CN118426559A - Mini computer capable of expanding industrial control application - Google Patents

Abstract

The mini computer capable of being expanded into industrial control application comprises a mini host component and an industrial control expansion component, wherein the mini host component comprises a first main board, a CPU and a host expansion connection module, the host expansion connection module comprises a host expansion data bus connector and a host expansion power connector, the industrial control expansion component comprises a second main board, a mechanical hard disk module and an industrial control expansion connection module, the mechanical hard disk module comprises a mechanical hard disk, a SATA data line socket and a hard disk SATA data line plug, and the industrial control expansion connection module comprises an industrial control expansion power connector and an industrial control expansion data bus connector. According to the application, through designing the structure of the mini-host component and the structure of the industrial control expansion component and then electrically connecting the industrial control expansion data bus connector with the host expansion data bus connector, communication is established between the mini-host component and the industrial control expansion component, and the problem that the mini-computer is used as a standard computer and does not have an industrial control function is solved.

Description

Mini computer capable of expanding industrial control application

Technical Field

The application relates to the field of computers, in particular to a mini computer capable of being expanded into industrial control purposes.

Background

With the continuous development of technology, the mini computer is an indispensable choice of people, and compared with a general computer, the mini computer has the characteristics of small size and light weight, the performance of the mini computer is not weaker than that of other large computers under the condition of ensuring small size, and the power consumption of the mini computer is lower, so that the electric energy can be effectively saved, and the mini computer is widely used in various industries.

The traditional mini computer is used as a standard computer and does not have an industrial control function.

Disclosure of Invention

The application provides a mini computer capable of being expanded into industrial control purposes, which aims to solve the problem that the traditional mini computer is used as a standard computer and does not have an industrial control function.

In order to solve the technical problems, the application adopts a technical scheme that: the mini computer which can be expanded into industrial control application is provided, and comprises:

A mini-host component and an industrial control expansion component;

The mini host assembly comprises a first main board, a CPU and a host expansion connection module, wherein the first main board is a PCB board, a preset circuit is printed on the first main board, the CPU is electrically connected with the first main board, the host expansion connection module comprises a host expansion data bus connector and a host expansion power connector, and the host expansion data bus connector and the host expansion power connector are electrically connected with the first main board;

The industrial control expansion assembly comprises a second main board, a mechanical hard disk module and an industrial control expansion connection module, wherein the second main board is a PCB board, a preset circuit is printed on the second main board, the mechanical hard disk module comprises a mechanical hard disk, a SATA data line socket and a hard disk SATA data line plug, the SATA data line socket is electrically connected with the second main board, the hard disk SATA data line plug is electrically connected with the mechanical hard disk and the SATA data line socket so as to write or read data into the mechanical hard disk, the industrial control expansion connection module comprises an industrial control expansion power connector and an industrial control expansion data bus connector, the industrial control expansion power connector is electrically connected with the host expansion power connector so as to supply power for the industrial control expansion assembly, and the industrial control expansion data bus connector is electrically connected with the host expansion data bus connector so as to establish data and electric signal communication between the mini host assembly and the industrial control expansion assembly.

Optionally, the host expansion data bus connector and the industrial control expansion data bus connector both adopt FPC (flexible printed circuit) jacks, and the host expansion power connector and the industrial control expansion power connector both adopt pin array jacks.

Optionally, the host assembly further includes two sets of DDR memory modules, where the DDR memory modules include a DDR socket and a DDR memory bar, the DDR socket is electrically connected to the first motherboard, and the DDR memory bar is installed in the DDR socket.

Optionally, the mini host assembly further includes two sets of SSD solid state disk modules, the SSD solid state disk modules include an m.2 socket and an SSD solid state disk, the m.2 socket is electrically connected with the first motherboard, and the SSD solid state disk is installed in the m.2 socket.

Optionally, the mini-host assembly further includes a heat dissipation module, where the heat dissipation module includes a heat dissipation fan, and the heat dissipation fan is fixedly assembled with the first motherboard by a screw, so as to dissipate heat of the mini-host assembly.

Optionally, the mini host computer subassembly still includes communication module, communication module includes M.2E type socket, hard board built-in antenna and wifi/bluetooth integral type chip, M.2E type socket with first mainboard electric connection, wifi/bluetooth integral type chip install in on the M.2E type socket, wifi/bluetooth integral type chip is equipped with the IPEX plug, hard board built-in antenna passes through the IPEX plug with wifi/bluetooth integral type chip carries out electric connection.

Optionally, the industrial control expansion assembly further includes a GPIO interface socket, and the GPIO interface socket is electrically connected with the second motherboard.

Optionally, the industrial control expansion assembly further comprises an auxiliary power input socket, and the auxiliary power input socket is electrically connected with the second main board, so that auxiliary power supply is conveniently performed when the mini computer capable of being expanded into industrial control application performs the GPIO function.

Optionally, the industrial control expansion component further comprises two first network interfaces, wherein the two first network interfaces are respectively used for connecting an intranet and an extranet, so that isolation and security control of the network are facilitated, and the internal network is protected from being attacked by the external network.

Optionally, the industrial control expansion component further includes a second USB interface and a standard serial port, where the second USB interface is used to expand equipment outside the industrial control expansion component, and the standard serial port is used to establish communication between the industrial control expansion component and the industrial equipment.

The beneficial effects of the application are as follows: in the mini computer capable of being expanded into industrial control application, the structure of the mini host computer component and the structure of the industrial control expansion component are designed, and the industrial control expansion data bus connector is electrically connected with the host computer expansion data bus connector, so that communication is established between the mini host computer component and the industrial control expansion component, and the problem that the mini computer is used as a standard computer and does not have an industrial control function is solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

FIG. 1 is a schematic perspective view of a mini computer with an industrial control application according to an embodiment of the present application;

FIG. 2 is a schematic perspective view of a mini-host component part and an industrial control expansion component part in a mini-computer expandable for industrial control use;

FIG. 3 is an exploded view of a portion of a mini-host component in a mini-computer that can be expanded for industrial use;

FIG. 4 is a schematic perspective view of a portion of a mini-host component in a mini-computer that can be expanded for industrial control purposes;

FIG. 5 is a schematic perspective view of a communication module in a mini computer that can be expanded for industrial control purposes;

FIG. 6 is a schematic perspective view of an industrial control expansion assembly part in a mini computer expandable for industrial control use;

FIG. 7 is a schematic perspective view of another view of an industrial control expansion component part in a mini computer expandable for industrial control use.

Reference numerals illustrate: 100. a mini-host component; 101. a first static electricity eliminating plate; 102. a second static electricity eliminating plate; 110. a first main board; 111. a first side; 112. a card reader; 113. a microphone interface; 114. a first USB interface; 115. a second network interface; 116. type-c interface; 117. an HDMI interface; 118. an earphone interface; 119. a power interface; 120. a heat dissipation module; 121. a first fixing column; 122. a pressing plate; 123. a connecting sheet; 124. a heat conductive sheet; 125. a heat radiation fan; 126. a heat dissipating copper fin; 130. a host computer expansion data bus connector; 140. a host computer expands a power connector; 150. a fan power outlet; 160. m.2 sockets; 170. SSD solid state disk; 180. DDR slot; 181. DDR memory bank; 190. a communication module; 191. m.2e type sockets; 192. a hard board built-in antenna; 193. wifi/bluetooth integrated chip; 200. an industrial control expansion component; 210. a second main board; 211. a second USB interface; 212. a first network interface; 213. a standard serial port; 214. GPIO interface socket; 215. an auxiliary power input socket; 220. an industrial control expansion power connector; 230. an industrial control expansion data bus connector; 240. a mechanical hard disk; 241. SATA data line socket; 242. a hard disk power line socket; 243. a hard disk SATA data line plug; 244. a hard disk power cord plug; 300. a mini-host housing; 310. an industrial control expansion shell; 320. a fixing plate; 330. a fixing piece; 340. a third fixing column; 350. and a fourth fixing column.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art without making any inventive effort, are intended to be within the scope of the present application.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present application, the directional indications are merely used to explain the relative positional relationship, movement, etc. between the components in a specific gesture (as shown in the drawings), and if the specific gesture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present application.

As shown in fig. 1 to 7, the present application provides a mini computer capable of being expanded into an industrial control application, the mini computer capable of being expanded into an industrial control application comprises a mini host component 100 and an industrial control expansion component 200, the mini host component 100 comprises a first main board 110, a CPU and a host expansion connection module, the first main board 110 is a PCB board, a preset circuit is printed on the first main board 110, the CPU is electrically connected with the first main board 110, the host expansion connection module comprises a host expansion data bus connector 130 and a host expansion power connector 140, and the host expansion data bus connector 130 and the host expansion power connector 140 are electrically connected with the first main board 110.

The industrial control expansion assembly 200 comprises a second main board 210, a mechanical hard disk module and an industrial control expansion connection module, the second main board 210 is a PCB board, a preset circuit is printed on the second main board 210, the mechanical hard disk module comprises a mechanical hard disk 240, a SATA data line socket 241 and a hard disk SATA data line plug 243, the SATA data line socket 241 is electrically connected with the second main board 210, the hard disk SATA data line plug 243 electrically connects the mechanical hard disk 240 and the SATA data line socket 241 so as to write or read data into the mechanical hard disk 240, the industrial control expansion connection module comprises an industrial control expansion power connector 220 and an industrial control expansion data bus connector 230, the industrial control expansion power connector 220 is electrically connected with a host expansion power connector 140 so as to supply power for the industrial control expansion assembly 200, and the industrial control expansion data bus connector 230 is electrically connected with the host expansion data bus connector 130 so as to establish data and electric signal communication between the mini-host assembly 100 and the industrial control expansion assembly 200.

The first main board 110 is approximately rectangular, a CPU is assembled on one surface of the first main board 110, the CPU is electrically connected with the first main board 110, the mini-host assembly 100 further comprises a heat dissipation module 120, the heat dissipation module 120 comprises first fixing columns 121, a pressing plate 122, connecting sheets 123, heat conducting fins 124, a heat dissipation fan 125 and heat dissipation copper fins 126, four first fixing columns 121 are arranged around the CPU, the four first fixing columns 121 are located at four corners of the rectangle, the first fixing columns 121 are fixedly assembled with the first main board 110, two connecting sheets 123 are arranged between the two first fixing columns 121, one connecting sheet 123 is arranged between the two first fixing columns 121, the connecting sheets 123 are fixed between the first fixing columns 121 through screws, the two connecting sheets 123 are symmetrical with respect to the CPU, a pressing plate 122 is arranged between the two connecting sheets 123, and the pressing plate 122 is fixed with the two connecting sheets 123 through the screws, so that the pressing plate 122 can press and fix the CPU.

The heat conducting fin 124 is provided with a plurality of pieces, the heat conducting fin 124 is irregularly shaped, the heat conducting fin 124 covers part of the resistor on the CPU and the first main board 110 so as to lead out heat on the CPU and the resistor, the heat radiating fan 125 covers on the heat conducting fin 124, the pressing plate 122 is fixedly provided with a second fixing column, the heat radiating fan 125 is fixedly provided with the second fixing column through a screw so as to fix the position of the heat radiating fan 125, the heat conducting fin 124 is also covered with the heat radiating copper fin 126, the heat radiating copper fin 126 is fixedly connected with the heat radiating fan 125 so as to enhance the heat radiating effect of the heat radiating fan 125, and the heat is led out in a directional manner.

Four sides of the first main board 110 are a first side 111, a second side, a third side and a fourth side,

A card reader 112 is disposed on a side of the first main board 110 near the first side 111, the card reader 112 is disposed between the heat dissipation copper fins 126 and the first main board 110, and the card reader 112 is electrically connected to the first main board 110, and the card reader 112 can be inserted into mirco SD cards, so that a mini computer capable of expanding into industrial control uses can read or write data from the mirco SD cards.

A microphone interface 113 and a first USB interface 114 are further disposed on a side of the first main board 110 near the first side 111, where the microphone interface 113 is electrically connected to the first main board 110, so as to extend microphone devices for mini computers that can be extended to industrial control applications, and the first USB interfaces 114 are provided with three first USB interfaces 114 that are arranged in a row at equal intervals, and in a specific embodiment, the first USB interfaces 114 use the USB3.0 protocol.

A second network interface 115, a type-c interface 116, an HDMI interface 117, an earphone interface 118 and a power interface 119 are disposed on a side of the first motherboard 110 near the second side.

The two second network interfaces 115 are arranged at intervals, the second network interfaces 115 are electrically connected with the first main board 110, and the two second network interfaces 115 can be respectively used for connecting an internal network and an external network so as to realize isolation and security control of the network and protect the internal network from being attacked by the external network.

The type-c interface 116 is provided with two, two type-c interfaces 116 are arranged adjacently, the type-c interfaces 116 are electrically connected with the first main board 110, high-definition display output and data transmission functions of the mini computer which can be expanded into industrial control purposes can be achieved through the type-c interfaces 116, the type-c interfaces 116 are further provided with PD functions, when a display supporting PD protocols is connected with the type-c interfaces 116, the mini computer which can be expanded into industrial control purposes can transmit audio and video to the display, and meanwhile the display can also supply power for the mini computer which can be expanded into industrial control purposes.

The two HDMI interfaces 117 are provided, and the two HDMI interfaces 117 are disposed adjacently, and the HDMI interfaces 117 are electrically connected to the first motherboard 110, and the HDMI interfaces 117 are used for connecting to an external display device, so as to realize a display output function or a video display output function with audio.

The earphone interface 118 is disposed between the type-c interface 116 and the second network interface 115, the earphone interface 118 is electrically connected to the first motherboard 110, and the earphone interface 118 is used for externally connecting with an earphone device.

The power interface 119 is disposed on a side of the network interface away from the HDMI interface 117, where the power interface 119 is electrically connected to the first motherboard 110, and the power interface 119 is configured to be externally connected to a power supply, so as to supply power to the first motherboard 110.

The host expansion connection module is disposed on a side of the first motherboard 110 near the cooling fan 125, and the host expansion connection module includes a host expansion data bus connector 130 and a host expansion power connector 140, where the host expansion data bus connector 130 and the host expansion power connector 140 are electrically connected to the first motherboard 110, and in a specific embodiment, the host expansion data bus connector 130 employs an FPC jack, and the host expansion power connector 140 employs a pin header jack.

A fan power socket 150 is further disposed on a side of the first main board 110 near the cooling fan 125, and the fan power socket 150 is electrically connected to the first main board 110, where the fan power socket 150 is externally connected to a power supply, so as to supply power to the cooling fan 125.

The SSD solid state disk module is disposed on a side of the first motherboard 110 far away from the cooling fan 125, the SSD solid state disk module includes an m.2 socket 160 and an SSD solid state disk 170, the m.2 socket 160 and the SSD solid state disk 170 are both provided with two, the m.2 socket 160 is electrically connected with the first motherboard 110, and the SSD solid state disk 170 is installed in the m.2 socket 160.

The DDR memory module is also disposed on a side of the first motherboard 110 away from the cooling fan 125, where the DDR memory module includes a DDR socket 180 and a DDR memory bar 181, both the DDR socket 180 and the DDR memory bar 181 are disposed, the DDR socket 180 is electrically connected to the first motherboard 110, and the DDR memory bar 181 is installed in the DDR socket 180.

The mini-host assembly 100 further comprises a communication module 190, the communication module 190 is arranged between the SSD solid state disk 170 and the first main board 110, the communication module 190 comprises an M.2E-type socket 191, a hard board built-in antenna 192 and a wifi/Bluetooth integrated chip 193, the M.2E-type socket 191 is electrically connected with the first main board 110, the wifi/Bluetooth integrated chip 193 is arranged on the M.2E-type socket 191, two IPEX plugs are arranged on the wifi/Bluetooth integrated chip 193, and the hard board built-in antenna 192 is electrically connected with the wifi/Bluetooth integrated chip 193 through the IPEX plugs.

The second main board 210 is rectangular, the second main board 210 is arranged in parallel with the first main board 110 at intervals, an industrial control expansion connection module is arranged on one side, close to the first main board 110, of the second main board 210, the industrial control expansion connection module comprises an industrial control expansion power connector 220 and an industrial control expansion data bus connector 230, the industrial control expansion power connector 220 and the industrial control expansion data bus connector 230 are electrically connected with the second main board 210, in a specific embodiment, the industrial control expansion data bus connector 230 adopts an FPC socket, the industrial control expansion power connector 220 adopts a pin header socket, in the actual working process, the industrial control expansion power connector 220 is electrically connected with the host expansion power connector 140 so as to supply power for the industrial control expansion assembly 200, and the industrial control expansion data bus connector 230 is electrically connected with the host expansion data bus connector 130, so that data and electrical signal communication between the mini host assembly 100 and the industrial control expansion assembly 200 is established.

The second main board 210 is provided with a mechanical hard disk module on a side far away from the industrial control expansion connection module, the mechanical hard disk module comprises a mechanical hard disk 240, a SATA data line socket 241, a hard disk power line socket 242, a hard disk SATA data line plug 243, a hard disk power line plug 244, wherein the SATA data line socket 241 and the hard disk power line socket 242 are electrically connected with the second main board 210, the hard disk SATA data line plug 243 and the hard disk power line plug 244 are electrically connected with the mechanical hard disk 240, in a specific embodiment, the mechanical hard disk 240 adopts a 2.5 inch specification, the SATA data line socket 241 is electrically connected with the hard disk SATA data line plug 243 through a wire, and the hard disk power line socket 242 is electrically connected with the hard disk power line plug 244 through a wire.

The second USB interfaces 211 are further disposed at the edge of the second motherboard 210, two second USB interfaces 211 are disposed on the second USB interfaces 211 and two second USB interfaces 211 are disposed adjacent to each other, and the second USB interfaces 211 are electrically connected to the second motherboard 210, and in a specific embodiment, the second USB interfaces 211 employ a USB2.0 protocol, so that the second USB interfaces 211 are used to extend devices for the industrial control expansion assembly 200.

The second motherboard 210 is further provided with a first network interface 212 on one side close to the second USB interface 211, where the first network interface 212 is provided with two first network interfaces 212 and the two first network interfaces 212 are adjacently arranged, and the two first network interfaces 212 are respectively used for connecting an intranet and an extranet, so as to realize isolation and security control of the network and protect the internal network from being attacked by the external network.

The edge of the second main board 210 is further provided with a plurality of standard serial ports 213, the plurality of standard serial ports 213 are uniformly arranged on one side of the second main board 210 at equal intervals, and the plurality of standard serial ports 213 are electrically connected with the second main board 210, so that communication between the industrial control expansion assembly 200 and industrial equipment is established through the standard serial ports 213.

The second main board 210 is further provided with a GPIO interface socket 214 and an auxiliary power input socket 215 on a side far away from the second USB interface 211, the GPIO interface socket 214 and the auxiliary power input socket 215 are disposed adjacent to each other, and the GPIO interface socket 214 and the auxiliary power input socket 215 are electrically connected with the second main board 210, when the mini computer capable of being expanded into industrial control use performs the GPIO function through the GPIO interface socket 214, the auxiliary power input socket 215 is used for auxiliary power supply of the mini computer capable of being expanded into industrial control use.

The first main board 110 is provided with a first static eliminating plate 101 near the first side 111, the first static eliminating plate 101 is fixedly assembled with the first main board 110, the first main board 110 is further provided with a second static eliminating plate 102 far away from the first side 111, the second static eliminating plate 102 is fixedly assembled with the first main board 110, the first static eliminating plate 101 is provided with a first elastic sheet, and the second static eliminating plate 102 is provided with a second elastic sheet.

The mini computer capable of being expanded into industrial control application further comprises a shell component, wherein the shell component comprises a mini host shell 300, an industrial control expansion shell 310, a fixing plate 320, a fixing piece 330, a third fixing column 340 and a fourth fixing column 350.

The fixing pieces 330 are provided with four fixing pieces 330, the four fixing pieces 330 are respectively located at four corners of the second main board 210, the fixing pieces 330 are fixedly assembled with the second main board 210 through screws, a third fixing column 340 is arranged on each fixing piece 330, the third fixing column 340 is fixedly assembled with the fixing piece 330, the third fixing column 340 close to the first static eliminating plate 101 is fixedly assembled with the first static eliminating plate 101 through screws, and the third fixing column 340 close to the second static eliminating plate 102 is fixedly assembled with the second static eliminating plate 102 through screws. The first static electricity eliminating plate 101, the second static electricity eliminating plate 102 and the third fixing post 340 are all made of conductive metal materials.

The fixing piece 330 is further provided with a fourth fixing column 350, the fourth fixing column 350 is fixedly assembled with the fixing piece 330, a fixing plate 320 is arranged on one side, far away from the second main board 210, of the fourth fixing column 350, the fixing plate 320 is rectangular, the fixing plate 320 and the second main board 210 are arranged at intervals in parallel, the fourth fixing column 350 is fixedly assembled with the fixing plate 320, the mechanical hard disk 240 is arranged between the fixing plate 320 and the second main board 210, and the mechanical hard disk 240 is fixedly assembled with the fixing plate 320.

The mini host housing 300 and the industrial control expansion housing 310 are both containers with one side open, the mini host assembly 100 is accommodated in the mini host housing 300, the industrial control expansion assembly 200 is arranged in the industrial control expansion housing 310, the hard board built-in antenna 192 is fixedly assembled on the inner wall of the mini host housing 300, a metal interference part is arranged in the industrial control expansion housing 310 and is in interference with the first elastic sheet and the second elastic sheet, a passage is formed among the first static eliminating plate 101, the third fixing column 340 and the metal interference part, and a passage is also formed among the second static eliminating plate 102, the third fixing column 340 and the metal interference part, so that static electricity on the second main board 210 is eliminated.

The shape of the mini-host housing 300 matches the shape of the industrial control expansion housing 310 such that the mini-host housing 300 and the industrial control expansion housing 310 can be mated together to form a closed container to house the mini-host assembly 100 and the industrial control expansion assembly 200.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (10)

1. A mini computer expandable to industrial control use, comprising: a mini-host assembly (100) and an industrial control expansion assembly (200);

The mini-host assembly (100) comprises a first main board (110), a CPU and a host expansion connection module, wherein the first main board (110) is a PCB board, a preset circuit is printed on the first main board (110), the CPU is electrically connected with the first main board (110), the host expansion connection module comprises a host expansion data bus connector (130) and a host expansion power connector (140), and the host expansion data bus connector (130) and the host expansion power connector (140) are electrically connected with the first main board (110);

The industrial control expansion assembly (200) comprises a second main board (210), a mechanical hard disk module and an industrial control expansion connection module, the second main board (210) is a PCB board, a preset circuit is printed on the second main board (210), the mechanical hard disk module comprises a mechanical hard disk (240), a SATA data wire socket (241) and a hard disk SATA data wire plug (243), the SATA data wire socket (241) is electrically connected with the second main board (210), the hard disk SATA data wire plug (243) is electrically connected with the mechanical hard disk (240) and the SATA data wire socket (241) so as to write or read data into the mechanical hard disk (240), the industrial control expansion connection module comprises an industrial control expansion power connector (220) and an industrial control expansion data bus connector (230), the industrial control expansion power connector (220) is electrically connected with the host expansion power connector (140) so as to facilitate the expansion of the industrial control assembly (200), the industrial control data bus connector (230) is electrically connected with the host (130) so as to establish communication between the industrial control assembly and the industrial control assembly (100).

2. The mini-computer expandable for industrial control use according to claim 1, wherein the host expansion data bus connector (130) and the industrial control expansion data bus connector (230) are both FPC sockets, and the host expansion power connector (140) and the industrial control expansion power connector (220) are both pin-array sockets.

3. The mini-computer of claim 1, wherein the host assembly further comprises two sets of DDR memory modules, the DDR memory modules comprising a DDR socket (180) and a DDR memory stick (181), the DDR socket (180) being electrically connected to the first motherboard (110), the DDR memory stick (181) being mounted in the DDR socket (180).

4. The mini-computer capable of being expanded into industrial control applications according to claim 3, wherein the mini-host assembly (100) further comprises two groups of SSD solid state disk modules, the SSD solid state disk modules comprise an m.2 socket (160) and an SSD solid state disk (170), the m.2 socket (160) is electrically connected with the first motherboard (110), and the SSD solid state disk (170) is installed in the m.2 socket (160).

5. The mini-computer expandable for industrial control use according to claim 4, wherein the mini-host assembly (100) further comprises a heat dissipation module (120), the heat dissipation module (120) comprises a heat dissipation fan (125), and the heat dissipation fan (125) is fixedly assembled with the first main board (110) by screws so as to dissipate heat of the mini-host assembly (100).

6. The mini-computer capable of being expanded into industrial control applications according to claim 5, wherein the mini-host assembly (100) further comprises a communication module (190), the communication module (190) comprises an m.2 e-type socket (191), a hard board built-in antenna (192) and a wifi/bluetooth integrated chip (193), the m.2 e-type socket (191) is electrically connected with the first main board (110), the wifi/bluetooth integrated chip (193) is mounted on the m.2 e-type socket (191), the wifi/bluetooth integrated chip (193) is provided with an IPEX plug, and the hard board built-in antenna (192) is electrically connected with the wifi/bluetooth integrated chip (193) through the IPEX plug.

7. The mini-computer expandable for industrial control use according to claim 1, wherein the industrial control expansion assembly (200) further comprises a GPIO interface socket (214), and the GPIO interface socket (214) is electrically connected to the second motherboard (210).

8. The mini-computer expandable for industrial control use according to claim 7, wherein the industrial control expansion assembly (200) further comprises an auxiliary power input socket (215), the auxiliary power input socket (215) is electrically connected with the second main board (210), so as to assist in power supply when the GPIO function is performed for the mini-computer expandable for industrial control use.

9. The mini-computer capable of being expanded into industrial control applications according to claim 8, wherein the industrial control expansion assembly (200) further comprises a first network interface (212), and the first network interface (212) is provided with two interfaces for connecting an intranet and an extranet respectively, so as to facilitate isolation and security control of the network and protect the internal network from being attacked by the external network.

10. The mini-computer expandable for industrial control use according to claim 9, wherein the industrial control expansion component (200) further comprises a second USB interface (211) and a standard serial port (213), the second USB interface (211) is used for expanding equipment outside the industrial control expansion component (200), and the standard serial port (213) is used for establishing communication between the industrial control expansion component (200) and industrial equipment.