Heating structure of automobile battery

Abstract

The utility model relates to a heating structure of an automobile battery, which comprises a shell, a battery pack is arranged in the shell, a heat conducting plate is fixedly mounted at the upper end of the battery pack, a water tank is arranged in the heat conducting plate, the heat conducting plate is communicated with a water outlet penetrating through the shell, the heat conducting plate is communicated with a water inlet penetrating through the shell, and a water pump is fixedly mounted at the outer end of the shell. The water outlet and the water pump are jointly communicated with a first water pipe, the first water pipe is communicated with a heating water pipe, a heating tank is fixedly installed at the outer end of the shell, the heating water pipe is communicated with the heating tank, and a second water pipe is communicated between the heating water pipe and the water inlet after the heating water pipe penetrates out of the heating tank. By arranging the heating tank, water is heated and then is released through the heat conducting plate, so that the battery pack is heated, and the performance of the battery pack is prevented from being influenced by supercooling.

Description

Technical Field

[0001] This utility model belongs to the field of battery thermal management technology, specifically relating to a heating structure for automotive batteries. Background Technology

[0002] Automotive battery thermal management is a technology that manages and controls the temperature of automotive power batteries. It aims to ensure that the battery operates within the optimal temperature range. Through proper design, the heat generated by the battery can be dissipated in a timely manner or kept within a suitable temperature range, thereby avoiding overheating or overcooling of the battery.

[0003] Car batteries are affected by both overheating and overcooling, with overheating being more common. Therefore, current car battery thermal management focuses on cooling the battery. Not only does the battery pack need additional cooling devices, but the car casing also undergoes structural adjustments to allow for airflow and ensure that the internal high temperature can be dissipated. However, existing battery casings often overlook the problems caused by overcooling the battery in cold weather. When the battery is overcooled, it can lead to increased internal resistance, reduced material activity, and slower chemical reaction rates. Specifically, this manifests as reduced driving range, slower charging speed, and even more difficulty starting the car. Utility Model Content

[0004] The purpose of this invention is to provide a heating structure for automotive batteries to solve the problems existing in the prior art.

[0005] To achieve the above technical objectives, the present invention adopts the following technical solution: a heating structure for an automotive battery, comprising a housing, a battery pack disposed inside the housing, a heat-conducting plate fixedly mounted on the upper end of the battery pack, a water tank formed inside the heat-conducting plate, an outlet extending through the housing, an inlet extending through the housing, a water pump fixedly mounted on the outer end of the housing, a first water pipe connected to the outlet and the water pump, a heating water pipe connected to the first water pipe, a heating tank fixedly mounted on the outer end of the housing, the heating water pipe connected to the heating tank, and a second water pipe connected between the heating water pipe extending through the heating tank and the inlet. The heat-conducting plate is used to absorb and release heat, thereby changing the temperature of the battery pack. The heating tank is used to heat the water, which then flows through the heat-conducting plate and is released, thereby heating the battery pack and preventing the battery pack from being affected by overcooling.

[0006] A three-way valve connects the first water pipe to the heating water pipe. The other outlet of the three-way valve connects to a heat dissipation mechanism. The heat dissipation mechanism includes a radiator shell, which is fixedly installed on the upper end of the housing. Several heat dissipation fins are fixedly installed inside the radiator shell. A cooling fan is fixedly installed on the upper end of the radiator shell. The three-way valve connects to a cooling water pipe, which passes through the heat dissipation fins and then connects to the second water pipe. The heat dissipation mechanism is used to lower the water temperature, allowing the water to be absorbed by the heat-conducting plate, thereby cooling the battery pack and preventing overheating from affecting its performance. The three-way valve is used to direct water from the first water pipe into the heating tank or the heat dissipation mechanism according to the battery pack's temperature, thereby raising or lowering the battery pack's temperature.

[0007] Both the heating water pipe and the cooling water pipe are equipped with a one-way valve before they connect to the second water pipe. The one-way valve is used to ensure that water can only enter the second water pipe and avoid entering the wrong water pipe.

[0008] Ventilation slots are provided at both the front and rear ends of the radiator housing. These ventilation slots allow the airflow blown in by the cooling fan to dissipate, ensuring unobstructed airflow and improving heat dissipation performance.

[0009] The cooling water pipes meander within several of the heat dissipation fins, a design intended to extend the distance the cooling water pipes travel across the heat dissipation fins and improve heat dissipation performance.

[0010] The portion of the cooling water pipe located inside the heat dissipation fins is made of copper, which has excellent thermal conductivity, thereby improving heat dissipation performance.

[0011] The water trough meanders inside the heat-conducting plate, a design intended to extend the distance the water travels through the plate and improve heat transfer efficiency.

[0012] The beneficial effects of this utility model are:

[0013] The water temperature is raised by setting up the heating tank and the heating water pipe, and the heat is transferred to the battery pack through the heat conduction plate to prevent the battery pack from being affected by excessive cold. The water temperature is lowered by setting up the heat dissipation mechanism, and the heat is absorbed by the battery pack through the heat conduction plate to prevent the battery pack from overheating. The water flow is directed to the heating water pipe or the cooling water pipe according to the temperature of the battery pack, thereby switching between heating and cooling the battery pack, and thus realizing thermal management of the battery pack. Attached Figure Description

[0014] This utility model can be further illustrated by the non-limiting embodiments given in the accompanying drawings.

[0015] Figure 1This is a schematic diagram of the heating structure of an automotive battery according to the present invention.

[0016] Figure 2 This is a right-side view of a heating structure for an automotive battery according to the present invention.

[0017] Figure 3 This is a cross-sectional schematic diagram of a heating structure for an automotive battery according to the present invention. Figure 1 ;

[0018] Figure 4 This is a cross-sectional schematic diagram of a heating structure for an automotive battery according to the present invention. Figure 2 .

[0019] The symbols for the main components are as follows: housing 100, battery pack 101, heat conduction plate 102, water tank 103, water outlet 104, water inlet 105, water pump 106, first water pipe 107, heating water pipe 108, heating tank 109, second water pipe 110, three-way valve 200, radiator shell 201, heat dissipation fins 202, cooling fan 203, cooling water pipe 204, one-way valve 301, ventilation slot 302. Detailed Implementation

[0020] To enable those skilled in the art to better understand this utility model, the technical solution of this utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0021] Example 1:

[0022] like Figure 1-4 As shown, a heating structure for an automotive battery includes a housing 100, inside which a battery pack 101 is housed. A heat-conducting plate 102 is fixedly mounted on the upper end of the battery pack 101. A water tank 103 is formed inside the heat-conducting plate 102. The heat-conducting plate 102 is connected to a water outlet 104 that penetrates through the housing 100, and a water inlet 105 that penetrates through the housing 100. A water pump 106 is fixedly mounted on the outer end of the housing 100. The water outlet 104 and the water pump are connected to a first water pipe 107. A heating water pipe 108 is connected to the outer end of the housing 100. A heating tank 109 is fixedly installed on the outer end of the housing 100. The heating water pipe 108 is connected to the heating tank 109. After the heating water pipe 108 passes through the heating tank 109, a second water pipe 110 is connected between it and the water inlet 105. The heat-conducting plate 102 is used to absorb and release temperature, thereby changing the temperature of the battery pack 101. The heating tank 109 is used to heat the water, which then flows through the heat-conducting plate 102 and is released, thereby heating the battery pack 101 and preventing the battery pack 101 from being affected by overcooling.

[0023] A three-way valve 200 connects the first water pipe 107 and the heating water pipe 108. The other outlet of the three-way valve 200 is connected to a heat dissipation mechanism. The heat dissipation mechanism includes a radiator shell 201, which is fixedly installed on the upper end of the housing 100. Several heat dissipation fins 202 are fixedly installed inside the radiator shell 201. A cooling fan 203 is fixedly installed on the upper end of the radiator shell 201. The three-way valve 200 is connected to a cooling water pipe 204, which passes through several heat dissipation fins 202 and then connects to the second water pipe 110. The heat dissipation mechanism is used to lower the water temperature and absorb the heat after flowing through the heat conduction plate 102, thereby cooling the battery pack 101 and preventing the battery pack 101 from being affected by overheating. The three-way valve 200 is used to introduce water from the first water pipe 107 into the heating tank 109 or the heat dissipation mechanism according to the temperature of the battery pack 200, thereby raising or lowering the temperature of the battery pack 200.

[0024] Both the heating water pipe 108 and the cooling water pipe 204 are equipped with a one-way valve 301 before they connect to the second water pipe 110. The one-way valve 301 is used to ensure that the water flow can only enter the second water pipe 110 and avoid entering the wrong water pipe.

[0025] Ventilation slots 302 are provided at both the front and rear ends of the radiator housing. The ventilation slots 302 are used to allow the airflow blown in by the cooling fan 203 to dissipate, so as to keep the airflow unobstructed and improve the heat dissipation performance.

[0026] Cooling water pipes 204 meander within several heat dissipation fins 202. This design extends the distance the cooling water pipes 204 travel through the heat dissipation fins 202, thereby improving heat dissipation performance.

[0027] The portion of the cooling water pipe 204 located inside the heat dissipation fins 202 is made of copper. Copper pipes have good thermal conductivity, thereby improving heat dissipation performance.

[0028] The water tank 103 is meandering inside the heat-conducting plate 102. This design is intended to extend the distance the water flows through the heat-conducting plate 102 and improve the efficiency of heat transfer.

[0029] In this embodiment, during use: the battery pack 101 transfers heat to the heat-conducting plate 102, which in turn transfers heat to the internal water. The water pump 106 is activated, initiating water circulation. The pump draws water from the outlet 104 of the heat-conducting plate 102 and then transmits it through the first water pipe 107 to the three-way valve 200. The flow is selected based on the temperature of the battery pack 101. When the temperature of the battery pack 101 is too low, the three-way valve 200 guides the water flow into the heating water pipe 108, where it is heated through the heating tank 109, resulting in high-temperature water flowing from the heating tank. Hot water flows out through pipe 108; when the battery pack 101 is too hot, the three-way valve 200 will guide water into the cooling water pipe 204, the cooling water pipe 204 will transfer the temperature to the heat sink fins 202, the cooling fan 203 will start, blowing air across the heat sink fins 202, carrying away the heat in the heat sink fins 202, so that the low temperature water flows out from the cooling water pipe 204. After the water has completed the heating or cooling, the water flows into the second water pipe 110 and flows back to the heat sink 102 from the inlet 104 of the heat sink 102, and then transfers heat to the heat sink 102 through the heat sink 102.

[0030] In this embodiment, the water temperature is raised by setting up a heating tank 109 and a heating water pipe 108, and the heat is transferred to the battery pack 101 through a heat conduction plate 102 to prevent the battery pack 101 from being affected by excessive cold. The water temperature is lowered by setting up a heat dissipation mechanism, and the heat is absorbed by the heat conduction plate 102 to prevent the battery pack 101 from overheating. A three-way valve 200 is set up to guide the water flow into the heating water pipe 108 or the cooling water pipe 204 according to the temperature of the battery pack, thereby switching between heating or cooling the battery pack 101, and thus realizing thermal management of the battery pack 101.

[0031] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A heating structure for an automotive battery, comprising a housing, wherein a battery pack is disposed inside the housing, characterized in that: A heat-conducting plate is fixedly installed on the upper end of the battery pack. A water tank is opened inside the heat-conducting plate. The heat-conducting plate is connected to a water outlet that extends through the housing. The heat-conducting plate is also connected to a water inlet that extends through the housing. A water pump is fixedly installed on the outer end of the housing. The water outlet and the water pump are connected to a first water pipe. The first water pipe is connected to a heating water pipe. A heating tank is fixedly installed on the outer end of the housing. The heating water pipe is connected to the heating tank. After the heating water pipe extends through the heating tank, it is connected to a second water pipe between itself and the water inlet.

2. The heating structure for an automotive battery according to claim 1, characterized in that: A three-way valve is connected between the first water pipe and the heating water pipe. The other outlet of the three-way valve is connected to a heat dissipation mechanism. The heat dissipation mechanism includes a radiator shell, which is fixedly installed on the upper end of the housing. Several heat dissipation fins are fixedly installed inside the radiator shell. A cooling fan is fixedly installed on the upper end of the radiator shell. The three-way valve is connected to a cooling water pipe, which passes through several of the heat dissipation fins and then connects to the second water pipe.

3. The heating structure for an automotive battery according to claim 2, characterized in that: Both the heating water pipe and the cooling water pipe are equipped with a one-way valve before they connect to the second water pipe.

4. The heating structure for an automotive battery according to claim 2, characterized in that: Ventilation slots are provided at both the front and rear ends of the radiator housing.

5. The heating structure for an automotive battery according to claim 2, characterized in that: The cooling water pipes are meandering within several of the heat dissipation fins.

6. The heating structure for an automotive battery according to claim 3, characterized in that: The portion of the cooling water pipe located inside the heat dissipation fins is made of copper.

7. The heating structure for an automotive battery according to claim 1, characterized in that: The water tank is distributed in a meandering pattern inside the heat-conducting plate.

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