CN203381803U - High-precision electronic bundling belt device capable of automatically stretching and contracting according to tensile force - Google Patents
High-precision electronic bundling belt device capable of automatically stretching and contracting according to tensile force Download PDFInfo
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- CN203381803U CN203381803U CN201320506673.5U CN201320506673U CN203381803U CN 203381803 U CN203381803 U CN 203381803U CN 201320506673 U CN201320506673 U CN 201320506673U CN 203381803 U CN203381803 U CN 203381803U
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- bundling belt
- tensile force
- precision electronic
- sensor element
- automatic telescopic
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Abstract
A high-precision electronic bundling belt device capable of automatically stretching and contracting according to the tensile force comprises a base and a bundling belt and further comprises a stepping motor installed on the base, a sensor element, an AD converter, an embedded microprocessor, a drive circuit and a power source use for providing electricity. One end of the bundling belt is fixed to a rotary shaft of the motor and is wound around the rotary shaft from the end and the other end of the bundling belt is a free end. When the other end of the bundling belt rotates along with the rotary shaft in the clockwise direction, the bundling belt can be released from the rotary shaft and when the other end of the bundling belt rotates along with the rotary shaft in the anti-clockwise direction, the bundling belt is wound around the rotary shaft. The tensile force in the bundling belt is sensed and a measured signal is output through the sensor element. A signal from the sensor element is converted into a digital signal by the AD converter and the digital signal is output. The signal from the AD converter is compared with a set threshold value of the tensile force through the embedded microprocessor and a control signal is output based on a comparative result. The driving circuit is used for driving the stepping motor based on the control signal output by the embedded microprocessor. According to the technical scheme of the high-precision electronic bundling belt device capable of automatically stretching and contracting according to the tensile force, the bundling belt can be automatically adjusted in high precision and the expected tensile force can be kept.
Description
Technical field
The utility model relates to a kind of bundling belt device, the especially a kind of bundling belt of the high-precision electronic according to tensile force automatic telescopic device.
Background technology
Bundling belt is widely used in the various packings to article.While as a rule, just having packaged, the tensile force of bundling belt is suitable substantially.Yet especially, in the transportation of article, bundling belt often can fluff or become due to a variety of causes tightly, even becomes too loose or tension.This can cause a lot of problems.For example, may directly damage packaged article when, binding becomes tension.And bundle while becoming too loose, the effect of out of reach binding, more may cause article to scatter, fall.To this, people are seeking relevant terms of settlement always, but basically all are based on the improvement of pure physical construction aspect, are difficult to meet the application requirements that the binding tensile force is had relatively high expectations, for example binding and packing of some treasure.
The utility model content
The purpose of this utility model is to overcome above-mentioned defect of the prior art.
In order to realize this purpose, the utility model provides a kind of bundling belt of the high-precision electronic according to tensile force automatic telescopic device, comprise pedestal and bundling belt, also comprise: be installed on the stepping motor on pedestal, one end of bundling belt is fixedly attached in the rotating shaft of stepping motor, and bundling belt starts to be coiled in the rotating shaft of stepping motor from this end, the other end of bundling belt is free end, along with rotating shaft rotation in the clockwise direction, bundling belt discharges from rotating shaft, along with rotating shaft rotation in the counterclockwise direction, bundling belt is wound up in rotating shaft; Sensor element, sensor element is configured to the tensile force in the sensing bundling belt and exports measurement signal; AD converter, AD converter receives the measurement signal from sensor element, is converted into digital signal output; Embedded microprocessor, embedded microprocessor receives the output signal of AD converter, itself and the tensile force threshold value of setting is compared, based on the comparison result output control signal; Driving circuit, driving circuit is from the embedded microprocessor reception control signal, and carrys out Driving Stepping Motor based on control signal; And power supply, power supply is to sensor element, AD converter, embedded microprocessor, driving circuit and stepping motor power supply.
Preferably, the rotating shaft of stepping motor is provided with tooth, and bundling belt is provided with hole, and tooth can be meshed with hole.Here, hole can be that through hole can be also blind hole.
According in a preferred embodiment of the present utility model, the free end of bundling belt can be connected in the buckle mode with pedestal.
According in a preferred embodiment of the present utility model, the free end of bundling belt is connected with hook.
According in a preferred embodiment of the present utility model, sensor element is pulling force sensor, and pulling force sensor directly is arranged on bundling belt.
According in a preferred embodiment of the present utility model, sensor element is pressure sensor, be provided with cylindrical sleeve on bundling belt, one end of cylindrical sleeve is fixed on bundling belt, the other end has the outer baffle perpendicular to sleeve outer surface, inboard at the outer baffle of cylindrical sleeve has the Internal baffle be fixed on bundling belt, and pressure sensor is arranged between outer baffle and Internal baffle.
According in a preferred embodiment of the present utility model, also comprise amplifier, amplifier offers AD converter after the measurement signal of sensor element output is amplified.
According in a preferred embodiment of the present utility model, be provided with the tensile force threshold value button manually is set.
According in a preferred embodiment of the present utility model, be provided with the quick rolling button of bundling belt and bundling belt quick release button.
The utility model is applied to automated control technology in bundling belt, and the tensile force in bundling belt is carried out to Real-Time Monitoring, and automatically controls the flexible of binding based on negative-feedback principle, thereby makes bundling belt keep the tensile force of expectation.
The accompanying drawing explanation
Fig. 1 has schematically shown the structured flowchart according to the bundling belt of the high-precision electronic according to the tensile force automatic telescopic device of the utility model one preferred embodiment;
Fig. 2 has specifically illustrated the sensor element that uses in the bundling belt of the high-precision electronic according to the tensile force automatic telescopic device according to the utility model one preferred embodiment and the detailed circuit diagram of signal amplifier;
Fig. 3 has specifically illustrated the AD converter used in the bundling belt of the high-precision electronic according to the tensile force automatic telescopic device according to the utility model one preferred embodiment and the detailed circuit diagram of embedded microprocessor; And
Fig. 4 has specifically illustrated the detailed circuit diagram of the stepper motor driving circuit used in the bundling belt of the high-precision electronic according to the tensile force automatic telescopic device according to the utility model one preferred embodiment.
The specific embodiment
Describe the bundling belt of the high-precision electronic according to tensile force automatic telescopic device of the present utility model in detail below in conjunction with accompanying drawing.It will be appreciated by those skilled in the art that the embodiment the following describes is only to exemplary illustration of the present utility model, but not for it being made to any restriction.
As shown in Figure 1, according in a preferred embodiment of the present utility model, according to the high-precision electronic bundling belt device of tensile force automatic telescopic, comprise: bundling belt 1; Stepping motor 2, bundling belt 1 stretches along with the rotation of the rotating shaft of stepping motor 2; Sensor element 3, sensor element 3 is configured to the tensile force in sensing bundling belt 1 and exports measurement signal; AD converter (A and D converter) 4, the measurement signal that AD converter 4 receives from sensor element 3, be converted into digital signal output; Embedded microprocessor (micro controller system) 5, embedded microprocessor 5 receives the output signal of AD converter 4, itself and the tensile force threshold value of setting is compared, based on the comparison result output control signal; Driving circuit 6, driving circuit 6 is from embedded microprocessor 5 reception control signals, and carrys out Driving Stepping Motor 2 based on control signal; And power supply 7, power supply 7 is to sensor element 3, AD converter 4, embedded microprocessor 5, driving circuit 6 and stepping motor 2 power supplies.
Here, be pointed out that, between bundling belt 1 and stepping motor 2, can adopt the windlass type connection mode, also can mesh to connect by tooth.For example, stepping motor can be installed on pedestal, an end of bundling belt is fixedly attached in the rotating shaft of stepping motor, and bundling belt starts to be coiled in the rotating shaft of stepping motor from this end, and the other end of bundling belt is free end.Along with rotating shaft rotation in the clockwise direction, bundling belt discharges from rotating shaft, and along with rotating shaft rotation in the counterclockwise direction, bundling belt is wound up in rotating shaft; Can certainly arrange on the contrary, i.e., during rotation in the clockwise direction of rotating shaft, bundling belt is wound up in rotating shaft, and during rotation in the counterclockwise direction of rotating shaft, bundling belt discharges from rotating shaft.
In addition, in the rotating shaft of stepping motor 2, can be provided with tooth, can be provided with hole on bundling belt 1 simultaneously, tooth can be meshed with hole.Here, hole can be that through hole can be also blind hole.
The free end of bundling belt can be arranged to can be connected in the buckle mode with pedestal.More specifically, the free end of bundling belt can be connected with hook.
Above-mentioned concrete physical structure for those of ordinary skills, can suitably be selected according to concrete application scenario, therefore do not repeat them here.
Below, specifically describe electron steering and drive element according to the bundling belt of the high-precision electronic according to tensile force automatic telescopic device of the present utility model.
Sensor element 3 can be pulling force sensor, while adopting pulling force sensor, it directly can be arranged on bundling belt 1.Current pulling force sensor probably can be expressed as elastic body (elastic element, sensitive beam) produce under external force elastic deformation, make to stick on the resistance strain gage (conversion element) on his surface also in company with producing distortion, after the resistance strain gage distortion, its resistance will change (increase or reduce), through corresponding metering circuit, this resistance variations is converted to electric signal (voltage or electric current) again, thus the process that to have completed force transformation be electric signal.In practical application, current pulling force sensor has that volume is large, measurement range is excessive and also characteristics such as larger of corresponding error.
Pressure sensor has been avoided the existing some shortcomings of pulling force sensor.Also can adopts pressure sensor according to the sensor element 3 in bundling belt device of the present utility model, but need first by mechanical part, the tension force equivalence is transformed into to pressure.This is easy to realize.For example can on bundling belt 1, be provided with cylindrical sleeve, one end of cylindrical sleeve is fixed on bundling belt, the other end has the outer baffle perpendicular to sleeve outer surface, inboard at the outer baffle of cylindrical sleeve has the Internal baffle be fixed on bundling belt, pressure sensor is arranged between described outer baffle and described Internal baffle, can learn like this tensile force of bundling belt by measuring pressure between interior outer baffle.
In addition, in order to be controlled more accurately, but signalization amplifier also offers AD converter after measurement signal that will sensor element output amplifies.Especially the voltage signal that the variation of the pizo-resistance in pressure sensor produces is millivolt (mV) level, it can be amplified between 0-5V through signal amplifier.
Fig. 2 has specifically illustrated the detailed circuit diagram of a kind of spendable sensor element and signal amplifier.Such circuit diagram is known for those of ordinary skills, therefore no longer describe in detail.
Fig. 3 has specifically illustrated the AD converter used in the bundling belt of the high-precision electronic according to the tensile force automatic telescopic device according to the utility model one preferred embodiment and the detailed circuit diagram of embedded microprocessor.
The tension measuring signal of sensor element 3 outputs is voltage analog signal, and embedded microprocessor (micro controller system) 5 can only carry out computing and processing to digital signal.Therefore need to use 4 pairs of analog signals of AD converter to be processed.For example, AD converter 4 can be used the ADC0804 chip, and embedded microprocessor (micro controller system) 5 can be used AT89C52.ADC0804 chip simulation input voltage range: 0～+ 5V, 0≤Vin≤+ 5V, it is the A and D converter of one 8, resolution is 1/256, conversion value, between 0～255, matches with 8 interfaces of single chip computer AT 89C52, facilitates digital input and processing, reduce operand, improve reaction efficiency.The ADC0804 chip is connected with single chip computer AT 89C52 by interfaces such as CS, RD, WR, makes the monolithic function effectively control modulus conversion chip, and can allow both clock signal synchronization, facilitates the transmission of signal.
The tensile force signal that embedded microprocessor 5 will receive from AD converter 4 and default tensile force compare, if the tensile force recorded is greater than default tensile force, provides and drive signal to rotate to discharge bundling belt through driving circuit 6 Driving Stepping Motors 2; If the tensile force recorded is less than default tensile force, provides and drive signal to rotate to shrink bundling belt through driving circuit 6 Driving Stepping Motors 2.As shown in Figure 3, the P1 mouth of single chip computer AT 89C52 receives by A and D converter ADC0804 and passes the signal of coming, and result is outputed to the driving circuit of control step motor by P2.4-P2.7.Can adopt four phase step motor, with four pin output signals, control driving circuit, can realize making motor forward, reversion certain angle.Can also pick out other button from single chip computer AT 89C52, be arranged to respectively that bundling belt discharges fast, bundling belt shrinks fast, (for example can be arranged to ideal value and add the difference interval of allowing) manually is set the tensile force threshold value and emergency situation interrupts processing.
In addition, utilize timing and the tally function of micro controller system, can also be arranged so that when button can to eliminate like this false touch and to touch the interference brought for example for example being pressed in 2 seconds more than 3 times effectively.
In addition, can also be set (for example being made as 10 minutes) to the tension measuring time cycle in bundling belt as required, to realize energy-conservation purpose.
Other details in Fig. 3 is known for those of ordinary skills, therefore no longer describe in detail.
Fig. 4 has specifically illustrated the detailed circuit diagram of the stepper motor driving circuit used in the bundling belt of the high-precision electronic according to the tensile force automatic telescopic device according to the utility model one preferred embodiment.
As shown in Figure 4, control wave comes from the P2.4～P2.7 of the P2 mouth of single chip computer AT 89C52, through phase inverter for example phase inverter chip 74LS14 enter for example amplifier chip 9014 of amplifier (Q1) after anti-phase, after amplifying, amplifier chip 9014 controls photoelectric switch (photoelectric switch plays the effect of photoelectricity isolation), and then by power tube (Q2) for example power tube chip TIP122 impulse singla is carried out to the voltage and current amplification, the winding of Driving Stepping Motor then.Be pointed out that, only show the exemplary driver circuits figure of motor one phase winding in Fig. 4, for other winding, can adopt identical driving circuit to drive.Stepping motor is along with different impulse singlas such as is done respectively forward, reversion, acceleration, slows down and stop at the action.The phase winding that in figure, L1 is stepping motor, if adopt four phase step motor, can be used four driving circuits as shown in Figure 4 to drive respectively every phase winding.
Finally, be pointed out that, in all exemplary circuit diagram, resistance unit is ohm, and unit of capacity is farad (F).
High-precision electronic according to tensile force automatic telescopic bundling belt device of the present utility model utilizes negative feedback control to realize the High Precision Automatic adjusting of bundling belt according to tensile force, thereby make bundling belt keep the tensile force of expectation always, and the Tai Song or too tight that will not become.
Claims (10)
1. the bundling belt of the high-precision electronic according to a tensile force automatic telescopic device, comprise pedestal and bundling belt, it is characterized in that, also comprises:
Be installed on the stepping motor on described pedestal, one end of described bundling belt is fixedly attached in the rotating shaft of described stepping motor, and described bundling belt starts to be coiled in the rotating shaft of described stepping motor from this end, the other end of described bundling belt is free end, along with described rotating shaft rotation in the clockwise direction, described bundling belt discharges from described rotating shaft, and along with described rotating shaft rotation in the counterclockwise direction, described bundling belt is wound up in described rotating shaft;
Sensor element, described sensor element is configured to the tensile force in the described bundling belt of sensing and exports measurement signal;
AD converter, described AD converter receives the described measurement signal from described sensor element, is converted into digital signal output;
Embedded microprocessor, described embedded microprocessor receives the output signal of described AD converter, itself and the tensile force threshold value of setting is compared, based on the comparison result output control signal;
Driving circuit, described driving circuit receives described control signal from described embedded microprocessor, and drives described stepping motor based on described control signal; And
Power supply, described power supply is to described sensor element, described AD converter, described embedded microprocessor, described driving circuit and the power supply of described stepping motor.
2. the bundling belt of the high-precision electronic according to tensile force automatic telescopic device as claimed in claim 1, the rotating shaft of wherein said stepping motor is provided with tooth, and described bundling belt is provided with hole, and described tooth can be meshed with described hole.
3. the bundling belt of the high-precision electronic according to tensile force automatic telescopic device as claimed in claim 2, wherein said hole is through hole or blind hole.
4. the bundling belt of the high-precision electronic according to tensile force automatic telescopic device as claimed in claim 1, the described free end of wherein said bundling belt can be connected in the buckle mode with described pedestal.
5. the bundling belt of the high-precision electronic according to tensile force automatic telescopic device as claimed in claim 1, the described free end of wherein said bundling belt is connected with hook.
6. the bundling belt of the high-precision electronic according to tensile force automatic telescopic device as claimed in claim 1, wherein said sensor element is pulling force sensor, described pulling force sensor directly is arranged on described bundling belt.
7. the bundling belt of the high-precision electronic according to tensile force automatic telescopic device as claimed in claim 1, wherein said sensor element is pressure sensor, be provided with cylindrical sleeve on described bundling belt, one end of described cylindrical sleeve is fixed on described bundling belt, the other end has the outer baffle perpendicular to sleeve outer surface, inboard at the outer baffle of described cylindrical sleeve has the Internal baffle be fixed on described bundling belt, and described pressure sensor is arranged between described outer baffle and described Internal baffle.
8. the bundling belt of the high-precision electronic according to tensile force automatic telescopic device as claimed in claim 1, be provided with the quick rolling button of bundling belt and bundling belt quick release button.
9. the bundling belt of the high-precision electronic according to tensile force automatic telescopic device as claimed in claim 1, be provided with the tensile force threshold value button manually be set.
10. as claimed in any one of claims 1-9 wherein according to the high-precision electronic bundling belt device of tensile force automatic telescopic, also comprise signal amplifier, described signal amplifier offers described AD converter after the measurement signal of described sensor element output is amplified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320506673.5U CN203381803U (en) | 2013-08-16 | 2013-08-16 | High-precision electronic bundling belt device capable of automatically stretching and contracting according to tensile force |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320506673.5U CN203381803U (en) | 2013-08-16 | 2013-08-16 | High-precision electronic bundling belt device capable of automatically stretching and contracting according to tensile force |
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| Publication Number | Publication Date |
|---|---|
| CN203381803U true CN203381803U (en) | 2014-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320506673.5U Expired - Fee Related CN203381803U (en) | 2013-08-16 | 2013-08-16 | High-precision electronic bundling belt device capable of automatically stretching and contracting according to tensile force |
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| CN (1) | CN203381803U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115092039A (en) * | 2022-07-13 | 2022-09-23 | 一汽物流(青岛)有限公司 | Automatic alarm commodity vehicle binding belt and use method thereof |
-
2013
- 2013-08-16 CN CN201320506673.5U patent/CN203381803U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115092039A (en) * | 2022-07-13 | 2022-09-23 | 一汽物流(青岛)有限公司 | Automatic alarm commodity vehicle binding belt and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20140816 |
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| EXPY | Termination of patent right or utility model |