CN100443788C - Bistationary state electro magnetic valve - Google Patents
Bistationary state electro magnetic valve Download PDFInfo
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- CN100443788C CN100443788C CNB2005100602115A CN200510060211A CN100443788C CN 100443788 C CN100443788 C CN 100443788C CN B2005100602115 A CNB2005100602115 A CN B2005100602115A CN 200510060211 A CN200510060211 A CN 200510060211A CN 100443788 C CN100443788 C CN 100443788C
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- pipe
- permanent magnet
- spool
- electromagnetic valve
- bistable electromagnetic
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Abstract
A bistable magnetic valve connected on the refrigerating machine set for controlling the flow direction of the refrigerant comprises a valve body member and a control coil. The valve body member has a spool cavity, an inlet and two outlets in communication with the spool cavity and a magnetic induction ball valve spool disposed in the spool changing its position by the above control coil to seal the above two outlets selectively.
Description
Technical field
The present invention is a kind of bistable electromagnetic valve.
Background technique
Traditional solenoid valve is the control of electric current hold mode, promptly in control coil, with generation magnetic field spool is remained on the working position of requirement by the maintenance electric current that requires always, not only power consumption is big, and the very big heat of generation burns control coil easily, or make the control coil framework deformation, cause valve body not work.The bistable electromagnetic valve of at present international more popular use, its working principle is that electromagnetic force is combined with permanent magnetism power, the electromagnetic force that produces with impulsive current changes the working position of spool and changes the conversion of solenoid valve between two kinds of working staties, rely on permanent magnetism power that spool is remained on this working position and keeps work, need not keep electric current to keep, it has not only saved energy consumption widely, improved the life-span and the reliability of solenoid valve, realized need not to keep the bistable state of electric current---promptly do not need to keep electric current and just can stablize the arbitrary working state that keeps solenoid valve to be operated in two kinds of working staties.
Along with more and more higher, to working life of solenoid valve, requirements such as comprehensive applicability of refrigeration agent, manufacture cost are also being improved constantly to the performance and the requirements of saving energy of home-use freezing, refrigeration unit.A kind of solenoid valve is disclosed in Chinese ZL03271725.3 patent, be provided with valve pocket, keep spool (being valve body) steady state of two positions about valve pocket by being arranged on two outer permanent magnets of valve sleeve, the spool outside is a soft-magnetic stainless steel, inside is block rubber, by the sealing valve port of rubber parts and valve seat.The solenoid valve of this structure, the used rubber parts intensity of its spool is not high, always with identical position and valve port bump, makes that be not very long the working life of solenoid valve; Spool is made complexity because component are more, and manufacture cost is higher; Spool moves with slide type under the electromagnetic force effect, and many owing to contacting with the spool chamber inwall, needs bigger inrush current just can move flexibly, still has the situation of energy loss; Because of the compatibility issue of rubber parts and refrigerant, the selection of rubber parts also comparatively bothers in addition, and is also very single to being suitable for of refrigeration agent.
Summary of the invention
The technical assignment of the technical problem to be solved in the present invention and proposition is to overcome short, defective such as valve core structure is complicated, energy consumption is big of existing above-mentioned life-span of existing product, provide a kind of new bistable electromagnetic valve, to increase the service life, to simplify valve core structure, to cut down the consumption of energy; And further strengthen the adaptability of spool to multiple refrigeration agent.For this reason, the present invention takes following technical proposals:
A kind of bistable electromagnetic valve, comprise valve body parts and control coil, described valve body parts has a spool chamber, communicate with spool chamber and to be provided with import and two outlets, described spool chamber built-in one changes its position by described control coil and optionally described two outlets is sealed and hold it in the spool of corresponding sealing station by permanent magnet, it is characterized in that:
Described spool is a sense magnetic spheroid;
Described spool chamber is valve seat formation of shutoff respectively at pipe two ends;
The outer surface of tube wall of described pipe has the depression position, and described permanent magnet is fixed on this depression position;
Described import is opened on the described depression position;
In the arranged outside of described pipe and permanent magnet sleeve pipe as enclosed construction is arranged, and two valve seats at pipe two ends are connected with this sleeve pipe closed at both ends, thereby described pipe and permanent magnet are enclosed in this sleeve pipe, form second cavity that communicates with outside entrance sleeve simultaneously between sleeve pipe, pipe and two valve seats, this second cavity communicates with the spool chamber that holds described sense magnetic spheroid by import.
This programme makes that by spool being made as sense magnetic spheroid its structure is simplified, and is convenient to make and is beneficial to the saving manufacture cost; Based on its special structure, under the electromagnetic force effect, move and change the working position in the mode of rolling, in course of action, contact less with the spool chamber inwall, required electromagnetic force is smaller, is beneficial to energy efficient; And owing to any position of whole sense magnetic spheroid all can cooperate with two outlets, sphere structure makes spool can feel relieved well in spool chamber, and, can also reduce the buckles of valve body, thereby can prolong its working life valve seat because the quality of spherical valve core is little.
Described spool chamber is shutoff to be carried out at the pipe two ends form, so that processing and assembling.
The outer surface of tube wall of described pipe has the depression position, and described permanent magnet is fixed on this depression position.Make permanent magnet and pipe outer wall shape match, in order to assembling.
Described import is offered on the described depression position; And the arranged outside at described pipe and permanent magnet has another enclosed construction to form second cavity that communicates with described spool chamber by this import, and second cavity communicates with the entrance sleeve of outside.This structure helps reducing the volume of spool, and then reduces and order about the electromagnetic force of its action, thereby cuts down the consumption of energy.
Described enclosed construction is a sleeve pipe, and two valve seats at described pipe two ends are connected with this sleeve pipe closed at both ends, thereby described pipe and permanent magnet are enclosed in this sleeve pipe.The structure of a this thing dual-purpose has reduced the member of formation of solenoid valve product, makes more compact and reasonable of product structure.
As the further of technique scheme improved and replenish, its structure more is tending towards rationally, simplified manufacturing technique, the present invention also comprises following additional technical feature:
Described sense magnetic spheroid is a steel ball.Strengthen the adaptability of spool to multiple refrigeration agent.
Described two outlets are opened in respectively on two valve seats.
Described depression position has annular projection, and described permanent magnet is two, is the fan ring-type, and the two spacing block by a slice fan ring-type is positioned on the described annular projection, thereby forms the gap between the tube wall of permanent magnet and described pipe.A spacing block can guarantee two relative positions that permanent magnet is constant, and the magnetic field of Xing Chenging is with respect to the center line of valve rotation symmetry thus, thus obtain with axis very parallel to sense magnetic spheroid attraction force as spool.
Control coil is sleeved on described pipe and the permanent magnet.To obtain stronger can acting on as the electromagnetic field on the sense magnetic spheroid of spool.
Described import is several through holes that are opened on the described depression position.Thereby the feasible pressure that acts on the spheroid spool after exposed part, gap and the import (some through holes) at second cavity, depression position enter spool chamber from the medium of outside tends to balance, strengthen the flexibility of spheroid spool, and help reducing the required electromagnetic force of spheroid spool action.
Described control coil is sleeved on the described sleeve pipe.
Described valve seat is provided with the projection of described sleeve pipe interference fit or is beneficial to the groove of the described sleeve pipe of roll extrusion.Be used for pipe and permanent magnet are carried out axially locating, be beneficial to the accuracy of assembling.
The magnetic direction of described permanent magnet is along the axial distribution of described pipe.Be beneficial to as the sense magnetic spheroid of spool and obtain stronger permanent magnetism power and remain on the working position of requirement.
The present invention is by spool being transformed into sense magnetic spheroid, and is simple in structure, flexible movements, long service life, energy efficient; And because its manufactured materials is single, thereby strengthen the adaptability of multiple refrigeration agent of its year old.
Description of drawings
Fig. 1 is a kind of concrete structure schematic representation of the present invention.
Fig. 2 is the valve body parts structure enlarged view in the structure shown in Figure 1.
Fig. 3 is the A-A sectional view of Fig. 2.
Fig. 4 is the structural representation (depression angle of Fig. 1 relatively) that is used to assemble the housing of control coil of the present invention.
Among the figure: 1. valve body parts, 11. pipes, 12. magnet steel, 13. spacing blocks, 14. steel balls, 15a. valve seat, 15b. valve seat, 16. sleeve pipes, 17. imports, 18a. outlet, 18b. outlet; 2. control coil, 3. housing, 31. sides, 32. sides, 3a. positioning hole, 3b. positioning hole, 3A. housing inner chamber; 4. entrance sleeve; 5. discharge connection; 6. discharge connection.
Embodiment
Embodiment one:
Solenoid valve as shown in Figure 1 is made of valve body parts 1, an entrance sleeve 4, two outlet adapters 5 and 6, control coil 2 and solenoid housing 3 etc., wherein:
Valve body parts 1 comprises sleeve pipe 16 as enclosed construction, as the spacer of pipe 11, two fan annular magnetic steels 12, spacing block 13, two valve seat 15a, 15b and steel balls 14 as spool: sleeve pipe 16 is pipe; Spacer also is a pipe, its external diameter is slightly less than casing inner diameter, and have annular groove shape depression position 11a in its outer surface of tube wall intermediate portion, the middle part of depression position 11a is provided with annular projection 11b, offers some through holes in annular projection 11b both sides and communicates with spacer inside as import 17; Two fan annular magnetic steels 12 fixes (such as bonding) on the annular projection 11b at this depression position (spacing block also be fixed on the annular projection at this depression position on) with its magnetic direction along spacer axial distribution symmetry by the spacing block 13 isolation backs of fan ring-type, thereby position 11a forms exposed part 11c in this depression, and between the tube wall of permanent magnet 12 and described pipe 11, form gap 11d, thereby make the spool chamber 1A that hereinafter addresses by the exposed part 11c at import 17 (some through holes), gap 11d and depression position and the second cavity 1B perforation of hereinafter addressing; Two valve seat 15a, 15b all have two big or small peripheries that cooperatively interact with described sleeve pipe 16, spacer, respectively offer outlet 18a, a 18b in their central position; Steel ball 14 is placed in the spacer, and the less periphery that passes through valve seat 15a, 15b welds shutoff at the spacer two ends, the spool chamber 1A of steel ball spool is held in formation, under magnet steel 12 the action of a magnetic fields, steel ball 14 always is positioned at the end of spool chamber 1A and with an exit seal, promptly realizes the bistable state of solenoid valve; To form spacer, valve seat 15a and the 15b of one and magnet steel 12 afterwards, spacing block 13 (they are core assembly to comprise steel ball 14 titles) places in the sleeve pipe 16 together, again the big periphery welding shutoff by two valve seat 15a, 15b at sleeve pipe 16 two ends (about realizing the axially locating of core assembly in sleeve pipe, to address hereinafter), thereby between sleeve pipe 16, spacer and two valve seat 15a, 15b, form the second cavity 1B, and the second cavity 1B communicates with the spool chamber 1A that holds steel ball by import 17; A valve seat 15a goes up and connects the entrance sleeve 4 that communicates with the second cavity 1B therein.So far, valve body parts 1 has possessed from entrance sleeve 4 and imports medium and optionally outwards derive the architecture basics of media from two outlets in spool chamber 1A, therefore, apply electromagnetic force by control coil 1 to steel ball 14 and promptly can change the position of steel ball and the working state of switching valve parts by what hereinafter address.
With pack into the intermediate throughholes of control coil 2 of sleeve pipe 16, then control coil 2 is packed within the inner chamber 3A of housing 3 with valve body parts 1, two end faces of valve body parts 1 and control coil 2 all match with two sides 31 and 32 of inner chamber 3A, therefore total energy guarantees that valve body parts 1 within control coil 2, improves the magnetic flux in the valve body parts; Discharge connection 5,6 and entrance sleeve 4 passed to be welded on behind the positioning hole 3a of relevant position and the 3b on the corresponding valve seat with corresponding export and import communicate.So far, promptly possesses a complete operational electromagnetic valve structure with bistable state.During use, the phase adapter of this solenoid valve is connected on the respective media pipeline of cooling machine set such as freezing, refrigeration, DC electrical source with different direction applies pulse to control coil, can produce rightabout electromagnetic field, electromagnetic field effect is on steel ball and impose on the rightabout electromagnetic force of steel ball, overcome magnet steel the magnetic force of steel ball is changed the steel ball position, realize the switching of solenoid valve working state.As seen, in solenoid valve inside, the place that refrigerant need pass through does not have plastics and rubber parts, so the present invention can be suitable for more refrigerant.
For realizing that the axially locating of core assembly in sleeve pipe has dual mode:
The one, roll extrusion mode: promptly in the periphery and the internal surface of sleeve pipe loose fit of valve seat, on the valve seat periphery, offer the annular groove (not shown), core assembly is packed in the sleeve pipe, the ring-type roll extrusion is inwardly carried out at position corresponding with annular groove on sleeve pipe, can easily reach axial restraint and stop foreign matter to enter internal cavity, use welded seal at last.
The 2nd, adopt the close-fitting mode to come the axial restraint core assembly: promptly the periphery of two valve seats is provided with the annular projection (not shown), adopts the method that is pressed into sleeve pipe, with the core assembly axial restraint.
This embodiment focus on structure and the structure of describing the claimed scheme product of patent, and annexation and Placement between each component part of wherein addressing according to actual production technology, can change; Especially in the literary composition each component part address order, be to adopt in order to know description scheme and structure, the practical set process of representative products not.
Embodiment two:
The embodiment that can default one sleeve pipe, on the depression position of spacer, do not offer through hole as import, and import directly is opened in one of them valve seat and is set up in parallel with outlet on this valve seat, control coil then directly is sleeved on embodiment's one described core assembly, form as disclosed structure in the ZL03271725.3 patent, can reach the technique effect of scheme equally, not repeat them here.
Claims (9)
1, a kind of bistable electromagnetic valve, comprise valve body parts (1) and control coil (2), described valve body parts (1) has a spool chamber (1A), communicate with spool chamber (1A) and to be provided with import (17) and two outlets (18a, 18b), described spool chamber (1A) built-in one changes its position by described control coil (2) and optionally goes out (18a, 18b) to described two and seals and hold it in the spool of corresponding sealing station by permanent magnet (12), it is characterized in that:
Described spool is a sense magnetic spheroid;
Described spool chamber (1A) is valve seat of shutoff (15a, 15b) formation respectively at a pipe (11) two ends;
The outer surface of tube wall of described pipe (11) has depression position (11a), and described permanent magnet (12) is fixed on this depression position (11a), and described import (17) is opened on the described depression position (11a);
In the arranged outside of described pipe (11) and permanent magnet (12) sleeve pipe (16) as enclosed construction is arranged, and two valve seat (15a at pipe (11) two ends, 15b) be connected with this sleeve pipe (16) closed at both ends, thereby described pipe (11) and permanent magnet (12) are enclosed in this sleeve pipe (16), simultaneously in sleeve pipe (16), pipe (11) and two valve seat (15a, form second cavity (1B) that communicates with outside entrance sleeve (4) 15b), this second cavity (1B) communicates with the spool chamber (1A) that holds described sense magnetic spheroid by import (17).
2, bistable electromagnetic valve according to claim 1 is characterized in that described sense magnetic spheroid is steel ball (14).
3, bistable electromagnetic valve according to claim 1 and 2, it is characterized in that described two outlets (18a) (18b) be opened in respectively two valve seats (15a) (15b) on.
4, bistable electromagnetic valve according to claim 1 and 2, it is characterized in that described depression position (11a) has annular projection (11b), described permanent magnet (12) is two, be the fan ring-type, the two spacing block (13) by a slice fan ring-type is positioned on the described annular projection (11b), thereby forms the gap between the tube wall of permanent magnet (12) and described pipe (11).
5, bistable electromagnetic valve according to claim 1 and 2 is characterized in that described control coil (2) is sleeved on described pipe (11) and the permanent magnet (12).
6, bistable electromagnetic valve according to claim 1 and 2 is characterized in that described import (17) is for being opened in several through holes on the described depression position (11a).
7, bistable electromagnetic valve according to claim 1 and 2 is characterized in that described control coil (2) is sleeved on the described sleeve pipe (16).
8, bistable electromagnetic valve according to claim 1 and 2 is characterized in that described valve seat is provided with the projection of described sleeve pipe interference fit or is positioned at annular groove on the valve seat periphery.
9, bistable electromagnetic valve according to claim 1 and 2 is characterized in that the axial distribution of the magnetic direction of described permanent magnet (12) along described pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100602115A CN100443788C (en) | 2005-07-29 | 2005-07-29 | Bistationary state electro magnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100602115A CN100443788C (en) | 2005-07-29 | 2005-07-29 | Bistationary state electro magnetic valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1904427A CN1904427A (en) | 2007-01-31 |
| CN100443788C true CN100443788C (en) | 2008-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100602115A Active CN100443788C (en) | 2005-07-29 | 2005-07-29 | Bistationary state electro magnetic valve |
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| CN (1) | CN100443788C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155568B (en) * | 2010-02-11 | 2012-12-12 | 浙江三花制冷集团有限公司 | Bistable electromagnetic valve and heat exchanging device comprising same |
| CN109307390A (en) * | 2017-07-28 | 2019-02-05 | 浙江三花智能控制股份有限公司 | Pressure retaining valve and filter |
| CN109307391A (en) * | 2017-07-28 | 2019-02-05 | 浙江三花智能控制股份有限公司 | Refrigerator refrigeration system |
| CN110259999A (en) * | 2019-07-24 | 2019-09-20 | 清华大学 | Valve and hydraulic system |
| CN112113002B (en) * | 2020-08-21 | 2022-04-19 | 欧路莎股份有限公司 | Ultrasonic switching integrated valve for ultrasonic jet cleaning device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5259233A (en) * | 1991-04-24 | 1993-11-09 | American Air Liquide | Counterflow valve |
| JP2000074232A (en) * | 1998-06-19 | 2000-03-14 | Yazaki Corp | Adjusting valve for gas cylinder manifold |
| CN2437917Y (en) * | 2000-07-31 | 2001-07-04 | 浙江三花集团有限公司 | Energy-saving two-position three-way solenoid valve |
| CN2517929Y (en) * | 2001-12-11 | 2002-10-23 | 宜兴市四通塑粉有限公司 | Improved double steady-state two-position three-way pulse electromagnetic valve |
| CN2597787Y (en) * | 2003-02-24 | 2004-01-07 | 浙江三花集团有限公司 | Electric rotary fluid change-over valve |
| CN2636011Y (en) * | 2003-06-26 | 2004-08-25 | 浙江三花集团有限公司 | Low noise bistable electromagnetic valve |
| CN2670703Y (en) * | 2003-08-29 | 2005-01-12 | 王群辉 | Bistable two position and three way impulse solenoid valve |
-
2005
- 2005-07-29 CN CNB2005100602115A patent/CN100443788C/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5259233A (en) * | 1991-04-24 | 1993-11-09 | American Air Liquide | Counterflow valve |
| JP2000074232A (en) * | 1998-06-19 | 2000-03-14 | Yazaki Corp | Adjusting valve for gas cylinder manifold |
| CN2437917Y (en) * | 2000-07-31 | 2001-07-04 | 浙江三花集团有限公司 | Energy-saving two-position three-way solenoid valve |
| CN2517929Y (en) * | 2001-12-11 | 2002-10-23 | 宜兴市四通塑粉有限公司 | Improved double steady-state two-position three-way pulse electromagnetic valve |
| CN2597787Y (en) * | 2003-02-24 | 2004-01-07 | 浙江三花集团有限公司 | Electric rotary fluid change-over valve |
| CN2636011Y (en) * | 2003-06-26 | 2004-08-25 | 浙江三花集团有限公司 | Low noise bistable electromagnetic valve |
| CN2670703Y (en) * | 2003-08-29 | 2005-01-12 | 王群辉 | Bistable two position and three way impulse solenoid valve |
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| Publication number | Publication date |
|---|---|
| CN1904427A (en) | 2007-01-31 |
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Owner name: ZHEJIANG SANHUA GROUP CO., LTD. Free format text: FORMER OWNER: SANHUA REFRIGERATION GROUP CO., LTD., ZHEJANG Effective date: 20140624 |
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Effective date of registration: 20140624 Address after: 312500 Zhejiang city of Shaoxing province Xinchang County Chengguan town of Liquan Patentee after: Zhejiang Sanhua Group Co., Ltd. Address before: 312500 Zhejiang County in Xinchang Province town of Liquan Patentee before: Sanhua Refrigeration Group Co., Ltd., Zhejang |
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Address after: 312500 Xinchang, Zhejiang Qixing street under the Liquan Patentee after: Zhejiang three flower intelligent control Limited by Share Ltd Address before: 312500 Zhejiang city of Shaoxing province Xinchang County Chengguan town of Liquan Patentee before: Zhejiang Sanhua Group Co., Ltd. |
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