Temperature control end plate device for flow battery experiment

Abstract

A temperature control end plate device for a flow battery experiment relates to the technical field of flow batteries, and is improved on the basis of a common battery end plate to be designed into an S-shaped flow guide end plate with a temperature control function so as to effectively control the temperature of a battery cell and the temperature of an electrolyte. The device comprises a battery end plate which is internally provided with an S-shaped circulating liquid flow channel, and a liquid inlet and a liquid outlet of the flow channel are communicated with a temperature adjusting water tank through liquid conveying pipes. A submersible pump, a heating rod, a stirrer, a temperature sensor, a refrigeration sheet, a refrigeration fan and other components are arranged in the temperature adjusting water tank, and the heating and cooling system is controlled to work through a microcontroller so as to achieve accurate temperature adjustment. A control assembly is arranged on the front side of the box body and comprises a microcontroller, a display screen and a key panel, and a user can set and monitor the temperature in the water tank through the panel. A groove and a cover plate with heat dissipation holes are arranged on the rear side of the box body and used for fixing the refrigeration assembly and enhancing the heat dissipation effect.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid flow batteries, in particular to a temperature control end plate device for liquid flow battery experiments. Background Art

[0002] Liquid flow batteries are high-performance energy storage devices, usually composed of components such as battery end plates, bipolar plates, electrode frames, carbon felt and ion exchange membranes. Among them, the battery end plates located at both ends of the liquid flow battery are not only key components for fixing other components, but also bear the responsibility of maintaining the structural stability of the entire system. Studies have shown that temperature is an important factor affecting the performance of vanadium liquid flow batteries. For example, Yin Shengsheng, a researcher at the North China Electric Power University, pointed out in his article "Experimental Study on the Effect of Temperature on the Physical Properties of Vanadium Liquid Flow Battery Electrolyte and Single Cell Performance" that temperature changes can significantly affect the performance of vanadium liquid flow batteries. Therefore, exploring the performance of liquid flow batteries under different temperature conditions is of great significance for optimizing their working conditions and improving efficiency.

[0003] However, existing research methods and technologies have limitations in controlling the internal ambient temperature of flow batteries. In particular, precisely controlling the cell and electrolyte temperatures within the cavity formed between the bipolar plates, electrode frame, and ion exchange membrane remains a challenge. Therefore, developing a cost-effective solution that meets these temperature control requirements is crucial. Utility Model Content

[0004] In order to make up for the above-mentioned shortcomings, the utility model provides a temperature-controlled end plate device for liquid flow battery experiments, which is an S-shaped guide end plate with temperature control function, which can effectively control the battery cell temperature and electrolyte temperature at a low cost.

[0005] The utility model is realized through the following technical scheme: a temperature-controlled end plate device for liquid flow battery experiments, comprising a battery end plate, characterized in that: an S-shaped circulating liquid flow channel for liquid circulation is arranged inside the battery end plate, and a liquid inlet and a liquid outlet of the S-shaped circulating liquid flow channel are also arranged on the battery end plate, and the liquid inlet and the liquid outlet are connected to a temperature regulating water tank through an infusion pipe; the temperature regulating water tank comprises a box body, and a submersible pump, a heating rod, a stirrer and a temperature sensor are fixedly arranged inside the box body; a cooling plate and a cooling fan are fixedly arranged on the rear side of the box body; a control component is fixedly arranged on the front side of the box body; the water outlet of the submersible pump is connected to the liquid inlet through a hose; a return liquid port connected to the liquid outlet through a hose is also provided on the top of the box body; and a water inlet is also provided on the box body.

[0006] Furthermore, the control component includes a microcontroller, a display screen and a key panel.

[0007] Furthermore, a box groove is provided on the rear side of the box, and the cooling fins and the cooling fan are fixed in the box groove; a box cover for closing the box groove is also provided on the rear side of the box, and heat dissipation holes are arranged on the box cover.

[0008] Beneficial effects and features of the utility model:

[0009] The utility model realizes effective control of the battery core temperature and electrolyte temperature by designing an S-shaped circulating liquid flow channel inside the battery end plate and connecting it to an external temperature regulating water tank through a liquid inlet and a liquid outlet.

[0010] The temperature-regulating water tank houses a submersible pump, heating rod, agitator, and temperature sensor, precisely regulating the circulating fluid temperature. The microcontroller's integrated heating and cooling system control logic allows for flexible adjustment of setpoints to ensure the temperature inside the battery end plate reaches the preset target, thereby controlling the battery cell and electrolyte temperatures. The S-shaped design of the circulating fluid flow path ensures more uniform temperature distribution, improving the system's thermal stability. Furthermore, the control components located on the front of the tank (including the microcontroller, display, and keypad) allow users to intuitively monitor and adjust system status, enhancing device reliability and ease of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0012] The main parts serial number description in the figure is as follows: 1. Box body; 2. Heating rod; 3. Box body groove; 4. Refrigeration plate; 5. Refrigeration fan; 6. Box body cover; 7. Agitator; 8. Submersible pump; 9. Battery end plate; 10. Control component; 11. Water outlet; 12. Liquid inlet; 13. S-shaped circulating liquid flow channel; 14. Liquid outlet; 15. Liquid return port; 16. Temperature sensor.

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. The other drawings obtained are all within the scope of protection required by the present invention. DETAILED DESCRIPTION

[0014] The following combination Figure 1 , the contents of the utility model are described in detail through specific embodiments. Example

[0015] The temperature-controlled end plate device for the flow battery experiment includes a battery end plate 9, wherein: an S-shaped circulating liquid flow channel 13 for liquid circulation is provided inside the battery end plate for liquid circulation to regulate the temperature of the battery cell and the electrolyte; a liquid inlet 12 and a liquid outlet 14 of the S-shaped circulating liquid flow channel are also provided on the battery end plate, respectively for inputting and discharging the temperature-regulated liquid into and out of the S-shaped circulating liquid flow channel in the battery end plate, and the liquid inlet and the liquid outlet are connected to a temperature-regulating water tank through a liquid infusion tube; the temperature-regulating water tank includes a box body 1, and a submersible pump 8, a heating rod 2, a stirrer 7 and a temperature sensor 16 are fixedly provided inside the box body for heating the circulating liquid, wherein the stirrer can make the temperature of the liquid inside the box body more uniform; A cooling fin 4 and a cooling fan 8 are fixedly installed on the rear side of the box to realize the cooling of the circulating liquid; a control component 10 is fixedly installed on the front side of the box, and the control component includes a microcontroller, a display screen and a key panel, wherein a microcontroller (such as a PLC or Arduino) is used to integrate the control logic of the heating and cooling system, and the display screen is used to display the current water temperature and the set temperature, and the user can adjust the set value through the key panel; the water outlet of the submersible pump is connected to the liquid inlet through a hose; a return liquid port 15 connected to the liquid outlet through a hose is also provided on the top of the box, which is used to reintroduce the liquid discharged from the battery end plate into the temperature regulating water tank for recycling; a water inlet is also provided on the box for injecting liquid into the box.

[0016] In order to increase the aesthetics and prevent damage from bumps, a box groove is provided on the rear side of the box, and the cooling fins and the cooling fan are fixed in the box groove; a box cover for closing the box groove is also provided on the rear side of the box, and heat dissipation holes are arranged on the box cover.

[0017] Working principle of the utility model

[0018] A temperature sensor monitors the temperature of the liquid within the tank and transmits a signal to the control unit's microcontroller. The control unit activates the heating rods or cooling plates based on the set temperature and uses a submersible pump to pump the temperature-regulated liquid into the S-shaped circulating fluid flow path of the battery end plate. This changes the temperature within the battery end plate based on the liquid's temperature, thereby regulating the battery cell and electrolyte temperatures. After passing through the battery end plate, the liquid returns to the temperature-regulated water tank through the liquid outlet and return port, continuing its circulation.

Claims

1. A temperature-controlled end plate device for flow battery experiments, comprising a battery end plate, characterized in that: An S-shaped circulating liquid flow channel for liquid circulation is provided inside the battery end plate, and a liquid inlet and a liquid outlet of the S-shaped circulating liquid flow channel are also provided on the battery end plate, and the liquid inlet and the liquid outlet are connected to the temperature regulating water tank through an infusion pipe; the temperature regulating water tank includes a box body, and a submersible pump, a heating rod, a stirrer and a temperature sensor are fixedly provided inside the box body; a cooling plate and a cooling fan are fixedly provided on the rear side of the box body; a control component is fixedly provided on the front side of the box body; the water outlet of the submersible pump is connected to the liquid inlet through a hose; a return liquid port connected to the liquid outlet through a hose is also provided on the top of the box body; and a water inlet is also provided on the box body.

2. The temperature-controlled end plate device for flow battery experiments according to claim 1, characterized in that: The control component includes a microcontroller, a display screen and a key panel.

3. The temperature-controlled end plate device for flow battery experiments according to claim 1, characterized in that: A box groove is provided on the rear side of the box body, and the cooling fins and the cooling fan are fixed in the box groove; a box cover for closing the box groove is also provided on the rear side of the box body, and heat dissipation holes are arranged on the box cover.

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