CN108413106A - A kind of proportion magnetic valve that tiny flow quantity accurately controls - Google Patents
A kind of proportion magnetic valve that tiny flow quantity accurately controls Download PDFInfo
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- CN108413106A CN108413106A CN201810216360.3A CN201810216360A CN108413106A CN 108413106 A CN108413106 A CN 108413106A CN 201810216360 A CN201810216360 A CN 201810216360A CN 108413106 A CN108413106 A CN 108413106A
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- valve
- armature
- component
- valve body
- proportion magnetic
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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
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a kind of proportion magnetic valves that tiny flow quantity accurately controls, including：Inlet attack, valve body coil block, outer magnetizer, armature component, valve component, outlet connection, the first shell and second housing；Wherein, the first shell is connected with second housing；Valve body coil block, outer magnetizer and armature component may be contained in the inner space that the first shell and second housing are formed, and valve body coil block is connected with armature component；Outer magnetizer is sheathed on the outside of valve body coil block；Inlet attack is connected with valve body coil block；The end face of outlet connection is mutually crimped with armature component, and the side wall of the outlet connection is connected with the second housing；The valve component is set in the outlet connection, and one end of the armature component is embedded in the valve component.The present invention can realize high-precision pressure and flow continuous output controlling function, and the reliably working of electric propulsion system can be effectively ensured.
Description
Technical field
The invention belongs to the ratios that spacecraft space fluid management technology field more particularly to a kind of tiny flow quantity accurately control
Example solenoid valve.
Background technology
A new generation of China DFH-5 satellite platforms require electric propulsion system work in a manner of the multi-mode of variable power and thrust
Make, complete the Orbit Transformation of satellite, enter the orbit and in-orbit position keep and momenttum wheel unloading etc. tasks.To realize electric propulsion
System is worked in a manner of multi-mode, and storage must be able to provide variable and controllable precise small xenon stream for thruster for subsystem
Amount.
Conventional machinery decompression throttle style cannot in-orbit variable-flow demand, and use and be with high speed on-off type solenoid valve
The bang-bang electron pressure negative feedback control policy controls of core are in large and small flow handoff procedure, system response time
Slowly, in addition to causing additional xenon wage to waste, the working performance of electric thruster is also influenced.
Invention content
Present invention solves the technical problem that being：A kind of tiny flow quantity has been overcome the deficiencies of the prior art and provide to accurately control
Proportion magnetic valve, can realize the ability that continuously adjusts of output flow, and can realize that high-precision pressure and flow are continuous
The reliably working of electric propulsion system can be effectively ensured in output control function.
The object of the invention is achieved by the following technical programs：A kind of proportion magnetic valve that tiny flow quantity accurately controls,
Including：Inlet attack, valve body-coil block, outer magnetizer, armature component, valve component, outlet connection, the first shell and
Two shells；Wherein, first shell is connected with the second housing；Valve body-the coil block, the outer magnetizer and
The armature component may be contained in the inner space that first shell and the second housing are formed, and the valve body-
Coil block is connected with the armature component；The outer magnetizer is sheathed on the outside of the valve body-coil block；It is described enter
Mouth connector is connected with the valve body-coil block；The end face of the outlet connection is mutually crimped with the armature component, described
The side wall of outlet connection is connected with the second housing；The valve component is set in the outlet connection, the armature
One end of component is embedded in the valve component.
In the proportion magnetic valve that above-mentioned tiny flow quantity accurately controls, the valve body-coil block includes valve body, coil and bullet
Spring；Wherein, the coil is set around the valve body；The spring pocket is set to the valve body and one end face pressure with the coil
It connects.
In the proportion magnetic valve that above-mentioned tiny flow quantity accurately controls, the armature component includes armature and support spring group
Part；Wherein, the support spring assembly set is set to the armature.
In the proportion magnetic valve that above-mentioned tiny flow quantity accurately controls, the support spring component include the first support spring,
Second support spring, outer gasket ring, interior gasket ring and pressure ring；Wherein, first support spring, second support spring, described
Outer gasket ring, the interior gasket ring and the pressure ring are sheathed on the armature；The outer gasket ring and the interior gasket ring may be contained within institute
State between the first support spring and second support spring, the outer gasket ring, the interior gasket ring, first support spring and
The center line of second support spring overlaps；The pressure ring is crimped with the outer surface of second support spring.
In the proportion magnetic valve that above-mentioned tiny flow quantity accurately controls, the armature is T-type needle valve structure.
In the proportion magnetic valve that above-mentioned tiny flow quantity accurately controls, the valve component include upper valve core shell, several
Disk spring, spool and bottom spool shell；Wherein, the upper valve core shell is connected with the bottom spool shell；If described
Dry disk spring and the spool may be contained in the inner space that the upper valve core shell and the bottom spool shell are formed,
Several described disk springs are mutually crimped with the spool.
In the proportion magnetic valve that above-mentioned tiny flow quantity accurately controls, the diameter of first shell and the second housing
Diameter is equal.
In the proportion magnetic valve that above-mentioned tiny flow quantity accurately controls, further include：Strainer；Wherein, the strainer is set to institute
It states in inlet attack.
In the proportion magnetic valve that above-mentioned tiny flow quantity accurately controls, the end cone angle alpha of the armature is 20 ° -45 °.
In the proportion magnetic valve that above-mentioned tiny flow quantity accurately controls, the spool is PCTFE or polyimide resin.
In the proportion magnetic valve that above-mentioned tiny flow quantity accurately controls, it is Φ D that the big cylinder of valve body, which is attracted basal diameter, and valve body is big
It is X that cylinder, which is attracted bottom surface depth,1, armature small column actuation end face diameter Φ d1, between armature component and valve body-coil block
Primary clearance is X0, the preloading sealing force of armature component is F0, the proportion adjustment ranging from x of solenoid valve, the support of armature component
Spring rate is k, and above-mentioned parameter is required to meet following constraints：
4mm<d1<16mm
25X1<d1<D
The present invention has the advantages that compared with prior art：
(1) present invention can realize high-precision pressure and flow continuous output controlling function by overall structure, can have
Effect ensures the reliably working of electric propulsion system；
(2) present invention divides magnetic magnetic circuit to be laid out by special step type, in conjunction with rational magnetic circuit parameters and mechanical parameter
Match, has achieved the effect that valve armature displacement output and current/voltage are in approximate ratio relationship, it is defeated to realize valve
Outflow is in continuous ratio linear relationship with input current, you can to realize the step-less adjustment ability of flow output；
(3) present invention is eliminated by using dual-gripper reed unilateral side suspended flexible support construction (i.e. support spring component)
There may be nonlinear mechanics disturbing factor during armature motion, has reached the smooth output effect of output quantity, in combination with
The output resolution ratio of valve is improved 5 times or more by needle valve structure relatively, and rational half-angle control, completely eliminates needle in addition
Valve locking phenomenon and the excessively high phenomenon of startup point, and then the low power dissipation design of product is realized, improve the continuous long-term of product
The reliability of work；
(4) present invention is by using the back-to-back loaded in series structure of disk spring, while realizing that core assembly is confined,
Reduce the stress level of spring element and eliminate nonmetallic materials for a long time under compared with big load continuous action occur creep make
At the risk that load drastically reduces the reliability sealing of component, pole are realized in combination with rational valve seat bottom surface ramp structure
Big degree reduces latent leakage channel failure probability；In addition rolling closing-in structure used by the relatively conventional valve of the structure or
Hot pressing structure, way of realization is simple, and cost is lower.
Description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit are common for this field
Technical staff will become clear.Attached drawing only for the purpose of illustrating preferred embodiments, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings：
Fig. 1 is the structural schematic diagram for the proportion magnetic valve that tiny flow quantity provided in an embodiment of the present invention accurately controls；
Fig. 2 is the structural schematic diagram of armature component provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of valve component provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of armature provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of interior gasket ring provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of outer gasket ring provided in an embodiment of the present invention；
Fig. 7 is the structural schematic diagram of support spring provided in an embodiment of the present invention；
Fig. 8 is the structural schematic diagram of pressure ring provided in an embodiment of the present invention；
Fig. 9 is the schematic diagram that valve component provided in an embodiment of the present invention is connect with outlet connection.
Specific implementation mode
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Completely it is communicated to those skilled in the art.It should be noted that in the absence of conflict, embodiment in the present invention and
Feature in embodiment can be combined with each other.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Fig. 1 is the structural schematic diagram for the proportion magnetic valve that tiny flow quantity provided in an embodiment of the present invention accurately controls.Such as Fig. 1
Shown, the proportion magnetic valve which accurately controls includes：Inlet attack 1, valve body-coil block, outer magnetizer 2, rank
Iron component, valve component, outlet connection 3, the first shell 41 and second housing 42；Wherein, the first shell 41 and second housing 42
It is connected；Valve body-coil block, outer magnetizer 2 and armature component may be contained within what the first shell 41 and second housing 42 were formed
In inner space, and valve body-coil block is connected with the armature component；Outer magnetizer 2 is sheathed on valve body-coil block
Outside；Inlet attack 1 is connected with valve body-coil block；The end face of outlet connection 3 is mutually crimped with armature component, outlet
The side wall of connector 3 is connected with second housing 42；Valve component is set in outlet connection 3, and one end of armature component is embedded at
In valve component.
In the central axes of inlet attack 1, the central axes of valve body-coil block, the central axes of armature component, valve component
Axis, the central axes of outlet connection 3, the central axes of the first shell 41 and second housing 42 central axes overlap.First shell
The diameter of 41 diameters and second housing 42 is equal.
As shown in Figure 1, valve body-coil block includes valve body 5, coil 6 and spring 7；Wherein, the coil 6 is set around valve
Body 5；Spring 7 is sheathed on valve body 5 and is crimped with the end face of coil 6.
Fig. 2 is the structural schematic diagram of armature component provided in an embodiment of the present invention.As shown in Fig. 2, the armature component includes
Armature 8 and support spring component；Wherein, support spring assembly set is set to armature 8.
Support spring component includes the first support spring 91, the second support spring 92, outer gasket ring 93, interior gasket ring 94 and pressure ring
95；Wherein, the first support spring 91, the second support spring 92, outer gasket ring 93, interior gasket ring 94 and pressure ring 95 are sheathed on armature 8；
Outer gasket ring 93 and interior gasket ring 94 may be contained between the first support spring 91 and the second support spring 92, outer gasket ring 93, interior gasket ring
94, the center line of the first support spring 91 and the second support spring 92 overlaps；The outer surface of pressure ring 95 and the second support spring 92
Crimping.
As shown in Fig. 2, armature 8 is T-type needle valve structure.The end cone angle alpha of armature 8 is 20 ° -45 °.
Fig. 3 is the structural schematic diagram of valve component provided in an embodiment of the present invention.As shown in figure 3, the valve component includes
Upper valve core shell 110, several disk springs 120, spool 130 and bottom spool shell 140；Wherein, 110 He of upper valve core shell
Bottom spool shell 140 is connected；Several disk springs 120 and spool 130 may be contained within upper valve core shell 110 and lower valve core shell
In the inner space that body 140 is formed, several disk springs 120 are crimped with 130 phase of spool.
As shown in Figure 1, the proportion magnetic valve that the tiny flow quantity accurately controls further includes：Strainer 10；Wherein, strainer 10 is arranged
In in inlet attack 1.
As shown in Figure 1, in proportion magnetic valve structure by inlet attack, valve body-coil block, outer magnetizer, armature component,
Valve component, outlet connection, the first shell and second housing composition, the wherein composition form of valve body-coil block are enameled wire
It is directly wound in metal valve body, outer magnetizer is sleeved on the outside of valve body coil block, and inlet attack is being illustrated with valve component
It is attached using electron beam welding at a of position；Armature component is put into as shown in Figure 1 inside valve body-coil block, then will outlet
Connector is sequentially placed into the right side that support spring component in armature component is pushed down inside valve body-coil block, by armature group
The left side of support spring component uses the size X described in adjust pad adjustment originally in part0, after adjustment is qualified, by outlet connection
Electron beam welding is carried out in the positions diagram b with valve body-coil block, in addition characteristic size the Φ D and X in valve body-coil block1
It is shaped using mechanical processing mode, D and X0It must satisfy 4 inequality of this paper institutes art.
The armature component of proportion magnetic valve is as shown in Figure 2 by armature (as shown in Figure 4), the first support spring, the second support
Spring, interior gasket ring (as shown in Figure 5), outer gasket ring (as shown in Figure 6) and pressure ring composition (as shown in Figure 8).The wherein armature of Fig. 4
For T-type needle valve structure, characteristic size is Φ d1 and α；Interior gasket ring, outer gasket ring and pressure ring are concentric structure, wherein inside and outside
The necessary equal thickness of gasket ring, support spring are 3 arm spring of sheet, and gap pattern is 3 uniformly distributed vortex-like lines.The implementation of armature component
After first support spring, interior gasket ring, outer gasket ring is are packed by mode along the faces A of armature shown in Fig. 4 successively, then it is sequentially loaded into first
Support spring and pressure ring are fixed at c shown in Fig. 2 using electron beam welding after being clamped using Special clamping tooling.First
The structure for supportting spring and the second support spring is identical, as shown in Figure 7.
Valve component as shown in figure 3, be made of upper valve core shell, 3 disk springs, spool and bottom spool shell,
The characteristic size of middle bottom spool shell is angle b, and the characteristic size of spool is aperture Φ d2, and valve core material selects dimensional stability
Preferable PCTFE or polyimide resin, specific implementation mode are put into spool in the inner cavity of bottom spool shell, 3 dish
Shape spring is used and is sequentially placed into back-to-back fashion in upper valve core shell, then using spool outer circle as guide surface, fit on valve core shell
Body, makes disk spring compress spool, and the last positions d shown in Fig. 3 are fixed using electron beam welding.
As shown in figure 9, after valve component is transferred to outlet connection inner cavity, fixed using electron beam welding at shown position e.
Armature component is fully located at outside the solenoid that valve body-coil block is formed, the actuation face of valve body-coil block
(basal diameter Φ D are attracted with the big cylinder of valve body and big cylinder is attracted bottom surface depth X1Characterization) with the actuation face of armature component (with
Armature small column is attracted end face diameter Φ d1Characterization) formed step type divide magnetic magnetic structure, as shown in Figure 1, its magnetic flux path packet
2 two parts of Φ 1 and Φ are included, the primary clearance between armature component and valve body-coil block is X0(unit：Mm), ratio is defined
The proportion adjustment of solenoid valve ranging from x (units：Mm), the preloading sealing force of armature component is F0(unit：N), armature component
Support spring rigidity be k (units：N/mm), these parameter requests meet following constraints：
4mm<d1<16mm
25X1<d1<D
When given proportion magnetic valve is more than the electric current I of certain amplitude0When, magnetic structure design parameter shown in Fig. 1 is about
Under beam, electromagnetic force that magnet exciting coil generates will overcome the counter spring force and medium power of armature component, and armature component is towards valve body-line
The actuation face direction of circle moves, and the displacement h and input current I of movement are in linear approximate relationship.
To promote the resolution ratio and stability of proportion magnetic valve output quantity, the needle valve type armature structure such as Fig. 2 is devised, is adopted
It is supported with dual-gripper reed unilateral side suspended flexible, to prevent proportion magnetic valve startup point excessively high, needle-valve is required in the present embodiment
Cone angle range meets 20 °<α<45°
The valve component structure of the present embodiment proportion magnetic valve as shown in figure 3, by upper and lower spool housing, disk spring and
Spool forms, and for spool under the preload force effect of one group of disk spring, the above bottom spool shell is that restrained boundary welds at diagram 4
It connects, connects back-to-back on disk-shape spring structure in the structure in succession, quantity 3-5 pieces, the floor design of bottom spool enclosure interior is
Inclined-plane, the value range of angle b require to be 7 ° -15 °, roughness requirements Ra0.2-Ra0.8, the diameter value model of spool endoporus
It encloses for 0.25mm<d2<1mm。
The present embodiment makes the input current of its output flow and proportion magnetic valve control signal be in linear approximate relationship, you can
Ability is continuously adjusted with realize output flow.If working in an open-loop manner, it is in-orbit can be under the control action of telecommand
Export the arbitrary flow needed for electric propulsion system；If being with pressure sensor or flow sensor composition close loop negative feedback control
System, then may be implemented high-precision pressure and flow continuous output controlling function, the reliable work of electric propulsion system can be effectively ensured
Make.
The proportion magnetic valve structure that the present embodiment proposes passes in electric propulsion is store for system with pressure sensor or flow
Sensor forms close loop negative feedback control system, then high-precision pressure and flow continuous output controlling function may be implemented, can be with
The control accuracy for reaching ± 1%, when multi-mode operating mode switches, system response time, faster stability and robustness higher pushed away
Into agent utilization ratio higher, working reliably and with long-term for electric propulsion system can be effectively ensured in the slow-witted heavy smaller of end of lifetime.In addition,
Electric propulsion storage uses proportional control valve for system, and system can be made to realize using a component in fact while realizing traditional electric propulsion system
The pressure of system controls and flow regulating function, or even can also realize the cutoff function of system, can be in the knot for significantly simplifying system
The reliability of lifting system while structure layout, the dry weight and volume of reduction system.In addition to this, which is also suitably adapted for sky
Between electric propulsion system have the field that fluid media (medium) tiny flow quantity accurately controls with other.
Embodiment described above is the present invention more preferably specific implementation mode, and those skilled in the art is in this hair
The usual variations and alternatives carried out in bright technical proposal scope should be all included within the scope of the present invention.
Claims (10)
1. a kind of proportion magnetic valve that tiny flow quantity accurately controls, it is characterised in that including：Inlet attack (1), valve body-coil group
Part, outer magnetizer (2), armature component, valve component, outlet connection (3), the first shell (41) and second housing (42)；Wherein,
First shell (41) is connected with the second housing (42)；
Valve body-the coil block, the outer magnetizer (2) and the armature component may be contained within first shell (41) and
In the inner space that the second housing (42) is formed, and the valve body-coil block is connected with the armature component；
The outer magnetizer (2) is sheathed on the outside of the valve body-coil block；
The inlet attack (1) is connected with the valve body-coil block；
The end face of the outlet connection (3) is mutually crimped with the armature component, the side wall of the outlet connection (3) and described the
Two shells (42) are connected；
The valve component is set in the outlet connection (3), and one end of the armature component is embedded at the valve component
It is interior.
2. the proportion magnetic valve that tiny flow quantity according to claim 1 accurately controls, it is characterised in that：Valve body-the line
Coil assembly includes valve body (5), coil (6) and spring (7)；Wherein,
The coil (6) is set around the valve body (5)；
The spring (7) is sheathed on the valve body (5) and is crimped with the end face of the coil (6).
3. the proportion magnetic valve that tiny flow quantity according to claim 2 accurately controls, it is characterised in that：The armature component
Including armature (8) and support spring component；Wherein, the support spring assembly set is set to the armature (8).
4. the proportion magnetic valve that tiny flow quantity according to claim 3 accurately controls, it is characterised in that：The support spring
Component includes the first support spring (91), the second support spring (92), outer gasket ring (93), interior gasket ring (94) and pressure ring (95)；Its
In,
First support spring (91), second support spring (92), the outer gasket ring (93), the interior gasket ring (94) and
The pressure ring (95) is sheathed on the armature (8)；
The outer gasket ring (93) and the interior gasket ring (94) may be contained within first support spring (91) and second support
Between spring (92), the outer gasket ring (93), the interior gasket ring (94), first support spring (91) and second support
The center line of spring (92) overlaps；
The pressure ring (95) crimps with the outer surface of second support spring (92).
5. the proportion magnetic valve that tiny flow quantity according to claim 3 accurately controls, it is characterised in that：The armature (8)
For T-type needle valve structure.
6. the proportion magnetic valve that tiny flow quantity according to claim 1 accurately controls, it is characterised in that：The valve component
Including upper valve core shell (110), several disk springs (120), spool (130) and bottom spool shell (140)；Wherein,
The upper valve core shell (110) is connected with the bottom spool shell (140)；
Several described disk springs (120) and the spool (130) may be contained within the upper valve core shell (110) and it is described under
In the inner space that spool housing (140) is formed, several described disk springs (120) are mutually crimped with the spool (130).
7. the proportion magnetic valve that tiny flow quantity according to claim 1 accurately controls, it is characterised in that：First shell
(41) diameter of diameter and the second housing (42) is equal.
8. the proportion magnetic valve that tiny flow quantity according to claim 1 accurately controls, which is characterized in that further include：Strainer
(10)；Wherein, the strainer (10) is set in the inlet attack (1).
9. the proportion magnetic valve that tiny flow quantity according to claim 5 accurately controls, it is characterised in that：The armature (8)
End cone angle alpha be 20 ° -45 °.
10. the proportion magnetic valve that tiny flow quantity according to claim 3 accurately controls, it is characterised in that：The big cylinder of valve body
Actuation basal diameter is Φ D, and it is X that the big cylinder of valve body, which is attracted bottom surface depth,1, armature small column actuation end face diameter Φ d1, armature group
Primary clearance between part and valve body-coil block is X0, the preloading sealing force of armature component is F0, the ratio of proportion magnetic valve
Example adjustable range is x, and the support spring rigidity of armature component is k, and above-mentioned parameter is required to meet following constraints：
4mm<d1<16mm
25X1<d1<D
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810216360.3A CN108413106B (en) | 2018-03-16 | 2018-03-16 | Proportional solenoid valve capable of accurately controlling micro flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810216360.3A CN108413106B (en) | 2018-03-16 | 2018-03-16 | Proportional solenoid valve capable of accurately controlling micro flow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108413106A true CN108413106A (en) | 2018-08-17 |
| CN108413106B CN108413106B (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810216360.3A Active CN108413106B (en) | 2018-03-16 | 2018-03-16 | Proportional solenoid valve capable of accurately controlling micro flow |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259954A (en) * | 2019-06-14 | 2019-09-20 | 西安航天动力研究所 | Integrated direct-acting electromagnetic valve |
| CN113090804A (en) * | 2021-03-30 | 2021-07-09 | 上海空间推进研究所 | High-reliability magnetic lock type self-locking valve device |
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| EP2418408A1 (en) * | 2010-08-12 | 2012-02-15 | Honeywell Technologies Sarl | Regulation valve |
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| CN106763991A (en) * | 2016-11-22 | 2017-05-31 | 上海空间推进研究所 | A kind of minisize electromagnetic proportional directional valve |
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| JP2003164052A (en) * | 2001-11-29 | 2003-06-06 | Mitsubishi Electric Corp | Submarine device and turn prevention mechanism of internal unit thereof |
| CN102116389A (en) * | 2009-12-30 | 2011-07-06 | 北京控制工程研究所 | Monopropellant thruster electromagnetic valve |
| EP2418408A1 (en) * | 2010-08-12 | 2012-02-15 | Honeywell Technologies Sarl | Regulation valve |
| CN102506219A (en) * | 2011-12-08 | 2012-06-20 | 北京控制工程研究所 | Permanent magnetic valve with characteristic of fast response |
| CN106763991A (en) * | 2016-11-22 | 2017-05-31 | 上海空间推进研究所 | A kind of minisize electromagnetic proportional directional valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259954A (en) * | 2019-06-14 | 2019-09-20 | 西安航天动力研究所 | Integrated direct-acting electromagnetic valve |
| CN113090804A (en) * | 2021-03-30 | 2021-07-09 | 上海空间推进研究所 | High-reliability magnetic lock type self-locking valve device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108413106B (en) | 2019-12-20 |
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