CN202853796U - Novel thermocouple calibration system - Google Patents
Novel thermocouple calibration system Download PDFInfo
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- CN202853796U CN202853796U CN 201220534083 CN201220534083U CN202853796U CN 202853796 U CN202853796 U CN 202853796U CN 201220534083 CN201220534083 CN 201220534083 CN 201220534083 U CN201220534083 U CN 201220534083U CN 202853796 U CN202853796 U CN 202853796U
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Abstract
The utility model discloses a novel thermocouple calibration calibration system. The novel thermocouple calibration system comprises a calibration furnace, a standard thermocouple, reference end thermostats, a multi-point conversion device, a data display acquisition system and a computer carrying out data processing, wherein work areas at two ends of the calibration furnace are symmetrically provided with a reference end connector of a detected thermocouple and the standard thermocouple respectively, the reference end connector of the detected thermocouple and a reference end of the standard thermocouple are respectively connected with the reference end thermostat at each end, the two reference end thermostats are respectively connected with the multi-point conversion device, and an output signal of the multi-point conversion device is transmitted to the computer after processing carried out by the data display acquisition system. The novel thermocouple calibration system is advantaged in that twice detected thermocouples can be mounted to a calibration standard system in the prior art through addition of the data display acquisition system and improvement of the work areas of the calibration furnace; work efficiency is doubled; investment cost is small, so the novel thermocouple calibration system is equivalent to two independent thermocouple calibration systems in the prior art regarding to work efficiency.
Description
Technical field
The utility model relates to measurement verification collimation technique field, particularly a kind of New-type thermocouple assay calibration system.
Background technology
In measurement verification calibration field, work is with noble-metal thermocouple and the work assay calibration system with the cheap metal thermopair, generally is made of assay furnace, standard idol, reference edge thermostat, multiple spot conversion equipment and the computing machine that carries out the data processing.The general length that adopts of described assay furnace is 600mm or 300mm, the heating tube internal diameter is about 40mm, and the about 60mm(of uniform temperature field length is for the situation of cheap metal industrial thermocouple), 40mm(is for the situation of short S type industrial thermocouple) or 20mm(for the situation of B, S type industrial thermocouple) the horizontal pipe assay furnace.Assay furnace is that the temperature source of assay calibration thermopair provides equipment, tested thermopair and standard couple are installed measuring junction by the mode of tying up of regulation and are positioned over the assay furnace highest temperature district center during work, according to the existing measurement verification regulations of country: the regulation of " JJG351-96 work cheap metal thermopair " and " JJG141-2000 works and uses noble-metal thermocouple " etc., each separate unit assay furnace cheap metal thermocouple calibration calibration is no more than 6, and the noble-metal thermocouple assay calibration is no more than 4.The assay calibration of most domestic industrial thermocouple all adopts the method.
The utility model content
Goal of the invention of the present utility model is: a kind of New-type thermocouple assay calibration system is provided, is subject to the problem of strict restriction to solve each detection thermopair quantity.
The technical solution adopted in the utility model is such: a kind of New-type thermocouple assay calibration system, comprise assay furnace, the standard idol, the reference edge thermostat, the multiple spot conversion equipment, data show acquisition system and carry out the computing machine that data are processed, tested even reference edge joint and standard idol is set in the described assay furnace one end workspace, tested even reference edge joint and the reference edge of standard idol are connected to the reference edge thermostat, be symmetrically arranged with tested even reference edge joint and standard idol in the described assay furnace other end workspace, tested even reference edge joint and the reference edge of standard idol are connected to another reference edge thermostat, described two reference edge thermostats are connected respectively to the multiple spot conversion equipment, and the output signal of described multiple spot conversion equipment shows that through data acquisition system is transferred to computing machine after processing.
As preferably, the multi-point signal switching device shifter that described multiple spot conversion equipment is programme controlled low contact electricity.
In sum, owing to adopted technique scheme, the beneficial effects of the utility model are: by after increasing that data show acquisition system and the assay furnace workspace being improved, just can fill one times tested thermopair than existing assay calibration system more, work efficiency is improved one glass, cost of investment is little, but is equivalent to increase by one and overlaps independently thermocouple calibration calibration system.
Description of drawings
Fig. 1 is theory diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
Embodiment: as shown in Figure 1, a kind of New-type thermocouple assay calibration system, comprise assay furnace, the standard idol, the reference edge thermostat, the multiple spot conversion equipment, data show acquisition system and carry out the computing machine that data are processed, tested even reference edge joint and standard idol is set in the described assay furnace one end workspace, tested even reference edge joint and the reference edge of standard idol are connected to the reference edge thermostat, be symmetrically arranged with tested even reference edge joint and standard idol in the described assay furnace other end workspace, tested even reference edge joint and the reference edge of standard idol are connected to another reference edge thermostat, described two reference edge thermostats are connected respectively to the multiple spot conversion equipment, and the output signal of described multiple spot conversion equipment shows that through data acquisition system is transferred to computing machine after processing.
In the present embodiment, described multiple spot conversion equipment adopts the multi-point signal switching device shifter of programme controlled low contact electricity.
During use, symmetrically in the workspace of the left and right sides of assay furnace place tested idol and standard on a rare occasion rises.Tested even reference edge links to each other with tested even reference edge joint.
The utility model has increased data and has shown acquisition system on the basis of existing thermocouple calibration calibration system, utilized data processing software to realize that synchronous acquisition calculates, so just can take full advantage of the workspace of assay furnace, can lay tested thermopair at the assay furnace two ends, thereby the quantity of tested thermopair is doubled, be equivalent to original two thermocouple calibration calibration systems.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (2)
1. New-type thermocouple assay calibration system, comprise assay furnace, the standard idol, the reference edge thermostat, multiple spot conversion equipment and the computing machine that carries out the data processing, tested even reference edge joint and standard idol is set in the described assay furnace one end workspace, tested even reference edge joint and the reference edge of standard idol are connected to the reference edge thermostat, it is characterized in that: comprise that also data show acquisition system, be symmetrically arranged with tested even reference edge joint and standard idol in the described assay furnace other end workspace, tested even reference edge joint and the reference edge of standard idol are connected to another reference edge thermostat, described two reference edge thermostats are connected respectively to the multiple spot conversion equipment, and the output signal of described multiple spot conversion equipment shows that through data acquisition system is transferred to computing machine after processing.
2. a kind of New-type thermocouple assay calibration according to claim 1 system is characterized in that: the multi-point signal switching device shifter that described multiple spot conversion equipment is programme controlled low contact electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220534083 CN202853796U (en) | 2012-10-18 | 2012-10-18 | Novel thermocouple calibration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220534083 CN202853796U (en) | 2012-10-18 | 2012-10-18 | Novel thermocouple calibration system |
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| CN202853796U true CN202853796U (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220534083 Expired - Fee Related CN202853796U (en) | 2012-10-18 | 2012-10-18 | Novel thermocouple calibration system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103575426A (en) * | 2013-11-09 | 2014-02-12 | 奇瑞汽车股份有限公司 | Calibration method of water temperature sensor |
| CN103940533A (en) * | 2014-02-14 | 2014-07-23 | 湖北汽车工业学院 | Measurement and control method for engine coolant temperature sensor, and measurement and control system thereof |
| CN104458061A (en) * | 2014-12-25 | 2015-03-25 | 上海冉曦电子仪器有限公司 | Combined thermocouple calibration furnace |
| CN104748890A (en) * | 2015-03-24 | 2015-07-01 | 上海理工大学 | Thermocouple detecting device |
| CN106768484A (en) * | 2016-11-25 | 2017-05-31 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of pyrometer couple calibrating installation |
| CN107764436A (en) * | 2017-11-03 | 2018-03-06 | 中国航空工业集团公司北京长城计量测试技术研究所 | A kind of calibrating installation of Wolfram rhenium heat electric couple |
| CN109489864A (en) * | 2018-11-28 | 2019-03-19 | 贵州安吉航空精密铸造有限责任公司 | A kind of device for the calibration of cheap metal thermocouple calibration |
| CN113358244A (en) * | 2021-07-27 | 2021-09-07 | 广东韶钢松山股份有限公司 | Thermocouple calibration device and method |
-
2012
- 2012-10-18 CN CN 201220534083 patent/CN202853796U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103575426A (en) * | 2013-11-09 | 2014-02-12 | 奇瑞汽车股份有限公司 | Calibration method of water temperature sensor |
| CN103940533A (en) * | 2014-02-14 | 2014-07-23 | 湖北汽车工业学院 | Measurement and control method for engine coolant temperature sensor, and measurement and control system thereof |
| CN104458061A (en) * | 2014-12-25 | 2015-03-25 | 上海冉曦电子仪器有限公司 | Combined thermocouple calibration furnace |
| CN104748890A (en) * | 2015-03-24 | 2015-07-01 | 上海理工大学 | Thermocouple detecting device |
| CN106768484A (en) * | 2016-11-25 | 2017-05-31 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of pyrometer couple calibrating installation |
| CN107764436A (en) * | 2017-11-03 | 2018-03-06 | 中国航空工业集团公司北京长城计量测试技术研究所 | A kind of calibrating installation of Wolfram rhenium heat electric couple |
| CN109489864A (en) * | 2018-11-28 | 2019-03-19 | 贵州安吉航空精密铸造有限责任公司 | A kind of device for the calibration of cheap metal thermocouple calibration |
| CN113358244A (en) * | 2021-07-27 | 2021-09-07 | 广东韶钢松山股份有限公司 | Thermocouple calibration device and method |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20130403 Termination date: 20151018 |
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| EXPY | Termination of patent right or utility model |