CN2078953U - Automatic control receptacle of remote-control colour tv - Google Patents
Automatic control receptacle of remote-control colour tv Download PDFInfo
- Publication number
- CN2078953U CN2078953U CN 90216793 CN90216793U CN2078953U CN 2078953 U CN2078953 U CN 2078953U CN 90216793 CN90216793 CN 90216793 CN 90216793 U CN90216793 U CN 90216793U CN 2078953 U CN2078953 U CN 2078953U
- Authority
- CN
- China
- Prior art keywords
- circuit
- power supply
- colour
- remote control
- supply socket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to an automatic control power socket of remote-control color TV, comprising a casing, a power socket of a color television and a power supply automatic control circuit board of a remote control color television. The utility model is characterized in that the power supply automatic control circuit board of a remote control color television comprises an infrared receiver, an infrared pre-amplifier circuit, a sampling circuit, an electric relay, an amplifying circuit and a power supply circuit of the electric relay. A normally open contact of the electric relay and the power socket of a color television are connected with a sampling resistor in series, and an electrical loop comprises the normally open contact, the power socket of a color television and a (urban electricity) power supply. The casing is provided with a window for receiving signal. The control function of the remote controller of color television is used to directly control the switching of the power supply of the color television. In addition, the defect that the shutdown of the existing remote control color television is incapable of cutting off the power supply.
Description
The utility model relates to a kind of remote control colour TV set microcomputer controlled power supply socket device.
What remote control colour TV set gave that the television set user brings conveniently is well-known, weak point is after remote control colour TV set shuts down with remote controller, colour TV just is in holding state, and a part of circuit is still in work in the machine, and the shutdown of remote controller can not be with the dump of colour TV in other words, so people are after finishing watching TV, must remove to close the mains switch of colour TV, not so, television set is still at consumed power, this not only wastes electric energy, and can influence the useful life of television set.Some remote control switches that occur on the market though can exercise the function that opens or closes to electrical appliance, all need a transmitter and a receiver, and this obviously is unfavorable concerning remote control colour TV set.
The utility model is intended to overcome the above-mentioned defective on the existing remote control colour TV set shutdown function, and a kind of remote control colour TV set microcomputer controlled power supply socket device is provided, and utilizes colour TV control of remote controller function, by the microcomputer controlled power supply socket, directly controls the break-make of colour tv power supply.
The utility model remote control colour TV set microcomputer controlled power supply socket device is by casing, colour tv power supply socket CZ and remote control colour TV set power supply automatic control circuit plate are formed, it is characterized in that remote control colour TV set power supply automatic control circuit (hereinafter to be referred as the power supply automatic control circuit) is by infrared receiver, infrared pre-amplification circuit, sample circuit, relay and driving amplifying circuit thereof and power circuit are formed, the input of the infrared pre-amplification circuit of infrared receiver output termination, the sampling voltage output of the output of infrared pre-amplification circuit and sample circuit connects the input that (relay) drives amplifying circuit respectively, the normally open contact of relay, the sample resistance serial connection of colour tv power supply socket and sample circuit; And forms electric loop with (civil power) power supply, have the window of a receiving infrared-ray signal on the casing, the colour tv power supply socket is positioned on the casing, and power supply automatic control circuit plate is loaded in the casing.
Detailed technology content of the present utility model in conjunction with the embodiments and accompanying drawing give to further specify.
Fig. 1 is the circuit block diagram of embodiment power supply automatic control circuit.
Fig. 2 is the electrical schematic diagram of embodiment power supply automatic control circuit.
Present embodiment remote control colour TV set microcomputer controlled power supply socket device comprises casing, colour tv power supply socket and remote control colour TV set power supply automatic control circuit plate, the colour tv power supply socket is installed on the casing, power supply automatic control circuit plate is loaded in the casing, have the window of a receiving infrared-ray signal on the casing, its effect is that the infrared remote-controlled signal that remote controller is sent can directly be positioned at the interior infrared remote receiver reception of casing.The power supply automatic control circuit comprises infrared remote receiver, infrared pre-amplification circuit, sample circuit, relay and driving amplifying circuit and power circuit.The effect of infrared remote receiver is that the infrared signal inspection that the emission of colour TV remote controller comes is picked up, and converts the signal of telecommunication to, delivers to infrared pre-amplification circuit, and the present embodiment infrared remote receiver adopts photodiode D
1The effect of infrared pre-amplification circuit is that the infrared signal with characteristic frequency amplifies, this circuit can adopt special-purpose infrared preposition amplifier integrated block, for example μ PC1373H, LA7224, KA2181 etc., the special-purpose integrated package of the μ PC1373H that present embodiment selects for use a day company (NEC) to make, among Fig. 2, C
1～C
5, R
1～R
5And D
1, L is its peripheral component, the amplifying stage of μ PC1373H application-specific integrated circuit (ASIC) is by external circuit L and C
3The component frequency tuner is tuning, centre frequency set up at 38KHz, and the infrared ray carrier frequency that sends by the colour TV remote controller with coupling, and other infrared ray interference noise of elimination, the undersuing after the amplification is by the 1st pin output of μ PC1373H, through coupling capacitance C
7Be defeated by the moving amplifying circuit in district, R among Fig. 2
2C
2Be high frequency negative feedback network, R
4C
5Be respectively the detection resistance and the electric capacity of peak detector.The effect of sample circuit is to the sampling of load (colour TV) operating current, the operating state of control relay circuit, and as shown in Figure 2, the present embodiment sample circuit is by sample resistance R
15, divider resistance R
13, R
14, partial pressure potential device W and capacitor C
8Form sample resistance R
15Be serially connected in the load circuit sample resistance R
15The voltage at two ends has reflected the size of load (colour TV) operating current, and this sampled signal (50Hz sinusoidal ac signal) send the driving amplifying circuit after the voltage divider dividing potential drop.Regulator potentiometer W.When bearing power during less than 20W (when remote control colour TV set was in holding state, power was less than 15W), relay is not answered adhesive, if adhesive also will discharge, when load during greater than 40W (during the remote control colour TV set operate as normal, power is greater than 50W) relay answer adhesive.Driving the amplifying circuit effect is to make relay work.
The present embodiment relay drives amplifying circuit and comprises inverting amplifier circuit, voltage doubling rectifing circuit, delay circuit, switching circuit, and among Fig. 2, BG
1, R
6, R
7, C
9Form inverting amplifier circuit, it with infrared pre-amplification circuit through coupling capacitance C
7The sinusoidal ac signal that undersuing of sending here and sample circuit are sent here carries out paraphase and amplifies, through C
9Deliver to by C after the filtering
10, C
11, D
2, D
3The voltage doubling rectifing circuit rectification of forming becomes direct current signal, and switching circuit is by BG
2, BG
3, BG
4, R
9, R
10, R
11, R
12Form R among Fig. 2
6Be current-limiting resistance, D
4, D
5Be for improving BG
2The base stage thresholding be provided with.The direct current signal that rectification circuit comes out is through R
6, D
4, D
5Drive BG
2, when load during greater than 50W, BG
2Be driven saturated, BG
2After saturated, BG
3End BG
4Saturated, relay J is in attracting state, and the colour tv power supply receptacle loop is logical, otherwise, when no infrared signal is imported and bearing power during less than 20W BG
2End BG
3Saturated, BG
4End, relay J discharges, thereby interrupts the colour tv power supply receptacle loop, thereby realizes the automatic control purpose of colour tv power supply.Power circuit is to be used for providing operating voltage to each circuit, and present embodiment uses stabilized voltage power supply, by D
6, D
7, D
8, C
12, C
14Form, thereby make each operating circuit obtain stable operating voltage, thus the quality of assurance device.Present embodiment, the Shu Ru Duan And that drives amplifying circuit at relay meets a hand push button switch QA, and push-button switch can be installed on the casing.When clicking button QA, promptly give pulse signal of circuit, drive amplifying circuit work, And conducting, relay in the same old way can adhesive.C among the figure
11And R
8The double as delay circuit, the present embodiment delay time is set at 3 seconds.
The course of work of the present utility model is simply described as follows: the attaching plug with this device inserts commercial power socket earlier, device enters operating state, the mains switch (before the energising) of television set is allocated to " opening " state, then the TV set power plug is inserted the colour tv power supply socket of this device, the Infrared remote controller that colour TV is used is aimed at the window on this device panel, click arbitrary key on the Infrared remote controller, be positioned at infrared remote receiver (the photodiode D of device
1), receive that signal And converts the signal of telecommunication to, this signal amplifies through infrared pre-amplification circuit, to driving amplifying circuit, make switching circuit work, the relay adhesive, colour tv power supply receptacle loop energising colour TV promptly enters "open" state (holding state), in 3 seconds, remote controller can be started shooting to colour TV, can watch program.If will shut down to colour TV, with remote controller colour TV is shut down, colour TV promptly enters holding state, at this moment colour TV power is less than 20 watts, electric current through sample resistance reduces immediately, by design in advance, this sampling current, can not keep switching circuit and be in conducting state, at this moment, relay discharges, thus the outage of colour tv power supply receptacle loop, colour TV cuts off the power supply fully, thus the function that realization is shut down fully to colour TV.In the situation of start that do not use a teleswitch, can click the button A that is positioned on the casing, can send to colour TV too.
In sum, the utility model has the advantages that significantly, namely solve the defective that existing remote control colour TV shutdown can not be cut off the electricity supply, have economize on electricity, prolong the colour TV function in service life. This device control distance is greater than 5 meters, and unloaded power consumption is less than 0.5 watt, and power consumption is a kind of supply socket of practical remote control colour TV less than 2 watts during load.
Claims (8)
1。A kind of remote control colour TV set microcomputer controlled power supply socket device, by casing, colour tv power supply socket and remote control colour TV set power supply automatic control circuit plate are formed, it is characterized in that remote control colour TV set power supply automatic control circuit (hereinafter to be referred as the power supply automatic control circuit) is by the infrared pre-amplification circuit of infrared receiver, sample circuit, relay and driving amplifying circuit thereof and power circuit are formed, the input of the infrared pre-amplification circuit of infrared receiver output termination, the sampling voltage output of the output of infrared pre-amplification circuit and sample circuit connects the input that (relay) drives amplifying circuit respectively, the normally open contact of relay, the sample resistance serial connection of colour tv power supply socket and sample circuit, and form electric loop with (civil power) power supply, have the window of a receiving infrared-ray signal on the casing, colour tv power supply socket CZ is positioned on the casing, and power supply automatic control circuit plate is loaded in the casing.
2. remote control colour TV set microcomputer controlled power supply socket device according to claim 1 is characterized in that infrared receiver is photodiode D
1, infrared pre-amplification circuit is by special-purpose integrated package of μ PC1373H and peripheral component C thereof
1～C
3, R
1～R
5, D
1, L forms L and C
3The component frequency tuner.
3. remote control colour TV set microcomputer controlled power supply socket device according to claim 1 and 2 is characterized in that sample circuit is by sample resistance R
13, divider resistance R
13, R
14, partial pressure potential device W and capacitor C
8Form sample resistance R
13Be serially connected in the load circuit.
4。Remote control colour TV set microcomputer controlled power supply socket device according to claim 1 and 2 is characterized in that relay drives amplifying circuit and comprises by BG
1, R
6, R
7, C
9The inverting amplifier circuit of forming is by C
10, C
11, D
2, D
3The voltage doubling rectifing circuit of forming and by BG
2, BG
3, BG
4, R
9, R
10, R
11, R
12The switching circuit of forming.
5。Remote control colour TV set microcomputer controlled power supply socket device according to claim 3 is characterized in that relay drives amplifying circuit and comprises by BG
1, R
6, R
7, C
9The inverting amplifier circuit of forming, by C
10, C
11, D
2, D
3The voltage doubling rectifing circuit of forming and by BG
2, BG
3, BG
4, R
9, R
10, R
11, R
12The switching circuit of forming.
6. according to claim 1 or 2 or 5 described remote control colour TV set microcomputer controlled power supply socket devices, it is characterized in that the Shu Ru Duan And of relay driving amplifying circuit meets a hand push button switch QA.
7. remote control colour TV set microcomputer controlled power supply socket device according to claim 3 is characterized in that the Shu Ru Duan And of relay driving amplifying circuit meets a hand push button switch QA.
8. remote control colour TV set microcomputer controlled power supply socket device according to claim 4 is characterized in that the Shu Ru Duan And of relay driving amplifying circuit meets a hand push button switch QA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90216793 CN2078953U (en) | 1990-07-20 | 1990-07-20 | Automatic control receptacle of remote-control colour tv |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90216793 CN2078953U (en) | 1990-07-20 | 1990-07-20 | Automatic control receptacle of remote-control colour tv |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2078953U true CN2078953U (en) | 1991-06-12 |
Family
ID=4895896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90216793 Withdrawn CN2078953U (en) | 1990-07-20 | 1990-07-20 | Automatic control receptacle of remote-control colour tv |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2078953U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101902769A (en) * | 2010-07-06 | 2010-12-01 | 中兴通讯股份有限公司 | Single board wireless debugging method and device |
| CN109490635A (en) * | 2018-12-25 | 2019-03-19 | 国网江苏省电力有限公司南京供电分公司 | Pole tower ground resistance on-line monitoring system and on-line monitoring method |
-
1990
- 1990-07-20 CN CN 90216793 patent/CN2078953U/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101902769A (en) * | 2010-07-06 | 2010-12-01 | 中兴通讯股份有限公司 | Single board wireless debugging method and device |
| CN101902769B (en) * | 2010-07-06 | 2014-12-10 | 中兴通讯股份有限公司 | Single board wireless debugging method and device |
| CN109490635A (en) * | 2018-12-25 | 2019-03-19 | 国网江苏省电力有限公司南京供电分公司 | Pole tower ground resistance on-line monitoring system and on-line monitoring method |
| CN109490635B (en) * | 2018-12-25 | 2021-11-26 | 国网江苏省电力有限公司南京供电分公司 | Online monitoring system and online monitoring method for tower grounding resistance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |