JPH07294115A - Refrigerator - Google Patents

Abstract

PURPOSE:To ensure further simplification of connection with the aid of a connection wire, easy repair and inspection of the connection wire, and reduction of the capacity of the connection wire. CONSTITUTION:A freezing refrigerator comprises a plurality of storage chambers formed by partitioning an inner box 1 of a body with partition walls 2, i.e., a refrigeration chamber 3, a freezing chamber 4, and a and a vegetable chamber 5, and further comprises a main control part 6 for collectively controlling the freezing refrigerator, a refrigeration decorative cover unit 7 having a subcontrol part, an ice making chamber unit 8 having a subcontrol part, and a freezing chamber decorative cover unit 9 and a vegetable chamber decorative cover unit 10 both likewise having a subcontrol part. The refrigeration chamber decorative cover unit 7 and the ice making chamber unit 8 are connected through a connection wire laid on the partition wall 2, the ice making unit 8 and the freezing chamber decorative cover unit 9 are connected through a connection wire laid on the partition wall 2, and further the freezing chamber decorative cover unit 9 and the vegetable chamber decorative cover unit 10 are connected through a connection wire laid on the partion wall 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a temperature detecting means which is provided in each of a plurality of storage chambers partitioned by a partition wall and detects an indoor temperature of the storage chambers, and a temperature detecting means provided in each of the plurality of storage chambers. Regarding a refrigerator provided with a temperature adjusting means for adjusting the room temperature of the storage room and a controlling means for controlling the temperature adjusting means based on the temperature detected by the temperature detecting means, a main controller and a sub controller The wiring of the connection line for connecting is simplified and efficiently performed.

[0002]

2. Description of the Related Art In recent years, with the diversification of electrical appliances, a large number of sensors and actuators have been used in the appliances, and the increase of connecting wires connecting the parts has resulted in price, volume, weight and reliability. It is also a serious problem from the viewpoint of the number of personnel required for processing. In such a conventional refrigerator-freezer, as shown in FIG. 7, the control unit 101 is disposed on the upper portion of the refrigerator-freezer, and the refrigerator compartment 148 and the refrigerator compartment 149 are provided.
A compressor 122 that supplies a refrigerant to an evaporator (not shown) in a predetermined position outside the vegetable compartment 150 or the inner box 136,
A heater 144 for removing frost attached to the evaporator, an electric fan 145, a freezing room 148, and a refrigerating room 149 for circulating the cool air generated in the evaporator to the respective rooms 148, 149, and 150.
Various output devices (actuators) such as an electric damper 146 provided in the cold air passage between the thermistors 141 and 14
Sensors such as 2.143 are arranged.

Since most of the control unit 101 and the above-mentioned various output devices are electrically connected in a one-to-one manner, one output device has two or more connecting wires 115,
The control unit 101 and a large number of connection lines 115 form a communication system. The connection line 115 and the power supply line 123 are arranged on the back surface of the inner box 136.

The control unit 101 includes a power supply circuit 102, a microcomputer (hereinafter, referred to as a microcomputer) 103 serving as a center of control, an input circuit 109 for receiving signals from sensors, a driver circuit 110 for various output devices, A drive circuit 111 that drives various output devices, a connector 140 that electrically connects the connection line 115 connected to the various output devices and the microcomputer 103, and the like are provided.

An AC current is supplied to the power supply circuit 102 from an AC power supply (not shown) via a power supply line 123, where a part of the voltage is stepped down, rectified and converted into a DC current. The direct current is applied to the driver circuit 11
It is supplied to various output devices via 0 and the drive circuit 111, and is further stepped down and supplied to the microcomputer 103 and the like. Further, the microcomputer 103 controls the various output devices via the driver circuit 110 and the drive circuit 111 on the basis of the signals from the sensors received via the input circuit 109, and the rooms 148, 149, 150. The temperature of is adjusted appropriately.

However, in the refrigerator-refrigerator having such a configuration, the control unit 101 and the various output devices and sensors are directly electrically connected in a one-to-one manner, so that the microcomputer 103 has the number of various output devices and sensors. Only I / O unit must be provided. In addition, the number of connecting lines 115 connecting the control unit 101 to various output devices and sensors is very large, and noise is likely to occur when controlling the various output devices.

When the number of connecting wires is large, for example, when manufacturing a refrigerator-freezer, the connecting wire mounting process becomes complicated and the mounting time is long. Further, since the length of the connecting line becomes long, a failure due to the disconnection is likely to occur, and there is a problem that the weight of the device is increased and the cost of the device is increased.

Therefore, the present applicant has filed Japanese Patent Application No. 5-31953.
No. 0 proposes that the wiring of the connecting line is simplified and efficient. This is a temperature detecting means provided in each of the plurality of storage chambers partitioned by partition walls to detect the room temperature of the storage chamber, and an indoor temperature of the storage chamber provided in each of the plurality of storage chambers. Regarding a refrigerator provided with a temperature adjusting means for adjusting the temperature and a controlling means for controlling the temperature adjusting means on the basis of the temperature detected by the temperature detecting means, wiring of a connecting line for connecting the main controller and the sub controller To simplify.

In this type of refrigerator-freezer, as shown in FIG. 6, an inner box 51 of the refrigerator-freezer body is partitioned by a partition wall 52 into a plurality of storage chambers, that is, a refrigerator compartment 53, a freezer compartment 54, and a vegetable compartment 55. There is.

The refrigerating compartment 5 is provided on the inner side surface of the refrigerating compartment 53.
A refrigerating compartment sub-control unit 56, which is a temperature adjusting means for adjusting the room temperature of No. 3, and performs various controls, is provided, and the temperature inside the refrigerating compartment 53 is detected by a refrigerating compartment makeup cover 57 that covers the inside of the refrigerating compartment 53. A refrigerating room thermistor (R thermistor) 58, an electric damper 59, a door switch (R door SW) 60 for detecting the opening and closing of the door of the refrigerating room 53, and an internal light (R internal light) 61 are provided. The thermistor 58, the electric damper 59, the door switch 60, the interior light 61, and the refrigerating room sub-control unit 56.
And a connector 62.

An ice making chamber 6 is provided above the freezing chamber 54.
3, an ice making chamber sub-control unit 64 is provided on the inner side surface of the ice making chamber 63, an ice making thermistor 65 and an ice making motor 66 are provided in the ice making chamber 63, and the ice making thermistor 65 and the ice making motor 66 are provided. The ice-making chamber sub-control unit 64 is connected by a connector 65.

The freezing chamber 5 is provided on the inner side surface of the freezing chamber 54.
4 is a temperature adjusting means for adjusting the room temperature and is provided with a freezer compartment sub-control unit 66 for performing various controls, and a refrigerating room makeup cover 67 that covers the inside of the freezer compartment 64 detects the temperature in the freezer compartment 54. A freezing room thermistor (F thermistor) 68, an electric fan 69, a door switch (F door SW) 70 for detecting opening / closing of the door of the freezing room 54, and a freezing room heater (F heater) 71 for defrosting the freezing room 54 are arranged. The freezer compartment thermistor 68, the electric fan 69, the door switch 70, the freezer compartment heater 71 and the freezer compartment sub-control unit 66 are connected to the connector 72.
Are connected with.

A vegetable room sub-control unit 73, which is a temperature adjusting means for adjusting the indoor temperature of the vegetable room 55 and performs various controls, is provided on the inner side surface of the vegetable room 55. A vegetable room thermistor (V thermistor) 7 for detecting the temperature in the vegetable room 55 on the vegetable room makeup cover 74 covering the inside.
5, a vegetable compartment heater (V heater) 76 is provided, and the vegetable compartment thermistor 75, the vegetable compartment heater 76 and the vegetable compartment sub-control unit 73 are connected by a connector 77.

A communication line 78, a commercial power supply line 79 and a DC power supply which are connection lines for connecting the refrigerating compartment sub-control unit 56, the ice making compartment sub-control unit 64, the freezing compartment sub-control unit 66 and the vegetable compartment sub-control unit 73. A wire 80 is arranged on the back surface of the inner box 51 in a cold air duct 81 for sending cold air to the refrigerator compartment 53, the freezer compartment 54, and the vegetable compartment 55, and the communication wire 78, the commercial power wire 79, and the DC power wire. The refrigerating room sub-control section 56 and the ice making room sub-control section 6
4, a main controller 82 that controls the freezer compartment sub controller 66, the vegetable compartment sub controller 73, and each sub controller to comprehensively control the refrigerator.
And are connected.

[0015]

However, the freezer-refrigerator having the above-mentioned structure has the following points to be improved. (1) In the production process, one sub-control unit needs to be connected to each part of the sensor or actuator to be controlled by the sub-control unit, and the connecting lines are concentrated at one location, so There is a lot of connection work in the back, and work efficiency is poor. (2) Since the connecting wire is arranged in the cool air duct, the length of the connecting wire and the wiring route depend on the structure of the cool air duct. This results in a large number of turns, which makes it impossible to efficiently connect to the installation position of the sub-control unit, resulting in an increase in the length of the connection line and a problem such as disconnection. (3) If a part of the decorative cover at the back of each room constitutes a cold air duct, the cold air duct will be separated into several parts, so there will be some connecting wires to be laid inside the cool air duct. Therefore, there is a problem that the number of parts such as a connector for reconnecting the separated connecting line increases.

In view of the above-mentioned problems, the refrigerator of the present invention provides a refrigerator which enables further simplification of connection by a connecting wire, easy repair and inspection of the connecting wire, reduction of the capacity of the connecting wire, and the like. The purpose is.

[0017]

According to a first aspect of the present invention, there is provided a refrigerator, wherein each of a plurality of storage chambers partitioned by a partition wall is provided with a temperature detecting means for detecting an indoor temperature of the storage chamber. The temperature control means is provided in each of the plurality of storage chambers to control the room temperature of the storage chambers, and the control means to control the temperature control means based on the temperature detected by the temperature detection means. Means, a sub-control unit provided in each of the plurality of storage chambers for controlling the temperature of each storage chamber,
A main control unit for controlling the sub-control unit to carry out overall control of the refrigerator, the sub-control unit, the temperature adjusting means and the temperature detecting means are provided on the makeup cover, and the sub-control unit, the temperature adjusting means and the temperature are provided. The decorative cover unit is formed by wiring with the detection means, and the decorative cover units are connected to each other by connecting lines that pass through the partition wall, and one decorative cover unit in the decorative cover unit and the main control unit are connected. Connected to the department.

Further, in the refrigerator according to the second aspect, the connection line includes a relay connection line arranged inside the partition wall so as to pass through the partition wall, and a unit side connection line connected to the unit. And the relay connection line and the unit side connection line are connected by a connector. In the refrigerator according to the third aspect, the relay connection line is arranged between the partition wall and the inner box of the main body forming the storage chamber.

Further, in the refrigerator according to the fourth aspect, a cold air duct hole for communicating cold air to the inside of the storage chamber adjacent to the inside of the partition wall is provided, and the connection line is arranged in the cold air duct hole. .

[0020]

In the refrigerator according to the first aspect, the connection between the sub-control section in the makeup cover unit and the temperature adjusting means or the temperature detecting means is unnecessary when the refrigerator is formed, and the connecting line of the partition wall when the makeup cover unit is attached. Just connect with.

In the refrigerator of the second aspect, it is only necessary to connect the relay connection line and the unit side connection line by the connector. The refrigerator according to claim 3 does not require a special structure for inserting the relay connection line in the partition wall, and the relay connection line can be arranged by utilizing between the partition wall and the inner box. it can.

Further, in the refrigerator of claim 4, it is sufficient to use the cool air duct hole of the partition wall and hang the unit side connecting wire of the upper decorative cover unit through the cold air duct hole to insert the same into the partition wall. It is not necessary to provide a relay connection line.

[0023]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of a refrigerator of the present invention, for example, a refrigerator-freezer, will be described with reference to the drawings. FIG. 1 is a block diagram of a refrigerator-freezer. In the refrigerator-freezer of the present invention, the inner box 1 of the refrigerator-freezer main body is partitioned by the partition wall 2 into a plurality of storage rooms, that is, a refrigerator room 3, a freezer room 4, and a vegetable room 5. It has a function and is composed of a main controller 6, a refrigerating room makeup cover unit 7, an ice making room unit 8, a freezing room makeup cover unit 9 and a vegetable room makeup cover unit 10 for comprehensively controlling the refrigerator-freezer. ing.

The refrigerating room makeup cover unit 7 includes a refrigerating room sub-control unit 11 for adjusting the temperature in the refrigerating room 3 and for other controls, which functions as a main control unit 6 as a higher-order control unit.
A refrigerating compartment door switch (R door SW) 12 and a refrigerating compartment thermistor 13 are connected as an input device to the refrigerating compartment sub control unit 11, and a refrigerating compartment interior light (R interior light) 14 and an electric motor are connected as output devices. A damper 15 is connected, and the refrigerating room makeup cover unit 7 is used for the refrigerating room sub-control unit 11, the refrigerating room door switch 12, the refrigerating room thermistor 13, and the refrigerating room interior light 14.
Also, the electric damper 15 is integrally unitized. The refrigerating compartment sub-control unit 11 includes a communication line 17 (one) for communication connection including a connector 16 for connecting to the lower ice making chamber unit 8 and a DC power supply line for external power supply. 18 (two) and commercial power line 19 (2
5) are connected in total.

The ice making chamber unit 8 includes an ice making chamber sub-control unit 20, an ice making thermistor 21 is connected as an input device to the ice making chamber sub control unit 20, and an ice making motor 22 is connected as an output device. The ice making chamber unit 8 includes an ice making chamber sub-control unit 20, an ice making thermistor 21, and an ice making motor 22.
Is integrated into a unit. Then, from the ice making room sub-control unit 20, a communication line 17 for communication connection including a connector 16 for connecting to the refrigerating room makeup cover unit 7, a connection line of a DC power line 18, a commercial power line 19,
A connecting line including a communication line 17 for communication connection, a DC power line 18 and a commercial power line 19 is connected, including a connector 16 for connecting to the lower freezer compartment cover unit 9.

The freezer compartment cover unit 9 includes a freezer compartment sub-control unit 23, and a freezer compartment door switch (F door SW) 24 and a freezer compartment thermistor 25 are connected as an input device to the freezer compartment sub-control unit 23. An electric fan 26 and a freezer compartment heater (F heater) 27 are connected as an output device, and the freezer compartment cover unit 9 serves as a freezer compartment sub-control unit 23, a freezer compartment door switch 24, and a freezer compartment thermistor 2.
5. The electric fan 26 and the freezer compartment heater 27 are integrated into a unit. From the freezer compartment sub-control unit 23, there are a total of five communication lines 17, a DC power supply line 18, and a commercial power supply line 19 for communication connection including a connector 16 for connecting to the upper ice making chamber unit 8. The connection line is connected to a communication line 17 for communication connection including a connector 16 for connecting to the lower vegetable room makeup cover unit 10, a DC power line 18, and a commercial power line 19.

The vegetable room makeup cover unit 10 includes a vegetable room sub-control unit 28, a vegetable room thermistor (V thermistor) 29 is connected as an input device to the vegetable room sub-control unit 28, and an output device. The vegetable compartment heater 30 is connected, and the vegetable compartment makeup cover unit 10 integrally integrates the vegetable compartment sub-control unit 28, the vegetable compartment thermistor 29, and the vegetable compartment heater 30. From the vegetable compartment sub-control unit 28, a communication line 17 for communication connection including a connector 16 for connecting to the upper freezer compartment makeup cover unit 9, a connection line of a DC power line 18 and a commercial power line 19, Connection lines including a communication line 17 including a connector 16 for connecting to the lower main control unit 6 for communication connection, a DC power supply line 18, and a commercial power supply line 19 are connected.

In the process of assembling the electric components of the above-mentioned refrigerator / freezer, the connector 16 for connecting the upper and lower units is used.
From the main control section 6 at the bottom to the refrigerating room makeup cover unit 7 at the top by simply attaching and fixing each of the makeup cover units 7, 8, 9, and 10 to the interior of the room,
The connection line of the communication line 17, the DC power line 18 and the commercial power line 19 is consistently and electrically connected, and the system of the entire refrigerator can be configured by communication connection.

FIG. 2 shows a second embodiment of the refrigerator / freezer according to the present invention, which is the most suitable partition wall 2 for connecting the refrigerating room makeup cover unit 7 and the ice making room unit 8 with the partition wall 2 interposed therebetween. The relay connection line 31 is arranged at the position of
The relay connection line 31 is provided on both sides where the relay connection line 31 is provided.
There is provided a connector 32 connected to the. That is, by connecting the connection line 33 (communication line 17, DC power supply line 18, commercial power supply line 19) extending from the upper and lower units 7 and 8 to the connector 32 installed on the surface of the partition wall 2, Connections are made between the units that straddle the partition wall 2 that partitions each room.

FIG. 3 shows a third embodiment of the refrigerator / freezer according to the present invention. Prior to the production process in which the partition wall 2 is fitted into the inner box 1, a parallel cable, for example, a flat cable 34 is previously used as the partition wall 2. It is installed in the connection part (between) of the inner box 1 and the inner box. Then, the partition wall 2 is fitted into the inner box 1 to fix the flat cable 34. By doing so, a relay connection line for connecting between the units in which the partition wall 2 is fitted is configured by utilizing the gap between the partition wall 2 and the inner box 1, and the relay connection line is connected to the inside of the partition wall 2. It does not require a structure to be inserted.

FIG. 4 shows a fourth embodiment of the refrigerator-freezer according to the present invention. A cold air duct hole 35 for passing cold air is inserted through the partition wall 2, and the cold room makeup cover unit 7 on the upper side is shown. The connection line 36 (communication line 17, DC power supply line 18, commercial power supply line 19) that is protruding is hung from the cold air duct hole 35, and the connection line and the connection line 37 (communication line) that is output from the ice making chamber unit 8 below. 17, DC power line 18, commercial power line 1
9) is connected with the connector 38 to connect the units sandwiching the partition wall 2. Since the units are connected by utilizing the cold air duct holes 35 existing in the partition wall 2 in the structure of the refrigerator-freezer, there is no need to provide a relay connection line in the partition wall 2.

5 (a) and 5 (b) show another embodiment of the refrigerator / freezer of the present invention, particularly the connector 3 of the fourth embodiment.
In order to prevent the condensed water droplets from flowing into the connector 38 from the upper side connecting wire 36 at the 8th portion, (a)
Is installed so that the connecting direction of the connector 38 is horizontal, and the connecting wire 36 coming from the upper side of the connecting position of the connector 38 is U below the connecting position of the connector 38 once.
By installing in a V-shape and by doing so, even if a water drop due to dew condensation travels through the connection line 36, the water drop does not drip at the lower end of the U-shape and does not reach the connection portion of the connector 38. Further, (b) shows that when the connecting direction of the connector 38 can be taken only in the vertical direction, the connecting line 36 coming from the upper part of the connecting position of the connector 38 is once installed in a U-shape below the connecting position of the connector 38. , To prevent water droplets from entering the connection part in the connector 38.

[0033]

In the refrigerator according to the first aspect of the present invention, the connection between the sub-control unit in the makeup cover unit and the temperature adjusting means or the temperature detecting means is not necessary when the refrigerator is formed, and when the makeup cover unit is attached. Since it is only necessary to connect with the connecting line of the partition wall, it is possible to easily connect between the sub-control units and between the sub-control unit and the main control unit, and the connecting line is installed in the cool air duct on the back of the inner box. Since this is not done, the length of the connection line can be minimized, the assembly efficiency can be improved, and the disconnection of the connection line can be prevented. The productivity can be greatly improved, and it can be easily disassembled and discarded.

Further, in the refrigerator according to the second aspect, since it is only necessary to connect the relay connecting line and the unit side connecting line with the connector, it is possible to efficiently connect to the installation position of the sub-control unit, and in the assembling and communication. The reliability of can be improved. Since the refrigerator according to claim 3 can arrange the relay connection line by utilizing between the partition wall and the inner box,
It is possible to suppress an increase in the number of parts without requiring a special structure for inserting the relay connection line in the partition wall.

Further, in the refrigerator of claim 4, it is sufficient to hang down the unit side connecting wire of the upper decorative cover unit by using the cold air duct hole of the partition wall and insert it.
Since it is not necessary to provide a relay connection line on the partition wall, it is possible to connect the units without increasing the number of parts.

[Brief description of drawings]

FIG. 1 is a block diagram showing a first embodiment of a refrigerator according to the present invention.

FIG. 2 is a main part configuration diagram showing a second embodiment of the refrigerator of the present invention.

FIG. 3 is a main part configuration diagram showing a third embodiment of the refrigerator of the present invention.

FIG. 4 is a main part configuration diagram showing a fourth embodiment of the refrigerator of the present invention.

5A and 5B are configuration diagrams of a connector showing another embodiment of the refrigerator of the present invention, FIG. 5A is a configuration diagram showing a connector connected horizontally, and FIG. 5B is a connector connected vertically. It is a block diagram which shows a thing.

FIG. 6 is a block diagram showing an example of a conventional refrigerator.

FIG. 7 is a block diagram showing another example of a conventional refrigerator.

[Explanation of symbols]

 1 Inner Box 2 Partition Wall 3 Refrigerator Room 4 Freezer Room 5 Vegetable Room 6 Main Control Section 7 Cold Room Makeup Cover Unit 8 Ice Making Room Unit 9 Freezing Room Makeup Cover Unit 10 Vegetable Room Makeup Cover Unit 11 Cold Room Sub Control Section 20 Ice Room Sub control unit 23 Freezer compartment sub control unit 28 Vegetable compartment sub control unit

Claims (4)

[Claims] 1. A temperature detecting means provided in each of a plurality of storage chambers partitioned by a partition wall to detect an indoor temperature of the storage chamber, and a storage device provided in each of the plurality of storage chambers. In a refrigerator comprising temperature adjusting means for adjusting the room temperature and control means for controlling the temperature adjusting means based on the temperature detected by the temperature detecting means, the control means is provided in each of the plurality of storage chambers. The sub-control unit controls the temperature of each storage chamber, and the main control unit controls the sub-control unit to comprehensively control the refrigerator. Detecting means is provided on the decorative cover of each room, and the sub-control section and the temperature adjusting means and the temperature detecting means are wired to form a decorative cover unit, and a connecting wire is inserted between the decorative cover units to insert the partition wall. Connect each one and apply the makeup cover uni A refrigerator characterized by connecting one of the makeup cover units of the case and the main control unit. 2. The connection line comprises a relay connection line disposed inside the partition wall so as to pass through the partition wall, and a unit-side connection line connected to the unit. The refrigerator according to claim 1, wherein the connector and the unit side connecting wire are connected to each other. 3. The refrigerator according to claim 2, wherein the relay connection line is arranged between the partition wall and an inner box of a main body forming the storage chamber. 4. The cold air duct hole for communicating cold air to communicate with the inside of the storage chamber adjacent to the inside of the partition wall, and the connection line is arranged in the cold air duct hole. refrigerator.