CN204269824U - Automobile probe temperature-compensated system - Google Patents
Automobile probe temperature-compensated system Download PDFInfo
- Publication number
- CN204269824U CN204269824U CN201420658040.0U CN201420658040U CN204269824U CN 204269824 U CN204269824 U CN 204269824U CN 201420658040 U CN201420658040 U CN 201420658040U CN 204269824 U CN204269824 U CN 204269824U
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- circuit
- microprocessor
- temperature
- ultrasonic sensor
- output terminal
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- Expired - Lifetime
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- 239000000523 sample Substances 0.000 title claims abstract description 9
- 230000003321 amplification Effects 0.000 claims abstract description 12
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 238000010586 diagram Methods 0.000 description 2
- 206010047513 Vision blurred Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The utility model discloses a kind of automobile probe temperature-compensated system, comprise microprocessor, mu balanced circuit, reset circuit, data output circuit, on-off circuit, LED light, radiating circuit, receiving circuit, ultrasonic sensor.Direct or indirect being connected with microprocessor of described mu balanced circuit, reset circuit, data output circuit, on-off circuit, LED light, radiating circuit, receiving circuit, ultrasonic sensor.It also comprises temperature-compensation circuit and signal amplification circuit; The input end of described temperature-compensation circuit is connected with the output terminal of receiving circuit by signal amplification circuit, and the output terminal of temperature-compensation circuit is connected with the input end of microprocessor, carries out correction to the data of ultrasonic sensor detection.Due to the utility model, it also comprises temperature-compensation circuit and signal amplification circuit; Temperature-compensation circuit can carry out correction to the data of ultrasonic sensor detection, makes detection accuracy of the present utility model higher.
Description
Technical field
The utility model relates to automotive field, particularly relates to a kind of automobile probe temperature-compensated system.
Background technology
Reversing radar of vehicle be automobile parking or reversing time safety aid, be made up of the part such as ultrasonic sensor (being commonly called as probe), controller and display (or hummer).The situation of driver's peripheral obstacle can be informed with sound or display more intuitively, relieve when driver parks, moves backward and start vehicle and visit caused puzzlement all around, and the defect of blind area and blurred vision that helped driver to clear away, improve the security of driving.Traditional reversing radar of vehicle is when temperature variation is larger, and the data of ultrasonic sensor detection can exist certain error.
Utility model content
The purpose of this utility model is the automobile probe temperature-compensated system providing a kind of detection accuracy higher.
For achieving the above object, technical solution of the present utility model is:
The utility model is a kind of automobile probe temperature-compensated system, comprises microprocessor, mu balanced circuit, reset circuit, data output circuit, on-off circuit, LED light, radiating circuit, receiving circuit, ultrasonic sensor; The input end external power supply of described mu balanced circuit, the output terminal of mu balanced circuit connects microprocessor, to microprocessor input galvanic current stream, between mu balanced circuit and microprocessor, is provided with reset circuit; The output terminal of described microprocessor connects LED light, radiating circuit and data output circuit respectively, and on-off circuit is connected with microprocessor-based control end, and the output terminal of radiating circuit is connected with ultrasonic sensor; The input end of described receiving circuit is connected with the output terminal of radiating circuit and ultrasonic sensor respectively; It also comprises temperature-compensation circuit and signal amplification circuit; The input end of described temperature-compensation circuit is connected with the output terminal of receiving circuit by signal amplification circuit, and the output terminal of temperature-compensation circuit is connected with the input end of microprocessor, carries out correction to the data of ultrasonic sensor detection.
After adopting such scheme, due to the utility model, it also comprises temperature-compensation circuit and signal amplification circuit; Temperature-compensation circuit can carry out correction to the data of ultrasonic sensor detection, makes detection accuracy of the present utility model higher.
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is circuit block diagram of the present utility model;
Fig. 2 is the circuit diagram of the utility model temperature-compensation circuit and signal amplification circuit.
Embodiment
As shown in Figure 1 and Figure 2, the utility model is a kind of automobile probe temperature-compensated system, comprises microprocessor 1, mu balanced circuit 2, reset circuit 3, data output circuit 4, on-off circuit 5, LED light 6, radiating circuit 7, receiving circuit 8, temperature-compensation circuit 9, signal amplification circuit 10, ultrasonic sensor 11.
The input end external power supply of described mu balanced circuit 2, the output terminal of mu balanced circuit 2 connects microprocessor 1, inputs galvanic current stream, between mu balanced circuit 2 and microprocessor 1, be provided with reset circuit to microprocessor 1.The output terminal of described microprocessor 1 connects LED light 6, radiating circuit 7 and data output circuit 4 respectively, and on-off circuit 5 is connected with the control end of microprocessor 1, and the output terminal of radiating circuit 7 is connected with ultrasonic sensor 11, sends ultrasonic signal.The input end of described receiving circuit 8 is connected with the output terminal of radiating circuit 7 and ultrasonic sensor 11 respectively.
The input end of described temperature-compensation circuit 9 is connected with the output terminal of receiving circuit 8 by signal amplification circuit 10, and the output terminal of temperature-compensation circuit 9 is connected with the input end of microprocessor 1, carries out correction to the data that ultrasonic sensor 11 detects.
Principle of work of the present utility model:
Radiating circuit 7 drives ultrasonic sensor 11 to send ultrasonic signal, ultrasonic sensor 11 detection data received amplifies through signal amplification circuit 10 by receiving circuit 8, after temperature-compensation circuit 9 correction, flow to microprocessor 1 to process, then flow to display (or hummer) by data output circuit 4.
Emphasis of the present utility model is just: set up a temperature-compensation circuit.
The above, be only the utility model preferred embodiment, temperature-compensation circuit particular circuit configurations can have multiple, therefore the scope of the utility model enforcement can not be limited with this, namely the equivalence change done according to the utility model claim and description with modify, all should still belong in scope that the utility model patent contains.
Claims (1)
1. an automobile probe temperature-compensated system, comprises microprocessor, mu balanced circuit, reset circuit, data output circuit, on-off circuit, LED light, radiating circuit, receiving circuit, ultrasonic sensor; The input end external power supply of described mu balanced circuit, the output terminal of mu balanced circuit connects microprocessor, to microprocessor input galvanic current stream, between mu balanced circuit and microprocessor, is provided with reset circuit; The output terminal of described microprocessor connects LED light, radiating circuit and data output circuit respectively, and on-off circuit is connected with microprocessor-based control end, and the output terminal of radiating circuit is connected with ultrasonic sensor; The input end of described receiving circuit is connected with the output terminal of radiating circuit and ultrasonic sensor respectively; It is characterized in that: it also comprises temperature-compensation circuit and signal amplification circuit; The input end of described temperature-compensation circuit is connected with the output terminal of receiving circuit by signal amplification circuit, and the output terminal of temperature-compensation circuit is connected with the input end of microprocessor, carries out correction to the data of ultrasonic sensor detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420658040.0U CN204269824U (en) | 2014-11-06 | 2014-11-06 | Automobile probe temperature-compensated system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420658040.0U CN204269824U (en) | 2014-11-06 | 2014-11-06 | Automobile probe temperature-compensated system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204269824U true CN204269824U (en) | 2015-04-15 |
Family
ID=52804684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420658040.0U Expired - Lifetime CN204269824U (en) | 2014-11-06 | 2014-11-06 | Automobile probe temperature-compensated system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204269824U (en) |
-
2014
- 2014-11-06 CN CN201420658040.0U patent/CN204269824U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |