CN2268820Y - Electric controlling and magnet actuating valve - Google Patents
Electric controlling and magnet actuating valve Download PDFInfo
- Publication number
- CN2268820Y CN2268820Y CN 95229076 CN95229076U CN2268820Y CN 2268820 Y CN2268820 Y CN 2268820Y CN 95229076 CN95229076 CN 95229076 CN 95229076 U CN95229076 U CN 95229076U CN 2268820 Y CN2268820 Y CN 2268820Y
- Authority
- CN
- China
- Prior art keywords
- valve
- gas
- coil
- permanent magnet
- magnetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model relates to an electromagnetic control valve, used for on-off control of the gas flow of a gas meter, and is suitable for the gas flow control field of gas and natural gas facilities. The electromagnetic control valve is the critical device for realizing the magnetic card management of gas meters, directly controls the on-off of the gas meter, and is the core of a magnetic card gas meter. By the characteristics of isotropy repulsion and isomerism attraction between magnets, and magnetic keep of a permanent magnet, the utility model plays a function that light current controls the on-off of the combustible gas by the reasonable arrangement and special structure design of a valve gas passage.
Description
The utility model relates to a kind of Electromagnetic Control valve, is that the gas meter air-flow is carried out switching control.Collection machinery, electronic technology are one, are applicable to the air-flow control field of coal gas, natural gas facility.The Electromagnetic Control valve is that gas meter is realized device crucial in the magnetic card management, and it directly controls the gas meter switching, is the core of magnetic card gas meter.
At present, gas valve mainly contains two kinds of forms: a kind of is manually-operated gate, and a kind of is electric control valve.Manually-operated gate can not be used in automatic control (as the cassette gas meter, the automatic control of air supply system etc.) field.Electric control valve then can be used in the combustion gas automation field.Electric control valve is divided into two kinds of electromechanical and electromagnetic types again.Deficiency is that the control of electromechanical valve is complicated, power consumption is big, the cost height.And that the subject matter of electromagnetic valve is sealing is poor, big to the pressure loss of gas, and needs valve state to keep electric current.
The purpose of this utility model is to avoid above-mentioned deficiency of the prior art and a kind of good airproof performance is provided, and is little to the pressure loss of gas, and valve state keeps the little electromagnetism of electric current to keep valve.
The purpose of this utility model can reach by following measure:
Electric control magnetic keeps valve, is made up of gas meter watchcase, inlet hole, air outlet hole.Permanent magnet is between left coil with iron core and right coil.
Fixing connecting rod slides from the iron core of left coil and passes on the permanent magnet.
The valve gap of the fixing fixing control in connecting rod other end air outlet hole on the permanent magnet.
The utility model has following advantage compared to existing technology: good airproof performance, and little to the atmospheric pressure loss, cost is low, when valve state keeps, do not need electric current that it is controlled fully, can directly be used in and realize in the magnetic card management gas burning system.
Schematic representation below in conjunction with electronic control magnetic maintenance valve is described further in conjunction with its specific embodiment.
Accompanying drawing: electric control magnetic maintaining valve door schematic representation.
1. coil 2. coils 3. permanent magnets 4. valve gaps 5. connecting rods 6. inlet holes 7. air outlet holes 8. valve power supplys 9. watchcases
Keep valve according to electric control magnetic as shown in the figure, form by coil 1, coil 2, permanent magnet 3, valve gap 4, connecting rod 5, inlet hole 6, air outlet hole 7, valve power supply 8, watchcase 9.Coil 1 and coil 2 two ends in watchcase 9; Permanent magnet 3 is fixed by the right-hand member of the connecting rod on the iron core that passes coil 15; Connecting rod 5 the other ends are fixed with valve gap 4, face air outlet hole 7.
Distance between 2 two coils of coil 1 and coil is L, permanent magnet 3 has only two kinds of steady states, be permanent magnet 3 when being in the right side coil 2 of L/2 iron core, the attraction force of right side magnet is greater than the iron core suction in the coil of left side, and permanent magnet 3 stops in the right side coil 2 on the iron core.Permanent magnet 3 drives valve gap 4 startups by connecting rod 5 and leaves gas port 7, and valve is in the breakdown state.When permanent magnet 3 was in the left side coil 1 of L/2 iron core, the attraction force of iron core was greater than the suction in the iron core in the right side coil 2 in the left side coil 1, and permanent magnet 3 stops in the coil 1 of left side on the iron core, drives valve gap 4 and covers air outlet 7, and valve is in closed condition.The magnetic of having realized valve thus keeps function.
If electric control valve is in the breakdown state, (as shown in drawings).Want to make it to close, open the power supply valve, then valve power supply 8 can be switched on simultaneously to coil 1, coil 2, makes it produce a kind of like this magnetic field; The magnetic direction of coil 1 is the right S of left N, and permanent magnet 3 is produced suction.The magnetic direction of coil 2 is the right N of left S.Permanent magnet 3 is produced thrust.Under the effect, make permanent magnet 3 coil 1 motion to the left in these two power, the distance of motion is as long as surpass L/2, and valve just enters closes stable state.Permanent magnet 3 drives valve gap 4 by connecting rod 5 and moves to left, sealing air outlet 7, throttle down.If want the breakdown valve, need only anti-phasely the energising polarity of coil 1 and coil 2, produce magnetic field opposite when closing, permanent magnet 3 will move right, the breakdown valve.
This valve working process: valve is in close valve state when initial, the airless circulation.When valve power supply 8 added forward voltage, valve breakdown air-flow entered from suction port 6, and 7 outflow valves are in normal working from the air outlet; When valve power supply 8 added backward voltage, valve closing, air-flow carried and end, and valve is in the state of quitting work.
Claims (3)
1, a kind of electric control magnetic keeps valve, is made up of gas meter watchcase 9, inlet hole 6, air outlet hole 7, it is characterized in that permanent magnet 3 is between coil 1 and coil 2.
2, the electric control magnetic according to claim 1 keeps valve, it is characterized in that the fixing connecting rod 5 on the permanent magnet 3 passes from coil 1 iron core.
3, according to claim 1,2 electric control magnetic keeps valve, it is characterized in that a valve gap 4 is fixed in the other end of connecting rod 5 fixing on the permanent magnet 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95229076 CN2268820Y (en) | 1995-12-26 | 1995-12-26 | Electric controlling and magnet actuating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95229076 CN2268820Y (en) | 1995-12-26 | 1995-12-26 | Electric controlling and magnet actuating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2268820Y true CN2268820Y (en) | 1997-11-26 |
Family
ID=33874435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95229076 Expired - Fee Related CN2268820Y (en) | 1995-12-26 | 1995-12-26 | Electric controlling and magnet actuating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2268820Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386208A (en) * | 2017-08-02 | 2019-02-26 | 凡琦威 | Automatic electric magnetic-type gate operator |
-
1995
- 1995-12-26 CN CN 95229076 patent/CN2268820Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386208A (en) * | 2017-08-02 | 2019-02-26 | 凡琦威 | Automatic electric magnetic-type gate operator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |