CN203732181U - Thermocouple detecting device based on computer control - Google Patents
Thermocouple detecting device based on computer control Download PDFInfo
- Publication number
- CN203732181U CN203732181U CN201420017604.2U CN201420017604U CN203732181U CN 203732181 U CN203732181 U CN 203732181U CN 201420017604 U CN201420017604 U CN 201420017604U CN 203732181 U CN203732181 U CN 203732181U
- Authority
- CN
- China
- Prior art keywords
- temperature controller
- thermocouple
- host computer
- computer
- digital
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model provides a thermocouple detecting device based on computer control, which comprises a verification furnace, a standard thermocouple, a zero-degree thermostat, a D/A digital-to-analog converter, a data acquisition device, a temperature controller and an upper computer, wherein the standard thermocouple and the temperature controller are arranged in the verification furnace, the standard thermocouple is connected with an input end of the upper computer through the zero-degree thermostat and the data acquisition device, an output end of the upper computer is connected with the temperature controller in the verification furnace through the D/A digital-to-analog converter, a detected thermocouple is arranged in the verification furnace and connected with the data acquisition device, and the periphery of the upper computer is connected with a display, a memory and a printer. By adopting the thermocouple detecting device based on computer control, the detection capacity on short form thermocouples and special thermocouples, the real-time control and field usage can be satisfied, and reliable metering guarantee is provided for products of the model.
Description
Technical field
The utility model relates to a kind of based on computer-controlled thermocouple detection device, belongs to host computer Automatic Measurement Technique field.
Background technology
Thermopair is one of industrial conventional detector unit, the features such as it has, and measuring accuracy is high, measurement range is wide, simple structure, easy to use and fast response time.In order to ensure the performance of thermopair, need often thermopair to be examined and determine or calibrated.
At present, the thermopair detection system robotization control ability of domestic employing is poor, and calibrating or calibration result are unreliable, especially to using length to be less than 300mm, the special cheap metal brachmorphy thermopair of shape.
Summary of the invention
For above deficiency, it is a kind of based on computer-controlled thermocouple detection device that the utility model provides.
The technical solution of the utility model: based on computer-controlled thermocouple detection device, comprise assay furnace, standard couple, zero degree thermostat, D/A digital to analog converter, data collector, temperature controller and host computer, wherein standard couple and temperature controller are placed in assay furnace, standard couple is through zero degree thermostat, data collector is connected with the input end of host computer, the output terminal of host computer is connected with the temperature controller in assay furnace through D/A digital to analog converter, tested thermopair is placed in assay furnace and is connected with data collector, host computer periphery is connected to display, storer and printer.
Described data collector comprises ADC analog to digital conversion circuit, microprocessor and two-way CAN bus, and ADC analog to digital conversion circuit is connected with microprocessor, and microprocessor is connected with host computer by two-way CAN bus.
Described temperature controller is thyristor regulating depressor.
The beneficial effects of the utility model: by adopting the utility model can improve the detectability to brachmorphy thermopair, special thermopair, can not only meet real-time control and on-the-spot use, and provide reliable Metrology Support for type product; By adopting two-way CAN communication, ensure the security of data transmission, reliability; Zero degree thermostat, as cold junction compensation source, has cold junction compensation effect, has strengthened the stability of whole device.
Brief description of the drawings
Fig. 1 is system architecture diagram of the present utility model.
Embodiment
As shown in Figure 1, based on computer-controlled thermocouple detection device, comprise assay furnace, standard couple, zero degree thermostat, D/A digital to analog converter, data collector, temperature controller and host computer, wherein standard couple and temperature controller are placed in assay furnace, standard couple is through zero degree thermostat, data collector is connected with the input end of host computer, the output terminal of host computer is connected with the temperature controller in assay furnace through D/A digital to analog converter, tested thermopair is placed in assay furnace and is connected with data collector, host computer periphery is connected to display, storer and printer.Described data collector comprises ADC analog to digital conversion circuit, microprocessor and two-way CAN bus, and ADC analog to digital conversion circuit is connected with microprocessor, and microprocessor is connected with host computer by two-way CAN bus.Described two-way CAN bus adopts a CAN bus and the 2nd CAN bus redundancy communication.Described temperature controller is thyristor regulating depressor.
Data collector is core component in the utility model, be responsible for carrying out Treatment Analysis to gathering the signal coming, the channel signal ADC analog to digital conversion circuit collecting is carried out to analog to digital conversion, finally signal is delivered to microprocessor, microprocessor by signal by a CAN bus and the 2nd CAN bus transfer to host computer.
Claims (2)
1. based on computer-controlled thermocouple detection device, it is characterized in that: comprise assay furnace, standard couple, zero degree thermostat, D/A digital to analog converter, data collector, temperature controller and host computer, wherein standard couple and temperature controller are placed in assay furnace, standard couple is through zero degree thermostat, data collector is connected with the input end of host computer, the output terminal of host computer is connected with the temperature controller in assay furnace through D/A digital to analog converter, tested thermopair is placed in assay furnace and is connected with data collector, host computer periphery is connected to display, storer and printer, described data collector comprises ADC analog to digital conversion circuit, microprocessor and two-way CAN bus, and ADC analog to digital conversion circuit is connected with microprocessor, and microprocessor is connected with host computer by two-way CAN bus.
2. as claimed in claim 1 based on computer-controlled thermocouple detection device, it is characterized in that: described temperature controller is thyristor regulating depressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420017604.2U CN203732181U (en) | 2014-01-13 | 2014-01-13 | Thermocouple detecting device based on computer control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420017604.2U CN203732181U (en) | 2014-01-13 | 2014-01-13 | Thermocouple detecting device based on computer control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203732181U true CN203732181U (en) | 2014-07-23 |
Family
ID=51202244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420017604.2U Expired - Fee Related CN203732181U (en) | 2014-01-13 | 2014-01-13 | Thermocouple detecting device based on computer control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203732181U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748890A (en) * | 2015-03-24 | 2015-07-01 | 上海理工大学 | Thermocouple detecting device |
| CN106644172A (en) * | 2017-01-23 | 2017-05-10 | 扬州大学 | Thermocouple cold-end thermostat device for portable field calibration and control method thereof |
-
2014
- 2014-01-13 CN CN201420017604.2U patent/CN203732181U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748890A (en) * | 2015-03-24 | 2015-07-01 | 上海理工大学 | Thermocouple detecting device |
| CN106644172A (en) * | 2017-01-23 | 2017-05-10 | 扬州大学 | Thermocouple cold-end thermostat device for portable field calibration and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107941363B (en) | Temperature pick-up device and method based on program-controlled double constant-current supplies | |
| CN105466587A (en) | Multichannel temperature acquisition system based on K-type thermocouple and MAX6675s | |
| CN202814555U (en) | ZigBee based wireless infrared non-contact multipoint temperature measuring system | |
| CN203465028U (en) | Multi-channel temperature monitor based on NTC temperature sensor | |
| CN203732181U (en) | Thermocouple detecting device based on computer control | |
| CN209673705U (en) | A kind of micro- water density data acquisition circuit of double thermistors | |
| CN112097945A (en) | Temperature detector and measuring device for detecting temperature of terminal base of electric energy meter | |
| CN202562654U (en) | Temperature transmitter detector | |
| CN205691245U (en) | A kind of Intellectual Thermal Transmitter of wireless calibration | |
| CN202956357U (en) | Device for detecting moisture content of grains on line | |
| CN203561476U (en) | Electric pressure cooker and pressure detection device thereof | |
| CN204491041U (en) | A kind of sapphire growth furnace temperature measuring equipment | |
| CN201795876U (en) | Digital thermometer | |
| CN205317365U (en) | High precision temperature measurement instrument of jam -proof | |
| CN202256489U (en) | Digital measurement control system of water load heavy-power meter | |
| CN205192658U (en) | Ultrashort type temperature sensor assay furnace | |
| CN105738006A (en) | Optical fiber sensing temperature-measuring device for power distribution cabinet | |
| CN203024899U (en) | Intelligent digital temperature detection device | |
| CN204115901U (en) | Electric thermo-couple temperature collection system | |
| CN104133501A (en) | Temperature control system for heating device | |
| CN204255518U (en) | It is a kind of that multiple spot is high-precision adopts warm system | |
| CN202956869U (en) | Wireless temperature acquisition system designed based on thermocouple self-detection | |
| CN107192467B (en) | Temperature monitoring device for welding battery piece | |
| CN204085706U (en) | Wireless heating pipeline detected temperatures sensor | |
| CN203798394U (en) | Pipe-segment-type thermal flow meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20170113 |