CN111256907B - Intelligent line inspection checking device of transmitter - Google Patents
Intelligent line inspection checking device of transmitter Download PDFInfo
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- CN111256907B CN111256907B CN202010003858.9A CN202010003858A CN111256907B CN 111256907 B CN111256907 B CN 111256907B CN 202010003858 A CN202010003858 A CN 202010003858A CN 111256907 B CN111256907 B CN 111256907B
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- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
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Abstract
The invention discloses an intelligent transmitter line patrol checking device which comprises a central controller, an intelligent checking system, a quick connection mechanism and a three-dimensional moving mechanism, wherein the central controller, the intelligent checking system and the quick connection mechanism are respectively arranged on the three-dimensional moving mechanism, and the quick connection mechanism can move along the transverse direction, the longitudinal direction and the vertical direction along with the three-dimensional moving mechanism; the output end of the intelligent checking system is connected with the changer to be checked through the quick connection mechanism; and the central controller is respectively connected with the intelligent checking system, the quick connection mechanism and the three-dimensional moving mechanism to control the actions of the mechanisms. The invention has the beneficial effects that: the device constructs a three-dimensional space motion control system, and the verification quick-connection mechanism can move in all directions of the three-dimensional space by controlling the motion of the transverse moving mechanism, the vertical moving mechanism and the walking trolley to complete the connection and verification of the intelligent verification system and the transmitter to be verified.
Description
Technical Field
The invention relates to a checking device, in particular to an intelligent line patrol checking device of a transmitter.
Background
The modern industrial production technology is rapidly developed, and the pressure and differential pressure intelligent transmitter is widely applied. Maintenance and calibration of the transmitter are mostly carried out offline in a periodic manual mode, efficiency is low, disassembly and assembly are troublesome, and the transmitter is difficult to inspect and calibrate anytime and anywhere. With the rapid advance of intelligent manufacturing, the requirements for process measurement and process control become more and more strict, and in the face of a huge amount of on-line transmitter equipment and uneven personnel quality, various uncertainties exist in a manual calibration mode, and the measurement precision of the equipment to be verified in the later period is influenced. Therefore, how to ensure the perfect function of the checked equipment and the accuracy of the measured data directly affects the quality, the yield and the production safety of the product.
Disclosure of Invention
The invention aims to provide an efficient and high-precision intelligent transmitter line patrol checking device aiming at the defects of the prior art.
The technical scheme adopted by the invention is as follows: an intelligent transmitter line patrol checking device comprises a central controller, an intelligent checking system, a quick connection mechanism and a three-dimensional moving mechanism, wherein the central controller, the intelligent checking system and the quick connection mechanism are respectively arranged on the three-dimensional moving mechanism, and the quick connection mechanism can move along the transverse direction, the longitudinal direction and the vertical direction along with the three-dimensional moving mechanism; the output end of the intelligent checking system is connected with the changer to be checked through the quick connection mechanism; and the central controller is respectively connected with the intelligent checking system, the quick connection mechanism and the three-dimensional moving mechanism to control the actions of the mechanisms.
According to the scheme, the three-dimensional moving mechanism comprises a vertical moving mechanism, a transverse moving mechanism and a walking trolley which are respectively and electrically connected with the central controller, and the quick-connection mechanism is arranged on the vertical moving mechanism and can vertically move under the driving of the vertical moving mechanism; the vertical moving mechanism is arranged on the transverse moving mechanism, the transverse moving mechanism is arranged on the walking trolley, and the transverse moving mechanism can drive the vertical moving mechanism and the quick-connection mechanism to transversely move.
According to the scheme, the walking trolley comprises a trolley body and walking wheels arranged at the bottom of the trolley body, wherein the walking wheels are driven by a servo motor A, and the servo motor A is connected with a central controller and controlled by the central controller; and a position sensor connected with the central controller is installed at the bottom of the vehicle body.
According to the scheme, the transverse moving mechanism and the vertical moving mechanism are configured in the same way and respectively comprise a bottom plate, linear guide rails arranged on two sides of the bottom plate and sliding blocks, wherein the two sides of the sliding blocks are matched with the linear guide rails and can slide along the linear guide rails; the sliding block is provided with a mounting hole, the ball screw pair penetrates through the mounting hole, a nut of the ball screw pair is fixedly connected with the mounting hole, a screw of the ball screw pair is parallel to the linear guide rail, one end of the screw is connected with a servo motor, and the servo motor is connected with the central controller; a screw rod of the transverse moving mechanism and the linear guide rail are transversely arranged, and the screw rod is driven by a servo motor B; and a screw rod of the vertical moving mechanism and the linear guide rail are vertically arranged, and the screw rod is driven by a servo motor C.
According to the scheme, the slide blocks of the vertical moving mechanism and the transverse moving mechanism are respectively provided with a position sensor connected with the central controller.
According to the scheme, the quick connection mechanism comprises a pipe body A fixedly connected with the vertical moving mechanism and a manipulator installed at the end part of the pipe body A; an airflow channel is arranged in the tube body A, one end of the airflow channel is communicated with the output end of the intelligent checking system, and the other end of the airflow channel can be communicated with an air inlet of the transmitter through a switching joint; the manipulator is matched with the switching connector and is connected with the servo motor D, the servo motor D drives the manipulator to extend or retract, and when the manipulator extends, the switching connector is communicated with an airflow channel of the quick connection mechanism and an air inlet of the transmitter; when the manipulator retracts, the airflow channel of the quick-connection mechanism is disconnected from the air inlet of the transmitter.
According to the scheme, the manipulator is provided with the position sensor connected with the central controller.
According to the scheme, the intelligent checking system comprises a pressure generating unit, a pressure regulating unit, a pressure standard meter and a checking distributor which are respectively connected with a central controller, wherein the pressure generating unit, the pressure regulating unit and the checking distributor are sequentially communicated through pipelines, and the output end of the checking distributor is connected with a transmitter to be checked; the checking distributor is connected with the pressure standard meter; the pressure generating unit is used for pressurizing the verification air source, and the pressurized verification air source enters the verification distributor through the pressure regulating unit.
According to the above scheme, the pressure generating unit comprises: the pressure generating pump is used for increasing the pressure of the checking air source, the check valve is used for blocking the backflow of the checking air source, the balance tank is used for balancing the output pressure of the pressure generating pump, and the pump pressure controller is used for monitoring the output pressure of the balance tank; the pressure generating pump, the check valve and the balance tank are communicated in sequence; the outlet of the balance tank is communicated with the input end of the pressure regulating unit; the pump pressure controller is respectively connected with the balance tank and the central controller, and the central controller adjusts the output pressure of the balance tank through the pump pressure controller.
According to the scheme, the voltage regulating unit comprises a coarse regulating subunit and a digital cascade constant volume fine regulating subunit; the coarse adjustment unit comprises an air inlet valve for increasing pressure, an air source distributor for pressure shunting and an exhaust valve for reducing pressure, and the air inlet valve, the air source distributor and the exhaust valve are communicated in sequence; the inlet of the air inlet valve is connected with the outlet of the balance tank; the gas source distributor is communicated with the input end of the digital cascade constant-volume fine tuner unit; the digital cascade constant-volume vernier unit comprises a flowmeter for monitoring the flow of an air source, a plurality of pressure storage pipes for storing pressure with fixed volume, a plurality of quick-opening valves for controlling the pressure of the pressure storage pipes to enter and exit and a check valve for checking the pressure to enter and exit; the quick-opening valves and the pressure storage pipes are alternately arranged and are sequentially communicated; the inlet of the flowmeter is communicated with the outlet of the air source distributor, the outlet of the flowmeter is connected with the inlet of the first quick-opening valve, the outlet of the last quick-opening valve is communicated with the inlet of the check valve, and the outlet of the check valve is communicated with the inlet of the check distributor.
The invention has the beneficial effects that: according to the device, a three-dimensional space motion control system is constructed, the verification quick-connection mechanism can move in all directions of the three-dimensional space through motion control of the transverse moving mechanism, the vertical moving mechanism and the walking trolley to complete connection of the intelligent verification system and the verified transmitter, intelligent pipelines and full-automatic line patrol verification of measuring equipment such as the transmitter are achieved, the calibration precision is improved, the labor intensity and the maintenance cost are reduced, and powerful support is provided for unmanned and intelligent manufacturing.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.
Fig. 2 is a schematic connection diagram of the vertical moving mechanism and the quick-connection mechanism in this embodiment.
Fig. 3 is a schematic view of the connection between the traverse mechanism and the traveling carriage in this embodiment.
Fig. 4 is a schematic diagram of the smart calibration system in this embodiment.
Fig. 5 is a schematic diagram of the connection between the quick-connection mechanism and the pressure transmitter through the switching joint in this embodiment.
Fig. 6 is a first schematic view illustrating a connection between the quick connection device and the switching joint in this embodiment.
Fig. 7 is a second schematic view illustrating a connection between the quick connection device and the switching joint in this embodiment.
Fig. 8 is a schematic view illustrating the communication between the air source channel in the sealing connection base seat and the multi-channel switching air core calibration air cavity in this embodiment.
Fig. 9 is a schematic view illustrating the communication between the gas source channel and the process gas cavity in the base body of the sealing connection base according to the present embodiment.
FIG. 10 is a schematic diagram of the control connections between the central controller and other structures of the present invention.
Fig. 11 is a schematic operation diagram of the present embodiment.
Fig. 12 is a top view of fig. 11.
FIG. 13 is a control flow block diagram of the present invention.
Wherein: 1. a control cabinet; 2. an intelligent verification system; 3. a quick-connection mechanism; 3.1, a pipe body A; 3.2, a manipulator; 4. a walking trolley; 5. a vertical moving mechanism; 6. a lateral movement mechanism; 7. a linear guide rail; 8. a slider; 9. a transmitter; 10. a transmitter box; 11. switching a joint; 11.1-air lock; 11.2-sealing the connection base; 11.2.1-tube B; 11.2.2-seat body; 11.3-multiple switching gas core; 11.3.1-check air cavity; 11.3.2-production air cavity; 11.3.3-radial outlet; 11.3.4-small diameter pipe section; 11.3.5-large diameter pipe section; 11.4-end plug; 11.5-sliding guiding self-locking piece; 11.6-guide rod shaft; 11.7-return spring; 11.8-pulley shaft; 11.9-pulley; 11.10-resetting the spring plate; 11.11-spring plate fixing pin; 12. a path guide rail; 13. a digitized landmark.
Detailed Description
For a better understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings.
As shown in fig. 1, the intelligent transmitter line patrol checking device comprises a central controller, an intelligent checking system 2, a quick connection mechanism 3 and a three-dimensional moving mechanism, wherein the central controller, the intelligent checking system 2 and the quick connection mechanism 3 are respectively installed on the three-dimensional moving mechanism, and the quick connection mechanism 3 can move along the transverse direction, the longitudinal direction and the vertical direction along with the three-dimensional moving mechanism; the output end of the intelligent checking system 2 is connected with a to-be-checked converter through a quick connection mechanism 3; the central controller is respectively connected with the intelligent checking system 2, the quick connection mechanism 3 and the three-dimensional moving mechanism to control the actions of the mechanisms. In this embodiment, the central controller and the intelligent calibration system 2 are integrated in the control cabinet 1, and the control cabinet 1 is installed on the three-dimensional moving mechanism.
Preferably, the three-dimensional moving mechanism comprises a vertical moving mechanism 5, a horizontal moving mechanism 6 and a walking trolley 4 which are respectively electrically connected with the central controller, the quick-connection mechanism 3 is configured on the vertical moving mechanism 5 (as shown in fig. 2), and can move vertically under the driving of the vertical moving mechanism 5; the vertical moving mechanism 5 is installed on the transverse moving mechanism 6, the transverse moving mechanism 6 is arranged on the walking trolley 4 (as shown in figure 3), and the transverse moving mechanism 6 can drive the vertical moving mechanism 5 and the quick-connection mechanism 3 to transversely move.
Preferably, the walking trolley 4 comprises a trolley body and walking wheels arranged at the bottom of the trolley body, the walking wheels are driven by a servo motor A, and the servo motor A is connected with a central controller and controlled by the central controller; and a high-precision position sensor connected with a central controller is arranged at the bottom of the trolley body and used for accurately positioning the walking trolley 4, and the positioning precision can reach 0.1 mm.
Preferably, the configuration of the transverse moving mechanism 6 is the same as that of the vertical moving mechanism 5, and each transverse moving mechanism comprises a bottom plate, linear guide rails 7 arranged on two sides of the bottom plate, and sliders 8, two sides of which are matched with the linear guide rails 7 and can slide along the linear guide rails 7; and a mounting hole is formed in the sliding block 8, the ball screw pair penetrates through the mounting hole, a nut of the ball screw pair is fixedly connected with the mounting hole, a screw of the ball screw pair is parallel to the linear guide rail 7, one end of the screw is connected with a servo motor, and the servo motor is connected with the central controller. In the embodiment, the thread pitch of the ball screw is 1mm, the resolution of the servo motor is 10000p/r, and the minimum adjustment precision can reach 0.1mm when the sliding block 8 moves linearly.
In the invention, a screw rod of the transverse moving mechanism 6 and a linear guide rail 7 are transversely arranged, and the screw rod is driven by a servo motor B; the screw rod of the vertical moving mechanism 5 and the linear guide rail 7 are vertically arranged, the screw rod is driven by a servo motor C, and the vertical moving mechanism 5 is integrally fixed on a slide block 8 of the transverse moving mechanism 6 and moves together with the slide block 8 of the transverse moving mechanism 6. The configurations of the horizontal moving mechanism 6 and the vertical moving mechanism 5 are both the prior art, and a part of the structural drawings are not shown, and are not described herein again.
Preferably, a position sensor connected with a central controller is respectively arranged on the slide blocks 8 of the vertical moving mechanism 5 and the transverse moving mechanism 6, and is used for determining the positions of the vertical moving mechanism 5 and the transverse moving mechanism 6. The coordinate position reading of the vertical moving mechanism 5/the horizontal moving mechanism 6 can also be obtained by counting and converting output signals of a servo motor encoder of the vertical moving mechanism/the horizontal moving mechanism, and the comparison operation is carried out on a target value set by a display operator to obtain an operation value; the central controller sends the operation value signals to the motor controllers to control the motors to move.
Preferably, as shown in fig. 4, the intelligent calibration system 2 includes a pressure generating unit, a pressure regulating unit, a pressure standard meter and a calibration distributor, which are respectively connected to the central controller, the pressure generating unit, the pressure regulating unit and the calibration distributor are sequentially communicated through a pipeline, and an output end of the calibration distributor is connected to the transmitter 9 to be calibrated; the checking distributor is connected with the pressure standard meter; the pressure generating unit is used for pressurizing a checking gas source, and the pressurized checking gas source enters the checking distributor through the pressure regulating unit; the pressure standard meter monitors the real-time pressure of a check air source in the check distributor and sends a pressure signal to the central controller; the central controller receives the pressure signal, compares the pressure signal with the set pressure value of the check point, and regulates the pressure of the check gas source until the real-time pressure measured by the pressure standard meter is stabilized within the precision range required by the set pressure value of the check point.
In the present invention, the pressure generating unit includes: the pressure generating pump is used for increasing the pressure of the checking air source, the check valve is used for blocking the backflow of the checking air source, the balance tank is used for balancing the output pressure of the pressure generating pump, and the pump pressure controller is used for monitoring the output pressure of the balance tank; the pressure generating pump, the check valve and the balance tank are communicated in sequence; the outlet of the balance tank is communicated with the input end of the pressure regulating unit; the pump pressure controller is respectively connected with the balance tank and the central controller, and the central controller adjusts the output pressure of the balance tank through the pump pressure controller. In this embodiment, the central controller is provided with a first check point set pressure value a for the pressure generation unit, the pressure generation pump boosts the pressure after the pumping pressure controller receives a first check point set pressure value a instruction sent by the central controller, and the pumping pressure controller feeds back a pumping pressure measurement value signal to the central controller in real time; when the pump pressure measurement value reaches a first check point set pressure value A of the central controller, the central controller sends a pressure maintaining command to the pressure generating unit, so that the pressure of a check air source in the pressure generating unit is maintained within the precision range of the first check point set pressure value A.
In the invention, the voltage regulating unit comprises a coarse regulating subunit and a digital cascade constant volume fine regulating subunit; the coarse adjustment unit comprises an air inlet valve for increasing pressure, an air source distributor for pressure shunting and an exhaust valve for reducing pressure, and the air inlet valve, the air source distributor and the exhaust valve are communicated in sequence; the inlet of the air inlet valve is connected with the outlet of the balance tank; and the air source distributor is communicated with the input end of the digital cascade constant volume fine tuning subunit. In the invention, the digital cascade constant-volume vernier unit comprises a flowmeter for monitoring the flow of an air source, a plurality of pressure storage pipes for storing pressure with fixed volume, a plurality of quick-opening valves for controlling the pressure of the pressure storage pipes to enter and exit and a check valve for checking the pressure to enter and exit; the quick-opening valves and the pressure storage pipes are alternately arranged and are sequentially communicated; the inlet of the flowmeter is communicated with the outlet of the air source distributor, the outlet of the flowmeter is connected with the inlet of the first quick-opening valve, the outlet of the last quick-opening valve is communicated with the inlet of the check valve, and the outlet of the check valve is communicated with the inlet of the check distributor.
In this embodiment, the central controller is provided with a second calibration point set pressure value B for the coarse tuning unit and a third calibration point set pressure value C for the digital cascade constant volume fine tuning subunit, where the third calibration point set pressure value C is also a pressure value of the final calibration air source. The coarse tuning subunit sets the requirement of the pressure value B according to the second check point in the central controller, the pressure in the air source distributor is adjusted by opening and closing the air inlet valve and the air outlet valve, at the moment, the digital cascade constant volume fine tuning subunit is in the full open state of the air path pipeline, the air source distributor is communicated with the check distributor, and the pressure standard meter feeds back the pressure change values of the two distributors to the central controller at any time; and when the pressure standard meter detects that the pressure value in the verification distributor reaches the precision range of the second verification point set pressure value B, the gas circuit of the coarse adjustment sub-unit is closed, and the digital cascade constant volume fine adjustment sub-unit is used for further adjusting the pressure. The digital cascade constant volume fine adjustment subunit performs capacity-dividing fine adjustment on the pressure of the calibration distributor through a constant volume partial pressure adjustment function of an internal quick-opening valve and a constant volume pipe according to the requirement of a third calibration point pressure value C set in a central controller (in the embodiment, the capacity-dividing fine adjustment process comprises the steps that if a gas tank I with the pressure of 2kpa and 1L is connected with a gas tank II with the pressure of 0kpa and another gas tank II with the pressure of 1L is opened, the last pressure of the gas tank I and the gas tank II is 1kpa, the quick-opening valve is closed, the pressure of the gas tank II is discharged to enable the pressure of the gas tank II to be 0, and the quick-opening valve is opened again, the pressure of the gas tank I is changed to be half of the original 0.5kpa, and the rest of the pressure cannot be described), and the pressure calibration work of the calibration point is completed until the pressure value in the calibration distributor is monitored by a pressure standard table and reaches the third calibration point set pressure value C.
Preferably, the quick connection mechanism 3 comprises a pipe body A3.1 fixedly connected with the sliding block 8 of the vertical moving mechanism 5 and a manipulator 3.2 arranged at the end part of the pipe body A3.1; an airflow channel is arranged in the pipe body A3.1, one end of the airflow channel is communicated with a calibration distributor of the intelligent calibration system 2, and the other end of the airflow channel is communicated with an air inlet of the transmitter 9 through a switching joint 11; the manipulator 3.2 is matched with the switching joint 11, the manipulator 3.2 is connected with the servo motor D, the servo motor D drives the manipulator 3.2 to extend or retract, and when the manipulator 3.2 extends, the switching joint 11 is communicated with an airflow channel of the quick connection mechanism 3 and an air inlet of the transmitter 9; when the manipulator 3.2 is retracted, the air flow path of the quick-connect mechanism 3 is disconnected from the air inlet of the transducer 9, as shown in fig. 5.
In the invention, as shown in fig. 6 and 7, the switching joint comprises a sealing connection base 11.2, a multi-path switching gas core 11.3 and an end plug 11.4, the sealing connection base 11.2 comprises a tube B11.2.1 and a seat 11.2.2 penetrating through the tube B11.2.1, the tube B11.2.1 is hollow, the seat 11.2.2 is fixedly connected with the transmitter, and the seat 11.2.2 is provided with a gas source channel communicated with a gas inlet of the transmitter; the multi-channel switching gas core 11.3 is arranged in the pipe body B11.2.1, the multi-channel switching gas core 11.3 is of a reducing pipe section structure and comprises a small-caliber pipe section 11.3.4 and a large-caliber pipe section 11.3.5 which are separated by a separating ring, the outer wall of the small-caliber pipe section 11.3.4 and the inner wall of the pipe body B11.2.1 of the sealing connection base 11.2 form a production gas cavity 11.3.2, and the production gas cavity 11.3.2 is communicated with a production gas circuit; a checking air cavity 11.3.1 (the checking air cavity 11.3.1 is not communicated with the production air cavity 11.3.2) communicated with the checking air circuit is formed in the large-caliber pipe section 11.3.5, and a radial air outlet 11.3.3 is formed in the checking air cavity 11.3.1; the end plug 11.4 is arranged on the outer side of the large-caliber pipe section 11.3.5, the checking air cavity 11.3.1 in the large-caliber pipe section 11.3.5 is connected with a connecting pipe penetrating through the end plug 11.4, and the connecting pipe is connected with the checking air cavity 11.3.1 and an air flow channel of the quick connection mechanism; the manipulator of the quick connection mechanism is connected with the end plug 11.4 through the sliding guide self-locking piece 11.5, a Y-shaped guide groove matched with the pipe B11.2.1 of the sealed connection base 11.2 is arranged on the inner side of the manipulator, and the manipulator is connected with the sealed connection base 11.2 through the guide groove.
The self-locking piece 11.5 of the sliding guide is of a U-shaped opening structure hinged with the manipulator through a guide rod rotating shaft 11.6, one end of the self-locking piece 11.5 of the sliding guide is fixedly connected with an end plug 11.4, a pulley 11.9 is installed at the other end of the self-locking piece 11.5 of the sliding guide through a pulley rotating shaft 11.8, and the pulley 11.9 can walk along the outer wall of the pipe B11.2.1 of the sealing connection base 11.2. The switching joint is also additionally provided with a reset elastic sheet 11.10, one end of the reset elastic sheet 11.10 is connected with the manipulator, and the other end of the reset elastic sheet 11.10 is connected with a sliding guide self-locking piece 11.5; the reset elastic sheet 11.10 is connected with the manipulator, the reset elastic sheet 11.10 is connected with the sliding guide self-locking piece 11.5 through elastic sheet fixing pins 11.11. The pipe B11.2.1 of the sealed connection base 11.2 is of a structure with two open ends, wherein one end is sealed by an air plug 11.1; the side of the small-caliber pipe section 11.3.4 in the pipe B11.2.1 is internally provided with a reset spring 11.7 for multi-switching gas core automatic reset, one end of the reset spring 11.7 is fixed, the other end of the reset spring 11.7 is sleeved on the reset pipe section, and the reset pipe section is connected with the small-caliber pipe section 11.3.4 and is separated from the small-caliber pipe section 11.3.4 through a separating ring. In this embodiment, the reset spring 11.7 pushes the multi-path switching gas core 11.3 to the right, and the production gas path is communicated with the gas source channel of the seat 11.2.2 through the small-caliber pipeline at the left end of the multi-path switching gas core 11.3, and is finally communicated with the gas inlet of the transmitter.
The transmitter is installed on the sealed connection base 11.2, when the transmitter is verified, the manipulator moves forward, the pulley 11.9 of the sliding guide self-locking piece 11.5 moves to the left and the supporting point of the sliding guide self-locking piece 11.5 moves to the left simultaneously, the sliding guide self-locking piece 11.5 rotates to the left around the guide rod rotating shaft 11.6, the end plug 11.4 is driven to press the multi-channel switching air core 11.3 into the sealed connection base 11.2, at the moment, the multi-channel switching air core 11.3 is switched to a verification station, a verification air cavity 11.3.1 in the multi-channel switching air core is communicated with an air inlet of the transmitter through an air source channel of the base body 11.2.2, and as shown in fig. 8, the verification air cavity 11.3.1 is communicated with an air flow channel of the quick-connection mechanism through a connecting pipe of the end plug 11.4. When the transmitter is put into operation, the manipulator is pulled out backwards, the reset elastic sheet 11.10 presses one side of the end part plug 11.4, so that the sealing connection base 11.2 pressed by the pulley 11.9 moves rightwards, the sliding guide self-locking piece 11.5 rotates rightwards around the guide rod rotating shaft 11.6, the end part plug 11.4 is separated from the multi-path switching air core 11.3, the end part of the multi-path switching air core 11.3 is separated from the sealing connection base 11.2 to be switched into a production station, and at the moment, the production air cavity 11.3.2 moves rightwards to be communicated with an air source channel in the base body 11.2.2 and finally communicated with an air inlet of the transmitter, as shown in fig. 9.
In the embodiment, a position sensor connected with a central controller is arranged on the manipulator 3.2, and the position sensor detects the position of the manipulator 3.2 at any time and sends the position information to the central controller; when the manipulator 3.2 is in place, the central controller controls the servo motor to drive the manipulator 3.2 to stretch out, and the intelligent checking system 2 completes automatic connection and checking work of the transmitter 9.
In the invention, the pressure generating unit, the pressure regulating unit and the pressure standard meter are respectively connected with the central controller through the communication module; the central controller is also connected with a display control module and an external command input module. As shown in fig. 12, the position sensors on the traveling trolley 4, the transverse moving mechanism 6, the vertical moving mechanism 5 and the quick-connection mechanism 3, and the external command input module are also respectively connected with the central controller, and are used for receiving the position information and the input command of each mechanism; the central controller is also connected with the servo motors of all the mechanisms and is used for controlling the start and stop of all the servo motors; the central controller also carries out data interaction with the display control module.
As shown in fig. 12 and 12, in the present invention, the traveling trolley 4 is further provided with a path guide rail 12, the path guide rail 12 is correspondingly matched with the position of the transmitter 9 to be verified (the transmitter 9 is installed in the transmitter box 10), and the traveling trolley 4 moves along the path guide rail 12 during the inspection and is matched with a sensor such as a digital landmark 13 to ensure accurate positioning. As shown in fig. 13, after receiving the line patrol checking command, the central controller starts the servo motor of the traveling trolley 4 to drive the traveling trolley 4 to automatically patrol the line along the linear guide rail 7, and positions the traveling trolley 4 according to the position sensor on the traveling trolley 4 until the traveling trolley 4 moves to the transmitter 9 to be checked; the central controller controls servo motors of the transverse moving mechanism 6 and the vertical moving mechanism 5 to operate, so that a manipulator 3.2 of the quick connection mechanism 3 is over against a switching joint 11 communicated with an air inlet of a transmitter 9 to be verified; the main control controls the servo motor D of the manipulator 3.2 to drive, so that the manipulator 3.2 extends out, and the switching joint 11 is communicated with the airflow channel of the quick connection mechanism 3 and the air inlet of the transmitter 9; carrying out leak detection after the gas path is communicated; after the leak detection is finished, the central controller starts the intelligent checking system 2 to intelligently check the transmitter 9 (the specific checking process is that a checking distributor of the intelligent checking system is communicated with an air inlet of the transmitter to be checked, pressure is maintained when the pressure output by the checking distributor reaches a check point pressure value, a communication module receives a current signal output by the transmission to be checked, if the output current signal meets the corresponding relation between standard pressure and standard current and meets the requirement of transmission precision (allowable error), a checking judgment result is output to be qualified, if the precision requirement is exceeded, a judgment result is output to be unqualified, the transmission checking work is finished, if the checking result judges that the unqualified transmission is off-line, the transmission is detachably sent to a laboratory to be recalibrated), feedback control is carried out according to the data detected in the verification process until the verification of the transformer is finished; and finally, the checking device returns to the site.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the present invention is not limited thereto, and although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications can be made to the technical solutions described in the above-mentioned embodiments, or equivalent substitutions of some technical features, but any modifications, equivalents, improvements and the like within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims (7)
1. The intelligent transmitter line patrol checking device is characterized by comprising a central controller, an intelligent checking system, a quick connection mechanism and a three-dimensional moving mechanism, wherein the central controller, the intelligent checking system and the quick connection mechanism are respectively arranged on the three-dimensional moving mechanism, and the quick connection mechanism can move along the transverse direction, the longitudinal direction and the vertical direction along with the three-dimensional moving mechanism; the output end of the intelligent checking system is connected with the changer to be checked through the quick connection mechanism; the central controller is respectively connected with the intelligent checking system, the quick connection mechanism and the three-dimensional moving mechanism to control the actions of all the mechanisms; the intelligent checking system comprises a pressure generating unit, a pressure regulating unit, a pressure standard meter and a checking distributor which are respectively connected with the central controller, wherein the pressure generating unit, the pressure regulating unit and the checking distributor are sequentially communicated through pipelines, and the output end of the checking distributor is connected with a transmitter to be checked; the checking distributor is connected with the pressure standard meter; the pressure generating unit is used for pressurizing a checking gas source, and the pressurized checking gas source enters the checking distributor through the pressure regulating unit; the pressure generation unit includes: the pressure generating pump is used for increasing the pressure of the checking air source, the check valve is used for blocking the backflow of the checking air source, the balance tank is used for balancing the output pressure of the pressure generating pump, and the pump pressure controller is used for monitoring the output pressure of the balance tank; the pressure generating pump, the check valve and the balance pump are communicated in sequence; the outlet of the balance pump is communicated with the input end of the pressure regulating unit; the pump pressure controller is respectively connected with the balance tank and the central controller, and the central controller adjusts the output pressure of the balance tank through the pump pressure controller; the voltage regulating unit comprises a coarse regulating subunit and a digital cascade constant volume fine regulating subunit; the coarse tuning sub-unit comprises an air inlet valve for improving pressure, an air source distributor for pressure shunting and an exhaust valve for reducing pressure, and the air inlet valve, the air source distributor and the exhaust valve are communicated in sequence; the inlet of the air inlet valve is connected with the outlet of the balance tank; the gas source distributor is communicated with the input end of the digital cascade constant-volume fine tuner unit; the digital cascade constant-volume vernier unit comprises a flowmeter for monitoring the flow of an air source, a plurality of pressure storage pipes for storing pressure with fixed volume, a plurality of quick-opening valves for controlling the pressure of the pressure storage pipes to enter and exit and a check valve for checking the pressure to enter and exit; the quick-opening valves and the pressure storage pipes are alternately arranged and are sequentially communicated; the inlet of the flowmeter is communicated with the outlet of the air source distributor, the outlet of the flowmeter is connected with the inlet of the first quick-opening valve, the outlet of the last quick-opening valve is communicated with the inlet of the check valve, and the outlet of the check valve is communicated with the inlet of the check distributor.
2. The intelligent transmitter patrol checking device according to claim 1, wherein the three-dimensional moving mechanism comprises a vertical moving mechanism, a transverse moving mechanism and a walking trolley which are electrically connected with the central controller respectively, the quick-connection mechanism is configured on the vertical moving mechanism and can move vertically under the driving of the vertical moving mechanism; the vertical moving mechanism is arranged on the transverse moving mechanism, the transverse moving mechanism is arranged on the walking trolley, and the transverse moving mechanism can drive the vertical moving mechanism and the quick-connection mechanism to transversely move.
3. The intelligent transmitter inspection calibration device according to claim 2, wherein the traveling trolley comprises a trolley body and traveling wheels arranged at the bottom of the trolley body, the traveling wheels are driven by a servo motor A, and the servo motor A is connected with and controlled by a central controller; and a position sensor connected with the central controller is installed at the bottom of the vehicle body.
4. The intelligent transmitter inspection calibration device according to claim 1, wherein the transverse moving mechanism and the vertical moving mechanism are configured in the same manner, and each of the transverse moving mechanism and the vertical moving mechanism comprises a bottom plate, linear guide rails arranged on two sides of the bottom plate, and a slider, two sides of which are adapted to the linear guide rails and can slide along the linear guide rails; the sliding block is provided with a mounting hole, the ball screw pair penetrates through the mounting hole, a nut of the ball screw pair is fixedly connected with the mounting hole, a screw of the ball screw pair is parallel to the linear guide rail, one end of the screw is connected with a servo motor, and the servo motor is connected with the central controller; a screw rod of the transverse moving mechanism and the linear guide rail are transversely arranged, and the screw rod is driven by a servo motor B; and a screw rod of the vertical moving mechanism and the linear guide rail are vertically arranged, and the screw rod is driven by a servo motor C.
5. The intelligent transmitter patrol checking device according to claim 4, wherein the sliders of the vertical moving mechanism and the sliders of the horizontal moving mechanism are respectively provided with a position sensor connected with the central controller.
6. The intelligent transmitter patrol checking device according to claim 1, wherein the quick-connection mechanism comprises a pipe body a fixedly connected with the vertical moving mechanism, and a manipulator mounted at an end of the pipe body a; an airflow channel is arranged in the tube body A, one end of the airflow channel is communicated with the output end of the intelligent checking system, and the other end of the airflow channel can be communicated with an air inlet of the transmitter through a switching joint; the manipulator is matched with the switching connector and is connected with the servo motor D, the servo motor D drives the manipulator to extend or retract, and when the manipulator extends, the switching connector is communicated with an airflow channel of the quick connection mechanism and an air inlet of the transmitter; when the manipulator retracts, the airflow channel of the quick-connection mechanism is disconnected from the air inlet of the transmitter.
7. The intelligent transmitter patrol checking device according to claim 6, wherein a position sensor connected to the central controller is mounted on the manipulator.
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| CN202010003858.9A CN111256907B (en) | 2020-01-03 | 2020-01-03 | Intelligent line inspection checking device of transmitter |
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Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2085521U (en) * | 1990-12-13 | 1991-09-25 | 中国石油化工总公司奎阳石油化纤公司 | Portable pressure signal generator |
| CN202221359U (en) * | 2011-07-29 | 2012-05-16 | 西安石油大学 | Automatic focus control device of pressure instrument |
| CN103267608A (en) * | 2013-05-31 | 2013-08-28 | 南京化工职业技术学院 | Portable pressure instrument calibrator |
| CN203895130U (en) * | 2014-05-28 | 2014-10-22 | 中广核核电运营有限公司 | Nuclear power plant switch checking device and system |
| CN204373843U (en) * | 2014-12-23 | 2015-06-03 | 丹东华通测控有限公司 | A kind of load transducer verification platform |
| EP2934624A1 (en) * | 2012-12-20 | 2015-10-28 | Gambro Lundia AB | Target volume based diaphragm repositioning for pressure measurement apparatus |
| CN205600225U (en) * | 2016-01-21 | 2016-09-28 | 吉林大学 | Improve device of axle type part hole machining precision |
| CN206420615U (en) * | 2016-12-26 | 2017-08-18 | 河南广电计量检测有限公司 | Jack type tension and compression power apparatus |
| CN107243898A (en) * | 2017-06-09 | 2017-10-13 | 陕西科技大学 | A kind of link-type intelligent robot |
| CN206719255U (en) * | 2017-05-12 | 2017-12-08 | 南昌工程学院 | A kind of portable express delivery sorting transport dolly |
| CN107486772A (en) * | 2017-09-30 | 2017-12-19 | 中山市光维智能科技有限公司 | Optical mirror slip classification automatically picks and places lapping device |
| CN207044161U (en) * | 2017-06-09 | 2018-02-27 | 陕西科技大学 | A kind of self-adaptation type industrial robot |
| CN108663317A (en) * | 2018-05-17 | 2018-10-16 | 宁波工程学院 | Detection device scaling method based on jet stream |
| CN208215216U (en) * | 2018-05-03 | 2018-12-11 | 马鞍山沃顿机械科技有限公司 | A kind of hydraulic spanner dedicated pump with calibration equipment |
| CN208751786U (en) * | 2018-09-12 | 2019-04-16 | 苏州哈工英飒智能技术有限公司 | A kind of full-automatic testing device for the detection calibration of circuit board pressure sensor |
| CN208751858U (en) * | 2018-09-17 | 2019-04-16 | 远安永安车桥有限责任公司 | A kind of differential mechanism automatic detection device |
| CN209014196U (en) * | 2018-10-23 | 2019-06-21 | 中车青岛四方机车车辆股份有限公司 | Instrument checking table and rail vehicle |
| CN110411657A (en) * | 2019-06-10 | 2019-11-05 | 安徽蓝润自动化仪表有限公司 | A kind of intelligent pressure transmitter verification system |
| CN110501114A (en) * | 2019-08-22 | 2019-11-26 | 中国计量大学 | Three-dimensional force sensor Calibration of Dynamic device and method |
| CN209783818U (en) * | 2019-04-25 | 2019-12-13 | 上海臻友设备工程技术有限公司 | Handheld positive and negative liquid pressure calibrator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017976B (en) * | 2012-12-03 | 2015-01-07 | 中国航空工业集团公司北京长城计量测试技术研究所 | Backpressure balanced type liquid high pressure regulation device |
| CN110426628A (en) * | 2019-09-04 | 2019-11-08 | 上海乐研电气有限公司 | Transmitter and system for on-line testing gas density relay |
-
2020
- 2020-01-03 CN CN202010003858.9A patent/CN111256907B/en active Active
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2085521U (en) * | 1990-12-13 | 1991-09-25 | 中国石油化工总公司奎阳石油化纤公司 | Portable pressure signal generator |
| CN202221359U (en) * | 2011-07-29 | 2012-05-16 | 西安石油大学 | Automatic focus control device of pressure instrument |
| EP2934624A1 (en) * | 2012-12-20 | 2015-10-28 | Gambro Lundia AB | Target volume based diaphragm repositioning for pressure measurement apparatus |
| CN103267608A (en) * | 2013-05-31 | 2013-08-28 | 南京化工职业技术学院 | Portable pressure instrument calibrator |
| CN203895130U (en) * | 2014-05-28 | 2014-10-22 | 中广核核电运营有限公司 | Nuclear power plant switch checking device and system |
| CN204373843U (en) * | 2014-12-23 | 2015-06-03 | 丹东华通测控有限公司 | A kind of load transducer verification platform |
| CN205600225U (en) * | 2016-01-21 | 2016-09-28 | 吉林大学 | Improve device of axle type part hole machining precision |
| CN206420615U (en) * | 2016-12-26 | 2017-08-18 | 河南广电计量检测有限公司 | Jack type tension and compression power apparatus |
| CN206719255U (en) * | 2017-05-12 | 2017-12-08 | 南昌工程学院 | A kind of portable express delivery sorting transport dolly |
| CN207044161U (en) * | 2017-06-09 | 2018-02-27 | 陕西科技大学 | A kind of self-adaptation type industrial robot |
| CN107243898A (en) * | 2017-06-09 | 2017-10-13 | 陕西科技大学 | A kind of link-type intelligent robot |
| CN107486772A (en) * | 2017-09-30 | 2017-12-19 | 中山市光维智能科技有限公司 | Optical mirror slip classification automatically picks and places lapping device |
| CN208215216U (en) * | 2018-05-03 | 2018-12-11 | 马鞍山沃顿机械科技有限公司 | A kind of hydraulic spanner dedicated pump with calibration equipment |
| CN108663317A (en) * | 2018-05-17 | 2018-10-16 | 宁波工程学院 | Detection device scaling method based on jet stream |
| CN208751786U (en) * | 2018-09-12 | 2019-04-16 | 苏州哈工英飒智能技术有限公司 | A kind of full-automatic testing device for the detection calibration of circuit board pressure sensor |
| CN208751858U (en) * | 2018-09-17 | 2019-04-16 | 远安永安车桥有限责任公司 | A kind of differential mechanism automatic detection device |
| CN209014196U (en) * | 2018-10-23 | 2019-06-21 | 中车青岛四方机车车辆股份有限公司 | Instrument checking table and rail vehicle |
| CN209783818U (en) * | 2019-04-25 | 2019-12-13 | 上海臻友设备工程技术有限公司 | Handheld positive and negative liquid pressure calibrator |
| CN110411657A (en) * | 2019-06-10 | 2019-11-05 | 安徽蓝润自动化仪表有限公司 | A kind of intelligent pressure transmitter verification system |
| CN110501114A (en) * | 2019-08-22 | 2019-11-26 | 中国计量大学 | Three-dimensional force sensor Calibration of Dynamic device and method |
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|---|---|
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Effective date of registration: 20220324 Address after: 201999 No. 3520, Tongji Road, Baoshan District, Shanghai Patentee after: Baowu equipment Intelligent Technology Co.,Ltd. Address before: 430083 No. 2 Gate in front of Factory, Qingshan District, Wuhan City, Hubei Province Patentee before: WUHAN IRON AND STEEL Co.,Ltd. |