CN100443789C - Electro switching valve - Google Patents
Electro switching valve Download PDFInfo
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- CN100443789C CN100443789C CNB2005100602100A CN200510060210A CN100443789C CN 100443789 C CN100443789 C CN 100443789C CN B2005100602100 A CNB2005100602100 A CN B2005100602100A CN 200510060210 A CN200510060210 A CN 200510060210A CN 100443789 C CN100443789 C CN 100443789C
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Abstract
An electric switching valve for controlling the flow direction of the refrigerant in refrigerating systems of dual-temperature double-control refrigerators comprises a valve cavity, a leading-in port in communication with the above valve cavity and a magnetic rotor member set in the valve cavity rotating by the step driving of a magnetizing exciter. At each end of the above valve cavity is disposed a smooth bottom separately and on each bottom is set at least a leading-out port. At each end of the rotor member is disposed a slider fitted with the smooth bottom for switching the on-off state of the leading-out port.
Description
Technical field
The present invention relates to a kind of freezing, cold storage refrigerator dynamoelectric switching valve.
Background technique
Small refrigeration systems is used for freezing, the cold storage refrigerator of double temperature double control with two-position three way magnetic valve (standard No. is JB/T7223-1994), application 1 more than 0 year at home, this solenoid valve as shown in Figure 5:
It has an import d1 and two outlets d2, d5;
Solenoid valve has an outlet d2 to be in normally off when the no electric circuit state, and another outlet d5 is in normally open, after the solenoid valve energising, often leaves a mouthful d5 and closes, and normally closed outlet d2 opens, by the open and-shut mode of power on/off switching solenoid valve two outlets;
The open and-shut mode of electromagnetic valve outlet is to realize its function by the working position of control electromagnetic valve spool d4, the no electric circuit state, spool d4 is in a working position under the effect of spring d6, close normally closed outlet, and another outlet is in normally open, after the coil d3 energising, electromagnetic force drives the pressure difference active force that spool overcomes spring force and air pressure, and spool moves to another working position, when this working position, normally closed outer pipe is opened, and often drives outer pipe and closes;
The driving mode of valve core of the electromagnetic valve is the direct drive-type of electromagnetic force, and spool moved with two end valve seats and directly clashes into when power on/off was switched, and can produce heavier Strike note in the handoff procedure;
Solenoid valve has a kind of working state to switch on always, arrives 4-6W though reduce the power consumption of solenoid valve as far as possible, and in actual use, the energy consumption of solenoid valve still accounts for the 4-6% of energy consumption of refrigerator.
Because the energy consumption and the impact noise of solenoid valve are bigger than normal, begin to adopt bistable electromagnetic valve to replace its application in recent years, from functional characteristic, bistable valve is the same with the function that above-mentioned valve is realized, it mainly is the power consumption that has reduced solenoid valve, the spool action remains direct dynamic structure, impact noise has improvement slightly, working control only can make the Strike note sound control built in less than 55dB (A), and the noise of freezer compressor has been controlled at less than 40dB (A), and the action noise of solenoid valve can't satisfy the requirement of refrigerator.
Adopt freezing, the cold storage refrigerator of double temperature double control of two-position three way magnetic valve, the effect of solenoid valve is the circulating direction that switches through refrigeration agent behind condenser, the filter, and typically link circuit is as shown in Figure 1:
Solenoid valve often leave mouth → refrigerator evaporator → freezer evaporator → return compressor;
Normally closed outlet → the freezer evaporator of solenoid valve → time compressor.
For above-mentioned refrigeration system; because solenoid valve has an outlet to be in opening state all the time; all reach when temperature is set in refrigeration and freezer temperature; compressor shutdown; actual after compressor shutdown; also accumulating in the condenser has more refrigeration agent; this part refrigeration agent is because solenoid valve has an outlet to be in open mode all the time; refrigeration agent also can flow into refrigerator evaporator or freezer evaporator and continue evaporation; the true temperature of cold storage room or refrigerating chamber is lower than temperature is set; not only influence the accurate temperature controlling of refrigeration system, and the waste energy consumption, increased freezing; the refrigerating box energy consumption.
Publication number has been for the Chinese invention patent prospectus of CN1388876A provides a kind of electromagnetic switching valve, make the high-performance of refrigerating and cold storage refrigerator and energy saving more height and deposit, this switching valve is provided with:
Valve pocket; Have with an introducing port of aforementioned valve pocket normal open, and with the valve chest of a plurality of export interfaces that are separated from each other the position upper shed of the planar bottom surface of aforementioned valve pocket;
With valve body is set with can turning round displacement in aforementioned valve pocket, described valve body with the aforementioned bottom surface opposing end faces of aforementioned valve pocket on, have aforementioned valve pocket and aforementioned export interface are connected the switch part shape of disconnection, and the connection disconnection of the aforementioned relatively export interface of aforementioned interface switch shape portion is switched by the revolution displacement;
Drive the rotating electrodynamic type magnetizing exciter of aforementioned valve body with substep.
Yet, it is arranged on all export mouths on the planar bottom surface of valve pocket, be subjected to the restriction of planar bottom surface area, position relation between each export mouth must be very accurate, this has increased difficulty of processing undoubtedly, and under the prerequisite that does not increase the planar bottom surface area, in the requirement that is difficult to satisfy the bigger refrigeration system of some MEDIA FLOW flux.Dynamic balance performance when in addition, the valve body that is driven step by step by the electrodynamic type magnetizing exciter turns round in valve pocket is poor; And realization switch part shape is connected the structure more complicated of disconnection to valve pocket and export mouth, and the processing request of each member and assembly relation are each other had relatively high expectations equally.
Summary of the invention
The technical assignment of the technical problem to be solved in the present invention and proposition is to overcome defectives such as the existing in prior technology difficulty of processing is big, running balance quality difference, and a kind of new dynamoelectric switching valve is provided.For this reason, the present invention takes following technical proposals:
A kind of dynamoelectric switching valve, comprise valve pocket, with an introducing port of described valve pocket normal open and be positioned at described valve pocket and borrow the magnetic rotor component that drives magnetizing exciter step by step and turn round displacement, the two ends that it is characterized in that described valve pocket are provided with a planar bottom surface respectively, an export mouth is set on each planar bottom surface at least, a slide block that is sealed and matched with described planar bottom surface that turn round displacement with it respectively is set at the two ends of magnetic rotor component in order to switch the on off operating mode of described export mouth; Described magnetic rotor component is made of rotor that holds together and rotating shaft, and rotating shaft is supported between two planar bottom surface; Described slide block to be can rotating and can axially movable mode be sleeved in the described rotating shaft with described rotating shaft, and the two dorsad a side of corresponding planar bottom surface be supported with spring.
As the further of technique scheme improved and replenish, its structure more is tending towards rationally, simplified manufacturing technique, the present invention also comprises following additional technical feature:
Described valve pocket is to form at the two ends of sleeve pipe shutoff valve seat; Described planar bottom surface branch is located at the inner of two valve seats.
Be provided with limit structure between described magnetic rotor component and the arbitrary valve seat.
Described limit structure comprises and is fixed on the stop part on the described valve seat and is arranged on the limited part that can be stopped by described stop part on the described magnetic rotor component, and described stop part or limited part are provided with shock absorber.
Described substep driving magnetizing exciter is set in described outside of sleeve and the locating stud outside described sleeve pipe and valve seat is assemblied on the mounting bracket.
Be arranged with in the described rotating shaft and be beneficial to the axle sleeve that it rotates flexibly.
Described magnetic rotor component two ends are provided with recess, and described spring housing is between in the described rotating shaft and the bottom that is supported on this recess and corresponding slide block.
Offer the through hole that each position of described valve pocket is communicated with each other on the described magnetic rotor component.
The present invention is provided with a planar bottom surface respectively by the two ends at valve pocket, export mouth is split on each planar bottom surface, thereby reduction difficulty of processing, especially under the prerequisite that does not increase the planar bottom surface area, the bore that is beneficial to the expansion export mouth is to satisfy the requirement of the bigger refrigeration system of some MEDIA FLOW flux; Further, the structure based on export mouth being split on two planar bottom surface at valve pocket two ends makes the rotary balance of magnetic rotor component be improved; And the structural design of this symmetric type makes some form member and has versatility, reduces the pressure in the member processing.
The most basic, this dynamoelectric switching valve adopts revolution displacement mode to drive, and the driving of driving mode and solenoid valve is obviously different, has eliminated the impact noise of valve core of the electromagnetic valve action, the action noise can be lower than the operational noise of compressor, can be controlled at apart from the 30cm distance less than in the 30dB (A); Energising can be stopped after the dynamoelectric switching valve working state is switched, stable working state can be guaranteed equally; Adopt dynamoelectric switching valve to reduce the energy consumption of valve self; This programme can change the relative position of two slide blocks and two controls of export by actual demand, increases the working state of two outlets, as opening simultaneously and closing simultaneously:
To be used for the double temperature double control refrigerator be example to substitute two-position three way magnetic valve, increase open simultaneously and close two kinds of working staties simultaneously after, by the adjustment to control, the refrigeration system medium can flow in the following manner:
Switching valve outlet 1 is left: electromagnetic valve outlet 1 → refrigerator evaporator → freezer evaporator → time compressor;
Switching valve outlet 2 is left: electromagnetic valve outlet 2 → freezer evaporator → time compressor;
Open simultaneously: electromagnetic valve outlet 1 → refrigerator evaporator → freezer evaporator → time compressor; Electromagnetic valve outlet 2 → freezer evaporator → time compressor;
Close simultaneously: not by the outside output medium of switching valve.
As mentioned above, relatively the work compound mode of two-position three way magnetic valve has increased and has opened simultaneously and close simultaneously, has opened in when refrigeration system starts simultaneously, freezes at full capacity; After simultaneously closed condition makes that refrigeration system is freezing, cold storage room reaches the control point compressor shutdown; cut off refrigerant flow direction refrigeration or freezer evaporator in the condenser; not only reduced loss; and this part refrigeration agent of switching by valve can be used for adjusting the temperature of control cold storage room and refrigerating chamber, and prolonged the start/stop time of compressor.This shows that present design implements not only to have reduced the noise and the energy consumption of valve self, more can optimize refrigeration system simultaneously, improve the temperature-controlled precision of refrigeration system, and reduce the energy consumption of system.
Description of drawings
Fig. 1 is that double temperature double control is freezing, the refrigerating system figure of cold storage refrigerator;
Fig. 2 represents dynamoelectric switching valve internal anatomy of the present invention;
Fig. 3 represents dynamoelectric switching valve valve body parts internal anatomy of the present invention;
Fig. 4 represents four kinds of working state figures (representing along identical direction of sight);
Fig. 5 is the direct-acting type two-position three-way solenoid valve structural drawing.
Among the figure: 1. valve body parts, 11. sleeve pipes, 12a. valve seat, 12b. valve seat, 13a. planar bottom surface, 13b. planar bottom surface, 14. introducing ports, 15a. export mouth, 15b. export mouth, 16a. magnet rotor, 16b. rotating shaft, 17a. slide block, 17b. slide block, 18a. axle sleeve, 18b. axle sleeve, 19a. spring, 19b. spring; 2. substep drives magnetizing exciter, 3. mounting bracket; 4. position limit pin; 5. concave groove; 6. bump rubber; 7a. recess, 7b. recess; 8. through hole; 9. locating stud; 10. valve pocket; D1. import, the normally closed outlet of d2., d3. coil, d4. spool, d5. often leave mouth, d6 spring.
Embodiment
Dynamoelectric switching valve as shown in Figure 2, by valve body parts 1, substep drives magnetizing exciter 2 and mounting bracket 3 constitutes, wherein:
Valve body parts 1 as shown in Figure 3, be to form valve pocket 10 at the two ends of circular casing 11 welding seat 12a, 12b, driving two slide block 17a, 17b sealed sliding on two planar bottom surface 13a, 13b by magnetic rotor component 16a, 16b employs to switch the on off operating mode of two export mouth 15a, 15b: planar bottom surface 13a, 13b and is arranged on the inner of two valve seat 12a, 12b, and on a valve seat, only process an export mouth 15b, and on another valve seat, process another an export mouth 15a and an introducing port 14 (corresponding relation of two export mouths is as shown in Figure 4); Magnetic rotor component is made of rotor 16a that holds together and rotating shaft 16b, the two ends of rotating shaft 16b are assemblied in the axis hole at two valve seat 12a, 12b center by axle sleeve 18a, 18b, thereby make whole magnetic rotor component be able to rational support, and can rotate stably, axle sleeve is used to reduce the friction between rotating shaft and the valve seat; The external diameter of rotor 16a is as far as possible near sleeve pipe 11 internal diameters, so that drive magnetizing exciter 2 cooperatings with the substep of hereinafter addressing, each inwardly offers a recess 7a, 7b its two ends, is communicated with to guarantee the pressure medium balance between each position in the valve pocket 10 by through hole 8 between two recess 7a, the 7b; Two slide block 17a, 17b cooperate by key and can be sleeved in the rotating shaft (shape of two slide blocks and with the corresponding relation of two export mouths as shown in Figure 4) along the mode that rotating shaft 16b slides, and the spring 19a, the 19b that are positioned in recess 7a, the 7b are supported on corresponding planar bottom surface 13a, the 13b, slide block 17a, 17b are closely cooperated with certain pretightening force and planar bottom surface, prevent the valve internal leakage, reduce magnetic rotor component simultaneously and rotate the influence that slide block is cooperated with planar bottom surface; On a valve seat 12a fixed limit pin 4 as stop part and on position limit pin suit bump rubber 6, concave groove 5 is set on rotor 16a, concave groove 5 acts on the rotation angle that limits magnetic rotor component with position limit pin 4 and buffering block rubber 6, its initial spacing point is set, bump rubber can cushion the impact with magnetosheath, reduces the impact noise of initial state; Promptly form complete valve body parts in welding on export mouth, the introducing port after taking over, can drive the magnetizing exciter assembling with substep afterwards.
Substep drives magnetizing exciter 2 no particular design parts, and it is sleeved on the sleeve pipe 11 to cooperate with magnetic rotor component in the valve pocket 10 and utilizes the stepper motor principle to drive magnetic rotor component according to the rotation of setting movement range when introducing electric current.
The outer locating stud 9 of substep driving magnetizing exciter valve body parts that will be sleeved at last together is assemblied on the mounting bracket 3 together, and this mounting bracket also is used for dynamoelectric switching valve installing and fixing in refrigeration system.
During work, dynamoelectric switching valve is connected in the refrigeration system, drives magnetizing exciter to substep and introduce electric current, magnetic rotor component is synchronous drive two slide blocks according to setting the action revolution, in first working state of initial position setting shown in Fig. 4 (a), two export mouth 15a, 15b all are in opening state; Drive two slide blocks afterwards to second working state shown in Fig. 4 (b), an export mouth 15a still is in opening state, and another export mouth 15b then is in closed condition; Continue synchronous drive two slide blocks to the 3rd working state shown in Fig. 4 (c), two export mouth 15a, 15b all are in closed condition; When driving two slide blocks to the 4th working state shown in Fig. 4 (d) again, two export mouths are changed state, with opposite shown in Fig. 4 (b).Above-mentioned one of four states can remain on corresponding state as requested, and the conversion between each state is can be by instantaneous can the finishing of mode of jumping.
This concrete true mode focus on structure and the structure of describing the claimed scheme product of patent, and annexation and Placement between each component part of wherein addressing according to actual production technology, can change; Especially in the literary composition each component part address order, be to adopt in order to know description scheme and structure, the practical set process of representative products not.
Claims (8)
1, a kind of dynamoelectric switching valve, comprise valve pocket (10), with the introducing port (14) of described valve pocket (10) normal open and be positioned at described valve pocket (10) and borrow substep to drive magnetizing exciter (2) and the magnetic rotor component (16a of revolution displacement, 16b), the two ends that it is characterized in that described valve pocket (10) are provided with a planar bottom surface (13a respectively, 13b), an export mouth (15a is set on each planar bottom surface at least, 15b), at described magnetic rotor component (16a, two ends 16b) respectively are provided with a slide block (17a who is sealed and matched with described planar bottom surface that turn round displacement with it, 17b) in order to switch described export mouth (15a, on off operating mode 15b); Described magnetic rotor component is made of rotor that holds together (16a) and rotating shaft (16b), and rotating shaft (16b) is supported between two planar bottom surface; Described slide block (17a, 17b) to be can rotating and can axially movable mode be sleeved in the described rotating shaft (16b) with described rotating shaft (16b), and is supported with spring (19a, 19b) in a side of the two corresponding dorsad planar bottom surface (13a, 13b).
2, dynamoelectric switching valve according to claim 1 is characterized in that described valve pocket (10) is two ends shutoff valve seat (12a, the 12b) formation at sleeve pipe (11); Described planar bottom surface (13a, 13b) is divided the inner that is located at two valve seats (12a, 12b).
3, dynamoelectric switching valve according to claim 2 is characterized in that being provided with limit structure between described magnetic rotor component (16a, 16b) and the arbitrary valve seat.
4, dynamoelectric switching valve according to claim 3, it is characterized in that described limit structure comprises the stop part (4) that is fixed on the described valve seat and is arranged on the limited part (5) that can be stopped by described stop part on the described magnetic rotor component, and described stop part (4) or limited part (5) are provided with shock absorber (6).
5, dynamoelectric switching valve according to claim 2 is characterized in that described substep driving magnetizing exciter (2) is set in described sleeve pipe (11) outside and the locating stud (9) outside described sleeve pipe and valve seat is assemblied on the mounting bracket (3).
6, dynamoelectric switching valve according to claim 1 is characterized in that described rotating shaft (16b) two ends are arranged with the axle sleeve (18a, 18b) that is beneficial to its flexible rotation.
7, dynamoelectric switching valve according to claim 1 is characterized in that described magnetic rotor component (16a, 16b) two ends are provided with recess (7a, 7b), and described spring housing is between in the described rotating shaft and the bottom that is supported on this recess and corresponding slide block.
8, dynamoelectric switching valve according to claim 1 is characterized in that offering on the described magnetic rotor component (16a, 16b) through hole (8) that each position of described valve pocket is communicated with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100602100A CN100443789C (en) | 2005-07-29 | 2005-07-29 | Electro switching valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100602100A CN100443789C (en) | 2005-07-29 | 2005-07-29 | Electro switching valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1904444A CN1904444A (en) | 2007-01-31 |
| CN100443789C true CN100443789C (en) | 2008-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100602100A Active CN100443789C (en) | 2005-07-29 | 2005-07-29 | Electro switching valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100443789C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207211A (en) * | 2010-03-29 | 2011-10-05 | 浙江三花制冷集团有限公司 | Electromagnetic switching valve and multi-cycle refrigeration system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6446198B2 (en) * | 2014-08-07 | 2018-12-26 | 日本電産サンキョー株式会社 | Valve device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06174118A (en) * | 1992-11-30 | 1994-06-24 | Toto Ltd | Fluid valve |
| JPH08178093A (en) * | 1994-12-27 | 1996-07-12 | Nippondenso Co Ltd | Flow control valve and hot water type heating device using it |
| US5690144A (en) * | 1994-11-04 | 1997-11-25 | Ranco Japan Ltd. | Directional control valve for switching the mode of operation in a heat transfer system |
| US5957377A (en) * | 1994-06-17 | 1999-09-28 | Nippondenso Co., Ltd. | Flow control valve and hot-water type heater apparatus employing the same |
| CN1374470A (en) * | 2001-03-02 | 2002-10-16 | 太平洋工业株式会社 | Electric flow control valve |
| US6491063B1 (en) * | 1997-09-17 | 2002-12-10 | Ben-Ro Industry And Development Ltd. | Valve assembly and airconditioning system including same |
| CN1388876A (en) * | 2000-08-11 | 2003-01-01 | 株式会社鹭宫制作所 | Motor-operated selector valve and refrigerating cycle device of refrigerator-freezer |
-
2005
- 2005-07-29 CN CNB2005100602100A patent/CN100443789C/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06174118A (en) * | 1992-11-30 | 1994-06-24 | Toto Ltd | Fluid valve |
| US5957377A (en) * | 1994-06-17 | 1999-09-28 | Nippondenso Co., Ltd. | Flow control valve and hot-water type heater apparatus employing the same |
| US5690144A (en) * | 1994-11-04 | 1997-11-25 | Ranco Japan Ltd. | Directional control valve for switching the mode of operation in a heat transfer system |
| JPH08178093A (en) * | 1994-12-27 | 1996-07-12 | Nippondenso Co Ltd | Flow control valve and hot water type heating device using it |
| US6491063B1 (en) * | 1997-09-17 | 2002-12-10 | Ben-Ro Industry And Development Ltd. | Valve assembly and airconditioning system including same |
| CN1388876A (en) * | 2000-08-11 | 2003-01-01 | 株式会社鹭宫制作所 | Motor-operated selector valve and refrigerating cycle device of refrigerator-freezer |
| CN1374470A (en) * | 2001-03-02 | 2002-10-16 | 太平洋工业株式会社 | Electric flow control valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207211A (en) * | 2010-03-29 | 2011-10-05 | 浙江三花制冷集团有限公司 | Electromagnetic switching valve and multi-cycle refrigeration system |
| CN102207211B (en) * | 2010-03-29 | 2014-07-16 | 浙江三花制冷集团有限公司 | Electromagnetic switching valve and multi-cycle refrigeration system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1904444A (en) | 2007-01-31 |
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Owner name: ZHEJIANG SANHUA GROUP CO., LTD. Free format text: FORMER OWNER: SANHUA REFRIGERATION GROUP CO., LTD., ZHEJANG Effective date: 20140624 |
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Effective date of registration: 20140624 Address after: 312500 Zhejiang city of Shaoxing province Xinchang County Chengguan town of Liquan Patentee after: Zhejiang Sanhua Group Co., Ltd. Address before: 312500 Zhejiang County in Xinchang Province town of Liquan Patentee before: Sanhua Refrigeration Group Co., Ltd., Zhejang |
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Address after: 312500 Xinchang, Zhejiang Qixing street under the Liquan Patentee after: Zhejiang three flower intelligent control Limited by Share Ltd Address before: 312500 Zhejiang city of Shaoxing province Xinchang County Chengguan town of Liquan Patentee before: Zhejiang Sanhua Group Co., Ltd. |