CN102795001B - Intelligent power supply applied to ink-jet printer - Google Patents
Intelligent power supply applied to ink-jet printer Download PDFInfo
- Publication number
- CN102795001B CN102795001B CN201210214516.7A CN201210214516A CN102795001B CN 102795001 B CN102795001 B CN 102795001B CN 201210214516 A CN201210214516 A CN 201210214516A CN 102795001 B CN102795001 B CN 102795001B
- Authority
- CN
- China
- Prior art keywords
- mode
- circuit
- power
- state
- self
- 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
Links
Abstract
The invention 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 invention belongs to power technique fields, relate to especially a kind of intelligent power that is applied to ink-jet printer.
Background technology
Multiple power supplies on 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 applied is mostly used on mobile phone, and what adopt is crawl knob, and crawl knob is not suitable as power button on main equipment.The signal that crawl knob sends is a pulse signal, if this pulse signal duration is too short, is not likely received by the system, and generally by length, presses this key and address this problem on mobile phone.And self-locking button sends, be a lasting signal, the triggering that 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 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 to operate manually, sometimes before shutdown, can forget protection shower nozzle, very large to shower nozzle infringement, cause unnecessary economic loss.Forget protection shower nozzle, the unused time is long, and the ink on shower nozzle can be air-dry, blocks nozzle, makes shower nozzle can not spray ink, and valuable shower nozzle is scrapped.
The power supply of existing wide format ink jet printer, when printer peripheral components goes wrong, back printer mainboard is not closed the power supply of peripheral components, can only be artificial complete machine power-off, be unfavorable for searching of problem reason, cause maintenance inconvenient.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 open and close machine, and need to complete 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, is also unfavorable for reducing printer volume.
Therefore; for the above-mentioned defect existing in currently available technology; be necessary to study in fact; so that a kind of scheme to be provided; solve the defect existing in prior art, avoid causing ink-jet printer power supply architecture is complicated, volume is large, it is inconvenient to safeguard and can not a key switch machine, need to arrange manually the problems such as shower nozzle protection before shutdown.
Summary of the invention
For addressing the above problem, the object of the present invention is to provide a kind of intelligent power that is applied to ink-jet printer, for a kind of intelligent power of compact conformation is provided, adopt self-locking button to realize a key switch inkjet printer system.
For achieving the above object, technical scheme of the present invention is:
An 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 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 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 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 is connected with the second Enable Pin of described second switch circuit, described first input end is connected with the second end of described self-locking button, described the second input is connected with the power control terminal of described microcontroller, in described first input end or described the second input, one end receives and enables level 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 is connected 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 is connected 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 giving the level feed-back of described the first power output end the second Enable Pin of described second switch circuit, make described the first power supply export the first level and described the first output not when described the first level state, make described the second Enable Pin in described the first level, make described second switch circuit in electric off state;
Described motherboard power supply is connected with the 6th end of second switch circuit, described the first level is started working described microcontroller, described power control terminal is connected with described the first Enable Pin with the second described input, and described signal detection end is connected with described the second output.
Adopt and compare with prior art, the present invention has the following advantages:
(1) adopt self-locking button to realize a key switch machine, switching on and shutting down signal stabilization is reliable, operation is very easy to make user, without completing complicated instruction, and by intelligent power control system of the present invention, by the program setting of printer, realize a series of state, the action control of peripheral circuit and the programme-control that powers on;
(2) mainboard detects off signal, and shower nozzle is protected automatically, avoid shower nozzle exist before shutdown artificial protection less than and the situation of infringement shower nozzle;
(3) inkjet printer system is used to this intelligent power, except realizing a key switch machine, can also be when appearance be abnormal, inkjet printer system can be closed peripheral power supply automatically, guarantee the safety of user and inkjet printer system, provide abnormal alarm information, the convenient fault message that checks simultaneously;
(4) circuit is simple and easy to use, and function-stable is reliable, can effectively improve the efficiency of switching on and shutting down, reduces user's operation easier.
Accompanying drawing explanation
Fig. 1 is the modular structure schematic diagram of the embodiment of the present invention intelligent power that is applied to ink-jet printer;
Fig. 2 is the modular structure schematic diagram of the key press detecting circuit of the embodiment of the present invention intelligent power that is applied to ink-jet printer;
Fig. 3 is the modular structure schematic diagram of the OR circuit of the embodiment of the present invention intelligent power that is applied to ink-jet printer;
Fig. 4 is the modular structure schematic diagram of the first on-off circuit of the embodiment of the present invention intelligent power that is applied to ink-jet printer;
Fig. 5 is the modular structure schematic diagram of the second switch circuit of the embodiment of the present invention intelligent power that is applied to ink-jet printer;
Fig. 6 is the modular structure schematic diagram of the first feedback circuit of the embodiment of the present invention intelligent power that is applied to ink-jet printer;
Fig. 7 is the electrical block diagram that the embodiment of the present invention 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 embodiment of the present invention;
Fig. 9 is according to the start flow chart of the intelligent power that is applied to ink-jet printer of the embodiment of the present invention;
Figure 10 is according to the shutdown process figure of the intelligent power that is applied to ink-jet printer of the embodiment of the present invention;
Figure 11 is according to the abnormal shutdown process figure of the intelligent power that is applied to ink-jet printer of the embodiment of the present invention.
The specific embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
On the contrary, the present invention contain any by claim, defined in marrow of the present invention and scope, make substitute, modification, equivalent method and scheme.Further, for the public is had a better understanding to the present invention, in below details of the present invention being described, detailed some specific detail sections of having described.Do not have for a person skilled in the art the description of these detail sections can understand the present invention completely 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 embodiment of the present invention, 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 to peripheral circuit 18 simultaneously, 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 for controlling electrically conducting and the disconnection of first end 101 and the second end 102.The corresponding SM set mode of self-locking button 10 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 self-locking button is set, inkjet printer system is carried out to 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 are connected 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 invention, 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 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 1102 one end, the other end of the 4th divider resistance 1102 connects motherboard power supply 190, the negative electrode of light emitting diode is as the 3rd input 110 inputs, 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 invention, when 10 set of self-locking button, the second output 111 becomes low resistive state, and when self-locking button 10 resets, the second output 111 becomes high-impedance state.
OR circuit 12 comprises the first output 120, first input end 121 and the second input 122.First input end 121 is connected with the second end 102 of self-locking button 10, and the second input 122 is connected with the power control terminal 192 in mainboard 19.
Wherein, in a concrete application example of the present invention, 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 is connected with the first divider resistance 1202 by the first diode 1201, after not gate that the signal of the second input 122 forms through the first NPN transistor 1204 is anti-phase, with the second divider resistance 1203, be connected, the first divider resistance 1202 with the second divider resistance 1203 compose in parallel one or, its output is connected with the first output 120.And the first diode 1201 is in order to prevent that the electric current in first input end 121 from flowing to publicly through the first NPN transistor 1204, play cutout effect.
Wherein in an example of the present invention, the first input end 121 in OR circuit 12 is low resistance state or the second input 122 during for high-impedance state, and the first output 120 is low resistance state.When first input end 121 is high-impedance state, when the second input 122 is low resistance state simultaneously, the first output 120 is 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 is connected with the power control terminal 192 of mainboard 19.The 3rd end 131 is connected with external power source, and the 4th end 132 is connected with the input of the first power supply 16.The first Enable Pin 130 is controlled the 3rd end 131 and the 4th end 132 electrically conductings and disconnection.
Wherein, in an example of the present invention, 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 relay 1302, another termination 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 for driving relay 1302 coils.
When the first Enable Pin 130 is high level, relay 1302 drives 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 electric disconnection of the 4th end 132.
Second switch circuit 14 comprises the second Enable Pin 140, five terminal 141 and the 6th end 142.The second Enable Pin 140 is connected with the first output 120 of OR circuit 12.Five terminal 141 is connected with the first power supply 16 outputs, and the 6th end 142 is connected with motherboard power supply 19.The second Enable Pin 140 is controlled five terminal 141 and the 6th end 142 electrically conductings and disconnection.
Wherein, in an example of the present invention, 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 for preventing that the 6th end 142 voltages from, higher than the voltage of five terminal 141, playing afterflow effect.
The output of first feedback circuit 15 1 termination the first power supplys 16, the second Enable Pin 140 of a termination second switch circuit 14.
Wherein, in an example of the present invention, 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 is high-impedance state, the 3rd divider resistance 150 is 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 in electric off-state.
The first power supply 16 is directly connected with external power source, and it is not closable always in the state of working on power.
The input of second source 17 is connected with the 3rd end 131 of the first on-off circuit 132, controlled by the first on-off circuit 13.Under intelligent power off-position, second source 17 is that power-off is idle.
Peripheral circuit 18 refers to the circuit beyond mainboard 19 and intelligent electric power unit, can comprise the circuit such as servo drive circuit, fan drive circuit and shower nozzle circuit.Servo drive circuit drives chart drive motor and shower nozzle vehicle motor, and fan drive circuit drives the induced draught fan of print platform, shower nozzle circuit drives shower nozzle.
Mainboard 19 comprises motherboard power supply 190, microcontroller 191, power control terminal 192 and signal detection end 193.The circuit supply that motherboard power supply 190 is given in monoblock mainboard 19, power control terminal 192 is controlled by microcontroller 191, and signal detection end 193 is passed to microcontroller 191 by signal.
Be illustrated in figure 7 the electrical block diagram that the embodiment of the present invention is applied to realize in concrete implementation environment the intelligent power that is applied to ink-jet printer.As shown in electrical block diagram, adopt the mode of soft or hard combination, utilize 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 with external power source, is connected, and except power-down mode, other pattern is charged work all.The second source 17 that Switching Power Supply U3 and U4 form, is controlled by relay K 1.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, 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 form key press detecting circuit 11.The even OP2 of resistance R 4, R5 and light forms the second buffer circuit, makes power control terminal 192 signals and intelligent electric power unit isolation in mainboard 19, improves the anti-interference of mainboard.
Triode Q1 in the embodiment of the present invention, Q2, also can realize with metal-oxide-semiconductor and other controlled electron components and parts.
In the embodiment of the present invention, second switch circuit, except using P type metal-oxide-semiconductor Q1, also can be realized with other controlled electron components and parts.
Those skilled in the art are appreciated that accompanying drawing is the schematic diagram of a preferred embodiment, and the module in accompanying drawing or flow process might not be that enforcement will be invented 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 carry out changing to be arranged in being accordingly 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 embodiment of the present invention, the mode of operation of the intelligent power that is applied to ink-jet printer that table 1 is the embodiment of the present invention and corresponding each module status table.The different conditions of each module in the intelligent power that is applied to ink-jet printer of realizing according to the embodiment of the present invention, the intelligent power that is applied to ink-jet printer that adopts the embodiment of the present invention 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, now the first power supply 16 and second source 17 all do not work on power, and intelligent power enters power-down mode 201;
Sleep pattern 202, the first on-off circuits 13 and second switch circuit 14 are in electric off-state, and the first power supply 16 is in the state of working on power, and self-locking button 10 is in reset mode, and all external output of intelligent electric power unit is all in closed condition;
Initialize mode 203, self-locking button 10 is in SM set mode, and second switch circuit 14 is in electrically conducting state, and the first on-off circuit 13 is in electric off-state, and now, mainboard 19 has electricity, and peripheral circuit 18 does not have electricity;
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 electrically conducting state, and now, mainboard 19 and peripheral circuit 18 have electricity;
Shutdown mode 205, self-locking button 10 is in reset mode, and second switch circuit 14 and the power control terminal 192 of the first on-off circuit 13 in mainboard 19 remain in electrically conducting state, and now, mainboard 19 and peripheral circuit 18 have electricity.Wherein shutdown mode 205 comprises the automatic protection action to inkjet printer head, before each shutdown, automatically shower nozzle is protected, and problem while avoiding protecting manually, the problem includes: the problem of shower nozzle not being protected.
When sleep pattern 202, initialize mode 203, mode of operation 204 and shutdown mode 205, after intelligent power and external power source disconnect, can enter power-down mode 201.At self-locking button 10 during in reset mode, intelligent power connects external power source in power-down mode 201, power supply enters sleep pattern 202, at self-locking button 10 during in SM set mode, intelligent power connects external power source in power-down mode 201, power supply enters initialize mode 203, from power-down mode 201, can not enter mode of operation 204 and shutdown mode 205.
From sleep pattern 202, can not directly enter mode of operation 204 and shutdown mode 205, just can enter mode of operation 204 through initialize mode 203, then enter shutdown mode 205 from mode of operation 204.From shutdown mode 205, can directly enter sleep pattern 202, from shutdown mode 205, can return to mode of operation 204, from mode of operation 204, return to initialize mode 203, then get back to sleep pattern 202 from initialize mode 203 simultaneously.
Conversion between initialize mode 203 and sleep pattern 202 realizes by self-locking button 10, and when sleep pattern 202, set self-locking button 10, enters initialize mode 203.When initialize mode 203, reset self-locking button 10, enters sleep pattern 202.
The mode of operation of the intelligent power that is applied to ink-jet printer that table 1 is the embodiment of the present invention and corresponding each module status table
| Pattern | The first power supply | Second source | Self-locking button | Power control terminal | Second switch | The first switch |
| Power-down mode | Power-off | Power-off | Reset/set | Do not enable | Disconnect | Disconnect |
| Sleep pattern | Work | Power-off | Reset | Do not enable | Disconnect | Disconnect |
| Initialize mode | Work | Power-off | Set | Do not enable | Conducting | Disconnect |
| Mode of operation | Work | Work | Set | Enable | Conducting | Conducting |
| Shutdown mode | Work | Work | Reset | Enable | Conducting | Conducting |
By control and conversion to the mode of operation of the intelligent power that is applied to ink-jet printer of the embodiment of the present invention, be conducive to improve efficiency and the stability of inkjet printer system switching on and shutting down.
As Fig. 9, be depicted as according to the start flow chart of the intelligent power that is applied to ink-jet printer of the embodiment of the present invention, comprise the following 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 mainboard works on power, and carries out opening initialization;
Step S903, the microcontroller on mainboard, by power control terminal output enable signal, makes the first on-off circuit electrically conducting, and second source works on power, and keeps second switch circuit electrically conducting state simultaneously, enters mode of operation.
Step S904, starts shooting successfully.
As Figure 10, be depicted as according to the shutdown process figure of the intelligent power that is applied to ink-jet printer of the embodiment of the present invention, comprise the following steps:
Step S1001, in mode of operation, reset self-locking button, 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 self-locking button is at reset mode;
Step S1004, if not at reset mode, 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 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 abnormal, and these can be detected by the microcontroller 191 on mainboard 19 extremely simultaneously, and abnormal conditions comprise that abnormal conditions appear in motion, and for example resistance increases.Peripheral circuit 18 occurs abnormal, and microcontroller 19 detects corresponding abnormal information, by power control terminal, gives corresponding peripheral circuit power-off, and peripheral circuit is protected, and microcontroller sends corresponding alarm signal simultaneously.As Figure 11, be depicted as according to the intelligent power that is applied to ink-jet printer of the embodiment of the present invention for above abnormal shutdown process figure, comprise the following steps:
Step S1101, when mode of operation, system discovery has extremely,
Step S1102, the microcontroller reset power control signal on mainboard is low resistance state, then reports error message.
Step S1103, this is in initialize mode.The first on-off circuit is in electric off-state, and second switch circuit by key control, keeps 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, reset self-locking button, the electric disconnection of second switch circuit, mainboard dead electricity, shuts down successfully, enters sleep pattern.
By the shutdown to abnormal conditions, process, guarantee that inkjet printer system is when appearance is abnormal, inkjet printer system can be closed peripheral power supply automatically, 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 foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. an intelligent power that is applied to ink-jet printer, comprises mainboard, OR circuit, and the first power supply and second source, is characterized in that, also comprises self-locking button, key press detecting circuit, the first on-off circuit, second switch circuit, the first feedback circuit;
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 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 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 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 is connected with the second Enable Pin of described second switch circuit, described first input end is connected with the second end of described self-locking button, described the second input is connected with the power control terminal of described microcontroller, in described first input end or described the second input, one end receives and enables level 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 is connected 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 is connected 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 giving the level feed-back of described the first power output end the second Enable Pin of described second switch circuit, make described the first power supply export the first level and described the first output not when described the first level state, make described the second Enable Pin in described the first level, make described second switch circuit in electric off state;
Described motherboard power supply is connected with the 6th end of second switch circuit, described the first level is started working described microcontroller, described power control terminal is connected with described the first Enable Pin with the second described input, and described signal detection end is connected 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 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, 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 is connected with the first divider resistance by the first diode, after not gate that the signal of the second input forms through described the first NPN transistor is anti-phase, with the second divider resistance, be connected, the first divider resistance with the second divider resistance compose in parallel one or, its output is connected with the first output, described the first diode is for preventing that the electric current of first input end from flowing to publicly through the first NPN transistor, play 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 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 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 for preventing that the 6th terminal voltage from, higher than the voltage of five terminal, playing 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 second switch circuit 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, during SM set mode described in first end and described the second end electrical connection; First end and the electric disconnection of described the second end described in 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 now the first power supply and second source all do not work on power;
Sleep pattern is specially described the first on-off circuit and second switch circuit in electric off-state, and the first power supply is in the state of working on power, and self-locking button is in reset mode, and all external output of described intelligent power is all in closing;
Initialize mode is specially described self-locking button in SM set mode, and second switch circuit is in electrically conducting state, and the first on-off circuit is in electric off-state, and now mainboard has electricity, and peripheral circuit does not have electricity;
Mode of operation is specially described self-locking button in SM set mode, and second switch circuit and the first on-off circuit are in electrically conducting state, and now mainboard and peripheral circuit have electricity;
Shutdown mode is specially described self-locking button in reset mode, and second switch circuit and the power control terminal of the first on-off circuit in mainboard remain in electrically conducting state, and now mainboard and peripheral circuit have 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 shutdown mode mutually,
When sleep pattern, initialize mode, mode of operation and shutdown mode, after described intelligent power and external power source disconnect, can enter power-down mode;
At self-locking button, during in reset mode, intelligent power connects external power source in power-down mode, and described intelligent power enters sleep pattern;
At self-locking button, during in SM set mode, intelligent power connects external power source in power-down mode, and power supply enters initialize mode;
From sleep pattern, through initialize mode, just can enter mode of operation, then enter shutdown mode from mode of operation;
From shutdown mode, can enter sleep pattern, from shutdown mode, can return to mode of operation, from mode of operation, return to initialize mode, then get back to sleep pattern from initialize mode simultaneously;
Conversion between initialize mode and sleep pattern realizes by self-locking button, and when sleep pattern, set self-locking button enters initialize mode; When initialize mode, reset self-locking button enters sleep pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210214516.7A CN102795001B (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 |
|---|---|---|---|
| CN201210214516.7A CN102795001B (en) | 2012-06-27 | 2012-06-27 | Intelligent power supply applied to ink-jet printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102795001A CN102795001A (en) | 2012-11-28 |
| CN102795001B true CN102795001B (en) | 2014-09-03 |
Family
ID=47194410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210214516.7A Expired - Fee Related CN102795001B (en) | 2012-06-27 | 2012-06-27 | Intelligent power supply applied to ink-jet printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102795001B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108073422A (en) * | 2018-01-03 | 2018-05-25 | 苏州三星电子电脑有限公司 | Computer mode control method and computer mode control device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0783967A2 (en) * | 1996-01-11 | 1997-07-16 | Lexmark International, Inc. | Apparatus for driving multiple inkjet printheads |
| CN2917065Y (en) * | 2006-05-31 | 2007-06-27 | 杭州天铭机电工具有限公司 | Double battery switching device |
| CN101062610A (en) * | 2006-04-26 | 2007-10-31 | 国际联合科技股份有限公司 | Ink injection print-head control circuit |
| CN102006385A (en) * | 2009-09-01 | 2011-04-06 | 佳能株式会社 | Image forming apparatus |
| CN102371763A (en) * | 2010-08-10 | 2012-03-14 | 北京美科艺数码科技发展有限公司 | Anti-spray head reverse voltage serial circuit |
| CN202716566U (en) * | 2012-06-27 | 2013-02-06 | 杭州冲之上数码设备有限公司 | Intelligent power supply applied to ink-jet printer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6481814B2 (en) * | 2001-02-28 | 2002-11-19 | Lemark International, Inc. | Apparatus and method for ink jet printhead voltage fault protection |
| KR100449104B1 (en) * | 2002-08-13 | 2004-09-18 | 삼성전자주식회사 | Power supply controlling device of inkjet printer |
-
2012
- 2012-06-27 CN CN201210214516.7A patent/CN102795001B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0783967A2 (en) * | 1996-01-11 | 1997-07-16 | Lexmark International, Inc. | Apparatus for driving multiple inkjet printheads |
| CN101062610A (en) * | 2006-04-26 | 2007-10-31 | 国际联合科技股份有限公司 | Ink injection print-head control circuit |
| CN2917065Y (en) * | 2006-05-31 | 2007-06-27 | 杭州天铭机电工具有限公司 | Double battery switching device |
| CN102006385A (en) * | 2009-09-01 | 2011-04-06 | 佳能株式会社 | Image forming apparatus |
| CN102371763A (en) * | 2010-08-10 | 2012-03-14 | 北京美科艺数码科技发展有限公司 | Anti-spray head reverse voltage serial circuit |
| CN202716566U (en) * | 2012-06-27 | 2013-02-06 | 杭州冲之上数码设备有限公司 | Intelligent power supply applied to ink-jet printer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102795001A (en) | 2012-11-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103425219B (en) | Power control system and method | |
| CN109710046B (en) | Frame type equipment service board power-on and power-off control system, method and device and main control board | |
| KR20150036380A (en) | Low-power consumption standby circuit device, air conditioner and control method for air conditioner | |
| CN104850021B (en) | A kind of power on/off system | |
| CN201215617Y (en) | Standby system for electrical appliance | |
| CN202998373U (en) | Audio and video equipment intelligent power supply management system | |
| CN103840642A (en) | Electromagnetic heating device and drive circuit thereof | |
| CN102795001B (en) | Intelligent power supply applied to ink-jet printer | |
| CN202159236U (en) | Standby switch circuit and miniature electronic device | |
| CN202716566U (en) | Intelligent power supply applied to ink-jet printer | |
| CN201118273Y (en) | Power supply management circuit | |
| CN104932337A (en) | Trigger holding device | |
| CN216390833U (en) | Emergency motor drive circuit | |
| CN204539107U (en) | A kind of automatic holding device of switch control rule | |
| CN111474871B (en) | Power supply control device and method of household appliance control system | |
| CN114237092A (en) | Level signal type on-off control circuit | |
| CN110518543A (en) | A kind of short-circuit protection circuit and power supply system | |
| CN218103096U (en) | Key control circuit and audio equipment | |
| CN219017529U (en) | Relay driving circuit | |
| CN203965495U (en) | A kind of double relay control circuit for single-phase meter | |
| CN112531672B (en) | Power control scheme for triggering type power-on and controllable power-off | |
| CN216670682U (en) | Startup and shutdown control circuit for self-service equipment | |
| CN219458659U (en) | Zero standby power consumption switching power supply control circuit | |
| CN214900284U (en) | Power supply control circuit and electronic equipment | |
| CN210839316U (en) | Isolation control circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Zhibin Inventor after: Yu Pingchu Inventor before: Li Zhibin Inventor before: Yu Pingchu |
|
| 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: 20140903 Termination date: 20210627 |