CN209990987U - Double-coil electromagnetic valve for gas control valve - Google Patents
Double-coil electromagnetic valve for gas control valve Download PDFInfo
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- CN209990987U CN209990987U CN201920515866.4U CN201920515866U CN209990987U CN 209990987 U CN209990987 U CN 209990987U CN 201920515866 U CN201920515866 U CN 201920515866U CN 209990987 U CN209990987 U CN 209990987U
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Abstract
The utility model discloses a twin coil solenoid valve for firing gas control valve, including quiet coil pack and moving coil pack, quiet coil pack all comprises magnetic core and coil with moving coil pack. The magnetic core is internally provided with a groove, and the coil is arranged in the groove of the magnetic core. The static coil assembly and the moving coil assembly are equal in cross section, and are arranged in a manner that the axes are coincident and opposite. The magnetic leakage flux can be reduced by arranging the coils in the grooves of the magnetic core, the electromagnetic force is improved, different current sizes are adopted by attraction and maintenance, the electric energy consumption during maintenance is saved, the current can be reduced by combining the two groups of coils, and the electromagnetic force is superposed. Therefore, the electromagnetic valve has low power consumption, small size and simple structure, and is suitable for most of gas control valves.
Description
Technical Field
The present invention relates to a solenoid valve, and more particularly to a solenoid valve having two coils for a gas control valve.
Background
The electromagnet is an electric appliance which generates suction to ferromagnetic substances after being electrified and converts electromagnetic energy into mechanical energy, and the electromagnet is used for forming an electromagnetic valve after being used for a gas control valve, so that the opening and closing of the gas valve can be realized through the electrification of the electromagnetic valve, and the functions of alarm protection and the like can be realized. Electromagnets are available in many types, but their basic composition and principle of operation are the same, and are generally composed of three main parts, a coil, an iron core and an armature. A coil contains the core and is energized to create a magnetic force that attracts the armature. The material of the iron core is generally soft iron or silicon steel.
However, in order to generate a large enough suction force, the conventional solenoid valve needs to ensure a certain ampere-turn number, and the size of the gas control valve cannot be very large due to size limitation, so that a relatively large current needs to be conducted on the coil to realize work, so that the energy consumption is very fast, the consumed energy is converted into heat energy, and the coil of the electromagnet is easy to generate heat and scald after working for a long time, thereby causing accelerated aging and even damage of related components on the solenoid valve.
In addition, when the gas control valve is used in certain specific environments, such as outdoors or outdoors, and under the condition that no or inconvenient commercial power supply exists, and when a battery is required to be used as a power supply energy source, the battery has limited energy storage and cannot provide a large energy consumption for a long time, so that certain limitation is brought to the use of the gas control valve.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims to solve the technical problem that a twin coil solenoid valve for firing gas control valve is provided, the utility model discloses can be through supplying a very little electric current to solenoid valve coil, can maintain the solenoid valve and be in the actuation state, even make and fire gas control valve in the open mode.
(II) technical scheme
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a dual coil solenoid valve for a gas control valve includes a stationary coil assembly and a moving coil assembly. The static coil assembly comprises a static magnetic core and a static coil, the movable coil assembly comprises a movable magnetic core and a movable coil, the cross section of the static coil assembly is the same as that of the movable coil assembly in shape and size, the axes of the static coil assembly and the movable coil assembly are overlapped and oppositely arranged, the static magnetic core and the movable magnetic core are E-shaped, namely grooves are formed in the static magnetic core and the movable magnetic core, and the static coil and the movable coil are arranged in the grooves.
The winding mode of the coils on the static coil assembly and the moving coil assembly is in the same direction according to the installation positions in the double-coil electromagnetic valve, namely, the magnetism generated on the static magnetic core after the static coil is electrified is in the same direction as the magnetism generated on the moving magnetic core after the moving coil is electrified, the magnetic poles generated on the mutually matched surfaces of the static coil assembly and the moving coil assembly are opposite, and the magnetic poles are mutually attracted according to the unlike magnetic poles, and the magnetic forces generated by the static coil assembly and the moving coil assembly are superposed after the static coil assembly and the moving coil assembly are electrified.
In a further technical scheme, in order to improve the magnetic permeability and reduce the leakage magnetic flux, the static magnetic core and the dynamic magnetic core are made of manganese-zinc ferrite or superconducting materials with high magnetic permeability.
In a further technical scheme, the pull-in current is 4-50 times of the maintaining current, and the maintaining current is 2-200 mA.
In a further technical scheme, the static magnetic core and the dynamic magnetic core can be in a round pot shape, and grooves formed in the static magnetic core and the dynamic magnetic core are circular ring grooves.
In a further technical scheme, a guide post is arranged between the static coil assembly and the moving coil assembly so that the moving coil can move along a straight line.
In a further technical scheme, a push rod is arranged on the moving coil assembly, one end of the push rod is fixed on the moving coil assembly, and a sealing gasket is arranged at the other end of the push rod. And a spring is arranged between the sealing gasket and the moving coil assembly.
A control valve for a dual coil solenoid valve of a gas control valve, comprising the steps of,
firstly, simultaneously electrifying a larger attracting current to the static coil and the dynamic coil, wherein the attracting current is 4-50 times of the maintaining current, so that the dynamic coil component moves along the axis and attracts the static coil component, and the dynamic coil component drives the push rod, the sealing gasket and the compression spring to make the sealing gasket separate from the air port.
And step two, keeping opening the air port on the gas control valve, wherein after the static coil assembly and the movable coil assembly are attracted, the current in the static coil and the movable coil is reduced, only a small maintaining current needs to be supplied, the maintaining current is generally 2 mA-200 mA, the attraction state can be maintained, namely the gas control valve is always in the opening state, and when the gas control valve needs to be closed, only the static coil and the movable coil need to be stopped from supplying power.
In a further technical scheme, after a pull-in current is conducted between the static coil and the moving coil, the current in the static coil and the moving coil is reduced to be converted into the holding current, and the current reduction mode comprises the following modes:
the method I is characterized in that the current in only one coil is reduced, namely the current in a static coil or a moving coil is reduced, and the original current is maintained in the other coil;
the second mode is that the current in one coil is directly cut off, namely the power supply to the static coil or the moving coil is stopped, and the original current is continuously maintained for the other coil;
in a third mode, the current in the static coil and the current in the dynamic coil are reduced simultaneously according to a certain proportion;
and the current in one coil is directly cut off, namely, the power supply to the static coil or the moving coil is stopped, and the current in the other coil is reduced.
(III) advantageous effects
Compared with the prior art, its beneficial effect is:
the utility model provides a twin coil solenoid valve for firing gas control valve, it supplies power simultaneously through two coils, and the magnetic core not only be in the coil inside, moreover the magnetic core still wrapped the coil, increased magnetic flux in the magnetic core can produce bigger suction force as long as through very little electric current to make the low power dissipation of solenoid valve, the size is little, and simple structure is applicable to the use on most of gas control valves.
Drawings
Fig. 1 is a schematic cross-sectional view of embodiment 1 of the present invention.
Fig. 2 is a schematic cross-sectional view of embodiment 1 of the present invention rotated by 90 ° with respect to fig. 1.
Fig. 3 is a schematic cross-sectional view of the embodiment 1 of the present invention after the stationary coil assembly and the moving coil assembly are attracted.
Fig. 4 is an exploded view of embodiment 1 of the present invention.
Fig. 5 is a schematic view of the winding direction of the stationary coil assembly and the moving coil assembly according to embodiment 1 of the present invention.
Fig. 6 is a schematic cross-sectional view of a stationary coil assembly according to embodiment 1 of the present invention.
Fig. 7 is a schematic structural diagram of a stationary coil assembly according to embodiment 1 of the present invention.
Fig. 8 is a schematic perspective view of a stationary coil assembly according to embodiment 1 of the present invention.
Fig. 9 is a cross-sectional view of a stationary coil assembly according to embodiment 2 of the present invention.
Fig. 10 is a schematic structural view of a stationary coil assembly according to embodiment 2 of the present invention.
Fig. 11 is a schematic perspective view of a stationary coil assembly according to embodiment 2 of the present invention.
The corresponding names of the components in the figure are as follows: 1-a stationary coil assembly; 2-a moving coil assembly; 3-a guide pillar; 4-a push rod; 5-a sealing gasket; 6-a spring; 7-a valve body; 11-a static magnetic core; 12-a stationary coil; 13-a groove; 21-a moving magnetic core; 22-moving coil; 71-gas port; 11' -pot core; 12' -pot core coil; 13' -annular groove.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1 to 7, a dual coil solenoid valve for a gas control valve includes a stationary coil block 1 and a moving coil block 2, the stationary coil block 1 includes a stationary core 11 and a stationary coil 12, the moving coil block 2 includes a moving core 21 and a moving coil 22, the stationary core 11 and the moving core 21 are made of manganese-zinc ferrite having high magnetic permeability, the stationary core 11 and the moving core 21 are E-shaped, that is, a notch-shaped recess 13 is formed inside the stationary core 11 and the moving core 21, the stationary coil 12 and the moving coil 22 are respectively disposed in the recess 13 of the stationary core 11 and the moving core 21, the coil winding patterns of the stationary coil block 1 and the moving coil block 2 are in the same direction as the mounting position in the dual coil solenoid valve, and the stationary coil block 1 and the moving coil block 2 have the same sectional shape and size, the axes are overlapped and oppositely arranged, a guide post 3 is arranged between the static coil component 1 and the moving coil component 2, the moving coil component 2 can move along the axis of the guide post 3, a push rod 4 is arranged on the moving coil component 2, one end of the push rod 4 is fixed on the moving coil component 2, a sealing gasket 5 is arranged at the other end of the push rod 4, a spring 6 is arranged between the sealing gasket 5 and the moving coil component 2, and when the static coil component 1 and the moving coil component 2 are not attracted, the sealing gasket 5 and an air port 71 on the valve body 7 are in a sealing state.
When the double-coil electromagnetic valve works, a larger attracting current is conducted to the static coil component 1 and the movable coil component 2, the winding modes of the coils on the static coil component 1 and the movable coil component 2 are in the same direction according to the installation positions in the double-coil electromagnetic valve, namely, the magnetism generated on the static magnetic core 11 after the static coil 12 is electrified is in the same direction as the magnetism generated on the movable magnetic core 21 after the movable coil 22 is electrified, the magnetic poles generated on the mutually matched surfaces of the static coil component 1 and the movable coil component 2 are opposite, the magnetic poles are mutually attracted according to the unlike magnetic poles, after the static coil component 1 and the movable coil component 2 are electrified, the magnetic forces generated by the static coil component 1 and the movable coil component 2 are superposed, so that the movable coil component 2 moves along the guide pillar 3 and is attracted with the static coil component 1, and the movable coil component 2 drives the push rod 4 to drive the push rod 4, The sealing gasket 5 and the spring 6 are further compressed to enable the sealing gasket 5 to be separated from the air port 71, so that the gas control valve is opened, after the movable coil assembly 2 and the fixed coil assembly 1 are attracted, the current in the fixed coil 11 and the movable coil 21 is reduced, the attraction state can be maintained only by supplying a small maintaining current, namely the gas control valve is always in the opening state, and when the gas control valve is required to be cut off, the static coil 11 and the movable coil 21 are only required to be stopped to be electrified.
The magnitude of the pull-in current is 4-50 times of the maintaining current, and the magnitude of the maintaining current is 2 mA-200 mA.
Example 2
As shown in fig. 8 to 10, in another structure of a double-coil solenoid valve for a gas control valve, a core coil is a pot-shaped core 11 'having an annular groove 13' provided therein, and a pot-shaped core coil 12 'is disposed in the annular groove 13'.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A dual coil solenoid valve for a gas control valve, characterized by: including quiet coil pack (1) and movable coil pack (2), quiet coil pack (1) contain quiet magnetic core (11) and quiet coil (12), movable coil pack (2) contain movable magnetic core (21) and movable coil (22), quiet magnetic core (11) and movable coil (21) inside all are provided with recess (13), quiet coil (12) arrange in recess (13) of quiet magnetic core (11), movable coil (22) arrange in recess (13) of movable magnetic core (21), quiet coil pack (1) with movable coil pack (2) the cross sectional shape size the same to the axis coincidence is relative to be arranged.
2. A double-coil solenoid valve for a gas control valve according to claim 1, characterized in that: the static magnetic core (11) and the dynamic magnetic core (21) can be E-shaped or round pot-shaped.
3. A double-coil solenoid valve for a gas control valve according to claim 1, characterized in that: the groove (13) on the static magnetic core (11) and the dynamic magnetic core (21) can be a notch or an annular groove (13').
4. A double-coil solenoid valve for a gas control valve according to claim 1, characterized in that: the static magnetic core (11) and the dynamic magnetic core (21) are made of manganese-zinc ferrite or superconducting materials with high magnetic permeability.
5. A double-coil solenoid valve for a gas control valve according to claim 1, characterized in that: the attracting current for attracting the static coil assembly (1) and the moving coil assembly (2) is 4-50 times of the maintaining current for attracting the static coil assembly (1) and the moving coil assembly (2), and the maintaining current is 2-200 mA.
6. A double-coil solenoid valve for a gas control valve according to claim 1, characterized in that: a guide post (3) is arranged between the static coil component (1) and the moving coil component (2).
7. A double-coil solenoid valve for a gas control valve according to claim 1, characterized in that: the coil assembly (2) is provided with a push rod (4), one end of the push rod (4) is fixed on the coil assembly (2), the other end of the push rod is provided with a sealing gasket (5), and a spring (6) is arranged between the sealing gasket (5) and the coil assembly (2).
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920515866.4U CN209990987U (en) | 2019-04-17 | 2019-04-17 | Double-coil electromagnetic valve for gas control valve |
| EP19191833.3A EP3726546B1 (en) | 2019-04-17 | 2019-08-14 | A dual coil solenoid valve for a fuel gas control valve and the control method thereof |
| ES19191833T ES2887284T3 (en) | 2019-04-17 | 2019-08-14 | A double coil solenoid valve for a fuel gas control valve and control method thereof |
| PL19191833T PL3726546T3 (en) | 2019-04-17 | 2019-08-14 | A dual coil solenoid valve for a fuel gas control valve and the control method thereof |
| US16/557,021 US11047500B2 (en) | 2019-04-17 | 2019-08-30 | Dual coil solenoid valve for a fuel gas control valve and the control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920515866.4U CN209990987U (en) | 2019-04-17 | 2019-04-17 | Double-coil electromagnetic valve for gas control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209990987U true CN209990987U (en) | 2020-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920515866.4U Active CN209990987U (en) | 2019-04-17 | 2019-04-17 | Double-coil electromagnetic valve for gas control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209990987U (en) |
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2019
- 2019-04-17 CN CN201920515866.4U patent/CN209990987U/en active Active
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