CN203858179U - Device for measuring solid material density by virtue of precision electronic balance - Google Patents
Device for measuring solid material density by virtue of precision electronic balance Download PDFInfo
- Publication number
- CN203858179U CN203858179U CN201320760620.6U CN201320760620U CN203858179U CN 203858179 U CN203858179 U CN 203858179U CN 201320760620 U CN201320760620 U CN 201320760620U CN 203858179 U CN203858179 U CN 203858179U
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- China
- Prior art keywords
- electronic balance
- transparent protective
- liquid
- solid material
- material density
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- 239000011343 solid material Substances 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 59
- 230000001681 protective effect Effects 0.000 claims abstract description 28
- 238000005259 measurement Methods 0.000 claims description 14
- 238000012360 testing method Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 abstract 1
- NMFHJNAPXOMSRX-PUPDPRJKSA-N [(1r)-3-(3,4-dimethoxyphenyl)-1-[3-(2-morpholin-4-ylethoxy)phenyl]propyl] (2s)-1-[(2s)-2-(3,4,5-trimethoxyphenyl)butanoyl]piperidine-2-carboxylate Chemical compound C([C@@H](OC(=O)[C@@H]1CCCCN1C(=O)[C@@H](CC)C=1C=C(OC)C(OC)=C(OC)C=1)C=1C=C(OCCN2CCOCC2)C=CC=1)CC1=CC=C(OC)C(OC)=C1 NMFHJNAPXOMSRX-PUPDPRJKSA-N 0.000 description 16
- 239000007787 solid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001739 density measurement Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920003217 poly(methylsilsesquioxane) Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to a device for measuring solid material density and belongs to the technical field of experimental apparatuses. The device structurally comprises a precision electronic balance and a liquid weight measuring device, wherein the liquid weight measuring device consists of a liquid holding container in a transparent protective hood, the upper end of the transparent protective hood is opened while the bottom end of the transparent protective hood is fixed through height adjustable supporting legs and maintained horizontal, and the liquid holding container is supported and fixed through a height adjustable liquid holding container support frame; a detection sample is hanged on the precision electronic balance through a hook of the electronic balance at the bottom and is placed in the liquid holding container, and the precision electronic balance is placed on the transparent protective hood. The device is flexibly connected with the electronic balance and is convenient to install and carry, high in universality and transportability and high in measuring precision.
Description
Technical field
The utility model relates to a kind of device by precise electronic balance measurement solid material density, belongs to experiment apparatus technical field.
Background technology
At present, the device of measuring solid material density is a lot, application publication number 200820228247.9 denominations of invention are < < density measuring device for solid materials > >, its disclosed measurement mechanism is comprised of pallet, bracing frame, liquid container and universal electric balance, can be used for measuring the density of heavy body material.Utilize Archimedes principle (the suffered buoyancy of object that is placed in liquid equals the gravity that this object arranges liquid), by sample, in air and in liquid, measured weight is done difference, can draw sample suffered buoyancy in this liquid, know again the density of the aerial weight of sample and liquid, and then can draw the density of sample.
The subject matter that above-mentioned prior art < < density measuring device for solid materials > > exists is: 1. in weighing the process of sample quality in air and liquid, must be undertaken by bracing frame, and bracing frame has certain mass, the introducing of this additional mass can make precision reduction, the measurement range of test sample mass measurement narrow down.2. above-mentioned measurement mechanism do not consider to place test sample before and after liquid level change the impact bringing, the diameter that only hangs thin metal by reduction is not sufficient to eliminate this measuring error.
Summary of the invention
The utility model provides a kind of device of measuring solid material density, especially a kind of device by precise electronic balance measurement solid material density, be used for overcoming above-mentioned the deficiencies in the prior art part, realize easily the measurement to solid material density, and improve its accuracy and precision.
Apparatus structure of the present utility model is to comprise precise electronic balance 10 and liquid weight-measuring device, liquid weight-measuring device is comprised of the liquid container 5 that is placed in transparent protective shield 1, transparent protective shield 1 upper end open, bottom are fixed by height-adjustable feet 2 and are kept level, and liquid container 5 supports fixing by adjustable for height liquid container bracing frame 7; Precise electronic balance 10 hangs test samples by the electronic balance hook 9 of bottom, and sample is placed in to liquid container 5, and precise electronic balance 10 is positioned in transparent protective shield 1.
Described electronic balance hook 9 is hung and is held hanging basket 6 for sample by fine wire 8, and test samples is placed in hanging basket 6.
The diameter of described fine wire 8 is 0.10～0.20mm, the measuring accuracy≤0.10mg of electronic balance.
There is anti-slip rubber 4 at described transparent protective shield 1 upper end open place.
Described feet 2 is threaded and be placed in square organic glass resin protective cover 1 below corner location, by regulating the electronic balance maintenance level that can guarantee that its top is placed.It is adjustable that liquid container supports 7 height, and can guaranteeing to measure sample, to put into the height of liquid container 5 front and back liquid levels constant.Electronic balance is placed in the top of protective cover 1, with anti-slip rubber 4, is connected with protective cover 1, and on electronic balance, large face plate 10 is for weighing the quality m1 of air solid.Electronic balance suspension hook 9 is connected with hanging basket 6 by tinsel, and hanging basket 6 immerses in the interior liquid of liquid container 5, and it is its quality m2 at liquid of ponderable quantity that solid sample to be measured is placed in to hanging basket 6.Liquid container 5 is positioned over and supports on 7, and the height of support 7 is adjustable.
The density measurement principle of the utility model solid material is: at known fluid density ρ
liquidcondition under, use precise electronic balance to weigh up respectively the aerial quality m of unknown density solid
1with the quality m in liquid
2, substitution formula ρ
gu=m
1* ρ
liquid/ (m
1-m
2), can obtain the density p of solid
gu.
The beneficial effects of the utility model are:
(1) compare with immediate prior art (200820228247.9), the utility model device without using extra bracing frame, has been avoided the introducing of additional mass and error in the process of test density of solid, is conducive to improve measuring accuracy and accuracy;
(2) in the utility model, the height of liquid container is adjustable, can guarantee to place test sample front and back liquid level constant all the time; And immediate prior art (200820228247.9) can not realize this function, only the reduction by fine wire diameter reduces this error; The present invention has fundamentally overcome liquid level and has changed the measuring error of bringing, thus measuring accuracy and accuracy higher;
(3) this device is flexible with the connected mode of electronic balance, be convenient to install, carry, and versatility and portable strong, measuring accuracy is high.
Accompanying drawing explanation
Fig. 1 is density measuring equipment structural representation of the present utility model.
In figure: 1-transparent protective shield, the height-adjustable feet of 2-, 3-can switch picks and places sample window, the anti-slip rubber of 4-; 5-liquid container, 6-holds sample hanging basket, and 7-liquid container supports; 8-fine wire, 9-electronic balance suspension hook, 10-precise electronic balance.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment one: as shown in Figure 1, the structure of the device of the measurement solid material density of present embodiment is: comprise precise electronic balance 10 and liquid weight-measuring device, liquid weight-measuring device is comprised of the liquid container 5 that is placed in transparent protective shield 1, transparent protective shield 1 upper end open, bottom are fixed by height-adjustable feet 2 and are kept level, and liquid container 5 supports fixing by adjustable for height liquid container bracing frame 7; Precise electronic balance 10 hangs test samples by the electronic balance hook 9 of bottom, and sample is placed in to liquid container 5, and precise electronic balance 10 is positioned in transparent protective shield 1.Electronic balance hook 9 is hung and is held hanging basket 6 for sample by fine wire 8, and test samples is placed in hanging basket 6.The diameter of fine wire 8 is 0.15mm, the measuring accuracy≤0.10mg of electronic balance.There is anti-slip rubber 4 at transparent protective shield 1 upper end open place.
Embodiment two: as shown in Figure 1, the structure of the device of the measurement solid material density of present embodiment is: comprise precise electronic balance 10 and liquid weight-measuring device, liquid weight-measuring device is comprised of the liquid container 5 that is placed in transparent protective shield 1, transparent protective shield 1 upper end open, bottom are fixed by height-adjustable feet 2 and are kept level, and liquid container 5 supports fixing by adjustable for height liquid container bracing frame 7; Precise electronic balance 10 hangs test samples by the electronic balance hook 9 of bottom, and sample is placed in to liquid container 5, and precise electronic balance 10 is positioned in transparent protective shield 1.Electronic balance hook 9 is hung and is held hanging basket 6 for sample by fine wire 8, and test samples is placed in hanging basket 6.The diameter of fine wire 8 is 0.10mm, the measuring accuracy≤0.10mg of electronic balance.There is anti-slip rubber 4 at transparent protective shield 1 upper end open place.
Embodiment three: as shown in Figure 1, the structure of the device of the measurement solid material density of present embodiment is: comprise precise electronic balance 10 and liquid weight-measuring device, liquid weight-measuring device is comprised of the liquid container 5 that is placed in transparent protective shield 1, transparent protective shield 1 upper end open, bottom are fixed by height-adjustable feet 2 and are kept level, and liquid container 5 supports fixing by adjustable for height liquid container bracing frame 7; Precise electronic balance 10 hangs test samples by the electronic balance hook 9 of bottom, and sample is placed in to liquid container 5, and precise electronic balance 10 is positioned in transparent protective shield 1.Electronic balance hook 9 is hung and is held hanging basket 6 for sample by fine wire 8, and test samples is placed in hanging basket 6.The diameter of fine wire 8 is between 0.20mm, and the measuring accuracy of electronic balance is 0.08mg.There is anti-slip rubber 4 at transparent protective shield 1 upper end open place.
Below by reference to the accompanying drawings embodiment of the present utility model is explained in detail, but the utility model is not limited to above-mentioned embodiment, in the ken possessing those of ordinary skills, can also under the prerequisite that does not depart from aim of the present invention, make various variations.
Claims (4)
1. a device of measuring solid material density, comprise precise electronic balance (10) and liquid weight-measuring device, it is characterized in that: liquid weight-measuring device is comprised of the liquid container (5) that is placed in transparent protective shield (1), transparent protective shield (1) upper end open, bottom are fixed by height-adjustable feet (2) and are kept level, and liquid container (5) supports fixing by adjustable for height liquid container bracing frame (7); Precise electronic balance (10) hangs test samples by the electronic balance hook (9) of bottom, and sample is placed in to liquid container (5), and precise electronic balance (10) is positioned in transparent protective shield (1).
2. the device of measurement solid material density according to claim 1, is characterized in that: described electronic balance hook (9) is hung and held hanging basket for sample (6) by fine wire (8), and test samples is placed in hanging basket (6).
3. the device of measurement solid material density according to claim 2, is characterized in that: the diameter of described fine wire (8) is 0.10～0.20mm, the measuring accuracy≤0.10mg of electronic balance.
4. the device of measurement solid material density according to claim 1, is characterized in that: there is anti-slip rubber (4) at described transparent protective shield (1) upper end open place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320760620.6U CN203858179U (en) | 2013-11-28 | 2013-11-28 | Device for measuring solid material density by virtue of precision electronic balance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320760620.6U CN203858179U (en) | 2013-11-28 | 2013-11-28 | Device for measuring solid material density by virtue of precision electronic balance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203858179U true CN203858179U (en) | 2014-10-01 |
Family
ID=51608025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320760620.6U Expired - Fee Related CN203858179U (en) | 2013-11-28 | 2013-11-28 | Device for measuring solid material density by virtue of precision electronic balance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203858179U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424551A (en) * | 2015-12-01 | 2016-03-23 | 中磁科技股份有限公司 | Equipment and method for measuring density of sintered NdFeB blank |
| CN109827869A (en) * | 2019-03-28 | 2019-05-31 | 广州市垠瀚能源科技有限公司 | A kind of device and method measuring sticky fluid density |
| CN111721670A (en) * | 2020-05-28 | 2020-09-29 | 中国计量科学研究院 | Liquid density measuring device |
| CN111982742A (en) * | 2020-08-12 | 2020-11-24 | 西安近代化学研究所 | Device and method for testing density of large-size and special-shaped explosive integral grain |
| CN112394005A (en) * | 2020-11-09 | 2021-02-23 | 中国空间技术研究院 | Device and method suitable for testing density of solid and liquid |
| CN112414886A (en) * | 2020-10-23 | 2021-02-26 | 同济大学 | Material compatibility testing device and method for fuel system component |
-
2013
- 2013-11-28 CN CN201320760620.6U patent/CN203858179U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424551A (en) * | 2015-12-01 | 2016-03-23 | 中磁科技股份有限公司 | Equipment and method for measuring density of sintered NdFeB blank |
| CN109827869A (en) * | 2019-03-28 | 2019-05-31 | 广州市垠瀚能源科技有限公司 | A kind of device and method measuring sticky fluid density |
| CN111721670A (en) * | 2020-05-28 | 2020-09-29 | 中国计量科学研究院 | Liquid density measuring device |
| CN111982742A (en) * | 2020-08-12 | 2020-11-24 | 西安近代化学研究所 | Device and method for testing density of large-size and special-shaped explosive integral grain |
| CN112414886A (en) * | 2020-10-23 | 2021-02-26 | 同济大学 | Material compatibility testing device and method for fuel system component |
| CN112414886B (en) * | 2020-10-23 | 2022-04-05 | 同济大学 | Material compatibility testing device and method for fuel system component |
| CN112394005A (en) * | 2020-11-09 | 2021-02-23 | 中国空间技术研究院 | Device and method suitable for testing density of solid and liquid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 Termination date: 20151128 |