CN111123413A - Sensor device for intelligent greenhouse snow removal equipment based on embedded system control - Google Patents
Sensor device for intelligent greenhouse snow removal equipment based on embedded system control Download PDFInfo
- Publication number
- CN111123413A CN111123413A CN202010057660.9A CN202010057660A CN111123413A CN 111123413 A CN111123413 A CN 111123413A CN 202010057660 A CN202010057660 A CN 202010057660A CN 111123413 A CN111123413 A CN 111123413A
- Authority
- CN
- China
- Prior art keywords
- sensor
- wind direction
- snow
- steering gear
- fixed
- 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.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/14—Rainfall or precipitation gauges
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/14—Greenhouses
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/02—Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed
- G01W1/04—Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed giving only separate indications of the variables measured
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Engineering & Computer Science (AREA)
- Environmental Sciences (AREA)
- Atmospheric Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention relates to a sensor device for intelligent greenhouse snow removal equipment based on embedded system control, which comprises a snow sensor and a wind direction sensor, wherein the snow sensor and the wind direction sensor are fixed at the top of a greenhouse and are matched with each other for use, the snow sensor is connected with a Bluetooth module host through a controller A, the wind direction sensor is connected with a Bluetooth module slave through a controller B, and the Bluetooth module host and the Bluetooth module slave are in communication connection with each other. The snow sensor and the wind direction sensor are matched with each other, the orientation of the snow sensor is adjusted according to the wind direction, collected snow is melted by the heating resistance wire and the water drop sensor, the water drop sensor generates an analog voltage signal and converts the analog voltage signal into a decorative numerical value, and when the numerical value is set by a program, the sensor device judges that snow falls at the moment. The device simple structure, the installation of being convenient for has improved sensor device's sensitivity and precision, can effectually prevent the big-arch shelter damage phenomenon because of the too big-arch shelter roof snow pressure leads to of snow pressure, is favorable to improving the life of big-arch shelter.
Description
Technical Field
The invention relates to the technical field of sensors, in particular to a sensor device for intelligent greenhouse snow removal equipment based on embedded system control.
Background
For modern agricultural greenhouses, the greenhouses collapse due to accumulation of accumulated snow on the greenhouse tops in winter, and huge economic loss is caused. Modern greenhouse snow removal is snow removal after snow falls, and belongs to a remedial measure after events. The conventional snowfall sensor is mostly monitored by a snow quantity sensor, but when a program is set by the snow quantity sensor, if a set numerical value is too small, the sensitivity of the sensor is too high, and the judgment of the program is wrong. If the programmed value is too large, the time for reaching the set value is too long, so that the execution time of the optimal corresponding measure is missed, and the action effect of the sensor is weakened or even the sensor is out of work. The existing snowfall sensor is a rain and snow transmitter, the rain and snow transmitter can only sense snowfall, cannot execute corresponding measures after sensing the snowfall, and has large judgment error and poor actual use effect.
Disclosure of Invention
The invention aims to provide a sensor device for intelligent greenhouse snow removal equipment based on embedded system control, and aims to solve the problems that the existing sensor is weakened in action effect and even fails, the judgment error is large, and the actual use effect is poor.
The technical scheme adopted by the invention for solving the technical problems is as follows: sensor device that intelligence big-arch shelter snow removing equipment was used based on embedded system control, including being fixed in the big-arch shelter top and the snowfall sensor and wind direction sensor that mutually support and use, the snowfall sensor passes through controller A and is connected with the bluetooth module host computer, and wind direction sensor passes through controller B and is connected from the computer with the bluetooth module, and bluetooth module host computer and bluetooth module are from the intercommunication connection between the computer. The snowfall sensor includes step motor, steering gear B, steering gear A, the sensor fixing base, the water droplet sensor, snow collection device, step motor's output shaft is connected with steering gear B, steering gear B is connected with steering gear A mutually perpendicular and meshing, steering gear A passes through the bearing and is connected with the sensor fixing base, the sensor fixing base is connected with snow collection device through the pivot, the inboard bottom of snow collection device is equipped with the water droplet sensor, snow collection device's back is equipped with the heating resistor silk, still be equipped with on the sensor fixing base and turn to the steering wheel, the output shaft that turns to the steering wheel is connected with crawler gear, crawler gear locates another crawler gear transmission in the pivot through track and cover and is connected. The wind direction sensor comprises an axial wind direction sensing piece and a radial wind direction sensing piece which are perpendicular to each other in the direction, the axial wind direction sensing piece is connected with an axial wind direction potentiometer, the radial wind direction sensing piece is connected with the radial wind direction potentiometer, and the axial wind direction potentiometer and the radial wind direction potentiometer are connected to the two ends of the transverse supporting frame through supports respectively.
Specifically, step motor is fixed in on the lateral wall of fixed bolster, and on the both ends of fixed bolster were fixed in the bottom tray, the fixed bolster middle part was the cavity structure, and steering gear A and steering gear B all are located the cavity of fixed bolster.
Specifically, the steering gear B is transversely arranged, one end of the steering gear B is connected with an output shaft of a motor fixed on the side wall of the fixed support, and the other end of the steering gear B is fixed on the side wall of the fixed support on the side opposite to the motor through a bearing and a bearing fixing ring; the steering gear A is vertically arranged, the lower end of the steering gear A is fixed on the bottom tray through a bearing and a bearing fixing ring, and the upper end of the steering gear A penetrates through the top of the fixing support to be connected with the sensor fixing seat.
Specifically, the steering engine is fixed on the sensor fixing seat through a steering engine fixing piece.
Specifically, one side of the heating resistance wire is provided with an upper LM53 temperature sensor and a lower LM53 temperature sensor.
Specifically, step motor and steering wheel all with controller A electric connection.
Specifically, the axial wind direction potentiometer and the radial wind direction potentiometer are both electrically connected with the controller B.
Furthermore, the snowfall sensor is fixed on the top of the greenhouse through a bottom tray, and the wind direction sensor is fixed on the top of the greenhouse through a transverse supporting frame.
Preferably, the stepping motor is a 42 stepping motor; the controller A and the controller B are both arduino MEGA 2560 controllers; the water drop sensor is an LY-83 water drop sensor; the steering engine is an SG-90 steering engine.
The invention has the following beneficial effects: the sensor device adopts the mutual matching of the snowfall sensor and the wind direction sensor, the orientation of the snowfall sensor is adjusted according to the wind direction, the collected snow is melted by utilizing the heating resistance wire and the water drop sensor, the water drop sensor generates an analog voltage signal and converts the analog voltage signal into a decorative numerical value, and when the numerical value is set by a program, the sensor device judges the snowfall at the moment. The device simple structure, the installation of being convenient for has improved sensor device's sensitivity and precision, can effectually prevent the big-arch shelter damage phenomenon because of the too big-arch shelter roof snow pressure leads to of snow pressure, is favorable to improving the life of big-arch shelter.
Drawings
Fig. 1 is a front structural view of the snowfall sensor.
Fig. 2 is a back structural view of the snowfall sensor.
Fig. 3 is a schematic structural diagram of the wind direction sensor.
FIG. 4 is a schematic diagram of snowfall sensor wiring connections.
Fig. 5 is a connection relation diagram of the wind direction sensor and the bluetooth module slave.
Fig. 6 is a schematic diagram of the distribution of the FSR402 sensor network in a snow pressure sensing device used in cooperation therewith.
In the figure, 1, a stepping motor, 2, a sensor fixing seat, 3, a water drop sensor, 4, an accumulated snow collecting device, 5, a fixing support, 6, a bottom tray, 7, steering gears A, 8, steering gears B, 9, a bearing fixing ring, 10, a crawler gear, 11, a lower LM53 temperature sensor, 12, an upper LM53 temperature sensor, 13, a heating resistance wire, 14, a steering engine, 15, a steering engine fixing part, 16, a crawler, 17, a bearing, 18, an axial wind direction sensing piece, 19, an axial wind direction potentiometer, 20, a radial wind direction potentiometer, 21, a radial wind direction sensing piece, 22, a transverse support frame, 23 and a support.
Detailed Description
The following are specific examples of the present invention and further describe the technical solutions of the present invention, but the scope of the present invention is not limited to these examples. All changes, modifications and equivalents that do not depart from the spirit of the invention are intended to be included within the scope thereof.
The sensor device for the intelligent greenhouse snow removal equipment based on embedded system control comprises a snow sensor and a wind direction sensor, wherein the snow sensor is fixed at the top of a greenhouse and used in a matched mode, the snow sensor is connected with a Bluetooth module host through a controller A, the wind direction sensor is connected with a Bluetooth module slave through a controller B, and the Bluetooth module host is in communication connection with the Bluetooth module slave; controller A and controller B are arduino MEGA 2560 controller, pass through the line connection as required between each part, and the embedded system program that will design is leading-in again, and the equipment is accomplished.
As shown in fig. 1, 2 and 4, the snowfall sensor comprises a stepping motor 1, a steering gear B8, a steering gear a7, a sensor fixing seat 2, a water drop sensor 3 and a snow collection device 4, wherein the stepping motor 1 is a 42 stepping motor, the stepping motor 1 is fixed on the side wall of a fixing support 5, two ends of the fixing support 5 are fixed on a bottom tray 6, and the snowfall sensor is fixed on the top of the greenhouse through the bottom tray 6. The middle part of the fixed bracket 5 is of a cavity structure, and the steering gear A7 and the steering gear B8 are both positioned in the cavity of the fixed bracket 5. The output shaft of step motor 1 is connected with steering gear B8, steering gear B8 and steering gear A7 mutually perpendicular and meshing are connected, steering gear A7 is connected with sensor fixing base 2 through the bearing, sensor fixing base 2 is connected with snow collection device 4 through the pivot, the inboard bottom of snow collection device 4 is equipped with water droplet sensor 3, water droplet sensor 3 can be LY-83 water droplet sensor. The back of the accumulated snow collecting device 4 is provided with a heating resistance wire 13, and one side of the heating resistance wire 13 is provided with an upper LM53 temperature sensor 12 and a lower LM53 temperature sensor 11. After the accumulated snow is collected by the accumulated snow collecting device 4, the temperature of the LY-83 water drop sensor is increased by the heating resistance wire 13 and the upper LM53 temperature sensor 12 and the lower LM53 temperature sensor 11, so that the accumulated snow is melted. The sensor fixing seat 2 is also provided with a steering engine 14, and the steering engine 14 can be an SG-90 steering engine. The steering engine 14 is fixed on the sensor fixing seat 2 through a steering engine fixing piece 15. An output shaft of the steering engine 14 is connected with a crawler belt gear 10, and the crawler belt gear 10 is in transmission connection with another crawler belt gear 10 sleeved on the rotating shaft through a crawler belt 16. The stepping motor 1, the steering engine 14, the heating resistance wire 13, the LM53 temperature sensor 12 and the lower LM53 temperature sensor 11 are all electrically connected with the controller A.
The steering gear B8 is transversely arranged, one end of the steering gear B8 is connected with an output shaft of the motor 1 fixed on the side wall of the fixed bracket 5, and the other end of the steering gear B8 is fixed on the side wall of the fixed bracket 5 opposite to the motor 1 through a bearing 17 and a bearing fixing ring 9; the steering gear A7 is vertically arranged, the lower end of the steering gear A7 is fixed on the bottom tray 6 through the bearing 17 and the bearing fixing ring 9, and the upper end of the steering gear A7 penetrates through the top of the fixing support 5 and is connected with the sensor fixing seat 2.
As shown in fig. 3 and 5, the wind direction sensor is fixed on the top of the greenhouse by a transverse support frame 22. The wind direction sensor comprises an axial wind direction sensing piece 18 and a radial wind direction sensing piece 21, the orientation directions of the axial wind direction sensing piece 18 and the radial wind direction sensing piece 21 are perpendicular to each other, the axial wind direction sensing piece 18 is connected with an axial wind direction potentiometer 19, the radial wind direction sensing piece 21 is connected with a radial wind direction potentiometer 20, and the axial wind direction potentiometer 19 and the radial wind direction potentiometer 20 are connected to two ends of a transverse supporting frame 22 through a support 23 respectively. The axial wind direction potentiometer 19 and the radial wind direction potentiometer 20 are both electrically connected with the controller B. The axial wind direction sensing piece 18 and the radial wind direction sensing piece 21 rotate under the action of wind force, so that the axial wind direction potentiometer 19 and the radial wind direction potentiometer 20 generate analog voltage signals. The wind direction sensor sends the sensed wind direction information to the Bluetooth module host of the snowfall sensor through the Bluetooth module slave machine.
The working method of the sensor device comprises the following steps:
1) an axial wind direction sensing piece 18 and a radial wind direction sensing piece 21 in the wind direction sensor rotate under the action of wind force, so that an axial wind direction potentiometer 19 and a radial wind direction potentiometer 20 generate analog voltage signals, and a Bluetooth module slave machine sends the generated analog voltage signals to a Bluetooth module host machine;
2) the Bluetooth module host receives a signal sent by the Bluetooth module slave, and the controller A controls the stepping motor 1 and the steering engine 14 to enable the snowfall sensor to face the wind direction according to the setting of a program;
3) the snowfall sensor is used for collecting snow towards the wind and backwards by the snow collecting device 4;
4) after the accumulated snow is collected by the accumulated snow collecting device 4, the temperature of the water drop sensor 3 is increased due to the heating resistance wire 13 and the upper LM53 temperature sensor 12 and the lower LM53 temperature sensor 11, so that the accumulated snow is melted;
5) the melted snow is distributed on the surface of the water drop sensor 3, so that the water drop sensor 3 generates an analog voltage signal, and the generated analog voltage outputs a changed stable numerical value through the analog voltage stabilizer and the AD conversion module;
6) when the numerical value in the step 5) reaches the set numerical value of the program, the embedded system judges that the snow falls at the moment and starts corresponding countermeasures. When the drop sensor 3 generates stable and effective analog voltage signals with different values for a plurality of times in step 5), the corresponding countermeasures in step 6) are only executed once during the snowfall.
The sensor device of the invention can also be used in cooperation with a snow pressure sensing device: the sensor device provided by the invention is used for judging whether snow falls or not, and sending the judgment result to a host of the arduino MEGA 2560 controller, so that the heat preservation device of the intelligent greenhouse dehumidification equipment is started. The snow pressure sensing device mainly comprises sensor network distribution of the FSR402 pressure sensor, design of an embedded system program algorithm of the sensor network distribution and calculation of a corresponding pressure value when snow removing measures are started. When the roof accumulated snow weight of the intelligent greenhouse snow removing equipment reaches the set pressure value, the corresponding snow removing measures of the intelligent greenhouse snow removing equipment are started. The FSR402 sensor profile of the snow pressure sensing device and its wiring connections are shown in fig. 6. Further, the snow removal procedure will be initiated once a programmed value of pressure is reached once during the snowfall procedure.
The present invention is not limited to the above embodiments, and any structural changes made under the teaching of the present invention shall fall within the scope of the present invention, which is similar or similar to the technical solutions of the present invention.
The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.
Claims (10)
1. The sensor device for the intelligent greenhouse snow removal equipment based on embedded system control is characterized by comprising a snow sensor and a wind direction sensor, wherein the snow sensor is fixed at the top of a greenhouse and used in a matched mode;
the snow falling sensor comprises a stepping motor, a steering gear B, a steering gear A, a sensor fixing seat, a water droplet sensor and an accumulated snow collecting device, wherein an output shaft of the stepping motor is connected with the steering gear B, the steering gear B and the steering gear A are perpendicular to each other and are in meshed connection, the steering gear A is connected with the sensor fixing seat through a bearing, the sensor fixing seat is connected with the accumulated snow collecting device through a rotating shaft, the water droplet sensor is arranged at the bottom of the inner side of the accumulated snow collecting device, a heating resistance wire is arranged at the back of the accumulated snow collecting device, a steering engine is further arranged on the sensor fixing seat, an output shaft of the steering engine is connected with a crawler gear, and the crawler gear;
the wind direction sensor comprises an axial wind direction sensing piece and a radial wind direction sensing piece which are perpendicular to each other in the direction, the axial wind direction sensing piece is connected with an axial wind direction potentiometer, the radial wind direction sensing piece is connected with the radial wind direction potentiometer, and the axial wind direction potentiometer and the radial wind direction potentiometer are connected to the two ends of the transverse supporting frame through supports respectively.
2. The sensor device for intelligent greenhouse snow removal equipment based on embedded system control as claimed in claim 1, wherein the stepping motor is fixed on the side wall of the fixed support, the two ends of the fixed support are fixed on the bottom tray, the middle part of the fixed support is of a cavity structure, and the steering gear A and the steering gear B are both located in the cavity of the fixed support.
3. The sensor device for intelligent greenhouse snow removal equipment based on embedded system control as claimed in claim 2, wherein the steering gear B is transversely arranged, one end of the steering gear B is connected with an output shaft of a motor fixed on the side wall of the fixed bracket, and the other end of the steering gear B is fixed on the side wall of the fixed bracket on the side opposite to the motor through a bearing and a bearing fixing ring; the steering gear A is vertically arranged, the lower end of the steering gear A is fixed on the bottom tray through a bearing and a bearing fixing ring, and the upper end of the steering gear A penetrates through the top of the fixing support to be connected with the sensor fixing seat.
4. The sensor device for the intelligent greenhouse snow removal equipment based on embedded system control as claimed in claim 1, wherein the steering engine is fixed on the sensor fixing seat through a steering engine fixing member.
5. The sensor device for the intelligent greenhouse snow removing equipment based on embedded system control as claimed in claim 1, wherein one side of the heating resistance wire is provided with an upper LM53 temperature sensor and a lower LM53 temperature sensor.
6. The sensor device for intelligent greenhouse snow removal equipment based on embedded system control as claimed in claim 1, wherein the stepping motor and the steering engine are both electrically connected with the controller A.
7. The sensor device for intelligent greenhouse snow removal equipment based on embedded system control as claimed in claim 1, wherein the axial wind direction potentiometer and the radial wind direction potentiometer are both electrically connected to controller B.
8. The sensor device for the intelligent greenhouse snow removal equipment based on embedded system control as claimed in claim 1, wherein the snowfall sensor is fixed on the top of the greenhouse through a bottom tray, and the wind direction sensor is fixed on the top of the greenhouse through a transverse support frame.
9. The sensor device for intelligent greenhouse snow removal equipment based on embedded system control as claimed in claim 1, wherein the step motor is a 42 step motor; the controller A and the controller B are both arduino MEGA 2560 controllers; the water drop sensor is an LY-83 water drop sensor; the steering engine is an SG-90 steering engine.
10. The sensor device for intelligent greenhouse snow removal equipment based on embedded system control as claimed in claim 1, wherein the working method comprises the following steps:
1) an axial wind direction sensing sheet and a radial wind direction sensing sheet in the wind direction sensor rotate under the action of wind force, so that an axial wind direction potentiometer and a radial wind direction potentiometer generate analog voltage signals, and a Bluetooth module slave machine sends the generated analog voltage signals to a Bluetooth module host machine;
2) the Bluetooth module host receives a signal sent by the Bluetooth module slave, and the controller A controls the stepping motor and the steering engine to enable the snowfall sensor to face the wind direction according to the setting of a program;
3) the snow sensor is used for collecting accumulated snow by the accumulated snow collecting device after facing the wind;
4) after the accumulated snow is collected by the accumulated snow collecting device, the temperature of the water drop sensor is increased due to the heating resistance wire, the upper LM53 temperature sensor and the lower LM53 temperature sensor, so that the accumulated snow is melted;
5) the melted snow is distributed on the surface of the water drop sensor, so that the water drop sensor generates an analog voltage signal, and the generated analog voltage outputs a changed stable numerical value;
6) and 5) judging snowfall when the numerical value in the step 5) reaches the set numerical value of the program, and starting corresponding countermeasures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010057660.9A CN111123413A (en) | 2020-01-19 | 2020-01-19 | Sensor device for intelligent greenhouse snow removal equipment based on embedded system control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010057660.9A CN111123413A (en) | 2020-01-19 | 2020-01-19 | Sensor device for intelligent greenhouse snow removal equipment based on embedded system control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111123413A true CN111123413A (en) | 2020-05-08 |
Family
ID=70489742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010057660.9A Pending CN111123413A (en) | 2020-01-19 | 2020-01-19 | Sensor device for intelligent greenhouse snow removal equipment based on embedded system control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111123413A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112031582A (en) * | 2020-08-14 | 2020-12-04 | 佛山市三水凤铝铝业有限公司 | Intelligent door and window |
-
2020
- 2020-01-19 CN CN202010057660.9A patent/CN111123413A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112031582A (en) * | 2020-08-14 | 2020-12-04 | 佛山市三水凤铝铝业有限公司 | Intelligent door and window |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108506172B (en) | Online detection system for health state of wind power generation blade | |
| CN103560468B (en) | A kind of deicing high-voltage power transmission line robot | |
| CN207138351U (en) | Solar photovoltaic cell panel automatic dust removing snow removing protector | |
| CN211775204U (en) | Full-automatic intelligent greenhouse snow removing device | |
| CN111123413A (en) | Sensor device for intelligent greenhouse snow removal equipment based on embedded system control | |
| CN105082143A (en) | Dedusting robot for wind power blade | |
| CN113364411A (en) | Novel intelligent snow removing device for solar photovoltaic panel and control method thereof | |
| CN211236314U (en) | Sensor device for intelligent greenhouse snow removal equipment based on embedded system control | |
| CN204462853U (en) | Automatic travelling device on tobacco harvester ridge | |
| CN104793617A (en) | Automatic ridge walking device of tobacco harvester | |
| CN103551329A (en) | Cleaner with walking line correcting function for top of vinyl house | |
| CN113589709A (en) | Intelligent monitoring system for cutting of sugarcane harvester into soil | |
| CN205959099U (en) | Laser radar temperature data collection controller | |
| CN107839654A (en) | A kind of autonomous driving vehicle rain brush | |
| CN206139557U (en) | Photovoltaic power plant automatic cleaning system | |
| CN206039201U (en) | Sunlight greenhouse data acquisition terminal | |
| CN209209059U (en) | A kind of unmanned plane power performance test macro | |
| CN206521630U (en) | A kind of intelligent Outdoor clothes airing rack based on solar energy shrinks control system | |
| CN207802702U (en) | A kind of electronic three-point hitch of tractor | |
| CN204027539U (en) | A kind of cutterhead height detecting device of sugar-cane cutting machine | |
| CN111101663A (en) | Full-automatic intelligent greenhouse snow removing device and use method thereof | |
| CN203742907U (en) | Measuring device for tower of wind turbine generator set | |
| CN106018001A (en) | Acid rain protection system with rain collector | |
| CN214902346U (en) | Full-automatic trimming means of intelligence greenbelt | |
| CN108144940A (en) | A kind of large size monorail photovoltaic battery panel automatic sweeping system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |