CN106965556B - Ink-jet controlling circuit - Google Patents
Ink-jet controlling circuit Download PDFInfo
- Publication number
- CN106965556B CN106965556B CN201610023269.0A CN201610023269A CN106965556B CN 106965556 B CN106965556 B CN 106965556B CN 201610023269 A CN201610023269 A CN 201610023269A CN 106965556 B CN106965556 B CN 106965556B
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- Prior art keywords
- switch
- signal
- control
- driving unit
- endpoint
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Classifications
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- 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
- B41J2/07—Ink jet characterised by jet control
- B41J2/072—Ink jet characterised by jet control by thermal compensation
Landscapes
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Abstract
A kind of ink-jet controlling circuit is provided, receive a power supply signal, a conductivity control signal, one with conductivity control signal each other opposite signal reverse-conducting control signal, and it is connected with endpoint is connect altogether, the third switch of the conductivity control signal and the 4th switch of a reception reverse-conducting control signal is received comprising a controlled driving unit, a first switch, a second switch, one.Wherein, when conductivity control signal is high potential signal, third switch conduction causes second switch to be connected, controlled driving unit is operated by control, if conductivity control signal is low-potential signal, it is high potential signal that reverse-conducting, which controls signal, and the 4th switch conduction causes first switch to be connected, and controlled driving unit is inoperative by controlling.
Description
[technical field]
The present invention relates to a kind of control circuit, espespecially a kind of ink-jet controlling circuit.
[background technique]
Recently as the universal fast development with world-wide web of PC, ink-jet printer has become very universal
Peripheral equipment, be widely used in family, personal work room, even all trades and professions.The major advantage of ink-jet printer is
Low noise and excellent print quality when cheap, operation, and can print in various media, such as general paper, spy
Different inkjet printing paper, photo paper and dedicated transparency etc..
All there is ink-jet chip in general ink-jet printer, wherein ink-jet chip is mainly made of a high potential circuit,
So in ink-jet printer ink-jet chip technology be made constantly innovate, height can only be had in ink-jet chip in the past by overcoming
The problem of potential circuit, allows present ink-jet chip to exist simultaneously high potential circuit and low potential circuit, wherein high electricity
Position circuit is whether be primarily used to the switch of the controlled driving unit in chip, low potential circuit be primarily used in chip by
Control the selection of the operating mode of driving unit.
It is well known, however, that ink-jet chip need that high potential circuit could be integrated through the higher circuit design mode of complexity
And low potential circuit, cause circuit layout area wider, and then improve chip cost.Therefore, how to develop a kind of complexity
Lower and inexpensive ink-jet controlling circuit is spent, actually problem in the urgent need to address at present.
[summary of the invention]
The purpose of the present invention is to provide a kind of ink-jet controlling circuits, need not come by complicated circuit design mode whole
High potential circuit and low potential circuit are closed, therefore, it is possible to reduce circuit layout area, and reduce the cost of chip.
For up to foregoing purpose, the preferable state sample implementation of of the invention one is to provide a kind of ink-jet controlling circuit, a power supply is received
Signal, a conductivity control signal, one with conductivity control signal each other opposite signal reverse-conducting control signal, and with altogether
Endpoint is connect to be connected, it includes a controlled driving unit, receive the power supply signal and with a grounding connection, and it is total with this
It connects endpoint to be connected, and has whether one first control pipe control controlled driving unit operates；One first switch, receiving should
Power supply signal, and there is a control terminal, for being connected with the first of the controlled driving unit the control endpoint；One second switch, connects
Receive the power supply signal, and be connected with the first control endpoint of the controlled driving unit, and there is a control terminal, and with this
One switch is connected to form one second control endpoint；One third switch receives the conductivity control signal, and connects endpoint with having altogether
It is connected, and the second control endpoint being connected with the first switch, second switch is connected；And one the 4th switch, connect
Reverse-conducting control signal is received, and is connected with endpoint is connect altogether, and the first control terminal with the controlled driving unit
Point is connected；Whereby, when the conductivity control signal is high potential signal, which causes the second switch to lead
Logical, the first control endpoint of the controlled driving unit controls running for high potential, if the conductivity control signal is low potential letter
Number when, it is high potential signal which, which controls signal, causes the 4th switch conduction, while the first switch is connected, should
First control endpoint of controlled driving unit controls inoperative for low potential.
[Detailed description of the invention]
Fig. 1 is the ink-jet controlling circuit structural schematic diagram for present pre-ferred embodiments.
Fig. 2 is that the controlled structure of driving unit schematic diagram of hot type is implemented on for the present invention.
Fig. 3 is that the control controlled structure of driving unit schematic diagram of identification signal type is implemented on for the present invention.
[symbol description]
1: ink-jet controlling circuit
11: controlled driving unit
M1: first switch
M2: second switch
M3: third switch
M4: the four switch
2: the controlled driving unit of hot type
21: heating resistor
22: driving transistor
3: the control controlled driving unit of identification signal type
31: fuse
32: driving transistor
P: power supply signal
P1: power supply signal
P2: identification signal
COM: connects end altogether point
A: conductivity control signal
/ A: reverse-conducting controls signal
W1: the first control endpoint
W2: the first control endpoint
[specific embodiment]
The some exemplary embodiments for embodying feature of present invention and advantage will describe in detail in the explanation of back segment.It should be understood that
It is that the present invention there can be various variations in different aspects, neither departs from the scope of the present invention, and explanation therein
And schema inherently is illustrated as being used, and is not intended to limit the present invention.
Referring to Fig. 1, it is the ink-jet controlling circuit structural schematic diagram for present pre-ferred embodiments, as shown, this
Embodiment provides a kind of ink-jet controlling circuit, is to receive power supply signal P, conductivity control signal A, reverse-conducting control/A letter
Number, and be connected with endpoint COM is met altogether, wherein conductivity control signal A is reversely closed each other with reverse-conducting control signal/A
System.
Ink-jet controlling circuit 1 of the invention is mainly by controlled driving unit 11, first switch M1, second switch M2, third
Circuit composed by switch M3 and the 4th switch M4.
Controlled driving unit be receive a power supply signal P and with a grounding connection, and have first control endpoint W1, with
It controls whether controlled driving unit 11 operates, when the first control endpoint W1 of controlled driving unit 11 is high potential, will cause
Controlled driving unit 11 operates, and when the first control endpoint W1 of controlled driving unit 11 is low potential, controlled drive will be caused
Moving cell 11 is inoperative.
First switch M1 is to receive power supply signal P, and have a control terminal, for first with controlled driving unit 11
Control endpoint W1 be connected, first switch M1 can be a MOS transistor or BJT transistor, but not limited to this, mainly by
The control terminal of first switch M1 controls whether to be connected, when the control terminal of first switch is low potential, first switch M1 conducting.
First switch M1 has a grid, a drain electrode and a source electrode, which is to receive power supply signal P, the drain electrode
It is to be connected to second switch M2, which is to be connected to the control terminal to control whether first switch M1 is connected.
Second switch M2 is to receive power supply signal P, and control endpoint W and first switch with controlled driving unit 11
M1 is connected, and second switch M2 can be MOS transistor or BJT transistor, and but not limited to this, and have a control terminal, and
The control terminal is connected to form the second control endpoint W2 with the drain electrode end of first switch M1, mainly by the control of second switch M2
End controls whether to be connected, when the control terminal of second switch M2 is low potential, second switch M2 conducting, and power supply signal P is passed
Lead the first control endpoint W1 of controlled driving unit 11.
Second switch M2 has a grid, a drain electrode and a source electrode, which is to receive power supply signal P, the drain electrode
It is the control endpoint W for being connected to the controlled driving unit 11, which is to be connected to control terminal, and the leakage with first switch M1
Pole is connected to the second control endpoint W2, and controls whether second switch M2 is connected by the grid.
Third switch M3 has a control terminal, receives conductivity control signal A, and meet endpoint COM, first with having altogether
Switch M1 and second switch M2 are connected, and third switch M3 can be MOS transistor or BJT transistor, and but not limited to this, main
To control whether third switch M3 is connected by conductivity control signal A, when conductivity control signal A is high potential, third switch
M3 conducting.
Third switch M3 has a grid, a drain electrode and a source electrode, and a grid of third switch M3 is to receive this to lead
Logical control signal A, controls whether third switch M3 is connected by conductivity control signal A, a drain electrode of third switch M3
It is connected to the second control endpoint W2, and is connected with the grid (control terminal) of the drain electrode of first switch M1, second switch M2, it should
The source electrode of third switch M3 is connected to connects end altogether point COM.
And the 4th switch M4, there is a control terminal, control signal/A for receiving reverse-conducting, and with a connects end altogether
Point COM, controlled driving unit 11 the first control endpoint W1 be connected and (that is, be connected with first switch M1, second switch M2
Connect), the 4th switch M4 can be MOS transistor or BJT transistor, and but not limited to this, mainly control and believe by reverse-conducting
Number/A controls whether to be connected, when reverse-conducting control signal/A is high potential, the 4th switch M4 is connected.
As shown in the above description, when the fooled conductivity control signal A of a specific implementation is high potential signal, third switch M3
Conducting, and cause with the control terminal drop-down of the second control endpoint W2 second switch M2 being connected to be low potential, and cause second
Switch M2 conducting, and first switch M1 and the 4th switch M4 are not turned on, at this time by the conducting of second switch M2, controlled driving is single
Member 11 first control endpoint W1 receive power supply signal P, make controlled driving unit 11 first control endpoint W1 high potential and
Control running.When conductivity control signal A is low-potential signal (that is, third switch M3 is not turned on), opposite reverse-conducting is controlled
Signal/A is high potential signal, and the 4th switch M4 is connected, and causes to be connected with the second control endpoint W2 of controlled driving unit 11
The control terminal drop-down of the first switch M1 connect is low potential, and first switch M1 is caused to be connected, and second switch M2 and third are opened
It closes M3 to be not turned on, by the conducting of the 4th switch M4, it is low that the first control endpoint W1 current potential of controlled driving unit 11, which is pulled down,
Current potential and control inoperative.
In some embodiments, power supply signal P of the invention be a high potential signal, can be but be not limited to 12 volts with
On, conductivity control signal A is a low-potential signal, it can be but be not limited to 0 volt, 1.8 volts, 3.3 volts or 5 volts, this hair
The bright control signal that small electric position can be used controls controlled driving unit 11, so allow control mode more effectively and conveniently,
And be directed through the control signal of small electric position control controlled driving unit 11 with remove from additional designs one drive circuit or
It is additional that a source driving signal is added to drive controlled driving unit 11, circuit layout area can be so reduced, and reduce core
The cost of piece.
In some embodiments, ink-jet controlling circuit of the invention can be but be not limited to be applied to ink and ink gun into
Under the situation of row heating, Fig. 2 is that the controlled structure of driving unit schematic diagram of hot type is implemented on for the present invention.As shown in the 1st, 2 figures,
Under the situation heated to ink and ink gun, the controlled driving unit 11 of Fig. 1 is the controlled driving list of hot type for Fig. 2
The power supply signal P of member 2, the controlled driving unit 2 of hot type is a power supply signal P1, and the controlled driving unit 2 of this hot type more wraps
It can be but be not limited to MOS transistor or BJT crystal containing heating resistor 21 and driving transistor 22, the driving transistor 22
Pipe.
When the first control endpoint W1 of controlled driving unit 2 is high potential, can cause that transistor 22 is driven to be connected, power supply
Signal P1 can flow through heating resistor 21 and generate thermal energy, and heat through the thermal energy to ink and ink gun, when by
When the first control endpoint W1 for controlling driving unit 2 is low potential, it can cause that transistor 22 is driven to be not turned on, such hot type is controlled
Driving unit 2 will not operate.
In some embodiments, ink-jet controlling circuit of the invention can be but be not limited to be applied to the feelings of control identification signal
Under border, Fig. 3 is to control the controlled structure of driving unit schematic diagram of identification signal type for the present invention, as shown in the 1st, 3 figures, is known in control
Under the situation of level signal, the controlled driving unit 11 of Fig. 1 is the controlled driving unit 3 of control identification signal type for Fig. 3, and control is known
The power supply signal P of the controlled driving unit 3 of level signal type is an identification signal P2, and this control controlled driving unit of identification signal type
3, which further include fuse 31 and driving transistor 32, the driving transistor 32, can be but be not limited to MOS transistor or BJT crystal
Pipe.
When the first control endpoint W1 of controlled driving unit 3 is high potential, can cause that transistor 32 is driven to be connected, identification
Signal P2 can flow through fuse 31 and fuse 31 is caused to blow, when the first control endpoint W1 of controlled driving unit 3 is low electricity
It when position, can cause that transistor 32 is driven to be not turned on, such fuse 31 will not be blown, in addition, if to read identification letter
When number P2, the current potential of identification signal P2 can be changed to not will cause the reading potential that fuse 31 is blown.
In conclusion the present invention provides a kind of ink-jet controlling circuit, the control signal of small electric position can be used to control
Controlled driving unit, and then control mode is allowed more effectively and conveniently and to be directed through the control signal of small electric position to control
Controlled driving unit drives controlled driving unit to remove additional designs one drive circuit or one source driving signal of additional addition from,
Circuit layout area can be so reduced, and reduces the cost of chip.
The present invention as the personage Ren Shi craftsman for being familiar with this technology thinks and be it is all as modify, it is so neither de- to apply for a patent model as attached
Enclose be intended to Protector.
Claims (7)
1. a kind of ink-jet controlling circuit is to receive a power supply signal, a conductivity control signal and a conductivity control signal each other
The reverse-conducting of opposite signal controls signal, and is connected with endpoint is connect altogether, it includes:
One controlled driving unit, receive the power supply signal and with a grounding connection, and be connected with the connects end altogether point, and have
Have whether one first control pipe control controlled driving unit operates；
One first switch receives the power supply signal, and has a control terminal, for controlling endpoint with the first of the controlled driving unit
It is connected；
One second switch receives the power supply signal, and is connected with the first control endpoint of the controlled driving unit, and have
One control terminal, and be connected to form one second control endpoint with the first switch；
One third switch, receives the conductivity control signal, and is connected directly with endpoint is connect altogether, and first opens with this
It closes, the second control endpoint that second switch is connected is connected；And
One the 4th switch receives reverse-conducting control signal, and is connected directly with endpoint is connect altogether, and controlled with this
First control endpoint of driving unit is connected；
Whereby, during the conductivity control signal is high potential signal, which causes the second switch to be connected,
First control endpoint of the controlled driving unit is all high potential and controls running, if the conductivity control signal is low-potential signal
When, it is high potential signal which, which controls signal, causes the 4th switch conduction, while the first switch is connected, should be by
First control endpoint of control driving unit controls inoperative for low potential.
2. ink-jet controlling circuit as described in claim 1, which is characterized in that the controlled driving unit is by a heating resistor
And one driving transistor be connected in series connect, and one end of the controlled driving unit receives the power supply signal, and other end ground connection
The circuit constituted.
3. ink-jet controlling circuit as described in claim 1, which is characterized in that the controlled driving unit is driven by a fuse and one
Dynamic transistor is constituted.
4. ink-jet controlling circuit as described in claim 1, which is characterized in that the first switch, second switch, third switch and
4th switch is respectively the switch of a MOS transistor.
5. ink-jet controlling circuit as described in claim 1, which is characterized in that the power supply signal is 12 volts or more.
6. ink-jet controlling circuit as described in claim 1, which is characterized in that the conductivity control signal be 0 volt, 1.8 volts,
3.3 volts or 5 volts.
7. ink-jet controlling circuit as described in claim 1, which is characterized in that it is 0 volt, 1.8 that the reverse-conducting, which controls signal,
Volt, 3.3 volts or 5 volts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610023269.0A CN106965556B (en) | 2016-01-14 | 2016-01-14 | Ink-jet controlling circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610023269.0A CN106965556B (en) | 2016-01-14 | 2016-01-14 | Ink-jet controlling circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106965556A CN106965556A (en) | 2017-07-21 |
| CN106965556B true CN106965556B (en) | 2019-04-09 |
Family
ID=59334819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610023269.0A Active CN106965556B (en) | 2016-01-14 | 2016-01-14 | Ink-jet controlling circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106965556B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6286924B1 (en) * | 1999-09-14 | 2001-09-11 | Lexmark International, Inc. | Apparatus and method for heating ink jet printhead |
| CN1357456A (en) * | 2000-12-08 | 2002-07-10 | 明碁电通股份有限公司 | Control circuit for driving ink nozzle of printer |
| CN1480332A (en) * | 2002-09-04 | 2004-03-10 | 明基电通股份有限公司 | Ink jet printer possessing independont driving circuits for warm-up and heat sustentation |
| CN1521004A (en) * | 2003-01-27 | 2004-08-18 | 国际联合科技股份有限公司 | Ink-jet printing head identification circuit and method thereof |
| CN101010199A (en) * | 2004-09-02 | 2007-08-01 | 皇家飞利浦电子股份有限公司 | Jetting print head |
| CN101219597A (en) * | 2007-01-08 | 2008-07-16 | 研能科技股份有限公司 | Ink-jet driving circuit with preheat function |
| CN102963129A (en) * | 2011-09-01 | 2013-03-13 | 研能科技股份有限公司 | Identification circuit applicable to ink gun |
| CN103587244A (en) * | 2012-08-13 | 2014-02-19 | 研能科技股份有限公司 | An ink jet control circuit |
| CN205344153U (en) * | 2016-01-14 | 2016-06-29 | 研能科技股份有限公司 | An ink jet control circuit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7922276B2 (en) * | 2004-04-08 | 2011-04-12 | International United Technology Co., Ltd. | Ink jet printhead module and ink jet printer |
-
2016
- 2016-01-14 CN CN201610023269.0A patent/CN106965556B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6286924B1 (en) * | 1999-09-14 | 2001-09-11 | Lexmark International, Inc. | Apparatus and method for heating ink jet printhead |
| CN1357456A (en) * | 2000-12-08 | 2002-07-10 | 明碁电通股份有限公司 | Control circuit for driving ink nozzle of printer |
| CN1480332A (en) * | 2002-09-04 | 2004-03-10 | 明基电通股份有限公司 | Ink jet printer possessing independont driving circuits for warm-up and heat sustentation |
| CN1521004A (en) * | 2003-01-27 | 2004-08-18 | 国际联合科技股份有限公司 | Ink-jet printing head identification circuit and method thereof |
| CN101010199A (en) * | 2004-09-02 | 2007-08-01 | 皇家飞利浦电子股份有限公司 | Jetting print head |
| CN101219597A (en) * | 2007-01-08 | 2008-07-16 | 研能科技股份有限公司 | Ink-jet driving circuit with preheat function |
| CN102963129A (en) * | 2011-09-01 | 2013-03-13 | 研能科技股份有限公司 | Identification circuit applicable to ink gun |
| CN103587244A (en) * | 2012-08-13 | 2014-02-19 | 研能科技股份有限公司 | An ink jet control circuit |
| CN205344153U (en) * | 2016-01-14 | 2016-06-29 | 研能科技股份有限公司 | An ink jet control circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106965556A (en) | 2017-07-21 |
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