CN201221939Y - True volume measuring system with clearance material under aggregation state - Google Patents
True volume measuring system with clearance material under aggregation state Download PDFInfo
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- CN201221939Y CN201221939Y CNU2008201043803U CN200820104380U CN201221939Y CN 201221939 Y CN201221939 Y CN 201221939Y CN U2008201043803 U CNU2008201043803 U CN U2008201043803U CN 200820104380 U CN200820104380 U CN 200820104380U CN 201221939 Y CN201221939 Y CN 201221939Y
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- exhaust switch
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Abstract
The utility model relates to a true-volume measuring system that has gap substances under the aggregation status, which comprises a gas input part, a closing measuring part with a gas intake switch valve and a gas discharging switch valve, and a gas discharging part, wherein, the closing measuring part with the gas intake and the gas discharging switch valves comprises an input air stream switch valve, a sample cell to be measured, a standard-volume access valve, a standard volume chamber and a gas discharging switch valve; the input air stream switch valve of the closing measuring part is communicated with the gas input part, and the gas discharging switch valve is communicated with the gas discharging part; the closing measuring part is provided with a gas pressure measuring part; when the substance to be measured is the metal or the compound powder, a filtering net is arranged between the sample cell to be measured on the closing measuring part and the standard volume access valve. The measuring system has high measurement precision and is simple and convenient to use, and is applicable to the true-volume measurement of the metal, the compound powder or the substance with the interior being provided with micro holes that are communicated with the outer surface.
Description
Technical field:
The utility model relates to a kind of measurement mechanism, and particularly a kind of gas that adopts is measured the measuring system that it is in the true volume of gapped material under the Set Status as measuring media.
Background technology:
At present, to the measurement of metal or compound powder effective density mostly is to be prerequisite with liquid infiltration body of powder, adopting pycnometer and suspension bucket is that instrument is measured, metal or compound powder must contact with liquid in the operating process of employing said method, for easily molten or contain easily soluble component or can with the metal or the compound powder material of liquid generation chemical reaction, then cause the measurement result precision greatly to reduce, even not credible.In order to improve the precision of measurement, people have carried out various improvement to this measuring method and device, disclose a kind of as: Granted publication number for the utility model patent of CN2735332Y not by means of liquid, to erose solid, the density of colloid, " the aneroid density that volume is measured, volume measuring instrument ", this measuring instrument only needs measured matter is placed in the airtight container, gas in the container is compressed, utilize principles such as isothermal process in the equation of gas state or adiabatic process, the computer program of being worked out by operation converts pressure to volume or density value automatically, though this device and method has avoided measured object to contact with liquid, but difficulty reaches initial sealing state in practical operation, and the external force acting of gas compression back also can cause temperature to rise and cause non-isothermal process, therefore can not guarantee the degree of accuracy of its measurement, the help that needs repeatedly sampling and computer programming is to improve precision; In addition, have under the material or its Set Status of the micropore that is connected with outside surface for some inside, gapped material, the measurement of its real volume and density also is a difficult problem.
The utility model content:
The purpose of this utility model is to provide a kind of measuring true volume system that is in gapped material under the Set Status, it both can carry out high-precision measurement to metal or compound powder true volume, but also was applicable to that inside has under the material or its Set Status of the micropore that is connected with outside surface, the measuring true volume of gapped material.
The technical scheme that solves the problems of the technologies described above is: a kind of measuring true volume system that is in gapped material under the Set Status, comprise the gas importation, bring into, the sealing measure portion and the discharge portion of exhaust switch valve, described bringing into, the sealing measure portion of exhaust switch valve is by the input air flow switch valve that links to each other in turn, the testing sample pond, the standard volume cut-in valve, standard volume chamber and exhaust switch valve are formed, and bring into, the input air flow switch valve of the sealing measure portion of exhaust switch valve is connected with the gas importation, its exhaust switch valve is connected with discharge portion; Bringing into, the gas pressure intensity measurement component be installed in the sealing measure portion of exhaust switch valve.
Its further technical scheme is: describedly bring into, filter screen be installed between the testing sample pond of the sealing measure portion of exhaust switch valve and the standard volume cut-in valve.
A kind of measuring true volume system that is in gapped material under the Set Status of the utility model has following beneficial effect:
One, measuring accuracy height, exploitativeness are strong:
The measuring true volume system that the utility model a kind of is in gapped material under the Set Status adopts the helium of stable in properties or nitrogen as measuring media, avoided sample to contact fully, thereby avoided the solvable composition in the sample to be dissolved in the liquid measure medium or the not high even not believable situation of measuring accuracy that causes with liquid measure medium generation chemical reaction with the liquid measure medium.Simultaneously, this measuring system has also fully been used the gentle measure expansion technology of Archimedes's fluid (gas) principle,displacement, has solid theory, and measuring accuracy height, exploitativeness are strong.
Two, device is simple and practical, method is easy:
When using the measurement of the utility model measuring system to be in the true volume of gapped material under the Set Status, only need earlier to be under the Set Status gapped material sample and to put into sample cell with tested, then the gasmetry medium is filled whole measuring system, close the exhaust switch valve of the sealing measure portion of the bringing into of measuring system, exhaust switch valve again, the standard volume cut-in valve, and to bring into, the sealing measure portion blanketing gas measuring media of exhaust switch valve, until bring into, the pressure values of the sealing measure portion of exhaust switch valve is higher than environmental stress 1.195kg/cm
2The time measure its pressurization pressure P
2, measure again behind the additional volume of access standard bring into, the pressure P of the sealing measure portion of exhaust switch valve
3, then can obtain the true volume of sample according to following computing formula, simple to operate and do not need repeatedly to test, saved experimental period greatly, increase work efficiency.
In the formula, V
P: the true volume of the gapped material sample of Set Status,
V
C: the volume of sample cell,
V
A: additional standard volume,
P
2: pressurization pressure---promptly: after the filling gas measuring media, bring into, the sealing measure portion pressure values of exhaust switch valve is higher than environmental stress 1.195kg/cm
2The time pressure,
P
3: bring into behind the additional standard volume, the pressure of the sealing measure portion of exhaust switch valve.
Three, applied widely:
A kind of measuring true volume system that is in gapped material under the Set Status of the utility model not only is applicable to the true volume of measuring metal or compound powder, and then obtains the real density of powdered rubber; And be applicable to that inside has under the material or its Set Status of the micropore that is connected with outside surface, the measuring true volume of gapped material.
Below, a kind of technical characterictic that is in the measuring true volume system of gapped material under the Set Status to the utility model is further described in conjunction with the accompanying drawings and embodiments.
Description of drawings:
Fig. 1: a kind of structural representation that is in the measuring true volume system of gapped material under the Set Status of the utility model.Among the figure:
I-gas importation, II-brings into, the sealing measure portion of exhaust switch valve, the III-discharge portion;
Barometer on the 1-gas cylinder, 2-gas cylinder, 3-gas input end; 4-overvoltage protection valve, 5-imports control damper, 6-input air flow switch valve; 7-testing sample pond; the 8-filter screen, 9-standard volume cut-in valve, 10-standard volume chamber; the 11-pressure transducer; the 12-exhaust switch valve, 13-exhaust airstream operation valve, 14-exhaust port.
Embodiment:
Embodiment one:
A kind of measuring true volume system that is in gapped material under the Set Status, comprise the gas cylinder 2 that connects by in turn, gas input end 3, overvoltage protection valve 4, the gas importation I that input control damper 5 is formed, by the input air flow switch valve 6 that connects in turn, testing sample pond 7, filter screen 8, standard volume cut-in valve 9, what standard volume chamber 10 and exhaust switch valve 12 were formed brings into, the sealing measure portion II of exhaust switch valve, discharge portion III by exhaust airstream operation valve 13 and exhaust port 14 are formed also is equipped with a pressure transducer 11 between standard volume cut-in valve 9 and exhaust switch valve 12;
The input control damper 5 of gas importation I is connected with the input air flow switch valve 6 of the measuring system II of sealing, is used to control the gas input to the measuring system II of sealing;
The exhaust airstream operation valve 13 of discharge portion III is connected with the exhaust switch valve 12 of measuring system II of sealing, is used to control the gaseous emission of the measuring system of sealing;
Testing sample pond 7 is used to place metal to be measured or compound powder sample; The filter screen 8 that is connected with testing sample pond 7 is used for stoping measuring process metal or compound powder to disperse to leave testing sample pond 7;
In the present embodiment, standard volume chamber 10 is to adopt the cylinder that internal volume is a standard volume, and as a kind of conversion of this enforcement, standard volume chamber 10 also can be that the employing internal volume is other seal-off pressure containers of standard volume.
A kind of measuring true volume system that is in gapped material under the Set Status of present embodiment is applicable to that not only measured matter is metal or compound powder material, the inside that also can be used to measure other has under the material or its Set Status of the micropore that is connected with outside surface, the true volume of gapped material, in such cases, between testing sample pond 7 and standard volume cut-in valve 9, can be equipped with filter screen 8, also filter screen 8 can be installed.
Below, be example to measure metal or compound powder true volume, its measuring process is described:
Metal or compound powder sample are put into sample cell 7,, open exhaust switch valve 12 and standard volume cut-in valve 9 simultaneously, to the pressure of measuring system and the pressure P of surrounding environment with helium or nitrogen input whole measuring system
aConsistent;
Then, close bring into, the exhaust switch valve 12 and the standard volume cut-in valve 9 of the sealing measure portion of exhaust switch valve, and to bring into, the sealing measure portion blanketing gas measuring media of exhaust switch valve, until when bring into, the sealing measure portion pressure values of exhaust switch valve is higher than environmental stress 1.195kg/cm
2The time, measure bring into, the pressurization pressure P after the sealing measure portion pressurization of exhaust switch valve
2After, open the standard volume cut-in valve again, insert standard volume V
A, after stablizing, measurement is brought at this moment, the pressure values P of the sealing measure portion of exhaust switch valve
3, according to the P that measures
2, P
3, utilize the measuring true volume formula to calculate the volume of metal or compound powder sample, and then can obtain its density value.
Claims (6)
1. measuring true volume system that is in gapped material under the Set Status, it is characterized in that: this system comprises gas importation (I), bring into, the sealing measure portion (II) of exhaust switch valve and discharge portion (III), described bringing into, the sealing measure portion (II) of exhaust switch valve is by the input air flow switch valve (6) that links to each other in turn, testing sample pond (7), standard volume cut-in valve (9), standard volume chamber (10) and exhaust switch valve (12) are formed, and bring into, the input air flow switch valve (6) of the sealing measure portion (II) of exhaust switch valve is connected with gas importation (I), its exhaust switch valve (12) is connected with discharge portion (III); Bringing into, the gas pressure intensity measurement component be installed in the sealing measure portion (II) of exhaust switch valve.
2. a kind of measuring true volume system that is in gapped material under the Set Status as claimed in claim 1; it is characterized in that: described gas importation (I) comprises in turn gas cylinder (2), gas input end (3), overvoltage protection valve (4), the input control damper (5) that connects, the input control damper (5) of gas importation (I) with bring into, the input air flow switch valve (6) of the sealing measure portion (II) of exhaust switch valve is connected.
3. a kind of measuring true volume system that is in gapped material under the Set Status as claimed in claim 2, it is characterized in that: described discharge portion (III) comprises in turn exhaust airstream operation valve (13) and the exhaust port (14) that connects, the exhaust airstream operation valve (13) of discharge portion (III) with bring into, the exhaust switch valve (12) of the sealing measure portion (II) of exhaust switch valve is connected.
4. as claim 1,2 or 3 described a kind of measuring true volume systems that are in gapped material under the Set Status, it is characterized in that: describedly bring into, filter screen (8) be installed between the testing sample pond (7) of the sealing measure portion (II) of exhaust switch valve and the standard volume cut-in valve (9).
5. as claim 1,2 or 3 described a kind of measuring true volume systems that are in gapped material under the Set Status, it is characterized in that: described pressure measurement parts are pressure transducer (11) or electromanometer, it is installed in and brings into, in the sealing measure portion of exhaust switch valve (II) between input air flow switch valve (6) and the exhaust switch valve (12), the optional position except that standard volume cut-in valve (9) and standard volume chamber (10).
6. a kind of measuring true volume system that is in gapped material under the Set Status as claimed in claim 4, it is characterized in that: described pressure measurement parts are pressure transducer (11) or electromanometer, it is installed in and brings into, in the sealing measure portion of exhaust switch valve (II) between input air flow switch valve (6) and the exhaust switch valve (12), the optional position except that standard volume cut-in valve (9) and standard volume chamber (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201043803U CN201221939Y (en) | 2008-07-11 | 2008-07-11 | True volume measuring system with clearance material under aggregation state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201043803U CN201221939Y (en) | 2008-07-11 | 2008-07-11 | True volume measuring system with clearance material under aggregation state |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201221939Y true CN201221939Y (en) | 2009-04-15 |
Family
ID=40575445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201043803U Expired - Lifetime CN201221939Y (en) | 2008-07-11 | 2008-07-11 | True volume measuring system with clearance material under aggregation state |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201221939Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101625234B (en) * | 2008-07-11 | 2011-07-27 | 柳州市圣诺科技有限公司 | System and method for measuring true volume of gathered-state substances with gaps |
-
2008
- 2008-07-11 CN CNU2008201043803U patent/CN201221939Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101625234B (en) * | 2008-07-11 | 2011-07-27 | 柳州市圣诺科技有限公司 | System and method for measuring true volume of gathered-state substances with gaps |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: LIUZHOU CITY SCHENNOR TECHNOLOGY CO., LTD. Free format text: FORMER NAME: LIUZHOU CITY SCHENNOR CHEMICAL CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 545006, the Guangxi Zhuang Autonomous Region, Liuzhou hi tech Road, 10 new high management committee Patentee after: Liuzhou Schennor Technology Co., Ltd. Address before: 545006, the Guangxi Zhuang Autonomous Region, Liuzhou hi tech Road, 10 new high management committee Patentee before: Liuzhou Schennor Chemical Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20090415 Effective date of abandoning: 20080711 |