CN110542450A - Automatic calibration system and method for temperature and humidity instrument - Google Patents
Automatic calibration system and method for temperature and humidity instrument Download PDFInfo
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Abstract
本发明涉及一种温湿度仪表自动校验系统，包括温湿度发生器，温湿度发生器内设有若干待测温湿度仪表、露点仪，温湿度仪表通过精密电流或电压仪表与信号采集控制器通信连接，露点仪与信号采集控制器通信连接，温湿度发生器与信号采集控制器通信连接，信号采集控制器与自动校验控制系统通信连接，自动校验控制系统包括信号采集控制器控制模块、校验管理模块、校验信息数据库、用户界面。本发明还公开了一种温湿度仪表自动校验方法，包括参数设置、数据采集、数据处理、校验、校验输出等过程。本发明采用自动校验控制系统与信号采集控制器实现仪表自动校验，具有校验质量、效率高的特点。
The invention relates to an automatic calibration system for a temperature and humidity instrument, which includes a temperature and humidity generator. The temperature and humidity generator is equipped with a number of temperature and humidity meters and dew point meters to be measured. The temperature and humidity meter passes through a precision current or voltage meter and a signal acquisition controller. Communication connection, communication connection between dew point meter and signal acquisition controller, communication connection between temperature and humidity generator and signal acquisition controller, communication connection between signal acquisition controller and automatic calibration control system, automatic calibration control system includes signal acquisition controller control module , a verification management module, a verification information database, and a user interface. The invention also discloses an automatic calibration method for a temperature and humidity instrument, which includes processes such as parameter setting, data collection, data processing, calibration, and calibration output. The invention adopts the automatic calibration control system and the signal acquisition controller to realize the automatic calibration of the instrument, and has the characteristics of high calibration quality and high efficiency.
Description
技术领域technical field
本发明涉及一种温湿度仪表校验系统及方法，特别涉及一种温湿度仪表自动校验系统及方法，属于温湿度计量校验领域。The invention relates to a temperature and humidity instrument calibration system and method, in particular to an automatic temperature and humidity instrument calibration system and method, belonging to the field of temperature and humidity measurement calibration.
背景技术Background technique
目前业界的温湿度仪表计量校验装置普遍采用人工手动的方式操作。如附图1所示，手动温湿度计量校验装置主要由如下几个部分组成：温湿度发生器1、被测温湿度仪表2、高精度温湿度基准露点仪3、精密电流或电压仪表4、露点仪示值5以及人工比对校验6。上述校验装置的工作过程具体是⑴将被测温湿度仪表2、露点仪3置于温湿度发生器1中，并且尽量让被测温湿度仪表2和露点仪3靠近，这样温湿度参数的对比才是比较准确的；⑵将温湿度仪表的电流或电压输出信号接入到精密电流或电压仪表4进行温湿度输出信号测量，另外露点仪3的温湿度示值是通过露点仪示值5读取的；⑶设定温湿度发生器1的温湿度值，并等待一段时间直到系统稳定；⑷通过人工比对校验6读取被测温湿度仪表2和露点仪示值5，计算出被测温湿度仪表2的测量误差，实现温湿度仪表的计量校验。现有的温湿度仪表校验装置存在以下不足和缺陷：⑴采用人工比对校验的方法，费时费力，效率不高；⑵在数据记录过程中存在人为不可控因素，校验数据的可信度存在一定风险。At present, the measurement and verification devices for temperature and humidity meters in the industry are generally operated manually. As shown in Figure 1, the manual temperature and humidity measurement calibration device is mainly composed of the following parts: temperature and humidity generator 1, measured temperature and humidity instrument 2, high-precision temperature and humidity reference dew point instrument 3, precision current or voltage instrument 4 , dew point meter indication 5 and manual comparison and verification 6. The working process of the above calibration device is specifically (1) place the measured temperature and humidity meter 2 and the dew point meter 3 in the temperature and humidity generator 1, and try to make the measured temperature and humidity meter 2 and the dew point meter 3 close, so that the temperature and humidity parameters The comparison is more accurate; (2) connect the current or voltage output signal of the temperature and humidity instrument to the precision current or voltage instrument 4 to measure the temperature and humidity output signal, and the temperature and humidity indication value of the dew point instrument 3 is obtained through the dew point instrument indication value 5 read; (3) set the temperature and humidity value of the temperature and humidity generator 1, and wait for a period of time until the system is stable; (4) read the measured temperature and humidity meter 2 and the dew point meter indication value 5 through manual comparison and verification 6, and calculate The measurement error of the measured temperature and humidity instrument 2 is used to realize the measurement verification of the temperature and humidity instrument. The existing temperature and humidity instrument calibration devices have the following deficiencies and defects: (1) The method of manual comparison and calibration is time-consuming and laborious, and the efficiency is not high; (2) There are human uncontrollable factors in the data recording process, and the reliability of the calibration data There is a certain risk.
发明内容Contents of the invention
本发明温湿度仪表自动校验系统及方法公开了新的方案，采用自动校验控制系统与信号采集控制器实现仪表自动校验，解决了现有方案采用人工比对校验带来的校验质量、效率不高的问题。The automatic calibration system and method of the temperature and humidity instrument of the present invention discloses a new scheme, adopts the automatic calibration control system and the signal acquisition controller to realize the automatic calibration of the instrument, and solves the calibration caused by the manual comparison calibration of the existing scheme The problem of low quality and low efficiency.
本发明温湿度仪表自动校验系统包括温湿度发生器，温湿度发生器内设有若干待测温湿度仪表、露点仪，温湿度仪表通过精密电流或电压仪表与信号采集控制器通信连接，露点仪与信号采集控制器通信连接，温湿度发生器与信号采集控制器通信连接，信号采集控制器与自动校验控制系统通信连接，自动校验控制系统包括信号采集控制器控制模块、校验管理模块、校验信息数据库、用户界面，信号采集控制器控制模块用于控制信号采集控制器，校验管理模块用于根据采集信息分析生成校验信息，校验信息数据库用于存储校验信息，用户界面用于展示校验信息。The temperature and humidity meter automatic calibration system of the present invention includes a temperature and humidity generator, which is provided with a number of temperature and humidity meters and dew point meters to be measured. The temperature and humidity meters are connected to the signal acquisition controller through precision current or voltage meters. The instrument communicates with the signal acquisition controller, the temperature and humidity generator communicates with the signal acquisition controller, the signal acquisition controller communicates with the automatic calibration control system, and the automatic calibration control system includes a signal acquisition controller control module, calibration management Module, verification information database, user interface, signal acquisition controller control module is used to control the signal acquisition controller, verification management module is used to generate verification information according to the analysis of collected information, and the verification information database is used to store verification information, The user interface is used to display verification information.
进一步，本方案的信号采集控制器包括信号接口转换器、USB集线器、信号通道切换模块、信号接线端、电源模块，电源模块通过供电接线端与待测温湿度仪表供电连接，电源模块与USB集线器、信号通道切换模块供电连接，待测温湿度仪表、信号接线端、精密电流或电压仪表、信号接口转换器、USB集线器、自动校验控制系统依次通信连接形成待测仪表信号链，自动校验控制系统、USB集线器、信号通道切换模块、信号接线端、精密电流或电压仪表、待测温湿度仪表依次通信连接形成采集控制信号链，露点仪、信号接口转换器、USB集线器、自动校验控制系统依次通信连接形成基准信号链，自动校验控制系统、USB集线器、信号接口转换器、温湿度发生器依次通信连接形成环境控制信号链。Further, the signal acquisition controller of this solution includes a signal interface converter, a USB hub, a signal channel switching module, a signal terminal, and a power supply module. , Signal channel switching module power supply connection, temperature and humidity instrument to be tested, signal terminal, precision current or voltage instrument, signal interface converter, USB hub, automatic calibration control system are sequentially connected by communication to form a signal chain of the instrument to be tested, automatic calibration Control system, USB hub, signal channel switching module, signal terminal, precision current or voltage instrument, temperature and humidity instrument to be measured are connected in sequence to form an acquisition control signal chain, dew point meter, signal interface converter, USB hub, automatic calibration control The system is sequentially connected by communication to form a reference signal chain, and the automatic calibration control system, USB hub, signal interface converter, and temperature and humidity generator are sequentially connected by communication to form an environmental control signal chain.
进一步，本方案的自动校验控制系统还包括打印管理模块、文件导出管理模块，打印管理模块用于控制打印输出校验信息，文件导出管理模块用于将校验信息转换成设定格式的文件输出。Further, the automatic verification control system of this solution also includes a print management module and a file export management module, the print management module is used to control the printout of verification information, and the file export management module is used to convert the verification information into a file in a set format output.
本发明还公开了一种温湿度仪表自动校验方法，温湿度仪表自动校验方法基于温湿度仪表自动校验系统，温湿度仪表自动校验系统包括温湿度发生器，温湿度发生器内设有若干待测温湿度仪表、露点仪，温湿度仪表通过精密电流或电压仪表与信号采集控制器通信连接，露点仪与信号采集控制器通信连接，温湿度发生器与信号采集控制器通信连接，信号采集控制器与自动校验控制系统通信连接，自动校验控制系统包括信号采集控制器控制模块、校验管理模块、校验信息数据库、用户界面，包括过程：将待测温湿度仪表、露点仪靠近放入温湿度发生器中，将待测温湿度仪表的电流或电压输出信号接入精密电流或电压仪表中进行温湿度输出信号测量，用户通过自动校验控制系统的用户界面设定温湿度发生器的温湿度值、采集待测温湿度仪表数据的时间间隔，自动校验控制系统的信号采集控制器控制模块根据收到的控制信号控制信号采集控制器、温湿度发生器按照设定的参数工作。信号采集控制器将精密电流或电压表发送的测量温湿度值、露点仪发送的基准温湿度值通过USB端口发送给自动校验控制系统的校验管理模块，校验管理模块根据收到的基准温湿度值按照设定的算法判断温湿度发生器的温湿度环境是否稳定，校验管理模块根据环境稳定的判断结果将实时收到的测量温湿度值、基准温湿度值进行校验比对生成校验信息存入校验信息数据库，用户通过用户界面浏览校验信息。The invention also discloses an automatic calibration method for a temperature and humidity instrument. The automatic calibration method for a temperature and humidity instrument is based on an automatic calibration system for a temperature and humidity instrument. The automatic calibration system for a temperature and humidity instrument includes a temperature and humidity generator. There are several temperature and humidity meters and dew point meters to be tested. The temperature and humidity meters communicate with the signal acquisition controller through precision current or voltage meters, the dew point meters communicate with the signal acquisition controller, and the temperature and humidity generators communicate with the signal acquisition controller. The signal acquisition controller communicates with the automatic calibration control system. The automatic calibration control system includes a signal acquisition controller control module, a calibration management module, a calibration information database, and a user interface. The instrument is placed close to the temperature and humidity generator, and the current or voltage output signal of the temperature and humidity instrument to be tested is connected to the precision current or voltage instrument for temperature and humidity output signal measurement. The user sets the temperature and humidity through the user interface of the automatic calibration control system. The temperature and humidity value of the humidity generator, the time interval for collecting the data of the temperature and humidity instrument to be tested, the signal acquisition controller control module of the automatic calibration control system controls the signal acquisition controller according to the received control signal, and the temperature and humidity generator according to the setting parameters work. The signal acquisition controller sends the measured temperature and humidity value sent by the precision current or voltmeter, and the reference temperature and humidity value sent by the dew point meter to the calibration management module of the automatic calibration control system through the USB port. The temperature and humidity value judges whether the temperature and humidity environment of the temperature and humidity generator is stable according to the set algorithm, and the verification management module checks and compares the measured temperature and humidity value and the reference temperature and humidity value received in real time according to the judgment result of the environment stability. The verification information is stored in the verification information database, and the user browses the verification information through the user interface.
进一步，本方案的方法的信号采集控制器包括信号接口转换器、USB集线器、信号通道切换模块、信号接线端、电源模块，过程还包括：电源模块通过供电接线端给待测温湿度仪表供电，电源模块给USB集线器、信号通道切换模块供电连接，自动校验控制系统的信号采集控制器控制模块依次通过USB集线器、信号接口转换器控制温湿度发生器的工作状态，自动校验控制系统的信号采集控制器控制模块依次通过USB集线器、信号通道切换模块、信号接线端、精密电流或电压仪表实现采集待测温湿度仪表数据的控制，待测温湿度仪表通过信号接线端将测量温湿度信息发送给精密电流或电压仪表，精密电流或电压仪表根据收到的信息生成测量温湿度值后依次通过信号接口转换器、USB集线器发送给自动校验控制系统的校验管理模块，露点仪依次通过信号接口转换器、USB集线器将基准温湿度值发送给自动校验控制系统的校验管理模块。Further, the signal acquisition controller of the method of this solution includes a signal interface converter, a USB hub, a signal channel switching module, a signal terminal, and a power supply module. The process also includes: the power supply module supplies power to the temperature and humidity instrument to be measured through the power supply terminal, The power supply module supplies power to the USB hub and the signal channel switching module, and the signal acquisition controller control module of the automatic calibration control system controls the working status of the temperature and humidity generator through the USB hub and the signal interface converter in turn, and automatically checks the signal of the control system The acquisition controller control module realizes the control of collecting the data of the temperature and humidity instrument to be measured through the USB hub, the signal channel switching module, the signal terminal, and the precision current or voltage instrument in turn, and the temperature and humidity instrument to be tested sends the measured temperature and humidity information through the signal terminal For the precision current or voltage instrument, the precision current or voltage instrument generates the measured temperature and humidity value according to the received information, and then sends it to the calibration management module of the automatic calibration control system through the signal interface converter and USB hub, and the dew point meter sequentially passes the signal The interface converter and the USB hub send the reference temperature and humidity values to the calibration management module of the automatic calibration control system.
进一步，本方案的方法的自动校验控制系统还包括打印管理模块、文件导出管理模块，过程还包括：用户通过打印管理模块调取校验信息数据库的信息通过打印终端输出校验信息报告，用户通过文件导出管理模块调取校验信息数据库的信息进行数据格式转换生成PDF格式的文件输出。Further, the automatic verification control system of the method of this solution also includes a printing management module and a file export management module, and the process also includes: the user transfers the information of the verification information database through the printing management module and outputs the verification information report through the printing terminal, and the user The information in the verification information database is retrieved through the file export management module to perform data format conversion to generate a file output in PDF format.
本发明温湿度仪表自动校验系统及方法采用自动校验控制系统与信号采集控制器实现仪表自动校验，具有校验质量、效率高的特点。The temperature and humidity instrument automatic calibration system and method of the present invention adopts the automatic calibration control system and the signal acquisition controller to realize the automatic calibration of the instrument, and has the characteristics of high calibration quality and high efficiency.
附图说明Description of drawings
图1是现有的温湿度仪表自动校验方案的原理图。Figure 1 is a schematic diagram of an existing automatic calibration scheme for temperature and humidity instruments.
图2是本发明温湿度仪表自动校验系统的原理图。Fig. 2 is a principle diagram of the automatic calibration system of the temperature and humidity instrument of the present invention.
图3是信号采集控制器的原理图。Figure 3 is a schematic diagram of the signal acquisition controller.
图4是自动校验控制系统的流程图。Figure 4 is a flow chart of the automatic calibration control system.
具体实施方式Detailed ways
如图2所示，本发明温湿度仪表自动校验系统包括温湿度发生器，温湿度发生器内设有若干待测温湿度仪表、露点仪，温湿度仪表通过精密电流或电压仪表与信号采集控制器通信连接，露点仪与信号采集控制器通信连接，温湿度发生器与信号采集控制器通信连接，信号采集控制器与自动校验控制系统通信连接，自动校验控制系统包括信号采集控制器控制模块、校验管理模块、校验信息数据库、用户界面，信号采集控制器控制模块用于控制信号采集控制器，校验管理模块用于根据采集信息分析生成校验信息，校验信息数据库用于存储校验信息，用户界面用于展示校验信息。上述方案采用自动校验控制系统与信号采集控制器实现仪表自动校验，避免了采用人工校验产生的诸多问题，显著提高了校验过程的质量和效率。As shown in Figure 2, the temperature and humidity meter automatic calibration system of the present invention includes a temperature and humidity generator, which is provided with a number of temperature and humidity meters and dew point meters to be measured, and the temperature and humidity meters are collected by precision current or voltage meters and signals The communication connection of the controller, the communication connection between the dew point meter and the signal acquisition controller, the communication connection between the temperature and humidity generator and the signal acquisition controller, the communication connection between the signal acquisition controller and the automatic calibration control system, and the automatic calibration control system includes the signal acquisition controller Control module, verification management module, verification information database, user interface, signal acquisition controller The control module is used to control the signal acquisition controller, the verification management module is used to generate verification information according to the analysis of collected information, and the verification information database is used For storing verification information, the user interface is used to display verification information. The above scheme uses an automatic calibration control system and a signal acquisition controller to realize automatic instrument calibration, avoiding many problems caused by manual calibration, and significantly improving the quality and efficiency of the calibration process.
为了实现信号的采集、处理、传送，本方案公开了一种信号采集控制器，如图3所示，具体是信号采集控制器包括信号接口转换器、USB集线器、信号通道切换模块、信号接线端、电源模块，电源模块通过供电接线端与待测温湿度仪表供电连接，电源模块与USB集线器、信号通道切换模块供电连接，待测温湿度仪表、信号接线端、精密电流或电压仪表、信号接口转换器、USB集线器、自动校验控制系统依次通信连接形成待测仪表信号链，自动校验控制系统、USB集线器、信号通道切换模块、信号接线端、精密电流或电压仪表、待测温湿度仪表依次通信连接形成采集控制信号链，露点仪、信号接口转换器、USB集线器、自动校验控制系统依次通信连接形成基准信号链，自动校验控制系统、USB集线器、信号接口转换器、温湿度发生器依次通信连接形成环境控制信号链。In order to realize the acquisition, processing and transmission of signals, this scheme discloses a signal acquisition controller, as shown in Figure 3, specifically, the signal acquisition controller includes a signal interface converter, a USB hub, a signal channel switching module, and a signal terminal , power supply module, the power supply module is connected to the temperature and humidity instrument to be tested through the power supply terminal, the power supply module is connected to the USB hub, and the signal channel switching module for power supply, the temperature and humidity instrument to be tested, the signal terminal, the precision current or voltage instrument, and the signal interface The converter, USB hub, and automatic calibration control system are sequentially connected by communication to form the signal chain of the instrument to be tested. The automatic calibration control system, USB hub, signal channel switching module, signal terminal, precision current or voltage instrument, and temperature and humidity instrument to be tested The dew point meter, signal interface converter, USB hub, and automatic calibration control system are sequentially connected by communication to form a reference signal chain. The automatic calibration control system, USB hub, signal interface converter, and temperature and humidity generation The devices are in turn communicatively connected to form an environmental control signal chain.
为了实现自动校验控制系统的打印及文件导出功能，本方案的自动校验控制系统还包括打印管理模块、文件导出管理模块，打印管理模块用于控制打印输出校验信息，文件导出管理模块用于将校验信息转换成设定格式的文件输出。In order to realize the printing and file export functions of the automatic verification control system, the automatic verification control system of this scheme also includes a print management module and a file export management module. It is used to convert the verification information into a file output in a set format.
本发明还公开了一种温湿度仪表自动校验方法，温湿度仪表自动校验方法基于温湿度仪表自动校验系统，温湿度仪表自动校验系统包括温湿度发生器，温湿度发生器内设有若干待测温湿度仪表、露点仪，温湿度仪表通过精密电流或电压仪表与信号采集控制器通信连接，露点仪与信号采集控制器通信连接，温湿度发生器与信号采集控制器通信连接，信号采集控制器与自动校验控制系统通信连接，自动校验控制系统包括信号采集控制器控制模块、校验管理模块、校验信息数据库、用户界面，包括过程：将待测温湿度仪表、露点仪靠近放入温湿度发生器中，将待测温湿度仪表的电流或电压输出信号接入精密电流或电压仪表中进行温湿度输出信号测量，用户通过自动校验控制系统的用户界面设定温湿度发生器的温湿度值、采集待测温湿度仪表数据的时间间隔，自动校验控制系统的信号采集控制器控制模块根据收到的控制信号控制信号采集控制器、温湿度发生器按照设定的参数工作。信号采集控制器将精密电流或电压表发送的测量温湿度值、露点仪发送的基准温湿度值通过USB端口发送给自动校验控制系统的校验管理模块，校验管理模块根据收到的基准温湿度值按照设定的算法判断温湿度发生器的温湿度环境是否稳定，校验管理模块根据环境稳定的判断结果将实时收到的测量温湿度值、基准温湿度值进行校验比对生成校验信息存入校验信息数据库，用户通过用户界面浏览校验信息。The invention also discloses an automatic calibration method for a temperature and humidity instrument. The automatic calibration method for a temperature and humidity instrument is based on an automatic calibration system for a temperature and humidity instrument. The automatic calibration system for a temperature and humidity instrument includes a temperature and humidity generator. There are several temperature and humidity meters and dew point meters to be tested. The temperature and humidity meters communicate with the signal acquisition controller through precision current or voltage meters, the dew point meters communicate with the signal acquisition controller, and the temperature and humidity generators communicate with the signal acquisition controller. The signal acquisition controller communicates with the automatic calibration control system. The automatic calibration control system includes a signal acquisition controller control module, a calibration management module, a calibration information database, and a user interface. The instrument is placed close to the temperature and humidity generator, and the current or voltage output signal of the temperature and humidity instrument to be tested is connected to the precision current or voltage instrument for temperature and humidity output signal measurement. The user sets the temperature and humidity through the user interface of the automatic calibration control system. The temperature and humidity value of the humidity generator, the time interval for collecting the data of the temperature and humidity instrument to be tested, the signal acquisition controller control module of the automatic calibration control system controls the signal acquisition controller according to the received control signal, and the temperature and humidity generator according to the setting parameters work. The signal acquisition controller sends the measured temperature and humidity value sent by the precision current or voltmeter, and the reference temperature and humidity value sent by the dew point meter to the calibration management module of the automatic calibration control system through the USB port. The temperature and humidity value judges whether the temperature and humidity environment of the temperature and humidity generator is stable according to the set algorithm, and the verification management module checks and compares the measured temperature and humidity value and the reference temperature and humidity value received in real time according to the judgment result of the environment stability. The verification information is stored in the verification information database, and the user browses the verification information through the user interface.
为了实现信号的采集、处理、传送，本方案的方法的信号采集控制器包括信号接口转换器、USB集线器、信号通道切换模块、信号接线端、电源模块，过程还包括：电源模块通过供电接线端给待测温湿度仪表供电，电源模块给USB集线器、信号通道切换模块供电连接，自动校验控制系统的信号采集控制器控制模块依次通过USB集线器、信号接口转换器控制温湿度发生器的工作状态，自动校验控制系统的信号采集控制器控制模块依次通过USB集线器、信号通道切换模块、信号接线端、精密电流或电压仪表实现采集待测温湿度仪表数据的控制，待测温湿度仪表通过信号接线端将测量温湿度信息发送给精密电流或电压仪表，精密电流或电压仪表根据收到的信息生成测量温湿度值后依次通过信号接口转换器、USB集线器发送给自动校验控制系统的校验管理模块，露点仪依次通过信号接口转换器、USB集线器将基准温湿度值发送给自动校验控制系统的校验管理模块。In order to realize the acquisition, processing and transmission of signals, the signal acquisition controller of the method of this program includes a signal interface converter, a USB hub, a signal channel switching module, a signal terminal, and a power supply module. The process also includes: the power supply module passes through the power supply terminal Supply power to the temperature and humidity instrument to be tested, the power supply module supplies power to the USB hub and signal channel switching module, and the signal acquisition controller control module of the automatic calibration control system controls the working status of the temperature and humidity generator through the USB hub and signal interface converter in turn , the signal acquisition controller control module of the automatic calibration control system realizes the control of collecting the data of the temperature and humidity instrument to be measured through the USB hub, the signal channel switching module, the signal terminal, the precision current or voltage instrument, and the temperature and humidity instrument to be tested passes the signal The terminal sends the measured temperature and humidity information to the precision current or voltage instrument, and the precision current or voltage instrument generates the measured temperature and humidity value according to the received information, and then sends it to the automatic calibration control system for calibration through the signal interface converter and USB hub. The management module and the dew point meter sequentially send the reference temperature and humidity values to the calibration management module of the automatic calibration control system through the signal interface converter and the USB hub.
为了实现自动校验控制系统的打印及文件导出功能，本方案的方法的自动校验控制系统还包括打印管理模块、文件导出管理模块，过程还包括：用户通过打印管理模块调取校验信息数据库的信息通过打印终端输出校验信息报告，用户通过文件导出管理模块调取校验信息数据库的信息进行数据格式转换生成PDF格式的文件输出。In order to realize the printing and file export functions of the automatic verification control system, the automatic verification control system of the method of this program also includes a print management module and a file export management module. The process also includes: the user transfers the verification information database through the print management module The verification information report is output through the printing terminal, and the user transfers the information of the verification information database through the file export management module to perform data format conversion and generate a file output in PDF format.
本方案公开了一种自动化温湿度计量校验系统，如图2所示，基于单个计算机USB端口的多通道温湿度仪表全自动校验装置的主要组成部分如下：温湿度发生器1、被测温湿度仪表2、高精度温湿度基准露点仪3、精密电流或电压仪表4、控制器7以及计算机8。本方案实现温湿度仪表的自动化校验，创新的控制器(信号采集控制器)使得系统高度集成，仅需一个USB接口接入计算机即可对多个仪器系统进行控制，大大简化系统结构。创新的软件系统，使得温湿度仪表校准实现完全的自动化，自动生成校准报告，报告不可篡改，数据可靠性高。This scheme discloses an automatic temperature and humidity measurement calibration system, as shown in Figure 2, the main components of the multi-channel temperature and humidity instrument automatic calibration device based on a single computer USB port are as follows: temperature and humidity generator 1, the measured Temperature and humidity meter 2, high-precision temperature and humidity reference dew point meter 3, precision current or voltage meter 4, controller 7 and computer 8. This solution realizes the automatic calibration of temperature and humidity instruments, and the innovative controller (signal acquisition controller) makes the system highly integrated. Only one USB interface is needed to connect to the computer to control multiple instrument systems, which greatly simplifies the system structure. The innovative software system makes the calibration of temperature and humidity instruments fully automatic, automatically generates calibration reports, the reports cannot be tampered with, and the data reliability is high.
如图2、3所示，将被测温湿度仪表2、露点仪3置于温湿度发生器1中，并且尽量让被测温湿度仪表2和露点仪3靠近，这样温湿度参数的对比才是比较准确的。将被测温湿度仪表2的电流或电压输出信号接入到精密电流或电压仪表4进行温湿度输出信号测量，精密电流或电压表4的测量信号通过数字接口转换器7-1接入控制器7中，控制器7通过计算机8的USB端口8-1和控制软件8-2进行数据交互通信，控制软件8-2的显示界面可以设定被测温湿度仪表2的数据采集时间间隔，定时采集被测温湿度仪表2的温湿度值。温湿度发生器1的控制信号通过数字接口转换器7-1接入控制器7中，控制器7通过计算机8的USB端口8-1和控制软件8-2进行数据交互通信。在控制器软件8-2的显示界面上，可以对温湿度发生器1的温湿度值进行设定，并等待一段时间直到其温湿度环境稳定。露点仪3的控制信号通过数字接口转换器7-1接入控制器7中，控制器7通过计算机8的USB端口8-1和控制软件8-2进行数据交互通信，控制软件8-2实时读取露点仪3的基准温湿度值，并通过计算机软件8-2的算法自动判定温湿度发生器1的温湿度环境是否稳定。当温湿度发生器1的温湿度环境稳定后，计算机软件8-2采集当前温湿度环境下的被测温湿度仪表2的温湿度值以及露点仪3的基准温湿度值，并进行校验比对，自动生成校验数据以及报告。As shown in Figures 2 and 3, place the measured temperature and humidity meter 2 and dew point meter 3 in the temperature and humidity generator 1, and try to make the measured temperature and humidity meter 2 and dew point meter 3 as close as possible, so that the comparison of temperature and humidity parameters can is more accurate. Connect the current or voltage output signal of the measured temperature and humidity meter 2 to the precision current or voltage meter 4 for temperature and humidity output signal measurement, and the measurement signal of the precision current or voltmeter 4 is connected to the controller through the digital interface converter 7-1 In 7, the controller 7 performs data interactive communication through the USB port 8-1 of the computer 8 and the control software 8-2, and the display interface of the control software 8-2 can set the data collection time interval of the measured temperature and humidity instrument 2, timing Collect the temperature and humidity value of the temperature and humidity instrument 2 under test. The control signal of the temperature and humidity generator 1 is connected to the controller 7 through the digital interface converter 7-1, and the controller 7 performs data interactive communication through the USB port 8-1 of the computer 8 and the control software 8-2. On the display interface of the controller software 8-2, the temperature and humidity value of the temperature and humidity generator 1 can be set, and wait for a period of time until the temperature and humidity environment is stable. The control signal of the dew point meter 3 is connected to the controller 7 through the digital interface converter 7-1, and the controller 7 performs data interactive communication through the USB port 8-1 of the computer 8 and the control software 8-2, and the control software 8-2 real-time Read the reference temperature and humidity value of the dew point meter 3, and automatically determine whether the temperature and humidity environment of the temperature and humidity generator 1 is stable through the algorithm of the computer software 8-2. After the temperature and humidity environment of the temperature and humidity generator 1 is stable, the computer software 8-2 collects the temperature and humidity value of the measured temperature and humidity instrument 2 and the reference temperature and humidity value of the dew point meter 3 under the current temperature and humidity environment, and performs a calibration ratio Yes, calibration data and reports are automatically generated.
本方案的核心部件为控制器7(信号采集控制器)，如图3所示，控制器7由如下几个部分组成：数字接口转换器7-1、USB集线器7-2、信号通道切换模块7-3、供电接线端7-4、信号接线端7-5以及电源模块7-6。被测温湿度仪表2可以有多只，由2-1、2-2……2-N等构成，本方案为了说明问题，只表征了2-1和2-2两只，实际情况下不仅限于两只，可以是多只被测温湿度仪表。数字接口转换器7-1通过地址识别模块7-1-1将温湿度发生器1、露点仪3以及精密电流或电压仪表4各自不同的接口统一转换成USB接口，接入USB集线器7-2，通过USB集线器7-2和计算机8连接的USB端口8-1进行数据交互。这样可以通过对计算机软件8-2的显示界面操作，实现对温湿度发生器1、露点仪3以及精密电流或电压仪表4的信号读取采集、参数设定控制等。计算机软件8-2通过地址识别模块7-1-1中的设备地址判断是否连接到设备，如温湿度发生器1、露点仪3以及精密电流或电压仪表4等。USB集线器7-2实现多路USB数据的中继，通过它可以完成对温湿度发生器1、露点仪3、精密电流或电压仪表4以及信号通道切换模块7-3的数据采集、参数设定控制等，并且和计算机8的数据进行交互。信号通道切换模块7-3可以通过信号接线端7-5对应的仪表信号端口，接入多路被测温湿度仪表2，计算机软件8-2通过USB端口8-1和信号通道切换模块7-3进行数据交互通信，控制通道切换模块7-3依次选择接入的多路被测温湿度仪表2中的其中一路温湿度仪表2-1，使得信号通道切换模块7-3的输出信号通过信号接线端7-5对应的精密电流或电压仪表的输出端口，接入到精密电流或电压仪表4，精密电流或电压仪表4对选中的温湿度仪表2-1温湿度值进行测量，并将测量到的温湿度值传送到计算机软件8-2。The core component of this program is controller 7 (signal acquisition controller), as shown in Figure 3, controller 7 is made up of following several parts: digital interface converter 7-1, USB hub 7-2, signal channel switching module 7-3, power supply terminal 7-4, signal terminal 7-5 and power module 7-6. There can be multiple temperature and humidity instruments 2 to be measured, consisting of 2-1, 2-2...2-N, etc. In order to illustrate the problem, this scheme only represents 2-1 and 2-2. In actual situations, not only Limited to two, it can be more than one temperature and humidity instrument to be measured. The digital interface converter 7-1 uniformly converts the different interfaces of the temperature and humidity generator 1, the dew point meter 3 and the precision current or voltage meter 4 into USB interfaces through the address identification module 7-1-1, and connects them to the USB hub 7-2 , through the USB hub 7-2 and the USB port 8-1 connected to the computer 8 for data interaction. In this way, by operating the display interface of the computer software 8-2, the signal reading and acquisition, parameter setting control, etc. of the temperature and humidity generator 1, the dew point meter 3 and the precision current or voltage meter 4 can be realized. The computer software 8-2 judges whether it is connected to a device, such as a temperature and humidity generator 1, a dew point meter 3, and a precision current or voltage meter 4, etc., through the device address in the address identification module 7-1-1. The USB hub 7-2 realizes the relay of multi-channel USB data, through which the data acquisition and parameter setting of the temperature and humidity generator 1, the dew point meter 3, the precision current or voltage meter 4 and the signal channel switching module 7-3 can be completed Control etc., and interact with the data of computer 8. The signal channel switching module 7-3 can be connected to multiple measured temperature and humidity instruments 2 through the instrument signal port corresponding to the signal terminal 7-5, and the computer software 8-2 is connected to the signal channel switching module 7-2 through the USB port 8-1. 3. Carry out data interactive communication, and the control channel switching module 7-3 sequentially selects one of the temperature and humidity instruments 2-1 among the multiple measured temperature and humidity instruments 2 connected, so that the output signal of the signal channel switching module 7-3 passes through the signal channel. The output port of the precision current or voltage meter corresponding to the terminal 7-5 is connected to the precision current or voltage meter 4, and the precision current or voltage meter 4 measures the temperature and humidity value of the selected temperature and humidity meter 2-1, and will measure The temperature and humidity values obtained are transmitted to the computer software 8-2.
依次类推，温湿度仪表2-2的温湿度值也可以通过这种方法传送到计算机软件8-2。供电接线端7-4是电源接线端口，被测温湿度仪表2中的温湿度仪表2-1、温湿度仪表2-2……温湿度仪表2-N等多个被测温湿度仪表的电源端和供电接线端7-4对应连接，电源模块7-6和供电接线端7-4相连接，电源模块7-6就可以给温湿度仪表1、温湿度仪表2……温湿度仪表N供电，使其能够正常工作了。这样做的优点是避免单独接线，提高系统集成度。信号接线端7-5是信号接线端口，被测温湿度仪表2中的温湿度仪表2-1、温湿度仪表2-2……温湿度仪表2-N等多个被测温湿度仪表的输出信号端和信号接线端7-5对应连接，并通过信号通道切换模块7-3以及计算机软件8-2选通对应温湿度仪表的温湿度输出信号，同时接入到精密电流或电压仪表4进行温湿度值测量，精密电流或电压仪表4的信号端口也通过信号接线端7-5和信号通道切换模块7-3连接。电源模块7-6是供电模块，分别给被测温湿度仪表2、信号通道切换模块7-3以及USB集线器供电，提高系统集成度。By analogy, the temperature and humidity value of the temperature and humidity instrument 2-2 can also be transmitted to the computer software 8-2 by this method. The power supply terminal 7-4 is a power supply connection port, and the temperature and humidity instrument 2-1, the temperature and humidity instrument 2-2...the temperature and humidity instrument 2-N in the measured temperature and humidity instrument 2 are the power supplies of multiple measured temperature and humidity instruments terminal and the power supply terminal 7-4 are connected correspondingly, the power module 7-6 is connected with the power supply terminal 7-4, and the power module 7-6 can supply power to the temperature and humidity instrument 1, the temperature and humidity instrument 2 ... the temperature and humidity instrument N , to make it work properly. The advantage of this is to avoid separate wiring and improve system integration. The signal terminal 7-5 is a signal connection port, the output of multiple measured temperature and humidity instruments such as the temperature and humidity instrument 2-1, the temperature and humidity instrument 2-2 ... the temperature and humidity instrument 2-N in the measured temperature and humidity instrument 2 The signal terminal and the signal terminal 7-5 are connected correspondingly, and the temperature and humidity output signal corresponding to the temperature and humidity instrument is gated through the signal channel switching module 7-3 and the computer software 8-2, and connected to the precision current or voltage instrument 4 at the same time. For temperature and humidity measurement, the signal port of the precision current or voltage instrument 4 is also connected through the signal terminal 7-5 and the signal channel switching module 7-3. The power supply module 7-6 is a power supply module, which supplies power to the measured temperature and humidity instrument 2, the signal channel switching module 7-3 and the USB hub respectively, so as to improve system integration.
本方案通过控制器7以及计算机软件8-2设定温湿度发生器1的温湿度值，同时等待系统温湿度环境稳定之后，通过控制器7以及计算机软件8-2读取从露点仪3得到的基准温湿度值，并且读取通过精密电流或电压仪表4读取的被测温湿度仪表2的温湿度值，控制器7将读取到的这些数据发送到计算机1的计算机软件8-2进行处理。因此，本方案具有以下特点。In this program, the temperature and humidity value of the temperature and humidity generator 1 is set by the controller 7 and the computer software 8-2, and at the same time, after the temperature and humidity environment of the system is stable, the controller 7 and the computer software 8-2 read the value obtained from the dew point meter 3. The reference temperature and humidity value, and read the temperature and humidity value of the measured temperature and humidity instrument 2 read by the precision current or voltage meter 4, the controller 7 sends these data read to the computer software 8-2 of the computer 1 to process. Therefore, this program has the following characteristics.
⑴整个温湿度全自动校验装置是由温湿度发生器1、被测温湿度仪表2、露点仪3、精密电流或电压仪表4、控制器7以及计算机8等各个分系统组成的完整的全自动校验装置的硬件部分。(1) The entire temperature and humidity automatic calibration device is a complete and complete system composed of temperature and humidity generator 1, measured temperature and humidity meter 2, dew point meter 3, precision current or voltage meter 4, controller 7, and computer 8. The hardware part of the automatic calibration device.
⑵硬件部分的核心部件之一控制器7，由如下几个部分组成：数字接口转换器7-1、USB集线器7-2、信号通道切换模块7-3、供电接线端7-4、信号接线端7-5以及电源模块7-6。(2) The controller 7, one of the core components of the hardware part, consists of the following parts: digital interface converter 7-1, USB hub 7-2, signal channel switching module 7-3, power supply terminal 7-4, signal wiring Terminal 7-5 and power module 7-6.
⑶控制器的具体工作原理：电源模块7-6提供给USB集线器7-2、信号通道切换模块7-3以及多路被测温湿度仪表2-1、温湿度仪表2-2……温湿度仪表2-N提供电源。这样做的好处是提高集成度，极大简化整个装置的操作性。(3) The specific working principle of the controller: the power supply module 7-6 is provided to the USB hub 7-2, the signal channel switching module 7-3, and the multi-channel measured temperature and humidity instrument 2-1, temperature and humidity instrument 2-2... temperature and humidity Meter 2-N provides power. The advantage of this is to improve the integration and greatly simplify the operability of the whole device.
⑷被测温湿度仪表2不仅限于一路，而可以是多路，包括温湿度仪表2-1、温湿度仪表2-2……温湿度仪表2-N等，这样做的好处是大大提高温湿度仪表的校验效率。(4) The measured temperature and humidity instrument 2 is not limited to one channel, but can be multi-channel, including temperature and humidity instrument 2-1, temperature and humidity instrument 2-2... temperature and humidity instrument 2-N, etc. The advantage of this is that the temperature and humidity are greatly improved. Calibration efficiency of the instrument.
⑸控制器7可以将所有设备统一用USB集线器7-2连接，仅通过一路USB端口8-1连接到计算机8，外部多路被测温湿度仪表2通过供电接线端7-4和信号接线端7-5连接到控制器7。系统连接非常快速便捷，省去了以往繁琐的接线布线连接工作。(5) The controller 7 can connect all devices with the USB hub 7-2, and only connect to the computer 8 through one USB port 8-1, and the external multi-channel measured temperature and humidity instrument 2 is connected through the power supply terminal 7-4 and the signal terminal 7-5 is connected to the controller 7. The system connection is very fast and convenient, eliminating the tedious work of wiring and wiring connections in the past.
⑹通过计算机软件8-2实现整个系统的有序工作，实现被测温湿度仪表2的全自动化校验，自动生成校验数据和校验报告，避免以前人工校验时不可靠因素，使得校验数据的可信度大大提高。⑹ Realize the orderly work of the whole system through the computer software 8-2, realize the fully automatic calibration of the measured temperature and humidity instrument 2, automatically generate calibration data and calibration reports, avoid unreliable factors in the previous manual calibration, and make the calibration The reliability of experimental data has been greatly improved.
⑺计算机软件8-2通过数字接口转换器7-1的地址识别模块7-1-1连接的设备，包括温湿度发生器1、露点仪3、精密电流及电压仪表4以及信号通道切换模块7-3等，使得系统的安全性和可靠性大大加强，非法设备接入系统后，系统自动识别并终止工作。(7) The computer software 8-2 is connected to the device through the address recognition module 7-1-1 of the digital interface converter 7-1, including the temperature and humidity generator 1, the dew point meter 3, the precision current and voltage meter 4 and the signal channel switching module 7 -3, etc., the security and reliability of the system are greatly enhanced. After illegal devices are connected to the system, the system will automatically identify and stop working.
本方案的温湿度仪表自动校验系统及方法并不限于具体实施方式中公开的内容，实施例中出现的技术方案可以基于本领域技术人员的理解而延伸，本领域技术人员根据本方案结合公知常识作出的简单替换方案也属于本方案的范围。The temperature and humidity instrument automatic calibration system and method of this solution are not limited to the content disclosed in the specific implementation. The technical solutions in the examples can be extended based on the understanding of those skilled in the art. Simple alternatives made by common sense also fall within the scope of this proposal.
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