CN101230928A - Electric switching valve and refrigerator refrigerating cycle device - Google Patents
Electric switching valve and refrigerator refrigerating cycle device Download PDFInfo
- Publication number
- CN101230928A CN101230928A CNA2007100669773A CN200710066977A CN101230928A CN 101230928 A CN101230928 A CN 101230928A CN A2007100669773 A CNA2007100669773 A CN A2007100669773A CN 200710066977 A CN200710066977 A CN 200710066977A CN 101230928 A CN101230928 A CN 101230928A
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- switching valve
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- dynamoelectric switching
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Abstract
The invention relates to an electric switching valve which belongs to the refrigeration technology, and the prior technology has the defects of complex component structure, big noise, poor capacity of resisting disturbance, etc. The invention comprises a valve cavity, a magnetic rotor part which is arranged in the valve cavity and rotates and shifts under the function of driving force, a slide block which is arranged in the valve cavity and is driven by the magnetic rotor part and a step motor which provides the driving force, wherein, an introduction port and a flat bottom surface arranged on a valve seat of the valve cavity, and three derivation ports are arranged on the flat bottom surface; the slide block is sealed and attached on the flat bottom surface, and the step motor controls the slide block to simultaneously close the three derivation ports at one position and to open the three derivation ports respectively at another three positions. The proposal adopts a way of rotating and shifting to drive, and action noise can be controlled within 30dB (A) at a distance of 30cm, and after the working state is switched, the electrifying is stopped. A magnetic pole of a motor and a magnetic rotor of the step motor can ensure the stability of the working state, which decreases the self energy consumption of the valve.
Description
Technical field
The invention belongs to refrigeration technology, freezing specifically, alternating temperature refrigerator is with electrically operated switch-over valve and cooling cycle system of refrigerator.
Background technique
Along with the raising of people's living standard and the development of refrigerator technology, refrigerator is provided with the main product that becomes domestic high-end refrigerator with 0 ℃ of fresh-keeping ,-7 ℃ of ice milk district or the refrigerator that is provided with adjustable band alternating temperature district function.
The technology that existing such refrigerator adopts mainly is to adopt two bistable state two-position three way magnetic valve serial connections as shown in Figure 1, realize the increase of warm area, the function of two bistable state two-position three way magnetic valve serial connection assembly valves realization is: an import, three outlets have the functions that three outlets are opened separately.
Refrigerator refrigeration system shown in Figure 1 has increased an alternating temperature district vaporizer (0 ℃ of fresh-keeping ,-7 ℃ of ice milk district refrigerator also can be set), has used two bistable electromagnetic valve serial connections in the refrigeration system, and it is as follows to have three kinds of refrigerating operaton patterns:
Legend refrigeration system refrigerator evaporator or temperature-changing chamber vaporizer also can be made into and other two structures that vaporizer is in parallel.
The existing shortcoming that adopts two bistable state two-position three way magnetic valve serial connection component application mainly to exist is as follows:
The modular construction complexity, it is big to take refrigerator space;
Bistable electromagnetic valve events noise is big, adopts two solenoid valve rear electromagnetic valve operating frequencies to increase, and noise becomes the key that influences the refrigerator quality;
Bistable electromagnetic valve adopt similar interchange half-wave pulse drive, the anti-dried ability of scratching needs periodically to increase keep the pulse mistake proofing, applies periodic pulse brings the noise aspect again to refrigerator quality influence.
Summary of the invention
The technical assignment of the technical problem to be solved in the present invention and proposition is to overcome big, the anti-dried defective such as ability of scratching of modular construction complexity, noise that prior art exists, and a kind of dynamoelectric switching valve and refrigerator refrigerating cycle apparatus are provided.For this reason, the present invention is by the following technical solutions:
Dynamoelectric switching valve is characterized in that comprising: valve pocket, be provided with a normal open introducing port and a planar bottom surface on the valve seat of this valve pocket, and planar bottom surface is provided with three export mouths; Be arranged at the magnetic rotor component in the valve pocket in driving force effect turning down displacement; Be arranged at the slide block by the magnetic rotor component drive in the valve pocket, this slide block sealing paste is combined on the described planar bottom surface; With the coil component that described driving force is provided, this coil component and magnetic rotor component constitute the described slide block of step motor control closes three export mouths simultaneously a position, respectively three export mouths is opened separately in other three positions.
As the further of above-mentioned dynamoelectric switching valve improved and replenish, the present invention also comprises following additional technical feature:
Be provided with on the described slide block one only can with a conductive channel that is communicated with in described three export mouths.
Described conductive channel is the hole that is opened on the slide block.
Described conductive channel is the groove that is opened on the slide block.
Described magnetic rotor component is supported in the described valve pocket by rotating shaft, and described slide block is connected in the rotating shaft.
Be connected with keyway by key in axial sliding between described slide block and the rotating shaft, and between slide block and magnetic rotor component, be supported with pressure spring.Be used to guarantee being sealed and matched between slide block and the planar bottom surface.Promptly realize the preload pressure between each planar bottom surface on slide block and the valve seat, to reach control to leakage rate by length of spring compressed.
The contacting part that described rotating shaft is positioned at described magnetic rotor component and valve pocket outer cover is provided with the axle sleeve of a band conical surface, at outer cover and axle sleeve contacting part one concavity mechanism is set.Under the spring force effect that is provided with between magnet rotor and slide block, making between magnetic rotor component and outer cover has self-centering action.
Between described valve seat and magnetic rotor component, be provided with stopper, shock absorber is installed on stopper.Be used to reduce the starting point operational noise.
Described slide block adopts PPS or PTFE material.
A kind of refrigerator refrigerating cycle apparatus, it is characterized in that comprising compressor, condenser, device for drying and filtering that the flow direction according to refrigeration agent connects successively, this device for drying and filtering is connected with a normal open introducing port of a dynamoelectric switching valve again, and connect refrigeration capillary tube, alternating temperature district capillary tube, freeze space capillary tube respectively by three export mouths of this dynamoelectric switching valve, each capillary tube connects corresponding vaporizer respectively, is connected to the input end of compressor again through each vaporizer by pipeline; Described dynamoelectric switching valve is closed three export mouths a position simultaneously by its slide block of step motor control, respectively three export mouths is opened separately in other three positions.
The invention has the beneficial effects as follows:
The driving of dynamoelectric switching valve driving mode and solenoid valve is obviously different, eliminated the impact noise of valve core of the electromagnetic valve action, electrically operated switch-over valve adopts revolution displacement mode to drive, and 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); Can stop energising after the dynamoelectric switching valve working state is switched, motor pole and the self-sustaining of stepper motor magnet rotor can guarantee stable working state, adopt dynamoelectric switching valve to reduce the energy consumption of valve self.
Described refrigerator refrigerating cycle apparatus; except that utilizing the independent open system of each export mouth to have three kinds of cooling operation patterns; setting has the pattern that the export mouth full cut-off is closed; this pattern each warm area refrigeration reach the temperature compressor shutdown is set after; dynamoelectric switching valve dams the refrigeration agent of hypersaturated state in the condenser in condenser; surpass when temperature is set in each warm area temperature; can open refrigerating circuit by a kind of pattern of corresponding refrigeration in above-mentioned three kinds of operation modes by dynamoelectric switching valve; regulate the cryogenic temperature state of each warm area; the refrigeration agent that dams in condenser discharges evaporation fully; when reducing, just opens system temperature compressor again; prolong the compressor startup-shutdown and reduce the complete machine energy consumption blanking time, also can utilize dynamoelectric switching valve full cut-off function to implement pressurize and cut down the consumption of energy.
Description of drawings
Fig. 1 is existing band alternating temperature district refrigerator refrigeration system schematic representation.
Fig. 2 is the axial sectional structure schematic representation of dynamoelectric switching valve of the present invention.
Fig. 3 is the axial sectional structure schematic representation of dynamoelectric switching valve shown in Figure 2.
Fig. 4 (a), 4 (b) are a kind of structural representation of slide block of the present invention, and wherein 4 (b) are that the E-E of Fig. 4 (a) is to sectional view.
Fig. 5 (a), 5 (b) are the another kind of structural representation of slide block of the present invention, and wherein 5 (b) are that the K-K of Fig. 5 (a) is to sectional view.
Fig. 6 (a)～Fig. 6 (d) is four kinds of working staties of dynamoelectric switching valve of the present invention.
Fig. 7 switches the schematic representation of the working state of invention dynamoelectric switching valve to pulse that stepper motor applies.
Fig. 8 is applied to the schematic representation of cooling cycle system of refrigerator for dynamoelectric switching valve of the present invention.
Among the figure: the 1-compressor; The 2-condenser; The 3-device for drying and filtering; The 4-solenoid valve; The 5-solenoid valve; The freezing capillary tube of 6-; 7-alternating temperature capillary tube; 8-refrigerates capillary tube; The 9-refrigeration evaporator; 10-alternating temperature vaporizer; The 11-refrigerating evaporator; The 22-coil component; The 23-valve body parts; The 24-locating stud; The 25-valve pocket; The 30-valve base part; The 31-outer cover; The 32-magnetic rotor component; The 32a-magnet rotor; The 32b-rotating shaft; The 33-axle sleeve; The 34-spring; The 35-slide block; The 35a-sealing surface; The 35b-conductive channel; The 36-valve seat; The 36a-planar bottom surface; The 37-yielding rubber; 38-stopper pin; The 39a/39b/39c-outer pipe; The 40-inlet tube; 50-compressor 51-condenser; The 52-device for drying and filtering; The 53-dynamoelectric switching valve; 54-valve B outlet; 55-valve C outlet; 56-valve D outlet; The freezing capillary tube of 57-; 58-alternating temperature capillary tube; 59-refrigerates capillary tube; The 60-refrigeration evaporator; 61-alternating temperature vaporizer; The 62-refrigerating evaporator; 63-normal open introducing port A.
Embodiment
Below in conjunction with Figure of description the present invention is described in further details.
As shown in Figure 2, dynamoelectric switching valve of the present invention mainly is made of three parts: coil component 22, valve body parts 23, locating stud 24.Valve body parts 23 is connected by locating stud member stationary positioned with coil component 22.
As shown in Figure 3, valve body parts 22 is the tubular structure parts that are made of valve base part 30 and outer cover 31, valve base part 30 is by valve seat 36, yielding rubber 37, stopper pin 38, outer pipe 39a, 39b, 39c, inlet tube 40 constitutes, inlet tube 40, outer pipe 39a, 39b, 39c and valve seat 36 adopt the soldering welding, valve seat is provided with a tabular surface 36a, on this face, be provided with three export mouths respectively with outer pipe 39a, 39b, 39c communicates, setting device stopper pin 38 adopts riveted fixing on valve seat 36 circular bead surfaces, yielding rubber spare 37 is enclosed within on the stopper pin 38, contact with valve seat 36 and the hook groove to be set on the valve seat of top to prevent that yielding rubber spare 37 from deviating from, with the rotation work scope of boss engagement limits magnetic rotor component 32 on the magnetic rotor component 32 and carry out starting point control; Be provided with magnetic rotor component 32 at valve base part 30 and 31 of outer covers, axle sleeve 33, spring 34, (detailed structure of slide block is seen Fig. 4 (a) to slide block 35,4 (b) or 5 (a), 5 (b), be provided with on it one only can with a conductive channel 35b who is communicated with in three export mouths, this conductive channel can be the hole that is opened on the slide block, also can be the groove that is opened on the slide block), magnetic rotor component 32 is made of magnet rotor 32a and axle 32b, between magnetic rotor component 32 and valve seat planar bottom surface 36a slide block 35 is set, spring 34 is arranged between slide block 35 and the magnetic rotor component 32, make between slide block 35 and valve seat planar bottom surface 36a preload pressure is arranged, the key that while slide block 35 is provided with on keyway and the magnetic rotor component 32 matches, and uses slide block 35 and magnetic rotor component 32 to rotate synchronously; The axle 32b of magnetic rotor component 32 is provided with the axle sleeve 33 of band tapering, and axle sleeve 33 adopts PPS or nylon or PTFE material, and the concave structure that is provided with outer cover 31 centers matches, and has self-alignment and the effect that reduces running noise; Slide block 35 sealing surface 35a are provided with leadout hole or groove class switching shape structure is implemented in the break-make control of working position to export mouth.
Apply as shown in Figure 7 pulse respectively to stepper motor, can realize four kinds of working staties shown in Fig. 6 (a)～Fig. 6 (d), specifically:
Apply 0 pulse (being initial state), make that dynamoelectric switching valve is in that the A → B shown in Fig. 6 (a) opens, A → C closes, the state that A → D closes:
Apply 18 pulses, make dynamoelectric switching valve be in that the A shown in Fig. 6 (b) → B closes, A → C opens, the state that A → D closes:
Apply 36 pulses, make dynamoelectric switching valve be in the A shown in Fig. 6 (c) → B pass, A → C pass, the state that A → D opens:
Apply 54 pulses, make dynamoelectric switching valve be in the A shown in Fig. 6 (d) → B pass, A → C pass, the state that A → D closes.
Be provided with by the invention described above structure, dynamoelectric switching valve of the present invention can substitute the function of two bistable state two-position three way magnetic valves, simultaneously can also increase the function that three outlets are closed simultaneously, utilize dynamoelectric switching valve structure of the present invention small and exquisite, it is little to take up room, simultaneously, reduced the action noise, working stability be improved (can eliminate and adopt the anti-shortcoming of doing flexible difference of bistable electromagnetic valve) owing to adopt DC12V voltage drive stepping motor.
Alternating temperature of the present invention district refrigerator refrigeration system is used dynamoelectric switching valve example of the present invention and is seen accompanying drawing 6, and application examples is as follows:
Legend 6 refrigerator refrigeration systems have increased an alternating temperature district vaporizer (0 ℃ of fresh-keeping ,-7 ℃ of ice milk district refrigerator also can be set), have used dynamoelectric switching valve of the present invention in the refrigeration system, and it is as follows to have three kinds of refrigerating operaton patterns:
Also have a kind of complete shut-down state in addition:
Refrigeration system refrigerator evaporator or temperature-changing chamber vaporizer also can be made into and other two structures that vaporizer is in parallel in the legend, also can being connected according to control break valve outlet port pipe and each vaporizer.
Claims (10)
1. dynamoelectric switching valve is characterized in that comprising:
Valve pocket (25) is provided with a normal open introducing port (A) and a planar bottom surface (36a) on the valve seat (30) of this valve pocket (25), planar bottom surface (36a) is provided with three export mouths (B, C, D);
Be arranged at the magnetic rotor component (32) in the valve pocket (25) in driving force effect turning down displacement;
Be arranged at the slide block (35) by magnetic rotor component (32) drive in the valve pocket (25), this slide block (35) sealing paste is combined on the described planar bottom surface (36a); With
The coil component (22) of described driving force is provided, this coil component (22) constitutes the described slide block of step motor control (35) with magnetic rotor component (32) closes three export mouths (B, C, D) simultaneously a position, respectively three export mouths (B, C, D) is opened separately in other three positions.
2. dynamoelectric switching valve according to claim 1 is characterized in that: be provided with on the described slide block one only can with the conductive channel that is communicated with (35b) in described three export mouths.
3. dynamoelectric switching valve according to claim 2 is characterized in that: described conductive channel (35b) is for being opened in the hole on the slide block.
4. dynamoelectric switching valve according to claim 2 is characterized in that: described conductive channel (35b) is for being opened in the groove on the slide block.
5. according to the described dynamoelectric switching valve of the arbitrary claim of 1-4, it is characterized in that: described magnetic rotor component (32) is supported in the described valve pocket (25) by rotating shaft (32b), and described slide block (35) is connected in the rotating shaft (32b).
6. dynamoelectric switching valve according to claim 5 is characterized in that: be connected with keyway by key in axial sliding between described slide block (35) and the rotating shaft (32b), and be supported with pressure spring (34) between slide block and magnetic rotor component.
7. dynamoelectric switching valve according to claim 5, it is characterized in that: the contacting part that described rotating shaft (32b) is positioned at described magnetic rotor component (32) and valve pocket outer cover (31) is provided with the axle sleeve (33) of a band conical surface, at outer cover (31) and axle sleeve (33) contacting part one concavity mechanism is set.
8. according to the described dynamoelectric switching valve of the arbitrary claim of 1-4, it is characterized in that: between described valve seat (36) and magnetic rotor component (32), be provided with stopper, shock absorber (37) is installed on stopper.
9. according to the described dynamoelectric switching valve of the arbitrary claim of 1-4, it is characterized in that: described slide block (35) adopts PPS or PTFE material.
10. refrigerator refrigerating cycle apparatus, it is characterized in that comprising the compressor (50) that the flow direction according to refrigeration agent connects successively, condenser (51), device for drying and filtering (52), this device for drying and filtering (52) is connected with a normal open introducing port (63) of a dynamoelectric switching valve (53) again, and by three export mouths (54 of this dynamoelectric switching valve, 55,56) connect refrigeration capillary tube (59) respectively, alternating temperature district capillary tube (58), freeze space capillary tube (57), each capillary tube connects corresponding vaporizer (60 respectively, 61,62), be connected to the input end of compressor (50) again through each vaporizer by pipeline; Described dynamoelectric switching valve is closed three export mouths (54,55,56) a position simultaneously by its slide block of step motor control, respectively three derivation (54,55,56) is opened separately in other three positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100669773A CN101230928B (en) | 2007-01-26 | 2007-01-26 | Electric switching valve and refrigerator refrigerating cycle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100669773A CN101230928B (en) | 2007-01-26 | 2007-01-26 | Electric switching valve and refrigerator refrigerating cycle device |
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| Publication Number | Publication Date |
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| CN101230928A true CN101230928A (en) | 2008-07-30 |
| CN101230928B CN101230928B (en) | 2010-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007100669773A Active CN101230928B (en) | 2007-01-26 | 2007-01-26 | Electric switching valve and refrigerator refrigerating cycle device |
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| CN101738021B (en) * | 2008-11-19 | 2012-08-15 | 浙江三花股份有限公司 | Electrical throttling distributor |
| CN101762126B (en) * | 2008-11-20 | 2013-06-19 | 浙江三花股份有限公司 | Electric throttling distributor |
| CN101749897B (en) * | 2008-12-01 | 2013-04-17 | 浙江三花股份有限公司 | Electric flow distributor mechanism |
| CN101749898B (en) * | 2008-12-10 | 2013-05-01 | 浙江三花股份有限公司 | Electric flow distributor mechanism |
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| CN102829216A (en) * | 2012-09-16 | 2012-12-19 | 合肥美菱股份有限公司 | Electrically operated valve for refrigerating system |
| US9683765B2 (en) | 2012-09-16 | 2017-06-20 | Hefei Meiling Co., Ltd | Electric valve and refrigerating system comprising the same |
| CN103574959A (en) * | 2013-11-04 | 2014-02-12 | 合肥华凌股份有限公司 | Refrigeration system of double-temperature refrigerator and double-temperature refrigerator |
| CN105422915A (en) * | 2014-09-18 | 2016-03-23 | 杭州三花研究院有限公司 | Electromagnetic control valve |
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| CN101230928B (en) | 2010-09-22 |
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Owner name: ZHEJIANG SANHUA GROUP CO., LTD. Free format text: FORMER OWNER: SANHUA REFRIGERATION GROUP CO., LTD., ZHEJANG Effective date: 20140619 |
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Effective date of registration: 20140619 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. |