CN109839486B - Simple detection device for fruit and vegetable pesticide and use method - Google Patents
Simple detection device for fruit and vegetable pesticide and use method Download PDFInfo
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- CN109839486B CN109839486B CN201910135008.1A CN201910135008A CN109839486B CN 109839486 B CN109839486 B CN 109839486B CN 201910135008 A CN201910135008 A CN 201910135008A CN 109839486 B CN109839486 B CN 109839486B
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Abstract
The invention relates to a simple detection device for fruit and vegetable pesticides, which comprises: the device comprises a shell, a button, a reagent cavity and a sample cavity; the shell is a flexible part, at least one reagent cavity and at least one sample cavity are arranged in the shell, a plurality of sampling needles are arranged at the bottom of the sample cavity at intervals, a button is arranged at the top of the reagent cavity, stand columns are arranged at intervals in the reagent cavity at the bottom of the button, the stand columns can be driven to move by pressing the button, so that a detection reagent in the reagent cavity is dripped into the sample cavity, the detection reagent is dripped onto a sample in the sample cavity to react, and pesticide residue is detected; when the sample cavities are multiple, the multiple sample cavities are arranged in a separated mode, different reagents are placed in each reagent cavity, the reagents are dripped into the sample cavities through the reagent cavities, and the different reagents react with fruit and vegetable juice in the sample cavities, so that different pesticides contained in the fruit and vegetable juice can be detected.
Description
Technical Field
The invention relates to a pesticide detection device, in particular to a simple fruit and vegetable pesticide detection device and a using method thereof.
Background
The pesticide is easy to remain in crops or other environments due to strong chemical stability, and when the residue reaches a certain value, the pesticide is regressed by people to cause chronic poisoning.
At present, methods for solving the problem of organophosphorus pesticide residue are mainly chromatographic methods, such using methods are complex to process, expensive instruments are required to be matched, the methods are not suitable for field detection, the traditional using method is also based on an enzyme inhibition method, a colorimetric method is adopted for detection, partial vegetables are easy to have false detection in reagent detection, the detection reliability is influenced, and the practicability is low.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides a simple detection device for fruit and vegetable pesticides.
In order to achieve the purpose, the invention adopts a technical scheme that: the utility model provides a simple and easy detection device of fruit vegetables pesticide which characterized in that includes: the device comprises a shell, a button, a reagent cavity and a sample cavity; the casing is the flexible piece, inside at least one reagent chamber and at least one sample chamber of being provided with of casing, sample chamber bottom interval is provided with a plurality of sample needle, the reagent chamber top is provided with the button, the button bottom is located reagent intracavity interval and is provided with the stand, presses down the button can drive the stand and remove, thereby will the testing reagent of reagent intracavity drips into in the sample intracavity, the testing reagent drips into and reacts on the sample of sample intracavity to detect pesticide residue.
In a preferred embodiment of the present invention, the sample chambers correspond to the reagent chambers one to one.
In a preferred embodiment of the present invention, through holes corresponding to the pillars are formed in the intermediate partition between the sample chamber and the reagent chamber.
In a preferred embodiment of the present invention, the through hole is provided with a locking pin.
In a preferred embodiment of the present invention, when the button is pressed, the button drives the pillar to move, and the pillar can drive the clamping pillar to move, so that the reagent in the reagent chamber is dropped into the sample chamber.
In a preferred embodiment of the invention, the edge of the end face of the bottom of the shell is provided with a rubber ring.
In a preferred embodiment of the present invention, a handle is disposed on the side wall of the housing.
The other technical scheme adopted by the invention is as follows: a method of using a test device, comprising the steps of:
(1) the handle is held by a hand to lift the detection device, the sampling needle at the bottom of the shell is inserted into the fruits and vegetables, the shell is a flexible part, the end surface of the bottom can wrap the fruits and vegetables, the detection device is shaken by the handle, and the rubber ring at the bottom of the shell can seal the contact position of the detection device and the fruits and vegetables, so that fruit and vegetable juice is prevented from flowing out during sampling;
(2) when the handle is shaken, the sampling needles collect juice flowing out of the punctured positions of the fruits and the vegetables into the sample cavities, when the sample cavities are plural, the plural sample cavities are arranged in a separated mode, the bottom of any sample cavity is provided with the sampling needles, and the collected fruit and vegetable juice samples are ensured to be in each sample cavity;
(3) the sample cavity corresponds to the reagent cavity one by one, and the upright columns in the reagent cavity are movably inserted into the through holes by pressing the buttons, so that the clamping columns in the through holes are pushed to enter the sample cavity for a certain distance, and then the reagent in the reagent cavity can be dripped into the sample cavity;
(4) different reagents are placed in each reagent cavity, the reagent is dripped into the sample cavity through the reagent cavity, and different reagents react with fruit and vegetable juice in the sample cavity, so that different pesticides contained in the fruit and vegetable juice can be detected.
In a preferred embodiment of the invention, the reaction time of the reagent and the fruit and vegetable juice in the sample cavity is 5-10 minutes.
The invention solves the defects in the background technology, and has the following beneficial effects:
(1) detection device is the flexible piece, and the casing bottom can be with fruit vegetables parcel when carrying out the pesticide and detecting, and the use occasion is more various, seals between casing and fruit vegetables through the rubber ring, when preventing that the sampling needle from carrying out the fruit vegetables juice sample, causes the outflow of fruit vegetables juice, influences the sample effect.
(2) The detection device top is provided with the button, instils into the sample intracavity through the reagent of button control reagent intracavity and carries out the pesticide and detect, and is simple to use nimble, and a plurality of sample chambeies are separated and are arranged, has put different reagents in each reagent intracavity, instils into reagent to the sample intracavity through the reagent chamber, and the fruit vegetables juice of different reagents and sample intracavity takes place the reaction to can detect the different pesticide that contains in the fruit vegetables juice, use in a flexible way.
(3) Reagent chamber and sample chamber layering arrange, reduce detection device's occupation space, convenient to carry can realize on-the-spot detection, need not cooperate high accuracy instrument just can be to fruit vegetables pesticide residue qualitative analysis, and is simple to use.
(4) The casing top is provided with the recess corresponding with the button, prevents that detection device from bumping the button because of the mistake and causing the maloperation when need not instil into the sample chamber with reagent to influence the testing effect, through the parcel nature edge structure of casing, improve detection device's safety in utilization.
(5) When the length of the fruits and vegetables is long, the shell can be designed into a long strip structure, a plurality of reagent cavities and sample cavities are distributed along the length of the shell, sampling detection can be performed on the fruits and the vegetables at different positions respectively, and the reference value of a detection result is high.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a partial schematic structure of a detecting device according to a preferred embodiment of the present invention;
FIG. 2 is a partial structural schematic view of a preferred embodiment housing of the present invention;
FIG. 3 is a schematic view of the distribution of sampling needles in accordance with the preferred embodiment of the present invention;
FIG. 4 is a partial cross-sectional view of a preferred embodiment of the present invention;
in the figure: 1. the device comprises a shell, 2, a button, 3, a handle, 4, a rubber ring, 5, a sampling needle, 6, a through hole, 7, a stand column, 8, a sample cavity, 9 and a reagent cavity.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings and examples, which are simplified schematic drawings and illustrate only the basic structure of the invention in a schematic manner, and thus show only the constituents relevant to the invention.
As shown in figures 1, 2, 3 and 4, the simple fruit and vegetable pesticide detection device comprises a shell 1, a button 2, a reagent cavity 9 and a sample cavity 8.
Particularly, casing 1 is the flexible piece, 1 inside at least one reagent chamber 9 and at least one sample chamber 8 of being provided with of casing, 8 bottom intervals in sample chamber are provided with a plurality of sample needle 5, 9 tops in reagent chamber are provided with button 2, 2 bottoms in reagent chamber 9 intervals of button are provided with stand 7, press button 2 and can drive stand 7 and remove, thereby instil into sample chamber 8 with the testing reagent in the reagent chamber 9 in, the testing reagent instils into and takes place the reaction on the sample in the sample chamber 8, thereby detect pesticide residue.
Further, sample chamber 8 and reagent chamber 9 one-to-one are provided with the through-hole 6 corresponding with stand 7 on sample chamber 8 and the 9 intermediate bottom in reagent chamber, are provided with the card post in the through-hole 6, and when pressing button 2, button 2 drives stand 7 and removes, and stand 7 can drive the card post and remove to drip into the reagent of reagent chamber 9 inside into in the sample chamber 8.
In other words, the detection device top is provided with button 2, control the reagent in the reagent chamber 9 through button 2 and drip into and carry out the pesticide in the sample chamber 8 and detect, and is simple to use nimble, and a plurality of sample chambers 8 are separated and are arranged, has put different reagent in each reagent chamber 9, through reagent chamber 9 to dripping into the reagent in the sample chamber 8, and the fruit vegetables juice in different reagent and the sample chamber 8 takes place the reaction to can detect the different pesticides that contain in the fruit vegetables juice, use in a flexible way.
1 bottom end face edge of casing is provided with rubber ring 4, and detection device is the flexible piece, and 1 bottom of casing can wrap up fruit vegetables when carrying out the pesticide and detecting, and the use occasion is more various, seals between casing 1 and the fruit vegetables through rubber ring 4, when preventing that sampling needle 5 from carrying out the fruit vegetables juice sample, causes the outflow of fruit vegetables juice, influences the sample effect.
In a preferred embodiment of the present invention, when the length of the fruit and vegetable is longer, the housing 1 may be designed to be a long strip structure, and the reagent chambers 9 and the sample chambers 8 are distributed along the length of the housing 1, so that the fruit and vegetable can be respectively sampled and detected at different positions, the reference value of the detection result is higher, the handle 3 is arranged on the sidewall of the housing 1, and the sampling needle 5 is inserted into the fruit and vegetable to sample the fruit and vegetable juice by holding the handle 3 and shaking the detection device.
The top of the shell 1 is provided with a groove corresponding to the button 2, so that the detection device is prevented from being mistakenly touched by the button 2 to cause misoperation when the reagent is not required to be dripped into the sample cavity 8, the detection effect is influenced, and the use safety of the detection device is improved through the wrapping edge structure of the shell 1.
The invention adopts another technical scheme that: a method of using a test device, comprising the steps of:
(1) the handle 3 is held by hand to lift the detection device, the sampling needle 5 at the bottom of the shell 1 is inserted into fruits and vegetables, the shell 1 is a flexible part, the end surface of the bottom can wrap the fruits and vegetables, the detection device is shaken by the handle 3, and the rubber ring 4 at the bottom of the shell 1 can seal the contact position of the detection device and the fruits and vegetables, so that fruit and vegetable juice is prevented from flowing out during sampling;
(2) when the handle 3 is shaken, the sampling needles 5 collect juice flowing out of the punctured positions of the fruits and the vegetables into the sample cavities 8, when the sample cavities 8 are plural, the plural sample cavities 8 are arranged in a separated mode, and the bottom of any sample cavity 8 is provided with the sampling needles 5, so that the collected fruit and vegetable juice samples are ensured to be in each sample cavity 8;
(3) the sample cavities 8 correspond to the reagent cavities 9 one by one, and the upright columns 7 in the reagent cavities 9 are movably inserted into the through holes 6 by pressing the buttons 2, so that the clamping columns in the through holes 6 are pushed to enter the sample cavities 8 for a certain distance, and further, the reagents in the reagent cavities 9 can be dripped into the sample cavities 8;
(4) different reagents are placed in each reagent cavity 9, the reagents are dripped into the sample cavity 8 through the reagent cavities 9, and different reagents react with fruit and vegetable juice in the sample cavity 8, so that different pesticides contained in the fruit and vegetable juice can be detected.
Furthermore, the reaction time of the reagent and the fruit and vegetable juice in the sample cavity 8 is 5-10 minutes, the reagent cavity 9 and the sample cavity 8 are arranged in a layered mode, the occupied space of the detection device is reduced, the carrying is convenient, the on-site detection can be realized, the qualitative analysis of the pesticide residue on the fruit and vegetable can be realized without matching with a high-precision instrument, and the use is simple.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. The using method of the simple fruit and vegetable pesticide detection device is characterized by comprising the following steps of:
(1) the handle is held by a hand to lift the detection device, the sampling needle at the bottom of the shell is inserted into the fruits and vegetables, the shell is a flexible part, the end surface of the bottom can wrap the fruits and vegetables, the detection device is shaken by the handle, and the rubber ring at the bottom of the shell can seal the contact position of the detection device and the fruits and vegetables, so that fruit and vegetable juice is prevented from flowing out during sampling;
(2) when the handle is shaken, the sampling needles collect juice flowing out of the punctured positions of the fruits and the vegetables into the sample cavities, when the sample cavities are plural, the plural sample cavities are arranged in a separated mode, the bottom of any sample cavity is provided with the sampling needles, and the collected fruit and vegetable juice samples are ensured to be in each sample cavity;
(3) the sample cavity corresponds to the reagent cavity one by one, and the upright columns in the reagent cavity are movably inserted into the through holes by pressing the buttons, so that the clamping columns in the through holes are pushed to enter the sample cavity for a certain distance, and then the reagent in the reagent cavity can be dripped into the sample cavity;
(4) different reagents are placed in each reagent cavity, the reagents are dripped into the sample cavities through the reagent cavities, and the different reagents react with fruit and vegetable juice in the sample cavities, so that different pesticides contained in the fruit and vegetable juice can be detected;
simple and easy detection device of fruit vegetables pesticide includes: the device comprises a shell, a button, a reagent cavity and a sample cavity;
the casing is the flexible piece, inside at least one reagent chamber and the at least one sample chamber of being provided with of casing, sample chamber bottom interval is provided with a plurality of sample needle, the reagent chamber top is provided with the button, the button bottom is located reagent intracavity interval and is provided with the stand, through pressing the button can drive the stand and remove, thereby will detect reagent in the reagent intracavity instils into the sample intracavity, and detect reagent instils into the sample intracavity and reacts with the sample to detect pesticide residue.
2. The use method of the simple fruit and vegetable pesticide detection device according to claim 1, characterized in that: the sample cavity corresponds to the reagent cavity one by one.
3. The use method of the simple fruit and vegetable pesticide detection device according to claim 2, characterized in that: through holes corresponding to the upright columns are formed in the middle partition plates of the sample cavity and the reagent cavity.
4. The use method of the simple fruit and vegetable pesticide detection device according to claim 3, characterized in that: and a clamping column is arranged in the through hole.
5. The use method of the simple fruit and vegetable pesticide detection device according to claim 4, characterized in that: when pressing the button, the button drives the stand and removes, the stand can drive the card post removes to instil into the sample intracavity with the reagent of reagent intracavity portion.
6. The use method of the simple fruit and vegetable pesticide detection device according to claim 5, characterized in that: and the edge of the end face of the bottom of the shell is provided with a rubber ring.
7. The use method of the simple fruit and vegetable pesticide detection device according to claim 1, characterized in that: the side wall of the shell is provided with a handle.
8. The use method of the simple fruit and vegetable pesticide detection device according to claim 1, characterized in that: the reaction time of the reagent and the fruit and vegetable juice in the sample cavity is 5-10 minutes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910135008.1A CN109839486B (en) | 2019-02-25 | 2019-02-25 | Simple detection device for fruit and vegetable pesticide and use method |
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| CN201910135008.1A CN109839486B (en) | 2019-02-25 | 2019-02-25 | Simple detection device for fruit and vegetable pesticide and use method |
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| CN109839486B true CN109839486B (en) | 2022-03-15 |
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