CN110440888A - Automatic judgment method and device for stable state of truck scale - Google Patents
Automatic judgment method and device for stable state of truck scale Download PDFInfo
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- CN110440888A CN110440888A CN201910649259.1A CN201910649259A CN110440888A CN 110440888 A CN110440888 A CN 110440888A CN 201910649259 A CN201910649259 A CN 201910649259A CN 110440888 A CN110440888 A CN 110440888A
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000005303 weighing Methods 0.000 claims abstract description 135
- 230000002159 abnormal effect Effects 0.000 claims abstract description 19
- 238000005259 measurement Methods 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 6
- 238000012544 monitoring process Methods 0.000 claims abstract description 4
- 230000000087 stabilizing effect Effects 0.000 claims description 119
- 230000000903 blocking effect Effects 0.000 claims description 19
- 230000006641 stabilisation Effects 0.000 claims description 12
- 238000011105 stabilization Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 abstract description 5
- 230000006870 function Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000012790 confirmation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- 238000012797 qualification Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
-
- 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
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
- G01V8/20—Detecting, e.g. by using light barriers using multiple transmitters or receivers
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Abstract
The embodiment of the invention provides a method and a device for automatically judging the stable state of a truck scale, wherein the device comprises the following steps: the position detection module is used for monitoring position data of a target vehicle on the truck scale; the weighing module is used for weighing a target vehicle on the truck scale to obtain weighing data; the PLC module is used for receiving the position data and generating a position stability judging signal; receiving the weighing data and generating a weight stability judging signal; and the metering system is used for judging whether the target vehicle reaches a stable state or not according to the position stability judging signal and the weight stability judging signal, generating a weighing condition qualified signal to prompt a user to enter a metering process when the target vehicle reaches the stable state, and generating a weighing condition abnormal signal to prompt the user to adjust the vehicle state until the target vehicle reaches the stable state when the target vehicle does not reach the stable state. The invention solves the problems that the current automobile scale consumes time and labor for measurement, and the accuracy of measurement data cannot be ensured.
Description
Technical field
The present invention relates to truck scale technical fields, in particular to a kind of truck scale stable state automatic judging method
And device.
Background technique
Existing truck scale metering at present is that manual operation or semi-automatic combination are manually measured, vehicle when metering
Position and the confirmation that calculates the weight are completely in accordance with artificial intuitive judgment, and there are biggish subjectivities.Meanwhile it being also difficult to
The case where completely not upper weighing apparatus of automobile, front truck or rear car weigh with combined pressure out, and there are the cheatings such as artificial pressing action on vehicle.
Therefore, current truck scale metering method not only expends time, manpower, but also is difficult to ensure the standard of continuous data
True property.
Summary of the invention
In view of this, the embodiment of the present invention is designed to provide a kind of truck scale stable state automatic judging method and dress
It sets, solves the metering of current truck scale and expend time and manpower, and the problem of the accuracy of continuous data not can guarantee.
In a first aspect, the application is provided the following technical solutions by an embodiment:
A kind of truck scale stable state automatic-decision device, comprising:
The upper weighing apparatus position and lower weighing apparatus position of truck scale is arranged in, for monitoring the target on truck scale in position detecting module
The position data of vehicle；Weighing module is connect with the truck scale, for the target vehicle being located on the truck scale
It weighs, obtains weighing data；PLC module is connect, for receiving with the position detecting module and the Weighing module
Position data is stated, and stabilizing determination signal in position is generated based on the position data, the position stabilization signal is for indicating institute
Whether the position for stating target vehicle is stable；And the weighing data is received, and weight is generated based on the weighing data and is stablized
Differentiate signal, the weight stabilizing determination signal is for indicating whether the weight of the target vehicle is stable；Metering system, with
PLC module connection, for judging the target carriage according to the position stabilizing determination signal and the weight stabilizing determination signal
Whether reach stable state, when the target vehicle reaches stable state, generates weighing condition qualifying signal to prompt to use
Family enters measurement flow, when the target vehicle is not up to stable state, generates weighing condition abnormal signal to prompt user
Adjustment vehicle-state is until the target vehicle reaches stable state.
Preferably, the position detecting module, comprising:
First infrared shooting device is mounted on the front two sides of the truck scale, for detecting the front of the truck scale
With the presence or absence of blocking, first position data are obtained；Second infrared shooting device is mounted on the rear two sides of the truck scale, uses
In the rear for detecting the truck scale with the presence or absence of blocking, second position data are obtained；The PLC module, also particularly useful for working as
The first position data indicate that there is no block and the second position data indicate the automobile for the front of the truck scale
It is used there is no first position stabilizing determination subsignal, the first position stabilizing determination subsignal when blocking, is generated at the rear of weighing apparatus
Stablize in the position for indicating the target vehicle；Otherwise, second position stabilizing determination subsignal is generated, the second position is stablized
Differentiate subsignal for indicating that the position of the target vehicle is unstable.
Preferably, the PLC module, also particularly useful for:
Receive the weighing data, when the weighing data fluctuate within a preset range and the weighing data be greater than it is default
When weight, the first weight stabilizing determination subsignal is generated, the first weight stabilizing determination subsignal is for indicating the target
The weight of vehicle is stablized；Otherwise, the second weight stabilizing determination subsignal is generated, the second weight stabilizing determination subsignal is used for
Indicate that the weight of the target vehicle is unstable.
Preferably, further includes:
Data module, the PLC module are connect with the metering system by the data module, the rheme for receiving
Stabilizing determination signal and the weight stabilizing determination signal are set, and the position stabilizing determination signal and weight stabilization are sentenced
Level signal is written into point table, to pass to the metering system.
Preferably, the data module, is also used to:
The weighing condition qualifying signal and the weighing condition abnormal signal that the metering system generates are received, and will
The weighing condition qualifying signal and the weighing condition abnormal signal pass to the PLC module, so that the PLC module base
The first prompt information is exported to prompt user to enter measurement flow, so that the PLC module in the weighing condition qualifying signal
The second prompt information is exported based on the weighing condition abnormal signal, to prompt user to continue to adjust target vehicle.
Second aspect, based on the same inventive concept, the application are provided the following technical solutions by an embodiment:
A kind of truck scale stable state automatic judging method is applied to device as claimed in any one of claims 1 to 5, described
Method includes:
Obtain the position data of the target vehicle on truck scale；The target vehicle being located on the truck scale is carried out
Weighing obtains weighing data；Position stabilizing determination signal is generated based on the position data, the position stabilization signal is used for table
Show whether the position of the target vehicle is stable；Weight stabilizing determination signal is generated based on the weighing data, the weight is steady
Differentiate signal for indicating whether the weight of the target vehicle is stable surely；According to the position stabilizing determination signal with it is described heavy
Stabilizing determination signal is measured, judges whether the target vehicle reaches stable state；Wherein, reach stable shape in the target vehicle
When state, weighing condition qualifying signal is generated to prompt user to enter measurement flow；Stable state is not up in the target vehicle
When, weighing condition abnormal signal is generated to prompt user to adjust vehicle-state until the target vehicle reaches stable state.
Preferably, the position data for obtaining the target vehicle on truck scale, comprising:
The front of the truck scale is detected with the presence or absence of blocking, obtains first position data；After detecting the truck scale
Side obtains second position data with the presence or absence of blocking；When the first position data indicate that the front of the truck scale is not present
It blocks and the second position data indicates that there is no when blocking, it is sub to generate first position stabilizing determination for the rear of the truck scale
Signal, the first position stabilizing determination subsignal are used to indicate that the position of the target vehicle to be stablized；Otherwise, second is generated
Stabilizing determination subsignal is set, the second position stabilizing determination subsignal is for indicating that the position of the target vehicle is unstable.
Preferably, described that weight stabilizing determination signal, the weight stabilizing determination signal are generated based on the weighing data
Whether the weight for indicating the target vehicle is stable, specifically includes:
When the weighing data fluctuates within a preset range and the weighing data is greater than preset weight, the first weight is generated
Stabilizing determination subsignal is measured, the first weight stabilizing determination subsignal is used to indicate that the weight of the target vehicle to be stablized；It is no
Then, the second weight stabilizing determination subsignal is generated, the second weight stabilizing determination subsignal is for indicating the target vehicle
Weight it is unstable.
Preferably, described according to the position stabilizing determination signal and the weight stabilizing determination signal, described in judgement
Whether target vehicle reaches before stable state, further includes:
The position stabilizing determination signal and the weight stabilizing determination signal are written into point table.
Preferably, described according to the position stabilizing determination signal and the weight stabilizing determination signal, described in judgement
Whether target vehicle reaches after stable state, further includes:
The first prompt information is exported based on the weighing condition qualifying signal, to prompt user to enter measurement flow；It is based on
The weighing condition abnormal signal exports the second prompt information, to prompt user to continue to adjust target vehicle.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
A kind of truck scale stable state automatic-decision device provided by the invention, obtains positional number by position detecting module
Confirmation detection is carried out to the relative position of target vehicle and truck scale accordingly, by Weighing module to the weighing data of target vehicle
It is determined.Then position data and weighing data are transferred to PLC module and carry out signal conversion, position data is converted into use
In the position stabilizing determination the signal whether position of expression target vehicle is stable；Weighing data is converted to and is used to indicate target carriage
The whether stable weight stabilizing determination signal of weight, guarantee that metering system can be directly automatically by position stabilizing determination signal
Judged with whether weight stabilizing determination signal progress target vehicle reaches stable state.Meanwhile and due to target vehicle
Stable state is determined jointly by position stabilizing determination signal and weight stabilizing determination signal, it is ensured that target vehicle is in automobile
Positional accuracy on weighing apparatus can avoid the occurrence of weighing is practised fraud；Target ensure that by the judgement of weighing data simultaneously
The weighing of vehicle is carried out in the case where weight does not generate excessive fluctuation, it is ensured that it is accurate that target vehicle metering is weighed
Property, it is weighed by the metering that the cooperation of position detecting module, Weighing module, PLC module and metering system realizes automation,
Human resources are saved, weighing efficiency is improved.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of structural block diagram for truck scale stable state automatic-decision device that first embodiment of the invention provides；
Fig. 2 is the content schematic diagram of first embodiment of the invention point table；
Fig. 3 is a kind of flow chart for truck scale stable state automatic judging method that second embodiment of the invention provides.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile of the invention
In description, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
First embodiment
Fig. 1 is please referred to, a kind of truck scale stable state automatic-decision device 100 is provided in the present embodiment, described device,
It include: position detecting module, Weighing module, PLC module 200, data module 30 and metering system 40.
Position detecting module may be provided at the upper of truck scale for monitoring the position data of the target vehicle on truck scale
Weighing apparatus position and lower weighing apparatus position；Infrared shooting device can be used in the present embodiment and carry out position detection, ultrasonic radar can also be used
Position detection is carried out, with no restriction.
Specifically, position detecting module can include: the first infrared shooting device 11 is mounted on the front two of the truck scale
Side, the front for detecting the truck scale obtain first position data with the presence or absence of blocking；Second infrared shooting device 12,
The rear two sides of the truck scale are mounted on, the rear for detecting the truck scale obtains the second position with the presence or absence of blocking
Data.It, can be indirectly to target by determining whether the first infrared shooting device 11 is blocked with the second infrared shooting device 12
The real time position of vehicle is detected, and target vehicle completely not upper the case where weighing is avoided.First position data can indicate
Whether one infrared shooting device 11 is blocked；Second position data can indicate whether the second infrared shooting device 12 is blocked.
For example, infrared shooting device will be blocked when target vehicle not upper weighing apparatus completely, when previous vehicle of target vehicle
Or latter vehicle can also block infrared shooting device when being pressed on truck scale, situation as above indicates that the position of target vehicle does not conform to
Reason is unable to get down accurately metering weighing results in the position.
Target vehicle, for the vehicle for carrying out metering weighing.
Weighing module is connect with the truck scale, for claiming to the target vehicle being located on the truck scale
Weight obtains weighing data；The weighing instrument 50 that the Weighing module can have data-out port for one, such as the weighing instrument 50
Signal transmission can be carried out by RS232 module 23.
PLC module 200 (Programmable Logic Controller, PLC), with the position detecting module and institute
State Weighing module connection, can be specially a PLC system, it may include it is following any one or more:
Power module, processing module 22, digital quantity input module 21, digital output module, Analog input mModule, mould
Analog quantity output module, high speed counting module, communication module, digital quantity input/output module, analog input and output module etc., no
It is restricted.
DI (Digital in) digital quantity input module 21 integrated in PLC module 200 can be with the first infrared shooting device
11, the second infrared shooting device 12 is connected, weighing instrument 50 is connected, to receive corresponding output data.
PLC module 200 generates position stabilizing determination letter for receiving the position data, and based on the position data
Number, the position stabilization signal is for indicating whether the position of the target vehicle is stable.
For example, the place when PLC module 200 receives the output position data of position detecting module, in PLC module 200
The position data can be converted to the position stabilizing determination signal for indicating whether target vehicle location status is stable by reason module 22.Tool
Body, for indicating that there is no block and the second position tables of data for the front of the truck scale when the first position data
Show that the rear of the truck scale is sentenced there is no first position stabilizing determination subsignal, the first position stabilization when blocking, is generated
Small pin for the case signal is used to indicate that the position of the target vehicle to be stablized；Otherwise, second position stabilizing determination subsignal is generated, described the
Two position stabilizing determination subsignals are for indicating that the position of the target vehicle is unstable.
For example, the first position data and second position data that receive when PLC module 200 are 0 (expression is not blocked)
When, PLC module 200 is corresponding at this time generates the position stabilizing determination signal 0 for indicating stable, and otherwise generating indicates unstable state
Signal 1.
PLC module 200 is also used to receive the weighing data, and generates weight stabilizing determination based on the weighing data
Signal, the weight stabilizing determination signal is for indicating whether the weight of the target vehicle is stable；Specifically, for receiving institute
Weighing data is stated, when the weighing data fluctuates within a preset range and the weighing data is greater than preset weight, generates the
One weight stabilizing determination subsignal, the first weight stabilizing determination subsignal is for indicating that the weight of the target vehicle is steady
It is fixed；Otherwise, the second weight stabilizing determination subsignal is generated, the second weight stabilizing determination subsignal is for indicating the target
The weight of vehicle is unstable.
Wherein, Weighing module can be a weighing apparatus sensor, and preset range can be the weighing number of the output of the weighing apparatus sensor
Stablize according within 1-2 scale division value.The metering weighing that can guarantee target vehicle is in the case where external condition is opposing stationary
It carries out, for example, the movable meeting of being is so that the large-scale wave of weighing data when the contained cargo of target vehicle is being
Dynamic, if not being monitored at this time to the fluctuation of weighing data, the weighing data measured in the case where wide fluctuations will
There can be biggish error, it is unreliable.
Further, weighing data should be greater than preset weight, can prevent non-targeted vehicles or pedestrians etc. from triggering truck scale,
It results in waste of resources.Wherein, preset weight should be wanted to approach with the nt wt net weight of target vehicle, for example, can for 1 ton, 1.2 tons,
It 1.3 tons etc., can be set according to actual conditions.
Further, the position stabilizing determination signal and weight stabilizing determination signal being converted to by PLC module 200 are equal
It can be transmitted and be saved by data module 30.
Data module 30, the PLC module are connect with the metering system by the data module, can be counted in real time for one
According to library.
Referring to Fig. 2, the data module 30 can be used for receiving the position stabilizing determination signal and weight stabilization is sentenced
Level signal, and the position stabilizing determination signal and the weight stabilizing determination signal are written into point table, to pass to
The metering system 40.Wherein, point table is the structure table in real-time data base, for storing, forwarding PLC point information shape
State.For example, in point table, metering system 40 detects in address field the corresponding state value of M2.0 just by MODBUS interface protocol
Whether stable it can get position stabilizing determination signal, 1 indicates stable state, and 0 indicates unstable state；Other address fields are with such
It pushes away.Wherein, MODBUS interface primary recipient numeral input/output and numerical value.Pass through the setting of point table, it is ensured that status signal
Unification, improve metering system 40 reading efficiency, and simplify deterministic process, improve reliability.
Metering system 40, metering system 40 are connect with PLC module 200.
Metering system 40, for judging institute according to the position stabilizing determination signal and the weight stabilizing determination signal
State whether target vehicle reaches stable state；Wherein, the metering system 40 is also used to reach stable shape in the target vehicle
When state, weighing condition qualifying signal is generated to prompt user to enter measurement flow；The metering system 40 is also used in the mesh
When mark vehicle is not up to stable state, weighing condition abnormal signal is generated to prompt user to adjust vehicle-state until the target
Vehicle reaches stable state.
Further, data module 30 is also used to receive the weighing condition qualification letter that the metering system 40 generates
Number, the first prompt information of output is carried out to pass to the PLC module 200 to prompt user to enter measurement flow.Data module
30 are also used to receive the weighing condition abnormal signal that the metering system 40 generates, with pass to the PLC module 200 into
Row the second prompt information of output is to prompt user to continue to adjust target vehicle.Specifically, including ADO group in data module 30
Part, the ADO component is for receiving string variable, the weighing condition qualifying signal for being generated metering system 40 by ADO component
Identifiable prompt field is converted into weighing condition abnormal signal.Further, it is qualified to receive weighing condition for data module 30
After signal or weight condition abnormal signal, signal can be passed to PLC module 200；The used preset RS485 of PLC module 200
Module is by the voice of signal transmission truck scale scene setting or screen display device etc., to user (driver, site works personnel
Deng) reminded.
For example, when metering system 40 generates weighing condition qualifying signal, it can be by ADO component, PLC module 200 to now
Voice or screen display device output " after asking driver to get off and swipe the card, into automatic access measurement flow ".Work as metering system
It, can be defeated by the voice or screen display device of ADO component, PLC module 200 to scene when 40 generation weighing condition abnormal signal
" weighing condition is not met, weighing apparatus please be descend to handle " out, until reaching stable state (generating weighing condition qualifying signal), has weighing
The premise of metering.
A kind of truck scale stable state automatic-decision device provided by the invention, obtains positional number by position detecting module
Confirmation detection is carried out to the relative position of target vehicle and truck scale accordingly, by Weighing module to the weighing data of target vehicle
It is determined.Then position data and weighing data are transferred to PLC module and carry out signal conversion, position data is converted into use
In the position stabilizing determination the signal whether position of expression target vehicle is stable；Weighing data is converted to and is used to indicate target carriage
The whether stable weight stabilizing determination signal of weight, guarantee that metering system can be directly automatically by position stabilizing determination signal
Judged with whether weight stabilizing determination signal progress target vehicle reaches stable state.Meanwhile and due to target vehicle
Stable state is determined jointly by position stabilizing determination signal and weight stabilizing determination signal, it is ensured that target vehicle is in automobile
Positional accuracy on weighing apparatus can avoid the occurrence of weighing is practised fraud；Target ensure that by the judgement of weighing data simultaneously
The weighing of vehicle is carried out in the case where weight does not generate excessive fluctuation, it is ensured that it is accurate that target vehicle metering is weighed
Property, it is weighed by the metering that the cooperation of position detecting module, Weighing module, PLC module and metering system realizes automation,
Human resources are saved, weighing efficiency is improved.
Second embodiment
Referring to Fig. 3, providing a kind of truck scale stable state automatic judging method in the present embodiment, this method can be applied
Device described in first embodiment, which comprises
Step S10: the position data of the target vehicle on truck scale is obtained；
Step S20: weighing to the target vehicle being located on the truck scale, obtains weighing data；
Step S30: stabilizing determination signal in position is generated based on the position data, the position stabilization signal is for indicating
Whether the position of the target vehicle is stable；
Step S40: weight stabilizing determination signal is generated based on the weighing data, the weight stabilizing determination signal is used for
Indicate whether the weight of the target vehicle is stable；
Step S50: according to the position stabilizing determination signal and the weight stabilizing determination signal, judge the target carriage
Whether reach stable state；Wherein, when the target vehicle reaches stable state, weighing condition qualifying signal is generated to mention
Show that user enters measurement flow；When the target vehicle is not up to stable state, weighing condition abnormal signal is generated to prompt
User adjusts vehicle-state until the target vehicle reaches stable state.
As an alternative embodiment, the position data for obtaining the target vehicle on truck scale, comprising:
The front of the truck scale is detected with the presence or absence of blocking, obtains first position data；After detecting the truck scale
Side obtains second position data with the presence or absence of blocking；When the first position data indicate that the front of the truck scale is not present
It blocks and the second position data indicates that there is no when blocking, it is sub to generate first position stabilizing determination for the rear of the truck scale
Signal, the first position stabilizing determination subsignal are used to indicate that the position of the target vehicle to be stablized；Otherwise, second is generated
Stabilizing determination subsignal is set, the second position stabilizing determination subsignal is for indicating that the position of the target vehicle is unstable.
As an alternative embodiment, described generate weight stabilizing determination signal based on the weighing data, it is described
Weight stabilizing determination signal is for indicating whether the weight of the target vehicle is stable, specifically includes:
When the weighing data fluctuates within a preset range and the weighing data is greater than preset weight, the first weight is generated
Stabilizing determination subsignal is measured, the first weight stabilizing determination subsignal is used to indicate that the weight of the target vehicle to be stablized；It is no
Then, the second weight stabilizing determination subsignal is generated, the second weight stabilizing determination subsignal is for indicating the target vehicle
Weight it is unstable.
As an alternative embodiment, being sentenced described according to the position stabilizing determination signal and weight stabilization
Level signal, before judging whether the target vehicle reaches stable state, further includes:
The position stabilizing determination signal and the weight stabilizing determination signal are written into point table.
As an alternative embodiment, being sentenced described according to the position stabilizing determination signal and weight stabilization
Level signal, after judging whether the target vehicle reaches stable state, further includes:
The first prompt information is exported based on the weighing condition qualifying signal, to prompt user to enter measurement flow；
The second prompt information is exported based on the weighing condition abnormal signal, to prompt user to continue to adjust target vehicle.
In several embodiments provided herein, it should be understood that disclosed device and method can also pass through
Other modes are realized.The apparatus embodiments described above are merely exemplary, for example, flow chart and block diagram in attached drawing
Show the device of multiple embodiments according to the present invention, the architectural framework in the cards of method and computer program product,
Function and operation.In this regard, each box in flowchart or block diagram can represent the one of a module, section or code
Part, a part of the module, section or code, which includes that one or more is for implementing the specified logical function, to be held
Row instruction.It should also be noted that function marked in the box can also be to be different from some implementations as replacement
The sequence marked in attached drawing occurs.For example, two continuous boxes can actually be basically executed in parallel, they are sometimes
It can execute in the opposite order, this depends on the function involved.It is also noted that every in block diagram and or flow chart
The combination of box in a box and block diagram and or flow chart can use the dedicated base for executing defined function or movement
It realizes, or can realize using a combination of dedicated hardware and computer instructions in the system of hardware.
In addition, each functional module in each embodiment of the present invention can integrate one independent portion of formation together
Point, it is also possible to modules individualism, an independent part can also be integrated to form with two or more modules.
If the method function in the present invention is realized in the form of software function module and as independent product pin
It sells or in use, can store in a computer readable storage medium.Based on this understanding, technical side of the invention
Substantially the part of the part that contributes to existing technology or the technical solution can be with the shape of software product in other words for case
Formula embodies, which is stored in a storage medium, including some instructions are used so that a calculating
Machine equipment (can be personal computer, server or the network equipment etc.) executes each embodiment the method for the present invention
All or part of the steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey
The medium of sequence code.It should be noted that, in this document, relational terms such as first and second and the like are used merely to one
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should also be noted that similar label and letter exist
Similar terms are indicated in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and explained.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of truck scale stable state automatic-decision device characterized by comprising
The upper weighing apparatus position and lower weighing apparatus position of truck scale is arranged in, for monitoring the target vehicle on truck scale in position detecting module
Position data；
Weighing module is connect with the truck scale, for weighing to the target vehicle being located on the truck scale, is obtained
Obtain weighing data；
PLC module is connect with the position detecting module and the Weighing module, for receiving the position data, and is based on
The position data generates position stabilizing determination signal, and the position stabilization signal is used to indicate that the position of the target vehicle to be
No stabilization；And the weighing data being received, and weight stabilizing determination signal is generated based on the weighing data, the weight is steady
Differentiate signal for indicating whether the weight of the target vehicle is stable surely；
Metering system is connect with PLC module, for being believed according to the position stabilizing determination signal and the weight stabilizing determination
Number, judge whether the target vehicle reaches stable state, when the target vehicle reaches stable state, generates weighing condition
Qualifying signal is to prompt user to enter measurement flow, and when the target vehicle is not up to stable state, it is different to generate weighing condition
Regular signal is to prompt user to adjust vehicle-state until the target vehicle reaches stable state.
2. the apparatus according to claim 1, which is characterized in that the position detecting module, comprising:
First infrared shooting device is mounted on the front two sides of the truck scale, for detect the truck scale front whether
In the presence of blocking, first position data are obtained；
Second infrared shooting device is mounted on the rear two sides of the truck scale, for detect the truck scale rear whether
In the presence of blocking, second position data are obtained；
The PLC module, also particularly useful for when the first position data indicate the front of the truck scale there is no blocking and
The second position data indicate that the rear of the truck scale there is no when blocking, generates first position stabilizing determination subsignal,
The first position stabilizing determination subsignal is used to indicate that the position of the target vehicle to be stablized；Otherwise, it is steady to generate the second position
Surely differentiate subsignal, the second position stabilizing determination subsignal is for indicating that the position of the target vehicle is unstable.
3. the apparatus according to claim 1, which is characterized in that the PLC module, also particularly useful for:
Receive the weighing data, when the weighing data fluctuate within a preset range and the weighing data be greater than preset weight
When, the first weight stabilizing determination subsignal is generated, the first weight stabilizing determination subsignal is for indicating the target vehicle
Weight stablize；Otherwise, the second weight stabilizing determination subsignal is generated, the second weight stabilizing determination subsignal is for indicating
The weight of the target vehicle is unstable.
4. the apparatus according to claim 1, which is characterized in that further include:
Data module, the PLC module is connect with the metering system by the data module, steady for receiving the position
Surely differentiate signal and the weight stabilizing determination signal, and the position stabilizing determination signal and the weight stabilizing determination are believed
Number write-in into point table, to pass to the metering system.
5. device according to claim 4, which is characterized in that the data module is also used to:
The weighing condition qualifying signal and the weighing condition abnormal signal that the metering system generates are received, and will be described
Weighing condition qualifying signal and the weighing condition abnormal signal pass to the PLC module, so that the PLC module is based on institute
It states weighing condition qualifying signal and exports the first prompt information to prompt user to enter measurement flow, so that the PLC module is based on
The weighing condition abnormal signal exports the second prompt information, to prompt user to continue to adjust target vehicle.
6. a kind of truck scale stable state automatic judging method, which is characterized in that be applied to as claimed in any one of claims 1 to 5
Device, which comprises
Obtain the position data of the target vehicle on truck scale；
It weighs to the target vehicle being located on the truck scale, obtains weighing data；
Position stabilizing determination signal is generated based on the position data, the position stabilization signal is for indicating the target vehicle
Position it is whether stable；
Weight stabilizing determination signal is generated based on the weighing data, the weight stabilizing determination signal is for indicating the target
Whether the weight of vehicle is stable；
According to the position stabilizing determination signal and the weight stabilizing determination signal, judge whether the target vehicle reaches steady
Determine state；Wherein, when the target vehicle reaches stable state, weighing condition qualifying signal is generated in terms of prompting user to enter
Measure process；When the target vehicle is not up to stable state, weighing condition abnormal signal is generated to prompt user to adjust vehicle
State is until the target vehicle reaches stable state.
7. according to the method described in claim 6, it is characterized in that, the positional number for obtaining the target vehicle on truck scale
According to, comprising:
The front of the truck scale is detected with the presence or absence of blocking, obtains first position data；
The rear of the truck scale is detected with the presence or absence of blocking, obtains second position data；
When the first position data indicate that there is no block and the second position data indicate institute for the front of the truck scale
The rear of truck scale is stated there is no first position stabilizing determination subsignal when blocking, is generated, the first position stabilizing determination is sub
Signal is used to indicate that the position of the target vehicle to be stablized；
Otherwise, second position stabilizing determination subsignal is generated, the second position stabilizing determination subsignal is for indicating the mesh
The position for marking vehicle is unstable.
8. according to the method described in claim 6, it is characterized in that, described generate weight stabilizing determination based on the weighing data
Signal, the weight stabilizing determination signal is for indicating whether the weight of the target vehicle is stable, specifically includes:
When the weighing data fluctuates within a preset range and the weighing data is greater than preset weight, it is steady to generate the first weight
Surely differentiate that subsignal, the first weight stabilizing determination subsignal are used to indicate that the weight of the target vehicle to be stablized；
Otherwise, the second weight stabilizing determination subsignal is generated, the second weight stabilizing determination subsignal is for indicating the mesh
The weight for marking vehicle is unstable.
9. according to the method described in claim 6, it is characterized in that, it is described according to the position stabilizing determination signal with it is described
Weight stabilizing determination signal, before judging whether the target vehicle reaches stable state, further includes:
The position stabilizing determination signal and the weight stabilizing determination signal are written into point table.
10. according to the method described in claim 9, it is characterized in that, described according to the position stabilizing determination signal and institute
Weight stabilizing determination signal is stated, after judging whether the target vehicle reaches stable state, further includes:
The first prompt information is exported based on the weighing condition qualifying signal, to prompt user to enter measurement flow；
The second prompt information is exported based on the weighing condition abnormal signal, to prompt user to continue to adjust target vehicle.
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Application publication date: 20191112 |