CN217200844U - RFID depalletizer - Google Patents

Abstract

The utility model relates to a radio frequency identification depalletizer, comprising a depalletizer body, the stacker comprising a PLC control system and a drive system for driving the body to work, the PLC control system controls and connects the drive system, and the destacker The machine also includes a radio frequency identification module. The radio frequency identification module is provided with an interface. The radio frequency identification module is connected to the PLC control system by means of interface communication. Together, in use, there is no need to install other devices for RFID, which can increase the convenience of the depalletizer. When the staff needs to read the working status or production status of the depalletizer, the RFID The corresponding data can be read by the module identification. The integration of the radio frequency identification module and the PLC control module can save the installation cost of the equipment, and at the same time, it can make the depalletizing machine more concise, which is conducive to the maintenance of the equipment.

Description

RFID depalletizer

technical field

The utility model relates to the technical field of depalletizers, in particular to a radio frequency identification depalletizer.

Background technique

Depalletizer is a general term for depalletizers and palletizers, and is also often referred to as depalletizer equipment. In the packaging industry, with the continuous increase of labor costs and the continuous growth of the business volume of enterprises, the application of depalletizers and palletizers is becoming more and more extensive. Automated depalletizers and palletizers can be a good substitute for labor, effectively saving labor costs. At the same time, automated machinery can also allow many packaging actions to be completed efficiently, reduce manual participation, and improve production efficiency and production safety. With the continuous development and maturity of technology, the price of depalletizers has also become lower, and therefore, the application range has become wider and wider.

The depalletizer is controlled by PLC. In large work units, each depalletizer corresponds to a separate model, and different work information needs to be specially recorded. In the prior art, for the production information of different depalletizers, through Recorded in the form of radio frequency tags, but in the prior art, the radio frequency device does not belong to the depalletizer body, but is additionally added as a separate module. Due to the complex use environment of the depalletizer, the additional depalletizer It is inconvenient to use and prone to failure in unit production.

SUMMARY OF THE INVENTION

The invention proposes a radio frequency identification depalletizing machine, which has the characteristics of high integration degree and convenient use.

The technical scheme of the present invention is as follows:

A radio frequency identification depalletizer includes a depalletizer body, the stacker includes a PLC control system, and a drive system for driving the body to work, the PLC control system controls and connects the drive system, and is characterized in that the depalletizer The machine also includes a radio frequency identification module, the radio frequency identification module is provided with an interface, and the radio frequency identification module is connected to the PLC control system by means of the interface communication.

As a further optimization of this solution, the radio frequency identification module includes a radio frequency card U3 and an antenna L5, the radio frequency card U3 is connected to the PLC control system via the interface JP1, and the radio frequency card U3 is communicatively connected to the antenna L5 and the antenna L6.

As a further optimization of this solution, the model of the radio frequency card U3 is FM1702SL.

As a further optimization of this scheme, the RSTPD pin, NSS pin, SCK pin and two MISO pins of the radio frequency card U3 are connected to the interface JP1, and the TX1 pin and the TX2 pin of the radio frequency card U3 are respectively connected with The antenna L5 and the antenna L6, the other ends of the antenna L5 and the antenna L6 are grounded, a resistor R6 is provided between the VMID pin and the RX pin of the radio frequency card U3, and the RX pin is also connected in series through the resistor R7 and the capacitor. C9 connects to antenna L5.

As a further optimization of this solution, an inductor L3 is connected in series with the TX1 pin of the radio frequency card U3, and a filter capacitor is provided between the TX1 pin and the power ground; the TX2 pin of the radio frequency card U3 is connected in series with an inductor L4, and A filter capacitor is set between the TX2 pin and the power ground.

Capacitors C23, C24, C25, C26, C27 and C28 are respectively connected between the RSTPD pin, NSS pin, SCK pin and two MISO pins of the radio frequency card U3 and the power supply ground.

As a further optimization of this solution, the radio frequency identification module includes a radio frequency chip U1, an interface CN1, and interfaces J1 and J2. The interface CN1 is used to connect an external antenna, and the interfaces J1 and J2 are used to connect the PLC control system. The radio frequency chip U1 is connected to the interface CN1, the interface J1 and the interface J2 by means of wires, and the radio frequency chip U1 is also connected to a memory U2.

As a further optimization of this solution, the model of the radio frequency chip U1 is NRF24E1, and the model of the memory U2 is 25LC320.

As a further optimization of this solution, the ANT1 pin and the ANT2 pin of the radio frequency chip U1 are connected to the interface CN1, a crystal oscillator X1 is provided between the XC1 pin and the XC2 pin of the radio frequency chip U1, and the radio frequency chip U1 is provided with a crystal oscillator X1. The DVDD pin and the VSS pin of U1 are grounded, the P0.1-P0.7 pins of the radio frequency chip U1 are connected to the interface J2 as the output end of the radio frequency identification module by means of leads, and the AIN1-AIN7 pins of the radio frequency chip U1 lead The pins are connected to the interface J1 as the input terminal of the radio frequency identification module by means of leads, and the pins P0.0, P1.1 and P1.0 of the radio frequency chip U1 are connected to the memory U2.

As a further optimization of this scheme, the P0.0 pin of the radio frequency chip U1 is connected to the CS# pin of the memory U2, and the P1.0 pin of the radio frequency chip U1 is connected to the SCK pin of the memory U2, The P1.1 pin of the radio frequency chip U1 is connected to the SI pin of the memory U2, the P1.2 pin of the radio frequency chip U1 is connected to the SO pin of the memory U2, and the WP# pin of the memory U2 is connected. The pin is grounded through the resistor R5, and the VCC pin of the memory U2 is connected to a voltage source.

The working principle and beneficial effects of the present invention are:

In this solution, the radio frequency identification module, as part of the control system in the depalletizer, can be directly connected to the PLC control module and packaged together. When in use, there is no need to install other devices for radio frequency identification. The convenience of using the depalletizer. When the staff needs to read the working status or production status of the depalletizer, the corresponding data can be read by identifying the radio frequency identification module. The radio frequency identification module and the PLC control module can be read. The integration can save the installation cost of the equipment, and at the same time, it can make the depalletizer more concise, which is beneficial to the maintenance of the equipment.

Description of drawings

The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

Fig. 1 is the circuit schematic diagram of specific embodiment 1 in the utility model;

FIG. 2 is a schematic circuit diagram of the specific embodiment 1 of the present utility model.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts are all related to the protection scope of the present invention.

A radio frequency identification depalletizer includes a depalletizer body, the stacker includes a PLC control system, and a drive system for driving the body to work, the PLC control system controls and connects the drive system, and is characterized in that the depalletizer The machine also includes a radio frequency identification module, the radio frequency identification module is provided with an interface, and the radio frequency identification module is connected to the PLC control system by means of the interface communication.

Specific embodiment 1, as shown in FIG. 1 of the specification, the radio frequency identification module includes a radio frequency card U3 and an antenna L5, the radio frequency card U3 is connected to the PLC control system through the interface JP1, and the radio frequency card U3 is communicatively connected to the Antenna L5 and Antenna L6. The radio frequency card U3 is used as the core control unit of the radio frequency identification module, the model of the radio frequency card U3 is FM1702SL, and the RSTPD pin, NSS pin, SCK pin and two MISO pins of the radio frequency card U3 are connected to the interface JP1 , the TX1 pin and the TX2 pin of the radio frequency card U3 are respectively connected with the antenna L5 and the antenna L6, the other end of the antenna L5 and the antenna L6 is grounded, and between the VMID pin and the RX pin of the radio frequency card U3 A resistor R6 is provided, and the RX pin is also connected to the antenna L5 through a resistor R7 and a capacitor C9 connected in series. The antennas L5 and L6 are used for command interaction. The PLC control system can use the conventional control system in the prior art, leaving the radio frequency Communication Interface.

The TX1 pin of the radio frequency card U3 is connected in series with an inductor L3, and a filter capacitor is arranged between the TX1 pin and the power supply ground; the TX2 pin of the radio frequency card U3 is connected in series with an inductor L4, and the TX2 pin is connected to the power supply ground. A filter capacitor is arranged between the two, and capacitors C23, C24, C25, C26, C27 and C28 are respectively connected between the RSTPD pin, NSS pin, SCK pin and two MISO pins of the radio frequency card U3 and the power supply ground. Due to the high frequency of the RF signal, instability may occur. The inductors L3 and L4 play the role of various high-frequency noises. Multiple capacitors are connected in parallel, which can effectively play a filtering role to ensure the problem of RF signals and prevent glitches from affecting the use affects.

Specific embodiment 2, as shown in FIG. 2 of the specification, the radio frequency identification module includes a radio frequency chip U1, an interface CN1, and interfaces J1 and J2. The interface CN1 is used for an external antenna, and the interfaces J1 and J2 are used to connect the In the PLC control system, the radio frequency chip U1 is connected to the interface CN1, the interface J1 and the interface J2 by means of leads, the radio frequency chip U1 is also connected with a memory U2, and the model of the radio frequency chip U1 is NRF24E1, so the The model of the memory U2 is 25LC320. J1 is used as the input end of the radio frequency identification module to connect to the signal output end of the PLC control module, J2 is the output end of the radio frequency identification module connected to the signal input end of the PLC control module, and the memory U2 is used for the storage of the control program. The control of the RFID module by the PLC in the middle is realized through the internal program.

The ANT1 pin and the ANT2 pin of the radio frequency chip U1 are connected to the interface CN1, the crystal oscillator X1 is provided between the XC1 pin and the XC2 pin of the radio frequency chip U1, the DVDD pin, VSS pin of the radio frequency chip U1 The pins are grounded, the P0.1-P0.7 pins of the radio frequency chip U1 are connected to the interface J2 as the output end of the radio frequency identification module by means of leads, and the AIN1-AIN7 pins of the radio frequency chip U1 are connected to the interface by means of leads J1 is used as the input terminal of the radio frequency identification module, and pins P0.0, P1.1, and P1.0 of the radio frequency chip U1 are connected to the memory U2.

The P0.0 pin of the radio frequency chip U1 is connected to the CS# pin of the memory U2, the P1.0 pin of the radio frequency chip U1 is connected to the SCK pin of the memory U2, and the P1 pin of the radio frequency chip U1 .1 pin connects the SI pin of described memory U2, the P1.2 pin of described radio frequency chip U1 connects the SO pin of described memory U2, the WP# pin of described memory U2 is grounded through resistance R5, so The VCC pin of the memory U2 is connected to a voltage source.

In various embodiments, the hardware implementation of the technology may directly use existing smart devices, including but not limited to industrial computers, PCs, smart phones, handheld stand-alone machines, floor-standing stand-alone machines, and the like. Its input device preferably adopts screen keyboard, its data storage and calculation module adopts existing memory, calculator, controller, its internal communication module adopts existing communication port and protocol, its long-distance communication adopts existing gprs network, ten thousand Internet, etc.

Those skilled in the art can clearly understand that, for the convenience and simplicity of description, only the division of the above-mentioned functional units and modules is used as an example. Module completion means dividing the internal structure of the device into different functional units or modules to complete all or part of the functions described above. Each functional unit and module in the embodiment may be integrated in one processing unit, or each unit may exist physically alone, or two or more units may be integrated in one unit, and the above-mentioned integrated units may adopt hardware. It can also be realized in the form of software functional units. In addition, the specific names of the functional units and modules are only for the convenience of distinguishing from each other, and are not used to limit the protection scope of the present application. For the specific working process of the units and modules in the above-mentioned system, reference may be made to the corresponding process in the foregoing method embodiments, which will not be repeated here. Units described as separate components may or may not be physically separated, and components shown as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.

Each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit. The above-mentioned integrated units may be implemented in the form of hardware, or may be implemented in the form of software functional units. The integrated modules/units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer-readable storage medium. Based on this understanding, the present invention can implement all or part of the processes in the methods of the above embodiments, and can also be completed by instructing relevant hardware through a computer program. The computer program can be stored in a computer-readable storage medium, and the computer program is in When executed by the processor, the steps of the foregoing method embodiments can be implemented. Wherein, the computer program includes computer program code, and the computer program code may be in the form of source code, object code, executable file or some intermediate forms, and the like. The computer-readable medium may include: any entity or device capable of carrying computer program code, recording medium, U disk, removable hard disk, magnetic disk, optical disk, computer memory, Read-Only Memory (ROM), random access memory Memory (Random Access Memory, RAM), electric carrier signal, telecommunication signal and software distribution medium, etc. It should be noted that the content contained in computer-readable media may be appropriately increased or decreased in accordance with the requirements of legislation and patent practice in the jurisdiction. For example, in some jurisdictions, according to legislation and patent practice, computer-readable media does not include Electrical carrier signals and telecommunication signals.

The above-mentioned embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it is still possible to implement the foregoing implementations. The technical solutions described in the examples are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention, and should be included in the within the protection scope of the present invention.

The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention. within.

Claims (9)

1. The radio frequency identification depalletizer includes the depalletizer body, the stacker includes a PLC control system, and a drive system for driving the body to work, and the PLC control system controls and connects the drive system. The palletizer also includes a radio frequency identification module, the radio frequency identification module is provided with an interface, and the radio frequency identification module is connected to the PLC control system through the interface communication. 2. The radio frequency identification depalletizer according to claim 1, wherein the radio frequency identification module comprises a radio frequency card U3 and an antenna L5, and the radio frequency card U3 is connected to the PLC control system by means of an interface JP1, and the The radio frequency card U3 is communicatively connected to the antenna L5 and the antenna L6. 3. The radio frequency identification depalletizer according to claim 2, wherein the model of the radio frequency card U3 is FM1702SL. 4. radio frequency identification depalletizer according to claim 3, is characterized in that, the RSTPD pin, NSS pin, SCK pin and two MISO pins of described radio frequency card U3 connect interface JP1, described radio frequency card U3. The TX1 pin and the TX2 pin of the card U3 are respectively connected with the antenna L5 and the antenna L6, the other ends of the antenna L5 and the antenna L6 are grounded, and a resistor R6 is provided between the VMID pin and the RX pin of the radio frequency card U3 , the RX pin is also connected to the antenna L5 through the resistor R7 and the capacitor C9 connected in series. 5. The radio frequency identification depalletizer according to claim 4, wherein the TX1 pin of the radio frequency card U3 is connected in series with an inductance L3, and a filter capacitor is provided between the TX1 pin and the power ground; the described The TX2 pin of the RF card U3 is connected with an inductor L4 in series, and a filter capacitor is set between the TX2 pin and the power ground. Capacitors C23, C24, C25, C26, C27 and C28 are respectively connected between the RSTPD pin, NSS pin, SCK pin and two MISO pins of the radio frequency card U3 and the power supply ground. 6. The radio frequency identification depalletizer according to claim 1, wherein the radio frequency identification module comprises a radio frequency chip U1, an interface CN1, and interfaces J1 and J2, and the interface CN1 is used for an external antenna, and the interface J1 and J2 are used to connect to the PLC control system, the radio frequency chip U1 is connected to the interface CN1, the interface J1 and the interface J2 by means of wires, and the radio frequency chip U1 is also connected to a memory U2. 7 . The radio frequency identification depalletizer according to claim 6 , wherein the model of the radio frequency chip U1 is NRF24E1, and the model of the memory U2 is 25LC320. 8 . 8. radio frequency identification depalletizer according to claim 7, is characterized in that, the ANT1 pin and ANT2 pin of described radio frequency chip U1 connect described interface CN1, the XC1 pin of described radio frequency chip U1 and XC2 A crystal oscillator X1 is provided between the pins, the DVDD pins and VSS pins of the radio frequency chip U1 are grounded, and the P0.1-P0.7 pins of the radio frequency chip U1 are connected to the interface J2 by means of leads as a radio frequency identification module The output end, the AIN1-AIN7 pins of the radio frequency chip U1 are connected to the interface J1 as the input end of the radio frequency identification module by means of leads, and the P0.0, P1.1, and P1.0 pins of the radio frequency chip U1 are connected to the memory U2. 9. radio frequency identification depalletizer according to claim 7, is characterized in that, the P0.0 pin of described radio frequency chip U1 connects the CS# pin of described memory U2, the P1.0 of described radio frequency chip U1. The 0 pin is connected to the SCK pin of the memory U2, the P1.1 pin of the radio frequency chip U1 is connected to the SI pin of the memory U2, and the P1.2 pin of the radio frequency chip U1 is connected to the memory U2 The SO pin of the memory U2, the WP# pin of the memory U2 is grounded through the resistor R5, and the VCC pin of the memory U2 is connected to a voltage source.

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