CN108494235A - A kind of slide cam selector driving circuit - Google Patents
A kind of slide cam selector driving circuit Download PDFInfo
- Publication number
- CN108494235A CN108494235A CN201810544063.1A CN201810544063A CN108494235A CN 108494235 A CN108494235 A CN 108494235A CN 201810544063 A CN201810544063 A CN 201810544063A CN 108494235 A CN108494235 A CN 108494235A
- Authority
- CN
- China
- Prior art keywords
- triode
- diode
- collector
- connect
- pnp
- 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.)
- Pending
Links
- 230000009977 dual effect Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000009940 knitting Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
- H02M1/088—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/66—Devices for determining or controlling patterns ; Programme-control arrangements
- D04B15/68—Devices for determining or controlling patterns ; Programme-control arrangements characterised by the knitting instruments used
- D04B15/78—Electrical devices
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Power Engineering (AREA)
- Electronic Switches (AREA)
Abstract
The invention discloses a kind of slide cam selector driving circuits, it includes four triodes, four diodes, four resistance；When control signal DRV_D0 is low level, DRV_Dn0 is high level, triode Q1 and triode Q4 conductings, triode Q2 and triode Q3 cut-offs, electromagnetic coil pass through forward current；When control signal DRV_D0 is high level, DRV_Dn0 is low level, triode Q1 and triode Q4 cut-offs, triode Q2 and triode Q3 conductings, electromagnetic coil pass through reverse current；The present invention utilizes first resistor R1 and second resistance R2, simplifies the prime driving of conventional driving circuit low voltage control high pressure, and simplifies driving power setting, saves electronic component and driving power, thereby reduces cost.
Description
Technical field
The present invention relates to knitting machine computer jacquard technical fields, and in particular to a kind of slide cam selector driving circuit.
Background technology
Slide cam selector is the main executing agency of knitting machine computer jacquard system, and driving circuit and electromagnetic coil are that slide cam selector closes
Key asembly, driving circuit apply the electric current of different directions to electromagnetic coil, and electromagnetic coil is made to generate the electromagnetic field of variation, to real
The swing of existing needle selecting knife.
Traditional slide cam selector dual power supply driving circuit, as shown in Figure 1, driving circuit uses dual power supply, driving voltage is just
Negative 12V or more, and signal voltage is controlled in 5V hereinafter, this just needs to increase prime driving, to realize low pressure to positive or negative high voltage
Control.When T1, T3 are connected, and T2, T4 end, positive supply is connected, and electromagnetic coil passes through forward current；When T1, T3 end, T2,
When T4 is connected, negative supply is connected, and electromagnetic coil passes through reverse current.Traditional slide cam selector dual power supply driving circuit is lacked there are following
It falls into：Two power supplys are needed to complete the switching of the current direction of electromagnetic coil, and setting is complex, and cost is higher.
Traditional slide cam selector single supply driving circuit as shown in Fig. 2, the driving voltage of driving circuit is in 12V or more, and is controlled
The voltage of signal processed is in 5V hereinafter, also needing to increase prime driving, to realize control of the low pressure to high pressure.When T5, T6, T9 are led
Logical, when T7, T8, T10 end, electromagnetic coil passes through forward current；When T5, T6, T9 end, and T7, T8, T10 are connected, electromagnetic wire
Circle passes through reverse current.Traditional slide cam selector single supply driving circuit has the following defects：Circuit is complex, and cost is higher.
Invention content
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of simple structure and reasonable design, make
With convenient slide cam selector driving circuit.
To achieve the above object, the technical solution adopted by the present invention is：It include PNP triode Q1, PNP triode Q2,
NPN triode Q3, NPN triode Q4, the first diode D1, the second diode D2, third diode D3, the 4th diode D4,
First resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, electromagnetic coil L, driving power+V；The PNP tri-
The emitter of pole pipe Q1 and the emitter of PNP triode Q2 are connect with driving power+V；The emitter of NPN triode Q3 and
The emitter of NPN triode Q4 is grounded；The collector of PNP triode Q1 is connect with the collector of NPN triode Q3；PNP tri-
The collector of pole pipe Q2 is connect with the collector of triode Q4；The both ends of the electromagnetic coil L collector with PNP triode Q1 respectively
With the connection of the collector of PNP triode Q2；The collection that the base stage of PNP triode Q1 passes through first resistor R1 and PNP triode Q2
Electrode connects；The base stage of PNP triode Q2 is connect by second resistance R2 with the collector of PNP triode Q1；NPN triode Q3
Base stage pass through 3rd resistor R3 connection control terminals DRV_D0；The base stage of NPN triode Q4 is controlled by the 4th resistance R4 connections
Hold DRV_Dn0；The cathode of first diode D1 is connect with the emitter of PNP triode Q1；The anode and PNP of first diode D1
The collector of triode Q1 connects；The cathode of second diode D2 is connect with the emitter of PNP triode Q2；Second diode D2
Anode connect with the collector of PNP triode Q2；The cathode of third diode D3 is connect with the collector of NPN triode Q3,
The anode of third diode D3 is connect with the emitter of NPN triode Q3；The cathode of 4th diode D4 is with NPN triode Q4's
Collector connects, and the anode of the 4th diode D4 is connect with the emitter of NPN triode Q4.
With the above structure, the present invention has the beneficial effect that：A kind of slide cam selector driving circuit of the present invention utilizes
First resistor R1 and second resistance R2, simplifies the prime driving of conventional driving circuit low voltage control high pressure, and simplifies driving
Power supply is arranged, and reduces cost.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
With obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of traditional slide cam selector dual power supply driving circuit figure；
Fig. 2 is a kind of traditional slide cam selector single supply driving circuit figure；
Fig. 3 is the slide cam selector driving circuit figure of the present invention.
Specific implementation mode
Below in conjunction with the accompanying drawings, the present invention is further illustrated.
Referring to Fig. 3 shown in, present embodiment the technical solution adopted is that：It includes tri- pole of PNP triode Q1, PNP
Pipe Q2, NPN triode Q3, NPN triode Q4, the first diode D1, the second diode D2, third diode D3, the four or two pole
Pipe D4, first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, electromagnetic coil L, driving power+V；Described
The emitter of PNP triode Q1 and the emitter of PNP triode Q2 are connect with driving power+V；The transmitting of NPN triode Q3
The emitter of pole and NPN triode Q4 are grounded；The collector of PNP triode Q1 is connect with the collector of NPN triode Q3；
The collector of PNP triode Q2 is connect with the collector of triode Q4；The both ends of electromagnetic coil L are respectively with PNP triode Q1's
The connection of the collector of collector and PNP triode Q2；The base stage of PNP triode Q1 passes through first resistor R1 and PNP triode
The collector of Q2 connects；The base stage of PNP triode Q2 is connect by second resistance R2 with the collector of PNP triode Q1；NPN tri-
The base stage of pole pipe Q3 passes through 3rd resistor R3 connection control terminals DRV_D0；The base stage of NPN triode Q4 is connected by the 4th resistance R4
Meet control terminal DRV_Dn0；The cathode of first diode D1 is connect with the emitter of PNP triode Q1；The sun of first diode D1
Pole is connect with the collector of PNP triode Q1；The cathode of second diode D2 is connect with the emitter of PNP triode Q2；Second
The anode of diode D2 is connect with the collector of PNP triode Q2；The current collection of the cathode and NPN triode Q3 of third diode D3
Pole connects, and the anode of third diode D3 is connect with the emitter of NPN triode Q3；The cathode of 4th diode D4 and NPN tri-
The collector of pole pipe Q4 connects, and the anode of the 4th diode D4 is connect with the emitter of NPN triode Q4.
Present embodiment, when the control that the control signal of control terminal DRV_D0 is low level, control terminal DRV_Dn0 is believed
When number being high level, PNP triode Q1 and NPN triode Q4 conducting, PNP triode Q2 and NPN triode Q3 cut-offs, electromagnetic wire
Pass through forward current on circle L；When the control signal of control terminal DRV_D0 be high level, control terminal DRV_Dn0 control signal be
When low level, PNP triode Q1 and NPN triode Q4 cut-offs, PNP triode Q2 and NPN triode Q3 are connected, electromagnetic coil L
Pass through reverse current.Using first resistor R1 and second resistance R2, the prime of conventional driving circuit low voltage control high pressure is simplified
Driving, and driving power setting is simplified, effectively reduce cost.
The above is merely illustrative of the technical solution of the present invention and unrestricted, and those of ordinary skill in the art are to this hair
The other modifications or equivalent replacement that bright technical solution is made, as long as it does not depart from the spirit and scope of the technical scheme of the present invention,
It is intended to be within the scope of the claims of the invention.
Claims (1)
1. a kind of slide cam selector driving circuit, it is characterised in that it includes PNP triode Q1, PNP triode Q2, NPN triode
Q3, NPN triode Q4, the first diode D1, the second diode D2, third diode D3, the 4th diode D4, first resistor
R1, second resistance R2,3rd resistor R3, the 4th resistance R4, electromagnetic coil L, driving power+V；The PNP triode Q1's
The emitter of emitter and PNP triode Q2 are connect with driving power+V；The emitter and NPN triode of NPN triode Q3
The emitter of Q4 is grounded；The collector of PNP triode Q1 is connect with the collector of NPN triode Q3；The collection of PNP triode Q2
Electrode is connect with the collector of triode Q4；The both ends of electromagnetic coil L respectively with tri- pole of the collector of PNP triode Q1 and PNP
The connection of the collector of pipe Q2；The base stage of PNP triode Q1 is connect by first resistor R1 with the collector of PNP triode Q2；
The base stage of PNP triode Q2 is connect by second resistance R2 with the collector of PNP triode Q1；The base stage of NPN triode Q3 is logical
Cross 3rd resistor R3 connection control terminals DRV_D0；The base stage of NPN triode Q4 passes through the 4th resistance R4 connection control terminals DRV_
Dn0；The cathode of first diode D1 is connect with the emitter of PNP triode Q1；The anode and PNP triode of first diode D1
The collector of Q1 connects；The cathode of second diode D2 is connect with the emitter of PNP triode Q2；The anode of second diode D2
It is connect with the collector of PNP triode Q2；The cathode of third diode D3 is connect with the collector of NPN triode Q3, and the three or two
The anode of pole pipe D3 is connect with the emitter of NPN triode Q3；The collector of the cathode and NPN triode Q4 of 4th diode D4
Connection, the anode of the 4th diode D4 are connect with the emitter of NPN triode Q4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810544063.1A CN108494235A (en) | 2018-05-31 | 2018-05-31 | A kind of slide cam selector driving circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810544063.1A CN108494235A (en) | 2018-05-31 | 2018-05-31 | A kind of slide cam selector driving circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108494235A true CN108494235A (en) | 2018-09-04 |
Family
ID=63352487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810544063.1A Pending CN108494235A (en) | 2018-05-31 | 2018-05-31 | A kind of slide cam selector driving circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108494235A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545501A (en) * | 2018-12-18 | 2019-03-29 | 南通职业大学 | Electronic jacquard machine assembly solenoid spool remanent magnetism degaussing circuit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10339435A (en) * | 1997-06-06 | 1998-12-22 | Matsushita Electric Ind Co Ltd | Electromagnetic drive controller |
| CN2402694Y (en) * | 1999-10-24 | 2000-10-25 | 浙江大学电气自动化研究所 | Drive for electronic needle selection mechanism |
| CN201698967U (en) * | 2010-07-02 | 2011-01-05 | 威胜集团有限公司 | Driving circuit of improved magnetic latching relay of electric energy meter |
-
2018
- 2018-05-31 CN CN201810544063.1A patent/CN108494235A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10339435A (en) * | 1997-06-06 | 1998-12-22 | Matsushita Electric Ind Co Ltd | Electromagnetic drive controller |
| CN2402694Y (en) * | 1999-10-24 | 2000-10-25 | 浙江大学电气自动化研究所 | Drive for electronic needle selection mechanism |
| CN201698967U (en) * | 2010-07-02 | 2011-01-05 | 威胜集团有限公司 | Driving circuit of improved magnetic latching relay of electric energy meter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545501A (en) * | 2018-12-18 | 2019-03-29 | 南通职业大学 | Electronic jacquard machine assembly solenoid spool remanent magnetism degaussing circuit |
| CN109545501B (en) * | 2018-12-18 | 2020-07-14 | 南通职业大学 | Valve core remanence demagnetizing circuit of electromagnetic valve of electronic jacquard machine assembly |
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| PB01 | Publication | ||
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Application publication date: 20180904 |