CN219144277U - A combined energy storage battery - Google Patents

Abstract

The utility model discloses a combined energy storage battery, relates to the technical field of energy storage batteries, and aims to solve the problems that the existing energy storage battery does not have a combined cooling structure, natural cooling is needed through an air vent after the working temperature of the internal temperature is too high, the efficiency of the whole cooling process is reduced, and the service life of the energy storage battery is easily influenced due to the fact that the cooling efficiency is too low. A combined cooling box is fixedly arranged on one side of the energy storage battery body through a screw, and a cooling cavity is fixedly arranged below the energy storage battery body through the screw; further comprises: the liquid storage tank is fixedly arranged above the inside of the combined cooling tank through screws, the lower end of the liquid storage tank is fixedly provided with a liquid inlet pipe through screws, one side of the liquid inlet pipe is fixedly provided with a liquid outlet pipe through screws, and a U-shaped heat conduction copper pipe is arranged between the liquid inlet pipe and the liquid outlet pipe through a flange. The outer walls of the liquid inlet pipe and the liquid outlet pipe are fixedly provided with control valves through screws, and a temperature sensor is arranged in the electrolyte tank.

Description

A combined energy storage battery

technical field

The utility model relates to the technical field of energy storage batteries, in particular to a combined energy storage battery.

Background technique

Energy storage batteries mainly refer to batteries used in solar power generation equipment, wind power generation equipment and renewable energy storage energy; the reference temperature for the rated capacity of energy storage batteries is 25°C and 20°C. The capacity of the battery is closely related to the surrounding temperature. When the temperature is high, the electrochemical reaction of the energy storage battery is accelerated, the electrolyte evaporates quickly, the plates are easily damaged, and at the same time, overcharging is easy to occur, which seriously affects the service life of the energy storage battery. .

However, the existing energy storage battery does not have a combined cooling structure, which leads to the need for natural cooling through vent holes after the internal temperature is too high, which reduces the efficiency of the entire cooling process, and is likely to affect the service life of the energy storage battery due to the slow cooling efficiency ; Therefore, it does not meet the existing needs, and we propose a combined energy storage battery.

Utility model content

The purpose of this utility model is to provide a combined energy storage battery to solve the problem that the existing energy storage battery proposed in the above background technology does not have a combined cooling structure, which causes the internal temperature to be naturally cooled through air holes after the working temperature is too high. The efficiency of the entire cooling process is reduced, and it is easy to affect the service life of the energy storage battery due to the slow cooling efficiency.

In order to achieve the above purpose, the utility model provides the following technical solutions: a combined energy storage battery, comprising: an energy storage battery body, one side of the energy storage battery body is fixed with a combined cooling box by screws, and the energy storage battery The bottom of the battery body is fixed with a cooling chamber by screws;

Also includes:

The liquid storage tank is fixed and installed above the inside of the combined cooling box by screws, the lower end of the liquid storage tank is fixed with a liquid inlet pipe by screws, and one side of the liquid inlet pipe is fixed with a liquid outlet by screws A U-shaped heat-conducting copper pipe is installed between the liquid inlet pipe and the liquid outlet pipe through a flange.

Preferably, both the liquid inlet pipe and the liquid outlet pipe are fixed with control valves by screws, and a temperature sensor is arranged inside the electrolyte tank, and the output end of the temperature sensor is electrically connected to the input end of the control valve.

Preferably, one side of the liquid storage tank is integrally provided with a plurality of heat dissipation fins, and one side of the heat dissipation fins is fixed with a heat dissipation mechanism by screws.

Preferably, the inside of the heat dissipation mechanism is fixed with a cooling fan through screws, and both ends of the cooling fan are fixed with dust-proof nets through screws.

Preferably, a mounting frame is fixedly installed above the liquid storage tank by screws, and the mounting frame is fixedly installed with the combined cooling box.

Preferably, the side wall of the combined cooling box is detachably fixed with an access panel.

Preferably, the inside of the energy storage battery body is provided with three electrolyte tanks, a separator plate is integrally provided between the electrolyte tanks, the inside of the electrolyte tank is provided with a pole plate, and the energy storage battery body Both sides of the upper outer wall are provided with negative poles and positive poles for connecting the pole plates.

Compared with the prior art, the beneficial effects of the utility model are:

1. The utility model uses the liquid storage tank to pre-store the cooling liquid. When the temperature of the energy storage battery is too high, the liquid inlet pipe is used to transport the liquid to the cooling chamber, and a U-shaped heat-conducting copper pipe is arranged in the cooling chamber. Through the cooling liquid and The U-shaped heat-conducting copper tube exchanges heat with the upper electrolyte tank to reduce the temperature inside the energy storage battery, and the internal cooling fluid heated up by the heat exchange is sent from the liquid outlet pipe to the liquid storage tank for heat dissipation and cooling. To achieve the effect of heat dissipation circulation, the combined cooling box is fixed on the outside of the energy storage battery body by means of bolts, so that the energy storage battery has a cooling function, and will not affect the normal operation of the energy storage battery. When the temperature is too high, through The combined cooling box improves the cooling efficiency, so as to avoid the problem that the service life of the energy storage battery is reduced due to excessive temperature and slow cooling efficiency.

2. The temperature sensor is used to detect the internal temperature. When the temperature is higher than the set value, it transmits a signal to the control valve. The control valve receives the signal and opens the liquid inlet and outlet pipes for cooling operation. When the energy storage battery is at a normal temperature, the control valve is in a closed state to prevent the cooling temperature from being too low and affecting the normal operation of the energy storage battery.

3. The heat dissipation fins are installed on the side close to the heat dissipation mechanism. Several heat dissipation fins can radiate the temperature in the liquid storage tank to the outside, so as to reduce the temperature of the coolant in the liquid storage tank and ensure that the cooling liquid can perform normal cooling operation. On the basis of the heat exchange of the cooling fins, the cooling fan is used to speed up the gas flow, so that the cooling fins can quickly cool down, thereby improving the cooling efficiency. , At the same time, the dust-proof net can also block impurities and dust, reduce the amount of impurities entering, and achieve the effect of protecting the fan and internal components.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a schematic diagram of the partial structure of the energy storage battery and the combined cooling box of the present invention;

Fig. 3 is a partial structural schematic diagram of the heat dissipation mechanism of the present invention;

Fig. 4 is a schematic diagram of the partial structure of the cooling chamber of the present invention;

In the figure: 1. Energy storage battery body; 2. Negative pole; 3. Positive pole; 4. Cooling chamber; 5. Combined cooling box; 6. Inspection panel; 7. Heat dissipation mechanism; 8. Electrolyte tank; Partition; 10. Temperature sensor; 11. Liquid storage tank; 12. Mounting frame; 13. Cooling fins; 14. Liquid inlet pipe; 15. Liquid outlet pipe; 16. Control valve; 17. Dust-proof net; 18. Cooling fan; 19, flange; 20, U-shaped heat-conducting copper tube; 21, pole plate.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Please refer to Figures 1-4, an embodiment provided by the utility model: a combined energy storage battery, including: an energy storage battery body 1, and a combined cooling box 5 is fixed on one side of the energy storage battery body 1 by screws , the lower part of the energy storage battery body 1 is fixed with a cooling chamber 4 by screws;

Also includes:

The liquid storage tank 11 is fixedly installed above the inside of the combined cooling box 5 by screws, the lower end of the liquid storage tank 11 is fixed with a liquid inlet pipe 14 by screws, and one side of the liquid inlet pipe 14 is fixed with a liquid outlet pipe by screws 15. A U-shaped heat-conducting copper pipe 20 is installed between the liquid inlet pipe 14 and the liquid outlet pipe 15 . Specifically, the two ends of the U-shaped heat-conducting copper pipe 20 communicate with the liquid inlet pipe 14 and the liquid outlet pipe 15 respectively through the flange 19 .

Please refer to Fig. 2, the liquid inlet pipe 14 and the liquid outlet pipe 15 are all fixedly installed with a control valve 16 by screws, the inside of the electrolyte tank 8 is provided with a temperature sensor 10, and the output end of the temperature sensor 10 is electrically connected to the input end of the control valve 16. sexual connection. The temperature sensor 10 is used to detect the internal temperature. When the temperature is higher than the set value, it transmits a signal to the control valve 16; after the control valve 16 receives the signal, it opens the liquid inlet pipe 14 and the liquid outlet pipe 15 to cool down Cooling operation. When the energy storage battery is at a normal temperature, the control valve 16 is in a closed state to prevent the cooling temperature from being too low and affecting the normal operation of the energy storage battery.

Please refer to Fig. 2 and Fig. 3, one side of the liquid storage tank 11 is integrally provided with a plurality of heat dissipation fins 13, and one side of the heat dissipation fins 13 is fixed with a heat dissipation mechanism 7 by screws, and the heat dissipation fins 13 are installed near the heat dissipation mechanism 7. On one side, several heat dissipation fins 13 can radiate the temperature in the liquid storage tank 11 to the outside, so as to reduce the temperature of the coolant in the liquid storage tank 11 and ensure that the cooling liquid can normally perform cooling operation.

Please refer to Fig. 1-3, the interior of the heat dissipation mechanism 7 is fixed with a cooling fan 18 by screws, and the two ends of the cooling fan 18 are fixed with dust-proof nets 17 by screws. On the basis of the heat exchange of the cooling fins 13, The gas flow is accelerated by the heat dissipation fan 18, so that the heat dissipation fins 13 can be cooled quickly, and the cooling efficiency is improved. 17 can also block impurities and dust, reduce the amount of impurities entering, and achieve the effect of protecting the fan and internal components.

Referring to Fig. 2, the top of the liquid storage tank 11 is fixedly installed with a mounting frame 12 by screws, and the mounting frame 12 is fixedly installed with the inner wall of the combined cooling box 5, so that the top of the liquid storage tank 11 is fixedly installed on the combined cooling box 5, ensuring The stability of the installation.

Please refer to Figure 1, the side wall of the combined cooling box 5 is detachably fixed with an access plate 6 by screws, the access plate 6 is convenient for the user to regularly replace the coolant at the liquid storage tank 11, or replace the entire liquid storage tank 11, which is convenient for the user. Troubleshooting operations.

Please refer to Fig. 1 and Fig. 2, three electrolyte tanks 8 are arranged inside the energy storage battery body 1, and a separator plate 9 is integrally arranged between the electrolyte tanks 8, and a pole plate 21 is arranged inside the electrolyte tank 8, and the storage battery Both sides of the upper outer wall of the energy battery body 1 are provided with a negative pole 2 and a positive pole 3 for connecting the plate 21. The above structures are all conventional components of the energy storage battery in the field, and have the effect of directly converting chemical energy into electrical energy. Therefore, no more details.

Working principle: when in use, by using the liquid storage tank 11 to pre-store the cooling liquid, when the temperature of the energy storage battery is too high, the liquid inlet pipe 14 is used to transport the liquid into the cooling chamber 4, and the cooling chamber 4 is provided with U-shaped heat-conducting copper The tube 20 exchanges heat with the electrolyte tank 8 above through the cooling liquid and the U-shaped heat-conducting copper tube 20, so that the temperature in the energy storage battery is lowered, and the internal cooling liquid that is heated up by the heat exchange is sent again from the liquid outlet tube 15. into the liquid storage tank 11 for heat dissipation and cooling to achieve the effect of heat dissipation circulation. The combined cooling box 5 is fixed on the outside of the energy storage battery body 1 by means of bolts, so that the energy storage battery has a cooling function without affecting the energy storage. The internal operation of the battery is normal. When the temperature is too high, the cooling efficiency can be improved by combining the cooling box 5, so as to avoid the problem of the service life of the energy storage battery caused by the temperature being too high and the cooling efficiency being too slow. The temperature sensor 10 is used for It has the effect of detecting the internal temperature. When the temperature is higher than the set value, it transmits a signal to the control valve 16, and the control valve 16 receives the signal, opens the liquid inlet pipe 14 and the liquid outlet pipe 15 to perform cooling and cooling operations. When the battery is at a normal temperature, the control valve 16 is in a closed state to prevent the cooling temperature from being too low and affect the normal operation of the energy storage battery. The heat dissipation fins 13 are installed on the side close to the heat dissipation mechanism 7. Several heat dissipation fins 13 can store liquid The temperature in the tank 11 is diffused to the outside, so that the temperature of the coolant in the liquid storage tank 11 is lowered to ensure that the coolant can be cooled normally. The heat dissipation fins 13 can quickly cool down, thereby improving the cooling efficiency. When the heat dissipation fan 18 is turned off, the dust-proof net 17 can supply air in and out for natural ventilation and heat dissipation. At the same time, the dust-proof net 17 can also block impurities and dust, reducing impurities The amount of ingress can achieve the effect of protecting the fan and internal components.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The combined energy storage battery comprises an energy storage battery body (1), wherein a combined cooling box (5) is fixedly arranged on one side of the energy storage battery body (1) through a screw, and a cooling cavity (4) is fixedly arranged below the energy storage battery body (1) through the screw;

the method is characterized in that: further comprises:

the liquid storage tank (11) is fixedly arranged above the inside of the combined cooling tank (5) through screws, a liquid inlet pipe (14) is fixedly arranged at the lower end of the liquid storage tank (11) through screws, a liquid outlet pipe (15) is fixedly arranged at one side of the liquid inlet pipe (14) through screws, and a U-shaped heat conduction copper pipe (20) is arranged between the liquid inlet pipe (14) and the liquid outlet pipe (15) through a flange (19).

2. A modular energy storage battery as defined in claim 1, wherein: the electrolyte tank is characterized in that the liquid inlet pipe (14) and the liquid outlet pipe (15) are fixedly provided with a control valve (16) through screws, a temperature sensor (10) is arranged in the electrolyte tank (8), and the output end of the temperature sensor (10) is electrically connected with the input end of the control valve (16).

3. A modular energy storage battery as defined in claim 1, wherein: a plurality of radiating fins (13) are integrally arranged on one side of the liquid storage tank (11), and a radiating mechanism (7) is fixedly arranged on one side of each radiating fin (13) through screws.

4. A modular energy storage battery as in claim 3, wherein: a cooling fan (18) is fixedly arranged in the cooling mechanism (7) through screws, and dustproof nets (17) are fixedly arranged at two ends of the cooling fan (18) through screws.

5. A modular energy storage battery as defined in claim 1, wherein: the upper part of the liquid storage tank (11) is fixedly provided with a mounting frame (12) through a screw, and the mounting frame (12) is fixedly provided with the combined cooling tank (5).

6. A modular energy storage battery as defined in claim 1, wherein: the side wall of the combined cooling box (5) is detachably and fixedly provided with an access board (6).

7. A modular energy storage battery as defined in claim 1, wherein: the novel energy storage battery is characterized in that three electrolyte tanks (8) are arranged in the energy storage battery body (1), a separation plate (9) is integrally arranged between the electrolyte tanks (8), pole plates (21) are arranged in the electrolyte tanks (8), and negative pole columns (2) and positive pole columns (3) used for connecting the pole plates (21) are arranged on two sides of the outer wall above the energy storage battery body (1).

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