CN101893097A - Electromagnetic valve and electromagnetic valve element - Google Patents
Electromagnetic valve and electromagnetic valve element Download PDFInfo
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- CN101893097A CN101893097A CN2009101430330A CN200910143033A CN101893097A CN 101893097 A CN101893097 A CN 101893097A CN 2009101430330 A CN2009101430330 A CN 2009101430330A CN 200910143033 A CN200910143033 A CN 200910143033A CN 101893097 A CN101893097 A CN 101893097A
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- inner chamber
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- baffler
- spool
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Abstract
The invention discloses a valve element arranged in a valve cavity of an electromagnetic valve. The valve element comprises a valve element rod and a valve element head connected to the end part of the valve element rod, wherein a refrigerant channel of the valve element head is internally and sequentially provided with a first inner cavity and a second inner cavity along the flow direction of the refrigerant, and both the first inner cavity and the second inner cavity are internally provided with a muffler; the side wall of the first inner cavity is provided with a first throttling orifice communicated with the valve cavity and the first inner cavity; and the first inner cavity and the second inner cavity are communicated through a second throttling orifice. The invention also discloses an electromagnetic valve comprising the valve element. The valve element and the electromagnetic valve ensure that the refrigerant is throttled through the throttling orifices before passing through the mufflers, so that gas and liquid in the refrigerant are uniformly mixed, thereby the pressure change in the refrigerant is reduced, noise generated during the gas-liquid conversion of the refrigerant is suppressed, and the muffling effect of the electromagnetic valve is improved.
Description
Technical field
The present invention relates to the control valve field, particularly a kind of solenoid valve with noise reduction throttling function.The invention still further relates to a kind of spool that is used for solenoid valve.
Background technique
Solenoid valve with throttling, silencing function is widely used in dehumidifying in the air regulator of not lowering the temperature.For example, can be in order to connect two independently vaporizers.
When removing wet condition, the solenoid valve outage only works to connect two evaporator pipelines non-; When removing wet condition, the solenoid valve energising, the spool of solenoid valve moves the valve port sealing to valve seat under the effect of electromagnetic force, and refrigerant passes through from throttling passage, has therefore played the effect of throttling; Simultaneously, in the passage of refrigerant circulation, also be provided with silencer, so that reduce noise.
The throttling of solenoid valve and the function of noise reduction mainly are to realize by throttle orifice on the spool and the baffler that is arranged in the valve core cavity.
Please refer to Fig. 1, Fig. 2 and Fig. 3, Fig. 1 is the cross-sectional schematic of solenoid valve off-position in the prior art; Fig. 2 is the cross-sectional schematic of solenoid valve "on" position in the prior art; Fig. 3 is the cross-sectional schematic of the spool of solenoid valve in the prior art.
As Fig. 1, Fig. 2 and shown in Figure 3, solenoid valve comprises inlet tube 1 ', valve seat 2 ', spool 3 ', coil 4 ', core iron 5 ', spring 6 ', attractor 7 ' and outer pipe 9 ', inlet tube 1 ' and outer pipe 9 ' are installed on the valve seat 2 ', and communicate with the valve pocket that holds spool 3 '.When solenoid valve cut off the power supply, under the effect of spring 6 ', core iron 5 ' drove spool 3 ' and breaks away from valve port 8 ', and spool 3 ' is in not and valve port 8 ' position contacting, solenoid valve is in opening state, at this moment, refrigerant directly by valve port 8 ', flows into outer pipe 9 ' from inlet tube 1 '; When solenoid valve is switched on, coil 4 ' the charged generation electromagnetic force, core iron 5 ' is under the effect of electromagnetic force, overcome the elastic force of spring 6 ', drive spool 3 ', spool 3 ' is contacted with valve port 8 ' to attractor 7 ' motion, and be stable at the two position contacting, solenoid valve is in closed condition, this moment refrigerant flow through successively inlet tube 1 ', be opened in throttle orifice 3 ' 1 on the sidewall of spool 3 ', the valve core cavity of baffler 3 ' 2 be housed, flow into outer pipe 9 ' at last.
Refrigerant throttle orifice 3 ' the 1 back volume of flowing through expands, refrigerant enters baffler immediately, therefore gaseous coolant and liquid refrigerants can evenly mix in baffler, reduced the variation of refrigerant internal pressure, the noise that breaks and produce because of bubble when suppressing the refrigerant gas-liquid and transforming has played the effect of noise reduction.Yet in the prior art, although be provided with 3 bafflers in valve core cavity, refrigerant carries out noise reduction through 3 bafflers successively by after the throttle orifice 3 ' 1, and erasure effect is still undesirable.
Therefore, the erasure effect that how to improve solenoid valve is the present technical issues that need to address of those skilled in the art.
Summary of the invention
The purpose of this invention is to provide a kind of spool, can improve the erasure effect of solenoid valve.Another object of the present invention provides a kind of solenoid valve that comprises above-mentioned spool.
For solving the problems of the technologies described above, the invention provides a kind of spool, be arranged in the valve pocket of solenoid valve, comprise valve core rod and the valve core head that is connected in the end of valve core rod, circulating direction along refrigerant in the refrigerant passage of described valve core head is provided with first inner chamber and second inner chamber successively, and baffler all is installed among both; Have the first segment discharge orifice that is communicated with described valve pocket and described first inner chamber on the sidewall of described first inner chamber, described first inner chamber is communicated with by second throttle orifice with described second inner chamber.
Preferably, have through hole on the sidewall of described first inner chamber, so that described baffler is by described through hole described first inner chamber of packing into; The positioning element that is used to limit described baffler position is installed, described positioning element and described through hole interference fit in the described through hole.
Preferably, described positioning element has the location throttle orifice that is communicated with described valve pocket and described first inner chamber, described location throttle orifice is identical substantially with the size of described first segment discharge orifice, and described location throttle orifice and described first segment discharge orifice circumferentially evenly distributing along described first inner chamber.
Preferably, the number of described first segment discharge orifice is at least two, and described location throttle orifice and each described first segment discharge orifice circumferentially evenly distribute along described first inner chamber.
Preferably, the refrigerant outflow opening of described second inner chamber has lip part; So that described baffler is packed described second inner chamber into by described refrigerant outflow opening after, described baffler is fixed in described second inner chamber by described lip part.
Preferably, the number of described second throttle orifice is at least two, and each described second throttle orifice evenly distributes on the next door between described first inner chamber and described second inner chamber.
Preferably, the inside of described valve core head also is provided with the 3rd inner chamber, in described the 3rd inner chamber baffler is installed, and described second inner chamber is communicated with by the 3rd throttle orifice with described the 3rd inner chamber.
The present invention also provides a kind of solenoid valve, comprises above-mentioned each described spool.
Spool provided by the present invention is arranged in the valve pocket of solenoid valve, comprises valve core rod and is connected in the valve core head of the end of valve core rod.Circulating direction along refrigerant in the refrigerant passage of described valve core head is provided with first inner chamber and second inner chamber successively, baffler all is installed among both, have the first segment discharge orifice that is communicated with described valve pocket and described first inner chamber on the sidewall of described first inner chamber, described first inner chamber is communicated with by second throttle orifice with described second inner chamber; Like this, when described solenoid valve is switched on, to flow through successively described first segment discharge orifice and be installed on baffler in described first inner chamber of refrigerant, experienced once " throttling-noise reduction " process, flow through then described second throttle orifice and be installed on the sound deadening of the baffler in described second inner chamber carries out " throttling-noise reduction " process for the second time.As seen, in the refrigerant process of circulation, before the process noise reduction of baffler, the throttling action of all having passed through throttle orifice makes refrigerant pass through the process of " throttling-noise reduction-throttling-noise reduction " in the process of circulation, makes solenoid valve have better erasure effect.
Solenoid valve provided by the present invention also has above-mentioned advantage, and this paper repeats no more.
Description of drawings
Fig. 1 is the cross-sectional schematic of solenoid valve off-position in the prior art;
Fig. 2 is the cross-sectional schematic of solenoid valve "on" position in the prior art;
Fig. 3 is the cross-sectional schematic of the spool of solenoid valve in the prior art;
The cross-sectional schematic that Fig. 4 has installed the baffler state for the spool that a kind of embodiment of the present invention is provided;
The cross-sectional schematic that Fig. 5 does not install the baffler state for the spool that a kind of embodiment of the present invention is provided;
The cross-sectional schematic of the solenoid valve "on" position that Fig. 6 is provided for a kind of embodiment of the present invention;
The cross-sectional schematic of the solenoid valve off-position that Fig. 7 is provided for a kind of embodiment of the present invention.
Embodiment
Core of the present invention provides a kind of spool, can improve the erasure effect of solenoid valve.Another core of the present invention provides a kind of solenoid valve that comprises above-mentioned spool.
In order to make those skilled in the art person understand the present invention program better, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
The claimant finds, through " throttling-noise reduction " process once, even increase the number of silencing block, the erasure effect of solenoid valve is still undesirable; If but before the silencing block of at every turn flowing through, made refrigerant all at first pass through throttling, promptly through " throttling-noise reduction " process repeatedly, then could improve the erasure effect of solenoid valve significantly.
Please refer to Fig. 4 and Fig. 5, the cross-sectional schematic that Fig. 4 has installed the baffler state for the spool that a kind of embodiment of the present invention is provided; The cross-sectional schematic that Fig. 5 does not install the baffler state for the spool that a kind of embodiment of the present invention is provided.
In a kind of embodiment, spool 3 provided by the present invention comprises valve core rod and valve core head, circulating direction along refrigerant in the valve core head is provided with first inner chamber 341 and second inner chamber 342 (being shown among Fig. 5), baffler 321 (being shown among Fig. 4) is installed in first inner chamber 341, baffler 322 (being shown among Fig. 4) is installed in second inner chamber 342, have first segment discharge orifice 31 on the sidewall of first inner chamber 341, so that when solenoid valve is switched on, when refrigerant flows into described first inner chamber 341 by described first segment discharge orifice 31, refrigerant is carried out the throttling first time; Also offer second throttle orifice 35 on the next door between first inner chamber 341 and second inner chamber 342, in order to being communicated with first inner chamber 341 and second inner chamber 342, and refrigerant is carried out the throttling second time.
Please refer to Fig. 6 and Fig. 7, the cross-sectional schematic of the solenoid valve "on" position that Fig. 6 is provided for a kind of embodiment of the present invention; The cross-sectional schematic of the solenoid valve off-position that Fig. 7 is provided for a kind of embodiment of the present invention.
As shown in Figure 6 and Figure 7, when solenoid valve is switched on, coil 4 charged and generation electromagnetic forces, core iron 5 is under the effect of electromagnetic force, overcome the elastic force of spring 6, to attractor 7 motions, and drive spool 3 also moves to attractor 7, final spool 3 contacts with valve port 8 on the valve seat 2, and valve port 8 sealed, at this moment, refrigerant is in the process of circulation, flow into valve pocket from the inlet tube 1 of solenoid valve, and the first segment discharge orifice 31 of flowing through successively, first inner chamber 341, second throttle orifice 35, second inner chamber 342, finally flow out valve core head through refrigerant outflow opening (not shown), flow into outer pipe 9 at last, in this process, when refrigerant is flowed through first segment discharge orifice 31, first segment discharge orifice 31 carries out the throttling action first time to it, and then the baffler 321 that is installed in first inner chamber 341 carries out the noise reduction first time to it, finished " throttling-noise reduction " process, further, second throttle orifice 35 carries out the throttling second time to it, the baffler 322 that is installed in second inner chamber 342 carries out the noise reduction second time to it, finishes another " throttling-noise reduction " process; When solenoid valve cuts off the power supply, electromagnetic force disappears, core iron 5 is under the effect of the elastic force of spring 6, to direction motion away from attractor 7, and driving the valve port 8 that spool 3 breaks away from valve seat 2, solenoid valve is in opening state, at this moment, refrigerant flows into valve pocket from the inlet tube 1 of solenoid valve, flows into outer pipe 9 through valve port 8.
When solenoid valve is switched on, spool provided by the present invention, before the sound deadening of baffler of refrigerant process, all pass through the throttling action of throttle orifice, like this, make that further gas and the liquid in the refrigerant mixes, reduced the variation of refrigerant internal pressure, suppress the generation of noise when the refrigerant gas-liquid transforms, improved the erasure effect of solenoid valve.As seen, spool provided by the present invention makes refrigerant pass through the process of " throttling-noise reduction-throttling-noise reduction " in the process of circulation, makes solenoid valve have better erasure effect.
Particularly, as shown in Figure 5, can also offer through hole 37 on the sidewall of described first inner chamber 341, like this, described baffler 321 just can be by described through hole 37 described first inner chamber 341 of packing into easily; For preventing that described baffler 321 from deviating from described first inner chamber 341 from described through hole 37, can also be in described through hole 37 installing and locating parts 33 (being shown among Fig. 4), and described positioning element 33 and described through hole 37 interference fit.This method that baffler is installed in first inner chamber is very simple, and the interference fit by positioning element and through hole makes described baffler be arranged in described first inner chamber all the time also can to realize easily.Certainly, can realize that other methods that can meet the demands also are fine with pack into first inner chamber and its method that is installed on first inner chamber is not limited to above-mentioned method of baffler.
Further, can also on described positioning element 33, offer location throttle orifice 38 (being shown among Fig. 4), described location throttle orifice 38 is communicated with described valve pocket and described first inner chamber 341, described location throttle orifice 38 is identical substantially with the size of described first segment discharge orifice 31, and described location throttle orifice 38 and described first segment discharge orifice 31 circumferentially evenly distributing along described first inner chamber.Like this, refrigerant can flow into first inner chamber by valve pocket by described location throttle orifice and described first segment discharge orifice, first segment discharge orifice and location throttle orifice circumferentially evenly distributing along first inner chamber, can make refrigerant go into described first inner chamber from a plurality of orifice flows comparatively equably, the silencing function of described baffler is utilized fully.
Evenly avoid the stress on a certain direction to concentrate for guaranteeing that described positioning element 33 is stressed on all directions, described location throttle orifice 38 can be opened in the central position of described positioning element 33.
The number of described first segment discharge orifice 31 can be at least two, and makes described location throttle orifice 38 and each described first segment discharge orifice 31 circumferentially evenly distributing along described first inner chamber.The size of throttle orifice is more little, restriction effect can be good more, therefore, increasing of the number of first segment discharge orifice just can be on the basis of the passing ability that guarantees refrigerant, and the size of first segment discharge orifice is reduced, so just can be on the impregnable basis of the passing ability that makes refrigerant, improve the throttling action of first segment discharge orifice, guarantee the utilization ratio of described baffler better, and finally improve the silencing function of solenoid valve.
As shown in Figure 5, the refrigerant outflow opening of described second inner chamber 342 can also have lip part 36; Described lip part 36 can be fixed in described baffler 322 in described second inner chamber 342 described baffler 322 is packed described second inner chamber 342 into by described refrigerant outflow opening after, has prevented that described baffler 322 breaks away from described second inner chamber 34.Behind described second inner chamber 342 that described baffler 322 is packed into, with described lip part 36 bend to the position that radially parallels (as shown in Figure 4) of described spool 3, like this, just realized functional requirement very simply and easily.
Further, identical with described first segment discharge orifice 31, the number of described second throttle orifice 35 also can be at least two, and each described second throttle orifice 35 evenly distributes on the next door between described first inner chamber 341 and described second inner chamber 342, the throttling action of second throttle orifice is improved, and then improve the utilization ratio of baffler 322 and the silencing function of solenoid valve.
Can also the spool in above-mentioned first kind of embodiment be further improved.
In the inside of described valve core head the 3rd inner chamber is set, in described the 3rd inner chamber described baffler is installed, described second inner chamber is communicated with by the 3rd throttle orifice with described the 3rd inner chamber.Like this, increase the number of times of throttling and noise reduction, improved the silencing function of solenoid valve further.Certainly, under the situation that processing technology meets the demands, the 4th inner chamber can also be set, in addition more inner chamber, increase " throttling-noise reduction " process ground cycle-index, further improve the silencing function of solenoid valve.
Solenoid valve provided by the present invention comprises the described spool of above-mentioned each specific embodiment; Other parts can be with reference to prior art, and this paper no longer launches.
More than solenoid valve provided by the present invention and spool thereof are described in detail.Used specific case herein principle of the present invention and mode of execution are set forth, above embodiment's explanation just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (8)
1. spool, be arranged in the valve pocket of solenoid valve, comprise valve core rod and the valve core head that is connected in the end of valve core rod, it is characterized in that, circulating direction along refrigerant in the refrigerant passage of described valve core head is provided with first inner chamber and second inner chamber successively, and baffler all is installed among both; Have the first segment discharge orifice that is communicated with described valve pocket and described first inner chamber on the sidewall of described first inner chamber, described first inner chamber is communicated with by second throttle orifice with described second inner chamber.
2. spool according to claim 1 is characterized in that, has through hole on the sidewall of described first inner chamber, so that described baffler is by described through hole described first inner chamber of packing into; The positioning element that is used to limit described baffler position is installed, described positioning element and described through hole interference fit in the described through hole.
3. spool according to claim 2, it is characterized in that, described positioning element has the location throttle orifice that is communicated with described valve pocket and described first inner chamber, described location throttle orifice is identical substantially with the size of described first segment discharge orifice, and described location throttle orifice and described first segment discharge orifice circumferentially evenly distributing along described first inner chamber.
4. spool according to claim 3 is characterized in that the number of described first segment discharge orifice is at least two, and described location throttle orifice and each described first segment discharge orifice circumferentially evenly distribute along described first inner chamber.
5. spool according to claim 4 is characterized in that, the refrigerant outflow opening of described second inner chamber has lip part; So that described baffler is packed described second inner chamber into by described refrigerant outflow opening after, described baffler is fixed in described second inner chamber by described lip part.
6. according to each described spool of claim 1 to 5, it is characterized in that the number of described second throttle orifice is at least two, and each described second throttle orifice distributes evenly on the next door between described first inner chamber and described second inner chamber.
7. spool according to claim 6 is characterized in that the inside of described valve core head also is provided with the 3rd inner chamber, in described the 3rd inner chamber baffler is installed, and described second inner chamber is communicated with by the 3rd throttle orifice with described the 3rd inner chamber.
8. a solenoid valve is characterized in that, comprises as each described spool of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101430330A CN101893097A (en) | 2009-05-22 | 2009-05-22 | Electromagnetic valve and electromagnetic valve element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101430330A CN101893097A (en) | 2009-05-22 | 2009-05-22 | Electromagnetic valve and electromagnetic valve element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101893097A true CN101893097A (en) | 2010-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101430330A Pending CN101893097A (en) | 2009-05-22 | 2009-05-22 | Electromagnetic valve and electromagnetic valve element |
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| CN (1) | CN101893097A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606788A (en) * | 2011-01-20 | 2012-07-25 | 浙江三花股份有限公司 | Electromagnetic valve and mounting method thereof |
| CN102954272A (en) * | 2011-08-31 | 2013-03-06 | 浙江三花股份有限公司 | Electromagnetic valve |
| CN109469997A (en) * | 2017-09-07 | 2019-03-15 | 浙江三花智能控制股份有限公司 | Refrigeration system and its electric expansion valve |
| CN110319273A (en) * | 2019-04-15 | 2019-10-11 | 浙江朗诗德健康饮水设备股份有限公司 | A kind of adjustable noise reduction wastewater valve |
| CN110459830A (en) * | 2015-07-17 | 2019-11-15 | 浙江三花汽车零部件有限公司 | Heat-exchange device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004239358A (en) * | 2003-02-06 | 2004-08-26 | Saginomiya Seisakusho Inc | Solenoid valve and air conditioner |
| JP2005003114A (en) * | 2003-06-12 | 2005-01-06 | Fuji Koki Corp | Solenoid valve |
| JP2006097901A (en) * | 2001-10-29 | 2006-04-13 | Mitsubishi Electric Corp | Flow control valve, refrigeration air conditioner, and method of manufacturing flow control valve |
-
2009
- 2009-05-22 CN CN2009101430330A patent/CN101893097A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006097901A (en) * | 2001-10-29 | 2006-04-13 | Mitsubishi Electric Corp | Flow control valve, refrigeration air conditioner, and method of manufacturing flow control valve |
| JP2004239358A (en) * | 2003-02-06 | 2004-08-26 | Saginomiya Seisakusho Inc | Solenoid valve and air conditioner |
| JP2005003114A (en) * | 2003-06-12 | 2005-01-06 | Fuji Koki Corp | Solenoid valve |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606788A (en) * | 2011-01-20 | 2012-07-25 | 浙江三花股份有限公司 | Electromagnetic valve and mounting method thereof |
| CN102954272A (en) * | 2011-08-31 | 2013-03-06 | 浙江三花股份有限公司 | Electromagnetic valve |
| CN102954272B (en) * | 2011-08-31 | 2014-04-02 | 浙江三花股份有限公司 | Electromagnetic valve |
| CN110459830A (en) * | 2015-07-17 | 2019-11-15 | 浙江三花汽车零部件有限公司 | Heat-exchange device |
| CN109469997A (en) * | 2017-09-07 | 2019-03-15 | 浙江三花智能控制股份有限公司 | Refrigeration system and its electric expansion valve |
| CN109469997B (en) * | 2017-09-07 | 2021-10-29 | 浙江三花智能控制股份有限公司 | Refrigerating system and electronic expansion valve thereof |
| CN110319273A (en) * | 2019-04-15 | 2019-10-11 | 浙江朗诗德健康饮水设备股份有限公司 | A kind of adjustable noise reduction wastewater valve |
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Application publication date: 20101124 |