CN211124488U - Low-voltage centralized meter reading intelligent simulation device - Google Patents
Low-voltage centralized meter reading intelligent simulation device Download PDFInfo
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- CN211124488U CN211124488U CN201922490223.1U CN201922490223U CN211124488U CN 211124488 U CN211124488 U CN 211124488U CN 201922490223 U CN201922490223 U CN 201922490223U CN 211124488 U CN211124488 U CN 211124488U
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Abstract
The utility model belongs to the technical field of the technique of intelligent circuit simulation and specifically relates to an intelligent analogue means is copied to low pressure collection. It includes rack and measuring equipment, and measuring equipment installs on the preceding operating panel of rack, and measuring equipment has a plurality ofly, the inside of rack is provided with the PC, keeps apart power, master control treater, serial communication mainboard, epitope processing board and epitope measurement return circuit fault analog unit, and the epitope processing board has a plurality ofly, and the PC passes through ethernet and is connected with master control treater, and master control treater passes through ethernet with serial communication mainboard and is connected, and serial communication mainboard passes through CAN communication mode and is connected with a plurality of epitope processing boards, and measuring equipment connects on the epitope processing board, and every measuring equipment corresponds an epitope processing board, and epitope measurement return circuit fault analog unit includes voltage fault analog unit and current fault analog unit. The utility model discloses can carry out epitope measurement return circuit fault simulation and epitope analog load simulation, provide the fault exercise for real personnel of instructing.
Description
Technical Field
The utility model belongs to the technical field of the technique of intelligent circuit simulation and specifically relates to an intelligent analogue means is copied to low pressure collection.
Background
The training device used in the existing electric power system and electric power technology training colleges only realizes the installation of acquisition and metering equipment, the power supply and the simulation of basic faults, the instantaneous data cannot reflect the logical corresponding relation of the system, and the corresponding fault data cannot be generated according to the training questions for the analysis and the processing of training personnel, so that the training process is inconsistent with the operation and maintenance process of an operation field, and the training effect is distorted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an intelligent analogue means is copied to low pressure collection, it can carry out epitope measurement return circuit fault simulation, provides the fault exercise for real personnel of instructing.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides an intelligent analogue means is copied to low pressure collection, includes rack and measuring equipment, and measuring equipment installs on the preceding operating panel of rack, and measuring equipment has a plurality ofly, the inside of rack is provided with the PC, keeps apart power, master control treater, serial communication mainboard, epitope processing board and epitope measurement return circuit trouble analog unit, and epitope processing board has a plurality ofly, and the PC passes through the ethernet and is connected with master control treater, and master control treater and serial communication mainboard pass through the ethernet and are connected, and the serial communication mainboard passes through CAN communication mode and is connected with a plurality of epitope processing boards, and measuring equipment connects on epitope processing board, and every measuring equipment corresponds an epitope processing board, and epitope measurement return circuit trouble analog unit includes voltage trouble analog unit and current trouble analog unit.
Preferably, the voltage fault simulation unit includes a voltage phase error sequence module and a voltage phase failure module, and a plurality of switches are arranged on the voltage phase error sequence module and the voltage phase failure module as fault points.
Preferably, the current fault simulation unit includes a current phase sequence module, a polarity reversal module, a short circuit module and an open circuit module, and a plurality of switches are arranged on the current phase sequence module, the polarity reversal module, the short circuit module and the open circuit module as fault points.
Preferably, the serial communication interface of the serial communication mainboard is connected with a touch serial port screen.
Preferably, an epitope analog load simulation unit is arranged in the cabinet and comprises an analog power supply, a voltmeter and an ammeter, the voltmeter and the ammeter are connected with the serial communication main board, and the analog power supply is connected with the epitope processing board.
Preferably, the analog power supply can output parameters with adjustable frequency of 45.00-60.00Hz, adjustable phase of 0.00-359.99 degrees, adjustable voltage amplitude of 0-245V and adjustable current amplitude of 0-5A.
To sum up, the utility model discloses a beneficial technological effect does:
the device can control the PC to send out the order to master control processor and serial communication mainboard through the touch serial port screen, controls epitope analog load analog unit and epitope metering loop fault analog unit action through the serial communication mainboard to with data display on the touch serial port screen, be convenient for real personnel of instructing carry out failure analysis.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a system schematic of the present invention;
FIG. 4 is a circuit diagram of a voltage fault simulation module;
fig. 5 is a circuit diagram of a current fault simulation module.
In the figure, 1, a cabinet; 2. a table area summary table; 3. a concentrator; 41. a three-phase user meter; 42. a single-phase user meter; 51. a first breaker; 52. a second circuit breaker; 61. a socket; 62. a user indicator light; 71. a PC machine; 72. isolating the power supply; 73. a master control processor; 74. a serial communication main board; 75. an epitope processing plate; 76. a touch serial port screen; 8. an epitope metering loop fault simulation unit; 81. a voltage fault simulation unit; 82. a current fault simulation unit; 91. an epitope independent power supply; 92. a voltmeter; 93. and (4) an ammeter.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a low pressure collection is copied intelligent simulation device, including rack 1, the front panel operation area of rack 1 divides into the three. The left side comprises a distribution area general table 2, a concentrator 3, two three-phase user tables 41 and six single-phase user tables 42 which jointly form a low-voltage distribution transformer area acquisition operation environment; the middle part comprises a voltmeter 92, an ammeter 92, a touch serial port screen 76, a breaker I51, a concentrator 3, nine single-phase user meters 42, eighteen breaker II 52, nine sockets 61 and nine user indicator lamps 62, which jointly form a single-phase centralized meter reading user; the right side comprises a distribution area general table 2, a concentrator 3, a three-phase user table 41 and a single-phase user table 42, and the collection operation environment of the low-voltage distribution transformer area is formed together. The inside of the cabinet 1 is provided with a PC 71, an isolated power supply 72, a master control processor 73, a serial communication main board 74, an epitope independent power supply 91 and an epitope processing board 75. Therefore, the collection and metering operation environment of the low-voltage distribution transformer area is simulated, and the simulation of the epitope simulation load and the simulation of the epitope metering loop fault are realized.
Referring to fig. 2 and fig. 3, the PC 71 is mainly used for implementing functions of device control, logic judgment, data processing, and data interaction, the PC 71 is connected to the central control processor 73 through an ethernet, and the central control processor 73 is mainly used for forwarding control and data commands of the PC 71 to each terminal device; the output end of the master control processor 73 is respectively connected with the concentrator 3 and the serial communication mainboard 74 through the Ethernet, the serial communication interface of the serial communication mainboard 74 is connected with the touch serial port screen 76, and the PC 71 and the master control processor 73 can be controlled through a control panel on the touch serial port screen 76; the voltmeter 92 and the ammeter 93 are connected to the 485 interface of the serial communication mainboard 74, and the current value and the voltage value in operation can be displayed through the touch serial port screen 76; a plurality of epitope processing boards 75 are provided, and the plurality of epitope processing boards 75 are connected with the serial communication main board 74 in a CAN communication manner to exchange data; each concentrator 3, the epitope independent power supply 91, the distribution room summary table 2 and the user table correspond to one epitope processing board 75, and the epitope independent power supply 91 realizes the loading function of the corresponding epitope analog load.
Referring to fig. 3, each metering device is correspondingly provided with an epitope independent power supply 91, and the epitope independent power supply 91 can output parameters with adjustable frequency of 45.00-60.00Hz, adjustable phase of 0.00-359.99 °, adjustable voltage amplitude of 0-245V and adjustable current amplitude of 0-5A. The control command of the PC 71 is output through the touch serial port screen 76, the adjustment of the voltage, the current amplitude, the phase and the frequency is realized through the master control processor 73 and the epitope processing board 75, the property of the user load is simulated, and therefore the epitope simulation load simulation is realized. Meanwhile, with the adjustment of the voltage, the current amplitude, the phase and the frequency, the ammeter 93 and the voltmeter 92 test different data and display the data on the touch serial port display screen 76, so that the data analysis is convenient.
Referring to fig. 4 and 5, each metering device is correspondingly provided with an epitope processing board 75, and the epitope processing board 75 performs data interaction with the serial communication main board 74 in a CAN communication manner, so that fault simulation of a metering line voltage phase error sequence, a metering line phase failure, a metering line current phase error sequence, polarity reversal, a metering line short circuit and a metering line open circuit CAN be realized. Referring to fig. 2, the PC 71 is controlled by the touch serial screen 76 to issue a command, which is sent to the master controller 73 and the serial communication motherboard 74 via ethernet to further control the action of the fault point, which is exemplified by a switch. The switch JK5 is connected to the pin 3, so that the voltage UA + phase failure can occur; the voltage UB + phase failure can occur when the switch JK6 is connected to the pin 3; when the switch JK7 is connected to the pin 3, the fault of the voltage UC + phase failure can occur; by connecting the switch JK8 to pin 3, the open-phase fault of the voltage UN can occur. When switch JK9 is connected on pin 3, voltage UA0 will be connected to UB +; when switch JK10 is connected on pin 3, voltage UB0 will be connected to UA +; when switch JK11 is connected on pin 3, voltage UB0 will be connected to UC +; when switch JK12 is connected on pin 3, voltage UC0 phase will be connected to UB + and simulation of a voltage out of phase sequence fault occurs. With reference to fig. 4, closing switch JK1 may enable a short circuit of current IA 1; the switch JK12 is closed, so that the short circuit of the current IA2 can be realized; closing switch JK2 may effect a short circuit of current IB 1; closing switch JK13 may effect a short circuit of current IB 2; closing switch JK3 can short circuit current IC 1; closing switch JK14 may short circuit current IC 2. When the switch JK4 is connected to the pin 1 and the switch JK12 is connected to the pin 2, the current IA1+ is communicated with the IA1-, the current IA 1-is communicated with the IA1+, and the current polarity is reversed; similarly, when the switch JK5 is connected to the pin 1 and the switch JK13 is connected to the pin 2, the current IB1+ is communicated with the IA1-, the current IB 1-is communicated with the current IB1+, and the polarity of the current is reversed; when the switch JK6 is connected to the pin 1 and the switch JK14 is connected to the pin 2, the current IC1+ is communicated with the IC1-, the current IC 1-is communicated with the IC1+, and the current polarity is reversed. When the switches JK7, JK8, JK9 are open, a current open fault occurs. When the pin 5 and the pin 6 of the switch JK10 are respectively connected with the pin 1 and the pin 2, the current IA1+ is communicated with the IC1+ and the current IA-is communicated with the IC 1-; when the pin 5 and the pin 6 of the switch JK11 are respectively connected with the pin 1 and the pin 2, the current IC1+ is communicated with the IA1+ and the current IC 1-is communicated with the IA-; when the pin 5 and the pin 6 of the switch JK15 are respectively connected with the pin 1 and the pin 2, the current IB1+ is communicated with the IC1+ and the current IB 1-is communicated with the IC 1-; when the pin 5 and the pin 6 of the switch JK16 are connected with the pin 1 and the pin 2 respectively, the current IC1+ is communicated with the IB1+ and the current IC 1-is communicated with the IB 1-. Therefore, fault simulation of current phase sequence mismatching is achieved, and operation and maintenance measurement troubleshooting training is carried out by practical training personnel.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (6)
1. The utility model provides an intelligent analogue means is copied to low pressure collection, includes rack (1) and metering equipment, and metering equipment installs on the preceding operating panel of rack (1), and metering equipment is a plurality of, and metering equipment includes three-phase user table (41) and single-phase user table (42), its characterized in that: the utility model discloses a meter position measuring device, including rack (1), cabinet (1), inside be provided with PC (71), isolation power supply (72), master control treater (73), serial communication mainboard (74), epitope processing board (75) and epitope measurement return circuit trouble analog unit (8), epitope processing board (75) have a plurality ofly, PC (71) are connected with master control treater (73) through the ethernet, master control treater (73) are connected through the ethernet with serial communication mainboard (74), serial communication mainboard (74) are connected with a plurality of epitope processing boards (75) through the CAN communication mode, metering equipment connects on epitope processing board (75), every metering equipment corresponds an epitope processing board (75), epitope measurement return circuit trouble analog unit (8) include voltage trouble analog unit (81) and current trouble analog unit (82).
2. The low-voltage meter reading intelligent simulation device according to claim 1, wherein: the voltage fault simulation unit (81) comprises a voltage phase error sequence module and a voltage phase failure module, and a plurality of switches are arranged on the voltage phase error sequence module and the voltage phase failure module and serve as fault points.
3. The low-voltage meter reading intelligent simulation device according to claim 1, wherein: the current fault simulation unit (82) comprises a current phase sequence staggering module, a polarity reversing module, a short circuit module and an open circuit module, wherein a plurality of switches are arranged on the current phase sequence staggering module, the polarity reversing module, the short circuit module and the open circuit module and serve as fault points.
4. The low-voltage meter reading intelligent simulation device according to claim 1, wherein: the serial communication interface of the serial communication mainboard (74) is connected with a touch serial port screen (76).
5. The low-voltage meter reading intelligent simulation device according to claim 1, wherein: the interior of the cabinet (1) is provided with an epitope analog load simulation unit, the epitope analog load simulation unit comprises an epitope independent power supply (91), a voltmeter (92) and an ammeter (93), the voltmeter (92) and the ammeter (93) are connected with the serial communication main board (74), and the epitope independent power supply (91) is connected with the epitope processing board (75).
6. The low-voltage meter reading intelligent simulation device according to claim 3, wherein: the b-epitope independent power supply (91) can output parameters with adjustable frequency of 45.00-60.00Hz, adjustable phase of 0.00-359.99 degrees, adjustable voltage amplitude of 0-245V and adjustable current amplitude of 0-5A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922490223.1U CN211124488U (en) | 2019-12-31 | 2019-12-31 | Low-voltage centralized meter reading intelligent simulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922490223.1U CN211124488U (en) | 2019-12-31 | 2019-12-31 | Low-voltage centralized meter reading intelligent simulation device |
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| Publication Number | Publication Date |
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| CN211124488U true CN211124488U (en) | 2020-07-28 |
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| CN201922490223.1U Active CN211124488U (en) | 2019-12-31 | 2019-12-31 | Low-voltage centralized meter reading intelligent simulation device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113270003A (en) * | 2021-05-31 | 2021-08-17 | 广东电网有限责任公司 | Measurement acquisition operation and maintenance professional skill evaluation system |
| CN113539002A (en) * | 2021-07-27 | 2021-10-22 | 广东电网有限责任公司 | Power low-voltage centralized meter reading cross-platform area operation and maintenance simulation device and method |
-
2019
- 2019-12-31 CN CN201922490223.1U patent/CN211124488U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113270003A (en) * | 2021-05-31 | 2021-08-17 | 广东电网有限责任公司 | Measurement acquisition operation and maintenance professional skill evaluation system |
| CN113539002A (en) * | 2021-07-27 | 2021-10-22 | 广东电网有限责任公司 | Power low-voltage centralized meter reading cross-platform area operation and maintenance simulation device and method |
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