CN109471182B - A kind of dangerous liquid material detector based on microwave measurement dielectric constant - Google Patents
A kind of dangerous liquid material detector based on microwave measurement dielectric constant Download PDFInfo
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- CN109471182B CN109471182B CN201811346719.5A CN201811346719A CN109471182B CN 109471182 B CN109471182 B CN 109471182B CN 201811346719 A CN201811346719 A CN 201811346719A CN 109471182 B CN109471182 B CN 109471182B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/12—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with electromagnetic waves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
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Abstract
The invention discloses a kind of dangerous liquid material detectors based on microwave measurement dielectric constant, including shell, control panel, detector and microwave emitter, the side of the shell is provided with control panel, the top of the control panel side is provided with buzzer siren, and the central position of control panel side is embedded with display screen, the bottom end of the control panel side is provided with control button component, the detector is fixed with microwave reflection receiver far from the other end of fixed block side, and temperature sensor is fixed between microwave reflection receiver and microwave emitter.The present invention is by being equipped with buzzer siren, detector and single-chip microcontroller, microwave emitter and microwave reflection receiver are provided on detector, microwave emitter emits microwave, microwave reflection receiver collects microwave reflection energy, and the type and degree of danger of detected liquid are judged according to the information ratio of reflection liquid microwave and impinging microwave.
Description
Technical field
The present invention relates to technical field of liquid detection, specially a kind of dangerous liquid material based on microwave measurement dielectric constant
Detector.
Background technique
With the continuous development of society, people's lives are horizontal quickly improves, and while development, in order to improve people
Safety require to carry out corresponding safety inspection, especially passenger before airplane train and automobile and carry
Liquid, it is necessary to offer a clear explanation with the presence or absence of risk.
Traditional liquid safe inspection generally requires manually to open, and is differentiated by smell, not only it is time-consuming take and, Er Qierong
Mistakes and omissions are also easy to produce, with the development of science and technology, it is found that dielectric constant is the very important electronics property parameter of fluent material,
Its dielectric constant of different fluent materials is often different, simply can be classified to liquid and be identified according to dielectric constant,
But the existing dangerous liquid material detector heat dissipation effect based on microwave measurement dielectric constant is poor, is easy after long-time use
Generate heat aggregation, cause inner body aging, and the detector of such device can not dismounting and change, it is not easy to overhaul with dimension
Shield be easy to cause the error of testing result, therefore be badly in need of one in addition, the dielectric constant of liquid can be reduced with the raising of temperature
The dangerous liquid material detector based on microwave measurement dielectric constant is planted to meet the needs of people.
Summary of the invention
The purpose of the present invention is to provide a kind of dangerous liquid material detectors based on microwave measurement dielectric constant, to solve
Traditional liquid detecting mentioned above in the background art is time-consuming and laborious, existing detector test head can not dismounting and change, dress
Set it is not easy to overhaul with maintenance, heat dissipation effect it is bad and it is easy because temperature relationship affect inspection result the problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of liquid based on microwave measurement dielectric constant
Hazardous material detection instrument, including shell, control panel, detector and microwave emitter, the side of the shell are provided with control plane
Plate, the top of the control panel side are provided with buzzer siren, and the central position of control panel side be embedded with it is aobvious
Display screen, the bottom end of the control panel side are provided with control button component, and the top of the shell other side is provided with reserved
Slot, one end inside the preformed groove are fixed with single-chip microcontroller, and the other end inside preformed groove is fixed with battery, described reserved
Access cover is provided on the outside of slot, the top of the shell is fixed with detection handle by connecting line, and detects handle far from even
One end of wiring is fixed with fixed block, and the fixed block is equipped with detector far from one end of detection handle, and detector is separate
One end of fixed block side is fixed with microwave emitter, and it is micro- that the detector far from the other end of fixed block side is fixed with reflection
Wave receiver, and temperature sensor is fixed between microwave reflection receiver and microwave emitter；
Switching socket is provided between the top of the shell and the connecting line, the switching socket includes at least one
For being fixedly connected with the jack of line and connection circuit, the jack is built in the switching socket and circumferentially arranges；
Telescopic rack is additionally provided on the side wall of the shell, the Telescopic rack includes be successively socketed
One ring, the second ring and third ring, the diameter of first ring are greater than the diameter of the second ring, and the diameter of second ring is greater than third
The diameter of ring.
Preferably, the shell is provided with radiator fan far from the bottom end of display screen side, and at the air port of radiator fan
It is provided with strainer.
Preferably, the junction of the control panel and shell is provided with rubber gasket, and the edge of shell is uniform
It is fixed with rubber bumps.
Preferably, sound transmission aperture is evenly arranged on the outside of the buzzer siren, and sound transmission aperture is in concentric arrays.
Preferably, the two sides of the access cover are provided with sliding block, and the enclosure interior is all provided with close to the two sides of access cover
Be equipped with the mutually matched sliding slot of sliding block, and access cover constitutes sliding equipment by sliding block and sliding slot.
Preferably, the fixed block is provided with card slot close to one end of detector, and detector is close to one end of fixed block
Be provided with and the mutually matched fixture block of card slot, the lateral wall of the fixture block be provided with external screw thread, the inner sidewall of card slot be provided with
The mutually matched internal screw thread of external screw thread, the detector and fixed block constitute installing and dismounting structure.
Compared with prior art, the beneficial effects of the present invention are:
(1) the dangerous liquid material detector based on microwave measurement dielectric constant is somebody's turn to do by being equipped with buzzer siren, detection
Head and single-chip microcontroller, are provided with microwave emitter and microwave reflection receiver on detector, microwave emitter with one substantially
Fixed working frequency emits microwave, and microwave reflection receiver collects microwave reflection energy, according to reflection liquid microwave with enter
The information ratio for penetrating microwave judges the type and degree of danger of detected liquid, and provides alarm according to degree of danger, compared to biography
The manual inspection of system, accuracy is higher, more convenient, time saving and energy saving.
(2) the dangerous liquid material detector based on microwave measurement dielectric constant is somebody's turn to do by being equipped with temperature on detector
Temperature information is transmitted to by sensor so that can also measure fluid temperature while detecting reflection liquid wave and incidence wave
The information ratio of single-chip microcontroller, fluid temperature combination reflection liquid microwave and impinging microwave judges the type and danger of detected liquid
Degree avoids the raising of the dielectric constant with temperature of liquid and reduces caused testing result inaccuracy.
(3) should based on microwave measurement dielectric constant dangerous liquid material detector by be equipped with detection handle, fixed block,
Card slot, fixture block and detector, the inner sidewall of card slot are provided with internal screw thread, and the lateral wall of fixture block is provided with and internal screw thread phase interworking
The external screw thread of conjunction, the mode convenient for being connected through a screw thread will test head and fixed block installation and removal, convenient in replacement detector
And dismantle detector in failure or damage and overhauled and safeguarded, conducive to the use of device.
(4) should dangerous liquid material detector based on microwave measurement dielectric constant by be equipped with shell, sliding slot, sliding block with
And the two sides of access cover are provided with sliding block, enclosure interior side wall be provided with the mutually matched sliding slot of sliding block so that convenient for passing through
The correlation of sliding slot and sliding block easily slips off access cover, easy to use convenient for checking device inside.
(5) the dangerous liquid material detector based on microwave measurement dielectric constant is somebody's turn to do by being provided in the bottom end of shell side
Radiator fan, so that convenient for being aerated heat dissipation to enclosure interior avoiding that internal heat is used just to gather not scattered and make for a long time
Inner body is influenced the service life of device by heat ageing.
Detailed description of the invention
Fig. 1 faces the schematic diagram of the section structure for of the invention；
Fig. 2 is shell backsight structural representation of the invention；
Fig. 3 is amplification profile structural schematic diagram at A in Fig. 1 of the invention；
Fig. 4 is that detector of the invention looks up the schematic diagram of the section structure；
Fig. 5 is system block diagram of the invention.
In figure: 1, shell；2, control panel；3, control button component；4, rubber bumps；5, buzzer siren；6, it shows
Screen；7, connecting line；8, handle is detected；9, detector；10, radiator fan；11, sliding slot；12, single-chip microcontroller；13, preformed groove；14, sliding
Block；15, battery；16, access cover；17, card slot；18, fixed block；19, fixture block；20, microwave emitter；21, temperature sensor；
22, microwave reflection receiver.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, a kind of embodiment provided by the invention: a kind of based on the liquid hazardous of microwave measurement dielectric constant
Product detector, including shell 1, control panel 2, detector 9 and microwave emitter 20, the side of shell 1 are provided with control panel
2, control panel 2 and the junction of shell 1 are provided with rubber gasket, and the edge of shell 1 is uniformly fixed with rubber bumps
4, it avoids water body from penetrating into inside and causes short circuit, rubber bumps 4 increase frictional force, and convenient for hand-held, the top of 2 side of control panel is set
It is equipped with buzzer siren 5, the model of buzzer siren 5 can be QZBJ-260, and the outside of buzzer siren 5 is evenly arranged with transaudient
Hole, and sound transmission aperture is in concentric arrays, is uniformly spread out of convenient for alarm sound, and the central position insertion of 2 side of control panel
There is display screen 6, the bottom end of 2 side of control panel is provided with control button component 3, and shell 1 is set far from the bottom end of 6 side of display screen
It is equipped with radiator fan 10, and is provided with strainer at the air port of radiator fan 10, convenient for being aerated heat dissipation, shell inside shell 1
The top of 1 other side of body is provided with preformed groove 13, and one end inside preformed groove 13 is fixed with single-chip microcontroller 12, the model of single-chip microcontroller 12
It can be ZYWYKJ, and the other end inside preformed groove 13 is fixed with battery 15, the outside of preformed groove 13 is provided with access cover 16,
The two sides of access cover 16 are provided with sliding block 14, and 1 inside of shell is provided with mutual with sliding block 14 close to the two sides of access cover 16
The sliding slot 11 of cooperation, and access cover 16 constitutes sliding equipment by sliding block 14 and sliding slot 11, convenient for sliping off access cover 16, to dress
It sets inside to be checked, easy to use, the top of shell 1 is fixed with detection handle 8 by connecting line 7, and it is separate to detect handle 8
One end of connecting line 7 is fixed with fixed block 18, and fixed block 18 is equipped with detector 9, fixed block 18 far from one end of detection handle 8
One end close to detector 9 is provided with card slot 17, and detector 9 is provided with and 17 phase interworking of card slot close to one end of fixed block 18
The fixture block 19 of conjunction, the lateral wall of fixture block 19 are provided with external screw thread, and the inner sidewall of card slot 17 is provided with mutually matched with external screw thread
Internal screw thread, detector 9 and fixed block 18 constitute installing and dismounting structure, replacement detector 9 easy to disassemble, convenient for when breaking down
Repair and maintenance detector 9, and detector 9 is fixed with microwave emitter 20, microwave emitter far from one end of 18 side of fixed block
20 model can be 5.8-MK, and detector 9 is fixed with microwave reflection receiver 22 far from the other end of 18 side of fixed block, reflect
The model of microwave receiver 22 can be CS-CRD-01L, and be fixed with temperature between microwave reflection receiver 22 and microwave emitter 20
Sensor 21 is spent, the model of temperature sensor 21 can be CWDZ11.
Switching socket is provided between the top and the connecting line of the shell 1, the switching socket includes at least one
A jack for being used to be fixedly connected line and connection circuit, the jack are built in the switching socket and circumferentially arrange, not only
It can be conveniently replaceable detector, connecting line can also be conveniently replaceable, it might even be possible to while multiple connecting lines are connected, distinguish determinand
Type uses.For example, acid material A detector, A detector connect A connecting line, alkaline material B detector, B detector
B detection line is connected, and so on.
Telescopic rack is additionally provided on the side wall of the shell 1, the Telescopic rack includes successively being socketed
First ring, the second ring and third ring, the diameter of first ring are greater than the diameter of the second ring, and the diameter of second ring is greater than the
The diameter of tricyclic, examined object can be placed in supporter, are fixed by ring measuring targets, then detected.
Working principle: in use, will test first 9 is directed at liquid to be detected, the microwave emitter 20 on detector 9 can be sent out
A frequency is penetrated in the microwave of 10GHz or so, microwave reflection receiver 22 collects microwave reflection energy, and at the same time, temperature passes
Sensor 21 measures the temperature of a liquid, and communicates information to single-chip microcontroller 12, according to the information ratio of reflection liquid microwave and impinging microwave
With various dangerous material in the threshold value being measured under fluid temperature, judges the type and degree of danger of detected liquid, work as single-chip microcontroller
Microwave energy received by 12, which reaches threshold value, will control the progress warning note of buzzer siren 5, be provided with card on detector 9
Block 19 is provided with the mutually matched card slot 17 of fixture block 19 on fixed block 18, and the mode convenient for being connected through a screw thread easily is pacified
Dress and disassembly detector 9, dismantle detector 9 in failure or damage and are overhauled and safeguarded, conducive to the use of device, dissipate
Hot-air fan 10 is convenient for heat dissipation is aerated inside shell 1 avoiding that internal heat is used just to gather not scattered and make inside for a long time
Part is influenced the service life of device by heat ageing, is if desired overhauled to device inside, can be by sliping off access cover 16
It is checked, it is easy to use.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (1)
1. a kind of dangerous liquid material detector based on microwave measurement dielectric constant, including shell (1), control panel (2), detection
Head (9) and microwave emitter (20), it is characterised in that: the side of the shell (1) is provided with control panel (2), the control
The top of panel (2) side is provided with buzzer siren (5), and the central position of control panel (2) side is embedded with display
Shield (6), the bottom end of control panel (2) side is provided with control button component (3), the top of shell (1) other side
It being provided with preformed groove (13), the internal one end of the preformed groove (13) is fixed with single-chip microcontroller (12), and preformed groove (13) inside
The other end is fixed with battery (15), is provided with access cover (16) on the outside of the preformed groove (13), the top of the shell (1)
It is fixed with detection handle (8) by connecting line (7), and detects handle (8) and is fixed with fixed block far from the one end of connecting line (7)
(18), the fixed block (18) is equipped with detector (9) far from one end of detection handle (8), and detector (9) is far from fixed block
(18) one end of side is fixed with microwave emitter (20), and the other end of the detector (9) far from fixed block (18) side is solid
Surely have microwave reflection receiver (22), and be fixed with temperature sensing between microwave reflection receiver (22) and microwave emitter (20)
Device (21)；Switching socket is provided between the top and the connecting line of the shell (1), the switching socket includes at least one
A jack for being used to be fixedly connected line and connection circuit, the jack are built in the switching socket and circumferentially arrange；It is described
Telescopic rack is additionally provided on the side wall of shell (1), the Telescopic rack includes the first ring being successively socketed, second
Ring and third ring, the diameter of first ring are greater than the diameter of the second ring, and the diameter of second ring is greater than the diameter of third ring,
The shell (1) is provided with radiator fan (10) far from the bottom end of display screen (6) side, and sets at the air port of radiator fan (10)
It is equipped with strainer, the control panel (2) and the junction of shell (1) are provided with rubber gasket, and the edge of shell (1) is equal
It is even to be fixed with rubber bumps (4), sound transmission aperture is evenly arranged on the outside of the buzzer siren (5), and sound transmission aperture is in concentric circles
Arrangement, the two sides of the access cover (16) are provided with sliding block (14), the internal two sides close to access cover (16) of the shell (1)
Be provided with sliding block (14) mutually matched sliding slot (11), and access cover (16) is made up of sliding block (14) and sliding slot (11) and slides
Motivation structure, the fixed block (18) are provided with card slot (17) close to the one end of detector (9), and detector (9) is close to fixed block
(18) one end, which is provided with, is provided with outer spiral shell with card slot (17) mutually matched fixture block (19), the lateral wall of the fixture block (19)
Line, the inner sidewall of card slot (17) are provided with and the mutually matched internal screw thread of external screw thread, the detector (9) and fixed block (18) structure
At installing and dismounting structure；In use, will test head (9) is directed at liquid to be detected, the microwave emitter (20) on detector (9)
A frequency can be emitted in the microwave of 10GHz or so, microwave reflection receiver (22) collects microwave reflection energy, at the same time,
Temperature sensor (21) measures the temperature of a liquid, and single-chip microcontroller (12) is communicated information to, according to reflection liquid microwave and impinging microwave
Information ratio and various dangerous material in the threshold value being measured under fluid temperature, judge the type and dangerous journey of detected liquid
Degree, the microwave energy received by single-chip microcontroller (12), which reaches threshold value and will control buzzer siren (5), carries out warning note.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811346719.5A CN109471182B (en) | 2018-11-13 | 2018-11-13 | A kind of dangerous liquid material detector based on microwave measurement dielectric constant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811346719.5A CN109471182B (en) | 2018-11-13 | 2018-11-13 | A kind of dangerous liquid material detector based on microwave measurement dielectric constant |
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| Publication Number | Publication Date |
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| CN109471182A CN109471182A (en) | 2019-03-15 |
| CN109471182B true CN109471182B (en) | 2019-12-03 |
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| CN201811346719.5A Active CN109471182B (en) | 2018-11-13 | 2018-11-13 | A kind of dangerous liquid material detector based on microwave measurement dielectric constant |
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| CN103630555A (en) * | 2013-11-21 | 2014-03-12 | 烟台大学 | Method for detecting liquid hazardous substances by adopting microwave multi-frequency-point vector detection |
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| CN206270514U (en) * | 2016-10-26 | 2017-06-20 | 声迅电子设备有限公司 | A kind of hand-held dangerous liquid detection means |
| CN108709526A (en) * | 2018-08-01 | 2018-10-26 | 孙永妹 | A kind of flash plate thickness of coating tester |
-
2018
- 2018-11-13 CN CN201811346719.5A patent/CN109471182B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3880581T2 (en) * | 1987-08-14 | 1993-09-09 | Shell Int Research | METHOD FOR DETERMINING AN UNWANTED POLLUTION IN OIL BARRELS BEFORE IT IS FILLED. |
| CN103630555A (en) * | 2013-11-21 | 2014-03-12 | 烟台大学 | Method for detecting liquid hazardous substances by adopting microwave multi-frequency-point vector detection |
| CN206270514U (en) * | 2016-10-26 | 2017-06-20 | 声迅电子设备有限公司 | A kind of hand-held dangerous liquid detection means |
| CN106525912A (en) * | 2016-12-14 | 2017-03-22 | 上海良相智能化工程有限公司 | Liquid security check instrument |
| CN108709526A (en) * | 2018-08-01 | 2018-10-26 | 孙永妹 | A kind of flash plate thickness of coating tester |
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| Title |
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| 液体安全检查技术综述;胡海峰等;《中国体视学与图像分析》;20090925;第14卷(第03期);第321-325页 * |
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