CN1419218A - Time controller for power supply of domestic entertainment electric appliances - Google Patents
Time controller for power supply of domestic entertainment electric appliances Download PDFInfo
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- CN1419218A CN1419218A CN 02158731 CN02158731A CN1419218A CN 1419218 A CN1419218 A CN 1419218A CN 02158731 CN02158731 CN 02158731 CN 02158731 A CN02158731 A CN 02158731A CN 1419218 A CN1419218 A CN 1419218A
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Abstract
The invention refers to a power time controller for domestic entertainment electrical appliances, it is made up of locked box, the powe socket connected with relay contact and electronic card, the jack is fixed in box, the domestic entertainment electrical appliances power is inserted in the socket, the electronic card input the time limiting information, the patriarch can hold the on and off time exactly acocrding to the control of single chip and display of digital monitor.
Description
Technical field
The present invention relates to a kind of power supply time controller, refer in particular to and a kind ofly can excessively use recreational household electrical appliance power supply time controllers such as TV, game machine by head of a family's performance constraint child.
Background technology
Along with the raising of people's living standard and enriching of recreational household electronic products, there are increasing children to utilize the time after school to watch recreational household electrical appliance such as TV, Play Station games or operating computer in the family, because the head of a family is busy, can not in time manage, or because the more weak children of ability of self control do not listen dissuasion, make them waste a lot of times, even cause learning time minimizing, school grade to glide or healthy decline.At this situation, some heads of a family usually can take to reprimand or corporal punishment child's method, to guarantee their learning time, fall flat but do not only like this, also can influence the emotion between the child and the head of a family, cause vicious cycle.Though various timing device are also arranged, because inconvenient operation does not have real effect.
Summary of the invention
Technical matters to be solved by this invention provides a kind of home entertaining appliances power source time controller, it is with the method for limit switch power supply, reach the purpose that the restriction children use home entertaining electrical equipment, this power supply time controller is simple in structure, easy to operate, be not easy to be dismantled by child, can reset the time range of control according to actual needs simultaneously.
The technical scheme that the present invention is adopted for its technical matters of solution is: a kind of home entertaining appliances power source time controller, comprise the machine box 1 that constitutes by box body and lid, supply socket 2, direct supply 8 and be installed in time control circuit in the machine box, also comprise card reader 4 and electronic cards 9, wherein supply socket 2 is fixed in the machine box 1, be provided with a Hasp lock 3 between box body and the lid, offer lead slotted eye 5 on the box body, the attaching plug of home entertaining electrical equipment links to each other with supply socket 2 by this a lead slotted eye and a lead locking device, the power supply lead wire of supply socket 2 joins by this lead slotted eye and external power source, be provided with a relay normally open contact 71 between attaching plug and the power supply lead wire, card reader 4 is fixed on the machine box 1, its signal output part is connected with time control circuit, be packaged with series eeprom in the electronic cards 9, will can provide the time of unlatching or powered-down after these electronic cards 9 insertion card reader 4 to time control circuit.
Time control circuit is by single-chip microcomputer U4; microcontroller power supply 5; clock unit U2; display driver unit U1; nixie display 6 and relay 7 constitute; direct supply 8 converts the power-off protection power supply to through microcontroller power supply 5; the output terminal of microcontroller power supply 5 links to each other with the power supply supply side of single-chip microcomputer U4 and clock unit U2 respectively; the I/O port of the monitoring sampling end of microcontroller power supply 5 and single-chip microcomputer U4 joins; the output terminal of clock unit U2 and the SLC clock line and the SDA data line that are connected to single-chip microcomputer U4 after the output terminal of card reader 4 is in parallel; clock unit U2 offers single-chip microcomputer can be for date Hour Minute Second data relatively; single-chip microcomputer U4 controls gating from the data of clock unit U2 and the data of card reader 4 by software program; and both data are compared; control the result by the time output that electronic cards 9 is set; the I/O port of single-chip microcomputer U4 links to each other with nixie display 6 by display driver unit U1; be used to show data excess time; the I/O port of single-chip microcomputer U4 also joins by a driver Q1 and relay 7; the serial port of single-chip microcomputer U4 is connected with the serial port of controlled home entertaining electrical equipment, in order to send the instruction of opening or closing digital device.
The invention has the beneficial effects as follows: because the present invention adopts electronic cards signal input time; by the control of single-chip microcomputer and the demonstration of nixie display; the head of a family can accurately control the time that starts power supply and powered-down; use recreational household electrical appliance time length and effectively control children, reach protection children ' s vision and the purpose that guarantees learning time.Because time control circuit is installed in the machine box that locks, be not easy to be dismantled, again so control effective by child.The present invention also has the characteristics simple to operate and the function of power-off protection.
Description of drawings
Fig. 1 is a mounting structure synoptic diagram of the present invention.
Fig. 2 is this practical novel circuit principle type calcspar.
Fig. 3 is this practical novel circuit schematic diagram.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is done to describe in further detail.
As shown in Figure 1, a kind of home entertaining electrical equipment time controller comprises machine box 1, supply socket 2, the direct supply 8 that is made of box body and lid and is installed in time control circuit in the machine box, also comprises card reader 4 and electronic cards 9.Supply socket 2 is fixed in the machine box 1, and a side of box body and lid is coupling mutually, and another side is by Hasp lock 3 interlockings.Offer lead slotted eye 5 on the box body, the attaching plug of home entertaining electrical equipment links to each other with supply socket 2 by this a lead slotted eye and a lead locking device, makes attaching plug can not extract the machine box.The power supply lead wire of supply socket 2 joins by this lead slotted eye and external power source, is provided with a relay normally open contact 71 between attaching plug and the power supply lead wire, and the control by time control circuit switches on or off communication power supply.Card reader 4 is fixed on the machine box 1, its signal output part is connected with time control circuit, be packaged with series eeprom in the electronic cards 9, in writing the card device, after the write time data, can provide the time of unlatching or powered-down after the insertion card reader 4 with electronic cards 9 to time control circuit.
Time control circuit is the single-chip microcomputer U4 of LPC764 by model; microcontroller power supply 5; model is the clock unit U2 of PCF8583; model is the displacement display driver unit U1 of 74HC164; nixie display 6 and relay 7 constitute; direct supply 8 converts the power-off protection power supply to through microcontroller power supply 5; the output terminal of microcontroller power supply 5 links to each other with the power supply supply side of single-chip microcomputer U4 and clock unit U2 respectively; be connected with the electrolytic condenser of one 4700 μ in this microcontroller power supply 5 through the positive pole of reverse diode and direct supply 8; or be connected with the battery of a 3.6V; when direct supply cuts off the power supply, offer single-chip microcomputer U4 and clock unit U2 power supply by capacitor discharge or powered battery.Microcontroller power supply 5 forms the monitoring sampling end by divider resistance R1 and the R2 that is connected in series with direct supply, and the I/O port P04 of this end and single-chip microcomputer U4 joins.The output terminal of clock unit U2 and the SLC clock line and the SDA data line that are connected to single-chip microcomputer U4 after the output terminal of card reader 4 is in parallel, clock unit U2 offers single-chip microcomputer year, month, day, hour, min, second data accurately, single-chip microcomputer U4 controls the timesharing gating from the data of clock unit U2 and the data of card reader 4 by software program, and both data are compared, export control signal by the time that electronic cards 9 is set, thereby reach the purpose of control electrical appliance.Four I/O ports such as the P00 of single-chip microcomputer U4, P17, P01, P02 link to each other with nixie display 6 by display driver unit U1, are used to show data excess time, and the P07 port of single-chip microcomputer U4 also joins by a triode Q1 and relay 7.The serial port of single-chip microcomputer U4 is connected with the serial port of controlled home entertaining electrical equipment, in order to send the instruction of opening or closing digital device.
In family; after home entertaining electrical equipment time controller of the present invention is installed; under the prerequisite that guarantees Electrical Safety; the head of a family can be by the time of write-enable power supply in electronic cards and powered-down; use recreational household electrical appliance time length and effectively control children, reach protection children ' s vision and the purpose that guarantees learning time.
Claims (6)
1, a kind of home entertaining appliances power source time controller, comprise the machine box (1) that constitutes by box body and lid, supply socket (2), direct supply (8) and be installed in time control circuit in the machine box, it is characterized in that: also comprise card reader (4) and electronic cards (9), described supply socket (2) is fixed in the machine box (1), be provided with a Hasp lock (3) between described box body and the lid, offer lead slotted eye (5) on the described box body, the attaching plug of home entertaining electrical equipment links to each other with supply socket (2) by this lead slotted eye, the power supply lead wire of supply socket (2) joins by this lead slotted eye and external power source, be provided with a relay normally open contact (71) between attaching plug and the power supply lead wire, described card reader (4) is fixed on the machine box (1), its signal output part is connected with time control circuit, electronic cards is packaged with series eeprom in (9), will can provide the time of unlatching or powered-down after this electronic cards (9) insertion card reader (4) to time control circuit.
2, according to claim 1 described home entertaining appliances power source time controller, it is characterized in that: in described machine box, be provided with a lead locking device.
3; according to claim 1 described home entertaining appliances power source time controller; it is characterized in that: described time control circuit is by single-chip microcomputer (U4); microcontroller power supply (5); clock unit (U2); display driver unit (U1); nixie display (6) and relay (7) constitute; direct supply (8) converts the power-off protection power supply to through microcontroller power supply (5); the output terminal of microcontroller power supply (5) links to each other with the power supply supply side of single-chip microcomputer (U4) and clock unit (U2) respectively; an I/O port of the monitoring sampling end of microcontroller power supply (5) and single-chip microcomputer (U4) joins; the output terminal of clock unit (U2) and the SLC clock line and the SDA data line that are connected to single-chip microcomputer (U4) after the output terminal of card reader (4) is in parallel; clock unit (U2) offers single-chip microcomputer can be for year relatively; month; day; the time; divide; second data; single-chip microcomputer (U4) is controlled the timesharing gating from the data of clock unit (U2) and the data of card reader (4) by software program; and both data are compared; control the result by the time output that electronic cards (9) is set; the I/O port of single-chip microcomputer (U4) links to each other with nixie display (6) by display driver unit (U1); be used to show data excess time; the I/O port of single-chip microcomputer (U4) also joins by a driver (Q1) and relay (7); the serial port of single-chip microcomputer (U4) is connected with the serial port of controlled home entertaining electrical equipment, in order to send the instruction of opening or closing digital device.
4, according to claim 3 described home entertaining appliances power source time controllers, it is characterized in that: the electrochemical capacitor that in described microcontroller power supply (5), is connected with one 4700 μ-1P through the positive pole of reverse diode and direct supply (8).
5, according to claim 3 described home entertaining appliances power source time controllers, it is characterized in that: the battery that in described microcontroller power supply (5), is connected with a 3.6V through the positive pole of reverse diode and direct supply (8).
6, according to claim 3 described home entertaining appliances power source time controllers, it is characterized in that: described electronic cards (9) can be write card device write time data by another one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02158731 CN1419218A (en) | 2002-12-26 | 2002-12-26 | Time controller for power supply of domestic entertainment electric appliances |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02158731 CN1419218A (en) | 2002-12-26 | 2002-12-26 | Time controller for power supply of domestic entertainment electric appliances |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1419218A true CN1419218A (en) | 2003-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02158731 Pending CN1419218A (en) | 2002-12-26 | 2002-12-26 | Time controller for power supply of domestic entertainment electric appliances |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1419218A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100437401C (en) * | 2005-07-13 | 2008-11-26 | 深圳鼎识科技有限公司 | Vision protection device with timing function and screen display electrical appliance |
-
2002
- 2002-12-26 CN CN 02158731 patent/CN1419218A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100437401C (en) * | 2005-07-13 | 2008-11-26 | 深圳鼎识科技有限公司 | Vision protection device with timing function and screen display electrical appliance |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |