Multifunctional detecting instrument of electric energy meter
A multi-functional technology for electric energy meters, applied in the field of functional detection of electric energy meters, can solve problems such as lowering work efficiency, errors, and easy wrong connection of output leads
Inactive Publication Date: 2012-07-04
SHANGHAI JINLING INTELLIGENT ELECTRIC METER
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Problems solved by technology
[0002] As we all know, there are many lead wires of strong and weak current terminals in the front and rear rows of the terminal button box of the electronic energy meter, especially the output leads of the weak current terminals, such as 485 interface, multi-function interface, pulse output interface, etc., and when the energy meter is assembled , these output leads are prone to misconnection
So far, manual visual inspection has been used to check whether it is correct or not, which is easy to miss, causing unnecessary errors and reducing work efficiency
Method used
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[0009] The present invention will be further described below in conjunction with the accompanying drawings to cite embodiments
[0010] Such as figure 1 Shown, the number marked on the terminal box 2 The connecting post is the weak current terminal 3, the number ①-④ connecting post is the strong electric terminal 4, the marked number ⑦ and the ⑧ connecting post are the output terminals of the electric energy pulse signal of the electric energy meter 1, and the ⑨ connecting post and ⑩ connecting post It is a multi-function signal output terminal, terminal post, The wiring posts are the lead-out terminals of the 485 interface, and they are respectively connected to the acquisition processor 9 in the test fixture 5, and the ① wiring post, ② wiring post, and ④ wiring post in the strong current terminal 4 are respectively connected to the power module in the test fixture 5 6. The power supply module 6 is connected to the acquisition processor 9 again, and the acquisition proc...
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The invention provides a multifunctional detecting instrument of an electric energy meter. The multifunctional detecting instrument mainly comprises the electric energy meter, a terminal box, strong and weak current connecting terminals and a computer as well as a test fixture which is composed of a power supply module, a thimble, a wire and a collecting processor, wherein the power supply module is connected with the strong current connecting terminal and the collecting processor, and the collecting processor is connected with the weak current connecting terminal and the computer; the thimble is respectively connected with the strong and weak current connecting terminals and is connected to the power supply module and the collecting processor through the wire; and the collecting processor is composed 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 diodes, the thimble and the like one by one. The multifunctional detecting instrument of the electric energy meter provided by the invention can distinguish whether different wirings of the electric energy meter such as 485 and the like are exact, the operating efficiency is improved, and the multifunctional detecting instrument is suitable for multiple functional detections of various models.
Description
technical field [0001] The invention relates to a function detection of an electric energy meter, in particular to a multifunctional detection instrument for an electric energy meter, which belongs to the detection device of a measuring instrument. Background technique [0002] As we all know, there are many lead wires of strong and weak current terminals in the front and rear rows of the terminal button box of the electronic energy meter, especially the output leads of the weak current terminals, such as 485 interface, multi-function interface, pulse output interface, etc., and when the energy meter is assembled , these output leads are easily misconnected. So far, manual visual inspection has been used to check whether it is correct or not, which is easy to miss, causing unnecessary errors and reducing work efficiency. Contents of the invention [0003] The purpose of the present invention is to provide a multi-functional detector for electric energy meters which can ac...
Claims
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IPC IPC(8): G01R31/02G01R35/04
Inventor 张永法张麒王艳梅
Owner SHANGHAI JINLING INTELLIGENT ELECTRIC METER