CN209745075U - Heat exchanger - Google Patents

Abstract

The utility model provides a heat exchange device, including first board, second board and transition board, the transition board is located between first board and the second board, the transition board is crooked setting, heat exchange device includes first slab and second slab, the transition board includes partly of first slab and partly of second slab, partly outside portion that is located crooked transition board of first slab, the percentage of elongation of first slab is defined as X, the height definition of the runner that first slab and second slab formed is h, the thickness definition of first slab is m, the thickness definition of second slab is n, the minimum distance definition of transition board formation circular arc to the lower surface of second slab is r, r ≧ n + h/X, can be suitable for certain required installation space like this.

Description

Heat exchanger

Technical Field

The utility model relates to a heat exchange field especially relates to a heat exchange device.

background

In a cooling system for a power battery of a new energy vehicle, which generally includes one or more battery modules, a plurality of cooling units for adjusting the temperature of the power battery are generally required, and the cooling units occupy a certain installation space.

SUMMERY OF THE UTILITY MODEL

the heat exchange device comprises a first plate part, a second plate part and a transition plate part, wherein the transition plate part is positioned between the first plate part and the second plate part, the transition plate part is arranged in a bent mode, the heat exchange device comprises a first plate and a second plate, a flow channel is formed after the first plate and the second plate are fixed, the transition plate part comprises a part of the first plate and a part of the second plate, a part of the first plate is positioned at the outer side part of the bent transition plate part, the elongation of the first plate is defined as X, the height of the flow channel formed by the first plate and the second plate is defined as h, the thickness of the first plate is defined as m, the thickness of the second plate is defined as n, and the minimum distance from the center point of an arc formed by the transition plate part to the lower surface of the second plate is defined as r, r is not less than (m + n + h)/X.

Above-mentioned technical scheme passes through heat transfer device and includes first board, second board and transition board, and the transition board is located between first board and the second board, and the transition board is crooked setting to the minimum distance definition of the lower surface of transition board formation circular arc to the second slab satisfies r ≧ m + n + h/X for r, can be suitable for the installation space of certain requirement like this.

Drawings

Fig. 1 is a schematic perspective view of a heat exchange device according to the present embodiment;

FIG. 2 is an enlarged partial schematic view of the transition plate portion of FIG. 1;

FIG. 3 is a perspective view of the second plate shown in FIG. 1;

fig. 4 is a partially enlarged schematic view of the fourth plate portion shown in fig. 1;

FIG. 5 is a partial enlarged view of a fourth plate portion of another embodiment;

FIG. 6 is a schematic view, partly in section, taken along A-A, of the heat exchange unit of FIG. 1;

FIG. 7 is a schematic partial cross-sectional view of the heat exchange device of FIG. 1 taken along direction B-B.

Detailed Description

referring to fig. 1, a heat exchanging device 100 includes a first plate portion 11, a second plate portion 12 and a transition plate portion 13, where the transition plate portion 13 is located between the first plate portion 11 and the second plate portion 12, and the transition plate portion 13 is bent to form a certain included angle between the first plate portion 11 and the second plate portion 12, in this embodiment, the transition plate portion 13, the first plate portion 11 and the second plate portion 12 are formed by bending the heat exchanging device 100, or formed by connecting a plurality of plates, so that the heat exchanging device can adjust the structure and position of the plates according to the installation space, and thus the heat exchanging device can effectively utilize the installation space. The first plate part 11 is smoothly connected with the transition plate part 13, and the second plate part 12 is smoothly connected with the transition plate part 13, so that the strength of the heat exchange device can be relatively enhanced.

referring to fig. 2-3, the heat exchanger 100 includes a first plate 14 and a second plate 15, the first plate 14 and the second plate 15 are fixed to form a flow channel 17, and the first plate 14 and the second plate 15 can be fixed by welding. The transition plate part 13 comprises a part of a first plate 14 and a part of a second plate 15, the part of the first plate 14 is positioned at the outer side part of the bent transition plate part 13, the elongation of the first plate 14 is defined as X, the height of a flow channel formed by the first plate 14 and the second plate 15 is defined as h, the thickness of the first plate 14 is defined as m, the thickness of the second plate 15 is defined as n, the minimum distance from the central point of a circular arc formed by the transition plate part 13 to the lower surface of the second plate 15 is defined as r, and r is not less than (m + n + h)/X. Within this range, thinning of the wall thickness of the first sheet due to stretching can be relatively reduced, and the possibility of bulging of the first sheet due to pressure in the system can be reduced.

The elongation X of the first sheet 14 has a range of values: x is more than or equal to 6 percent and less than or equal to 20 percent, and the possibility of the first plate bulging due to the pressure in the system can be relatively reduced in the range. The second plate 15 is provided with at least two flow channel grooves 155, the flow channel grooves 155 are partially arranged at intervals, and the flow channel grooves 155 form the flow channels 17, so that the width of the flow channels can be relatively reduced, and the possibility of bulging of the second plate is reduced. It is needless to say that the first plate 14 is provided with at least two flow channel grooves, the flow channel groove portions are arranged at intervals, and the flow channel grooves form the flow channel, so that the width of the flow channel can be relatively reduced, and the possibility of the first plate bulging can be reduced.

Referring to fig. 1 and 4, in the present embodiment, the heat exchanging device 100 includes a third plate portion 18 and a fourth plate portion 19, the fourth plate portion 19 is located between the second plate portion 12 and the third plate portion 18, and the fourth plate portion 19 is disposed in a bent manner. The fourth plate portion 19 includes a part of the first plate 14 and a part of the second plate 15, the part of the first plate 14 is located at an outer side portion of the curved fourth plate portion 19, and a minimum distance from a center point of the arc formed by the fourth plate portion 19 to a lower surface of the second plate 15 is defined as r ', r' ≧ (m + n + h)/X.

Referring to fig. 5, in another embodiment, a portion of the second plate 15 is located at an outer side of the curved fourth plate 19, an elongation of the second plate 15 is defined as Y, a height of a flow channel formed by the first plate 14 and the second plate 15 is defined as h, a thickness of the first plate 14 is defined as m, a thickness of the second plate 15 is defined as n, a minimum distance from a center point of a circular arc formed by the fourth plate 19 to an upper surface of the first plate 14 is defined as R, R ≧ (m + n + h)/Y, so that thinning of the wall thickness of the second plate due to stretching can be relatively reduced, and a possibility of bulging of the second plate due to pressure in the system can be reduced.

The elongation Y of the second sheet 15 has a value range of: y is more than or equal to 6 percent and less than or equal to 20 percent, and the possibility of bulging of the first plate sheet due to pressure in the system can be relatively reduced in the range.

referring to fig. 1, 3, 6 and 7, the first plate portion 11 includes a first flow passage 111 and a second flow passage 112, the second plate portion 12 includes a third flow passage 121 and a fourth flow passage 122, the transition plate portion 13 includes a fifth flow passage 131 and a sixth flow passage 132, the fifth flow passage 131 communicates with the first flow passage 111 and the third flow passage 121, and the sixth flow passage 132 communicates with the second flow passage 112 and the fourth flow passage 122. The third plate portion 18 includes a seventh flow passage 181 and an eighth flow passage 182, the seventh flow passage 181 communicates with the eighth flow passage 182, the fourth plate portion 19 includes a ninth flow passage 191 and a tenth flow passage 192, the ninth flow passage 191 communicates with the third flow passage 121 and the seventh flow passage 181, and the tenth flow passage 192 communicates with the fourth flow passage 122 and the eighth flow passage 182. The first plate 14 further includes a first interface 141 and a second interface 142, the first interface 141 being in communication with the first flow channel 111, and the second interface 142 being in communication with the second flow channel 112.

In operation, a heat exchange medium can flow into the first flow channel 111 from the first interface 141, then sequentially flow into the fifth flow channel 131, the third flow channel 121, the ninth flow channel 191, the seventh flow channel 181, the eighth flow channel 182, the tenth flow channel 192, the fourth flow channel 122, the sixth flow channel 132, and the second flow channel 112, and finally flow out of the heat exchange device 100 from the second interface 142, so as to realize the flow of the heat exchange medium.

finally, it should be noted that: the above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, therefore, although the present specification has performed the detailed description of the present invention with reference to the above embodiments, it should be understood by those skilled in the art that the present invention can still make various changes and improvements to the present invention, and all the technical solutions and improvements thereof that do not depart from the scope of the present invention should be covered by the claims of the present invention.

Claims (8)

1. A heat exchange device is characterized by comprising a first plate portion, a second plate portion and a transition plate portion, wherein the transition plate portion is located between the first plate portion and the second plate portion, the transition plate portion is arranged in a bent mode, the heat exchange device comprises a first plate and a second plate, a flow channel is formed after the first plate and the second plate are fixed, the transition plate portion comprises a part of the first plate and a part of the second plate, a part of the first plate is located at the outer side portion of the bent transition plate portion, the elongation of the first plate is defined as X, the height of the flow channel formed by the first plate and the second plate is defined as h, the thickness of the first plate is defined as m, the thickness of the second plate is defined as n, the minimum distance from the center point of an arc formed by the transition plate portion to the lower surface of the second plate is defined as r, r is not less than (m + n + h)/X.

2. the heat exchange device of claim 1, wherein the elongation X of the first plate is in the range of: x is more than or equal to 6% and less than or equal to 20%, the second plate is provided with at least two flow channel grooves, the flow channel groove parts are arranged at intervals, and the flow channel grooves form the flow channel.

3. The heat exchange device of any one of claims 1 or 2, the heat exchanging device includes a third plate portion and a fourth plate portion, the fourth plate portion being located between the second plate portion and the third plate portion, the fourth plate portion is disposed in a bent manner, the fourth plate portion includes a portion of the first plate and a portion of the second plate, a part of the second sheet is located at an outer side portion of the fourth plate portion that is bent, an elongation of the second sheet is defined as Y, the height of the flow channel formed by the first plate and the second plate is defined as h, the thickness of the first plate is defined as m, the thickness of the second plate is defined as n, the minimum distance from the center point of the arc formed by the fourth plate part to the upper surface of the first plate is defined as R, and R is not less than (m + n + h)/Y.

4. The heat exchange device of claim 3, wherein the elongation Y of the second plate is in the range of: y is more than or equal to 6% and less than or equal to 20%, the first plate is provided with at least two flow channel grooves, the flow channel groove parts are arranged at intervals, and the flow channel grooves form the flow channel.

5. The heat exchange device of claim 3, wherein the first plate portion includes a first flow channel and a second flow channel, the second plate portion includes a third flow channel and a fourth flow channel, the transition plate portion includes a fifth flow channel and a sixth flow channel, the fifth flow channel communicates the first flow channel and the third flow channel, the sixth flow channel communicates the second flow channel and the fourth flow channel;

The third plate part comprises a seventh flow passage and an eighth flow passage, the seventh flow passage is communicated with the eighth flow passage, the fourth plate part comprises a ninth flow passage and a tenth flow passage, the ninth flow passage is communicated with the third flow passage and the seventh flow passage, and the tenth flow passage is communicated with the fourth flow passage and the eighth flow passage;

The first plate further comprises a first interface and a second interface, the first interface is communicated with the first flow channel, and the second interface is communicated with the second flow channel.

6. The heat exchange device of claim 4, wherein the first plate portion includes a first flow channel and a second flow channel, the second plate portion includes a third flow channel and a fourth flow channel, the transition plate portion includes a fifth flow channel and a sixth flow channel, the fifth flow channel communicates the first flow channel and the third flow channel, the sixth flow channel communicates the second flow channel and the fourth flow channel;

The third plate part comprises a seventh flow passage and an eighth flow passage, the seventh flow passage is communicated with the eighth flow passage, the fourth plate part comprises a ninth flow passage and a tenth flow passage, the ninth flow passage is communicated with the third flow passage and the seventh flow passage, and the tenth flow passage is communicated with the fourth flow passage and the eighth flow passage;

The first plate further comprises a first interface and a second interface, the first interface is communicated with the first flow channel, and the second interface is communicated with the second flow channel.

7. the heat exchange device according to claim 2, wherein the heat exchange device comprises a third plate portion and a fourth plate portion, the fourth plate portion is located between the second plate portion and the third plate portion, the fourth plate portion is arranged in a bent manner, the fourth plate portion comprises a part of the first plate and a part of the second plate, a part of the first plate is located at an outer side portion of the bent fourth plate portion, and a minimum distance from a center point of a circular arc formed by the fourth plate portion to a lower surface of the second plate is defined as r ', r' ≧ (m + n + h)/X.

8. The heat exchange device of claim 1, wherein the elongation X of the first plate is in the range of: x is more than or equal to 6% and less than or equal to 20%, the second plate is provided with at least two flow channel grooves, the flow channel groove parts are arranged at intervals, and the flow channel grooves form the flow channel;

the heat exchange device comprises a third plate part and a fourth plate part, the fourth plate part is positioned between the second plate part and the third plate part, the fourth plate part is arranged in a bent mode, the fourth plate part comprises a part of the first plate and a part of the second plate, a part of the first plate is positioned at the outer side part of the bent fourth plate part, and the minimum distance from the center point of a circular arc formed by the fourth plate part to the lower surface of the second plate is defined as r ', r' is not less than (m + n + h)/X;

the first plate part comprises a first flow passage and a second flow passage, the second plate part comprises a third flow passage and a fourth flow passage, the transition plate part comprises a fifth flow passage and a sixth flow passage, the fifth flow passage is communicated with the first flow passage and the third flow passage, and the sixth flow passage is communicated with the second flow passage and the fourth flow passage;

The third plate part comprises a seventh flow passage and an eighth flow passage, the seventh flow passage is communicated with the eighth flow passage, the fourth plate part comprises a ninth flow passage and a tenth flow passage, the ninth flow passage is communicated with the third flow passage and the seventh flow passage, and the tenth flow passage is communicated with the fourth flow passage and the eighth flow passage;

The first plate further comprises a first interface and a second interface, the first interface is communicated with the first flow channel, and the second interface is communicated with the second flow channel.