CN212278333U - Video processing apparatus - Google Patents
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- CN212278333U CN212278333U CN202020428023.3U CN202020428023U CN212278333U CN 212278333 U CN212278333 U CN 212278333U CN 202020428023 U CN202020428023 U CN 202020428023U CN 212278333 U CN212278333 U CN 212278333U
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Abstract
The embodiment of the utility model discloses video processing equipment, video processing equipment for example includes: a back plate provided with a plurality of connectors; the main control card is connected with a main control connector in the plurality of connectors; a video input card connected to an input connector of the plurality of connectors; a video output card connected to an output connector of the plurality of connectors; the first power supply is connected with a main power connector in the plurality of connectors so as to supply power to the backboard, the video input card and the video output card; the second power supply is connected with the main control card to supply power to the main control card; the main control card is also connected with a power control switch of the first power supply. The utility model discloses a video processing equipment can avoid current video processing equipment to use a power can only close video input card and video output card and the backplate has the circumstances of electricity when soft shutdown, avoids arousing the unusual and backplate work unusual circumstances of procedure, improves system stability.
Description
Technical Field
The utility model relates to a show technical field, especially relate to a video processing equipment.
Background
The power consumption of the card-inserting type video processing equipment is large, the system is complex, the power consumption can be reduced through a soft shutdown mode or a dormant mode and the like under the scene that the card-inserting type video processing equipment is not used temporarily, the starting speed is high when the card-inserting type video processing equipment is required to be called up, errors cannot occur, and the effect of quick starting can be achieved. The conventional card-inserting type video processing equipment uses a power supply, and a main control chip controls the power-on enabling pin of each sub card to achieve the purpose of soft shutdown, however, the power-off of the sub cards such as a video input card and a video output card can only be realized in the mode, and the cards such as a back plate and an exchange card are still powered on, so that program abnormity and card work abnormity can be caused, and the stability of the whole system is reduced.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model discloses video processing equipment to solve above-mentioned prior art not enough, realize the outage of whole daughter card and integrated circuit board, avoid procedure unusual and backplate work unusual, improve system stability.
Specifically, the embodiment of the utility model discloses video processing equipment, include: a back plate provided with a plurality of connectors; a main control card connected to a main control connector among the plurality of connectors; a video input card connected to an input connector of the plurality of connectors; a video output card connected to an output connector of the plurality of connectors; a first power supply connected to a main power connector of the plurality of connectors to supply power to the backplane, the video input card, and the video output card; the second power supply is connected with the main control card to supply power to the main control card; the main control card is also connected with a power supply control switch of the first power supply.
The conventional card-inserting type video processing equipment uses a power supply, when the software shutdown is carried out, the main control chip controls the power-on enabling pin of each sub-card to achieve the purpose of the software shutdown, only the power-off of the sub-cards such as a video input card and a video output card can be realized, and if the board cards such as a back plate and an exchange card are still electrified, the program abnormity and the board card work abnormity can be caused, so that the stability of the whole system is reduced; the embodiment of the utility model discloses a main power connector of backplate is connected to first power among the video processing equipment, for the backplate, video input card and video output card power supply, the main control card is connected to the second power, for the main control card power supply, the power control switch of main control card connection first power, thereby avoid current video processing equipment to use a power can only be to video input card and video output card outage when soft shutdown, the backplate still has the circumstances of electricity, can realize all cards except the main control card all outage, avoid unusual and backplate work anomaly of procedure, improve video processing equipment's stability, reduce video processing equipment's consumption better.
In an embodiment of the present invention, the main control card is indirectly connected to the power control switch of the first power supply through the back board; or, the main control card is directly connected with the power control switch of the first power supply.
In an embodiment of the present invention, the power control switch is a GPIO pin.
In an embodiment of the present invention, the second power source is directly connected to the main control card to supply power to the main control card; or the second power supply is connected with an auxiliary power supply connector in the plurality of connectors so as to be indirectly connected with the main control card to supply power to the main control card.
In an embodiment of the present invention, the back plate further includes a data exchange circuit and an auxiliary exchange circuit for connecting the plurality of connectors, and the first power supply supplies power to the data exchange circuit and the auxiliary exchange circuit.
In an embodiment of the present invention, the video processing apparatus further includes: a data exchange card connected to a first exchange connector of the plurality of connectors; an auxiliary switch card connected to a second switch connector of the plurality of connectors; wherein the first power supply is further connected to the data exchange card and the auxiliary exchange card via the backplane to supply power to the data exchange card and the auxiliary exchange card.
In an embodiment of the present invention, the data exchange card comprises: a first connector connected to the first switching connector; and a data exchange chip connected to the first connector; the auxiliary switch card includes: a second connector connected to the second switching connector; the first programmable logic device is connected with the second connector; the second programmable logic device is connected with the second connector and the first programmable logic device; the first microcontroller is connected with the first programmable logic device and the second programmable logic device; a first network PHY chip connected between the first programmable logic device and the second connector, and a second network PHY chip connected between the second programmable logic device and the second connector.
In an embodiment of the present invention, the main control card includes: the third connector is connected with the main control connector; the ARM processor is connected with the third connector; the third programmable logic device is connected with the ARM processor and the third connector; the memory is connected with the ARM processor and the third programmable logic device, and the third network PHY chip is connected between the third programmable logic device and the third connector.
In an embodiment of the present invention, the number of the video input cards is at least one, and each of the video input cards includes: a fourth connector connected to the input connector; the fourth programmable logic device is connected with the fourth connector; the second microcontroller is connected with the fourth programmable logic device and the fourth connector; and the video source input interface is connected with the fourth programmable logic device.
In an embodiment of the present invention, the video output card includes: at least one first video output card and/or at least one second video output card; each of the first video output cards includes: a fifth connector connected to the output connector; the fifth programmable logic device is connected with the fifth connector; a third microcontroller connected to the fifth programmable logic device and the fifth connector; the video source output interface is connected with the fifth programmable logic device; each of the second video output cards includes: a sixth connector connected to the output connector; the sixth programmable logic device is connected with the sixth connector; the seventh programmable logic device is connected with the sixth programmable logic device; the fourth microcontroller is connected with the sixth programmable logic device, the seventh programmable logic device and the sixth connector; the network PHY chip is connected with the seventh programmable logic device; the network transformer is connected with the network PHY chip; the Ethernet interface is connected with the network transformer; the optical module is connected with the seventh programmable logic device; and the optical fiber interface is connected with the optical module.
The technical scheme in the embodiment has the following advantages or beneficial effects: the situation that the conventional video processing equipment only can power off the video input card and the video output card when soft shutdown is carried out by using one power supply is avoided, and the situation that the back plate is still electrified can be avoided, so that all the cards except the main control card are powered off, the abnormal program and the abnormal work of the back plate are avoided, the stability of the video processing equipment is improved, and the power consumption of the video processing equipment is better reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a first schematic structural diagram of a video processing apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a second video processing apparatus according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a video processing apparatus according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a fourth structure of a video processing apparatus according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of a fifth structure of a video processing apparatus according to an embodiment of the present invention.
Fig. 6 is a schematic diagram of a data exchange card in the video processing apparatus shown in fig. 5.
Fig. 7 is a schematic diagram of a configuration of an auxiliary switch card in the video processing apparatus shown in fig. 5.
Fig. 8 is a schematic structural diagram of a main control card in a video processing device according to an embodiment of the present invention.
Fig. 9 is a schematic structural diagram of a video input card in a video processing apparatus according to an embodiment of the present invention.
Fig. 10 is a schematic structural diagram of a first video output card in a video processing apparatus according to an embodiment of the present invention.
Fig. 11 is a schematic structural diagram of a second video output card in the video processing apparatus according to an embodiment of the present invention.
Fig. 12 is a schematic diagram of a pin connection between the mega-gigabit PHY chip and the FPGA in the second video output card shown in fig. 11.
Fig. 13 is a schematic diagram of power control of a conventional card-insertion type video processing apparatus.
Fig. 14 is a schematic diagram of power control of a video processing apparatus according to an embodiment of the present invention.
[ brief description of the drawings ]
10: a video processing device; 11: a back plate; 111: a master control connector; 112: an input connector; 113: an output connector; 114: a main power connector; 115: an auxiliary power supply connector; 116: a first switching connector; a second switching connector; 12: a master control card; 121: a third connector; 122: an ARM processor; 123: a third programmable logic device; 124: a memory; 13: a video input card; 131: a fourth connector; 132: a fourth programmable logic device; 133: a second microcontroller; 134: a video source input interface; 14 a: a first video output card; 141 a: a fifth connector; 142 a: a fifth programmable logic device; 143 a: a third microcontroller; 144 a: a video source output interface; 14 b: a second video output card; 141 b: a sixth connector; 142 b: a sixth programmable logic device; 143 b: a seventh programmable logic device; 144 b: a fourth microcontroller; 145 b: a network PHY chip; 146 b: a network transformer; 147 b: an Ethernet interface; 148 b: an optical module; 149 b: an optical fiber interface; 17: a data exchange card; 171: a first connector; 172: a data exchange chip; 18: an auxiliary switch card; 181: a second connector; 182: a first programmable logic device; 183: a second programmable logic device; 184: a first microcontroller.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The invention will be described with reference to the accompanying drawings in conjunction with embodiments.
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiments of the present invention will be clearly and completely described below 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 shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be noted that the division of the embodiments in the present invention is only for convenience of description and should not be construed as a limitation, and features in various embodiments may be combined and referred to each other without contradiction.
Referring to fig. 1 to 4, an embodiment of the present invention discloses a video processing apparatus. As shown in fig. 1 to 4, the video processing apparatus 10 includes, for example: a backplane 11, a master control card 12, a video input card 13, a video output card 14, a first power supply 15, and a second power supply 16. The figure shows a video input card 13 and a video output card 14, but the present invention is not limited to this, the number of the video input card 13 and the video output card 14 may be multiple, and the specific number is set according to actual needs.
The backplane 11 is provided with a plurality of connectors, the main control card 12 is connected to a main control connector 111 of the plurality of connectors, the video input card 13 is connected to an input connector 112 of the plurality of connectors, the video output card 14 is connected to an output connector 113 of the plurality of connectors, the first power supply 15 is connected to a main power supply connector 114 of the plurality of connectors to supply power to the backplane 11, the video input card 13 and the video output card 14, the second power supply 16 is connected to the main control card 12 to supply power to the main control card 12, and the main control card 12 is further connected to a power control switch of the first power supply 15.
Further, as shown in fig. 1, the main control card 12 is indirectly connected to the power control switch of the first power supply 15, for example, through the backplane 11, and the second power supply 16 is connected to an auxiliary power supply connector 115 of the plurality of connectors, for example, to indirectly connect to the main control card 12 to supply power to the main control card 12. It can be understood here that the first power supply 15 and the second power supply 16 are connected to the backplane 11 in the form of daughter cards, so that the first power supply 15 supplies power to the backplane 11, the video input card 12 and the video output card 13, and the second power supply 16 supplies power to the main control card 12, and the main control card 12 controls a power control switch of the first power supply 15.
Further, as shown in fig. 2, the main control card 12 is directly connected to a power control switch of the first power supply 15, for example, and the second power supply 16 is connected to an auxiliary power supply connector 115 of the plurality of connectors, for example, to indirectly connect the main control card 12 to supply power to the main control card 12. It can be understood here that the first power supply 15 and the second power supply 16 are connected to the backplane 11 in the form of daughter cards, and the main control card 12 is directly connected to the power control switch of the first power supply 15 through a wire without passing through the backplane 11, so that the first power supply 15 supplies power to the backplane 11, the video input card 12 and the video output card 13, the second power supply 16 supplies power to the main control card 12, and the main control card 12 controls the power control switch of the first power supply 15.
Further, as shown in fig. 3, the main control card 12 is indirectly connected to the power control switch of the first power supply 15, for example, through the back panel 11, and the second power supply 16 is directly connected to the main control card 12, for example, to supply power to the main control card 12. It can be understood here that the first power supply 15 is connected to the backplane 11 in the form of a daughter card, and the second power supply 16 is directly connected to the main control card 12 without passing through the backplane 11, so that the first power supply 15 supplies power to the backplane 11, the video input card 12 and the video output card 13, the second power supply 16 supplies power to the main control card 12, and the main control card 12 controls a power control switch of the first power supply 15 through the backplane 11.
Further, as shown in fig. 4, the main control card 12 is directly connected to a power control switch of the first power supply 15, for example, and the second power supply 16 is directly connected to the main control card 12, for example, to supply power to the main control card 12. It should be understood here that the first power supply 15 is connected to the backplane 11 in the form of a daughter card, so that the first power supply 15 supplies power to the backplane 11, the video input card 12 and the video output card 13, the second power supply 16 is directly connected to the main control card 12, and the main control card 12 is directly connected to the power control switch of the first power supply 15 through a wire, that is, the connection between the main control card 12 and the second power supply 16 and the first power supply 15 does not need to pass through the backplane 11.
Specifically, the first power supply 15 and the second power supply 16 mentioned each include, for example, a power supply device and a connector to which the power supply device is connected. The power control switch is understood to be a switch enable pin, which is, for example, one GPIO pin, although the number of GPIO pins of the power control switch may be plural.
The mentioned backplane 11 for example also comprises a data exchange circuit and an auxiliary exchange circuit connecting the plurality of connectors, the first power supply 15 also powering the data exchange circuit and the auxiliary exchange circuit. The mentioned data exchange circuit includes, for example, a data exchange chip, and is mainly used for implementing image data exchange in the video processing device. The auxiliary switching circuit mentioned comprises, for example, a programmable logic device and a microcontroller connected to the programmable logic device, and is mainly used for realizing the switching of auxiliary signals such as control signals. The data exchange chip is, for example, a Crosspoint exchange chip, the programmable logic device is, for example, an FPGA, and the microcontroller is, for example, an MCU.
Of course, the aforementioned data exchange circuit and auxiliary exchange circuit may be connected to the backplane 11 in the form of daughter cards. Specifically, as shown in fig. 5, the video processing apparatus 10 further includes, for example: a data switch card 17 and an auxiliary switch card 18. Wherein the data exchange card 17 is connected to a first exchange connector 116 of the plurality of connectors, the auxiliary exchange card 18 is connected to a second exchange connector 117 of the plurality of connectors, and the first power supply 15 further connects the data exchange card 17 and the auxiliary exchange card 18 via the backplane 11 to power the data exchange card 17 and the auxiliary exchange card 18.
It should be noted here that fig. 5 is a diagram illustrating a connection relationship between the data switch card 17 and the auxiliary switch card 18 for better understanding of the present embodiment, and does not limit the connection relationship between the first power supply 15 and the main control card 12 and the connection relationship between the second power supply 16 and the main control card 12, and fig. 1 to fig. 4 may be referred to for the connection relationship between the first power supply 15 and the main control card 12 and the connection relationship between the second power supply 16 and the main control card 12.
Further, as shown in fig. 6, the data exchange card 17 includes, for example: a first connector 171 and a data exchange chip 172. The first connector 171 is connected to the first switch connector 116, and the data switch chip 172 is connected to the first connector 171.
Specifically, the first connector 171 includes, for example, a SerDes pin, and the data exchange chip 172 is connected to the SerDes pin of the first connector 171, whereby image data transmission is more efficient. The data exchange chip 172 is referred to as a Crosspoint exchange chip, for example. The first connector 171 is, for example, a pin header connector, and the mentioned pin header connector is, for example, a simple pin header connector, which is simply called "simple pin" connector and consists of a square plastic socket and a plurality of regularly arranged square pins, and the first switching connector 116 is, for example, a female pin header connector, but of course, the first connector 171 and the first switching connector 116 may also be other types of connectors, etc.
As shown in fig. 7, the auxiliary switch card 18 includes, for example: a second connector 181, a first programmable logic device 182, a second programmable logic device 183, and a first microcontroller 184. Wherein the second connector 181 is connected to the second switch connector 117, the first programmable logic device 182 is connected to the second connector 181, the second programmable logic device 183 is connected to the second connector 181 and the first programmable logic device 182, and the first microcontroller 184 is connected to the first programmable logic device 182 and the second programmable logic device 183. In addition, the auxiliary switch card 18 further includes, for example, a first network PHY chip connected between the first programmable logic device 182 and the second connector 181, and a second network PHY chip connected between the second programmable logic device 183 and the second connector 181.
Specifically, the second connector 181 includes, for example: SPI pin, I2C pin, hundred mega net pin, clock pin, etc., wherein first programmable logic device 182 and second programmable logic device 183 are each connected to SPI pin, I2C pin, hundred mega net pin, and clock pin of second connector 181. The auxiliary switch card 18 realizes the exchange of auxiliary signals such as control signals through the first programmable logic device 182 or the second programmable logic device 183, wherein the working principle of the first programmable logic device 182 is completely the same as that of the second programmable logic device 183, the first programmable logic device 182 is connected with the second programmable logic device 183 to realize data copying, the first programmable logic device 182 for example correspondingly exchanges the auxiliary signals of the video input card, and the second programmable logic device 183 for example correspondingly exchanges the auxiliary signals of the video output card.
The second connector 181 is, for example, a pin header connector, the pin header connector is, for example, a simple pin header connector, which is simply called a "simple pin" connector and is composed of a square plastic socket and a plurality of regularly arranged square pins, the second exchange connector 117 is, for example, a female pin header connector, and is matched with the pin header connector, and of course, the second connector 181 and the second exchange connector 117 may also be other types of connectors and the like. The first Programmable logic device 182 and the second Programmable logic device 183 are, for example, an FPGA (Field-Programmable Gate Array) or other similar logic devices. For example, the model number of the FPGA is 410TFFG900, for example. The first Microcontroller 184 is, for example, an MCU (Microcontroller Unit), also called a Single Chip Microcomputer (Single Chip Microcomputer) or a Single Chip Microcomputer; or other microprocessors with certain data processing and computing capabilities, such as ARM processors and DSP processors, for example, of the type STM32F 207. The first and second network PHY chips mentioned are, for example, gigabit network PHY chips or hundred megabyte network PHY chips.
Further, as shown in fig. 8, the main control card 12 includes, for example: a third connector 121, an ARM processor 122, a third programmable logic device 123, and a memory 124. The third connector 121 is connected to the main control connector 111, the ARM processor 122 is connected to the third connector 121, the third programmable logic device 123 is connected to the ARM processor 122 and the third connector 121, and the memory 124 is connected to the ARM processor 122 and the third programmable logic device 123. In addition, the main control card 12 further includes, for example, a third network PHY chip connected between the third programmable logic device 123 and the third connector 121.
Specifically, the third connector 121 includes, for example: SPI pin, I2C pin, and SerDes pin, wherein third programmable logic device 123 is connected to the SerDes pin of third connector 121, primarily for transmitting image data. The ARM processor 122 is connected to the SPI pin and the I2C pin of the third connector 121, and is mainly used for transmitting control signals.
The third connector 121 is, for example, a pin header connector, the mentioned pin header connector is, for example, a simple pin header connector, which is abbreviated as "simple pin" connector and is composed of a square plastic socket and a plurality of regularly arranged square pins, the main control connector 111 is, for example, a pin header connector, and of course, the third connector 121 and the main control connector 111 may also be other types of connectors. The ARM processor 122 is, for example, an ARM11 system processor, such as an ARM processor model of ARM1176 JZ-S. The third Programmable logic device 123 is, for example, an FPGA (Field-Programmable Gate Array) or other similar logic device. For example, the model number of the FPGA is 410TFFG900, for example. The memory 124 is, for example, a DDR memory. The third network PHY chip mentioned is for example a gigabit network PHY chip or a hundred mega network PHY chip.
The auxiliary switch card 18 is provided with a first network PHY chip and a second network PHY chip, and the main control card 12 is provided with a third network PHY chip, so that communication of gigabit network signals or hundred-megabyte network signals between the auxiliary switch card 18 and the main control card 12 can be realized.
Further, as shown in fig. 9, there is at least one video input card 13, and each video input card 13 includes, for example: a fourth connector 131, a fourth programmable logic device 132, a second microcontroller 133, and a video source input interface 134. The fourth connector 131 is connected to the input connector 112, the fourth programmable logic device 132 is connected to the fourth connector 131, the second microcontroller 133 is connected to the fourth programmable logic device 132 and the fourth connector 131, and the video source input interface 134 is connected to the fourth programmable logic device 132.
The fourth connector 131 is, for example, a pin header connector, the mentioned pin header connector is, for example, a simple pin header connector, which is abbreviated as "simple pin" connector and is composed of a square plastic socket and a plurality of regularly arranged square pins, the input connector 112 is, for example, a female pin header connector, and of course, the fourth connector 131 and the input connector 112 may also be other types of connectors and the like. The fourth Programmable logic device 132 is, for example, an FPGA (Field-Programmable Gate Array) or other similar logic device. For example, the model number of the FPGA is 410TFFG900, for example. The second Microcontroller 133 is, for example, an MCU (Microcontroller Unit), which is also called a Single Chip Microcomputer (Single Chip Microcomputer) or a Single Chip Microcomputer; or other microprocessors with certain data processing and computing capabilities, such as ARM processors and DSP processors, for example, of the type STM32F 207. The video source input interface 134 is, for example, any one or any combination of an HDMI interface, a DVI interface, an SDI interface, and a DP interface. The video input card 13 is mainly used for inputting a received video source to the back panel.
Further, the video output card 14 includes, for example: at least one first video output card 14a and/or at least one second video output card 14 b.
As shown in fig. 10, each of the first video output cards 14a includes, for example: a fifth connector 141a, a fifth programmable logic device 142a, a third microcontroller 143a and a video source output interface 144 a. The fifth connector 141a is connected to the output connector 113, the fifth programmable logic device 142a is connected to the fifth connector 141a, the third microcontroller 143a is connected to the fifth programmable logic device 142a and the fifth connector 141a, and the video source output interface 144a is connected to the fifth programmable logic device 142 a.
Specifically, the fifth connector 141a is, for example, a pin header connector, the mentioned pin header connector is, for example, a simple pin header connector, which is abbreviated as "simple pin" connector and is composed of a square plastic socket and a plurality of regularly arranged square pins, the output connector 113 is, for example, a female pin header connector, and of course, the fifth connector 141a and the output connector 113 may also be other types of connectors and the like. The fifth Programmable logic device 142b is, for example, an FPGA (Field-Programmable Gate Array) or other similar logic device. For example, the model number of the FPGA is 410TFFG900, for example. The third Microcontroller 143a is, for example, an MCU (Microcontroller Unit), also called a Single Chip Microcomputer (Single Chip Microcomputer) or a Single Chip Microcomputer; or other microprocessors with certain data processing and computing capabilities, such as ARM processors and DSP processors, for example, of the type STM32F 207. The video source output interface 144a is, for example, any one or any combination of an HDMI interface, a DVI interface, an SDI interface, and a DP interface.
As shown in fig. 11, each of the second video output cards 14b includes, for example: sixth connector 141b, sixth programmable logic device 142b, seventh programmable logic device 143b, fourth microcontroller 144b, network PHY chip 145b, network transformer 146b, ethernet interface 147b, optical module 148b, and fiber interface 149 b.
The sixth connector 141b is connected to the output connector 113, the sixth programmable logic device 142b is connected to the sixth connector 141b, the seventh programmable logic device 143b is connected to the sixth programmable logic device 142b, the fourth microcontroller 144b is connected to the sixth programmable logic device 142b, the seventh programmable logic device 143b and the sixth connector 141b, the network PHY chip 145b is connected to the seventh programmable logic device 143b, the network transformer 146b is connected to the network PHY chip 145b, the ethernet interface 147b is connected to the network transformer 146b, the optical module 148b is connected to the seventh programmable logic device 143b, and the optical fiber interface 149b is connected to the optical module 148 b.
Specifically, the sixth connector 141b is, for example, a pin header connector, where the pin header connector is, for example, a simple pin header connector, which is abbreviated as "simple pin" connector and is composed of a square plastic socket and a plurality of regularly arranged square pins, and the output connector 113 is, for example, a female pin header connector, and of course, the sixth connector 141b and the output connector 113 may also be other types of connectors and the like. The sixth Programmable logic device 142b and the seventh Programmable logic device 143b are, for example, FPGAs (Field-Programmable Gate arrays) or other similar logic devices. For example, the model number of the FPGA is 410TFFG900, for example. The fourth Microcontroller 144b is, for example, an MCU (Microcontroller Unit), also called a Single Chip Microcomputer (Single Chip Microcomputer) or a Single Chip Microcomputer; or other microprocessors with certain data processing and computing capabilities, such as ARM processors and DSP processors, for example, of the type STM32F 207. The network PHY chip 145b is, for example, a hundred mega network PHY chip model is, for example, LAN8720 or LAN8211, where the pin connection relationship between LAN8211 and the seventh programmable logic device 143b, for example, FPGA, can be seen in fig. 12. Ethernet interface 147b is, for example, a hundred megabyte or gigabit port, such as an RJ45 port. The optical module 148b is, for example, an SFP optical module. The fiber interface 149b is, for example, a 10G fiber interface, a 20G fiber interface, or a 40G fiber interface.
Specifically, it should be noted that the first video output card 14a and the second video output card 14b are different in that the first video output card 14a can be connected to the LCD display through the video source output interface 144a, and if the first video output card 14a wants to connect to the LED display, an external connection transmitting card is required to connect to the LED display; and the second video output card 14b can be directly connected to the LED display screen via the ethernet interface 147b, or connected to the photoelectric conversion device via the optical fiber interface 149b to be connected to the LED display screen, so as to avoid external connection of the transmitting card. The mentioned LED display screen includes, for example, a display control card and an LED display screen body connected to the display control card, where the display control card is also called as a receiving card or a scanning card in the LED display screen control system, and includes: the LED display screen comprises a network interface, a programmable logic device connected with the network interface, a microcontroller connected with the programmable logic device, a memory and the like, wherein the network interface is RJ45, the memory is volatile memory SDRAM, the programmable logic device is FPGA, the microcontroller is MCU, the LED display screen body is formed by splicing a plurality of LED modules, each LED module is provided with a display control card, and a single LED module comprises an LED lamp panel (or LED unit panel) or a plurality of LED lamp panels spliced together.
It should be noted that the aforementioned back panel 11, main control card 12, video input card 13, video output card 14, first power supply 15, second power supply 16, data exchange card 17 and auxiliary exchange card 18 are located in the same housing, for example, that is, the video processing device 10 is an integral device. The video processing device 10 disclosed in the present embodiment is, for example, a card-insertion type device having a video processing function, such as a video processor, a video splicer, or the like.
For better understanding of the present embodiment, power control of the video processing apparatus disclosed in the present embodiment is exemplified below with reference to fig. 13 and 14.
Fig. 13 is a schematic diagram of power control of an existing card-type video processing device, as shown in fig. 13, in order to reduce power consumption, the existing card-type video processing device often needs to perform a soft-off or sleep mode when not in use, only one main power supply inside the existing card-type video processing device supplies power to the entire system, when the existing card-type video processing device needs to perform the soft-off or sleep mode, the main control card controls the power-off of the video input card and the video output card through a back panel, but the back panel is also connected to the main power supply and is not powered off, a system program is abnormal, the back panel also works abnormally, and the power.
A first power supply, namely a main power supply illustrated in fig. 14, provided by the video processing apparatus disclosed in this embodiment supplies power to a backplane and a video input card and a video output card connected to the backplane, and when a data exchange circuit and an auxiliary exchange circuit on the backplane exist in a daughter card form, the main power supply also supplies power to the exchange card, corresponding to the exchange card of fig. 14; the set secondary power supply, namely the auxiliary power supply illustrated in fig. 14, supplies power to the main control card, when the soft shutdown or the sleep mode is required, the main control card directly controls the main power supply to be turned off, and the backboard and all the daughter cards connected with the backboard are all powered off, so that the defects of the prior art are avoided.
To sum up, the embodiment of the utility model discloses a video processing equipment can avoid current video processing equipment to use a power can only be to video input card and video output card outage when soft shutdown, and the backplate still has the circumstances of electricity, can realize all cards except the main control card all outage, avoids procedure anomaly and backplate work anomaly, improves video processing equipment's stability, reduces video processing equipment's consumption better.
In the several embodiments provided in the present disclosure, it should be understood that the disclosed system, apparatus, and method may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and the actual implementation may have another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A video processing apparatus, comprising:
a back plate provided with a plurality of connectors;
a main control card connected to a main control connector among the plurality of connectors;
a video input card connected to an input connector of the plurality of connectors;
a video output card connected to an output connector of the plurality of connectors;
a first power supply connected to a main power connector of the plurality of connectors to supply power to the backplane, the video input card, and the video output card;
the second power supply is connected with the main control card to supply power to the main control card;
the main control card is also connected with a power supply control switch of the first power supply.
2. The video processing device of claim 1, wherein the master card is indirectly connected to the power control switch of the first power supply through the backplane; or, the main control card is directly connected with the power control switch of the first power supply.
3. The video processing device of claim 1 or 2, wherein the power control switch is a GPIO pin.
4. The video processing device of claim 1, wherein the second power supply is directly connected to the master card to supply power to the master card; or the second power supply is connected with an auxiliary power supply connector in the plurality of connectors so as to be indirectly connected with the main control card to supply power to the main control card.
5. The video processing device of claim 1, wherein the backplane further comprises a data switching circuit and an auxiliary switching circuit coupled to the plurality of connectors, the first power supply providing power to the data switching circuit and the auxiliary switching circuit.
6. The video processing device according to claim 1, further comprising:
a data exchange card connected to a first exchange connector of the plurality of connectors;
an auxiliary switch card connected to a second switch connector of the plurality of connectors;
wherein the first power supply is further connected to the data exchange card and the auxiliary exchange card via the backplane to supply power to the data exchange card and the auxiliary exchange card.
7. The video processing apparatus according to claim 6,
the data exchange card comprises:
a first connector connected to the first switching connector; and
the data exchange chip is connected with the first connector; the auxiliary switch card includes:
a second connector connected to the second switching connector;
the first programmable logic device is connected with the second connector;
the second programmable logic device is connected with the second connector and the first programmable logic device; and
and the first microcontroller is connected with the first programmable logic device and the second programmable logic device.
8. The video processing device of claim 1, wherein the master card comprises:
the third connector is connected with the main control connector;
the ARM processor is connected with the third connector;
the third programmable logic device is connected with the ARM processor and the third connector; and
and the memory is connected with the ARM processor and the third programmable logic device.
9. The video processing apparatus according to claim 1, wherein the number of the video input cards is at least one, and each of the video input cards comprises:
a fourth connector connected to the input connector;
the fourth programmable logic device is connected with the fourth connector;
the second microcontroller is connected with the fourth programmable logic device and the fourth connector;
and the video source input interface is connected with the fourth programmable logic device.
10. The video processing device according to claim 1, wherein the video output card comprises: at least one first video output card and/or at least one second video output card;
each of the first video output cards includes:
a fifth connector connected to the output connector;
the fifth programmable logic device is connected with the fifth connector;
a third microcontroller connected to the fifth programmable logic device and the fifth connector; and
the video source output interface is connected with the fifth programmable logic device; each of the second video output cards includes:
a sixth connector connected to the output connector;
the sixth programmable logic device is connected with the sixth connector;
the seventh programmable logic device is connected with the sixth programmable logic device;
the fourth microcontroller is connected with the sixth programmable logic device, the seventh programmable logic device and the sixth connector;
the network PHY chip is connected with the seventh programmable logic device;
the network transformer is connected with the network PHY chip;
the Ethernet interface is connected with the network transformer;
the optical module is connected with the seventh programmable logic device; and
and the optical fiber interface is connected with the optical module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020428023.3U CN212278333U (en) | 2020-03-27 | 2020-03-27 | Video processing apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020428023.3U CN212278333U (en) | 2020-03-27 | 2020-03-27 | Video processing apparatus |
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