TWI245873B - Refrigeator - Google Patents

Abstract

A refrigerator is provided. Even the refrigerator is put horizontal for storage or transfer during recycle, a freezing machinery oil inside a compressor would not flow into a cabinet, so that there is no misgiving about ignition of HC refrigerant. The refrigerator has a refreezing cycle and a machinery room 2, wherein the refreezing cycle consists of compressor 9 using flammable refrigerant, condenser, throttling unit, and cooler. The machinery room is formed under an insulating box, and a pipe 15 led out from the refreezing cycle member in a body 1 and connected to the compressor is disposed while the compressor is disposed; characterized in that while a portion of the pipe 15 connecting to a lead-out portion 15a of machinery room and a junction portion 9a formed on the surface of the compressor is disposed in an over-lapping way along the width direction of the compressor at the condition of standing, a elongation portion 15c is disposed from the backside of the compressor toward the front.

Description

1245873

TECHNICAL FIELD The present invention relates to a refrigerator, and a compound (h y d r oc a r b ο η) is cold drawn Λ, 丨] relates to the use of a hydrocarbon. The piping of the machinery room of the refrigerating cycle is based on the prior art. Recycling of home appliances is performed by the machine. Excerpts are selected based on each raw material. In recent years, it has been mobilized to environmental issues and decomposed or destroyed during disposal. In the case of a refrigerator, as shown in Figure 5 + m, remove the refrigerant pressure at the same time as the components removed: machine = = easy to deal with, and then the entire cabinet (cabinet) is destroyed to treat ^ P, (urethane ) 7 or more refrigerant compressors such as heat-insulating materials or metal are installed in the casing (case ^^ selected method. After removing the oil, destroy it (to: = etc. draw out the cold Kangshi to recognize the catty ~ magic special) The materials should not be screened, and the cooler or refrigerant piping is externally destroyed, and then screened again. Also: the water tank, and the refrigerant in the cold rolling cycle is corresponding to the fluorine gas ⑴〇n gas) to large oxygen ( The problem of the destruction of the ozone layer or the warming of the global environment is the replacement of the conventionally used hydrofluorocarbon (HFC) with the use of ozone-free destruction and isobutane with a low global warming coefficient. (Is〇butan) (R6〇〇a) and other hydrocarbon-based refrigerants (hereinafter referred to as "HC refrigerant"). This type of HC refrigerant, such as Isotin, as shown in Figure 6 The dissolution curve of the compressed branch chiller oil shows that its dissolution is high, especially at low levels.

1245873 ~ ________ ____ 5. Description of the invention (2) '' " " The temperature range has very high characteristics. In addition, HC refrigerant is a kind of flammable refrigerant. When leakage of refrigerant occurs, ignition by sparks or the like may develop into a fire. In the case of using HC refrigerant, due to the defect in the manufacture of the refrigerator or the impact during transportation, even if the leakage of the refrigerant occurs, it is necessary to ensure the safety without fire and other problems. / The degree of induction is either a pressure sensor or a pressure sensor. In addition, the d memory value is compared to determine whether there is a refrigerant leakage structure (for example, according to Patent Document 1) or a refrigerant leakage detection side machine is installed around the cooler. When the refrigerant leaks, the defrost water is also used. The drainage communication hole 'is a structure that forcibly discharges the leaked refrigerant together with air to the outside (see Patent Document 2) and the like. [Patent Literature 1] Japanese Patent Laid-Open No. 9-1 4 8 1 1 [Patent Literature 2] Japanese Patent Laid-Open No. 9-3 2 9 3 8 6 However, the case where the refrigerator is reprocessed is related to The transfer form is different when it is sold or in use. It is stacked in a state other than the normal upright state, that is, in a horizontal position, and is often stored or transported. Therefore, it is usually compressed in a recipro type The refrigerating machine oil in the lower part of the machine (69) may remain in the piping on the side of the outer box (1) through the inlet pipe (75) of the piping of the refrigeration cycle. The structure of the conventional machine room is shown in Fig. 7. The input pipe (7 5) introduced into the machine room from a cooler (not shown) is connected to the compressor.

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V. Description of the invention (3) (6 9), when the left side of the figure is above when the refrigerator is placed horizontally, from the outlet side of the compressor (=) of the tube (75), the outlet side is reversed to the lower side. The refrigerator oil is discharged horizontally. If the refrigerator oil flows out under gravity by gravity, the compressor (69) is inside the piping inside the outer box body (61). Dagger rain into the official (7 5) into the refrigerator before the recirculation of the refrigerator 'is to ensure that in winter, due to the low temperature of the outer box, to the outside of the majority of the HC refrigerant, the amount of dissolved in the roller oil increases It is cold flowing into the outer box body at low temperature. ”” One Q frozen branch oil together in a large amount in the above state, add the outer box body ^ ^ ^ ^ ^ various piping flow of the destruction of the cold aging cycle: the occasion of processing 'from destroying a large amount of flammable refrigerant HC refrigerant ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,-to, to-be ,, the problem of freezing engine oil caused by the soldiers. ',', There is a high risk of ignition caused by the invention. Refrigerant Refrigerator, although the f is carried out to provide the use of flammability or transport, the box is stored in a horizontal position, and the person, + small stack of frozen The & structure where the oil does not flow into the outer box does not cause the HC refrigerant in the refrigerating machine oil to ignite. Relative to each other ,,,,. In order to solve the above problems, the Shen & Department has a refrigeration cycle and a mechanical t two specialized: the compressor of the refrigerating refrigerant described in the first item, the condensation cryogenic = t-shaped circulation system is formed by the use of a combustible chamber system The machinery formed by the box office, r, 卽, and cooler is equipped with the compressor from the above refrigeration cycle. At the same time that the compressor is installed, it is characterized by the following features: Connect the piping to the compressor. Fire phase inward to the machine room outlet and the compressor

12127pif.ptd Page 8 V. Description of the invention (4) The part of the piping between the C section of the technical stack and the C section. On the back of the eyepiece 6 度 At the same time as the direction of view, ★ This is the extension of the square. With the structure outside the eve, it is pumped horizontally or in an inclined state in a recirculation compressor, and the refrigerator flows into the outer box with the HC t freezer oil in straight oil. It can: 'It can prevent the possibility of fire from the match bow. ^ ^ Dissolved in the invention described in item 2 of the freezer official patent dry enclosure Γ :: t: cold; the east cycle is made by using the machine 2 and has a cold beam cycle and machinery = ,: department, the compressor The same: the room is formed in the insulation box and the components of the clothes are exported, so that the above-mentioned compression f is frozen in the body from the above-mentioned freezing in the 'outlet part of the connected machine room and the piping here. It is characterized in that a part of the piping formed between the connected parts is arranged in the width direction of the compressor surface on the side of the compressor. The water knife M is overlapped and extended from the back of the compressor. 形成 P " 卩At the same time, the invention described in item 3 of the end part extends the stored water f. Scope of patent application and cooler: the compressor, condenser, and throttling device are installed at the same time as the compressor ... ^ The lower part of the Bage phase body is provided with the above-mentioned pressure feeding machine ^ μ inside the body The refrigerating cycle member guides the matching between the lead-out part connected to the lead-out part and the lead-out part connected to the machine room, and the part connected to the lead-out surface formed by the pressure surface of π, ~ Ί Ding Gong 'can prevent from + + The water storage bend extending from the back of the compressor to the front, and the water storage bend formed from it, has a simple structure. "1245873 V. Description of the invention (5) The inflow of the refrigerating machine oil to the outer side of the machine. Scope of patent application One of the parts described in item 4 is composed of a compressor with a large width = clear, and it is a piping structure that makes the piping simple and standardized. The central part is characterized by the inflow of refrigerating machine oil. The equipment room described in item 5 of the scope of the patent application on the outer box side. Among them, the refrigerating cycle is composed of ^ a and a compressor having a refrigerating cycle and a condenser, a throttling device and a cooler. , Box body, set At the same time as the compressor, the mechanical chamber is formed in the adiabatic ring member and is connected to the above-mentioned compression = the above-mentioned freezing inside the body is still installed on the piping connected to the input pipe of the compressor. It is characterized by making it heavier, By considering that the specific gravity of the hard f valve provided on the input pipe is simpler than that of the refrigerating machine oil and can suppress the specific gravity of the freezer = $ = to the outer tank side, the above-mentioned principle and resumption of the present invention can be made more obvious. The following is a more detailed description of the best practice, features, and advantages can be explained in more detail as follows: ... 1, in conjunction with the drawings, the following embodiments, according to the drawings to illustrate one of the present invention = box of the machine room seen behind The oblique view of the state: the rear lower part of the outer box body 构成 composed of a heat-insulating box, and the bottom ς, the left and right side plates (5), (6), and the bottom under the outer wall, to form a bottom platform (7) Partition formation. The formation of the machine room (2) on the bottom table (7) of the chemical system 1 is provided with a compressor (9) with a buffer (CDsh10n). The compressor (9) constitutes a cold ; East Cycle

1245873 V. Description of the invention (6)-A ring 'outputs the refrigerant from the output pipe (10) through the heat pipe arranged on the back of the outer box (3), the side plates (5), (6), and the bottom of the body The formed condensation is (1 1) and a throttling device (1 2), which is introduced into a cooler (not shown) arranged in the outer box for cooling. Although there is also a rotary type, it is mainly used now The reciprocating type using a low-pressure case is more common. The vaporized refrigerant that evaporates in the cooler is returned to the input pipe (1 5) of the compressor (9), which is led out from the lower side of the rear box (3) of the outer box to the machine room (2). The outlet side of the inlet pipe (1 5) is directly connected to the input portion (9a) formed on the casing surface of the compressor (9). At this time, the input pipe (1 5) is extended from the lead-out section (15a) to the machine room (2) to the approximate central position in the width direction of the compressor (9), and is extended in a U-turn A water trap (i 5b) is provided, and the end is connected to the space between the lead-out section (1 5 a) and the compressor (9) from the back of the compressor to the front. The U-turn is used to form a second water storage curve (5c) at the roughly central position of the compressor depth dimension, and its tip is connected to the input section (9a) of the compressor (9). Also, at this time, the input portion (9a) is not on the side of the compressor casing as shown in FIG. 1, but may be provided on the back portion of the casing (9e) having a circular shape. Figure 2 is a schematic cross-sectional structure of a reciprocating compressor. In a normal standing state of a refrigerator, the pair of output pipes (10) or input pipes (15), a motor (9b), a compression cylinder (9c), and a refrigerator oil (1 b) is enclosed in the casing (9e) of the compressor (9) in the state shown in the figure. With the above piping structure, the refrigerator is placed in a horizontal or inclined state, for example

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For example, input B (1 5) to the outlet of the machine room (2), that is, the left side plate (5) of the box body (1) outside the figure 1 is placed horizontally below, although the compressor (9 inside Cold / East engine oil (; [6) is flowing out of the input pipe (丨 5) by gravity, and the input officer (1 5) is extended approximately to the center of the width direction of the compressor side (f) and is added to U For the sub-turn, the upper end of the horizontally placed input pipe (15) is higher than the oil level of the refrigerating machine oil stored in the compressor, and the u-turn part becomes the water storage bend (15b). Prevent the inflow of the refrigerating machine oil to the side of the main body (1). When the back side of the outer case (3) is placed horizontally below, it is extended to the front of the compressor (9) to a depth of approximately the same size. The second water trap (15c) with a U-turn in the center position, the upper end of the input pipe (15) is higher than the oil level of the refrigerating machine oil in the compressor, which can prevent the refrigerating machine oil after the water trap (丨 5c) Countercurrent to the main body (丨) side of the box. Also, on the opposite side to the outlet (15a) of the input pipe (15) to the machine room. That is, the right side plate (6) of the outer box of Fig. 1 is used as the lower side, and a field t is placed horizontally. The lead-out portion (15a) of the input pipe is higher than the compressor (9) in the upper position i and in the eyepiece. Cold; East engine oil will not flow into the outer case too. 1. However, when the front face of the outer case body: =) is placed horizontally or when the top of the outer case body is in the so-called upside-down state below, The connection position of the input pipe (1 5) on the surface of the machine (9) is compared with the center position of the compressor dimensions in each of the directions above, and it is higher than the oil level of the cold rolling oil. Inside the engine (9), the outflow is cold; In the case of the reciprocating compressor of the above embodiment, the output pipe (10)

1245873 V. Description of the invention (8) In the compressor (9), the body is placed horizontally U = (9c) 'piston ⑼' 'Although the outer box & ) Drain the freezer oil. Figure 1 of Xingdi has three ML doors (3 5). According to the third picture of the above figure, δ is a number, it is to make the wheel into the camp machinery room, and lead to Bed Δ, and from the rear box of the outer box. ⑻The lower end side faces the compressor (29) outside of the private side with this wheel into the officer (35) ^ The opposite side of the lead-out side exits the d inlet pipe, and the (35) exit portion (35a) hangs down to the machine room In the part of the space between the compressor and the compressor (29), the pressure from u $ + is extended to the approximate central position of the depth dimension of the compressor. The crimping end: The rear side is extended to the opposite side and then connected to the input part (29a). ',,, According to the above piping structure, the refrigerator is placed horizontally, for example, when the left side of Figure 3 = the horizontal side below, the input section of the compressor (29) phase 2 3 5) becomes The relationship above the compressor, from then on, the cold will not leak out of the compressor, and the right side (6) is the field below. J, the input section (29a) becomes the relationship of the lower position. The part of the input pipe (35) below the compressor will not flow to the upper part of the compressor ^ 9), and will not flow into the outer box body (丨). When the back side of the outer box (3) is placed horizontally downward, as in the above embodiment, the water trap (35c) with a U-shaped turn is extended to the center of the depth dimension by extending to the front of the compressor. ), The upper end of the input pipe (35) is higher than the oil level of the refrigerating machine oil in the compactor (29), which can prevent the backflow of refrigerating machine oil after the water trap (35c) and prevent it from flowing into the outer box (丨) Inside. In addition, when the front side of the outer box body is placed horizontally downward, or

1245873 V. Description of the Invention (The upper part of the magic outer box body is the same as the following embodiment: A = In the case of an inverted state, it is the same as the above-mentioned pair of reciprocating Dongshi = Gang ^^, due to the high pressure of the shell Column Y, the dissolution amount of HC refrigerant in the field of the rotary compressor is large. The above situation 'Although the difference between cold beam motor oil is illustrated, the total possibility is greater. In terms of structure, although The special refrigerant gas system "Yi shrink: the cylinder of the machine 'output from the cylinder is in the other form of Gujin ice + set out from the output pipe. Therefore, Taiyi Γ B ^ I shouted The compressor is also the same. The refrigerant compressor is not fixed to the reciprocating type. In the case of the possibility of flowing out of the mounted rotary type, in the case of tl_ # ryiji, the output of the compressor has a double compressor oil compressor, and the shrinking machine turns in: = This output f constitutes the same structure as the j- ^ input & structure in the above embodiment. The same example is used for the invention of the human ministry and the other embodiments. As shown in FIG. 4 and the above implementation is in θ To the oblique view of the refrigerator mechanical room section with the same symbol at the $ S factory, j direction :: " The same is set for the machine's wheel inlet pipe (55). The specific gravity of the valve body (5 5 a) is heavier than that of refrigerating machine oil. The side of the medium is from the crimping machine (49) to the input pipe. (55) In order to prevent the water tank ϊ i from being destroyed or transferred during the processing, α ϊ ϊ inches, the connection of the input pipe (55) is located in the compressor, and the proportion of the check valve _ is to prevent this. In some cases, ΐ: the valve body is on the ocean, and the check valve cannot be closed. Although the outer box body is swept: Any: When the specific gravity of 3 is larger than the refrigerating machine oil, the flow of the cold engine oil = direction can also prevent the input from the compressor. tube

12127pi f.ptd Page 14 1245873 V. Description of the invention (10) As explained above, when a refrigerator according to the present invention is decomposed or destroyed during recycling, the refrigerator is not placed in a normal upright state, or placed in a horizontal or horizontal position. When stored in an inclined state and stored outdoors, or during transportation, a part of the connected piping is arranged between the lead-out part of the machine room and the input or output part of the piping formed on the compressor surface. The oil level of the refrigerating machine oil in the compressor when the side and the back are in the horizontal position is lower than the upper side. During the destruction process, it can prevent the cold oil from flowing out of the pipes in the destroyed outer box body and prevent dissolution. The outflow of flammable refrigerant in Lengkang oil can prevent the danger of ignition under certain conditions. Although the present invention has been disclosed as above with a preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art can make some changes and retouch without departing from the spirit and scope of the present invention. The scope of protection of the invention shall be determined by the scope of the attached patent application.

12127pif.ptd Page 15 1245873 Brief description of the drawings Brief description of the drawings Fig. 1 is a perspective view showing a mechanical room of a refrigerator according to an embodiment of the present invention. Fig. 2 is a sectional view showing a schematic configuration of a compressor. Fig. 3 is a perspective view showing another embodiment of the present invention and showing the same portion as Fig. 1; Fig. 4 is a perspective view showing a mechanical room portion of a refrigerator according to another embodiment of the present invention. Fig. 5 is an explanatory diagram showing the structure of destruction screening during the recycling of the refrigerator. Fig. 6 is a graph showing the change in the amount of H C refrigerant in the cold; Fig. 7 is a perspective view showing a machine room having the same structure as the conventional structure shown in Fig. 1; The label of the figure does not explain: > 1 outer box body 2 machine room 3 outer box back plate 5 left side plate 6 right side plate 7 bottom platform 9, 2 9, 4 9 compressor 9a, 29a input section 1 0 output tube

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Claims (1)

1245873 VI. Scope of patent application 1. A refrigerator comprising: a cold-kang cycle, which is composed of a compressor using a flammable refrigerant, a condenser, a throttling device and a cooler; and a mechanical room, which It is formed in the lower part of an adiabatic box body, and at the same time as the compressor is installed, a pipe leading from the refrigerating cycle member in the body is connected to one of the compressors; A part of the piping between a lead-out part of the chamber and a connecting part formed on the compressor surface is arranged so as to extend in the width direction of the compressor in an overlapping manner while being installed from the compressor. An extension of the back of the compressor faces forward. 2. A refrigerator comprising: a refrigerating cycle composed of a compressor using a flammable refrigerant, a condenser, a throttling device and a cooler; and a mechanical room formed in an adiabatic box body The lower part is provided with the compressor, and a pipe leading from the refrigerating cycle member in the body is connected to one of the compressors; and a leading part connected to the machinery room is arranged on the leading side. A part of a piping between a connected part formed on the compressor surface is extended in the width direction of the compressor to provide a water trap at the same time, and an end portion is formed from the back of the compressor. A water trap extending forward. 3. — Seeds of ice, including: Λ ----- one cold; east cycle, using a compressor that is a flammable refrigerant 12127pif.ptd Page 18 1245873 6. The scope of the patent application consists of a condenser, a throttling device and a cooler; and a mechanical room is formed under the main body of an insulation box. The refrigerating cycle member in the main body is led out by a pipe connected to the compressor; and is characterized in that a lead-out portion connected to the machine room and the compressor surface formed on the opposite side of the lead-out portion are formed. A part of the piping between successive parts forms a water trap extending forward from the back of the compressor. 4. The refrigerator according to any one of claims 1 to 3 in the scope of the patent application, characterized in that the piping is connected to at least a part of it so as to pass a substantially central portion of the width of the compressor. 5. A refrigerator comprising: a refrigerating cycle composed of a compressor using a flammable refrigerant, a condenser, a throttling device and a cooler; and a mechanical room formed in an adiabatic box body The lower part is provided with the compressor, and is arranged from the refrigerating cycle structure in the body to be connected to one of the compressor's pipes; and is characterized in that the The proportion of a check valve is colder than that of a single one; the engine oil is heavier. 12127pif.ptd Page 19