CN205899493U - Low -power consumption public service intelligent terminal machine - Google Patents
Low -power consumption public service intelligent terminal machine Download PDFInfo
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- CN205899493U CN205899493U CN201620703936.5U CN201620703936U CN205899493U CN 205899493 U CN205899493 U CN 205899493U CN 201620703936 U CN201620703936 U CN 201620703936U CN 205899493 U CN205899493 U CN 205899493U
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Abstract
The utility model relates to a terminating machine field, concretely relates to low -power consumption public service intelligent terminal machine, include: power module: change external voltage, provide the operating voltage of the required various difference of terminal module, terminal module: including host system, the inside storage module, CF joint mouth, LAN interface, RS232 interface, control module, LCD, TV signal modules, audio frequency signal modules, control module, the power control module that are connected with host system, the utility model discloses can make the terminating machine consume lower work electric energy when long -time during operation is guaranteed through adjusting the low -power consumption work that power control module realized the terminating machine.
Description
Technical field
The present invention relates to terminating machine field is and in particular to a kind of low-power consumption public service smart terminal.
Background technology
At present, with scientific and technological progress, intelligent terminal is applied to the every aspect lived, such as advertisement, bank, booking system
System, public service etc., provide various information inquiries for the masses.But these terminating machines are typically distributed about flow of the people more to be collected
In place, the terminating machine of public service system is typically also disposed on government affair centre etc., terminal open for a long time needs consume big
The electric energy of amount, and the external different peripheral hardware of terminal, the power consumption being consumed is also different, when external equipment is less, such as still uses
Larger energy supply, can lead to the waste of power consumption.
Content of the invention
It is an object of the invention to: work long hours the larger problem of energy consumption for above- mentioned information terminal, the present invention provides
A kind of low power-consumption intelligent terminating machine that can make system guarantee lowest power consumption according to external equipment quantity regulating system power consumption.
The technical solution used in the present invention is as follows:
A kind of low-power consumption public service smart terminal, comprising: power module: external voltage is changed, end is provided
Various different operating voltages needed for end module；Terminal module: include main control module, the storage inside mould being connected with main control module
Block, cf card interface, lan interface, rs232 interface, control module, lcd module, tv signaling module, audio signal module, control mould
Block, power control module.Cf card interface is used for connecting cf card as external memory storage, stores the information that terminal module is play, control
Molding block generally uses touch-screen or physical button, and for the operation to terminal, tv signaling module is used for exterior of terminal is exported
Tv audio-video signal, for connecting the display device of outside, lan interface is used for connecting cable LAN, and rs232 is used for terminating machine
Carry out serial data transmission, the storage content of lcd module and audio signal module direct outlet terminal machine with other terminal devices
Video information and audio-frequency information, power control module according to external equipment quantity, the confession to terminal module for the regulation power supply module
Can, described main control module uses the risc microprocessor of signal s3c6410, and it has low cost, low-power consumption, high performance process
Device, has stronger dynamic video process, audio frequency process, 2d figure, display processing and scaling disposal ability.
Further, power module structure is:, as mains electricity input end, transformer t81's is defeated for the input of transformer t81
Go out end and connect rectifier bridge d81, the positive output end of rectifier bridge 81 connects the input of voltage stabilizing chip u81, the output of voltage stabilizing chip u81
End is connected as first voltage output end and with the input of voltage stabilizing chip u83；The negative input end of rectifier bridge d81 connects voltage stabilizing core
The input of piece u82, the output end of voltage stabilizing chip u82 is as second voltage output end；The output end of voltage stabilizing chip u83 is as
Three voltage output ends；The input of voltage stabilizing chip u81 and voltage stabilizing chip u82 and output end respectively pass through polar capacitor and electric capacity
Ground connection, the output end of voltage stabilizing chip u3 passes through polar capacitor and capacity earth, provides three kinds of different voltage outputs it is ensured that end
The normal work of the internal each module in end.
Further, internal reservoir module includes flash module, sdram, and flash module is used for storing terminal operating
Program, sdram provides the space needed for terminal operating program.
Further, power control module structure is: the negative input end of integrated transporting discharging u97a, as circuit input end, is born defeated
Enter end and be also sequentially connected resistance r94 and r93 to the positive input terminal of integrated transporting discharging u97a, the node ground connection of resistance r94 and r93, collection
The positive input terminal of one-tenth amplifier u97a is connected to the control end of rheostat r91 also by resistance r92, and the two ends of rheostat r91 are respectively
Connect first voltage output end and second voltage output end, the bias current end of integrated transporting discharging u97a connects pnp triode q95's
Colelctor electrode, the emitter stage of triode q95 connects tertiary voltage output end by resistance r97, and the base stage of triode q95 is connected to three
The emitter stage of pole pipe q92 and the colelctor electrode of triode q93, the colelctor electrode of triode q92 and base stage are connected to first voltage output
End, the base stage of triode q92 is grounded by resistance r95；It is defeated that the base stage of triode q93 is connected to first voltage by resistance r96
Go out end, the base stage of triode q93 is also connected with the colelctor electrode of triode q91, and the emitter stage of triode q93 is connected to triode q4's
The base stage of colelctor electrode, the base stage of triode q91 and triode q94 and colelctor electrode, the emitter stage of triode q91 and triode q94
Emitter stage be connected after be connected to tertiary voltage output end, the output end of integrated transporting discharging u79a is as circuit output end, pole pipe
Q91, q92, q93, q94 transistor constitutes reference bias current source, by Npn triode q95, bias current sources is being put
Greatly, mirror-image structure ensures that during circuit work, temperature influence is less, is difficult by noise jamming, by standardsizing rheostat r91 to end
Terminal power is adjusted.
In sum, due to employing technique scheme, the invention has the beneficial effects as follows:
1. make terminating machine ensure lowest power consumption according to external equipment quantity regulating system power consumption.
2. outside tv signal output is provided, outside large-scale playback equipment can be connected and enter row information broadcasting.
Brief description
Fig. 1 is the schematic diagram of the present invention；
Fig. 2 is the power module circuitry schematic diagram of the present invention；
Fig. 3 is the power control module schematic diagram of the present invention.
Specific embodiment
All features disclosed in this specification, in addition to mutually exclusive feature and/or step, all can be with any
Mode combines.
A kind of low-power consumption public service smart terminal, comprising: power module: external voltage is changed, end is provided
Various different operating voltages needed for end module；Terminal module: include main control module, the storage inside mould being connected with main control module
Block, cf card interface, lan interface, rs232 interface, control module, lcd module, tv signaling module, audio signal module, control mould
Block, visible optical module；Main control module uses the risc microprocessor of signal s3c6410.
As described in Figure 2, power module structure is: the input of transformer t81 as mains electricity input end, transformer t81's
Output end connects rectifier bridge d81, and the positive output end of rectifier bridge 81 connects the input of voltage stabilizing chip u81, voltage stabilizing chip u81 defeated
Go out end to be connected as first voltage output end and with the input of voltage stabilizing chip u83；The negative input end of rectifier bridge d81 connects voltage stabilizing
The input of chip u82, the output end of voltage stabilizing chip u82 is as second voltage output end；The output end conduct of voltage stabilizing chip u83
Tertiary voltage output end；The input of voltage stabilizing chip u81 and voltage stabilizing chip u82 and output end respectively pass through polar capacitor and electricity
Hold ground connection, the output end of voltage stabilizing chip u3 passes through polar capacitor and capacity earth.
Internal reservoir module includes flash module, sdram.
As shown in figure 3, power control module structure is: the negative input end of integrated transporting discharging u97a, as circuit input end, is born
Input is also sequentially connected resistance r94 and r93 to the positive input terminal of integrated transporting discharging u97a, and the node of resistance r94 and r93 is grounded,
The positive input terminal of integrated transporting discharging u97a is connected to the control end of rheostat r91 also by resistance r92, and the two ends of rheostat r91 are divided
Not Lian Jie first voltage output end and second voltage output end, the bias current end of integrated transporting discharging u97a connects pnp triode q95
Colelctor electrode, the emitter stage of triode q95 connects tertiary voltage output end by resistance r97, and the base stage of triode q95 is connected to
It is defeated that the emitter stage of triode q92 and the colelctor electrode of triode q93, the colelctor electrode of triode q92 and base stage are connected to first voltage
Go out end, the base stage of triode q92 is grounded by resistance r95；The base stage of triode q93 is connected to first voltage by resistance r96
Output end, the base stage of triode q93 is also connected with the colelctor electrode of triode q91, and the emitter stage of triode q93 is connected to triode q4
Colelctor electrode, the base stage of the base stage of triode q91 and triode q94 and colelctor electrode, the emitter stage of triode q91 and triode
The emitter stage of q94 is connected to tertiary voltage output end after being connected, and the output end of integrated transporting discharging u79a is as circuit output end.
Claims (4)
1. a kind of low-power consumption public service smart terminal is it is characterised in that include:
Power module: external voltage is changed, various different operating voltages needed for terminal module are provided；
Terminal module: include main control module, the storage inside module being connected with main control module, cf card interface, lan interface, rs232
Interface, control module, lcd module, tv signaling module, audio signal module, control module, power control module；Described master control
Module uses the risc microprocessor of signal s3c6410.
2. a kind of low-power consumption public service smart terminal according to claim 1 is it is characterised in that described power module
Structure is: the input of transformer t81 connects rectifier bridge d81, rectifier bridge as mains electricity input end, the output end of transformer t81
81 positive output end connects the input of voltage stabilizing chip u81, the output end of voltage stabilizing chip u81 as first voltage output end and with
The input of voltage stabilizing chip u83 connects；The negative input end of rectifier bridge d81 connects the input of voltage stabilizing chip u82, voltage stabilizing chip
The output end of u82 is as second voltage output end；The output end of voltage stabilizing chip u83 is as tertiary voltage output end；Voltage stabilizing chip
The input of u81 and voltage stabilizing chip u82 and output end respectively pass through polar capacitor and capacity earth, the output of voltage stabilizing chip u3
Polar capacitor and capacity earth are passed through in end.
3. a kind of low-power consumption public service smart terminal according to claim 1 is it is characterised in that described internal reservoir
Module includes flash module, sdram.
4. a kind of low-power consumption public service smart terminal according to claim 2 is it is characterised in that described Power Control
Modular structure is: the negative input end of integrated transporting discharging u97a as circuit input end, negative input end be also sequentially connected resistance r94 and
, to the positive input terminal of integrated transporting discharging u97a, the node ground connection of resistance r94 and r93, the positive input terminal of integrated transporting discharging u97a is also logical for r93
Cross the control end that resistance r92 is connected to rheostat r91, the two ends of rheostat r91 connect first voltage output end and second respectively
Voltage output end, the bias current end of integrated transporting discharging u97a connect pnp triode q95 colelctor electrode, triode q95 send out
Emitter-base bandgap grading connects tertiary voltage output end by resistance r97, and the base stage of triode q95 is connected to the emitter stage and three of triode q92
The colelctor electrode of pole pipe q93, the colelctor electrode of triode q92 and base stage are connected to first voltage output end, and the base stage of triode q92 is led to
Cross resistance r95 ground connection；The base stage of triode q93 is connected to first voltage output end, the base stage of triode q93 by resistance r96
It is also connected with the colelctor electrode of triode q91, the emitter stage of triode q93 is connected to the colelctor electrode of triode q4, the base of triode q91
The base stage of pole and triode q94 and colelctor electrode, the emitter stage of triode q91 is reconnected after being connected with the emitter stage of triode q94
To tertiary voltage output end, the output end of integrated transporting discharging u79a is as circuit output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620703936.5U CN205899493U (en) | 2016-07-06 | 2016-07-06 | Low -power consumption public service intelligent terminal machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620703936.5U CN205899493U (en) | 2016-07-06 | 2016-07-06 | Low -power consumption public service intelligent terminal machine |
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| Publication Number | Publication Date |
|---|---|
| CN205899493U true CN205899493U (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620703936.5U Expired - Fee Related CN205899493U (en) | 2016-07-06 | 2016-07-06 | Low -power consumption public service intelligent terminal machine |
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| CN (1) | CN205899493U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109426292A (en) * | 2017-08-29 | 2019-03-05 | 华为技术有限公司 | Multiple feed circuit |
-
2016
- 2016-07-06 CN CN201620703936.5U patent/CN205899493U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109426292A (en) * | 2017-08-29 | 2019-03-05 | 华为技术有限公司 | Multiple feed circuit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170118 Termination date: 20210706 |
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| CF01 | Termination of patent right due to non-payment of annual fee |