CN210664693U - Novel supersound open channel flowmeter calibrating installation - Google Patents
Novel supersound open channel flowmeter calibrating installation Download PDFInfo
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- CN210664693U CN210664693U CN201921858552.0U CN201921858552U CN210664693U CN 210664693 U CN210664693 U CN 210664693U CN 201921858552 U CN201921858552 U CN 201921858552U CN 210664693 U CN210664693 U CN 210664693U
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Abstract
The application discloses novel supersound open channel flowmeter calibrating installation includes: the device comprises a mounting seat, a lifting mechanism, a reflecting flat plate and a main controller; the reflection flat plate is horizontally arranged on the lifting mechanism and is used for detecting and identifying a probe of the ultrasonic open channel flowmeter to be detected; the lifting mechanism is arranged on the mounting seat and is used for driving the reflecting flat plate to move up and down; the master controller is electrically connected with the lifting mechanism. The ultrasonic open channel flowmeter to be detected can realize full-range flow measurement by identifying the position of the reflecting flat plate under the condition that the open channel is free of water. The full-range calibration of the ultrasonic open channel flowmeter is simply and quickly completed.
Description
Technical Field
The utility model relates to a flow measurement technical field of open channel especially relates to a novel supersound open channel flowmeter calibrating installation.
Background
The ultrasonic open channel flowmeter is a common open channel flowmeter, is widely applied to the fields of agricultural irrigation water quantity metering, river water quantity monitoring, enterprise sewage discharge monitoring and the like, and is an important metering device for ensuring agricultural production, warning flood, environmental protection monitoring and trade settlement. The flowmeter has the characteristics of low requirement on liquid media, convenience in installation, simplicity in maintenance, long service life, strong environmental adaptability, good working stability, high precision, wide measurement range and the like.
The ultrasonic open channel flowmeter consists of a water gaging weir groove and an instrument (with liquid level detection, operation and display functions), wherein when the flow is measured, an ultrasonic sensor is firstly utilized to measure the actual water head height; secondly, calculating the flow of the water flow in a secondary instrument by utilizing the fixed function relation between the parameters of the water gaging weir groove and the height of the water head, and performing time integration on the flow; and finally, displaying the instantaneous flow, the cumulant, the water head height and the like, and uploading the information to an upper computer. The metering accuracy of the ultrasonic open channel flow meter depends on the liquid level measurement accuracy and the physical size of the water weir groove.
However, in the detection of the ultrasonic open channel flowmeter, due to the reasons of difficult water flow control, insufficient water quantity and the like, the detection time is very long, the detection of the full range of the open channel flowmeter cannot be completed, and great inconvenience is brought to enterprises.
SUMMERY OF THE UTILITY MODEL
In view of this, the present application provides a novel ultrasonic open channel flow meter calibrating device, which can simply and quickly complete the full-scale calibration of an ultrasonic open channel flow meter.
In order to achieve the above technical object, the present application provides a novel ultrasonic open channel flowmeter calibrating device, including: the device comprises a mounting seat, a lifting mechanism, a reflecting flat plate and a main controller;
the reflection flat plate is horizontally arranged on the lifting mechanism and is used for detecting and identifying a probe of the ultrasonic open channel flowmeter to be detected;
the lifting mechanism is arranged on the mounting seat and is used for driving the reflecting flat plate to move up and down;
the main controller is electrically connected with the lifting mechanism.
Further, the lifting mechanism comprises a lifter and a driver for driving the lifter;
the lifter is mounted on the mounting seat.
Further, the lifter comprises a bracket, a guide rail, a sliding block and a screw rod;
the bracket is vertically arranged on the mounting seat;
the guide rail is arranged on the bracket along the length direction of the bracket;
the screw rod is pivoted on the bracket along the length direction of the bracket;
the sliding block is slidably arranged on the guide rail and is in threaded fit with the screw rod;
the driver is specifically a driving motor electrically connected with the main controller;
the driving motor is connected with the screw rod and is used for driving the screw rod to rotate.
Further, the device also comprises a transmission mechanism;
the driving motor is connected with the screw rod through the transmission mechanism.
Further, the transmission mechanism comprises a first gear, a second gear and a belt;
the driving motor is arranged on the mounting seat, and the first gear is fixedly sleeved on the output shaft;
the second gear sleeve is fixed on the screw rod and is in transmission fit with the first gear through the belt.
Further, the device also comprises a level meter;
the gradienter is arranged on the reflecting plate and is electrically connected with the main controller.
Further, a plurality of level adjusters are also included;
the level adjuster is mounted on the mounting base.
Further, the horizontal adjuster is a horizontal adjusting screw;
the horizontal adjusting screws are movably arranged on the mounting seat in a penetrating mode and are distributed along the circumference of the central axis of the mounting seat.
Furthermore, a bayonet used for installing a probe of the detected ultrasonic open channel flow meter is arranged at the top end of the bracket.
Further, the system also comprises a mobile terminal;
the mobile terminal is wirelessly connected with the master controller.
According to the technical scheme, the lifting mechanism is arranged on the mounting base, the reflection plate is arranged on the lifting mechanism, the lifting mechanism is controlled by the main controller to drive the reflection plate to move up and down, different liquid level heights can be simulated, different verification liquid level heights of the detected ultrasonic open channel flowmeter can be provided, and the flow measurement of the full-range ultrasonic open channel flowmeter can be realized by recognizing the position of the reflection plate under the anhydrous condition of the open channel. And then the measured flow value of the ultrasonic open channel flowmeter to be detected is compared with the standard flow value obtained by the operation of the main controller, so that the verification of the ultrasonic open channel flowmeter to be detected can be completed. The full-range calibration of the ultrasonic open channel flowmeter is simply and quickly completed.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic diagram of a use state of a novel ultrasonic open channel flow meter calibrating device provided in the present application;
fig. 2 is a schematic diagram of the overall structure of a novel ultrasonic open channel flow meter calibrating device provided in the present application;
fig. 3 is a schematic diagram of a verification process of a novel ultrasonic open channel flow meter verification device provided in the present application;
fig. 4 is a schematic view of flow rate measurement points of a novel ultrasonic open channel flow meter calibration apparatus provided in the present application;
in the figure: 1. a bayonet; 2. a support; 3. a guide rail; 4. a slider; 5. a drive motor; 6. a mounting seat; 7. a horizontal adjusting screw; 8. a level gauge; 9. a reflective plate; 10. a screw rod; 200. a water gaging weir groove; 301. a meter; 302. a probe; 303. the power connection end.
Detailed Description
The technical solutions of the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the embodiments in the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
The embodiment of the application discloses novel supersound open channel flowmeter calibrating installation.
Referring to fig. 1 and 2, an embodiment of a novel ultrasonic open channel flow meter calibrating apparatus provided in an embodiment of the present application includes:
a mounting seat 6, a lifting mechanism, a reflecting flat plate 9 and a main controller (not shown); the reflecting flat plate 9 is horizontally arranged on the lifting mechanism and is used for detecting and identifying a probe 302 of the ultrasonic open channel flowmeter to be detected; the lifting mechanism is arranged on the mounting seat 6 and is used for driving the reflecting flat plate 9 to move up and down; the master controller is electrically connected with the lifting mechanism.
Specifically, the master controller may include a PLC control board/microprocessor, a power supply, and other modules, and may control the lifting mechanism and process data, specifically without limitation. The calibrating personnel can input calibrating instructions to the main controller through the external equipment, for example, the calibrating instructions can be input to simulate the liquid level height, and then the main controller recognizes the instructions and drives the reflecting flat plate 9 to move up and down to a specified height value for simulating the liquid level height. If the method is applied to actual open channel detection, the appearance of the water gaging weir notch 200 of the detected open channel flowmeter can be detected through an auxiliary module consisting of a roughness comparison module, a steel ruler, a dip rod and an angle gauge, so that the requirement of metering data is provided; the resulting gaging weir notch 200 appearance parameters can be input to the master controller. The main controller can calculate a standard flow value by combining the simulated liquid level height and the appearance parameters of the water gaging weir groove 200; the detected ultrasonic open channel flowmeter can obtain a measured flow value by combining the simulated liquid level height obtained from the reflecting flat plate 9 according to the appearance parameters of the water gaging weir notch 200; and finally, reading the measured flow value, inputting the measured flow value into the main controller, and comparing through the main controller to obtain a verification result.
According to the technical scheme, the lifting mechanism is arranged on the mounting base 6, the reflection flat plate 9 is mounted on the lifting mechanism, the main controller is used for controlling the lifting mechanism to drive the reflection flat plate 9 to move up and down, different liquid level heights can be simulated, different verification liquid level heights of the detected ultrasonic open channel flowmeter can be provided, and the detected ultrasonic open channel flowmeter can realize full-range flow measurement by identifying the position of the reflection flat plate 9 under the anhydrous condition of the open channel. And then the measured flow value of the ultrasonic open channel flowmeter to be detected is compared with the standard flow value obtained by the operation of the main controller, so that the verification of the ultrasonic open channel flowmeter to be detected can be completed. The full-range calibration of the ultrasonic open channel flowmeter is simply and quickly completed.
The above is a first embodiment of the novel ultrasonic open channel flowmeter calibrating device provided in the embodiment of the present application, and the following is a second embodiment of the novel ultrasonic open channel flowmeter calibrating device provided in the embodiment of the present application, specifically referring to fig. 1 to 4.
A novel supersound open channel flowmeter calibrating installation includes: the device comprises a mounting seat 6, a lifting mechanism, a reflecting flat plate 9 and a main controller; the reflecting flat plate 9 is horizontally arranged on the lifting mechanism and is used for detecting and identifying a probe 302 of the ultrasonic open channel flowmeter to be detected; the lifting mechanism is arranged on the mounting seat 6 and is used for driving the reflecting flat plate 9 to move up and down; the master controller is electrically connected with the lifting mechanism.
Specifically, the mounting seat 6 is used for supporting and fixing, and the specific structure is not limited; the reflection plate 9 is used for being identified and detected by the probe 302, the structure can be in a straight plate shape, and the thickness material is not limited specifically. Those skilled in the art can make appropriate changes based thereon.
Further, the lifting mechanism comprises a lifter and a driver for driving the lifter; the lifter is mounted on the mounting base 6. The corresponding drivers can be an air pump connected with the air cylinder, a hydraulic pump connected with the hydraulic cylinder and a storage battery connected with the electric push rod or the electromagnetic push rod; those skilled in the art can make appropriate changes based on the above without limitation.
Further, the lifter may specifically include, for example, a bracket 2, a guide rail 3, a slider 4, and a lead screw 10; the bracket 2 is vertically arranged on the mounting seat 6; the guide rail 3 is arranged on the bracket 2 along the length direction of the bracket 2; the screw rod 10 is pivoted on the bracket 2 along the length direction of the bracket 2; the sliding block 4 is slidably arranged on the guide rail 3 and is in threaded fit with the screw rod 10; the driver is specifically a driving motor 5 electrically connected with the main controller; the driving motor 5 is connected with the screw rod 10 and is used for driving the screw rod 10 to rotate.
Specifically, the bracket 2 may be detachably and vertically mounted on the mounting base 6 by a fastener such as a bolt, the cross section of the guide rail 3 may be in an Ω shape, the corresponding slide block 4 may be provided with a slide groove (not shown) in sliding fit therewith, and the slide block 4 may be provided with a threaded hole in threaded fit with the screw rod 10; the lead screw 10 can be pivotally connected and fixed on the bracket 2 through a bearing, and when the driving motor 5 rotates, the lead screw 10 can also be driven to rotate, so that the electric sliding block 4 slides up and down. The driving motor 5 can be a conventional servo motor, and the control is more accurate. Similarly, the reflection plate 9 may be detachably and horizontally mounted on the slider 4 by a fastener such as a screw. In this embodiment, the driving motor 5 may be mounted on the bracket 2 and directly connected to the screw rod 10.
Further, a transmission mechanism can also be included; the driving motor 5 is connected with the screw rod 10 through a transmission mechanism. The cooperation is more flexible like this, also does not have more requirement to the mounted position of driving motor 5.
Further, the transmission mechanism may specifically include a first gear (not shown), a second gear (not shown), and a belt; the driving motor 5 is arranged on the mounting seat 6, and a first gear is fixedly sleeved on an output shaft; the second gear sleeve is fixed on the screw rod 10 and is in transmission fit with the first gear through a belt. The driving motor 5 can be reversely mounted on the mounting base 6 through a motor base (not shown) and is close to the bottom end of the screw rod 10, transmission between the first gear and the second gear is realized through a belt, and then the driving motor 5 can be utilized to drive the screw rod 10 to rotate. The driving motor 5 may be installed at a position where it does not interfere with the movement of the reflection plate 9, and is not particularly limited. In addition, the transmission mechanism in the present application may also be directly rotated by the first gear and the second gear without providing a belt transmission, and those skilled in the art may make appropriate changes based on this, and are not limited specifically.
Further, a level 8 is also included; the level 8 is mounted on the reflective plate 9 and electrically connected to the master controller. Whether the installation that can be used for verifying calibration reflecting plate 9 through installation spirit level 8 is horizontal, wherein can be through alarm device such as plus bee calling organ for when the master controller passes through the level in order to discern that reflecting plate 9 is not horizontal or horizontal coefficient does not reach the default, can control alarm device such as bee calling organ and send alarm signal, so that let examination personnel know fast, in time adjust to the horizontality, guarantee the accuracy of examination result. In this embodiment, the level 8 may be a conventional dynamic tilt sensor, and a person skilled in the art may make appropriate changes based on the above, and the invention is not limited in particular.
Further, a plurality of level adjusters are also included; the level adjuster is mounted on the mounting seat 6. Through setting up a plurality of horizon adjustment wares, can make things convenient for the level control of mount pad 6, and then adjust the levelness of reflecting plate 9.
Further, the horizontal adjuster may be a horizontal adjusting screw 7; the horizontal adjusting screws 7 are movably arranged on the mounting seat 6 in a penetrating way and are circumferentially distributed along the central axis of the mounting seat 6. As shown in fig. 2, the horizontal adjusting screw 7 penetrates through the mounting seat 6 and is in threaded fit with the mounting seat 6, and during adjustment, the horizontal adjusting screw 7 can be twisted to adjust the height of the mounting seat 6 supported by the horizontal adjusting screw 7, so as to adjust the inclination angle in the corresponding direction, thereby realizing horizontal adjustment. The horizontal regulator can also be a horizontal regulating caster wheel in the application; those skilled in the art can make appropriate changes based on the above without limitation.
Furthermore, a bayonet 1 for mounting a probe 302 of the ultrasonic open channel flowmeter to be detected is arranged at the top end of the bracket 2. When the probe 302 is applied to a laboratory for detection, the mounting of the probe 302 can be facilitated by using the bayonet 1 without increasing a mounting structure for fixing; the use is more convenient; the probe 302 can be movably embedded on the bayonet 1. Of course, in this embodiment, a clamping member such as a clamping claw (not shown) may be disposed at the top end of the bracket 2, which is not limited in particular, and those skilled in the art may make appropriate changes based on this.
Further, the system also comprises a mobile terminal; the mobile terminal is wirelessly connected with the main controller; the mobile terminal can be a tablet computer, a mobile phone and other mobile terminal devices, a wireless connection module, such as a wireless WiFi module and a wireless Bluetooth module, can be arranged on the corresponding main controller, remote control is achieved by the aid of the mobile terminal, and the mobile terminal is more convenient to use.
As shown in fig. 3, the calibrating apparatus with mobile terminal control, wherein the mobile terminal is a tablet computer for example, may perform the following calibrating process for the ultrasonic open channel flowmeter to be tested:
firstly, a calibrating device is installed on the waterless water gaging weir trough 200, the ultrasonic open channel flowmeter to be detected is installed, a power supply terminal 303 of the ultrasonic open channel flowmeter to be detected is connected, a probe 302 of the ultrasonic open channel flowmeter to be detected is aligned with the reflection flat plate 9, and then the installation base 6 is adjusted until the reflection flat plate 9 reaches the level.
1. Opening the flat plate changing brain, and entering a verification interface to perform model selection of the ultrasonic open channel flow meter;
2. carrying out appearance detection on the detected water gaging weir notch 200 through an auxiliary tool module, and adding detection information into the mobile terminal;
3. the mobile terminal compares the input detection information with the model selection standard information to judge whether the appearance of the weir trough 200 is qualified, if so, the next step is executed, and if not, the step is ended and the original record is output;
4. the driving motor 5 is controlled by operating the panel computer control interface, so that the reflecting panel 9 is lowered to the zero point of the lowest point, and simultaneously, the instrument 301 of the ultrasonic open channel flowmeter to be detected is subjected to zero resetting operation;
5. setting calibration parameters, for example, as shown in fig. 4, the calibration parameters can be divided into 5 flow rate measurement points according to the water level range of the ultrasonic open channel flowmeter to be tested, each flow rate measurement point is used as a calibration point, and then the moving step length of the driving motor 5 is set;
6. the tablet personal computer sends a verification instruction, the verification device receives the verification instruction, the driving motor 5 is started, and the transmission mechanism drives the screw rod10, so as to drive the reflecting plate 9 to move up and down, and the reflecting plate 9 is moved to a first detection point; at the moment, the tablet personal computer can display the standard liquid level value hSign board(moving distance of the reflecting plate 9) and calculates a standard flow rate QSign boardMeanwhile, a window pops up to prompt a calibrating personnel to input the liquid level value h of the instrument 301 of the ultrasonic open channel flowmeter to be detectedDisplay deviceAnd flow rate value QDisplay device. After the user inputs the verification result, the tablet computer can obtain the verification result according to the following formula.
Δh＝hDisplay device-hSign board 
This process, if the user does not input the level value h of the meter 301 of the ultrasonic open channel flowmeter being testedDisplay deviceAnd flow rate value QSign boardThe input interface of the tablet computer can be in a waiting state all the time.
7. Repeating the step 6 until obtaining the first detection result of the second to fifth detection points.
8. Sending out a second verification designation through the tablet personal computer, after the verification device obtains an instruction, lifting and moving the reflection plate 9 to a zero point, and repeating the step 6 to respectively obtain second verification results of the first point to the fifth point; by analogy, after three verification results of the five verification points are obtained, the verification operation is not required to be continued;
9. finally, a verification ending instruction can be sent out through the tablet personal computer, and after the verification device receives the instruction, the reflection panel 9 returns to a zero point; and at the moment, the tablet personal computer judges whether the ultrasonic open channel flowmeter to be detected is qualified or not according to the point detection result obtained by verification, and outputs an original record.
According to the technical scheme, the lifting mechanism is arranged on the mounting base 6, the reflection flat plate 9 is mounted on the lifting mechanism, the main controller is used for controlling the lifting mechanism to drive the reflection flat plate 9 to move up and down, different liquid level heights can be simulated, different verification liquid level heights of the detected ultrasonic open channel flowmeter can be provided, and the detected ultrasonic open channel flowmeter can realize full-range flow measurement by identifying the position of the reflection flat plate 9 under the anhydrous condition of the open channel. And then the measured flow value of the ultrasonic open channel flowmeter to be detected is compared with the standard flow value obtained by the operation of the main controller, so that the verification of the ultrasonic open channel flowmeter to be detected can be completed. The full-range calibration of the ultrasonic open channel flowmeter is simply and quickly completed.
While the present disclosure has been described in detail with reference to the drawings, it is to be understood that the same is by way of illustration and example only and is not to be taken by way of limitation.
Claims (10)
1. The utility model provides a novel supersound open channel flowmeter calibrating installation which characterized in that includes: the device comprises a mounting seat, a lifting mechanism, a reflecting flat plate and a main controller;
the reflection flat plate is horizontally arranged on the lifting mechanism and is used for detecting and identifying a probe of the ultrasonic open channel flowmeter to be detected;
the lifting mechanism is arranged on the mounting seat and is used for driving the reflecting flat plate to move up and down;
the main controller is electrically connected with the lifting mechanism.
2. The novel ultrasonic open channel flow meter calibrating device according to claim 1, wherein the lifting mechanism comprises a lifter and a driver for driving the lifter;
the lifter is mounted on the mounting seat.
3. The novel ultrasonic open channel flowmeter calibrating device as claimed in claim 2, wherein the lifter comprises a bracket, a guide rail, a slide block and a screw rod;
the bracket is vertically arranged on the mounting seat;
the guide rail is arranged on the bracket along the length direction of the bracket;
the screw rod is pivoted on the bracket along the length direction of the bracket;
the sliding block is slidably arranged on the guide rail and is in threaded fit with the screw rod;
the driver is specifically a driving motor electrically connected with the main controller;
the driving motor is connected with the screw rod and is used for driving the screw rod to rotate.
4. The novel ultrasonic open channel flow meter calibrating device according to claim 3, characterized by further comprising a transmission mechanism;
the driving motor is connected with the screw rod through the transmission mechanism.
5. The novel ultrasonic open channel flow meter calibrating device according to claim 4, wherein the transmission mechanism comprises a first gear, a second gear and a belt;
the driving motor is arranged on the mounting seat, and the first gear is fixedly sleeved on the output shaft;
the second gear sleeve is fixed on the screw rod and is in transmission fit with the first gear through the belt.
6. The novel ultrasonic open channel flow meter calibrating device according to claim 1, characterized by further comprising a level gauge;
the gradienter is arranged on the reflecting plate and is electrically connected with the main controller.
7. The novel ultrasonic open channel flow meter calibrating device according to claim 1, further comprising a plurality of horizontal regulators;
the level adjuster is mounted on the mounting base.
8. The novel ultrasonic open channel flowmeter calibrating device as claimed in claim 7, wherein the horizontal adjuster is a horizontal adjusting screw;
the horizontal adjusting screws are movably arranged on the mounting seat in a penetrating mode and are distributed along the circumference of the central axis of the mounting seat.
9. The novel ultrasonic open channel flow meter calibrating device according to claim 3, wherein a bayonet used for mounting a probe of the ultrasonic open channel flow meter to be tested is arranged at the top end of the bracket.
10. The novel ultrasonic open channel flow meter calibrating device according to claim 1, characterized by further comprising a mobile terminal;
the mobile terminal is wirelessly connected with the master controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201921858552.0U CN210664693U (en) | 2019-10-31 | 2019-10-31 | Novel supersound open channel flowmeter calibrating installation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921858552.0U CN210664693U (en) | 2019-10-31 | 2019-10-31 | Novel supersound open channel flowmeter calibrating installation |
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| CN210664693U true CN210664693U (en) | 2020-06-02 |
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