CN213936342U - Refrigeration and heating module, battery device and new energy automobile - Google Patents

Abstract

The utility model discloses a refrigeration and heating module which comprises a temperature equalizing plate; the refrigeration assembly comprises at least one flat pipe, a refrigerant flows through the flat pipe, and the flat pipe is arranged on the temperature equalizing plate; the heating assembly is arranged on the temperature equalizing plate and comprises at least one heating part, and the heating part is parallel to the flat pipe and arranged at intervals with the flat pipe. When needing to refrigerate, refrigerate through the refrigeration subassembly that sets up on the temperature-uniforming plate, when needing to heat, heat through the heating subassembly that sets up on the temperature-uniforming plate, simple structure to because heating spare and flat tub interval set up, make the heat when refrigerating or heating even, and replaced four kinds of products among the prior art with a product, reach spare part and integrate, purpose with low costs.

Description

Refrigeration and heating module, battery device and new energy automobile

Technical Field

The utility model belongs to the technical field of power battery, particularly, relate to a module, battery device and new energy automobile heat refrigerate.

Background

In recent years, the new energy automobile industry is rapidly developed, and as a main power source of the new energy automobile, the cruising ability and reliability of a power battery become key problems in the production, research, development, manufacture and use processes of the new energy automobile. Since battery performance, life and safety are closely related to ambient temperature: when the environmental temperature is too high, the adverse reaction of the power battery and the performance attenuation can be accelerated, and more serious people can cause safety accidents such as spontaneous combustion, explosion and the like of the power battery; when the ambient temperature is too low, the working performance of the battery is remarkably reduced, and the irreversible attenuation of the battery capacity is caused, so that the service life of the power battery is influenced. Therefore, it is important to solve the battery thermal management problem.

The heat management of the battery adopted at the present stage is generally realized by adopting the heat exchange between the battery cooling plate and the battery after the water pump, the PTC heater, the battery cooling plate and the water storage kettle are connected in series once, so that the battery is ensured to work in a proper temperature range. When the battery is heated, the cooling plate needs to be communicated with the PTC heater, so that the heated liquid heats the battery through the circulating water path, and the battery core is heated; when the battery is cooled, the heat of the battery is taken away through a circulating pipeline flowing through the battery cooling plate. Although the scheme can effectively solve the problem of battery thermal management, the manufacturing cost is high, parts are complex, the weight is heavy and the like.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the present invention is to provide a refrigerating and heating module with a simple structure.

In order to solve the technical problem, the utility model provides a following technical scheme: the refrigerating and heating module comprises a temperature equalizing plate; the refrigeration assembly comprises at least one flat pipe, a refrigerant flows through the flat pipe, and the flat pipe is arranged on the temperature equalizing plate; the heating assembly is arranged on the temperature equalizing plate and comprises at least one heating part, and the heating part is parallel to the flat pipe and arranged at intervals with the flat pipe.

Compared with the prior art, the utility model discloses a module heats in refrigeration, when needing to refrigerate, refrigerate through the refrigeration subassembly that sets up on the temperature-uniforming plate, when needing to heat, heat through the heating subassembly that sets up on the temperature-uniforming plate, simple structure to because heating spare and flat tub of interval set up, heat when making refrigeration or heating is even, and replaced four kinds of products among the prior art with a product, reach spare part and integrate, purpose with low costs.

In addition, according to the utility model discloses the refrigeration heating module of above-mentioned embodiment can also have following additional technical characterstic:

preferably, the heating assembly is a PTC heating assembly, and the heating member is a PTC heating member.

Preferably, the refrigeration and heating module further comprises at least one first cover plate, the first cover plate corresponds to the PTC heating members one to one and covers the PTC heating members, and the side edge of the first cover plate is fixed to the temperature equalizing plate.

Preferably, the refrigeration and heating module further comprises a second cover plate, at least one groove for accommodating the PTC heating element is formed in the surface, opposite to the temperature equalizing plate, of the second cover plate, the groove corresponds to the PTC heating element in a one-to-one mode, and the side edge of the second cover plate is fixed to the temperature equalizing plate.

Preferably, the first cover plate or the second cover plate and the temperature equalizing plate are of an integrally formed structure.

Preferably, the heating member is an electric heating film.

Preferably, the layers of the electric heating film from the position close to the temperature equalizing plate to the position far away from the temperature equalizing plate are as follows: the PTC heating ink comprises a bonding layer, a first insulating layer, a PTC heating ink layer, a conducting layer and a second insulating layer.

Preferably, the refrigeration assembly further comprises a first collecting pipe and a second collecting pipe, one end of the flat pipe is communicated with the first collecting pipe, and the other end of the flat pipe is communicated with the second collecting pipe.

Preferably, the refrigeration assembly further includes a third collecting pipe, a fourth collecting pipe and a fifth collecting pipe, one end of the flat pipe is connected to the third collecting pipe, the other end of one part of the flat pipe is connected to the fourth collecting pipe, and the other end of the other part of the flat pipe is connected to the fifth collecting pipe; and the fourth collecting pipe is communicated with the fifth collecting pipe.

According to the utility model discloses battery device, including battery pack to and foretell refrigeration heats the module, the temperature-uniforming plate setting that the module was heated in the refrigeration is in battery pack's perisporium.

According to the utility model discloses new energy automobile, including foretell battery device

The vehicle and the battery device have the same advantages as those of the prior art, and are not described herein again.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is an exploded view of a refrigeration and heating module according to a first embodiment of the present invention;

fig. 2 is an exploded schematic view of a PTC heating assembly according to an embodiment of the present invention;

fig. 3 is an exploded view of the vapor chamber, the heating assembly, and the first cover plate according to the first embodiment of the present invention;

fig. 4 is an exploded view of a vapor chamber, a heating assembly, and a second cover plate according to a second embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of a refrigeration and heating module according to an embodiment of the present invention before pressing;

fig. 6 is a schematic cross-sectional view of a refrigeration and heating module according to an embodiment of the present invention after pressing;

fig. 7 is a schematic view of a cooling and heating module according to a third embodiment of the present invention;

figure 8 is a schematic view of a refrigeration assembly according to a fourth embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The present application provides a simple cooling and heating module, as shown in fig. 1, the cooling and heating module includes a temperature equalization plate 100; the refrigeration assembly 200, the refrigeration assembly 200 includes at least one flat pipe 210, the refrigerant flows through the flat pipe 210, the flat pipe 210 is arranged on the temperature-equalizing plate 100; heating assembly 300, heating assembly 300 sets up on temperature-uniforming plate 100, and heating assembly 300 includes at least one heating member 310, and heating member 310 is on a parallel with flat pipe 210 and sets up with flat pipe 210 interval. According to the structure, when the battery needs to be refrigerated, the refrigerating assembly 200 arranged on the temperature-equalizing plate 100 is used for refrigerating, when the battery needs to be heated, the heating assembly 300 arranged on the temperature-equalizing plate 100 is used for heating, the structure is simple, and the heating piece 310 and the flat pipe 210 are arranged at intervals, so that the heat during refrigerating or heating is uniform, four products in the prior art are replaced by one product, and the purposes of integration of parts and low cost are achieved. In the embodiment, the 100-bit aluminum plate of the temperature equalizing plate has high heat conductivity, so that rapid heating or cooling can be realized.

In an embodiment of the present application, the heating element 300 is a PTC heating element, and the heating element 310 is a PTC heating element 310, as shown in fig. 2, which is an exploded view of the PTC heating element according to the embodiment of the present invention; the PTC heating member 310 includes two electrode sheets 302 and 303, a PTC ceramic sheet 301 between the two electrode sheets, and an insulating film 304 wrapped outside the two electrode sheets, the insulating film 304 being a PI film (polyimide film); the PTC ceramic sheet 301 is a thermistor with positive temperature coefficient and has the characteristic of constant temperature heating; after the PTC thermistor is electrified, the resistance value enters a jump region through self-heating, and the surface temperature of the PTC thermistor is heated at constant temperature to keep a constant value; when the battery needs to be heated, voltage is applied by electrifying the two electrode plates 302 and 303, when current passes through the thermistor, the thermistor generates heat, the heating temperature of the resistor is gradually increased, the resistance value is gradually reduced, the current is reduced, constant-temperature heating can be realized after a certain temperature is reached, and heat of the PTC ceramic plate 301 is transferred to the battery through the temperature equalizing plate 100 to heat the battery.

In one embodiment of the present application, as shown in fig. 3, the cooling and heating module further includes at least one first cover plate 400, the first cover plate 400 corresponds to the PTC heating members 310 one to one and covers the PTC heating members 310, and a side edge of the first cover plate 400 is fixed to the temperature uniforming plate 100. The side edge of the first cover plate 400 may be fixed to the temperature-uniforming plate 100 by welding to form a plurality of pipes, and the PTC heating members 310 are placed in the pipes and then pressed and extruded from top to bottom to form the structure shown in fig. 6.

In another embodiment of the present application, as shown in fig. 4, the cooling and heating module further includes a second cover plate 500, a surface of the second cover plate 500 opposite to the temperature-uniforming plate 100 is provided with at least one groove 501 for accommodating the PTC heating members 310, the grooves 501 correspond to the PTC heating members 310 one to one, and the side edge of the second cover plate 500 is fixed to the temperature-uniforming plate 100. In this embodiment, the PTC heating element 310 may be first placed on the temperature-uniforming plate 100, and then the second cover plate 500 is placed thereon, such that the recess 501 covers the PTC heating element 310, thereby forming the structure shown in fig. 5; then, the structure shown in fig. 6 is formed by the upper and lower pressing and extruding processes, and the inner wall of the pressed pipe is in contact with the side wall of the PTC heating element 310 due to the upper and lower pressing, so that the heat conduction and dissipation effects are better.

In some embodiments, the first cover plate 400 and the second cover plate 500 are integrally formed with the temperature-uniforming plate 100, a plurality of pipes are formed by the integrally formed structures of the first cover plate 400 and the second cover plate 500 with the temperature-uniforming plate 100, the pipes correspond to the PTC heating members 310 one to one, and fig. 5 is referred to for the structure after the PTC heating members 310 are placed in the pipes, in order to facilitate the placement of the PTC heating members 310 in the pipes, the PTC heating members 310 are slightly smaller than the pipes, after the PTC heating members 310 are placed in the pipes, gaps are formed around the PTC heating members 310, the structure shown in fig. 6 is formed by a top-bottom pressing and extruding process, and due to the top-bottom pressing, the inner walls of the pressed pipes are in contact with the side walls of the PTC heating members 310. The integrally formed structure is similar to the PTC heating element 310 embedded in the temperature-uniforming plate 100, and the heat of the PTC heating element 310 can be directly transferred to the temperature-uniforming plate 100, so that the heating efficiency is higher. This PTC adds heat member 310 embedded to the structure of temperature-uniforming plate 100, flat pipe 210 and PTC adds heat member 31 interval and evenly distributed on temperature-uniforming plate 100, can reduce the whole thickness of cold and hot module, easily whole car arranges.

Fig. 7 shows another embodiment of the cooling and heating module, in which the heating component 300 is an electric heating film 300 ', and the electric heating film 300' has a PTC effect, i.e., a constant temperature heating characteristic, and can achieve self-temperature control and safety. The electric heating film 300' comprises the following layers from the layer close to the vapor chamber 100 to the layer far away from the vapor chamber 100: the PTC heating ink comprises a bonding layer, a first insulating layer, a PTC heating ink layer, a conducting layer and a second insulating layer. The bonding layer can be PET back adhesive; the first insulating layer is made of polyimide; the PTC heating ink layer is made of PTC characteristic heating ink and has the characteristic of self temperature control; the conductive layer can be conductive silver paste or conductive copper paste; the second insulating layer is made of polyimide. The electric heating film 300 'is attached to the hot plate 100, and the electric heating film 300' is parallel to the flat tube 210 and spaced apart from the flat tube. When the battery needs to be heated, the electric heating film 300 'is electrified to apply voltage, when current passes through the thermistor, the thermistor generates heat, the heating temperature of the resistor is gradually increased, the resistance value is gradually reduced, the current is reduced, constant-temperature heating is realized after a certain temperature is reached, and heat of the electric heating film 300' is transferred to the battery through the temperature equalizing plate 100 to heat the battery.

In some embodiments, the refrigeration assembly includes a first header 201 and a second header 202, one end of the flat tube 210 is communicated with the first header 201, and the other end of the flat tube 210 is communicated with the second header 202, referring to the schematic diagrams of the refrigeration assembly in fig. 1 and fig. 7, the refrigerant flows from the first header 201, passes through the flat tube 210, and flows out through the second header 202, and such an arrangement that the inlet and the outlet are distributed on different sides of the refrigeration assembly. In other embodiments, a partition may be provided in one of the headers, and the inlet and the outlet may be on both sides of the partition, so that the inlet and the outlet may be distributed on the same side of the refrigeration module. In other embodiments, referring to fig. 8, the refrigeration assembly includes a third collecting pipe 203, a fourth collecting pipe 204, and a fifth collecting pipe 205, one end of the flat pipe 210 is connected to the third collecting pipe 203, the other end of one part of the flat pipe 210 is connected to the fourth collecting pipe 204, and the other end of the other part of the flat pipe 210 is connected to the fifth collecting pipe 205; the fourth header 204 communicates with the fifth header 205. In some of these embodiments, the refrigerant can flow in from fourth pressure manifold 204, and partly flat pipe gets into third pressure manifold 203 in flat pipe 210, then flows into another part flat pipe in flat pipe 210, flows out through fifth pressure manifold 205 at last, and the refrigeration subassembly that sets up like this need not cut off the piece and can realize that import and export distribute at the homonymy of refrigeration subassembly, makes things convenient for the vehicle pipeline to arrange to make things convenient for the test and the maintenance of refrigeration subassembly.

According to the utility model discloses a battery device, including battery pack to and foretell refrigeration heats the module, refrigeration heats temperature-uniforming plate 100 of module and sets up at battery pack's perisporium, and the perisporium can be top, bottom, perhaps lateral wall. The battery device adopting the refrigerating and heating module has uniform heating and refrigerating and can realize rapid heating or cooling.

According to the utility model discloses new energy automobile, including foretell battery device.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (12)

1. A cooling and heating module is characterized by comprising:

a temperature equalizing plate;

the refrigeration assembly comprises at least one flat pipe, a refrigerant flows through the flat pipe, and the flat pipe is arranged on the temperature equalizing plate;

the heating assembly is arranged on the temperature equalizing plate and comprises at least one heating part, and the heating part is parallel to the flat pipe and arranged at intervals with the flat pipe.

2. A cooling and heating module as claimed in claim 1, wherein the heating member is a PTC heating member, and the heating member is a PTC heating member.

3. A refrigerating and heating module as recited in claim 2 further comprising at least one first cover plate, said first cover plate corresponding to said PTC heating members one-to-one and covering said PTC heating members, and side edges of said first cover plate being fixed to said temperature uniforming plate.

4. A refrigerating and heating module as recited in claim 2 further comprising a second cover plate, wherein at least one recess for accommodating PTC heating elements is formed in a surface of the second cover plate opposite to the temperature-uniforming plate, the recesses correspond to the PTC heating elements one to one, and side edges of the second cover plate are fixed to the temperature-uniforming plate.

5. The cooling and heating module of claim 3, wherein the first cover plate and the vapor chamber are integrally formed.

6. The cooling and heating module of claim 4, wherein the second cover plate and the vapor chamber are integrally formed.

7. The cooling and heating module of claim 1, wherein the heating element is an electrically heated membrane.

8. The refrigeration and heating module of claim 7, wherein the layers of the electrically heated film from the side closer to the vapor chamber to the side farther from the vapor chamber are: the PTC heating ink comprises a bonding layer, a first insulating layer, a PTC heating ink layer, a conducting layer and a second insulating layer.

9. The cooling and heating module set as claimed in any one of claims 1-8, wherein the cooling module further comprises a first collecting pipe and a second collecting pipe, one end of the flat pipe is communicated with the first collecting pipe, and the other end of the flat pipe is communicated with the second collecting pipe.

10. The refrigerating and heating module of any one of claims 1-8, wherein the refrigerating assembly further comprises a third collecting pipe, a fourth collecting pipe and a fifth collecting pipe, one end of the flat pipe is connected to the third collecting pipe, the other end of one part of the flat pipe is connected to the fourth collecting pipe, and the other end of the other part of the flat pipe is connected to the fifth collecting pipe; the fourth collecting pipe is communicated with the fifth collecting pipe.

11. A battery device comprising a battery module, and the cooling and heating module according to any one of claims 1 to 10, wherein the temperature equalizing plate of the cooling and heating module is disposed on a peripheral wall of the battery module.

12. A new energy automobile, characterized by comprising the battery device according to claim 11.

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