CN108645483A - Radar level gauge system - Google Patents
Radar level gauge system Download PDFInfo
- Publication number
- CN108645483A CN108645483A CN201810286321.0A CN201810286321A CN108645483A CN 108645483 A CN108645483 A CN 108645483A CN 201810286321 A CN201810286321 A CN 201810286321A CN 108645483 A CN108645483 A CN 108645483A
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- Prior art keywords
- processor
- level gauge
- radar
- gauge system
- host computer
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention discloses a kind of radar level gauge systems, including：Processor and the radar transmit-receive module being connected respectively with processor, display module, infrared remote control input circuit and host computer；Processor uses STM32F407 chips, its core as signal processing and peripheral hardware control, display module and infrared remote control input circuit collectively form human-computer interaction circuit, realize the debugging task to system, processor is communicated by serial port circuit with host computer, receive the order of host computer, and returns to the data information of host computer needs.The radar level gauge system overcomes the measurement accuracy of radar levelmeter in the prior art poor, and mostly uses the core processor of MCU and DSP architecture as system greatly so that hardware volume increases, cost increases, and is not easy to the problem of programming is with update.
Description
Technical field
The present invention relates to microwave measurement fields, and in particular, to a kind of radar level gauge system.
Background technology
Microwave level gauge, is commonly called as radar (Radar) level meter, and radar is English Radio Detection and Raging
The abbreviation of (radio detection and ranging) initial.Using the measurement method of microwave pulse, and can be in industrial frequency wave band model
Enclose interior normal, beam energy is low, is mountable in various metals, nonmetallic vessel or pipeline, to liquid, slurry and particulate material
Level carries out contactless continuous measurement.It is big suitable for dust, temperature, pressure change, there is field existing for inert gas and steam
It closes.Radar levelmeter is to human body and the equal fanout free region of environment, and also have is not influenced by medium proportion, not by change in dielectric constant
It influences, does not need the advantages that scene tunes up, whether industry is needed, or be all good to the economical and practical consideration of customer
Selection.
The measurement accuracy of radar levelmeter in the prior art is poor, and mostly uses MCU and DSP architecture greatly as system
Core processor so that hardware volume increases, cost increases, and is not easy to programming and update.
Therefore it provides a kind of in use using STM32 as core processor, simple in structure, the high thunder of range accuracy
The problem of up to level gauge system being urgent need to resolve of the present invention.
Invention content
In view of the above technical problems, the purpose of the present invention is overcome the measurement accuracy of radar levelmeter in the prior art
Difference, and the core processor of MCU and DSP architecture as system is mostly used greatly so that hardware volume increases, cost increases, and
And it is not easy to the problem of programming is with update, structure a kind of in use using STM32 as core processor to provide
Simply, the high radar level gauge system of range accuracy.
To achieve the goals above, the present invention provides a kind of radar level gauge system, the radar level gauge system packets
It includes：Processor and the radar transmit-receive module being connected respectively with the processor, display module, infrared remote control input circuit and on
Position machine；The processor uses STM32F407 chips, as the core of signal processing and peripheral hardware control, the display module
Human-computer interaction circuit is collectively formed with the infrared remote control input circuit, realizes that the debugging task to system, the processor are logical
It crosses serial port circuit to be communicated with the host computer, receives the order of host computer, and return to the data information of host computer needs.
Preferably, the radar level gauge system further includes the alarm output circuit that is connected with the processor, the alarm
Output circuit is made of relay DIP05-1A72-13L, the external level control of delivery outlet of the relay DIP05-1A72-13L
Mechanism processed, the level control mechanism are used for the dispensing of control material.
Preferably, the interface circuit of the radar transmit-receive module includes：The difference frequency of SPI interface, multiple and different amplification factors
Signal output port, chip enable port and synchronous detection port.
Preferably, the synchronous detection signal of system uses MUXOUT signals, when a sawtooth wave frequency sweep cycle starts,
MUXOUT exports low level, and AD starts to sample；At the end of frequency sweep cycle, MUXOUT exports high level.
Preferably, the processor includes internal temperature sensor, and the internal temperature sensor is for detecting the place
The temperature of device is managed, the data of detection are shown by the display module.
Preferably, the display module is LCD display module.
Preferably, the serial port circuit turns serial port chip CH340 using USB and builds.
According to above-mentioned technical proposal, radar level gauge system provided by the invention when in use, utilizes STM32F407 chips
Processor carry out signal processing and peripheral hardware and control, the display module and the infrared remote control input circuit collectively form man-machine
Interaction circuit is realized that the debugging task to system, the processor are communicated by serial port circuit with the host computer, is received
The order of host computer, and return to the data information of host computer needs.Radar level gauge system provided by the invention overcomes existing skill
The measurement accuracy of radar levelmeter in art is poor, and mostly uses the core processor of MCU and DSP architecture as system greatly, makes
The increase of hardware volume, cost increase are obtained, and is not easy to the problem of programming is with update.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is to be used to provide further understanding of the present invention, an and part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 be the present invention a kind of preferred embodiment in the structural schematic diagram of radar level gauge system that provides.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched
The specific implementation mode stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the absence of explanation to the contrary, the noun of locality that " upper and lower, inside and outside " etc. is included in the term
Only represent orientation of the term under normal service condition, or be those skilled in the art understand that be commonly called as, and be not construed as pair
The limitation of the term.
As shown in Figure 1, the present invention provides a kind of radar level gauge system, the radar level gauge system includes：Processing
Device and the radar transmit-receive module being connected respectively with the processor, display module, infrared remote control input circuit and host computer；Institute
It states processor and uses STM32F407 chips, as the core that signal processing and peripheral hardware control, the display module and described red
Outer remote-controlled input circuit collectively forms human-computer interaction circuit, realizes that the debugging task to system, the processor pass through serial port power
Road is communicated with the host computer, receives the order of host computer, and returns to the data information of host computer needs.
According to above-mentioned technical proposal, radar level gauge system provided by the invention when in use, utilizes STM32F407 chips
Processor carry out signal processing and peripheral hardware and control, the display module and the infrared remote control input circuit collectively form man-machine
Interaction circuit is realized that the debugging task to system, the processor are communicated by serial port circuit with the host computer, is received
The order of host computer, and return to the data information of host computer needs.Radar level gauge system provided by the invention overcomes existing skill
The measurement accuracy of radar levelmeter in art is poor, and mostly uses the core processor of MCU and DSP architecture as system greatly, makes
The increase of hardware volume, cost increase are obtained, and is not easy to the problem of programming is with update.
In a kind of preferred embodiment of the present invention, the radar level gauge system further includes and the processor phase
Even alarm output circuit, the alarm output circuit are made of relay DIP05-1A72-13L, the relay DIP05-
The external level control mechanism of delivery outlet of 1A72-13L, the level control mechanism are used for the dispensing of control material.
In a kind of preferred embodiment of the present invention, the interface circuit of the radar transmit-receive module includes：SPI connects
Mouth, the difference frequency signal output port of multiple and different amplification factors, chip enable port and synchronous detection port.STM32F407
By the sawtooth phase modulation bandwidth of SPI interface control radar, frequency sweep cycle, transmitting signal power etc., MUXOUT is synchronous detects
Signal, after 1 sawtooth wave frequency sweep cycle starts, MUXOUT exports low level, and AD starts to sample；At the end of frequency sweep cycle,
NUXOUT exports high level.It can be accurately positioned each frequency sweep cycle by MUXOUT signals.
In a kind of preferred embodiment of the present invention, the processor includes internal temperature sensor, the inside
Temperature sensor is used to detect the temperature of the processor, and the data of detection are shown by the display module, prevent temperature
Spend the high damage for causing processor.
In a kind of preferred embodiment of the present invention, the display module is LCD display module.LCD is responsible for display
Measured value and menu item, menu include measurement range selection, transmission power selection etc., these settings contribute to system debug.
In a kind of preferred embodiment of the present invention, the serial port circuit turns serial port chip CH340 using USB and takes
It builds.TXD and RXD is coupled with PA10 the and PA9 pins of STM32F407, and D+ and D- are connected to the mini USB interfaces of 5 feet.
The preferred embodiment of the present invention is described in detail above in association with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical scheme of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (7)
1. a kind of radar level gauge system, which is characterized in that the radar level gauge system includes：Processor and respectively with it is described
Processor connected radar transmit-receive module, display module, infrared remote control input circuit and host computer；
The processor uses STM32F407 chips, as the core of signal processing and peripheral hardware control, the display module with
The infrared remote control input circuit collectively forms human-computer interaction circuit, realizes that the debugging task to system, the processor pass through
Serial port circuit is communicated with the host computer, receives the order of host computer, and returns to the data information of host computer needs.
2. radar level gauge system according to claim 1, which is characterized in that the radar level gauge system further include with
The processor is connected alarm output circuit, and the alarm output circuit is made of relay DIP05-1A72-13L, it is described after
The external level control mechanism of delivery outlet of electric appliance DIP05-1A72-13L, the level control mechanism are used for the throwing of control material
It puts.
3. radar level gauge system according to claim 1, which is characterized in that the interface circuit of the radar transmit-receive module
Including：SPI interface, the difference frequency signal output port of multiple and different amplification factors, chip enable port and synchronous detection port.
4. radar level gauge system according to claim 3, which is characterized in that the synchronous detection signal of system uses
MUXOUT signals, when a sawtooth wave frequency sweep cycle starts, MUXOUT exports low level, and AD starts to sample；Work as frequency sweep cycle
At the end of, MUXOUT exports high level.
5. radar level gauge system according to claim 1, which is characterized in that the processor includes internal temperature sensor
Device, the internal temperature sensor are used to detect the temperature of the processor, and the data of detection are shown by the display module
Out.
6. radar level gauge system according to claim 1, which is characterized in that the display module is LCD display module.
7. radar level gauge system according to claim 1, which is characterized in that the serial port circuit turns serial ports using USB
Chip CH340 is built.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810286321.0A CN108645483A (en) | 2018-04-03 | 2018-04-03 | Radar level gauge system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810286321.0A CN108645483A (en) | 2018-04-03 | 2018-04-03 | Radar level gauge system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108645483A true CN108645483A (en) | 2018-10-12 |
Family
ID=63745439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810286321.0A Pending CN108645483A (en) | 2018-04-03 | 2018-04-03 | Radar level gauge system |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607239A (en) * | 2021-07-12 | 2021-11-05 | 浙江中控技术股份有限公司 | Man-machine interaction method and system for realizing hybrid contact type radar level meter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175587A (en) * | 2013-03-01 | 2013-06-26 | 电子科技大学 | Guided wave radar liquid indicator |
| CN104390673A (en) * | 2014-10-30 | 2015-03-04 | 杭州电子科技大学 | Liquid indicator based on laser ranging |
| CN206212180U (en) * | 2016-12-01 | 2017-05-31 | 河北省张家口水文水资源勘测局 | Hydrology multi-antenna |
| CN107063391A (en) * | 2017-03-30 | 2017-08-18 | 美核电气（济南）股份有限公司 | A kind of contactless pair of thing position intelligent checking system |
| CN107270999A (en) * | 2017-06-22 | 2017-10-20 | 电子科技大学 | A kind of radar levelmeter measuring circuit |
-
2018
- 2018-04-03 CN CN201810286321.0A patent/CN108645483A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175587A (en) * | 2013-03-01 | 2013-06-26 | 电子科技大学 | Guided wave radar liquid indicator |
| CN104390673A (en) * | 2014-10-30 | 2015-03-04 | 杭州电子科技大学 | Liquid indicator based on laser ranging |
| CN206212180U (en) * | 2016-12-01 | 2017-05-31 | 河北省张家口水文水资源勘测局 | Hydrology multi-antenna |
| CN107063391A (en) * | 2017-03-30 | 2017-08-18 | 美核电气（济南）股份有限公司 | A kind of contactless pair of thing position intelligent checking system |
| CN107270999A (en) * | 2017-06-22 | 2017-10-20 | 电子科技大学 | A kind of radar levelmeter measuring circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607239A (en) * | 2021-07-12 | 2021-11-05 | 浙江中控技术股份有限公司 | Man-machine interaction method and system for realizing hybrid contact type radar level meter |
| CN113607239B (en) * | 2021-07-12 | 2024-01-12 | 中控技术股份有限公司 | Man-machine interaction method and system for realizing hybrid contact type radar level gauge |
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Application publication date: 20181012 |
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