CN223624254U - Fault detection device of wind direction sensor - Google Patents
Fault detection device of wind direction sensorInfo
- Publication number
- CN223624254U CN223624254U CN202520246935.1U CN202520246935U CN223624254U CN 223624254 U CN223624254 U CN 223624254U CN 202520246935 U CN202520246935 U CN 202520246935U CN 223624254 U CN223624254 U CN 223624254U
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- wind direction
- rod
- fault detection
- detection device
- direction sensor
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Abstract
The utility model discloses a fault detection device of a wind direction sensor, which belongs to the technical field of detection devices and comprises a fixing seat and a driving mechanism, wherein the fixing seat is square, a controller is arranged on the fixing seat, a supporting plate is arranged on the bottom surface of the fixing seat, the wind direction sensor is arranged on the supporting plate and comprises a wind direction shaft, a wind direction indicator rod and a wind direction signal generator, the top end of the wind direction shaft is connected with the middle part of the wind direction indicator rod, an air cylinder is arranged at the top of the fixing seat, a piston rod of the air cylinder is connected with a linkage plate, the bottom of the linkage plate is connected with the driving mechanism, the driving mechanism comprises a motor, a driving rod and an angle disc, the motor is fixed on the bottom surface of the linkage plate, an output shaft of the motor is in transmission connection with the upper end of the driving rod, the driving rod passes through the middle part of the angle disc, a rotating rod is arranged on the driving rod is arranged in the angle disc to perform circular motion, a groove is arranged on the angle disc, and a photoelectric sensor is arranged at the groove.
Description
Technical Field
The utility model relates to the technical field of detection devices, in particular to a fault detection device of a wind direction sensor.
Background
The wind direction sensor is a physical device which detects the external wind direction information by the rotation of a wind direction arrow, transmits the external wind direction information to the coaxial code disc and outputs the corresponding wind direction related value. Generally, the wind direction sensor main body adopts a mechanical structure of a wind vane, when wind blows to the tail fin at the tail part of the wind vane, an arrow of the wind vane points to the direction of blowing, and the wind direction sensor is converted into an electric signal through an internal sensor, so that a corresponding wind direction value is output.
The wind direction sensor can be used for monitoring and recording meteorological data such as wind speed, wind direction and the like in real time, is an important component part of a meteorological station and has important significance in aspects such as weather forecast, climate change research and the like, but the detection point specified by the conventional wind direction sensor verification rule is 0 degree (Gray code ：0000000)、45°(0011000)、90°(0110000)、135°(0101000)、180°(1100000)、225°(1111000)、270°(1010000)、315°(1001000), is always 0 in D1, D2 and D3 of Gray codes in the angle verification, and whether the D1, D2 and D3 have faults cannot be judged.
Disclosure of utility model
The utility model aims at solving the defects existing in the technology, and provides a fault detection device of a wind direction sensor, which aims at solving the technical problem that only one bit or two bits of Gray code discs of the wind direction sensor in the prior art have faults and are difficult to find.
The utility model provides a fault detection device of a wind direction sensor, which comprises a fixed seat and a driving mechanism, wherein the fixed seat is square, a controller is arranged on the fixed seat, a supporting plate is arranged on the bottom surface of the fixed seat, the supporting plate is provided with the wind direction sensor, the wind direction sensor comprises a wind direction shaft, a wind direction vane rod and a wind direction signal generator, and the top end of the wind direction shaft is connected with the middle part of the wind direction vane rod;
The top of fixing base sets up the cylinder, the piston rod of cylinder is connected with the interlock board, the bottom of interlock board is connected actuating mechanism, actuating mechanism includes motor, transfer line and angle scale, the motor is fixed the bottom surface of interlock board, the output shaft of motor with the upper end transmission of transfer line is connected, the transfer line passes the middle part of angle scale, set up the bull stick on the transfer line, just the bull stick is located the inside circular motion of angle scale, the bottom of transfer line with wind direction scale pole joint, set up the recess on the angle scale, recess department sets up photoelectric sensor.
Optionally, the wind direction signal generator includes infrared emitting diode, gray code disc and photosensitive tube, the wind direction axle with gray code disc coaxial setting, infrared emitting diode is located the front end of the sign indicating number of channels of gray code disc, the photosensitive tube is located the rear end of the sign indicating number of channels of gray code disc, infrared emitting diode the photosensitive tube all with the sign indicating number of channels of gray code disc corresponds.
Optionally, the wind vane rod comprises a wind vane, a balance weight and a connecting rod, wherein the wind vane and the balance weight are respectively positioned at two end parts of the connecting rod, and the middle part of the connecting rod is connected with the top end of the wind vane shaft.
Optionally, a clamping block is arranged at the bottom of the transmission rod, a bayonet is arranged on the connecting rod, and the clamping block is clamped with the bayonet.
The angle dial is a 360-degree sub dial, three grooves are arranged, and the three grooves correspond to the positions of 3 degrees, 43 degrees and 239 degrees of the angle dial respectively.
Optionally, an angle sensor is disposed on the rotating rod.
Optionally, a wind direction shaft sleeve is arranged at the bottom of the wind direction shaft, the wind direction shaft sleeve is arranged at the outer side of the bottom of the wind direction shaft in a sleeving manner, and a north-pointing rod is arranged at the outer side of the wind direction shaft sleeve.
Optionally, a display panel and an alarm are further arranged on the fixing seat, and the controller is respectively and electrically connected with the display panel, the alarm and the angle sensor.
Optionally, the driving mechanism further comprises a speed reducer, an input end of the speed reducer is connected with an output shaft of the motor, and an output end of the speed reducer is connected with an upper end portion of the transmission rod.
Compared with the prior art, the method has the following beneficial effects:
The utility model provides a fault detection device of a wind direction sensor, wherein a transmission rod in a driving mechanism is clamped with a wind vane rod through controlling the movement of a piston rod of a cylinder, then the movement of the driving mechanism is controlled, a motor drives the transmission rod, a rotating rod and the wind vane rod to rotate, the rotating angle of the rotating rod is controlled, the wind direction sensor stops at a preset angle, a Gray code disc of the wind direction sensor outputs a corresponding Gray code at the moment, and the fault detection of the wind direction sensor is realized through judging the gray code disc.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only preferred embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a fault detection device of a wind direction sensor provided by the utility model.
In the figure, 11 parts of a fixed seat, 12 parts of a supporting plate, 13 parts of an air cylinder, 14 parts of a linkage plate, 15 parts of a vertical rod;
21. Wind direction shaft 221, bayonet 222, wind vane 223, balance weight 224, connecting rod 231, gray code disc 24, north-pointing rod 25, wind direction shaft sleeve;
31. 32 parts of motors, transmission rods, 33 parts of angle scales, 34 parts of grooves, 35 parts of rotating rods, 36 parts of speed reducers, 37 parts of clamping blocks, 38 parts of photoelectric sensors;
41. display panel, 42, alarm, 43 and controller.
Detailed Description
For a better understanding of the present utility model, its construction, and the functional features and advantages attained by the same, reference should be made to the accompanying drawings in which:
Examples:
As shown in fig. 1, the utility model provides a fault detection device of a wind direction sensor, which comprises a fixed seat 11 and a driving mechanism, wherein the fixed seat 11 is square, a controller 43 is arranged on the fixed seat 11, a supporting plate 12 is arranged on the bottom surface of the fixed seat 11, the wind direction sensor is arranged on the supporting plate 12, and the wind direction sensor comprises a wind direction shaft 21, a wind direction vane rod and a wind direction signal generator;
The top of the fixed seat 11 is provided with an air cylinder 13, the air cylinder 13 is electrically connected with a controller 43, a piston rod of the air cylinder 13 is connected with a linkage plate 14, an angle dial 33 is arranged below the linkage plate 14, the bottom surface of the linkage plate 14 is connected with the angle dial 33 through a vertical rod 15, the bottom of the linkage plate 14 is connected with the driving mechanism, the driving mechanism comprises a motor 31, a transmission rod 32 and the angle dial 33, the motor 31 is fixed on the bottom surface of the linkage plate 14, an output shaft of the motor 31 is in transmission connection with the upper end part of the transmission rod 32, the transmission rod 32 passes through the middle part of the angle dial 33, a rotating rod 35 is arranged on the transmission rod 32, the rotating rod 35 is positioned in the angle dial 33 to do circular motion, the bottom end of the transmission rod 32 is clamped with the wind direction dial, a groove 34 is arranged on the angle dial 33, and a photoelectric sensor 38 is arranged at the groove 34;
The wind direction signal generator comprises an infrared light emitting diode, a Gray code disc 231 and a photosensitive tube, the wind direction shaft 21 and the Gray code disc 231 are coaxially arranged, the infrared light emitting diode is positioned at the front end of the code channel of the Gray code disc 231, the photosensitive tube is positioned at the rear end of the code channel of the Gray code disc 231, and the infrared light emitting diode and the photosensitive tube are corresponding to the code channel number of the Gray code disc 231;
The wind vane rod comprises a wind vane 222, a counter weight 223 and a connecting rod 224, wherein the wind vane 222 and the counter weight 223 are respectively positioned at two end parts of the connecting rod 224, and the middle part of the connecting rod 224 is connected with the top end of the wind vane shaft 21;
The three grooves 34 are arranged, and the three grooves 34 respectively correspond to the positions of 3 degrees, 43 degrees and 239 degrees of the angle dial 33;
Specifically, the wind direction sensor is inevitably failed in practical application, so that the accuracy of detection of the wind direction sensor is influenced by continuous use after the wind direction sensor fails, and therefore, the rapid detection is very important when the wind direction sensor fails;
The wind direction signal generator composed of seven-bit Gray code disk 231, infrared light emitting diode and photosensitive tube is connected to the connecting rod 224 of wind vane rod through wind direction shaft 21, one set of infrared light emitting diode and photosensitive tube are aligned to the code channel of Gray code disk 231, seven sets of infrared light emitting diode and photosensitive tube are aligned to the code channel of Gray code disk 231 to generate seven-bit Gray code (D7, D6, D5, D4, D3, D2, D1) representing wind direction, resolution is 2.815 deg., infrared light emitting diode is placed at the front end of Gray code disk 231, for the code channel front end of Ying Gelei code disk 231, photosensitive tube is placed at the rear end of Gray code disk 231, for the code channel rear end of Ying Gelei code disk 231, a complete detection circuit is formed through circuit connection, infrared light emitted by infrared light emitting diode can irradiate to the light transmitting part of Gray code disk 231 to make light transmitting and reach photosensitive tube, when code disk 231 rotates, the light transmitting part and light shielding part alternately emits electric signal to the infrared light emitting diode to convert light into corresponding light output Gray code disk.
In the prior art, the detection point specified by the wind direction sensor detection rule is 0 degree (Gray code ：0000000)、45°(0011000)、90°(0110000)、135°(0101000)、180°(1100000)、225°(1111000)、270°(1010000)、315°(1001000), in the angle detection, D1, D2 and D3 of Gray code are always 0, and whether D1, D2 and D3 are faulty or not can not be judged, so that if only one or two bits of seven-bit Gray code are faulty, the wind direction sensor is difficult to find out that the wind direction sensor is faulty;
In the utility model, when a fault detection is required to be carried out on a wind direction sensor, a piston rod of a control cylinder 13 extends to enable a linkage plate 14 connected with the piston rod and a driving mechanism to synchronously displace downwards, and the bottom end of a transmission rod 32 of the driving mechanism is clamped with a wind direction vane rod to enable the driving mechanism to be fixed with the wind direction vane rod;
The three grooves 34 are arranged on the angle disc 33, the three grooves 34 respectively correspond to the positions of 3 DEG, 43 DEG and 239 DEG of the angle disc 33, the three grooves 34 are respectively provided with the photoelectric sensor 38, the photoelectric sensor 38 is electrically connected with the controller 43, the first photoelectric sensor 38 is arranged on the groove 34 of which the emitted light can irradiate the angle disc 33 within 3 DEG, the second photoelectric sensor 38 is arranged on the groove 34 of which the emitted light can irradiate the angle disc 33 within 43 DEG, the third photoelectric sensor 38 is arranged on the groove 34 of which the emitted light can irradiate the angle disc 33 within 239 DEG, when the rotating rod 35 rotates, when the light is blocked for a period of time (corresponding to the time when the rotating rod 35 rotates through the groove 34), the photoelectric sensor 38 detects that the light is blocked, the output signal of the photoelectric sensor 38 is sent to the controller 43 so as to trigger an instruction of stopping the rotation of the motor 31 when the groove 34 is detected, the motor 31 stops rotating, and the rotating rod 35 stops at the positions of 3 DEG, 43 DEG or 239 DEG;
It should be noted that the basic principle of angle measurement of the photoelectric sensor 38 is to utilize the shielding effect of the groove 34 on the angle scale 33 on the light, and in the measurement process, the photoelectric sensor 38 emits a beam of light, and when the light in the groove 34 is shielded, the intensity of the light detected by the receiving end of the photoelectric sensor 38 will change. By measuring the time or displacement difference of the light intensity change, the relative angle between the rotating rod 35 and the photosensor 38 can be calculated indirectly, and when the angle dial 33 rotates to a specific position (i.e. the groove 34), the photosensor 38 detects the significant change of the light intensity, thereby triggering the stop signal.
Since the resolution of the gray code disc 231 is 2.815 °, when the rotation of the rotating rod 35 is 3 ° during fault detection, if the wind direction sensor is not failed, the wind vane 222 should also be rotated to 3 °, at this time, the output signal voltages of D7, D6, D5, D4, D3, and D2 of the wind direction sensor are all 0, and the lowest level D1 signal voltage is 5V, i.e. gray code 0000001; when the rotating rod 35 rotates to 43 DEG, if the wind direction sensor does not have a fault, the wind vane 222 also rotates to 43 DEG, and at the moment, the D7, D6, D5, D3, D2 and D1 output voltage signals of the wind direction sensor are all 0, and the D4 output voltage signal is 5V, namely, the Gray code is 0001000, six light emitting diodes at the corresponding positions of the wind direction sensor are in a non-bright state, and one light emitting diode is in a bright state, when the rotating rod 35 rotates to 239 DEG, if the wind direction sensor does not have a fault, the Gray code output by seven channels of the Gray code disk 231 is 1, namely, the Gray code is 1111111, at the moment, the output voltage is all 5V, and the seven light emitting diodes of the wind direction sensor are in a bright state, and when the driving mechanism drives the rotating rod 35 to 3 DEG, 43 DEG or 239 DEG, the light emitting diodes are in different states, so that whether the fault exists is judged, and by detecting the seven light emitting diodes output by 3 DEG, the Gray code or 239, the fault is difficult to be detected, and the fault of one or two Gray codes can be avoided;
It should be noted that, the gray code disk 231 of the wind direction sensor has seven code channels, which can output two signals of "0" and "1" when it works normally, when it fails, the code channel can only output one of the signals, so if the code channel can output two signals of "0" and "1", the code channel is considered normal, D1, D2 and D3 bits of the detection point adopted in the wind direction sensor verification in the prior art are "0", if the D1, D2 and D3 code channels are "1" when the signal output is abnormal, the gray code output in the normal state should be 00000001, the voltage output by the six code channels of D7-D2 should be 0V, the corresponding photosensitive tubes of the six code channels should be the state of the light-off lamp, the voltage output by D1 should be 5V, the corresponding photosensitive tubes should be the state of the light-on lamp, the corresponding code channels should be the state of the light-on lamp, the gray code channels should be detected by the setting angle to be 3, the gray code channels of D7-D2 should be 5V, the gray code channel should be detected by the normal state of all the gray code channels should be 5V, the gray code channels should be detected by the normal state of all the gray code channels should be 5, the gray code channels should be detected by the normal state of all the gray code channels should be detected by setting the gray code channels to be 5V, the gray channel should be detected by the normal state of the gray code channel should be detected by the gray channel should be 5V 5;
As an alternative embodiment, the bottom of the driving rod 32 is provided with a clamping block 37, the connecting rod 224 is provided with a clamping opening 221, the clamping block 37 is clamped with the clamping opening 221, the driving rod 32 and the wind vane rod can be quickly fixed through a driving mechanism by the arrangement of the clamping opening 221 and the clamping block 37, and the driving mechanism can drive the wind vane rod to rotate, so that gray codes are output for fault detection.
As an alternative embodiment, an angle sensor is disposed on the rotating rod 35, through which the rotating angle of the rotating rod 35 can be measured, and the detected angle is sent to the controller 43, so as to judge whether the angle measured by the angle sensor is at the position of 3 degrees, 43 degrees or 239 degrees when the rotating rod 35 stops, and facilitate the accuracy of the subsequent fault detection result.
As an alternative embodiment, a wind direction shaft 21 sleeve is disposed at the bottom of the wind direction shaft 21, the wind direction shaft 21 sleeve is disposed at the outer side of the bottom of the wind direction shaft 21, and a north-pointing rod 24 is disposed at the outer side of the wind direction shaft 21 sleeve.
As an optional implementation manner, the fixing seat 11 is further provided with a display panel 41 and an alarm 42, and the controller 43 is electrically connected with the display panel 41, the alarm 42 and the angle sensor respectively;
The display panel 41 can display the angle detected by the angle sensor and the signal output by the gray code disk 231, and the controller 43 can judge whether the angle detected by the angle sensor is consistent with the angle corresponding to the signal output by the gray code disk 231, and display the judging result on the display panel 41, and if the judging result is inconsistent, the alarm 42 gives an alarm.
As an alternative embodiment, the driving mechanism further includes a speed reducer 36, an input end of the speed reducer 36 is connected to an output shaft of the motor 31, and an output end of the speed reducer 36 is connected to an upper end of the transmission rod 32;
The rotating speed of the output shaft of the motor 31 can be reduced through the speed reducer 36, the rotating rod 35 is prevented from rotating too fast, and the rotating rod 35 can be stopped more rapidly and accurately when a stop command is triggered when the rotating rod 35 rotates.
It should be noted that the angle sensor, the infrared light emitting diode, the light sensitive tube and other elements adopted in the application are all existing electronic components in the field, and those skilled in the art can obtain and understand the circuit structure of the electronic components such as the motor and the circuit connection structure between the electronic components according to the technical common knowledge and technical data disclosed in the prior art, the embodiment of the application is not specifically described, and those skilled in the art can freely select corresponding models according to the needs, so that the embodiment is not particularly limited.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the disclosed technology. Therefore, any modification, equivalent variation and modification of the above embodiments according to the technology of the present utility model fall within the protection scope of the present utility model.
Claims (9)
1. The fault detection device of the wind direction sensor is characterized by comprising a fixed seat and a driving mechanism, wherein the fixed seat is square, a controller is arranged on the fixed seat, a supporting plate is arranged on the bottom surface of the fixed seat, the wind direction sensor is arranged on the supporting plate and comprises a wind direction shaft, a wind direction vane rod and a wind direction signal generator, and the top end of the wind direction shaft is connected with the middle part of the wind direction vane rod;
The top of fixing base sets up the cylinder, the piston rod of cylinder is connected with the interlock board, the bottom of interlock board is connected actuating mechanism, actuating mechanism includes motor, transfer line and angle scale, the motor is fixed the bottom surface of interlock board, the output shaft of motor with the upper end transmission of transfer line is connected, the transfer line passes the middle part of angle scale, set up the bull stick on the transfer line, just the bull stick is located the inside circular motion of angle scale, the bottom of transfer line with wind direction scale pole joint, set up the recess on the angle scale, recess department sets up photoelectric sensor.
2. The fault detection device of a wind direction sensor according to claim 1, wherein the wind direction signal generator comprises an infrared light emitting diode, a gray code disc and a photosensitive tube, the wind direction shaft and the gray code disc are coaxially arranged, the infrared light emitting diode is located at the front end of a code channel of the gray code disc, the photosensitive tube is located at the rear end of the code channel of the gray code disc, and the infrared light emitting diode and the photosensitive tube are corresponding to the code channel number of the gray code disc.
3. The fault detection device of a wind direction sensor according to claim 1, wherein the wind vane comprises a wind vane, a counter weight and a connecting rod, the wind vane and the counter weight are respectively positioned at two end parts of the connecting rod, and the middle part of the connecting rod is connected with the top end of the wind direction shaft.
4. A fault detection device for a wind direction sensor according to claim 3, wherein a clamping block is arranged at the bottom of the transmission rod, a bayonet is arranged on the connecting rod, and the clamping block is clamped with the bayonet.
5. The fault detection device of a wind direction sensor according to claim 1, wherein the angle scale is a 360 degree sub scale, and the three grooves are arranged at positions corresponding to 3 °, 43 ° and 239 ° of the angle scale.
6. The fault detection device of a wind direction sensor of claim 5, wherein the rotating rod is provided with an angle sensor.
7. The fault detection device of a wind direction sensor according to claim 1, wherein a wind direction shaft sleeve is provided at a bottom of the wind direction shaft, the wind direction shaft sleeve is provided at an outer side of the wind direction shaft bottom, and a north-pointing rod is provided at an outer side of the wind direction shaft sleeve.
8. The fault detection device of a wind direction sensor according to claim 6, wherein the fixing base is further provided with a display panel and an alarm, and the controller is electrically connected with the display panel, the alarm and the angle sensor respectively.
9. The fault detection device of a wind direction sensor according to claim 1, wherein the driving mechanism further comprises a speed reducer, an input end of the speed reducer is connected with an output shaft of the motor, and an output end of the speed reducer is connected with an upper end portion of the transmission rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520246935.1U CN223624254U (en) | 2025-02-17 | 2025-02-17 | Fault detection device of wind direction sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520246935.1U CN223624254U (en) | 2025-02-17 | 2025-02-17 | Fault detection device of wind direction sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223624254U true CN223624254U (en) | 2025-12-02 |
Family
ID=97822780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520246935.1U Active CN223624254U (en) | 2025-02-17 | 2025-02-17 | Fault detection device of wind direction sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223624254U (en) |
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2025
- 2025-02-17 CN CN202520246935.1U patent/CN223624254U/en active Active
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