CN104569048A - Air humidity measuring device - Google Patents
Air humidity measuring device Download PDFInfo
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- CN104569048A CN104569048A CN201410811020.7A CN201410811020A CN104569048A CN 104569048 A CN104569048 A CN 104569048A CN 201410811020 A CN201410811020 A CN 201410811020A CN 104569048 A CN104569048 A CN 104569048A
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- air humidity
- bulb thermometer
- protective cover
- thermometer
- sensor
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Abstract
The invention relates to the technical field of monitoring environmental temperature and humidity, and discloses an air humidity measuring device. The air humidity measuring device comprises a protective cover, a dry bulb thermometer, a wet bulb thermometer, a blower, a processor and a CO2 sensor, wherein the dry bulb thermometer, the wet bulb thermometer and the blower are arranged inside the protective cover, and the processor and the CO2 sensor are arranged outside the protective cover; a fabric soaked with water is wrapped on a thermometer bulb of the wet bulb thermometer, and the lower end of the fabric is soaked in a water containing bottle containing water; the blower is arranged corresponding to the dry bulb thermometer and the wet bulb thermometer; and the dry bulb thermometer, the wet bulb thermometer, the blower and the CO2 sensor are connected with the processor respectively. According to the air humidity measuring device provided by the invention, the protective cover is used, so that the phenomenon of condensation is reduced, and the influence of the condensation on measurement is also reduced; an air humidity sensor is improved by adopting a dry-wet bulb measuring method, so that the measurement accuracy of the air humidity is improved; and meanwhile, the blower is arranged inside the sensor according to the design of the air humidity measuring device provided by the invention to enhance ventilation, thereby ensuring the measurement accuracy.
Description
Technical field
The present invention relates to ambient temperature and humidity monitoring technical field, particularly relate to a kind of air humidity measurement mechanism, particularly one can measure air humidity under high humidity environment, and measures the air humidity measurement mechanism of other parameters simultaneously.
Background technology
Humidity represents that air does the physical quantity of wet degree, is the yardstick representing that water vapor in air content is how many.Air themperature humidity is the key parameter that the contour wet situation in greenhouse, mushroom room and preservation by low temperature storehouse needs to control.At present; electronic type hygrometer cannot realize the high-acruracy survey of air themperature under high humidity environment; often can there is the phenomenon lost efficacy when not using protective cover because of condensation, and have the insensitive phenomenon of appearance reaction because humidity is higher when using protective cover.And need other parameters of independent measurement, use inconvenience.
In view of the defect of above-mentioned prior art, need to provide one can measure air humidity under high humidity environment, and measure the air humidity measurement mechanism of other parameters simultaneously.
Summary of the invention
(1) technical matters that will solve
The technical problem to be solved in the present invention is the high-acruracy survey that existing electronic type hygrometer cannot realize air themperature under high humidity environment; often can there is the phenomenon lost efficacy when not using protective cover because of condensation, and have the insensitive phenomenon of appearance reaction because humidity is higher when using protective cover.And need other parameters of independent measurement, inconvenient problem with use.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of air humidity measurement mechanism.This air humidity measurement mechanism comprises: protective cover, is arranged at the dry bulb thermometer in protective cover, wet bulb thermometer and blower fan, and the processor be arranged at outside protective cover and CO
2sensor; The thermometer bulb of described wet bulb thermometer is surrounded by the fabric of soakage water, what the immersion of fabric lower end was filled with water is filled with water in bottle, and described blower fan corresponds to described dry-bulb temperature and takes into account wet bulb thermometer setting, described dry bulb thermometer, wet bulb thermometer, blower fan and CO
2sensor is connected with described processor respectively.
Wherein, also comprise the optical sensor be arranged at outside described protective cover, described optical sensor is connected with described processor.
Wherein, described protective cover is outside equipped with waterproof ventilative layer.
Wherein, also comprise the interface be connected with described processor, described processor is connected with host computer by described interface.
Wherein, described interface arranged outside has layer of silica gel.
Wherein, also comprise the frequency converter be connected with described blower fan, described frequency converter is connected with described processor.
Wherein, the power supply be connected with described processor is also comprised.
Wherein, described fabric is gauze.
(3) beneficial effect
Technique scheme tool of the present invention has the following advantages: in air humidity measurement mechanism provided by the invention wet bulb thermometer thermometer bulb on be surrounded by the fabric of soakage water, what the immersion of fabric lower end was filled with water is filled with water in bottle, blower fan corresponds to dry-bulb temperature and takes into account wet bulb thermometer setting, dry bulb thermometer, wet bulb thermometer, blower fan and CO
2sensor is connected with processor respectively.Employ protective cover in air humidity measurement mechanism provided by the invention, reduce the generation of dew condensation phenomenon, reduce condensation to the impact of measuring; Have employed wet and dry bulb measuring method to improve air humidity sensor, improve the measurement accuracy of air humidity; The present invention simultaneously designs internal fan in the sensor, adds the accuracy that forced ventilation is guaranteed to measure.
Accompanying drawing explanation
Fig. 1 is the model calling schematic diagram of embodiment of the present invention air humidity measurement mechanism;
Fig. 2 is the structural representation of embodiment of the present invention air humidity measurement mechanism.
In figure: 1: protective cover; 2: dry bulb thermometer 3: wet bulb thermometer; 4: blower fan; 5: gauze; 6: be filled with water bottle; 7: interface; 8: processor; 9:CO
2sensor; 10: optical sensor; 11: power supply.
Embodiment
In describing the invention, except as otherwise noted, the implication of " multiple " is two or more; Term " on ", D score, "left", "right", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the machine of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
As depicted in figs. 1 and 2, the air humidity measurement mechanism that the embodiment of the present invention provides comprises: protective cover 1, is arranged at dry bulb thermometer 2 in protective cover 1 and wet bulb thermometer 3 and blower fan 4, and the processor 8 be arranged at outside protective cover 1 and CO
2sensor 9; The thermometer bulb of wet bulb thermometer 3 is surrounded by the fabric of soakage water, what the immersion of fabric lower end was filled with water is filled with water in bottle 6, and in the present embodiment, fabric is gauze 5.Blower fan 4 corresponds to dry bulb thermometer 2 and wet bulb thermometer 3 is arranged, and namely blower fan 4 is right against dry bulb thermometer 2 and wet bulb thermometer 3 is arranged.Dry bulb thermometer 2, wet bulb thermometer 3, blower fan 4 and CO
2sensor 9 is connected with the input end of processor 8 respectively, CO
2sensor 9 is for measuring the CO in air
2concentration.
In the embodiment of the present invention, dry bulb thermometer 2 is for directly measuring residing environment temperature, and wet bulb thermometer 3 is owing to being surrounded by the fabric of soakage water, and the moisture content being attached to wet bulb surface constantly evaporates, draw wet bulb heat, wet-bulb temperature is reduced, and the humidity value of environment is less, evaporates rapider.The relative humidity of environment is represented by the temperature difference of dry bulb thermometer 2 and wet bulb thermometer 3.According to dry-bulb temperature, wet-bulb depression, lists relative humidity table, can from reading humidity value of tabling look-up.And adopt blower fan 4 pairs of dry bulb thermometers 2 and wet bulb thermometer 3 to produce air flowing, add the accuracy that forced ventilation is guaranteed to measure.In Measurement accuracy air humidity under high humidity environment, and can measure CO in air simultaneously
2concentration.
In the present embodiment, also comprise the optical sensor 10 be arranged at outside protective cover 1, optical sensor 10 is for measuring illumination, and optical sensor 10 is connected with processor 8, can by parameter transmission to processor 8.Also the different parameters can measured according to demand adds different sensors, is not limited only to optical sensor 10.
Also comprise the frequency converter be connected with blower fan 4 in the present embodiment, frequency converter is connected with processor 8.The wind speed that frequency converter can adjust blower fan is set, thus controls the wind speed in protective cover 1.Also comprise the power supply 11 be connected with processor 8 in the present embodiment, the interface 7 be connected with processor 8, processor 8 is connected with host computer by interface 7.Dry bulb thermometer 2, wet bulb thermometer 3, CO
2data input is managed in device 8 by sensor and optical sensor 10, and processor 8 controls blower fan 4 and starts.The exposed metal/bare metal portion of interface 7 scribbles silica gel, avoids moisture to infiltrate.
When air humidity measurement mechanism system of the present invention uses: protective cover 1 can prevent condensation from producing, check the water that is filled with water in bottle 5 whether meet the demands and the fabric of soakage water on wet bulb thermometer thermometer bulb whether suitable, then the power supply of blower fan 4 is connected, starter gear, the frequency of blower fan 4 is changed by frequency converter, mean wind speed in protective cover 1 is controlled a certain air speed value between 3 ~ 5m/s, after system stability, read reading that is dry, wet bulb thermometer respectively.CO simultaneously outside protective cover 1
2sensor 9 and optical sensor 10 measure other parameters respectively, and are presented on host computer.
In sum, the present invention has the following advantages: in air humidity measurement mechanism provided by the invention wet bulb thermometer thermometer bulb on be surrounded by the fabric of soakage water, what the immersion of fabric lower end was filled with water is filled with water in bottle, blower fan corresponds to dry-bulb temperature and takes into account wet bulb thermometer setting, dry bulb thermometer, wet bulb thermometer, blower fan and CO
2sensor is connected with processor respectively.Employ protective cover in air humidity measurement mechanism provided by the invention, reduce the generation of dew condensation phenomenon, reduce condensation to the impact of measuring; Have employed wet and dry bulb measuring method to improve air humidity sensor, improve the measurement accuracy of air humidity; The present invention simultaneously designs internal fan in the sensor, adds the accuracy that forced ventilation is guaranteed to measure.
Further, protective cover appearance is provided with waterproof ventilative layer, the more effective formation decreasing condensation in protective cover.
Above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
1. an air humidity measurement mechanism, it is characterized in that, comprise: protective cover (1), be arranged at the dry bulb thermometer (2) in protective cover (1), wet bulb thermometer (3) and blower fan (4), and be arranged at protective cover (1) processor outward (8) and CO
2sensor (9); The thermometer bulb of described wet bulb thermometer (3) is surrounded by the fabric of soakage water, fabric lower end is immersed in the bottle that is filled with water (6) be filled with water, described blower fan (4) is arranged corresponding to described dry bulb thermometer (2) and wet bulb thermometer (3), described dry bulb thermometer (2), wet bulb thermometer (3), blower fan (4) and CO
2sensor (9) is connected with described processor (8) respectively.
2. air humidity measurement mechanism according to claim 1, it is characterized in that: also comprise and be arranged at described protective cover (1) optical sensor outward (10), described optical sensor (10) is connected with described processor (8).
3. air humidity measurement mechanism according to claim 1, is characterized in that: described protective cover (1) is outside equipped with waterproof ventilative layer.
4. air humidity measurement mechanism according to claim 1, it is characterized in that: also comprise the interface (7) be connected with described processor (8), described processor (8) is connected with host computer by described interface (7).
5. air humidity measurement mechanism according to claim 4, is characterized in that: described interface (7) arranged outside has layer of silica gel.
6. air humidity measurement mechanism according to claim 1, is characterized in that: also comprise the frequency converter be connected with described blower fan (4), described frequency converter is connected with described processor (8).
7. air humidity measurement mechanism according to claim 1, is characterized in that: also comprise the power supply (11) be connected with described processor (8).
8. air humidity measurement mechanism according to claim 7, is characterized in that: described fabric is gauze (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410811020.7A CN104569048A (en) | 2014-12-23 | 2014-12-23 | Air humidity measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410811020.7A CN104569048A (en) | 2014-12-23 | 2014-12-23 | Air humidity measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104569048A true CN104569048A (en) | 2015-04-29 |
Family
ID=53085611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410811020.7A Pending CN104569048A (en) | 2014-12-23 | 2014-12-23 | Air humidity measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104569048A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067661A (en) * | 2020-09-16 | 2020-12-11 | 广东电网有限责任公司电力科学研究院 | High-temperature detection equipment and method for workplace |
| CN116225109A (en) * | 2022-11-23 | 2023-06-06 | 南通凯大纺织有限公司 | Yarn moisture regain control method and system |
-
2014
- 2014-12-23 CN CN201410811020.7A patent/CN104569048A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| 蔡春丽 等: "高精干湿球湿度传感器的设计", 《仪表技术与传感器》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067661A (en) * | 2020-09-16 | 2020-12-11 | 广东电网有限责任公司电力科学研究院 | High-temperature detection equipment and method for workplace |
| CN116225109A (en) * | 2022-11-23 | 2023-06-06 | 南通凯大纺织有限公司 | Yarn moisture regain control method and system |
| CN116225109B (en) * | 2022-11-23 | 2024-04-02 | 南通凯大纺织有限公司 | Yarn moisture regain control method and system |
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| PB01 | Publication | ||
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Application publication date: 20150429 |