CN104853120A - Television set and external signal source equipment synchronous standby and startup method - Google Patents
Television set and external signal source equipment synchronous standby and startup method Download PDFInfo
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- CN104853120A CN104853120A CN201510231191.7A CN201510231191A CN104853120A CN 104853120 A CN104853120 A CN 104853120A CN 201510231191 A CN201510231191 A CN 201510231191A CN 104853120 A CN104853120 A CN 104853120A
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- television set
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Abstract
The invention provides a television set and external signal source equipment synchronous standby and startup method. According to the method, switching-on and switching-off signals of a secondary power source of a television set are adopted as synchronous standby and starting signals of external signal equipment. The method specifically includes the following steps that: when the television set enters a standby state, the secondary power source of the television set is switched off, and the sampling voltage of the secondary power source, adopted as standby signals of the external signal equipment, is transmitted to the external signal equipment; and when the television set enters an on state, the power supply of the secondary power source of the television set is recovered, and the sampling voltage of the secondary power source, adopted as startup signals of the external signal equipment, is transmitted to the external signal equipment, wherein the secondary power source of the television set is a power source which is switched off in the standby state of the television set.
Description
Technical field
The present invention relates to broadcast television technique, i.e. television set standby method with start shooting synchronous with external source device.
Background technology
In order to strengthen whole society's energy-saving and emission-reduction power, promote energy-conserving and environment-protective industry development, energy savings resource, protection of the environment; country puts into effect relevant policies in succession, such as: " 2014-2015 energy-saving and emission-reduction low carbon development action scheme " (Office of the State Council is sent out (2014) No. 23), " suggestion about accelerating development energy-conserving and environment-protective industry " (No. (2013) 30, promulgated by the State Council) etc.Current, the standby power of television receiver has been required to meet and has been less than 0.5W.But in actual use, there is a considerable amount of user to be worked together with television receiver by the source device such as Set Top Box or DVD.A lot of user, after closing television, often forgets and closes these external source equipment again.And Set Top Box and the DVD lower power that can consume 10W level in working order, only accomplish that the standby power reducing television receiver is inadequate for energy-conservation effect.If also can close Set Top Box or DVD at closing television receiver simultaneously, this will play better effect to energy-conserving and environment-protective.
As shown in Figure 1, current television set and external source equipment are two independently Circuits System, and external source equipment is only that the video-audio signal of broadcasting is passed to television set, does not control correspondence each other.Television set is when performing " standby " instruction, and the power supply of a closing television machine oneself, does not go to control external source equipment.And the MCU in external source equipment is not because receiving instruction, cannot implement synchronous with television set standby.How could realize television receiver synchronous with external source device standby? need to increase communication and control interface between television set and external source two systems.
The present invention is based on this problem and propose a kind of solution.
Summary of the invention
For prior art Problems existing, the invention provides a kind of television set standby method with start shooting synchronous with external source device, close after image enters holding state at television set and provide signal by the shutdown of its external signal device synchronization, realize energy-conservation object with a kind of simple and practical control mode.
Technical scheme of the present invention is: a kind of television set standby method with start shooting synchronous with external source device, using the secondary power supply switching signal of television set as the synchronously standby of external signal equipment and starting-up signal; That is: when television set enters holding state, its secondary power supply is closed, and the sampling voltage of secondary power supply sends external signal equipment to as the standby signal of external signal equipment; After television set enters normal boot-strap state, its secondary power supply restores electricity, and the sampling voltage of secondary power supply sends external signal equipment to as the starting-up signal of external signal equipment;
The secondary power supply of described television set is the power supply of closing under TV standby state.
Increase monitoring function in the main control chip MCU2 part of described external signal equipment, the synchronously standby and starting-up signal sent here by television set inputs the main control chip MCU2 of external signal equipment as external interrupt; MCU2, once after the standby signal that television set sends being detected, cuts off the secondary power supply of external signal equipment, enter standby mode and stop normal work, thus reduction power consumption realizes energy-conservation; MCU2, once after the starting-up signal that television set sends being detected, exit external interrupt, enters the normal work that power on mode recovers external signal equipment;
The secondary power supply of described external signal equipment is the power supply of closing under external signal device standby state.
Further, described synchronously standby be wireless transmission or wire transmission with the load mode of starting-up signal.
Further, described wireless transmission method needs increase by a pair wireless transmission and receiver module, and wireless transmitter module is arranged on TV set terminal, uses the secondary power supply of television set for its power supply; Wireless receiving module is signalling arrangement end mounted externally then, uses the primary power source of external signal equipment for its power supply; When television set normally works, its secondary power supply is powered, wireless transmitter module transmitting radio frequency signal, and after wireless receiving module receives this radiofrequency signal, notice external signal equipment main control chip MCU2 normally works; When television set quits work, its secondary power supply is not powered, and wireless transmitter module is transmitting radio frequency signal not, and after wireless receiving module does not receive this radiofrequency signal, notice external signal equipment main control chip MCU2 interruption of work enters holding state.
As preferred embodiment, described wire transmission mode connects television set and external signal equipment by cable, transmits synchronous standby and starting-up signal between television set with external signal equipment.Wire transmission mode is relatively simple, easily realizes, and additionally can not increase power consumption, hardly with increasing cost, has very strong practicality.
Further, described cable is USB transmission line.
Further, described USB transmission line has 4 pins, and wherein 1 provides 5V power supply; This 5V power supply is arranged to the secondary power supply of television set, namely closes this power supply when TV standby, start this power supply when television boot-strap; Voltage status according to this power supply judges whether television set normally works or standby; That is:, when voltage status is 5V, normally work; When voltage status is 0V, standby.
Further, because when outside signalling arrangement powers on start first, can not control by synchronous standby signal, otherwise work of cannot starting shooting.So the workflow of external signal equipment needs corresponding adjustment, the not only synchronous standby interruption of process in time in normal work, also will shield this interruption when first time starts work.So reduce the external interrupt priority of described external signal equipment, make external source equipment only under open state, respond this interruption, exit the request that this interruption also no longer responds this interruption in the standby state.
The invention has the beneficial effects as follows: close after image enters holding state at television set and provide signal by the shutdown of its external signal device synchronization, realize energy-conserving and environment-protective with a kind of simple and practical control mode.
Accompanying drawing explanation
Accompanying drawing 1: the schematic diagram of television set and the work of external source equipment when not adopting of the present invention;
Accompanying drawing 2: the schematic diagram of wireless transmission method of the present invention;
Accompanying drawing 3: the schematic diagram of wire transmission mode of the present invention;
Accompanying drawing 4: the schematic diagram of television set and Set Top Box work after employing the present invention;
Accompanying drawing 5:USB turns MINI USB line;
Accompanying drawing 6: external source equipment workflow diagram after employing the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
After television set enters holding state, only retain the primary power source (V0 in accompanying drawing 1) of powering to main control chip MCU1, all the other power supplys (V1, V2 in accompanying drawing 1) generally all can be closed, and these power supplys are generally referred to as " secondary power supply ".Same, after external source equipment enters holding state, only retain the primary power source (V0 ' in accompanying drawing 1) of powering to MCU2, secondary power supply (V1 ' in accompanying drawing 1, V2 ') generally all can be closed.
The secondary power supply of television set can send external source equipment as synchronously standby to starting-up signal.When television set enters holding state, when its secondary power supply is closed, sampling voltage sends external source equipment to as standby signal.After television set enters normal boot-strap state, secondary power supply restores electricity, and sampling voltage can send external source equipment to as starting-up signal.Need to increase monitoring function in the main control chip MCU2 part of outside source device, television set is sent here synchronous standby signal and is inputted MCU2 as external interrupt by its GPIO mouth pin.MCU2, once after the standby signal that television set sends being detected, cuts off external source equipment secondary power supply, enter standby mode and stop normal work, thus reduction power consumption realizes energy-conservation.MCU2, once after " start " signal that television set sends being detected, exit external interrupt, enters power on mode and recovers this equipment and normally work.
Synchronously standbyly can be divided into wireless transmission or wire transmission two kinds with the load mode of starting-up signal.
Accompanying drawing 2 is schematic diagrames that the present invention adopts wireless transmission method.Wireless transmission method needs increase by a pair wireless transmission/reception module, and transmitter module is arranged on TV set terminal, uses secondary power supply for its power supply; Receiver module is source device end mounted externally then, uses primary power source for its power supply.When television set normally works, its secondary power supply is powered, transmitter module transmitting radio frequency signal, and after receiver module receives this radiofrequency signal, notice MCU2 normally works; When television set quits work, its " secondary power supply " does not power, and transmitter module is transmitting radio frequency signal not, after receiver module does not receive this radiofrequency signal, and notice MCU2 interruption of work.Because wireless module itself also needs consumed power, need the requirement considering to meet the stand-by power consumption of relevant device when designing.Which actualizing technology difficulty is relatively large, and needs the many costs of extra increase.Therefore recommendation wire transmission mode.
Accompanying drawing 3 is schematic diagrames that the present invention adopts wire transmission mode, and it transmits synchronously standby and starting-up signal by cable.Wire transmission mode is relatively simple, easily realizes, and additionally can not increase power consumption, hardly with increasing cost, has very strong practicality.
Accompanying drawing 4 is the example schematic adopting wire transmission mode after using the inventive method.
Current, panel TV set has merged information display technology, plays indispensable interface as multi-media image and music file, and USB terminal has become the standard configuration of panel TV set.Along with the unification of the universal of mobile phone and charger for mobile phone nuclear interface standardizing, USB transmission line (USB turns MINI USB line, sees accompanying drawing 5) is used to become the actual standard accessory of cellphone subscriber.We can utilize USB that panel TV set carries as transmitting the synchronously standby interface with starting-up signal, by USB transmission line as transmitting the synchronously standby carrier with starting-up signal.
USB terminal has the definition of standard, and it has 4 pins, wherein has 1 to provide 5V power supply.This power supply is arranged to the secondary power supply of television set by us, namely closes this power supply when TV standby, starts this power supply when television boot-strap.Voltage status (0V or 5V) according to this power supply can judge whether television set normally works or standby.
For Set Top Box, 1 MINI USB is increased in this external source equipment, receive the synchronous standby signal (5V power supply) that television set sends, this 5V power supply gives the detection pin of MCU chip again after sample circuit (simple two electric resistance partial pressures) carries out level conversion.Certain pin of Set Top Box MCU chip (GPIO mouth) is arranged to synchronous standby monitoring by us, once stop Set Top Box normally working after standby signal being detected, cuts off its secondary power supply, reduces power consumption; Once after starting-up signal being detected, open its secondary power supply recovery Set Top Box and normally work.In addition, when Set Top Box powers on start first, do not control with starting-up signal by synchronously standby, otherwise work of cannot starting shooting.
The workflow of external source equipment needs corresponding adjustment, and not only in normal work, process is in time synchronously standby interrupts with start, also will shield this interruption when first time starts work.How effectively to shield this interruption? we can reduce the priority of this interruption, make external source equipment only under open state, respond this interruption, exit the request that this interruption also no longer responds this interruption in the standby state.Specific works flow process as shown in Figure 6.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned execution mode, within the scope of technical conceive of the present invention; can carry out multiple equivalents to technical scheme of the present invention, these equivalents all belong to protection scope of the present invention.
Claims (7)
1. a television set standby method with start shooting synchronous with external source device, is characterized in that: using the secondary power supply switching signal of television set as the synchronously standby of external signal equipment and starting-up signal; That is: when television set enters holding state, its secondary power supply is closed, and the sampling voltage of secondary power supply sends external signal equipment to as the standby signal of external signal equipment; After television set enters normal boot-strap state, its secondary power supply restores electricity, and the sampling voltage of secondary power supply sends external signal equipment to as the starting-up signal of external signal equipment;
The secondary power supply of described television set is the power supply of closing under TV standby state;
Increase monitoring function in the main control chip MCU2 part of described external signal equipment, the synchronously standby and starting-up signal sent here by television set inputs the main control chip MCU2 of external signal equipment as external interrupt; MCU2, once after the standby signal that television set sends being detected, cuts off the secondary power supply of external signal equipment, enters standby mode and stops normal work; MCU2, once after the starting-up signal that television set sends being detected, exit external interrupt, enters the normal work that power on mode recovers external signal equipment;
The secondary power supply of described external signal equipment is the power supply of closing under external signal device standby state.
2. a kind of television set according to claim 1 standby method synchronous with external source device, is characterized in that: described synchronously standby be wireless transmission or wire transmission with the load mode of starting-up signal.
3. a kind of television set according to claim 2 standby method synchronous with external source device, it is characterized in that: described wireless transmission method needs increase by a pair wireless transmission and receiver module, wireless transmitter module is arranged on TV set terminal, uses the secondary power supply of television set for its power supply; Wireless receiving module is signalling arrangement end mounted externally then, uses the primary power source of external signal equipment for its power supply; When television set normally works, its secondary power supply is powered, wireless transmitter module transmitting radio frequency signal, and after wireless receiving module receives this radiofrequency signal, notice external signal equipment main control chip MCU2 normally works; When television set quits work, its secondary power supply is not powered, and wireless transmitter module is transmitting radio frequency signal not, and after wireless receiving module does not receive this radiofrequency signal, notice external signal equipment main control chip MCU2 interruption of work enters holding state.
4. a kind of television set according to claim 2 standby method synchronous with external source device, it is characterized in that: described wire transmission mode connects television set and external signal equipment by cable, transmits synchronous standby and starting-up signal between television set with external signal equipment.
5. a kind of television set according to claim 4 standby method synchronous with external source device, is characterized in that: described cable is USB transmission line.
6. a kind of television set according to claim 5 standby method synchronous with external source device, it is characterized in that: described USB transmission line has 4 pins, wherein 1 provides 5V power supply; This 5V power supply is arranged to the secondary power supply of television set, namely closes this power supply when TV standby, start this power supply when television boot-strap; Voltage status according to this power supply judges whether television set normally works or standby; That is:, when voltage status is 5V, normally work; When voltage status is 0V, standby.
7. a kind of television set according to claim 1 standby method synchronous with external source device, it is characterized in that: the external interrupt priority reducing described external signal equipment, make external source equipment only under open state, respond this interruption, exit the request that this interruption also no longer responds this interruption in the standby state.
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| CN201510231191.7A CN104853120B (en) | 2015-05-07 | 2015-05-07 | A kind of synchronous standby method with start of television set and external source device |
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| CN201510231191.7A CN104853120B (en) | 2015-05-07 | 2015-05-07 | A kind of synchronous standby method with start of television set and external source device |
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| CN104853120B CN104853120B (en) | 2017-11-28 |
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Cited By (1)
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| CN110913159A (en) * | 2019-11-29 | 2020-03-24 | 京东方科技集团股份有限公司 | Digital television, electronic equipment and control method |
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| CN104853120B (en) | 2017-11-28 |
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