CN218181514U

CN218181514U - Motion control card and industrial personal computer based on PCIE bus

Info

Publication number: CN218181514U
Application number: CN202220911733.0U
Authority: CN
Inventors: 赵向前
Original assignee: Shenzhen Hengyu Control Technology Co ltd
Current assignee: Shenzhen Hengyu Control Technology Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-12-30
Anticipated expiration: 2032-04-19

Abstract

The utility model discloses a motion control board and industrial computer based on PCIE bus. The motion control card based on the PCIE bus comprises a conversion chip and an FPGA module. And a PCIE interface of the conversion chip is connected with a host of the industrial personal computer, and a PCI interface of the conversion chip is connected with a PCI interface of the FPGA module. And a PCIE interface of the conversion chip is accessed into a PCIE signal, converted into a PCI signal and output to the FPGA module. The FPGA module is expanded into the PCIE interface through the PCI interface, so that the compatibility of the motion control card is improved, and the cost of the motion control card for realizing the PCIE communication is reduced.

Description

Motion control card and industrial personal computer based on PCIE bus

Technical Field

The utility model relates to a control technical field, in particular to motion control card and industrial computer based on PCIE bus.

Background

The motion control card is an upper control unit based on an industrial personal computer and used for each motion control occasion. With the continuous upgrade of computer motherboards and processors, most motherboards only have PCIE (Peripheral Component Interconnect express) slots, for example, all motherboards above a compatible I9 processor do not have PCI (Peripheral Component Interconnect) slots.

However, the existing motion control card is based on the PCI bus, so that the updated motherboard based on the PCIE bus cannot be compatible.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a motion control board based on PCIE bus aims at solving the unable and compatible problem of mainboard after upgrading of motion control board based on PCI bus.

In order to achieve the above object, the utility model provides a motion control card based on PCIE bus, motion control card based on PCIE bus includes:

an electric control board;

the conversion chip is arranged on the electric control board and provided with a PCIE interface and a PCI interface, the PCIE interface is used for accessing PCIE signals, and the conversion chip is used for realizing data protocol conversion between the PCIE signals and the PCI signals;

the FPGA module is arranged on the electric control board and provided with a PCI interface, the PCI interface of the FPGA module is connected with the PCI interface of the conversion chip, and the FPGA module is used for receiving the PCI signal and analyzing the received PCI signal.

In an embodiment, a first USB interface is disposed on the electronic control board, the first USB interface is connected to the conversion chip, and the first USB interface is used for accessing the PCIE signal.

In an embodiment, the PCIE bus-based motion control card further includes a riser card; the adapter card includes:

the golden finger is used for accessing the PCIE signals and outputting the PCIE signals;

the second USB interface is connected with the golden finger and is connected with the first USB interface through a USB cable; the second USB interface is used for accessing the PCIE signals converted according to a certain line sequence and outputting the PCIE signals to the first USB interface through a USB cable.

In an embodiment, the gold finger is a PCIE type gold finger or a mini PCIE type gold finger.

In one embodiment, the riser card further comprises:

the first power interface is used for connecting a power supply to the second USB interface so as to increase the driving capability of the second USB interface.

In one embodiment, the electric control board is further provided with a main controller, and the main controller is connected with the FPGA module through a GPMC 16-bit parallel bus.

In one embodiment, the motion control card further comprises:

and the motor control interface is connected with the FPGA module and is used for outputting a control signal to an external motor.

In one embodiment, the motion control card further comprises:

and the standby input and output interface is connected with the FPGA module and is used for carrying out signal exchange between the FPGA module and external equipment.

The utility model discloses still provide an industrial computer, the industrial computer includes industrial computer host computer and foretell motion control card based on the PCIE bus, motion control card based on the PCIE bus with the industrial computer host computer is connected.

In an embodiment, the industrial control machine host has a PCIE/mini PCIE interface, and the PCIE/mini PCIE interface is connected to a gold finger of the adapter card of the motion control card based on the PCIE bus.

The utility model discloses technical scheme expands into the PCIE interface with the PCI interface of FPGA module through the conversion chip, realizes the PCIE communication for motion control card can be compatible takes the industrial computer host computer of PCIE interface, also can be compatible takes the industrial computer host computer of PCIE interface for the FPGA module of also taking the PCI interface, and because the FPGA module price of taking the PCI interface is far less than the FPGA module of taking the PCIE interface, thereby can reduce the use cost of FPGA module. Specifically, a PCIE interface of the conversion chip accesses a PCIE signal from an industrial personal computer host, converts the PCIE signal into a PCI signal and outputs the PCI signal to the FPGA module through the PCI interface; the FPGA module carries out data processing on the accessed PCI signals and outputs the data to the main controller, so that PCIE communication between the motion control card and the industrial personal computer host is realized, and the production efficiency of small equipment can be improved due to the fact that the PCIE communication has the characteristics of high speed, high real-time performance and the like.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is an overall block diagram of an embodiment of a motion control card based on a PCIE bus according to the present invention;

fig. 2 is a structural diagram of another embodiment of the motion control card based on PCIE bus of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Switching card	23	Main controller
11	Golden finger	30	USB cable
				20	Electric control board	31	First USB interface
21	Conversion chip	32	Second USB interface
				22	FPGA module	12	First power interface
221	Motor control interface	24	Second power interface
				222	Spare input/output interface

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a motion control card based on PCIE bus. The motion control card based on the PCIE bus can be used for electronic equipment, and an industrial personal computer is taken as an example. The switching card 10 accesses a PCIE signal from an industrial personal computer host and switches the PCIE signal; after receiving the PCIE signal, the PCIE interface of the conversion chip 21 converts the PCIE signal into a PCI signal, and outputs the PCI signal from the PCI interface of the conversion chip 21; after the PCI interface of the FPGA module 22 accesses the PCI signal, the FPGA module 22 performs data processing on the PCI signal to improve the compatibility of the motion control card, thereby implementing PCIE communication.

Referring to fig. 1, in an embodiment of the present invention, the motion control card based on the PCIE bus includes: the electronic control board 20 is further provided with a second power interface 24, and a 24V power supply is connected to the electronic control board 20 to supply power to the power utilization module on the electronic control board 20; the FPGA module 22 is arranged on the electric control board 20, the FPGA module 22 is provided with a PCI interface, the PCI interface of the FPGA module 22 is connected with the PCI interface of the conversion chip 21, and the FPGA module 22 is used for analyzing the received PCI signals. The conversion chip 21 is arranged on the electronic control board 20, the conversion chip 21 has a PCIE interface and a PCI interface, the PCIE interface is used to access a PCIE signal, specifically, the access of the PCIE signal can be realized by arranging a gold finger or other signal transmission interfaces, such as a USB interface, on the electronic control board, and the conversion chip 21 is used to realize data protocol conversion between the PCIE signal and the PCI signal; in addition, a main controller 23 may be further disposed on the motion control card.

The FPGA module 22 may be an FPGA module 22 having a PCI interface, so that the cost is greatly reduced compared with the FPGA module 22 having a PCIE interface. The FPGA module 22 performs data analysis on the PCI signal through the PCI IP core, writes the analyzed data into the dual port random access memory, and concatenates the flag bits to notify the main controller 23 to perform operations such as reading and processing on the data, thereby completing the data processing on the PCI signal by the FPGA module 22.

The conversion chip 21 may be any type of chip that can realize the interconversion between the PCIE signal and the PCI signal. The PCI interface of the conversion chip 21 can be connected to the PCI interface of the FPGA module 22, and the PCIE interface of the conversion chip 21 can be connected to a motherboard on the host computer of the industrial personal computer, that is, a motherboard with PCIE slots. By setting the conversion chip 21, the PCI interface of the FPGA module 22 is expanded to a PCIE interface, so that the motion control card based on the PCI bus can be expanded to a motion control card based on a PCIE bus, and the device is compatible with a new motherboard with PCIE slots.

The utility model discloses technical scheme expands into the PCIE interface with FPGA module 22's PCI interface through conversion chip 21, realizes the PCIE communication, make motion control card can be compatible take the industrial computer host computer of PCIE interface, also the FPGA module 22 that also takes the PCI interface can be compatible take the industrial computer host computer of PCIE interface, and because the FPGA module 22 price of taking the PCI interface is far less than the FPGA module 22 of taking the PCIE interface, thereby can reduce FPGA module 22's use cost. Specifically, the PCIE interface of the conversion chip 21 accesses a PCIE signal from the industrial personal computer host, and outputs the PCIE signal to the FPGA module 22 through the PCI interface after converting the PCIE signal into a PCI signal; the FPGA module 22 performs data processing on the accessed PCI signal and outputs the processed PCI signal to the main controller 23, so that PCIE communication between the motion control card and the industrial personal computer host is realized, and since the PCIE communication has the characteristics of high speed, high real-time performance, and the like, the production efficiency of the small device can be improved.

Referring to fig. 2, in an embodiment, a first USB interface 31 is disposed on the electronic control board 20, the first USB interface 31 is connected to the conversion chip 21, and the first USB interface 31 is used to access the PCIE signal.

In this embodiment, the first USB interface 31 may output the PCIE signals converted from the PCIE signals according to a certain line sequence to the PCIE interface of the conversion chip 21.

In practical applications, the host of the industrial personal computer may be provided with a corresponding USB interface to directly adapt to the motion control card having the first USB interface 31, or may be a converter that converts USB to PCIE golden finger 11 to implement connection between the host of the industrial personal computer and the motion control card. In other embodiments, the electronic control board 20 may be provided with a PCIE gold finger 11 directly plugged into a PCIE slot on the industrial personal computer host.

Referring to fig. 2, in an embodiment, the PCIE bus-based motion control card further includes an adapter card 10; the riser card 10 includes:

the golden finger 11 is used for accessing the PCIE signal and outputting the PCIE signal; a second USB interface 32 connected to the gold finger 11 and connected to the first USB interface 31 via a USB cable 30; the second USB interface 32 is configured to access the PCIE signals converted according to a certain line sequence, and output the PCIE signals to the first USB interface 31 through the USB cable 30.

The gold finger 11 is a PCIE type gold finger 11 or a mini PCIE type gold finger 11. Correspondingly, a PCIE slot or a mini PCIE slot into which the gold finger 11 is inserted is provided on the industrial personal computer host, so that a PCIE signal is output to the adapter card 10 through the slot, and the adapter card 10 outputs the PCIE signal to the first USB interface 31 on the electronic control board 20 through the USB cable 30, thereby implementing PCIE signal transmission. In this process, the adapter card 10 only completes the switching of the PCIE signal, and does not perform any processing on the data.

It should be noted that, only the USB interface and the gold finger 11 are disposed on the adaptor card 10, and compared with the electronic control board 20, the volume is very small. In practical application, the adaptor card 10 with a small volume can be inserted into a small industrial personal computer host, and then output to the first USB interface 31 on the electronic control board 20 through the USB cable 30 with a certain length. That is, the adapter card 10 is disposed in the small industrial personal computer host, and the electronic control board 20 with a large size can be selectively hung outside the small industrial personal computer host, so that the motion control card of the embodiment can be applied to the small industrial personal computer with a small size. The first USB interface 31 and the second USB interface 32 may both be USB3.0 interfaces. Correspondingly, one is a male USB head, and the other is a female USB head.

Further, the adaptor card 10 further includes a first power interface 12, where the first power interface 12 is used for connecting a computer power to the second USB interface 32, so as to increase the driving capability of the second USB interface 32.

In the embodiment, a 12V power supply is introduced from the computer port through the first power interface 12 to provide a power supply for the second USB interface 32 on the adapter card 10, so as to improve the driving capability of the second USB interface 32 and improve the anti-interference performance.

Referring to fig. 2, in an embodiment, a main controller 23 is further disposed on the electronic control board 20, and the main controller 23 is connected to the FPGA module 22 through a GPMC 16-bit parallel bus.

The main controller 23 may be an ARM family of processors, but may also be other types of controllers, such as a DSP. The main controller 23 is used to calculate a high-end motion control algorithm such as interpolation and speed planning.

The FPGA module 22 parses the received PCI signal, writes the PCI signal into the dual port random access memory, and concatenates the flag bits to notify the main controller 23 to read and process the data. The main controller 23 reads and processes the data of the dual-port random access memory, then writes the data into the dual-port random access memory again, sets corresponding flag bits to inform the industrial personal computer host of reading, and the industrial personal computer host reads the data through the conversion chip 21 and the FPGA module 22 to complete data interaction between the main controller 23 and the industrial personal computer host.

Referring to fig. 2, in an embodiment, the motion control card further includes a motor control interface 221, where the motor control interface 221 is connected to the FPGA module 22, and the motor control interface 221 is configured to output a control signal to an external motor.

The motor control interface 221 includes a pulse interface for controlling the motor, an encoder counting interface, and the like. The motor control interface 221 is connected to the pins of the FPGA module 22, and provides high-speed and high-precision motor control by using the hardware real-time performance of the FPGA module 22.

Referring to fig. 2, in an embodiment, the motion control card further includes a standby input/output interface 222, where the standby input/output interface 222 is connected to the FPGA module 22, and the standby input/output interface 222 is used for the FPGA module 22 to exchange signals with an external device.

In this embodiment, the spare input/output interface 222 is connected to the FPGA module 22, and the FPGA module 22 is used to expand more input/output ports, so as to facilitate filtering of the input signal. In addition, the output port can also be multiplexed with multiple functions, such as PWM output function, input counting function, etc., by using the FPGA module 22.

Referring to fig. 1, the present invention further provides an industrial personal computer, which includes an industrial personal computer host and the motion control card based on the PCIE bus; the specific structure of the motion control card based on the PCIE bus refers to the foregoing embodiments, and the industrial personal computer adopts all technical solutions of all the foregoing embodiments, so that all beneficial effects brought by the technical solutions of the foregoing embodiments are at least achieved, and details are not repeated here.

The industrial personal computer is connected with the motion control card based on the PCIE bus, and the PCIE signal is output to the motion control card based on the PCIE bus from the industrial personal computer so as to realize the communication of the PCIE signal.

In an embodiment, the industrial personal computer host has a PCIE/mini PCIE interface, and the PCIE/mini PCIE interface is connected to the gold finger 11 of the adapter card 10 of the motion control card based on the PCIE bus, so as to implement PCIE communication between the industrial personal computer host and the motion control card.

Specifically, the PCIE/mini PCIE interface of the industrial personal computer host may be a gold finger slot, and is connected to the PCIE interface of the conversion chip 21 on the electronic control board 20 through the adapter card 10, the second USB interface 32, and the first USB interface 31; or directly connected to the gold finger 11 on the electronic control board 20, and the gold finger 11 on the electronic control board 11 is connected to the PCIE interface of the conversion chip.

The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. A PCIE bus-based motion control card is characterized in that the PCIE bus-based motion control card comprises:

an electric control board;

the conversion chip is arranged on the electric control board and is provided with a PCIE interface and a PCI interface, the PCIE interface is used for accessing a PCIE signal, and the conversion chip is used for realizing data protocol conversion between the PCIE signal and the PCI signal;

2. The PCIE bus based motion control card of claim 1,

the electronic control board is provided with a first USB interface, the first USB interface is connected with the conversion chip, and the first USB interface is used for accessing the PCIE signal.

3. The PCIE bus-based motion control card of claim 2, wherein the PCIE bus-based motion control card further comprises a riser card; the adapter card includes:

4. The PCIE bus-based motion control card of claim 3, wherein the golden finger is a PCIE type golden finger or a mini PCIE type golden finger.

5. The PCIE bus-based motion control card of claim 3, wherein the riser card further comprises:

the first power interface is used for accessing a power supply to the second USB interface so as to increase the driving capability of the second USB interface.

6. The PCIE-bus-based motion control card of claim 1, wherein a main controller is further disposed on the electrical control board, and the main controller is connected to the FPGA module through a GPMC 16-bit parallel bus.

7. The PCIE bus-based motion control card of claim 1, wherein the motion control card further comprises:

8. The PCIE bus-based motion control card of claim 1, wherein the motion control card further comprises:

9. An industrial personal computer, which is characterized by comprising an industrial personal computer host and the PCIE bus-based motion control card according to any one of claims 1-8, wherein the PCIE bus-based motion control card is connected with the industrial personal computer host.

10. The industrial personal computer of claim 9, wherein the industrial personal computer host has a PCIE/mini PCIE interface, and the PCIE/mini PCIE interface is connected to a gold finger of the adapter card of the PCIE-bus-based motion control card.