CN207688917U - Aspirated-dry-wet bulb thermometer - Google Patents
Aspirated-dry-wet bulb thermometer Download PDFInfo
- Publication number
- CN207688917U CN207688917U CN201820105799.4U CN201820105799U CN207688917U CN 207688917 U CN207688917 U CN 207688917U CN 201820105799 U CN201820105799 U CN 201820105799U CN 207688917 U CN207688917 U CN 207688917U
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- CN
- China
- Prior art keywords
- bulb thermometer
- wet
- dry
- aspirated
- shaped siphunculus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of aspirated-dry-wet bulb thermometers, are related to moisture measurement equipment field, which includes U-shaped siphunculus, dry bulb thermometer, wet-bulb thermometer and fan.The U-shaped siphunculus includes two straight tubes and a bend pipe, and storage area is equipped in the bend pipe.The dry bulb thermometer is set to the side in U-shaped siphunculus, and is at least partially disposed in straight tube.The wet-bulb thermometer is set to the other side in U-shaped siphunculus, and is at least partially disposed in another straight tube, fabric is enclosed on the wet-bulb thermometer, and the fabric extends to the storage area.The fan is set in U-shaped siphunculus or nozzle, for being blown into gas into U-shaped siphunculus.The aspirated-dry-wet bulb thermometer of the utility model, can preferably measure that humidity is simple in structure, occupies little space, easy to carry.
Description
Technical field
The utility model is related to moisture measurement equipment fields, and in particular to a kind of aspirated-dry-wet bulb thermometer.
Background technology
Humidity represents the how many scale of water vapor in air content as the physical quantity for indicating air dry and wet degree.One
As for for produce and living environment in air humidity, it is too high or too low all to make one not feeling well, to influence body
Body health, and influence industrial be normally carried out and the storage of historical relic and food.In order to meet production and it is in life
It is required that preferably controlling the humidity of air, the humidity of air should be measured, humidity is adjusted first according to measured value
It is whole.It is influenced however, air humidity receives multiple external conditions, the measurement and control of humidity are less susceptible.
The common representation method of air humidity has：Three kinds of absolute humidity (density), relative humidity and water capacity.In air
In many state parameters, pressure, temperature are easily surveyed, and water capacity and density are not easy directly to measure, and relative humidity can be surveyed, but general
Method is not accurate enough, therefore in order to accurately obtain air humidity value (being often referred to relative humidity), is measured using wet-and-dry-bulb thermometer
Air condition just becomes common main means.
But wet-and-dry-bulb thermometer measure air condition when, described in ventilated environment be affected to the equipment,
Duration is needed to notice whether wind speed meets the requirements when measurement, while gauger must find leeward placement and cause shadow to the equipment
It rings.Therefore, people have invented a kind of aspirated-dry-wet bulb thermometer, it can make air with constant wind speed pass through dry bulb thermometer and
Wet-bulb thermometer.By the way that wind speed is fixed on preset value, the influence of wind speed is excluded.
Existing wet-and-dry-bulb thermometer as carrier, but uses three-way pipe structure complicated usually using three-way pipe, occupies
Space is big, inconvenient to carry.
Utility model content
In view of the deficiencies in the prior art, the purpose of this utility model is to provide a kind of aspirated-dry-wet bulb temperature
Meter, it is simple in structure, occupy little space, it is easy to carry.
To achieve the above objectives, the technical scheme adopted by the utility model is that：
A kind of aspirated-dry-wet bulb thermometer comprising：
U-shaped siphunculus, the U-shaped siphunculus include two straight tubes and a bend pipe, and storage area is equipped in the bend pipe；
Dry bulb thermometer, the dry bulb thermometer is set to the side in U-shaped siphunculus, and is at least partially disposed in straight tube；
Wet-bulb thermometer, the wet-bulb thermometer are set to the other side in U-shaped siphunculus, and are at least partially disposed at another straight tube
It is interior, fabric is enclosed on the wet-bulb thermometer, and the fabric extends to the storage area；
Fan, the fan is set in U-shaped siphunculus or nozzle, for being blown into gas into U-shaped siphunculus.
Based on the above technical solution, further include an airspeedometer, the airspeedometer be set in U-shaped siphunculus or
Person's nozzle, for measuring the wind speed in U-shaped siphunculus.
Based on the above technical solution, further include a control unit, described control unit and airspeedometer and wind
Fan is connected.
Based on the above technical solution, described control unit is PID controller.
Based on the above technical solution, the airspeedometer and fan are respectively arranged at two nozzles of U-shaped siphunculus.
Based on the above technical solution, the pipe bent position is provided with semi-permeable membrane, and the semi-permeable membrane will be empty in U-shaped siphunculus
Between be divided into the first space and second space, and the wet-bulb thermometer is located at first space.
Based on the above technical solution, the storage area is set to first space, and storage area liquid portion
Sub-dip does not have the semi-permeable membrane, makes first space and second space air communication.
Based on the above technical solution, the fabric wrapped up on the wet-bulb thermometer is extended down to the storage area.
Based on the above technical solution, the bend pipe and straight tube are to be detachably connected.
Based on the above technical solution, the bend pipe and straight tube buckle sealing connect.
Compared with prior art, the utility model has the advantage of：
(1) the utility model is provided is arranged fan and dry bulb thermometer and wet-bulb thermometer using only a U-shaped siphunculus,
It is simple in structure, occupy little space, it is easy to carry.
(2) the utility model, which provides, is equipped with semi-permeable membrane, can stop that the moisture in air by steel ball thermometer, avoids
Dry bulb thermometer is stained with moisture, improves measurement accuracy
(3) semi-permeable membrane that the utility model is equipped with prevents the evaporation of moisture so that the moisture in its water space can
It uses for a long time, avoids and add water or demand storage large quantity of moisture repeatedly and cause device too fat to move.
(4) the utility model is provided with the value that airspeedometer and control device enable wind speed to be adjusted to its needs, increases
Measurement accuracy is added.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model one embodiment；
Fig. 2 is the structural schematic diagram of another embodiment of the utility model.
In figure：1-U type siphunculus, the storage areas 10-, 2- dry bulb thermometers, 3- wet-bulb thermometers, 30- fabrics, 4- fans, 5-
Airspeedometer, 6- semi-permeable membranes.
Specific implementation mode
The embodiments of the present invention are described in further detail below in conjunction with attached drawing.
Shown in Figure 1, the utility model embodiment provides a kind of aspirated-dry-wet bulb thermometer, including U-shaped siphunculus 1, does
Globe thermometer 2.Wet-bulb thermometer 3 and fan 4.
U-shaped siphunculus 1 includes two straight tubes and bend pipe, and bend pipe is internally provided with storage area 10.U-shaped siphunculus 1 is relative to traditional
Aspirated-dry-wet bulb thermometer, structure is simpler, and occupied space is less, while can ensure the connectivity of inner space.
Dry bulb thermometer 2 is set to the side in the U-shaped siphunculus 1, and is at least partially disposed in straight tube；Wet-bulb thermometer 3
It is set to the other side in the U-shaped siphunculus 1, and is at least partially disposed in another straight tube, is enclosed with and knits on the wet-bulb thermometer 3
Object 30, and the fabric 30 extends to storage area 10.Dry bulb thermometer 2 and wet-bulb thermometer 3 are set to the same U-shaped siphunculus 1
It is interior so that dry bulb thermometer 2 and wet-bulb thermometer 3 are in identical air environment, and by dry bulb thermometer 2 and wet-bulb temperature
It is same that the both sides that meter 3 is separately positioned on U-shaped siphunculus 1 then so that dry bulb thermometer 2 and wet-bulb thermometer 3 will not interfere between each other
When also can preferably distinguish and user is facilitated more conveniently to read respectively.In addition by dry bulb thermometer 2 and wet bulb temperature
Degree meter 3 is set to the space being preferably utilized in U-shaped siphunculus 1 in U-shaped siphunculus 1 so that the utility model structure is compacter
It is convenient for carrying, it is easy to use.
It should be noted that fan 4 is set in U-shaped siphunculus 1 or the nozzle of U-shaped siphunculus 1, as long as can be with preset
Wind speed advertises extraneous air in U-shaped siphunculus 1.After fan 4, extraneous air can be by fan 4 not
It is disconnected to enter U-shaped siphunculus 1, it avoids air in U-shaped siphunculus 1 and is had differences with outside pipe, to reduce one of the utility model
Divide measurement error.Meanwhile extraneous air being advertised into U-shaped siphunculus 1 with preset wind speed so that dry bulb thermometer 2 and wet bulb
Temperature all receives the constant wind speed of wind speed, and traditional wet-and-dry-bulb thermometer measures wind speed and require to be less than in external environment
3m/s, but its wind speed actually received is still the range in 0~3m/s, in the data by being obtained after calculating and tabling look-up
It is inaccurate.In addition, in external environment, the wind speed that wet-and-dry-bulb thermometer receives not is constant, may be beaten a little while
It is a little while small, it is difficult to the specific wind speed size that actual monitoring is subject in measuring section.And fan 4 is arranged the utility model
In the nozzle or pipe of U-shaped siphunculus 1, extraneous air is advertised as after U-shaped siphunculus 1, the dry bulb thermometer 2 in U-shaped siphunculus 1
Be in same air environment with wet-bulb temperature, and its wind speed be certain value, further, the definite value can by people into
Row is default, and preferably the wind speed is 2m/s.In addition, traditional aspirated-dry-wet bulb thermometer is advertised fan 4 as using three-way pipe
Air is respectively fed to wet-and-dry-bulb thermometer, and the wind speed one that dry bulb thermometer 2 and wet-bulb thermometer 3 receive can not be completely secured
It causes, if dry bulb thermometer 2 or 3 one end nozzle of wet-bulb thermometer have the factor for hindering air flowing, can cause from wind
The air of 4 input of fan is divided into small one and large one two strands of air and passes through dry bulb thermometer 2 and wet-bulb thermometer 3 respectively, eventually leads to
There are errors for measurement data.And the practical U-shaped siphunculus 1 of the utility model, fan 4 are advertised the wind speed into siphunculus and are consistent, no
Dry bulb thermometer and the inconsistent error of wet-bulb thermometer wind speed are will produce, is measured more accurate.
Preferably, an airspeedometer 5 is set in the nozzle of U-shaped siphunculus 1 or pipe.User is to dry bulb thermometer 2 and wet
After the reading of globe thermometer 3 understands thermometer temperature difference, current dry bulb thermometer 2 and wet-bulb temperature can be known by airspeedometer 5
The 3 wind speed sizes that are subject to of meter, the measurement data that its needs is calculated or estimated that can be more convenient.Further, since wind speed is to dry
Wet-bulb thermometer is affected, and after wind speed is more than 3m/s, measurement is inconvenient or inaccurate, and airspeedometer 5 can be good
Feedback if appropriate for measurement, user can pass through the reading of airspeedometer 5 and adjust 4 rotating speed of fan, Huo Zhegeng wind speed in the front tube
Change fan 4.Therefore, airspeedometer 5 is set up in the nozzle of U-shaped siphunculus 1 or pipe, user can be facilitated to judge measuring environment, and
And calculate the data of the measurement needed.
Further, the utility model aspirated-dry-wet bulb thermometer further includes a controller, the control unit and airspeedometer 5
And fan 4 is connected.It is single that airspeedometer 5 feeds back to control after measuring fan 4 and advertising such as wind speed in U-shaped siphunculus 1, by wind speed
The wind speed received and preset value are compared by member, control unit, if measuring wind speed is more than preset value, illustrate to be supplied to user
Wind speed it is excessive, control unit will adjust fan 4 so that 4 rotating speed of fan decline to be lowered into the air of U-shaped siphunculus 1
Wind speed；If measuring wind speed is less than preset value, illustrate to be supplied to the wind speed of user too small, control unit will adjust fan 4, make
It obtains fan 4 and reports and rise to improve the wind speed into the air in U-shaped siphunculus 1.After control unit is arranged, user can be with it
The wind speed environments needed measure humidity, temperature etc. the data in air so that measure it is more accurate, it is also more square
Just.Preferably, which is a PID controller, compares feedback adjustment by constantly measuring, and the speed of fan 4 is limited
Make definite value.It is at low cost that PID controller is set, simple in structure, it is convenient to set up.
In order to reduce the influence from the evaporated moisture of wet-bulb thermometer 3 to dry bulb thermometer 2, in U-shaped siphunculus 1,
Setting semi-permeable membrane 6 between wet-bulb thermometer 3 and dry bulb thermometer 2, the preferably semi-permeable membrane 6 are waterproof and breathable semi-permeable membrane 6 and set
It is placed in the bend pipe position of U-shaped siphunculus 1, which manages interior space by U-shaped siphunculus 1 and be divided into the first space and second space, should
Wet-bulb thermometer 3 is located at the first space.When fan 4 advertises air such as second space from the first space, the water in air steams
The vapor that the fabric 30 wrapped up on wet-bulb thermometer 3 in gas and the first space evaporates is permitted due to waterproof and breathable semi-permeable membrane 6
Perhaps air by but prevent hydrone from passing through, into no longer containing vapor in the air of the second air so that be in second
Dry bulb thermometer 2 in space is no longer influenced by the interference of vapor so that measuring can be more accurate.
Further, storage area 10, and the liquid only part submergence above-mentioned half of storage area 10 are set in the first space
Permeable membrane 6, so that the first space and second space are air connected.On the wet-bulb thermometer 3 of common wet-and-dry-bulb thermometer
The fabric 30 of package is by extending to storage area 10, and due to capillarity, holding is contained moisture state.Since evaporation is made
With, the moisture of fabric 30 will be reduced constantly on wet-bulb thermometer 3, and if time of measuring is long, it needs constantly to add water, or
A bigger water storage case is arranged in person.Constantly addition moisture so that measurement is inconvenient or even measurement data receives influence；If
A bigger water storage case is set then and can occupy that larger space is is inconvenient to carry, secondly because weight after water storage case water storage
Greatly, it is be easy to cause off-centring, is also inconvenient designing and placing wet-and-dry-bulb thermometer.The utility model ventilation dry and wet
Globe thermometer, the first space be arranged storage area 10 after, although the fabric 30 wrapped up on storage area 10 and wet-bulb thermometer 3 due to
Evaporation can distribute vapor, but since air is from first spatial flow to second space, the moisture of evaporation will
The semi-permeable membrane 6 for being arranged at the waterproof and breathable between the first space and second space stops, finally flows back into storage area 10 so that
Storage is that water quantity holding is basically unchanged in storage area 10.Tester waits when the utility model is used no longer to be needed constantly to add water
Point so that test more efficiency is convenient.Larger water storage case, the space occupied are no longer needed since 10 water storage of storage area can flow back
It is relatively small so as to carry more convenient.In addition, the liquid only part of storage area 10 submerges above-mentioned semi-permeable membrane 6 so that air
When entering second space by the first space, it will not be totally submerged semi-permeable membrane 6 because of liquid and be blocked, influence to measure knot
Fruit.
Preferably, bend pipe and straight tube are to be detachably connected.After setting bend pipe and straight tube are to be detachably connected, U-shaped siphunculus 1
Interior dry bulb thermometer 2 and wet-bulb thermometer 3 can require to replace with user, and the fabric 30 on wet-bulb thermometer 3 also can
It carries out replacing afterwards before measuring or adds to storage area 10 or remove water, facilitate user setting measuring state.In addition, setting can
After dismantling connection, user when need not measuring, can dismantle point needing the when of measuring again assemble the utility model
Open storage so that carry and more convenient to use.
Further, the buckle that is detachably connected as that bend pipe and straight tube holder is arranged is tightly connected.Buckle is tightly connected knot
Structure is simple, and operation user that need not be excessive can complete the dismounting to the utility model.And buckle is set to be tightly connected
It then ensure that fan 4 is advertised if the wind speed of the air of U-shaped siphunculus 1 is as dry bulb thermometer 2 is with wet-bulb thermometer 3.This
Outside, being tightly connected also prevents the moisture of storage area 10 to connect, and avoids the operation that user constantly adds moisture so that measures more
Add conveniently.
The utility model is not only limited to above-mentioned preferred forms, anyone can obtain under the enlightenment of the utility model
Go out other various forms of products, however, make any variation in its shape or structure, it is every to have and the utility model phase
Same or close technical solution, within its protection domain.
Claims (10)
1. a kind of aspirated-dry-wet bulb thermometer, which is characterized in that it includes：
U-shaped siphunculus (1), the U-shaped siphunculus (1) include two straight tubes and a bend pipe, and storage area (10) are equipped in the bend pipe；
Dry bulb thermometer (2), the dry bulb thermometer (2) are set to the side in U-shaped siphunculus (1), and are at least partially disposed at straight
In pipe；
Wet-bulb thermometer (3), the wet-bulb thermometer (3) are set to U-shaped siphunculus (1) interior other side, and are at least partially disposed at another
In one straight tube, fabric (30) is enclosed on the wet-bulb thermometer (3), and the fabric (30) extends to the storage area
(10)；
Fan (4), the fan (4) is set in U-shaped siphunculus (1) or nozzle, for being blown into gas into U-shaped siphunculus (1).
2. a kind of aspirated-dry-wet bulb thermometer as described in claim 1, it is characterised in that：It further includes an airspeedometer (5),
The airspeedometer (5) is set in U-shaped siphunculus (1) or nozzle, for measuring the wind speed in U-shaped siphunculus (1).
3. a kind of aspirated-dry-wet bulb thermometer as claimed in claim 2, it is characterised in that：It further includes a control unit, institute
Control unit is stated with airspeedometer (5) and fan (4) to be connected.
4. a kind of aspirated-dry-wet bulb thermometer as claimed in claim 3, it is characterised in that：Described control unit is PID control
Device.
5. a kind of aspirated-dry-wet bulb thermometer as claimed in claim 3, it is characterised in that：The airspeedometer (5) and fan (4)
It is respectively arranged at two nozzles of U-shaped siphunculus (1).
6. a kind of aspirated-dry-wet bulb thermometer as described in claim 1, it is characterised in that：The pipe bent position is provided with semi-permeable membrane
(6), U-shaped siphunculus (1) interior space is divided into the first space and second space, and the wet-bulb thermometer by the semi-permeable membrane (6)
(3) it is located at first space.
7. a kind of aspirated-dry-wet bulb thermometer as claimed in claim 6, it is characterised in that：The storage area (10) is set to described
First space, and the storage area (10) liquid portion submerges the semi-permeable membrane (6), keeps first space and second space empty
Gas is connected to.
8. a kind of aspirated-dry-wet bulb thermometer as described in claim 1, it is characterised in that：On its described wet-bulb thermometer (3)
The fabric (30) of package is extended down to the storage area (10).
9. a kind of aspirated-dry-wet bulb thermometer as described in claim 1, it is characterised in that：The bend pipe is removably and straight tube
Connection.
10. a kind of aspirated-dry-wet bulb thermometer as claimed in claim 9, it is characterised in that：The bend pipe and straight tube buckle are close
Envelope connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820105799.4U CN207688917U (en) | 2018-01-22 | 2018-01-22 | Aspirated-dry-wet bulb thermometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820105799.4U CN207688917U (en) | 2018-01-22 | 2018-01-22 | Aspirated-dry-wet bulb thermometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207688917U true CN207688917U (en) | 2018-08-03 |
Family
ID=62991813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820105799.4U Expired - Fee Related CN207688917U (en) | 2018-01-22 | 2018-01-22 | Aspirated-dry-wet bulb thermometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207688917U (en) |
-
2018
- 2018-01-22 CN CN201820105799.4U patent/CN207688917U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180803 Termination date: 20210122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |