CN104568066A - Liquid level detection device - Google Patents
Liquid level detection device Download PDFInfo
- Publication number
- CN104568066A CN104568066A CN201310477364.4A CN201310477364A CN104568066A CN 104568066 A CN104568066 A CN 104568066A CN 201310477364 A CN201310477364 A CN 201310477364A CN 104568066 A CN104568066 A CN 104568066A
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- module
- liquid level
- detection device
- level detection
- harmonic filtering
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention discloses a liquid level detection device and belongs to the technical field of automatic control. The liquid level detection device is characterized by comprising a control CPU (1), a sound wave generating module (2), a sound wave receiving module (3), a vibrator module (4), a first harmonic wave filtering module (5), a second harmonic wave filtering module (6), an amplifier module (7), an analog-to-digital conversion module (8), an interface module (9) and a display module (10). Compared with the prior art, the liquid level detection device has the advantages of simple structure, convenience in control, high reliability, convenience in maintenance, and the like.
Description
Technical field
The invention belongs to automatic control technology field, in particular, belong to a kind of liquid level detection device.
Background technology
Fuel conveying unit of the prior art is usually applied in the fuel tank of Hyundai Motor, and supporting member is generally pipe or bar, and they are especially pressed in the accommodation section be arranged on flange.Anti-cyclone tank has the hole corresponding to supporting member, supporting member in this some holes along slip.By the spring part that at least one is arranged around supporting member, make anti-cyclone tank towards the bottom pre-pressing of fuel tank.This pre-pressing for liquid level sensor bottom benchmark be required, this is because liquid level sensor is often arranged on anti-cyclone tank to measure amount of fuel.
Summary of the invention
The present invention, in order to effectively solve above technical matters, gives a kind of liquid level detection device.
A kind of liquid level detection device of the present invention, is characterized in that: comprise control CPU, sound wave generation module, acoustic receiver module, oscillator module, first harmonic filtering module, second harmonic filtering module, amplifier module, analog-to-digital conversion module, interface module, display apparatus module; Wherein:
Described control CPU is connected with described oscillator module, and described oscillator module is connected with described first harmonic filtering module, and described first harmonic filtering module is connected with described sound wave generation module;
Described control CPU is connected with described analog-to-digital conversion module, and described analog-to-digital conversion module is connected with described amplifier module, and described amplifier module is connected with described second harmonic filtering module, and described second harmonic filtering module is connected with described acoustic receiver module,
Described control CPU (1) is connected with described interface module, and described interface module is connected with described display apparatus module.
The present invention is compared with prior art: have structure simple, control the advantages such as convenient, reliability is high, easy to maintenance.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of liquid level detection device of the present invention.
Embodiment
Fig. 1 is the structural representation of liquid level detection device of the present invention, a kind of liquid level detection device of the present invention, is characterized in that: comprise control CPU1, sound wave generation module 2, acoustic receiver module 3, oscillator module 4, first harmonic filtering module 5, second harmonic filtering module 6, amplifier module 7, analog-to-digital conversion module 8, interface module 9, display apparatus module 10; Wherein:
Described control CPU1 is connected with described oscillator module 4, and described oscillator module 4 is connected with described first harmonic filtering module 5, and described first harmonic filtering module 5 is connected with described sound wave generation module 2;
Described control CPU1 is connected with described analog-to-digital conversion module 8, described analog-to-digital conversion module 8 is connected with described amplifier module 7, described amplifier module 7 is connected with described second harmonic filtering module 6, and described second harmonic filtering module 6 is connected with described acoustic receiver module 3
Described control CPU1 is connected with described interface module 9, and described interface module 9 is connected with described display apparatus module 10.
Claims (1)
1. a liquid level detection device, is characterized in that: comprise control CPU (1), sound wave generation module (2), acoustic receiver module (3), oscillator module (4), first harmonic filtering module (5), second harmonic filtering module (6), amplifier module (7), analog-to-digital conversion module (8), interface module (9), display apparatus module (10); Wherein:
Described control CPU (1) is connected with described oscillator module (4), described oscillator module (4) is connected with described first harmonic filtering module (5), and described first harmonic filtering module (5) is connected with described sound wave generation module (2);
Described control CPU (1) is connected with described analog-to-digital conversion module (8), described analog-to-digital conversion module (8) is connected with described amplifier module (7), described amplifier module (7) is connected with described second harmonic filtering module (6), described second harmonic filtering module (6) is connected with described acoustic receiver module (3)
Described control CPU (1) is connected with described interface module (9), and described interface module (9) is connected with described display apparatus module (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310477364.4A CN104568066A (en) | 2013-10-12 | 2013-10-12 | Liquid level detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310477364.4A CN104568066A (en) | 2013-10-12 | 2013-10-12 | Liquid level detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104568066A true CN104568066A (en) | 2015-04-29 |
Family
ID=53084662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310477364.4A Pending CN104568066A (en) | 2013-10-12 | 2013-10-12 | Liquid level detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104568066A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375827A (en) * | 2019-07-22 | 2019-10-25 | 浙江莱恩克风机有限公司 | A kind of dynamic water table detector based on acoustic attenuation variation |
-
2013
- 2013-10-12 CN CN201310477364.4A patent/CN104568066A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375827A (en) * | 2019-07-22 | 2019-10-25 | 浙江莱恩克风机有限公司 | A kind of dynamic water table detector based on acoustic attenuation variation |
| CN110375827B (en) * | 2019-07-22 | 2020-08-04 | 江苏鑫亚达仪表制造有限公司 | Dynamic water level detector based on sound wave attenuation change |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150429 |
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| WD01 | Invention patent application deemed withdrawn after publication |