CN205304969U - Equipment stand -by circuit, TV stand -by circuit and TV - Google Patents
Equipment stand -by circuit, TV stand -by circuit and TV Download PDFInfo
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- CN205304969U CN205304969U CN201521119023.0U CN201521119023U CN205304969U CN 205304969 U CN205304969 U CN 205304969U CN 201521119023 U CN201521119023 U CN 201521119023U CN 205304969 U CN205304969 U CN 205304969U
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Abstract
The utility model discloses an equipment stand -by circuit, TV stand -by circuit and TV realizes that one kind long lasting, with low costs and experience effectual standby control mode. Including signalling receiving circuit, comparison circuit, edge trigging ware and ON -OFF control circuit, signalling receiving circuit includes signalling ware and signal receiver, power supply is connected to comparison circuit's first input end, and signal receiver's signal output part is connected to comparison circuit's second input, the edge trigging ware is connected to comparison circuit's output input with trigger the input, the output linked switch control circuit's of edge trigging ware control end, standby triggering signal source is connected to switch control circuit's input, standby control circuit is connected to switch control circuit's output, when ON -OFF control circuit switches on for standby control circuit can receive standby triggering signal, with controlgear's standby or start.
Description
Technical field
The utility model belongs to circuit design technique field, specifically, relates to a kind of device standby circuit, television standby circuit and TV.
Background technology
The standby of equipment has two kinds of implementations conventionally, a kind of for passing through standby and the startup of remote controller control device, and another kind is that the switch key on operating equipment is realized.
Switch key is mechanical key, presses for a long time the problem that there will be button to damage, although touch key-press can avoid mechanical key owing to pressing for a long time the insensitive problem of appearance, cost is high, and it is limited to touch effect.
Summary of the invention
The application provides a kind of device standby circuit, television standby circuit and TV, and binding signal transmitting and signal reception, by touch signal transmitter and signal receiver, realize a kind of Opportunity awaiting control for linear mode long-acting, that cost is low and experience effect is good.
For solving the problems of the technologies described above, the application is achieved by the following technical solutions:
Propose a kind of device standby circuit, comprise readiness control circuit, signal transceiver circuit, comparison circuit, edge triggered flip flop and ON-OFF control circuit; Described signal transceiver circuit comprises signal projector and signal receiver; The first input end of described comparison circuit connects power supply, the second input of described comparison circuit connects the signal output part of described signal receiver, the output of described comparison circuit connects the input of described edge triggered flip flop and triggers input, the output of described edge triggered flip flop connects the control end of described ON-OFF control circuit, the input of described ON-OFF control circuit connects standby trigger signal source, and the output of described ON-OFF control circuit connects described readiness control circuit; When described ON-OFF control circuit conducting, make described readiness control circuit can receive standby triggering signal, with standby or the start of control appliance.
Further, described device standby circuit also comprises equipment governor circuit and frequency selection circuit; The input of described frequency selection circuit connects the signal output part of described signal receiver, and the output of described frequency selection circuit connects an I/O port of described equipment governor circuit; The another I/O port of described equipment governor circuit connects described readiness control circuit; The frequency-selecting carrier wave of described equipment governor circuit based on described frequency selection circuit output output, output standby triggering signal is given described readiness control circuit, makes standby or the start of described readiness control circuit control appliance.
Further, described signal projector and signal receiver are installed on device housings inner side, and on shell, relative installation offers beam orifice; And the relatively described signal projector of described signal receiver is installed near device interior.
Further, described comparison circuit comprises comparator; The in-phase input end of described comparator is the first input end of described comparison circuit, connects power supply by pull-up resistor, by pull down resistor ground connection; The inverting input of described comparator is the second input of described comparison circuit; The output of described comparator is the output of described comparison circuit, connects triggering input and the input of described edge triggered flip flop by current-limiting resistance.
Further, described edge triggered flip flop is edge D flip-flop.
Further, described ON-OFF control circuit comprises optocoupler and NMOS pipe; The input of described optocoupler connects the output of described edge triggered flip flop by current-limiting resistance, the output of described optocoupler connects grid and the described readiness control circuit of described NMOS pipe by current-limiting resistance, and the source electrode of described NMOS pipe is by pull down resistor ground connection; Described optocoupler also connects described standby trigger signal source by current-limiting resistance, and the drain electrode of described NMOS pipe connects described standby trigger signal source.
Further, described ON-OFF control circuit also comprises protection diode, and the positive pole of described protection diode connects the source electrode of described NMOS pipe, and the negative pole of described protection diode is by current-limiting resistance ground connection.
Propose a kind of television standby circuit, comprise above-mentioned device standby circuit. Device standby circuit comprises readiness control circuit, signal transceiver circuit, comparison circuit, edge triggered flip flop and ON-OFF control circuit; Described signal transceiver circuit comprises signal projector and signal receiver; The first input end of described comparison circuit connects power supply, the second input of described comparison circuit connects the signal output part of described signal receiver, the output of described comparison circuit connects the input of described edge triggered flip flop and triggers input, the output of described edge triggered flip flop connects the control end of described ON-OFF control circuit, the input of described ON-OFF control circuit connects standby trigger signal source, and the output of described ON-OFF control circuit connects described readiness control circuit; When described ON-OFF control circuit conducting, make described readiness control circuit can receive standby triggering signal, with standby or the start of control appliance.
Propose a kind of TV, comprise above-mentioned television standby circuit. Television standby circuit comprises readiness control circuit, signal transceiver circuit, comparison circuit, edge triggered flip flop and ON-OFF control circuit; Described signal transceiver circuit comprises signal projector and signal receiver; The first input end of described comparison circuit connects power supply, the second input of described comparison circuit connects the signal output part of described signal receiver, the output of described comparison circuit connects the input of described edge triggered flip flop and triggers input, the output of described edge triggered flip flop connects the control end of described ON-OFF control circuit, the input of described ON-OFF control circuit connects standby trigger signal source, and the output of described ON-OFF control circuit connects described readiness control circuit; When described ON-OFF control circuit conducting, make described readiness control circuit can receive standby triggering signal, with standby or the start of control appliance.
Further, described signal projector and signal receiver are installed on the remote-control indicating lamp place of TV.
Compared with prior art, the application's advantage and good effect are: the embodiment of the present application proposes a kind of device standby circuit, television standby circuit and TV, on existing readiness control circuit basis, increase signal transceiver circuit, comparison circuit, edge triggered flip flop and ON-OFF control circuit, when user needs control appliance standby, use the case surface of hand touch signal transmitter and signal receiver installation site, the holding wire of signal projector transmitting is subject to stopping of hand and returns, the signal returning is received by signal receiver, and then the signal of telecommunication of signal receiver output is loaded into the second input of comparison circuit, comparison circuit is exported the voltage of saltus step thus, make edge triggered flip flop output high level, and then make ON-OFF control circuit conducting, ON-OFF control circuit input standby touch signal after conducting, readiness control circuit receives after this standby touch signal, control appliance transfers standby to from open state, or transfers start work to from holding state. visible, the device standby circuit that the embodiment of the present application proposes, as long as with the position at hand touch signal transmitter and signal receiver place, can realize the control to device standby or start, compare touch key-press, this be similar to operation touch key-press Opportunity awaiting control for linear mode cost low, than mechanical key, this Opportunity awaiting control for linear mode is used long-acting not fragile, has realized a kind of Opportunity awaiting control for linear mode long-acting, that cost is low and experience effect is good.
And in the embodiment of the present application, after having increased equipment governor circuit and frequency selection circuit, frequency selection circuit can be selected the control signal of remote controller transmitting, get rid of user and block with hand the signal that signal projector returns, and the control signal of the remote controller transmitting of selection is sent to equipment governor circuit, equipment governor circuit is implementing to send standby triggering signal to readiness control circuit after judgement decoding, readiness control circuit is according to standby or the start of standby triggering signal control appliance, this makes stand-by circuit can also receive the standby of remote controller transmitting or the control instruction of start, improve the practicality of device standby circuit.
Read by reference to the accompanying drawings after the detailed description of the application's embodiment, other features of the application and advantage will become clearer.
Brief description of the drawings
Fig. 1 is the circuit frame figure of the device standby circuit of the embodiment of the present application proposition;
Fig. 2 is the circuit frame figure of the device standby circuit of the embodiment of the present application proposition;
Fig. 3 is the concrete implementing circuit figure of one of the device standby circuit of the embodiment of the present application proposition.
Detailed description of the invention
Below in conjunction with accompanying drawing, the application's detailed description of the invention is described in more detail.
As shown in Figure 1, be the circuit block diagram of device standby circuit that the embodiment of the present application proposes, equipment is that existing any possesses the electronic installation of idle function, the such as electronic product such as TV, Set Top Box.
This device standby circuit comprises readiness control circuit U5, signal transceiver circuit, comparison circuit U1, edge triggered flip flop U2 and ON-OFF control circuit 11.
Signal transceiver circuit comprises signal projector D1 and signal receiver D2; The first input end of comparison circuit connects power supply VCC, the second input of comparison circuit connects the signal output part of signal receiver D2, the output of comparison circuit connects the input D of edge triggered flip flop U2 and triggers input CP, the control end Ctl of the output connecting valve control circuit of edge triggered flip flop U2, the input of ON-OFF control circuit connects standby trigger signal source Sig_standby, and the output of ON-OFF control circuit 11 connects readiness control circuit U5; When ON-OFF control circuit 11 conducting, make readiness control circuit U5 can receive standby triggering signal, with standby or the start of control appliance, also, and in the time of device power-up, control appliance standby, in the time of device standby, control appliance start.
Signal projector D1 and signal receiver D2 are installed on device housings inner side, and on shell, relative installation offers beam orifice; And signal receiver relative signal transmitter is installed near device interior. Sort signal receiver near inner setting, in the time that user's hand blocks signal projector, can make signal receiver more easily receive the signal reflecting relatively.
No matter equipment is in open state or holding state, the signal of signal projector transmitting is not being subject to blocking while returning, signal receiver makes the output level of comparison circuit that saltus step not occur because do not receive signal, edge triggered flip flop output low level, ON-OFF control circuit disconnects the path of standby trigger signal source and readiness control circuit, and readiness control circuit is not worked.
User is in the time of the standby of needs control appliance or start, use the case surface of hand touch signal transmitter and signal receiver installation site, the signal of signal projector transmitting is subject to stopping of hand and returns, the signal returning is received by signal receiver, and then signal receiver conducting, make the voltage drop of the second input that is loaded into comparison circuit, comparison circuit is exported saltus step level thus, make edge triggered flip flop output high level, and then make ON-OFF control circuit conducting, ON-OFF control circuit input standby touch signal after conducting, readiness control circuit receives after this standby touch signal, control appliance transfers standby to from open state, or transfer start work to from holding state.
Visible, the device standby circuit that the embodiment of the present application proposes, as long as with the position at hand touch signal transmitter and signal receiver place, can realize the control to device standby or start, compare touch key-press, this be similar to operation touch key-press Opportunity awaiting control for linear mode cost low, than mechanical key, this Opportunity awaiting control for linear mode is used long-acting not fragile, has realized a kind of Opportunity awaiting control for linear mode long-acting, that cost is low and experience effect is good.
Above-mentioned, readiness control circuit is according to the standby triggering signal of input, and facilities and equipments transfer standby to from start, or transfer the circuit of start to from standby; Above-mentioned comparison circuit is according to the comparison of two inputs, the circuit of output high level or low level control signal; Above-mentioned ON-OFF control circuit is according to high-level control signal or the low level control signal of control end input, the circuit that is communicated with or blocks between control inputs and output; The embodiment of the present application all will not limit. Above-mentioned signal projector and signal receiver, preferably infrared transmitter and infrared remote receiver.
The preferred edge D flip-flop of edge triggered flip flop, edge D flip-flop allows to trigger before coming and add in a flash input signal at CP, like this, the time that input is disturbed shortens greatly, the possibility that is disturbed maloperation just greatly reduces, therefore, the circuit anti-interference being made up of edge D flip-flop is stronger, works more stable, reliable in practical work environment.
As shown in Figure 2, the device standby circuit that the embodiment of the present application proposes also comprises equipment governor circuit U4 and frequency selection circuit 12; The input of frequency selection circuit 12 connects the signal output part of signal receiver D2, an I/O port of the output connection device governor circuit U4 of frequency selection circuit 12; The another I/O port of equipment governor circuit U4 connects readiness control circuit U5; The frequency-selecting carrier wave of equipment governor circuit U4 based on frequency selection circuit 12 output outputs, output standby triggering signal, to readiness control circuit, makes standby or the start of readiness control circuit control appliance.
Above-mentioned, in device standby circuit, increase equipment governor circuit and frequency selection circuit, frequency selection circuit is set to select the signal of setpoint frequency, the 38KHZ infrared remote-controlled signal for example using in existing TV. In the time that user uses hand to block signal projector, what signal receiver received is the infrared signal of non-setpoint frequency, frequency selection circuit will not be selected, device standby circuit is according to above-mentioned content work, in the time that user uses the remote controller control device standby of equipment or starts shooting, the infrared signal of the setpoint frequency of remote controller transmitting that what signal receiver received is, the infrared signal of setpoint frequency is first by frequency selection circuit and be transferred to equipment governor circuit, and can not be triggered to comparison circuit.
Pass through frequency selection circuit, get rid of user and block with hand the signal that signal projector returns, and the control signal of the remote controller transmitting of selection is sent to equipment governor circuit, equipment governor circuit is implementing to send standby triggering signal to readiness control circuit after judgement decoding, readiness control circuit is according to standby or the start of standby triggering signal control appliance, this makes stand-by circuit can also receive the standby of remote controller transmitting or the control instruction of start, has improved the practicality of device standby circuit. Frequency selection circuit is selected any circuit that can select setpoint frequency signal, and the embodiment of the present application will not limit.
As shown in Figure 3, be the specific embodiment circuit diagram of device standby circuit that the embodiment of the present application proposes, the signal projector in signal transceiver circuit and signal receiver are selected infrared transmitter and infrared remote receiver. Wherein, in signal transceiver circuit, infrared transmitter D1 connects power supply VCC by pull-up resistor R1, and infrared remote receiver D2 connects power supply VCC by pull-up resistor R2.
The signal output part of infrared remote receiver D2 connects the second input of comparison circuit by current-limiting resistance R15.
Comparison circuit is made up of comparator u1 and configuration circuit, and the first input end that the in-phase input end of comparator is comparison circuit connects power supply VCC by pull-up resistor R6, by pull down resistor R7 ground connection; The inverting input of comparator is the second input of comparison circuit, is connected with infrared remote receiver D2 output by current-limiting resistance R15; The output of comparator is the output of comparison circuit, connects triggering input CP and the input D of edge triggered flip flop U2 by current-limiting resistance R8.
ON-OFF control circuit comprises optocoupler U3 and NMOS pipe Q1; The input 1 of optocoupler connects the output of edge triggered flip flop by current-limiting resistance R9, the output 4 of optocoupler U3 connects the NMOS pipe grid of Q1 and the I/O port of readiness control circuit by current-limiting resistance R12, and the source electrode of NMOS pipe Q1 is by pull down resistor R13 ground connection; Optocoupler U3 also connects standby trigger signal source Sig_standby by current-limiting resistance R11, and the drain electrode of NMOS pipe Q1 connects standby trigger signal source Sig_standby.
This ON-OFF control circuit also comprises protection diode D4, and the positive pole of protection diode D4 connects the source electrode of NMOS pipe Q1, and the negative pole of protection diode D4 is by current-limiting resistance R13 ground connection.
Frequency selection circuit is made up of resistance R 3, R4, R5 and capacitor C 1, C2 and C3; R3 one end is connected with R15 one end, and the other end is connected with R4, R4 other end ground connection; R5 one end connects one end that R3 is connected with R15, the I/O port of the other end connection device governor circuit of R5 and capacitor C 2 one end, and capacitor C 2 other ends connect C3 one end, C3 other end ground connection; Capacitor C 1 one end connects the junction of R3 and R4, and the other end connects the junction of C2 and C3.
No matter equipment is in open state or holding state, the infrared ray of infrared transmitter D1 transmitting is not being subject to blocking while returning, infrared remote receiver D2 because do not receive infrared signal and by, by the configuration to resistance R 2, R15 and R6, make the anti-phase input terminal voltage of comparator higher than in-phase input end voltage, comparator output low level, make edge triggered flip flop U2 output low level, optocoupler U3 and NMOS pipe Q1 cut-off, make standby trigger signal source cannot input readiness control circuit, readiness control circuit is not worked.
User is in the time of the standby of needs control appliance or start, use hand to touch the case surface of infrared transmitter D1 and infrared remote receiver D2 installation site, the infrared ray of infrared transmitter transmitting is subject to stopping of hand and returns, the infrared signal of returning is received by infrared remote receiver D2, infrared remote receiver D2 opens, not the setpoint frequency of for example 38KHZ due to what receive, frequency selection circuit is not worked, because opening of infrared remote receiver, be loaded into the voltage drop of the inverting input of comparator, be less than in-phase input end voltage, the output of comparator is high level output from low transition, make edge triggered flip flop U2 output high level, and then make optocoupler U3 and NMOS manage all conductings of Q1, and then conducting standby trigger signal source and readiness control circuit U5, make standby trigger signal source as standby triggering signal input readiness control circuit, readiness control circuit receives after this standby touch signal, control appliance transfers standby to from open state, or transfer start work to from holding state.
Remote control equipment start or standby if user uses a teleswitch, the remote signal of the setpoint frequency that remote control is sent is received by infrared remote receiver D2, due to the existence of frequency selection circuit, the infrared signal receiving is first by frequency selection circuit and be transferred to equipment governor circuit U4, and can not be triggered to comparator, equipment governor circuit U4(can be the main control chip of equipment) again standby triggering signal is sent to readiness control circuit U5 by I/O port after judgement decoding, readiness control circuit receives after standby triggering signal, control appliance transfers standby to from open state, or transfer start work to from holding state.
It should be noted that because standby triggering signal is each time loaded into readiness control circuit and can again be disconnected later, so want to realize stable standby or start operation, need to pin infrared transmitter and infrared remote receiver certain hour is realized, for example 1 second.
Device standby circuit based on above-mentioned, the embodiment of the present application, for tv product, proposes the TV of a kind of television standby circuit and use television standby circuit, and method for designing is identical with above-mentioned device standby circuit. In tv product, signal projector and signal receiver are preferably mounted at the remote-control indicating lamp place of TV, when user controls television standby or start at needs, only need touch indicator lamp can realize standby or the start of TV.
Device standby circuit and television standby circuit that above-mentioned the embodiment of the present application proposes, cleverly signal projector and signal receiver are independently arranged on to equipment simultaneously, the for example assigned address of TV body, for example indicator lamp place, wherein signal projector is near outside, the relatively close device interior of signal receiver is more easily to receive the signal reflecting, in the time that needs are controlled television standby or start, as long as with hand touch indicator lamp place, the signal emitting by reflected signal transmitter is to signal receiver, the standby or the start that realize TV are controlled, but do not affect signal receiver and normally receive the remote signal that remote controller sends, realized the high-touch feature of " touch key-press " with low cost, service life is long-acting, improve user's experience, improve the product quality of TV.
Should be noted that; above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned giving an example; variation, remodeling, interpolation or replacement that those skilled in the art make in essential scope of the present utility model, also should belong to protection domain of the present utility model.
Claims (10)
1. a device standby circuit, comprises readiness control circuit, it is characterized in that, also comprises signal transceiver circuit, comparison circuit, edge triggered flip flop and ON-OFF control circuit;
Described signal transceiver circuit comprises signal projector and signal receiver; The first input end of described comparison circuit connects power supply, the second input of described comparison circuit connects the signal output part of described signal receiver, the output of described comparison circuit connects the input of described edge triggered flip flop and triggers input, the output of described edge triggered flip flop connects the control end of described ON-OFF control circuit, the input of described ON-OFF control circuit connects standby trigger signal source, and the output of described ON-OFF control circuit connects described readiness control circuit; When described ON-OFF control circuit conducting, make described readiness control circuit can receive standby triggering signal, with standby or the start of control appliance.
2. device standby circuit according to claim 1, is characterized in that, described device standby circuit also comprises equipment governor circuit and frequency selection circuit; The input of described frequency selection circuit connects the signal output part of described signal receiver, and the output of described frequency selection circuit connects an I/O port of described equipment governor circuit; The another I/O port of described equipment governor circuit connects described readiness control circuit;
The frequency-selecting carrier wave of described equipment governor circuit based on described frequency selection circuit output output, output standby triggering signal is given described readiness control circuit, makes standby or the start of described readiness control circuit control appliance.
3. device standby circuit according to claim 1, is characterized in that, described signal projector and signal receiver are installed on device housings inner side, and on shell, relative installation offers beam orifice; And the relatively described signal projector of described signal receiver is installed near device interior.
4. device standby circuit according to claim 1, is characterized in that, described comparison circuit comprises comparator; The in-phase input end of described comparator is the first input end of described comparison circuit, connects power supply by pull-up resistor, by pull down resistor ground connection; The inverting input of described comparator is the second input of described comparison circuit; The output of described comparator is the output of described comparison circuit, connects triggering input and the input of described edge triggered flip flop by current-limiting resistance.
5. device standby circuit according to claim 1, is characterized in that, described edge triggered flip flop is edge D flip-flop.
6. device standby circuit according to claim 1, is characterized in that, described ON-OFF control circuit comprises optocoupler and NMOS pipe;
The input of described optocoupler connects the output of described edge triggered flip flop by current-limiting resistance, the output of described optocoupler connects grid and the described readiness control circuit of described NMOS pipe by current-limiting resistance, and the source electrode of described NMOS pipe is by pull down resistor ground connection; Described optocoupler also connects described standby trigger signal source by current-limiting resistance, and the drain electrode of described NMOS pipe connects described standby trigger signal source.
7. device standby circuit according to claim 6, is characterized in that, described ON-OFF control circuit also comprises protection diode, and the positive pole of described protection diode connects the source electrode of described NMOS pipe, and the negative pole of described protection diode is by current-limiting resistance ground connection.
8. a television standby circuit, is characterized in that, comprises the device standby circuit as described in claim 1-7 any one.
9. a TV, is characterized in that, comprises television standby circuit as claimed in claim 8.
10. TV according to claim 9, is characterized in that, described signal projector and signal receiver are installed on the remote-control indicating lamp place of TV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521119023.0U CN205304969U (en) | 2015-12-30 | 2015-12-30 | Equipment stand -by circuit, TV stand -by circuit and TV |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521119023.0U CN205304969U (en) | 2015-12-30 | 2015-12-30 | Equipment stand -by circuit, TV stand -by circuit and TV |
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| Publication Number | Publication Date |
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| CN205304969U true CN205304969U (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521119023.0U Active CN205304969U (en) | 2015-12-30 | 2015-12-30 | Equipment stand -by circuit, TV stand -by circuit and TV |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105472281A (en) * | 2015-12-30 | 2016-04-06 | 歌尔声学股份有限公司 | Device standby circuit, television standby circuit and television |
| CN108134985A (en) * | 2018-02-07 | 2018-06-08 | 成都精位科技有限公司 | Electronic equipment and alignment system |
-
2015
- 2015-12-30 CN CN201521119023.0U patent/CN205304969U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105472281A (en) * | 2015-12-30 | 2016-04-06 | 歌尔声学股份有限公司 | Device standby circuit, television standby circuit and television |
| CN105472281B (en) * | 2015-12-30 | 2019-03-12 | 歌尔股份有限公司 | Device standby circuit, television standby circuit and TV |
| CN108134985A (en) * | 2018-02-07 | 2018-06-08 | 成都精位科技有限公司 | Electronic equipment and alignment system |
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Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |