CN103983740A - Soup ladle-type salt detection device and salt content detection method - Google Patents
Soup ladle-type salt detection device and salt content detection method Download PDFInfo
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- CN103983740A CN103983740A CN201410156288.1A CN201410156288A CN103983740A CN 103983740 A CN103983740 A CN 103983740A CN 201410156288 A CN201410156288 A CN 201410156288A CN 103983740 A CN103983740 A CN 103983740A
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Abstract
The invention discloses a soup ladle-type salt detection device. The soup ladle-type salt detection device comprises a ladle body, a ladle handle, a capillary sampling tube and a temperature titration detection device. The ladle body is connected to the ladle handle. The capillary sampling tube is installed on the ladle handle. One end of the capillary sampling tube is located in the ladle body and other end of the capillary sampling tube is connected to the temperature titration detection device. The invention also discloses a salt content detection method adopting the soup ladle-type salt detection device. The salt content detection method comprises carrying out sampling on soup in the ladle body by a capillary tube, conveying the soup into the temperature titration detection device by the capillary tube, and carrying out salt content detection, wherein salt content accumulation can also be realized. The soup ladle-type salt detection device can determine salt content in tableware use. The soup is taken by the ladle body and the sodium salt content of the soup can be immediately detected by the soup ladle-type salt detection device. Along with individual eating, the sodium salt intake amount can be immediately displayed so that the sodium salt intake amount in each meal can be easily determined and it is accurately determined if the sodium salt intake amount in each meal is appropriate. The soup ladle-type salt detection device has the advantages of use convenience and accurate and comprehensive measurement.
Description
Technical field
The present invention relates to a kind of measuring apparatus and detection method, particularly soup ladle is surveyed salt device and salt content detection method.
Background technology
The intake of sodium salt becomes positive correlation with hypertensive morbidity rate.Taking the photograph salt too much causes blood pressure to raise.14 groups of cohort studies of China show that meals intaking amount of sodium-salt on average increases 2g/d systolic pressure and diastolic pressure and increases respectively 2.0 and 1.2mmHg.And China most areas Salt intake 12g/d per capita, normally everyone salinity every day is advisable to be no more than 6g, therefore, in hypertensive control, proposes to control the absorption of salt.Sodium salt in food can be divided into dominant and recessive.Dominant sodium salt is easily measured, as salt.Recessive sodium salt is difficult for measuring, as curing food, soda, monosodium glutamate etc.In meals, sodium salt 80% comes from salt for cooking and curing food, and some takes the food of self-contained sodium, as contained recessive sodium salt in the sodium in soda, flavouring, beer etc.In order to control sodium salt in diet, sodium salt can be controlled in normal range, there is on the market salt controlling spoon.Salt controlling spoon has 2g and 6g salt controlling spoon at present.Little spoon as in flavouring box, fills with salt, is exactly 2g or 6g.This salt controlling spoon can only be measured salt amount when salt is put in the cooking.But as family, it is equal that everyone intake is difficult to reach, and can not measure the salt amount of everyone actual absorption, more can not measure recessive Salt intake.For in the full diet of Hypertensive Population except salt for cooking, also have some recessive sodium salts (biscuit, flavouring, beverage etc.), the absorption of salt is proposed to control in its control, every day, everyone was no more than 6g.This kind of salt controlling spoon cannot judge the intake of individual sodium salt and control salt whether suitable, be difficult to meet the requirement of hypertension colony control salt.In addition, prior art does not have specifically to measure the method for the salt content of taking in people's dining yet.
Summary of the invention
The object of the present invention is to provide a kind of salt content that can be used for measuring in soup stock, easy to use, measure accurately soup ladle and survey salt device.
According to an aspect of the present invention, provide soup ladle to survey salt device, comprise a spoonful body, kettleholder, capillary sampling pipe and calorimetric titration pick-up unit, spoon body is connected with kettleholder, capillary sampling pipe is arranged on kettleholder, one end of capillary sampling pipe is positioned at a spoonful body, the other end of capillary sampling pipe with for titration the calorimetric titration pick-up unit that records temperature variation, be connected.
Its beneficial effect is: it is individually to measure while using as tableware that soup ladle of the present invention is surveyed salt device, rather than measurement when the cooking.By the spoon body of the conventional tableware soup ladle of outer image, contained and got soup stock, soup ladle is surveyed salt device and immediately the sodium salt in soup stock is measured.Along with individuality feed shows the sodium salt amount of taking at once, while making individuality easily judge each dining, whether suitable the intake of sodium salt, can accurately judge the sodium salt of taking in every day.Easy to use and measure accurately, comprehensively.
In some embodiments, calorimetric titration pick-up unit comprises reaction utensil, titrant container, the first negative pressure pump and the second negative pressure pump, the input end of the first negative pressure pump is connected with capillary sampling pipe, the first negative pressure delivery side of pump is communicated with reaction utensil, the input end of the second negative pressure pump is communicated with titrant container, and the first negative pressure delivery side of pump and the second negative pressure delivery side of pump are all communicated with reaction utensil.
Its beneficial effect is: utilize the principle of calorimetric titration, the soup stock of sampling is carried out to drop reaction.By the first negative pressure pump, control the soakage of soup stock, then by the second negative pressure pump, control the addition of titrant, can accurately control the addition of drop reaction material, be conducive to the sodium salt content in Accurate Measurement soup stock.
In some embodiments, calorimetric titration pick-up unit also comprises the 3rd negative pressure pump and waste liquid bottle, and the input end of the 3rd negative pressure pump is communicated with reaction utensil, and the 3rd negative pressure delivery side of pump is communicated with waste liquid bottle.
Its beneficial effect is: the soup stock sample after by the 3rd negative pressure pump being communicated with waste liquid bottle, reaction being completed is extracted out from reaction utensil, with the carrying out that facilitates postorder to detect.
In some embodiments, calorimetric titration pick-up unit also comprises temperature sensor, microprocessor and display screen, temperature sensor comprises probe, and probe is positioned at reaction utensil, and temperature sensor, the first negative pressure pump, the second negative pressure pump, the 3rd negative pressure pump are all connected with microprocessor with display screen.
Its beneficial effect is: the first negative pressure pump, the second negative pressure pump and the 3rd negative pressure pump are all controlled by microprocessor, are conducive to the job step of Comprehensive Control apparatus of the present invention.
It is a kind of for measuring dining salt content detection method that another object of the present invention is to provide.Method can be measured the salt content of taking in immediately in dining process, measures accurately and convenient operation.
According to another aspect of the present invention, provide salt content detection method, comprised the steps:
1) collected specimens, measures and records initial temperature;
2) with titrant, sample is carried out to titration, record the temperature variation of sample in drop reaction process;
3) matching temperature is with the change curve of titrant addition, and the break of described curve is reaction end, and its corresponding temperature is reaction end temperature;
4) according to reaction initial temperature and reaction end temperature, determine the salt content of sample.
Its beneficial effect is: the principle by drop reaction to contain each time into the salt content of soup stock measure, and can carry out automatically adding up and manual calculations, be convenient to inquiry, person easy to use carries out exactly the absorption of salt amount and controls.
In some embodiments, in step 1), collected specimens is by the soup stock sample in capillary sampling pipe collection spoon body and by the first negative pressure pump, soup stock is sent in reaction utensil; To measure and record initial temperature be by the temperature in temperature sensor detection reaction ware and send signal to microprocessor, and this temperature of microprocessor records is initial temperature.
Its beneficial effect is: by the first negative pressure pump, the soup stock sample in spoon body is gathered, can realize the accurate control of collection capacity, to guarantee the accuracy of postorder measurement result.
In some embodiments, step 2), with titrant, sample being carried out to titration is to be sent in reaction utensil and reacted with soup stock sample by the second negative pressure pump by the titrant in titrant container; The temperature variation that records sample in drop reaction process is the temperature in reaction utensil transmit the temperature signal detect to microprocessor in temperature sensor detection reaction process.
Its beneficial effect is: by the second negative pressure pump, to reaction utensil, send into titrant, accurate control that can practical titrant consumption, to guarantee the accuracy of rear measurement result.
In some embodiments, step 3) comprises the temperature variation by soup stock in microprocessor monitors reaction utensil, real-time fitting goes out the change curve that temperature adds with titrant, the break temperature of temperature curve of take is reaction end temperature, after monitoring the temperature stabilization of soup stock, the second negative pressure pump stops carrying titrant to reaction utensil;
Its beneficial effect is: by microprocessor control the second negative pressure pump opening and closing and time real matching temperature variation curve, can accurately determine the terminal of drop reaction.
In some embodiments, also comprise step 5), the 3rd negative pressure pump is drawn into waste liquid bottle by step 3).
Its beneficial effect is: the soup stock after by the 3rd negative pressure pump, reaction being completed is extracted out from reaction utensil, is drop reaction vacating space next time, with normally carrying out of guaranteeing to detect.
In some embodiments, the titrant step 2) is Al (NO
3)
3with KNO
3mixed solution.
Its beneficial effect is: with titrant, be Al (NO
3)
3with KNO
3can measure the sodium ions content in soup stock.Measure accurately.
Accompanying drawing explanation
Fig. 1 is the structural representation that the soup ladle of an embodiment of the present invention is surveyed salt device;
Fig. 2 is the theory diagram that soup ladle shown in Fig. 1 is surveyed the calorimetric titration pick-up unit of salt device.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further detailed explanation.
Fig. 1 has schematically shown the soup ladle survey salt device according to one embodiment of the present invention, comprise spoonful body 1, kettleholder 2, capillary sampling pipe 3 and calorimetric titration pick-up unit 4, spoon body 1 is connected with kettleholder 2, capillary sampling pipe 3 is arranged on kettleholder 2, one end of capillary sampling pipe 3 is positioned at spoonful body 1, the other end of capillary sampling pipe 3 with for titration the calorimetric titration pick-up unit 4 that records temperature variation, be connected.3 pairs of soup stocks that are contained in spoonful body 1 of capillary sampling pipe are sampled, and calorimetric titration pick-up unit 4 detects the soup stock of sampling to measure the salt content of spoonful body 1 interior soup stock.By measuring the salt content of each spoonful of soup stock and adding up just can obtain the salt amount that people takes in when eating.In the time need to measuring the salt content of food, part food can be smashed to pieces and water-soluble, with soup ladle of the present invention, survey its salt content of salt measurement device, and multiply each other and can obtain the salt content of edible food with the multiple being applicable to.For example eaten 10 biscuits, the salt content that only need to measure a biscuit is multiplied by 10 salt contents that can obtain edible food again.For the ease of operation, can survey salt device at soup ladle manual operation button or menu are set, allow the current testing result of user's manual operation to be multiplied by applicable multiple, to simplify, detect operation.Soup ladle survey salt device of the present invention is easy to use and measurement is accurate, is conducive to hyperpietic and waits the crowd that need to control salt accurately to control the salt content in having meal.
Calorimetric titration pick-up unit 4 comprises reaction utensil 41, titrant container 42, the first negative pressure pump 40, the second negative pressure pump 43, the 3rd negative pressure pump 44, waste liquid bottle 45, temperature sensor 46, microprocessor 47 and display screen 48.The input end of the first negative pressure pump 40 is connected with capillary sampling pipe 3, and the output terminal of the first negative pressure pump 40 is communicated with reaction utensil 41.The input end of the second negative pressure pump 43 is communicated with titrant container 42.The output terminal of the output terminal of the first negative pressure pump 40 and the second negative pressure pump 43 is all communicated with reaction utensil 41.The input end of the 3rd negative pressure pump 44 is communicated with reaction utensil 41, and the output terminal of the 3rd negative pressure pump 44 is communicated with waste liquid bottle 45.On temperature sensor 46, have probe, probe is positioned at reaction utensil 41.Temperature sensor 46, the first negative pressure pump 40, the second negative pressure pump 43, the 3rd negative pressure pump 44 are all connected with microprocessor 47 with display screen 48.On calorimetric titration pick-up unit 4, power switch can also be set.Display screen 48 can adopt touch-screen.
In titrant container 42, be preinstalled with the titrant for drop reaction, titrant can adopt Al (NO
3)
3with KNO
3mixed solution.Microprocessor 47 is controlled the first negative pressure pump and is extracted a certain amount of soup stock and be sent in reaction utensil 41.Microprocessor 47 is controlled the titrant in the second negative pressure pump 43 extraction titrant containers 42 and is sent to reaction utensil 41 and reacts with soup stock.When soup stock enters reaction utensil 41, temperature sensor 46 starts working, and the temperature of detection reaction ware 41 interior soup stocks also sends microprocessor 47 to.In whole course of reaction, temperature sensor 46 sends the real time temperature signal of soup stock to microprocessor 47, and the situation of change of microprocessor 47 monitor temperatures also simulates the change curve that temperature adds with titrant.After monitoring the temperature stabilization of soup stock, control the second negative pressure pump 43 and quit work.Or microprocessor 47 controls that the second negative pressure pumps 43 are disposable adds quantitative titrant, the addition of titrant is greater than the full amount of closing the needed titrant of salt solusion of soup stock.Microprocessor 47 calculates the reaction heat of reaction according to the temperature variation before and after reaction, then according to reaction heat, calculates the quality of the material of participating in reaction, thereby obtains the salt content in soup stock.
Calorimetric titration pick-up unit 4 can adopt the independent mode arranging, and with flexible pipe, is connected with kettleholder 2.Also can be directly installed on the some that becomes kettleholder 2 on kettleholder 2.
The principle of calorimetric titration: because every kind of chemical reaction is inevitable with reaction heat, and a certain amount of material is when reacting, and its reaction heat is also certain.Therefore, as long as determined that the reaction heat of chemical reaction just can determine the quality of the material that carries out chemical reaction.After all measured matters have reacted with titrant, the temperature of solution can change, and the break of temperature curve is considered to reaction end.As long as measure the front temperature of reactant of drop reaction and the temperature of reaction end, just can calculate the reaction heat of reaction, thereby obtain the quality of reactive material.
The invention also discloses the salt content detection method of surveying salt device for above-mentioned soup ladle, can comprise the steps:
1) collected specimens, measures and records initial temperature;
2) with titrant, sample is carried out to titration, record the temperature variation of sample in drop reaction process;
3) matching temperature is with the change curve of titrant addition, and the break of described curve is reaction end, and its corresponding temperature is reaction end temperature;
4) according to reaction initial temperature and reaction end temperature, determine the salt content of sample;
5) discharge reacted sample.
Above-mentioned steps 1) in, collected specimens is gathered the soup stock sample in spoon body 1 and by the first negative pressure pump 40, soup stock sample sent in reaction utensil 41 by capillary sampling pipe 3; To measure and record initial temperature be by the temperature in temperature sensor 46 detection reaction wares 41 and send signal to microprocessor 47, and it is initial temperature that microprocessor 47 records this temperature.
Above-mentioned steps 2) with titrant, sample being carried out to titration is to be sent in reaction utensil 41 and reacted with soup stock sample by the second negative pressure pump 43 by the titrant in titrant container 42; The temperature variation that records sample in drop reaction process is the temperature in reaction utensil 41 continuing to microprocessor 48 is transmitted to signals in temperature sensor 46 detection reaction processes.
Above-mentioned steps 3) be the temperature variation by the interior soup stock sample of microprocessor 48 monitoring reaction utensil 41, time real simulate the change curve that temperature adds with titrant, the break temperature of temperature curve of take is reaction end temperature, after monitoring the temperature stabilization of soup stock sample, the second negative pressure pump 43 stops carrying titrant to reaction utensil 41.
Above-mentioned steps 4) by microprocessor 48, according to reaction initial temperature and reaction end thermometer, calculated the salt content of the interior soup stock sample of spoonful body 1, microprocessor 48 records this numerical value and shows this numerical value by display screen 48.
Above-mentioned steps 5) soup stock after step 3) having been reacted by the 3rd negative pressure pump 44 is drawn into waste liquid bottle 45.
Repeating above-mentioned steps can measure respectively the salt content in every spoonful of soup stock and add up, thereby along with the salt amount of feed is measured in dining, to carry out the control of salt amount absorption.
The opening and closing of the first negative pressure pump 40, the second negative pressure pump 43 and the 3rd negative pressure pump 44 in said method are controlled by microprocessor 48.
Above-described is only some embodiments of the present invention.For the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (10)
1. soup ladle is surveyed salt device, it is characterized in that: comprise a spoonful body (1), kettleholder (2), capillary sampling pipe (3) and calorimetric titration pick-up unit (4), described spoon body (1) is connected with kettleholder (2), described capillary sampling pipe (3) is arranged on kettleholder (2), one end of described capillary sampling pipe (3) is positioned at a spoonful body (1), the other end of described capillary sampling pipe (3) with for titration the calorimetric titration pick-up unit (4) that records temperature variation, be connected.
2. soup ladle according to claim 1 is surveyed salt device, it is characterized in that: described calorimetric titration pick-up unit (4) comprises reaction utensil (41), titrant container (42), the first negative pressure pump (40) and the second negative pressure pump (43), the input end of described the first negative pressure pump (40) is connected with capillary sampling pipe (3), the output terminal of described the first negative pressure pump (40) is communicated with reaction utensil (41), the input end of described the second negative pressure pump (43) is communicated with titrant container (42), the output terminal of the output terminal of described the first negative pressure pump (40) and the second negative pressure pump (43) is all communicated with reaction utensil (41).
3. soup ladle according to claim 2 is surveyed salt device, it is characterized in that: described calorimetric titration pick-up unit (4) also comprises the 3rd negative pressure pump (44) and waste liquid bottle (45), the input end of described the 3rd negative pressure pump (44) is communicated with reaction utensil (41), and the output terminal of described the 3rd negative pressure pump (44) is communicated with waste liquid bottle (45).
4. soup ladle according to claim 3 is surveyed salt device, it is characterized in that: described calorimetric titration pick-up unit (4) also comprises temperature sensor (46), microprocessor (47) and display screen (48), described temperature sensor (46) comprises probe, described probe is positioned at reaction utensil (41), and described temperature sensor (46), the first negative pressure pump (40), the second negative pressure pump (43), the 3rd negative pressure pump (44) and display screen (48) are all connected with microprocessor (47).
5. salt content detection method, is characterized in that comprising the steps:
1) collected specimens, measures and records initial temperature;
2) with titrant, sample is carried out to titration, record the temperature variation of sample in drop reaction process;
3) matching temperature is with the change curve of titrant addition, and the break of described curve is reaction end, and its corresponding temperature is reaction end temperature;
4) according to reaction initial temperature and reaction end temperature, determine the salt content of sample.
6. salt content detection method according to claim 5, it is characterized in that, in described step 1), collected specimens is gathered the soup stock sample in spoon body (1) and by the first negative pressure pump (40), soup stock sample sent in reaction utensil (41) by capillary sampling pipe (3); Measure and record initial temperature and be by the temperature in temperature sensor (46) detection reaction ware (41) and send signal to microprocessor (47), it is initial temperature that microprocessor (47) records this temperature.
7. according to the salt content detection method described in claim 4 or 5, it is characterized in that described step 2) in:
It is described that with titrant, sample to be carried out to titration be by the titrant in titrant container (42), by the second negative pressure pump (43), to be sent into that reaction utensil (41) is interior to react with soup stock sample;
The described temperature variation that records sample in drop reaction process is the temperature in reaction utensil (41) transmit the temperature signal detecting to microprocessor (48) in temperature sensor (46) detection reaction process.
8. salt content detection method according to claim 6, it is characterized in that, described step 3) comprises: by the temperature variation of the interior soup stock sample of microprocessor (48) monitoring reaction utensil (41), real-time fitting goes out the change curve that temperature adds with titrant, the break temperature of temperature curve of take is reaction end temperature, after monitoring the temperature stabilization of soup stock sample, the second negative pressure pump (43) stops carrying titrant to reaction utensil (41).
9. salt content detection method according to claim 4, is characterized in that: also comprise step 5), the soup stock sample after the 3rd negative pressure pump (44) has reacted step 3) is drawn into waste liquid bottle (45).
10. according to the salt content detection method described in claim 4 or 9, it is characterized in that: the titrant described step 2) is Al (NO
3)
3with KNO
3mixed solution.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410156288.1A CN103983740A (en) | 2014-04-17 | 2014-04-17 | Soup ladle-type salt detection device and salt content detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410156288.1A CN103983740A (en) | 2014-04-17 | 2014-04-17 | Soup ladle-type salt detection device and salt content detection method |
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| CN103983740A true CN103983740A (en) | 2014-08-13 |
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| CN201410156288.1A Pending CN103983740A (en) | 2014-04-17 | 2014-04-17 | Soup ladle-type salt detection device and salt content detection method |
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| CN104605704A (en) * | 2015-02-28 | 2015-05-13 | 李忠炎 | Multifunctional scoop |
| CN111176131A (en) * | 2020-01-07 | 2020-05-19 | 珠海格力电器股份有限公司 | Soup cooking equipment, soup ladle and soup cooking system |
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Application publication date: 20140813 |