CN109027222A - A kind of piston and the proportioning valve including it - Google Patents
A kind of piston and the proportioning valve including it Download PDFInfo
- Publication number
- CN109027222A CN109027222A CN201811245991.4A CN201811245991A CN109027222A CN 109027222 A CN109027222 A CN 109027222A CN 201811245991 A CN201811245991 A CN 201811245991A CN 109027222 A CN109027222 A CN 109027222A
- Authority
- CN
- China
- Prior art keywords
- piston
- skirt section
- head
- cylindrical portion
- proportioning valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000007769 metal material Substances 0.000 claims abstract description 13
- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 6
- 230000008676 import Effects 0.000 claims description 8
- 230000005307 ferromagnetism Effects 0.000 claims description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 abstract description 11
- 238000005266 casting Methods 0.000 abstract description 9
- 229920005591 polysilicon Polymers 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008521 reorganization Effects 0.000 description 1
- 238000007789 sealing 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J1/00—Pistons; Trunk pistons; Plungers
- F16J1/01—Pistons; Trunk pistons; Plungers characterised by the use of particular materials
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B28/00—Production of homogeneous polycrystalline material with defined structure
- C30B28/04—Production of homogeneous polycrystalline material with defined structure from liquids
- C30B28/06—Production of homogeneous polycrystalline material with defined structure from liquids by normal freezing or freezing under temperature gradient
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/02—Elements
- C30B29/06—Silicon
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J1/00—Pistons; Trunk pistons; Plungers
- F16J1/001—One-piece pistons
-
- 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
- F16K25/00—Details relating to contact between valve members and seats
- F16K25/005—Particular materials for seats or closure elements
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
Embodiment of the disclosure discloses a kind of piston and the proportioning valve including it, it includes piston only, the piston only includes top, head and skirt section, and the piston only has cavity, wherein, the top, the head and the skirt section are integrally formed, and the cavity runs through the top, head and skirt section, and at least one of the top, head and skirt section are made of ferromagnetic metal material.Present disclose provides piston and including its proportioning valve, high reliablity and superior performance, during the ingot casting of polysilicon, can be improved product quality while reducing the production cost of product.
Description
Technical field
This disclosure relates to polysilicon casting field more particularly to a kind of piston for polycrystalline silicon ingot or purifying furnace and including its
Proportioning valve.
Background technique
Currently, field of solar energy develop rapidly, a kind of material of the polysilicon as solar battery, casting ingot process also by
Extensive concern is arrived, polycrystalline silicon ingot or purifying furnace is the special equipment of solar industry design and must setting for polycrystalline silicon ingot casting
It is standby, during polycrystalline silicon ingot or purifying furnace makes polysilicon, need to use switch of the proportioning valve as high-temperature gas to control gas
The flow of body.
Piston in existing proportioning valve is separate type piston, i.e. the top and head of piston is separate type, is generallyd use
Glue is bonded together, and during the work time, the high-temperature gas of the inside of polycrystalline silicon ingot or purifying furnace will lead to glue aging, so that living
The top of plug and the junction on head are poorly sealed, and the switching capability failure of piston is unable to reach effective exhaust, reduces product
Quality, and the through-hole on piston is easier to the blocking of the oxide caused by during ingot casting, causes piston that can not work, one
Denier piston can not work, and proportioning valve can not also work, it is necessary to entire proportioning valve is replaced, increase production polysilicon at
This.
Summary of the invention
For the above-mentioned technical problems in the prior art, embodiment of the disclosure provide a kind of reliability it is higher and
The piston of superior performance and proportioning valve including it.
According to the first scheme of the disclosure, a kind of piston is provided comprising piston only, the piston only include top
Portion, head and skirt section, and the piston only has cavity, the top, the head and the skirt section are integrally formed, institute
Cavity is stated through the top, head and skirt section, at least one of the top, head and skirt section are by ferromagnetic metal
Material is made.
In some embodiments, the head includes the opposite side of the tapered portion and the top in the top side
On cylindrical portion.
In some embodiments, the tapered portion is in the radial dimension of the top side and the radial dimension at the top
Matching.
In some embodiments, the cylindrical portion offers through-hole.
In some embodiments, the aperture that the through-hole is located at the inner wall of the cylindrical portion is less than it and is located at the cylindrical portion
Outer wall aperture.
In some embodiments, the outer wall of the aperture of the through-hole from inner wall towards the cylindrical portion of the cylindrical portion is flat
Increase slidingly.
In some embodiments, the top, the head and the skirt section are metal material.
In some embodiments, the metal material has ferromagnetism.
In some embodiments, the skirt section is additionally provided with import to accommodate spring.
Embodiment of the disclosure additionally provides a kind of proportioning valve, and the proportioning valve includes spring, relay with the work
Plug, wherein the relay includes electromagnet, and the top side of the piston is arranged in attract it in the electromagnet
Or release, the spring are installed on the import in the skirt section of the piston, the side opposite with the skirt section is fixed, and is matched
It is set to its biased reset when the electromagnet discharges the piston.
Compared with prior art, piston provided by embodiment of the disclosure and the beneficial effect including its proportioning valve exist
In: top, head and the skirt section of piston are integrally formed so that reliability living is higher, and the design of the tapered portion of piston reduces it
During the motion with the friction of other component, generated oxide is blocked during the structure design of through-hole reduces ingot casting
A possibility that through-hole, the piston and proportioning valve high reliablity and superior performance including it, the ingot casting process applied to polysilicon
In, the production cost of product is reduced while improving product quality.
Detailed description of the invention
In the attached drawing being not drawn necessarily to scale, identical appended drawing reference can describe similar in different views
Component.Same reference numerals with letter suffix or different letter suffix can indicate the different instances of similar component.Attached drawing
Generally through citing rather than the mode of limitation shows various embodiments, and reinstates with specification and claims one
It is illustrated in the disclosed embodiments.In due course, make to be referred to identical reference in all the appended drawings same
One or similar part.Such embodiment is illustrative, and is not intended as the exhaustive or exclusive of the present apparatus or method
Embodiment.
Fig. 1 is the structural schematic diagram according to the piston of embodiment of the disclosure.
Component represented by appended drawing reference in figure:
At the top of 1-；The head 2-；21- tapered portion；22- cylindrical portion；The skirt section 3-；4- through-hole；5- import.
Specific embodiment
To make those skilled in the art better understand the technical solution of the disclosure, with reference to the accompanying drawing and specific embodiment party
Formula elaborates to the disclosure.Embodiment of the disclosure work is further retouched in detail in the following with reference to the drawings and specific embodiments
It states, but not as the restriction to the disclosure.
The similar word such as " comprising " or "comprising" means to cover the element enumerated after the word in the element before the word,
The possibility for being also covered by other element is not precluded."upper", "lower", "left", "right" etc. are only used for indicating relative positional relationship, work as quilt
After the absolute position of description object changes, then the relative positional relationship may also correspondingly change.
All terms (including technical term or scientific term) that the disclosure uses are common with disclosure fields
The meaning that technical staff understands is identical, unless otherwise specifically defined.It is also understood that in term such as defined in the general dictionary
The meaning consistent with their meanings in the context of the relevant technologies should be interpreted as having, without application idealization or
The meaning of extremely formalization explains, unless being clearly defined herein.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
Fig. 1 is according to the structural schematic diagram of the piston of embodiment of the disclosure, as shown in Figure 1, embodiment of the disclosure mentions
A kind of piston is supplied comprising piston only, piston only include top 1, head 2 and skirt section 3, and piston only has chamber
Body, wherein top 1, head 2 and skirt section 3 are integrally formed, and cavity runs through top 1, head 2 and skirt section 3, top 1, head 2 with
And at least one of skirt section 3 is made of ferromagnetic metal material, so that piston only can be attracted by external ferromagnetic component
Or release.Particularly, top 1, head 2 and skirt section 3 can be integrally formed by co-molded mode, the top of the piston only
Portion 1 and the sealing effect on head 2 are preferable, and piston is avoided to lead to its ability of losing the job because poorly sealed in use.
In some embodiments, head 2 includes the cylinder in the tapered portion 21 of top side and the opposite side at top 2
Portion 22, as shown in Figure 1, the tip of tapered portion 21 is connect with top 1, the side opposite with tip is connect with cylindrical portion 22, excellent
Choosing, the outside wall surface and tapered portion 21 of tapered portion 21 and the junction of cylindrical portion 22 are smooth wall surface, and tapered portion 21 is set
Meter can reduce piston only during the motion with the friction of external devices, extend the service life of piston.In some realities
It applies in example, the interconnecting piece of tapered portion 21 and cylindrical portion 22 can be designed using rounded corners, to be further reduced and external device
The friction of part, to extend the service life of piston.
In some embodiments, radial dimension of the tapered portion 21 in 1 side of top is matched with the radial dimension at top 1, with
Just radial center of the tapered portion 21 in 1 side of top can be aligned with the radial center at top 1, thus convenient molding process, and
The assembly of entire piston can be facilitated, and can reduce a possibility that top 1 is damaged during the motion with head 2, is extended
The service life of piston.
In some embodiments, cylindrical portion 22 offers through-hole 4 so that gas in the cavity of piston only and other
Product can be smoothly discharged from through-hole 4.
In some embodiments, the aperture that through-hole 4 is located at the inner wall of cylindrical portion 22 is less than its outer wall for being located at cylindrical portion 22
Aperture so that the aperture of the inside of through-hole 4 constantly increases along the inner wall of cylindrical portion 22 to the direction of the outer wall of cylindrical portion 22
The gradient is formed, to facilitate the gas generated during ingot casting and oxide products etc. via the discharge of through-hole 4 and reduce its blocking
A possibility that through-hole 4.
In some embodiments, 4 aperture of through-hole smoothly increases from the outer wall of inner wall towards the cylindrical portion 22 of cylindrical portion 22,
To avoid the oxide generated during ingot casting in the building up inside of through-hole 4, through-hole 4 is blocked.
In some embodiments, top 1, head 2 and skirt section 3 are metal material, and metal material compares rubber material energy
The loss of piston in use is enough reduced, the service life of piston is extended.In addition, the iron magnetization treatment of metal material
It is more convenient, such as being mixed into ferromagnetic material can be so that metal material has ferromagnetism.
In some embodiments, metal material have ferromagnetism so that piston can be attracted by external ferromagnetic component or
Release.
In some embodiments, skirt section 3 is additionally provided with import 5 to accommodate spring (not shown), and spring is installed on skirt section 3
Import 5 to make piston during the motion being capable of biased reset.
Embodiment of the disclosure additionally provides a kind of proportioning valve, which includes spring, relay and the work
Plug, wherein relay includes electromagnet, and the top side of the piston is arranged in be attracted it or be discharged in electromagnet,
Spring is installed on the import 5 in the skirt section 3 of piston, and the side opposite with skirt section 3 is fixed, and is configured to discharge in electromagnet
By its biased reset when piston.Particularly, proportioning valve further includes shell, and spring is mounted on the interior of shell with the piston
Portion, relay are installed on the side of the shell where the top 1 of piston, are additionally provided with air inlet and air outlet, external gas on shell
Body enters the cavity of piston through air inlet, and the gas outlet discharge on the through-hole 4 through piston and shell, piston is in spring and relay
Collective effect under move, to control the flow of gas.
In addition, range includes any and all based on this public affairs although exemplary embodiment has been described herein
That opens has equivalent element, modification, omission, combination (for example, scheme that various embodiments are intersected), reorganization or the implementation changed
Example.Element in claims will be construed broadly as based on the language used in claim, however it is not limited in this explanation
Described example, example are to be interpreted as nonexcludability in book or during the implementation of the application.Therefore, this specification and
Example is intended to be to be considered only as example, and real scope and spirit are by following following claims and the full scope of its equivalent institute
Instruction.
Above description is intended to illustrative rather than restrictive.For example, above-mentioned example (or one or more side
Case) it can be in combination with one another.Such as other embodiments can be used when reading foregoing description in those of ordinary skill in the art.
In addition, various features can be grouped together to simplify the disclosure in above-mentioned specific embodiment.This should not be construed as
A kind of not claimed disclosed feature is necessary intention for any claim.On the contrary, the theme of the disclosure can be with
Less than whole features of specific disclosed embodiment.To which following claims is incorporated to herein as example or embodiment
In specific embodiment, wherein each claim is independently as individual embodiment, and consider that these embodiments can be with
It is combined with each other with various combinations or arrangement.The scope of the present disclosure should refer to appended claims and these claims are entitled
The full scope of equivalent form determines.
Above embodiments are only the exemplary embodiment of the disclosure, are not used in the limitation disclosure, the protection scope of the disclosure
It is defined by the claims.Those skilled in the art can make respectively the disclosure in the essence and protection scope of the disclosure
Kind modification or equivalent replacement, this modification or equivalent replacement also should be regarded as falling within the scope of the disclosure.
Claims (10)
1. a kind of piston, including piston only, the piston only includes top, head and skirt section, and the piston only
With cavity, which is characterized in that the top, the head and the skirt section are integrally formed, the cavity through the top,
Head and skirt section, at least one of the top, head and skirt section are made of ferromagnetic metal material.
2. piston according to claim 1, which is characterized in that the head include the top side tapered portion with
And the cylindrical portion in the opposite side at the top.
3. piston according to claim 2, which is characterized in that the tapered portion the top side radial dimension with
The radial dimension at the top matches.
4. piston according to claim 2, which is characterized in that the cylindrical portion offers through-hole.
5. piston according to claim 4, which is characterized in that the aperture that the through-hole is located at the inner wall of the cylindrical portion is small
In the aperture for the outer wall that it is located at the cylindrical portion.
6. piston according to claim 5, which is characterized in that the aperture of the through-hole from the inner wall of the cylindrical portion towards
The outer wall of the cylindrical portion smoothly increases.
7. piston according to claim 1, which is characterized in that the top, the head and the skirt section are metal
Material.
8. piston according to claim 7, which is characterized in that the metal material has ferromagnetism.
9. piston according to claim 1, which is characterized in that the skirt section is additionally provided with import to accommodate spring.
10. a kind of proportioning valve, which is characterized in that including spring, relay and piston as claimed in claim 9, wherein institute
Stating relay includes electromagnet, and the top side of the piston is arranged in be attracted it or be discharged in the electromagnet, institute
The import that spring is installed on the skirt section of the piston is stated, the side opposite with the skirt section is fixed, and is configured in institute
It states its biased reset when electromagnet discharges the piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811245991.4A CN109027222B (en) | 2018-10-24 | 2018-10-24 | Piston and proportional valve comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811245991.4A CN109027222B (en) | 2018-10-24 | 2018-10-24 | Piston and proportional valve comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109027222A true CN109027222A (en) | 2018-12-18 |
| CN109027222B CN109027222B (en) | 2021-06-25 |
Family
ID=64614121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811245991.4A Expired - Fee Related CN109027222B (en) | 2018-10-24 | 2018-10-24 | Piston and proportional valve comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109027222B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1580617A (en) * | 2003-08-08 | 2005-02-16 | 卡尔弗罗伊登柏格两合公司 | Electromagnetic valve |
| CN102352874A (en) * | 2011-10-31 | 2012-02-15 | 浙江大学 | Digital pure water hydraulic proportional overflow valve |
| CN202252263U (en) * | 2011-10-21 | 2012-05-30 | 沈阳化工大学 | Proportional solenoid valve of electrically controlled high-pressure common-rail fuel injection system of diesel engine |
| CN103867780A (en) * | 2014-04-02 | 2014-06-18 | 中山市思源电器有限公司 | Fuel gas electromagnetism proportional valve |
| CN104477236A (en) * | 2014-10-27 | 2015-04-01 | 江苏大学 | Electro-hydraulic proportional solenoid valve |
| CN105626874A (en) * | 2016-03-16 | 2016-06-01 | 芜湖美的厨卫电器制造有限公司 | Gas proportional valve |
| CN205559939U (en) * | 2016-04-18 | 2016-09-07 | 中山市思源电器有限公司 | Improve gas proportional valve of rubber component installation |
| CN206563089U (en) * | 2017-02-28 | 2017-10-17 | 芜湖美的厨卫电器制造有限公司 | Gas ratio valve and gas utensil |
-
2018
- 2018-10-24 CN CN201811245991.4A patent/CN109027222B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1580617A (en) * | 2003-08-08 | 2005-02-16 | 卡尔弗罗伊登柏格两合公司 | Electromagnetic valve |
| CN202252263U (en) * | 2011-10-21 | 2012-05-30 | 沈阳化工大学 | Proportional solenoid valve of electrically controlled high-pressure common-rail fuel injection system of diesel engine |
| CN102352874A (en) * | 2011-10-31 | 2012-02-15 | 浙江大学 | Digital pure water hydraulic proportional overflow valve |
| CN103867780A (en) * | 2014-04-02 | 2014-06-18 | 中山市思源电器有限公司 | Fuel gas electromagnetism proportional valve |
| CN104477236A (en) * | 2014-10-27 | 2015-04-01 | 江苏大学 | Electro-hydraulic proportional solenoid valve |
| CN105626874A (en) * | 2016-03-16 | 2016-06-01 | 芜湖美的厨卫电器制造有限公司 | Gas proportional valve |
| CN205559939U (en) * | 2016-04-18 | 2016-09-07 | 中山市思源电器有限公司 | Improve gas proportional valve of rubber component installation |
| CN206563089U (en) * | 2017-02-28 | 2017-10-17 | 芜湖美的厨卫电器制造有限公司 | Gas ratio valve and gas utensil |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109027222B (en) | 2021-06-25 |
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