JP2001147082A - Freezing refrigerator and control method for the freezing refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a freezing refrigerator, where the user need not open and close the door for regulating the temperature, and a temperature regulator is arranged in the position being easy of temperature indication and corresponding to the pranks of children or the shocks from transportation or the shock at opening of the door, and make the parts retaining the indicator to turn roughly front common, in the door of a refrigerator different in width. SOLUTION: This freezing refrigerator has a temperature regulator provided outside the vertical section of the door, at a level of the eye line of 130 cm or higher from the setting face of itself. Moreover, this is one where the parts are made common by cutting throttle lines in the parts of a sheet metal and conforming the angles of the junction faces of injection parts.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a temperature controller for setting a temperature in a refrigerator installed in a refrigerator.

[0002]

2. Description of the Related Art FIG. 25 is a front view of a conventional refrigerator.
In the figure, 1 is a refrigerator room, 3 is a slide room, 5 is a vegetable room, 6 is a freezing room, and 10 is a temperature control unit. The uppermost stage of the refrigerator is a freezer compartment 6, and a temperature controller 10 is provided at the center of the upper end of the door of the freezer compartment 6. However, since the position of the temperature control unit is different from the height of the line of sight and is installed at a position where it cannot be seen unless the user is conscious, if the setting is inappropriate and you do not notice it, It was a difficult position to do.

Further, the temperature in the freezer compartment 6 is -18 ° C. or less, and the temperature difference between the refrigerator and the outside air is large. Inside the refrigerator (urethane foam side)
Is provided with a heater as a measure for preventing dew condensation on the substrate of the temperature controller 10. Conversely, when securing sufficient heat insulation to the temperature control unit 10, when the heat insulation is secured inside the storage to reduce the volume inside the storage, and when the temperature control unit 10 is protruded to the front side to ensure the heat insulation, There are problems in design, such as the temperature control unit 10 protruding from the door surface, and problems such as the temperature control moving or being damaged when hitting a wall or furniture when opening and closing.

FIG. 26 is a front view of a conventional refrigerator. In the figure, 1 is a refrigeration room, 4 is a switching room. This is a case where the temperature control unit 10 is installed at a low position of the refrigerator. However, since the temperature control unit 10 can be easily operated by a small child, the setting may be changed and food may be damaged.

FIG. 27 is a front view of a conventional refrigerator. In the case of a refrigerator having a low height, when the refrigerator is installed above the door at the top of the refrigerator, the height of the refrigerator is low, so that the operability of the temperature control unit 10 is good as a position, There are many cases where electronic parts are stacked at the time of shipping because of the electronic parts, and the refrigerator is low, so that there are many cases where objects are placed on the ceiling because the refrigerator is low.

[0006]

Since the conventional refrigerator-freezer is constructed as described above, if the temperature control section 10 is provided at the door of the freezing compartment 6, the temperature inside the refrigerator is as low as -18.degree. It is necessary to ensure a temperature at which dew does not condense on the electronic board and the like arranged in the control unit 10. Therefore, it is necessary to make the heat insulating material thick on the back side (inside of the chamber) of the electronic board, and the volume of the heat insulating compartment decreases. I was Further, in order not to reduce the internal volume, it is necessary to maintain the temperature in the vicinity of the electronic substrate at a temperature higher than the dew point by adding a heater or the like which increases the cost.

When the temperature control section 10 has a display function such as a liquid crystal display, the shape and height of the installation place, and the positional relationship between the display and the operation buttons are operable, easy to see, and stacked during transportation. There is a problem that the temperature control unit 10 is damaged and cannot be operated due to an impact caused by the above or a door opening / closing impact.

In addition, when the lineup of exterior colors is increased in appearance design, it is common to add colors of sheet metal panels, but since the minimum number of lots of sheet metal panels is very large, increasing the lineup of many exterior colors increases costs. There was a problem that led to

In addition, if the structure of the part is complicated, it is inevitable that the part is divided due to the restriction of the mold, and the strength of the part to be connected is reduced, and urethane leaks from the part to the design surface. .

[0010] Further, the cross-sectional shape of the door is round, and in refrigerators having different widths, a round size suitable for each width is adopted. For this reason, the thickness of the door at the inner side of about 100 mm from the side surfaces of the wide door and the narrow door has a difference of several millimeters. If the display is placed on the left or right end of the door in accordance with this round,
The display unit faces outward when the refrigerator is viewed from the front, and it is difficult for the user in front of the refrigerator to see the display unit. In addition, the difference between the rounds also affects the joint between the injection part holding the display unit and the sheet metal, and is particularly important in terms of design, and if a gap appears here, it is not only unsightly but also there is a risk of catching a nail. . Further, in order to prevent the gap from being generated, there is a problem that the cost is increased when the injection dies are laid in accordance with the rounds of the refrigerator doors having different widths.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and has been made on the electronic board of the temperature control unit without reducing the volume in the above-mentioned refrigerator and without providing a separate piece of heater or the like. In the refrigerator located at the top of the refrigerator, a refrigerator with a high internal temperature that can secure the temperature at which no condensation occurs,
By disposing the temperature control unit at a height of 130 cm or more from the refrigerator installation surface at the top and bottom of the door other than the top and bottom of the door, the display is easy to see, a good operability can be secured, and when children are mischievous or transported In consideration of the shock when opening and closing the door, the handle is extended from the temperature control unit. Further, the display section of the temperature control section is arranged in the same arrangement as that of the refrigerator, and the display section and the operation switches are arranged so that the display section is not hidden when the switches are operated.

It is another object of the present invention to provide a refrigerator in which the display portion is arranged substantially horizontally so that it is easy to see from the front, and injection parts are commonly used for doors having different widths to reduce the cost of starting the mold.

[0013]

According to the first aspect of the present invention, there is provided a refrigerator according to the present invention, wherein a refrigerating room is provided in an upper stage, and a temperature control unit having a function of setting a temperature in a refrigerator and a function of displaying a temperature is provided in the refrigerating room. Refrigerator in the refrigerator compartment door that covers the front of the
The position of the temperature control unit is provided at 130 cm or more from the refrigerator installation surface, which is the height of the line of sight.

According to a second aspect of the present invention, there is provided a refrigerator according to the present invention, wherein the temperature control unit is provided at a position other than the upper and lower ends of the refrigerator compartment door.

In the refrigerator according to the third aspect of the present invention, the temperature control unit is provided with an operation unit for setting a set temperature and the like and a display unit for displaying the set temperature and the like, and the temperature control unit is used when the refrigerator compartment door is opened and closed. It is provided above a hook portion for hanging a hand.

According to a fourth aspect of the present invention, there is provided a refrigerator according to the present invention, wherein a plurality of rooms are provided in a refrigerator, a display unit corresponding to each room is provided in a temperature control unit, and each display unit has the same arrangement as that of each room in the refrigerator. They are displayed in order.

According to a fifth aspect of the present invention, there is provided a refrigerator according to the present invention, wherein the display section is partitioned into rooms by partition lines.

According to a sixth aspect of the present invention, there is provided a refrigerator according to the present invention, wherein the temperature control unit is provided with an operation unit for setting a set temperature and the like and a display unit for displaying the set temperature and the like. The part protrudes from the refrigerator compartment door side from the temperature control part.

According to a seventh aspect of the present invention, the operation section of the temperature control section is arranged at a position where the display section is not hidden by a hand for operating the operation section.

In the refrigerator according to the present invention, the operation section of the temperature control section is provided beside or below the display section.

According to a ninth aspect of the present invention, the refrigerator compartment door is constituted by a sheet metal panel and an injection part connected to the sheet metal panel, the injection part is provided with a temperature control part and a handle part, and the injection part is replaced. It was made possible.

According to a tenth aspect of the present invention, there is provided a refrigerator-freezer comprising:
This is to narrow down the joint between the sheet metal panel and the injection component.

A refrigerator according to the present invention according to claim 11 is
The injection part is provided with a hole and the handle is provided with an insertion part to be inserted into the hole.After the handle is inserted into the hole, the inside of the injection part is filled with urethane foam, and the urethane foam is inserted between the hole and the insertion part. Of the injection part and the handle part.

A refrigerator according to the present invention according to claim 12 is
The operation unit of the temperature control unit is equipped with a room selection switch to select the room for which you want to change the temperature setting and set time, and a change switch to change the set temperature and set time of the selected room, the first operation of the room selection switch Then, the change switch is operated secondly to adjust the temperature and time.

According to a thirteenth aspect of the present invention, a refrigerator-freezer comprises:
The shape of the switch to be operated first is larger than the area of the switch to be operated next.

The refrigerator-freezer of the present invention according to claim 14 is
The display unit of the temperature control unit is a liquid crystal display unit, and has a function to display the thermistor detected temperature and abnormal location display at the time of service and development test in numerical values and characters in addition to the normal set temperature display and set time display Things.

The refrigerator-freezer of the present invention according to claim 15 comprises:
The temperature control unit can be removed from the refrigerator compartment door and used as a remote control.

According to a sixteenth aspect of the present invention, there is provided a refrigerator-freezer having a function of recognizing a switch input of an operation unit in a temperature control unit. Determining whether the switch can be accepted when inputting
If the switch is not acceptable, a voice is issued, and if the switch is not acceptable, no voice is emitted and the process returns to the step of waiting for a switch input. .

According to a seventeenth aspect of the present invention, there is provided a method for controlling a refrigerator according to the present invention, comprising: a microcomputer for controlling a refrigerator main body; and an operation part of a temperature control part, wherein communication between the microcomputer and the operation part uses serial transmission / reception. A step of transmitting data from the microcomputer or the operation unit to the operation unit or the microcomputer, a step of determining whether the data is normal when the data is received, and a step of determining whether the data is normal. The method includes a step of updating data and a step of discarding received data when there is no reception or when the received data is not normal.

[0030]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 FIG. 1 is a front view of a refrigerator-freezer according to Embodiment 1 of the present invention, and FIG. 2 is a sectional view of FIG. In the figure, 1 is a refrigerator room, 2 is a refrigerator room door, 3 is a slide room provided in the refrigerator room 1, 4 is a switching room, 5 is a vegetable room, 6 is a freezing room, and 7 is a part of the refrigerator room door 2. 8 is a base; 9 is a handle which is a handle for a user to hold when opening and closing the refrigerator compartment door 2;
Reference numeral 0 denotes a temperature controller for setting the temperature in the refrigerator.

The configuration of this refrigerator-freezer comprises, from the upper stage, a refrigerator room 1, a slide room 3, a switching room 4, a vegetable room 5 (about 6 ° C.), and a freezer room 6 on the inner floor of the refrigerator room 1. Each room is divided into different temperature zones. The slide room 3 is capable of controlling the temperature of refrigeration (5 ° C.), chilled (0 ° C.) and soft freezing (−5 ° C., -7 ° C., -9 ° C.). ° C), refrigerated (5 ° C), chilled (0 ° C),
Soft freezing (-5 ℃, -7 ℃, -9 ℃), freezing (-1
It is possible to switch to a room with a wide temperature range (9 ° C). In particular, in the soft freezing temperature range, the temperature can be adjusted in three stages, so that hard and easy-to-frozen foods (foods with high water content, block meat with low fat, etc.) have a slightly elevated temperature (-5 ° C) in the slide chamber 3 And foods that are not (-7 ° C)
2 can be ensured in the switching room 4 set as described above, and two rooms having the same target temperature zone can be secured, and the storage can be adjusted according to the characteristics of the food by varying the temperature. As a component of the refrigerator compartment door 2, a sheet metal panel 7 and an injection component called a base 8 with a part thereof cut away are connected. The base 8 is provided with a handle 9 for handling, and a temperature control unit 10 is provided immediately above the handle 9, and the temperature control unit 10 can set the temperature of each room. Further, the temperature controller 10 can check the current temperature of each room and can set the time for rapid cooling of each room. The chamber of the door provided with the temperature control unit 10 is a refrigeration room, and a high refrigeration room in which the temperature in the temperature control unit 10 can be maintained at a temperature that does not cause dew condensation on the electronic substrate. There is no need to provide a separate heater or the like.

FIG. 3 is an enlarged view of the temperature control section, handle, and base section. FIG. 4 is an enlarged view of the temperature control unit of FIG. In the figure, 8 is a base, 9 is a handle, 10 is a temperature control unit, 10a is a liquid crystal display unit of the temperature control unit 10, 10
b is a switch unit (operation unit) of the temperature control unit 10.

FIG. 4 is an enlarged view of the operation panel 10.
Reference numeral 0a denotes a liquid crystal display unit, and 10b denotes a switch unit (operation unit). As shown in the figure, the liquid crystal display unit 10a is vertically arranged so that the user can easily understand which room is currently being operated, and matches the arrangement order of each room of the refrigerator main body. In addition, a partition line is inserted for each room in each temperature zone to make it easier to understand. Here, the room arrangement of the refrigerator body is, from the top, a refrigerator room, a slide room, a switching room,
It is a freezer compartment, and the display on the liquid crystal display section 10a is arranged in the same manner from above. Note that the partition line may not be drawn, the partition may be indicated by light or the like, or the partition may be indicated by passing electricity through the liquid crystal. Further, since the temperature of each room can be adjusted, the display of the intensity of the temperature adjustment is indicated by a triangular pointer on the side of the liquid crystal display unit 10a, and the higher temperature is lower and the upper temperature is lower. They are arranged so that the strength is downward. When the button (switch) 10b is operated, the switch unit 10b is arranged beside or below the liquid crystal display unit 10a so as not to cover and hide the liquid crystal display unit 10a with a hand. Operation is possible.

As described above, the vertically arranged liquid crystal displays correspond to the order of arrangement of the refrigerator rooms, so that the display is easy to understand, and it is possible to easily grasp which room is currently set and to reduce erroneous operations. In addition, since the operation buttons 10b of the temperature control unit are arranged beside or below the liquid crystal display unit 10a, the operation can be performed without hiding the liquid crystal display unit by hand at the time of operation, and the operation is easy.

Further, since the refrigerators are sometimes stacked during transportation and delivery of the refrigerators, the operation panel 10 is arranged away from the upper end of the refrigerator compartment door where the impact and pressure of the stacking are most likely to be applied. As shown in FIG. 2, when the door is opened, a handle 9 located immediately below the liquid crystal display unit 10a has a b dimension protruding from the liquid crystal display unit 10a by 1 mm or more so that the liquid crystal display unit 10a does not directly hit the side wall or furniture.

As described above, the temperature setting display unit and the operation unit are arranged near the position of the line of sight and visible to the user without being conscious, so that the display is easy to see and the operability is good. In addition, since the refrigerator compartment door is located away from the top and bottom of the refrigerator compartment taking into account the impact of stacking during transportation and delivery, etc., board failure due to the impact during transportation and delivery can be reduced, and it is difficult for children to play. There is no mistake and the temperature adjustment that suits the user's convenience is easy. Also, since the handle is designed to protrude from the external operation board, even if it hits the side wall etc. when the door is opened, the handle first hits the role of bumper, so it is necessary to directly hit the display part and break it. It has been reduced.

FIG. 5 is a design diagram of the entire operation panel. Here, an ice making stop switch 39 is provided, and when the switch 39 is pressed, ice making is stopped. Automatic ice making can be stopped in winter, when little ice is required, or when leaving home for a long period of time, which has an energy saving effect.

In FIG. 5, an energy saving display 38 is provided on the operation panel 10, and the lamp is turned on when the apparatus is in the energy saving mode. The energy saving mode can be set by providing an energy saving switch and pressing it. However, by pressing another switch for several seconds, the energy saving mode can be turned on and off, the number of switches on the operation panel 10 can be reduced. Can be reduced. Here, the other switch is the switch 31a, and when the switch 31a is pressed for three seconds or more, the mode is set to the energy saving mode. To cancel the energy saving mode, the same switch 31a may be pressed for three seconds or more. When the refrigerator door is not opened and closed, such as when the user is away from home for a long period of time or when the user goes to bed, the energy saving mode can be set to the energy saving mode so that the motor rotation speed of the compressor can be suppressed for energy saving operation. At this time, the LED 38 lights up to notify that the energy saving operation is being performed.

FIG. 6 is a simplified flowchart showing an operation method at the time of temperature adjustment / rapid cooling time setting. Switch section (operation section) 10 on operation panel (temperature control section) 10 in FIG.
The description will be made using 31a, 31b and 31c which are b. In the figure, when it is desired to change the temperature setting, a room to be changed by the temperature control room select SW (switch) 31a as in step 10, here, any one of a refrigerator room, a slide room, and a freezing room is selected, and shown in step 11. When the set temperature is to be increased, the change SW 31b is pressed, and when the set temperature is to be lowered, the change is performed by pressing the SW 31c. Note that, in this case, the set temperature may be determined by a program that is determined when a certain time has elapsed after the setting has been changed, or a separate determination SW may be added. When changing the setting in this way, the program first selects a room to be set and then changes the set temperature. By doing so, the set temperature does not easily change even if the switch is accidentally touched. Especially in the switching room, even the temperature zone of the room changes, so that the setting of the freezing room may be incorrectly set to the refrigerator compartment and the frozen ice cream etc. may be melted. . Conversely, when tofu or the like is stored in the refrigerator compartment setting, a situation in which the tofu is frozen by mistake may be set in the freezer compartment may be considered. Therefore, the operation can be performed with separate buttons.
By setting the stages, it is possible to avoid such a problem caused by a change in the set temperature due to an erroneous operation.

The same operation may be performed for setting the quenching time. A description will be given using the switch units (operation unit) 10b 31a, 31b, and 31c on the operation panel (temperature control unit) 10 in FIG. The room to be quenched is selected by the room selection SW 32a, and the quenching time is set to 32b, for example, 1 hour →
When it is set to 2 hours and so on, and the set time is to be reduced, the SW 32c is used. The quenching method can be realized, for example, by setting the compressor and the fan motor for cooling the inside of the refrigerator to high-speed rotation.However, in the case of an erroneous operation, the compressor or the fan motor is operated at high speed when unnecessary. , Wasting electricity bills. Therefore, such an erroneous operation can be prevented by using a method of operating in two stages as in this embodiment. The advantage of such a two-step operation is that, since a room whose setting is to be changed is selected with one SW, it is not necessary to add a setting SW for each room, and the design can be simplified. This is effective in terms of cost, since the number of items can be reduced.

FIG. 5 shows a case in which two-stage operation is performed. As shown in FIG.
Switches (31b, 31c) for operating the shape of 2a) next
Or 32b, 32c) to have a larger area, for example, 2
(For example, large switch: short diameter 17 mm, long diameter 21 mm, small switch: short diameter 10 mm
The first affordance is drawn out with a long diameter of 16 mm, so that the user who actually operates can easily understand the operation without a manual.

FIG. 7 shows a method for making it easy to recognize whether or not a switch (SW) has been accepted when operating the switch (operation unit) 10b of the temperature controller 10. If a switch is input in step 20 from the state of waiting for a SW input, the switch can accept the SW in step 21
Judge whether it is acceptable or not, step 2
In step 2, for example, an alarm "beep" is sounded (sound is emitted), and if a switch that cannot be accepted is pressed, the alarm is not sounded and the process returns to step 20 to wait for the input of the SW. Therefore, it is possible to give a recognition as to whether or not the user has performed a correct operation during the operation.

FIG. 8 is a sectional view taken along the line Z-Z of the base 8 at the height of the human eye in FIGS. 2 and 3, FIG. 9 is a sectional view taken along the line Z-Z showing another specification of the base 8, and FIG. FIG. 11 is a ZZ sectional view showing the base 8 of the left-door refrigerator, FIG. 12 is a panel sectional view of the wide door and the narrow door, and FIG. YY of 8 parts of base 3
FIG. 14 is a cross-sectional view showing XX of the base 8 in FIG.

The temperature control unit (operation panel) 10 shown in FIG.
A panel 10c provided with a liquid crystal display unit and a switch unit as shown in FIGS. 9, 10, and 11 and an electronic substrate 10d having a liquid crystal mounted therein are provided. 7 is a sheet metal panel, 8
Is a base which is a component connected to the sheet metal panel 7, and d is an angle of a contact surface of the base 8 with the sheet metal panel 7. Panel 10
c is formed by inserting a PET film 10e on which the name of a refrigerator room (refrigeration room, slide room, switching room, freezer room, etc.) and strength and weakness for temperature control are printed, and a liquid crystal display. Since no printing is performed on the portion 10a (see FIG. 4), the liquid crystal display disposed on the internal substrate 10d can be seen, and the switch portion 10b (see FIG. 4) is a PET film for pressing a switch disposed on the substrate 10d. The hard injection on the back side of 10e is embossed. Also, the embossed shape of the PET film 10e varies to prevent the switch from being pressed due to shrinkage.
The clearance between the back side of the ET film 10e and the switch of the electronic substrate 10d is 0.2 to 0.5.

The outer periphery of the panel 10c to which the electronic substrate 10d is attached is surrounded by a rib, and thus has a waterproof structure, so that operation with wet hands and entry of water by water spray can be prevented. Can be done.

The height of the liquid crystal display unit 10a (see FIGS. 2 and 3) is determined by considering the average height (H7 National Nutrition Survey) of 127 cm of an 8 year old elementary school child as a position where the child's line of sight is difficult to reach. The height of 10a is 130 cm or more,
The panel 10c may be placed in an easy-to-see position, in front of it, but in consideration of design and smooth connection with other parts.
Is provided with a round R so as to face substantially the front. This substantially horizontal round R enhances the design, but when the temperature control unit 10 is arranged at the left end or right end of the door, the refrigerator door has a right-opening and a left-opening lineup. Need. Alternatively, as shown in FIG. 9, an interference component 10f that fills the difference in the round R between the PET film 10e and the switch of the electronic substrate 10d is required. However, as shown in FIG. 10 and FIG. 11, by tilting the electronic substrate 10d by 5 °, the difference between the clearance of the switch of the electronic substrate 10d and the back side of the PET film 10e opened right and left is 0.2 to 0.5 or less. And the electronic substrate 10d can be shared. Also,
Since the PET film 10e is insert-molded, it is possible to prevent water from entering the electronic substrate. In addition, the electronic boards for the right-opening door and the left-opening door can be shared without any interference parts.

As shown in the cross-sectional view of FIG. 8, the cross-sectional shape of the door is round, but the cross-section of the base 8 having the display portion is such that the display portion 10a is substantially parallel to the eyes when viewed from the front of the refrigerator. As described above, a drawing line is formed in the sheet metal panel 7 to form a connection structure with the base 8. Therefore, the display unit is not difficult to see.

FIG. 12 is a sectional view of a sheet metal panel 7 having a wide door and a narrow door. In the figure, 7a is a sheet metal panel of a wide door, and 7b is a sheet metal panel of a narrow door. Refrigerator doors have a round cross-section, and refrigerators have a lineup of products of different widths due to differences in capacity bands. Injection parts 8 are provided due to differences in round R between wide and narrow doors. When the joint structure of the sheet metal panel 7 and the
From the side, the coupling position (0 to 150 mm, FIG.
In FIG. 12, the difference e in the thickness of the door at 0 mm) is 0 mm to
It is about 10 mm. Although it is difficult to share parts because of the difference e in the door thickness, the cross section Y-Y in FIG.
As shown in FIG. 13, an angle d is provided on the contact surface between the sheet metal panel 7 and the base 8 at the joint position of the sheet metal panel 7 and the base 8, and the width of the width is set so as to make surface contact with this angle. The sheet metal panel 7 of the wide door is drawn by 7c and the sheet metal panel of the narrow door is drawn by 7d so that the angle of the base 8 joint and the insertion angle of the joint of the sheet metal panel match. No gap is formed at the joint. With this structure, the base parts 8 of doors of different widths are shared.

Therefore, even if there is a difference between rounds of the refrigerator door, no gap is generated at the joint between the injection component 8 holding the display unit and the sheet metal panel 7, and the design is good.
Also, there is no danger of catching a nail on the joint.
In addition, the same injection part 8 can be used for refrigerator doors having different widths, and even when the injection part is laid, the molding can be performed with a single mold, so that no cost is required. Here, the material of the injection component 8 is ABS or the like, which has good moldability and high gloss and is suitable for a material for design. Since the molding of the sheet metal is based on plastic deformation, it is difficult to realize the intended design shape and the cost is high. Therefore, the injection with high design reproducibility was used.

Next, FIG. 14 is a sectional view taken along line X--X in FIG. 3 showing a coupling structure between the handle 9 and the base 8. As shown in FIG. In the figure, a claw 9a of a handle 9 as an insertion member is inserted into a square hole 8a of a base 8 as an insertion hole, and at the same time, also holds a screw plate 11 and is fastened by a screw 12.

The inside of the base 8 is filled with urethane foam 13, and a small amount of urethane foam 13 is intentionally leaked from between the square hole 8 a of the base 8 and the claw 9 a for the purpose of bonding the base 8 and the handle 9. I have. The triangular rib 9b provided on the handle side is crushed by tightening the screw 12 so that the urethane foam 13 does not protrude up to the design surface side, and is pressed against the triangular rib 9b to have a urethane leakage prevention structure.

Therefore, the urethane foam leaked intentionally makes it possible to bond the parts together, and the protrusion of the urethane to the design surface side is prevented by adding a urethane leakage prevention seal to the triangle provided on the outer side of the claw portion 9a on the handle side. Urethane leakage can be prevented by press-contacting the ribs with the tightening force of the screws. If there is a gap between the members with the insertion member 9a inserted into the insertion hole 8a, that is, if the cross-sectional area of the insertion hole 8a is larger than the cross-sectional area of the insertion member 9a, urethane leaks. For example, the insertion hole 8a may have a round shape or another shape instead of a square shape, and the insertion member 9a may have another shape.

Next, FIG. 15 shows a configuration diagram of the liquid crystal display section 10a. As shown in the figure, the liquid crystal display unit 10a has, from the top, a front polarizer 23, an upper glass 24, a liquid crystal 25, a lower glass 26, a rear polarizer 27, and a reflective or anti-transmissive plate 28. Here, the space between the lower glass 26 and the rear polarizing plate 27 is adhered to an adhesive (not shown). For example, a color liquid crystal can be obtained by coloring the adhesive. By employing this, it is possible to make the liquid crystal section appear as if the backlight were lit, even if there was no backlight conventionally used, and the backlight can be eliminated. Eliminating the backlight will also save about 0.1 Wh / month. Furthermore, since there is no LED for backlight, there is no need for a diffusion plate for diffusing light throughout the liquid crystal, and the overall thickness is 5 m.
m. As a result, it can be said that it is effective to reduce the thickness of the display unit in a portion where a heat insulating portion is thick and difficult to take, such as a refrigerator door. Furthermore, the user can grasp the image at the store display without turning on the power, and can differentiate from other companies.

FIG. 16 is an assembly view of the board 10d.
(A) is a front view, (b) is a side view. As shown in the figure, a jumper wire 29 for use during service is mounted on the board 10d. The jumper wire 29 has a function of finely adjusting the temperature setting as desired by the user (for example, the set temperature is raised or lowered by 1 ° C. depending on the presence or absence of the jumper wire). FIG. 17 shows an example of a circuit using one jumper wire of this substrate. In the circuit shown in the figure, Lo (0 V) is input to the microcomputer when the jumper wire 29 is present, and Hi when the jumper wire 29 is not present.
(5V) signal is input to the microcomputer 33, and the presence / absence information of each jumper wire 29 is input to the control microcomputer 33 of the refrigerator body by communication based on the signal. By doing so, for example, if there is no jumper wire, by setting a program such as lowering the temperature setting of the refrigerator compartment by 1 ° C., the temperature setting can be changed at the time of service or the like according to the user's request. . By configuring such a service jumper wire 29 on the operation panel board on the front of the refrigerator, service can be performed from the front of the refrigerator, and as compared with a control board on the back of the refrigerator equipped with a jumper wire,
There is no need to pull out the refrigerator during service and turn around behind, and the time for service can be reduced by about 20 to 30 minutes.

Further, FIG. 18 shows a part of a front view of assembling the board BOX, but it is unnecessary to remove the board by making a hole in the board BOX as shown at 30 in the figure, so that the workability can be further improved. Further, by providing ribs that abut against the substrate around the holes of the substrate BOX, it is possible to prevent the jumper wire 29 from falling into the substrate BOX during work from outside.

FIG. 19 is a configuration diagram around the electronic substrate 10d.
(A) is a front view, (b) is a side view, and (c) is a rear view. In the figure, 10a is a liquid crystal display unit, 10d is a printed board, 21 is a board BOX made of a material such as PS, 2
2 is a fixing screw. Thus, the substrate 10d is fixed to the substrate BOX 21 with the screws 22 and the like, and the substrate BOX 21
By assembling, at the time of attachment and detachment, it becomes a two-part configuration of the decoration panel on the surface and the board BOX 21 assembling, improving workability and improving recyclability. The same effect can be obtained by fixing the substrate BOX 21 and the substrate 10d by using a nail or the like. Further, as shown in the figure, by forming the key top portion 21a including the spring structure integrally with the substrate BOX 21 and forming it as a single component, the number of components is reduced and the handleability is improved. In addition, the reduced number of components leads to cost reduction.

The refrigeration compartment door 2 has a ratio of the area occupied by the base 8 as an injection component so that the color of the base 8 is changed so that the color variation can be easily increased in combination with the color of the sheet metal panel 7. I'm making it big. Therefore, the color variation of the base portion of the refrigerator compartment door can increase the color variation at a lower cost than the color change of the sheet metal panel. Further, since the base portion is replaceable, the color variation can be increased by combining the color with the sheet metal panel.

FIG. 20 is a view showing one display example of the liquid crystal display section 10a. During service and development tests, the normal temperature display and quenching time display are changed, and the function of displaying the actual thermistor detected temperature and abnormal location display with numerical values and characters is added, so that the refrigerator status during service and development evaluation can be changed. It is easier to recognize and leads to more efficient development. The figure shows an example in which the alphabet “F” is displayed on the upper seg display and the numerical value “−20” is displayed on the middle seg. In this case, the temperature detected by the thermistor of the freezer (F for short) is It can be displayed as “−20 ° C.”. As a method of entering the mode, a separate switch may be provided on the substrate 10d of the operation panel 10 so that the user cannot operate the mode. The mode may be set by a method that is difficult for the user to perform in daily operations, such as entering the mode when the switches are simultaneously pressed for 5 seconds or more.

Embodiment 2 FIG. 21, FIG. 22, and FIG. 23 are views showing the configuration of the refrigerator and the operation board. 34
Is a wiring connecting the main body of the refrigerator 1 to the operation board 37, 35 is a light emitting section, 36 is a light receiving section, 37 is an operation board detachable from the main body of the refrigerator 1, 40 is a coil section, 41 is a coil section 40
And the like. As shown in FIG. 21, the wiring 34 connecting the operation board 37 and the main body of the refrigerator 1 is lengthened, and the structure is such that it can be extended when necessary, so that the operation board 37 provided with the temperature control unit 10 (see FIG. 3) can be wired. It can also be used as a remote control. As shown in the figure, the operation board 37 is arranged on the door side of the refrigerator 1 and the control board 10d of the refrigerator 1 main body is arranged on the back side.
Must be relayed through the hinge portion of the door, and care must be taken to prevent disconnection of the wiring 34 when the door is opened and closed. Therefore, using a non-contact communication method using infrared rays or the like similar to an air conditioner or the like, the light emitting unit 35 is arranged on the operation panel and the light receiving unit 36 is arranged on the side of the refrigerator 1 such as a hinge as shown in FIG. By using a battery-powered or rechargeable power supply for driving the panel, it becomes possible to use the panel as a completely independent remote controller, and it is not necessary to consider the breaking of the wiring of the hinge portion. Therefore, the operation of the temperature control unit 10 from a place away from the refrigerator becomes possible, and the operability is improved. Further, the operation board 37 may be operated using communication means such as a mobile phone.

When the removal is not considered,
As shown in FIG. 23, a power supply coil unit 40 and a light-emitting unit and a light-receiving unit for non-contact communication using infrared rays or the like are provided close to the door on which the refrigerator 1 body and the panel 37 are mounted, for example, provided in a container 41. In addition, power can be supplied in a non-contact manner without connecting the wiring from the main body substrate and the wiring in the door. Coil part 4
The position of 0 may be any location as long as it is close when the door is closed, and may be near the hinge or the center of the upper side. The effect of the non-contact is that the power supply from the refrigerator 1 main body does not require wiring and connection with the door side, so the refrigerator 1 main body and the door are connected through only the hinge portion where the door is in contact with the main body side. There is no need to connect with a hinge, and there is no need to worry about disconnection due to driving of the hinge, and it is not necessary to adopt a hinge specification having a hollow for passing a lead wire, which is advantageous in cost and strength.

FIG. 24 is a flowchart showing the control performed while communicating between the microcomputer for controlling the refrigerator body and the operation panel (operation board) using the communication line.
This communication uses serial transmission and reception, and when the refrigerator main body is transmitting, the operation panel side receives, and when the operation panel side transmits, the refrigerator main body receives and performs these alternately. Controls the refrigerator. After transmitting in Step 1, the refrigerator main body enters a state of waiting for reception of Step 2. If the data is received in Step 3 and the data is normal (Step 5), the data is updated in Step 6. Also, if the reception was not completed within the reception waiting time in Step 4 or the reception data was not normal in Step 5, the reception data is discarded (Step 5).
p7), wait for transmission in Step 8, and then retransmit. In this way, if reception becomes impossible or received data is abnormal, the data is not updated. If a communication error occurs, the refrigerator is operated with data immediately before the communication error occurs. This allows operation without impairing the cooling capacity. Also, Step8
If normal communication can be performed by re-transmitting after waiting for transmission, data can be updated,
The user can operate the refrigerator in accordance with the operation of the user without noticing. As described above, even if an abnormality occurs, the cooling operation can be realized while securing the minimum capacity.
In addition, on the operation panel side, the display can be performed according to the user's operation without the user noticing the abnormality.

[0062]

Since the present invention is configured as described above, it has the following effects.

The refrigerator according to the first aspect of the present invention has a refrigerator compartment at the upper stage, and has a temperature control section having a function of setting a temperature in the refrigerator and a function of displaying a temperature, and covers a front surface of the refrigerator compartment. In the refrigerator installed on the door, the position of the temperature control unit is set at 130 cm or more from the refrigerator installation surface, which is the height of the line of sight. The parts are visible and the display is easy to see and the operability is good.

In the refrigerator according to the second aspect of the present invention, since the position of the temperature control unit is provided at a position other than the upper and lower ends of the refrigerator compartment door, damage during stacking at the time of shipment can be prevented.

In the refrigerator according to the third aspect of the present invention, the temperature control unit is provided with an operation unit for setting a set temperature and the like and a display unit for displaying the set temperature and the like. The temperature control unit has good operability because it is provided above the hand-holding unit for the hand.

According to a fourth aspect of the present invention, there is provided a refrigerator according to the present invention, wherein a plurality of rooms are provided in a refrigerator, and a display unit corresponding to each room is provided in a temperature control unit, and each display unit has the same arrangement as that of each room in the refrigerator. Since the images are displayed in order, it is possible to easily grasp which room is currently set, and to reduce malfunction.

In the refrigerator according to the fifth aspect of the present invention, the display section is separated for each room by the partition line, so that the display is easy to see.

According to a sixth aspect of the present invention, there is provided the refrigerator according to the present invention, wherein the temperature control section is provided with an operation section for setting a set temperature and the like and a display section for displaying the set temperature and the like, and a hand for opening and closing the refrigerator compartment door. Since the part protrudes from the refrigerator compartment door side than the temperature control part, it is possible to prevent the temperature control from moving or the temperature control part from being damaged.

In the refrigerator-freezer according to the present invention, since the operation section of the temperature control section is arranged at a position where the display section is not hidden by the hand for operating the operation section, the operability is good.

In the refrigerator according to the present invention, since the operation section of the temperature control section is provided beside or below the display section, the operation section can be operated without covering and hiding the display section by hand. Cheap.

In the refrigerator according to the ninth aspect of the present invention, the refrigerator compartment door includes a sheet metal panel and an injection component connected to the sheet metal panel, the injection component is provided with a temperature control unit and a handhold, and the injection component is replaced. Since it is possible, it is easy to increase the color variation by changing the color of the injection part and combining it with the color of the sheet metal panel.

The refrigerator-freezer of the present invention according to claim 10 is
Since the joint between the sheet metal panel and the injection component is narrowed, the injection component can be shared for doors of different widths, the die starting cost is reduced, and the design is good.

The refrigerator of the present invention according to claim 11 is
The injection part is provided with a hole and the handle is provided with an insertion part to be inserted into the hole.After the handle is inserted into the hole, the inside of the injection part is filled with urethane foam, and the urethane foam is inserted between the hole and the insertion part. , And the injection part and the handle part are bonded to each other, so that the adhesiveness between the parts is improved by the urethane foam leaked intentionally.

The refrigerator of the present invention according to claim 12 is
The operation unit of the temperature control unit is equipped with a room selection switch to select the room for which you want to change the temperature setting and set time, and a change switch to change the set temperature and set time of the selected room, the first operation of the room selection switch Then, since the temperature and time are adjusted by operating the change switch secondly, it is possible to avoid a malfunction due to a change in the set temperature due to a malfunction by operating the switch in two stages with separate buttons.

The refrigerator of the present invention according to claim 13 is
First, since the shape of the switch to be operated is larger than the area of the switch to be operated next, the operation of the operation unit of the temperature control unit is easy to understand.

The refrigerator-freezer of the present invention according to claim 14 is
The display unit of the temperature control unit is a liquid crystal display unit, and has a function to display the thermistor detected temperature and abnormal location display at the time of service and development test in numerical values and characters in addition to the normal set temperature display and set time display Therefore, the condition of the refrigerator can be easily recognized at the time of service and development evaluation, which leads to more efficient development.

The refrigerator of the present invention according to claim 15 is
Since the temperature control unit can be removed from the refrigerator compartment door and can be used as a remote control, operation from a remote place is possible.

According to a sixteenth aspect of the present invention, there is provided a refrigerator-freezer having a function of recognizing a switch input of an operation unit in a temperature control unit. Determining whether the switch can be accepted when inputting
When the switch is acceptable, a sound is emitted, and when the switch is unacceptable, no sound is emitted and the process returns to the step of waiting for the switch input. At times, it is possible to give a recognition of whether the user has performed a correct operation.

According to a seventeenth aspect of the present invention, there is provided a method for controlling a refrigerator according to the present invention, comprising a microcomputer for controlling a refrigerator body and an operation part of a temperature control part, wherein communication between the microcomputer and the operation part uses serial transmission / reception. A step of transmitting data from the microcomputer or the operation unit to the operation unit or the microcomputer, a step of determining whether the data is normal when the data is received, and a step of determining whether the data is normal. It has a step of updating the data and a step of discarding the received data when there is no reception or when the received data is not normal. Can be realized, and display according to the operation of the user can be performed in the operation unit without the user noticing the abnormality.

[Brief description of the drawings]

FIG. 1 is a front view of a refrigerator according to Embodiment 1 of the present invention.

FIG. 2 is a sectional view of the refrigerator according to the first embodiment of the present invention.

FIG. 3 is an enlarged view of a handle and a base according to the first embodiment of the present invention.

FIG. 4 is an enlarged view of an operation panel of the refrigerator according to the first embodiment of the present invention.

FIG. 5 is a design diagram of an operation panel according to the first embodiment of the present invention.

FIG. 6 is a flowchart of an operation method according to the first embodiment of the present invention.

FIG. 7 is a flowchart illustrating a reception of an operation switch according to the first embodiment of the present invention;

FIG. 8 is a sectional view showing a base ZZ of the refrigerator according to the first embodiment of the present invention.

FIG. 9 is a sectional view showing another specification of the base ZZ of the refrigerator according to Embodiment 1 of the present invention.

FIG. 10 is a sectional view showing a base ZZ of the right-hand door refrigerator according to the first embodiment of the present invention.

FIG. 11 is a cross-sectional view showing a base ZZ of the left-opening door refrigerator according to the first embodiment of the present invention.

FIG. 12 is a panel sectional view of a wide door and a narrow door according to the first embodiment of the present invention.

FIG. 13 is a sectional view showing a base YY of the refrigerator according to the first embodiment of the present invention.

FIG. 14 is a sectional view showing a base XX of the refrigerator according to the first embodiment of the present invention.

FIG. 15 is a configuration diagram of a liquid crystal display unit according to the first embodiment of the present invention.

FIG. 16 is an assembly diagram of a printed circuit board according to Embodiment 1 of the present invention.

FIG. 17 is a partial circuit diagram showing the first embodiment of the present invention.

FIG. 18 is a diagram illustrating a substrate BOX according to the first embodiment of the present invention;
It is a part of assembly front view of.

FIG. 19 is a configuration diagram of a refrigerator operation board according to the first embodiment of the present invention.

FIG. 20 is a display example of a liquid crystal display unit according to Embodiment 1 of the present invention.

FIG. 21 is a configuration diagram of a refrigerator main body and a wired operation board according to Embodiment 2 of the present invention.

FIG. 22 is a wireless configuration diagram of a refrigerator main body and an operation board according to Embodiment 2 of the present invention.

FIG. 23 is a wireless configuration diagram of a refrigerator main body and an operation board according to Embodiment 2 of the present invention.

FIG. 24 is a flowchart showing Embodiment 2 of the present invention.

FIG. 25 is a front view of a conventional refrigerator.

FIG. 26 is a front view of a conventional refrigerator.

FIG. 27 is a front view of a conventional refrigerator.

[Explanation of symbols]

1 refrigerator room, 2 refrigerator room door, 3 slide room, 4 switching room door, 5 vegetable room door, 6 freezer room door, 7 sheet metal panel,
7a wide panel, 7b narrow panel, 7c wide drawing line, 7d narrow drawing line, 8 base, 8a square hole, 9 handle, 9a claw, 9b triangular rib, 10
Temperature control unit, 10a liquid crystal display unit, 10b switch unit, 10c panel, 10d electronic board, 10e PE
T film, 10f interference parts, 11 screw plate, 12
Screw, 13 urethane foam, 21 board box, 22 screw, 29 jumper wire, 30 board box hole, 38 LED, 39 ice stop button, 40 coil section.

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Keiji Oya 2-3-2 Marunouchi, Chiyoda-ku, Tokyo Inside Mitsubishi Electric Corporation (72) Inventor Yasuhiko Sugimoto 5-chome, Higashi-Osone-cho, Kita-ku, Nagoya-shi, Aichi 1071 Mitsubishi Electric Mechatronics Software Co., Ltd. F-term (reference) 3L045 AA05 AA07 BA01 CA02 DA02 EA01 LA18 NA19 PA03 PA04 3L102 JA01 KA01 KE06 MA01 MB05

Claims (17)

[Claims] 1. A refrigerator in which a refrigerating room is provided in an upper stage, and a temperature control unit having a function of setting a temperature in the refrigerator and a function of displaying a temperature is provided on a refrigerating room door covering a front surface of the refrigerating room.
The refrigerator according to claim 1, wherein the position of the temperature control unit is provided at 130 cm or more from a refrigerator installation surface, which is the height of a line of sight. 2. The refrigerator according to claim 1, wherein the position of the temperature control unit is provided at a position other than the upper and lower ends of the refrigerator compartment door. 3. The temperature control unit is provided with an operation unit for setting a set temperature and the like and a display unit for displaying the set temperature and the like, and the temperature control unit is provided above a hand-holding unit for putting a hand when opening and closing the refrigerator compartment door. The refrigerator according to claim 1 or 2, wherein: 4. The refrigerator is provided with a plurality of rooms, a temperature control unit is provided with a display unit corresponding to each room, and the display units are displayed in the same order as the arrangement of each room of the refrigerator. The refrigerator according to any one of claims 1 to 3. 5. The refrigerator according to claim 4, wherein the display section is divided for each room by a partition line. 6. The temperature control unit is provided with an operation unit for setting a set temperature and the like and a display unit for displaying the set temperature and the like. The refrigerator according to any one of claims 1 to 5, which protrudes from a side. 7. The refrigerator according to claim 1, wherein the operation section of the temperature control section is arranged at a position where the display section is not hidden by a hand for operating the operation section. 8. The refrigerator according to claim 7, wherein the operation unit of the temperature control unit is provided beside or below the display unit. 9. The refrigerator compartment door is composed of a sheet metal panel and an injection part connected to the sheet metal panel, wherein the injection part is provided with a temperature control part and a handle part, and the injection part is replaceable. Freezer refrigerator. 10. The refrigerator according to claim 9, wherein a portion where the sheet metal panel is connected to the injection component is throttled. 11. A hole is provided in the injection part, and an insertion part is provided in the handle part for insertion into the hole part. After the handle part is inserted in the hole part, the inside of the injection part is filled with urethane foam, and the foaming is performed. The refrigerator according to claim 9, wherein urethane is leaked from a gap between the hole and the insertion portion, and the injection component and the handle are bonded. 12. The operation unit of the temperature control unit includes a room selection switch for selecting a room whose temperature setting or set time is to be changed, and a change switch for changing the set temperature or the set time of the selected room. A refrigerator according to claim 1, wherein the switch is operated first and the change switch is operated second to adjust the temperature and time. 13. The refrigerator according to claim 12, wherein the shape of the switch operated first is larger than the area of the switch operated next. 14. A display section of the temperature control section is a liquid crystal display section. In addition to a normal set temperature display and a set time display, a thermistor detected temperature and an abnormal location display performed at the time of service or development test are indicated by numerical values or characters. A refrigerator-freezer having a function of displaying. 15. The refrigerator according to claim 1, wherein the temperature control section is detachable from the refrigerator compartment door and can be used as a remote controller. 16. A refrigerating refrigerator having a function of recognizing a switch input of an operation unit in a temperature control unit, wherein a step of waiting for a switch input of the operation unit and whether the switch can be accepted when the switch is input is determined. A step of deciding, a step of emitting a sound when the switch is acceptable, and a step of returning to the step of waiting for the switch input without emitting a sound when the switch is unacceptable. A method for controlling a refrigerator-freezer, comprising: 17. A refrigerator comprising a microcomputer for controlling a refrigerator main body and an operation unit for a temperature control unit, wherein communication between the microcomputer and the operation unit is performed by serial transmission / reception.
A step of transmitting data from the microcomputer or the operation unit to the operation unit or the microcomputer, a step of determining whether the data is normal when the data is received, and a step of determining whether the data is normal. A controller for a freezer-refrigerator, comprising: a step of updating data if present; and a step of discarding received data when there is no reception or when the reception data is not normal.