CN204228640U - Detecting Pesticide equipment - Google Patents
Detecting Pesticide equipment Download PDFInfo
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- CN204228640U CN204228640U CN201420755794.8U CN201420755794U CN204228640U CN 204228640 U CN204228640 U CN 204228640U CN 201420755794 U CN201420755794 U CN 201420755794U CN 204228640 U CN204228640 U CN 204228640U
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Abstract
The utility model provides a kind of Detecting Pesticide equipment, comprise the portable casing with accommodated inside space and external data processor, it is characterized in that: be provided with successively along the flow direction of test fluid in described casing and detect entrance, thermostat, enzyme reactor and sump pit, described enzyme reactor is provided with the calorimetric sensors be electrically connected with described external data processor.Detecting Pesticide equipment of the present utility model, whole detection module is integrated to be put in order in portable casing, easy to carry, first carry out compared with zero before Site Detection, only need to gather sample liquid when Site Detection to add from sample liquid entrance, utilize organophosphorus pesticide inhibitory enzyme activity in enzymatic reaction process and thermal effect is reduced principle to detect residual quantity, calorimetric sensors gathers the change of thermal effect, processor analysis, and the on-the-spot fast accurate finally realizing residues of pesticides detects.
Description
Technical field
The utility model relates to a kind of checkout equipment, particularly relates to a kind of checkout equipment of fast detecting pesticide residue.
Background technology
Organophosphorus pesticide is widely used in agricultural production, it has higher acute toxicity, larger harm is caused to environment and human health, a few days ago, organophosphorus pesticide excessive problem brings hidden trouble to foodsafety, control residues of pesticides the most one of effective method are the dynamics strengthening Detecting Pesticide, in existing food safety detection process, usually need complicated pre-treatment, be difficult to realize Site Detection, high with the testing cost that this brings, the problems such as sense cycle is long hinder the popularization of agriculture residue detection development, the utility model is exactly improve for this defect of existing checkout equipment, the portable detection equipment that a kind of fast accurate detects is proposed.
Summary of the invention
In order to solve the deficiency in background technology, the purpose of this utility model is the defect overcoming background technology, provides one Detecting Pesticide equipment fast, accurately, easy to carry, can foundation-free operation.
For achieving the above object, the technical solution adopted in the utility model is: a kind of Detecting Pesticide equipment, comprise the portable casing with accommodated inside space and external data processor, it is characterized in that: be provided with successively along the flow direction of test fluid in described casing and detect entrance, thermostat, enzyme reactor and sump pit, described enzyme reactor is provided with the calorimetric sensors be electrically connected with described external data processor.
In the utility model preferred embodiment, comprise described detection entrance further and be provided with at least three, be respectively sample liquid entrance, buffer inlet and substrate inlet, also be provided with fluid mixing chamber between described detection entrance and thermostat, described substrate inlet is connected by six-way valve with between fluid mixing chamber.
In the utility model preferred embodiment, comprise further between described fluid mixing chamber and thermostat and be provided with sample spliter, the fluid flowing through described fluid mixing chamber is divided in two independent calibration cells arranged that two parts of same parameter flow in described thermostat respectively by described sample spliter.
In the utility model preferred embodiment, comprise described enzyme reactor further and have the first reactor and the second reactor that split independently arranges, described first reactor is connected with calibration cell described in two respectively with the second reactor.
In the utility model preferred embodiment, comprise further in described portable casing and be also provided with adiabatic box, described adiabatic box is by sealed, thermally insulated interior to described enzyme reactor, calorimetric sensors.
In the utility model preferred embodiment, comprise described calorimetric sensors further and there is the temperature-sensing element wrapped by lagging casing, be electrically connected by sampling thief between described temperature-sensing element with external data processor.
Usefulness of the present utility model is: Detecting Pesticide equipment of the present utility model, whole detection module is integrated to be put in order in portable casing, easy to carry, first carry out compared with zero before Site Detection, only need to gather sample liquid when Site Detection to add from sample liquid entrance, utilize organophosphorus pesticide inhibitory enzyme activity in enzymatic reaction process and the principle that thermal effect is reduced to detect residual quantity, calorimetric sensors gathers change, the processor analysis of thermal effect, and the on-the-spot fast accurate finally realizing residues of pesticides detects.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the overhaul flow chart of the utility model preferred embodiment;
Fig. 2 is the structural representation of the calorimetric sensors of the utility model preferred embodiment.
In figure: 2, portable casing, 4, external data processor, 6, detect entrance, 8, thermostat, 10, enzyme reactor, 12, sump pit, 14, calorimetric sensors, 16, sample liquid entrance, 18, buffer inlet, 20, substrate inlet, 22, fluid mixing chamber, 23, six-way valve, 24, sample spliter, 26, calibration cell, 28, the first reactor, the 30, second reactor, 32, adiabatic box, 34, lagging casing, 36, temperature-sensing element, 38, sampling thief.
Embodiment
In order to make those skilled in the art person understand the utility model scheme better, and enable above-mentioned purpose of the present utility model, feature and advantage become apparent more, below in conjunction with embodiment and embodiment accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, the utility model provides a kind of equipment for detecting organophosphorus pesticide, comprise the portable casing 2 with accommodated inside space and external data processor 4, be provided with successively along the flow direction of test fluid in described casing 2 and detect entrance 6, thermostat 8, enzyme reactor 10 and sump pit 12, described enzyme reactor 10 is provided with the calorimetric sensors 14 be electrically connected with described external data processor 4.Checkout equipment of the present utility model adopts acetic acid-α naphthalene ester as substrate, enzyme reactor adopts phytoenzyme (wheat enzyme), in testing process, enzyme carries out catalysis to substrate, there is hydrolysis reaction, generate Heat of Hydrolysis, when there being agricultural chemicals, enzyme is suppressed, the corresponding minimizing of Heat of Hydrolysis, utilization thermal sensor 14 gathers the changing value of Heat of Hydrolysis and compares analysis by the hydrolysis value of processor to this change thus obtain the residual concentration of agricultural chemicals.Fluid temperature (F.T.) insulation is stabilized on enzyme optimal reaction temperature by thermostat 8, has obtained good response signal and reappearance.
Described detection entrance 6 is provided with at least three, be respectively sample liquid entrance 16, buffer inlet 18 and substrate inlet 20, also be provided with fluid mixing chamber 22 between described detection entrance 6 and thermostat 8, described substrate inlet 20 is connected by six-way valve 23 with between fluid mixing chamber 22.
Sample spliter 24 is provided with between described fluid mixing chamber 22 and thermostat 8, the fluid flowing through described fluid mixing chamber 22 is divided in two independent calibration cells 26 arranged that two parts of same parameter flow in described thermostat 8 respectively by described sample spliter 24, described enzyme reactor 10 has the first reactor 28 and the second reactor 30 that split is independently arranged, and described first reactor 28 is connected with calibration cell described in two 26 respectively with the second reactor 30.The reaction mixture fluid of the constant temperature in fluid mixing chamber 22 is divided into two parts of same parameter and respectively flows through in the first reactor 28 and the second reactor 30 by sample spliter 24, the utility model preferably the first reactor 28 is enzyme reactor, second reactor 30 is reference reaction device, the response circuit that the independent two-way structural parameters arranged are consistent, stopped to flow interference, two independent reactors arranged eliminate external interference and other thermal effect.
In order to reduce the impact of environmental interference, as shown in Figure 2, adiabatic box 32 is also provided with in described portable casing 2, described adiabatic box 32 is by sealed, thermally insulated interior to described enzyme reactor 10, calorimetric sensors 14, described calorimetric sensors 14 has the temperature-sensing element 36 wrapped by lagging casing 34, and described temperature-sensing element 36 is electrically connected by sampling thief 38 with between external data processor 4.
Checkout equipment of the present utility model in use, open system, damping fluid starts to be full of whole stream from buffer inlet 18, thermostat enters temperature constant state, processor shows current parameter, after output signal is steady, carry out blank compared with zero, correcting the signal now exported is zero, to eliminate the interference due to factor generations such as the heats of mixing in the first reactor 28 and the second reactor 30, then successively from sample liquid entrance 16, substrate inlet 20 passes into sample liquid and quantitative substrate, the hot state reflecting well organophosphorus pesticide that calorimetric sensors 14 exports, intuitively shown by the display screen of external data processor 4, thus realize foundation-free operation.
Above-described embodiment is the utility model preferably embodiment; but embodiment of the present utility model is not limited by the examples; the change done under other any does not deviate from Spirit Essence of the present utility model and principle, modification, substitute, combine, simplify the substitute mode that all should be equivalence, be included within protection domain of the present utility model.Therefore, the protection domain that protection domain of the present utility model should define with claim is as the criterion.
Claims (6)
1. a Detecting Pesticide equipment, comprise the portable casing with accommodated inside space and external data processor, it is characterized in that: be provided with successively along the flow direction of test fluid in described casing and detect entrance, thermostat, enzyme reactor and sump pit, described enzyme reactor is provided with the calorimetric sensors be electrically connected with described external data processor.
2. Detecting Pesticide equipment according to claim 1, it is characterized in that: described detection entrance is provided with at least three, be respectively sample liquid entrance, buffer inlet and substrate inlet, also be provided with fluid mixing chamber between described detection entrance and thermostat, described substrate inlet is connected by six-way valve with between fluid mixing chamber.
3. Detecting Pesticide equipment according to claim 2, it is characterized in that: be provided with sample spliter between described fluid mixing chamber and thermostat, the fluid flowing through described fluid mixing chamber is divided in two independent calibration cells arranged that two parts of same parameter flow in described thermostat respectively by described sample spliter.
4. Detecting Pesticide equipment according to claim 3, is characterized in that: described enzyme reactor has the first reactor and the second reactor that split independently arranges, and described first reactor is connected with calibration cell described in two respectively with the second reactor.
5. Detecting Pesticide equipment according to claim 1, is characterized in that: be also provided with adiabatic box in described portable casing, and described adiabatic box is by sealed, thermally insulated interior to described enzyme reactor, calorimetric sensors.
6. Detecting Pesticide equipment according to claim 5, be is characterized in that: described calorimetric sensors has the temperature-sensing element wrapped by lagging casing, is electrically connected between described temperature-sensing element with external data processor by sampling thief.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420755794.8U CN204228640U (en) | 2014-12-05 | 2014-12-05 | Detecting Pesticide equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420755794.8U CN204228640U (en) | 2014-12-05 | 2014-12-05 | Detecting Pesticide equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204228640U true CN204228640U (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420755794.8U Expired - Fee Related CN204228640U (en) | 2014-12-05 | 2014-12-05 | Detecting Pesticide equipment |
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| Country | Link |
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| CN (1) | CN204228640U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502401A (en) * | 2014-12-05 | 2015-04-08 | 苏州国环环境检测有限公司 | Pesticide residue detection equipment |
-
2014
- 2014-12-05 CN CN201420755794.8U patent/CN204228640U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502401A (en) * | 2014-12-05 | 2015-04-08 | 苏州国环环境检测有限公司 | Pesticide residue detection equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20201205 |
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| CF01 | Termination of patent right due to non-payment of annual fee |