CN209893131U - Pipe network detection structure - Google Patents
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- CN209893131U CN209893131U CN201920294348.4U CN201920294348U CN209893131U CN 209893131 U CN209893131 U CN 209893131U CN 201920294348 U CN201920294348 U CN 201920294348U CN 209893131 U CN209893131 U CN 209893131U
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Abstract
The utility model provides a pipe network detection structure, which comprises a pipeline section to be detected and a position to be detected; a straight pipe trench is dug at the periphery of the pipeline section to be detected, the position to be detected is positioned on the pipeline section to be detected, detection equipment is arranged on the position to be detected, a first steady flow section is arranged on the straight pipe trench on one side of the position to be detected, and a second steady flow section is arranged on the straight pipe trench on the other side of the position to be detected; the length value of the first flow stabilizing section is not less than five times of the diameter value of the to-be-detected pipeline, and the length value of the second flow stabilizing section is not less than three times of the diameter value of the to-be-detected pipeline. The problem of pipe network detection environment difference, the unable accuracy of guaranteeing of testing result is solved. The straight pipe trench is dug in the pipeline section to be detected, environment stability of the pipeline section to be detected is achieved, a first flow stabilizing section with the diameter value not less than five times that of the pipeline to be detected and a second flow stabilizing section with the diameter value not less than three times that of the pipeline to be detected are arranged around the position to be detected respectively, accuracy of measurement of detection equipment at a measurement point is achieved, different test environments are achieved, and flow measurement has pertinence and universality.
Description
Technical Field
The utility model belongs to the technical field of the technique that the pipe network detected and specifically relates to a pipe network detects structure is related to.
Background
In order to realize the pilot construction of sponge cities and the construction of intelligent pipe networks, water quantity monitoring needs to be carried out on pipelines or facility inlets and outlets in real time, and a basis is provided for long-term online monitoring data and calculation. The construction of the on-line monitoring system provides reference for emergency management decision of the facility operation condition, so that operation risks and problems are found in time, effective treatment and disposal are carried out in time, emergency early warning is carried out on the site operation condition in time, and the operation guarantee rate of the facility is improved.
The measurement principle and the installation conditions of the common measurement equipment are as follows:
(1) weir groove type flowmeter
The weir-groove type flowmeter is used for measuring channel flow, a water-gaging weir groove is required to be arranged on a channel, and the weir-groove type flowmeter measures the liquid level height of the flow groove (weir) and obtains the flow through the operation of a microprocessor in an instrument according to a flowmeter calculation formula; the weir groove type flowmeter has simple structure and low price, but has the main problems of complex waterway structure, large installation space and strict requirements on the length of the upstream and downstream straight pipe sections.
(2) Doppler ultrasonic flowmeter
The doppler ultrasonic flow meter performs measurement using the doppler principle. When the device works, continuous signals are transmitted, the signal path is in the direction of 30 degrees on the horizontal line, all signals reflected along the sound beam are detected, the average flow velocity is calculated, and meanwhile, the water level is measured through the static pressure of water at the bottom of the sensor; the installation of Doppler ultrasonic flowmeter is comparatively simple, but investment cost is great, and equipment price is more expensive, and measuring equipment directly puts into the pipeline, probably produces to destroy to former pipeline and reveals, and the test result can't guarantee the accuracy, and it is more difficult to maintain the maintenance to equipment in the later stage.
(3) Flow rate-water level open channel flowmeter
The flow velocity-water level open channel flowmeter is suitable for the condition that the water level is not changed greatly, and the flow velocity probe is fixed near the water depth which can give the average flow velocity. The flow velocity-water level open channel flowmeter measures the side flow velocity and the water level respectively, and a flow velocity meter or an inserted electromagnetic flowmeter and the like can be used for measuring the flow velocity.
The flow equipment's of different principles installation condition diverse, the flow equipment of different principles is suitable for the condition also diverse, can't effectively integrate in sponge city construction and wisdom pipe network monitoring facilities application, and monitoring facilities installs the flexibility relatively poor, causes the unable effective integration of each monitoring facilities and uses.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pipe network detects structure to the pipe network testing environment who solves among the prior art is different, and the problem of accuracy can't be guaranteed to the testing result.
The utility model provides a pipe network detection structure, which comprises a pipeline section to be detected and a position to be detected;
a straight pipe trench is dug at the periphery of the pipeline section to be detected, the position to be detected is located on the pipeline section to be detected, detection equipment is arranged on the position to be detected, a first steady flow section is arranged on the straight pipe trench on one side of the position to be detected, and a second steady flow section is arranged on the straight pipe trench on the other side of the position to be detected;
the length value of the first flow stabilizing section is not less than five times of the diameter value of the pipeline to be measured, and the length value of the second flow stabilizing section is not less than three times of the diameter value of the pipeline to be measured.
Further, the length value of the first flow stabilizing section is smaller than ten times of the diameter value of the pipe diameter to be measured, and the length value of the second flow stabilizing section is smaller than five times of the diameter value of the pipe to be measured.
Further, still include the apron, the apron is located the pipeline section upside that awaits measuring is used for supporting the straight tube trench.
And further, the device also comprises an inspection well, wherein the inspection well corresponds to the position to be detected and is used for maintaining the detection equipment.
Further, the inspection well further comprises a sealing cover, and the sealing cover is flush with the ground and used for sealing the inspection well.
Further, the inspection well is provided with a shaft for avoiding collapse of the inspection well.
Further, the inner side wall of the inspection well is provided with a step, so that a worker can enter and exit the inspection well along the step.
Further, the detection device includes a flow meter located at the central location of the manhole.
Further, the length of the straight pipe trench is greater than the sum of the length of the first flow stabilizing section and the length of the second flow stabilizing section.
Further, the inner wall of the straight pipe trench is provided with a reinforced concrete layer.
The utility model provides a pipe network detects structure, the pipeline section periphery that awaits measuring is dug and is equipped with the straight tube trench, and the position of awaiting measuring is located the pipeline section that awaits measuring, is provided with detection equipment on waiting to find the position, is provided with first stationary flow section on the straight tube trench of the position front side that awaits measuring, is provided with the second stationary flow section on the straight tube trench of the position rear side that waits to find the position; the length value of the first flow stabilizing section is not less than five times of the diameter value of the to-be-detected pipeline, and the length value of the second flow stabilizing section is not less than three times of the diameter value of the to-be-detected pipeline; the straight pipe trench is dug in the pipeline section to be detected, the stability of the environment of the pipeline section to be detected is achieved, the front side and the rear side of the position to be detected are respectively provided with a first flow stabilizing section with the diameter value not less than five times of the diameter value of the pipeline to be detected and a second flow stabilizing section with the diameter value not less than three times of the diameter value of the pipeline to be detected, the accuracy of measurement of detection equipment at a measurement point is achieved, different test environments are used, and flow measurement has pertinence and universality.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a top view of a pipe network detection structure provided in an embodiment of the present invention;
fig. 2 is a front view of a pipe network detection structure provided by an embodiment of the present invention.
Icon: 11-a pipe section to be tested; 12-position to be detected; 13-straight pipe trench; 14-a detection device; 15-cover plate; 16-a manhole; 131-a first stationary flow section; 132-a second flow stabilization segment; 161-sealing cover; 162-wellbore.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., appear based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-2, wherein L is the length of the straight trench 13, L1 is the length of the first constant flow section 131, and L2 is the length of the second constant flow section 132, the present invention provides a pipe network detection structure, which includes the pipe segment to be detected 11 and the position to be detected 12; a straight pipe trench 13 is dug at the periphery of the pipeline section to be measured 11, the position to be measured 12 is located on the pipeline section to be measured 11, a detection device 14 is arranged on the position to be measured 12, a first steady flow section 131 is arranged on the straight pipe trench 13 on one side of the position to be measured 12, and a second steady flow section 132 is arranged on the straight pipe trench 13 on the other side of the position to be measured 12; the length value of the first flow stabilizing section 131 is not less than five times of the diameter value of the pipeline to be measured, and the length value of the second flow stabilizing section 132 is not less than three times of the diameter value of the pipeline to be measured.
A straight pipe trench 13 is dug at the periphery of the pipeline section to be detected 11, the position to be detected 12 is positioned on the pipeline section to be detected 11, a detection device 14 is arranged on the position to be detected 12, a first steady flow section 131 is arranged on the straight pipe trench 13 at the front side of the position to be detected 12, and a second steady flow section 132 is arranged on the straight pipe trench 13 at the rear side of the position to be detected 12; the length value of the first flow stabilizing section 131 is not less than five times of the diameter value of the pipeline to be measured, and the length value of the second flow stabilizing section 132 is not less than three times of the diameter value of the pipeline to be measured; the stability of the environment of the pipeline section to be measured 11 is realized by digging a straight pipe trench 13 in the pipeline section to be measured, the front side and the rear side of the position to be measured 12 are respectively provided with a first steady flow section 131 with the diameter value not less than five times of the pipeline to be measured and a second steady flow section 132 with the diameter value not less than three times of the pipeline to be measured, the accuracy of measurement of the detection equipment 14 at the measuring point is realized, different test environments are used, and the flow measurement has pertinence and universality.
The length value of the first flow stabilizing section 131 is greater than five times the diameter value of the pipeline to be detected, and the length value of the second flow stabilizing section 132 is greater than three times the diameter value of the pipeline to be detected, so that the flow value detected by the detection device 14 at the monitoring point can be more accurate, and the detection effect is improved.
When the length value of the first flow stabilizing section 131 is equal to five times of the diameter value of the to-be-measured pipeline and the length value of the second flow stabilizing section 132 is equal to three times of the diameter value of the to-be-measured pipeline, the optimal flow stabilizing environment can be realized, the construction operation can be reduced, and the economic benefit is good.
Further, the length value of the first flow stabilizing section 131 is less than ten times of the diameter value of the pipe to be measured, and the length value of the second flow stabilizing section 132 is less than five times of the diameter value of the pipe to be measured.
The length value of the first flow stabilizing section 131 is less than ten times of the diameter value of the pipe diameter to be measured, and the length value of the second flow stabilizing section 132 is less than five times of the diameter value of the pipe to be measured; through setting up the length of first stationary flow section 131 as being greater than fivefold pipeline diameter value that awaits measuring, be less than ten times pipeline diameter value that awaits measuring, the length of second stationary flow section 132 sets up as being greater than three times pipeline diameter value that awaits measuring, be less than fivefold pipeline diameter value that awaits measuring, can realize that check out test set 14 detects in stable environment, can avoid constructing longer straight tube trench 13 again, improve detection effect, and economic benefits is good.
Further, the device also comprises a cover plate 15, wherein the cover plate 15 is positioned on the upper side of the pipeline section to be tested 11 and is used for supporting the straight pipe trench 13.
The cover plate 15 is positioned on the upper side of the pipeline section to be tested 11 and used for supporting the straight pipe trench 13; through being provided with apron 15 in the upper end of pipeline section 11 that awaits measuring and supporting the straight tube trench 13 of upper end, increase the protection to pipeline section 11 that awaits measuring, improve detection safety factor.
Further, the inspection well 16 is further included, and the inspection well 16 corresponds to the position of the position 12 to be measured and is used for maintaining the detection equipment 14.
The inspection well 16 corresponds to the position of the position 12 to be measured and is used for maintaining the detection equipment 14; the detection well is arranged at the position corresponding to the position to be detected 12, so that the detection equipment 14 can be maintained, and other detection items are additionally arranged at the later stage to reserve a detection space.
Further, the inspection well 16 further comprises a sealing cover 161, and the sealing cover 161 is flush with the ground surface and is used for sealing the inspection well 16.
The sealing cover 161 is flush with the ground surface and used for sealing the inspection well 16; be provided with sealed lid 161 through the import with the inspection shaft 16 of ground parallel and level, realize sealing up inspection shaft 16, can avoid people to take place danger, can avoid external environment to cause the influence to the check out test set 14 in the check out test set, guarantee check out test set 14's detection environment again.
Wherein, the upper end face of the sealing cover 161 is provided with a mark, which is beneficial to the subsequent examination and repair of the position to be measured 12.
The sealing cover 161 may be made of cast iron and have sufficient strength.
Further, the inspection well 16 is provided with a well 162 for avoiding collapse of the inspection well 16.
The inspection well 16 is provided with a well bore 162 for avoiding collapse of the inspection well 16; the stability of the detection environment is ensured by preventing the inspection well 16 from collapsing through the shaft 162 arranged in the inspection well 16.
The shaft 162 may be made of reinforced concrete, and has sufficient strength.
Further, the inner side wall of the inspection well 16 is provided with a step, so that a worker can enter and exit the inspection well 16 along the step.
The inner side wall of the inspection well 16 is provided with steps, so that workers can enter and exit the inspection well 16 along the steps; through being provided with the ladder in inspection shaft 16, make things convenient for the staff to pass in and out inspection shaft 16, overhaul the check point in the inspection shaft in real time.
Further, the detection device 14 includes a flow meter centrally located in the manhole 16.
The detection device 14 comprises a flow meter, which is located centrally in said manhole 16; through placing the flowmeter 16 central point in inspection shaft, realize waiting to detect the accurate detection of pipeline section, increase and detect the accuracy.
The flowmeter can select a triangular weir, a rectangular weir and a Parshall tank with different sizes according to the size of water quantity, and the flow measurement has pertinence and accuracy. And a Doppler ultrasonic flowmeter, a flow velocity-water level open channel flowmeter and the like can be selected to realize the integration application of the flow machine.
Further, the length of the straight trench 13 is greater than the sum of the length of the first steady flow section 131 and the length of the second steady flow section 132.
The length of the straight pipe trench 13 is greater than the sum of the length of the first flow stabilizing section 131 and the length of the second flow stabilizing section 132; the length of the straight pipe trench 13 is designed to be greater than or equal to the sum of the length of the first flow stabilizing section 131 and the length of the second flow stabilizing section 132, so that the purpose of meeting the standard detection environment is achieved.
The length of the straight pipe trench 13 is equal to the sum of the length of the first flow stabilizing section 131 and the length of the second flow stabilizing section 132, and the length is the optimal state, so that the purpose of standardizing the environment can be achieved, the construction process is the minimum, and the economic benefit is good.
Further, a reinforced concrete layer is arranged on the inner wall of the straight pipe trench 13.
And a reinforced concrete layer is arranged on the inner wall of the straight pipe trench 13. (ii) a Through selecting the material of the 13 inside walls of straight tube trench for reinforced concrete, increase the intensity of straight tube trench 13, avoid causing the damage to straight tube trench 13, guarantee the stability of detecting the environment.
Wherein, the straight pipe trench 13 has a certain thickness to ensure that it has enough strength.
To sum up, the utility model provides a pipe network detection structure, the straight pipe trench 13 is dug around the pipeline section 11 to be detected, the position 12 to be detected is located on the pipeline section 11 to be detected, the detection device 14 is arranged on the position 12 to be detected, the first steady flow section 131 is arranged on the straight pipe trench 13 at the front side of the position 12 to be detected, and the second steady flow section 132 is arranged on the straight pipe trench 13 at the rear side of the position 12 to be detected; the length value of the first flow stabilizing section 131 is not less than five times of the diameter value of the pipeline to be measured, and the length value of the second flow stabilizing section 132 is not less than three times of the diameter value of the pipeline to be measured; the stability of the environment of the pipeline section to be measured 11 is realized by digging a straight pipe trench 13 in the pipeline section to be measured, the front side and the rear side of the position to be measured 12 are respectively provided with a first steady flow section 131 with the diameter value not less than five times of the pipeline to be measured and a second steady flow section 132 with the diameter value not less than three times of the pipeline to be measured, the accuracy of measurement of the detection equipment 14 at the measuring point is realized, different test environments are used, and the flow measurement has pertinence and universality.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A pipe network detection structure is characterized by comprising a pipeline section to be detected and a position to be detected;
a straight pipe trench is dug at the periphery of the pipeline section to be detected, the position to be detected is located on the pipeline section to be detected, detection equipment is arranged on the position to be detected, a first steady flow section is arranged on the straight pipe trench on one side of the position to be detected, and a second steady flow section is arranged on the straight pipe trench on the other side of the position to be detected;
the length value of the first flow stabilizing section is not less than five times of the diameter value of the pipeline to be measured, and the length value of the second flow stabilizing section is not less than three times of the diameter value of the pipeline to be measured.
2. The pipe network detection structure of claim 1, wherein the length of the first flow stabilizing section is less than ten times the diameter of the pipe to be detected, and the length of the second flow stabilizing section is less than five times the diameter of the pipe to be detected.
3. The pipe network detection structure according to claim 1, further comprising a cover plate, wherein the cover plate is located on the upper side of the pipe section to be detected and used for supporting the straight pipe trench.
4. The pipe network detection structure according to claim 1, further comprising an inspection well corresponding to the position to be detected, for maintaining the detection equipment.
5. The pipe network detection structure of claim 4, wherein the inspection well further comprises a sealing cover, and the sealing cover is flush with the ground and used for sealing the inspection well.
6. The pipe network detection structure of claim 4, wherein the inspection well is provided with a shaft for preventing the inspection well from collapsing.
7. The pipe network detection structure of claim 4, wherein the inner side wall of the inspection well is provided with steps, so that workers can enter and exit the inspection well along the steps.
8. The pipe network inspection structure of claim 4, wherein said inspection equipment includes a flow meter, said flow meter being located at said manhole central location.
9. The pipe network detection structure of claim 1, wherein the length of the straight pipe trench is greater than the sum of the length of the first flow stabilizing section and the length of the second flow stabilizing section.
10. The pipe network detection structure of claim 1, wherein the inner wall of the straight pipe trench is provided with a reinforced concrete layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920294348.4U CN209893131U (en) | 2019-03-07 | 2019-03-07 | Pipe network detection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920294348.4U CN209893131U (en) | 2019-03-07 | 2019-03-07 | Pipe network detection structure |
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| CN209893131U true CN209893131U (en) | 2020-01-03 |
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| CN201920294348.4U Active CN209893131U (en) | 2019-03-07 | 2019-03-07 | Pipe network detection structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113916467A (en) * | 2021-09-16 | 2022-01-11 | 葛洲坝集团试验检测有限公司 | Intelligent detection system and method for urban sewage pipeline seepage |
-
2019
- 2019-03-07 CN CN201920294348.4U patent/CN209893131U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113916467A (en) * | 2021-09-16 | 2022-01-11 | 葛洲坝集团试验检测有限公司 | Intelligent detection system and method for urban sewage pipeline seepage |
| CN113916467B (en) * | 2021-09-16 | 2024-06-14 | 葛洲坝集团试验检测有限公司 | Intelligent detection system and method for seepage of urban sewage pipeline |
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