CN202716566U - Intelligent power supply applied to ink-jet printer - Google Patents
Intelligent power supply applied to ink-jet printer Download PDFInfo
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- CN202716566U CN202716566U CN 201220313403 CN201220313403U CN202716566U CN 202716566 U CN202716566 U CN 202716566U CN 201220313403 CN201220313403 CN 201220313403 CN 201220313403 U CN201220313403 U CN 201220313403U CN 202716566 U CN202716566 U CN 202716566U
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Abstract
The utility model discloses an intelligent power supply applied to an ink-jet printer. According to an embodiment, the intelligent power supply applied to the ink-jet printer comprises a main board, a self-locking key, a key detecting circuit, a first switching circuit, a second switching circuit, a first feedback circuit, an OR gate circuit, a first power supply and a second power supply. By controlling the state of each module, the working mode of the intelligent power supply in the embodiment can be switched among a power-off mode, a sleep mode, an initialization mode, a working mode and a shut-off mode. According to the intelligent power supply with a compact structure, an ink-jet printer system is turned on and off by adopting the self-locking key, so that operation of an user is very convenient, and complex instructions are not required to be finished; and control of a series of states and actions and power-on program control of peripheral circuits are realized by a control system of the intelligent power supply through program setting of the printer.
Description
Technical field
The utility model belongs to power technique fields, relates to especially a kind of intelligent power that is applied to ink-jet printer.
Background technology
Multiple power supplies on the existing market is not supported the function of each road power supply different time switching on and shutting down, does not support a key switch machine simultaneously yet.A key switch machine function of having used mostly is used on the mobile phone, and what adopt is the crawl knob, and the crawl knob is not suitable as power button at main equipment.The signal that the crawl knob sends is a pulse signal, if this pulse signal duration is too short, might not be received by the system, and generally presses this key by length and address this problem on mobile phone.Be a lasting signal and the self-locking button sends, the triggering that the very important person is could change this signal, so this signal is reliable.Thereby the reliable signal that general employing self-locking key switch sends on main equipment is as the switching on and shutting down signal.
Existing wide format ink jet printer during shutdown, does not all have automatically to protect the function of shower nozzle, could shut down after manually protecting shower nozzle before shutdown.Because need manually operation, sometimes can forget the protection shower nozzle before the shutdown, very large to the shower nozzle infringement, cause unnecessary economic loss.Forget the protection shower nozzle, the unused time is long, and the ink on shower nozzle can be air-dry, blocks nozzle, so that shower nozzle can not spray ink, and valuable shower nozzle scrapped.
The power supply of existing wide format ink jet printer, when the printer peripheral components went wrong, the back printer mainboard was not closed the power supply of peripheral components, can only be artificial the complete machine power-off, be unfavorable for searching of problem reason, cause the maintenance inconvenience.The wide format ink jet printer that performance is complete all needs to detect work and the location status of a series of parts before the open and close machine, and need to finish some necessary operations and work in coordination with the work of peripheral circuit and the program that powers on.
Though the power supply support closure peripheral power supply of wide format ink jet printer, what adopt is the vertical power supplys of several components, rather than integrated power supply, takies volume large, and cost is high, and wiring is complicated, is unfavorable for after-sales service, also is unfavorable for reducing the printer volume.
Therefore; for the defects that exists in the present prior art; be necessary to study in fact; so that a kind of scheme to be provided; solve the defective that exists in the prior art, avoid causing that the ink-jet printer power supply architecture is complicated, volume is large, safeguard inconvenient and can not a key switch machine, the problem such as shower nozzle protection need be set before the shutdown manually.
The utility model content
For addressing the above problem, the purpose of this utility model is to provide a kind of intelligent power that is applied to ink-jet printer, is used for providing a kind of intelligent power of compact conformation, adopts the self-locking button to realize a key switch inkjet printer system.
For achieving the above object, the technical solution of the utility model is:
A kind of intelligent power that is applied to ink-jet printer comprises mainboard, self-locking button, key press detecting circuit, the first on-off circuit, second switch circuit, the first feedback circuit, OR circuit, the first power supply and second source;
Described mainboard comprises motherboard power supply and microcontroller, and described microcontroller further comprises power control terminal and signal detection end;
Described the first on-off circuit comprises the first Enable Pin, the 3rd end and the 4th end, described the 4th termination external power source, the input of described the 3rd termination second source and the first power supply, described the first Enable Pin is used for controlling electrical connection and the disconnection of described the 3rd end and described the 4th end, the switch conduction state of described the 3rd end and corresponding described first on-off circuit of electrical connection state of described the 4th end, the switch off state of described the 3rd end and corresponding described first on-off circuit of electric off-state of described the 4th end;
Described second switch circuit comprises the second Enable Pin, five terminal and the 6th end, described five terminal connects the first power output end, described the second Enable Pin is used for controlling electrical connection and the disconnection of described five terminal and described the 6th end, the switch conduction state of described five terminal and the corresponding described second switch circuit of electrical connection state of described the 6th end, the switch off state of described five terminal and the corresponding described second switch circuit of electric off-state of described the 6th end;
Described self-locking button comprises control end, first end and the second end, described first end ground connection, described control end is used for controlling electrical connection and the disconnection of described first end and described the second end, the switch conduction state of described first end and the corresponding described self-locking button of electrical connection state of described the second end, the switch off state of described first end and the corresponding described self-locking button of electric off-state of described the second end;
Described OR circuit comprises the first output, first input end and the second input, described the first output links to each other with the second Enable Pin of described second switch circuit, described first input end links to each other with the second end of described self-locking button, described the second input links to each other with the power control terminal of described microcontroller, a termination is received and is enabled the level input in described first input end or described the second input, and described the first output is exported the enable signal of the Enable Pin of described second switch circuit;
Described key press detecting circuit comprises the 3rd input and the second output, described the 3rd input links to each other with the second end of described self-locking button, level state for detection of the second end of described self-locking button, described the second output links to each other with described signal detection end, and the level state of the second end of described self-locking button is defeated by described microcontroller;
Described the first feedback circuit is for second Enable Pin of the level feed-back of described the first power output end being given described second switch circuit, so that described the first power supply is when exporting the first level and described the first output and not being in described the first level state, so that described the second Enable Pin is in described the first level, make described second switch circuit be in electric off state;
Described motherboard power supply links to each other with the 6th end of second switch circuit, described the first level is started working described microcontroller, described power control terminal links to each other with described the first Enable Pin with described the second input, and described signal detection end links to each other with described the second output.
Compare with the prior art employing, the utlity model has following advantage:
(1) adopt the self-locking button to realize a key switch machine, the switching on and shutting down signal stabilization is reliable, so that the user operation is very easy, need not to finish complicated instruction, and by intelligent power control system of the present utility model, by the program setting of printer, realize a series of state, action control and the programme-control that powers on of peripheral circuit;
(2) mainboard detects off signal, and shower nozzle is protected automatically, avoid shower nozzle exist before the shutdown artificial protection less than and the situation of infringement shower nozzle;
(3) inkjet printer system is used this intelligent power, except realizing a key switch machine, can also be when appearance be unusual, inkjet printer system can the autoshutdown peripheral power supply, guarantee the safety of user and inkjet printer system, provide simultaneously abnormal alarm information, the convenient fault message that checks;
(4) circuit is simple and easy to usefulness, and function-stable is reliable, and the efficient of energy Effective Raise switching on and shutting down reduces user's operation easier.
Description of drawings
Fig. 1 is the modular structure schematic diagram of the utility model embodiment intelligent power of being applied to ink-jet printer;
Fig. 2 is the modular structure schematic diagram of the key press detecting circuit of the utility model embodiment intelligent power of being applied to ink-jet printer;
Fig. 3 is the modular structure schematic diagram of the OR circuit of the utility model embodiment intelligent power of being applied to ink-jet printer;
Fig. 4 is the modular structure schematic diagram of the first on-off circuit of the utility model embodiment intelligent power of being applied to ink-jet printer;
Fig. 5 is the modular structure schematic diagram of the second switch circuit of the utility model embodiment intelligent power of being applied to ink-jet printer;
Fig. 6 is the modular structure schematic diagram of the first feedback circuit of the utility model embodiment intelligent power of being applied to ink-jet printer;
Fig. 7 is the electrical block diagram that the utility model embodiment is applied to the intelligent power of ink-jet printer;
Fig. 8 is mode of operation and the pattern transition diagram of the intelligent power that is applied to ink-jet printer of the utility model embodiment;
Fig. 9 is the start flow chart according to the intelligent power that is applied to ink-jet printer of the utility model embodiment;
Figure 10 is the shutdown process figure according to the intelligent power that is applied to ink-jet printer of the utility model embodiment;
Figure 11 is the unusual shutdown process figure according to the intelligent power that is applied to ink-jet printer of the utility model embodiment.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
On the contrary, the utility model contain any by claim definition in substituting of making of marrow of the present utility model and scope, modification, equivalent method and scheme.Further, in order to make the public the utility model is had a better understanding, in hereinafter details of the present utility model being described, detailed some specific detail sections of having described.There is not for a person skilled in the art the description of these detail sections can understand the utility model fully yet.
With reference to figure 1, be depicted as the modular structure schematic diagram of the intelligent power that is applied to ink-jet printer of the utility model embodiment, the intelligent power that is applied to ink-jet printer comprises self-locking button 10, key press detecting circuit 11, OR circuit 12, the first on-off circuit 13, second switch circuit 14, the first feedback circuit 15, the first power supply 16, second source 17 and mainboard 19, intelligent power provides electric energy for simultaneously peripheral circuit 18, wherein:
Self-locking button 10 comprises control end 100, first end 101 and the second end 102, and first end 101 connects publicly, and control end 100 is used for electrically conducting and the disconnection of control first end 101 and the second end 102.Self-locking button 10 corresponding SM set modes and reset mode two states, wherein SM set mode is corresponding to the electrically conducting state of first end 101 and the second end 102, and reset mode is corresponding to the electric off-state of first end 101 and the second end 102.By the self-locking button is set inkjet printer system is carried out a key switch machine, increased the reliability and stability of switching on and shutting down signals.
Key press detecting circuit 11 comprises that the 3rd input 110 and the second output 111, the three inputs 110 link to each other with the second end 102 of self-locking button 10, detects the state of self-locking button, is defeated by the signal detection end 193 of mainboard 19 by the second output 111.
Wherein in a concrete application example of the present utility model, referring to Fig. 2, key press detecting circuit 11 can also comprise the first buffer circuit 1101 and the 4th divider resistance 1102.The first buffer circuit 1101 adopts the first optocoupler to realize the photoelectricity isolation, improves the anti-interference of system.The first optocoupler comprises light emitting diode and receives triode, the anode of light emitting diode is connected with the 4th divider resistance 1,102 one ends, the other end of the 4th divider resistance 1102 connects motherboard power supply 190, the negative electrode of light emitting diode is as 110 inputs of the 3rd input, receive the colelctor electrode of triode as the second output 111, the emitter stage that receives triode connects publicly.The 4th divider resistance 1102 plays metering function, prevents that the first buffer circuit 1101 optocoupler led current are excessive.
Wherein in a concrete application example of the present utility model, when 10 set of self-locking button, the second output 111 becomes low resistive state, and when self-locking button 10 resetted, the second output 111 became high-impedance state.
OR circuit 12 comprises the first output 120, first input end 121 and the second input 122.First input end 120 links to each other with the second end 102 of self-locking button 10, and the second input 122 links to each other with the power control terminal 192 in the mainboard 19.
Wherein in a concrete application example of the present utility model, referring to Fig. 3, OR circuit 12 can comprise the first diode 1201, the first divider resistance 1202, the second divider resistances 1203 and the first NPN transistor 1204.First input end 121 links to each other with the first divider resistance 1202 by the first diode 1201, the signal of the second input 122 is after the not gate that the first NPN transistor 1204 forms is anti-phase, link to each other with the second divider resistance 1203, the first divider resistance 1202 with the second divider resistances 1203 compose in parallel one or, its output links to each other with the first output 120.And the first diode 1201 is in order to prevent that the electric current in the first input end 121 from flowing to publicly through the first NPN transistor 1204, to play the cutout effect.
Wherein in an example of the present utility model, when the first input end 121 in the OR circuit 12 is low resistance state or the second input 122 during for high-impedance state, the first output 120 is low resistance state.When first input end 121 is high-impedance state, when the second input 122 was low resistance state simultaneously, the first output 120 was high-impedance state.
The first on-off circuit 13 comprises the first Enable Pin 130, the 3rd end 131 and the 4th end 132.The first Enable Pin 130 links to each other with the power control terminal 192 of mainboard 19.The 3rd end 131 links to each other with external power source, and the 4th end 132 links to each other with the input of second source 17.130 control the 3rd end 131 and the 4th end 132 electrically conductings and the disconnections of the first Enable Pin.
Wherein in an example of the present utility model, referring to Fig. 4, the first on-off circuit 13 can comprise the second NPN transistor 1301 and relay 1302.One of two normally opened contact of relay 1302 connect the 3rd end 131, and another one connects the 4th end 132.Coil one termination motherboard power supply 190 in the relay 1302, another termination the second NPN transistor 1301 base stages, the emitter stage of the second NPN transistor 1301 connects publicly, and the colelctor electrode of the second NPN transistor 1301 connects the first Enable Pin 130.The second NPN transistor 1301 is used for driving relay 1302 coils.
When the first Enable Pin 130 was high level, relay 1302 drove through the second NPN transistor, the 3rd end 131 and the 4th end 132 electrically conductings.When the first Enable Pin 130 is low level for low resistance state, the 3rd end 131 and the 132 electric disconnections of the 4th end.
Wherein in an example of the present utility model, referring to Fig. 5, second switch circuit 14 can comprise P type metal-oxide-semiconductor 1401 and the second diode 1402.The drain electrode of P type metal-oxide-semiconductor 1401 connects five terminal 141, and source electrode connects the 6th end 142, and grid connects the second Enable Pin 140.The anode of the second diode 1402 connects the 6th end 142, and negative electrode connects five terminal 141.The second diode 1402 is used for preventing that the 6th end 142 voltages are higher than the voltage of five terminal 141, play the afterflow effect.
The output of the first feedback circuit 15 1 terminations the first power supply 16, the second Enable Pin 140 of a termination second switch circuit 14.
Wherein in an example of the present utility model, referring to Fig. 6, the first feedback circuit 15 can comprise the 3rd divider resistance 150.When the second Enable Pin 140 of second switch circuit 14 was high-impedance state, the 3rd divider resistance 150 was drawn high the voltage of the second Enable Pin 140 to the output voltage of the first power supply 16, makes second switch circuit 14 be in electric off-state.
The first power supply 16 directly links to each other with external power source, and it is in the state of working on power always, can not close.
The input of second source 17 links to each other with the 3rd end 131 of the first on-off circuit 132, is subjected to 13 controls of the first on-off circuit.Under the intelligent power off-position, second source 17 is that outage is idle.
Be illustrated in figure 7 as the electrical block diagram that the utility model embodiment is applied in the implementation environment to realize be applied to the intelligent power of ink-jet printer.Shown in electrical block diagram, adopt the mode of soft or hard combination, utilize the ordinary electronic components and parts to realize the pattern conversion of intelligent power.
With reference to figure 7, Switching Power Supply U2 is the first power supply 16, directly links to each other with external power source, and except power-down mode, other pattern is charged work all.The second source 17 that Switching Power Supply U3 and U4 form is subjected to relay K 1 control.Triode Q3 forms the first on-off circuit 13 with relay K 1.Electricity group R1 is the first feedback circuit 15, makes grid 1 pin of P type metal-oxide-semiconductor Q1 when high-impedance state, is in high level.P type metal-oxide-semiconductor Q1 and diode D2 are second switch circuit 14.Resistance R 2, R3, diode D1 and triode Q2 form OR circuit 12, and button S1 is self-locking button 10.Current-limiting resistance R6 and optocoupler OP1 consist of key press detecting circuit 11.Resistance R 4, R5 and light idol OP2 form the second buffer circuit, make power control terminal 192 signals and intelligent electric power unit isolation in the mainboard 19, improve the anti-interference of mainboard.
Triode Q1 among the utility model embodiment, Q2 also can realize with metal-oxide-semiconductor and other controlled electron components and parts.
The second switch circuit also can be realized with other controlled electron components and parts except using P type metal-oxide-semiconductor Q1 among the utility model embodiment.
Those skilled in the art are appreciated that accompanying drawing is the schematic diagram of a preferred embodiment, and the module in the accompanying drawing or flow process might not be to implement to want utility model necessary.
It will be appreciated by those skilled in the art that the module in the device of embodiment can be distributed in the device of embodiment according to the description of embodiment.Also can change accordingly to be arranged in and be different from the one or more devices of the present embodiment.Module in above-described embodiment can be merged into a module, also can further split into a plurality of submodules.
With reference to figure 8, be depicted as mode of operation and the pattern transition diagram of the intelligent power that is applied to ink-jet printer of the utility model embodiment, table 1 is mode of operation and corresponding each module status table of the intelligent power that is applied to ink-jet printer of the utility model embodiment.Different conditions according to each module in the intelligent power that is applied to ink-jet printer of the utility model embodiment realization, the intelligent power that is applied to ink-jet printer that adopts the utility model embodiment to realize has following 5 kinds of mode of operations: power-down mode 201, sleep pattern 202, initialize mode 203, mode of operation 204 and shutdown mode 205
Power-down mode 201, when intelligent power and external power source open circuit, this moment, the first power supply 16 and second source 17 did not all work on power, and intelligent power enters power-down mode 201;
Mode of operation 204, self-locking button 10 is in SM set mode, and second switch circuit 14 and the first on-off circuit 13 are in the electrically conducting state, and at this moment, mainboard 19 and peripheral circuit 18 have electricity;
When sleep pattern 202, initialize mode 203, mode of operation 204 and shutdown mode 205, after intelligent power and external power source disconnect, can both enter power-down mode 201.When self-locking button 10 is in reset mode, intelligent power connects external power source in power-down mode 201, power supply enters sleep pattern 202, when self-locking button 10 is in SM set mode, intelligent power connects external power source in power-down mode 201, power supply enters initialize mode 203, can not enter mode of operation 204 and shutdown mode 205 from power-down mode 201.
Can not directly enter mode of operation 204 and shutdown mode 205 from sleep pattern 202, just can enter mode of operation 204 through initialize mode 203, enter shutdown mode 205 from mode of operation 204 again.Can directly enter sleep pattern 202 from shutdown mode 205, can return mode of operation 204 from shutdown mode 205 simultaneously, return initialize mode 203 from mode of operation 204, get back to sleep pattern 202 from initialize mode 203 again.
Conversion between initialize mode 203 and the sleep pattern 202 is by 10 realizations of self-locking button, and when sleep pattern 202, set self-locking button 10 enters initialize mode 203.When initialize mode 203, the self-locking button 10 that resets enters sleep pattern 202.
Table 1 is mode of operation and corresponding each module status table of the intelligent power that is applied to ink-jet printer of the utility model embodiment
| Pattern | The first power supply | Second source | The self-locking button | Power control terminal | Second switch | The first switch |
| Power-down mode | Outage | Outage | Reset/set | Do not enable | Disconnect | Disconnect |
| Sleep pattern | Work | Outage | Reset | Do not enable | Disconnect | Disconnect |
| Initialize mode | Work | Outage | Set | Do not enable | Conducting | Disconnect |
| Mode of operation | Work | Work | Set | Enable | Conducting | Conducting |
| Shutdown mode | Work | Work | Reset | Enable | Conducting | Conducting |
Control and conversion by to the mode of operation of the intelligent power that is applied to ink-jet printer of the utility model embodiment are conducive to improve efficient and the stability of inkjet printer system switching on and shutting down.
Such as Fig. 9, be depicted as the start flow chart according to the intelligent power that is applied to ink-jet printer of the utility model embodiment, may further comprise the steps:
Step S901, in sleep pattern, set self-locking button, second switch circuit electrically conducting, mainboard powers on;
Step S902 enters initialize mode, and the microcontroller on the mainboard works on power, and carries out opening initialization;
Step S903, the microcontroller on the mainboard makes the first on-off circuit electrically conducting by power control terminal output enable signal, and second source works on power, and keeps simultaneously second switch circuit electrically conducting state, enters mode of operation.
Step S904 starts shooting successfully.
Such as Figure 10, be depicted as the shutdown process figure according to the intelligent power that is applied to ink-jet printer of the utility model embodiment, may further comprise the steps:
Step S1001, in mode of operation, the self-locking button that resets is kept the electrically conducting state of second switch circuit by the power control terminal of microcontroller, and the reset signal of self-locking button is passed to microcontroller through key press detecting circuit.
Step S1002 enters shutdown mode, the preparation before shutting down.
Step S1003 judges that whether the self-locking button is at reset mode;
Step S1004, if not at reset mode, namely in SM set mode, rearming,
Step S1005, if at reset mode, microcontroller reset power control end signal, the first on-off circuit enters electric off-state with the second switch circuit, and each output of intelligent power is all closed, and enters sleep pattern, shuts down successfully.
Servo-drive system in peripheral circuit 18, shower nozzle circuit etc. occur unusual, and these can be detected by the microcontroller 191 on the mainboard 19 unusually simultaneously, and abnormal conditions comprise that abnormal conditions appear in motion, and for example resistance increases.Peripheral circuit 18 occurs unusual, and microcontroller 19 detects corresponding abnormal information, gives corresponding peripheral circuit outage by power control terminal, and peripheral circuit is protected, and microcontroller sends corresponding alarm signal simultaneously.Such as Figure 11, be depicted as according to the intelligent power that is applied to ink-jet printer of the utility model embodiment for above unusual shutdown process figure, may further comprise the steps:
Step S1101, when mode of operation, system discovery has unusually,
Step S1102, the microcontroller reset power control signal on the mainboard is low resistance state, then quotes wrong information.
Step S1103, this is to be in initialize mode.The first on-off circuit is in electric off-state, and the second switch circuit by key control, keeps the electrically conducting state by self-locking.Peripheral circuit quits work, and only has the charged work of mainboard.At this moment microcontroller reports an error on one side, on one side etc. to be shut down.
Step S1104, the self-locking button that resets, the electric disconnection of second switch circuit, the mainboard dead electricity is shut down successfully, enters sleep pattern.
Process by the shutdown to abnormal conditions, guarantee that inkjet printer system is when appearance is unusual, inkjet printer system can the autoshutdown peripheral power supply, guarantee the safety of user and inkjet printer system, abnormal alarm information is provided simultaneously, the convenient fault message that checks is convenient to print the breakdown maintenance of machine equipment.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. an intelligent power that is applied to ink-jet printer is characterized in that, comprises mainboard, self-locking button, key press detecting circuit, the first on-off circuit, second switch circuit, the first feedback circuit, OR circuit, the first power supply and second source;
Described mainboard comprises motherboard power supply and microcontroller, and described microcontroller further comprises power control terminal and signal detection end;
Described the first on-off circuit comprises the first Enable Pin, the 3rd end and the 4th end, described the 4th termination external power source, the input of described the 3rd termination second source and the first power supply, described the first Enable Pin is used for controlling electrical connection and the disconnection of described the 3rd end and described the 4th end, the switch conduction state of described the 3rd end and corresponding described first on-off circuit of electrical connection state of described the 4th end, the switch off state of described the 3rd end and corresponding described first on-off circuit of electric off-state of described the 4th end;
Described second switch circuit comprises the second Enable Pin, five terminal and the 6th end, described five terminal connects the first power output end, described the second Enable Pin is used for controlling electrical connection and the disconnection of described five terminal and described the 6th end, the switch conduction state of described five terminal and the corresponding described second switch circuit of electrical connection state of described the 6th end, the switch off state of described five terminal and the corresponding described second switch circuit of electric off-state of described the 6th end;
Described self-locking button comprises control end, first end and the second end, described first end ground connection, described control end is used for controlling electrical connection and the disconnection of described first end and described the second end, the switch conduction state of described first end and the corresponding described self-locking button of electrical connection state of described the second end, the switch off state of described first end and the corresponding described self-locking button of electric off-state of described the second end;
Described OR circuit comprises the first output, first input end and the second input, described the first output links to each other with the second Enable Pin of described second switch circuit, described first input end links to each other with the second end of described self-locking button, described the second input links to each other with the power control terminal of described microcontroller, a termination is received and is enabled the level input in described first input end or described the second input, and described the first output is exported the enable signal of the Enable Pin of described second switch circuit;
Described key press detecting circuit comprises the 3rd input and the second output, described the 3rd input links to each other with the second end of described self-locking button, level state for detection of the second end of described self-locking button, described the second output links to each other with the signal detection end of described microcontroller, and the level state of the second end of described self-locking button is defeated by described microcontroller;
Described the first feedback circuit is for second Enable Pin of the level feed-back of described the first power output end being given described second switch circuit, so that described the first power supply is when exporting the first level and described the first output and not being in described the first level state, so that described the second Enable Pin is in described the first level, make described second switch circuit be in electric off state;
Described motherboard power supply links to each other with the 6th end of second switch circuit, described the first level is started working described microcontroller, described power control terminal links to each other with described the first Enable Pin with described the second input, and described signal detection end links to each other with described the second output.
2. the intelligent power that is applied to ink-jet printer according to claim 1, it is characterized in that, described key press detecting circuit further comprises the first buffer circuit and the 4th divider resistance, the first buffer circuit adopts the first optocoupler to realize the photoelectricity isolation, described the first optocoupler comprises light emitting diode and receives triode, the anode of described light emitting diode is connected with described the 4th divider resistance one end, the other end of described the 4th divider resistance connects motherboard power supply, the negative electrode of described light emitting diode is inputted as the 3rd input, the colelctor electrode of described reception triode is as the second output, and the emitter stage of described reception triode connects publicly.
3. the intelligent power that is applied to ink-jet printer according to claim 1, it is characterized in that, described OR circuit further comprises the first diode, the first divider resistance, the second divider resistance and the first NPN transistor, described first input end links to each other with the first divider resistance by the first diode, the signal of the second input is after the not gate that described the first NPN transistor forms is anti-phase, link to each other with the second divider resistance, the first divider resistance with the second divider resistance compose in parallel one or, its output links to each other with the first output, described the first diode is used for preventing that the electric current of first input end from flowing to publicly through the first NPN transistor, plays the cutout effect.
4. the intelligent power that is applied to ink-jet printer according to claim 1, it is characterized in that, described the first on-off circuit comprises the second NPN transistor and relay, one of two normally opened contact of described relay connect the 3rd end, another one connects the 4th end, coil one termination motherboard power supply in the described relay, the base stage of another termination the second NPN transistor, the emitter stage of the second NPN transistor connects publicly, the colelctor electrode of the second NPN transistor connects the first Enable Pin, and the second NPN transistor is used for driving the coil of relay.
5. the intelligent power that is applied to ink-jet printer according to claim 1 is characterized in that, described second switch circuit comprises P type metal-oxide-semiconductor and the second diode, and the drain electrode of described P type metal-oxide-semiconductor connects five terminal, and source electrode connects the 6th end, and grid connects the second Enable Pin; The anode of described the second diode connects the 6th end, and negative electrode connects five terminal, and described the second diode is used for preventing that the 6th terminal voltage is higher than the voltage of five terminal, plays the afterflow effect.
6. the intelligent power that is applied to ink-jet printer according to claim 1, it is characterized in that, described the first feedback circuit comprises the 3rd divider resistance, when the second Enable Pin of second switch circuit is high-impedance state, the 3rd divider resistance is drawn high the voltage of the second Enable Pin to the output voltage of the first power supply, makes the second switch circuit be in electric off-state.
7. the intelligent power that is applied to ink-jet printer according to claim 1 is characterized in that, described self-locking button has SM set mode and reset mode, described first end and described the second end electrical connection during SM set mode; Described first end and the electric disconnection of described the second end during reset mode.
8. the intelligent power that is applied to ink-jet printer according to claim 7 is characterized in that, the mode of operation of described intelligent power comprises power-down mode, sleep pattern, and initialize mode, mode of operation and shutdown mode,
Described power-down mode is specially described intelligent power and external power source opens circuit, and this moment, the first power supply and second source did not all work on power;
Sleep pattern is specially described the first on-off circuit and the second switch circuit is in electric off-state, and the first power supply is in the state of working on power, and the self-locking button is in reset mode, and all the external outputs of described intelligent power all are in closes;
Initialize mode is specially described self-locking button and is in SM set mode, and the second switch circuit is in the electrically conducting state, and the first on-off circuit is in electric off-state, and this moment, mainboard had electricity, and peripheral circuit does not have electricity;
Mode of operation is specially described self-locking button and is in SM set mode, and second switch circuit and the first on-off circuit are in the electrically conducting state, and this moment, mainboard and peripheral circuit had electricity;
Shutdown mode is specially described self-locking button and is in reset mode, and second switch circuit and the first on-off circuit remain in the electrically conducting state by the power control terminal in the mainboard, and this moment, mainboard and peripheral circuit had electricity.
9. the intelligent power that is applied to ink-jet printer according to claim 8 is characterized in that, described power-down mode, and sleep pattern, initialize mode is converted between mode of operation and the shutdown mode mutually,
When sleep pattern, initialize mode, mode of operation and shutdown mode, after described intelligent power and external power source disconnect, can both enter power-down mode;
When the self-locking button was in reset mode, intelligent power connected external power source in power-down mode, and described intelligent power enters sleep pattern;
When the self-locking button was in SM set mode, intelligent power connected external power source in power-down mode, and power supply enters initialize mode;
Through initialize mode, just can enter mode of operation from sleep pattern, enter shutdown mode from mode of operation again;
Can enter sleep pattern from shutdown mode, can return mode of operation from shutdown mode simultaneously, return initialize mode from mode of operation, get back to sleep pattern from initialize mode again;
Conversion between initialize mode and the sleep pattern is by the realization of self-locking button, and when sleep pattern, set self-locking button enters initialize mode; When initialize mode, the self-locking button that resets enters sleep pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220313403 CN202716566U (en) | 2012-06-27 | 2012-06-27 | Intelligent power supply applied to ink-jet printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220313403 CN202716566U (en) | 2012-06-27 | 2012-06-27 | Intelligent power supply applied to ink-jet printer |
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| Publication Number | Publication Date |
|---|---|
| CN202716566U true CN202716566U (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220313403 Withdrawn - After Issue CN202716566U (en) | 2012-06-27 | 2012-06-27 | Intelligent power supply applied to ink-jet printer |
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| Country | Link |
|---|---|
| CN (1) | CN202716566U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102795001A (en) * | 2012-06-27 | 2012-11-28 | 杭州冲之上数码设备有限公司 | Intelligent power supply applied to ink-jet printer |
-
2012
- 2012-06-27 CN CN 201220313403 patent/CN202716566U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102795001A (en) * | 2012-06-27 | 2012-11-28 | 杭州冲之上数码设备有限公司 | Intelligent power supply applied to ink-jet printer |
| CN102795001B (en) * | 2012-06-27 | 2014-09-03 | 杭州冲之上数码设备有限公司 | Intelligent power supply applied to ink-jet printer |
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| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130206 Effective date of abandoning: 20140903 |
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| RGAV | Abandon patent right to avoid regrant |