CN115266508A - A dust detector that can reciprocate and monitor dust of different heights - Google Patents

Abstract

The invention provides a dust detector capable of monitoring dust with different heights in a reciprocating mode, and relates to the field of dust detection. The main body of the unmanned aerial vehicle is disc-shaped, a plurality of blades are fixedly connected with the edges at equal angles, and a detection device is fixedly connected with the middle of the unmanned aerial vehicle in a penetrating manner; the detection device comprises a sleeve, a cover plate is arranged in the sleeve, the middle of the lower end of the cover plate is fixedly connected with a laser generator, and the inner wall of the sleeve is fixedly connected with a photoelectric sensor; the electrode sleeve comprises a sleeve and is characterized in that a supporting column is arranged inside the sleeve, a second electrode sleeve is fixedly connected to the inner wall of the lower portion of the supporting column, a first electrode sleeve is fixedly connected to the inner wall of the sleeve, and the first electrode sleeve and the second electrode sleeve are arranged at the same height. Through carrying on detection device on unmanned aerial vehicle, can realize the not detection of co-altitude, use two kinds of detection methods simultaneously, improve the accuracy that detects.

Description

A dust detector capable of reciprocating monitoring of dust at different heights

technical field

The invention relates to the technical field of dust detection, in particular to a dust detector capable of reciprocatingly monitoring dust at different heights.

Background technique

Dust detector is referred to as dust meter for short, also called dust measuring instrument or dust tester, which is mainly used to detect the dust concentration in the ambient air. The types of dust meter are divided into: laser dust meter, online continuous monitoring dust meter, portable dust meter, etc. , Dust instrument is widely used in disease prevention and control centers, mines, metallurgy, power plants, chemical manufacturing, health supervision, environmental protection, environmental online monitoring and so on.

Most of the existing dust meters adopt fixed-point detection, that is, a dust meter is installed at the detection point. This method is inflexible, and with the increase of detection points, the cost of detection hardware also increases greatly.

Contents of the invention

(1) Solved technical problems

Aiming at the deficiencies of the prior art, the present invention provides a dust detector capable of reciprocatingly monitoring dust at different heights, which solves the problem of detecting dust concentrations at different heights.

(2) Technical solution

In order to achieve the above purpose, the present invention is achieved through the following technical solutions: a dust detector capable of reciprocatingly monitoring dust at different heights, including: a drone, the main body of the drone is dish-shaped, and the edge, etc. A number of paddles are fixedly connected at an angle, and a detection device is fixedly connected through the middle of the drone. The detection device is installed on the UAV to realize the detection of dust concentration at different heights.

The detection device includes a sleeve, and a cover plate is arranged inside the sleeve, a laser generator is fixedly connected to the middle part of the lower end of the cover plate, and a photoelectric sensor is fixedly connected to the inner wall of the sleeve. That is, the dust concentration is detected by means of laser light scattering.

The inside of the sleeve is provided with a support column, the inner wall of the lower part of the support column is fixedly connected with the second electrode cover, the inner wall of the sleeve is fixedly connected with the first electrode cover, and the first electrode cover and the second electrode cover are fixedly connected. Set of contour settings. The dust concentration is detected by capacitance method, that is, when the air flow passes between the first electrode sleeve and the second electrode sleeve, the capacitance value of the first electrode sleeve and the second electrode sleeve changes.

Preferably, it also includes a base, the base is symmetrically provided with placement slots, and the lower end of the main body of the drone is symmetrically fixedly connected with a support frame, and the support frame cooperates with the placement slots. The opening of the upper part of the placement slot is large, which is beneficial to the landing of the drone. At the same time, a contact point can be set in the placement slot. After the drone falls on the base, the drone can be charged.

Preferably, an electromagnet is arranged inside the sleeve, a connecting rod is extended from the lower end of the electromagnet, and the lower end of the connecting rod is fixedly connected to the cover plate. That is, when the electromagnet is energized, the cover plate can be lifted up. When not detecting, the cover plate keeps the upper end of the sleeve in a closed state.

Preferably, the electromagnet includes a casing, an armature is arranged inside the casing, the lower end of the armature is fixedly connected to the upper end of the connecting rod, the inner wall of the casing is fixedly connected with a coil, and the inside of the casing is provided with There is a spring, the upper end of the spring is against the upper top wall of the housing, and the lower end of the spring is against the upper end of the armature. That is, when the coil is energized, a magnetic field is generated to act on the armature, so that the connecting rod rises, that is, the cover moves upward, and when the coil is not energized, under the action of the spring, the connecting rod remains in a down state, that is, the sleeve is in a closed state.

Preferably, a third support rod is fixedly connected to the side wall of the electromagnet, and the other end of the third support rod is fixedly connected to the inner wall of the sleeve. Used to support and fix the electromagnet.

Preferably, the middle part of the support column is provided with a through hole, the through hole is located directly below the laser generator, the upper side wall of the support column is fixedly connected with a second support rod, and the second support rod The other end is fixedly connected to the inner wall of the sleeve. When the laser generator is working, the generated laser light passes through the through hole to avoid measurement errors caused by the reflection of the laser light.

Preferably, a stop ring is fixedly connected to the inner wall of the sleeve, a groove is arranged on the upper part of the stop ring, and a sealing ring is arranged in the groove, the edge of the cover plate is bent downward, and into the groove. That is to say, when the cover moves upwards, it breaks away from the retaining ring, and at this time the sleeve conducts up and down, and the setting of the groove and the bending place can reduce the entry of external light and reduce the interference to the photoelectric sensor. The sealing ring can buffer the impact force generated by the downward movement of the cover plate, and also improve the sealing performance of the sleeve.

Preferably, a driving motor is arranged inside the sleeve, the driving motor is located directly below the supporting column, and the output end of the driving motor is fixedly connected with a fan blade. Start the drive motor, the fan blades rotate to provide the flow rate of the airflow in the sleeve

Preferably, a first support rod is fixedly connected to the side wall of the driving motor, and the other end of the first support rod is fixedly connected to the inner wall of the sleeve. Used to support stationary drive motors.

(3) Beneficial effects

The invention provides a dust detector capable of reciprocatingly monitoring dust at different heights.

Has the following beneficial effects:

1. In the present invention, the detection device is integrally designed on the drone, and the drone can detect according to the target requirements, and the use is flexible.

2. In the present invention, the detection device is equipped with laser detection and capacitive detection, which can improve the accuracy of detection.

3. In the present invention, the arrangement of the cover plate reduces the influence of the external light source, and a through hole is opened in the middle of the support column to minimize the generation and emission of laser light, both of which are used to improve the accuracy of laser detection.

4. In the present invention, the use of the cover plate and the electromagnet, when not detecting, the cover plate closes the upper end of the sleeve, which can protect the parts below the cover plate.

Description of drawings

Fig. 1 is the three-dimensional schematic diagram of the present invention;

Fig. 2 is a schematic top view of the present invention;

Fig. 3 is a schematic cross-sectional view of the detection device of the present invention;

Fig. 4 is the schematic sectional view of electromagnet of the present invention;

FIG. 5 is an enlarged view at point A in FIG. 3 .

Among them, 1. Base; 2. Placement slot; 3. Support frame; 4. UAV; 5. Detection device;

51. Sleeve; 52. Fan blade; 53. First support rod; 54. Driving motor; 55. First electrode sleeve; 56. Second electrode sleeve; 57. Support column; 58. Through hole; 59. Second Support rod; 510, photoelectric sensor; 511, laser generator; 512, cover plate; 513, electromagnet; 514, third support rod; 515, retaining ring; 516, sealing ring;

131, connecting rod; 132, shell; 133, armature; 134, coil; 135, spring.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Example:

As shown in Figures 1-5, the embodiment of the present invention provides a dust detector capable of reciprocatingly monitoring dust at different heights, including: an unmanned aerial vehicle 4, the main body of the unmanned aerial vehicle 4 is dish-shaped, and the edges are at equal angles A number of paddles are fixedly connected, that is, the power mechanism of the UAV 4, and a detection device 5 is fixedly connected through the middle of the UAV 4, and the detection device 5 is used to detect the concentration of dust.

The detection device 5 includes a sleeve 51. A cover plate 512 is arranged inside the sleeve 51. A laser generator 511 is fixedly connected to the middle part of the lower end of the cover plate 512. The laser generator 511 generates a beam of laser light to irradiate the passing airflow, generating For scattering, the inner wall of the sleeve 51 is fixedly connected with a photoelectric sensor 510, and the scattered laser light is received by the photoelectric sensor 510, and the concentration of dust can be obtained by converting the intensity of the scattered laser light.

The inside of the sleeve 51 is provided with a support column 57, the inner wall of the lower part of the support column 57 is fixedly connected with the second electrode cover 56, the inner wall of the sleeve 51 is fixedly connected with the first electrode cover 55, the first electrode cover 55 and the second electrode cover 56 contour settings. The first electrode cover 55 and the second electrode cover 56 form a capacitor. When the gas passes between the first electrode cover 55 and the second electrode cover 56, the capacitance value of the composition changes. By converting the converted capacitance value, the dust value is obtained. Concentration, two detection methods, compared with each other, can provide detection accuracy.

Also includes a base 1, the base 1 is symmetrically provided with a placement groove 2, and the upper opening of the placement groove 2 is enlarged to facilitate the docking of the UAV 4. The lower end of the main body of the UAV 4 is symmetrically fixedly connected with a support frame 3, and the support frame 3 Cooperate with placement slot 2. Corresponding contacts can be set on both the placement slot 2 and the support frame 3, and are connected through the contacts to charge the UAV 4 when it is docked.

An electromagnet 513 is disposed inside the sleeve 51 , a connecting rod 131 is extended from the lower end of the electromagnet 513 , and the lower end of the connecting rod 131 is fixedly connected to the cover plate 512 . When the electromagnet 513 works, it can move the cover plate 512 .

The electromagnet 513 includes a casing 132. An armature 133 is arranged inside the casing 132. The lower end of the armature 133 is fixedly connected to the upper end of the connecting rod 131. The inner wall of the casing 132 is fixedly connected with a coil 134. The coil 134 is energized to generate a magnetic field and interact with the armature 133. , so that the connecting rod 131 moves upward, a spring 135 is arranged inside the shell 132, the upper end of the spring 135 is against the upper top wall of the shell 132, and the lower end of the spring 135 is against the upper end of the armature 133, when the coil 134 is not powered, The spring 135 is used to keep the connecting rod 131 extending outward.

A third support rod 514 is fixedly connected to the side wall of the electromagnet 513 , and the other end of the third support rod 514 is fixedly connected to the inner wall of the sleeve 51 . The third support rod 514 is used to support the fixed electromagnet 513.

The middle part of the support column 57 is provided with a through hole 58, and the through hole 58 is located directly below the laser generator 511. That is, when the laser generator 511 is working, the laser light generated passes through the through hole 58, which minimizes the reflection of the laser light, and causes the measurement to be inaccurate. To be precise, a second support rod 59 is fixedly connected to the upper side wall of the support column 57 , and the other end of the second support rod 59 is fixedly connected to the inner wall of the sleeve 51 , and the second support rod 59 is used to support the fixed support column 57 .

The inner wall of the sleeve 51 is fixedly connected with a stop ring 515, the top of the stop ring 515 is provided with a groove, and a sealing ring 516 is arranged in the groove, the sealing ring 516 can be used to improve the sealing performance of the sleeve 51 when it is closed, and also The impact force of the downward movement of the cover plate 512 can be buffered, the edge of the cover plate 512 is bent downward, and the bending part extends into the groove, the setting of the bending and the groove, the upward movement of the cover plate 512, and the sleeve The barrel 51 is connected to reduce the entry of external light sources and reduce the interference to the photoelectric sensor 510 .

A driving motor 54 is arranged inside the sleeve 51 , and the driving motor 54 is located directly below the support column 57 , and the output end of the driving motor 54 is fixedly connected with the fan blade 52 . The drive motor 54 is activated, and the fan blade 52 rotates, thereby allowing the airflow to pass through the sleeve 51 .

A first support rod 53 is fixedly connected to the side wall of the driving motor 54 , and the other end of the first support rod 53 is fixedly connected to the inner wall of the sleeve 51 .

Working principle: When in use, the UAV 4 works and hovers at a specified height. At this time, the electromagnet 513 works, the cover plate 512 rises, the sleeve 51 communicates up and down, and then the drive motor 54 is started, the fan blade 52 rotates, and the gas flows in the sleeve. The dust flows in the cylinder 51, and the detection of the dust concentration is realized by means of the laser generator 511, the photoelectric sensor 510, the first electrode sleeve 54 and the second electrode sleeve 56.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (9)

1. The utility model provides a can reciprocate to carry out monitor function's dust detector to different height dust which characterized in that includes:

the unmanned aerial vehicle (4), the main body of the unmanned aerial vehicle (4) is disc-shaped, the edges of the unmanned aerial vehicle (4) are fixedly connected with a plurality of blades at equal angles, and the middle part of the unmanned aerial vehicle (4) is fixedly connected with a detection device (5) in a penetrating manner;

the detection device (5) comprises a sleeve (51), a cover plate (512) is arranged in the sleeve (51), the middle of the lower end of the cover plate (512) is fixedly connected with a laser generator (511), and the inner wall of the sleeve (51) is fixedly connected with a photoelectric sensor (510);

a supporting column (57) is arranged in the sleeve (51), a second electrode sleeve (56) is fixedly connected to the inner wall of the lower portion of the supporting column (57), a first electrode sleeve (55) is fixedly connected to the inner wall of the sleeve (51), and the first electrode sleeve (55) and the second electrode sleeve (56) are arranged in a height-equal mode.

2. The dust detector capable of monitoring dust with different heights in a reciprocating manner according to claim 1, further comprising a base (1), wherein the base (1) is symmetrically provided with placing grooves (2), the lower end of the main body of the unmanned aerial vehicle (4) is symmetrically and fixedly connected with a supporting frame (3), and the supporting frame (3) is matched with the placing grooves (2).

3. The dust detector of claim 1, wherein the dust detector is capable of monitoring dust with different heights in a reciprocating manner, and comprises: an electromagnet (513) is arranged in the sleeve (51), a connecting rod (131) extends from the lower end of the electromagnet (513), and the lower end of the connecting rod (131) is fixedly connected with the cover plate (512).

4. The dust detector of claim 3, wherein the dust detector is capable of monitoring dust with different heights, and comprises: electromagnet (513) includes shell (132), the inside of shell (132) is provided with armature (133), the lower extreme of armature (133) with the upper end fixed connection of connecting rod (131), the inner wall fixedly connected with coil (134) of shell (132), the inside of shell (132) is provided with spring (135), the upper end of spring (135) supports the last top wall of shell (132), the lower extreme of spring (135) supports the upper end of armature (133).

5. The dust detector of claim 3, wherein the dust detector is capable of monitoring dust with different heights, and comprises: the lateral wall fixedly connected with third bracing piece (514) of electro-magnet (513), the other end fixed connection of third bracing piece (514) in the inner wall of sleeve (51).

6. The dust detector of claim 1, wherein the dust detector is capable of monitoring dust with different heights in a reciprocating manner, and comprises: the middle part of support column (57) is provided with through-hole (58), through-hole (58) are located under laser generator (511), the upper portion lateral wall fixedly connected with second bracing piece (59) of support column (57), the other end fixed connection of second bracing piece (59) in the inner wall of sleeve (51).

7. The dust detector of claim 1, wherein the dust detector is capable of monitoring dust with different heights in a reciprocating manner, and comprises: the inner wall of the sleeve (51) is fixedly connected with a baffle ring (515), the upper portion of the baffle ring (515) is provided with a groove, a sealing ring (516) is arranged in the groove, the edge of the cover plate (512) is bent downwards, and the bent portion extends into the groove.

8. The dust detector of claim 1, wherein the dust detector is capable of monitoring dust with different heights, and comprises: the novel fan is characterized in that a driving motor (54) is arranged inside the sleeve (51), the driving motor (54) is located under the supporting column (57), and fan blades (52) are fixedly connected to the output end of the driving motor (54).

9. The dust detector of claim 8, wherein the dust detector is capable of monitoring dust with different heights, and comprises: the lateral wall fixedly connected with first bracing piece (53) of driving motor (54), the other end of first bracing piece (53) and the inner wall fixed connection of sleeve (51).

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