CN205333099U - Online automatic calibration temperature and humidity transmitter's calbiration system - Google Patents
Online automatic calibration temperature and humidity transmitter's calbiration system Download PDFInfo
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- CN205333099U CN205333099U CN201521134833.3U CN201521134833U CN205333099U CN 205333099 U CN205333099 U CN 205333099U CN 201521134833 U CN201521134833 U CN 201521134833U CN 205333099 U CN205333099 U CN 205333099U
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- computer system
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- dew point
- humidity generator
- point hygrometer
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Abstract
The utility model discloses an online automatic calibration temperature and humidity transmitter's calbiration system, include: dew point hygrometer and humidity generator are connected, the humidity generator surveys temperature transmitter with the quilt and the humidity changer is connected respectively, temperature transmitter passes through serial server and is connected with computer system, the humidity generator is connected with AD conversion module and computer system, dew point hygrometer and humidity generator are connected with computer system respectively, power supply unit and humidity generator, dew point hygrometer, AD conversion module, serial server and computer system are connected respectively for provide power supply. The utility model discloses beneficial effect: simplified operation saves time, reduce cost to can carry out the automatic calibration to temperature and humidity transmitter, ensure that the instrument is accurate reliable, for workshop environment atmospheric control provides the powerful guarantee, economic effects is obvious.
Description
Technical field
This utility model relates to humiture transducer collimation technique field, particularly to cigarette industry production environment Temperature and Humidity Control precision, for realizing the calibration system of humiture transducer on-line proving。
Background technology
Workshop condition Temperature and Humidity Control is required that standard is significantly high by the process of manufacture of cigar mill, workshop moisture temperature not only affects cigarette producing process quality, and affect airconditioning control precision and energy resource consumption, humiture transducer is the measurement instrument of monitoring workshop temperature, humidity, so ensureing the important process becoming tobacco business accurately and reliably of humiture transducer metering。
Existing calibrating installation is made up of standard (humidity generator, dew point hygrometer) and tested table。A constant temperature and humidity field is produced by humidity generator, as temperature, humidity in standard set-up detection humidity generator and compared with the temperature of initial survey table (humiture transducer), humidity by dew point hygrometer, check that transmitter epidemic disaster is whether within the range of error of regulation。There is following problem in this method:
1. during calibration humiture transducer, wiring is complicated, and dismounting efficiency is low；
2. humiture transducer is owing to being arranged in humidity generator, is not easy to manual read and fetches data；
3. can not realize the on-line proving of difference overtemperature humidity transmitter；
4. all calibration data and Calibration Report record manually, calibration efficiency is low；
5. can not realize the statistical analysis of all previous calibration data of humiture transducer。
Simultaneously because the humiture transducer of control workshop condition is nervous due to production task, it is difficult to there is the big off-time, brings great difficulty to dismounting and censorship。
So, replace traditional calibrating to add maintenance mode in the urgent need to a kind of calibration system dismantling fast, realizing automatic Calibration, it is ensured that the accuracy of workshop condition humiture transducer。
Utility model content
The purpose of this utility model be contemplated to solve the problems referred to above, it is proposed that a kind of realize quick for installation, calibration data gathers automatically, the humiture transducer of process monitoring, automatic Calibration calibration system, meet humiture automatic calibration function。
To achieve these goals, this utility model adopts the following technical scheme that
A kind of calibration system of on-line automatic demarcation humiture transducer, including: electric supply installation, humidity generator, dew point hygrometer, A/D modular converter, serial server and computer system；
Described dew point hygrometer and humidity generator connect, described humidity generator is connected respectively with dut temperature transmitter and humidity transmitter, described temperature transmitter is connected with computer system by serial server, and described humidity generator is connected with computer system with A/D modular converter；Described dew point hygrometer and humidity generator are connected with computer system respectively；
Described electric supply installation is connected respectively with humidity generator, dew point hygrometer, A/D modular converter, serial server and computer system, is used for providing power supply。
Between described temperature transmitter and serial server, it is connected each through aviation head interface between serial server with computer system。
Described dew point hygrometer and humidity generator are connected with computer system respectively through aviation head interface。
Described A/D modular converter is connected with computer system after turning USB interface by RS485 interface。
The beneficial effects of the utility model are:
Can realize conveniently dismantling mode；Realize tested equipment (humiture transducer), the facility information of standard (dew point hygrometer, normal thermometer etc.) and automatically gathering and monitoring in real time of detection data；
Once can realize 24 pieces of instrument batch calibrations；Automatically save calibration data and input Calibration Report。
Simplify operation, save the time, reduce cost, and humiture transducer can be carried out automatic Calibration, it is ensured that instrument accurately and reliably, provides powerful guarantee for workshop condition Temperature and Humidity Control, and economic effect is obvious。
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model。
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, this utility model is described further:
Refer to shown in Fig. 1, this utility model automatic Calibration humiture transducer calibration system is the system for the carrying out calibration automatically to humiture transducer, including: electric supply installation, humidity generator, dew point hygrometer, aviation head instrumentation tap, A/D modular converter, serial server and computer system。
Dew point hygrometer and humidity generator connect, and humidity generator is connected respectively with dut temperature transmitter and humidity transmitter, and temperature transmitter is connected with computer system by serial server, and humidity generator is connected with computer system with A/D modular converter；Dew point hygrometer and humidity generator are connected with computer system respectively；
Electric supply installation is connected respectively with humidity generator, dew point hygrometer, A/D modular converter, serial server and computer system, is used for providing power supply。Between temperature transmitter and serial server, it is connected each through aviation head interface between serial server with computer system。Dew point hygrometer and humidity generator are connected with computer system respectively through aviation head interface。A/D modular converter is connected with computer system after turning USB interface by RS485 interface。
Power supply 380V/220V/24V power supply needed for electric supply installation offer system。Humidity generator provides required constant temperature and humidity standard environment。Dew point hygrometer is standard, as normal data source。
Utilize the feature of serial server Multi-serial port, and by the RJ45 communication realized with computer terminal, data are transferred directly to computer system。Once can realize 24 equipment to calibrate simultaneously, the carrying out of calibration record stored and according to recording data genaration and storing Calibration Report, simplifies operation, reducing the calibration time, saved a large amount of manpower。
Utilize A/D modular converter that humiture transducer analogue signal is converted to the digital signal of 485, and realize the communication with PC end by 485 turns of USB, data are transferred directly to computer system。
Utilize the communication interface of dew point hygrometer and humidity generator, by hub, the data of dew point hygrometer and humidity generator are directly gathered to computer system, it is achieved the monitor in real time to data。
By computer system, with temperature generator for environment, with dew point hygrometer for benchmark, it is possible to realize the temperature of humiture transducer, humidity are carried out automatic Calibration；Avoid problems depot repair, save time and cost。
Aviation head instrumentation tap is for realizing the connection between each instrument or device, the traditional wired mode of humiture transducer is transformed into plug-in aviation head, pluggable mode is changed into by the original mode of connection, the setting up time of every instrument was shortened to present second level by tens minutes, improve the dismounting efficiency of humiture transducer。
A/D modular converter and serial server realize the data of 4-20mA and serial ports two class interface initial survey table and change and realize and the communication of computing system。
Computer system adopts the existing computer with CPU processor, data acquisition, storage and computing function to realize, it is not necessary to additionally configure。
Detailed description of the invention of the present utility model is described in conjunction with accompanying drawing although above-mentioned; but the not restriction to this utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art need not pay various amendments or deformation that creative work can make still within protection domain of the present utility model。
Claims (4)
1. a calibration system for on-line automatic demarcation humiture transducer, is characterized in that, including: electric supply installation, humidity generator, dew point hygrometer, A/D modular converter, serial server and computer system；
Described dew point hygrometer and humidity generator connect, described humidity generator is connected respectively with dut temperature transmitter and humidity transmitter, described temperature transmitter is connected with computer system by serial server, and described humidity generator is connected with computer system with A/D modular converter；Described dew point hygrometer and humidity generator are connected with computer system respectively；
Described electric supply installation is connected respectively with humidity generator, dew point hygrometer, A/D modular converter, serial server and computer system, is used for providing power supply。
2. the calibration system of a kind of on-line automatic demarcation humiture transducer as claimed in claim 1, is characterized in that, between described temperature transmitter and serial server, be connected each through aviation head interface between serial server with computer system。
3. the calibration system of a kind of on-line automatic demarcation humiture transducer as claimed in claim 1, is characterized in that, described dew point hygrometer and humidity generator are connected with computer system respectively through aviation head interface。
4. the calibration system of a kind of on-line automatic demarcation humiture transducer as claimed in claim 1, is characterized in that, described A/D modular converter is connected with computer system after turning USB interface by RS485 interface。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521134833.3U CN205333099U (en) | 2015-12-30 | 2015-12-30 | Online automatic calibration temperature and humidity transmitter's calbiration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521134833.3U CN205333099U (en) | 2015-12-30 | 2015-12-30 | Online automatic calibration temperature and humidity transmitter's calbiration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205333099U true CN205333099U (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521134833.3U Active CN205333099U (en) | 2015-12-30 | 2015-12-30 | Online automatic calibration temperature and humidity transmitter's calbiration system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679709A (en) * | 2017-01-03 | 2017-05-17 | 深圳市蜂联科技有限公司 | Air box thermal starting temperature measurement calibration method based on original data and timer |
| CN109813360A (en) * | 2019-01-31 | 2019-05-28 | 中国人民解放军92493部队计量测试研究所 | A kind of environmental parameter temperature and humidity on-line calibration device |
| CN110361042A (en) * | 2019-07-25 | 2019-10-22 | 深圳中物兴华科技发展有限公司 | A kind of humiture monitoring device automatic gauge calibration method and system |
| CN110542450A (en) * | 2018-05-29 | 2019-12-06 | 精楷电子科技（上海）有限公司 | Automatic calibration system and method for temperature and humidity instrument |
| CN110542449A (en) * | 2018-05-29 | 2019-12-06 | 精楷电子科技（上海）有限公司 | calibration system and calibration method of novel temperature and humidity sensor |
| CN111855743A (en) * | 2020-08-03 | 2020-10-30 | 中国计量科学研究院 | Dew point instrument automatic verification system and method |
-
2015
- 2015-12-30 CN CN201521134833.3U patent/CN205333099U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679709A (en) * | 2017-01-03 | 2017-05-17 | 深圳市蜂联科技有限公司 | Air box thermal starting temperature measurement calibration method based on original data and timer |
| CN106679709B (en) * | 2017-01-03 | 2019-02-01 | 深圳市蜂联科技有限公司 | Air box thermal starting temperature correction method based on initial data and timer |
| CN110542450A (en) * | 2018-05-29 | 2019-12-06 | 精楷电子科技（上海）有限公司 | Automatic calibration system and method for temperature and humidity instrument |
| CN110542449A (en) * | 2018-05-29 | 2019-12-06 | 精楷电子科技（上海）有限公司 | calibration system and calibration method of novel temperature and humidity sensor |
| CN109813360A (en) * | 2019-01-31 | 2019-05-28 | 中国人民解放军92493部队计量测试研究所 | A kind of environmental parameter temperature and humidity on-line calibration device |
| CN110361042A (en) * | 2019-07-25 | 2019-10-22 | 深圳中物兴华科技发展有限公司 | A kind of humiture monitoring device automatic gauge calibration method and system |
| CN111855743A (en) * | 2020-08-03 | 2020-10-30 | 中国计量科学研究院 | Dew point instrument automatic verification system and method |
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