CN101762120A - Electric flow distributor - Google Patents
Electric flow distributor Download PDFInfo
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- CN101762120A CN101762120A CN 200810176230 CN200810176230A CN101762120A CN 101762120 A CN101762120 A CN 101762120A CN 200810176230 CN200810176230 CN 200810176230 CN 200810176230 A CN200810176230 A CN 200810176230A CN 101762120 A CN101762120 A CN 101762120A
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- flow distributor
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Abstract
The invention belongs to an electric flow distributor for a refrigerating system, which comprises a casing, an inlet, an inlet connecting pipe, a plurality of outlets, 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 outlets. The interior of a valve cavity in the casing is also provided with a driving rod and a slide valve, wherein the driving rod is driven by a magnetic rotor part; the slide valve is arranged opposite to the outlets. The stepping motor drives the slide valve to rotate to realize the flow distribution between the outlets; and the slide valve is also provided with a positioning mechanism, and the position relationship between the slide valve and the outlet is ensured through 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 flow distributor that a kind of refrigeration system is used, the electric flow 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 that each indoor set is controlled separately and 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 using parts more relatively, is 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.Number of components is many like this, and manufacturing cost is very high, and pipeline connects complicated, and simultaneously because the quantity of control circuit and valve is corresponding increases, its rate of breakdown also may corresponding increasing.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 flow distributor that intelligent flow distributes that can carry out between the multi-group heat exchanger of a plurality of heat exchangers or a heat exchanger is provided, 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 flow distributor has when operation, therefore for solving the accurate positioning of stepper motor, a detent mechanism is set in electric flow distributor, when system brings into operation or this system continuously operation one paragraph make this electric flow distributor carry out stop location after the time, this electric flow 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 flow distributor, comprise shell, import and the entrance sleeve that is communicated with import, a plurality of outlets and with the discharge connection that is communicated with respectively of outlet and the stepper motor of a driving usefulness, described shell is fixed with outward as stepper motor stator coil component partly, be formed with a valve pocket in the described shell, be provided with in the valve pocket as the stepper motor mover partly magnetic rotor component and by action component that described magnetic rotor component drove, described import is connected with described valve pocket, assignment of traffic between described a plurality of outlet drives the rotation of drive action component by stepper motor and realizes, also is provided with a detent mechanism in described valve pocket.
Preferably, described electric flow distributor comprises that also one is used for forming fixture described valve pocket and that fixedly connected with described shell with described shell.
Preferably, described action component comprises drive link and guiding valve.
Preferably, described detent mechanism comprises a fixing retainer.
Preferably, described detent mechanism also comprises one at the locator card locking mechanism that is arranged on the movable parts such as magnetic rotor component or action component.
Optionally, the fixture of described electric flow distributor is a valve seat, and described outlet is arranged on or partly is arranged on the described valve seat, and described retainer is arranged on the described valve seat.
Optionally, the fixture of described electric flow distributor is a base member, and described retainer is arranged on the described base member.
Preferably, described base member comprises base and a base plate, and described outlet is arranged on the described base plate, and described base is provided with the outlet through hole, and the outlet 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 plate.
Optionally, described retainer is arranged on the described base.
Preferably, described base member comprises base, base plate, 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 flow distributor, can make the location of interior movable part of electric flow distributor and the position between a plurality of outlet more accurate, make electric flow distributor can carry out the smart allocation of flow exactly to each outlet, make between each heat exchanger or the every group of heat exchanger assignment of traffic 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 easy to install and use, manufacturing cost is lower.
Description of drawings
Fig. 1: the structural representation of first kind of embodiment of electric flow distributor of the present invention;
Fig. 2: the partial schematic diagram at the guiding valve of electric flow distributor shown in Figure 1 and the position of base member;
Fig. 3: the guiding valve of second kind of embodiment of electric flow distributor of the present invention and the partial schematic diagram of valve seat location;
Fig. 4: the profile schematic diagram of electric flow distributor shown in Figure 3;
Fig. 5: electric flow 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 flow distributor of the present invention;
Fig. 7: for the base member of the electric flow 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 flow distributor of the present invention;
Figure 11: for the base member of the electric flow distributor of Figure 10 and guiding valve position schematic diagram;
The A-A partial sectional view of Figure 12: Figure 11;
The B-B partial sectional view of Figure 13: Figure 11;
Figure 14: be the schematic diagram of the check plate of the electric flow distributor of Figure 10;
Figure 15: be the local enlarged diagram of the C-C of Figure 14.
The specific embodiment
Electric flow distributor of the present invention goes for the distribution of flow of the refrigeration system of a plurality of heat exchangers or multi-group heat exchanger, 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 flow distributor of the present invention, and Fig. 2 is the partial structurtes schematic diagram at electric flow distributor valve seat shown in Figure 1 and guiding valve position.As shown in the figure, in this embodiment, electric flow distributor comprises a shell 709a, fixture in this embodiment is 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 709a welded seal, also is provided with an import 702 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; Shell 709a is fixed with the coil component 711 as the stepper motor stator component outward, the coil component 711 that described shell 709a, shell 709a are fixing outward, and base member constitute the fixed part of electric flow distributor.On this fixed part such as base or base plate, can be provided as the retainer of detent mechanism.
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 and drive link 708 in this embodiment, drive link 708 is fixed-type 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.This partly is can rotate in valve pocket partly movable for magnetic rotor component 707 and action component, and this activity part as magnetic rotor component or action component are provided with the locator card locking mechanism as 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 locator card locking mechanism is the locating bar 718 that is fixed on the magnetic rotor component, and locating bar 718 is fixing together the shaping 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 flow distributor unlatching and the location in the rotation process.
Fig. 5 is that electric flow 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, expansion valve 3, electric flow distributor 4, three indoor heat converter 5a, 5b, 5c, electric flow distributor 4 of the present invention is used for the flow of system is evenly reasonably distributed 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 flow distributor moves, the coil component 711 of electric flow 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 709a does not stop to come back rotation, magnetic rotor component drives drive link 708 again and guiding valve 706 constantly comes back rotation, thereby the time scale of a plurality of outlet 704a, 704b, 704c and valve pocket 710 conductings on the control base plate 717, thereby realize described a plurality of distribution that export flow between 704a, 704b, the 704c.
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 outlet conduction position corresponding to when corresponding control signal is rotated stepper motor, make the flow increase of the outlet corresponding with this heat exchanger with this group heat exchanger; Another mode is that corresponding velocity of rotation slows down when forwarding near the outlet 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 outlet 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 flow 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 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 flow distributor, and then carry out relevant action, come the accuracy of safety action, thereby guarantee the accuracy of current flow distributor dispense flow rate.
In order to guarantee between coil component 711 and shell 709a, 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, with the accurate positioning of the position between guaranteeing guiding valve and exporting.
Then, electric flow distributor continuously 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, by control each outlet 704a by guiding valve 706 conductings, 704b, the corresponding time scale of 704c, just can realize that electric flow distributor exports 704a to each, 704b, the distribution of the flow of 704c, similarly, each exports 704a, 704b, the flow of 704c just depends on each outlet 704a, 704b, speed when passing through this outlet when the latus rectum of 704c and guiding valve rotate, if the velocity of rotation when guiding valve passes through outlet 704a conducting is slower, the time of then correspondingly passing through this conducting that exports 704a is corresponding longer, and is just corresponding higher by flow proportional of this outlet 704a; Similarly, if the velocity of rotation when guiding valve passes through outlet 704a conducting is very fast, the time of then correspondingly passing through this conducting that exports 704a is corresponding shorter, flow proportional by this outlet 704a is just corresponding lower, and at this moment the allocation proportion of correspondingly corresponding with outlet 704a discharge connection 703a flow is also just lower.In this embodiment, described base plate 717 adopts drawing to process.
In the embodiment recited above, electric flow distributor is that the distribution of flow is carried out in three outlets, and this is not a limitation of the present invention, and the outlet of electric flow distributor can be 2,3,4,5, even more.
Retainer is arranged on the base in the embodiment of introducing above, and correspondingly the locator card locking mechanism is arranged on the magnet rotor, in actual use, retainer also can be arranged on the base plate, the locator card locking 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 location, and Fig. 4 is the profile schematic diagram of this electric flow distributor.As shown in the figure, the difference of this embodiment and above-mentioned embodiment is outlet and discharge connection, fixture is not a base member in this embodiment in addition, but valve seat that whole one processes, this valve seat has 2 planes, middle flat surfaces is provided with 6 outlets 704a, 704b, 704c, 704d, 704e, 704f, is welded with 6 discharge connection 703a, 703b, 703c, 703d, 703e, 703f at the valve seat downside, and each outlet is connected with a discharge connection; On the plane in the valve seat outside, also be provided with an import 702 and be welded with entrance sleeve 701, on the outer side plane of valve seat, also be provided with a stop pin 715, outside stop pin, be arranged with Shock-proof sleeve 716, during sheathed Shock-proof sleeve 716, magnetic rotor component is finished the location outside locator card locking mechanism 718 fixing on the magnetic rotor component is conflicted stop pin 715 and stop pin.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 flow 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 flow distributor and guiding valve position schematic diagram, Fig. 8 is the A-A partial sectional view of Fig. 7, and Fig. 9 is the B-B partial sectional view of Fig. 7.In this embodiment, electric flow 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 outlet 105a simultaneously in addition, 105b, outlet 105a, 105b is by outlet through hole 104a, 104b and discharge connection 103a, 103b is connected.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, the bottom of retainer 114 is square or circular band breach, and the counterbore shape on the base 106 and the bottom shape of retainer 114 adapt simultaneously, and the bottom of retainer 114 can move up and down in the counterbore of base 106 non-migration.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 a recess as the locator card locking mechanism, 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 to illustrated can normal rotation with the right side, 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 flow 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 outlet 105a, 105b flow.
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 flow distributor of the present invention more below, Figure 11 be the base member of electric flow distributor of Figure 10 and guiding valve position schematic diagram, Figure 12 is the A-A partial sectional view of Figure 11, and Figure 13 is the B-B partial sectional view of Figure 11.In this embodiment, electric flow distributor comprises a shell 111, as the fixing and common valve pocket 112 that forms of base in the base member of fixture 106 and 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 outlet 105a simultaneously in addition, 105b, outlet 105a, 105b is by outlet through hole 104a, 104b and discharge connection 103a, 103b is connected.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 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 exporting 105a, 105b.Check plate 114 ' jut 114 ' f 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 a recess as the locator card locking mechanism, recess comprises an inclined-plane 108a relative with retainer and a blocking surface 108b, in the normal rotation process, the jut 114 ' f of check plate is in the notch part of base plate 108 like this.When the jut that turns to check plate when guiding valve enters the recess of guiding valve, as Figure 12, guiding valve 108 to illustrated can normal rotation with the 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 flow 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 be to the right always folk prescription realize distribution to continuous rotation to outlet 105a, 105b flow.Other operation principle of this embodiment and mode are no longer repeated here with top embodiment.
Generally speaking, if the negligible amounts of outlet, 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 outlets in the present embodiment, rotational angle needs only at 120 ° with interior just enough fully; And if export volume is more, there are 5 or 6 even more, preferably adopt a direction to rotate continuously, distribution effects can be better like this.
The outlet of two embodiments described above all is 2, and this is the convenience in order to describe just, is not the restriction to export volume.
Equally, the entrance sleeve of being mentioned among the present invention, discharge connection are not limited to straight adapter, and can be an end belt lacing or two ends various ways such as adapter not of uniform size, the promptly middle pipe fitting that the connection usefulness of through hole is arranged.
In addition, the entrance sleeve of described electric flow distributor is not limited to be connected the below of described electric flow 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 in outlet like this.
In sum, electric flow 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 outlet, thereby guarantee to distribute exactly flow between the outlet.
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 flow distributor, comprise shell, import and the entrance sleeve that is communicated with import, a plurality of outlets and the discharge connection that is communicated with outlet and the stepper motor of a driving usefulness, described shell is fixed with outward as stepper motor stator coil component partly, be formed with a valve pocket in the described shell, be provided with in the valve pocket as the stepper motor mover partly magnetic rotor component and by action component that described magnetic rotor component drove, described import is connected with described valve pocket, assignment of traffic between described a plurality of outlet drives the rotation of drive action component by stepper motor and realizes, also is provided with a detent mechanism in described valve pocket.
2. electric flow distributor as claimed in claim 1 is characterized in that described electric flow distributor comprises that also one is used for forming fixture described valve pocket and that fixedly connected with described shell with described shell.
3. electric flow distributor as claimed in claim 2 is characterized in that described action component comprises drive link and guiding valve.
4. electric flow distributor as claimed in claim 2 is characterized in that described detent mechanism comprises a fixing retainer.
5. electric flow distributor as claimed in claim 4 is characterized in that described detent mechanism also comprises one at the locator card locking mechanism that is arranged on the movable parts such as magnetic rotor component or action component.
6. as claim 2～5 each described electric flow distributor wherein, it is characterized in that described fixture is a valve seat, described outlet is arranged on or partly is arranged on the described valve seat, and described retainer is arranged on the described valve seat.
7. electric flow distributor as claimed in claim 2, the fixture that it is characterized in that described electric flow distributor is a base member, described retainer is arranged on the described base member.
8. electric flow distributor as claimed in claim 7, it is characterized in that described base member comprises base and a base plate, described outlet is arranged on the described base plate, and described base is provided with the outlet through hole, and the outlet on the described base plate is connected with discharge connection by the outlet through hole on the base.
9. electric flow distributor as claimed in claim 8 is characterized in that described retainer is arranged on the described base plate.
10. electric flow distributor as claimed in claim 8 is characterized in that described retainer is arranged on the described base.
11. electric flow distributor as claimed in claim 7 is characterized in that described base member comprises base, base plate, check plate, described retainer is arranged on the described check plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810176230 CN101762120B (en) | 2008-11-14 | 2008-11-14 | Electric flow distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810176230 CN101762120B (en) | 2008-11-14 | 2008-11-14 | Electric flow distributor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101762120A true CN101762120A (en) | 2010-06-30 |
| CN101762120B CN101762120B (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810176230 Active CN101762120B (en) | 2008-11-14 | 2008-11-14 | Electric flow distributor |
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| CN (1) | CN101762120B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102354850A (en) * | 2011-11-02 | 2012-02-15 | 镇江日鑫电子有限公司(中外合资) | Contact pin connector |
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
- 2008-11-14 CN CN 200810176230 patent/CN101762120B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102354850A (en) * | 2011-11-02 | 2012-02-15 | 镇江日鑫电子有限公司(中外合资) | Contact pin connector |
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| Publication number | Publication date |
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| CN101762120B (en) | 2013-06-19 |
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