CN113075425A - Intelligent verification system and method for meteorological wind speed sensor - Google Patents
Intelligent verification system and method for meteorological wind speed sensor Download PDFInfo
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- CN113075425A CN113075425A CN202110324285.4A CN202110324285A CN113075425A CN 113075425 A CN113075425 A CN 113075425A CN 202110324285 A CN202110324285 A CN 202110324285A CN 113075425 A CN113075425 A CN 113075425A
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- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P21/00—Testing or calibrating of apparatus or devices covered by the preceding groups
- G01P21/02—Testing or calibrating of apparatus or devices covered by the preceding groups of speedometers
- G01P21/025—Testing or calibrating of apparatus or devices covered by the preceding groups of speedometers for measuring speed of fluids; for measuring speed of bodies relative to fluids
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- G—PHYSICS
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Abstract
The invention discloses an intelligent verification system and a verification method for a meteorological wind speed sensor, which comprise a measuring dial, wherein the bottom of the measuring dial is connected with a lifting turntable for driving the measuring dial to lift, and the central position of the measuring dial is provided with a mounting hole; the switching module is connected with the wind speed sensor and detachably connected in the mounting hole; the mechanical arm is provided with a clamp; the annular conveying device is provided with a plurality of station seats which do annular motion, and the switching module is detachably inserted in the station seats; the upper computer is provided with a control system and is respectively in control connection with the lifting rotary table, the switching module, the mechanical arm and the annular conveying device. When the wind speed sensor detecting device is used, a worker only needs to connect the wind speed sensor to be detected with the switching module before detection, then the switching module is installed on the annular conveying device, after detection is started, the control system in the upper computer automatically controls the switching module, personnel are not needed to participate in the whole process, and the working efficiency is greatly improved.
Description
Technical Field
The invention belongs to the technical field of meteorological metrological verification, and particularly relates to an intelligent verification system and a verification method for a meteorological wind speed sensor.
Background
The principle of meteorological wind speed verification is that a wind speed standard device and a meteorological wind speed sensor are simultaneously arranged in a test section of a wind tunnel, airflow is controlled in a mode of driving a wind tunnel motor, so that the quality of a wind speed flow field in the test section is uniform and stable, error values of the standard device and the sensor under different wind speeds are compared, and whether the sensor can be used continuously or not is judged.
At the present stage, the meteorological metering service has realized the conversion from manual full participation to semi-manual semi-automatic, but the verification system which is only limited to automatic acquisition and data automatic processing cannot meet the requirement of the change of the current meteorological metering service. In fact, in order to ensure the stability and uniformity of the wind speed flow field at the test section, the existing verification method can only complete the verification of one wind speed sensor in one verification process, meanwhile, verification personnel are required to continuously monitor on site in the verification process, the sensor to be detected needs to be manually replaced after each verification is finished, and the efficiency is greatly limited. Therefore, how to design and realize an intelligent verification system of the wind speed sensor by combining an artificial intelligence technology and the existing 70m/s loop wind tunnel, thereby further improving the automation level of wind speed verification becomes a problem to be solved urgently.
Disclosure of Invention
Aiming at the problems of high participation degree of personnel in the traditional wind speed verification working mode, greatly limited working efficiency and the like, the intelligent verification system and the verification method for the meteorological wind speed sensor are provided.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention provides an intelligent verification system for a meteorological wind speed sensor, which comprises:
the bottom of the measuring dial is connected with a lifting turntable for driving the measuring dial to lift;
the switching module is used for being connected with the wind speed sensor; the central position of the measuring dial is provided with a mounting hole for mounting the switching module;
the mechanical arm is provided with a clamp for clamping the switching module;
the annular conveying device is provided with a plurality of station seats which do annular motion, and the station seats are used for installing the switching modules;
the upper computer is provided with a control system and is respectively in control connection with the lifting rotary table, the switching module, the mechanical arm and the annular conveying device.
Preferably, the annular conveying device comprises a workbench, the top of the workbench is connected with an annular track, a chain matched with the annular track is arranged on the inner side of the annular track, the chain is connected with a plurality of chain wheels, the chain wheels enable the chain to be tensioned in an annular shape, one of the chain wheels is connected with a driving motor, and the upper computer is electrically connected with the driving motor and controls the driving motor; the outer chain plate of the chain is connected with a plurality of supporting plates, the bottoms of the supporting plates are connected with the annular track in a sliding manner, and the supporting plates are driven by the chain to do annular motion along the annular track; the top of the supporting plate is connected with the station seat.
Preferably, an annular slide way is arranged on the side wall of the annular track, a pulley is rotatably connected to the bottom of the supporting plate, and the pulley is clamped in the annular slide way and slides along the annular slide way.
Preferably, one side of the supporting plate is further connected with a positioning plate, and the positioning plate is provided with a positioning notch.
Preferably, the workbench is also provided with a positioning mechanism for limiting the positioning plate, the positioning mechanism comprises a rotating shaft, and two ends of the rotating shaft are rotatably connected to the side wall of the workbench; the rotating shaft is connected with a positioning pin and a connecting rod, the workbench is connected with a cylinder, a piston rod of the cylinder is hinged with the connecting rod, and the upper computer is connected with the cylinder and controls the cylinder; the positioning pin is matched with the positioning notch, and rotates along with the rotation of the rotating shaft so as to move in or out of the positioning notch.
Preferably, the adapter module comprises a housing, the housing comprises an upper housing and a lower housing, the upper housing and the lower housing are connected to form a stepped shaft-shaped structure, and the inner parts of the upper housing and the lower housing are provided with through cavities; a clamping part is arranged between the upper shell and the lower shell; a first annular groove is formed in the outer wall of the upper shell along the circumferential direction; a second annular groove is formed in the outer wall of the lower shell along the circumferential direction; the lower housing portion below the second annular groove is conically disposed.
Preferably, a wiring terminal I and a wiring terminal II are arranged in the switching module; an aviation plug electrically connected with an upper computer is arranged in the mounting hole, and the wiring terminal II is connected with the aviation plug; binding post I and wind speed sensor electric connection.
The invention also provides an intelligent verification method of the meteorological wind speed sensor, which adopts the intelligent verification system of the meteorological wind speed sensor and comprises the following steps:
s1, before the calibration is started, the wind speed sensor is connected with the switching module, and then the switching module is placed on a station seat of the annular conveying device;
s2, the upper computer controls the annular conveying device to convey one of the station seats to the position of the grabbing point of the mechanical arm; the upper computer controls the action of the lifting turntable to enable the measuring dial to descend to a specified height; the upper computer controls the mechanical arm to start, the mechanical arm clamps the switching module on the station seat, the switching module connected with the wind speed sensor is placed in the mounting hole in the center of the measuring dial, and the communication connection between the switching module and the upper computer is completed;
s3, the upper computer controls the lifting turntable to move, so that the measuring dial rises to the height consistent with the bottom of the loop wind tunnel test section, and then the upper computer starts to test the wind speed sensor;
s4, after the verification is finished, the upper computer controls the lifting turntable to act, the measuring dial descends to a specified height, and the mechanical arm clamps the switching module and puts the switching module back to the original station seat;
and S5, the upper computer controls the annular conveying device to start, sequentially conveys the rest station seats to the grabbing point position of the mechanical arm, and repeats the steps until all the wind speed sensors finish verification.
Preferably, after the ring-shaped conveying device conveys one of the station seats to the mechanical arm grabbing position in the step S2, the method further includes limiting the station seat, and the specific method includes: after the station seat reaches the mechanical arm grabbing point, the upper computer controls the cylinder to act, the cylinder pulls the connecting rod to rotate, the rotation of the rotating shaft is further realized, the rotating shaft rotates to drive the positioning pin to rotate, the positioning pin is rotationally clamped to enter the positioning groove opening, the positioning plate is limited, and therefore the station seat is limited.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through arranging the switching module, the mechanical arm, the annular conveying device and the measuring dial with the lifting rotary table, a worker only needs to connect the wind speed sensor to be detected with the switching module before verification, then the switching module is installed on the station seat of the annular conveying device, after the verification is started, the control system in the upper computer automatically controls, and the whole process (such as lifting and descending of the measuring dial, action of the mechanical arm and conveying of the annular conveying device) does not need personnel to participate, so that the working efficiency is greatly improved.
2. The switching module comprises a shell, wherein a clamping part is arranged on the outer wall of the shell and is used for clamping by a mechanical arm, so that the mechanical arm is prevented from directly clamping the wind speed sensor to cause instrument damage, and a certain protection effect is achieved; the lower end of the shell can be fixedly connected to a station seat of the annular conveying device or a measuring dial, so that the aim of convenient installation is fulfilled; a wiring terminal I and a wiring terminal II are arranged in the shell, the wiring terminal I positioned at the upper part is connected with a space plug of the wind speed sensor, and wind speed data of the wind speed sensor can be read; and a wiring terminal II positioned at the lower part can be connected with an aviation plug arranged at the central position of the measuring dial, and can send a sensor wind speed value to an upper computer.
3. According to the annular conveying device, the annular rail is arranged, the supporting plate is connected above the annular rail in a sliding mode, the station seat is connected above the supporting plate and connected to the outer chain plate of the chain, the station seat can move in an annular mode along the annular rail through rotation of the chain, the annular slide ways are arranged on two sides of the annular rail, the bottom of the supporting plate is connected with the pulleys matched with the annular slide ways, the station seat moves more stably and smoothly in a rolling friction mode, and feeding and discharging of the wind speed sensor are facilitated; in addition, annular conveyer still is provided with the alignment mechanism, backup pad one side is connected with the locating plate with alignment mechanism looks adaptation, has seted up the location notch on the locating plate, after the station seat moved the appointed point of grabbing of arm, the action of host computer control cylinder, the cylinder pulling connecting rod rotates, and then realizes the rotation of pivot, and the pivot is rotatory to be driven the locating pin and to rotate, makes the rotatory card of locating pin establish and enters into the location notch, accomplishes spacing to the locating plate to accomplish spacing to the station seat.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a perspective view of the structure of the present invention.
Fig. 2 is an enlarged schematic view of the structure of the region D in fig. 1.
Fig. 3 is a top view of the present invention.
Fig. 4 is a front view of the present invention.
FIG. 5 is a schematic view of the present invention with the base removed.
Fig. 6 is a perspective view of the patching module.
Fig. 7 is a front view of the patching module.
Fig. 8 is a partially enlarged schematic view of the sprocket (chain omitted).
Description of reference numerals:
1 measuring a scale; 2, lifting the rotary table; 3, a mechanical arm; 4, a workbench; 5, a circular track; 51 an annular chute; 6, a station seat; 61 an upper shell; 611 a first annular groove; 62 a lower housing; 621 a second annular groove; 63 a clamping part; 64 a connecting terminal I; 65 a connecting terminal II; 7, a wind speed sensor; 8, a switching module; 9, clamping; 10 a support plate; 11, positioning a plate; 12 a positioning notch; 13 positioning pins; 14 a rotating shaft; 15 connecting rods; 16 cylinders; 17 sprocket wheel.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
Example one
As shown in fig. 1 to 8, the present embodiment provides an intelligent verification system for a meteorological wind speed sensor 7, which includes:
the device comprises a measuring dial 1, wherein the bottom of the measuring dial 1 is connected with a lifting rotary table 2 for driving the measuring dial 1 to lift, a servo motor is arranged in the lifting rotary table 2, and a conventional lifting mechanism, such as a gear rack mechanism, a lead screw nut mechanism and the like, can be adopted to lift the measuring dial, and is a common structure in the prior art and is not described again;
the switching module 8 is used for being connected with the wind speed sensor 7; a mounting hole (not separately shown in the figure) for mounting the adapter module 8 is formed in the center of the measuring dial 1; a wind field with specified wind speed can be generated in the loop wind tunnel test section, and the measuring dial 1 is arranged at a circular area at the bottom of the loop wind tunnel test section; the loop wind tunnel and its internal standard devices are common in the prior art and will not be described.
The mechanical arm 3 is provided with a clamp 9 for clamping the switching module 8;
the annular conveying device is provided with a plurality of station seats 6 which do annular motion, and the station seats 6 are used for being installed in the switching modules 8;
the upper computer is provided with a control system and verification software and is respectively in control connection with the lifting rotary table 2, the switching module 8, the mechanical arm 3 and the annular conveying device.
The following is a detailed description of the components of the system:
the annular conveying device comprises a workbench 4, a base is installed at the bottom of the workbench 4, an annular track 5 is connected to the top of the workbench 4, a chain matched with the annular track 5 is arranged on the inner side of the annular track 5 and connected with a plurality of chain wheels 17, the number of the chain wheels 17 can be 4, the chain wheels 17 enable the chain to be tensioned to be in an annular shape, one chain wheel 17 is connected with a driving motor, the chain can rotate under the driving of the driving motor, and an upper computer is electrically connected with the driving motor and controls the driving motor for convenience of control; the outer chain plate of the chain is connected with a plurality of supporting plates 10, the bottoms of the supporting plates 10 are connected with the annular track 5 in a sliding manner, and the supporting plates 10 are driven by the chain to do annular motion along the annular track 5; the top of the supporting plate 10 is connected with the station seats 6, the number of the station seats 6 is not less than 8, and therefore the verification quantity of each batch of the wind speed sensors 7 is not less than 8. In this embodiment, there may be 10, and Arabic numerals are sequentially attached to the 10. The station base 6 has a recess therein, in which the adapter module 8 can be placed.
The supporting plate or the positioning plate is provided with a position recognition module matched with the clamp of the mechanical arm, and the mechanical arm can be accurately grabbed through the position recognition module.
In order to facilitate movement and improve the stability of the station seat 6, the side wall of the annular rail 5 is provided with an annular slide way 51, the bottom of the supporting plate 10 is rotatably connected with a pulley, the pulley is clamped in the annular slide way 51 and slides along the annular slide way 51, the annular slide way 5 adopts a method that the annular slide way 51 is arranged on two sides, so that the limiting of the left side and the right side of the station seat 6 can be realized through the pulley, the stability in the moving process is improved, meanwhile, the pulley is in rolling friction, the friction force can be reduced, smooth sliding is ensured, and no clamping stagnation exists.
All the wind speed sensors 7 are different in specification and size, but the communication interface of the main wind speed sensor 7 is a standard aviation plug. A switching module 8 of the wind speed sensor 7 is designed, one end of the module is connected with an aviation plug of the wind speed sensor 7, the other end of the module is connected with a signal line of a wind tunnel reading sensor data, the principle of an internal circuit of the switching module is similar to that of a data line interface of a smart phone, and the switching module 8 can be connected without distinguishing the direction of signal line access. Meanwhile, the switching module 8 is also an object to be grabbed when the mechanical arm 3 moves the wind speed sensor 7, the mechanical arm 3 grabs the switching module 8 connected with the wind speed sensor 7, and automatic wiring can be completed by placing the switching module 8 at a signal line interface in the measuring dial 1. Based on the above idea, the switching module 8 includes a housing 61, the housing 61 includes an upper housing 61 and a lower housing 61, the upper housing 61 is connected with the lower housing 61 to form a stepped shaft structure, and the upper housing 61 and the lower housing 61 have through cavities inside; a clamping part 63 is arranged between the upper shell 61 and the lower shell 61, the clamping part 63 can be matched with the mechanical arm 3 for clamping, the wind speed sensor 7 is protected from being in direct contact with the clamp 9, and the instrument is prevented from being damaged; a first annular groove 611 is formed in the outer wall of the upper shell 61 along the circumferential direction; a second annular groove 621 is formed in the outer wall of the lower shell 61 along the circumferential direction; the portion of the lower housing 61 below the second annular groove 621 is tapered, and the tapered structure facilitates the housing 61 to be placed in the mounting hole or the station seat 6.
A wiring terminal I64 and a wiring terminal II 65 are arranged in the switching module 8; an aviation plug electrically connected with an upper computer is arranged in the mounting hole, and after the adapter module 8 is placed in the mounting hole, the wiring terminal II 65 is connected with the aviation plug, so that automatic wiring can be completed, and a sensor wind speed value can be sent to upper computer verification software; binding post I64 and air velocity transducer 7 electric connection, I64 of binding post is pegged graft with air velocity transducer 7's aviation plug looks adaptation.
In addition, a fixing device can be arranged in the mounting hole and used for clamping the shell 61 to improve the stable connection shape, the fixing device can adopt a conventional opposite clamping type arc-shaped clamping jaw structure, the arc-shaped clamping jaw is driven by a clamping jaw opening and closing cylinder to clamp the shell 61, and when the clamping jaw is used, the arc-shaped clamping jaw can be clamped in the second annular groove 621 so as to be convenient for clamping and positioning; of course, the fixing device may also adopt a structure such as a triangular chuck, and the structure is the prior art and is not described again. The fixing device is in communication connection with the upper computer through a signal wire and is controlled by the upper computer control system.
The invention also provides an intelligent verification method of the meteorological wind speed sensor 7, which adopts the intelligent verification system of the meteorological wind speed sensor 7 and comprises the following steps:
s1, before the calibration is started, the wind speed sensor 7 is connected with the switching module 8, the bolts used for fixing inside the wind speed sensor 7 are tightened, and then the switching module 8 is placed on the station seat 6 of the annular conveying device;
s2, the upper computer controls the annular conveying device to convey one of the station seats 6 to the grabbing point position of the mechanical arm 3; the upper computer controls the lifting turntable 2 to move, so that the measuring dial 1 in the hole body is lowered to the designated height; the upper computer controls the mechanical arm 3 to start, the mechanical arm 3 clamps the switching module 8 on the station seat 6, the switching module 8 connected with the wind speed sensor 7 is placed in the mounting hole in the center of the measuring dial 1, and the communication connection between the switching module 8 and the upper computer is completed; it should be noted that, after the mechanical arm 3 clamps the switching module 8 and places the switching module into the mounting hole, the upper computer can control the fixing device to lock the switching module 8, so as to ensure stable connection;
s3, the upper computer controls the lifting turntable 2 to move, so that the measuring dial 1 is lifted to the height consistent with the bottom of the loop wind tunnel test section, and then the upper computer starts to test the wind speed sensor 7; the verification software in the upper computer automatically controls the wind tunnel of the loop to complete the wind speed verification of each point according to the requirements of relevant metering regulations, can automatically process verification data and automatically judge the stable state, and can automatically generate a verification certificate after verification is finished;
s4, after the verification is finished, the upper computer controls the lifting turntable 2 to act, the measuring dial 1 descends to a specified height, and the mechanical arm 3 clamps the switching module 8 and puts the switching module back to the original station seat 6;
and S5, the upper computer controls the annular conveying device to start, sequentially conveys the rest station seats 6 to the grabbing point position of the mechanical arm 3, and repeats the steps until all the wind speed sensors 7 finish verification.
It needs to be explained that the open type straight wind tunnel test section has strong operability, provides a larger space for automatic transformation, and the mechanical arm is easy to extend into the test section to grab and install the sensor; however, on the premise of not changing the flow field quality of the test section, the test section of the closed loop wind tunnel is only provided with a movable mechanism provided with a sliding door, and the mechanical arm cannot directly extend into the test section to clamp the sensor in a narrow space. Therefore, the realization method for realizing the automatic verification of the wind speed of the closed loop wind tunnel by using the mechanical arm is different from that of the open straight wind tunnel, so that the loop wind tunnel is transformed into a bottleneck difficult problem, and the realization of automatic clamping by simply introducing the mechanical arm cannot be finished.
Supplementary explanation:
the system design idea is as follows: the 70m/s loop wind tunnel test section is divided into a first test section (800mm x 800mm) and a second test section (1300mm x 1300mm), a 0.6m2 mechanical arm 3 activity area and a 2m2 annular transmission device area are respectively arranged below the first test section, the installation position of the mechanical arm 3 is planned in the mechanical arm 3 work area, the three-dimensional coordinates of each point position when the mechanical arm 3 acts are established according to the position of field equipment, and Solidworks simulation software is used for modeling in the design process, so that the problems of intelligent identification, starting position identification, ending position positioning, optimal motion path planning of the mechanical arm 3 and the like of the wind speed sensor 7 are mainly solved; the feeding and the discharging of the sensors are realized by adopting a mode of rolling and transporting the wind speed sensors 7 by the annular conveying belt, and the detection quantity of each batch of the wind speed sensors 7 is not less than 8.
And (3) verification software development: the software design flow of the 70m/s loop wind tunnel intelligent verification system realizes the manual verification function by defining a data interaction interface, developing a sensor state monitoring function, developing the functions of detecting the set point, setting the number of the sensors to be detected and the like. The development process mainly comprises the following steps: firstly, defining a data interface of a design system, enabling the system to receive action instructions issued by a metering service platform, and feeding back verification data to a related software platform, so as to realize seamless connection of the intelligent temperature verification system and the metering service platform; the upper computer software development comprises a sensor state monitoring module and a testing function module, and state judgment of the sensor on the endless conveyor belt, such as detection, inspected or verification, is realized; the test function module refers to the functions that under the test state, a verification worker can set verification points, the number of sensors to be detected and the like in the test process independently; and finally, developing a manual verification function of verification software, namely, manually completing verification work by a verification worker in a state that the mechanical arm 3 is separated from the mechanical arm 3 or the mechanical arm 3 fails in an automatic verification process.
And developing system control software according to relevant verification rules and a communication protocol of the existing wind speed verification standard device and the fan equipment, and controlling the whole system to finish verification tasks. And the related verification data is butted with the unified database and is backed up locally, and a verification certificate is automatically generated by calling a related data table. If the network is abnormal, the software can call the local database to automatically generate a verification certificate. The control software has a mode for a verification person to customize a test flow independently, and mainly comprises the functions of customizing the numerical value and sequence of the verification points, customizing the quantity of the sensors to be detected and the like in the test mode.
In fact, the wind tunnel control program and the program controlled by the mechanical arm 3 operate independently when executing various functions and actions, a data interface is designed for the two types of independent interfaces in the traditional software development mode, and once a software system fails, a large number of source programs are combined to find error codes, so that the software maintenance cost is increased. The system integration method of the project adopts an interactive communication method and is combined with a traditional data interface. The mechanical arm 3 part of software instructions comprise functional modules such as moving, grabbing, waiting, scram and conveyor belt moving, the wind speed verification part of software instructions comprises functional modules such as a verification point setting, fan rotating speed control, stable state judgment, qualification judgment and certificate generation, in order to ensure that the two functional modules can operate in a cross mode and can be positioned and removed quickly when a fault occurs, interaction commands which can be recognized by the two functional modules can be generated after the design and execution of each functional module are finished, and the subsequent modules start to act after receiving the interaction command of the previous module.
Example two
With continuing reference to fig. 1-8, on the basis of the first embodiment, the present embodiment provides an intelligent verification system for a meteorological wind speed sensor 7, which further includes the following technical features: one side of the supporting plate 10 is further connected with a positioning plate 11, and the positioning plate 11 is provided with a positioning notch 12.
The workbench 4 is also provided with a positioning mechanism for limiting the positioning plate 11, the positioning mechanism comprises a rotating shaft 14, and two ends of the rotating shaft 14 are rotatably connected to the side wall of the workbench 4; the rotating shaft 14 is connected with a positioning pin 13, the rotating shaft 14 is also connected with a connecting rod 15, the workbench 4 is connected with a cylinder 16, a piston rod of the cylinder 16 is hinged with the connecting rod 15, and an upper computer is connected with the cylinder 16 and controls the cylinder; the positioning pin 13 is fitted into the positioning notch 12, and the positioning pin 13 rotates with the rotation of the rotating shaft 14 to move in and out of the positioning notch 12.
The invention also provides an intelligent verification method for the meteorological wind speed sensor 7, and the intelligent verification system for the meteorological wind speed sensor 7 in the embodiment comprises the following steps:
s1, before the calibration is started, the wind speed sensor 7 is connected with the switching module 8, and then the switching module 8 is placed on the station seat 6 of the annular conveying device;
s2, the upper computer controls the annular conveying device to convey one of the station seats 6 to the grabbing point position of the mechanical arm 3; the upper computer controls the lifting turntable 2 to move, so that the measuring dial 1 is lowered to the designated height; the upper computer controls the mechanical arm 3 to start, the mechanical arm 3 clamps the switching module 8 on the station seat 6, the switching module 8 connected with the wind speed sensor 7 is placed in the mounting hole in the center of the measuring dial 1, and the communication connection between the switching module 8 and the upper computer is completed;
it should be noted that, after the mechanical arm 3 clamps the switching module 8 and places the switching module into the mounting hole, the upper computer can control the fixing device to lock the switching module 8, so as to ensure stable connection;
it should also be noted that: after the annular conveying device conveys one of the station seats 6 to the grabbing point position of the mechanical arm 3, the method further comprises the step of limiting the station seat 6, and the specific method comprises the following steps: after the station seat reaches the grabbing point of the mechanical arm 3, the upper computer controls the action of the air cylinder 16, the air cylinder 16 pulls the connecting rod 15 to rotate, the rotating shaft 14 is further rotated, the rotating shaft 14 rotates to drive the positioning pin 13 to rotate, the positioning pin 13 is rotated and clamped to enter the positioning notch 12, the positioning plate 11 is limited, and therefore the station seat 6 is limited.
S3, the upper computer controls the lifting turntable 2 to move, so that the measuring dial 1 is lifted to the height consistent with the bottom of the loop wind tunnel test section, and then the upper computer starts to test the wind speed sensor 7; the verification software in the upper computer automatically controls the wind tunnel of the loop to complete the wind speed verification of each point according to the requirements of relevant metering regulations, can automatically process verification data and automatically judge the stable state, and can automatically generate a verification certificate after verification is finished;
s4, after the verification is finished, the upper computer controls the lifting turntable 2 to act, the measuring dial 1 descends to a specified height, and the mechanical arm 3 clamps the switching module 8 and puts the switching module back to the original station seat 6;
and S5, the upper computer controls the annular conveying device to start, sequentially conveys the rest station seats 6 to the grabbing point position of the mechanical arm 3, and repeats the steps until all the wind speed sensors 7 finish verification.
As can be seen from the above examples:
according to the invention, through arranging the switching module 8, the mechanical arm 3, the annular conveying device and the measuring dial 1 with the lifting rotary table 2, a worker only needs to connect the wind speed sensor 7 to be detected with the switching module 8 before verification, then the switching module 8 is installed on the station seat 6 of the annular conveying device, after the verification is started, a control system in an upper computer automatically controls the process (such as ascending and descending of the measuring dial 1, action of the mechanical arm 3, control of standard wind speed in a loop wind tunnel, processing of verification data and automatic generation of a verification certificate) without personnel participation in the whole process, and the working efficiency is greatly improved.
The switching module 8 comprises a shell 61, a clamping part 63 is arranged on the outer wall of the shell 61 and is used for clamping the mechanical arm 3, so that the mechanical arm 3 is prevented from directly clamping the wind speed sensor 7 to cause instrument damage, and a certain protection effect is achieved; the lower end of the shell 61 can be fixedly connected to a station seat 6 of the annular conveying device or a measuring dial 1, so that the aim of convenient installation is fulfilled; a wiring terminal I64 and a wiring terminal II 65 are arranged in the shell 61, the wiring terminal I64 positioned at the upper part is connected with a space plug of the wind speed sensor 7, and wind speed data of the wind speed sensor 7 can be read; the wiring terminal II 65 positioned at the lower part can be connected with an aviation plug arranged at the central position of the measuring dial 1 and can send a sensor wind speed value to an upper computer.
According to the annular conveying device, the annular rail 5 is arranged, the supporting plate 10 is connected above the annular rail 5 in a sliding mode, the station seat 6 is connected above the supporting plate 10, the supporting plate 10 is connected to the outer chain plate of the chain, the station seat 6 can move in an annular mode along the annular rail 5 through rotation of the chain, the annular slide rails 51 are arranged on two sides of the annular rail 5, the bottom of the supporting plate 10 is connected with the pulleys matched with the annular slide rails 51, the station seat 6 moves more stably and smoothly in a rolling friction mode, and feeding and discharging of the wind speed sensor 7 are achieved conveniently; in addition, the annular conveying device is further provided with a positioning mechanism, one side of the supporting plate 10 is connected with a positioning plate 11 matched with the positioning mechanism, a positioning notch 12 is formed in the positioning plate 11, after the station seat moves to a designated grabbing point of the mechanical arm 3, the upper computer controls the action of the air cylinder 16, the air cylinder 16 pulls the connecting rod 15 to rotate, rotation of the rotating shaft 14 is further achieved, the rotating shaft 14 rotates to drive the positioning pin 13 to rotate, the positioning pin 13 is enabled to be rotatably clamped and arranged to enter the positioning notch 12, limiting of the positioning plate 11 is achieved, and therefore limiting of the station seat 6 is achieved.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. The utility model provides a meteorological wind speed sensor intelligent verification system which characterized in that includes:
the bottom of the measuring dial is connected with a lifting turntable for driving the measuring dial to lift;
the switching module is used for being connected with the wind speed sensor; the central position of the measuring dial is provided with a mounting hole for mounting the switching module;
the mechanical arm is provided with a clamp for clamping the switching module;
the annular conveying device is provided with a plurality of station seats which do annular motion, and the station seats are used for installing the switching modules;
the upper computer is provided with a control system and is respectively in control connection with the lifting rotary table, the switching module, the mechanical arm and the annular conveying device.
2. The meteorological wind speed sensor intelligent verification system according to claim 1, wherein the annular conveying device comprises a workbench, an annular rail is connected to the top of the workbench, a chain matched with the annular rail is arranged on the inner side of the annular rail, the chain is connected with a plurality of chain wheels, the chain wheels enable the chain to be tensioned to be in an annular shape, one of the chain wheels is connected with a driving motor, and the upper computer is electrically connected with the driving motor and is used for controlling the driving motor; the outer chain plate of the chain is connected with a plurality of supporting plates, the bottoms of the supporting plates are connected with the annular track in a sliding manner, and the supporting plates are driven by the chain to do annular motion along the annular track; the top of the supporting plate is connected with the station seat.
3. The system according to claim 2, wherein an annular slide is provided on a side wall of the annular rail, a pulley is rotatably connected to a bottom of the support plate, and the pulley is clamped in the annular slide and slides along the annular slide.
4. The meteorological wind speed sensor intelligent calibration system according to claim 2, wherein a positioning plate is further connected to one side of the support plate, and the positioning plate is provided with a positioning notch.
5. The system for intelligently calibrating a meteorological wind speed sensor according to claim 4, wherein a positioning mechanism for limiting the positioning plate is further arranged on the workbench, the positioning mechanism comprises a rotating shaft, and two ends of the rotating shaft are rotatably connected to the side wall of the workbench; the rotating shaft is connected with a positioning pin and a connecting rod, the workbench is connected with a cylinder, a piston rod of the cylinder is hinged with the connecting rod, and the upper computer is connected with the cylinder and controls the cylinder; the positioning pin is matched with the positioning notch, and rotates along with the rotation of the rotating shaft so as to move in or out of the positioning notch.
6. The system for intelligently calibrating a meteorological wind speed sensor according to claim 1, wherein the adaptor module comprises a housing, the housing comprises an upper housing and a lower housing, the upper housing and the lower housing are connected to form a stepped shaft-shaped structure, and a through cavity is formed inside the upper housing and the lower housing; a clamping part is arranged between the upper shell and the lower shell; a first annular groove is formed in the outer wall of the upper shell along the circumferential direction; and a second annular groove is formed in the outer wall of the lower shell along the circumferential direction.
7. The system for intelligently calibrating the meteorological wind speed sensor according to claim 1, wherein a connection terminal I and a connection terminal II are arranged in the switching module; an aviation plug electrically connected with an upper computer is arranged in the mounting hole, and the wiring terminal II is connected with the aviation plug; binding post I and wind speed sensor electric connection.
8. An intelligent verification method for a meteorological wind speed sensor, which is characterized by adopting the intelligent verification system for the meteorological wind speed sensor as claimed in any one of claims 1 to 7, and comprises the following steps:
s1, before the calibration is started, the wind speed sensor is connected with the switching module, and then the switching module is placed on a station seat of the annular conveying device;
s2, the upper computer controls the annular conveying device to convey one of the station seats to the position of the grabbing point of the mechanical arm; the upper computer controls the action of the lifting turntable to enable the measuring dial to descend to a specified height; the upper computer controls the mechanical arm to start, the mechanical arm clamps the switching module on the station seat, the switching module connected with the wind speed sensor is placed in the mounting hole in the center of the measuring dial, and the communication connection between the switching module and the upper computer is completed;
s3, the upper computer controls the lifting turntable to move, so that the measuring dial rises to the height consistent with the bottom of the loop wind tunnel test section, and then the upper computer starts to test the wind speed sensor;
s4, after the verification is finished, the upper computer controls the lifting turntable to act, the measuring dial descends to a specified height, and the mechanical arm clamps the switching module and puts the switching module back to the original station seat;
and S5, the upper computer controls the annular conveying device to start, sequentially conveys the rest station seats to the grabbing point position of the mechanical arm, and repeats the steps until all the wind speed sensors finish verification.
9. The method for intelligently calibrating a meteorological wind speed sensor according to claim 8, wherein the step S2 further comprises limiting the station after the circular conveyer conveys one of the station bases to the mechanical arm grabbing position, and the method comprises the following specific steps: after the station seat reaches the mechanical arm grabbing point, the upper computer controls the cylinder to act, the cylinder pulls the connecting rod to rotate, the rotation of the rotating shaft is further realized, the rotating shaft rotates to drive the positioning pin to rotate, the positioning pin is rotationally clamped to enter the positioning groove opening, the positioning plate is limited, and therefore the station seat is limited.
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