CN106682791A - Energy-saving high-efficiency garbage processing system - Google Patents
Energy-saving high-efficiency garbage processing system Download PDFInfo
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- CN106682791A CN106682791A CN201710042799.4A CN201710042799A CN106682791A CN 106682791 A CN106682791 A CN 106682791A CN 201710042799 A CN201710042799 A CN 201710042799A CN 106682791 A CN106682791 A CN 106682791A
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Abstract
The invention proposes an energy-saving high-efficiency garbage processing system, and the system comprises a garbage bin terminal, a garbage processing terminal, a garbage vehicle fault detection device, and a monitoring center. The monitoring center is in wireless communication connection with the garbage vehicle fault detection device, the garbage bin terminal and the garbage processing terminal. The garbage processing terminal is used for monitoring the quantity of garbage in a garbage bin, and transmits compressed data comprising a full signal and position information to the monitoring center when the quantity of garbage reaches or exceeds a preset value. The monitoring center carries out the processing of the compressed data, generates garbage carrying operation information and position information, selects a model of a garbage vehicle without any fault based on the information transmitted by the garbage vehicle fault detection device, and transmits the garbage carrying operation information and position information and the model of the garbage vehicle to the garbage processing terminal. The system can optimize the configuration of manpower resources and vehicle resources, and saves the cost.
Description
Technical field
The present invention relates to field of garbage disposal, and in particular to a kind of refuse disposal system of efficient energy-saving.
Background technology
The pattern of the environmental sanitation management in correlation technique is all more traditional, when the method for major part process rubbish is to fix daily
Between rubbish is collected by dumper to each refuse receptacle or garbage pool, but due to the letter of the amount of rubbish produced to each refuse receptacle
Breath grasps few, and some refuse receptacles also do not arrive acquisition time and just received full rubbish, otherwise some refuse receptacles are placed and also received not for one day
Full rubbish, can thus expend sanitationman's great effort and go patrol.
The content of the invention
For the problems referred to above, the present invention is intended to provide a kind of refuse disposal system of efficient energy-saving.
The purpose of the present invention employs the following technical solutions to realize：
It is former there is provided a kind of refuse disposal system of efficient energy-saving, including refuse receptacle terminal, garbage disposal terminal, dumper
Barrier detection means 4 and Surveillance center, the Surveillance center and dumper failure detector 4, refuse receptacle terminal, garbage disposal end
End wireless communication connection；The refuse receptacle terminal is used to monitor the quantity of refuse in refuse receptacle, when quantity of refuse reaches or beyond default
During value, the compressed data comprising the full signal of amount and positional information is sent to Surveillance center；The Surveillance center enters to compressed data
Row is processed, and generates rubbish shipping operation information and positional information, and the information sent based on dumper failure detector 4 is selected
The dumper model not broken down, and rubbish shipping operation information and positional information and the dumper model are sent to rubbish
Rubbish processing terminal.
Beneficial effects of the present invention are：Can be with automatic sensing quantity of refuse, the less point of quantity of refuse can reduce collection frequency,
Otherwise the larger point of quantity of refuse can increase collection frequency of refuse, and can carry out fault detect to dumper, it is determined that carrying out rubbish
The dumper model of rubbish process, makes human resourcess and vehicle resources configuration optimization, efficient energy-saving.
Description of the drawings
Using accompanying drawing, the invention will be further described, but the embodiment in accompanying drawing does not constitute any limit to the present invention
System, for one of ordinary skill in the art, on the premise of not paying creative work, can be being obtained according to the following drawings
Other accompanying drawings.
Fig. 1 is the structure connection diagram of the present invention；
Fig. 2 is the structure connection diagram of dumper failure detector of the present invention.
Reference：
Refuse receptacle terminal 1, garbage disposal terminal 2, Surveillance center 3, dumper failure detector 4, vibration signals collecting
Unit 11, signal de-noising unit 12, fault signature extraction unit 13, fault identification unit 14.
Specific embodiment
With the following Examples the invention will be further described.
Referring to Fig. 1, Fig. 2, a kind of refuse disposal system of efficient energy-saving of the present embodiment, including refuse receptacle terminal 1, rubbish
Processing terminal 2, dumper failure detector 4 and Surveillance center 3, the Surveillance center 3 and dumper failure detector 4,
Refuse receptacle terminal 1, the wireless communication connection of garbage disposal terminal 2；The refuse receptacle terminal 1 is used to monitor the rubbish in refuse receptacle
Amount, when quantity of refuse reaches or during beyond preset value, the compression number comprising the full signal of amount and positional information is sent to Surveillance center 3
According to；The Surveillance center 3 is processed compressed data, generates rubbish shipping operation information and positional information, and based on rubbish
The information that car failure detector 4 sends selects the dumper model that do not break down, and by rubbish shipping operation information and position
Confidence ceases and the dumper model is sent to garbage disposal terminal 2.
Preferably, the refuse receptacle terminal 1 includes the sensor unit being fixedly mounted on refuse receptacle staving, the sensor
Quantity of refuse of the unit in monitoring staving, when quantity of refuse reaches or during beyond preset value, the full signal of the sensor unit amount of sending.
Preferably, the refuse receptacle terminal 1 also includes the power subsystem being connected with sensor unit, and the power subsystem is used
In providing electric power support for sensor unit.
The above embodiment of the present invention can be with automatic sensing quantity of refuse, and the less point of quantity of refuse can reduce collection frequency, instead
The larger point of quantity of refuse can increase collection frequency of refuse, and fault detect can be carried out to dumper, it is determined that carrying out rubbish
The dumper model of process, makes human resourcess and vehicle resources configuration optimization, cost-effective.
Preferably, the dumper failure detector 4 includes the vibration signals collecting unit 11, signal de-noising being sequentially connected
Unit 12, fault signature extraction unit 13 and fault identification unit 14.
The vibration signals collecting unit 11, for using acceleration transducer collection dumper in normal state and respectively
Plant original vibration signal when running under malfunction；The signal de-noising unit 12 is used to carry out noise reduction to original vibration signal
Process；The fault signature extraction unit 13 is used to extract the fault characteristic information of the vibration signal after noise reduction；The failure is known
Other unit 14 is used to set up fault diagnosis model, and the fault diagnosis model is instructed using the fault characteristic information for extracting
Practice, Fault Identification is carried out to dumper so as to be based on the fault diagnosis model trained.
The signal de-noising unit 12 includes the preliminary noise reduction subelement of signal, two grades of noise reduction subelements of signal and signal final stage
Noise reduction subelement, the preliminary noise reduction subelement of the signal is used to be shaken to original using the adaptive analysis method of minimum entropy deconvolution
Dynamic signal carries out preliminary noise reduction；Two grades of noise reduction subelements of the signal are used for after the preliminary noise reduction subelement of signal is processed
Vibration signal carries out secondary noise reduction；The signal final stage noise reduction subelement is used for based on improved Empirical mode algorithm to letter
Vibration signal after number two grades of noise reductions carries out final stage noise reduction.
In the above-described embodiments, the original vibration signal to gathering carries out multiple noise reduction, can effectively eliminate noise pair
The impact of data, so as to be conducive to more accurately improving the precision that accident analysis is carried out to dumper.
Preferably, the fault characteristic information for extracting the vibration signal after noise reduction, specifically includes：(1) followed by second order
Ring auto-correlation function is demodulated analysis to the vibration signal after noise reduction, obtains second-order cyclic auto-correlation function；(2) to the second order
Cyclic Autocorrelation Function carries out time domain section, time domain slice signal is obtained, so as to extract the fault characteristic information of vibration signal.
Wherein, the adaptive analysis method of the utilization minimum entropy deconvolution carries out preliminary noise reduction to original vibration signal, including：(1)
The size of entropy is weighed using norm, and using it as object function, asks the maximum of object function, as optimal filter system
Number；(2) deconvolution computing is carried out to original vibration signal with the optimal filter coefficients, draws filter coefficient；(3) use
The filter coefficient design FIR filter for obtaining is filtered to original vibration historical signal.
This preferred embodiment can effectively reduce the noise section in original vibration signal, improve the letter of original vibration signal
Make an uproar and compare, interference of the attenuating noise to the small-signal feature extraction after Empirical mode decomposition is further improved to dumper
The precision of fault signature extraction is carried out, accurate Fault Identification is carried out to dumper so as to be beneficial to improve, it is ensured that in dumper
Can timely be keeped in repair when breaking down, it is ensured that can transfer the dumper not broken down carries out garbage disposal, so as to
Guarantee the normal operation of refuse disposal system.
Preferably, two grades of noise reduction subelements of the signal are to the vibration signal after the preliminary noise reduction subelement of signal is processed
It is concrete to perform when carrying out secondary noise reduction：
(1) wavelet conversion is carried out to the vibration signal through the preliminary noise reduction subelement noise reduction of signal, is obtained on different frequency bands
Vibration signal, segment processing is carried out to the vibration signal on each frequency band using slip window setting technique, extract the time of vibration signal
Sequence Z and Y, and the wavelet coefficient of each segment signalWherein g=1,2,3 ..., it is the frequency band number of vibration signal, m=1,2,
3 ..., it is the sequence of wavelet coefficient, single order smoothing processing is carried out to the power spectral density of vibration signal, the vibration after being smoothed
Signal W (Z, Y)；
(2) threshold values of each segment signal in the vibration signal after smoothing on each frequency band is set, according to the threshold values for setting to each
Segment signal carries out noise reduction, eliminates the vibration signal beyond threshold values, then by noise reduction after each segment signal be reconstructed, afterwards
Entering signal final stage noise reduction subelement carries out further noise reduction process.
The present embodiment carries out secondary noise reduction process to original vibration signal, enables to each section of noise processed more flexibly accurate
Really, noise reduction is that the fault signature extraction to dumper lays a good foundation more preferably.
Preferably, if W (Z, Y) express times sequence for Z and Y it is smooth after vibration signal, W (Z-1, Y) is time sequence
Be classified as Z-1 and Y it is smooth after vibration signal, setting W (0, Y)=0 smoothed using the following smoothing formula through optimization
Vibration signal afterwards：
In formula, N is the length of the window function for adopting, and β is the threshold coefficient being manually set, | B (Z, Y) |2For vibration signal W
The power spectral density of frequency band corresponding to (Z, Y).
In the present embodiment, the smoothing formula of setting not only allows for the impact of threshold coefficient, it is also considered that window function
The impact of length so that the smoothing processing is more accurate, and the scope of application is wider, is that the fault signature extraction to dumper establishes good
Basis.
Preferably, by below equation to smoothing on each frequency band after vibration signal in the threshold values of each segment signal set
It is fixed：
Wherein, KgFor the threshold value of the vibration signal W (Z, Y) after smoothing on g-th frequency band；β is described being manually set
Threshold coefficient, Wmax(Z,Y)、Wmin(Z, Y) andMaximum, the minimum of the vibration signal W (Z, Y) after respectively smoothing
Value and meansigma methodss,For the absolute value of the intermediate value of the wavelet coefficient of described each segment signal.
In the present embodiment, it is possible to according to the power spectral density and wavelet coefficient of each frequency band in vibration signal to each segment signal
Threshold values be adaptively adjusted so that noise reduction is more accurate, and the impact of not vibrated signal length, is advantageously implemented pin
Accurate identification to the failure of dumper, so that it is guaranteed that can timely be keeped in repair when dumper breaks down, it is ensured that energy
Enough transferring the dumper not broken down carries out garbage disposal, so that it is guaranteed that the normal operation of refuse disposal system.
Preferably, it is described that final stage drop is carried out to the vibration signal after two grades of noise reductions based on improved Empirical mode algorithm
Make an uproar, including：
(1) demarcation line of low-and high-frequency is set, using the adaptive Time Frequency Analysis method of empirical mode decomposition by preliminary noise reduction
Original vibration signal afterwards resolves into different intrinsic mode functions by low-and high-frequency, and the intrinsic mode function of gained is carried out in Fu
Leaf transformation, obtains multiple intrinsic mode functions containing radio-frequency component and multiple intrinsic mode functions containing low-frequency component, will
Multiple intrinsic mode functions containing radio-frequency component are combined into new intrinsic mode function SH, by multiple consolidating containing low-frequency component
There is mode function to be combined into new intrinsic mode function SL, wherein setting S1,S2,…,SaRepresent the natural mode of vibration containing radio-frequency component
Function, S1+a,S2+a,…,SbThe intrinsic mode function containing low-frequency component is represented, a is the natural mode of vibration letter containing radio-frequency component
Several maximum numbers of plies, b is the maximum number of plies of the intrinsic mode function containing low-frequency component, then intrinsic mode function SHCombination meter
Calculating formula is：
Intrinsic mode function SLCombination calculation formula be：
(2) to intrinsic mode function SH、SLEmpirical mode decomposition is carried out respectively, extracts sensitive intrinsic mode function.
This preferred embodiment can avoid the modal overlap phenomenon in empirical mode decomposition, improve dividing for Empirical mode
Solution precision, is that fault signature extraction of the next step to dumper lays the foundation.
Preferably, to intrinsic mode function SLWhen carrying out Empirical mode decomposition, it is 100 to choose and integrate number of times, is chosen
White noise acoustic amplitude is [0.2,0.6]；To intrinsic mode function SHWhen carrying out Empirical mode decomposition, choosing integration number of times is
100, choose white noise acoustic amplitude and meet Pn=0.06Ph, wherein PnThe energy scale of the white noise to choose is poor, PhFor original vibration
The energy scale of the optimum radio-frequency component of signal is poor, and the optimum radio-frequency component is intrinsic with original vibration signal correlation maximum
Mode function；
Wherein, the dependency of intrinsic mode function and original vibration signal is calculated by following formula：
In formula, RELATIVE CiJ () represents CiJ the dependency of () and original vibration signal, B is adopted for original vibration signal
Number of samples, U0J () represents j-th original vibration signal, Ci(j) represent i-th corresponding with j-th original vibration signal it is intrinsic
Mode function, γ represents the quantity of intrinsic mode function corresponding with j-th original vibration signal,For original vibration signal
Average, T is the correction factor being manually set.
This preferred embodiment chooses the white noise acoustic amplitude after optimization and carries out Empirical mode decomposition, it is possible to increase comprehensive Jing
The precision of mode decomposition is tested, so as to be advantageously implemented the accurate noise reduction and fault signature of the original vibration signal to dumper
Extract.
Inventor has carried out a series of tests using the present embodiment, and the following is carries out testing the experimental data for obtaining：
| Garbage disposal situation | Dumper fault detect error rate | Cost savings rate | Garbage disposal fault rate |
| Refuse receptacle terminal quantity：1 | 0% | 5% | 0% |
| Refuse receptacle terminal quantity：5 | 0% | 6% | 0% |
| Refuse receptacle terminal quantity：10 | 0% | 5% | 0% |
| Refuse receptacle terminal quantity：15 | 0% | 7% | 0% |
| Refuse receptacle terminal quantity：20 | 0% | 8% | 0% |
The experimental data shows that the present invention can carry out accurate fault detect to dumper, it is determined that carrying out garbage disposal
Dumper model, make human resourcess and vehicle resources configuration optimization, it is preferably cost-effective.
Finally it should be noted that above example is only illustrating technical scheme, rather than to present invention guarantor
The restriction of shield scope, although having made to explain to the present invention with reference to preferred embodiment, one of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent, without deviating from the reality of technical solution of the present invention
Matter and scope.
Claims (5)
1. a kind of refuse disposal system of efficient energy-saving, is characterized in that：Including refuse receptacle terminal, garbage disposal terminal, dumper
Failure detector and Surveillance center, the Surveillance center and dumper failure detector, refuse receptacle terminal, garbage disposal end
End wireless communication connection；The refuse receptacle terminal is used to monitor the quantity of refuse in refuse receptacle, when quantity of refuse reaches or beyond default
During value, the compressed data comprising the full signal of amount and positional information is sent to Surveillance center；The Surveillance center enters to compressed data
Row is processed, and generates rubbish shipping operation information and positional information, and the information sent based on dumper failure detector is selected
The dumper model not broken down, and rubbish shipping operation information and positional information and the dumper model are sent to rubbish
Rubbish processing terminal.
2. a kind of refuse disposal system of efficient energy-saving according to claim 1, is characterized in that：The refuse receptacle terminal bag
The sensor unit being fixedly mounted on refuse receptacle staving is included, the sensor unit is used to monitor the quantity of refuse in staving, works as rubbish
Rubbish amount reach or beyond preset value when, the full signal of the sensor unit amount of sending.
3. a kind of refuse disposal system of efficient energy-saving according to claim 2, is characterized in that：The refuse receptacle terminal is also
Including the power subsystem being connected with sensor unit, the power subsystem is used to provide electric power support for sensor unit.
4. a kind of refuse disposal system of efficient energy-saving according to claim 3, is characterized in that：The dumper failure inspection
Survey vibration signals collecting unit, signal de-noising unit, fault signature extraction unit and Fault Identification that device includes being sequentially connected
Unit；The vibration signals collecting unit, in normal state and various former using acceleration transducer collection dumper
Original vibration signal when running under barrier state；The signal de-noising unit is used to carry out noise reduction process to original vibration signal；
The fault signature extraction unit is used to extract the fault characteristic information of the vibration signal after noise reduction；The fault identification unit is used
In setting up fault diagnosis model, and the fault diagnosis model is trained using the fault characteristic information for extracting, so as to be based on
The fault diagnosis model trained carries out Fault Identification to dumper.
5. a kind of refuse disposal system of efficient energy-saving according to claim 4, is characterized in that：The signal de-noising unit
Including the preliminary noise reduction subelement of signal, two grades of noise reduction subelements of signal and signal final stage noise reduction subelement, the signal tentatively drops
Subelement of making an uproar is used to carry out preliminary noise reduction to original vibration signal using the adaptive analysis method of minimum entropy deconvolution；The letter
Numbers two grades noise reduction subelements are used to carry out secondary noise reduction to the vibration signal after the preliminary noise reduction subelement of signal is processed；It is described
Signal final stage noise reduction subelement is used to enter the vibration signal after two grades of noise reductions of signal based on improved Empirical mode algorithm
Row final stage noise reduction.
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| CN109688534A (en) * | 2018-12-04 | 2019-04-26 | 宣育慧 | A kind of intelligent environment protection refuse disposal installation |
| CN110087193A (en) * | 2019-03-05 | 2019-08-02 | 采之翼(北京)科技有限公司 | Information uploading method, device, electronic equipment and the readable storage medium storing program for executing of dustbin |
| CN110740189A (en) * | 2019-10-26 | 2020-01-31 | 厦门大学嘉庚学院 | wisdom environmental protection supervisory systems based on internet of things |
| CN112304819A (en) * | 2020-05-28 | 2021-02-02 | 北京建工资源循环利用投资有限公司 | Method and system for monitoring health degree of construction waste treatment equipment |
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| CN112304819B (en) * | 2020-05-28 | 2024-01-23 | 北京建工资源循环利用投资有限公司 | Health degree monitoring method and system for construction waste treatment equipment |
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| CN106682791B (en) | 2021-02-26 |
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