CN202056384U

CN202056384U - Three-way valve with electromagnetic pilot slide valve for air-conditioning water heater

Info

Publication number: CN202056384U
Application number: CN2010206699695U
Authority: CN
Inventors: 陈则韶; 陈宏文
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-12-20
Filing date: 2010-12-20
Publication date: 2011-11-30
Anticipated expiration: 2020-12-20

Abstract

The utility model discloses a three-way valve with an electromagnetic pilot slide valve for an air-conditioning water heater. The three-way valve with the electromagnetic pilot slide valve comprises a main slide valve, an electromagnetic pilot slide valve and an electromagnetic coil, wherein the electromagnetic pilot slide valve comprises a pilot valve body, a pilot valve core, a return spring and a sliding diversion cap and is provided with an air intake capillary tube, a left capillary tube, a middle capillary tube and a right capillary tube. The three-way valve with the electromagnetic pilot slide valve is characterized in that the main slide valve comprises a main valve body, two pistons, a plate-shaped piston rod, an air distribution valve block and an elastic sheet; the two pistons connected with the plate-shaped piston rod divide a cavity of the main valve body into three air chambers, namely a left air chamber, a middle air chamber and a right air chamber; the middle air chamber is provided with an air intake pipe connector and two air outlet pipe connectors connected on double orifices of a valve seat; the left capillary tube and the right capillary tube are connected with the left air chamber and the right air chamber of the main valve body; the air intake capillary tube is connected with a branch pipe of the air intake pipe connector; one end of the middle capillary tube is opened and is connected with a low pressure pipeline when a refrigerating circuit is arranged; and the position of a pilot valve core and the pressures in the left air chamber and the right air chamber of the main valve body are changed by the switch-on and the switch-off of the electromagnetic coil, so that the piston and the plate-shaped piston rod displace, an orifice of a sealing cover of the air distribution valve block is changed, and an air outlet passage is switched.

Description

A kind of air conditioner and water heater is with the three-way valve of charged magnetic guide guiding valve

Technical field

The utility model relates to the control field of valve field and air-conditioner heat pump water heater.

Background technique

In recent years because energy-conservation demand, exploitation multi-functional air conditioner water heater becomes heat subject, will be cooling and heating air conditioner from freezing and heating two kinds of endless form, change into refrigeration, heating, freezing doublely heats water, heats four kinds of circulations of water, five kinds of circulations of additional defrosting, only utilize four-way valve to switch and be difficult to finish, be badly in need of being suitable for switching the three-way valve of refrigerant circuit.The applicant has paid close attention to 10 years, and suitable three-way valve is not developed in market, has consulted the invention of 504 relevant three-way valve and the summary of utility model patent, does not also have the suitable three-way valve for the use of multi-functional air conditioner water heater.The many circulation loops of multi-functional air conditioner water heater switch at present, except that using the four-way valve combination, just adopt two two solenoid valves to replace the function of a three-way valve, and the bore of general solenoid valve can not be too big, otherwise electromagnetic coil is very big, and current sinking is big, and cost is very high.The applicant once changed system into three-way valve with four-way valve, still, needed the weldering of the no pipe joint of four-way valve deadly in transformation, and auxiliary air passage will change, and the engineering plastics slide-valve piece of four-way valve is scorched, and can not seal.Therefore, in order to satisfy the demands, must develop a kind of province's energy of the control of air-conditioner heat pump water heater, three-way valve reliable, easy for installation of being applicable to.

The model utility content

Need the three-way valve of employing to lack present situation in order to overcome cold-heat air-conditioning, water-heating device refrigerating circuit control, the utility model proposes a kind of Pneumatic two-position three-way valve of electromagnetic pilot sliding valve style, the electric energy of its electromagnetic coil consumption in switch in the loop is economized, when switching the refrigerant fluid of big flow, it is big to switch thrust, performance of handoffs is reliable, good airproof performance, and price is also cheap than solenoid valve.

For realizing above-mentioned target, the utility model adopts following technological scheme I to be:

A kind of air conditioner and water heater comprises main slide valve with the three-way valve of charged magnetic guide guiding valve, electromagnetic pilot guiding valve, electromagnetic coil; Described electromagnetic priority valve comprises guide's valve body, guide's spool, Returnning spring, slippage fair water cone; The left part of guide's valve body is the air distribution cavity section, right part is the slip hole section, three capillary tubies in external left, center, right, three holes of three hole distribution platforms of air distribution cavity section, and left and right is the distribution capillary tube, middle is the exhaust capillary tube, and the opposite side of air distribution cavity has an external air inlet capillary tube of inlet hole; The right part of guide's spool is the slippage guide pillar, and left part is the distribution valve plate of slippage fair water cone; The electromagnetic coil overcoat is on the slip hole section of pilot valve body; Distribution valve plate and platform isoplanar, three holes, slip; The inner chamber of slippage fair water cone can cover two holes of three hole platforms; When electromagnetic coil cut off the power supply, guide's spool spring that is reset was shifted left end onto, and the air inlet capillary tube of guide's valve body is communicated with right distribution capillary tube joint, and the slippage fair water cone is communicated with left distribution capillary tube with the exhaust capillary tube; When electromagnetic coil was switched on, guide's spool moved on to right-hand member under the electromagnetic force effect, and compression reseting spring, and the air inlet capillary tube of guide's valve body is communicated with left distribution capillary tube joint, and simultaneously, the slippage fair water cone is communicated with right distribution capillary tube with the exhaust capillary tube; The stroke of guide's spool is the spacing in adjacent two holes; It is characterized in that:

Described main slide valve comprises a columnar main valve body, a distributing valve piece, a shell fragment, two pistons, a plate shape piston rod; The two ends of described plate shape piston rod are connected with two pistons with mechanical method fixation, are placed in the columnar main valve body cavity; Two pistons are divided into three air chambers in left, center, right to the main valve body cavity; Left and right air chamber end is the bounce cylinder than minor diameter, and two bounce cylinders respectively have a pore to be connected with the left and right distribution capillary tube of electromagnetic pilot guiding valve; State with the main slide valve traverse is described, and the upside of air chamber is connected to a suction tude joint in main valve body, and the downside direct-axis is to being connected to two steam outlet pipe joints side by side; One end of two steam outlet pipe joints is inserted in left and right two holes of the diplopore valve seat that is welded in middle air chamber respectively; The bypass branch of suction tude is connected with the air inlet capillary tube of electromagnetic pilot guiding valve; Described distributing valve piece is made of engineering plastics, its end sealing surface is pasting the flat surface of valve seat diplopore mouth, its boss is inserted in the hole of plate shape piston rod, when piston moves to the left end position together with plate shape piston rod drive distributing valve piece, the distributing valve piece covers the left hole of valve seat, and middle air chamber has been communicated with suction tude and right steam outlet pipe; During to the right-hand member position, the distributing valve piece covers the right hole of valve seat, and suction tude is communicated with left steam outlet pipe; The displacement distance of plate shape piston rod equals the spacing at center, two holes; Shell fragment is sleeved between the shoulder plane of the plate bottom surface of plate shape piston rod and distributing valve piece, suppresses the distributing valve piece, makes the end sealing surface of distributing valve piece closely contact with the flat surface of valve seat diplopore mouth; The exhaust capillary pipe length of described electromagnetic pilot guiding valve is longer, an end opening, and when three-way valve was installed in the refrigerating circuit, exhaust opening end capillaceous connected with the low pressure line of compressor air inlet again; When electromagnetic coil cuts off the power supply, the electromagnetic pilot guiding valve is providing and delivering to the right air chamber of main slide valve from the high pressure air of main slide valve suction tude, the gas of the left air chamber of main slide valve is displaced in the low pressure line of refrigerating circuit, the distributing valve piece is in the right-hand member position, and the suction tude of main slide valve is communicated with left steam outlet pipe; When electromagnetic coil is switched on, the electromagnetic pilot guiding valve is providing and delivering to the left air chamber of main slide valve from the high pressure air of main slide valve suction tude, the gas of the right air chamber of main slide valve is displaced in the low pressure line of refrigerating circuit, the distributing valve piece is in the right-hand member position, and the suction tude of main slide valve is communicated with left steam outlet pipe.

Technological scheme II is:

A kind of air conditioner and water heater comprises main slide valve with the three-way valve of charged magnetic guide guiding valve, electromagnetic pilot guiding valve, electromagnetic coil; Described electromagnetic priority valve comprises guide's valve body, guide's spool, Returnning spring, slippage fair water cone; The left part of guide's valve body is the air distribution cavity section, right part is the slip hole section, three capillary tubies in external left, center, right, three holes of three hole distribution platforms of air distribution cavity section, left and right for the distribution capillary tube with middle be the exhaust capillary tube, the opposite side of air distribution cavity has an external air inlet capillary tube of inlet hole; The right part of guide's spool is the slippage guide pillar, and left part is the distribution valve plate of slippage fair water cone; The electromagnetic coil overcoat is on the slip hole section of pilot valve body; Distribution valve plate and platform isoplanar, three holes, slip; The inner chamber of slippage fair water cone can cover two holes of three hole platforms; When electromagnetic coil cut off the power supply, guide's spool spring that is reset was shifted left end onto, and the air inlet capillary tube of guide's valve body is communicated with right distribution capillary tube joint, and the slippage fair water cone is communicated with left distribution capillary tube with the exhaust capillary tube; When electromagnetic coil was switched on, guide's spool moved on to right-hand member under the electromagnetic force effect, and compression reseting spring, and the air inlet capillary tube of guide's valve body is communicated with left distribution capillary tube joint, and simultaneously, the slippage fair water cone is communicated with right distribution capillary tube with the exhaust capillary tube; The stroke of guide's spool is the spacing in adjacent two holes; It is characterized in that:

Described main slide valve mainly comprises a columnar main valve body, two distribution valve plugs, two pistons, a plate shape piston rod; The two ends of described plate shape piston rod are connected with two pistons with mechanical method fixation, are placed in the columnar main valve body cavity; Two pistons are divided into three air chambers in left, center, right to the main valve body cavity; Left and right air chamber end is the bounce cylinder than minor diameter, and two bounce cylinders respectively have a pore to be connected with the left and right distribution capillary tube of electromagnetic pilot guiding valve; State with the main slide valve traverse is described, and the upside of air chamber is connected to a suction tude joint in main valve body, and the downside direct-axis is to being connected to two steam outlet pipe joints side by side; The bypass branch of suction tude is connected with the air inlet capillary tube of electromagnetic pilot guiding valve; Cavity wall in the middle of middle air chamber is welded with a diplopore valve seat, and the diplopore mouth is distributed in the and arranged on left and right sides of valve seat, and in the face of right, left two-piston, left and right two apertures are welded to connect with two steam outlet pipe joints respectively by the right angle bend of valve seat inside respectively; The left and right both sides of air chamber diplopore valve seat during described two distribution valve plugs are distributed in, the back of the body supports piston, and front end is a sealing surface, and in the face of the aperture of valve seat, upper boss is inserted in the lateral opening hole of plate shape piston rod, and bottom face circular arc is pasted cavity wall; The exhaust capillary pipe length of described electromagnetic pilot guiding valve is longer, an end opening, and when three-way valve was installed in the refrigerating circuit, exhaust opening end capillaceous connected with the low pressure line of compressor air inlet again; When electromagnetic coil cuts off the power supply, the electromagnetic pilot guiding valve is providing and delivering to the right air chamber of main slide valve from the high pressure air of main slide valve suction tude, the gas of the left air chamber of main slide valve is displaced in the low pressure line of refrigerating circuit, piston drives two distribution valve plugs together with plate shape piston rod and moves to the left end position, the sealing surface of left side distribution valve plug and the left aperture emaciated face of valve seat are from contacting, the sealing surface of right distribution valve plug covers the right hole of valve seat, and the air input joint of main valve body is communicated with left steam outlet pipe joint; When electromagnetic coil is switched on, the electromagnetic pilot guiding valve is providing and delivering to the left air chamber of main slide valve from the high pressure air of main slide valve suction tude, the gas of the right air chamber of main slide valve is displaced in the low pressure line of refrigerating circuit, piston drives two distribution valve plugs together with plate shape piston rod and moves to the right-hand member position, the sealing surface of right distribution valve plug and the right aperture emaciated face of valve seat are from contacting, the sealing surface of left side distribution valve plug covers the left hole of valve seat, and the air input joint of main valve body is communicated with right steam outlet pipe joint;

Distribution valve plug in the described main slide valve, the sealing surface of its front end, or be configured as plunger and the double sealing means of shoulder platform, promptly, the spot face that the shoulder platform that inserts footpath sealing in the hole of valve seat and distribution valve plug for the short cylindrical plug that tapering is arranged foremost of distribution valve plug is pushed down valve seat seals.

Technological scheme III is:

A kind of air conditioner and water heater comprises main slide valve with the three-way valve of charged magnetic guide guiding valve, electromagnetic pilot guiding valve, electromagnetic coil; Described electromagnetic priority valve comprises guide's valve body, guide's spool, Returnning spring, slippage fair water cone; The left part of guide's valve body is the air distribution cavity section, and right part is the slip hole section, external left and right two distribution capillary tubies in three holes of three hole distribution platforms of air distribution cavity section and exhaust capillary tube, and the opposite side of air distribution cavity has an external air inlet capillary tube of inlet hole; The right part of guide's spool is the slippage guide pillar, and left part is the distribution valve plate of slippage fair water cone; The electromagnetic coil overcoat is on the slip hole section of pilot valve body; Distribution valve plate and platform isoplanar, three holes, slip; The inner chamber of slippage fair water cone can cover two holes of three hole platforms; When electromagnetic coil cut off the power supply, guide's spool spring that is reset was shifted left end onto, and the air inlet capillary tube of guide's valve body is communicated with right distribution capillary tube joint, and the slippage fair water cone is communicated with left distribution capillary tube with the exhaust capillary tube; When electromagnetic coil was switched on, guide's spool moved on to right-hand member under the electromagnetic force effect, and compression reseting spring, and the air inlet capillary tube of guide's valve body is communicated with left distribution capillary tube joint, and simultaneously, the slippage fair water cone is communicated with right distribution capillary tube with the exhaust capillary tube; The stroke of guide's spool is the spacing in adjacent two holes; It is characterized in that:

Described main slide valve mainly comprises a columnar main valve body, two distribution valve plugs, two pistons, a plate shape piston rod, two draught springs; The two ends of described plate shape piston rod are connected with two pistons with mechanical method fixation, are placed in the columnar main valve body cavity; Two pistons are divided into three air chambers in left, center, right to the main valve body cavity; Left and right air chamber end is the bounce cylinder than minor diameter, and two bounce cylinders respectively have a pore to be connected with the left and right distribution capillary tube of electromagnetic pilot guiding valve; State with the main slide valve traverse is described, and the upside of air chamber is connected to a suction tude joint in main valve body, and the downside direct-axis is to being connected to two steam outlet pipe joints side by side; The bypass branch of suction tude is connected with the air inlet capillary tube of electromagnetic pilot guiding valve; Cavity wall in the middle of middle air chamber is welded with a diplopore valve seat, and the diplopore mouth is distributed in the and arranged on left and right sides of valve seat, and in the face of right, left two-piston, left and right two apertures are welded to connect with two steam outlet pipe joints respectively by the right angle bend of valve seat inside respectively; The left and right both sides of air chamber diplopore valve seat during described two distribution valve plugs are distributed in, the back of the body supports piston, and front end is a sealing surface, and in the face of the aperture of valve seat, upper boss is inserted in the lateral opening hole of plate shape piston rod, and bottom face circular arc is pasted cavity wall; One end of described two draught springs is fixed on the short column of diplopore valve seat medial head portion jointly, and the other end is hung in the aperture of pad of piston inboard, plate shape piston rod two ends; The exhaust capillary pipe length of described electromagnetic pilot guiding valve is longer, an end opening, and when three-way valve was installed in the refrigerating circuit, exhaust opening end capillaceous connected with the low pressure line of compressor air inlet again; When electromagnetic coil cuts off the power supply, the electromagnetic pilot guiding valve is providing and delivering to the right air chamber of main slide valve from the high pressure air of main slide valve suction tude, the gas of the left air chamber of main slide valve is displaced in the low pressure line of refrigerating circuit, when piston moves to the left end position together with two distribution valve plugs of plate shape piston rod drive, the sealing surface of left side distribution valve plug and the left aperture emaciated face of valve seat are from contacting, the sealing surface of right distribution valve plug covers the right hole of valve seat, and the air input joint of main valve body is communicated with left steam outlet pipe joint; When electromagnetic coil is switched on, the electromagnetic pilot guiding valve is providing and delivering to the left air chamber of main slide valve from the high pressure air of main slide valve suction tude, the gas of the right air chamber of main slide valve is displaced in the low pressure line of refrigerating circuit, when piston moves to the right-hand member position together with two distribution valve plugs of plate shape piston rod drive, the sealing surface of right distribution valve plug and the right aperture emaciated face of valve seat are from contacting, the sealing surface of left side distribution valve plug covers the left hole of valve seat, and the air input joint of main valve body is communicated with right steam outlet pipe joint; When three-way valve also is not installed in the refrigerating circuit and refrigerating circuit when being in pressure balance, the pulling force balance of two springs, left and right distribution valve plug all disengages with the spot face of valve seat.

Distribution valve plug in the described main slide valve, the sealing surface of its front end, or be configured as the plunger seal mode, promptly, the footpath of inserting in the hole of valve seat for the short cylindrical plug that tapering is arranged foremost of distribution valve plug seals, or shoulder platform sealing means, that is, the shoulder platform of distribution valve plug is pushed down the spot face sealing of valve seat.

Innovative point of the present utility model is:

1, adopts the General layout Plan of the three-way valve of charged magnetic guide guiding valve, can be under the situation of the very little electric energy of electromagnetic coil consumption, with less electromagnetic force, by changing the control gas circuit of electromagnetic pilot guiding valve, utilize the high and low pressure source of the gas in the refrigerating circuit dexterously, make the left and right air chamber of main slide valve produce big pressure difference, act on the piston on both sides, produce big thrust, promote the displacement of piston together with plate shape piston rod and distribution valve plug, the air outlet hole of conversion shutoff is finished the switching of the big flow gas circuit of big caliber.

2, technological scheme II, adopting cylinder end face or shoulder platform toroidal surface is sealing surface, and by the method for thrust compressing on the plane in valve seat aperture of piston, has good sealability.

3, technological scheme III, adopt the mechanism of two symmetrical springs, be welded in the process of refrigerating circuit, can make left and right valve plug at the inlet, outlet pipe joint of three-way valve, all disengage, avoided the sealing surface of the valve plug of engineering plastics making to be scalded and damage accident with valve seat.

Therefore, the three-way valve of the charged magnetic guide of employing of the present utility model guiding valve, have with little control big, the switching thrust abundance of main valve, characteristics such as switching and sealability are reliable are applicable to the switching use in the gas passageway of the system circuit that the high and low pressure source of the gas is arranged, and are particularly suitable for doing in the refrigerating circuit of multifunctional air-condition heat pump water heater the switching valve use of many circulation loops, fill up field of Refrigeration and Air-conditioning and lacked reliable performance, the deficiency of Lian Jia three-way valve again.

Description of drawings

Fig. 1 is the explanation schematic representation of a kind of air conditioner and water heater of the utility model embodiment 1 with the structure and the working principle of the three-way valve of charged magnetic guide guiding valve, the distributing valve block structure that adopts the plane to move.

Fig. 2 and Fig. 3 are respectively that the embodiment's 1 of the present utility model main sectional view of main valve body structural representation of three-way valve and A are to sectional view.

Fig. 4, Fig. 5, Fig. 6 and Fig. 7 are respectively worm's eye view, front view, plan view and the A-A sectional views of the distributing valve block structure schematic representation of embodiment's 1 three-way valve of the present utility model.

Fig. 8, Fig. 9 and Figure 10 are respectively main sectional view, plan view and the left sectional views of structural representation of the plate shape piston rod of embodiment's 1 three-way valve of the present utility model.

Figure 11 is the explanation schematic representation of a kind of air conditioner and water heater of the utility model embodiment 2 with the structure and the working principle of the three-way valve of charged magnetic guide guiding valve, adopts the distributing valve plug structure.

Figure 12 is the explanation schematic representation of a kind of air conditioner and water heater of the utility model embodiment 3 with the structure and the working principle of the three-way valve of charged magnetic guide guiding valve, adopts the distributing valve plug structure, is furnished with two draught springs.

Figure 13 and Figure 14 are respectively that embodiment's 2, the 3 of the present utility model main sectional view of main valve body structural representation of three-way valve and A are to sectional view.

Figure 15, Figure 16 and Figure 17 are respectively left view, main sectional view and the right elevations of structural representation of the distribution valve plug of embodiment's 2,3 three-way valve of the present utility model.

Figure 18, Figure 19 and Figure 20 are respectively main sectional view, plan view and the left sectional views of structural representation of the plate shape piston rod of embodiment's 2,3 three-way valve of the present utility model.

Specific embodiment:

Further describe structure and the working principle of a kind of air conditioner and water heater of the present utility model below in conjunction with accompanying drawing by embodiment with the three-way valve of charged magnetic guide guiding valve.But the utility model content is not limited only to shown in the accompanying drawing.

A kind of air conditioner and water heater of embodiment 1 is with the structure and the working principle of the three-way valve of charged magnetic guide guiding valve, respectively by Fig. 1, and Fig. 2-3, Fig. 4-7 and Fig. 8-10 illustrated together, the distributing valve block structure that embodiment 1 adopts the plane to move.

As shown in Figure 1, a kind of air conditioner and water heater of embodiment 1 is with the three-way valve of charged magnetic guide guiding valve, comprise in the frame of broken lines A shown in main slide valve and frame of broken lines B in shown in electromagnetic pilot guiding valve and electromagnetic coil 16; Described electromagnetic pilot guiding valve comprises guide's valve body 12, guide's spool 14, Returnning spring 15, slippage fair water cone 13; The left part of described guide's valve body is the air distribution cavity section, and right part is the slip hole section, and external four capillary tubies of air distribution cavity section are air inlet capillary tube L1 last, under three capillary tubies, left and right be distribution capillary tube L2, L3, middle be exhaust capillary tube L4; The inwall of air distribution cavity is close to three capillary tube places and is welded with one three hole platform, three hole axially-aligned of platform, and be communicated with three capillary tubies welding of outside; The right part of guide's spool is the guide rail section in band circular hole hole, and dress Returnning spring 15 is inserted in the slip hole of guide's valve body in the circular hole hole; The left part of guide's spool is the pneumatic pannel section, pneumatic pannel and platform isoplanar, three holes, slip, dig porose placement slippage fair water cone on the pneumatic pannel, the slippage fair water cone is the little cylindrical cap of an end closure of teflon system, the cylindrical cap diameter can cover two holes, and slightly larger in diameter is in the yardstick of two hole pitch and an aperture sum; The end face of guide's spool has dug a groove, communicate with inlet hole, in pneumatic pannel and guide rail jointing place to duck eye of the vertical brill in plane; Electromagnetic coil is enclosed within the slip hole section of guide's valve body; When electromagnetic coil cut off the power supply, guide's spool was compressed spring and shifts left end onto, and the air inlet capillary tube L1 of guide's valve body is communicated with right distribution capillary tube L3, and the slippage fair water cone is communicated with a left side, middle capillary tube L2, L4; During the electromagnetic coil energising, guide's spool moves to the right-hand member of pressure spring, and the air inlet capillary tube L1 of guide's valve body is communicated with left distribution capillary tube L2, and the slippage fair water cone is communicated with the right side, middle capillary tube L3, L4; The stroke of guide's spool is the spacing in adjacent two holes;

Described main slide valve comprises a columnar main valve body 1, two

piston

2a, 2b, the shell fragment 6 of 4, one compressing distributing valves of 3, one distributing valve pieces of plate shape piston rod piece; Be welded with the pipe joint of three mainstream gas at the main valve body outer tube wall, one is suction tude joint 10, and two other is left and right steam

outlet pipe joint

11a, 11b; The two ends of described plate shape piston rod are connected with two pistons with mechanical method fixation, are placed in the columnar main valve body cavity; Referring to Fig. 8, Fig. 9 and Figure 10, in the middle of the plate shape piston rod hole 3z is arranged, be used for the boss of equipped distributing valve piece; Two pistons are divided into three air chambers to the main valve body cavity: the end of left and right air chamber is the bounce cylinder than minor diameter, and two bounce cylinders respectively have a pore to be connected with left and right distribution capillary tube L2, the L3 of electromagnetic priority valve respectively; Middle air chamber is a mainstream gas path air chamber, adherent valve seat 5 that is welded with a diplopore in the middle of it, and the diplopore mouth is seen Fig. 2, Fig. 3 at valve seat identical platform face; The end of two steam

outlet pipe joint

11a, 11b is inserted in respectively in the left and right hole of valve seat 5, and is welded on the valve seat; Air input joint 10 is welded on the middle barrel of main valve body on valve seat platform opposite; Described distributing valve piece such as Fig. 4, Fig. 5, Fig. 6 and shown in Figure 7, its Lower Half is square or rectangular sealing platform, sealing platform bottom plane is a sealing surface, cooperates bottom plane or be carved with as the A-A sectional drawing of Fig. 7 and the sealing duct shown in Fig. 4 worm's eye view with the flat surface of valve seat; The distributing valve piece in the length of movement direction greater than bore dia, the spacing that is less than or equal to center, two holes, the length of getting the spacing that equals center, two holes is for well, its width is greater than 1.5 times of a bore dia of valve seat, the height that the sealing podium level of distributing valve piece adds upper valve base adds the height of shell fragment in the work compressive state, equals the distance of the plate bottom surface of plate shape piston rod to the main valve body lumen wall of the bottom surface of valve seat; Boss of first half design of distributing valve piece, boss inserts the middle hole of plate shape piston rod, make the distributing valve piece can follow the same moved further of trap shape piston rod, the surrounding edge of the sealing platform of distributing valve piece and the interface of boss is the shoulder plane of distributing valve piece, is used to place shell fragment 6; The configuration of described plate shape piston rod 3 is seen Fig. 8, Fig. 9 and Figure 10, plate shape piston rod is the steel plate impact briquetting, both sides fold bending resistance stiffening rib upwards, three holes are arranged on the plate face, middle hole 3z is the boss of plate shape piston rod suit distributing valve piece, hole 3a, the 3b at left and right two ends is vent, and plate shape piston rod two end plates center line is determined seam and removed back bending up and down respectively, respectively has one screw hole is arranged on upper and lower bending side 3c, the 3d; Described piston is made of teflon, disc, and the disk of clamping piston with two

pads

7,8 also is fixed on the bending plate of plate shape piston rod end, referring to Fig. 1 with screw 9; The displacement distance of plate shape piston rod equals the spacing at center, two holes; The boss of the shell fragment 6 cover distributing valve pieces 4 of compressing distributing valve piece suppresses between the plate bottom surface of the shoulder plane of periphery and plate shape piston rod, suppresses the distributing valve piece and closely contacts with valve seat planes; When piston moved to the left end position together with plate shape piston rod, the distributing valve piece covered the left hole of valve seat, and the air input joint 10 of main valve body is communicated with right steam outlet pipe joint 11b; When piston moved to the right-hand member position together with plate shape piston rod, the distributing valve piece covered the right hole of valve seat, and the air input joint 10 of main valve body is communicated with left steam outlet pipe joint 11a; The high pressure admission capillary tube L1 of described electromagnetic priority valve is connected on the bypass branch road with the main valve body suction tude; The length of the exhaust capillary tube L4 of described electromagnetic pilot guiding valve is longer, an end opening, and when three-way valve was installed in the refrigerating circuit, exhaust opening end capillaceous connected with the low pressure line of compressor air inlet again; When electromagnetic coil cuts off the power supply, the electromagnetic pilot guiding valve is providing and delivering to the right air chamber of main slide valve from the high pressure air of main slide valve suction tude, the gas of the left air chamber of main slide valve is displaced in the low pressure line of refrigerating circuit, the distributing valve piece is in the left end position, and the suction tude of main slide valve is communicated with right steam outlet pipe; When electromagnetic coil is switched on, the electromagnetic pilot guiding valve is providing and delivering to the left air chamber of main slide valve from the high pressure air of main slide valve suction tude, the gas of the right air chamber of main slide valve is displaced in the low pressure line of refrigerating circuit, the distributing valve piece is in the right-hand member position, and the suction tude of main slide valve is communicated with left steam outlet pipe.

A kind of air conditioner and water heater of embodiment 2 is with the structure and the working principle of the three-way valve of charged magnetic guide guiding valve, and respectively by Figure 11, Figure 13-14, Figure 15-18 and Figure 18-20 illustrated together, embodiment 2 adopts the distributing valve plug structure.

As shown in figure 11, a kind of air conditioner and water heater of embodiment 2 is with the three-way valve of charged magnetic guide guiding valve, comprise in the frame of broken lines A shown in main slide valve and frame of broken lines B in shown in electromagnetic pilot guiding valve and electromagnetic coil 16; The structure of electromagnetic pilot guiding valve and working principle be identical with embodiment 1 fully.

Described embodiment's 2 main slide valve mainly comprises a columnar main valve body 1, two

piston

2a, 2b, two distribution valve plug 4a, 4b, and a plate shape piston rod 3 is seen Figure 11; The two ends of described plate shape piston rod are connected with two pistons with mechanical method fixation, are placed in the columnar main valve body cavity; Two pistons are divided into three air chambers in left, center, right to the main valve body cavity; Left and right air chamber end is the bounce cylinder than minor diameter, and two bounce cylinders respectively have a pore to be connected with the left and right distribution capillary tube of electromagnetic pilot guiding valve; State with the main slide valve traverse is described, and the upside of air chamber is connected to a suction tude joint 10 in main valve body, and the downside direct-axis is to being connected to two steam

outlet pipe joint

11a, 11b side by side; The bypass branch of suction tude is connected with the air inlet capillary tube L1 of electromagnetic pilot guiding valve; Cavity wall in the middle of middle air chamber is welded with a diplopore valve seat 4, the diplopore mouth is distributed in the and arranged on left and right sides of valve seat, in the face of right, left two-piston, left and right two apertures are welded to connect with two steam

outlet pipe joint

11a, 11b respectively by the right angle bend of valve seat inside respectively; The left and right both sides of air chamber diplopore valve seat during described two distribution valve plugs are distributed in, the back of the body supports piston, and front end is a sealing surface, in the face of the aperture of valve seat, upper boss is inserted in the lateral opening hole of plate shape piston rod, bottom face circular arc, paste cavity wall, referring to Figure 15, Figure 16 and Figure 17; Described plate shape piston rod 3 is the steel plate impact briquetting, and referring to Figure 18-20, both sides fold bending resistance stiffening rib upwards, three holes are arranged on the plate face, hole 3a, the 3b at left and right two ends is used for the short cylindrical head of suit distribution valve plug, and middle hole 3z is an airflow hole, is used to reduce gas-flow resistance; Referring to Figure 18 and Figure 20, plate shape piston rod two end plates center line is determined bending up and down respectively behind the slit, respectively has one on bending side 3c and the 3d screw hole is arranged; Described piston is made of teflon, and disc is clamped the disk of piston and used screw 9 fixing with two

pads

7,8;

The exhaust capillary tube L4 length of described electromagnetic pilot guiding valve is longer, an end opening, and when three-way valve was installed in the refrigerating circuit, exhaust opening end capillaceous connected with the low pressure line of compressor air inlet again; When electromagnetic coil cuts off the power supply, the electromagnetic pilot guiding valve is provided and delivered high pressure air to the right air chamber of main slide valve, the gas of the left air chamber of main slide valve is displaced in the low pressure line of refrigerating circuit, piston drives two distribution valve plugs together with plate shape piston rod and moves to the left end position, the sealing surface of left side distribution valve plug and the left aperture emaciated face of valve seat are from contacting, the sealing surface of right distribution valve plug covers the right hole of valve seat, and the air input joint of main valve body is communicated with left steam outlet pipe joint, referring to Figure 11; The distribution valve plug adopts engineering plastics to make; When electromagnetic coil is switched on, the electromagnetic pilot guiding valve is provided and delivered high pressure air to the left air chamber of main slide valve, the gas of the right air chamber of main slide valve is displaced in the low pressure line of refrigerating circuit, piston drives two distribution valve plugs together with plate shape piston rod and moves to the right-hand member position, the sealing surface of right distribution valve plug and the right aperture emaciated face of valve seat are from contacting, the sealing surface of left side distribution valve plug covers the left hole of valve seat, and the air input joint of main valve body is communicated with right steam outlet pipe joint;

Described distribution valve plug, the sealing surface of its front end, or be configured as plunger and the double sealing means of shoulder platform, promptly, the distribution valve plug foremost for the short cylindrical plug of tapering is arranged, the spot face that the shoulder platform that inserts footpath face seal in the hole of valve seat and distribution valve plug is pushed down valve seat seals.

A kind of air conditioner and water heater of embodiment 3 is with the structure and the working principle of the three-way valve of charged magnetic guide guiding valve, and respectively by Figure 12, Figure 13-14, Figure 15-17 and Figure 18-20 illustrated together, embodiment 3 adopts the distributing valve plug structure.

As shown in figure 12, a kind of air conditioner and water heater of embodiment 3 is with the three-way valve of charged magnetic guide guiding valve, comprise in the frame of broken lines A shown in main slide valve and frame of broken lines B in shown in electromagnetic pilot guiding valve and electromagnetic coil 16; The structure of electromagnetic pilot guiding valve and working principle be identical with embodiment 1 fully.

Described embodiment's 3 main slide valve mainly comprises a columnar main valve body 1, two

piston

2a, 2b, two distribution valve plug 4a, 4b, and a plate shape piston rod 3, two draught spring 19a, 19b see Figure 12; The two ends of described plate shape piston rod are connected with two pistons with mechanical method fixation, are placed in the columnar main valve body cavity; Two pistons are divided into three air chambers in left, center, right to the main valve body cavity; Left and right air chamber end is the bounce cylinder than minor diameter, and two bounce cylinders respectively have a pore to be connected with the left and right distribution capillary tube of electromagnetic pilot guiding valve; Described valve body 1, two

piston

2a, 2b are identical with embodiment 2; Two distribution valve plug 4a, 4b adopt plunger and the double sealing means of shoulder platform, that is, the spot face that the shoulder platform that inserts footpath sealing in the hole of valve seat and distribution valve plug for the short cylindrical plug that tapering is arranged foremost of distribution valve plug is pushed down valve seat seals; Described plate shape piston rod 3 distinctive points are: the centre above the described diplopore valve seat, and the head of a short column of installation, an end of two draught springs is fixed on the short column of diplopore valve seat medial head portion jointly; Described plate shape piston rod 3 is the steel plate impact briquetting, both sides fold bending resistance stiffening rib upwards, three holes are arranged on the plate face, the hole at left and right two ends is used for the short cylindrical head of suit distribution valve plug, middle hole is both as airflow hole, avoid running into the hole of intermediolateral column of the extension spring of valve seat end face when moving as plate shape piston rod again, referring to Figure 18 and Figure 20; 3/4 place, top of the pad 7a of two piston inboards and 7b bends inwards, and bores an aperture; Two draught springs are placed on the intermediolateral column both sides of valve seat respectively, and an end hangs on the intermediolateral column of valve seat end face, and the other end is hung in the aperture of pad of inboard, plate shape piston rod two ends, referring to Figure 12; Distribution valve plug in the described main slide valve, the sealing surface of its front end, or be configured as plunger and the double sealing means of shoulder platform, promptly, the spot face that the shoulder platform that inserts footpath sealing in the hole of valve seat and distribution valve plug for the short cylindrical plug that tapering is arranged foremost of distribution valve plug is pushed down valve seat seals.Its working condition is identical with embodiment 2, just, when three-way valve also is not installed in the refrigerating circuit and refrigerating circuit when being in pressure balance, the pulling force balance of two springs, left and right distribution valve plug all disengages with the spot face of valve seat, like this, and in the welding process that three-way valve is installed, can avoid because the high temperature heat transfer of weld, causes the scald accident of sealing surface of the valve plug of contact to valve seat.

Claims

1. an air conditioner and water heater comprises main slide valve, electromagnetic pilot guiding valve, electromagnetic coil with the three-way valve of charged magnetic guide guiding valve; Described electromagnetic priority valve comprises guide's valve body, guide's spool, Returnning spring, slippage fair water cone; The left part of guide's valve body is the air distribution cavity section, right part is the slip hole section, three capillary tubies in external left, center, right, three holes of three hole distribution platforms of air distribution cavity section, and left and right is the distribution capillary tube, middle is the exhaust capillary tube, and the opposite side of air distribution cavity has an external air inlet capillary tube of inlet hole; The right part of guide's spool is the slippage guide pillar, and left part is the distribution valve plate of slippage fair water cone; The electromagnetic coil overcoat is on the slip hole section of pilot valve body; Distribution valve plate and platform isoplanar, three holes, slip; The inner chamber of slippage fair water cone can cover two holes of three hole platforms; When electromagnetic coil cut off the power supply, guide's spool spring that is reset was shifted left end onto, and the air inlet capillary tube of guide's valve body is communicated with right distribution capillary tube joint, and the slippage fair water cone is communicated with left distribution capillary tube with the exhaust capillary tube; When electromagnetic coil was switched on, guide's spool moved on to right-hand member under the electromagnetic force effect, and compression reseting spring, and the air inlet capillary tube of guide's valve body is communicated with left distribution capillary tube joint, and simultaneously, the slippage fair water cone is communicated with right distribution capillary tube with the exhaust capillary tube; The stroke of guide's spool is the spacing in adjacent two holes; It is characterized in that:

Described main slide valve comprises a columnar main valve body, a distributing valve piece, a shell fragment, two pistons, a plate shape piston rod; The two ends of described plate shape piston rod are connected with two pistons with mechanical method fixation, are placed in the columnar main valve body cavity; Two pistons are divided into three air chambers in left, center, right to the main valve body cavity; Left and right air chamber end is the bounce cylinder than minor diameter, and two bounce cylinders respectively have a pore to be connected with the left and right distribution capillary tube of electromagnetic pilot guiding valve; State with the main slide valve traverse is described, and the upside of air chamber is connected to a suction tude joint in main valve body, and the downside direct-axis is to being connected to two steam outlet pipe joints side by side; One end of two steam outlet pipe joints is inserted in left and right two holes of the diplopore valve seat that is welded in middle air chamber respectively; The bypass branch of suction tude is connected with the air inlet capillary tube of electromagnetic pilot guiding valve; Described distributing valve piece is made of engineering plastics, its end sealing surface is pasting the flat surface of valve seat diplopore mouth, its boss is inserted in the hole of plate shape piston rod, when piston moves to the left end position together with plate shape piston rod drive distributing valve piece, the distributing valve piece covers the left hole of valve seat, and suction tude is communicated with right steam outlet pipe; During to the right-hand member position, the distributing valve piece covers the right hole of valve seat, and suction tude is communicated with left steam outlet pipe; The displacement distance of plate shape piston rod equals the spacing at center, two holes; Shell fragment is sleeved between the shoulder plane of the plate bottom surface of plate shape piston rod and distributing valve piece, suppresses the distributing valve piece, makes the end sealing surface of distributing valve piece closely contact with the flat surface of valve seat diplopore mouth; The exhaust capillary pipe length of described electromagnetic pilot guiding valve is longer, an end opening, and when three-way valve was installed in the refrigerating circuit, exhaust opening end capillaceous connected with the low pressure line of compressor air inlet again; When electromagnetic coil cut off the power supply, the electromagnetic pilot guiding valve was provided and delivered high pressure air to the right air chamber of main slide valve, the gas of the left air chamber of main slide valve was displaced in the low pressure line of refrigerating circuit, and the distributing valve piece is in the right-hand member position, and the suction tude of main slide valve is communicated with left steam outlet pipe; When electromagnetic coil was switched on, the electromagnetic pilot guiding valve was provided and delivered high pressure air to the left air chamber of main slide valve, the gas of the right air chamber of main slide valve was displaced in the low pressure line of refrigerating circuit, and the distributing valve piece is in the right-hand member position, and the suction tude of main slide valve is communicated with left steam outlet pipe.

2. an air conditioner and water heater comprises main slide valve, electromagnetic pilot guiding valve, electromagnetic coil with the three-way valve of charged magnetic guide guiding valve; Described electromagnetic priority valve comprises guide's valve body, guide's spool, Returnning spring, slippage fair water cone; The left part of guide's valve body is the air distribution cavity section, right part is the slip hole section, three capillary tubies in external left, center, right, three holes of three hole distribution platforms of air distribution cavity section, and left and right is the distribution capillary tube, middle is the exhaust capillary tube, and the opposite side of air distribution cavity has an external air inlet capillary tube of inlet hole; The right part of guide's spool is the slippage guide pillar, and left part is the distribution valve plate of slippage fair water cone; The electromagnetic coil overcoat is on the slip hole section of pilot valve body; Distribution valve plate and platform isoplanar, three holes, slip; The inner chamber of slippage fair water cone can cover two holes of three hole platforms; When electromagnetic coil cut off the power supply, guide's spool spring that is reset was shifted left end onto, and the air inlet capillary tube of guide's valve body is communicated with right distribution capillary tube joint, and the slippage fair water cone is communicated with left distribution capillary tube with the exhaust capillary tube; When electromagnetic coil was switched on, guide's spool moved on to right-hand member under the electromagnetic force effect, and compression reseting spring, and the air inlet capillary tube of guide's valve body is communicated with left distribution capillary tube joint, and simultaneously, the slippage fair water cone is communicated with right distribution capillary tube with the exhaust capillary tube; The stroke of guide's spool is the spacing in adjacent two holes; It is characterized in that:

Described main slide valve mainly comprises a columnar main valve body, two distribution valve plugs, two pistons, a plate shape piston rod; The two ends of described plate shape piston rod are connected with two pistons with mechanical method fixation, are placed in the columnar main valve body cavity; Two pistons are divided into three air chambers in left, center, right to the main valve body cavity; Left and right air chamber end is the bounce cylinder than minor diameter, and two bounce cylinders respectively have a pore to be connected with the left and right distribution capillary tube of electromagnetic pilot guiding valve; State with the main slide valve traverse is described, and the upside of air chamber is connected to a suction tude joint in main valve body, and the downside direct-axis is to being connected to two steam outlet pipe joints side by side; The bypass branch of suction tude is connected with the air inlet capillary tube of electromagnetic pilot guiding valve; Cavity wall in the middle of middle air chamber is welded with a diplopore valve seat, and the diplopore mouth is distributed in the and arranged on left and right sides of valve seat, and in the face of right, left two-piston, left and right two apertures are welded to connect with two steam outlet pipe joints respectively by the right angle bend of valve seat inside respectively; The left and right both sides of air chamber diplopore valve seat during described two distribution valve plugs are distributed in, the back of the body supports piston, and front end is a sealing surface, and in the face of the aperture of valve seat, upper boss is inserted in the lateral opening hole of plate shape piston rod, and bottom face circular arc is pasted cavity wall; The exhaust capillary pipe length of described electromagnetic pilot guiding valve is longer, an end opening, and when three-way valve was installed in the refrigerating circuit, exhaust opening end capillaceous connected with the low pressure line of compressor air inlet again; When electromagnetic coil cuts off the power supply, the electromagnetic pilot guiding valve is provided and delivered high pressure air to the right air chamber of main slide valve, the gas of the left air chamber of main slide valve is displaced in the low pressure line of refrigerating circuit, piston drives two distribution valve plugs together with plate shape piston rod and moves to the left end position, the sealing surface of left side distribution valve plug and the left aperture emaciated face of valve seat are from contacting, the sealing surface of right distribution valve plug covers the right hole of valve seat, and the air input joint of main valve body is communicated with left steam outlet pipe joint; When electromagnetic coil is switched on, the electromagnetic pilot guiding valve is provided and delivered high pressure air to the left air chamber of main slide valve, the gas of the right air chamber of main slide valve is displaced in the low pressure line of refrigerating circuit, piston drives two distribution valve plugs together with plate shape piston rod and moves to the right-hand member position, the sealing surface of right distribution valve plug and the right aperture emaciated face of valve seat are from contacting, the sealing surface of left side distribution valve plug covers the left hole of valve seat, and the air input joint of main valve body is communicated with right steam outlet pipe joint.

3. an air conditioner and water heater comprises main slide valve, electromagnetic pilot guiding valve, electromagnetic coil with the three-way valve of charged magnetic guide guiding valve; Described electromagnetic priority valve comprises guide's valve body, guide's spool, Returnning spring, slippage fair water cone; The left part of guide's valve body is the air distribution cavity section, right part is the slip hole section, three capillary tubies in external left, center, right, three holes of three hole distribution platforms of air distribution cavity section, and left and right is the distribution capillary tube, middle is the exhaust capillary tube, and the opposite side of air distribution cavity has an external air inlet capillary tube of inlet hole; The right part of guide's spool is the slippage guide pillar, and left part is the distribution valve plate of slippage fair water cone; The electromagnetic coil overcoat is on the slip hole section of pilot valve body; Distribution valve plate and platform isoplanar, three holes, slip; The inner chamber of slippage fair water cone can cover two holes of three hole platforms; When electromagnetic coil cut off the power supply, guide's spool spring that is reset was shifted left end onto, and the air inlet capillary tube of guide's valve body is communicated with right distribution capillary tube joint, and the slippage fair water cone is communicated with left distribution capillary tube with the exhaust capillary tube; When electromagnetic coil was switched on, guide's spool moved on to right-hand member under the electromagnetic force effect, and compression reseting spring, and the air inlet capillary tube of guide's valve body is communicated with left distribution capillary tube joint, and simultaneously, the slippage fair water cone is communicated with right distribution capillary tube with the exhaust capillary tube; The stroke of guide's spool is the spacing in adjacent two holes; It is characterized in that:

4. as claim 2 or the described a kind of air conditioner and water heater of claim 3 three-way valve with charged magnetic guide guiding valve, it is characterized in that, distribution valve plug in the described main slide valve, the sealing surface of its front end, or be configured as the plunger seal mode, promptly, the footpath of inserting in the hole of valve seat for the short cylindrical plug that tapering is arranged foremost of distribution valve plug seals, or shoulder platform sealing means, that is, the shoulder platform of distribution valve plug is pushed down the spot face sealing of valve seat.