CN202230044U - Electric ventilation psychrometer - Google Patents
Electric ventilation psychrometer Download PDFInfo
- Publication number
- CN202230044U CN202230044U CN201120307279XU CN201120307279U CN202230044U CN 202230044 U CN202230044 U CN 202230044U CN 201120307279X U CN201120307279X U CN 201120307279XU CN 201120307279 U CN201120307279 U CN 201120307279U CN 202230044 U CN202230044 U CN 202230044U
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- Prior art keywords
- cup
- bulb sensor
- wet bulb
- psychrometer
- sensor
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- Expired - Fee Related
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model relates to an electric ventilation psychrometer comprising an upper cup and a lower cup, wherein the upper cup is sheathed on the lower cup and is fixedly connected with the lower cup by a connecting piece, the top part of the upper cup is provided with an upper cover with an air hole, a fan is arranged in the upper cup, a dry bulb sensor, a wet bulb sensor and a liquid storage device are sequentially arranged in the lower cup at intervals, a yarn sleeve is sheathed on the wet bulb sensor and the tail end of the yarn sleeve stretches into the liquid storage device; and the fan, the dry bulb sensor and the wet bulb sensor are respectively connected with a data processing and controlling device outside the upper cup and the lower cup by wires. The electric ventilation psychrometer can measure continuously, uses a touch screen to control and display and directly displays the temperature and humidity values of the dry bulb and the wet bulb by conversion, the precision is high and the calibration is convenient, the error between measured temperatures of the dry bulb and the wet bulb is reduced, and the accuracy degree of the measured temperature is ensured to be less than 0.1 DEG C; and a humidity index can meet the requirement of the existing standard and can be used as a secondary humidity standard. The electric ventilation psychrometer also has data recording and curve displaying functions and is provided with a USB (Universal Serial Bus) interface, thereby being convenient to read data and being beneficial to analyzing the fluctuation strength of a device to be measured.
Description
Technical field
The utility model relates to a kind of WT-MSR, especially a kind of electrically ventilating psychrometer.
Background technology
In moisture measurement, measurement with wet is used early, and is widely used in the various hygrometric occasions in fields such as industrial and agricultural production and meteorology, environmental protection, national defence, scientific research, space flight, and the Hasman aspirated psychrometer also is used for transmission of quantity value as humidity standard.Along with further developing of thermometry and electronic technology, the accuracy of measurement of measurement with wet also further improves, and can accomplish to be superior to 1%RH.Mechanical type aspirated psychrometer and electrically ventilating psychrometer are arranged at present.
1. mechanical type aspirated psychrometer
Adopt the mechanical type ventilator, promote gear with the elastic force of clockwork spring as power and rotate complex structure, operation inconvenience; Its ventilation speed is unstable, thereby adds mistake; Deal with data will be tried to achieve through tabling look-up, very inconvenience.
2. common electric aspirated psychrometer
Employing electrically ventilating device, with battery power pushing motor rotation (revolution is controlled by speed-stabilizing circuit), the rotation of drive fan produces air-flow, makes dried, wet bulb thermometer bulb realization ventilation on every side.But the sensor accuracy of its use is low, can not use as standard, though statistics have shown, reads comparatively complicated.
Summary of the invention
The purpose of the utility model is for overcoming the deficiency of above-mentioned prior art, provide a kind of simple in structure, easy to use, precision is high, calibration is convenient, electrically ventilating psychrometer more intuitively and accurately.
For realizing above-mentioned purpose, the utility model adopts following technical proposals:
A kind of electrically ventilating psychrometer; Comprise cup with following glass, the said glass holder of going up is on following glass and pass through the web member fixed connection, last glass of top is provided with the loam cake of being with ventilating opening; Be provided with blower fan in the last cup; Be interval with dry bulb sensor, wet bulb sensor and reservoir successively in the following cup, be with the yarn cover on the wet bulb sensor, the end of yarn cover extend in the reservoir; Blower fan, dry bulb sensor and wet bulb sensor all link to each other with an outside data processing and the control device of cup up and down through lead.
Said web member is a screw.
Said dry bulb sensor and wet bulb sensor are the AA grade platinum resistance thermometer; Said dry bulb sensor and wet bulb sensor are arranged in the cavity of two each intervals through screw and fixed head respectively.
The upper end of said reservoir is fixed in following glass through flange.
Said following glass sidewall be provided with its in the water injection hole that is connected of reservoir.
Said data processing and control device comprise housing and the processor that is arranged in the housing, and the housing front surface is provided with touch-screen and the USB interface that links to each other with processor.
Processor in the utility model is an existing equipment, repeats no more at this.
The utility model adopts two identical thermometers of specification to form psychrometer, and one is dry bulb thermometer, in order to measures ambient temperature; Another is a wet bulb thermometer.The temperature bubble of wet bulb thermometer wraps up with wet bulb gauze cover, and links to each other with the container that is filled with water.The water that gauze puts constantly evaporates, and absorbs heat, thereby wet-bulb temperature is descended.So, record wet and dry bulb temperature, can draw corresponding humidity value according to the computing of psychrometer equation through data processing and control device.
The utility model has been realized the function of continuous coverage; The electrically ventilating psychrometer of more common low precision, the utility model adopt the AA grade platinum resistance thermometer as sensor, and precision is higher; The use touch-screen is controlled and is shown, directly shows wet and dry bulb temperature and humidity value through converting, and precision height and calibration are conveniently.Thermometer is selected and is mated, and has reduced the error between the wet and dry bulb thermometric, in program, adopts the segmentation correction simultaneously, guarantees that the thermometric accuracy is less than 0.1 ℃; Humidity has also been done the piecewise linearity correction, makes index can satisfy the requirement of existing rules, can be used as the secondary humidity standard and uses.This instrument also has data recording and curve display function, and is very useful for the fluctuation degree of analyzing equipment under test.
Description of drawings
Fig. 1 is the utility model structural representation;
1. loam cakes wherein, 2. blower fan is 3. gone up cup, 4. dry bulb sensor, 5. wet bulb sensor, 6. flange, 7. yarn cover, 8. reservoir 9. plays cup, 10. data processing and control device, 11. touch-screens, 12.USB interface, 13. ventilating openings, 14. cavitys.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
As shown in Figure 1, a kind of electrically ventilating psychrometer, comprise the cup 3 with following glass 9; Said upward cup 3 is enclosed within down on the cup 9 and passes through the web member fixed connection; Last cup 3 tops are provided with the loam cake 1 of band ventilating opening 13, are provided with blower fan 2 in the last cup 3, are interval with dry bulb sensor 4, wet bulb sensor 5 and reservoir 8 successively in the following cup 9; Be with yarn cover 7 on the wet bulb sensor 5, the end of yarn cover 7 extend in the reservoir 7; Blower fan 2, dry bulb sensor 4 and wet bulb sensor 5 all link to each other with upper and lower cup 3,9 outside data processing and control device 10 through lead.
Said web member is a screw.
Said dry bulb sensor 4 is AA level pt100 platinum-resistance thermometer with wet bulb sensor 5; Said dry bulb sensor 4 is arranged in the cavity 14 of two each intervals through screw and fixed head respectively with wet bulb sensor 5.
The upper end of said reservoir 8 is fixed in following glass 9 through flange 6.
Said following glass 9 sidewall be provided with its in the water injection hole that is connected of reservoir 8.
Said data processing and control device 10 comprise housing and the processor that is arranged in the housing, and the housing front surface is provided with the touch-screen 11 and usb 12 that links to each other with processor.
Processor in the utility model is an existing equipment, repeats no more at this.
The utility model running parameter is following:
Environmental requirement: working temperature is between 15 ℃～35 ℃, and ambient humidity is between 20%RH～80%RH, and atmospheric pressure is in 0.086MPa～0.106MPa scope; Temperature measurement range: 0 ℃～80 ℃; Moisture measurement scope: 10%～95%RH; Ventilation speed:＞2.5m/s; Voltage: 220AC 50Hz.
Distilled water injected in elder generation before the utility model used in reservoir 8, injected from water injection hole with syringe to get final product in right amount; Energized turns on the power switch and can use.The method of changing of wet cloth yarn cover 7:
At first unplug the connection plug-in unit of ventilation table blower fan 2; Dismantle two fixed screws, take off loam cake 1; Dismantle fixing two screws of wet bulb sensor 5 again and take off wet bulb sensor 5; Changing yarn overlaps and cut an osculum according to the length of platinum-resistance thermometer at an end of yarn cover 7 at 7 o'clock; Insert platinum-resistance thermometer from opening part, good with linear system the bottom again, the other end inserts in the reservoir 8; On fasten two screws of wet bulb sensor 5, build loam cake 1; Fixed screw, the connection plug-in unit of slotting good blower fan 2.
Points for attention
1. wet cloth yarn overlaps 7 water absorptivitys and will change wet cloth yarn cover 7 or clean yarn cover 7 when bad or dirty.
2. in time add water in the reservoir 8, so as not to water measurement data is inaccurate after a little while.
Claims (6)
1. electrically ventilating psychrometer; It is characterized in that: comprise cup with following glass, the said glass holder of going up is on following glass and pass through the web member fixed connection, last glass of top is provided with the loam cake of being with ventilating opening; Be provided with blower fan in the last cup; Be interval with dry bulb sensor, wet bulb sensor and reservoir successively in the following cup, be with the yarn cover on the wet bulb sensor, the end of yarn cover extend in the reservoir; Blower fan, dry bulb sensor and wet bulb sensor all link to each other with an outside data processing and the control device of cup up and down through lead.
2. electrically ventilating psychrometer according to claim 1 is characterized in that: said web member is a screw.
3. electrically ventilating psychrometer according to claim 1 is characterized in that: said dry bulb sensor and wet bulb sensor are the AA grade platinum resistance thermometer; Said dry bulb sensor and wet bulb sensor are arranged in the cavity of two each intervals through screw and fixed head respectively.
4. electrically ventilating psychrometer according to claim 1 is characterized in that: the upper end of said reservoir is fixed in following glass through flange.
5. electrically ventilating psychrometer according to claim 1 is characterized in that: said following glass sidewall be provided with its in the water injection hole that is connected of reservoir.
6. electrically ventilating psychrometer according to claim 1 is characterized in that: said data processing and control device comprise housing and the processor that is arranged in the housing, and the housing front surface is provided with touch-screen and the USB interface that links to each other with processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120307279XU CN202230044U (en) | 2011-08-23 | 2011-08-23 | Electric ventilation psychrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120307279XU CN202230044U (en) | 2011-08-23 | 2011-08-23 | Electric ventilation psychrometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202230044U true CN202230044U (en) | 2012-05-23 |
Family
ID=46080628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120307279XU Expired - Fee Related CN202230044U (en) | 2011-08-23 | 2011-08-23 | Electric ventilation psychrometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202230044U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822661A (en) * | 2012-11-19 | 2014-05-28 | 财团法人工业技术研究院 | Temperature and humidity sensing module and liquid storage box thereof |
| US9134141B2 (en) | 2012-12-06 | 2015-09-15 | Industrial Technology Research Institute | Measurement device |
| US9140578B2 (en) | 2012-12-06 | 2015-09-22 | Industrial Technology Research Institute | Measurement device |
| CN109752050A (en) * | 2019-02-28 | 2019-05-14 | 中国气象局气象探测中心 | A kind of outfield ventilation temperature moisture measurement standard and its measurement method |
-
2011
- 2011-08-23 CN CN201120307279XU patent/CN202230044U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822661A (en) * | 2012-11-19 | 2014-05-28 | 财团法人工业技术研究院 | Temperature and humidity sensing module and liquid storage box thereof |
| US9134141B2 (en) | 2012-12-06 | 2015-09-15 | Industrial Technology Research Institute | Measurement device |
| US9140578B2 (en) | 2012-12-06 | 2015-09-22 | Industrial Technology Research Institute | Measurement device |
| CN109752050A (en) * | 2019-02-28 | 2019-05-14 | 中国气象局气象探测中心 | A kind of outfield ventilation temperature moisture measurement standard and its measurement method |
| CN109752050B (en) * | 2019-02-28 | 2023-12-05 | 中国气象局气象探测中心 | External field ventilation temperature and humidity measurement standard device and measurement method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20120823 |