CN112857561A - Intelligent tray - Google Patents
Intelligent tray Download PDFInfo
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- CN112857561A CN112857561A CN202011623561.9A CN202011623561A CN112857561A CN 112857561 A CN112857561 A CN 112857561A CN 202011623561 A CN202011623561 A CN 202011623561A CN 112857561 A CN112857561 A CN 112857561A
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- control chip
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Automation & Control Theory (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention relates to the technical field of logistics, and particularly discloses an intelligent tray which comprises a tray body, a sensor group and a control chip, wherein the sensor group and the control chip are installed on the tray body; the sensor group comprises a vibration sensor and a plurality of other sensors; the vibration sensor is used for sending a vibration signal to the control chip when detecting the vibration of the tray body; and the control chip is used for exiting the sleep mode and awakening other sensors in the sleep mode after receiving the vibration signal. By adopting the technical scheme of the invention, the power consumption can be effectively reduced.
Description
Technical Field
The invention relates to the technical field of logistics, in particular to an intelligent tray.
Background
Pallets are vehicles that transform static goods into dynamic goods, a cargo platform, but also a movable platform, or movable ground. Even if the goods are put on the ground without flexibility, the mobility is immediately obtained after the pallets are loaded, and the goods become flexible mobile goods, because the goods loaded on the pallets are in a ready state for being transferred to the movement at any time.
But the current tray is not convenient for management, and is also not convenient for intelligent and automatic operation. In the internet information era, industry upgrading urgently needs digital services, and the problem of low intelligent degree of the traditional tray is solved. Therefore, Chinese patent with publication number CN107886284A discloses a bulk commodity supply chain Internet of things management system based on an intelligent tray, which comprises an Internet of things warehouse, a management platform, the intelligent tray and an intelligent forklift; arranging an intelligent video monitoring and electronic tag reader-writer in the internet of things warehouse; the intelligent tray comprises a tray body, an intelligent device of the Internet of things, an intelligent longitudinal beam and a sensing floor plate; the intelligent device of the Internet of things comprises a main control unit MCU, a narrow-band Internet of things module NB-IoTU, a load interface unit ITU, an internal sensor group, an external sensor group, a battery pack and a communication antenna; an information acquisition hole is formed in the position where the external sensor group is arranged on the surface of the sensing floor plate.
In the above-mentioned scheme, utilize the thing networking to the wisdom tray is the core, accomplishes the real-time collection to goods information etc. on tray body state, tray body position, the tray body, has improved the intelligent degree of tray. However, in the above scheme, because a large number of sensors are adopted, the power consumption of the whole tray is high, the power consumption is too fast, the tray needs to be frequently charged in order to ensure the normal operation of each sensor, and the maintenance cost is high.
Therefore, an intelligent tray capable of effectively reducing power consumption is required.
Disclosure of Invention
The invention provides an intelligent tray which can effectively reduce power consumption.
In order to solve the technical problem, the present application provides the following technical solutions:
an intelligent tray comprises a tray body, a sensor group and a control chip, wherein the sensor group and the control chip are installed on the tray body;
the sensor group comprises a vibration sensor and a plurality of other sensors;
the vibration sensor is used for sending a vibration signal to the control chip when detecting the vibration of the tray body;
and the control chip is used for exiting the sleep mode and awakening other sensors in the sleep mode after receiving the vibration signal.
The basic scheme principle and the beneficial effects are as follows:
in this scheme, when vibration sensor did not detect the vibration signal, show that the tray body is currently in quiescent condition, control chip and other sensors all are in the sleep mode this moment, and after vibration sensor detected the vibration signal, control chip withdrawed from the sleep mode again and carries out work, can effectively practice thrift the electric energy. And the vibration sensor belongs to a physical sensor switch, does not work and consumes no power when being in a static state, and saves electric energy under the condition of ensuring that the control chip can be awakened in time. In conclusion, the scheme can effectively reduce power consumption.
Further, the other sensors comprise an acceleration sensor, the control chip is further used for waking up the acceleration sensor after exiting the sleep mode, acquiring acceleration data from the acceleration sensor, judging whether the tray body moves or not based on the acceleration data, and if the tray body does not move, enabling the acceleration sensor to enter the sleep mode after first preset time.
When the vibration sensor detects a vibration signal, the tray may be collided, acceleration data is acquired through the acceleration sensor, whether the tray body moves or not can be judged based on the acceleration data, if the tray does not move, the tray is still in place, other sensors are not needed to be put into work, the acceleration sensor also enters a sleep mode after first preset time, and electric energy can be effectively saved.
Further, the intelligent tray also comprises a communication module; other sensors also include motion sensors for detecting steering angle data; the control chip is used for judging whether the tray body moves or not based on the acceleration data and also used for acquiring network condition information from the communication module; the network condition information is that a gateway is detected or not detected;
when the network condition information is that the gateway is detected, the control chip wakes up the motion sensor in the sleep mode;
and when the network condition information is that the gateway is not detected, the control chip does not wake up the motion sensor in the sleep mode.
When the gateway is detected, the tray body is indicated to be in a factory area, and the motion state needs to be detected, so that the motion sensor in the sleep mode is awakened, and the acquisition of steering angle data is facilitated. When the gateway is not detected, the tray body is indicated to leave the factory area and possibly be in the way, and the detection of the motion state is not needed, so that the motion sensor is not awakened, and the electric energy can be saved.
Further, the control chip is also used for acquiring steering angle data from the motion sensor, judging whether the steering angle data exceeds a pre-stored steering threshold value, and if so, reporting the steering angle data through the communication module.
Before uploading, whether the steering angle data exceed a prestored steering threshold value is judged, effective data are guaranteed to be uploaded, invalid data can be prevented from being uploaded frequently, electric energy can be saved, and occupation of gateway bandwidth is reduced.
And further, the intelligent tray also comprises a memory, the control chip is also used for judging whether the acceleration data exceeds a prestored acceleration threshold value, if so, the acceleration data is stored into the memory when the gateway is not detected, and the acceleration data is reported through the communication module when the gateway is detected.
When the gateway is not detected, the acceleration data is stored in the memory, so that the loss of effective acceleration data can be avoided.
Further, the control chip is also used for discarding the steering angle data when the steering angle data does not exceed a pre-stored steering threshold value, and discarding the acceleration data when the acceleration data does not exceed a pre-stored acceleration threshold value.
And the invalid steering angle data and acceleration data are discarded, so that the occupation of a storage space is avoided.
Further, the control chip is further configured to enter a sleep mode after the control chip does not receive the vibration signal within a second preset time.
The electric energy can be effectively saved.
Further, the communication module is a LoRa wireless module.
LoRa wireless module's low power dissipation can effectively reduce the consumption of electric energy.
Further, the second preset time is lower than the first preset time.
Drawings
FIG. 1 is a logic block diagram of an intelligent pallet according to an embodiment;
FIG. 2 is a top view of the tray body according to the second embodiment;
fig. 3 is a partial longitudinal sectional view of the mounting hole in the second embodiment.
Detailed Description
The following is further detailed by way of specific embodiments:
the reference numbers in the drawings of the specification include: the device comprises a supporting seat 1, a carrying channel 2, a mounting hole 3, a telescopic cylinder 4, a resistance block 5 and a ventilation branch pipe 6.
Example one
As shown in fig. 1, the intelligent tray of the present embodiment includes a tray body, and a sensor group, a control chip, a memory and a communication module installed on the tray body.
The sensor group comprises a vibration sensor and a plurality of other sensors. In this embodiment, the other sensors include an acceleration sensor and a motion sensor.
The vibration sensor is used for sending a vibration signal to the control chip when detecting the vibration of the tray body.
And the control chip is used for exiting the sleep mode and awakening the acceleration sensor in the sleep mode after receiving the vibration signal. The acceleration sensor is used for collecting acceleration data after awakening. The control chip acquires acceleration data from the acceleration sensor, judges whether the tray body moves or not on the basis of the acceleration data, and enables the acceleration sensor to enter a sleep mode after first preset time if the tray body does not move; if the mobile terminal is in motion, the control chip is also used for acquiring network condition information from the communication module; the network condition information is that the gateway is detected or not detected. The communication module is a LoRa wireless module. In this embodiment, the communication module communicates with the gateway when in the signal coverage of the gateway, and can detect the gateway, and when the tray body leaves the signal coverage of the gateway, the gateway cannot be detected. The movement in this embodiment refers to movement in the horizontal direction and movement in the vertical direction, for example, the tray body is conveyed laterally or conveyed vertically, and whether the object is moving is determined by the acceleration data, which belongs to the prior art and is not described herein again.
And when the network condition information is that the gateway is not detected, the control chip does not wake up the motion sensor in the sleep mode.
And when the network condition information is that the gateway is detected, the control chip wakes up the motion sensor in the sleep mode. In this embodiment, the motion sensor is a gyroscope.
The motion sensor is used for detecting steering angle data after awakening; the control chip is also used for acquiring steering angle data from the motion sensor, judging whether the steering angle data exceeds a prestored steering threshold value or not, and reporting the steering angle data through the communication module if the steering angle data exceeds the prestored steering threshold value.
The control chip is also used for judging whether the acceleration data exceeds a prestored acceleration threshold value, if so, the acceleration data is stored in the memory when the gateway is not detected, and the acceleration data is reported through the communication module when the gateway is detected.
The control chip is also used for discarding the steering angle data when the steering angle data does not exceed a prestored steering threshold value, and discarding the acceleration data when the acceleration data does not exceed a prestored acceleration threshold value.
The control chip is further used for entering a sleep mode after the vibration signal is not received within a second preset time, wherein the second preset time is lower than the first preset time.
Example two
As shown in fig. 2, the difference between the first embodiment and the second embodiment is that the tray body in the present embodiment includes a rectangular tray surface, three parallel supporting bases 1 are disposed at the bottom of the tray surface, and a conveying channel 2 is formed between adjacent supporting bases 1.
The tray body also comprises a resistance block 5, a telescopic cylinder 4, an electromagnetic valve, a ventilation branch pipe 6 and a ventilation main pipe.
As shown in fig. 3, a plurality of mounting holes 3 are further formed in the carrying channel 2, the telescopic cylinder 4 is vertically fixed in the mounting holes 3, and the resistance block 5 is fixed on the moving end of the telescopic cylinder 4. The surface of the resistance block 5 far away from the telescopic cylinder 4 is adhered with a rubber layer.
The number of the branch vent pipes 6 is the same as the number of the mounting holes 3. One end of the branch ventilation pipe 6 is connected with the air inlet of the telescopic cylinder 4, and the other end of the branch ventilation pipe 6 is connected with one end of the main ventilation pipe. The electromagnetic valve is fixed on the other end of the vent main pipe. The electromagnetic valve is electrically connected with the control chip, and the control chip is used for controlling the opening and closing of the electromagnetic valve. The solenoid valve is in a closed state by default. The initial position of the resistance block 5 is positioned outside the mounting hole 3, and after the gas in the telescopic cylinder 4 is exhausted, the resistance block 5 can retract into the mounting hole 3.
The sensor group further comprises a plurality of weight sensors and a plurality of pressure sensors, the weight sensors are installed on the disc surface, in the embodiment, the number of the weight sensors is five, the weight sensors are in a cross shape and are respectively installed in the middle position, the front side, the rear side, the left side and the right side of the disc surface. The pressure sensors are installed in the conveying channels 2, and in the embodiment, at least one pressure sensor is installed at each of two ends of each conveying channel 2.
The weight sensor and the pressure sensor are in signal connection with the control chip.
The control chip is also used for awakening the weight sensor and the pressure sensor after exiting the sleep mode, acquiring weight information acquired by the weight sensor, calculating the gravity center of the goods based on the weight information, and generating a recommended carrying direction based on the gravity center of the goods. The communication module is used for sending the recommended carrying direction to the gateway.
Still include fork truck in this embodiment, fork truck includes transport fork and control end, and the control end is used for obtaining recommended transport direction and showing from the gateway. In this embodiment, the control end is provided with a display screen, and information is displayed through the display screen.
The control chip is also used for acquiring pressure data from the pressure sensor and judging whether the pallet is carried by the forklift currently or not based on the pressure data. If the forklift is used for carrying, the control chip also judges whether the carrying fork is fully inserted into the carrying channel 2 or not based on the pressure data, and if the carrying fork is not fully inserted into the carrying channel 2, the control chip sends position error information to the gateway through the communication module; and the control terminal is used for acquiring and displaying the position error information from the gateway.
The control chip is also used for acquiring acceleration data from the acceleration sensor during carrying, acquiring inclination angle data from the motion sensor, judging whether the current tray is inclined or not based on the inclination angle data, judging whether the inclination direction is the direction far away from the forklift or not if the current tray is inclined, and judging whether the acceleration of the current tray in the vertical direction is smaller than or equal to controllable acceleration or not based on the acceleration data if the current tray is inclined, or judging whether the acceleration of the current tray in the vertical direction is smaller than or equal to the controllable acceleration or not based on the acceleration data if the current; and the control chip sends reloading information to the gateway through the communication module. The control end is also used for acquiring reloading information from the gateway and displaying the reloading information
When the acceleration of the vertical direction of the current tray is larger than the controllable acceleration, the control chip is also used for controlling the electromagnetic valve to be opened, and the abandoned cargo information is sent to the gateway through the communication module. The control end is also used for acquiring the abandoned cargo information from the gateway and displaying the abandoned cargo information.
The existing tray is mostly made of plastic materials, and the surface is smooth. Moreover, the carrying fork is easy to wear during long-term carrying, the surface is smooth, the friction force between the carrying fork and the pallet is low, and the pallet is easy to slide during carrying goods, so that the safety is affected. In this implementation, when the transport fork stretched into transport passageway 2 and lifted up the tray, can extrude resistance piece 5, resistance piece 5 can be compressed to flush with transport passageway 2's surface, and the cylinder in the telescopic cylinder 4 can produce decurrent pressure to resistance piece 5 simultaneously, makes resistance piece 5 paste tight transport fork, and the rubber layer on resistance piece 5 surface fully contacts with the transport fork, can strengthen the frictional force between transport fork and the tray on the whole. Moreover, only when the transport fork is inserted into the transport passage 2 to lift the pallet, the force between the resistance block 5 and the transport fork becomes large, and when the transport fork is inserted into the transport passage 2, the pressure between the resistance block 5 and the transport fork is small, the friction force is also small, and the abrasion of the rubber layer on the resistance block 5 can be reduced.
Before the pallet is transported, the gravity center of the pallet is calculated based on the weight information, then the recommended transporting direction is generated based on the gravity center of the pallet, and after the pallet is known by a worker operating the forklift, the pallet and the pallet can be transported from the recommended transporting direction. For example, the center of gravity of goods is in the left side of tray, and the transport direction of recommendation this moment is the left side of tray, and in staff's operation fork truck stretched into transport passageway 2 with the transport fork from the left side of tray, the transport like this, can let the center of gravity of goods more be close to fork truck, avoided leading to the fork truck perk because the center of gravity of goods keeps away from fork truck and the goods appear inclining in resulting in handling poor stability even.
If the carrying fork is not fully inserted into the carrying channel 2, the stability is poor in the carrying process, even the gravity center of the goods is too far away from the forklift, the goods incline, and the forklift tilts and the like. In this embodiment, after the staff sees position error message, can in time adjust the position of transport fork.
When the goods of fork truck transport is overweight, when fork truck lifted the goods moreover, the goods can incline to the direction of keeping away from fork truck, lead to fork truck to keep away from the afterbody perk of goods, whole fork truck topples even, endangers staff's in the fork truck personal safety. In this embodiment, can judge that present tray takes place the slope based on inclination angle data, when taking place the slope, if the acceleration of the vertical direction of tray is less than or equal to controllable acceleration, it is slower to show that the speed that the goods appears the slope on the tray, and the staff has the time to deal with in addition, and at this moment, through sending reload information, be convenient for let the staff know the condition, operation fork truck falls the goods in order to avoid appearing the danger of toppling. Compared with the fact that workers observe the problems by experience, the problems can be found earlier by adopting the acceleration sensor and the motion sensor, and more processing time is reserved for the workers.
When the acceleration of the vertical direction of the tray is larger than the controllable acceleration, the goods are indicated to be quickly inclined and cannot be remedied, and the safety of operators should be guaranteed preferentially at the moment. Therefore, the electromagnetic valve is opened, gas in the telescopic cylinder 4 is released, the pressure of the telescopic cylinder 4 on the resistance block 5 is reduced, the friction force between the resistance block 5 and the carrying fork is reduced, the resistance of the carrying fork and the tray is reduced on the whole, the tray with the goods slides off the carrying fork more easily, and after the tray with the goods slides off the carrying fork, the forklift can be kept, the overturning of the forklift is avoided, and the safety of workers in the forklift is guaranteed.
The above are merely examples of the present invention, and the present invention is not limited to the field related to this embodiment, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art can know all the common technical knowledge in the technical field before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the scheme, and some typical known structures or known methods should not become barriers to the implementation of the present invention by those skilled in the art in light of the teaching provided in the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (9)
1. An intelligent tray comprises a tray body, a sensor group and a control chip, wherein the sensor group and the control chip are installed on the tray body;
the sensor group comprises a vibration sensor and a plurality of other sensors;
the vibration sensor is used for sending a vibration signal to the control chip when detecting the vibration of the tray body;
and the control chip is used for exiting the sleep mode and awakening other sensors in the sleep mode after receiving the vibration signal.
2. The intelligent tray of claim 1, wherein: the other sensors comprise acceleration sensors, the control chip is further used for awakening the acceleration sensors after exiting the sleep mode, acquiring acceleration data from the acceleration sensors, judging whether the tray body moves or not based on the acceleration data, and enabling the acceleration sensors to enter the sleep mode after first preset time if the tray body does not move.
3. The intelligent tray of claim 2, wherein: the intelligent tray also comprises a communication module; other sensors also include motion sensors for detecting steering angle data; the control chip is used for judging whether the tray body moves or not based on the acceleration data and also used for acquiring network condition information from the communication module; the network condition information is that a gateway is detected or not detected;
when the network condition information is that the gateway is detected, the control chip wakes up the motion sensor in the sleep mode;
and when the network condition information is that the gateway is not detected, the control chip does not wake up the motion sensor in the sleep mode.
4. The intelligent tray of claim 3, wherein: the control chip is also used for acquiring steering angle data from the motion sensor, judging whether the steering angle data exceeds a prestored steering threshold value or not, and reporting the steering angle data through the communication module if the steering angle data exceeds the prestored steering threshold value.
5. The intelligent tray of claim 4, wherein: the intelligent tray further comprises a memory, the control chip is further used for judging whether the acceleration data exceed a pre-stored acceleration threshold value, if yes, the acceleration data are stored into the memory when the gateway is not detected, and the acceleration data are reported through the communication module when the gateway is detected.
6. The intelligent tray of claim 5, wherein: the control chip is also used for discarding the steering angle data when the steering angle data does not exceed a pre-stored steering threshold value, and discarding the acceleration data when the acceleration data does not exceed a pre-stored acceleration threshold value.
7. The intelligent tray of claim 6, wherein: the control chip is further used for entering a sleep mode after the vibration signal is not received within a second preset time.
8. The intelligent tray of claim 7, wherein: the communication module is a LoRa wireless module.
9. The intelligent tray of claim 8, wherein: the second preset time is lower than the first preset time.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011623561.9A CN112857561B (en) | 2020-12-31 | 2020-12-31 | Intelligent tray |
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| CN202011623561.9A CN112857561B (en) | 2020-12-31 | 2020-12-31 | Intelligent tray |
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| CN112857561A true CN112857561A (en) | 2021-05-28 |
| CN112857561B CN112857561B (en) | 2023-06-13 |
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| CN107886284A (en) * | 2017-12-26 | 2018-04-06 | 青岛道合供应链管理有限公司 | A kind of staple commodities supply chain management system for internet of things based on wisdom pallet |
| CN110908719A (en) * | 2018-09-17 | 2020-03-24 | 梅特勒-托利多(常州)测量技术有限公司 | Dynamic power consumption management and awakening method and application system thereof |
| CN111521306A (en) * | 2020-05-12 | 2020-08-11 | 深圳芯易德科技有限公司 | Pressure sensor and weighing apparatus integrating vibration detection |
| JP2020122755A (en) * | 2019-01-31 | 2020-08-13 | Kddi株式会社 | Vibration detection device, vibration detection system and vibration detection method |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110080349A1 (en) * | 2009-10-02 | 2011-04-07 | Research In Motion Limited | Method of waking up and a portable electronic device configured to perform the same |
| CN202394103U (en) * | 2011-12-19 | 2012-08-22 | 家通电子商务（大连）有限公司 | Intelligent logistics transportation monitoring system with vibration wakening function |
| CN105480329A (en) * | 2015-12-06 | 2016-04-13 | 北京摩拜科技有限公司 | Anti-theft monitoring equipment, anti-theft monitoring method and anti-theft system for two-wheelers or three-wheelers |
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