Refrigerator

The cooling cabinet addresses the challenge of easy battery attachment and detachment by incorporating a battery mounting section above the compressor and condenser, enhancing power tool operation and maintenance efficiency.

JP7669572B2Active Publication Date: 2025-04-28MAKITA CORP
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Patent Information

Application Number
JP2024101413
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2024-06-24
Publication Date
2025-04-28
Estimated Expiration
2040-04-09

AI Technical Summary

Technical Problem

Existing cold storage units do not facilitate easy attachment and detachment of batteries, which is a desired feature for efficient power management.

Method used

A cooling cabinet design that includes a battery mounting section located above the compressor and condenser, allowing for easy sliding of power tool batteries for attachment and detachment.

Benefits of technology

Enables easy and efficient battery management by allowing users to easily attach and detach batteries, improving power tool operation and reducing maintenance time.

✦ Generated by Eureka AI based on patent content.

Smart Images

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Patent Text Reader

Abstract

To readily attach and detach a battery.SOLUTION: A cold storage includes a body container including a cold insulation chamber. The cold storage includes: an evaporator installed to the body container; a compressor and a condenser disposed on a lateral side of the body container; and a battery fitting part which is disposed above the compressor and the condenser on the lateral side of the body container and to which a battery for a power tool is fitted.SELECTED DRAWING: Figure 9
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Description

[Technical field]

[0001] The present disclosure relates to a cooler. [Background technology]

[0002] In the technical field related to coolers, a cooler as disclosed in Patent Document 1 is known. In Patent Document 1, a compressor and a condenser are arranged in a machine room. A battery, which is a power source for the compressor and the condenser, is installed in a battery room. The battery room is installed below the machine room. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Patent No. 3207350 Summary of the Invention [Problem to be solved by the invention]

[0004] When a battery is used as the power source for a refrigerator, it is desirable that the battery be easily attachable and detachable.

[0005] The present disclosure aims to make it easy to attach and detach the battery. [Means for solving the problem]

[0006] According to the present disclosure, there is provided a cool storage cabinet comprising a main container having a cold storage compartment, characterized in that it comprises an evaporator provided in the main container, a compressor and a condenser arranged on the side of the main container, and a battery attachment section arranged on the side of the main container above the compressor and the condenser, and in which a battery for an electric tool is attached. Effect of the Invention

[0007] According to the present disclosure, the battery can be easily attached and detached. [Brief description of the drawings]

[0008] [Figure 1] FIG. 1 is a perspective view showing a cooler according to an embodiment, seen from the rear. [Diagram 2] FIG. 2 is a perspective view showing the cooler according to the embodiment, seen from the front. [Diagram 3] FIG. 3 is a view of the cooler according to the embodiment as viewed from the left. [Figure 4] FIG. 4 is a perspective view showing the cooler according to the embodiment, seen from the rear. [Diagram 5] FIG. 5 is a view of the cooler according to the embodiment as viewed from above. [Figure 6] FIG. 6 is a perspective view showing a battery for a power tool according to the embodiment. [Figure 7] FIG. 7 is a perspective view showing a battery and a battery mounting section for a power tool according to the embodiment. [Figure 8] FIG. 8 is a partially cutaway view of the cooler according to the embodiment, seen from the left. [Figure 9] FIG. 9 is a partially cutaway view of the cooler according to the embodiment, seen from the rear. [Figure 10] FIG. 10 is a partially cutaway view of the cooler according to the embodiment, seen from the right. [Figure 11] FIG. 11 is a diagram for explaining the tilt sensor according to the embodiment. [Figure 12] FIG. 12 is a diagram for explaining the push switch according to the embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0009] Hereinafter, an embodiment of the present disclosure will be described with reference to the drawings, but the present disclosure is not limited thereto. The components of the embodiments described below can be appropriately combined. In addition, some components may not be used.

[0010] In the embodiment, the positional relationship of each part will be described using the terms "front", "rear", "left", "right", "upper", and "lower". These terms indicate relative positions or directions based on the center of the refrigerator 1.

[0011] [Refrigerator] Fig. 1 is a perspective view of a cooler 1 according to an embodiment, seen from the rear. Fig. 2 is a perspective view of a cooler 1 according to an embodiment, seen from the front. Fig. 3 is a view of the cooler 1 according to an embodiment, seen from the left.

[0012] The cooler 1 has a cold storage function for keeping items cold. In the embodiment, the cooler 1 also has a warming function for keeping items warm. That is, in the embodiment, the cooler 1 functions as a cold storage / warmer.

[0013] As shown in FIGS. 1, 2, and 3, cooler 1 includes a housing 2, a cooler compartment cover 3, a battery compartment cover 4, casters 5, a handle 6, and a carrying handle 7.

[0014] The housing 2 is an exterior member of the cooler 1. The housing 2 has a front surface 2A, a rear surface 2B, a left surface 2C, a right surface 2D, and a bottom surface 2E. An opening is provided at the top of the housing 2. Legs 50 are provided on the bottom surface 2E. The legs 50 protrude downward from the bottom surface 2E. Four legs 50 are provided.

[0015] In the embodiment, the housing 2 includes a front housing 21, a rear housing 22, and a frame housing 23. The rear housing 22 is disposed rearward of the front housing 21. A rear end of the front housing 21 and a front end of the rear housing 22 are connected. The frame housing 23 is connected to an upper end of the front housing 21 and an upper end of the rear housing 22. The front surface 2A, the front portion of the left surface 2C, the front portion of the right surface 2D, and the front portion of the lower surface 2E are disposed in the front housing 21. The rear surface 2B, the rear portion of the left surface 2C, the rear portion of the right surface 2D, and the rear portion of the lower surface 2E are disposed in the rear housing 22.

[0016] The cold storage chamber cover 3 covers a part of the opening of the housing 2. In the embodiment, the cold storage chamber cover 3 covers a front part of the opening of the housing 2. The cold storage chamber cover 3 is connected to the housing 2 via a hinge mechanism 8. In the embodiment, the hinge mechanism 8 connects a right end of the cold storage chamber cover 3 to an upper part of the right surface 2D of the front housing 21. A rotation axis AX of the hinge mechanism 8 extends in the front-rear direction. The cold storage chamber cover 3 is rotatable around the rotation axis AX of the hinge mechanism 8. The right end of the cold storage chamber cover 3 is connected to the hinge mechanism 8 such that the left end of the cold storage chamber cover 3 rotates around the rotation axis AX.

[0017] The battery chamber cover 4 covers a part of the opening of the housing 2. The battery chamber cover 4 is disposed rearward of the cold storage chamber cover 3. In the embodiment, the battery chamber cover 4 covers the rear part of the opening of the housing 2. The battery chamber cover 4 is connected to the housing 2 via a hinge mechanism 9. In the embodiment, the hinge mechanism 9 connects the right end of the battery chamber cover 4 to the upper part of the right surface 2D of the rear housing 22. The rotation axis BX of the hinge mechanism 9 extends in the front-rear direction. The battery chamber cover 4 is rotatable around the rotation axis BX of the hinge mechanism 9. The right end of the battery chamber cover 4 is connected to the hinge mechanism 9 so that the left end of the battery chamber cover 4 rotates around the rotation axis BX.

[0018] In this embodiment, the rotation axis AX of the hinge mechanism 8 and the rotation axis BX of the hinge mechanism 9 are substantially aligned. The rotation direction of the cold storage chamber cover 3 and the rotation direction of the battery chamber cover 4 are substantially the same.

[0019] The caster 5 includes a wheel or a roller. The caster 5 is disposed at a rear and lower part of the housing 2. The caster 5 is rotatably supported by the housing 2. A rotation axis CX of the caster 5 extends in the left-right direction.

[0020] The handles 6 are held by a user of the cooler 1. A pair of handles 6 are provided. One handle 6 is fixed to the upper part of the front surface 2A. One handle 6 protrudes forward from the front surface 2A. The other handle 6 is fixed to the upper part of the rear surface 2B. The other handle 6 protrudes rearward from the rear surface 2B. A user of the cooler 1 can lift the cooler 1 by holding the pair of handles 6.

[0021] The carry handle 7 is held by a user of the cooler 1. The carry handle 7 has a pair of arms 7A, a handle portion 7B connecting the tip of one arm portion 7A to the tip of the other arm portion 7A, and a connecting portion 7C connecting the middle portion of one arm portion 7A to the middle portion of the other arm portion 7A. The carry handle 7 is connected to the housing 2 via a hinge mechanism 10. In the embodiment, the hinge mechanism 10 is provided on the handle 6 fixed to the upper portion of the front surface 2A. The rotation axis DX of the hinge mechanism 10 extends in the left-right direction. The carry handle 7 is rotatable around the rotation axis DX of the hinge mechanism 10. The base end of the arm portion 7A is connected to the hinge mechanism 10 so that the handle portion 7B rotates around the rotation axis DX.

[0022] As shown in FIG. 3, the carry handle 7 is rotated to be located at a storage position Pa and a use position Pb. The storage position Pa is a position where the handle portion 7B is located below the hinge mechanism 10 and the arm portion 7A faces the front surface 2A of the housing 2. The use position Pb is a position where the arm portion 7A is separated from the front surface 2A of the housing 2 and the handle portion 7B is located above the hinge mechanism 10. The user of the cooler 1 can move the carry handle 7 to the use position Pb and walk while holding the handle portion 7B. The user of the cooler 1 can walk while holding the handle portion 7B so that the casters 5 come into contact with the ground and the legs 50 are separated from the ground. This causes the casters 5 to rotate, allowing the user of the cooler 1 to easily move the cooler 1.

[0023] An AC adapter 51 that can be connected to a commercial power source is provided at the lower right portion of the rear surface 2B. The AC adapter 51 is covered with a cover 52. A bottle opener 53 is provided at the front portion of the left surface 2C.

[0024] Fig. 4 is a perspective view from the rear showing the cool storage box 1 according to the embodiment. Fig. 5 is a view from above the cool storage box 1 according to the embodiment. Fig. 4 and Fig. 5 each show a state in which the cool storage compartment cover 3 and the battery compartment cover 4 are rotated to the right.

[0025] As shown in Fig. 4 and Fig. 5, the cooler 1 includes a main body container 12 having a cooler compartment 11, and a battery container 14 having a battery compartment 13. The battery container 14 is disposed on the side of the main body container 12. In the embodiment, the battery container 14 is disposed rearward of the main body container 12. The main body container 12 is disposed inside the front housing 21. The battery container 14 is disposed inside the rear housing 22.

[0026] The main container 12 has a first inner side surface 12A, a second inner side surface 12B, a third inner side surface 12C, a fourth inner side surface 12D, and a bottom surface 12E.

[0027] The first inner surface 12A faces rearward. The second inner surface 12B faces leftward. The third inner surface 12C faces forward. The fourth inner surface 12D faces rightward. The bottom surface 12E faces upward. The first inner surface 12A and the third inner surface 12C face each other. The second inner surface 12B and the fourth inner surface 12D face each other. The bottom surface 12E is connected to the lower end of the first inner surface 12A, the lower end of the second inner surface 12B, the lower end of the third inner surface 12C, and the lower end of the fourth inner surface 12D.

[0028] Of the first inner side surface 12A, the second inner side surface 12B, the third inner side surface 12C, the fourth inner side surface 12D, and the bottom surface 12E, the second inner side surface 12B is disposed at a position closest to the hinge mechanism 8. The third inner side surface 12C is disposed at a position closest to the battery chamber 13.

[0029] The cold storage compartment 11 is defined by a first inner side surface 12A, a second inner side surface 12B, a third inner side surface 12C, a fourth inner side surface 12D, and a bottom surface 12E. An opening 15 is provided in an upper portion of the cold storage compartment 11.

[0030] As described above, in the embodiment, the cool storage 1 functions as a cool / warm storage. The cool storage compartment 11 functions as a cool / warm storage compartment. An item to be kept cool or an item to be kept warm is stored in the cool storage compartment 11.

[0031] The battery container 14 has a first inner side surface 14A, a second inner side surface 14B, a third inner side surface 14C, a fourth inner side surface 14D, and a bottom surface 14E.

[0032] The first inner surface 14A faces rearward. The second inner surface 14B faces leftward. The third inner surface 14C faces forward. The fourth inner surface 14D faces rightward. The bottom surface 14E faces upward. The first inner surface 14A and the third inner surface 14C face each other. The second inner surface 14B and the fourth inner surface 14D face each other. The bottom surface 14E is connected to the lower end of the first inner surface 14A, the lower end of the second inner surface 14B, the lower end of the third inner surface 14C, and the lower end of the fourth inner surface 14D.

[0033] Of the first inner side surface 14A, the second inner side surface 14B, the third inner side surface 14C, the fourth inner side surface 14D, and the bottom surface 14E, the second inner side surface 14B is disposed at a position closest to the hinge mechanism 9. The first inner side surface 12A is disposed at a position closest to the cold storage chamber 11.

[0034] The battery chamber 13 is defined by a first inner side surface 14A, a second inner side surface 14B, a third inner side surface 14C, a fourth inner side surface 14D, and a bottom surface 14E. An opening 16 is provided in an upper portion of the battery chamber 13.

[0035] Frame housing 23 has a first opening 23A and a second opening 23B provided rearward of first opening 23A. Opening 15 of cold storage compartment 11 is disposed inside first opening 23A. Opening 15 of cold storage compartment 11 and first opening 23A are connected. Opening 16 of battery compartment 13 is disposed inside second opening 23B.

[0036] A battery mounting portion 18 in which a power tool battery 17 is mounted is accommodated in the battery chamber 13 .

[0037] The battery mounting portion 18 is disposed on the first inner side surface 14A of the battery chamber 13. A plurality of battery mounting portions 18 are disposed. In the embodiment, two battery mounting portions 18 are provided. The two battery mounting portions 18 are disposed in the left-right direction on the first inner side surface 14A.

[0038] The cold storage chamber cover 3 opens and closes the opening 15 of the cold storage chamber 11. When the cold storage chamber cover 3 rotates so that its left end portion moves away from the frame housing 23, the opening 15 of the cold storage chamber 11 is opened. When the cold storage chamber cover 3 rotates so that its left end portion moves closer to the frame housing 23, the opening 15 of the cold storage chamber 11 is closed. A latch mechanism 3L is provided on the cold storage chamber cover 3. When the cold storage chamber cover 3 is in a state in which it closes the opening 15 of the cold storage chamber 11, the latch mechanism 3L is provided on the left end portion of the cold storage chamber cover 3. The latch mechanism 3L fixes the cold storage chamber cover 3, which has closed the opening 15 of the cold storage chamber 11, to the frame housing 23.

[0039] In the embodiment, the cold storage chamber cover 3 includes a heat insulating material. A seal member 3C is provided on the inner surface of the cold storage chamber cover 3. The seal member 3C is a ring-shaped rubber. When the cold storage chamber cover 3 closes the opening 15 of the cold storage chamber 11, the seal member 3C comes into contact with the upper surface of the frame housing 23. The seal member 3C comes into contact with the upper surface of the frame housing 23, thereby sealing the cold storage chamber 11.

[0040] The battery chamber cover 4 opens and closes the opening 16 of the battery chamber 13. When the battery chamber cover 4 rotates so that the left end of the battery chamber cover 4 moves away from the frame housing 23, the opening 16 of the battery chamber 13 is opened. When the battery chamber cover 4 rotates so that the left end of the battery chamber cover 4 moves closer to the frame housing 23, the opening 16 of the battery chamber 13 is closed. A latch mechanism 4L is provided on the battery chamber cover 4. When the battery chamber cover 4 closes the opening 16 of the battery chamber 13, the latch mechanism 4L is provided on the left end of the battery chamber cover 4. The latch mechanism 4L fixes the battery chamber cover 4, which has closed the opening 16 of the battery chamber 13, to the frame housing 23.

[0041] 1 and 2, in the embodiment, a recess 4R is provided on the surface of the battery chamber cover 4. Two recesses 4R are provided. A user of the cooler 1 can place a cup in the recess 4R.

[0042] [Power tool batteries and battery compartments] Fig. 6 is a perspective view showing the power tool battery 17 according to the embodiment. Fig. 7 is a perspective view showing the power tool battery 17 and the battery mounting section 18 according to the embodiment.

[0043] The power tool battery 17 supplies power to the cooler 1. The power tool battery 17 functions as a power source for the cooler 1. The power tool battery 17 includes a secondary battery. In the embodiment, the power tool battery 17 includes a rechargeable lithium ion battery.

[0044] The power tool battery 17 can supply power to the cooler 1 by being attached to the battery attachment section 18.

[0045] The battery 17 for the power tool has a housing 172 having a mounting surface 171 that can face the mounting surface 181 of the battery mounting portion 18, a pair of slide portions 173 provided on the mounting surface 171, a protrusion portion 174 movably supported on the housing 172, and a release button 175 for operating the protrusion portion 174.

[0046] The housing 172 has an internal space. A battery cell is housed in the internal space of the housing 172. The battery cell is a rechargeable lithium ion battery.

[0047] The sliding portion 173 extends in the vertical direction. The battery mounting portion 18 has a guide portion 182 that guides the power tool battery 17 in the vertical direction. The sliding portion 173 is guided by the guide portion 182 of the battery mounting portion 18.

[0048] The protrusion 174 protrudes from the mounting surface 171. The protrusion 174 is movably supported by a spring. The protrusion 174 protrudes from the mounting surface 171 due to the elastic force of the spring. The protrusion 174 can be inserted into a locking hole 183 provided in the battery mounting portion 18. By inserting the protrusion 174 into the locking hole 183, the battery mounting portion 18 and the power tool battery 17 are fixed together.

[0049] The release button 175 is operated to release the fixation between the battery mounting portion 18 and the power tool battery 17.

[0050] When mounting the power tool battery 17 in the battery mounting section 18, the user of the cool storage 1 brings the slide portion 173 into contact with the guide portion 182 of the battery mounting section 18, and then slides the power tool battery 17 downward relative to the battery mounting section 18. The power tool battery 17 moves downward while being guided by the guide portion 182. The protrusion portion 174 is inserted into the lock hole 183 of the battery mounting section 18, whereby the power tool battery 17 is fixed to the battery mounting section 18. In this way, the power tool battery 17 is mounted in the battery mounting section 18.

[0051] The power tool battery 17 has a pair of power terminals 176. The power terminals 176 are disposed between a pair of slide portions 173. One of the power terminals 176 is a positive power terminal. The other power terminal 176 is a negative power terminal. When the power terminals 176 of the power tool battery 17 are connected to the power terminal 184 of the battery mounting portion 18, power is supplied from the power tool battery 17 to the cooler 1.

[0052] When removing the power tool battery 17 from the battery mounting section 18, the user of the cool storage 1 operates the release button 175. By operating the release button 175, the protrusion 174 is removed from the lock hole 183. By removing the protrusion 174 from the lock hole 183, the fixation between the battery mounting section 18 and the power tool battery 17 is released. After the fixation between the battery mounting section 18 and the power tool battery 17 is released, the power tool battery 17 is slid upward, whereby the power tool battery 17 is removed from the battery mounting section 18.

[0053] In this manner, the power tool battery 17 slides up and down to be attached to and detached from the battery mounting portion 18. When attaching and detaching the power tool battery 17 to and from the battery mounting portion 18, the battery chamber cover 4 is rotated so that the opening 16 of the battery chamber 13 is opened.

[0054] As described above, the battery chamber 13 is defined by the first inner side surface 14A, the second inner side surface 14B, the third inner side surface 14C, the fourth inner side surface 14D, and the bottom surface 14E. As shown in FIG. 7, the bottom surface 14E includes the first bottom surface 141 and the second bottom surface 142 disposed above the first bottom surface 141. The first bottom surface 141 is disposed forward of the second bottom surface 142. A step is formed between the first bottom surface 141 and the second bottom surface 142. The rear end of the first bottom surface 141 and the front end of the second bottom surface 142 are connected via the step surface 14F. The step surface 14F faces forward.

[0055] The battery chamber 13 includes a first space 131 and a second space 132. The first space 131 is disposed forward of the second space 132. The first space 131 is defined by the first inner side surface 14A, a front portion of the second inner side surface 14B, the step surface 14F, a front portion of the fourth inner side surface 14D, and a first bottom surface 141. The second space 132 is defined by a rear portion of the second inner side surface 14B, the third inner side surface 14C, a rear portion of the fourth inner side surface 14D, and a second bottom surface 142. The depth of the first space 131 is deeper than the depth of the second space 132.

[0056] The battery mounting portion 18 and the power tool battery 17 are disposed in the first space 131 .

[0057] 4, 5, and 7, an output terminal 19 is housed in the battery chamber 13. The output terminal 19 is disposed on the second inner side surface 14B of the battery chamber 13. In the embodiment, the output terminal 19 is disposed on the second inner side surface 14B of the second space 132. One output terminal 19 is provided.

[0058] In the embodiment, the output terminal 19 is a Universal Serial Bus (USB) terminal. The output terminal 19 can output power from the power tool battery 17. For example, when an electronic device such as a mobile terminal has a rechargeable battery, the cooler 1 can charge the rechargeable battery of the electronic device. By connecting the electronic device and the output terminal 19 via a USB cable, the rechargeable battery of the electronic device is charged by the power output from the power tool battery 17 via the output terminal 19.

[0059] A hole 20 is provided in the bottom surface 14E of the battery chamber 13. In the battery chamber 13, the battery mounting portion 18 and the output terminal 19 are each located above the hole 20. In the embodiment, the hole 20 is provided at the right end portion of the first bottom surface 141. For example, if water enters the battery chamber 13, the water in the battery chamber 13 is drained through the hole 20. The hole 20 prevents water from remaining in the battery mounting portion 18 and the output terminal 19.

[0060] [Cooling device] Fig. 8 is a partially cutaway view of the cooler 1 according to the embodiment as viewed from the left. Fig. 9 is a partially cutaway view of the cooler 1 according to the embodiment as viewed from the rear. Fig. 10 is a partially cutaway view of the cooler 1 according to the embodiment as viewed from the right.

[0061] The cooler 1 includes a cooling device 30 that cools the main container 12. The cooling device 30 includes a compressor 31, a condenser 32, an expansion valve (not shown), and an evaporator 33. The compressor 31, the condenser 32, the expansion valve (not shown), and the evaporator 33 form a refrigerant circulation system.

[0062] The compressor 31 compresses the gas refrigerant. The compressor 31 is controlled by a compressor controller 31C. The high-temperature, high-pressure gas refrigerant compressed by the compressor 31 is supplied to the condenser 32. The condenser 32 cools and condenses the gas refrigerant from the compressor 31 to generate a liquid refrigerant. The liquid refrigerant generated in the condenser 32 is supplied to an expansion valve. The expansion valve reduces the pressure of the liquid refrigerant and lowers the boiling point of the liquid refrigerant. The liquid refrigerant whose pressure has been reduced by passing through the expansion valve is supplied to the evaporator 33. The evaporator 33 vaporizes the liquid refrigerant from the expansion valve and cools the main container 12 by the heat of vaporization. The gas refrigerant that has passed through the evaporator 33 is returned to the compressor 31.

[0063] The evaporator 33 is provided in the main container 12. The evaporator 33 includes a pipe that is arranged around the main container 12. The evaporator 33 is arranged so as to wrap around the main container 12. The evaporator 33 contacts the outer surface of the main container 12.

[0064] The compressor 31 and the condenser 32 are disposed on the sides of the main body container 12. In the embodiment, the compressor 31 and the condenser 32 are disposed on the rear side of the main body container 12.

[0065] The battery mounting section 18 is disposed on the side (rear) of the main body container 12 and above the compressor 31 and the condenser 32.

[0066] A machine room 40 is provided below the battery container 14, and houses the compressor 31 and the condenser 32. The machine room 40 is defined by the rear housing 22.

[0067] That is, in the embodiment, the machine chamber 40 is disposed below the battery chamber 13. The battery chamber 13 accommodates the battery mounting portion 18 and the power tool battery 17. The machine chamber 40 accommodates the compressor 31 and the condenser 32.

[0068] In the up-down direction, the compressor 31 and the condenser 32 are disposed at different positions. In the machine room 40, the compressor 31 is disposed below the condenser 32. In the left-right direction, the condenser 32 is disposed to the left of the center of the machine room 40. In the left-right direction, a part of the compressor 31 is disposed in the center of the machine room 40.

[0069] The cooling device 30 also has an intake fan 34, an exhaust fan 35, and a controller 36.

[0070] The intake fan 34, the exhaust fan 35, and the controller 36 are each housed in a machine room 40. In the machine room 40, the compressor 31 is disposed below the intake fan 34, the exhaust fan 35, and the controller 36. In the up-down direction, the position of the intake fan 34, the position of at least a part of the condenser 32, the position of at least a part of the exhaust fan 35, and the position of at least a part of the controller 36 coincide with each other. In the embodiment, the rotation axis FX of the exhaust fan 35 is disposed below the rotation axis EX of the intake fan 34.

[0071] The intake fan 34 rotates around a rotation axis EX. The rotation axis EX extends in the left-right direction. The intake fan 34 is disposed on the left side of the machine room 40. The intake fan 34 rotates to cause air in the external space of the housing 2 to flow into the machine room 40. An intake motor (not shown) is connected to the intake fan 34. The intake fan 34 rotates due to the rotational force generated by the intake motor. As shown in FIG. 1 etc., an intake port 24 is provided on the left side of the rear housing 22. As the intake fan 34 rotates, air in the external space of the housing 2 flows into the machine room 40 via the intake port 24.

[0072] The exhaust fan 35 rotates around a rotation axis FX. The rotation axis FX extends in the left-right direction. The exhaust fan 35 is disposed on the right side of the machine room 40. The exhaust fan 35 rotates to cause air in the machine room 40 to flow out to the external space of the housing 2. An exhaust motor (not shown) is connected to the exhaust fan 35. The exhaust fan 35 rotates due to the rotational force generated by the exhaust motor. As shown in FIG. 2 etc., an exhaust port 25 is provided on the right side of the rear housing 22. As the exhaust fan 35 rotates, the air in the machine room 40 flows out to the external space of the housing 2 through the exhaust port 25.

[0073] The controller 36 controls the cooler 1. The controller 36 controls at least the cooling device 30. The controller 36 includes a board on which a plurality of electronic components are mounted. Examples of the electronic components mounted on the board include a processor such as a CPU (Central Processing Unit), a non-volatile memory such as a ROM (Read Only Memory) or storage, a volatile memory such as a RAM (Random Access Memory), a transistor, and a resistor.

[0074] In the left-right direction, the intake fan 34 is disposed to the left of the condenser 32. In the left-right direction, the intake fan 34 is disposed between the air intake port 24 and the condenser 32. The intake fan 34 faces the condenser 32.

[0075] In the left-right direction, the condenser 32 is disposed to the left of the controller 36. In the left-right direction, the exhaust fan 35 is disposed to the right of the controller 36. In the left-right direction, the exhaust fan 35 is disposed between the controller 36 and the exhaust port 25.

[0076] The intake fan 34 supplies air to both the condenser 32 and the controller 36. When the intake fan 34 supplies air to the condenser 32, the gas refrigerant in the condenser 32 is cooled and changes to liquid refrigerant. When the intake fan 34 supplies air to the controller 36, the controller 36 is cooled.

[0077] As described above, in the embodiment, the refrigerator 1 has both a cold storage function and a heat storage function. A heating wire (not shown) is arranged around the main container 12. The items stored in the main container 12 are kept warm by the heat generated by the heating wire.

[0078] [Operation Panel] As shown in FIG. 1 and FIG. 3, the cooler 1 has an operation panel 70. The operation panel 70 is disposed to the left of the battery chamber cover 4 and above the left surface 2C of the rear housing 22. The operation panel 70 has a power button 71, a mode switching button 72, a temperature setting button 73, and a display device 74. A user of the cooler 1 can operate the power button 71, the mode switching button 72, and the temperature setting button 73. By operating the power button 71, power is supplied from the power tool battery 17 to the cooler 1, and the cooler 1 starts up. By operating the mode switching button 72, a cold storage mode and a warm storage mode are switched. By operating the temperature setting button 73, a target temperature of the main container 12 is set. The display device 74 includes a light-emitting unit such as a light-emitting diode. The display device 74 displays the operation state of the power button 71, the operation state of the mode switching button 72, and the operation state of the temperature setting button 73. The display device 74 also displays the remaining battery charge of the power tool battery 17 .

[0079] [How to use] Next, a method of using the cool storage 1 according to the embodiment will be described. When mounting the power tool battery 17 in the battery mounting section 18, the user of the cool storage 1 rotates the battery chamber cover 4 so that the opening 16 of the battery chamber 13 is opened. With the opening 16 open, the user of the cool storage 1 slides the power tool battery 17 downward relative to the battery mounting section 18. This causes the power tool battery 17 to be mounted in the battery mounting section 18. With the power tool battery 17 mounted in the battery mounting section 18, the power button 71 is operated to supply power from the power tool battery 17 to the cool storage 1, and the cool storage 1 is started. The mode switch button 72 is operated to switch to the cold storage mode, and the cooling device 30 is driven. The items stored in the cool storage chamber 11 are kept cold.

[0080] When a user of the cooler 1 charges the rechargeable battery of an electronic device, the user connects the electronic device to the output terminal 19 via a USB cable. This causes the rechargeable battery of the electronic device to be charged by the power output from the power tool battery 17 via the output terminal 19.

[0081] Fig. 11 is a diagram for explaining a tilt sensor 80 according to an embodiment. As shown in Fig. 11, the cooler 1 includes a tilt sensor 80 that detects the tilt angle of the cooling device 30 with respect to a horizontal plane. The tilt sensor 80 is disposed in, for example, the controller 36. An example of the tilt sensor 80 is a gyro sensor. The cooling device 30 is supported by the housing 2. The tilt sensor 80 detects the tilt angle of the housing 2 with respect to the horizontal plane, thereby detecting the tilt angle of the cooling device 30 with respect to the horizontal plane.

[0082] When the controller 36 determines based on the detection data of the tilt sensor 80 that the tilt angle of the cooling device 30 exceeds a predetermined angle threshold, the controller 36 cuts off the supply of power from the power tool battery 17 to the cooling device 30. By cutting off the supply of power to the cooling device 30, the operation of the cooling device 30 is stopped. Note that even if the tilt angle of the cooling device 30 exceeds the angle threshold, the supply of power from the power tool battery 17 to the controller 36, the operation panel 70, etc. continues.

[0083] When a predetermined time has elapsed since the tilt angle of the cooling device 30 became equal to or smaller than the angle threshold, the controller 36 resumes the supply of power from the power tool battery 17 to the cooling device 30. When the supply of power to the cooling device 30 is resumed, the cooling device 30 is restarted.

[0084] As described above, when moving the cooler 1, a user of the cooler 1 grips the handle portion 7B of the carry handle 7 that has been moved to the use position Pb, and tilts the cooler 1 so that the legs 50 leave the ground and the casters 5 come into contact with the ground. The user of the cooler 1 can move the cooler 1 by walking with the cooler 1 in a tilted state. In addition, the user of the cooler 1 can lift the cooler 1 by gripping the pair of handles 6.

[0085] For example, when the cooling device 30 is operating, if the cooling device 1 is tilted to move the cooling device 1 or the cooling device 1 is tilted because the cooling device 1 is lifted, the supply of power to the cooling device 30 is cut off and the operation of the cooling device 30 is stopped. If the cooling device 30 is tilted while the cooling device 30 is operating, the compressor 31 may malfunction. For example, if the cooling device 30 is tilted while the cooling device 30 is operating, lubricating oil or cooling oil may be sucked into the compressor 31, and the compressor 31 may malfunction. According to the embodiment, if the tilt angle of the cooling device 30 exceeds the angle threshold while the cooling device 30 is operating, the operation of the cooling device 30 is stopped. The angle threshold is set to an inclination angle of the cooling device 30 at which lubricating oil or cooling oil may be sucked into the compressor 31. This suppresses malfunction of the compressor 31.

[0086] For example, when a specified time has elapsed since the movement or lifting of the cool storage 1 is completed and the cool storage 1 is placed on an installation surface parallel to a horizontal plane, the supply of power to the cooling device 30 is resumed and the cooling device 30 is restarted. The specified time is set to the time required from when the cool storage 1 is placed on the installation surface until the lubricating oil or cooling oil is discharged from the compressor 31. The specified time may also be set to the time required to protect the motor of the compressor 31 or the time required to reduce the load acting on the motor due to restarting.

[0087] Fig. 12 is a diagram for explaining a push switch 90 according to an embodiment. The cooler 1 may be provided with a push switch 90 as shown in Fig. 12, instead of the tilt sensor 80 described with reference to Fig. 11. The push switch 90 is provided so as to protrude downward from the lower surface of the housing 2. When the cooler 1 is placed on an installation surface so that the legs 50 come into contact with the installation surface, the push switch 90 is pressed against the installation surface. When the push switch 90 is pressed against the installation surface, the controller 36 causes power to be supplied from the power tool battery 17 to the cooler 1.

[0088] When the cooler 1 is tilted or lifted in order to move it, the push switch 90 moves away from the installation surface. When the push switch 90 is not pressed against the installation surface, the controller 36 cuts off the supply of power from the power tool battery 17 to the cooling device 30. If the cooler 1 is moved or lifted while the cooling device 30 is operating, the operation of the cooling device 30 is stopped, thereby preventing a breakdown in the compressor 31. When the cooler 1 is installed on the installation surface and the push switch 90 is pressed, the cooling device 30 restarts.

[0089] [effect] As described above, according to the embodiment, the cool storage 1 includes the main container 12 having the cool storage compartment 11, the evaporator 33 provided in the main container 12, the compressor 31 and the condenser 32 arranged on the side of the main container 12, and the battery attachment section 18 arranged on the side of the main container 12. On the side of the main container 12, the battery attachment section 18 is arranged higher than the compressor 31 and the condenser 32. Since the battery attachment section 18 is arranged higher than the compressor 31 and the condenser 32, the user of the cool storage 1 can easily attach and detach the power tool battery 17 to and from the battery attachment section 18.

[0090] A plurality of battery mounting sections 18 are provided. A plurality of power tool batteries 17 are mounted in each of the plurality of battery mounting sections 18. This allows the cooler 1 to use the power from the power tool batteries 17 for a long period of time.

[0091] The battery mounting section 18 has a guide section 182 that guides the power tool battery 17 in the up-down direction. The power tool battery 17 has a slide section 173 that is guided by the guide section 182. The power tool battery 17 slides up-down to be attached to and detached from the battery mounting section 18. A user of the cooler 1 can easily attach and detach the power tool battery 17 to and from the battery mounting section 18 by sliding the power tool battery 17 up-down.

[0092] In the vertical direction, the compressor 31 and the condenser 32 are disposed at different positions. This prevents the cooler 1 from becoming large.

[0093] The cool storage 1 includes a machine room 40 that houses the compressor 31 and the condenser 32. The compressor 31 and the condenser 32 are protected by being housed in the machine room 40. As a result, deterioration of the compressor 31 and the condenser 32 is suppressed.

[0094] In the machine room 40, the compressor 31 is disposed below the condenser 32. The weight of the compressor 31 is greater than the weight of the condenser 32. Therefore, by disposing the compressor 31 below the condenser 32, the center of gravity of the cool storage 1 is well balanced.

[0095] The cooler 1 includes an intake fan 34 that draws air into the machine room 40, and a controller 36. In the machine room 40, the compressor 31 is disposed below the intake fan 34 and the controller 36. In the vertical direction, the intake fan 34, at least a part of the condenser 32, and at least a part of the controller 36 are disposed in the same position. As a result, the air drawn into the machine room 40 by the intake fan 34 flows around the controller 36. Therefore, the controller 36 is cooled by the air.

[0096] The intake fan 34 supplies air to both the condenser 32 and the controller 36. As a result, the gas refrigerant in the condenser 32 is cooled by the air. The controller 36 is cooled by the air.

[0097] The cooler 1 is equipped with an exhaust fan 35 that expels air from the machine room 40. In the machine room 40, the compressor 31 is disposed below the exhaust fan 35. In the vertical direction, the exhaust fan 35, at least a part of the condenser 32, and at least a part of the controller 36 are disposed in the same position. This allows the air that has passed through the condenser 32 and flowed around the controller 36 to smoothly flow out into the space outside the machine room 40.

[0098] The cool storage 1 includes a battery chamber 13 that houses the battery mounting unit 18. The battery mounting unit 18 is protected by being housed in the battery chamber 13. As a result, deterioration of the battery mounting unit 18 is suppressed.

[0099] The battery mounting portion is disposed on the first inner side surface A of the battery chamber 13. This allows the user of the cooler 1 to smoothly mount and remove the power tool battery 17 to and from the battery mounting portion .

[0100] The cool storage 1 is provided with a battery chamber cover 4 that opens and closes an opening 16 of the battery chamber 13. The opening 16 is closed by the battery chamber cover 4, so that the battery mounting section 18 is protected by the battery chamber cover 4. This prevents deterioration of the battery mounting section 18. When attaching or detaching the power tool battery 17 to or from the battery mounting section 18, the opening 16 is open, so that the user of the cool storage 1 can smoothly attach or detach the power tool battery 17 to or from the battery mounting section 18.

[0101] The opening 16 of the battery chamber 13 is provided in an upper portion of the battery chamber 13. A user of the cooler 1 can easily open and close the opening 16 using the battery chamber cover 4.

[0102] Cooling box 1 has output terminal 19 housed in battery chamber 13. Output terminal 19 is protected by being housed in battery chamber 13. This prevents deterioration of output terminal 19. In addition, since output terminal 19 is not disposed in cool storage chamber 11, there is no need to open opening 15 of cool storage chamber 11 when output terminal 19 is to be used.

[0103] The output terminal 19 outputs the electric power from the power tool battery 17. This enables the cooler 1 to charge the rechargeable battery of the electronic device.

[0104] The output terminal 19 is disposed on the second inner side surface 14B of the battery chamber 13. This allows the user of the cooler 1 to smoothly attach and detach an electronic device to and from the output terminal 19. Furthermore, by disposing the output terminal 19 on the second inner side surface 14B rather than on the bottom surface 14E of the battery chamber 13, intrusion of foreign matter into the output terminal 19 is suppressed. Furthermore, the battery mounting section 18 is disposed on the first inner side surface 14A, and the output terminal 19 is disposed on the second inner side surface 14B different from the first inner side surface 14A. This allows a USB cable to be connected to the output terminal 19 with the power tool battery 17 attached to the battery mounting section 18.

[0105] A hole 20 is provided in the bottom surface 14E of the battery chamber 13. In the battery chamber 13, the battery mounting section 18 and the output terminal 19 are each disposed above the hole 20. If water enters the battery chamber 13, the water in the battery chamber 13 is discharged from the hole 20 by the action of gravity. Even if the water that has entered the battery chamber 13 adheres to the battery mounting section 18 or the output terminal 19, the water that has adhered to the battery mounting section 18 or the output terminal 19 is discharged from the hole 20 by the action of gravity. This prevents water from remaining in the battery mounting section 18 and the output terminal 19.

[0106] Refrigerator 1 is equipped with refrigerated chamber cover 3 which opens and closes opening 15 of refrigerated chamber 11. Refrigerated chamber 11 is kept cool by closing opening 15 with refrigerated chamber cover 3. A user of refrigerated chamber 1 can smoothly carry out the work of loading or unloading an item into or from refrigerated chamber 11 by opening opening 15.

[0107] Opening 15 of cold storage compartment 11 is provided at the top of cold storage compartment 11. A user of cool storage box 1 can easily open and close opening 15 using cold storage compartment cover 3.

[0108] [Other embodiments] In the above-described embodiment, output terminal 19 may output the stored data. As described above, controller 36 has a memory including a non-volatile memory or a volatile memory. When stored data is stored in the memory, the stored data in the memory may be output via output terminal 19. For example, when operation history data of cooler 1 is stored in the memory as stored data, the operation history data may be output to a personal computer via output terminal 19 and a USB cable. A user or a maintainer of cooler 1 can perform maintenance on cooler 1 based on the operation history data. [Explanation of symbols]

[0109] 1...refrigerated storage, 2...housing, 2A...front surface, 2B...rear surface, 2C...left surface, 2D...right surface, 2E...bottom surface, 3...refrigerated storage compartment cover, 3C...sealing member, 3L...latch mechanism, 4...battery compartment cover, 4L...latch mechanism, 4R...recess, 5...caster, 6...handle, 7...carry handle, 7A...arm portion, 7B...handle portion, 7C...connecting portion, 8...hinge mechanism, 9...hinge mechanism, 10...hinge mechanism, 11...refrigerated storage compartment, 12...main body container, 12A...first inner surface, 12B...second inner surface, 12C...third inner surface, 12D...fourth inner surface, 12E...bottom surface, 13...battery chamber, 14...battery container, 14A...first inner surface, 14B...second inner surface, 14C...third inner surface, 14D...fourth inner surface, 14E...bottom surface, 14F...step surface, 15...opening, 16...opening, 17...power tool battery, 18...battery mounting portion, 19...output terminal, 20...hole, 21...front housing, 22...rear housing, 23...frame housing, 23A ...First opening, 23B...Second opening, 24...Intake port, 25...Exhaust port, 30...Cooling device, 31...Compressor, 31C...Compressor controller, 32...Condenser, 33...Evaporator, 34...Intake fan, 35...Exhaust fan, 36...Controller, 40...Machine room, 50...Leg, 51...AC adapter, 52...Cover, 53...Bottle opener, 70...Operation panel, 71...Power button, 72...Mode switch button, 73...Temperature setting button, 74...Display device, 80...Tilt sensor, 90...push switch, 131...first space, 132...second space, 141...first bottom surface, 142...second bottom surface, 171...mounting surface, 172...housing, 173...slide portion, 174...protrusion portion, 175...release button, 176...power terminal, 181...mounting surface, 182...guide portion, 183...lock hole, 184...power terminal, AX...rotating axis, BX...rotating axis, CX...rotating axis, DX...rotating axis, EX...rotating axis, FX...rotating axis, Pa...storage position, Pb...usage position.

Claims

1. A refrigerator having a main body container having a cold storage chamber, an evaporator provided in the main container; A compressor and a condenser disposed on the sides of the main body container; a battery container disposed on a side of the main container and above the compressor and the condenser, the battery container having a battery chamber; a battery mounting section that is accommodated in the battery chamber and into which a battery is attached and detached via an opening at an upper portion of the battery chamber; a rear housing in which the battery container is disposed; An operation panel, The battery compartment is disposed behind the cold storage compartment, a machine chamber in which the compressor and the condenser are housed is defined inside the rear housing below the battery container, The operation panel is disposed to the left of the battery chamber and at an upper portion of the left surface of the rear housing. Refrigerator.

2. A battery chamber cover for opening and closing an upper opening of the battery chamber, The operation panel is disposed to the left of the battery chamber cover. The refrigerator according to claim 1.

3. a hinge mechanism that connects the battery chamber cover and the rear housing, the hinge mechanism connects a right end portion of the battery chamber cover to an upper portion of a right surface of the rear housing; The refrigerator according to claim 2.

4. The operation panel includes a power button and a display device that displays an operation state of the power button. The refrigerator according to claim 1.

5. The operation panel includes a mode switching button that is operated to switch between a cold storage mode and a warm storage mode, and a display device that displays an operation state of the mode switching button. The refrigerator according to claim 1.

6. The operation panel has a temperature setting button that is operated to set a target temperature of the main container, and a display device that displays an operation state of the temperature setting button. The refrigerator according to claim 1.

7. The compressor and the condenser are disposed at different positions in the vertical direction. The cooler according to any one of claims 1 to 6.

8. In the machine room, the compressor is disposed below the condenser. The refrigerator according to claim 7.

9. An intake fan that draws air into the machine room; A controller, In the machine room, the compressor is disposed below the intake fan and the controller. The refrigerator according to claim 8.

10. The intake fan supplies air to both the condenser and the controller. The refrigerator according to claim 9.

11. An exhaust fan is provided to exhaust air from the machine room, In the machine room, the compressor is disposed below the exhaust fan. The cooler according to any one of claims 8 to 10.

12. The present invention is characterized in that it includes a cold storage chamber cover that opens and closes the opening of the cold storage chamber. The cooler according to any one of claims 1 to 11.

13. The opening of the cold storage chamber is provided at an upper portion of the cold storage chamber. The refrigerator according to claim 12.

Citation Information

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