CN210092511U - Communication device controlled by switch - Google Patents
Communication device controlled by switch Download PDFInfo
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- CN210092511U CN210092511U CN201920512285.5U CN201920512285U CN210092511U CN 210092511 U CN210092511 U CN 210092511U CN 201920512285 U CN201920512285 U CN 201920512285U CN 210092511 U CN210092511 U CN 210092511U
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- hdmi interface
- emitting diode
- switch
- port
- communication device
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Abstract
The utility model relates to the technical field of connectors, in particular to a communication device controlled by a switch, which comprises a shell, wherein a PCB is fixed in the shell, and a control chip U1, a first HDMI interface, a second HDMI interface, a third HDMI interface and a self-locking switch are fixed on the PCB; the first HDMI interface passes through control chip U1 and third HDMI interface formation first signal channel, the second HDMI interface passes through control chip U1 and third HDMI interface formation second signal channel, self-locking switch's control port and control chip U1's passageway select the port to be connected, self-locking switch includes first selection port and second selection port, first selection port ground connection, the second is selected the port and is connected with the power. The utility model provides a pair of communication device through on-off control has better compatibility and output signal more stable.
Description
Technical Field
The utility model belongs to the technical field of the connector technique and specifically relates to indicate a communication device through on-off control.
Background
Currently, in a computer device, different functional interfaces are implemented by using a unique corresponding physical interface, for example, a physical interface corresponding to a multimedia interface is an HDMI interface. In order to meet the requirements of users, various physical interfaces are added to the existing computer equipment as much as possible by methods such as increasing the volume and the like. This has not only increased the mechanism design degree of difficulty, influenced product appearance, has increaseed production assembly cost simultaneously, and to the user simultaneously, not all functional interface all can use, and this has also caused the waste in the intangible. Therefore, a multiplex interface capable of integrating multiple physical interfaces into one physical interface is available in the market, but the situations of poor compatibility and unstable signals often occur.
Disclosure of Invention
The utility model discloses problem to prior art provides a communication device through on-off control, and it is more stable to have better compatibility and output signal.
In order to solve the technical problem, the utility model discloses a following technical scheme: a communication device controlled by a switch comprises a shell, wherein a PCB is fixed in the shell, and a control chip U1, a first HDMI interface, a second HDMI interface, a third HDMI interface and a self-locking switch are fixed on the PCB;
the input/output port of first HDMI interface is connected with control chip U1's input/output port, the input/output port of second HDMI interface is connected with control chip U1's input/output port, the input/output port of third HDMI interface is connected with control chip U1's input/output port, first HDMI interface passes through control chip U1 and forms first signal channel with the third HDMI interface, the second HDMI interface passes through control chip U1 and forms the second signal channel with the third HDMI interface, self-locking switch's control port and control chip U1's passageway selection port are connected, self-locking switch includes first selection port and second selection port, first selection port ground connection, the second selection port is connected with the power.
Preferably, a light emitting diode D5 and a light emitting diode D6 are further fixed on the PCB, an anode of the light emitting diode D5 is connected to a power supply, a cathode of the light emitting diode D5 is connected to a control port of the self-locking switch, an anode of the light emitting diode D6 is connected to the control port of the self-locking switch, and a cathode of the light emitting diode D6 is grounded.
Preferably, still be fixed with the USB power module that is used for the computer product power supply on the PCB board, the USB power module includes Mirco USB interface, diode D4, resistance R20 and emitting diode D7, the voltage connection pin of Mirco USB interface is connected with diode D4's positive pole, diode D4's negative pole is connected with the power, diode D4's positive pole is connected with emitting diode D7's positive pole through resistance R20, emitting diode D7's negative pole ground connection, the ground connection pin ground connection of Mirco USB interface.
Preferably, a power module is further arranged on the PCB, the power module includes a voltage reducer U2, a capacitor C2, a capacitor C3, a capacitor C7 and a capacitor C8, a voltage input end of the voltage reducer U2 is connected with an external power supply, a voltage input end of the voltage reducer U2 is grounded through the capacitors C2 and C3 which are connected in parallel, and a voltage output end of the voltage reducer U2 is grounded through the capacitors C7 and C8 which are connected in parallel.
Preferably, the shell includes main shell, preceding baffle and backplate, preceding baffle is equipped with the first through-hole that is used for making first HDMI interface and second HDMI interface and the outside intercommunication of shell, the backplate is equipped with the second through-hole that is used for making third HDMI interface and the outside intercommunication of shell.
Preferably, a keycap is arranged on the self-locking switch, a third through hole for allowing the keycap to pass through and two fourth through holes for transmitting light are formed in the top of the main shell, and the two fourth through holes are respectively formed above the light emitting diode D5 and the light emitting diode D6.
Preferably, the fourth through hole is provided with an installation groove, and an acrylic plate is arranged in the installation groove.
Preferably, a clamping groove for clamping the PCB is formed in the main shell.
The utility model has the advantages that:
the utility model provides a pair of communication device through on-off control, the first passageway that forms first HDMI interface and third HDMI interface and the second passageway that second HDMI interface and third HDMI interface formed freely switch, realize different signal channel transmission, transmit data signal according to the demand conversion, make this communication device's compatibility higher, and simultaneously, be the PCB board power supply through external power source, make first HDMI interface, the feeder end power of second HDMI interface and third HDMI interface is stable, can be with guaranteeing first HDMI interface, second HDMI interface and third HDMI interface can the steady operation, also make this communication device signal transmission more stable.
Drawings
Fig. 1 is a schematic view of the exploded structure of the present invention.
Fig. 2 is a schematic circuit diagram of the control chip U1 of the present invention.
Fig. 3 is a schematic circuit diagram of a first HDMI interface according to the present invention.
Fig. 4 is a schematic circuit diagram of a second HDMI interface according to the present invention.
Fig. 5 is a schematic circuit diagram of a third HDMI interface according to the present invention.
Fig. 6 is a schematic circuit diagram of the self-locking switch of the present invention.
Fig. 7 is a schematic circuit diagram of the led D5 according to the present invention.
Fig. 8 is a schematic circuit diagram of the led D6 according to the present invention.
Fig. 9 is a schematic circuit diagram of the USB power supply module of the present invention.
Fig. 10 is a schematic circuit diagram of a power module according to the present invention.
The reference numerals in fig. 1 to 10 include:
1-shell, 11-main shell, 12-front baffle, 13-rear baffle, 14-first through hole, 15-second through hole, 16-third through hole, 17-fourth through hole, 18-mounting groove, 19-acrylic plate, 20-clamping groove, 2-PCB, 3-first HDMI interface, 4-second HDMI interface, 5-third HDMI interface, 6-self-locking switch, 61-key cap, 7-USB power supply module, 71-Mirco USB interface, and 8-power supply module.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.
The communication device controlled by the switch provided by this embodiment, as shown in fig. 1 to 8, includes a housing 1, a PCB 2 is fixed in the housing 1, and a control chip U1, a first HDMI interface 3, a second HDMI interface 4, a third HDMI interface 5, and a self-locking switch 6 are fixed on the PCB 2; the input/output port of the first HDMI interface 3 is connected with the input/output port of the control chip U1, the input/output port of the second HDMI interface 4 is connected with the input/output port of the control chip U1, the input/output port of the third HDMI interface 5 is connected with the input/output port of the control chip U1, the first HDMI interface 3 forms a first signal channel with the third HDMI interface 5 through the control chip U1, the second HDMI interface 4 forms a second signal channel with the third HDMI interface 5 through the control chip U1, the control port of the self-locking switch 6 is connected with the channel selection port of the control chip U1, the self-locking switch 6 includes a first selection port and a second selection port, the first selection port is grounded, and the second selection port is connected with the power supply; further, a light emitting diode D5 and a light emitting diode D6 are fixed on the PCB 2, an anode of the light emitting diode D5 is connected to a power supply, a cathode of the light emitting diode D5 is connected to a control port of the self-locking switch 6, an anode of the light emitting diode D6 is connected to the control port of the self-locking switch 6, and a cathode of the light emitting diode D6 is grounded. Preferably, the control chip U1 employs a 12-channel multiplexer model TS3DV 642.
Specifically, this communications device is preferred to adopt first HDMI interface 3, second HDMI interface 4 and the three interface of third HDMI interface 5 to carry out signal transmission, and the connecting pin of first HDMI interface 3 and second HDMI interface 4 all is connected with the corresponding input/output port of control chip U1 one side, and the connecting pin of third HDMI interface 5 is connected with the corresponding input/output port of control chip U1 opposite side, and control chip U1 is 1: 2, the channel selection port of the control chip U1 can be changed to select the first channel formed by the first HDMI interface 3 and the third HDMI interface 5 or the second channel formed by the second HDMI interface 4 and the third HDMI interface 5, so that the communication device has two operating states, the first one is: the third HDMI 5 is used as a signal input end, the first HDMI 3 and the second HDMI 4 are two signal output ends, when the control port of the self-locking switch 6 is connected with the first selection port, the light emitting diode D5 emits light at the moment, the control chip U1 selects the first HDMI 3 as the signal output end, namely, after the signal is input through the third HDMI 5, the signal is output through the first HDMI 3, and at the moment, the second HDMI 4 does not output the signal, when the control port of the self-locking switch 6 is connected with the second selection port, the light emitting diode D6 emits light at the moment, the control chip U1 selects the second HDMI 4 as the signal output end, and at the moment, the first HDMI 3 does not output the signal, so that data can be freely selected to be transmitted to a product connected with the first HDMI 3 or a product connected with the second HDMI 4; the second state is that the first HDMI interface 3 and the second HDMI interface 4 are signal input terminals, the third HDMI interface 5 is a signal output terminal, when the control port of the self-locking switch 6 is connected to the first selection port, the light emitting diode D5 emits light, the output signal of the third HDMI interface 5 comes from the input signal of the first HDMI interface 3, when the control port of the self-locking switch 6 is connected to the second selection port, the light emitting diode D6 emits light, the output signal of the third HDMI interface 5 comes from the input signal of the second HDMI interface 4, and therefore when there are multiple input signals, the source of the output signal can be freely selected through the communication device.
As shown in fig. 3, 4 and 5, the voltage input terminals of the first HDMI interface 3, the second HDMI interface 4 and the third HDMI interface 5 are all connected to an external power source, and a diode D1, a diode D2 and a diode D3 are connected between the voltage input terminals of the first HDMI interface 3, the second HDMI interface 4 and the third HDMI interface 5 and the external power source, respectively, so that the input voltage is stabilized through the diode D1, the diode D2 and the diode D3, and the condition that the first HDMI interface 3, the second HDMI interface 4 or the third HDMI interface 5 is damaged due to an excessive input current can be prevented.
This communication device, freely switch the first passageway that first HDMI interface 3 and third HDMI interface 5 formed and the second passageway that second HDMI interface 4 and third HDMI interface 5 formed, realize the transmission of different signal channel, according to demand conversion transmission data signal, make this communication device's compatibility higher, and simultaneously, supply power for PCB board 2 through external power source, make first HDMI interface 3, the feeder end power of second HDMI interface 4 and third HDMI interface 5 stable, can be with guaranteeing first HDMI interface 3, second HDMI interface 4 and third HDMI interface 5 can the steady operation, also make this communication device signal transmission more stable.
The communication device controlled by the switch provided by the embodiment, as shown in fig. 1 and 9, the PCB 2 is further fixed with a USB power supply module 7 for supplying power to a computer product, the USB power supply module 7 includes a Mirco USB interface 71, a diode D4, a resistor R20 and a light emitting diode D7, a voltage connection pin of the Mirco USB interface 71 is connected with an anode of the diode D4, a cathode of the diode D4 is connected with a power supply, an anode of the diode D4 is connected with an anode of the light emitting diode D7 through a resistor R20, a cathode of the light emitting diode D7 is grounded, and a ground connection pin of the Mirco USB interface 71 is grounded.
Specifically, when the power supply of products such as a computer connected with the communication device is insufficient, the connection between the computer and the communication device can be realized through the Mirco USB interface 71, and the power is supplied to the computer.
The communication device through switch control that this embodiment provided, as in fig. 10, still be equipped with power module 8 on the PCB board 2, power module 8 includes step-down transformer U2, electric capacity C2, electric capacity C3, electric capacity C7 and electric capacity C8, external power source is connected to step-down transformer U2's voltage input end, and step-down transformer U2's voltage input end is earthed after parallelly connected electric capacity C2 and electric capacity C3, and step-down transformer U2's voltage output end is earthed after parallelly connected electric capacity C7 and electric capacity C8.
Specifically, a plurality of power supply voltages are required on the PCB 2, so that the voltage of the external power supply is adjusted by the step-down of the step-down device U2 of the power module 8, and a voltage value suitable for the control chip U1 and the like is output, thereby ensuring the normal operation of the PCB 2.
In the communication device controlled by the switch provided in this embodiment, as shown in fig. 1, the housing 1 includes a main casing 11, a front bezel 12 and a rear bezel 13, the front bezel 12 is provided with a first through hole 14 for communicating the first HDMI interface 3 and the second HDMI interface 4 with the outside of the housing 1, the rear bezel 13 is provided with a second through hole 15 for communicating the third HDMI interface 5 with the outside of the housing 1, the self-locking switch 6 is provided with a key cap 61, the top of the main casing 11 is provided with a third through hole 16 for allowing the key cap 61 to pass through and two fourth through holes 17 for transmitting light, and the two fourth through holes 17 are respectively disposed above the light emitting diode D5 and the light emitting diode D6; an installation groove 18 is formed in the fourth through hole 17, and an acrylic plate 19 is installed in the installation groove 18; further, a clamping groove 20 for clamping the PCB 2 is arranged in the main shell 11.
Specifically, the housing 1 is configured to be a structure convenient for mounting the PCB 2, the PCB 2 can be removed or mounted or the working condition of the PCB 2 can be checked only by disassembling the front baffle 12 or the rear baffle 13, and the PCB 2 can be mounted by clamping the PCB 2 into the clamping grooves 20 at the two sides of the main housing 11; this communication device during operation, user's accessible key cap 61 control self-locking switch 6 open or closed, and then control this communication device's operating condition, the light that emitting diode D5 and emitting diode D6 sent is passed through by fourth through hole 17, and the signal channel of the present work of suggestion user of being convenient for sets up inferior gram force board 19 and can make the light that fourth through hole 17 passed through softer.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.
Claims (8)
1. A communication device controlled by a switch comprises a shell, and is characterized in that: a PCB is fixed in the shell, and a control chip U1, a first HDMI interface, a second HDMI interface, a third HDMI interface and a self-locking switch are fixed on the PCB;
the input/output port of first HDMI interface is connected with control chip U1's input/output port, the input/output port of second HDMI interface is connected with control chip U1's input/output port, the input/output port of third HDMI interface is connected with control chip U1's input/output port, first HDMI interface passes through control chip U1 and forms first signal channel with the third HDMI interface, the second HDMI interface passes through control chip U1 and forms the second signal channel with the third HDMI interface, self-locking switch's control port and control chip U1's passageway selection port are connected, self-locking switch includes first selection port and second selection port, first selection port ground connection, the second selection port is connected with the power.
2. The switch-controlled communication device according to claim 1, wherein: the PCB is further fixed with a light emitting diode D5 and a light emitting diode D6, the anode of the light emitting diode D5 is connected with a power supply, the cathode of the light emitting diode D5 is connected with the control port of the self-locking switch, the anode of the light emitting diode D6 is connected with the control port of the self-locking switch, and the cathode of the light emitting diode D6 is grounded.
3. The switch-controlled communication device according to claim 1, wherein: still be fixed with the USB power module that is used for the computer product power supply on the PCB board, the USB power module includes Mirco USB interface, diode D4, resistance R20 and emitting diode D7, the voltage connection pin of Mirco USB interface is connected with diode D4's positive pole, diode D4's negative pole is connected with the power, diode D4's positive pole is passed through resistance R20 and is connected with emitting diode D7's positive pole, emitting diode D7's negative pole ground connection, the ground connection pin ground connection of Mirco USB interface.
4. The switch-controlled communication device according to claim 1, wherein: still be equipped with power module on the PCB board, power module includes step-down transformer U2, electric capacity C2, electric capacity C3, electric capacity C7 and electric capacity C8, external power source is connected to step-down transformer U2's voltage input end, and step-down transformer U2's voltage input end is earthed after through parallelly connected electric capacity C2 and electric capacity C3, and step-down transformer U2's voltage output end is earthed behind parallelly connected electric capacity C7 and electric capacity C8.
5. The switch-controlled communication device according to claim 2, wherein: the shell includes main shell, preceding baffle and backplate, preceding baffle is equipped with the first through-hole that is used for making first HDMI interface and second HDMI interface and the outside intercommunication of shell, the backplate is equipped with the second through-hole that is used for making third HDMI interface and the outside intercommunication of shell.
6. The switch-controlled communication device according to claim 5, wherein: the self-locking switch is provided with a keycap, the top of the main shell is provided with a third through hole for the keycap to pass through and two fourth through holes for transmitting light, and the fourth through holes are respectively arranged above the light emitting diode D5 and the light emitting diode D6.
7. The switch-controlled communication device according to claim 6, wherein: and the fourth through hole is provided with a mounting groove, and an acrylic plate is arranged in the mounting groove.
8. The switch-controlled communication device according to claim 5, wherein: a clamping groove used for clamping the PCB is formed in the main shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920512285.5U CN210092511U (en) | 2019-04-15 | 2019-04-15 | Communication device controlled by switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920512285.5U CN210092511U (en) | 2019-04-15 | 2019-04-15 | Communication device controlled by switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210092511U true CN210092511U (en) | 2020-02-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920512285.5U Active CN210092511U (en) | 2019-04-15 | 2019-04-15 | Communication device controlled by switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210092511U (en) |
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2019
- 2019-04-15 CN CN201920512285.5U patent/CN210092511U/en active Active
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