CN104132177A - Miniature solenoid valve - Google Patents
Miniature solenoid valve Download PDFInfo
- Publication number
- CN104132177A CN104132177A CN201410352236.1A CN201410352236A CN104132177A CN 104132177 A CN104132177 A CN 104132177A CN 201410352236 A CN201410352236 A CN 201410352236A CN 104132177 A CN104132177 A CN 104132177A
- Authority
- CN
- China
- Prior art keywords
- electromagnetic valve
- valve
- miniature electromagnetic
- permanent magnet
- solenoid 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.)
- Pending
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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
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/029—Electromagnetically actuated valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a miniature solenoid valve. The miniature solenoid valve comprises a valve body, a valve deck and a valve pin. The valve deck comprises air channels. The valve pin comprises a sliding sleeve, and a pair of permanent magnets with the poles arranged oppositely are arranged in the sliding sleeve. The drift diameter of the air channels ranges from 2.0 mm to 10.0 mm. The permanent magnets instead of a mechanical spring are adopted in the valve pin, the poles of the permanent magnets are arranged oppositely, the driving force of an electromagnetic switch is greatly increased, the sensitivity to disconnection or connection of the air inlet channel and the air outlet channel by the solenoid valve is higher, and reversing of the electromagnetic switch is more flexible and faster. The drift diameter of the air channels ranges from 2.0 mm to 10.0 mm, and therefore the area of the air channels is enlarged by 25-100 times than that of an existing solenoid valve, and the application range of the miniature solenoid valve is greatly expanded.
Description
Technical field
The present invention relates to a kind of solenoid valve, be specifically related to a kind of miniature electromagnetic valve.
Background technique
Miniature electromagnetic valve is the crucial executive component in a kind of automated control technology widely using, at present, miniature electromagnetic valve on market is due to the reason of the aspects such as design principle, structure and manufacture, it is less than normal that ubiquity negotiability, the defect such as extensive needs, the operating current that can not adapt to user are large, coil easily generates heat, can not work long hours.
Application number is that 201120174797.9 patent discloses a kind of low-power miniature electromagnetic valve, this solenoid valve improves the deficiency of above-mentioned traditional miniature electromagnetic valve, as: make the inlet hole latus rectum of valve body be extended to 0.7-2.0mm from original 0.7mm, thereby make can being much improved by rate-of flow of miniature electromagnetic valve, but compare with a lot of functional needs, medium latus rectum is still less than normal, it still exists to adopt and continues the working method of high current electrifying (referring to the intensification heating that operating current can cause electromagnetic valve coil not allowed) and the structure of utilizing mechanical spring to reset simultaneously, cause existing solenoid valve using scope partially narrow, use flexibility shortcoming to also have switch sensitive reversing degree poor, coil is prone to heating, hot phenomenon, working life the problem such as short and poor stability.
Summary of the invention
The object of this invention is to provide a kind of miniature electromagnetic valve, the problem that solve that existing electromagnetic valve switch MEDIA FLOW flux is little, the easily heating that works long hours causes short and switch commutation very flexible in working life.
One embodiment of the present of invention are to provide a kind of miniature electromagnetic valve, comprise valve body, valve gap and bibcock; Valve gap comprises air flue;
Bibcock comprises sliding sleeve, is provided with a pair of permanent magnet that the utmost point is arranged in sliding sleeve;
The latus rectum of air flue is 2.0-10.0mm.
According to the application embodiment, the latus rectum of air flue is 2.1-8.0mm.
According to the application embodiment, sliding sleeve is the sleeve pipe of thin-walled necking down, and the wall thickness of sleeve pipe is less than or equal to 1mm;
According to the application embodiment, bibcock also comprise be installed in sliding sleeve and switch lever and the switch lever locating stud being flexibly connected with sliding sleeve, the seal ring that is arranged at switch lever end, for positioning block under positioning block and permanent magnet on the permanent magnet that permanent magnet is positioned and the demarcation strip between a pair of permanent magnet.
According to the application embodiment, valve gap also comprises top board and is arranged in valve between air flue vent in air cavity and chamber; Air flue comprises intake duct and air outlet channel.
According to the application embodiment, valve body comprises seal arrangement, top base, the magnetic conduction casing being connected with top base, be arranged at coil rack in magnetic conduction casing and electromagnetic coil, for coil rack positioning plate that coil rack is positioned, for taking up the bottom of coil rack positioning plate.
According to the application embodiment, seal arrangement comprises seal ring seat board, lower seal seat board and two O-ring seals between upper seal ring seat board and lower seal seat board.
According to the application embodiment, coil rack adopts the coil axis sleeve structure overhanging to two ends, to play the positioning and guiding effect to bibcock.
According to the application embodiment, electromagnetic coil adopts enamel wire coil to guarantee obtaining maximum magnetic flux in the situation that the heating that works long hours is little.
According to the application embodiment, permanent magnet is cylindrical or hexagon or ellipse or rectangle or square.
In the application's embodiment's solenoid valve, comprise valve body, valve gap and bibcock; Wherein, bibcock is movement parts, moves back and forth, to realize the connected sum block function to air flue; This miniature electromagnetic valve can need to be designed to miniature two various way solenoid valves of many moneys such as two-position two-way solenoid valve, two-position three way magnetic valve, two-position four-way solenoid valve, two-position-five-way solenoid valve and two six three-way electromagnetic valves according to the actual use of user.
The technological scheme of the application's miniature electromagnetic valve has following beneficial effect:
1) the application's bibcock does not adopt mechanical spring, but having designed a pair of permanent magnet, this permanent magnet is arranged the utmost point, has greatly improved the driving force of magnetic switch, and making the blocking-up of solenoid valve, the sensitivity of connection turnover air flue is higher, magnetic switch commutation is more flexibly, fast.
2) the application's bibcock has adopted a pair of permanent magnet that the utmost point is arranged, for magnetic switch provides very large driving force, this power is enough to support the application's air flue latus rectum to be designed to 2.0-10.0mm, thereby the existing solenoid valve of the Area Ratio that makes air-flow path has expanded 25-100 doubly, has expanded widely the Applicable scope of miniature electromagnetic valve.
3) the powerful driving force providing due to the application's the permanent magnet to utmost point setting, even if this miniature electromagnetic valve switch motion still can normally be worked in lower commutation voltage, electric current and lower maintaining under voltage, electric current, and turn around time is short; And owing to having adopted power transformation pressure drop electric current commutation maintenance technology, make this solenoid valve long-term work heating little, guaranteed stability and the reliability of the prolonged and repeated work of this solenoid valve, increase the service life.
4) the application has adopted unique seal arrangement and special switch lever end part seal circle, makes this miniature electromagnetic valve have good sealability.
5) the application's sliding sleeve adopts the sleeve pipe of thin-walled necking down, a pair of permanent magnet in sleeve pipe can be located easily, and can greatly reduce the resistance of bibcock switch motion; Even if adopt thin-walled in the situation that greatly reducing the bibcock switch current of commutation, still can obtain the close sealing force of enough large bibcock to vent in chamber.
Accompanying drawing explanation
Fig. 1 is an embodiment's of the application the miniature electromagnetic valve sectional drawing when air flue is communicated with;
Fig. 2 is an embodiment's of the application the miniature electromagnetic valve sectional drawing when air flue is blocked;
Fig. 3 is the stereogram of an embodiment's of the application coil rack.
Fig. 4 is the stereogram of an embodiment's of the application sliding sleeve.
In these accompanying drawings, with identical reference number, represent same or analogous part;
Wherein, 1, valve body; 11, bottom; 12, coil rack positioning plate; 13, coil rack; 14, electromagnetic coil; 15, irony magnetic conduction casing; 16, top base; 17, lower seal seat board; 18, upper seal ring seat board; 19, O-ring seals; 2, valve gap; 21, top board; 22, intake duct is taken over and is chewed; 23, vent in chamber; 24, air cavity in valve; 25, air outlet channel is taken over and is chewed; 3, bibcock; 31, seal ring; 32, switch lever; 33, sliding sleeve; 34, positioning block on permanent magnet; 35, switch lever locating stud; 36, permanent magnet; 37 demarcation strips; 38, positioning block under permanent magnet.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described; so that those skilled in the art understand the present invention; but should be clear; the invention is not restricted to the scope of embodiment; to those skilled in the art; as long as various variations appended claim limit and definite the spirit and scope of the present invention in, these variations are apparent, all utilize innovation and creation that the present invention conceives all at the row of protection.
For the sake of simplicity, omitted in below describing and well known to a person skilled in the art some technical characteristics.
According to the application embodiment, a kind of miniature bi-bit bi-pass digital solenoid valve is provided, as Fig. 1, section of structure when Fig. 1 is communicated with for this miniature electromagnetic valve turnover air flue; This bi-bit bi-pass digital solenoid valve comprises: valve body 1, valve gap 2 and bibcock 3; Wherein, valve body 1 and valve gap 2 form the static element of this micro electromagnetic valve arrangement, and bibcock 3 is to do straight reciprocating motion to realize the movable part of two of open and close;
Wherein, valve body 1 comprises bottom 11, coil rack positioning plate 12, coil rack 13, electromagnetic coil 14, irony magnetic conduction casing 15, top base 16, lower seal seat board 17, upper seal ring seat board 18 and upper and lower two O-ring seals;
As Fig. 3, the stereogram that Fig. 3 is coil rack, this coil rack 13 adopts the coil axis sleeve mode of structure overhanging to two ends, to keep bibcock 3 all to have good positioning and guiding in transfixion with when reciprocating.
Electromagnetic coil 14 adopts enamel wire coil, is guaranteeing under the prerequisite that solenoid valve reliably commutates and the coil heating that works long hours is little, and the enameled cable coiling that adopts wire diameter to try one's best thin, to increase to greatest extent coil turn, and then obtains maximum magnetic flux.
Irony magnetic conduction casing 15 is that bottom base adopts special cylindrical shape iron-clad, it is the critical piece of valve body 1, it is the irony magnetic conduction casing on electromagnetism closed-loop path, shell as solenoid valve is used again, thereby, structural strength and the reliability of valve body can be guaranteed, the physical dimension of solenoid valve can be effectively dwindled again.
Top base 16 adopts special sheath body pedestal, for the motion positions of the bibcock 3 of solenoid valve and function sealing (integral sealing that the solenoid valve when passing in and out gas circuit blocking-up sealing and gas circuit and being communicated with is ventilated to gas circuit) provide highi degree of accuracy, high reliability.
Valve gap 2 comprises vent 23 and the interior air cavity 24 of valve in top board 21, intake duct, air outlet channel, chamber; Wherein, in chamber vent 23 in the situation that being communicated with into and out of air flue as shown in Figure 1, in the situation that being blocked into and out of air flue as shown in Figure 2.
According to the application embodiment, the latus rectum of intake duct and air outlet channel is 2.0-10.0mm, makes to have expanded 25-100 doubly into the existing solenoid valve of Area Ratio of outlet passageway, has greatly expanded the Applicable scope of miniature electromagnetic valve; Intake duct is provided with intake duct adapter and chews 22, and air outlet channel is provided with air outlet channel adapter and chews 25.
Bibcock 3 comprises sliding sleeve 33, switch lever 32, is arranged on the seal ring 31 of switch lever 32 terminations, positioning block 38 under positioning block 34, switch lever locating stud 35 and permanent magnet on a pair of permanent magnet 36 that the utmost point is arranged, demarcation strip 37, permanent magnet; Sliding sleeve 33 is flexibly connected with switch lever 32, take at utmost as the switch of switch lever 32 power is provided; Switch lever 32 ends adopt special seal ring 31, can not only play good seal action, the two way sealed that can also adapt to well air flue simultaneously, be the seal request of positive and negative pressure while acting on switch lever top end, than the situation that much can only be applicable to positive air pressure or negative air pressure in prior art, had thoroughly and changed.
According to the application embodiment, permanent magnet 36 is cylindrical or oval or hexagon, the present invention adopts permanent magnet 36, and does not adopt mechanical spring to reset, two commutation machinery-free inertia of switch, and permanent magnet 36 had both been used start iron core, being movement parts, is again actuator, therefore, the sensitivity of the blocking-up of miniature electromagnetic valve and connection turnover air flue is very high, and commutating speed is fast.
The very strong driving force that this provides the permanent magnet 36 of utmost point setting, though make this miniature electromagnetic valve switch motion in the situation that greatly reduce solenoid valve commutation voltage, electric current, maintain voltage, electric current and still can normally work, and turn around time is short; The present embodiment adopts power transformation pressure drop electric current commutation maintenance technology, and commutation voltage is less than 12V, and electric current is less than 200mA; Keep voltage to be less than or equal to 5V, electric current is less than 100mA, and therefore, the required control electric current of bibcock switch motion is little, and its location keeps electric current also little, long-term work
generate heat littlethis embodiment's the solenoid valve of take is example, with every 3 seconds, 5 seconds, 10 seconds, cut-off once, did respectively and reached many tests half a year, its switch number of times surpasses 1,000,000-1,500,000 times, and experiment shows, hot phenomenon does not all appear in all solenoid valve test specimens when long-term work, prolonged and repeated stable work in work, sealability is good.
According to the application embodiment, as Fig. 4, Fig. 4 is the stereogram of sliding sleeve, sliding sleeve 33 adopts copper sleeve or the plastic bushing of thin-walled necking down, the wall thickness of sleeve pipe is less than or equal to 1mm, not only can make a pair of permanent magnet 36 of sliding sleeve 33 interior settings locate easily, but also can greatly reduce the resistance of bibcock 3 switch motions, and adopt the thin-walled can be in the situation that greatly reducing the bibcock 3 switch current of commutation, obtain the sealing force of closing of vent in 3 pairs of chambeies of enough large bibcock.
The application's miniature electromagnetic valve has adopted unique Seal Design and special seal ring 31, makes this solenoid valve have good sealability; Experiment shows, blocks after turnover air flue, continues in tens hours, and bleed pressure keeps not falling, and not only between intake duct, air outlet channel, nothing is leaked gas, and also has no to reveal to occur between miniature electromagnetic valve inner cavity chamber and external environmemt.
Because the to-and-fro motion of the sealing of solenoid valve and the sliding sleeve 33 of bibcock 3 is irrelevant, therefore, the suffered surface friction drag of the switch motion of bibcock 3 is very little; And because the air circulating by solenoid valve completely can not contact with the relevant surfaces relevant with bibcock 3 to-and-fro motion, so this solenoid valve is not high to user's air purity and degree of dryness requirement, greatly facilitates user's use.
From the working principle of solenoid valve, valve body 1 is the stator of solenoid valve, and correspondingly bibcock 3 is movers of solenoid valve, when we need to make intake duct, the air outlet channel of solenoid valve become blocking state from connected state, as long as numerical control system applies the transient pulse electric current of 12V, 170-200mA left and right to the electromagnetic coil 14 of valve body 1, due to the interior corresponding generation moment magnetic flux of irony magnetic conduction casing 15, produce powerful directive force of moment will to bibcock 3, make switch lever 32 instantaneous motions to the closed condition (as shown in Figure 2) that makes intake duct and air outlet channel in blocking-up, because electricity maintenance function falls in the real-time transformation of numerical control system, the electrical quantity of system is down to 5V immediately, the low voltage low current condition of 80mA, and under this electric parameter state, make the switch lever 32 of bibcock 3 remain on firmly the closed condition that makes intake duct and air outlet channel blocking-up, and by the effect of good special seal ring 31, make source of the gas gas keep not leaking, when needs are communicated with intake duct and air outlet channel, only need numerical control system to apply back current to electromagnetic coil 14.
According to design principle and the design proposal of logical miniature electromagnetic valve more than the application's two, be easy to design two various way solenoid valves of bi-bit bi-pass, two-position three way, two-position four-way, two-position five-way and two six Multiple Types such as logical, this miniature electromagnetic valve, easily according to user's actual requirement, is expanded out extensively applicable application area; And this miniature logical digital solenoid valve automaticity more than two is very high, electronic circuit adopts novel small and exquisite computer numeral control technique, greatly facilitates user's application.
The embodiment who the foregoing is only the application, is not limited to the application, and for a person skilled in the art, the application can have various modifications and variations.All within the application's spirit and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in the application's claim scope.
Claims (10)
1. a miniature electromagnetic valve, comprises valve body, valve gap and bibcock; Described valve gap comprises air flue; It is characterized in that:
Described bibcock comprises sliding sleeve, is provided with a pair of permanent magnet that the utmost point is arranged in described sliding sleeve;
The latus rectum of described air flue is 2.0-10.0mm.
2. miniature electromagnetic valve according to claim 1, is characterized in that: the latus rectum of described air flue is 2.1-8.0mm.
3. miniature electromagnetic valve according to claim 1, is characterized in that: described sliding sleeve is the sleeve pipe of thin-walled necking down.
4. according to the miniature electromagnetic valve described in claim 1 or 2 or 3, it is characterized in that: described bibcock also comprise be installed in sliding sleeve and switch lever and the switch lever locating stud being flexibly connected with sliding sleeve, the seal ring that is arranged at switch lever end, for positioning block under positioning block and permanent magnet on the permanent magnet that permanent magnet is positioned and the demarcation strip between a pair of permanent magnet.
5. miniature electromagnetic valve according to claim 1, is characterized in that: described valve gap also comprises top board and is arranged in the valve between air flue vent in air cavity and chamber; Described air flue comprises intake duct and air outlet channel.
6. miniature electromagnetic valve according to claim 1, is characterized in that: described valve body comprises seal arrangement, top base, the magnetic conduction casing being connected with top base, be arranged at coil rack in magnetic conduction casing and electromagnetic coil, for coil rack positioning plate that coil rack is positioned, for taking up the bottom of coil rack positioning plate.
7. miniature electromagnetic valve according to claim 6, is characterized in that: described seal arrangement comprises seal ring seat board, lower seal seat board and two O-ring seals between upper seal ring seat board and lower seal seat board.
8. according to the miniature electromagnetic valve described in claim 6 or 7, it is characterized in that: described coil rack adopts the coil axis sleeve structure overhanging to two ends, to play the positioning and guiding effect to bibcock.
9. miniature electromagnetic valve according to claim 6, is characterized in that: described electromagnetic coil adopts enamel wire coil to guarantee obtaining maximum magnetic flux in the situation that the heating that works long hours is little.
10. miniature electromagnetic valve according to claim 1, is characterized in that: described permanent magnet is cylindrical or hexagon or ellipse or rectangle or square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410352236.1A CN104132177A (en) | 2014-07-23 | 2014-07-23 | Miniature solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410352236.1A CN104132177A (en) | 2014-07-23 | 2014-07-23 | Miniature solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104132177A true CN104132177A (en) | 2014-11-05 |
Family
ID=51804966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410352236.1A Pending CN104132177A (en) | 2014-07-23 | 2014-07-23 | Miniature solenoid valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN104132177A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467352A (en) * | 2014-12-12 | 2015-03-25 | 成都气海机电制造有限公司 | Linear motor |
| CN108703867A (en) * | 2018-06-11 | 2018-10-26 | 郑州大学 | A kind of movable type hand software rehabilitation training system |
| WO2020024921A1 (en) * | 2018-07-31 | 2020-02-06 | 浙江三花智能控制股份有限公司 | Electromagnetic driving device and gas proportioning valve having the same |
| WO2020024924A1 (en) * | 2018-07-31 | 2020-02-06 | 浙江三花智能控制股份有限公司 | Electromagnetic driving device and gas proportional valve having same |
| CN110805702A (en) * | 2018-08-05 | 2020-02-18 | 电子股份有限公司 | Flow control valve with vortex flow damping |
| CN111093753A (en) * | 2017-10-12 | 2020-05-01 | 费森尤斯医疗护理德国有限责任公司 | Clamp apparatus |
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| CN204114297U (en) * | 2014-07-23 | 2015-01-21 | 成都气海机电制造有限公司 | A kind of miniature electromagnetic valve |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467352A (en) * | 2014-12-12 | 2015-03-25 | 成都气海机电制造有限公司 | Linear motor |
| CN111093753A (en) * | 2017-10-12 | 2020-05-01 | 费森尤斯医疗护理德国有限责任公司 | Clamp apparatus |
| CN108703867A (en) * | 2018-06-11 | 2018-10-26 | 郑州大学 | A kind of movable type hand software rehabilitation training system |
| WO2020024921A1 (en) * | 2018-07-31 | 2020-02-06 | 浙江三花智能控制股份有限公司 | Electromagnetic driving device and gas proportioning valve having the same |
| WO2020024924A1 (en) * | 2018-07-31 | 2020-02-06 | 浙江三花智能控制股份有限公司 | Electromagnetic driving device and gas proportional valve having same |
| CN110805702A (en) * | 2018-08-05 | 2020-02-18 | 电子股份有限公司 | Flow control valve with vortex flow damping |
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Effective date of abandoning: 20180105 |