CN220085334U - Embedded industrial personal computer integrated with read-write function and automatic ticket vending and checking system - Google Patents

Abstract

The utility model provides an embedded industrial personal computer with integrated read-write function and an automatic ticket selling and checking system. The embedded industrial personal computer integrating the read-write function comprises a shell, a main board, a plurality of external interfaces, an interface board and a read-write function module, wherein a processor is arranged on the main board, the main board and the interface board are arranged in the shell at intervals, the read-write function module is arranged on the main board and/or the interface board, and the read-write function module is electrically connected with the processor so as to directly communicate through the processor; the plurality of external interfaces are respectively arranged on the main board and the interface board in two groups, are all positioned between the main board and the interface board and are exposed out of the shell. The processor of the embedded industrial personal computer is utilized to directly drive the read-write function of the read-write function module, a mode of issuing commands through a serial port is not needed, the time of the whole transaction flow can be obviously reduced, the control is quick, the connection is simple, and the industrial personal computer and the read-write function can be developed by using one platform, so that the development cost is reduced.

Description

Embedded industrial personal computer integrated with read-write function and automatic ticket vending and checking system

Technical Field

The utility model relates to the technical field of industrial control computers, in particular to an embedded industrial control computer with integrated read-write function and an automatic ticket selling and checking system.

Background

At present, the control mode of an industrial personal computer and a reader-writer is used in the design of equipment such as a gate, an automatic ticket vending machine, an intelligent customer service self-service machine and the like in a domestic subway AFC (Automatic Fare Collection automatic ticket vending and checking system) and the design of the equipment which is almost used for more than ten years. Functionally, the industrial personal computer independently runs the application and the management program of the equipment, the reader-writer runs the application program related to card reading, the industrial personal computer sends commands such as card reading, card writing fee, inquiry state and the like to the reader-writer through the serial port, and after the reader-writer finishes the inbound or outbound transaction according to inquiry, the commands are sent to the gate mechanism or the ticket issuing or recycling mechanism, so that the whole transaction time can be longer.

A reader-writer is arranged on the unidirectional gate, the automatic ticket vending machine and the intelligent customer service self-service machine, and the serial communication has influence; the control mode of 2 readers/writers is provided on the bi-directional gate. 2 readers are needed to carry out round-robin communication, so that the speed is slower; the control mode of using the industrial personal computer and 2 readers is adopted. The control mode is complex and has high cost.

Because of the large number of modules in the equipment, the power consumption of the industrial personal computer is high, and the power requirement of the power supply module required to be configured is high. In addition, the power consumption is high, and the measure of heat dissipation is high. In subway equipment, an industrial personal computer without a fan is generally required, so that the heat dissipation cost is greatly increased. The equipment comprises an industrial personal computer and a reader-writer which are independently installed, and the required power supply, the installation size and wiring are complex.

Disclosure of Invention

The utility model provides an embedded industrial personal computer with integrated read-write function and an automatic ticket selling and checking system, which are rapid to control and low in cost.

In one aspect, the utility model provides an embedded industrial personal computer with integrated read-write function, which comprises a shell, a main board and a plurality of external interfaces, wherein a processor is arranged on the main board, the embedded industrial personal computer with integrated read-write function also comprises an interface board and a read-write function module, the main board and the interface board are arranged in the shell at intervals, the read-write function module is arranged on the main board and/or the interface board, and the read-write function module is electrically connected with the processor so as to directly communicate through the processor; the external interfaces are divided into two groups and are respectively arranged on the main board and the interface board, and the external interfaces are all positioned between the main board and the interface board and are exposed out of the shell.

The shell is square and comprises a top shell and a bottom shell, and the top shell and the bottom shell are arranged opposite to each other;

the top shell, the interface board, the main board and the bottom shell are sequentially arranged;

the read-write function module comprises a read-write function module circuit and a PSAM interface; the read-write function module circuit is arranged on the main board, and the PSAM interface is arranged on one surface of the interface board facing the top shell;

the PSAM interface is characterized in that an opening is formed in the top shell at a position corresponding to the PSAM interface, a cover plate is covered at the opening, one end of the cover plate is clamped to the top shell, and the other end of the cover plate is connected to the top shell through a hand-screwed screw.

The top shell comprises an inner top plate and an outer top plate which are arranged in a stacked mode, the outer top plate covers the outer surface of the inner top plate, openings are formed in the outer top plate and the inner top plate, one end of the cover plate is clamped to the outer top plate, and the other end of the cover plate is connected to the outer top plate through hand screwing screws.

The processor is arranged on one surface of the main board, which faces the bottom shell, a heat dissipation silica gel pad and a soaking aluminum plate are arranged between the processor and the bottom shell, and the bottom shell is made of heat conduction materials.

The read-write functional module further comprises a nixie tube, wherein the nixie tube is arranged on one surface of the interface board, which faces the top shell; a through hole is formed in the position, corresponding to the nixie tube, of the top shell, and the nixie tube penetrates through the through hole and is exposed out of the top shell; the interface board is provided with the nixie tube driving circuit, and the nixie tube is electrically connected between the processor and the nixie tube through the nixie tube driving circuit.

The shell further comprises two side plates and two external plates, wherein the two side plates and the two external plates are fixed between the top shell and the bottom shell, the two side plates are oppositely arranged, and the two external plates are oppositely arranged;

a plurality of the external interfaces are exposed out of the external connecting plate;

a plurality of heat dissipation holes are formed in the two side plates.

The top shell comprises an inner top plate and an outer top plate which are arranged in a stacked mode, and the outer top plate covers the outer surface of the inner top plate;

the two ends of the inner top plate are fixedly connected with the two side plates respectively, and are of an integrated structure formed by bending plates.

The read-write functional module further comprises an antenna interface and a long-distance antenna interface, wherein the antenna interface and the long-distance antenna interface are both fixed on the main board, are electrically connected to the processor, and leak out of the shell.

The power supply processing circuit is connected with the external electricity through the external electricity detection circuit, and when the external electricity detection circuit detects power failure, the super capacitor circuit is electrically connected with the power supply processing circuit.

On the other hand, the utility model provides an automatic ticket vending and checking system which comprises the embedded industrial personal computer with the integrated read-write function.

The embedded industrial personal computer with integrated read-write function and the automatic ticket selling and checking system provided by the utility model have the advantages that the read-write function of the read-write function module is directly driven by the processor of the embedded industrial personal computer, the mode of issuing commands through a serial port is not needed, the time of the whole transaction flow can be obviously reduced, the control is quick, the connection is simple, and the industrial personal computer and the read-write function can be developed by using one platform, so that the development cost is reduced; the main board and the interface board are arranged, a plurality of external interfaces are respectively arranged on the main board and the interface board and are positioned between the main board and the interface board, so that the main board and the interface board can keep a certain interval, heat dissipation is facilitated, and the heat dissipation cost is low.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments are briefly described below, and the drawings in the following description are only drawings corresponding to some embodiments of the present utility model.

FIG. 1 is a schematic diagram of an embedded industrial personal computer with integrated read/write function according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of an embedded industrial personal computer of FIG. 1 at another angle;

FIG. 3 is an exploded view of the embedded industrial personal computer of FIG. 1;

FIG. 4 is an exploded view of the embedded industrial personal computer of FIG. 1 from another angle;

FIG. 5 is a schematic diagram illustrating connection between a processor and a read/write function module of the embedded industrial personal computer of FIG. 1;

fig. 6 is an external connection schematic diagram of the embedded industrial personal computer in fig. 1.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The automatic ticket selling and checking system provided by the preferred embodiment of the utility model comprises an embedded industrial personal computer with an integrated read-write function and a radio frequency antenna, wherein the embedded industrial personal computer is internally provided with a read-write function module, and the read-write function module can read and write information of a non-contact IC card, a disposable subway ticket and the like by matching with the radio frequency antenna. The embedded industrial personal computer and the radio frequency antenna can be matched with a subway gate in an automatic ticket selling and checking system, or an automatic ticket vending machine, or an intelligent customer service self-service machine and other devices.

Referring to fig. 1to 5, an embedded industrial personal computer with integrated read-write function includes a housing 1, a motherboard 2, an interface board 3, a read-write function module 4, and a plurality of external interfaces 5. The main board 2 and the interface board 3 are arranged in the shell 1 at intervals; the main board 2 is provided with a processor 20; the read-write function module 4 is disposed on the motherboard 2 and/or the interface board 3, and the read-write function module 4 is electrically connected to the processor 20 to directly communicate through the processor 20. The plurality of external interfaces 5 are respectively arranged on the main board 2 and the interface board 3 in two groups, and the plurality of external interfaces 5 are all positioned between the main board 2 and the interface board 3 and are exposed out of the shell 1.

As shown in fig. 5, in the utility model, by arranging the read-write function module 4 in the embedded industrial personal computer, the read-write function module 4 is electrically connected to the processor 20, and directly communicates through the processor 20, and the read-write function of the read-write function module 4 is directly driven by the processor 20 of the embedded industrial personal computer, so that the information such as a non-contact IC card, a disposable subway ticket and the like can be read through the radio frequency signal sent by the radio frequency antenna, and the control is quick and the connection is simple; when the passenger ticket card is read, the application software of the embedded industrial personal computer only needs to send a command and call the relevant interface of the read-write function module 4, so that the card can be directly read and written through the radio frequency read-write chip, the mode of sending the command through a serial port is not needed, and the time of the whole transaction flow can be obviously reduced. Because the processor 20 directly drives the read-write function module 4, the industrial personal computer and the read-write function can be developed by using one platform, the development is also very simple, and the development cost is reduced.

The embedded processor 20 is adopted, the power consumption is low, the heat dissipation and the external dimension can be reduced, the industrial personal computer and the read-write function thereof can be cooked by using one platform, and the development is also very simple. Set up two circuit boards of mainboard 2 and interface board 3 in the embedded industrial computer, a plurality of external interfaces 5 set up respectively on mainboard 2 and interface board 3, and lie in between mainboard 2 and the interface board 3, can make mainboard 2 and interface board 3 keep certain interval, do benefit to the heat dissipation, and make things convenient for a plurality of external interfaces 5's setting.

The processor 20 of the embedded industrial personal computer can adopt a processor 20 with a main frequency of 1.8GHz, for example, a domestic high-power processor with the main frequency of up to 1.8GHz. The main board 2 is provided with an 8G memory, a 64GEMMC memory, the G52 integrated graphics processor 20 and a built-in independent NPU, the calculation power reaches 1Tops, and the control requirement of the embedded industrial personal computer can be met. The processor 20, memory and storage may be connected to form a core unit circuit.

As shown in fig. 1 and 2, in the present embodiment, the housing 1 is square, so as to be mounted on a device such as a gate of an application. The housing 1 includes a top case 11 and a bottom case 12, and the top case 11 is disposed opposite to the bottom case 12. The top shell 11, the interface board 3, the main board 2 and the bottom shell 12 are mutually parallel and are sequentially arranged. The read-write function module 4 comprises a read-write function module circuit and a PSAM (Purchase Secure Access Module, point-of-sale terminal security access module) interface 41; the read-write function module circuit is arranged on the main board 2, and the PSAM interface 41 is arranged on one surface of the interface board 3 facing the top shell 11; an opening 110 is arranged on the top shell 11 at a position corresponding to the PSAM interface 41, a cover plate 19 is covered on the opening 110, one end of the cover plate 19 is clamped on the top shell 11, and the other end of the cover plate 19 is connected to the top shell 11 through a hand-screwed screw 18. The cover plate 19 may be removed by turning the hand screw 18 to expose the PSAM interface 41 through the opening 110 in the top housing 11, thereby facilitating replacement of the PSAM card therein.

The top case 11 includes an inner top plate 111 and an outer top plate 112 stacked together, the outer top plate 112 covers the outer surface of the inner top plate 111, openings 110 are provided in both the outer top plate 112 and the inner top plate 111, one end of the cover plate 19 is clamped to the outer top plate 112, and the other end is connected to the outer top plate 112 by screwing screws 18. The outer top plate 112 can be used for conveniently arranging device patterns, labels and the like, and the outer top plate 112 is matched with the inner top plate 111, so that the cover plate 19 and the top shell 11 can be conveniently assembled and connected.

As shown in fig. 3 and 4, the read-write functional module 4 further includes a nixie tube 42, where the nixie tube 42 is disposed on a surface of the interface board 3 facing the top case 11; a through hole 1142 is arranged on the top shell 11 at a position corresponding to the nixie tube 42, and the nixie tube 42 passes through the through hole 1142 and is exposed outside the top shell 11; the interface board 3 is provided with a nixie tube 42 driving circuit, and the nixie tube 42 is electrically connected between the processor 20 and the nixie tube 42 through the nixie tube 42 driving circuit. The fault code can be displayed on the top of the embedded industrial personal computer through the nixie tube 42 so as to process faults. In this embodiment, the nixie tube 42 is a 4-bit nixie tube 42, and of course, the nixie tube 42 with other digits can be provided as required.

In the present utility model, the read/write function module 4 includes a plurality of circuits and electronic components, which may be disposed on the motherboard 2, or may be disposed on the interface board 3, or may be disposed on the motherboard 2 or the interface board 3, respectively, as required, so that the read/write function module 4 is disposed on the motherboard 2 and/or the interface board 3.

The processor 20 is disposed on a surface of the main board 2 facing the bottom shell 12, as shown in fig. 3 and 4, a heat dissipation silica gel pad (not shown) and a soaking aluminum plate 6 are disposed between the processor 20 and the bottom shell 12, and the bottom shell 12 is made of a heat conducting material. The heat generated by the processor 20 is led into the bottom shell 12 of the embedded industrial personal computer through the heat dissipation silica gel pad and the soaking aluminum plate 6, and then is conducted onto the metal shell inside the equipment through the bottom shell 12, so that a good heat dissipation effect is achieved.

The read-write functional module 4 further includes an antenna interface and a long-distance antenna interface, which are both fixed on the motherboard 2, electrically connected to the processor 20, and leaked to the housing 1. Short-distance communication can be realized by using the antenna interface, and long-distance communication can be realized by using the long-distance antenna interface.

As shown in fig. 1to 4, the housing 1 further includes two side plates 13 and two external connection plates 14, the two side plates 13 and the two external connection plates 14 are both fixed between the top case 11 and the bottom case 12, the two side plates 13 are oppositely arranged, and the two external connection plates 14 are oppositely arranged; a plurality of external interfaces 5 are exposed out of the external board 14; a plurality of heat radiation holes 130 are provided on both side plates 13. The external connection plate 14 can be used for conveniently arranging a plurality of external interfaces 5, and the radiating holes 130 arranged on the side plates 13 can form through air flow in the shell 1, thereby being beneficial to radiating heat.

The two ends of the inner top plate 111 are fixedly connected with the two side plates 13 respectively, and are of an integrated structure formed by bending plates, so that the inner top plate is convenient to machine and shape, and is convenient to assemble and connect with the bottom shell 12 and the external plate 14. One of the outer connecting plates 14 is fixedly connected with the bottom shell 12 and is of an integrated structure formed by bending plates, so that the outer connecting plate is convenient to process and shape and convenient to assemble and connect.

The embedded industrial personal computer provided by the utility model has the external dimensions of 257mm long, 148mm wide and 56mm high (67 mm high with the hand-screwed screw 18), and has obviously smaller width and height compared with the common industrial personal computer.

As shown in fig. 1 and 2, the plurality of external interfaces 5 include a plurality of USB ports 51, a power input interface 52, an audio interface 53, an OTG USB interface 54, a USB3.0 interface 55, an HDMI interface 56, an LVDS interface 57, a COM8 reserved interface 58, two network interfaces 59, a plurality of COM serial ports 510, a GPIO interface 511, an RF3 long-distance antenna interface 512, and two radio frequency interfaces 513. The power input interface 52, the audio interface 53, the OTGUSB interface 54, the USB3.0 interface 55, the HDMI interface 56, the LVDS interface 57, the COM8 reserved interface 58, and the two network interfaces 59 are disposed at an edge of the motherboard 2 and are exposed to one of the external boards 14; the 3 COM serial ports 510, the GPIO interface 511, the RF3 long-distance antenna interface 512 and the two radio frequency interfaces 513 are disposed at the other edge of the motherboard 2 and are exposed from the other external board 14; the 4 USB ports 51 and the 4 COM serial ports are arranged at one edge of the interface board 3 and are exposed out of one external connection board 14; the 5 COM serial ports are disposed at the other edge of the interface board 3 and are exposed out of the other external board 14. A power switch 50 is further disposed on an external board 14, and the power switch 50 is electrically connected to the main board 2.

The main board 2 is also provided with a power supply processing circuit and a power-down prevention circuit, the power-down prevention circuit comprises an external electric detection circuit and a super capacitor circuit which are electrically connected, the power supply processing circuit is connected with the external electricity through the external electric detection circuit, and when the external electric detection circuit detects power down, the super capacitor circuit is electrically connected with the power supply processing circuit. The common industrial personal computer is not provided with a power-down prevention processing circuit, and an external UPS is needed to prevent power down, so that the cost is very high. The embedded industrial personal computer is internally provided with the anti-power-down circuit, when an external power supply falls, the external power supply is immediately switched to the super capacitor circuit to supply power, the industrial personal computer can be provided with 10 seconds of working time, the machine starting fault caused by file damage when an operating system and a file system are suddenly powered down can be prevented, transaction data and log files are not recorded in time and are lost, and sudden power-down card data writing damage and the like during card swiping transaction can be avoided. Here, in other embodiments, the power-down circuit may not be provided, and the power-down may be prevented by an external UPS.

The embedded industrial personal computer with integrated read-write function provided by the utility model directly uses the processor 20 of the industrial personal computer to directly drive the read-write function module 4, so that the control is quick and the connection is simple; because the processor 20 is an embedded processor 20, power consumption is greatly reduced compared with an industrial-level chipset of INTEL, and heat dissipation and external dimensions can be reduced. In addition, the development of the embedded industrial personal computer, the industrial personal computer and the read-write function use a platform, the development is also very simple, and the development cost is reduced.

In the utility model, as shown in fig. 5 and 6, the built-in read-write function module 4 can directly communicate with the processor 20 at high speed through SPI and ISO7616 interfaces, and the speed is high. When the passenger ticket card is read, the application software of the embedded industrial personal computer only needs to send a command and call the relevant interface of the read-write function module 4, so that the card can be directly read and written through the radio frequency chip, the mode of sending the command through a serial port is not needed, and the time of the whole transaction flow can be obviously reduced. In the existing subway AFC system, on a gate, an automatic ticket vending machine and an intelligent customer service self-service machine, in the usual case, for example, in the process of swiping a card by a passenger, an industrial personal computer sends a card reading and writing command to a reader through a serial port, and the reader sends an operation command to a radio frequency reading and writing chip after receiving the command. Because the distance between the industrial personal computer and the reader-writer is 2-5 meters, a serial port of 115200bps is needed to send and receive commands, and in principle, the transaction time is longer. The processor 20 of the embedded industrial personal computer directly uses the SPI communication interface with the speed of up to 10Mbps to directly communicate with the radio frequency chip, so that the communication time and the whole transaction time can be greatly shortened.

The embedded industrial personal computer with integrated read-write function and the self-service ticket selling and checking system provided by the utility model have the following beneficial effects.

On a gate machine, an automatic ticket vending machine and an intelligent customer service self-service machine in the subway self-service ticket vending and checking system, the embedded industrial personal computer can complete control on each device. An embedded industrial personal computer can realize the control of an inbound gate, can realize the control of an outbound gate, and can also complete the simultaneous control of the inbound and outbound operations of a complex bidirectional gate.

The interfaces of the common industrial personal computers are reserved, such as a plurality of standard serial ports, HDMI and LVDS display interfaces, 5 USB interfaces, 2 network ports, 1 GPIO interface and the like.

The passengers who enter the gate and go out the gate swipe the radio frequency antenna on card, can swipe subway store value ticket card and single pass ticket card, also can swipe the identity card, judge whether accord with old person's age, judge whether pass. The function of brushing a stored value ticket card and an identity card by a subway can also be realized on the two-way gate inlet and outlet antennas.

An embedded industrial personal computer can realize the functions of complete machine control of an automatic ticket vending machine, reading and writing of single ticket vending, card issuing and the like. An embedded industrial personal computer can realize the functions of complete machine control of the intelligent customer service self-service machine, inquiry and recharging of passenger ticket cards and the like.

The embedded industrial personal computer is a low-power consumption embedded complete machine and can be used as a core control module of the AFC terminal equipment. The current of the whole machine is only about 0.3A under the input voltage of 12V, and the power of the whole machine is less than 5W. The power consumption of the common industrial personal computer is about 50-100W, the embedded power consumption is obviously reduced, the heat dissipation links are few, and the heat dissipation cost can be reduced.

The embedded industrial personal computer is additionally provided with an anti-power-down circuit. The method can prevent the machine starting failure caused by file damage when the operating system and the file system suddenly lose power, and prevent transaction data and log files from being lost due to untimely recording, thereby avoiding sudden card data write-out and the like when card swiping transactions are performed.

The utility model provides an embedded industrial personal computer with integrated read-write function and a self-service ticket selling and checking system, and the software development environment is as follows.

1. The industrial control interface of the embedded industrial control computer comprises all driving and software management of all serial port communication, USB communication, power amplifier, voice playing, network and other functions of the industrial control computer.

2. The read-write function module 4 of the embedded industrial personal computer comprises various ticket card read-write antennas and software drivers of two-dimensional code reading heads,

3. the main components are as follows; an operating system, underlying peripheral drivers, and a system service initiation program.

4. The function of the reader-writer and the industrial personal computer is realized by compiling a bottom peripheral driver to generate peripheral drivers to provide upper application development of a dynamic library and a static library, and the method comprises the following steps: radio frequency module and PSAM card module, sound related audio frequency and buzzer module, data storage related ferroelectric memory module, display module related HDMI display development and nixie tube 42 status lamp display, communication related Ethernet and serial port communication module, common IO port and other functions responsible for driving sensor, display screen, ticket card recycling box equipment, and simultaneously realizing functions of read-write function, data interaction of upper server end and the like.

5. The Ubuntu-16 or more operating system is installed through a PC (computer) system end, and the system can also be supported through installing virtual machine software, and is developed according to the provided cross compiling tool chain.

6. The read-write module function contains the bottom layer driving program of the non-contact card, the unified operation interface has: initializing a radio frequency module function, a radio frequency module selection function, closing/opening radio frequency field intensity and TypeA/B operation card searching, anti-collision and card selecting processes.

7. The payment function development of the CPU card is supported, all CPU cards conforming to the ISO14443 standard are supported, the consumption of electronic wallets and electronic cash cards meeting the requirements of the Unionpay PBOC2.0/3.0 is supported, and the software conforms to the PBOC2.0/3.0level 1&2 standard; supporting the consumption of electronic wallet cards meeting the IC card standard of the building department; supporting electronic wallet and electronic cash card consumption meeting traffic department IC card standards; support the card consumption of the Kangan card.

8. All types of cards (e.g., S50, S70, M1/4 card simulated by CPU) supporting all M1 conforming to ISO14443 standard.

9. Supporting development of payment functions of ULC cards and supporting all ULC cards conforming to the ISO14443 standard;

10. the second generation identity card reading function is supported, resident identity card information can be read, and an interface function interface related to identity card operation is provided by the bottom layer driving function.

In summary, although the present utility model has been described in terms of the preferred embodiments, the above-mentioned embodiments are not intended to limit the utility model, and those skilled in the art can make various modifications and alterations without departing from the spirit and scope of the utility model, so that the scope of the utility model is defined by the appended claims.

Claims (10)

1. The embedded industrial personal computer with the integrated read-write function comprises a shell, a main board and a plurality of external interfaces, wherein a processor is arranged on the main board; the external interfaces are divided into two groups and are respectively arranged on the main board and the interface board, and the external interfaces are all positioned between the main board and the interface board and are exposed out of the shell.

2. The embedded industrial personal computer with integrated read-write function according to claim 1, wherein the housing is square and comprises a top case and a bottom case, and the top case and the bottom case are arranged opposite to each other;

the top shell, the interface board, the main board and the bottom shell are sequentially arranged;

the read-write function module comprises a read-write function module circuit and a PSAM interface; the read-write function module circuit is arranged on the main board, and the PSAM interface is arranged on one surface of the interface board facing the top shell;

the PSAM interface is characterized in that an opening is formed in the top shell at a position corresponding to the PSAM interface, a cover plate is covered at the opening, one end of the cover plate is clamped to the top shell, and the other end of the cover plate is connected to the top shell through a hand-screwed screw.

3. The embedded industrial personal computer with integrated read-write function according to claim 2, wherein the top shell comprises an inner top plate and an outer top plate which are stacked, the outer top plate covers the outer surface of the inner top plate, openings are formed in the outer top plate and the inner top plate, one end of the cover plate is clamped to the outer top plate, and the other end of the cover plate is connected to the outer top plate through a manual screw.

4. The embedded industrial personal computer with integrated read-write function according to claim 2, wherein the processor is arranged on one surface of the main board facing the bottom shell, a heat dissipation silica gel pad and a soaking aluminum plate are arranged between the processor and the bottom shell, and the bottom shell is made of a heat conduction material.

5. The embedded industrial personal computer integrating read-write functions according to claim 2, wherein the read-write function module further comprises a nixie tube, and the nixie tube is arranged on one surface of the interface board facing the top shell; a through hole is formed in the position, corresponding to the nixie tube, of the top shell, and the nixie tube penetrates through the through hole and is exposed out of the top shell; the interface board is provided with the nixie tube driving circuit, and the nixie tube is electrically connected between the processor and the nixie tube through the nixie tube driving circuit.

6. The embedded industrial personal computer with integrated read-write function according to claim 2, wherein the housing further comprises two side plates and two external plates, the two side plates and the two external plates are fixed between the top housing and the bottom housing, the two side plates are arranged oppositely, and the two external plates are arranged oppositely;

a plurality of the external interfaces are exposed out of the external connecting plate;

a plurality of heat dissipation holes are formed in the two side plates.

7. The integrated read-write function embedded industrial personal computer of claim 6, wherein the top case comprises an inner top plate and an outer top plate which are stacked, the outer top plate covers the outer surface of the inner top plate;

the two ends of the inner top plate are fixedly connected with the two side plates respectively, and are of an integrated structure formed by bending plates.

8. The embedded industrial personal computer with integrated read-write function according to claim 1, wherein the read-write function module further comprises an antenna interface and a long-distance antenna interface, wherein the antenna interface and the long-distance antenna interface are both fixed on a main board, are electrically connected to a processor, and are externally leaked to the housing.

9. The embedded industrial personal computer with integrated read-write function according to claim 1, wherein a power supply processing circuit and a power-down prevention circuit are further arranged on a main board, the power-down prevention circuit comprises an external electric detection circuit and a super capacitor circuit which are electrically connected, the power supply processing circuit is connected with the external electric through the external electric detection circuit, and when the external electric detection circuit detects power down, the super capacitor circuit is electrically connected with the power supply processing circuit.

10. An automatic ticket vending and checking system, characterized by comprising the embedded industrial personal computer with integrated read-write function as claimed in any one of claims 1-9.