CN109854488B - Electromagnetic driving micropump - Google Patents
Electromagnetic driving micropump Download PDFInfo
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- CN109854488B CN109854488B CN201910309991.4A CN201910309991A CN109854488B CN 109854488 B CN109854488 B CN 109854488B CN 201910309991 A CN201910309991 A CN 201910309991A CN 109854488 B CN109854488 B CN 109854488B
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Abstract
An electromagnetic driving micropump relates to the technical field of micropumps. Comprising the following steps: the pump body is provided with the holding tank in the pump body, is provided with feed inlet and discharge gate and drive arrangement on the pump body, and drive arrangement sets up on the pump body and keeps away from feed inlet one side, and drive arrangement includes: the hollow inductance component is fixedly assembled with the pump body; a magnetic metal block which is inserted and assembled with one side of the inductance component close to the pump body and is partially inserted into the hollow part of the inductance component; an inner core disposed in the inductance component hollow portion and slidable with respect to the inductance component; an elastic piece which is arranged between the magnetic metal block and the inner core, one end of which is fixedly assembled with the magnetic metal block, and the other end of which is fixedly assembled with the inner core; and a transmission assembly, one part of which is arranged in the accommodating groove, and the other part of which is fixedly assembled with the inner core through the magnetic metal block. The electromagnetic drive type micropump adopting the technical scheme has the advantages of stable driving effect, long service life and low manufacturing cost.
Description
Technical Field
The invention relates to the technical field of micropumps, in particular to an electromagnetic drive type micropump.
Background
The miniature pump refers to a miniature diaphragm pump and a miniature vacuum pump, and is provided with a feeding nozzle and a discharging nozzle which are respectively one inlet and one outlet, the diaphragm in the pump is made to reciprocate through a mechanical device, vacuum or negative pressure can be continuously formed at the feeding nozzle, and micro positive pressure is formed at the discharging nozzle; the working medium is mainly gas or fluid, and is a small-sized instrument which is widely applied to coffee machines, beer machines, blood presses, water purifiers and the like.
The existing micropump usually adopts a belt motor as a power source, so that a containing groove in the micropump is driven to generate volume change, and then the pressure in the containing groove is changed, so that gas or fluid in the containing groove is introduced and discharged. Because the motor has a certain service life, the motor can be easily damaged or scrapped when the service life reaches the rated service life, so that the miniature damage is caused, and therefore, the motor needs to be improved.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art, and provides an electromagnetic drive type micropump, which generates magnetic force through a magnetic induction wire generated by an electrified coil to enable an inner core arranged in the coil to generate the magnetic force so as to adsorb a magnetic metal block, and then the inner core is reset through the elastic force of a spring after the coil is powered off, so that the reciprocating motion of a transmission assembly is realized, and the electromagnetic drive type micropump has the advantages of stable driving effect, long service life and low manufacturing cost.
In order to achieve the above purpose, the invention adopts the following technical scheme: an electromagnetically driven micropump comprising: the pump body, be provided with the holding tank in the pump body, be provided with feed inlet and ejection of compact mouth and drive arrangement on the pump body, be provided with the diaphragm spare in the pump body, the diaphragm spare with the pump body encloses to establish to hold the cavity in order to hold the material, drive arrangement set up in keep away from feed inlet one side on the pump body, drive arrangement is used for driving hold the cavity and produce the volume variation, drive arrangement includes: the hollow inductance component is fixedly assembled with the pump body and is used for generating magnetic force when being electrified and losing the magnetic force when being powered off; the magnetic metal block is inserted and assembled with one side, close to the pump body, of the inductance component and is partially inserted into the hollow part of the inductance component; an inner core which is arranged in the hollow part of the inductance component and can slide relative to the inductance component, is magnetized to generate magnetic force to be adsorbed on the magnetic metal block when the inductance component is electrified, and is desorbed with the magnetic metal block when the inductance component is powered off; the elastic piece is arranged between the magnetic metal block and the inner core, one end of the elastic piece is fixedly assembled with the magnetic metal block, the other end of the elastic piece is fixedly assembled with the inner core, and the elastic piece is used for providing restoring force for resetting the inner core when the inductance component is powered off; and a transmission assembly, one part of which is fixedly assembled with the diaphragm member, and the other part of which passes through the magnetic metal block and is fixedly assembled with the inner core, and can synchronously move along with the inner core when the inner core slides so as to elastically deform the diaphragm member and change the volume of the accommodating cavity.
The inductance assembly includes: the coil rack is fixedly assembled with the pump body, a hollow cavity is arranged on the coil rack, and the inner core is arranged in the hollow cavity; a coil which is wound on the coil frame and is electrically connected with an external power supply, generates magnetic lines of force to magnetize the inner core when being electrified, and coats an insulating layer on the outer surface; and the metal shell is sleeved on the coil frame and used for wrapping the coil and enhancing the strength of magnetic force lines of the wound coil.
The middle part of the coil rack is provided with a concave part and is in an I shape as a whole, and the coil is wound on the concave part.
The inner core and the magnetic metal are made of any one of iron, cobalt, nickel, complex and cast steel.
The elastic piece is any one of a spring, an elastic block and an elastic sheet.
Be provided with the mounting hole on the magnetism metal piece, drive assembly includes: a driving head slidably mounted in the accommodating groove; the transmission rod is partially accommodated in the mounting hole and can slide along the axis of the mounting hole, one end of the transmission rod is fixedly assembled with the inner core, the other end of the transmission rod is integrally formed with the driving head, and the transmission rod is used for transmitting the movement of the inner core to the driving head; and a driving block which is assembled with one end of the driving head near one side of the diaphragm member and the other end of the driving block is assembled with the diaphragm member and can synchronously move along with the head of the driving head.
The pump body includes: the feeding nozzle and the discharging nozzle are arranged on one side, far away from the driving device, of the top shell; the main shell is fixedly assembled with the top shell, and the accommodating groove is formed in the main shell; the valve plate is arranged on the main shell and positioned between the main shell and the top shell, a feed inlet and a discharge outlet are arranged on the valve plate, and the valve plate is used for feeding materials into and out of the accommodating cavity; the valve plate is arranged between the valve plate and the top shell and used for controlling the opening or closing of the feed inlet and the opening or closing of the discharge outlet, and a discharge baffle plate used for controlling the opening or closing of the discharge outlet and a feed baffle plate used for controlling the opening or closing of the feed inlet are arranged on the valve plate; and a diaphragm member mounted on the main housing, the diaphragm member being adapted to deform to change the volume of the receiving chamber when the micro pump is in operation.
The top shell, the main shell and the coil rack are fixedly assembled through fastening bolts so as to clamp and fix the valve plate, the diaphragm piece and the magnetic metal block.
The main shell is provided with a mounting groove on one side close to the top shell, the mounting groove is communicated with the accommodating groove, and the valve plate is mounted in the mounting groove.
The feeding nozzle and the discharging nozzle are integrally formed with the top shell, and the feeding nozzle and the discharging nozzle are connected with an external pipeline.
After the technical scheme is adopted, the invention has the beneficial effects that: when the micropump is used, the coil is electrified to generate a magnetic induction line, then the magnetic induction line magnetizes an inner core arranged in the hollow cavity, so that the inner core moves to one side of the magnetic metal block under the action of magnetic force, and the elastic piece is extruded in the moving process until the inner core is adsorbed on the magnetic metal block, the inner core moves, the movement is transmitted to the driving head through the transmission rod, and then the driving head drives the driving block to move, so that the driving block moves to one side of the valve plate, thereby compressing the acting volume of the accommodating cavity, increasing the pressure in the accommodating cavity, extruding the material in the accommodating cavity to one side of the discharge hole of the valve plate, and opening the discharge baffle on the valve plate under the extrusion effect of the material, so that the material is discharged from the discharge nozzle; then the coil is powered off, make the inner core lose magnetism, at this moment, compressed elastic component resumes to be long owing to self elasticity, thereby drive inner core to keeping away from magnetism metal piece one side motion, until the inner core resumes to initial position, in-process that the inner core resumes to initial position, drive the actuating head and drive the piece to keeping away from valve plate one side motion through the transfer line, thereby increase the action volume that holds the cavity, hold the cavity internal pressure and form the negative pressure, the material that is located feed inlet department is under atmospheric pressure's extrusion effect, open the feeding separation blade on the valve block, make the material follow the feed inlet to hold the material in the cavity, through the reciprocating motion of actuating head like this, realize the function of micropump, micropump that sets up like this has the driving effect stability, long service life, low in manufacturing cost, the business turn over volume uniformity is high, excellent in use effect's advantage.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic overall structure of the first embodiment;
FIG. 2 is a top view corresponding to FIG. 1;
FIG. 3 is a cross-sectional view taken along section line A-A of FIG. 2;
FIG. 4 is an exploded view of the first embodiment;
FIG. 5 is a schematic diagram of the overall structure of the second embodiment;
FIG. 6 is a top view corresponding to FIG. 5;
FIG. 7 is a cross-sectional view taken along section line A-A of FIG. 6;
fig. 8 is an exploded view of the second embodiment.
Reference numerals illustrate: 1. a pump body; 2. a driving device; 3. a receiving groove; 4. a discharge nozzle; 5. a feed nozzle; 6. an inductance assembly; 7. a magnetic metal block; 8. an inner core; 9. an elastic member; 10. a transmission assembly; 11. a coil former; 12. a coil; 13. a metal housing; 14. a groove; 15. a hollow cavity; 16. a fastening bolt; 17. a recessed portion; 18. a mounting hole; 19. a drive head; 20. a transmission rod; 21. a top shell; 22. a main housing; 23. a wear seal; 24. a valve plate; 25. a valve plate; 26. a feed inlet; 27. a discharge port; 28. a discharging baffle plate; 29. a feed baffle; 30. a mounting groove; 31. a seal ring; 32. a positioning block; 33. a positioning groove; 34. a diaphragm member; 35. a housing cavity; 36. and a driving block.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and those skilled in the art can make modifications to the present embodiment which do not contribute to the invention as required after reading the present specification, but are protected by the patent laws within the scope of the appended claims.
Embodiment one: the present embodiment relates to an electromagnetically driven micropump, which is a diaphragm micropump. As shown in fig. 1-3, the micropump includes: pump body 1 and drive device 2. An accommodating groove 3 is arranged in the pump body 1, and a feed nozzle 5 and a discharge nozzle 4 are arranged on the pump body 1. The pump body 1 is provided with a diaphragm member 34, and the diaphragm member 34 and the pump body 1 enclose a containing cavity 35 for containing materials. The driving device 2 is arranged on one side of the pump body 1 far away from the feed inlet 5, and the driving device 2 is used for driving the action volume of the accommodating cavity 35 to change, so that the accommodating cavity 35 forms positive pressure to discharge materials from the discharge inlet 4 or forms negative pressure to suck the materials into the accommodating cavity 35 from the feed inlet 26.
As shown in fig. 1 to 4, the driving device 2 includes: inductance component 6, magnetism metal piece 7, inner core 8, elastic component 9 and drive assembly 10.
The inductance assembly 6 is provided with a hollow part, the inductance assembly 6 is fixedly assembled with the pump body 1, and the inductance assembly 6 is used for generating magnetic force when being electrified or losing magnetic force when being powered off. The magnetic metal block 7 is assembled with one side of the inductance component 6 close to the pump body 1 in an inserting way, and the magnetic metal block 7 is partially inserted into the hollow part of the inductance component 6. The magnetic metal block 7 is used for adsorbing the inner core 8. The core 8 is disposed in the hollow portion of the inductance assembly 6 and is slidable with respect to the inductance assembly 6. When the inductance component 6 is electrified, the inner core 8 is magnetized to generate magnetic force so as to be adsorbed on the magnetic metal block 7; when the inductance assembly 6 is powered off, the inner core 8 loses magnetism, thereby being desorbed from the magnetic metal block 7. The elastic piece 9 is arranged between the magnetic metal block 7 and the inner core 8, one end of the elastic piece 9 is fixedly assembled with the magnetic metal block, and the other end of the elastic piece 9 is fixedly assembled with the inner core 8. The elastic member 9 serves to provide a restoring force for the restoration of the inner core 8 when the inductance assembly 6 is powered off. The transmission assembly 10 is arranged in the accommodating groove 3. One part of the transmission assembly 10 is fixedly assembled with the diaphragm member 34, and the other part passes through the magnetic metal block 7 and is fixedly assembled with the inner core 8. When the inner core 8 slides, the transmission assembly 10 can synchronously move along with the inner core 8, so that the diaphragm piece 34 is elastically deformed, and the acting volume of the accommodating cavity 35 is changed.
As shown in fig. 1 to 4, the inductance assembly 6 includes: coil former 11, coil 12 and metal casing 13. The coil former 11 is fixedly assembled with the pump body 1, a hollow cavity 15 is arranged on the coil former 11, the hollow cavity 15 is the hollow part of the inductance component 6, and the inner core 8 is arranged in the hollow cavity 15. The coil 12 is wound on the bobbin 11 and is electrically connected to an external power source. When energized, the coil 12 produces a magnetic induction line, thereby magnetizing the inner core 8. The coil 12 is coated with an insulating layer on the outer surface. The metal shell 13 is sleeved on the coil frame 11, and the metal shell 13 is used for wrapping the coil 12 and enhancing the intensity of magnetic force lines generated by the coil 12.
As shown in fig. 1 to 4, in the present embodiment, a concave portion 17 is provided in the middle of the bobbin 11, and the bobbin 11 is shaped like an "i" as a whole, and the coil 12 is wound around the concave portion 17. The bottom end of the coil frame 11 has the same size as the outer size of the pump body 1, thereby ensuring the overall aesthetic property of the micro pump. The inner core 8 and the magnetic metal block 7 are made of iron. The elastic piece 9 is a spring, and the spring and the magnetic metal block 7 and the spring and the inner core 8 are fixed in an inserting way. The magnetic metal block 7 is provided with mounting holes 18.
The transmission assembly 10 includes: a drive head 19, a drive rod 20 and a drive block 36. The drive head 19 is slidably mounted in the receiving groove 3. The drive rod 20 is partially received in the mounting hole 18 and is slidable along the axis of the mounting hole 18. One end of the transmission rod 20 is fixedly assembled with the inner core 8, the other end of the transmission rod 20 is integrally formed with the driving head 19, and the transmission rod 20 is used for transmitting the movement of the inner core 8 to the driving head 19, so that the driving head 19 and the inner core 8 synchronously move. The drive block 36 is mounted on one end to the drive head 19 on the side adjacent to the diaphragm member 34 and on the other end to the diaphragm member 34. The driving block 36 moves synchronously with the driving head 19, so that the diaphragm member 34 is elastically deformed.
In other embodiments, the material of the inner core 8 and the magnetic metal block 7 may be any of cobalt, nickel, complex, and cast steel. The elastic member 9 may also be a spring block or a spring plate. The assembly relation between the spring and the magnetic metal block 7 and the assembly relation between the spring and the inner core 8 can be welding, clamping and fixing and the like. The assembly relationship between the transmission rod 20 and the driving head 19 can also be plug-in fixing, welding forming, clamping fixing, screw thread assembly and the like.
As shown in fig. 1 to 4, the pump body 1 includes: top case 21, main case 22, valve plate 24, diaphragm 34, and valve plate 25. The feeding nozzle 5 and the discharging nozzle 4 are arranged on one side of the top shell 21 far away from the driving device 2. The main casing 22 is fixedly assembled with the top casing 21, and the accommodating groove 3 is provided inside the main casing 22. The valve plate 24 is arranged on one side of the main shell 22, which is close to the top shell 21, and the valve plate 24 is provided with a feed inlet 26 and a discharge outlet 27. The valve plate 24 is used for feeding material into and out of the receiving cavity 35. A mounting groove 30 is formed in the main casing 22 at a side close to the top casing 21, the mounting groove 30 is communicated with the accommodating groove 3, and the valve plate 24 is mounted in the mounting groove 30. The valve block 25 is arranged between the valve plate 24 and the top shell 21, the valve block 25 is used for controlling the opening or closing of the feed inlet 26 and the opening or closing of the discharge outlet 27, and the valve block 25 is provided with a discharge baffle 28 used for controlling the opening or closing of the discharge outlet 27 and a feed baffle 29 used for controlling the opening or closing of the feed inlet 26. The diaphragm member 34 is mounted in the receiving groove 3 of the main casing 22. The diaphragm member 34 is adapted to be elastically deformed during operation of the micropump, thereby changing the volume of the receiving cavity 35.
In this embodiment, as shown in fig. 1 to 4, the feeding nozzle 5 and the discharging nozzle 4 are integrally formed with the top case 21, and the feeding nozzle 5 and the discharging nozzle 4 are used for connecting with an external pipe. The top case 21, the main case 22 and the bobbin 11 are fixedly assembled by three fastening bolts 16, and the valve plate 24, the valve plate 25, the diaphragm member 34 and the magnetic metal block 7 are clamped and fixed while the top case 21, the main case 22 and the bobbin 11 are fixed. The main shell 22 is provided with a positioning block 32, the top shell 21 is provided with a positioning groove 33, and when the main shell 22 and the top shell 21 are assembled, the positioning block 32 and the positioning groove 33 are matched with each other to position, and then the positioning block is fixed through three fastening bolts 16. In other embodiments, the feed nozzle 5 and the discharge nozzle 4 are both threadedly mounted to the top shell 21.
The working principle of the present embodiment is approximately as follows: when the micropump is used, the coil 12 is electrified firstly, a magnetic induction line is generated after the coil 12 is electrified, then the inner core 8 arranged in the hollow cavity 15 is magnetized by the magnetic induction line, so that the inner core 8 moves towards one side of the magnetic metal block 7 under the action of magnetic force, the elastic piece 9 is extruded in the moving process until the inner core 8 is adsorbed on the magnetic metal block 7, the movement is transmitted to the driving head 19 through the transmission rod 20 while the inner core 8 moves, the driving head 19 drives the driving block 36 to move, so that the driving block 36 moves towards the valve plate 24 side, the acting volume of the accommodating cavity 35 is compressed, the pressure in the accommodating cavity 35 is increased, the material in the accommodating cavity 35 is extruded towards the discharge port 27 side of the valve plate 24, and the discharge blocking piece 28 on the valve plate 25 is opened under the extrusion effect of the material, so that the material is discharged from the discharge port 4; then the coil 12 is powered off to enable the inner core 8 to lose magnetism, at the moment, the compressed elastic piece 9 is restored to be long due to self elasticity, so that the inner core 8 is driven to move to the side far away from the magnetic metal block 7 until the inner core 8 is restored to the initial position, in the process of restoring the inner core 8 to the initial position, the driving head 19 and the driving block 36 are driven to move to the side far away from the valve plate 24 through the transmission rod 20, so that the acting volume of the containing cavity 35 is increased, when negative pressure is formed in the containing cavity 35, the material at the feeding hole 26 is extruded under the action of atmospheric pressure, the feeding baffle 29 on the valve plate 25 is opened, so that the material is injected into the containing cavity 35 from the feeding hole 5, and thus, the function of the micro pump is realized through the reciprocating motion of the driving head 19.
Embodiment two: the micropump of the present embodiment is a piston micropump, and the difference between the present embodiment and the first embodiment is mainly that, in the present embodiment, the housing cavity 35 is enclosed by the pump body 1 and the driving head 19. The diaphragm member 34 and the driving block 36 are not arranged in the pump body 1, but slide in the accommodating groove 3 directly through the driving head 19, so that the volume of the accommodating cavity 35 is changed, and the extraction and discharge of materials are realized.
As shown in fig. 5-8 in particular, in order to ensure tightness of the assembly between the valve plate 24 and the inner wall of the receiving tank 3, and at the same time, to ensure the service life of the drive head 19 and the main housing 22, a wear-resistant seal 23 is provided between the valve plate 24 and the wall of the receiving tank 3. In order to ensure the tightness of the assembly between the valve plate 24 and the mounting groove 30, a seal ring 31 is provided between the valve plate 24 and the groove bottom of the mounting groove 30.
The coil former 11 is provided with a groove 14, the pump body 1 is provided with a bump, when the coil former 11 is assembled with the pump body 1, the coil former 11 and the pump body 1 are positioned through the mutual matching of the bump and the groove 14, and then are locked through the fastening bolt 16.
The above description is only for the purpose of illustrating the technical solution of the present invention and not for the purpose of limiting the same, and other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (7)
1. An electromagnetically driven micropump comprising: pump body (1), be provided with the holding tank in pump body (1), be provided with feed inlet (5) and discharge nozzle (4) and drive arrangement (2) on pump body (1), a serial communication port, be provided with diaphragm spare (34) in pump body (1), diaphragm spare (34) with pump body (1) enclose and establish into holding cavity (35) in order to hold the material, drive arrangement (2) set up in keep away from feed inlet (5) one side on pump body (1), drive arrangement (2) are used for driving hold cavity (35) and produce volume variation, drive arrangement (2) include:
the hollow inductance component (6) is fixedly assembled with the pump body (1) and is used for generating magnetic force when being electrified and losing magnetic force when being disconnected;
a magnetic metal block (7) which is inserted and assembled with one side of the inductance component (6) close to the pump body (1) and is partially inserted into the hollow part of the inductance component (6);
an inner core (8) which is arranged in the hollow part of the inductance component (6) and can slide relative to the inductance component (6), is magnetized to generate magnetic force to be adsorbed on the magnetic metal block (7) when the inductance component (6) is electrified, and is desorbed with the magnetic metal block (7) when the inductance component (6) is powered off;
an elastic piece (9) which is arranged between the magnetic metal block (7) and the inner core (8), one end of which is fixedly assembled with the magnetic metal block (7), and the other end of which is fixedly assembled with the inner core (8), and is used for providing restoring force for resetting the inner core (8) when the inductance assembly (6) is powered off; the method comprises the steps of,
a transmission assembly (10) with one part fixedly assembled with the diaphragm member (34) and the other part fixedly assembled with the inner core (8) through the magnetic metal block (7), and synchronously moves along with the inner core (8) when the inner core (8) slides so as to elastically deform the diaphragm member (34) and change the volume of the accommodating cavity (35); the inductance assembly (6) includes: a coil rack (11) fixedly assembled with the pump body (1), wherein a hollow cavity (15) is arranged on the coil rack (11), and the inner core (8) is arranged in the hollow cavity (15); the inner core (8) and the magnetic metal are made of any one of iron, cobalt, nickel, complex and cast steel;
a coil (12) which is wound on the coil frame (11) and is electrically connected with an external power supply, generates magnetic lines of force to magnetize the inner core (8) when being electrified, and is coated with an insulating layer on the outer surface; the method comprises the steps of,
a metal casing (13) sleeved on the coil frame (11) and used for wrapping the coil (12) and enhancing the intensity of magnetic force lines generated by the coil (12); the middle part of the coil rack (11) is provided with a concave part (17), and the coil (12) is wound on the concave part (17).
2. The electromagnetic driven micropump according to claim 1, characterized in that the elastic member (9) is any one of a spring, a spring block, a shrapnel.
3. The electromagnetic driven micropump according to claim 2, characterized in that the magnetic metal block (7) is provided with a mounting hole (18), the transmission assembly (10) comprising:
a drive head (19) slidably mounted in the accommodation groove (3);
a transmission rod (20) which is partially accommodated in the mounting hole (18) and can slide along the axis of the mounting hole (18), one end of which is fixedly assembled with the inner core (8), and the other end of which is integrally formed with the driving head (19) and is used for transmitting the movement of the inner core (8) to the driving head (19); the method comprises the steps of,
and a driving block (36) which is assembled with one end of the driving head (19) near one side of the diaphragm piece (34) and the other end of the driving block is assembled with the diaphragm piece (34) and can synchronously move along with the driving head (19).
4. An electromagnetically driven micropump according to claim 3, characterised in that said pump body (1) comprises: the feeding nozzle (5) and the discharging nozzle (4) are arranged on one side, far away from the driving device (2), of the top shell (21);
a main casing (22) fixedly assembled with the top casing (21), the accommodating groove (3) being provided in the main casing (22);
the valve plate (24) is arranged on the main shell (22) and positioned between the main shell (22) and the top shell (21), a feed inlet (26) and a discharge outlet (27) are arranged on the valve plate (24), and the valve plate (24) is used for feeding materials into and out of the accommodating cavity (35);
a valve plate (25) arranged between the valve plate (24) and the top shell (21) and used for controlling the opening or closing of the feed inlet (26) and the opening or closing of the discharge outlet (27), wherein a discharge baffle (28) used for controlling the opening or closing of the discharge outlet (27) and a feed baffle (29) used for controlling the opening or closing of the feed inlet (26) are arranged on the valve plate (25); the method comprises the steps of,
and a diaphragm member (34), wherein the diaphragm member (34) is mounted on the main casing (22), and the diaphragm member (34) is used for deforming to change the volume of the accommodating cavity (35) when the micro pump works.
5. The electromagnetic driven micropump according to claim 4, characterized in that the top casing (21), the main casing (22) and the coil former (11) are fixedly assembled by fastening bolts (16) to clamp and fix the valve plate (24), the valve plate (25), the diaphragm member (34) and the magnetic metal block (7).
6. The electromagnetic driven micropump according to claim 5, characterized in that a mounting groove (30) is provided on the main casing (22) at a side close to the top casing (21), the mounting groove (30) is communicated with the accommodating groove (3), and the valve plate (24) is mounted in the mounting groove (30).
7. The electromagnetically driven micropump according to any one of claims 4-6, characterised in that said inlet mouth (5) and said outlet mouth (4) are both integrally formed with said top casing (21), said inlet mouth (5) and said outlet mouth (4) being intended to be connected with external pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910309991.4A CN109854488B (en) | 2019-04-17 | 2019-04-17 | Electromagnetic driving micropump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910309991.4A CN109854488B (en) | 2019-04-17 | 2019-04-17 | Electromagnetic driving micropump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109854488A CN109854488A (en) | 2019-06-07 |
| CN109854488B true CN109854488B (en) | 2024-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910309991.4A Active CN109854488B (en) | 2019-04-17 | 2019-04-17 | Electromagnetic driving micropump |
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| CN102062070A (en) * | 2010-03-30 | 2011-05-18 | 苏州派格力减排系统有限公司 | Plunger type metering ejector pump for emission reduction system |
| CN102797667A (en) * | 2012-09-01 | 2012-11-28 | 安徽理工大学 | Micro-pump based on super-magnetostrictive film driver |
| CN106762567A (en) * | 2017-01-14 | 2017-05-31 | 东莞市聚瑞电气技术有限公司 | A kind of electromagnet constant displacement pump |
| CN206903842U (en) * | 2017-01-14 | 2018-01-19 | 东莞市聚瑞电气技术有限公司 | A kind of valve-embedded electromagnetic quantitative pump |
| CN207406467U (en) * | 2017-09-22 | 2018-05-25 | 余姚福骏电器有限公司 | A kind of Electromagnetic water pump |
| CN209761690U (en) * | 2019-04-17 | 2019-12-10 | 深圳市博威克斯科技有限公司 | Electromagnetic drive type micropump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011003461A1 (en) * | 2011-02-01 | 2012-08-02 | Robert Bosch Gmbh | Diaphragm pump and exhaust aftertreatment system with a diaphragm pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062070A (en) * | 2010-03-30 | 2011-05-18 | 苏州派格力减排系统有限公司 | Plunger type metering ejector pump for emission reduction system |
| CN102797667A (en) * | 2012-09-01 | 2012-11-28 | 安徽理工大学 | Micro-pump based on super-magnetostrictive film driver |
| CN106762567A (en) * | 2017-01-14 | 2017-05-31 | 东莞市聚瑞电气技术有限公司 | A kind of electromagnet constant displacement pump |
| CN206903842U (en) * | 2017-01-14 | 2018-01-19 | 东莞市聚瑞电气技术有限公司 | A kind of valve-embedded electromagnetic quantitative pump |
| CN207406467U (en) * | 2017-09-22 | 2018-05-25 | 余姚福骏电器有限公司 | A kind of Electromagnetic water pump |
| CN209761690U (en) * | 2019-04-17 | 2019-12-10 | 深圳市博威克斯科技有限公司 | Electromagnetic drive type micropump |
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| CN109854488A (en) | 2019-06-07 |
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