Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M10/00—Secondary cells; Manufacture thereof
  • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
  • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M10/00—Secondary cells; Manufacture thereof
  • H01M10/60—Heating or cooling; Temperature control
  • H01M10/61—Types of temperature control
  • H01M10/613—Cooling or keeping cold
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M10/00—Secondary cells; Manufacture thereof
  • H01M10/60—Heating or cooling; Temperature control
  • H01M10/63—Control systems
  • H01M10/635—Control systems based on ambient temperature
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M10/00—Secondary cells; Manufacture thereof
  • H01M10/60—Heating or cooling; Temperature control
  • H01M10/65—Means for temperature control structurally associated with the cells
  • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
  • H01M10/6561—Gases
  • H01M10/6563—Gases with forced flow, e.g. by blowers

Definitions

• the present invention relates to a storage battery that can be used for various purposes.
• Patent Document 1 a battery is known in which the battery body is housed in a box.
• the present invention takes into account the above-mentioned conventional problems and aims to provide a storage battery that can avoid sudden power failure as much as possible.
• the first invention is battery and an inverter connected to the battery; a control board that controls the battery and the inverter; a temperature detection sensor attached to the inverter; warning means; When a signal from the temperature detection sensor is input and a preset limit temperature is detected, the control board is controlled to stop driving the battery or the inverter, and the temperature is lower than the limit temperature by a predetermined temperature.
• a storage battery comprising: a storage box with an openable/closable lid, in which the battery, the inverter, the control board, the temperature detection sensor, the warning means, and the control means are installed. .
• the second invention is In the storage battery of the first aspect of the present invention, the inverter is disposed on the battery, and the temperature detection sensor is attached in contact with the upper surface of the inverter.
• the third invention is A cooling fan is arranged inside the storage box at a position that blows air onto the upper surface of the inverter,
• the control means is a storage battery according to a second aspect of the present invention, which starts driving the cooling fan when the warning temperature is detected.
• the cooling fan does not have to run all the time since it cools down after the warning is issued, and since it is cooled, it prevents the warning temperature from rapidly reaching the limit temperature and extends the time it takes to shut off. This makes it possible to avoid sudden stops of power storage and inverter drive as much as possible. Also, unlike the structure where the cooling fan is installed on the wall of the box to draw in outside air and cool it, the cooling fan is placed inside the storage box, so it has excellent rainproof function.
• the fourth invention is The warning means is a means for outputting a sound warning, and is a storage battery according to the first aspect of the present invention, which increases the volume as time passes.
• the fifth invention is The warning means is a means for outputting a sound warning
• the control means has a communication means to a mobile terminal, A remote activation means for activating the remote mode is provided, When the remote mode is activated,
• the control means is a storage battery according to the first aspect of the present invention, in which, when the warning temperature is detected, the warning means does not issue an audible warning, but instead sends a warning notification to the mobile terminal.
• the sixth invention is In the storage battery according to the fifth aspect of the present invention, the mobile terminal can issue an instruction to the control means to start a cooling fan attached to the storage box or to open a lid of the storage box. be.
• the seventh invention is A tool compartment partition plate that partitions the inside of the storage box into two spaces, upper and lower, can be attached to the storage box,
• the battery, the inverter, the control board, the temperature detection sensor, and the control means are housed in the space below the tool compartment partition plate,
• a tool is placed on the tool compartment partition plate,
• the present invention according to any one of the first to sixth aspects, wherein the tool compartment partition plate is provided with a cutout portion that allows air to circulate at least in a portion facing the location where the temperature detection sensor is attached. It is a storage battery.
• the eighth invention is A method of using the storage battery of the first invention, comprising: The method of using the storage battery is characterized in that when the warning means issues a warning, the user who hears the warning opens the lid of the storage box.
• a perspective view of a storage battery according to an embodiment of the present invention A perspective view showing a modification of the storage battery
• a perspective view showing the inside of a storage box for a storage battery according to an embodiment of the present invention (a) is a block diagram showing the control relationship of the storage battery, and (b) is a specific configuration diagram of the control means.
• FIG. 1 is a perspective view of a storage battery according to an embodiment of the present invention, where 1 is a storage battery and 7 is a storage box thereof.
• a battery LCD display 71 On the front of this storage box 7, a battery LCD display 71, a main power on/off switch 72, a main power on indicator light 73, an AC output section 74, a DC output terminal 75, a USB terminal 76, an external output extraction terminal 77, etc. are arranged.
• 78 is a lid of the storage box 7
• 79 is a handle attached to the lid 78.
• an inverter-on indicator light 80 is provided on the front side of the storage box 7, and a warning means 5 and a remote mode starting means 10 are provided next to it.
• a battery 1a and an inverter 2 placed thereon are stored inside the storage box 7, as shown in FIG. 3, a battery 1a and an inverter 2 placed thereon are stored. Further, next to the inverter 2, a control board 3 with radiation fins for controlling the battery 1a and the inverter 2 is placed, and a control means 6 is provided next to the control board 3.
• a temperature detection sensor 4 is attached to the upper surface 2a of the inverter 2 to sense the temperature of that part. That location of the inverter 2 is usually the location that tends to be the hottest.
• a cooling fan 8 is arranged inside the storage box 7. It is desirable that the temperature detection sensor 4 be placed at a location where wind can be directly sent to the location where the temperature detection sensor 4 is installed. Note that this cooling fan 8 may be of a type that is placed on the wall of the storage box 7 and blows cold air from outside into the interior (not shown), but as will be described later, it is not suitable from the viewpoint of waterproofing, rainproofing, and drip-proofing. It is preferable to arrange it inside the storage box 7 as shown in FIG.
• warning means 5 in FIG. 3 is an example in which the warning means 5 is arranged inside the storage box 7 instead of on the front side.
• the control means 6 is provided with a memory 6c, which stores the value of the limit temperature at which the battery 1a and the inverter 2 should be cut off, and a predetermined value based on the limit temperature.
• the control means 6 is provided with a comparison means 6a, which inputs the output signal of the temperature detection sensor 4 and constantly compares it with the limit temperature and the warning temperature.
• the control means 6 instructs the warning means 5 to issue a warning using the instruction means 6b. Accordingly, the warning means 5 issues a warning.
• a warning is generated by making a sound, flashing a lamp (not shown), or generating vibration.
• the control means 6 instructs the cooling fan 8 to start driving by the instruction means 6b.
• the wind from this cooling fan 8 directly reaches the vicinity of the temperature detection sensor 4, so the temperature detected by the temperature detection sensor 4 either decreases, or even if it rises, it rises more gently and slowly than when no wind hits it. I will do it.
• the control means 6 instructs the cooling fan 8 to start driving by the instruction means 6b.
• the user Since the user is usually near the location where the storage battery 1 is located, the user notices the warning and cools the inside of the storage box 7 by, for example, opening the lid 78 using the handle 79.
• the remote mode will be explained.
• the storage battery 1 is used as described above, the user is usually nearby. However, there are times when you want to go out to eat, etc., and you may need to leave for a while. In such a case, it is inconvenient to drop the storage battery 1 and interrupt the use of the electrical equipment in use.
• the control means 6 can press the remote mode 0 to set the control means 6 to the remote mode.
• the control means 6 recognizes that the temperature detected by the temperature detection sensor 4 has reached the warning temperature, it does not issue a warning to the warning means 5, for example, by emitting a sound, but instead A warning notification is sent to the mobile terminal 11 by the communication means 6d. This allows the warning to reach users who are in places where the warning sound cannot reach, and at the same time, since the warning sound does not sound, there is no need to worry about surprising people who are near the storage battery 1.
• the user receives the warning notification on the portable terminal 11 that he or she carries and knows that the storage battery 1 has reached the warning temperature. Therefore, if you return to the storage battery 1 or cannot return immediately, open the lid 78 of the storage battery 1 using a remote signal from the mobile terminal 11, for example, unlock the lid 78 using an actuator (not shown). open it. By opening the lid 78, reaching the limit temperature can be avoided.
• the cooling fan 8 can be activated by a remote signal from the mobile terminal 11.
• control means 6 shuts off the battery 1a or the inverter 2 via the control board 3.
• FIG. 5 shows another example of the embodiment of the present invention, in which a storage box 7 is equipped with a tool storage partition plate 9 that partitions the interior into two upper and lower spaces A and B.
• a battery 1a In the space B below this tool compartment partition plate 9, a battery 1a, an inverter 2, a control board 3, a temperature detection sensor 4, and a control means 6 are housed.
• tools can be placed in the space A above the tool storage partition plate 9. It is desirable that the tool compartment partition plate 9 has a removable structure.
• a notch 9a that allows air to circulate is provided at least in a portion of the tool compartment partition plate 9 that faces the location where the temperature detection sensor 4 is attached (see FIG. 3).
• FIG. 2 shows another example of the embodiment of the present invention, and is an example in which the storage box 7 has a waterproof, rainproof, and dripproof structure. Terminals and the like arranged on the front side of the storage box 7 are designed to have a waterproof mechanism.
• the cooling fan 8 is arranged inside the storage box 7 from the viewpoint of waterproofing, rainproofing, and dripproofing (see FIG. 3). That is, the storage box 7 does not have a structure in which a hole is made in the wall to suck in cold air from outside. This is because if it has holes, it will not be waterproof, rainproof, or drip-proof. Of course, even in the case of the structure shown in FIG. 1 which is not waterproof, rainproof, or drip-proof, the cooling fan 8 may be provided inside the storage box 7 as shown in FIG.
• the inverter 2 can normally output up to 3000 W, but by keeping it to 1500 W, a cooling fan can be made unnecessary.
• control configuration of the present invention may be realized in software or hardware.
• the storage battery of the present invention can avoid as much as possible the situation where the battery or inverter has to be shut off during use, and is useful for charging EV cars, power tools, and when used in disasters.

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• Engineering & Computer Science (AREA)
• Manufacturing & Machinery (AREA)
• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Electrochemistry (AREA)
• General Chemical & Material Sciences (AREA)
• Automation & Control Theory (AREA)
• Secondary Cells (AREA)

Priority Applications (2)

Applications Claiming Priority (1)

Publications (1)

Family

ID=88918814

Family Applications (1)

Country Status (2)

Citations (2)

• 2022
  • 2022-05-27 WO PCT/JP2022/021767 patent/WO2023228413A1/ja not_active Ceased
  • 2022-05-27 JP JP2022553046A patent/JPWO2023228413A1/ja not_active Ceased

Patent Citations (2)

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