A kind of electromagnetic pilot-operated triple valve and air-conditioning systemTechnical field
The present invention relates to a kind of electromagnetic pilot-operated triple valve and air-conditioning systems.
Background technique
Existing air-conditioning system includes flow channel switching valve, and the flow channel switching valve is equipped with motor, reduction gearing and sliding block,The rotation of motor driven reduction gearing, reduction gearing band movable slider rotate, to switch the opening and closing shape of different valve ports on flow channel switching valveState, wherein sliding block makes corresponding change with the variation of valve port diameter on flow channel switching valve.Valve port increases on flow channel switching valveIn the case where big, the active force of driving sliding block sealing valve port will be will increase, it means that between sliding block and flow channel switching valveFrictional force will will increase, and motor is also required to enhance accordingly by reduction gearing with the active force that movable slider rotates.Thus, it is existingFlow channel switching valve have the shortcomings that poor universality, structure is complicated.
Summary of the invention
Problem to be solved by this invention is just to provide a kind of electromagnetic pilot-operated triple valve and air-conditioning system, improves generalProperty, simplify structure.
To solve the above problems, the present invention adopts the following technical scheme:
A kind of electromagnetic pilot-operated triple valve, main valve and pilot valve, the main valve include main valve body, piston, bracket, sliding block andMain valve body inner space is divided into First pressure chamber and second pressure chamber by the first elastic element, the piston, the sliding block withIt being connected between piston by bracket, the position that the main valve body corresponds to second pressure chamber is connected with A adapter tube, B adapter tube and C adapter tube,A capillary, b capillary and c capillary are connected on the pilot valve, and the pilot valve is for controlling b capillary connection a capillaryPipe or c capillary, the b capillary are connected to First pressure chamber, and the c capillary connection C adapter tube is connected to c in b capillaryUnder capillary state, the first elastic element drives piston mobile to First pressure chamber, so that A adapter tube is connected to B adapter tube, at b maosTubule is connected under a capillary state, the high pressure gas being passed through in a capillary, for driving piston mobile to second pressure chamber, withIt is connected to A adapter tube with C adapter tube.
In the present invention, connected between sliding block and piston by bracket, in the case where b capillary is connected to c capillary state, the first bulletProperty element drive piston mobile to First pressure chamber, sliding block is mobile to first pressure cavity direction with piston, in the process,As long as the elastic potential energy of the first elastic element is sufficiently large, piston can overcome the friction force between main valve body, thus bandMovable slider is mobile.Similarly, in the case where b capillary is connected to a capillary state, the high pressure gas being passed through in a capillary, high pressure gas is drivenPiston is mobile to second pressure chamber, and sliding block is mobile to second pressure cavity direction with piston, in the process, as long as high pressureThe pressure value of gas is sufficiently large, and piston can overcome the friction force between main valve body, thus mobile with movable slider.This is justIt is meant that no matter A takes over, B takes over and the change of either more generation pipe diameter sizes in C adapter tube, as long as a capillaryInside it is passed through that high-pressure gas pressure value is sufficiently large and the elastic potential energy of the first elastic element release is sufficiently large, sliding block can be with pistonIt is mobile.It is designed in this way, electromagnetic pilot-operated triple valve is suitable for the A adapter tube, B adapter tube and C adapter tube of different tube diameters in the present invention.
Further, since the first elastic element drives piston mobile to First pressure chamber, thus, second pressure is intracavitary without logicalEnter high pressure gas.It is designed in this way, simplifies the connection structure between main valve and pilot valve, reduce electromagnetic pilot-operated triple valveManufacturing cost.
Further, the main valve further includes that the intracavitary valve component of second pressure is arranged in, first elastic elementIt is clamped between piston and valve component.It is designed in this way, the releasable elastic potential energy of elastic element, drives piston to First pressure chamberIt is mobile.
Further, the valve component includes valve seat and the bracket that connect with valve seat, first elastic element one endIt offsets with piston, the first elastic element other end offsets with valve seat and bracket respectively.It is designed in this way, the first elastic elementElastic potential energy stepless action is discharged in the bottom of bowl side of piston, the run-off the straight in moving process to avoid piston.
Further, the second elastic element is clamped between the sliding block and bracket, the sliding block is in the second elastic elementIt is bonded with bracket moving under promotion and with valve seat.Second elastic element is for applying the power that sliding block acts on valve seat.
Further, the bracket is equipped with notch.Notch is for increasing the refrigeration that second pressure chamber is located at bracket two sidesAgent circulation.
Further, the bracket connect back wall with valve seat and circularizes channel, and it is logical that the bracket and sliding block may pass through annularRoad.Circular passage avoids sliding block from rotating in the intracavitary moving process of second pressure.
Further, the bracket is equipped with stomata.Stomata is for increasing the refrigeration that second pressure chamber is located at bracket both endsAgent circulation.
A kind of air-conditioning system, including compressor, four-way reversing valve, indoor heat exchanger, restricting element, outdoor heat exchanger and streamRoad switching valve, the indoor heat exchanger and flow channel switching valve are communicated with compressor by four-way reversing valve respectively, and the interior is changedIt is connected between hot device and outdoor heat exchanger by restricting element, the flow channel switching valve is connected to outdoor heat exchanger, the flow pathSwitching valve is electromagnetic pilot-operated triple valve described in any of the above-described technical solution.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of air-conditioning system in the preferred embodiment of the present invention one (under defrosting state)；
Fig. 2 is the structural schematic diagram of air-conditioning system in the preferred embodiment of the present invention one (under non-defrosting state)；
Fig. 3 is the perspective view of electromagnetic pilot-operated triple valve in the preferred embodiment of the present invention one；
Fig. 4 is the first cross-sectional view of electromagnetic pilot-operated triple valve in the preferred embodiment of the present invention one；
Fig. 5 is the second cross-sectional view of electromagnetic pilot-operated triple valve in the preferred embodiment of the present invention one；
Fig. 6 is the part explosive view of electromagnetic pilot-operated triple valve in the preferred embodiment of the present invention one；
Fig. 7 is the cross-sectional view of pilot valve in the preferred embodiment of the present invention one.
Specific embodiment
The technical solution of the embodiment of the present invention is explained and illustrated below with reference to the attached drawing of the embodiment of the present invention, but underIt states embodiment to be merely a preferred embodiment of the present invention, and not all.Based on the implementation example in the implementation mode, those skilled in the artObtained other embodiments without making creative work, belong to protection scope of the present invention.
Embodiment one
Referring to Fig.1, a kind of air-conditioning system, including compressor 3, four-way reversing valve 4, indoor heat exchanger 5, restricting element 6, roomExternal heat exchanger 7 and flow channel switching valve, compressor 3 include A1 interface, A2 interface, A3 interface and A4 interface, and four-way reversing valve 4 includesC interface, D interface, E interface and S interface, indoor heat exchanger 5 include B1 interface and B2 interface, and outdoor heat exchanger 7 includes C1 interfaceWith C2 interface, the flow channel switching valve is electromagnetic pilot-operated triple valve, and electromagnetic pilot-operated triple valve includes main valve 1 and pilot valve 2,Main valve 1 includes main valve body 11 and piston 12, and 11 inner space of main valve body is divided into First pressure chamber 111 and the second pressure by piston 12The position of power chamber 112, the corresponding second pressure chamber 112 of main valve body 11 is connected with A adapter tube 10, B adapter tube 20 and C adapter tube 30, pilot valve 2On be connected with a capillary 40, b capillary 50 and c capillary 60.Wherein, the A1 interface of compressor 3 and the D of four-way reversing valve 4 connectMouthful and a capillary 40 be connected to, the A3 interface of the A2 interface of compressor 3 and compressor 3 respectively with the S interface of four-way reversing valve 4Connection, the B1 interface of indoor heat exchanger 5 are connected to the E interface of four-way reversing valve 4, and B2 interface and the outdoor of indoor heat exchanger 5 are changedBe connected between the C1 interface of hot device 7 by restricting element 6, the C2 interface of outdoor heat exchanger 7 is connected to A adapter tube 10, B adapter tube 20 andThe C interface of four-way reversing valve 4 is connected to, and C adapter tube 30 is connected to the A4 interface of compressor 3 and c capillary 60 respectively, b capillary50 are connected to First pressure chamber 111.
Referring to Fig. 3, Fig. 4 and Fig. 6, main valve 1 further includes bracket 13, sliding block 14, the first elastic element 15,16 and of valve componentScrew 18, piston 12 are equipped with the through-hole 121 being axially arranged, and bracket 13 is equipped with threaded hole 132, screw 18 close to 12 side of pistonIt is threadedly coupled across through-hole 121 with threaded hole 132, to realize that bracket 13 is fixed on the bottom of bowl side of piston 12；Sliding block 14 prolongs upwardsStretching has protrusion 141, and bracket 13 is equipped with the mounting hole 131 with 141 cooperation of protrusion, 141 insertion installation of protrusion far from 12 side of pistonIt can be axially moved in hole 131 and along mounting hole 131, be clamped with the second elastic element 17 between bracket 13 and sliding block 14, described theTwo elastic elements 17 are spring leaf, and the second elastic element 17 is equipped with the avoid holes 171 with 141 cooperation of protrusion, and protrusion 141 passes throughAvoid holes 171 are inserted into mounting hole 131；First elastic element 15 is helical spring, and the first 15 sets of elastic element is in bracketOn 13；Valve component 16 includes valve seat 161 and the bracket 162 connecting with valve seat 161, is provided with 1611 He of C interface on valve seat 161B interface 1612 is connected between B adapter tube 20 and second pressure chamber 112 by B interface 1612 when B adapter tube 20 is connect with main valve body 11It is logical, when C adapter tube 30 is connect with main valve body 11, it is connected between C adapter tube 30 and second pressure chamber 112 by C interface 1611, bracketThe setting of 162 lower ends is jagged, and for the present invention for ease of description, referred to as lower notch 1621, valve seat 161 is inserted into lower notch 1621It is interior, to realize that bracket 162 is connect with valve seat 161；Sliding block 14 is located at 161 top of valve seat, and the second elastic element 17 discharges elastic potentialCan so that sliding block 14 is bonded valve seat 161, when piston 12 to First pressure chamber 111 mobile, the salable C interface 1611 of sliding block 14, whenPiston 12 is mobile to second pressure chamber 112, the salable B interface 1612 of sliding block 14.
Referring to Fig. 7, pilot valve 2 includes guide valve blocks 21, conduit 22, guide's valve seat 23 and coil block 24, guide's valve seat23 are arranged in guide valve blocks 21, and conduit 22 is connected on guide valve blocks 21, and coil block 24 is around the home on conduit 22, conduit 22Inside it is provided with attractor 25, core iron 26, third elastic element 27, the third elastic element 27 is helical spring, on core iron 26Equipped with the planker 28 extended at guide's valve seat 23, planker 28 is equipped with the cunning bowl 29 of fitting guide's valve seat 23.When pilot valve 2 is rightWhen coil block 24 carries out excitation, core iron 26 is mobile to 25 direction of attractor, core iron 26 into 25 direction moving process of attractor,Core iron 26 drives sliding bowl 29 relative to the movement of guide's valve seat 23 by planker 28, to realize that a capillary 40 and b capillary 50 connectIt is logical；When pilot valve 2 does not carry out excitation to coil block 24, third elastic element 27 drives core iron 26 to far from 25 direction of attractorMobile, for core iron 26 to far from 25 direction moving process of attractor, core iron 26 drives the opposite pilot valve of sliding bowl 29 by planker 28Seat 23 is mobile, to realize that b capillary 50 is connected to c capillary 60.
Referring to Fig.1, since the A1 interface of compressor 3 is connected to the D interface of four-way reversing valve 4 and a capillary 40, becauseAnd high pressure gas also moves to a capillary 40 in addition to moving in the D interface of four-way reversing valve 4 in the A1 interface of compressor 3It is interior.
Referring to Fig.1 and Fig. 7, under air-conditioning system defrosting state, indoor heat exchanger 5 plays the role of condenser, and outdoor is changedHot device 7 plays the role of evaporator, and pilot valve 2 carries out excitation to coil block 24, to realize a capillary 40 and b capillary 50Connection.A wherein motion path for high pressure gas in the A1 interface of compressor 3 are as follows: A1 interface → a capillary 40 of compressor 350 → First pressure chamber of → b capillary 111.Since in high pressure gas persistent movement to First pressure chamber 111, high pressure gas will be drivenPiston 12 is mobile to second pressure chamber 112, so that A adapter tube 10 is connected to C adapter tube 30.At this point, high in the A1 interface of compressor 3It calms the anger another motion path of body are as follows: the E of A1 interface → four-way reversing valve 4 D interface → four-way reversing valve 4 of compressor 3B1 interface → indoor heat exchanger 5 B2 interface → 6 → outdoor heat exchanger of restricting element 7 C1 of interface → indoor heat exchanger 5 connectsThe C2 interface of mouth → outdoor heat exchanger 7 → 30 → compressor of A adapter tube 10 → C adapter tube 3 A4 interface.
Referring to Fig.1 and Fig. 6, under air-conditioning system defrosting state, the motion path of high pressure gas in the A2 interface of compressor 3It is consistent with the motion path of high pressure gas in the A3 interface of compressor 3, with the movement road of high pressure gas in the A2 interface of compressor 3For diameter, motion path are as follows: A2 interface → four-way reversing valve 4 S interface → four-way reversing valve 4 C interface of compressor 3 →B adapter tube 20.Since the B interface 1612 on valve seat 161 is blocked by sliding block 14, thus, high pressure gas in the A2 interface of compressor 3It can move in B adapter tube 20.
Referring to Fig. 2 and Fig. 7, under the non-defrosting state of air-conditioning system, indoor heat exchanger 5 plays the role of evaporator, outdoorHeat exchanger 7 plays the role of condenser, and pilot valve 2 does not carry out excitation to coil block 24, a capillary 40 and b capillary 50 itBetween pipeline disconnect.A wherein motion path for high pressure gas in the A1 interface of compressor 3 are as follows: A1 interface → a of compressor 3Capillary 40.Pilot valve 2 does not carry out excitation to coil block 24, and b capillary 50 is connected to c capillary 60, First pressure chamber 111The motion path of interior high pressure gas are as follows: First pressure chamber 111 → b capillary 50 → c capillary 60 → C, 30 → compressor of adapter tube3 A4 interface.After high pressure gas in First pressure chamber 111 moves to compressor 3, the first elastic element 15 drive piston 12 toFirst pressure chamber 111 is mobile, to realize that A adapter tube 10 is connected to B adapter tube 20.At this point, high pressure gas in the A1 interface of compressor 3Another motion path are as follows: C interface → B of A1 interface → four-way reversing valve 4 D interface → four-way reversing valve 4 of compressor 3 connectsC2 interface → outdoor heat exchanger 7 C1 interface → restricting element 6 → interior heat exchange of 10 → outdoor heat exchanger of pipe 20 → A adapter tube 7S interface → pressure of B2 interface → indoor heat exchanger 5 B1 interface → four-way reversing valve 4 E interface → four-way reversing valve 4 of device 5The A2 interface (or A3 interface of compressor 3) of contracting machine 3.
Referring to Fig. 4 and Fig. 6, in the present embodiment, the setting of 162 upper end of bracket is jagged, and the present invention is for ease of description, claimedBe upper notch 1622, the opposite main valve body 11 of upper notch 1622 is arranged radially；It is designed in this way, increases second pressure chamber 112 and be located atThe refrigerant of 162 two sides of bracket circulates.After valve seat 161 is inserted into lower notch 1611, valve seat 161 is linked together with bracket 162, andAnd the two surrounds a circular passage, circular passage limits sliding block 141 and rotates.
Referring to Fig. 4 and Fig. 6, in the present embodiment, bracket 13 is equipped with stomata 133；It is designed in this way, increases second pressure chamber112 refrigerants for being located at 13 two sides of bracket circulate.
Referring to Fig. 4 and Fig. 5, the link position between main valve body 11 can be with respectively for A adapter tube 10, B adapter tube 20, C adapter tube 30It changes, the link position between pilot valve 2 can also change respectively for a capillary 40, b capillary 50, c capillary 60Become.By taking A adapter tube 10 as an example, in the present embodiment, A adapter tube 10 is connected to 11 upper end of main valve body, as shown in Figure 4；In its of the inventionIn his embodiment, A adapter tube 10 also be can connect on the side wall of main valve body 11, as shown in Figure 5.
Embodiment two
A kind of air-conditioning system, including compressor, four-way reversing valve, indoor heat exchanger, restricting element, outdoor heat exchanger and streamRoad switching valve, compressor include A1 interface, A2 interface, A3 interface and A4 interface, and four-way reversing valve includes that C interface, D interface, E connectMouth and S interface, indoor heat exchanger includes B1 interface and B2 interface, and outdoor heat exchanger includes C1 interface and C2 interface, the flow pathSwitching valve is electromagnetic pilot-operated triple valve, and electromagnetic pilot-operated triple valve includes main valve and pilot valve, and main valve includes main valve body and workMain valve body inner space is divided into First pressure chamber and second pressure chamber by plug, piston, and main valve body corresponds to the portion of second pressure chamberPosition is connected with A adapter tube, B adapter tube and C adapter tube, is connected with a capillary, b capillary and c capillary on pilot valve.Wherein, compressorA1 interface be connected to the D interface of four-way reversing valve and a capillary, the A3 interface difference of the A2 interface of compressor and compressorIt is connected to the B1 interface of the S orifice of four-way reversing valve, indoor heat exchanger with the E interface of four-way reversing valve, indoor heat exchangerB2 interface and the C1 interface of outdoor heat exchanger between be connected to by restricting element, the C2 interface of outdoor heat exchanger and A adapter tube connectLogical, B adapter tube is connected to the C interface of four-way reversing valve, and C adapter tube is connected to the A4 interface of compressor and c capillary respectively, and b maosTubule is connected to First pressure chamber.
The difference is that, in the present embodiment, valve component includes valve seat, elastic element one end and piston with embodiment oneIt offsets, the elastic element other end offsets with valve seat.In the other embodiment of the present invention, elastic element can also be clamped in piston and masterBetween valve interior wall.
The present embodiment the utility model has the advantages that the manufacturing cost for reducing the number of parts in main valve, reducing main valve.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, is familiar withThose skilled in the art should be understood that the present invention including but not limited to attached drawing and above content described in specific embodiment.Any modification without departing from function and structure principle of the invention is intended to be included in the range of claims.