CN115410345B - Waste monitoring and early warning system and method - Google Patents
Waste monitoring and early warning system and method Download PDFInfo
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- CN115410345B CN115410345B CN202210967721.4A CN202210967721A CN115410345B CN 115410345 B CN115410345 B CN 115410345B CN 202210967721 A CN202210967721 A CN 202210967721A CN 115410345 B CN115410345 B CN 115410345B
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- 239000002699 waste material Substances 0.000 title claims abstract description 516
- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000012544 monitoring process Methods 0.000 title claims abstract description 35
- 238000005303 weighing Methods 0.000 claims abstract description 110
- 230000008569 process Effects 0.000 claims abstract description 29
- 230000008859 change Effects 0.000 claims abstract description 19
- 230000005587 bubbling Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 description 8
- 238000003912 environmental pollution Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 238000004064 recycling Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
- G08B5/38—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources using flashing light
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- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Electromagnetism (AREA)
- Refuse Collection And Transfer (AREA)
- Control Of Conveyors (AREA)
Abstract
The invention discloses a waste monitoring and early warning system and a waste monitoring and early warning method, wherein an upper computer acquires a total waste weight table from a system for storing waste items; the staff for transporting the waste material uploads the waste material information of the transportation to the upper computer before transporting the waste material to the conveyor belt; the upper computer locates specific waste weight from the total waste weight table according to the uploaded waste information; the infrared sensor senses that waste materials pass through the front of the conveyor belt, and the control assembly controls the conveyor belt to stop operating through a motor; whether the waste is missed in the transportation process is judged by the weighing piece and the control component, if the waste is not conveyed to the corresponding waste pool by the conveyor belt, the control component judges the change condition of the waste in the waste pool through the first pressure sensor and controls the early warning component to make corresponding early warning according to the change condition of the waste.
Description
Technical Field
The invention relates to the technical field of waste storage monitoring, in particular to a waste monitoring and early warning system and method.
Background
Along with the high-speed development of economy, the production activities of various industries tend to be frequent, various wastes are continuously accumulated and increased in the process, and meanwhile, the problems of environmental pollution and natural resource shortage in China are gradually highlighted.
In other activities such as industrial production, a large amount of waste materials are generated, including hazardous waste that may pollute the environment, recyclable secondary recovery waste, and some waste metal materials.
In the process of storing the waste, the waste is stolen because of large storage quantity and certain value; in the process of storing the waste, the problem that the waste is not treated in time to cause serious pollution to the environment of a waste storage site for a long time, and the waste is piled up for a long time, so that the waste treatment efficiency is low, and the recycling of resources is not facilitated; in the waste transportation process, due to large batches of waste, the waste cannot be ensured to be missed in the transportation process, and the environment is polluted.
At present, a single monitoring is adopted for identification observation, manual resolution is completely relied on, special waste early warning equipment and a scheme are lacked, waste is reduced in the waste conveying or storing process, and the problems of environmental pollution, resource recycling inconvenience and the like are possibly caused.
Disclosure of Invention
The invention aims to provide a waste monitoring and early warning system and a waste monitoring and early warning method, which solve the problem that waste reduction cannot be found in time in the waste conveying or storing process.
The invention is realized by the following technical scheme:
a waste monitoring and early warning system, comprising:
the conveying belt is a multi-channel conveying belt, and a weighing piece is arranged at the inlet of the conveying belt;
a connecting piece;
the infrared sensor is fixed above the entrance of the conveyor belt through a connecting piece;
a motor electrically connected to the conveyor belt;
the camera is fixed above the entrance of the conveyor belt through a connecting piece;
the control assembly is electrically connected with the infrared sensor, the motor, the weighing piece and the camera respectively;
a waste reservoir connected to the output of the conveyor;
the first pressure sensor is connected to the bottom of the waste pool and is electrically connected with the control assembly;
and the early warning assembly is electrically connected with the control assembly.
In the scheme, an infrared sensor is fixed on the top of the transmission belt through a connecting piece, when the infrared sensor detects that waste is moved to the entrance of the transmission belt at the entrance of the transmission belt, the infrared sensor is electrically connected with a control component, the infrared sensor sends a signal to the control component, after the control component receives the signal, the control component controls the camera to take a picture, and the picture is reserved as a comparison picture, so that if the waste is lost, the time for the waste is lost can be conveniently positioned approximately by the picture taken by the camera; when the infrared sensor detects that the waste material at the entrance of the conveyor belt is moved to the entrance of the conveyor belt, the control assembly controls the motor to stop working, the motor is connected with the conveyor belt in a charged mode, the conveyor belt stops conveying, and at the moment, the weighing piece fixed at the entrance of the conveyor belt is used for detecting the weight of the waste material.
The control component retrieves a total waste weight table from a system for storing waste items, wherein the system for storing waste items can be a total table of all waste materials and waste material weights registered in a Project Management System (PMS), positions a specific waste material weight of the transportation from the total waste weight table, compares the specific waste material weight detected by the weighing component with the waste material weight detected by the weighing component, and deduces that the waste material is missed in the transportation process if the detected waste material weight of the weighing component is less than the specific waste material weight of the transportation positioned from the total waste material weight table;
if the weight of the waste detected by the weighing member is found to be approximately equal to the specific weight of the waste from which this transport is located from the total waste weight scale, it is inferred that the waste was not missing during transport.
The conveying belt is a multi-channel conveying belt with single inlet and multiple outlets, each outlet of the conveying belt is in butt joint with a waste pool, the pressure sensor is electrically connected with a control component, if the weight of waste detected by the weighing piece is equal to the specific weight of the waste transported from the total waste weight table, the control component controls the motor to start, the control component controls the conveying belt to carry out positioning and conveying, the bottom of each waste pool is connected with a first pressure sensor, the first pressure sensors are used for measuring the weight of the waste pool and the stored waste in the waste pool, the first pressure sensors are connected with the control component, the control component judges whether the waste is stolen or not in the storage process according to the weight change of the waste in the waste pool, the waste utilization efficiency is low or the waste is not processed timely, and the control component performs classified early warning and notification to related staff according to the judgment.
In summary, the weighing piece and the control component call the waste weighing table to judge whether the waste is missed in the transportation process; the control assembly and the first pressure sensor are utilized to monitor the waste, and timely and classified early warning is carried out on the condition that the waste is stolen, not timely processed or low in utilization efficiency and the like, so that the problem that staff cannot timely find out when the waste is reduced, low in utilization efficiency or not timely processed in the waste conveying or storing process is solved.
In some embodiments, a waste monitoring and early warning system, the control assembly includes an upper computer, a first lower computer, and a second lower computer;
the upper computer is electrically connected with the camera;
the upper computer is electrically connected with the first lower computer, the first lower computer is electrically connected with the weighing piece and the first pressure sensor respectively, and the first lower computer is used for transmitting signals acquired from the weighing piece and the first pressure sensor to the upper computer;
the upper computer is electrically connected with the second lower computer, the second lower computer is electrically connected with the motor and the infrared sensor, and the second lower computer is used for controlling the start and stop of the motor according to signals transmitted by the infrared sensor.
In this scheme, above-mentioned infrared sensor is connected with the host computer is electromechanical, and above-mentioned infrared sensor sends the signal to the host computer, and above-mentioned host computer received signal back, and the above-mentioned camera of host computer control is photographed, remains as the contrast photo, and simultaneously, above-mentioned host computer passes through second lower computer control motor stop work, and above-mentioned motor is connected with the conveyer belt, and above-mentioned conveyer belt stop work, and at this moment, utilizes the weighing piece that is fixed in conveyer belt entrance setting to detect waste material weight.
The upper computer acquires a total waste weight table from a system for storing waste items, positions the specific waste weight transported at the time from the total waste weight table, compares the waste weight transported at the time positioned from the total waste weight table with the waste weight detected by the weighing piece, and deduces that the waste is missed in the transportation process if the detected waste weight of the weighing piece is less than the waste weight transported at the time positioned from the total waste weight table;
if the weight of the waste detected by the upper computer detection weighing piece is equal to the weight of the waste transported at the time positioned from the total waste weight table, the fact that the waste is not missed in the transportation process is inferred. At this time, the upper computer is started by controlling the motor through the second lower computer, the second lower computer is positioned and transmitted through the motor control transmission belt, the first pressure sensor is connected with the first lower computer, the first lower computer converts the analog signal transmitted by the first pressure sensor into a digital signal and transmits the digital signal to the upper computer, and the upper computer judges whether the waste is stolen, the waste utilization efficiency is low or the waste is not treated in time according to the change of the weight of the waste in the waste pool, and the upper computer carries out classification and early warning according to the judgment; and simultaneously, the second lower computer is used for sending an early warning short message to inform related staff in time. The upper computer, the first lower computer and the second lower computer are matched with each other, so that the weight change condition of waste materials is monitored in real time, and early warning and notification work of abnormal conditions are timely carried out.
In some embodiments, a waste monitoring and early warning system is provided, wherein the top of the weighing piece is fixed with an anti-friction piece, the weighing piece is fixed at the bottom of the conveyor belt, and the weighing piece is abutted with the bottom of the conveyor belt through the anti-friction piece.
In this scheme, utilize above-mentioned weighing piece realization to judge whether the waste material appears missing on the way to the waste material transportation, be convenient for in time fix a position waste material missing position, avoid waste material to lose time overlength, in time stop the damage to the condition that probably causes environmental pollution.
The top of the weighing piece is connected with an anti-friction piece, and the anti-friction piece is used for avoiding abrasion of the weighing piece in the conveying process of the conveying belt. The friction prevention piece can be a silica gel soft cushion with a smooth top, and the conveyor belt can also be a silica gel conveyor belt with smooth top and smooth bottom, so that the normal conveying of the conveyor belt is not influenced while the friction force of a belt symmetrical weight piece on the conveyor belt is reduced.
The weighing piece is fixed at the bottom of the conveyor belt through the support at the bottom of the conveyor belt, and the weighing piece is abutted with the bottom of the conveyor belt through the friction-resistant piece, so that the weighing piece is ensured to accurately weigh the weight of the waste. The weighing piece can be a pressure sensor, a weight scale or other weighing components.
In some embodiments, a waste monitoring and early warning system, the second lower computer is a PLC.
In some embodiments, the waste monitoring and early warning system is a single-chip microcomputer.
In some embodiments, a waste monitoring and early warning system includes a first early warning member, a second early warning member, and a third early warning member;
the first early warning part is electrically connected with the upper computer;
the second early warning part is electrically connected with a second lower computer;
the third early warning part is electrically connected with the second lower computer.
In this scheme, carry out categorised early warning with different grade type first early warning spare, second early warning spare and third early warning spare, make things convenient for the staff to judge the condition that the waste pool appears, in time make the reply processing.
In some embodiments, a method for monitoring and pre-warning waste material, using a waste material monitoring and pre-warning system, comprises:
s1: the upper computer acquires a total waste weight table from a system for storing waste items;
s2: the staff for transporting the waste material uploads the waste material information of the transportation to the upper computer before transporting the waste material to the conveyor belt;
s3: the upper computer locates specific waste weight from the total waste weight table according to the uploaded waste information;
S4: the infrared sensor senses that waste materials pass through the front of the conveyor belt, and the control assembly controls the conveyor belt to stop operating through a motor;
s5: judging whether the waste is missed in the transportation process by using the weighing piece and the control component, and if not, performing S6;
s6: the conveyor belt conveys the waste to the corresponding waste pool and performs S7;
s7: the control component judges the waste material change condition in the waste material pool through the first pressure sensor and controls the early warning component to perform corresponding early warning according to the waste material change condition.
In the scheme, an upper computer acquires a total waste weight table from a system for storing waste items; the staff who carries the waste material carries the conveyer belt to the waste material, and there is the waste material to pass through above-mentioned infrared sensor response conveyer belt the place ahead, and above-mentioned second lower computer stops the operation through motor control conveyer belt, and above-mentioned weighing piece weighs the waste material to with waste material weight transmission upper computer.
The staff who carries the waste material conveys the mode of the two-dimensional code icon before to the conveyer belt with the waste material to the upper computer is uploaded to this time transport waste material kind and weight to the upper computer, and above-mentioned upper computer is through scanning waste material name and location specific waste material name and weight in the total waste material weight table, and after locking specific waste material name and weight, above-mentioned upper computer obtains specific waste material weight from total waste material weight table to compare with the waste material weight that the weighing piece detected, judge whether there is omission before the waste material is transmitted to the waste material pond. And if the weight of the approved and detected waste is consistent with the weight of the waste positioned in the total waste weight table, the second lower computer controls the conveyor belt to convey the waste to the corresponding waste pool, the first pressure sensor judges the change condition of the waste in the waste pool, and the early warning assembly is controlled to perform corresponding early warning according to the change condition of the waste.
In some embodiments, the step S5 includes:
a1: the weighing piece transmits the sensed weight of the waste to a first lower computer;
a2: the first lower computer converts the analog signal into a digital signal and transmits the digital signal to the upper computer;
a3: the upper computer takes the weight of the waste positioned from the total waste weight table as a standard, and compares the weight of the waste sensed by the weighing piece;
a4: if the positioned waste weight is inconsistent with the waste weight sensed by the weighing piece, executing A5; if the positioned waste weight is consistent with the waste weight sensed by the weighing piece, executing A6;
a5: the second lower computer controls the motor to stop running all the time;
a6: the second lower computer controls the motor to start to operate.
In this scheme, the aforesaid is weighed the piece and is uploaded to first lower computer with the waste material weight that measures, and the aforesaid first lower computer is with the analog signal of received waste material weight conversion digital signal to the upper computer, and the aforesaid upper computer is through obtaining total waste material weight table from the system of storing the waste material item, and regard the waste material weight that fixes a position in the total waste material weight table as the standard, approves with the waste material weight that the aforesaid weighing piece response:
If the weight of the waste positioned from the total waste weight table is inconsistent with the weight of the waste sensed by the weighing piece, the omission of the waste in the transportation process is indicated, the second lower computer control motor stops running all the time, the waste is recovered in time, so that the pollution and other problems caused by the waste are avoided, until the recovered waste is also recovered on the weighing piece, and at the moment, if the weight of the waste positioned from the total waste weight table is consistent with the weight of the waste sensed by the weighing piece, the second lower computer control motor starts running, and the waste is transmitted to the corresponding position.
If the weight of the waste positioned from the total waste weight table is consistent with the weight of the waste sensed by the weighing piece, the fact that the waste is not missed in the transportation process is indicated, and the second lower computer controls the motor to start to operate so as to transmit the waste to the corresponding position.
In some embodiments, the step S6 includes:
b1: the bottom of each waste pool is connected with a first pressure sensor, and the first pressure sensors transmit sensed analog signals to a first lower computer;
b2: the first lower computer converts the analog signal into a digital signal and transmits the digital signal to the upper computer;
B3: the upper computer is provided with a weight threshold;
b4: the upper computer sequentially judges whether the weight of the waste pool exceeds a weight threshold, and if the waste pool which does not exceed the weight threshold exists, B5 is executed;
b5: the second lower computer conveys the waste to the waste pool which does not exceed the weight threshold value through controlling the motor fixed point.
In the scheme, the weighing piece uploads the measured weight of the waste to a first lower computer, the first lower computer converts the received analog signal of the weight of the waste into a digital signal and transmits the digital signal to an upper computer, and the upper computer is provided with a weight threshold value; and the upper computer sequentially judges whether the weight of the waste pool exceeds a weight threshold according to a fixed sequence.
In some embodiments, the step S7 includes
C1: if the weight of all the waste pools exceeds the weight threshold, the second lower computer controls a second early warning part to give an alarm;
c2: the upper computer is provided with a first threshold value, a second threshold value, a third threshold value and a fourth threshold value;
and C3: the upper computer obtains waste pool weight data from the first pressure sensor, arranges the waste pool weight data from new to old according to an bubbling method, subtracts the secondary new data from the latest data to make a difference, and executes C4 if the difference is larger than a second threshold; if the difference is smaller than the first threshold, executing C5; if the difference value is larger than the third threshold value and smaller than the fourth threshold value, executing C6;
And C4: the second lower computer controls the second early warning part to give an alarm, and the second lower computer sends early warning information;
c5: the upper computer controls the first early warning part to give an alarm, and the upper computer controls the second lower computer to send early warning information;
c6: the second lower computer controls the third early warning part to give an alarm, and the second lower computer sends early warning information.
In the scheme, if the weight of all the waste pools exceeds a weight threshold, the waste pools are not capable of receiving waste, the lower computer controls the second early warning part to give an alarm, and nearby staff is informed of timely processing the waste;
the upper computer is provided with a first threshold value, a second threshold value, a third threshold value and a fourth threshold value, the first threshold value, the second threshold value, the third threshold value and the fourth threshold value are ordered from small to large, and the first threshold value is a negative number; the upper computer obtains waste pool weight data from the first pressure sensor, and arranges the waste pool weight data from new to old according to an bubbling method, and subtracts the secondary new data from the latest data to make a difference:
if the difference value is larger than a second threshold value, indicating that the weight of the waste is large, and the waste is required to be recovered, controlling a second early warning part to give an alarm by a second lower computer, prompting that the waste is required to be recovered, and simultaneously setting an alarm short message by the second lower computer, and sending the alarm short message by the second lower computer;
If the difference value is smaller than a first threshold value, the situation that the waste is greatly reduced in weight and possibly stolen is indicated, the upper computer controls the first early warning part to give an alarm, and the upper computer controls the second lower computer to send an early warning short message, so that more waste is prevented from being stolen;
if the difference value is larger than the third threshold value and smaller than the fourth threshold value, the second lower computer controls the third early warning part to give an alarm to indicate that the weight of the waste is slow, the waste recycling rate is low, and meanwhile, the second lower computer sends early warning information.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the infrared sensor is fixed on the top of the transmission belt through a connecting piece, when the infrared sensor detects that waste is moved to the entrance of the transmission belt at the entrance of the transmission belt, the infrared sensor is electrically connected with the control assembly, the infrared sensor sends a signal to the control assembly, after the control assembly receives the signal, the control assembly controls the camera to take a picture, and the picture is left as a comparison picture, so that if the waste is lost, the time for the waste is conveniently and approximately positioned by the picture taken by the camera; when the infrared sensor detects that the waste material at the entrance of the conveyor belt is moved to the entrance of the conveyor belt, the control assembly controls the motor to stop working, the motor is connected with the conveyor belt in a charged mode, the conveyor belt stops conveying, and at the moment, the weighing piece fixed at the entrance of the conveyor belt is used for detecting the weight of the waste material.
The control component acquires a total waste weight table from a system for storing waste items, positions specific waste weight from the total waste weight table, compares the waste weight positioned from the total waste weight table with the waste weight detected by the weighing piece, and deduces that the waste is missed in the transportation process if the waste weight detected by the weighing piece is found to be smaller than the waste weight positioned from the total waste weight table;
if the weight of the waste detected by the weighing cell is found to be equal to the weight of the waste located from the total waste weight scale, it is inferred that the waste is not missing during transport.
The conveying belt is a multi-channel conveying belt with single inlet and multiple outlets, each outlet of the conveying belt is in butt joint with a waste pool, the pressure sensor is electrically connected with a control component, if the weight of waste detected by the weighing piece is equal to the weight of the waste positioned from the total waste weight meter, the control component controls the motor to start, the control component controls the conveying belt to position and convey, the bottom of each waste pool is connected with a first pressure sensor, the first pressure sensors are used for measuring the weight of the waste pool and the waste stored in the waste pool, the first pressure sensors are connected with the control component, the control component judges whether the waste is stolen or not according to the weight change of the waste in the waste pool, the waste utilization efficiency is low or the waste is not treated in time, and the control component performs classified early warning and notification to related staff according to the judgment.
In the waste transportation or storage process, the waste is problematic and timely notified to staff and timely early-warned, the utilization rate of the waste is greatly improved, the waste is timely found to be reduced, and the time for locating the position of the waste can be greatly shortened through classification early-warned, so that the waste is timely recovered, and the problems of long-time omission or theft of the waste, environmental pollution and the like, which are possibly caused, are avoided.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are needed in the examples will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and that other related drawings may be obtained from these drawings without inventive effort for a person skilled in the art. In the drawings:
FIG. 1 is a perspective view of a waste monitoring and early warning system according to embodiment 1;
fig. 2 is a perspective view of a specific pre-warning device externally connected to the waste monitoring pre-warning system provided in embodiment 1;
FIG. 3 is a detailed view of the inside of a conveyor belt of the waste monitoring and early warning system according to embodiment 1;
FIG. 4 is an enlarged detail A-A of the waste monitoring and early warning system according to embodiment 1;
FIG. 5 is a flow chart of a method for monitoring and pre-warning waste according to embodiment 2;
FIG. 6 is a flow chart providing example 2 for determining whether there is a omission of scrap during transportation;
FIG. 7 is a flow chart of example 2 providing a conveyor belt to transport waste to a corresponding waste pool;
fig. 8 is a flowchart for providing a control module to control an early warning module to make an early warning according to embodiment 2.
In the drawings, the reference numerals and corresponding part names:
the device comprises a 1-conveyor belt, 11-weighing parts, 2-connecting parts, 3-infrared sensors, 4-motors, 5-cameras, 6-control components, 61-upper computers, 62-first lower computers, 63-second lower computers, 7-waste pools, 8-first pressure sensors, 9-early warning components, 91-first early warning parts, 92-second early warning parts, 93-third early warning parts and 10-friction prevention parts.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
Example 1
As shown in fig. 1-4, there is provided a waste monitoring and early warning system, comprising:
a conveyor belt 1, wherein the conveyor belt 1 is a multi-channel conveyor belt 1, and a weighing piece 11 is arranged at the inlet of the conveyor belt 1;
A connecting piece 2;
an infrared sensor 3, the infrared sensor 3 is fixed above the entrance of the conveyor belt 1 through a connecting piece 2;
a motor 4, the motor 4 being electrically connected to the conveyor belt 1;
the camera 5 is fixed above the inlet of the conveyor belt 1 through a connecting piece 2;
the control assembly 6 is electrically connected with the infrared sensor 3, the motor 4, the weighing piece 11 and the camera 5 respectively;
a waste reservoir 7, the waste reservoir 7 being connected at the output of the conveyor 1;
a first pressure sensor 8, the first pressure sensor 8 is connected to the bottom of the waste tank 7, and the first pressure sensor 8 is electrically connected with the control assembly 6;
and the early warning assembly 9 is electrically connected with the control assembly 6.
In a specific embodiment, the driving belt is fixed with the infrared sensor 3 at the top thereof through the connecting piece 2, when the infrared sensor 3 detects that the waste material at the inlet of the driving belt 1 is moved to the inlet of the driving belt 1, the misjudgment of the infrared sensor 3 is prevented, the invisible coating is coated on the driving belt 1, the invisible coating can effectively absorb infrared light, and the misjudgment of the infrared sensor 3 is prevented.
The infrared sensor 3 is electrically connected with the control component 6, the infrared sensor 3 sends a signal to the control component 6, after the control component 6 receives the signal, the control component 6 controls the camera 5 to take a picture, and the picture is reserved as a comparison picture, so that if the waste is lost, the time for the waste to be lost can be positioned by the picture taken by the camera 5; when the infrared sensor 3 detects that the waste is moved to the entrance of the conveyor belt 1 at the entrance of the conveyor belt 1, the control assembly 6 controls the motor 4 to stop working, the motor 4 is electrically connected with the conveyor belt 1, the conveyor belt 1 stops conveying, and at this time, the weight of the waste is detected by the weighing piece 11 fixed at the entrance of the conveyor belt 1.
The control component 6 acquires a total waste weight table from the system for storing waste items, the upper computer locates specific waste weight from the total waste weight table, compares the waste weight located in the total waste weight table with the waste weight detected by the weighing piece 11, and deduces that the waste is missed in the transportation process if the waste weight detected by the weighing piece 11 is found to be smaller than the waste weight located in the total waste weight table;
if the weight of the waste detected by the weighing piece 11 is found to be equal to the weight of the waste located from the total waste weight scale, it is inferred that the waste is not missing during transportation.
The conveyor belt 1 is a multi-channel conveyor belt 1 with single inlet and multiple outlets, each outlet of the conveyor belt 1 is abutted with a waste tank 7, the first pressure sensor 8 is electrically connected with the control assembly 6, if the weight of waste detected by the weighing piece 11 is equal to the weight of the waste, the control assembly 6 controls the motor 4 to start, the control assembly 6 controls the conveyor belt to carry out positioning and conveying, the bottom of each waste tank 7 is connected with the first pressure sensor 8, the first pressure sensor 8 is used for measuring the weight of the waste tank 7 and the waste stored in the waste tank 7, the first pressure sensor 8 is connected with the control assembly 6, the control assembly 6 judges whether the waste is stolen or not according to the weight change of the waste in the waste tank 7, the waste utilization efficiency is low or the waste is not treated in time, and the like, and the control assembly 6 performs classification early warning and informs relevant staff according to the judgment.
The control unit 6 includes an upper computer 61, a first lower computer 62 and a second lower computer 63;
the upper computer 61 is electrically connected with the camera 5;
the upper computer 61 is electrically connected to a first lower computer 62, the first lower computer 62 is electrically connected to the weighing cell 11 and the first pressure sensor 8, and the first lower computer 62 is configured to transmit signals acquired from the weighing cell 11 and the first pressure sensor 8 to the upper computer 61;
the upper computer 61 is electrically connected with a second lower computer 63, the second lower computer 63 is electrically connected with the motor 4 and the infrared sensor 3, and the second lower computer 63 is used for controlling the start and stop of the motor 4 according to signals transmitted by the infrared sensor 3.
In a specific embodiment, the infrared sensor 3 is electrically connected to the upper computer 61, the upper computer 61 may be a computer, the infrared sensor 3 sends a signal to the upper computer 61, the upper computer 61 controls the camera 5 to take a picture after receiving the signal, and the upper computer 61 controls the motor 4 to stop working through the second lower computer 63, the motor 4 is electrically connected to the conveyor belt 1, and the conveyor belt 1 stops working, at this time, the weight of the waste is detected by the weighing member 11 fixed at the entrance of the conveyor belt 1.
The upper computer 61 acquires a total waste weight table from the system for storing waste items, positions a specific waste weight from the total waste weight table, compares the waste weight positioned from the total waste weight table with the waste weight detected by the weighing piece 11, and deduces that the waste is missing in the transportation process if the waste weight detected by the weighing piece 11 is found to be smaller than the waste weight positioned from the total waste weight table;
if the upper computer 61 detects that the weight of the scrap detected by the weighing piece 11 is equal to the weight of the scrap located from the total scrap weight table, it is inferred that the scrap is not missing in transit. At this time, the upper computer 61 controls the motor 4 to start through the second lower computer 63, the second lower computer 63 controls the driving belt to position and transmit through the motor 4, the first pressure sensor 8 is connected with the first lower computer 62, the first lower computer 62 converts the analog signal received from the first pressure sensor 8 into a digital signal and transmits the digital signal to the upper computer 61, the upper computer 61 judges whether the waste is stolen, the waste utilization efficiency is low or the waste is not treated in time according to the change of the weight of the waste in the waste pool 7, and the upper computer 61 performs classification and early warning according to the judgment; at the same time, the second lower computer 63 notifies the relevant staff in time. By means of the mutual coordination between the upper computer 61 and the first and second lower computers 62 and 63, the weight change condition of the waste is monitored in real time, and early warning and notification work of abnormal conditions are timely carried out.
The top of the weighing piece 11 is fixed with an anti-friction piece 10, the weighing piece 11 is fixed at the bottom of the conveyor belt 1, and the weighing piece 11 is abutted with the bottom of the conveyor belt 1 through the anti-friction piece 10.
In a specific embodiment, the weighing piece 11 is utilized to judge whether the waste is missed during the transportation of the waste, so that the missing position of the waste is conveniently and timely positioned, the waste is prevented from being lost for too long, and the situation of possibly causing environmental pollution is prevented from being damaged in time.
The top of the weighing piece 11 is connected with an anti-friction piece 10, and the anti-friction piece 10 is used for avoiding abrasion of the weighing piece 11 during the conveying process of the conveyor belt 1. The bottom of the anti-friction member 10 is connected with the top of the weighing member 11, and the top of the anti-friction member 10 is smooth, so that the friction force between the conveyor belt 1 and the weighing member 11 is reduced.
The weighing piece 11 is fixed at the bottom of the conveyor belt 1 through a bracket at the bottom of the conveyor belt 1, and the weighing piece 11 is abutted with the bottom of the conveyor belt 1 through the anti-friction piece 10, so that the weighing piece 11 can accurately weigh the waste. The weighing member 11 may be a pressure sensor, a weight scale or other weighing means.
The second lower computer 63 is a PLC, and the PLC is connected to a wireless communication product to realize remote alarm, and only needs to make basic settings in the PLC module, and does not need to download the PLC program again.
The first lower computer 62 is a single-chip microcomputer, the single-chip microcomputer may be an STM32F103, and the STM32F103 has a 12-bit a/D converter.
Example 2
As shown in fig. 4-8, embodiment 2 provides a waste monitoring and early warning method based on embodiment 1, which includes:
s1: the upper computer 61 obtains a total waste weight table from a system for storing waste items;
s2: a worker who carries the scrap, before carrying the scrap to the conveyor belt 1, uploads the scrap information of the transportation to the host computer 61;
s3: the upper computer 61 locates a specific scrap weight from the total scrap weight table according to the uploaded scrap information;
s4: the infrared sensor 3 senses that waste materials pass in front of the conveyor belt 1, and the control assembly 6 controls the conveyor belt 1 to stop operating through the motor 4;
s5: judging whether the waste is missed in the transportation process by using the weighing piece 11 and the control component 6, and if not, performing S6;
s6: the conveyor belt 1 conveys the waste to the corresponding waste pool 7, and performs S7;
s7: the control component 6 judges the change condition of the waste in the waste pool 7 through the first pressure sensor 8, and controls the early warning component 9 to perform corresponding early warning according to the change condition of the waste.
In a specific embodiment, the upper computer 61 obtains the total waste weight table from the system for storing waste items; the worker who carries the waste to the conveyor belt 1, the infrared sensor 3 senses that the waste passes in front of the conveyor belt 1, the second lower computer 63 controls the conveyor belt 1 to stop operating through the motor 4, and the weighing part 11 weighs the waste and transmits the weight of the waste to the upper computer 61.
The staff who carries the waste material carries to the conveyer belt 1 before the scanning connect the two-dimensional code icon on above-mentioned connecting piece 2 to with this time carry waste material name and weight upload to host computer 61, above-mentioned host computer 61 is through scanning waste material name location total waste material name and weight in the waste material weight table, after locking specific waste material name and weight, above-mentioned host computer 61 obtains specific waste material weight from total waste material weight table, and compares with the waste material weight that weighing piece 11 detected, judge whether there is omission before the waste material is transmitted to the waste material pond. If the weight of the approved waste is consistent with the specific weight of the waste obtained from the total waste weight table, the second lower computer 63 controls the conveyor belt 1 to convey the waste to the corresponding waste pool, the first pressure sensor 8 determines the change condition of the waste in the waste pool, and controls the pre-warning assembly to perform corresponding pre-warning according to the change condition of the waste.
The step S5 includes:
a1: the weighing unit 11 transmits the sensed weight of the waste to the first lower computer 62;
a2: the first lower computer 62 converts the analog signal into a digital signal and transmits the digital signal to the upper computer 61;
a3: the upper computer 61 compares the waste weight sensed by the weighing part 11 with the waste weight positioned from the total waste weight table as a standard;
a4: if the positioned scrap weight is inconsistent with the scrap weight sensed by the weighing piece 11, executing A5; if the positioned scrap weight is consistent with the scrap weight sensed by the weighing piece 11, executing A6;
a5: the second lower computer 63 controls the motor 4 to stop running all the time;
a6: the second lower computer 63 controls the motor 4 to start operating.
In a specific embodiment, the weighing unit 11 uploads the measured weight of the waste to the first lower computer 62, the first lower computer 62 converts the received analog signal of the weight of the waste into a digital signal and transmits the digital signal to the upper computer 61, and the upper computer 61 obtains a total weight table from the system for storing the waste items, and approves the weight of the waste sensed by the weighing unit 11 based on the weight of the waste located in the total weight table: if the weight of the waste positioned from the total waste weight table is inconsistent with the weight of the waste sensed by the weighing piece 11, the second lower computer 63 controls the motor 4 to stop running all the time and to timely recover the waste, so as to avoid the pollution of the waste to the environment, and the like, until the recovered waste is also fed back to the weighing piece 11, at the moment, the weight of the waste positioned from the total waste weight table is consistent with the weight of the waste sensed by the weighing piece 11, and the second lower computer 63 controls the motor 4 to start running and transmits the waste to the corresponding position.
If the weight of the waste located from the total waste weight table is consistent with the weight of the waste sensed by the weighing member 11, which means that there is no omission of the waste during transportation, the second lower computer 63 controls the motor 4 to start to operate, and transfers the waste to the corresponding position.
The step S6 includes:
b1: the bottom of each waste pool 7 is connected with a first pressure sensor 8, and the first pressure sensor 8 transmits the sensed analog signals to a first lower computer 62;
b2: the first lower computer 62 converts the analog signal into a digital signal and transmits the digital signal to the upper computer 61;
b3: the upper computer 61 is provided with a weight threshold;
b4: the upper computer 61 sequentially judges whether the weight of the waste pool 7 exceeds a weight threshold, and if the waste pool 7 which does not exceed the weight threshold exists, the process of B5 is executed;
b5: the second lower computer 63 carries the waste material to the waste tank 7, which does not exceed the weight threshold, by controlling the motor 4 at fixed points.
In a specific embodiment, the weighing unit 11 uploads the measured weight of the waste to the first lower computer 62, the first lower computer 62 converts the received analog signal of the weight of the waste into a digital signal and transmits the digital signal to the upper computer 61, and the upper computer 61 is provided with a weight threshold; the upper computer 61 sequentially judges whether the weight of the waste pool 7 exceeds a weight threshold in a fixed order.
When the upper computer 61 detects the weight of the waste pool 7 by using the first pressure sensor 8 in the order from the back to the front in the case of the plurality of rows of the waste pool 7, the first pressure sensor 8 is mounted at the bottom of the waste pool 7, and the waste pool 7weight=waste pool 7weight+waste weight, so that the weight threshold is set in consideration of the dead weight of the waste pool 7 and the upper limit of the bearable weight in the waste pool 7 at the time of writing.
The weighing part 11 detects the weight of the first waste pool 7 set in sequence, the upper computer 61 compares the weight measured by the weighing part 11 with a weight threshold value, and if the weight measured by the weighing part 11 is smaller than the weight threshold value, the first waste pool 7 can also receive the waste, so the second lower computer 63 controls the conveyor belt 1 to convey the waste to the first waste pool 7;
if the weighing piece 11 measures that the first waste pool 7 and the weight of the waste are greater than the weight threshold, which means that the first waste pool 7 cannot receive the waste, the weighing piece 11 sequentially performs weight detection on the second waste pool 7, the upper computer 61 compares the weight measured by the weighing piece 11 with the weight threshold, if the weighing piece 11 measures that the weight of the second waste pool 7 and the weight of the waste are greater than the weight threshold, which means that the second waste pool 7 cannot receive the waste, the second lower computer 63 sequentially compares the weight threshold with the weight of the waste pool 7 until one waste pool 7 is less than the weight threshold, and the second lower computer 63 controls the conveyor belt 1 to convey the waste to the waste pool 7 with fixed point weight less than the weight threshold
If the upper computer 61 sequentially compares the weight of the waste pool 7 with the waste threshold, it finds that all the weight of the waste pool 7 is smaller than the weight threshold, which indicates that the waste reserve of the waste pool 7 has reached the upper limit.
The step S7 includes:
c1: if the weight of all the waste pools 7 exceeds the weight threshold, the second lower computer 63 controls the second pre-warning member 92 to give an alarm;
c2: the upper computer 61 is provided with a first threshold, a second threshold, a third threshold, and a fourth threshold;
and C3: the upper computer 61 obtains the weight data of the waste pool 7 from the first pressure sensor 8, arranges from new to old according to the bubbling method, subtracts the next new data from the latest data to make a difference, and if the difference is larger than a second threshold, executes C4; if the difference is smaller than the first threshold, executing C5; if the difference value is larger than the third threshold value and smaller than the fourth threshold value, executing C6;
and C4: the second lower computer 63 controls the second warning member 92 to warn, and the second lower computer 63 sends warning information;
c5: the upper computer 61 controls the first early warning part 91 to alarm, and the upper computer 61 controls the second lower computer 63 to send early warning information;
c6: the second lower computer 63 controls the third warning member 93 to warn, and the second lower computer 63 sends warning information.
In a specific embodiment, if the weight of all the waste pools 7 exceeds the weight threshold, which indicates that the waste pools 7 cannot receive waste, the lower computer controls the second warning member 92 to alarm, and informs nearby staff to process the waste in time;
the upper computer 61 is provided with a first threshold, a second threshold, a third threshold and a fourth threshold, the first threshold, the second threshold, the third threshold and the fourth threshold are arranged in a descending order, and the first threshold is a negative number; the upper computer 61 sums up the weight data of the waste pool 7 acquired from the first pressure sensor 8, the upper computer 61 arranges the acquired weight data of the waste pool 7 from new to old according to an bubbling method, and subtracts the next new data from the latest data to make a difference:
if the difference is greater than the second threshold, it indicates that the waste material weight is increased, and waste material recovery is needed, the second lower computer 63 controls the second warning member 92 to give an alarm, the second warning device includes a flash lamp, the flash lamp flashes red light to prompt that waste material recovery is needed, and meanwhile, the second lower computer 63 sets an alarm short message, and the second lower computer 63 sends a short message to a responsible person for waste material items to prompt timely treatment of waste material in the waste material tank 7.
If the difference is smaller than the first threshold, which indicates that the waste is heavy, the upper computer 61 controls the first pre-warning part 91 to give an alarm to prevent more waste from being stolen, the first pre-warning part 91 comprises a monitoring camera 5 and a flash lamp, the flash lamp flashes yellow, the monitoring camera 5 is started in time to monitor the waste pool 7, and meanwhile, the upper computer 61 controls the second lower computer 63 to send a short message to a related department to judge whether the waste is stolen in time.
If the difference is greater than the third threshold and smaller than the fourth threshold, the second lower computer 63 controls the third pre-warning member 93 to give an alarm, the third pre-warning device includes a flash lamp, the flash lamp flashes blue light to prompt that the waste is slowly increased in weight and the recycling rate of the waste is low, and meanwhile, the second lower computer 63 sends a short message to the material equipment and the branch pipe guide to supervise and recover the waste.
While the foregoing embodiments have been described in some detail for purposes of clarity of understanding, it will be appreciated that the invention is not limited to the details of construction and the embodiments described above, but is intended to cover various modifications, equivalents, improvements and changes within the spirit and principles of the invention.
Claims (8)
1. A waste monitoring and early warning system, comprising:
the conveying belt (1), the conveying belt (1) is a multi-channel conveying belt (1), and a weighing piece (11) is arranged at the inlet of the conveying belt (1);
a connecting piece (2);
the infrared sensor (3) is fixed above the inlet of the conveyor belt (1) through a connecting piece (2);
a motor (4), the motor (4) being electrically connected to the conveyor belt (1);
the camera (5) is fixed above the inlet of the conveyor belt (1) through the connecting piece (2);
the control assembly (6) is electrically connected with the infrared sensor (3), the motor (4), the weighing piece (11) and the camera (5) respectively;
a waste pool (7), the waste pool (7) is connected to the output port of the conveyor belt (1);
a first pressure sensor (8), wherein the first pressure sensor (8) is connected to the bottom of the waste tank (7), and the first pressure sensor (8) is electrically connected with the control assembly (6);
the early warning assembly (9), the early warning assembly (9) is connected with the control assembly (6) electrically; wherein,,
when the infrared sensor detects that the waste at the entrance of the conveyor belt is moved to the entrance of the conveyor belt, the infrared sensor sends a signal to the control component, and after the control component receives the signal, the control component controls the camera to take a picture and leave the picture as a comparison picture;
When the infrared sensor detects that the waste material at the entrance of the conveyor belt is moved to the entrance of the conveyor belt, the control assembly controls the motor to stop working, and the conveyor belt stops conveying;
the control assembly (6) comprises an upper computer (61);
the upper computer acquires a total waste weight table from a system for storing waste items, positions the specific waste weight transported at the time from the total waste weight table, compares the waste weight transported at the time positioned from the total waste weight table with the waste weight detected by the weighing piece, and deduces that the waste is missed in the transportation process if the detected waste weight of the weighing piece is less than the waste weight transported at the time positioned from the total waste weight table;
the upper computer is provided with a first threshold value, a second threshold value, a third threshold value and a fourth threshold value, the first threshold value, the second threshold value, the third threshold value and the fourth threshold value are ordered from small to large, and the first threshold value is a negative number; the upper computer (61) obtains weight data of the waste pool (7) from the first pressure sensor (8), arranges the waste pool from new to old according to an bubbling method, and subtracts the secondary new data from the latest data to obtain a difference value;
the early warning assembly (9) comprises a first early warning piece (91), a second early warning piece (92) and a third early warning piece (93);
The first early warning part (91) is electrically connected with the upper computer (61) and is used for controlling the first early warning part (91) to give an alarm by the upper computer (61) and controlling the second lower computer (63) to send early warning information when the difference value is smaller than a first threshold value;
the second early warning part (92) is electrically connected with the second lower computer (63) and is used for controlling the second early warning part (92) to give an alarm when the weight of all waste pools (7) exceeds a weight threshold value;
the third early warning part (93) is electrically connected with the second lower computer (63) and is used for controlling the third early warning part (93) to give an alarm when the difference value is larger than the third threshold value and smaller than the fourth threshold value, and the second lower computer (63) sends early warning information.
2. The waste monitoring and warning system according to claim 1, characterized in that the control assembly (6) further comprises a first lower computer (62) and a second lower computer (63);
the upper computer (61) is electrically connected with the camera (5);
the upper computer (61) is electrically connected with the first lower computer (62), the first lower computer (62) is electrically connected with the weighing piece (11) and the first pressure sensor (8) respectively, and the first lower computer (62) is used for transmitting signals acquired from the weighing piece (11) and the first pressure sensor (8) to the upper computer (61);
The upper computer (61) is electrically connected with the second lower computer (63), the second lower computer (63) is electrically connected with the motor (4) and the infrared sensor (3), and the second lower computer (63) is used for controlling the start and stop of the motor (4) according to signals transmitted by the infrared sensor (3).
3. The waste monitoring and early warning system according to claim 1, wherein an anti-friction member (10) is fixed at the top of the weighing member (11), the weighing member (11) is fixed at the bottom of the conveyor belt (1), and the weighing member (11) is abutted with the bottom of the conveyor belt (1) through the anti-friction member (10).
4. The waste monitoring and warning system according to claim 2, characterized in that the second lower computer (63) is a PLC.
5. The waste monitoring and early warning system according to claim 2, characterized in that the first lower computer (62) is a single chip microcomputer.
6. A waste monitoring and early warning method, characterized in that a waste monitoring and early warning system as claimed in any one of claims 1 to 5 is adopted, comprising:
s1: the upper computer (61) acquires a total waste weight table from a system for storing waste items;
s2: a worker who carries the waste uploads the waste information of the transportation to the upper computer (61) before carrying the waste to the conveyor belt (1);
S3: the upper computer (61) locates specific waste weight from the total waste weight table according to the uploaded waste information;
s4: the infrared sensor (3) senses that waste materials pass through the front of the conveyor belt (1), and the control assembly (6) controls the conveyor belt (1) to stop operating through the motor (4);
s5: judging whether the waste is missed in the transportation process by utilizing the weighing piece (11) and the control assembly (6), and if not, carrying out S6;
s6: the conveyor belt (1) conveys the waste to a corresponding waste pool (7) and performs S7;
s7: the control assembly (6) judges the change condition of the waste in the waste pool (7) through the first pressure sensor (8), and controls the early warning assembly (9) to make corresponding early warning according to the change condition of the waste;
when the infrared sensor detects that the waste at the entrance of the conveyor belt is moved to the entrance of the conveyor belt, the infrared sensor sends a signal to the control component, and after the control component receives the signal, the control component controls the camera to take a picture and leave the picture as a comparison picture;
when the infrared sensor detects that the waste material at the entrance of the conveyor belt is moved to the entrance of the conveyor belt, the control assembly controls the motor to stop working, and the conveyor belt stops conveying;
The upper computer acquires a total waste weight table from a system for storing waste items, positions the specific waste weight transported at the time from the total waste weight table, compares the waste weight transported at the time positioned from the total waste weight table with the waste weight detected by the weighing piece, and deduces that the waste is missed in the transportation process if the detected waste weight of the weighing piece is less than the waste weight transported at the time positioned from the total waste weight table;
the step S7 comprises the following steps:
c1: if the weight of all the waste pools (7) exceeds a weight threshold, the second lower computer (63) controls a second early warning part (92) to give an alarm;
c2: the upper computer (61) is provided with a first threshold value, a second threshold value, a third threshold value and a fourth threshold value;
and C3: the upper computer (61) obtains weight data of the waste pool (7) from the first pressure sensor (8), arranges the waste pool from new to old according to an bubbling method, subtracts the secondary new data from the latest data to make a difference, and executes C4 if the difference is larger than a second threshold; if the difference is smaller than the first threshold, executing C5; if the difference value is larger than the third threshold value and smaller than the fourth threshold value, executing C6;
and C4: the second lower computer (63) controls the second early warning part (92) to give an alarm, and the second lower computer (63) sends early warning information;
C5: the upper computer (61) controls the first early warning part (91) to give an alarm, and the upper computer (61) controls the second lower computer (63) to send early warning information;
c6: the second lower computer (63) controls the third early warning part (93) to give an alarm, and the second lower computer (63) sends early warning information.
7. The method for monitoring and early warning of waste according to claim 6, wherein the step S5 comprises:
a1: the weighing piece (11) transmits the sensed weight of the waste to the first lower computer (62);
a2: the first lower computer (62) converts the analog signal into a digital signal and transmits the digital signal to the upper computer (61);
a3: the upper computer (61) is used for comparing the waste weight sensed by the weighing piece (11) by taking the waste weight positioned from the total waste weight table as a standard;
a4: if the positioned waste weight is inconsistent with the waste weight sensed by the weighing piece (11), executing A5; if the positioned waste weight is consistent with the waste weight sensed by the weighing piece (11), executing A6;
a5: the second lower computer (63) controls the motor (4) to stop running all the time;
a6: the second lower computer (63) controls the motor (4) to start to operate.
8. The method for monitoring and early warning of waste according to claim 7, wherein the step S6 comprises:
B1: the bottom of each waste pool (7) is connected with a first pressure sensor (8), and the first pressure sensors (8) transmit sensed analog signals to a first lower computer (62);
b2: the first lower computer (62) converts the analog signal into a digital signal and transmits the digital signal to the upper computer (61);
b3: the upper computer (61) is provided with a weight threshold value;
b4: the upper computer (61) sequentially judges whether the weight of the waste pool (7) exceeds a weight threshold, and if the waste pool (7) which does not exceed the weight threshold exists, the B5 is executed;
b5: the second lower computer (63) conveys the waste to the waste pool (7) which does not exceed the weight threshold value through controlling the motor (4) to fix the point.
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