A fully automatic multifunctional water meter calibration device and calibration method

Abstract

A fully automatic multifunctional water meter calibration device comprises a control mechanism and a detection mechanism, wherein the control mechanism comprises a control platform, a PLC and a server; the server is connected to the control platform, and the control platform is connected to the detection mechanism; the detection mechanism is also provided with a follow-up mechanism; the PLC is arranged between the control platform and the detection mechanism; the detection mechanism comprises an execution component and a driving component, and the execution component is provided with a sensor; after the control mechanism issues a calibration instruction, the detection mechanism is controlled to run through the PLC and the information is sent to the control mechanism; the follow-up mechanism scans the code of the water meter to be tested to trigger and sends the meter number and electrical parameter information to the control mechanism; the above technical scheme is adopted, so that the fully automatic multifunctional water meter calibration device is suitable for the automatic calibration of mechanical, photoelectric and intelligent water meters, realizes the fully automatic completion of water meter calibration, and is scientific, efficient and widely applicable, meeting the substantially growing calibration needs of intelligent water meters.

Description

Technical Field

[0001] The invention relates to a calibration device and a calibration method, and in particular to a full-automatic multifunctional water meter calibration device and a calibration method. Background Art

[0002] With the development of science and technology and the promotion of information technology, water meters include photoelectric water meters and smart water meters (hereinafter referred to as electronic water meters) in addition to traditional mechanical water meters. Water meters need to be tested for various parameters after production or before they are put into use. At present, domestic water meter calibration devices have single functions and can only detect the flow index of mechanical water meters. They cannot undertake the electrical parameter index detection of electronic water meters. The electrical parameter index detection can only be completed step by step in the laboratory, which lacks due scientificity. At the same time, traditional calibration devices are manually scanned and manually controlled to read data. There are many human factors, high error rate, high labor intensity, and no management display platform, and the calibration progress cannot be monitored in real time. With the large-scale listing of electronic water meters in recent years, traditional water meter calibration devices and calibration methods can no longer meet the current production and calibration needs of electronic water meters. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a fully automatic one-step verification of photoelectric water meters and intelligent water meters, which is also applicable to the verification requirements of mechanical water meters, has high detection efficiency, good scientificity, low labor intensity, and meets the current requirements of water meter production, verification automation, and integration.

[0004] The required fully automatic multifunctional water meter calibration device and calibration method.

[0005] In order to solve the above technical problems, the technical solution of the present invention is:

[0006] A fully automatic multifunctional water meter calibration device includes a control mechanism and a detection mechanism, wherein the control mechanism includes a control platform, a PLC and a server, wherein the server is connected to the control platform, and the control platform is connected to the detection mechanism; the detection mechanism is also provided with a follower

[0007] The PLC is arranged between the control platform and the detection mechanism;

[0008] The detection mechanism includes an execution component and a driving component, and the execution component is provided with a sensor; the execution component includes a water pump, a meter clamping device, an electric valve and a water tank; the water pump, the meter clamping device, the electric valve and the water tank are connected in sequence through pipelines to form a closed loop, and control valves are provided between the water pump, the meter clamping device and the electric valve; a flow stabilization tank and a pressure tank are provided between the water pump and the meter clamping device, and a pressurized cylinder is provided between the pressure tank and the meter clamping device; the meter clamping device is provided with a plurality of detection stations, and a photoelectric counter is provided above the detection station, and the photoelectric counter is directly opposite to the detection station, and the photoelectric counter is connected to the control platform by wire;

[0009] The driving component includes a sensor controller, a solenoid valve, a frequency converter and a motor driver. The sensor controller is connected between the PLC and the sensor. The solenoid valve is respectively connected to the pressurized cylinder, the pneumatic control valve and the meter clamping device. The solenoid valve is also connected to an air source. The frequency converter is arranged between the PLC and the water pump. The motor driver is connected between the PLC and the electric valve.

[0010] The follow-up mechanism is arranged between the detection station and the photoelectric counter, and a code scanning trigger device and a mobile power supply are fixed on the follow-up mechanism, and the mobile power supply is connected to the code scanning trigger device; the code scanning trigger device includes a code scanner and a trigger; the mobile power supply is provided with a charging module, and the charging module includes a wired charging module and a wireless charging module; a photoelectric switch is arranged on one side of the mobile power supply, and the photoelectric switch includes a transmitting end and a receiving end, and the receiving end is arranged on the mobile power supply, and the transmitting end is used in conjunction with the receiving end, and it is fixed on the bracket on one side of the follow-up mechanism.

[0011] Preferably, the sensor includes a flow meter, a temperature sensor, a pressure sensor, a weighing sensor and a density meter, the temperature sensor and the density meter are arranged in the water tank, the pressure sensor is arranged in the pressure tank, and the flow meter and the weighing sensor are arranged between the electric valve and the water tank.

[0012] Preferably, the photoelectric counter has an automatic focusing function.

[0013] Preferably, the control platform is provided with a wireless receiving module for wireless communication with the server.

[0014] Preferably, the trigger includes an electromagnetic type, a laser type, or an infrared type.

[0015] Preferably, the control platform is provided with a network communication protocol, and the network communication protocol includes a wired, wireless or RS485 communication protocol.

[0016] Preferably, a pulley is provided at the bottom of the control platform, and the control platform is provided with a control touch screen and a display screen, and the display screen is fixed on the calibration mechanism.

[0017] Preferably, a positioning mechanism is provided at one end of the watch clamping device, and the positioning mechanism comprises limit plates provided at both sides of the watch clamping device, and the limit plates are provided in a fan shape.

[0018] Preferably, the calibration method of the fully automatic multifunctional water meter calibration device comprises the following steps:

[0019] (1) After the water meter to be inspected is manually placed at the inspection station, the control platform controls the meter clamping device through PLC to clamp the water meter to be inspected, and the positioning mechanism ensures that the water meter to be inspected remains in an upright state;

[0020] (2) The control platform controls the operation of the water pump through the PLC and the frequency converter, and passes water through the water meter to be inspected, so that the water meter to be inspected operates normally, and the sensor transmits the measured detection parameters to the control platform through wired or wireless communication;

[0021] (3) The control platform triggers the follow-up mechanism through the PLC, so that the trigger and the barcode scanner set on the follow-up mechanism pass over the water meter to be inspected in sequence, continuously or intermittently; the mobile power supply provides power to the barcode scanner and the trigger;

[0022] (4) The trigger activates the electronic water meter, so that the communication device of the electronic water meter can transmit the water meter electrical parameter signal to the control platform in real time;

[0023] (5) The barcode scanner continuously scans the meter number information of the water meter to be inspected, and transmits the meter number information through the wireless transmission module and enters it into the control platform;

[0024] (6) The PLC starts the photoelectric counter above the detection station to start counting, record the number of revolutions of the plum blossom wheel of the water meter being inspected during the counting interval, and transmit the number of revolutions of the plum blossom wheel of the water meter to the control platform in real time;

[0025] (7) The water passing through the water meter to be inspected at the counting interval in step (6) is measured by a sensor for the flow rate, weight and density parameters of the water, and the measured water volume information is transmitted to the control platform via wired transmission;

[0026] (8) The control platform is provided with a qualified interval of water meter parameters, and the data measured in step (2), step (4), step (5), step (6) and step (7) are matched and compared with the qualified interval of water meter parameters respectively to determine whether the water meter to be inspected is qualified;

[0027] (9) The control platform stores the data analysis and comparison results of step (8) to the server and displays the information on the display screen.

[0028] By adopting the above technical scheme, since the fully automatic multifunctional water meter calibration device includes a control mechanism and a detection mechanism, the control mechanism includes a control platform, a PLC and a server, the server is connected to the control platform, and the control platform is connected to the detection mechanism; the detection mechanism is also provided with a follow-up mechanism; the PLC is arranged between the control platform and the detection mechanism, so as to increase the application scope of the water meter detection system, improve the detection efficiency and accuracy, reduce the intensity of manual labor, and meet the current social production needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of the present invention;

[0030] Figure 2 It is a connection diagram of the sensor controller of the present invention;

[0031] Figure 3 It is a connection diagram of the solenoid valve of the present invention;

[0032] Figure 4 It is a structural schematic diagram of the positioning mechanism of the present invention.

[0033] In the figure, 1-control mechanism; 2-detection mechanism; 3-follow-up mechanism; 31-code scanning trigger device; 311-trigger; 312-code scanner; 32-mobile power supply; 321-photoelectric switch; 322-charging module; 4-control valve; 5-stabilizing tank; 6-pressure tank; 7-pressurized cylinder; 8-detection station; 9-photoelectric counter; 11-control platform; 12-PLC; 13-server; 21-executor; 211-water pump; 212-meter clamping device; 213-electric valve; 214-sensor; 2141-flow meter; 2142-temperature sensor; 2143-pressure sensor; 2144-weighing sensor; 2145-density meter; 215-water tank; 22-driving component; 221-sensor controller; 222-solenoid valve; 223-frequency converter; 224-motor driver; 40-positioning mechanism; 401-limiting plate. DETAILED DESCRIPTION

[0034] The specific embodiments of the invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0035] like Figure 1-4As shown, a fully automatic multifunctional water meter calibration device includes a control mechanism 1 and a detection mechanism 2, the control mechanism 1 includes a control platform 11, a PLC 12 and a server 13, the server 13 is connected to the control platform 11, and the control platform 11 is connected to the detection mechanism 2; the detection mechanism 2 is also provided with a follower mechanism 3; the PLC 12 is arranged between the control platform 11 and the detection mechanism 2; the application scope of the water meter detection system is increased, the detection efficiency and accuracy are improved, and the labor intensity is reduced;

[0036] The detection mechanism 2 includes an execution component 21 and a driving component 22. The execution component 21 is provided with a sensor 214; the execution component 21 includes a water pump 211, a meter clamping device 212, an electric valve 213 and a water tank 215; the water pump 211, the meter clamping device 212, the electric valve 213 and the water tank 215 are connected in sequence through pipelines to form a closed loop, and a control valve 4 is provided between the water pump 211, the meter clamping device 212 and the electric valve 213; a stabilizing tank 5 and a pressure tank 6 are provided between the water pump 211 and the meter clamping device 212, and a pressurized cylinder 7 is provided between the pressure tank 6 and the meter clamping device 212; the meter clamping device 212 is provided with a plurality of detection stations 8, and a photoelectric counter 9 is provided above the detection station 8, and the photoelectric counter 9 is directly opposite to the detection station 8, and is also connected to the control platform 11; the driving component Component 22 includes a sensor controller 221, a solenoid valve 222, a frequency converter 223 and a motor driver 224. The sensor controller 221 is connected between PLC12 and sensor 214. The solenoid valve 222 is respectively connected to the pressurized cylinder 7, the pneumatic control valve 4 and the clamping device 212. The solenoid valve 222 is also connected to an air source. The frequency converter 223 is arranged between PLC12 and the water pump 211. The motor driver 224 is connected between PLC12 and the electric valve 213. The follow-up mechanism 3 is arranged between the detection station 8 and the photoelectric counter 9. A code scanning trigger device 31 and a mobile power supply 32 are fixed on the follow-up mechanism 3. The mobile power supply 32 is fixed to the follow-up mechanism 3 and connected to the code scanning trigger device 31. The code scanning trigger device 31 includes a code scanner 312 and a trigger 311.

[0037] The mobile power supply 32 is provided with a charging module 322, and the charging module 322 includes a wired charging module and a wireless charging module; a photoelectric switch 321 is provided on one side of the mobile power supply 32, and the photoelectric switch 321 includes a transmitting end and a receiving end. The receiving end is arranged on the mobile power supply 32, and the transmitting end and the receiving end are used in conjunction with each other. They are fixed on a bracket on one side of the follower mechanism 3. Through the signal of the photoelectric switch, the mobile power supply 32 supplies and cuts off the power supply through the on and off of the photoelectric switch signal, and the mobile power supply 32 can be charged in real time after the power supply is cut off. In addition, the sensor 214 includes a flow meter 2141, a temperature sensor 2142, a pressure sensor 2143, a weighing sensor 2144 and a density meter 2145. The temperature sensor 2142 and the density meter 2145 are arranged in the water tank 215, the pressure sensor 2143 is arranged in the pressure tank 6, and the flow meter 2141 and the weighing sensor 2144 are arranged between the electric valve 213 and the water tank 215, which can monitor the water volume information in real time and transmit the information to the control platform 11.

[0038] Furthermore, the photoelectric counter 9 has an automatic focusing function, and the photoelectric counter can automatically find the position of the plum blossom wheel of the water meter being inspected.

[0039] In addition, the control platform 11 is provided with a wireless receiving module for wireless communication with the server 13 , so as to facilitate information transmission between the control platform 11 and the server 13 .

[0040] Furthermore, the trigger 311 includes an electromagnetic type, a laser type, or an infrared type. In this embodiment, the electromagnetic type is adopted. When the water meter to be inspected is a smart water meter, it needs to be triggered and activated by the trigger 311, so that the communication device of the electronic water meter can transmit the water meter electrical parameter signal to the control platform 11 in real time.

[0041] In addition, the control platform 11 is provided with a network communication protocol, and the network communication protocol includes a wired, wireless or RS485 communication protocol. In this embodiment, a wireless communication protocol is adopted.

[0042] Furthermore, a pulley is provided at the bottom of the control platform 11, and the control platform 11 is provided with a control touch screen and a display screen. The display screen is fixed on the calibration mechanism, the touch screen displays the calibration results, and the display screen displays management information, which is convenient for users to operate and use and view and manage information.

[0043] In addition, a positioning mechanism 40 is provided at one end of the meter clamping device 212. The positioning mechanism 40 includes limit plates 401 provided on both sides of the meter clamping device 212. The limit plates 401 are arranged in a fan shape to ensure that the inspected water meter is in an upright state after being clamped.

[0044] Furthermore, the calibration method of the fully automatic multifunctional water meter calibration device comprises the following steps:

[0045] (1) After the water meter to be inspected is manually placed at the inspection station 8, the control platform 11 controls the meter clamping device 212 through the PLC 12 to clamp the water meter to be inspected, and the positioning mechanism 40 ensures that the water meter to be inspected remains in an upright state;

[0046] (2) The control platform 11 controls the operation of the water pump 211 through the PLC 12 and the frequency converter 223, and passes water through the water meter to be inspected, so that the water meter to be inspected operates normally, and the sensor 214 transmits the measured detection parameters to the control platform 11 through wired or wireless communication;

[0047] (3) The control platform 11 triggers the follow-up mechanism 3 through the PLC 12, so that the trigger 311 and the barcode scanner 312 provided on the follow-up mechanism 3 pass over the water meter to be inspected in sequence, continuously or intermittently; the mobile power supply 32 supplies and cuts off the power supply through the on and off of the photoelectric switch signal, and the mobile power supply 32 can be charged in real time after the power supply is cut off;

[0048] (4) The trigger 311 triggers and activates the electronic water meter, so that the communication device of the electronic water meter can transmit the water meter electrical parameter signal to the control platform 11 in real time;

[0049] (5) The barcode scanner 312 continuously scans the meter number information of the water meter to be inspected, and transmits the meter number information to the control platform 11 through the wireless transmission module;

[0050] (6) PLC 12 starts the photoelectric counter 9 above the detection station 8 to start counting, records the number of rotations of the plum blossom wheel of the water meter under inspection during the counting interval, and transmits the number of rotations of the plum blossom wheel of the water meter to the control platform 11 in real time;

[0051] (7) The water passing through the water meter to be inspected at the counting interval in step (6) is measured by the sensor 214 for the flow rate, weight and density parameters of the water, and the measured water volume information is transmitted to the control platform 11 via wired transmission;

[0052] (8) The control platform 11 is provided with a qualified interval of water meter parameters, and the data measured in step (2), step (4), step (5), step (6) and step (7) are matched and compared with the qualified interval of water meter parameters respectively to determine whether the water meter to be inspected is qualified;

[0053] (9) The control platform 11 stores the data analysis and comparison results of step (8) to the server 13, and at the same time controls the touch screen to display the calibration results of the inspected water meter, and displays the calibration management information on the display screen.

[0054] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and deformations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.

Claims

1. A fully automatic multifunctional water meter calibration device, comprising a control mechanism and a detection mechanism, characterized in that: The control mechanism includes a control platform, a PLC and a server, wherein the server is connected to the control platform, and the control platform is connected to the detection mechanism; the detection mechanism is also provided with a follower mechanism; the PLC is provided between the control platform and the detection mechanism; The detection mechanism includes an execution component and a driving component, and the execution component is provided with a sensor; the execution component includes a water pump, a meter clamping device, an electric valve and a water tank; the water pump, the meter clamping device, the electric valve and the water tank are connected in sequence through pipelines to form a closed loop, and control valves are provided between the water pump, the meter clamping device and the electric valve; a flow stabilization tank and a pressure tank are provided between the water pump and the meter clamping device, and a pressurized cylinder is provided between the pressure tank and the meter clamping device; the meter clamping device is provided with a plurality of detection stations, and a photoelectric counter is provided above the detection station, and the photoelectric counter is directly opposite to the detection station, and the photoelectric counter is connected to the control platform by wire; The driving component includes a sensor controller, a solenoid valve, a frequency converter and a motor driver. The sensor controller is connected between the PLC and the sensor. The solenoid valve is respectively connected to the pressurized cylinder, the pneumatic control valve and the clamping device, and the solenoid valve is also connected to an air source. The frequency converter is arranged between the PLC and the water pump. The motor driver is connected between the PLC and the electric valve. The follow-up mechanism is arranged between the detection station and the photoelectric counter. A code scanning trigger device and a mobile power supply are fixed on the follow-up mechanism. The mobile power supply is connected to the code scanning trigger device. The code scanning trigger device includes a code scanner and a trigger. The mobile power supply is provided with a charging module, and the charging module includes a wired charging module and a wireless charging module; A photoelectric switch is arranged on one side of the mobile power source, and the photoelectric switch comprises a transmitting end and a receiving end. The receiving end is arranged on the mobile power source, and the transmitting end cooperates with the receiving end and is fixed on a bracket on one side of the follower mechanism.

2. The fully automatic multifunctional water meter calibration device according to claim 1 is characterized in that: The sensor comprises a flow meter, a temperature sensor, a pressure sensor, a weighing sensor and a density meter. The temperature sensor and the density meter are arranged in a water tank, the pressure sensor is arranged in a pressure tank, and the flow meter and the weighing sensor are arranged between the electric valve and the water tank.

3. The fully automatic multifunctional water meter calibration device according to claim 1 is characterized in that: The photoelectric counter has an automatic focusing function.

4. The fully automatic multifunctional water meter calibration device according to claim 1 is characterized in that: The control platform is provided with a wireless receiving module for wireless communication with the server.

5. The fully automatic multifunctional water meter calibration device according to claim 1 is characterized in that: The trigger includes electromagnetic, laser or infrared.

6. The fully automatic multifunctional water meter calibration device according to claim 1 is characterized in that: The control platform is provided with a network communication protocol, and the network communication protocol includes a wired, wireless or RS485 communication protocol.

7. The fully automatic multifunctional water meter calibration device according to claim 1 is characterized in that: A pulley is arranged at the bottom of the control platform, and the control platform is provided with a control touch screen and a display screen, and the display screen is fixed on the verification mechanism.

8. The fully automatic multifunctional water meter calibration device according to claim 1 is characterized in that: A positioning mechanism is arranged at one end of the watch clamping device, and the positioning mechanism comprises limit plates arranged at both sides of the watch clamping device, and the limit plates are arranged in a fan shape.

9. The fully automatic multifunctional water meter calibration device according to claim 1, characterized in that: The calibration method of the fully automatic multifunctional water meter calibration device comprises the following steps: (1) After the water meter to be inspected is manually placed at the inspection station, the control platform controls the meter clamping device through PLC to clamp the water meter to be inspected, and the positioning mechanism ensures that the water meter to be inspected remains in an upright state; (2) The control platform controls the operation of the water pump through the PLC and the frequency converter, and passes water through the water meter to be inspected, so that the water meter to be inspected operates normally, and the sensor transmits the measured detection parameters to the control platform through wired or wireless communication; (3) The control platform triggers the follow-up mechanism through the PLC, so that the trigger and the barcode scanner set on the follow-up mechanism pass over the water meter to be inspected in sequence, continuously or intermittently; the mobile power supply provides power to the barcode scanner and the trigger; (4) The trigger activates the electronic water meter, so that the communication device of the electronic water meter can transmit the water meter electrical parameter signal to the control platform in real time; (5) The barcode scanner continuously scans the meter number information of the water meter to be inspected, and transmits the meter number information through the wireless transmission module and enters it into the control platform; (6) The PLC starts the photoelectric counter above the detection station to start counting, record the number of revolutions of the plum blossom wheel of the water meter being inspected during the counting interval, and transmit the number of revolutions of the plum blossom wheel of the water meter to the control platform in real time; (7) The water passing through the water meter to be inspected at the counting interval in step (6) is measured by a sensor for the flow rate, weight and density parameters of the water, and the measured water volume information is transmitted to the control platform via wired transmission; (8) The control platform is provided with a qualified interval of water meter parameters, and the data measured in step (2), step (4), step (5), step (6) and step (7) are matched and compared with the qualified interval of water meter parameters respectively to determine whether the water meter to be inspected is qualified; (9) The control platform stores the data analysis and comparison results of step (8) to the server and displays the information on the display screen.

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