CN110736678A - Moisture tester by humidity method - Google Patents
Moisture tester by humidity method Download PDFInfo
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- CN110736678A CN110736678A CN201911154102.8A CN201911154102A CN110736678A CN 110736678 A CN110736678 A CN 110736678A CN 201911154102 A CN201911154102 A CN 201911154102A CN 110736678 A CN110736678 A CN 110736678A
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- moisture
- sensor
- heating ring
- instrument
- control circuit
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 229920000642 polymer Polymers 0.000 claims abstract description 19
- 238000005303 weighing Methods 0.000 claims abstract description 16
- 238000005070 sampling Methods 0.000 claims abstract description 14
- 238000012360 testing method Methods 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001599 direct drying Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000007603 infrared drying Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
- G01N5/045—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder for determining moisture content
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
A humidity method moisture tester relates to the moisture determination field and comprises a bottom shell of the tester; an instrument upper shell mounted on the instrument bottom shell; the device comprises a weighing plate, a touch display screen, a test bin cover and a power supply button, wherein the weighing plate, the touch display screen, the test bin cover and the power supply button are arranged outside an upper shell of the instrument; the device comprises a pressure sensor, a power socket, a power switch, a polymer container, a radiator, an integrated control circuit mainboard, a moisture identification sensor, a gas extraction needle of a gas release pipeline, a heating ring and a sample bottle, wherein the pressure sensor, the power socket, the power switch, the polymer container, the radiator, the integrated control circuit mainboard, the moisture identification sensor, the gas extraction needle of the gas release pipeline; the lower end of the weighing plate is connected with a pressure sensor; the right end of the heating ring is connected with the bottle mouth of the sample bottle; the right end of the gas sampling needle of the gas release pipeline extends into the sample bottle through the bottle cap by the heating ring; the left end of the gas production needle of the gas release pipeline extends into the polymer container; the moisture identification sensor is arranged in the polymer container; the touch display screen, the pressure sensor, the power switch, the radiator, the moisture recognition sensor and the heating ring are all electrically connected with the integrated control circuit mainboard. The invention has the advantages of high measurement precision, high detection efficiency and simple operation.
Description
Technical Field
The invention relates to the technical field of moisture measurement, in particular to an moisture tester by a humidity method.
Background
The moisture content is which is an important quality index, and the control of the moisture content has important effects on keeping good sensory properties of the product, maintaining the balance relation of other components in the product, ensuring the fixed storage period of , and the like.
The method comprises the following steps of 1, hot drying, ① normal pressure drying, ② vacuum drying, ③ infrared drying, 2, distillation, 3, Karl Fischer method, 4, measurement of water activity AW, direct measurement, direct drying of a sample, weighing of the dry weight of the sample or direct measurement of the water content, and calculation of the moisture regain or the water content.
Disclosure of Invention
In order to solve the problems of the existing moisture measurement, the invention provides moisture testers by a humidity method.
The technical scheme adopted by the invention for solving the technical problem is as follows:
the invention relates to a humidity method moisture tester, which comprises:
an instrument bottom case;
an instrument upper shell mounted on the instrument bottom shell;
the weighing plate, the touch display screen, the test bin cover and the power button are sequentially arranged outside the upper shell of the instrument;
the device comprises a pressure sensor, a power socket, a power switch, a polymer container, a radiator, an integrated control circuit mainboard, a moisture identification sensor, a gas sampling needle of a gas release pipeline, a heating ring and a sample bottle which are all arranged in the instrument;
the lower end of the weighing plate is connected with a pressure sensor; the right end of the heating ring is connected with the mouth of the sample bottle; the right end of the gas sampling needle of the gas release pipeline extends into the sample bottle through the bottle cap by the heating ring; the left end of the gas production needle of the gas release pipeline extends into the polymer container; the moisture identification sensor is arranged inside the polymer container; the touch display screen, the pressure sensor, the power switch, the radiator, the moisture recognition sensor and the heating ring are all electrically connected with the integrated control circuit mainboard.
, the moisture identifying sensor is a relative humidity sensor or a relative dielectric constant sensor.
And , the integrated control circuit mainboard adopts a DSP chip.
And , sequentially installing the pressure sensor, the integrated control circuit mainboard, the polymer container, the gas sampling needle of the gas release pipeline, the heating ring and the sample bottle on the bottom surface of the bottom shell of the instrument.
, the power socket, the power switch and the radiator are sequentially arranged on the side surface of the bottom shell of the instrument.
The invention has the beneficial effects that: compared with the prior art, the invention has the following advantages:
1. through setting up weighing plate, pressure sensor, integrated control circuit mainboard, touch display screen, moisture identification sensor, can realize that the two-step method measures moisture content, step direct weighing, and the moisture content percentage is finally shown on touch display screen in the operation of second step heating, and the testing process is simple, convenient operation, detection efficiency are high to it is high to detect the precision.
2. By arranging the heating ring, the maximum heating power can be achieved in the shortest time, and the detection efficiency is improved.
3. Through setting up gas release pipeline gas production needle, can furthest's collection vapor, guarantee that the measuring result is accurate reliable.
4. By arranging the radiator, the damage of the device caused by overhigh temperature can be prevented.
5. The invention also has the advantages of small volume, light weight, wide application range of and the like.
Drawings
Fig. 1 is a schematic structural diagram of a moisture tester by a humidity method according to the present invention.
Fig. 2 is a schematic view of the internal structure of the moisture meter according to the humidity method of the present invention.
FIG. 3 is a system circuit diagram.
Fig. 4 is a test flow chart of the humidity-method moisture tester of the present invention.
In the figure, 1, an upper instrument shell, 2, a bottom instrument shell, 3, a power button, 4, a weighing plate, 5, a touch display screen, 6, a test chamber cover, 7, a pressure sensor, 8, a power socket, 9, a power switch, 10, a polymer container, 11, a radiator, 12, an integrated control circuit mainboard, 13, a moisture identification sensor, 14, a gas release pipeline gas sampling needle, 15, a heating ring, 16 and a sample bottle.
Detailed Description
The present invention is further described in detail below with reference to the attached figures.
As shown in fig. 1 and 2, the moisture meter according to the present invention mainly includes: the device comprises an upper instrument shell 1, a bottom instrument shell 2, a power button 3, a weighing plate 4, a touch display screen 5, a test bin cover 6, a pressure sensor 7, a power socket 8, a power switch 9, a polymer container 10, a radiator 11, an integrated control circuit mainboard 12, a moisture identification sensor 13, a gas release pipeline gas sampling needle 14, a heating ring 15 and a sample bottle 16.
The upper instrument housing 1 is mounted on the lower instrument housing 2.
The weighing plate 4, the touch display screen 5, the test bin cover 6 and the power button 3 are sequentially arranged outside the upper instrument shell 1.
The pressure sensor 7, the power socket 8, the power switch 9, the polymer container 10, the radiator 11, the integrated control circuit main board 12, the moisture identification sensor 13, the gas sampling needle 14 of the gas release pipeline, the heating ring 15 and the sample bottle 16 are all installed inside the instrument.
The pressure sensor 7, the integrated control circuit mainboard 12, the polymer container 10, the gas release pipeline gas sampling needle 14, the heating ring 15 and the sample bottle 16 are sequentially arranged on the bottom surface of the instrument bottom shell 2.
The weighing pan 4 is connected at its lower end to a pressure sensor 7. The sample is placed on the weighing plate 4, the pressure sensor 7 collects the pressure of the sample and transmits the pressure to the integrated control circuit main board 12 for processing, and signals processed by the integrated control circuit main board 12 are displayed on the touch display screen 5.
The power socket 8, the power switch 9 and the radiator 11 are sequentially arranged on the side surface of the bottom shell 2 of the instrument. The heat radiator 11 can realize the internal heat radiation effect of the instrument, reduce the temperature and prevent the instrument from being damaged due to overhigh temperature.
The right end of the heating ring 15 is connected with the mouth of the sample bottle 16, and the sample in the sample bottle 16 can be heated through the heating ring 15.
The right end of the gas sampling needle 14 of the gas release pipeline extends into the sample bottle 16 through the bottle cap by the heating ring 15.
The left end of the gas sampling needle 14 of the gas release pipeline extends into the polymer container 10.
The moisture recognition sensor 13 is installed inside the polymer container 10.
As shown in fig. 3, the power button 3 is electrically connected to the power switch 9, and the power switch 9 is electrically connected to the power outlet 8. The touch display screen 5, the pressure sensor 7, the power switch 9, the radiator 11, the moisture recognition sensor 13 and the heating ring 15 are all electrically connected with the integrated control circuit mainboard 12. The operation of the touch display screen 5, the pressure sensor 7, the radiator 11, the moisture recognition sensor 13 and the heating ring 15 is controlled by the integrated control circuit mainboard 12.
The moisture recognition sensor 13 may employ a relative humidity sensor or a relative dielectric constant sensor.
The integrated control circuit main board 12 mainly uses a DSP chip.
The main working flow of the present invention is as shown in fig. 4, firstly, a sample is pretreated, a sample bottle 16 is peeled, the sample is placed on a weighing plate 4 to be weighed, the obtained initial weight is W1 and is uploaded to an integrated control circuit main board 12 through a pressure sensor 7, the initial weight is processed into a format which can be displayed by a touch display screen 5 through the integrated control circuit main board 12 to be displayed, the weighed sample is placed in the sample bottle 16 and sealed, a test chamber cover 6 is opened, the sample bottle 16 is placed in an instrument and is covered with the test chamber cover 6, and at this time, a gas release pipeline gas sampling needle 14 enters the sample bottle 16 through a bottle cover. 8 external power supplies of power socket, press power button 3, start integrated control circuit mainboard 12 through switch 9, integrated control circuit mainboard 12 output control signal makes heating coil 15 begin to heat for heating coil 15, sample bottle 16 begins to be heated, in the process of being heated, the moisture of the inside sample of sample bottle 16 becomes vapor through being heated and arranges to polymer container 10 in through gas release pipeline gas production needle 14, then release through moisture recognition sensor 13, moisture recognition sensor 13 uploads the vapor release volume W2 of gathering to integrated control circuit mainboard 12, reachs the sample moisture content percentage after integrated control circuit mainboard 12 calculates, the computational formula is: and W2/W1 is transmitted to the touch display screen 5 for display after being subjected to format conversion by the integrated control circuit main board 12.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. Humidity method moisture tester, its characterized in that includes:
an instrument bottom case;
an instrument upper shell mounted on the instrument bottom shell;
the weighing plate, the touch display screen, the test bin cover and the power button are sequentially arranged outside the upper shell of the instrument;
the device comprises a pressure sensor, a power socket, a power switch, a polymer container, a radiator, an integrated control circuit mainboard, a moisture identification sensor, a gas sampling needle of a gas release pipeline, a heating ring and a sample bottle which are all arranged in the instrument;
the lower end of the weighing plate is connected with a pressure sensor; the right end of the heating ring is connected with the mouth of the sample bottle; the right end of the gas sampling needle of the gas release pipeline extends into the sample bottle through the bottle cap by the heating ring; the left end of the gas production needle of the gas release pipeline extends into the polymer container; the moisture identification sensor is arranged inside the polymer container; the touch display screen, the pressure sensor, the power switch, the radiator, the moisture recognition sensor and the heating ring are all electrically connected with the integrated control circuit mainboard.
2. The moisture meter of claim 1, wherein the moisture identifying sensor is a relative humidity sensor or a relative dielectric constant sensor.
3. The moisture meter according to claim 1, wherein the integrated control circuit board is a DSP chip.
4. The moisture meter according to claim 1, wherein the pressure sensor, the integrated control circuit motherboard, the polymer container, the gas sampling needle of the gas release pipeline, the heating ring and the sample bottle are sequentially mounted on the bottom surface of the bottom case of the moisture meter.
5. The moisture meter according to claim 1, wherein the power socket, the power switch and the heat sink are sequentially mounted on a side surface of a bottom case of the moisture meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911154102.8A CN110736678A (en) | 2019-11-22 | 2019-11-22 | Moisture tester by humidity method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911154102.8A CN110736678A (en) | 2019-11-22 | 2019-11-22 | Moisture tester by humidity method |
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| Publication Number | Publication Date |
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| CN110736678A true CN110736678A (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911154102.8A Pending CN110736678A (en) | 2019-11-22 | 2019-11-22 | Moisture tester by humidity method |
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| CN (1) | CN110736678A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1209872A (en) * | 1996-01-30 | 1999-03-03 | 亚利桑那仪器公司 | Moisture detector |
| CN2872349Y (en) * | 2006-03-09 | 2007-02-21 | 长春吉大·小天鹅仪器有限公司 | Fast infrared water content analyzer |
| CN206648914U (en) * | 2017-03-24 | 2017-11-17 | 汇沣格林（天津）仪器有限公司 | A kind of Moisture Meter with multi-temperature probe |
| CN207570958U (en) * | 2017-12-22 | 2018-07-03 | 宁夏大学 | A kind of Quick testing instrument for water content |
| CN211043018U (en) * | 2019-11-22 | 2020-07-17 | 吉林艾格瑞科技有限公司 | Moisture tester by humidity method |
-
2019
- 2019-11-22 CN CN201911154102.8A patent/CN110736678A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1209872A (en) * | 1996-01-30 | 1999-03-03 | 亚利桑那仪器公司 | Moisture detector |
| CN2872349Y (en) * | 2006-03-09 | 2007-02-21 | 长春吉大·小天鹅仪器有限公司 | Fast infrared water content analyzer |
| CN206648914U (en) * | 2017-03-24 | 2017-11-17 | 汇沣格林（天津）仪器有限公司 | A kind of Moisture Meter with multi-temperature probe |
| CN207570958U (en) * | 2017-12-22 | 2018-07-03 | 宁夏大学 | A kind of Quick testing instrument for water content |
| CN211043018U (en) * | 2019-11-22 | 2020-07-17 | 吉林艾格瑞科技有限公司 | Moisture tester by humidity method |
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Address after: 130000 room 1401, 14th floor, Zhongguancun innovation center, high tech Zone, Changchun City, Jilin Province Applicant after: Jilin aigrui Technology Co.,Ltd. Address before: Room 501, unit 1, floor 5, building 4, south of Jinhu Road, east of Chaofan street, high tech Industrial Development Zone, Changchun City, Jilin Province, 130000 Applicant before: Jilin aigrui Technology Co.,Ltd. |