CN109357723A - A kind of method and device of measurement arm quality - Google Patents
A kind of method and device of measurement arm quality Download PDFInfo
- Publication number
- CN109357723A CN109357723A CN201811539884.2A CN201811539884A CN109357723A CN 109357723 A CN109357723 A CN 109357723A CN 201811539884 A CN201811539884 A CN 201811539884A CN 109357723 A CN109357723 A CN 109357723A
- Authority
- CN
- China
- Prior art keywords
- flume
- arm
- lower flume
- water
- quality
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000005259 measurement Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000011521 glass Substances 0.000 claims abstract description 18
- 210000001503 joint Anatomy 0.000 claims abstract description 6
- 150000003839 salts Chemical class 0.000 claims description 16
- 239000012153 distilled water Substances 0.000 claims description 9
- 239000012267 brine Substances 0.000 claims description 5
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 5
- 238000003032 molecular docking Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000004821 distillation Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 2
- 210000000577 adipose tissue Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F17/00—Methods or apparatus for determining the capacity of containers or cavities, or the volume of solid bodies
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G17/00—Apparatus for or methods of weighing material of special form or property
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Optical Measuring Cells (AREA)
Abstract
The present invention relates to measuring techniques, it is desirable to provide a kind of method and device of measurement arm quality.The device includes the upper flume and lower flume of tubular, and the bottom of upper flume sets out the mouth of a river, and the opening of lower flume sets water valve；When upper flume bottom and lower flume open butt joint, water outlet can realize that No leakage docks with water valve；The side wall of lower flume is equipped with one for protruding into the tube channel of arm, and tube channel is provided with leakproof rubber pad；It is located at the laser pen that a horizontal direction is respectively set in tube channel or more two sides on the side wall of lower flume, is lauched two white panels of setting in groove sidewall in opposite with laser pen；It further include a vertical glass tube, bottom is communicated with the bottom of lower flume.Structure of the invention is easy, and easy to operate, measurement error is small.Arm volume is measured using drainage, then arm averag density is obtained by simple computation, so that arm quality is calculated, fast and easy, securely and reliably.
Description
Technical field
The present invention relates to measuring technique, in particular to a kind of method and device for measuring human arm quality.
Background technique
In daily life, people more and more pay close attention to own bodies situation, such as height, weight, body fat ratio, heart rate
Deng.For certain specific reasons (such as body-building or body-builders are games results consideration), it can be concerned about arm shape, concern
Arm muscles and fat ratio pay close attention to the annual variation of arm.Or out of sheer curiosity, people can want to measure oneself or he
The arm quality of people.And arm is human body inalienable part, can not simply be weighed with scale.And human body and
It is complicated, the branch and uneven in human body such as bone, fat, muscle, body fluid, if simply body averag density is equal
It is calculated in arm density, then error is larger.
Summary of the invention
The technical problem to be solved by the present invention is to overcome deficiency in the prior art, provide a kind of measurement arm quality
Method and device.
In order to solve the technical problem, solution of the invention is:
A kind of device of measurement arm quality is provided, upper flume and lower flume including tubular, the bottom of upper flume is set out
The opening at the mouth of a river, lower flume sets water valve；When upper flume bottom and lower flume open butt joint, water outlet can realize nothing with water valve
Leakage docking；
The side wall of the lower flume is equipped with one for protruding into the tube channel of arm, and tube channel is provided with leakproof rubber
Pad；Be located at tube channel or more two sides on the side wall of lower flume and the laser pen of a horizontal direction be respectively set, with laser pen
Opposite is lauched two white panels of setting in groove sidewall；
The device further includes a vertical glass tube, and bottom is communicated with the bottom of lower flume.
In the present invention, the water outlet in upper flume bottom is equipped with rubber stopper, and the top of the water valve is equipped with connecting tube；When upper
When bottom of gullet and lower flume open butt joint, connecting tube can be inserted into rubber stopper and realize that No leakage docks.
In the present invention, the glass tube is equipped with scale or scale for measuring water level.
In the present invention, have waterproof coating or wrappage outside the laser pen.
In the present invention, the upper flume and lower flume are had the same diameter.
Invention further provides the methods using aforementioned device measurement arm quality, comprising the following steps:
(1) two laser pens are opened, the laser holding for emitting it is horizontal, is radiated in two white panels respectively；
(2) arm is protruded into empty lower flume from tube channel, keeps natural relaxation state, the leakproof rubber pad of tube channel
Banding arm simultaneously realizes sealing；
(3) distilled water is injected into lower flume, is submerged arm all；Due to arm density be greater than distillation water density and
In natural relaxation state, arm, which can be sink to, to be lauched trench bottom and blocks downside laser；Record glass tube in height of water level be
h1, and the distilled water volume being added is V1, quality M1；Calculate the volume V of armA:
In formula,The respectively diameter of lower flume and glass tube；
(4) high concentration salt water is packed into upper flume, the quality for recording upper flume at this time is m1；
Upper flume is placed in the opening of lower flume, water outlet is made to realize that No leakage docks with water valve；Opening water valve will be high
Concentration salt water injects lower flume, makes that the distilled water in lower flume becomes salt water and density gradually increases, when the salt water in lower flume
When density and arm averag density are consistent, the arm meeting level in natural relaxation state is suspended in lower flume, at this time
The hot spot of two laser pens can be located in two white panels simultaneously, close water valve；The quality for recording upper flume at this time is m2, glass
Height after water level rises in glass pipe is h2；
(5) the averag density ρ of arm is calculated according to the following formulaA:
(6) further according to mass MA=ρA×VA, calculate arm mass MA:
In the present invention, the high concentration salt water is the strong brine prepared with salt, is had no special requirements to its concentration.
Compared with prior art, the beneficial effects of the present invention are:
1, structure of the invention is easy, and easy to operate, measurement error is small.
2, the present invention measures arm volume using drainage, then obtains arm averag density by simple computation, thus
Calculate arm quality, fast and easy, securely and reliably.
Detailed description of the invention
Fig. 1 is the general assembly schematic diagram of apparatus of the present invention；
Fig. 2 is the use state diagram of apparatus of the present invention.
Appended drawing reference in figure: upper flume 1；Water outlet 2；Lower flume 3；Glass tube 4；Water valve 5；Laser pen 6；Tube channel 7；It is white
Color panel 8.
Specific embodiment
With reference to the accompanying drawing, implementation of the invention is described in detail:
Fig. 1 is the general assembly schematic diagram of measurement arm quality device of the present invention.The device includes the upper of the tubular of same diameter
Sink 1 and lower flume 3, the bottom of upper flume 1 set the water outlet 2 with rubber stopper, and the opening of lower flume 3 sets water valve 5；Water valve 5
Top be equipped with connecting tube；When 1 bottom of upper flume and 3 open butt joint of lower flume, connecting tube can be inserted into rubber stopper and realize
No leakage docking.The device further includes a vertical glass tube 4, and glass tube 4 is equipped with scale or mark for measuring water level
Ruler, bottom are communicated with the bottom of lower flume 3.
The side wall of lower flume 3 is equipped with one for protruding into the tube channel 7 of arm, and tube channel 7 is provided with leakproof rubber pad；
Be located at about 7 two sides of tube channel on the side wall of lower flume 3 and the laser pen 6 of a horizontal direction be respectively set, with laser pen 6
Two white panels 8 are set on opposite 3 side wall of lower flume.Have waterproof coating or wrappage outside laser pen 6.
Utilize the method for the device measurement arm quality, comprising the following steps:
(1) two laser pens 6 are opened, the laser holding for emitting it is horizontal, is radiated in two white panels 8 respectively；
(2) arm is protruded into empty lower flume 3 from tube channel 7, keeps natural relaxation state, the leakproof rubber of tube channel 7
Rubber mat banding arm simultaneously realizes sealing；
(3) distilled water is injected into lower flume 3, is submerged arm all；Since arm density is greater than distillation water density
And it is in natural relaxation state, arm can be sink to 3 bottom of lower flume and block downside laser；The water level recorded in glass tube 4 is high
Degree is h1, and the distilled water volume being added is V1, quality M1；
Calculate the volume V of armA:
In formula,The respectively diameter of lower flume 3 and glass tube 4；π is pi；
(4) high concentration salt water is packed into upper flume 3, the quality for recording upper flume 3 at this time is m1；High concentration salt water is optional
The strong brine that salt is prepared, has no special requirements to its concentration.
Upper flume 3 is placed in the opening of lower flume, water outlet 2 is made to realize that No leakage docks with water valve 5；Open water valve 5
High concentration salt water is injected into lower flume 3, makes that the distilled water in lower flume 3 becomes salt water and density gradually increases, when in lower flume 3
Brine density and arm averag density when being consistent, the arm in natural relaxation state can level be suspended in lower flume 3
In, the hot spot of two laser pens 6 can be located in two white panels 8 simultaneously at this time, close water valve 5；Record upper flume 3 at this time
Quality is m2, the height after water level rises in glass tube 4 is h2；
(5) the averag density ρ of arm is calculated according to the following formulaA:
(6) further according to mass MA=ρA×VA, calculate arm mass MA:
Claims (7)
1. a kind of device of measurement arm quality, which is characterized in that upper flume and lower flume including tubular, the bottom of upper flume
The mouth of a river is set out, the opening of lower flume sets water valve；When upper flume bottom and lower flume open butt joint, water outlet can be with water valve reality
Existing No leakage docking；
The side wall of the lower flume is equipped with one for protruding into the tube channel of arm, and tube channel is provided with leakproof rubber pad；?
It is located at the laser pen that a horizontal direction is respectively set in tube channel or more two sides on the side wall of lower flume, opposite with laser pen
It is lauched two white panels of setting in groove sidewall；
The device further includes a vertical glass tube, and bottom is communicated with the bottom of lower flume.
2. the apparatus according to claim 1, which is characterized in that the water outlet in upper flume bottom is equipped with rubber stopper, described
The top of water valve is equipped with connecting tube；When upper flume bottom and lower flume open butt joint, connecting tube can be inserted into rubber stopper simultaneously real
Existing No leakage docking.
3. the apparatus according to claim 1, which is characterized in that the glass tube be equipped with for measure water level scale or
Scale.
4. the apparatus according to claim 1, which is characterized in that have waterproof coating or package outside the laser pen
Object.
5. the apparatus according to claim 1, which is characterized in that the upper flume and lower flume have the same diameter.
6. utilizing the method for claim 1 described device measurement arm quality, which comprises the following steps:
(1) two laser pens are opened, the laser holding for emitting it is horizontal, is radiated in two white panels respectively；
(2) arm is protruded into empty lower flume from tube channel, keeps natural relaxation state, the leakproof rubber pad banding of tube channel
Arm simultaneously realizes sealing；
(3) distilled water is injected into lower flume, is submerged arm all；Since arm density is greater than distillation water density and is in
Natural relaxation state, arm, which can be sink to, to be lauched trench bottom and blocks downside laser；Recording the height of water level in glass tube is h1, with
And the distilled water volume being added is V1, quality M1；Calculate the volume V of armA:
In formula,The respectively diameter of lower flume and glass tube；
(4) high concentration salt water is packed into upper flume, the quality for recording upper flume at this time is m1；
Upper flume is placed in the opening of lower flume, water outlet is made to realize that No leakage docks with water valve；Water valve is opened by high concentration
Salt water injects lower flume, makes that the distilled water in lower flume becomes salt water and density gradually increases, when the brine density in lower flume
When being consistent with arm averag density, the arm meeting level in natural relaxation state is suspended in lower flume, and two at this time
The hot spot of laser pen can be located in two white panels simultaneously, close water valve；The quality for recording upper flume at this time is m2, glass tube
Height after middle water level rises is h2；
(5) the averag density ρ of arm is calculated according to the following formulaA:
(6) further according to mass MA=ρA×VA, calculate arm mass MA:
7. according to the method described in claim 6, it is characterized in that, the high concentration salt water be with salt prepare strong brine,
It has no special requirements to its concentration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811539884.2A CN109357723B (en) | 2018-12-17 | 2018-12-17 | Method and device for measuring arm quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811539884.2A CN109357723B (en) | 2018-12-17 | 2018-12-17 | Method and device for measuring arm quality |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109357723A true CN109357723A (en) | 2019-02-19 |
| CN109357723B CN109357723B (en) | 2023-12-08 |
Family
ID=65329871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811539884.2A Active CN109357723B (en) | 2018-12-17 | 2018-12-17 | Method and device for measuring arm quality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109357723B (en) |
Citations (14)
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|---|---|---|---|---|
| US4887231A (en) * | 1987-12-24 | 1989-12-12 | Westinghouse Electric Corp. | Determination of turbine blade cross-sectional area |
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| WO2001075404A1 (en) * | 2000-03-30 | 2001-10-11 | Robert Jacobus Damstra | Arm volume measurement |
| US6443007B1 (en) * | 1999-04-27 | 2002-09-03 | Mettler-Toledo Gmbh | Fluid for measuring volume, density and related properties of solid bodies |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| Publication number | Publication date |
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| CN109357723B (en) | 2023-12-08 |
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