CN203673475U - Serial port server - Google Patents
Serial port server Download PDFInfo
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- CN203673475U CN203673475U CN201320704424.7U CN201320704424U CN203673475U CN 203673475 U CN203673475 U CN 203673475U CN 201320704424 U CN201320704424 U CN 201320704424U CN 203673475 U CN203673475 U CN 203673475U
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Abstract
The utility model discloses a serial port server. The serial port server mainly comprises a power supply circuit module, an ARM9 processor, an internet access circuit module and a serial port circuit module. The ARM9 processor comprises at least one internet access circuit interface and at least one serial port circuit interface. The power supply circuit module is configured to be able to receive a power supply signal, so that the ARM9 processor works normally. The externally-connected network port of the serial port server can support the RJ45 interface manner and the USB interface manner, so that data can be uploaded through the outside WIFI and a 3G module. A serial port of the connection device can support connection of serial port equipment with the DB9 manner and the phoenix terminal interface manner. Due to the fact that interface manners of different serial port equipment of different industry spots are different, the serial port server with multiple interfaces can be applied in a wider range.
Description
Technical field
The utility model relates to a kind of server, relates to particularly a kind of serial server.
Background technology
Along with the fast development of computing machine, communication and network technology, wireless communication technology has become one of focus in the widespread use of different industries.The application of wireless communication technology, not at the environment that is confined to traditional commercial office complex, progressively enters into large-scale colliery and oil field, industrial automation, data acquisition and surveillance every field and environment.The serial ports of existing serial server is more single, and the function of so corresponding serial server is just more single, and data can not be by extraneous WIFI, 3G module uploading data.Serial port circuit uses inconvenience in addition, does not consider the interface shape difference of the different serial equipments of different industry spot.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of serial server that facilitates serial port circuit to use.
To achieve these goals, the utility model provides a kind of serial server, this serial server comprises: power circuit module, it is characterized in that, this serial server also comprises and coupling successively: network interface module, ARM9 processor and serial port circuit module, wherein, described power circuit module is connected to provide working power with ARM9 processor; Described serial port circuit module is configured to process rs 232 serial interface signal; Described network interface module is configured to by least one network interface interface and network service with transceiver network signal, described network interface interface circuit is configured to be connected with described ARM9 processor by least one network port circuit interface, and the external network port of described network port circuit is configured at least one following form: at least one RJ45 interface shape and USB interface form; And described ARM9 processor is configured to carry out the signal conversion between Ethernet protocol and serial port protocol, being converted to network signal from the rs 232 serial interface signal of described serial port circuit module or will being converted to rs 232 serial interface signal from the network signal of described network interface module, described serial port circuit module is configured to be connected with described ARM9 processor by serial port circuit interface, and the external equipment port of described serial port circuit module is configured at least one following form: DB9 form and phoenix terminal interface form.
Optionally, described serial port circuit module comprises and coupling: serial port control circuit, serial expanded circuit and serial interface circuit, wherein said serial expanded circuit is connected with described ARM9 processor by described serial port circuit interface with described serial port control circuit, described serial expanded circuit is all connected with described serial interface circuit with described serial port control circuit, described serial port control circuit is configured to control the automatic conversion of described serial interface circuit, described serial expanded circuit is configured to Extended Capabilities Port, described serial interface circuit is configured to change parallel data and serial data.
Wherein, described serial server can also comprise: memory module, be connected with described ARM9 processor, and thereby being also configured to call the start-up routine of described storer, described ARM9 processor starts described serial server; Wherein, described memory module comprises: SDRAM storer and FLASH storer, and described SDRAM storer is configured to provide program operation requisite space, and described FLASH storer is configured to deposit operation system and application code.
Wherein, described serial server can also comprise: SD card interface, described SD card interface is configured for external SD card, saved system operational factor and daily record of work.
Wherein, described serial server can also comprise: status indicator lamp, described status indicator lamp is configured for display network and connects and com-state.
Wherein, described serial server can also comprise: control interface, described control interface is configured to transmission system operational factor.
By technique scheme, the external network port of described serial server can be supported RJ45 interface shape and USB interface form, can be by extraneous WIFI, 3G module uploading data; The serial ports of described connection device can support the serial equipment of DB9 form and phoenix terminal interface form to connect, and due to the interface shape difference of the different serial equipments of different industry spot, the scope of application of the serial server of such multiple interfaces will be more extensive.
Other feature and advantage of the present utility model are described in detail the embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide further understanding of the present utility model, and forms a part for instructions, is used from explanation the utility model, but does not form restriction of the present utility model with embodiment one below.In the accompanying drawings:
Fig. 1 is according to network port circuit module of the present utility model and serial port circuit module and ARM9 processor syndeton schematic diagram; And
Fig. 2 is according to serial server composition structure of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the utility model, is not limited to the utility model.
As shown in the figure, Fig. 1 is according to network port circuit module of the present utility model and serial port circuit module and ARM9 processor syndeton schematic diagram; And Fig. 2 is according to serial server composition structure of the present utility model.By reference to the accompanying drawings, a kind of serial server provided by the utility model comprises: power circuit module, it is characterized in that, this serial server also comprises and coupling successively: network interface module, ARM9 processor and serial port circuit module, wherein, described power circuit module is connected to provide working power with ARM9 processor; Described serial port circuit module is configured to process rs 232 serial interface signal; Described network interface module is configured to by network interface interface and network service with transceiver network signal, described network interface interface circuit is configured to be connected with described ARM9 processor by network port circuit interface, and the external network port of described network port circuit is configured to following form: RJ45 interface shape or USB interface form; And described ARM9 processor is configured to carry out the signal conversion between Ethernet protocol and serial port protocol, being converted to network signal from the rs 232 serial interface signal of described serial port circuit module or will being converted to rs 232 serial interface signal from the network signal of described network interface module, described serial port circuit module is configured to be connected with described ARM9 processor by serial port circuit interface, and the external equipment port of described serial port circuit module is configured to two kinds of forms: DB9 form and phoenix terminal interface form.The external network port of described serial server can be supported RJ45 interface shape and USB interface form, can be by extraneous WIFI, 3G module uploading data, except supporting the wired network port circuit of two-way, also expand two kinds of Wireless Networking modes by USB, be more applicable to current client's various demands.Preferably, described ARM9 processor model is S3C2440A.16/32 reduced instruction set computer (RISC) ARM9 processor S3C2440A of Samsung.The S3C2440A of Samsung provides the solution of low-power consumption and high performance small chip microcontroller for handheld device and common application.S3C2440A also provides following abundant internal unit.S3C2440A is based on ARM920T core, CMOS standard macroelement and the memory cell of 0.13 μ m.Low-power consumption, simple, exquisiteness, and full Static Design is particularly suitable for the application to cost and power sensitive type.It has adopted new bus architecture as advanced microcontroller bus architecture (AMBA).The outstanding feature of S3C2440A is its processor core, be one by Advanced RISC Machines(ARM) risc processor of 16/32 ARM920T of company design.ARM920T realizes MMU, AMBA bus and Harvard structure speed buffering architecture.This structure has independently 16KB instruction cache and 16KB data cache.Eachly formed by the row (line) with 8 word lengths.
Preferably, described serial port circuit module comprises and coupling: serial port control circuit, serial expanded circuit and serial interface circuit, wherein said serial expanded circuit is connected with described ARM9 processor by described serial port circuit interface with described serial port control circuit, described serial expanded circuit is all connected with described serial interface circuit with described serial port control circuit, described serial port control circuit is configured to control the automatic conversion of described serial interface circuit, described serial expanded circuit is configured to Extended Capabilities Port, described serial interface circuit is configured to change parallel data and serial data.The process of described serial port circuit resume module rs 232 serial interface signal is as follows: serial ports generally transmits data with ASCII character character, and standard serial port communication only needs 9 pins to realize conventionally, is respectively transmission, reception, ground wire, ring and flow control signal Handshake Protocol.The extraction that what serial ports part mainly completed is to serial data stream and serial data carried out to level conversion and processing.Receive from the parallel data of CPU and be converted to continuous serial data stream and send on UART controller, receive UART simultaneously and receive the transmitting data stream of controller and be converted to parallel data and send to CPU.Concrete communication process is: when CPU sends data, and the parallel data transformed into serial data that UART transmit control device transmits CPU, serial data contains start bit, data bit, parity check bit and position of rest.The transmission of serial data is that data bit is below 7 or 8 since a start bit (level signal for " 0 "), optional parity bit and position of rest (level signal is " 1 ").While receiving controller discovery start bit, will synchronize with the clock frequency of transmit control device.If selected parity check system, UART controller just adds parity check bit after data bit, and parity check bit can be used to improve the reliability of data transmission.In serial ports receiving course, UART controller finds start bit and position of rest from serial data stream, and the data that receive are carried out to parity checking, if verification does not have the wrong parallel ARM9 processor that sends to that just data stream is converted from serial to.Use 8 16C554 serial port extended chips to add that two CPLD serial ports control chips realize the expansion of Liao32 road UART herein, by level transferring chip MAX3232 and VP3082, the logic level or the RS485 differential signal that are RS-232-C the TTL logic level transition of 5V transmit, and ARM9 processor is communicated by letter by serial interface circuit and serial equipment.Serial ports partial design mode as shown in Figure 1, expand two-way serial ports by serial port extended chip, every road serial ports connects two kinds of different level transferring chip, changes into RS232 or the RS485 signal of standard, which kind of level signal concrete every road is used, and is gone to control by CPLD circuit.In conventional industry spot, RS232 interface adopts DB9 or RJ45 form more, RS485 signal adopts phoenix terminal or RJ45 form more, the serial ports that is described connection device can be supported to be connected with the serial equipment of DB9 form and phoenix terminal interface form, due to the interface shape difference of the different serial equipments of different industry spot, the scope of application of the serial server of such multiple interfaces will be more extensive.The design has fully taken into account the interface shape of the different serial equipments of industry spot, makes scene convenient, more hommization.
Wherein, described serial server can also comprise: memory module, be connected with described ARM9 processor, and thereby being also configured to call the start-up routine of described storer, described ARM9 processor starts described serial server; Wherein, described memory module comprises: SDRAM storer and FLASH storer, and described SDRAM storer is configured to provide program operation requisite space, and described FLASH storer is configured to deposit operation system and application code.Book server has been expanded the Flash chip K9F1G08 of 1 128MB, and external 2 K4S561632 chips build the SDRAM storer of 32.SDRAM is mapped to the BANK6 place of main control chip, is connected on the isa bus of chip, finally can pass through the All Ranges of main control chip access sdram.In the time that system starts, first CPU reads start-up code from address 0x0, and after the initialization of completion system, program code is adjusted in SDRAM and moved, simultaneity factor and user stack, service data also all leave in SDRAM, for the high-speed cruising of system provides sufficient storage space.
Wherein, described serial server can also comprise: SD card interface, described SD card interface is configured for external SD card, saved system operational factor and daily record of work.Support secondary development, realization can need to increase variety of protocol according to client.
Wherein, described serial server can also comprise: status indicator lamp, described status indicator lamp is configured for display network and connects and com-state.
Wherein, described serial server can also comprise: control interface, described control interface is configured to transmission system operational factor.
It should be noted that in addition, each concrete technical characterictic described in above-mentioned embodiment, in reconcilable situation, can combine by any suitable mode, for fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible array modes.
In addition, also can carry out combination in any between various embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (6)
1. a serial server, this serial server comprises: power circuit module, it is characterized in that, this serial server also comprises and coupling successively: network interface module, ARM9 processor and serial port circuit module, wherein, described power circuit module is connected to provide working power with ARM9 processor;
Described serial port circuit module is configured to process rs 232 serial interface signal;
Described network interface module is configured to by least one network interface interface and network service with transceiver network signal, described network interface interface circuit is configured to be connected with described ARM9 processor by least one network port circuit interface, and the external network port of described network port circuit is configured at least one following form: at least one RJ45 interface shape and USB interface form; And
Described ARM9 processor is configured to carry out the signal conversion between Ethernet protocol and serial port protocol, being converted to network signal from the rs 232 serial interface signal of described serial port circuit module or will being converted to rs 232 serial interface signal from the network signal of described network interface module, described serial port circuit module is configured to be connected with described ARM9 processor by serial port circuit interface, and the external equipment port of described serial port circuit module is configured at least one following form: DB9 form and phoenix terminal interface form.
2. serial server according to claim 1, it is characterized in that, described serial port circuit module comprises and coupling: serial port control circuit, serial expanded circuit and serial interface circuit, wherein said serial expanded circuit is connected with described ARM9 processor by described serial port circuit interface with described serial port control circuit, described serial expanded circuit is all connected with described serial interface circuit with described serial port control circuit, described serial port control circuit is configured to control the automatic conversion of described serial interface circuit, described serial expanded circuit is configured to Extended Capabilities Port, described serial interface circuit is configured to change parallel data and serial data.
3. serial server according to claim 1 and 2, it is characterized in that, described serial server also comprises: memory module, be connected with described ARM9 processor, and thereby being also configured to call the start-up routine of described storer, described ARM9 processor starts described serial server; Wherein, described memory module comprises: SDRAM storer and FLASH storer, and described SDRAM storer is configured to provide program operation requisite space, and described FLASH storer is configured to deposit operation system and application code.
4. serial server according to claim 1 and 2, is characterized in that, described serial server also comprises: SD card interface, described SD card interface is configured for external SD card, saved system operational factor and daily record of work.
5. serial server according to claim 1 and 2, is characterized in that, described serial server also comprises: status indicator lamp, described status indicator lamp is configured for display network and connects and com-state.
6. serial server according to claim 1 and 2, is characterized in that, described serial server also comprises: control interface, described control interface is configured to transmission system operational factor.
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| CN201320704424.7U CN203673475U (en) | 2013-11-08 | 2013-11-08 | Serial port server |
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Cited By (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104811337A (en) * | 2015-04-07 | 2015-07-29 | 安徽康海时代科技有限公司 | Serial server |
| CN104850930A (en) * | 2015-04-07 | 2015-08-19 | 安徽康海时代科技有限公司 | Weather management system |
| CN104898602A (en) * | 2015-04-07 | 2015-09-09 | 安徽康海时代科技有限公司 | Refueling management system |
| CN105094102A (en) * | 2015-09-16 | 2015-11-25 | 成都比善科技开发有限公司 | Intelligent district data acquisition system equipped with serial server |
| CN105096574A (en) * | 2015-09-16 | 2015-11-25 | 成都比善科技开发有限公司 | Fault recording system of power system |
| CN106200814A (en) * | 2016-08-31 | 2016-12-07 | 安徽康海时代科技股份有限公司 | RJ45 type eight serial server |
| CN106200830A (en) * | 2016-08-31 | 2016-12-07 | 安徽康海时代科技股份有限公司 | RJ45 type serial server |
| CN106200829A (en) * | 2016-08-31 | 2016-12-07 | 安徽康海时代科技股份有限公司 | RJ45 type double-serial port server |
| CN106227316A (en) * | 2016-08-31 | 2016-12-14 | 安徽康海时代科技股份有限公司 | Serial server |
| CN106339049A (en) * | 2016-08-31 | 2017-01-18 | 安徽康海时代科技股份有限公司 | Terminal type server with two serial ports |
| CN106372023A (en) * | 2016-08-31 | 2017-02-01 | 安徽康海时代科技股份有限公司 | DB9 pin interface type serial port server |
| CN106371529A (en) * | 2016-08-31 | 2017-02-01 | 安徽康海时代科技股份有限公司 | Terminal type four-serial-port server |
| CN106372016A (en) * | 2016-08-31 | 2017-02-01 | 安徽康海时代科技股份有限公司 | Serial port server with RJ45 port |
| CN106406460A (en) * | 2016-08-31 | 2017-02-15 | 安徽康海时代科技股份有限公司 | Eight-serial port server with terminal |
| CN106406459A (en) * | 2016-08-31 | 2017-02-15 | 安徽康海时代科技股份有限公司 | Four-serial-port server |
| CN106502911A (en) * | 2016-11-09 | 2017-03-15 | 珠海全志科技股份有限公司 | Multiple terminals access device |
| CN106648019A (en) * | 2016-12-23 | 2017-05-10 | 安徽康海时代科技股份有限公司 | Constant voltage protection serial communication server |
| CN106649163A (en) * | 2016-12-23 | 2017-05-10 | 安徽康海时代科技股份有限公司 | Constant-voltage serial server |
| CN106682543A (en) * | 2016-12-23 | 2017-05-17 | 安徽康海时代科技股份有限公司 | RJ45 type serial server with redundant isolation protection effect |
| CN106708212A (en) * | 2016-12-23 | 2017-05-24 | 安徽康海时代科技股份有限公司 | Constant-voltage two-serial-port server |
| CN106708213A (en) * | 2016-12-23 | 2017-05-24 | 安徽康海时代科技股份有限公司 | RJ45 type serial server with constant-voltage protection effect |
| CN107168470A (en) * | 2017-06-22 | 2017-09-15 | 安徽康海时代科技股份有限公司 | The double serial servers of net 16 of RJ45 types |
| CN107168471A (en) * | 2017-06-22 | 2017-09-15 | 安徽康海时代科技股份有限公司 | The serial server of RJ45 types 16 |
| CN107229314A (en) * | 2017-06-22 | 2017-10-03 | 安徽康海时代科技股份有限公司 | The double net double-serial port servers of RJ45 types |
| CN107315707A (en) * | 2017-06-22 | 2017-11-03 | 安徽康海时代科技股份有限公司 | The double serial servers of net four of RJ45 types |
| CN107357365A (en) * | 2017-06-22 | 2017-11-17 | 安徽康海时代科技股份有限公司 | The double serial servers of net eight of RJ45 types |
| CN108445818A (en) * | 2018-05-19 | 2018-08-24 | 赵明 | A kind of data interaction intelligent terminal system and communication means |
| CN108733605A (en) * | 2018-05-18 | 2018-11-02 | 安徽康海时代科技股份有限公司 | Single serial server with DTU functions |
| CN108763123A (en) * | 2018-05-18 | 2018-11-06 | 安徽康海时代科技股份有限公司 | Four serial servers with DTU functions |
| CN109783417A (en) * | 2019-01-11 | 2019-05-21 | 四川长虹电器股份有限公司 | A kind of serial communication device and method |
| CN111413906A (en) * | 2020-04-10 | 2020-07-14 | 广州保得威尔电子科技股份有限公司 | Multi-channel interface card |
| CN111586077A (en) * | 2020-05-28 | 2020-08-25 | 珠海格力智能装备有限公司 | Data interaction method and device and electronic equipment |
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2013
- 2013-11-08 CN CN201320704424.7U patent/CN203673475U/en not_active Expired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104811337A (en) * | 2015-04-07 | 2015-07-29 | 安徽康海时代科技有限公司 | Serial server |
| CN104850930A (en) * | 2015-04-07 | 2015-08-19 | 安徽康海时代科技有限公司 | Weather management system |
| CN104898602A (en) * | 2015-04-07 | 2015-09-09 | 安徽康海时代科技有限公司 | Refueling management system |
| CN105094102A (en) * | 2015-09-16 | 2015-11-25 | 成都比善科技开发有限公司 | Intelligent district data acquisition system equipped with serial server |
| CN105096574A (en) * | 2015-09-16 | 2015-11-25 | 成都比善科技开发有限公司 | Fault recording system of power system |
| CN106227316A (en) * | 2016-08-31 | 2016-12-14 | 安徽康海时代科技股份有限公司 | Serial server |
| CN106200830A (en) * | 2016-08-31 | 2016-12-07 | 安徽康海时代科技股份有限公司 | RJ45 type serial server |
| CN106200829A (en) * | 2016-08-31 | 2016-12-07 | 安徽康海时代科技股份有限公司 | RJ45 type double-serial port server |
| CN106339049A (en) * | 2016-08-31 | 2017-01-18 | 安徽康海时代科技股份有限公司 | Terminal type server with two serial ports |
| CN106372023A (en) * | 2016-08-31 | 2017-02-01 | 安徽康海时代科技股份有限公司 | DB9 pin interface type serial port server |
| CN106371529A (en) * | 2016-08-31 | 2017-02-01 | 安徽康海时代科技股份有限公司 | Terminal type four-serial-port server |
| CN106372016A (en) * | 2016-08-31 | 2017-02-01 | 安徽康海时代科技股份有限公司 | Serial port server with RJ45 port |
| CN106406460A (en) * | 2016-08-31 | 2017-02-15 | 安徽康海时代科技股份有限公司 | Eight-serial port server with terminal |
| CN106406459A (en) * | 2016-08-31 | 2017-02-15 | 安徽康海时代科技股份有限公司 | Four-serial-port server |
| CN106200814A (en) * | 2016-08-31 | 2016-12-07 | 安徽康海时代科技股份有限公司 | RJ45 type eight serial server |
| CN106502911B (en) * | 2016-11-09 | 2019-12-10 | 珠海全志科技股份有限公司 | Multi-terminal access device |
| CN106502911A (en) * | 2016-11-09 | 2017-03-15 | 珠海全志科技股份有限公司 | Multiple terminals access device |
| CN106648019A (en) * | 2016-12-23 | 2017-05-10 | 安徽康海时代科技股份有限公司 | Constant voltage protection serial communication server |
| CN106682543A (en) * | 2016-12-23 | 2017-05-17 | 安徽康海时代科技股份有限公司 | RJ45 type serial server with redundant isolation protection effect |
| CN106708212A (en) * | 2016-12-23 | 2017-05-24 | 安徽康海时代科技股份有限公司 | Constant-voltage two-serial-port server |
| CN106708213A (en) * | 2016-12-23 | 2017-05-24 | 安徽康海时代科技股份有限公司 | RJ45 type serial server with constant-voltage protection effect |
| CN106649163A (en) * | 2016-12-23 | 2017-05-10 | 安徽康海时代科技股份有限公司 | Constant-voltage serial server |
| CN107168471A (en) * | 2017-06-22 | 2017-09-15 | 安徽康海时代科技股份有限公司 | The serial server of RJ45 types 16 |
| CN107229314A (en) * | 2017-06-22 | 2017-10-03 | 安徽康海时代科技股份有限公司 | The double net double-serial port servers of RJ45 types |
| CN107315707A (en) * | 2017-06-22 | 2017-11-03 | 安徽康海时代科技股份有限公司 | The double serial servers of net four of RJ45 types |
| CN107357365A (en) * | 2017-06-22 | 2017-11-17 | 安徽康海时代科技股份有限公司 | The double serial servers of net eight of RJ45 types |
| CN107168470A (en) * | 2017-06-22 | 2017-09-15 | 安徽康海时代科技股份有限公司 | The double serial servers of net 16 of RJ45 types |
| CN108733605A (en) * | 2018-05-18 | 2018-11-02 | 安徽康海时代科技股份有限公司 | Single serial server with DTU functions |
| CN108763123A (en) * | 2018-05-18 | 2018-11-06 | 安徽康海时代科技股份有限公司 | Four serial servers with DTU functions |
| CN108445818A (en) * | 2018-05-19 | 2018-08-24 | 赵明 | A kind of data interaction intelligent terminal system and communication means |
| CN108445818B (en) * | 2018-05-19 | 2023-12-12 | 赵明 | Data interaction intelligent terminal system and communication method |
| CN109783417A (en) * | 2019-01-11 | 2019-05-21 | 四川长虹电器股份有限公司 | A kind of serial communication device and method |
| CN109783417B (en) * | 2019-01-11 | 2022-03-15 | 四川长虹电器股份有限公司 | Serial port communication device and method |
| CN111413906A (en) * | 2020-04-10 | 2020-07-14 | 广州保得威尔电子科技股份有限公司 | Multi-channel interface card |
| CN111586077A (en) * | 2020-05-28 | 2020-08-25 | 珠海格力智能装备有限公司 | Data interaction method and device and electronic equipment |
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Address after: 241002, Anhui Wuhu hi tech Industrial Development Zone Service Outsourcing Industry Park B6# (South Zhongshan Road No. 717) Patentee after: ANHUI KANGHAI TIMES TECHNOLOGY Co.,Ltd. Address before: 241002, Anhui Wuhu hi tech Industrial Development Zone Service Outsourcing Industry Park B6# (South Zhongshan Road No. 717) Patentee before: ANHUI KANGHAI TIMES TECHNOLOGY Co.,Ltd. |
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