CN104460788A - Constant temperature and constant humidity deformeter - Google Patents
Constant temperature and constant humidity deformeter Download PDFInfo
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- CN104460788A CN104460788A CN201410658023.1A CN201410658023A CN104460788A CN 104460788 A CN104460788 A CN 104460788A CN 201410658023 A CN201410658023 A CN 201410658023A CN 104460788 A CN104460788 A CN 104460788A
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Abstract
The invention discloses a constant temperature and constant humidity deformeter. Detection equipment is arranged over materials to be tested, a side wall of an integrity formed by a square transparent closed box and a water storage tank is a cuboid side wall provided with a cavity, and an air heater, an air condenser and a gas temperature sensor are connected to the upper end of the cuboid side wall provided with the cavity respectively. Compared with the prior art, by the adoption of the design scheme, the constant temperature and constant humidity deformeter has the advantages that a saturated solution of used inorganic salt is easy to prepare and can be prepared and used repeatedly; a used electronic micrometer gauge is fixed to the outer side of a constant temperature and constant humidity box, a probe of the electronic micrometer gauge makes contact with the materials to be tested, wherein the materials to be tested are located on the inner side of the constant temperature and constant humidity box, and therefore real-time in-situ monitoring on deformation of the materials to be tested at the set temperature and humidity can be achieved. The constant temperature and constant humidity deformeter is high in accuracy, good in repeatability and capable of performing real-time in-situ monitoring.
Description
Technical field
The present invention relates to a kind of analyzer, particularly relate to a kind of constant temperature and humidity deformeter.
Background technology
For the Inorganic Non-metallic Materials of most of porous, such as gypsum, cement concrete etc., be easy to, because the change of temperature in its environment for use or humidity causes the change of material own dimensions, namely be out of shape.Therefore develop a kind of instrument that can measure material and be out of shape under setting temperature/damp condition, will wide market outlook be had.
At present, following two kinds of methods are usually adopted to realize the mensuration of being out of shape under setting temperature/humidity material in laboratory.Method one: first using deformation measurement testing of equipment material test specimen original dimension, then test specimen is put into climatic chamber, after the temperature and humidity needed for setting, maintenance is carried out to test specimen, take out and repetition measurement to the stipulated time, determining front and back distortion by calculating.Method two: use large-scale climatic chamber or constant temperature and humidity room, first set temperature required and and humidity, then deformation measurement equipment is put into large-scale climatic chamber or constant temperature and humidity room, and after test specimen to be measured is loaded deformation measurement equipment to stipulated time, record deformation data.
For method one, test specimen is when taking out, and the probe temperature residing for it and humidity there occurs change, and be difficult to again accurately location during repetition measurement, its measuring accuracy must be had a greatly reduced quality; Meanwhile, test specimen, taking out, in the process testing and put back to, easily causes the damage of test specimen, also certainly will affect measuring accuracy; Visible the method, testing process is loaded down with trivial details, measuring accuracy is low and cannot realize the original position of material and real-time deformation monitoring.For method two, although simple original position and the real-time deformation monitoring that also can realize material of its testing process, but large-scale climatic chamber/room cost is very high, and high humidity environment easily causes the electronic component surveyed in deformation tester to make moist, or low temperature or hot environment also easily affect serviceability and the precision of electronic component; , there is the shortcoming that with high costs, easy damaged deformation measurement equipment and precision are difficult to ensure in visible the method.
In addition, above-mentioned two kinds of methods, all depend on traditional climatic chamber or constant temperature and humidity room, and this equipment forms primarily of temperature control (heat, freeze) unit, humidifying equipment (comprising humidifier) and circulating fan three part.Three part collaborative works, realize effective control of box interior temperature and humidity; But the especially large-scale constant temperature and humidity system of this constant temperature and humidity system, because cavity space is larger, airflow circulating is bad, humiture space is uneven and fluctuation is larger, such as under normal circumstances, the error of the humidity about 10% that the temperature fluctuation of 0.5 degree Celsius can cause in case, is difficult to the accurate control realizing humidity; In addition, because the deformation time of material is usually longer, therefore the cycle of this experiment is long, and the experiment of single group need take single climatic chamber/room for a long time, causes equipment turnover rate and utilization factor extremely low, and produces huge energy consumption.
Summary of the invention
In order to use when solving constant temperature and humidity deformation measurement in prior art, climatic chamber cost intensive, energy consumption are high, poor reliability and be difficult to realize the technical matterss such as the real-time Accurate Measurement of material in situ, the invention provides that a kind of structure is simple, easy to operate, with low cost, precision is high, energy consumption is low, good reliability can the constant temperature and humidity deformeter of original position the real time measure.
The present invention is achieved in that a kind of constant temperature and humidity deformeter, and it comprises transparent prismatic sealed casing, aqua storage tank, bar shaped support, detected materials, checkout equipment, circulating fan, condensation heating control module, liquid heater, liquid condenser, temperature sensor, air heater, aerial condenser, gas temperature sensor, it is characterized in that: the bottom of described transparent prismatic sealed casing is provided with aqua storage tank, one sidewall of described aqua storage tank and a sidewall of this casing form one, and the sidewall of aqua storage tank and this casing can together be extracted out in transparent prismatic sealed casing, bar shaped support is provided with between two side in described transparent prismatic sealed casing, on bar shaped support, fixed placement has several detected materials, just checkout equipment is provided with to the top of detected materials, described transparent prismatic sealed casing and aqua storage tank shape all-in-one-piece sidewall are a rectangular parallelepiped sidewall with cavity, described in there is the rectangular parallelepiped sidewall of cavity upper end be connected with air heater respectively, aerial condenser and gas temperature sensor, described in there is the rectangular parallelepiped sidewall of cavity lower end be connected with liquid heater respectively, liquid condenser and temperature sensor, described liquid heater, liquid condenser, temperature sensor, air heater, aerial condenser and gas temperature sensor access condensation heating control module.
The two side of described transparent prismatic sealed casing is connected with circulating fan respectively.
Described transparent prismatic sealed casing and bar shaped support are made up of acid and alkali-resistance material.
Described aqua storage tank is that acid and alkali-resistance material is made, and installs some pulleys, to facilitate movement bottom it.
The data gathering system of described checkout equipment or instrument need be revealed and put outside casing, so that image data effectively prevent instrument electronic device to be subject to the erosion of saturated salt steam; And the probe of deformeter need stretch into casing, and contact with test test specimen.
Described checkout equipment is permillage, electronic dial gauge, displacement meter, laser range finder.
Described aqua storage tank can install several pulleys.
Saturated salt solution used can be configured according to existing national standards.
Humidity in climatic chamber is provided at a certain temperature by the saturated salt solution configured in casing inner storing water groove and is ensured, the difference that humidity range can be provided to use inorganic salts according to institute (but is roughly the reliability of guarantee humidity in the relative humidity interval of 4% to 98%, the saturated salt solution configured should keep the salt of 30%-90% not to be dissolved in the water, and must ensure that casing top to the height of aqua storage tank free surface must not be greater than 1.5 times of the minimum one dimension length of side of free surface in aqua storage tank simultaneously); Temperature is by being arranged on side door and going deep into box heater, condenser and temperature sensor Collaborative Control; Meanwhile, inwall installs circulating fan, to ensure the homogeneity of humiture space distribution.A sample holder is placed on bottom climatic chamber but the top of water storage inside groove, support is fixed test specimen to be measured, the top of test specimen and the probe contacts of electronic dial gauge.
The optional electronic dial gauge of deformeter is to realize the original position the real time measure of material, and this clock gauge is fixed on constant temperature and humidity box top, and puts outside case by instrument dew, is convenient to connection data record and treatment facility, and probe gos deep into also can contact measured test specimen in case.
Compared with prior art, adopt design proposal of the present invention, following technique effect can be reached:
1, under certain temperature and pressure, the relative humidity of the saturated solution of salt is constant.Temperature is within 5 degrees Celsius, and the variation range of humidity can not exceed ± 1%.Can find out that the humidity of saturated salt solution is to temperature-insensitive.The inorganic salts used, its saturated solution is easy to preparation, and can repeat preparation and use, this makes this device be that a kind of precision is high, the constant temperature and humidity deformeter of favorable repeatability.
2, above-mentioned constant temperature and humidity deformeter, it also comprises the device electronic dial gauge carrying out surveying distortion, the precision of electronic dial gauge can reach 0.001mm, the data surveyed can show on screen, record and the transmission of data can also be realized simultaneously, conveniently the real time measure is carried out to material deformation.
3, above-mentioned constant temperature and humidity deformeter, it is the organic combination of climatic chamber and deformeter, and test specimen to be measured is fixed on the specimen holder in climatic chamber, and its deformation test is in-situ test, and method of testing is more reliable.
4, above-mentioned constant temperature and humidity deformeter, it also comprises the device of circulating fan, and during circulating fan work, wind is in the flowing of device inner loop, because climatic chamber cavity is less, easily realizes the humiture homogeneity spatially of inside cavity.
5, above constant temperature and humidity deformeter, it also comprises condensation heating control module, it can the temperature of Real-Time Monitoring and control device inside (comprising salt solusion and saturated vapour), and adjustment that can be effectively suitable to temperature, reduce the error because temperature causes, make humidity be kept constant, test findings is more accurate.
6, above-mentioned constant temperature and humidity deformeter, comprises inorganic salts used due to climatic chamber and measures the clock gauge of distortion, be easy to make or buying, with low cost, can make multiple as required, be convenient to many group experiments carry out simultaneously, be conducive to improving conventional efficient.
7, above-mentioned constant temperature and humidity deformeter, its water storage inside groove and side door are integrated design, its bottom device pulley, are easy to turnover, and are convenient to configuration and the cleaning of saturated salt solution; Side door is empty van again, is convenient to install or maintenance heating-condensing control module; Rear cabinet taken out out by side door is empty, is easy to lay test test specimen; To sum up, this equipment be easy to operation, easy to use.
Accompanying drawing explanation
Fig. 1 is solid figure of the present invention.
Fig. 2 is that the present invention has the rectangular parallelepiped sidewall of cavity and the solid figure of aqua storage tank.
In the drawings, 1, transparent prismatic sealed casing 2, aqua storage tank 3, bar shaped support 4, detected materials 5, checkout equipment 6, circulating fan 7, condensation heating control module, 8, liquid heater 9, liquid condenser 10, temperature sensor 11, air heater 12, aerial condenser 13, gas temperature sensor.
Embodiment
Below in conjunction with accompanying drawing 1,2 and embodiment, this technology is described further.
The present invention realizes like this, the bottom of described transparent prismatic sealed casing 1 is provided with aqua storage tank 2, one sidewall of described aqua storage tank 2 and a sidewall of this casing form one, and the sidewall of aqua storage tank 2 and this casing can together be extracted out in transparent prismatic sealed casing, bar shaped support 3 is provided with between two side in described transparent prismatic sealed casing, on bar shaped support 3, fixed placement has several detected materials 4, just checkout equipment 5 is provided with to the top of detected materials, described transparent prismatic sealed casing and aqua storage tank shape all-in-one-piece sidewall are a rectangular parallelepiped sidewall with cavity, the described upper end with the rectangular parallelepiped sidewall of cavity is connected with air heater 11 respectively, aerial condenser 12 and gas temperature sensor 13, the described lower end with the rectangular parallelepiped sidewall of cavity is connected with liquid heater 8 respectively, liquid condenser 9 and temperature sensor 10, described liquid heater 8, liquid condenser 9, temperature sensor 10, air heater 11, aerial condenser 12 and gas temperature sensor 13 access condensation heating control module 7.The two side of described transparent prismatic sealed casing is connected with circulating fan respectively, utilizes circulating fan to make the temperature and humidity in casing even.Described transparent prismatic sealed casing and bar shaped support are made up of acid and alkali-resistance material.Described aqua storage tank is that acid and alkali-resistance material is made, and installs some pulleys, to facilitate movement bottom it.The data gathering system of described checkout equipment or instrument need be revealed and put outside casing, so that image data effectively prevent instrument electronic device to be subject to the erosion of saturated salt steam; And the probe of deformeter need stretch into casing, and contact with test test specimen.Described checkout equipment is clock gauge, electronic dial gauge, displacement meter, laser range finder.Saturated salt solution used can be configured according to existing national standards.The snap close that around the side door of constant temperature and humidity deformeter, upper installation is some, conveniently can fix side door and in casing, form reliable enclosure space, during circulating fan work, wind is at space internal circulation flow, make its humiture even, well heater, condenser and temperature sensor co-operation are adjustable and control the temperature of saturated salt solution and saturated vapour, and the humidity whereby in regulation and control casing.In addition, be the saturated salt solution that weight is larger due to what hold in inside groove, in the bottom of inside groove 7, four small wheels can be installed, turnover and the cleaning of inside groove can be facilitated.
Claims (7)
1. a constant temperature and humidity deformeter, it comprises transparent prismatic sealed casing, aqua storage tank, bar shaped support, detected materials, checkout equipment, circulating fan, condensation heating control module, liquid heater, liquid condenser, temperature sensor, air heater, aerial condenser, gas temperature sensor, it is characterized in that: the bottom of described transparent prismatic sealed casing is provided with aqua storage tank, one sidewall of described aqua storage tank and a sidewall of this casing form one, and the sidewall of aqua storage tank and this casing can together be extracted out in transparent prismatic sealed casing, bar shaped support is provided with between two side in described transparent prismatic sealed casing, on bar shaped support, fixed placement has several detected materials, just checkout equipment is provided with to the top of detected materials, described transparent prismatic sealed casing and aqua storage tank shape all-in-one-piece sidewall are a rectangular parallelepiped sidewall with cavity, described in there is the rectangular parallelepiped sidewall of cavity upper end be connected with air heater respectively, aerial condenser and gas temperature sensor, described in there is the rectangular parallelepiped sidewall of cavity lower end be connected with liquid heater respectively, liquid condenser and temperature sensor, described liquid heater, liquid condenser, temperature sensor, air heater, aerial condenser and gas temperature sensor access condensation heating control module.
2. constant temperature and humidity deformeter according to claim 1, is characterized in that: the two side of transparent prismatic sealed casing is connected with circulating fan respectively.
3. constant temperature and humidity deformeter according to claim 1, is characterized in that: transparent prismatic sealed casing and bar shaped support are made up of acid and alkali-resistance material.
4. constant temperature and humidity deformeter according to claim 1, is characterized in that: described aqua storage tank is that acid and alkali-resistance material is made, and installs some pulleys, to facilitate movement bottom it.
5. constant temperature and humidity deformeter according to claim 1, is characterized in that: the data gathering system of described checkout equipment or instrument need be revealed and put outside casing, so that image data effectively prevent instrument electronic device to be subject to the erosion of saturated salt steam; And the probe of deformeter need stretch into casing, and contact with test test specimen.
6. constant temperature and humidity deformeter according to claim 1, is characterized in that: described checkout equipment is clock gauge, electronic dial gauge, displacement meter, laser range finder etc.
7. constant temperature and humidity deformeter according to claim 1, is characterized in that: described aqua storage tank can install several pulleys.
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| CN201410658023.1A CN104460788B (en) | 2014-11-18 | 2014-11-18 | Constant temperature and constant humidity deformeter |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106234260A (en) * | 2016-08-31 | 2016-12-21 | 北京依科世福科技有限公司 | A kind of bee larvae hatching test device and construction method |
| CN107328922A (en) * | 2017-08-28 | 2017-11-07 | 哈尔滨工业大学 | The test device that foam concrete volume is deformed under the conditions of a kind of steam curing |
| CN108507939A (en) * | 2018-03-27 | 2018-09-07 | 河海大学 | A kind of real-time measurement apparatus and its measurement method of the variation of temperature and humidity control cement-based material length |
| CN108956960A (en) * | 2018-04-03 | 2018-12-07 | 河海大学 | Sulfate drying and watering cycle acts on the real-time measurement apparatus and method of lower cement-based material piece lengths variation |
| CN109458925A (en) * | 2019-01-04 | 2019-03-12 | 中南大学 | Deformation dynamics test device and method of the cement-based material during thermal curing |
| CN114252387A (en) * | 2021-07-12 | 2022-03-29 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Concrete test device and method considering influence of plateau strong radiation |
| CN114878793A (en) * | 2022-05-16 | 2022-08-09 | 中南大学 | Environmental simulation device for concrete shrinkage deformation test in plateau complex coupling environment |
| CN116736916A (en) * | 2023-08-11 | 2023-09-12 | 中国电建集团华东勘测设计研究院有限公司 | Soil deformation and soil-water characteristic test device under single saline solution humidity control |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106234260A (en) * | 2016-08-31 | 2016-12-21 | 北京依科世福科技有限公司 | A kind of bee larvae hatching test device and construction method |
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| CN109458925A (en) * | 2019-01-04 | 2019-03-12 | 中南大学 | Deformation dynamics test device and method of the cement-based material during thermal curing |
| CN109458925B (en) * | 2019-01-04 | 2020-08-14 | 中南大学 | Dynamic deformation testing method for cement-based material in thermal curing process |
| CN114252387A (en) * | 2021-07-12 | 2022-03-29 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Concrete test device and method considering influence of plateau strong radiation |
| CN114878793A (en) * | 2022-05-16 | 2022-08-09 | 中南大学 | Environmental simulation device for concrete shrinkage deformation test in plateau complex coupling environment |
| CN116736916A (en) * | 2023-08-11 | 2023-09-12 | 中国电建集团华东勘测设计研究院有限公司 | Soil deformation and soil-water characteristic test device under single saline solution humidity control |
| CN116736916B (en) * | 2023-08-11 | 2023-10-20 | 中国电建集团华东勘测设计研究院有限公司 | Soil deformation and soil-water characteristic test device under single saline solution humidity control |
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