CN112304394A - Material level detector and use method thereof - Google Patents
Material level detector and use method thereof Download PDFInfo
- Publication number
- CN112304394A CN112304394A CN202011264487.6A CN202011264487A CN112304394A CN 112304394 A CN112304394 A CN 112304394A CN 202011264487 A CN202011264487 A CN 202011264487A CN 112304394 A CN112304394 A CN 112304394A
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- camera
- rope
- controller
- pulley
- electromagnetic clutch
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/40—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using bands or wires as transmission elements
- G01F23/42—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using bands or wires as transmission elements using mechanically actuated indicating means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/0007—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm for discrete indicating and measuring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/40—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using bands or wires as transmission elements
- G01F23/44—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using bands or wires as transmission elements using electrically actuated indicating means
- G01F23/446—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using bands or wires as transmission elements using electrically actuated indicating means using opto-electrically actuated indicating means
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention belongs to the technical field of material level detection, and particularly discloses a material level detector which comprises a controller, a display, a motor, an electromagnetic clutch, a pulley, a rope, a first camera, a second camera and a floating ball, wherein the motor and the electromagnetic clutch are respectively connected with the controller, the motor drives the pulley to rotate through the electromagnetic clutch, the rope is wound on the pulley, and the free end of the rope is fixedly connected with the floating ball; the rope is provided with scale marks, and the second camera is arranged beside the rope; the first camera and the second camera are connected with a controller, the controller is connected with a display, and the display is used for displaying video images; during the installation, controller and display setting are in the control chamber, and motor, electromagnetic clutch, pulley, rope, first camera and floater setting are in the feed bin top, and the floater is placed in the feed bin of the material that awaits measuring. The use method is further disclosed, so that a worker can know the material level condition in the storage bin in the operation room, and the problem that the worker is bad for the body due to dust is avoided.
Description
Technical Field
The invention belongs to the technical field of material level detection, and relates to a material level detector and a using method thereof.
Background
In the operation of a thermal power plant unit, the data of the coal level, the powder level or the ash level in the storage bin is very important for the operation of the unit, and if the coal, the powder or the ash is cut off, the processing is not timely, so that the danger of shutdown and blowing out can be caused. At present, the work staff must change their shifts 24 hours on site, and the material condition in the storage bin is monitored on site, so that the dust on site is large, the working environment is poor, and the work staff is not good.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a level detector and a using method thereof, and solves the problem that poor environment causes adverse effects on body health in the prior art.
The invention is realized by the following technical scheme:
a material level detector comprises a controller, a display, a motor, an electromagnetic clutch, a pulley, a rope, a first camera, a second camera and a floating ball, wherein the motor and the electromagnetic clutch are respectively connected with the controller;
the rope is provided with scale marks, and the second camera is arranged beside the rope;
the first camera and the second camera are connected with the controller, the first camera is used for monitoring the condition in the storage bin, and the second camera is used for monitoring scale marks on the rope; the controller is connected with the display, and the display is used for displaying the video images of the first camera and the second camera;
during the installation, controller and display setting are in the control chamber, and motor, electromagnetic clutch, pulley, rope, first camera and floater setting are in the feed bin top, and the floater is placed in the feed bin of the material that awaits measuring.
Further, the scale mark is from last to grow in proper order down, and when no material in the feed bin, the floater is in the feed bin bottom, and the rope scale mark that the camera was aimed at is zero scale mark.
Furthermore, the floating ball is a hollow steel ball.
Further, the rope is a steel wire rope.
Further, the pulley is connected with the rotating shaft key.
Further, the motor passes through the installing support to be fixed beside the feed bin, and the second camera is located the pulley below and fixes on the installing support.
Further, the second camera passes through the connecting rod and is connected with the installing support.
Furthermore, a distance measuring sensor is installed on the floating ball, a light blocking plate is installed above the floating ball and is arranged right above the distance measuring sensor, the distance measuring sensor is connected with a controller, and the controller is connected with an alarm.
Furthermore, the light blocking plate is connected to the mounting bracket through a connecting piece, and the alarm adopts an audible and visual alarm.
The invention also discloses a using method of the level detector, which comprises the following steps:
s1, starting the first camera through the controller, making preliminary judgment on the condition in the bin, controlling the electromagnetic clutch and the motor to be electrified through the controller when the situation that the material in the bin is less is found, and starting the second camera;
s2, the motor rotates to drive the electromagnetic clutch to rotate, so that the rotating shaft is driven to rotate, the rotating shaft drives the pulley to rotate, the pulley drives the rope to move upwards, and the controller electrically controls the floating ball to float on the upper surface of the material through the on-off control of the electromagnetic clutch;
s3, observing scale marks on the rope through a second camera, and reading position data of the material level on the display screen
Compared with the prior art, the invention has the following beneficial technical effects:
the invention discloses a material level detector and a using method thereof, wherein the material level detector comprises a controller, a display, a motor, an electromagnetic clutch, a pulley, a rope, a first camera, a second camera and a floating ball, wherein the motor and the electromagnetic clutch are respectively connected with the controller, the motor drives the pulley to rotate through the electromagnetic clutch, the rope is wound on the pulley, and the free end of the rope is fixedly connected with the floating ball; the rope is provided with scale marks, and the second camera is arranged beside the rope; controller control electromagnetic clutch and motor circular telegram, the motor rotation drives electromagnetic clutch and rotates, and then drives the axis of rotation and rotate, and the axis of rotation drives the pulley and rotates, and the pulley drives the rope displacement that makes progress, and when the floater floated the upper surface at the material, controller control motor stall, and the scale mark on the rope is observed through the second camera this moment, just can directly judge the position data of material level. The material level condition in the storage bin can be known without the work of the working personnel on site in the operating room, and the problem that the working personnel are unfavorable to the body due to dust is avoided.
Further, install range sensor on the floater, install the board that hinders light in the top of floater, range sensor is connected with the controller, and the controller is connected with the alarm, and range sensor sends the distance between floater and the board that hinders light measured to the controller in real time to show the actual distance of present floater and board that hinders light on the display screen, when reaching the default, the alarm was reported to the police to controller control. When the actual distance between the floating ball and the light blocking plate is smaller than the preset value, the fact that the materials in the storage bin are few is indicated, and the alarm gives an alarm to remind workers in time.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
Wherein: 1 is the motor, 2 is electromagnetic clutch, 3 is the floater, 4 is the rope, 5 is the second camera, 6 is the controller, 7 is the pulley, 8 is the feed bin, 9 is range sensor, 10 is hindering the worn-out fur.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
example 1
As shown in fig. 1, the invention discloses a level detector, which comprises a controller 6, a display, a motor 1, an electromagnetic clutch 2, a pulley 7, a rope 4, a first camera, a second camera 5 and a floating ball 3, wherein the motor 1 and the electromagnetic clutch 2 are respectively connected with the controller 6, the pulley 7 is arranged on a rotating shaft, the output end of the electromagnetic clutch 2 is connected with the rotating shaft, the rope 4 is wound on the pulley 7, and the free end of the rope 4 is fixedly connected with the floating ball 3;
the rope 4 is provided with scale marks, and the second camera 5 is arranged beside the rope 4;
the first camera and the second camera 5 are connected with the controller 6, the first camera is used for monitoring the condition in the storage bin 8, and the second camera 5 is used for monitoring scale marks on the rope 4; the controller 6 is connected with a display, and the display is used for displaying the video images of the first camera and the second camera 5;
during the installation, controller 6 and display setting are in the control chamber, and motor 1, electromagnetic clutch 2, pulley 7, rope 4, first camera and floater 3 set up in the feed bin 8 top, and floater 3 is placed in the feed bin 8 of the material that awaits measuring.
The working principle is as follows: after the working personnel start the first camera in the operating room, the condition in the storage bin 8 is observed by naked eyes, and whether the condition is abnormal or not is judged, so that the condition is only observed roughly. When wanting to know the material level in specific feed bin 8, just need judge through floater 3, if observe that floater 3 is buried by the material this moment, controller 6 control electromagnetic clutch 2 and motor 1 circular telegram, motor 1 rotates and drives electromagnetic clutch 2 and rotate, and then drive the axis of rotation and rotate, then drive pulley 7 and rotate, pulley 7 drives rope 4 displacement upwards, when floater 3 floats when the upper surface of material, controller 6 control motor 1 stall, observe the scale mark on the rope 4 through second camera 5 this moment, just can directly judge the position data of material level.
The electromagnetic clutch 2 plays a role of clutch in rotation, if the motor 1 rotates in a one-way mode all the time, the electromagnetic clutch 2 is powered on, the driving wheel and the driven wheel are attracted, the rope is coiled, the floating ball 3 is hung upwards, the clutch is powered off, the driving wheel and the driven wheel are separated without suction, the floating ball 3 falls down by gravity, the motor 1 rotates, the clutch is powered on and off intermittently, the floating ball 3 continuously rises and falls down, the circulation is repeated, and the floating ball is always positioned on the charge level.
Preferably, the scale mark is from last to lower grow in proper order, and when no material in feed bin 8, floater 3 is in 8 bottoms of feed bin, and 4 scale marks of rope that the camera was aimed at are zero scale mark. For example, use 8 bottoms in feed bin as zero basic positions, when floater 3 was in 2m position, the numerical value that the camera was seen was just in time 2m, need not convert, and the staff is in just can know the material level condition in the control chamber.
Specifically, the floating ball 3 is a hollow steel ball, and the rope 4 is a steel wire rope. Long service life and difficult damage.
Specifically, the pulley 7 is connected with a rotating shaft key, and the rotating shaft rotates to drive the pulley 7 to rotate.
Specifically, motor 1 passes through the installing support to be fixed by feed bin 8, and second camera 5 is located pulley 7 below and fixes on the installing support, can observe the scale mark on rope 4 through second camera 5, and then knows the material level in feed bin 8.
Preferably, the second camera 5 is connected with the mounting bracket through a connecting rod, and shares the mounting bracket with the motor 1, so that the material is saved.
Example 2
On the basis of the embodiment 1, optimization is performed, as shown in fig. 2, a distance measuring sensor 9 is installed on the floating ball 3, a light blocking plate 10 is installed above the floating ball 3, the light blocking plate 10 is arranged right above the distance measuring sensor 9, the distance measuring sensor 9 is connected with the controller 6, and the controller 6 is connected with an alarm; the controller 6 is internally stored with a preset value, the distance measuring sensor 9 transmits the measured distance between the floating ball 3 and the light blocking plate 10 to the controller 6 in real time, the actual distance between the current floating ball 3 and the light blocking plate 10 is displayed on the display screen, and when the preset value is reached, the controller 6 controls the alarm to give an alarm. When the actual distance between the floating ball 3 and the light blocking plate 10 is smaller than the preset value, the fact that the materials in the storage bin 8 are few is indicated, and the alarm gives an alarm to remind workers in time.
Specifically, the light blocking plate 10 is connected with the mounting bracket through a connecting piece, and the alarm adopts an audible and visual alarm and reminds through sound and a flash lamp.
Claims (10)
1. A material level detector is characterized by comprising a controller (6), a display, a motor (1), an electromagnetic clutch (2), a pulley (7), a rope (4), a first camera, a second camera (5) and a floating ball (3), wherein the motor (1) and the electromagnetic clutch (2) are respectively connected with the controller (6), the pulley (7) is installed on a rotating shaft, the output end of the electromagnetic clutch (2) is connected with the rotating shaft, the rope (4) is wound on the pulley (7), and the free end of the rope (4) is fixedly connected with the floating ball (3);
the rope (4) is provided with scale marks, and the second camera (5) is arranged beside the rope (4);
the first camera and the second camera (5) are connected with the controller (6), the first camera is used for monitoring the condition in the storage bin (8), and the second camera (5) is used for monitoring scale marks on the rope (4); the controller (6) is connected with a display, and the display is used for displaying video images of the first camera and the second camera (5);
during the installation, controller (6) and display setting are in the control chamber, and motor (1), electromagnetic clutch (2), pulley (7), rope (4), first camera and floater (3) set up in feed bin (8) top, and floater (3) are placed in feed bin (8) of the material that awaits measuring.
2. The level detector according to claim 1, wherein the scale marks become larger from top to bottom, when no material is in the bin (8), the floating ball (3) is at the bottom of the bin (8), and the scale mark of the rope (4) aligned with the camera is a zero scale mark.
3. A level gauge according to claim 1, characterized in that the floating ball (3) is a hollow steel ball.
4. A level gauge according to claim 1, characterized in that the rope (4) is a steel wire rope.
5. A level gauge according to claim 1, characterized in that the pulley (7) is keyed to the rotation axis.
6. A level detector according to claim 1, characterized in that the motor (1) is fixed by the silo (8) by means of a mounting bracket, and the second camera (5) is located below the pulley (7) and fixed to the mounting bracket.
7. A level meter according to claim 6, wherein the second camera (5) is connected to the mounting bracket by means of a connecting rod.
8. The level detector according to any one of claims 1 to 7, wherein a distance measuring sensor (9) is mounted on the floating ball (3), a light blocking plate (10) is mounted above the floating ball (3), the light blocking plate (10) is arranged right above the distance measuring sensor (9), the distance measuring sensor (9) is connected with the controller (6), and the controller (6) is connected with an alarm.
9. The level detector according to claim 8, wherein the light blocking plate (10) is connected to the mounting bracket through a connecting piece, and the alarm is an audible and visual alarm.
10. The use method of the level gauge as claimed in any one of claims 1 to 9, comprising the steps of:
s1, starting the first camera through the controller (6), making preliminary judgment on the condition in the bin (8), and controlling the electromagnetic clutch (2) and the motor (1) to be electrified through the controller (6) and starting the second camera (5) when the situation that the material in the bin (8) is less is found;
s2, the motor (1) rotates to drive the electromagnetic clutch (2) to rotate, so that the rotating shaft is driven to rotate, the rotating shaft drives the pulley (7) to rotate, the pulley (7) drives the rope (4) to move upwards, and the controller (6) controls the floating ball to float on the upper surface of the material through the power-on and power-off control of the electromagnetic clutch (2);
and S3, observing scale marks on the rope (4) through a second camera (5), and reading position data of the material level on the display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011264487.6A CN112304394A (en) | 2020-11-12 | 2020-11-12 | Material level detector and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011264487.6A CN112304394A (en) | 2020-11-12 | 2020-11-12 | Material level detector and use method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112304394A true CN112304394A (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011264487.6A Pending CN112304394A (en) | 2020-11-12 | 2020-11-12 | Material level detector and use method thereof |
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| CN (1) | CN112304394A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113926521A (en) * | 2021-09-17 | 2022-01-14 | 山东莱钢永锋钢铁有限公司 | Jaw crushing splitter with observation mirror |
-
2020
- 2020-11-12 CN CN202011264487.6A patent/CN112304394A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113926521A (en) * | 2021-09-17 | 2022-01-14 | 山东莱钢永锋钢铁有限公司 | Jaw crushing splitter with observation mirror |
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