CN1097504A - Automatic ice-making plant and be used for the tank of this device - Google Patents
Automatic ice-making plant and be used for the tank of this device Download PDFInfo
- Publication number
- CN1097504A CN1097504A CN94103238A CN94103238A CN1097504A CN 1097504 A CN1097504 A CN 1097504A CN 94103238 A CN94103238 A CN 94103238A CN 94103238 A CN94103238 A CN 94103238A CN 1097504 A CN1097504 A CN 1097504A
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- Prior art keywords
- water
- supply
- ice
- making
- storage dish
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C1/00—Producing ice
- F25C1/04—Producing ice by using stationary moulds
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C1/00—Producing ice
- F25C1/22—Construction of moulds; Filling devices for moulds
- F25C1/25—Filling devices for moulds
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C2400/00—Auxiliary features or devices for producing, working or handling ice
- F25C2400/10—Refrigerator units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C2400/00—Auxiliary features or devices for producing, working or handling ice
- F25C2400/14—Water supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2323/00—General constructional features not provided for in other groups of this subclass
- F25D2323/122—General constructional features not provided for in other groups of this subclass the refrigerator is characterised by a water tank for the water/ice dispenser
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Production, Working, Storing, Or Distribution Of Ice (AREA)
Abstract
The invention discloses a kind of automatic ice-making plant that can prevent to suspend airborne bacteria breed and scent of and the noise of device is reduced greatly.Water can be fed to constant amount in the ice-making disc, and an available simple structure confirms easily whether removable supply flume has been put appropriate, for this reason, the structure of this equipment is, interlocked valve is moved up make the water in the demand chamber in the supply flume to flow in the water storage dish by a driving mechanism with certain amount, then, make water in the water storage dish upwards suck delivery hose and be fed in the ice-making disc by a supply-water pump.
Description
The present invention relates to a kind of tank that can the automatic ice-making plant of ice making water is provided and be used for this device to ice-making disc.
Japanese patent application publication No. 3-137473 discloses the automatic ice-making plant of the above-mentioned type in the past, and its structure as shown in figure 42.
With reference to Figure 42, water tank 300 comprises a measuring vessel 301, a groove 302 and a cistern 303.Cistern 303 has the supply flume 308 of a band valve 304 and valve gap 305.Measuring vessel 301 comprises a motor 307 and a supply-water pump that has feed pipe 309 with impeller blade 306.
Because said structure, the water in the supply flume 308 can be flowed through valve 304 and is stored in the water tank 300, and water can be introduced in the measuring vessel 301 through valve gap 305 then.In water supply period, water is by being pumped out in the measuring vessel 301.At this moment, allow to flow through valve gap 305 owing to supply with the water of measuring vessel 301, so can reduce the flow of unit interval, therefore, the water in the measuring vessel 301 is with predetermined amount the supply system ice pan.
Though the water in the above-mentioned automatic ice-making plant can offer ice-making disc, and and whether be in vertical position irrelevantly between ice-making disc and the water supply installation, problem is because the structure of supply-water pump etc. makes totle drilling cost to reduce.Another shortcoming is to produce excessive noise.
That is to say that existing problem is that the motor 307 of supply-water pump between delivery period can produce rotational noise.What is worse, because motor 307 rotations are inhomogeneous, the error that occurs when refrigerator inclination that causes when laying refrigerator and build-up member etc. all can make measuring vessel 301 tilt.This inclination has changed water level, and the water yield that supplies water to ice-making disc is not conformed to the rules.
Structure traditional ice maker has as shown in figure 43 overcome above-mentioned shortcoming, and this device discloses Japan Patent and discloses in 3-221769 number.
This automatic ice-making plant has following structure: ice-making disc 312 is arranged in the ice-making compartment 310, and water supply unit 313 is arranged in the refrigerating chamber 311, and like this, the water in the supply flume 314 can offer ice-making disc 312 from water supply unit 313.
Specifically the ice-making disc 312 in the ice-making compartment 310 is rotated on the position that is lower than the water supply unit 313 in the refrigerating chamber 311, and ice-making disc 312 links to each other with water supply unit 313 by feed pipe 322.
A water inlet 317 is arranged at the top of water container 315, and water inlet 317 makes between cistern 323 and the water storage part 316 and is communicated with.In addition, a delivery port 318 is arranged at the bottom of water container 315, and this delivery port 318 makes between water storage part 316 and the feed pipe 322 and is communicated with.Water inlet 317 and delivery port 318 can be opened or close to utilization by an inlet valve 320 and an outlet valve 321 of solenoid 319 controls.
That is to say that solenoid 319 is controlled inlet valve 320 and outlet valve 321 by this way: delivery port 318 is closed when water inlet 317 is opened, and delivery port 318 is opened when water inlet 317 is closed.
Because said structure, the water of discharging from supply flume 314 temporarily is stored in the cistern 323, and subsequently, water can be introduced into water storage part 316 by water inlet 317.Outlet valve 321 cuts out owing to inlet valve 310 unlatchings at this moment, is stored in the water storage part 316 so introduce the water of water storage part 316, so just makes in the water storage part 316 to be full of water.When water was defeated by ice-making disc 312, electric coil 319 was energized, and outlet valve 321 is opened, and inlet valve 320 cuts out.Consequently have only the water in the water storage part 316 to be introduced in the ice-making disc 312, so just the water of scheduled volume can be offered ice-making disc 312 by feed pipe 322.
The automatic ice-making plant of the above-mentioned type comprises all that generally the tank that is used to detect the water supply checkout gear of whether finishing to tank water supply situation and ice making and is used to detect the situation that is provided with of supply flume is provided with checkout gear.
Figure 44 is the sectional drawing of refrigerator, and this refrigerator comprises that one has and is disclosed in the water supply checkout gear among the Japanese Utility Model publication number 2-128069 and is disclosed in the automatic ice-making plant that tank in open 1-136869 number of the Japanese Utility Model is provided with checkout gear.
With reference to Figure 44, Reference numeral 330 is represented refrigerating chamber.Supply flume 331 is arranged in this refrigerating chamber 330.Supply flume 331 is connected on the centrifugal supply-water pump 333 by a water storage dish 332.The feed pipe 334 that is connected on the ice-making disc 336 in the refrigerating chamber 335 is fixed on the supply-water pump 333.
Just, can utilize supply-water pump 333 that water is transported to ice-making disc 336 by feed pipe 334 subsequently because the structure that constitutes like this can temporarily be stored in the water storage dish 332 water in the supply flume 331.
Figure 45 is the perspective view that expression is arranged on the water supply checkout gear in the above-mentioned automatic ice-making plant.Water supply checkout gear 340 comprises that one is fixed on and is arranged in the refrigerator or the outer indicator lamp 342 of refrigerator near the temperature sensor 341 of ice-making disc 336 certain position in the refrigerating chamber 335 and one.
Specifically, when in ice-making disc 336 water supply operating process as not detecting temperature rise, then judge in the supply flume 331 anhydrously, thereby indicator lamp 342 is bright, thereby urges the user to supply water in supply flume 331.In supply flume 331 again behind the water-filling, indicator lamp 342 extinguishes the user.
Figure 46 is the schematic diagram that the explanation tank is provided with checkout gear.
With reference to Figure 46, on behalf of tank, Reference numeral 350 checkout gear is set.Tank is provided with checkout gear 350 and comprises that a band exposes the bar 355 that the switch 352 of button 351 and can rotate around pivot 353, and spring 354 hauls bar 355 towards the direction of button 351.
Because said structure, if do not place supply flume 331, then spring 354 makes bar 355 rotate along the direction of arrow indication, and like this, the right-hand member of bar 355 is pushed down button 351, and switch 352 is connected.Therefore, can detect and do not place supply flume 331.Otherwise if supply flume 331 has been placed, then bar 355 rotates along the contrary spring 345 of the rightabout of arrow indication.Therefore, the right-hand member of bar 355 and button 351 break away from, and switch 352 is disconnected.So can detect supply flume has been put appropriate.
Yet, be disclosed in open 3-221769 number of the Japan Patent and the automatic ice-making plant that constitutes in a manner described can make the water that is stored in the water container 323 contact with air.In these cases, be suspended in airborne bacterium and invade in the water of cistern 323, therefore have water to be clamminess or rancid danger.
In addition, the feed water inlet of supply flume 314 is too little, can't clean supply flume 314.So, not being used for a long time if be stored in the water of 314 li of supply flumes, solenoid 319 is energized then, and with antihygienic water the supply system ice pan 312 in the supply flume 314, this is extremely harmful.
What is worse, the water in the cistern can be caught the smell of food in the refrigerating chamber 311, and this can produce the problem of odour nuisance with regard to causing the ice of making.
Comprise being disclosed in the water supply checkout gear in open 2-128069 number of the Japanese Utility Model and being disclosed in the automatic ice-making plant that tank in open 1-136869 number of the Japanese Utility Model is provided with checkout gear and arrange in the following manner: as long as relay supply flume 331 appropriate, no matter whether the water supply in supply flume 331 is finished, the indicator lamp 342 of water supply checkout gear 340 all can extinguish.Therefore, if supply flume 331 is just reapposed when not adding water mistakenly, indicator lamp 342 also is in the nonconforming state that extinguishes.Therefore, the user can't judge whether added water from icy machine outside, and can make the user obtain adding to supply flume 331 the erroneous picture of water.
Because it is very complicated aspect frame for movement that this tank is provided with checkout gear 350, so the cost of automatic ice-making plant can't reduce.Another problem is, owing to freezing that operation can't be carried out.
Use the above-mentioned automatic ice-making plant of centrifugal supply-water pump 333 can make the water of staying in the feed pipe 334 when supply-water pump 333 quits work, turn back to storage in the water storage dish 332.Like this, the president goes out algae and grows mould in the water of water storage dish 332, therefore must regularly clean water storage dish 332.This just produces the inconvenient problem of maintenance.
In order to overcome above-mentioned shortcoming, the purpose of this invention is to provide a kind of automatic ice-making plant and the supply flume that is used for this automatic ice-making plant, this device can prevent airborne bacterium intrusion, prevent that sealing is spoiled and prevent to produce noise, its output is even, and whether available simple structural confirmation supply flume has been put appropriate.
To achieve these goals, according to a part of content of the present invention, this automatic ice-making plant comprises a supply flume, a drive unit and a supply-water pump, wherein supply flume comprises a demand chamber and a valve gear, and when water flowed into demand chamber, valve gear cut out outlet valve, when water flowed out demand chamber, valve gear was opened inlet valve; Drive unit is used for the control valve device, so that water offers the water storage dish from demand chamber; Supply-water pump is used for the water of water storage dish is taken out to ice-making disc.
Because said structure, the outlet valve of valve gear cuts out when water flows into demand chamber, and inlet valve cuts out when water flows out demand chamber.Supply with the water storage dish from the water that demand chamber is discharged, and utilize supply-water pump the water the supply system ice pan in the water storage dish.Therefore, the water in the demand chamber always can offer ice-making disc by predetermined amount.Because the time that water contacts with outside air is not long, therefore can prevent in the airborne bacterium encroached water, like this, just water is clamminess and fouls.In addition, can clean and keep in repair supply flume easily.
In a kind of form of the present invention, automatic ice-making plant has an open/close control device of control draining valve, and the ON/OFF of this draining valve is used for the ON/OFF drainage channel again.When control device was opened draining valve, the water in the water storage dish entered drainage channel.Therefore, even water has been left in the water storage dish, water also can be discharged fully, so the water storage dish can not be clamminess and foul yet.
Drive unit and supply-water pump preferably constitute an integral body mutually.When motor was rotated in the forward, its operating shaft affacted on the valve gear, and when the motor reverse rotation, motor plays a part pump.Because said structure, the size of automatic ice-making plant can be dwindled.
In another kind of pattern of the present invention, automatic ice-making plant has a tank that checkout gear is set, after one period scheduled time of placing supply flume and the shinny beginning of display unit, this tank is provided with checkout gear shuts down drive unit, extinguishes if take out the supply flume display unit.Be placed the one period scheduled time that constantly begins from supply flume after, drive unit is out of service, and display unit is shinny.Behind the tank that taking-up is placed, display unit extinguishes.Therefore, the user psychologically can be relieved.
According to another part content of the present invention, automatic ice-making plant comprises a supply flume, a drive unit, a water storage dish and a supply-water pump.Wherein supply flume is equipped with the valve gear of draw water a gauge line and an energy opening/closing delivery port; Drive unit is used for the control valve device, and water can be flowed out through delivery port; When the surface of the water of storing in the water storage dish reached the leading edge portion of the gauge line that draws water, the internal capacity of water storage dish equaled the total capacity of ice-making disc.
Behind drive unit control valve device, the water in the supply flume can flow into the water storage dish by delivery port.When water reached the front end of the gauge line that draws water, water was stored in the water storage dish, and pondage is consistent with the total measurement (volume) of ice-making disc.Then, the water in the water storage dish is transported to ice-making disc by supply-water pump.Therefore, even be irregular the duration of runs of drive unit, perhaps the flow velocity of the water of discharging from delivery port is uneven, can not exert an influence, and water still can exist in the water storage dish with the amount identical with the total capacity of ice-making disc.And the water in the water storage dish can be taken away immediately, can avoid like this occurring because the intrusion of bacterium in the air makes the be clamminess problem of fouling of water.
In another kind of pattern of the present invention, automatic ice-making plant comprises a valve gap that links to each other with action bars, and valve gap seals drive unit in the mode of liquid airproof.Because drive unit by the valve gap fluid-tight, enters drive unit nocuously so can prevent the water in the water storage dish.
Preferably fix a ventilation member on the drive unit.Because the air in the valve gap can be drained by ventilation member, so drive unit can be with satisfied response characteristic running.
Preferably adorn a filter on the water storage dish.Suck the exogenous impurity in the water storage dish in the time of can removing supply-water pump and draw water with the screen mesh type filter, therefore, because the intrusion of exogenous impurity just can be avoided the phenomenon of the mate damage of gear screw rod.
Preferably be connected with soft suction hose and delivery hose on the supply-water pump, and supply-water pump is preferably disposed on the place that is higher than the water storage dish.Because the position of supply-water pump is higher than the water storage dish, so can the row of preventing splash on the supply-water pump to the water of water storage dish.
The leading edge portion of soft suction hose is preferably disposed in the groove in the deep of water storage dish and is fixed on the groove.Leading edge portion is arranged in the groove and the soft suction hose that is fixed on the groove can be effectively fully with the water sucking-off in the water storage dish.
Pulsating pump preferably comprises the monoblock pump of a motor and a pair of gear screw rod.The rotation of intermeshed gear screw rod can be sent the water in the soft suction hose into delivery hose effectively.
Supply-water pump preferably is contained in the antivibrating parts.In this case, the vibration noise of supply-water pump can be absorbed by antivibrating parts.
Delivery hose is preferably by forming by interconnected first and second delivery hoses of tube connector.The water that sucks in the soft suction hose offers ice-making disc by first and second delivery hoses.
The front end that is preferably in delivery hose is provided with splashproof parts.In this case, the splashproof parts can prevent to splash by the water that the leading edge portion of delivery hose is discharged.
On delivery hose, preferably establish a Flow-rate adjustment part.In this case, the water flow velocity in the delivery hose reduces and is partly regulated by Flow-rate adjustment, and water can not splashed when being defeated by ice-making disc.
In another kind of pattern of the present invention, automatic ice-making plant comprises a control section, this control section makes reach the gauge line institute's time spent of drawing water greater than the water surface in the water storage dish duration of runs of drive unit, and at this moment drive unit shuts down and starts supply-water pump.Surpass front end that the water surface in the water storage dish reaches the gauge line that draws water after institute's time spent in duration of runs of drive unit, supply-water pump brings into operation.Therefore, after water is stored in the water storage dish with the amount identical with the total capacity of ice-making disc, the water of storing is offered ice-making disc.
When control section is reset or when the door of refrigerator was opened and Test Switchboard is depressed, supply-water pump is operation in the given time preferably.Because when control section is reset or when Test Switchboard is depressed, supply-water pump moves within the predetermined time,, water just can avoid generation so undesirably staying interior or the like the problem of supply-water pump.
According to another part content of the present invention, automatic ice-making plant comprises a water supply checkout gear and door open-close identification device, this device differentiates at interval with preset time whether refrigerator doors is unlocked/closes, be unlocked so that go out/when closing, the water supply run signal is transferred to the water supply control section in discriminating; Be not unlocked/close if differentiate door, then signal out of service is transferred to the water supply control section.
The water supply checkout gear differentiates whether water has offered ice-making disc, and the door open-close identification device differentiates at interval with preset time whether refrigerator doors is unlocked/closes.Be unlocked/close if differentiating gos out, then send the water supply run signal to the water supply control section.Do not have On/Off if differentiating gos out, then transmit stop signal.Therefore, because placed empty supply flume, can not avoid and there is the problem that ice can make.Owing to saved the tank of complicated in mechanical structure in structure checkout gear is set, the size of automatic ice-making plant of the present invention can be dwindled.
According to another part content of the present invention, automatic ice-making plant comprises that the draw water supply flume of gauge line and valve gear, a bottom of a band is connected with the water storage dish of the feed pipe that extends on the ice-making disc, an action bars and the valve with respect to the valve gear reverse operating of above-mentioned ON/OFF feed pipe that is used to operate valve gear.When drive unit turned round, above-mentioned valve gear was opened, and the water yield that is stored in the water storage dish is identical with the total capacity of ice-making disc.When drive unit quit work, above-mentioned opening of valves was so that the water in the water storage dish offers ice-making disc by feed pipe.The automatic ice-making plant of this structure is applicable to that more ice-making disc must be located at that class refrigerator of supply flume bottom.
Comprise a transparent box that is used to be filled with water and a water-tight lid that is connected on this box according to another part content automatic ice-making plant of the present invention.The user can directly judge by the transparent box that is provided with whether water is arranged in the supply flume.Therefore, the problem of placing empty supply flume mistakenly can be avoided.
According to another part content of the present invention, automatic ice-making plant comprises the box and the lid to water-stop that is connected on the box that are used to be filled with water and a transparent part is arranged.The user can directly differentiate in the supply flume by the transparent part of this box whether water is arranged.
Fig. 1 is the simplified schematic diagram of refrigerator that the automatic ice-making plant of first embodiment of the invention is housed;
Fig. 2 is the generalized section of expression according to the automatic ice-making plant of this embodiment;
Fig. 3 is the cutaway view of this embodiment essential part of expression;
Fig. 4 is the control panel schematic diagram that expression is applicable to this embodiment;
Fig. 5 is driving mechanism and the supply-water pump running time curve of expression by control panel control;
Fig. 6 is the time graph by another running example of control panel control;
Fig. 7 is the generalized section of first kind of modification of this embodiment of expression;
Fig. 8 is the generalized section of second kind of modification of this embodiment of expression;
Fig. 9 is the generalized section of expression according to the automatic ice-making plant of second embodiment of the invention;
Figure 10 is the schematic diagram that expression is applicable to the control panel of this embodiment;
Figure 11 represents the time graph of this control panel work;
Figure 12 is driving mechanism and the supply-water pump device perspective view in aggregates and that be applicable to automatic ice-making plant of expression according to third embodiment of the invention;
Figure 13 is the internal structure view of this device of expression driving mechanism and supply-water pump formation in aggregates;
Figure 14 is that the A of Figure 13 is to view;
Figure 15 is that the B of Figure 13 is to view;
Figure 16 is the generalized section by a kind of remodeling of driving mechanism and the supply-water pump in aggregates device that constitute of expression according to the third embodiment of the present invention;
Figure 17 is that the A of Figure 16 is to view;
Figure 18 is the operational flow diagram of this remodeling;
Figure 19 is that expression is according to the fourth embodiment of the present invention and the local enlarged diagram at the water supply cell wall angle that is applicable to automatic ice-making plant of light emitting diode (LED) is housed;
Figure 20 is the time response figure of delayed luminescence diode;
Figure 21 is the cutaway view of expression by the automatic ice-making plant of the 5th embodiment of the present invention;
Figure 22 is the cutaway view of a pad of expression;
Figure 23 is the rearview of this pad of expression;
Figure 24 is the plane of expression filter;
Figure 25 is the vertical cross section of expression supply-water pump;
Figure 26 is the drawing in side sectional elevation of expression supply-water pump;
Figure 27 is the cutaway view that expression is contained in the supply-water pump in the antivibrating parts;
Figure 28 is the perspective view that expression is contained in the supply-water pump in the antivibrating parts;
Figure 29 is the cutaway view of the interconnected delivery hose of expression;
Figure 30 is splashproof parts and the Flow-rate adjustment cutaway view partly that expression is fixed;
Figure 31 is the cutaway view of refrigerator of the automatic ice-making plant of the band control section of expression with this embodiment of the invention;
Figure 32 is the cyclematics by control section control operation;
Figure 33 is the cyclematics by control section control operation;
Figure 34 is the cutaway view of expression according to the automatic ice-making plant essential part of sixth embodiment of the invention;
Figure 35 is the perspective view of expression according to the local broken-out section that is used in the supply flume on the automatic ice-making plant of one embodiment of the present of invention;
Figure 36 is be used in supply flume perspective view automatic ice-making plant on of expression according to another embodiment of the present invention;
Figure 37 is be used in the cutaway view that supply flume automatic ice-making plant on be provided with state of expression according to the embodiment of the invention;
Figure 38 is the essential part perspective view of an embodiment of the expression automatic ice-making plant with a kind of structure that is used to illuminate supply flume of the present invention;
Figure 39 is the fragmentary, perspective view that the refrigerator of this embodiment is adopted in expression;
Figure 40 is the block diagram of the water supply checkout gear of a kind of automatic ice-making plant that is applicable to embodiments of the invention of expression;
Figure 41 is the time diagram of this embodiment of expression;
Figure 42 is the cutaway view of the traditional automatic ice-making plant of expression;
Figure 43 is the cutaway view figure of another traditional automatic ice-making plant of expression;
Figure 44 is that one of expression has the refrigerator cutaway view that band water supply checkout gear and tank are provided with traditional ice maker of checkout gear;
Figure 45 is a kind of perspective view of the checkout gear that supplies water;
Figure 46 is the schematic diagram that a kind of tank is provided with checkout gear.
The preferred embodiments of the present invention are described below with reference to accompanying drawings.
Fig. 1 is the simple schematic diagram of refrigerator that is equipped with according to the automatic ice-making plant of first embodiment of the invention; Fig. 2 is the generalized section of expression according to the automatic ice-making plant of this embodiment; Fig. 3 is the cutaway view of this embodiment essential part of expression.
With reference to Fig. 1, refrigerator 1 has a refrigerating chamber 2 and a refrigerating chamber 3 that is arranged on this refrigerating chamber 2.Water supply cell wall angle 4 is positioned at the top of refrigerating chamber 2.And ice making wall angle 5 is positioned at the below of refrigerating chamber 3.Automatic ice-making plant is located in each water supply cell wall angle 4 and the ice making wall angle 5.
As shown in Figure 2, supply flume 10 is fixed in the water supply cell wall angle 4, has the bottom that the larger-diameter fastening port 11 that hand is put in is located at supply flume 10.In addition, demand chamber 20 is fixed on the fastening port 11.
The interlocked valve 27 that is used for ON/OFF delivery port 22 and water inlet 24 is fixed on the delivery port 22 of valve gap 21.
Driving mechanism 40 comprises a solenoid, utilizes its electromagnetic action that action bars 41 is moved both vertically, and this action bars 41 has the umbrella shape or the frustoconical functional unit 42 that are fixed to its front end.Therefore, the interlocked valve 27 of demand chamber 20 is upwards pushed away by frustoconical functional unit 42.
Setting operation parts 42 are in order to prevent that functional unit 42 is fabricated from a silicon from the fastener hole 31a of the water intrusion water channel 31 of delivery port 22.
When driving mechanism 40 turns round and when action bars 41 was moved upward, interlocked valve 27 was pushed to the top in a manner described, delivery port 22 is opened, and utilized inlet valve 29 that water inlet 24 is closed.
Supply-water pump 45 is not a centrifugal pump, but the integrated pump.
The ruuning situation of this embodiment will be described now.
If driving mechanism 40 does not turn round, the downward thrust of just having only spring 30 is to the interlocked valve 27 of demand chamber 20.Therefore, delivery port 22 is closed, and water inlet 24 is opened by outlet valve 28.
So under above-mentioned state, the water in the supply flume is introduced into box 25 through activated carbon 26, water can flow through water inlet 24 and enter middleboxes 23.
Utilize the effect of passage 23a, make water can introduce middleboxes 23 smoothly.Because outlet valve 28 is closed delivery port 22, so be full of water in the demand chamber 20 this moment.
When driving mechanism 40 operations, action bars 41 moves upward, the lower end that makes functional unit 42 contrary spring 30 thrust directions upwards push away interlocked valve 27.Like this, delivery port 22 is opened, and water inlet 24 is closed by water inlet valve 29.So the water in the middleboxes 23 can flow to water storage dish 32 through delivery port 22.Because the running of supply-water pump 45 can offer ice-making disc 47 by delivery hose 46 with the water in the water storage dish 32.
Because this moment, water inlet 24 was closed, the water yield of introducing water storage dish 32 equates with the volume of middleboxes 32 substantially.So, the water of identical with the volume of middleboxes 23 basically scheduled volume can be offered ice-making disc 47.
Because delivery port 22 is not used in the hole of ventilation, the time that water flows out can not immobilize, and the displacement of water storage dish 32 can not be constant.But, do not stay in the water storage dish 32 so do not have water because integrated pump 45 draws water immediately.That is to say,, also do not have water and stay in the water storage dish 32, therefore water is offered ice-making disc 47 with scheduled volume even the time that water flows out is irregular.
Fig. 4 is the schematic diagram that expression is used to control the control panel of driving mechanism 40 and supply-water pump 45 runnings.Fig. 5 is the time graph of running.
As shown in Figure 5, when control panel 50 output water supply commencing signals, driving mechanism 40 startings are also turned round in the scope at the fixed time.Time control is adjustable at driving mechanism 40 starting back t1 and second supply-water pump 45 is turned round predetermined a period of time.
Time control also can be adjusted at driving mechanism 40 starting back t2 and second supply-water pump 45 is turned round predetermined a period of time.
Because the running of driving mechanism 40, the water of storing in the water storage dish 32 are extracted out by supply-water pump 45 and made water storage dish 32 become blank panel.
The gear-box (figure is omitted) that is used for ice-making disc 47 is rotated to take out ice is arranged in the refrigerating chamber 3.Gear-box detects the ice amount that is stored in the water storage tank, if storage ice amount does not meet the requirements, then control panel 50 sends above-mentioned water supply commencing signal.To the detection of ice amount is that door at refrigerating chamber 3 is opened or closed and constantly carries out.
As mentioned above, the automatic ice-making plant of present embodiment can be avoided being kept in the water in the water storage dish 32, and can water be offered ice-making disc 47 with predetermined amount.And the supply flume 10 that seals can prevent that sealing contacts with extraneous air.Therefore, airborne bacterium can not encroached water in, so just can avoid in water, occurring bacterium.
If the internal diameter that makes delivery hose 46 is less than predetermined value, then integrated pump 45 can all pump delivery hose 46 water interior and that be stored in feed pipe 31 and the water storage dish 32, so that supply water to ice-making disc 47.Therefore, can further prevent the generation of bacterium effectively.
In addition, can easily valve gap 21 be laid down and the heavy caliber fastening port 11 that hand stretches into supply flume 10 is come the inside part of supply flume 10 is cleaned.Because supply flume 10 and driving mechanism 40 are to constitute separately,, make maintenances such as cleaning and repairing be easy to carry out so can unload supply flume 10 at any time.
Because the functional unit 42 usefulness silicon materials of driving mechanism 40 are made, so can eliminate the impact noise of it and interlocked valve 27 basically.So just can avoid producing noise basically.
The another kind of arrangement of supply-water pump 45 will be described now.
Fig. 7 is the generalized section of first kind of modification of expression.
The modification of this layout is that supply-water pump 45 is arranged in the ice making wall angle 5 of refrigerating chamber 3, and goes into water tube hose 48 and extend downwardly into water storage dish 32 from supply-water pump 45.Going into the lower end of water tube hose 48 inserts in the groove 34 that forms in the water storage dish 32.
Preferably piston pump or the gear screw pump by the transporting water that rotatablely moves of the supply-water pump 45 of She Zhiing like this, but vavuum pump preferably.Because it does not need auxiliary equipment just water can be risen to satisfied height.
Fig. 8 is the generalized section of second kind of modification of expression.
The constituted mode of this modification is to be positioned at the position that is lower than water channel 31 and water storage dish 32 from supply-water pump 45, and delivery hose 46 is connected on the supply-water pump 45.
Fig. 9 is the generalized section of expression according to the automatic ice-making plant of second embodiment of the invention; Figure 10 is the schematic diagram that expression is applicable to the control panel of this embodiment; Figure 11 is the time graph of control panel.
The place that this embodiment is different from first embodiment is to be provided with a discharge structure, so that the water that will stay in the water storage dish 32 is drained.
The constituted mode of discharge structure as shown in Figure 9 is the below that drainage channel 35 is located at water storage dish 32, so that it is linked to each other with water storage dish 32.In addition, a scupper hose 36 is connected on the drainage channel 35.Again a draining valve 37 is fixed to the centre position of drainage channel 35.Because the situation in the ice-making disc 47 appears the water in the water storage dish 32 to be delivered in the position and the kind of supply-water pump 45 sometimes.This situation can cause water to be stayed in the water storage dish 32, and the danger of breed bacteria is arranged.
This valve of opening water discharge at any time 37 of present embodiment, enter scupper hose 36 and the structure that evaporates the water can be used to overcome above-mentioned shortcoming through drainage channel 35 with the water that will stay in the water storage dish 32.
The operation of draining valve 37, driving mechanism 40 and supply-water pump 45 is by control panel shown in Figure 10 52 controls.
That is to say, when control panel 52 by shown in Figure 11 when sending the water supply start signal, driving mechanism 40 is switched on and moves predetermined a period of time.Yet, supply-water pump 45 startings and predetermined a period of time of operation.
Because all the other structures, the method for operation is identical with first embodiment with effect, just repeats no more here.
To be expression according to the driving mechanism of third embodiment of the invention and supply-water pump in aggregates and be used for the perspective view of the black box of automatic ice-making plant for Figure 12; Figure 13 is the internal structure view of the black box of expression driving mechanism and supply-water pump; Figure 14 is that the A of Figure 13 is to view; Figure 15 is that the B of Figure 13 is to view.
The difference of this embodiment and first and second embodiment is to have used by driving mechanism 40 and supply-water pump 45 and is integral the driving mechanism that constitutes and the black box of supply-water pump.
With reference to Figure 12 and 13, the black box 60 of driving mechanism and supply-water pump has by driving mechanism 40 and supply-water pump 45 structures that constitute in aggregates.
Comprise a dual-axle motor 62 in the shell 61 of the black box 60 of driving mechanism and supply-water pump.As just leaving on the axle that the one-way clutch 63 that closes mechanism is fixed on dual-axle motor 62.In addition, supply-water pump 45 is located on the above-mentioned axle.The suction hose 64 that communicates with water storage dish 32 is connected on the end in the two ends of supply-water pump 45, and delivery hose 46 is connected on the other end.As being fixed on the one-way clutch 65 of the reverse clutch of one-way clutch 63 antiports on that remaining root axle of dual-axle motor 62.In addition, the front end of above-mentioned axle connects a reducing gear 66, and this reducing gear 66 is connected on the action bars 41 by gear 67.
Action bars 41 shown in Figure 14 and 15 has the elongated hole 41a and a plurality of rectangular opening 41b that are in extreme lower position, and action bars 41 hauls downwards by a spring 68 that is fixed on the shell 61.
Because this structure of the black box 60 of driving mechanism and supply-water pump, so when dual-axle motor 62 during with reverse rotation, one-way clutch 63 dallies.Again owing to being connected with one-way clutch 65, so the rotation of dual-axle motor 62 is passed to reducing gear 66.
Then, transmitting gear 67 makes it to cooperate with the rectangular opening 41b of action bars 41, makes the active force of the contrary springs 68 of action bars 41 and motion upward.When gear 67 further rotated and reach elongated hole 41a, gear 67 idle running made action bars 41 stop to move upward.When action bars 41 moved upward, functional unit 42 upwards pushed away interlocked valve 27.So the water in the demand chamber 20 is discharged into water storage dish 32, so that can be sent to supply-water pump 45 by suction hose 64.If power supply stops to dual-axle motor 62 power supplies under above-mentioned state, then reducing gear 66 idle running move downward action bars 41 under the effect of spring 68.Therefore, the delivery port 22 of valve gap 21 is closed by interlocked valve 27.
When dual-axle motor 62 is rotated in the forward, one-way clutch 65 idle running, and one-way clutch 63 engagements.Like this, supply-water pump 45 entrys into service make water be sucked out and deliver to delivery hose 46 through suction hose 64.
A modification of present embodiment will be described now.
Figure 16 is the generalized section of this modification of expression; Figure 17 is that the A of Figure 16 is to view.
The arrangement of this modification is: replace gear 67 with the cam 70 with helical spring 71.
Like this, when the b point of cam 70 in Figure 17 when the c point rotates, action bars 41 moves upward.If dual-axle motor 62 stalls or the outage situation under, helical spring 71 makes cam 70 rotate from the c point towards the b point.Therefore, action bars 41 moves downward.That is to say that when dual-axle motor 62 was pressed counter-rotating shown in Figure 180, the functional unit 42 that is located at action bars 41 front ends was pushed away and movement one predetermined angular up.When dual-axle motor 62 again during backward rotation, supply-water pump 45 entrys into service.
Because identical among remaining structure, mode of operation and effect and first and second embodiment is so just repeat no more here.
Figure 19 is the part enlarged drawing according to the water supply cell wall angle 4 that is added with a light emitting diode that automatic ice-making plant was suitable for of fourth embodiment of the invention.Figure 20 is the time response figure of delayed luminescence diode.
The present embodiment and first to the 3rd embodiment difference are, on the water supply cell wall angle 4 of refrigerator 1 water supply light emitting diode 80 and delayed luminescence diode 81 are housed.
Water supply light emitting diode 80 be widely used on the civilian automatic ice-making plant and be the light emitting diode of known technology.That is to say that if the water in the supply flume 10 is used up, the water supply light emitting diode is bright, urge the user is supplied water.When water has infeeded in the supply flume 10 and supply flume 10 has set, the light emitting diode 80 that then supplies water extinguishes.
After beginning a scheduled time (for example, a week) from setting supply flume 10, delayed luminescence diode 81 is luminous immediately, and makes driving mechanism 40 shut-down operations.When supply flume 10 was removed, 81 of this delayed luminescence diodes were not shinny.
Just, delayed luminescence diode 81(is as shown in figure 20) from supply flume 10 beginning t is set
4Be switched on after hour, and when supply flume 10 is removed, extinguish.
Because this structure although the water in the supply flume 10 is easy to go bad, will stop to supply water in scheduled time supply flume 10 later.Therefore, though also can be relieved on the not ice making user psychology.
The relative position that water supply light emitting diode 80 and delayed luminescence diode 81 are installed is not limited to shown in Figure 19.
Figure 21 is the cutaway view according to the automatic ice-making plant of the 5th embodiment of the present invention.
Automatic ice-making plant according to this embodiment comprises the supply flume 90 that a valve cell 93 is housed, 100, one of a driving mechanism is placed on water storage dish 110 and supply-water pump 120 that the water in the water storage dish 110 is fed to ice-making disc 149 by scupper hose 141 and 142 of supply flume 90 belows.
By screw, driving mechanism 100 is installed on the water storage dish 110, and action bars 101 is moved both vertically under the electromagnetic action of the solenoid that is placed on this place, with the cap 102 on the top by placing action bars 101 and the bar 97 of valve cell 93 is pushed away up.
More particularly, cap 102 is made by silicon rubber or similar material and is become a bag shape, and the inner surface of cap 102 is fixed on the top of action bars 102.Cap 102 is contained among the hole 110a of water storage dish 110 in the mode of liquid sealing, and its underpart installs to one as on the pad 103 of ventilation member simultaneously.
Therefore, when action bars 101 moved up, the upper surface of cap 102 was pulled on the bar 97.Because the upper surface of cap 102 pushes away up, make bar 97 overcome the power of spring 99 and move up, valve 98 is opened delivery port 94.When action bars 101 moved down, the upper surface of spring compressor 102 moved down, because the effect of the power of spring 99 moves down bar 97.Valve 98 has cut out delivery port 94 as a result.
Shown in Figure 22 and 23, pad 103 is cylindrical, and it has a hollow space 104, and action bars 101 is inserted into this hollow space, and pad 103 has a flange section 106, forms a plurality of grooves 105 that communicate with hollow space 104 on it.
As a result, when action bars 101 moved up and down, the air in the cap 102 can flow in the hollow space 104 by groove 105, or discharged from this part.Therefore, driving mechanism 100 can operate as normal so that the upper surface of cap 102 can move up or down exactly.
As shown in figure 21, a groove 111 is arranged at the bottom of being equipped with as the water storage dish 110 of the driving mechanism 100 of above-mentioned layout.The side surface of water storage dish 110 and basal surface tilt to groove 111, in addition, are placed with a removable granular membrane 112 in the inside of water storage dish 110.
The profile of filter 112 as shown in figure 24, it is shaped as the interior shape of the water storage dish 110 of putting into filter 112 parts.The core of filter 112 has a hole 112a, and formed hole 112a is used to admit cap 102.
By unloading cap 102 from action bars 101 and unloading filter 112, can remove the exotic that is attached on the filter 112 easily from take-up reel 110.
As shown in figure 21, the volume of water storage dish 110 should be defined as making when the water surface curve Z in the water storage dish 110 draws water the lower end of gauge line 95a, be full of water in the ice-making disc 149.
On the basal surface of the fixed form of going into water tube hose 119 for the groove 111 that its end 119a is pressed in water storage dish 110.End 119a should be mounted to and make the end form opening, and the basal surface of groove 111 can not be sealed above-mentioned opening.By making its end 119a favour the basal surface of groove 111, or by oblique section block end 119a or on the 119a of end, form a hole, the edge that makes its end separates with the basal surface of groove 111.
Water in the water storage dish 110 can be drawn onto the supply-water pump 120 from the bottom by soft suction hose 119 effectively as a result.
Supply-water pump 120 is placed in than on the also high position, the top of water storage dish 110, so that the water in the water storage dish is upwards inhaled.
As shown in figure 25, supply-water pump 120 comprises a motor 121, and a gear 122 is housed on its rotating shaft, and the gear screw rod 124 and 125 that also rotates when gear 123 rotates with gear 122 engagements.When gear screw rod 124 and 125 whens rotation, as shown in figure 26 by soft suction hose 119() water of sucking-off is sent in the scupper hose 141.
The diameter D of soft suction hose 119 that is connected to supply-water pump 120 is very little, for example, is the vacuum that improves in the soft suction hose 119, and its diameter is about 6mm.The result can make the function of supply-water pump 120 be brought into play satisfactorily.
As shown in figure 26, on soft suction hose 119, can adorn a granular membrane 113.
Supply-water pump 120 can be contained in the water storage dish 110, and is admitted by shock-resistant member 130 shown in Figure 27 and 28.That is to say that the outlet 126 that links to each other with soft suction hose 119 is contained on two notch portion 131 of shock-resistant member 130, and make between the discharge outlet (not shown) of the outlet 132 that links to each other with delivery hose 141 and supply-water pump 120 and link to each other.In afore-mentioned, supply-water pump 120 recommended being placed in the shock-resistant member 130 are so that can be fallen by the shock absorbing that supply-water pump 120 is passed to driving mechanism 100.
As shown in figure 21, the drain hose 141 that links to each other with the discharge outlet of supply-water pump 120 extends on the intermediate wall portion 143 that the water supply cell wall angle 4 with the ice making wall angle 5 of refrigerating chamber 3 and refrigerator 1 separates.Drain hose 141 links to each other with the drain hose 142 at ice making wall angle 5.
More particularly, tube connector 150 is fixed on as shown in figure 29 the pars intermedia bulkhead 143, and the fore-end of delivery hose 141 is connected on the lower end connecting portion 151 of tube connector 150.Also have, the major diameter that the top of delivery hose 142 is inserted in the upper part of tube connector 150 is inserted in the section 152, admits by being placed on a seal 153 that inserts in the section 152.
As a result, the lower part of drain hose 142 is because the elasticity of seal 153 and fastened, therefore eliminated the danger that drain hose 142 and tube connector 150 separate.If fault has taken place in water supply cell wall angle 4 or ice making wall angle 5, as long as take off just can place under repair for the drain hose 141 or 142 at that wall angle that will go out.
As shown in figure 21, so the drain hose 142 that connects is extended ice-making disc 149 places, at the front end of this drain hose 142 as shown in figure 30 a hat splashproof spare 145 is arranged.Therefore can prevent to splash, and can infeed water in the ice-making disc 149 by the water that drain hose 142 is discharged.It should be noted that label 146 is represented a sieve shape Flow-rate adjustment part of regulating current in the drain hose 142 in Figure 30.Though expressed aforesaid Flow-rate adjustment part 146 among Figure 30,, then can save it if added splashproof parts 145.If the front end at drain hose 146 is equipped with the Flow-rate adjustment part, then splashproof parts 145 just can save.
By the operation of the supply-water pump 120 of a control section 160 control and driving mechanism 100 as shown in figure 31.
Control section 160 confirms whether the water supply timing begins (the step S shown in Figure 32
1If) judge that the water supply timing does not begin, then driving mechanism 100 and supply-water pump 120 be inoperative state (as among Figure 31 at S
1In be judged to be NO and then enter step S
2And S
3).
When the water supply timing began, then the valve 98 of driving mechanism 100 drive valve unit 93 moved up, as shown in figure 21, outlet 94 was opened for 7 seconds (later on this time is called T
1) (if at step S
1Middle judgement is YES, then enters step S
1And S
5).
Because outlet 94 continues to open as shown in figure 21, water can be flow in the water storage dish 110 by supply flume 90.When water surface curve Z had reached the bottom of the gauge line 95a that draws water, the air that enters the metering 95a that draws water was ended, and makes the water in the supply flume 90 stop to flow to 110.That is to say that 110 water fillings of water storage dish (claim that later on this time is T 5 seconds after the operation of driving mechanism 100 begins
2).And, by T
1To T
2Time in, be full of in the ice-making disc 149 for the used water yield of ice-making disc 149.
" driving mechanism action " (the DRIVE MECHANISM ON) that describes among Figure 32 and 33 refers to that valve 98 has moved up so the state of delivery port 94 when having opened.T in addition
1And T
2Be not necessarily limited to 7 seconds and 5 seconds.That is to say, as long as T
2Time be the time that water surface curve Z reaches the lower end of the gauge line 95a that draws water, and T
1Compare T
2Length just.
Then, at T
1Second in the past rear drive mechanism 100 quits work, and supply-water pump 120 runnings are (as shown in Figure 32, as at step S
5In be defined as YES and then enter step S
6)." driving mechanism stops action " (the DRIVE MECHANISM OFF) that describe among Figure 32 and 33 means that valve 98 has moved down, and delivery port 94 has been closed.
After supply-water pump 120 turned round for 14 seconds, supply-water pump 120 shut down (as shown in Figure 32 as at step S
8In be judged to be YES and then enter step S
9).As a result, supply-water pump 120 drew water from water storage dish 110 12 seconds, and during 12 seconds to 14 seconds, the water of being inhaled is supplied in the ice-making disc 149 as shown in figure 33.
So though be decided to be 14 seconds because the water in the water storage dish 110 must all be fed to the operating time of supply-water pump 120 in the ice-making disc 149, the present invention is to this not restriction.The operating time of supply-water pump 120 can be set up to the length with drain hose 141 and 142 and be adapted.
The door of fixed or refrigerator 1 is opened and by having depressed Test Switchboard (omitting among the figure), the characteristic of supply-water pump 120 causes water to be stayed in soft suction hose 119 and drain hose 141 and 142 if control section 160 is undesirably reseted.Therefore, in this state, if when supply-water pump 120 reruns, water that stays and the water in water storage dish 110 will be fed in the ice-making disc 149, and this does not wish to occur.In this case, just can not in ice-making disc 149, infeed the water of scheduled volume.Therefore, when control section 160 is reset or has pushed Test Switchboard, preferably allow supply-water pump 120 rotate a scheduled time without any exception, discharging at the water in soft suction hose 119 and drain hose 141 and 142.
To the total operation according to the automatic icing equipment of present embodiment be described below.
Because action bars 101 do not moved downward when driving mechanism 100 moves, bar 97 overcomes the elastic force of spring 99 and moves downward, and therefore exports 94 and is closed by valve 98.
When driving mechanism 100 actions action bars 101 being moved upward, the upper surface of cap 102 moves up valve 98 and opens delivery port 94 to upper push-rod 97.The result flows in the water storage dish 110 from supply-water pump 120 by delivery port 94 water and is deposited in the water storage dish 110.Since sometimes the water yield of discharging from supply flume 90 slightly big flood will splash out by the diapire and the sidewall of water storage dish 110, so supply-water pump 120 will be placed on than on the high position of water storage dish 110, splash on the supply-water pump 120 to prevent water.
When water surface curve Z had gone up long lower end to the gauge line 95a that draws water, the air termination entered in the gauge line that draws water.Therefore supply flume 90 is ended to water storage dish 110 discharge waters.Thus, even driving mechanism 100 operations, water storage dish 110 also can continue to preserve and the corresponding water yield of ice-making disc 149 volumes.Therefore, even inhomogeneous, can not produce bad influence, so water storage dish 110 can continue to retain and the corresponding water yield of ice-making disc 149 volumes when the water flow velocity that the timing of driving mechanism 100 is broken down or delivery port 94 flows out.As previously mentioned, be full of water in the water storage dish 110, water is entered in the driving mechanism 100 irrelevantly, still,, driving mechanism 100 has been sealed fully, thereby prevented that water is introduced into driving mechanism 100 because cap 102 is arranged.
In this case, if driving mechanism 100 quits work, action bars 101 moves down and contacts with cap 102.At this moment,, therefore promote action bars 101 upwards, move downward to it and bring interference because the air in the cap 102 can produce the buoyance lift effect.But the air that can make in the cap that moves downward of action bars 101 is discharged by the groove 105 of pad 103.As a result, cap 102 shrinks immediately and makes driving mechanism 100 can have fabulous response characteristic.
As a result, the bar 97 of valve cell 93 in view of the above, cuts out outlet 94 by valve 98 owing to the active force of spring 99 moves downward, and supply flume 90 stops discharge water.
When almost stopping with driving mechanism 100 operations, supply-water pump 120 begins to move by soft suction hose 119 water in the water storage dish 110 is upwards inhaled.
Because the front end 119a of soft suction hose 119 is contained on the diapire of water storage dish 110 with pressing, and this moment soft suction hose the edge of front end 119a and the basal surface of groove 111 be skewed, so the water in the water storage dish 110 can be sucked out fully and effectively from the bottom surface.And the inside diameter D of soft suction hose 119 is less, is about 6mm improving the vacuum of soft suction hose 119, and makes the function of supply-water pump 120 more can be satisfactory.
Therefore, the water that is discharged in the water storage dish 110 by supply flume 90 can be drunk up immediately, and water in water storage dish 110 and the contacted time of air in the refrigerator 1 are shortened greatly.The smell that the result is spread out of by food in the refrigerator 1 and make ice problem odorous also obtain preventing.And, eliminated the rough sledding that the bacterium that suspends in the air is invaded basically, make water be unlikely to be clamminess and to foul.
Since water in water storage dish 110 by soft suction hose 119 from its upwards sucking-off of bottom, therefore owing to drop accidentally some pot foods such as crumbs etc. of user can be blocked by the upper surface of filter 112.So, owing to pot foods are fallen into the phenomenon that supply-water pump 120 damages the engagement between gear screw rod 124 and 125 and just can be avoided.Can remove these chips by filter 112 being taken off and it being cleaned from water storage dish 110.
By the gear screw rod 124 of supply- water pump 120 and 125 rotation, the water that sucks in the soft suction hose 119 is sent in the delivery hose 141.
If when producing vibrations owing to the rotation of the engagement of gear screw rod 124 and 125 and motor 121, because supply-water pump 120 is fixed on the water storage dish 110, supply-water pump is contained in (shown in Figure 27 and 28) in the shock-resistant member 130 simultaneously, has therefore prevented the propagation of vibrating noise.
Water in the drain hose 141 upwards flows in the drain hose 142 that links to each other by tube connector 150.
Because drain hose 142 is by by silicon rubber or similarly can prevent seal member 153 clampings that material that the sky G﹠W infiltrates is made, the vacuum between drain hose 141 and 142 can meet the demands.The result has prevented from bleeding unwelcome air and supply water owing to water bleeds to influence effectively to ice-making disc 149 from tube connector 150 between drain hose 141 and 142.
If fault has taken place at ice making wall angle 5, just can repair easily as long as take off drain hose 142.Because what protrude to form on the outer surface of seal 153 a plurality of protruding 154 is circular, and the surface forms a plurality of pointed protrudingly 155 within it, and above-mentioned pointed projection can embed drain hose 142, so drain hose 142 can move smoothly.In addition, seal 153 is connected on the drain hose 142 when unloading scupper hose 142, so desirable lower seal.And when assembling parts once more,, scupper hose 142 is linked to each other at an easy rate with scupper hose 141 as long as with seal 153 simple insertions in the insertion parts 152.
Upwards be pressed into water in drain hose 141 and 142 and can reach the end of drain hose 142.
By the internal diameter of drain hose 141 and 142 being reduced under the predetermined value and improving the vacuum of drain hose 141 and 142, can prevent that sealing undesirably stays in supply-water pump 120 and drain hose 141 and 142, water all can be fed in the ice-making disc 149 again.Thereby prevented because resident water and the problem of breed bacteria in supply-water pump 120 and drain hose 141 and 142.
By the opening that forms on drain hose 142 ends, the water that enters in the drain hose 142 can be discharged in the ice-making disc 149.
Because hat splashproof parts 145 as shown in figure 30 are housed in the end of drain hose 142, prevented that the water of discharging in the discharge pipe 142 from splashing and water is infeeded in the ice-making disc 149.If flow regulating part 146 is placed on the position of splashproof parts 145, water is slowed down by flow regulating part 146 and infeeds in the ice-making disc 149 again, also can prevent to cause to splash.
Figure 34 is the sectional view according to the automatic ice-making plant of sixth embodiment of the invention.
Present embodiment is that ice-making disc is placed on than on the low position of supply flume with the 5th embodiment difference.In the following description, with the 5th embodiment in identical parts represent with identical label.
Automatic ice-making plant according to this enforcement is arranged as follows, water storage dish 170 is placed under the supply flume 90, a cap that has a valve cell 93 is housed on it, and a driving mechanism 180 is contained on the water storage dish 170, has saved the supply-water pump 120 among the 5th embodiment in this structure.
A delivery port 171 is arranged at the bottom of water storage dish 170.The feed pipe 172 that communicates with delivery port 171 extends to the top of ice-making disc 149.
Driving mechanism 180 comprises that one is provided with identical cap 182 with the cap 102 of driving mechanism 100 basically, but it comprises that also a set-up mode is different from the action bars 181 of action bars 101.
181 one-tenth of action bars are L shaped, its top 181a driving mechanism 180 protruding upward, and contact with the inner surface of cap 182, it is L shaped that its underpart 181b is curved, and action bars 181 has an end of stretching into feed pipe 172 by an elongated hole 173.
By using a bindiny mechanism and similar device, the valve 183 that can cut out delivery port 171 is contained in the top of end of the bottom 181b of action bars 181.
Therefore, when action bars 181 moved up, valve 183 also moved up and cuts out delivery port 171.When action bars 181 moved down, valve 183 also moved down and opens delivery port 171.
The following describes the operation of this embodiment.
Worked when action bars 181 is moved up when driving mechanism 180, the top 181a of action bars 181 upwards pushes away the upper surface of cap 182, and the valve 98 of valve cell 93 is moved up.Delivery port 94 is opened as a result, and the water in the supply flume 90 flows in the water storage dish 170.
The bottom 181b that makes action bars 181 moves upward along elongated hole 173 because action bars 181 moves upward, and valve 183 moves upward and cuts out delivery port 171.Therefore, flow to the lower end that water in the water storage dish 170 is retained in the gauge line 95a that draws water.
When action bars 181 when foregoing state moves downward, the bottom 181b of action bars 181 moves downward.And valve 183 is also opened delivery port 171 thereupon moving downward together.Water in the water storage dish 170 moves the water to flow into feed pipe 172 owing to its weight flows downward as a result.Therefore by the opening on feed pipe 172 ends, water can flow in the ice-making disc 149.
Because other structure is identical with the 5th embodiment with operation, does not repeat them here.
Figure 35 is the perspective view according to the local broken-out section of the automatic ice-making plant supply flume of seventh embodiment of the invention.
Supply flume according to the automatic ice-making plant of present embodiment comprises a box 191 and a plate-like cover 196 made from blowing moulding.
Above-mentioned box 191 is a transparent box, can see its inside by it, and the bottom of box 191 is provided with the installation portion 192 of a hat.Attacked screw thread 193 on the outer surface of hat installation portion 192.By screw thread 193, the cap among cap among first embodiment 21 or the 5th or the 6th embodiment 95 can be twisted thereon, cap 21 or 95 can be admitted by cap installation portion 192.And, a handle 195 that caves in shape is arranged on the core on the top on the front surface 194 of box.
An example of the supply flume 190 that uses according to present embodiment is described below.
At first, make water by cap installation portion 192 and be contained on the cap installation portion 192 cap 21 95 or like inject supply flume 190.
In aforesaid state, supply flume 190 is placed in the water supply cell wall angle 4 on refrigerator 1 top as shown in figure 37.Because the mating surface 198 of box 191 and lid 196 is arranged on the highest position of box 191, (as shown in figure 35), the water surface Y in the supply flume 190 of Bu Zhiing is low than mating surface 198 without exception as mentioned above.Therefore, even the junction or the weld of box 191 and lid 196 are damaged, can prevent that also sealing leaks out from mating surface 198.
When supply flume 190 being arranged in the water supply wall angle 4 as described above, the front surface 194 of supply flume 190 is near user's observation place (as shown in figure 37).Therefore, the user can see whether water is arranged in the supply flume 190 by the front surface 194 of transparent box 191.Thereby nonconforming anhydrous phenomenon appears in the supply flume 190 that can avoid being contained in water supply cell wall angle 4.
Figure 36 is the perspective view of the supply flume in according to another embodiment of the invention the automatic ice-making plant.
Be that according to the supply flume 200 of the automatic ice-making plant of present embodiment and the difference among the 7th embodiment part of box makes transparent.
That is to say, as shown in figure 36, in conjunction with or the ground, front surface 203 tops that is welded with a lid box 201 of 202 form a transparent part 204, can see the inside of supply flume 200 by it.
Therefore, the user can directly see or observe in the supply flume 200 and has water or not by the transparent part 204 on the front surface 203 of transparent box 201.
Because remaining structure, operation and effect are identical with supply flume 190 among Figure 35, so repeat no more herein.
Figure 38 is the perspective view according to the essential part of automatic ice-making plant embodiment of the present invention, and this automatic ice-making plant is the automatic ice-making plant with above-mentioned supply flume structure.Figure 39 is the part sectioned view that adopts the refrigerator of this embodiment.
In having placed the water supply wall angle 4 of supply flume 190, be provided with illuminating lamp 201 in this embodiment.
Specifically, can throw light on from the back of supply flume 190 in lamp 201 position of being placed.By transparent side surfaces 199 or similarity, the luminous energy of lamp 201 is injected in the supply flume 190.Therefore, luminous energy shines on the water surface Y, so can tell the water surface by transparent front surface 194.The user just can determine the water yield in the supply flume 190 easily like this.
What be worth to remind is to be used to illuminate the refrigerator beacon lamp that the special lamp 210 of supply flume is used to illuminate water supply cell wall angle 4 can be by the door of opening refrigerator 1 time according to present embodiment replace.
Figure 40 is the block diagram according to the used water supply detecting unit of the automatic ice-making plant of tenth embodiment of the invention.
The temperature sensor 211 and a door open-close discriminating unit 220 that is connected with temperature sensor 211 by switch 213 that comprise the detecting unit that is used to supply water according to the water supply detecting unit of present embodiment.
Specifically, if the control of control panel 50 by being used for automatic ice-making plant among the first and the 5th embodiment and control section 160 is after ice-making disc supplies water, temperature does not rise yet, just judge and do not have water (omitting among the figure) in the supply flume, and send operation signal E by temperature sensor 211 to indicator lamp 212 immediately, switch 213 is connected indicator lamp 212, and indicator lamp is bright.
For example, temperature sensor 211 and switch 213 can be made of thermostat.
The effect of switch 213 is after it receives signal E, makes to realize between power supply 214 and the door open-close discriminating unit 220 being electrically connected, and actuating doors ON/OFF discriminating unit 220.
Door open-close discriminating unit 220 for example can be made of a microcomputer, and comprise that a transmission has the timer of the clock signal K of a preset frequency, one is sent the expression count signal N of gate time and the counter of computing time 222 according to clock signal K, and a processing section 223 of finishing predetermined process according to count signal N.
Predetermined fiducial time of the T that is stored in the memory 223 is read in processing section 223, and to fiducial time T and count signal N make comparisons.If the time ratio time T of being represented by count signal N is long, the signal V of the operation that stops to supply water is sent to the water supply control section that comprises control panel 50 and control section 160 etc. in the processing section, and it is used part in the automatic ice-making plant among first embodiment or the 5th embodiment that above-mentioned control panel and control part grade.Then, reset signal R is sent to counter 222 in the processing section.Processing section 223 is connected with the door open-close sensor of installing near the door 7 of refrigerator 1 230.
The ON/OFF of door open-close sensor 230 reflection doors 7 is the detection signal P that open or close to send reflection door 7 to the processing section.When processing section 223 receives detection signal P, just send water supply operation signal W, so that the water supply control section is finished the operation of supplying water.Then, stop signal S is sent in processing section 223
1, to close door open-close discriminating unit 220 and deenergization 214, a shutdown signal S is also sent in processing section 223
2, to close indicator lamp 212.
Operation to water supply detecting unit with this structure describes below.
If the user has by mistake placed an empty supply flume, then the operation that water is fed to ice-making disc 210 will can not make environment temperature raise.
Therefore, under aforesaid state, temperature sensor 211 sends an operation signal E to indicator lamp 212 and switch 213, so that lamp 212 lights and make switch 213 to connect, and makes 220 operations of door open-close discriminating unit.
Then, 220 beginnings of door open-close discriminating unit are sent clock signal K to counter 222, and therefore, counter 222 will send processing section 223 to according to clock signal K count signal N that calculate and that reflect the time.
If within fiducial time T, door 7 is ON/OFF, and as shown in figure 41, the open/close door open-close sensor 230 of reflection door 7 sends detection signal P to processing section 223.As a result, water supply operation signal W is sent to the water supply control section in processing section 223, to be finished the operation of supplying water by this water supply control section.Then, stop signal S is sent to switch 213 and indicator lamp 212 in processing section 223
1With shutdown signal S
2, turning off door open-close discriminating unit 220 and power supply 214, and turn off indicator lamp 212.
As mentioned above, even setting is the sky supply flume, the automatic ice-making plant with above-mentioned water supply detecting unit has only the operation of just supplying water when supply flume is water-filled.Therefore, prevented owing to supply flume is the empty problem that ice can be made of not having.And the water supply detecting unit can be made of the microprocessor simple in structure of an electricity.Therefore, the supply flume that has complex mechanical construction that can omit as shown in figure 46 is provided with detecting unit.
Claims (22)
1, a kind of automatic ice-making plant comprises:
A supply flume, it comprises a demand chamber that has a water inlet and a delivery port, and valve cell of forming by the outlet valve of an inlet valve that has the described water inlet of opening/closing and a described delivery port of opening/closing, when water when supply flume is introduced into demand chamber, described valve cell can drive outlet valve and inlet valve to close delivery port and to open water inlet, when water when demand chamber is discharged, described valve cell can drive outlet valve and inlet valve, to open delivery port and described water inlet;
A water storage dish;
One by action bars operation valve cell, with the delivery port by demand chamber the water in the demand chamber is fed to driver element in the water storage dish;
An ice-making disc; And
One is fed to supply-water pump in the ice-making disc with water by described water storage dish.
2, automatic ice-making plant as claimed in claim 1 also comprises:
Article one, at the drainage channel of described water storage tray bottom;
The draining valve of a described drainage channel of opening/closing; With
The control module of a described draining valve opening/closing of control.
3, automatic ice-making plant as claimed in claim 1 or 2, wherein said driver element and described supply-water pump are to form one each other.
4, automatic ice-making plant as claimed in claim 3, the driver element and the supply-water pump of wherein said one comprise:
Motor with a rotating shaft;
A positive operation mechanism that links to each other with the rotating shaft of described motor is used to make described action bars to start described valve cell when described motor is rotated in the forward; With
A reverse operating mechanism that links to each other with the rotating shaft of described motor is used to make described motor to play pump when the motor reverse rotation.
5, as each described automatic ice-making plant in the claim 1 to 4, wherein said supply flume is removable, and can be placed on the position of an expection, and described device also comprises:
One is suitable for the display part lighting and close; With
A groove is provided with detecting unit, it can be after supply flume be set up through a predetermined time interval stop the operation that described driver element shows described display part, described groove is provided with detecting unit can also not show the display part after described groove is removed.
6, a kind of automatic ice-making plant comprises:
A supply flume that has a delivery port, draw water a gauge line and a valve cell, the above-mentioned gauge line that draws water centers on above-mentioned delivery port, the above-mentioned delivery port of above-mentioned valve cell energy ON/OFF,
One by the driver element of action bars operation valve cell to allow water flow out from supply flume by delivery port;
An ice-making disc;
The storage disc of the water that storage is flowed out from described supply flume, when water surface reached the front end of the described gauge line that draws water in the described water storage dish, the internal volume of water storage dish equated with the whole volume of described ice-making disc;
One is fed to supply-water pump in the ice-making disc with water by described water storage dish.
7, automatic ice-making plant as claimed in claim 6 also comprises the cap of being made by elastomeric material, and this cap contacts with described action bars so that driver element is realized the liquid sealing.
8, as claim 6 or 7 described automatic ice-making plants, wherein said driver element has a ventilation member that is used to make described cap ventilation.
9,, also comprise a granular membrane that is placed near described water storage tray bottom as each described automatic icing equipment in the claim 6 to 8.
10, as each described automatic ice-making plant in the claim 6 to 9, also comprise:
Bottom links to each other with described supply-water pump suction side and front end is placed on the soft suction hose in the described water storage dish; With
A bottom is discharged side with described supply-water pump and is linked to each other, and front end extends the delivery hose in the described ice-making disc;
The position of wherein said supply-water pump is than water storage dish height.
11, automatic ice-making plant as claimed in claim 10 wherein forms a groove, and the front end of described soft suction hose is fixed in the described groove in described water storage dish bosom.
12, as claim 10 or 11 described automatic ice-making plants, wherein said supply-water pump is a monoblock pump, it has the motor and a pair of gear screw rod that is connected with electric machine rotational axis that have a rotating shaft, the said gear screw rod is engaged with each other, so that water enters described delivery hose from described suction hose.
13, automatic ice-making plant as claimed in claim 12 has a shock-resistant member on the wherein said supply-water pump.
14, as each described automatic ice-making plant in the claim 10 to 13, wherein said delivery hose comprises:
One first delivery hose, the described supply-water pump outlet side of one end links to each other, and the other end links to each other with a tube connector, this tube connector is connected on the pars intermedia bulkhead that ice-making disc and supply flume, driving mechanism, water storage dish and supply-water pump are separated.
One second delivery hose, the one end be placed in the described ice-making disc, and the other end is fixed on the tube connector by a seal.
15, as each described automatic ice-making plant in the claim 10, the front end of wherein said delivery hose has splashproof parts, spills from ice-making disc with the water that prevents to discharge.
16, as each described automatic ice-making plant in the claim 10, wherein said delivery hose comprises an adjusting part of regulating discharge, splashes to prevent water stream.
17, as each described automatic ice-making plant in the claim 6 to 16, also comprise a control section, make the driver element operating time longer by controlling described driver element than the time that water surface reaches the gauge line front end that draws water, then, driver element quits work, so that make water stop to discharge from supply flume and supply-water pump being brought into operation.
18,, wherein be reset or open and when depressing Test Switchboard described supply-water pump one period scheduled time of running when refrigerator doors when described control section as each described automatic ice-making plant in the claim 6 to 17.
19, a kind of automatic ice-making plant comprises:
Whether detection has water to be fed to water supply detecting unit in the ice-making disc;
Control is fed to water supply control section in the ice-making disc to water;
A door open-close discriminating unit, when described water supply detecting unit detects when not having water to be fed to ice-making disc, above-mentioned discriminating unit work, so that judge whether opening/closing of refrigerator doors at the fixed time at interval, if determine refrigerator doors ON/OFF, then described water supply detecting unit is still worked, and send a water supply operation signal to the water supply control section, in ice-making disc, to supply water,, then send a signal that stops to supply water and operating if judge that refrigerator doors does not have ON/OFF.
20, a kind of automatic ice-making plant comprises:
One has a delivery port, the supply flume around the valve cell of the draw water gauge line and the described delivery port of energy opening/closing of described delivery port,
An ice-making disc,
A water storage dish, when the water surface of the water of storing in the described water storage dish reached the front end of the described gauge line that draws water, its internal volume equated that with the full volume of described ice-making disc the bottom of water storage dish links to each other with the feed pipe that extends to ice-making disc,
Driver element with action bars of a described valve cell of operation flows into the described water storage dish from supply flume to make water by described delivery port, and the valve with respect to the valve gear reverse operating of above-mentioned ON/OFF feed pipe.
21, a kind of supply flume that is used for an automatic ice-making plant, described supply flume comprises:
Transparent box that is filled with water and
A lid that combines in the mode of fluid-tight with described box.
22, a kind of supply flume that is used for an automatic ice-making plant, described supply flume comprises:
Box that transparent part is arranged that is filled with water and
A lid that combines in the mode of fluid-tight with described box.
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8668/1994 | 1993-01-28 | ||
JP30273/1993 | 1993-02-19 | ||
JP30273/93 | 1993-02-19 | ||
JP3027393 | 1993-02-19 | ||
JP8668/94 | 1994-01-28 | ||
JP00866894A JP3577099B2 (en) | 1993-02-19 | 1994-01-28 | Automatic ice making equipment |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1097504A true CN1097504A (en) | 1995-01-18 |
CN1106556C CN1106556C (en) | 2003-04-23 |
Family
ID=26343228
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN94103238A Expired - Fee Related CN1106556C (en) | 1993-01-28 | 1994-02-19 | Apparatus for automatically making ice and water tank for the same |
Country Status (7)
Country | Link |
---|---|
JP (1) | JP3577099B2 (en) |
CN (1) | CN1106556C (en) |
GB (1) | GB2275328B (en) |
HK (2) | HK1000186A1 (en) |
ID (1) | ID17178A (en) |
MY (1) | MY110540A (en) |
SG (1) | SG43844A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107606838A (en) * | 2016-07-12 | 2018-01-19 | 东部大宇电子株式会社 | It is provided with the refrigerator of ice maker and water supplying unit |
CN110440500A (en) * | 2018-05-02 | 2019-11-12 | 大宇电子株式会社 | Automatic water filling distributor for refrigerator |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3108855B2 (en) * | 1995-09-14 | 2000-11-13 | 松下冷機株式会社 | Ice making equipment |
JPH11101538A (en) * | 1997-09-26 | 1999-04-13 | Sanyo Electric Co Ltd | Refrigerator |
KR100356542B1 (en) * | 2000-12-29 | 2002-10-19 | 삼성전자 주식회사 | Refrigerator Having Freezing Compartment |
JP4238670B2 (en) * | 2003-08-19 | 2009-03-18 | 三菱電機株式会社 | Refrigerator water supply device, refrigerator |
KR20060060447A (en) * | 2004-11-30 | 2006-06-05 | 엘지전자 주식회사 | Ice-maker for semi-automatically supplying water to ice-making mold |
FR3033398B1 (en) * | 2015-03-03 | 2017-03-10 | Lmac La Machine A Cafe | ACCESSORY DEVICE FOR TREATING LIQUID FOR A GLAZING MACHINE AND MACHINE COMPRISING SUCH AN ACCESSORY DEVICE. |
US20210341201A1 (en) * | 2018-10-02 | 2021-11-04 | Lg Electronics Inc. | Refrigerator |
US11226146B2 (en) | 2019-04-30 | 2022-01-18 | Whirlpool Corporation | Icemaker assembly |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB422394A (en) * | 1933-09-13 | 1935-01-10 | Organotherapeutische Werke G M | Bottle with measuring device |
GB1150018A (en) * | 1966-10-14 | 1969-04-30 | Metal Containers Ltd | Improvements in or relating to a Method of Making a Container |
GB1179117A (en) * | 1966-11-29 | 1970-01-28 | Ici Ltd | Plastics Containers. |
IT1198360B (en) * | 1982-03-09 | 1988-12-21 | Eurodomestici Ind Riunite | ICE PRODUCER WITH FEED PUMP, ESPECIALLY FOR DOMESTIC REFRIGERATORS WITH MULTIPLE STORAGE COMPARTMENTS |
GB2174670B (en) * | 1985-05-10 | 1988-11-09 | Metal Box Plc | Containers |
DE3903980A1 (en) * | 1989-02-10 | 1990-08-16 | Thorsten Seufert | FOR EMPTY PACKAGING CONTAINERS AND METHOD FOR THE PRODUCTION THEREOF |
-
1994
- 1994-01-28 JP JP00866894A patent/JP3577099B2/en not_active Expired - Fee Related
- 1994-02-17 MY MYPI94000375A patent/MY110540A/en unknown
- 1994-02-18 ID IDP973236A patent/ID17178A/en unknown
- 1994-02-18 SG SG1996002072A patent/SG43844A1/en unknown
- 1994-02-18 GB GB9403093A patent/GB2275328B/en not_active Expired - Fee Related
- 1994-02-19 CN CN94103238A patent/CN1106556C/en not_active Expired - Fee Related
-
1997
- 1997-09-02 HK HK97101708A patent/HK1000186A1/en not_active IP Right Cessation
- 1997-09-02 HK HK97101709A patent/HK1000193A1/en not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107606838A (en) * | 2016-07-12 | 2018-01-19 | 东部大宇电子株式会社 | It is provided with the refrigerator of ice maker and water supplying unit |
CN110440500A (en) * | 2018-05-02 | 2019-11-12 | 大宇电子株式会社 | Automatic water filling distributor for refrigerator |
Also Published As
Publication number | Publication date |
---|---|
CN1106556C (en) | 2003-04-23 |
MY110540A (en) | 1998-07-31 |
JP3577099B2 (en) | 2004-10-13 |
ID17178A (en) | 1997-12-04 |
GB2275328B (en) | 1997-02-05 |
GB2275328A (en) | 1994-08-24 |
HK1000193A1 (en) | 1998-01-27 |
SG43844A1 (en) | 1997-11-14 |
HK1000186A1 (en) | 1998-03-20 |
GB9403093D0 (en) | 1994-04-06 |
JPH06300402A (en) | 1994-10-28 |
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