CN205824268U - A kind of defrosting electromagnetic valve - Google Patents
A kind of defrosting electromagnetic valve Download PDFInfo
- Publication number
- CN205824268U CN205824268U CN201620450985.2U CN201620450985U CN205824268U CN 205824268 U CN205824268 U CN 205824268U CN 201620450985 U CN201620450985 U CN 201620450985U CN 205824268 U CN205824268 U CN 205824268U
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- valve
- assembly
- piston
- valve body
- moving spring
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Abstract
The utility model discloses a kind of defrosting electromagnetic valve, including valve body, valve gap, piston, core assembly, back-moving spring, solenoid switch, wherein, piston is connected with spool, when the solenoid is activated, the downward telemechanical of piston overpowers spring is promoted by gases at high pressure, now core assembly closes lower valve port, the gas flow compressor air suction mouth of vaporizer, when electromagnetic valve power-off, after inducing QI valve port closed by core iron assembly, back-moving spring promotes piston upwards to reset, now gases at high pressure flow to evaporator, now the solidifying frost of evaporator surface is melted by high-temperature gas, play and compressor steam is recovered to vaporizer.This utility model converts, according to gases at high pressure, the method flowed to and controls the direction conversion of its system steam, saves the energy, it is simple to user operation, simplifies refrigeration system.
Description
Technical field
This utility model relates to refrigeration system technical field, particularly relates to a kind of for refrigeration system evaporator automatic defrosting
Three-way magnetic valve.It is generally used for more complicated combined refrigeration system.
Background technology
This utility model relates to SV2W Solenoid Valve Technology, is performed the automatic valve of switch motion by magnetic force, and it plays and makes
Media flow direction changes or the effect of switching.In prior art, in refrigeration systems, general employing additionally heats and removes steaming
Send out the solidifying frost on device surface, and be similar to electromagnetic valve at home and only have 2/2-way, there is not heat recovery system, causing power consumption to increase,
It is unfavorable for environmental protection.In view of this, the two-bit triplet electromagnetic valve of this product design and development is applied to refrigeration system, in electromagnetic valve power-off
Time, the high-temperature gas utilizing compressor to produce melts the solidifying frost of evaporator surface, reaches the purpose of automatic defrosting, and then save energy
Consumption, environmental protection low-carbon (LC).
Utility model content
The purpose of this utility model is to provide a kind of electromagnetic type three-way valve to perform between condenser and heat regenerator
Flowing switching, highly reliable, working stability, reduces energy consumption, low-carbon environment-friendly.
In order to realize technique scheme, this utility model provides a kind of defrosting three-way magnetic valve, including valve body, valve
Lid, piston, core assembly, back-moving spring, electromagnetic switch.Valve body is provided with vaporizer air inlet/outlet, exhaust outlet of compressor and compression
Machine air entry, vaporizer air inlet/outlet is positioned on the left of valve body, and exhaust outlet of compressor is positioned at valve body lower end, and compressor air suction mouth is positioned at
On the right side of valve port.
Wherein one end of back-moving spring is fixed on piston, and the other end is fixed on core assembly.Described back-moving spring, piston
It is respectively positioned on body cavity with core assembly.
Bonnet, is positioned at nearly piston one end, valve body top, is fastened by hexagon socket cap head screw (full thread, M10 × 25)
In valve body, gas port is bonnet, centre bore.
Electromagnetic switch is positioned at valve body upper end, is connected with bonnet, by fastening spring, including casing seat assembly, clip group
Part and the solenoid (AC220V) being wrapped in casing seat assembly outer wall.It is fixed with core iron group in casing seat component internal centre bore
Part, is provided with back-moving spring on the upside of core iron component internal, and wherein one end of this back-moving spring is assembled by core iron assembly centre bore
On thimble assembly, spring plane and the plane contact in thimble assembly.
Bottom flange is fixed on one end of the nearly core assembly of valve body lower portion, forms compressor outlet with cavity.
Compared with prior art, this utility model provides a kind of three-way magnetic valve.In the refrigeration system having recuperation of heat, use
STV30 type three-way solenoid valve performs the flowing switching between condenser and heat regenerator.When the solenoid is activated, vaporizer
Air inlet/outlet is conducting to compressor air suction mouth, is now system normal refrigeration work running status.When solenoid valves, now
Compressor outlet is conducting to vaporizer air inlet/outlet, and when electromagnetic valve power-off, now exhaust outlet of compressor is conducting to evaporation
Device air inlet/outlet, then passes through magnetic switch close compressor high pressure gas gas port, the piston upper chamber high pressure gas of valve body automatically
Body disconnects, and now piston closes compressor air suction mouth under the effect of back-moving spring, is transformed into by compressor pressure high temperature hot gas
In vaporizer, after temperature raises, the frosting of evaporator surface will disappear, thus reach the purpose of automatic defrosting, save the energy, no
Increasing operation bidirectional, safety is stable again.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing of the present utility model it is further understood that constitute the part of the application,
It is not intended that improper restriction of the present utility model, in the accompanying drawings:
Fig. 1 is sectional view of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing and specific embodiment, this utility model is described in further detail, it is clear that retouched
The embodiment stated is only a part of embodiment of this utility model rather than whole embodiments.
As it is shown in figure 1, this utility model provides a kind of defrosting three-way magnetic valve, including valve body 1, bonnet, 2, bottom flange
Assembly 3, piston 5, core assembly 6, back-moving spring 4, solenoid switch 16, described valve body 1 is internal is cavity structure, this sky
Cavity configuration is divided into upper and lower two chambeies；Above-mentioned piston 5 is fixedly installed valve body 1 epicoele and lower intracavity with core assembly 6, and through upper and lower cavity
The pressure reduction of the airtight cavity formed orders about the piston 5 of valve and moves up and down with core assembly 6.
Wherein wherein one end of back-moving spring 4 is fixed on piston 5, and the other end is fixed on core assembly 6, back-moving spring 4
Play at work and reset and the effect of minimum differntial pressure startup.
Described back-moving spring 4, piston 5 and core assembly 6 are respectively positioned on valve body 1 inner chamber, and piston 5 and core assembly 6 pass through spiral shell
Stricture of vagina connects.
Bonnet, 2 is positioned at nearly piston 5 one end, is anchored on valve by hexagon socket cap head screw (full thread, M10 × 25) 10
Body, bonnet, centre bore is gas port.
Solenoid switch 16 is connected with bonnet, 2, including being provided with back-moving spring 13 and core iron group by fastening spring 14
The casing seat assembly 12 of part 11, clip assembly 15 and the solenoid (AC220V) 16 being wrapped in casing seat assembly 12 outer wall,
During wherein core iron assembly 11 is placed on casing seat assembly 12, casing seat assembly 12 is fixed by screws in bonnet, 2, and and electromagnetism
Coil 16 is installed together, and is played the effect controlling gas port switch by energising power-off.
Bottom flange 3 is fixed on one end of the nearly core assembly 6 of valve body 1, and the lower valve port formed with cavity is connected compressor and gives vent to anger
Mouth C.
This utility model relates to SV2W Solenoid Valve Technology, is performed the automatic valve of switch motion by magnetic force, and it plays and makes
Media flow direction changes or the effect of switching.When solenoid 16 is energized, gas port do not closed by core iron assembly 11, by height
Pressure gas push piston 5 overcomes back-moving spring 4 to make it move downward, now core assembly 6 close compressor air vent C, evaporation
The gas flow compressor air suction mouth D of device；When solenoid 16 power-off, after inducing QI valve port closed by core iron assembly 11, reset bullet
Spring 4 promotes piston 5 upwards to reset, and now gases at high pressure flow to vaporizer air inlet/outlet B, and then high-temperature gas is by evaporator surface
Solidifying frost melt, play the effect that compressor steam is recovered to vaporizer,
Embodiment of the present utility model simply introduces its detailed description of the invention, does not lies in and limits its protection domain.The industry
Technical staff under the inspiration of the present embodiment, may be made that some is revised, therefore all done according to this utility model the scope of the claims
Equivalence change or modification, belong in this utility model scope of the patent claims.
Claims (3)
1. a defrosting electromagnetic valve, it is characterised in that: include that valve body, valve gap, piston, core assembly, back-moving spring, electromagnetism are opened
Close；Valve body is provided with vaporizer air inlet/outlet, exhaust outlet of compressor and compressor air suction mouth, and it is left that vaporizer air inlet/outlet is positioned at valve body
Side, compressor outlet is positioned at valve body lower end, and compressor inlet is positioned on the right side of valve port；
Wherein one end of back-moving spring is fixed on piston, and the other end is fixed on core assembly, described back-moving spring, piston and valve
Core assembly is respectively positioned on body cavity；
Bonnet, is positioned at nearly piston one end, valve body top, is anchored on valve body by hexagon socket cap head screw, and gas port is upper valve
Lid centre bore；
Bottom flange is fixed on one end of the nearly core assembly of valve body lower portion, forms exhaust outlet of compressor with cavity.
A kind of defrosting electromagnetic valve the most according to claim 1, it is characterised in that: described electromagnetic switch is positioned on valve body
End, is connected with bonnet, by fastening spring, including casing seat assembly, clip assembly be wrapped in casing seat assembly outer wall
Solenoid；It is fixed with core iron assembly in casing seat component internal centre bore, on the upside of core iron component internal, is fixed with back-moving spring,
Wherein one end of this back-moving spring is assemblied on thimble assembly by core iron assembly centre bore, in spring plane and thimble assembly
Plane contact.
A kind of defrosting electromagnetic valve the most according to claim 1, it is characterised in that: described valve inner is cavity structure,
This cavity structure is divided into upper and lower two chambeies；Above-mentioned piston and core assembly are fixedly installed valve body epicoele and lower intracavity, and through upper and lower cavity
The pressure reduction of the airtight cavity formed orders about the piston of valve and moves up and down with core assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620450985.2U CN205824268U (en) | 2016-05-18 | 2016-05-18 | A kind of defrosting electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620450985.2U CN205824268U (en) | 2016-05-18 | 2016-05-18 | A kind of defrosting electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205824268U true CN205824268U (en) | 2016-12-21 |
Family
ID=57557794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620450985.2U Active CN205824268U (en) | 2016-05-18 | 2016-05-18 | A kind of defrosting electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205824268U (en) |
-
2016
- 2016-05-18 CN CN201620450985.2U patent/CN205824268U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201812 Shanghai City, Jiading District Nanxiang Town lies north road 1755 Lane 15, 1-4 floor B District Patentee after: Shanghai Shen refrigeration controller Limited by Share Ltd Address before: 201812 Shanghai City, Jiading District Nanxiang Town lies north road 1755 Lane 15, 1-4 floor B District Patentee before: SHANGHAI FENGSHEN REFRIGERATION CONTROLS CO., LTD. |