CN217768525U - Temperature control plate and battery box - Google Patents

Abstract

The utility model discloses a control by temperature change board and battery box, the control by temperature change board package rubbing board body and heating plate, the plate body is the bar shaped plate of metal material, cooling channel has in the plate body, cooling channel's both ends are worn out respectively extremely outside the plate body to constitute coolant liquid entry and coolant liquid export respectively, inlay on at least one side of plate body and be equipped with the heating plate, through set up cooling channel in the plate body, the accessible is given cooling channel inner loop coolant liquid in order to realize the cooling processing to the plate body like this, and when needs heat the plate body, the accessible heating plate heats the plate body in order to heat up the processing to the plate body.

Description

Temperature control plate and battery box

Technical Field

The utility model belongs to the battery package field especially relates to a control by temperature change board and battery box.

Background

At present, with the increase of market share of new energy automobiles year by year, and the market-oriented new energy automobiles are electric automobiles, a power battery is used as one of core systems of the electric automobiles, the operation stability of the power battery plays a decisive factor for the quality of the electric automobiles, the storage battery can generate heat in the charging and discharging process, and the temperature of the storage battery has a great influence on the charging and discharging performance of the storage battery, for example, when the storage battery is charged under a low-temperature condition, the charging speed of the storage battery is slow, the power failure phenomenon (influencing mileage) can exist in the low-temperature operation, meanwhile, the storage battery can expand or even expand or generate spalling and the like, so the power battery needs to be under a relatively proper temperature condition according to the working condition, but when the internal charging and discharging of the battery box are carried out at present, the uniformity of the internal temperature distribution of the power battery is not good.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem, an object of the present invention is to provide a temperature control plate that has a simple structure and can be heated or cooled.

The technical scheme of the utility model as follows: the utility model provides a temperature control plate, includes plate body and heating plate, the plate body is the bar shaped plate of metal material, cooling channel has in the plate body, cooling channel's both ends wear out respectively extremely outside the plate body to constitute coolant liquid entry and coolant liquid export respectively, it is equipped with to inlay on at least one side of plate body the heating plate.

The beneficial effects of the above technical scheme are that: through set up cooling channel in the plate body, the accessible is given cooling channel inner loop coolant liquid in order to realize handling the cooling of plate body like this, and when needs heated the plate body, the accessible heating plate heats the plate body in order to handle the plate body heaies up.

In the above technical solution, the cooling channel is a serpentine channel.

The beneficial effects of the above technical scheme are that: it has good cooling effect.

In the technical scheme, the heating sheets are arranged in a plurality of distributed at intervals along the length direction of the plate body.

The beneficial effects of the above technical scheme are that: thus, the temperature rise of the whole plate body is balanced.

In the technical scheme, the two sides of the plate body are provided with a plurality of heating sheets at intervals along the length direction, and the heating sheets on the two sides of the plate body are distributed in a staggered manner.

The beneficial effects of the above technical scheme are that: thus, the temperature rise of the two sides of the plate body is balanced.

In the technical scheme, the heating sheets are arranged on one side of the plate body, and the heating sheets are distributed on the corresponding side of the plate body along the length direction at intervals.

The beneficial effects of the above technical scheme are that: so that the temperature rise of the single side of the plate body is more balanced.

In the technical scheme, the other side of the plate body is provided with the heat insulation layer.

The beneficial effects of the above technical scheme are that: so that the heat preservation performance of the side of the plate body without the heating sheet is good.

Another object of the present invention is to provide a battery box with simple structure and capable of adjusting the temperature of the battery box.

The utility model discloses a another technical scheme as follows: the utility model provides a battery box, includes bottom plate, lid, four outer panels and a plurality of intermediate lamella, the outer panel is as above the temperature control plate, the intermediate lamella is as above the temperature control plate, bottom plate and lid are the square board that the level set up and the specification is unanimous, four the outer panel is vertical to be enclosed and establish four sides of bottom plate are in order to form box mouth box body up, just one side orientation that the outer panel was equipped with the heating plate in the box body, it is a plurality of the equal vertical alternate setting side by side of intermediate lamella is in the box body, in order to with cut apart into the cavity of a plurality of bars in the box body, be used for accommodating the battery in the cavity, the lid is used for the lid to establish the box mouth department of box body.

The beneficial effects of the above technical scheme are that: its simple structure so make in every cavity can become to arrange and accomodate a plurality of batteries, the temperature in the box body can be adjusted to the outer panel of four sides of box body moreover, and the intermediate lamella in the box body can all carry out temperature regulation to its both sides.

Every among the above-mentioned technical scheme be provided with the division board of a plurality of fretworks along its length direction interval in the cavity, it is a plurality of the division board will the cavity is cut apart and is a plurality of subchambers, every be used for accommodating a battery in the subchambers.

The beneficial effects of the above technical scheme are that: so make the battery in the cavity separate by the division board, make the heat transfer more convenient between two adjacent batteries in the cavity like this, make simultaneously all can carry out comparatively even temperature regulation around every battery.

In the technical scheme, the isolation plate is square and the pipe wall is uniformly provided with holes communicated with the inside of the isolation plate.

The beneficial effects of the above technical scheme are that: therefore, the temperature between two adjacent storage batteries in the cavity can be adjusted more conveniently, and the problem that the operation safety of the storage batteries is influenced due to local temperature accumulation is avoided.

In the technical scheme, the height of the middle plate is smaller than that of the outer side plate, the lower end of the middle plate is abutted against the upper end of the bottom plate, and the upper end of the middle plate is lower than the horizontal height of the box opening.

The beneficial effects of the above technical scheme are that: so make the lid close the back, each cavity upper end link up to make the heat in each cavity evenly diffuse, thereby make temperature distribution in the battery box comparatively balanced.

Drawings

Fig. 1 is a schematic structural view of a cooling channel in a temperature control plate according to embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a temperature control plate according to embodiment 1 of the present invention;

fig. 3 is an end view of the thermal control plate according to embodiment 1 of the present invention;

fig. 4 is a schematic view of the distribution of the heating sheets on two sides of the plate body in embodiment 1 of the present invention;

fig. 5 is a schematic view of the distribution of the heating sheet and the heat insulating layer on two sides of the plate body in embodiment 2 of the present invention;

fig. 6 is an end view of the thermal control plate according to embodiment 2 of the present invention;

fig. 7 is a schematic view of an open state of a battery box according to embodiment 3 of the present invention;

fig. 8 is a schematic structural view of a battery box in embodiment 3 of the present invention from the bottom;

fig. 9 is a schematic view of the distribution of the separator plates within the battery box;

FIG. 10 is a schematic view showing the arrangement of the partition plates and the intermediate plates;

FIG. 11 is a schematic connection diagram of the components of the water pump, the water storage kettle, etc. in embodiment 3 of the present invention;

fig. 12 is a schematic structural view of a partition board according to embodiment 3 of the present invention.

In the figure: the solar battery comprises an outer side plate 1a, an intermediate plate 1b, a plate body 11, a cooling channel 111, a cooling liquid inlet 1111, a cooling liquid outlet 1112, a heating sheet 12, a heat preservation layer 13, a bottom plate 2, supporting legs 21, a box cover 3, a separation plate 4, a water storage kettle 5, a water pump 6, a cooler 7, a temperature sensor 8 and a battery management system 9.

Detailed Description

The principles and features of the present invention will be described with reference to the drawings, which are provided for illustration only and are not intended to limit the scope of the invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

Example 1

As shown in fig. 1-4, this embodiment provides a temperature control plate, including plate body 11 and heating plate 12, plate body 11 is the lath of metal material, cooling channel 111 has in plate body 11, the both ends of cooling channel 111 wear out respectively to outside the plate body 11 to constitute coolant liquid entry 1111 and coolant liquid export 1112 respectively, the embedding is equipped with on at least one side of plate body 11 the heating plate 12, through set up cooling channel in the plate body, the accessible is for the cooling channel inner loop coolant liquid in order to realize the cooling processing to the plate body like this, and when needs heat the plate body, the accessible heating plate heats the plate body in order to carry out the temperature-rising processing to the plate body.

In the above technical solution, the cooling channel 111 is a serpentine channel, and the cooling effect is good.

In the above technical solution, the heating sheets 12 are provided in plurality, and the plurality of heating sheets 12 are distributed on the plate body 11 at intervals along the length direction thereof, so that the temperature rise of the whole plate body is balanced.

In the above technical scheme, the two sides of the plate body 11 are both provided with a plurality of heating sheets 12 at intervals along the length direction, and the heating sheets 12 on the two sides of the plate body 11 are distributed in a staggered manner, so that the temperature rise of the two sides of the plate body is balanced.

Preferably, the cooling liquid inlet and the cooling liquid outlet are both threaded interfaces (inner threads are arranged on the inner wall of the hole).

Example 2

As shown in fig. 5 and fig. 6, the difference from embodiment 1 is that in the above technical solution, a plurality of heating sheets 12 are all disposed on one side of the plate body 11, and a plurality of heating sheets 12 are distributed at intervals along the length direction of the plate body 11 on the corresponding side, so that the temperature rise on one side of the plate body is relatively uniform.

In the above technical scheme, the other side of the plate body 11 is provided with the heat preservation layer 13, so that the heat preservation performance of the side of the plate body without the heating sheet is good, and the heat preservation layer can be a heat preservation coating (which belongs to the existing product).

Example 3

As shown in fig. 7, this embodiment provides a battery box, which includes a bottom plate 2, a box cover 3, four outer side plates 1a and a plurality of middle plates 1b, where the outer side plates 1a are temperature control plates as in embodiment 2, the middle plates 1b are temperature control plates as in embodiment 1, the bottom plate 2 and the box cover 3 are square plates horizontally arranged and have the same specification, the four outer side plates 1a are vertically arranged around four sides of the bottom plate 2 to form a box body with an upward box opening, and one side of the outer side plate 1a, which is provided with a heating plate 12, faces the box body, and the plurality of middle plates 1b are vertically arranged in the box body side by side at intervals to divide the box body into a plurality of strip-shaped cavities for accommodating batteries, and the box cover 3 is arranged at the box opening of the box body.

The heat preservation layer is arranged on the outer side of the outer side plate, so that the outer side plate is prevented from directly radiating outwards, power consumption is improved during heating, and the heat preservation coating can be considered to be coated on any side of the box cover and the bottom plate for heat preservation treatment (mainly, heat loss in winter is avoided, but the defect is that heat is not beneficial to radiating in summer, so whether the heat preservation coating is arranged on the box cover and the bottom plate or not can be considered as appropriate according to the climatic characteristics of regions, for example, the northern region of China is cold in winter, and the cold period is long, so that the heat preservation coating can be considered to be arranged, and the southern region of China is hot in summer, and the hot period is long, so that the heat preservation coating is not considered to be arranged).

As shown in fig. 8, the four outer side plates and the plurality of intermediate plates are integrally formed with the bottom plate, and four end-to-end joints of the outer side plates are integrally formed, each intermediate plate is also integrally formed with the outer side plate at two ends of the intermediate plate, the cooling liquid inlets and the cooling liquid outlets of the outer side plates and the intermediate plate are downward and penetrate through the bottom plate, and four corners of the bottom plate are provided with supporting legs with a height of 3-5cm, so that the bottom plate is suspended, a pipeline passes through the lower end of the edge bottom plate, and meanwhile, the wire harnesses of the heating plates on each outer side plate and the intermediate plate are led out through the lower end of the bottom plate, all the heating plates can be electrically connected with the battery management system after being connected in series and/or parallel, the middle part in the box body can be provided with at least one temperature sensor 8 (arranged on the bottom plate in the box body, and evenly spaced on the bottom plate if the temperature sensors are provided with a plurality of them), and the temperature sensors are also led out through the lower end of the bottom plate to be electrically connected with the battery management system 9. Still include in this scheme liquid storage kettle 5 and water pump 6, the coolant liquid (preferred be insulating coolant liquid) is contained in liquid storage kettle 5, communicate in water pump 6's the water inlet and the liquid storage kettle 5, the coolant liquid entry of four outer panels and a plurality of intermediate lamella all with the delivery port of water pump communicates, the coolant liquid export of four outer panels and a plurality of intermediate lamella all with communicate in the liquid storage kettle (can communicate through cooler 7 between the liquid storage kettle after the coolant liquid export confluence of four outer panels and a plurality of intermediate lamella, cool down the processing by the cooler to the coolant liquid of backward flow), liquid storage kettle and water pump all arrange outside the box body, can add radiating fin on the stock solution kettle inside and outside wall, can detail see figure 11 (the dotted line is electric connection line in figure 11, and the solid line is the pipeline, wherein outer panel and intermediate lamella mark one respectively as the example).

The cooler is a circulating water cooler (the specification is selected according to the maximum flow rate to be processed), and the battery management system belongs to the prior art and is not described in detail herein.

The storage battery is a lithium battery, and when the storage battery is charged/discharged and the temperature is below 0 ℃ (as long as the measured value of one temperature sensor is below 0 ℃), the heating of the heating sheet can be controlled by the battery management system to enable the temperature in the battery box to be between 20 and 40 ℃ (the heating of the heating sheet can be stopped when the measured values of all the temperature sensors are between 20 and 40 ℃); when the storage battery is charged/discharged and the temperature is above 60 ℃ (as long as the measured value of one temperature sensor is below 60 ℃), the battery management system controls the water pump and the cooler to operate, so that the battery box is cooled to be below 55 ℃ (the water pump and the cooler stop heating when the measured values of all the temperature sensors are below 55 ℃), the detection tolerance error of the temperature in the battery box exists, and the water pump and the cooler are synchronously started or synchronously closed, which takes the case that a plurality of temperature sensors are used as an example.

The box cover can be fixedly arranged at the upper end of the box body through bolts, the upper ends of the four outer side plates can be concavely provided with screw holes, the box cover is provided with through holes which penetrate through the box cover from top to bottom and correspond to the screw holes, and the box cover can be arranged at the upper end of the box body by inserting a bolt after each through hole is aligned to the corresponding screw hole.

As shown in fig. 9 and 12, in the above technical solution, a plurality of hollowed-out isolation plates 4 are arranged in each chamber at intervals along the length direction of the chamber, the isolation plates 4 are used for partitioning the chamber into a plurality of sub-chambers, and each sub-chamber is used for accommodating a storage battery, so that the storage batteries in the chamber are separated by the isolation plates, heat exchange between two adjacent storage batteries in the chamber is more convenient, and meanwhile, more uniform temperature adjustment can be performed around each storage battery.

In the technical scheme, the isolation plate 4 is in a square tube shape, holes communicated with the inside of the isolation plate are uniformly distributed in the tube wall of the isolation plate, so that the temperature of two adjacent storage batteries in the cavity can be adjusted more conveniently, the phenomenon that the operation safety of the storage batteries is affected due to the local temperature aggregation (namely, the adjacent storage batteries are not contacted with each other) is avoided, the thickness of the isolation plate can be about 1cm, and more space is also avoided being occupied in the box body.

In the technical scheme, the height of the middle plate 1b is smaller than that of the outer side plate 1a, the lower end of the middle plate 1b is abutted to the upper end of the bottom plate 2, and the upper end of the middle plate 1b is lower than the horizontal height of the box opening, so that after the box cover is covered, the upper ends of the cavities are communicated, heat in the cavities can be uniformly diffused, and the temperature distribution in the battery box is balanced.

Wherein, as shown in fig. 10, the upper end of the partition plate is lower than the level of the upper end of the middle plate, and a gap is provided between the lower end of the partition plate and the bottom plate.

In this embodiment, at least two sides of each battery are in contact with the outer plate and/or the middle plate, and the remaining sides are in contact with the partition plate, and preferably, the temperature sensor is disposed on the bottom plate and under the partition plate, so that the temperature sensor does not press under the battery.

The bottom plate, the side plates, the middle plate, the box cover and the isolation plate can be all made of aluminum alloy materials.

It should be noted that the above detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

For ease of description, spatially relative terms, such as "over", "above", "on", "upper surface", "over", and the like, may be used herein to describe one element or feature's spatial relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above" may include both an orientation of "above" and "below". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The foregoing is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any manner; all the persons skilled in the art can smoothly implement the present invention as shown in the attached drawings and described above; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims (10)

1. The utility model provides a temperature control plate, its characterized in that, includes plate body (11) and heating plate (12), plate body (11) are the bar shaped plate of metal material, cooling channel (111) have in plate body (11), wear out respectively extremely at the both ends of cooling channel (111) outside plate body (11) to constitute coolant liquid entry (1111) and coolant liquid export (1112) respectively, it is equipped with to inlay on at least one side of plate body (11) heating plate (12).

2. The thermal control plate of claim 1, wherein said cooling channel (111) is a serpentine channel.

3. The thermal control plate of claim 2, wherein said plurality of heat-generating plates (12) are provided, and a plurality of said heat-generating plates (12) are spaced apart along the length of said plate body (11).

4. The thermal control plate according to claim 3, wherein a plurality of the heating sheets (12) are disposed at intervals along the length direction of both sides of the plate body (11), and the heating sheets (12) on both sides of the plate body (11) are distributed in a staggered manner.

5. The thermal control plate of claim 3, wherein a plurality of said heating plates (12) are disposed on one side of said plate body (11), and a plurality of said heating plates (12) are spaced apart along the length of said plate body (11) on the corresponding side thereof.

6. Temperature-controlled plate according to claim 5, characterized in that the other side of the plate body (11) is provided with a heat-insulating layer (13).

7. The battery box is characterized by comprising a bottom plate (2), a box cover (3), four outer side plates (1 a) and a plurality of middle plates (1 b), wherein the outer side plates (1 a) are temperature control plates according to claim 5 or 6, the middle plates (1 b) are temperature control plates according to claim 4, the bottom plate (2) and the box cover (3) are square plates which are horizontally arranged and have the same specification, the four outer side plates (1 a) are vertically arranged around the four sides of the bottom plate (2) to form a box body with an upward box opening, one side of each outer side plate (1 a) provided with a heating sheet (12) faces towards the inside of the box body, the middle plates (1 b) are vertically arranged in the box body side by side at intervals to divide the inside of the box body into a plurality of strip-shaped cavities, storage batteries are arranged in the cavities, and the box cover (3) is arranged at the box opening of the box body in a covering mode.

8. A battery box according to claim 7, characterized in that a plurality of hollowed-out partition plates (4) are arranged in each cavity at intervals along the length direction of the cavity, the plurality of partition plates (4) divide the cavity into a plurality of sub-cavities, and each sub-cavity is used for accommodating a storage battery.

9. The battery box according to claim 8, characterized in that the separator (4) is a square tube, and holes penetrating the separator are uniformly distributed on the wall of the square tube.

10. A battery box according to any of claims 7-9, characterized in that the height of the middle plate (1 b) is smaller than the height of the outer side plates (1 a), and the lower end of the middle plate (1 b) abuts against the upper end of the bottom plate (2), and the upper end of the middle plate (1 b) is lower than the level of the box opening.

Images