CN202002991U - Multifunctional inspection instrument for electric energy meter - Google Patents
Multifunctional inspection instrument for electric energy meter Download PDFInfo
- Publication number
- CN202002991U CN202002991U CN2010206828323U CN201020682832U CN202002991U CN 202002991 U CN202002991 U CN 202002991U CN 2010206828323 U CN2010206828323 U CN 2010206828323U CN 201020682832 U CN201020682832 U CN 201020682832U CN 202002991 U CN202002991 U CN 202002991U
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- electric energy
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- energy meter
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Abstract
The utility model provides a multifunctional inspection instrument for an electric energy meter, which mainly comprises an electric energy meter, a terminal box, a strong current wiring terminal, a weak current wiring terminal, a computer and a test clamp, wherein the test clamp consists of a power supply module, an ejector pin, a conducting wire and a collection processor, the power supply module is connected with the strong current wiring terminal and the collection processor, the collection processor is connected with the weak current wiring terminal and the computer, the ejector pin is respectively connected with the strong current terminal and the weak current wiring terminal and is connected to the power supply module and the collection processor through the conducting wire, the collection processor consists of a singlechip, an optoelectronic isolator, a suppression diode, an interface module, a resistor, a capacitor and the like, and the singlechip is respectively connected with the power supply module, the optoelectronic isolator, the suppression diode, the ejector pin and the like one by one. The multifunctional inspection instrument can judge whether various connecting wires such as 485 and the like of the electric energy meter are corrected or not, the work efficiency is improved, and the multifunctional inspection instrument is applicable to the detection of various functions of the electric energy meters in various types.
Description
Technical field
The utility model relates to a kind of Function detection of electric energy meter, particularly a kind of electric energy meter multi-tester, the pick-up unit of genus gauging instrument.
Background technology
As everyone knows, two rows' strong, weak electricity connection terminal extension lines are more before and after on the electronic electric energy meter terminal box, and light current connection terminal especially is as output leads such as 485 interfaces, versatile interface, pulse output interfaces, and when electric energy meter assembles, the easy wrong of these output leads.Up to now, check correctness by the artificial visually examine entirely, so easy omission causes unnecessary mistake, has reduced work efficiency.
The utility model content
The purpose of this utility model provides a kind of wiring correctness that can differentiate electric energy meter exactly, the electric energy meter multi-tester of high efficiency.
The utility model is achieved in that it comprises electric energy meter, terminal box, the light current connection terminal, forceful electric power connection terminal and computing machine and by power module, thimble, the test fixture that lead and Acquisition Processor constitute, it is characterized in that the described power module in the described test fixture is connected with described Acquisition Processor with described forceful electric power connection terminal respectively, described Acquisition Processor is connected with described computing machine with described light current connection terminal respectively, described thimble is connected with described forceful electric power connection terminal with described light current connection terminal respectively, and is connected respectively to described Acquisition Processor and described power module with described lead; Described Acquisition Processor is by single-chip microcomputer U1, photoisolator U2 and U3, converter U4, fast transient suppresses diode TVS1, RS232 interface module D and capacitor C 1-C2, resistance R 1-R9 constitutes, the pin 8 one tunnel of wherein said single-chip microcomputer U1 is through capacitor C 1 ground connection, another road is connected to the voltage end Vdd of described power module, pin 2,3 respectively through resistance R 2, R1 ground connection, pin 4 ground connection, pin 1 is connected to the pin 2 of described converter U4 through R9, pin 3, the pin 6 one tunnel of U1 is connected to the voltage end Vdd of described power module through resistance R 4, another road is connected to the pin 4 of described photoisolator U3, pin 3 ground connection of U3, the pin 2 of U3 is connected to the pin 1 of described converter U4 through resistance R 6, the pin 1 of U3 is connected to the voltage end Vcc of described power module, the pin 7 of U1 joins through the pin 2 of resistance R 3 with described photoisolator U2, the pin 1 of U2 is connected to the voltage end Vdd of described power module, pin 3 ground connection, pin 4 one tunnel joins through the voltage end Vcc of resistance R 5 with described power module, another road is connected to the pin 4 of described converter U4, pin 5 ground connection of described converter U4, pin 6 and described fast transient suppress the diode TVS1 back one tunnel that joins and are connected to the voltage end Vcc of described power module through resistance R 8, another road is connected to described RS232 interface module D, pin 7 suppresses diode TVS1 with described fast transient and joins back one tunnel through resistance R 7 ground connection, another road is connected to described RS232 interface module D, pin 8 one tunnel meets the voltage end Vcc of described power module, and another road is through capacitor C 2 ground connection.
The numeral that identifies on the described terminal box 1.-4. wiring pillar is described forceful electric power connection terminal, numeral 7.-
The wiring pillar is described light current connection terminal.
Description of drawings
Fig. 1 is a block scheme of the present utility model.
Fig. 2 is the electrical schematic diagram of the utility model Acquisition Processor.
Among Fig. 1: 1. electric energy meter, 2. terminal box, 3. light current connection terminal, 4. forceful electric power connection terminal, 5. test fixture, 6. power module, 7. thimble, 8. lead, 9. Acquisition Processor, 10. computing machine.
Embodiment
The utility model is described in further detail for embodiment below in conjunction with accompanying drawing
As shown in Figure 1, on the terminal box 2 sign numeral 7.-
The wiring pillar is a light current connection terminal 3, numeral 1.-4. wiring pillar is a forceful electric power connection terminal 4, the numeral of sign 7. the wiring pillar, 8. the wiring pillar is the electric pulse signal output leading-out terminal of electric energy meter 1,9. the wiring pillar, 10. the wiring pillar is a multifunctional signal output leading-out terminal
The wiring pillar,
The wiring pillar is 485 interface leading-out terminals, they are connected respectively to the Acquisition Processor 9 in the test fixture 5,1. wiring pillar in the forceful electric power connection terminal 4,2. the wiring pillar, 4. the power module 6, the power module 6 that are connected respectively in the test fixture 5 of wiring pillar is connected to Acquisition Processor 9, Acquisition Processor 9 is connected to computing machine 10, thimble 7 is connected with light current connection terminal 3, forceful electric power connection terminal 4 respectively, and is connected respectively to Acquisition Processor 9 and power module 6 with lead 8.
Fig. 2 is the electrical schematic diagram of Acquisition Processor of the present utility model.It is mainly by single-chip microcomputer U1 as can be known from Fig. 2, photoisolator U2 and U3, converter U4, fast transient suppresses diode TVS1, RS232 interface module D and capacitor C 1-C2, resistance R 1-R9 constitutes, the pin 8 one tunnel of single-chip microcomputer U1 is through capacitor C 1 ground connection, another road is connected to the voltage end Vdd of power module, pin 2,3 respectively through resistance R 2, R1 ground connection, pin 4 ground connection, pin 1 is connected to the pin 2 of converter U4 through R9, pin 3, the pin 6 one tunnel of U1 is connected to the voltage end Vdd of power module through resistance R 4, another road is connected to the pin 4 of photoisolator U3, pin 3 ground connection of U3, the pin 2 of U3 is connected to the pin 1 of converter U4 through resistance R 6, the pin 1 of U3 is connected to the voltage end Vcc of power module, the pin 7 of U1 joins through the pin 2 of resistance R 3 with photoisolator U2, the pin 1 of U2 is connected to the voltage end Vdd of power module, pin 3 ground connection, pin 4 one tunnel joins through the voltage end Vcc of resistance R 5 with power module, another road is connected to the pin 4 of converter U4, pin 5 ground connection of converter U4, pin 6 and fast transient suppress the diode TVS1 back one tunnel that joins and are connected to the voltage end Vcc of power module through resistance R 8, another road is connected to RS232 interface module D, pin 7 suppresses diode TVS1 with fast transient and joins back one tunnel through resistance R 7 ground connection, another road is connected to RS232 interface module D, pin 8 one tunnel meets the voltage end Vcc of power module, and another road is through capacitor C 2 ground connection.U1 is 8 single-chip microcomputers in the present embodiment; the main various data of handling electric energy meter 1, U4 is 485 converter, U2 and U3 are that photoisolator is isolated to realize the photoelectricity between U1 and the U4; TVS1 is that fast transient inhibition diode shields, and D is 485 serial ports RS 232 interfaces.
As Fig. 1, shown in Figure 2, during the work of electric energy meter multi-tester, open the power module 6 in the test fixture 5, and depress pressing plate (not marking among the figure), owing on the pressing plate thimble 7 is installed, add 220V voltage for the forceful electric power connection terminal 4 on electric energy meter 1 terminal box 2 by thimble 7 and lead 8, the 5A electric current, electric energy meter 1 work this moment, light current connection terminal 3 on electric energy meter 1 terminal box 2 is exported 485 signals respectively, the electric pulse signal, versatile interface signal (pps pulse per second signal, the requirement signal, period is carried and cuts signal), be delivered to Acquisition Processor 9 by thimble 7 and lead 8, Acquisition Processor 9 will be defeated by computing machine 10 after the data processing, whether computing machine 10 is differentiated the ammeter wiring automatically by dedicated test software correct.
The dedicated test software of computing machine 10 and 485 interface communications of electric energy meter 1, normal as communication, then the wiring of 485 interfaces is normal, on the contrary wiring error then.The versatile interface signal of Acquisition Processor 9 sampling electric energy meters 1 and for example, pulse per second (PPS) in electric energy meter 1 versatile interface and Acquisition Processor 9 benchmark pulse per second (PPS)s are relatively, comparative result is delivered to computing machine 10 by serial ports RS232 (as shown in Figure 2), and whether computing machine 10 is differentiated ammeter pulse per second (PPS) wiring automatically by dedicated test software correct.Electric pulse in the electric pulse output interface of Acquisition Processor 9 sampling electric energy meters 1 for another example, electric pulse and Acquisition Processor 9 benchmark electric pulses are relatively, comparative result is delivered to computing machine 10 by serial ports RS232 (as shown in Figure 2), and whether the electric pulse wiring that computing machine 10 is differentiated electric energy meter 1 automatically by dedicated test software is correct.
Claims (2)
1. electric energy meter multi-tester, comprise electric energy meter (1), terminal box (2), light current connection terminal (3), forceful electric power connection terminal (4) and computing machine (10) and by power module (6), thimble (7), the test fixture (5) that lead (8) and Acquisition Processor (9) constitute, it is characterized in that: the described power module (6) in the described test fixture (5) is connected with described Acquisition Processor (9) with described forceful electric power connection terminal (4) respectively, described Acquisition Processor (9) is connected with described computing machine (10) with described light current connection terminal (3) respectively, described thimble (7) is connected with described forceful electric power connection terminal (4) with described light current connection terminal (3) respectively, and is connected respectively to described Acquisition Processor (9) and described power module (6) with described lead (8); Described Acquisition Processor (9) is by single-chip microcomputer U1, photoisolator U2 and U3, converter U4, fast transient suppresses diode TVS1, RS232 interface module D and capacitor C 1-C2, resistance R 1-R9 constitutes, the pin 8 one tunnel of wherein said single-chip microcomputer U1 is through capacitor C 1 ground connection, another road is connected to the voltage end Vdd of described power module (6), pin 2,3 respectively through resistance R 2, R1 ground connection, pin 4 ground connection, pin 1 is connected to the pin 2 of described converter U4 through R9, pin 3, the pin 6 one tunnel of U1 is connected to the voltage end Vdd of described power module (6) through resistance R 4, another road is connected to the pin 4 of described photoisolator U3, pin 3 ground connection of U3, the pin 2 of U3 is connected to the pin 1 of described converter U4 through resistance R 6, the pin 1 of U3 is connected to the voltage end Vcc of described power module (6), the pin 7 of U1 joins through the pin 2 of resistance R 3 with described photoisolator U2, the pin 1 of U2 is connected to the voltage end Vdd of described power module (6), pin 3 ground connection, pin 4 one tunnel joins through the voltage end Vcc of resistance R 5 with described power module (6), another road is connected to the pin 4 of described converter U4, pin 5 ground connection of described converter U4, pin 6 and described fast transient suppress the diode TVS1 back one tunnel that joins and are connected to the voltage end Vcc of described power module (6) through resistance R 8, another road is connected to described RS232 interface module D, pin 7 suppresses diode TVS1 with described fast transient and joins back one tunnel through resistance R 7 ground connection, another road is connected to described RS232 interface module D, pin 8 one tunnel meets the voltage end Vcc of described power module (6), and another road is through capacitor C 2 ground connection.
2. electric energy meter multi-tester according to claim 1, it is characterized in that the numeral that identifies on the described terminal box 1.-4. the wiring pillar be described forceful electric power connection terminal (4), numeral 7.-
The wiring pillar is a described light current connection terminal (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206828323U CN202002991U (en) | 2010-12-23 | 2010-12-23 | Multifunctional inspection instrument for electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206828323U CN202002991U (en) | 2010-12-23 | 2010-12-23 | Multifunctional inspection instrument for electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202002991U true CN202002991U (en) | 2011-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206828323U Expired - Lifetime CN202002991U (en) | 2010-12-23 | 2010-12-23 | Multifunctional inspection instrument for electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202002991U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539989A (en) * | 2010-12-23 | 2012-07-04 | 上海金陵智能电表有限公司 | Multifunctional detecting instrument of electric energy meter |
| CN103605099A (en) * | 2013-11-22 | 2014-02-26 | 上海华岭集成电路技术股份有限公司 | Interface converting detection device and interface detection method |
-
2010
- 2010-12-23 CN CN2010206828323U patent/CN202002991U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539989A (en) * | 2010-12-23 | 2012-07-04 | 上海金陵智能电表有限公司 | Multifunctional detecting instrument of electric energy meter |
| CN103605099A (en) * | 2013-11-22 | 2014-02-26 | 上海华岭集成电路技术股份有限公司 | Interface converting detection device and interface detection method |
| CN103605099B (en) * | 2013-11-22 | 2016-04-13 | 上海华岭集成电路技术股份有限公司 | Interface conversion pick-up unit and interface detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111005 |