Energy-saving thermal battery box

Abstract

The utility model discloses an energy-saving warm-keeping battery box which comprises a battery box body and a heat storage box body, the bottom end of the battery box body is fixedly connected with the heat storage box body, the heat storage box body is filled with heat storage filler, a heat exchange tube is embedded in the heat storage box body, the two ends of the heat exchange tube extend to the outside of the heat storage box body, and the heat storage filler is filled with heat storage filler. One end of the heat exchange pipe is communicated with an air inlet nozzle, the air inlet nozzle is fixed on one side of an engine exhaust pipe and is communicated with the interior of the exhaust pipe, a valve is fixedly mounted on the heat exchange pipe, a heat conduction layer is fixedly mounted on the inner side surface of the battery box body, and a heat conduction plate is fixedly mounted at the bottom end of the heat conduction layer; a plurality of heat conducting plates are arranged and are all introduced into the heat storage filler, a cover plate for sealing the battery box body is mounted at the top end of the battery box body, and a battery pack is placed in the battery box body. According to the utility model, the heat of the battery box body is kept warm through the heat of the tail gas of the engine, and the battery box is simple in structure, energy-saving and reliable.

Description

Technical Field

[0001] The utility model relates to the technical field of battery boxes, in particular to an energy-saving and heat-preserving battery box. Background Art

[0002] With the rapid development of science and technology, new energy vehicles are also constantly improving and developing. More and more hybrid models have been sold in batches on the market, and more and more owners are using hybrid models. At present, the power batteries equipped in new energy vehicles are generally lithium batteries, and the common ones are lithium iron phosphate and ternary lithium batteries. However, when the lithium battery is in a low temperature state, the lithium ion activity of the power battery will be greatly reduced, and the viscosity of the electrolyte will increase sharply, resulting in a significant decrease in the performance of the battery. At present, battery boxes are generally used to keep the battery warm, but the insulation effect of the battery box is very limited, and it still cannot meet the needs in colder areas. Therefore, it is of great significance to improve the existing battery insulation box. Utility Model Content

[0003] The purpose of this application is to provide an energy-saving and heat-preserving battery box to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned objectives, the present application provides the following technical solutions: an energy-saving and heat-preserving battery box, comprising a battery box body and a heat storage box body, the bottom end of the battery box body being fixedly connected to the heat storage box body, the interior of the heat storage box body being filled with heat storage filler, a heat exchange tube being buried in the heat storage box body, both ends of the heat exchange tube extending to the outside of the heat storage box body, one end of the heat exchange tube being connected to an air intake nozzle, the air intake nozzle being fixed on one side of an engine exhaust pipe and connected to the interior of the exhaust pipe, a valve being fixedly installed on the heat exchange tube, a heat conductive layer being fixedly installed on the inner side surface of the battery box body, a heat conductive plate being fixedly installed on the bottom end of the heat conductive layer, a plurality of heat conductive plates being provided and all passing into the interior of the heat storage filler, a cover plate for sealing the battery box body being installed at the top end thereof, and a battery pack being placed inside the battery box body.

[0005] Preferably, a second thermal insulation layer is fixedly mounted on the inner wall of the battery box, and the second thermal insulation layer is wrapped and fixed on the outer wall of the heat conductive layer.

[0006] Preferably, a first thermal insulation layer is fixedly installed on the inner wall of the thermal storage box, and the thermal storage filler is coated inside the first thermal insulation layer.

[0007] Preferably, the cover plate is fixedly connected to the battery box body by screws, a screw rod is threadedly connected to the cover plate, a pressure plate is installed at the bottom end of the screw rod, the pressure plate is located below the cover plate, and the pressure plate and the screw rod are rotatably connected.

[0008] Preferably, a protective rubber pad is provided at the bottom end of the pressing plate, and the protective rubber pad is fixedly connected to the pressing plate.

[0009] Preferably, mounting ears are fixedly mounted on the outer side walls of the battery box and the heat storage box, and bolt mounting holes are provided on the mounting ears.

[0010] In summary, the technical effects and advantages of the utility model are:

[0011] In the utility model, the heat of the engine exhaust enters the heat exchange tube through the air intake nozzle, the heat exchange tube exchanges heat with the heat storage filler inside the heat storage box, the heat storage filler stores the heat, and at the same time the heat storage filler exchanges heat with the heat conduction plate, the heat conduction plate transfers the heat to the heat conduction layer, and the heat conduction layer keeps the inside of the battery box warm, thereby keeping the battery pack warm. The valve provided can control the air intake amount and control the shutdown of the heating and heat preservation function, thereby ensuring the reliable use of the battery and achieving energy saving at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0013] Figure 1 This is a schematic structural diagram of an energy-saving and heat-preserving battery box in an embodiment of the present application;

[0014] Figure 2 This is a schematic diagram of the partial structure of an energy-saving and heat-preserving battery box in an embodiment of the present application.

[0015] In the figure: 1. battery box; 2. heat storage box; 3. battery pack; 4. heat storage filler; 5. heat exchange tube; 6. air inlet nozzle; 7. valve; 8. first thermal insulation layer; 9. second thermal insulation layer; 10. heat conductive layer; 11. heat conductive plate; 12. cover plate; 13. screw; 14. screw; 15. pressure plate; 16. protective rubber pad; 17. mounting ear. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] In the description of the present disclosure, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present disclosure and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present disclosure. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0018] It should also be noted that the standard parts used in this application document can be purchased from the market, and can be customized according to the description in the specification and drawings. Unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, and it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in this disclosure can be understood according to the specific circumstances, and in the absence of clear limitations, machines, parts and equipment can all adopt conventional models in the prior art.

[0019] In this article, the term "comprising" is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, the elements defined by the sentence "comprising..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0020] Example: Reference Figure 1-2The energy-saving and heat-preserving battery box shown in the figure comprises a battery box body 1 and a heat storage box body 2, the bottom end of the battery box body 1 is fixedly connected to the heat storage box body 2, the interior of the heat storage box body 2 is filled with a heat storage filler 4, a heat exchange tube 5 is buried in the interior of the heat storage box body 2, both ends of the heat exchange tube 5 extend to the outside of the heat storage box body 2, one end of the heat exchange tube 5 is connected to an air intake nozzle 6, the air intake nozzle 6 is fixed to one side of the engine exhaust pipe and is connected to the inside of the exhaust pipe, a valve 7 is fixedly installed on the heat exchange tube 5, a heat conductive layer 10 is fixedly installed on the inner side of the battery box body 1, a heat conductive plate 11 is fixedly installed on the bottom end of the heat conductive layer 10, and the heat conductive plate 12 is fixedly installed on the bottom end of the heat conductive plate 11. There are several heat plates 11, all of which are connected to the interior of the heat storage filler 4. A cover plate 12 for sealing the battery box 1 is installed on the top of the battery box 1. A battery pack 3 is placed inside the battery box 1. The heat of the engine exhaust enters the heat exchange tube through the air intake nozzle. The heat exchange tube exchanges heat with the heat storage filler inside the heat storage box. The heat storage filler stores heat. At the same time, the heat storage filler exchanges heat with the heat conduction plate. The heat conduction plate transfers the heat to the heat conduction layer, and the heat conduction layer keeps the interior of the battery box warm, thereby keeping the battery pack warm. The valve provided can control the air intake and control the shutdown of the heating and heat preservation function to ensure the reliable use of the battery and achieve energy saving at the same time.

[0021] By means of the above structure: the inner wall of the battery box 1 is fixedly mounted with a second thermal insulation layer 9, and the second thermal insulation layer 9 is wrapped and fixed on the outer wall of the heat conductive layer 10, so as to achieve thermal insulation inside the battery box.

[0022] By means of the above structure: the inner wall of the heat storage box 2 is fixedly mounted with the first heat preservation layer 8, and the heat storage filler 4 is coated inside the first heat preservation layer 8, so as to achieve heat preservation inside the heat storage box.

[0023] By means of the above structure: the cover plate 12 is fixedly connected to the battery box 1 by screws 13, a screw rod 14 is threadedly connected to the cover plate 12, a pressure plate 15 is installed at the bottom end of the screw rod 14, and the pressure plate 15 is located below the cover plate 12. The pressure plate 15 and the screw rod 14 are rotatably connected, and the pressure plate can be driven to press down and tighten the battery pack by rotating the screw rod.

[0024] With the above structure, a protective rubber pad 16 is provided at the bottom end of the pressing plate 15 , and the protective rubber pad 16 and the pressing plate 15 are fixedly connected to protect the battery pack.

[0025] With the above structure, mounting ears 17 are fixedly mounted on the outer side walls of the battery box 1 and the heat storage box 2 , and bolt mounting holes are provided on the mounting ears 17 .

[0026] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An energy-saving and heat-preserving battery box, characterized in that: The invention comprises a battery box (1) and a heat storage box (2), wherein the bottom end of the battery box (1) is fixedly connected to the heat storage box (2), the interior of the heat storage box (2) is filled with a heat storage filler (4), a heat exchange tube (5) is buried inside the heat storage box (2), both ends of the heat exchange tube (5) extend to the outside of the heat storage box (2), one end of the heat exchange tube (5) is connected to an air intake nozzle (6), and the air intake nozzle (6) is fixed to one side of the exhaust pipe of the engine and is connected to the exhaust pipe. The interior of the heat exchange tube (5) is connected, a valve (7) is fixedly installed on the heat exchange tube (5), a heat conductive layer (10) is fixedly installed on the inner side of the battery box (1), a heat conductive plate (11) is fixedly installed at the bottom end of the heat conductive layer (10), a plurality of heat conductive plates (11) are provided and all pass into the interior of the heat storage filler (4), a cover plate (12) is installed at the top end of the battery box (1) to seal it, and a battery pack (3) is placed inside the battery box (1).

2. The energy-saving and heat-preserving battery box according to claim 1, characterized in that: A second thermal insulation layer (9) is fixedly mounted on the inner wall of the battery box (1), and the second thermal insulation layer (9) is wrapped and fixed on the outer wall of the heat conductive layer (10).

3. The energy-saving and heat-preserving battery box according to claim 1, characterized in that: A first heat preservation layer (8) is fixedly mounted on the inner wall of the heat storage box (2), and the heat storage filler (4) is coated inside the first heat preservation layer (8).

4. The energy-saving and heat-preserving battery box according to claim 1, characterized in that: The cover plate (12) is fixedly connected to the battery box (1) by means of screws (13); a screw rod (14) is threadedly connected to the cover plate (12); a pressure plate (15) is installed at the bottom end of the screw rod (14); the pressure plate (15) is located below the cover plate (12); and the pressure plate (15) and the screw rod (14) are rotatably connected.

5. The energy-saving and heat-preserving battery box according to claim 4, characterized in that: A protective rubber pad (16) is provided at the bottom end of the pressing plate (15), and the protective rubber pad (16) and the pressing plate (15) are fixedly connected.

6. The energy-saving and heat-preserving battery box according to claim 1, characterized in that: The outer side walls of the battery box (1) and the heat storage box (2) are both fixedly mounted with mounting ears (17), and the mounting ears (17) are provided with bolt mounting holes.

Images