CN205070417U - Dull and stereotyped all -in -one of TV - Google Patents
Dull and stereotyped all -in -one of TV Download PDFInfo
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- CN205070417U CN205070417U CN201520837047.3U CN201520837047U CN205070417U CN 205070417 U CN205070417 U CN 205070417U CN 201520837047 U CN201520837047 U CN 201520837047U CN 205070417 U CN205070417 U CN 205070417U
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Abstract
The utility model relates to a dull and stereotyped all -in -one of TV. This dull and stereotyped all -in -one of TV includes microprocessor, touch -sensitive screen circuit module, back of the body light source circuit module, camera circuit module, the radio communication circuit module, GPS circuit module, storage circuit module, the interface circuit module, the audio circuit module, DTMB circuit module, audio processor and power management module, microprocessor respectively with touch -sensitive screen circuit module, back of the body light source circuit module, camera circuit module, the radio communication circuit module, GPS circuit module, storage circuit module, the interface circuit module, DTMB circuit module, audio processor connects, audio processor and audio circuit module are connected. This dull and stereotyped all -in -one of TV not only has the function of high -power stereo set propelling movement, but also can download audio/video data by oneself to the old person sees on the limit the happy rhythm of video or listening, and take exercises on the limit.
Description
Technical field
The utility model relates to a kind of tv plateform all-in-one.
Background technology
Along with the raising of living standards of the people, the rise of high-tech product, the free life of the elderly is also more and more abundanter.The elderly can use smart mobile phone to surf the web, and panel computer can be used to watch entertainment, can use panel computer displaying video programs.The elderly can watch video in limit, while take exercises, or followed by the dancing of music rhythm limit.Because exercise of elderly people health is taken exercises often in units of a colony, this also just means that amusement equipment must possess the features such as sound is large.
The function possessed for the instrument of the elderly's amusement is at present separated, and namely otherwise can only play music exactly, or can only play the video downloaded in advance, can limit to the diverse requirements of the elderly for music or dancing video like this.
Utility model content
The utility model is in order to overcome the deficiencies in the prior art, object aims to provide a kind of tv plateform all-in-one, and this tv plateform all-in-one not only has the function that high power acoustics pushes, but also can download audio, video data voluntarily, so that the elderly sees on limit video or rhythm of listening to the music, while take exercises.
In order to solve above-mentioned technical problem, the basic technical scheme that the utility model proposes is:
Concrete, the utility model embodiment provides a kind of tv plateform all-in-one to comprise microprocessor, touch screen circuitry module, backlight circuit module, camera circuit module, radio communication circuit module, GPS circuit module, memory circuit module, interface module, acoustics circuit module, DTMB circuit module, audio process and power management module, microprocessor respectively with touch screen circuitry module, backlight circuit module, camera circuit module, radio communication circuit module, GPS circuit module, memory circuit module, interface module, DTMB circuit module, audio process connects, audio process and acoustics circuit model calling, power management module respectively and microprocessor, touch screen circuitry module, backlight circuit module, camera circuit module, radio communication circuit module, GPS circuit module, memory circuit module, acoustics circuit module, DTMB circuit module, audio process connects.
Further, described radio communication circuit module to comprise in WIFI, bluetooth, gsm communication module, cdma communication module any one or set.
Further, described interface module comprises LVDS interface circuit, MIPI interface circuit, rgb interface circuit, HDMI circuit and Audio interface.
Further, described acoustics circuit module comprises the first acoustics circuit and the second acoustics circuit, and audio process is connected with the first acoustics circuit and the second acoustics circuit respectively.
Further, described power management module comprises overvoltage crowbar, power management chip, several voltage stabilizing chips, the first electronic switch and lithium battery;
External power adapter is connected with power management chip by overvoltage crowbar, and interface module also comprises usb circuit, and usb circuit is connected with power management chip, and lithium battery is connected with power management chip;
Described memory circuit module comprises nand flash memory circuit, DDR memory circuit, TF card memory circuit and SD card memory circuit, power management chip is by the first voltage stabilizing chip and radio communication circuit model calling, be connected with camera circuit module and GPS circuit module respectively by the second voltage stabilizing chip, by the first electronic switch respectively with backlight circuit module and acoustics circuit model calling, be connected with nand flash memory circuit by the 3rd voltage stabilizing chip, by the 4th voltage stabilizing chip and touch screen circuitry model calling, be connected with TF card memory circuit and SD card memory circuit respectively by the 5th voltage stabilizing chip, be connected with DDR memory circuit by the 6th voltage stabilizing chip, be connected with audio process by the 7th voltage stabilizing chip, be connected with DTMB circuit module by the 8th voltage stabilizing chip,
Microprocessor by the first electronic switch respectively with backlight circuit module and acoustics circuit model calling.
Further, described overvoltage crowbar comprises four electric capacity, four resistance, two diodes, reference voltage comparator, a PNP triode and a P channel MOS tube; Reference voltage comparator has three pins, is respectively with reference to pole, negative electrode and anode;
One end of output respectively with the first electric capacity of usb circuit, one end of second electric capacity, one end of first resistance, one end of 3rd resistance, the emitter of PNP triode, one end of 5th resistance, the source electrode of P channel MOS tube connects, the other end of the first electric capacity and the equal ground connection of the other end of the second electric capacity, microprocessor is connected with the positive pole of the first diode, the other end of negative pole respectively with the first resistance of the first diode, one end of second resistance, the reference pole of reference voltage comparator connects, one end of the other end the respectively with four resistance of the 3rd resistance, one end of 3rd electric capacity, the negative electrode of reference voltage comparator connects, the other end of the second resistance and the equal ground connection of anode of reference voltage comparator, the base stage of PNP triode is connected with the other end of the 4th resistance and the other end of the 3rd electric capacity respectively, the collector electrode of PNP triode, the other end of the 5th resistance and the grid of P channel MOS tube are all held by the 6th resistance with being connected to, the drain electrode of P channel MOS tube is connected with the positive pole of the second diode, the source electrode of P channel MOS tube is connected with the negative pole of the second diode, the drain electrode of P channel MOS tube is also held by the 4th electric capacity with being connected to.
Further, described first diode is Schottky diode.
Further, described microprocessor adopts arm processor.
The beneficial effects of the utility model are:
1, the tv plateform all-in-one that provides of the utility model embodiment is by radio communication circuit module accesses the Internet, and the elderly can download audio/video program according to hobby.
2, the tv plateform all-in-one that the utility model embodiment provides is provided with two-way acoustics circuit, and this two-way acoustics circuit power amplifier is large, greatly facilitates the elderly's use out of doors.
3, the tv plateform all-in-one that the utility model embodiment provides is provided with DTMB circuit module, and therefore, the elderly not only can surfing, but also can appreciate TV programme.
4, the tv plateform all-in-one that the utility model embodiment provides is integrated with LVDS interface circuit, MIPI interface circuit, rgb interface circuit, HDMI circuit and Audio interface, therefore, this tv plateform all-in-one can export polytype audio-video signal.
5, the tv plateform all-in-one that the utility model embodiment provides is provided with overvoltage crowbar; when the tv plateform all-in-one charging that external adapter provides the utility model embodiment, overvoltage crowbar can prevent external power source to the problem of the excessive pressure damages of this machine.
6, the tv plateform all-in-one that the utility model embodiment provides possesses superior power-supply management system, this power management module is provided with several voltage stabilizing chips, the corresponding circuit module of each voltage stabilizing chip, such power supply structure design, the work that this power-supply management system can be reliable and stable.
Accompanying drawing explanation
The electrical block diagram of the tv plateform all-in-one that Fig. 1 provides for the utility model embodiment.
Fig. 2 is the electrical block diagram of the power management module of Fig. 1.
Fig. 3 is the circuit design principle figure of the overvoltage crowbar of Fig. 2.
Embodiment
Be described further below with reference to accompanying drawing 1 to 3 pair of the utility model, but protection range of the present utility model should do not limited with this.For convenience of description and understand the technical solution of the utility model, below illustrate that the orientation that the noun of locality used all is shown with accompanying drawing is as the criterion.
Please refer to Fig. 1, the electrical block diagram of the tv plateform all-in-one that Fig. 1 provides for the utility model embodiment.As shown in Figure 1, this tv plateform all-in-one comprises microprocessor, touch screen circuitry module, backlight circuit module, camera circuit module, radio communication circuit module, GPS circuit module, memory circuit module, interface module, acoustics circuit module, DTMB circuit module, audio process and power management module, microprocessor respectively with touch screen circuitry module, backlight circuit module, camera circuit module, radio communication circuit module, GPS circuit module, memory circuit module, interface module, DTMB circuit module, audio process connects, audio process and acoustics circuit model calling, power management module respectively and microprocessor, touch screen circuitry module, backlight circuit module, camera circuit module, radio communication circuit module, GPS circuit module, memory circuit module, acoustics circuit module, DTMB circuit module, audio process connects.Wherein, radio communication circuit module to comprise in WIFI, bluetooth, gsm communication module, cdma communication module any one or set, memory circuit module comprises nand flash memory circuit, DDR memory circuit, TF card memory circuit and SD card memory circuit, interface module comprises LVDS interface circuit, MIPI interface circuit, rgb interface circuit, HDMI circuit, Audio interface and usb circuit, and microprocessor adopts arm processor.
This tv plateform all-in-one is by radio communication circuit module accesses the Internet, and the elderly can download audio/video program according to hobby.DTMB circuit module can accept television program, and therefore, the elderly not only can surfing, but also can appreciate TV programme.This tv plateform all-in-one is also integrated with LVDS interface circuit, MIPI interface circuit, rgb interface circuit, HDMI circuit and Audio interface, and therefore, this tv plateform all-in-one can export polytype audio-video signal.
As shown in Figure 1, acoustics circuit module comprises the first acoustics circuit and the second acoustics circuit, and audio process is connected with the first acoustics circuit and the second acoustics circuit respectively.This two-way acoustics circuit power amplifier is large, greatly facilitates the elderly's use out of doors.
Please refer to Fig. 2, the electrical block diagram of the power management module of the tv plateform all-in-one that Fig. 2 provides for the utility model embodiment.As shown in Figure 2, power management module comprises overvoltage crowbar, power management chip, several voltage stabilizing chips, the first electronic switch and lithium battery.External power adapter is connected with power management chip by overvoltage crowbar; this external power adapter is toward tv plateform all-in-one input 5V; the direct current of 3A; usb circuit is connected with power management chip; usb circuit produces 5V; the direct current of 500mA transports to tv plateform all-in-one, and lithium battery is connected with power management chip, and lithium battery provides 3.7V power supply toward tv plateform all-in-one.Power management chip is by the first voltage stabilizing chip and radio communication circuit model calling, be connected with camera circuit module and GPS circuit module respectively by the second voltage stabilizing chip, by the first electronic switch respectively with backlight circuit module and acoustics circuit model calling, be connected with nand flash memory circuit by the 3rd voltage stabilizing chip, by the 4th voltage stabilizing chip and touch screen circuitry model calling, be connected with TF card memory circuit and SD card memory circuit respectively by the 5th voltage stabilizing chip, be connected with DDR memory circuit by the 6th voltage stabilizing chip, be connected with audio process by the 7th voltage stabilizing chip, be connected with DTMB circuit module by the 8th voltage stabilizing chip.Due to the corresponding circuit module of each voltage stabilizing chip, adopt such power supply structure design, the work that this power-supply management system can be reliable and stable.
Microprocessor by the first electronic switch respectively with backlight circuit module and acoustics circuit model calling.When micro-process sends effective high level signal toward the first electronic switch, the first electronic switch is in conducting state, and power management chip is at once for backlight circuit module and acoustics circuit module provide power supply.
Please refer to Fig. 3, Fig. 3 provides the circuit design principle figure of the overvoltage crowbar in power management module for the utility model embodiment.As shown in Figure 3, overvoltage crowbar comprises four electric capacity, four resistance, two diodes, reference voltage comparator U1, a PNP triode Q1 and P channel MOS tube Q2.Reference voltage comparator U1 has three pins, is respectively with reference to pole R, negative electrode K and anode A.One end of output respectively with the first electric capacity C1 of usb circuit, one end of second electric capacity C2, one end of first resistance R1, one end of 3rd resistance R3, the emitter of PNP triode Q1, one end of 5th resistance R5, the source electrode of P channel MOS tube Q2 connects, the other end of the first electric capacity C1 and the equal ground connection of the other end of the second electric capacity C2, microprocessor is connected with the positive pole of the first diode D1, the other end of negative pole respectively with the first resistance R1 of the first diode D1, one end of second resistance R2, the reference pole R of reference voltage comparator U1 connects, one end of the other end the respectively with four resistance R4 of the 3rd resistance R3, one end of 3rd electric capacity C3, the negative electrode K of reference voltage comparator U1 connects, the other end of the second resistance R2 and the equal ground connection of anode A of reference voltage comparator U1, the base stage of PNP triode Q1 is connected with the other end of the 4th resistance R4 and the other end of the 3rd electric capacity C3 respectively, the collector electrode of PNP triode Q1, the other end of the 5th resistance R5 and the grid of P channel MOS tube Q2 are all held by the 6th resistance R6 with being connected to, the drain electrode of P channel MOS tube Q2 is connected with the positive pole of the second diode D2, the source electrode of P channel MOS tube Q2 is connected with the negative pole of the second diode D2, the drain electrode of P channel MOS tube Q2 is also held by the 4th electric capacity C4 with being connected to.Wherein, the first diode D1 is Schottky diode.
The reference voltage of reference voltage comparator U1 inside containing a 2.5V.When reference edge R introduces output feedack, reference voltage comparator U1 can pass through from negative electrode K to the shunting of anode A wide range, control output voltage, wherein, the output voltage of reference voltage comparator U1 utilizes the first resistance R1 and the second resistance R2 just can at random be set to from the reference voltage of 2.5V to any value within the scope of 36V.The resistance of the first resistance R1 of the present embodiment is 8.2K, and the resistance of the second resistance R2 is 6.8K, and the maximum voltage value limited by the output voltage of reference voltage comparator U1, namely overpressure value is
According to formula: V
protect=2.5V* (R1+R2)/R2
Obtain V
proteet=5.5V.
The present embodiment is that an embodiment is introduced with 5.5V overvoltage crowbar, and the resistance that certainly can also adjust the first resistance R1 and the second resistance R2 carries out overvoltage protection to different input voltage.
The operation principle of the present embodiment overvoltage crowbar: when the voltage inputted from adapter is more than 5.5V; originally also be followed by by the electric current of reference voltage comparator U1 and become large; but also increased by the shunting of reference voltage comparator U1; because profound and negative feedbck is carried out in reference voltage comparator U1 inside; the reference voltage of reference voltage comparator U1 remains unchanged, and therefore this overvoltage crowbar can make input voltage remain on below 5.5V.Overvoltage crowbar can prevent external power source to the problem of the excessive pressure damages of this machine.The setting of the second diode D2 is the situation generation punctured to prevent P channel MOS tube Q2 to be reversed, and plays the effect of a pressure release.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change above-mentioned execution mode and revise.Therefore, the utility model is not limited to embodiment disclosed and described above, also should fall in the protection range of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (8)
1. a tv plateform all-in-one, it is characterized in that: comprise microprocessor, touch screen circuitry module, backlight circuit module, camera circuit module, radio communication circuit module, GPS circuit module, memory circuit module, interface module, acoustics circuit module, DTMB circuit module, audio process and power management module, microprocessor respectively with touch screen circuitry module, backlight circuit module, camera circuit module, radio communication circuit module, GPS circuit module, memory circuit module, interface module, DTMB circuit module, audio process connects, audio process and acoustics circuit model calling, power management module respectively and microprocessor, touch screen circuitry module, backlight circuit module, camera circuit module, radio communication circuit module, GPS circuit module, memory circuit module, acoustics circuit module, DTMB circuit module, audio process connects.
2. a kind of tv plateform all-in-one according to claim 1, is characterized in that: described radio communication circuit module to comprise in WIFI, bluetooth, gsm communication module, cdma communication module any one or set.
3. a kind of tv plateform all-in-one according to claim 1, is characterized in that: described interface module comprises LVDS interface circuit, MIPI interface circuit, rgb interface circuit, HDMI circuit and Audio interface.
4. a kind of tv plateform all-in-one according to claim 1, is characterized in that: described acoustics circuit module comprises the first acoustics circuit and the second acoustics circuit, and audio process is connected with the first acoustics circuit and the second acoustics circuit respectively.
5. a kind of tv plateform all-in-one according to claim 1, is characterized in that: described power management module comprises overvoltage crowbar, power management chip, several voltage stabilizing chips, the first electronic switch and lithium battery:
External power adapter is connected with power management chip by overvoltage crowbar, and interface module also comprises usb circuit, and usb circuit is connected with power management chip, and lithium battery is connected with power management chip;
Described memory circuit module comprises nand flash memory circuit, DDR memory circuit, TF card memory circuit and SD card memory circuit, power management chip is by the first voltage stabilizing chip and radio communication circuit model calling, be connected with camera circuit module and GPS circuit module respectively by the second voltage stabilizing chip, by the first electronic switch respectively with backlight circuit module and acoustics circuit model calling, be connected with nand flash memory circuit by the 3rd voltage stabilizing chip, by the 4th voltage stabilizing chip and touch screen circuitry model calling, be connected with TF card memory circuit and SD card memory circuit respectively by the 5th voltage stabilizing chip, be connected with DDR memory circuit by the 6th voltage stabilizing chip, be connected with audio process by the 7th voltage stabilizing chip, be connected with DTMB circuit module by the 8th voltage stabilizing chip,
Microprocessor by the first electronic switch respectively with backlight circuit module and acoustics circuit model calling.
6. a kind of tv plateform all-in-one according to claim 5, is characterized in that: described overvoltage crowbar comprises four electric capacity, four resistance, two diodes, reference voltage comparator, a PNP triode and a P channel MOS tube; Reference voltage comparator has three pins, is respectively with reference to pole, negative electrode and anode;
One end of output respectively with the first electric capacity of usb circuit, one end of second electric capacity, one end of first resistance, one end of 3rd resistance, the emitter of PNP triode, one end of 5th resistance, the source electrode of P channel MOS tube connects, the other end of the first electric capacity and the equal ground connection of the other end of the second electric capacity, microprocessor is connected with the positive pole of the first diode, the other end of negative pole respectively with the first resistance of the first diode, one end of second resistance, the reference pole of reference voltage comparator connects, one end of the other end the respectively with four resistance of the 3rd resistance, one end of 3rd electric capacity, the negative electrode of reference voltage comparator connects, the other end of the second resistance and the equal ground connection of anode of reference voltage comparator, the base stage of PNP triode is connected with the other end of the 4th resistance and the other end of the 3rd electric capacity respectively, the collector electrode of PNP triode, the other end of the 5th resistance and the grid of P channel MOS tube are all held by the 6th resistance with being connected to, the drain electrode of P channel MOS tube is connected with the positive pole of the second diode, the source electrode of P channel MOS tube is connected with the negative pole of the second diode, the drain electrode of P channel MOS tube is also held by the 4th electric capacity with being connected to.
7. a kind of tv plateform all-in-one according to claim 6, is characterized in that: described first diode is Schottky diode.
8. a kind of tv plateform all-in-one according to claim 1, is characterized in that: described microprocessor adopts arm processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520837047.3U CN205070417U (en) | 2015-10-27 | 2015-10-27 | Dull and stereotyped all -in -one of TV |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520837047.3U CN205070417U (en) | 2015-10-27 | 2015-10-27 | Dull and stereotyped all -in -one of TV |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205070417U true CN205070417U (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520837047.3U Expired - Fee Related CN205070417U (en) | 2015-10-27 | 2015-10-27 | Dull and stereotyped all -in -one of TV |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205070417U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105262073A (en) * | 2015-10-27 | 2016-01-20 | 深圳市鑫华邦科技有限公司 | Television and flat PC integrated machine |
| CN106899884A (en) * | 2017-02-22 | 2017-06-27 | 安徽井利电子有限公司 | A kind of television set direct radiator type dynamic loudspeaker intelligence control system |
-
2015
- 2015-10-27 CN CN201520837047.3U patent/CN205070417U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105262073A (en) * | 2015-10-27 | 2016-01-20 | 深圳市鑫华邦科技有限公司 | Television and flat PC integrated machine |
| CN106899884A (en) * | 2017-02-22 | 2017-06-27 | 安徽井利电子有限公司 | A kind of television set direct radiator type dynamic loudspeaker intelligence control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20161027 |