CN100337080C

CN100337080C - Protector of refrigerator adjustable valve

Info

Publication number: CN100337080C
Application number: CNB031197817A
Authority: CN
Inventors: 金相贤
Original assignee: LG Electronics Tianjin Appliances Co Ltd
Current assignee: Taizhou LG Electronics Refrigeration Co Ltd
Priority date: 2003-03-12
Filing date: 2003-03-12
Publication date: 2007-09-12
Anticipated expiration: 2023-03-12
Also published as: CN1530610A

Abstract

The present invention relates to a refrigerator which comprises a cold air circuit and a regulating valve, wherein the cold air circuit is formed in the wall bodies of a refrigerating chamber and a freezing chamber; the regulating valve is arranged on the cold air circuit and controls cold air to flow. The present invention is provided with doors which can open the refrigerating chamber and the freezing chamber, and can visually confirm the driving state of the regulating valve. The present invention comprises a through hole and a protection device of the regulating valve of the refrigerator, wherein the through hole is formed at the position of the regulating valve on the wall sides of the freezing chamber and the refrigerating chamber; the protection device covers a transparent window which protects the through hole. Users can visually and definitely judge the icing state of the regulating valve and adopt necessary measures, and therefore, the refrigerator with advanced construction is provided.

Description

The protective device of refrigerator control valve

Technical field

The invention belongs to the refrigerator control valve, particularly relate to a kind of protective device with refrigerator control valve of visual type.

Background technology

Generally, refrigerator is divided into for the refrigerating chamber of preserving ice maker container and frozen food under the temperature of setting and the refrigerating chamber that stores the refrigeration thing.The cold air of being changed by the refrigerant of freeze cycle circulation supplies in refrigerating chamber and the refrigerating chamber cabinet, so long preservation food.

Fig. 1 is to illustrate the past refrigerator structure to Fig. 4, and Fig. 1 is a front elevation, and Fig. 2 is the A-A ' sectional drawing of Fig. 1, and Fig. 3 is the A-A of Fig. 1 " sectional drawing, Fig. 4 is the B-B sectional drawing of Fig. 1.

As shown in the figure, refrigerator adds the plate washer 5 that fills by heat-barrier material and distinguishes refrigerating chamber 2 and refrigerating chamber 4, forms at refrigerating chamber 2 rear sides, covers 12 cooling unit room 1 and the cold air distributor chambers of distinguishing 15 by cooling in the past.

Be installed in cooling unit room 1 inside, carry out heat exchange for 6 li at the evaporimeter of the refrigerant by low temperature, low pressure, the part of cold air supplies to refrigerating chamber 2 by being installed in the axial flow fan 8 that rotates on the drive motors through supercooling lid 12.A remaining part freely descends by above-mentioned cooling lid 12, supplies to refrigerating chamber 4.

The cold-air supply sturcture of checking refrigerating chamber is as follows.

The cold air of supplying with to refrigerating chamber 4 from refrigerating chamber 2 is drawn into and is formed on the suction inlet that a side 12 below cover in cooling, passes through to the cool-air feed loop 31 of the below of above-mentioned suction inlet formation, supplies to refrigerating chamber 4.

Only be formed on the back side or the side of refrigerating chamber 4 to the outlet of refrigerating chamber 4 cool-air feeds, also can the back side and the side have.For balanced refrigerated compartment 4 inside, cold gas exhausting outlet should form in position by suitable quantity.

Fig. 1 has cold gas exhausting outlet to the inner back side of the refrigerating chamber of the illustrated the past refrigerator of Fig. 4 and side.

Prolong the cool-air feed loop 31 that forms from refrigerating chamber 2 and be divided into 2 the extension set

loops

32,33 that form at baffle interior.

The cold air supplied with of extension set loop 32 to the left, a part is discharged by a plurality of back side outlet 30a through the extension set loop, the back side 30 that is located at the refrigerating chamber back side by length direction, and the left side outlet 32a of the left surface of another part by being formed on refrigerating chamber 4 discharges.

The cold air of extension set loop 33 supplies is discharged by the right side outlet 33a of the right flank that is formed on refrigerating chamber 4 to the right.

Through said process, carry out heat exchange to refrigerating chamber 2 and refrigerating chamber 4 cold air of supplying with and the food that is kept at inside, become relatively-high temperature, the air of high temperature gives back loop 2a through the refrigerating chamber that is formed on baffle plate 5 inside and refrigerating chamber is given back loop 4a, comes back near the evaporimeter 6.

Simultaneously, according to circumstances be necessary to distinguish according to quantity to refrigerating chamber 2 and refrigerating chamber 4 inner cold air of discharging.Control valve 40 is installed, the composition of the driving of control part (not shown) control and regulation valve 40 on the cold air loop.

And then, above-mentioned control part is collected the information of relevant internal temperature and predefined temperature relatively from the temperature inductor (not shown) of the inside wall that is located at refrigerating chamber 2 and refrigerating chamber 4, selectively the open and close control valve.

But, control valve 40 is discharged continuously, carry out the cold air that heat exchange is cooled off with evaporimeter 6, therefore for conservation of power consumption, refrigerator inner sustain on suitable temperature, when temporarily stopping axial flow fan 8 and compressor 50, the moisture of relatively-high temperature is frozen in control valve 40 surfaces, so the problem that can not open and close control valve 40 is smoothly arranged.

Therefore, in order to remove as the frost on these control valves 40, provide the structures such as heater on every side that are installed in control valve.

But, basically all be arranged at control valve in the refrigerator on the inner cold air loop that forms of wall body of refrigerating chamber and refrigerating chamber in the past, therefore the user externally can not judge the icing state of control valve exactly, so can not according to circumstances take adequate measures.

Summary of the invention

The present invention is for the problem that above-mentioned technology exists, the refrigerator control valve protective device that provides the user can see the control valve duty are provided.

The technical scheme that the present invention takes for the problem that solves above-mentioned technology existence is:

The refrigerator control valve protective device that the present invention relates to can be observed the through hole that is formed on refrigerating chamber and refrigerating chamber wall side of all or part of dividing plate duty of control valve and position and be covered by the control valve in the inner cold air of control refrigerating chamber and refrigerating chamber loop, the door of opening refrigerating chamber or refrigerating chamber and can protect the transparency window of control valve dividing plate ledge to form outside through hole.It also can be that the rotatable cross dividing plate of revolving force that applies that a plurality of dividing plates in center form is formed by an armature spindle with the armature spindle that control valve can be formed by a dividing plate.Through hole can be seen control valve part duty.

Advantage of the present invention and the good effect person of being to use can fully observe the duty and the position of control valve, fully understand the icing state of control valve, according to circumstances take measures or start the control valve deicer.

Description of drawings

Fig. 1 is the diagram structure of refrigerator in the past to Fig. 4.

Fig. 1 is a front elevation.

Fig. 2 is the A-A ' sectional drawing of Fig. 1.

Fig. 3 is the A-A of Fig. 1 " sectional drawing.

Fig. 4 is the B-B sectional drawing of Fig. 1.

Fig. 5 is the structure of the diagram embodiment of the invention to Fig. 9.

Fig. 5 is a cross-sectional view,

Fig. 6 is the inner front elevation of the refrigerating chamber of diagram the 1st embodiment.

Fig. 7 is the inner front elevation of the refrigerating chamber of diagram the 2nd embodiment.

Fig. 8 is the refrigerating chamber cross-sectional view.

Fig. 9 is the expanded view of Fig. 8 major part

Explanation for figure major part symbol:

40: control valve, 41: armature spindle,

42: cross dividing plate, 100: through hole,

110: transparency window 101,111: limited block.

The specific embodiment

Content of the present invention exemplifies following examples now and conjunction with figs. is described in detail as follows in order further to understand:

Fig. 5 is a diagram embodiment of the invention structure to Fig. 9, Fig. 5 is a cross-sectional view, and Fig. 6 is the front elevation of the refrigerating chamber inside of diagram the 1st embodiment, and Fig. 7 is the front elevation of the refrigerating chamber inside of diagram the 2nd embodiment, Fig. 8 is the refrigerating chamber cross-sectional view, and Fig. 9 is the expanded view of Fig. 8 major part.

As shown in the figure, the present invention includes the cold air loop that is formed on refrigerating chamber 4 and refrigerating chamber 2 body of wall inside and be arranged on the control valve 40 that to control cold air flow in the middle of the cold air loop.

Also possesses the

door

60,70 of opening above-mentioned refrigerating chamber 4 and refrigerating chamber 2 in addition; can visually confirm the duty of above-mentioned control valve 40; be included in the position of control valve 40, be formed on the through hole 100 on refrigerating chamber or the refrigerating chamber cold air distribution locular wall: the transparency window 110 that covers protection through hole 100.

Refrigerator according to the present invention different with structure in the past, open the

door

60,70 of refrigerator, the user is by the transparency window 110 correct icing states of judging control valve, therefore the releasing of according to circumstances taking or starting control valve is frozen and is used heater, perhaps temporarily stops the adequate measures such as driving of refrigerator.

As long as through hole 100 and transparency window 110 can allow the user judge that exactly the situation of freezing is just enough.Therefore the whole structure that to see control valve 40 as shown in Figure 6 can be adopted, also the structure of only seeing the part of control valve 40 as shown in Figure 7 can be adopted.

According to control valve protection structure of the present invention, can be arranged in the refrigerating chamber, but on the minimum icing this point of control valve, should be arranged in the few relatively refrigerating chamber of amount of moisture.

Fig. 8 and Fig. 9 are the structure cross-sectional views that the diagram transparency window is formed on the refrigerating chamber back side.

Embodiment as shown in Figure 5, control valve 40 can be formed by a dividing plate, also can possess as shown in Figures 7 and 8 with armature spindle 41 to be cross dividing plate 42 that forms around the middle mind-set and the control part composition (not shown) of applying revolving force for cross dividing plate 42.

At this moment, a part of dividing plate of dividing plate 42 is outstanding to through hole 100 outsides, therefore can guarantee revolution space.The control valve 40 of transparency window 110 in order to cover and protect this spline structure should be taked the semicircle shape structure to the receiving space side of refrigerating chamber or refrigerating chamber.

Fig. 8 is according to the structure of embodiments of the invention diagram control valve 40 and the part sectional drawing of operating state.Control valve of being made up of for the cross dividing plate 42 that forms around the middle mind-set

armature spindle

41 and 101, the 111 restriction control valve clockwise directions of the limited blocks in the transparency window 110 or counter clockwise direction are revolved to turn 90 degrees and are formed switching cold air loop.

When adopting these structures, the user can observe the whole of control valve 40, more clearly knows icing state, and therefore the advantage that can take measures necessary is arranged.

According to other structures of refrigerator of the present invention and running the same in the past with structure.

Add the plate washer 5 that fills by heat-barrier material and distinguish refrigerating chamber 2 and refrigerating chamber 4, form by cooling at refrigerating chamber 2 rear sides and cover 12 cooling unit room 1 and the cold air distributor chambers of distinguishing 15.

Be installed in cooling unit room 1 inside, the evaporimeter by low temperature, low pressure condensation carries out heat exchange for 6 li, and the part of cold air supplies to refrigerating chamber 2 by being installed in the axial flow fan 8 that rotates on the drive motors through supercooling lid 12.A remaining part freely descends by above-mentioned cooling lid 12, supplies to refrigerating chamber 4.

Can be formed on the back side or the side of refrigerating chamber 4 to the outlet of refrigerating chamber 4 cool-air feeds, also can the back side and the side have.For balanced refrigerated compartment 4 inside, cold gas exhausting outlet should form in position by suitable quantity.

Carry out heat exchange to refrigerating chamber 2 and refrigerating chamber 4 cold air of supplying with and the food that is kept at inside, become relatively-high temperature, the air of high temperature gives back loop 2a through the refrigerating chamber that is formed on baffle plate 5 inside and refrigerating chamber is given back loop 4a, comes back near the evaporimeter 6.

Be installed in control valve 40 on the cold air loop and control its action by control part (not shown), above-mentioned control part is collected the information of relevant internal temperature from the temperature inductor (not shown) of the inside wall that is located at refrigerating chamber 2 and refrigerating chamber 4, compare with predefined temperature, selectively regulating switch valve 40.

Open the

door

60,70 of refrigerator, the user is by the transparency window 110 correct icing states of judging control valve 40, therefore according to circumstances take or temporarily stop the driving of refrigerator, or start the adequate measures such as frost of removing control valve in the specially prepd heater short time.

Claims

1. the protective device of a refrigerator control valve comprises the control valve by control refrigerating chamber and the inner cold air of refrigerating chamber loop; It is characterized in that, comprise that also the door of opening refrigerating chamber or refrigerating chamber is formed on refrigerating chamber or refrigerating chamber wall side, can observe the through hole of control valve duty and position; Cover the transparency window on the through hole.

2. the protective device of refrigerator control valve according to claim 1 is characterized in that control valve is that the rotatable cross dividing plate of revolving force that applies that a plurality of dividing plates in center form is formed by armature spindle with the armature spindle.

3. the protective device of refrigerator control valve according to claim 1 is characterized in that through hole can see control valve part duty.

4. the protective device of refrigerator control valve according to claim 1 is characterized in that through hole outside arrangement one covers and protect the transparency window of control valve dividing plate ledge.