CN2167492Y - Remote control device for colour TV sets for turning off power supply when switched out - Google Patents
Remote control device for colour TV sets for turning off power supply when switched out Download PDFInfo
- Publication number
- CN2167492Y CN2167492Y CN 93221597 CN93221597U CN2167492Y CN 2167492 Y CN2167492 Y CN 2167492Y CN 93221597 CN93221597 CN 93221597 CN 93221597 U CN93221597 U CN 93221597U CN 2167492 Y CN2167492 Y CN 2167492Y
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- China
- Prior art keywords
- circuit
- resistance
- remote control
- inverter
- power
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a remote control device for a colour TV for turning off a power supply when switched off, comprising a housing, a power circuit, a status testing circuit, a delay circuit, an on-off discriminating circuit, an overvoltage testing circuit and a main circuit. In the power circuit, the serially connected regulated power supply of a transformer is used; in the on-off discriminating circuit, three inverter are used; the power switch of a TV can be replaced with the on-off discriminating circuit; the controller is provided with an extending socket. Compared with the prior art, the utility model has the advantages of electricity saving, reliability, multifunction, a wide range of application, etc.
Description
The utility model relates to a kind of remote control colour TV set shutdown circuit breaking controller, is applicable to remote control colour TV set, stereo set and video tape recorder, game machine, the antenna amplifier antennafire etc. of all size model and the electrical equipment of remote control colour TV set associated.
Remote control colour TV set is behind remote-control closedown, because power supply does not cut off, the remote control receiving unit still is in charged operating state, power consumption on the one hand, quickens the receiving unit component ageing on the other hand.For this reason, the user must the hand off TV set power switch when no longer watching, remote-control closedown loses meaning.Remote control colour TV set shutdown auto-power-off device by power circuit, input, comparison circuit, delay circuit, main circuit are formed has solved pass tester in power-down state problem.But existing remote control colour TV set shutdown auto-power-off device adopts the resistance-capacitance depressurization power circuit more, does not have overvoltage protection, and load (remote control colour TV set) is had certain requirement, exist power consumption greatly, deficiencies such as reliable, function singleness, restricted application inadequately.
The purpose of this utility model is to overcome the above-mentioned deficiency of prior art, provides a kind of power saving, reliable, diverse in function, the scope of application wide, the remote control colour TV set that can substitute the mains switch on the television set fully circuit breaking controller that shuts down.
The purpose of this utility model is achieved through the following technical solutions: the load current when utilizing the remote control colour TV set operate as normal with off-mode is different, carries out state-detection, switching on and shutting down differentiation, and the control remote control colour TV set closes tester in power-down state.Constitute remote control colour TV set shutdown circuit breaking controller by shell, power circuit, state detection circuit, delay circuit, switching on and shutting down judging circuit, main circuit.Its power circuit is by transformer B and is connected to the diode D that B pays the limit
1, D
2, capacitor C
1, voltage-stabiliser tube DW, triode BG
1, resistance R
1, R
2, LED
1The series connection stabilized voltage power supply of forming; State detection circuit is by the diode connected in parallel D that is connected to the former limit of B
3, D
4, resistance R
14And triode BG
3, diode D
10, resistance R
5, R
10, R
11, R
15, capacitor C
5, inverter U
1:E, LED
2Form; Delay circuit is by capacitor C
2, resistance R
4And inverter U
1:DForm; The switching on and shutting down judging circuit is by inverter U
1:A, U
1:B, U
1:C, resistance R
6, R
7, R
8, R
9, R
12, capacitor C
3, C
4, diode D
6, D
7, D
8, D
9Form; Main circuit is by resistance R
3, triode BG
2, relay J, button switch K form; Load (remote control colour TV set) socket TU one is terminated at the former limit of B, the other end and BG
1Emitter, D
3, D
4, R
14Link to each other.
Description of drawings:
Fig. 1 is the utility model embodiment circuit theory diagrams.
Fig. 2 is the utility model embodiment shell front elevational schematic.
Fig. 3 is the utility model embodiment shell schematic rear view.
With reference to the accompanying drawings, in conjunction with the embodiments the utility model is described in further detail: a kind of remote control colour TV set shutdown circuit breaking controller has shell, power circuit, state detection circuit, delay circuit, switching on and shutting down judging circuit, over-voltage detection circuit, main circuit to constitute.Its power circuit is by transformer B and is connected to the diode D that B pays the limit
1, D
2, capacitor C
1, voltage-stabiliser tube DW, triode BG
1, resistance R
1, R
2, LED
1The series connection stabilized voltage power supply of forming; State detection circuit is by the diode connected in parallel D that is connected to the former limit of B
3, D
4, sample resistance R
14And triode BG
3, diode D
10, resistance R
5, R
10, R
11, R
15, capacitor C
5, inverter U
1:E, LED
2Form; Delay circuit is by capacitor C
2, resistance R
4And inverter U
1:DForm; The switching on and shutting down judging circuit is by inverter U
1:A, U
1:B, U
1:C, resistance R
6, R
7, R
8, R
9, R
12, capacitor C
3, C
4, diode D
6, D
7, D
8, D
9Form; Inverter U
1:AInput connecting resistance R
12, capacitor C
4, button switch K normally-closed contact N, output connecting resistance R
9, the series connection R
6, D
6Inverter U
1:BInput termination capacitor C
3, resistance R
8, diode D
5, output terminating diode D
9, resistance R
7, R
13Inverter U
1:CInput connecting resistance R
9, diode D
9, output connecting resistance R
8, diode D
8Over-voltage detection circuit is by potentiometer W, inverter U
1:F, diode D
5, resistance R
13Form; Main circuit is by resistance R
3, triode BG
2, relay J, button switch K form.Load (remote control colour TV set) socket TU one is terminated at former limit, the other end and the BG of B
1Emitter, D
3, D
4, R
14Link to each other.Also there is extension socket UID on the former limit of transformer B.Inverter in state detection circuit, delay circuit, switching on and shutting down judging circuit, the over-voltage detection circuit adopts a slice CMOS hex inverter.Power line inlet S, button switch K, start indicator light LED, status indicator lamp LED are housed on the shell
2, load socket TU, extension socket UID.
During use, earlier this controller power source plug is inserted commercial power socket, more main load (remote control colour TV set, stereo set etc.) attaching plug is inserted load socket TU, open the load power source switch simultaneously.Click K during start, S is communicated with e, N and e disconnect, and D is passed through on the former limit of transformer B
3, D
4, R
14Parallel circuits add the 220V civil power, pay limit D through B
1D
2Rectification, C
1After the filtering by DW voltage stabilizing, R
1, BG
1Export a burning voltage, LED
1Bright.Because C during start
2Voltage can not suddenly change, so U
1:EInput be high potential, be output as electronegative potential, through R
3Current limliting, BG
2Conducting, the relay J coil gets electric, and the normally opened contact adhesive guarantees that the former limit of B gets.Simultaneously, the work of switching on and shutting down judging circuit, U
1:AInput high level, output low level is through R
9Make U
1:CInput low level, output high level are through D
8Clamp A point makes its high level, through R
8Make U
1:BInput high level, output low level, D
9End D
6Conducting is because C
2There is not the approach of discharge rapidly, U
1: the E state is constant.When K unclamps, recover N and e and connect U
1:AInput low level, output high level, D
6End, through R
9Make U
1:CInput high level, output low level, D
8End, but through R
8Make U
1:BInput low level, output high level are through R
7Make the A point still keep high level, D
9Conducting, clamp U
1: C is input as high level, guarantees D
8End, make U
1:EState is constant, BG
2Conducting, the former limit of J adhesive B gets electric, and load socket TU and extension socket UID have 220V output, load operate as normal.Click K during shutdown, the work of switching on and shutting down judging circuit, U
1:ABe input as high level, be output as low level, D
6Conducting is because D
9Clamp and R
9Step-down makes U
1:CInput still keeps high level, output low level, D
8End C
2Through D
7, D
6, R
6Charging makes U
1:EInput voltage descends, during to threshold values, and U
1:ECounter-rotating is output as high level, BG
2End, the J coil losing electricity, normally opened contact discharges, and after K unclamped, TU, UID promptly cut off the power supply.The C of switching on and shutting down judging circuit among Fig. 1
3Effect is to make U
1:BInput high level when start, C
4For eliminating contact chatter, R
6, R
7Be current-limiting resistance.
After the remote control colour TV set operate as normal, because R
14Be serially connected in the load circuit, load current is at the sample resistance R of state detection circuit
14On pressure drop make BG
3Conducting is through BG
3, C
5, R
10Filtering makes U behind the removal Alternating Component
1:DBe input as low level, be output as high level, LED
2Oppositely end U
1:EBe input as high level, delay time and do not work, guarantee the positive often-have-electricity of J coil.When remote control colour TV set standby (shutdown), R flows through
14Electric current reduce, when being lower than BG
3During conducting voltage, BG
3End U
1:DBe input as high level, be output as low level, LED
2Bright, the C of delay circuit
2Pass through R
4Slowly charging (time-delay), U
1:EThe input current potential descends gradually, during to threshold voltage, and U
1:ECounter-rotating makes BG
2End, the J coil blackout reaches the purpose of shutdown, LED
2Go out.If start shooting again, then can keep normal detected state at the time delay internal burden.R among Fig. 1 in the state detection circuit
15, D
10Be protection component, avoid just in case sampling part is opened a way and cause fault to enlarge; R
11Be feedback resistance, state detection circuit is operated in the bistable state state of certain return difference; D
3, D
4Be protection sample resistance R
14.
Over-voltage detection circuit work is: adjust potentiometer W, make U
1:FWhen operate as normal, be in the high level input, JD
5End.When line voltage rose to set point, W connect the negative power end current potential and reduces U
1:FCounter-rotating, D
5Conducting, U
1:BThe input electrical level rising, to threshold values, U
1:BCounter-rotating, output low level is passed through R
13Feed back to U
1:FInput, make U
1:BOutput reaches low level, C rapidly
2Pass through D
7, R
7Quick charge makes U
1:EInput terminal voltage descends, during to threshold values, and U
1:ECounter-rotating makes BG
2End, make the J coil losing electricity, discharge outage, play the overvoltage protection effect.
The utility model compared with prior art because power circuit has adopted transformer, has been used sampling protecting component R in the state detection circuit15、D
10、D
3、D
4, designed over-voltage detection circuit, switching on and shutting down judging circuit and extension socket UID; And have the several functions such as little power consumption, reliable, overvoltage protection, at once shutdown, be suitable for all size model remote control colour TV set and with the electrical equipment of three associated, the advantages such as power switch that can complete replacing TV.
Claims (5)
1, a kind of remote control colour TV set shutdown circuit breaking controller, shell, power circuit, input, comparison circuit, delay circuit, main circuit are arranged, it is characterized in that: input, comparison circuit are state detection circuit and switching on and shutting down judging circuit, and its power circuit is by transformer B and is connected to the diode D that B pays the limit
1, D
2, capacitor C
1, voltage-stabiliser tube DW, triode BG
1, resistance R
1, R
2, LED
1The series connection stabilized voltage power supply of forming, state detection circuit is by the diode connected in parallel D that is connected to the former limit of B
3, D
4, resistance R
14And triode BG
3, diode D
10, resistance R
5, R
10, R
11, R
15, capacitor C
5, inverter U
1: E, LED
2Form, delay circuit is by capacitor C
2, resistance R
4And inverter U
1: DForm, the switching on and shutting down judging circuit is by inverter U
1: A, U
1: B, U
1: C, resistance R
5, R
7, R
8, R
9, R
12, capacitor C
3, C
4, diode D
6, D
7, D
8, D
9Form, main circuit is by resistance R
3, triode BG
2, relay J, button switch K form, load socket TU one is terminated at former limit, the other end and BG emitter, the D of B
3, D
4, R
14Link to each other.
2, remote control colour TV set shutdown circuit breaking controller according to claim 1 is characterized in that: over-voltage detection circuit is arranged, by potentiometer W, inverter U behind the power circuit
1:F, diode D
5, resistance R
13Form.
3, remote control colour TV set shutdown circuit breaking controller according to claim 2 is characterized in that: adopt a slice CMOS hex inverter as the inverter in state detection circuit, delay circuit, switching on and shutting down judging circuit, the over-voltage detection circuit.
4, according to the described remote control colour TV set shutdown of claim 2 circuit breaking controller, it is characterized in that: also there is extension socket UID on the former limit of transformer B.
5, according to the described remote control colour TV set shutdown of claim 4 circuit breaking controller, it is characterized in that: power line inlet S, button switch K, start indicator light LED, status indicator lamp LED are housed on the shell
2, load socket TU, extension socket UID.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 93221597 CN2167492Y (en) | 1993-08-12 | 1993-08-12 | Remote control device for colour TV sets for turning off power supply when switched out |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 93221597 CN2167492Y (en) | 1993-08-12 | 1993-08-12 | Remote control device for colour TV sets for turning off power supply when switched out |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2167492Y true CN2167492Y (en) | 1994-06-01 |
Family
ID=33800403
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 93221597 Expired - Fee Related CN2167492Y (en) | 1993-08-12 | 1993-08-12 | Remote control device for colour TV sets for turning off power supply when switched out |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2167492Y (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101442305B (en) * | 2008-10-06 | 2011-05-04 | 青岛海信电器股份有限公司 | Remote-control closedown controller without power consumption |
-
1993
- 1993-08-12 CN CN 93221597 patent/CN2167492Y/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101442305B (en) * | 2008-10-06 | 2011-05-04 | 青岛海信电器股份有限公司 | Remote-control closedown controller without power consumption |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 |