CN107703018A - A kind of Ping Guo Du moth insect pest prior-warning device - Google Patents
A kind of Ping Guo Du moth insect pest prior-warning device Download PDFInfo
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- CN107703018A CN107703018A CN201711111695.0A CN201711111695A CN107703018A CN 107703018 A CN107703018 A CN 107703018A CN 201711111695 A CN201711111695 A CN 201711111695A CN 107703018 A CN107703018 A CN 107703018A
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- 241000238631 Hexapoda Species 0.000 title claims abstract description 52
- 241000607479 Yersinia pestis Species 0.000 title claims abstract description 48
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 230000008859 change Effects 0.000 claims description 18
- 229920003023 plastic Polymers 0.000 claims description 13
- 239000004033 plastic Substances 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 239000013078 crystal Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 239000002086 nanomaterial Substances 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 8
- 239000010453 quartz Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- -1 Polysiloxanes Polymers 0.000 claims description 6
- 229920001296 polysiloxane Polymers 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical group [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 239000002109 single walled nanotube Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 1
- 235000013399 edible fruits Nutrition 0.000 abstract description 26
- 239000000126 substance Substances 0.000 abstract description 11
- 230000035945 sensitivity Effects 0.000 abstract description 10
- 230000004044 response Effects 0.000 abstract description 7
- 238000003380 quartz crystal microbalance Methods 0.000 description 29
- 125000004494 ethyl ester group Chemical group 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 8
- 239000002420 orchard Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 150000002148 esters Chemical class 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 244000141359 Malus pumila Species 0.000 description 4
- 235000011430 Malus pumila Nutrition 0.000 description 4
- 235000015103 Malus silvestris Nutrition 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 150000001336 alkenes Chemical class 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 3
- 241000220324 Pyrus Species 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000005667 attractant Substances 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000031902 chemoattractant activity Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 235000021017 pears Nutrition 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 244000144730 Amygdalus persica Species 0.000 description 1
- 244000018633 Prunus armeniaca Species 0.000 description 1
- 235000009827 Prunus armeniaca Nutrition 0.000 description 1
- 235000006040 Prunus persica var persica Nutrition 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000003542 behavioural effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002079 cooperative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- OPCRGEVPIBLWAY-QNRZBPGKSA-N ethyl (2E,4Z)-deca-2,4-dienoate Chemical compound CCCCC\C=C/C=C/C(=O)OCC OPCRGEVPIBLWAY-QNRZBPGKSA-N 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000004345 fruit ripening Effects 0.000 description 1
- 244000038280 herbivores Species 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- XEBKSQSGNGRGDW-UHFFFAOYSA-N kairomone Natural products CCCCCC=CCC(O)C(O)CCCCCCCC(O)=O XEBKSQSGNGRGDW-UHFFFAOYSA-N 0.000 description 1
- 239000002410 kairomone Substances 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/02—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by absorbing or adsorbing components of a material and determining change of weight of the adsorbent, e.g. determining moisture content
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses a kind of Ping Guo Du moth insect pest prior-warning device, including：Vertically arranged first support arm；The second support arm laterally set being connected with the first support arm end；The alarm being connected with the second support arm end；And 2,4 decatrienoic acid ethyl ester sensors of fixation are combined with the alarm bottom；Wherein, the alarm and 2, the electrical connection of 4 decatrienoic acid ethyl ester sensors.The present invention is using 2,4 decatrienoic acid ethyl esters of mass type chemical sensor detection fruit tree release, and prepared detection means has the advantages of high sensitivity and fast response time, suitable for real-time, the quick and accurate detection of 2,4 decatrienoic acid ethyl esters of fruit tree release.
Description
Technical field
The present invention relates to technical field of agricultural information.More particularly, to a kind of Ping Guo Du moth insect pest prior-warning device.
Background technology
Ping Guo Du moths, it is distributed widely in the almost all of apple producing region in the continent of the world 6, is that pomaceous fruit tree ruins in the world
Going out property eats into fruit insect.The worm eats into the fruit of food apple, pears, apricot, peach, fig etc. with larva, causes a large amount of insect pest fruits, and cause
Come off and rot before fruit maturation, borer fruit rate is serious up to 70% -100% generally more than 50%, has had a strong impact on the country
Outer fruit industry safety.In China, carpocapsa pononella is fitted extensively is born in Xinjiang, Gansu, the Inner Mongol, Ningxia, Shaanxi, Shanxi, Hebei, north
The provinces and regions such as capital, Tianjin, Shandong, Liaoning and Yunnan, Guizhou, the high altitude localities in Sichuan.
At present, the monitoring and warning of China carpocapsa pononella relies primarily on artificial observation, in host crop growing area and propagation
High-risk area lays monitoring network, organizes agriculture technical staff to go deep into orchard survey worm in the repeating transmission area of epidemic situation and incoming high risk area
Evil situation.Artificial observational technique generally the epidemic situation was severe occur after carry out the work, take time and effort, it is impossible to effectively carpocapsa pononella is entered
Row early warning.
Therefore, the invention provides a kind of Ping Guo Du moth insect pest prior-warning device, at least solve the problems, such as one of above-mentioned.
The content of the invention
It is an object of the present invention to provide one kind 2,4- decatrienoic acid ethyl ester sensors.The sensor is to 2, the 4- last of the ten Heavenly stems two
The detection sensitivity of olefin(e) acid ethyl ester is high, fast response time.
Second object of the present invention is to provide a kind of Ping Guo Du moth insect pest prior-warning device.The device by sensitivity it is high,
Fast and accurately chemical sensor realizes real-time monitoring and early warning to carpocapsa pononella insect pest in orchard, compared to artificial meat
Observe and survey carpocapsa pononella insect pest with scientific and reliability.
Third object of the present invention is to provide a kind of application of Ping Guo Du moth insect pest prior-warning device.
To reach above-mentioned first purpose, the present invention uses following technical proposals：
One kind 2,4- decatrienoic acid ethyl ester sensors, including：QCM, it is formed at the micro- day of the quartz crystal
The sensitive layer of flat surface and the signal processing circuit electrically connected with the QCM.Wherein, the sensitive layer is used
In adsorbed gas 2,4- decatrienoic acid ethyl esters；The QCM is used for the mass change for measuring sensitive layer, so as to change
Become resonant frequency；The signal processing circuit is used for the frequency change for detecting QCM, and micro- for quartz crystal
The output signal of balance is calibrated and changed.
Preferably, the material of the sensitive layer is polysiloxanes and carbon nanomaterial composite, wherein polysiloxanes category
In hydrogen bond acidic polymer, promote the absorption of 2,4- decatrienoic acid ethyl esters using the effect of dual hydrogen bond, so that quartz crystal
Microbalance sensor has bigger sensitivity；The swift electron transmission characteristic of carbon nanomaterial further improves the sound of sensor
Answer speed.
Preferably, the carbon nanomaterial is graphene or single-walled carbon nanotube.
Preferably, the base beginning frequency of the QCM is 8MHz.
Preferably, the electrode of the QCM is gold electrode.
Preferably, the signal processing circuit includes signal detection module, self calibration module and A/D modular converters；It is described
Signal detection module is used for the frequency change for detecting the QCM；The self calibration module is used for the quartz
The output signal of crystal microbalance is calibrated；The A/D modular converters are used for the output after the self calibration modular calibration
Signal is converted to data signal.
To reach above-mentioned second purpose, the present invention uses following technical proposals：
A kind of Ping Guo Du moth insect pest prior-warning device, including：
Vertically arranged first support arm；
The second support arm laterally set being connected with the first support arm end；
The alarm being connected with the second support arm end；And
2, the 4- decatrienoic acid ethyl ester sensors of fixation are combined with the alarm bottom；Wherein,
Alarm and 2,4- decatrienoic acid ethyl ester the sensor electrical connection.
During insect and the long-term coevolution of plant, plant-feed insect is carried out using host plant smell volatile matter
The behavioral activities such as host, mating communication and selection spawning place are found, the volatility signal of host plant is insect lipids communication
Required medium, the various actions activity of carpocapsa pononella is all closely related with Herbivore smell.2,4- decatrienoic acid ethyl esters
(pear ester) is main compound best to carpocapsa pononella attractant effect in fruit tree especially apple tree volatile compound, while
It is current commercialized carpocapsa pononella kairomone.2,4- decatrienoic acid ethyl esters all have to the larva of carpocapsa pononella, male and female individual
Strong attracting action.Therefore, can be to carpocapsa pononella insect pest by monitoring the concentration of 2,4- decatrienoic acids ethyl ester around fruit tree
Early warning provides reference frame, strives for the opportune time for carpocapsa pononella preventing and controlling.Carpocapsa pononella insect pest early warning proposed by the present invention
Device, be monitored in real time by chemical sensor fruit tree release induction carpocapsa pononella insect pest 2,4- decatrienoic acid ethyl esters it is dense
Degree, the change by detecting 2,4- decatrienoic acid ethyl ester concentration turns to fruit tree carpocapsa pononella insect pest early warning and preventing and controlling provide reliably
Foundation.
Preferably, the first support arm includes embedded step by step hollow flexible vertical tube and diameter and hollow stretch is erected
The adaptable elastic force curly bedding of tube head；The quantity of the hollow flexible vertical tube is at least 5.
Preferably, the second support arm includes embedded step by step hollow flexible transverse tube and diameter and the hollow flexible horizontal stroke
The adaptable elastic force curly bedding of tube head；The quantity of the hollow flexible transverse tube is at least 3.
Preferably, the material of the first support arm is plastics or stainless steel.
Preferably, the material of the second support arm is plastics or stainless steel.
Preferably, the first support arm is connected with second support arm by connection member, and the connection member can be from level
Direction is rotated down 0~90 degree.
Preferably, the alarm is connected with second support arm by connecting line.
Preferably, alarm and 2,4- decatrienoic acid the ethyl ester sensor combines fixed mode as welding.
Preferably, alarm and 2,4- decatrienoic acid the ethyl ester sensor is electrically connected by wire.
Preferably, the alarm includes digital circuit and the buzzer electrically connected with digital circuit；Wherein, the numeral
Circuit electrically connects with the signal processing circuit, for receiving and handling signal transacting electricity in 2,4- decatrienoic acid ethyl ester sensors
The output signal on road, and the signal is transmitted to buzzer；The buzzer is used for the signal for receiving digital circuit, and according to advance
The alarm threshold value of setting is alarmed.
To reach above-mentioned 3rd purpose, the present invention uses following technical proposals：
A kind of application of Ping Guo Du moth insect pest prior-warning device, for detecting 2, the 4- last of the ten Heavenly stems two of 0.01~5mg/L concentration ranges
Olefin(e) acid ethyl ester.
Preferably, the response time of the Ping Guo Du moth insect pest prior-warning device is less than 500s, frequency difference change and ammonia concentration
It is linear, coefficient correlation 0.9994.
Preferably, buzzer is touched immediately when the output signal of 2,4- decatrienoic acid ethyl ester sensors exceeds 0.2mg/L
Alarmed, once alarm occurred in 5 seconds for buzzer.
Preferably, buzzer is touched when the output signal of 2,4- decatrienoic acid ethyl ester sensors exceeds 2mg/L to be reported
Alert, once alarm occurred in 1 second for buzzer.
Preferably, the Ping Guo Du moth insect pest prior-warning device is used for the concrete operation method for detecting 2,4- decatrienoic acid ethyl esters
Comprise the following steps：
S1, Ping Guo Du moth insect pest prior-warning devices are positioned in orchard to be measured, are distinguished according to fruit tree to be measured height and width
Adjust first support arm and second support arm so that 2, the 4- decatrienoic acid ethyl ester sensors of Ping Guo Du moth insect pest prior-warning device after regulation
Positioned at the position directly above of fruit tree；
S2, startup power supply, 2,4- decatrienoic acid ethyl ester sensors detect 2, the 4- decatrienoic acid second that fruit tree is discharged in real time
Ester, after 2,4- decatrienoic acid ethyl esters contact with the sensitive layer on QCM electrode, the mass change of sensitive layer,
So that the resonant frequency of QCM changes；The frequency change of signal processing circuit detection QCM
Situation, and the output signal of QCM is calibrated and changed；Buzzer receives the signal of digital circuit, according to
Alarm threshold value set in advance is alarmed：When the output signal of 2,4- decatrienoic acid ethyl ester sensors exceeds 0.2mg/L
Once alarm occurred in 5 seconds for buzzer, the buzzer when the output signal of 2,4- decatrienoic acid ethyl ester sensors exceeds 2mg/L
Alarm occurs within 1 second.
Carpocapsa pononella insect pest prior-warning device proposed by the present invention monitors fruit tree institute in real time using mass type chemical sensor
The concentration of 2, the 4- decatrienoic acid ethyl esters of release, using QCM device, the basic functional principle of the sensor is：
After 2,4- decatrienoic acid ethyl esters contact with the sensitive thin film on QCM, because the specific adsorption of sensitive membrane causes
The quality of QCM resonator changes, so as to cause the change of resonator resonant frequency, by detecting quartz
The frequency of crystal microbalance changes to determine the concentration of 2,4- decatrienoic acid ethyl esters.
Beneficial effects of the present invention are as follows：
(1) present invention realizes real-time monitoring and early warning to carpocapsa pononella insect pest in orchard using chemical sensor, changes
Learning sensor has the advantages that high sensitivity, quick, accurate, has section compared to current manually naked-eye observation carpocapsa pononella insect pest
The property learned and reliability.
(2) 2, the 4- decatrienoic acid ethyl esters that the present invention is discharged using mass type chemical sensor detection fruit tree, by stone
Polysiloxanes/carbon nanomaterial the THIN COMPOSITE to 2,4- decatrienoic acid ethyl esters with specific adsorption is prepared on English crystal microbalance
Film, strengthen sensitivity and response speed of the chemical sensor to 2,4- decatrienoic acid ethyl esters using the cooperative effect of composite,
Prepared detection means has the advantages of high sensitivity and fast response time, suitable for 2, the 4- decatrienoic acid second of fruit tree release
Real-time, the quick and accurate detection of ester.
(3) 2,4- decatrienoic acid second can be achieved further by adjusting the brachium of first support arm and second support arm in the present invention
Detection of the ester sensor to the optional position of fruit tree, there is certain practicality.
Brief description of the drawings
The embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 shows the schematic diagram of Ping Guo Du moth insect pest prior-warning device of the present invention, wherein：101- connection members, 102- second
Support arm, 103- connecting lines, 104- alarms, 105-2,4- decatrienoic acid ethyl esters sensor, 106- first support arms.
Fig. 2 shows the first support arm structural representation of Ping Guo Du moth insect pest prior-warning device of the present invention, wherein：In 201- first
Empty vertical tube, the hollow standpipes of 202- second, the hollow standpipes of 203- the 3rd, the hollow standpipes of 204- the 4th, the hollow standpipes of 205- the 5th,
206- the first elastic force curly beddings.
Fig. 3 shows the second support arm structural representation of Ping Guo Du moth insect pest prior-warning device of the present invention, wherein：In 301- first
Empty transverse tube, the second hollow transverse tubes of 302-, the 3rd hollow transverse tubes of 303-, 304- the second elastic force curly beddings.
Fig. 4 shows the present invention 2,4- decatrienoic acid ethyl ester sensor construction schematic diagrames, wherein：The micro- day of 401- quartz crystals
It is flat, 402- sensitive layers, 403- signal deteching circuits, 404- wires.
Embodiment
In order to illustrate more clearly of the present invention, the present invention is done further with reference to preferred embodiments and drawings
It is bright.Similar part is indicated with identical reference in accompanying drawing.It will be appreciated by those skilled in the art that institute is specific below
The content of description is illustrative and be not restrictive, and should not be limited the scope of the invention with this.
In the description of the invention, unless otherwise indicated, " multiple " are meant that two or more；Term " top
The orientation or position relationship of the instruction such as end ", " bottom ", " interior ", " outer " are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description is of the invention with simplified, rather than the device or element of instruction or hint meaning must be with specifically sides
Position, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Artificial observation is relied primarily on to solve the monitoring and warning of carpocapsa pononella in the prior art, is taken time and effort, it is impossible to effectively
The problems such as carrying out early warning to carpocapsa pononella, the present invention proposes a kind of Ping Guo Du moth insect pest prior-warning device, on the one hand passes through sensitivity
It is high, fast and accurately chemical sensor realizes real-time monitoring and early warning to carpocapsa pononella insect pest in orchard, compared to artificial
The insect pest of naked-eye observation carpocapsa pononella has scientific and reliability；On the other hand it is simple in construction, easy for installation, it is easy to push away on a large scale
It is wide to use.
Specifically, with reference to Fig. 1~4, the present invention provides a kind of Ping Guo Du moth insect pest prior-warning device, including：Vertically arranged
First support arm 106；The second support arm 102 laterally set being connected with the first support arm end；With the second support arm end
The alarm 104 of connection；And 2, the 4- decatrienoic acid ethyl esters sensor 105 of fixation is combined with the alarm bottom；Wherein,
Alarm 104 and 2,4- decatrienoic acid the ethyl ester sensor 105 electrically connects.Because of 2,4- decatrienoic acids ethyl ester (pears in apple tree
Ester) be the main compound best to carpocapsa pononella attractant effect, the present invention in using 2,4- decatrienoic acid ethyl ester sensors with
Alarm is used in combination, and monitors 2, the 4- decatrienoic acids of the induction carpocapsa pononella insect pest of fruit tree release in real time by chemical sensor
The concentration of ethyl ester, alarm signal is sent by alarm, detection is rapid accurately, alarm is timely, is visually seen compared to artificial at present
Surveying carpocapsa pononella insect pest has scientific and reliability.
For ease of the position of adjustment alarm and sensor, the detection to the optional position of fruit tree is realized, described first
Arm 106 includes embedded step by step hollow flexible vertical tube and diameter and crimped with the elastic force that the hollow flexible standpipe head is adapted
Layer；The quantity of the hollow flexible vertical tube is at least 5.
Further, the second support arm 102 include embedded step by step hollow flexible transverse tube and diameter with it is described hollow
The adaptable elastic force curly bedding in flexible transverse tube head；The quantity of the hollow flexible transverse tube is at least 3.
As preferred embodiment, with reference to shown in Fig. 2~Fig. 3, it is hollow that first support arm 106 includes embedded step by step five
The first elastic force curly bedding 206 that flexible vertical tube and diameter are adapted with the hollow flexible standpipe head.Wherein first is hollow
Vertical tube 201 is diameter 5cm, length 70cm hollow plastic pipe；Second hollow standpipe 202 is that diameter 4.5cm, length 65cm are hollow
Plastic tube, the 3rd hollow standpipe 203 are diameter 4cm, length 60cm hollow plastic pipes, and the 4th hollow standpipe 204 is diameter
3.5cm, length 55cm hollow plastic pipes, the 5th hollow standpipe 205 are diameter 3cm, length 50cm hollow plastic pipes.
Second support arm 102 includes embedded step by step three hollow flexible transverse tubes and diameter and the hollow flexible transverse tube head
The second adaptable elastic force curly bedding 304 of portion.Wherein first hollow transverse tube 301 is diameter 5cm, length 50cm hollow plastic pipes,
Second hollow transverse tube 302 is diameter 4.5cm, length 55cm hollow plastic pipes, and the 3rd hollow transverse tube 303 is diameter 4cm, length
60cm hollow plastic pipes.
First support arm shown in Fig. 2 and Fig. 3 includes five hollow flexible vertical tubes, and second support arm is hollow flexible including three
The material of transverse tube, first support arm and second support arm is plastics, it will be appreciated by persons skilled in the art that described first
Arm, the number of second support arm can also be six, eight etc., and the material of the first support arm and second support arm can also be stainless
Steel etc., the number of the first support arm and second support arm, structure and material and nonrestrictive, should not limit the present invention's with this
Protection domain.
To cause Ping Guo Du moth insect pest prior-warning devices to be conveniently adjusted angle, the first support arm 106 and second support arm 102 are logical
Connection member 101 is crossed to connect, the first support arm 106 and second support arm 102 can by the connection member 101 from horizontal direction to
Lower 0~90 degree of rotation, the detection to the optional position of fruit tree is not only further realized comprehensively, and when without using device, can
First support arm and second support arm are folded, are easy to save space.
As preferable connected mode, the alarm 104 and second support arm 102 are connected by connecting line 103.Further
Ground, alarm 104 and 2,4- decatrienoic acid the ethyl ester sensor 105 combine fixed mode as welding.Further, it is described
Alarm 104 and 2,4- decatrienoic acid ethyl ester sensor 105 are electrically connected by wire.
Present invention also offers one kind 2,4- decatrienoic acid ethyl ester sensors, as shown in figure 4, including：The micro- day of quartz crystal
Flat 401, it is formed at the sensitive layer 402 on the QCM surface and is electrically connected with the QCM
Signal processing circuit 403.Wherein, the sensitive layer 402 is used for adsorbed gas 2,4- decatrienoic acid ethyl esters；The quartz crystal
Micro- balance 401 is used for the mass change for measuring sensitive layer 402, so as to change resonant frequency；The signal processing circuit 403 is used for
The frequency change of QCM 401 is detected, and is calibrated and is turned for the output signal of QCM 401
Change.
Further, the QCM 401 and the signal processing circuit 403 are electrically connected by wire 404.
To make quartz crystal microbalance sensor that there is bigger sensitivity, the material of the sensitive layer for polysiloxanes and
Carbon nanomaterial composite, wherein polysiloxanes belong to hydrogen bond acidic polymer, and the effect using dual hydrogen bond promotes 2,4-
The absorption of decatrienoic acid ethyl ester；The swift electron transmission characteristic of carbon nanomaterial further improves the response speed of sensor.
Further, the carbon nanomaterial is graphene or single-walled carbon nanotube.
In addition, the base beginning frequency of the QCM is 8MHz, electrode is gold electrode.
As preferred embodiment, the signal processing circuit 403 includes signal detection module, self calibration module and A/
D modular converters；The signal detection module is used for the frequency change for detecting the QCM；The self calibration module
For the output signal of the QCM to be calibrated；The A/D modular converters are used for the self-correcting quasi-mode
Output signal after block calibration is converted to data signal.
In addition, the alarm 104 includes digital circuit and the buzzer electrically connected with digital circuit；Wherein, the number
Word circuit electrically connects with the signal processing circuit, for receiving and handling signal transacting in 2,4- decatrienoic acid ethyl ester sensors
The output signal of circuit, and the signal is transmitted to buzzer；The buzzer is used for the signal for receiving digital circuit, and according to pre-
The alarm threshold value first set is alarmed.
Present invention also offers a kind of application of Ping Guo Du moth insect pest prior-warning device, for detecting 0.01~5mg/L concentration
2, the 4- decatrienoic acid ethyl esters of scope.
Wherein, the response time of the Ping Guo Du moth insect pest prior-warning device is less than 500s, and frequency difference change is in ammonia concentration
Linear relationship, coefficient correlation 0.9994.
As preferred embodiment, stood when the output signal of 2,4- decatrienoic acid ethyl ester sensors exceeds 0.2mg/L
Touch buzzer to be alarmed, once alarm occurred in 5 seconds for buzzer.
As another preferred embodiment, when the output signal of 2,4- decatrienoic acid ethyl ester sensors exceeds 2mg/L
When touch buzzer alarmed, once alarm occurred in 1 second for buzzer.
Further, the Ping Guo Du moth insect pest prior-warning device is used for the concrete operations side for detecting 2,4- decatrienoic acid ethyl esters
Method comprises the following steps：
S1, Ping Guo Du moth insect pest prior-warning devices are positioned in orchard to be measured, are distinguished according to fruit tree to be measured height and width
Adjust first support arm and second support arm so that 2, the 4- decatrienoic acid ethyl ester sensors of Ping Guo Du moth insect pest prior-warning device after regulation
Positioned at the position directly above of fruit tree；
S2, startup power supply, 2,4- decatrienoic acid ethyl ester sensors detect 2, the 4- decatrienoic acid second that fruit tree is discharged in real time
Ester, after 2,4- decatrienoic acid ethyl esters contact with the sensitive layer on QCM electrode, the mass change of sensitive layer,
So that the resonant frequency of QCM changes；The frequency change of signal processing circuit detection QCM
Situation, and the output signal of QCM is calibrated and changed；Buzzer receives the signal of digital circuit, according to
Alarm threshold value set in advance is alarmed：When the output signal of 2,4- decatrienoic acid ethyl ester sensors exceeds 0.2mg/L
Once alarm occurred in 5 seconds for buzzer, the buzzer when the output signal of 2,4- decatrienoic acid ethyl ester sensors exceeds 2mg/L
Alarm occurs within 1 second.
Compared with the artificial naked-eye observation carpocapsa pononella insect pest of prior art, device of the invention is using chemical sensor come real
Now to the real-time monitoring and early warning of carpocapsa pononella insect pest in orchard, chemical sensor has high sensitivity, quick, accurate etc. excellent
Point, and 2, the 4- last of the ten Heavenly stems two further can be achieved by adjusting the brachium and angle therebetween of first support arm and second support arm
Detection of the olefin(e) acid ethyl ester sensor to the optional position of fruit tree.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention, for those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms, all embodiments can not be exhaustive here, it is every to belong to this hair
Row of the obvious changes or variations that bright technical scheme is extended out still in protection scope of the present invention.
Claims (10)
- A kind of 1. Ping Guo Du moth insect pest prior-warning device, it is characterised in that including：Vertically arranged first support arm；The second support arm laterally set being connected with the first support arm end；The alarm being connected with the second support arm end；And2, the 4- decatrienoic acid ethyl ester sensors of fixation are combined with the alarm bottom；Wherein,Alarm and 2,4- decatrienoic acid ethyl ester the sensor electrical connection.
- 2. Ping Guo Du moth insect pest prior-warning device according to claim 1, it is characterised in that the first support arm is included step by step The elastic force curly bedding that embedded hollow flexible vertical tube and diameter is adapted with the hollow flexible standpipe head；It is described hollow to stretch The quantity of contracting vertical tube is at least 5.
- 3. Ping Guo Du moth insect pest prior-warning device according to claim 1, it is characterised in that the second support arm is included step by step The elastic force curly bedding that embedded hollow flexible transverse tube and diameter is adapted with the hollow flexible transverse tube head；It is described hollow to stretch The quantity of contracting transverse tube is at least 3.
- 4. Ping Guo Du moth insect pest prior-warning device according to claim 1, it is characterised in that the material of the first support arm is Plastics or stainless steel；Preferably, the material of the second support arm is plastics or stainless steel.
- 5. Ping Guo Du moth insect pest prior-warning device according to claim 1, it is characterised in that the first support arm and described Two support arms are connected by connection member, the first support arm and the second support arm by the connection member from horizontal direction to Lower 0~90 degree of rotation；Preferably, the alarm is connected with second support arm by connecting line；Preferably, the alarm and 2, 4- decatrienoic acid ethyl esters sensor combines fixed mode as welding；Preferably, alarm and 2,4- the decatrienoic acid ethyl ester Sensor is electrically connected by wire.
- 6. Ping Guo Du moth insect pest prior-warning device according to claim 1, it is characterised in that the alarm includes numeral electricity Road and the buzzer electrically connected with digital circuit.
- 7. Ping Guo Du moth insect pest prior-warning device according to claim 1, it is characterised in that 2, the 4- decatrienoic acids ethyl ester Sensor includes：QCM, the sensitive layer for being formed at the QCM surface and with the quartz The signal processing circuit of crystal microbalance electrical connection.
- 8. one kind 2,4- decatrienoic acid ethyl ester sensors, it is characterised in that including：QCM, it is formed at the stone The sensitive layer on English crystal microbalance surface and the signal processing circuit electrically connected with the QCM.
- 9. 2,4- decatrienoic acids ethyl ester sensor according to claim 8, it is characterised in that the material of the sensitive layer is Polysiloxanes and carbon nanomaterial composite；Preferably, the carbon nanomaterial is graphene or single-walled carbon nanotube；It is preferred that Ground, the base beginning frequency of the QCM is 8MHz；Preferably, the electrode of the QCM is gold electricity Pole；Preferably, the signal processing circuit includes signal detection module, self calibration module and A/D modular converters；The signal inspection Survey the frequency change that module is used to detect the QCM；The self calibration module is used for the quartz crystal is micro- The output signal of balance is calibrated；The A/D modular converters are used to turn the output signal after the self calibration modular calibration It is changed to data signal.
- 10. a kind of Ping Guo Du moth insect pest prior-warning device is detecting 2, the 4- decatrienoic acid ethyl esters of 0.01~5mg/L concentration ranges Using.
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| CN201711111695.0A CN107703018A (en) | 2017-11-13 | 2017-11-13 | A kind of Ping Guo Du moth insect pest prior-warning device |
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| CN201711111695.0A CN107703018A (en) | 2017-11-13 | 2017-11-13 | A kind of Ping Guo Du moth insect pest prior-warning device |
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