CN217501938U

CN217501938U - Diaphragm pump and series-parallel connection mixed fluid channel module thereof

Info

Publication number: CN217501938U
Application number: CN202220616354.9U
Authority: CN
Inventors: 颜宏
Original assignee: Xiamen Conjoin Electronics Technology Co ltd
Current assignee: Xiamen Conjoin Electronics Technology Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-09-27
Anticipated expiration: 2032-03-21

Abstract

The utility model relates to a diaphragm pump and series-parallel connection mix fluid channel module thereof, including apron (11) and disk seat, and design in first fluid import, second fluid import and mixed fluid export on the apron, still including setting up first fluid import chamber, second fluid import chamber and the mixed fluid export chamber that forms by apron and disk seat lock seal in the inside cavity of fluid channel module, first fluid import chamber set up a plurality of first fluid disk seat inlet holes and correspond respectively mix the first fluid that sets up in the fluid export chamber and mix the disk seat export, second fluid import chamber sets up second fluid disk seat inlet hole and corresponds to the second fluid that sets up mixes the disk seat export in the mixed fluid export chamber. Through the structure of parallel structure intercommunication first fluid water and the structure of serial structure intercommunication second fluid air, reinforcing air pressure realizes in aqueous vapor mixing diaphragm pump that aqueous vapor effectively mixes.

Description

Diaphragm pump and series-parallel connection mixed fluid channel module thereof

Technical Field

The utility model relates to a micropump device, concretely relates to have the miniature diaphragm pump of series connection and parallelly connected mixed fluid passageway, especially a diaphragm pump and the mixed fluid passageway module of series connection and parallelly connected thereof.

Background

In the micro diaphragm pump, the fluid serial circulation and parallel circulation structures of the diaphragm capsules have advantages and disadvantages, such as stronger pumping pressure of the serial diaphragm pump and larger flow of the parallel diaphragm pump. Generally, in design, the overall product of the diaphragm capsule needs to be designed into one of a serial structure or a parallel structure according to the functional requirements of the product design.

The miniature diaphragm pump has wide application, and many application occasions need the mixture of two kinds of fluids, for example in the cleaning system of intelligent closestool, the mixed gas can promote the washing effect. It is known that the mixing of air into water is considerably influenced by the air pressure in addition to the temperature. Under normal conditions, the temperature in the atmosphere is in a normal temperature state, the mixing influence on water and air is in a stable state, and the pressure influence degree of gas can improve the water-air mixing effect. At present, a water-gas mixing pump on the market is only suitable for no-load or low back pressure, the load of the water-gas mixing pump exceeds 50kPa, a better gas mixing function cannot be realized, and the use scene is limited.

To above shortcoming problem, the utility model discloses a following technical scheme improves.

Disclosure of Invention

The utility model aims at providing a diaphragm pump and series-parallel connection mix fluid channel module thereof, the disclosed technical scheme as follows:

a series-parallel mixed fluid channel module comprises a cover plate (11) and a valve seat (12), and a first fluid inlet (15), a second fluid inlet (16) and a mixed fluid outlet (17) which are formed on the cover plate (11), it is characterized by also comprising a first fluid inlet cavity (21), a second fluid inlet cavity (22) and a mixed fluid outlet cavity (23) which are arranged in the inner cavity of the fluid channel module and are formed by buckling and sealing a cover plate (11) and a valve seat (12), the first fluid inlet chamber (21) is provided with a plurality of first fluid valve seat inlet holes (211, 212) which respectively correspond to first fluid mixing valve seat outlets (231, 232) arranged in the mixed fluid outlet chamber (23), the second fluid inlet chamber (22) is provided with a second fluid valve seat inlet hole (221) corresponding to a second fluid mixing valve seat outlet (233) provided in the mixed fluid outlet chamber (23).

The device also comprises a serial channel cavity (24) arranged in the second fluid inlet cavity (22), the first fluid valve seat inlet holes (211 and 212) and the first fluid mixing valve seat outlets (231 and 232) are arranged in a parallel connection type structure in the same connection mode, and the second fluid valve seat inlet hole (221) forms a serial connection type structure through the serial channel inlet hole (241) arranged in the serial channel cavity (24) corresponding to the second fluid mixing valve seat outlet (233).

The parallel structure is connected with a plurality of diaphragm capsules in parallel to form parallel fluid channels which are in and out at the same time, and the serial structure is connected with a plurality of diaphragm capsules in series to form serial fluid channels which are in one-way serial circulation.

Further, the first fluid valve seat inlet holes (211, 212) and the first fluid mixing valve seat outlets (231, 232) are arranged in a two-group parallel structure, and after the second fluid valve seat inlet hole (221) and the series channel inlet hole (241) are arranged in a two-hole series connection structure, the fluids formed in the mixed fluid outlet chamber (23) are mixed corresponding to the second fluid mixing valve seat outlet (233) and the first fluid mixing valve seat outlets (231, 232).

Further, the first fluid valve seat inlet hole (211, 212), the second fluid valve seat inlet hole (221) and the series passage inlet hole (241) are all provided with an umbrella-shaped one-way valve (121).

Furthermore, the first fluid mixing valve seat outlets (231, 232) and the second fluid mixing valve seat outlet (233) are provided with check valve plates (122).

Further, the first fluid is water, and the second fluid is air. The air and water are mixed, and because the specific gravity density of the water and the air is different, certain pressure, particularly the pressure of the air, is required for the mixing to achieve the effect of mixing the water and the air. The utility model discloses in, the structure that water used the parallel increases the flow, and the air uses the structure of serial-type, increases atmospheric pressure, reaches good mixed effect.

The utility model discloses still disclose a diaphragm pump, including outlet cover plate (11), disk seat (12), diaphragm device (13) and drive arrangement (14), outlet cover plate (11) sets up first fluid import (15), second fluid import (16) and mixed fluid export (17), diaphragm device (13) is including diaphragm (131) and the diaphragm seat (132) of corresponding assembly diaphragm that set up a plurality of first fluid diaphragm bag (1311) and second fluid diaphragm bag (1312, 1313), its characterized in that is sealed by apron (11) and disk seat (12) lock first fluid import chamber (21), second fluid import chamber (22) and mixed fluid export chamber (23) that form, first fluid import chamber (21) set up a plurality of first fluid valve seat inlet holes (211, 212) and correspond respectively first fluid mixed valve seat export (231, 212) that set up in mixed fluid export chamber (23), 232) The second fluid inlet chamber (22) is provided with a second fluid valve seat inlet hole (221) corresponding to a second fluid mixing valve seat outlet (233) provided in the mixed fluid outlet chamber (23).

Wherein a series channel chamber (24) is provided in the second fluid inlet chamber (22), the first fluid valve seat inlet holes (211, 212) and the first fluid mixing valve seat outlet holes (231, 232) are provided to form and couple a plurality of first fluid diaphragm capsules (1311); the second fluid valve seat inlet orifice (221) is correspondingly communicated with the second fluid mixing valve seat outlet orifice (233) through a serial channel inlet orifice (241) arranged in a serial channel cavity (24), and a plurality of second fluid diaphragm capsules (1312, 1313) are arranged and connected in series.

Further, the first fluid valve seat inlet orifices (211, 212) and the first fluid mixing valve seat outlet orifices (231, 232) are arranged in two sets of parallel-connected configurations connecting two first fluid membrane bladders (1311), the second fluid valve seat inlet orifices (221) and the series channel inlet orifices (241) are arranged in two orifices in series-connected configurations connecting two second fluid membrane bladders (1312, 1313), corresponding to the second fluid mixing valve seat outlet orifices (233) and the first fluid mixing valve seat outlet orifices (231, 232), forming a mixing of the fluids in the mixing fluid outlet chamber (23).

Further, the first fluid is water, and the second fluid is air. In a relatively optimized design, the number of the diaphragm bags for water flow of the parallel channels is two, the number of the diaphragm bags for air pressure increase, which are communicated in series, is also two, the flow of water is increased in the parallel structure, and the water with the series-communicated pressure-enhanced air mixed large flow is better accommodated.

According to the technical scheme, the utility model discloses following beneficial effect has:

the utility model relates to a diaphragm pump and a series-parallel connection mixed fluid channel module thereof, which adopts a parallel connection structure to communicate with a first fluid water structure and a series connection structure to communicate with a second fluid air structure, thereby enhancing the air pressure and realizing the effective mixing of water and air in a water-air mixed diaphragm pump; the utility model realizes the control requirement of air on the flow rate on the basis of realizing the pressure of the serial structure and the design of the parallel structure of water;

two, the utility model discloses diaphragm pump and series-parallel connection mix fluid channel module thereof is watered through the parallelly connected suction of two diaphragm bags, and two diaphragm bags are established ties the suction and are inflated, realize can be under 0~150 kPa's big pressure, stabilize sufficient effect of air-mixing air and water, solved as in the background art present miniature diaphragm pump product hardly carry out the problem of the effective mixture of aqueous vapor in the normal condition.

In the series-parallel mixed fluid channel module, in the adopted series valve structure, the second umbrella valve is both the air outlet valve of the first diaphragm capsule and the air inlet valve of the second diaphragm capsule, so that the volume is saved; two diaphragm bags are connected in series, the air tightness can be better in design, different diaphragm convex lips are adopted at the outlet, the air tightness of the inflating small hole is good, two large holes of the inflating water are not sticky easily, different sealing structures are designed separately because the air tightness requirements of the inflating water and the inflating water are different, the air tightness is good, the gas pressure is effectively guaranteed, and the better mixing effect is achieved.

Drawings

FIG. 1 is a schematic view of the overall structure of the pump according to the preferred embodiment of the present invention;

FIG. 2 is an exploded view of the pump structure according to the preferred embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of the internal structure A-A of the pump according to the preferred embodiment of the present invention;

FIG. 4 is an exploded view of the flow direction of the fluid in the flow channel module according to the preferred embodiment of the present invention;

FIG. 5 is an exploded view of the fluid flow direction in the fluid channel module according to the preferred embodiment of the present invention;

FIG. 6 is an exploded view of the upper and lower fastening structures of the cover plate and the valve seat of the fluid passage module according to the preferred embodiment of the present invention;

FIG. 7 is a schematic top view of a valve seat structure according to a preferred embodiment of the present invention;

FIG. 8 is a schematic bottom view of the valve seat structure according to the preferred embodiment of the present invention;

FIG. 9 is a partial schematic view B-B of a cross-sectional A-A view of the pump according to the preferred embodiment of the present invention;

fig. 10 shows a series-parallel connection mixed fluid check valve structure according to the preferred embodiment of the present invention.

In the figure, a pump 10, an outlet cover plate 11, a valve seat 12, a diaphragm device 13, a driving device 14, a first fluid inlet 15, a second fluid inlet 16, a mixed fluid outlet 17;

valve plate 121, umbrella valve 122;

a diaphragm 131, a diaphragm seat 132, a first fluid diaphragm bladder 1311, a second

fluid diaphragm bladder

1312, 1313;

a first fluid inlet chamber 21, first fluid valve

seat inlet orifices

211, 212, a second fluid inlet chamber 22, a second fluid valve seat inlet orifice 221, a mixed fluid outlet chamber 23, first fluid mixing

valve seat outlets

231, 232, a second fluid mixing valve seat outlet 233, a series passage chamber 24, a series passage inlet orifice 241, a series passage outlet 242.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

As shown in fig. 1 to 5, a series-parallel mixed fluid channel module includes a cover plate 11 and a valve seat 12, and a first fluid inlet 15, a second fluid inlet 16 and a mixed fluid outlet 17 designed on the cover plate 11, and further includes a first fluid inlet chamber 21, a second fluid inlet chamber 22 and a mixed fluid outlet chamber 23 formed by the cover plate 11 and the valve seat 12 being snap-sealed and disposed in an internal cavity of the fluid channel module, the first fluid inlet chamber 21 is provided with a plurality of first fluid valve

seat inlet holes

211, 212 respectively corresponding to first fluid mixed

valve seat outlets

231, 232 disposed in the mixed fluid outlet chamber 23, and the second fluid inlet chamber 22 is provided with a second fluid valve seat inlet hole 221 corresponding to a second fluid mixed valve seat outlet 233 disposed in the mixed fluid outlet chamber 23.

As shown in fig. 6 to 9, the fluid mixing valve further includes a serial channel chamber 24 disposed in the second fluid inlet chamber 22, the first fluid valve

seat inlet holes

211 and 212 and the first fluid mixing

valve seat outlets

231 and 232 are disposed in a parallel connection structure, and the second fluid valve seat inlet hole 221 is formed in a serial connection structure corresponding to the second fluid mixing valve seat outlet 233 through a serial channel inlet hole 241 disposed in the serial channel chamber 24. The parallel structure is connected with a plurality of diaphragm capsules in parallel to form parallel fluid channels which are in and out at the same time, and the serial structure is connected with a plurality of diaphragm capsules in series to form serial fluid channels which are in one-way serial circulation.

As shown in fig. 6, the first fluid valve

seat inlet ports

211, 212 and the first fluid mixing valve

seat outlet ports

231, 232 are arranged in a two-set parallel type configuration, and after the second fluid valve seat inlet port 221 and the series passage inlet port 241 are arranged in a two-port series type configuration, the fluids formed in the mixed fluid outlet chamber 23 are mixed corresponding to the second fluid mixing valve seat outlet port 233 and the first fluid mixing valve

seat outlet ports

231, 232.

As shown in fig. 4 and 5, the first fluid

seat inlet orifice

211, 212, the second fluid seat inlet orifice 221, and the series passage inlet orifice 241 are each provided with an umbrella check valve 121.

As shown in fig. 4 and 5, the first fluid mixing

valve seat outlets

231, 232 and the second fluid mixing valve seat outlet 233 are provided with the check valve plate 122.

As shown in fig. 4 and 5, the fluid flow pattern is that the first fluid is water, the second fluid is air, the direction shown by the solid arrows is the water flow, and the direction shown by the dashed arrows is the air flow. Water enters the first fluid chamber 21 from the first fluid inlet 15 of the diaphragm pump cover plate 11, passes through the umbrella-shaped check valves of the first fluid valve

seat inlet holes

211 and 212 of the valve seat 12, enters the two first fluid diaphragm bags 1311, is pushed into the mixed fluid outlet chamber 23 from the first fluid mixing

valve seat outlets

231 and 232 after being sucked by the diaphragm, and the two first fluid diaphragm bags 1311 form a parallel connection structure with the inlet and the outlet; air enters the second fluid chamber 22 from a second fluid inlet 16 (which can be generally set as a small air inlet) of the diaphragm pump cover plate 11, enters one of the second fluid diaphragm bags 1312 from a second fluid valve seat inlet hole 221, passes through the series channel outlet 242, flows through the series channel chamber 24, enters the second fluid diaphragm bag 1313 through the series channel inlet hole 241, and then enters the mixed fluid outlet chamber 23 from the second fluid mixing valve seat outlet 233 to form a series connection structure of the two second

fluid diaphragm bags

1312 and 1313; effective mixing of air and water is achieved. Because of the difference in specific gravity and density between water and air, it is generally necessary to mix air into water under a certain pressure, especially the atmospheric pressure of air, to achieve the effect of mixing water with air. The utility model discloses in, the structure that water used the parallel increases the flow, and the air uses the structure of serial-type, increases atmospheric pressure, reaches good mixed effect.

As shown in fig. 2, a membrane pump comprises an outlet cover plate 11, a valve seat 12, a membrane device 13 and a driving device 14, the outlet cover plate 11 is provided with a first fluid inlet 15, a second fluid inlet 16 and a mixed fluid outlet 17, the membrane device 13 comprises a plurality of first fluid membrane bladders 1311 and second

fluid membrane bladders

1312, 1313 and a diaphragm seat 132 correspondingly fitted with the diaphragm, a first fluid inlet chamber 21, a second fluid inlet chamber 22 and a mixed fluid outlet chamber 23 formed by snap-sealing the cover plate 11 and the valve seat 12, the first fluid inlet chamber 21 being provided with a plurality of first fluid valve

seat inlet holes

211, 212 respectively corresponding to first fluid mixed

valve seat outlets

231, 232 arranged in the mixed fluid outlet chamber 23, and the second fluid inlet chamber 22 being provided with a second fluid valve seat inlet hole 221 corresponding to a second fluid mixed valve seat outlet 233 arranged in the mixed fluid outlet chamber 23.

As shown in fig. 6-9, further comprising a series channel chamber 24 disposed within the second fluid inlet chamber 22, the first fluid valve

seat inlet orifices

211, 212 and the first fluid mixing

valve seat outlets

231, 232 are disposed to form and couple a number of first fluid membrane bladders 1311; the second fluid valve seat inlet orifice 221 is correspondingly communicated with the second fluid mixing valve seat outlet 233 through a series passage inlet orifice 241 provided in the series passage chamber 24, provided to form a series connection of several second

fluid diaphragm capsules

1312, 1313.

As shown in fig. 5, the first fluid valve

seat inlet ports

211, 212 and the first fluid mixing valve

seat outlet ports

231, 232 are arranged in two sets of parallel type configurations connecting two first fluid diaphragm bladders 1311, the second fluid valve seat inlet port 221 and the series passage inlet port 241 are arranged in two ports in series connected type configurations connecting two second

fluid diaphragm bladders

1312, 1313, and the mixing of the fluids formed in the mixed fluid outlet chamber 23 corresponds to the second fluid mixing valve seat outlet port 233 and the first fluid mixing valve

seat outlet ports

231, 232.

As shown in fig. 5 and 6, the first fluid

seat inlet orifices

As shown in fig. 4 and 5, the first fluid mixing

valve seat outlets

And as shown in fig. 6-9, the fluid flow direction is schematic, the first fluid being water and the second fluid being air. In a relatively optimized design, the number of the diaphragm bags for water flow of the parallel channels is two, the number of the diaphragm bags for air pressure increase, which are communicated in series, is also two, the flow of water is increased in the parallel structure, and the water with the series-communicated pressure-enhanced air mixed large flow is better accommodated.

And, as shown in fig. 10, a micropump with series-parallel connection mixed fluid one-way valve structure, including an outlet cover plate 11, a valve seat 12, a diaphragm device 13 and a driving device 14, where the outlet cover plate 11 is provided with a first fluid inlet 15, a second fluid inlet 16 and a mixed fluid outlet 17, the cover plate 11 and the valve seat 12 are buckled and sealed to form a first fluid inlet chamber 21, a second fluid inlet chamber 22 and a mixed fluid outlet chamber 23, and is characterized in that the mixed fluid outlet chamber 23 is provided with a first fluid mixed

valve seat outlet

231, 232 corresponding to the first fluid parallel connection and a second fluid mixed valve seat outlet 233 corresponding to the second fluid serial connection, which are fluid mixed, and a valve sheet 121 correspondingly and cooperatively arranged.

The aperture D2 of the first fluid mixing

seat outlet

231, 232 is larger than the aperture D1 of the second fluid mixing seat outlet 233. The small aperture forms a large fluid pressure, the mixing of air requires a large gas pressure, however, the viscosity of gas and liquid is different, and the aperture of water needs to be properly large to prevent the valve diaphragm from being bonded with the valve seat outlet platform to cause flow control errors.

As shown in fig. 10, the second fluid mixing seat outlet 233 is disposed with a distance L1 between the two circular rings in the plane of the annular lip that is greater than the distance L2 between the two circular rings in the plane of the annular lip of the first fluid mixing

seat outlets

231, 232. Two different annular convex lip platform surfaces are formed, so that the transverse distance between the two different annular convex lip platform surfaces and the plane of the contact boss of the valve plate is different, and the opening force for opening the valve plate is determined by the distance of the contact surface, namely different pressures of formed fluid are determined.

The above is one of the embodiments of the present invention. Furthermore, it should be noted that all equivalent or simple changes made by the structures, characteristics and principles described in the patent conception are included in the protection scope of the patent.

Claims

1. A series-parallel mixed fluid channel module comprises a cover plate (11) and a valve seat (12), and a first fluid inlet (15), a second fluid inlet (16) and a mixed fluid outlet (17) which are formed on the cover plate (11), it is characterized by also comprising a first fluid inlet cavity (21), a second fluid inlet cavity (22) and a mixed fluid outlet cavity (23) which are arranged in the inner cavity of the fluid passage module and are formed by buckling and sealing a cover plate (11) and a valve seat (12), the first fluid inlet chamber (21) is provided with a plurality of first fluid valve seat inlet holes (211, 212) which respectively correspond to first fluid mixing valve seat outlets (231, 232) arranged in the mixed fluid outlet chamber (23), the second fluid inlet chamber (22) is provided with a second fluid valve seat inlet hole (221) corresponding to a second fluid mixing valve seat outlet (233) provided in the mixed fluid outlet chamber (23);

2. A series-parallel mixed fluid channel module according to claim 1, wherein the first fluid valve seat inlet port (211, 212) and the first fluid mixing valve seat outlet port (231, 232) are arranged in a two-set parallel configuration, and the second fluid valve seat inlet port (221) and the series channel inlet port (241) are arranged in a two-hole series configuration, and then the fluid mixing in the mixed fluid outlet chamber (23) is formed corresponding to the second fluid mixing valve seat outlet port (233) and the first fluid mixing valve seat outlet port (231, 232).

3. A series-parallel hybrid fluid channel module according to claim 1, wherein the first fluid seat inlet port (211, 212), the second fluid seat inlet port (221), and the series channel inlet port (241) are each provided with an umbrella check valve (121).

4. A series-parallel mixed fluid channel module according to claim 1, wherein the first fluid mixing valve seat outlet (231, 232) and the second fluid mixing valve seat outlet (233) are provided with check valve plates (122).

5. The series-parallel hybrid fluid channel module of claim 1, wherein the first fluid is water and the second fluid is air.

6. A diaphragm pump comprising an outlet cover plate (11), a valve seat (12), a diaphragm device (13) and a driving device (14), wherein the outlet cover plate (11) is provided with a first fluid inlet (15), a second fluid inlet (16) and a mixed fluid outlet (17), the diaphragm device (13) comprises a diaphragm (131) provided with a plurality of first fluid diaphragm bags (1311) and second fluid diaphragm bags (1312, 1313) and a diaphragm seat (132) correspondingly provided with the diaphragm, and is characterized in that the first fluid inlet chamber (21), the second fluid inlet chamber (22) and the mixed fluid outlet chamber (23) are formed by buckling and sealing the cover plate (11) and the valve seat (12), and the first fluid inlet chamber (21) is provided with a plurality of first fluid inlet holes (211, 212) respectively corresponding to a first fluid mixed valve seat outlet (231, 212) arranged in the mixed fluid outlet chamber (23) 232) -said second fluid inlet chamber (22) is provided with a second fluid valve seat inlet aperture (221) corresponding to a second fluid mixing valve seat outlet (233) provided in said mixed fluid outlet chamber (23);

7. A diaphragm pump according to claim 6, characterized in that the first fluid valve seat inlet port (211, 212) and the first fluid mixing valve seat outlet port (231, 232) are arranged as two sets of parallel connecting structures connecting two first fluid membrane bladders (1311), and the second fluid valve seat inlet port (221) and the series channel inlet port (241) are arranged as two ports in series connecting structures connecting two second fluid membrane bladders (1312, 1313), corresponding to the second fluid mixing valve seat outlet port (233) and the first fluid mixing valve seat outlet port (231, 232), forming a mixing of the fluids in the mixing fluid outlet chamber (23).

8. A membrane pump according to claim 6, characterized in that the first fluid seat inlet opening (211, 212), the second fluid seat inlet opening (221), the series channel inlet opening (241) are provided with an umbrella-shaped check valve (121).

9. A membrane pump according to claim 6, characterized in that the first fluid mixing valve seat outlet (231, 232) and the second fluid mixing valve seat outlet (233) are provided with a check valve plate (122).

10. A diaphragm pump according to claim 6, wherein said first fluid is water and said second fluid is air.