CN104728509B - Solenoid valve and refrigeration system with same - Google Patents
Solenoid valve and refrigeration system with same Download PDFInfo
- Publication number
- CN104728509B CN104728509B CN201310700253.5A CN201310700253A CN104728509B CN 104728509 B CN104728509 B CN 104728509B CN 201310700253 A CN201310700253 A CN 201310700253A CN 104728509 B CN104728509 B CN 104728509B
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- Prior art keywords
- valve
- chamber
- end cap
- piston
- body rear
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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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- 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
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
Abstract
The invention discloses a solenoid valve. The solenoid valve comprises a valve seat as well as a piston and an end cap which are arranged in the valve seat. The piston comprises a piston block and an annular portion at the rear end of the piston block. A valve rear chamber is formed among the annular portion, the end cap and the valve seat and communicated with a main valve chamber and a valve guide chamber of the solenoid valve. A base is arranged in a cavity formed in the annular portion. The end cap is provided with a groove. The base and the groove are in sliding fit and form an end cap valve chamber in communication with the valve rear chamber through a base gap between the base and the groove. A check valve is arranged between the end cap valve chamber and the valve rear chamber and used for guiding the fluid from the valve rear chamber to the end cap valve chamber. By means of the structure, the check valve can close a channel between the end cap valve chamber and the valve rear chamber when a solenoid is energized, so that a refrigerant only flows from a gap between the end cap valve chamber and the valve rear chamber, the pressure in the end cap valve chamber is gradually reduced, the hydraulic shock caused by the sudden opening of the piston is relieved to avoid the noise caused by the sudden hydraulic fluctuation, and accordingly the working stability of the solenoid valve is ensured. The invention also discloses a refrigeration system with the solenoid valve.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, more particularly to a kind of electromagnetic valve and the refrigeration system using the electromagnetic valve
System.
Background technology
Fig. 1 is refer to, Fig. 1 is the structural representation of electromagnetic valve in prior art；The work of the electromagnetic valve is briefly described below
Make the defect of process and its presence.
The electromagnetic valve includes main valve 1 ' and 2 ' two parts of pilot valve, and main valve 1 ' includes that valve seat 11 ', the first adapter 14 ', second connect
Pipe 15 ', piston 12 ' and end cap 13 ' etc., pilot valve 2 ' include valve pocket 21 ', pilot valve valve element 22 ', end socket 23 ' and solenoid 24 '
Deng.
Introduce the course of work of the electromagnetic valve below so that coolant is from the inflow of the first adapter 14 ' as an example：
During 24 ' no power of solenoid, coolant is flowed into successively：Main valve chamber 1a ' → balance pipe 1b '+piston clearance 1c ' → valve
Body rear chamber 1d ' → opening 1f ' → pilot valve chamber 2a ' → end socket chamber 2b ', makes main valve chamber 1a ', valve body rear chamber 1d ', pilot valve
Chamber 2a ', end socket chamber 2b ' pressure balances.Due to the valve body rear chamber 1d ' lifting surface areas of piston 12 ' it is larger, therefore piston 12 '
The pressure to the right that the valve body rear chamber 1d ' being subject to applies is larger, moves right so that piston in this pressure effect lower piston 12 '
Sealing gasket 121 ' and primary valve 1g ' sealings on 12 '；Pilot valve valve element 22 ' is closed under the active force of pilot valve spring, and valve is in cut out
State.
When solenoid 24 ' is powered, 24 ' interior generation magnetic field of solenoid makes end socket 23 ' pull pilot valve valve element 22 ' upwards
Motion, steel ball depart from pilot valve mouth 2c ', and the coolant of pilot valve chamber 2a ' flows to the second adapter 15 ' by pilot valve mouth 2c '；Due to balance pipe
Sectional area of the sectional area sum of 1b ' and piston clearance 1c ' less than pilot valve mouth 2c ', the coolant volume that valve body rear chamber 1d ' is flowed into
Less than the coolant volume for flowing out, reduce the refrigerant pressure in 12 ' left side of piston.Piston 12 ' is made in the pressure differential that left and right side is formed
With under, rapidly to left movement, primary valve 1g ' unlatchings, electromagnetic valve are opened.
As can be seen here, when opening moment, the action of piston 12 ' is the process of pressure jump to the electromagnetic valve, so existing
Hydraulic shock it is larger, cause electromagnetic valve be powered when send obviously noise.
In view of this, it would be highly desirable to for above-mentioned technical problem, the electromagnetic valve of further optimization design prior art, to reduce which
Hydraulic shock during unlatching, and then noise during reduction solenoid valves, improve the job stability of electromagnetic valve.
The content of the invention
The purpose of the present invention to provide a kind of electromagnetic valve, the hydraulic shock that piston movement causes when its solenoid obtains electric compared with
Little, i.e., noise when solenoid is powered is less, and job stability is higher.On this basis, another object of the present invention is providing
A kind of refrigeration system including above-mentioned electromagnetic valve.
To solve above-mentioned technical problem, the present invention provides a kind of electromagnetic valve, including piston, the end cap of valve seat and its inside,
The piston includes the ring part of piston block and its rear end, forms valve body between the ring part and the end cap, the valve seat
Rear chamber, the main valve chamber of the valve body rear chamber and electromagnetic valve, pilot valve chamber connect；It is provided with the cavity formed by the ring part
Base, the end cap are provided with groove, and the base is slidably matched with the groove and forms end cap valve pocket, and the end cap valve pocket leads to
The base gap crossed between the base and the groove is connected with the valve body rear chamber, the end cap valve pocket and the valve body
Check valve is additionally provided between rear chamber, the check valve is unidirectional towards the end cap valve pocket from the valve body rear chamber by fluid
It is logical.
Using this structure, it is logical with valve body rear chamber that check valve can close end cap valve pocket when solenoid obtains electric
Road, so that coolant is only flowed out from the gap of the two, the pressure in such end cap valve pocket is gradually reduced, is beaten so as to alleviate piston suddenly
The hydraulic shock for causing is opened, and then avoids hydraulic pressure from being mutated the noise for causing, it is ensured that the job stability of electromagnetic valve.
Preferably, the end cap includes lid, and lobe is provided with the middle part of the lid, and the groove is located at the lobe
On, the lobe is provided with installation chamber, the two ends of the installation chamber respectively with the valve body rear chamber, the end cap valve pocket
Connection, the check valve is in the installation chamber.
Preferably, the check valve includes one-way valve seat and inner elements of check valve, and the one-way valve seat is fixed on installation
In chamber, and one end forms check valve valve port, and the inner elements of check valve reciprocable is connected in the one-way valve seat.
Preferably, the valve seat include outer wall, parallel to the parallel walls of the outer pars intramuralis, the side of the parallel walls with
The through flow hole in the outer wall formation connection valve body rear chamber and the pilot valve chamber, opposite side are slided with the ring part outer wall
It is connected, gap between the ring part and the parallel walls forms and connects the valve body rear chamber and the main valve chamber
Ring part gap；The ring part periphery is provided with cannelure, is provided with piston ring in the cannelure.
Preferably, the number of the piston ring is at least two, and piston ring described at least two is parallel located at the annular
The periphery in portion.
Preferably, the pilot valve of electromagnetic valve includes pilot valve valve element, the end socket of valve pocket and its inside, the pilot valve valve element with it is described
End socket chamber is provided between end socket, the pilot valve chamber is by the gap between the valve pocket and the pilot valve valve element and the end socket
Chamber.
The present invention also provides the refrigeration system for including above-mentioned electromagnetic valve.
As above-mentioned electromagnetic valve has as above technique effect, therefore, should also be as having including the refrigeration system of the electromagnetic valve
Identical technique effect.
Description of the drawings
Fig. 1 is the structural representation of electromagnetic valve in prior art；
Fig. 2 is a kind of structural representation of specific embodiment of electromagnetic valve provided by the present invention；
Fig. 3 is the partial enlarged drawing of end cap and piston junction in Fig. 2.
In Fig. 1：
Main valve 1 '；Valve seat 11 '；Piston 12 '；Sealing gasket 121 '；End cap 13 '；First adapter 14 '；Second adapter 15 '；It is main
Valve chamber 1a '；Balance pipe 1b '；Piston clearance 1c '；Valve body rear chamber 1d '；Opening 1f '；Primary valve 1g '；
Pilot valve 2 '；Valve pocket 21 '；Pilot valve valve element 22 '；End socket 23 '；Solenoid 24 '；Pilot valve chamber 2a '；End socket chamber 2b '；
Pilot valve mouth 2c '；
In Fig. 2：
Main valve 1；Valve seat 11；Parallel walls 111；Piston 12；Piston block 121；Ring part 122；Base 123；Cannelure 124；
Piston ring 125；End cap 13；Lid 131；Lobe 132；Check valve 14；One-way valve seat 141；Inner elements of check valve 142；First
Adapter 15；Second adapter 16；
Main valve chamber 1a；Balance pipe 1b；Ring part gap 1c；Valve body rear chamber 1d；End cap valve pocket 1e；Opening 1f；Main valve
Mouth 1g；Base gap 1h；
Pilot valve 2；Valve pocket 21；Pilot valve valve element 22；End socket 23；Solenoid 24；Pilot valve chamber 2a；End socket chamber 2b；Pilot valve mouth
2c。
Specific embodiment
To provide a kind of electromagnetic valve, the electromagnetic valve can reduce piston movement to the core of the present invention when solenoid obtains electric
Hydraulic shock, and then reduce electromagnetic valve noise, improve refrigeration system job stability.Another core of the present invention is to carry
For a kind of refrigeration system including above-mentioned electromagnetic valve.
In order that those skilled in the art more fully understands technical scheme, it is below in conjunction with the accompanying drawings and concrete real
The present invention is described in further detail to apply example.It should be noted that the noun of locality " inside and outside " for occurring herein is referred respectively to
On end cap radial direction, the direction of periphery is pointed to by the direction in the periphery sensing center of circle, by the center of circle, and the noun of locality " forward and backward " refers to Fig. 2
In right side, left side；It should be appreciated that setting up on the basis of these noun of locality Figure of description, their appearance should not shadow
Ring protection scope of the present invention.
Fig. 2 is refer to, Fig. 2 is a kind of structural representation of specific embodiment of electromagnetic valve provided by the present invention.
In a kind of specific embodiment, as shown in Fig. 2 the present invention provides a kind of electromagnetic valve for refrigeration system, should
Electromagnetic valve includes 2 two large divisions of main valve 1 and pilot valve.
Pilot valve 2 includes solenoid 24 outside valve pocket 21, valve pocket 21, forms leading of being slidably matched inside valve pocket 21 therewith
Valve core 22, located at the end socket 23 of 22 one end of pilot valve valve element, pilot valve valve element 22 forms pilot valve chamber 2a, pilot valve valve element 22 with valve seat 11
End socket chamber 2b is formed between end socket 23.
Main valve 1 includes the parts such as piston 12, end cap 13, the first adapter 15 and second adapter 16 of valve seat 11 and its inside.
First adapter 15, piston 12 and valve seat 11 form main valve chamber 1a, and valve seat 11 and 16 junction of the second adapter are provided with primary valve 1g, living
The control to primary valve 1g apertures is realized in reciprocating motion of the plug 12 by which in valve seat 11.
The piston 12 includes the ring part 122 of piston block 121 and its rear end, between ring part 122 and end cap 13, valve seat 11
Valve body rear chamber 1d is formed, valve body rear chamber 1d passes through balance pipe 1b, ring part gap 1c（Between ring part 122 and valve seat 11
Gap）Connect with the main valve chamber 1a of electromagnetic valve, connected with the pilot valve chamber 2a of electromagnetic valve by opening 1f.Ring part 122 is formed
Cavity in be provided with base 123, end cap 13 is provided with groove, and base 123 is slidably matched and forms end cap valve pocket 1e, end cap with groove
Valve pocket 1e passes through base gap 1h（The gap of base 123 and groove）Connect with valve body rear chamber 1d, end cap valve pocket 1e and valve body
Check valve 14 is additionally provided between rear chamber 1d, check valve 14 is unidirectional towards end cap valve pocket 1e from valve body rear chamber 1d by fluid
It is logical.
Introduce the course of work of the electromagnetic valve below so that coolant is from the inflow of the first adapter 15 as an example：
Coolant is flowed into successively：Main valve chamber 1a → balance pipe 1b+ ring parts gap 1c → valve body rear chamber 1d → opening 1f
→ pilot valve chamber 2a, makes main valve chamber 1a, valve body rear chamber 1d and the 2a pressure balances of pilot valve chamber.Due to the valve body rear chamber 1d of piston 12
Lifting surface area it is larger, therefore the pressure to the right that the valve body rear chamber 1d that is subject to of piston 12 applies is larger, acts in this pressure
Lower piston 12 is moved right, so that the sealing gasket on piston 12 is sealed with primary valve 1g.Pilot valve valve element 22 is under spring force
Close, while coolant flows to end cap valve pocket 1e by check valve 14 at valve body rear chamber 1d, base 123 is in pressure balance, electricity
Magnet valve is in closed mode.
When solenoid 24 is powered, its internal generation magnetic field makes end socket 23 pull pilot valve valve element 22 to move upwards, makes steel
Ball departs from pilot valve mouth 2c, and the coolant of pilot valve chamber 2a flows to the second adapter 16 by pilot valve mouth 2c；Due to balance pipe 1b section with
Section of the section sum of ring part gap 1c less than pilot valve mouth 2c, the coolant volume that valve body rear chamber 1d is flowed into is less than outflow
Coolant volume, reduces the refrigerant pressure on the left of piston 12, the increase of the refrigerant pressure on right side.Piston 12 is formed in left and right side
Under pressure differential effect, piston 12 starts to left movement.Due to the presence of base 123, piston 12 simultaneously, compresses end cap to left movement
Valve pocket 1e, the pressure of end cap valve pocket 1e gradually increase so that 14 valve port of check valve is closed, cold in compressed end cap valve pocket 1e
Matchmaker slowly can only be flowed out outward by base gap 1h so that piston 12 slows down to the speed of left movement, until end cap valve pocket 1e
It is drained, the movement of piston 12 is completed, and primary valve 1g is opened.
When coil power-off again, pilot valve valve element 22 is closed under spring force, and valve body rear chamber 1d keeps high pressure, main
Valve port 1g pressure is reduced rapidly, and 12 or so pressure at two ends of piston difference is formed, the lateral movement to the right of piston 12；Meanwhile, valve body rear chamber
The coolant of 1d flows to end cap valve pocket 1e again by primary valve 1g, check valve 14, and base 123 is moved right, and primary valve 1g is closed.
As can be seen here, using this structure, check valve 14 can solenoid 24 it is electric when close end cap valve pocket 1e with
The passage of valve body rear chamber 1d, so that coolant is only flowed out from the base gap 1h of the two, compared with prior art, end cap valve pocket 1e
Interior pressure is gradually reduced, and throws open the hydraulic shock for causing so as to alleviate piston 12, and then avoids what hydraulic pressure mutation caused
Noise, it is ensured that the job stability of electromagnetic valve.
The concrete set-up mode of above-mentioned check valve 14 further can also be set.
In another kind of specific embodiment, as shown in figure 3, the figure is the office of end cap 13 and 12 junction of piston in Fig. 2
Portion's enlarged drawing；Above-mentioned end cap 13 includes lid 131, and lobe 132 is provided with the middle part of lid 131, and groove is located in lobe 132,
Lobe 132 is provided with installation chamber, and the two ends for installing chamber are connected with valve body rear chamber 1d, end cap valve pocket 1e respectively, check valve
14 in installation chamber.
Using this check valve 14 and 13 integral structure of end cap, it is easy to the fixation and installation of check valve 14 so that electromagnetism
The characteristics of valve has compact conformation.Certainly, check valve 14 and not only limit inside the end cap 13, can also check valve 14 it is independent
Arrange outside end cap 13.
More specifically in scheme, as shown in figure 3, above-mentioned check valve 14 can include one-way valve seat 141, inner elements of check valve
142, one-way valve seat 141 is fixed in installation chamber, and one end forms check valve valve port, and inner elements of check valve 142 reciprocally transports
It is dynamic to be connected in one-way valve seat 141, to open or close check valve valve port.
This check valve 14 have simple structure, be easily installed and dismantle, and production cost it is relatively low the characteristics of.Certainly, on
State check valve 14 and be not limited in the structure, for example, the way valve passageway that chamber can be regular shape is installed, check valve 14 can
With the elastomeric element connected including catch and catch, elastomeric element in the raw when, catch closure way valve passageway, when
When the pressure of valve body rear chamber 1d is larger, elastomeric element is promoted to make its compression, open way valve passageway, the coolant of end cap valve pocket 1e
Flow in valve body rear chamber 1d.The elastomeric element can be specially various parts such as spring, rubber or torsion spring.This check valve
Structure it is simpler, but but control accuracy is slightly poor.
In another kind of specific embodiment, above-mentioned valve seat 11 includes outer wall, parallel to the parallel walls 111 of outer pars intramuralis,
The side of parallel walls 111 forms the aforementioned through flow hole for connecting valve body rear chamber 1d and pilot valve chamber 2a, opposite side with annular with outer wall
122 outer wall sliding connection of portion, the gap between ring part 122 and parallel walls 111 become aforementioned and connect main valve chamber 1a and valve
The ring part gap 1c of body rear chamber 1d；122 periphery of ring part is provided with cannelure 124, is provided with piston ring 125 in cannelure 124.
Using this structure, when solenoid 24 obtains electric, as the pressure of valve body rear chamber 1d reduces, therefore in piston ring
125 periphery forms back pressure, and piston ring 125 is outwards propped up under the back pressure effect, increases frictional force when piston 12 is moved,
Further slow down the movement velocity of piston 12, reduce hydraulic shock, reduce noise.
The frictional force size for increasing as needed, the number of above-mentioned piston ring 125 can be one, or two with
On, at least two piston rings, the 125 parallel periphery located at ring part 122.
In further scheme, the pilot valve chamber 2a of the pilot valve 2 of above-mentioned electromagnetic valve passes through between valve pocket 21 and pilot valve valve element 22
Gap connect with end socket chamber 2b.
Using this structure, when 24 dead electricity of solenoid, pilot valve chamber 2a is connected with end socket chamber 2b, when solenoid 24
It is electric, attract pilot valve valve element 22 to end socket 23 move when, the end socket chamber 2b connected with pilot valve chamber 2a can be discharged in which in time
The coolant or air in portion, it is to avoid end socket chamber 2b produces additonal pressure, so as to cause pilot valve valve element 22, retard motion shows upwards
As further improving the job stability of electromagnetic valve.
Additionally, the present invention also provides a kind of refrigeration system including above-mentioned electromagnetic valve.As above-mentioned electromagnetic valve has such as
Upper technique effect, therefore, should also be as, with identical technique effect, will not be described here including the refrigeration system of the electromagnetic valve.
It is described in detail to a kind of electromagnetic valve provided by the present invention and using the refrigeration system of the electromagnetic valve above.
Specific case used herein is set forth to the principle and embodiment of the present invention, and the explanation of above example is simply used
The method of the present invention and its core concept are understood in help.It should be pointed out that for those skilled in the art,
Under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these improve and modify
Fall in the protection domain of the claims in the present invention.
Claims (7)
1. the piston (12) of a kind of electromagnetic valve, including valve seat (11) and its inside, end cap (13), the piston (12) is including piston
The ring part (122) of block (121) and its rear end, the ring part (122) and shape between the end cap (13), the valve seat (11)
Into valve body rear chamber (1d), the main valve chamber (1a) of the valve body rear chamber (1d) and electromagnetic valve, pilot valve chamber (2a) are connected, the end
Lid (13) is provided with groove；Characterized in that,
Base (123) is provided with the cavity formed by the ring part (122), the base (123) is slided with the groove and matched somebody with somebody
Merging forms end cap valve pocket (1e), and the end cap valve pocket (1e) is by between the base between the base (123) and the groove
Gap (1h) is connected with the valve body rear chamber (1d), is additionally provided between the end cap valve pocket (1e) and the valve body rear chamber (1d)
Check valve (14), the check valve (14) are unidirectional towards the end cap valve pocket (1e) from the valve body rear chamber (1d) by fluid
It is logical.
2. electromagnetic valve according to claim 1, it is characterised in that the end cap (13) is including lid (131), the lid
(131) lobe (132) is provided with the middle part of, in the lobe (132), the lobe (132) is provided with peace to the groove
It behave affectedly room, the two ends of the installation chamber are connected with the valve body rear chamber (1d), the end cap valve pocket (1e) respectively, the list
To valve (14) in the installation chamber.
3. electromagnetic valve according to claim 2, it is characterised in that the check valve (14) is including one-way valve seat (141)
With inner elements of check valve (142), the one-way valve seat (141) be fixed on installation chamber in, and one end formed check valve valve port, institute
State inner elements of check valve (142) reciprocable to be connected in the one-way valve seat (141).
4. the electromagnetic valve according to any one of claim 1-3, it is characterised in that the valve seat (11) includes outer wall, parallel
In the parallel walls (111) of the outer pars intramuralis, the side of the parallel walls (111) is formed with the outer wall and is connected after the valve body
The through flow hole (1f) in chamber (1d) and the pilot valve chamber (2a), opposite side and the ring part (122) outer wall sliding connection,
Gap between the ring part (122) and the parallel walls (111) forms and connects the valve body rear chamber (1d) and the master
The ring part gap (1c) of valve chamber (1a)；Ring part (122) periphery is provided with cannelure (124), the cannelure (124)
It is provided with piston ring (125).
5. electromagnetic valve according to claim 4, it is characterised in that the number of the piston ring (125) is at least two,
The parallel periphery located at the ring part (122) of piston ring described at least two (125).
6. the electromagnetic valve according to any one of claim 1-3, it is characterised in that the pilot valve (2) of electromagnetic valve is including valve pocket
(21) and its inside pilot valve valve element (22), end socket (23), be provided with envelope between the pilot valve valve element (22) and the end socket (23)
Head chamber (2b), the pilot valve chamber (2a) is by the gap between the valve pocket (21) and the pilot valve valve element (22) and the envelope
Head chamber (2b) is connected.
7. a kind of refrigeration system, it is characterised in that including the electromagnetic valve described in any one of claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310700253.5A CN104728509B (en) | 2013-12-18 | 2013-12-18 | Solenoid valve and refrigeration system with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310700253.5A CN104728509B (en) | 2013-12-18 | 2013-12-18 | Solenoid valve and refrigeration system with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104728509A CN104728509A (en) | 2015-06-24 |
| CN104728509B true CN104728509B (en) | 2017-04-19 |
Family
ID=53452695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310700253.5A Active CN104728509B (en) | 2013-12-18 | 2013-12-18 | Solenoid valve and refrigeration system with same |
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| Country | Link |
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| CN (1) | CN104728509B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439061B (en) * | 2015-08-11 | 2019-08-27 | 浙江三花制冷集团有限公司 | Piston of electromagnetic valve component and its piston, sealing-plug |
| CN108266557B (en) * | 2016-12-30 | 2020-11-03 | 浙江三花汽车零部件有限公司 | Electromagnetic valve |
| JP7187011B2 (en) * | 2018-09-07 | 2022-12-12 | 株式会社フジキン | Actuators, valves, fluid supply systems, and semiconductor manufacturing equipment |
| CN110906042B (en) * | 2018-09-17 | 2022-11-11 | 浙江三花商用制冷有限公司 | Electromagnetic valve |
| TWI738526B (en) * | 2020-09-25 | 2021-09-01 | 林士豪 | Refrigerant gauge |
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|---|---|---|---|---|
| CN201284871Y (en) * | 2008-08-08 | 2009-08-05 | 浙江三花股份有限公司 | Pilot type solenoid valve |
| CN101994860A (en) * | 2009-08-14 | 2011-03-30 | 浙江三花股份有限公司 | Electromagnetic valve and heat exchange device comprising same |
| CN102052468A (en) * | 2009-11-01 | 2011-05-11 | 浙江三花制冷集团有限公司 | Flow path switch control device |
| CN103322273A (en) * | 2012-03-21 | 2013-09-25 | 浙江三花股份有限公司 | Bidirectional electromagnetic valve |
| CN103375629A (en) * | 2012-04-24 | 2013-10-30 | 浙江三花股份有限公司 | Electromagnetic valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5658194B2 (en) * | 2012-04-23 | 2015-01-21 | 株式会社鷺宮製作所 | solenoid valve |
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2013
- 2013-12-18 CN CN201310700253.5A patent/CN104728509B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201284871Y (en) * | 2008-08-08 | 2009-08-05 | 浙江三花股份有限公司 | Pilot type solenoid valve |
| CN101994860A (en) * | 2009-08-14 | 2011-03-30 | 浙江三花股份有限公司 | Electromagnetic valve and heat exchange device comprising same |
| CN102052468A (en) * | 2009-11-01 | 2011-05-11 | 浙江三花制冷集团有限公司 | Flow path switch control device |
| CN103322273A (en) * | 2012-03-21 | 2013-09-25 | 浙江三花股份有限公司 | Bidirectional electromagnetic valve |
| CN103375629A (en) * | 2012-04-24 | 2013-10-30 | 浙江三花股份有限公司 | Electromagnetic valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104728509A (en) | 2015-06-24 |
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