CN209879509U - Digital twin simulation device and digital twin simulation system - Google Patents
Digital twin simulation device and digital twin simulation system Download PDFInfo
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- CN209879509U CN209879509U CN201920651407.9U CN201920651407U CN209879509U CN 209879509 U CN209879509 U CN 209879509U CN 201920651407 U CN201920651407 U CN 201920651407U CN 209879509 U CN209879509 U CN 209879509U
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Abstract
The application relates to a digital twin simulation device and a digital twin simulation system, wherein the device comprises a driving device, a first expansion device, a second expansion device and a third expansion device which are respectively connected with the driving device; the driving device is used for connecting the upper computer and the product equipment; the first expansion device, the second expansion device and the third expansion device are used for connecting product equipment; the driving device is used for receiving an information acquisition instruction of the upper computer, acquiring related parameters of product equipment according to the information acquisition instruction, and/or controlling and driving the first expansion device, the second expansion device and the third expansion device to acquire the related parameters of the product equipment and transmit the related parameters to the upper computer, wherein the related parameters are used for carrying out simulation on the product equipment. The device can acquire a large number of relevant parameters of product equipment, adopts a digital twinning technology to carry out simulation according to the relevant parameters, can know the performance and the like of the product equipment according to a simulation result, and has high data processing speed.
Description
Technical Field
The present application relates to the field of simulation systems, and in particular, to a digital twin simulation apparatus and a digital twin simulation system.
Background
With the continuous development of science and technology, the living standard of people is increased, and products (such as instruments, equipment and the like) become an unavailable part in daily life. With the shortening of the life cycle of the product and the enhancement of the customization degree of the product, the performance and the use condition of the product are effectively and accurately known to help a customer avoid loss, the real use condition of the customer is fed back to a design end, and the realization of effective improvement of the product is very important.
In order to know the performance of a product, a data acquisition system based on a single chip microcomputer is used for acquiring relevant parameters of the product, and then the parameters are transmitted to equipment such as an upper computer to analyze the parameters (such as simulation, modeling and the like), so that the relevant conditions of the product are known. However, the data collected by this method is usually relatively single, and the data processing process is also very complicated.
With the continuous development of the digitization technology, the digitization technology of today is continuously influencing or even changing enterprises. In the future, all enterprises will become digital companies, which not only requires the enterprises to develop products with digital features, but also means to change the design, development, manufacture and service processes of the whole products through digital means and connect the internal and external environments of the enterprises through digital means. Digital Twin (Digital Twin): the method fully utilizes data such as a physical model, sensor updating, operation history and the like, integrates a multidisciplinary, multi-physical quantity, multi-scale and multi-probability simulation process, and finishes mapping in a virtual space so as to reflect the full life cycle process of corresponding entity equipment. Therefore, the product and the like can be conveniently known by adopting the digital twinning technology.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a digital twin simulation device and a digital twin simulation system for solving the technical problems that the traditional data acquisition and analysis system based on a single chip microcomputer and an upper computer has single acquired data and very complex processing process.
The utility model provides a two life emulation devices of digit, include: the device comprises a driving device, a first expanding device, a second expanding device and a third expanding device, wherein the first expanding device, the second expanding device and the third expanding device are respectively connected with the driving device; the driving device is used for connecting an upper computer and product equipment; the first expansion device, the second expansion device and the third expansion device are used for connecting the product equipment.
The utility model provides a digital twin simulation device, drive arrangement, first extension set, second extension set and third extension set, drive arrangement connects first extension set, second extension set and second extension set respectively, and drive arrangement is used for connecting host computer and product equipment respectively, first extension set, second extension set, third extension set are used for connecting product equipment respectively, drive arrangement receives the information acquisition instruction of host computer, gather the phase parameter of product equipment, and/or control and drive first extension set, second extension set and third extension set and gather the relevant parameter of product equipment; then, the related parameters are transmitted to an upper computer, the upper computer can carry out simulation according to the related parameters, the device can collect a large number of related parameters (namely parameters such as performance and running state of product equipment) of the product equipment, and carry out simulation according to the related parameters by adopting a digital twin technology, and the performance and the like of the product equipment can be known according to a simulation result; the device can gather multiple type a large amount of data simultaneously on the one hand, and on the other hand data processing is fast.
Furthermore, the driving device comprises a first main controller, an interface circuit, a power supply management circuit, an input circuit and an output circuit, wherein the interface circuit, the power supply management circuit, the input circuit and the output circuit are respectively connected with the first main controller;
the first main controller is respectively connected with the first expansion device, the second expansion device and the third expansion device through the interface circuit; the interface circuit is used for connecting the upper computer; the input circuit, the output circuit, the first expansion device, the second expansion device and the third expansion device are respectively used for connecting the product equipment; the power supply management circuit is respectively connected with the first expansion device, the second expansion device and the third expansion device.
Further, the driving device also comprises an input and output indicator light circuit; the input and output indicator light circuit is respectively connected with the input circuit, the output circuit and the first main controller.
Further, the interface circuit comprises a USB interface circuit, an RS485 interface circuit and a network interface circuit which are respectively connected with the first main controller;
the first main controller is connected with the first expansion device, the second expansion device and the third expansion circuit through the RS485 interface circuit; the first expansion device controls the network interface or the USB interface circuit to be connected with the upper computer.
Further, the related parameters include a switching value and an analog value; the input circuit comprises a first switching value input circuit and an analog value input circuit; the output circuit comprises a first switching value output circuit and an analog value output circuit; the first switching value input circuit, the first switching value output circuit, the analog value input circuit and the analog value output circuit are respectively connected with the first main controller, and the first switching value input circuit, the first switching value output circuit, the analog value input circuit and the analog value output circuit are respectively used for being connected with the product equipment.
Further, the driving device further comprises a storage circuit; the storage circuit is connected with the first main controller.
Further, the driving device further comprises a display circuit.
Further, the first expansion device comprises a second main controller, a phase sequence detection circuit, a high voltage detection circuit, a low voltage detection circuit, a second switching value output circuit and a counting input circuit; the phase sequence detection circuit, the high voltage detection circuit, the low voltage detection circuit, the switching value output circuit and the counting input circuit are respectively connected through the second main controller to the first main controller, and the phase sequence detection circuit, the high voltage detection circuit, the low voltage detection circuit, the second switching value output circuit and the counting input circuit are respectively connected through the second main controller to the product equipment.
Further, the second expansion device includes a third main controller, an I/O scan circuit, and a discharge circuit; the I/O scanning circuit is connected with the second main controller through the third main controller and is connected with the product equipment; the I/O scanning circuit comprises multiple detection ports, each detection port is provided with a double isolating switch, and the discharge circuit is arranged between the double isolating switches of every two detection ports.
Further, the third expansion circuit comprises a fourth main controller, a digital quantity input circuit and a digital quantity output circuit; the digital quantity input circuit and the digital quantity output circuit are respectively connected with the first main controller through the fourth main controller, and the digital quantity input circuit and the digital quantity output circuit are respectively connected with the product equipment.
A digital twin simulation system comprises an upper computer, product equipment, a driving device, a first expansion device, a second expansion device and a third expansion device, wherein the first expansion device, the second expansion device and the third expansion device are respectively connected with the driving device; the driving device is connected with an upper computer and product equipment; the first expansion device, the second expansion device and the third expansion device are connected with the product equipment.
The digital twin simulation system has the corresponding beneficial effects with the digital twin simulation device due to the adoption of the digital twin simulation device; therefore, the digital twin simulation system can acquire a large number of relevant parameters (namely parameters such as product equipment performance and running state) of the product equipment, and adopts the digital twin technology to carry out simulation according to the relevant parameters, so that the performance of the product equipment can be known according to the simulation result; on one hand, the method can simultaneously collect a large variety of data, and on the other hand, the data processing speed is high.
Drawings
Fig. 1 is a diagram of an embodiment of a digital twin simulation apparatus according to the present invention;
fig. 2 is a view showing an embodiment of the driving device of the present invention;
fig. 3 is a diagram of an embodiment of a first main controller in the driving device of the present invention;
fig. 4 is a diagram of an embodiment of a power supply management circuit in the driving device of the present invention;
fig. 5 is a diagram of an embodiment of an input/output indicator light circuit in the driving device of the present invention;
fig. 6 is a diagram of an embodiment of an RS485 interface circuit and a network interface circuit in the driving device of the present invention;
fig. 7 is a diagram of an embodiment of the present invention, which includes an analog input circuit, an analog output circuit, a first switching value input circuit, and a second switching value output circuit;
fig. 8 is a diagram of an embodiment of a memory circuit in the driving device of the present invention;
fig. 9 is a diagram of an embodiment of a first expanding device of the present invention;
fig. 10 is a diagram of an embodiment of the phase sequence detection circuit, the high voltage detection circuit, and the counting input circuit of the present invention;
fig. 11 is a diagram of an embodiment of the low voltage detection circuit and the second switching value output circuit of the present invention;
fig. 12 is a diagram of an embodiment of a second expanding device of the present invention;
FIG. 13 is a diagram of an embodiment of a discharge circuit and an I/O scan circuit of the present invention;
FIG. 14 is a diagram of one embodiment of a digital switching value input circuit and a digital switching value output circuit of the present invention;
fig. 15 is a diagram of an embodiment of the digital twin simulation system of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The utility model provides a device; fig. 1 is a diagram of an embodiment of the digital twin simulation apparatus of the present invention. As shown in fig. 1, a digital twin simulation apparatus includes: the expansion device comprises a driving device 100, a first expansion device 200, a second expansion device 300 and a third expansion device 400 which are respectively connected with the driving device 100; the driving device 100 is used for connecting an upper computer and product equipment; the first expansion device 200, the second expansion device 300 and the third expansion device 400 are used for connecting product equipment; the driving device 100 is used for receiving an information acquisition instruction of the upper computer, acquiring relevant parameters of product equipment according to the information acquisition instruction, and/or controlling and driving the first expansion device 200, the second expansion device 300 and the third expansion device 400 to acquire the relevant parameters of the product equipment and transmit the relevant parameters to the upper computer, wherein the relevant parameters are used for performing simulation on the product equipment.
Specifically, the digital twin simulation device comprises a driving device 100, a first expanding device 200, a second expanding device 300 and a third expanding device 400, wherein the driving device 100 is connected with the first expanding device 200, the second expanding device 300 and the third expanding device 400 respectively; the driving device 100 has driving, information collecting and transmitting functions; on one hand, the driving device 100 is connected with an upper computer and can receive a control instruction of the upper computer, wherein the control instruction comprises an information acquisition instruction, an information acquisition stop instruction and the like, and the information acquisition instruction comprises information acquisition time, conditions, information types and the like; the information acquisition stopping instruction comprises information acquisition stopping time, conditions and the like; the driving device 100 may control the first expanding device 200, the second expanding device 300 or the third expanding device 400 to collect relevant parameters from the product equipment according to the control instruction; on the other hand, the driving device 100 is connected to the equipment, and the driving device 100 may also collect relevant parameters from the product equipment by using its own collection function according to the control instruction; and after the acquisition of the related parameters is finished, transmitting the related parameters to an upper computer.
The relevant parameters of the product equipment refer to all parameters related to the product equipment, and include product equipment shape parameters and technical parameters, wherein the shape parameters include model, length, width, material and the like, and the technical parameters include performance parameters and working state parameters, such as working temperature, pressure intensity, current, voltage, line connection condition and the like; the relevant parameters are determined according to specific product equipment, and the types of the specific parameters of different product equipment are different.
The first expansion device 200, the second expansion device 300, and the third expansion device 400 are generally information acquisition and transmission devices, and mainly function to detect or monitor product equipment, acquire relevant parameters, and transmit the relevant parameters, i.e., information input and output functions. The data acquisition is carried out in parallel by adopting a plurality of expansion devices, namely the first expansion device 200, the second expansion device 300 and the third expansion device 400, so that the data acquisition efficiency can be greatly improved.
The utility model provides a digital twin simulation device, drive arrangement 100, first extension set 200, second extension set 300 and third extension set 400, drive arrangement 100 connects first extension set 200 respectively, second extension set 300 and second extension set 400, and drive arrangement 100 is used for connecting host computer and product equipment respectively, first extension set 200, second extension set 300, third extension set 400 are used for connecting product equipment respectively, drive arrangement 100 receives the information acquisition instruction of host computer, gather the phase parameter of product equipment, and/or control and drive first extension set 200, second extension set 300 and third extension set 400 and gather the relevant parameter of product equipment; then, the related parameters are transmitted to an upper computer, the upper computer can carry out simulation according to the related parameters, the device can collect a large number of related parameters (namely parameters such as performance and running state of product equipment) of the product equipment, and carry out simulation according to the related parameters by adopting a digital twin technology, and the performance and the like of the product equipment can be known according to a simulation result; on one hand, the method can simultaneously collect a large variety of data, and on the other hand, the data processing speed is high.
In one embodiment, as shown in fig. 2, the driving apparatus 100 includes a first main controller 102, an interface circuit 104, a power supply management circuit 106, an input circuit 108 and an output circuit 110, which are respectively connected to the first main controller; the first main controller 102 is connected with the first expansion device 200, the second expansion device 300 and the third expansion device 400 through the interface circuit 104; the interface circuit 104 is used for connecting an upper computer; the input circuit 108, the output circuit 110, the first expansion device 200, the second expansion device 300 and the third expansion device 400 are respectively used for connecting product equipment; the power supply management circuit 106 is respectively connected with the first expansion device 200, the second expansion device 300 and the third expansion device 400; the power supply management circuit 106 is configured to convert the power supply voltage into a corresponding target voltage to supply power to the interface circuit 104, the input circuit 108, the output circuit 110, the first main controller 102, the first expansion device 200, the second expansion device 300, and the third expansion device 400.
Specifically, the driving apparatus 100 includes a first main controller 102, an interface circuit 104, a power supply management circuit 106, an input circuit 108, and an output circuit 110, wherein the first main controller 102 generally employs a CPU (central processing Unit/Processor) or an MCU (micro controller Unit). In a preferred embodiment, the first master controller 100 may be implemented using STM32F103VET6 LQFP100 (shown in FIG. 3).
The interface circuit 104 is a logic circuit used for connection among computers, between the computers and peripheral equipment, and between internal components of the computers, and is a bridge for information interaction between the CPU and external equipment; in this embodiment, the interface circuit 104 is mainly used between the first main controller 102 and the first expansion device 200, the second expansion device 300, the third expansion device 400, the product equipment, the upper computer, and other external devices, to connect the first main controller 102 and other devices (e.g., the first expansion device 200, the second expansion device 300, etc.), and perform information interaction. The types of the interface circuits 104 are various, and include a differential signal interface circuit, a USB interface circuit, a network interface circuit, and the like, and the various types of interface circuits are adopted to facilitate the connection of the first main controller 102 with other devices, and the appropriate types of interface circuits are selected according to different requirements, so that the device compatibility is good.
The main function of the power supply management circuit 106 is to supply power to the driving device 100, the first expansion device 200, the second expansion device 300, and the third expansion device 400 reasonably and accurately. Specifically, the power supply management circuit 106 is powered by a power supply voltage, which is typically DC24V, and then converts the power supply voltage to a corresponding target voltage; the target voltage is a voltage required by other devices when operating, the target voltage is usually not a certain value, the target voltages required by different devices are usually different, and the target voltages are actually required to be determined according to the types of the devices. For example, the target voltage may be 5V, 3.3V, 1.8V, or ± 15V, etc. In a preferred embodiment, the power supply management circuit 106 is mainly formed by integrating LM2576HVS, ASM1117 and a2415S chips, i.e. the core elements of the power supply management circuit are LM2576HVS, ASM1117 and a2415S chips (as shown in fig. 4).
The input circuit 108 mainly collects relevant parameters of product equipment; the output circuit 110 is mainly used for outputting relevant parameters of the product equipment.
In the driving apparatus, the first main controller 102 is an embedded system, and the real-time computing processing capability is strong. The equipment has stable and reliable work, high integration level, advanced technology and powerful function; the interface circuit 104 is convenient for expansion due to various external interface communication modes such as differential signals, networks, USB and the like.
In one embodiment, as shown in fig. 2, the driving apparatus 100 further includes an input/output indicator light circuit 112; the input/output indicator light circuit 112 is respectively connected with the input circuit 108, the output circuit 110 and the first main controller 102; the input output indicator light circuit 112 is configured to turn on in the event of a failure of the input circuit 108 and/or the output circuit 110.
The input/output indicator light circuit 112 is used to indicate or identify the operation status of the input circuit 108 and the output circuit 110, so as to quickly determine whether the input circuit 108 and the output circuit 110 are working normally and timely troubleshoot faults. In an alternative embodiment, the input/output indicator light circuit 112 is turned on when either or both of the input circuit 108 and the output circuit 110 fail, where turning on usually means that the corresponding indicator light is turned on, or the indicator light may flash, etc.
In another alternative embodiment, the input/output indicator light circuit 112 may also be turned on when the states of the input circuit 108 and the output circuit 110 are normal, that is, normal operation, and when a fault occurs in either or both of the input circuit 108 and the output circuit 110, the input/output indicator light circuit 112 is turned on or off, for example, turned off, and the like, where the structure of the indicator light circuit is as shown in fig. 5.
The input and output indicator light circuit 112 can indicate the working state of the input circuit 108 and the output circuit 110, so that the input circuit 108 and the output circuit 110 can be checked and repaired in time when faults occur.
In one embodiment, the interface circuit comprises a USB interface circuit, an RS485 interface circuit and a network interface circuit which are respectively connected with the first main controller; the first main controller is connected with the first expansion device, the second expansion device and the third expansion circuit through an RS485 interface circuit; the first expansion device controls the network interface or the USB interface circuit to be connected with the upper computer.
Specifically, the types of the interface circuit are various, including a USB interface circuit, an RS485 interface circuit, and a network interface circuit (see fig. 6). The RS485 interface circuit is mainly used for connecting an expansion board or a PLC; the USB interface circuit is mainly used for connecting an IPad or a PC; the network interface circuit is mainly used for connecting a PLC, an Internet network or a local area network. Optionally, the network interface circuit further includes an RJ45 network interface circuit and a wifi module interface circuit; the RJ45 network interface circuit is used for connecting a PLC or an Internet network, and the wifi module interface circuit is used for connecting the Internet network or a local area network. And a plurality of external interface communication modes are adopted, so that the expansion is greatly facilitated.
Optionally, the WIFI module interface circuit is a USR-WIFI232-a2 module; the USR-WIFI232-A2 module is an integrated 802.11b/g/n module, and through the WIFI module, a traditional serial port device or a device controlled by the MCU can be conveniently accessed into a WIFI wireless network, so that the Internet of things control and management are realized. Protocol conversion is completed inside the serial port-to-wifi module, and bidirectional transparent transmission of data between the serial port and wifi can be achieved through simple setting.
In one embodiment, the relevant parameters include a switching value and an analog value; the input circuit comprises a first switching value input circuit and an analog value input circuit; the output circuit comprises a first switching value output circuit and an analog value output circuit; the first switching value input circuit, the first switching value output circuit, the analog quantity input circuit and the analog quantity output circuit are respectively connected with the first main controller, and the first switching value input circuit, the first switching value output circuit, the analog quantity input circuit and the analog quantity output circuit are respectively used for being connected with product equipment; the switching value input circuit is used for acquiring the switching value of product equipment; the switching value output circuit is used for outputting a switching value; the analog quantity input circuit is used for collecting and outputting analog quantity of product equipment; the analog quantity output circuit is used for outputting analog quantity.
Specifically, the switching value includes an input value and an output value, and refers to an auxiliary point of a device, such as an auxiliary point of a relay (displacement after overtemperature of the transformer) carried by a temperature controller of the transformer, an auxiliary point (displacement after valve switch) carried by a valve cam switch, an auxiliary point (displacement after contactor action) carried by a contactor, and a thermorelay (displacement after thermorelay action), which are generally transmitted to the PLC or the integrated protection device, and a power supply is generally provided by the PLC or the integrated protection device. The switching value has only two states 0 and 1, and the reaction is the state, which is an on-off signal, while the switching value in this embodiment refers to the switching value of the product device. Analog refers to a physical quantity that is continuous in both time and quantity; the analog signal is an analog signal whose amplitude continuously changes with time, and after sampling and quantization, the analog signal can be a digital value, which usually reflects the value of the electrical quantity (e.g. current, voltage, etc.) in the circuit. In the present embodiment, the analog quantity refers to an analog quantity of a product device.
In this embodiment, the input circuit includes a switching value input circuit and an analog value input circuit, and the switching value input circuit is mainly used for acquiring the switching value of the product equipment; the analog quantity input circuit is mainly used for acquiring analog quantity of product equipment; the output circuit comprises a switching value output circuit and an analog value output circuit, the switching value output circuit is used for outputting the switching value of the product equipment, and the analog value output circuit is used for outputting the analog value of the product equipment.
Optionally, the switching value input circuit and the switching value output circuit may be multiple paths, and simultaneous input and output of multiple paths of switching values may be realized; in an alternative embodiment, the switching value input circuit and the switching value output circuit may be 8-way (as shown in fig. 7, in which only 2-way switching value input circuit is shown and only 4-way switching value output circuit is shown).
Alternatively, the analog input circuit and the analog output circuit may be input or output circuits of voltage or current, wherein the value range of the input or output voltage or current is variable, i.e. the input or output voltage or current is not a fixed value and may be a plurality of continuous values. In addition, the analog input circuit and the analog output circuit can be in multiple paths, so that the input and the output of multiple paths of signals are convenient, and the information processing speed is greatly improved. In a preferred embodiment, the analog input circuit can be a 0-20mA or 0-10V analog input circuit; the analog quantity output circuit can be a 4-20mA analog quantity output circuit, wherein the analog quantity input circuit and the analog quantity output circuit are 2-way circuits (as shown in figure 7).
In one embodiment, as shown in fig. 2, the driving apparatus 100 further includes a memory circuit 114; the storage circuit 114 is connected to the first main controller 102, and the storage circuit 114 is used for storing information acquisition instructions and related parameters.
Specifically, the storage circuit 114 temporarily stores various collected data, state information and the like, so that data can be conveniently called and uploaded to an upper computer, and the condition of loss caused by slow information transmission is avoided. The specific structure of the memory circuit is shown in fig. 8.
In one embodiment, the driving apparatus further includes a display circuit 116, and the display circuit 116 is used for displaying the information acquisition instruction and the related parameters.
The display circuit 116 is used for displaying information acquisition instructions and related parameters, such as displaying communication connection parameters, acquiring various acquired data or status information, configuring communication parameters, and the like, so that a user or a worker can know the related information of the simulation device and product equipment of the product in real time and perform corresponding operations.
In one embodiment, as shown in fig. 9, the first extension apparatus 200 includes a second main controller 202, a phase sequence detection circuit 204, a high voltage detection circuit 206, a low voltage detection circuit 208, a second switching value output circuit 210, and a count input circuit 212; the phase sequence detection circuit 204, the high voltage detection circuit 206, the low voltage detection circuit 208, the second switching value output circuit 210 and the counting input circuit 212 are respectively connected with the first main controller 102 through the second main controller 202, and the phase sequence detection circuit 204, the high voltage detection circuit 206, the low voltage detection circuit 208, the second switching value output circuit 210 and the counting input circuit 212 are respectively connected with the product equipment through the second main controller 202; the phase sequence detection circuit 204 comprises a plurality of paths and is used for monitoring the positive and negative rotation states of a three-phase motor of product equipment or detecting a high-voltage alternating-current signal; the high voltage detection circuit 206 includes multiple high voltage detection ports for detecting ac signals; the low-voltage detection circuit 208 includes a multi-path low-voltage detection port for detecting ac/dc signals; the second switching value output circuit 210 includes a multi-switch output detection port for detecting all switching values; the counting input circuit 212 comprises a multi-path detection port for detecting a high-speed pulse signal of a motor encoder of the production equipment and recording the rotating speed of the motor.
Specifically, the phase sequence detecting circuit 204 is usually a 380V phase sequence detecting circuit, wherein the detecting circuit has multiple paths, and is used for monitoring the phase sequence condition of the three-phase motor and analyzing the forward and reverse rotation states. In addition, the phase sequence detection circuit 204 further includes a multi-path high voltage detection port, which can be used for detecting an ac signal. Preferably, the phase sequence detection circuit is a 6-way phase sequence detection circuit, wherein the 6-way phase sequence detection circuit can be used as 18-way high-voltage detection ports (as shown in fig. 10, only one circuit is shown in the figure, one circuit has 18 circuits, the number of the circuits is 6, and each circuit has 3 circuits). The high voltage detection circuit 206 is generally a 220V detection circuit, and includes multiple high voltage detection ports for detecting 110-220V AC voltage. Preferably, the 220V detection circuit includes 8 high voltage detection ports, which can be used to output multiple ac voltages simultaneously (as shown in fig. 10, only 1 line is shown, and there are 8 lines in total). The low-voltage detection circuit 208 comprises a multi-path low-voltage detection port and is used for detecting 5-36V alternating current and direct current voltage; preferably, the low voltage detection circuit 208 includes 6 low voltage detection ports, which can be used to output multiple ac/dc voltages simultaneously (as shown in fig. 11, only 1 detection port is shown). The second switching value output circuit 210 includes a multi-switch output detection port for detecting all switching values; preferably, the second switching value output circuit comprises 16 switching outputs, and is compatible with all switches of the common electrical circuit (as shown in fig. 10, only 1 switching output is shown, and 16 switches are provided). The counting input circuit 212 comprises a plurality of detection ports for measuring high-speed pulse signals such as a motor encoder and recording the rotating speed of the motor; preferably, the count input circuit includes a 4-way detection port (as shown in FIG. 10).
In one embodiment, as shown in FIG. 12, the second expansion device 300 includes a third main controller 302, an I/O scan circuit 304, and a discharge circuit 306; the I/O scanning circuit 302 is connected with the second main controller 202 through the third main controller 302, and the I/O scanning circuit 304 is connected with product equipment; the I/O scanning circuit 304 comprises a plurality of detection ports, each detection port is provided with a double isolating switch, and the discharging circuit 306 is arranged between the double isolating switches of every two detection ports; the I/O scanning circuit 304 is used for detecting the open/close state of each line connection point in the electric line of the product equipment and determining the connection state of each line according to the open/close state; the discharge circuit 304 is used to discharge the electric storage device of the product device when the high voltage is cut off.
I/O scan circuitry 304 is typically multiplexed; preferably, the I/O scanning circuit 304 has 70 lines, and is configured to detect 70 line connection points in the electrical line, and can detect a relationship between each 1 point and other 69 points, whether the connection is connected or disconnected, and by comparing the detected connection relationship with a correct connection relationship of the electrical line, the wiring correctness can be determined; in addition, the detection ports of all the I/O scanning circuits are provided with double isolating switches. A discharge circuit 306 is installed in the middle of each I/O scan circuit to ensure that the single I/O scan circuit 304 can be turned on only after the power stored in a few power storage parts in the product equipment is discharged after the high voltage is turned off (as shown in fig. 13, only 1 circuit is shown).
In one embodiment, the third expansion circuit comprises a fourth main controller, a digital quantity input circuit and a digital quantity output circuit; the digital quantity input circuit and the digital quantity output circuit are respectively connected with the first main controller through a fourth main controller, and the digital quantity input circuit and the digital quantity output circuit are respectively connected with product equipment; the digital quantity input circuit is used for acquiring digital switching values of product equipment; the digital quantity output circuit is used for outputting digital switching quantity of the product equipment.
Specifically, the digital quantity refers to a signal type consisting of 0 and 1, and is usually a regular signal after being encoded. The digital quantity is composed of a plurality of switching quantities, for example three switching quantities may constitute a digital quantity representing eight states. The digital quantity input circuit and the digital quantity output circuit are the expansion of the input and output ports of the driving device, and can be a plurality of paths, and are also used for the input and output of digital switching values. In a preferred embodiment, the digital switching value input circuit and the digital switching value output circuit comprise 24 circuits, and can be used for inputting and outputting multiple signals simultaneously, so that the transmission efficiency is greatly improved.
In an alternative embodiment, the second master controller 202, the third master controller 302, and the fourth master controller may be implemented using STM32F103VET6 LQFP 100.
According to the above digital twin simulation device, the embodiment of the present invention further provides a digital twin simulation system.
A digital twin simulation system, as shown in fig. 10, includes an upper computer 20, a product device 30, a driving device 100, a first expansion device 200, a second expansion device 300, and a third expansion device 400 connected to the driving device 100, respectively; the driving device 100 is connected with the upper computer 20 and the product equipment 30; the first expansion device 200, the second expansion device 300 and the third expansion device 400 are connected with the product equipment 30; the driving device 100 is configured to receive an information acquisition instruction of the upper computer 20, acquire relevant parameters of product equipment according to the information acquisition instruction, and/or control and drive the first expansion device 200, the second expansion device 300, and the third expansion device 400 to acquire the relevant parameters of the product equipment, and transmit the relevant parameters to the upper computer 30, where the relevant parameters are used for performing simulation on the product equipment.
The digital twin simulation system has the corresponding beneficial effects with the digital twin simulation device due to the adoption of the digital twin simulation device; therefore, the digital twin simulation system can acquire a large number of relevant parameters (namely parameters such as product equipment performance and running state) of the product equipment, and adopts the digital twin technology to carry out simulation according to the relevant parameters, so that the performance of the product equipment can be known according to the simulation result; on one hand, the method can simultaneously collect a large variety of data, and on the other hand, the data processing speed is high.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (11)
1. A digital twinning simulation apparatus, comprising: the device comprises a driving device, a first expanding device, a second expanding device and a third expanding device, wherein the first expanding device, the second expanding device and the third expanding device are respectively connected with the driving device; the driving device is used for connecting an upper computer and product equipment; the first expansion device, the second expansion device and the third expansion device are used for connecting the product equipment.
2. The digital twin simulation apparatus according to claim 1, wherein the driving apparatus includes a first main controller, an interface circuit, a power supply management circuit, an input circuit, and an output circuit, which are connected to the first main controller, respectively;
the first main controller is respectively connected with the first expansion device, the second expansion device and the third expansion device through the interface circuit; the interface circuit is used for connecting the upper computer; the input circuit, the output circuit, the first expansion device, the second expansion device and the third expansion device are respectively used for connecting the product equipment; the power supply management circuit is respectively connected with the first expansion device, the second expansion device and the third expansion device.
3. The digital twinning simulation device of claim 2, wherein the driving device further comprises an input and output indicator light circuit; the input and output indicator light circuit is respectively connected with the input circuit, the output circuit and the first main controller.
4. The digital twin simulation apparatus according to claim 3, wherein the interface circuit includes a USB interface circuit, an RS485 interface circuit, and a network interface circuit, which are connected to the first main controller, respectively;
the first main controller is connected with the first expansion device, the second expansion device and the third expansion circuit through the RS485 interface circuit; the first expansion device controls the network interface or the USB interface circuit to be connected with the upper computer.
5. The digital twin simulation apparatus according to claim 2, wherein the relevant parameters include a switching quantity and an analog quantity;
the input circuit comprises a first switching value input circuit and an analog value input circuit; the output circuit comprises a first switching value output circuit and an analog value output circuit; the first switching value input circuit, the first switching value output circuit, the analog value input circuit and the analog value output circuit are respectively connected with the first main controller, and the first switching value input circuit, the first switching value output circuit, the analog value input circuit and the analog value output circuit are respectively used for being connected with the product equipment.
6. The digital twinning simulation device of any of claims 2-5, wherein the driving device further comprises a memory circuit; the storage circuit is connected with the first main controller.
7. The digital twinning simulation device of claim 6, wherein the driving device further comprises a display circuit.
8. The digital twin simulation device according to any one of claims 2 to 5, wherein the first extension device includes a second main controller, a phase sequence detection circuit, a high voltage detection circuit, a low voltage detection circuit, a second switching value output circuit, and a count input circuit; the phase sequence detection circuit, the high voltage detection circuit, the low voltage detection circuit, the second switching value output circuit and the counting input circuit are respectively connected through the second main controller to the first main controller, and the phase sequence detection circuit, the high voltage detection circuit, the low voltage detection circuit, the second switching value output circuit and the counting input circuit are respectively connected through the second main controller to the product equipment.
9. The digital twin simulation apparatus of claim 8, wherein the second extension means includes a third main controller, an I/O scan circuit, and a discharge circuit; the I/O scanning circuit is connected with the second main controller through the third main controller and is connected with the product equipment; the I/O scanning circuit comprises multiple detection ports, each detection port is provided with a double isolating switch, and the discharge circuit is arranged between the double isolating switches of every two detection ports.
10. The digital twinborn simulation device of any one of claims 2-5, wherein the third expansion circuit comprises a fourth main controller, a digital quantity input circuit and a digital quantity output circuit; the digital quantity input circuit and the digital quantity output circuit are respectively connected with the first main controller through the fourth main controller, and the digital quantity input circuit and the digital quantity output circuit are respectively connected with the product equipment.
11. A digital twin simulation system is characterized by comprising an upper computer, product equipment, a driving device, a first expansion device, a second expansion device and a third expansion device, wherein the first expansion device, the second expansion device and the third expansion device are respectively connected with the driving device; the driving device is connected with an upper computer and product equipment; the first expansion device, the second expansion device and the third expansion device are connected with the product equipment.
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| CN201920651407.9U CN209879509U (en) | 2019-05-08 | 2019-05-08 | Digital twin simulation device and digital twin simulation system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110008647A (en) * | 2019-05-08 | 2019-07-12 | 广东三向智能科技股份有限公司 | The twin simulator of number and the twin analogue system of number |
| CN111338300A (en) * | 2020-02-27 | 2020-06-26 | 广东工业大学 | Physical simulation method and system of production line based on digital twins |
| US11067970B1 (en) | 2020-02-27 | 2021-07-20 | Guangdong University Of Technology | Method for designing production line based on digital twin |
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2019
- 2019-05-08 CN CN201920651407.9U patent/CN209879509U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110008647A (en) * | 2019-05-08 | 2019-07-12 | 广东三向智能科技股份有限公司 | The twin simulator of number and the twin analogue system of number |
| CN111338300A (en) * | 2020-02-27 | 2020-06-26 | 广东工业大学 | Physical simulation method and system of production line based on digital twins |
| US11067970B1 (en) | 2020-02-27 | 2021-07-20 | Guangdong University Of Technology | Method for designing production line based on digital twin |
| WO2021169598A1 (en) * | 2020-02-27 | 2021-09-02 | 广东工业大学 | Digital twinning-based physical simulation method for production line and system thereof |
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