CN213485052U

CN213485052U - HDMI extender

Info

Publication number: CN213485052U
Application number: CN202023126240.6U
Authority: CN
Inventors: 熊安永; 尹月桂; 黄春杨
Original assignee: Shenzhen Anruixin Technology Co ltd
Current assignee: Shenzhen Anruixin Technology Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-06-18
Anticipated expiration: 2030-12-22

Abstract

The utility model relates to a HDMI extender relates to the field of extender, which comprises a housin, the casing in be equipped with the installation cavity that is used for installing the circuit board, the casing on seted up the louvre, the louvre be located the lower surface of casing and be linked together with the installation cavity, the casing on still be equipped with the supporting legs, the casing on still be equipped with the chamber that holds that is used for holding the supporting legs, the one end of supporting legs articulate in the one end that holds the intracavity. This application has the characteristics that can effectual promotion radiating effect.

Description

HDMI extender

Technical Field

The present application relates to the field of extenders, and in particular, to an HDMI extender.

Background

The wireless HDMI extender is a device for extending signals, and is generally used in a situation where a long-distance direct-connection wire cannot meet transmission requirements, and is generally designed to ensure long-distance unattenuated transmission of signals.

Under the condition that the existing extender is used for a long time, a large amount of heat can be generated by electronic components. In order to accelerate the heat dissipation, a plurality of heat dissipation holes are formed on the lower surface of the shell of the extender.

In view of the above-mentioned related technologies, the inventors believe that there is a defect that the heat dissipation holes are easily blocked, resulting in poor heat dissipation effect.

SUMMERY OF THE UTILITY MODEL

In order to improve the radiating effect of casing, this application provides an HDMI extender.

The HDMI extender provided by the application adopts the following technical scheme:

the utility model provides a HDMI extender, includes the casing, the casing in be equipped with the installation cavity that is used for installing the circuit board, the casing on seted up the louvre, the louvre be located the lower surface of casing and be linked together with the installation cavity, the casing on still be equipped with the supporting legs, the casing on still be equipped with the chamber that holds that is used for holding the supporting legs, the one end of supporting legs articulate in the one end that holds the intracavity.

Through adopting above-mentioned technical scheme, when using, rotate the supporting legs for the supporting legs is followed and is held the intracavity and rolled out, and be mutually perpendicular with the casing, afterwards, contacts the lower extreme and the holding surface of supporting legs, makes the casing supported by the supporting legs, and at this moment, the interval that is located between the louvre of casing lower surface and the holding surface increases, consequently makes the heat that gives off that emanates from the louvre faster, consequently can effectual promotion radiating effect.

Optionally, one end of the accommodating cavity penetrates through one side of the casing, the hinged part of the supporting leg and the accommodating cavity is located at the end, a positioning hole is further formed in the supporting leg, the positioning hole penetrates through the supporting leg, and the axis of the positioning hole is perpendicular to the supporting leg.

Through adopting above-mentioned technical scheme, when using, the upset casing for the casing parallels with the wall, rotates the supporting legs afterwards, makes the supporting legs be located and holds the intracavity and parallel with the wall, passes the locating hole with the screw afterwards and is connected with the wall, and then can play the purpose of casing installation on the wall.

Optionally, the supporting legs are further fixedly connected with a supporting plate, the supporting plate is perpendicular to the supporting legs, and when the supporting legs are horizontally arranged and located in the accommodating cavities, the supporting plate is located above the supporting legs.

Through adopting above-mentioned technical scheme, when will installing on the wall body as the casing, backup pad and wall contact for there is the interval between casing and the wall, and then makes when casing fixed mounting on the wall, still can play better radiating effect.

Optionally, the shell is further provided with a limiting hole, the limiting hole is communicated with the accommodating cavity, the supporting plate is further provided with an elastic bulge, and when the elastic bulge is located in the limiting hole, the supporting leg is horizontally arranged and the supporting plate is located below the supporting leg.

Through adopting above-mentioned technical scheme, when using, when the casing level sets up, when the elastic bulge is located spacing downthehole, the supporting legs level sets up and parallels with the horizontal plane, when the upset casing for when casing and wall paralleled, the supporting legs parallels with the wall, because the elastic bulge is located spacing downthehole this moment, consequently can effectively reduce when installing the casing on the wall, the supporting legs takes place pivoted probability under the effect of gravity.

Optionally, an auxiliary groove is further formed in the upper surface of the shell, the auxiliary groove is communicated with the mounting cavity, and a baffle plate used for shielding the auxiliary groove is further movably connected to the shell.

Through adopting above-mentioned technical scheme, when installing the casing on the wall, the upper surface of casing can become the side of casing when the level sets up, and the probability that external dust falls on the casing side is lower, consequently when the casing is installed on the wall, removes the baffle for the auxiliary tank exposes, and then makes the radiating effect better.

Optionally, a fixing rod is further disposed on the baffle, and one end of the fixing rod protrudes out of the upper surface of the housing.

Through adopting above-mentioned technical scheme, consequently when the casing from installing on the wall, switch over to place on the desktop, remove through dead lever drive baffle and seal the auxiliary tank to can reduce when the casing is placed on the desktop, debris such as dust pass through the auxiliary tank and get into the probability to the installation intracavity.

Optionally, the fixing rod is fixedly connected with a rotating shaft, and the rotating shaft is rotatably connected with the baffle.

Through adopting above-mentioned technical scheme, when using, when needs are through removing the baffle, rotate the dead lever for the dead lever is mutually perpendicular with the baffle, and then makes the baffle that is convenient for promote to remove, and when need not to remove the baffle, rotates the dead lever and makes the pole body and the baffle of dead lever laminate mutually, and then reduces occupation space.

Optionally, the shell is further fixedly connected with fixing blocks, the fixing blocks are located on two sides of the baffle, sliding grooves for the baffle to slide are further formed in the fixing blocks, and two sides of the baffle are located in the sliding grooves in the two fixing blocks respectively.

Through adopting above-mentioned technical scheme, when using, the existence in groove that slides can play the effect of direction to the baffle, and when needs remove the baffle, promote the baffle can for it is more convenient to operate.

In summary, the present application includes at least one of the following beneficial technical effects:

the heat dissipation effect of the shell is better;

when the shell is installed on the wall, a certain heat dissipation effect can still be maintained.

Drawings

FIG. 1 is a block diagram of a system according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of an embodiment of the present application.

Fig. 3 is a schematic cross-sectional structure diagram of an embodiment of the present application.

Fig. 4 is a schematic structural diagram of a support foot according to an embodiment of the present application.

Fig. 5 is a schematic cross-sectional structure of another embodiment of the present application.

Description of reference numerals: 1. a housing; 11. a mounting cavity; 12. an accommodating chamber; 13. heat dissipation holes; 14. an auxiliary groove; 15. a limiting hole; 2. supporting legs; 21. positioning holes; 3. a fixed block; 31. a sliding groove; 4. a baffle plate; 5. fixing the rod; 51. a rotating shaft; 6. a support plate; 61. and (4) elastic bulges.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

Referring to fig. 1, an embodiment of the present application discloses an HDMI extender including a transmitting module and a receiving module, where the transmitting module includes a signal input terminal, a signal conversion unit, a data encoding unit, and a transmitting unit. The signal input end is used for connecting the HDMI data line, the output end of the signal input unit is connected with the input end of the signal conversion unit, the output end of the signal conversion unit is connected with the input end of the data coding unit, and the output end of the data coding unit is connected with the input end of the transmitting unit. In this embodiment, the signal input terminal may be an HDMI interface, the signal conversion unit may be a processing chip with a model number IT66021, the data encoding unit may be a processing chip with a model number HI3520, and the transmitting unit may be a WIFI module with a model number AR 1021.

The receiving module comprises a receiving unit, a data decoding unit and a signal output unit, wherein the receiving unit is used for receiving the signal sent by the transmitting unit, the output end of the receiving unit is connected with the input end of the data decoding unit, and the output end of the data decoding unit is connected with the input end of the signal output unit. In this embodiment, the data decoding unit may be a processing chip with a model of HI3520, the receiving unit may be a WIFI module with a model of AR1021, and the signal output unit may be an HDMI interface.

The signal input end transmits the input HDCP1.4, HDMI1.3 and below audio and video serial data to the signal conversion unit for data conversion, the signal conversion unit converts the input audio and video serial data into parallel data of BT1120 and transmits the parallel data to the data coding unit for coding, the data coding unit codes the input parallel data by using an H.264 algorithm, the video data is compressed to the bandwidth of 5M and the highest resolution of 1080p @60hz is supported, the video data is transmitted to the transmitting unit through a USB2.0 protocol, the transmitting unit transmits the received network data of the USB2.0 protocol through a radio frequency signal of a 5GHz channel, the receiving unit receives the signal and then transmits the network data to the data decoding unit through the USB2.0 for decoding, and the data decoding unit outputs the decoded data to the signal output unit.

The embodiment of the application discloses an HDMI extender. Referring to fig. 2 and 3, including casing 1, four angles of casing 1's lower surface have all been seted up and have been held chamber 12, hold articulated in the chamber 12 to have supporting legs 2. The casing 1 is further provided with a heat dissipation hole 13 and a mounting cavity 11, the mounting cavity 11 is used for mounting a circuit board, and the heat dissipation hole 13 is communicated with the mounting cavity 11. The heat radiating holes 13 are formed in the lower surface of the housing 1.

When the heat dissipation device is used, the supporting legs 2 are rotated, so that the supporting legs 2 are moved out of the accommodating cavity 12 and are perpendicular to the table top, and the lower ends of the supporting legs 2 are in contact with the table top to support the shell 1, so that the distance between the lower surface of the shell 1 and the table top is increased, and heat dissipated from the heat dissipation holes 13 is more easily dissipated into the air.

Referring to fig. 2 and 3, one end of the supporting leg 2 is hinged to one end of the accommodating cavity 12, one end of the accommodating cavity 12 penetrates through one side of the housing 1, and the hinged position of the supporting leg 2 and the accommodating cavity 12 is located at the end. The supporting leg 2 is also provided with a positioning hole 21 penetrating through the supporting leg 2, and the axis of the positioning hole 21 is vertical to the supporting leg 2. Supporting legs 2 and the one end fixedly connected with backup pad 6 that holds chamber 12 looks articulated mutually, and backup pad 6 and supporting legs 2 are mutually perpendicular, and backup pad 6 and locating hole 21's axis is parallel. When the housing 1 is horizontally arranged and the supporting feet 2 are horizontally arranged and located in the accommodating cavity 12, the supporting plate 6 is also located in the accommodating cavity 12.

Referring to fig. 3 and 4, an elastic protrusion 61 is further fixedly connected to the supporting plate 6, and the elastic protrusion 61 abuts against an inner wall of the accommodating cavity 12, in this embodiment, the elastic protrusion 61 is made of rubber. The accommodating cavity 12 is further provided with three limiting holes 15, the limiting holes 15 are located on the rotation path of the elastic protrusion 61, and in this embodiment, the number of the limiting holes 15 is three, and the included angle between adjacent limiting holes 15 is ninety degrees. Wherein two spacing holes 15 are located supporting legs 2 and the top and the below of the axis of rotation that holds chamber 12 respectively, and another spacing hole 15 is located supporting legs 2 and the axis of rotation that holds chamber 12 and keeps away from the one side that holds chamber 12 opening.

When supporting legs 2 and backup pad 6 all are located and hold chamber 12 in, elastic bulge 61 is located the spacing hole 15 of top, when supporting legs 2 vertical setting is located and holds chamber 12 outside and backup pad 6 is located and holds chamber 12 in, elastic bulge 61 is located the spacing hole 15 of side, when supporting legs 2 level setting is located and holds chamber 12 outside and the vertical setting of backup pad 6 is located and holds chamber 12 outside, elastic bulge 61 is located the spacing hole 15 of below, consequently, can effectively reduce when using, supporting legs 2 take place pivoted probability. Thereby making the support of the housing 1 more stable.

Referring to fig. 3, the upper surface of the housing 1 is further formed with an auxiliary groove 14, and the auxiliary groove 14 is in communication with the mounting cavity 11. Still sliding connection has baffle 4 on the casing 1, and still fixedly connected with fixed block 3 on the casing 1, in this embodiment, 3 fixed connection of fixed block are on the surface of casing 1, and fixed block 3 is located the both sides of baffle 4, still is equipped with on the fixed block 3 to be used for supplying the gliding groove 31 that slides of baffle 4, and the groove 31 that slides does not run through fixed block 3, and the both ends of baffle 4 are located the groove 31 that slides of two fixed blocks 3 respectively. The baffle 4 is also hinged with a fixing rod 5, one end of the fixing rod 5 close to the baffle 4 is fixedly connected with a rotating shaft 51, and the rotating shaft 51 is rotatably connected with the baffle 4. The rotation shaft 51 is parallel to the shutter 4.

In use, when the housing 1 is mounted on a wall, the baffle 4 moves downwardly under the influence of gravity so that the auxiliary slot 14 is exposed. And then can promote the radiating effect, when casing 1 shifts to the desktop from the wall on, rotate dead lever 5 for dead lever 5 is mutually perpendicular with baffle 4, stimulates dead lever 5 afterwards, makes dead lever 5 drive baffle 4 and removes, and covers auxiliary tank 14, consequently can reduce the probability that impurity such as external dust entered into to installation cavity 11 in from auxiliary tank 14.

In another embodiment, referring to fig. 5, the fixing block 3 is located in the installation cavity 11 and is fixedly connected with the inner surface of the housing 1, and when the fixing rod 5 is perpendicular to the baffle 4, the fixing rod 5 passes through the auxiliary groove 14.

The implementation principle of the HDMI extender in the embodiment of the present application is as follows: when the heat dissipation device is used, the supporting legs 2 are rotated according to actual installation conditions, so that a certain distance exists between the heat dissipation holes 13 and the supporting surface, and the heat dissipation effect can be effectively improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An HDMI extender, comprising: including casing (1), casing (1) in be equipped with installation cavity (11) that are used for installing the circuit board, casing (1) on seted up louvre (13), louvre (13) be located the lower surface of casing (1) and be linked together with installation cavity (11), casing (1) on still be equipped with supporting legs (2), casing (1) on still be equipped with chamber (12) that holds that are used for holding supporting legs (2), the one end of supporting legs (2) articulate in the one end that holds in chamber (12).

2. An HDMI extender in accordance with claim 1, wherein: one end of the accommodating cavity (12) penetrates through one side of the shell (1), the supporting leg (2) and the hinged position of the accommodating cavity (12) are located at the end, a positioning hole (21) is further formed in the supporting leg (2), the positioning hole (21) penetrates through the supporting leg (2), and the axis of the positioning hole (21) is perpendicular to the axis of the supporting leg (2).

3. An HDMI extender in accordance with claim 2, wherein: the supporting legs (2) are further fixedly connected with supporting plates (6), the supporting plates (6) are perpendicular to the supporting legs (2), and when the supporting legs (2) are horizontally arranged and located in the accommodating cavities (12), the supporting plates (6) are located above the supporting legs (2).

4. An HDMI extender in accordance with claim 3, wherein: casing (1) on still be equipped with spacing hole (15), spacing hole (15) with hold chamber (12) and be linked together, backup pad (6) on still be equipped with elastic bulge (61), work as elastic bulge (61) when being located spacing hole (15), supporting legs (2) level set up just backup pad (6) be located the below of supporting legs (2).

5. An HDMI extender in accordance with claim 1, wherein: the upper surface of the shell (1) is further provided with an auxiliary groove (14), the auxiliary groove (14) is communicated with the mounting cavity (11), and the shell (1) is further movably connected with a baffle (4) used for shielding the auxiliary groove (14).

6. An HDMI extender in accordance with claim 5, wherein: the baffle (4) is also provided with a fixing rod (5), and one end of the fixing rod (5) protrudes out of the upper surface of the shell (1).

7. An HDMI extender in accordance with claim 6, wherein: the fixing rod (5) is fixedly connected with a rotating shaft (51), and the rotating shaft (51) is rotatably connected with the baffle (4).

8. An HDMI extender in accordance with claim 5, wherein: casing (1) on still fixedly connected with fixed block (3), fixed block (3) be located the both sides of baffle (4), fixed block (3) on still offer and be used for supplying gliding groove (31) that slides of baffle (4), the both sides of baffle (4) be located respectively in groove (31) that slide on two fixed blocks (3).