CN204793464U - Can make an appointment supply socket of break -make - Google Patents
Can make an appointment supply socket of break -make Download PDFInfo
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- CN204793464U CN204793464U CN201520517547.9U CN201520517547U CN204793464U CN 204793464 U CN204793464 U CN 204793464U CN 201520517547 U CN201520517547 U CN 201520517547U CN 204793464 U CN204793464 U CN 204793464U
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- supply socket
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- power supply
- time
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Abstract
The utility model discloses a can make an appointment supply socket of break -make, its characterized in that: including power supply circuit, current detection and converting circuit, controller and peripheral circuit. The utility model provides a traditional power supply socket can not multiple mode the problem of reservation switch -on and deenergization to have the commercial power of preventing tripping operation and load overload protection function, control the make -break time accuracy moreover, the convenient and visual characteristics such as well of easy operation, this supply socket's use can improve domestic appliance's availability factor, still can practice thrift a large amount of energy and resource.
Description
Technical field
The utility model relates to supply socket equipment technical field, is specifically related to a kind of supply socket of preengaging break-make.
Background technology
Along with the fast development of science and technology, household electrical appliance great majority are with reservation start-up performance, namely then start working at subscription time, but still the early stage household electrical appliance of the overwhelming majority generally used, as electric cooker, electric fan, electric car charger, pedicure basin etc. can not realize preengaging start-up performance, can not eliminate again, otherwise the waste of ample resources can be caused.At present, market also occurs few in number can the supply socket of timing, in household electrical appliance use, serve certain positive role, but it is functionally perfect not enough, still has the following disadvantages:
1, operation is visual poor: the time of reservation timing can not be shown, and subscription time error is larger.
2, reservation function is single: great majority can regular convenience receptacle, or reservation switches on power the time only, or preengages the deenergization time only, and preengages the concrete time of on/off only, can not preengage break-make power supply after certain time period.
3, without anti-power supply trip avoidance function: in household electrical appliance use procedure, if occur city's electric tripping time, many can regular convenience receptacle can will reservation time reset, can not according to user setting time again voluntarily start carry out work.
4, unprotect function: most supply socket in use, if load exceeds its rated value, due to the thermal effect of electric current, all can make it burn, even cause fire.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of supply socket of preengaging break-make; the utility model solves conventional electrical outlet can not preengage the problem switching on and off power supply by various ways; and there is anti-city electric tripping and load overload protection function; and it is accurate to control make-and-break time; simple to operation and the visual feature such as good; the use of this supply socket, can improve the service efficiency of household electrical appliance, also can save mass energy and resource.
The utility model is achieved through the following technical solutions:
Preengage a supply socket for break-make, it is characterized in that: comprise power circuit, current detecting and change-over circuit, controller and peripheral circuit;
Described power circuit comprises step-down transformer, rectification circuit, voltage stabilizing circuit, filtering and building-out capacitor and accumulator, described step-down transformer is demoted to line voltage, convert alternating current is become direct current by described rectification circuit, DC power conversion after rectification is become galvanic current by described voltage stabilizing circuit, described filter capacitor is connected in parallel on rectification circuit two ends, stablize the output voltage after rectification, building-out capacitor is connected in parallel on the input and output two ends of voltage stabilizing chip, play frequency compensation and anti-self-oscillation effect, described accumulator realizes maintaining controller when the civil power short time trips by charging energy-storing and normally works,
Described current detecting and change-over circuit comprise current transformer, change-over circuit and A/D change-over circuit, described current transformer is demoted to supply socket total load current, described change-over circuit will convert direct voltage 0 ~ 5V to by alternating current after current transformer degradation, and described A/D change-over circuit converts the analog signals of direct voltage to corresponding digital quantity signal;
Described controller and peripheral circuit comprise the outer eeprom memory chip of controller, keyboard circuit, time and status display circuit, relay, clock chip and sheet, controller is connected with relay with keyboard circuit, time and status display circuit respectively, and passes through virtual I
2c bus is connected with clock chip and the outer eeprom memory chip of sheet.
The further Technological improvement plan of the utility model is:
Civil power 220V voltage is reduced to and is exchanged 6V by described power circuit, and then after rectification, filtering, voltage stabilizing, produce 5V DC power supply, 5V DC power supply is for controller and peripheral circuit;
The further Technological improvement plan of the utility model is:
On described keyboard circuit, correspondence is provided with button, and button is can the roller of forward and reverse rotation, is determined by the positive direction of pair roller, opposite direction and the adjusted value of push action to set parameter.
The further Technological improvement plan of the utility model is:
Described relay comprises power supply latching relay KA1, and jack power supply introduces relay K A2 ~ KAn.
The further Technological improvement plan of the utility model is:
Described controller adopts chip AT89S51 single-chip microcomputer, A/D conversion chip adopts ADC0832, clock chip to adopt DS1320, the outer eeprom memory chip of sheet adopts AT24C02, and time and status display circuit adopt 4 eight sections of common anode pole charactrons and at least 8 light-emitting diodes.
The utility model compared with prior art, has following obvious advantage:
One, the utility model adopts charactron and light-emitting diode as display element, and it is clear to show, and to subscription time to arrange precision higher, a pair roller carries out rotating or pressing operating, easy to use;
Two, the utility model has anti-civil power trip avoidance function, and when civil power restores electricity at short notice, user, without the need to again pressing start button, namely has tripping operation power-off self-starting function;
Three, the utility model has load overload protection function, if this supply socket connects, household electrical appliance load is too much or single load is excessive, namely load current value exceedes the maximum current that this supply socket line bears, then can start overload protection function immediately, make whole supply socket and load deenergization, thus stop to cross ambassador's supply socket because of household electrical appliance load current and burn thus the generation causing fire phenomena;
Four, the utility model switches on and off power supply function because having to preengage, and can avoid peak times of power consumption, thus play the object of energy savings, early stage household electrical appliance can be made simultaneously to obtain utilizing effectively fully, serve again the object economized on resources.
Accompanying drawing explanation
Fig. 1 is control principle schematic diagram of the present utility model;
Fig. 2 is structural representation of the present utility model.
Embodiment
As Fig. 1, shown in Fig. 2, the utility model comprises power circuit 13, current detecting and change-over circuit, controller 15 and peripheral circuit, power circuit 13 comprises step-down transformer, rectification circuit, voltage stabilizing circuit, filtering and building-out capacitor and accumulator, civil power 220V voltage is reduced to and is exchanged 6V by power circuit 13, then through rectification, filtering, 5V DC power supply is produced after voltage stabilizing, the direct current 5V power supply produced supplies controller 15 and peripheral circuit as A/D change-over circuit 11, clock chip 12, keyboard circuit 14, time and status display circuit 16, relay 17, sheet external memory chip 18 uses, described current detecting and change-over circuit comprise current transformer 9, change-over circuit 10 and A/D change-over circuit 11, demote being connected to household electrical appliance total load current all in this supply socket 2 through current transformer 9, and be converted to direct voltage 0 ~ 5V by change-over circuit 10, then convert the analog signals of direct voltage to corresponding digital quantity signal through A/D change-over circuit 11, flow to controller 15, controller 15 and peripheral circuit comprise the outer eeprom memory chip 18 of clock chip 12, keyboard circuit 14, time and status display circuit 16, relay 17 and sheet, controller 15 is connected with relay 17 with keyboard circuit 14, time and status display circuit 16 respectively, passes through virtual I
2c bus is connected with clock chip 12 and the outer eeprom memory chip 18 of sheet, keyboard circuit 14 correspondence arranges roller 22, for the corrective system time, switches on and off the setting of power supply time and the setting to household electrical appliance total load current overload values to the reservation of each supply hub, time and status display circuit 16 are made up of 4 common anode pole charactrons 19 and at least 8 light-emitting diodes 20, and for showing the system time, each jack 23 preengages power on/off source time and various state indicates, the jack power supply that relay 17 comprises power supply latching relay KA1 and each jack 23 power supply introducing kept for controller 15 power supply introduces relay K A2 ~ KAn, wherein KA14 is the normally opened contact of power supply latching relay, and KA26 to KAn8 is the corresponding normally opened contact of each jack 23 power supply introducing relay, clock chip 12 is used for generation system real-time time, the outer eeprom memory chip 18 of sheet is used for memory system data settings.Wherein, chip external memory eeprom chip 18 is used for preserving all parameters that user is arranged, and in figure, 1 is used for connecting the plug of civil power for this utility model, and 3 corresponding in kind 21 is the button AN of this supply socket 2 of startup.
Composition graphs 1, Fig. 2 sketch utility model works process:
Mains plug 1 in this supply socket 2 is connected with civil power, press start button AN3, corresponding diagram 2 material object 21, power circuit 13 will produce stable 5V DC power supply, for controller 15 and peripheral circuit, power supply latching relay KA1 coil obtains electric, its normally opened contact KA14 closes, continue to provide 5V DC power supply to controller 15 and peripheral circuit, now, charactron 19 shows the system time, and the light-emitting diode for power supply instruction and system time instruction is bright, carries out charging energy-storing to accumulator simultaneously, by the 22 pairs of system times of the roller on keyboard circuit 14, make-and-break time and the load overload current value of each jack 23 are arranged, long reaching by roller 22 can enter optimum configurations state in more than 2 seconds, then parameter to be modified is selected by the rotation of roller 22, pressing roller 22 enters this parameter modification state in short-term, forward and reverse swing roller 22 carries out modify parameteri, after having revised, pressing roller 22 represents confirmation modified values in short-term again, all parameters are all modified by method described above, reach more than 5 seconds non-pair rollers 22 to carry out any operating system and automatically exit optimum configurations state, namely working state of system is entered, under optimum configurations state, if current charactron 19 is shown as system time, namely the light-emitting diode for system time instruction is bright, by pressing roller 22, namely system time is corrected, now system time " time " with second level flicker, namely now can to system time " time " correct, by roller 22 positive direction rotate add 1 or opposite spin subtract 1 pair of system time " time " correct, after correcting, pressing roller 22 represents confirmation, simultaneity factor time " dividing " is again with level flicker second, represent current to correct " dividing " of system time, after correcting, pressing roller 22 represents confirmation, after pressing roller 22 confirms system time, the light-emitting diode of system time instruction extinguishes, simultaneously bright for transshipping the light-emitting diode of instruction, now rotated can be arranged the overload current value of household electrical appliance total load by the both forward and reverse directions of roller 22, method is the same, after overload current value sets, the light-emitting diode indicated for the first jack 23 is bright, also light for preengaging the light-emitting diode connecting instruction simultaneously, rotated by the both forward and reverse directions of roller 22 and first jack 23 power on time is arranged, after pressing roller 22, extinguish for preengaging the light-emitting diode connecting instruction, connect for time delay the light-emitting diode indicated bright simultaneously, certain section of time value that the first jack 23 can be set and switch on power is rotated by the both forward and reverse directions of roller 22, also can arrange the deenergization time of the first jack 23 or deenergization section time value simultaneously.According to the method described above, time value setting is carried out to the second to the n-th jack 23 simultaneously, if be provided with reservation to a certain jack 23 connect or preengage opening time simultaneously, be provided with again time delay sometime section be switched on or switched off, then preferential answering reservation is connected or is preengage opening time, if by reservation connect or reservation opening time be set to 0, then respond time delay sometime section be switched on or switched off power supply; If reservation is connected and opening time and time delay sometime section to connect and the deenergization time is all set to 0, then corresponding jack 23 demand working power supply and be in the state that often switches on power.When there being household electrical appliance to insert this supply socket 2, and the reservation turn-on time of a certain jack 23 or time delay turn-on time are then, this jack 23 power supply is introduced relay coil and is obtained electric, its normally opened contact as 7 close, namely this jack 8 introduces power supply, now current transformer 9 is devoted oneself to work, household electrical appliance load current in supply socket 2 is demoted, by converting direct voltage 0 ~ 5V to after change-over circuit 10, this direct voltage analog signals converts the digital quantity of corresponding size to after A/D change-over circuit 11, to controller 15, the actual value of load current is become after this digital quantity signal via controller 15 process conversion.When reservation opening time of a certain jack 23 or time delay opening time then, this jack power supply introduces relay coil dead electricity, and its normally opened contact disconnects as 7, and namely this jack 8 is disconnected power supply.When the current value of household electrical appliance total load is more than or equal to overload current value set by system; controller 15 output signal makes power supply latching relay KA1 coil losing electricity; its normally opened contact 4 disconnects; thus make supply socket 2 and access all household electrical appliance in this supply socket 2 to lose power supply; protect supply socket 2, electric fire incident can not be caused.Under working state of system, in short time, double pressing roller 22 enters and disconnects jack power supply status immediately, charactron 19 shows in jack 23 the minimum jack number " jack number is 1 to n " switched on power, all jacks of switching on power of display capable of circulation number and ALL on swing roller 22 charactron 19, select wherein a certain jack number, long pressing roller 22 reaches more than 2 seconds, and this jack 23 can be made to lose power supply immediately; If that display is ALL on charactron 19, long pressing roller 22 reaches and all jacks 23 within more than 2 seconds, can be made to lose power supply immediately, and the relay K A1 coil of power supply self-locking simultaneously also will lose power supply, and namely supply socket 2 will disconnect with civil power; If do not carry out opening operation immediately to all jacks 23, in the short time, double pressing roller 22 can exit disconnection jack 23 power supply status immediately again, and enters working state of system.
Technological means disclosed in the utility model scheme is not limited only to the technological means disclosed in above-mentioned execution mode, also comprises the technical scheme be made up of above technical characteristic combination in any.It should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle, can also make some improvements and modifications, these improvements and modifications are also considered as protection range of the present utility model.
Claims (5)
1. can preengage a supply socket for break-make, it is characterized in that: comprise power circuit, current detecting and change-over circuit, controller and peripheral circuit;
Described power circuit comprises step-down transformer, rectification circuit, voltage stabilizing circuit, filtering and building-out capacitor and accumulator, described step-down transformer is demoted to line voltage, convert alternating current is become direct current by described rectification circuit, DC power conversion after rectification is become galvanic current by described voltage stabilizing circuit, described filter capacitor is connected in parallel on rectification circuit two ends, stablize the output voltage after rectification, building-out capacitor is connected in parallel on the input and output two ends of voltage stabilizing chip, play frequency compensation and anti-self-oscillation effect, described accumulator realizes maintaining controller when the civil power short time trips by charging energy-storing and normally works,
Described current detecting and change-over circuit comprise current transformer, change-over circuit and A/D change-over circuit, described current transformer is demoted to supply socket total load current, described change-over circuit will convert direct voltage 0 ~ 5V to by alternating current after current transformer degradation, and described A/D change-over circuit converts the analog signals of direct voltage to corresponding digital quantity signal;
Described controller and peripheral circuit comprise the outer eeprom memory chip of controller, keyboard circuit, time and status display circuit, relay, clock chip and sheet, controller is connected with relay with keyboard circuit, time and status display circuit respectively, and passes through virtual I
2c bus is connected with clock chip and the outer eeprom memory chip of sheet.
2. a kind of supply socket of preengaging break-make according to claim 1, it is characterized in that: civil power 220V voltage is reduced to and exchanged 6V by described power circuit, then after rectification, filtering, voltage stabilizing, produce 5V DC power supply, 5V DC power supply is for controller and peripheral circuit.
3. a kind of supply socket of preengaging break-make according to claim 1 and 2, it is characterized in that: on described keyboard circuit, correspondence is provided with button, button is can the roller of forward and reverse rotation, is determined by the positive direction of pair roller, opposite direction and the adjusted value of push action to set parameter.
4. a kind of supply socket of preengaging break-make according to claim 1 and 2, is characterized in that: described relay comprises power supply latching relay KA1, and jack power supply introduces relay K A2 ~ KAn.
5. a kind of supply socket of preengaging break-make according to claim 1 and 2, it is characterized in that: described controller adopts chip AT89S51 single-chip microcomputer, A/D conversion chip adopts ADC0832, clock chip to adopt DS1320, the outer eeprom memory chip of sheet adopts AT24C02, and time and status display circuit adopt 4 eight sections of common anode pole charactrons and at least 8 light-emitting diodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520517547.9U CN204793464U (en) | 2015-07-17 | 2015-07-17 | Can make an appointment supply socket of break -make |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520517547.9U CN204793464U (en) | 2015-07-17 | 2015-07-17 | Can make an appointment supply socket of break -make |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204793464U true CN204793464U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520517547.9U Expired - Fee Related CN204793464U (en) | 2015-07-17 | 2015-07-17 | Can make an appointment supply socket of break -make |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204793464U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105006703A (en) * | 2015-07-17 | 2015-10-28 | 淮安信息职业技术学院 | Power supply socket capable of reserving on-off |
-
2015
- 2015-07-17 CN CN201520517547.9U patent/CN204793464U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105006703A (en) * | 2015-07-17 | 2015-10-28 | 淮安信息职业技术学院 | Power supply socket capable of reserving on-off |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20170717 |