CN219739067U

CN219739067U - New energy automobile power battery thermal insulation equipment

Info

Publication number: CN219739067U
Application number: CN202320397086.0U
Authority: CN
Inventors: 李忠; 陈苏云
Original assignee: Suzhou Liuzhe Technology Co ltd
Current assignee: Suzhou Liuzhe Technology Co ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-09-22
Anticipated expiration: 2033-03-06

Abstract

The utility model relates to the technical field of lithium batteries and discloses heat preservation equipment for a power battery of a new energy automobile, which comprises a battery shell, wherein a heat preservation mechanism is arranged in the battery shell and comprises an inner pad, a hollow plate, baffle plates, a refrigerating sheet, heating pipes and lithium batteries, wherein the inner pad is fixedly arranged at the bottom of the inner wall of the battery shell, the hollow plate is fixedly arranged between the inner walls of the inner pad, the number of the baffle plates is two, the two baffle plates are sequentially and fixedly arranged between the bottom of the inner wall of the inner pad and the bottom of the outer wall of the hollow plate, the refrigerating sheet is fixedly arranged between the two baffle plates, and the number of the heating pipes is two. Through starting the refrigeration piece, make the air conditioning conduction cool down the cooling in to the shell to discharge the heat that refrigeration piece work produced through the louvre, avoid the shell internal superheat, cool down the cooling to lithium cell and casing quick-witted case fast, increase of service life.

Description

New energy automobile power battery thermal insulation equipment

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to new energy automobile power battery heat preservation equipment.

Background

The new energy automobile adopts unconventional automobile fuel as power source, integrates advanced technology in the aspects of power control and driving of the automobile, and forms an automobile with advanced technical principle, new technology and new structure. The new energy automobile comprises a pure electric automobile, a range-extended electric automobile, a hybrid electric automobile, a fuel cell electric automobile, a hydrogen engine automobile, other new energy automobiles and the like. For pure electric vehicles, the integrity of the battery pack is related to the functions of the whole vehicle, so that the protection device of the battery pack needs to be perfected. The lithium battery is used as the most popular battery, the working temperature of the lithium battery is between minus 20 and 60 ℃, but the performance of the lithium battery is reduced and the discharging capacity is correspondingly reduced when the temperature is lower than zero ℃ generally, so that the heat preservation measure of the battery pack needs to be perfected.

According to chinese patent publication No. CN216958229U, this patent provides a device to battery heat preservation in winter, which comprises a main body, the main body is the rectangle, the inside of main body is equipped with the cavity, the upper end of cavity is the opening form, the inside of cavity is equipped with fixing device, the inside of cavity is passed through fixing device is provided with the group battery, the inside of cavity is equipped with temperature detecting device, the inside of cavity corresponds fixing device's bottom is equipped with heating device, the top fixedly connected with apron of main body, the lower surface of apron corresponds cavity department fixedly connected with compresses tightly the pad, through setting up heating device, heating device is used for heating the cavity, prevents because of the low influence performance of group battery temperature, through setting up the apron, compresses tightly the pad on by the apron and compresses tightly fixedly to the group battery, stabilizes the group battery inside the main body.

However, the lithium battery only needs to be insulated in a severe environment, and once the ambient temperature rises, the problem that the lithium battery is difficult to discharge due to overheating exists in the cavity of the lithium battery, so that the lithium battery cannot be cooled down rapidly, and the service life is influenced.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a new energy automobile power battery heat preservation device.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a new energy automobile power battery thermal insulation equipment, includes the battery case, be provided with heat preservation mechanism in the battery case, and heat preservation mechanism includes interior pad, cavity board, baffle, refrigeration piece, heating pipe, lithium cell, interior pad fixed mounting is in the inner wall bottom of battery case, cavity board fixed mounting is between the inner wall of pad, the quantity of baffle has two to fixed mounting in proper order is in between the inner wall bottom of interior pad and the outer wall bottom of cavity board, refrigeration piece fixed mounting is between two baffles, the quantity of heating pipe has two to fixed mounting respectively is between the inner wall left side, between the inner wall right side of two baffles and interior pad.

Preferably, the front opening of the hollow plate is arranged, and the opening is communicated to the front of the outer wall of the battery shell.

Preferably, the battery case is provided with a heat dissipation mechanism, the heat dissipation mechanism comprises a shielding plate, two first connecting sheets, two electric push rods and two second connecting plates, the top of the back of the shielding plate is hinged to the front face of the outer wall of the battery case through a hinge, the back of the shielding plate shields the opening of the hollow plate, each first connecting sheet is fixedly installed on the left side and the right side of the shielding plate respectively, the bottom end of an inner rod of each electric push rod is hinged to one side, far away from the shielding plate, of each first connecting sheet through a first bolt, the top end of an outer rod of each electric push rod is hinged to each second connecting plate through a second bolt respectively, and the two second connecting plates are sequentially fixedly installed on the front face of the outer wall of the battery case.

Preferably, the bottom of the front surface of the battery shell is provided with a heat dissipation hole, and the heat dissipation hole is communicated to the front surface of the heat dissipation end of the refrigerating sheet.

Preferably, the top of the front surface of the outer wall of the battery shell is fixedly provided with a temperature sensing device, and the sensing end of the temperature sensing device is fixedly penetrated to the front surface of the inner wall of the battery shell.

Preferably, the top opening of the battery shell is provided with a cover in an inserting mode, two screws are respectively arranged on two sides of the outer wall of the battery shell, each screw penetrates through the outer wall of the battery shell in a threaded mode, the screws are connected to the left side and the right side of the cover in a threaded mode, and the lithium battery is clamped between the cover and the top of the outer wall of the hollow plate.

(III) beneficial effects

Compared with the prior art, the utility model provides the heat preservation device for the power battery of the new energy automobile, which has the following beneficial effects:

1. this new energy automobile power battery thermal insulation equipment through starting the refrigeration piece, makes the air conditioning conduction cool down the cooling in to the shell to discharge the heat that the refrigeration piece work produced through the louvre, avoid in the shell overheated, cool down the cooling to lithium cell and casing quick-witted case fast, increase of service life.

2. This new energy automobile power battery thermal insulation equipment through the interior pole shrink of adjusting electric putter to pulling the sunshade passes through the hinge upset, making the heat can be quick discharge in the follow shell, strengthening the heat-sinking capability, avoid exceeding suitable temperature interval in the heat preservation process and cause the battery overheat expansion.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a front view of the present utility model;

FIG. 2 is a cross-sectional elevation view of the present utility model;

fig. 3 is a right side view of the present utility model.

In the figure: 1. a battery case; 2. a heat preservation mechanism; 201. an inner pad; 202. a hollow plate; 203. a baffle; 204. a cooling sheet; 205. heating pipes; 206. a lithium battery; 3. a heat dissipation mechanism; 301. a shutter; 302. a first connecting sheet; 303. an electric push rod; 304. a second connecting plate; 4. a heat radiation hole; 5. a temperature sensing device; 6. a cover; 7. and (5) a screw.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1-3, the utility model provides a new energy automobile power battery heat preservation device, which comprises a battery shell 1, wherein a heat preservation mechanism 2 is arranged in the battery shell 1, the heat preservation mechanism 2 comprises an inner pad 201, a hollow plate 202, a baffle 203, a refrigerating sheet 204, a heating pipe 205 and a lithium battery 206, the inner pad 201 is fixedly arranged at the bottom of the inner wall of the battery shell 1, the hollow plate 202 is fixedly arranged between the inner walls of the inner pad 201, the number of the baffles 203 is two, and sequentially and fixedly arranged between the bottom of the inner wall of the inner pad 201 and the bottom of the outer wall of the hollow plate 202, the refrigerating sheet 204 is fixedly arranged between the two baffles 203, the refrigerating sheet 204 is started to conduct cold air into the shell for cooling, heat generated by the operation of the refrigerating sheet 204 is discharged through a heat dissipation hole 4, the overheating in the shell is avoided, the lithium battery 206 and a case are rapidly cooled, and the service life is prolonged, the number of the heating pipes 205 is two, and the heating pipes are respectively and fixedly arranged between the two baffle plates 203 and the left side of the inner wall and between the right side of the inner wall of the inner pad 201, the front opening of the hollow plate 202 is arranged, the opening is communicated to the front surface of the outer wall of the battery shell 1, the battery shell 1 is provided with a heat dissipation mechanism 3, the heat dissipation mechanism 3 comprises a shielding plate 301, two first connecting plates 302, two electric push rods 303 and two second connecting plates 304, the top of the back of the shielding plate 301 is hinged to the front surface of the outer wall of the battery shell 1 through a hinge, the back covers the opening of the hollow plate 202, each first connecting plate 302 is respectively and fixedly arranged at the left side and the right side of the shielding plate 301, the bottom end of the inner rod of each first electric push rod 303 is hinged to one side of each first connecting plate 302 far away from the shielding plate 301 through a first bolt, the top of the outer rod of each electric push rod 303 is hinged to each second connecting plate 304 through a second bolt, two connecting plates two 304 are fixedly installed in proper order in the outer wall front of battery case 1, the louvre 4 has been seted up to the front bottom of battery case 1, and louvre 4 communicates to the radiating end front of refrigeration piece 204, adjust the interior pole shrink of electric putter 303, thereby the pulling sunshade 301 passes through the hinge upset, make the heat can be quick discharge from the shell, strengthen the heat dissipation ability, avoid exceeding suitable temperature interval in the heat preservation process and cause the battery overheat expansion, the positive top fixed mounting of battery case 1 outer wall has temperature-sensing device 5, and the inductive end of temperature-sensing device 5 is fixed to run through to the inner wall front of battery case 1, the open-top setting of battery case 1, and the opening part grafting has lid 6, the outer wall both sides of battery case 1 are provided with two screws 7 respectively, and every screw 7 is threaded through the outer wall of battery case 1 respectively, and threaded connection is in the left and right sides of lid 6, lithium cell 206 joint is between lid 6 and the outer wall top of cavity board 202.

When the heat preservation device for the power battery of the new energy automobile is used, the cover 6 is inserted into the top of the battery shell 1 and fixedly screwed through the four screws 7, so that the lithium battery 206 is stably installed inside the battery shell 1, the lithium battery 206 is required to be preheated and preserved in winter to be located in a proper temperature space, the performance is improved, the heating pipe 205 is utilized to heat and enable heat to be gathered in the cavity of the hollow plate 202 to be conducted to the outer wall of the lithium battery 206, scalding damage caused by direct contact of high heat with the bottom of the lithium battery 206 is avoided, the temperature sensing device 5 in the scheme refers to a device of a patent CN216958229U, the internal temperature of the battery shell 1 is conveniently monitored, whether the internal temperature of the shell meets the standard or not is judged through the numerical value on the screen, if the heat is higher than a proper temperature range, the internal rod of the electric push rod 303 is regulated to shrink, the front opening of the hollow plate 202 is opened by pulling the shielding plate 301 through hinge overturning, the heat can be rapidly discharged from the shell, the lithium battery 206 is overheated and used, the cooling plate 204 can be started, the cooling air is conducted into the shell to cool the shell, and the heat is cooled through the cooling plate 204 to be discharged through the heat generated by the cooling plate under the high temperature environment.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a new energy automobile power battery thermal insulation equipment, includes battery case (1), its characterized in that: the battery case (1) is internally provided with a heat preservation mechanism (2), and the heat preservation mechanism (2) comprises an inner pad (201), a hollow plate (202), baffles (203), refrigerating sheets (204), heating pipes (205) and lithium batteries (206), wherein the inner pad (201) is fixedly installed at the bottom of the inner wall of the battery case (1), the hollow plate (202) is fixedly installed between the inner walls of the inner pad (201), the number of the baffles (203) is two, the number of the baffles is sequentially and fixedly installed between the bottom of the inner wall of the inner pad (201) and the bottom of the outer wall of the hollow plate (202), the refrigerating sheets (204) are fixedly installed between the two baffles (203), and the number of the heating pipes (205) is two and respectively fixedly installed between the two baffles (203) and the left side of the inner wall of the inner pad (201) and between the right side of the inner wall.

2. The heat preservation device for the power battery of the new energy automobile according to claim 1, wherein: the front opening of the hollow plate (202) is arranged, and the opening is communicated to the front of the outer wall of the battery shell (1).

3. The heat preservation device for the power battery of the new energy automobile according to claim 2, wherein: the battery case (1) is provided with a heat dissipation mechanism (3), and the heat dissipation mechanism (3) comprises a shielding plate (301), two first connecting sheets (302), two electric push rods (303) and two second connecting plates (304), the top of the back of the shielding plate (301) is hinged to the front surface of the outer wall of the battery case (1) through a hinge, the back covers the opening of the hollow plate (202), each first connecting sheet (302) is fixedly installed on the left side and the right side of the shielding plate (301) respectively, the bottom end of an inner rod of each electric push rod (303) is hinged to one side, away from the shielding plate (301), of each first connecting sheet (302) through a first bolt, the top end of an outer rod of each electric push rod (303) is hinged to each second connecting plate (304) through a second bolt, and the two second connecting plates (304) are sequentially fixedly installed on the front surface of the outer wall of the battery case (1).

4. The heat preservation device for the power battery of the new energy automobile according to claim 1, wherein: the bottom of the front surface of the battery shell (1) is provided with a radiating hole (4), and the radiating hole (4) is communicated to the front surface of the radiating end of the refrigerating piece (204).

5. The heat preservation device for the power battery of the new energy automobile according to claim 1, wherein: the front top of the outer wall of the battery shell (1) is fixedly provided with a temperature sensing device (5), and the sensing end of the temperature sensing device (5) is fixedly penetrated to the front of the inner wall of the battery shell (1).

6. The heat preservation device for the power battery of the new energy automobile according to claim 1, wherein: the top opening of battery case (1) sets up, and the opening part peg graft has lid (6), the outer wall both sides of battery case (1) are provided with two screw (7) respectively, and every screw (7) screw thread runs through the outer wall of battery case (1) respectively to threaded connection is in the left and right sides of lid (6), lithium cell (206) joint is between the outer wall top of lid (6) and cavity board (202).