CN107478905A - A kind of conductivity measurement - Google Patents
A kind of conductivity measurement Download PDFInfo
- Publication number
- CN107478905A CN107478905A CN201710656942.9A CN201710656942A CN107478905A CN 107478905 A CN107478905 A CN 107478905A CN 201710656942 A CN201710656942 A CN 201710656942A CN 107478905 A CN107478905 A CN 107478905A
- Authority
- CN
- China
- Prior art keywords
- conductivity
- heating furnace
- furnace body
- conductivity measurement
- test platform
- 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.)
- Pending
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
- G05D23/22—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element being a thermocouple
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/30—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention provides a kind of conductivity measurement, belong to the technical field of processing equipment such as powder metallurgy, refractory material, ceramics, building materials, including a control cabinet, control cabinet is provided with a heating furnace body and a liquid nitrogen container, is provided with a condensation cycle pipe in heating furnace body, condensation cycle pipe is connected with liquid nitrogen container, heating furnace body is provided with test platform, a lowering or hoisting gear is additionally provided with control cabinet, lowering or hoisting gear is provided with an electric conductivity test device, and electric conductivity test device is located at the top of lower test platform.Conductivity measurement of the present invention, using the teaching of the invention it is possible to provide the measurement of the electrical conductivity at a temperature of 200 DEG C~900 DEG C, and temperature control error is less than 1 DEG C, additionally it is possible to the electrical conductivity of sample under different atmosphere, vacuum state is measured, using upper more convenient, fast.
Description
Technical field
The present invention relates to the technical field of processing equipment such as powder metallurgy, refractory material, ceramics, building materials, are specifically a kind of electricity
Conductance tester.
Background technology
One of the key property of electrical conductivity as material, and with its Cleaning Principle is simple, detection means cost is low and by
It is widely used in material classification technology, material analysis techniques, environmental protection technology and industrial production control technology.
At present, the temperature range that existing conductivity measurement can provide is smaller, it is impossible to meet the needs of experiment, because
This brings significant limitation to some scientific research and testing, and error range is bigger.The invention provides a kind of electrical conductivity
Tester, using the teaching of the invention it is possible to provide the measurement of the electrical conductivity at a temperature of -200 DEG C~900 DEG C, and temperature control error is less than 1 DEG C, also
The electrical conductivity of sample under different atmosphere, vacuum state can be measured, using upper more convenient, fast.
The content of the invention
In view of this, the present invention is intended to provide a kind of conductivity measurement, using the teaching of the invention it is possible to provide -200 DEG C~900 DEG C of temperature
Under electrical conductivity measurement, and temperature control error be less than 1 DEG C, additionally it is possible to measure sample under different atmosphere, vacuum state
Electrical conductivity, using upper more convenient, fast.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：A kind of conductivity measurement, including a control
Case processed, the control cabinet is provided with a heating furnace body and a liquid nitrogen container, a condensation cycle pipe is provided with the heating furnace body, described
Condensation cycle pipe is connected with liquid nitrogen container, and the heating furnace body is provided with test platform, and one liter is additionally provided with the control cabinet
Falling unit, the lowering or hoisting gear are provided with an electric conductivity test device, and the electric conductivity test device is located at lower test platform
Top.
Further, the electric conductivity test device includes test platform on one, and the upper test platform is provided with an electricity
Conductance test splice, a thermocouple and a vacuum pipe.
Further, the thermocouple is L-type structure, and the bottom of the thermocouple is temperature measuring point.
Further, the electrical conductivity test splice is provided with four upper plugs and four lower plugs.
Further, the thermocouple and vacuum pipe are provided with three thermal insulating discs, and three thermal insulating discs be arranged in parallel.
Further, the lowering or hoisting gear includes a support, and vertically a guide rod, the upper test are provided with the support
Platform is driven and is slidably connected on guide rod by motor.
Further, the liquid nitrogen container is connected with condensation cycle pipe by pipeline, and the pipeline is provided with valve.
Further, a sealing ring is provided between the lower test platform and heating furnace body, the outside of the sealing ring is set
There is a water jacket.
Relative to prior art, the present invention has the advantage that：
Conductivity measurement of the present invention, using the teaching of the invention it is possible to provide the measurement of the electrical conductivity at a temperature of -200 DEG C~900 DEG C, and temperature
Degree control error is less than 1 DEG C, additionally it is possible to the electrical conductivity of sample under different atmosphere, vacuum state is measured, using upper more convenient, fast
It is prompt.
Brief description of the drawings
The accompanying drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation that measured object is located at outside heating furnace body.
Fig. 2 is the structural representation that measured object is located inside heating furnace body.
Fig. 3 is the structural representation of the electrical conductivity test splice of the present invention.
In figure：1st, control cabinet；2nd, heating furnace body；3rd, liquid nitrogen container；4th, condensation cycle pipe；5th, pipeline；6th, valve；7th, lower test
Platform；8th, sealing ring；9th, support；10th, guide rod；11st, upper test platform；12nd, electrical conductivity test splice；13rd, thermocouple；14、
Vacuum pipe；15th, upper plug；16th, lower plug；17th, thermal insulating disc；18th, water jacket；19th, temperature measuring point.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the present invention.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that instruction or hint phase
To importance or the implicit quantity for indicating indicated technical characteristic.Thus, the feature for defining " first ", " second " etc. can
To express or implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
A kind of conductivity measurement, including a control cabinet 1, control cabinet 1 are provided with a heating furnace body 2 and a liquid nitrogen container 3, added
A condensation cycle pipe 4 is provided with hot stove body 2, condensation cycle pipe 4 is connected with liquid nitrogen container 3, and liquid nitrogen container 3 passes through with condensation cycle pipe 4
Pipeline 5 connects, and pipeline 5 is provided with valve 6, and heating furnace body 2 is provided with test platform 7, lower test platform 7 and heating furnace body
A sealing ring 8 is provided between 2, the outside of sealing ring 8 is provided with a water jacket 18, and a lowering or hoisting gear, lifting dress are additionally provided with control cabinet 1
Put including a support 9, be vertically provided with a guide rod 10 on support 9, lowering or hoisting gear is provided with an electric conductivity test device, electrical conductivity
Test device is located at the top of lower test platform 7, and electric conductivity test device includes test platform 11 on one, upper test platform 11 by
Motor 20 drives and is slidably connected on guide rod 10, and upper test platform 11 is provided with an electrical conductivity test splice 12, a thermoelectricity
Even 13 and a vacuum pipe 14, thermocouple 13 is L-type structure, and the bottom of thermocouple 13 is temperature measuring point 19, electrical conductivity test splice
12 are provided with four upper plugs 15 and four lower plugs 16, and thermocouple 13 and vacuum pipe 14 are provided with three thermal insulating discs 17, and three
Individual thermal insulating disc 17 be arranged in parallel.
The course of work of the present embodiment：As shown in Figure 1,3, in use, testee is connected into four lower plugs 16, juxtaposition
In the position of temperature measuring point 19, four upper plugs 15 are connected into external computer equipment；As shown in Fig. 2 during detection, in the driving of motor 20
Thermocouple 13 and vacuum pipe 14 on test platform 11 are stretched into condensation cycle pipe 4, upper test platform 11 and lower test platform 7
Contact, if necessary to measuring under vacuum, then with vavuum pump by vacuum pipe 5 to being vacuumized in heating furnace body 2, this hair
It is bright testee to be freezed by the liquid nitrogen in liquid nitrogen container 3, testee can be added by heating furnace body 2
Heat, -200 DEG C~900 DEG C of measurement temperature can be so provided to testee, control cabinet 1 is less than 1 DEG C to temperature control error,
After measurement finishes, store the data in computer equipment, the He of thermocouple 13 on the last upper test platform 11 of the driving of motor 20
Away from condensation cycle pipe 4, measurement finishes vacuum pipe 14.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (8)
- A kind of 1. conductivity measurement, it is characterised in that：Including a control cabinet, the control cabinet is provided with a heating furnace body and one Liquid nitrogen container, the heating furnace body is interior to be provided with a condensation cycle pipe, and the condensation cycle pipe is connected with liquid nitrogen container, the heating furnace body Test platform is provided with, a lowering or hoisting gear is additionally provided with the control cabinet, the lowering or hoisting gear is surveyed provided with an electrical conductivity Trial assembly is put, and the electric conductivity test device is located at the top of lower test platform.
- 2. conductivity measurement according to claim 1, it is characterised in that：The electric conductivity test device includes surveying on one Platform is tried, the upper test platform is provided with an electrical conductivity test splice, a thermocouple and a vacuum pipe.
- 3. conductivity measurement according to claim 2, it is characterised in that：The thermocouple is L-type structure, the thermoelectricity Even bottom is temperature measuring point.
- 4. conductivity measurement according to claim 2, it is characterised in that：The electrical conductivity test splice is provided with four Upper plug and four lower plugs.
- 5. conductivity measurement according to claim 2, it is characterised in that：The thermocouple and vacuum pipe are provided with three Individual thermal insulating disc, three thermal insulating discs be arranged in parallel.
- 6. conductivity measurement according to claim 2, it is characterised in that：The lowering or hoisting gear includes a support, described A guide rod vertically is provided with support, the upper test platform is driven and is slidably connected on guide rod by motor.
- 7. conductivity measurement according to claim 1, it is characterised in that：The liquid nitrogen container passes through pipe with condensation cycle pipe Road connects, and the pipeline is provided with valve.
- 8. conductivity measurement according to claim 1, it is characterised in that：Between the lower test platform and heating furnace body Provided with a sealing ring, the outside of the sealing ring is provided with a water jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710656942.9A CN107478905A (en) | 2017-08-03 | 2017-08-03 | A kind of conductivity measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710656942.9A CN107478905A (en) | 2017-08-03 | 2017-08-03 | A kind of conductivity measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107478905A true CN107478905A (en) | 2017-12-15 |
Family
ID=60598619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710656942.9A Pending CN107478905A (en) | 2017-08-03 | 2017-08-03 | A kind of conductivity measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107478905A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109283394A (en) * | 2018-10-23 | 2019-01-29 | 中山大学 | A kind of brightness conductivity and activation energy measuring system and method |
| CN109738701A (en) * | 2019-01-11 | 2019-05-10 | 华北电力大学 | A kind of conductivity measuring device and method |
Citations (11)
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|---|---|---|---|---|
| SU1420504A1 (en) * | 1986-07-29 | 1988-08-30 | Ростовский инженерно-строительный институт | Method of measuring ionic electric conductivity |
| CN1851485A (en) * | 2006-05-26 | 2006-10-25 | 中国科学院上海硅酸盐研究所 | High temperature resistivity measuring device and its measuring method |
| CN201903526U (en) * | 2010-12-13 | 2011-07-20 | 华东理工大学 | Conductivity and Seebeck coefficient test device for semiconductor film materials at low temperatures |
| CN202512173U (en) * | 2012-01-06 | 2012-10-31 | 北京科技大学 | Apparatus for measuring molten salt electrical conductivity by utilizing four-electrode method |
| CN203858219U (en) * | 2014-01-02 | 2014-10-01 | 上海大学 | Device for measuring seebeck coefficient and electrical resistivity of thermoelectric material |
| CN104133112A (en) * | 2014-07-14 | 2014-11-05 | 西安交通大学 | Vacuum high-temperature conductivity measuring device and vacuum high-temperature conductivity measuring method |
| CN204228823U (en) * | 2014-11-27 | 2015-03-25 | 中国铝业股份有限公司 | A kind of device measuring the conductivity degree of liquid phase medium |
| CN205720442U (en) * | 2016-06-29 | 2016-11-23 | 攀枝花学院 | Temp.-controlled type electric conductivity test device |
| CN106443197A (en) * | 2016-10-28 | 2017-02-22 | 蚌埠玻璃工业设计研究院 | Testing device for electrical conductivity of high-temperature molten glass |
| CN206114779U (en) * | 2016-10-28 | 2017-04-19 | 蚌埠玻璃工业设计研究院 | High temperature molten glass conductivity testing arrangement |
| CN207528820U (en) * | 2017-12-04 | 2018-06-22 | 苏州麦乐加电子科技有限公司 | A kind of metallic resistance rate test device of controllable lift temperature |
-
2017
- 2017-08-03 CN CN201710656942.9A patent/CN107478905A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1420504A1 (en) * | 1986-07-29 | 1988-08-30 | Ростовский инженерно-строительный институт | Method of measuring ionic electric conductivity |
| CN1851485A (en) * | 2006-05-26 | 2006-10-25 | 中国科学院上海硅酸盐研究所 | High temperature resistivity measuring device and its measuring method |
| CN201903526U (en) * | 2010-12-13 | 2011-07-20 | 华东理工大学 | Conductivity and Seebeck coefficient test device for semiconductor film materials at low temperatures |
| CN202512173U (en) * | 2012-01-06 | 2012-10-31 | 北京科技大学 | Apparatus for measuring molten salt electrical conductivity by utilizing four-electrode method |
| CN203858219U (en) * | 2014-01-02 | 2014-10-01 | 上海大学 | Device for measuring seebeck coefficient and electrical resistivity of thermoelectric material |
| CN104133112A (en) * | 2014-07-14 | 2014-11-05 | 西安交通大学 | Vacuum high-temperature conductivity measuring device and vacuum high-temperature conductivity measuring method |
| CN204228823U (en) * | 2014-11-27 | 2015-03-25 | 中国铝业股份有限公司 | A kind of device measuring the conductivity degree of liquid phase medium |
| CN205720442U (en) * | 2016-06-29 | 2016-11-23 | 攀枝花学院 | Temp.-controlled type electric conductivity test device |
| CN106443197A (en) * | 2016-10-28 | 2017-02-22 | 蚌埠玻璃工业设计研究院 | Testing device for electrical conductivity of high-temperature molten glass |
| CN206114779U (en) * | 2016-10-28 | 2017-04-19 | 蚌埠玻璃工业设计研究院 | High temperature molten glass conductivity testing arrangement |
| CN207528820U (en) * | 2017-12-04 | 2018-06-22 | 苏州麦乐加电子科技有限公司 | A kind of metallic resistance rate test device of controllable lift temperature |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109283394A (en) * | 2018-10-23 | 2019-01-29 | 中山大学 | A kind of brightness conductivity and activation energy measuring system and method |
| CN109738701A (en) * | 2019-01-11 | 2019-05-10 | 华北电力大学 | A kind of conductivity measuring device and method |
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Application publication date: 20171215 |