the length of the buried pipe according to the inner diameter of the buried pipe and the total volume of the measuring liquid. Compared with the prior art, the method and system for measuring the length of a buried pipeline can be used for inspecting the length of a constructed buried pipe by a simple means, can determine whether the length of the constructed buried pipe can meet the design requirement or not, are wide in application range and simple in operation, and can improve the measurement efficiency.
Description
Technical field
The invention belongs to earth source heat pump design field, be specifically related to a kind of buried pipe length measurement method and measuring system.
Background technology
The development and utilization of green energy resource, has brought great superiority to society and people's life, particularly provides best guarantee to environmental protection and people healthy; Earth source heat pump is as a kind of Heating,Ventilating and Air Conditioning (HVAC) technology of regenerative resource, is the conventional high-efficiency energy-saving technology of building energy saving field in the world.
At present, soil source heat pump system is the most potential one in earth source heat pump, and its principle of work is, is used for gathering the buried pipe of underground heat by embedded underground, in buried pipe by the transmission of thermal medium carry out with soil in the heat interchange of underground heat.In ground source heat pump project, the length of buried pipe need to be by design and construction, to ensure heat transfer effect.
Conventionally, the embedding manner of buried pipe can be divided into horizontal coiled pipe and vertical pipe laying, wherein, the depth of burying of horizontal coiled pipe is more shallow, vertically pipe laying is relatively dark, and its common ground is: be all embedded in underground, therefore, after construction completes, be difficult to the length with the buried pipe after easy means inspection construction.
Further, cannot determine whether the buried pipe length of having constructed meets design requirement.
Therefore,, at earth source heat pump design field, a kind of method and the measuring system that can check the buried pipe length of having constructed of active demand, to meet deviser's demand.
Summary of the invention
For solving the problems of the technologies described above, the object of the present invention is to provide a kind of buried pipe length measurement method and measuring system, this measuring method and measuring system are applied widely, simple to operate, improve and measure efficiency.
Correspondingly, the buried pipe length measurement method of an embodiment of the present invention, described measuring method comprises the following steps:
S1, selected buried pipe fill metering liquid in described buried pipe;
S2, obtain the most of metering liquid in described buried pipe, collect and record the volume of the described metering liquid obtaining;
S3, obtain metering liquid remaining in described buried pipe, collect and record the metering liquid volume of described remnants;
S4, the metering liquid volume obtaining according to step S2, S3, obtain the total measurement (volume) of described metering liquid;
S5, according to the internal diameter of described buried pipe, and the total measurement (volume) of described metering liquid, obtains the length of described buried pipe.
As a further improvement on the present invention, described metering liquid is water.
As a further improvement on the present invention, after described step S1, described method is further comprising the steps of: get rid of the gas in described buried pipe.
As a further improvement on the present invention, described step S3 specifically comprises: by compressing the air in described buried pipe, obtain the metering liquid of described remnants in described buried pipe, collect and record the metering liquid volume of described remnants.
Accordingly, the buried pipe length measuring system of an embodiment of the present invention, described system comprises:
Filler cells, described filler cells for filling metering liquid in described buried pipe;
Metering units, the volume of the described metering liquid obtaining is collected and recorded to described metering units, for obtaining the most of metering liquid in described buried pipe; And, obtain metering liquid remaining in described buried pipe, collect and record the metering liquid volume of described remnants; And by above-mentioned metering liquid volume, obtain the total measurement (volume) of described metering liquid; According to the internal diameter of described buried pipe, and the total measurement (volume) of described metering liquid, obtain the length of described buried pipe.
As a further improvement on the present invention, described metering liquid is water.
As a further improvement on the present invention, described filler cells is also for getting rid of the gas of described buried pipe.
As a further improvement on the present invention, described metering units comprises:
Volume pump group, described volume pump group is for the metering liquid of described buried pipe is extracted out, and metering is by the volume of its described metering liquid;
Remaining liquid retracting device, described remaining liquid retracting device is used for the remaining metering liquid of described buried pipe to discharge, and measures the metering liquid volume of described remnants.
As a further improvement on the present invention, described volume pump group comprises: with the suction pump of the endpiece slitless connection of described buried pipe, described suction pump is for extracting the metering liquid of described buried pipe out; And the flowmeter being connected with described suction pump, described flowmeter is for measuring by the flow of the described metering liquid of described suction pump;
Described remaining liquid retracting device comprises: with the air compressor that described buried pipe endpiece docks, described air compressor is for compressing the air in described buried pipe, so that metering liquid remaining in described buried pipe is extruded; And the remaining liquid accumulator tank docking with described buried pipe inlet end, described remaining liquid accumulator tank is for depositing remaining described metering liquid, and, measure the volume of its inner remaining described metering liquid.
As a further improvement on the present invention, described metering units also comprises: the T-valve being connected with described volume pump group and described remaining liquid retracting device respectively, and described T-valve comprises three interfaces, is respectively A mouth, B mouth and C mouth;
When the A of described T-valve mouth is communicated with C mouth, when B mouth is closed, described volume pump group work;
When the B of described T-valve mouth is communicated with C mouth, when A mouth is closed, described remaining liquid retracting device work.
Compared with prior art, a kind of buried pipe length measurement method of the present invention and measuring system, can be by the length of the buried pipe after easy means inspection construction, and then, can determine whether the buried pipe length of having constructed meets design requirement, the method and system are applied widely, simple to operate, have improved measurement efficiency.
Brief description of the drawings
Fig. 1 is the process flow diagram of buried pipe length measurement method in embodiment of the present invention;
Fig. 2 is buried pipe length measuring system module diagram in embodiment of the present invention.
Embodiment
Describe the present invention below with reference to embodiment shown in the drawings.But these embodiments do not limit the present invention, the conversion in structure, method or function that those of ordinary skill in the art makes according to these embodiments is all included in protection scope of the present invention.
Describe the present invention below with reference to each embodiment shown in the drawings.But these embodiments do not limit the present invention, the conversion in structure, method or function that those of ordinary skill in the art makes according to these embodiments is all included in protection scope of the present invention.
As shown in Figure 1, in an embodiment of the present invention, described buried pipe length measurement method comprises the following steps:
S1, selected buried pipe fill metering liquid in described buried pipe.
Concrete, described buried pipe comprises two ports, between described two ports, interconnect, below for convenience of description, be entrance point by one of them port definition, relative one end is defined as endpiece.In described buried pipe, fill metering liquid from described entrance point; Further, the described metering liquid injecting in described buried pipe is not had to specific requirement, as long as it does not have corrosivity; In the specific embodiment of the present invention, because water does not have corrosivity, and be seen everywhere in life, cost is lower, therefore the described metering liquid of selecting is water.
It should be noted that, described buried pipe is in the time having buried underground, in order to keep its inner pressure, and the problem that prevents that described buried pipe inside from getting rusty etc. occurs, described buried pipe has been full of water conventionally, now, no longer need to change the metering liquid in described pipeline, only need to detect in described buried pipe, whether to be full of testing liquid completely.
Further, in order to ensure the accuracy of the result that finally will obtain, filling after metering liquid in described buried pipe, described method also comprises: get rid of the gas in described buried pipe.
After described step S1, described method also comprises: the metering liquid in described buried pipe is extracted out, and measured the cumulative volume of described metering liquid.
Accordingly, in recording process, there are differences according to realizing the selected device of the method, the described result that records can be: the cumulative volume of described metering liquid, the quality of described metering liquid etc.In the specific embodiment of the present invention, the cumulative volume that the result of record is described metering liquid.
S2, obtain the most of metering liquid in described buried pipe, collect and record the volume of the described metering liquid obtaining;
Accordingly, provide a volume pump group, by described volume pump group, the metering liquid in described buried pipe is extracted out, the metering scale of monitoring and record described volume pump group changes, to calculate the volume through the metering liquid of described volume pump group; Described volume pump group comprises: with the suction pump of the endpiece slitless connection of described buried pipe, described suction pump is for extracting the metering liquid of described buried pipe out; And with the flowmeter that described suction pump is connected, described flowmeter is for measuring by the flow of the described metering liquid of described suction pump.
Concrete, after step S1, seal the entrance point of described buried pipe, the entrance point rapid-acting coupling of described suction pump is docked with the endpiece of described buried pipe; Afterwards, connect electricity to described volume pump group, to open described volume pump group, and record the initial value of described flowmeter; Now, described suction pump is extracted metering liquid in described buried pipe out, and the metering liquid of extraction is discharged after by described flowmeter; In the process that the metering liquid in described buried pipe is discharged, the numerical value of described flowmeter is changing always, and the trend that is rising changes, described flowmeter Real-Time Monitoring recorded stream are through the fluctuations in discharge of its metering liquid, with by current count value is deducted to initial value, calculate the volume through the metering liquid of described volume pump group.
Accordingly, the metering liquid of extraction, by after described flowmeter, can enter trench drain, and another organizes buried pipe to be tested also can to reclaim access, with saving resource.
Accordingly, described volume represents the volume of metering liquid.
It should be noted that, described flowmeter can directly record the volume through its metering liquid; Also can record through its metering liquid quality, then by calculating the volume of described metering liquid.Described flowmeter can be also the tank with scale, and described suction pump is directly extracted the metering liquid in described buried pipe out and left in described tank, and according to the scale of described tank, directly obtains the volume of the metering liquid of its storage inside.
S3, obtain metering liquid remaining in described buried pipe, collect and record the metering liquid volume of described remnants.
Accordingly, in the time that the metering scale of described volume pump group stops changing, described volume pump group is separated with described buried pipe; Meanwhile, provide more than one liquid retracting device, described remaining liquid retracting device is docked with described buried pipe, metering liquid remaining in described buried pipe is discharged in described remaining liquid retracting device; And record metering liquid volume described in described remaining liquid retracting device; Described remaining liquid retracting device comprises: with the air compressor that described buried pipe docks, described air compressor is for compressing the air in described buried pipe, so that metering liquid remaining in described buried pipe is extruded; And for depositing the remaining liquid accumulator tank of remaining described metering liquid, described remaining liquid accumulator tank is for measuring the volume of its inner remaining described metering liquid.
Accordingly, the metering scale situation of change of flowmeter described in Real-Time Monitoring, in the time that the metering scale of described volume pump group stops changing, represents that suction pump extracts the most of metering liquid in described buried pipe out, and now, described suction pump can quit work; Meanwhile, the metering scale of described flowmeter also can stop changing.
Concrete, described volume pump group is separated with described buried pipe, described air compressor is connected to the entrance point of described buried pipe, described remaining liquid accumulator tank is connected to the endpiece of described buried pipe; Afterwards, start described air compressor, compress the air in described buried pipe by described air compressor, so that metering liquid remaining in described buried pipe is all extruded, and metering liquid remaining in described buried pipe is discharged in described remaining liquid accumulator tank; In the time that described air compressor quits work, represent that metering liquid remaining in described buried pipe is all discharged in described remaining liquid accumulator tank.
Accordingly, on described remaining liquid accumulator tank, there is volume scale marker, by reading the volume scale marker on described remaining liquid accumulator tank, can obtain the volume of metering liquid remaining in described remaining liquid accumulator tank.
S4, the metering liquid volume obtaining according to step S2, S3, obtain the total measurement (volume) of described metering liquid;
Concrete, the metering liquid numerical value obtaining in step S2 and step S3 is added to the total measurement (volume) that obtains described metering liquid.
S5, according to the internal diameter of described buried pipe, and the total measurement (volume) of described metering liquid, obtains the length of described buried pipe.
Accordingly, the total measurement (volume) of the described metering liquid obtaining is identical with the total measurement (volume) of buried pipe, and the internal diameter size of described buried pipe can inquire about on design drawing, can draw the length of described buried pipe by simple calculating.
Further, the length of the buried pipe on the length of the buried pipe of asking for by said method and design drawing can also be contrasted, whether meet construction requirement with the length that judges current described buried pipe.
It should be noted that, in other embodiments of the present invention, for handled easily, between described step S2 and step S3, can also comprise the following steps: a T-valve is provided, and described T-valve comprises three interfaces, is respectively A mouth, B mouth and C mouth; In the time that needs volume pump group is worked, the A mouth of described T-valve is communicated with to B mouth closure with C mouth.In the time of the described remaining liquid retracting device work of needs, the B mouth of described T-valve is communicated with C mouth, when A mouth is closed.So, can bring convenience to operator, described buried pipe length is carried out in measuring process, not need described volume pump group to separate with described buried pipe; Only, by opening and closing described T-valve, can meet operator's demand, easy to operate.
Compared with prior art, a kind of buried pipe length measurement method of the present invention, the length of the buried pipe after can constructing by easy means inspection, and then, can determine whether the buried pipe length of having constructed meets design requirement; The method and system are applied widely, simple to operate, have improved measurement efficiency.
Shown in Fig. 2, in embodiment of the present invention, buried pipe length measuring system comprises: filler cells 10, metering units 20.
Accordingly, filler cells 10 for filling metering liquid in buried pipe 30.
Concrete, buried pipe 30 comprises two ports, between described two ports, interconnect, below for convenience of description, be entrance point by one of them port definition, relative one end is defined as endpiece.Filler cells 10 fills metering liquid from entrance point in buried pipe 30; And filler cells 10 does not have specific requirement to the described metering liquid of buried pipe 30 interior injections, as long as it does not have corrosivity; In the specific embodiment of the present invention, because water does not have corrosivity, and be seen everywhere in life, cost is lower, therefore the described metering liquid of selecting is water.
It should be noted that, buried pipe 30 is in the time having buried underground, in order to keep its inner pressure, and the problem that prevents that described buried pipe 30 inside from getting rusty etc. occurs, buried pipe 30 has been full of water conventionally, now, filler cells 10 no longer needs to change the metering liquid in buried pipe 30, only needs to detect in buried pipe 30, whether to be full of testing liquid completely.
Further, in order to ensure the accuracy of the result that finally will obtain, filler cells 10 fills after metering liquid in buried pipe 30, and filler cells 10 also needs to get rid of the gas in buried pipe 30.
The volume of the described metering liquid obtaining is collected and recorded to metering units 20, for obtaining the most of metering liquid in described buried pipe 30; And, obtain the metering liquid of described buried pipe 30 interior remnants, collect and record the metering liquid volume of described remnants; And by above-mentioned metering liquid volume, obtain the total measurement (volume) of described metering liquid; According to the internal diameter of described buried pipe 30, and the total measurement (volume) of described metering liquid, obtain the length of described buried pipe 30.
Concrete, in recording process, there are differences according to selected device, the described result that records can be: the cumulative volume of described metering liquid, the quality of described metering liquid etc.In the specific embodiment of the present invention, the cumulative volume that the result of record is described metering liquid.
Accordingly, described metering units 20 comprises: volume pump group 21, the volume of the described metering liquid obtaining is collected and recorded to volume pump group 21, for obtaining the most of metering liquid in described buried pipe.
Volume pump group 21 is extracted the most of metering liquid in described buried pipe 30 out, and the metering scale of monitoring and record volume pump group 21 changes, to calculate the volume through the metering liquid of volume pump group 21; Volume pump group 21 comprises: with the suction pump 211 of the endpiece slitless connection of buried pipe 30, suction pump 211 is for extracting the metering liquid of buried pipe 30 out; And, the flowmeter 213 being connected with suction pump 211, flowmeter 213 is for measuring by the flow of the described metering liquid of suction pump 211.
Further, one end that suction pump 21 is communicated with buried pipe 30 is also provided with high-precision pressure gauge, and stop valve etc. (not specifically diagram), is not described in detail at this.
Accordingly, when filler cells 10 fills metering liquid and gets rid of the air in buried pipe 30 in from entrance point to buried pipe 30, the entrance point of buried pipe 30 is closed, and the entrance point rapid-acting coupling of suction pump 211 is docked with the endpiece of buried pipe 30; Afterwards, connect electricity to volume pump group 21, to open described volume pump group 21, and the initial value of recording flowmeter 213; Now, suction pump 211 is extracted the metering liquid in buried pipe 30 out, and the metering liquid of extracting out is passed through to the rear discharge of flowmeter 213; In the process that the metering liquid in buried pipe 30 is discharged, the numerical value of flowmeter 213 is changing always, and the trend that is rising changes, flowmeter 213 Real-Time Monitorings recorded stream are through the fluctuations in discharge of its metering liquid, with by current count value is deducted to initial value, calculate the volume through the metering liquid of volume pump group 21.
Accordingly, the metering liquid of extraction, by after flowmeter 213, can enter trench drain, and another organizes buried pipe to be tested also can to reclaim access, with saving resource.
Accordingly, described volume represents the volume of metering liquid.
It should be noted that, flowmeter 213 can directly record the volume through its metering liquid; Also can record through its metering liquid quality, then by calculating the volume of described metering liquid.Flowmeter 213 can be also the tank with scale, and suction pump 211 is directly extracted the metering liquid in buried pipe 30 out and left in described tank, and according to the scale of described tank, directly obtains the volume of the metering liquid of its storage inside.
Metering units 20 also comprises remaining liquid retracting device 23, and the metering liquid volume of described remnants is collected and recorded to remaining liquid retracting device 23, for obtaining metering liquid remaining in described buried pipe.
Concrete, in the time that the metering scale of volume pump group 21 stops changing, volume pump group 21 is separated with buried pipe 30; And remaining liquid retracting device 23 is docked with buried pipe 30, metering liquid remaining in buried pipe 30 is discharged in remaining liquid retracting device 23; And metering liquid volume described in the remaining liquid retracting device 23 of record; Remaining liquid retracting device 23 comprises: the air compressor 231 docking with the endpiece of buried pipe 30, and air compressor 231 is for compressing the air in described buried pipe, so that metering liquid remaining in described buried pipe is extruded; And, the remaining liquid accumulator tank 233 docking with the entrance point of buried pipe 30, described remaining liquid accumulator tank 233 is for depositing remaining described metering liquid, and measures the volume of the remaining described metering liquid of its storage inside.
Accordingly, the metering scale situation of change of flowmeter described in volume pump group 21 Real-Time Monitorings, in the time that the metering scale of volume pump group 21 stops changing, represents that suction pump 211 is by the most of metering liquid extraction in buried pipe 30, now, suction pump 211 can quit work; Meanwhile, the metering scale of flowmeter 213 also can stop changing.
Further, volume pump group 21 and buried pipe 30 are separated, and air compressor 231 are connected to the entrance point of buried pipe 30, remaining liquid accumulator tank 233 are connected to the endpiece of buried pipe 30; Afterwards, start air compressor 231, compress the air in described buried pipe by air compressor 231, so that the metering liquid of 30 remnants in buried pipe is all extruded, and metering liquid remaining in buried pipe 30 is discharged in remaining liquid accumulator tank 233; In the time that air compressor 231 quits work, represent that metering liquid remaining in buried pipe 30 is all discharged in remaining liquid accumulator tank 233.
Accordingly, on remaining liquid accumulator tank 233, there is volume scale marker, by reading the volume scale marker on remaining liquid accumulator tank 233, can obtain the volume of metering liquid remaining in remaining liquid accumulator tank 233.
Further, in other embodiments of the present invention, for handled easily, metering units 20 can also comprise the T-valve 25 being connected with volume pump group 21 and remaining liquid retracting device 23 respectively, T-valve 25 comprises three interfaces, is respectively A mouth, B mouth and C mouth (specifically not illustrating); When the A of described T-valve mouth is communicated with C mouth, when B mouth is closed, volume pump group 21 is communicated with buried pipe 30, and after 21 energisings of volume pump group, volume pump group 21 starts working; Now, remaining liquid retracting device 23 quits work.When the B of T-valve mouth is communicated with C mouth, when A mouth is closed, remaining liquid retracting device 23 is communicated with buried pipe 30, gives after remaining liquid retracting device 23 energisings, and remaining liquid retracting device 23 starts working; Now, volume pump group 21 quits work.So, can bring convenience to operator, in the described buried pipe length measuring system course of work, after volume pump group 21 does not need to separate with buried pipe 30, connect again remaining liquid retracting device 23 and buried pipe, only, by opening and closing T-valve 25, can meet operator's demand, easy to operate.
Further, metering units 21 is also for obtaining the total measurement (volume) of described metering liquid;
Concrete, the volume numerical value of the remaining metering liquid that metering units 21 records by the volume of the most of metering liquid recording by flowmeter 213 with by remaining liquid accumulator tank 233 is added the total measurement (volume) that obtains described metering liquid.
Further, metering units 20 is according to the internal diameter of described buried pipe 30, and the total measurement (volume) of described metering liquid, obtains the length of described buried pipe 30.Accordingly, the total measurement (volume) of the described metering liquid that metering units 20 obtains is identical with the total measurement (volume) of buried pipe 30, and the internal diameter size of buried pipe 30 can inquire about on design drawing, can draw the length of buried pipe 30 by simple calculating.
Further, the length of the buried pipe on the length of the above-mentioned buried pipe of asking for 30 and design drawing can also be contrasted, whether meet construction requirement with the length that judges current buried pipe 30.
Compared with prior art, a kind of buried pipe length measurement method of the present invention and measuring system, the length of the buried pipe after can constructing by easy means inspection, and then, can determine whether the buried pipe length of having constructed meets design requirement; The method and system are applied widely, simple to operate, have improved measurement efficiency.
In addition, this buried pipe length measuring system also can be used as pressurized equipment and uses, and after testing underground pipe welding, whether has leak source; The high-precision pressure gauge that this buried pipe length measuring system carries, can be used to the ordinarily manometer using while proofreading and correct underground pipe pressurize; Be not described in detail at this.
Be to be understood that, although this instructions is described according to embodiment, but be not that each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should make instructions as a whole, technical scheme in each embodiment also can, through appropriately combined, form other embodiments that it will be appreciated by those skilled in the art that.
Listed a series of detailed description is above only illustrating for feasibility embodiment of the present invention; they are not in order to limit the scope of the invention, all do not depart from the equivalent embodiment that skill spirit of the present invention does or change and all should be included in protection scope of the present invention within.
Claims (10)
1. a buried pipe length measurement method, is characterized in that, described measuring method comprises the following steps:
S1, selected buried pipe fill metering liquid in described buried pipe;
S2, obtain the most of metering liquid in described buried pipe, collect and record the volume of the described metering liquid obtaining;
S3, obtain metering liquid remaining in described buried pipe, collect and record the metering liquid volume of described remnants;
S4, the metering liquid volume obtaining according to step S2, S3, obtain the total measurement (volume) of described metering liquid;
S5, according to the internal diameter of described buried pipe, and the total measurement (volume) of described metering liquid, obtains the length of described buried pipe.
2. buried pipe length measurement method according to claim 1, is characterized in that, described metering liquid is water.
3. buried pipe length measurement method according to claim 1, is characterized in that, after described step S1, described method is further comprising the steps of: get rid of the gas in described buried pipe.
4. buried pipe length measurement method according to claim 1, is characterized in that, described step S3 specifically comprises:
By compressing the air in described buried pipe, obtain the metering liquid of described remnants in described buried pipe, collect and record the metering liquid volume of described remnants.
5. a buried pipe length measuring system, for measuring buried pipe length, is characterized in that, described system comprises:
Filler cells, described filler cells for filling metering liquid in described buried pipe;
Metering units, the volume of the described metering liquid obtaining is collected and recorded to described metering units, for obtaining the most of metering liquid in described buried pipe; And, obtain metering liquid remaining in described buried pipe, collect and record the metering liquid volume of described remnants; And by above-mentioned metering liquid volume, obtain the total measurement (volume) of described metering liquid; According to the internal diameter of described buried pipe, and the total measurement (volume) of described metering liquid, obtain the length of described buried pipe.
6. buried pipe length measuring system according to claim 5, is characterized in that, described metering liquid is water.
7. buried pipe length measuring system according to claim 5, is characterized in that, described filler cells is also for getting rid of the gas of described buried pipe.
8. buried pipe length measuring system according to claim 5, is characterized in that, described metering units comprises:
Volume pump group, described volume pump group is for the metering liquid of described buried pipe is extracted out, and metering is by the volume of its described metering liquid;
Remaining liquid retracting device, described remaining liquid retracting device is used for the remaining metering liquid of described buried pipe to discharge, and measures the metering liquid volume of described remnants.
9. buried pipe length measuring system according to claim 8, is characterized in that,
Described volume pump group comprises: with the suction pump of the endpiece slitless connection of described buried pipe, described suction pump is for extracting the metering liquid of described buried pipe out; And the flowmeter being connected with described suction pump, described flowmeter is for measuring by the flow of the described metering liquid of described suction pump;
Described remaining liquid retracting device comprises: with the air compressor that described buried pipe endpiece docks, described air compressor is for compressing the air in described buried pipe, so that metering liquid remaining in described buried pipe is extruded; And the remaining liquid accumulator tank docking with described buried pipe inlet end, described remaining liquid accumulator tank is for depositing remaining described metering liquid, and, measure the volume of its inner remaining described metering liquid.
10. buried pipe length measuring system according to claim 9, it is characterized in that, described metering units also comprises: the T-valve being connected with described volume pump group and described remaining liquid retracting device respectively, and described T-valve comprises three interfaces, be respectively A mouth, B mouth and C mouth;
When the A of described T-valve mouth is communicated with C mouth, when B mouth is closed, described volume pump group work;
When the B of described T-valve mouth is communicated with C mouth, when A mouth is closed, described remaining liquid retracting device work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410290679.2A CN104019775A (en) | 2014-06-25 | 2014-06-25 | Method and system for measuring length of buried pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410290679.2A CN104019775A (en) | 2014-06-25 | 2014-06-25 | Method and system for measuring length of buried pipe |
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| CN104019775A true CN104019775A (en) | 2014-09-03 |
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| CN201410290679.2A Pending CN104019775A (en) | 2014-06-25 | 2014-06-25 | Method and system for measuring length of buried pipe |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988729A (en) * | 2017-05-24 | 2017-07-28 | 安徽科恩新能源有限公司 | A kind of earth source heat pump well depth detection means |
| CN111272114A (en) * | 2020-02-28 | 2020-06-12 | 浙江理工大学 | Buried pipe length measuring device and measuring method thereof |
-
2014
- 2014-06-25 CN CN201410290679.2A patent/CN104019775A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988729A (en) * | 2017-05-24 | 2017-07-28 | 安徽科恩新能源有限公司 | A kind of earth source heat pump well depth detection means |
| CN111272114A (en) * | 2020-02-28 | 2020-06-12 | 浙江理工大学 | Buried pipe length measuring device and measuring method thereof |
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Application publication date: 20140903 |