CN214333781U - But cableway flow measurement device of long-range management and control - Google Patents
But cableway flow measurement device of long-range management and control Download PDFInfo
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- CN214333781U CN214333781U CN202120578828.0U CN202120578828U CN214333781U CN 214333781 U CN214333781 U CN 214333781U CN 202120578828 U CN202120578828 U CN 202120578828U CN 214333781 U CN214333781 U CN 214333781U
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Abstract
The utility model discloses a cableway flow measuring device capable of being remotely controlled, which comprises a hydrological winch, a flow measuring fish lead, a test hanging box, a PC and a matched electric control cabinet; the hydrological winch is arranged across the river channel, and the flow measurement lead fish and the test hanging box are both hung on the cable channel of the hydrological winch; the device also comprises an incremental photoelectric encoder which is arranged on a transmission shaft of the hydrological winch and is connected with a PLC signal transmission in the electrical control cabinet; the flow measurement electronic device is integrated on the single chip microcomputer in the test hanging box, is in signal transmission connection with the flow measurement lead fish and is in data interactive connection with the PLC; the water depth measuring device also comprises a water depth measuring unit group which is arranged in the flow measuring fish and is used for measuring water depth and a flow velocity measuring unit which is used for measuring flow velocity. The utility model provides a pair of cableway flow measurement device that can long-range management and control, hydrology flow measurement is accurate, reliable, is suitable for the scale and promotes.
Description
Technical Field
The utility model belongs to the technical field of the hydrology is measured, especially, relate to a cableway flow measurement device of long-range management and control.
Background
The river flow test is an essential work in hydrological measurement, and plays an important role in hydraulic engineering construction management, flood prevention and drought control, water resource management, protection and the like. The method of the water conservancy cable channel fish lead flow meter is a main water conservancy testing means of the traditional water conservancy station and is also a method adopted by most of the current domestic water conservancy stations. When the fixed-point flow measurement of the fish lead is utilized, the fish lead provided with the propeller type current meter is generally vertically placed in an underwater preset position by adopting a suspension cable channel. However, after the fish lead enters water, on one hand, the influence of water flow impact force can cause overlarge deflection angle of a suspension cable of a wet rope and a dry rope, and cause a water depth measurement error; on the other hand, the pulse counting of the current meter is started when the lead fish posture is not stable, so that the deviation of the current value obtained by the system and the actual value is overlarge.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the not enough of existence among the prior art, the utility model provides a but cableway flow measurement device of long-range management and control, hydrology flow measurement is accurate, reliable, is suitable for the scale and promotes.
The technical scheme is as follows: in order to achieve the purpose, the utility model discloses a cableway flow measuring device capable of being remotely controlled, which comprises a hydrological winch, a flow measuring fish lead, a test hanging box, a PC and a matched electric control cabinet;
the hydrological winch stretches across a river channel, the flow measurement fish lead and the test hanging box are both hung on a cable channel of the hydrological winch, the flow measurement fish lead is driven by the hydrological winch to move up and down and forward and backward, and the test hanging box lead is driven by the hydrological winch to move forward and backward;
the device also comprises an incremental photoelectric encoder which is arranged on a transmission shaft of the hydrological winch and is connected with a PLC signal transmission in the electrical control cabinet;
the flow measurement electronic device is integrated on the single chip microcomputer in the test hanging box, is in signal transmission connection with the flow measurement lead fish and is in data interactive connection with the PLC;
the water depth measuring unit group and the flow velocity measuring unit are respectively connected with a single chip microcomputer in the test hanging box in a signal transmission manner;
the PC, the PLC and the single chip microcomputer are connected through an Ethernet.
Further, the hydrological winch adopts an asynchronous motor to provide driving force, and the incremental photoelectric encoder is installed on the transmission shaft connected with a rotating shaft of the asynchronous motor.
Further, the water depth measuring unit group comprises a water surface water depth sensor and a water bottom water depth sensor, and the current velocity measuring unit comprises a current velocity meter.
Further, the water surface water depth sensor, the water bottom water depth sensor and the current meter are respectively in wired connection with the single chip microcomputer in the test hanging box through signal lines.
Further, the flow measuring fish is provided with an attitude sensor which passes through I2And the C-to-serial port mode is in communication connection with the single chip microcomputer in the test hanging box.
Further, the attitude sensor adopts an MPU9250 type low-power-consumption attitude sensor.
Has the advantages that: the utility model discloses a but cableway flow measurement device of long-range management and control, beneficial effect is: the utility model discloses an attitude sensor's addition carries out real-time measurement in order to guide hydrology current surveying to the current surveying fish gesture to improve the accuracy and the reliability of hydrology current surveying greatly, be suitable for the scale and promote.
Drawings
FIG. 1 is a schematic structural diagram of a cableway flow measuring device;
FIG. 2 is a schematic view of river channel segment surface area division.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, the cable channel flow measuring device capable of being remotely controlled comprises a hydrological winch 1, a flow measuring fish 2, a test hanging box 3, a PC and a matched electric control cabinet; the hydrological winch 1 stretches across a river channel 4, the flow measurement fish 2 and the test hanging box 3 are both hung on a cable channel 10 of the hydrological winch 1, the flow measurement fish 2 is driven by the hydrological winch 1 to move up and down and forward and backward, and the test hanging box 3 is driven by the hydrological winch 1 to move forward and backward.
The utility model also comprises an incremental photoelectric encoder which is arranged on the transmission shaft of the hydrological winch 1 and is connected with the PLC signal transmission in the electric control cabinet; more specifically, the hydrological winch 1 adopts an asynchronous motor to provide driving force, the incremental photoelectric encoder is installed on the transmission shaft connected with a rotating shaft of the asynchronous motor, and the positions of the test hanging box 3 and the flow measurement fish 2 can be accurately measured through the incremental photoelectric encoder.
The utility model discloses still include the current surveying electron device, it is integrated on the singlechip in test hanging box 3, current surveying electron device and current surveying 2 signal transmission of fish lead are connected, and current surveying electron device and PLC data interactive connection. The current measurement electronic device is mainly used for moving in coordination with the current measurement lead fish 2 and receiving a current measurement signal sent by the current measurement lead fish 2, and is also responsible for data interaction with a PLC in the electrical control cabinet.
The utility model also comprises a water depth measuring unit group which is arranged in the flow measurement fish 2 and is used for measuring the water depth and a flow velocity measuring unit which is used for measuring the flow velocity, wherein the water depth measuring unit group and the flow velocity measuring unit are respectively connected with the single chip microcomputer signal transmission in the test hanging box 3; more specifically, the bathymetric survey unit group includes surface of water depth sensor and submarine depth sensor, the velocity of flow measurement unit includes the current meter, mainly used for measuring depth of water and velocity of flow. In addition, the outputs of the water surface water depth sensor, the water bottom water depth sensor and the current meter are all switching signals, so that the water surface water depth sensor, the water bottom water depth sensor and the current meter are respectively in wired connection with the single chip microcomputer in the test hanging box 3 through signal lines, and therefore uncertainty in signal transmission is solved.
The PC, the PLC and the single chip microcomputer are connected through an Ethernet, and the PC and the matched electric control cabinet mainly complete remote automatic monitoring and information processing of hydrological flow measurement.
Notably, the flow-measuring fish 2 has an attitude sensor which passes through I2And the C-to-serial port mode is in communication connection with the single chip microcomputer in the test hanging box 3. Preferably, the attitude sensor is a low power consumption MPU9250 type attitude sensor. In order to improve the measurement precision, an intelligent flow measurement lead fish design method based on a Kalman filtering algorithm is utilized, an MPU9250 type low-power-consumption attitude sensor is added in the flow measurement lead fish, and the Kalman filtering algorithm is utilized to perform data fusion on attitude angles obtained by a gyroscope and an accelerometer, so that the roll angle, the pitch angle and the yaw angle of the flow measurement lead fish are obtained. And if the deviation between the roll angle and the pitch angle is not more than 5 degrees, the flow meter is started to detect after the flow measuring lead fish is stable. In addition, the water depth coefficient is corrected by using the acquired yaw angle.
The river flow is mainly measured by adopting a flow velocity-area method. The flow velocity-area method is to divide the water section into several regions by taking the vertical line of the flow velocity as a boundary, and then calculate the river flow by measuring the average value of the flow velocity of some points and lines of the river section and multiplying the average value by the section area in a slicing and summing manner. The sectional area division is schematically shown in the attached figure 2, and the corresponding sectional total flow calculation flows are sequentially shown in formulas (1-1) to (1-4). The horizontal distance of the vertical lines of the cross section and the speed measuring position of the vertical line section are mainly set according to national standards such as river flow measurement standards, irrigation channel system water measurement standards and the like.
The section area between every two vertical lines A2-A7:
cross-sectional area of shoreside side portions a1, A8:
total flow rate of cross section:
wherein d isiRefers to the depth of water at a certain vertical line of flow velocity; i is the serial number of the velocity measurement vertical line; w is aiRefers to the cross-sectional width of a certain part; a. theiRefers to the area of a cross section; v. ofiMeans the average flow velocity of a section of a certain part; q is the total flow of the cross section.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (6)
1. The utility model provides a but cableway flow measurement device of long-range management and control which characterized in that: comprises a hydrological winch (1), a flow measurement fish (2), a test hanging box (3), a PC and a matched electric control cabinet;
the hydrological winch (1) stretches across a river channel (4), the flow measurement fish lead (2) and the test hanging box (3) are both hung on a cable channel (10) of the hydrological winch (1), the flow measurement fish lead (2) is driven by the hydrological winch (1) to realize up-down and forward-backward movement operation, and the test hanging box (3) is driven by the hydrological winch (1) to realize forward-backward movement operation;
the device also comprises an incremental photoelectric encoder which is arranged on a transmission shaft of the hydrological winch (1) and is connected with a PLC signal transmission in the electrical control cabinet;
the flow measurement electronic device is integrated on a single chip microcomputer in the test hanging box (3), is in signal transmission connection with the flow measurement fish (2), and is in data interactive connection with the PLC;
the water depth measuring unit group and the flow velocity measuring unit are respectively connected with a single chip microcomputer signal in the test hanging box (3) in a signal transmission mode;
the PC, the PLC and the single chip microcomputer are connected through an Ethernet.
2. The cableway flow measuring device capable of being remotely controlled according to claim 1, wherein: the hydrological winch (1) adopts an asynchronous motor to provide driving force, and the incremental photoelectric encoder is arranged on the transmission shaft connected with a rotating shaft of the asynchronous motor.
3. The cableway flow measuring device capable of being remotely controlled according to claim 1, wherein: the water depth measurement unit group comprises a water surface water depth sensor and a water bottom water depth sensor, and the flow velocity measurement unit comprises a flow velocity meter.
4. The cableway flow measuring device capable of being remotely controlled according to claim 3, wherein: the water surface water depth sensor, the water bottom water depth sensor and the current meter are respectively in wired connection with the single chip microcomputer in the test hanging box (3) through signal lines.
5. The cableway flow measuring device capable of being remotely controlled according to claim 1, wherein: the flow measuring fish (2) is provided with an attitude sensor which passes through I2The C-to-serial port mode is in communication connection with the single chip microcomputer in the test hanging box (3).
6. The cableway flow measuring device capable of being remotely controlled according to claim 5, wherein: the attitude sensor adopts an MPU9250 type low-power-consumption attitude sensor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120578828.0U CN214333781U (en) | 2021-03-22 | 2021-03-22 | But cableway flow measurement device of long-range management and control |
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| CN202120578828.0U CN214333781U (en) | 2021-03-22 | 2021-03-22 | But cableway flow measurement device of long-range management and control |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018345A (en) * | 2021-11-18 | 2022-02-08 | 邢杰炜 | Online flow measurement system and measurement method |
| CN115876170A (en) * | 2023-01-18 | 2023-03-31 | 山西旭睿金盟科技有限公司 | River channel flow area detection device and detection method |
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2021
- 2021-03-22 CN CN202120578828.0U patent/CN214333781U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018345A (en) * | 2021-11-18 | 2022-02-08 | 邢杰炜 | Online flow measurement system and measurement method |
| CN114018345B (en) * | 2021-11-18 | 2024-02-09 | 邢杰炜 | Online flow measurement system and measurement method |
| CN115876170A (en) * | 2023-01-18 | 2023-03-31 | 山西旭睿金盟科技有限公司 | River channel flow area detection device and detection method |
| CN115876170B (en) * | 2023-01-18 | 2023-05-09 | 山西旭睿金盟科技有限公司 | River channel flow area detection device and detection method |
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Effective date of registration: 20231221 Address after: 710000, No. 1-40204, 2nd Floor, Longshi Yannanqi, Wensheng Road, Qujiang New District, Xi'an City, Shaanxi Province Patentee after: Xi'an Zhonglin Safety Technology Consulting Co.,Ltd. Address before: No.809 Qianhu Road, Huishan District, Wuxi City, Jiangsu Province Patentee before: WUXI INSTITUTE OF COMMERCE |