JP2021006760A - Electrical apparatus - Google Patents

Abstract

To provide an electrical apparatus that is improved in convenience and facilitated in maintenance.SOLUTION: The electrical apparatus includes: a storage part where an opening is formed and a storage space continued to the opening is defined inside thereof; an opening/closing part capable of opening/closing the opening; a battery connection part configured to be capable of connecting to a battery pack; an output part operated by electrical power from the battery pack; and a control part for controlling the electrical power to be supplied to the output part.SELECTED DRAWING: Figure 4

Description

The present invention relates to electrical equipment.

Conventionally, a portable electric device having a housing capable of accommodating foods and drinks and the like and capable of cooling or heating the foods and drinks and the like (contained items) housed in the housing has been widely used. As such a portable electric device, for example, a cooler box in which an internal battery is incorporated in a housing is known (Patent Document 1). The cooler box described in Patent Document 1 is driven by the electric power of the external power source to cool the contents while charging the internal battery in a place where an external power source can be used, and is charged in a place where the external power source cannot be used. It is configured to cool the contents by being driven by the electric power of the internal battery.

Japanese Unexamined Patent Publication No. 9-138047

However, in the above-mentioned cooler box, when trying to charge the internal battery, the cooler box itself must be moved to a place where an external power source can be used, which is inconvenient. Further, when the internal battery breaks down, it is necessary to repair or replace the internal battery incorporated in the housing, which causes a problem that maintenance is difficult.

Therefore, an object of the present invention is to provide an electric device having improved convenience and easy maintenance.

In order to solve the above problems, the present invention is configured to be connectable to a storage portion in which an opening is formed and a storage space continuous with the opening is defined inside, an opening / closing portion capable of opening / closing the opening, and a battery pack. Provided is an electric device including a battery connection unit, an output unit operated by the electric power of the battery pack, and a control unit for controlling the electric power supplied to the output unit.

According to such a configuration, since it is provided with a battery connection portion that can be connected to the battery pack, even if the battery pack fails, the output unit can be connected by connecting another battery pack to the battery connection portion. Can be powered. As a result, the convenience is high and the maintenance can be facilitated as compared with the configuration using the internal battery.

In order to solve the above problems, the present invention further provides an electric power supply to an accommodating portion in which an opening is formed and an accommodating space continuous with the opening is defined inside, an opening / closing portion capable of opening and closing the opening, and electric power. A temperature changing means for changing the temperature in the accommodation space, a battery connecting part configured to be connectable to the battery pack, and a power supply unit configured to be able to supply the electric power of the battery pack to the temperature changing means. Provided is an electric device including a control unit for controlling electric power supplied from the power supply unit to the temperature changing means.

According to such a configuration, since it is provided with a battery connection portion that can be connected to the battery pack, even if the battery pack fails, the temperature changes by connecting another battery pack to the battery connection portion. The means can be powered. As a result, the convenience is high and the maintenance can be facilitated as compared with the configuration using the internal battery.

Further, in the above configuration, it is preferable that the battery connection portion is provided in the opening / closing portion.

According to such a configuration, since the battery connection portion is provided in the opening / closing portion, the inside of the accommodation space can be widened as compared with the configuration in which the battery connection portion is provided in the accommodation portion. Further, when the opening is closed by the opening / closing portion with the battery pack connected to the battery connecting portion, the airtightness in the accommodation space can be enhanced by the weight of the battery pack. In particular, since the battery pack is heavier than a single dry battery, the battery pack is effective for improving the airtightness. In addition, the battery pack can be easily attached and detached. Further, when the accommodating portion is tilted and the water or the like accumulated in the accommodating space is discarded from the opening, it is possible to prevent the water from entering the battery connection portion even when the water flows along the wall surface of the accommodating portion.

Further, in the above configuration, it is preferable that the control unit is mounted on the control board, and the control board is provided on the opening / closing part.

According to such a configuration, since the control board is provided in the opening / closing portion, the accommodation space can be widened as compared with the configuration in which the control board is provided in the accommodating portion. Further, when the accommodating portion is tilted and the water or the like accumulated in the accommodating space is discarded from the opening, it is possible to prevent the water from entering the control board even when the water flows along the wall surface of the accommodating portion.

Further, the opening / closing portion has a battery accommodating portion capable of accommodating the battery pack in a state of being connected to the battery connecting portion, and the battery accommodating portion is in a state of being connected to the battery connecting portion in a closed state. It is preferable to have a lid that covers the battery pack and exposes the battery pack in the open state.

According to such a configuration, the battery pack in a state of being connected to the battery connection portion can be covered by the lid. As a result, the battery pack connected to the battery connection portion can be protected from impact, rainwater, and the like, and failure of the battery pack can be suppressed.

Further, the accommodating portion has a peripheral wall portion that extends in the first direction and one end in the first direction defines the opening, and a bottom wall portion that closes the other end of the peripheral wall portion in the first direction. The opening / closing portion further has a substrate accommodating portion for accommodating the control substrate, and the floor and the bottom wall portion of the substrate accommodating portion in the first direction in a state where the opening / closing portion closes the opening. It is preferable that the separation distance from the battery housing portion is longer than the separation distance between the floor of the battery housing portion and the bottom wall portion.

According to such a configuration, when the electric device is placed on the ground with the bottom wall portion facing downward, the floor of the substrate accommodating portion accommodating the control substrate is located higher than the floor of the battery accommodating portion. Therefore, the space between the floor and the bottom wall of the substrate accommodating portion can be widened in a state where the opening / closing portion closes the opening of the accommodating portion. Further, in the case of the configuration in which the battery accommodating portion and the substrate accommodating portion are communicated with each other, even if rainwater or the like infiltrates into the battery accommodating portion, it is possible to prevent rainwater from flowing into the substrate accommodating portion and protect the control board. it can.

Further, it is preferable that the battery connection portion is configured to be connected to the battery pack by moving the battery pack toward the battery connection portion in one of the first directions.

According to such a configuration, the battery pack can be easily connected to the battery connection portion.

Further, the battery connection portion is configured to be connected to the battery pack by moving the battery pack toward the battery connection portion in one of the second directions intersecting with the first direction. Is preferable.

Further, it is preferable to provide a plurality of the battery connection portions.

According to such a configuration, it is possible to increase the electric power that can be supplied to the temperature changing means.

Further, it is preferable that the power supply connection unit that can be connected to the external power supply is further provided, and the power supply unit is configured to be able to supply the power of the external power supply to the temperature changing means.

According to such a configuration, electric power can be supplied to the temperature changing means even when the battery pack is full, and the convenience can be further improved.

Further, a temperature detecting means for detecting the temperature in the accommodation space is further provided, and the control unit includes a connection state between the battery connection portion and the battery pack, a connection state between the power supply connection portion and the external power supply, and the external power supply. It is preferable to control the electric power supplied to the temperature changing means based on at least one of the temperatures in the accommodation space.

According to such a configuration, the control unit determines the power supplied to the temperature changing means based on the connection state between the battery connection unit and the battery pack, the connection state between the power supply connection unit and the external power supply, and the temperature in the accommodation space. For control, appropriate power can be supplied to the temperature changing means.

Further, the battery pack is preferably a battery pack for power tools.

According to such a configuration, it is possible to increase the electric power that can be supplied to the temperature changing means as compared with the case where a dry battery is used. Further, when working with an electric tool, the battery pack can be used. In addition, if the battery pack is attached to the opening / closing part, it is heavier than a dry battery. Therefore, if the opening is closed by the opening / closing part with the battery pack connected to the battery connection part, the storage space depends on the weight of the battery pack. The airtightness inside can be further improved.

Further, it is preferable that the control unit is mounted on a control board, and the control board is provided on a side surface or a bottom surface of the housing unit.

According to such a configuration, the opening / closing part can be made lighter, and the opening / closing part can be easily opened / closed.

Further, it is preferable that the battery connection portion is provided on the bottom surface of the housing portion.

According to such a configuration, the opening / closing part can be made lighter, and the opening / closing part can be easily opened / closed. In addition, electrical equipment can be placed stably.

Further, it is preferable that a pair of casters are provided at the end of the bottom surface of the housing portion, and the battery connecting portion is provided at a portion other than the end portion on the bottom surface of the housing portion.

With such a configuration, the casters can facilitate the movement of electrical equipment. Furthermore, when the accommodating part is tilted around the caster and the water collected in the accommodating space is discarded from the opening, the battery connection part is provided on the opposite side of the caster even if the water flows along the wall surface of the accommodating part. Therefore, it is possible to prevent water from entering the battery connection portion.
In order to solve the above problems, the present invention further comprises an accommodating portion having an accommodating space for accommodating an object to be heated or an object to be cooled, an opening / closing portion for opening and closing an opening formed in the upper part of the accommodating portion, and an electric tool. An electric device including a battery connection unit that can be connected to a battery pack for power tools, a Pelche element that operates by the power of the battery pack for an electric tool, and a control unit that controls the power supplied to the Pelche element. The battery connection portion includes a connection terminal portion for connecting to the power tool battery pack and a guide portion for guiding the power tool battery pack to the connection terminal portion, and includes the battery connection portion and the battery connection portion. In the Pelche element, when the electric device is viewed from above, the Pelche element and the battery pack for an electric tool connected to the battery connection portion do not overlap each other and the opening / closing portion is closed. A pair of casters are provided at the end of the bottom of the accommodating portion so as not to be exposed to the outside, and the pair of casters are provided on the side surface of the accommodating portion. Provided is an electric device characterized in that a handle that can be gripped by a user is provided on a side surface opposite to the side.
In the above configuration, the guide portion is preferably a guide rail that guides the slide connection of the battery pack for the power tool to the connection terminal portion.
In the above configuration, the battery accommodating portion capable of accommodating the battery pack for the power tool in a state of being connected to the battery connecting portion is provided, and the battery accommodating portion is connected to the battery connecting portion in the closed state. It is preferable to have a lid that covers the battery pack for power tools and exposes the battery pack for power tools in the open state.
In order to solve the above problems, the present invention further includes a storage portion having a storage space for accommodating an object to be heated or an object to be cooled, an opening / closing unit for opening and closing an opening formed in the upper part of the storage portion, and an electric tool. The battery connection unit includes a battery connection unit that can be connected to the battery pack, a Perche element that operates by the power of the battery pack for an electric tool, and a control unit that controls the power supplied to the Perche element. Has a connection terminal portion for connecting to the battery pack for electric tools and a guide portion for guiding the battery pack for electric tools to the connection terminal portion, and the control unit is provided in the opening / closing unit. The opening / closing portion mounted on a control board has a battery accommodating portion capable of accommodating the battery pack for an electric tool in a state of being connected to the battery connecting portion, and the accommodating portion extends in a first direction and the first. One end in one direction has a peripheral wall portion that defines the opening, and the bottom wall portion that closes the other end of the peripheral wall portion in the first direction. The opening / closing portion accommodates a substrate that accommodates the control substrate. In a state where the opening / closing portion closes the opening, the distance between the floor of the substrate accommodating portion and the bottom wall portion in the first direction is the distance between the floor of the battery accommodating portion and the battery accommodating portion. It is configured to be longer than the distance from the bottom wall portion, and a pair of casters is provided at the end of the bottom portion of the accommodating portion, and is a side surface of the accommodating portion opposite to the side on which the pair of casters is provided. Provided is an electrical device characterized in that a handle that can be gripped by a user is provided on a side surface of the device.
In order to solve the above problems, the present invention further includes a storage portion having a storage space for accommodating an object to be heated or an object to be cooled, an opening / closing unit for opening and closing an opening formed in the upper part of the storage portion, and an electric tool. The housing unit includes a battery connection unit that can be connected to the battery pack, a Pelche element that operates by the power of the battery pack for electric tools, and a control unit that controls the power supplied to the Pelche element. The peripheral wall portion that extends in the first direction in the vertical direction and one end in the first direction defines the opening, and the bottom wall portion that closes the other end of the peripheral wall portion in the first direction. The opening / closing portion has a first floor portion and a second floor portion having a predetermined thickness in the first direction, and in a state where the opening / closing portion closes the opening, the lower surface of the first floor portion and the opening / closing portion are described. The separation distance from the upper surface of the bottom wall portion is longer than the separation distance between the lower surface of the second floor portion and the upper surface of the bottom wall portion, and a pair of casters are provided at the end of the bottom portion of the accommodation portion. The present invention provides an electric device characterized in that a handle that can be gripped by a user is provided on a side surface of the accommodating portion that is opposite to the side on which the pair of casters is provided.
In the above configuration, the battery connection portion moves the battery pack for a power tool toward the battery connection portion in one of the first directions, or in a second direction intersecting the first direction. It is preferable that the battery pack for power tools is connected to the battery pack by moving it in one of the directions.
In the above configuration, it is preferable to include a plurality of the battery connection portions.
In the above configuration, the power supply connection unit that can be connected to an external power source and the power supply unit that is configured to be able to supply the power of the battery pack for the power tool to the Peltier element are further provided. It is preferable that the power of the external power source can be supplied to the Peltier element.
In the above configuration, the temperature detecting means for detecting the temperature in the accommodation space is further provided, and the control unit includes a connection state between the battery connection unit and the battery pack for the power tool, the power supply connection unit, and the external power supply. It is preferable to control the power supplied to the Peltier element based on at least one of the connection state of the Peltier element and the temperature in the accommodation space.
In the above configuration, it is preferable that the control unit is mounted on a control board, and the control board is provided on any one of the opening / closing unit, the side portion of the accommodating portion, and the bottom portion of the accommodating portion.
In the above configuration, the battery connection portion is preferably provided at the opening / closing portion or the bottom portion of the accommodating portion.
In the above configuration, a pair of casters is provided at the end of the bottom of the accommodating portion, and the user can grip the side surface of the accommodating portion on the side surface opposite to the side on which the pair of casters is provided. It is preferable that a handle is provided.
In the above configuration, the operation display unit has an operation display unit for switching the operation state of the Peltier element, and the operation display unit has a hot / cold changeover switch for switching the operation state between a cooling mode, a heating mode, and a hot / cold off mode. Is preferable.
Further, in the above configuration, it is preferable that the operation display unit has an output changeover switch for switching the output of the cooling mode or the output of the heating mode between the high mode, the normal mode, and the low mode.
In the above configuration, the opening / closing portion includes a first fan portion provided below the Peltier element in the vertical direction, a second fan portion provided above the Peltier element in the vertical direction, and the vertical direction. A heat exchange unit provided between the first fan unit and the second fan unit is provided, and the heat exchange unit is a heat conductive member that abuts the Peltier element and the Peltier element in the vertical direction. The first fan portion has a first fan and a first fin portion provided below the heat conductive member in the vertical direction so as to face the heat conductive member. The second fan portion preferably has a second fan and a second fin portion provided between the second fan and the Peltier element in the vertical direction.
In the above configuration, it is preferable that the second fan, the second fin portion, the Peltier element, the heat conductive member, and the first fin portion are arranged side by side in the vertical direction.
In order to solve the above problems, the present invention further comprises a storage portion having a storage space for accommodating an object to be heated or an object to be cooled, an opening / closing unit for opening and closing an opening formed in the upper part of the storage portion, and an electric tool. It is an electric device including a battery connection unit that can be connected to a battery pack, a Perche element that operates by the power of the battery pack for a power tool, and a control unit that controls the power supplied to the Perche element. A pair of casters is provided at the end of the bottom of the accommodating portion, and a handle that can be gripped by the user is provided on the side surface of the accommodating portion that is opposite to the side on which the pair of casters is provided. Provided is an electric device characterized by being provided.

According to the electric device of the present invention, convenience can be improved and maintenance can be facilitated.

It is a perspective view which shows the appearance of the temperature control container by 1st Embodiment of this invention. It is a top view which shows the appearance of the temperature control container by 1st Embodiment of this invention, and shows the state which the battery pack is connected to the battery connection part. It is a partial cross-sectional view along the line III-III of FIG. 2 which shows the inside of the temperature control container by 1st Embodiment of this invention. It is a partial cross-sectional view along the IV-IV line of FIG. 2 which shows the inside of the temperature control container by 1st Embodiment of this invention. It is a partial cross-sectional view along the VV line of FIG. 2 which shows the inside of the temperature control container by 1st Embodiment of this invention. FIG. 5 is a sectional plan view showing the inside of the opening / closing lid portion of the temperature control container according to the first embodiment of the present invention. It is a perspective view which shows the appearance of the temperature control container by 1st Embodiment of this invention, and shows the state which the battery lid is in an open posture. It is a partial cross-sectional view along the line III-III of FIG. 2 showing the inside of the temperature control container according to the first embodiment of the present invention, and shows a state in which the battery lid is in an open position. It is a figure which shows the operation display part of the temperature control container by 1st Embodiment of this invention. It is a circuit diagram which includes the block diagram which shows the electric structure of the temperature control container by 1st Embodiment of this invention, and shows the state which is connected to the battery pack P. Perche according to the presence / absence of external power input, the presence / absence of battery connection, the remaining battery level, and the accommodation space temperature in each of the high mode, normal mode, and low mode of the temperature control container according to the first embodiment of the present invention. It is a table showing the power supply. It is a top view which shows the appearance of the temperature control container by 2nd Embodiment of this invention, and shows the state which connected the battery pack to the battery connection part. It is a partial cross-sectional view along the line XIII-XIII of FIG. 12 which shows the inside of the temperature control container by 2nd Embodiment of this invention, and shows the state which a battery lid is in a closed posture. It is a partial cross-sectional view along the line XIII-XIII of FIG. 12 which shows the inside of the temperature control container by 2nd Embodiment of this invention, and shows the state which the battery lid is in an open posture. It is a partial cross-sectional plan view which shows the inside of the opening / closing lid part of the temperature control container by 2nd Embodiment of this invention. It is a partial cross-sectional plan view which shows the inside of the opening / closing lid part of the temperature control container by the 3rd Embodiment of this invention. FIG. 5 is a partial cross-sectional plan view showing the inside of the opening / closing lid portion of the temperature control container according to the fourth embodiment of the present invention. FIG. 5 is a partial cross-sectional plan view showing the inside of the opening / closing lid portion of the temperature control container according to the fifth embodiment of the present invention. It is a partial cross-sectional front view which shows the inside of the temperature control container by 6th Embodiment of this invention. It is a partial cross-sectional front view which shows the inside of the temperature control container by 7th Embodiment of this invention. It is a partial cross-sectional front view which shows the inside of the temperature control container by 8th Embodiment of this invention. It is a partial cross-sectional front view which shows the inside of the temperature control container by the 9th Embodiment of this invention.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the following description, when a specific numerical value is mentioned, for example, when the length is referred to as "20 mm", it is not only the case where it completely matches the numerical value but also substantially the same as the numerical value. The case shall also be included. In addition, when referring to the positional relationship, for example, when referring to parallel, orthogonal, opposite, etc., not only when they are completely parallel, orthogonal, opposite, etc., but also when they are substantially parallel, substantially orthogonal, substantially opposite, etc. Including certain cases.

An embodiment of the present invention will be described with reference to FIGS. 1 to 22.

First, the electric device according to the first embodiment of the present invention will be described with reference to FIGS. 1 to 11. FIG. 1 is a perspective view showing the appearance of the temperature control container 1. In the following explanation, "front" indicated by the arrow in the figure is forward, "rear" is backward, "up" is upward, "down" is downward, and "right" is right. The direction, "left", is defined as the left direction.

The temperature control container 1 shown in FIG. 1 uses either a battery pack P for a power tool (FIG. 2) or an external power source other than the battery pack P as a power source, and foods and drinks and the like housed therein (hereinafter, It is an electric device configured to be able to cool and heat the container). The temperature control container 1 has three modes related to cooling and heating, that is, a hot / cold function (cooling mode, a heating mode, and a hot / cold off mode), and three modes related to the output of the hot / cold function (high mode, normal mode, and low mode). And have. Further, the temperature control container 1 has a charging function, and is configured to be able to charge the battery pack P. The details of the above mode and the charging function will be described later.

As shown in FIGS. 1 to 5, the temperature control container 1 can be connected to the accommodating portion 2, the opening / closing lid portion 3, the heat exchange portion 4, the first fan portion 5, and the battery pack P. It includes a configured battery connection unit 6, a second fan unit 7, and a control board unit 8.

FIG. 2 is a plan view showing the appearance of the temperature adjusting container 1, and shows a state in which the battery pack P is connected to the battery connecting portion 6. 3 to 5 are views showing the inside of the temperature control container 1, FIG. 3 is a partial cross-sectional view taken along line III-III of FIG. 2, and FIG. 4 is taken along line IV-IV of FIG. FIG. 5 is a partial cross-sectional view taken along the line VV of FIG. In FIG. 4, the bottom surface of the battery pack P is shown instead of the cross section.

As shown in FIGS. 1 to 5, the accommodating portion 2 has a substantially box shape in which an opening 2a (FIGS. 3 to 5) is formed at the upper end portion, and the peripheral wall portion 21 and the peripheral wall portion 21. It has a floor wall portion 22 integrally formed with the floor wall portion 22. Further, as shown in FIGS. 3 to 5, a storage space 2b continuous with the opening 2a is defined inside the storage portion 2.

As shown in FIGS. 1 and 3 to 5, the peripheral wall portion 21 has a substantially rectangular shape in the front view, and has a predetermined thickness in the front-rear direction, a front wall portion 21A and a rear wall portion 21B, and a right side surface. It has a right wall portion 21C and a left wall portion 21D which are rectangular in view and have a predetermined thickness in the left-right direction, a pair of lock portions 21E, and a handle 21F.

The front wall portion 21A and the rear wall portion 21B are arranged substantially in parallel, the right wall portion 21C connects the right end edge of the front wall portion 21A and the right end edge of the rear wall portion 21B, and the left wall portion 21D , The left end edge of the front wall portion 21A and the left end edge of the rear wall portion 21B are connected. Further, each upper end portion of the front wall portion 21A, the rear wall portion 21B, the right wall portion 21C, and the left wall portion 21D defines an opening 2a having a substantially rectangular shape in a plan view, in other words, the upper end portion of the peripheral wall portion 21. The section defines an opening 2a.

As shown in FIGS. 1 and 2, the pair of lock portions 21E is a manually operable lock mechanism for fixing the opening / closing lid portion 3 to the accommodating portion 2, and is a front surface of the front wall portion 21A. It is provided side by side in the left-right direction at the top. As shown in FIG. 1, the handle 21F is a portion that the user grips when transporting the temperature adjusting container 1, and is provided on the upper left surface of the left wall portion 21D. Specifically, the handle 21F is connected to the upper part of the left surface of the left wall portion 21D via a rotation shaft (not shown), and is configured to be rotatable around the rotation shaft.

As shown in FIGS. 4 to 5, the floor wall portion 22 is a portion that closes the lower end portion of the peripheral wall portion 21, has a substantially rectangular shape in the bottom view, and has a predetermined thickness in the vertical direction. There is. Further, as shown in FIG. 1, a pair of casters 22B is provided at the right end portion of the floor wall portion 22. The floor wall portion 22 is an example of the “bottom wall portion” in the present invention.

As shown in FIGS. 3 to 5, the accommodating space 2b is a space for accommodating the contained object, and is an inner surface of the peripheral wall portion 21 (rear surface of the front wall portion 21A, front surface of the rear wall portion 21B, It is defined by the left surface of the right wall portion 21C and the right surface of the left wall portion 21D) and the upper surface of the floor wall portion 22. Further, the outer peripheral portion of the peripheral wall portion 21 and the floor wall portion 22 integrally formed is made of ABS resin, and the inside of the peripheral wall portion 21 and the floor wall portion 22 is filled with a heat insulating material 2A such as urethane foam. There is. As a result, the heat insulating property in the accommodation space 2b is ensured.

As shown in FIG. 1, the opening / closing lid portion 3 has a substantially rectangular parallelepiped shape and is rotatably provided with respect to the accommodating portion 2. Specifically, the lower part of the rear portion of the opening / closing lid portion 3 is connected to the upper end portion of the rear wall portion 21B of the accommodating portion 2 via a rotation shaft extending in the left-right direction (not shown), and the opening 2a of the accommodating portion 2 is opened. It is configured to be rotatable around the rotation axis between the closed posture of closing (the state shown in FIGS. 1 to 5) and the open posture of opening the opening 2a (not shown). When the opening / closing lid portion 3 is in the open posture, the opening 2a is opened, and the contained object can be accommodated in the accommodating space 2b through the opening 2a. Further, when the opening / closing lid portion 3 is in the closed posture, the opening 2a is closed and the accommodation space 2b is closed. By fixing the opening / closing lid portion 3 to the accommodating portion 2 by the pair of lock portions 21E, the airtightness in the accommodating space 2b can be improved. The opening / closing lid portion 3 is an example of the “opening / closing portion” in the present invention.

Further, as shown in FIGS. 1 to 5, the opening / closing lid portion 3 is provided with a heat exchange portion 4, a first fan portion 5, a battery connection portion 6, a second fan portion 7, and a control board portion 8. As shown in FIG. 6, a battery accommodating space 3a, a fan accommodating space 3b, and a substrate accommodating space 3c are defined inside the opening / closing lid portion 3. FIG. 6 is a partial cross-sectional plan view showing the inside of the opening / closing lid portion 3.

As shown in FIGS. 3 to 6, the opening / closing lid portion 3 defines the bottom surface of the opening / closing lid portion 3 and closes the opening 2a in the closed posture, and the lid floor wall portion 31 and the lid floor wall portion 31. A front plate portion 32 that extends upward from the front end edge of the upper surface to define the front surface of the opening / closing lid portion 3, and a rear plate portion 33 that defines the rear surface extending upward from the rear end edge of the upper surface of the lid floor wall portion 31. The right plate portion 34 that extends upward from the right end edge of the upper surface of the lid floor wall portion 31 and defines the right side surface, and the left plate portion 35 that extends upward from the left end edge of the upper surface of the lid floor wall portion 31 and defines the left side surface. And an upper plate portion 36 that connects the upper end portions of each of the front plate portion 32, the rear plate portion 33, the right plate portion 34, and the left plate portion 35.

As shown in FIGS. 4 and 5, the lid floor wall portion 31 has a substantially rectangular shape that is long in the front-rear direction in the bottom view and has a predetermined thickness in the vertical direction, that is, the first floor portion 311 and the second floor portion. It has a 312 and an inclined floor portion 313 that is integrally connected to the first floor portion 311 and the second floor portion 312. Further, the outer shell portion of the lid floor wall portion 31 (the first floor portion 311 and the second floor portion 312 and the inclined floor portion 313 integrally formed) is made of ABS resin, and the inside of the lid floor wall portion 31 is , A heat insulating material 2A such as urethane foam is filled. As a result, the heat insulating property in the accommodation space 2b when the opening / closing lid portion 3 is in the closed posture is improved.

The first floor portion 311 forms the left portion of the opening / closing lid portion 3 and is located above the second floor portion 312. The second floor portion 312 forms the right portion of the opening / closing lid portion 3. Further, as shown in FIG. 3, a substantially circular through hole 312a in a plan view penetrating the second floor portion 312 in the vertical direction slightly behind the center in the front-rear direction of the second floor portion 312. Is formed. A heat exchange unit 4 is arranged in the through hole 312a. Further, a first fan portion 5 is provided on the lower surface of the second floor portion 312. The inclined floor portion 313 connects the right edge portion of the first floor portion 311 and the left edge portion of the second floor portion 312.

Here, the positional relationship between the first floor portion 311 and the second floor portion 312 will be described with reference to FIG. The upper surface 311A of the first floor portion 311 is located above the upper surface 312A of the second floor portion 312, and the upper surface 311A of the first floor portion 311 and the upper surface 22A of the floor wall portion 22 of the accommodating portion 2 are separated from each other. The distance L1 is longer than the separation distance L2 between the upper surface 312A of the second floor portion 312 and the upper surface 22A of the floor wall portion 22. That is, the upper surface 311A of the first floor portion 311 is located at a higher position than the upper surface 312A of the second floor portion 312.

Further, in this state, the lower surface 311B of the first floor portion 311 is located above the lower surface 312B of the second floor portion 312, and the lower surface 311B of the first floor portion 311 and the upper surface 22A of the floor wall portion 22 The separation distance L3 is longer than the separation distance L4 between the lower surface 312B of the second floor portion 312 and the upper surface 22A of the floor wall portion 22. In the present embodiment, the separation distance L3 is approximately 364 mm and can accommodate a 2 L pet bottle (about 310 mm), and the separation distance L4 is approximately 305 mm and can accommodate a 500 mL pet bottle (approximately 218 mm). Is. The separation distance L1 is approximately 394 mm, and the separation distance L2 is approximately 335 mm.

Next, the battery accommodating space 3a, the fan accommodating space 3b, and the substrate accommodating space 3c defined inside the opening / closing lid 3 will be described. As shown in FIG. 6, the battery accommodating space 3a is in the right front part in the opening / closing lid 3, the fan accommodating space 3b is in the right rear part in the opening / closing lid 3, and the substrate accommodating space 3c is the opening / closing lid 3. It is defined on the left side of the inside.

A battery connecting portion 6 is provided in the battery accommodating space 3a, and the battery pack P can be accommodated in a state of being connected to the battery connecting portion 6. The battery storage space 3a is provided from the front portion (FIGS. 3 and 4) of the upper surface 312A of the second floor portion 312, the right rear surface (FIG. 3 and FIG. 6) of the front plate portion 32, and the center in the front-rear direction on the upper surface 312A. The front surface of the first partition plate 37 (FIGS. 3 and 6) extending slightly upward from the front portion, the front left surface of the right plate portion 34 (FIGS. 4 and 6), and the first floor portion. The right side surface (FIGS. 4 and 6) of the second partition plate 38 extending upward from the front portion of the right edge of the upper surface 311A of 311 and the lower surface of the right front portion of the upper plate portion 36 (FIGS. 3 and 4). , And is a space that does not communicate with the fan accommodating space 3b and the substrate accommodating space 3c. The portion defining the battery accommodating space 3a and the battery accommodating space 3a is an example of the "battery accommodating portion" in the present invention.

Further, the upper part of the portion defining the battery accommodating space 3a of the front plate portion 32 and a part of the portion defining the battery accommodating space 3a of the upper plate portion 36 are notched and are notched. A battery lid 3A is provided in the portion. The battery lid 3A is connected to the front plate portion 32 via a rotating shaft 32A extending in the left-right direction provided on the front plate portion 32, and is connected to the battery accommodating space 3a and the outside around the rotating shaft 32A. The closed posture that cuts off the communication (the state shown in FIGS. 2 to 4 and the closed state) and the open posture that communicates the battery accommodating space 3a and the outside (the state shown in FIGS. 7 and 8 and the open state). It is configured to be rotatable between the state) and. Further, in a state where the battery pack P is connected to the battery connection portion 6, the battery lid 3A exposes the battery pack P to the outside in the open posture and covers the battery pack P in the closed posture. FIG. 7 is a perspective view showing the appearance of the temperature control container 1 in the open position (open state) of the battery lid 3A, and FIG. 8 is a temperature control container in the state in which the battery lid 3A is in the open position. It is a partial cross-sectional view along the line III-III of FIG. 2 showing the inside of 1. The battery lid 3A is an example of the "lid" in the present invention.

A second fan portion 7 is provided in the fan accommodating space 3b. The fan accommodating space 3b includes a rear portion of the upper surface 312A of the second floor portion 312 (FIGS. 3 and 5), a front surface of the right portion of the rear plate portion 33 (FIGS. 3 and 6), and a rear surface of the first partition plate 37 (FIGS. 3 and 6). 3 and 6), the rear left surface of the right plate 34 (FIGS. 5 and 6), and the right surface of the third partition plate 39 extending downward from substantially the center in the left-right direction of the lower surface of the upper plate 36. It is defined by (FIGS. 5 and 6) and the lower surface of the right rear portion of the upper plate portion 36 (FIGS. 3 and 5).

Further, as shown in FIG. 5, a gap is formed between the lower end portion of the third partition plate 39 and the inclined floor portion 313 to communicate the fan accommodating space 3b and the substrate accommodating space 3c. .. Further, as shown in FIGS. 1 and 2, a plurality of intake holes 3d that communicate the fan accommodating space 3b and the outside are formed in a portion of the upper plate portion 36 that defines the fan accommodating space 3b. A plurality of exhaust holes 3e that communicate the fan accommodating space 3b and the outside are formed in a portion of the right plate portion 34 that defines the fan accommodating space 3b.

A control board portion 8 is provided in the board accommodating space 3c. The substrate accommodating space 3c includes an upper surface 311A (FIGS. 4 and 5) of the first floor portion 311, a left rear surface (FIG. 6) of the front plate portion 32, and a left front surface (FIG. 6) of the rear plate portion 33. , The right side surface of the left plate portion 35 (FIGS. 4 and 6), the left surface surface of the second partition plate 38 (FIGS. 4 and 6), and the left surface surface of the third partition plate 39 (FIGS. 5 and 6). , The lower surface of the left portion of the upper plate portion 36 (FIGS. 4 and 5). The portion defining the substrate accommodating space 3c and the substrate accommodating space 3c is an example of the "board accommodating portion" in the present invention.

As shown in FIG. 2, a plurality of exhaust holes 3f are formed in the front portion of the left plate portion 35 that defines the substrate accommodating space 3c. As shown in FIG. 1, an operation display unit 3B is provided on the front surface of the portion of the front plate portion 32 that defines the substrate accommodation space 3c.

Here, the operation display unit 3B will be described with reference to FIGS. 9 and 10. FIG. 9 is a diagram showing the operation display unit 3B, and FIG. 10 is a circuit diagram including a block diagram showing an electrical configuration of the temperature control container 1, showing a state of being connected to the battery pack P.

As shown in FIG. 9, the operation display unit 3B has a power switch 3F, a hot / cold changeover switch 3G, and an output changeover switch 3H, which are push-type switch buttons that can be manually operated, and a mode state. It includes a cooling lamp 3I, a heating lamp 3J, a high output lamp 3K, a low output lamp 3L, and a charging lamp 3M composed of LEDs. Further, as shown in FIG. 10, the three push-type switches and the lamps of the operation display unit 3B are connected to the control board unit 8, and the three switch buttons send signals according to the user's operation. It is configured to output to the control board unit 8, and the lighting state of each lamp is changed by the control board unit 8 according to the mode state.

The power switch 3F is a switch for switching the power on / off of the temperature control container 1. The hot / cold changeover switch 3G is a switch for switching the mode between the cooling mode, the heating mode, and the hot / cold off mode. The output changeover switch 3H is a switch for switching the mode between the high mode, the normal mode, and the low mode.

In the present embodiment, when the cooling mode is set, the cooling lamp 3I is turned on and the heating lamp 3J is turned off, and when the heating mode is set, the cooling lamp 3I is turned off and heated. The lamp 3J is turned on, and when the hot / cold off mode is set, the cooling lamp 3I and the heating lamp 3J are turned off. Further, when the high mode is set, the high output lamp 3K is turned on and the low output lamp 3L is turned off, and when the low mode is set, the high output lamp 3K is turned off and the low output is low. The lamp 3L is turned on, and when the normal mode is set, the high output lamp 3K and the low output lamp 3L are turned off. Further, the charging lamp 3M is turned on when the battery pack P is being charged, and is turned off when the battery pack P is not being charged. For example, when charging is not performed in the cooling mode and the high mode, the cooling lamp 3I and the high output lamp 3K are turned on, and the other lamps are turned off.

Returning to FIG. 6, an external power supply connecting portion 3C is provided in a portion of the rear plate portion 33 that defines the substrate accommodating space 3c. As shown in FIG. 10, the external power supply connection unit 3C has an external positive terminal 3D and an external negative terminal 3E connected to the control board unit 8, and can be connected to an external power source other than the battery pack P. It is configured in. For example, by using a cable F having a terminal F1 connectable to the external power supply connection unit 3C at one end and a cigar socket F2 at the other end shown in FIG. 6, it can be connected to an in-vehicle battery. Further, for example, by using a cable G provided with an AC / DC conversion adapter G1 and having a terminal G2 connectable to an external power supply connection unit 3C at one end and an outlet plug G3 at the other end, a commercial power source for home use ( It can be connected to AC100V). The external power supply connection unit 3C is an example of the “power supply connection unit” in the present invention.

Next, the heat exchange unit 4 will be described. As shown in FIG. 3, the heat exchange unit 4 has a Peltier element 41 and an aluminum block 42.

The Pelche element 41 is a thin plate-shaped heat exchange element, the upper surface of which is in contact with the second fan portion 7, and the lower surface of which is in contact with the aluminum block 42. Further, the Peltier element 41 has a first terminal 43 and a second terminal 44 (FIG. 10), and when a current flows from the first terminal 43 to the second terminal 44, the upper surface generates heat and the lower surface generates heat. It absorbs heat (the bottom surface is cooled). On the other hand, when a current flows from the second terminal 44 to the first terminal 43, the upper surface absorbs heat and the lower surface generates heat. The aluminum block 42 is a heat conductive member made of aluminum and is fitted in the through hole 312a. The lower surface of the aluminum block 42 is close to the first fan portion 5, and heat exchange is performed between the lower surface of the Peltier element 41 and the first fan portion 5. The heat exchange unit 4 is an example of the "temperature changing means" and the "output unit" in the present invention.

Next, the first fan section 5 will be described. As shown in FIGS. 3 to 5, the first fan portion 5 is provided on the lower surface of the second floor portion 312 of the lid floor wall portion 31, and includes the first fin portion 51 and the first fan 52. Have.

As shown in FIG. 5, the first fin portion 51 has a plurality of metal heat radiating fins extending in the front-rear direction and having a predetermined length in the vertical direction, and the aluminum block 42 of the heat exchange portion 4 It is located directly under. The first fan 52 is a centrifugal fan and is provided in front of the first fin portion 51. When the first fan 52 rotates, the air flow A shown in FIG. 3 is generated in the accommodation space 2b, and the air in the accommodation space 2b is agitated. As a result, the air in the accommodation space 2b is cooled when the lower surface of the Perche element 41 is absorbing heat, and is heated when the lower surface of the Perche element 41 is generating heat.

Next, the battery pack P that can be connected to the battery connection unit 6 and the battery pack P will be described.

First, the battery pack P will be described with reference to FIG. As shown in FIG. 10, the battery pack P houses a battery set including a plurality of secondary batteries serving as a power source for the Peltier element 41 and the control board unit 8. Further, the battery pack P has a charge plus terminal (C +), a discharge plus terminal (+), a charge / discharge minus terminal (-), a temperature signal output terminal (T), an overcharge signal output terminal (V), and a battery type discrimination terminal. (Ls), has a battery level signal output terminal (LD). In the present embodiment, the secondary battery is a lithium ion secondary battery.

Returning to FIG. 3, the battery connection portion 6 will be described. As shown in FIG. 3, the battery connection portion 6 has a connection terminal portion 61 and a pair of guide portions 62 (FIG. 7).

The connection terminal portion 61 is provided over the front surface of the first partition plate 37 and the upper surface 312A of the second floor portion 312, and is configured to be connectable to the battery pack P. The connection between the connection terminal portion 61 and the battery pack P is performed by sliding the battery pack P from above the connection terminal portion 61 toward the connection terminal portion 61 downward (arrow D in FIG. 3). The vertical direction is an example of the "first direction" in the present invention, and the downward direction is an example of the "one of the first directions" in the present invention.

Further, as shown in FIG. 10, the connection terminal portion 61 has a charge plus terminal (C +), a discharge plus terminal (+), and a charge / discharge minus when the connection terminal portion 61 and the battery pack P are connected. It has 7 terminals that are connected to the terminal (-), temperature signal output terminal (T), overcharge signal output terminal (V), battery type identification terminal (Ls), and battery level signal output terminal (LD). doing.

As shown in FIG. 7, the pair of guide portions 62 are guide rails extending vertically to guide the slide connection of the battery pack P to the connection terminal portion 61, and are left and right ends on the front surface of the first partition plate 37. It is provided in each part.

Next, the second fan section 7 will be described. As shown in FIGS. 3 and 5, the second fan portion 7 has a second fin portion 71 and a second fan 72.

The second fin portion 71 has a plurality of metal heat radiating fins extending in the left-right direction and having a predetermined length in the up-down direction, and is located directly above the Peltier element 41 of the heat exchange portion 4. The second fan 72 is an axial flow fan, is attached to the upper plate portion 36, and is located directly below the intake hole 3d. When the second fan 72 rotates, the air flow B and the air flow C shown in FIGS. 5 and 6 are generated.

The air flow B is sucked into the fan accommodating space 3b from the intake hole 3d, passes between the plurality of heat radiation fins of the second fin portion 71, and is a gap between the lower end portion of the second partition plate 38 and the inclined floor portion 313. This is the flow of air discharged from the exhaust hole 3f after flowing into the substrate accommodating space 3c through the space. The air flow B cools the control board portion 8 regardless of whether the lower surface of the Pelche element 41 is absorbing heat or the lower surface of the Pelche element 41 is generating heat.

The air flow C is sucked into the fan accommodating space 3b from the intake hole 3d, passes between the plurality of heat radiation fins of the second fin portion 71, and is discharged from the exhaust hole 3e formed in the left plate portion 35. It is the flow of. When the lower surface of the Pelche element 41 absorbs heat due to the air flow C, the heat of the upper surface of the Pelche element 41 can be discharged to the outside through a plurality of heat radiation fins, and the cooling in the accommodation space 2b can be efficiently performed. It can be carried out. Further, when the lower surface of the Peltier element 41 generates heat, the air in the air flow C is endothermic to the heat radiation fins due to the air flow C.

Next, the control board unit 8 will be described. As shown in FIGS. 4 to 6, the control board unit 8 includes a control board 81 having a rectangular shape in a plan view, a power supply circuit 82, a switching circuit 83, and a control unit 84, which will be described later, mounted on the control board 81. And have. The control board 81 is installed on the upper surface 311A of the first floor portion 311 in the board accommodation space 3c. As described above, in the present embodiment, since the control board 81 is installed on the upper surface 311A of the first floor 311 at a position higher than the upper surface 312A of the second floor 312 (FIG. 5), the upper plate Even when water droplets such as rainwater enter the fan accommodating space 3b from the intake hole 3d of the unit 36, it is possible to prevent the water droplets from invading the substrate accommodating space 3c, and the control board 81 caused by the water droplets can be suppressed. It is possible to suppress the failure of various circuits mounted in. Further, in the present embodiment, since the second partition plate 38 is provided between the fan accommodating space 3b and the substrate accommodating space 3c, water droplets entering the fan accommodating space 3b enter the substrate accommodating space 3c. Invasion can be further suppressed.

Further, in the present embodiment, the thin plate-shaped control board 81 is provided on the upper surface 311A of the first floor portion 311 located above the upper surface 312A of the second floor portion 312, and the upper surface of the second floor portion 312 is provided. Since the 312A is provided with the second fan portion 7 having a large height in the vertical direction, the temperature adjusting container 1 is provided with the opening / closing lid portion 3 in the open position without increasing the vertical dimension of the temperature adjusting container 1. The internal space can be widened. The first floor portion 311 is an example of the "floor of the substrate accommodating portion" in the present invention, and the second floor portion 312 is an example of the "floor of the battery accommodating portion" in the present invention.

Next, the electrical configuration of the control board unit 8 will be described with reference to FIG. As shown in FIG. 10, the control board unit 8 includes a power supply circuit 82, a switching circuit 83, and a control unit 84 mounted on the control board 81.

The power supply circuit 82 is a circuit configured to be able to supply the power of the external power supply connected to the battery pack P and the external power supply connection unit 3C to the heat exchange unit 4, and charges the plus line 82A, the minus line 82B, and the like. It has a circuit 82C, a first FET 82D, a first power supply circuit 82E, a second FET 82F, and a second power supply circuit 82G. The power supply circuit 82 is an example of the “power supply unit” in the present invention.

The plus line 82A is a power supply line connected to the external plus terminal 3D of the external power supply connection unit 3C. The minus line 82B is a GND line connected to the external minus terminal 3E of the external power supply connection part 3C, and is a connection terminal part 61 (a terminal connected to the charging minus terminal (-) of the battery pack P) and a first power supply circuit. It is connected to 82E, a second power supply circuit 82G, a control unit 84, and the like.

The charging circuit 82C is a circuit capable of charging the battery pack P, is connected between the plus line 82A and the minus line 82B, and is connected to the connection terminal portion 61 (charging plus terminal (C +) of the battery pack P). It is connected to the terminal) and the control unit 84. The charging circuit 82C converts the voltage applied from the external positive terminal 3D and the external negative terminal 3E into a voltage suitable for charging the battery pack P based on the charging control signal output from the control unit 84, and the battery pack Charge P. For example, when a 12V in-vehicle battery is connected to the external power supply connection unit 3C and the specified charging voltage of the battery set included in the battery pack P is 14.4V, the voltage (12V) of the in-vehicle battery is set to 14. The voltage is boosted to 4V, and the 14.4V is used to charge the battery pack P under constant current and constant voltage control. When the specified charging voltage of the battery set included in the battery pack P is 18V, the voltage (12V) of the in-vehicle battery is boosted to 18V, and the battery pack P is charged by constant current and constant voltage control using the 18V. ..

The first FET 82D is a switching element that switches between conduction and non-conduction between the drain and the source by a signal from the control unit 84, and the drain is a plus line 82A and a connection terminal unit 61 (discharge plus terminal (+) of the battery pack P). The source is connected to the first power supply circuit 82E, and the gate is connected to the control unit 84.

The first power supply circuit 82E is a constant voltage power supply circuit that supplies electric power to the first fan 52, the second fan 72, and the Peltier element 41, and converts the voltage applied via the first FET 82D into 12V and outputs it. When the connection terminal portion 61 and the battery pack P are not connected, the voltage of the external power supply (12V in the present embodiment) is applied to the first power supply circuit 82E via the plus line 82A and the first FET 82D. When the connection terminal portion 61 and the battery pack P are connected, the voltage of the battery pack P (battery set) or the voltage boosted by the charging circuit 82C (14.4 V or 14.4 V in the present embodiment). 18V) is applied via the connection terminal portion 61 (terminal connected to the discharge plus terminal (+)) and the first FET 82D.

The second FET 82F is a switching element that switches between conduction and non-conduction between the drain and the source by a signal from the control unit 84. The drain is the switching circuit 83, the source is the first power supply circuit 82E, and the gate is the control unit 84. It is connected to the.

The second power supply circuit 82G is a constant voltage power supply circuit that supplies power to the control unit 84, and is connected to the plus line 82A and the connection terminal unit 61 (terminals connected to the discharge plus terminal (+) of the battery pack P). ing. The second power supply circuit 82G converts the voltage applied via the plus line 82A or the connection terminal unit 61 into 5V and outputs the voltage to the control unit 84.

The switching circuit 83 is a contact switching circuit provided between the power supply circuit 82 and the Peltier element 41, and based on a signal from the control unit 84, the connection state between the power supply circuit 82 and the Peltier element 41 is determined. Switch between 1 connection, 2nd connection, and 3rd connection. In the case of the first connection, the first terminal 43 of the Peltier element 41 is connected to the minus line 82B, and the second terminal 44 is connected to the first power supply circuit 82E via the second FET 82F. In the case of the second connection, the first terminal 43 is connected to the first power supply circuit 82E via the second FET 82F, and the second terminal 44 is connected to the minus line 82B. When the third connection is made, the Peltier element 41 is not connected to the power supply circuit 82.

In the present embodiment, when power is supplied to the Peltier element 41 in the state of the first connection, the upper surface of the Peltier element 41 generates heat and the lower surface absorbs heat. That is, the first connection is a connection for cooling the inside of the accommodation space 2b (keeping the contents cold). Further, when power is supplied to the Peltier element 41 in the state of the second connection, the upper surface of the Peltier element 41 absorbs heat and the lower surface generates heat. That is, the second connection is a connection state for heating the inside of the accommodation space 2b (keeping the contents warm). Further, in the case of the third connection, power is not supplied to the Perche element 41, and the Perche element 41 does not exchange heat.

The control unit 84 includes a processing program used to control the operation of the temperature control container 1, a calculation unit (not shown) having a central processing unit (CPU) that performs calculations based on various data, the processing program, various tables, various thresholds, and the like. It is provided with a ROM (not shown) for storing data and a storage unit having a RAM (not shown) for temporarily storing data. In the present embodiment, the control unit 84 is a microcomputer.

The control unit 84 includes four terminals of the charging circuit 82C and the connection terminal unit 61 (battery pack P temperature signal output terminal (T), overcharge signal output terminal (V), battery type determination terminal (Ls), remaining battery level. It is connected to the signal output terminal (LD) and each of the four terminals connected to it), and performs temperature monitoring, overcharge monitoring, battery type determination, and battery level monitoring for the battery pack P, and the battery pack by the charging circuit 82C. Controls the charging of P. Further, the control unit 84 is connected to a temperature detecting element 3N that detects the temperature in the accommodation space 2b, and monitors the temperature in the accommodation space 2b. In the present embodiment, the temperature detecting element 3N is, for example, a thermistor arranged in the vicinity of the aluminum block 42. The temperature detecting element 3N is an example of the "temperature detecting means" in the present invention.

The control unit 84 switches on / off the power supply to the first power supply circuit 82E based on the signal output from the power supply switch 3F of the operation display unit 3B. The power supply to the first power supply circuit 82E is turned on / off by switching the conduction / non-conduction between the drain and the source of the first FET 82D.

The control unit 84 switches the mode related to cooling and heating between the cooling mode, the heating mode, and the hot / cold off mode based on the signal output from the hot / cold changeover switch 3G of the operation display unit 3B. The control unit 84 outputs a signal (signal line is not shown) to the switching circuit 83 when the cooling mode is set, and makes the first connection. When the heating mode is set, the control unit 84 makes the second connection, and when the heating / cooling off mode is set. Is the third connection.

The control unit 84 switches the output-related mode between the high mode, the normal mode, and the low mode based on the signal output from the output changeover switch 3H of the operation display unit 3B. In each mode, the control unit 84 has a connection state between the external power supply connection unit 3C and the external power supply (presence or absence of external power supply input), a connection state between the connection terminal unit 61 and the battery pack P (presence or absence of battery connection), and a battery pack. The power supplied to the Peltier element 41 (Peltier supply power) is controlled (changed) by PWM control based on the four elements of the remaining battery level of P and the temperature in the accommodation space 2b (accommodation space temperature). .. The control unit 84 performs PWM control by outputting a PWM signal to the gate of the second FET 82F.

Here, the control of the Peltier supply power by the control unit 84 in each mode of the high mode, the normal mode, and the low mode will be described with reference to FIG. FIG. 11 is a table showing the presence / absence of external power input, the presence / absence of battery connection, the remaining battery level, and the Peltier supply power according to the accommodation space temperature in each mode.

As shown in FIG. 11, when there is an external power input, the control unit 84 performs the same control in the high mode, the normal mode, and the low mode, and when there is no external power input and there is a battery connection. Controls differently between the modes.

The case where there is an external power input will be described. As shown in FIG. 11, when there is an external power input and there is no battery connection, it is not necessary to charge the battery pack P and all the power supplied from the external power source via the external power supply connection unit 3C. Can be supplied to the Peltier element 41. Therefore, in all of the high mode, the normal mode, and the low mode, the Peltier supply power is set to a maximum of 50 W to cool or heat the accommodation space 2b.

Further, when there is an external power input and a battery connection in each mode, it is determined whether or not the battery pack P is fully charged, and when it is fully charged, it is not necessary to charge the battery pack P. Therefore, the Peltier supply power is set to 50 W at the maximum, and the accommodation space 2b is cooled or heated. On the other hand, when there is an external power input and there is a battery connection in each mode and it is necessary to charge the battery pack P instead of fully charging (“empty” in FIG. 11), the Pelche supply power is set to 35 W for cooling or heating. Is performed, and the charging power of the battery pack P is set to 10 W. Whether or not the battery pack P is fully charged is determined based on the battery level signal output from the battery level signal output terminal (LD).

The case where there is no external power input and there is a battery connection, that is, the case where the temperature control container 1 is driven by the battery pack P as a power source will be described. If there is no external power input and there is a battery connection, the Peltier supply power is changed according to the accommodation space temperature. Specifically, if the cooling mode is set in this state, the Pelche supply power is changed depending on whether the accommodation space temperature is higher or lower than the predetermined cooling temperature threshold, and the heating mode is set. If so, the Pelche supply power is changed depending on whether the accommodation space temperature is lower or higher than the predetermined heating temperature threshold.

Here, the case where there is no external power input and there is a battery connection when the cooling mode is set will be described.

When the cooling mode is set, there is no external power input and there is a battery connection, in the high mode, the cooling in the accommodation space 2b is given the highest priority, and the accommodation space temperature is higher or lower than the cooling temperature threshold. In both cases, the maximum power supply to Pelche is 50W. As described above, in the high mode, since the cooling in the accommodation space 2b is given the highest priority, the accommodation can be cooled rapidly.

In the normal mode, when the accommodation space temperature is higher than the cooling temperature threshold value, that is, when the need for cooling in the accommodation space 2b is high, the Pelche supply power is set to the maximum of 50 W and the cooling is given the highest priority. On the other hand, when the accommodation space temperature is lower than the cooling temperature threshold, that is, when the need for cooling in the accommodation space 2b is low, the power consumption of the battery pack P is prioritized over the cooling, and the Pelche supply power is supplied. It is set to 20W. As described above, in the normal mode, the Peltier supply power is maximized when cooling in the accommodation space 2b is required, and the Peltier supply power is set to 20 W when the need for cooling is low, and the power consumption of the battery pack P is increased. It is suppressing. Therefore, the inside of the accommodation space 2b can be efficiently cooled, and the driving time of the temperature adjusting container 1 by the battery pack P can be lengthened.

In the low mode, the suppression of the power consumption of the battery pack P is given the highest priority, and the Peltier supply power is set to 20 W both when the accommodation space temperature is higher and lower than the cooling temperature threshold value. As described above, in the low mode, since the suppression of power consumption is given the highest priority, the driving time of the temperature adjusting container 1 by the battery pack P can be further extended.

As described above, in the temperature control container 1 according to the present embodiment, the accommodating portion 2 in which the opening 2a is formed and the accommodating space 2b continuous with the opening 2a is defined inside, and the opening / closing lid portion 3 capable of opening and closing the opening 2a. A heat exchange unit 4 that changes the temperature in the accommodation space 2b by being supplied with electric power, a battery connection unit 6 configured to be connectable to the battery pack P, and a heat exchange unit 4 that transfers the electric power of the battery pack P. It is provided with a power supply circuit 82 configured to be able to supply the power supply circuit 82, and a control board unit 8 for controlling the power supplied from the power supply circuit 82 to the heat exchange unit 4.

According to such a configuration, since the battery connecting portion 6 configured to be connectable to the battery pack P is provided, another battery pack is connected to the battery connecting portion 6 even if the battery pack P fails. As a result, electric power can be supplied to the heat exchange unit 4. As a result, the convenience is high and the maintenance can be facilitated as compared with the configuration using the internal battery.

Further, in the present embodiment, the control unit 84 is mounted on the control board 81, and the battery connection unit 6 and the control board 81 are provided on the opening / closing lid portion 3. As a result, the accommodation space 2b can be widened as compared with the configuration in which the battery connection unit 6 and the control board 81 are provided in the accommodation unit 2. Further, when the opening 2a is closed by the opening / closing lid 3 with the battery pack P connected to the battery connecting portion 6, the weight of the battery pack P can enhance the airtightness in the accommodation space 2b. Further, since the battery connecting portion 6 is provided on the hinge side (rear side) and the opposite side (front side), which is the rotation fulcrum of the opening / closing lid portion 3, the weight of the battery pack P is higher than that in the case where the battery connecting portion 6 is provided on the hinge side. Can be used to further enhance the airtightness. Further, since the battery pack P is heavier than a single dry battery, the battery pack is effective for improving the airtightness.

Further, in the present embodiment, the opening / closing lid portion 3 has a portion that defines a battery accommodating space 3a and a battery accommodating space 3a that can accommodate the battery pack P in a state of being connected to the battery connecting portion 6. The portion defining the battery accommodating space 3a has a battery lid 3A that covers the battery pack P in a state of being connected to the battery connection portion 6 in the closed posture and exposes the battery pack P in the open posture. As a result, the battery pack P connected to the battery connection portion 6 can be protected from impact, rainwater, and the like, and failure of the battery pack P can be suppressed.

Further, in the present embodiment, the accommodating portion 2 has a peripheral wall portion 21 extending in the vertical direction and having an upper end portion defining an opening 2a, and a floor wall portion 22 that closes the lower end portion of the peripheral wall portion 21. The opening / closing lid portion 3 has a portion that defines a substrate accommodating space 3c for accommodating the control substrate 81 and a substrate accommodating space 3c, and is the first in the vertical direction in a state where the opening / closing lid portion 3 closes the opening 2a. The separation distance L3 between the floor portion 311 and the floor wall portion 22 is longer than the separation distance L4 between the second floor portion 312 and the floor wall portion 22. When the temperature control container 1 is placed on the ground with the floor wall portion 22 facing downward, the first floor portion 311 is at a higher position than the second floor portion 312. As a result, the space between the first floor portion 311 and the floor wall portion 22 can be widened in a state where the opening / closing lid portion 3 closes the opening 2a of the accommodating portion 2. Further, in the case of the configuration in which the battery accommodating portion and the substrate accommodating portion are communicated with each other, even if rainwater or the like infiltrates into the battery accommodating portion, it is possible to prevent rainwater from flowing into the substrate accommodating portion and protect the control board. it can.

Further, in the present embodiment, the battery connecting portion 6 and the battery connecting portion 6 are moved toward the battery connecting portion 6 in the downward direction (arrow D in FIG. 3) in the vertical direction. It is configured to be connected. As a result, the battery pack P can be easily connected to the battery connection unit 6.

Further, in the present embodiment, the external power supply connection unit 3C that can be connected to the external power source (vehicle-mounted battery or commercial power source for home use) is provided, and the power supply circuit 82 uses the power of the external power source as the heat exchange unit 4. It is configured to be able to supply to. As a result, electric power can be supplied to the heat exchange unit 4 even when the battery pack is full, and the convenience can be further improved.

Further, in the present embodiment, the temperature detecting element 3N for detecting the temperature of the accommodation space 2b is provided, and the control unit 84 includes the connection state between the battery connection unit 6 and the battery pack P, the external power supply connection unit 3C, and the control unit 84. The power supplied to the heat exchange unit 4 is controlled based on at least one of the connection state with the external power source and the temperature of the accommodation space 2b. As a result, appropriate electric power can be supplied to the heat exchange unit 4. Further, the battery pack is preferably a battery pack for power tools. According to such a configuration, it is possible to increase the electric power that can be supplied to the temperature changing means as compared with the case where a dry battery is used. Further, when working with an electric tool, the battery pack can be used. In addition, if the battery pack is attached to the opening / closing part, it is heavier than a dry battery. Therefore, if the opening is closed by the opening / closing part with the battery pack connected to the battery connection part, the weight of the battery pack causes the inside of the accommodation space. The airtightness of the battery can be further improved.

Next, the temperature control container 200, which is an example of the electric device according to the second embodiment of the present invention, will be described with reference to FIGS. 12 to 15. The same members and configurations as those of the temperature adjusting container 1 are designated by the same reference numerals, the description thereof will be omitted, and only different configurations will be described.

As shown in FIGS. 12 to 15, the temperature control container 200 includes a battery connection portion 206 and a battery lid 203A. FIG. 12 is a plan view showing the appearance of the temperature control container 200, and shows a state in which the battery pack P is connected to the battery connection portion 206. FIG. 13 is a partial cross-sectional view of the inside of the temperature control container 200 along the line XIII-XIII of FIG. 12, showing a state in which the battery lid 203A is in the closed position. FIG. 14 is a partial cross-sectional view of the inside of the temperature control container 200 along the line XIII-XIII of FIG. 12, showing a state in which the battery lid 203A is in the open posture. FIG. 15 is a partial cross-sectional plan view showing the inside of the opening / closing lid portion 3 of the temperature adjusting container 200.

As shown in FIGS. 13 and 14, the battery connection portion 206 has a connection terminal portion 261 and a pair of guide portions (not shown). The connection terminal portion 261 is provided on the upper surface 312A of the second floor portion 312, and is configured to be connectable to the battery pack P. The connection between the connection terminal portion 261 and the battery pack P is performed by sliding the battery pack P from the right side of the connection terminal portion 261 toward the connection terminal portion 261 to the left side (arrow E in FIG. 14). The left-right direction is an example of the "second direction" in the present invention, and the left direction is an example of the "one of the second directions" in the present invention.

The pair of guides are guide rails extending to the left and right to guide the slide connection of the battery pack P to the connection terminal 261, and are provided on the upper surface 312A of the second floor 312 at predetermined intervals in the front-rear direction. There is.

As shown in FIG. 12, the battery lid 203A is rotatably connected to two rotating shafts 236A provided in the upper plate portion 36 extending in the front-rear direction, and is centered on the rotating shaft 236A. In addition, an open posture (state shown in FIG. 14) for communicating the battery storage space 3a with the outside and a closed posture (state shown in FIG. 13) for blocking communication between the battery storage space 3a and the outside. It is configured to be rotatable between and. Further, in a state where the battery pack P is connected to the battery connection portion 206, the battery lid 203A exposes the battery pack P to the outside in the open posture and covers the battery pack P in the closed posture.

As described above, in the temperature control container 200, which is an example of the electric device according to the second embodiment of the present invention, the battery pack P is placed on the left side of the left and right directions intersecting the vertical direction toward the battery connection portion 206. It is configured to be connected to the battery pack P by moving it. Therefore, it is possible to prevent the connection between the battery pack P and the battery connection portion 206 (the terminal of the battery pack P and the connection terminal portion 261) from becoming unstable due to the centrifugal force accompanying the opening and closing of the opening / closing lid portion 3. Further, as compared with the first embodiment, the vertical dimension of the battery accommodating space 3a can be suppressed, so that the separation distances L2 and L4 can be widened.

Next, the temperature control container 300, which is an example of the electric device according to the third embodiment of the present invention, will be described with reference to FIG. The same members and configurations as those of the temperature control container according to the above-described embodiment are designated by the same reference numerals, the description thereof will be omitted, and only different configurations will be described. FIG. 16 is a partial cross-sectional plan view showing the inside of the opening / closing lid portion 3 of the temperature adjusting container 300.

The temperature control container 300 includes a battery connection portion 306 having a connection other terminal portion (not shown) and a pair of guide portions (not shown). The connection terminal portion of the battery connection portion 306 is provided on the upper surface 312A of the second floor portion 312, and is configured to be connectable to the battery pack P. The connection between the connection terminal portion of the battery connection portion 306 and the battery pack P is made by sliding the battery pack P from the front of the connection terminal portion to the rear (arrow F in FIG. 16) toward the connection terminal portion. Do. The front-back direction is an example of the "second direction" in the present invention, and the rear direction is an example of the "one of the second directions" in the present invention.

The pair of guide portions of the battery connection portion 306 are guide rails extending in the front-rear direction to guide the slide connection of the battery pack P to the connection terminal portion, and have a predetermined interval in the left-right direction on the upper surface 312A of the second floor portion 312. It is provided open.

As described above, the temperature control container 300, which is an example of the electric device according to the third embodiment of the present invention, moves the battery pack P backward in the front-rear direction intersecting the vertical direction toward the battery connection portion 306. It is configured to be connected to the battery pack P by allowing it to be connected. Therefore, the battery pack P can be attached / detached from the same direction (front) as the operation display unit 3B. Therefore, it is possible to remove the battery pack P after confirming whether or not the temperature adjusting container 300 is activated. Further, as compared with the first embodiment, the vertical dimension of the battery accommodating space 3a can be suppressed, so that the separation distances L2 and L4 can be widened.

Next, the temperature adjusting container 400, which is an example of the electric device according to the fourth embodiment of the present invention, will be described with reference to FIG. The same members and configurations as those of the temperature control container according to the above-described embodiment are designated by the same reference numerals, the description thereof will be omitted, and only different configurations will be described. FIG. 17 is a partial cross-sectional plan view showing the inside of the opening / closing lid portion 3 of the temperature adjusting container 400.

Two battery connecting portions (not shown) are provided in the battery accommodating space 3a of the temperature adjusting container 400, and can be accommodated in a state where the battery pack P is connected to each of the two battery connecting portions. ..

As described above, since the temperature control container 400, which is an example of the electric device according to the fourth embodiment of the present invention, has a plurality of battery connection portions, in detail, two battery connection portions are provided in the battery accommodation space 3a. Therefore, the heat exchange unit 4 can be supplied with electric power from the two battery packs P, that is, the electric power that can be supplied to the heat exchange unit 4 can be increased. As a result, the contents can be cooled or heated for a long time. The battery pack P may be slid-connected in the vertical direction as in the first embodiment.

Next, the temperature adjusting container 500, which is an example of the electric device according to the fifth embodiment of the present invention, will be described with reference to FIG. The same members and configurations as those of the temperature control container according to the above-described embodiment are designated by the same reference numerals, the description thereof will be omitted, and only different configurations will be described. FIG. 18 is a partial cross-sectional plan view showing the inside of the opening / closing lid portion 3 of the temperature adjusting container 500.

In the opening / closing lid 3 of the temperature control container 500, a first battery accommodating space 503a, a second battery accommodating space 503b, and a fan accommodating space 503c are defined independently of each other. Specifically, the first battery accommodating space 503a is in the front right side in the opening / closing lid 3, the second battery accommodating space 503b is in the rear right side, and the fan accommodating space 503c is the first battery accommodating space 503a and the second battery accommodating space. It is defined between 503b and 503b. Each of the first battery accommodating space 503a and the second battery accommodating space 503b is provided with a battery connection portion (not shown).

As described above, the opening / closing lid portion 3 of the temperature control container 500, which is an example of the electric device according to the fifth embodiment of the present invention, is separated from the first battery accommodating space 503a and the second battery accommodating space 503b. Two battery storage spaces are defined, and the battery pack P can be stored. Therefore, power can be supplied to the heat exchange unit 4 from the two battery packs P, that is, the power that can be supplied to the heat exchange unit 4 can be increased. As a result, the contents can be cooled or heated for a long time.

Next, the temperature adjusting container 600, which is an example of the electric device according to the sixth embodiment of the present invention, will be described with reference to FIG. The same members and configurations as those of the temperature control container according to the above-described embodiment are designated by the same reference numerals, the description thereof will be omitted, and only different configurations will be described. FIG. 19 is a partial cross-sectional front view showing the inside of the temperature control container 600.

As shown in FIG. 19, a fan accommodating space 603b is defined on the right side of the opening / closing lid 3 of the temperature control container 600, and a battery accommodating space 603a is defined on the upper left side, and the lower left side is defined. The substrate accommodation space 603c is defined in the space. The battery accommodating space 3a and the substrate accommodating space 603c are separated by a partition wall 603A. A battery connection portion 606 is provided on the upper surface of the partition wall 603A in the battery accommodation space 603a.

As described above, the space on the left side in the opening / closing lid 3 of the temperature control container 600, which is an example of the electric device according to the sixth embodiment of the present invention, is divided into the battery storage space 603a and the substrate storage space 603c by the partition wall 603A. It is separated. Therefore, since the distance between the terminal connection portion and the control board 81 can be shortened, the wiring connecting them can be shortened. Therefore, it is easy to assemble and the cost can be reduced. In addition, the accommodation space 2b can be widened.

Next, the temperature adjusting container 700, which is an example of the electric device according to the seventh embodiment of the present invention, will be described with reference to FIG. The same members and configurations as those of the temperature control container according to the above-described embodiment are designated by the same reference numerals, the description thereof will be omitted, and only different configurations will be described. FIG. 20 is a partial cross-sectional front view showing the inside of the temperature control container 700.

As shown in FIG. 20, the temperature control container 700 includes a housing portion 702 and an opening / closing lid 703. The lower right side of the accommodating portion 702 is recessed to the left, a battery accommodating space 702a is defined in the recessed portion, and a battery connecting portion 706 is provided in the battery accommodating space 702a. A fan accommodating space 703b is defined on the right side of the opening / closing lid 703, and a substrate accommodating space 703c is defined on the left side. Further, a battery connection portion 706 is provided on the opposite side (lower right portion in the drawing) to the portion where the caster 22B is provided (lower left portion in the drawing).

As described above, in the temperature control container 700, which is an example of the electric device according to the seventh embodiment of the present invention, the battery storage space 702a is defined on the lower right side of the storage portion 702. Therefore, the opening / closing lid portion 3 can be made lighter, and the opening / closing lid portion 3 can be easily opened and closed. Further, it is possible to make it difficult for foreign matter such as rainwater to enter the battery accommodating space 702a. Further, since the lower part of the temperature adjusting container 700 becomes heavy, the temperature adjusting container 700 can be stably placed. Further, when the electric device is tilted by the caster 22B and the water or the like accumulated in the accommodating portion 702 is discarded, even if the water flows along the wall surface of the accommodating portion 702, the water is prevented from flowing into the battery connecting portion 706. Can be done.

Next, the temperature adjusting container 800, which is an example of the electric device according to the eighth embodiment of the present invention, will be described with reference to FIG. The same members and configurations as those of the temperature control container according to the above-described embodiment are designated by the same reference numerals, the description thereof will be omitted, and only different configurations will be described. FIG. 21 is a partial cross-sectional front view showing the inside of the temperature control container 800.

As shown in FIG. 21, the temperature control container 800 includes an accommodating portion 802 and an opening / closing lid 803. A battery accommodating space 802a is defined on the lower right side of the accommodating portion 802, and a battery connecting portion 806 is provided in the battery accommodating space 802a. A substrate accommodating space 802c is defined on the lower left side of the accommodating portion 802. A fan accommodating space 803b is defined on the right side of the opening / closing lid 803. Further, a battery connection portion 806 is provided on the opposite side (lower right portion in the drawing) to the portion where the caster 22B is provided (lower left portion in the drawing).

As described above, in the temperature control container 800 which is an example of the electric device according to the eighth embodiment of the present invention, the battery accommodating space 802a is defined on the lower right side of the accommodating portion 802, and the substrate accommodating space 802c is the accommodating portion. It is defined on the lower left side of 802. Therefore, the opening / closing lid portion 3 can be made lighter, and the opening / closing lid portion 3 can be easily opened and closed. Further, it is possible to make it difficult for foreign matter such as rainwater to enter the substrate accommodating space 802c and the battery accommodating space 802a. Further, since the lower part of the temperature adjusting container 700 becomes heavy, the temperature adjusting container 700 can be stably placed. Further, when the electric device is tilted by the caster 22B and the water or the like accumulated in the accommodating portion 702 is discarded, even if the water flows along the wall surface of the accommodating portion 802, the water is prevented from flowing into the battery connecting portion 806. Can be done.

Next, the temperature adjusting container 900, which is an example of the electric device according to the ninth embodiment of the present invention, will be described with reference to FIG. The same members and configurations as those of the temperature control container according to the above-described embodiment are designated by the same reference numerals, the description thereof will be omitted, and only different configurations will be described. FIG. 22 is a partial cross-sectional front view showing the inside of the temperature control container 900.

As shown in FIG. 22, the temperature control container 900 includes a housing portion 902, an opening / closing lid 903, and a battery connecting portion 906 provided on the upper surface of the opening / closing lid 903. A through hole 902d penetrating in the left-right direction is formed substantially in the center of the left wall portion 21D of the accommodating portion 902 in the vertical direction, and a heat exchange portion 4 is arranged in the through hole 902d. On the right side of the heat exchange unit 4, the first fan portion 5 is provided on the right side surface of the left wall portion 21D, and on the left side of the heat exchange unit 4, the second fan is provided on the left side surface of the left wall portion 21D. A part 7 is provided. A control board portion 8 is provided below the second fan portion 7 on the left side surface of the left wall portion 21D.

Further, on the left side surface of the left wall portion 21D, a cover portion 910 that covers the second fan portion 7 and the control board portion 8 is provided. In the cover portion 910, a fan accommodating space 910a in which the second fan portion 7 is accommodated and a substrate accommodating portion 910b in which the control substrate portion 8 is accommodated are defined.

As described above, in the temperature control container 800 which is an example of the electric device according to the ninth embodiment of the present invention, the battery connection portion 906 is provided on the upper surface of the opening / closing lid 903, so that the battery pack P and the battery are connected. The connection with the unit 906 can be easily performed. In addition, the accommodation space 2b can be widened. Further, the opening / closing lid portion 3 can be made lighter, and the opening / closing lid portion 3 can be easily opened and closed.

The electric device according to the present invention is not limited to the above-described embodiment, and various modifications can be made within the scope of the gist of the invention described in the claims. For example, in the above embodiment, the temperature control container 1 has been described as an example, but the present invention is not limited to this, and a temperature control container that only cools or heats, or a storage space that does not require temperature control is provided. It can be applied to electric devices such as radios that are powered by a battery pack and driven.

1,200,300,400,500,600,700,800,900 ... Temperature control container 2,702,802,902 ... Storage part 2a ... Opening 2b ... Storage space 3,703,803,903 ... Opening and closing lid part 3a , 603a, 702a, 802a ... Battery accommodation space 3A, 203A ... Battery lid 3b, 503c, 603b, 703b, 803b, 910a ... Fan accommodation space 3c, 603c, 802c, 703c ... Board accommodation space 3C ... External power supply connection 3N ... Temperature detection element 4 ... Heat exchange part 5 ... First fan part 6, 206, 306, 606, 706, 806, 906 ... Battery connection part 7 ... Second fan part 8 ... Control board part 21 ... Peripheral wall part 22 ... Floor wall Part 31 ... Lid Floor wall part 41 ... Perche element 61, 261 ... Connection terminal part 81 ... Control board 82 ... Power supply circuit 82C ... Charging circuit 84 ... Control unit 311 ... First floor part 312 ... Second floor part 313 ... Inclined Floor 503a ... First battery accommodating space 503b ... Second battery accommodating space L1 ... Separation distance L2 ... Separation distance L3 ... Separation distance L4 ... Separation distance

With such a configuration, the casters can facilitate the movement of electrical equipment. Furthermore, when the accommodating part is tilted around the caster and the water collected in the accommodating space is discarded from the opening, the battery connection part is provided on the opposite side of the caster even if the water flows along the wall surface of the accommodating part. Therefore, it is possible to prevent water from entering the battery connection portion.
In order to solve the above problems, the present invention further comprises an accommodating portion having an accommodating space for accommodating an object to be heated or an object to be cooled, an opening / closing portion for opening and closing an opening formed in the upper part of the accommodating portion, and an electric tool. An electric device including a battery connection unit that can be connected to a battery pack for electric tools, a Pelche element that operates by the power of the battery pack for an electric tool, and a control unit that controls the power supplied to the Pelche element. The battery connection portion includes a connection terminal portion for connecting to the battery pack for an electric tool and a guide portion for guiding the battery pack for an electric tool to the connection terminal portion. In the Perche element, the Perche element is formed in a state where the Perche element and the battery pack for an electric tool connected to the battery connection portion do not overlap each other and the opening / closing portion is closed when the electric device is viewed from above. A pair of casters are provided at the end of the bottom of the accommodating portion so as not to be exposed to the outside, and the pair of casters are provided on the side surface of the accommodating portion. Provided is an electrical device characterized in that a handle that can be gripped by a user is provided on a side surface opposite to the side.
In the above configuration, the guide portion is preferably a guide rail that guides the slide connection of the battery pack for the power tool to the connection terminal portion.
In the above configuration, the battery accommodating portion capable of accommodating the battery pack for the power tool in a state of being connected to the battery connecting portion is provided, and the battery accommodating portion is connected to the battery connecting portion in the closed state. It is preferable to have a lid that covers the battery pack for power tools and exposes the battery pack for power tools in the open state.
In order to solve the above problems, the present invention further comprises a storage portion having a storage space for accommodating an object to be heated or an object to be cooled, an opening / closing unit for opening and closing an opening formed in the upper part of the storage portion, and an electric tool. The battery connection unit includes a battery connection unit that can be connected to the battery pack, a Pelche element that operates by the power of the power tool battery pack, and a control unit that controls the power supplied to the Pelche element. Has a connection terminal portion for connecting to the power tool battery pack and a guide portion for guiding the power tool battery pack to the connection terminal portion, and the control unit is provided in the opening / closing portion. The opening / closing portion mounted on a control board has a battery accommodating portion capable of accommodating the battery pack for an electric tool in a state of being connected to the battery connecting portion, and the accommodating portion extends in a first direction. One end in one direction has a peripheral wall portion that defines the opening, and the bottom wall portion that closes the other end of the peripheral wall portion in the first direction, and the opening / closing portion accommodates the substrate that accommodates the control substrate. In a state where the opening / closing portion closes the opening, the distance between the floor of the substrate accommodating portion and the bottom wall portion in the first direction is the distance between the floor of the battery accommodating portion and the said. It is configured to be longer than the distance from the bottom wall portion, and a pair of casters is provided at the end of the bottom portion of the accommodating portion, and is a side surface of the accommodating portion opposite to the side on which the pair of casters is provided. Provided is an electrical device characterized in that a handle that can be gripped by a user is provided on a side surface of the device.
In order to solve the above problems, the present invention further includes a storage portion having a storage space for accommodating an object to be heated or an object to be cooled, an opening / closing unit for opening and closing an opening formed in the upper part of the storage portion, and an electric tool. The housing unit includes a battery connection unit that can be connected to the battery pack, a Pelche element that operates by the power of the battery pack for electric tools, and a control unit that controls the power supplied to the Pelche element. The peripheral wall portion that extends in the first direction in the vertical direction and one end in the first direction defines the opening, and the bottom wall portion that closes the other end of the peripheral wall portion in the first direction. The opening / closing portion has a first floor portion and a second floor portion having a predetermined thickness in the first direction, and in a state where the opening / closing portion closes the opening, the lower surface of the first floor portion and the opening / closing portion are described. The separation distance from the upper surface of the bottom wall portion is longer than the separation distance between the lower surface of the second floor portion and the upper surface of the bottom wall portion, and a pair of casters are provided at the end of the bottom portion of the accommodation portion. The present invention provides an electric device characterized in that a handle that can be gripped by a user is provided on a side surface of the accommodating portion that is opposite to the side on which the pair of casters is provided.
In the above configuration, the battery connection portion moves the battery pack for a power tool toward the battery connection portion in one of the first directions, or in a second direction intersecting the first direction. It is preferable that the battery pack for power tools is connected to the battery pack by moving it in one of the directions.
In the above configuration, it is preferable to include a plurality of the battery connection portions.
In the above configuration, the power supply connection unit that can be connected to an external power source and the power supply unit that is configured to be able to supply the power of the battery pack for the power tool to the Peltier element are further provided. It is preferable that the power of the external power source can be supplied to the Peltier element.
In the above configuration, the temperature detecting means for detecting the temperature in the accommodation space is further provided, and the control unit includes a connection state between the battery connection unit and the battery pack for the power tool, the power supply connection unit, and the external power supply. It is preferable to control the power supplied to the Peltier element based on at least one of the connection state of the Peltier element and the temperature in the accommodation space.
In the above configuration, it is preferable that the control unit is mounted on a control board, and the control board is provided on any one of the opening / closing unit, the side portion of the accommodating portion, and the bottom portion of the accommodating portion.
In the above configuration, the battery connection portion is preferably provided at the opening / closing portion or the bottom portion of the accommodating portion.
In the above configuration, a pair of casters is provided at the end of the bottom of the accommodating portion, and the user can grip the side surface of the accommodating portion on the side surface opposite to the side on which the pair of casters is provided. It is preferable that a handle is provided.
In the above configuration, the operation display unit has an operation display unit for switching the operation state of the Peltier element, and the operation display unit has a hot / cold changeover switch for switching the operation state between a cooling mode, a heating mode, and a hot / cold off mode. Is preferable.
Further, in the above configuration, it is preferable that the operation display unit has an output changeover switch for switching the output of the cooling mode or the output of the heating mode between the high mode, the normal mode, and the low mode.
In the above configuration, the opening / closing portion includes a first fan portion provided below the Peltier element in the vertical direction, a second fan portion provided above the Peltier element in the vertical direction, and the vertical direction. A heat exchange unit provided between the first fan unit and the second fan unit is provided, and the heat exchange unit is a heat conductive member that abuts the Peltier element and the Peltier element in the vertical direction. The first fan portion has a first fan and a first fin portion provided below the heat conductive member in the vertical direction so as to face the heat conductive member. The second fan portion preferably has a second fan and a second fin portion provided between the second fan and the Peltier element in the vertical direction.
In the above configuration, it is preferable that the second fan, the second fin portion, the Peltier element, the heat conductive member, and the first fin portion are arranged side by side in the vertical direction.
In order to solve the above problems, the present invention further comprises a storage portion having a storage space for accommodating an object to be heated or an object to be cooled, an opening / closing unit for opening and closing an opening formed in the upper part of the storage portion, and an electric tool. It is an electric device including a battery connection unit that can be connected to a battery pack, a Perche element that operates by the power of the battery pack for a power tool, and a control unit that controls the power supplied to the Perche element. A pair of casters is provided at the end of the bottom of the accommodating portion, and a handle that can be gripped by the user is provided on the side surface of the accommodating portion that is opposite to the side on which the pair of casters is provided. Provided is an electric device characterized by being provided.
In order to solve the above problems, the present invention further comprises an accommodating portion having an accommodating space for accommodating an object to be heated or an object to be cooled, an opening / closing portion for opening and closing an opening formed in the upper part of the accommodating portion, and a battery pack. An electric device including a battery connection unit configured to be connectable to the battery, a heat exchange unit operated by the electric power of the battery pack, and a control unit for controlling the heat exchange unit, and the bottom portion of the storage unit. An electrical device characterized in that a pair of casters is provided at an end portion of the electric device, and a handle that can be gripped by a user is provided on a side surface of the accommodating portion on the side opposite to the side on which the pair of casters is provided. I will provide a.
In the above configuration, it is preferable that the battery connection portion can be connected to the battery pack for a power tool as the battery pack.
In the above configuration, it is preferable that a plurality of the battery connection portions are provided.
In the above configuration, the battery connection portion includes a connection terminal portion connected to the terminal of the battery pack and a pair of guide portions for guiding the slide connection of the battery pack to the connection terminal portion. It is preferable that the battery pack is slid downward from above toward the connection terminal portion along the pair of guide portions so that the connection terminal portion and the battery pack are connected to each other. ..
In the above configuration, an electric device having a battery accommodating portion capable of accommodating the battery pack connected to the battery connecting portion and a lid for opening and closing the battery accommodating portion.
In the above configuration, the opening / closing portion is configured to be able to open / close the opening via a rotation shaft extending in the left-right direction, and the lid is capable of opening / closing the battery housing portion via a rotation shaft extending in the left-right direction. It is preferably configured.
In the above configuration, it is preferable that the heat exchange unit has a power supply connection unit that can be connected to an external power source, and the heat exchange unit can be supplied with electric power from the battery pack or the external power source.
In the above configuration, the pair of casters are provided on one side of the housing portion in the left-right direction, the handle is provided on the other side of the housing portion in the left-right direction, and the battery connection portion is provided in the left-right direction. It is preferably provided on one side.
In the above configuration, it is preferable that the rotation shafts of the pair of casters and the rotation shafts of the opening / closing portion intersect.
In the above configuration, it is preferable to arrange the battery connection portion on the side of the accommodation space.
In the above configuration, it is preferable to arrange the heat exchange portion on the side of the accommodation space.
In the above configuration, it is preferable that the handle is configured to be rotatable with respect to the accommodating portion.

Claims (16)

A storage unit having a storage space for storing a heating object or a cooling object,
An opening / closing part that opens / closes an opening formed in the upper part of the housing part,
A battery connection that can be connected to a battery pack for power tools,
A Pelche element operated by the power of the battery pack for electric tools,
An electric device including a control unit for controlling the power supplied to the Pelche element.
The battery connection is
A connection terminal that connects to the battery pack for power tools
It has a guide portion that guides the battery pack for a power tool to the connection terminal portion.
The battery connection portion and the Perche element are in a state in which the Perche element and the battery pack for an electric tool connected to the battery connection portion do not overlap each other and the opening / closing portion is closed when the electric device is viewed from above. The Pelche element is provided in the opening / closing portion so as not to be exposed to the outside.
A pair of casters is provided at the end of the bottom of the accommodating portion.
An electric device characterized in that a handle that can be gripped by a user is provided on a side surface of the accommodating portion, which is a side surface opposite to the side on which the pair of casters is provided. The electric device according to claim 1, wherein the guide portion is a guide rail for guiding a slide connection of the battery pack for a power tool to the connection terminal portion. It has a battery accommodating portion capable of accommodating the battery pack for a power tool in a state of being connected to the battery connecting portion.
The battery accommodating portion has a lid that covers the battery pack for a power tool in a state of being connected to the battery connection portion in a closed state and exposes the battery pack for a power tool in an open state. The electric device according to 1 or 2. A storage unit having a storage space for storing a heating object or a cooling object,
An opening / closing part that opens / closes an opening formed in the upper part of the housing part,
A battery connection that can be connected to a battery pack for power tools,
A Pelche element operated by the power of the battery pack for electric tools,
A control unit for controlling the electric power supplied to the Peltier element is provided.
The battery connection is
A connection terminal that connects to the battery pack for power tools
It has a guide portion that guides the battery pack for a power tool to the connection terminal portion.
The control unit is mounted on a control board provided on the opening / closing unit.
The opening / closing portion has a battery accommodating portion capable of accommodating the battery pack for a power tool in a state of being connected to the battery connecting portion.
The accommodating part
A peripheral wall portion extending in the first direction and one end in the first direction defining the opening,
It has a bottom wall portion that closes the other end of the peripheral wall portion in the first direction.
The opening / closing portion further includes a substrate accommodating portion for accommodating the control substrate.
In a state where the opening / closing portion closes the opening, the separation distance between the floor of the substrate accommodating portion and the bottom wall portion in the first direction is the separation between the floor of the battery accommodating portion and the bottom wall portion. Constructed longer than the distance,
A pair of casters is provided at the end of the bottom of the accommodating portion.
An electric device characterized in that a handle that can be gripped by a user is provided on a side surface of the accommodating portion, which is a side surface opposite to the side on which the pair of casters is provided. A storage unit having a storage space for storing a heating object or a cooling object,
An opening / closing part that opens / closes an opening formed in the upper part of the housing part,
A battery connection that can be connected to a battery pack for power tools,
A Pelche element operated by the power of the battery pack for electric tools,
A control unit for controlling the power supplied to the Pelche element is provided.
The accommodating part
A peripheral wall portion extending in the first direction, which is the vertical direction, and one end in the first direction defining the opening.
It has a bottom wall portion that closes the other end of the peripheral wall portion in the first direction.
The opening / closing portion has a first floor portion and a second floor portion having a predetermined thickness in the first direction.
In a state where the opening / closing portion closes the opening, the distance between the lower surface of the first floor portion and the upper surface of the bottom wall portion is set between the lower surface of the second floor portion and the upper surface of the bottom wall portion. Constructed longer than the separation distance,
A pair of casters is provided at the end of the bottom of the accommodating portion.
An electric device characterized in that a handle that can be gripped by a user is provided on a side surface of the accommodating portion, which is a side surface opposite to the side on which the pair of casters is provided. The battery connection portion moves the battery pack for a power tool toward the battery connection portion in one of the first directions, or one of the second directions intersecting the first direction. The electric device according to claim 4 or 5, wherein the electric device is configured to be connected to the battery pack for a power tool by being moved to. The electric device according to any one of claims 1 to 6, further comprising a plurality of battery connection portions. A power connection that can be connected to an external power supply,
A power supply unit configured to be able to supply the power of the battery pack for an electric tool to the Pelche element is further provided.
The electric device according to any one of claims 1 to 7, wherein the electric power supply unit is configured to be able to supply electric power of the external power source to the Peltier element. Further provided with a temperature detecting means for detecting the temperature in the accommodation space,
The control unit is based on at least one of the connection state between the battery connection unit and the battery pack for the power tool, the connection state between the power supply connection unit and the external power supply, and the temperature in the accommodation space. The electric device according to claim 8, wherein the electric power supplied to the Peltier element is controlled. The control unit is mounted on a control board and
Any one of claims 1 to 3 and 5, wherein the control board is provided on any one of the opening / closing portion, the side portion of the accommodating portion, and the bottom portion of the accommodating portion. Electrical equipment described in. The electrical device according to claim 5, wherein the battery connection portion is provided at the opening / closing portion or the bottom portion of the accommodating portion. It has an operation display unit that switches the operating state of the Peltier element.
The electric device according to any one of claims 1 to 11, wherein the operation display unit has a hot / cold changeover switch for switching the operation state between a cooling mode, a heating mode, and a hot / cold off mode. The electric device according to claim 12, wherein the operation display unit has an output changeover switch for switching an output of a cooling mode or an output of a heating mode between a high mode, a normal mode, and a low mode. The opening / closing part
A first fan portion provided below the Peltier element in the vertical direction, and
A second fan portion provided above the Peltier element in the vertical direction and
A heat exchange section provided between the first fan section and the second fan section in the vertical direction is provided.
The heat exchange unit
With the Peltier element
It has a heat conductive member that abuts on the Peltier element in the vertical direction.
The first fan section
With the first fan
It has a first fin portion provided below the heat conductive member in the vertical direction so as to face the heat conductive member.
The second fan section
With the second fan
The electric device according to any one of claims 1 to 13, further comprising a second fin portion provided between the second fan and the Peltier element in the vertical direction. The electricity according to claim 14, wherein the second fan, the second fin portion, the Pelche element, the heat conductive member, and the first fin portion are arranged side by side in the vertical direction. machine. A storage unit having a storage space for storing a heating object or a cooling object,
An opening / closing part that opens / closes an opening formed in the upper part of the housing part,
A battery connection that can be connected to a battery pack for power tools,
A Peltier element operated by the electric power of the battery pack for a power tool,
An electric device including a control unit for controlling the power supplied to the Pelche element.
A pair of casters is provided at the end of the bottom of the accommodating portion.
An electric device characterized in that a handle that can be gripped by a user is provided on a side surface of the accommodating portion that is opposite to the side on which the pair of casters is provided.

Images