CN210376508U - Analog-digital conversion sensor - Google Patents
Analog-digital conversion sensor Download PDFInfo
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- CN210376508U CN210376508U CN201921232649.0U CN201921232649U CN210376508U CN 210376508 U CN210376508 U CN 210376508U CN 201921232649 U CN201921232649 U CN 201921232649U CN 210376508 U CN210376508 U CN 210376508U
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Abstract
The utility model discloses an analog-to-digital conversion sensor. The device comprises an analog-to-digital conversion output plate, a current divider and a connection point; the connecting points are arranged on two sides of the resistor body of the shunt; the analog-to-digital conversion output plate is provided with a connecting hole; the connecting hole is matched with the connecting point; the analog-to-digital conversion output plate is connected with the shunt through the connecting hole and the connecting point; the analog-to-digital conversion output board is used for converting the analog signals generated by the current divider into digital signals to be output. The utility model discloses utilize digital signal not to receive magnetic field interference's characteristic to hug closely analog-to-digital conversion output board on the shunt, reduced shunt analog signal output widely and enclosed the area to magnetic field interference has been reduced. And the connection point circuit on the analog-to-digital conversion output board can flexibly design the wiring resisting the magnetic field interference according to the electromagnetic law.
Description
Technical Field
The utility model relates to an analog-to-digital conversion field especially relates to an analog-to-digital conversion sensor.
Background
The current divider is widely applied to the fields of instruments, electronic machines, automatic control and the like, and plays roles in current limiting, current equalizing, sampling detection and the like; the current divider has the advantages of high sensitivity, quick response, good linearity, small resistance temperature coefficient and the like, and is particularly applied to the measurement and detection of current in large quantities. The shunt that now widely used connects the sampling line respectively at resistance card both ends and transmits analog signal to the circuit board, according to the electromagnetic induction law: any change in magnetic flux will induce a current in the closed loop and any alternating current will create an electromagnetic field in space. The area of the shunt connected to the sampling line of the circuit board is easily interfered by the electromagnetic field, and the larger the area of the shunt is, the larger the interference of the electromagnetic field is, so that the correctness of the output signal of the shunt is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an analog-to-digital conversion sensor for reduce shunt analog signal output and enclose and solicit the area, reduced magnetic field interference, more accurate convert analog signal into digital signal.
In order to achieve the above object, the utility model provides a following scheme:
an analog-to-digital conversion sensor comprises an analog-to-digital conversion output plate, a current divider and a connection point; the connecting points are arranged on two sides of the resistor body of the shunt; the analog-to-digital conversion output plate is provided with a connecting hole; the connecting hole is matched with the connecting point; the analog-to-digital conversion output plate is connected with the shunt through the connecting hole and the connecting point; the analog-to-digital conversion output board is used for converting the analog signals generated by the current divider into digital signals to be output.
Optionally, the analog-to-digital conversion output board includes a digital signal communication end and a circuit board; the circuit board is provided with a connecting hole; and the digital signal communication end is used for outputting the converted digital signal.
Optionally, an analog-to-digital conversion chip and a filter element are further disposed on the analog-to-digital conversion output board.
Optionally, the analog-to-digital conversion output board is further provided with a power input end for providing power for the analog-to-digital conversion chip and the filter element.
Optionally, the connection points include at least two.
Optionally, the flow divider is provided with a mounting hole.
An analog-to-digital conversion sensor comprises an analog-to-digital conversion output plate, a current divider and a connection point; the connecting points are arranged on two sides of the resistor body of the shunt; the analog-to-digital conversion output plate is provided with a connecting hole; the analog-digital conversion output board comprises a first circuit board, and a through hole is formed in the first circuit board; the connecting hole is matched with the connecting point; the analog-to-digital conversion output plate is connected with the shunt through the connecting hole and the connecting point; the analog-to-digital conversion output board is used for converting the analog signal generated by the current divider into a digital signal for output; the analog-to-digital conversion output board comprises a digital signal communication end, and the digital signal communication end is used for outputting the converted digital signal; the first circuit board is provided with a through hole, and the through hole is matched with the digital signal communication end.
Optionally, the analog-to-digital conversion output board further includes a second circuit board, and the second circuit board is provided with a connection hole.
Optionally, the connection points include at least two.
Compared with the prior art, the utility model discloses following technological effect has: the utility model discloses well analog-to-digital conversion output board's output signal is digital signal, utilizes digital signal not to hug closely analog-to-digital conversion output board on the shunt by magnetic field interference's characteristic, has reduced shunt analog signal output widely and has enclosed the area of soliciting to magnetic field interference has been reduced. And the connection point circuit on the analog-to-digital conversion output board can flexibly design the wiring resisting the magnetic field interference according to the electromagnetic law.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of an analog-to-digital conversion sensor according to an embodiment of the present invention;
fig. 2 is an overall schematic diagram of an analog-to-digital conversion sensor according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second analog-to-digital conversion sensor according to an embodiment of the present invention;
fig. 4 is a schematic reverse side view of the second embodiment of the present invention showing the installed analog-to-digital conversion sensor;
fig. 5 is a schematic front view of the embodiment of the present invention in which two analog-to-digital conversion sensors are installed.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing an analog-to-digital conversion sensor for reduce shunt analog signal output and enclose and solicit the area, reduced magnetic field interference, more accurate convert analog signal into digital signal.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
The first embodiment is as follows:
as shown in fig. 1, the analog-to-digital conversion sensor includes an analog-to-digital conversion output board 1, a shunt 2, and a connection point 3. The connection points 3 are provided on both sides of the resistor body of the shunt 1. The analog-to-digital conversion output board 1 comprises a digital signal communication end 13 and a circuit board 12, wherein a connecting hole 11 is formed in the circuit board 12, and the digital signal communication end is used for outputting the converted digital signal. The connecting hole 11 is matched with the connecting point 3; the analog-digital conversion output plate 1 is connected with the current divider 2 through the connecting hole 11 and the connecting point 3, so that the analog-digital conversion output plate 1 is tightly attached to the current divider 2. The analog-to-digital conversion output board 1 is used for converting the analog signal generated by the current divider 2 into a digital signal for output.
The connection points 3 comprise at least two.
The analog-to-digital conversion output board 1 is also provided with an analog-to-digital conversion chip, a filter element and a power supply input end. And the power supply input end is used for providing power supply for the analog-to-digital conversion chip and the filter element.
The shunt is provided with a mounting hole 21 for mounting a wiring terminal button.
The connecting points and the connecting holes are fixed through riveting or welding, and the mounted analog-to-digital conversion sensor is shown in fig. 2.
Example two:
as shown in fig. 3, the analog-to-digital conversion sensor includes an analog-to-digital conversion output board 1, a shunt 2, and a connection point 3. The connection points 3 are provided on both sides of the resistor body of the shunt 2. The connection points 3 comprise at least two. The analog-to-digital conversion output board 1 comprises a second circuit board 12, and a connecting hole 11 is formed in the second circuit board 12. The connection hole 11 is matched with the connection point 3. The analog-to-digital conversion output plate 1 and the shunt 2 are connected through the connection hole 11 and the connection point 3. The analog-to-digital conversion output board 1 is used for converting the analog signal generated by the current divider 2 into a digital signal for output. The analog-to-digital conversion output board 1 further comprises a digital signal communication terminal 13, and the digital signal communication terminal 13 is used for outputting the converted digital signal. The analog-to-digital conversion output board 1 further comprises a first circuit board 14, a through hole 141 is formed in the first circuit board, and the through hole 141 is matched with the digital signal communication terminal 13. The analog-to-digital conversion output plate 1 is tightly attached to the shunt 2, so that the area of the shunt for outputting analog signals is greatly reduced, and the magnetic field interference is reduced.
The shunt is provided with a mounting hole 21 for mounting a wiring terminal button.
The connecting points and the connecting holes are fixed through riveting or welding, and the mounted analog-to-digital conversion sensor is shown in fig. 4 and 5.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect: the utility model discloses well analog-to-digital conversion output board's output signal is digital signal, utilizes digital signal not to hug closely analog-to-digital conversion output board on the shunt by magnetic field interference's characteristic, has reduced shunt analog signal output widely and has enclosed the area of soliciting to magnetic field interference has been reduced. And the connection point circuit on the analog-to-digital conversion output board can flexibly design the wiring resisting the magnetic field interference according to the electromagnetic law.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (9)
1. An analog-to-digital conversion sensor is characterized by comprising an analog-to-digital conversion output plate, a current divider and a connection point; the connecting points are arranged on two sides of the resistor body of the shunt; the analog-to-digital conversion output plate is provided with a connecting hole; the connecting hole is matched with the connecting point; the analog-to-digital conversion output plate is connected with the shunt through the connecting hole and the connecting point; the analog-to-digital conversion output board is used for converting the analog signals generated by the current divider into digital signals to be output.
2. The analog-to-digital conversion sensor according to claim 1, wherein the analog-to-digital conversion output board comprises a digital signal communication terminal and a circuit board; the circuit board is provided with a connecting hole; and the digital signal communication end is used for outputting the converted digital signal.
3. The analog-to-digital conversion sensor according to claim 1, wherein an analog-to-digital conversion chip and a filter element are further disposed on the analog-to-digital conversion output board.
4. The analog-to-digital conversion sensor according to claim 3, wherein the analog-to-digital conversion output board is further provided with a power supply input end for supplying power to the analog-to-digital conversion chip and the filter element.
5. The analog-to-digital conversion sensor of claim 1, wherein the connection points comprise at least two.
6. The analog-to-digital conversion sensor according to claim 1, wherein the shunt is provided with a mounting hole.
7. An analog-to-digital conversion sensor is characterized by comprising an analog-to-digital conversion output plate, a current divider and a connection point; the connecting points are arranged on two sides of the resistor body of the shunt; the analog-to-digital conversion output plate is provided with a connecting hole; the analog-digital conversion output board comprises a first circuit board, and a through hole is formed in the first circuit board; the connecting hole is matched with the connecting point; the analog-to-digital conversion output plate is connected with the shunt through the connecting hole and the connecting point; the analog-to-digital conversion output board is used for converting the analog signal generated by the current divider into a digital signal for output; the analog-to-digital conversion output board comprises a digital signal communication end, and the digital signal communication end is used for outputting the converted digital signal; the first circuit board is provided with a through hole, and the through hole is matched with the digital signal communication end.
8. The analog-to-digital conversion sensor according to claim 7, wherein the analog-to-digital conversion output board further comprises a second wiring board on which a connection hole is provided.
9. The analog-to-digital conversion sensor of claim 7, wherein the connection points comprise at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921232649.0U CN210376508U (en) | 2019-08-01 | 2019-08-01 | Analog-digital conversion sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921232649.0U CN210376508U (en) | 2019-08-01 | 2019-08-01 | Analog-digital conversion sensor |
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| CN210376508U true CN210376508U (en) | 2020-04-21 |
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| CN201921232649.0U Active CN210376508U (en) | 2019-08-01 | 2019-08-01 | Analog-digital conversion sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110320404A (en) * | 2019-08-01 | 2019-10-11 | 桐乡市伟达电子有限公司 | A kind of analog-to-digital conversion sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110320404A (en) * | 2019-08-01 | 2019-10-11 | 桐乡市伟达电子有限公司 | A kind of analog-to-digital conversion sensor |
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