CN111595391B

CN111595391B - Portable multifunctional flowmeter

Info

Publication number: CN111595391B
Application number: CN202010583042.8A
Authority: CN
Inventors: 孙斌; 常艺华; 刘权; 杨磊; 方宏远; 张金萍; 张超; 郭兵托; 李斌; 谭佩玲
Original assignee: Zhengzhou University
Current assignee: Zhengzhou University
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2022-02-08
Anticipated expiration: 2040-06-23
Also published as: CN111595391A

Abstract

The invention provides a portable multi-function flowmeter, which solves the problems of inaccurate measurement when it is not easy to carry and there is a lot of silt in the sewage pipeline; the data processing terminal is connected with the data acquisition and output device on the platform through a data line, and the An opening is provided, and two parallel first sliding bars are arranged on both sides of the opening. The first sliding bar is provided with a movable block that slides through, and a second sliding bar is connected between the movable blocks. The connection with the movable block is provided with a reservoir through electrical connection, the second sliding rod is provided with a connecting block that slides through, and a high-strength tube that slides through is vertically arranged on the connecting block, and the high-strength tube is located on the side of the platform. A flow velocity measuring device is installed on the lower side, and a water level and mud level discriminating device is connected to the bottom end of the high-strength pipe; through the velocity measuring device and the water level and mud level discriminating device, the velocity and flow of water in the presence of silt can be accurately calculated , and the program can be set to make the device automatically enter the sewage pipe.

Description

Portable multifunctional flowmeter

Technical Field

The invention relates to the technical field of detection of a section of flowing water in a pipeline, in particular to a portable multifunctional flowmeter.

Background

The water ecological environment problem is increasingly prominent while the economy is increased at a high speed, the pressure of an urban sewage discharge system is increased due to the increase of domestic water of urban residents, the average flow of the overflow section of sewage in a sewage discharge pipeline within a certain time needs to be measured, particularly the average flow of the sewage discharge pipeline with sludge deposition within a certain time is ensured to normally perform urban sewage discharge, the existing sewage pipeline is full of toxic gas, so that workers are inconvenient to directly enter the pipeline to measure the flow of the sewage pipeline, meanwhile, the sewage pipeline is provided with more sludge, which causes that the area of the overflowing section of the sewage pipeline can not be determined, further, the flow measurement is inaccurate, and the measurement equipment is large and not easy to carry or transport, so that a portable type is urgently needed, and can accurately measure the average flow of the sewage overflowing section in a certain time under the sludge state.

Disclosure of Invention

The invention provides a portable multifunctional flowmeter, which solves the problems of difficult carrying and inaccurate measurement under the condition that more sludge exists in a sewage discharge pipeline.

The technical scheme of the invention is realized as follows:

the utility model provides a portable multifunctional flowmeter, includes data processing terminal and platform, and the data processing terminal passes through the data line and links to each other with the data acquisition follower on the platform, is provided with the opening on the platform, is provided with the first slide bar of two parallels in open-ended both sides, is provided with the movable block that slides and pass on the first slide bar, is connected with the second slide bar between the movable block, is provided with the accumulator through the electricity connection in the junction of second slide bar and movable block, is provided with the connecting block that slides and passes on the second slide bar, be provided with the high strength pipe that slides and pass perpendicularly on the connecting block, the high strength pipe is located the downside of platform and installs velocity of flow measuring equipment, is connected with water level mud level at the bottom of high strength pipe and differentiates equipment.

Furthermore, the flow speed measuring equipment is rotatably connected with a rotary propeller.

Furthermore, the water level mud level distinguishing device consists of a resistance sensor, a current sensor and an electrode.

Furthermore, the flow speed measuring equipment and the water level mud level judging equipment are electrically connected with the data acquisition output device.

The beneficial effect that this technical scheme can produce:

the flow velocity and the flow of water under the condition of sludge can be accurately calculated through the flow velocity measuring equipment and the water level and sludge level judging equipment, and a program can be set to enable the equipment to automatically enter a sewage pipeline to work, so that the equipment is small in size and convenient to carry; the water level and mud level distinguishing device mainly comprises a resistance sensor and a current sensor, the electrode can transmit the current and the damping to the data acquisition output device in real time, when the resistance sensor and the current sensor enter water, a circuit is connected, and a data processing terminal displays the resistance between the electrodes of the water level and mud level distinguishing device at the moment through processing data; judging the joint of the water level and the mud level according to the current resistance and the sudden change of the damping; and the data processing terminal receives the data from the data acquisition output device, and respectively and simultaneously processes, displays and stores the flow velocity of water, the depth of the water, the height of air in the pipeline, the flow cross section area of the water and the flow of the water.

Drawings

FIG. 1 is a top view of the present embodiment;

FIG. 2 is a front view of the present solution with the data processing terminal removed;

fig. 3 is a left side view of fig. 2.

Wherein: the device comprises a data processing terminal 1, a data acquisition and output device 2, a storage 3, a high-strength pipe 4, a flow velocity measuring device 5, a rotary propeller 51, a water level mud level judging device 6, a platform 7, a first sliding rod 8, a second sliding rod 9, a connecting block 10, a data line 11, an opening 12 and a movable block 13.

Detailed Description

In order to clearly illustrate the technical features of the present invention, the present invention is described below by way of specific embodiments.

Example 1

The utility model provides a portable multifunctional flowmeter, includes data processing terminal 1 and platform 7, data processing terminal 1 passes through data line 11 and links to each other with data acquisition exporter 2 on the platform 7, is provided with opening 12 on platform 7, is provided with two parallel first slide bars 8 in opening 12's both sides, is provided with the movable block 13 that slides and pass on the first slide bar 8, is connected with second slide bar 9 between the movable block 13, is provided with accumulator 3 through the electricity connection in the junction of second slide bar 9 and movable block 13, is provided with the connecting block 10 that slides and pass on the second slide bar 9, be provided with the high strength pipe 4 that slides and pass on the connecting block 10 perpendicularly, the velocity of flow measuring equipment 5 is installed to the downside that high strength pipe 4 is located platform 7, is connected with mud level at the bottom of high strength pipe 4 and distinguishes equipment 6.

The use process of the invention is as follows: firstly, the device is placed above a sewage pipeline, a program is set for a storage device 3, a movable block 13 drives a high-strength pipe 4 to move back and forth, when the device moves to a corresponding position of the sewage pipeline, the storage device 3 gives a command to a connecting block 10 to enable the connecting block 10 to move left and right to a proper position, then the high-strength pipe 4 moves downwards, the movement can be set by the program of the storage device 3, or can be manually operated, the high-strength pipe 4 drives a flow velocity measuring device 5 and a water level mud position judging device 6 to move towards the sewage pipeline and extend into water, the flow velocity measuring device 5 can transmit flow velocity data to a data acquisition output device 2, the resistance current of the water level mud position judging device 6 is also transmitted to the data acquisition output device 2, when the water level mud position judging device 6 is contacted with mud, the resistance current changes suddenly, and can be used as one of standards for judging water and mud interface, and finally, the data processing terminal 1 receives data from the data acquisition output device 2 and respectively and simultaneously processes, displays and stores the flow velocity of water, the depth of the water, the height of air in the pipeline, the flow cross section area of the water and the flow of the water.

Through velocity of flow measuring equipment 5 and water level mud level discrimination equipment 6, can be accurate calculate the velocity of flow and the flow of water under the silt condition, and can set for the procedure and make this equipment get into sewer line work voluntarily, and the volume is portable.

Example 2

Preferably, a rotating propeller 51 is rotatably connected to the flow rate measuring device 5.

The flow rate measuring device 5 changes the rotation speed of the propeller 51 into the flow speed through the data processing terminal 1.

Other structures of this embodiment are the same as those of embodiment 1.

Example 3

Preferably, the water level mud level discriminating device 6 is composed of a resistance sensor, a current sensor and an electrode.

The water level and mud level distinguishing device 6 mainly comprises a resistance sensor, a current sensor and an electrode, wherein the electrode can transmit the current and the damping to the data acquisition output device 2 in real time, when the resistance sensor and the current sensor enter water, a circuit is connected, and the data processing terminal 1 displays the resistance between the electrodes of the water level and mud level distinguishing device 6 at the moment through processing data; and judging the joint of the water level and the mud level according to the current resistance and the sudden change of the damping.

Other structures of this embodiment are the same as those of embodiment 1.

Example 4

Preferably, the flow rate measuring device 5 and the water level mud level judging device 6 are both electrically connected with the data acquisition output device 2.

The data processing terminal 1 receives data from the data acquisition output device 2, and respectively and simultaneously processes, displays and stores the flow velocity of water, the depth of water, the height of air in a pipeline, the flow cross section area of water and the flow of water.

Other structures of this embodiment are the same as those of embodiment 1.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A portable multifunctional flowmeter, includes data processing terminal (1) and platform (7), its characterized in that: the data processing terminal (1) is connected with the data acquisition output device (2) on the platform (7) through a data line (11), an opening (12) is arranged on the platform (7), two parallel first sliding rods (8) are arranged on two sides of the opening (12), movable blocks (13) which slide through are arranged on the first sliding rods (8), a second sliding rod (9) is connected between the movable blocks (13), a storage device (3) is arranged at the joint of the second sliding rod (9) and the movable block (13) through electric connection, a connecting block (10) which passes through the second sliding rod (9) in a sliding way is arranged on the second sliding rod (9), a high-strength pipe (4) which slides through the connecting block (10) is vertically arranged, a flow velocity measuring device (5) is arranged on the high-strength pipe (4) at the lower side of the platform (7), the bottom end of the high-strength pipe (4) is connected with water level mud level judging equipment (6);

the water level mud level distinguishing device (6) consists of a resistance sensor, a current sensor and an electrode;

firstly, the device is placed above a sewage pipeline, a program is set for a storage device, a movable block drives a high-strength pipe to move back and forth, when the device moves to a corresponding position of the sewage pipeline, the storage device gives a command to a connecting block, the connecting block moves left and right to a proper position, then the high-strength pipe moves downwards, the movement can be set by the storage device to move in a program mode, the high-strength pipe can be operated manually, a flow velocity measuring device and a water level mud level distinguishing device move into the sewage pipeline and extend into water, the flow velocity measuring device can transmit flow velocity data to a data acquisition output device 2, the resistance current of the water level mud level distinguishing device is also transmitted to the data acquisition output device 2, when the water level mud level distinguishing device contacts mud, the resistance current changes suddenly and can be used as one of standards for judging water and mud interface, and finally, a data processing terminal receives data from the data acquisition output device and respectively processes data simultaneously, Displaying and storing the flow speed of water, the depth of the water, the height of air in the pipeline, the flow cross-sectional area of the water and the flow of the water.

2. A portable multifunction flow meter as defined in claim 1, wherein: the flow speed measuring equipment (5) is rotatably connected with a rotary propeller (51).

3. A portable multifunction flow meter as defined in claim 1, wherein: the flow rate measuring equipment (5) and the water level mud level judging equipment (6) are electrically connected with the data acquisition output device (2).