CN106383538A - Heavy current generator - Google Patents
Heavy current generator Download PDFInfo
- Publication number
- CN106383538A CN106383538A CN201610685395.2A CN201610685395A CN106383538A CN 106383538 A CN106383538 A CN 106383538A CN 201610685395 A CN201610685395 A CN 201610685395A CN 106383538 A CN106383538 A CN 106383538A
- Authority
- CN
- China
- Prior art keywords
- module
- transformer module
- output
- current generator
- voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/28—Provision in measuring instruments for reference values, e.g. standard voltage, standard waveform
Abstract
The invention discloses a heavy current generator comprising the following units: a voltage regulating module with an input end connected with a power supply and used for regulating the power supply voltage, and using the output end to output the regulated voltage; a transformer module with an input end connected with the output end of the voltage regulating module so as to receive the regulated voltage, the transformer module is used for amplifying current, so the output end of the transformer module can output the amplified current; a digit display module connected with the output end of the transformer module and used for displaying the output current value of the transformer module. The digit display module can display the amplified current value outputted by the transformer module, thus realizing current output value digitlization display; compared with a dial displayed value, the digitlization display value is more accurate, and the reading is convenient and high in accuracy.
Description
Technical field
A kind of the present invention relates to electric power meter technical field, it particularly relates to strong current generator.
Background technology
Strong current generator is a kind of power apparatus exporting adjustable low-voltage and high-current, is mainly used in instrument and meter
Measurement and calibration field, be also applied to the test field to relay and relay contact for the overcurrent.Particularly to instrument
Table carries out being widely used during factory calibration, and strong current generator can simulate real electric current environment and load capacity, to reach
To the accurate calibration in instrument gamut scope.Because the technology of strong current generator is relatively easy, have in the market
Substantial amounts of such product.
Strong current generator itself application stepless voltage regulation and just define the volume and weight of its own from RMD fing mode decoupling, defeated
Go out power bigger, corresponding volume is also bigger.Therefore strong current generator construction is fairly simple, volume is big and weight is big；Simultaneously
Fan-out capability is limited, and output effect is bad, and then makes its range of application also be subject to a definite limitation.And prior art is big
Current feedback circuit is typically shown to indicating value using simple dial plate, and does not have the function of numerical monitor, is not easy to carry out
Accurate measurement and digital applications.
For the problems referred to above in correlation technique, effective solution is not yet proposed at present.
Content of the invention
There is no for strong current generator in correlation technique the problem of digital displaying function, it is electric greatly that the present invention proposes one kind
Flow-generator, the digitized being capable of strong current generator output valve shows.
According to an aspect of the invention, it is provided a kind of strong current generator.
This strong current generator includes：Voltage regulating module, the input of voltage regulating module is connected to power supply, for regulation power supply
Voltage simultaneously adjusts voltage by the outfan output of voltage regulating module；Transformer module, the input of transformer module and pressure regulation mould
The outfan of block connects to receive regulation voltage, transformer module be used for amplifying electric current and pass through transformer module outfan defeated
Go out the electric current of amplification；And digital display module, it is connected to the outfan of transformer module, for showing the defeated of transformer module
Go out current value.
Preferably, digital display module is additionally operable to show the magnitude of voltage of transformer module output.
Preferably, digital display module is additionally operable to show the performance number of transformer module output.
Preferably, the maximum output current of transformer module is 400A.
Preferably, the current range of transformer module output is 10A～300A.
Preferably, the secondary coil of autotransformer is connected with copper bar to provide amplification electric current.
Preferably, also include：Current transformer, is connected between transformer module and digital display module, for putting
Big electric current is converted to less electric current to measure and to show.
Preferably, transformer module is autotransformer.
Preferably, voltage regulating module is stepless voltage regulating module.
Preferably, stepless voltage regulating module includes regulation handle, adjusts the defeated of transformer module by operating regulation handle
Go out electric current.
The present invention is shown it is achieved that electric current is defeated to the amplification electric current that transformer module exports by digital display module
The digitized going out value shows, compared with dial plate display indicating value, the degree of accuracy of indicating value is higher, and reading is more accurately, conveniently.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
Need use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only the present invention some enforcement
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also obtain according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the schematic diagram of strong current generator according to embodiments of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained, broadly fall into present invention protection
Scope.
According to embodiments of the invention, there is provided a kind of strong current generator.
Strong current generator according to embodiments of the present invention includes：
Voltage regulating module, the input of voltage regulating module is connected to power supply, and the voltage for regulation power supply simultaneously passes through voltage regulating module
Outfan output adjust voltage；
Transformer module, the input of transformer module is connected with the outfan of voltage regulating module to receive regulation voltage, becomes
Depressor module is used for the electric current amplifying electric current and amplifying by the outfan output of transformer module；
Digital display module, is connected to the outfan of transformer module, for showing the output current value of transformer module.
By digital display module, the electric current of the amplification that transformer module exports is shown it is achieved that high current occurs
The digitized of device output valve shows.Compared with dial plate display indicating value, the degree of accuracy of indicating value is higher, and reading is more convenient.
In one embodiment, digital display module is additionally operable to show the magnitude of voltage of transformer module output.
Further, digital display module is additionally operable to show the performance number of transformer module output.
In one embodiment, also include current transformer, be connected between transformer module and digital display module, use
In the electric current of amplification is converted to less electric current to measure and to show.
In one embodiment, transformer module is autotransformer.
With reference to Fig. 1, above-described embodiment is specifically described.As shown in figure 1, the inside of Portable instrument box 10
Including：
Voltage regulating module 11, the input of voltage regulating module 11 is connected to 220V alternating current power supply；
Autotransformer 12, the input of autotransformer 12 is connected with the outfan of voltage regulating module 11；
Current transformer 14, is connected on the outlet line of autotransformer 12；
Digital display module 13, is connected to the electricity on the outfan and autotransformer 12 outlet line of current transformer 14
Pressure measurement end 123.
After the input of 220V alternating current power supply, first pass around voltage regulating module 11 and carry out voltage-regulation, afterwards through autotransformer
12 carry out Current amplifier, on the outlet line of autotransformer 12, current transformer 14 and voltage measurement end 123 are connected to number
On word display module 13, formed between the first lead-out terminal 121 of 12 levels of autotransformer and the second lead-out terminal 122 and close
After closing loop, the numerical value of the voltage and current of digital display module 13 display output, can also show that autotransformer 12 exports
Performance number.
Wherein, according to practical application needs, the maximum output current of setting autotransformer is 400A.
Preferably, the current range of autotransformer output is 10A～300A.This output current is simultaneously not very big, therefore may be used
With the corresponding volume and weight reducing autotransformer.
Wherein, voltage regulating module is stepless voltage regulating module.When carrying out voltage-regulation, make the voltage curve of output smoother,
The regulation voltage that output will not be made produces mutation or stepped change, can freely adjust voltage in range of accommodation.Stepless-adjustment
Die block can be realized by potentiometer.
Preferably, stepless voltage regulating module includes regulation handle, by operating regulation handle come the tune that voltage regulating module is exported
Economize on electricity pressure is adjusted, and then adjusts the output current of autotransformer.It is capable of carrying out stepless changing to output current, and
Easily operated.
Further, since the secondary circuit section of autotransformer amasss very big, the therefore secondary coil of autotransformer and copper
Row connects to provide amplification electric current.
In sum, by means of the technique scheme of the present invention, by digital display module, transformer module is exported
Amplify electric current, voltage is shown it is achieved that the digitized of strong current generator output valve show, with dial plate display indicating value phase
The degree of accuracy of indicating value is higher, and reading is more convenient for ratio；Autotransformer is adjusted by the stepless voltage regulating module with regulation handle
Output current, simple to operate it is achieved that stepless changing to output current.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of strong current generator is it is characterised in that include：
Voltage regulating module, the input of described voltage regulating module is connected to power supply, for adjusting the voltage of described power supply and passing through described
The outfan output of voltage regulating module adjusts voltage；
Transformer module, the input of described transformer module is connected with the outfan of described voltage regulating module to receive described regulation
Voltage, described transformer module is used for the electric current amplifying electric current and amplifying by the outfan output of described transformer module；With
And
Digital display module, is connected to the outfan of described transformer module, for showing the output electricity of described transformer module
Flow valuve.
2. strong current generator according to claim 1 it is characterised in that
Described digital display module is additionally operable to show the magnitude of voltage of described transformer module output.
3. strong current generator according to claim 1 it is characterised in that
Described digital display module is additionally operable to show the performance number of described transformer module output.
4. strong current generator according to claim 1 it is characterised in that
The maximum output current of described transformer module is 400A.
5. strong current generator according to claim 4 it is characterised in that
The output current scope of described transformer module is 10A～300A.
6. strong current generator according to claim 1 it is characterised in that
The secondary coil of described transformer module is connected with copper bar to provide amplification electric current.
7. strong current generator according to claim 1 is it is characterised in that also include：
Current transformer, is connected between described transformer module and described digital display module, for by the electricity of described amplification
Circulation is changed to less electric current to measure and to show.
8. strong current generator according to claim 1 it is characterised in that
Described transformer module is autotransformer.
9. strong current generator according to claim 1 it is characterised in that
Described voltage regulating module is stepless voltage regulating module.
10. strong current generator according to claim 9 it is characterised in that
Described stepless voltage regulating module includes regulation handle, adjusts the defeated of described transformer module by operating described regulation handle
Go out electric current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610685395.2A CN106383538A (en) | 2016-08-18 | 2016-08-18 | Heavy current generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610685395.2A CN106383538A (en) | 2016-08-18 | 2016-08-18 | Heavy current generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106383538A true CN106383538A (en) | 2017-02-08 |
Family
ID=57916729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610685395.2A Pending CN106383538A (en) | 2016-08-18 | 2016-08-18 | Heavy current generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106383538A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2120378U (en) * | 1992-03-30 | 1992-10-28 | 金杏珍 | Portable adjustable current generator |
| CN2802836Y (en) * | 2004-12-13 | 2006-08-02 | 宝钢集团上海梅山有限公司 | Heavy-current generator |
| CN201365193Y (en) * | 2009-02-26 | 2009-12-16 | 常熟理工学院 | Compensation type high-current generation device |
| CN102081133A (en) * | 2010-12-08 | 2011-06-01 | 天津市翔晟远电力设备实业有限公司 | Intelligent transformer and equipment for detecting high voltage line |
| WO2013089448A1 (en) * | 2011-12-13 | 2013-06-20 | Geum Jong-Gwan | Automatic voltage regulator |
| CN204166019U (en) * | 2014-11-13 | 2015-02-18 | 中国葛洲坝集团股份有限公司 | A kind of easy device producing big current |
-
2016
- 2016-08-18 CN CN201610685395.2A patent/CN106383538A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2120378U (en) * | 1992-03-30 | 1992-10-28 | 金杏珍 | Portable adjustable current generator |
| CN2802836Y (en) * | 2004-12-13 | 2006-08-02 | 宝钢集团上海梅山有限公司 | Heavy-current generator |
| CN201365193Y (en) * | 2009-02-26 | 2009-12-16 | 常熟理工学院 | Compensation type high-current generation device |
| CN102081133A (en) * | 2010-12-08 | 2011-06-01 | 天津市翔晟远电力设备实业有限公司 | Intelligent transformer and equipment for detecting high voltage line |
| WO2013089448A1 (en) * | 2011-12-13 | 2013-06-20 | Geum Jong-Gwan | Automatic voltage regulator |
| CN204166019U (en) * | 2014-11-13 | 2015-02-18 | 中国葛洲坝集团股份有限公司 | A kind of easy device producing big current |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170208 |
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| RJ01 | Rejection of invention patent application after publication |