JP2006329007A - Current control reciprocating fluid pressure feeding unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a current control reciprocating fluid pressure feeding unit capable of press-feeding fluid by a single magnet. <P>SOLUTION: A current control reciprocating fluid pressure feeding unit is equipped with a chamber, with a magnet, with a coil, with a first inlet and first outlet provided to one end of the chamber, with a second inlet and second outlet provided to the other end of the chamber, with a first valve membrane which is provided among the first inlet, first outlet and chamber and which is moved between a first position in which the first inlet is closed and the first outlet is not closed and a second position in which the first outlet is closed and the first inlet is not closed, and with a second valve membrane which is provided among the second inlet, second outlet and chamber and which is moved between a third position in which the second inlet is closed and the second outlet is not closed and a fourth position in which the second outlet is closed and the second inlet is not closed. When the magnet comes close to the first valve membrane, the first valve membrane and the second valve membrane are placed in the first position and the fourth position, respectively. When the magnet comes close to the second valve membrane, the first valve membrane and the second valve membrane are placed in the second position and the third position, respectively. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an apparatus for pumping fluid, and more particularly to a unit for pumping fluid by controlling reciprocating motion by electric current.

A conventional pump for pumping fluid has an impeller or piston attached in the middle of the tube, and the motor rotates the impeller or reciprocates the piston, whereby the fluid flows in circulation in the tube, Or transported elsewhere.
Conventional pumps require the use of high cost and high volume motors. In general, one pump device may be installed in a single tube system, or two tube systems may be connected to one pump device. In this case, a large number of on-off valves or reverse valves are connected to the tube system. It is necessary to install a stop valve, which increases the cost and is extremely inconvenient to use.

  The applicant of the present invention has proposed the device disclosed in Patent Document 1, but this device is provided with five magnets in one chamber, and a few through holes are opened in the chamber, In addition, any one magnet is reciprocally moved by a coil capable of changing the current direction, whereby two fluids are alternately pumped, which can be applied to a liquid refrigerant type or phase change type cooling system, Cold air drawn from the environment can be used as an endothermic refrigerant, and when installing the device, care must be taken that the five magnets face the same polarity.

US Pat. No. 6,364,003

A main object of the present invention is to provide a current-controlled reciprocating fluid pumping unit capable of pumping one fluid by a single magnet.
A further object of the present invention is to provide a current controlled reciprocating fluid pumping unit capable of pumping fluid in one tube system or fluids in two independent tube systems.
Another object of the present invention is to provide a current-controlled reciprocating fluid pumping unit that eliminates the need to install a large number of on-off valves or check valves in the middle of a tube system.

  In order to achieve the above object, the present invention provides a current controlled reciprocating fluid pumping unit having a predetermined length, a chamber having openings at both ends, a predetermined length, The shape corresponds to the shape of the inner periphery of the chamber, the magnet is slidably provided inside the chamber, and is provided outside the chamber, and is connected to one electric circuit, and the electric circuit is directional A coil for supplying a convertible current and driving the magnet back and forth; a first inlet and a second outlet provided at one end of the chamber; a second inlet provided at the other end of the chamber; A second outlet, a first position provided between the first inlet, the first outlet and the chamber, wherein the first inlet is closed and the first outlet is not closed; and the first outlet is closed. Close the first entrance A first valve membrane moved between a second position, a second inlet, a second outlet, and a chamber, wherein the second inlet is closed and the second outlet is not closed A second valve membrane that is moved between a third position and a fourth position that closes the second outlet and does not close the second inlet, and when the magnet is proximate to the first valve membrane, When the one valve membrane is located at the first position, the second valve membrane is located at the fourth position, and the magnet is close to the second valve membrane, the first valve membrane is located at the second position, The second valve membrane is located at the third position.

  According to the current controlled reciprocating fluid pressure feeding unit according to the present invention, one fluid can be pressure fed by one magnet, two inlets, two outlets, and two valve membranes. Moreover, the fluid in one tube system or the fluid in two independent tube systems can be pumped. Furthermore, it becomes unnecessary to install a large number of on-off valves or check valves in the middle of the tube system.

Preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings.
First, refer to FIG. The current controlled reciprocating fluid pumping unit according to the present invention includes a chamber 11, a magnet 12, a coil 13, a first inlet 14, a first outlet 15, a second inlet 16, a second outlet 17, One valve membrane 18 and a second valve membrane 19 are included.

The chamber 11 may have a predetermined length, an opening at both ends, and a tube.
The magnet 12 has a predetermined length, and an outer peripheral shape thereof corresponds to an inner peripheral shape of the chamber 11, and is slidably provided in the chamber 11.
The coil 13 is provided outside the chamber 11 and is connected to one electric circuit. The electric circuit supplies a direction changeable current to the coil 13 to drive the magnet 12 reciprocally.

The first inlet 14 and the first outlet 15 are provided at one end of the chamber 11.
The second inlet 16 and the second outlet 17 are provided at the other end of the chamber 11.
The first valve membrane 18 is provided between the first inlet 14, the first outlet 15, and the chamber 11, and a first position where the first inlet 14 is closed and the first outlet 15 is not closed; And the second position where the first inlet 14 is not closed.

The second valve membrane 19 is provided between the second inlet 16, the second outlet 17 and the chamber 11, and a second position where the second inlet 16 is closed and the second outlet 17 is not closed; And the fourth position where the second inlet 16 is not closed.
As shown in FIGS. 2 to 7, when the magnet 12 approaches the first valve membrane 18, the first valve membrane 18 is located at the first position, the second valve membrane 19 is located at the fourth position, The fluid is discharged from the first outlet 15, and one fluid is sucked from the second inlet 16, and when the magnet 12 approaches the second valve membrane 19, the first valve membrane is located at the second position, The bivalve membrane is located at the third position, one fluid is discharged from the second outlet 17, and one fluid is sucked from the first inlet 14.

Reference is also made to FIGS. The current-controlled reciprocating fluid pumping unit according to the present invention further includes an outflow connection portion 20, an inflow connection portion 21, a first communication portion 22, a second communication portion 23, a third communication portion 24, Including four communication portions 25.
The first communication part 22 is for communicating the first inlet 14 and the outflow connection part 20.

The second communication portion 23 is for communicating the second inlet 16 and the outflow connection portion 20.
The third communication part 24 is for communicating the second outlet 17 and the inflow connection part 21.
The fourth communication part 25 is for communicating the first outlet 15 and the inflow connection part 21.

The present invention is connected to the tube by the outflow connection portion 20, the inflow connection portion 21, the first series communication portion 22, the second communication portion 23, the third communication portion 24, and the fourth communication portion 25. Will be easier, so the purpose of transporting fluids can be achieved.
Reference is also made to FIG. The current-controlled reciprocating fluid pumping unit according to the present invention further includes a first covering element 32, which covers the outer peripheral surface of the coil 13, surrounds the chamber 11, and is made of a metal material. In this way, a more effective magnetic path is formed, a magnetic field generated by the coil 13 is guided to drive the magnet 12, and both ends of the first covering element 32 are folded and the It may extend to the chamber 11, so that a more effective magnetic path is formed and the magnet 12 can be driven more efficiently.

The current-controlled reciprocating fluid pumping unit according to the present invention further includes a second covering element, and the second covering element covers the outer peripheral surface of the first covering element 32 and the chamber 11, and is made of a non-metallic material. It may be made, or may be made of a metal material, for example, a copper sleeve, so that the protective effect is better.
The current-controlled reciprocating fluid pressure feeding unit according to the present invention further includes one coating layer, the coating layer covers the inner and outer peripheral surfaces of the second coating element, and the second coating element is, for example, a non-metal resin In the case of being made of a material, the covering layer may be a metal layer, for example, nickel, and when the second covering element is made of, for example, a metal material, The covering layer may be made of, for example, a non-metallic material that is a resin, and the covering layer can simultaneously achieve a protective effect and a decorative effect.

  The current-controlled reciprocating fluid pressure feeding unit according to the present invention further includes one surrounding portion, and the surrounding portion is provided by being fitted to the outer peripheral surface of the magnet 12, and the inner peripheral surface of the chamber 11 and the outer periphery of the magnet 12 are provided. Between the two surfaces and in contact with the inner peripheral surface of the chamber 11, thereby providing better sealing, and the surrounding portion may be two piston rings, and the two pistons Rings are provided at both ends of the magnet 12, respectively.

It is sectional drawing which shows Example 1 of this invention. It is the schematic which shows the action | operation and fluid flow of Example 1 of this invention. It is the schematic which shows the action | operation and fluid flow of Example 1 of this invention. It is the schematic which shows the action | operation and fluid flow of Example 1 of this invention. It is the schematic which shows the action | operation and fluid flow of Example 1 of this invention. It is the schematic which shows the action | operation and fluid flow of Example 1 of this invention. It is the schematic which shows the action | operation and fluid flow of Example 1 of this invention. It is the schematic which shows the action | operation and fluid flow of Example 2 of this invention. It is the schematic which shows the action | operation and fluid flow of Example 2 of this invention. It is the schematic which shows the action | operation and fluid flow of Example 2 of this invention. It is the schematic which shows the action | operation and fluid flow of Example 2 of this invention. It is the schematic which shows the action | operation and fluid flow of Example 2 of this invention. It is the schematic which shows the action | operation and fluid flow of Example 2 of this invention. It is sectional drawing which shows Example 3 of this invention.

Claims (24)

In the current controlled reciprocating fluid pumping unit,
A chamber having a predetermined length and having openings at both ends;
A magnet having a predetermined length, an outer shape corresponding to an inner shape of the chamber, and a slidable magnet provided in the chamber;
A coil provided outside the chamber and connected to an electric circuit, the electric circuit supplying a current capable of changing direction, and a coil for reciprocatingly driving the magnet;
A first inlet and a second outlet provided at one end of the chamber;
A second inlet and a second outlet provided at the other end of the chamber;
A first position provided between the first inlet, the first outlet, and the chamber; closing the first inlet and not closing the first outlet; closing the first outlet; A first leaflet that is moved between a second position that does not close;
A third position provided between the second inlet, the second outlet, and the chamber; closing the second inlet and not closing the second outlet; closing the second outlet; A second valve membrane that is moved between a fourth position that does not close,
When the magnet is in proximity to the first valve membrane, the first valve membrane is in the first position, the second valve membrane is in the fourth position, and the magnet is in proximity to the second valve membrane. In addition, the current control reciprocating fluid pumping unit is characterized in that the first valve membrane is located at the second position and the second valve membrane is located at the third position. It is further equipped with one surrounding part,
The surrounding portion is provided to be fitted to the outer peripheral surface of the magnet, is interposed between the inner peripheral surface of the chamber and the outer peripheral surface of the magnet, and is in contact with the inner peripheral surface of the chamber. The current-controlled reciprocating fluid pumping unit according to claim 1.   The current-controlled reciprocating fluid pressure feeding unit according to claim 2, wherein the surrounding portion is two piston rings, and the two piston rings are provided at both ends of the magnet, respectively. Further comprising a first covering element and a second covering element;
The first covering element covers the outer peripheral surface of the coil, surrounds the chamber,
2. The current-controlled reciprocating fluid pressure feeding unit according to claim 1, wherein the second covering element covers an outer peripheral surface of the first covering element and the chamber.   The current controlled reciprocating fluid pumping unit according to claim 4, wherein both ends of the first covering element are curved and extend to the chamber.   The current-controlled reciprocating fluid pumping unit according to claim 4, wherein the first covering element is made of a metal material.   The current-controlled reciprocating fluid pumping unit according to claim 4, wherein the second covering element is made of a non-metallic material.   The current-controlled reciprocating fluid pumping unit according to claim 4, wherein the second covering element is made of a metal material.   The current-controlled reciprocating fluid pumping unit according to claim 4, wherein the second covering element is a sleeve made of copper. It further comprises one covering layer,
The current-controlled reciprocating fluid pumping unit according to claim 7, wherein the coating layer is a metal layer that covers the second coating element. It further comprises one covering layer,
The current-controlled reciprocating fluid pumping unit according to claim 8, wherein the coating layer is a non-metallic layer that covers the second coating element.   The current-controlled reciprocating fluid pumping unit according to claim 10, wherein the coating layer is nickel.   An outflow connection portion, an inflow connection portion, a first communication portion for connecting the first inlet and the outflow connection portion, and a second communication for connecting the second inlet and the outflow connection portion And a fourth communicating portion for communicating the first outlet and the inflow connecting portion. The third communicating portion for communicating the second outlet and the inflow connecting portion, and a fourth communicating portion for communicating the first outlet and the inflow connecting portion. The current-controlled reciprocating fluid pumping unit according to claim 1. It is further equipped with one surrounding part,
The surrounding portion is provided to be fitted to the outer peripheral surface of the magnet, is interposed between the inner peripheral surface of the chamber and the outer peripheral surface of the coin magnet, and is in contact with the inner peripheral surface of the chamber. The current-controlled reciprocating fluid pumping unit according to claim 13.   The current-controlled reciprocating fluid pressure feeding unit according to claim 14, wherein the surrounding portion is two piston rings, and the two piston rings are provided at both ends of the magnet, respectively. Further comprising a first covering element and a second covering element;
The first covering element covers the outer peripheral surface of the coil, surrounds the chamber,
The current-controlled reciprocating fluid pumping unit according to claim 13, wherein the second covering element covers an outer peripheral surface of the first covering element and the chamber.   The current-controlled reciprocating fluid pumping unit according to claim 16, wherein both ends of the first covering element are curved and extend to the chamber.   The current-controlled reciprocating fluid pumping unit according to claim 16, wherein the first covering element is made of a metal material.   The current-controlled reciprocating fluid pumping unit according to claim 16, wherein the second covering element is made of a non-metallic material.   The current-controlled reciprocating fluid pumping unit according to claim 16, wherein the second covering element is made of a metal material.   The current-controlled reciprocating fluid pumping unit according to claim 16, wherein the second covering element is a sleeve made of copper. It further comprises one covering layer,
The current-controlled reciprocating fluid pumping unit according to claim 19, wherein the coating layer is a metal layer that covers the second coating element. It further comprises one covering layer,
The current-controlled reciprocating fluid pumping unit according to claim 20, wherein the coating layer is a non-metallic layer that covers the second coating element.   The current-controlled reciprocating fluid pumping unit according to claim 22, wherein the coating layer is nickel.

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