A new energy automobile battery cooling control device

Abstract

The utility model provides a new energy automobile battery cooling control device belongs to acoustic equipment technical field. It solved the existing due to the fluid dynamics characteristic, the middle branch pipe flow is significantly higher than both sides branch pipe, causes the middle battery module to cool excessively and both sides to cool the insufficient problem. The new energy automobile battery cooling control device of the utility model includes the cooling main pipe, a plurality of cooling branch pipes and control unit, both ends of cooling branch pipe are connected the cooling main pipe, and the cooling main pipe is connected circulating pump, and the cooling branch pipe is arranged at the one side of battery pack, and the cooling branch pipe is provided with electromagnetic regulating valve, and a plurality of temperature sensors are provided on the battery pack, and the temperature sensor is used for detecting battery pack temperature and passes signal to control unit, and control unit is used for adjusting electromagnetic regulating valve according to battery pack temperature. The utility model has the advantages of being able to adjust the flow of different cooling branch pipes, and the temperature of different battery packs is close.

Description

Technical Field

[0001] This utility model belongs to the field of audio equipment technology, and specifically relates to a cooling control device for new energy vehicle batteries. Background Technology

[0002] Existing power battery liquid cooling systems typically employ a structure where a single cooling main pipe branches out to multiple parallel branch pipes. Due to fluid dynamics, the flow rate in the middle branch pipe is significantly higher than that in the side branch pipes, resulting in over-cooling of the middle battery module while the sides are under-cooled. This can lead to a temperature difference of 5-8°C between the battery pack and the battery, affecting battery life and vehicle safety. Summary of the Invention

[0003] The purpose of this invention is to address the aforementioned problems in the existing technology by providing a new energy vehicle battery cooling control device.

[0004] The objective of this utility model can be achieved through the following technical solution: A cooling control device for a new energy vehicle battery, comprising a main cooling pipe, multiple cooling branch pipes, and a control unit. Both ends of the cooling branch pipes are connected to the main cooling pipe, and the main cooling pipe is connected to a circulation pump. The cooling branch pipes are located on one side of the battery pack, and an electromagnetic regulating valve is installed inside the cooling branch pipes. Multiple temperature sensors are installed on the battery pack. The temperature sensors are used to detect the battery pack temperature and transmit the signal to the control unit. The control unit is used to adjust the electromagnetic regulating valve according to the battery pack temperature.

[0005] The working principle of this utility model is as follows: The circulating pump, battery pack, and control unit are existing technologies, and this technical solution does not improve upon them. Under the action of the circulating pump, the cooling main pipe and cooling branch pipes continuously deliver the cooled coolant to the battery pack for cooling. At the same time, the temperature sensor detects the temperature of the corresponding battery pack. When the control unit receives a signal from the temperature sensor and there is a difference, such as the temperature of the battery packs on both sides being higher than that in the middle, the control unit will control the opening of the electromagnetic regulating valve corresponding to the cooling branch pipe on both sides to increase, so that more coolant can pass through the cooling branch pipe on that side, thereby lowering the temperature of the corresponding battery pack.

[0006] In the aforementioned new energy vehicle battery cooling control device, the electromagnetic regulating valve is located at the inlet of the cooling branch pipe.

[0007] In the aforementioned new energy vehicle battery cooling control device, the electromagnetic regulating valve is located at the outlet of the cooling branch pipe.

[0008] In the aforementioned new energy vehicle battery cooling control device, the valve core surface of the electromagnetic regulating valve is provided with an alumina ceramic coating.

[0009] In the aforementioned new energy vehicle battery cooling control device, the cooling branch pipe is a tapered reducing pipe.

[0010] In the aforementioned new energy vehicle battery cooling control device, a shunt or rectifier is provided between the main cooling pipe and the branch cooling pipe.

[0011] In the aforementioned new energy vehicle battery cooling control device, a first flow meter is provided at the end of the cooling main pipe near the shunt.

[0012] In the aforementioned new energy vehicle battery cooling control device, the rectifier is equipped with multiple second flow meters.

[0013] Compared with the prior art, this utility model has the advantage of being able to adjust the flow rate of different cooling branches, so that the temperature of different battery packs is similar. Attached Figure Description

[0014] Figure 1 This is a structural schematic diagram of Embodiment 1 of the present invention.

[0015] Figure 2 This is a structural schematic diagram of Embodiment 2 of this utility model.

[0016] In the diagram, 1. Cooling main pipe; 2. Cooling branch pipe; 3. Battery pack; 4. Temperature sensor; 5. Electromagnetic regulating valve; 6. Flow divider; 7. Rectifier; 8. First flow meter; 9. Second flow meter. Detailed Implementation

[0017] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0018] like Figures 1-2 As shown, this new energy vehicle battery cooling control device includes a main cooling pipe 1, multiple cooling branch pipes 2, and a control unit. Both ends of the cooling branch pipes 2 are connected to the main cooling pipe 1. The main cooling pipe 1 is connected to a circulation pump. The cooling branch pipes 2 are located on one side of the battery pack 3. An electromagnetic regulating valve 5 is installed inside the cooling branch pipes 2. Multiple temperature sensors 4 are installed on the battery pack 3. The temperature sensors 4 are used to detect the temperature of the battery pack 3 and transmit the signal to the control unit. The control unit is used to adjust the electromagnetic regulating valve 5 according to the temperature of the battery pack 3.

[0019] Example 1: The electromagnetic regulating valve 5 is installed at the inlet of the cooling branch pipe 2. Installing the electromagnetic regulating valve 5 at the inlet can accurately control the flow of coolant and facilitate maintenance and repair.

[0020] Example 2: The electromagnetic regulating valve 5 is installed at the outlet of the cooling branch pipe 2. Installing the electromagnetic regulating valve 5 at the outlet can stabilize the pressure and reduce fluid impact.

[0021] To elaborate further, the valve core surface of the electromagnetic regulating valve 5 is coated with an alumina ceramic layer, which is used to increase the insulation, corrosion resistance, and high temperature resistance of the valve core.

[0022] To elaborate further, cooling branch pipe 2 is a tapered reducing pipe, with the inlet diameter of cooling branch pipe 2 being larger than the outlet diameter. This causes the coolant flow rate to increase as the cross-sectional area decreases, enhancing the heat exchange efficiency between the coolant and the battery pack 3. At the same time, the tapered structure creates local resistance at the inlet of cooling branch pipe 2, balancing the flow distribution between parallel branches.

[0023] To elaborate further, a distributor 6 or a rectifier 7 is provided between the main cooling pipe 1 and the branch cooling pipe 2. The distributor 6 is used to connect the inlet of the main cooling pipe 1 and the branch cooling pipe 2, and the rectifier 7 is used to connect the outlet of the main cooling pipe 1 and the branch cooling pipe 2.

[0024] To elaborate further, a first flow meter 8 is installed at one end of the main cooling pipe 1 near the distributor 6. The first flow meter 8 is used to detect the specific amount of coolant entering, and the control unit controls the electromagnetic regulating valve 5 to open to the corresponding degree, so that the coolant can flow smoothly through each cooling branch pipe 2.

[0025] To elaborate further, the rectifier 7 is equipped with multiple second flow meters 9, which are used to detect the flow rate through each cooling branch pipe 2, thereby determining whether the electromagnetic regulating valve 5 is working properly.

[0026] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0027] Although this document uses a large number of technical terms, the possibility of using other terms is not excluded. These terms are used merely for the convenience of describing and explaining the essence of this invention; interpreting them as any additional limitation would contradict the spirit of this invention.

Claims

1. A new energy vehicle battery cooling control device, characterized in that, The device includes a main cooling pipe (1), multiple cooling branch pipes (2), and a control unit. Both ends of the cooling branch pipes (2) are connected to the main cooling pipe (1). The main cooling pipe (1) is connected to a circulation pump. The cooling branch pipes (2) are located on one side of the battery pack (3). An electromagnetic regulating valve (5) is installed inside the cooling branch pipes (2). Multiple temperature sensors (4) are installed on the battery pack (3). The temperature sensors (4) are used to detect the temperature of the battery pack (3) and transmit the signal to the control unit. The control unit is used to adjust the electromagnetic regulating valve (5) according to the temperature of the battery pack (3).

2. The new energy vehicle battery cooling control device according to claim 1, characterized in that, The electromagnetic regulating valve (5) is located at the inlet of the cooling branch pipe (2).

3. The new energy vehicle battery cooling control device according to claim 1, characterized in that, The electromagnetic regulating valve (5) is located at the outlet of the cooling branch pipe (2).

4. The new energy vehicle battery cooling control device according to claim 3, characterized in that, The valve core surface of the electromagnetic regulating valve (5) is provided with an alumina ceramic coating.

5. The new energy vehicle battery cooling control device according to claim 1, characterized in that, The cooling branch pipe (2) is a tapered reducing pipe.

6. The new energy vehicle battery cooling control device according to claim 5, characterized in that, A distributor (6) or rectifier (7) is provided between the main cooling pipe (1) and the branch cooling pipe (2).

7. The new energy vehicle battery cooling control device according to claim 6, characterized in that, A first flow meter (8) is provided at one end of the cooling main pipe (1) near the distributor (6).

8. A new energy vehicle battery cooling control device according to claim 6, characterized in that, The rectifier (7) is equipped with multiple second flow meters (9).

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