CN203382392U - Wireless overload and unbalanced load measurement equipment - Google Patents
Wireless overload and unbalanced load measurement equipment Download PDFInfo
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- CN203382392U CN203382392U CN201320301213.9U CN201320301213U CN203382392U CN 203382392 U CN203382392 U CN 203382392U CN 201320301213 U CN201320301213 U CN 201320301213U CN 203382392 U CN203382392 U CN 203382392U
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- pulling force
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- unbalance loading
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Abstract
The utility model provides wireless overload and unbalanced load measurement equipment comprising a controller, a wireless communication module, a tension sensor interface and an isolation amplifier, wherein the tension sensor interface, the isolation amplifier and the controller are connected in sequence, the controller is connected with the wireless communication module, and the controller carries out filtering according to an amplified tension signal and calculates the tension data of each tension sensor, the total container gravity and the overload and unbalanced load condition data. The wireless overload and unbalanced load measurement equipment provided by the utility model can be installed at the middle part of a lifting and rotating device, measurement data are obtained through analysis of the tension sensor, wherein the measurement data comprise container gravity data, container gravity center data and overload and unbalanced load data analyzed by virtue of the container gravity and the container gravity center. The wireless overload and unbalanced load measurement equipment provided by the utility model can be used for finishing the overload and unbalanced load measurement in the loading process of a lift container and has the characteristics of convenience, quickness and low cost in the dynamic overload and unbalanced load measurement process of the container.
Description
Technical field
The utility model relates to super unbalance loading fields of measurement, particularly, relates to super unbalance loading wireless measurement equipment.
Background technology
In railway transportation, safety is the problem of the most important thing.As everyone knows, the super unbalance loading of vehicle is the important hidden danger of cargo security, wherein the particularly transportation of freight container.If there is no check implement, can't judge whether super unbalance loading, the accident caused thus is difficult to its reason of judgement.
To the measurement of overloading and unbalanced loading of container, two kinds of methods of Static and dynamic are arranged.The static measurement device, when reality is used, need to be sling freight container to be placed on weighing unit, is hung in vehicle after measurement again or piles up.Although the precision that this method is measured is higher, need more artificial and place etc., increased the flow process of Container Loading, also just increased cost.Therefore be necessary to design and a kind ofly can in the loading process of freight container of slinging, complete quickly and easily measurement, and lower-cost overloading and unbalanced loading of container dynamic measurement system.
The utility model content
For defect of the prior art, the purpose of this utility model is to provide a kind of super unbalance loading wireless measurement equipment.
According to an aspect of the present utility model, a kind of super unbalance loading wireless measurement equipment is provided, comprise controller, wireless communication module, pulling force sensor interface, isolated amplifier, pulling force sensor interface, isolated amplifier, controller connect successively, controller connects wireless communication module, wherein: the pulling force sensor interface receives the pulling force signal gathered by pulling force sensor, and the pulling force signal is sent to isolated amplifier; Isolated amplifier sends to controller after the pulling force signal is amplified; Controller carries out filtering according to the pulling force signal after amplifying, and calculate pulling force data that each pulling force sensor is subject to, freight container total force, and super unbalance loading situation data, the pulling force data then each pulling force sensor is subject to, freight container total force, reach super unbalance loading situation data and send to wireless communication module; Wireless communication module sends pulling force data that each pulling force sensor is subject to, freight container total force, and super unbalance loading situation data with wireless mode.
Preferably, also comprise a plurality of pulling force sensors, pulling force sensor connects the pulling force sensor interface.
Preferably, also comprise temperature sensor, controller connects temperature sensor, temperature sensor gathers current environmental temperature and also sends to controller, the pulling force data that controller is subject to each pulling force sensor according to current environmental temperature, freight container total force, and super unbalance loading situation data revised.
Preferably, the quantity of pulling force sensor is 4, and these 4 pulling force sensors are according to the array difference of two row two row, and correspondingly, the pulling force sensor interface comprises 4 road sensor interfaces.
Preferably, controller adopts STM32S215 Series MCU controller.
Preferably, controller adopts 32 Cortex-M3 microcontroller STM32F215RG.
Preferably, wireless communication module is the wifi communication module.
Compared with prior art, the super unbalance loading wireless measurement equipment that the utility model provides can be arranged on the middle part of lifting slewing arrangement, utilize the pulling force sensor analysis to obtain take off data, wherein take off data comprises freight container gravimetric data, freight container center of gravity data, reaches the super inclined to one side overload data that analyze by freight container gravity and center of gravity, then by the data display control module by take off data in the LCD screen display out.Can in the loading process of freight container of slinging, complete the measurement for super unbalance loading after application the utility model, there are convenient, fast, lower-cost characteristics in the dynamic measurement process of overloading and unbalanced loading of container.
The accompanying drawing explanation
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present utility model will become:
The structural representation of the super unbalance loading wireless measurement equipment provided according to the utility model is provided Fig. 1;
Fig. 2 illustrates the overloading and unbalanced loading of container computation model.
In figure:
1 is PC;
2 is super unbalance loading wireless measurement equipment;
21 is pulling force sensor;
22 is the pulling force sensor interface;
23 is isolated amplifier;
24 is controller;
25 is wireless communication module;
26 is temperature sensor;
3 is the data display control unit.
The specific embodiment
Below in conjunction with specific embodiment, the utility model is elaborated.Following examples will contribute to those skilled in the art further to understand the utility model, but not limit in any form the utility model.It should be pointed out that to those skilled in the art, without departing from the concept of the premise utility, can also make some distortion and improvement.These all belong to protection domain of the present utility model.
The super unbalance loading wireless measurement equipment provided according to the utility model, comprise controller, wireless communication module, pulling force sensor interface, isolated amplifier, pulling force sensor interface, isolated amplifier, controller connect successively, controller connects wireless communication module, wherein: the pulling force sensor interface receives the pulling force signal gathered by pulling force sensor, and the pulling force signal is sent to isolated amplifier; Isolated amplifier sends to controller after the pulling force signal is amplified; Controller carries out filtering according to the pulling force signal after amplifying, and calculate pulling force data that each pulling force sensor is subject to, freight container total force, and super unbalance loading situation data, the pulling force data then each pulling force sensor is subject to, freight container total force, reach super unbalance loading situation data and send to wireless communication module; Wireless communication module sends pulling force data that each pulling force sensor is subject to, freight container total force, and super unbalance loading situation data with wireless mode.
Particularly, controller adopts STM32S215 Series MCU controller, especially can adopt 32 Cortex-M3 microcontroller STM32F215RG.32 Cortex-M3 microcontroller STM32F215RG have 1M byte flash, 128 byte SRAM and abundant peripheral functionality.Coordinate the embedded WIFI firmware of mxchip, the user can facilitate, and increases the WIFI network communicating function for embedded device rapidly.6 road ADC passages can be as pulling force sensor and temperature sensor input interface, and chip meets under the industrial grade environment and uses simultaneously.This controller comprises following peripheral hardware:
● 26 GPIO mouths.
● 2 uart interfaces.
● 1 spi/iis interface.
● 6 ADC input channels.
● 1 USB interface.
● 2 CAN interfaces.
● 1 IIC interface.
● the SWD debugging interface.
Further, described super unbalance loading wireless measurement equipment also comprises a plurality of pulling force sensors, temperature sensor, wherein, pulling force sensor connects the pulling force sensor interface, controller connects temperature sensor, temperature sensor gathers current environmental temperature and also sends to controller, the pulling force data that controller is subject to each pulling force sensor according to current environmental temperature, freight container total force, and super unbalance loading situation data revised.Further, the quantity of pulling force sensor is 4, and these 4 pulling force sensors are according to the array difference of two row two row, and correspondingly, the pulling force sensor interface comprises 4 road sensor interfaces.Wireless communication module is the wifi communication module.
In application the utility model provides preferred specific embodiment of overloading and unbalanced loading of container checking system of super unbalance loading wireless measurement equipment, as shown in Figure 1, the overloading and unbalanced loading of container checking system, comprise pulling force sensor, temperature sensor, super unbalance loading wireless measurement equipment, data display control unit, lifting slewing arrangement, PC.Particularly, the quantity of pulling force sensor is a plurality of, pulling force sensor, super unbalance loading wireless measurement equipment, data display control unit connect successively, super unbalance loading wireless measurement equipment comprises multichannel pulling force sensor interface, multichannel pulling force sensor interface connects respectively corresponding pulling force sensor, and the data display control unit comprises telltale.
Wherein, pulling force sensor is gathered and is sent to super unbalance loading measuring and analysis system to the Container Weight data, super unbalance loading measuring and analysis system calculates according to the Container Weight data pulling force, freight container total force, the super inclined to one side overload data that each pulling force sensor is subject to, and the pulling force that each pulling force sensor is subject to, freight container total force, super inclined to one side overload data send to the data display control unit, the pulling force that the data display control unit is subject to each pulling force sensor, freight container total force, super inclined to one side overload data are shown by telltale.Super unbalance loading wireless measurement equipment connection temperature sensor, temperature sensor sends to super unbalance loading wireless measurement equipment by the current environmental temperature collected, and super unbalance loading wireless measurement equipment is removed the environmental error in pulling force that each pulling force sensor is subject to, freight container total force, super inclined to one side overload data according to current environmental temperature.PC connects super unbalance loading wireless measurement equipment and/or data display control unit, and PC is used for data demonstration, data backup, reaches report printing.
The lifting slewing arrangement that will be integrated with pulling force sensor in the utility model has been replaced traditional lifting slewing arrangement, is specially: pulling force sensor is arranged on the lifting slewing arrangement, and super unbalance loading wireless measurement equipment is arranged at the lifting slewing arrangement; Preferably, at four jiaos that lift by crane slewing arrangement, be respectively arranged with pulling force sensor, the quantity of described pulling force sensor is 4, and these 4 pulling force sensors are according to the array distribution of two row two row, and super unbalance loading wireless measurement equipment is arranged at the middle part of lifting slewing arrangement.Correspondingly, super unbalance loading wireless measurement equipment comprises controller and 4 road pulling force sensor interfaces, the external 4 road pulling force sensors of this 4 road pulling force sensor interface, controller mainly is responsible for configuration and the control of whole overloading and unbalanced loading of container checking system, if super inclined to one side overload is arranged do to report to the police and process.
Further, super unbalance loading wireless measurement equipment comprises wireless communication module, and super unbalance loading wireless measurement equipment is connected with the data display control unit by wireless communication module.Wireless communication module is preferably the wifi communication module.The data display control unit receives the data that super unbalance loading wireless measurement equipment sends over and is shown on LCD by the wifi wireless network, and can data be sent to PC so that generating report forms by network, PC can show data after receiving data, and printable form.
In a preferred specific embodiment of the present utility model, the gravimetric data of 4 road pulling force sensors collection freight containers on the container hoisting device sends the super unbalance loading wireless measurement equipment of super unbalance loading measuring system to.Super unbalance loading wireless measurement equipment is gone error handling to 4 road pulling force sensor data, and calculates the pulling force that each pulling force sensor is subject to, and whether analyzes super unbalance loading according to special algorithm, and data are sent to the data display control unit by wifi.The data display control unit receives the data that super unbalance loading wireless measurement equipment sends over and is shown to LCD upper, and forwards the data to the PC end so that generating report forms by network interface.
Below super unbalance loading model is described.As shown in Figure 2, F1, F2, F3, F4 are the suffered pulling force in each angle of freight container that four sensors are measured, and C is the container level centre of form, the center of gravity that D is freight container, and A, B are that (20 forty equivalent unit 40 A are 5853mm, and B is 2259mm for distance between freight container pin sky; 40 forty equivalent unit 40 A are 11985mm, and B is 2259mm; 40 forty equivalent unit 40 A are 11985mm, and B is 2259mm).A, b is that the freight container center of gravity is in vertical, horizontal side-play amount.
(1) overweight calculating:
Super unbalance loading wireless measurement equipment collects by 4 road sensor interfaces the pulling force that every road pulling force sensor is subject to, and after calculating the removal error, by 4 road pulling force summations, if the pulling force summation has exceeded predetermined lifting weight, is overweight.
For example:
By calculating the temperature influence coefficient, be K.
The pulling force that 4 road sensors are subject to is respectively F1, F2, F3, F4.
Gravity summation ∑ F can be obtained by following formula
∑F=K(F1+F2+F3+F4)
If ∑ F > 30480kg think overweight.
(2) unbalance loading is calculated:
Follow according to principle of moment balance, long limit and the broadside of suspender of take respectively is axle, ask moment and, can draw:
a=A/2-(F1+F2)A/∑F。
b=B/2-(F1+F4)B/∑F。
For the freight container of 20 feet, when | a|<=600mm, | b|<=100mm is qualified for loading.
For the freight container of 40 feet, when | a|<=1200mm, | b|<=100mm is qualified for loading.
Can calculate direction and the distance of centre-of gravity shift for the freight container of unbalance loading.
Super unbalance loading wireless measurement equipment collects by 4 road sensor interfaces the pulling force that every road sensor is subject to, and after calculating the removal error, 4 road pulling force is compared, if difference is greater than predetermined error thinks unbalance loading.
Above specific embodiment of the utility model is described.It will be appreciated that, the utility model is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present utility model.
Claims (7)
1. a super unbalance loading wireless measurement equipment, it is characterized in that, comprise controller, wireless communication module, pulling force sensor interface, isolated amplifier, pulling force sensor interface, isolated amplifier, controller connect successively, controller connects wireless communication module, wherein: the pulling force sensor interface receives the pulling force signal gathered by pulling force sensor, and the pulling force signal is sent to isolated amplifier; Isolated amplifier sends to controller after the pulling force signal is amplified; Controller carries out filtering according to the pulling force signal after amplifying, and calculate pulling force data that each pulling force sensor is subject to, freight container total force, and super unbalance loading situation data, the pulling force data then each pulling force sensor is subject to, freight container total force, reach super unbalance loading situation data and send to wireless communication module; Wireless communication module sends pulling force data that each pulling force sensor is subject to, freight container total force, and super unbalance loading situation data with wireless mode.
2. super unbalance loading wireless measurement equipment according to claim 1, is characterized in that, also comprises a plurality of pulling force sensors, and pulling force sensor connects the pulling force sensor interface.
3. super unbalance loading wireless measurement equipment according to claim 1, it is characterized in that, also comprise temperature sensor, controller connects temperature sensor, temperature sensor gathers current environmental temperature and also sends to controller, the pulling force data that controller is subject to each pulling force sensor according to current environmental temperature, freight container total force, and super unbalance loading situation data revised.
4. super unbalance loading wireless measurement equipment according to claim 1, is characterized in that, the quantity of pulling force sensor is 4, and these 4 pulling force sensors are according to the array difference of two row two row, and correspondingly, the pulling force sensor interface comprises 4 road sensor interfaces.
5. super unbalance loading wireless measurement equipment according to claim 1, is characterized in that, controller adopts STM32S215 Series MCU controller.
6. super unbalance loading wireless measurement equipment according to claim 5, is characterized in that, controller adopts 32 Cortex-M3 microcontroller STM32F215RG.
7. super unbalance loading wireless measurement equipment according to claim 1, is characterized in that, wireless communication module is the wifi communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320301213.9U CN203382392U (en) | 2013-05-28 | 2013-05-28 | Wireless overload and unbalanced load measurement equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320301213.9U CN203382392U (en) | 2013-05-28 | 2013-05-28 | Wireless overload and unbalanced load measurement equipment |
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| Publication Number | Publication Date |
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| CN203382392U true CN203382392U (en) | 2014-01-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335746A (en) * | 2013-05-28 | 2013-10-02 | 上海殷浩电子科技股份有限公司 | Overload and unbalanced load wireless measuring device |
| CN107449499A (en) * | 2017-09-30 | 2017-12-08 | 南京中高知识产权股份有限公司 | Container unbalance-loading value detecting system and its method of work |
-
2013
- 2013-05-28 CN CN201320301213.9U patent/CN203382392U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335746A (en) * | 2013-05-28 | 2013-10-02 | 上海殷浩电子科技股份有限公司 | Overload and unbalanced load wireless measuring device |
| CN103335746B (en) * | 2013-05-28 | 2016-12-07 | 上海殷浩电子科技股份有限公司 | Super leaning load wireless measurement equipment |
| CN107449499A (en) * | 2017-09-30 | 2017-12-08 | 南京中高知识产权股份有限公司 | Container unbalance-loading value detecting system and its method of work |
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