CN205246580U - Fruit vegetables live and organize continuous measurement recorder of freezing point - Google Patents

Fruit vegetables live and organize continuous measurement recorder of freezing point Download PDF

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Publication number
CN205246580U
CN205246580U CN201521060486.4U CN201521060486U CN205246580U CN 205246580 U CN205246580 U CN 205246580U CN 201521060486 U CN201521060486 U CN 201521060486U CN 205246580 U CN205246580 U CN 205246580U
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China
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vegetables
freezing point
fruits
temperature
paper
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CN201521060486.4U
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Chinese (zh)
Inventor
王钢荣
陈存坤
董成虎
王文生
于晋泽
纪海鹏
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National Engineering Technology Research Centre for Preservation of Agricultural Products Tianjin
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National Engineering Technology Research Centre for Preservation of Agricultural Products Tianjin
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Abstract

The utility model discloses a fruit vegetables live and organize continuous measurement recorder of freezing point, including miniature refrigerator, no paper graphic presentation moisture recorder, the superfine temperature sensor of aciculiform. The sensor is connected to no paper graphic presentation moisture recorder. Measuring method as follows: at first inserting resolute vegetables sample with the superfine temperature sensor of aciculiform, making the head of sensor insert the core position of fruit vegetables, then put into miniature refrigerator freezer with the sample, the real -time temperature data who gathers of no paper graphic presentation moisture recorder shows in real time and automatic storage data with real -time figure or data that the data of storage can be reappeard again on the computer. The utility model discloses application scope is very wide, simple structure has, the easy realization, and convenient operation's advantage shortens measuring time. The utility model provides a device of continuous dynamic monitoring fruit vegetables live body temperature variation.

Description

A kind of continuous measurement tape deck of fruits and vegetables living tissue freezing point
Technical field
The utility model relates to fruits and vegetables Icetemperature Storage preservation technique field, be specifically related to a kind of fruits and vegetables living tissue undercooling point,The continuous measurement of freezing point, self-recording unit.
Background technology
Most domestic fruits and vegetables adopt the method for preservation by low temperature at present, are not that nearly freezing point storage easily causes fruit vegetables storing productMatter declines, and ice-temperature technique is own very wide through coverage rate in agricultural product abroad. Critical ice temperature storage can press down to greatest extentThe vital movement of fruits and vegetables processed, the senescence process of control fruits and vegetables, is considered to a kind of storage fruit and vegetable method preferably, for example profitUse deepfreeze technology, pears are the longest can only be fresh-keeping about 1 week, and ice temperature state is next can be fresh-keeping more than 200 days. AdoptingIn critical ice temperature when storage,, first need to know in advance undercooling point and the freezing point of fruits and vegetables, but its undercooling point of different fruits and vegetables, freezing pointAll not identical, so fruits and vegetables are adopted before freeze preservation, need to measure undercooling point, the freezing point of fruits and vegetables. Its two fruits and vegetables group aliveIt is different knitting from the freezing point of dead tissue. For fruits and vegetables, the freezing test method that document is recorded is at present known cryosel water-bathAssay method, the freezing point that the method is measured is the freezing point temperature of juice after fruit press, and the freezing point temperature of fruits and vegetables exists certainDifference, conventionally the living tissue freezing point temperature of fruits and vegetables is lower than the freezing point temperature of its juice, therefore traditional cryosel immersion method forFruits and vegetables store practical operation and have certain measure error. Its three mensuration freezing point must be carried out fast for every batch of warehouse-in fruits and vegetables,On-site measurement freezing point requires practical, quick, simple and easy. About the mensuration of the undercooling point of fruits and vegetables, still apply traditional cryosel at presentImmersion method, is difficult to meet above-mentioned 3 requirements.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the utility model provides a kind of continuous survey of fruits and vegetables living tissue freezing pointAmount, tape deck. It is simple and compact for structure, with low cost, can measure easily various fruits and vegetables living tissue undercooling points, icePoint also provides the measuring method of fruits and vegetables living tissue undercooling point, freezing point simultaneously.
The technical scheme that the utility model adopts is:
A continuous measurement tape deck for fruits and vegetables living tissue freezing point, is characterized in that comprising micro refrigerator 1, illustrates without paperMoisture recorder 3, the ultra-fine temperature sensor 2 of aciculiform; The ultra-fine temperature sensor of described aciculiform is connected to without paper diagram thermographInstrument; The ultra-fine temperature sensor of described aciculiform is single temperature spot or many temperature spots Needle type sensors; Without paper diagram moisture recorderFor single channel or multi-Channels Data Acquisition; There are RS-485 or RS-232 communication interface and usb data to connect without paper graphic recorderMouthful. In the time adopting multipoint thermocouple and multichannel recording instrument without paper, can once carry out Multi-example and test simultaneously. Described miniature iceCase is general refrigerator, vehicle-mounted micro household freezer or experiment household freezer.
The ultra-fine temperature sensor of aciculiform described in the utility model be single temperature spot or many temperature spots Needle type sensors (purchased fromHYP0 type thermocouple probe and 10 PP10-36 that U.S. OMEGAEngineering produces, or adopt domestic various thornsEnter formula armoured thermocouple). In the time adopting multipoint thermocouple and multichannel recording instrument without paper, can once carry out Multi-example and survey simultaneouslyExamination. Described micro refrigerator can be also general refrigerator, vehicle-mounted micro household freezer or experiment household freezer. Described without paper graphic recorderAlso can be temperature recorder (as German De Tu-testo electron temperature recorder).
Described in the utility model can be that single channel can be also multichannel without paper graphic recorder; Without paper graphic recorderSampling period be 1 second, record period is optional from 1 second to several minutes; There are RS-485 or RS-232 communication without paper graphic recorderInterface and usb data interface; Can without paper graphic recorder (as the LR multichannel recording instrument without paper of producing purchased from Hangzhou translocation)Displays temperature curve, Temperature numerical, temperature rod figure picture, also can show history curve in real time.
The utility model refers to multi-Channels Data Acquisition without paper diagram moisture recorder and (accepts temperature sensor signalCommercially available various multi-channel data acquisition recording instrument without paper).
The utility model further discloses and has adopted continuous measurement, the tape deck of fruits and vegetables living tissue freezing point to measureMethod, comprises micro refrigerator, illustrates moisture recorder, the ultra-fine temperature sensor of aciculiform without paper. Described thermocouple is connected to without paperDiagram moisture recorder. Measuring method is as follows: first ultra-fine aciculiform temperature sensor is inserted to fruits and vegetables sample, make the head of thermocouplePortion is inserted into the core position of fruits and vegetables, and fruits and vegetables sample is put into micro refrigerator refrigerating chamber, real-time without paper diagram moisture recorderThe temperature data gathering shows also storing data automatically in real time with real-time graph or data, and the data of storage can be entered on computersRow is processed.
Adopt continuous measurement, the tape deck of the disclosed fruits and vegetables living tissue of the utility model freezing point to carry out fruits and vegetables living tissueThe example of actual measurement is as follows:
(1) utilizing this device to survey Aksu rock sugar heart apple core freezing point is average out to-5.1 DEG C.
(2) utilize this device to survey half red winter jujube freezing point and be-2.5 DEG C.
(3) utilize this device to survey hawthorn freezing point average out to-2.2 DEG C.
The continuous measurement of the disclosed fruits and vegetables living tissue of the utility model freezing point, tape deck compared with prior art, institute's toolSome good effects are:
(1) fruits and vegetables live body freezing point temperature is to the actual directive significance of having more of fresh-keeping storage, the assay method of simple and fastHave more practical and agility, realize temperature simultaneously and monitor continuously, intuitively show, can once measure by Multi-example, for exampleAdopt multichannel temperature recorder, four sample individualities carried out to the test of ice warm spot by four aciculiform temperature sensors simultaneously,The term harmonization of Multi-example temperature characterisitic mensuration is ensured, Multi-example is measured and is once completed, and has greatly improved and has measured effectRate, can setting-up time interval provides the practical means of variations in temperature monitoring, and this device can be used as temperature is carried out continuouslyThe laboratory apparatus of monitoring record, for example, can be placed in an aciculiform temperature sensor in micro refrigerator another aciculiform temperatureSensor tip enters in fruits and vegetables. When record analysis variation of ambient temperature, the correspondence of fruits and vegetables internal temperature changes.
(2) further, if while adopting the ultra-fine multipoint thermocouple of aciculiform to make temperature detection to gather, can realize disconnected to fruits and vegetablesLayer Temperature Distribution measured, for the cooling characteristic of fruits and vegetables in temperature-fall period provides practical means, for example, if adopt as the U.S.10 tomography aciculiform temperature thermocouples of PP10-36 type that OMEGAEngineering produces, once can be by from fruit and vegetable surfaces extremelyThe temperature of 10 sections of core is carried out record, and the difference that can be temperature in cooling rate in fruits and vegetables temperature-fall period, fruits and vegetables body is enteredRow is analyzed.
Brief description of the drawings
Fig. 1 is the continuous measurement recording device structure schematic diagram of fruits and vegetables living tissue freezing point;
Wherein 1-micro refrigerator, the ultra-fine temperature sensor of 2-aciculiform; 3-illustrates moisture recorder without paper.
Detailed description of the invention
Further describe the utility model below in conjunction with specific embodiment. But these embodiment are only exemplary, andScope of the present utility model is not formed to any restriction. It will be understood by those skilled in the art that little and depart from this practicality newlyUnder the spirit and scope of type, can the details of technical solutions of the utility model and form be modified or be replaced, but these amendmentsAll fall in protection domain of the present utility model with replacing.
Embodiment 1
As shown in Figure 1, measuring method is as follows: the HYP0 type aciculiform of first U.S. OMEGAEngineering being produced is superThin temperature sensor 2 inserts fruits and vegetables sample, makes the head of thermocouple be inserted into the core position of fruits and vegetables, and fruits and vegetables sample is put into micro-In the vehicle-mounted deep freezer refrigerating chamber of type, the temperature data of Hangzhou translocation LR-200D four-way diagram moisture recorder Real-time CollectionShow in real time and storing data automatically with real-time graph or data, the data of storage can be processed on computers.
In order to be illustrated more clearly in the content of invention, below in conjunction with embodiment, the utility model is set forth.
1. open refrigerator, temperature stabilization is at-18 DEG C.
2. 4, the winter jujube Typical Representative sample that selection preparation warehouse-in stores;
3. before measuring, first thermocouple is put into frozen water mixing channel and demarcated, use national secondary mercurial thermometer markDetermine thermocouple, 0 DEG C of temperature calibration;
4. thermocouple, multi-Channels Data Acquisition are linked in sequence;
5. the probe of OMEGA thermocouple is inserted to winter jujube, make syringe needle approach as far as possible geometric center;
6. winter jujube is put into one by one in the ice-making tray that refrigerator uses, and fixed each thermocouple, put into micro refrigerator;
7. turn-on data Acquisition Instrument, and display frame is adjusted to patrol and examine, curve, start temperature data acquisition;
8. in the time that data collecting instrument shows that detected temperatures reaches-5 DEG C, stop data acquisition.
9. take out and measure winter jujube sample, carry out data and study carefully.
10. by above 1.~9. do again respectively two groups of mensuration.
(11), according to curve rejecting abnormalities point, then utilize arithmetic mean method to try to achieve the freezing point of winter jujube remaining data.Freezing point-2.5 DEG C.
Embodiment 2
Comparative test
Conclusion:
(1) utilize the utility model can measure fast the freezing point of fruits and vegetables;
(2) freezing point of utilizing the utility model to measure is more accurate;
(3) because freezing point is more accurate, so take nearly freezing point storage fruit vegetables storing period to extend.

Claims (3)

1. a continuous measurement tape deck for fruits and vegetables living tissue freezing point, is characterized in that comprising micro refrigerator (1), illustrates without paperMoisture recorder (3), the ultra-fine temperature sensor of aciculiform (2); The ultra-fine temperature sensor of described aciculiform is connected to the temp. displaying function without paper figureRecorder (3); The ultra-fine temperature sensor of described aciculiform is single temperature spot or many temperature spots Needle type sensors; Without paper figure temp. displaying functionRecorder is single channel or multi-Channels Data Acquisition; There are RS-485 or RS-232 communication interface and USB without paper graphic recorderData-interface.
2. the continuous measurement tape deck of fruits and vegetables living tissue freezing point according to claim 1, is characterized in that: described miniature iceCase is general refrigerator, vehicle-mounted micro household freezer or experiment household freezer.
3. the continuous measurement tape deck of fruits and vegetables living tissue freezing point according to claim 1, is characterized in that: described without paper figureShow that recorder is temperature recorder.
CN201521060486.4U 2015-12-18 2015-12-18 Fruit vegetables live and organize continuous measurement recorder of freezing point Active CN205246580U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521060486.4U CN205246580U (en) 2015-12-18 2015-12-18 Fruit vegetables live and organize continuous measurement recorder of freezing point

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Application Number Priority Date Filing Date Title
CN201521060486.4U CN205246580U (en) 2015-12-18 2015-12-18 Fruit vegetables live and organize continuous measurement recorder of freezing point

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105445317A (en) * 2015-12-18 2016-03-30 国家农产品保鲜工程技术研究中心(天津) Fruit and vegetable active tissue ice point continuous measuring and recording device and measuring method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105445317A (en) * 2015-12-18 2016-03-30 国家农产品保鲜工程技术研究中心(天津) Fruit and vegetable active tissue ice point continuous measuring and recording device and measuring method thereof

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