CN206975451U - Pitot closed-loop control heats deicing sensor probe - Google Patents
Pitot closed-loop control heats deicing sensor probe Download PDFInfo
- Publication number
- CN206975451U CN206975451U CN201720606825.7U CN201720606825U CN206975451U CN 206975451 U CN206975451 U CN 206975451U CN 201720606825 U CN201720606825 U CN 201720606825U CN 206975451 U CN206975451 U CN 206975451U
- Authority
- CN
- China
- Prior art keywords
- probe
- pitot
- closed
- sensor
- central processor
- 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.)
- Active
Links
Landscapes
- Control Of Temperature (AREA)
Abstract
The utility model proposes a kind of pitot closed-loop control heat deicing sensor probe, it is desirable to provide a kind of accurate, low in energy consumption, reliability the is high heating control device of temperature control.The utility model is achieved by following technical proposals：Heat deicing controller（10）Including：One end is electrically connected the upper power supply that picks（8）, other end electrical connection central processor CPU（5）Voltage transformation module（4）, voltage transformation module（4）Pass through central processor CPU（5）Connect PWM Wave heating modules（6）With power supply on machine（8）Form the first closed loop, probe temperature sensor（1）Pass through analog quantity conditioning module（2）Series connection A/D converter（3）, analog quantity conditioning module and A/D converter pass through voltage transformation module（4）Connect central processor CPU（5）, A/D converter electrical connection central processor CPU the second closed loop of composition.The utility model can be applied in the heating system of probe or in the heating system of weathercock.
Description
Technical field
It the utility model is related to a kind of total Air Temperature aircraft airspeed pipe heating deicing probe.
Background technology
The pitot probe of aircraft is measurement air-flow stagnation pressure and static pressure to determine a kind of tube of air velocity.Air speed
Pipe is survey tool particularly important on aircraft.The installation site of pitot probe must be received aircraft exterior air-flow is less
The region that aircraft influences, in order to prevent pitot probe distal end aperture ice blockage awing, the pitot on general aircraft
There is electric warming device.
Probe heating control system of the prior art is made up of relay and heater strip, is directly controlled by relay
What heater strip was heated.This mode of heating is to control the relay contact in heating system by other equipment on aircraft
Break-make is realized to heater strip electrified regulation.Taken due to this heating mode and heater strip progress is directly connected by relay manually
Heating, heating-up temperature is not controlled, had the following disadvantages：First, heater strip is in full heated condition all the time, add winged
The unnecessary electric power consumption of machine；Two are the increase in the risk of probe deformation, will cause to visit in low latitude or state of ground heating
Head overheating deforming；Third, relay weight is big, reliability is low；Fourth, opened loop control, the warm-up mode of probe is indefinite.
The content of the invention
The purpose of this utility model is in view of the deficiencies of the prior art, there is provided a kind of temperature control is accurate, low in energy consumption, reliable
Property pitot closed-loop control heating deicing sensor probe high, in light weight.
Technical solution provided by the utility model is：A kind of pitot closed-loop control heats deicing sensor probe,
Including：In probe heat affected zone, the probe temperature sensor 1 of impression probe heterogeneity phantom, be connected electrically on machine power supply 8 with
PWM Wave heatings module 6 between probe heater strip 7, it is fixed on the heating deicing controller of the bend pipe afterbody bottom of sensor probe 9
10, it is characterised in that：Heating deicing controller 10 includes：One end is electrically connected the upper power supply 8 that picks, other end electrical connection central processing unit
CPU5 voltage transformation module 4, voltage transformation module 4 connect PWM Wave heatings module 6 and electricity on machine by central processor CPU 5
Source 8 forms the first closed loop, and probe temperature sensor 1 is adjusted by the series connection A/D converter 3 of analog quantity conditioning module 2, analog quantity
Reason module 2 and A/D converter 3 pass through voltage transformation module（4）Central processor CPU 5 is connected, A/D converter 3 electrically connects center
Processor CPU5 forms the second closed loop.
The utility model has the advantages that compared to prior art.
Temperature control is accurate, low in energy consumption：The utility model can be reduced when inessential using the heating of PWM ripples control heater strip
The heating power consumption of probe, heating power consumption expense during aircraft flight in the air is reduced, while using MOSFET as power discharging device,
Realize the accurate control to the heat affected zone thermal field of probe.PWM Wave heatings module heats the duty of 27V/ ON signals by adjusting
Than realizing the control to heating intensity, single channel heating power can reach 1000W, is much higher than traditional relay heating mode
Rated power.Probe temperature sensor is directly installed on probe inside, does not destroy the aerodynamic configuration of probe.Probe temperature sensor
It is close to the heat affected zone of probe, heating effect of the accurate measurement " heater strip " to probe.Enhance to probe heating control
Accuracy and stability, save power consumption of the aircraft in flight, it also avoid pop one's head in superheated may caused by deform.
Reliability is high：The utility model, which uses, to be arranged in probe heat affected zone, the probe temperature of impression probe heterogeneity phantom
Sensor, be electrically connected the PWM Wave heatings module and voltage transformation module of upper power supply of picking, probe temperature sensor feedback impression probe
Heterogeneity phantom, PWM heating modules using MOSFET element be used as power-ourput device, introduce probe heat digitlization control
System, the digitlization for being easy to flight control system with probe heating control subsystem are docked.Central processor CPU is using full automatic
Heating control, the dutycycle of PWM Wave heating modules is adjusted, adjusting PWM Wave heatings module 6 according to comparative result exports heating power supply
Dutycycle come realize to probe heater strip 7 heat power regulation, closed-loop dynamic control probe temperature sensor, can will
The temperature control of probe avoids traditional relay warm up mode from causing full heated condition to pop one's head in and heated in default threshold value
Cause the risk of deformation to excessive temperature.Electricity can start probe heating on aircraft, reduce the operation of pilot.
It is in light weight：The utility model is arranged on " probe temperature sensor " in probe heat affected zone（It can install if necessary more
Individual probe temperature sensor is to experience the heterogeneity phantom of large-scale probe）, the pulse-width modulation PWM Wave heating of an adjustable dutycycle
Module, a central processor CPU that probe heterogeneity phantom is experienced according to probe temperature sensor, using the side of closed-loop control
Formula heats to probe, the accurate closed-loop control to thermal field of popping one's head in is realized, compared to traditional relay warm up mode volume
It is small, it is in light weight.
The utility model can upload warm-up mode information and probe in real time according to the increase in demand bus communication module of aircraft
The information such as temperature.The utility model can have both been applied in the heating system of probe or in the heating system of weathercock.
Brief description of the drawings
Fig. 1 is the organigram of the utility model pitot closed-loop control heating deicing sensor probe.
Fig. 2 is Fig. 1 heating deicing controller circuitry principle schematics.
Fig. 3 is Fig. 2 operation principle schematic diagram.
Fig. 4 is the circuit theory schematic diagram of Fig. 2 PWM ripple control modules.
In figure：1 probe temperature sensor, 2 analog quantity conditioning modules, 3 probe As/D converters, 4 probe voltage moduluss of conversion
Block, 5 central processor CPUs, 6PWM Wave heating modules, 7 probe heater strips, power supply on 8 aircraft machines, 9 sensor probes, 10 heatings
Deicing controller, I gas circuit chambers, II probe temperature sensors, III heater strips, IV gas circuits.
Embodiment
Refering to Fig. 1-Fig. 3.In embodiment described below, a kind of pitot closed-loop control heating is visited except ice sensor
Head, including：In probe heat affected zone, the probe temperature sensor 1 of impression probe heterogeneity phantom, power supply on machine is connected electrically in
PWM Wave heatings module 6 between 8 and probe heater strip 7, is fixed on the heating deicing control of the bend pipe afterbody bottom of sensor probe 9
Device 10 processed, it is characterised in that：Heating deicing controller 10 includes：One end is electrically connected the upper power supply 8 that picks, other end electrical connection centre
Device CPU5 voltage transformation module 4 is managed, voltage transformation module 4 connects PWM Wave heatings module 6 and machine by central processor CPU 5
Upper power supply 8 forms the first closed loop, and probe temperature sensor 1 passes through the series connection A/D converter 3 of analog quantity conditioning module 2, simulation
Measure conditioning module 2 and A/D converter 3 and central processor CPU 5 is connected by voltage transformation module 4, during A/D converter 3 electrically connects
Central processor CPU5 forms the second closed loop.Wherein, probe temperature sensor 1 is arranged in the tube head of pitot probe 9, must
The mount point of multiple probe temperature sensors 1 can be selected when wanting according to the size of probe；Analog quantity conditioning module 2 and A/D conversions
The required operating voltage that works of device 3 is provided by voltage transformation module 4.Probe temperature sensor 1 is gone here and there by analog quantity conditioning module 2
Joining A/D converter 3, resistance signal is sent into the conditioning of analog quantity conditioning module 2 and is converted to voltage signal by probe temperature sensor 1,
Be converted to via A/D converter 3 and handled for central processor CPU 5 after data signal, central processor CPU 5 is according to collecting
Temperature signal to regulation PWM Wave heatings module 6 send control signal, with probe heating predetermined threshold value compared with, according to than
The dutycycle of relatively result regulation PWM Wave heatings module 6, to the probe output pulse width modulation (PWM) ripple of heater strip 7, regulation probe heating
Silk 7 heats power, by the temperature control of probe in default threshold value, is realized by adjusting the dutycycle of heating power supply to visiting
Head heater strip 7 heats the regulation of power.
It is embedding that the inwall of pitot 9 body air intake ducts of probe is embedded with probe temperature sensor II, probe temperature sensor II
Enter the inwall in probe body air intake duct, probe temperature sensor II impressions are wrapped in probe ozzle circular cone cavity heater strip III
Heating effect.During practical flight, blocked in order to avoid being considered to be worth doing at gas circuit chamber I or probe ozzle by ice, block pitot
Body gas circuit of popping one's head in IV's is unimpeded, and heater strip III heats to probe body air intake duct gas circuit chamber I, if necessary, can pop one's head in
The big end section inwall installation probe temperature sensor II of ozzle circular cone cavity, makes the probe thermal field of impression more uniform, temperature control
It is more accurate.Avoiding air intake duct V from freezing and block gas circuit, heater strip III is uniformly wrapped on the inwall of probe body air intake duct,
Air intake duct is heated by being powered to heater strip.In probe temperature sensor II insertion inwalls, the temperature of direct feeling inwall,
Measure heating effect.
Refering to Fig. 4, PWM ripples control module 6 includes：Electrically connect the resistance R1 of central processor CPU, connect DGND two poles
Pipe V1, the electric capacity C1 being connected in parallel between resistance R1 and diode V1 and its be connected in parallel on electric capacity C1 both ends photoelectrical coupler N1A and
By photoelectrical coupler N1A series resistance R2, the metal oxide semiconductor field effect tube electrically connected through shunt circuit resistance R2
MOSFET power amplifirer V3, and it is connected in parallel on the Transient Suppression Diode V2 and its resistance at MOSFET power amplifirer V3 both ends
R4 and Transient Suppression Diode V4.Electricity of the Transient Suppression Diode V2 at MOSFET power amplifirer V3 both ends to connection resistance R4
Source suppresses spike caused by power supply, and electric power output voltage is heated by Transient Suppression Diode V4.Caused by central processor CPU
The PWM wave control signals of Transistor-Transistor Logic level, MOSFET power amplifirer V3 are directly driven after photoelectrical coupler N1A level conversions,
Different MOSFET power amplifirer V3 are selected to heat probe according to the concrete condition of probe heater strip.
Claims (9)
1. a kind of pitot closed-loop control heats deicing sensor probe, including：In probe heat affected zone, impression probe heat
The probe temperature sensor of field distribution（1）, it is connected electrically in power supply on machine（8）With heater strip of popping one's head in（7）Between PWM Wave heating moulds
Block（6）, it is fixed on sensor probe（9）The heating deicing controller of bend pipe afterbody bottom（10）, it is characterised in that：Heat deicing
Controller（10）Including：One end is electrically connected the upper power supply that picks（8）, other end electrical connection central processor CPU（5）Voltage conversion mould
Block（4）, voltage transformation module（4）Pass through central processor CPU（5）Connect PWM Wave heating modules（6）With power supply on machine（8）Shape
Into the first closed loop, probe temperature sensor（1）Pass through analog quantity conditioning module（2）Series connection A/D converter（3）, analog quantity
Conditioning module（2）And A/D converter（3）Pass through voltage transformation module（4）Connect central processor CPU（5）, A/D converter（3）
Electrically connect central processor CPU（5）Form the second closed loop.
2. pitot closed-loop control as claimed in claim 1 heats deicing sensor probe, it is characterised in that probe temperature passes
Sensor（1）In the tube head of pitot probe.
3. pitot closed-loop control as claimed in claim 1 heats deicing sensor probe, it is characterised in that analog quantity is nursed one's health
Module（2）And A/D converter（3）Operating voltage needed for work is by voltage transformation module（4）There is provided.
4. pitot closed-loop control as claimed in claim 1 heats deicing sensor probe, it is characterised in that pitot is popped one's head in
The inwall of body air intake duct is embedded with probe temperature sensor II, and probe temperature sensor II impressions are wrapped in probe ozzle circular cone
Cavity heater strip III heating effect.
5. pitot closed-loop control as claimed in claim 4 heats deicing sensor probe, it is characterised in that heater strip III
Probe body air intake duct gas circuit chamber I is heated, or passed in the big end section inwall installation probe temperature of probe ozzle circular cone cavity
Sensor II.
6. pitot closed-loop control as claimed in claim 1 heats deicing sensor probe, it is characterised in that PWM Wave heatings
Module（6）Including：Electrically connect the resistance R1 of central processor CPU, connect DGND diode V1, be connected in parallel on resistance R1 and two poles
Electric capacity C1 between pipe V1 and its it is connected in parallel on the photoelectrical coupler N1A at electric capacity C1 both ends and by photoelectrical coupler N1A series electricals
R2 is hindered, the metal oxide semiconductor field effect tube MOSFET power amplifirer V3 electrically connected through shunt circuit resistance R2, and
It is connected in parallel on the Transient Suppression Diode V2 and its resistance R4 and Transient Suppression Diode V4 at MOSFET power amplifirer V3 both ends.
7. pitot closed-loop control as claimed in claim 6 heats deicing sensor probe, it is characterised in that MOSFET power
The Transient Suppression Diode V2 at amplifirer V3 both ends is pressed down to spike caused by connection resistance R4 power supply suppression power supply by transient state
Diode V4 processed heats electric power output voltage.
8. pitot closed-loop control as claimed in claim 1 heats deicing sensor probe, it is characterised in that central processing unit
CPU（5）The PWM wave control signals of caused Transistor-Transistor Logic level, MOSFET is directly driven after photoelectrical coupler N1A level conversions
Power amplifirer V3, heater strip of popping one's head in（7）Different MOSFET power amplifirer V3 are heated to probe.
9. pitot closed-loop control as claimed in claim 1 heats deicing sensor probe, it is characterised in that probe temperature passes
Sensor（1）Resistance signal is sent into analog quantity conditioning module（2）Conditioning is converted to voltage signal, via A/D converter（3）Conversion
To supply central processor CPU after data signal（5）Processing, central processor CPU（5）According to the temperature signal collected to regulation
PWM Wave heating modules（6）Control signal is sent, compared with the predetermined threshold value of probe heating, according to comparative result regulation PWM
Wave heating module（6）Dutycycle, to probe heater strip（7）Output pulse width modulation (PWM) ripple, regulation probe heater strip（7）Heating
Power, by the temperature control of probe in default threshold value, the dutycycle that power supply is heated by adjusting heats to realize to probe
Silk（7）Heat the regulation of power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720606825.7U CN206975451U (en) | 2017-05-27 | 2017-05-27 | Pitot closed-loop control heats deicing sensor probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720606825.7U CN206975451U (en) | 2017-05-27 | 2017-05-27 | Pitot closed-loop control heats deicing sensor probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206975451U true CN206975451U (en) | 2018-02-06 |
Family
ID=61409987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720606825.7U Active CN206975451U (en) | 2017-05-27 | 2017-05-27 | Pitot closed-loop control heats deicing sensor probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206975451U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110856280A (en) * | 2018-08-21 | 2020-02-28 | 霍尼韦尔国际公司 | Enhanced skin-tug power management system and method |
| US20210107678A1 (en) * | 2019-10-11 | 2021-04-15 | Shanghai Autoflight Co., Ltd. | Integrated heating airspeed tube and unmanned aerial vehicle including same |
-
2017
- 2017-05-27 CN CN201720606825.7U patent/CN206975451U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110856280A (en) * | 2018-08-21 | 2020-02-28 | 霍尼韦尔国际公司 | Enhanced skin-tug power management system and method |
| US11524790B2 (en) | 2018-08-21 | 2022-12-13 | Honeywell International Inc. | Enhanced pitot tube power management system and method |
| US20210107678A1 (en) * | 2019-10-11 | 2021-04-15 | Shanghai Autoflight Co., Ltd. | Integrated heating airspeed tube and unmanned aerial vehicle including same |
| US11780602B2 (en) * | 2019-10-11 | 2023-10-10 | Shanghai Autoflight Co., Ltd. | Integrated heating airspeed tube and unmanned aerial vehicle including same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107065969A (en) | Closed loop probe heating control system | |
| US7217091B2 (en) | Methods and apparatus for deicing airfoils or rotor blades | |
| CN206975451U (en) | Pitot closed-loop control heats deicing sensor probe | |
| CN106067575A (en) | A kind of dynamic lithium battery group thermal management control device | |
| CN107100803B (en) | Based on air heating fan blade is anti-icing, deicing system | |
| CN207360592U (en) | A kind of oil electric mixed dynamic unmanned plane cooling system | |
| CN206111436U (en) | Realize hybrid heating's wind generating set deicing system | |
| CN203233809U (en) | Green house temperature and humidity control system | |
| CN203472867U (en) | Side wall warm air blower in locomotive driver's cab | |
| CN103283537A (en) | Green house temperature and humidity control system | |
| CN201265565Y (en) | Vacuum oil diffusion pump | |
| CN204732855U (en) | A kind of motor over-temperature controller | |
| CN201623678U (en) | Automatic speed regulating device of radiating fan based on single chip microcomputer PWM | |
| CN206513504U (en) | A kind of pneumatic equipment bladess | |
| CN109296509A (en) | Blade gas electrothermal deicing system and wind-driven generator for wind-driven generator | |
| CN105848317A (en) | Intelligent temperature control heating device and preparation method therefor | |
| CN204482054U (en) | Intelligent temperature control heater part | |
| CN210781868U (en) | Radiating circuit automatically controlled by excitation silicon controlled module | |
| CN105083513A (en) | Onboard water-cooled power driver control device | |
| CN209311932U (en) | A kind of low-power consumption energy-saving constant-temperature circuit for being heated inside wire mouse | |
| CN206420111U (en) | A kind of two-dimentional wind-heat control energy-saving control system of intelligence | |
| CN207719321U (en) | A kind of fuel cell | |
| CN112610943A (en) | Steam generating device with adjustable power | |
| CN206557629U (en) | Direct-heating constant temperature control wind sensor | |
| CN202214794U (en) | Adjustable control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |