CN207636164U - A kind of weighing device based on motion control - Google Patents
A kind of weighing device based on motion control Download PDFInfo
- Publication number
- CN207636164U CN207636164U CN201721894938.8U CN201721894938U CN207636164U CN 207636164 U CN207636164 U CN 207636164U CN 201721894938 U CN201721894938 U CN 201721894938U CN 207636164 U CN207636164 U CN 207636164U
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- China
- Prior art keywords
- pulling force
- module
- control unit
- motion control
- main control
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Abstract
The utility model is related to a kind of weighing devices based on motion control, including pulling force sensor and controller；Controller detects the pulling force analog signal of pulling force sensor, after treatment, is sent out measured weight information by radio communication.The utility model uses high-precision strain tension sensor, and chip is controlled with high-precision motion, and object gravity is measured after being computed, simple in structure, and technologically advanced, reliability is high, can be widely applied to measurement of the harbour gantry crane for Container Weight.
Description
Technical field
The utility model is related to a kind of weighing device, especially a kind of weighing device based on motion control.
Background technology
With the construction of the projects such as digital port, wisdom harbour, seems to the real-time measurement of integral box weight and be even more important.
Harbour is all by container arrangement using gantry crane on automobile at present, then the weight of container is measured by track scale, from
And statistical correlation data again.
This measurement method but has the following disadvantages：
1, row measures when track scale generally uses load sensor, and there are certain errors for measurement；
2, track scale limited amount can form crowded clogging in big flow；
3, it cannot achieve and data be uploaded to server at the first time.
Utility model content
The technical problems to be solved in the utility model is：A kind of weighing device based on motion control is proposed, directly to collection
The weight of vanning measures, and can cross the high-precision of communication transmission data, intelligent weighing device.
Technical solution used by the utility model is：A kind of weighing device based on motion control, including pull sensing
Device and controller；The pulling force analog signal of the described controller detection pulling force sensor, after treatment, by radio communication to
Weight information measured by outer transmission.
Further, controller described in the utility model includes main control unit, measurement module, motion control detection mould
Block, wireless communication module and battery powered module；Pulling force signal is carried out differential amplification by the measurement module, is converted through ADC
Circuit output is to main control unit；Main control unit passes through I2C buses are connected with measurement module；The motion control detection module is real-time
Detection claims the acceleration value and deviation angle of body in three directions, is connected with main control unit by spi bus；The battery supplies
Electric module carries out steady pressure treatment to the output of high-performance high-capacity lithium battery, and electric power is provided for main control unit；The main control unit
It is connected with wireless communication module by serial communication Transistor-Transistor Logic level.
Further say, pulling force sensor described in the utility model be strain tension sensor, to suffered pulling force into
Row directly measures.
It further says, wireless communication module described in the utility model uses the communication channel of 433MHz public frequencies；
The battery powered module has voltage conversion chip.
It further says, main control unit described in the utility model measures the bias angle theta for claiming body and Y-axis and the acceleration along Y-axis
G is spent, while it is F to measure pulling force by measurement module, according to formula：Obtain institute's hanging object weight.
The utility model has the beneficial effects that：
1, the present apparatus is had excellent performance, technologically advanced, and measurement accuracy is solved using the local method for directly measuring physical quantity
Problem；
2, the present apparatus uses high-acruracy survey module, and error is small, and real-time is good；
3, for the present apparatus by the way of wireless communication, data publication is accurate, real-time；
4, the present apparatus uses battery powered mode, simple in structure, and reliability is high, using, it is easy to maintain.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the weighting device structure composition figure based on motion control of the utility model；
Fig. 2 is controller composition figure in Fig. 1；
Fig. 3 is to claim body force analysis figure.
Specific implementation mode
The utility model is described in further detail presently in connection with attached drawing and preferred embodiment.These attached drawings are letter
The schematic diagram of change, only illustrates the basic structure of the utility model in a schematic way, thus its only show it is related with the utility model
Composition.
As shown in Figure 1, a kind of weighing device based on motion control, includes pulling force sensor 1 and controller 2.Control
Device 2 detects the pulling force analog signal of pulling force sensor 1, after treatment, is sent out measured weight by radio communication
Information.
Pulling force sensor 1 uses strain-type cylindricality pulling force sensor, installed foil gauge composition direct-current bridge, suffered by measurement
The size of pulling force exports as the voltage signal of strain-type electric bridge, and concrete model is JLBT-N.
As shown in Fig. 2, controller 2 include main control unit 21, it is measurement module 22, motion control detection module 23, wireless
Communication module 24, battery powered module 25.Controller 2 obtains pulling force sensor 1 by its integrated analog measurement circuit
Pulling force information, and the pulling force size information measured by this sensor is sent to main equipment by radio communication.
CPU core chip centroid used by main control unit 21 is the MSP430 series monolithics of American TI Company, this is a
MSP430F149 can be used in low-power consumption series core cpu core, concrete model.
Battery powered module 25 carries out steady pressure treatment to the output of high-performance high-capacity lithium battery, is provided for main control unit 21
Electric power.
Main control unit 21 passes through I2C buses are connected with measurement module 22, and it is poor that measurement module 22 first carries out pulling force information
Divide amplification, is connected through ADC conversion circuits, then with main control unit 21.
The detection in real time of motion control detection module 23 claims the acceleration value and deviation angle of body in three directions, passes through
Spi bus is connected with main control unit 21, and concrete model is MPU-6000.
Main control unit 21 is connected by serial communication Transistor-Transistor Logic level with wireless communication module 24.
For wireless communication module 24 using the communication channel of 433MHz public frequencies, concrete model is CC1110, transmission range
200m。
For battery powered module 25 using the voltage conversion chip of NXP companies of the U.S., concrete model is TPS63031DRCR.
As shown in figure 3, main control unit 21 measures the bias angle theta for claiming body and Y-axis and the acceleration G along Y-axis, while passing through measurement
It is F that module, which measures pulling force, is obtained according to acceleration law
F cos θ-mg=mG
According to above formula, in known pulling force F, bias angle theta and in the case of along the acceleration G of Y-axis, according to g=
9.80665m/S2, substitute into calculating and obtain institute hanging object weight m.
Only specific embodiment of the present utility model described in description above, various illustrations are not to this practicality
Novel substantive content is construed as limiting, and person of an ordinary skill in the technical field can be to former institute after having read specification
The specific implementation mode stated is made an amendment or is deformed, without departing from the spirit and scope of utility model.
Claims (5)
1. a kind of weighing device based on motion control, it is characterised in that：Including pulling force sensor and controller；The control
Device detects the pulling force analog signal of pulling force sensor, after treatment, is sent out measured weight letter by radio communication
Breath.
2. a kind of weighing device based on motion control as described in claim 1, it is characterised in that：The controller includes master
Control unit, measurement module, motion control detection module, wireless communication module and battery powered module；The measurement module will
Pulling force signal carries out differential amplification, is exported to main control unit through ADC conversion circuits；Main control unit passes through I2C buses and measurement mould
Block is connected；The motion control detection module detects in real time claims the acceleration value and deviation angle of body in three directions, passes through
Spi bus is connected with main control unit；The battery powered module carries out steady pressure treatment to the output of high-performance high-capacity lithium battery,
Electric power is provided for main control unit；The main control unit is connected by serial communication Transistor-Transistor Logic level with wireless communication module.
3. a kind of weighing device based on motion control as described in claim 1, it is characterised in that：The pulling force sensor is
Strain tension sensor directly measures suffered pulling force.
4. a kind of weighing device based on motion control as claimed in claim 2, it is characterised in that：The wireless communication module
Using the communication channel of 433MHz public frequencies；The battery powered module has voltage conversion chip.
5. a kind of weighing device based on motion control as claimed in claim 2, it is characterised in that：The main control unit measures
Claim the bias angle theta of body and Y-axis and the acceleration G along Y-axis, while it is F to measure pulling force by measurement module, according to formula：Obtain institute's hanging object weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721894938.8U CN207636164U (en) | 2017-12-29 | 2017-12-29 | A kind of weighing device based on motion control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721894938.8U CN207636164U (en) | 2017-12-29 | 2017-12-29 | A kind of weighing device based on motion control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207636164U true CN207636164U (en) | 2018-07-20 |
Family
ID=62851475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721894938.8U Expired - Fee Related CN207636164U (en) | 2017-12-29 | 2017-12-29 | A kind of weighing device based on motion control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207636164U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11851306B2 (en) | 2020-01-24 | 2023-12-26 | Milwaukee Electric Tool Corporation | Zero-gravity hoist control |
-
2017
- 2017-12-29 CN CN201721894938.8U patent/CN207636164U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11851306B2 (en) | 2020-01-24 | 2023-12-26 | Milwaukee Electric Tool Corporation | Zero-gravity hoist control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180720 Termination date: 20201229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |