CN216185152U - Safety monitoring system for running part of urban railway vehicle - Google Patents
Safety monitoring system for running part of urban railway vehicle Download PDFInfo
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- CN216185152U CN216185152U CN202122750980.5U CN202122750980U CN216185152U CN 216185152 U CN216185152 U CN 216185152U CN 202122750980 U CN202122750980 U CN 202122750980U CN 216185152 U CN216185152 U CN 216185152U
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Abstract
The invention discloses a safety monitoring system for a running part of an urban railway vehicle, which comprises a vehicle host, a train bus, vehicle extensions, a front processor, the vehicle bus, a composite sensor, a sensor patch cord and a speed sensor. The vehicle host machine and the vehicle extension set communicate through a train bus to acquire data of a diagnosis subsystem of the vehicle extension set, and the data are displayed, alarmed, output and downloaded in a centralized manner; and provides the rotation speed signal to the extension of the vehicle through the train bus; control instructions are sent to the vehicle extensions, vibration and temperature states of urban railway bearings are effectively monitored, and running states of trains are evaluated, so that faults are prevented, and the vehicle host and the vehicle extensions can be connected with the front processors to perform collection functions. The invention has novel design, simple structure and cost saving. The invention has important significance for the safe operation of urban rail transit.
Description
Technical Field
The invention relates to a safety monitoring system, in particular to a safety monitoring system for a running gear of an urban rail transit vehicle.
Background
The urban rail transit industry in China is developed at a high speed in an ultra-conventional way, and several big data fully indicate the situation: by the end of 2020, 44 cities in China have been built and put into operation rail transit, and the operation mileage breaks 7000 kilometers; in the end of 2020, 58 rail transit lines are newly added in China, and the newly added operation mileage exceeds 1000 kilometers. In 2021, it is the open year of fourteen-five in China, the urban rail transit in China will step into new construction and operation mileage, will come to the new stage of urban circle rail transit development, the rail transit industry will enter the new era of "four-network integration" of main railways, intercity railways, urban area railways and urban rail transit, and the integration of regional development accelerates the implementation. With the establishment and operation of more and more track lines, the requirement for improving the operation quality is increasingly prominent, and the China track traffic market still has huge development opportunities.
The increasing of the operating mileage and the continuous investment of a large number of rail transit vehicles, the vehicles run on the rail at full load or even overload for more than ten hours each day, the operating time interval of the vehicles at peak hours is even less than 2 minutes. Facing the situation that the operation of the urban rail transit industry in China already has the scale and is still continuously developed at a high speed in an ultra-conventional way, one problem is seriously faced: how to ensure the safety of the operation of the urban rail transit train.
Among the various vehicle failures, it is important to prevent a running gear safety failure. All loads of the rail vehicle are loaded on the running part, once the running part of the vehicle breaks down, the vehicle stops for cleaning passengers slightly, and serious personal, equipment and road accidents are caused seriously.
For the monitoring system of the urban railway running gear, most of the means adopted in the prior art for monitoring the train running gear are fault post-monitoring, although the faults can be found to a certain extent, the fault finding real-time performance is low, the types of the monitored faults are single, and the potential faults of the train running gear cannot be comprehensively checked. And part of the monitoring systems are only connected with the front processor in a branch manner, so that the cost for manufacturing the diagnostic instrument is increased.
Disclosure of Invention
The invention aims to provide a safety monitoring system for a running part of an urban railway vehicle, which can monitor the vibration speed and the temperature of a bearing in real time and carry out early warning and accurate positioning on faults.
In order to achieve the purpose, the invention provides a safety monitoring system for a running part of an urban railway vehicle, which comprises a vehicle host, a train bus, vehicle extensions, a front processor, a vehicle bus, a composite sensor, a sensor patch cord and a speed sensor.
The vehicle host is connected with a front processor which can realize network management of a composite sensor of a controlled measuring point, complete signal preprocessing or data acquisition and carry out interactive communication with a vehicle comprehensive diagnostic instrument, the front processor is connected with the composite sensor through a sensor patch cord, the composite sensor is arranged on a bearing seat of each carriage of a train, the vehicle host is connected with a vehicle extension which can diagnose subsystem data through train bus communication, the vehicle host is connected with a speed sensor, and the speed sensor is arranged on a rotating part of the vehicle.
The vehicle extension is connected with the front processor, and the front processor is connected with the composite sensor through a sensor patch cord.
The vehicle host comprises a host board, a power panel and a light display panel, wherein the host board of the vehicle host comprises a host ARM panel, the host ARM panel is connected with a configuration electrically erasable memory chip, the host ARM panel is respectively connected with a network interface, a clock and a large data memory, the host ARM panel is connected with a programmable gate array, the programmable gate array is respectively connected with a digital IO (input/output), a communication interface and a rotating speed processing circuit, and the host ARM panel and the programmable gate array are both connected with a voltage stabilizing circuit;
the vehicle extension comprises a main board, a power panel and a lamp display panel, the main board of the vehicle extension comprises an extension ARM panel, the extension ARM panel is connected with a configuration electric erasable storage chip, the extension ARM panel is respectively connected with a network interface, a clock and a big data memory, the extension ARM panel and the configuration electric erasable storage chip are respectively connected with a programmable gate array FPGA, the programmable gate array is respectively connected with a digital IO (input/output), a communication interface and a rotating speed processing circuit, and the extension ARM panel and the programmable gate array FPGA are both connected with a voltage stabilizing circuit.
In the safety monitoring system for the urban railway vehicle running part, each train is provided with 2 vehicle hosts and 4 vehicle extensions in an optimal mode, the 2 vehicle hosts are respectively placed in the cabinets of the 2 sections of trailers, and the 4 vehicle extensions are respectively placed in the cabinets of the 4 sections of motor cars.
In the safety monitoring system for the urban railway vehicle running gear, the composite sensor is preferably mounted on the axle box body, the traction motor and the gear box of the vehicle through a single mounting hole.
In the above safety monitoring system for the running gear of the urban railway vehicle, in a preferred mode, the pre-processor has 4 composite sensor interfaces, 1 vehicle bus interface and 1 control panel, and the composite sensor interfaces acquire input signals from the composite sensors; the signal received by the composite sensor interface is output to the bus interface of the front processor through the signal output interface after passing through the control panel and is transmitted to the bus interface of the vehicle of the comprehensive diagnostic instrument; and the control panel receives a control instruction of the comprehensive diagnostic instrument through a bus interface of the front processor.
In the safety monitoring system for the running gear of the urban railway vehicle, in an optimal mode, the composite sensor is connected to the composite sensor interface of the front-end processor through a sensor patch cord.
The vibration and temperature state of the urban railway bearing can be effectively monitored, the running state of the train is evaluated, and therefore faults are prevented. The invention has novel design, simple structure and cost saving. The invention has important significance for the safe operation of urban rail transit.
Drawings
FIG. 1 is a block diagram of the system structure of the safety monitoring system for running gear of an urban railway vehicle.
FIG. 2 is a schematic block diagram of a vehicle host power supply module system of the safety monitoring system for the running gear of the urban railway vehicle.
FIG. 3 is a schematic block diagram of a vehicle host control module system of the safety monitoring system for the running gear of the urban railway vehicle.
FIG. 4 is a top view of a vehicle main body structure of the safety monitoring system for the running gear of the urban railway vehicle.
FIG. 5 is a side view of a vehicle main body structure of the safety monitoring system for the running gear of the urban railway vehicle.
FIG. 6 is a front view of a vehicle main body structure of the safety monitoring system for running parts of an urban railway vehicle.
FIG. 7 is a side view of the front processor structure of the safety monitoring system for running gear of an urban railway vehicle.
FIG. 8 is a top view of the front processor structure of the safety monitoring system for running gear of an urban railway vehicle.
FIG. 9 is a front view of a front processor structure of the safety monitoring system for running gear of an urban railway vehicle.
FIG. 10 is a view showing a structure of a composite sensor of the safety monitoring system for a running gear of an urban railway vehicle according to the present invention.
FIG. 11 is a vehicle host communication process diagram of the safety monitoring system for the running gear of the urban railway vehicle.
FIG. 12 is a communication process diagram of the extension of the vehicle of the safety monitoring system for the running gear of the urban railway vehicle.
In the figure: 1. the system comprises a vehicle host, 2, a vehicle extension, 3, a front processor, 4, a composite sensor, 11, a host board, 12, a power panel, 13, a light display panel, 21, a vehicle bus interface, 22, a control panel, 23 and a composite sensor interface.
Detailed Description
The invention relates to a safety monitoring system for a running part of an urban railway vehicle, in particular to an on-line vehicle-mounted dynamic monitoring, analyzing and early warning device which is specially developed for ensuring the safe running of a rail vehicle. The system adopts an Ethernet +485 bus type structure form, takes an ARM embedded core mainboard as a system framework, integrates and applies a multifunctional sensor technology, a low-distortion anti-mixing filter technology, a resonance demodulation technology, a wavelet analysis technology, an expert diagnosis technology and the like, can monitor the temperature of a bearing, can comprehensively monitor and diagnose the working surface of key components such as a motor, a bearing, a gear and the like of a walking part and the wheel set tread, and can early warn and accurately position faults. The rail vehicle monitoring system is provided with an interface connected with a vehicle operation maintenance system, and the rail vehicle operation maintenance data, the on-line state monitoring comprehensive information and the early warning information are shared.
As shown in figure 1, the safety monitoring system for the urban railway vehicle running gear comprises a vehicle main machine 1, a train bus, a vehicle extension 2, a front processor 3, a vehicle bus, a composite sensor 4, a sensor patch cord and a speed sensor.
The vehicle host 1 and the vehicle extension 2 communicate through a train bus to acquire data of a diagnosis subsystem of the vehicle extension for centralized display, alarm, output and download; and provides the rotation speed signal to the extension of the vehicle through the train bus; and sending a control instruction to the extension set of the vehicle. The train bus is a 485 bus.
The vehicle host 1 is connected with a front processor 3 which can realize the network management of a compound sensor of a controlled measuring point, complete the preprocessing or data acquisition of a signal and carry out interactive communication with a vehicle comprehensive diagnostic instrument, the front processor 3 is connected with the compound sensor 4 through a sensor patch cord, the compound sensor 4 is arranged on a bearing seat of each carriage of a train, the vehicle host 1 is connected with a vehicle extension 2 which can diagnose subsystem data through train bus communication, the vehicle host 1 is also connected with a speed sensor at the same time, the speed sensor is arranged on a rotating part of the vehicle, and the vehicle host 1 and the vehicle extension 2 are communicated through the train bus; the vehicle host 1, the vehicle host 2 and the front processor 3 are communicated through a vehicle bus; the front-end processor 3 communicates with the combi-sensor 4 via a sensor patch cord. Each train has 2 vehicle hosts 1 and 4 vehicle extensions 2. Each vehicle host 1 and each vehicle extension 2 of the safety monitoring system of the urban railway vehicle running part independently manage 1 carriage, automatically implement diagnosis and alarm and implement data independent storage, the vehicle extensions 2 are connected with a front processor 3, and the front processor is connected with a composite sensor 4 through a sensor patch cord.
The speed sensor on the train transmits a speed signal to the vehicle host 1, the vehicle host 1 transmits a rotating speed signal to the vehicle extension 2 through a train bus, meanwhile, the vehicle host 1 processes the speed signal, all acquired data are transmitted to the vehicle host 1, and analysis and evaluation are carried out after data of each section of the train are acquired.
2 vehicle hosts 1 of the safety monitoring system of the urban railway vehicle running part are respectively placed in cabinets of 2 sections of trailers, and the vehicle hosts 1 simultaneously acquire data of all the vehicle extensions 2 and the vehicles themselves and provide interfaces for downloading and outputting information. The device is used for controlling the pre-processor 3 to acquire the temperature, vibration and impact information of the composite sensor 4, process and diagnose the information and output an alarm to a faulty measuring point. The power supply source of the vehicle main body 1 is DC 110V.
The vehicle extension 2 is connected with a front processor 3, and the front processor 3 is connected with a composite sensor 4 through a sensor patch cord; 4 vehicle sub-units 2 of the safety monitoring system of the urban railway vehicle running part are respectively placed in cabinets of 4 motor cars and used for controlling a front processor 3 to acquire temperature, vibration and impact information of a composite sensor 4, process and diagnose the temperature, vibration and impact information and output an alarm for a faulty measuring point; the power supply of the vehicle extension 2 is DC 110V.
The front processor 3 is used for processing the information of each measuring point, receiving the control of the vehicle extension 2 of the vehicle main machine 1 and executing a corresponding control instruction; the pre-processor 3 pre-processes the signals provided by the composite sensor 4 and sends the signals to the vehicle host 1 and the vehicle extensions 2 after the signals are processed; the power supply of the pre-processor 3 is DC 14V.
The composite sensor 4 is used for sensing temperature, vibration and impact signals of a monitored point, converting physical quantity into signals and providing the signals to the front processor 3.
As shown in fig. 2 and 3, the vehicle main body 1 of the safety monitoring system for the running gear of the urban railway vehicle can work as two modules: the device comprises a power supply module and a control module.
As shown in FIG. 2, the first module is a power supply part, and the DC110V power enters a power supply anti-reverse circuit, then enters a power supply anti-interference circuit, finally carries out power supply conversion, and outputs power to the control module and the light display panel for power supply.
As shown in fig. 3, the second module is a control part, the speed sensor collects a speed signal and transmits the speed signal to the ARM processor core circuit of the control module, the speed signal is processed by the ARM processor core circuit to generate a collected instruction, and a part of the speed signal is transmitted to the signal conditioning circuit through the internal ethernet switch circuit and is transmitted to the pre-processor 3; the other part enters a 485 communication processing circuit and is transmitted to the extension 2 of the vehicle through a train bus. After the pre-processor 3 processes the temperature and vibration data, the pre-processor 3 connected with the vehicle host 1 transmits the data to the signal conditioning circuit, then enters the A/D conversion circuit, converts the analog signal into the digital signal, then enters the diagnosis alarm judgment circuit for judgment, and sends the result to the ARM processor core circuit through the internal Ethernet switch circuit; the front processor 3 connected with the extension 2 transmits data to the signal modulator circuit, then enters the A/D conversion circuit, converts analog signals into digital signals, then enters the diagnosis alarm judgment circuit for judgment, and transmits results to the ARM processor core circuit through the 485 communication processing circuit. After the ARM processor core circuit receives data, the state instruction is transmitted to the state and alarm indicating circuit according to actual conditions, the lamp display board displays corresponding state conditions, and meanwhile, the ARM processor core circuit uploads results to the TCMS through the MVB processing circuit.
As shown in fig. 4 and 5, the vehicle body 1 of the safety monitoring system for the running gear of the urban railway vehicle includes a main board 11, a power board 12, and a light display board 13.
As shown in fig. 6, the chassis interface of the vehicle host 1 includes a power supply interface, an MVB interface, an ethernet interface, a rotation speed interface, a test interface, a train bus interface, and a vehicle bus interface; the chassis of the vehicle main body 1 further comprises a nixie tube and an indicator light for state display.
The power panel converts the DC110V power into different types of power to supply power for the mainboard 11 and the light display panel 13; the mainboard 11 is responsible for controlling the output of speed signals, collecting temperature signals and vibration signals, and analyzing and is a core part of the system; the light display board 13 displays the corresponding display according to the instruction sent by the main board.
The vehicle host 1 comprises a power panel 12, a main board 11, a light display panel 13 and interfaces, wherein the vehicle host 1 obtains DC110V power from a vehicle, converts the power to be supplied to the main board 11 through the power panel 12 and outputs the power to the light display panel 13 and the interfaces. The vehicle host 1 receives a speed signal from a speed sensor, and outputs the speed signal to the vehicle extension 2 through a train bus through an interface after isolation, shaping and filtering; the vehicle host 1 acquires and stores data of the vehicle extension 2 through a train bus interface, and outputs the data to the light display board 13 after diagnosis processing; the vehicle host 1 controls the front processor 3 through a vehicle bus interface, carries out filter processing and analog-to-digital conversion on an analog signal output by the front processor 3, carries out diagnosis and analysis, and displays alarm information through the lamp display board 13; the interfaces comprise a power supply interface, an MVB interface, an Ethernet interface, a test interface, a rotating speed interface, a train bus interface and a vehicle bus interface.
As shown in fig. 7 to 9, the front processor 3 of the safety monitoring system for the running gear of the urban railway vehicle comprises 1 control board 22, 1 vehicle bus interface 21 and 4 composite sensor interfaces 23.
The control board 22 receives a speed signal control command sent by the vehicle main unit 1 or the vehicle slave unit 2 to control the composite sensor 4 to collect temperature and vibration, and feeds collected data back to the vehicle main unit 1 and the vehicle slave unit 2.
As shown in fig. 10, the composite sensor 4 of the safety monitoring system for the running gear of the urban railway vehicle is used for acquiring radial vibration of an axle box and temperature signals of an axle box bearing, and the composite sensor 4 adopts a double-vibration double-temperature composite sensor with a self-checking function. When detecting the urban railway bogie, the composite sensor 4 is arranged on the axle box bodies of the urban railway front and rear bogies.
As shown in fig. 11, the vehicle host 1 of the safety monitoring system for the urban railway vehicle running gear includes a host board 11, a power board 12 and a light display board 13, the host board 11 of the vehicle host 1 includes a host ARM board, the host ARM board is connected with an electrically erasable memory chip, the host ARM board is respectively connected with a network interface, a clock and a big data memory, the host ARM board is connected with a programmable gate array, the programmable gate array is respectively connected with a digital IO, a communication interface and a rotation speed processing circuit, and both the host ARM board and the programmable gate array are connected with a voltage stabilizing circuit.
As shown in fig. 12, the vehicle extension 2 of the safety monitoring system for the urban railway vehicle running part comprises a main board, a power board and a light display board, the main board of the vehicle extension 2 comprises an extension ARM board, the extension ARM board is connected with a configuration electrically erasable memory chip, the extension ARM board is respectively connected with a network interface, a clock and a big data memory, the extension ARM board and the configuration electrically erasable memory chip are both connected with a programmable gate array FPGA, the programmable gate array is respectively connected with a digital IO, a communication interface and a rotating speed processing circuit, and the ARM board and the programmable gate array FPGA are both connected with a voltage stabilizing circuit.
The extension of the vehicle obtains DC110V power from the vehicle, and the power is converted by the power board and provided to the mainboard, and is output to the light display board and each interface; the extension set of the vehicle controls the front processor through a vehicle bus interface, carries out filter processing and analog-to-digital conversion on an analog signal output by the front processor, then carries out diagnosis and analysis, and displays alarm information through a lamp display board; the extension vehicle acquires a rotating speed signal sent by the main vehicle through a train bus interface, and simultaneously receives a control instruction of the main vehicle through the interface and feeds back corresponding information; the interfaces comprise a power supply interface, an Ethernet interface, a test interface, a train bus interface and a vehicle bus interface.
In the invention, each train is provided with 2 vehicle hosts and 4 vehicle extensions, wherein the 2 vehicle hosts are respectively placed in cabinets of 2 sections of trailers, and the 4 vehicle extensions are respectively placed in cabinets of 4 sections of motor cars. The composite sensor is installed on a shaft box body, a traction motor and a gear box of a vehicle through a single installation hole, and can simultaneously realize the detection, processing and data transmission of a plurality of physical quantities of temperature, vibration and impact.
The front processor is provided with 4 composite sensor interfaces, 1 vehicle bus interface and 1 control panel, and the composite sensor interfaces acquire input signals from the composite sensors; the signal received by the composite sensor interface is output to the bus interface of the front processor through the signal output interface after passing through the control panel and is transmitted to the bus interface of the vehicle of the comprehensive diagnostic instrument; the control panel receives the control instruction of the comprehensive diagnostic instrument through a bus interface of the front processor. The composite sensor is connected with the composite sensor interface of the front processor by a sensor patch cord.
The safety monitoring system for the urban railway vehicle running part provided by the embodiment evaluates the running state of a train, so that faults are prevented, and the vehicle host 1 and the vehicle extension 2 can be connected with the front processor 3 for collection. The invention has novel design, simple structure and cost saving.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (5)
1. A safety monitoring system for a running part of an urban railway vehicle is characterized by comprising a vehicle host (1), a train bus, vehicle extensions (2), a front processor (3), the vehicle bus, a composite sensor (4), a sensor patch cord and a speed sensor;
the vehicle host (1) is connected with the preprocessor (3) which can realize the network management of a compound sensor of a controlled measuring point, complete the preprocessing or data acquisition of a signal and carry out interactive communication with a vehicle comprehensive diagnostic instrument, the preprocessor (3) is connected with a compound sensor (4) through a sensor patch cord, the compound sensor (4) is arranged on a bearing seat of each carriage of a train, the vehicle host (1) is connected with the vehicle extension (2) which can diagnose subsystem data through the communication of a train bus, the vehicle host (1) is connected with the speed sensor, and the speed sensor is arranged on a rotating part of the vehicle;
the vehicle extension set (2) is connected with the front processor (3), and the front processor (3) is connected with the composite sensor (4) through the sensor patch cord;
the vehicle host (1) comprises a host board, a power panel and a lamp display panel, wherein the host board of the vehicle host (1) comprises a host ARM panel, the host ARM panel is connected with a configuration electrically erasable memory chip, the host ARM panel is respectively connected with a network interface, a clock and a large data memory, the host ARM panel is connected with a programmable gate array, the programmable gate array is respectively connected with a digital IO (input/output), a communication interface and a rotating speed processing circuit, and the host ARM panel and the programmable gate array are both connected with a voltage stabilizing circuit;
vehicle extension (2) show the board including mainboard, power strip and lamp, the mainboard of vehicle extension (2) includes extension ARM board, extension ARM board is connected with configuration electricity erasable storage chip, extension ARM board is connected with network interface, clock and big data memory respectively, extension ARM board and configuration electricity erasable storage chip all are connected with programmable gate array FPGA, programmable gate array is connected with digital IO, communication interface, rotational speed processing circuit respectively, extension ARM board and programmable gate array FPGA all are connected with voltage stabilizing circuit.
2. The urban railway vehicle running gear safety monitoring system according to claim 1, wherein each train comprises 2 main vehicles (1) and 4 extension vehicles (2), the 2 main vehicles (1) are respectively placed in the cabinets of 2 trailers, and the 4 extension vehicles (2) are respectively placed in the cabinets of 4 motor cars.
3. The urban railway vehicle running gear safety monitoring system according to claim 1, wherein the compound sensor (4) is mounted on the axle box body, traction motor and gearbox of the vehicle through a single mounting hole.
4. The urban railway vehicle running gear safety monitoring system according to claim 1, wherein the front-end processor (3) has 4 composite sensor interfaces (23), 1 vehicle bus interface (21), 1 control board (22), the composite sensor interface (23) acquiring input signals from the composite sensor (4); the signals received by the composite sensor interface (23) are output to a bus interface of a front processor through a signal output interface after passing through a control panel (22) and are transmitted to a vehicle bus interface (21) of the comprehensive diagnostic instrument; the control panel (22) receives a control instruction of the comprehensive diagnostic instrument through a bus interface of the front-end processor.
5. The urban railway vehicle running gear safety monitoring system according to claim 4, wherein the combi-sensor (4) is connected to the combi-sensor interface of the front-end processor (3) with a sensor patch cord.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115497191A (en) * | 2022-09-15 | 2022-12-20 | 厦门物之联智能科技有限公司 | Method and device for polling and reporting derailed original data of running gear monitoring system |
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2021
- 2021-11-10 CN CN202122750980.5U patent/CN216185152U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115497191A (en) * | 2022-09-15 | 2022-12-20 | 厦门物之联智能科技有限公司 | Method and device for polling and reporting derailed original data of running gear monitoring system |
| CN115497191B (en) * | 2022-09-15 | 2023-11-17 | 厦门物之联智能科技有限公司 | Derailment original data polling reporting method and device for running part monitoring system |
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Denomination of utility model: Safety monitoring system for running gear of urban railway vehicles Effective date of registration: 20221020 Granted publication date: 20220405 Pledgee: China Construction Bank Co.,Ltd. Dalian Shahekou sub branch Pledgor: DALIAN BAISHENGYUAN TECHNOLOGY Co.,Ltd. Registration number: Y2022980019167 |
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Date of cancellation: 20230515 Granted publication date: 20220405 Pledgee: China Construction Bank Co.,Ltd. Dalian Shahekou sub branch Pledgor: DALIAN BAISHENGYUAN TECHNOLOGY Co.,Ltd. Registration number: Y2022980019167 |