Edge computing system

Abstract

The utility model relates to an edge computing system, which belongs to the technical field of edge computing and comprises a box body, an upper cover and an edge computing device, and the edge computing device is arranged in a space formed by the box body and the upper cover. The edge computing device comprises an intelligent computing board, a bottom board and a plurality of wiring terminals; a plurality of studs are arranged at the bottom in the box body, and the intelligent computing board is fixedly mounted on the studs; the bottommost part of the intelligent board contacts with the bottom of the box body; metal bosses are arranged on the left and right sides of the inner wall of the box body; the distance between the metal boss and the box bottom is greater than the height of a stud at the bottom of the box body; the bottom plate is fixed on the metal boss; a heat dissipation block is further arranged at the bottom in the box body; a power supply module is arranged on the bottom plate and is in contact with the heat dissipation block; the front wall of the box body is provided with a plurality of holes, and the multi-path wiring terminals penetrate through the front wall through the holes and are electrically connected with the bottom plate; the upper cover is fixed with the box body. The edge computing system which can adapt to various external sensors and external equipment and is stable in performance is realized.

Description

Technical Field

[0001] The utility model relates to the field of edge computing technology, and in particular to an edge computing system that can adapt to a variety of external sensors and external devices and has stable performance. Background Art

[0002] The integration of various products from different manufacturers and models required by the shelter itself requires the edge computing module to be able to access a variety of devices and adapt to the access of devices that may be needed in the future. This requires the edge computing module to have multiple types and multiple channels of communication and I / O interfaces. On the other hand, the rapid construction characteristics of the shelter itself require the edge computing module to reduce wiring pins, be able to install quickly, and be able to intelligently identify access devices to reduce manual configuration. These two aspects are contradictory, so it is necessary to find a balance between the two to achieve the unity of module multi-function and simplicity and ease of use.

[0003] In the intelligent application of square cabins, it is necessary not only to collect and control the basic information in the cabin, but also to provide all-round information interaction and management for future intelligent application scenarios such as intelligent medical equipment and robots in the cabin, such as: environmental information interaction, patient status and morphology / behavior recognition, voice interaction, etc. This requires the terminal module to use the sensing devices of various connected sensors (various sensors, cameras, human-computer interaction equipment, etc.) to obtain sufficient cabin information and personnel information, and provide data guidance for the normal operation of intelligent devices / robots.

[0004] Existing edge computing systems need to adapt to a variety of external sensors and external devices, so they have large heat dissipation and are prone to exceeding the normal operating temperature range of the chip, resulting in unstable performance.

[0005] The prior art lacks an edge computing system that can adapt to a variety of external sensors and external devices and has good heat dissipation performance and stable performance. Utility Model Content

[0006] In view of the above analysis, the utility model aims to provide an edge computing system to solve the problem that the prior art lacks an edge computing system that can adapt to a variety of external sensors and external devices and has good heat dissipation performance and stable performance.

[0007] The purpose of this utility model is mainly achieved through the following technical solutions:

[0008] An edge computing system, the system includes a box body, an upper cover, and an edge computing device, the edge computing device is arranged in the space formed by the box body and the upper cover; the edge computing device includes an intelligent computing board, a bottom plate, and multiple wiring terminals; a plurality of studs are arranged at the bottom of the box body, and the intelligent computing board is fixedly installed on the studs; the bottom of the intelligent board contacts the bottom of the box body; metal bosses are arranged on the left and right sides of the inner wall of the box body; the distance between the metal boss and the bottom of the box body is higher than the height of the studs at the bottom of the box body; the bottom plate is fixed on the metal bosses; a heat sink is also arranged at the bottom of the box body; a power module is arranged on the bottom plate, and the power module contacts the heat sink; a plurality of holes are arranged on the front wall of the box body, and the multi-way wiring terminals pass through the front wall through the holes and are electrically connected to the bottom plate; the upper cover is fixed to the box body.

[0009] Furthermore, the box body and the upper cover are made of aluminum alloy profiles; a thermal grease layer or a thermal pad is pasted on the inner bottom of the box body; the outer surface of the box body adopts an aluminum milling structure, and heat dissipation fins are provided except for the front wall of the box body.

[0010] Furthermore, an intelligent computing processor Atlas200 is provided on the intelligent computing board, and the intelligent computing processor Atlas200 is in contact with a thermal grease layer or a thermal pad pasted on the bottom of the box body.

[0011] Furthermore, the system also includes a gigabit network switch; the gigabit network switch is arranged inside the box; the gigabit network switch includes 5 network ports, including 2 network ports connected to the intelligent computing board and 1 network port connected to the base plate internally, and 2 network ports connected to external devices externally; the 2 network ports connected to external devices are respectively connected to the network camera and the upper-level switch.

[0012] Furthermore, the system box body is provided with two external Gigabit Ethernet interfaces on the left side of the front wall; a power switch is provided on the upper right side of the front wall; a power socket is provided below the power switch; a system status indicator light is provided on the left side of the power socket; and a multi-way wiring terminal is provided in the middle of the front wall.

[0013] Furthermore, the system multi-way terminal includes a socket and a plug; the socket adopts a bent pin socket with parameter KF2EDGRH; the plug adopts a pluggable plug with parameter KF2EDGKA. Further, the multi-way terminal includes 2 RS485 terminals, 1 CAN terminal, 1 Powerbus terminal, PWM terminal, data input terminal, and data output terminal.

[0014] Furthermore, the power socket is connected to an external 24V power supply and is internally connected to a power base plate, on which a power input protection circuit is provided. The power input protection circuit includes a three-pole gas discharge tube, a varistor, and a bidirectional TVS tube connected in parallel; the three-pole gas discharge tube, the varistor, and the bidirectional TVS tube are connected in parallel between the positive and negative poles of the power supply at the external power input end.

[0015] Furthermore, the power input protection circuit also includes a resettable fuse, a P-channel field effect transistor, a resistor R1, a resistor R2, and an anti-reverse connection capacitor; one end of the resettable fuse is connected to the positive electrode of the power supply, and the other end is connected to the drain of the P-channel field effect transistor; the source of the P-channel field effect transistor is connected to the positive electrode of the input power supply inside the base plate; the gate of the P-channel field effect transistor is connected to the negative electrode of the power supply through R1; the gate of the P-channel field effect transistor is connected to the positive electrode of the input power supply inside the base plate through R2; the anti-reverse connection capacitor is connected in parallel between the positive and negative electrodes of the input power supply inside the base plate.

[0016] Furthermore, the baseboard includes a Wiegand processor; the Wiegand processor provides 4 Wiegand channels and 1 RS485 channel, and the data input terminal and the data output terminal of the wiring terminal are connected to the access control card reader.

[0017] Compared with the prior art, the present invention can achieve at least one of the following beneficial effects:

[0018] 1. The box body and upper cover of the utility model are made of aluminum alloy profiles. A heat sink is arranged at the bottom of the box body to contact the power module with more heat dissipation. A thermal grease layer or a thermal pad is pasted at the bottom of the box body to contact the high-power intelligent computing processor Atlas200 to improve the heat dissipation efficiency. A circuit board mounting boss is arranged on the inner wall of the box body, and a copper foil edging with a width of 4mm is designed around the circuit board. The edging is tightly combined with the circuit board mounting boss on the box body, and a heat dissipation fin is arranged under the boss to accelerate the heat dissipation.

[0019] 2. Based on the application scenario of Fangcang Hospital, this utility model designs and develops a distributed infrastructure IoT control system for Fangcang Hospital, which serves as the information collection and control node for each cabin of the Fangcang Hospital intelligent management and control system. This system is a distributed open platform with core capabilities such as storage and application at the edge of the network of the Fangcang Hospital data source. It can provide edge intelligent services nearby, obtain information through various serial ports and network ports to connect to the terminal sensors, and perform real-time control; it meets the key needs of Fangcang Hospital digitalization in terms of agile connection, real-time business, data optimization, application intelligence, security and privacy protection.

[0020] 3. The system described in the utility model includes cabin environment monitoring, access control, lighting control, vision-based cabin personnel behavior recognition, and interaction between cabin personnel and equipment.

[0021] 4. The system described in the utility model supports direct connection of network cameras via Ethernet, allowing other video acquisition and display devices to obtain video information of cameras connected to the edge computing system through the upper-layer switch; supports the judgment, alarm and monitoring of the status and behavior of personnel in a specific area; supports connection to the command or monitoring center via remote communication, and the baseboard basic processor GD32F470VGT7 and the intelligent computing board processor Atlas200 used are both domestic embedded chips; supports distributed computing of domestic operating systems; can be used as a cabin central control device to interact with other independently running devices such as medical equipment, human-computer interaction equipment, etc. with data interaction interfaces in the room, and can be used as a remote control node to realize remote monitoring of the cabin by the central control room (including regional scene control).

[0022] 5. The shell of the utility model adopts an aluminum milling structure design, which is waterproof, dustproof and resistant to electromagnetic radiation.

[0023] In the present invention, the above-mentioned technical solutions can also be combined with each other to achieve more preferred combination solutions. Other features and advantages of the present invention will be described in the following content, and some advantages can be obvious from the description or understood by implementing the present invention. The purpose and other advantages of the present invention can be achieved and obtained through the contents specifically pointed out in the text and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The accompanying drawings are only used for the purpose of illustrating specific embodiments and are not to be considered as limiting the present invention. In the entire drawings, the same reference symbols represent the same components.

[0025] Figure 1 It is a schematic diagram of the internal structure of an edge computing system;

[0026] Figure 2 This is a schematic diagram of a power input protection circuit for an edge computing system.

[0027] Reference numerals:

[0028] 1- Terminal block;

[0029] 2-Upper cover;

[0030] 3- heat sink;

[0031] 4- cooling fins;

[0032] 5- bottom plate;

[0033] 6-Smart computing board. DETAILED DESCRIPTION

[0034] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0035] A specific embodiment of the present utility model discloses an edge computing system, such as Figure 1 As shown. The system includes a box body, an upper cover 2, and an edge computing device, which is arranged in the space formed by the box body and the upper cover 2; the edge computing device includes an intelligent computing board 6, a bottom plate 5, and a plurality of wiring terminals 1; a plurality of studs are arranged at the bottom of the box body, and the intelligent computing board 6 is fixedly mounted on the studs; the bottom of the intelligent board contacts the bottom of the box body; metal bosses are arranged on the left and right sides of the inner wall of the box body; the distance between the metal bosses and the bottom of the box body is higher than the height of the studs at the bottom of the box body; the bottom plate 5 is fixed on the metal bosses; a heat sink 3 is also arranged at the bottom of the box body; a power module is arranged on the bottom plate 5, and the power module contacts the heat sink 3; a plurality of holes are arranged on the front wall of the box body, and the multi-way wiring terminals 1 pass through the front wall through the holes and are electrically connected to the bottom plate 5; the upper cover 2 is fixed to the box body.

[0036] The box body and the upper cover 2 are made of aluminum alloy profiles; a thermal grease layer or a thermal pad is pasted on the bottom of the box body; the outer surface of the box body is made of aluminum milling structure, and heat dissipation fins 4 are arranged on the outside except the front wall of the box body.

[0037] Specifically, the upper, lower, left, right and rear surfaces of the box body are all provided with heat dissipation fins 4 for dissipating heat and achieving the effect of anti-electromagnetic interference.

[0038] The intelligent computing board 6 is provided with an intelligent computing processor Atlas 200 , and the intelligent computing processor Atlas 200 is in contact with a thermal conductive silicone grease layer or a thermal conductive pad pasted on the bottom of the box body.

[0039] Specifically, since the intelligent computing processor Atlas200 has high power consumption, it is in contact with the thermal grease layer or thermal pad pasted on the bottom of the box body to quickly conduct heat and prevent the temperature of the intelligent computing processor Atlas200 from exceeding the chip operating temperature range.

[0040] The intelligent computing board 6 uses Huawei's Ascend Atlas200 processor. The intelligent computing board 6 can obtain network camera information through a gigabit network switch, complete the inference calculation of video stream information, and realize abnormal behavior judgment, including: falls, gatherings, conflicts, etc.

[0041] It should be noted that the software and algorithms used in the Atlas200 processor to identify abnormal behavior are methods in the prior art. It is only necessary to load the existing identification software into the Atlas200 processor for execution. This application does not involve any software improvements.

[0042] The system also includes a gigabit network switch; the gigabit network switch is arranged inside the box; the gigabit network switch includes 5 network ports, including 2 network ports connected to the intelligent computing board 6 and 1 network port connected to the base plate 5 internally, and 2 network ports connected to external devices externally; the 2 network ports connected to external devices are respectively connected to the network camera and the upper switch.

[0043] Specifically, the base plate 5 communicates with the external central computer through a gigabit network switch, including: the base plate basic processor receives the fall detection alarm, the status of the crowd gathering alarm, and the alarm information sent by the intelligent computing board processor Atlas200, and saves the information, and combines the current environment, access control information and alarm information into a cabin status message and sends it to the central computer through Ethernet (first through the gigabit network switch and then through the upper-level switch).

[0044] Specifically, the baseboard 5 communicates with the intelligent computing board 6 through a gigabit network switch; the intelligent computing board 6 communicates with the network camera through a gigabit network switch, and the intelligent computing board 6 can also communicate with the central computer through a gigabit network switch and an upper switch.

[0045] The system box body is provided with two external Gigabit Ethernet interfaces on the left side of the front wall; a power switch is provided on the upper right side of the front wall; a power socket is provided below the power switch; a system status indicator light is provided on the left side of the power socket; and a multi-way wiring terminal 1 is provided in the middle of the front wall.

[0046] Specifically, the power switch is a switch with an LED indicator and a model number of GQB16.

[0047] The system multi-way terminal 1 comprises a socket and a plug; the socket adopts a bent pin socket with parameter KF2EDGRH; the plug adopts a pluggable plug with parameter KF2EDGKA.

[0048] Specifically, the terminal adopts a pluggable terminal with a terminal spacing of 3.5mm or 3.81mm.

[0049] The multi-way terminal block 1 includes 2 RS485 terminals, 1 CAN terminal, 1 Powerbus terminal, PWM terminal, data input terminal, and data output terminal.

[0050] Specifically, the base plate 5 includes a Powerbus interface chip PB620; the base plate 5 is connected to an external fire alarm through the Powerbus interface of the wiring terminal 1. The PWM pulse of the base plate 5 is sent to the external LED lamp through the PWM terminal. The system provides 3 PWM outputs for controlling the brightness of the 3 LED lamps.

[0051] The Powerbus is the master node, which can realize bus power supply with a power supply voltage of 24 V. At this time, it is necessary to ensure that the external power supply voltage of the edge computing system is 24 VDC.

[0052] The Powerbus interface is isolated from the baseboard processor by a digital isolator, and the PB620 is used as the main chip to realize the power supply and communication functions of the Powerbus slave device.

[0053] The power socket is connected to an external 24V power supply and internally connected to the power supply of the bottom plate 5, on which a power input protection circuit is provided, such as Figure 2 As shown, the power input protection circuit includes a three-pole gas discharge tube, a varistor, and a bidirectional TVS tube connected in parallel; the three-pole gas discharge tube, the varistor, and the bidirectional TVS tube are connected in parallel between the positive and negative poles of the external power input terminal.

[0054] The power input protection circuit also includes a resettable fuse, a P-channel field effect transistor, a resistor R1, a resistor R2, and an anti-reverse connection capacitor; one end of the resettable fuse is connected to the positive electrode of the power supply, and the other end is connected to the drain of the P-channel field effect transistor; the source of the P-channel field effect transistor is connected to the positive electrode of the input power supply in the bottom plate 5; the gate of the P-channel field effect transistor is connected to the negative electrode of the power supply through R1; the gate of the P-channel field effect transistor is connected to the positive electrode of the input power supply in the bottom plate 5 through R2; the anti-reverse connection capacitor is connected in parallel between the positive and negative electrodes of the input power supply in the bottom plate 5.

[0055] Specifically, the power input is 24VDC. In order to avoid the impact of abnormal power supply on the system and ensure that the abnormal power supply will not cause damage to the system, the following measures are taken in the circuit design: adding a three-pole gas discharge tube G3 to provide a certain degree of lightning protection; adding a varistor to provide greater surge and lightning protection; adding a bipolar TVS diode T1 to provide fast transient pulse protection; adding a reverse polarity protection capacitor C10 to increase power reverse polarity protection measures to avoid damage to related circuits when the external power supply is reversed; adding a self-recovery fuse F1 to provide long-term overload protection.

[0056] The base plate 5 includes a Wiegand processor; the Wiegand processor provides 4 Wiegand channels and 1 RS485 channel, and the data input terminal and the data output terminal of the wiring terminal 1 are connected to the access control card reader.

[0057] Specifically, the interface board also includes 4-way Wiegand data interfaces, which are connected to the access control reader externally and the Wiegand processor of the access control board internally; the Wiegand processor is used to convert the Wiegand data of the access control reader into UART serial data and transmit it to the base processor of the base board. The 4-way Wiegand data interface of the interface board is used to receive the card reading information of 4 card readers in 2 doors.

[0058] Compared with the prior art, the box body and upper cover 2 of the system provided in this embodiment are made of aluminum alloy profiles, a heat sink 3 is provided at the bottom of the box body to contact the power module with more heat dissipation, and a thermal grease layer or a thermal pad is pasted at the bottom of the box body to contact the high-power intelligent computing processor Atlas200 to improve the heat dissipation efficiency; a circuit board mounting boss is provided on the inner wall of the box body, and a copper foil edging with a width of 4mm is designed around the circuit board, which is closely combined with the circuit board mounting boss on the box body, and a heat dissipation fin 4 is provided under the boss to accelerate heat dissipation. This embodiment provides a distributed infrastructure IoT control system for square cabin hospitals designed and developed based on the application scenario of square cabin hospitals, as the information collection and control node of each cabin of the square cabin hospital intelligent management and control system. This system is a distributed open platform with core capabilities such as storage and application at the network edge side of the square cabin hospital data source, which can provide edge intelligent services nearby, obtain information through various serial ports and network ports to connect to the sensors of the terminal, and perform real-time control; it meets the key needs of square cabin hospital digitalization in terms of agile connection, real-time business, data optimization, application intelligence, security and privacy protection. The system provided in this embodiment includes cabin environment monitoring, access control, lighting control, and visual-based cabin personnel behavior recognition, cabin personnel, and equipment interaction. The system provided in this embodiment supports direct connection of network cameras via Ethernet, allowing other video acquisition and display devices to obtain video information from cameras connected to the edge computing system through the upper switch; supports the judgment, alarm, and monitoring of the status and behavior of personnel in a specific area; supports remote communication to the command or monitoring center, and the baseboard basic processor GD32F470VGT7 and the intelligent computing board processor Atlas200 used are both domestic embedded chips; supports distributed computing of domestic operating systems; can be used as a cabin central control device to interact with other independently running devices such as medical equipment and human-computer interaction equipment with data interaction interfaces in the room, and as a remote control node to realize remote monitoring of the cabin by the central control room (including regional scene control). The shell provided in this embodiment adopts an aluminum milling structure design, which is waterproof, dustproof, and resistant to electromagnetic radiation.

[0059] Those skilled in the art can understand that the programs / software involved in the edge computing system in the above-mentioned embodiments are common methods in the prior art, and the present utility model does not involve any software improvements. The present utility model only requires that each device with corresponding functions be connected through the connection relationship given in the embodiment of the present utility model, which does not involve any program software improvements. As for the connection method between the hardware devices of each corresponding function, it can be implemented by those skilled in the art using the prior art, and will not be described in detail here.

[0060] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed in the present invention should be included in the protection scope of the present invention.

Claims

1. An edge computing system, characterized in that: The system includes a box body, an upper cover, and an edge computing device, and the edge computing device is arranged in the space formed by the box body and the upper cover; the edge computing device includes an intelligent computing board, a base plate, and multiple wiring terminals; multiple studs are arranged at the bottom of the box body, and the intelligent computing board is fixedly installed on the studs; the bottom of the intelligent board contacts the bottom of the box body; metal bosses are arranged on the left and right sides of the inner wall of the box body; the distance between the metal boss and the bottom of the box is higher than the height of the studs at the bottom of the box body; the base plate is fixed on the metal boss; a heat sink is also arranged at the bottom of the box body; a power module is arranged on the base plate, and the power module contacts the heat sink; multiple holes are arranged on the front wall of the box body, and the multi-way wiring terminals pass through the front wall through the holes and are electrically connected to the base plate; the upper cover is fixed to the box body.

2. The edge computing system according to claim 1, characterized in that: The box body and upper cover are made of aluminum alloy profiles; a thermal grease layer or a thermal pad is pasted on the bottom of the box body; the outer surface of the box body is made of aluminum milling structure, and heat dissipation fins are set except the front wall of the box body.

3. The edge computing system according to claim 2, characterized in that: The intelligent computing board is provided with an intelligent computing processor Atlas200, and the intelligent computing processor Atlas200 is in contact with a thermal conductive silicone grease layer or a thermal conductive pad pasted on the bottom of the box body.

4. The edge computing system according to claim 1, characterized in that: The system also includes a gigabit network switch; the gigabit network switch is arranged inside the box; the gigabit network switch includes 5 network ports, including 2 network ports connected to the intelligent computing board internally, 1 network port connected to the baseboard, and 2 network ports connected to external devices externally; The 2 network ports for connecting external devices are connected to the network camera and the upper switch respectively.

5. The edge computing system according to claim 2, characterized in that: The system box body is provided with two external Gigabit Ethernet interfaces on the left side of the front wall; a power switch is provided on the upper right side of the front wall; a power socket is provided below the power switch; a system status indicator light is provided on the left side of the power socket; and a multi-way wiring terminal is provided in the middle of the front wall.

6. The edge computing system according to claim 5, characterized in that: The system multi-way wiring terminal comprises a socket and a plug; the socket adopts a bent pin socket with parameter KF2EDGRH; the plug adopts a pluggable plug with parameter KF2EDGKA.

7. The edge computing system according to claim 6, characterized in that: The multi-way terminal block includes 2 RS485 terminals, 1 CAN terminal, 1 Powerbus terminal, PWM terminal, data input terminal, and data output terminal.

8. The edge computing system according to claim 5, characterized in that: The power socket is connected to an external 24V power supply and is internally connected to a power base plate, on which a power input protection circuit is arranged. The power input protection circuit comprises a three-pole gas discharge tube, a varistor, and a bidirectional TVS tube connected in parallel; the three-pole gas discharge tube, the varistor, and the bidirectional TVS tube are connected in parallel between the positive and negative poles of the power supply at the external power input end.

9. The edge computing system according to claim 8, characterized in that: The power input protection circuit also includes a resettable fuse, a P-channel field effect transistor, a resistor R1, a resistor R2, and an anti-reverse connection capacitor; one end of the resettable fuse is connected to the positive electrode of the power supply, and the other end is connected to the drain of the P-channel field effect transistor; the source of the P-channel field effect transistor is connected to the positive electrode of the input power supply inside the bottom plate; the gate of the P-channel field effect transistor is connected to the negative electrode of the power supply through R1; the gate of the P-channel field effect transistor is connected to the positive electrode of the input power supply inside the bottom plate through R2; and the anti-reverse connection capacitor is connected in parallel between the positive and negative electrodes of the input power supply inside the bottom plate.

10. The edge computing system according to claim 7, characterized in that: The base plate includes a Wiegand processor; the Wiegand processor provides 4 Wiegand channels and 1 RS485 channel, and the data input terminals and data output terminals of the wiring terminal are connected to the access control card reader.

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