CN102134948A - System for automatically closing window in case of wind and rain - Google Patents
System for automatically closing window in case of wind and rain Download PDFInfo
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- CN102134948A CN102134948A CN2011100203500A CN201110020350A CN102134948A CN 102134948 A CN102134948 A CN 102134948A CN 2011100203500 A CN2011100203500 A CN 2011100203500A CN 201110020350 A CN201110020350 A CN 201110020350A CN 102134948 A CN102134948 A CN 102134948A
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- 239000003990 capacitor Substances 0.000 claims abstract description 29
- 239000013078 crystal Substances 0.000 claims abstract description 22
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000006698 induction Effects 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 230000035945 sensitivity Effects 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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- 239000000523 sample Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The invention discloses a system for automatically closing a window in case of wind and rain, which relates to a window for detecting the wind and the rain and capable of being automatically closed, in particular to an intelligent induction window used in offices, houses and the like. The system comprises an induction part, a control part and an electric window, wherein the induction part is provided with an induction circuit which is formed by parallelly connecting a rain water sensor circuit and a wind speed sensor circuit; the wind speed sensor circuit comprises a wind speed sensor FS, a crystal triode Q1, resistors R4, R5 and R6 and an amplifier LM324; the control part comprises a voltage comparator LM111, an adjustable resistor R10, a resistor R11, a capacitor C1, a trigger FF1, a trigger FF2, a crystal triode Q2, a capacitor C2, a crystal diode D1 and a relay K; and the relay K is connected in parallel with the crystal diode D1 and is connected with the electric window. The system for automatically closing the window in case of the wind and the rain has a reasonable design, a simple structure and high sensitivity.
Description
Technical field
Window of the present invention is met the wind and rain automatic closing system and is related to a kind of window that is used to detect wind and rain and closes window automatically, the intelligent-induction window that be specially adapted to handle official business, dwelling house etc. used.
Background technology
At present used in the daily life all is ordinary window, also do not realize the automation of switch window, and sometimes unexpected the time, as there was an abrupt change in weather and in time do not close window to run into blowing and raining etc., cause family's property to suffer a loss, window is very important as if realizing that the chance rainwater is closed automatically.Existing various automatic electric windows on the market, but the function that detects wind and rain do not possessed.
Summary of the invention
The objective of the invention is provides a kind of window to meet the wind and rain automatic closing system at above-mentioned weak point, on existing motorized window basis, increased the wind and rain induction module, realized automatic induction wind and rain and instant pass automatically window outside window, and can regulate accordingly according to the height and the wind speed size of floor.
Window is met the wind and rain automatic closing system and taked following technical scheme to realize: window is met the wind and rain automatic closing system and is comprised the sensing part, control section and motorized window, the sensing part has sensor circuit, sensor circuit is composed in parallel by rain sensor circuit and air velocity transducer circuit, the rain sensor circuit comprises rain sensor YS, resistance R 7 and resistance R 8, described rain sensor YS adopts infrared correlation pipe, infrared correlation pipe comprises receiving tube LED and transmitting tube NPN-PHPTO, resistance R 7 is connected with receiving tube LED, resistance R 8 is connected with transmitting tube NPN-PHPTO, and infrared correlation pipe is used for the signal input to control circuit;
The air velocity transducer circuit comprises air velocity transducer FS, transistor Q1, resistance R 4, resistance R 5, resistance R 6 and amplifier LM324, air velocity transducer FS is made up of thermistor RT1, thermistor RT2, resistance R 3, adjustable resistance R1 and adjustable resistance R2, thermistor RT1 connects with resistance R 3 and adjustable resistance R1, thermistor RT2 connects with adjustable resistance R2, links to each other with transistor after the end of thermistor RT1 and thermistor RT2 links to each other; The end common ground of adjustable resistance R1 and adjustable resistance R2; Air velocity transducer FS has a, b, c and d totally 4 terminals, and a end and b end are the heating platinum wire, and c end and d end are thermocouple; The d end of air velocity transducer FS links to each other with the inverting input of amplifier LM324, resistance R 6, resistance R 5 and resistance R 4 series connection, one termination power VCC of resistance R 6, resistance R 6 links to each other with the emitter stage of transistor Q1, the ground level of transistor Q1 links to each other with the output of amplifier LM324, and the output of transmitting tube NPN-PHPTO links to each other with resistance R 4;
Control section mainly carries out analyzing and processing to sensor input signal, and by relay control motorized window, control section comprises voltage comparator LM111, adjustable resistance R10, resistance R 11, capacitor C 1, trigger FF1, trigger FF2, transistor Q2, capacitor C 2, crystal diode D1 and relay K, the inverting input P2 of voltage comparator LM111 links to each other with adjustable resistance R10, the in-phase input end P3 of voltage comparator LM111 links to each other with the input 2 of amplifier LM324, the output P7 of voltage comparator LM111 links to each other with resistance R 11, be serially connected with capacitor C 1 between resistance R 11 and the ground wire, resistance R 11, trigger FF1 and trigger FF2 series connection back link to each other with the base stage of transistor Q2, capacitor C 2 and transistor D1 parallel connection, the colelctor electrode of transistor Q2 links to each other with the common ends of capacitor C 2 and crystal diode D1, another common ends of capacitor C 2 and crystal diode D1 parallel connection links to each other with power supply VCC, links to each other with motorized window after relay K and the crystal diode D1 parallel connection;
One end of resistance R 9 links to each other with the in-phase input end P3 of the output of transmitting tube NPN-PHPTO and voltage comparator LM111.
The groundwork principle of motorized window is, drives window by a motor and prolonging track and move back and forth, and perhaps rotates shutter by a cover mechanical device, and control motor positive and negative transfers realization.Core wherein is exactly a motor, and now the brand and the kind of motor is a lot of on the market, but finally is exactly two big classes nothing but: alternating current generator and DC MOTOR CONTROL.Motor is located at the both sides of window frame respectively, two synchronous pulleys that rotated by motor-driven; The synchronous band that between two synchronous pulleys, is provided with; By aforesaid synchronous pulley, band and connector drive mobile to open and close motorized window synchronously by motor for fixedly connected movable sashes and the connector of being with synchronously, movable window.
Described air velocity transducer FS adopts the thermojunction type air velocity transducer, and described thermojunction type air velocity transducer adopts commercially available JX01100364 type air velocity transducer.The principle of thermojunction type air velocity transducer is the heating current at a end and the constant 38mA of b end input, to supply with operating ambient temperature of thermocouple, at this moment, brings out the thermoelectrical potential of an about 7mV now at c end and d.When measuring wind, the distinguished and admirable operating ambient temperature of thermocouple that makes descends, and the thermoelectrical potential of c end and d end changes, and its value is the function of wind speed.Therefore the measurement by thermoelectrical potential can calculate corresponding air speed value.
Described infrared correlation pipe adopts the infrared correlation pipe of commercially available DS453Q/DS455Q model.
Described adjustable resistance R1, adjustable resistance R2 and adjustable resistance R10 adopt WS30 type adjustable resistance, are used for debugging input voltage.
Described resistance R 3 ~ R9 adopts commercially available RT11 type resistance.
Described crystal diode D1 adopts commercially available 1N4001 type crystal diode, is used for the coil of protective relay K.
Described transistor Q1 and transistor Q2 adopt 9013 commercially available type transistors.
Described relay K adopts commercially available CD4098 type relay.
Described capacitor C 1 and capacitor C 2 are electrochemical capacitor.
Described trigger FF1 and trigger FF2 adopt 40106 Schmidt triggers.
Voltage comparator is an integrated transporting discharging nonlinear application circuit, and it is compared an analog quantity voltage signal and one with reference to fixed voltage, the two amplitude equate near, output voltage will produce transition, corresponding output high level or low level.Comparator can be formed the nonsinusoidal waveform translation circuit and be applied to fields such as analog and digital signal conversion.
Transmission characteristic when Ui＞Ur, amplifier output Uo high level, when Ui＜Ur, amplifier output Uo low level.Therefore, be the boundary with Ur, when input voltage Ui changed, output reflected two states, high potential and electronegative potential.
Integrated voltage comparator LM111 can become binary signal with analog signal conversion among the present invention, promptly has only the discrete signal of high level and low level two states.Its characteristics: the open-loop gain than integrated transporting discharging is low, and offset voltage is big, and common-mode rejection ratio is little; But its response speed is fast, and the propagation delay time is short, and need not add amplitude limiter circuit and just can directly drive integrated digital circuits such as TTL, CMOS and ECL; Some chip belt load capacity is very strong, also can directly drive relay and indicator lamp.Signal can be subjected to the interference of each side in practice, and can there be many clutter compositions in waveform, need handle waveform, and the Schmidt trigger most important character is can input signal is shaped to the precipitous rectangular pulse in edge changing slowly.Simultaneously, Schmidt trigger also can utilize its hysteresis voltage to improve the antijamming capability of circuit.
Operating principle: the receiving tube of the rain sensor YS among the present invention is just relative with transmitting tube, because infrared light is different with airborne absorption coefficient in water, thereby also is different by the light intensity behind the empty G﹠W.When not having rainwater by receiving tube and transmitting tube middle, receiving tube is not received corresponding signal, the output high level; When rainwater during by receiving tube and transmitting tube middle, when the transmitting tube intensity of illumination changed, therefore the electrical signal intensity of receiving terminal output also can change, and the output high level just can pick up to measure whether rainwater is arranged in view of the above.
Thermojunction type air velocity transducer FS has good reliability, steady performance, utilizes platinum resistance thermometer sensor, as probe, exposes in tested air.The present invention utilizes feedback circuit to make the temperature of wind speed sensing element and resistance keep constant.The temperature-sensitive element temperature changes when wind speed changes, and resistance also changes thereupon, thereby causes the temperature-sensitive element both end voltage to change.At different floor wind speed is different, and adjustable resistance R1 can regulate the different wind speed of different floors to closing the requirement of window with adjustable resistance R2.Wind speed increases, and controlled current flow increases, and air velocity transducer c end output voltage increases, otherwise air velocity transducer c end output voltage reduces.
Voltage comparator LM111 analyzes the signal that comes from rain sensor YS and air velocity transducer FS output, no matter be that wind speed is excessive or rainwater arranged, the current potential of the in-phase input end P3 of voltage comparator LM111 all can be greater than the current potential of the inverting input P2 of voltage comparator LM111, the output P7 of voltage comparator LM111 is a high level, through trigger FF1 and trigger FF2 to waveform shaping, transistor Q2 is in saturation state, the relay K action, thereby drive the motor of motorized window, close window.As long as rainwater is arranged, infrared correlation pipe will be exported high level, and the current potential of the in-phase input end P3 of voltage comparator LM111 is greater than the setting value of the inverting input P2 of voltage comparator LM111, and motorized window can be moved and be closed window.If wind speed is too small, the c end output voltage of air velocity transducer is less than the setting value of the inverting input P2 of voltage comparator LM111, the P7 end output low level of voltage comparator LM111, through trigger FF1 and trigger FF2 to waveform shaping, transistor Q2 is in cut-off state, relay K is failure to actuate, and motorized window is failure to actuate.
Advantage of the present invention: it is reasonable in design, simple in structure, highly sensitive that window of the present invention is met the wind and rain automatic closing system, utilize the outer environment of the automatic detecting chamber of sensing element, continuous variation according to weather, suddenly rain or wind speed automatic close window family when excessive running into, can effectively avoid the loss of family's property, can close simultaneously the parameter of window according to the different set needs of different floor wind speed, satisfy the demand of human nature well.The protection of very big convenience and property is provided for the busy day by day daily life of modern.
Description of drawings
The invention will be further described below with reference to accompanying drawing:
Fig. 1 is the circuit diagram that window of the present invention is met the wind and rain automatic closing system.
Fig. 2 is the correlation schematic diagram that window of the present invention is met the infrared correlation pipe of wind and rain automatic closing system.
Fig. 3 is the structure chart of thermocouple air velocity transducer.
Fig. 4 is air velocity transducer output voltage and respective relationships curve map.
Fig. 5 is the air velocity transducer circuit diagram that window of the present invention is met the wind and rain automatic closing system.
The specific embodiment
With reference to accompanying drawing 1 ~ 5, window of the present invention is met the wind and rain automatic closing system and is comprised the sensing part, control section and motorized window 1, the sensing part has sensor circuit, sensor circuit is composed in parallel by rain sensor circuit and air velocity transducer circuit, the rain sensor circuit comprises rain sensor YS, resistance R 7 and resistance R 8, described rain sensor YS adopts infrared correlation pipe, infrared correlation pipe comprises receiving tube LED and transmitting tube NPN-PHPTO, resistance R 7 is connected with receiving tube LED, resistance R 8 is connected with transmitting tube NPN-PHPTO, and infrared correlation pipe is used for the signal input to control circuit;
The air velocity transducer circuit comprises air velocity transducer FS, transistor Q1, resistance R 4, resistance R 5, resistance R 6 and amplifier LM324, air velocity transducer FS is made up of thermistor RT1, thermistor RT2, resistance R 3, adjustable resistance R1 and adjustable resistance R2, thermistor RT1 connects with resistance R 3 and adjustable resistance R1, thermistor RT2 connects with adjustable resistance R2, links to each other with transistor after the end of thermistor RT1 and thermistor RT2 links to each other; The end common ground of adjustable resistance R1 and adjustable resistance R2; Air velocity transducer FS has a, b, c and d totally 4 terminals, and a end and b end are the heating platinum wire, and c end and d end are thermocouple; The d end of air velocity transducer FS links to each other with the inverting input of amplifier LM324, resistance R 6, resistance R 5 and resistance R 4 series connection, one termination power VCC of resistance R 6, resistance R 6 links to each other with the emitter stage of transistor Q1, the ground level of transistor Q1 links to each other with the output of amplifier LM324, and the output of transmitting tube NPN-PHPTO links to each other with resistance R 4;
Control section mainly carries out analyzing and processing to sensor input signal, and by relay control motorized window, control section comprises voltage comparator LM111, adjustable resistance R10, resistance R 11, capacitor C 1, trigger FF1, trigger FF2, transistor Q2, capacitor C 2, crystal diode D1 and relay K, the inverting input P2 of voltage comparator LM111 links to each other with adjustable resistance R10, the in-phase input end P3 of voltage comparator LM111 links to each other with input 2 ends of amplifier LM324, the output P7 of voltage comparator LM111 links to each other with resistance R 11, be serially connected with capacitor C 1 between resistance R 11 and the ground wire, resistance R 11, trigger FF1 and trigger FF2 series connection back link to each other with the base stage of transistor Q2, capacitor C 2 and transistor D1 parallel connection, the colelctor electrode of transistor Q2 links to each other with the common ends of capacitor C 2 and crystal diode D1, another common ends of capacitor C 2 and crystal diode D1 parallel connection links to each other with power supply VCC, links to each other with motorized window 1 after relay K and the crystal diode D1 parallel connection;
One end of resistance R 9 links to each other with the in-phase input end P3 of the output of transmitting tube NPN-PHPTO and voltage comparator LM111.
Described air velocity transducer FS adopts the thermojunction type air velocity transducer, and described thermojunction type air velocity transducer adopts commercially available JX01100364 type air velocity transducer.The principle of thermojunction type air velocity transducer is the heating current at a end and the constant 38mA of b end input, to supply with operating ambient temperature of thermocouple, at this moment, brings out the thermoelectrical potential of an about 7mV now at c end and d.When measuring wind, the distinguished and admirable operating ambient temperature of thermocouple that makes descends, and the thermoelectrical potential of c end and d end changes, and its value is the function of wind speed.Therefore the measurement by thermoelectrical potential can calculate corresponding air speed value.
Described infrared correlation pipe adopts the infrared correlation pipe of commercially available DS453Q/DS455Q model.
Described adjustable resistance R1, adjustable resistance R2 and adjustable resistance R10 adopt WS30 type adjustable resistance, are used for debugging input voltage.
Described resistance R 3 ~ R9 adopts commercially available RT11 type resistance.
Described crystal diode D1 adopts commercially available 1N4001 type crystal diode, is used for the coil of protective relay K.
Described transistor Q1 and transistor Q2 adopt 9013 commercially available type transistors.
Described relay K adopts commercially available CD4098 type relay.
Described capacitor C 1 and capacitor C 2 are electrochemical capacitor.
Described trigger FF1 and trigger FF2 adopt 40106 Schmidt triggers.
When wind speed is 0m/s, the ratio of the resistance of adjustable resistance R2 and thermistor RT2 is less than the ratio of adjustable resistance R1 and thermistor RT1 and resistance R 3 sums, amplifier LM324 output low level, the base potential of transistor Q1 reduces, the collector current of transistor Q1 increases, because the split ratio of two half-bridges is about 10:1, the electric current of being known thermistor RT1 by the parallel circuit shunting principle increases, make the platinum resistance thermometer sensor, resistance increase, the c terminal voltage of air velocity transducer reduces, final feedback circuit is reconciled and is made the c terminal potential of air velocity transducer and d termination near, reaches equilibrium state, and with the c terminal voltage as the output valve that characterizes wind speed.When wind speed increases, heat loss through convection increases, thermistor RT1 temperature reduces, its resistance reduces, make the c terminal voltage of air velocity transducer be higher than the d terminal voltage, amplifier LM324 output voltage reduces, and causes base current increase, the collector current of transistor Q1 to raise, make thermistor RT1 resistance increase, finally reach a new stable equilibrium point.Hence one can see that, and wind speed increases, and controlled current flow increases, and the c end output voltage of air velocity transducer increases.Owing to adopted differential measurement, and two sensing elements of measuring half-bridge configuration are all RTD, gas temperature can be ignored to the influence of circuit measuring value, do not adding under the situation of other temperature-compensation circuits, can under wider temperature range, use, be suitable for most of in-site measurement environment.
Claims (10)
1. a window is met the wind and rain automatic closing system, it is characterized in that comprising sensing part, control section and motorized window, the sensing part has sensor circuit, sensor circuit is composed in parallel by rain sensor circuit and air velocity transducer circuit, the rain sensor circuit comprises rain sensor YS, resistance R 7 and resistance R 8, described rain sensor YS adopts infrared correlation pipe, infrared correlation pipe comprises receiving tube LED and transmitting tube NPN-PHPTO, resistance R 7 is connected with receiving tube LED, and resistance R 8 is connected with transmitting tube NPN-PHPTO;
The air velocity transducer circuit comprises air velocity transducer FS, transistor Q1, resistance R 4, resistance R 5, resistance R 6 and amplifier LM324, air velocity transducer FS is made up of thermistor RT1, thermistor RT2, resistance R 3, adjustable resistance R1 and adjustable resistance R2, thermistor RT1 connects with resistance R 3 and adjustable resistance R1, thermistor RT2 connects with adjustable resistance R2, links to each other with transistor after the end of thermistor RT1 and thermistor RT2 links to each other; The end common ground of adjustable resistance R1 and adjustable resistance R2; Air velocity transducer FS has a, b, c and d totally 4 terminals, and a end and b end are the heating platinum wire, and c end and d end are thermocouple; The d end of air velocity transducer FS links to each other with the inverting input of amplifier LM324, resistance R 6, resistance R 5 and resistance R 4 series connection, one termination power VCC of resistance R 6, resistance R 6 links to each other with the emitter stage of transistor Q1, the ground level of transistor Q1 links to each other with the output of amplifier LM324, and the output of transmitting tube NPN-PHPTO links to each other with resistance R 4;
Control section comprises voltage comparator LM111, adjustable resistance R10, resistance R 11, capacitor C 1, trigger FF1, trigger FF2, transistor Q2, capacitor C 2, crystal diode D1 and relay K, the inverting input P2 of voltage comparator LM111 links to each other with adjustable resistance R10, the in-phase input end P3 of voltage comparator LM111 links to each other with input 2 ends of amplifier LM324, the output P7 of voltage comparator LM111 links to each other with resistance R 11, be serially connected with capacitor C 1 between resistance R 11 and the ground wire, resistance R 11, trigger FF1 and trigger FF2 series connection back link to each other with the base stage of transistor Q2, capacitor C 2 and transistor D1 parallel connection, the colelctor electrode of transistor Q2 links to each other with the common ends of capacitor C 2 and crystal diode D1, another common ends of capacitor C 2 and crystal diode D1 parallel connection links to each other with power supply VCC, links to each other with motorized window after relay K and the crystal diode D1 parallel connection;
One end of resistance R 9 links to each other with the in-phase input end P3 of the output of transmitting tube NPN-PHPTO and voltage comparator LM111.
2. meet the wind and rain automatic closing system according to right 1 described window, it is characterized in that described air velocity transducer FS adopts the thermojunction type air velocity transducer.
3. meet the wind and rain automatic closing system according to right 1 described window, it is characterized in that described infrared correlation pipe adopts the infrared correlation pipe of commercially available DS453Q/DS455Q model.
4. meet the wind and rain automatic closing system according to right 1 described window, it is characterized in that described adjustable resistance R1, adjustable resistance R2 and adjustable resistance R10 adopt WS30 type adjustable resistance.
5. meet the wind and rain automatic closing system according to right 1 described window, it is characterized in that described resistance R 3 ~ R9 adopts RT11 type resistance.
6. meet the wind and rain automatic closing system according to right 1 described window, it is characterized in that described crystal diode D1 adopts 1N4001 type crystal diode.
7. meet the wind and rain automatic closing system according to right 1 described window, it is characterized in that described transistor Q1 and transistor Q2 adopt 9013 commercially available type transistors.
8. meet the wind and rain automatic closing system according to right 1 described window, it is characterized in that described relay K adopts CD4098 type relay.
9. meet the wind and rain automatic closing system according to right 1 described window, it is characterized in that described capacitor C 1 and capacitor C 2 are electrochemical capacitor.
10. meet the wind and rain automatic closing system according to right 1 described window, it is characterized in that described trigger FF1 and trigger FF2 adopt 40106 Schmidt triggers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100203500A CN102134948B (en) | 2011-01-18 | 2011-01-18 | System for automatically closing window in case of wind and rain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100203500A CN102134948B (en) | 2011-01-18 | 2011-01-18 | System for automatically closing window in case of wind and rain |
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| CN102134948A true CN102134948A (en) | 2011-07-27 |
| CN102134948B CN102134948B (en) | 2013-07-31 |
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| CN2011100203500A Expired - Fee Related CN102134948B (en) | 2011-01-18 | 2011-01-18 | System for automatically closing window in case of wind and rain |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305012A (en) * | 2011-09-29 | 2012-01-04 | 田彩飞 | Electric window opener control system |
| CN104343311A (en) * | 2013-08-02 | 2015-02-11 | 阿尔卑斯电气株式会社 | Electric window device |
| CN104406137A (en) * | 2014-12-01 | 2015-03-11 | 苏州立瓷电子技术有限公司 | Secondary heat dissipation device of traffic light |
| CN104533220A (en) * | 2014-12-31 | 2015-04-22 | 无锡职业技术学院 | Intelligent wind and rain window system and control method thereof |
| CN104713655A (en) * | 2013-12-14 | 2015-06-17 | 中国航空工业集团公司第六三一研究所 | Circuit for measuring cold-end temperature of thermocouple |
| CN105275304A (en) * | 2015-11-10 | 2016-01-27 | 成都标建铝业有限公司 | Aluminum alloy window capable of being closed automatically on rainy days |
| CN105863432A (en) * | 2016-04-07 | 2016-08-17 | 武汉百络优物联科技有限公司 | High-precision automatic window opener |
| CN106382071A (en) * | 2016-11-18 | 2017-02-08 | 广西大学 | Control circuit with function of closing window automatically in rainy days |
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| CN109959801A (en) * | 2017-12-22 | 2019-07-02 | 上海卓思智能科技股份有限公司 | NTC detection circuit and wind speed measuring sensor for wind speed measurement |
| CN111255333A (en) * | 2020-03-03 | 2020-06-09 | 杨童舒 | Rainfall sensing intelligent window and control method |
| CN112858747A (en) * | 2021-02-20 | 2021-05-28 | 国网河南省电力公司周口供电公司 | Outdoor high-voltage metering device capable of achieving anti-electricity-stealing function and using method |
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| CN105275304A (en) * | 2015-11-10 | 2016-01-27 | 成都标建铝业有限公司 | Aluminum alloy window capable of being closed automatically on rainy days |
| CN105863432A (en) * | 2016-04-07 | 2016-08-17 | 武汉百络优物联科技有限公司 | High-precision automatic window opener |
| CN106382071A (en) * | 2016-11-18 | 2017-02-08 | 广西大学 | Control circuit with function of closing window automatically in rainy days |
| CN106988642A (en) * | 2017-06-01 | 2017-07-28 | 程国军 | A kind of automatic window shutter and the sliding window with the automatic window shutter |
| CN109959801A (en) * | 2017-12-22 | 2019-07-02 | 上海卓思智能科技股份有限公司 | NTC detection circuit and wind speed measuring sensor for wind speed measurement |
| CN109959801B (en) * | 2017-12-22 | 2023-09-19 | 上海卓思智能科技股份有限公司 | NTC detection circuit for wind speed detection and wind speed measurement sensor |
| CN111255333A (en) * | 2020-03-03 | 2020-06-09 | 杨童舒 | Rainfall sensing intelligent window and control method |
| CN112858747A (en) * | 2021-02-20 | 2021-05-28 | 国网河南省电力公司周口供电公司 | Outdoor high-voltage metering device capable of achieving anti-electricity-stealing function and using method |
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