CN217904511U - PCIe image acquisition card with multiple power supplies - Google Patents
PCIe image acquisition card with multiple power supplies Download PDFInfo
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- CN217904511U CN217904511U CN202221641937.3U CN202221641937U CN217904511U CN 217904511 U CN217904511 U CN 217904511U CN 202221641937 U CN202221641937 U CN 202221641937U CN 217904511 U CN217904511 U CN 217904511U
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Abstract
The utility model discloses a PCIe image acquisition card with multiple power supplies, which comprises a main interface and an external main power supply, and supplies power to the image acquisition card; at least one camera interface connected to a camera device; the auxiliary power supply interface is externally connected with an auxiliary power supply and supplies power to the camera equipment; the auxiliary power supply device additionally designs an auxiliary power supply interface on the image acquisition card, provides more powerful power supply for the image acquisition card, and meets the power supply requirements of the image acquisition card and the connected camera equipment.
Description
Technical Field
The utility model relates to an image acquisition technical field especially relates to a PCIe image acquisition card that supplies power more.
Background
For an image acquisition card in the industrial field, an image bus protocol used by the image acquisition card often supports transmission line power supply, such as PoCXP of CoaXPress protocol, poCL of CameraLink protocol, poE of gigvision protocol, and the like, which means that the power supply of the image acquisition card not only needs to supply power to devices of the acquisition card itself, but also needs to supply power to a camera device connected to the acquisition card through the image bus.
The traditional image acquisition card only acquires power supply from a PCIe slot of a computer, the power supply capacity of a single slot is limited and is not more than 75W at most, and when the power consumption of the acquisition card is large or the number of connected camera devices is large and the power consumption is large, the total power consumption required by the acquisition card exceeds the power supply capacity of the single slot.
SUMMERY OF THE UTILITY MODEL
Based on the technical problem that the background art exists, the utility model provides a many power supplies PCIe image acquisition card additionally designs an auxiliary power supply interface on image acquisition card, provides more powerful power supply for image acquisition card, has satisfied the power supply demand of image acquisition card and the camera equipment that connects.
The utility model provides a PCIe image collection card with multiple power supplies, which comprises a main interface, an external main power supply and a power supply unit, wherein the main interface supplies power to the image collection card; at least one camera interface connected to a camera device; and the at least one auxiliary power supply interface is externally connected with an auxiliary power supply and supplies power to the camera equipment.
Furthermore, the main power supply and the auxiliary power supply are isolated to supply power, the main power supply supplies power to the image acquisition card, and the auxiliary power supply supplies power to the camera equipment.
The camera device further comprises a controller and a switch module, wherein the controller is respectively connected with the main interface and the switch module, and the controller controls the power supply to the camera device by controlling the on-off of the switch module.
Further, when the controller controls the switch module to be switched on, a power supply path from the auxiliary power supply interface to the camera interface is switched on, and the auxiliary power supply supplies power to the camera equipment.
Further, when the controller controls the switch module to be switched off, a power supply path from the auxiliary power supply interface to the camera interface is switched off, and the auxiliary power supply does not supply power to the camera device.
Furthermore, the intelligent power supply device further comprises a voltage transformation module, wherein the auxiliary power supply interface, the voltage transformation module, the switch module and the camera interface are sequentially connected, or the auxiliary power supply interface, the switch module, the voltage transformation module and the camera interface are sequentially connected.
Further, the transformation module comprises a voltage stabilizer U1, an inductor L1, a diode D1, a resistor R1 and a resistor R2, the switch module comprises a switch chip S1, two ends of the inductor L1 are connected to a VIN pin and a SW pin of the voltage stabilizer U1 respectively, a positive terminal of the diode D1 is connected to a SW pin of the voltage stabilizer U1, a negative terminal is connected to an IN pin of the switch chip S1, one end of the resistor R1 and the resistor R2 after being connected IN series is connected to a negative terminal of the diode D1, the other end of the resistor R1 is grounded GND, a connection node of the resistor R1 and the resistor R2 is connected to a FB pin of the voltage stabilizer U1, an OUT pin of the switch chip S1 is connected to a camera interface, and the controller controls the on-off of the switch chip S1 by controlling a VBB pin of the switch chip S1.
Further, the controller (7) is one or a combination of a plurality of FPGA, a singlechip and a CPU.
Furthermore, the main interface is a PCIe interface and is connected with the computer through a PCIe slot.
Further, the camera interface is connected with the camera device through a transmission line.
The utility model provides a pair of PCIe image acquisition card that supplies power more's advantage lies in: the image acquisition card is provided with an auxiliary power supply interface for connecting an external auxiliary power supply and providing higher-power supply for the image acquisition card; the auxiliary power supply can be used for providing high-power transmission power supply for the camera equipment and is not limited by the power supply capacity of a single PCIe slot; the main power supply and the auxiliary power supply can be isolated for power supply and do not affect each other, so that the phenomenon that another device is damaged simultaneously when the camera device or the image acquisition card is abnormal is avoided.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a circuit diagram of the power supplied to the camera device by the auxiliary power interface;
the system comprises an image acquisition card 1, a main interface 2, an auxiliary power supply interface 3, a camera interface 4, a voltage transformation module 5, a switch module 6 and a controller 7.
Detailed Description
The technical solutions of the present invention are explained in detail below with reference to specific embodiments, and many specific details are set forth in the following description to provide a thorough understanding of the present invention. The present invention can be embodied in many other forms than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention.
As shown in fig. 1 to 2, the PCIe image capture card with multiple power supplies provided by the present invention includes a main interface 2, which is externally connected to a main power supply to supply power to the image capture card; at least one camera interface 4 to which a camera device is connected; and the at least one auxiliary power supply interface 3 is externally connected with an auxiliary power supply and supplies power to the camera equipment.
An auxiliary power supply interface 3 is additionally designed on the image acquisition card 1 to provide more powerful power supply for the image acquisition card 1, so that the power supply requirements of the image acquisition card 1 and connected camera equipment are met; the defects that when the traditional image acquisition card 1 can only acquire power supply from a PCIe slot of a computer through the main interface 2, the power supply capacity of a single slot is limited, and the required total power consumption exceeds the power supply capacity of the single slot are overcome.
The main interface 2 is connected to a PCIe slot of the computer and is used for carrying out main power supply for the image acquisition card 1; the auxiliary power supply interface 3 is connected to an external auxiliary power supply and is used for supplying auxiliary power to the image acquisition card 1; the camera interface 4 is for connecting to the camera device through a transmission line, and can provide power supply to the camera device through the transmission line. The auxiliary power supply interface can be connected to PCIe 6Pin, 8Pin, 12Pin power supply interfaces and the like of a computer case, and can additionally provide power supply power of 192W-576W.
In this embodiment, the main power supply and the auxiliary power supply may be set to be isolated power supplies, the main power supply only supplies power to the image acquisition card 1 itself, the auxiliary power supply only supplies power to the transmission line provided by the motor, and the auxiliary power supply may be used to supply high-power transmission power to the camera device without being limited by the power supply capability of a single PCIe slot; the advantage of isolation is that when any one of the image acquisition card or the camera equipment is abnormal, the other equipment cannot be influenced due to power supply isolation, and the equipment is prevented from being damaged at the same time; the isolated power supply can also reduce the power supply pressure of a single power supply (a main power supply or an auxiliary power supply), and the compatibility and the reliability are improved.
In this embodiment, the image acquisition card 1 is further provided with a voltage transformation module 5, a switch module 6 and a controller 7, the auxiliary power supply interface 3, the voltage transformation module 5, the switch module 6 and the camera interface 4 are sequentially connected, or the auxiliary power supply interface 3, the switch module 6, the voltage transformation module 5 and the camera interface 4 are sequentially connected; the controller 7 is respectively connected with the main interface 2 and the switch module 6, and controls the power supply to the camera device by controlling the on-off of the switch module 6.
The controller 7 in this embodiment may be a controller of different types, for example, an FPGA, a single chip, a CPU, or the like, so as to implement the present application. In this embodiment, the controller used is an ariia 10 model FPGA. The voltage transformation module 5 is used to change the voltage of the power input through the auxiliary power interface 3 or reduce the power ripple to provide a power supply meeting the requirements of the camera device, such as raising the 12V power input to 24V for the camera device or lowering the 24V input power to 12V for the camera device.
The switch module 6 controls on-off through the controller 7 to control on-off of power supply to the camera equipment through the auxiliary power supply interface 3; when the controller 7 controls the switch module 6 to be switched on, the power supply path from the auxiliary power supply interface 3 to the camera interface 4 is switched on, and the auxiliary power supply supplies power to the camera equipment; when the controller 7 controls the switch module 6 to be switched off, the power supply path from the auxiliary power supply interface 3 to the camera interface 4 is switched off, and the auxiliary power supply does not supply power to the camera device.
As shown in fig. 2, taking a mode that the auxiliary power supply interface 3, the transforming module 5, the switch module 6 and the camera interface 4 are connected in sequence as an example, J1 is the auxiliary power supply interface, input voltages 12v, u1, L1, D1, R1 and R2 form the transforming module 5, and 12V voltage is raised to 24V; s1 is a switch module 6, and a controller controls a switch; j2 is a camera interface and provides 24V power supply for the camera equipment; specifically, the voltage transformation module 5 includes a voltage regulator U1, an inductor L1, a diode D1, a resistor R1 and a resistor R2, the switch module 6 includes a switch chip S1, two ends of the inductor L1 are connected to a VIN pin and a SW pin of the voltage regulator U1 respectively, a positive terminal of the diode D1 is connected to the SW pin of the voltage regulator U1, a negative terminal is connected to an IN pin of the switch chip S1, one end of the resistor R1 and the resistor R2 after being connected IN series is connected to a negative terminal of the diode D1, the other end is grounded GND, a connection node of the resistor R1 and the resistor R2 is connected to a FB pin of the voltage regulator U1, an OUT pin of the switch chip S1 is connected to the camera interface 4, and the controller 7 is connected to a VBB pin of the switch chip S1 through switch control for controlling on-off of the switch chip S1. 12V voltage is input through the auxiliary power supply interface 3 and is boosted to 24V through the voltage boosting function of the voltage module so as to adapt to the power supply voltage of the camera equipment.
The auxiliary power supply interface 3, the switch module 6, the transformation module 5 and the camera interface 4 are connected in sequence, the input end of the S1 is connected with the J1, the output end of the S1 is connected with the input end of the transformation module 5 consisting of the U1, the L1, the D1, the R1 and the R2, the output end of the transformation module 5 is connected with the J2, and the specific circuit relationship in the module is consistent with the circuit relationship in the sequential connection of the auxiliary power supply interface 3, the transformation module 5, the switch module 6 and the camera interface 4, which is not described herein again.
No matter be auxiliary power supply interface 3, vary voltage module 5, switch module 6, camera interface 4 and connect gradually, still during auxiliary power supply interface 3, switch module 6, vary voltage module 5, camera interface 4 connect gradually, specifically do through 6 break-make of controller 7 control switch module: the controller 7 controls the on-off of the switch chip S1 by adjusting the voltage of the VBB pin, when the voltage of the VBB pin is high, the switch chip S1 is conducted, the power supply path from the auxiliary power supply interface 3 to the camera interface 4 is conducted, the auxiliary power supply supplies power to the camera equipment, the main power supply can be set to supply power to the image acquisition card at the moment, the auxiliary power supply supplies power to the camera equipment to realize the isolated power supply of the main power supply and the auxiliary power supply, when the voltage of the VBB is low, the switch chip S1 is disconnected, the power supply path from the auxiliary power supply interface 3 to the camera interface 4 is disconnected, and the auxiliary power supply does not supply power to the camera equipment.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. A multi-power supply PCIe image acquisition card is characterized by comprising:
the main interface (2) is externally connected with a main power supply and supplies power to the image acquisition card;
at least one camera interface (4) to which a camera device is connected;
and the at least one auxiliary power supply interface (3) is externally connected with an auxiliary power supply and supplies power to the camera equipment.
2. The multi-power-supply PCIe image acquisition card according to claim 1, wherein a main power supply and an auxiliary power supply are isolated from each other, the main power supply supplies power to the image acquisition card (1), and the auxiliary power supply supplies power to the camera device.
3. The PCIe image acquisition card with multiple power supplies according to claim 1, further comprising a controller (7) and a switch module (6), wherein the controller (7) is respectively connected with the main interface (2) and the switch module (6), and the controller (7) controls the power supply to the camera device by controlling the on/off of the switch module (6).
4. The multi-power-supply PCIe image acquisition card according to claim 3, wherein when the controller (7) controls the switch module (6) to be conducted, a power supply path from the auxiliary power supply interface (3) to the camera interface (4) is conducted, and the auxiliary power supply supplies power to the camera device.
5. The multi-power-supply PCIe image acquisition card according to claim 3, wherein when the controller (7) controls the switch module (6) to be disconnected, a power supply path from the auxiliary power supply interface (3) to the camera interface (4) is disconnected, and the auxiliary power supply does not supply power to the camera device.
6. The PCIe image acquisition card with multiple power supplies according to claim 3, further comprising a transforming module (5), wherein the auxiliary power supply interface (3), the transforming module (5), the switch module (6) and the camera interface (4) are sequentially connected, or the auxiliary power supply interface (3), the switch module (6), the transforming module (5) and the camera interface (4) are sequentially connected.
7. The multi-power supply PCIe image acquisition card according to claim 6, wherein the transforming module (5) comprises a voltage regulator U1, an inductor L1, a diode D1, a resistor R1 and a resistor R2, and the switching module (6) comprises a switch chip S1; the two ends of the inductor L1 are connected to a VIN pin and a SW pin of the voltage stabilizer U1 respectively, the positive end of the diode D1 is connected to the SW pin of the voltage stabilizer U1, the negative end of the diode D1 is connected to an IN pin of the switch chip S1, one end of the resistor R1 connected with the resistor R2 IN series is connected to the negative end of the diode D1, the other end of the diode D1 is grounded GND, the connection node of the resistor R1 and the resistor R2 is connected to an FB pin of the voltage stabilizer U1, an OUT pin of the switch chip S1 is connected to the camera interface (4), and the controller (7) controls the on-off of the switch chip S1 by controlling the VBB pin of the switch chip S1.
8. The multi-power-supply PCIe image acquisition card according to claim 7, wherein the controller (7) is one or more of a combination of FPGA, a single chip microcomputer and a CPU.
9. The multi-power-supply PCIe image acquisition card according to any one of claims 1-8, wherein the main interface (2) is a PCIe interface, and is connected with a computer through a PCIe slot.
10. The multi-powered PCIe image acquisition card according to any one of claims 1 to 8, wherein said camera interface (4) is connected to a camera device through a transmission line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221641937.3U CN217904511U (en) | 2022-06-28 | 2022-06-28 | PCIe image acquisition card with multiple power supplies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221641937.3U CN217904511U (en) | 2022-06-28 | 2022-06-28 | PCIe image acquisition card with multiple power supplies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217904511U true CN217904511U (en) | 2022-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221641937.3U Active CN217904511U (en) | 2022-06-28 | 2022-06-28 | PCIe image acquisition card with multiple power supplies |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217904511U (en) |
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2022
- 2022-06-28 CN CN202221641937.3U patent/CN217904511U/en active Active
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