CN2184802Y

CN2184802Y - Electromagnetic diaphragm pump

Info

Publication number: CN2184802Y
Application number: CN 93242555
Authority: CN
Inventors: 文云衢
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-10-21
Filing date: 1993-10-21
Publication date: 1994-12-07
Anticipated expiration: 2003-10-21

Abstract

The utility model discloses an electromagnetic diaphragm pump which is used to pump fluid. The diaphragm of the electromagnetic diaphragm pump is a magnetic vibrating diaphragm which is composed of permanent magnetic material and elastic material, wherein, the permanent magnetic material is inlaid, coated or pasted on the elastic material or uniformly distributed in the elastic material; the magnetic vibrating diaphragm is vibrated by the attraction and the repulsion force of an iron core to generate pumping function. A pumping unit is composed of the pump chamber in a pump body and the end pole of the iron core, and the pump form is made by adopting the combination of a plurality of pumping units, which can realize the functions of multistage compression, multi-road output and multistage pressure feedback regulation to the fluid. The utility model has the advantages of reliable sealing, simple structure, low noise and high sensitivity of electrically control regulation.

Description

Electromagnetic diaphragm pump

The utility model relates to a kind of fluid pumping diaphragm pump, and particularly a kind of barrier film has the electromagnetism magnetic diaphragm pump of permanent magnetism.

Mechanical type of the prior art or electromagnetic type diaphragm pump adopt mechanical push-pull mechanism to drive the barrier film vibration usually, its poor sealing performance, and output quantity is difficult for automatically controlled adjusting, the energy consumption height, operational noise is big.Though Chinese patent 90222824.2 has proposed a kind of moving coil electromagnetic diaphragmpump, it still has complex structure, and sealing reliability and explosion-proof security are not high, and the delivery pressure finite sum is difficult for realizing the shortcoming of pressure feedback adjusting.

The purpose of this utility model provides a kind of electromagnetism magnetic diaphragm pump, and it can effectively strengthen sealing reliability and explosion-proof security, simplifies overall structure, realizes the output of multistage compression or multichannel, improves the sensitivity that pressure feedback is regulated.

The purpose of this utility model is to realize like this, with reference to the accompanying drawings, electromagnetism magnetic diaphragm pump is by coil, iron core, and the pump housing and barrier film are formed, barrier film is a magnetic vibrating diaphragm 8, magnetic vibrating diaphragm 8 is made up of elastic material 6 and permanent-magnet material 7, and elastic material 6 is inlaid with permanent-magnet material 7, and perhaps elastic material 6 claddings are outside permanent-magnet material 7, perhaps be pasted with permanent-magnet material 7 on the elastic material 6, perhaps be evenly distributed with permanent-magnet material 7 in the elastic material 6.When coil 1 passed to ac power supply, in the right pump suction unit 12 that right pump chamber 9 and unshakable in one's determination 2 the right-hand member utmost point 4 are formed by the pump housing, magnetic vibrating diaphragm 8 was subjected to the attraction of the right-hand member utmost point 4 alternation magnetic force or repulsion and vibrates the generation pumping function.Have the multiterminal polar form iron cores that are no less than 2 end utmost points because iron core 2 can be made into, when the corresponding end utmost point unshakable in one's determination of the pump chamber in the pump housing was provided with, the utility model can be had the combined multipole pumps how the group pumps are inhaled the unit.The quantity of pump chamber 9 can be a pump chamber in the pump housing, also can be for being no more than a plurality of pump chambers of the end utmost point 4 quantity unshakable in one's determination, pump of the present utility model is inhaled the unit when adopting prior art that different pump housing accessories is set, and each pump is inhaled the unit can have different pump function.And can be with polyphone or parallel way operation.

The utility model is because adopted the magnetic vibrating diaphragm, and the vibration of vibrating diaphragm is driven by magnetic force, so vibrate for a short time, noise is low, the efficiency height; Owing to compress closed assembly at interval and by bolt by magnetic vibrating diaphragm of being made up of elastic material and valve between the rigid member of the pump housing, so simple in structure, sealing is reliable simultaneously; Because coil is arranged on the pump chamber outside, no energized components and thermal source so easily fire in pumping, have good safety in operation in the pump chamber during poisonous medium in addition; When employing has the pump type of many group pumps suctions unit, has the advantage that can easily realize multistage compression, multichannel output and multistage pressure feedback regulation.

Theory structure of the present utility model is provided by following embodiment and accompanying drawing, and description of drawings is provided.

Accompanying drawing is that the utility model is inhaled the bipolar pump type structural representation that the unit is formed by 2 groups of pumps.Inhale unit 12 for right pump in the right frame of broken lines, inhale unit 14 for left pump in the left frame of broken lines with secondary polyphone compression function with pressure feedback regulatory function.

Among the figure: 1. coil, 2. iron core, 3. the left end utmost point, 4. the right-hand member utmost point, 5. feedback is chewed, 6. elastic material, 7. permanent-magnet material, 8. magnetic vibrating diaphragm, 9. right pump chamber, 10. dividing plate, 11. bolts, 12. right pumps are inhaled unit, 13. left bank gas is chewed, 14. left pumps are inhaled unit, 15. the second from left level exhaust valves, 16. the first from left level exhaust valves, 17. left air inlet is chewed, 18. left air inlet valves, 19. left pump chambers, 20. right air inlet valves, 21. right air inlet is chewed, 22. right exhausts are chewed, 23. right exhaust valves.

The utility model in use, coil 1 is connected ac power supply, unshakable in one's determination 2 produce alternating magnetic field, singly see the right pump suction unit 12 of accompanying drawing, be located at the positive half cycle of electric current, the magnetic polarity of unshakable in one's determination 2 the right-hand member utmost point 4 is N, if magnetic vibrating diaphragm 8 is S towards the magnetic polarity of the right-hand member utmost point 4, vibrating diaphragm is attracted to vibrate to the end face of the right-hand member utmost point, right pump chamber 9 lower space enlarge and form negative pressure, right exhaust valve 23 was close to dividing plate 10 and was closed this moment, the mode that fluid sucks with negative pressure through right air inlet chew 21, right air inlet valve 20 enters right pump chamber 9 bottoms.At the negative half period of electric current, the magnetic polarity of the right-hand member utmost point 4 becomes S, and magnetic vibrating diaphragm 8 is subjected to repel to vibration in the other direction, right pump chamber 9 lower space compression and dwindling, and right air inlet valve 20 is closed, and fluid is chewed 22 through right exhaust valve 23, right exhaust and is pumped with supercharging mode.The alternate that the right-hand member utmost point 4 magnetic polarities are continuous makes the 8 continuous vibrations of generation of magnetic vibrating diaphragm and constantly sucks and pump fluid.The part fluid of output can be chewed 5 upper spaces that enter right pump chamber 9 through feedback by connecting leg, and fluid will limit the amplitude of vibrating diaphragm and reach the effect of adjusting pump chamber delivery pressure and flow.

Inhale unit 14 referring to the right pump of accompanying drawing, magnetic is shaken and is touched 8 and also be subjected to the alternation magnetic force of unshakable in one's determination 2 the left end utmost point 3 and vibrate, but is manufactured with the first from left level exhaust valve 16 on the magnetic vibrating diaphragm 8 in the left pump chamber 19.Fluid enters the upper space of left pump chamber 19 through the first from left level exhaust valve 16 after the lower space that left air inlet chews 17, left air inlet valve 18 enters left pump chamber 19 is compressed, fluid is compressed once more after film 15 is explained in the exhaust of the second from left level, left bank gas is chewed 13 and pumped.If allow the cross sectional area of left pump chamber 19 upper spaces be slightly less than the cross sectional area of lower space, in addition, because magnetic vibrating diaphragm 8 is near when the end face ratio of the end utmost point 3 is repelled when being subjected to the attraction of the left end utmost point 3 magnetic force, magnetic barrier film 8 suffered attraction forces can be greater than repulsive force, the result, the pressure that fluid bears on left pump chamber top will be higher than the pump chamber bottom, so fluid its delivery pressure after the compression of left pump chamber 19 secondarys polyphone improves.

The utility model is when adopting many group pumps to inhale the modular pump type, by reasonably being set on the pump housing, inlet and outlet chew, feedback is chewed, intake and exhaust valve and outer connecting pipe or interior connecting passage, can produce easily and have multistage compression, the series pump type of multichannel output or multistage pressure feedback regulation function.In addition, when adopting the automatically controlled regulative mode of frequency and field current intensity by changing the input coil ac power supply, because of the magnetic diaphragm mass is light, the inertia distance is little, and its speed of response is fast, highly sensitive.

Claims

1, a kind of electromagnetism magnetic diaphragm pump is made up of coil, iron core, the pump housing and barrier film, it is characterized in that described barrier film is magnetic vibrating diaphragm (8), and magnetic vibrating diaphragm (8) is made up of elastic material (6) and permanent-magnet material, and elastic material is inlaid with permanent-magnet material on (6); Form pump by pump housing pump chamber (9,19) with the end utmost point (3,4) of (2) unshakable in one's determination and inhale the unit, magnetic vibrating diaphragm (8) is set in the pump housing, pump chamber (9) is chewed (5) and is communicated with feedback, and pump chamber (9) is chewed (21) by dividing plate (10) and air inlet, and exhaust is chewed (22) and connected.

2, electromagnetism magnetic diaphragm pump according to claim 1 is characterized in that the quantity of the pump chamber (9) in the described pump housing can be a pump chamber, also can be for being no more than a plurality of pump chambers of the end utmost point (4) quantity unshakable in one's determination.

3, electromagnetism magnetic diaphragm pump according to claim 1 is characterized in that elastic material (6) cladding is outside permanent-magnet material (7).

4, electromagnetism magnetic diaphragm pump according to claim 1 is characterized in that being pasted with on the elastic material (6) permanent-magnet material (7).

5, electromagnetism magnetic diaphragm pump according to claim 1 is characterized in that being evenly distributed with in the elastic material (6) permanent-magnet material (7).