CN202228768U - Device for rapidly controlling valve displacement through electric signals - Google Patents
Device for rapidly controlling valve displacement through electric signals Download PDFInfo
- Publication number
- CN202228768U CN202228768U CN2011203441440U CN201120344144U CN202228768U CN 202228768 U CN202228768 U CN 202228768U CN 2011203441440 U CN2011203441440 U CN 2011203441440U CN 201120344144 U CN201120344144 U CN 201120344144U CN 202228768 U CN202228768 U CN 202228768U
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- armature
- conductive part
- valve
- magnetic conductive
- coil
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- Electrically Driven Valve-Operating Means (AREA)
Abstract
The utility model belongs to the field of electromechanical hydraulic design and relates to a device for rapidly and linearly controlling valve displacement through electric signals. The device for rapidly controlling the valve displacement through the electric signals comprises permanent magnets, a magnetic conductive part, an armature, a coil, a shell and a screw, wherein the permanent magnets (1) are symmetrically arranged at two sides of the magnetic conductive part (2); the magnetic conductive part (2) is fixed in the hollow shell (5) through the screw (6); an enclosed space is formed by the magnetic conductive part (2) and the shell (5); the coil (4) and the armature (3) are arranged in the enclosed space; the armature (3) penetrates through the center of the shell (5); and one end of the armature (3) stretches out of the shell (5) and is connected with an external valve. The device for rapidly controlling the valve displacement through the electric signals can be applied in fuel-control electrohydraulic servo systems and used for achieving the purpose of controlling fuel flow.
Description
Technical field
The utility model belongs to dynamo-electric hydraulic pressure design field, relates to the device of a kind of ability through electrical signal fast linear control valve or valve displacement amount.
Background technique
In fuel oil control electrohydraulic servo system, need the device of a kind of ability, and then reach the purpose of control fuel flow through electrical signal quick control valve or valve displacement amount.
Electrohydraulic servo system has the fast characteristics of the high response speed of control accuracy, and the critical component electrohydraulic control of existing system uses a little actuating motor to handle, and shortcoming is that the time constant of motor is bigger, can not satisfy the requirement of rapidity.
Summary of the invention
The objective of the invention is: a kind of ability is about to electrical signal conversion and becomes the mechanical motion of valve, thereby reach the purpose of controlling liquid flow through the device of electrical signal fast linear control valve or valve displacement amount.
The technological scheme that the present invention takes is: a kind of device through electrical signal quick control valve/valve displacement amount; Comprise permanent magnet (1), magnetic conductive part (2), armature (3), coil (4), housing (5); Magnetic conductive part (2) bilateral symmetry is equipped with permanent magnet (1), and magnetic conductive part (2) is fixed in the hollow casing (5) through screw (6), and magnetic conductive part (2) forms enclosed space with housing (5); Coil (4) and armature (3) wherein are installed; And armature (3) runs through from housing (5) center, and wherein an end stretches out from housing (5), links to each other with external valve or valve.
Further, above-mentioned permanent magnet (1) is a rare earth permanent-magnetic material.
Do not having under the situation of electrical signal, permanent magnet (1) produces intrinsic magnetic field, in magnetic conductive part (2), forms closed magnetic circuit; Exist under the situation of electrical signal, the electric current in the coil (4) can produce induction field rapidly, in magnetic conductive part (2), forms closed magnetic circuit.Under two kinds of magnetic field interactions, armature (3) will stressedly be subjected to displacement and promote valve or valve, and electric current is big or small linear in the size of its displacement amount and the coil (4).Because it is short that electric current is set up the time compole in magnetic field, and the inertia of armature (3) is very little, thereby have the characteristics of rapidity.
Beneficial effect of the present invention is: when electrical signal; This device ability quick acting; Mechanical structure is simply utilized restoring force and the principle work of electromagnetic force equilibrium under metal self micro-strain; Magnetic circuit and circuit design are simple, and reliability is high, can satisfy the rapidity and the linearity requirement of the motion of valve or valve.
Description of drawings
Fig. 1 is this apparatus structure and permanent magnet magnetic circuit schematic representation, wherein 1: permanent magnet, 2: magnetic conductive part, 5: housing;
Fig. 2 is Figure 1A-A direction sectional view, wherein, and 2: magnetic conductive part, 3: armature, 4: coil, 5: housing, 6: screw;
Fig. 3 is armature and shell position relation, linkage structure schematic representation, wherein, and 3: armature, 5: housing.
Embodiment
Below in conjunction with Figure of description the utility model is explained further details.See also Figure of description 1～3.
Fig. 1 is a kind of device overall structure schematic representation through electrical signal quick control valve/valve displacement amount, and Fig. 2 is Figure 1A-A generalized section, and Fig. 3 is for only comprising the schematic representation of armature and housing.
This device comprises permanent magnet 1, magnetic conductive part 2, armature 3 and coil 4; Magnetic conductive part 2 bilateral symmetry are equipped with permanent magnet 1, and in hollow casing 5, magnetic conductive part 2 forms enclosed space with housing 5 to magnetic conductive part 2 through screw; Coil 4 and armature 3 wherein are installed; And armature 3 runs through from housing 5 centers, and wherein an end stretches out from housing 5, links to each other with external valve or valve.Two bars that stretch out armature as shown in Figure 33 sides are fixed on the housing 5 through the mode of welding, and armature 3 is done small offset movement with the two bar central axis that armature 3 stretches out under the effect that receives electromagnetic force F like this.
For better implement the utility model, permanent magnet 1 adopts rare earth permanent-magnetic material in the present embodiment, and this material has the big characteristics of per unit volume magnetic energy product, thereby can produce bigger intrinsic magnetic field.Magnetic conductive part adopts high saturated magnetically soft alloy material, has the high characteristics of saturation magnetic induction.Satisfying electric current generation induction field in the intrinsic magnetic field that produces for permanent magnet and the coil provides the requirement of magnetic circuit jointly.Confirm the width of air gap in the magnetic circuit, calculate the size of electromagnetic force that different electric current produces.
A shown in Figure 1 is the magnetic circuit direction that electrical signal produces in the coil, and b is the magnetic circuit direction that permanent magnet produces, be easy to and can judge according to the direction in two kinds of magnetic fields, and the direction of armature 3 stressed F, the size of F is directly proportional with the size of electrical signal in the coil.
Do not having under the situation of electrical signal, permanent magnet produces intrinsic magnetic field, in magnetic conductive part 2, forms closed magnetic circuit; Exist under the situation of electrical signal, the electric current in the coil 4 can produce induction field, in magnetic conductive part 2, forms closed magnetic circuit.Under two kinds of magnetic field interactions, armature 3 will stressedly be subjected to displacement and promote valve or valve, and electric current is big or small linear in the size of its displacement amount and the coil 4.
Design the mechanical structure of this device, adopt the cantilever structure of similar seesaw, comprise that two bars that armature 3 stretches out are welded on the housing, make armature be suspended in housing central authorities.When electrical signal; This device ability quick acting, mechanical structure is simple, and magnetic circuit and circuit design are simple; Reliability is high; Can satisfy rapidity and the linearity requirement of the motion of valve or valve, overcome traditional time constant bigger deficiency of utilizing the motor that little actuating motor brings, have beneficial technical effects.
Claims (2)
1. device through electrical signal quick control valve/valve displacement amount; It is characterized in that: comprise permanent magnet (1), magnetic conductive part (2), armature (3), coil (4), housing (5); Magnetic conductive part (2) bilateral symmetry is equipped with permanent magnet (1), and magnetic conductive part (2) is fixed in the hollow casing (5) through screw (6), and magnetic conductive part (2) forms enclosed space with housing (5); Coil (4) and armature (3) wherein are installed; And armature (3) runs through from housing (5) center, and wherein an end stretches out from housing (5), links to each other with external valve or valve.
2. the device through electrical signal quick control valve/valve displacement amount according to claim 1 is characterized in that permanent magnet (1) is a rare earth permanent-magnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203441440U CN202228768U (en) | 2011-09-08 | 2011-09-08 | Device for rapidly controlling valve displacement through electric signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203441440U CN202228768U (en) | 2011-09-08 | 2011-09-08 | Device for rapidly controlling valve displacement through electric signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202228768U true CN202228768U (en) | 2012-05-23 |
Family
ID=46079354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203441440U Expired - Fee Related CN202228768U (en) | 2011-09-08 | 2011-09-08 | Device for rapidly controlling valve displacement through electric signals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202228768U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003716A (en) * | 2015-05-29 | 2015-10-28 | 中国航天科技集团公司烽火机械厂 | Underground permanent magnet type electromagnetic valve |
| CN105604711A (en) * | 2014-11-14 | 2016-05-25 | 北京航科发动机控制***科技有限公司 | A lever type pressurization valve with a flow-displacement conversion function |
-
2011
- 2011-09-08 CN CN2011203441440U patent/CN202228768U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604711A (en) * | 2014-11-14 | 2016-05-25 | 北京航科发动机控制***科技有限公司 | A lever type pressurization valve with a flow-displacement conversion function |
| CN105604711B (en) * | 2014-11-14 | 2019-01-22 | 北京航科发动机控制***科技有限公司 | A kind of delivery clack of lever-type flow-displacement conversion function |
| CN105003716A (en) * | 2015-05-29 | 2015-10-28 | 中国航天科技集团公司烽火机械厂 | Underground permanent magnet type electromagnetic valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20180908 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |