CN103512641A - Automatic quality measurement system in constant temperature and humidity box - Google Patents
Automatic quality measurement system in constant temperature and humidity box Download PDFInfo
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- CN103512641A CN103512641A CN201310507448.8A CN201310507448A CN103512641A CN 103512641 A CN103512641 A CN 103512641A CN 201310507448 A CN201310507448 A CN 201310507448A CN 103512641 A CN103512641 A CN 103512641A
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Abstract
The invention relates to an automatic quality measurement system in a constant temperature and humidity box. A plurality of sample trays are arranged in the constant temperature and humidity box; a force sensor is arranged inside each sample tray. The constant temperature and humidity box comprises a control module, a data acquisition module, a computation module and a display and alarm module, wherein the data acquisition module collects the data of the force sensors and transmits the data to the control module according to instructions of the control module; the control module controls the measurement channels of the force sensors to measure quality, and stores the multi-measurement time and corresponding measurement quality into a memory; the computation module takes measurement data in real time and judges conditions; after the control module transmits the measured force sensor No. to the display and alarm module, the display and alarm module displays the corresponding force sensor No. and raises the alarm. According to the invention, the detection time is saved, the regulating process is controlled automatically, alarm reminding and display are achieved, the states of all samples are absolutely clear, and the operation is convenient.
Description
Technical field
The invention belongs to automation control area, relate in particular to a kind of for quality automatic measurement system in climatic chamber.
Background technology
Before building materials fire protection, combustibility test, test specimen need be tested corresponding statutory standards according to this and carry out status adjustment (temperature, humidity), makes to test representative and reappearance.Existing its duty of adopted measuring method: adopt constant temperature humidity chamber, electronic balance, crystal clock, staff needs in the process regulating every kind of sample repeatedly from taking-up electronic balance weighing in constant temperature humidity chamber, time is come regularly artificial by crystal clock, personal error is larger; After each weighing, related personnel needs data to arrange calculating, and personnel's workload is large; Corresponding personnel need weigh sample on time, have strengthened personnel's workload.Because of above-mentioned reason, newly to sample, need together regulate at time and other samples of appointment, can not regulate at any time, regulate efficiency extremely low.
Summary of the invention
It is a kind of for quality automatic measurement system in climatic chamber that technical matters to be solved by this invention is to provide, and is intended to realize the automatic measurement of sample, reduces the error of manual measurement.
The present invention is achieved in that and a kind ofly for quality automatic measurement system in climatic chamber, a plurality of sample carriers is set in climatic chamber, and in each sample carrier, be provided with force cell, this system comprises:
Control module, control module connection arranges module, by module is set, desired treatment temp is set and processes humidity;
Data acquisition module, the input end of described data acquisition module is connected with a plurality of force cells, and calibration initialization force cell gather force cell and data are passed to control module according to the indication of control module;
In the holder of control module judgement sample, whether the initial mass of force cell measurement sample is greater than zero, and start timing by built-in clock, initial mass is not record of zero sample, and corresponding force cell is measured to pathway closure, there is the sample record initial mass of initial mass and be labeled as M
t0, after measurement, close corresponding force cell;
Control module is sent measurement instruction every 1h to data acquisition module, and the measurement passage of opening force cell carries out measurement quality, and control module is stored to the time of repeatedly measuring in storer with corresponding measurement quality;
Computing module, computing module is transferred the measurement data in storer in real time, and the data that are greater than to 24 hours the time judge according to following formula: judgement
whether set up, in formula, △ m represents certain T(h constantly that the time is greater than 24 hours) sample quality with T-24 hour before the ropy absolute value of sample quality of any certain moment t (h), n represents T (h) and the constantly mistiming between t (h) constantly, m (t) represents the sample quality of any certain moment t (h) before T-24 hour, and unit is g;
As moment T(h) sample quality and before T-24 hour any certain constantly the ropy absolute value of the sample quality of t (h) meet
time, computing module sends information to control module, and control module is closed the measurement passage of corresponding force cell by data acquisition module;
Show and alarm module, control module by measure complete force cell numbering pass to show with alarm module after, show with alarm module and show that corresponding force cell numbers and give the alarm.
Further, when
while being false, control module continues by the quality signal of data collecting module collected force cell.
The thermostatic constant wet chamber that multilayer is independently controlled is set in this climatic chamber, and each constant temperature and humidity is indoor arranges a plurality of sample carriers, in each sample carrier, is provided with force cell.
Compared with prior art, beneficial effect is in the present invention:
Sample no longer takes out after putting into test, (repeatedly take out and the weigh) impact on regulating effect of cutting down the number of intermediate links.After sample, can regulate in time, increase work efficiency, the very first time can be pointed out and regulated, and has saved the time of detecting.Adjustment process control automatically, alarm and demonstration, each sample adjustment state is very clear, easy to operate.
Sample can put into that constant temperature and humidity is indoor to be regulated at any time, and does not affect the adjusting of the indoor sample of other constant temperature and humidities.
Accompanying drawing explanation
Fig. 1 is the module frame chart that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, a kind of for quality automatic measurement system in climatic chamber, for measuring under constant temperature and humidity condition, under the temperature and humidity condition of setting, it is constant that sample quality reaches, a plurality of sample carriers are set in climatic chamber, in each sample carrier, be provided with force cell, the climatic chamber adopting is conventional on the market constant temperature and humidity box structure, this system comprises control module, data acquisition module, control module, computing module and demonstration and alarm module: data acquisition module is connected force cell, the simulating signal gathering by force cell is converted into digital signal transfers to control module, control module connection arranges module, by module is set, is set the sample preparation time, desired treatment temp, process humidity, the input end of data acquisition module is connected with a plurality of force cells, and calibration initialization force cell gather force cell and data are converted into digital signal transfers to control module according to the indication of control module.
In the holder of control module judgement sample, whether the initial mass of force cell measurement sample is greater than zero, and start timing by built-in timing module, initial mass is not record of zero sample, and corresponding force cell is measured to pathway closure, there is the sample record initial mass of initial mass and be labeled as M
t0, after measurement, close corresponding force cell, control module is sent measurement instruction every 1h to data acquisition module, and the measurement passage of opening the non-vanishing force cell of initial mass carries out measurement quality; Control module is Measuring Time and measurement quality storage repeatedly; Control module is sent instruction to computing module simultaneously, computing module is transferred up-to-date data in real time, up-to-date measurement quality is labeled as to m (T), the measurement quality of 24 hours of being greater than of up-to-date Measuring Time is labeled as to m (t), according to following formula, judge: judgement
whether set up, in formula, △ m represents certain T(h constantly that the time is greater than 24 hours) sample quality m (T) with T-24 hour before any certain ropy absolute value of the sample quality m (t) of t (h) constantly, n represents T (h) and the constantly mistiming between t (h) constantly, mistiming is minimum is 24 hours, m (t) represents the sample quality of any certain moment t (h) before T-24 hour, unit is g, during calculating, certain moment T(h that time is greater than 24 hours) compare judgement with the interval data of 1 hour that from initial time are zero beginning respectively, as long as detect sometime
computing module stops the calculating of institute's respective sensor and sends information to control module, and control module is closed the measurement passage of corresponding force cell by data acquisition module; Control module by measure complete force cell numbering pass to show with alarm module after, show with alarm module and show that corresponding force cell numbers and give the alarm.
In the present invention, also can arrange and start the time that computing module starts calculating, for example, be arranged to 48 hours, when the sample preparation time reaches 48 hours, computing module starts to judge calculating.
Claims (3)
1. for a quality automatic measurement system in climatic chamber, a plurality of sample carriers are set in climatic chamber, in each sample carrier, are provided with force cell, it is characterized in that, this system comprises:
Control module, control module is connected with module is set, and by module is set, desired treatment temp is set and processes humidity;
Data acquisition module, the input end of described data acquisition module is connected with a plurality of force cells, and calibration initialization force cell gather force cell and data are passed to control module according to the indication of control module;
In the holder of control module judgement sample, whether the initial mass of force cell measurement sample is greater than zero, and start timing by built-in clock, initial mass is not record of zero sample, and corresponding force cell is measured to pathway closure, there is the sample record initial mass of initial mass and be labeled as Mt0, after measurement, closing corresponding force cell;
Control module is sent measurement instruction every 1h to data acquisition module, and the measurement passage of opening force cell carries out measurement quality, and control module is stored to the time of repeatedly measuring in storer with corresponding measurement quality;
Computing module, computing module is transferred the measurement data in storer in real time, and the data that are greater than to 24 hours the time judge according to following formula: judgement
whether set up, in formula, △ m represents certain T(h constantly that the time is greater than 24 hours) sample quality m (T) with T-24 hour before any certain ropy absolute value of the sample quality m (t) of t (h) constantly, n represents T (h) and the constantly mistiming between t (h) constantly, m (t) represents the sample quality of any certain moment t (h) before T-24 hour, and unit is g;
As moment T(h) sample quality and before T-24 hour any certain constantly the ropy absolute value of the sample quality of t (h) meet
time, computing module sends information to control module, and control module is closed the measurement passage of corresponding force cell by data acquisition module;
Show and alarm module, control module by measure complete force cell numbering pass to show with alarm module after, show with alarm module and show that corresponding force cell numbers and give the alarm.
2. according to claimed in claim 1, for quality automatic measurement system in climatic chamber, it is characterized in that, when
while being false, control module continues by the quality signal of data collecting module collected force cell.
According to claimed in claim 1 for quality automatic measurement system in climatic chamber, it is characterized in that, the thermostatic constant wet chamber that multilayer is independently controlled is set in this climatic chamber, and each constant temperature and humidity is indoor arranges a plurality of sample carriers, in each sample carrier, is provided with force cell.
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| CN201310507448.8A CN103512641B (en) | 2013-10-21 | 2013-10-21 | A kind of for quality automatic measurement system in climatic chamber |
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| CN201310507448.8A CN103512641B (en) | 2013-10-21 | 2013-10-21 | A kind of for quality automatic measurement system in climatic chamber |
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| CN103512641B CN103512641B (en) | 2016-02-10 |
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Cited By (3)
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| CN109947158A (en) * | 2019-03-27 | 2019-06-28 | 深圳市元秦生物科技有限公司 | A kind of constant temperature timing detection all-in-one machine |
| CN110266405A (en) * | 2019-05-10 | 2019-09-20 | 珠海格力电器股份有限公司 | Device talk deviation of signal detection system |
| CN113984172A (en) * | 2021-10-20 | 2022-01-28 | 干霸干燥剂(深圳)有限公司 | Weighing method, system, device and computer readable storage medium |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2939137B2 (en) * | 2021-10-19 | 2023-08-23 | Univ Del Pais Vasco / Euskal Herriko Unibertsitatea | TESTING APPARATUS FOR DYNAMIC MEASUREMENT OF MOISTURE TRANSPORT AND STORAGE PROPERTIES IN POROUS MATERIALS |
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| CN103512641B (en) | 2016-02-10 |
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