CN103603989B - A kind of differential type high-speed switch valve based on magnetic control memory alloy - Google Patents
A kind of differential type high-speed switch valve based on magnetic control memory alloy Download PDFInfo
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- CN103603989B CN103603989B CN201310635743.1A CN201310635743A CN103603989B CN 103603989 B CN103603989 B CN 103603989B CN 201310635743 A CN201310635743 A CN 201310635743A CN 103603989 B CN103603989 B CN 103603989B
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- memory alloy
- control memory
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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
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
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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
- F16K49/00—Means in or on valves for heating or cooling
- F16K49/005—Circulation means for a separate heat transfer fluid
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The present invention relates to a kind of differential type high-speed switch valve based on magnetic control memory alloy.Its technological scheme is: left drive unit (12) and right drive unit (20) are fixed on oil route controller (17) left side and right side accordingly, spool (15) left end of oil route controller (17) contacts with the left magnetic control memory alloy (5) of left drive unit (12), and the valve pocket axle (18) of oil route controller (17) contacts with the right magnetic control memory alloy (27) of right drive unit (20).The left magnetic control memory alloy (5) of left drive unit (12) is positioned at the center on left field core (8) breach limit, and left magnetic control memory alloy (5) left end is contained in the blind hole of left footstock (6); Two limits adjacent with breach limit of left field core (8) are wound with left first field coil (2) and left second field coil (9).Left drive unit (12) is identical with right drive unit (20).The present invention has high frequency sound, flow is large, High power output, structure simple, strong interference immunity and feature for ease of maintenaince.
Description
Technical field
The invention belongs to high-speed switch valve technical field.Be specifically related to a kind of differential type high-speed switch valve based on magnetic control memory alloy.
Background technique
What in construction machinery hydraulic system, adopt pwm pulse to modulate digital controlly has many significant advantages, as being easy to be connected with computer, system price is cheap, antipollution and antijamming capability strong etc.But this control system needs high-speed switch valve.Traditional high-speed switch valve is the suction produced by means of control electromagnet, makes the forward and reverse motion of spool high speed, thus realizes the electrohydraulic control element of liquid stream at the alternately on-off function at valve port place, and its open frequency mostly is tens hertz.Some high-speed switch valves of exploitation both at home and abroad at present, mostly adopt electromagnet as driver, the switch speed of valve is slow; Although improve switch speed and frequency with the switch valve that piezo crystals build driver is power, required voltage is high, and consumed power is large.
Summary of the invention
The present invention is intended to solve prior art defect, and object is to provide a kind of high frequency sound, flow is large, High power output, structure are simple, strong interference immunity and the differential type high-speed switch valve based on magnetic control memory alloy for ease of maintenaince.
For achieving the above object, the technical solution used in the present invention is: described high-speed switch valve is made up of left drive unit, right drive unit and oil route controller.Left drive unit is fixed on the left side of oil route controller, and right drive unit is fixed on the right side of oil route controller.The left end of the spool in oil route controller is connected with the left magnetic control memory alloy of left drive unit, and the valve pocket axle of the valve pocket in oil route controller is connected with the right magnetic control memory alloy of right drive unit.
The structure of left drive unit is: left field core is arranged between left first dunnage and left second dunnage, and left first dunnage, left field core and left second dunnage are bolted on left support abutment.Left magnetic control memory alloy is positioned at the center position place on left field core breach limit, and left magnetic control memory alloy left end is contained in the blind hole of left footstock, and left footstock is embedded in the blind hole of left first dunnage.Left first field coil is wrapped in a limit adjacent with breach limit of left field core, and left second field coil is wrapped in another limit adjacent with breach limit of left field core.Two minor faces on left field core breach limit are enclosed with left first water-cooling tube and left second water-cooling tube accordingly.The non-magnetic safety cover of left support abutment and a left side is fixed on left side, left magnetic control memory alloy and the oil route controller coaxial line of oil route controller.
The structure of right drive unit is: right field core is arranged between right first dunnage and right second dunnage, and right first dunnage, right field core and right second dunnage are bolted on right support abutment.Right magnetic control memory alloy is positioned at the center position place on right field core breach limit, and right magnetic control memory alloy right-hand member is contained in the blind hole of right footstock, and right footstock is embedded in the blind hole of right first dunnage.Right first field coil is wrapped in a limit adjacent with breach limit of right field core, and right second field coil is wrapped in another limit adjacent with breach limit of right field core.Two minor faces on right field core breach limit are enclosed with right first water-cooling tube and right second water-cooling tube accordingly.The non-magnetic safety cover of right support abutment and the right side is fixed on right side, right magnetic control memory alloy and the oil route controller coaxial line of oil route controller.
The structure of oil route controller is: left valve gap is arranged on the left side of valve body, and right valve gap is arranged on the right side of valve body, and the center hole hole wall of left valve gap and right valve gap is all equipped with seal ring.The inside of valve body is cylindrical cavity, and the left end near valve body has and P
1the oil circuit that mouth communicates, the right-hand member near valve body has and P
2another oil circuit that mouth communicates.
Valve pocket is arranged in valve body actively, and valve pocket inside is cylindrical cavity, and valve pocket has valve pocket hydraulic fluid port, the P of the Distance geometry valve body of center line outside valve pocket right-hand member of valve pocket hydraulic fluid port
2distance inside mouth center line to right valve gap is equal, valve pocket hydraulic fluid port and P
2mouth communicates.The right-hand member of valve pocket is closed, and is fixed with valve pocket axle concentrically outside right-hand member, and valve pocket axle is connected with right magnetic control memory alloy through right support abutment.The left end of valve pocket is fixedly equipped with valve pocket end cap, and the center of valve pocket end cap is provided with center hole.
Keep right and be provided with circular cone in the middle part of spool, the small end face of circular cone is towards a left side.The coaxial heart of circular cone of spool is arranged in valve pocket, the left end of spool is connected with the right-hand member of the center hole of left support abutment with left magnetic control memory alloy through the center hole of left valve gap, the left end cover of spool has the first returning spring, first returning spring right-hand member contacts with valve pocket end cap, and the first returning spring left end contacts with left valve gap.The right-hand member cover of spool has the second returning spring, and the left end of the second returning spring contacts with the large end face of circular cone, and the right-hand member of the second returning spring is fixed on the center position of valve pocket right-hand member inwall.
Described left field core is square ring, and the middle position on a limit of square ring has breach.Left field core is identical with right field core.
A described left side first water-cooling tube is rectangular tube, and one end of rectangular tube is water intake, and the other end is water outlet, and the surface of rectangular tube scribbles NULL.Left first water-cooling tube and left second water-cooling tube, right first water-cooling tube are all identical with right second water-cooling tube.
Described left footstock is " T " font cylindrical body, and the cylinder diameter on the left footstock left side is greater than the cylinder diameter on the right, and the center of the right-hand member end face of left footstock has blind hole, and the material of left footstock is NULL.Left footstock is identical with right footstock.
The left end of described spool is connected with the left magnetic control memory alloy of left drive unit and refers to: the center of the left end end face of spool has blind hole, and the right-hand member of left magnetic control memory alloy is placed in the blind hole of the left end end face of spool.
Described valve pocket axle is connected with the right magnetic control memory alloy of right drive unit and refers to: the center of the right-hand member end face of valve pocket axle has blind hole, and the left end of right magnetic control memory alloy is placed in the blind hole of the left end end face of spool.
Owing to adopting technique scheme, left magnetic control memory alloy of the present invention is positioned at the center position place on left field core breach limit, left magnetic control memory alloy left end is contained in the blind hole of left footstock, left magnetic control memory alloy right-hand member is contained in the blind hole of spool left end, left first field coil is wrapped in a limit adjacent with breach limit of left field core, and left second field coil is wrapped in another limit adjacent with breach limit of left field core.Right magnetic control memory alloy is positioned at the center position place on right field core breach limit, right magnetic control memory alloy right-hand member is contained in the blind hole of right footstock, right magnetic control memory alloy left end is contained in the blind hole of valve pocket right-hand member, right first field coil is wrapped in a limit adjacent with breach limit of right field core, and right second field coil is wrapped in another limit adjacent with breach limit of right field core.
Left first field coil, left second field coil, right first field coil and right second field coil are when being energized, magnetic field is produced in left field core and right field core, the magnetic direction of left field core and right field core indentation, there is vertical with left magnetic control memory alloy, right magnetic control memory alloy respectively, make it extend, promotion spool moves right, valve pocket is to left movement, and the circular cone on spool leaves the center hole of valve pocket end cap, makes P
1mouth and P
2two oil circuits of mouth are through, realize the unlatching of switch valve; Left first field coil, left second field coil, right first field coil and right second field coil are when short electricity, left magnetic control memory alloy and right magnetic control memory alloy stop extending, first returning spring promotes valve pocket and moves right, second returning spring promotes spool to left movement, circular cone on spool covers the cylindrical breach on valve pocket end cap, makes P
1mouth and P
2two oil circuits of mouth disconnect, and realize the closed of switch valve.
Therefore, the present invention compared with prior art tool have the following advantages:
1, the present invention adopts unlatching that left magnetic control memory alloy and right magnetic control memory alloy are switch valve to provide the power of axial motion, because the output displacement of left magnetic control memory alloy and right magnetic control memory alloy is large, High power output, control accuracy is high, response time is less than 1ms, there is distortion large, High power output and the feature such as deformation response is fast, thus ensure that spool can react rapidly at work.
2, the present invention utilizes unlatching that left magnetic control memory alloy and right magnetic control memory alloy are switch valve to provide the power of axial motion, there is no the equipment such as complicated motor, and switch valve structure on two sides is completely the same, so structure is simple, easy to operate, be easy to later period maintenance.
3, the present invention is equipped with seal ring at the hole wall of left valve gap and right valve gap, with the leakage preventing the gap of left valve gap and right valve gap and corresponding spool and valve pocket axle from causing, makes switch valve have good sealing.
4, the present invention adopt water-cooled form be power system cooling, can effectively prevent left magnetic control memory alloy and right magnetic control memory alloy environment temperature too high, improve working effect.
5, the present invention adopts the footstock having non-magnet material and make, the water-cooling tube scribbling non-magnet material and two ends that non-magnetic safety cover is housed, and magnetic field environment is stablized, and disturbs little.
Therefore, the present invention has high frequency sound, flow is large, High power output, structure simple, strong interference immunity and feature for ease of maintenaince, has good market prospects.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the A-A direction view of Fig. 1;
Fig. 3 is the schematic shapes of water-cooling tube 3 in Fig. 1;
Fig. 4 is the schematic shapes of footstock 6 in Fig. 1.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described, the restriction not to its protection domain.
embodiment 1
A kind of differential type high-speed switch valve based on magnetic control memory alloy.As shown in Figure 1, described high-speed switch valve is made up of left drive unit (12), right drive unit (20) and oil route controller (17).Left drive unit (12) is fixed on the left side of oil route controller (17), and right drive unit (20) is fixed on the right side of oil route controller (17).The left end of the spool (15) in oil route controller (17) is connected with the left magnetic control memory alloy (5) of left drive unit (12), and the valve pocket axle (18) of the valve pocket (32) in oil route controller (17) is connected with the right magnetic control memory alloy (27) of right drive unit (20).
The structure of left drive unit (12) is as shown in Figure 1: left field core (8) is arranged between left first dunnage (4) and left second dunnage (10), and left first dunnage (4), left field core (8) and left second dunnage (10) are bolted on left support abutment (11).Left magnetic control memory alloy (5) is positioned at the center position place on left field core (8) breach limit, left magnetic control memory alloy (5) left end is contained in the blind hole of left footstock (6), and left footstock (6) is embedded in the blind hole of left first dunnage (4).Left first field coil (2) is wrapped in a limit adjacent with breach limit of left field core (8), and left second field coil (9) is wrapped in another limit adjacent with breach limit of left field core (8).Two minor faces on left field core (8) breach limit are enclosed with left first water-cooling tube (3) and left second water-cooling tube (7) accordingly.Left support abutment (11) and a left side non-magnetic safety cover (1) are fixed on the left side of oil route controller (17), left magnetic control memory alloy (5) and oil route controller (17) coaxial line.
The structure of right drive unit (20) is as shown in Figure 1: right field core (24) is arranged between right first dunnage (28) and right second dunnage (22), and right first dunnage (28), right field core (24) and right second dunnage (22) are bolted on right support abutment (21).Right magnetic control memory alloy (27) is positioned at the center position place on right field core (24) breach limit, right magnetic control memory alloy (27) right-hand member is contained in the blind hole of right footstock (26), and right footstock (26) is embedded in the blind hole of right first dunnage (28).Right first field coil (30) is wrapped in a limit adjacent with breach limit of right field core (24), and right second field coil (23) is wrapped in another limit adjacent with breach limit of right field core (24).Two minor faces on right field core (24) breach limit are enclosed with right first water-cooling tube (29) and right second water-cooling tube (25) accordingly.Right support abutment (21) and the right side non-magnetic safety cover (31) are fixed on the right side of oil route controller (17), right magnetic control memory alloy (27) and oil route controller (17) coaxial line.
The structure of oil route controller (17) is as shown in Figure 1: left valve gap (13) is arranged on the left side of valve body (16), right valve gap (19) is arranged on the right side of valve body (16), and the center hole hole wall of left valve gap (13) and right valve gap (19) is all equipped with seal ring.The inside of valve body (16) is cylindrical cavity, and the left end near valve body (16) has and P
1the oil circuit that mouth communicates, the right-hand member near valve body (16) has and P
2another oil circuit that mouth communicates.
As shown in Figure 1, valve pocket (32) is arranged in valve body (16) actively, valve pocket (32) inside is cylindrical cavity, valve pocket (32) has valve pocket hydraulic fluid port, the P of the Distance geometry valve body (16) of center line outside valve pocket (32) right-hand member of valve pocket hydraulic fluid port
2mouth center line is equal to the distance of right valve gap (19) inner side, valve pocket hydraulic fluid port and P
2mouth communicates.The right-hand member of valve pocket (32) is closed, and be fixed with valve pocket axle (18) outside right-hand member concentrically, valve pocket axle (18) is connected with right magnetic control memory alloy (27) through right support abutment (21).The left end of valve pocket (32) is fixedly equipped with valve pocket end cap (34), and the center of valve pocket end cap (34) is provided with center hole.
As shown in Figure 1, keep right and be provided with circular cone in the middle part of spool (15), the small end face of circular cone is towards a left side.The coaxial heart of circular cone of spool (15) is arranged in valve pocket (32), the left end of spool (15) is connected with the right-hand member of left magnetic control memory alloy (5) with the center hole of left support abutment (11) through the center hole of left valve gap (13), the left end cover of spool (15) has the first returning spring (14), first returning spring (14) right-hand member contacts with valve pocket end cap (34), and the first returning spring (14) left end contacts with left valve gap (13).The right-hand member cover of spool (15) has the second returning spring (33), the left end of the second returning spring (33) contacts with the large end face of circular cone, and the right-hand member of the second returning spring (33) is fixed on the center position of valve pocket (32) right-hand member inwall.
As shown in Figure 2, described left field core (8) is square ring, and the middle position on a limit of square ring has breach.Left field core (8) is identical with right field core (24).
As shown in Figure 3, a described left side first water-cooling tube (3) is rectangular tube, and one end of rectangular tube is water intake, and the other end is water outlet, and the surface of rectangular tube scribbles NULL.Left first water-cooling tube (3) and left second water-cooling tube (7), right first water-cooling tube (29) are all identical with right second water-cooling tube (25).
As shown in Figure 4, described left footstock (6) is " T " font cylindrical body, the cylinder diameter on left footstock (6) left side is greater than the cylinder diameter on the right, the center of the right-hand member end face of left footstock (6) has blind hole, and the material of left footstock (6) is NULL.Left footstock (6) is identical with right footstock (26).
The left end of described spool (15) is connected with the left magnetic control memory alloy (5) of left drive unit (12) and refers to: the center of the left end end face of spool (15) has blind hole, and the right-hand member of left magnetic control memory alloy (5) is placed in the blind hole of the left end end face of spool (15).
Described valve pocket axle (18) is connected with the right magnetic control memory alloy (27) of right drive unit (20) and refers to: the center of the right-hand member end face of valve pocket axle (18) has blind hole, and the left end of right magnetic control memory alloy (27) is placed in the blind hole of the left end end face of spool (15).
The left magnetic control memory alloy (5) of this embodiment is positioned at the center position place on left field core (8) breach limit, left magnetic control memory alloy (5) left end is contained in the blind hole of left footstock (6), left magnetic control memory alloy (5) right-hand member is contained in the blind hole of spool (15) left end, left first field coil (2) is wrapped in a limit adjacent with breach limit of left field core (8), and left second field coil (9) is wrapped in another limit adjacent with breach limit of left field core (8).Right magnetic control memory alloy (27) is positioned at the center position place on right field core (24) breach limit, right magnetic control memory alloy (27) right-hand member is contained in the blind hole of right footstock (26), right magnetic control memory alloy (27) left end is contained in the blind hole of valve pocket (32) right-hand member, right first field coil (30) is wrapped in a limit adjacent with breach limit of right field core (24), and right second field coil (23) is wrapped in another limit adjacent with breach limit of right field core (24).
Left first field coil (2), left second field coil (9), right first field coil (30) and right second field coil (23) are when being energized, magnetic field is produced in left field core (8) and right field core (24), the magnetic direction of left field core (8) and right field core (24) indentation, there respectively with left magnetic control memory alloy (5), right magnetic control memory alloy (27) is vertical, make it extend, promote spool (15) to move right, valve pocket (32) is to left movement, circular cone on spool (15) leaves the center hole of valve pocket end cap (34), make P
1mouth and P
2two oil circuits of mouth are through, realize the unlatching of switch valve, left first field coil (2), left second field coil (9), right first field coil (30) and right second field coil (23) are when short electricity, left magnetic control memory alloy (5) and right magnetic control memory alloy (27) stop extending, first returning spring (35) promotes valve pocket and moves right, second returning spring (33) promotes spool (15) to left movement, circular cone on spool (15) covers the cylindrical breach on valve pocket end cap (34), makes P
1mouth and P
2two oil circuits of mouth disconnect, and realize the closed of switch valve.
Therefore, this embodiment compared with prior art tool have the following advantages:
1, this embodiment adopts unlatching that left magnetic control memory alloy (5) and right magnetic control memory alloy (27) are switch valve to provide the power of axial motion, because the output displacement of left magnetic control memory alloy and right magnetic control memory alloy is large, High power output, control accuracy is high, response time is less than 1ms, there is distortion large, High power output and the feature such as deformation response is fast, thus ensure that spool can react rapidly at work.
2, this embodiment utilizes unlatching that left magnetic control memory alloy (5) and right magnetic control memory alloy (27) are switch valve to provide the power of axial motion, there is no the equipment such as complicated motor, and switch valve structure on two sides is completely the same, so structure is simple, easy to operate, be easy to later period maintenance.
3, this embodiment is equipped with seal ring at the hole wall of left valve gap (13) and right valve gap (19), with the leakage preventing the gap of left valve gap (13) and right valve gap (19) and corresponding spool (15) and valve pocket axle (18) from causing, switch valve is made to have good sealing.
4, this embodiment adopts water-cooled form to be power system cooling, can effectively prevent left magnetic control memory alloy (5) and right magnetic control memory alloy (27) environment temperature too high, improve working effect.
5, this embodiment adopts the footstock having non-magnet material and make, the water-cooling tube scribbling non-magnet material and two ends that non-magnetic safety cover is housed, and magnetic field environment is stablized, and disturbs little.
Therefore, this embodiment has high frequency sound, flow is large, High power output, structure simple, strong interference immunity and feature for ease of maintenaince, has good market prospects.
Claims (6)
1., based on a differential type high-speed switch valve for magnetic control memory alloy, it is characterized in that described high-speed switch valve is made up of left drive unit (12), right drive unit (20) and oil route controller (17); Left drive unit (12) is fixed on the left side of oil route controller (17), and right drive unit (20) is fixed on the right side of oil route controller (17); The left end of the spool (15) in oil route controller (17) is connected with the left magnetic control memory alloy (5) of left drive unit (12), and the valve pocket axle (18) of the valve pocket (32) in oil route controller (17) is connected with the right magnetic control memory alloy (27) of right drive unit (20);
The structure of left drive unit (12) is: left field core (8) is arranged between left first dunnage (4) and left second dunnage (10), and left first dunnage (4), left field core (8) and left second dunnage (10) are bolted on left support abutment (11); Left magnetic control memory alloy (5) is positioned at the center position place on left field core (8) breach limit, left magnetic control memory alloy (5) left end is contained in the blind hole of left footstock (6), and left footstock (6) is embedded in the blind hole of left first dunnage (4); Left first field coil (2) is wrapped in a limit adjacent with breach limit of left field core (8), and left second field coil (9) is wrapped in another limit adjacent with breach limit of left field core (8); Two minor faces on left field core (8) breach limit are enclosed with left first water-cooling tube (3) and left second water-cooling tube (7) accordingly; Left support abutment (11) and a left side non-magnetic safety cover (1) are fixed on the left side of oil route controller (17), left magnetic control memory alloy (5) and oil route controller (17) coaxial line;
The structure of right drive unit (20) is: right field core (24) is arranged between right first dunnage (28) and right second dunnage (22), and right first dunnage (28), right field core (24) and right second dunnage (22) are bolted on right support abutment (21); Right magnetic control memory alloy (27) is positioned at the center position place on right field core (24) breach limit, right magnetic control memory alloy (27) right-hand member is contained in the blind hole of right footstock (26), and right footstock (26) is embedded in the blind hole of right first dunnage (28); Right first field coil (30) is wrapped in a limit adjacent with breach limit of right field core (24), and right second field coil (23) is wrapped in another limit adjacent with breach limit of right field core (24); Two minor faces on right field core (24) breach limit are enclosed with right first water-cooling tube (29) and right second water-cooling tube (25) accordingly; Right support abutment (21) and the right side non-magnetic safety cover (31) are fixed on the right side of oil route controller (17), right magnetic control memory alloy (27) and oil route controller (17) coaxial line;
The structure of oil route controller (17) is: left valve gap (13) is arranged on the left side of valve body (16), right valve gap (19) is arranged on the right side of valve body (16), and the center hole hole wall of left valve gap (13) and right valve gap (19) is all equipped with seal ring; The inside of valve body (16) is cylindrical cavity, and the left end near valve body (16) has and P
1the oil circuit that mouth communicates, the right-hand member near valve body (16) has and P
2another oil circuit that mouth communicates;
Valve pocket (32) is arranged in valve body (16) actively, valve pocket (32) inside is cylindrical cavity, valve pocket (32) has valve pocket hydraulic fluid port, the P of the Distance geometry valve body (16) of center line outside valve pocket (32) right-hand member of valve pocket hydraulic fluid port
2mouth center line is equal to the distance of right valve gap (19) inner side, valve pocket hydraulic fluid port and P
2mouth communicates; The right-hand member of valve pocket (32) is closed, and be fixed with valve pocket axle (18) outside right-hand member concentrically, valve pocket axle (18) is connected with right magnetic control memory alloy (27) through right support abutment (21); The left end of valve pocket (32) is fixedly equipped with valve pocket end cap (34), and the center of valve pocket end cap (34) is provided with center hole;
Keep right and be provided with circular cone in the middle part of spool (15), the small end face of circular cone is towards a left side; The coaxial heart of circular cone of spool (15) is arranged in valve pocket (32), the left end of spool (15) is connected with the right-hand member of left magnetic control memory alloy (5) with the center hole of left support abutment (11) through the center hole of left valve gap (13), the left end cover of spool (15) has the first returning spring (14), first returning spring (14) right-hand member contacts with valve pocket end cap (34), and the first returning spring (14) left end contacts with left valve gap (13); The right-hand member cover of spool (15) has the second returning spring (33), the left end of the second returning spring (33) contacts with the large end face of circular cone, and the right-hand member of the second returning spring (33) is fixed on the center position of valve pocket (32) right-hand member inwall.
2. the differential type high-speed switch valve based on magnetic control memory alloy according to claim 1, it is characterized in that described left field core (8) is square ring, the middle position on a limit of square ring has breach; Left field core (8) is identical with right field core (24).
3. the differential type high-speed switch valve based on magnetic control memory alloy according to claim 1, it is characterized in that a described left side first water-cooling tube (3) is rectangular tube, one end of rectangular tube is water intake, and the other end is water outlet, and the surface of rectangular tube scribbles NULL; Left first water-cooling tube (3) and left second water-cooling tube (7), right first water-cooling tube (29) are all identical with right second water-cooling tube (25).
4. the differential type high-speed switch valve based on magnetic control memory alloy according to claim 1, it is characterized in that described left footstock (6) is " T " font cylindrical body, the cylinder diameter on left footstock (6) left side is greater than the cylinder diameter on the right, the center of the right-hand member end face of left footstock (6) has blind hole, and the material of left footstock (6) is NULL; Left footstock (6) is identical with right footstock (26).
5. the differential type high-speed switch valve based on magnetic control memory alloy according to claim 1, it is characterized in that the left end of described spool (15) is connected with the left magnetic control memory alloy (5) of left drive unit (12) to refer to: the center of the left end end face of spool (15) has blind hole, and the right-hand member of left magnetic control memory alloy (5) is placed in the blind hole of the left end end face of spool (15).
6. the differential type high-speed switch valve based on magnetic control memory alloy according to claim 1, it is characterized in that described valve pocket axle (18) is connected with the right magnetic control memory alloy (27) of right drive unit (20) to refer to: the center of the right-hand member end face of valve pocket axle (18) has blind hole, and the left end of right magnetic control memory alloy (27) is placed in the blind hole of the left end end face of spool (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310635743.1A CN103603989B (en) | 2013-12-03 | 2013-12-03 | A kind of differential type high-speed switch valve based on magnetic control memory alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310635743.1A CN103603989B (en) | 2013-12-03 | 2013-12-03 | A kind of differential type high-speed switch valve based on magnetic control memory alloy |
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| CN114321440B (en) * | 2021-12-30 | 2024-03-15 | 中航工业南京伺服控制系统有限公司 | Intelligent material driven differential redundancy servo valve and working method thereof |
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|---|---|---|---|---|
| CN2658493Y (en) * | 2003-11-17 | 2004-11-24 | 石延平 | Electrohydaulic high-speed open-close valve |
| CN201547282U (en) * | 2009-10-19 | 2010-08-11 | 中国航天科技集团公司烽火机械厂 | Digital response switch valve |
| CN203162220U (en) * | 2012-12-05 | 2013-08-28 | 昆明理工大学 | Asymmetrical water base hydraulic electrostriction-type high-speed switch valve |
| CN203571182U (en) * | 2013-12-03 | 2014-04-30 | 武汉科技大学 | Differential type high-flow-rate high-speed switch valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2008157352A (en) * | 2006-12-22 | 2008-07-10 | Smc Corp | Solenoid valve |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2658493Y (en) * | 2003-11-17 | 2004-11-24 | 石延平 | Electrohydaulic high-speed open-close valve |
| CN201547282U (en) * | 2009-10-19 | 2010-08-11 | 中国航天科技集团公司烽火机械厂 | Digital response switch valve |
| CN203162220U (en) * | 2012-12-05 | 2013-08-28 | 昆明理工大学 | Asymmetrical water base hydraulic electrostriction-type high-speed switch valve |
| CN203571182U (en) * | 2013-12-03 | 2014-04-30 | 武汉科技大学 | Differential type high-flow-rate high-speed switch valve |
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