CN202918408U - A signal converting device and a displaying device using the same - Google Patents
A signal converting device and a displaying device using the same Download PDFInfo
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- CN202918408U CN202918408U CN 201220646807 CN201220646807U CN202918408U CN 202918408 U CN202918408 U CN 202918408U CN 201220646807 CN201220646807 CN 201220646807 CN 201220646807 U CN201220646807 U CN 201220646807U CN 202918408 U CN202918408 U CN 202918408U
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Abstract
The utility model belongs to the field of signal transmission technology and specifically discloses a signal converting device and a displaying device using the same. The signal switching device comprises a SCART terminal, a HDMI terminal, converting wires connected between the SCART terminal and the HDMI terminal. One-to-one correspondence connection is established between N pins in the SCART terminal and N pins in the HDMI terminals by respective independent converting wires so that accurate audio-video signal transmission is achieved. The N pins in the SCART terminal are defined to be used for respectively transmitting audio signals, video signals, and control signals. One-to-one correspondence connection is also established between M signal ground pins in the SCART terminal and M grounding pins in the HDMI terminals by respective independent converting wires. The housing ground pin defined in the SCART terminal is connected with the housing ground pin of the HDMI terminal by an independent converting wire. SCART signals are transmitted via the HDMI terminal so that a SCART video interface function on an ultrathin television set is achieved.
Description
Technical field
The utility model belongs to the signal transmission technology field, the display unit that is specifically related to a kind of signal converting equipment and can uses described signal converting equipment.
Background technology
The SCART interface is the audio-video interface that European mandatory requirement is used for the interconnection and interflow on television set and other audio ﹠ video equipment.The SCART interface of standard is 21 needle connectors, and it is several to have defined vision signal, audio signal, control signal, ground wire and data wire in this 21 pin.The SCART interface can be used to transmit the vision signals such as CVBS and interlacing rgb signal, also can be used for transmitting stereo audio signal.
At present, the thickness of normally used SCART terminal is that 16mm, length are 70mm on the TV, takies on the one hand larger PCB space, inadaptable demand to the more and more higher integrated degree of pcb board; Can't comply with on the other hand market to the demand of the ultra-thin outward appearance of TV.
The utility model content
The utility model embodiment is large in order to solve in the prior art SCART socket volume, can't satisfy the problem of ultra-thin television development requires, a kind of signal converting equipment has been proposed, by utilizing patchcord and HDMI terminal, transmit the SCART interface signal, and then realize the SCART video interface function on the ultra-thin type display unit.
The utility model to achieve these goals, the technical scheme that adopts is:
A kind of signal converting equipment, comprise SCART terminal, HDMI terminal and be connected to the SCART terminal and the HDMI terminal between patchcord; The pin that N road in the SCART terminal is respectively applied to transmission of audio signal, vision signal and control signal separately by one independently the N road pin in patchcord and the HDMI terminal connect one to one; M road signal ground pin in the SCART terminal separately by one independently the M road ground pin of patchcord and HDMI terminal connect one to one; Shell ground pin in the SCART terminal by one independently patchcord be connected with the shell ground pin of HDMI terminal; Wherein, N, M are the natural number greater than 1.
Preferably, described N road pin is respectively the right audio channel output pin, the right audio channel input pin, L channel audio frequency output pin, L channel audio input pin, three road R, G, B signal input tube pin, AV signal input tube pin, AV signal output pin, functional mode base pin selection, and RGB control pin.
Preferably, described M road signal ground pin is respectively audio signal ground pin, three road R, G, B signal ground pin, blanking signal ground pin, AV output signal ground pin and AV input signal ground pin.
Preferably, the transmission of the two paths of data in described SCART terminal pin suspends.
Preferably, in the pin of described N road, it is inner that right audio channel output pin and L channel audio frequency output pin are in same shielding conductor layer, it is inner that right audio channel input pin and L channel audio input pin are in same shielding conductor layer, it is inner that G signal input tube pin and B signal input tube pin are in same shielding conductor layer, it is inner that functional mode base pin selection and RGB control pin are in same shielding conductor layer, and it is inner that AV signal input tube pin and AV signal output pin are in same shielding conductor layer.
Preferably, described N equals 11, M equals 7.
Preferably, described HDMI terminal comprises 19 road pins, 11 tunnel pins that are respectively applied to transmission of audio signal, vision signal and control signal wherein, and 7 tunnel ground pin also have 1 road pin to suspend.
Preferably, described HDMI terminal adopts the miniHDMI terminal.
Preferably, also comprise a miniHDMI socket adaptive with described miniHDMI terminal, the miniHDMI socket is arranged on the pcb board.
The utility model also provides display unit, possesses the HDMI terminal is arranged, and uses above-mentioned a kind of signal converting equipment, and described display unit is light-emitting diode display or LCD display.
Compared with prior art, the advantage that has of the utility model is:
The signal converting equipment that the utility model is addressed, utilize patchcord and HDMI terminal to transmit the SCART interface signal, because the socket volume is little, can save the PCB space that takies, overcome the deficiency that can't dispose the SCART terminal in the prior art on the ultra-thin type, realize the SCART video interface function on the ultra-thin television, satisfy television set to the requirement of ultra-thin future development, can reduce the development cost of complete machine simultaneously; The HDMI terminal is as a standard port, disposes on the electronic product of HDMI port so that signal converting equipment can be applied to except television set other, is beneficial to the expansion that realizes the SCART interface function.
Description of drawings
Fig. 1 is the structural representation of a kind of signal converting equipment among the utility model embodiment;
Fig. 2 is the cross-sectional view of patchcord among Fig. 1;
Fig. 3 is the pin schematic diagram of SCART terminal among Fig. 1;
Fig. 4 be with Fig. 3 in the miniHDMI terminal pin schematic diagram of the corresponding connection of each pin of SCART terminal;
Fig. 5 is the wiring schematic diagram of SCART terminal and miniHDMI terminal among the utility model embodiment.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and embodiment:
As shown in Figure 1, 2, the utility model utilizes patchcord to realize the signal converting of SCART terminal CN1 and HDMI terminal CN2 by proposing a kind of signal converting equipment, and then realizes the SCART terminal interface function on the television set.The number of pins of SCART terminal CN1 is 21 pin, wherein, there is the two paths of data pin in signals transmission, not use, therefore utilizable number of pins is 19 road pins, and realize that with described SCART terminal CN1 the number of pins of the HMDI terminal CN2 of switching is 19 pin, can consider the multiple signals transmission pin of the multiple signals pin of SCART terminal and signal ground pin and HDMI terminal and ground pin are connected one to one by patchcord independently separately, the signal converting equipment that the utility model embodiment addresses, line configuring is convenient, is beneficial to realization.
For so that the SCART interface signal, can both effectively transmit by the HDMI terminal, need to redefine for the pin definitions of SCART terminal CN1 each pin to HDMI terminal CN2, namely be respectively applied to the pin of transmission of audio signal, vision signal and control signal for the N road that defines in the SCART terminal, on the HDMI terminal, also define correspondingly the identical pin of N road function, and separately by one independently patchcord connect one to one.Comprise two paths of data transmission pin in the SCART terminal, this two paths of data pin can be suspended, the M road signal ground pin of SCART terminal, also separately by one independently the ground pin of patchcord and HDMI terminal connect one to one.The shell ground pin that defines in the SCART terminal then need by one independently patchcord be connected with the shell ground pin of HDMI terminal.
N road signal pin in the SCART terminal and M road signal ground pin all can connect one to one by N road signal pin and a M road ground pin that independently defines in patchcord and the HDMI terminal, and line configuring is convenient, be beneficial to realization.
Elaborate concrete line configuring structure and the operation principle of signal converting equipment below in conjunction with specific embodiment:
As shown in Figure 3, the SCART terminal, operated by rotary motion has 21 road pins, 11 road pins wherein are used for the transmission of audio signal, vision signal and control signal, be N=11, right channel sound output pin Audio_O_R (1 pin), right audio channel input pin Audio_I_R (2 pin), L channel audio frequency output pin Audio_O_L (3 pin), L channel audio input pin Audio_I_L (6 pin), B signal input tube pin Blue_In (7 pin), G signal input tube pin Green_In (11 pin), R signal input tube pin Red_In (15 pin), AV signal output pin AV_out (19 pin), AV signal input tube pin AV_in (20 pin), functional mode base pin selection FS (8 pin) and RGB control pin FB (16 pin).
2 circuit-switched data transmission pin Comms_dada1 (12 pin), Comms_dada2 (10 pin) generally do not use, so general ground connection or suspend does not connect.
7 the tunnel are used for the signal ground pin of the interference of shielding different audio-video signal generation, be M=7, audio signal ground pin Ground_Audio (4 pin), R, G, B signal ground pin Ground_Blue (5 pin), Ground_Green (9 pin), Ground_Red (13 pin), blanking signal ground pin round_blanking (14 pin), be used for the AV output signal ground pin Ground_AVo (17 pin) of the interference that shielding AV_out signal produces and be used for the AV input signal ground pin Ground_AVi (18 pin) of the interference that shielding AV_in signal produces; 1 road shell ground pin Ground (21 pin).
Certainly, different its interface definitions of SCART terminal is different, and present embodiment is to adopt above-mentioned pin definition mode to describe as example.Wherein, functional mode base pin selection FS (8 pin) represents three kinds of functional modes by three kinds of level states, i.e. TV, widescreen and AV function; RGB control pin FB (16 pin) adopts two kinds of level states to represent respectively RGB and two kinds of control models of composite.By the collection to the pin high-low level, can realize the identification to the TV functions pattern.
For 8 pin, as the voltage Vpin8 of 8 pin during at 0-2V, the TV function of corresponding television set; During 5-8V, the widescreen function of corresponding television set; During 9-12V, the AV function of corresponding television set.For 16 pin, as the voltage Vpin16 of 16 pin during at 0-0.4V, corresponding RGB pattern; During 1-3V, corresponding composite pattern, i.e. CVBS pattern.
Such as Fig. 4, shown in Figure 5, realize the SCART function in order to make the HDMI terminal, present embodiment definition mode according to the SCART terminal on the HDMI terminal has also defined 11 the tunnel for the transmission of audio signal, the pin of vision signal and control signal, be right channel sound output pin Audio_O_R (1 pin), right audio channel input pin Audio_I_R (2 pin), L channel audio frequency output pin Audio_O_L (3 pin), L channel audio input pin Audio_I_L (6 pin), B signal input tube pin SC_B (7 pin), G signal input tube pin SC_G (11 pin), R signal input tube pin SC_R (15 pin), AV signal output pin AV_OUT (19 pin), AV signal input tube pin SC_CVBS_IN (12 pin), functional mode base pin selection SC-FS (8 pin) and RGB control pin SC-FB (16 pin), above-mentioned 11 road signal pins connect one to one by the patchcord pin identical with functional definition on the SCART terminal independently respectively, to realize the accurate transmission of audio-video signal.
7 road signal ground pins according to the definition of SCART terminal on the HDMI terminal have also defined 7 tunnel ground pin, i.e. 4 pin, 5 pin, 9 pin, 13 pin, 14 pin, 17 pin and 18 pin, above-mentioned 7 tunnel ground pin connect one to one by 7 road signal ground pins that define on independently patchcord and the SCART terminal respectively, play between the shielding different audio-video signal and produce the effect of disturbing.10 pin on the HDMI terminal suspend and do not connect.
Behind shell ground pin two 0 pin, 21 pin, 22 pin and the 23 pin short circuits on the HDMI terminal, by one independently shell ground pin two 1 pin of patchcord and SCART terminal definition be connected, make the shell of two-terminal can jointly be connected to large ground.
Need to prove, in the present embodiment, R channel output pin Audio_O_R (1 pin), the shielding conductor layer of L channel audio frequency output pin Audio_O_L (3 pin) is signal ground pin Ground_Blue (5 pin), right audio channel input pin Audio_I_R (2 pin), the shielding conductor layer of L channel audio input pin Audio_I_L (6 pin) is audio signal ground pin Ground_Audio (4 pin), B signal input tube pin Blue_In (7 pin), the shielding conductor layer of G signal input tube pin Green_In (11 pin) is blanking signal ground pin round_blanking (14 pin), functional mode base pin selection FS (8 pin), the shielding conductor layer of RGB control pin FB (16 pin) is signal ground pin Ground_Green (9 pin), AV signal output pin AV_out (19 pin), the shielding conductor layer of AV signal input tube pin AV_in (20 pin) is AV output signal ground pin Ground_AVo (17 pin).
The HDMI terminal of signal converting equipment preferably adopts the miniHDMI terminal, the miniHDMI terminal, and size is less for the category-A HDMI terminal that generally uses in the prior art, the easier development requires that satisfies ultra-thin television.
Address signal converting equipment in the utility model, be applied on the television set of ultra-thin types such as LED or LCD, be provided with the miniHDMI socket adaptive with the miniHMDI terminal of described signal converting equipment at the television set pcb board, the SCART terminal applications of signal converting equipment is to the electronic equipment that disposes the SCART interface, by the signal converting between SCART terminal and the miniHDMI terminal, be beneficial to the transmission that realizes audio-video signal between television set and the electronic equipment, thereby realize the SCART video interface function on the ultra-thin television.
More than; it only is preferred embodiment of the present utility model; but protection range of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range that claim was defined.
Claims (10)
1. a signal converting equipment is characterized in that, comprise SCART terminal, HDMI terminal and be connected to the SCART terminal and the HDMI terminal between patchcord;
The pin that N road in the SCART terminal is respectively applied to transmission of audio signal, vision signal and control signal separately by one independently the N road pin in patchcord and the HDMI terminal connect one to one; M road signal ground pin in the SCART terminal separately by one independently the M road ground pin of patchcord and HDMI terminal connect one to one; Shell ground pin in the SCART terminal by one independently patchcord be connected with the shell ground pin of HDMI terminal; Wherein, N, M are the natural number greater than 1.
2. a kind of signal converting equipment according to claim 1, it is characterized in that, described N road pin is respectively the right audio channel output pin, right audio channel input pin, L channel audio frequency output pin, the L channel audio input pin, three road R, G, B signal input tube pin, AV signal input tube pin, AV signal output pin, functional mode base pin selection, and RGB control pin.
3. a kind of signal converting equipment according to claim 1, it is characterized in that described M road signal ground pin is respectively audio signal ground pin, three road R, G, B signal ground pin, blanking signal ground pin, AV output signal ground pin and AV input signal ground pin.
4. a kind of signal converting equipment according to claim 2 is characterized in that, the two paths of data transmission pin in the described SCART terminal suspends.
5. a kind of signal converting equipment according to claim 2, it is characterized in that, in the pin of described N road, it is inner that right audio channel output pin and L channel audio frequency output pin are in same shielding conductor layer, it is inner that right audio channel input pin and L channel audio input pin are in same shielding conductor layer, it is inner that G signal input tube pin and B signal input tube pin are in same shielding conductor layer, it is inner that functional mode base pin selection and RGB control pin are in same shielding conductor layer, and it is inner that AV signal input tube pin and AV signal output pin are in same shielding conductor layer.
6. a kind of signal converting equipment according to claim 1 is characterized in that, described N equals 11, M equals 7.
7. according to claim 1 or 6 described a kind of signal converting equipment, it is characterized in that described HDMI terminal comprises 19 road pins, wherein 11 tunnel pins that are respectively applied to transmission of audio signal, vision signal and control signal, 7 tunnel ground pin also have 1 road pin to suspend.
8. a kind of signal converting equipment according to claim 7 is characterized in that, described HDMI terminal adopts the miniHDMI terminal.
9. a kind of signal converting equipment according to claim 8 is characterized in that, also comprises a miniHDMI socket adaptive with described miniHDMI terminal, and the miniHDMI socket is arranged on the pcb board.
10. display unit, possessing has the HDMI terminal, it is characterized in that, uses as each described a kind of signal converting equipment of above-mentioned claim 1 to 9, and described display unit is light-emitting diode display or LCD display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220646807 CN202918408U (en) | 2012-11-30 | 2012-11-30 | A signal converting device and a displaying device using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220646807 CN202918408U (en) | 2012-11-30 | 2012-11-30 | A signal converting device and a displaying device using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202918408U true CN202918408U (en) | 2013-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220646807 Expired - Lifetime CN202918408U (en) | 2012-11-30 | 2012-11-30 | A signal converting device and a displaying device using the same |
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| Country | Link |
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| CN (1) | CN202918408U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105808481A (en) * | 2016-03-03 | 2016-07-27 | 四川长虹电器股份有限公司 | Apparatus for transmitting SCART and HDMI signals by multiplexing HDMI interface |
| CN109471372A (en) * | 2019-01-04 | 2019-03-15 | 深圳市中装建设集团股份有限公司 | The intelligent connection apparatus and electronic equipment of smart home device |
-
2012
- 2012-11-30 CN CN 201220646807 patent/CN202918408U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105808481A (en) * | 2016-03-03 | 2016-07-27 | 四川长虹电器股份有限公司 | Apparatus for transmitting SCART and HDMI signals by multiplexing HDMI interface |
| CN105808481B (en) * | 2016-03-03 | 2018-08-14 | 四川长虹电器股份有限公司 | The device of HDMI interface multiplexing transmission SCART and HDMI signal |
| CN109471372A (en) * | 2019-01-04 | 2019-03-15 | 深圳市中装建设集团股份有限公司 | The intelligent connection apparatus and electronic equipment of smart home device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Patentee after: Hisense Visual Technology Co., Ltd. Address before: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Patentee before: QINGDAO HISENSE ELECTRONICS Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130501 |