JP6035510B2 - refrigerator - Google Patents

Description

  The present invention relates to a refrigerator structure having a high energy saving effect.

As demand for energy saving becomes strict, in a refrigerator that cools a storage room by forcibly circulating cool air generated by a cooler, not only the refrigerating efficiency of the cooler but also energy saving by temperature control is emphasized. (For example, see Patent Documents 1 and 2)
Hereinafter, a conventional refrigerator will be described with reference to the drawings.

  FIG. 11 is a cross-sectional view of a conventional refrigerator. In FIG. 11, the refrigerator main body 30 includes a refrigerator compartment 36, a freezing temperature compartment 31, and a vegetable compartment 37 in order from the top. The freezing temperature chamber 31 is disposed above the second freezing chamber 32 provided with the container 41, the ice making chamber 33 juxtaposed beside the second freezing chamber 32, and below the second freezing chamber 32 and the ice making chamber 33. The first freezer compartment 34 is configured. A cooler chamber 62 having a cooler 61 is partitioned by a partition member 50 at the back of the first freezer chamber 34, and the partition member 50 is provided with a cool air passage 50 a. The freezer compartment 34 is provided with an upper container 42, a middle container 43, and a lower container 44, which are stacked in three stages. Cold air is introduced into the containers 42, 43, 44 in communication with the passage 50 a, and the top-side cold air discharge air passage 55 introduces cold air into the container 41.

  The blower 63 is provided in the cooler chamber 62 and forcibly circulates the cold air generated in the cooler chamber 62 to the freezing temperature chamber 31, the refrigerator compartment 36, the vegetable compartment 37, and the like.

  FIG. 12 is a partial cross-sectional view of another conventional refrigerator.

  As shown in FIG. 12, a door gasket 72 provided over the entire circumference is in close contact with the end portion of the inner surface of the door 71 to prevent cold air from leaking to the outside.

  Cold air generated by the cooler 73 installed on the back of the main body is blown out from the discharge port 77 of the partition member 76 on the back surface of the storage chamber 75 by the fan 74 to cool the stored food. Yes. The cold air that has cooled the foods circulates forward and returns to the cooler 75 as indicated by the arrows.

  An air volume adjustment unit 78 is provided on the storage chamber side of the partition member 76 on the back surface of the storage chamber 75, and when it is desired to adjust the temperature without flowing cold air in the space of the storage chamber 75, the air volume adjustment unit 78 is provided. This is done by adjusting the air volume in the partition member 76 by operation.

  In response to the customer's desire to reduce power consumption by suppressing cooling at an unnecessarily high temperature according to the usage situation due to recent energy-saving acceleration, the second freezing of the refrigerator as shown in FIG. The temperature of the chamber 32 is adjusted by a mechanism that adjusts the air volume by changing the area in the air passage. This temperature adjustment is configured by a structure including a partition member 50 disposed on the back of the freezer compartment 34 like the air volume adjustment unit 78 shown in FIG.

JP 2009-139088 A JP 2004-61085 A

  However, in the above conventional configuration, in the case of different products that do not have the air passage area adjustment unit in the same box, it is necessary to prepare a partition member that does not have another air passage area adjustment unit and use it separately for each product. Moreover, there existed a problem that the air path structure of the partition member which is a big member which occupies the whole back surface of a freezer compartment becomes complicated by having an air path area adjustment part.

In order to solve the above conventional problems, the refrigerator of the present invention includes an inner box, an outer box, the inner box and the inner box.
And a heat insulating box formed by a heat insulating material filled between the outer boxes, a storage room for storing at least in a freezing temperature zone provided in the heat insulating box, and the cold air generated in a cooling room for the storage In a refrigerator comprising a blower for blowing air into a room and a top air passage member provided on the top of the storage room in the freezing temperature zone, the air volume adjustment for manually adjusting the discharge area of the cold air to the top air passage member A part of the integrated member including the top air passage opening and closing part and the opening and closing operation part is V-shaped, and the tip of the V-shaped is fixed to the air volume adjusting material. By hooking on the part and fixing the front-rear direction and the up-down direction, it is possible to reduce power consumption while suppressing costs with a simple structure.

  The refrigerator of the present invention has a manual temperature adjustment mechanism that adjusts the air passage area on the top surface partition member side, and can adjust the temperature according to the use situation. Can be provided.

Front view of the refrigerator in Embodiment 1 of the present invention The longitudinal cross-sectional view of the refrigerator in Embodiment 1 of this invention The principal part expanded sectional view of the refrigerator in Embodiment 1 of this invention. The main part expansion simplification figure of the refrigerator in Embodiment 1 of this invention The perspective view of the top | upper surface airway member in Embodiment 1 of this invention Detailed sectional drawing of the top surface airway member in Embodiment 1 of this invention The surface essential member enlarged view at the time of shielding opening of the top surface airway member in Embodiment 1 of this invention The surface essential member enlarged view at the time of shielding closing of the top surface airway member in Embodiment 1 of this invention Enlarged view of the main part of the back surface when the top air duct member is shielded in Embodiment 1 of the present invention. Enlarged view of the main part of the back surface when the top surface airway member is closed in Embodiment 1 of the present invention. Basic sectional view of a conventional refrigerator Partial sectional view of a conventional refrigerator

According to a first aspect of the present invention, there is provided a heat insulating box formed by an inner box, an outer box, a heat insulating material filled between the inner box and the outer box, and at least a freezing temperature zone provided in the heat insulating box. A refrigerator comprising: a storage room for storing in the cooling room; a blower for blowing cool air generated in the cooling room to the storage room; and a top air channel member provided on a top surface of the storage room in the freezing temperature zone. A surface air path member is provided with an air volume adjusting mechanism for manually adjusting the discharge area of the cold air, and the air volume adjusting mechanism is configured such that a part of an integrated member including the top air path opening / closing part and the opening / closing operation part is V It has a letter shape, and the front and rear direction and the vertical direction are fixed by hooking the tip of the V shape on the air volume adjusting material fixing part, so that the power consumption can be reduced. Further, by providing a function of adjusting the air volume with a simple structure, a refrigerator with reduced cost can be provided.

  According to a second invention, in the first invention, the air volume adjusting mechanism is provided on the inner side of the top surface from the storage chamber side basic configuration surface of the top surface air passage member, and is mounted on the mounting member. It is possible to prevent malfunctions caused by the stored product coming into contact with the air volume adjusting mechanism.

  According to a third aspect of the present invention, in the first or second aspect, the air volume adjusting mechanism has an operation unit operable from the storage chamber side. Usability can be improved while preventing malfunctions due to contact with the.

  According to a fourth aspect of the present invention, in any one of the first to third aspects, the air volume adjusting mechanism has a color tone different from that of the top surface air passage member, so that the storage room is looked into in actual use. Sometimes, the position of the air volume adjusting mechanism can be confirmed at a glance, and the visibility can be improved.

  According to a fifth aspect of the present invention, in any one of the first to fourth aspects, the top surface air passage member includes an inclined surface in the vicinity of the operation portion of the air volume adjusting mechanism. Pressure loss due to sudden expansion and contraction of the air path can be reduced, and the operability and visibility of the air volume adjusting mechanism can be improved.

  According to a sixth invention, in any one of the first to fifth inventions, the top surface airway member includes an upper partition wall of the storage chamber and a fitting fixing portion, so that the partition wall is assembled. A top surface airway member can be assembled simultaneously, and workability | operativity improvement can be aimed at.

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of the present invention will be described with reference to the drawings. The same reference numerals are given to the same configurations as those of the conventional example or the embodiments described above, and detailed descriptions thereof will be omitted. The present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is a front view of the refrigerator according to Embodiment 1 of the present invention. FIG. 2 is a longitudinal sectional view of the refrigerator in the first embodiment of the present invention. FIG. 3 is an enlarged cross-sectional view of a main part of the refrigerator in the first embodiment of the present invention. FIG. 4 is an enlarged simplified view of a main part of the refrigerator in the first embodiment of the present invention. FIG. 5 is a perspective view of the top surface airway member according to Embodiment 1 of the present invention. FIG. 6 is a detailed cross-sectional view of the top surface airway member according to Embodiment 1 of the present invention. FIG. 7 is an enlarged view of main parts of the surface of the top surface airway member (shield open) according to Embodiment 1 of the present invention. FIG. 8 is an enlarged view (shield closed) of the main surface members of the top surface airway member according to Embodiment 1 of the present invention. FIG. 9 is an enlarged view of main components of the back surface of the top air channel member according to Embodiment 1 of the present invention (shield opening). FIG. 10 is an enlarged view (shield closed) of the main components of the back surface of the top surface airway member according to Embodiment 1 of the present invention.

  In FIG. 1 and FIG. 2, a heat insulating box body 101 which is a refrigerator main body of a refrigerator 100 includes an outer box 102 mainly using a steel plate, an inner box 103 formed of a resin such as ABS, an outer box 102 and an inner box. 103 and a foam heat insulating material such as hard foam urethane filled in a space between the space 103 and the surroundings, insulated from the surroundings, and partitioned into a plurality of storage chambers. A refrigeration room 104 as a first storage room is provided at the top, and a second freezing room 105 as a fourth storage room and an ice making room 106 as a fifth storage room are provided side by side under the refrigeration room 104. The first freezing chamber 107 as the second storage chamber is disposed below the second freezing chamber 105 and the ice making chamber 106, and the vegetable chamber 108 as the third storage chamber is disposed at the bottom. ing.

  The refrigerating room 104 includes a refrigerating room right door 104a and a refrigerating room left door 104b, which are rotary doors, and a refrigerating room shelf 104c and a refrigerating room case 104d are appropriately disposed therein, so that the storage space can be easily arranged. doing. On the other hand, the other storage rooms have drawer doors, the second freezer compartment door 105a has a second freezer compartment case 105b, the icemaker door 106a has an icemaker case 106b, and the first freezer compartment. The upper freezer compartment case 107b and the lower freezer compartment case 107c are placed on the door 107a, and the upper vegetable compartment case 108b and the lower freezer compartment case 108c are placed on the frame attached to the door, respectively.

The refrigerated room 104 is set to a refrigerated temperature zone which is a temperature that does not freeze for refrigerated storage, and is usually set to 1 ° C. to 5 ° C., and the vegetable room 108 has a refrigerated temperature zone equivalent to the refrigerated room 104 or slightly higher The vegetable temperature range is 2 ° C to 7 ° C. The first freezer compartment 107 is set in a freezing temperature zone, and is usually set at −22 ° C. to −15 ° C. for frozen storage, but in order to improve the frozen storage state, for example, −30 ° C. May be set at a low temperature of -25 ° C.

  The second freezer compartment 105 is a first storage compartment having a freezing temperature range equivalent to that of the first freezer compartment 107 or a slightly higher temperature setting of −20 ° C. to −12 ° C. The ice making chamber 106 makes ice with an automatic ice maker (not shown) provided at the upper part of the room with water sent from a water storage tank (not shown) in the refrigerator compartment 104 and stores it in the ice making case 106b.

  The top surface portion of the heat insulating box 101 has a stepped recess shape toward the back of the refrigerator. A machine chamber 101a is formed in the stepped recess, and the compressor 109, moisture is formed in the machine chamber 101a. Houses high pressure side components of the refrigeration cycle such as a dryer (not shown) for removal. That is, the machine room 101 a in which the compressor 109 is disposed is formed by biting into the uppermost rear region in the refrigerator compartment 104.

  Thus, by providing the machine room 101a in the rear region of the uppermost storage room of the heat insulation box 101 that has become a dead space that is difficult to reach, the compressor 109 is disposed in the conventional refrigerator. The space in the machine room at the bottom of the easy-to-use heat insulation box 101 can be effectively converted as the storage room capacity, and the storage performance and usability can be greatly improved.

  The refrigeration cycle is formed of a series of refrigerant flow paths sequentially including a compressor 109, a condenser, a capillary as a decompressor, and a cooler 112, and a hydrocarbon-based refrigerant such as isobutane is enclosed as a refrigerant. Yes.

  The compressor 109 is a reciprocating compressor that compresses refrigerant by reciprocating a piston in a cylinder. In the case of a refrigeration cycle using a three-way valve or a switching valve for the heat insulation box 101, those functional parts may be disposed in the machine room 101a.

  In this embodiment, the decompressor constituting the refrigeration cycle is a capillary. However, an electronic expansion valve that can freely control the flow rate of the refrigerant driven by the pulse motor may be used.

  In the present embodiment, the matter relating to the main part of the invention described below is a type in which a compressor room is provided by providing a machine room in the rear region of the lowermost storage room of the heat insulating box 101, which has been generally used conventionally. It may be applied to other refrigerators.

  A cooling chamber 110 for generating cold air is provided on the back surface of the first freezing chamber 107, and the storage chamber consisting of the second freezing chamber 105, the ice making chamber 106, and the first freezing chamber 107 is separated from the cooling chamber 110. Therefore, a partition member 111 is configured. A cooler 112 is disposed in the cooling chamber 110 and exchanges heat with air warmed by exchanging heat with the storage chamber to generate cold air. The partition member 111 includes a storage chamber side partition member 111 a and a cooling chamber side partition member 111 b, and the cooling chamber side partition member 111 b includes a blower 113. The space between the storage chamber side partition member 111a and the cooling chamber side partition member 111b is an air duct 111c, and cool air forcedly sent out by the blower 113 is stored in the refrigerator compartment 104, the ice making chamber 106, and the first freezer compartment. 107, leading to the vegetable compartment 108.

  Further, the top surface air passage member 140 constituting the spatial air passage communicating with the air duct 111 c guides the cold air forcedly sent out by the air blower 113 to the second freezer compartment 105.

The lower space of the cooler 112 is provided with a radiant heating means 114 made of glass tube for defrosting the frost and ice adhering to the cooler 112 and its surroundings at the time of cooling. A drain pan 115 for receiving the generated defrost water, a drain tube 116 penetrating from the deepest part to the outside of the cabinet are configured, and an evaporating dish 117 is configured outside of the downstream side.

  The upper discharge port 120 is provided between the partition wall 118 that partitions the refrigerator compartment 104 and the other storage chamber and the storage chamber side partition member 111a, and the second freezing chamber 105, the ice making chamber 106, and the first freezing chamber 107 are provided. Send cool air to The cool air discharged into the storage chamber is circulated through the second freezer compartment case 105b, ice making case 106b, upper freezer compartment case 107b, and lower freezer compartment case 107c, and then provided at the lower portion of the storage compartment side partition member 111a. The returned suction port 125 is passed through and returned to the cooler 112 for circulation.

  The partition wall 118 is provided with a damper 121, and the cold air passing through the damper 121 is further divided into a refrigerator compartment duct 122 and a vegetable compartment duct (not shown). It is sent to the vegetable compartment 108.

  3, 4, and 5, the top air channel member 140 has a spatial air channel that communicates with the air duct 111 c that is a space between the storage chamber side partition member 111 a and the cooling chamber side partition member 111 b. The top air passage opening / closing part 141 is provided on the base side of the top air passage member 140 close to the storage compartment side partition member 111a. The top airway opening / closing part 141 is for manually adjusting the air volume of the cool air led to the second freezer compartment 105 by adjusting the opening area in the airway. The opening / closing operation unit 142 is arranged on the inner side of the top surface so as not to protrude from the top surface air passage member basic surface 143 which is a basic configuration surface of the top surface air passage member 140 to the inside of the warehouse.

  The top surface air passage member 140 is provided with an inclined surface on the base side connected to the storage chamber side partition member 111a, and accordingly the opening / closing operation part 142 is higher on the root side of the storage chamber side partition member 111a than on the front side. The dimensions are increased.

  A base-side root discharge port 145 and a front-side front discharge port 146 provided in the top surface air channel member 140 discharge cold air forcedly sent out by the blower 113 to the second freezing chamber 105.

  The top surface air channel member 140 has a top surface air channel member fixing portion 144 that fits and fixes with the partition wall 118 in a claw shape or a hole shape, and the top surface is in a stage before the partition member 111 is assembled to the main body. The air passage member 140 can be assembled and fixed.

  6, 7, 8, 9, and 10, the air volume adjusting member 147 configured integrally with the top airway opening / closing unit 141 and the opening / closing operation unit 142 operates the opening / closing operation unit 142 left and right. The top surface airway opening / closing part 141 operates in conjunction with it.

  The air volume adjusting member 147 has a V-shaped part of the integral member including the top air passage opening / closing part 141 and the opening / closing operation part 142, and the front end of the V-shaped part is hooked on the air volume adjusting material fixing part. The air volume adjusting member fixing portion 148 performs fixing in the vertical direction.

  The air volume adjusting member 147 has a color tone different from that of the top surface air path member 140. The top surface air path member 140 has a color tone based on white of the same color system as the color tone of the inner box 103, whereas the air volume The adjustment member 147 has a blue color tone.

The opening / closing operation unit 142 slides left and right to open and close the top air passage opening / closing unit 141. At this time, the root discharge port 145 is also opened and closed simultaneously, and when the top surface air passage opening / closing unit 141 is closed, the root discharge port is opened. 145 is also linked to close. The root air passage opening of the top air passage member 140 has a shape divided into a lattice shape, and the top air passage opening / closing portion 141 has a lattice shape and opens and closes the opening accordingly.

  About the refrigerator comprised as mentioned above, the operation | movement and an effect | action are demonstrated below. In addition, although the matter regarding the principal part of the invention described below in the present embodiment is explained based on the fully closed state of the opening of the top airway opening / closing part 141, the gap is not limited to the fully closed state. You may open it and let cool air flow and adjust the temperature.

  First, the flow of cold air in the first freezer compartment 107 will be described. The cool air cooled by the cooler 112 is forcibly blown from the upper discharge port 120 through the top air channel member 140 into the second freezer compartment case 105b by the blower 113 that rotates as the motor rotates. Cool foods that have been. Further, the cold air forcedly blown out by the blower 113 is blown out to the case in the first freezer compartment 107. The cold air that has cooled the foods joins through the gap portion between the second freezer compartment 105 and the partition wall 118, and through the gap portion between the second freezer compartment case 105b and the upper freezer compartment case 107b in the middle stage, so that the lower stage freezer The air passage is configured to be sucked from the suction port 125 through the space of the chamber case 107 c and return to the cooler 112.

  The cold air that is forcibly blown out to the upper outlet 120 by the blower 113 passes through the air passage in the top air passage member 140, and from the root outlet 145 and the front outlet 146 provided in the top air passage member 140. It is discharged toward the second freezer compartment case 105b.

  The top airway opening / closing part 141 in the top airway member 140 is disposed on the base side of the top airway member 140 on the upper discharge port 120 side, and is blown out to the upper discharge port 120 by the blower 113. The cool air is prevented from entering the top surface airway member 140, and the pressure loss can be reduced more effectively than the structure in which the top surface airway opening / closing part is provided on the front side of the top surface airway member 140. be able to.

  Since the opening / closing operation unit 142 is disposed on the inner side of the top surface so as not to protrude from the top surface air channel member basic surface 143 which is a basic configuration surface of the top surface air channel member 140, the second freezer compartment case It is possible to prevent malfunction caused by the stored item stored in 105b coming into contact with the opening / closing operation unit 142.

  The top surface air passage member 140 is provided with an inclined surface on the base side connected to the storage chamber side partition member 111a, whereby pressure loss with respect to the flow of cold air can be reduced, and the shape of the opening / closing operation unit 142 is also provided. Therefore, the shape of the opening / closing operation part 142 can be made larger on the base side than the front side, and the height can be increased, so that the visibility can be improved.

  The top air channel member 140 has a claw-shaped or hole-shaped top surface air channel member fixing portion 144 that is fitted and fixed to the partition wall 118, and is a stage before assembling the partition member 111 to the main body, and further foams a foam heat insulating material. The top surface air passage member 140 can be assembled and fixed even before filling. As a result, delivery in a state assembled to the partition wall 118 becomes possible, and assembling workability can be ensured.

  The air volume adjusting member 147 operates the opening / closing operation part 142 to the left and right, so that the integrally formed ceiling air passage opening / closing part 141 opens and closes the opening part, and performs air volume adjustment by increasing / decreasing the opening area. be able to. In addition, the opening / closing operation unit 142 has a left and right operation direction, which is different from the operation of the second freezer compartment door 105a in which the open / close operation is the front-rear direction, and thus is stored in the second freezer compartment case 105b. It is possible to prevent malfunction caused by an object coming into contact with the opening / closing operation unit 142.

The air volume adjusting member 147 has a V-shaped shape around the opening / closing operation unit 142, so that when the V-shaped portion is temporarily contracted when incorporated into the top surface air channel member 140, the V-shaped tip is rebounded Is fixed to the air volume adjusting member fixing portion 148 and cannot be removed in normal operation, and both easy assembly and strong fixing can be achieved.

  The air volume adjusting member 147 has a blue color tone with respect to the top surface air channel member 140 which is a color tone based on white of the same color system as the color tone of the inner box 103, so that the air volume adjustment is performed when the air volume adjusting member 147 is used. The position of the member 147 can be confirmed at a glance, and visibility can be improved.

  In addition, the air volume adjusting member 147 operates the top surface air passage opening / closing unit 141 and simultaneously opens / closes the root discharge port 145, so that the open / closed state of the top surface air passage opening / closing unit 141 that is difficult to see in the air passage is rooted. It can be confirmed at the exit 145, ensuring convenience during use.

  The opening portion at the base of the top surface air passage member 140 has a lattice shape, whereby the stroke size necessary for the operation of the air volume adjusting member 147 that shields the opening portion can be shortened. It becomes possible to reduce the size of the surface air passage member 140.

  As described above, the refrigerator according to the present invention has a manual temperature adjusting mechanism that adjusts the air passage area on the top partition member side, and can adjust the temperature according to the use situation. Applicable to any cooling equipment with adjustable area.

105 Second freezer compartment 105a Second freezer compartment door 118 Partition wall 140 Top air passage member 141 Top air passage opening / closing portion 142 Opening / closing operation portion 143 Top air passage member basic surface 144 Top air passage member fixing portion 145 Root discharge port 146 Front discharge port 147 Air volume adjusting member 148 Air volume adjusting member fixing portion

Claims (6)

A heat insulating box formed by an inner box, an outer box, and a heat insulating material filled between the inner box and the outer box, and a storage chamber for storing in at least a freezing temperature zone provided in the heat insulating box. In the refrigerator comprising a blower for blowing cool air generated in the cooling chamber to the storage chamber, and a top air channel member provided on the top surface of the storage room in the freezing temperature zone, the top air channel member includes the It is equipped with an air volume adjusting mechanism that manually adjusts the cold air discharge area. The air volume adjusting mechanism has a V-shaped part of the integrated member including the top air passage opening / closing section and the opening / closing operation section. The refrigerator is characterized in that the front-rear direction and the up-down direction are fixed by hooking the V-shaped tip onto the air volume adjusting material fixing part . The refrigerator according to claim 1, wherein the air volume adjusting mechanism is provided on the inner side of the top surface than the basic structural surface on the storage room side of the top surface air passage member. The refrigerator according to claim 1 or 2, wherein the air volume adjusting mechanism has an operation unit operable from a storage room side. The refrigerator according to any one of claims 1 to 3, wherein the air volume adjusting mechanism has a color tone different from that of the top air passage member. The refrigerator according to any one of claims 1 to 4, wherein the top surface air passage member includes an inclined surface in the vicinity of an operation portion of the air volume adjusting mechanism. The refrigerator according to any one of claims 1 to 5, wherein the top air passage member includes a fixing portion that fits into an upper partition wall of the storage chamber.