CN203215026U - Low-noise alternating-current electromagnetic valve - Google Patents
Low-noise alternating-current electromagnetic valve Download PDFInfo
- Publication number
- CN203215026U CN203215026U CN 201320202742 CN201320202742U CN203215026U CN 203215026 U CN203215026 U CN 203215026U CN 201320202742 CN201320202742 CN 201320202742 CN 201320202742 U CN201320202742 U CN 201320202742U CN 203215026 U CN203215026 U CN 203215026U
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- Prior art keywords
- electromagnetic valve
- armature
- magnetic conduction
- coil
- current electromagnetic
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229920001971 elastomer Polymers 0.000 claims abstract description 17
- 229910052742 iron Inorganic materials 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 210000004907 gland Anatomy 0.000 claims description 17
- 239000000806 elastomer Substances 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 230000005389 magnetism Effects 0.000 abstract description 9
- 239000012528 membrane Substances 0.000 abstract 3
- 238000007789 sealing Methods 0.000 abstract 2
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model belongs to electromagnetic valves, and particularly relates to a low-noise alternating-current electromagnetic valve which comprises a valve body, a movable bracket, a rubber membrane, a magnetism guide core, an armature, a sealing sleeve, a coil and a lower iron plate, wherein a piece of upper yoke iron is used for fixing the coil and mounted on the valve body; the movable bracket is sleeved with the rubber membrane, the periphery of the rubber membrane and the sealing sleeve are connected to form an inner cavity, and the armature is located in the inner cavity; and a rubber cap which can block a center hole of the movable bracket is fixed at one end of the armature, and a spring is mounted at the other end of the armature and has certain precompression force. The low-noise alternating-current electromagnetic valve is characterized in that a bridge rectifier is packaged in the coil and performs full-wave rectification conversion on externally input alternating current. According to the low-noise alternating-current electromagnetic valve, the bridge rectifier is added in the coil of the electromagnetic valve for internally converting a power supply, so that the problem of noises of the alternating-current electromagnetic valve is thoroughly solved, the external interface mode and the specification of the electromagnetic valve remain unchanged, a device using the electromagnetic valve doesn't need to be changed and then can be used, the change of power input of the device using the alternating-current electromagnetic valve is avoided, and market competition of a product is facilitated.
Description
Technical field
The utility model belongs to the solenoid valve class, and what be specifically related to is a kind of low noise alternating current electromagnetic valve, relates in particular to for watering equipments such as washing machine, water purifier, dishwashers.
Background technique
Watering equipments such as existing washing machine, water purifier are used for the entering water electromagnetic valve of control current break-make, when its working power adopts ac power supply, produce alternating flux in the electromagnetic valve coil, and square being directly proportional of the suffered electromagnetic attraction of armature size and magnetic flux in the solenoid valve, when the covert mistake of Ac zero line, magnetic flux is zero, suction also is zero, this moment, armature was drawn back under the effect of spring force, suction increases again gradually after the magnetic flux zero passage, and armature is attracted again, so repeatedly circulation, cause that armature produces shake in solenoid valve, this is the main source of solenoid valve noise.Along with market is more and more higher to the requirement of magnetic valve performance, original electromagnetic valve structure is difficult to satisfy the noise requirement.For this reason, the patent No. is 201220419302.9 and is called " a kind of low noise does not have pressure electromagnetic valve ", by the fixing magnetic conduction core at the stuffing box gland top, energising back (full wave rectifier) coil produces magnetic field, impel the magnetization of iron core and magnetic conduction core and adhesive mutually, thereby reduce noise, but it is only applicable to DC electrical source or the power supply after full wave rectifier, can not directly be used in ac power supply, limit its using scope; It is spacing fixing that this patent magnetic conduction core relies on the boss on the stuffing box gland in addition, easily causes the displacement of magnetic conduction core after the long-time keying and influence performance.
Summary of the invention
The purpose of this utility model is at the deficiencies in the prior art, a kind of more reasonable structure, more reliable performance is provided, can thoroughly solves the low noise alternating current electromagnetic valve of the noise problem of solenoid valve.
Technical solution adopted in the utility model is:
A kind of low noise alternating current electromagnetic valve of the utility model, mainly comprise valve body, travel(l)ing rest, elastomer diaphragm, the magnetic conduction core, armature, stuffing box gland, coil, following iron plate, last yoke is used for fixed coil, and be contained on the valve body, suit one elastomer diaphragm on the travel(l)ing rest, the outer periphery of elastomer diaphragm and the stuffing box gland formation inner chamber that joins, armature is positioned at inner chamber, armature one end fixedly has the rubber cap that can block the travel(l)ing rest center hole, the other end is equipped with spring, spring has certain precompression, it is characterized in that: be packaged with the rectifier bridge heap in the coil, the Ac that the outside is imported carries out the full wave rectifier conversion.
The utility model magnetic conduction core is provided with groove, is positioned at the stuffing box gland top, with the stuffing box gland molding and forming be one, energising back coil produces magnetic field, impels the magnetization of armature and magnetic conduction core and mutual adhesive.
During the utility model energising work, not exclusively stick together after magnetic conduction core and the armature adhesive, guarantee to have between magnetic conduction core and the armature a very thin non-magnetic conduction separation layer (general 0.1-0.3mm), non-magnetic conduction separation layer can adopt in spring end increase cage ring and make formation air air gap layer between magnetic conduction core and the armature.
During the utility model low noise alternating current electromagnetic valve energising work, the Ac of outside input is at first by the heap of the rectifier bridge in the electromagnetic valve coil, go into coil through full wave rectifier is laggard, coil produces magnetic field versus and produces magnetic force in the armature of inner chamber, the elastic force that impels armature to overcome spring moves to the solenoid middle part, and solenoid valve is opened.At this moment, be fixed on the magnetic conduction core at stuffing box gland top, also magnetized by electromagnetic coil simultaneously, thereby generation is to the magnetic attraction of armature.At first, the magnetic conduction core is far away apart from armature, and this magnetic attraction is very little, and along with the motion of armature, stick together (middle across non-magnetic conduction separation layer) closed in final armature and magnetic conduction wicking.When voltage reduces to zero in a flash, the magnetic conduction core has certain remanent magnetism, because distance is enough near between magnetic conduction core and the armature, the suction that magnetic conduction core remanent magnetism produces armature still is enough to overcome the elastic force of spring, attracting state is kept, and in the cycle of whole voltage change, armature and magnetic conduction core are pulled together all the time, eliminated the noise that the vibration because of armature produces, thus the noise when greatly reducing whole solenoid valve work.In the real work of guide electromagnetic valve, because the elasticity rate of spring is less, when needs are closed solenoid valve and are cut off the power supply, the remanent magnetism of magnetic conduction core is excessive, can hinder resetting of armature, thereby influence the reliability of closed electromagnetic valve, therefore between magnetic conduction core and armature, increase by a non-magnetic conduction separation layer, suitably reduce the influence of remanent magnetism, improve the stability of solenoid valve work.
The utility model installs the rectifier bridge heap additional in electromagnetic valve coil, the internal conversion power supply, thoroughly solve the noise problem of alternating current electromagnetic valve, external interface mode and the specification of solenoid valve all remain unchanged, the equipment of use alternating current electromagnetic valve need not to do any change and can use, avoid the power supply input change on the alternating current electromagnetic valve use equipment, be conducive to the market competition of product.
Description of drawings
Fig. 1 is for being the utility model structural representation.
Embodiment
Below in conjunction with accompanying drawing concrete enforcement of the present utility model is further described:
As shown in Figure 1, the utility model mainly comprises valve body 1, travel(l)ing rest 2, elastomer diaphragm 3, stuffing box gland 4, coil 5, rectifier bridge heap 6, following iron plate 7, last yoke 8, rubber cap 9, armature 10, spring 11, magnetic conduction core 12, following iron plate 7 and last yoke 8 are used for fixed coil 5, are installed on the valve body 1 by screw; Suit one elastomer diaphragm 3 on the travel(l)ing rest 2, the outer periphery of elastomer diaphragm 3 and the stuffing box gland 4 formation inner chamber that joins, armature 10 is positioned at inner chamber, armature 10 1 ends fixedly have the rubber cap 9 that can block travel(l)ing rest 2 center holes, the other end is equipped with spring 11, spring 11 has certain precompression, it is characterized in that: rectifier bridge heap 6 is encapsulated in coil 5 inside, and the Ac that the outside is imported carries out the full wave rectifier conversion; Magnetic conduction core 12 is provided with groove, is positioned at the top of stuffing box gland 4, with stuffing box gland 4 molding and forming be one, after coil 5 energising, be magnetized, armature 10 is produced magnetic attractions.
The utility model valve body 1 is by the engineering plastics molding and forming, and entery and delivery port links to each other with medium pipeline, and its Connecting format can be screw thread or other form.The soft magnetic material of magnetic conduction core 12 usefulness high permeabilities is made, and is fixed in the top of stuffing box gland 4; Following iron plate 8 and last yoke 9 are used for fixed coil 5, and iron plate 8 and last yoke 9 carry out punch riveting under the assembling back, form an integral body with coil 5, and are assemblied on the valve body 1 by screw; Coil 5 is made of skeleton, tenminal block, coiling and the outer insulation package that covers, and rectifier bridge heap 6 is insulated package and wraps up, and input, the output pin of rectifier bridge heap 6 are connected with coiling with tenminal block respectively.
When the utility model solenoid valve is connected Ac work, after rectifier bridge is piled 6 full wave rectifiers, coil 5 produces the constant magnetic field of direction the magnetic conduction core 12 that is fixed in stuffing box gland 4 tops is magnetized, and the armature 10 generation magnetic force to being positioned at inner chamber, impel pre-elastic force that armature 10 overcomes spring 11 to the motion of solenoid middle part, final stick together with 12 adhesives of magnetic conduction core (centre is across non-magnetic conduction separation layer).This moment, solenoid valve was opened.When voltage when its wave period reduces to zero in a flash, magnetic conduction core 12 has certain remanent magnetism, because distance is enough near between magnetic conduction core 12 and the armature 10, under the higher voltage change frequency (civil power is 100Hz after full wave rectifier), the magnetic attraction that remanent magnetism produces is enough kept attracting state, and therefore in the cycle of whole voltage change, armature 10 is pulled together all the time with magnetic conduction core 12, eliminated the vibrating noise of armature 10, thus the noise when greatly reducing the work of whole solenoid valve.When deenergization, armature 10 resets under the effect of spring 11, closed electromagnetic valve.The solenoid valve of leading type structure, the elasticity rate of spring 11 is less, and the suction that the remanent magnetism of magnetic conduction core 12 produces can influence resetting of armature 10, and non-magnetic conduction separation layer need be set between magnetic conduction core 12 and armature 10, suitably reduce the influence of remanent magnetism, improve the stability of solenoid valve work.
Claims (4)
1. low noise alternating current electromagnetic valve, comprise valve body, travel(l)ing rest, elastomer diaphragm, the magnetic conduction core, armature, stuffing box gland, coil, following iron plate, last yoke is used for fixed coil, and be contained on the valve body, suit one elastomer diaphragm on the travel(l)ing rest, the outer periphery of elastomer diaphragm and the stuffing box gland formation inner chamber that joins, armature is positioned at inner chamber, armature one end fixedly has the rubber cap that can block the travel(l)ing rest center hole, the other end is equipped with spring, spring has certain precompression, it is characterized in that: be packaged with the rectifier bridge heap in the coil, the Ac that the outside is imported carries out the full wave rectifier conversion.
2. low noise alternating current electromagnetic valve according to claim 1, it is characterized in that: the magnetic conduction core is provided with groove, is positioned at the stuffing box gland top, with the stuffing box gland molding and forming be one.
3. low noise alternating current electromagnetic valve according to claim 1 and 2, it is characterized in that: it is the non-magnetic conduction separation layer of 0.1-0.3mm that a thickness is arranged between magnetic conduction core and the armature.
4. low noise alternating current electromagnetic valve according to claim 3 is characterized in that: described non-magnetic conduction separation layer makes and forms the air air gap layer between magnetic conduction core and the armature for increase cage ring at spring end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320202742 CN203215026U (en) | 2013-04-19 | 2013-04-19 | Low-noise alternating-current electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320202742 CN203215026U (en) | 2013-04-19 | 2013-04-19 | Low-noise alternating-current electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203215026U true CN203215026U (en) | 2013-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320202742 Expired - Fee Related CN203215026U (en) | 2013-04-19 | 2013-04-19 | Low-noise alternating-current electromagnetic valve |
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|---|---|
| CN (1) | CN203215026U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972244A (en) * | 2016-05-27 | 2016-09-28 | 武汉创力电磁阀有限公司 | Plastic diaphragm electromagnetic valve |
| CN109990130A (en) * | 2019-04-01 | 2019-07-09 | 浙江朗诗德健康饮水设备股份有限公司 | A kind of nothing presses water solenoid valve |
| CN112539292A (en) * | 2019-09-23 | 2021-03-23 | 江门市甜的电器有限公司 | Water inlet electromagnetic valve capable of improving electromagnetic suction force and implementation method |
-
2013
- 2013-04-19 CN CN 201320202742 patent/CN203215026U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972244A (en) * | 2016-05-27 | 2016-09-28 | 武汉创力电磁阀有限公司 | Plastic diaphragm electromagnetic valve |
| CN109990130A (en) * | 2019-04-01 | 2019-07-09 | 浙江朗诗德健康饮水设备股份有限公司 | A kind of nothing presses water solenoid valve |
| CN112539292A (en) * | 2019-09-23 | 2021-03-23 | 江门市甜的电器有限公司 | Water inlet electromagnetic valve capable of improving electromagnetic suction force and implementation method |
| CN112539292B (en) * | 2019-09-23 | 2022-02-11 | 江门市甜的电器有限公司 | Water inlet electromagnetic valve capable of improving electromagnetic suction force and implementation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Low-noise alternating-current electromagnetic valve Effective date of registration: 20140925 Granted publication date: 20130925 Pledgee: Agricultural Bank of China Limited by Share Ltd. Jinhua Economic Development Zone Branch Pledgor: JINHUA HONGCHANG ELECTRICAL EQUIPMENT Co.,Ltd. Registration number: 2014990000810 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20161206 Granted publication date: 20130925 Pledgee: Agricultural Bank of China Limited by Share Ltd. Jinhua Economic Development Zone Branch Pledgor: JINHUA HONGCHANG ELECTRICAL EQUIPMENT Co.,Ltd. Registration number: 2014990000810 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Low-noise alternating-current electromagnetic valve Effective date of registration: 20170608 Granted publication date: 20130925 Pledgee: Agricultural Bank of China Limited by Share Ltd. Jinhua Economic Development Zone Branch Pledgor: JINHUA HONGCHANG ELECTRICAL EQUIPMENT Co.,Ltd. Registration number: 2017990000422 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180308 Granted publication date: 20130925 Pledgee: Agricultural Bank of China Limited by Share Ltd. Jinhua Economic Development Zone Branch Pledgor: JINHUA HONGCHANG ELECTRICAL EQUIPMENT Co.,Ltd. Registration number: 2017990000422 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 321000 No. 788 Xinhong Road, Qiubin Street, Wucheng District, Jinhua City, Zhejiang Province Patentee after: JINHUA HONGCHANG ELECTRLCAL EQUIPMENT Co.,Ltd. Address before: 321000 No. 161 Binhong West Road, Jinhua City, Zhejiang Province Patentee before: JINHUA HONGCHANG ELECTRICAL EQUIPMENT Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Low-noise alternating-current electromagnetic valve Effective date of registration: 20191220 Granted publication date: 20130925 Pledgee: Agricultural Bank of China Limited by Share Ltd. Jinhua Economic Development Zone Branch Pledgor: JINHUA HONGCHANG ELECTRLCAL EQUIPMENT Co.,Ltd. Registration number: Y2019330000354 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201217 Granted publication date: 20130925 Pledgee: Agricultural Bank of China Limited by Share Ltd. Jinhua Economic Development Zone Branch Pledgor: JINHUA HONGCHANG ELECTRLCAL EQUIPMENT Co.,Ltd. Registration number: Y2019330000354 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 |