Mini-computer capable of being expanded to industrial control purpose

Abstract

The mini-computer capable of being expanded into the industrial control purpose comprises a mini-host assembly and an industrial control expansion assembly, the mini-host assembly comprises a first mainboard, a host expansion connection module and a communication module, and the host expansion connection module comprises a host expansion data bus connector and a host expansion power connector. The communication module comprises an M.2E type socket, a hard board built-in antenna and a wifi / Bluetooth integrated chip, the industrial control expansion assembly comprises a second mainboard, a mechanical hard disk module and an industrial control expansion connection module, and the mechanical hard disk module comprises a mechanical hard disk, an SATA data line socket and a hard disk SATA data line plug. The industrial control expansion connection module comprises an industrial control expansion power supply connector and an industrial control expansion data bus connector. In the application, by designing the structure of the mini host assembly and the structure of the industrial control expansion assembly, the problem that the mini computer is used as a standard computer and does not have an industrial control function is solved.

Description

Technical Field

[0001] The present application relates to the field of computers, and in particular to a mini computer that can be expanded for industrial control purposes. Background Art

[0002] With the continuous development of science and technology, mini computers, as a small computer device, have gradually become an indispensable choice for people. Compared with general computers, mini computers are small in size and light in weight. While ensuring their small size, the performance of mini computers is not inferior to other large computers. In addition, mini computers have low power consumption and can effectively save electricity, which makes mini computers widely used in all walks of life.

[0003] Traditional mini computers are used as standard computers and do not have industrial control functions. Utility Model Content

[0004] The present application provides a mini computer that can be expanded for industrial control purposes, so as to solve the problem that traditional mini computers are used as standard computers and do not have industrial control functions.

[0005] In order to solve the above technical problems, a technical solution adopted by the present application is: to provide a mini computer that can be expanded for industrial control purposes, and the mini computer that can be expanded for industrial control purposes includes:

[0006] Mini host components and industrial control expansion components;

[0007] The mini host component includes a first mainboard, a host expansion connection module and a communication module, the first mainboard is a PCB board, the host expansion connection module includes a host expansion data bus connector and a host expansion power connector, the host expansion data bus connector and the host expansion power connector are both electrically connected to the first mainboard, the communication module includes an M.2E socket, a hard board built-in antenna and a wifi / bluetooth integrated chip, the M.2E socket is electrically connected to the first mainboard, the wifi / bluetooth integrated chip is installed on the M.2E socket, the wifi / bluetooth integrated chip is provided with an IPEX plug, and the hard board built-in antenna is electrically connected to the wifi / bluetooth integrated chip through the IPEX plug.

[0008] The industrial control expansion component includes a second mainboard, a mechanical hard disk module and an industrial control expansion connection module. The second mainboard is a PCB board, and a preset circuit is printed on the second mainboard. The mechanical hard disk module includes a mechanical hard disk, a SATA data cable socket and a hard disk SATA data cable plug. The SATA data cable socket is electrically connected to the second mainboard. The hard disk SATA data cable plug electrically connects the mechanical hard disk and the SATA data cable socket to facilitate writing or reading data to the mechanical hard disk. The industrial control expansion connection module includes an industrial control expansion power connector and an industrial control expansion data bus connector. The industrial control expansion power connector is electrically connected to the host expansion power connector to power the industrial control expansion component. The industrial control expansion data bus connector is electrically connected to the host expansion data bus connector to facilitate data and electrical signal communication between the mini host component and the industrial control expansion component.

[0009] Optionally, the host expansion data bus connector and the industrial control expansion data bus connector both adopt FPC sockets, and the host expansion power connector and the industrial control expansion power connector both adopt pin header sockets.

[0010] Optionally, the host component further includes two groups of DDR memory modules, the DDR memory module includes a DDR slot and a DDR memory stick, the DDR slot is electrically connected to the first motherboard, and the DDR memory stick is installed in the DDR slot.

[0011] Optionally, the mini host component also includes two groups of SSD solid state drive modules, the SSD solid state drive module includes an M.2 socket and an SSD solid state drive, the M.2 socket is electrically connected to the first motherboard, and the SSD solid state drive is installed in the M.2 socket.

[0012] Optionally, the mini host assembly further includes a heat dissipation module, the heat dissipation module includes a heat dissipation fan, and the heat dissipation fan is fixedly assembled with the first mainboard by screws to dissipate heat for the mini host assembly.

[0013] Optionally, the mini host component also includes a communication module, which includes an M.2E-type socket, a hard board built-in antenna and a wifi / Bluetooth integrated chip, the M.2E-type socket is electrically connected to the first motherboard, the wifi / Bluetooth integrated chip is installed on the M.2E-type socket, the wifi / Bluetooth integrated chip is provided with an IPEX plug, and the hard board built-in antenna is electrically connected to the wifi / Bluetooth integrated chip through the IPEX plug.

[0014] Optionally, the industrial control expansion component also includes a GPIO interface socket, and the GPIO interface socket is electrically connected to the second mainboard.

[0015] Optionally, the industrial control expansion component also includes an auxiliary power input socket, which is electrically connected to the second mainboard to provide auxiliary power for the mini computer that can be expanded for industrial control purposes to exercise the GPIO function.

[0016] Optionally, the industrial control expansion component also includes a first network interface. Two first network interfaces are provided, which are used to connect to an intranet and an extranet respectively, so as to facilitate network isolation and security control and protect the internal network from attacks by the external network.

[0017] Optionally, the industrial control expansion component also includes a second USB interface and a connection serial port, the second USB interface is used to connect external devices to the industrial control expansion component, and the connection serial port is used to establish communication between the industrial control expansion component and industrial equipment.

[0018] The beneficial effect of the present application is that in the mini computer that can be expanded for industrial control purposes provided in the present application, by 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, thereby solving the problem that the mini computer is used as a standard computer but does not have industrial control functions. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. Among them:

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of a mini computer that can be expanded for industrial control purposes provided in an embodiment of the present application;

[0021] Figure 2 It is a three-dimensional structural diagram of a mini host component part and an industrial control expansion component part in a mini computer that can be expanded for industrial control purposes;

[0022] Figure 3 This is an exploded view of the mini host component part of a mini computer that can be expanded for industrial control purposes;

[0023] Figure 4 It is a three-dimensional structural diagram of the mini host component part of a mini computer that can be expanded into industrial control purposes;

[0024] Figure 5 It is a three-dimensional structural diagram of a communication module in a mini computer that can be expanded for industrial control purposes;

[0025] Figure 6 It is a three-dimensional structural diagram of the industrial control expansion component part of a mini computer that can be expanded for industrial control purposes;

[0026] Figure 7 It is a three-dimensional structural diagram from another perspective of the industrial control expansion component part of a mini computer that can be expanded for industrial control purposes.

[0027] Explanation of reference numerals: 100, mini host assembly; 101, first static elimination board; 102, second static elimination board; 110, first mainboard; 111, first side; 112, card reader; 113, microphone interface; 114, first USB interface; 115, second network interface; 116, type-c interface; 117, HDMI interface; 118, headphone interface; 119, power interface; 120, heat dissipation module; 121, first fixing column; 122, pressure plate; 123, connecting piece; 124, heat conducting piece; 125, cooling fan; 126, cooling copper fin; 130, host expansion data bus connector; 140, host expansion power connector; 150, fan power socket; 160, M.2 socket; 170, SSD solid state drive; 180, DDR slot; 181, DD R memory stick; 190, communication module; 191, M.2E socket; 192, hard board built-in antenna; 193, wifi / bluetooth integrated chip; 200, industrial control expansion component; 210, second motherboard; 211, second USB interface; 212, first network interface; 213, serial port connection; 214, GPIO interface socket; 215, auxiliary power input socket; 220, industrial control expansion power connector; 230, industrial control expansion data bus connector; 240, mechanical hard disk; 241, SATA data cable socket; 242, hard disk power cable socket; 243, hard disk SATA data cable plug; 244, hard disk power cable plug; 300, mini host shell; 310, industrial control expansion shell; 320, fixing plate; 330, fixing plate; 340, third fixing column; 350, fourth fixing column. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0029] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back...), such directional indications are only used to explain the relative position relationship, movement, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0030] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present application, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0031] like Figures 1 to 7 As shown, the present application provides a mini computer that can be expanded for industrial control purposes, and the mini computer that can be expanded for industrial control purposes includes a mini host component 100 and an industrial control expansion component 200, the mini host component 100 includes a first mainboard 110, a host expansion connection module and a communication module, the first mainboard 110 is a PCB board, and a preset circuit is printed on the first mainboard 110, the host expansion connection module includes a host expansion data bus connector 130 and a host expansion power connector 140, the host expansion data bus connector 130 and the host expansion power connector 140 The devices 140 are electrically connected to the first motherboard 110, and the communication module 190 includes 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 to the first motherboard 110, and the wifi / bluetooth integrated chip 193 is installed on the M.2E type socket 191. Two IPEX plugs are provided on the wifi / bluetooth integrated chip 193, and the hard board built-in antenna 192 is electrically connected to the wifi / bluetooth integrated chip 193 through the IPEX plug.

[0032] The industrial control expansion component 200 includes a second mainboard 210, a mechanical hard disk module and an industrial control expansion connection module. The second mainboard 210 is a PCB board, and a preset circuit is printed on the second mainboard 210. The mechanical hard disk module includes a mechanical hard disk 240, a SATA data cable socket 241 and a hard disk SATA data cable plug 243. The SATA data cable socket 241 is electrically connected to the second mainboard 210. The hard disk SATA data cable plug 243 electrically connects the mechanical hard disk 240 and the SATA data cable socket 241 to facilitate writing or reading data to the mechanical hard disk 240. The industrial control expansion connection module includes 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 to the host expansion power connector 140 to facilitate power supply to the industrial control expansion component 200. The industrial control expansion data bus connector 230 is electrically connected to the host expansion data bus connector 130 to facilitate data and electrical signal communication between the mini host component 100 and the industrial control expansion component 200.

[0033] The first motherboard 110 is roughly rectangular, and a CPU is installed on one surface of the first motherboard 110. The CPU is electrically connected to the first motherboard 110. The mini host assembly 100 also includes a heat dissipation module 120. The heat dissipation module 120 includes a first fixing column 121, a pressure plate 122, a connecting piece 123, a heat conductive sheet 124, a cooling fan 125, and a heat dissipation copper fin 126. Four first fixing columns 121 are arranged around the CPU, and the four first fixing columns 121 are located at the four corners of the rectangle. The first fixing columns 121 are fixedly assembled with the first motherboard 110. Two connecting pieces 123 are provided and one connecting piece 123 is provided between the two first fixing columns 121. The connecting piece 123 is fixed between the first fixing columns 121 by screws, so that the two connecting pieces 123 are symmetrical about the CPU. A pressure plate 122 is provided between the two connecting pieces 123, and the pressure plate 122 is fixed to the two connecting pieces 123 by screws, so that the pressure plate 122 can press and fix the CPU.

[0034] There are multiple heat conducting sheets 124, and the heat conducting sheets 124 are irregular in shape. The heat conducting sheets 124 cover the CPU and part of the resistors on the first mainboard 110 to facilitate the heat dissipation of the CPU and the resistors. The cooling fan 125 covers the heat conducting sheets 124. A second fixing column is fixedly assembled on the pressure plate 122. The cooling fan 125 is fixedly assembled with the second fixing column by screws to facilitate fixing the position of the cooling fan 125. The heat conducting sheets 124 are also covered with heat dissipating copper fins 126, and the heat dissipating copper fins 126 are fixedly connected to the cooling fan 125 to enhance the heat dissipation effect of the cooling fan 125 and to guide the heat out.

[0035] The four sides of the first main board 110 are respectively a first side 111, a second side, a third side and a fourth side.

[0036] A card reader 112 is provided on one side of the first mainboard 110 close to the first side edge 111. The card reader 112 is provided between the heat dissipation copper fins 126 and the first mainboard 110 and the card reader 112 is electrically connected to the first mainboard 110. The card reader 112 can be inserted with a mircoSD card so that a mini computer that can be expanded into industrial control purposes can read or write data from the mircoSD card.

[0037] A microphone interface 113 and a first USB interface 114 are also provided on one side of the first mainboard 110 near the first side edge 111. The microphone interface 113 is electrically connected to the first mainboard 110 to facilitate expansion of microphone devices for a mini computer that can be expanded for industrial control purposes. Three first USB interfaces 114 are provided, and the three first USB interfaces 114 are arranged in a row horizontally at equal intervals. In a specific embodiment, the first USB interface 114 adopts the USB3.0 protocol.

[0038] A second network interface 115 , a Type-C interface 116 , an HDMI interface 117 , an earphone interface 118 and a power interface 119 are provided on a side of the first mainboard 110 close to the second side.

[0039] There are two second network interfaces 115, which are spaced apart from each other. The second network interface 115 is electrically connected to the first mainboard 110. The two second network interfaces 115 can be used to connect to the intranet and the extranet respectively, so as to achieve network isolation and security control, and protect the internal network from attacks by the external network.

[0040] There are two type-c interfaces 116, which are arranged adjacent to each other. The type-c interface 116 is electrically connected to the first motherboard 110. The high-definition display output and data transmission functions of the mini computer that can be expanded for industrial control purposes can be realized through the type-c interface 116. The type-c interface 116 also has a PD function. When a display that supports the PD protocol is connected to the type-c interface 116, the mini computer that can be expanded for industrial control purposes can transmit audio and video to the display. At the same time, the display can also power the mini computer that can be expanded for industrial control purposes.

[0041] There are two HDMI interfaces 117 , which are arranged adjacent to each other. The HDMI interface 117 is electrically connected to the first mainboard 110 . The HDMI interface 117 is used to connect to an external display device to achieve display output or video display output with audio.

[0042] The headphone jack 118 is disposed between the type-c interface 116 and the second network interface 115 . The headphone jack 118 is electrically connected to the first motherboard 110 . The headphone jack 118 is used for connecting an external headphone device.

[0043] The power interface 119 is disposed on a side of the network interface away from the HDMI interface 117 . The power interface 119 is electrically connected to the first mainboard 110 . The power interface 119 is used for connecting to an external power source so as to supply power to the first mainboard 110 .

[0044] The host expansion connection module is arranged on a side of the first motherboard 110 close to the cooling fan 125. The host expansion connection module includes a host expansion data bus connector 130 and a host expansion power connector 140. The host expansion data bus connector 130 and the host expansion power connector 140 are both electrically connected to the first motherboard 110. In a specific embodiment, the host expansion data bus connector 130 adopts an FPC socket, and the host expansion power connector 140 adopts a pin header socket.

[0045] A fan power socket 150 is further provided on one side of the first mainboard 110 close to the cooling fan 125 . The fan power socket 150 is electrically connected to the first mainboard 110 . The fan power socket 150 is connected to an external power source to power the cooling fan 125 .

[0046] The SSD solid state hard disk module is arranged on a side of the first motherboard 110 away from the cooling fan 125. The SSD solid state hard disk module includes an M.2 socket 160 and an SSD solid state hard disk 170. There are two M.2 sockets 160 and two SSD solid state hard disks 170. The M.2 socket 160 is electrically connected to the first motherboard 110, and the SSD solid state hard disk 170 is installed in the M.2 socket 160.

[0047] The DDR memory module is also arranged on a side of the first motherboard 110 away from the cooling fan 125. The DDR memory module includes a DDR slot 180 and a DDR memory stick 181. There are two DDR slots 180 and two DDR memory sticks 181. The DDR slot 180 is electrically connected to the first motherboard 110, and the DDR memory stick 181 is installed in the DDR slot 180.

[0048] The communication module 190 is arranged between the SSD solid state drive 170 and the first motherboard 110. The communication module 190 includes 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 to the first motherboard 110. The wifi / Bluetooth integrated chip 193 is installed on the M.2E type socket 191. Two IPEX plugs are provided on the wifi / Bluetooth integrated chip 193. The hard board built-in antenna 192 is electrically connected to the wifi / Bluetooth integrated chip 193 through the IPEX plug. The communication module 190 is used for wireless communication between a mini computer that can be expanded into industrial control purposes and the outside world.

[0049] The second main board 210 is rectangular, and the second main board 210 is arranged parallel to and spaced from the first main board 110. An industrial control expansion connection module is provided on the side of the second main board 210 close to the first main board 110. The industrial control expansion connection module includes 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 both electrically connected to the second main board 210. In a specific embodiment, the industrial control expansion data bus connector 230 adopts an FPC socket, and the industrial control expansion power connector 220 adopts a pin header socket. In actual working process, the industrial control expansion power connector 220 is electrically connected to the host expansion power connector 140 to facilitate power supply for the industrial control expansion component 200, and the industrial control expansion data bus connector 230 is electrically connected to the host expansion data bus connector 130, so that data and electrical signal communication is established between the mini host component 100 and the industrial control expansion component 200.

[0050] A mechanical hard disk module is provided on a side of the second mainboard 210 away from the industrial control expansion connection module. The mechanical hard disk module includes a mechanical hard disk 240, a SATA data cable socket 241, a hard disk power cable socket 242, a hard disk SATA data cable plug 243, and a hard disk power cable plug 244. The SATA data cable socket 241 and the hard disk power cable socket 242 are both electrically connected to the second mainboard 210, and the hard disk SATA data cable plug 243 and the hard disk power cable plug 244 are both electrically connected to the mechanical hard disk 240. In a specific embodiment, the mechanical hard disk 240 adopts a 2.5-inch specification, the SATA data cable socket 241 is electrically connected to the hard disk SATA data cable plug 243 through a wire, and the hard disk power cable socket 242 is electrically connected to the hard disk power cable plug 244 through a wire.

[0051] A second USB interface 211 is also provided on the edge of the second mainboard 210. Two second USB interfaces 211 are provided and the two second USB interfaces 211 are adjacent to each other. The second USB interface 211 is electrically connected to the second mainboard 210. In a specific embodiment, the second USB interface 211 adopts the USB2.0 protocol so that the second USB interface 211 can be used to expand the industrial control expansion component 200 through external expansion devices.

[0052] A first network interface 212 is also provided on one side of the second mainboard 210 near the second USB interface 211. Two first network interfaces 212 are provided and the two first network interfaces 212 are adjacent to each other. The two first network interfaces 212 are respectively used to connect to the intranet and the extranet, so as to realize network isolation and security control and protect the internal network from attacks by the external network.

[0053] A connection serial port 213 is also provided on the edge of the second mainboard 210. There are several connection serial ports 213, which are evenly arranged at equal intervals on one side of the second mainboard 210. The several connection serial ports 213 are electrically connected to the second mainboard 210 to facilitate communication between the industrial control expansion component 200 and the industrial equipment through the connection serial port 213.

[0054] A GPIO interface socket 214 and an auxiliary power input socket 215 are also provided on a side of the second mainboard 210 away from the second USB interface 211. The GPIO interface socket 214 and the auxiliary power input socket 215 are adjacent to each other and are electrically connected to the second mainboard 210. When the mini computer that can be expanded for industrial control purposes exercises the GPIO function through the GPIO interface socket 214, the auxiliary power input socket 215 provides auxiliary power for the mini computer that can be expanded for industrial control purposes.

[0055] A first static elimination plate 101 is provided at a position of the first main board 110 close to the first side edge 111. The first static elimination plate 101 is fixedly assembled with the first main board 110. A second static elimination plate 102 is also provided on a side of the first main board 110 away from the first side edge 111. The second static elimination plate 102 is fixedly assembled with the first main board 110. A first spring sheet is provided on the first static elimination plate 101, and a second spring sheet is provided on the second static elimination plate 102.

[0056] The mini computer that can be expanded for industrial control purposes also includes a housing assembly, which includes a mini host housing 300 , an industrial control expansion housing 310 , a fixing plate 320 , a fixing sheet 330 , a third fixing column 340 and a fourth fixing column 350 .

[0057] There are four fixing plates 330, which are respectively located at the four corners of the second main board 210. The fixing plates 330 are fixedly assembled with the second main board 210 by screws. A third fixing column 340 is provided on each fixing plate 330. The third fixing column 340 is fixedly assembled with the fixing plate 330, and the third fixing column 340 close to the first static elimination plate 101 is fixedly assembled with the first static elimination plate 101 by screws, and the third fixing column 340 close to the second static elimination plate 102 is fixedly assembled with the second static elimination plate 102 by screws. The first static elimination plate 101, the second static elimination plate 102 and the third fixing column 340 are all made of conductive metal materials.

[0058] A fourth fixing column 350 is also provided on the fixing plate 330, and the fourth fixing column 350 is fixedly assembled with the fixing plate 330. A fixing plate 320 is provided on the side of the fourth fixing column 350 away from the second main board 210. The fixing plate 320 is rectangular, and the fixing plate 320 is arranged parallel to and spaced from the second main board 210, and 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.

[0059] The mini host shell 300 and the industrial control expansion shell 310 are both containers with an opening on one side. The mini host component 100 is arranged in the mini host shell 300, and the industrial control expansion component 200 is arranged in the industrial control expansion shell 310. The hard board built-in antenna 192 is fixedly assembled on the inner wall of the mini host shell 300. A metal resistance part is provided in the industrial control expansion shell 310. The metal resistance part resists with the first spring sheet and the second spring sheet, so that a passage is formed between the first static elimination plate 101, the third fixed column 340, and the metal resistance part. A passage is also formed between the second static elimination plate 102, the third fixed column 340, and the metal resistance part, so as to eliminate static electricity on the second main board 210.

[0060] The shape of the mini host housing 300 matches the shape of the industrial control expansion housing 310 , so that the mini host housing 300 and the industrial control expansion housing 310 can be assembled together to form a closed container to accommodate the mini host component 100 and the industrial control expansion component 200 .

[0061] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A mini computer that can be expanded to industrial control purposes, characterized in that: include: Mini host component (100) and industrial control expansion component (200); The mini host assembly (100) comprises a first mainboard (110), a host expansion connection module and a communication module (190), wherein the first mainboard (110) is a PCB board, the host expansion connection module comprises a host expansion data bus connector (130) and a host expansion power connector (140), the host expansion data bus connector (130) and the host expansion power connector (140) are both electrically connected to the first mainboard (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 to the first mainboard (110), the wifi / bluetooth integrated chip (193) is installed 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 to the wifi / bluetooth integrated chip (193) through the IPEX plug; The industrial control expansion component (200) comprises a second mainboard (210), a mechanical hard disk module and an industrial control expansion connection module. The second mainboard (210) is a PCB board. A preset circuit is printed on the second mainboard (210). The mechanical hard disk module comprises a mechanical hard disk (240), a SATA data cable socket (241) and a hard disk SATA data cable plug (243). The SATA data cable socket (241) is electrically connected to the second mainboard (210). The hard disk SATA data cable plug (243) electrically connects the mechanical hard disk (240) and the SATA data cable socket (241). 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 to the host expansion power connector (140) to supply power to the industrial control expansion component (200). The industrial control expansion data bus connector (230) is electrically connected to the host expansion data bus connector (130) to establish data and electrical signal communication between the mini host component (100) and the industrial control expansion component (200).

2. The mini computer expandable for industrial control purposes according to claim 1, characterized in that: The host expansion data bus connector (130) and the industrial control expansion data bus connector (230) both adopt FPC sockets, and the host expansion power connector (140) and the industrial control expansion power connector (220) both adopt pin header sockets.

3. The mini computer expandable for industrial control purposes according to claim 1, characterized in that: The mini host assembly (100) further comprises two groups of DDR memory modules, wherein the DDR memory modules comprise a DDR slot (180) and a DDR memory bar (181), wherein the DDR slot (180) is electrically connected to the first motherboard (110), and the DDR memory bar (181) is installed in the DDR slot (180).

4. The mini computer expandable for industrial control purposes according to claim 3, characterized in that: The mini host assembly (100) further comprises two groups of SSD solid state drive modules, wherein the SSD solid state drive module comprises an M.2 socket (160) and an SSD solid state drive (170), wherein the M.2 socket (160) is electrically connected to the first motherboard (110), and the SSD solid state drive (170) is installed in the M.2 socket (160).

5. The mini computer expandable for industrial control purposes according to claim 4, characterized in that: The mini host assembly (100) further comprises a heat dissipation module (120), wherein the heat dissipation module (120) comprises a heat dissipation fan (125), and the heat dissipation fan (125) is fixedly assembled with the first mainboard (110) by means of screws, so as to dissipate heat for the mini host assembly (100).

6. The mini computer expandable for industrial control purposes according to claim 1, characterized in that: The industrial control expansion component (200) further comprises a GPIO interface socket (214), and the GPIO interface socket (214) is electrically connected to the second mainboard (210).

7. The mini computer expandable for industrial control purposes according to claim 6, characterized in that: The industrial control expansion component (200) further comprises an auxiliary power input socket (215), wherein the auxiliary power input socket (215) is electrically connected to the second mainboard (210) so as to provide auxiliary power for the mini computer that can be expanded for industrial control purposes when exercising the GPIO function.

8. The mini computer expandable for industrial control purposes according to claim 7, characterized in that: The industrial control expansion component (200) further comprises a first network interface (212), wherein two first network interfaces (212) are provided, respectively used to connect to an internal network and an external network, so as to facilitate network isolation and security control, and protect the internal network from attacks by the external network.

9. The mini computer expandable for industrial control purposes according to claim 8, characterized in that: The industrial control expansion component (200) further comprises a second USB interface (211) and a connection serial port (213), wherein the second USB interface (211) is used to connect external devices to the industrial control expansion component (200), and the connection serial port (213) is used to establish communication between the industrial control expansion component (200) and industrial equipment.

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