A switching system for calibrating temperature secondary instruments

Abstract

The application discloses a switching system for calibrating a temperature secondary instrument, which is characterized by comprising a temperature sensor, a converter and a temperature secondary instrument connected in sequence; the converter comprises a plurality of selection switches, a CPU electrically connected with the selection switches and an interface for connecting a standard meter, and the temperature secondary instrument and the temperature sensor are electrically connected with the selection switches respectively. The switching system for calibrating the temperature secondary instrument can realize quick, safe and automatic calibration of the temperature secondary instrument.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of calibration temperature secondary instrument switching system. BACKGROUND

[0002] Metrology is the activity that guarantees unit system uniformity and accurate and reliable quantity, and is the technical basis of scientific production. From the selection of raw materials to the quota feeding, from process monitoring to product quality inspection, metrology is indispensable. Socialized production itself requires a high degree of metrology guarantee. The kiln and other production equipment of building ceramic and other production enterprises are equipped with a large number of temperature secondary instruments, and a enterprise has hundreds of pieces, whether these instruments are accurate and reliable is very important to produce industries that meet the requirements. At present, metrology technicians need to spend a lot of time calibrating these instruments, and need to open the electrical cabinet to disconnect the wires of each instrument, and the live work is very frequent, which has a very big safety hazard. SUMMARY

[0003] The purpose of the present application is to provide a kind of calibration temperature secondary instrument switching system, realize the automatic calibration of temperature secondary instrument.

[0004] To achieve the above purpose, a kind of calibration temperature secondary instrument switching system provided by the present application includes temperature sensor, converter and temperature secondary instrument connected in sequence;The converter includes a plurality of selection switches, CPU electrically connected with a plurality of selection switches and interface for connecting standard meter, and the temperature secondary instrument and the temperature sensor are electrically connected with the selection switch respectively.

[0005] In the above-mentioned calibration temperature secondary instrument switching system, a computer module for regulating the temperature secondary instrument is electrically connected with the converter, and the computer module is electrically connected with the temperature secondary instrument.

[0006] In the above-mentioned calibration temperature secondary instrument switching system, the converter is provided with an interface end for external computer.

[0007] In the above-mentioned calibration temperature secondary instrument switching system, the converter is further provided with a display module for displaying the connection state mark of channel.

[0008] In the above-mentioned calibration temperature secondary instrument switching system, the converter is provided with a control module for controlling the selection switch.

[0009] In the above-mentioned calibration temperature secondary instrument switching system, the control module is control switch or control keyboard or computer control system.

[0010] In the above-mentioned calibration temperature secondary instrument switching system, the temperature secondary instrument is one or more.

[0011] The temperature sensor in the above-mentioned adapter system for calibrating temperature secondary instruments is one or more.

[0012] The adapter system for calibrating temperature secondary instruments provided by the above-mentioned technical solution has the following advantages compared with the prior art: the temperature sensor is arranged to measure the temperature near the connection end of the converter and the temperature secondary instrument, so that temperature or temperature electrical signal compensation can be performed when calibrating the temperature secondary instrument such as a heating thermocouple; the standard meter is connected with the converter, and the switch electrical signal of the converter is conveniently set to connect the corresponding temperature secondary instrument or temperature sensor, so that a large number of temperature secondary instruments can be quickly calibrated without manual wiring; when the temperature secondary instrument has a computer control system and the like, the temperature secondary instrument can also be automatically calibrated according to the corresponding computer program (including setting and selecting the temperature secondary instrument line by using the selection switch, adjusting the standard output value, reading the ambient temperature value, reading the secondary instrument display value, and processing the calibration data) through the adapter system, so that the measurement work efficiency is greatly improved and the product production quality control level is improved; the standard meter can also be automatically calibrated through a system connection network or in other forms to enable the measurement value to be traced back to the national measurement benchmark. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a structural schematic diagram of the adapter system for calibrating temperature secondary instruments of the present application;

[0014] Among them, 1-temperature sensor, 2-converter, 21-selection switch, 22-CPU, 23-interface, 24-computer module, 3-temperature secondary instrument, 4-standard meter, 5-interface end, 6-temperature measurement module, 7-control module, 8-display module. DETAILED DESCRIPTION

[0015] The specific implementation of the present application will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the present application, but are not used to limit the scope of the present application.

[0016] Please refer to the attached Figure 1 The adapter system for calibrating temperature secondary instruments provided by the present application comprises a temperature sensor 1, a converter 2, and a temperature secondary instrument 3 connected in sequence; the converter 2 comprises a plurality of selection switches 21, a CPU 22 electrically connected with the selection switches 21, and an interface 23 for connecting a standard meter 4, and the temperature secondary instrument 3 and the temperature sensor 1 are respectively electrically connected with the selection switches 21.

[0017] Based on the above technical features, by setting the temperature sensor 6 for measuring the temperature near the connection end of the converter 2 and the temperature secondary instrument 3, it is convenient to compensate for temperature or temperature electrical signal when calibrating the temperature secondary instrument 3 such as a heating couple; the standard meter 4 is connected with the converter 2 (also can be fixed on the converter 2), and the corresponding temperature secondary instrument 3 or temperature sensor 1 is connected through the electrical signal of the conveniently set switch 21 of the converter, so as to quickly calibrate a large number of temperature secondary instruments without manual wiring; when the temperature secondary instrument 3 has a computer control system and the like, the system can also automatically calibrate a large number of connected temperature secondary instruments 3 according to the corresponding computer program (which can be a program prepared by the temperature secondary instrument or the system) at any time as needed (including setting a selection switch to select the temperature secondary instrument 3 line, adjusting the output value of the standard meter 4, reading the value of the internal temperature instrument 6, reading the display value of the temperature secondary instrument 3, and processing the calibration data), greatly improving the measurement efficiency and improving the product production quality control level; the standard meter 4 can also be automatically calibrated through the system connection network or in other forms to enable the value to be traced back to the national measurement benchmark.

[0018] The converter 2 is provided with an interface end 5 for external computer, and the converter 2 is controlled by the external computer.

[0019] The converter 2 is also provided with a temperature measuring module 6, which realizes measurement and display of the temperature near the connection end of the measurement converter 2 and the temperature secondary instrument 3, so as to facilitate temperature or temperature electrical signal compensation when calibrating the temperature secondary instrument 3 such as a heating couple.

[0020] The converter 2 is provided with a control module 7 for controlling the selection switch 21, which realizes the control of the selection switch 21.

[0021] The control module 7 is a control switch or a control keyboard or a computer control system, which realizes the connection and disconnection state of the related signal line through the control switch or the control keyboard.

[0022] The converter 2 is also provided with a display module 8 for displaying the channel connection state mark, which realizes the display of the selected channel of the converter 2.

[0023] The temperature secondary instrument 3 is one or more; the temperature sensor 1 is one or more, and the number of temperature secondary instruments 3 and temperature sensors 1 configured in different use scenarios is different, and the present system can have the same good application experience.

[0024] In the description of the present application, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] In addition, in the description of the present application, unless otherwise stated, the meaning of "a plurality of" is two or more.

[0027] The above is only the preferred embodiment of the present application, and it should be noted that for those skilled in the art, without departing from the technical principles of the present application, a number of improvements and replacements can be made, which should also be considered as the protection scope of the present application.

Claims

1. A switching system for calibrating a temperature secondary instrument, characterized by, It comprises a temperature sensor, a converter and a temperature secondary instrument connected in sequence; the converter comprises several selection switches, a CPU electrically connected with the several selection switches and an interface for connecting a standard meter, the temperature secondary instrument and the temperature sensor are electrically connected with the selection switches respectively; The converter is provided with a temperature measuring module for detecting the temperature of the environment where the temperature secondary instrument sensor terminal is located, the temperature measuring module is provided with an interface for connecting a computer, and according to the temperature near the terminals of the converter and the temperature secondary instrument, temperature or temperature electric signal compensation is carried out when the temperature secondary instrument is calibrated; The converter is provided with an interface end for externally connecting a computer; The calibration temperature secondary instrument adapter system comprises a computer module for regulating the temperature secondary instrument electrically connected with the converter, and the computer module is electrically connected with the temperature secondary instrument. The temperature sensor is multiple; the temperature secondary instrument is multiple.

2. The adapter system for calibrating a temperature secondary instrument of claim 1, wherein, The converter is further provided with a display module for displaying channel marks.

3. The adapter system for calibrating a temperature secondary instrument of claim 1, wherein, The converter is provided with a control module for controlling the selection switches.

4. The adapter system for calibrating a temperature secondary instrument of claim 3, wherein, The control module is a control switch or a control keyboard or a computer control system.

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