CN108528051A - Source voltage control circuit and its working method, consumable chip and its working method - Google Patents
Source voltage control circuit and its working method, consumable chip and its working method Download PDFInfo
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- CN108528051A CN108528051A CN201710128331.7A CN201710128331A CN108528051A CN 108528051 A CN108528051 A CN 108528051A CN 201710128331 A CN201710128331 A CN 201710128331A CN 108528051 A CN108528051 A CN 108528051A
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- Prior art keywords
- voltage
- signal
- switching device
- controller
- power supply
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17503—Ink cartridges
- B41J2/17543—Cartridge presence detection or type identification
- B41J2/17546—Cartridge presence detection or type identification electronically
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/80—Details relating to power supplies, circuits boards, electrical connections
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
A kind of source voltage control circuit and its working method of present invention offer, consumable chip and its working method, source voltage control circuit includes controller and voltage reduction module, voltage reduction module includes the reduction voltage circuit of multiple parallel connections, reduction voltage circuit includes switching device, switching device is connected between voltage reduction module and power supply, and switching device is opened and closed under the control signal of controller.Controller receives power supply voltage signal, and whether be more than preset threshold value, in this way if judging that power supply voltage signal rises or declines, export jump signal, at this point, controller will send out the opening and closing of control Signal-controlled switch device, output end exports corresponding voltage signal.Consumable chip includes substrate, and substrate is equipped with above-mentioned source voltage control circuit.The source voltage control circuit and consumable chip structure of the present invention is relatively easy, and stability is more preferable, and can export different voltage values, to meet the demand of the different operating voltage of chip.
Description
Technical field
The present invention relates to consumable chips for electrical domain, more particularly, to a kind of source voltage control circuit of consumable chip
And its working method.
Background technology
In the prior art, either print cartridge or cartridge are required for that one piece of consumptive material core is arranged in box portion outside printer
Piece, consumable chip be capable of consumable items allowance in the source of electronical record consumption material box, ink color, box and date of manufacture etc. letters
Breath.In this way, the information of printing device electronics read on consumable chip, it will be able in time, automatically update printing imaging device
State, the information such as type, the date of manufacture of consumption material box are manually inputted without client.
As shown in Figure 1, including substrate 10 and being arranged in upper multiple contacts 20 on consumable chip, electric contact 20 is as logical
The probe for interrogating unit and printer connects, wherein part electric contact 20 is used to receive the power supply of printer offer and to electronic die
Block 30 is powered；Remaining electric contact 20 is for transmitting information.Electronic module 30（Fig. 2 shows）It is also provided on the substrate 10, and is touched with electricity
20 electrical connection of point.As shown in Fig. 2, electronic module 30 includes interface unit 31, reset unit 32, control unit 33 and memory
34, interface unit 31 is connect with electric contact 20, for carrying out data exchange between printer control mainboard, and will be received
It is sent to control unit 33 after the processing such as signal is filtered, delay, control unit 33 is logic circuit or microcontroller,
The access of 34 internal data of control memory.Present electronic module needs to handle data-signal, if voltage signal exists
When rising edge or failing edge, operating voltage plays pendulum, and also results in the inaccuracy of signal processing.Also, each
Function module has most suitable operating voltage, and the required supply voltage of different function modules is different.
Therefore, in order to ensure the job stability of chip and good reset, it is square wave generally to require power supply timing, but
It is to be influenced by energy storage filter capacitor on chip, the operating voltage that chip obtains, which is a rising edge and failing edge, slope
Waveform is not complete square wave.
Invention content
The main object of the present invention is to provide that a kind of stability is more preferable, source voltage control circuit simple in structure.
It is a further object of the present invention to provide the source voltage control circuits that a kind of voltage signal ensuring output is square wave
Working method.
It is a further object of the present invention to provide a kind of better consumable chip of stability and working methods.
Another object of the present invention is to provide stability higher working method when one kind makes consumable chip work.
To achieve the above object, source voltage control circuit provided by the invention includes controller and voltage reduction module, control
Device processed receives supply voltage control signal, and when judging that power supply voltage signal rises or decrease beyond preset threshold value,
Export skip signal, wherein skip signal is the voltage signal of preset voltage value.Voltage reduction module includes the decompression of multiple parallel connections
Circuit, reduction voltage circuit include switching device and down block, wherein switching device be connected to voltage reduction module and power supply it
Between, the opening and closing of controller output control Signal-controlled switch device.
By said program as it can be seen that being carried out to the stage of the rising edge of power supply signal and failing edge by way of software
Reason so that the voltage signal of control circuit output is square wave, and structure is relatively easy, stability higher, and switching device is arranged,
The switching device that selection is connected as needed, can generate different voltage values, to meet the demand of different operating voltages.
Further embodiment is that down block includes diode group, and the forward direction of the diode in diode group is connected.
Preferably, switching device selection triode or field-effect tube.
By said program as it can be seen that using zener diode according to breakdown voltage come the characteristic of stepping, being connected can obtain
Obtain more burning voltages.
In order to realize that another object of the present invention, the present invention provide a kind of working method of source voltage control circuit,
Wherein, source voltage control circuit includes controller and voltage reduction module, and voltage reduction module includes the reduction voltage circuit of multiple parallel connections, drop
Volt circuit includes switching device and down block, and switching device is connected between power supply and down block.This method includes：
Controller receives power supply voltage signal, and whether be more than preset threshold value, such as if judging that power supply voltage signal rises or declines
Be, then within preset a period of time after power supply voltage signal rises or decrease beyond preset threshold value, output transition letter
Number, at this point, controller will export control signal to control the opening and closing of switching device to switching device.
It can be seen that controlling the opening and closing of switching device in a manner of given threshold controller, and then ensure that voltage is believed
Number during rising edge or the failing edge, once reach set threshold value, you can it is exported within the preset time
Voltage signal, stability is more preferable, and response is faster.
In order to realize another object of the present invention, the present invention provides a kind of consumable chip comprising substrate is set on substrate
There is source voltage control circuit, wherein source voltage control circuit includes controller and voltage reduction module, and controller receives power supply
Voltage control signal, and when judging that power supply voltage signal rises or decrease beyond preset threshold value, skip signal is exported,
Skip signal is the voltage signal of preset voltage value.Voltage reduction module includes the reduction voltage circuit of multiple parallel connections, reduction voltage circuit packet
Switching device and down block are included, switching device is connected between voltage reduction module and power supply, controller output control signal
Control the opening and closing of switching device.
It can be seen that being handled the rising edge and failing edge of power supply signal by controller so that control circuit is defeated
The voltage signal gone out is square wave, and structure is relatively easy, the stability higher of chip processing data, more efficient.In addition, also setting up
Switching device, can generate different voltage values, to meet the demand of the different power voltage of chip.
In order to realize that another object of the present invention, the present invention provide a kind of working method of consumable chip, wherein consumptive material core
Piece includes substrate, and substrate is equipped with source voltage control circuit, and source voltage control circuit includes controller and voltage reduction module,
Voltage reduction module includes the reduction voltage circuit of multiple parallel connections, and reduction voltage circuit includes switching device and down block, switching device connection
Between power supply and down block.This method includes：Controller receive power supply voltage signal, judge power supply voltage signal rise or
Whether it is more than preset threshold value that person declines, if so, output jump signal, jump signal is the voltage letter of preset voltage value
Number, at this point, controller will export the opening and closing of control Signal-controlled switch device to switching device.
It can be seen that it can be seen that control the opening and closing of switching device in a manner of given threshold controller, and then really
Voltage signal is protected during rising or decline, once reaching set threshold value, you can output is set within a certain period of time
Fixed voltage signal, and export signal be square wave so that the stability of chip is more preferable, work it is more efficient.
Description of the drawings
Fig. 1 is the structure chart of consumable chip.
Fig. 2 is the electric functional block diagram of the electronic module of consumable chip.
Fig. 3 is the electrical schematic diagram of source voltage control circuit of the present invention.
Fig. 4 is supply voltage V0, supply voltage V1, output voltage V2, output voltage V3 and the output voltage of the present invention
The oscillogram of V4.
The invention will be further described with reference to the accompanying drawings and embodiments.
Specific implementation mode
As shown in figure 3, Fig. 3 is the electrical schematic diagram of source voltage control circuit of the present invention, the supply voltage in the present embodiment
Control circuit includes controller 1 and voltage reduction module 2, wherein the control signal of the reception supply voltage of controller 1 V1, and
Judge that supply voltage V1 signals rise or when decreaseing beyond preset threshold value, exports skip signal, skip signal i.e. pre-
If voltage value voltage signal.The supply voltage V0 signals to chip of general printer are square wave, but by being stored up on chip
The influence of energy filter capacitor, the supply voltage V1 signals that chip obtains are the waveform that a rising edge and failing edge have slope,
It is not complete square wave.
Voltage reduction module 2 includes the reduction voltage circuit of multiple parallel connections.In the present embodiment, voltage reduction module 2 includes that decompression in parallel is electric
Road 3, reduction voltage circuit 4, reduction voltage circuit 5 and reduction voltage circuit 6, wherein reduction voltage circuit 3 includes switching device 31, switching device 31
It is connected between voltage reduction module 2 and power supply, and switching device 31 is opened and closed under the control signal of controller 1, it is preferred that open
It closes device 31 and selects diode or field-effect tube.
Reduction voltage circuit 4 includes switching device 41 and down block 42, and switching device 41 is connected to voltage reduction module 2 and electricity
Between source, and switching device 41 is opened and closed under the control signal of controller 1.Reduction voltage circuit 5 includes switching device 51 and drop
Component 52 is pressed, switching device 51 is connected between voltage reduction module 2 and power supply, and switching device 51 is in the control of controller 1
It is opened and closed under signal.Likewise, reduction voltage circuit 6 includes switching device 61 and down block 62, switching device 61 is connected to decompression
Between module 2 and power supply, and switching device 61 is opened and closed under the control signal of controller 1.
In the present embodiment, down block 42 includes diode group 421, and diode group 421 includes diode 4211.Equally
, down block 52 includes diode group 521, and the forward direction of the diode 5211 in diode group 521 is connected, down block 62
The positive series connection of diode 6211 including diode group 621, and in diode group 621.In this way, using diode according to breakdown
Voltage carrys out the characteristic of stepping, and more burning voltages can be obtained by being connected.
In the present embodiment, when controller 1 judges that supply voltage V1 signals rise or decrease beyond preset threshold value, and
And preset a period of time after supply voltage V1 signals rise or decrease beyond preset threshold value, after 2 milliseconds, output
Jump signal, that is, the voltage signal of preset output voltage is exported, at this point, controller 1 will export control signal control
The opening and closing of switching device 41, switching device 51 and switching device 61.
It is supply voltage V1, output voltage V2, output voltage V3 and the output voltage V4 of the present invention referring to Fig. 4, Fig. 4
Oscillogram, the exportable different voltages value of controller 1 in various embodiments, for example, changing preset threshold value and switch
The time of device opening and closing, the voltage value of output end will change.
The step of output end output voltage V2 is in one embodiment：After powering on voltage when t1, controller 1 controls
Switching device 31, switching device 41, switching device 51 and switching device 61 keep all off state, until supply voltage
When being increased beyond t1 after 1 preset threshold value of controller of V2 signals, the output control Signal-controlled switch of controller 1 device 31 connect
Logical, when t5 after the threshold value of supply voltage V2 signals dropped to set by controller 1, controller controls the disconnection of switch 31,
It can be obtained waveform output voltage V2 as shown in Figure 4.
The step of output end output voltage V3 is in another embodiment：After powering on voltage when t1, controller 1 controls
Switching device 31, switching device 41, switching device 51 and switching device 61 keep all off state, until supply voltage
The rising of V2 signals reach controller 1 terminate when t2 after set threshold value, at this point, the output control signal control of controller 1
Switching device 41 is connected, and output voltage is the voltage value at 421 both ends of diode group at this time, when the decline of supply voltage V2 signals
After to the threshold value set by controller 1 in preset time t6, switching device 41 is disconnected, you can it is as shown in Figure 4 to obtain waveform
Voltage V3.
The step of output end output voltage V4 is in another embodiment：After powering on voltage when t1, controller 1 controls
Switching device 31, switching device 41, switching device 51 and switching device 61 keep all off state, until supply voltage
Terminate when t2 after the threshold value of V2 signals risen to set by controller 1, at this point, the output control Signal-controlled switch of controller 1
Device 62 is connected, and output voltage V4 is equal to the voltage at 621 both ends of diode group, and when t3, controller 1 controls switching device 61 and disconnects
And switching device 51 is closed, at this point, output voltage V4 is equal to the voltage at 521 both ends of diode group, when t4, controller control is opened
It closes the disconnection of device 51 and switching device 61 is closed, at this point, output voltage V4 is equal to the terminal voltage of diode group 621, until t5
Moment terminates, you can obtains waveform output voltage V4 as shown in Figure 4.
Certainly, above-described embodiment is only the preferred embodiment of the present invention, and when practical application, the present invention also more changes
Become, for example, the threshold value of the default voltage signal of controller is different, the waveform of obtained voltage signal is also different.It is such
Obvious equivalence changes also should include within the scope of the invention as claimed.
Claims (10)
1. source voltage control circuit, which is characterized in that including：
Controller, the controller receive supply voltage control signal, and judge power supply voltage signal rising or
When decreaseing beyond preset threshold value, skip signal is exported, the skip signal is the voltage signal of preset voltage value；
Voltage reduction module includes the reduction voltage circuit of multiple parallel connections；
The reduction voltage circuit includes switching device and down block, and the switching device is connected to the voltage reduction module and electricity
Between source, and the switching device is opened and closed under the control signal of the controller.
2. source voltage control circuit according to claim 1, it is characterised in that：
The down block includes diode group, and the positive series connection of the diode in the diode group.
3. source voltage control circuit according to claim 1 or 2, it is characterised in that：
The switching device is triode or field-effect tube.
4. consumable chip, including substrate, the substrate is equipped with source voltage control circuit, which is characterized in that including：
Controller, the controller receive supply voltage control signal, and judge power supply voltage signal rising or
When decreaseing beyond preset threshold value, skip signal is exported, the skip signal is the voltage signal of preset voltage value；
Voltage reduction module includes the reduction voltage circuit of multiple parallel connections；
The reduction voltage circuit includes switching device and down block, and the switching device is connected to the voltage reduction module and electricity
Between source, and the switching device is opened and closed under the control signal of the controller.
5. wanting the consumable chip described in 4 according to right, it is characterised in that：
The down block includes diode group, and the positive series connection of the diode in the diode group.
6. consumable chip according to claim 4 or 5, it is characterised in that：
The switching device is triode switch or field-effect tube.
7. the working method of source voltage control circuit, the source voltage control circuit includes controller and voltage reduction module,
The voltage reduction module includes the reduction voltage circuit of multiple parallel connections, and the reduction voltage circuit includes switching device and down block, described
Switching device is connected between power supply and the down block；
It is characterized in that, this method includes：
The controller receives power supply voltage signal, and whether judge that the power supply voltage signal rises or declines is more than preset
Threshold value, if so, output jump signal, the jump signal is the voltage signal of preset voltage value；
Also, the controller exports control signal, control of the switching device in the controller to the switching device
It is opened and closed under signal.
8. the working method of source voltage control circuit according to claim 7, it is characterised in that：
When the controller judges that the power supply voltage signal rises or decrease beyond preset threshold value, and in the power supply
After voltage signal rises or decrease beyond the preset time after preset threshold value, the jump signal is exported.
9. the working method of consumable chip, the consumable chip includes substrate, and the substrate is equipped with source voltage control circuit,
The source voltage control circuit includes controller and voltage reduction module, and the voltage reduction module includes the decompression electricity of multiple parallel connections
Road, the reduction voltage circuit include switching device and down block, and the switching device is connected to power supply and the down block
Between；
It is characterized in that, this method includes：
The controller receives power supply voltage signal, and whether judge that the power supply voltage signal rises or declines is more than preset
Threshold value, if so, output jump signal, the voltage signal of the preset voltage value of jump signal；
Also, the controller exports control signal, control of the switching device in the controller to the switching device
It is opened and closed under signal.
10. the working method of consumable chip according to claim 9, it is characterised in that：
When the controller judges that the power supply voltage signal rises or decrease beyond preset threshold value, and in the power supply
After voltage signal rises or decrease beyond the preset time after preset threshold value, the jump signal is exported.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710128331.7A CN108528051B (en) | 2017-03-06 | 2017-03-06 | Power supply voltage control circuit and working method thereof, consumable chip and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710128331.7A CN108528051B (en) | 2017-03-06 | 2017-03-06 | Power supply voltage control circuit and working method thereof, consumable chip and working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108528051A true CN108528051A (en) | 2018-09-14 |
| CN108528051B CN108528051B (en) | 2020-09-25 |
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| CN201710128331.7A Active CN108528051B (en) | 2017-03-06 | 2017-03-06 | Power supply voltage control circuit and working method thereof, consumable chip and working method thereof |
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| CN109397883A (en) * | 2018-10-31 | 2019-03-01 | 森大（深圳）技术有限公司 | Printer head voltage control circuit and printer |
| CN113568290A (en) * | 2021-07-02 | 2021-10-29 | 珠海天威技术开发有限公司 | Serial number switching control circuit and working method thereof, consumable chip and working method thereof, consumable container and printing equipment |
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| CN113568290A (en) * | 2021-07-02 | 2021-10-29 | 珠海天威技术开发有限公司 | Serial number switching control circuit and working method thereof, consumable chip and working method thereof, consumable container and printing equipment |
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| Publication number | Publication date |
|---|---|
| CN108528051B (en) | 2020-09-25 |
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