CN101762120B - Electric flow distributor - Google Patents
Electric flow distributor Download PDFInfo
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- CN101762120B CN101762120B CN 200810176230 CN200810176230A CN101762120B CN 101762120 B CN101762120 B CN 101762120B CN 200810176230 CN200810176230 CN 200810176230 CN 200810176230 A CN200810176230 A CN 200810176230A CN 101762120 B CN101762120 B CN 101762120B
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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, particularly the electric flow distributor used of a kind of air-conditioning system.
Background technology
Air-conditioning system of the prior art mostly comprises the parts such as indoor heat converter, outdoor heat converter, compressor and throttling arrangement, one drag 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 carried out controlling separately and dispense flow rate, it is disclosed scheme in 200610145015.2 application for a patent for invention Publication Specification as the application number of on November 29th, 2006 application, just adopt each indoor set is controlled by one and 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.Be and for example the 02137580.1 disclosed scheme of patent of invention specification of announcing on October 23rd, 2002 application and the application number of authorizing on September 26th, 2007, also to control to separately the flow of the refrigerant of each indoor set by the controller enforcement of controlling respectively each indoor set, thereby complete the assignment of traffic of multi-split air conditioner, and automatically regulate open degree and the refrigerant flow of electric expansion valve, 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 controlling separately, service precision is higher, but the relative usage parts are more, are that in 200610145015.2 application for a patent for invention Publication Specification, each indoor set of disclosed scheme all configures separately an electric expansion valve and and controls and transfer valve module 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 due to 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 too same problem in the 02137580.1 patent of invention specification of announcing.
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, manufacturing cost is high, pipeline connects complicated problem, refrigeration system for 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, because electric flow distributor has certain cumulative errors and because the vibrations of system can cause stepper motor step-out or leapfrog phenomenon once in a while to occur in 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, make the operation of 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 use, described shell is fixed with the coil component as the step motor stator part outward, be formed with a valve pocket in described shell, be provided with in valve pocket as the magnetic rotor component of stepper motor mover part and the action component that is driven by described magnetic rotor component, 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 be 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 be 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 part is arranged on described valve seat, and described retainer is arranged on described valve seat.
Optionally, the fixture of described electric flow distributor is a base member, and described retainer is arranged on described base member.
Preferably, described base member comprises base and a base plate, and described outlet is arranged on described base plate, is provided with the outlet through hole on described base, and the outlet on described base plate is connected with discharge connection by the outlet through hole on base.
Optionally, described retainer is arranged on described base plate.
Optionally, described retainer is arranged on described base.
Preferably, described base member comprises base, base plate, check plate, and described retainer is arranged on described check plate.
The present invention is by arranging at least one detent mechanism on electric flow distributor, can make the location of the interior movable part of electric flow distributor and the position between a plurality of outlet more accurate, make electric flow distributor can carry out exactly the smart allocation of flow to each outlet, make between each heat exchanger or 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 the efficient of whole system; 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 the first 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 the second 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 of Fig. 8: Fig. 7-A partial sectional view;
The B of Fig. 9: Fig. 7-B partial sectional view;
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 of Figure 12: Figure 11-A partial sectional view;
The B of Figure 13: Figure 11-B partial sectional view;
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 of Figure 14-C.
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 domestic air conditioning one and drag in many air-conditionings and novel heat exchanger and adopt the multi-group heat exchanger combination to carry out using in the system of heat exchange for improving systematic energy efficiency ratio.Below in conjunction with accompanying drawing, illustrate embodiments of the present invention:
As shown in Figure 1, Fig. 1 is the structural representation of the first 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 fixing and valve pocket 710 of common formation with shell 709a welded seal, also is provided with an import 702 and a plurality of outlet through hole on 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 step motor stator parts outward, described shell 709a, shell 709a outward fixing coil component 711, and base member consist of the fixed part of electric flow distributor.Can be provided as the retainer of detent mechanism on this fixed part such as base or base plate.
In this embodiment, base 714 is fixed by crimping with base plate 717, base plate is provided with a smooth flat 717a, match with base 714 in the position of base plate 717, outlet on base plate 717 is matched with outlet through hole on base, thereby a plurality of outlet 704a, 704b, the 704c that arrange on base plate 717 are connected with discharge connection 703a, 703b, 703c respectively.Base plate 717 part embeds base 714 and is fixed together by crimping, and base plate and base can also be by being embedded or the alternate manner such as spot welding is fixed in addition.
Valve pocket 710 is provided with as the magnetic rotor component 707 of stepper motor mover part and the action component that is driven by magnetic rotor component, action component comprises the 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, be provided with a breach on guiding valve 706, be used for the fixing driven rod of magnetic rotor component 707 supporting.This is partly the movable part that can rotate in valve pocket for magnetic rotor component 707 and action component, in this activity part as be provided with locator card locking mechanism as detent mechanism on magnetic rotor component or action component.
In this embodiment, retainer is to be fixed on the stop pin 715 on base 714 and to be set in Shock-proof sleeve 716 on stop pin 715; The locator card locking mechanism is the locating bar 718 that is fixed on magnetic rotor component, and locating bar 718 is fixing shaping together when the magnetic rotor component injection molded; The location when Shock-proof sleeve 716 1 on locating bar 718 and stop pin 715 and stop pin 715 is used from the electric flow distributor unlatching and the location in 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 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 control the time scale of a plurality of outlet 704a, 704b, 704c and valve pocket 710 conductings on base plate 717, thereby realize the distribution to flow between described a plurality of outlet 704a, 704b, 704c.
The control mode of system can adopt fuzzy control method, as, the requirement of the operating mode that the air-conditioning system temperature sensor 501,502 set according to the outlet position of the indoor heat converter that detects, 503 temperature and air-conditioning are set, the outlet temperature that judges which group in three groups of indoor heat converters is higher, send according to judged result and forward the outlet conduction position corresponding with this group heat exchanger to when corresponding control signal is rotated stepper motor, the flow of the outlet corresponding with this heat exchanger is increased; Another mode is that when forwarding near the outlet conduction position corresponding with this group heat exchanger when this stepper motor is rotated, corresponding velocity of rotation slows down, thereby the flow proportional of the cold-producing medium that flows out by this outlet is increased, thereby improve air-conditioning system to the supply of 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.
have certain cumulative errors when moving due to electric flow distributor, 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 magnetic rotor component of the mover of stepper motor part and require the position that arranges, thereby error or error that assignment of traffic occurs, therefore for solving the accurate positioning of stepper motor, generally can once reset when 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 have a locator card locking apparatus to be fixed location (not marking Reference numeral in figure) as the solenoid parts 711 of step motor stator part and as the phase place between the magnetic rotor component 707 of stepper motor mover part between coil component 711 and shell 709a.
During specific works, when magnetic rotor component 707 forwards locating bar 718 to and Shock-proof sleeve 716 on stop pin 715 contacts this position, both stop due to inconsistent, thereby complete 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 at regular intervals one-time positioning or reset, to guarantee the accurate positioning of the position between guiding valve and outlet.
then, electric flow distributor continuously carries out reciprocating rotation according to the pulse signal that system sends, drive simultaneously drive link and guiding valve 706 and constantly carry out reciprocating rotation, pass through each outlet 704a of guiding valve 706 conductings by control, 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 exporting by this 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 correspondingly passing through this conducting that exports 704a is corresponding longer, flow proportional by this outlet 704a is just corresponding higher, similarly, if the velocity of rotation when guiding valve passes through outlet 704a conducting is very fast, the time of 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 correspondingly the allocation proportion of the discharge connection 703a flow corresponding with outlet 704a is also just lower.In this embodiment, described base plate 717 adopts stamping processing.
In embodiment recited above, electric flow distributor is that the distribution of flow is carried out in three outlets, and this is not limitation of the present invention, and the outlet of electric flow distributor can be 2,3,4,5, and is even more.
In the embodiment that the above introduces, retainer is arranged on base, and correspondingly the locator card locking mechanism is arranged on magnet rotor, in actual use, retainer also can be arranged on base plate, the locator card locking mechanism can also be arranged on drive link or on 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 equal like this Function and operation that can realize detent mechanism.
The below is another embodiment, and as shown in Figure 3, Fig. 3 is the guiding valve of the second 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, in this embodiment, fixture is not base member 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; Also be provided with an import 702 and be welded with entrance sleeve 701 on the plane in the valve seat outside, also be provided with a stop pin 715 on the outer side plane of valve seat, be arranged with Shock-proof sleeve 716 outside stop pin, when Shock-proof sleeve 716 sheathed outside stop pin 715 and stop pin was arrived in locator card locking mechanism fixing on magnetic rotor component 718 conflicts, magnetic rotor component was completed the location.In this embodiment, other operation principle is all identical with embodiment described above with working method, 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 base member is the fixing and common valve pocket 112 that forms with the shell welded seal, valve pocket is fixed with the coil component 113 as the step motor stator part outward, the magnetic rotor component 109 that also is provided with in valve pocket as stepper motor mover part reaches the drive link 110 that is fixed together with magnetic rotor component and the guiding valve 108 that rotates under drive link and magnetic rotor component drive, relative with guiding valve 108 is base member to what arrange, 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 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 slightly larger bottom and smaller retainer, also be provided with a counterbore on base 106, 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, during the flexible member 115 that arranges under simultaneously with retainer 114 and retainer when base plate and base crimping is pressed into counterbore, make the retainer of retainer 114 be exposed to base plate, the bottom of retainer 114 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, counterbore shape on base 106 and the bottom shape of retainer 114 adapt simultaneously, the bottom of retainer 114 can move up and down in the counterbore of base 106 with not being offset.The retainer that is exposed to base plate of retainer 114 is with an inclined-plane 114a, flexible member 115 can the pressurizeds compression during to lower stress or when lateral stressed along the inclined-plane at retainer, 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, be provided with one as the recess of locator card locking mechanism on the bottom surface relative with base plate and base of guiding valve 108, 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 just can not rotate again because the outer surface 114b of the retainer of the blocking surface 108b of guiding valve 108 and retainer 114 is inconsistent in the time of to the left, thereby the positioning function of realization.Namely at this moment guiding valve can only rotate to illustrated right direction, when electric flow distributor is worked, magnetic rotor component band movable pulley in less than the scope of 360 ° of angles reciprocating rotation or can be to the right always one direction rotate continuously, realize the distribution to outlet 105a, 105b flow.
The advantage of this embodiment is that magnetic rotor component can drive drive link and guiding valve carries out reciprocating rotation or a direction is rotated continuously, and when needs were located, carrying out counter-rotation, to arrive operating position corresponding to detent mechanism just passable.Flexible member recited above can be Compress Spring or elasticity block rubber such as silica gel piece etc. preferably.Select clockwise or counterclockwise can arrange according to system's needs during concrete enforcement.
The below is accompanying drawings another one embodiment again: Figure 10 is the structural representation of the 4th kind of embodiment of electric flow distributor of the present invention, 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, fixing and the common valve pocket 112 that forms as the base 106 in the base member of fixture and shell welded seal, valve pocket is fixed with the coil component 113 as the step motor stator part outward, the magnetic rotor component 109 that also is provided with in valve pocket as stepper motor mover part reaches the drive link 110 that is fixed together with magnetic rotor component and the guiding valve 108 that rotates under drive link and magnetic rotor component drive, relative with guiding valve 108 is base member to what arrange, 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 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 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 jut 114 ' f, correspondingly base plate is provided with a notch part corresponding with check plate 114 ', 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 equally the through hole corresponding with exporting 105a, 105b 114 ' C, 114 ' d on check plate 114 '.Check plate 114 ' jut 114 ' f is with the inclined-plane 114 ' a of a guiding, jut 114 ' f can be bent downwardly by pressurized during to lower stress or when lateral stressed along the inclined-plane at jut 114 ' f, jut 114 ' the f of check plate 114 ' can descend like this, simultaneously, be provided with one as the recess of locator card locking mechanism on the bottom surface relative with base plate and base of guiding valve 108, 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 just can not rotate again 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 in the time of to the left, be not affected fully to the right, thus the positioning function of realization.Namely at this moment guiding valve can only rotate to illustrated right direction, when electric flow distributor is worked, magnetic rotor component band movable pulley less than 360 ° of angles as the scope the angle of 300 ° in reciprocating rotation or can be to the right always one direction rotate continuously, realize the distribution to outlet 105a, 105b flow.Other operation principle of this embodiment and mode are no longer repeated here with top embodiment.
Generally, if the negligible amounts of outlet, the angle of rotating can be smaller, reciprocating rotation back and forth preferably, as only having the situation of 2 outlets in the present embodiment, rotational angle as long as at 120 ° with interior just fully enough; And if export volume is more, have 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 is all 2, and this is the convenience in order to describe just, is not the restriction to export volume.
Equally, the entrance sleeve of mentioning in the present invention, discharge connection are not limited to straight adapter, and can be an end belt lacing or the two ends various ways such as adapter not of uniform size, i.e. the middle pipe fitting that the connection use of through hole is arranged.
In addition, the entrance sleeve of described electric flow distributor is not limited to be connected to the below of described electric flow distributor, entrance sleeve can also be connected to the peripheral side of shell, also be not limited to and be connected on described valve seat or base, entrance sleeve can also directly be connected on shell, and is corresponding proper when more in outlet like this.
In sum, electric flow distributor of the present invention, can realize the purpose that between a plurality of pipelines, flow quantity intelligent distributes, the refrigerant flow of system is reasonably distributed, heat exchanger or efficiency of heat exchanger are not fully exerted, and avoid the wasting problem of mass flow discrepancy weighing apparatus between much more original group heat exchangers, adopt simultaneously the mode that a detent mechanism is set, make magnetic rotor component, guiding valve and correspondingly can correctly locate between outlet, thereby guaranteeing the flow between the distribution outlet exactly.
The above is only 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 (8)
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 use, described shell is fixed with the coil component as the step motor stator part outward, be formed with a valve pocket in described shell, be provided with in valve pocket as the magnetic rotor component of stepper motor mover part and the action component that is driven by described magnetic rotor component, 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 be provided with a detent mechanism in described valve pocket, described electric flow distributor comprises that also one is used for forming fixture described valve pocket and that be fixedly connected with described shell with described shell, described detent mechanism comprises a fixing retainer, described detent mechanism also comprises a locator card locking mechanism that is arranged on magnetic rotor component or action component, and described retainer and locator card locking mechanism are equipped with corresponding an inclined-plane and a blocking surface.
2. electric flow distributor as claimed in claim 1, is characterized in that described action component comprises drive link and guiding valve.
3. as the claim 1～2 described electric flow distributor of any one wherein, it is characterized in that described fixture is a valve seat, described outlet is arranged on or part is arranged on described valve seat, and described retainer is arranged on described valve seat.
4. electric flow distributor as claimed in claim 1, the fixture that it is characterized in that described electric flow distributor is a base member, described retainer is arranged on described base member.
5. electric flow distributor as claimed in claim 4, it is characterized in that described base member comprises base and a base plate, described outlet is arranged on described base plate, is provided with the outlet through hole on described base, and the outlet on described base plate is connected with discharge connection by the outlet through hole on base.
6. electric flow distributor as claimed in claim 5, is characterized in that described retainer is arranged on described base plate.
7. electric flow distributor as claimed in claim 5, is characterized in that described retainer is arranged on described base.
8. electric flow distributor as claimed in claim 4, is characterized in that described base member comprises base, base plate, check plate, and described retainer is arranged on 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 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810176230 CN101762120B (en) | 2008-11-14 | 2008-11-14 | Electric flow distributor |
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| CN101762120A CN101762120A (en) | 2010-06-30 |
| CN101762120B true CN101762120B (en) | 2013-06-19 |
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| CN 200810176230 Active CN101762120B (en) | 2008-11-14 | 2008-11-14 | Electric flow distributor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3864938A (en) * | 1973-09-25 | 1975-02-11 | Carrier Corp | Refrigerant flow control device |
| CN1375650A (en) * | 2001-03-16 | 2002-10-23 | 太平洋工业株式会社 | Control valve |
| CN1751198A (en) * | 2003-02-14 | 2006-03-22 | 株式会社鹭宫制作所 | Electric-type control valve |
| CN1971111A (en) * | 2005-11-25 | 2007-05-30 | 浙江三花制冷集团有限公司 | Electric switch valve and refrigerating cycle for freezing refrigerator |
| CN101230928A (en) * | 2007-01-26 | 2008-07-30 | 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
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3864938A (en) * | 1973-09-25 | 1975-02-11 | Carrier Corp | Refrigerant flow control device |
| CN1375650A (en) * | 2001-03-16 | 2002-10-23 | 太平洋工业株式会社 | Control valve |
| CN1751198A (en) * | 2003-02-14 | 2006-03-22 | 株式会社鹭宫制作所 | Electric-type control valve |
| CN1971111A (en) * | 2005-11-25 | 2007-05-30 | 浙江三花制冷集团有限公司 | Electric switch valve and refrigerating cycle for freezing refrigerator |
| CN101230928A (en) * | 2007-01-26 | 2008-07-30 | 浙江三花制冷集团有限公司 | Electric switching valve and refrigerator refrigerating cycle device |
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| CN101762120A (en) | 2010-06-30 |
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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. |