CN110320404A - A kind of analog-to-digital conversion sensor - Google Patents
A kind of analog-to-digital conversion sensor Download PDFInfo
- Publication number
- CN110320404A CN110320404A CN201910706353.6A CN201910706353A CN110320404A CN 110320404 A CN110320404 A CN 110320404A CN 201910706353 A CN201910706353 A CN 201910706353A CN 110320404 A CN110320404 A CN 110320404A
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- Prior art keywords
- analog
- digital conversion
- output board
- current divider
- tie point
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 83
- 238000004891 communication Methods 0.000 claims description 15
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005672 electromagnetic field Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
-
- 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
- G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
- G01R1/203—Resistors used for electric measuring, e.g. decade resistors standards, resistors for comparators, series resistors, shunts
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
The invention discloses a kind of analog-to-digital conversion sensors.Including analog-to-digital conversion output board, current divider and tie point；The resistor body two sides of the current divider are arranged in the tie point；Connecting hole is provided on the analog-to-digital conversion output board；The connecting hole matches with the tie point；Analog-to-digital conversion output board is connected with the current divider by the connecting hole and the tie point；The analog-to-digital conversion output board is exported for the analog signal that the current divider generates to be converted to digital signal.Analog-to-digital conversion output board is not tightly attached on current divider by the present invention using digital signal by the characteristic of magnetic interference, is greatly reduced current divider analog signal output and is enclosed earnestly area, to reduce magnetic interference.And the tie point route on analog-to-digital conversion output board can be routed according to the anti-magnetic interference of electromagnetic laws flexible design.
Description
Technical field
The present invention relates to analog-to-digital conversion fields, more particularly to a kind of analog-to-digital conversion sensor.
Background technique
Current divider is widely used in the fields such as instrument and meter, complete electronic set, automation control, rise current limliting, stream and
The effects of sample detection；Current divider have many advantages, such as high sensitivity, response it is fast, it is linear preferably, temperature-coefficient of electrical resistance it is small, especially
It is widely used in the metering and detection of electric current.Very widely used today current divider is separately connected sampling line at resistor disc both ends will
Analog signal transmission is to circuit board, according to the law of electromagnetic induction: any flux change can all generate induced electricity in the closed circuit
Stream, any alternating current all can generate electromagnetic field in space.What the sampling line that current divider is connected to circuit board generated encloses earnestly area
It is highly susceptible to the interference of electromagnetic field, it is bigger more receiving the interference of electromagnetic field greatly to enclose earnestly area, seriously affects current divider output signal
Correctness.
Summary of the invention
The object of the present invention is to provide a kind of analog-to-digital conversion sensors, enclose earnestly face to reduce current divider analog signal output
Product, reduces magnetic interference, more accurate converts analog signals into digital signal.
To achieve the above object, the present invention provides following schemes:
A kind of analog-to-digital conversion sensor, including analog-to-digital conversion output board, current divider and tie point；The tie point setting
In the resistor body two sides of the current divider；Connecting hole is provided on the analog-to-digital conversion output board；The connecting hole and the company
Contact matches；Analog-to-digital conversion output board is connected with the current divider by the connecting hole and the tie point；It is described
Analog-to-digital conversion output board is exported for the analog signal that the current divider generates to be converted to digital signal.
Optionally, the analog-to-digital conversion output board includes digital communication end and wiring board；It is set on the wiring board
It is equipped with connecting hole；The digital communication end is used to export the digital signal after conversion.
Optionally, modulus conversion chip and filter element are additionally provided on the analog-to-digital conversion output board.
Optionally, the analog-to-digital conversion output board is additionally provided with power input, for for the modulus conversion chip with
And the filter element provides power supply.
Optionally, the tie point includes at least two.
Optionally, mounting hole is provided on the current divider.
A kind of analog-to-digital conversion sensor, including analog-to-digital conversion output board, current divider and tie point；The tie point setting
In the resistor body two sides of the current divider；Connecting hole is provided on the analog-to-digital conversion output board；Shown analog-to-digital conversion output board
Including first line plate, through-hole is provided on the first line plate；The connecting hole matches with the tie point；Modulus turns
It changes output board and is connected with the current divider by the connecting hole and the tie point；The analog-to-digital conversion output board is used for
The analog signal that the current divider generates is converted to digital signal to export；The analog-to-digital conversion output board includes number letter
Number communication terminal, the digital communication end are used to export the digital signal after conversion；It is set on the first line plate
It is equipped with through-hole, the through-hole matches with the digital communication end.
Optionally, the analog-to-digital conversion output board further includes the second wiring board, is provided with connection on second wiring board
Hole.
Optionally, the tie point includes at least two.
Compared with prior art, the present invention has following technical effect that the output letter of analog-to-digital conversion output board in the present invention
Number be digital signal, analog-to-digital conversion output board is not tightly attached on current divider by the characteristic of magnetic interference using digital signal, greatly
The earth reduces current divider analog signal output and encloses earnestly area, to reduce magnetic interference.And on analog-to-digital conversion output board
Tie point route can be routed according to the anti-magnetic interference of electromagnetic laws flexible design.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of one analog-to-digital conversion sensor of the embodiment of the present invention；
Fig. 2 is the overall schematic of one analog-to-digital conversion sensor of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of two analog-to-digital conversion sensor of the embodiment of the present invention；
Fig. 4 is the mounted reverse side schematic diagram of two analog-to-digital conversion sensor of the embodiment of the present invention；
Fig. 5 is the two mounted front schematic view of analog-to-digital conversion sensor of the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of analog-to-digital conversion sensors, enclose earnestly face to reduce current divider analog signal output
Product, reduces magnetic interference, more accurate converts analog signals into digital signal.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Embodiment one:
As shown in Figure 1, analog-to-digital conversion sensor includes analog-to-digital conversion output board 1, current divider 2 and tie point 3.The company
The resistor body two sides of the current divider 1 are arranged in contact 3.The analog-to-digital conversion output board 1 include digital communication end 13 with
And wiring board 12, be provided with connecting hole 11 on the wiring board 12, the digital communication end be used to convert after number
Signal is exported.The connecting hole 11 matches with the tie point 3；Analog-to-digital conversion output board 1 and the current divider 2 pass through
The connecting hole 11 and the tie point 3 are connected, and are tightly attached to analog-to-digital conversion output board 1 on current divider 2.The modulus turns
Output board 1 is changed to export for the analog signal that the current divider 2 generates to be converted to digital signal.
The tie point 3 includes at least two.
Modulus conversion chip, filter element and power input are additionally provided on the analog-to-digital conversion output board 1.Power supply
Input terminal is used to provide power supply for the modulus conversion chip and the filter element.
Mounting hole 21 is provided on the current divider, for installing ramp.
Tie point is fixed with connecting hole by riveting or welding, mounted analog-to-digital conversion sensor such as Fig. 2 institute
Show.
Embodiment two:
As shown in figure 3, analog-to-digital conversion sensor includes analog-to-digital conversion output board 1, current divider 2, tie point 3.The connection
The resistor body two sides of the current divider 2 are arranged in point 3.The tie point 3 includes at least two.The analog-to-digital conversion output board 1
Including the second wiring board 12, connecting hole 11 is provided on second wiring board 12.The connecting hole 11 and 3 phase of tie point
Matching.Analog-to-digital conversion output board 1 is connected with the current divider 2 by the connecting hole 11 and the tie point 3.The mould
Number conversion output board 1 is exported for the analog signal that the current divider 2 generates to be converted to digital signal.The modulus turns
Changing output board 1 further includes digital communication end 13, the digital communication end 13 be used for will convert after digital signal into
Row output.The analog-to-digital conversion output board 1 further includes first line plate 14, and through-hole 141, institute are provided on the first line plate
Through-hole 141 is stated to match with the digital communication end 13.Analog-to-digital conversion output board 1 is tightly attached to 2 on current divider, is greatly subtracted
Current divider analog signal output is lacked and has enclosed earnestly area, to reduce magnetic interference.
Mounting hole 21 is provided on the current divider, for installing ramp.
Tie point is fixed with connecting hole by riveting or welding, mounted analog-to-digital conversion sensor such as Fig. 4, figure
Shown in 5.
The specific embodiment provided according to the present invention, the invention discloses following technical effects: analog-to-digital conversion in the present invention
The output signal of output board is digital signal, is not close to analog-to-digital conversion output board by the characteristic of magnetic interference using digital signal
On current divider, greatly reduces current divider analog signal output and enclose earnestly area, to reduce magnetic interference.And modulus
Converting the tie point route on output board can be routed according to the anti-magnetic interference of electromagnetic laws flexible design.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification is not
It is interpreted as limitation of the present invention.
Claims (9)
1. a kind of analog-to-digital conversion sensor, which is characterized in that including analog-to-digital conversion output board, current divider and tie point；It is described
The resistor body two sides of the current divider are arranged in tie point；Connecting hole is provided on the analog-to-digital conversion output board；The connection
Hole matches with the tie point；Analog-to-digital conversion output board and the current divider pass through the connecting hole and the tie point phase
Connection；The analog-to-digital conversion output board is exported for the analog signal that the current divider generates to be converted to digital signal.
2. analog-to-digital conversion sensor according to claim 1, which is characterized in that the analog-to-digital conversion output board includes number
Signal communication end and wiring board；Connecting hole is provided on the wiring board；The digital communication end will be for after converting
Digital signal exported.
3. analog-to-digital conversion sensor according to claim 1, which is characterized in that also set up on the analog-to-digital conversion output board
There are modulus conversion chip and filter element.
4. analog-to-digital conversion sensor according to claim 3, which is characterized in that the analog-to-digital conversion output board is additionally provided with
Power input, for providing power supply for the modulus conversion chip and the filter element.
5. analog-to-digital conversion sensor according to claim 1, which is characterized in that the tie point includes at least two.
6. analog-to-digital conversion sensor according to claim 1, which is characterized in that be provided with mounting hole on the current divider.
7. a kind of analog-to-digital conversion sensor, which is characterized in that including analog-to-digital conversion output board, current divider and tie point；It is described
The resistor body two sides of the current divider are arranged in tie point；Connecting hole is provided on the analog-to-digital conversion output board；Shown modulus
Converting output board includes first line plate, is provided with through-hole on the first line plate；The connecting hole and the tie point phase
Matching；Analog-to-digital conversion output board is connected with the current divider by the connecting hole and the tie point；The modulus turns
Output board is changed to export for the analog signal that the current divider generates to be converted to digital signal；The analog-to-digital conversion output
Plate includes digital communication end, and the digital communication end is used to export the digital signal after conversion；Described
Through-hole is provided on one wiring board, the through-hole matches with the digital communication end.
8. analog-to-digital conversion sensor according to claim 7, which is characterized in that the analog-to-digital conversion output board further includes
Two wiring boards are provided with connecting hole on second wiring board.
9. analog-to-digital conversion sensor according to claim 7, which is characterized in that the tie point includes at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910706353.6A CN110320404B (en) | 2019-08-01 | 2019-08-01 | Analog-to-digital conversion sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910706353.6A CN110320404B (en) | 2019-08-01 | 2019-08-01 | Analog-to-digital conversion sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110320404A true CN110320404A (en) | 2019-10-11 |
| CN110320404B CN110320404B (en) | 2024-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910706353.6A Active CN110320404B (en) | 2019-08-01 | 2019-08-01 | Analog-to-digital conversion sensor |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20210382092A1 (en) * | 2020-06-09 | 2021-12-09 | Wieland-Werke Ag | Method for producing a device for measuring current intensities and device for measuring current intensities |
| WO2023202855A1 (en) * | 2022-04-22 | 2023-10-26 | Isabellenhütte Heusler Gmbh & Co. Kg | Current measuring device and associated production method |
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Cited By (3)
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|---|---|---|---|---|
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| US11821922B2 (en) * | 2020-06-09 | 2023-11-21 | Wieland-Werke Ag | Method for producing a device for measuring current intensities and device for measuring current intensities |
| WO2023202855A1 (en) * | 2022-04-22 | 2023-10-26 | Isabellenhütte Heusler Gmbh & Co. Kg | Current measuring device and associated production method |
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| Publication number | Publication date |
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| CN110320404B (en) | 2024-08-09 |
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