CN214066384U - Pressure sensor circuit that two ICs realized - Google Patents
Pressure sensor circuit that two ICs realized Download PDFInfo
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- CN214066384U CN214066384U CN202120351875.1U CN202120351875U CN214066384U CN 214066384 U CN214066384 U CN 214066384U CN 202120351875 U CN202120351875 U CN 202120351875U CN 214066384 U CN214066384 U CN 214066384U
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Abstract
The utility model relates to the technical field of electronic circuits, in particular to a pressure sensor circuit realized by double ICs, which comprises a vibration module, a shaping module, a frequency division module and an output interface; the output end of the oscillation module is connected with the input end of the shaping module, the output end of the shaping module is connected with the input end of the frequency dividing module, and the output end of the frequency dividing module is connected with the output interface; the shaping module comprises a CD4069 chip, and the frequency division module comprises a CD4518 chip; the utility model provides a pair of pressure sensor circuit that two ICs realized can be applied to among the various pressure sensing fields, effectively simplifies production technology, has the advantage that signal stability, reliability are high and antistatic effect are strong.
Description
Technical Field
The utility model relates to an electronic circuit technical field especially relates to a pressure sensor circuit that two ICs realized.
Background
The pressure sensor is the most common sensor in industrial practice, is widely applied to various industrial automatic control environments, and relates to industries such as production automatic control, electric power, water conservancy and hydropower, pipelines and the like. A device or apparatus that senses the pressure signal and converts the pressure signal into a usable output electrical signal according to a predetermined rule.
In the prior art, a single chip is generally used as a main body of a circuit design of a pressure sensor, and the single chip is matched with other electronic components to output an electric signal.
However, in practical application, the circuit design scheme mainly using the single chip microcomputer is found to involve more electronic components, is more complex in production process, and is poor in use stability and low in anti-interference capability.
SUMMERY OF THE UTILITY MODEL
To the problem that pressure sensor circuit production technology is complicated, poor stability and interference killing feature are low that above-mentioned exists, the utility model provides a pressure sensor circuit that two ICs realized can be applied to among the all kinds of pressure sensing field, effectively simplifies production technology, has the advantage that signal stability, reliability are high and antistatic can be strong.
In order to solve the technical problem, the utility model provides a concrete scheme as follows:
a pressure sensor circuit realized by double ICs comprises an oscillation module, a shaping module, a frequency division module and an output interface;
the output end of the oscillation module is connected with the input end of the shaping module, the output end of the shaping module is connected with the input end of the frequency dividing module, and the output end of the frequency dividing module is connected with the output interface;
the shaping module comprises a CD4069 chip, and the frequency division module comprises a CD4518 chip.
Optionally, a first capacitor is arranged between the CD4518 chip and the output interface, and the first capacitor plays a role in filtering, filtering interference signals, and improving stability of signal output.
Optionally, the shaping module further includes a first resistor, a second resistor, a third resistor, a fourth resistor, and a second capacitor;
the CD4069 chip comprises fourteen pins, a second pin and a third pin of the CD4069 chip are simultaneously connected with one end of a first resistor, the first pin of the CD4069 chip is connected with the other end of the first resistor and one end of a second capacitor, the other end of the second capacitor is connected with one end of a third resistor, the other end of the third resistor is connected with an oscillation module and one end of a second resistor, and a fourth pin and a fifth pin of the CD4069 chip are simultaneously connected with the other end of the second resistor;
the thirteenth pin of the CD4069 chip is connected with one end of a fourth resistor, the other end of the fourth resistor is connected with the fourteenth pin of the CD4069 chip and a power supply end, and the shaping module is used for shaping cosine wave signals generated by the oscillation module into square wave signals.
Optionally, the oscillation module is further connected to a third capacitor, and the third capacitor plays a role in filtering, filtering interference signals, and improving the stability of signal transmission.
Optionally, the oscillation module includes a first inductor and a fourth capacitor connected in parallel, and is configured to generate a cosine wave signal.
Optionally, an eighth pin of the CD4069 chip is connected to a fifth capacitor and an output interface, the other end of the fifth capacitor is grounded, and the fifth capacitor plays a role in filtering, filtering interference signals, and improving stability of signal transmission.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model provides a pair of pressure sensor circuit that two ICs realized can be applied to among the various pressure sensing fields, effectively simplifies production technology, has the advantage that signal stability, reliability are high and antistatic effect are strong.
Drawings
Fig. 1 is a schematic block diagram of a pressure sensor circuit implemented by a dual IC provided in an embodiment of the present invention.
Fig. 2 is a schematic connection diagram of a pressure sensor circuit implemented by two ICs according to an embodiment of the present invention.
Detailed Description
In order to explain the technical solution of the present invention in detail, the following will combine the drawings of the embodiments of the present invention to perform clear and complete description on the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
For example, a pressure sensor circuit implemented by dual ICs includes an oscillation module, a shaping module, a frequency division module, and an output interface; the output end of the oscillation module is connected with the input end of the shaping module, the output end of the shaping module is connected with the input end of the frequency dividing module, and the output end of the frequency dividing module is connected with the output interface; the shaping module comprises a CD4069 chip, and the frequency division module comprises a CD4518 chip.
The pressure sensor circuit realized by the double ICs can be applied to various pressure sensing fields, effectively simplifies the production process, and has the advantages of stable signals, high reliability and strong antistatic capability.
As shown in fig. 1 and 2, a dual-IC implemented pressure sensor circuit includes an oscillation module, a shaping module, a frequency dividing module, and an output interface.
The oscillation module is used for generating cosine wave signals; the shaping module is used for shaping the cosine wave signals into square wave signals and outputting the square wave signals; and the frequency division module is used for dividing the square wave signal into a plurality of grades to be output according to preset frequency division for a plurality of times, so that the wide output requirement is met.
The shaping module comprises a CD4069 chip, and the frequency division module comprises a CD4518 chip.
In the example, the cosine wave signal is ingeniously shaped into the required square wave signal by adopting the independent CD4069 chip, the input square wave signal is divided into a plurality of grades to be output by the independent CD4518 chip according to preset frequency division for a plurality of times, the wide output requirement is met, the method is applied to the field of various pressure sensing, the production process is effectively simplified, and the advantages of stable signal, high reliability and strong antistatic capability are achieved.
In some embodiments, a first capacitor is arranged between the CD4518 chip and the output interface, the first capacitor is C1, and the first capacitor C1 plays a role in filtering, filtering interference signals, and improving stability of signal output.
In some embodiments, the shaping module further comprises a first resistor, a second resistor, a third resistor, a fourth resistor, and a second capacitor; the first resistor is R1, the second resistor is R2, the third resistor is R3, the fourth resistor is R4, and the second capacitor is C2.
Specifically, the CD4069 chip includes fourteen pins, the second pin and the third pin of the CD4069 chip are simultaneously connected to one end of a first resistor R1, the first pin of the CD4069 chip is connected to the other end of the first resistor R1 and one end of a second capacitor C2, the other end of the second capacitor C2 is connected to one end of a third resistor R3, the other end of the third resistor R3 is connected to the oscillating module and one end of a second resistor R2, and the fourth pin and the fifth pin of the CD4069 chip are simultaneously connected to the other end of the second resistor R2; the thirteenth pin of the CD4069 chip is connected to one end of the fourth resistor R4, and the other end of the fourth resistor R4 is connected to the fourteenth pin of the CD4069 chip and the power supply terminal.
The shaping module is used for shaping cosine wave signals generated by the oscillation module into square wave signals, wherein the second capacitor C2 plays a role in filtering interference signals in the circuit, and the first resistor R1, the second resistor R2, the third resistor R3 and the fourth resistor R4 are protection resistors and play a certain protection role in the circuit.
In some embodiments, the oscillation module is further connected to a third capacitor, the third capacitor is C3, and the third capacitor C3 plays a role in filtering out an interference signal, so as to improve the stability of signal transmission.
The oscillation module comprises a first inductor and a fourth capacitor which are connected in parallel, the first inductor is L1, the fourth capacitor is C4, one end of the first inductor L1 and one end of the fourth capacitor C4 which are connected in parallel are connected with the shaping module, and the other end of the first inductor L1 and one end of the fourth capacitor C4 are grounded and used for generating cosine wave signals.
In some embodiments, the eighth pin of the CD4069 chip is connected to a fifth capacitor and an output interface, where the fifth capacitor is C5, the other end of the fifth capacitor C5 is grounded, and the fifth capacitor C5 plays a role in filtering, filtering an interference signal, and improving stability of signal transmission.
The utility model provides a pair of pressure sensor circuit that two ICs realized can be applied to among the various pressure sensing fields, effectively simplifies production technology, has the advantage that signal stability, reliability are high and antistatic effect are strong.
It is understood that different embodiments among the components in the above embodiments can be combined and implemented, and the embodiments are only for illustrating the implementation of specific structures and are not limited to the implementation of the embodiments.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (6)
1. A pressure sensor circuit realized by double ICs is characterized by comprising an oscillation module, a shaping module, a frequency division module and an output interface;
the output end of the oscillation module is connected with the input end of the shaping module, the output end of the shaping module is connected with the input end of the frequency dividing module, and the output end of the frequency dividing module is connected with the output interface;
the shaping module comprises a CD4069 chip, and the frequency division module comprises a CD4518 chip.
2. The dual IC implemented pressure sensor circuit of claim 1, in which a first capacitance is provided between the CD4518 chip and the output interface.
3. The dual IC implemented pressure sensor circuit of claim 1, wherein the shaping module further comprises a first resistor, a second resistor, a third resistor, a fourth resistor, and a second capacitor;
the CD4069 chip comprises fourteen pins, a second pin and a third pin of the CD4069 chip are simultaneously connected with one end of a first resistor, the first pin of the CD4069 chip is connected with the other end of the first resistor and one end of a second capacitor, the other end of the second capacitor is connected with one end of a third resistor, the other end of the third resistor is connected with an oscillation module and one end of a second resistor, and a fourth pin and a fifth pin of the CD4069 chip are simultaneously connected with the other end of the second resistor;
and the thirteenth pin of the CD4069 chip is connected with one end of a fourth resistor, and the other end of the fourth resistor is connected with the fourteenth pin of the CD4069 chip and a power supply end.
4. The dual IC implemented pressure sensor circuit of claim 1, wherein a third capacitor is further connected to the oscillating module.
5. The dual IC implemented pressure sensor circuit of claim 1, wherein the oscillation module includes a first inductance and a fourth capacitance connected in parallel.
6. The dual IC implemented pressure sensor circuit of claim 3, in which a fifth capacitor and an output interface are connected to the eighth pin of the CD4069 chip, and the other end of the fifth capacitor is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120351875.1U CN214066384U (en) | 2021-02-08 | 2021-02-08 | Pressure sensor circuit that two ICs realized |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120351875.1U CN214066384U (en) | 2021-02-08 | 2021-02-08 | Pressure sensor circuit that two ICs realized |
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| Publication Number | Publication Date |
|---|---|
| CN214066384U true CN214066384U (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120351875.1U Active CN214066384U (en) | 2021-02-08 | 2021-02-08 | Pressure sensor circuit that two ICs realized |
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| Country | Link |
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| CN (1) | CN214066384U (en) |
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2021
- 2021-02-08 CN CN202120351875.1U patent/CN214066384U/en active Active
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