CN109027405B - Memory alloy combined control valve - Google Patents
Memory alloy combined control valve Download PDFInfo
- Publication number
- CN109027405B CN109027405B CN201811132989.6A CN201811132989A CN109027405B CN 109027405 B CN109027405 B CN 109027405B CN 201811132989 A CN201811132989 A CN 201811132989A CN 109027405 B CN109027405 B CN 109027405B
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- China
- Prior art keywords
- memory alloy
- shape memory
- valve
- channel
- drainage
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- 229910001285 shape-memory alloy Inorganic materials 0.000 title claims abstract description 87
- 239000000956 alloy Substances 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Temperature-Responsive Valves (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a memory alloy combination control valve, which comprises a valve body and at least one stop valve rod part, wherein the valve body is provided with a channel inlet and at least one channel outlet, an independent flow passage is arranged between the channel inlet and each channel outlet, the stop end of each stop valve rod part is arranged on the corresponding flow passage in a floating way, the driving end of each stop valve rod part drives the valve body to move through a first shape memory alloy part, and the first shape memory alloy part is connected with a power supply device for driving the valve body to deform. The valve rod part is driven to move by the shape memory alloy part, so that the on-off state of the valve body is changed, the structure is simple, the operation is convenient, and the production cost is greatly reduced.
Description
Technical Field
The invention relates to the field of control valves, in particular to a memory alloy combined control valve.
Background
Control valves are used in a variety of applications to control the passage or interruption of liquids, gases, or other fluids. The control valve consists of two main assemblies: valve body assembly and actuating mechanism assembly, present actuating mechanism assembly is motor or electro-magnet or other actuating mechanism generally, and its structure is complicated, and manufacturing cost is big.
Disclosure of Invention
The present invention is directed to a memory alloy combination control valve that addresses the above-described shortcomings and drawbacks of the prior art.
The technical problems solved by the invention can be realized by adopting the following technical scheme:
The memory alloy combined control valve comprises a valve body and at least one stop valve rod part, wherein the valve body is provided with a channel inlet and at least one channel outlet, an independent flow passage is arranged between the channel inlet and each channel outlet, and the stop end of each stop valve rod part is arranged on the corresponding flow passage in a floating mode.
In a preferred embodiment of the present invention, the valve body further has at least one drainage port and drainage valve rod parts corresponding to the number of the drainage ports, wherein an independent drainage channel is arranged between each channel outlet and each drainage port, the stop end of each drainage valve rod part is arranged on the corresponding drainage channel in a floating manner, the driving end of each drainage valve rod part drives the drainage valve rod part to move through a second shape memory alloy part, and the second shape memory alloy part is connected with a power supply device for driving the drainage valve rod part to deform.
In a preferred embodiment of the invention, the valve body has a single passage inlet, two passage outlets and a bleed port, the shut-off valve stem members being in a pair and the bleed valve stem members being in a pair.
In a preferred embodiment of the present invention, the stop valve rod member is connected to a first return elastic member, and the first shape memory alloy member can drive the stop valve rod member to move against the elastic force of the first return elastic member when the first shape memory alloy member is shortened.
In a preferred embodiment of the present invention, the relief valve stem component is connected to a second return elastic member, and the second shape memory alloy component can overcome the elastic force of the second return elastic member to drive the relief valve stem component to move when the second shape memory alloy component is shortened.
In a preferred embodiment of the invention, the first shape memory alloy component is a shape memory alloy wire or a spring made of a shape memory alloy material or a strip made of a shape memory alloy material.
In a preferred embodiment of the invention, the second bleeder shape memory alloy member is a shape memory alloy wire or a spring made of a shape memory alloy material or a strip made of a shape memory alloy material.
In a preferred embodiment of the present invention, the stop valve stem member is connected to one end of a first movable lever, and the other end of the first movable lever is connected to one end of the first shape memory alloy member.
In a preferred embodiment of the present invention, the relief valve stem member is connected to one end of a second movable lever, and the other end of the second movable lever is connected to one end of the second shape memory alloy member.
Due to the adoption of the technical scheme, the valve rod part is driven to move by the shape memory alloy part, so that the on-off state of the valve body is changed, the structure is simple, the operation is convenient, and the production cost is greatly reduced. The invention can control the on-off of the fluids such as gas, liquid and the like, and can be used as a waterway control valve or a gas pipeline control valve or a control valve of a lumbar support part of an automobile seat.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of the present invention.
Detailed Description
The invention is further described below in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the invention easy to understand.
Referring to the memory alloy combination control valve shown in fig. 1, comprising a valve body 100 and at least one shut-off valve stem member, the valve body 100 has a channel inlet 110 and at least one channel outlet. The number of shut-off valve stem components, channel outlets and shut-off valve stem components may vary depending on the particular application, for example, a single-in and single-out function may be required, and a channel inlet 110, a channel outlet and a shut-off valve stem component may be provided; to achieve the single in and double out function, a channel inlet 110, two channel outlets and two shut-off valve rod components are required; one channel inlet 110, three channel outlets and three shut-off valve stem components, and so on, are required to achieve a single-in-three-out effect. The valve body 100 of the present embodiment has two shut-off valve stem members 200, and the valve body 100 has one passage inlet 110 and two passage outlets 120.
For easy understanding, the valve body 100 in this embodiment is a straight pipe section, the channel inlet 110 is disposed in the middle of the valve body 100, and two sides of the channel inlet 110 are respectively provided with a channel outlet 120. Between the channel inlet 110 and each channel outlet 120 is an independent through-flow channel 10, the stop end 210 of each stop valve rod member 200 is floatingly arranged on the corresponding through-flow channel 10, specifically, the side of the through-flow channel 10 is provided with a hole 101 for the stop end 210 of the stop valve rod member 200 to pass through, and sealing treatment is performed between the stop valve rod member 200 and the hole 101. The driving end 220 of each shut-off valve stem member 200 is driven to move by a first shape memory alloy member 300a, the first shape memory alloy member 300a being connected to a power source for driving the deformation thereof. The stop valve rod part 200 in this embodiment is connected to a first return elastic member 400a, ensuring the work return property and the sealing property of the stop end. The first shape memory alloy member 300a may be contracted to move the stop valve stem member 200 against the elastic force of the first restoring elastic member 400 a. The first shape memory alloy member 300a is a shape memory alloy wire or a spring made of a shape memory alloy material or a strip made of a shape memory alloy material.
The shut-off valve stem member 200 in this embodiment is connected to one end 510a of a first movable lever 500a, and the other end 520a of the first movable lever 500a is connected to one end of the first shape memory alloy member 300 a. In order to simplify the structure of the power supply device, the first shape memory alloy member 300a is used as a part of the circuit loop, one end of the wire 1 is connected with the positive electrode, the other end of the wire 1 and one end of the first shape memory alloy member 300a are commonly riveted on a conductive terminal 2, the other end of the first shape memory alloy member 300a is connected with one end 510a of the first movable lever 500a, one end 510a of the first movable lever 500a is also connected with one end of the wire 3, and the other end of the wire 3 is connected with the negative electrode. The wire 1, the conductive terminal 2, the first shape memory alloy member 300a, and the wire 3 constitute a circuit loop.
In order to make the present invention further have a draining function, the valve body 100 in this embodiment further has draining ports and draining valve rod parts corresponding to the number of the channel outlets 120, that is, in this embodiment, two draining ports 130 and two draining valve rod parts 600 are further provided, the two draining ports 130 are respectively provided at two sides of the two channel outlets 120, an independent draining channel 20 is provided between the channel outlet 120 and each draining port 130, the stop end 610 of each draining valve rod part 600 is floatingly provided on the corresponding draining channel 20, specifically, a hole 102 for the stop end 610 of the draining valve rod part 600 to pass through is provided at a side portion of the draining channel 20, and sealing treatment is performed between the draining valve rod part 600 and the hole 102.
The driving end 620 of each of the relief valve stem members 600 is activated by a second shape memory alloy member 300b, the second shape memory alloy member 300b being connected to a power source for activating the deformation thereof. The leakage flow valve stem part 600 in this embodiment is connected to a second reset elastic member 400b, ensuring the work reset property and the sealing property of the cut-off end. The second shape memory alloy member 300b may be contracted to overcome the elastic force of the second restoring elastic member 400b to move the leakage valve stem member 600. The second shape memory alloy member 300b is a shape memory alloy wire or a spring made of a shape memory alloy material or a strip made of a shape memory alloy material.
The relief valve stem member 600 in this embodiment is connected to one end 510b of a second movable lever 500b, and the other end 520b of the second movable lever 500b is connected to one end of the second shape memory alloy member 300 b. In order to simplify the structure of the power supply device, the second shape memory alloy member 300b is used as a part of the circuit loop, one end of the wire 1 is connected with the positive electrode, the other end of the wire 1 and one end of the second shape memory alloy member 300b are commonly riveted on a conductive terminal 2, the other end of the second shape memory alloy member 300b is connected with one end 510b of the second movable lever 500b, one end 510b of the second movable lever 500b is also connected with one end of the wire 3a, and the other end a of the wire 3 is connected with the negative electrode. The wire 1, the conductive terminal 2, the second shape memory alloy member 300b, and the wire 3a constitute a circuit loop.
In operation, the two first shape memory alloy parts 300a and the two second shape memory alloy parts 300b can respectively and independently control power failure, ensure the independence of the respective operations and are convenient to control.
When fluid needs to flow out of the channel outlet 120, only the first shape memory alloy part 300a needs to be electrified, at this time, the first shape memory alloy part 300a can obtain an instant heating temperature, so that the first shape memory alloy part 300b reaches the phase transition temperature and becomes shorter, and further the first movable lever 500a is driven to swing, so that the stop valve rod part 200 overcomes the elastic force of the first reset elastic piece 400a to drive the stop valve rod part 200 to move, the fluid entering from the channel inlet 110 can enter into the channel outlet 120 through the channel 10, at this time, the second shape memory alloy part 300b is not electrified, and the second reset elastic piece 400b ensures that the leakage valve rod part 600 is always in a closed state.
When it is desired to drain the fluid from the channel outlet 120 from the drain port 130, only the second shape memory alloy member 300b needs to be energized, while the first shape memory alloy member 300a is not energized, and the first return spring 400a ensures that the shut-off valve stem member 200 is always in a closed state. The second shape memory alloy 300b will get an instant heating temperature, so that the second shape memory alloy 300b reaches the phase transition temperature and becomes shorter, and further drives the second movable lever 500b to swing, so that the leakage valve rod 600 overcomes the elastic force of the second reset elastic member 400b to drive the leakage valve rod 600 to move, and the fluid at the channel outlet 120 can enter the leakage port 130 through the leakage channel 20.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The memory alloy combined control valve comprises a valve body and at least one stop valve rod part, wherein the valve body is provided with a channel inlet and at least one channel outlet, an independent flow passage is arranged between the channel inlet and each channel outlet, and the stop end of each stop valve rod part is arranged on the corresponding flow passage in a floating manner;
The valve body is also provided with at least one drainage port and drainage valve rod parts corresponding to the number of the drainage ports, an independent drainage channel is arranged between each channel outlet and each drainage port, the stop end of each drainage valve rod part is arranged on the corresponding drainage channel in a floating mode, the driving end of each drainage valve rod part drives the valve body to move through a second shape memory alloy part, and the second shape memory alloy part is connected with a power supply device for driving the valve body to deform;
The first shape memory alloy component and the second shape memory alloy component respectively and independently control power failure, so that the independence of the respective work is ensured, and the control is convenient;
the side part of the through-flow channel is provided with a hole for the cut-off end of the cut-off valve rod part to pass through; the side part of the drainage channel is provided with a hole for the cut-off end of the drainage valve rod part to pass through; the channel outlet is disposed between the channel inlet and the drain.
2. A memory alloy combination control valve as set forth in claim 1 wherein said valve body has a single passage inlet, two passage outlets and a bleed port, said shut-off valve stem members being in a pair and said bleed valve stem members being in a pair.
3. The memory alloy combination control valve of claim 1, wherein said shut-off valve stem member is connected to a first return spring, said first shape memory alloy member being operable to move said shut-off valve stem member against the force of said first return spring when said first shape memory alloy member is contracted.
4. The memory alloy combination control valve of claim 1, wherein the bleeder valve stem member is connected to a second return spring, and wherein the second shape memory alloy member is operable to move the bleeder valve stem member against the spring force of the second return spring when the second shape memory alloy member is contracted.
5. The memory alloy combination control valve of claim 1, wherein the first shape memory alloy component is a shape memory alloy wire or a spring made of a shape memory alloy material or a strip made of a shape memory alloy material.
6. The memory alloy combination control valve of claim 1, wherein the second shape memory alloy component is a shape memory alloy wire or a spring made of a shape memory alloy material or a strip made of a shape memory alloy material.
7. A memory alloy combination control valve as set forth in claim 1 wherein said shut-off valve stem member is connected to one end of a first movable lever, said other end of said first movable lever being connected to one end of said first shape memory alloy member.
8. The memory alloy combination control valve of claim 1, wherein said relief valve stem member is connected to one end of a second movable lever, and the other end of said second movable lever is connected to one end of said second shape memory alloy member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811132989.6A CN109027405B (en) | 2018-09-27 | 2018-09-27 | Memory alloy combined control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811132989.6A CN109027405B (en) | 2018-09-27 | 2018-09-27 | Memory alloy combined control valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109027405A CN109027405A (en) | 2018-12-18 |
| CN109027405B true CN109027405B (en) | 2024-06-14 |
Family
ID=64614745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811132989.6A Active CN109027405B (en) | 2018-09-27 | 2018-09-27 | Memory alloy combined control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109027405B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103782076A (en) * | 2011-06-27 | 2014-05-07 | 弗路德自动控制系统有限公司 | Shape memory alloy actuated valve assembly |
| CN209115786U (en) * | 2018-09-27 | 2019-07-16 | 深圳市星河泉新材料有限公司 | Memorial alloy combined control valve |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2068622U (en) * | 1990-04-20 | 1991-01-02 | 上海交通大学 | Shape memory alloy self-controlling thermostatic switch valve |
| KR970000627B1 (en) * | 1994-07-15 | 1997-01-16 | 대우전자 주식회사 | A valve using a shape memory alloy and an a.b.s. adopting the same |
| KR0158799B1 (en) * | 1994-08-17 | 1998-12-01 | 배순훈 | Valve using a shape memory alloy |
| DE60112477T2 (en) * | 2001-05-08 | 2006-06-08 | Arena, Alberto, Cascina | PROPORTIONAL VALVE WITH A FORM MEMORY ALLOY DRIVE |
| WO2012123088A1 (en) * | 2011-03-11 | 2012-09-20 | Fluid Automation Systems S.A. | Fluid cooled shape memory alloy actuated valve |
| GB2543052A (en) * | 2015-10-05 | 2017-04-12 | Fluid Automation Syst | Shape memory alloy actuated valve assembly |
-
2018
- 2018-09-27 CN CN201811132989.6A patent/CN109027405B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103782076A (en) * | 2011-06-27 | 2014-05-07 | 弗路德自动控制系统有限公司 | Shape memory alloy actuated valve assembly |
| CN209115786U (en) * | 2018-09-27 | 2019-07-16 | 深圳市星河泉新材料有限公司 | Memorial alloy combined control valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109027405A (en) | 2018-12-18 |
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