阅读说明：本技术 一种重型包装防倾倒装置 (Heavy packing anti-toppling device ) 是由 李少勇 胡泽顺 李兰辉 陈利科 张必应 于 2020-12-29 设计创作，主要内容包括：本发明提供了一种重型包装防倾倒装置,包括单片机U2、三轴加速度传感器U1、显示模块、报警模块和按键输入模块,所述三轴加速度传感器U1的输出端与所述单片机U2连接,所述按键输入模块的输出端与所述单片机U2连接,所述单片机U2的输出端分别与所述显示模块、报警模块连接。本发明的有益效果是：简化了电路结构,降低了成本,并且,可以实时记录货物运输过程的角度变化。(The invention provides a heavy-duty packaging anti-toppling device which comprises a single chip microcomputer U2, a three-axis acceleration sensor U1, a display module, an alarm module and a key input module, wherein the output end of the three-axis acceleration sensor U1 is connected with the single chip microcomputer U2, the output end of the key input module is connected with the single chip microcomputer U2, and the output end of the single chip microcomputer U2 is respectively connected with the display module and the alarm module. The invention has the beneficial effects that: the circuit structure is simplified, the cost is reduced, and the angle change of the cargo transportation process can be recorded in real time.)

1. The utility model provides a heavy packing anti-overturning device which characterized in that: including singlechip U2, triaxial acceleration sensor U1, display module, alarm module and key input module, triaxial acceleration sensor U1's output with singlechip U2 is connected, key input module's output with singlechip U2 connects, singlechip U2's output respectively with display module, alarm module connect.

2. The heavy-duty packaging anti-tipping device of claim 1, wherein: the model of the triaxial acceleration sensor U1 is ADXL 345.

3. The heavy-duty packaging anti-tipping device of claim 1, wherein: pin 1 of triaxial acceleration sensor U1 with the pin 21 of singlechip is connected, the pin 2 of triaxial acceleration sensor U1 with the pin 22 of singlechip is connected, the pin 8 ground connection of triaxial acceleration sensor U1, the pin 10 of triaxial acceleration sensor U1 connects power supply voltage VCC.

4. The heavy-duty packaging anti-tipping device of claim 3, wherein: pin 1 of triaxial acceleration sensor U1 is connected with resistance R3, another termination power supply voltage VCC of resistance R3, triaxial acceleration sensor U1's pin 2 is connected with resistance R2, another termination power supply voltage VCC of resistance R2.

5. The heavy-duty packaging anti-tipping device of claim 1, wherein: the singlechip U2 is a 51 singlechip.

6. The heavy-duty packaging anti-tipping device of claim 1, wherein: alarm module includes buzzer LS1, triode Q7 and resistance R19, 1 pin connection mains voltage VCC of buzzer LS1, buzzer LS 1's pin 2 with triode Q7's projecting pole is connected, triode Q7's collecting electrode ground connection, triode Q7's base with resistance R19's one end is connected, resistance R19's the other end with singlechip U2's pin 24 is connected.

7. The heavy-duty packaging anti-tipping device of claim 1, wherein: the display module comprises a liquid crystal display, and the output end of the singlechip U2 is connected with the liquid crystal display.

8. The heavy-duty packaging anti-tipping device of claim 1, wherein: the key input module comprises an absolute angle input key K2, a relative angle input key K4, an angle measurement switch key K5, an angle threshold value setting key K6, an angle threshold value increasing key K7 and an angle threshold value decreasing key K8, one end of the absolute angle input key K2 is grounded, the other end is connected with a pin 1 of the singlechip U2, one end of the relative angle input K4 is grounded, the other end is connected with a pin 2 of the singlechip U2, one end of the angle measurement switch key K5 is grounded, the other end is connected with a pin 3 of the singlechip U2, one end of the angle threshold value setting key K6 is grounded, the other end is connected with a pin 4 of the singlechip U2, one end of the angle threshold increasing key K7 is grounded, the other end is connected with a pin 5 of the singlechip U2, one end of the angle threshold reducing key K8 is grounded, and the other end of the angle threshold reducing key K8 is connected with a pin 6 of the single chip microcomputer U2.

9. The heavy-duty packaging anti-tipping device of claim 1, wherein: the heavy-duty packaging anti-toppling device further comprises a temperature sensor, and the output end of the temperature sensor is connected with the single chip microcomputer U2.

10. The heavy-duty packaging anti-tipping device of claim 1, wherein: the heavy-duty packaging anti-toppling device further comprises a humidity sensor, and the output end of the humidity sensor is connected with the single chip microcomputer U2.

Technical Field

The invention relates to an anti-dumping device, in particular to a heavy-duty packaging anti-dumping device.

Background

At present, the mainstream heavy-duty packaging in the market is prevented toppling over by two types, one type is a simple mechanical toppling over label, a round metal small ball or a metal round plate is arranged in the device, an inclined chute is designed in the device, when the label is toppled over along with the packaging, the metal small ball or the metal round plate in the device can slide out of the inclined chute under the action of gravity, so that the label cannot be restored. The other is a dumping device with a sensor, which can record the acceleration value of the vibration and impact of the whole process and the inclination angle condition at each moment in real time in the logistics process, and because data needs to be collected and recorded continuously, the device needs a larger memory and a stable power supply system, the information recorded by the device is very good, but the defect is that the cost is very high.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a heavy-duty packaging anti-tipping device.

The invention provides a heavy-duty packaging anti-toppling device which comprises a single chip microcomputer U2, a three-axis acceleration sensor U1, a display module, an alarm module and a key input module, wherein the output end of the three-axis acceleration sensor U1 is connected with the single chip microcomputer U2, the output end of the key input module is connected with the single chip microcomputer U2, and the output end of the single chip microcomputer U2 is respectively connected with the display module and the alarm module.

As a further improvement of the present invention, the three-axis acceleration sensor U1 is model number ADXL 345.

As a further improvement of the present invention, pin 1 of the three-axis acceleration sensor U1 is connected to pin 21 of the single chip microcomputer, pin 2 of the three-axis acceleration sensor U1 is connected to pin 22 of the single chip microcomputer, pin 8 of the three-axis acceleration sensor U1 is grounded, and pin 10 of the three-axis acceleration sensor U1 is connected to the power supply voltage VCC.

As a further improvement of the present invention, a pin 1 of the triaxial acceleration sensor U1 is connected to a resistor R3, the other end of the resistor R3 is connected to a power supply voltage VCC, a pin 2 of the triaxial acceleration sensor U1 is connected to a resistor R2, and the other end of the resistor R2 is connected to the power supply voltage VCC.

As a further improvement of the invention, the single chip microcomputer U2 is a 51 single chip microcomputer.

As a further improvement of the present invention, the alarm module includes a buzzer LS1, a transistor Q7 and a resistor R19, a pin 1 of the buzzer LS1 is connected to a power supply voltage VCC, a pin 2 of the buzzer LS1 is connected to an emitter of the transistor Q7, a collector of the transistor Q7 is grounded, a base of the transistor Q7 is connected to one end of the resistor R19, and the other end of the resistor R19 is connected to a pin 24 of the single chip U2.

As a further improvement of the invention, the display module comprises a liquid crystal display, and the output end of the singlechip U2 is connected with the liquid crystal display.

As a further improvement of the invention, the key input module comprises an absolute angle input key K2, a relative angle input key K4, an angle measurement switch key K5, an angle threshold value setting key K6, an angle threshold value increasing key K7 and an angle threshold value reducing key K8, one end of the absolute angle input key K2 is grounded, the other end is connected with a pin 1 of the singlechip U2, one end of the relative angle input K4 is grounded, the other end is connected with a pin 2 of the singlechip U2, one end of the angle measurement switch key K5 is grounded, the other end is connected with a pin 3 of the singlechip U2, one end of the angle threshold value setting key K6 is grounded, the other end is connected with a pin 4 of the singlechip U2, one end of the angle threshold increasing key K7 is grounded, the other end is connected with a pin 5 of the singlechip U2, one end of the angle threshold reducing key K8 is grounded, and the other end of the angle threshold reducing key K8 is connected with a pin 6 of the single chip microcomputer U2.

As a further improvement of the invention, the heavy-duty package anti-tipping device further comprises a temperature sensor, and the output end of the temperature sensor is connected with the single chip microcomputer U2.

As a further improvement of the invention, the heavy-duty packaging anti-tipping device further comprises a humidity sensor, and the output end of the humidity sensor is connected with the single chip microcomputer U2.

The invention has the beneficial effects that: through the scheme, the circuit structure is simplified, the cost is reduced, and the angle change of the cargo transportation process can be recorded in real time.

Drawings

Fig. 1 is a circuit diagram of a heavy-duty packaging anti-tipping device of the present invention.

Detailed Description

The invention is further described with reference to the following description and embodiments in conjunction with the accompanying drawings.

As shown in fig. 1, the anti-toppling device for heavy-duty packaging comprises a single chip microcomputer U2, a three-axis acceleration sensor U1, a display module, an alarm module and a key input module, wherein the output end of the three-axis acceleration sensor U1 is connected with the single chip microcomputer U2, the output end of the key input module is connected with the single chip microcomputer U2, and the output end of the single chip microcomputer U2 is respectively connected with the display module and the alarm module.

The three-axis acceleration sensor U1 is preferably an ADI xl345 sensor, available from ADI corporation, which is a 3-axis, digital output acceleration sensor based on the mems technology. The acceleration sensor is characterized in that: the resolution is high, and the highest resolution is 13 bits. The measuring range is variable, the measuring range with the variation of +/-2g, +/-4g, +/-8g and +/-16g can be converted into the inclination angle signal, and the requirement of the inclination angle measuring range is met. And thirdly, the sensitivity is high, the highest value can be reached to 3.9mg/LSB, and the change of the inclination angle of 1.0 degree can not be measured. And fourthly, the power consumption is low, the ultra-low power consumption of 40-145 uA is realized, and the standby mode is only 0.1 uA. Small size, the whole IC size is only 3mm by 5mm by 1mm, LGA packaging.

Pin 1 of triaxial acceleration sensor U1 with the pin 21 of singlechip is connected, the pin 2 of triaxial acceleration sensor U1 with the pin 22 of singlechip is connected, the pin 8 ground connection of triaxial acceleration sensor U1, the pin 10 of triaxial acceleration sensor U1 connects power supply voltage VCC.

Pin 1 of triaxial acceleration sensor U1 is connected with resistance R3, another termination power supply voltage VCC of resistance R3, triaxial acceleration sensor U1's pin 2 is connected with resistance R2, another termination power supply voltage VCC of resistance R2.

The singlechip U2 is a 51 singlechip.

Alarm module includes buzzer LS1, triode Q7 and resistance R19, 1 pin connection mains voltage VCC of buzzer LS1, buzzer LS 1's pin 2 with triode Q7's projecting pole is connected, triode Q7's collecting electrode ground connection, triode Q7's base with resistance R19's one end is connected, resistance R19's the other end with singlechip U2's pin 24 is connected.

The display module comprises a liquid crystal display, and the output end of the singlechip U2 is connected with the liquid crystal display.

The key input module comprises an absolute angle input key K2, a relative angle input key K4, an angle measurement switch key K5, an angle threshold value setting key K6, an angle threshold value increasing key K7 and an angle threshold value decreasing key K8, one end of the absolute angle input key K2 is grounded, the other end is connected with a pin 1 of the singlechip U2, one end of the relative angle input K4 is grounded, the other end is connected with a pin 2 of the singlechip U2, one end of the angle measurement switch key K5 is grounded, the other end is connected with a pin 3 of the singlechip U2, one end of the angle threshold value setting key K6 is grounded, the other end is connected with a pin 4 of the singlechip U2, one end of the angle threshold increasing key K7 is grounded, the other end is connected with a pin 5 of the singlechip U2, one end of the angle threshold reducing key K8 is grounded, and the other end of the angle threshold reducing key K8 is connected with a pin 6 of the single chip microcomputer U2.

Heavy packing anti-toppling device still includes temperature sensor, temperature sensor's output with singlechip U2 is connected, but the monitoring temperature has better function expansibility.

Heavy packing anti-toppling device still includes humidity transducer, humidity transducer's output with singlechip U2 is connected, but monitoring humidity has better function expansibility.

The invention selects a 51-chip microcomputer as a processor, an LCD1602 liquid crystal display as a display module and a buzzer as a reminding device.

The debugging and burning of the singlechip program design comprises the following steps: programming 51 program codes corresponding to the single chip microcomputer, the liquid crystal module and the buzzer circuit by using C language, and calling related ADXL345 library function, LCD1602 library function and EEPROM library function. After the programming of the main function is finished, the program is programmed into a 51-chip microcomputer on a 51-development board by using stc-isp programming software, the circuit is connected by adopting a bread board, the written program is used for testing the function and problem points of the circuit, and the parameters of related components of the circuit are modified through debugging and testing to finish the final determination of the program.

The drawing of the device circuit board and the welding test of the components and parts comprise the following steps: the method comprises the steps of drawing a PCB drawing of a circuit by adopting Altium Designer software, externally manufacturing a double-layer PCB, sequentially welding circuit components debugged according to the PCB drawing, performing anti-static treatment in the welding process, preferably selecting an anti-static electric welding gun, and preventing static electricity from damaging the components and bringing troubles in the aspect of testing.

The invention provides a heavy-duty packaging anti-toppling device, which mainly utilizes a display and threshold exceeding reminding device manufactured by combining a sensor with a single chip microcomputer, monitors the change of an angle through an ADXL345 sensor, sends a signal to the single chip microcomputer system, burns a program into the single chip microcomputer by using C language, 51 the single chip microcomputer system displays data on a display screen, and simultaneously triggers a buzzer to alarm when an inclination angle exceeds a set threshold.

The invention provides a heavy-duty packaging anti-dumping device which has the following advantages:

1. the device can measure inclination angle changes in three directions, and one inclination angle label replaces a plurality of traditional inclination angle labels.

2. The device can record the angle change of the freight transportation process in real time.

3. The device can set different inclination angle threshold values according to different products, and alarm reminding is carried out when the inclination angle threshold values exceed the threshold values.

4. The device can be repeatedly charged and used, and the use cost is relatively low.

5. The device has better function expansibility, can install other sensors such as temperature humidity additional to the device on realize multi-functional sensing.

The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.