New energy automobile battery thermal management flexible pipeline

By installing insulation, fireproofing, and protective components on the outer surface of the thermal management system pipes in new energy vehicle batteries, the problems of reduced pipe thermal efficiency and safety hazards have been solved, achieving more efficient temperature control and extending service life.

CN223638437UActive Publication Date: 2025-12-05XINJIANG JIAOTONG VOCATIONAL & TECHNICAL UNIVERSITY
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Patent Information

Application Number
CN202423081988.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-12-05
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

The existing thermal management system for new energy vehicle batteries lacks effective protection for its piping, resulting in reduced thermal efficiency, increased mechanical damage, accelerated aging, and increased safety hazards.

Method used

Insulation components, fireproof components, and protective components are installed on the outer surface of the pipeline, which are composed of closed-cell foam insulation sleeve, ceramic fiber layer and rubber sleeve respectively, to enhance the insulation, fireproof and protective performance.

Benefits of technology

It improves the insulation effect of the pipeline, prevents flame damage, reduces coolant leakage, protects the pipeline from corrosion and vibration damage, and extends its service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a new energy automobile battery heat management flexible pipeline, which relates to the technical field of new energy, and comprises a pipeline, the outer surface of the pipeline is sleeved with a heat preservation component, the heat preservation component is used for heat preservation of the pipeline, and the outer surface of the heat preservation component is provided with a fireproof component. The fireproof component is used for improving the fireproof effect of the pipeline, the outer surface of the fireproof component is sleeved with the protection component, the protection component is used for protecting the pipeline on the outer surface, and the front portion and the rear portion of the outer surface of the protection component are movably sleeved with a first fixing sleeve and a second fixing sleeve correspondingly. Fixing plates are mounted on the lower portions of the outer surfaces of the first fixing sleeve and the second fixing sleeve correspondingly, and mounting holes are formed in the fixing plates. By arranging the heat preservation component, the heat preservation effect of the pipeline can be improved, heat energy waste is avoided, the battery is kept within an ideal temperature range, temperature control efficiency is improved, and energy consumption is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to new energy technology field especially relates to a new energy automobile battery heat management flexible pipeline. BACKGROUND

[0002] New energy automobile battery heat management system (BTMS) is the key system for adjusting power battery temperature, and through cooling and heating means, keeps the battery in the ideal temperature range (usually 15 DEG C to 35 DEG C) work. Common techniques include liquid cooling, air cooling, thermoelectric cooling and phase change material cooling. Effective heat management can prevent battery overheating or overcooling, avoid thermal runaway, prolong battery life, and improve the safety and performance of the vehicle.

[0003] The prior art (announcement number: CN 215522415 U) discloses a bent pipe type pipeline structure for battery heat management, which comprises a bent pipe, one end of the bent pipe is connected with an inlet and outlet water joint, the other end of the bent pipe is connected with a linkage joint, the linkage joint is connected with a locking assembly, the linkage joint comprises a joint ring, an expanded ring, a rotary ring head and a ring seat, the joint ring is sleeved on the one end port of the bent pipe, the expanded ring is welded on the outer peripheral surface of the joint ring, one end of the rotary ring head is fixed on the bottom peripheral surface of the expanded ring.

[0004] Although the above-mentioned patent can effectively reduce the leakage point of the liquid cooling system, and simultaneously integrates the inlet and outlet water joints on the liquid cooling system to realize integrated design, it still has the following disadvantages: when in use, the outer surface of the pipeline lacks certain protection, which can cause the heat efficiency of the pipeline to decrease, mechanical damage to intensify, aging to accelerate and safety hazards to increase, and further improvement is needed, and therefore a new energy automobile battery heat management flexible pipeline is proposed. UTILITY MODEL CONTENT

[0005] The main purpose of the utility model is to provide a new energy automobile battery heat management flexible pipeline, which can effectively solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0007] A new energy automobile battery heat management flexible pipeline, which comprises a pipeline, an outer surface of the pipeline is sleeved with a heat preservation component, the heat preservation component is used for heat preservation of the pipeline, an outer surface of the heat preservation component is provided with a fireproof component, the fireproof component is used for improving the fireproof effect of the pipeline, an outer surface of the fireproof component is sleeved with a protection component, the protection component is used for protecting the outer surface of the pipeline, an outer surface front part and an outer surface rear part of the protection component are respectively movably sleeved with a first fixing sleeve and a second fixing sleeve, a fixing plate is installed on the outer surface lower part of the first fixing sleeve and the second fixing sleeve, and a mounting hole is formed in the fixing plate.

[0008] Preferably, the heat preservation component comprises a closed-cell foam heat preservation sleeve, the outer cylindrical surface of the closed-cell foam heat preservation sleeve is fixedly sleeved with an aluminum silicate fiber layer.

[0009] Preferably, the fireproof component comprises a ceramic fiber layer, the outer cylindrical surface of the ceramic fiber layer is fixedly sleeved on the outer cylindrical surface of the aluminum silicate fiber layer, and the outer surface of the ceramic fiber layer is provided with a fire-retardant rubber layer.

[0010] Preferably, the protective component comprises a rubber sleeve, the outer cylindrical surface of the rubber sleeve is fixedly sleeved on the outer cylindrical surface of the fire-retardant rubber layer, the outer cylindrical surface of the rubber sleeve is coated with a primer coating layer, the outer surface of the primer coating layer is provided with an epoxy resin coating layer, the outer surface of the epoxy resin coating layer is provided with a nylon braided sleeve, and the nylon braided sleeve is movably sleeved on the outer surface of the rubber sleeve.

[0011] Preferably, the first fixing sleeve and the second fixing sleeve are both sleeved on the nylon braided sleeve, the first fixing sleeve and the second fixing sleeve are hingedly connected through a rotating shaft, the outer surface of the upper part of the first fixing sleeve and the second fixing sleeve is provided with a vertical plate, and the two vertical plates are detachably connected through bolts.

[0012] Preferably, the left end and the right end of the pipeline are fixedly connected with connecting discs.

[0013] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0014] 1. The heat preservation component can improve the heat preservation effect of the pipeline, the closed-cell foam heat preservation sleeve and the aluminum silicate fiber layer can reduce heat loss, maintain the temperature of the fluid in the pipeline, avoid waste of heat energy, keep the battery in an ideal temperature range, improve the temperature control efficiency, and reduce energy consumption.

[0015] 2. The fireproof component can improve the fireproof effect of the pipeline, the fire-retardant rubber layer and the ceramic fiber layer have good fireproof performance, when the battery is out of control, the fireproof component can isolate or delay the influence of the flame on the pipeline, reduce the influence of high temperature or flame on the cooling liquid in the pipeline, avoid leakage of the cooling liquid to cause more serious accidents, and reduce safety hazards.

[0016] 3. The protective component can improve the protection effect of the surface of the pipeline, the epoxy resin coating layer can protect the pipeline from corrosion of the cooling liquid, moisture or chemical substances, avoid aging of the pipeline, the nylon braided sleeve has excellent wear resistance and can protect the pipeline from vibration, friction and scratching of external objects, and the rubber sleeve has good elasticity and can absorb vibration and impact, reduce damage or loosening of the pipeline caused by vibration, and prolong the service life of the pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic diagram of the embodiment;

[0018] Figure 2 It is the sectional structure schematic diagram of the embodiment;

[0019] Figure 3 It is the structure schematic diagram of the heat preservation component in the embodiment;

[0020] Figure 4 It is the structure schematic diagram of the fireproof component in the embodiment;

[0021] Figure 5 It is the structure schematic diagram of the protection component in the embodiment.

[0022] In the figure: 1, first fixed sleeve; 2, second fixed sleeve; 3, fixed plate; 4, mounting hole; 5, vertical plate; 6, connecting disc; 7, protection component; 8, fireproof component; 9, heat preservation component; 10, pipeline; 91, aluminum silicate fiber layer; 92, closed-cell foam heat preservation sleeve; 81, fire-retardant rubber layer; 82, ceramic fiber layer; 71, nylon braided sleeve; 72, epoxy resin coating; 73, primer coating; 74, rubber sleeve. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described in combination with specific embodiments.

[0024] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "another end" and the like is the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as a limitation on the utility model. Therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium; can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] AsFigures 1-5 As shown in the figure, a new energy vehicle battery thermal management flexible pipeline, comprising a pipeline 10, the outer surface of the pipeline 10 is sleeved with a heat preservation component 9, the outer surface of the heat preservation component 9 is provided with a fireproof component 8, the fireproof component 8 is used to improve the fireproof effect of the pipeline 10, the outer surface of the fireproof component 8 is sleeved with a protective component 7, the protective component 7 is used to protect the outer surface pipeline 10, the outer surface front and outer surface rear of the protective component 7 are movably sleeved with a first fixed sleeve 1 and a second fixed sleeve 2 respectively, the outer surface lower part of the first fixed sleeve 1 and the second fixed sleeve 2 is provided with a fixed plate 3, the fixed plate 3 is provided with a mounting hole 4, the mounting hole 4 is used to facilitate the pipeline 10 to be installed in the specified position by screws.

[0027] The heat preservation component 9 is used to preserve heat for the pipeline 10, the heat preservation component 9 comprises a closed-cell foam heat preservation sleeve 92, the closed-cell foam heat preservation sleeve 92 is fixedly sleeved on the outer cylindrical surface of the pipeline 10, the outer cylindrical surface of the closed-cell foam heat preservation sleeve 92 is fixedly sleeved with an aluminum silicate fiber layer 91, in use, the closed-cell foam heat preservation sleeve 92 and the aluminum silicate fiber layer 91 have good heat preservation effect, the closed-cell foam heat preservation sleeve 92 and the aluminum silicate fiber layer 91 can reduce heat loss, the closed-cell foam inside the closed-cell foam heat preservation sleeve 92 is filled with closed small bubbles, the interface between each bubble blocks the heat conduction path, the air or inert gas inside the bubble has very low thermal conductivity, thereby effectively blocking heat conduction, the aluminum silicate fiber layer 91 is interwoven by a large number of slender fibers, a large number of small gaps are formed between the fibers, the small gaps block the path of heat conduction through solid materials, reduce the overall thermal conductivity, maintain the temperature of the fluid in the pipeline 10, avoid waste of heat energy, keep the battery in the ideal temperature range, improve the temperature control efficiency, and reduce energy consumption.

[0028] The fireproof component 8 comprises a ceramic fiber layer 82, the ceramic fiber layer 82 is fixedly sleeved on the outer cylindrical surface of the aluminum silicate fiber layer 91, the outer surface of the ceramic fiber layer 82 is provided with a flame-retardant rubber layer 81, in use, the flame-retardant rubber layer 81 and the ceramic fiber layer 82 have good fireproof performance, when the battery is out of control, the fireproof component 8 can isolate or delay the influence of the flame on the pipeline, reduce the influence of high temperature or flame on the cooling liquid in the pipeline, avoid more serious accidents caused by leakage of the cooling liquid, reduce the security risks, the flame-retardant rubber layer 81 is internally added with flame retardants or halogen compounds, when burning, the flame-retardant rubber surface will form a layer of carbide, which isolates the internal material from contact with oxygen and heat source, the ceramic fiber layer 82 is interwoven by a large number of small fibers, a large amount of static air is formed between the fibers, which blocks heat conduction.

[0029] The protection component 7 comprises a rubber sleeve 74, the rubber sleeve 74 is fixedly sleeved on the outer cylindrical surface of the fire-retardant rubber layer 81, the outer cylindrical surface of the rubber sleeve 74 is coated with a primer coating layer 73, the outer surface of the primer coating layer 73 is provided with an epoxy resin coating layer 72, the outer surface of the epoxy resin coating layer 72 is provided with a nylon braided sleeve 71, the nylon braided sleeve 71 is movably sleeved on the outer surface of the rubber sleeve 74, the primer coating layer 73 is used for improving the adhesion of the epoxy resin coating layer 72, the epoxy resin coating layer 72 contains a stable benzene ring inside, generally has good acid resistance, alkali resistance and organic solvent resistance, in use, the epoxy resin coating layer 72 can protect the pipeline 10 from corrosion of cooling liquid, moisture or chemicals, avoid aging of the pipeline 10, the nylon braided sleeve 71 has excellent wear resistance and can protect the pipeline from vibration, friction and scratching of external objects, the rubber sleeve 74 has good elasticity and can absorb vibration and impact, reduce damage or looseness of the pipeline caused by vibration, thereby prolonging the service life of the pipeline.

[0030] The first fixing sleeve 1 and the second fixing sleeve 2 are sleeved on the nylon braided sleeve 71, the first fixing sleeve 1 and the second fixing sleeve 2 are hinged through a rotating shaft, the outer surface of the upper part of the first fixing sleeve 1 and the second fixing sleeve 2 is provided with a vertical plate 5, the two vertical plates 5 are detachably connected through bolts, and the first fixing sleeve 1 and the second fixing sleeve 2 are used for fixing the pipeline 10 at a specified position.

[0031] The left end and the right end of the pipeline 10 are fixedly connected with a connecting disc 6, and the connecting disc 6 is used for facilitating butt joint with other pipelines 10.

[0032] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A flexible pipeline for thermal management of a new energy vehicle battery, comprising a pipeline (10), characterized in that: The outer surface of the pipeline (10) is fitted with a heat insulation component (9), which is used to insulate the pipeline (10). The outer surface of the heat insulation component (9) is provided with a fireproof component (8), which is used to improve the fireproof effect of the pipeline (10). The outer surface of the fireproof component (8) is fitted with a protective component (7), which is used to protect the outer surface of the pipeline (10). The front and rear parts of the outer surface of the protective component (7) are respectively fitted with a first fixing sleeve (1) and a second fixing sleeve (2). The lower part of the outer surface of the first fixing sleeve (1) and the second fixing sleeve (2) are both equipped with a fixing plate (3). The fixing plate (3) is provided with an installation hole (4).

2. The flexible pipeline for thermal management of a new energy vehicle battery according to claim 1, characterized in that: The insulation component (9) includes a closed-cell foam insulation sleeve (92), which is fixedly sleeved on the outer cylindrical surface of the pipeline (10), and the outer cylindrical surface of the closed-cell foam insulation sleeve (92) is fixedly sleeved with an aluminum silicate fiber layer (91).

3. The flexible pipeline for thermal management of a new energy vehicle battery according to claim 2, characterized in that: The fireproof component (8) includes a ceramic fiber layer (82), which is fixedly sleeved on the outer cylindrical surface of the aluminum silicate fiber layer (91), and a flame-retardant rubber layer (81) is provided on the outer surface of the ceramic fiber layer (82).

4. The flexible pipeline for thermal management of a new energy vehicle battery according to claim 3, characterized in that: The protective component (7) includes a rubber sleeve (74), which is fixedly sleeved on the outer cylindrical surface of the flame-retardant rubber layer (81). The outer cylindrical surface of the rubber sleeve (74) is coated with a primer coating (73). An epoxy resin coating (72) is provided on the outer surface of the primer coating (73). A nylon braided sleeve (71) is provided on the outer surface of the epoxy resin coating (72). The nylon braided sleeve (71) is movably sleeved on the outer surface of the rubber sleeve (74).

5. The flexible pipeline for thermal management of a new energy vehicle battery according to claim 4, characterized in that: The first fixing sleeve (1) and the second fixing sleeve (2) are both fitted on the nylon braided sleeve (71). The first fixing sleeve (1) and the second fixing sleeve (2) are hinged together by a pivot. Vertical plates (5) are installed on the upper part of the outer surface of the first fixing sleeve (1) and the second fixing sleeve (2). The two vertical plates (5) are detachably connected by bolts.

6. The flexible pipeline for thermal management of a new energy vehicle battery according to claim 1, characterized in that: The left and right ends of the pipeline (10) are fixedly connected to a connecting plate (6).

Citation Information

Patent Citations

  • Bent pipe type pipeline structure for battery thermal management

    CN215522415U