WO2014185809A1 - Dispositif de mesure de la température de fusion de graisses solides - Google Patents

Dispositif de mesure de la température de fusion de graisses solides Download PDF

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Publication number
WO2014185809A1
WO2014185809A1 PCT/RU2013/000395 RU2013000395W WO2014185809A1 WO 2014185809 A1 WO2014185809 A1 WO 2014185809A1 RU 2013000395 W RU2013000395 W RU 2013000395W WO 2014185809 A1 WO2014185809 A1 WO 2014185809A1
Authority
WO
WIPO (PCT)
Prior art keywords
analytical cell
measuring module
melting point
measuring
transparent
Prior art date
Application number
PCT/RU2013/000395
Other languages
English (en)
Russian (ru)
Inventor
Андрей Андреевич БРЫЗГАЛОВ
Сергей Владимирович СОЛОБОЕВ
Сергей Иванович ЕРЕМЕНКО
Максим Олегович ХОХРИН
Original Assignee
Bryzgalov Andrei Andreevich
Soloboev Sergei Vladimirovich
Eremenko Sergei Ivanovich
Hohrin Maksim Olegovich
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bryzgalov Andrei Andreevich, Soloboev Sergei Vladimirovich, Eremenko Sergei Ivanovich, Hohrin Maksim Olegovich filed Critical Bryzgalov Andrei Andreevich
Priority to PCT/RU2013/000395 priority Critical patent/WO2014185809A1/fr
Publication of WO2014185809A1 publication Critical patent/WO2014185809A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/02—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering
    • G01N25/04—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering of melting point; of freezing point; of softening point
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/02—Food
    • G01N33/03—Edible oils or edible fats

Definitions

  • the invention relates to the field of measuring equipment, namely, portable devices designed to measure the melting point of solid fats in the range of 25-60 ° C, and can be used in the food industry, for example, to determine the quality of bacon used in the production of sausages by temperature its melting.
  • the device for these measurements should be performed in a compact, stand-alone version, providing for the possibility of sampling from any piece of bacon directly in the warehouse, in the container, in the trailer or in the refrigerator, which in most cases excludes access to an external supply voltage network.
  • the device must conduct the necessary express measurements directly at the sampling site, and save their results in the device memory.
  • the operational simplicity of the device should provide for the possibility of its use by any warehouse employee involved in the acceptance of cargo, including people without special education (storekeepers, merchandisers, etc.).
  • a device for measuring the melting point of solids is known (see the device PTP-M1, link from the Internet - http://stimyl.ru/pribory-i-apparaty / pribor-dlya-opredeleniya-temperatureury-plavleniya-ptp-m.html) .
  • the device contains a primitive analytical cell in the form of a glass capillary, a heater and a temperature sensor, as well as a control unit.
  • the device is designed to determine the melting point of crystalline substances in the temperature range from 20 ° C to 340 ° C with an accuracy of ⁇ 0.5 ° C and has the following main characteristics: dimensions dimensions 250x250x615mm; weight 5kg, consumed electrical power from an alternating voltage network of 250 watts.
  • the principle of operation of the device is based on the temperature effect on the test substances in vertically mounted glass capillaries sealed from the lower end at different heating rates and is used in research institutes and laboratories of the pharmaceutical and other industries.
  • the known device has the following General disadvantages.
  • the device has significant weight and size characteristics that make it possible to operate it only in laboratory conditions.
  • the closest to the claimed technical solution is taken as a prototype device for measuring the melting temperature of solids (see device DP 70, link from the Internet - http://ru.mt.com/ru/home/products/Laboratory_Analytics_Browse/FP_family_ browse / DroppingPoint.html).
  • the device contains an analytical cell with a video camera as a recorder of the fact of melting, a temperature sensor, a heater, as well as a control unit.
  • the device is designed to determine the melting point of solids in the temperature range from 20 ° C to 400 ° C.
  • the error of temperature measurement in the range of 25 ... 200 ° ⁇ is ⁇ 0.5 ° ⁇ .
  • the device has the following main technical characteristics: dimensions 190x350x230 mm; weight 4 kg; consumed electric power from an alternating voltage network of 120 W.
  • the principle of operation of the device is based on the temperature effect on the test substances in special cells having an opening in the lower part.
  • the device is used in research institutes and laboratories of the chemical-pharmaceutical and other industries.
  • the main disadvantages of the known device can be considered the following.
  • the device has significant weight and size characteristics, which allows it to be used only in laboratory conditions.
  • the device is quite specific and requires highly qualified specialists to work on it.
  • the objective of the proposed technical solution is to create a small-sized autonomous device capable of taking measurements directly in the conditions of storage of the product in a warehouse, and in almost real time, while the operation of the device does not require highly qualified specialists.
  • the specified task in the device for measuring the melting point of solid fats containing a measuring module, including an analytical cell with a heater, a temperature sensor and a block fixing point melting of the product, as well as the control and indication unit connected to the measuring module, is solved in that the analytical cell is an input sampling channel of the device, which is completely transparent to the light along the entire length or partially in its cross section, while an optocoupler is introduced into the composition of the product melting fixation unit, the emitter and receiver of which are mounted on the opposite sides of the transparent part of the sampling channel.
  • the execution of the analytical cell in the form of a sampling channel allows measurements to be made directly at the place where the samples were taken. Thus, there is no need for several of the most lengthy operations: material sampling for the sample from the sample; melting the sample material and pouring it into the analytical cell; sample cooling in the analytical cell.
  • the measuring module is equipped with an analytical cell of circular or rectangular cross-section.
  • the use of a round sampling channel allows to simplify the sampling of the measured speck and to warm the sample faster, as sample volume is less.
  • the channel of rectangular cross section is more technologically advanced in production, because it is easier to manufacture and install planar structures (of a heater, elements of an optocoupler, a temperature sensor), placing them on the opposite sides of the channel.
  • the measuring module can be equipped with a disposable quick-detachable analytical cell made of a transparent material with an element for fixing it, for example, in the form of a groove, and the device, in this case, is equipped with a mechanism for fixing the analytical cell into the specified groove.
  • the measuring module can be equipped with a reusable metal analytical cell with windows transparent for light, made in its cross section, or transparent for light insert, and the device is equipped with a mechanism for cleaning the analytical cell, for example, in the form of a piston mounted with the possibility of movement along the length of the analytical cell.
  • a mechanism for cleaning the analytical cell for example, in the form of a piston mounted with the possibility of movement along the length of the analytical cell.
  • the measuring module is made in the form of an autonomous structure connected by an electric cable to a remote control and indication unit.
  • the measuring module and the control and indication unit are made in a single housing.
  • the claimed technical solution allows you to create a semi-automatic device for rapid measurements of the melting point of solid fats, eliminating the need for preliminary sampling, its preparation with subsequent laboratory analysis, which has no analogues among the known industrially used devices, which means , meets the criterion of "inventive step".
  • FIG. 1 shows the design of the sampler for the inventive device, the analytical cell of which is made in the form of a cylindrical disposable interchangeable sampling channel (OSPK).
  • the device includes: 1 - probe for sampling with OSPK 2; 3 - sampler body; 4 - OSPK clamp; 5 - a persistent surface that determines the depth of penetration of the sampler into the sample of the studied material; 6 - sampler handle; 7 - connector for connecting the measuring unit.
  • OSPK cylindrical disposable interchangeable sampling channel
  • FIG. 2 shows a transverse section through a sampler, further comprising: 8 — an inlet opening of the OSPK; measuring module 12, consisting of an optocoupler (emitter 9a and receiver 96), a temperature sensor (temperature sensor) 10 and a heater 1 1.
  • FIG. Figure 3 shows an enlarged cross-sectional fragment of the inlet part of the sampler, revealing the design of the OSPK retainer, further comprising: a spring-loaded base 13, a spring 14, a bushing 15, and a union nut 16.
  • FIG. Figure 4 shows the OSPK pattern with a groove 17 for fixing it and a measuring module 12.
  • FIG. 5 shows the design of the sampler for the inventive device with a cylindrical reusable sampling channel (IPC), additionally including: 18 - probe for sampling with a round axial hole 19; 20 - handle IPC cleaning mechanism.
  • IPC cylindrical reusable sampling channel
  • FIG. Figures 6 and 7 are a cross-sectional view of a sampler with IPC, explaining the principle of operation of the IPC cleaning mechanism, further including: 21 - a piston for the IPC cleaning mechanism of circular cross section, 22 - IPC.
  • FIG. 8a and 86 show a simplified version of the circular design of the IPC, explaining the implementation of transverse transparent windows 23 in the metal channel 22.
  • FIG. 9a and 96 show a simplified version of the circular design of the IPC, explaining the implementation of the transparent insert 24 between the parts of the MCP 22a and 226.
  • FIG. 10 shows the design of the sampler for the inventive device with a rectangular MPC, further comprising: 25 - probe for sampling with a rectangular axial hole 26; 27 - handle of the IPC cleaning mechanism.
  • FIG. Pa and 1 16 a simplified version of the MPC of a rectangular section is presented, explaining the implementation of transparent windows, additionally including: 28 - a piston for cleaning the IPC of a rectangular section; 29 - IPC rectangular section; 30 - transparent windows on opposite sides of the INC.
  • FIG. 12a and 126 show a simplified version of the MPC of rectangular cross section, explaining the implementation of the transparent insert 31 between the parts of the MCP 29a and 296.
  • FIG. 13 shows a design of an embodiment of the inventive device with a round IPC and a portable unit for processing and storing measurement results, further comprising: 32 - a portable unit for processing and storing measurement results with a touch screen 33, cable 34 for connection to a sampler through connector 7 and shoulder strap 35.
  • FIG. 14 shows the design of an embodiment of the inventive device with a round MPC and an integrated unit for processing and storing measurement results, further comprising: 36 - an integrated unit for processing and storing measurement results with a touch screen 37 and a connector for connecting to a computer 38 .
  • FIG. 15 is a cross-sectional view of the inventive device with a built-in unit for processing and storage of measurement results, additionally including: 39 - battery; 40 - instrument mounting plate.
  • FIG. 16 shows the design of an embodiment of the inventive device with an IPC of rectangular cross section and an integrated unit for processing and storing measurement results.
  • FIG. 17 shows a cross section of the inventive device with IPC of rectangular cross section and an integrated unit for processing and storing measurement results.
  • the sampler Before starting work, the sampler is connected via connector 7 to the portable unit for processing and storing the results of measurements 32 by cable 34. Information from the temperature sensor 10 and optocouplers 9a and 96 should come to portable unit 32 via cable 34. The incoming information is displayed on touch screen 33. After turning on the device, it is necessary to prepare the sampler for work, for this it is necessary to place OSPK 2 in the probe for sampling 1. When working with OSPK 2, it must be remembered that they are disposable consumables and are designed for one sample. Once the OSPK 2 is placed in the probe for sampling 1, the device is ready for operation and it is possible to conduct sampling.
  • the operator takes the sampler by the handle 6 in his hand and brings it to the sample with the end of OSPK 2.
  • the probe 1 with the sharp end is inserted into the analyzed sample of bacon (other solid fat). Insert probe 1 into the sample up to the abutment surface 5.
  • the analyzed sample enters through the inlet hole 8 into the OSPK and fills its entire internal space, including the measuring module 12.
  • the selected sample overlaps the light stream coming from the emitter 9a to the coupler receiver 96 and also cools the temperature sensor 10.
  • the processor (not shown) of the control and display unit 32 captures the received signals from the optocoupler (9a and 96) and the temperature sensor 10 and automatically switches to measurement mode.
  • a button is activated with the inscription "measurement ⁇ _>1".
  • the device is ready to take measurements.
  • the operator on the touch screen 33 presses the “measurement 1” button and the device further automatically measures the melting point of the existing sample JVsl. This happens as follows. Heater 1 1 is turned on and the sample located inside OSPK 2 is melted. The melting point of the sample is the temperature at which the sample becomes transparent. In this case, the light from the emitter 9a enters the optocoupler receiver 96, and the temperature of the melting point is recorded by the temperature sensor 10.
  • the processor of the control and indication unit 32 records the events and stores the data on the melting point of sample N2I in the Nsl memory cell.
  • the devices presented in figure 5 and figure 10 equipped with IPC and its cleaning mechanism.
  • the message “continue measurement” and two active buttons “YES” and “NO” appear on the touch screen. If the operator presses the “YES” button, the message “clear IPC” appears.
  • the operator uses the cleaning mechanism 20 (Fig. 5) or 27 (Fig. 10), while the emulsion rod 21 or 28 pushes out the rest of the sample from the IPC. After the IPC cleaning mechanism returns to its original state (as shown in Fig. 5 and Fig. 10), the instruments are ready for new measurements.
  • the devices shown in Figs. 14 and 16 are equipped with an integrated unit for processing and storing the measurement results.
  • a touch screen 37 is used to operate the device.
  • the indicated devices are powered by the battery 39. All sample measurements stored in the device memory can be transferred via connector 38 via USB cable to a laptop or personal computer.
  • the device has the following characteristics:
  • the operating temperature range of the device is 25 ... 50 ° C;
  • TR-1 brand thermistor manufactured by Rekond OJSC, made in Russia, was used as a temperature sensor.

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Food Science & Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Medicinal Chemistry (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

L'invention se rapporte au domaine des techniques de mesure, concerne notamment des instruments mobiles servant à mesurer la température de fusion de graisses solides dans une plage de 25-60°C, et peut être utilisée dans l'industrie alimentaire, par exemple afin de déterminer la qualité du lard utilisé dans la production de saucisses à sa température de fusion. L'invention concerne un instrument de mesure de la température de fusion de graisses solides, qui comprend un module de mesure comprenant une cellule analytique avec une unité de chauffage, un capteur thermique une unité de définition du point de fusion du produit, ainsi qu'une unité de commande et d'indication connectée au module de mesure. L'invention se caractérise en ce que la cellule analytique consiste en un canal de capture d'échantillon d'entrée de l'instrument qui est transparent à la lumière sur toute sa longueur et partiellement sur sa section transversale. L'unité de définition du point de fusion du produit comprend un couple optique, dont l'illuminateur et le capteur sont disposés sur les côtés opposés de la partie transparente du canal de capture d'échantillon.
PCT/RU2013/000395 2013-05-13 2013-05-13 Dispositif de mesure de la température de fusion de graisses solides WO2014185809A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/RU2013/000395 WO2014185809A1 (fr) 2013-05-13 2013-05-13 Dispositif de mesure de la température de fusion de graisses solides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/RU2013/000395 WO2014185809A1 (fr) 2013-05-13 2013-05-13 Dispositif de mesure de la température de fusion de graisses solides

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU120932A1 (ru) * 1958-12-16 1959-11-30 Г.Т. Туманьян Устройство дл контрол температуры плавлени жиров
JP2005083929A (ja) * 2003-09-09 2005-03-31 Japan Science & Technology Agency 食肉の品質計測方法及び装置
US20130058374A1 (en) * 2011-09-05 2013-03-07 Mettler-Toledo Ag Method of determining the softening- or dropping point

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU120932A1 (ru) * 1958-12-16 1959-11-30 Г.Т. Туманьян Устройство дл контрол температуры плавлени жиров
JP2005083929A (ja) * 2003-09-09 2005-03-31 Japan Science & Technology Agency 食肉の品質計測方法及び装置
US20130058374A1 (en) * 2011-09-05 2013-03-07 Mettler-Toledo Ag Method of determining the softening- or dropping point

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