TWM633468U - Charging and discharging device with active temperature control function - Google Patents

Abstract

The present invention is a charging and discharging device with an active temperature control function, which is connected with an external temperature regulating device and includes a battery chamber, a battery module, a controller and at least one temperature sensor; wherein, the battery chamber includes a accommodating space, at least one air inlet pipe and at least one air outlet pipe, the battery module is arranged in the accommodating space for charging or discharging; the controller judges the accommodating space according to the at least one temperature sensor Whether the temperature of the space is within an operating temperature range of the battery module, when the temperature of the accommodating space exceeds the operating temperature range, the controller actively controls the external thermostat to deliver cold air or warm air, and passes through the The air inlet pipe flows into the accommodating space, and then flows out through the air outlet pipe to achieve the effect of cooling or heating up the battery module.

Description

Charging and discharging device with active temperature control function

A charging and discharging device, especially a charging and discharging device with an active temperature control function.

Environmental protection and energy saving are one of the main trends in the development of science and technology in recent years. Therefore, rechargeable batteries that can be repeatedly charged and discharged are widely used in charging and discharging devices in various life and industrial fields, such as charging and discharging of electric motorcycles and electric vehicles. Discharging device, this type of charging and discharging device includes a battery pack composed of at least one rechargeable battery, and in order to meet the usage habits of general consumers and improve the convenience of use of such products, the charging efficiency and safety of rechargeable batteries are the key to this type of charging Key features that a product must both take into account and enhance. However, no matter what kind of material the rechargeable battery is made of, it has a suitable working temperature range. When the battery temperature is higher or lower than the working temperature range, it is not conducive to the charging and discharging work of the rechargeable battery.

However, the rechargeable battery will generate a lot of heat during charging/discharging, which will increase the temperature of the battery. If the heat generated is not removed in time, the temperature of the rechargeable battery will continue to rise during charging/discharging and exceed the operating temperature range. Overheating will cause the rechargeable battery to fail. Normal operation, even lead to damage to the battery, and more seriously, there is a danger of explosion and injury. On the other hand, when the charging and discharging device is placed in an environment whose temperature is far lower than its operating temperature range, the electrolyte in its rechargeable battery will condense, resulting in a significant reduction in the electrical energy capacity that the rechargeable battery can store, making the charging/discharging of the rechargeable battery The discharge efficiency is not good.

To sum up, the charging and discharging device composed of the rechargeable battery is limited by the ambient temperature. In order to make the rechargeable battery charge/discharge efficiently and at the same time ensure the safety of use and avoid overheating, the existing charging and discharging device containing the rechargeable battery must be further improved. improved.

Considering that the rechargeable battery has an operating temperature range for its normal operation, when the temperature of the battery is higher or lower than the operating temperature range, it is not conducive to the charging and discharging operation of the rechargeable battery and may even cause danger. The present invention provides a charging and discharging device with an active temperature control function, connected with an external temperature regulating device, comprising: a battery room, including: an accommodating space having at least one air inlet and at least one air outlet; at least one air inlet pipe , arranged outside the battery room and communicated with the accommodation space through the air inlet, wherein the accommodation space is communicated with the external temperature regulating device through the air inlet pipe; and at least one air outlet pipe is arranged in the battery chamber and connected to the accommodating space through the air outlet; a battery module set in the accommodating space for connecting an external charging power source to receive a charging voltage, or connecting a load to transmit a discharging voltage; at least one A temperature sensor, arranged in the accommodating space, is used to sense the temperature of the accommodating space, so as to generate at least one temperature sensing information; and a controller, corresponding to the external temperature regulating device and the at least one temperature The sensor is electrically connected to receive the at least one temperature sensing information output by the at least one temperature sensor, and generate a control signal according to the at least one temperature sensing information to control the external temperature regulating device to deliver cold air or warm air .

During charging and discharging of the battery module, the controller can judge whether the battery module is within an operating temperature range according to the at least one temperature sensor. When the battery module exceeds the operating temperature range, the controller Actively control the external temperature adjustment device to deliver cold air or warm air, the cold air or warm air flows into the storage space through the air inlet pipe, and then flows out through the air outlet pipe to achieve the effect of cooling or cooling the battery module, The temperature of the battery module can be maintained within the working temperature range to operate normally.

10: Battery room

11:Accommodating space

12: Air inlet pipe

13: Outlet pipe

14:Circulation fan

15: Exhaust fan

16:exhaust fan

20: Battery module

21: battery

210: Positive terminal

211: Negative terminal

22: Positive electrode conductive sheet

220: the first charging wire

221: the first discharge wire

23: Negative electrode conductive sheet

230: the second charging wire

231: the second discharge wire

30: Controller

40:Temperature sensor

U: first direction

W1: charging wire

W2: discharge wire

Figure 1: A three-dimensional perspective schematic diagram of the new charging and discharging device with active temperature control function.

Fig. 2: A perspective view of the separation of the power supply module in a preferred embodiment of the present invention.

Fig. 3: A schematic cross-sectional top view of the new charging and discharging device with active temperature control function.

Fig. 4: A top view cross-sectional schematic diagram of a preferred embodiment of the present invention.

Fig. 5: A partial schematic diagram of a side view of a preferred embodiment of the present invention.

In order to understand the technical characteristics and practical effects of the present invention in detail, and to realize them according to the content of the novel, hereby further take the embodiment as shown in the figure, and describe it in detail as follows: please refer to Fig. 1 and Fig. 2, the present invention is a kind of The charging and discharging device with active temperature control function is connected with an external temperature regulating device (not shown in the figure). The present invention includes a battery chamber 10, a battery module 20, a controller 30 and at least one temperature sensor 40 .

The battery chamber 10 includes an accommodating space 11, at least one air inlet pipe 12 and at least one air outlet pipe 13, the accommodating space 11 has at least one air inlet and at least one air outlet, and the air inlet pipe 12 and the air outlet The air duct 13 is arranged outside the battery chamber 10 and communicates with the accommodating space 11 through the air inlet and the air outlet respectively. 13 is used to discharge the air out of the accommodating space 11 , wherein the accommodating space 11 communicates with the external temperature regulating device through the air inlet pipe 12 . In a preferred embodiment of the present invention, the air inlet pipe 12 and the air outlet pipe 13 are respectively arranged on opposite sides of the battery chamber 10, so that the air flowing into the accommodating space 11 has a better convection effect .

The battery module 20 is set in the accommodating space 11 of the battery chamber 10, connected to an external charging power source (not shown) through a charging wire W1 to receive a charging voltage, or connected to a load through a discharging wire W2 (Fig. not shown) to deliver a discharge voltage. In a preferred embodiment of the present invention, the battery module 20 includes at least one battery 21, the battery 21 has a positive terminal 210 and a negative terminal 211, when the positive terminal 210 and the negative terminal 211 are respectively connected to the positive side of the external charging power supply The battery 21 can receive the charging voltage for charging; when the positive terminal 210 and the negative terminal 211 are respectively connected to the positive and negative terminals of the load, the battery 21 can discharge the load.

In a preferred embodiment of the present invention, the battery module 20 further includes a positive conductive sheet 22 and a negative conductive sheet 23 , and the positive connection end 210 of the battery 21 faces a first direction U. The positive conductive strip 22 is electrically connected to the positive terminal 210 of each battery 21 , and the negative conductive strip 23 is electrically connected to the negative terminal 211 of each battery 21 . The positive conductive sheet 22 and the negative conductive sheet 23 are electrically connected to the external charging power source to charge the batteries 21 , or the positive conductive sheet 22 and the negative conductive sheet 23 are electrically connected to the load to discharge the batteries 21 . In this preferred embodiment, preferably, the positive electrode conductive sheet 22 is further connected to a first charging wire 220 and a first discharge wire 221, and the negative electrode conductive sheet 23 is further connected to a second charging wire 230 and a second charging wire 230. The discharge wire 231, the first charging wire 220 and the second charging wire 230 are connected to the external charging power source for charging, and the first discharging wire 221 and the second discharging wire 231 are connected to the load for discharging.

Both the controller 30 and the at least one temperature sensor 40 are powered by the battery module 20, the controller 30 is electrically connected to the external thermostat and the at least one temperature sensor 40, and the at least one The temperature sensor 40 is disposed in the accommodating space 11 of the battery chamber 10, and is used to sense the temperature of the accommodating space 11 to generate at least one temperature sensing information, and the controller 30 receives the at least one temperature sensing information. The at least one temperature sensing information output by the device 40 and generate a control signal according to the at least one temperature sensing information to control the external temperature regulating device to deliver cold air or warm air.

The battery module 20 has an operating temperature range. The present invention can control the temperature of the battery module 20 within the operating temperature range through the controller 30. The controller 30 can preset an upper limit value and a lower limit value. , when the temperature of the battery module 20 exceeds the upper limit, it must discharge heat, when the temperature of the battery module 20 is lower than the lower limit, it must be heated, and when the temperature of the battery module 20 is between Between the upper limit and the lower limit, normal operation can be performed in an ideal state.

Please refer to FIG. 3. When the battery module 20 is charging or discharging, the battery 21 will generate a large amount of heat and the temperature of the accommodating space 11 will gradually increase. When the controller 30 senses the temperature according to the at least one The temperature sensing information of the controller 40 judges that the temperature of the accommodating space 11 is higher than the upper limit, for example, 45 (° C.), the controller 30 controls the external thermostat to deliver cold air, and the cold air passes through the air inlet pipe 12 into the accommodating space 11, and the discharged cold air is discharged through the air outlet pipe 13, and the heat energy generated by the battery 21 is taken out of the accommodating space 11 by the flow of the cold air, so that the accommodating space 11 and The temperature of the battery module 20 decreases.

When the new model is placed in a cold region, the controller 30 judges whether the temperature of the accommodating space 11 is lower than the lower limit, such as 0 (°C), according to the temperature sensing information of the at least one temperature sensor 40, The controller 30 controls the external temperature regulating device to deliver warm air, the warm air is discharged into the accommodating space 11 through the air inlet pipe 12, and the discharged warm air is discharged through the air outlet pipe 13. The flow increases the temperature of the accommodating space 11 and the battery module 20 .

Please refer to FIG. 4 , in a preferred embodiment of the present invention, the battery room 10 may further include at least one exhaust fan 15 and at least one exhaust fan 16 , the exhaust fan 15 and the exhaust fan 16 are respectively arranged in the accommodating space 11 The air inlet and the air outlet are respectively used to increase the efficiency of cold air or warm air being discharged into and out of the accommodating space 11, wherein the exhaust fan 15 and the exhaust fan 16 are respectively corresponding to the controller 30 connected and controlled by the controller 30 to activate or deactivate it. When the controller 30 controls the external temperature regulating device to discharge cold air or warm air into the accommodating space 11, it simultaneously controls the exhaust fan 15 and the exhaust fan 16 to open; when the controller 30 controls the external temperature regulating device to stop discharging Enter cold air or warm air, control this exhaust fan 15 and this exhaust fan 16 to close simultaneously.

Please refer to FIG. 5 , in a preferred embodiment of the present invention, the battery room 10 may further include at least one circulation fan 14 , and the circulation fan 14 is arranged in the accommodation space 11 for increasing the accommodation space 11 The circulation fan 14 is electrically connected with the controller 30 and controlled by the controller 30 to start or shut down the air flow efficiency. When the controller 30 controls the external thermostat to discharge cold air or warm When the air enters the accommodating space 11, the circulation fan 14 is controlled to be turned on; when the controller 30 controls the external thermostat to stop discharging cold air or warm air, the circulation fan 14 is controlled to be turned off.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Anyone in the technical field has Ordinary knowledgeable persons, without departing from the scope of the technical solution of the present invention, can use the technical content disclosed above to make some changes or modify them into equivalent embodiments with equivalent changes. Novel Technical Essence Any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the technical solutions of the present invention.

10: Battery room

11:Accommodating space

12: Air inlet pipe

13: Outlet pipe

20: Battery module

21: battery

22: Positive electrode conductive sheet

220: the first charging wire

221: the first discharge wire

230: the second charging wire

231: the second discharge wire

30: Controller

40:Temperature sensor

W1: charging wire

W2: discharge wire

Claims (8)

A charging and discharging device with an active temperature control function, connected to an external temperature regulating device, comprising: a battery compartment, containing: An accommodating space with at least one air inlet and at least one air outlet; At least one air inlet pipe is arranged outside the battery room and communicates with the accommodating space through the air inlet, wherein the accommodating space communicates with the external temperature regulating device through the air inlet pipe; and At least one air outlet pipe is arranged outside the battery chamber and communicates with the accommodating space through the air outlet; A battery module set in the accommodating space for connecting to an external charging power source to receive a charging voltage, or connecting to a load to transmit a discharging voltage; at least one temperature sensor, disposed in the accommodating space, used to sense the temperature of the accommodating space to generate at least one temperature sensing information; and A controller is electrically connected with the external temperature regulating device and the at least one temperature sensor, so as to receive the at least one temperature sensing information output by the at least one temperature sensor, and generate A control signal is used to control the external thermostat to deliver cool air or warm air. The charging and discharging device with active temperature control function as described in claim 1, wherein the battery module further includes: at least one battery, the battery has a positive connection end and a negative connection end, the positive connection end of the battery faces a first direction; a positive conductive sheet electrically connected to the positive terminals of the batteries; A negative conductive sheet is electrically connected to the negative terminals of the batteries. The charging and discharging device with active temperature control function as described in Claim 2, wherein, The positive conductive sheet is further connected with a first charging wire and a first discharging wire; The negative electrode conductive sheet is further connected with a second charging wire and a second discharging wire; Wherein, the first charging wire and the second charging wire are connected to the external charging power supply, and the first discharging wire and the second discharging wire are connected to the load. The charging and discharging device with active temperature control function as described in claim 1 or 3, wherein, the controller controls the external temperature regulating device to deliver cooler or warm air to maintain the temperature of the storage space at the battery module group within an operating temperature range. The charging and discharging device with active temperature control function as described in claim 4, wherein the controller presets an upper limit value and a lower limit value, and according to the at least one temperature sensing information of the at least one temperature sensor judging the temperature of the accommodating space; When the temperature of the accommodating space exceeds the upper limit, the controller controls the external temperature regulating device to deliver cold air to the accommodating space of the battery room; When the temperature of the accommodating space is lower than the lower limit value, the controller controls the external temperature regulating device to deliver warm air to the accommodating space of the battery room. The charging and discharging device with active temperature control function as described in Claim 1, wherein the battery chamber further includes: At least one circulation fan, the circulation fan is arranged in the accommodating space, the circulation fan is electrically connected with the controller and controlled by the controller to start or stop. The charging and discharging device with active temperature control function as described in Claim 1, wherein the battery chamber further includes: At least one exhaust fan is arranged at the air inlet of the accommodating space; At least one row of fans is arranged at the air outlet of the accommodating space; Wherein, the exhaust fan and the exhaust fan are respectively electrically connected to the controller and controlled by the controller to start or close them. The charge-discharge device with active temperature control function according to claim 1, wherein the air inlet pipe and the air outlet pipe of the battery chamber are respectively arranged on opposite sides of the battery chamber.

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