CN103712789A - Full-automatic multi-channel temperature and humidity switch calibrating device and method - Google Patents
Full-automatic multi-channel temperature and humidity switch calibrating device and method Download PDFInfo
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- CN103712789A CN103712789A CN201410005474.5A CN201410005474A CN103712789A CN 103712789 A CN103712789 A CN 103712789A CN 201410005474 A CN201410005474 A CN 201410005474A CN 103712789 A CN103712789 A CN 103712789A
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Abstract
The invention relates to a full-automatic multi-channel temperature and humidity switch calibrating device and method. According to the full-automatic multi-channel temperature and humidity switch calibrating device and method, a temperature and humidity switch to be calibrated is placed in a constant temperature and moisture test chamber and connected with a multi-channel data acquisition device through a connecting line. The multi-channel data acquisition device enables acquired switching value signals of the temperature and humidity switch to be sent to an upper computer to be processed. Meanwhile, the upper computer acquires the temperature and the humidity in the constant temperature and moisture test chamber in real time through a dew-point instrument. When the temperature and humidity switch signals acquired by the multi-channel data acquisition device change, the upper computer records the temperature value and the humidity value in the constant temperature and moisture test chamber automatically. The full-automatic multi-channel temperature and humidity switch calibrating device and method achieve automatic reading of the temperature, the humidity and the switching value signals and automatic recording of the temperature value and the humidity value when the temperature and humidity switch acts and recovers and can set temperature and humidity rising and falling times and ranges of the constant temperature and moisture test chamber. Automatic processing such as action error and recovery error calculation can be performed on the acquired data, the acquired data can be stored automatically to form a printed report, and the whole process is completed automatically.
Description
Technical field
The invention belongs to test technique automatic field, relate to the full-automatic calibrating installation of hyperchannel temperature humidity switch and calibration method.
Background technology
Temperature humidity switch is widely used in domestic electric appliance motor and electric equipment, at the everyway of daily life, plays an important role.Due at present, for the calibrating of such switch, most of utilization manually detected, and exists the problems such as detection efficiency is low, error is larger.
Summary of the invention
Invention, for the deficiencies in the prior art, according to the design feature of temperature humidity switch, has designed the full-automatic calibrating installation of hyperchannel temperature humidity switch and calibration method.
The present invention includes constant temperature humidity chamber, dew point hygrometer, multi-channel data acquisition unit, PC.Temperature humidity switch and dew point hygrometer probe placement are in constant temperature humidity chamber, and constant temperature humidity chamber is connected with PC by Serial Port Line, and dew point hygrometer is connected with PC by Serial Port Line.
Described multi-channel data acquisition unit comprises: main frame, multi-channel data acquisition module.Multi-channel data acquisition module is connected with main frame by plugging signal line, and main frame can connect a plurality of multi-channel data acquisition modules simultaneously.
Described main frame comprises power supply, data communication card.Power supply is connected with data-signal communication module, and data-signal communication module is connected with PC by Serial Port Line.
Described multi-channel data acquisition module comprises: connection terminal, pilot lamp, data collecting card.Connection terminal one end is connected with pilot lamp one end, and the pilot lamp other end is connected with data collecting card.Temperature humidity switch is connected with the connection terminal in multi-channel data acquisition module by connecting line.
The method of utilizing above-mentioned temperature humidity switch automatic calibrator to examine and determine:
The content of calibrating comprises: the temperature humidity value while detecting temperature humidity switch action, the temperature humidity value while detecting temperature humidity switch recovery, calculates action humiture error, calculates and recovers humiture error.
By upper computer software, a temperature humidity range is set, PC utilizes the temperature and humidity in PID control principle auto-control constant temperature humidity chamber, and the humiture value in constant temperature humidity chamber is slowly changed in setting range.
By the temperature and humidity value in dew point hygrometer Real-time Collection constant temperature humidity chamber, and the data that collect are uploaded to PC software in real time process, multi-channel data acquisition unit gathers the switching value signal of temperature humidity switch under corresponding humiture environment, and the signal collecting is uploaded to PC software processes.When PC software receives the switching value signal intensity that multi-channel data acquisition unit uploads, automatically record the temperature and humidity value in the current constant temperature humidity chamber being collected by dew point hygrometer.
By upper computer software, the humiture number of times of up stroke is from low to high set, the number of times of down stroke from high in the end, make humiture in constant temperature humidity chamber carry out respective change, humiture value when temperature humidity switch moves when software is recorded each up stroke automatically, humiture value when each down stroke temperature humidity switch recovers is gone forward side by side, and humiture error is made in action, recovery humiture error is calculated.
Beneficial effect of the present invention:
The full-automatic calibrating installation of hyperchannel temperature humidity switch adopts modular design structure, in calibrating, can to a plurality of temperature humidity switch, detect simultaneously, greatly improves detection efficiency.Owing to temperature humidity switch calibrating employing is manually being examined and determine in the past, there is larger error, and the present invention adopts the humiture in upper computer software auto-control constant temperature humidity chamber, automatically printed report is calculated and automatically preserved and form to the error that records temperature humidity switch action and the humiture value of recovering and carry out according to the requirement of relevant vertification regulation automatically, the whole realizations of whole process complete automatically, eliminated personal error, the accuracy having improved, operating personnel's work is able to a large amount of simplification, labour intensity reduces, and has improved work efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is dew point hygrometer structural representation in the present invention.
Fig. 3 is multi-channel data acquisition unit schematic diagram in the present invention.
Fig. 4 is main frame schematic diagram in the present invention.
Fig. 5 is multi-channel data acquisition module diagram in the present invention.
Fig. 6 is calibrating functional flow diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, constant temperature humidity chamber 001 provides a high precision and stable humiture environment, by RS232 Serial Port Line 005, is connected with PC 006.PC 006 is controlled constant temperature humidity chamber 001 rising and decline in the temperature humidity range of setting.Dew point hygrometer 003 structure as shown in Figure 2, humidity temperature pickup 303 is placed in constant temperature humidity chamber and is connected on dew point hygrometer main frame 301 by connecting line 302, dew point hygrometer 003 is connected with PC 006 by RS232 Serial Port Line 005, and described dew point hygrometer is uploaded to PC by the temperature humidity real time data collecting.
Fig. 3 is multi-channel data acquisition unit schematic diagram, main frame 41 and multi-channel data acquisition module 42, consists of, and connects between the two by signal line 43, and a main frame can connect a plurality of multi-channel data acquisition modules by signal line.
As shown in Figure 4, main frame 41 is comprised of 24V Switching Power Supply 410, data-signal communication card 411, signal line Wiring port 412, power light 413 for main frame 41 in multi-channel data acquisition unit 004 and multi-channel data acquisition module 42 structural representations.24V Switching Power Supply 410 is connected with 220V power supply by power lead 414,24V Switching Power Supply positive terminal 415 is connected with signal line Wiring port 412,24V Switching Power Supply negative pole end 416 is connected with signal line Wiring port 412, data communication module signal positive 417 is connected with signal line terminals 412, and data communication module signal negative 418 is connected with signal line terminals 412.
In Fig. 4 413 is Switching Power Supply pilot lamp, and when Switching Power Supply is worked, pilot lamp can light.Data-signal communication card 411 is connected with PC 006 by RS232 Serial Port Line 419.
As shown in Figure 5, multi-channel data acquisition module 42 is comprised of data collecting card 420, signal line Wiring port 421, signal line Wiring port 422, pilot lamp 423, connecting terminal block 424.Connecting terminal block 424 is connected with pilot lamp 423, and pilot lamp 423 is connected with data collecting card 420.Data collecting card 24V positive 425 is connected with signal line Wiring port 421,422 respectively, and data collecting card 24V negative 426 is connected with signal line Wiring port 421,422 respectively.Data acquisition card signal positive 427 is connected with signal line Wiring port 421,422 respectively, and data acquisition card signal negative 428 is connected with signal line Wiring port 421,422 respectively,
Can plug signal line one end and insert the signal line Wiring port 412 of main frame 41, the other end inserts any one in the signal line Wiring port 421 or 422 of multi-channel data acquisition module 42.Connecting terminal block 424 is connected with temperature humidity switch two ends to be examined and determine.Each multi-channel data acquisition module can connect 6 temperature humidity switch simultaneously, when temperature humidity switch number to be examined and determine is more, and can be simultaneously by signal line upper a plurality of multi-channel data acquisition modules.
By the humiture in the software control constant temperature humidity chamber 001 of PC 006, make humiture rise slowly and decline, the humiture value of while dew point hygrometer 003 Real-time Collection constant temperature and moisture test is also uploaded to PC 006.When temperature humidity switch opens and closes when closing under corresponding temperature and humidity conditions, in multi-channel data acquisition unit 004, corresponding pilot lamp lights or extinguishes, multi-channel data acquisition module gathers switching value signal simultaneously, and is uploaded to PC 006 by data communication module.006 pair of two kinds of data of PC are processed and are recorded temperature humidity switch and open and close the humiture value while closing.
As shown in Figure 6, be calibrating function realization flow figure.By local PC, open login system, after authority is judged successfully, enter calibrating function interface, otherwise cannot enter.
First by mark well the lead-in wire of temperature humidity switch of order be inserted in the corresponding interface of the connecting terminal block 424 of multi-channel data acquisition module 42 of multi-channel data acquisition unit 004, the temperature humidity switch connecting is put into constant temperature humidity chamber 001, with RS232 Serial Port Line, connect PC 006 and dew point hygrometer 003, constant temperature humidity chamber 001, multi-channel data acquisition unit 004.
Open and in PC, hyperchannel temperature humidity switch is installed and automatically examines and determine software, log in after rear system.User need to set upper and lower temperature humidity range.Click after start button, software automatically starts to gather temperature humidity switch and opens and closes the humiture data while closing, and after whole calibrating flow process completes, software carries out data processing and error calculating, last automatic report generation automatically.Described software also provides a pause function, while occurring that in verification process emergency case need to be suspended, clicks pause button, and software is preserved relevant calibrating data automatically.When next time when entering this software, system can automatic-prompting and inquiry whether to continue last calibrating.When click is, thereby the last data of preserving of software Automatically invoked are carried out follow-up uncompleted calibrating.When click is no, software starts to carry out new calibrating once after initialization.
Claims (2)
1. the full-automatic calibrating installation of hyperchannel temperature humidity switch, comprises constant temperature humidity chamber, dew point hygrometer, multi-channel data acquisition unit and PC; It is characterized in that:
Temperature humidity switch and dew point hygrometer probe placement are in constant temperature humidity chamber, and constant temperature humidity chamber is connected with PC by Serial Port Line, and dew point hygrometer is connected with PC by Serial Port Line, and temperature humidity switch is connected with multi-channel data acquisition unit by connecting line;
Described multi-channel data acquisition unit comprises main frame, multi-channel data acquisition module;
Described main frame is comprised of 24V Switching Power Supply, data-signal communication module, the 3rd signal line Wiring port and power light; 24V Switching Power Supply is connected with 220V power supply by power lead, and power light is connected in parallel between 24V Switching Power Supply positive terminal and negative pole end; 24V Switching Power Supply positive terminal is connected with the first port of the 3rd signal line Wiring port, 24V Switching Power Supply negative pole end is connected with the second port of the 3rd signal line Wiring port, data-signal communication module anode is connected with the 3rd port of the 3rd signal line terminals, and data-signal communication module negative terminal is connected with the 4th port of the 3rd signal line terminals
Described multi-channel data acquisition module is comprised of data collecting card, first signal winding displacement Wiring port, secondary signal winding displacement Wiring port, pilot lamp, connecting terminal block, connecting terminal block is connected with pilot lamp, and pilot lamp is connected with data collecting card, data collecting card 24V anode respectively with the first port of first signal winding displacement Wiring port, the first port of secondary signal winding displacement Wiring port is connected, data collecting card 24V negative terminal respectively with the second port of first signal winding displacement Wiring port, the second port of secondary signal winding displacement Wiring port is connected, data collecting card anode respectively with the 3rd port of first signal winding displacement Wiring port, the 3rd port of secondary signal winding displacement Wiring port is connected, data collecting card negative terminal respectively with the 4th port of first signal winding displacement Wiring port, the 4th port of secondary signal winding displacement Wiring port is connected, connecting terminal block is connected with temperature humidity switch two ends to be examined and determine,
Can plug signal line one end and insert the 3rd signal line Wiring port of main frame, the other end inserts first signal winding displacement Wiring port or the secondary signal winding displacement Wiring port of multi-channel data acquisition module.
2. the full-automatic calibration method of hyperchannel temperature humidity switch, is characterized in that:
The content of calibrating comprises: the temperature humidity value while detecting temperature humidity switch action, and the temperature humidity value while detecting temperature humidity switch recovery, calculates action humiture error, calculates and recovers humiture error;
By the upper computer software of installing on PC, a temperature humidity range is set, the temperature and humidity in computing machine auto-control constant temperature humidity chamber slowly changes the humiture value in constant temperature humidity chamber in setting range;
By the temperature and humidity value in dew point hygrometer Real-time Collection constant temperature humidity chamber, and the data that collect are uploaded to upper computer software in real time process, multi-channel data acquisition unit gathers the switching value signal of temperature humidity switch under corresponding humiture environment, and the signal collecting is uploaded to upper computer software processes; When upper computer software receives the switching value signal intensity that multi-channel data acquisition unit uploads, automatically record the temperature and humidity value in the current constant temperature humidity chamber being collected by dew point hygrometer;
By upper computer software, the humiture number of times of up stroke is from low to high set, the number of times of down stroke from high in the end, make humiture in constant temperature humidity chamber carry out respective change, humiture value when temperature humidity switch moves when upper computer software is recorded each up stroke automatically, humiture value when each down stroke temperature humidity switch recovers is gone forward side by side, and humiture error is made in action, recovery humiture error is calculated.
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| CN201410005474.5A CN103712789A (en) | 2014-01-03 | 2014-01-03 | Full-automatic multi-channel temperature and humidity switch calibrating device and method |
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| CN201410005474.5A CN103712789A (en) | 2014-01-03 | 2014-01-03 | Full-automatic multi-channel temperature and humidity switch calibrating device and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105786039A (en) * | 2014-12-23 | 2016-07-20 | 福建宁德核电有限公司 | Device and method for calibrating humidity switch |
| CN107764861A (en) * | 2017-09-30 | 2018-03-06 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of bearing calibration of highlands dew point hygrometer |
| 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 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105786039A (en) * | 2014-12-23 | 2016-07-20 | 福建宁德核电有限公司 | Device and method for calibrating humidity switch |
| CN105786039B (en) * | 2014-12-23 | 2017-08-25 | 福建宁德核电有限公司 | A kind of humidity switch calibrating installation and method |
| CN107764861A (en) * | 2017-09-30 | 2018-03-06 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of bearing calibration of highlands dew point hygrometer |
| 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 |
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Application publication date: 20140409 |