CN104422501A - Weighing system suitable for vehicle type judgment and working method - Google Patents
Weighing system suitable for vehicle type judgment and working method Download PDFInfo
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- CN104422501A CN104422501A CN201310369436.3A CN201310369436A CN104422501A CN 104422501 A CN104422501 A CN 104422501A CN 201310369436 A CN201310369436 A CN 201310369436A CN 104422501 A CN104422501 A CN 104422501A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/02—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/005—Means for preventing overload
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/042—Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors
Abstract
The invention relates to a weighing system suitable for vehicle type judgment and a working method. The working method includes: firstly performing low-pass digital filtering on digital weighting signals by adoption of a Caesar window low-pass filter, the cut-off frequency being set as 10Hz; and then performing sliding mean filtering on the digital weighing signals in the range of 0 to 10HZ after low-pass filtering, and setting the minimum frequency and the maximum amplitude of the sliding mean filtering, i.e., performing sliding mean filtering on the digital weighing signals which are within the minimum frequency and not greater than the maximum amplitude, so as to obtain weight data. According to the working method provided by the invention, after filtering is performed on the digital weighing signals through the Caesar window low-pass filter, sliding mean filtering is then performed, thereby overcoming a weighing error caused by engine jitter in a non-flameout state of a weighted vehicle.
Description
Technical field
The present invention relates to a kind of weighing system and method for work, particularly relate to a kind of weighing system and the method for work that are suitable for type of vehicle differentiation.
Background technology
Overload of vehicle causes highway to accelerate the major reason damaged, and the entirety of traditional weighing system mostly automobile is weighed, and can not judge type of vehicle, and judges whether this vehicle overloads further.And for production unit, time delivery vehicle is unloaded, can title be crossed, after title when waiting fully loaded, the goods weight that can weigh up, but whether vehicle overloads, and existing weighing system is difficult to judge.
Chinese patent literature CN 103196530 A discloses a kind of vehicle dynamic weighing system and Weighing method thereof, wherein, gathers tire identification signal judge type of vehicle by tire recognizer.This technical scheme is owing to identifying measurement type by tire, and this technical scheme is for lorry, and inconsistent situation may appear in front and back tire, so tire recognizer can be caused accurately cannot to differentiate type of vehicle, causes measuring error.
Summary of the invention
The technical matters that the present invention primarily solves is to provide a kind of weighing system and the method for work that are suitable for type of vehicle differentiation, the technical matters that first this weighing system will solve is while weighing to vehicle, the type of this vehicle is detected, can judge whether this vehicle overloads further, and be particularly suitable for the situation of weighing many lorry queuing loadings, overcome the technical matters must considering vehicle sequencing when conventional weighing system crosses title, improve efficiency of weighing.
In order to solve the problems of the technologies described above, the invention provides a kind of method of work of weighing system, comprising:
A, adopt Caesar's window low-pass filter to carry out low-pass digital filter to digital weighing-up wave, cutoff frequency is set as 10Hz;
B, slip mean filter is carried out to the digital weighing signal within the scope of the 0-10HZ after low-pass filtering, wherein, the minimum frequency of setting slip mean filter and maximum amplitude, namely to being positioned at this minimum frequency and the digital weighing signal being not more than maximum amplitude carries out slip mean filter, to obtain weight data.
Further, in order to realize identifying type of vehicle, judge whether this vehicles drive goods overloads, and described weighing system comprises:
Type of vehicle pick-up unit, this type of vehicle pick-up unit is installed on the center of the weighing area of weighting platform;
Described type of vehicle pick-up unit comprises:
Magnetic bias generating means, for generation of the bias magnetic field that a space distribution is stable, and the loop direction of circling that the magnetic line of force of this bias magnetic field is formed travels to the direction of described weighing area consistent with vehicle to be weighed, and covers the upper space of described weighing area;
Magnetic perception component, is positioned in described bias magnetic field, and receives the magnetic disturbance signal that vehicle to be weighed enters the generation of described bias magnetic place;
Storage unit, stores type of vehicle feature database, and this type of vehicle feature database comprises type of vehicle, vehicle payload ratings;
The method obtaining described type of vehicle feature database is: when all types of vehicle enters described bias magnetic field respectively, and described magnetic perception component receives the magnetic disturbance signal that described vehicle produces; Convert each magnetic disturbance signal to the pulse waveform corresponding with the type of described vehicle, the amplitude of this pulse waveform is determined by the amplitude average value of described magnetic disturbance signal; Each pulse waveform that the type of thus obtained and described vehicle is corresponding, namely forms described type of vehicle feature database;
Processor module, is connected with this storage unit, is suitable for the magnetic disturbance signal processing the reception of described magnetic perception component; That is, described processor module is converted to the pulse signal corresponding with described vehicle of weighing this magnetic disturbance signal, and its pulse height is the amplitude average value of this magnetic disturbance signal;
Pulse height in described pulse signal and described type of vehicle feature database contrasts by described processor module, can obtain the type of this vehicle of weighing;
The method of work of described weighing system also comprises:
1. after all types of goods carrying vehicles of zero load sail described weighing area one by one into, described weighing system is weighed to Current vehicle and is obtained unloaded car weight data, obtained the type of Current vehicle by described type of vehicle pick-up unit simultaneously, namely, described processor module judges the type of Current vehicle according to the magnetic disturbance signal that described magnetic perception component obtains, and the payload ratings of this vehicle is obtained according to the type of this Current vehicle, and the type of described Current vehicle, payload ratings, unloaded car weight data are sent in the memory module in the weighing cell in described weighing system,
2. after again sailing described weighing area one by one into after each goods carrying vehicle loads, described weighing system is again weighed to Current vehicle and is obtained fully loaded car weight data, again judged the type of Current vehicle according to the magnetic disturbance signal that described magnetic perception component obtains by described type of vehicle pick-up unit, 1. what described weighing system called storage according to the type of Current vehicle stores the payload ratings of this vehicle in a storage module, unloaded car weight data by step simultaneously; Compared by unloaded car weight data and current fully loaded car weight data, obtain goods weight, and judge whether current goods carrying vehicle overloads by described payload ratings data.
Further, in order to send bias magnetic field that is stable, wide coverage, described magnetic bias generating means comprises: permanent magnet, first, second magnetic conductor, the two poles of the earth of described permanent magnet contact with one end of first, second magnetic conductor respectively, and described permanent magnet and first, second magnetic conductor form L-shaped; The other end of the first or second magnetic conductor is disposed adjacent with described magnetic perception component, and described permanent magnet, first and second magnetic conductor, magnetic perception component forms a concave shape; Wherein, described bias magnetic field is suitable for sending from the end of described first magnetic conductor, and passes described magnetic perception component along the length direction of the second magnetic conductor, namely forms the bypass loop of the described magnetic line of force; The air magnetic gap being suitable for regulating magnetic field intensity is left between described magnetic perception component and the second magnetic conductor.
Further, in order to realize receiving magnetic disturbance signal from all directions, described magnetic perception component comprises: three converge body in the trumpet-shaped magnetic being suitable for converging magnetic signal, the hydraucone that these three pairs of magnetic converge body arranges all outwardly and is on six end faces of a square respectively, form a cavity between the medial extremity of these three pairs of magnetic convergence bodies, in this cavity, be provided with the three-D magnetic field sensor be connected with described processor module; The X-axis of setting three-D magnetic field sensor, Y-axis, Z axis are consistent with the central axis that first, second, third pair of magnetic converges body respectively;
Described type of vehicle pick-up unit is suitable for when vehicle of weighing enters described bias magnetic field, and the X-axis of described three-D magnetic field sensor is suitable for the vehicle magnetic disturbance signal that direction produces before or after described magnetic perception component of weighing described in detection; The magnetic disturbance signal that vehicle of weighing described in the Y-axis of described three-D magnetic field sensor is suitable for detecting produces in the left or right direction of described magnetic perception component; The magnetic disturbance signal that vehicle of weighing described in the Z axis of described three-D magnetic field sensor is suitable for detecting produces above described magnetic perception component.
In order to solve the problems of the technologies described above, present invention also offers a kind of weighing system being suitable for type of vehicle and differentiating, comprising:
Type of vehicle pick-up unit, this type of vehicle pick-up unit is installed on the center of the weighing area of weighting platform;
Described type of vehicle pick-up unit comprises:
Magnetic bias generating means, for generation of the bias magnetic field that a space distribution is stable, and the loop direction of circling that the magnetic line of force of this bias magnetic field is formed travels to the direction of described weighing area consistent with vehicle to be weighed, and covers the upper space of described weighing area;
Magnetic perception component, is positioned in described bias magnetic field, and receives the magnetic disturbance signal that vehicle to be weighed enters the generation of described bias magnetic place;
Storage unit, stores type of vehicle feature database, and this type of vehicle feature database comprises type of vehicle, vehicle payload ratings;
The method obtaining described type of vehicle feature database is: when all types of vehicle enters described bias magnetic field respectively, and described magnetic perception component receives the magnetic disturbance signal that described vehicle produces; Convert each magnetic disturbance signal to the pulse waveform corresponding with the type of described vehicle, the amplitude of this pulse waveform is determined by the amplitude average value of described magnetic disturbance signal; Each pulse waveform that the type of thus obtained and described vehicle is corresponding, namely forms described type of vehicle feature database;
Processor module, is connected with this storage unit, is suitable for the magnetic disturbance signal processing the reception of described magnetic perception component; That is, described processor module is converted to the pulse signal corresponding with described vehicle of weighing this magnetic disturbance signal, and its pulse height is the amplitude average value of this magnetic disturbance signal;
Pulse height in described pulse signal and described type of vehicle feature database contrasts by described processor module, can obtain the type of this vehicle of weighing.
Further, in order to send bias magnetic field that is stable, wide coverage, described magnetic bias generating means comprises: permanent magnet, first, second magnetic conductor, the two poles of the earth of described permanent magnet contact with one end of first, second magnetic conductor respectively, and described permanent magnet and first, second magnetic conductor form L-shaped;
The other end of the first or second magnetic conductor is disposed adjacent with described magnetic perception component, and described permanent magnet, first and second magnetic conductor, magnetic perception component forms a concave shape;
Wherein, described bias magnetic field is suitable for sending from the end of described first magnetic conductor, and passes described magnetic perception component along the length direction of the second magnetic conductor, namely forms the bypass loop of the described magnetic line of force;
The air magnetic gap being suitable for regulating magnetic field intensity is left between described magnetic perception component and the second magnetic conductor.
Further, in order to realize receiving magnetic disturbance signal from all directions, described magnetic perception component comprises: three converge body in the trumpet-shaped magnetic being suitable for converging magnetic signal, the hydraucone that these three pairs of magnetic converge body arranges all outwardly and is on six end faces of a square respectively, form a cavity between the medial extremity of these three pairs of magnetic convergence bodies, in this cavity, be provided with the three-D magnetic field sensor be connected with described processor module; The X-axis of setting three-D magnetic field sensor, Y-axis, Z axis are consistent with the central axis that first, second, third pair of magnetic converges body respectively;
Described type of vehicle pick-up unit is suitable for when vehicle of weighing enters described bias magnetic field, and the X-axis of described three-D magnetic field sensor is suitable for the vehicle magnetic disturbance signal that direction produces before or after described magnetic perception component of weighing described in detection; The magnetic disturbance signal that vehicle of weighing described in the Y-axis of described three-D magnetic field sensor is suitable for detecting produces in the left or right direction of described magnetic perception component; The magnetic disturbance signal that vehicle of weighing described in the Z axis of described three-D magnetic field sensor is suitable for detecting produces above described magnetic perception component.
Compared with prior art, tool of the present invention has the following advantages: (1) is of the present invention carries out slip mean filter by Caesar's window low-pass filter again to after digital weighing-up wave filtering, and overcome the vehicle that weighs and do not stop working, the weighting error caused shaken by engine; (2) achieved the detection of type of vehicle by type of vehicle pick-up unit, obtain the lifting capacity of the vehicle that weighs, avoid overload of vehicle, the places such as high speed charge station, goods yard can be widely used in; (3) by the cooperating of magnetic bias generating means and magnetic perception component, there is vehicle disturbed magnetic field and stablize, and the feature that this field signal is strong; (4) vehicle type recognition is passed through, the weighing system avoiding prior art, when many lorry queuing loadings are weighed, must consider the order of weighing time lorry is unloaded, or only a lorry weighs from zero load, arrive the technical matters of weighing after loading again, by vehicle type recognition, the zero load vehicle that weighs is confirmed, when after vehicle loading, again carry out vehicle identification, without the need to considering the order of weighing of vehicle, being particularly suitable for various dissimilar vehicle and freighting, improve efficiency of weighing.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below basis specific embodiment and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
The frequency response curve of Fig. 1 Caesar's window of the present invention low-pass filter;
Fig. 2 is without the weighing-up wave waveform of the method for work process of weighing system of the present invention;
Fig. 3 is through the weighing-up wave waveform of the method for work process of weighing system of the present invention;
The position view of type of vehicle pick-up unit in Fig. 4 weighing system of the present invention;
The perspective view of Fig. 5 magnetic bias generating means of the present invention and magnetic perception component;
The structural representation of Fig. 6 magnetic bias generating means of the present invention and magnetic perception component;
The circuit structure block diagram of a kind of embodiment of Fig. 7 type of vehicle of the present invention pick-up unit;
The circuit structure block diagram of the another kind of embodiment of Fig. 8 type of vehicle of the present invention pick-up unit;
Fig. 9 magnetic of the present invention converges the perspective view of body;
The structural representation of Figure 10 magnetic perception component of the present invention.
Wherein, permanent magnet 1, first magnetic conductor 2, second magnetic conductor 3, magnetic perception component 4, bias magnetic field 5, air magnetic gap 6, magnetic converge body 7, cavity 8, weighting platform 9, weighing area 9-1, type of vehicle pick-up unit 10.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail:
Embodiment 1
A method of work for weighing system, comprising:
A, adopt Caesar's window low-pass filter to carry out low-pass digital filter to digital weighing-up wave, cutoff frequency is set as 10Hz;
B, slip mean filter is carried out to the digital weighing signal within the scope of the 0-10HZ after low-pass filtering, wherein, the minimum frequency of setting slip mean filter and maximum amplitude, namely to being positioned at this minimum frequency and the digital weighing signal being not more than maximum amplitude carries out slip mean filter, to obtain weight data.
Wherein, described minimum frequency gets 0.5HZ(2 second), amplitude peak is the twice of the weight fraction angle value of weighing system setting.
Described Caesar's window low-pass filter, arranging sample frequency is 50Hz, and cutoff frequency is 10Hz, exponent number is 16 rank, as shown in Figure 1, as can be seen from Figure 2 lower than 10hz, the substantially unattenuated signal of this wave filter, be greater than 10hz decay large especially, after 20hz, decay to-60db.
Fig. 2 and Fig. 3 contrasts, and can find does not have the method for work through this invention to carry out the actual test weighing data waveform processed, and it has fluctuation in whole weighing process.Vibration through method of work latter half of the present invention has just been eliminated.Therefore provide measuring accuracy.
See Fig. 4, described weighing system comprises:
Type of vehicle pick-up unit 10, the weighing area 9-1(that this type of vehicle pick-up unit 10 is installed on weighting platform 9 is shown in that in Fig. 4, dotted line represents region) center;
See Fig. 5, Fig. 6 and Fig. 7, described type of vehicle pick-up unit 10 comprises:
Magnetic bias generating means, for generation of the bias magnetic field 5 that a space distribution is stable, and the loop direction of circling (in Fig. 4, A arrow represents direction) that the magnetic line of force of this bias magnetic field 5 is formed travels to the direction (in Fig. 4, B arrow represents direction) of described weighing area 9-1 consistent with vehicle to be weighed, and cover the upper space of described weighing area 9-1, if magnetic field intensity is large, can accomplish to cover completely, if magnetic field intensity is little, although can not cover completely, also testing requirement can be reached.Specifically refer to structure and the principle of work of magnetic bias generating means.
Magnetic perception component 4, is positioned in described bias magnetic field 5, and receives vehicle to be weighed and enter the magnetic disturbance signal that described bias magnetic field 5 produces.
Storage unit, stores type of vehicle feature database, and this type of vehicle feature database comprises type of vehicle, vehicle payload ratings.
Described type of vehicle feature database is priori, needs to obtain before the described type of vehicle pick-up unit 10 of use.Wherein, the method obtaining described type of vehicle feature database is: when all types of vehicle sails described bias magnetic field 5 respectively into, and described magnetic perception component 4 receives the magnetic disturbance signal that described vehicle produces; Convert each magnetic disturbance signal to the pulse waveform corresponding with the type of described vehicle, the amplitude of this pulse waveform is determined by the amplitude average value of described magnetic disturbance signal; Each pulse waveform that the type of thus obtained and described vehicle is corresponding, namely forms described type of vehicle feature database;
Processor module, is connected with this storage unit, is suitable for the magnetic disturbance signal processing the reception of described magnetic perception component 4; That is, described processor module is converted to the pulse signal corresponding with described vehicle of weighing this magnetic disturbance signal, and its pulse height is the amplitude average value of this magnetic disturbance signal; Pulse height in described pulse signal and described type of vehicle feature database contrasts by described processor module, can obtain the type of this vehicle of weighing.
The method of work of described weighing system also comprises:
1. after all types of goods carrying vehicles of zero load sail described weighing area 9-1 one by one into, described weighing system is weighed to Current vehicle and is obtained unloaded car weight data, obtained the type of Current vehicle by described type of vehicle pick-up unit 10 simultaneously, namely, described processor module judges the type of Current vehicle according to the magnetic disturbance signal that described magnetic perception component 4 obtains, and the payload ratings of this vehicle is obtained according to the type of this Current vehicle, and the type of described Current vehicle, payload ratings, unloaded car weight data are sent in the memory module in the weighing cell in described weighing system,
2. after again sailing described weighing area 9-1 one by one into after each goods carrying vehicle loads, described weighing system is again weighed to Current vehicle and is obtained fully loaded car weight data, again judged the type of Current vehicle according to the magnetic disturbance signal that described magnetic perception component 4 obtains by described type of vehicle pick-up unit 10,1. what described weighing system called storage according to the type of Current vehicle stores the payload ratings of this vehicle in a storage module, unloaded car weight data by step simultaneously; Compared by unloaded car weight data and current fully loaded car weight data, obtain goods weight, and judge whether current goods carrying vehicle overloads by described payload ratings data.
Wherein, described magnetic bias generating means can use the permanent magnet of difformity, different materials, different qualities to form, but its essence is on weighting platform weighing area, produce the stable bias magnetic field of a space distribution 5; Magnetic perception component 4, can receive the magnetic field of coming from all directions radiation, obtains a convergence magnetic field; Magnetic disturbance signal, it is that a ferromagnetic material enters in magnetic field, is magnetized rear produced complementary field; The magnetic induction intensity of this complementary field is according to the quality of this ferromagnetic material, the difference of structure and different, that is, when automobile enters this bias magnetic field 5, the main material due to vehicle is iron and steel, and vehicle will produce magnetic disturbance in this bias magnetic field; The difference of the structure and layout of the length of vehicle, width, the number of axle, the parts such as engine and gearbox-type, the wide high signal characteristic of the magnetic disturbance signal amplitude that different vehicle is formed, length, Wave crest and wave trough is different.The bias magnetic field determined 5 times, the magnetic signal feature of identical type of vehicle is basically identical, and this is the physical basis that this type of vehicle pick-up unit carries out detecting.
In described type of vehicle pick-up unit, set up type of vehicle feature database particularly crucial.So the following two kinds method can also be adopted to set up type of vehicle feature database, and the detection carrying out type of vehicle and the work of testing the speed.
The method of method one, the described type of vehicle feature database of described acquisition can also receive by magnetic perception component 4 the magnetic disturbance signal that vehicle of weighing produces when the bias magnetic field 5, and after purpose processor resume module, extract the feature at time domain, frequency domain corresponding to magnetic disturbance signal to determine respective type vehicle.
When carrying out vehicle detection, also can extract weigh vehicle above magnetic bias generating means time produce the time domain of signal, the feature of frequency domain, and obtain the time domain of signal in described type of vehicle feature database with the method, frequency domain character compares, to obtain the type of vehicle of weighing.
Method two, in order to improve the accuracy of type of vehicle feature database further, the method setting up type of vehicle feature database comprises:
When all types of vehicle enters described bias magnetic field 5 respectively, described magnetic perception component 4 receives the magnetic disturbance signal that described vehicle produces; After each magnetic disturbance signal digital, therefrom extract the characteristic relevant to these vehicles, comprise the pulse height average characteristics of magnetic disturbance signal, extremal features and spatial-temporal distribution characteristic, be stored in storage unit with the form of eigenmatrix after classification is summed up, type of vehicle feature database described in composition, that is, the type of vehicle feature database that the eigenmatrix obtaining described magnetic disturbance sample is formed;
If preserve with the form of eigenmatrix in described type of vehicle feature database, then the eigenmatrix in the eigenmatrix of described magnetic disturbance sample and described type of vehicle feature database contrasts by described processor module, can obtain the type of this vehicle of weighing.
See Fig. 6, in order to improve directivity, stability, the intensity of bias magnetic field 5, described magnetic bias generating means comprises: permanent magnet 1, first, second magnetic conductor, the two poles of the earth of described permanent magnet 1 contact with one end of first, second magnetic conductor respectively, and described permanent magnet 1 and first, second magnetic conductor form L-shaped; The other end of the first or second magnetic conductor is disposed adjacent with described magnetic perception component 4, and described permanent magnet 1, first, second magnetic conductor, magnetic perception component 4 forms a concave shape; Wherein, described bias magnetic field 5 is suitable for sending from the end of described first magnetic conductor 2, and passes described magnetic perception component 4 along the length direction of the second magnetic conductor 3, namely forms the bypass loop of the described magnetic line of force; The air magnetic gap 6 being suitable for regulating magnetic field intensity is left between described magnetic perception component 4 and the second magnetic conductor 3.
Wherein, magnetic bias magnetic field 5 is made up of Nd-Fe-B permanent magnet 1 and magnetic flux guide body (magnetic conductor), and magnetic flux guide body makes with high permeability materials, has higher saturation flux B
sand lower magnetic resistance σ, the non-uniform stable magnetic field that a distribution is stable can be produced around sensing point.Because the magnetic induction of this magnetic field in effective search coverage is far above terrestrial magnetic field, this magnetic signature has nothing to do with sensing point latitude and direction of traffic, thus broken away from earth magnetism detection method is difficult to obtain unified detecting parameter shortcoming by latitude and azimuthal influence, and provide pacing items for the detection based on signal structure characteristic and frequency characteristic.This Distribution of Magnetic Field and field intensity can need to determine according to detection, to obtain optimal detection effect.Namely regulate the size of described air magnetic gap 6 to adjust magnetic field intensity.
See Fig. 6, Fig. 9, Figure 10, described magnetic perception component 4 comprises: three converge body 7 in the trumpet-shaped magnetic being suitable for converging magnetic signal, the hydraucone that these three pairs of magnetic converge body 7 arranges all outwardly and is on six end faces of a square respectively, form a cavity 8 between the medial extremity of these three pairs of magnetic convergence bodies 7, in this cavity 8, be provided with the three-D magnetic field sensor be connected with described processor module; The X-axis of setting three-D magnetic field sensor, Y-axis, Z axis are consistent with the central axis that first, second, third pair of magnetic converges body 7 respectively; Wherein, magnetic converges body 7 also can be bucking ladder column.
Described type of vehicle pick-up unit 10 is adapted to be mounted to the center of weighing area 9-1, after vehicle to be weighed sails described bias magnetic field 5 into, then the X-axis of described three-D magnetic field sensor is suitable for detecting the described vehicle to be weighed magnetic disturbance signal that direction produces before or after described magnetic perception component 4; The magnetic disturbance signal that vehicle of weighing described in the Y-axis of described three-D magnetic field sensor is suitable for detecting produces in the left or right direction of described magnetic perception component 4; The Z axis of described three-D magnetic field sensor is suitable for detecting the magnetic disturbance signal that described vehicle to be weighed produces above described magnetic perception component 4; Namely, described magnetic perception component 4 fore-and-aft direction is that first pair of magnetic converges body, left and right directions is that second pair of magnetic converges body, above-below direction is that the 3rd pair of magnetic converges body, simultaneously also can be as required, adjust the corresponding relation that the X, Y, Z axis of described three-D magnetic field sensor and the first, second, third pair of magnetic converge body, detection method is the same.
Realize above-mentioned type of vehicle when detecting, described magnetic disturbance signal is the summation (gathering) of magnetic disturbance signal in X-axis, Y-axis, Z axis three directions.
See Fig. 8, for the stringent environmental requirements of field monitoring of weighing, signal condition part adopts the design of low drifting low noise amplifier, realizes temperature compensation in conjunction with field temperature sensor; Described type of vehicle pick-up unit also comprises: be connected with described processor module one is suitable for the temperature sensor gathering environment temperature, and described processor module is also suitable for carrying out temperature compensation to magnetic disturbance signal; Described magnetic perception component 4 and one is suitable for regulating the modulate circuit of the signal amplitude of magnetic disturbance signal to be connected, and this modulate circuit is connected with described processor module.
Processor module in this embodiment for establishing the processor module of AD conversion in single-chip microcomputer, embedded, DSP etc., also can adopt the technical scheme of external AD conversion module to realize.
Embodiment 2
See Fig. 4-7, a kind of weighing system being suitable for type of vehicle differentiation of the method for work for described weighing system, this weighing system comprises type of vehicle pick-up unit 10, and the weighing area 9-1(that this type of vehicle pick-up unit 10 is installed on weighting platform 9 is shown in that in Fig. 4, dotted line represents region) center;
Described type of vehicle pick-up unit 10 comprises:
Magnetic bias generating means, for generation of the bias magnetic field 5 that a space distribution is stable, and the magnetic line of force of this bias magnetic field 5 the loop direction of circling (in Fig. 4, A arrow represents direction) formed and vehicle of weighing travel to the direction (in Fig. 4, B arrow represents direction) of described weighing area 9-1 consistent, and cover the upper space of described weighing area 9-1, if magnetic field intensity is large, can accomplish to cover completely, if magnetic field intensity is little, although can not cover completely, also testing requirement can be reached.Specifically refer to structure and the principle of work of magnetic bias generating means.
Magnetic perception component 4, is positioned in described bias magnetic field 5, and reception is weighed, vehicle enters the magnetic disturbance signal that described bias magnetic field 5 produces.
Storage unit, stores type of vehicle feature database, and this type of vehicle feature database comprises type of vehicle, vehicle payload ratings;
The method obtaining described type of vehicle feature database is: when all types of vehicle sails described bias magnetic field 5 respectively into, and described magnetic perception component 4 receives the magnetic disturbance signal that described vehicle produces; Convert each magnetic disturbance signal to the pulse waveform corresponding with the type of described vehicle, the amplitude of this pulse waveform is determined by the amplitude average value of described magnetic disturbance signal; Each pulse waveform that the type of thus obtained and described vehicle is corresponding, namely forms described type of vehicle feature database;
Processor module, is connected with this storage unit, is suitable for the magnetic disturbance signal processing the reception of described magnetic perception component 4; That is, described processor module is converted to the pulse signal corresponding with described vehicle of weighing this magnetic disturbance signal, and its pulse height is the amplitude average value of this magnetic disturbance signal; Pulse height in described pulse signal and described type of vehicle feature database contrasts by described processor module, can obtain the type of this vehicle of weighing.
The method setting up type of vehicle feature database is with to improve the method setting up type of vehicle feature database in embodiment 1 identical.
That is, the described method setting up type of vehicle feature database comprises: when all types of vehicle enters described bias magnetic field 5 respectively, and described magnetic perception component 4 receives the magnetic disturbance signal that described vehicle produces; After each magnetic disturbance signal digital, therefrom extract the characteristic relevant to these vehicles, comprise the pulse height average characteristics of magnetic disturbance signal, extremal features and spatial-temporal distribution characteristic, be stored in storage unit with the form of eigenmatrix after classification is summed up, type of vehicle feature database described in composition, that is, the type of vehicle feature database that the eigenmatrix obtaining described magnetic disturbance sample is formed.
Wherein, described magnetic bias generating means comprises: permanent magnet 1, first, second magnetic conductor, and the two poles of the earth of described permanent magnet 1 contact with one end of first and second magnetic conductor respectively, and described permanent magnet 1 and first, second magnetic conductor form L-shaped; The other end of the first or second magnetic conductor is disposed adjacent with described magnetic perception component 4, and described permanent magnet 1, first, second magnetic conductor, magnetic perception component 4 forms a concave shape; Wherein, described bias magnetic field 5 is suitable for sending from the end of described first magnetic conductor 2, and passes described magnetic perception component 4 along the length direction of the second magnetic conductor 3, namely forms the bypass loop of the described magnetic line of force; The air magnetic gap 6 being suitable for regulating magnetic field intensity is left between described magnetic perception component 4 and the second magnetic conductor 3; Described magnetic perception component 4 comprises: three converge body 7 in the trumpet-shaped magnetic being suitable for converging magnetic signal, the hydraucone that these three pairs of magnetic converge body 7 arranges all outwardly and is on six end faces of a square respectively, form a cavity 8 between the medial extremity of these three pairs of magnetic convergence bodies 7, in this cavity 8, be provided with the three-D magnetic field sensor be connected with described processor module; The X-axis of setting three-D magnetic field sensor, Y-axis, Z axis are consistent with the central axis that first, second, third pair of magnetic converges body 7 corresponding respectively.
Described type of vehicle pick-up unit 10 is adapted to be mounted to the center of described weighing area 9-1, after vehicle to be weighed sails described bias magnetic field 5 into, then the X-axis of described three-D magnetic field sensor is suitable for detecting the described vehicle to be weighed magnetic disturbance signal that direction produces before or after described magnetic perception component 4; The magnetic disturbance signal that vehicle of weighing described in the Y-axis of described three-D magnetic field sensor is suitable for detecting produces in the left or right direction of described magnetic perception component 4; The magnetic disturbance signal that vehicle of weighing described in the Z axis of described three-D magnetic field sensor is suitable for detecting produces above described magnetic perception component 4.
Obviously, above-described embodiment is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And these belong to spirit institute's apparent change of extending out of the present invention or change and are still among protection scope of the present invention.
Claims (7)
1. a method of work for weighing system, is characterized in that, comprising:
A, adopt Caesar's window low-pass filter to carry out low-pass digital filter to digital weighing-up wave, cutoff frequency is set as 10Hz;
B, slip mean filter is carried out to the digital weighing signal within the scope of the 0-10HZ after low-pass filtering, wherein, the minimum frequency of setting slip mean filter and maximum amplitude, namely to being positioned at this minimum frequency and the digital weighing signal being not more than maximum amplitude carries out slip mean filter, to obtain weight data.
2. the method for work of weighing system according to claim 1, is characterized in that,
Described weighing system comprises:
Type of vehicle pick-up unit, this type of vehicle pick-up unit is installed on the center of the weighing area of weighting platform;
Described type of vehicle pick-up unit comprises:
Magnetic bias generating means, for generation of the bias magnetic field that a space distribution is stable, and the loop direction of circling that the magnetic line of force of this bias magnetic field is formed travels to the direction of described weighing area consistent with vehicle to be weighed, and covers the upper space of described weighing area;
Magnetic perception component, is positioned in described bias magnetic field, and receives the magnetic disturbance signal that vehicle to be weighed enters the generation of described bias magnetic place;
Storage unit, stores type of vehicle feature database, and this type of vehicle feature database comprises type of vehicle, vehicle payload ratings;
The method obtaining described type of vehicle feature database is: when all types of vehicle enters described bias magnetic field respectively, and described magnetic perception component receives the magnetic disturbance signal that described vehicle produces; Convert each magnetic disturbance signal to the pulse waveform corresponding with the type of described vehicle, the amplitude of this pulse waveform is determined by the amplitude average value of described magnetic disturbance signal; Each pulse waveform that the type of thus obtained and described vehicle is corresponding, namely forms described type of vehicle feature database;
Processor module, is connected with this storage unit, is suitable for the magnetic disturbance signal processing the reception of described magnetic perception component; That is, described processor module is converted to the pulse signal corresponding with described vehicle of weighing this magnetic disturbance signal, and its pulse height is the amplitude average value of this magnetic disturbance signal;
Pulse height in described pulse signal and described type of vehicle feature database contrasts by described processor module, can obtain the type of this vehicle of weighing;
The method of work of described weighing system also comprises:
1. after all types of goods carrying vehicles of zero load sail described weighing area one by one into, described weighing system is weighed to Current vehicle and is obtained unloaded car weight data, obtained the type of Current vehicle by described type of vehicle pick-up unit simultaneously, namely, described processor module judges the type of Current vehicle according to the magnetic disturbance signal that described magnetic perception component obtains, and the payload ratings of this vehicle is obtained according to the type of this Current vehicle, and the type of described Current vehicle, payload ratings, unloaded car weight data are sent in the memory module in the weighing cell in described weighing system,
2. after again sailing described weighing area one by one into after each goods carrying vehicle loads, described weighing system is again weighed to Current vehicle and is obtained fully loaded car weight data, again judged the type of Current vehicle according to the magnetic disturbance signal that described magnetic perception component obtains by described type of vehicle pick-up unit, 1. what described weighing system called storage according to the type of Current vehicle stores the payload ratings of this vehicle in a storage module, unloaded car weight data by step simultaneously; Compared by unloaded car weight data and current fully loaded car weight data, obtain goods weight, and judge whether current goods carrying vehicle overloads by described payload ratings data.
3. the method for work of weighing system according to claim 2, is characterized in that,
Described magnetic bias generating means comprises: permanent magnet, first, second magnetic conductor, and the two poles of the earth of described permanent magnet contact with one end of first, second magnetic conductor respectively, and described permanent magnet and first, second magnetic conductor form L-shaped;
The other end of the first or second magnetic conductor is disposed adjacent with described magnetic perception component, and described permanent magnet, first and second magnetic conductor, magnetic perception component forms a concave shape;
Wherein, described bias magnetic field is suitable for sending from the end of described first magnetic conductor, and passes described magnetic perception component along the length direction of the second magnetic conductor, namely forms the bypass loop of the described magnetic line of force;
The air magnetic gap being suitable for regulating magnetic field intensity is left between described magnetic perception component and the second magnetic conductor.
4. the method for work of weighing system according to claim 3, is characterized in that,
Described magnetic perception component comprises: three converge body in the trumpet-shaped magnetic being suitable for converging magnetic signal, the hydraucone that these three pairs of magnetic converge body arranges all outwardly and is on six end faces of a square respectively, form a cavity between the medial extremity of these three pairs of magnetic convergence bodies, in this cavity, be provided with the three-D magnetic field sensor be connected with described processor module; The X-axis of setting three-D magnetic field sensor, Y-axis, Z axis are consistent with the central axis that first, second, third pair of magnetic converges body respectively;
Described type of vehicle pick-up unit is suitable for when vehicle of weighing enters described bias magnetic field, and the X-axis of described three-D magnetic field sensor is suitable for the vehicle magnetic disturbance signal that direction produces before or after described magnetic perception component of weighing described in detection; The magnetic disturbance signal that vehicle of weighing described in the Y-axis of described three-D magnetic field sensor is suitable for detecting produces in the left or right direction of described magnetic perception component; The magnetic disturbance signal that vehicle of weighing described in the Z axis of described three-D magnetic field sensor is suitable for detecting produces above described magnetic perception component.
5. application rights requires a weighing system for the method for work described in 1, it is characterized in that comprising:
Type of vehicle pick-up unit, this type of vehicle pick-up unit is installed on the center of the weighing area of weighting platform;
Described type of vehicle pick-up unit comprises:
Magnetic bias generating means, for generation of the bias magnetic field that a space distribution is stable, and the loop direction of circling that the magnetic line of force of this bias magnetic field is formed travels to the direction of described weighing area consistent with vehicle to be weighed, and covers the upper space of described weighing area;
Magnetic perception component, is positioned in described bias magnetic field, and receives the magnetic disturbance signal that vehicle to be weighed enters the generation of described bias magnetic place;
Storage unit, stores type of vehicle feature database, and this type of vehicle feature database comprises type of vehicle, vehicle payload ratings;
The method obtaining described type of vehicle feature database is: when all types of vehicle enters described bias magnetic field respectively, and described magnetic perception component receives the magnetic disturbance signal that described vehicle produces; Convert each magnetic disturbance signal to the pulse waveform corresponding with the type of described vehicle, the amplitude of this pulse waveform is determined by the amplitude average value of described magnetic disturbance signal; Each pulse waveform that the type of thus obtained and described vehicle is corresponding, namely forms described type of vehicle feature database;
Processor module, is connected with this storage unit, is suitable for the magnetic disturbance signal processing the reception of described magnetic perception component; That is, described processor module is converted to the pulse signal corresponding with described vehicle of weighing this magnetic disturbance signal, and its pulse height is the amplitude average value of this magnetic disturbance signal;
Pulse height in described pulse signal and described type of vehicle feature database contrasts by described processor module, can obtain the type of this vehicle of weighing.
6. weighing system according to claim 5, it is characterized in that, described magnetic bias generating means comprises: permanent magnet, first, second magnetic conductor, the two poles of the earth of described permanent magnet contact with one end of first, second magnetic conductor respectively, and described permanent magnet and first, second magnetic conductor form L-shaped;
The other end of the first or second magnetic conductor is disposed adjacent with described magnetic perception component, and described permanent magnet, first and second magnetic conductor, magnetic perception component forms a concave shape;
Wherein, described bias magnetic field is suitable for sending from the end of described first magnetic conductor, and passes described magnetic perception component along the length direction of the second magnetic conductor, namely forms the bypass loop of the described magnetic line of force;
The air magnetic gap being suitable for regulating magnetic field intensity is left between described magnetic perception component and the second magnetic conductor.
7. type of vehicle pick-up unit according to claim 6, it is characterized in that, described magnetic perception component comprises: three converge body in the trumpet-shaped magnetic being suitable for converging magnetic signal, the hydraucone that these three pairs of magnetic converge body arranges all outwardly and is on six end faces of a square respectively, form a cavity between the medial extremity of these three pairs of magnetic convergence bodies, in this cavity, be provided with the three-D magnetic field sensor be connected with described processor module; The X-axis of setting three-D magnetic field sensor, Y-axis, Z axis are consistent with the central axis that first, second, third pair of magnetic converges body respectively;
Described type of vehicle pick-up unit is suitable for when vehicle of weighing enters described bias magnetic field, and the X-axis of described three-D magnetic field sensor is suitable for the vehicle magnetic disturbance signal that direction produces before or after described magnetic perception component of weighing described in detection; The magnetic disturbance signal that vehicle of weighing described in the Y-axis of described three-D magnetic field sensor is suitable for detecting produces in the left or right direction of described magnetic perception component; The magnetic disturbance signal that vehicle of weighing described in the Z axis of described three-D magnetic field sensor is suitable for detecting produces above described magnetic perception component.
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| CN201611257339.5A CN106600970B (en) | 2013-08-22 | 2013-08-22 | Suitable for the weighing system for differentiating type of vehicle, judging whether overload |
| CN201611255853.5A CN106482816B (en) | 2013-08-22 | 2013-08-22 | It can carry out the weighing system of type of vehicle differentiation |
| CN201611254887.2A CN106768229B8 (en) | 2013-08-22 | 2013-08-22 | It can carry out the working method of the weighing system of type of vehicle differentiation |
| CN201310369436.3A CN104422501B (en) | 2013-08-22 | 2013-08-22 | A kind of weighing system and method for work for being suitable to type of vehicle differentiation |
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| CN201310369436.3A CN104422501B (en) | 2013-08-22 | 2013-08-22 | A kind of weighing system and method for work for being suitable to type of vehicle differentiation |
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| CN201611257339.5A Division CN106600970B (en) | 2013-08-22 | 2013-08-22 | Suitable for the weighing system for differentiating type of vehicle, judging whether overload |
| CN201611254887.2A Division CN106768229B8 (en) | 2013-08-22 | 2013-08-22 | It can carry out the working method of the weighing system of type of vehicle differentiation |
| CN201611255853.5A Division CN106482816B (en) | 2013-08-22 | 2013-08-22 | It can carry out the weighing system of type of vehicle differentiation |
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| CN201611255853.5A Expired - Fee Related CN106482816B (en) | 2013-08-22 | 2013-08-22 | It can carry out the weighing system of type of vehicle differentiation |
| CN201611254887.2A Active CN106768229B8 (en) | 2013-08-22 | 2013-08-22 | It can carry out the working method of the weighing system of type of vehicle differentiation |
| CN201611257339.5A Active CN106600970B (en) | 2013-08-22 | 2013-08-22 | Suitable for the weighing system for differentiating type of vehicle, judging whether overload |
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| CN201611254887.2A Active CN106768229B8 (en) | 2013-08-22 | 2013-08-22 | It can carry out the working method of the weighing system of type of vehicle differentiation |
| CN201611257339.5A Active CN106600970B (en) | 2013-08-22 | 2013-08-22 | Suitable for the weighing system for differentiating type of vehicle, judging whether overload |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106600970A (en) * | 2013-08-22 | 2017-04-26 | 蔡留凤 | Weighing system for judging vehicle type and overload |
| CN110992701A (en) * | 2019-11-08 | 2020-04-10 | 北京万集科技股份有限公司 | Vehicle overrun detection system |
| CN114018381A (en) * | 2021-12-07 | 2022-02-08 | 南京智鹤电子科技有限公司 | Vehicle load monitoring system and monitoring method thereof |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111627225B (en) * | 2020-07-30 | 2020-10-30 | 杭州智诚惠通科技有限公司 | Multi-dimensional judgment method for type of axle facing nuclear load monitoring in substation |
| CN112763039B (en) * | 2020-12-30 | 2023-07-18 | 北京万集科技股份有限公司 | Dynamic weighing device and weighing method thereof |
| CN112763038B (en) * | 2020-12-30 | 2023-07-18 | 北京万集科技股份有限公司 | Dynamic weighing device and weighing method thereof |
| DE102021212693A1 (en) * | 2021-11-11 | 2023-05-11 | Robert Bosch Gesellschaft mit beschränkter Haftung | Device and method for detecting a vehicle and charging station for an electric vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06117909A (en) * | 1992-10-01 | 1994-04-28 | Kamachiyou Seiko Kk | Apparatus for measuring weight of running vehicle |
| US6084412A (en) * | 1997-03-24 | 2000-07-04 | The Johns Hopkins University | Imaging objects in a dissipative medium by nearfield electromagnetic holography |
| CN101105411A (en) * | 2007-08-10 | 2008-01-16 | 中国航天科技集团公司第四研究院第四十四研究所 | Self-adaptive filtering method of dynamic axle weighing signal of vehicle |
| CN201344833Y (en) * | 2008-11-25 | 2009-11-11 | 无锡虹业自动化工程有限公司 | Vehicle-weigh and axle-weight dynamic weighing system |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5002141A (en) * | 1989-12-08 | 1991-03-26 | Toledo Scale Corporation | Vehicle weighing in motion apparatus and method |
| US5490063A (en) * | 1994-02-07 | 1996-02-06 | Eaton Corporation | Control method/system including determination of an updated value indicative of gross combination weight of vehicles |
| JP2000132788A (en) * | 1998-10-26 | 2000-05-12 | Japan Aviation Electronics Industry Ltd | Vehicle entering/leaving control system |
| JP2000149184A (en) * | 1998-11-10 | 2000-05-30 | Nippon Dainamatto Kk | Overloading control unit |
| JP2002183882A (en) * | 2000-12-12 | 2002-06-28 | Mitsubishi Heavy Ind Ltd | Overloaded vehicle detecting system |
| JP2003027983A (en) * | 2001-07-03 | 2003-01-29 | Robert Bosch Gmbh | Method and system for limiting speed and determining self-standing support force in vehicle |
| CN2738335Y (en) * | 2004-06-11 | 2005-11-02 | 北京科技大学 | Metal thin film magneto-resistance type detector for vehicle |
| CN1667374A (en) * | 2005-04-07 | 2005-09-14 | 上海交通大学 | Automatic identification system for vehicle overload |
| US8322203B2 (en) * | 2006-09-19 | 2012-12-04 | Ventech Gmbh | Method for the automatic identification of a type of vehicle on a test stand |
| CN100458867C (en) * | 2007-04-17 | 2009-02-04 | 中国科学院计算技术研究所 | Method and device for implementing classification of vehicle and bicycle |
| CN101603852B (en) * | 2008-11-25 | 2011-11-09 | 无锡虹业自动化工程有限公司 | Truck scale dynamic axle weighing system |
| CN102289939A (en) * | 2011-07-05 | 2011-12-21 | 北京航空航天大学 | Vehicle/traffic flow detection method based on three-axle magnetoresistive sensor |
| KR101317346B1 (en) * | 2012-01-09 | 2013-10-11 | 주식회사 마고테크놀러지 | Vehicle Detecting Sensor Comprising Geomagnetic Sensor Apparatus which Eliminates Shielding Effect by Using Magnetic Biasing |
| CN102901550B (en) * | 2012-11-15 | 2014-08-13 | 陕西电器研究所 | Method for implementing vehicle-mounted dynamic weighing |
| CN103196600A (en) * | 2013-03-14 | 2013-07-10 | 福建省计量科学研究院 | Mathematical temperature compensation method of strain type load sensor |
| CN103196530B (en) * | 2013-04-24 | 2015-12-02 | 郑州衡量电子科技有限公司 | Vehicle dynamic weighing system and weighing method thereof |
| CN104422501B (en) * | 2013-08-22 | 2017-03-29 | 常州艾斯派尔电气科技有限公司 | A kind of weighing system and method for work for being suitable to type of vehicle differentiation |
-
2013
- 2013-08-22 CN CN201310369436.3A patent/CN104422501B/en active Active
- 2013-08-22 CN CN201611255853.5A patent/CN106482816B/en not_active Expired - Fee Related
- 2013-08-22 CN CN201611254887.2A patent/CN106768229B8/en active Active
- 2013-08-22 CN CN201611257339.5A patent/CN106600970B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06117909A (en) * | 1992-10-01 | 1994-04-28 | Kamachiyou Seiko Kk | Apparatus for measuring weight of running vehicle |
| US6084412A (en) * | 1997-03-24 | 2000-07-04 | The Johns Hopkins University | Imaging objects in a dissipative medium by nearfield electromagnetic holography |
| CN101105411A (en) * | 2007-08-10 | 2008-01-16 | 中国航天科技集团公司第四研究院第四十四研究所 | Self-adaptive filtering method of dynamic axle weighing signal of vehicle |
| CN201344833Y (en) * | 2008-11-25 | 2009-11-11 | 无锡虹业自动化工程有限公司 | Vehicle-weigh and axle-weight dynamic weighing system |
Non-Patent Citations (1)
| Title |
|---|
| 郝亮等: "便携式车辆动态称重系统的设计", 《测量与设备》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106600970A (en) * | 2013-08-22 | 2017-04-26 | 蔡留凤 | Weighing system for judging vehicle type and overload |
| CN106600970B (en) * | 2013-08-22 | 2019-03-19 | 浙江东鼎电子股份有限公司 | Suitable for the weighing system for differentiating type of vehicle, judging whether overload |
| CN110992701A (en) * | 2019-11-08 | 2020-04-10 | 北京万集科技股份有限公司 | Vehicle overrun detection system |
| CN114018381A (en) * | 2021-12-07 | 2022-02-08 | 南京智鹤电子科技有限公司 | Vehicle load monitoring system and monitoring method thereof |
| CN114018381B (en) * | 2021-12-07 | 2024-02-27 | 南京智鹤电子科技有限公司 | Vehicle load monitoring system and monitoring method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106482816B (en) | 2019-02-12 |
| CN106768229B (en) | 2019-03-12 |
| CN106600970A (en) | 2017-04-26 |
| CN106600970B (en) | 2019-03-19 |
| CN106768229A (en) | 2017-05-31 |
| CN106482816A (en) | 2017-03-08 |
| CN104422501B (en) | 2017-03-29 |
| CN106768229B8 (en) | 2019-04-19 |
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