CN211346989U - PCB device for detecting water level - Google Patents
PCB device for detecting water level Download PDFInfo
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- CN211346989U CN211346989U CN201921154679.4U CN201921154679U CN211346989U CN 211346989 U CN211346989 U CN 211346989U CN 201921154679 U CN201921154679 U CN 201921154679U CN 211346989 U CN211346989 U CN 211346989U
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Abstract
The utility model discloses a PCB board device for detecting water level, include: a chip; the PCB body, wherein the chip is arranged on one side surface of the PCB body; the first metal routing is arranged on the other side surface of the PCB body and is electrically connected with the chip; the second metal routing is arranged on the other side surface of the PCB body and is electrically connected with the chip; the third metal routing is arranged on the other side surface of the PCB body and is electrically connected with the first metal routing through the fourth metal routing; the first metal wire and the second metal wire are arranged on the same horizontal plane, and the third metal wire is arranged above the first metal wire. In this way, the utility model discloses a PCB board device for detecting water level can set up on the outer wall of water container, does not contact with water for water in the water container can not polluted, can not influence measurement accuracy.
Description
Technical Field
The utility model relates to a water level detection technical field, in particular to a PCB board device for detecting water level.
Background
At present, in the traditional detection of the water level height of small household appliances, a contact detection mode can directly contact water, inevitably causes the water to be polluted, and after the detection device is used for a long time, scales are easily generated to influence the measurement precision.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a PCB board device for detecting water level, can set up on the outer wall of water container, not contact with water for water in the water container can not be polluted, can not influence measurement accuracy.
In order to solve the technical problem, the utility model discloses a technical scheme be: the PCB device for detecting the water level comprises a chip and further comprises: the PCB comprises a PCB body, wherein the chip is arranged on one side face of the PCB body; the first metal routing is arranged on the other side surface of the PCB body and is electrically connected with the chip; the second metal routing is arranged on the other side surface of the PCB body and is electrically connected with the chip; the third metal routing is arranged on the other side face of the PCB body and is electrically connected with the first metal routing through the fourth metal routing; the first metal wire and the second metal wire are arranged on the same horizontal plane, and the third metal wire is arranged above the first metal wire.
Further, the first metal trace and the second metal trace are symmetrically arranged.
Further, the first metal trace and the second metal trace are rectangular or circular.
Further, the third metal trace is arranged in a strip shape, wherein the width of the third metal trace is smaller than the width or diameter of the first metal trace.
Further, the third metal routing is arranged along the horizontal direction or the vertical direction.
Further, the first metal routing is electrically connected with the chip through a first resistor, wherein the first resistor is arranged on one side surface of the PCB board, the second metal routing is electrically connected with the chip through a second resistor, and wherein the second resistor is arranged on one side surface of the PCB board.
Furthermore, an interface is arranged on one side face of the PCB body and electrically connected with the chip.
Further, a paint coating layer is arranged on the other side face of the PCB body, and the first metal wiring, the second metal wiring, the third metal wiring and the fourth metal wiring are arranged between the paint coating layer and the other side face of the PCB body.
Further, the model of the chip is M89T02AS 8.
The utility model has the advantages that: be different from prior art's condition, the utility model discloses a PCB board device for detecting water level includes: a chip; the PCB body, wherein the chip is arranged on one side surface of the PCB body; the first metal routing is arranged on the other side surface of the PCB body and is electrically connected with the chip; the second metal routing is arranged on the other side surface of the PCB body and is electrically connected with the chip; the third metal routing is arranged on the other side surface of the PCB body and is electrically connected with the first metal routing through the fourth metal routing; the first metal wire and the second metal wire are arranged on the same horizontal plane, and the third metal wire is arranged above the first metal wire. In this way, the utility model discloses a PCB board device for detecting water level can set up on the outer wall of water container, does not contact with water for water in the water container can not polluted, can not influence measurement accuracy.
Drawings
Fig. 1 is a first structural schematic diagram of a PCB apparatus for detecting water level according to the present invention;
fig. 2 is a second schematic structural view of the PCB apparatus for detecting water level according to the present invention;
fig. 3 is a schematic structural view of the connection between the PCB apparatus for detecting water level and the water container of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 to 3, the PCB apparatus for detecting a water level includes a PCB board body 10, a chip 11, a first metal trace 101, a second metal trace 102, and a third metal trace 103.
The chip 11 is arranged on one side of the PCB board body 10.
In the present embodiment, the PCB board 10 has a rectangular shape or other shapes.
The first metal trace 101 is disposed on the other side surface of the PCB board body 10, wherein the first metal trace 101 is electrically connected to the chip 11.
The second metal trace 102 is disposed on the other side surface of the PCB board body 10, wherein the second metal trace 102 is electrically connected to the chip 11.
The third metal trace 103 is disposed on the other side surface of the PCB board 10, wherein the third metal trace 103 is electrically connected to the first metal trace 101 through the fourth metal trace 104.
In this embodiment, the first metal trace 101 and the second metal trace 102 are disposed at the same horizontal plane. Preferably, the first metal trace 101 and the second metal trace 102 are symmetrically disposed.
It should be understood that the length and width of the first metal trace 101 and the length and width of the second metal trace 102 are equal.
In the present embodiment, the third metal trace 103 is above the first metal trace 101. That is, when the PCB apparatus is disposed on the outer wall of the water container 20, the third metal trace 103 is located above the first metal trace 101.
In the present embodiment, the first metal trace 101 and the second metal trace 102 have a rectangular shape or a circular shape.
In the embodiment, the third metal trace 103 is disposed in a strip shape, wherein the width of the third metal trace 103 is smaller than the width or diameter of the first metal trace 101.
Preferably, the third metal trace 103 is disposed in a horizontal direction or a vertical direction. That is, the third metal trace 103 is disposed along a horizontal direction or a vertical direction of the PCB board body 10. It should be understood that when the PCB panel assembly is disposed at the outer wall of the water container 20, the third metal trace 103 is disposed in a horizontal direction or a vertical direction.
In the present embodiment, the first metal trace 101 is electrically connected to the chip 11 through a first resistor, wherein the first resistor is disposed on one side of the PCB board 10. Further, the second metal trace 102 is electrically connected to the chip 11 through a second resistor, wherein the second resistor is disposed on one side of the PCB board 10.
In this embodiment, one side of the PCB board 10 is provided with an interface 12, wherein the interface 12 is electrically connected to the chip 11.
In this embodiment, a painted layer is disposed on the other side of the PCB board 10, and the first metal trace 101, the second metal trace 102, the third metal trace 103 and the fourth metal trace are disposed between the painted layer and the other side of the PCB board 10 to achieve a protection effect.
In the present embodiment, the model number of the chip 11 is M89T02AS 8. It should be understood that when the water level of the water container 20 is measured, the other side of the PCB board 10 is disposed toward the outer wall of the water container 20, and since the first metal trace 101 and the third metal trace 103 are electrically connected, and the third metal trace 103 is located above the first metal trace 101, when the water level drops in the third metal trace 103, the electric charge of the first metal trace 101 changes (i.e., the electric charge of the first metal trace 101 is affected by water, i.e., the electric charge of the first metal trace 101 changes due to the change of the water level of the water container 20 across the outer wall of the water container 20), and therefore, the electric capacity difference between the first metal trace 101 and the second metal trace 102 also changes, and the chip 11 calculates the water level of the water container 20 through the electric capacity difference. The chip 11 can be implemented by a chip in the prior art, and therefore, the specific principle of calculating the capacitance difference by the chip 11 is not described herein in detail.
It should be understood that in other embodiments, the other side surface of the PCB board 10 is further provided with an adhesive layer, so that the PCB board 10 is disposed on the water container 20 through the adhesive layer.
To sum up, the utility model discloses a PCB board device for detecting water level includes: a chip; the PCB body, wherein the chip is arranged on one side surface of the PCB body; the first metal routing is arranged on the other side surface of the PCB body and is electrically connected with the chip; the second metal routing is arranged on the other side surface of the PCB body and is electrically connected with the chip; the third metal routing is arranged on the other side surface of the PCB body and is electrically connected with the first metal routing through the fourth metal routing; the first metal wire and the second metal wire are arranged on the same horizontal plane, and the third metal wire is arranged above the first metal wire. In this way, the utility model discloses a PCB board device for detecting water level can set up on the outer wall of water container, does not contact with water for water in the water container can not polluted, can not influence measurement accuracy.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (9)
1. The utility model provides a PCB board device for detecting water level, includes the chip, its characterized in that still includes:
the PCB comprises a PCB body, wherein the chip is arranged on one side face of the PCB body;
the first metal routing is arranged on the other side surface of the PCB body and is electrically connected with the chip;
the second metal routing is arranged on the other side surface of the PCB body and is electrically connected with the chip;
the third metal routing is arranged on the other side face of the PCB body and is electrically connected with the first metal routing through the fourth metal routing;
the first metal wire and the second metal wire are arranged on the same horizontal plane, and the third metal wire is arranged above the first metal wire.
2. The PCB apparatus of claim 1, wherein the first metal trace and the second metal trace are symmetrically disposed.
3. The PCB apparatus of claim 2, wherein the first metal trace and the second metal trace are rectangular or circular.
4. The PCB apparatus of claim 3, wherein the third metal trace is disposed in an elongated shape, wherein the width of the third metal trace is smaller than the width or diameter of the first metal trace.
5. The PCB device of claim 4, wherein the third metal trace is disposed in a horizontal direction or a vertical direction.
6. The PCB apparatus of claim 1, wherein the first metal trace is electrically connected to the chip through a first resistor, wherein the first resistor is disposed on a side of the PCB board, and wherein the second metal trace is electrically connected to the chip through a second resistor, wherein the second resistor is disposed on a side of the PCB board.
7. The PCB board device of claim 6, wherein an interface is disposed on a side of the PCB board body, and the interface is electrically connected to the chip.
8. The PCB device of claim 1, wherein a painted layer is disposed on another side of the PCB body, and the first metal trace, the second metal trace, the third metal trace and the fourth metal trace are disposed between the painted layer and the another side of the PCB body.
9. The PCB apparatus of claim 1, wherein the chip is of type M89T02AS 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921154679.4U CN211346989U (en) | 2019-07-22 | 2019-07-22 | PCB device for detecting water level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921154679.4U CN211346989U (en) | 2019-07-22 | 2019-07-22 | PCB device for detecting water level |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211346989U true CN211346989U (en) | 2020-08-25 |
Family
ID=72134313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921154679.4U Active CN211346989U (en) | 2019-07-22 | 2019-07-22 | PCB device for detecting water level |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211346989U (en) |
-
2019
- 2019-07-22 CN CN201921154679.4U patent/CN211346989U/en active Active
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