On-line monitoring device for malodorous gas

Abstract

The invention relates to the technical field of gas monitoring, in particular to an online malodorous gas monitoring device which comprises a base, a movable plate is rotatably mounted in the middle of the top end of the base, a support is fixedly mounted in the middle of the top end of the movable plate, movable rods are rotatably mounted in the middles of the two sides of the support, and collecting covers are fixedly mounted in the middles of the peripheries of the movable rods. And the angle adjusting mechanism comprises a rotating shaft. The device has the beneficial effects that a driving mechanism drives a rotating shaft to rotate, under cooperation of a mounting frame and an arc-shaped plate, a collecting cover slightly swings, meanwhile, a threaded rod is matched with a rotating plate and a sleeve so that a moving block can move in the arc-shaped plate, and under cooperation of a connecting plate, a notch and a pin shaft, the moving block can move in the arc-shaped plate; and the swinging angle of the collecting cover can be changed, so that the angle of the collecting cover is adjusted, and the using effect of the device is effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of gas monitoring, and in particular to an online monitoring device for malodorous gases. Background Art

[0002] The online monitoring device for malodorous gases is a system specially designed for continuously monitoring and analyzing the concentrations of various malodorous gases. This device is mainly composed of a gas collection unit, a gas analysis unit, and a data processing and transmission unit. The analyzed data is then transmitted to the data processing unit for further processing and judgment. It can accurately monitor a variety of malodorous gases to ensure environmental safety and human health.

[0003] In the prior art, during the sampling process of malodorous gases, a collection hood and other collection components are used to sample and analyze the gases in the environment. Since the angle of sample collection needs to be adjusted during the sampling process, general devices are not flexible enough in adjusting the angle, resulting in inflexible use of the monitoring device. Summary of the invention

[0004] The purpose of the present invention is to provide an online monitoring device for malodorous gases to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: an online monitoring device for malodorous gas, comprising:

[0006] A base, a movable plate is rotatably mounted in the middle of the top of the base, a bracket is fixedly mounted in the middle of the top of the movable plate, movable rods are rotatably mounted in the middle of both sides of the bracket, and a collection cover is fixedly mounted in the middle of the outer periphery of the movable rod;

[0007] An angle adjustment mechanism, the angle adjustment mechanism includes a rotating shaft, the rotating shaft is symmetrically rotatably mounted on both sides of the bracket, sleeves are slidably mounted on the outer circumference of the rotating shaft, arc plates are fixedly mounted on the sides of the rotating shafts away from each other, moving blocks are slidably mounted inside the arc plates, and mounting frames are fixedly mounted on the sides of the moving blocks close to the collection cover, and the mounting frames are respectively rotatably mounted on the middle of the outer circumference of the movable rod on the same side, connecting plates are rotatably mounted on the surface of the arc plates, and notches are symmetrically opened inside the connecting plates, and the notches are connected to the moving block and sleeve on the same side through pins;

[0008] The middle part of the bracket is symmetrically threaded with a threaded rod, and the ends of the threaded rods that are far away from each other are fixedly installed with a rotating plate, the outer circumference of the sleeve is provided with a limiting groove, and the rotating plates are movably installed in the limiting grooves on the same side, and the lower part of the outer circumference of the rotating plate is movably installed with a limiting plate, and the surface of the limiting plate is fixedly installed with a moving plate, and the moving plate is slidably installed on the bracket, and a driving member is provided in the bracket;

[0009] The driving mechanism is arranged inside the base.

[0010] Preferably, a plurality of control buttons are provided on the front side of the base.

[0011] Preferably, the driving mechanism includes a fixed plate, which is symmetrically distributed and fixedly installed on the top of the base, and a worm is rotatably installed on one side of the fixed plates close to each other, and a worm wheel is meshingly connected to one side of the worm, and a stepper motor is fixedly installed on the surface of one side of the fixed plate and the output end of the stepper motor is connected to the worm.

[0012] Preferably, a drive shaft is rotatably mounted in the middle of the top end of the base, the top end of the drive shaft is fixedly mounted in the middle of the bottom end of the movable plate, and the bottom end of the drive shaft is fixedly mounted on the top end of the worm gear.

[0013] Preferably, the driving component includes a servo motor 1, which is symmetrically fixedly installed on the top of the bracket, and a driving wheel is fixedly installed on the driving end of the servo motor 1. The driving wheel drives the driven wheels on the same side to rotate through a synchronous belt, and the driven wheels are fixedly installed on the ends of the rotating shafts on the same side.

[0014] Preferably, the driving member also includes a support plate, which is fixedly mounted on the end of the moving plate on the same side, and a servo motor 2 is fixedly mounted on the top of the support plate, and a driving gear is fixedly mounted on the output end of the servo motor 2, and the outer periphery of the driving gear is meshed with a driven gear and the driven gears are respectively fixedly mounted on the ends of the threaded rods on the same side.

[0015] Preferably, a control panel is provided at the front end of the base, and the control panel is electrically connected to servo motor 1, servo motor 2 and stepper motor respectively.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The malodorous gas online monitoring device proposed in the present invention is provided with an angle adjustment mechanism, and the driving mechanism drives the rotating shaft to rotate. With the cooperation of the mounting frame and the arc plate, the collecting hood will swing slightly. At the same time, the threaded rod cooperates with the rotating plate and the sleeve to realize the movement of the moving block in the arc plate. With the cooperation of the connecting plate, the notch and the pin shaft, the moving block can move in the arc plate, and then the swing angle of the collecting hood can be changed. In this way, the angle of the collecting hood can be adjusted, which effectively improves the use effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main three-dimensional structure of the present invention;

[0019] Figure 2 This is a schematic diagram of the internal structure of the base of the present invention;

[0020] Figure 3 It is a schematic diagram of the local structure of the driving mechanism of the present invention;

[0021] Figure 4 It is a schematic diagram of the partial structure of the angle adjustment mechanism of the present invention.

[0022] In the figure: 1. base; 2. movable plate; 3. collecting cover; 4. movable rod; 5. bracket; 6. angle adjustment mechanism; 61. servo motor one; 62. synchronous belt; 63. driving wheel; 64. driven wheel; 65. driven gear; 66. driving gear; 67. servo motor two; 68. support plate; 69. moving plate; 610. threaded rod; 611. limit plate; 612. rotating plate; 613. arc plate; 614. mounting frame; 615. rotating shaft; 616. moving block; 617. sleeve; 618. connecting plate; 619. limit slot; 7. control button; 8. control panel; 9. driving mechanism; 91. worm gear; 92. driving shaft; 93. worm; 94. stepping motor; 95. fixed plate. DETAILED DESCRIPTION

[0023] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] See also Figures 1 to 4The present invention provides a technical solution: an online monitoring device for malodorous gas, comprising: a base 1, a movable plate 2 is rotatably installed in the middle of the top of the base 1, a bracket 5 is fixedly installed in the middle of the top of the movable plate 2, movable rods 4 are rotatably installed in the middle of both sides of the bracket 5, and a collection cover 3 is fixedly installed in the middle of the outer periphery of the movable rod 4, an angle adjustment mechanism 6, the angle adjustment mechanism 6 includes a rotating shaft 615, the rotating shaft 615 is symmetrically rotatably installed on both sides of the bracket 5, sleeves 617 are slidably installed on the outer periphery of the rotating shaft 615, arc plates 613 are fixedly installed on the sides of the rotating shaft 615 away from each other, moving blocks 616 are slidably installed in the arc plates 613, and mounting brackets 614 are fixedly installed on the sides of the moving blocks 616 close to the collection cover 3, and the mounting brackets 614 are rotatably installed in the middle of the outer periphery of the movable rod 4 on the same side. The surface of the arc plate 613 is rotatably installed with a connecting plate 618, and the inside of the connecting plate 618 is symmetrically provided with slots, and the slots are connected to the movable block 616 and the sleeve 617 on the same side through a pin shaft. The driving mechanism 9 drives the rotating shaft 615 to rotate, and with the cooperation of the mounting frame 614 and the arc plate 613, the collecting cover 3 will swing slightly. At the same time, the threaded rod 610 rotates, and with the cooperation of the thread, the rotating plate 612 drives the sleeve 617 to move axially along the rotating shaft 615. At this time, the movable block 616 will move in the arc plate 613, and with the cooperation of the connecting plate 618, the slot and the pin shaft, the movable block 616 can be moved in the arc plate 613, and then the swing angle of the collecting cover 3 can be changed. In this way, the angle of the collecting cover 3 is adjusted, which effectively improves the use effect of the device.

[0025] A threaded rod 610 is symmetrically threadedly connected in the middle of the bracket 5, and a rotating plate 612 is fixedly installed at one end of the threaded rod 610 away from each other. A limiting groove 619 is provided on the outer periphery of the sleeve 617, and the rotating plates 612 are movably installed in the limiting grooves 619 on the same side. A limiting plate 611 is movably installed on the lower part of the outer periphery of the rotating plate 612, and a movable plate 69 is fixedly installed on the surface of the limiting plate 611. The movable plate 69 is slidably installed on the bracket 5. A driving member is provided in the bracket 5. By controlling the driving member, the worm 93 can be rotated. Since the worm 93 and the worm wheel 91 are meshed with each other, the worm wheel 91 cooperates with the driving shaft 92 to realize the rotation of the movable plate 2, and then the angle of the collecting hood 3 can be greatly changed, so that the collecting hood 3 can detect gases at different positions conveniently.

[0026] The driving mechanism 9 is arranged inside the base 1. The driving mechanism 9 includes a fixed plate 95. The fixed plates 95 are symmetrically distributed and fixedly installed on the top of the base 1. A worm 93 is rotatably installed on one side of the fixed plates 95 close to each other. A worm wheel 91 is meshed and connected to one side of the worm 93. A stepper motor 94 is fixedly installed on the surface of one side of the fixed plate 95, and the output end of the stepper motor 94 is connected to the worm 93. A driving shaft 92 is rotatably installed in the middle of the top of the base 1. The top end of the driving shaft 92 is fixedly installed in the middle of the bottom end of the movable plate 2, and the bottom end of the driving shaft 92 is fixedly installed on the top of the worm wheel 91.

[0027] The driving member includes a servo motor 61, which is symmetrically fixedly mounted on the top of the bracket 5. A driving wheel 63 is fixedly mounted on the driving end of the servo motor 61. The driving wheel 63 drives the driven wheel 64 on the same side to rotate through a synchronous belt 62. The driven wheels 64 are fixedly mounted on the ends of the rotating shaft 615 on the same side. The driving member also includes a support plate 68, which is fixedly mounted on the ends of the moving plate 69 on the same side. A servo motor 67 is fixedly mounted on the top of the support plate 68. A driving gear 66 is fixedly mounted on the output end of the servo motor 67. The outer periphery of the driving gear 66 is meshed with a driven gear. The wheel 65 and the driven gear 65 are respectively fixedly installed on the ends of the threaded rod 610 on the same side. By controlling the servo motor 1 61, the driving wheel 63 drives the synchronous belt 62 to realize the rotation of the driven wheel 64, thereby realizing the rotation of the rotating shaft 615. At the same time, the servo motor 2 67 can cooperate with the driving gear 66 and the driven gear 65 to drive the threaded rod 610 to rotate, and then the rotating plate 612 will rotate in the limiting groove 619. Since the limiting plate 611 can move synchronously with the servo motor 2 67, the driving gear 66 and the driven gear 65 will move synchronously, ensuring that the threaded rod 610 can rotate continuously.

[0028] A control panel 8 is disposed at the front end of the base 1 . The control panel 8 is electrically connected to the servo motor 1 61 , the servo motor 2 67 and the stepper motor 94 . A plurality of control buttons 7 are disposed at the front side of the base 1 .

[0029] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. An online monitoring device for malodorous gases, characterized in that: include: A base (1), a movable plate (2) is rotatably mounted in the middle of the top of the base (1), a bracket (5) is fixedly mounted in the middle of the top of the movable plate (2), movable rods (4) are rotatably mounted in the middle of both sides of the bracket (5), and a collection cover (3) is fixedly mounted in the middle of the outer periphery of the movable rod (4); An angle adjustment mechanism (6), the angle adjustment mechanism (6) comprising a rotating shaft (615), the rotating shaft (615) being symmetrically rotatably mounted on both sides of the bracket (5), a sleeve (617) being slidably mounted on the outer circumference of the rotating shaft (615), an arc-shaped plate (613) being fixedly mounted on the side of the rotating shaft (615) away from each other, a moving block (616) being slidably mounted inside the arc-shaped plate (613), a mounting frame (614) being fixedly mounted on the side of the moving block (616) close to the collecting cover (3), the mounting frame (614) being rotatably mounted on the middle part of the outer circumference of the movable rod (4) on the same side, a connecting plate (618) being rotatably mounted on the surface of the arc-shaped plate (613), and notches being symmetrically opened inside the connecting plate (618), and the notches being connected to the moving block (616) and the sleeve (617) on the same side through a pin shaft; A threaded rod (610) is symmetrically threadedly connected in the middle of the bracket (5); a rotating plate (612) is fixedly installed at one end of the threaded rod (610) away from each other; a limiting groove (619) is provided on the outer periphery of the sleeve (617), and the rotating plates (612) are movably installed in the limiting grooves (619) on the same side; a limiting plate (611) is movably installed on the lower part of the outer periphery of the rotating plate (612); a movable plate (69) is fixedly installed on the surface of the limiting plate (611); and the movable plate (69) is slidably installed on the bracket (5); and a driving member is provided in the bracket (5); A driving mechanism (9), wherein the driving mechanism (9) is arranged inside the base (1).

2. The malodorous gas online monitoring device according to claim 1, characterized in that: A plurality of control buttons (7) are provided on the front side of the base (1).

3. The malodorous gas online monitoring device according to claim 1, characterized in that: The driving mechanism (9) comprises a fixing plate (95) which is symmetrically distributed and fixedly mounted on the top of the base (1); a worm (93) is rotatably mounted on one side of the fixing plates (95) close to each other; a worm wheel (91) is meshingly connected to one side of the worm (93); a stepping motor (94) is fixedly mounted on the surface of one side of the fixing plate (95) and an output end of the stepping motor (94) is connected to the worm (93).

4. The malodorous gas online monitoring device according to claim 1, characterized in that: A drive shaft (92) is rotatably mounted in the middle of the top end of the base (1), the top end of the drive shaft (92) is fixedly mounted in the middle of the bottom end of the movable plate (2), and the bottom end of the drive shaft (92) is fixedly mounted on the top end of the worm gear (91).

5. The malodorous gas online monitoring device according to claim 1, characterized in that: The driving member comprises a servo motor (61) which is symmetrically fixedly mounted on the top of the bracket (5). A driving wheel (63) is fixedly mounted on the driving end of the servo motor (61). The driving wheel (63) drives the driven wheel (64) on the same side to rotate through a synchronous belt (62). The driven wheel (64) is fixedly mounted on the end of the rotating shaft (615) on the same side.

6. The malodorous gas online monitoring device according to claim 1, characterized in that: The driving member also includes a support plate (68), the support plate (68) is fixedly mounted on the end of the movable plate (69) on the same side, a servo motor 2 (67) is fixedly mounted on the top of the support plate (68), a driving gear (66) is fixedly mounted on the output end of the servo motor 2 (67), the outer periphery of the driving gear (66) is meshedly connected with a driven gear (65), and the driven gear (65) is respectively fixedly mounted on the end of the threaded rod (610) on the same side.

7. The malodorous gas online monitoring device according to claim 1, characterized in that: A control panel (8) is provided at the front end of the base (1), and the control panel (8) is electrically connected to a servo motor 1 (61), a servo motor 2 (67) and a stepping motor (94).

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