CN112230065A - Measuring instrument for measuring volume and surface resistivity of glass at different temperatures - Google Patents
Measuring instrument for measuring volume and surface resistivity of glass at different temperatures Download PDFInfo
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- CN112230065A CN112230065A CN202011122032.0A CN202011122032A CN112230065A CN 112230065 A CN112230065 A CN 112230065A CN 202011122032 A CN202011122032 A CN 202011122032A CN 112230065 A CN112230065 A CN 112230065A
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- glass
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- outer electrode
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- surface resistivity
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- 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
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Abstract
The invention discloses a measuring instrument for measuring volume and surface resistivity of glass at different temperatures, which comprises a measurement control box and a heating box, wherein the measurement control box is connected with the heating box; a horizontal heating plate is arranged in the heating box, and an electric heating wire is arranged on the bottom surface of the heating plate; an outer electrode and an inner electrode are concentrically and coaxially arranged on the top surface of the heating plate, the outer electrode is an annular cylinder, the inner electrode is a cylinder, and the inner electrode is positioned inside the outer electrode; the glass to be measured is positioned between the top surface of the heating plate and the outer electrode; the measurement control box is integrated with a volume resistivity determinator, a surface resistivity determinator and a temperature controller; the outer electrode and the inner electrode are respectively connected with corresponding interfaces of the volume resistivity determinator and the surface resistivity determinator through lead wires; the output interface of the temperature controller is connected with an electric heating wire; the measuring instrument can conveniently measure the volume resistivity and the surface resistivity of the glass at different temperatures without being reassembled at different temperatures.
Description
Technical Field
The invention relates to the technical field of glass substrate performance detection equipment, in particular to a measuring instrument for measuring volume and surface resistivity of glass at different temperatures.
Background
With the rapid development of the liquid crystal display device industry, the demand of the glass substrate as an indispensable basic component of the liquid crystal display device is increasing day by day, and the performance requirement is higher and higher, so that glass substrate manufacturing enterprises are required, and the yield is ensured in the glass production and the process requirement of customers is met. Therefore, the performance parameters of the glass substrate become more important, and the detection of the resistivity of the parameters is particularly influenced in the manufacturing of the liquid crystal substrate.
The volume resistivity and the surface resistivity of the glass substrate at normal temperature can only be detected in the conventional equipment, if the volume resistivity and the surface resistivity at high temperature need to be detected, the equipment needs to be disassembled and placed into a high-temperature furnace, then the equipment is reassembled, and the volume resistivity and the surface resistivity at high temperature are detected.
Disclosure of Invention
The invention aims to provide a measuring instrument for measuring the volume resistivity and the surface resistivity of glass at different temperatures, which can conveniently measure the volume resistivity and the surface resistivity of the glass at different temperatures without being reassembled at different temperatures.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a measuring instrument for measuring the volume and surface resistivity of glass at different temperatures comprises a measurement control box and a heating box;
a horizontal heating plate is arranged in the heating box, and an electric heating wire is arranged on the bottom surface of the heating plate; an outer electrode and an inner electrode are concentrically and coaxially arranged on the top surface of the heating plate, the outer electrode is an annular cylinder, the inner electrode is a cylinder, and the inner electrode is positioned inside the outer electrode; the glass to be measured is positioned between the top surface of the heating plate and the outer electrode;
the measurement control box is integrated with a volume resistivity determinator, a surface resistivity determinator and a temperature controller; the outer electrode and the inner electrode are respectively connected with corresponding interfaces of the volume resistivity determinator and the surface resistivity determinator through lead wires;
and the output interface of the temperature controller is connected with an electric heating wire.
Furthermore, the heating box is an interlayer box body with a box cover, a heat preservation heating wire is arranged in an interlayer of the interlayer box body, and the heat preservation heating wire is connected with an output interface of the temperature controller.
The invention has the advantages that the glass to be tested is placed in the heating box, the glass is heated to different temperatures through the electric heating wires, and the volume resistivity and the surface resistivity of the glass are measured through the integrated volume resistivity determinator and surface resistivity determinator, so that the measuring process is simple and accurate, the device does not need to be disassembled and assembled again, the heating and measuring functions are realized, the measurement of two parameters is completed simultaneously, the structure is simple, the operation is convenient, and the accuracy is high.
Drawings
The invention is further illustrated with reference to the following figures and examples:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a heating cabinet of the present invention;
FIG. 3 is a schematic view of an outer electrode and an inner electrode of the present invention;
fig. 4 is an electrical schematic block diagram of the present invention.
Detailed Description
Referring to fig. 1 to 4, the present invention provides a measuring instrument for measuring volume and surface resistivity of glass at different temperatures, which comprises a heating box 1 and a measurement control box 2;
a horizontal heating plate 3 is arranged in the heating box 1, and an electric heating wire 4 is arranged on the bottom surface of the heating plate 3; an outer electrode 5 and an inner electrode 6 are concentrically and coaxially arranged on the top surface of the heating plate, the outer electrode 5 is an annular cylinder, the inner electrode 6 is a cylinder, and the inner electrode is positioned inside the outer electrode; the glass 7 to be measured is horizontally placed between the top surface of the heating plate and the outer electrode.
A volume resistivity determinator 8, a surface resistivity determinator 9 and a temperature controller 10 are integrated in the measurement control box 2; the outer electrode 5 and the inner electrode 6 are respectively led out through a first lead 12 and a second lead 13, and then are respectively connected with corresponding interfaces of an accumulative resistivity tester 8 and a surface resistivity tester 9.
The heating box 1 is an interlayer box body with a box cover, a heat preservation heating wire 11 is arranged in an interlayer of the interlayer box body, and an output interface of the temperature controller 10 is respectively connected with the electric heating wire 4 and the heat preservation heating wire 11.
When the heating plate is used, the TFT-LCD glass substrate with the size slightly larger than the outer diameter of the external electrode is selected as glass to be measured, the glass to be measured is horizontally placed on the top surface of the heating plate 3, the external electrode and the internal electrode are placed on the top surface of the glass to be measured, and then the glass to be measured is connected with the volume resistivity measuring instrument 8 and the surface resistivity measuring instrument 9.
The heating temperature is set through an operation panel 13 embedded on the measurement control box, the electric heating wire 4 and the heat preservation heating wire 11 are controlled through the temperature controller 10, and the glass to be measured is heated, so that the glass to be measured is at the required measurement temperature.
Then, the volume resistivity and the surface resistivity of the glass to be measured are measured by a volume resistivity meter 8 and a surface resistivity meter 9. And then the temperature controller 10 adjusts the electric heating wire 4 and the heat preservation heating wire 11 to change the heating temperature of the glass to be measured, thereby measuring the volume resistivity and the surface resistivity of the glass at different temperatures.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; those skilled in the art can make numerous possible variations and modifications to the present teachings, or modify equivalent embodiments to equivalent variations, without departing from the scope of the present teachings, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent replacement, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention.
Claims (2)
1. A measuring instrument for measuring the volume and the surface resistivity of glass at different temperatures is characterized by comprising a measurement control box and a heating box; a horizontal heating plate is arranged in the heating box, and an electric heating wire is arranged on the bottom surface of the heating plate; an outer electrode and an inner electrode are concentrically and coaxially arranged on the top surface of the heating plate, the outer electrode is an annular cylinder, the inner electrode is a cylinder, and the inner electrode is positioned inside the outer electrode; the glass to be measured is positioned between the top surface of the heating plate and the outer electrode;
the measurement control box is integrated with a volume resistivity determinator, a surface resistivity determinator and a temperature controller; the outer electrode and the inner electrode are respectively connected with corresponding interfaces of the volume resistivity determinator and the surface resistivity determinator through lead wires;
and the output interface of the temperature controller is connected with an electric heating wire.
2. The measuring instrument for measuring the volume and the surface resistivity of the glass at different temperatures according to claim 1, wherein the heating box is an interlayer box body with a box cover, a heat preservation heating wire is arranged in an interlayer of the interlayer box body, and the heat preservation heating wire is connected with an output interface of the temperature controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011122032.0A CN112230065A (en) | 2020-10-20 | 2020-10-20 | Measuring instrument for measuring volume and surface resistivity of glass at different temperatures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011122032.0A CN112230065A (en) | 2020-10-20 | 2020-10-20 | Measuring instrument for measuring volume and surface resistivity of glass at different temperatures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112230065A true CN112230065A (en) | 2021-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011122032.0A Pending CN112230065A (en) | 2020-10-20 | 2020-10-20 | Measuring instrument for measuring volume and surface resistivity of glass at different temperatures |
Country Status (1)
| Country | Link |
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| CN (1) | CN112230065A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758973A (en) * | 2021-07-20 | 2021-12-07 | 安徽力天环保科技股份有限公司 | Testing method for DOTP volume resistivity |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539927A (en) * | 2011-12-14 | 2012-07-04 | 东华大学 | Method for measuring temperature-controllable four-probe square resistance and resistivity |
| CN202421343U (en) * | 2011-12-19 | 2012-09-05 | 昆明理工大学 | Device for measuring conductivity of metal and semiconductor solid |
| CN104777361A (en) * | 2015-03-12 | 2015-07-15 | 东南大学 | Soil resistivity measuring device capable of controlling temperature |
| CN205720442U (en) * | 2016-06-29 | 2016-11-23 | 攀枝花学院 | Temp.-controlled type electric conductivity test device |
| CN206161733U (en) * | 2016-11-08 | 2017-05-10 | 哈尔滨理工大学 | Monitoring insulating material conductivity temperature control device |
| CN206292306U (en) * | 2016-12-21 | 2017-06-30 | 黑龙江省计量检定测试院 | A kind of closed type temperature controlled solid dielectric resistivity test device |
| CN208052570U (en) * | 2018-03-07 | 2018-11-06 | 天津市川浩塑料制品有限公司 | A kind of plastic heating device |
| CN109557373A (en) * | 2018-12-30 | 2019-04-02 | 南瑞集团有限公司 | A kind of high temperature and pressure lower volume resistivity test system |
| CN209264821U (en) * | 2018-11-19 | 2019-08-16 | 国网湖南省电力有限公司 | A kind of Portable insulation material surface conductivity measuring apparatus |
-
2020
- 2020-10-20 CN CN202011122032.0A patent/CN112230065A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539927A (en) * | 2011-12-14 | 2012-07-04 | 东华大学 | Method for measuring temperature-controllable four-probe square resistance and resistivity |
| CN202421343U (en) * | 2011-12-19 | 2012-09-05 | 昆明理工大学 | Device for measuring conductivity of metal and semiconductor solid |
| CN104777361A (en) * | 2015-03-12 | 2015-07-15 | 东南大学 | Soil resistivity measuring device capable of controlling temperature |
| CN205720442U (en) * | 2016-06-29 | 2016-11-23 | 攀枝花学院 | Temp.-controlled type electric conductivity test device |
| CN206161733U (en) * | 2016-11-08 | 2017-05-10 | 哈尔滨理工大学 | Monitoring insulating material conductivity temperature control device |
| CN206292306U (en) * | 2016-12-21 | 2017-06-30 | 黑龙江省计量检定测试院 | A kind of closed type temperature controlled solid dielectric resistivity test device |
| CN208052570U (en) * | 2018-03-07 | 2018-11-06 | 天津市川浩塑料制品有限公司 | A kind of plastic heating device |
| CN209264821U (en) * | 2018-11-19 | 2019-08-16 | 国网湖南省电力有限公司 | A kind of Portable insulation material surface conductivity measuring apparatus |
| CN109557373A (en) * | 2018-12-30 | 2019-04-02 | 南瑞集团有限公司 | A kind of high temperature and pressure lower volume resistivity test system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758973A (en) * | 2021-07-20 | 2021-12-07 | 安徽力天环保科技股份有限公司 | Testing method for DOTP volume resistivity |
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Application publication date: 20210115 |