CN111579813B - Air flow detection compensation device for green building evaluation system - Google Patents
Air flow detection compensation device for green building evaluation system Download PDFInfo
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- CN111579813B CN111579813B CN202010242252.0A CN202010242252A CN111579813B CN 111579813 B CN111579813 B CN 111579813B CN 202010242252 A CN202010242252 A CN 202010242252A CN 111579813 B CN111579813 B CN 111579813B
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- 238000001514 detection method Methods 0.000 title claims abstract description 61
- 238000011156 evaluation Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 238000009423 ventilation Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/02—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P13/00—Indicating or recording presence, absence, or direction, of movement
- G01P13/02—Indicating direction only, e.g. by weather vane
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/001—Full-field flow measurement, e.g. determining flow velocity and direction in a whole region at the same time, flow visualisation
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Abstract
The invention relates to the technical field of green buildings, in particular to an air flow detection compensation device for a green building evaluation system, which comprises a ventilating duct with a square structure, a controller, an air flow detection device and a compensation device, wherein the air flow detection device comprises a wind direction detection mechanism, a wind speed detection mechanism and a wind force detection mechanism, the compensation device comprises a wind force compensation mechanism and an opening and closing mechanism, the wind direction detection mechanism comprises a conductive disc, a supporting shaft and a single-sided sail page which are horizontally arranged at the top of the outer side of the ventilating duct, the single-sided sail page is provided with an electrode roller which can be electrically connected with the conductive disc, the conductive disc is provided with a plurality of normally closed contacts which are connected in parallel, and the electric connection roller and all normally closed contacts are electrically connected with the controller.
Description
Technical Field
The invention relates to the technical field of green buildings, in particular to an airflow detection compensation device for a green building evaluation system.
Background
The green building evaluation system comprises an input layer, a display layer and a display layer, wherein the input layer is used for inputting assignment of index parameters; the calculating layer is used for analyzing and calculating building indexes of the green building; the output layer is used for obtaining various reports to be submitted in the implementation process of the green building and realizing the transmission and updating of index values among the modules; the method is mainly used for detecting various indexes of the whole green building in real time and evaluating the performance of the whole green building, wherein one index comprises the detection of the air flow in the green building, so that the air flow in the green building is stable and comfortable and can not be influenced by the outside, the conventional method can only carry out timing random detection through manpower, the detection of the air flow is inaccurate, and the air flow stability standard in the green building can not be reached.
Disclosure of Invention
The invention aims to provide an air flow detection compensation device for a green building evaluation system, which aims to solve the problems in the background technology.
The technical scheme of the invention is as follows:
The utility model provides an air current detection compensation arrangement that green building evaluation system used, including air pipe, the controller of square structure, all with controller electric connection's air current detection device and compensation arrangement, air current detection device is including all installing in the air pipe outside and all with controller electric connection's wind direction detection mechanism, wind speed detection mechanism and wind-force detection mechanism, compensation arrangement is including the wind-force compensation mechanism and the closing mechanism who is used for switching air pipe break-make with the air pipe intercommunication, wind direction detection mechanism is including the conductive disc of horizontal installation in air pipe outside top, the vertical back shaft that sets up at the center of conductive disc and the rotation single face page of installing on the back shaft, the plane at single face page of sail is vertical and supplies the plane with the axis of back shaft all the time, be provided with the electrode roller that can with conductive disc electric connection on the single face page of page, be provided with a plurality of parallelly connected normally closed contact on the conductive disc, electric connection roller and all normally closed contacts all with controller electric connection.
Further, the cylindrical surface of the conductive disc is provided with a plurality of electric connection points which are distributed in equal angle difference and are electrically connected with all normally closed contacts one by one, one of the vertical sides of the single-sided sail page is rotationally connected with the supporting shaft, the electrode roller is vertically rotationally arranged at one end, far away from the supporting shaft, of the bottom side of the single-sided sail page, and the cylindrical surface of the electrode roller is always attached to the cylindrical surface of the conductive disc.
Further, the periphery of the conductive disc is sleeved with a conductive ring, the difference between the diameter of the inner side of the conductive ring and the diameter of the conductive disc is larger than the diameter of the electrode roller, and a plurality of electric contact points which are connected with all the electric connection points in parallel one by one are distributed on the inner cylindrical surface of the conductive ring around the same angular difference of the central line of the conductive ring.
Further, wind-force detection mechanism is including vertical guide bar installed in the ventilation pipe, with guide bar sliding fit's balancing weight, fixed mounting infrared ranging sensor on the balancing weight and the balloon of being connected with the balancing weight through the rope, the balloon is laid at the top of back shaft, the back shaft is provided with the through-hole that supplies the rope to pass along self central line, and electrically conductive disc and air pipe all are provided with the hole of dodging that is used for dodging the rope, infrared ranging sensor and controller electric connection.
Further, wind speed detection mechanism is including installing the vertical axle in the air pipe bottom and rotating the empty cup screw of being connected with vertical axle bottom through the fixing base, empty cup screw includes that a plurality of opening all is the empty cup and the link that the level was clockwise distributed, the link center is rotated with vertical axle through the bearing and is connected, rotation speed sensor is installed to the bottom of vertical axle, and the equal angle difference of all empty cups is installed and is kept away from the tip of vertical axle at the link, rotation speed sensor and controller electric connection.
Further, the wind power compensation mechanism comprises an inlet fan and an exhaust fan which are respectively distributed on two sides of the ventilating duct, and the included angles between the wind directions of the inlet fan and the exhaust fan and the central line of the ventilating duct are acute angles.
Further, the opening and closing mechanism comprises two opening and closing doors which are in sliding fit with the end parts of the ventilating duct through slide ways, racks perpendicular to the central line of the ventilating duct and a driving motor are respectively arranged on the two opening and closing doors, and gears which are in transmission fit with the racks are arranged at the output end of the driving motor.
Further, the directions of the air inlet fan and the air outlet fan are in the same direction, the air inlet fan faces the inner side of the ventilating duct, and the air direction of the exhaust fan faces away from the ventilating duct.
Further, both ends of the two racks are provided with limiting blocks.
Further, the bottom of the conductive circular ring is provided with a plurality of drain holes.
The invention provides an air flow detection compensation device for a green building evaluation system through improvement, which has the following improvement and advantages compared with the prior art:
The method comprises the following steps: the invention can detect all indexes of wind speed, wind direction and wind power of the air flow entering the green building in real time all day;
and two,: the invention can feed back the air flow detection data to the controller in real time, and the controller ensures the constant speed of the air flow entering the green building through the air flow compensation device, so that the air flow environment in the green building is stable;
And thirdly,: according to the wind speed, the wind direction and the wind power of the air flow outside the green building, the invention can influence the green building according to the wind power grade and take corresponding measures, thereby avoiding some loss.
Fourth, it is: the wind power compensation mechanism can accelerate or decelerate the airflow, and plays a role in dredging some disasters such as some fires in time.
Drawings
The invention is further explained below with reference to the drawings and examples:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of a second embodiment of the present invention;
FIG. 3 is a schematic perspective view of a third embodiment of the present invention;
FIG. 4 is a schematic perspective view of the present invention;
FIG. 5 is a top view of the present invention;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;
FIG. 7 is a schematic perspective view of a wind detection mechanism and a single sided sail page of the present invention;
FIG. 8 is a schematic circuit diagram of the controller and wind direction detection mechanism of the present invention;
Reference numerals illustrate:
The air duct 1, the air flow detection device 2, the compensation device 3, the wind direction detection mechanism 4, the conductive disc 41, the supporting shaft 42, the electric connection point 43, the conductive ring 44, the electric connection point 45, the single-sided sail page 46, the electrode roller 47, the normally closed contact 48, the wind speed detection mechanism 5, the empty cup propeller 51, the vertical shaft 52, the empty cup 53, the wind force detection mechanism 6, the guide rod 61, the infrared ranging sensor 62, the balancing weight 63, the rope 64, the balloon 65, the wind force compensation mechanism 7, the air inlet fan 71, the exhaust fan 72, the opening and closing mechanism 8, the opening and closing door 81, the rack 82, the gear 83, the driving motor 84, the limiting block 85 and the water drain hole 9.
Detailed Description
The following detailed description of the present invention clearly and fully describes the technical solutions of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides an air flow detection and compensation device for a green building evaluation system through improvement, as shown in figures 1-8, which comprises a ventilating duct 1 with a square structure, a controller, an air flow detection device 2 and a compensation device 3 which are all electrically connected with the controller, wherein the air flow detection device 2 comprises an air direction detection mechanism 4, an air speed detection mechanism 5 and an air force detection mechanism 6 which are all arranged on the outer side of the ventilating duct 1 and are all electrically connected with the controller, the compensation device 3 comprises an air force compensation mechanism 7 communicated with the ventilating duct 1 and an opening and closing mechanism 8 used for opening and closing the ventilating duct 1, the air direction detection mechanism 4 comprises a conductive disc 41 horizontally arranged on the top of the outer side of the ventilating duct 1, a supporting shaft 42 vertically arranged at the center of the conductive disc 41 and a single-sided sail page 46 rotatably arranged on the supporting shaft 42, the plane of the single-sided sail page 46 is vertical and always supplies plane with the axis of the supporting shaft 42, the single-sided sail page 46 is provided with an electrode roller 47 which can be electrically connected with the conductive disc 41, the conductive disc 41 is provided with a plurality of normally closed contacts 48 which are connected in parallel, the electric connection roller and all normally closed contacts 48 are electrically connected with a controller, when the airflow wind blows to the single-sided sail page 46, the single-sided sail page 46 swings along with the wind, and finally swings back and forth around the supporting shaft 42 at a certain angle, the wind direction can be detected through the electric connection of the conductive disc 41, the wind speed of the airflow detected by the wind speed detection mechanism 5, the wind force is detected by the wind force detection mechanism 6, whether the airflow meets the standard or not is judged through various indexes of the airflow, the airflow is constant when the airflow is controlled by the controller to enter the green building through the wind compensation mechanism 7, the electrode roller 47 is electrically connected with the +12V end of the controller, a resistor is electrically connected between the electrode roller 47 and the controller.
The controller is a logic programmable controller, the model of the controller is FX2N-128MR with the i/o port of 128 points/64, the working principle of the controller is the prior art, and the controller is not described in detail herein;
The cylindrical surface of the conductive disc 41 is provided with a plurality of electrical connection points 43 which are distributed in equal angular difference and are electrically connected with all normally closed contacts 48 one by one, one vertical side edge of the single-sided sail page 46 is rotationally connected with the supporting shaft 42, the electrode roller 47 is vertically rotationally arranged at one end, far away from the supporting shaft 42, of the bottom side edge of the single-sided sail page 46, the cylindrical surface of the electrode roller 47 is always attached to the cylindrical surface of the conductive disc 41, different numbers of the normally closed contacts 48 electrically connected with an input port of the controller represent different wind direction directions, when air current blows to the single-sided sail page 46, the single-sided sail page 46 swings along with wind, and finally, the normally closed contacts 48 corresponding to the electrical connection points 43 electrically contacted with the electrode roller 47 can swing back and forth around the supporting shaft 42 to send high-level signals to the controller, so that the controller can analyze the back and forth swing angle of the single-sided sail page 46 and average value, and can obtain the wind direction.
The periphery of the conductive disc 41 is sleeved with a conductive ring 44, the difference between the diameter of the inner side of the conductive ring 44 and the diameter of the conductive disc 41 is larger than the diameter of the electrode roller 47, a plurality of electric contact points 45 which are connected with all the electric connection points 43 in parallel one by one are distributed on the inner side cylindrical surface of the conductive ring 44 around the central line of the conductive ring at equal angular difference, when airflow wind blows to the single-sided sail pages 46, the single-sided sail pages 46 swing along with wind and finally swing back and forth around the supporting shaft 42 at a certain angle, if the wind force is too large, the supporting shaft 42 is deformed, the electrode roller 47 rotates to the periphery, and the normally closed contacts 48 corresponding to the electric contact points 45 which are electrically contacted with the electrode roller 47 through the electrode roller 47 still can send high-level signals to the controller, so that the controller can analyze the back and forth swinging angle of the single-sided sail pages 46 and take the average value, and the wind direction can be obtained.
The normally-closed contact 48 is JRC-10MA/006-01, and the working principle thereof is the prior art, which is not described in detail herein;
The wind power detection mechanism 6 comprises a guide rod 61 vertically installed in the ventilation pipe, a balancing weight 63 in sliding fit with the guide rod 61, an infrared ranging sensor 62 fixedly installed on the balancing weight 63 and a balloon 65 connected with the balancing weight 63 through a rope 64, wherein the balloon 65 is placed at the top of the supporting shaft 42, a through hole for the rope 64 to pass through is formed in the center line of the supporting shaft 42, the conductive disc 41 and the ventilation pipeline 1 are respectively provided with an avoidance hole for avoiding the rope 64, the infrared ranging sensor 62 is electrically connected with the controller, the wind power balloon 65 is blown up, the rope 64 pulls the balancing weight 63 and the infrared ranging sensor 62 to rise, the height of the balancing weight 63 from the top of the inner side of the ventilation pipeline 1 is measured in real time through the infrared ranging sensor 62, the height of the infrared ranging sensor 62 is subtracted from the initial height, the rise of the balancing weight 63 can be obtained, different wind powers blow the heights of the balloon 65 are different, the different heights of the rising ranging measured by the infrared ranging sensor 62 are preset for the controller, the different levels of the rising infrared ranging sensor 62 are measured in different levels, and the average values of the rising levels can be measured in different units of time.
The infrared ranging sensor 62 is of the type shiarp-GP 2Y0a710KOF, and the working principle thereof is the prior art and will not be described in detail herein;
The wind speed detection mechanism 5 comprises a vertical shaft 52 arranged at the bottom of the ventilating duct 1 through a fixed seat and an empty cup propeller 51 rotationally connected with the bottom end of the vertical shaft 52, the empty cup propeller 51 comprises a plurality of empty cups 53 with openings horizontally and clockwise distributed and a connecting frame, the center of the connecting frame is rotationally connected with the vertical shaft 52 through a bearing, a rotating speed sensor is arranged at the bottom end of the vertical shaft 52, all the empty cups 53 are uniformly arranged at the end part of the connecting frame far away from the vertical shaft 52 in an angle difference manner, the rotating speed sensor is electrically connected with a controller, air current blows all the empty cups 53 to rotate around the vertical shaft 52, the number of rotations of the empty cup propeller 51 in unit time is detected through the rotating speed sensor, and a digital signal is transmitted to the controller, and the rotating speed sensor is a variable reluctance type of the rotating speed sensor is ZLDS; the working principle is the prior art and is not described in detail here;
The wind power compensation mechanism 7 comprises an air inlet fan 71 and an exhaust fan 72 which are respectively distributed on two sides of the ventilating duct 1, the included angles between the wind directions of the air inlet fan 71 and the exhaust fan 72 and the central line of the ventilating duct 1 are acute angles, the controller detects various indexes of the air flow according to the air flow detection device 2, when the flow speed and the wind power of the air flow are not enough, the air inlet fan is started to accelerate the air flow until the air flow reaches the standard, and when the flow speed and the wind power of the air flow are higher than the standard, the exhaust fan is started to reduce the air flow inflow speed, so that the standard is reached.
The opening and closing mechanism 8 comprises two opening and closing doors 81 which are in sliding fit with the end part of the ventilating duct 1 through a slide way, a rack 82 and a driving motor 84 which are perpendicular to the central line of the ventilating duct 1 are respectively arranged on the two opening and closing doors 81, a gear 83 which is in transmission fit with the two racks 82 is arranged at the output end of the driving motor 84, the driving motor 84 is a servo motor, when the flow speed and the wind force of air flow are higher than the standard, an exhaust fan is started, the driving motor 84 is started at the same time, the driving motor 84 drives the gear 83 to rotate, and the two opening and closing doors 81 are moved in opposite directions by a certain distance through the racks 82, so that the ventilating area is reduced, the inflow speed of air flow is reduced, and the standard is achieved.
The normal direction of the air inlet fan 71 and the air outlet fan 72 is the same, the air inlet fan faces the inner side of the ventilating duct 1, the air direction of the air outlet fan faces away from the ventilating duct 1, the air direction of the air inlet fan and the central line of the ventilating duct 1 tend to be in the same direction, when the flow speed and the air force of the air flow are not standard, the air inlet fan is started to accelerate the air flow, the flow speed of the air flow can be improved in the shortest time, and when the flow speed and the air force of the air flow are higher than the standard, the air outlet fan can divide the air flow or reduce the air speed in the shortest time.
Both ends of the two racks 82 are provided with limiting blocks 85, so that the two switch doors 81 are prevented from sliding off from the ventilating duct 1 when being opened and closed.
The bottom of the conductive circular ring 44 is provided with a plurality of drain holes 9, so that the phenomenon that water exists between the conductive circular ring 44 and the conductive disc 41 to cause power connection and burn out equipment is avoided.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An air current detection compensation arrangement that green building evaluation system used which characterized in that: including air pipe (1) of square structure, controller, all with controller electric connection's air current detection device (2) and compensation arrangement (3), air current detection device (2) including all install in air pipe (1) outside and all with controller electric connection's wind direction detection mechanism (4), wind speed detection mechanism (5) and wind detection mechanism (6), compensation arrangement (3) including wind power compensation mechanism (7) and be used for switching air pipe (1) break-make opening/closing mechanism (8) with air pipe (1) intercommunication, wind direction detection mechanism (4) including horizontal installation conductive disc (41) at air pipe (1) outside top, vertical setting single face sail page (46) on conductive disc (41) and rotation installation on supporting shaft (42), the place plane of single face sail page (46) is vertical and always with the axis supply plane of supporting shaft (42), be provided with on single face sail page (46) can with conductive disc (41) electric connection's roller (47), be provided with on conductive disc (41) normally closed and all contact (48) are connected with electric parallel connection.
2. The air flow detection and compensation device for a green building evaluation system according to claim 1, wherein: the cylindrical surface of the conductive disc (41) is provided with a plurality of electric connection points (43) which are distributed in equal angle difference and are electrically connected with all normally closed contacts (48) one by one, one of the vertical sides of the single-sided sail page (46) is rotationally connected with the supporting shaft (42), the electrode roller (47) is vertically rotationally arranged at one end, far away from the supporting shaft (42), of the bottom side of the single-sided sail page (46), and the cylindrical surface of the electrode roller (47) is always attached to the cylindrical surface of the conductive disc (41).
3. The air flow detection and compensation device for a green building evaluation system according to claim 2, wherein: the periphery of the conductive disc (41) is sleeved with a conductive ring (44), the difference between the inner diameter of the conductive ring (44) and the diameter of the conductive disc (41) is larger than the diameter of the electrode roller (47), and a plurality of electric contact points (45) which are connected with all the electric connection points (43) in parallel one by one are distributed on the inner cylindrical surface of the conductive ring (44) around the central line of the conductive ring at equal angular difference.
4. The air flow detection and compensation device for a green building evaluation system according to claim 1, wherein: the wind power detection mechanism (6) comprises a guide rod (61) vertically installed in the ventilation pipe, a balancing weight (63) in sliding fit with the guide rod (61), an infrared ranging sensor (62) fixedly installed on the balancing weight (63) and a balloon (65) connected with the balancing weight (63) through a rope wire (64), the balloon (65) is placed at the top of a supporting shaft (42), a through hole for the rope wire (64) to pass through is formed in the supporting shaft (42) along the center line of the supporting shaft, and avoidance holes for avoiding the rope wire (64) are formed in the conductive disc (41) and the ventilation pipeline (1), and the infrared ranging sensor (62) is electrically connected with the controller.
5. The air flow detection and compensation device for a green building evaluation system according to claim 1, wherein: the wind speed detection mechanism (5) comprises a vertical shaft (52) arranged at the bottom of the ventilating duct (1) through a fixed seat and an empty cup propeller (51) rotationally connected with the bottom end of the vertical shaft (52), wherein the empty cup propeller (51) comprises an empty cup (53) and a connecting frame, the openings of the empty cup (53) are horizontally and clockwise distributed, the center of the connecting frame is rotationally connected with the vertical shaft (52) through a bearing, a rotating speed sensor is arranged at the bottom end of the vertical shaft (52), equal angle difference of all the empty cups (53) is arranged at the end part of the connecting frame far away from the vertical shaft (52), and the rotating speed sensor is electrically connected with a controller.
6. The air flow detection and compensation device for a green building evaluation system according to claim 1, wherein: the wind power compensation mechanism (7) comprises an air inlet fan (71) and an exhaust fan (72) which are respectively distributed on two sides of the ventilating duct (1), and the included angles between the wind directions of the air inlet fan (71) and the exhaust fan (72) and the central line of the ventilating duct (1) are acute angles.
7. The air flow detection and compensation device for a green building evaluation system according to claim 1, wherein: the opening and closing mechanism (8) comprises two opening and closing doors (81) which are in sliding fit with the end parts of the ventilating duct (1) through sliding ways, racks (82) perpendicular to the central line of the ventilating duct (1) and a driving motor (84) are respectively arranged on the two opening and closing doors (81), and gears (83) which are in transmission fit with the two racks (82) are arranged at the output end of the driving motor (84).
8. The airflow detection and compensation device for a green building assessment system according to claim 6, wherein: the normal direction of the wind directions of the air inlet fan (71) and the air outlet fan (72) are the same, the wind direction of the air inlet fan (71) faces the inner side of the ventilating duct (1), and the wind direction of the air outlet fan (72) faces away from the ventilating duct (1).
9. The airflow detection and compensation device for a green building assessment system according to claim 7, wherein: limiting blocks (85) are arranged at two ends of each rack (82).
10. A flow detection and compensation device for a green building assessment system according to claim 3, wherein: the bottom of the conductive circular ring (44) is provided with a plurality of drain holes (9).
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| CN202010242252.0A CN111579813B (en) | 2020-03-31 | 2020-03-31 | Air flow detection compensation device for green building evaluation system |
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| CN101356431A (en) * | 2005-12-14 | 2009-01-28 | 沙特阿拉伯石油公司 | Gas warning system with wind direction indicator |
| CN208224802U (en) * | 2018-06-12 | 2018-12-11 | 湖北省气象信息与技术保障中心 | A kind of wind direction and wind velocity sensor Intelligent anti-freezing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07276969A (en) * | 1994-04-05 | 1995-10-24 | Nippondenso Co Ltd | Air conditioner for vehicle |
| KR20100137045A (en) * | 2009-06-21 | 2010-12-30 | 이동천 | Wind turbine generator and method using auxiliary blower |
| JP6129110B2 (en) * | 2014-04-24 | 2017-05-17 | 明星電気株式会社 | Weather meter |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101356431A (en) * | 2005-12-14 | 2009-01-28 | 沙特阿拉伯石油公司 | Gas warning system with wind direction indicator |
| CN208224802U (en) * | 2018-06-12 | 2018-12-11 | 湖北省气象信息与技术保障中心 | A kind of wind direction and wind velocity sensor Intelligent anti-freezing device |
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