CN108562789A - A kind of split-core type meter identifying system - Google Patents
A kind of split-core type meter identifying system Download PDFInfo
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- CN108562789A CN108562789A CN201810607546.1A CN201810607546A CN108562789A CN 108562789 A CN108562789 A CN 108562789A CN 201810607546 A CN201810607546 A CN 201810607546A CN 108562789 A CN108562789 A CN 108562789A
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- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 210000000080 chela (arthropods) Anatomy 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses a kind of split-core type meter identifying systems, by the way that divider resistance is arranged in split-core type meter, and voltage identification circuit is set in a device, processor and pull-up resistor, pass through the first connecting pin, second connection end, the connection of equipment and split-core type meter is realized in third connecting pin and the 4th connecting pin, voltage identification circuit detects to obtain the voltage of the first connecting pin and is sent into processor, processor realizes that split-core type meter identifies using the voltage that voltage identification circuit is identified, overcome and needs to be manually entered split-core type meter type in the prior art, it is easy to select wrong or leakage choosing to lead to the incorrect technical problem of current value for measuring obtained equipment because of split-core type meter, the type of split-core type meter is identified using circuit, it is not only time saving and energy saving, and it can effectively improve production efficiency.
Description
Technical field
The present invention relates to split-core type meter field, especially a kind of split-core type meter identifying system.
Background technology
Split-core type meter is a kind of instrument for measuring the size of current for the electric wiring being currently running, can be the case where not powering off
Lower measurement electric current.Split-core type meter is substantially to have reaction force by a current transformer, pincerlike spanner and a rectifier type magnetoelectricity series
Instrument is formed.
Currently, equipment, after having connect split-core type meter, staff needs which kind of split-core type meter the setting in software is connected to, and works as pincers
When table selection is wrong or forgets selection, the current value of the equipment measured is wrong;At this point, staff needs to carry out
It is very time-consuming and laborious where problem can just be found after investigation, cause production efficiency low.
Invention content
In order to solve the above-mentioned technical problem, the object of the present invention is to provide a kind of split-core type meter identifying systems, realize split-core type meter identification.
The technical solution adopted in the present invention is:A kind of split-core type meter identifying system, including equipment and split-core type meter, the equipment include
Voltage identification circuit, processor, pull-up resistor, the first connecting pin and second connection end, the input terminal of the voltage identification circuit,
One end of pull-up resistor is connect with the first connecting pin, and the voltage identification circuit is used to detect the voltage of the first connecting pin;Institute
The input terminal of the output end and processor of stating voltage identification circuit connects, and the other end of the pull-up resistor is connect with power supply, institute
State second connection end ground connection;The split-core type meter includes divider resistance, third connecting pin and the 4th connecting pin, and the one of the divider resistance
End is connect with third connecting pin, and the other end of the divider resistance is connect with the 4th connecting pin;The divider resistance of different split-core type meters
It is of different sizes;When the equipment is connect with split-core type meter, first connecting pin is connect with third connecting pin, the second connection end with
4th connecting pin connects.
Further, the equipment further includes the cue circuit of the type for prompting split-core type meter that the equipment connected,
The output end of the processor and the input terminal of cue circuit connect.
Further, the cue circuit includes voice warning circuit or LED cue circuits.
Further, the voltage identification circuit and processor are the microcontroller with voltage identification function.
Further, the equipment further includes first interface, and the split-core type meter further includes second interface;First connecting pin
It is arranged on first interface with second connection end, the third connecting pin and the 4th connecting pin are arranged in second interface, described
It can fast insert-pull between first interface and second interface.
The beneficial effects of the invention are as follows:
A kind of split-core type meter identifying system of the present invention, by the way that divider resistance is arranged in split-core type meter, and setting voltage is known in a device
Other circuit, processor and pull-up resistor are realized by the first connecting pin, second connection end, third connecting pin and the 4th connecting pin
The connection of equipment and split-core type meter, voltage identification circuit detect to obtain the voltage of the first connecting pin and are sent into processor, and processor utilizes
The voltage that voltage identification circuit is identified realizes split-core type meter identification, overcomes and needs to be manually entered split-core type meter type in the prior art, is easy
Because split-core type meter selects wrong or leakage choosing to lead to the incorrect technical problem of current value for measuring obtained equipment, split-core type meter is identified using circuit
Type, it is not only time saving and energy saving, but also can effectively improve production efficiency.
The split-core type meter identifying system of the present invention can be widely applied to split-core type meter field, be identified for split-core type meter.
Description of the drawings
The specific implementation mode of the present invention is described further below in conjunction with the accompanying drawings:
Fig. 1 is an a kind of specific embodiment schematic diagram of split-core type meter identifying system of the present invention.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
A kind of split-core type meter identifying system, with reference to figure 1, Fig. 1 is that an a kind of specific implementation of split-core type meter identifying system of the present invention illustrates
It is intended to;Including equipment and split-core type meter, equipment includes voltage identification circuit, processor, pull-up resistor R1, the first connecting pin A and second
Connecting pin B, in the present embodiment, voltage identification circuit and processor are the microcontroller U1A with voltage identification function, the present embodiment
In, it is realized using the microcontroller of model STM32F427.Input terminal (the i.e. ends PA1 of microcontroller U1A of voltage identification circuit
Mouthful), one end of pull-up resistor R1 connect with the first connecting pin A, electricity of the voltage identification circuit for detecting the first connecting pin A
Pressure;The output end of voltage identification circuit and the input terminal of processor connect, and the other end of pull-up resistor R1 is connect with power supply VCC,
Second connection end B ground connection;Split-core type meter includes divider resistance R2, third connecting pin C and the 4th connecting pin D, one end of divider resistance R2
It is connect with third connecting pin C, the other end of divider resistance R2 is connect with the 4th connecting pin D;The divider resistance of different split-core type meters it is big
Small difference;When equipment is connect with split-core type meter, the first connecting pin A is connect with third connecting pin C, second connection end B and the 4th connecting pin D
Connection divides power supply VCC so that divider resistance R2 and pull-up resistor R1 composition bleeder circuits.
In the specific course of work, the divider resistance R2 of different resistance values is accessed in split-core type meter, as the split-core type meter of 5A meets 1000 Ω
Divider resistance, the split-core type meter of 100A connects the divider resistance etc. of 2000 Ω.According to the divider resistance accessed can obtain equipment with
When split-core type meter connects, the voltage swing of the first connecting pin;Different split-core type meters and the voltage of the first connecting pin are stored in microcontroller
Correspondence, then after split-core type meter is connect with equipment, by PA1 mouthfuls of voltage of monolithic machine testing, when equipment does not access split-core type meter, inspection
The voltage for measuring the first connecting pin is VCC;And after split-core type meter access device, divider resistance R2 is divided, according to detected
The difference of voltage of the first connecting pin may determine that accessed split-core type meter type.The technical program overcomes to be needed in the prior art
It is manually entered split-core type meter type, is easy to select wrong or leakage choosing to lead to the incorrect technology of current value for measuring obtained equipment because of split-core type meter
Problem, it is not only time saving and energy saving using the type of circuit automatic identification split-core type meter, but also can effectively improve production efficiency.
As being further improved for technical solution, with reference to figure 1, equipment further includes first interface CN1, and split-core type meter further includes second
Interface CN2;First connecting pin A and second connection end B are arranged on first interface CN1, third connecting pin C and the 4th connecting pin D
Be arranged on second interface CN2, then between first interface CN1 and second interface CN2 can fast insert-pull, when equipment need using pincers
When table measures electric current, first interface CN1 and second interface CN2 grafting are realized to the connection of equipment and split-core type meter, to carry out split-core type meter
Type identification, it is very efficient and convenient.
As being further improved for technical solution, equipment further includes carrying for the type for prompting split-core type meter that equipment connected
Show that circuit, the output end of processor and the input terminal of cue circuit connect.It is detected according to voltage identification circuit when processor
After voltage obtains split-core type meter type, staff can be made quickly to know the type of connected split-core type meter by cue circuit, saved worry
It is laborsaving.Specifically, cue circuit can be voice warning circuit or LED cue circuits, and voice warning circuit can be with voice broadcast
The type of split-core type meter, such as " 5A split-core type meters ", " 100A split-core type meters ";It can also be realized using LED cue circuits, LED cue circuit packets
The LED lamps of multiple colors are included, such as red, blue, green, red can represent 5A split-core type meters, and blue represents 20A split-core type meters, green generation
Table 100A split-core type meters.When then equipment accesses different split-core type meters, the LED light of color corresponding with split-core type meter lights, and facilitates staff quick
Know the type of split-core type meter.
It is to be illustrated to the preferable implementation of the present invention, but the invention is not limited to the implementation above
Example, those skilled in the art can also make various equivalent variations or be replaced under the premise of without prejudice to spirit of that invention
It changes, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (5)
1. a kind of split-core type meter identifying system, which is characterized in that including equipment and split-core type meter, the equipment includes voltage identification circuit, place
Manage device, pull-up resistor, the first connecting pin and second connection end, the input terminal of the voltage identification circuit, one end of pull-up resistor
It is connect with the first connecting pin, the voltage identification circuit is used to detect the voltage of the first connecting pin;The voltage identification circuit
Output end and the input terminal of processor connect, the other end of the pull-up resistor connect with power supply, and the second connection end connects
Ground;
The split-core type meter includes divider resistance, third connecting pin and the 4th connecting pin, and one end of the divider resistance is connect with third
End connection, the other end of the divider resistance are connect with the 4th connecting pin;The divider resistance of different split-core type meters it is of different sizes;
When the equipment is connect with split-core type meter, first connecting pin is connect with third connecting pin, the second connection end and the 4th
Connecting pin connects.
2. a kind of split-core type meter identifying system according to claim 1, which is characterized in that the equipment further includes for prompting
The cue circuit of the type for the split-core type meter that equipment is connected is stated, the output end of the processor and the input terminal of cue circuit connect.
3. a kind of split-core type meter identifying system according to claim 2, which is characterized in that the cue circuit includes voice prompt
Circuit or LED cue circuits.
4. a kind of split-core type meter identifying system according to any one of claims 1 to 3, which is characterized in that the voltage identification electricity
Road and processor are the microcontroller with voltage identification function.
5. a kind of split-core type meter identifying system according to any one of claims 1 to 3, which is characterized in that the equipment further includes
First interface, the split-core type meter further include second interface;First connecting pin and second connection end are arranged on first interface, institute
It states third connecting pin and the 4th connecting pin to be arranged in second interface, can quickly be inserted between the first interface and second interface
It pulls out.
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CN201810607546.1A CN108562789A (en) | 2018-06-13 | 2018-06-13 | A kind of split-core type meter identifying system |
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CN201810607546.1A CN108562789A (en) | 2018-06-13 | 2018-06-13 | A kind of split-core type meter identifying system |
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Citations (9)
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CN101030189A (en) * | 2007-03-09 | 2007-09-05 | 华为技术有限公司 | Method for inspecting connected peripheral apparatus mode, terminal, earphone, charger and USB interface |
CN101398459A (en) * | 2008-10-28 | 2009-04-01 | 深圳华为通信技术有限公司 | Method and device for identifying charger type |
JP2009186310A (en) * | 2008-02-06 | 2009-08-20 | Hioki Ee Corp | Method and device for distinguishing output types of clamp sensors |
CN105092928A (en) * | 2015-07-23 | 2015-11-25 | 高超 | Digital clamp meter and automatic measurement method |
CN105891584A (en) * | 2016-06-06 | 2016-08-24 | 海盐新跃电器有限公司 | High-accuracy wide-measurement-range interchangeable and correctable clamp ammeter |
CN205562650U (en) * | 2016-04-25 | 2016-09-07 | 优利德科技(中国)有限公司 | Split -core type meter is independently measured to bimodulus with binding clip is measured and pen -shape metre is measured |
CN205910244U (en) * | 2016-06-06 | 2017-01-25 | 海盐新跃电器有限公司 | Current clamp table of interchangeable correction |
CN206960557U (en) * | 2017-06-29 | 2018-02-02 | 广州视源电子科技股份有限公司 | Model identification circuit |
CN208477014U (en) * | 2018-06-13 | 2019-02-05 | 深圳市科陆精密仪器有限公司 | A kind of split-core type meter identifying system |
-
2018
- 2018-06-13 CN CN201810607546.1A patent/CN108562789A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101030189A (en) * | 2007-03-09 | 2007-09-05 | 华为技术有限公司 | Method for inspecting connected peripheral apparatus mode, terminal, earphone, charger and USB interface |
JP2009186310A (en) * | 2008-02-06 | 2009-08-20 | Hioki Ee Corp | Method and device for distinguishing output types of clamp sensors |
CN101398459A (en) * | 2008-10-28 | 2009-04-01 | 深圳华为通信技术有限公司 | Method and device for identifying charger type |
CN105092928A (en) * | 2015-07-23 | 2015-11-25 | 高超 | Digital clamp meter and automatic measurement method |
CN205562650U (en) * | 2016-04-25 | 2016-09-07 | 优利德科技(中国)有限公司 | Split -core type meter is independently measured to bimodulus with binding clip is measured and pen -shape metre is measured |
CN105891584A (en) * | 2016-06-06 | 2016-08-24 | 海盐新跃电器有限公司 | High-accuracy wide-measurement-range interchangeable and correctable clamp ammeter |
CN205910244U (en) * | 2016-06-06 | 2017-01-25 | 海盐新跃电器有限公司 | Current clamp table of interchangeable correction |
CN206960557U (en) * | 2017-06-29 | 2018-02-02 | 广州视源电子科技股份有限公司 | Model identification circuit |
CN208477014U (en) * | 2018-06-13 | 2019-02-05 | 深圳市科陆精密仪器有限公司 | A kind of split-core type meter identifying system |
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