CN101762126A - Electric throttling distributor - Google Patents
Electric throttling distributor Download PDFInfo
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- CN101762126A CN101762126A CN200810182252A CN200810182252A CN101762126A CN 101762126 A CN101762126 A CN 101762126A CN 200810182252 A CN200810182252 A CN 200810182252A CN 200810182252 A CN200810182252 A CN 200810182252A CN 101762126 A CN101762126 A CN 101762126A
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- electric throttling
- throttling distributor
- retainer
- throttle orifice
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The invention belongs to an electric throttling distributor for a refrigerating system, which comprises a casing, an inlet, an inlet connecting pipe, a plurality of throttling holes, outlet connecting pipes and a stepping motor for driving, wherein the inlet connecting pipe is communicated with the inlet; the outlet connecting pipes are respectively communicated with the throttling holes. The interior of a valve cavity in the casing is also provided with an actuating part which is driven by a magnetic rotor part; the actuating part comprises a driving rod and a slide valve, wherein the slide valve is arranged opposite to the throttling holes. The stepping motor drives the slide valve to rotate to realize flow distribution between the throttling holes and a positioning mechanism is arranged between a rotatable rotating part and a fixing part in the valve cavity. The position relationship between the slide valve and the throttling holes is ensured by the positioning of the positioning mechanism; meanwhile, the system has the advantages of simple installation and connection, and low manufacturing cost.
Description
Technical field
The invention belongs to the electric throttling distributor that a kind of refrigeration system is used, the electric throttling distributor that particularly a kind of air-conditioning system is used.
Background technology
Air-conditioning system of the prior art mostly comprises parts such as indoor heat converter, outdoor heat converter, compressor and throttling arrangement, one drag in many air-conditioning systems at some, in order to improve the heat exchange efficiency of heat exchanger, the assignment of traffic of inner refrigerant is technological difficulties always; Many systems all adopt electric expansion valve each indoor set to be controlled separately and by distributor and expansion valve dispense flow rate, it as the application number of on November 29th, 2006 application disclosed scheme in 200610145015.2 the application for a patent for invention Publication Specification, just adopt and all transfer valve module to be used for the electric expansion valve that intelligence is regulated described each indoor set, thereby realize that one drags the distribution according to need of many air conditioner coolant flow quantities by a control to each indoor set.Be the 02137580.1 disclosed scheme of being announced of patent of invention specification and for example on October 23rd, 2002 application and the application number of authorizing on September 26th, 2007, it also is the flow that controls to the refrigerant of each indoor set by the controller enforcement of controlling each indoor set respectively separately, thereby finish the assignment of traffic of multi-split air conditioner, and regulate the open degree and the refrigerant flow of electric expansion valve automatically, make every indoor set assignment of traffic even, thereby improve the efficient of whole air-conditioning system.
Control to the flow of the refrigerant of each indoor set by above-mentioned control mode, the flow of each indoor set can be realized control separately, service precision is higher, but use parts more relatively, be that each indoor set of disclosed scheme all disposes an electric expansion valve separately and valve module is transferred in a control in 200610145015.2 the application for a patent for invention Publication Specification as the application number of on November 29th, 2006 application, also need a distributor in addition.Number of components is many like this, and manufacturing cost height, pipeline connect complicated, and simultaneously because the quantity of control circuit and valve is corresponding increases, its rate of breakdown also may increase.The application number that on September 26th, 2007 authorized is to have same problem too in the 02137580.1 patent of invention specification of being announced.
Summary of the invention
The technical assignment of the technical problem to be solved in the present invention and proposition is that to overcome the number of components that prior art exists many, the manufacturing cost height, pipeline connects complicated problems, refrigeration system at the multi-group heat exchanger that uses a plurality of heat exchangers or a heat exchanger comprises air-conditioning system, a kind of electric throttling distributor that intelligent flow distributes and carries out throttling that can carry out between the multi-group heat exchanger of a plurality of heat exchangers or a heat exchanger is provided, substitutes a plurality of expansion valves and the distributor that use in the original system; Certain cumulative errors reach because the vibrations of system can cause stepper motor step-out or leapfrog phenomenon once in a while to occur because electric throttling distributor has when operation, therefore for solving the accurate positioning of stepper motor, a detent mechanism is set in electric throttling distributor, when system brings into operation or this system make this electric throttling distributor once reply the location after moving a period of time continuously, this electric throttling distributor can guarantee the flow of discharge connection is carried out smart allocation more accurately like this, and the operation that makes system more economically.
For this reason, the present invention is by the following technical solutions:
A kind of electric throttling distributor, the stepper motor that comprises shell, import and the entrance sleeve that is communicated with import, a plurality of throttle orifice and the discharge connection that is communicated with throttle orifice and a driving usefulness, be formed with a valve pocket in the described shell, described import is connected with described valve pocket, assignment of traffic between described a plurality of throttle orifice drives by stepper motor and drives action component and rotate and realize, also is provided with a detent mechanism in described valve pocket.
Preferably, described detent mechanism is arranged between described the valve pocket interior rotatable parts and fixed part that can rotate.
Preferably, described stepper motor comprise described shell fixing outward as the stepper motor stator partly coil component and valve pocket in be provided with as stepper motor mover magnetic rotor component partly, described rotatable parts comprise described magnetic rotor component and by the described stepper motor mover action component that magnetic rotor component drove partly.
Preferably, described action component comprises drive link and guiding valve.
Optionally, described detent mechanism comprises one at the location match mechanism that is arranged on the rotatable parts such as magnetic rotor component or action component.
Optionally, described detent mechanism comprises a retainer that can not rotate, and this retainer is arranged on the described fixed part.
Optionally, described fixed part also comprise one with the fixing valve seat that forms described valve pocket of described shell, described throttle orifice is arranged on or partly is arranged on the described valve seat, described retainer also is arranged on the described valve seat.
Optionally, described fixed part also comprise one with the fixing base member that forms described valve pocket of described shell, described retainer is arranged on the described base member.
Optionally, described base member comprises base and a base plate, and described throttle orifice is arranged on the described base plate, and described base is provided with the outlet through hole, and the throttle orifice on the described base plate is connected with discharge connection by the outlet through hole on the base.
Optionally, described retainer is arranged on the described base.
Optionally, described base member also comprises a check plate, and described retainer is arranged on the described check plate.
The present invention is by being provided with at least one detent mechanism on electric throttling distributor, can make the interior action component of electric throttling distributor and the accurate positioning of the position between a plurality of throttle orifice, make electric throttling distributor carry out the smart allocation of flow and to finish throttling each throttle orifice exactly, make the flow distribution of refrigerant of supplying between each heat exchanger or the every group of heat exchanger even, make every heat exchanger or every group of heat exchanger give full play to its heat exchange effect, reduce the waste of heat exchange area, thereby improve overall system efficiency; Simultaneity factor is installed and is connected simply, and number of components is few, and is easy to install and use, and manufacturing cost is lower.
Description of drawings
Fig. 1: the structural representation of first kind of embodiment of electric throttling distributor of the present invention;
Fig. 2: the guiding valve of electric throttling distributor shown in Figure 1 and the partial schematic diagram of base member;
Fig. 3: the guiding valve of second kind of embodiment of electric throttling distributor of the present invention and the partial schematic diagram of base member;
Fig. 4: the profile schematic diagram of electric throttling distributor shown in Figure 3;
Fig. 5: electric throttling distributor of the present invention uses the schematic diagram in a kind of air-conditioning system;
Fig. 6: the structural representation of the third embodiment of electric throttling distributor of the present invention;
Fig. 7: for the base member of the electric throttling distributor of Fig. 6 and guiding valve position schematic diagram;
The A-A partial sectional view of Fig. 8: Fig. 7;
The B-B partial sectional view of Fig. 9: Fig. 7;
Figure 10: the structural representation of the 4th kind of embodiment of electric throttling distributor of the present invention;
Figure 11: be the base member of the electric throttling distributor of Figure 10 and the schematic diagram at guiding valve position;
The A-A partial enlarged drawing of Figure 12: Figure 11;
The B-B partial sectional view of Figure 13: Figure 11;
Figure 14: be the structural representation of the check plate of the electric throttling distributor of Figure 10;
Figure 15: be the local enlarged diagram of the C-C of Figure 14;
Figure 16: the structural representation of the 5th kind of embodiment of electric throttling distributor of the present invention.
The specific embodiment
Electric throttling distributor of the present invention goes for the throttling of refrigeration system of a plurality of heat exchangers or multi-group heat exchanger and the distribution of flow, as domestic air conditioning or fridge-freezer etc., be particularly suitable in the domestic air conditioning one and drag in many air-conditionings and the novel heat exchanger to improving in the system that systematic energy efficiency ratio adopts multi-group heat exchanger combination carrying out heat exchange and use.Below in conjunction with accompanying drawing, specify embodiments of the present invention:
As shown in Figure 1, Fig. 1 is the structural representation of first kind of embodiment of electric throttling distributor of the present invention, and Fig. 2 is the partial structurtes schematic diagram at electric throttling distributor base member shown in Figure 1 and guiding valve position.As shown in the figure, in this embodiment, electric throttling distributor comprises a shell 709, fixed part in this embodiment also comprises a base member, base member comprises base 714 and base plate 717, base 714 is valve pocket 710 of fixing and common formation with shell 709 welded seals, also is provided with an import 701a and a plurality of outlet through hole on the base 714 and is welded with the entrance sleeve 701 that communicates with import, discharge connection 703a, the 703b, the 703c that communicate with a plurality of outlet through holes; The outer coil components 711 that are fixed with as the stepper motor stator of shell 709, fixed part comprise the outer fixing coil components 711 of described shell 709, shell 709, and fixing of formations electric throttling distributor such as base member and the part of not rotating.On this fixed part such as base or base plate, can be provided as the retainer that detent mechanism stop is used.
Valve pocket 710 is provided with as stepper motor mover magnetic rotor component 707 partly and the action component that is driven by magnetic rotor component, action component comprises drive link 708 that is fixed together with magnetic rotor component 707 and the guiding valve 706 that is driven by magnetic rotor component 707, drive link 708 in this embodiment, drive link 708 is fixing together during by the magnet rotor injection mo(u)lding, the bottom of drive link 708 is provided with guiding valve 706, guiding valve 706 is provided with a breach, is used for the fixing drive bar of magnetic rotor component 707 supporting.Rotatable parts comprise magnetic rotor component 707 and these parts that can rotate of action component in valve pocket, at these rotatable parts as on magnetic rotor component or action component, being provided as the location match mechanism of detent mechanism.
In this embodiment, retainer is to be fixed on the stop pin 715 on the base 714 and to be set in Shock-proof sleeve 716 on the stop pin 715; The location match mechanism is the locating bar 718 that is fixed on the magnetic rotor component, and locating bar 718 is fixing together when the magnetic rotor component injection molded; Location when the Shock-proof sleeve 716 1 on locating bar 718 and stop pin 715 and the stop pin 715 is used from the electric throttling distributor unlatching and the location in the rotation process, thus constitute a detent mechanism.
Fig. 5 is that electric throttling distributor of the present invention uses the schematic diagram in a kind of air-conditioning system.As shown in Figure 5, air-conditioning system comprises compressor 1, outdoor heat converter 2, electric throttling distributor 4, three indoor heat converter 5a, 5b, 5c, electric throttling distributor 4 of the present invention is used for flow with system to carry out throttling and evenly reasonably distributes between three indoor heat converter 5a, 5b, 5c, make three heat exchangers all can bring into play the effect of a sufficient heat exchange, be provided with the temperature sensor 501,502,503 that the outlet temperature-sensitive is used for this reason at the outlet position of every indoor heat converter 5a, 5b, 5c.When electric throttling distributor moves, the coil component 711 of electric throttling distributor receives the pulse signal that systems control division part is sent, constantly break-make conversion between a plurality of phase places, thereby the magnetic rotor component 707 that drives in the shell 709 does not stop to come back rotation, magnetic rotor component drives drive link 708 again and guiding valve 706 constantly comes back rotation, thereby a plurality of throttle orifice 702a on the control base plate 717,702b, the time scale of 702c and valve pocket 710 conductings, thereby realize described a plurality of throttle orifice 702a, 702b, the distribution of flow between the 702c, the allocation proportion of this a part of flow depends on throttle orifice 702a, 702b, the latus rectum of 702c, the degree of depth and guiding valve are with throttle orifice 702a, 702b, the time scale of 702c conducting.As can be seen from the figure, adopt electric throttling distributor 4 after, cancelled the distributor that carries out assignment of traffic before original employed 3 expansion valves of system and the heat exchanger.
The control mode of system can adopt fuzzy control method, as, air-conditioning system is according to the requirement of the set operating mode of the temperature of the set temperature sensor 501,502,503 in the outlet position of detected indoor heat converter and air-conditioning, the outlet temperature of judging which group in three groups of indoor heat converters is higher, send according to judged result and to forward the throttle orifice conduction position corresponding to when corresponding control signal is rotated stepper motor, make the flow increase of the throttle orifice corresponding with this heat exchanger with this group heat exchanger; Another mode is that corresponding velocity of rotation slows down when forwarding near the throttle orifice conduction position corresponding with this group heat exchanger when this stepper motor is rotated, thereby the flow proportional of the cold-producing medium that flows out by this throttle orifice is increased, thereby improve the supply of air-conditioning system to the flow of this group heat exchanger, the outlet temperature of this group heat exchanger just can reduce like this, thereby comprehensively improves the efficient of indoor heat converter and the efficiency of whole air-conditioning system.
Because electric throttling distributor has certain cumulative errors when operation, and because the vibrations of system cause stepper motor step-out or leapfrog phenomenon to occur sometimes once in a while, like this, can depart from system as the mover of stepper motor magnetic rotor component partly and require the position that is provided with, thereby error or error that assignment of traffic occurs, therefore for solving the accurate positioning of stepper motor, once reset and after system moves a period of time continuously, once reset again in the time of generally can starting in system, this fixed position that magnetic rotor component is moved to contact with retainer, initial position as electric throttling distributor, and then carry out relevant action, come the accuracy of safety action, thereby guarantee the accuracy of electric throttling distributor dispense flow rate.
In order to guarantee between coil component 711 and shell 709, have a locator card locking apparatus to carry out stationary positioned (not marking Reference numeral among the figure) as the solenoid parts 711 of stepper motor stator part and as the phase place between the stepper motor mover magnetic rotor component 707 partly.
During concrete work, when magnetic rotor component 707 forwards locating bar 718 to and Shock-proof sleeve 716 on the stop pin 715 contacts this position, both stop owing to inconsistent, thereby finish magnetic rotor component 707 and pass on the location work of the action component that subassembly drives by magnetic.When system moves, can carry out one-time positioning at regular intervals or reset, to guarantee the accurate positioning of the position between guiding valve and the throttle orifice.
Then, electric throttling distributor constantly back and forth rotates according to the pulse signal that system sends, drive drive link simultaneously and guiding valve 706 constantly back and forth rotates, pass through each throttle orifice 702a of guiding valve 706 conductings by control, 702b, the corresponding time scale of 702c, just can realize that electric throttling distributor is to each throttle orifice 702a, 702b, the distribution of the flow of 702c, similarly, each throttle orifice 702a, 702b, the flow of 702c just depends on each throttle orifice 702a, 702b, speed when passing through this throttle orifice when the latus rectum of 702c and guiding valve rotate, if the velocity of rotation when guiding valve passes through throttle orifice 702a conducting is slower, then correspondingly the time of the conducting by this throttle orifice 702a is corresponding longer, and is just corresponding higher by the flow proportional of this throttle orifice 702a; Similarly, if the velocity of rotation when guiding valve passes through throttle orifice 702a conducting is very fast, then correspondingly the time of the conducting by this throttle orifice 702a is corresponding shorter, flow proportional by this throttle orifice 702a is just corresponding lower, and the allocation proportion of at this moment correspondingly corresponding with throttle orifice 702a discharge connection 703a flow is also just lower.In this embodiment, described base plate 717 adopts drawing to process, also be provided with in 717a position, the plane of this base plate 717 in addition one with throttle orifice 702a, 702b, the 702c recess 712 of conducting partly, flow can also be arranged partly by leading to discharge connection after the throttle orifice throttling with throttle orifice 702a, 702b, when 702c covers at guiding valve 706 like this.
In the embodiment recited above, electric throttling distributor is to carry out the distribution of throttling and flow by three throttle orifices, and this is not a limitation of the present invention, and the throttle orifice of electric throttling distributor can be 2,3,4,5, even more.
Retainer is arranged on the base in the embodiment of introducing above, be arranged on the magnet rotor and correspondingly locate match mechanism, in actual use, retainer also can be arranged on the base plate, the location match mechanism can also be arranged on the drive link or on the guiding valve, also can the one whole processing of base member in addition, and retainer can be arranged on this base member or on the medial surface of shell, the so equal function and effect that can realize detent mechanism.
Be another embodiment below, as shown in Figure 3, Fig. 3 is the guiding valve of second kind of embodiment of the present invention and the partial schematic diagram of valve seat, and Fig. 4 is the profile schematic diagram of this electric throttling distributor.As shown in the figure, the difference of this embodiment and above-mentioned embodiment is the quantity of throttle orifice and discharge connection, what constitute fixed part in this embodiment in addition is not a base member, but valve seat that whole one processes, this valve seat has 2 planes, middle flat surfaces is provided with 6 throttle orifice 702a, 702b, 702c, 702d, 702e, 702f, the bigger end of external diameter at valve seat is welded with 6 discharge connection 703a, 703b, 703c, 703d, 703e, 703f, each throttle orifice is connected respectively with a discharge connection, throttle orifice 702a, 702b, 702c, 702d, 702e, the latus rectum of 702f is respectively less than discharge connection 703a, 703b, 703c, 703d, 703e, the latus rectum of 703f; On second plane in the valve seat outside, also be provided with an import 701a and be welded with entrance sleeve 701, and be provided with a stop pin 715, outside stop pin, be arranged with Shock-proof sleeve 716, when location match mechanism 718 fixing on the magnetic rotor component was conflicted the outer sheathed Shock-proof sleeve 716 of stop pin 715 and stop pin, magnetic rotor component was finished and is located or reset.Other operation principle is all identical with embodiment described above with working method in this embodiment, just no longer repeats here.
The third embodiment of electric throttling distributor of the present invention is described below in conjunction with Fig. 6, Fig. 6 is the structural representation of this embodiment, Fig. 7 be the base member of this electric throttling distributor and guiding valve position schematic diagram, Fig. 8 is the A-A partial enlarged drawing of Fig. 7, and Fig. 9 is the B-B partial sectional view of Fig. 7.In this embodiment, electric throttling distributor comprises a shell 111, base 106 in the base member is the fixing and common valve pocket 112 that forms with the shell welded seal, valve pocket is fixed with outward as stepper motor stator coil component 113 partly, also be provided with in the valve pocket as stepper motor mover magnetic rotor component 109 partly and reach drive link 110 that is fixed together with magnetic rotor component and the guiding valve 108 that under drive link and magnetic rotor component drive, rotates, relative with guiding valve 108 is base member to what be provided with, comprise base plate 107 and base 106, base plate and base are fixed together by crimping, base is provided with an import 102 and is welded with entrance sleeve 101, also be provided with 2 outlet through hole 104a on the base, 104b also is welded with discharge connection 103a simultaneously, 103b, discharge connection 103a, 103b respectively with outlet through hole 104a, 104b is connected, base plate 107 also is provided with two throttle orifice 105a simultaneously in addition, 105b, throttle orifice 105a, 105b is by outlet through hole 104a, 104b and discharge connection 103a, 103b is connected, throttle orifice 105a, the latus rectum of 105b is respectively less than the outlet through hole 104a that is communicated with it, 104b and discharge connection 103a, the latus rectum of 103b.In addition, also has a retainer 114 in this embodiment, retainer is made of more bigger bottom and smaller retainer, on base 106, also be provided with a counterbore, a corresponding through hole is also arranged on base plate, the sizableness of the retainer of the size of through hole and retainer 114 and less than the bottom of retainer 114, the flexible member 115 that is provided with under simultaneously with retainer 114 and retainer when base plate and base crimping is pressed in the counterbore, make the retainer of retainer 114 be exposed to base plate, the bottom of retainer 114 then is fixed in the counterbore of base, as Fig. 8, in order to prevent retainer 114 skews or to rotate, the bottom of retainer 114 is square, and the shape of the counterbore on the corresponding base also is square; In addition the bottom of retainer 114 also can for circle with breach or other shape that can not rotate, simultaneously the counterbore shape on the base 106 and the bottom shape of retainer 114 adapt, and the bottom of retainer 114 can non-migration in the counterbore of base 106, do not move up and down rotationally.The retainer that is exposed to base plate of retainer 114 has an inclined-plane 114a, flexible member 115 can the pressurizeds compression when retainer is lateral stressed during to lower stress or along the inclined-plane, the retainer of retainer 114 can descend and sinks in the hole of base 106 and base plate 108 like this, in the normal rotation process, retainer is all in the hole of base 106 and base plate 108 like this.Simultaneously, guiding valve 108 with base plate and base opposed bottom surface on be provided with one as the location match mechanism recess, recess comprises an inclined-plane 108a relative with retainer and a blocking surface 108b, when the retainer that turns to retainer when guiding valve enters the recess of guiding valve, as Fig. 8, guiding valve 108 can be to illustrated right side normal rotation, but in the time of to the left since the blocking surface 108b of guiding valve 108 just can not rotate again with the outer surface 114b of the retainer of retainer 114 is inconsistent, thereby the realization positioning function.Promptly at this moment guiding valve can only rotate to illustrated right direction, when electric throttling distributor is worked, magnetic rotor component drive that guiding valve back and forth rotates in less than the scope of 360 ° of angles or can be to the right always folk prescription realize distribution to continuous rotation to throttle orifice 105a, 105b flow.The retainer of retainer can be set to square or trapezoidal, and the shape as the recess of locating match mechanism on the corresponding guiding valve matches with the shape of the retainer of retainer.
In this embodiment, the fixed part of this electric throttling distributor comprises that shell 111, shell 111 outer fixing coil components 113 and base member comprise retainer 114, flexible member 115 fixing in base 106, base plate 107, the base member, and rotatable parts comprise the action component that magnetic rotor component 109, drive link 110 and guiding valve in the valve pocket are formed.The advantage of this embodiment is that magnetic rotor component can drive drive link and guiding valve back and forth rotates or a direction is rotated continuously, and when needs were located, the operating position of carrying out counter-rotation arrival detent mechanism correspondence was just passable.Flexible member recited above can be compression spring or elasticity block rubber such as silica gel piece etc. preferably.Be to select clockwise direction or counter clockwise direction to be provided with during concrete enforcement according to system's needs.
Accompanying drawings another one embodiment: Figure 10 is the structural representation of the 4th kind of embodiment of electric throttling distributor of the present invention more below, Figure 11 is the base member of electric throttling distributor of Figure 10 and the schematic diagram at guiding valve position, Figure 12 is the A-A partial view of Figure 11, and Figure 13 is the B-B partial sectional view of Figure 11.In this embodiment, electric throttling distributor comprises a shell 111, base 106 in the base member is the fixing and common valve pocket 112 that forms with the shell welded seal, valve pocket is fixed with outward as stepper motor stator coil component 113 partly, also be provided with in the valve pocket as stepper motor mover magnetic rotor component 109 partly and reach drive link 110 that is fixed together with magnetic rotor component and the guiding valve 108 that under drive link and magnetic rotor component drive, rotates, relative with guiding valve 108 is base member to what be provided with, comprise base plate 107 and base 106, base plate and base are fixed together by crimping, base is provided with an import 102 and is welded with entrance sleeve 101, also be provided with 2 outlet through hole 104a on the base, 104b also is welded with discharge connection 103a simultaneously, 103b, discharge connection 103a, 103b respectively with outlet through hole 104a, 104b is connected, base plate 107 also is provided with two throttle orifice 105a simultaneously in addition, 105b, throttle orifice 105a, 105b is by outlet through hole 104a, 104b and discharge connection 103a, 103b is connected, throttle orifice 105a, the latus rectum of 105b is respectively less than the outlet through hole 104a that is communicated with it, 104b and discharge connection 103a, the latus rectum of 103b.In addition, the base member in this embodiment also has a check plate 114 ', and check plate 114 ' is fixed in the middle of base plate and the base, and check plate 114 ' is provided with jut a 114 ' f, and jut 114 ' f is retainer in this embodiment; Inclined-plane 114 ' a and stop blocking surface a 114 ' b that a tape guide is arranged on the jut 114 ' f, correspondingly base plate is provided with one and check plate 114 ' the corresponding notch part, jut 114 ' the f of check plate 114 ' stretch out the notch part of base plate 107 and projection on the surface of base member, be provided with the through hole corresponding 114 ' C, 114 ' d on the check plate 114 ' equally with throttle orifice 105a, 105b.Jut 114 ' the f of check plate 114 ' has the inclined-plane 114 ' a of a guiding, jut 114 ' f can be bent downwardly by pressurized when jut 114 ' f is lateral stressed during to lower stress or along the inclined-plane, jut 114 ' the f of check plate 114 ' can descend like this, simultaneously, guiding valve 108 with base plate and base opposed bottom surface on be provided with one as the location match mechanism recess, recess comprises an inclined-plane 108a relative with retainer and a blocking surface 108b.Like this in the normal rotation process, jut 114 ' the f of check plate is in the notch part of base plate 108, when the jut that turns to check plate when guiding valve enters the recess of guiding valve, the outstanding backplate surface of the jut 114 ' f of check plate enters the recess of guiding valve 108, as Figure 12, at this moment guiding valve 108 can normal rotation to illustrated right side, but in the time of to the left because the stop blocking surface 114 ' b of the jut 114 ' f of the blocking surface 108b of guiding valve 108 and check plate 114 is inconsistent just can not rotate again, then be not affected fully to the right, thereby realize positioning function.Promptly at this moment guiding valve can only rotate to illustrated right direction, when electric throttling distributor is worked, magnetic rotor component drive guiding valve back and forth rotate in less than 360 ° of angles as scope 300 ° angle or can to the right side of a direction such as Figure 12 always folk prescription realize distribution to continuous rotation to throttle orifice 105a, 105b flow.In this embodiment, the fixed part of this electric throttling distributor comprises and shell 111, shell 111 outer fixing coil components 113 and base member comprises check plate fixing in base 106, base plate 107, the base member 114 ' these maintain static moving part, and the rotatable parts of this electric throttling distributor comprise the part that the action component that magnetic rotor component 109 in the valve pocket, drive link 110 and guiding valve 108 are formed etc. rotates in valve pocket.Other operation principle of this embodiment and mode are no longer repeated here with top embodiment.
Generally speaking, if the negligible amounts of throttle orifice, then the angle of Zhuan Donging can be smaller, preferably back and forth rotates back and forth, and as having only the situation of 2 throttle orifices in the present embodiment, rotational angle needs only at 120 ° with interior just enough fully; And if throttle orifice quantity is more, there are 5 or 6 even more, preferably adopt a direction to rotate continuously, distribution effects can be better like this.
The throttle orifice of two embodiments described above all is 2, and this is the convenience in order to describe just, is not the restriction to throttle orifice quantity.
Accompanying drawings another one embodiment more below, Figure 16 is the structural representation of the 5th kind of embodiment of electric throttling distributor of the present invention, the difference of this embodiment and first embodiment is to be that a valve seat 705 has replaced a base member in first embodiment in this embodiment, and corresponding setting is to be fixedly installed on a stop pin 715 of valve seat 705 and to be set in a Shock-proof sleeve 716 on the stop pin 715 at the retainer on the fixed part; And the location match mechanism that is arranged on the rotatable parts is a stop rod 718 that is fixed on the magnetic rotor component 707.Other operation principle of this embodiment is all identical with first embodiment with working method, just no longer repeats here.
The entrance sleeve of being mentioned among the present invention, discharge connection are not limited to straight adapter, but the middle pipe fitting that the connection usefulness of through hole is arranged, as being an end belt lacing or two ends various ways such as adapter not of uniform size.
In addition, the entrance sleeve of described electric throttling distributor is not limited to be connected the below of described electric throttling distributor, entrance sleeve can also be connected the peripheral side of shell, also be not limited to and be connected on described valve seat or the base, entrance sleeve can also directly be connected on the shell, and is corresponding more proper at throttle orifice like this.
In sum, electric throttling distributor of the present invention, can realize the purpose that flow quantity intelligent distributes between a plurality of pipelines, the refrigerant flow of system is reasonably distributed, heat exchanger or efficiency of heat exchanger are not fully exerted, and avoid between much more original group heat exchangers the mass flow discrepancy wasting problem that weighs, adopt the mode that a detent mechanism is set simultaneously, make magnetic rotor component, guiding valve and correspondingly can correctly locate between the throttle orifice, thereby guarantee to distribute exactly flow between the throttle orifice.
The above only is several embodiment of the present invention; and be not restriction to application of the present invention; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (11)
1. electric throttling distributor, the stepper motor that comprises shell, import and the entrance sleeve that is communicated with import, a plurality of throttle orifice and the discharge connection that is communicated with throttle orifice and a driving usefulness, be formed with a valve pocket in the described shell, described import is connected with described valve pocket, assignment of traffic between described a plurality of throttle orifice drives by stepper motor and drives action component and rotate and realize, also is provided with a detent mechanism in described valve pocket.
2. electric throttling distributor as claimed in claim 1 is characterized in that described detent mechanism is arranged between described the valve pocket interior rotatable parts and fixed part that can rotate.
3. electric throttling distributor as claimed in claim 2, it is characterized in that described stepper motor comprise described shell fixing outward as the stepper motor stator partly coil component and valve pocket in be provided with as stepper motor mover magnetic rotor component partly, described rotatable parts comprise described magnetic rotor component and by the described stepper motor mover action component that magnetic rotor component drove partly.
4. electric throttling distributor as claimed in claim 2 is characterized in that described action component comprises drive link and guiding valve.
5. electric throttling distributor as claimed in claim 3 is characterized in that described detent mechanism comprises one at the location match mechanism that is arranged on the rotatable parts such as magnetic rotor component or action component.
6. as claim 2～5 each described electric throttling distributor wherein, it is characterized in that described detent mechanism comprises a retainer, this retainer is arranged on the described fixed part.
7. electric throttling distributor as claimed in claim 6, it is characterized in that described fixed part also comprise one with the fixing valve seat that forms described valve pocket of described shell, described throttle orifice is arranged on or partly is arranged on the described valve seat, and described retainer also is arranged on the described valve seat.
8. electric throttling distributor as claimed in claim 6, it is characterized in that described fixed part also comprise one with the fixing base member that forms described valve pocket of described shell, described retainer is arranged on the described base member.
9. electric throttling distributor as claimed in claim 8, it is characterized in that described base member comprises base and a base plate, described throttle orifice is arranged on the described base plate, described base is provided with the outlet through hole, and the throttle orifice on the described base plate is connected with discharge connection by the outlet through hole on the base.
10. electric throttling distributor as claimed in claim 8 or 9 is characterized in that described retainer is arranged on the described base.
11. electric throttling distributor is characterized in that described base member also comprises a check plate as claimed in claim 8 or 9, described retainer is arranged on the described check plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101822525A CN101762126B (en) | 2008-11-20 | 2008-11-20 | Electric throttling distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101822525A CN101762126B (en) | 2008-11-20 | 2008-11-20 | Electric throttling distributor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101762126A true CN101762126A (en) | 2010-06-30 |
| CN101762126B CN101762126B (en) | 2013-06-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101822525A Active CN101762126B (en) | 2008-11-20 | 2008-11-20 | Electric throttling distributor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101762126B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191622A (en) * | 2016-03-15 | 2017-09-22 | 株式会社鹭宫制作所 | Guiding valve and the heat pump assembly for having used the guiding valve |
| CN111121354A (en) * | 2018-10-30 | 2020-05-08 | 石家庄长通电器有限公司 | Control method for preventing step loss of electronic expansion valve |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3864938A (en) * | 1973-09-25 | 1975-02-11 | Carrier Corp | Refrigerant flow control device |
| JP2002276827A (en) * | 2001-03-16 | 2002-09-25 | Pacific Ind Co Ltd | Control valve |
| JP2004263725A (en) * | 2003-02-14 | 2004-09-24 | Saginomiya Seisakusho Inc | Electrically driven control valve |
| CN100582535C (en) * | 2005-11-25 | 2010-01-20 | 浙江三花制冷集团有限公司 | Electric switch valve and refrigerating cycle for freezing refrigerator |
| CN101230928B (en) * | 2007-01-26 | 2010-09-22 | 浙江三花制冷集团有限公司 | Electric switching valve and refrigerator refrigerating cycle device |
-
2008
- 2008-11-20 CN CN2008101822525A patent/CN101762126B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191622A (en) * | 2016-03-15 | 2017-09-22 | 株式会社鹭宫制作所 | Guiding valve and the heat pump assembly for having used the guiding valve |
| CN107191622B (en) * | 2016-03-15 | 2019-04-12 | 株式会社鹭宫制作所 | The heat pump assembly of slide valve is used |
| CN111121354A (en) * | 2018-10-30 | 2020-05-08 | 石家庄长通电器有限公司 | Control method for preventing step loss of electronic expansion valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101762126B (en) | 2013-06-19 |
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Address after: 312500 Shaoxing City, Zhejiang province Xinchang Qixing street under the Liquan Patentee after: Zhejiang three flower intelligent control Limited by Share Ltd Address before: 312500 Liquan village of Zhejiang County in Xinchang Province town under Patentee before: Zhejiang Sanhua Group Co., Ltd. |