CN211013015U - Radiation protection device for outdoor temperature and humidity measurement - Google Patents
Radiation protection device for outdoor temperature and humidity measurement Download PDFInfo
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- CN211013015U CN211013015U CN201922218485.2U CN201922218485U CN211013015U CN 211013015 U CN211013015 U CN 211013015U CN 201922218485 U CN201922218485 U CN 201922218485U CN 211013015 U CN211013015 U CN 211013015U
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Abstract
The utility model provides an outdoor radiation protection device for temperature and humidity measurement relates to the radiation protection field. The radiation protection device for outdoor temperature and humidity measurement comprises a radiation protection cover and a forced draft tube, wherein the radiation protection cover comprises a plurality of layers of annular radiation protection sheets, the annular radiation protection sheets are stacked at intervals to form a middle accommodating space, and an air outlet channel is formed at intervals between adjacent annular radiation protection sheets; the lower part of the radiation shield is communicated with the upper part of the forced draft tube, the forced draft tube is provided with air holes, and the fan and the filter screen are sequentially arranged in the forced draft tube from bottom to top. Under the drive of the fan, air enters the forced draft tube from the air hole, enters the radiation-proof cover through the filter screen and is finally discharged from the air outlet channel. A stable test airflow is formed in the radiation-proof cover, the filter screen can effectively adsorb dust particles in the air, the cleanliness of the test airflow is ensured, dust is prevented from being accumulated on the surface of the sensor, and the service life and the measurement precision of the sensor are ensured; and the device is portable and easy to carry.
Description
Technical Field
The utility model relates to a radiation protection technology field, concretely relates to outdoor radiation protection device for temperature and humidity measurement.
Background
In temperature and humidity measurement, a measuring instrument is usually directly exposed outdoors, and the temperature of the measuring instrument is higher than the actual temperature of the environment due to the radiation effect of solar illumination, so that measurement errors are caused.
Then, corresponding radiation protection technologies are developed, for example, chinese patent with publication number CN102200590B and publication number 2013.03.13 discloses a radiation protection cover for adaptive air temperature and humidity measurement, and specifically discloses a radiation protection cover for adaptive air temperature and humidity measurement, which comprises a solar panel platform, a radiation protection cover main body with the top end fixed on the solar panel platform, and a support fixed at the bottom end of the radiation protection cover main body; the main body of the radiation shield is an umbrella-shaped leaf radiation shield, the top end of the umbrella-shaped leaf radiation shield is fixedly connected with the solar panel platform, and a peripheral closed cavity structure is formed by overlapping a plurality of layers of white umbrella-shaped radiation shield plates; the fan is arranged at the top end inside the umbrella-shaped blade type radiation shield; the sensor is arranged inside the umbrella-shaped leaf type radiation shield; and the control panel is arranged on the umbrella-shaped blade type radiation shield, is connected with the solar cell panel and the fan, and is used for constructing a solar cell photovoltaic model and an energy consumption evaluation model according to the radiation value and adjusting the wind speed output of the fan.
The radiation shield in the prior art can be used for adaptively combining natural ventilation and forced ventilation according to solar radiation, so that the air temperature and humidity measurement error caused by radiation is reduced. However, if the radiation protection device is used for measuring haze and dust weather, dust entering the radiation protection cover is easy to accumulate on the surface of the sensor, and the service life and the measurement accuracy of the sensor are further affected.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, an object of the utility model is to provide an outdoor radiation protection device for temperature and humidity measurement to solve the dust and get into and easily pile up on the surface of sensor in the radiation protection cover, and then influence the life of sensor and measurement accuracy's problem.
The utility model discloses an outdoor temperature and humidity measurement is with radiation protection device's technical scheme does:
the radiation protection device for outdoor temperature and humidity measurement comprises a radiation protection cover and a forced draft tube, wherein the radiation protection cover comprises a plurality of layers of annular radiation protection sheets, the annular radiation protection sheets are stacked at intervals to form a middle accommodating space for mounting a sensor, and an air outlet channel is formed at intervals between adjacent annular radiation protection sheets;
the lower part of the radiation shield is communicated with the upper part of the forced draft tube, air holes are formed in the forced draft tube, and the fan and the filter screen are sequentially arranged in the forced draft tube from bottom to top.
Has the advantages that: under the drive of the fan, air enters the forced draft tube from the air hole, enters the radiation-proof shield through the filter screen, and is discharged outwards through the air outlet channel between the adjacent annular radiation-proof sheets, the filter screen can effectively adsorb dust particles in the air, the cleanliness of the air entering the radiation-proof shield is ensured, stable and clean test airflow is formed in the radiation-proof shield, the temperature and humidity measurement of the filtered airflow is realized when the filtered airflow passes through the sensor, the dust is prevented from being accumulated on the surface of the sensor, and the service life and the measurement precision of the sensor are ensured; moreover, the radiation shield and the forced draft tube are both designed to be hollow and hollowed, so that the weight of the whole device is reduced, and the portable outdoor air ventilator is convenient to carry and use.
Furthermore, the air holes are formed in the wall of the forced ventilation barrel, the air holes located on the lower side of the fan form air inlet holes, and the air holes located on the upper side of the fan form air supplement holes.
Furthermore, a power supply and a control button are further arranged on the outer side of the wall of the forced ventilation cylinder, and the power supply, the control button and a motor of the fan are connected through a lead to form a conductive loop.
Further, the filter screen is made of cotton fabric, sponge or fiber fabric.
Further, the cotton fabric is made of waffle fabric.
Furthermore, the peripheral edge of the radiation-proof sheet is also provided with a downward turning edge.
Furthermore, the multilayer annular radiation protection sheet is provided with a threaded hole opposite to the threaded hole, and a threaded rod is screwed in the threaded hole.
Furthermore, a supporting structure for mounting the sensor is arranged on the inner side of the at least one annular radiation-proof sheet.
Furthermore, the bottom of the wall of the forced ventilation cylinder is provided with an internal thread, and the internal thread is used for being matched with an external thread at the top of the bracket.
Furthermore, a sealing cover is arranged at the top of the radiation protection cover, and a hook is arranged on the sealing cover.
Drawings
Fig. 1 is a schematic perspective view of a radiation protection device according to an embodiment 1 of the radiation protection device for outdoor temperature and humidity measurement of the present invention, when the radiation protection device is mounted on a bracket;
fig. 2 is a schematic perspective view of a radiation shield according to a specific embodiment 1 of the radiation protection apparatus for outdoor temperature and humidity measurement of the present invention;
FIG. 3 is a half sectional view of the radiation shield of FIG. 2;
FIG. 4 is a schematic view of the air flow of the radiation shield of FIG. 3;
fig. 5 is a half sectional view of the annular radiation shield of fig. 3.
In the figure: 1-radiation protection cover, 10-annular radiation protection sheet, 101-downward turning edge, 102-threaded hole, 11-threaded rod, 12-supporting structure, 13-sealing cover, 14-hook, 2-forced ventilation cylinder, 20-air inlet hole, 21-air supplement hole, 22-fan, 23-filter screen, 24-power supply, 25-control button, 26-internal thread, 3-support, 30-supporting leg, 31-main rod and 32-sleeve.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The utility model discloses an outdoor radiation protection device for temperature and humidity measurement's concrete embodiment 1, as shown in fig. 1 to 5, outdoor radiation protection device for temperature and humidity measurement includes radiation shield 1 and forced draft tube 2, and radiation shield 1 includes multilayer annular radiation protection piece 10, and multilayer annular radiation protection piece 10 interval is folded and is established the middle part accommodation space that constitutes and supply the sensor installation, and the interval between the adjacent annular radiation protection piece 10 constitutes the air-out passageway. In this embodiment, the structure of multilayer annular radiation protection piece 10 is the same, and annular radiation protection piece 10 has the arch outline that the high edge in middle part is low, and the neighboring of annular radiation protection piece 10 still is equipped with down turns over along 101, designs annular radiation protection piece 10 into domes, has both satisfied the needs of circulation of air, can prevent again that the rainwater from dripping to get into the inside of radiation protection cover 1, avoids the sensor to damage because of receiving the rainwater soaking, is applicable to open-air measuring environment more.
The multilayer annular radiation protection sheet 10 is provided with a threaded hole 102, specifically, a vertically extending threaded pipe is arranged on the lower side of the annular radiation protection sheet 10, and the threaded hole 102 is formed in the inner peripheral wall of the threaded pipe. And, three screw holes 102 are evenly distributed on the annular radiation protection sheet 10 at intervals in the circumferential direction, threaded rods 11 are correspondingly screwed and assembled in the screw holes 102 of each layer of annular radiation protection sheet 10, and the multiple layers of annular radiation protection sheets 10 are fixedly connected through the three threaded rods 11. The top of the radiation shield 1 is provided with a sealing cover 13, the sealing cover 13 is in screwed connection with the annular radiation-proof sheet 10 at the top, the sealing cover 13 and the radiation shield 1 are installed and disassembled by screwing screws, and the sealing cover 13 is provided with a hook 14 so that a measurer can hang and place a radiation-proof device according to actual environment.
The inboard of one of them annular radiation protection piece 10 of radiation protection cover 1 is equipped with the bearing structure 12 that is used for installing the sensor, and in this embodiment, bearing structure 12 protrusion in the cantilever of the internal periphery of annular radiation protection piece 10, the end of cantilever is equipped with the pothook, corresponds the cooperation through pothook and sensor to the realization is with sensor demountable installation in middle part accommodation space. In other embodiments, the supporting structure is not limited to the cantilever hook structure in embodiment 1, and in order to meet different use requirements, a plurality of spokes extending radially may be further provided, so as to stably support the bottom of the sensor through the spokes.
The lower part of the radiation shield 1 is communicated with the upper part of the forced draft tube 2, the forced draft tube 2 is provided with air holes, and the inside of the forced draft tube 2 is sequentially provided with a fan 22 and a filter screen 23 from bottom to top. Wherein, the air vent is opened on the wall of the forced draft tube 2, the air vent located at the lower side of the fan 22 forms an air inlet 20, the air vent located at the upper side of the fan 22 forms an air supplement hole 21, and the air quantity sent into the radiation shield 1 by the fan 22 is ensured by arranging the air inlet 20 and the air supplement hole 21. The filter screen 23 is a cotton fabric, and specifically, the cotton fabric is made of waffle fabric and has good air permeability and adsorbability. The surface of the waffle fabric is provided with the concave-convex patterns with regular shapes, the concave-convex patterns increase the surface area of the filter screen 23, dust particles in the air can be effectively adsorbed, and the cleanliness of the air entering the radiation shield 1 is guaranteed.
Under the drive of the fan, air enters the forced draft tube 2 from the air hole, enters the radiation-proof shield 1 through the filter screen 23, is discharged outwards through an air outlet channel between adjacent annular radiation-proof sheets 10, and is effectively adsorbed by the filter screen 23, temperature and humidity measurement is realized when filtered air flows pass through the sensor, stable and clean test air flow is formed in the radiation-proof shield 1, dust is prevented from being accumulated on the surface of the sensor, and the service life and the measurement precision of the sensor are ensured; moreover, the radiation shield and the forced draft tube are both designed to be hollow and hollowed, so that the weight of the whole device is reduced, and the portable outdoor air ventilator is convenient to carry and use. It should be noted that, the sensor for measuring the temperature and humidity is used for detecting the temperature of the air and the water vapor content in the air, the gaseous water vapor is different from the liquid water mist, the water absorption of the filter screen 23 can only absorb the liquid water mist, the water vapor content of the air is not affected, and the accuracy of the humidity measurement result is ensured.
In order to facilitate the control of the fan 22 to forcibly ventilate the radiation shield 1, a power supply 24 and a control button 25 are further arranged on the outer side of the wall of the forced ventilation cylinder 2, and the power supply 24, the control button 25 and the motor of the fan 22 are connected through wires to form a conductive loop. In the embodiment, the power supply 24 is a rechargeable lithium battery, which supplies power to the fan 22, so as to ensure stable air supply into the radiation shield 1; the control buttons 25 are used to regulate the turning on and off of the fan 22 for the actual operation of the measuring staff. The bottom of the wall of the forced draft tube 2 is provided with an internal thread 26, and the internal thread 26 is used for matching with the external thread at the top of the bracket 3.
The support 3 is a triangular support, and comprises three support legs 30 which are arranged in a central symmetry manner, a sleeve 32 connected between the three support legs 30, and a main rod 31 which is assembled in the sleeve 32 in an adjustable manner, wherein the main rod 31 can be adjusted in a vertical lifting manner to meet the requirements of different measurement heights. The top of mobile jib 31 is equipped with the external screw thread, can twist dryer 2 during the use and twist and install on the mobile jib 31 of support 3, has made things convenient for the equipment separation operation between radiation protection device and the support 3. By adopting the design of the top hook 14 and the bottom internal thread 26, the radiation protection device can be hung at a high position, the support 3 can be placed on the ground, and the radiation protection device and the support 3 can be detachably assembled, so that the actual measurement requirement in a complex field environment is met.
The utility model discloses an outdoor temperature and humidity measurement is with radiation protection device's other embodiments, lie in with embodiment 1's difference, in order to satisfy different use needs, can adopt the filter screen of sponge material, the inside of sponge has intensive and the space that communicates each other, can play ventilative and dust removal effect equally. Or, a filter screen made of fiber fabric can be adopted, and the functions of ventilation and dust removal can be achieved, so that dust is prevented from entering the radiation shield to influence the service life and the measurement precision of the sensor.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (10)
1. A radiation protection device for outdoor temperature and humidity measurement is characterized by comprising a radiation protection cover and a forced draft tube, wherein the radiation protection cover comprises a plurality of layers of annular radiation protection sheets, the annular radiation protection sheets are stacked at intervals to form a middle accommodating space for mounting a sensor, and an air outlet channel is formed at intervals between adjacent annular radiation protection sheets;
the lower part of the radiation shield is communicated with the upper part of the forced draft tube, air holes are formed in the forced draft tube, and the fan and the filter screen are sequentially arranged in the forced draft tube from bottom to top.
2. The radiation protection device for outdoor temperature and humidity measurement according to claim 1, wherein the air hole is opened on the wall of the forced draft tube, the air hole located at the lower side of the fan forms an air inlet hole, and the air hole located at the upper side of the fan forms an air supplement hole.
3. The radiation protection device for outdoor temperature and humidity measurement according to claim 2, wherein a power supply and a control button are further arranged on the outer side of the wall of the forced ventilation cylinder, and the power supply, the control button and a motor of the fan are connected through a lead to form a conductive loop.
4. The radiation protection device for outdoor temperature and humidity measurement according to claim 1, 2 or 3, wherein the filter screen is cotton fabric, sponge or fiber fabric.
5. The radiation protection device for outdoor temperature and humidity measurement as claimed in claim 4, wherein the cotton fabric is made of waffle fabric.
6. The radiation protection device for outdoor temperature and humidity measurement according to claim 1, wherein the annular radiation protection sheet has an arched outer contour with a high middle part and a low edge, and a lower turning edge is further arranged on the peripheral edge of the radiation protection sheet.
7. The radiation protection device for outdoor temperature and humidity measurement as claimed in claim 1, wherein the multi-layer annular radiation protection sheet is provided with a threaded hole in a right-to-right direction, and a threaded rod is screwed in the threaded hole.
8. The radiation protection device for outdoor temperature and humidity measurement according to claim 1, wherein a support structure for mounting a sensor is arranged on the inner side of the at least one annular radiation protection sheet.
9. The radiation protection device for outdoor temperature and humidity measurement as claimed in claim 1, wherein the bottom of the cylinder wall of the forced draft cylinder is provided with internal threads, and the internal threads are used for matching with external threads on the top of the bracket.
10. The radiation protection device for outdoor temperature and humidity measurement as claimed in claim 1, wherein a sealing cover is arranged on the top of the radiation protection cover, and a hook is arranged on the sealing cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922218485.2U CN211013015U (en) | 2019-12-10 | 2019-12-10 | Radiation protection device for outdoor temperature and humidity measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922218485.2U CN211013015U (en) | 2019-12-10 | 2019-12-10 | Radiation protection device for outdoor temperature and humidity measurement |
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| CN211013015U true CN211013015U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922218485.2U Active CN211013015U (en) | 2019-12-10 | 2019-12-10 | Radiation protection device for outdoor temperature and humidity measurement |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112781636A (en) * | 2020-12-29 | 2021-05-11 | 中电科技集团重庆声光电有限公司 | Spiral type ventilation radiation-proof cover |
| CN116908412A (en) * | 2023-07-17 | 2023-10-20 | 中国矿业大学(北京) | Device and method for measuring evaporation limit depth of field soil |
-
2019
- 2019-12-10 CN CN201922218485.2U patent/CN211013015U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112781636A (en) * | 2020-12-29 | 2021-05-11 | 中电科技集团重庆声光电有限公司 | Spiral type ventilation radiation-proof cover |
| CN112781636B (en) * | 2020-12-29 | 2023-02-17 | 中电科技集团重庆声光电有限公司 | Spiral type ventilation radiation-proof cover |
| CN116908412A (en) * | 2023-07-17 | 2023-10-20 | 中国矿业大学(北京) | Device and method for measuring evaporation limit depth of field soil |
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