CN203313072U - Power supply circuit of electrical-energy data verification tool - Google Patents
Power supply circuit of electrical-energy data verification tool Download PDFInfo
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- CN203313072U CN203313072U CN2013201287090U CN201320128709U CN203313072U CN 203313072 U CN203313072 U CN 203313072U CN 2013201287090 U CN2013201287090 U CN 2013201287090U CN 201320128709 U CN201320128709 U CN 201320128709U CN 203313072 U CN203313072 U CN 203313072U
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Abstract
The utility model relates to a power supply circuit of an electrical-energy data verification tool. The circuit includes an adjustable resistor, a transformer, a full-bridge inverter circuit, a third capacitor, a forth capacitor, a fifth capacitor, a first capacitor, a second capacitor, a three-terminal voltage stabilizing chip, a first diode, a second diode and a DC power supply, which form sequentially connected transformation, rectification and voltage stabilizing modules so that voltage conversion is realized. Compared with the prior art, the power supply circuit of the electrical-energy data verification tool is great in practicality and capable of improving work stability of the electrical-energy data verification tool.
Description
Technical field
The utility model relates to a kind of power circuit, especially relates to the power circuit that a kind of electric energy data is checked instrument.
Background technology
The Data Source become more meticulous when the foreground partition line loss mainly is divided into supply side and sale of electricity side, because of the relative complexity of platform district supply network and the diversity of electricity consumption, is the difficult point of line loss management as ，Tai district, line loss unit line loss always.In actual line loss management work, for the abnormal De Tai of line loss district, controversial situation often often appears in a part of platform district, namely for the traditional method of sale of electricity side electric weight, does not all see what problem is arranged, but line loss rate calculating is very large.Because the supply side data source is more single, for controversial district, at first need to determine the accuracy of supply side data.Current have two kinds usually for this problem, and the first is to change table, and the second is two table paired runnings.These two kinds of modes all need the user is had a power failure, and have reduced power supply reliability and energy data availability factor, and issue table is torn the cycle that the rear censorship of table need to be grown open, for the table of this no problem, is a kind of waste.Therefore, need to can check electric weight energy data by a kind of instrument, analyze and the abnormal reason of definite line loss, the design of its power module can affect to a great extent electric energy data and check tool availability.
The utility model content
The purpose of this utility model be exactly in order to overcome the defect that above-mentioned prior art exists, provide a kind of practicality good, can improve the power circuit that electric energy data is checked tool work stability.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of electric energy data is checked the power circuit of instrument, comprise adjustable resistance, transformer, full bridge inverter, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the first electric capacity, the second electric capacity, the three-terminal voltage-stabilizing chip, the first diode, the second diode and a DC power supply, the transformer input connects the external communication source, adjustable resistance is connected between two input terminals of transformer input, the output of transformer connects the input of full bridge inverter, a lead-out terminal of full bridge inverter output connects the input terminal of three-terminal voltage-stabilizing chip, another lead-out terminal ground connection of full bridge inverter output, after the 3rd electric capacity and the 4th Capacitance parallel connection, the one end connects the input terminal of three-terminal voltage-stabilizing chip, other end ground connection, the lead-out terminal of described three-terminal voltage-stabilizing chip connects the 5th electric capacity, one end of the first electric capacity and the anode of the first diode, the other end ground connection of the 5th electric capacity and the first electric capacity, the negative electrode of the first diode connects an end of the second electric capacity and the negative electrode of the second diode, the other end ground connection of the second electric capacity, the minus earth of described DC power supply, the anodal anode that connects the second diode, the first via that the lead-out terminal of described three-terminal voltage-stabilizing chip is drawn as power circuit is exported, export on the second tunnel that the negative electrode of the first diode is drawn as power circuit.
Described the 3rd electric capacity, the 5th electric capacity and the second electric capacity are electrochemical capacitor, and an end of its ground connection is negative pole.
Compared with prior art, the utility model, by reasonable circuit structure design, can be converted into the power supply of input to meet the voltage that each chip requires, and guarantees that electric energy data checks job stability and the practicality of instrument.
The accompanying drawing explanation
Fig. 1 is electrical block diagram of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Embodiment
A kind of electric energy data is checked the power circuit of instrument, its particular circuit configurations as shown in Figure 1, comprises adjustable resistance R, transformer TC, full bridge inverter VD, the 3rd capacitor C 3, the 4th capacitor C 4, the 5th capacitor C 5, the first capacitor C 1, the second capacitor C 2, three-terminal voltage-stabilizing chip IC, the first diode D1, the second diode D2 and a DC power supply S.Transformer TC input connects the external communication source, adjustable resistance R is connected between two input terminals of transformer TC input, the output of transformer TC connects the input of full bridge inverter VD, a lead-out terminal of full bridge inverter VD output connects the input terminal of three-terminal voltage-stabilizing chip IC, another lead-out terminal ground connection of full bridge inverter VD output, after the 3rd capacitor C 3 and the 4th capacitor C 4 parallel connections, the one end connects the input terminal of three-terminal voltage-stabilizing chip IC, other end ground connection, the lead-out terminal of described three-terminal voltage-stabilizing chip IC connects the 5th capacitor C 5, one end of the first capacitor C 1 and the anode of the first diode D1, the other end ground connection of the 5th capacitor C 5 and the first capacitor C 1, the negative electrode of the first diode D1 connects an end of the second capacitor C 2 and the negative electrode of the second diode D2, the other end ground connection of the second capacitor C 2, the minus earth of described DC power supply S, the anodal anode that connects the second diode D2, the lead-out terminal of described three-terminal voltage-stabilizing chip IC is drawn the first via output O1 as power circuit, the negative electrode of the first diode D1 is drawn the second tunnel output 02 as power circuit.Wherein, the 3rd capacitor C 3, the 5th capacitor C 5 and the second capacitor C 2 are electrochemical capacitor, and an end of its ground connection is negative pole.
This power circuit designs by Rational structure, the power supply of input can be converted into and meet the voltage that each chip requires, and guarantees that electric energy data checks job stability and the practicality of instrument.
Claims (2)
1. an electric energy data is checked the power circuit of instrument, it is characterized in that, comprise adjustable resistance, transformer, full bridge inverter, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the first electric capacity, the second electric capacity, the three-terminal voltage-stabilizing chip, the first diode, the second diode and a DC power supply, the transformer input connects the external communication source, adjustable resistance is connected between two input terminals of transformer input, the output of transformer connects the input of full bridge inverter, a lead-out terminal of full bridge inverter output connects the input terminal of three-terminal voltage-stabilizing chip, another lead-out terminal ground connection of full bridge inverter output, after the 3rd electric capacity and the 4th Capacitance parallel connection, the one end connects the input terminal of three-terminal voltage-stabilizing chip, other end ground connection, the lead-out terminal of described three-terminal voltage-stabilizing chip connects the 5th electric capacity, one end of the first electric capacity and the anode of the first diode, the other end ground connection of the 5th electric capacity and the first electric capacity, the negative electrode of the first diode connects an end of the second electric capacity and the negative electrode of the second diode, the other end ground connection of the second electric capacity, the minus earth of described DC power supply, the anodal anode that connects the second diode, the first via that the lead-out terminal of described three-terminal voltage-stabilizing chip is drawn as power circuit is exported, export on the second tunnel that the negative electrode of the first diode is drawn as power circuit.
2. a kind of electric energy data according to claim 1 is checked the power circuit of instrument, it is characterized in that, described the 3rd electric capacity, the 5th electric capacity and the second electric capacity are electrochemical capacitor, and an end of its ground connection is negative pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201287090U CN203313072U (en) | 2013-03-20 | 2013-03-20 | Power supply circuit of electrical-energy data verification tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201287090U CN203313072U (en) | 2013-03-20 | 2013-03-20 | Power supply circuit of electrical-energy data verification tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203313072U true CN203313072U (en) | 2013-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201287090U Expired - Lifetime CN203313072U (en) | 2013-03-20 | 2013-03-20 | Power supply circuit of electrical-energy data verification tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203313072U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111030445A (en) * | 2018-10-09 | 2020-04-17 | 西安智盛锐芯半导体科技有限公司 | Voltage conversion circuit with multiple power supply interfaces adapted |
-
2013
- 2013-03-20 CN CN2013201287090U patent/CN203313072U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111030445A (en) * | 2018-10-09 | 2020-04-17 | 西安智盛锐芯半导体科技有限公司 | Voltage conversion circuit with multiple power supply interfaces adapted |
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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: 20131127 |