CN105845007A - Intelligent electric energy meter simulation application test stand and use method thereof - Google Patents

Abstract

The invention relates to an intelligent electric energy meter simulation application test stand and a use method thereof. The intelligent electric energy meter simulation application test stand comprises a movable rack, detection equipment and demonstration equipment. A display board is erected on the movable rack. The detection equipment and the demonstration equipment are respectively fixed on the display board. The detection equipment comprises a tablet computer, an electric energy meter calibrator, a hand writing device, a writing control module, a monitoring module, a carrier communication module and a power supply module. The demonstration equipment comprises multiple single-phase/three-phase electric energy meters and current transformers and acquisition equipment which are matched with the multiple single-phase/three-phase electric energy meters. The field use environment can be simulated to demonstrate the relevant operation steps and methods of the intelligent electric energy meters, and a movable structure is adopted so that teaching is enabled to be more convenient; and students can skillfully master operation and maintenance skills through repeated simulation training so that the qualified standard of operation and maintenance personnel can be rapidly achieved, the working skills and the working efficiency of the existing operation and maintenance personnel can be enhanced and standardized operation can be realized.

Description

Smart electric energy meter simulation application test bench and using method thereof

technical field

The invention relates to a teaching demonstration device for an intelligent electric energy meter, in particular to an intelligent electric energy meter simulation application test bench and a use method thereof.

Background technique

The smart energy meter is the terminal of the smart grid. It realizes the basic power consumption measurement and does not need to be manually performed by the meter reader. It also has power consumption information storage, two-way multiple rate measurement functions, user-side control functions, and multiple data transmissions. Mode of two-way data communication function, anti-stealing function, etc. It is like a miniature computer, realizing remote control, automation, intelligence and convenience. Users only need to go to the business hall of the power company or pay the electricity bill on the manual POS machine to continue to use electricity. At present, smart energy meters have become the mainstream equipment of electricity metering devices, and the operation and maintenance of metering devices has also become the top priority of the power system to provide customer service. key nodes.

For a local power supply company, the total number of customer meters generally exceeds one million, so the daily operation and maintenance workload is very heavy, and a large number of qualified operation and maintenance personnel need to be trained; but so far, there is no smart energy meter and related modules. , Concentrator and other equipment operation demonstration of special simulation demonstration device, which is not conducive to the training effect of personnel and as soon as possible to work.

Contents of the invention

The invention provides a simulation application test bench for an intelligent electric energy meter and its use method, which can simulate the on-site use environment, demonstrate the relevant operation steps and methods of the intelligent electric energy meter, adopt a movable structure, and make teaching more convenient; Training to master operation and maintenance skills, quickly meet the qualification standards of operation and maintenance personnel, and can improve the work skills and work efficiency of existing operation and maintenance personnel, and realize standardized operations.

In order to achieve the above object, the present invention adopts the following technical solutions to realize:

The intelligent electric energy meter simulation application test bench includes a movable platform, testing equipment and demonstration equipment. The movable platform is provided with a display board, and the testing equipment and demonstration equipment are respectively fixed on the display board; calibrator, hand-written device, copy control module, monitoring module, carrier communication module and power module; the electric energy meter calibrator, hand-written device, copy control module, carrier communication module and power module are respectively connected to the tablet computer, wherein The hand copy device, copy control module, carrier communication module and tablet computer together constitute the active sending device of the remote centralized meter reading system, which is connected with the smart energy meter in the demonstration device through carrier communication, and uploads the real-time data of the smart energy meter to the tablet computer The power supply module provides power for the tablet computer and other electrical instruments; the copy control module is additionally connected to the monitoring module, and the monitoring module is used to monitor the operating status of the smart energy meter end acquisition equipment; the tablet computer is also provided with an interface to connect with a multimeter and a vibration sensor The multimeter is used to detect the circuit system of the smart electric energy meter, and the vibration sensor is used to detect the vibration parameters of the intelligent electric energy meter when it is running; the demonstration equipment includes multiple single-phase/three-phase electric energy meters and their supporting current transformers and acquisition equipment .

The main frame of the movable platform is made of aluminum alloy, and the display board is made of transparent synthetic resin.

The surface of the display board is provided with a plurality of concave fixed positions, corresponding to the fixed tablet computer, the copy control module and the monitoring module respectively, the carrier communication module and the power supply module are arranged inside the movable platform, the electric energy meter calibrator, the manual copy Temporary connection of detectors, multimeters, vibration sensors and tablet PCs

The display board is also provided with a control switch and an air switch, wherein the control switch is used to control the on-off of the power supply circuit related to the detection equipment, and the air switch is used to control the on-off of the power supply circuit related to the display equipment.

The use method of the simulation application test bench based on the smart electric energy meter includes the following steps:

1) Demonstration of smart energy meter reading; check whether the energy meter calibrator, hand copy device, copy control module, monitoring module and tablet computer are reliably connected, connected to the control switch and air switch corresponding to the detection equipment and demonstration equipment; Make communication settings to make it communicate with the tablet computer, and collect smart energy meter data through the hand copy device after connection;

2) Demonstration of fault troubleshooting for smart energy meter reading; follow step 1) to find the smart energy meter that fails to return data, and investigate one by one in the following three situations: a) The circuit connection of the smart energy meter is faulty; The address does not match the actual address; c) The smart energy meter or the carrier module and acquisition equipment at the end of the smart energy meter are faulty; check separately according to the cause of the fault; Detection, including circuit voltage, resistance, current, diode, triode, MOS field effect tube detection;

3) Demonstration of smart energy meter calibration; calibrate the single-phase/three-phase energy meter through the energy meter calibrator. The energy meter calibrator provides 0.5A, 2.5A, 5A three-level virtual current load. Under normal circumstances, the error of the smart energy meter can be detected online, and the electrical parameters of the smart energy meter such as voltage, current, frequency, power, and power factor can be checked; and the transformation ratio of the current transformer can be measured to determine the comprehensiveness of the smart energy meter and the current transformer. error; the above tests are all carried out without power failure and without changing the wiring of the metering circuit;

4)) Demonstration of the running stability detection of the smart energy meter; fix the detection end of the vibration sensor on the display board, connect the signal output end to the interface of the tablet computer, detect the vibration parameters at the smart energy meter, and use the digital vibration sensor to read directly data and transfer data to the tablet;

5) Demonstration of carrier communication module operation status detection; when the smart energy meter is in normal use state, communicate with the smart energy meter through the hand-written device, and realize data upload through the carrier communication module; check the tablet computer, if the tablet computer receives the detected The data of the smart energy meter proves that the carrier communication module is operating normally; if the tablet computer does not receive data, it can directly determine whether the carrier communication module is faulty by testing its electrical performance by powering up each pin of the carrier communication module.

Compared with prior art, the beneficial effect of the present invention is:

1) It can simulate the on-site use environment, demonstrate the relevant operation steps and methods of the smart energy meter, and adopt a movable structure to make teaching more convenient;

2) Trainees can master operation and maintenance skills through repeated simulation training, and quickly reach the qualified standards for operation and maintenance personnel;

3) It is conducive to improving the working skills and work efficiency of existing operation and maintenance personnel, and realizing standardized operations.

Description of drawings

Fig. 1 is a front view of a simulation application test bench for a smart electric energy meter according to the present invention.

Fig. 2 is a block diagram of the connection relationship of the components of the smart electric energy meter simulation application test bench of the present invention.

Fig. 3 is a structural schematic diagram of the main frame and the display board of the movable stand according to the present invention.

In the figure: 1. Movable platform 2. Display board 3. Tablet computer 4. Single-phase electric energy meter 5. Three-phase electric energy meter 6. Copy control module 7. Monitoring module 8. Acquisition equipment 9. Current transformer 10. Control Switch 11. Air switch

detailed description

The specific embodiment of the present invention will be further described below in conjunction with accompanying drawing:

As shown in Fig. 1 and Fig. 2, the smart electric energy meter simulation application test bench of the present invention comprises movable platform 1, detection equipment and demonstration equipment, and described movable 6 platform 1 is provided with display board 2 (as shown in Fig. 3), the detection equipment and demonstration equipment are respectively fixed on the display board 2; the detection equipment includes a tablet computer 3, an electric energy meter calibrator, a hand copy device, a copy control module 6, a monitoring module 7, a carrier communication module and a power supply module ; The electric energy meter calibrator, hand copy device, copy control module 6, carrier communication module and power supply module are respectively connected to tablet computer 3, wherein hand copy device, copy control module 6, carrier communication module and tablet computer 3 together constitute remote The active sending device of the centralized meter reading system is connected with the smart energy meter 4/5 in the demonstration device through carrier communication, and uploads the real-time data of the smart energy meter 4/5 to the tablet computer 3; the power module is used for the tablet computer 3 and other The electrical instrument provides power; the copy control module 6 is connected to the monitoring module 7 in addition, and the monitoring module 7 is used to monitor the operating status of the intelligent electric energy meter 4/5 terminal acquisition device 8; the tablet computer 3 is additionally provided with an interface to connect with a multimeter and a vibration sensor, wherein the multimeter It is used to detect the circuit system of the smart electric energy meter, and the vibration sensor is used to detect the vibration parameters of the intelligent electric energy meter when it is running; the demonstration equipment includes a plurality of single-phase/three-phase electric energy meters 4/5 and their matching current transformers 9 and acquisition device 8 .

The main frame of the movable platform 1 is made of aluminum alloy, and the display board 2 is made of transparent synthetic resin.

The surface of the display board 2 is provided with a plurality of concave fixed positions, corresponding to the fixed tablet computer 3, the copy control module 6 and the monitoring module 7 respectively, the carrier communication module and the power module are arranged inside the movable platform 1, and the electric energy meter Probe, hand copy device, multimeter, vibration sensor and tablet 3 temporary connection

The display board 2 is also provided with a control switch 10 and an air switch 11, wherein the control switch 10 is used to control the on-off of the power supply circuit related to the detection equipment, and the air switch 11 is used to control the on-off of the power supply circuit related to the display equipment.

The use method of the simulation application test bench based on the smart electric energy meter includes the following steps:

1) Smart energy meter meter reading demonstration; check whether the energy meter calibrator, hand copy device, copy control module 6, monitoring module 7 and tablet computer 3 are reliably connected, and connect the control switch 10 and air switch corresponding to the detection equipment and demonstration equipment 11. Perform communication settings on the hand copy device to make it communicate with the tablet computer 3, and collect smart energy meter 4/5 data through the hand copy device after connection;

2) Demonstration of fault troubleshooting for smart energy meter reading; follow step 1) to find the smart energy meter that fails to return data, and investigate one by one in the following three situations: a) The circuit connection of the smart energy meter is faulty; Assume that the address does not match the actual address; c) the smart energy meter or the carrier module at the end of the smart energy meter and the acquisition device 8 break down; according to the cause of the failure, check respectively; Detection, including circuit voltage, resistance, current, diode, triode, MOS field effect tube detection;

3) Demonstration of smart energy meter calibration; calibrate the single-phase/three-phase energy meter 4/5 through the energy meter calibrator. In the case of zero, the error of the smart energy meter is detected online, and the electrical parameters of the smart energy meter 4/5 are checked, such as voltage, current, frequency, power, and power factor; and the transformation ratio of the current transformer 9 can be measured to determine the smart energy. Table 4, 5 and the comprehensive error of current transformer 9; the above tests are all carried out without power supply and without changing the wiring of the metering circuit;

4)) Demonstration of the detection of the running stability of the smart energy meter; fix the detection end of the vibration sensor on the display board 2, connect the signal output end to the interface of the tablet computer 3, and detect the vibration parameters at the smart energy meter, and use the digital vibration sensor to directly Read the data and transfer the data to the tablet 3;

5) Demonstration of carrier communication module operation status detection; when the smart energy meter 4/5 is determined to be in normal use, communicate with the smart energy meter 4/5 through the hand-written device, and realize data upload through the carrier communication module; check the tablet computer 3, If the tablet computer 3 receives the data of the detected smart energy meter 4/5, it proves that the carrier communication module is operating normally; if the tablet computer 3 does not receive the data, then detect its electrical performance by powering up each pin of the carrier communication module , directly determine whether the carrier communication module is faulty.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (5)

1. The simulation application test bench of smart electric energy meter is characterized in that, comprises movable platform, testing equipment and demonstration equipment, and described movable platform is provided with display board, and testing equipment and demonstration equipment are respectively fixed on display board; Testing equipment Including a tablet computer, an electric energy meter calibrator, a hand copy device, a copy control module, a monitoring module, a carrier communication module and a power supply module; the electric energy meter calibrator, a hand copy device, a copy control module, a carrier communication module and a power supply module Connect the tablet computer respectively, among which the hand copy device, the copy control module, the carrier communication module and the tablet computer together constitute the active sending device of the remote centralized meter reading system, and connect with the smart energy meter in the demonstration device through carrier communication, and the smart energy meter The real-time data is uploaded to the tablet computer; the power supply module provides power for the tablet computer and other electrical instruments; the copy control module is also connected to the monitoring module, and the monitoring module is used to monitor the running status of the smart energy meter terminal acquisition equipment; the tablet computer is also equipped with an interface and a multimeter 1. Vibration sensor connection, wherein the multimeter is used to detect the circuit system of the smart electric energy meter, and the vibration sensor is used to detect the vibration parameters of the intelligent electric energy meter when it is running; the demonstration equipment includes multiple single-phase/three-phase electric energy meters and their matching Current transformers and acquisition equipment. 2. The test bench for simulated application of smart energy meters according to claim 1, wherein the main frame of the movable stand is made of aluminum alloy, and the display board is made of transparent synthetic resin. 3. The intelligent electric energy meter simulation application test bench according to claim 1, characterized in that, the surface of the display board is provided with a plurality of concave fixed watch positions, corresponding to the fixed tablet computer, the copy control module and the monitoring module respectively, and the carrier wave The communication module and power module are set inside the movable platform, and the energy meter calibrator, hand-written device, multimeter, vibration sensor are temporarily connected to the tablet computer. 4. The simulation application test bench for smart electric energy meters according to claim 1, wherein a control switch and an air switch are also provided on the display board, wherein the control switch is used to control the on-off of the relevant power supply circuit of the detection equipment, and the air The switch is used to control the on-off of the power supply circuit related to the display equipment. 5. based on the using method of smart electric energy meter simulation application test bench claimed in claim 1, it is characterized in that, comprising the steps: 1) Demonstration of smart energy meter reading; check whether the energy meter calibrator, hand copy device, copy control module, monitoring module and tablet computer are reliably connected, connected to the control switch and air switch corresponding to the detection equipment and demonstration equipment; Make communication settings to make it communicate with the tablet computer, and collect smart energy meter data through the hand copy device after connection; 2) Demonstration of fault troubleshooting for smart energy meter reading; follow step 1) to find the smart energy meter that fails to return data, and investigate one by one in the following three situations: a) The circuit connection of the smart energy meter is faulty; The address does not match the actual address; c) The smart energy meter or the carrier module and acquisition equipment at the end of the smart energy meter are faulty; check separately according to the cause of the fault; Detection, including circuit voltage, resistance, current, diode, triode, MOS field effect tube detection; 3) Demonstration of smart energy meter calibration; calibrate the single-phase/three-phase energy meter through the energy meter calibrator. The energy meter calibrator provides three virtual current loads of 0.5A, 2.5A, and 5A. Under normal circumstances, the error of the smart energy meter can be detected online, and the electrical parameters of the smart energy meter such as voltage, current, frequency, power, and power factor can be checked; and the transformation ratio of the current transformer can be measured to determine the comprehensiveness of the smart energy meter and the current transformer. error; the above tests are all carried out without power failure and without changing the wiring of the metering circuit; 4)) Demonstration of the running stability detection of the smart energy meter; fix the detection end of the vibration sensor on the display board, connect the signal output end to the interface of the tablet computer, detect the vibration parameters at the smart energy meter, and use the digital vibration sensor to read directly data and transfer data to the tablet; 5) Demonstration of carrier communication module operation status detection; when the smart energy meter is in normal use state, communicate with the smart energy meter through the hand-written device, and realize data upload through the carrier communication module; check the tablet computer, if the tablet computer receives the detected The data of the smart energy meter proves that the carrier communication module is operating normally; if the tablet computer does not receive data, it can directly determine whether the carrier communication module is faulty by testing its electrical performance by powering up each pin of the carrier communication module.