CN2490378Y - Bistable electromagnetic four-way change valve - Google Patents
Bistable electromagnetic four-way change valve Download PDFInfo
- Publication number
- CN2490378Y CN2490378Y CN 01227999 CN01227999U CN2490378Y CN 2490378 Y CN2490378 Y CN 2490378Y CN 01227999 CN01227999 CN 01227999 CN 01227999 U CN01227999 U CN 01227999U CN 2490378 Y CN2490378 Y CN 2490378Y
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- valve
- pilot valve
- valve body
- electromagnetic coil
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Abstract
The utility model discloses an improved bi-stable electromagnetic four-way change valve which is composed of an electromagnetic coil, a guide valve, a main valve and permanent magnets. The utility model is characterized in that both ends of the guide valve are respectively provided with a sealing head, the inner of which is provided with a movable core iron. The outer side of the guide valve is provided with the permanent magnets which are arranged face to face. The electromagnetic coil makes current only at the inverting moment. At ordinary times, the core iron is maintained at the original position by depending on the magnetic performance of the permanent magnets. Thus, the consumption of electrical energy is decreased, and the electromagnetic noise is eliminated. The working state of the electromagnetic coil is improved for enhancing the working reliability.
Description
The utility model relates in a kind of heat pump type air conditioner and change refrigerant flow direction, realize refrigeration or heat the electromagnetism four-way change-over valve of purpose, especially a kind of bistable electromagnetic four-way change-over valve that has improved belongs to a kind of refrigeration valve class.
The structure of at present general electromagnetism four-way change-over valve is shown in accompanying drawing one, it is by electromagnetic coil (I), three parts of pilot valve (II) and main valve (III) are formed, its structure and working principle are described below: main valve includes a columnar valve body (14), the vent connection D that is connected with exhaust outlet of compressor is arranged on it, the air-breathing adapter S that is connected with the compressor air suction mouth, the adapter E that is connected with indoor heat converter, the adapter C that is connected with outdoor heat converter, there is end cap (11) sealing at the valve body two ends, interior welds has valve seat (15), slide block (9) that also useful connecting rod (10) fuses and pair of pistons (13), valve seat and the slide block kinematic pair that partners, piston and valve body are then formed another to kinematic pair, have very small equalizing orifice on the piston, so that make the air pressure at piston two ends keep balance behind certain hour, the tapered plug on the piston (12) has been formed a pair of sealing with end cap valve port (16) and has been paid, and by piston the main valve inner chamber is separated into a left side (E side), in, right (C side) three chambers; Pilot valve comprises a pilot valve body (8), and the capillary tube e that is connected with chamber, a main valve left side is arranged on it, and the capillary tube c with the right chamber of main valve is connected takes over the capillary tube s that is connected with S; Sleeve pipe (4), end socket (1), little valve seat (7) are arranged, and riveted joint there is the movably core iron (3) of trailing frame (5); Returning spring (2) is arranged and be inlaid in bowl-shape shape small slide bowl (6) in the trailing frame hole, small slide bowl and the little valve seat kinematic pair that partners.
When air conditioner refrigerating moves, the electromagnetic coil no electric circuit, core iron moves to left under the effect of returning spring, small slide bowl also moves to left thereupon, thereby make e, the s capillary tube communicates, because taking over, S is low pressure area, so the gas in chamber, a main valve left side passes through e, s capillary tube and small slide bowl and flow into low pressure area, though high pressure air is replenished in chamber left by the equalizing orifice on the piston, but because of equalizing orifice much smaller than capilar bore, inflow is difficult to replenish flows out, therefore left chamber becomes low pressure area, and take over the high pressure air of the main valve lumen that communicates by the right chamber of the inflow of the equalizing orifice on piston main valve with D, thereby set up the zone of high pressure gradually in right chamber, so between the chamber, the left and right sides of main valve, just formed a pressure difference, and therefore slide block and piston have been pushed to left side, make E, S takes over and communicates, D, C takes over and communicates, this moment, the refrigeration agent circulation path of internal system was: pressurized gas-D adapter-valve body-C adapter-outdoor heat converter-throttle element-indoor heat converter-E adapter-slide block-S that compressor is discharged take over-is sucked by compressor then, so whole system is in the refrigeration work state.
When the air-conditioning heating operation, the electromagnetic coil energising, core iron overcomes returning spring under the effect of electromagnetic attraction active force moves right, and small slide bowl also moves to right thereupon, and c, s capillary tube are communicated.As mentioned above, the right chamber of main valve just becomes low pressure area, left chamber then becomes the zone of high pressure, therefore slide block and piston just have been pushed to the right side, C, S are taken over to communicate, D, E take over and communicate, and the refrigeration agent circulation path of this moment is: compressor air-discharging D adapter-valve body-E adapter-indoor heat converter-throttle element-outdoor heat converter-C adapter-slide block-S adapter-compressor air suction mouth heats working state so system architecture is in.Said structure is by the switching of electromagnetism four-way change-over valve to pipeline, just make indoor heat converter become condenser for the state of heating from the vaporizer of refrigerating state, outdoor heat converter has then become vaporizer from condenser, thereby makes air-conditioning realize the purpose of the dual-use that refrigeration in summer, winter heat.But the four-way electromagnetic reversing valve of said structure, its electromagnetic coil is no electric circuit when refrigerating operaton, and when heating operation, be in lasting "on" position, so not only power consumption but also make electromagnetic noise without cease, and damage easily owing to be in more abominable continuous firing state, thereby reduced the functional reliability of product.
The purpose of this utility model is to overcome the deficiency of above-mentioned existence, only just switch on and provide a kind of in the moment of commutating, i.e. outage after the commutation mainly relies on the magnetic of permanent magnet to make core iron remain on original position and therefore makes valve be in the bistable electromagnetic four-way change-over valve of original working state.
For achieving the above object, technical solution of the present utility model is: it is by electromagnetic coil, pilot valve, main valve is formed, main valve comprises a valve body, valve inner is provided with a valve seat that offers three through holes, being connected to the E that is communicated with indoor heat converter respectively with these three through hole corresponding sections on valve body takes over, the C adapter that the S that can be communicated with the compressor air suction mouth takes over and can be communicated with outdoor heat converter, on valve body, the D of exhaust outlet of compressor and body cavity connection can be taken over slide block that slides that the also useful connecting rod of body cavity connects together and a pair of piston that body cavity can be separated into three chambers in left center right on valve seat surface in addition in addition; Pilot valve includes the movably core iron of a pilot valve body and Qi Nei arrangement, the external electromagnetic coil that disposes of pilot valve, on the pilot valve body, also be provided with main valve two ends and S and take over e, c, the s capillary tube that is connected, it is characterized in that the external both sides of described pilot valve are provided with a group permanent-magnet of face-to-face arrangement, are mounted with the spool that matches with valve port on the valve seat in the pilot valve body.
Described pilot valve body is a columnar sleeve pipe, each sealing of its two ends has an end socket valve seat, the tapered plug shape spool and the spring that keep sealing to pay with the end socket valve port are arranged in the end socket, two ends end socket valve seat respectively has a capillary e, c to link to each other with the main valve two ends, and the centre of pilot valve body has a capillary s to link to each other with the S adapter of main valve.
Described pilot valve body is a columnar sleeve pipe, respectively there is an end socket sealing at its two ends, in it movably core iron be provided with the spool of a bowl-shape shape small slide bowl, the pilot valve body is provided with and small slide bowl spool valve seat kinematic pair, that have three valve ports on it that partners, and three valve ports respectively are connected to capillary tube e, c, s.
The utility model is mounted with electromagnetic coil in a side of above-described pilot valve body, a magnet case respectively is equipped with at the two ends of this electromagnetic coil, between electromagnetic coil and pilot valve body, be provided with the permanent magnet seat, be inlaid with the permanent magnet of settling across pilot valve dignity opposite on it.
Described pilot valve body and electromagnetic coil are fixed on the main valve by a fixed support.
Description of drawings is as follows:
Fig. 1 is the prior art constructions schematic representation.
Fig. 2 is an example structure schematic representation of the present utility model.
Fig. 3 is another example structure schematic representation of the present utility model.
Fig. 4 is an external structure schematic representation of the present utility model
Below in conjunction with accompanying drawing the utility model is described in detail: the utility model mainly is made up of electromagnetic coil (I), pilot valve (II) and three parts of main valve (III).The structure of main valve (III) remains unchanged, i.e. its structure identical with shown in Fig. 1, and following examples do not describe in detail this; Electromagnetic coil (I) adopts full-wave rectifier power supply, and its mounting point on pilot valve (II) is enclosed within on the sleeve pipe by biasing one end and changes a side that is placed on pilot valve into; The structure of pilot valve (II) has been done bigger improvement, and the permanent magnet (IV) of face-to-face arrangement is installed in its outside both sides, specifically 2 and 3 be further described in conjunction with the accompanying drawings: shown in Figure 2, the shell of pilot valve is a columnar sleeve pipe (18), two ends respectively have sealing that an end socket valve seat (19) is arranged, the tapered plug shape spool (22) and the spring (21) that keep sealing to pay with end socket valve port (23) are arranged in the end socket valve seat, and seal with shrouding (20), there is a core iron (17) movably inside, respectively have the left chamber and the right chamber at a capillary e and c and main valve two ends to join on the pilot valve two ends end socket valve seats (19), and the centre of pilot valve body there is a capillary s to link to each other with the S adapter of main valve.Its working principle is such, behind the logical forward power supply of electromagnetic coil, the active force in magnetic field moves to left core iron (17) and backs down the tapered plug shape spool (22) of left end, make e, the s capillary tube communicates, the tapered plug shape spool of right-hand member then is adjacent to the end socket valve port and keeps sealing under the effect of spring and air pressure, after the logical reverse electrical source of electromagnetic coil, the active force in magnetic field is also just reverse, thereby core iron is moved to right and back down the tapered plug shape spool of right-hand member, make c, the s capillary tube communicates, and the tapered plug shape spool of left end moves to right under the effect of spring and is adjacent to the end socket valve port, and rely on the double action of spring and air pressure to keep sealing, after outage, then rely on the magnetic of permanent magnet to make core iron remain on original position, realize freezing and the conversion that heats according to the working principle of aforementioned main valve.
Fig. 3 is another improvement project of pilot valve structure of the present utility model, its pilot valve body also is a columnar sleeve pipe (28), also respectively there is an end socket (26) sealing at two ends, and also there is a core iron (24) movably inside, and core iron is provided with the spool (25) of a bowl-shape shape small slide bowl; Also be provided with on the pilot valve body and small slide bowl spool valve seat kinematic pair, that have three valve ports on it (27) that partners, three valve ports respectively are connected to capillary tube e, c, the s with the identical Placement of last embodiment.Its working principle is such: after electromagnetic coil passed to the forward power supply, the power that core iron is moved to left drove the small slide bowl spool and is moved to the left together, thereby e, s capillary tube are communicated; After logical reverse electrical source, then core iron drive small slide bowl spool moves right, thereby c, s capillary tube are communicated, frictional force between the magnetic that then relies on permanent magnet after the outage and small slide bowl spool and valve seat (27) makes core iron remain on original position, realizes the conversion of freezing and heating according to the working principle of aforementioned main valve.
Accompanying drawing 4 is a form structure schematic representation of the present utility model, pilot valve (II) is positioned at a side of electromagnetic coil (I), a magnet case (30) respectively is equipped with at the two ends of electromagnetic coil, one permanent magnet seat (29) is arranged between electromagnetic coil and pilot valve, be embedded with the permanent magnet of settling across pilot valve shop front opposite (IV) on it, by fulcrum (31) and nut (32) with magnet case and electromagnetic coil fixing with the support (33) that is welded on the main valve (III) on, and by the slit port on the support (34) with the pilot valve riveted fixing.
The utility model compared with prior art has that to consume electric energy few, energy-conservation, has eliminated electromagnetic noise, Improve the duty of solenoid, improved the characteristics of the reliability etc. of its work.
Claims (5)
1, a kind of bistable electromagnetic four-way change-over valve, it is by electromagnetic coil, pilot valve, main valve is formed, main valve comprises a valve body, valve inner is provided with a valve seat that offers three through holes, being connected to the E that is communicated with indoor heat converter respectively with these three through hole corresponding sections on valve body takes over, the C adapter that the S that can be communicated with the compressor air suction mouth takes over and can be communicated with outdoor heat converter, on valve body, the D of exhaust outlet of compressor and body cavity connection can be taken over slide block that slides that the also useful connecting rod of body cavity connects together and a pair of piston that body cavity can be separated into three chambers in left center right on valve seat surface in addition in addition; Pilot valve includes the movably core iron of a pilot valve body and Qi Nei arrangement, the external electromagnetic coil that disposes of pilot valve, on the pilot valve body, also be provided with main valve two ends and S and take over e, c, the s capillary tube that is connected, it is characterized in that the outer both sides of described pilot valve body (18,28) are provided with a group permanent-magnet (IV) of face-to-face arrangement, in the pilot valve body, be mounted with valve seat (19,27) and go up the spool (22,25) that valve port matches.
2, bistable electromagnetic four-way change-over valve according to claim 1, it is characterized in that described pilot valve body (18) is a columnar sleeve pipe, each sealing of its two ends has an end socket valve seat (19), the tapered plug shape spool (22) and the spring (21) that keep sealing to pay with end socket valve port (23) are arranged in the end socket, two ends end socket valve seats (19) respectively have a capillary e, c to link to each other with main valve (III) two ends, and the centre of pilot valve body (18) has a capillary s to link to each other with the S adapter of main valve (III).
3, bistable electromagnetic four-way change-over valve according to claim 1, it is characterized in that described pilot valve body (28) is a columnar sleeve pipe, respectively there is an end socket (26) sealing at its two ends, in it movably core iron (24) be provided with the spool (25) of a bowl-shape shape small slide bowl, pilot valve body (28) is provided with and small slide bowl spool (25) valve seat kinematic pair, that have three valve ports on it (27) that partners, and three valve ports respectively are connected to capillary tube e, c, s.
4, according to claim 2 or 3 described bistable electromagnetic four-way change-over valves, a side that it is characterized in that described pilot valve body (18,28) is mounted with electromagnetic coil (I), a magnet case (30) respectively is equipped with at the two ends of this electromagnetic coil, between electromagnetic coil and pilot valve body, be provided with permanent magnet seat (29), be inlaid with the permanent magnet of settling across pilot valve dignity opposite (IV) on it.
5, bistable electromagnetic four-way change-over valve according to claim 4, ((18,28) and electromagnetic coil (I) are fixed on the main valve (III) by a fixed support (33) to it is characterized in that described pilot valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01227999 CN2490378Y (en) | 2001-06-25 | 2001-06-25 | Bistable electromagnetic four-way change valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01227999 CN2490378Y (en) | 2001-06-25 | 2001-06-25 | Bistable electromagnetic four-way change valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2490378Y true CN2490378Y (en) | 2002-05-08 |
Family
ID=33643271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01227999 Expired - Fee Related CN2490378Y (en) | 2001-06-25 | 2001-06-25 | Bistable electromagnetic four-way change valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2490378Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1297790C (en) * | 2003-10-30 | 2007-01-31 | 博罗耀峰电子有限公司 | Four way valve and ice-making machine using the valve |
| CN101319734B (en) * | 2007-06-04 | 2010-09-22 | 浙江三花制冷集团有限公司 | Piston link lever of four-way reversing valve |
| CN101532577B (en) * | 2005-01-13 | 2010-12-08 | 三菱电机株式会社 | Four-way valve |
| CN101205984B (en) * | 2006-12-19 | 2011-02-16 | 日立空调·家用电器株式会社 | Four-port conversion value and air conditioner using the same |
| CN102758957A (en) * | 2011-04-29 | 2012-10-31 | 浙江三花制冷集团有限公司 | Four-way reversing valve and main valve and connecting rod component of four-way reversing valve |
| CN102878322A (en) * | 2012-09-26 | 2013-01-16 | 广东志高空调有限公司 | Intelligent cold and hot water thermoregulation system |
| CN108930816A (en) * | 2017-05-23 | 2018-12-04 | 浙江三花制冷集团有限公司 | A kind of reversal valve and preparation method thereof |
| WO2019129190A1 (en) * | 2017-12-29 | 2019-07-04 | 浙江三花智能控制股份有限公司 | Electromagnetic switching valve |
| CN111442115A (en) * | 2020-03-19 | 2020-07-24 | 珠海格力电器股份有限公司 | Four-way valve and air conditioning system using same |
| CN115127249A (en) * | 2021-03-29 | 2022-09-30 | 同济大学 | Mode-adjustable pulse tube cooling and heating machine |
-
2001
- 2001-06-25 CN CN 01227999 patent/CN2490378Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1297790C (en) * | 2003-10-30 | 2007-01-31 | 博罗耀峰电子有限公司 | Four way valve and ice-making machine using the valve |
| CN101532577B (en) * | 2005-01-13 | 2010-12-08 | 三菱电机株式会社 | Four-way valve |
| CN101205984B (en) * | 2006-12-19 | 2011-02-16 | 日立空调·家用电器株式会社 | Four-port conversion value and air conditioner using the same |
| CN101319734B (en) * | 2007-06-04 | 2010-09-22 | 浙江三花制冷集团有限公司 | Piston link lever of four-way reversing valve |
| CN102758957A (en) * | 2011-04-29 | 2012-10-31 | 浙江三花制冷集团有限公司 | Four-way reversing valve and main valve and connecting rod component of four-way reversing valve |
| CN102758957B (en) * | 2011-04-29 | 2016-05-04 | 浙江三花制冷集团有限公司 | Four-way change-over valve and main valve thereof, link assembly |
| CN102878322A (en) * | 2012-09-26 | 2013-01-16 | 广东志高空调有限公司 | Intelligent cold and hot water thermoregulation system |
| CN108930816A (en) * | 2017-05-23 | 2018-12-04 | 浙江三花制冷集团有限公司 | A kind of reversal valve and preparation method thereof |
| CN108930816B (en) * | 2017-05-23 | 2021-04-06 | 浙江三花制冷集团有限公司 | Reversing valve and manufacturing method thereof |
| WO2019129190A1 (en) * | 2017-12-29 | 2019-07-04 | 浙江三花智能控制股份有限公司 | Electromagnetic switching valve |
| CN111442115A (en) * | 2020-03-19 | 2020-07-24 | 珠海格力电器股份有限公司 | Four-way valve and air conditioning system using same |
| CN115127249A (en) * | 2021-03-29 | 2022-09-30 | 同济大学 | Mode-adjustable pulse tube cooling and heating machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20020508 |