CN202432077U - Air-conditioning electromagnetic valve - Google Patents
Air-conditioning electromagnetic valve Download PDFInfo
- Publication number
- CN202432077U CN202432077U CN2012200328968U CN201220032896U CN202432077U CN 202432077 U CN202432077 U CN 202432077U CN 2012200328968 U CN2012200328968 U CN 2012200328968U CN 201220032896 U CN201220032896 U CN 201220032896U CN 202432077 U CN202432077 U CN 202432077U
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- valve
- valve casing
- core iron
- spool
- core
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- Expired - Fee Related
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Abstract
The utility model relates to an air-conditioning electromagnetic valve. The air-conditioning electromagnetic valve comprises a valve shell, an end socket, core iron, a valve core, a conduit, an inlet pipe, an outlet pipe, a small spring, a large spring and a filter. The valve shell is in threaded connection with the lower end of the conduit. The outlet pipe is fixed by the lower end of the valve shell which is connected with the inlet pipe in the horizontal direction. The core iron made of a stainless steel soft magnet can slide in the conduit. When being electrified, the end socket generates magnetism to pull the core iron upward, the valve core is jacked by the large spring and a certain distance is reserved between the valve core and a channel opening of the valve shell, and a fluid medium flows into the outlet pipe from a gap between the valve core and the valve shell. If the valve core faces upward, the flow is increased while if the valve core faces downward, the flow is decreased. When the electromagnetic valve is switched off, the cone-shaped surface of the valve core leans against the channel opening of the valve shell and the fluid channel is closed. The filter is arranged in the inlet pipe. The utility model has the beneficial effects that the fluid pressure and flow of fluid in the outlet pipe are maintained within a process range by adjusting the position of the end socket and the elasticity of the springs; and a filter screen is arranged to remove impurities in the fluid medium.
Description
Technical field
The utility model relates to the air conditioner facility fitting field, relates in particular to a kind of air-conditioning solenoid valve.
Background technique
In recent years; Along with improving constantly of global environmental consciousness, significant change is taking place in refrigeration agent, and ammonia and fluorine Lyons gradually reduce; And novel refrigerants such as lithium bromide are progressively increasing, and problems such as the relevant sealing of air conditioner facility, burn into life-span all require relevant enterprise to design again.The air-cooling system of air-conditioning unit is mainly controlled temperature, humidity by regulating air quantity, and the continuous adjusting of valve flow is also not exclusively necessary, yet receives external traditional influence, and complex structure, moment mortor operated valve more rambunctious are at home still in a large amount of uses.Now the air-conditioning system of valveless condensation occurs through regular meeting and drips, and wet stroke (liquid hammer) phenomenon takes place during start, and is light then can make the serious frosting of cylinder head of refrigeration compressor if untimely processing, causes its refrigerating capacity decline; Heavy then can make the valve block gas leakage or the fracture of refrigeration compressor, piston is by the breakage of breaking, and connecting rod also can cold deformation when serious, causes cooling machine set work undesired.The reason that causes the wet stroke of refrigeration compressor mainly contains: 1, since the compressor cylinder inspiration a large amount of refrigeration agent damp steams (oversaturated vapor); In vaporizer, fail to evaporate well when refrigeration agent, a large amount of damp steam (oversaturated vapor) or liquid will get into compressor cylinder by sucking pipe.At this moment, what piston compressed is not gas, but liquid, thereby the wet stroke phenomenon of compressor takes place; 2, because the influence of compressor piston ring effect makes a large amount of refrigerator oils scurry to compressor cylinder: when piston ring scuffing or the disappearance of piston ring elastic force; Cause sideshake and back clearance between compression ring and the annular groove to increase, thereby filled a large amount of refrigerator oils therein, compression ring is under the acting in conjunction of gas force, frictional force and inertial force; In annular groove, constantly do relative movement; This just is equivalent to an extruding type oil pump, brings refrigerator oil into the cylinder top thus, causes wet stroke.In view of above-mentioned 2 reasons, my company is provided with solenoid valve synchronouss working with the air conditioner refrigerating compressor, and promptly one of solenoid valve is connected in series with refrigeration compressor, and the other end communicates with pipeline; Under the synchronous switching control of power supply, refrigeration compressor is synchronoused working with solenoid valve or is stopped synchronously.
Refrigeration system has the pollution of quite a few fault and condensed water relevant.Pollution in the condensed water can be quickened the wearing and tearing of solenoid valve and refrigeration system, and stuck spool stops up working clearance and aperture, causes the refrigeration system cisco unity malfunction.
Summary of the invention
The purpose of the utility model is to overcome the deficiency of above-mentioned existing technology, and a kind of reliable performance, cheap, air-conditioning solenoid valve that filtering function is arranged are provided.When refrigeration compressor turned round, solenoid valve was opened, and refrigeration agent flows through solenoid valve; When compressor shut down, closed electromagnetic valve was realized with the work of air conditioner refrigerating Compressor Synchronous and is stopped, and has avoided the generation of wet stroke (liquid hammer) phenomenon, has improved the working life of air-conditioning unit.
To achieve these goals, the technological scheme of the utility model is following: a kind of air-conditioning solenoid valve comprises: valve casing, end socket, core iron, spool, conduit, inlet tube, outer pipe, little spring, big spring, filter;
The lower end that the upper end of valve casing is provided with internal thread and conduit is threaded; The lower end of valve casing has been fixedly connected outer pipe; The valve casing substantially horizontal has connected inlet tube; Be provided with the passage of multiple tracks step in the middle of the valve casing;
End socket and core iron are all made by the stainless steel soft magnetism, and core iron can slide up and down in conduit, and during energising, end socket produces magnetic, and the elastic force that magnetic force has overcome little spring up draws core iron; During outage, core iron is returning position under the little spring effect.In the middle of the core iron through hole is arranged, shelved little spring in the macropore of upper end, the lower end surface that end socket is withstood in the little spring upper end, end socket is pushed down core iron through little spring, and the steel ball that the core iron lower end is provided with withstands on the spool upper-end surface;
The other big spring of having shelved of step that the valve casing lower end is protruding, the spool lower end surface is withstood in the big spring upper end, and the valve casing passway on the step of lower end, valve casing fluid passage and the conical surface of spool lower end are adaptive; Under "on" position, the elastic force that core iron has overcome little spring is held pull-up by end socket, spool headed on by big spring and the valve casing passway between keep certain distance; Flowing medium in the valve flows into outer pipe from the space between spool conical surface and the valve casing passway, spool is then valve body flow increase upwards, and spool reduces to next valve body flow; When solenoid valve cuts off the power supply; Core iron down resets under the little spring effect, and the spool conical surface holds out against the valve casing passway, and then the fluid passage is closed;
In inlet tube, be provided with filter, stay impurity such as the copper scale in the flowing medium, greasy dirt, oxide in the filter, keep the proper functioning of refrigeration system;
Benefit of the present invention is: the position through regulating end socket and the elastic force of spring, in the processing range that maintains setting to the fluid hydraulic pressure in the outer pipe and fluid flow; Filter screen is set removes impurity such as copper scale, greasy dirt, oxide in the flowing medium, continue the normal function of maintaining valve.
Description of drawings
Fig. 1 is a kind of three-dimensional cutaway view of air-conditioning solenoid valve.
Description of reference numerals:
1 valve casing, 1-1 valve casing passway, 2 core irons, 2-1 end socket, 2-2 steel ball, 3 spools, 3-1 seal boss, 3-2 conical surface, 4 conduits, 5 outer pipes, 6 big springs, 7 little springs, 8 inlet tubes, 9 filters.
Embodiment
Through accompanying drawing and embodiment the utility model is done further to set forth in detail below.
A kind of structure of air-conditioning solenoid valve is as shown in Figure 1, comprises valve casing 1, core iron 2, end socket 2-1, spool 3, conduit 4, inlet tube 8, outer pipe 5, big spring 6, little spring 7, filter 9.
The upper end of valve casing 1 is provided with internal thread; Be threaded with the lower end of stainless steel pipe 4; And when connecting, on the threaded joint face, coat efficient glue and prevent seepage, changed traditional high-frequency welding manner, avoid traditional highfrequency welding to be connected to the hidden danger of quality of internal and outernal leakage.If when Checking of finished products, find to leak, can reprocess, avoid finished product to scrap, reduce cost, can reduce the input of high frequency welding equipment.
The lower end of valve casing 1 has been fixedly connected outer pipe 5; The valve casing substantially horizontal has connected inlet tube 8; Be provided with the passage of multiple tracks step in the middle of the valve casing 1;
End socket 2-1 and core iron 2 are all made by the stainless steel soft magnetism, and core iron 2 can slide up and down in conduit 4; In the middle of the core iron 2 through hole is arranged, shelved little spring 6 in the macropore of upper end, the lower end surface that end socket 2-1 is withstood in little spring 6 upper ends, end socket 2-1 pushes down core iron through little spring 6, and the steel ball that the core iron lower end is provided with withstands on the spool upper-end surface; During energising, end socket 2-1 produces magnetic, and the elastic force that magnetic force has overcome little spring 6 up draws core iron 2; During outage, core iron 2 is returning position under the effect of little spring 6.
Big spring 6 has been shelved on protruding step side, valve casing 1 lower end, and spool 3 lower end surfaces are withstood in big spring 6 upper ends, and the valve casing passway 1-1 on the step of lower end, valve casing fluid passage and the conical surface 3-2 of spool 3 lower ends are adaptive; Under "on" position; The elastic force that core iron 2 has overcome little spring 7 is held pull-up by end socket 2-1, spool 3 headed on by big spring 6 and valve casing passway 1-1 between keep certain distance, the flowing medium in the valve flows into outer pipe from the space between spool conical surface 3-2 and the valve casing passway 1-1; Spool 3 is then valve body flow increase upwards; Spool 3 reduces to next valve body flow, and when the solenoid valve outage, core iron 2 resets under little spring 6 effects; Spool conical surface 3-2 holds out against valve casing passway 1-1, and then the fluid passage is closed.
Its working principle is following: the fluid hydraulic pressure in the valve body upwards pushes up spool 3 together with the elastic force of big spring 6; End socket 2-1 passes through little spring 7, steel ball 2-2 spool 3 pressed downward; When the Spring balanced of both direction up and down; Fluid gets into outer pipe 5 from inlet tube 8 space between conical surface 3-2 and the valve casing passway 1-1 of flowing through, and keeps normal flow rate; When the fluid output resistance of outer pipe 5 increased, the hydraulic pressure of increase can pass through spool 3, core iron 2 compression little springs 7, up push away spool 3, and augmented flow, the increase of flow is returned to the fluid of outer pipe 5 hydraulic pressure of setting again; Vice versa.In closed conduit, the constant pipeline flow of sectional area only changes along with hydraulic pressure, hydraulic pressure be controlled in setting among a small circle in, then the wave range of fluid flow must be also little.Need only move to suitable position to end socket 2-1, just can control the pressure of 7 pairs of core irons 2 of little spring, make solenoid valve keep the flow and the hydraulic pressure of setting.
In the time of need turning the solenoid valve flow down, need only perhaps change end socket 2-1 pressed downward little spring 7 and increase elastic force, down be pressed onto suitable working position to spool 3 and get final product; Vice versa.
One of innovative point of the present invention is exactly in the middle of inlet tube 8, to be provided with filters 9, and flowing medium is through behind the filter 9, has removed impurity such as the copper scale that exists in the fluid, greasy dirt, oxide, can continue to guarantee the air-conditioning system proper functioning.Filter 9 can be divided into coarse-grain filtering device and fine filter two big classes by filter precision; Mode by filtering can be divided into surface-type, degree of depth type and middle type filter.Basic demand to filter 9 is: enough filter precisioies and filter capacity are arranged; The filter core corrosion resistance will be got well, and is beneficial to clean and change, and can under the temperature of regulation, works enduringly.
Claims (2)
1. an air-conditioning solenoid valve comprises: valve casing, end socket, core iron, spool, conduit, inlet tube, outer pipe, little spring, big spring;
The lower end that the upper end of valve casing is provided with internal thread and conduit is threaded; The lower end of valve casing has been fixedly connected outer pipe; The valve casing substantially horizontal has connected inlet tube; Be provided with the passage of multiple tracks step in the middle of the valve casing;
End socket and core iron are all made by the stainless steel soft magnetism, and core iron can slide up and down in conduit, and during energising, end socket produces magnetic, and magnetic force up draws core iron; During outage, core iron is returning position under the little spring effect;
In the middle of the core iron through hole is arranged, shelved little spring in the macropore of upper end, the lower end surface that end socket is withstood in the little spring upper end, end socket is pushed down core iron through little spring, and the steel ball that the core iron lower end is provided with withstands on the spool upper-end surface;
The other big spring of having shelved of step that the valve casing lower end is protruding, the spool lower end surface is withstood in the big spring upper end, and the valve casing passway on the step of lower end, valve casing fluid passage and the conical surface of spool lower end are adaptive; Under "on" position, the elastic force that core iron has overcome little spring is held pull-up by end socket, spool headed on by big spring and the valve casing passway between keep certain distance, the flowing medium in the valve flows into outer pipe from the space between spool conical surface and the valve casing passway; When solenoid valve cut off the power supply, core iron down resetted under the little spring effect, and the spool conical surface holds out against the valve casing passway, and then the fluid passage is closed.
2. a kind of air-conditioning solenoid valve as claimed in claim 1 is characterized in that: in said inlet tube, be provided with filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200328968U CN202432077U (en) | 2012-02-02 | 2012-02-02 | Air-conditioning electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200328968U CN202432077U (en) | 2012-02-02 | 2012-02-02 | Air-conditioning electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202432077U true CN202432077U (en) | 2012-09-12 |
Family
ID=46781523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200328968U Expired - Fee Related CN202432077U (en) | 2012-02-02 | 2012-02-02 | Air-conditioning electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202432077U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819334A (en) * | 2015-04-30 | 2015-08-05 | 华中科技大学无锡研究院 | Pilot type membrane electromagnetic switch valve |
| CN113294571A (en) * | 2021-05-28 | 2021-08-24 | 青岛迪丰机械有限公司 | High-precision medical gas pressure reducing valve |
-
2012
- 2012-02-02 CN CN2012200328968U patent/CN202432077U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819334A (en) * | 2015-04-30 | 2015-08-05 | 华中科技大学无锡研究院 | Pilot type membrane electromagnetic switch valve |
| CN104819334B (en) * | 2015-04-30 | 2018-01-05 | 华中科技大学无锡研究院 | A kind of pilot type diaphragm electromagnetic switch valve |
| CN113294571A (en) * | 2021-05-28 | 2021-08-24 | 青岛迪丰机械有限公司 | High-precision medical gas pressure reducing valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20120912 Termination date: 20180202 |