CN105822808B - A kind of water-jet loom steering valve-driving circuit - Google Patents
A kind of water-jet loom steering valve-driving circuit Download PDFInfo
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- CN105822808B CN105822808B CN201610332872.7A CN201610332872A CN105822808B CN 105822808 B CN105822808 B CN 105822808B CN 201610332872 A CN201610332872 A CN 201610332872A CN 105822808 B CN105822808 B CN 105822808B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
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Abstract
The invention discloses a kind of water-jet looms to turn to valve-driving circuit, belongs to electromechanical control field.The present invention includes control signal input, timing generator circuit, H-bridge drive circuit, switching valve interface end；Control signal input includes input terminal IN1 and input terminal IN2；Switching valve interface end includes output end OUT1 and output end OUT2；Timing generator circuit includes four resistance, two NPN type triodes, a 74HC132 type IC chip and a capacitor；H-bridge drive circuit includes 12 resistance, four NPN type triodes, two positive-negative-positive Darlington triodes, two diodes and two metal-oxide-semiconductors.Present invention uses 4 NAND gates of IC chip to construct a H bridge driving input timing logic circuit, when can completely avoid the driving of H bridge the occurrence of the bridge arm direct pass of unilateral side, the prior art is solved in drive control, it is difficult to guarantee the defect of driver' s timing entirely accurate.
Description
Technical field
The present invention relates to a kind of water-jet looms to turn to valve-driving circuit, for belonging to electromechanics in the production of water-jet loom woven fabric
Control field.
Background technique
With the development of industrial electric automation, the mechanical part in conventional water jet loom picking motion is by electromechanical assembly institute
Replace, switching valve is exactly the key device introduced in the process, these electromechanical assemblies select the pattern of water-jet loom
Latitude alternately selects latitude by past 2 color, and that develops to current 4 colors or even more polychrome selects latitude.Switching valve is to belong to water-jet loom to draw
A critical component in latitude mechanism is responsible for the switching in water spray channel during wefting insertion.By regularly controlling switching valve
Switching, can replace the channel of wefting insertion, as required so as to realize cloth style abundant.
Switching valve belongs to electromagnetic mechanism, compared to traditional mechanical mechanism, has many advantages, such as that control is flexible, is swift in response.By
Stronger driving current is needed when turning to Vavle switching, and different steering driving voltage directions is different, so needing special
The circuit of design is driven, general to select bridge circuit driving.Traditional driving circuit, in drive control, it is difficult to guarantee
The entirely accurate of driver' s timing, it is possible that the case where unilateral bridge arm conducting, the service life of reliability and equipment for system
There is potential adverse effect.
Summary of the invention
The present invention is for the prior art in drive control, it is difficult to which the defect for guaranteeing driver' s timing entirely accurate proposes
A kind of driver' s timing that can accurately generate switching valve is effectively prevented from the water-jet loom that unilateral bridge arm conducting happens and turns
To valve-driving circuit.
A kind of water-jet loom steering valve-driving circuit, including control signal input, timing generator circuit, H bridge driving electricity
Road, switching valve interface end；
Control signal input includes input terminal IN1 and input terminal IN2；The input terminal IN1 and input terminal IN2 input
It is that the logical signal of 5V or 3.3V level namely 5V (3.3V) counterlogic " 1 ", 0V counterlogic " 0 ", two terminals altogether may be used
To form 4 kinds of input conditions, combination used in the present invention includes " 00 ", " 10 ", " 01 ", and not applicable input is combined
"11"；
Switching valve interface end includes output end OUT1 and output end OUT2, in use, the output end OUT1 and output
End OUT2 is connect with two leads of switching valve respectively；
Timing generator circuit include first resistor R1, second resistance R2, the first NPN type triode NPN1,3rd resistor R3,
4th resistance R4, second the first IC chip of NPN type triode NPN2,74HC132 type U1, first capacitor C1；Described
One end of first resistor R1 connects 5V power supply, collector, the first ic core of the other end and the first NPN type triode NPN1
1 foot, 2 feet and the connection of 13 feet of piece U1, and form circuit network CH1_DLT；One end of second resistance R2 and input terminal IN1 connect
It connects；The other end of second resistance R2 is connect with the base stage of the first NPN type triode NPN1；The hair of first NPN type triode NPN1
Emitter-base bandgap grading is connect with power ground；One end of 3rd resistor R3 connects 5V power supply, the current collection of the other end and the second NPN type triode NPN2
Pole, 9 feet of the first IC chip U1,10 feet and the connection of 5 feet, and form circuit network CH2_DLT；The one of 4th resistance R4
End is connect with input terminal IN2；The other end of 4th resistance R4 is connect with the base stage of the second NPN type triode NPN2；Second NPN type
The emitter of triode NPN2 is connect with power ground；3 feet of first IC chip U1 are connect with 4 feet；First integrated circuit
8 feet of chip U1 are connect with 12 feet；The 6 foot output signals of first IC chip U1 form circuit network CH1_MOS;First
The 11 foot output signals of IC chip U1 form circuit network CH2_MOS；14 feet and 5V of first IC chip U1
One end connection of power supply, first capacitor C1；The other end of 7 feet of first IC chip U1 and power ground, first capacitor C1
Connection；
H-bridge drive circuit include the tenth resistance R10, the 4th NPN type triode NPN4, the 8th resistance R8, the 6th resistance R6,
First positive-negative-positive Darlington triode DLT1, first diode D1, the second diode D2, the second positive-negative-positive Darlington triode
DLT2, the 5th resistance R5, the 7th resistance R7, third NPN type triode NPN3, the 9th resistance R9, thirteenth resistor R13, the tenth
Six resistance R16, the 14th resistance R14, the 6th NPN type triode NPN6, the first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q2, the 11st electricity
Hinder R11, twelfth resistor R12, the 5th NPN type triode NPN5, the 15th resistance R15；One end of the tenth resistance R10
It is connect with circuit network CH1_DLT, the other end is connect with the base stage of the 4th NPN type triode NPN4；4th NPN type triode
The emitter of NPN4 is connect with power ground, and collector is connect with one end of the 8th resistance R8；The other end of 8th resistance R8 and
The base stage connection of one end of six resistance R6, the first positive-negative-positive Darlington triode DLT1；The other end and the 48V electricity of 6th resistance R6
The cathode connection in source, the emitter of the first positive-negative-positive Darlington triode DLT1, first diode D1；First positive-negative-positive Darlington three
The collector of pole pipe DLT1 is connect with the drain electrode of the anode of first diode D1, the first metal-oxide-semiconductor Q1, is formed and is had output end OUT1
Circuit network OUT1；One end of thirteenth resistor R13 is connect with 12V power supply, the other end and the 6th NPN type triode NPN6's
One end connection of collector, the 14th resistance R14；One end of 16th resistance R16 is connect with circuit network CH1_MOS；Tenth
The other end of six resistance R16 is connect with the base stage of the 6th NPN type triode NPN6；The emitter of 6th NPN type triode NPN6
It is connect with power ground；The other end of 14th resistance R14 is connect with the grid of the first metal-oxide-semiconductor Q1；The source electrode of first metal-oxide-semiconductor Q1 with
Power ground connection；One end of 9th resistance R9 is connect with circuit network CH2_DLT, the other end and third NPN type triode NPN3
Base stage connection；The emitter of third NPN type triode NPN3 is connect with power ground, and one end of collector and the 7th resistance R7 connect
It connects；The other end of 7th resistance R7 is connect with the base stage of one end of the 5th resistance R5, the second positive-negative-positive Darlington triode DLT2；
The other end of 5th resistance R5 and 48V power supply, the emitter of the second positive-negative-positive Darlington triode DLT2, the second diode D2
Cathode connection；The anode of the collector of second positive-negative-positive Darlington triode DLT2 and the second diode D2, the second metal-oxide-semiconductor Q2
Drain electrode connection, forms the circuit network OUT2 of output end OUT2；One end of twelfth resistor R12 is connect with 12V power supply；12nd
The other end of resistance R12 is connect with one end of the collector of the 5th NPN type triode NPN5, eleventh resistor R11；15th electricity
One end of resistance R15 is connect with circuit network CH2_MOS, and the other end is connect with the base stage of the 5th NPN type triode NPN5；5th
The emitter of NPN type triode NPN5 is connect with power ground；The grid of the other end of eleventh resistor R11 and the second metal-oxide-semiconductor Q2
Connection；The source electrode of second metal-oxide-semiconductor Q2 is connect with power ground.
Compared with the prior art, the advantages of the present invention are as follows: use 4 NAND gate structures of the first IC chip U1
A H bridge driving input timing logic circuit has been made, when can completely avoid the driving of H bridge the occurrence of the bridge arm direct pass of unilateral side,
Reliable guarantee is provided for the safety and service life of device；In the use of the present invention, only needing input terminal IN1 and IN2 is straight
It connects or is indirectly connected on microcontroller two common I/O ports, then patrolled by the two I/O ports output of microcontroller
Volume combination " 00 ", " 10 ", " 11 ", just can control the switching and stopping of switching valve, are easy to use and flexibly；Due to introducing
4 NAND gates only need a piece of IC chip 74HC132, and attached hardware cost is extremely low, can ignore substantially.
Detailed description of the invention
Fig. 1 is circuit diagram of the invention.
Specific embodiment
As shown in Figure 1, the present invention includes control signal input 1, timing generator circuit 2, H-bridge drive circuit 3, switching valve
Interface end 4, totally 4 parts.
Control signal input includes input terminal IN1 and input terminal IN2；The input terminal IN1 and input terminal IN2 be
Logical signal namely 5V (3.3V) counterlogic " 1 " of 5V or 3.3V level, 0V counterlogic " 0 ", two terminals altogether can group
At 4 kinds of input conditions, combination used in the present invention includes " 00 ", " 10 ", " 01 ", and " 11 " are combined in not applicable input；?
In use, two input terminals can be connected to two common I/O ports of microcontroller by directly or indirectly mode
On, the switching and stopping of switching valve are realized by 3 kinds of logical combinations of output.Switching valve interface end 4 includes output end OUT1 and defeated
Outlet OUT2, in use, the output end OUT1 and output end OUT2 are connect with two leads of switching valve respectively.
Timing generator circuit 2 include first resistor R1(470 Ω), second resistance R2(10K Ω), the first NPN type triode
NPN1(S8050), 3rd resistor R3(470 Ω), the 4th resistance R4(10K Ω), the second NPN type triode NPN2(S8050),
The first IC chip of 74HC132 type U1, first capacitor C1(0.1uF)；One end of the first resistor R1 and 5V power supply
Connection；The collector of the other end of first resistor R1 and the first NPN type triode NPN1, the first IC chip U1 1 foot,
2 feet and the connection of 13 feet, form circuit network CH1_DLT；One end of second resistance R2 is connect with input terminal IN1；Second resistance R2
The other end connect with the base stage of the first NPN type triode NPN1；The emitter and power ground of first NPN type triode NPN1 connects
It connects；One end of 3rd resistor R3 is connect with 5V power supply；The current collection of the other end of 3rd resistor R3 and the second NPN type triode NPN2
Pole, 9 feet of the first IC chip U1,10 feet and the connection of 5 feet, form circuit network CH2_DLT；One end of 4th resistance R4
It is connect with input terminal IN2；The other end of 4th resistance R4 is connect with the base stage of the second NPN type triode NPN2；Second NPN type three
The emitter of pole pipe NPN2 is connect with power ground；3 feet of first IC chip U1 are connect with 4 feet；First ic core
8 feet of piece U1 are connect with 12 feet；The 6 foot output signals of first IC chip U1 form circuit network CH1_MOS;First collection
Circuit network CH2_MOS is formed at the 11 foot output signals of circuit chip U1；14 feet and the 5V electricity of first IC chip U1
One end connection in source, first capacitor C1；7 feet and power ground of first IC chip U1, the other end of first capacitor C1 connect
It connects.
H-bridge drive circuit 3 include the tenth resistance R10(10K Ω), the 4th NPN type triode NPN4(MMBT5551), the 8th
Resistance R8(11K Ω), the 6th resistance R6(680 Ω), the first positive-negative-positive Darlington triode DLT1(BD680A), first diode
D1(SK5B), the second diode D2(SK5B), the second positive-negative-positive Darlington triode DLT2(BD680A), the 5th resistance R5(680
Ω), the 7th resistance R7(11K Ω), third NPN type triode NPN3(MMBT5551), the 9th resistance R9(10K Ω), the 13rd
Resistance R13(22K Ω), the 16th resistance R16(10K Ω), the 14th resistance R14(100 Ω), the 6th NPN type triode NPN6
(MMBT5551), the first metal-oxide-semiconductor Q1(IRFR120N), the second metal-oxide-semiconductor Q2(IRFR120N), eleventh resistor R11(100 Ω),
Twelfth resistor R12(22K Ω), the 5th NPN type triode NPN5(MMBT5551), the 15th resistance R15(10K Ω)；It is described
One end of the tenth resistance R10 connect with circuit network CH1_DLT；The other end and the 4th NPN type triode of tenth resistance R10
The base stage of NPN4 connects；The emitter of 4th NPN type triode NPN4 is connect with power ground；4th NPN type triode NPN4's
Collector is connect with one end of the 8th resistance R8；The other end of 8th resistance R8 is reached with one end of the 6th resistance R6, the first positive-negative-positive
The base stage of Islington triode DLT1 connects；The other end and 48V power supply, the first positive-negative-positive Darlington triode of 6th resistance R6
The cathode connection of the emitter, first diode D1 of DLT1；The collector and the one or two of first positive-negative-positive Darlington triode DLT1
The drain electrode connection of the anode of pole pipe D1, the first metal-oxide-semiconductor Q1, forms band output end OUT1 circuit network OUT1；Thirteenth resistor R13
One end connect with 12V power supply；The collector of the other end of thirteenth resistor R13 and the 6th NPN type triode NPN6, the 14th
One end of resistance R14 connects；One end of 16th resistance R16 is connect with circuit network CH1_MOS；16th resistance R16's is another
One end is connect with the base stage of the 6th NPN type triode NPN6；The emitter of 6th NPN type triode NPN6 is connect with power ground；
The other end of 14th resistance R14 is connect with the grid of the first metal-oxide-semiconductor Q1；The source electrode of first metal-oxide-semiconductor Q1 is connect with power ground；The
One end of nine resistance R9 is connect with circuit network CH2_DLT；The other end of 9th resistance R9 is with third NPN type triode NPN3's
Base stage connection；The emitter of third NPN type triode NPN3 is connect with power ground；The collector of third NPN type triode NPN3
It is connect with one end of the 7th resistance R7；The other end of 7th resistance R7 and one end, the second positive-negative-positive Darlington three of the 5th resistance R5
The base stage of pole pipe DLT2 connects；The hair of the other end of 5th resistance R5 and 48V power supply, the second positive-negative-positive Darlington triode DLT2
The cathode connection of emitter-base bandgap grading, the second diode D2；The collector of second positive-negative-positive Darlington triode DLT2 and the second diode D2's
The drain electrode connection of anode, the second metal-oxide-semiconductor Q2, forms the circuit network OUT2 for having output end OUT2；The one of twelfth resistor R12
End is connect with 12V power supply；The collector of the other end of twelfth resistor R12 and the 5th NPN type triode NPN5, eleventh resistor
One end of R11 connects；One end of 15th resistance R15 is connect with circuit network CH2_MOS；The other end of 15th resistance R15
It is connect with the base stage of the 5th NPN type triode NPN5；The emitter of 5th NPN type triode NPN5 is connect with power ground；Tenth
The other end of one resistance R11 is connect with the grid of the second metal-oxide-semiconductor Q2；The source electrode of second metal-oxide-semiconductor Q2 is connect with power ground.
The operation principle of the present invention is that: microcontroller transmits control command from input terminal IN1 and input terminal IN2, existing
Order group amounts to 4 kinds, respectively " 00 ", " 10 ", " 01 ", " 11 "；When input group is combined into " 00 ", what timing generator circuit generated
4 circuit network CH1_DLT, CH2_DLT, CH1_MOS, CH2_MOS level logics be respectively " 0 ", " 0 ", " 1 ", " 1 ", H bridge
On state is that 4 transistors are all not turned on, and final control effect is that output end OUT1 and output end OUT2 are high resistants
State；When input group is combined into " 10 ", timing generator circuit generate 4 circuit network CH1_DLT, CH2_DLT, CH1_MOS,
CH2_MOS level logic be respectively " 1 ", " 0 ", " 1 ", " 0 ", the on state of H bridge is upper left and the transistor turns of bottom right two,
And two transistors in lower-left and upper right are not turned on, final control effect is that output end OUT1 meets 48V power supply, output end OUT2
Connect power ground；When input group is combined into " 01 ", 4 circuit networks CH1_DLT, CH2_DLT, CH1_ that timing generator circuit generates
MOS, CH2_MOS level logic be respectively " 0 ", " 1 ", " 0 ", " 1 ", the on state of H bridge is two transistors in lower-left and upper right
Conducting, and upper left and the transistor of bottom right two are not turned on, final control effect is that output end OUT1 connects power ground, output end
OUT2 connects 48V power supply；When input group is combined into " 11 ", 4 circuit networks CH1_DLT, CH2_ that timing generator circuit generates
DLT, CH1_MOS, CH2_MOS level logic be respectively " 1 ", " 1 ", " 1 ", " 1 ", the on state of H bridge is upper left and upper right two
A transistor turns, and lower-left and the transistor of bottom right two are not turned on, final control effect is output end OUT1 and output end
OUT2 connects 48V power supply；The control effect of entire input logic is as shown in table 1.
1 input logic control effect table of table
| IN1 | IN2 | CH1_DLT | CH2_DLT | CH1_MOS | CH2_MOS | Control effect |
| 0 | 0 | 0 | 0 | 1 | 1 | OUT1 high resistant, OUT2 high resistant |
| 1 | 0 | 1 | 0 | 1 | 0 | OUT1 meets 48V, OUT2 and meets AGND |
| 0 | 1 | 0 | 1 | 0 | 1 | OUT1 meets AGND, OUT2 and meets 48V |
| 1 | 1 | 1 | 1 | 1 | 1 | OUT1 meets 48V, OUT2 and meets 48V |
As can be seen from the table, when input group is combined into " 00 ", output end OUT1 and output end OUT2 can be assumed that into
Circuit disconnects；When input group is combined into " 10 ", output end OUT1 is ﹢ 48V relative to the voltage difference of output end OUT2；When input group
When being combined into " 01 ", output end OUT1 is -48V relative to the voltage difference of output end OUT2；When input group is combined into " 11 ", output end
OUT1 is 0V relative to the voltage difference of output end OUT2；All input conditions are impossible to the case where generating the conducting of unilateral bridge arm；
In actual use, when needing to switch switching valve direction, by input combination " 10 " or " 01 " switching valve is switched to
Then required orientation disconnects switching valve and power supply by combining " 00 ", to save the energy, and combine " 11 " be using
Less than；By analysis as can be seen that input terminal command in combination generates 4 control logic signals by 4 NAND gates, then again
The on state of 4 respective transistors is controlled, thus output end driving voltage required for realizing, to drive the dynamic of switching valve
Make.
Claims (1)
1. a kind of water-jet loom turns to valve-driving circuit, it is characterised in that: the water-jet loom turns to valve-driving circuit and includes
Control signal input, timing generator circuit, H-bridge drive circuit, switching valve interface end；
Control signal input includes input terminal IN1 and input terminal IN2, input terminal IN1 and input terminal IN2 input be 5V or
The logical signal of 3.3V level, 5V or 3.3V counterlogic " 1 ", 0V counterlogic " 0 ", the logical signal composition of two input terminals
" 00 ", " 10 ", " 01 " three kinds of combinations；Switching valve interface end includes output end OUT1 and output end OUT2；
Timing generator circuit includes first resistor R1, second resistance R2, the first NPN type triode NPN1,3rd resistor R3, the 4th
Resistance R4, second the first IC chip of NPN type triode NPN2,74HC132 type U1, first capacitor C1；Described first
One end of resistance R1 connects 5V power supply, collector, the first IC chip U1 of the other end and the first NPN type triode NPN1
1 foot, 2 feet and the connection of 13 feet, and form circuit network CH1_DLT；One end of second resistance R2 is connect with input terminal IN1；The
The other end of two resistance R2 is connect with the base stage of the first NPN type triode NPN1；The emitter of first NPN type triode NPN1 with
Power ground connection；One end of 3rd resistor R3 connects 5V power supply, the collector of the other end and the second NPN type triode NPN2, the
9 feet, 10 feet and the connection of 5 feet of one IC chip U1, and form circuit network CH2_DLT；One end of 4th resistance R4 with
Input terminal IN2 connection；The other end of 4th resistance R4 is connect with the base stage of the second NPN type triode NPN2；Second NPN type, three pole
The emitter of pipe NPN2 is connect with power ground；3 feet of first IC chip U1 are connect with 4 feet；First IC chip
8 feet of U1 are connect with 12 feet；The 6 foot output signals of first IC chip U1 form circuit network CH1_MOS;First is integrated
The 11 foot output signals of circuit chip U1 form circuit network CH2_MOS；14 feet and 5V power supply of first IC chip U1,
One end of first capacitor C1 connects；7 feet of first IC chip U1 are connect with the other end of power ground, first capacitor C1；
H-bridge drive circuit includes the tenth resistance R10, the 4th NPN type triode NPN4, the 8th resistance R8, the 6th resistance R6, first
Positive-negative-positive Darlington triode DLT1, first diode D1, the second diode D2, the second positive-negative-positive Darlington triode DLT2,
Five resistance R5, the 7th resistance R7, third NPN type triode NPN3, the 9th resistance R9, thirteenth resistor R13, the 16th resistance
R16, the 14th resistance R14, the 6th NPN type triode NPN6, the first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q2, eleventh resistor R11,
Twelfth resistor R12, the 5th NPN type triode NPN5, the 15th resistance R15；One end of the tenth resistance R10 and circuit
Network C H1_DLT connection, the other end are connect with the base stage of the 4th NPN type triode NPN4；The hair of 4th NPN type triode NPN4
Emitter-base bandgap grading is connect with power ground, and collector is connect with one end of the 8th resistance R8；The other end and the 6th resistance R6 of 8th resistance R8
One end, the first positive-negative-positive Darlington triode DLT1 base stage connection；The other end and 48V power supply, first of 6th resistance R6
The cathode connection of the emitter, first diode D1 of positive-negative-positive Darlington triode DLT1；First positive-negative-positive Darlington triode
The collector of DLT1 is connect with the drain electrode of the anode of first diode D1, the first metal-oxide-semiconductor Q1, forms the electricity for having output end OUT1
Road network OUT1；One end of thirteenth resistor R13 is connect with 12V power supply, the current collection of the other end and the 6th NPN type triode NPN6
One end connection of pole, the 14th resistance R14；One end of 16th resistance R16 is connect with circuit network CH1_MOS；16th electricity
The other end of resistance R16 is connect with the base stage of the 6th NPN type triode NPN6；The emitter and electricity of 6th NPN type triode NPN6
Connect to source；The other end of 14th resistance R14 is connect with the grid of the first metal-oxide-semiconductor Q1；The source electrode and power supply of first metal-oxide-semiconductor Q1
Ground connection；One end of 9th resistance R9 is connect with circuit network CH2_DLT, the base of the other end and third NPN type triode NPN3
Pole connection；The emitter of third NPN type triode NPN3 is connect with power ground, and collector is connect with one end of the 7th resistance R7；
The other end of 7th resistance R7 is connect with the base stage of one end of the 5th resistance R5, the second positive-negative-positive Darlington triode DLT2；5th
The other end of resistance R5 and 48V power supply, the emitter of the second positive-negative-positive Darlington triode DLT2, the second diode D2 cathode
Connection；The drain electrode of the anode, the second metal-oxide-semiconductor Q2 of the collector and the second diode D2 of second positive-negative-positive Darlington triode DLT2
Connection forms the circuit network OUT2 of output end OUT2；One end of twelfth resistor R12 is connect with 12V power supply；Twelfth resistor
The other end of R12 is connect with one end of the collector of the 5th NPN type triode NPN5, eleventh resistor R11；15th resistance
One end of R15 is connect with circuit network CH2_MOS, and the other end is connect with the base stage of the 5th NPN type triode NPN5；5th NPN
The emitter of type triode NPN5 is connect with power ground；The grid of the other end of eleventh resistor R11 and the second metal-oxide-semiconductor Q2 connect
It connects；The source electrode of second metal-oxide-semiconductor Q2 is connect with power ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610332872.7A CN105822808B (en) | 2016-05-19 | 2016-05-19 | A kind of water-jet loom steering valve-driving circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610332872.7A CN105822808B (en) | 2016-05-19 | 2016-05-19 | A kind of water-jet loom steering valve-driving circuit |
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| Publication Number | Publication Date |
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| CN105822808A CN105822808A (en) | 2016-08-03 |
| CN105822808B true CN105822808B (en) | 2018-12-07 |
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| CN201610332872.7A Active CN105822808B (en) | 2016-05-19 | 2016-05-19 | A kind of water-jet loom steering valve-driving circuit |
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| CN205605926U (en) * | 2016-05-19 | 2016-09-28 | 浙江自力机械有限公司 | Hydraulic loom switching valve drive circuit |
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2016
- 2016-05-19 CN CN201610332872.7A patent/CN105822808B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5102974B2 (en) * | 2006-04-24 | 2012-12-19 | 株式会社豊田自動織機 | Seam treatment method in water jet loom |
| CN1937396A (en) * | 2006-10-13 | 2007-03-28 | 清华大学 | Coutrol device for electric booster steering system |
| CN201930541U (en) * | 2011-01-11 | 2011-08-17 | 张有利 | Remote-control receiving and driving device for remote-control toy |
| CN203477542U (en) * | 2013-09-16 | 2014-03-12 | 杭州休普电子技术有限公司 | Temperature-control passive faucet |
| CN204042130U (en) * | 2014-06-30 | 2014-12-24 | 北京航天发射技术研究所 | A kind of proportional valve control system |
| CN205605926U (en) * | 2016-05-19 | 2016-09-28 | 浙江自力机械有限公司 | Hydraulic loom switching valve drive circuit |
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| Publication number | Publication date |
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| CN105822808A (en) | 2016-08-03 |
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