CN103375453B - A kind of lightweight fast-response solenoid valve - Google Patents
A kind of lightweight fast-response solenoid valve Download PDFInfo
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- CN103375453B CN103375453B CN201310291632.3A CN201310291632A CN103375453B CN 103375453 B CN103375453 B CN 103375453B CN 201310291632 A CN201310291632 A CN 201310291632A CN 103375453 B CN103375453 B CN 103375453B
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- spool
- solenoid valve
- black box
- coil
- valve seat
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- 230000004044 response Effects 0.000 title claims abstract description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 229910052742 iron Inorganic materials 0.000 claims abstract description 17
- 239000011159 matrix material Substances 0.000 claims abstract description 13
- 230000005389 magnetism Effects 0.000 claims abstract description 6
- 238000004804 winding Methods 0.000 claims description 13
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 9
- 238000002955 isolation Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- WFPZPJSADLPSON-UHFFFAOYSA-N dinitrogen tetraoxide Chemical compound [O-][N+](=O)[N+]([O-])=O WFPZPJSADLPSON-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000002153 concerted effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The present invention relates to a kind of lightweight fast-response solenoid valve, comprise coil block, valve seat matrix, spool, spring and control circuit, the inlet channel of valve seat matrix is communicated with annular collecting tank, outlet passage upper-end surface and annular collecting tank intersection arrange valve seat, the center of spool is provided with step hole, the lower end surface of spool is provided with first black box, coil block comprises buting iron, magnetism resistent ring, lower end, coil, shell and balancing pole, in the step hole that the other end of balance stretches into spool and circular gap coordinate, second black box is provided with in cooperation place, the sealing area of second black box is equal with the sealing area of first black box, the lower end surface of balancing pole and the step hole of spool form spring chamber, spring is positioned at spring chamber.The present invention solves existing solenoid valve cannot meet the demand of particular system to lightweight miniaturization control valve, the invention provides a kind of lightweight, miniaturization, fast-response, low-power consumption electromagnetic valve.
Description
Technical field
The present invention relates to a kind of solenoid valve, can be used as the control valve of various hydraulic pressure, pneumatic system.
Background technique
Solenoid valve is used for various hydraulic pressure, pneumatic system, comprises the startup of control system, shutdown and Flow-rate adjustment etc. as its effect of control unit.At space flight, aviation field, in the propulsion system as vehicle, aircraft and astrovehicle, due to the restriction of mobility and useful load, high requirement is proposed to the speed of response of solenoid valve, structure weight and consumed energy.Miniaturization, fast-response, low power consumption become the trend of space flight, electromagnetism valve for aviation development.DC solenidal formula solenoid valve because of its structure simple, functional reliability is high, in space flight, the extensive use of aeropropulsion system control field.Traditional DC solenidal formula solenoid valve starts the size that necessary electromagnetic force depends on inlet pressure and exit seal area, wherein a parameter increase will cause starting and must increase by electromagnetic attraction thereupon, thus the structure that must strengthen electromagnet could meet the requirement that suction increases.For solving the problem that electromagnetic valve structure increases with inlet pressure and exit seal area, the present invention proposes a kind of DC solenidal formula electromagnetic valve structure that can reduce or eliminate inlet pressure and exit seal area effect, the structure weight of solenoid valve is not increased or slightly increases just to adapt to higher working pressure and larger outlet latus rectum.
Summary of the invention
The technical problem to be solved in the present invention is: existing solenoid valve improves its inlet pressure or diameter of increasing export all will make its structure weight significantly increase thereupon, the demand of particular system to lightweight miniaturization control valve cannot be met, the invention provides a kind of lightweight, miniaturization, fast-response, low-power consumption electromagnetic valve.
Technical solution of the present invention is:
A kind of lightweight fast-response solenoid valve, its special way is:
Comprise coil block 1, valve seat matrix 2, spool 3, spring 4 and control circuit 5,
Described valve seat matrix comprises pedestal 21, the outlet passage 22 be arranged on pedestal, inlet channel 24, the annular collecting tank 23 be axially disposed within the outlet passage 22 of pedestal 21, described inlet channel 24 is communicated with annular collecting tank 23, described outlet passage 22 upper-end surface and annular collecting tank 23 intersection arrange valve seat 25
The center of described spool 3 is provided with step hole 31, and the small end 312 of described step hole is communicated with outlet passage 22, is provided with first black box 61 between the valve seat 25 of outlet passage 22 upper-end surface on the lower end surface of described spool 3 and valve seat matrix 2,
Described coil block comprises buting iron 11, magnetism resistent ring 12, lower end 13, coil, shell 15 and balancing pole 16, the center of described buting iron 11 is provided with mounting hole, one end of described balancing pole 16 to be stretched in mounting hole and is fixedly connected with buting iron 11, in the large end 311 that the other end of described balancing pole 16 stretches into the step hole of spool 3 and circular gap coordinate, second black box 62 is provided with in cooperation place, the sealing area of described second black box is equal with the sealing area of first black box
The large end of the lower end surface of described balancing pole and the step hole of spool 3 forms spring chamber, and described spring 4 is positioned at spring chamber.
The isolation layer 143 that above-mentioned coil comprises main coil 141, acceleating winding 142 and is arranged between main coil 141 and acceleating winding 142.
Above-mentioned coil block 1 also comprises socket mounting hole 17 and is arranged on the socket 18 in socket mounting hole 17, and described socket mounting hole 17 is arranged on buting iron 11, and described control circuit is connected with coil 14 with by socket 18.
Above-mentioned control circuit is connected with the lower end contact pin of socket 18 and is positioned at socket mounting hole 17, and described coil is connected with socket 18 by control circuit 5.
The present invention compared with prior art tool has the following advantages:
1, traditional electromagnetic valve structure only has first black box 61, solenoid valve is opened in closing process, the active area of entrance medium in spool upper end is complete upper-end surface area, the active area of entrance medium in spool lower end surface is the difference of the sealing area of spool lower end surface area and first black box 61, the medium active force that spool is subject in the axial direction is uneven, the resultant direction produced is downward, size equals the product of medium pressure and first black box 61 sealing area, and this unbalanced force is the resistance of spool opening process; Therefore for conventional solenoid valve, along with the increase of entrance medium pressure and exit seal area, the resistance of spool opening process will increase thereupon, and volume and the weight that must increase electromagnetic structure make spool open to produce larger electromagnetic attraction.
The present invention is by the second black box 62 of the sealing area such as increase by place and first black box 61, solenoid valve is made to open in closing process, the medium active force acted on spool 3 remains balance, the frictional force of pressure and second black box 62 place that electromagnetic attraction only need overcome spring 4 can realize the unlatching of solenoid valve, therefore solenoid valve of the present invention electromagnet portion structure weight to inlet pressure and outlet diameter insensitive, even if under the service condition that inlet pressure or outlet diameter increase, the electromagnetic structure of solenoid valve of the present invention still can realize lightweight, miniaturization.
2, lightweight fast-response solenoid valve of the present invention, adds acceleating winding 142 and main coil 141 and adds control circuit 5 in coil 14; The switching being controlled two coils by control circuit 5 can realize opening fast and closedown of solenoid valve, and can reduce solenoid valve long time open time power consumption.
3, lightweight fast-response solenoid valve of the present invention, control circuit 5 is carried out miniaturization and is installed in the socket mounting hole 17 of coil block 1, coil 14 is connected with socket 18 by control circuit 5, realizes the simplification of electromagnetic valve controlling system.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of lightweight fast-response of the present invention solenoid valve;
Fig. 2 is the coil block schematic diagram of a kind of lightweight fast-response of the present invention solenoid valve;
Fig. 3 is the valve seat matrix schematic diagram of a kind of lightweight fast-response of the present invention solenoid valve;
Fig. 4 is the spool schematic diagram of a kind of lightweight fast-response of the present invention solenoid valve.
Embodiment
A kind of lightweight fast-response solenoid valve, comprises coil block 1, valve seat matrix 2, spool 3, spring 4 and control circuit 5.Wherein valve seat matrix comprises pedestal 21, the outlet passage 22 be arranged on pedestal, inlet channel 24, is arranged on the annular collecting tank 23 of pedestal 21 outlet passage 22 axis, and described inlet channel 24 is communicated with annular collecting tank 23.The center of spool 3 is provided with step hole 31, and the small end 312 of step hole is communicated with outlet passage 22, is provided with first black box 61 between the upper-end surface of the outlet passage 22 on the lower end surface of described spool 3 and valve seat matrix 2.Described coil block comprises buting iron 11, magnetism resistent ring 12, lower end 13, coil, shell 15 and balancing pole 16, the center of buting iron 11 is provided with mounting hole, one end of balancing pole 16 to be stretched in mounting hole and is fixedly connected with buting iron, hold 311 tops to form circular gap to coordinate, be provided with second black box 62 in cooperation place with large in the step hole 31 that the other end stretches into spool 3 center.The lower end surface of balancing pole 16 and spool 3 step hole 31 hold the bottom of 311 to form spring chamber greatly, and spring 4 is positioned at spring chamber.
Working principle of the present invention is: during solenoid valve no electric circuit, spool 3 is pressed on valve seat 25 and forms sealing by Compress Spring 4, medium collects in the chamber of collecting tank 23 and buting iron 11 lower end by inlet channel 24, the non-tight face of spool 3 has all acted on pressure medium P1, because first black box 61 is equal with second black box 62 sealing area, therefore the medium active force that is subject to of spool 3 upper and lower end face is equal, the medium power that spool 3 is subject to reaches balance in all directions, pressure only by spring 4 maintains first black box 61, make medium cannot flow to outlet passage 22.After solenoid valves, air gap 7 between buting iron 11 and spool 3 produces electromagnetic attraction, suction is greater than spring 4 pressure to be made spool 3 move upward to lift off a seat 25, fit with buting iron 11, open the first black box 61 between collecting tank 23 and outlet passage 22, medium flows into outlet passage 22 by solenoid valve.
Realization of the present invention is also:
The isolation layer 143 that coil comprises main coil 141, acceleating winding 142 and is arranged between main coil 141 and acceleating winding 142, acceleating winding 142 is equal with the magnetic potential of main coil 141, but the number of turn of coil 142 is much smaller than 141.Be energized first to when solenoid valve is opened acceleating winding 142, because coil 142 number of turn is few, inductance is little, make the electric current in Electromagnetic Valve Circuit be increased to the inrush current of solenoid valve fast, solenoid valve is opened rapidly; After solenoid valve is opened completely, connect main coil 141 and cut off acceleating winding 142 simultaneously, because the number of turn of main coil is many, resistance large, make loop current reduce reduction and the shortening of closed electromagnetic valve time of power consumption when opening when realizing long.
Realization of the present invention is also:
Control circuit 5 is connected with the lower end contact pin of socket 18 and is positioned at socket mounting hole 17, and coil is connected with socket 18 by control circuit 5.Break-make to acceleating winding 142 and main coil 141 and time-oriented sequential control is realized by control circuit 5.After solenoid valves, first electrical signal acts on control circuit 5, is completed first being energized to acceleating winding 142 by control circuit 5, and the acceleration realizing solenoid valve is opened; Certain hour (being greater than the time that solenoid valve is opened completely) disconnects acceleating winding 142 afterwards, switches to and is energized to main coil 141, continues to maintain in opening procedure to be energized to main coil 141 at solenoid valve, realize solenoid valve long time open time energy consumption reduce; After solenoid valve power-off, completed to main coil 141 power-off by control circuit 5, and increase dissipative cell in main coil 141 loop, the electric energy in main coil 141 loop is consumed fast, thus the acceleration realizing solenoid valve is closed.
Realization of the present invention is also:
First black box 61, second black box 62 are separately positioned on the upper/lower terminal of spool 3, for changing and controlling the area that pressure medium is born at spool about 3 two ends; Primary seal (first black box 61) is arranged on the lower end of spool 3, and sealing area equals valve seat 25 discharge area; Secondary sealing (i.e. second black box 62) is arranged on the cooperation place of spool 3 and balancing pole 16, if sealing area and primary seal case etc., then and the upper and lower complete equilibrium of the pressure medium that spool 3 can be made to be subject to; If sealing area and primary seal unequal, the then pressure medium partial equilibrium that is subject to of spool 3, the large one end of sealing area is pointed in the direction that suffered by spool 3, medium is made a concerted effort, and size equals the difference that medium pressure is multiplied by first black box 61 and second black box 62 sealing area; Under the prerequisite that outlet diameter is certain, by changing the diameter of balancing pole 16 and spool 3 center hole large end 311 cooperation place, the medium active force be subject to control spool 3 can be changed, therefore can need according to structure the size and the direction that adjust this power, when this power is zero, it is minimum that the structure weight of solenoid valve can design.First black box 61 and second black box 62 can for realizing any form of sealing.
Realization of the present invention is also:
The skeleton of coil block 1 is formed by three weld parts aft-loaded airfoil, and buting iron 11 and the lower end 13 at two ends are magnetically soft alloy, and middle magnetism resistent ring 12 is not magnetic conductive metal; Skeleton cylindrical respectively has a shoulder up and down, form ring groove shape window between two shoulders, coil 14 is around in window, is isolated by insulating material and each surface of window, shell 15 be enclosed within coil 14 outer and and between coil, isolation layer is set, the upper lower shoulder radial interference fit of shell 15 and skeleton; Frame center upper end is buting iron 11, and there is a chamber lower end, and upper-end surface, chamber is positioned at magnetism resistent ring 12 altitude range, and spool 3 is in chamber; Skeleton lower end is lower end, and lower end 13 lower end is cylinder thin walled structures, and Cylinder inner bore is coaxial and be greater than chamber with chamber, cylindrical outer wall welds one section of filter screen, the cylindrical wall in filter screen altitude range arranges radial direction through hole.
Embodiment 1:
The embodiment being applied to certain hydraulic control system is as follows:
Certain hydraulic control system have employed the fast-response solenoid valve of built-in chip formula drive circuit.According to designing requirement, system works medium is strong oxidizing property medium Green nitrogen tetroxide, and pressure medium is 2MPa, Systematical control voltage 28V, and flow is 30g/s.Test shows, when without additional control circuit, the opening time of solenoid valve is 5ms, shut-in time 2ms, flow resistance 0.2MPa when flow is 30g/s, the heavy 0.15kg of solenoid valve.
This valve carries out telecontrol by electrical signal, has the excellent properties such as small-sized, lightweight, good airproof performance, switching speed are fast, power consumption is low.The corrosion resistance of solenoid valve can be improved by choosing corrosion-resistant soft magnetic material, metal matrix material and nonmetal sealing material, thus solenoid valve can be applied to the control of Korrosionsmedium.
Those skilled in the art can carry out various supplement, improvement and replacing according to different designing requirements and design parameter when not departing from the structure that claim defines, and therefore, the present invention is widely.
Claims (4)
1. a lightweight fast-response solenoid valve, is characterized in that: comprise coil block (1), valve seat matrix (2), spool (3), spring (4) and control circuit (5),
Described valve seat matrix comprises pedestal (21), the outlet passage (22) be arranged on pedestal, inlet channel (24), the annular collecting tank (23) be axially disposed within the outlet passage (22) of pedestal (21), described inlet channel (24) is communicated with annular collecting tank (23), described outlet passage (22) upper-end surface and annular collecting tank (23) intersection arrange valve seat (25)
The center of described spool (3) is provided with step hole (31), the small end (312) of described step hole is communicated with outlet passage (22), first black box (61) is provided with between the valve seat (25) of outlet passage (22) upper-end surface on the lower end surface of described spool (3) and valve seat matrix (2)
Described coil block comprises buting iron (11), magnetism resistent ring (12), lower end (13), coil, shell (15) and balancing pole (16), the center of described buting iron (11) is provided with mounting hole, one end of described balancing pole (16) to be stretched in mounting hole and is fixedly connected with buting iron (11), in the large end (311) that the other end of described balancing pole (16) stretches into the step hole of spool (3) and circular gap coordinate, second black box (62) is provided with in cooperation place, the sealing area of described second black box is equal with the sealing area of first black box,
The large end of the step hole of the lower end surface of described balancing pole and spool (3) forms spring chamber, and described spring (4) is positioned at spring chamber.
2. lightweight fast-response solenoid valve according to claim 1, is characterized in that: the isolation layer (143) that described coil comprises main coil (141), acceleating winding (142) and is arranged between main coil (141) and acceleating winding (142).
3. lightweight fast-response solenoid valve according to claim 1, it is characterized in that: described coil block (1) also comprises socket mounting hole (17) and is arranged on the socket (18) in socket mounting hole (17), and described socket mounting hole (17) is arranged on buting iron (11).
4. lightweight fast-response solenoid valve according to claim 3, it is characterized in that: described control circuit is connected with the lower end contact pin of socket (18) and is positioned at socket mounting hole (17), described coil is connected with socket (18) by control circuit (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310291632.3A CN103375453B (en) | 2013-07-11 | 2013-07-11 | A kind of lightweight fast-response solenoid valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310291632.3A CN103375453B (en) | 2013-07-11 | 2013-07-11 | A kind of lightweight fast-response solenoid valve |
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| Publication Number | Publication Date |
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| CN103375453A CN103375453A (en) | 2013-10-30 |
| CN103375453B true CN103375453B (en) | 2016-03-02 |
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| CN201310291632.3A Expired - Fee Related CN103375453B (en) | 2013-07-11 | 2013-07-11 | A kind of lightweight fast-response solenoid valve |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042160B (en) * | 2015-08-11 | 2017-12-29 | 湖北三江航天红峰控制有限公司 | A kind of small magnetic valve thruster |
| CN105387261B (en) * | 2015-12-10 | 2018-06-26 | 西安航天动力研究所 | A kind of step direct-acting type electromagnetic activation valve of wide operating range |
| CN106439215A (en) * | 2016-11-02 | 2017-02-22 | 上海空间推进研究所 | Minitype high-temperature electromagnetic valve |
| CN108454888B (en) * | 2018-01-31 | 2021-02-19 | 倪惠芳 | Aerospace drive device auxiliary device |
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| JPS61226529A (en) * | 1985-04-01 | 1986-10-08 | Nippon Denso Co Ltd | Solenoid valve for controlling fluid |
| EP0322985A1 (en) * | 1987-12-29 | 1989-07-05 | Hitachi Construction Machinery Co., Ltd. | Solenoid operated valve apparatus |
| JPH07217760A (en) * | 1994-02-07 | 1995-08-15 | Noritz Corp | Valve control device |
| JPH09257147A (en) * | 1996-03-21 | 1997-09-30 | Fuji Koki:Kk | Motor operated valve |
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2013
- 2013-07-11 CN CN201310291632.3A patent/CN103375453B/en not_active Expired - Fee Related
Patent Citations (8)
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|---|---|---|---|---|
| JPS61226529A (en) * | 1985-04-01 | 1986-10-08 | Nippon Denso Co Ltd | Solenoid valve for controlling fluid |
| EP0322985A1 (en) * | 1987-12-29 | 1989-07-05 | Hitachi Construction Machinery Co., Ltd. | Solenoid operated valve apparatus |
| JPH07217760A (en) * | 1994-02-07 | 1995-08-15 | Noritz Corp | Valve control device |
| JPH09257147A (en) * | 1996-03-21 | 1997-09-30 | Fuji Koki:Kk | Motor operated valve |
| WO1999025595A1 (en) * | 1997-11-19 | 1999-05-27 | Continental Teves Ag & Co. Ohg | Solenoid valve |
| CN201116607Y (en) * | 2007-11-15 | 2008-09-17 | 罗福军 | Super-thin type piston solenoid valve with guide bar |
| CN101446244A (en) * | 2008-12-17 | 2009-06-03 | 中国航天科技集团公司第六研究院第十一研究所 | Single-valve core and double-channel solenoid valve |
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| Title |
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| 冷气推进器流场仿真和分析;王定军，宋会玲，刘伟;《火箭推进》;20100430;第36卷(第2期);第36-39页 * |
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