CN219641006U - Cantilever type multi-point clear canal flow measuring device - Google Patents
Cantilever type multi-point clear canal flow measuring device Download PDFInfo
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- CN219641006U CN219641006U CN202320082686.8U CN202320082686U CN219641006U CN 219641006 U CN219641006 U CN 219641006U CN 202320082686 U CN202320082686 U CN 202320082686U CN 219641006 U CN219641006 U CN 219641006U
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- 229940036057 clearcanal Drugs 0.000 title claims description 6
- 239000000523 sample Substances 0.000 claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000005259 measurement Methods 0.000 claims abstract description 15
- 238000006073 displacement reaction Methods 0.000 claims abstract description 6
- 230000001681 protective effect Effects 0.000 claims description 14
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001595 flow curve Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a cantilever type multipoint clear channel flow measuring device, belongs to the technical field of flow measurement, and solves the problem of poor accuracy of data measured by the existing flow measuring device. A cantilever type multipoint clear channel flow measuring device comprises a bridge, a motor, an angle sensor, a displacement sensor, a transmission mechanism and a probe device; the bridge frame is erected above the channel and serves as a support of the flow measuring device, the motor can drive the probe device to rotate and move up and down, the angle sensor is used for measuring the rotation angle of the probe device, the probe device is provided with a flow velocity sensor, and the flow velocity sensor can be used for measuring the flow velocity of water at a certain point in the channel. The probe device of the flow measuring device can rotate under the drive of the motor and the transmission mechanism, can measure the water flow at different points, improves the accuracy of measured data and reduces the measuring error.
Description
Technical Field
The utility model relates to the technical field of flow measurement, in particular to a cantilever type multipoint clear channel flow measurement device.
Background
Common water measuring methods such as weir groove flow measurement and the like consider that the water level-flow rate of a standard section is fixed, but the influence of parameters such as channel shape, flow state and the like is not considered when the flow rate is measured. The research on the water flow characteristics of the open channel shows that the flow rates at different positions of the same section are unevenly distributed, while the commonly used flow measuring devices in the prior art are fixed on a measuring bridge or a vertical rod, and only the average flow rate of the water surface of the measured section can be obtained in the using process. The value of the water surface flow velocity coefficient determines the accuracy of flow measurement, and if only the flow velocity of a certain point is measured, the measured data has a certain error. Especially for the channel with serious siltation, the river bottom of the water diversion channel forms siltation due to the influence of the siltation condition, the bottom surface of the channel forms an irregular shape, and an ideal flow curve is often not obtained, so that the measurement result is influenced.
Disclosure of Invention
In view of the above analysis, the present utility model is directed to a cantilever type multi-point clear channel flow measurement device, so as to solve the problem of poor accuracy of data measured by the existing flow measurement device.
The aim of the utility model is mainly realized by the following technical scheme:
a cantilever type multipoint clear channel flow measuring device comprises a bridge, a motor, an angle sensor, a displacement sensor, a transmission mechanism and a probe device; the bridge frame is erected above the channel and serves as a support of the flow measuring device, the motor can drive the probe device to rotate and move up and down, the angle sensor is used for measuring the rotation angle of the probe device, the probe device is provided with a flow velocity sensor, and the flow velocity sensor can be used for measuring the flow velocity of water at a certain point in the channel.
Further, the probe device further comprises a supporting shaft, the motor comprises a first motor and a second motor, the first motor is connected with the supporting shaft, and the second motor is connected with the probe device.
Further, the device also comprises a transmission mechanism, and the first motor is connected with the support shaft through the transmission mechanism.
Further, the transmission mechanism comprises a motor shaft gear and a supporting shaft gear, the motor shaft gear is arranged on an output shaft of the first motor, the supporting shaft gear is sleeved on the supporting shaft, and the motor shaft gear is meshed with the supporting shaft gear.
Further, the support shaft includes a vertical section parallel to the upright of the bridge and an inclined section at an angle to the vertical section.
Further, the upper end of the inclined section is connected with the vertical section, and the lower end is connected with the probe device.
Further, the probe device further comprises a protective sleeve, a support and a touch plate, wherein the support is arranged in the protective sleeve, and the touch plate is fixedly installed at the lower end of the support.
Further, the flow rate sensor is mounted on the touch plate.
Further, a spring is arranged between the bracket and the protective sleeve; the spring is arranged inside the protective sleeve and sleeved outside the support.
Further, a travel switch is arranged at the top end of the inner part of the protective sleeve.
The utility model can at least realize one of the following beneficial effects:
(1) The probe device of the flow measuring device can rotate under the drive of the motor and the transmission mechanism, can measure the water flow at different points, improves the accuracy of measured data and reduces the measuring error.
(2) The bottom of the probe device is provided with the touch plate, so that the probe device can be protected on one hand, and on the other hand, the descending resistance of the probe device can be increased when the probe device touches the bottom, so that the processor can obtain bottoming information in time, and measurement errors are avoided.
In the utility model, the technical schemes can be mutually combined to realize more preferable combination schemes. Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the utility model, like reference numerals being used to refer to like parts throughout the several views.
FIG. 1 is a schematic diagram of a cantilever-type multi-point clear channel flow measurement device according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a transmission mechanism according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a probe apparatus according to an embodiment of the present utility model.
Reference numerals:
1-bridge, 2-supporting shaft, 21-vertical section, 22-inclined section, 3-angle sensor, 4-processor, 5-first motor, 6-second motor, 7-displacement sensor, 8-probe device, 81-protective sleeve, 82-bracket, 83-touch plate, 84-flow sensor, 85-spring, 86-travel switch, 9-motor shaft gear, 10-supporting shaft gear.
Detailed Description
The following detailed description of preferred embodiments of the utility model is made in connection with the accompanying drawings, which form a part hereof, and together with the description of the embodiments of the utility model, are used to explain the principles of the utility model and are not intended to limit the scope of the utility model.
In one embodiment of the utility model, as shown in FIG. 1, a cantilever type multi-point clear channel flow measuring device is disclosed, comprising a bridge frame 1, a motor, an angle sensor 3, a displacement sensor 7, a transmission mechanism, a probe device 8 and a processor 4; the bridge 1 is erected above the channel and serves as a support of a flow measuring device, the motor can drive the probe device 8 to rotate and move up and down, the angle sensor 3 measures the rotation angle of the probe device 8, the probe device 8 is provided with a flow velocity sensor 84, the flow velocity sensor 84 can measure the flow velocity of water at a certain point in the channel, the transmission mechanism is connected with the motor and the probe device 8 and transmits the rotation of the motor to the probe device 8, and the processor 4 records the values of the angle sensor 3 and the flow velocity sensor 84 and sends a start-stop instruction to the motor.
In this embodiment, the probe device 8 is first driven by the motor to rotate a certain angle, then the motor drives the probe device 8 to move downwards, when the probe device 8 contacts the water surface for the first time, a current loop is formed, at this time, the processor 4 receives a current path signal, records the initial value of the water level, and the flow rate sensor 84 records the flow rate of the water surface; when the probe device 8 continues to move downwards and contacts with the sludge or the canal bottom and cannot continue to travel, a signal is sent to the processor 4, the processor 4 records the water level height returned by the displacement sensor 7, the flow rate sensor 84 records the flow rate of the water bottom, the average flow rate of the flow rates measured by the two flow rate sensors 84 is taken as the flow rate of the water flow for the first counting, the measured water level height and the flow rate are returned to the processor 4, and the water flow of the first rotation coverage area is calculated by combining the known cross-sectional area; then, the probe device 8 returns to above the water surface under the drive of the motor, the probe device 8 continues to rotate for a certain angle under the drive of the motor, and the steps are repeated to obtain the water flow of the second rotation coverage area; and continuing to repeat the steps so as to finish the multi-point water flow measurement.
Specifically, the bridge 1 is a door frame type structure and comprises two upright posts and a cross beam, wherein the cross beam is connected with the two upright posts, the upright posts are spanned on two sides of a channel, and the flow measuring device is arranged on the cross beam.
Further, the motor comprises a first motor 5 and a second motor 6, the first motor 5 is connected with a transmission mechanism, and the transmission mechanism is connected with the probe device 8 through the support shaft 2.
Further, as shown in fig. 2, the transmission mechanism comprises a motor shaft gear 9 and a supporting shaft gear 10, the motor shaft gear 9 is arranged on the output shaft of the first motor 5, the supporting shaft gear 10 is sleeved on the supporting shaft 2, and the motor shaft gear 9 and the supporting shaft gear 10 are meshed, so that the supporting shaft 2 can rotate under the drive of the first motor 5.
Further, the support shaft 2 comprises a vertical section 21 and an inclined section 22, the vertical section 21 being parallel to the uprights of the bridge 1, the inclined section 22 being at an angle to the vertical section 21. The upper end of the inclined section 22 is connected to the vertical section 21 and the lower end is connected to the probe device 8 so that the probe device 8 can rotate about the vertical section 21 as a rotation center, thereby enabling the flow rate sensor 84 mounted on the probe device 8 to measure flow rates at different points.
Further, a second motor 6 is connected to the probe device 8, and the second motor 6 can drive the probe device 8 to move up and down.
Further, the angle sensor 3 can detect the rotation angle of the support shaft 2, and the processor 4 stops the operation of the first motor 5 after each rotation of the support shaft 2 to a set angle.
Further, as shown in fig. 3, the probe device 8 further includes a protective sleeve 81, a bracket 82, and a touch plate 83, the bracket 82 is disposed inside the protective sleeve 81, and the touch plate 83 is fixedly mounted at the lower end of the bracket 82; the flow rate sensor 84 is mounted on the touch plate 83.
Further, a spring 85 is provided between the bracket 82 and the protection sleeve 81; the spring 85 is arranged inside the protective sleeve 81 and sleeved outside the bracket 82, and a travel switch 86 is arranged at the top end inside the protective sleeve 81.
In this embodiment, the touch plate 83 at the bottom of the probe device 8 is fixed with the bracket 82 into a whole, after the touch plate 83 touches the bottom, the protecting sleeve 81 moves downwards to compress the spring 85, the bracket 82 moves upwards relative to the protecting sleeve 81 until the bracket 82 contacts with the travel switch 86, the travel switch 86 sends out a touch signal, and then the processor 4 controls the second motor 6 to start reversing to drive the probe device 8 to leave the water surface; subsequently, the probe device 8 continues to rotate by a set angle under the drive of the first motor, and the water flow of the coverage area of the second rotation starts to be measured.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.
Claims (10)
1. The cantilever type multipoint clear channel flow measuring device is characterized by comprising a bridge (1), a motor, an angle sensor (3), a displacement sensor (7), a transmission mechanism and a probe device (8); the bridge frame (1) is erected above the channel and serves as a support of the flow measuring device, the motor can drive the probe device (8) to rotate and move up and down, the angle sensor (3) is used for measuring the rotation angle of the probe device (8), the probe device (8) is provided with a flow rate sensor (84), and the flow rate sensor (84) can be used for measuring the flow rate of water at a certain point in the channel.
2. The cantilever-type multi-point canal flow measuring device according to claim 1, further comprising a support shaft (2), the motor comprising a first motor (5) and a second motor (6), the first motor (5) being connected to the support shaft (2), the second motor (6) being connected to the probe device (8).
3. The cantilever-type multi-point clear canal flow measuring device according to claim 2, characterized by further comprising a transmission mechanism through which the first motor (5) is connected with the support shaft (2).
4. The cantilever-type multi-point clear canal flow measuring device according to claim 3, characterized in that the transmission mechanism comprises a motor shaft gear (9) and a supporting shaft gear (10), the motor shaft gear (9) is arranged on the output shaft of the first motor (5), the supporting shaft gear (10) is sleeved on the supporting shaft (2), and the motor shaft gear (9) is meshed with the supporting shaft gear (10).
5. The cantilever-type multipoint clear channel flow measuring device according to claim 4, characterized in that the support shaft (2) comprises a vertical section (21) and an inclined section (22), the vertical section (21) being parallel to the upright of the bridge (1).
6. The cantilever-type multipoint clear channel flow measuring device according to claim 5, wherein the inclined section (22) is connected at its upper end to the vertical section (21) and at its lower end to the probe means (8).
7. The cantilever multipoint clear canal flow measurement device according to any one of claims 1-6, wherein the probe device (8) further comprises a protective sleeve (81), a bracket (82) and a touch plate (83), the bracket (82) is arranged inside the protective sleeve (81), the touch plate (83) is fixedly arranged at the lower end of the bracket (82), and the touch plate (83) can increase the resistance when the probe device (8) is contacted with the bottom of a channel.
8. The cantilever-type multi-point clear channel flow measurement device of claim 7, wherein the flow sensor (84) is mounted on the touch plate (83).
9. The cantilever multipoint clear canal flow measurement device according to claim 7, wherein a spring (85) is provided between the bracket (82) and the protective sleeve (81); the spring (85) is arranged inside the protective sleeve (81) and sleeved outside the bracket (82).
10. The cantilever multipoint clear channel flow measurement device according to claim 7, wherein the inner tip of the protective sleeve (81) is provided with a travel switch (86).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320082686.8U CN219641006U (en) | 2023-01-28 | 2023-01-28 | Cantilever type multi-point clear canal flow measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320082686.8U CN219641006U (en) | 2023-01-28 | 2023-01-28 | Cantilever type multi-point clear canal flow measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219641006U true CN219641006U (en) | 2023-09-05 |
Family
ID=87808432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320082686.8U Active CN219641006U (en) | 2023-01-28 | 2023-01-28 | Cantilever type multi-point clear canal flow measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219641006U (en) |
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2023
- 2023-01-28 CN CN202320082686.8U patent/CN219641006U/en active Active
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