CN216389526U

CN216389526U - Heat preservation device capable of adjusting battery temperature

Info

Publication number: CN216389526U
Application number: CN202122457595.1U
Authority: CN
Inventors: 张建利; 熊金峰; 陈涛; 严国刚; 方兰兰; 薛楷哲; 钮佳伟
Original assignee: King Long United Automotive Industry Suzhou Co Ltd
Current assignee: King Long United Automotive Industry Suzhou Co Ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-04-26
Anticipated expiration: 2031-10-12

Abstract

The utility model discloses a heat preservation device capable of adjusting the temperature of a battery, which comprises a heat preservation main body part and insulating sealing layers arranged at two ends of the heat preservation main body part in the length direction, wherein the heat preservation main body part comprises a heat conduction layer, a heating layer and a heat insulation layer which are arranged from inside to outside, a heating part and a temperature sensor are arranged in the heating layer, and the heating part and the temperature sensor are respectively connected to a temperature controller. The heat preservation device capable of adjusting the temperature of the battery can adjust the temperature and ensure the working performance of the battery in a low-temperature environment.

Description

Heat preservation device capable of adjusting battery temperature

Technical Field

The utility model relates to the technical field of battery heat preservation, in particular to a heat preservation device capable of adjusting the temperature of a battery.

Background

The existing vehicle heat management technology for the power battery mainly comprises a heating scheme and a heat dissipation scheme, wherein the heating scheme is used for ensuring that the power battery is within a rated temperature in a low-temperature environment so as to maintain the performance and the service life of the battery, and mainly comprises modes of heating a battery heating film, heating a PTC (positive temperature coefficient) and the like.

The above-mentioned methods are all to treat the power battery as a uniform environment. In actual conditions, for new energy vehicles, particularly commercial vehicles, the number of power batteries is large, the arrangement positions are distributed, and the power batteries are hardly influenced by other heating elements, such as a motor and an inflating pump.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a heat preservation device capable of adjusting the temperature of a battery, which ensures that the performance of a power battery is stable in a low-temperature environment.

Based on the problems, the technical scheme provided by the utility model is as follows:

the utility model provides an adjustable battery temperature's heat preservation device, is in including the main part that keeps warm, and setting the insulating layer at main part length direction both ends that keeps warm, the main part that keeps warm includes by interior and outer heat-conducting layer, zone of heating and the heat insulation layer that sets up, be equipped with heater block and temperature sensor in the zone of heating, heater block, temperature sensor are connected to temperature controller respectively.

In some embodiments, the heating component is a heating wire, and a sensor wire harness of the temperature sensor and the heating wire are connected with the temperature controller through the insulating sealing layer.

In some embodiments, the heat conducting layer is a heat conducting silica gel layer, a heat conducting ceramic coating, a heat conducting adhesive layer, or a heat conducting organic film layer.

In some of these embodiments, the heating layer is filled with a phase change material.

In some of these embodiments, the insulating layer is filled with a flame retardant material.

Compared with the prior art, the utility model has the advantages that:

the temperature of the heat preservation device can be adjusted through the heating layer as required, the heat preservation device is particularly suitable for being used in an ultralow temperature environment, and the battery is adjusted within an ideal working temperature range, so that the vehicle is ensured to have good power output.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a temperature maintaining device for adjusting the temperature of a battery according to the present invention;

FIG. 2 is a first usage state diagram of the present invention;

FIG. 3 is a second usage state diagram of the present invention;

wherein:

100. a heat preservation device; 101. a heat conductive layer; 102. a heating layer; 103. a heat insulating layer; 104. an insulating sealing layer; 105. a heating member; 106. a temperature sensor; 107. a sensor harness;

200. a temperature controller;

300. a power supply connector;

400. a battery module is provided.

Detailed Description

The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present invention. The conditions used in the examples may be further adjusted according to the conditions of the particular manufacturer, and the conditions not specified are generally the conditions in routine experiments.

Referring to fig. 1, a schematic structural diagram of an embodiment of the present invention provides a thermal insulation device 100 capable of adjusting a battery temperature, which includes a thermal insulation main body and insulating sealing layers 104 disposed at two ends of the thermal insulation main body in a length direction, wherein the thermal insulation main body includes a heat conduction layer 101, a heating layer 102, and an insulating layer 103 disposed from inside to outside, a heating component 105 and a temperature sensor 106 are disposed in the heating layer 102, and the heating component 105 and the temperature sensor 106 are respectively connected to a temperature controller 200.

The temperature controller 200 is connected with an external power supply through the power supply connector 300, the power supply connector 300 is a universal plug, and can be suitable for 220v household appliances and also can be replaced by an air plug or OT terminal of a vehicle connector. The temperature controller 200 may be an independent control system, or may be integrated in a vehicle power management system or a vehicle control system.

Wherein, the heating component 105 is a heating wire, the sensor wire harness 107 and the heating wire of the temperature sensor are connected to the temperature controller 200 through the insulating sealing layer 104, and the heating temperature is controlled by the temperature controller 200, so as to adjust the temperature of the heat preservation device 100.

The heat conduction layer 101 can be one of a heat conduction silica gel layer, a heat conduction ceramic coating, a heat conduction adhesive layer or a heat conduction organic film layer, and the heat conduction coefficient of the heat conduction layer 101 is not lower than 10W/mK. The heating layer 102 is filled with a phase-change material to play a role of energy storage, the phase-change material is heated, the battery is ensured to be in a working range of 0-T degree outside, the temperature controller 200 reaches the temperature T and enters a heat preservation stage to prevent the battery from thermal runaway, and the temperature T represents the specified upper temperature limit of the battery and is generally below the 60-degree temperature level. The heat insulation layer 103 is filled with flame retardant materials, the flame retardant coefficient is not lower than 0.008W/mK, and the heat insulation effect is achieved, wherein the heat conduction silica gel, the heat conduction ceramic coating, the heat conduction glue, the heat conduction organic film, the phase change material, the flame retardant material and the like are all the prior art, and the description is omitted.

The heat insulating device 100 of the present invention may be wrapped around one battery module 400 (as shown in fig. 2) or a plurality of battery modules 400 (as shown in fig. 3) in the form of a heat insulating jacket, a heat insulating quilt, or the like, and the temperature is adjusted by the temperature controller 200.

The above examples are only for illustrating the technical idea and features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an adjustable battery temperature's heat preservation device which characterized in that: including the heat preservation main part and set up the insulating seal layer at heat preservation main part length direction both ends, the heat preservation main part includes by interior and outer heat-conducting layer, zone of heating and the heat insulation layer that sets up, be equipped with heater block and temperature sensor in the zone of heating, heater block, temperature sensor are connected to temperature controller respectively.

2. The adjustable battery temperature thermal insulating apparatus according to claim 1, wherein: the heating part is a heating wire, and a sensor wire harness of the temperature sensor passes through the heating wire and the insulating sealing layer and is connected with the temperature controller.

3. The adjustable battery temperature thermal insulating apparatus according to claim 1, wherein: the heat conduction layer is a heat conduction silica gel layer, a heat conduction ceramic coating, a heat conduction adhesive layer or a heat conduction organic film layer.

4. The adjustable battery temperature thermal insulating apparatus according to claim 1, wherein: the heating layer is filled with phase change materials.

5. The adjustable battery temperature thermal insulating apparatus according to claim 1, wherein: and the heat insulation layer is filled with a flame retardant material.