CN206420900U - A kind of hot-bulb formula air velocity transducer - Google Patents
A kind of hot-bulb formula air velocity transducer Download PDFInfo
- Publication number
- CN206420900U CN206420900U CN201621415231.XU CN201621415231U CN206420900U CN 206420900 U CN206420900 U CN 206420900U CN 201621415231 U CN201621415231 U CN 201621415231U CN 206420900 U CN206420900 U CN 206420900U
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- CN
- China
- Prior art keywords
- hot
- bulb
- thermocouple
- barred body
- signal amplification
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Abstract
The utility model discloses a kind of hot-bulb formula air velocity transducer, including base and barred body, the base is internally provided with power supply, the barred body is fixed with tube chamber welds with base, the barred body is internally provided with Thermocouple Temperature Signal amplification module and thermocouple signal amplification module close to base one end, the Thermocouple Temperature Signal amplification module, thermocouple signal amplification module is fixed with barred body clamping, the other end of the barred body is set to the support body of hollow out, two iron bars are provided with the support body, the iron bar is wholely set with barred body, hot-bulb is provided with the iron bar, the hot-bulb is internally provided with heating wire, thermocouple wire electrode column is provided between two iron bars, the thermocouple wire electrode column is fixed with barred body clamping；Hot-bulb formula air velocity transducer is simple in construction for this, be easy to measure wind speed, while realizing non electrical quantity to the conversion of electricity.
Description
Technical field
The utility model is related to a kind of hot-bulb formula air velocity transducer.
Background technology
Hot-bulb formula airspeedometer be to measure wind speed as basic function, and by wind-warm syndrome, relative humidity measurement function combination and one
Instrument, be a kind of portable, intelligentized low measuring wind speed instrument, in measurement pipeline environment and heating, air conditioner refrigerating, environment
Protection, energy-saving monitoring, meteorology, agricultural, refrigeration, drying, labour health investigation, dust proof workshop, textile of chemical fibre, various wind velocity tests
In terms of have extensive use.
For anemobiagraph, the starting stage that measurement process is opened（30 seconds or so after usually turning on the power）It is zero
The process of point adjustment, it is preferred that sensing probe is in the environment that a wind speed is zero in this period of time, can so reduce
Error during the adjustment of anemobiagraph zero point, and the Breeze anemometer in such scheme, because its hot junction is arranged on the end of sleeve pipe,
Equivalent among external environment condition, therefore during anemobiagraph is opened, sensing probe directly has air-flow to flow through, now
Obvious error is larger if carrying out zero point adjustment, and then has influence on the result of measuring wind speed.
Furthermore, if the air speed value that ensure measurement is accurate, it is necessary to which ensureing the cold end of sensing probe can keep permanent
Temperature, and hot junction is changed with the change of air velocity.But in the above-mentioned technical solutions, the cold end of its sensing probe is
The endoporus of sleeve pipe is arranged at, and the temperature of casing tube internal hole is bound to change with the change of ambient temperature, therefore
The temperature of the cold end of sensing probe is related to environment temperature.This there is a problem：Even identical air speed value,
At a temperature of varying environment, the result of the Breeze anemometer measurement in such scheme would also vary from.Therefore, it is micro- in such scheme
Anemobiagraph is inaccurate to the wind speed result of measurement
Therefore, in summary, existing hot-bulb formula air velocity transducer is complicated, be unfavorable for measurement wind speed the problem of, together
Shi Wufa realizes conversion of the non electrical quantity to the conversion of electricity, i.e. air-flow velocity to output potential signal.
Utility model content
In view of this, the utility model purpose be to provide it is a kind of it is simple in construction, be easy to measure wind speed, while realizing non-electrical
Measure the hot-bulb formula air velocity transducer of the conversion of electricity.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：A kind of hot-bulb formula air velocity transducer, including
Base and barred body, the base are internally provided with power supply, and the barred body is fixed with tube chamber welds with base, the barred body is close to base one
That holds is internally provided with Thermocouple Temperature Signal amplification module and thermocouple signal amplification module, and the Thermocouple Temperature Signal is put
Big module, thermocouple signal amplification module and barred body clamping are fixed, and the other end of the barred body is set to the support body of hollow out, described
Two iron bars are provided with support body, the iron bar is wholely set with barred body, are provided with the iron bar inside hot-bulb, the hot-bulb
It is provided between heating wire, two iron bars and is provided with thermocouple wire electrode column, the thermocouple wire electrode column is consolidated with barred body clamping
It is fixed.
Preferably, the aeries of thermocouples temperature signal amplification module and thermocouple signal amplification module are all electric with power supply
Property connection, can normally run after being powered up.
Preferably, the thermocouple signal amplification module is electrically connected with iron bar, it can think that iron bar is powered, and lead to
Iron bar is crossed to heat hot-bulb.
Preferably, the hot-bulb is provided at both ends with copper wire, be conducive to mutually fixing with iron bar, and don't pipe improve conductive
Rate so that hot-bulb quick power-on can be heated.
Preferably, the heating wire be located at hot-bulb inside for hot junction, using hot junction as with reference to two ends extension and
The point being connected with thermocouple wire electrode column is cold junction, is conducive to testing wind speed.
Preferably, the thermocouple wire electrode column is electrically connected with aeries of thermocouples temperature signal amplification module, it can survey
Obtain the specific data of wind speed.
The utility model has the technical effect that following aspect：, can be to barred body due to being provided with power supply in base
Internal Thermocouple Temperature Signal amplification module and thermocouple signal amplification module transmits electric power, and it is normally run, due to setting
Hot-bulb is equipped with, by being heated to hot-bulb, the heat in hot-bulb can be taken away according to air-flow and then measured when testing wind speed
Wind speed, due to being provided with Thermocouple Temperature Signal amplification module, can be monitored to the temperature of hot-bulb, and by monitoring hot-bulb
Temperature to measure wind speed.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of hot-bulb formula air velocity transducer of the utility model.
Embodiment
Below in conjunction with accompanying drawing 1, embodiment of the present utility model is described in further detail, so that the utility model skill
Art scheme is more readily understood and grasped.
A kind of hot-bulb formula air velocity transducer, including base 1 and barred body 2, the base 1 are internally provided with power supply 3, can
Electric power is provided for the element inside barred body 2, the barred body 2 is welded and fixed with base 1, and the barred body 2 is in the one end of base 1
Portion is provided with OW-SBW aeries of thermocouples temperature signals amplification module 4 and S1201 thermocouple signals amplification module 5, the OW-
SBW aeries of thermocouples temperature signals amplification module 4, S1201 thermocouple signals amplification module 5 are fixed with the clamping of barred body 2, the rod
The other end of body 2 is set to the support body 6 of hollow out, is conducive to being provided with two iron bars 7, the iron bar 7 in ventilation, the support body 6
It is wholely set with barred body 2, hot-bulb 8 is provided with the iron bar 7, the hot-bulb 8 is internally provided with heating wire 9, and heating wire 9 is logical
It can be heated after electricity, and then hot-bulb 8 is produced between high temperature, two iron bars 7 and be provided with thermocouple wire electrode column 10, it is described
Thermocouple wire electrode column 10 is fixed with the clamping of barred body 2.
The OW-SBW aeries of thermocouples temperature signal amplification module 4 and S1201 thermocouple signals amplification module 5 all with electricity
Source 3 is electrically connected with, and can normally be run after 3 switching on power.
The S1201 thermocouple signals amplification module 5 is electrically connected with iron bar 7, can think that iron bar 7 is powered, and lead to
Iron bar 7 is crossed to heat hot-bulb 8.
The hot-bulb 8 is provided at both ends with copper wire, is conducive to mutually fixing with iron bar 7, and don't pipe improve conductance so that heat
Ball 8 quick power-on can be heated.
The heating wire 9 is located at extending for hot junction, using hot junction as reference to two ends and and thermocouple wire inside hot-bulb 8
The point that electrode column 10 is connected is cold junction, is conducive to testing wind speed.
The thermocouple wire electrode column 10 and OW-SBW aeries of thermocouples temperature signals amplification module 4 is electrically connected with, and can be surveyed
Obtain the specific data of wind speed.
The utility model is when in use：
When A, static state, i.e., when wind speed is 0, the electrified regulation of heating wire 9 inside hot-bulb 8 improves temperature, and temperature is kept most
Height, heating wire 9 is located at the hot junction inside hot-bulb 8 and the temperature difference between cold junction on thermocouple wire electrode column 10 is maximum,
Now, the output potential of hot junction is maximum；B, when there is air current flow, air-flow takes away heat, makes the temperature drop of hot-bulb 8, then,
The output potential of heating wire 9 diminishes；The heat that the temperature drop of hot-bulb 8 and air-flow fluxion strap are walked forms certain functional relation, real
Conversion of the non electrical quantity to the conversion of electricity, i.e. air-flow velocity to output potential signal is showed.
The utility model has the technical effect that following aspect：, can be to barred body due to being provided with power supply in base
Internal Thermocouple Temperature Signal amplification module and thermocouple signal amplification module transmits electric power, and it is normally run, due to setting
Hot-bulb is equipped with, by being heated to hot-bulb, the heat in hot-bulb can be taken away according to air-flow and then measured when testing wind speed
Wind speed, due to being provided with Thermocouple Temperature Signal amplification module, can be monitored to the temperature of hot-bulb, and by monitoring hot-bulb
Temperature to measure wind speed.
Certainly, it is representative instance of the present utility model above, in addition, the utility model can also have other a variety of
The technical scheme of embodiment, all use equivalent substitutions or equivalent transformation formation, all falls within the utility model and is claimed
Within the scope of.
Claims (6)
1. a kind of hot-bulb formula air velocity transducer, it is characterised in that：Including base and barred body, the base is internally provided with electricity
Source, the barred body is fixed with tube chamber welds with base, and the barred body is internally provided with Thermocouple Temperature Signal amplification close to base one end
Module and thermocouple signal amplification module, the Thermocouple Temperature Signal amplification module, thermocouple signal amplification module and barred body
Clamping is fixed, and the other end of the barred body is set in the support body of hollow out, the support body to be provided with two iron bars, the iron bar with
Barred body is wholely set, and hot-bulb is provided with the iron bar, and the hot-bulb is internally provided between heating wire, two iron bars and set
Thermocouple wire electrode column is equipped with, the thermocouple wire electrode column is fixed with barred body clamping.
2. a kind of hot-bulb formula air velocity transducer as claimed in claim 1, it is characterised in that：The Thermocouple Temperature Signal amplification
Module and thermocouple signal amplification module are all electrically connected with the power supply.
3. a kind of hot-bulb formula air velocity transducer as claimed in claim 2, it is characterised in that：The thermocouple signal amplification module
It is electrically connected with iron bar.
4. a kind of hot-bulb formula air velocity transducer as claimed in claim 3, it is characterised in that：The hot-bulb is provided at both ends with copper
Silk.
5. a kind of hot-bulb formula air velocity transducer as claimed in claim 4, it is characterised in that：The heating wire is located inside hot-bulb
For hot junction, using hot junction be as cold junction with reference to the point for extending to two ends and being connected with thermocouple wire electrode column.
6. a kind of hot-bulb formula air velocity transducer as claimed in claim 5, it is characterised in that：The thermocouple wire electrode column and thermoelectricity
Even temperature signal amplification module is electrically connected with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621415231.XU CN206420900U (en) | 2016-12-21 | 2016-12-21 | A kind of hot-bulb formula air velocity transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621415231.XU CN206420900U (en) | 2016-12-21 | 2016-12-21 | A kind of hot-bulb formula air velocity transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206420900U true CN206420900U (en) | 2017-08-18 |
Family
ID=59575952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621415231.XU Expired - Fee Related CN206420900U (en) | 2016-12-21 | 2016-12-21 | A kind of hot-bulb formula air velocity transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206420900U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112484249A (en) * | 2020-11-06 | 2021-03-12 | 珠海格力电器股份有限公司 | Air conditioner control method and device and air conditioner |
-
2016
- 2016-12-21 CN CN201621415231.XU patent/CN206420900U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112484249A (en) * | 2020-11-06 | 2021-03-12 | 珠海格力电器股份有限公司 | Air conditioner control method and device and air conditioner |
| CN112484249B (en) * | 2020-11-06 | 2021-11-23 | 珠海格力电器股份有限公司 | Air conditioner control method and device and air conditioner |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170818 Termination date: 20171221 |