CN220210507U - Image signal generator - Google Patents

Abstract

The utility model discloses an image signal generator, comprising: the device comprises a shell, a digital bottom plate, a core plate, a power module and a daughter board module, wherein the digital bottom plate is arranged on the bottom plate of the shell; the core board is arranged on the digital bottom board and is in communication connection with the digital bottom board; the power module is arranged on the bottom plate of the shell and is electrically connected with the digital bottom plate; the sub-board modules are arranged on the digital bottom board along the direction perpendicular to the bottom board, are in communication connection with the digital bottom board, and are respectively positioned on two sides of the core board with the power supply module. In this scheme, the daughter board module adopts the vertical distribution setting of perpendicular to bottom plate, still distributes in the both sides of core board respectively with power module moreover, and this scheme design is favorable to making image signal generator area little, the integrated setting of being convenient for.

Description

Image signal generator

Technical Field

The utility model relates to the technical field of signal generators, in particular to an image signal generator.

Background

The existing image signal generator has large length and width, large occupied area and inconvenient integrated arrangement.

Disclosure of Invention

In view of this, the utility model provides an image signal generator, the daughter board module is arranged in a longitudinal distribution perpendicular to the bottom plate, and is also distributed on two sides of the core board with the power supply module.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

an image signal generator comprising: the device comprises a shell, a digital bottom plate, a core plate, a power module and a daughter board module, wherein the digital bottom plate is arranged on the bottom plate of the shell;

the core board is arranged on the digital bottom board and is in communication connection with the digital bottom board;

the power module is arranged on the bottom plate of the shell and is electrically connected with the digital bottom plate;

the daughter board modules are arranged on the digital bottom board along the direction perpendicular to the bottom board and are in communication connection with the digital bottom board, and the daughter board modules and the power supply modules are respectively positioned on two sides of the core board.

Preferably, the power supply module and the daughter board module are distributed in parallel.

Preferably, the power module includes: a power supply bracket and a power supply board;

the power supply bracket is vertically arranged on the bottom plate of the shell;

the power panel is arranged on the side part of the power support, close to the digital bottom plate, along the direction perpendicular to the bottom plate and is electrically connected with the digital bottom plate;

the power supply support top is provided with the place that is used for placing the power, and with the power strip electricity is connected.

Preferably, the power supply bracket includes:

the bracket body is vertically arranged on the bottom plate of the shell; the top of the bracket body is used as the placement position;

the fixing plate is arranged on the side part, close to the digital bottom plate, of the bracket body along the direction perpendicular to the bottom plate; the power panel is arranged on the fixed plate.

Preferably, the bracket body is a U-shaped bracket body, and is reversely buckled and vertically arranged on the bottom plate of the shell.

Preferably, a plurality of interfaces which are distributed in parallel are arranged on one side of the digital bottom plate, which is positioned on the core plate;

the daughter board module includes: a plurality of sub-boards;

the plurality of daughter boards are respectively arranged on the plurality of interfaces of the digital bottom board in a one-to-one correspondence along the direction vertical to the bottom board.

Preferably, the interfaces are all plug interfaces;

the plurality of daughter boards are detachably inserted into the plurality of plug-in ports in a one-to-one correspondence manner along the direction perpendicular to the bottom plate.

Preferably, the daughter board module further includes:

the sliding groove assemblies are arranged on the digital bottom plate along the direction perpendicular to the bottom plate and are located at preset positions of the plug interfaces in a one-to-one correspondence manner; the plurality of daughter boards are detachably inserted into the corresponding insertion ports along the plurality of chute assemblies in a one-to-one correspondence.

Preferably, each of the chute assemblies comprises:

the sliding groove is arranged on the digital bottom plate along the direction vertical to the bottom plate and is positioned at the preset position of the plug-in port;

each of the daughter boards includes: a PCB board and a mounting board;

the top of the PCB is vertically connected with the bottom of the mounting plate, and can be detachably inserted into the insertion port along the sliding groove; at least one mounting end of the mounting plate is detachably connected with the top of the sliding groove when the PCB is inserted into the insertion port.

Preferably, the detachable connection structure between the mounting end of the mounting plate and the top of the chute includes:

a through hole formed in the mounting end of the mounting plate;

the internal threaded holes are formed in the top of the sliding groove and are used for being aligned with the through holes;

and a screw connecting the through hole and the internal threaded hole.

Preferably, the mounting end of the mounting plate is provided with an internal thread through hole;

the screw can be installed in the internal thread through hole and butt is in the top of spout to with the screw is screwed in constantly so that the PCB board can break away from the interface.

Preferably, the chute is a plastic chute;

the top of the plastic chute is embedded with a metal filling part, and the metal filling part is aligned with the internal thread through hole of the mounting end of the mounting plate.

According to the technical scheme, the image signal generator provided by the utility model has the advantages that the sub-board modules are longitudinally distributed perpendicular to the bottom board and are respectively distributed on the two sides of the core board together with the power supply modules, and the design of the scheme is beneficial to enabling the occupied area of the image signal generator to be small and facilitating the integrated arrangement.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of an image signal generator according to an embodiment of the present utility model;

FIG. 2 is a top view of an image signal generator according to an embodiment of the present utility model;

fig. 3 is a front view showing the structure of an image signal generator according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of an image signal generator according to another embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a power supply bracket according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram illustrating the installation of a daughter board module on a digital backplane according to an embodiment of the present disclosure;

fig. 7 is a front view showing the structure of an image signal generator according to another embodiment of the present utility model;

FIG. 8 is a cross-sectional view A-A of FIG. 7;

fig. 9 is a schematic structural diagram of a chute according to an embodiment of the present utility model;

FIG. 10 is a front view of a chute according to an embodiment of the present utility model;

fig. 11 is a schematic structural diagram of a chute according to another embodiment of the utility model.

Wherein 100 is a shell, 200 is a digital bottom plate, 300 is a core plate, 410 is a power supply bracket, 411 is a fixed plate, 412 is a boss, 420 is a power supply plate, 510 is a daughter board, 511 is a PCB (printed Circuit Board) plate, 512 is a mounting plate, 512.1 is an internal thread through hole, 520 is a chute, 521 is an internal thread hole, 522 is a guide slot, 523 is a first internal thread blind hole, 524 is a second internal thread blind hole, 525 is a positioning protrusion, 530 is a first reinforcing plate, 540 is a second reinforcing plate, 550 is a screw, and 560 is a metal filling part.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The image signal generator provided by the embodiment of the utility model, as shown in fig. 1 and 3, comprises: the digital backplane 200 is arranged on the backplane (i.e. the top) in the shell 100;

the core board 300 is disposed on (i.e., on top of) the digital chassis 200 and is in communication therewith;

the power module is disposed on the bottom plate (i.e. the top) of the housing 100 and is electrically connected to the digital bottom plate 200;

the sub-board modules are disposed on (i.e., on top of) the digital backplane 200 in a direction perpendicular to the backplane and in communication with the digital backplane, and are located on both sides of the core board 300, respectively, with the power modules.

According to the technical scheme, the image signal generator provided by the embodiment of the utility model has the advantages that the sub-board modules are longitudinally distributed perpendicular to the bottom board and are respectively distributed on two sides of the core board with the power supply modules, and the design of the scheme is beneficial to enabling the occupied area of the image signal generator to be small and facilitating the integrated arrangement.

In this scheme, as shown in fig. 2, the power module and the daughter board module are distributed in parallel, so that the component structure of the image signal generator is distributed more compactly and reasonably, thereby being beneficial to making the occupied area of the image signal generator smaller.

Specifically, as shown in fig. 1, the power module includes: a power bracket 410 and a power board 420;

the power bracket 410 is vertically disposed on the bottom plate (i.e., the top) of the housing 100;

as shown in fig. 1, the power panel 420 is disposed on a side portion of the power bracket 410, which is close to the digital chassis 200, in a direction perpendicular to the chassis, and is electrically connected to the digital chassis 200;

the power bracket 410 is provided with a place for placing a power source at the top and is electrically connected with the power board 420. I.e., a power source is placed at a place on top of the power bracket 410 and is electrically connected to the power board 420. That is, the components of the power module are also arranged in a longitudinal distribution perpendicular to the base plate, thereby contributing to a smaller footprint of the power module.

Further, as shown in fig. 1, the power bracket 410 includes:

a bracket body vertically provided on a bottom plate of the case 100; the top of the bracket body is used as a placement position;

a fixing plate 411 disposed at a side of the bracket body near the digital base 200 in a direction perpendicular to the base, the structure of which can be seen with reference to fig. 5; the power panel 420 is disposed on the fixing plate 411. That is, the power bracket 410 is provided with a fixing plate 411 for mounting and fixing the power panel 420, thereby greatly facilitating the mounting and fixing (screw-coupling) of the power panel 42.

Still further, as shown in fig. 5, the bracket body is a U-shaped bracket body, and is inverted and vertically disposed on the bottom plate of the housing. The support body of this scheme is so designed, and both be convenient for fixed plate 411 set up in its lateral part that is close to digital bottom plate 200, also be convenient for the power be used for placing at its top, still be favorable to the inside heat dissipation of image signal generator.

In this embodiment, a plurality of interfaces distributed in parallel are disposed on the digital backplane 200 (i.e. on the top) and located on one side of the core board 300; wherein, each interface is distributed in parallel with the power module;

as shown in fig. 1, the sub-board module includes: a plurality of sub-boards 510;

the plurality of sub-boards 510 are each mounted to the plurality of interfaces of the digital backplane 200 in a one-to-one correspondence in a direction perpendicular to the backplane. That is, the plurality of sub-boards of the sub-board module are also mounted with a longitudinal distribution perpendicular to the bottom plate, thereby contributing to a smaller footprint of the sub-board module. Of course, as shown in fig. 1, the number of interfaces and the number of the daughter boards 510 in this embodiment are six, that is, the six daughter boards 510 are all installed on the six interfaces in a one-to-one correspondence along the direction perpendicular to the bottom board.

Specifically, the interfaces are all plug interfaces;

the multiple sub-boards 510 are detachably inserted into the multiple plug interfaces (not shown in the figure) along the direction perpendicular to the bottom plate in a one-to-one correspondence manner, so that the multiple sub-boards 510 are detachably installed on the multiple plug interfaces along the direction perpendicular to the bottom plate in a one-to-one correspondence manner, and the sub-board modules are convenient to assemble and disassemble.

Further, the daughter board module further includes:

a plurality of chute assemblies disposed on the digital base plate 200 (i.e., on top of) in a direction perpendicular to the base plate and located at preset positions of the plurality of sockets in one-to-one correspondence; the plurality of sub-boards 510 are detachably inserted into the corresponding insertion ports along the plurality of chute assemblies in a one-to-one correspondence. That is, the chute assemblies are arranged at the preset positions of each plugging port, so that the daughter board 510 can conveniently slide along the chute assemblies to be detachably plugged into the plugging ports, and the guiding plugging of the daughter board 510 is realized, so that the stability and reliability of the plugging of the daughter board 510 are improved. Of course, the number of the chute assemblies in the scheme is six, and the chute assemblies are distributed at preset positions of the six interfaces in a one-to-one correspondence manner.

Still further, as shown in FIG. 2, each chute assembly comprises:

a chute 520 provided on the digital base plate 200 (i.e., on the top) in a direction perpendicular to the base plate and located at a preset position of the socket; the structure of which can be seen with reference to figures 9 to 11;

as shown in fig. 6, each sub-board 510 includes: a PCB 511 and a mounting board 512;

the top of the PCB 511 is vertically connected with the bottom (bottom surface) of the mounting plate 512, and can be detachably inserted into the insertion port along the sliding groove 520; at least one mounting end of the mounting plate 512 is detachably connected with the top of the chute 520 when the PCB 511 is plugged into the plugging port. The design is so designed that when the daughter board 510 is plugged into the plugging port, the connection and fixation of the daughter board 510 and the top of the chute assembly can be realized, and the plugging and locking effects of the daughter board 510 are achieved. Of course, the removable connection of the mounting end of the mounting plate 512 to the top of the chute 520 may be by a threaded connection, as described in more detail below.

In addition, it should be noted that the number of the sliding grooves 520 may be one (i.e. single sliding groove), and the sliding grooves are used to be disposed on the digital base 200 along the direction perpendicular to the base and located at one side of the interface; as shown in fig. 6, the number of the sliding grooves 520 may be two (i.e., two sliding grooves), and the sliding grooves are used to be respectively disposed on the digital base 200 along the direction perpendicular to the base, and are located at two sides of the insertion interface along the length direction thereof. In addition, the mounting end of the mounting plate 512 is the end of the mounting plate 512 along the length direction thereof; as shown in fig. 8, when the number of the sliding grooves 520 is two, the two mounting ends of the mounting plate 512 are mounted (e.g., overlapped) on the top of the two sliding grooves 520 in a one-to-one correspondence when the PCB 511 is inserted into the insertion port of the digital chassis 200.

To further optimize the above solution, the detachable connection structure between the mounting end of the mounting plate 512 and the top of the chute 520 includes:

a through hole opened at the mounting end of the mounting plate 512;

an internal threaded hole 521, which is formed at the top of the chute 520 and is aligned with the through hole, and the structure of which can be seen in fig. 11;

a screw 550 (shown in fig. 6) connecting the through hole and the female screw hole 521.

It should be noted that, when the number of the sliding grooves 520 is two, a matched detachable connection structure is disposed between each mounting end of the mounting plate 512 and the top of the corresponding sliding groove 520; wherein, the two mounting ends of the mounting plate 512 are respectively provided with a through hole, and the top of each sliding groove 520 is respectively provided with an internal threaded hole 521 which is aligned with the corresponding through hole, so that when the PCB 511 is inserted into the insertion port of the digital chassis 200, the through holes and the internal threaded holes 521 are aligned up and down, and then the through holes and the internal threaded holes 521 are connected by the screws 550, thereby realizing the detachable connection of the two mounting ends of the mounting plate 512 with the tops of the two sliding grooves 520. That is, the detachable connection structure of the scheme adopts a screw connection structure, and has the characteristics of simple structure, convenience in connection and the like.

In this embodiment, as shown in fig. 6, the mounting end of the mounting plate 512 is provided with an internal threaded through hole 512.1;

the screw 550 may be mounted to the internally threaded through hole 512.1 and abuts against the top of the chute, and as the screw 550 is screwed in, the bottom end of the PCB 511 can be separated from the socket.

It should be noted that, when the daughter board 510 is disassembled, the screw 550 is disassembled, and then the screw 550 is screwed into the internal threaded through hole 512.1 to abut against the top of the chute 520, and the tail of the screw 550 is pushed away from the top of the chute 520 along with continuous screwing, so that the PCB 511 can be separated from (pulled out of) the plugging interface. That is, the present solution adopts a screw screwing and jacking manner, so that the daughter board 510 can be pulled out of the socket of the digital bottom board 200, and the present solution has the characteristics of simple structure, convenient operation, etc.

Specifically, the chute 520 is a plastic chute;

as shown in fig. 8, a metal filling portion 560 is embedded in the top of the plastic chute, and the metal filling portion 560 is aligned with the internal threaded through hole 512.1 of the mounting end of the mounting plate 512. That is, considering that the strength of the plastic chute is limited, then the present solution is to embed a metal filling portion 560 (countersunk head arrangement) at the top of the plastic chute, so that the screw 550 can abut against the metal filling portion 560 when screwing in, thereby ensuring the service life of the plastic chute.

Further, as shown in fig. 6, the number of the sub-boards 510 is plural, the number of the chute assemblies is the same as the number of the sub-boards 510 and corresponds to the sub-boards 510 one by one, and the plural chute assemblies are distributed in parallel, however, the number of the plugging ports at the preset position on the digital backplane 200 is also plural and corresponds to the sub-boards 510 one by one, and each chute assembly includes a first chute and a second chute, that is, the number of the chute 520 is two and is the first chute and the second chute respectively;

the first sliding grooves and the second sliding grooves are fixed at two ends of the plug-in port of the digital bottom plate 200 along the length direction in a one-to-one correspondence mode. As shown in fig. 8, the first sliding grooves and the second sliding grooves are vertically fixed on two sides of the plugging port of the digital bottom plate 200 along the length direction thereof in a one-to-one correspondence manner, that is, the first sliding grooves and the second sliding grooves are distributed on two sides of the plugging port of the digital bottom plate 200 along the length direction thereof. In this way, the plurality of sub-boards 510 can be installed in a pluggable manner, thereby greatly facilitating the disassembly and assembly of the sub-board assembly.

Still further, the image signal generator provided by the embodiment of the present utility model further includes:

at least one reinforcing plate connected to the outer sides of the plurality of first sliding grooves on the same side; wherein, as shown in fig. 7, the reinforcing plate is a first reinforcing plate 530, and the number is one;

and/or at least one reinforcing plate connected with the outer sides of the plurality of second sliding grooves on the same side. As shown in fig. 6, the reinforcing plate is a second reinforcing plate 540, and the number of the reinforcing plates is two in parallel distribution. The design of this scheme is so designed that the structural connection strength of a plurality of sliding grooves 520 located on the same side is improved.

In order to further optimize the above technical solution, the reinforcing plate is also fixedly connected to the inner wall of the housing 100 of the image signal generator. The reinforcing plate connected to the outer sides of the first sliding grooves on the same side is also fixedly connected to the inner wall of the housing 100, as shown in fig. 7, that is, the first reinforcing plate 530 is also fixedly connected to the inner wall of the housing 100. In this way, the overall structural strength of the first sliding grooves on the same side can be improved. In addition, the reinforcing plate and the chute, and the reinforcing plate and the inner wall of the housing 100 may be screwed, such as countersunk screws, which are not described herein.

The present solution is further described below in connection with specific embodiments:

the present utility model provides an image signal generator, comprising: the shell, the digital bottom plate located in shell and power panel; the digital bottom plate is horizontally arranged on the bottom plate of the shell; the digital bottom plate is also provided with a core plate which is in communication connection with the digital bottom plate; a plurality of plug interfaces which are used for being matched with the plurality of sub-boards in a one-to-one correspondence manner are arranged on the digital bottom plate and positioned on one side of the core board, the plug interfaces are arranged in parallel, and the power supply board is positioned on the other side of the core board of the digital board; the power panel is fixedly arranged in the vertical direction; the power panel is connected with the digital bottom plate.

The image signal generator also comprises a power supply bracket, wherein the power supply bracket is fixed on the bottom plate outside the digital bottom plate; the power supply bracket includes: and the power panel is fixed on the fixed plate and is close to one side surface of the digital bottom plate.

The power supply bracket further comprises a boss, and the boss is positioned on the outer side of one side surface of the fixed plate, which is far away from the digital bottom plate; the power module of the image signal generator further comprises an ACDC power supply connected with the power panel, and the ACDC power supply is placed on the boss.

Two sliding grooves are formed in two sides of each plug-in port, and each sub-board can move up and down along two sliding grooves to be pulled out of or inserted into the plug-in port.

A plurality of sliding grooves positioned on the same side are provided with reinforcing plates.

Each sub-board includes a PCB board and a mounting board.

Still further, the present utility model provides an image signal generator comprising: alternating current-to-direct current (AC-DC) power supply module, power panel, digital bottom plate, chute structure, 6 sub-plate structures, shell (i.e. housing) and fan.

(1) The ACDC power supply is placed on a step (i.e. a boss) of the power supply bracket, and the power supply board is fixed on a fixed board of the power supply bracket;

(2) The digital bottom plate is provided with a core plate and is fixed on the bottom plate of the shell;

(3) 6 clamping grooves (i.e. plug-in connectors) are formed in one side, far away from the core plate, of the digital bottom plate, and the 6 clamping grooves are arranged in parallel;

(4) The digital bottom plate is also provided with 6 chute structures which are in one-to-one correspondence with the 6 clamping grooves, and each sub-plate can be arranged on the clamping groove along the chute structures;

(5) The fans are fixed on the shell, the number of the fans is 3, vent holes are formed in two opposite shells, and air channels are formed on the surface of the whole digital base plate and the surface of the power panel.

Each sub-board includes: the mounting plate and the PCB are fixed;

(1) Sliding grooves are correspondingly formed in two sides of each sub-board; the whole chute is made of plastic materials;

(2) An internal threaded hole 521, a metal filling hole and a port of the guide groove are arranged at the top of the chute;

(3) The mounting plate is provided with: through holes and card ejection holes (i.e., internally threaded through holes 512.1);

(4) The through holes and the internal threaded holes 521 are aligned and distributed, and the daughter board is fixed at the top of the chute through the screws 550;

(5) The board card ejecting holes and the metal filling holes (the metal parts are filled in the board card ejecting holes, such as metal rods) are aligned, screws are detached from the through holes when the daughter board is detached, the screws are screwed into the board card ejecting holes and are propped against the metal filling parts, and the daughter board can be ejected after the screws are continuously screwed;

(6) A positioning protrusion 525 is also arranged at the bottom of each chute, and a first internal thread blind hole 523 and a second internal thread blind hole 524 are arranged at positions relatively far away from the two sides of the positioning protrusion;

(7) The digital bottom plate is provided with positioning holes which are aligned with the positioning protrusions, and a first through hole and a second through hole which are correspondingly distributed with the two internal thread blind holes;

(8) When the sliding chute is installed, the positioning bulge is inserted into the positioning hole on the digital bottom plate, and two screws penetrate through two through holes on the digital bottom plate to enter the internal thread blind hole for fixing;

(9) The reinforcing plate is fixedly arranged on the sliding grooves on the same side, the reinforcing plate is fixed with the sliding grooves, and the reinforcing plate is also fixed on the shell through the mounting holes by bolts; and a limiting hole for limiting each chute is formed in the shell;

(10) The upper half part of the sliding grooves on the same side is provided with a reinforcing plate, and the lower half part is provided with a reinforcing plate.

In addition, the two sliding grooves are respectively and vertically arranged on the digital bottom plate; each of the sliding grooves 520 is provided with a guide groove 522 for being matched with the PCB 511 in a direction perpendicular to the digital chassis 200, the structure of which can be seen with reference to fig. 9 to 11,

the removable connection between each end of the mounting plate 512 and the top of the corresponding chute 520 includes:

a through hole provided at each end of the mounting plate 512;

the structure of the internal threaded hole 521, which is formed at the top of the corresponding chute 520 and is aligned with the through hole, can be shown in fig. 11;

a screw 550 (shown in fig. 6) connecting the through hole and the female screw hole 521.

As shown in fig. 8, both ends of the mounting plate 512 are provided with internal threaded through holes 512.1;

the detached screw 550 can be mounted to the internally threaded through hole 512.1 and screwed in with the screw 550 so that its tail can push up against the top of the corresponding runner 520.

Both sliding grooves 520 are plastic sliding grooves;

as shown in fig. 8, metal filling portions 560 are embedded in the tops of the two plastic sliding grooves, and are used for being aligned with the internal thread through holes 512.1 at two ends of the mounting plate 512 one by one.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (12)

1. An image signal generator comprising: the device comprises a shell (100), a digital bottom plate (200), a core plate (300), a power module and a daughter board module, and is characterized in that the digital bottom plate (200) is arranged on the bottom plate of the shell (100);

the core board (300) is arranged on the digital bottom board (200) and is in communication connection with the digital bottom board;

the power module is arranged on the bottom plate of the shell (100) and is electrically connected with the digital bottom plate (200);

the daughter board modules are arranged on the digital bottom board (200) along the direction perpendicular to the bottom board, are in communication connection with the digital bottom board, and are respectively positioned on two sides of the core board (300) with the power supply modules.

2. The image signal generator of claim 1, wherein the power module and the daughter board module are distributed in parallel.

3. The image signal generator of claim 1, wherein the power module comprises: a power supply bracket (410) and a power supply board (420);

the power supply bracket (410) is vertically arranged on the bottom plate of the shell (100);

the power panel (420) is arranged on the side part of the power bracket (410) close to the digital bottom plate (200) along the direction perpendicular to the bottom plate, and is electrically connected with the digital bottom plate (200);

the top of the power support (410) is provided with a placement position for placing a power supply and is electrically connected with the power panel (420).

4. An image signal generator according to claim 3, wherein the power supply holder (410) comprises:

a bracket body vertically provided on a bottom plate of the housing (100); the top of the bracket body is used as the placement position;

a fixing plate (411) provided on a side portion of the bracket body close to the digital base plate (200) in a direction perpendicular to the base plate; the power panel (420) is disposed on the fixing plate (411).

5. The image signal generator according to claim 4, wherein the bracket body is a U-shaped bracket body, and is inverted and vertically disposed on a bottom plate of the housing (100).

6. The image signal generator according to claim 1, wherein the digital backplane (200) is provided with a plurality of interfaces distributed in parallel on one side of the core board (300);

the daughter board module includes: a plurality of daughter boards (510);

the plurality of daughter boards (510) are respectively arranged on the plurality of interfaces of the digital bottom board (200) in a one-to-one correspondence manner along the direction perpendicular to the bottom board.

7. The image signal generator of claim 6, wherein a plurality of the interfaces are each a plug interface;

the plurality of daughter boards (510) are detachably inserted into the plurality of inserting ports in a one-to-one correspondence manner along the direction perpendicular to the bottom plate.

8. The image signal generator of claim 7, wherein the daughter board module further comprises:

the sliding groove assemblies are arranged on the digital bottom plate (200) along the direction perpendicular to the bottom plate and are located at preset positions of the plug interfaces in a one-to-one correspondence manner; the plurality of daughter boards (510) are detachably inserted into the corresponding insertion ports along the plurality of chute assemblies in a one-to-one correspondence.

9. The image signal generator of claim 8, wherein each chute assembly comprises:

a sliding groove (520) which is arranged on the digital bottom plate (200) along the direction vertical to the bottom plate and is positioned at the preset position of the plug-in port;

each of the daughter boards (510) includes: a PCB (511) and a mounting board (512);

the top of the PCB (511) is vertically connected with the bottom of the mounting plate (512) and can be detachably inserted into the insertion port along the sliding groove (520); at least one mounting end of the mounting plate (512) is detachably connected with the top of the sliding groove (520) when the PCB (511) is inserted into the insertion port.

10. The image signal generator of claim 9, wherein the removable connection between the mounting end of the mounting plate (512) and the top of the chute (520) comprises:

a through hole provided at the mounting end of the mounting plate (512);

the internal threaded hole (521) is arranged at the top of the chute (520) and is used for being aligned with the through hole;

and a screw (550) connecting the through hole and the female screw hole (521).

11. The image signal generator according to claim 10, wherein the mounting end of the mounting plate (512) is provided with an internally threaded through hole (512.1);

the screw (550) can be mounted on the inner threaded through hole (512.1) and is abutted to the top of the sliding groove (520), and the screw (550) can be screwed in continuously so that the PCB (512) can be separated from the plug-in interface.

12. The image signal generator of claim 11, wherein the chute (520) is a plastic chute;

the top of the plastic chute is embedded with a metal filling part (560), and the metal filling part (560) and the internal thread through hole (512.1) of the mounting end of the mounting plate (512) are in alignment distribution.