Novel director box power supply circuit capable of being externally connected with display screen and director box

Abstract

The utility model discloses a novel director box power supply circuit capable of being externally connected with a display screen and a director box, and the novel director box power supply circuit capable of being externally connected with the display screen. Comprising a power supply base, a first voltage stabilizing circuit, a second voltage stabilizing circuit, a plurality of first connecting bases, a plurality of second connecting bases, a first display screen connecting base, a second display screen connecting base, a third display screen connecting base and an edge processor connecting base. According to the novel director box power supply circuit capable of being externally connected with the display screen disclosed by the utility model, the purposes of externally connecting the display screen and the edge processor are realized; moreover, through the first display screen connecting seat, the second display screen connecting seat, the third display screen connecting seat and the connection between the first display screen connecting seat, the second display screen connecting seat and the third display screen connecting seat and the display screen, the second voltage stabilizing circuit and the director box control module, the effect of not supplying power to the display screen when the built-in display screen does not need to be used is achieved, and thus the electric energy loss of the director box is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of production switchers, in particular to a power supply circuit and a production switcher of a new type of production switcher with an externally connectable display screen. Background Art

[0002] A production switcher usually refers to a production control console in television or video production. It is a device integrating a display screen and various control modules, used for real-time monitoring and switching of video signals. Most of the existing production switchers cannot expand the display screen or externally connect a processor, and cannot connect an external expansion screen or processor. Content of the Utility Model

[0003] To solve the above technical problems, the utility model provides a power supply circuit and a production switcher of a new type of production switcher with an externally connectable display screen. The power supply circuit of the new type of production switcher with an externally connectable display screen includes a power socket, a first voltage stabilizing circuit, a second voltage stabilizing circuit, a plurality of first connection sockets, a plurality of second connection sockets, a first display connection socket, a second display connection socket, a third display connection socket, and an edge processor connection socket;

[0004] The power socket is respectively connected to the first voltage stabilizing circuit and the second voltage stabilizing circuit;

[0005] The first voltage stabilizing circuit is respectively connected to the edge processor connection socket and a plurality of first connection sockets;

[0006] The second voltage stabilizing circuit is respectively connected to the second display connection socket, the third display connection socket, and a plurality of second connection sockets;

[0007] The second display connection socket and the third display connection socket are both connected to the production switcher control module; the display screen is connected to the first display connection socket.

[0008] Preferably, the first display connection socket, the second display connection socket, the third display connection socket, and the edge processor connection socket are all TYPE C sockets.

[0009] Preferably, both the first voltage stabilizing circuit and the second voltage stabilizing circuit are composed of two or more electrolytic capacitors and a plurality of ceramic capacitors connected in parallel.

[0010] Preferably, the first voltage stabilizing circuit is provided with a voltage regulating circuit; the voltage regulating circuit is connected with a speed regulating knob; the first voltage stabilizing circuit is connected to a fan through the voltage regulating circuit.

[0011] Preferably, the voltage regulating circuit includes a switching power supply controller U1, a resistor FB5, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a capacitor C13, a capacitor C14, a capacitor C15, a capacitor C16, a capacitor C17, and an inductor L1, where:

[0012] One end of the resistor FB5 is connected to the first voltage stabilizing circuit, and the other end is connected to one end of the resistor R2, one end of the capacitor C14, and the IN pin of the switching power supply controller U1;

[0013] The other end of the resistor R2 is connected to one end of the resistor R5 and the EN pin of the switching power supply controller U1; the other ends of the resistor R5, the capacitor C14, and the capacitor C16 are all grounded;

[0014] The BST pin of the switching power supply controller U1 is connected to one end of the capacitor C13 through the resistor R1; the other end of the capacitor C13 is connected to the SW pin of the switching power supply controller U1 and one end of the inductor L1; the other end of the inductor L1 is connected to one ends of the capacitor C15, the capacitor C17, and the resistor R3 and serves as a fan power supply terminal to supply power to the fan; the other ends of the capacitor C15 and the capacitor C17 are both grounded; the other end of the resistor R3 is connected to the speed control knob;

[0015] The FB pin of the switching power supply controller U1 is connected to one end of the resistor R4 and the speed control knob; the other end of the resistor R4 is grounded through the resistor R6.

[0016] The present utility model also provides a video switcher, which adopts the novel video switcher power supply circuit capable of externally connecting a display screen as described above.

[0017] The novel video switcher power supply circuit provided by the present utility model achieves the purpose of externally connecting a display screen and an external edge processor. Moreover, through the first display connection seat, the second display connection seat, the third display connection seat and their connections with the display screen, the second voltage stabilizing circuit, and the video switcher control module, the effect of not supplying power to the display screen when the built-in display screen is not needed is achieved, thereby reducing power consumption. Description of the Drawings

[0018] Figure 1 It is a module diagram of the novel video switcher power supply circuit provided by the embodiment of the present utility model;

[0019] Figure 2 It is a circuit diagram of the first connection seat and the second connection seat;

[0020] Figure 3 It is a circuit diagram of the voltage regulating circuit;

[0021] Figure 4 It is a circuit diagram of the speed control knob;

[0022] Figure 5 It is a circuit diagram of the edge processor connection seat;

[0023] Figure 6 It is a circuit diagram of the display connection seat;

[0024] Wherein: 10, the director box housing; 11, the power socket; 121, the first voltage stabilizing circuit; 122, the second voltage stabilizing circuit; 131, the first connector; 132, the second connector; 141, the voltage regulating circuit; 142, the fan; 143, the speed regulating knob; 150, the director box control module; 160, the display screen; 161, the first display screen connector; 162, the second display screen connector; 163, the third display screen connector; 17, the edge processor connector. Detailed implementation manners

[0025] In order to make the technical means, creative features, achieved purposes and functions realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments. However, the following embodiments are only the preferred embodiments of the present utility model, not all of them. Based on the embodiments in the implementation manners, other embodiments obtained by those skilled in the art without making creative efforts all belong to the protection scope of the present utility model. The experimental methods in the following embodiments are all conventional methods unless otherwise specified. The materials, reagents, etc. used in the following embodiments can all be obtained from commercial channels unless otherwise specified.

[0026] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0028] The present utility model provides a power supply circuit and a video switcher box for a new type of video switcher box that can be externally connected to a display screen. Among them, the power supply circuit of the new type of video switcher box that can be externally connected to a display screen includes a power socket 11, a first voltage stabilizing circuit 121, a second voltage stabilizing circuit 122, a plurality of first connection sockets 131, a plurality of second connection sockets 132, a first display connection socket 161, a second display connection socket 162, a third display connection socket 163, and an edge processor connection socket 17;

[0029] The power socket 11 is respectively connected to the first voltage stabilizing circuit 121 and the second voltage stabilizing circuit 122;

[0030] The first voltage stabilizing circuit 121 is respectively connected to the edge processor connection socket 17 and a plurality of first connection sockets 131;

[0031] The second voltage stabilizing circuit 122 is respectively connected to the second display connection socket 162, the third display connection socket 163, and a plurality of second connection sockets 132;

[0032] The second display connection socket 162 and the third display connection socket 163 are both connected to the video switcher box control module 150; the display screen 160 is connected to the first display connection socket 161.

[0033] During specific implementation, as Figures 1-6 shown, the power supply circuit of the new type of video switcher box that can be externally connected to a display screen includes a power socket 11, a first voltage stabilizing circuit 121, a second voltage stabilizing circuit 122, a plurality of first connection sockets 131, a plurality of second connection sockets 132, a first display connection socket 161, a second display connection socket 162, a third display connection socket 163, and an edge processor connection socket 17;

[0034] As Figure 2 shown, the power socket 11 is connected to a 12V power supply and a 5V power supply, and conducts the 12V power supply to the input end of the first voltage stabilizing circuit 121; the output end of the first voltage stabilizing circuit 121 outputs a stable 12V voltage; the 5V power supply is conducted to the input end of the second voltage stabilizing circuit 12; the output end of the second voltage stabilizing circuit 12 outputs a stable 5V voltage; among them, as Figure 2 shown, both the first voltage stabilizing circuit 121 and the second voltage stabilizing circuit 122 are formed by two or more electrolytic capacitors and a plurality of ceramic capacitors connected in parallel;

[0035] The output end of the first voltage stabilizing circuit 121 is respectively connected to the edge processor connection socket 17 and a plurality of first connection sockets 131; the first connection socket 131 is a 12V connection socket; when an external edge processor is needed, it is connected through the edge processor connection socket 17;

[0036] The output terminals of the second voltage stabilizing circuit 122 are respectively connected to the second display connector 162, the third display connector 163, and a plurality of second connectors 132; the second connector 132 is a 5V connector; the first connector 131 and the second connector 132 are respectively used to connect and supply power to other circuit modules in the video switcher; as Figure 5 shown, the edge processor connector 17 is a TYPE C socket J2; as Figure 6 shown, the first display connector 161, the second display connector 162, and the third display connector 163 adopt TYPE C sockets J3; data exchange and power supply are realized through the TYPE C sockets;

[0037] Both the second display connector 162 and the third display connector 163 are connected to the video switcher control module 150; the video switcher control module 150 is an existing control MCU module in the video switcher; the display 160 is connected to the first display connector 161.

[0038] During operation, the first voltage stabilizing circuit 121 supplies power to the first connector 131 and the edge processor connector 17;

[0039] The second voltage stabilizing circuit 122 supplies power to the second connector 132, the second display connector 162, and the third display connector 163;

[0040] When it is necessary to use the built-in display 160 of the video switcher for display, the user manually plugs in a connecting wire to connect the first display connector 161 to the second display connector 162 or the third display connector 163;

[0041] When it is not necessary to use the built-in display 160 of the video switcher for display, the user manually plugs the connecting wire of the external monitor into the second display connector 162 or the third display connector 163, so as to achieve the purpose of connecting an external display; and when the built-in display 160 is not needed, the first display connector 161 is not connected to the second voltage stabilizing power supply 122, thereby reducing energy consumption;

[0042] When it is necessary to use both the built-in display 160 and the external monitor at the same time, the first display connector 161 is conductively connected to the second display connector 162 (or the third display connector 163) through a connecting wire; the external monitor is connected to the third display connector 163 (or the second display connector 162) through another connecting wire; thus, the purpose of simultaneously performing video monitoring and video processing is achieved.

[0043] The power supply circuit of the switcher box with a novel externally connectable display screen provided by the embodiment of the present utility model achieves the purpose of externally connecting a display screen and an external edge processor; and, through the first display connection seat 161, the second display connection seat 162, the third display connection seat 163 and their connections with the display screen 160, the second voltage stabilization circuit 122, and the switcher box control module 150, it realizes the effect of not powering the display screen 160 when the built-in display screen 160 is not needed, thereby reducing power consumption.

[0044] Further, the first voltage stabilization circuit 11 is provided with a voltage regulation circuit 141; the voltage regulation circuit 141 is connected with a speed regulation knob 143; the first voltage stabilization circuit 121 is connected with the fan 142 through the voltage regulation circuit 141.

[0045] The voltage regulation circuit 141 includes a switching power supply controller U1, a resistor FB5, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a capacitor C13, a capacitor C14, a capacitor C15, a capacitor C16, a capacitor C17 and an inductor L1, where:

[0046] One end of the resistor FB5 is connected to the first voltage stabilization circuit 121, and the other end is connected to one end of the resistor R2, one end of the capacitor C14 and the IN pin of the switching power supply controller U1;

[0047] The other end of the resistor R2 is connected to one end of the resistor R5 and the EN pin of the switching power supply controller U1; the other ends of the resistor R5, the capacitor C14 and the capacitor C16 are all grounded;

[0048] The BST pin of the switching power supply controller U1 is connected to one end of the capacitor C13 through the resistor R1; the other end of the capacitor C13 is connected to the SW pin of the switching power supply controller U1 and one end of the inductor L1; the other end of the inductor L1 is connected to one ends of the capacitor C15, the capacitor C17 and the resistor R3 and serves as the fan power supply terminal to supply power to the fan 142; the other ends of the capacitor C15 and the capacitor C17 are all grounded; the other end of the resistor R3 is connected to the speed regulation knob 143;

[0049] The FB pin of the switching power supply controller U1 is connected to one end of the resistor R4 and the speed regulation knob 143; the other end of the resistor R4 is grounded through the resistor R6.

[0050] During specific implementation, as Figure 3 、 Figure 4 shown, the first voltage stabilization circuit 11 is provided with a voltage regulation circuit 141; the voltage regulation circuit 141 is connected with a speed regulation knob 143; the first voltage stabilization circuit 121 is connected with the fan 142 through the voltage regulation circuit 141.

[0051] The voltage regulating circuit 141 includes a switching power supply controller U1, a resistor FB5, resistors R1, R2, R3, R4, R5, R6, capacitors C13, C14, C15, C16, C17, and an inductor L1, where: The model of the switching power supply controller U1 is MP2236;

[0052] One end of the resistor FB5 is connected to the first voltage stabilizing circuit 121, and the other end is connected to one end of the resistor R2, one end of the capacitor C14, and the IN pin of the switching power supply controller U1;

[0053] The other end of the resistor R2 is connected to one end of the resistor R5 and the EN pin of the switching power supply controller U1; The other ends of the resistor R5, the capacitor C14, and the capacitor C16 are all grounded;

[0054] The BST pin of the switching power supply controller U1 is connected to one end of the capacitor C13 through the resistor R1; The other end of the capacitor C13 is connected to the SW pin of the switching power supply controller U1 and one end of the inductor L1; The other end of the inductor L1 is connected to one ends of the capacitor C15, the capacitor C17, and one end of the resistor R3 and serves as the fan power supply terminal (5V - FAN terminal) to supply power to the fan 142; The other ends of the capacitor C15 and the capacitor C17 are both grounded; The other end of the resistor R3 is connected to the first pin of the connector CN14; The speed control knob 143 is provided with a connection to the connector CN13, and the connector CN13 is connected to the connector CN14;

[0055] The FB pin of the switching power supply controller U1 is connected to one end of the resistor R4 and the second pin of the connector CN14; The other end of the resistor R4 is grounded through the resistor R6.

[0056] When in use, the user can adjust the output voltage of the voltage regulating circuit between 12V and 5V by rotating the speed control knob 143, thereby adjusting the fan speed.

[0057] The present utility model also provides a video switcher, which adopts the novel video switcher power supply circuit capable of externally connecting a display screen as described above.

[0058] During specific implementation, the video switcher adopts the novel video switcher power supply circuit capable of externally connecting a display screen as described above, and further includes a video switcher housing 10, as Figure 1 shown, the novel video switcher power supply circuit is placed inside the video switcher housing 10; The first display connector 161, the second display connector 162, the third display connector 163, and the edge processor connector are all inlaid on the side wall of the video switcher housing 10; The user can insert the connecting wires.

[0059] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A power supply circuit for a video switcher box with an external display, characterized in that: It includes a power socket (11), a first voltage stabilizing circuit (121), a second voltage stabilizing circuit (122), a number of first connection sockets (131), a number of second connection sockets (132), a first display connection socket (161), a second display connection socket (162), a third display connection socket (163), and an edge processor connection socket (17); The power socket (11) is respectively connected to the first voltage stabilizing circuit (121) and the second voltage stabilizing circuit (122); The first voltage stabilizing circuit (121) is respectively connected to the edge processor connection socket (17) and a number of first connection sockets (131); The second voltage stabilizing circuit (122) is respectively connected to the second display connection socket (162), the third display connection socket (163), and a number of second connection sockets (132); The second display connection socket (162) and the third display connection socket (163) are both connected to the switcher control module (150); The display screen (160) is connected to the first display connection socket (161).

2. The power supply circuit of the production control box with an externally connectable display screen according to claim 1, characterized in that: The first display connection socket (161), the second display connection socket (162), the third display connection socket (163), and the edge processor connection socket (17) are all TYPE C sockets.

3. The power supply circuit of the switcher box with an externally connectable display screen according to claim 1, characterized in that: The first voltage stabilizing circuit (121) and the second voltage stabilizing circuit (122) are both formed by two or more electrolytic capacitors and a number of ceramic capacitors in parallel.

4. The power supply circuit of the video switcher box with an external display according to claim 1, characterized in that: The first voltage stabilizing circuit (121) is provided with a voltage regulating circuit (141); The voltage regulating circuit (141) is connected to a speed control knob (143); The first voltage stabilizing circuit (121) is connected to the fan (142) through the voltage regulating circuit (141).

5. The power supply circuit of the video switcher box with an external display according to claim 4, characterized in that: The voltage regulating circuit (141) includes a switching power supply controller U1, a resistor FB5, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a capacitor C13, a capacitor C14, a capacitor C15, a capacitor C16, a capacitor C17, and an inductor L1, where: One end of the resistor FB5 is connected to the first voltage stabilizing circuit (121), and the other end is connected to one end of the resistor R2, one end of the capacitor C14, and the IN pin of the switching power supply controller U1; The other end of the resistor R2 is connected to one end of the resistor R5 and the EN pin of the switching power supply controller U1; The other ends of the resistor R5, the capacitor C14, and the capacitor C16 are all grounded; The BST pin of the switching power supply controller U1 is connected to one end of the capacitor C13 through the resistor R1; The other end of the capacitor C13 is connected to the SW pin of the switching power supply controller U1 and one end of the inductor L1; The other end of the inductor L1 is connected to one ends of the capacitor C15, the capacitor C17, and the resistor R3 and serves as the fan power supply terminal to supply power to the fan (142); The other ends of the capacitor C15 and the capacitor C17 are both grounded; The other end of the resistor R3 is connected to the speed control knob (143); The FB pin of the switching power supply controller U1 is connected to one end of the resistor R4 and the speed control knob (143); The other end of the resistor R4 is grounded through the resistor R6.

6. A production switcher box, characterized in that: Adopt the new switcher power supply circuit with an externally connectable display screen as described in any one of claims 1-5.

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