CN110455680A - A kind of test device of glass density - Google Patents
A kind of test device of glass density Download PDFInfo
- Publication number
- CN110455680A CN110455680A CN201910823861.2A CN201910823861A CN110455680A CN 110455680 A CN110455680 A CN 110455680A CN 201910823861 A CN201910823861 A CN 201910823861A CN 110455680 A CN110455680 A CN 110455680A
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- China
- Prior art keywords
- temperature
- density
- bath tub
- test tube
- glass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/10—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials
Abstract
The present invention discloses a kind of test device of glass density, including cleansing bath tub, is equipped with cover board at the top of cleansing bath tub, cover board is transversely equipped with row's test tube hole, is inserted with the test tube for protruding into cleansing bath tub in test tube hole, test tube is provided with density fluid；Heater is equipped with below cleansing bath tub, heater is connected with temperature controller；Grating is additionally provided with outside cleansing bath tub；Test device further includes MCU module and computer；Normal glass sample and glass specimen to be tested are separately added into test tube equipped with density fluid, temperature controller control heater heats the water in cleansing bath tub, with the raising of water temperature in cleansing bath tub, normal glass sample and glass specimen free subsidence to be tested, when sinking to stop position, the temperature of density fluid at this time is recorded；Computer is according to formula ρ20=ρs20+(Cp+3asρs20) (T-Ts) calculate the density of glass specimen to be tested；The device can simultaneously test the density of a variety of glass, improve accuracy.
Description
Technical field
The present invention relates to glassmaking art, the test device of specifically a kind of glass density.
Background technique
With the rapid development of liquid crystal display device industry, glass substrate is as indispensable basic of liquid crystal display device
Component, demand are growing day by day.Glass substrate material also has very stringent want to glass quality as a kind of high-quality component
It asks, therefore more demanding to glass melting process condition.In glass industry production melting process, glass density is as measurement glass
One Xiang Zhibiao of glass melting degree, so being detected by the test device for designing a kind of glass density to glass density routine, control
Glass production processed is the emphasis of high quality glass substrate.
Now, the test equipment of glass density is generally divided into electronic hydrometer and sinking-floating comparision densimeter.Electronic hydrometer,
It is test philosophy using Archimedes principle, this equipment can quickly detect glass density, but human factor is bigger, than
Such as: equipment puts adjusting imbalance, larger bring density correction values variation of temperature deviation etc. during test.And previous sink-float
Compare densimeter, is soaked in same solution simultaneously using standard specimen will be referred to sample to be tested, it is molten when temperature, which increases, to be changed
Liquid density reduces, and solid sample successively settles.It is tested compared with known density standard specimen by sample to be tested, it can be accurate
Glass density is tested, but needs the temperature of artificial record sample sedimentation, when test sample increases or sample while when settling,
Data may be recorded to tester makes troubles, so that influencing final result calculating.
Summary of the invention
The purpose of the present invention is to provide a kind of test device of glass density, which can be simultaneously to a variety of glass
Density is tested, and can reduce the interference of human factor, improves accuracy.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of test device of glass density, including cleansing bath tub, cleansing bath tub top are equipped with cover board, and cover board is transversely equipped with row examination
Pore is inserted with the test tube for protruding into cleansing bath tub in test tube hole, and test tube is provided with density fluid；Two are additionally provided on cover board
Temperature detection hole is inserted with the temperature test tube for protruding into cleansing bath tub in one of temperature detection hole, and temperature test tube is provided with density
Liquid is inserted with the first temperature sensor for detection density liquid temperature in temperature test tube；It is plugged in another temperature detection hole
There is the second temperature sensor for detecting water temperature；
Bottom is equipped with magnetic stirring apparatus in cleansing bath tub, is equipped with heater below cleansing bath tub, heater is connected with temperature controller；Water
Grating is additionally provided with outside bathtub, grating and test tube in the same plane, make the laser level of grating be irradiated in test tube；
The test device further includes MCU module and computer, the grating, the first temperature sensor and second temperature sensor
It is respectively connected to the input interface of MCU module；The output interface of MCU module is separately connected temperature controller and magnetic stirring apparatus；
Communication connection between MCU module and computer；
Normal glass sample and glass specimen to be tested, temperature controller control are separately added into test tube equipped with density fluid
Heater heats the water in cleansing bath tub, with the raising of water temperature in cleansing bath tub, normal glass sample and glass to be tested
Sample free subsidence, when sinking to stop position, grating will test signal and be sent to MCU module, and MCU module is recorded simultaneously
The temperature of density fluid at this time；
Computer is according to formula ρ20=ρs20+(Cp+3asρs20) (T-Ts) calculate the density of glass specimen to be tested；
ρ in above formula20The density for being glass specimen to be tested at 20 DEG C, ρ s20The density for being normal glass sample at 20 DEG C,
Cp is the temperature coefficient of density fluid, and as is the linear expansion coefficient of normal glass sample, and T is that glass specimen to be tested sinks to grating
Density fluid temperature when position, Ts are density fluid temperature when normal glass sample sinks to stop position.
Further, when the temperature controller control heater heats the water in cleansing bath tub, heating rate 1
~2 DEG C/min, while temperature difference≤0.4 DEG C of water temperature and density fluid.
Further, it when the temperature controller control heater heats the water in cleansing bath tub, opens magnetic force and stirs
Mix device, 300~500 revs/min of the revolving speed of magnetic stirring apparatus.
The invention has the advantages that cleansing bath tub and test tube composition heating settlement section, make normal glass sample with
Glass specimen to be tested free subsidence as the temperature rises, and subsidence position is captured by grating, it is corresponding to re-record subsidence position
Density fluid temperature, the density of glass specimen to be tested is finally calculated by formula, test process is automatically performed, reduce it is artificial because
The interference of element improves accuracy.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is schematic diagram of the invention；
Fig. 2 is the magnifying state schematic diagram of test tube when the present invention uses.
Specific embodiment
In conjunction with shown in Fig. 1 and Fig. 2, the present invention provides a kind of test device of glass density, including cleansing bath tub 1, cleansing bath tub 1
Top is equipped with cover board 2, and cover board is transversely equipped with row's test tube hole 3, is inserted with the test tube for protruding into cleansing bath tub in test tube hole 3,
Six roots of sensation test tube is arranged in the present embodiment, is followed successively by the first test tube 41, the second test tube 42, third test from left to right
Test tube 43, the 4th test tube 44, the 5th test tube 45 and the 6th test tube 46；Density fluid 5 is respectively arranged in test tube；
Two temperature detection holes, i.e. the first temperature detection hole 6 and second temperature detection hole 7, the first temperature detection hole are additionally provided on cover board 2
It is inserted with the temperature test tube 8 for protruding into cleansing bath tub in 6, density fluid is also equipped in temperature test tube 8, is inserted with and is used in temperature test tube 8
First temperature sensor 9 of detection density liquid temperature；The second temperature for detecting water temperature is inserted in second temperature detection hole 7
Sensor 10.
Bottom is equipped with magnetic stirring apparatus 11 in cleansing bath tub 1, is equipped with heater 12 below cleansing bath tub 1, heater 12 is connected with
Temperature controller 13；Grating 14 is additionally provided with outside cleansing bath tub 1, grating 14 and test tube in the same plane, make swashing for grating 14
Light level is irradiated in test tube.
The test device further includes MCU module 15 and computer 16, the grating 14, the first temperature sensor 9 and
Two temperature sensors 10 are respectively connected to the input interface of MCU module 15；The output interface of MCU module 15 is separately connected temperature control
Device 13 processed and magnetic stirring apparatus 11；Communication connection between MCU module 15 and computer 16 can be used RS485 and carry out communication connection.
The density fluid of Conventional glass density measurement can be used in density fluid of the present invention, and the present embodiment is using tetrabromoethane and a- bromine
For naphthalene mixed solution as density fluid.Normal glass sample and glass to be tested are separately added into test tube equipped with density fluid
Glass sample, the first test tube of the present embodiment 41 is interior to be added normal glass sample 17, is added in remaining test tube to be tested
Glass specimen 18.
Temperature controller 13 controls heater 12 and heats to the water in cleansing bath tub 1, and when heating, heating rate is 1~2
DEG C/min, while guaranteeing temperature difference≤0.4 DEG C of water temperature and density fluid, magnetic stirring apparatus 11, magnetic agitation are opened at the same time
300~500 revs/min of the revolving speed of device 11.
With the raising of water temperature in cleansing bath tub 1, normal glass sample 17 and 18 free subsidence of glass specimen to be tested, instantly
When sinking to 14 position of grating, grating 14 will test signal and be sent to MCU module 15, and MCU module 15 records density at this time simultaneously
The temperature of liquid.
Computer 16 is according to formula ρ20=ρs20+(Cp+3asρs20) (T-Ts) calculate the density of glass specimen to be tested；
ρ in above formula20The density for being glass specimen to be tested at 20 DEG C, ρ s20The density for being normal glass sample at 20 DEG C, Cp are
The temperature coefficient of density fluid, as are the linear expansion coefficient of normal glass sample, and T is that glass specimen to be tested sinks to stop position
When density fluid temperature, Ts is density fluid temperature when normal glass sample sinks to stop position.
Since the density of each glass specimen to be tested is different, the speed that each glass specimen to be tested sinks in test tube
Degree is different, therefore can pass sequentially through the position of grating irradiation, is successively captured by grating, to realize simultaneously to a variety of glass
Density is tested.
The above described is only a preferred embodiment of the present invention, being not intended to limit the present invention in any form；Appoint
What those skilled in the art, without departing from the scope of the technical proposal of the invention, all using the side of the disclosure above
Method and technology contents make many possible changes and modifications to technical solution of the present invention, or are revised as the equivalent reality of equivalent variations
Apply example.Therefore, anything that does not depart from the technical scheme of the invention according to the technical essence of the invention do above embodiments
Any simple modification, equivalent replacement, equivalence changes and modification, all of which are still within the scope of protection of the technical scheme of the invention.
Claims (3)
1. a kind of test device of glass density, which is characterized in that including cleansing bath tub, be equipped with cover board, cover board edge at the top of cleansing bath tub
It is transversely provided with row's test tube hole, is inserted with the test tube for protruding into cleansing bath tub in test tube hole, test tube is provided with density fluid；Lid
It is additionally provided with two temperature detection holes on plate, the temperature test tube for protruding into cleansing bath tub, temperature are inserted in one of temperature detection hole
Test tube is provided with density fluid, and the first temperature sensor for detection density liquid temperature is inserted in temperature test tube；Another temperature
The second temperature sensor for detecting water temperature is inserted in degree detection hole；
Bottom is equipped with magnetic stirring apparatus in cleansing bath tub, is equipped with heater below cleansing bath tub, heater is connected with temperature controller；Water
Grating is additionally provided with outside bathtub, grating and test tube in the same plane, make the laser level of grating be irradiated in test tube；
The test device further includes MCU module and computer, the grating, the first temperature sensor and second temperature sensor
It is respectively connected to the input interface of MCU module；The output interface of MCU module is separately connected temperature controller and magnetic stirring apparatus；
Communication connection between MCU module and computer；
Normal glass sample and glass specimen to be tested, temperature controller control are separately added into test tube equipped with density fluid
Heater heats the water in cleansing bath tub, with the raising of water temperature in cleansing bath tub, normal glass sample and glass to be tested
Sample free subsidence, when sinking to stop position, grating will test signal and be sent to MCU module, and MCU module is recorded simultaneously
The temperature of density fluid at this time；
Computer is according to formula ρ20=ρs20+(Cp+3asρs20) (T-Ts) calculate the density of glass specimen to be tested；
ρ in above formula20The density for being glass specimen to be tested at 20 DEG C, ρ s20The density for being normal glass sample at 20 DEG C, Cp
For the temperature coefficient of density fluid, as is the linear expansion coefficient of normal glass sample, and T is that glass specimen to be tested sinks to grating position
Density fluid temperature when setting, Ts are density fluid temperature when normal glass sample sinks to stop position.
2. a kind of test device of glass density according to claim 1, which is characterized in that the temperature controller control
When heater heats the water in cleansing bath tub, heating rate is 1~2 DEG C/min, while the temperature difference of water temperature and density fluid
≤0.4℃。
3. a kind of test device of glass density according to claim 1 or 2, which is characterized in that the temperature controller
Control heater is when heating the water in cleansing bath tub, opens magnetic stirring apparatus, and 300~500 turns of the revolving speed of magnetic stirring apparatus/
Minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910823861.2A CN110455680A (en) | 2019-09-02 | 2019-09-02 | A kind of test device of glass density |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910823861.2A CN110455680A (en) | 2019-09-02 | 2019-09-02 | A kind of test device of glass density |
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| Publication Number | Publication Date |
|---|---|
| CN110455680A true CN110455680A (en) | 2019-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910823861.2A Pending CN110455680A (en) | 2019-09-02 | 2019-09-02 | A kind of test device of glass density |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112540027A (en) * | 2020-11-28 | 2021-03-23 | 国网江苏省电力有限公司盐城供电分公司 | Inspection and test method for modified polypropylene plastic cable protection pipe |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2134648Y (en) * | 1992-07-19 | 1993-05-26 | 国家建材局秦皇岛玻璃研究院 | Sinking-floating comparision densimeter |
| CN2200180Y (en) * | 1994-07-26 | 1995-06-07 | 蒋荃 | Intelligent density tester |
| CN204461936U (en) * | 2015-04-09 | 2015-07-08 | 蚌埠中建材信息显示材料有限公司 | A kind of glass density instrument |
-
2019
- 2019-09-02 CN CN201910823861.2A patent/CN110455680A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2134648Y (en) * | 1992-07-19 | 1993-05-26 | 国家建材局秦皇岛玻璃研究院 | Sinking-floating comparision densimeter |
| CN2200180Y (en) * | 1994-07-26 | 1995-06-07 | 蒋荃 | Intelligent density tester |
| CN204461936U (en) * | 2015-04-09 | 2015-07-08 | 蚌埠中建材信息显示材料有限公司 | A kind of glass density instrument |
Non-Patent Citations (1)
| Title |
|---|
| 管世锋: "《中华人民共和国国家标准》", 12 November 2008 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112540027A (en) * | 2020-11-28 | 2021-03-23 | 国网江苏省电力有限公司盐城供电分公司 | Inspection and test method for modified polypropylene plastic cable protection pipe |
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Application publication date: 20191115 |
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