CN107192471A - A kind of New temperature compensation circuit and compensation method for pneumatic sensor - Google Patents
A kind of New temperature compensation circuit and compensation method for pneumatic sensor Download PDFInfo
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- CN107192471A CN107192471A CN201710238084.6A CN201710238084A CN107192471A CN 107192471 A CN107192471 A CN 107192471A CN 201710238084 A CN201710238084 A CN 201710238084A CN 107192471 A CN107192471 A CN 107192471A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
- G01K7/24—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor in a specially-adapted circuit, e.g. bridge circuit
- G01K7/25—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor in a specially-adapted circuit, e.g. bridge circuit for modifying the output characteristic, e.g. linearising
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- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention provides a kind of New temperature compensation circuit for pneumatic sensor.High-temperature region pressure divider circuit, normal temperature area pressure divider circuit, low-temperature space pressure divider circuit, environment temperature measure loop and wind speed measurement loop of the New temperature compensation circuit for pneumatic sensor including single-chip microcomputer and respectively with the monolithic mechatronics.The present invention also provides a kind of compensation method using the New temperature compensation circuit for pneumatic sensor.Beneficial effects of the present invention：The wide scope temperature-compensating that the New temperature compensation method for pneumatic sensor not only solves traditional Sensor Temperature Compensation mode is not enough, also solves high and poor reliability the deficiency of cost compensated using scm software.
Description
Technical field
The invention belongs to technique for temperature compensation field, compensated more particularly to a kind of New temperature for pneumatic sensor
Circuit and compensation method.
Background technology
Pneumatic sensor on the market, is mainly used for the devices such as air purifier, central air-conditioning, electric motor starting.It is pneumatic
The operation principle of sensor is that, by the use of PTC as inductive head, when it reaches Curie-point temperature, sensor is in poised state,
Once blowing air over PTC surfaces, then PTC temperature drops, its resistance can reduce, and be compared by bleeder circuit with normal voltage
Afterwards, sensor sends control signal, carries out the break-make control of triode, relay or other power devices.
Generally, the resistance (NTC) of a negative temperature coefficient can be designed on pneumatic sensor, for positive temperature system
Number PTC temperature-compensating.Because the temperature curve of two temperature and resistances is inconsistent, in the compensation effect gap of different temperature spots
Than larger.Because the product using object may be mounted in outdoor, the product of outdoor installation is substantially affected by environment, thus not
Same region is used, and the temperature characterisitic of product is accomplished by being modified, and is especially for use in the severe state of some environment temperatures
Under, the southern hyperpyrexia area of the extremely cold environment in such as northeast, northwest and Southeast Asia, it is necessary to which the use environment for sensor is carried out
The amendment of temperature-compensating, and because the client of pneumatic sensor is the manufacturer such as air-conditioning producer and clarifier producer, their visitor
Family may sell to different zones by the sale of agency, thus, the actual use region of sensor can not be clear and definite, only
It can be solved final in use, pinpointing the problems again, to client and supply commercial city cause trouble.
The content of the invention
It disclosure satisfy that temperature is mended under different occasions there is provided one kind it is an object of the invention to the defect for prior art
Requirement is repaid, the New temperature for pneumatic sensor of the particularly use requirement under hot environment and low temperature environment compensates electricity
Road and compensation method.
Technical scheme is as follows：A kind of New temperature compensation circuit for pneumatic sensor include single-chip microcomputer,
And high-temperature region pressure divider circuit respectively with the monolithic mechatronics, normal temperature area pressure divider circuit, low-temperature space pressure divider circuit, environment temperature
Spend measure loop and wind speed measurement loop；The environment temperature measure loop detection ambient temperature information is simultaneously defeated to the single-chip microcomputer
Go out environment temperature voltage V0, and normal temperature lower voltage limit V1 and normal temperature upper voltage limit V2 is set in the single-chip microcomputer, as the V0
During no more than V1, the single-chip microcomputer selects the output voltage of the low-temperature space pressure divider circuit as the ginseng in the wind speed measurement loop
Examine voltage；When the V0 is between V1 and V2, the output voltage of the single-chip microcomputer selection normal temperature area pressure divider circuit is made
For the reference voltage in the wind speed measurement loop；When the V0 is not less than V2, the single-chip microcomputer selects the high-temperature region partial pressure
The output voltage in loop as the wind speed measurement loop reference voltage.
Preferably, the high-temperature region pressure divider circuit includes resistance R1 and resistance R2, the resistance R1 and the institute being connected in parallel
State resistance R2 respectively with the monolithic mechatronics；Normal temperature area pressure divider circuit includes the resistance R3 and resistance being connected in parallel
R4, the resistance R3 and the resistance R4 respectively with the monolithic mechatronics；The low-temperature space pressure divider circuit includes in parallel connect
The resistance R5 and resistance R6, the resistance R5 and the resistance R6 connect respectively with the monolithic mechatronics.
Preferably, the environment temperature measure loop includes the resistance R7 and temperature sensor NTC being connected in parallel, the electricity
Hinder the R7 and temperature sensor NTC respectively with the monolithic mechatronics；The wind speed measurement loop includes what is be connected in parallel
Resistance R8 and air velocity transducer PTC, resistance R8 and the air velocity transducer PTC respectively with the monolithic mechatronics.
Preferably, in addition to power subsystem, the power subsystem respectively with the high-temperature region pressure divider circuit, the normal temperature area
Pressure divider circuit, the low-temperature space pressure divider circuit, the environment temperature measure loop and wind speed measurement loop electrical connection.
Preferably, the power subsystem includes Industrial Frequency Transformer T1, low frequency rectifier bridge DB1 and the voltage-stabiliser tube being sequentially connected electrically
U1, the voltage-stabiliser tube U1 are returned with the high-temperature region pressure divider circuit, normal temperature area pressure divider circuit, the low-temperature space partial pressure respectively
Road, the environment temperature measure loop and wind speed measurement loop electrical connection.
Preferably, in addition to the pilot lamp loop and relay circuit that are connected in parallel, the pilot lamp loop and it is described after
Electrical circuit respectively with the monolithic mechatronics；The weak signal that the relay circuit is used to export the single-chip microcomputer is converted
For high-power signal.
Preferably, the pilot lamp loop includes the resistance R9 and diode D1 being sequentially connected electrically with the single-chip microcomputer, institute
State diode D1 ground connection；The relay circuit includes the triode Q1 and relay being sequentially connected electrically with the single-chip microcomputer
RELAY1, the base stage of the triode Q1 and the monolithic mechatronics, the grounded emitter of the triode Q1, three pole
Pipe Q1 colelctor electrode is electrically connected with the relay RELAY1.
Preferably, the relay circuit also includes the diode D2 being arranged in parallel with the relay RELAY1, described
Diode D2 constitutes the aerial drainage diode of the relay RELAY1.
A kind of compensation side for the New temperature compensation circuit for being used for pneumatic sensor according to preceding claim is any
Method, comprises the following steps：Environment temperature measure loop detection ambient temperature information and to the single-chip microcomputer output environment temperature
Voltage V0 is spent, and normal temperature lower voltage limit V1 and normal temperature upper voltage limit V2 is set in the single-chip microcomputer, when the V0 is not more than V1
When, the single-chip microcomputer selects the output voltage of the low-temperature space pressure divider circuit as the reference voltage in the wind speed measurement loop；
When the V0 is between V1 and V2, the output voltage of the single-chip microcomputer selection normal temperature area pressure divider circuit is used as the wind
The reference voltage of fast measure loop；When the V0 is not less than V2, the single-chip microcomputer selects the defeated of the high-temperature region pressure divider circuit
Go out voltage as the reference voltage in the wind speed measurement loop.
The technical scheme that the present invention is provided has the advantages that：
1st, environment temperature is divided into third gear for the New temperature compensation circuit of pneumatic sensor and compensation method, forms three
Individual humidity province, solves the deviation of the temperature curve between negative temperature coefficient resister and positive temperature coefficient resistor, preferably carries out
Segmented temperature compensation；Using the voltage signal under the different temperatures of negative temperature coefficient in the loop, single-chip microcomputer is given by the signal
Judged, and then select that any road reference comparison voltages used；Monolithic is also given by the positive temperature and resistance PTC signals collected
Machine, and judgement is compared with reference comparison voltages, single-chip microcomputer sends control instruction, if the follow-up power device of control and after
Electrical equipment etc., so that the wide scope temperature-compensating for not only solving traditional Sensor Temperature Compensation mode is not enough, also solves profit
High and poor reliability the deficiency of the cost compensated with scm software；
2nd, it is described also to have calculating simple for the New temperature compensation circuit of pneumatic sensor and compensation method, to monolithic
Machine it is less demanding, cost is low, and amount of calculation is few, and reliability is high.
Brief description of the drawings
Fig. 1 is the structural representation of the New temperature compensation circuit provided in an embodiment of the present invention for pneumatic sensor；
Fig. 2 is that the New temperature compensation circuit shown in Fig. 1 for pneumatic sensor is applied to the structural frames of air purifier
Figure.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Element and component in the description of specific distinct unless the context otherwise, the present invention, quantity both can be with single shape
Formula is present, and form that can also be multiple is present, and the present invention is defined not to this.Although the step in the present invention is entered with label
Arrangement is gone, but is not used to limit the precedence of step, unless expressly stated the order of step or holding for certain step
Row is needed based on other steps, and otherwise the relative rank of step is adjustable.It is appreciated that used herein
Term "and/or" is related to and covers one of associated Listed Items or one or more of any and all possible group
Close.
Referring to Fig. 1, the New temperature compensation circuit provided in an embodiment of the present invention for pneumatic sensor includes power supply
Unit 10, single-chip microcomputer 20 and the high-temperature region pressure divider circuit 30 electrically connected respectively with the single-chip microcomputer 20, normal temperature area pressure divider circuit
40th, low-temperature space pressure divider circuit 50, environment temperature measure loop 60 and wind speed measurement loop 70.
The power subsystem 10 includes Industrial Frequency Transformer T1, low frequency rectifier bridge DB1 and the voltage-stabiliser tube U1 being sequentially connected electrically, institute
State voltage-stabiliser tube U1 respectively with the high-temperature region pressure divider circuit 30, normal temperature area pressure divider circuit 40, the low-temperature space pressure divider circuit
50th, the environment temperature measure loop 60 and the wind speed measurement loop 70 are electrically connected.Wherein, the Industrial Frequency Transformer T1 is used for
To be low pressure by 220V voltage conversions, representative value is 12V；The voltage-stabiliser tube U1 be used for by unstable DC voltage stability than
Relatively stable voltage, such as representative value 12V.
It is also in parallel provided with filtering between the low frequency rectifier bridge DB1 and the voltage-stabiliser tube U1 in the power subsystem 10
Electric capacity C1 and C2, are respectively used to the filtering of high frequency ripple and low-frequency ripple；
Moreover, after the voltage-stabiliser tube U1, being gone back in the power subsystem 10 and being connected to electric capacity C3, the electric capacity C3 is big
Capacity, the interference or damage of subsequent conditioning circuit are caused for preventing voltage jump.
The high-temperature region pressure divider circuit 30, normal temperature area pressure divider circuit 40, the low-temperature space pressure divider circuit 50 are used respectively
In carrying out voltage compensation in different temperatures interval range to the wind speed measurement loop 70.That is, within the scope of different temperature,
The single-chip microcomputer 20 controls the wind speed measurement loop 70 to select the high-temperature region pressure divider circuit 30, the normal temperature to distinguish pressure respectively
Loop 40 or the low-temperature space pressure divider circuit 50 are as the reference voltage.
Specifically, the high-temperature region pressure divider circuit 30 include the resistance R1 that is connected in parallel and resistance R2, the resistance R1 and
The resistance R2 is electrically connected with the single-chip microcomputer 20 respectively；
Normal temperature area pressure divider circuit 40 includes the resistance R3 and resistance R4, the resistance R3 and the resistance being connected in parallel
R4 is electrically connected with the single-chip microcomputer 20 respectively；
The low-temperature space pressure divider circuit 50 includes the resistance R5 and resistance R6, the resistance R5 and the resistance being connected in parallel
R6 is electrically connected with the single-chip microcomputer 20 respectively.
The environment temperature measure loop 60 includes the resistance R7 and temperature sensor NTC, the resistance R7 being connected in parallel
Electrically connected respectively with the single-chip microcomputer 20 with the temperature sensor NTC, and the temperature sensor NTC is negative temperature coefficient
Thermistor.
The wind speed measurement loop 70 includes the resistance R8 and air velocity transducer PTC being connected in parallel, resistance R8 and the wind
Fast sensor PTC is electrically connected with the single-chip microcomputer 20 respectively, and the air velocity transducer PTC is the semi-conductor electricity of positive temperature coefficient
Resistance.
In the present embodiment, the high-temperature region pressure divider circuit 30, normal temperature area pressure divider circuit 40, the low-temperature space partial pressure
Two electricity components in loop 50, the environment temperature measure loop 60 and the wind speed measurement loop 70, one of electricity
Learn element to electrically connect with the power subsystem 10, another ground connection.
Moreover, being also serially connected with microcontroller power supply M, the single-chip microcomputer between the power subsystem 10 and the single-chip microcomputer 20
Power supply M is that the low voltage power supply for being directed to the single-chip microcomputer 20 is designed, and its output voltage is stable 3.7V.
In addition, if it is assumed that the detection ambient temperature information of environment temperature measure loop 60 is simultaneously defeated to the single-chip microcomputer 20
Go out environment temperature voltage V0, and the setting normal temperature lower voltage limit V in the single-chip microcomputer 201With normal temperature upper voltage limit V2,
As the V0No more than V1When, the single-chip microcomputer 20 selects the output voltage conduct of the low-temperature space pressure divider circuit 50
The reference voltage in the wind speed measurement loop 70；
As the V0Between V1And V2Between when, the single-chip microcomputer 20 select normal temperature area pressure divider circuit 40 output electricity
Press the reference voltage as the wind speed measurement loop 70；
As the V0Not less than V2When, the single-chip microcomputer 20 selects the output voltage conduct of the high-temperature region pressure divider circuit 30
The reference voltage in the wind speed measurement loop 70.
In addition, the New temperature compensation circuit for pneumatic sensor also includes the pilot lamp loop 80 being connected in parallel
With relay circuit 90, the pilot lamp loop 80 and the relay circuit 90 are electrically connected with the single-chip microcomputer 20 respectively.
Wherein, the pilot lamp loop 80 includes the resistance R9 and diode D1 being sequentially connected electrically with the single-chip microcomputer 20,
The diode D1 ground connection；
The weak signal that the relay circuit 90 is used to export the single-chip microcomputer 20 is converted into high-power signal, and described
Relay circuit 90 includes the triode Q1 and relay RELAY1, the triode Q1 being sequentially connected electrically with the single-chip microcomputer 20
Base stage electrically connected with the single-chip microcomputer 20, the grounded emitter of the triode Q1, the colelctor electrode of the triode Q1 and institute
State relay RELAY1 electrical connections.
Moreover, the relay circuit 90 also includes the diode D2 being arranged in parallel with the relay RELAY1, it is described
Diode D2 constitutes the aerial drainage diode of the relay RELAY1.
It should be noted that high pressure can be accessed after the relay RELAY1 of the relay circuit 90 produces load or suitable
For other loads of different occasions, the present invention is not limited this.
For example, referring to Fig. 2, by taking the application of air purifier as an example, in the air purifier, it is described be used for it is pneumatic
The New temperature compensation circuit of sensor produces the high pressure conditions of thousands of volts to use by the closure of the relay RELAY1
Environment sterilization is carried out in producing ozone, then the state logic flow in the New temperature compensation circuit for pneumatic sensor
It is as shown in the table：
Based on upper table, when environment temperature is in normal temperature area (V1-V2), the single-chip microcomputer 20 selects normal temperature area pressure divider circuit 40
For reference comparison voltages, when the air velocity transducer PTC detected wind by when, the single-chip microcomputer 20 sends instruction, described
Triode Q1 is turned on, the relay RELAY1 closures, is driven loaded work piece below, such as is produced high pressure；When the wind speed is passed
Sensor PTC do not detected wind by when, the single-chip microcomputer 20 sends instruction, the triode Q1 cut-offs, the relay
RELAY1 disconnects, behind load and do not work.
Similarly, when environment temperature be in high-temperature region (>=V2) and low-temperature space (<V1), the single-chip microcomputer 20 selects described respectively
High-temperature region pressure divider circuit 30 and the low-temperature space pressure divider circuit 50 are used as reference comparison voltages, other working methods and normal temperature area phase
Together, it will not be described here.
Moreover, it will be appreciated that the New temperature compensation circuit for pneumatic sensor can also carry out Communication Control
The extension of aspect, such as, using MAX485 bus structures, communicated with host computer, is easy to Intelligent Measurement and the control of system.
A kind of compensation method according to Fig. 1 for the New temperature compensation circuit of pneumatic sensor includes following step
Suddenly：Environment temperature measure loop detection ambient temperature information and to the single-chip microcomputer output environment temperature voltage V0, and
Setting normal temperature lower voltage limit V in the single-chip microcomputer1With normal temperature upper voltage limit V2,
As the V0No more than V1When, the single-chip microcomputer selects the output voltage of the low-temperature space pressure divider circuit as described
The reference voltage in wind speed measurement loop；
As the V0Between V1And V2Between when, the output voltage of single-chip microcomputer selection normal temperature area pressure divider circuit is made
For the reference voltage in the wind speed measurement loop；
As the V0Not less than V2When, the single-chip microcomputer selects the output voltage of the high-temperature region pressure divider circuit as described
The reference voltage in wind speed measurement loop.
Compared to prior art, the technical scheme that the present invention is provided has the advantages that：
1st, environment temperature is divided into third gear for the New temperature compensation circuit of pneumatic sensor and compensation method, forms three
Individual humidity province, solves the deviation of the temperature curve between negative temperature coefficient resister and positive temperature coefficient resistor, preferably carries out
Segmented temperature compensation；Using the voltage signal under the different temperatures of negative temperature coefficient in the loop, single-chip microcomputer is given by the signal
Judged, and then select that any road reference comparison voltages used；Monolithic is also given by the positive temperature and resistance PTC signals collected
Machine, and judgement is compared with reference comparison voltages, single-chip microcomputer sends control instruction, if the follow-up power device of control and after
Electrical equipment etc., so that the wide scope temperature-compensating for not only solving traditional Sensor Temperature Compensation mode is not enough, also solves profit
High and poor reliability the deficiency of the cost compensated with scm software；
2nd, it is described also to have calculating simple for the New temperature compensation circuit of pneumatic sensor and compensation method, to monolithic
Machine it is less demanding, cost is low, and amount of calculation is few, and reliability is high.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (9)
1. a kind of New temperature compensation circuit for pneumatic sensor, it is characterised in that：Including single-chip microcomputer and respectively with it is described
The high-temperature region pressure divider circuits of monolithic mechatronics, normal temperature area pressure divider circuit, low-temperature space pressure divider circuit, environment temperature measure loop and
Wind speed measurement loop；
Environment temperature measure loop detection ambient temperature information and to the single-chip microcomputer output environment temperature voltage V0, and
Setting normal temperature lower voltage limit V in the single-chip microcomputer1With normal temperature upper voltage limit V2,
As the V0No more than V1When, the single-chip microcomputer selects the output voltage of the low-temperature space pressure divider circuit to be used as the wind speed
The reference voltage of measure loop；
As the V0Between V1And V2Between when, the output voltage of single-chip microcomputer selection normal temperature area pressure divider circuit is used as institute
State the reference voltage in wind speed measurement loop；
As the V0Not less than V2When, the single-chip microcomputer selects the output voltage of the high-temperature region pressure divider circuit to be used as the wind speed
The reference voltage of measure loop.
2. the New temperature compensation circuit according to claim 1 for pneumatic sensor, it is characterised in that：The high temperature
Area's pressure divider circuit include the resistance R1 that is connected in parallel and resistance R2, the resistance R1 and the resistance R2 respectively with the single-chip microcomputer
Electrical connection；
Normal temperature area pressure divider circuit includes the resistance R3 being connected in parallel and resistance R4, the resistance R3 and the resistance R4 difference
With the monolithic mechatronics；
The low-temperature space pressure divider circuit includes the resistance R5 being connected in parallel and resistance R6, the resistance R5 and the resistance R6 difference
With the monolithic mechatronics.
3. the New temperature compensation circuit according to claim 1 for pneumatic sensor, it is characterised in that：The environment
Temperature detection loop includes the resistance R7 and temperature sensor NTC, the resistance R7 and the temperature sensor NTC being connected in parallel
Respectively with the monolithic mechatronics；
The wind speed measurement loop includes the resistance R8 and air velocity transducer PTC being connected in parallel, resistance R8 and wind speed sensing
Device PTC respectively with the monolithic mechatronics.
4. the New temperature compensation circuit according to claim 1 for pneumatic sensor, it is characterised in that：Also include electricity
Source unit, the power subsystem respectively with the high-temperature region pressure divider circuit, normal temperature area pressure divider circuit, the low-temperature space partial pressure
Loop, the environment temperature measure loop and wind speed measurement loop electrical connection.
5. the New temperature compensation method according to claim 4 for pneumatic sensor, it is characterised in that：The power supply
Unit include the Industrial Frequency Transformer T1, the low frequency rectifier bridge DB1 that are sequentially connected electrically and voltage-stabiliser tube U1, the voltage-stabiliser tube U1 respectively with institute
State high-temperature region pressure divider circuit, normal temperature area pressure divider circuit, the low-temperature space pressure divider circuit, the environment temperature measure loop and
The wind speed measurement loop electrical connection.
6. the New temperature compensation circuit according to claim 1 for pneumatic sensor, it is characterised in that：Also include simultaneously
Join the pilot lamp loop and relay circuit of connection, the pilot lamp loop and the relay circuit respectively with the single-chip microcomputer
Electrical connection；
The weak signal that the relay circuit is used to export the single-chip microcomputer is converted into high-power signal.
7. the New temperature compensation circuit according to claim 6 for pneumatic sensor, it is characterised in that：It is described to indicate
Lamp loop includes the resistance R9 being sequentially connected electrically with the single-chip microcomputer and diode D1, the diode D1 ground connection；
The relay circuit includes the triode Q1 and relay RELAY1 being sequentially connected electrically with the single-chip microcomputer, three pole
Pipe Q1 base stage and the monolithic mechatronics, the grounded emitter of the triode Q1, the colelctor electrode of the triode Q1 with
The relay RELAY1 electrical connections.
8. the New temperature compensation circuit according to claim 7 for pneumatic sensor, it is characterised in that：The relay
The diode D2, the diode D2 that device loop also includes being arranged in parallel with the relay RELAY1 constitute the relay
RELAY1 aerial drainage diode.
9. a kind of compensation method for the New temperature compensation circuit for being used for pneumatic sensor according to claim 1-8 is any,
It is characterized in that：Environment temperature measure loop detection ambient temperature information and to the single-chip microcomputer output environment temperature voltage
V0, and the setting normal temperature lower voltage limit V in the single-chip microcomputer1With normal temperature upper voltage limit V2,
As the V0No more than V1When, the single-chip microcomputer selects the output voltage of the low-temperature space pressure divider circuit to be used as the wind speed
The reference voltage of measure loop；
As the V0Between V1And V2Between when, the output voltage of single-chip microcomputer selection normal temperature area pressure divider circuit is used as institute
State the reference voltage in wind speed measurement loop；
As the V0Not less than V2When, the single-chip microcomputer selects the output voltage of the high-temperature region pressure divider circuit to be used as the wind speed
The reference voltage of measure loop.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412663A (en) * | 2019-08-07 | 2019-11-05 | 北京卫星环境工程研究所 | A kind of flat meteorologic parameter measuring system in high-altitude and measurement method |
| CN112082181A (en) * | 2019-06-12 | 2020-12-15 | 广东合捷电器股份有限公司 | Purifier and smoke ventilator |
| CN114911295A (en) * | 2021-02-09 | 2022-08-16 | 中国科学院微电子研究所 | Compensation circuit, method and equipment of sensor |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU788003A1 (en) * | 1979-02-12 | 1980-12-15 | Агрофизический научно-исследовательский институт | Flow rate measuring method |
| US5072614A (en) * | 1989-03-10 | 1991-12-17 | Yamatake-Honeywell Co., Ltd. | Temperature compensating circuit |
| JPH1164063A (en) * | 1997-08-22 | 1999-03-05 | Mitsui Mining & Smelting Co Ltd | Flow rate sensor |
| JP2004309202A (en) * | 2003-04-03 | 2004-11-04 | Kona Sapporo Kk | Wind speed, and air volume sensor |
| CN102331266A (en) * | 2011-06-13 | 2012-01-25 | 无锡格林通安全装备有限公司 | Multi-parameter gas sensor compensating method |
| CN202956389U (en) * | 2012-10-08 | 2013-05-29 | 华北电力大学 | Portable wind speed measuring device |
| CN103217549A (en) * | 2013-03-29 | 2013-07-24 | 北京遥测技术研究所 | Thermistor type air velocity transducer with temperature compensation |
| CN103869866A (en) * | 2012-12-14 | 2014-06-18 | 力智电子股份有限公司 | Reference voltage generator of grid drive circuit and reference voltage generating method |
| CN204214884U (en) * | 2014-12-01 | 2015-03-18 | 北京欧美利华科技有限公司 | Based on the data collector of ThermoAir3 anemoscope |
| CN104483506A (en) * | 2014-12-04 | 2015-04-01 | 上海力申科学仪器有限公司 | Wind speed measurer with monitoring function |
-
2017
- 2017-04-13 CN CN201710238084.6A patent/CN107192471B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU788003A1 (en) * | 1979-02-12 | 1980-12-15 | Агрофизический научно-исследовательский институт | Flow rate measuring method |
| US5072614A (en) * | 1989-03-10 | 1991-12-17 | Yamatake-Honeywell Co., Ltd. | Temperature compensating circuit |
| JPH1164063A (en) * | 1997-08-22 | 1999-03-05 | Mitsui Mining & Smelting Co Ltd | Flow rate sensor |
| JP2004309202A (en) * | 2003-04-03 | 2004-11-04 | Kona Sapporo Kk | Wind speed, and air volume sensor |
| CN102331266A (en) * | 2011-06-13 | 2012-01-25 | 无锡格林通安全装备有限公司 | Multi-parameter gas sensor compensating method |
| CN202956389U (en) * | 2012-10-08 | 2013-05-29 | 华北电力大学 | Portable wind speed measuring device |
| CN103869866A (en) * | 2012-12-14 | 2014-06-18 | 力智电子股份有限公司 | Reference voltage generator of grid drive circuit and reference voltage generating method |
| CN103217549A (en) * | 2013-03-29 | 2013-07-24 | 北京遥测技术研究所 | Thermistor type air velocity transducer with temperature compensation |
| CN204214884U (en) * | 2014-12-01 | 2015-03-18 | 北京欧美利华科技有限公司 | Based on the data collector of ThermoAir3 anemoscope |
| CN104483506A (en) * | 2014-12-04 | 2015-04-01 | 上海力申科学仪器有限公司 | Wind speed measurer with monitoring function |
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| CN112082181A (en) * | 2019-06-12 | 2020-12-15 | 广东合捷电器股份有限公司 | Purifier and smoke ventilator |
| CN112082181B (en) * | 2019-06-12 | 2021-08-31 | 广东合捷电器股份有限公司 | Purifier and smoke ventilator |
| CN110412663A (en) * | 2019-08-07 | 2019-11-05 | 北京卫星环境工程研究所 | A kind of flat meteorologic parameter measuring system in high-altitude and measurement method |
| CN110412663B (en) * | 2019-08-07 | 2021-03-23 | 北京卫星环境工程研究所 | High-altitude flat plate type meteorological parameter measuring system and method |
| CN114911295A (en) * | 2021-02-09 | 2022-08-16 | 中国科学院微电子研究所 | Compensation circuit, method and equipment of sensor |
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