Heat exchanger for new energy automobile

Abstract

The utility model relates to a heat exchanger for a new energy automobile, which comprises a heat exchanger body, and a first liquid inlet, a first liquid outlet, a second liquid inlet and a second liquid outlet are formed in the top of the heat exchanger body; an upper heating channel, a middle heating channel, a lower heating channel and a heat exchange channel are sequentially and circularly arranged in the heat exchanger body from top to bottom, and the upper heating channel communicates with the lower heating channel, the first liquid inlet and the first liquid outlet; the heat exchange channel is communicated with the second liquid inlet and the second liquid outlet, and is used for heating liquid in the adjacent upper heating channel and lower heating channel; and the metal coating heating plate is arranged in the middle heating channel and is used for heating liquid in the upper heating channel and the lower heating channel. According to the heat exchanger for the new energy automobile, the function of the heat exchanger can be achieved, meanwhile, liquid used for heating can be heated through the plating layer heating plate, the active heating function is achieved, and then the heating temperature is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a heat exchanger, especially a heat exchanger for new energy vehicles. BACKGROUND

[0002] On the electric vehicle, in order to improve the utilization rate of electric energy, a heat exchanger is used to recover waste heat.

[0003] The existing heat exchanger, such as the waste heat recovery heat exchanger and automobile air conditioner disclosed in CN 111469628 A, can absorb the heat of the cooling liquid of the motor assembly and enhance the heating capacity of the automobile air conditioner when operating under low temperature conditions. However, for the increasingly high integration requirement, the heat exchanger cannot satisfy the heat exchange and active heating at the same time. SUMMARY

[0004] To solve the problem that the above-mentioned heat exchanger cannot satisfy the heat exchange and active heating at the same time, the utility model provides a heat exchanger for new energy vehicles, and the specific technical scheme is as follows:

[0005] A heat exchanger for new energy vehicles, comprising: a heat exchanger body, a first liquid inlet, a first liquid outlet, a second liquid inlet and a second liquid outlet are arranged on the top of the heat exchanger body; the inside of the heat exchanger body is sequentially provided with an upper heating channel, a middle heating channel, a lower heating channel and a heat exchange channel from top to bottom, and the upper heating channel, the middle heating channel, the lower heating channel and the heat exchange channel are sequentially arranged in circulation, wherein the upper heating channel is communicated with the lower heating channel, the first liquid inlet and the first liquid outlet; the heat exchange channel is communicated with the second liquid inlet and the second liquid outlet, and the heat exchange channel is used for heating the liquid in the adjacent upper heating channel and lower heating channel; and a metal plated heating plate is arranged in the middle heating channel and used for heating the liquid in the upper heating channel and the lower heating channel.

[0006] Preferably, the heat exchanger body comprises a first shell, a second shell, a third shell and a fourth shell arranged in circulation from top to bottom, and a heat exchange base arranged at the bottom of the heat exchanger body, wherein the first shell and the second shell form the upper heating channel, the second shell and the third shell form the middle heating channel, the third shell and the fourth shell form the lower heating channel, and the fourth shell and the first shell below form the heat exchange channel.

[0007] Further, the first shell is provided with a first upper boss, a second upper boss, a third upper boss and a fourth upper boss which protrude towards the top of the first shell and are each provided with a through hole; the second shell is provided with a first middle boss, a second middle boss, a third middle boss and a fourth middle boss which protrude towards the inside of the second shell and are each provided with a through hole, and is further provided with a second heating boss which protrudes towards the inside of the second shell, and one side of the second shell is provided with a second heating groove which communicates with the inside of the second shell; the third shell is provided with a first lower boss, a second lower boss, a third lower boss and a fourth lower boss which protrude towards the top of the third shell and are each provided with a through hole, and is further provided with a third heating boss which protrudes towards the top of the third shell; the fourth shell is provided with a third connecting boss and a fourth connecting boss which protrude towards the top of the fourth shell and are each provided with a through hole, and the top of the fourth shell is further provided with a first connecting boss and a second connecting boss which protrude towards the inside of the fourth shell and are each provided with a through hole; wherein the third upper boss and the fourth upper boss of the first shell are connected with the third middle boss and the fourth middle boss of the second shell through a communication pipe; the first middle boss, the second middle boss, the third middle boss and the fourth middle boss of the second shell are connected with the first lower boss, the second lower boss, the third lower boss and the fourth lower boss of the third shell respectively; the third lower boss and the fourth lower boss of the third shell are connected with the third connecting boss and the fourth connecting boss of the fourth shell; the first connecting boss and the second connecting boss of the fourth shell are connected with the first upper boss and the second upper boss of the adjacent first shell; the metal plated heating plate is inserted into the second heating groove and the two ends are respectively abutted on the third heating boss and the third heating boss.

[0008] Further, the same side of the first shell, the second shell, the third shell and the fourth shell is respectively provided with a first error-proof boss, a second error-proof boss, a third error-proof boss and a fourth error-proof boss.

[0009] Compared with the prior art, the heat exchanger for new energy vehicles has the following beneficial effects:

[0010] The heat exchanger for new energy vehicles can realize the function of the heat exchanger, can heat the liquid for heating through the metal plated heating plate, realizes the active heating function, further ensures the heating temperature, can reduce the number of pipelines in the electric vehicle, and can also use the heat exchanger as an air conditioner heater, and has the functions of heating and refrigeration. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is a perspective view of the present application;

[0012] Figure 2 is a perspective sectional view of the present application;

[0013] Figure 3 is a front view of the present application;

[0014] Figure 4 is a sectional view along Figure 3 line A-A in FIG. 1;

[0015] Figure 5 is a sectional view along Figure 3 line B-B in FIG. 1;

[0016] Figure 6 is a sectional view along Figure 3 line C-C in FIG. 1;

[0017] Figure 7 is an exploded view of the present application;

[0018] Figure 8 is a structural schematic view of a first shell;

[0019] Figure 9 is a structural schematic view of a second shell;

[0020] Figure 10 is a structural schematic view of a third shell;

[0021] Figure 11 is a structural schematic view of a fourth shell;

[0022] Figure 12 is a structural schematic view of a metal-plated heating plate. DETAILED DESCRIPTION

[0023] The present application will be further described in conjunction with the accompanying drawings.

[0024] As shown in Figures 1 to 12 FIG. 1, a heat exchanger for a new energy vehicle includes a heat exchanger body and a metal-plated heating plate 7. The top of the heat exchanger body is provided with a first liquid inlet 61, a first liquid outlet 62, a second liquid inlet 63, and a second liquid outlet 64. The inside of the heat exchanger body is sequentially provided from top to bottom with an upper heating channel 11, a middle heating channel 12, a lower heating channel 13, and a heat exchange channel 14, and the upper heating channel 11, the heating channel, the lower heating channel 13, and the heat exchange channel 14 are sequentially and circularly arranged. The upper heating channel 11 is in communication with the lower heating channel 13, the first liquid inlet 61, and the first liquid outlet 62. The heat exchange channel 14 is in communication with the second liquid inlet 63 and the second liquid outlet 64, and is used for heating the liquid in the adjacent upper heating channel 11 and lower heating channel 13. The metal-plated heating plate 7 is arranged in the middle heating channel 12 and is used for heating the liquid in the upper heating channel 11 and the lower heating channel 13.

[0025] The metal-plated heating plate 7 comprises a metal base plate and a metal plating layer arranged on the surface of the metal base plate, and the metal plating layer forms a resistance wire to realize electric heating. The metal-plated heating plate 7 is a mature product, and thus is not described in detail.

[0026] The heat exchanger body comprises a first shell 2, a second shell 3, a third shell 4 and a fourth shell 5 arranged in sequence from top to bottom, and a heat exchanger base 8 arranged at the bottom of the heat exchanger body. The first shell 2 and the second shell 3 form an upper heating channel 11, the second shell 3 and the third shell 4 form a middle heating channel 12, the third shell 4 and the fourth shell 5 form a lower heating channel 13, and the fourth shell 5 and the first shell 2 below form a heat exchange channel 14.

[0027] The metal-plated heating plate 7 is provided with four metal-plated heating plates, and the heat exchanger base 8 is arranged below the fourth metal-plated heating plate 7, that is, below the third shell 4 of the lowest group.

[0028] The first shell 2 is provided with a first upper boss 21, a second upper boss 22, a third upper boss 23 and a fourth upper boss 24 protruding towards the top of the first shell 2 and each provided with a through hole; the second shell 3 is provided with a first middle boss 31, a second middle boss 32, a third middle boss 33 and a fourth middle boss 34 protruding towards the inside of the second shell 3 and each provided with a through hole, and the second shell 3 is further provided with a second heating boss 35 protruding towards the inside of the second shell 3,

[0029] The second shell 3 is provided with a second heating groove 36 communicated with the interior of the second shell 3; the third shell 4 is provided with a first lower boss 41, a second lower boss 42, a third lower boss 43 and a fourth lower boss 44 protruding to the top of the third shell 4 and each provided with a through hole, and the third shell 4 is further provided with a third heating boss 45 protruding to the top of the third shell 4; the fourth shell 5 is provided with a third connecting boss 53 and a fourth connecting boss 54 protruding to the top of the fourth shell 5 and each provided with a through hole, and the top of the fourth shell 5 is further provided with a first connecting boss 51 and a second connecting boss 52 protruding to the interior of the fourth shell 5 and each provided with a through hole; wherein the third upper boss 23 and the fourth upper boss 24 of the first shell 2 are connected with the third middle boss 33 and the fourth middle boss 34 of the second shell 3 through the communicating pipe 9; the first middle boss 31, the second middle boss 32, the third middle boss 33 and the fourth middle boss 34 of the second shell 3 are connected with the first lower boss 41, the second lower boss 42, the third lower boss 43 and the fourth lower boss 44 of the third shell 4 respectively; the third lower boss 43 and the fourth lower boss 44 of the third shell 4 are connected with the third connecting boss 53 and the fourth connecting boss 54 of the fourth shell 5; the first connecting boss 51 and the second connecting boss 52 of the fourth shell 5 are connected with the first upper boss 21 and the second upper boss 22 of the adjacent first shell 2; the metal plated heating plate 7 is inserted into the second heating groove 36 and the two ends are respectively abutted on the third heating boss 45 and the third heating boss 45.

[0030] The same side of the first shell 2, the second shell 3, the third shell 4 and the fourth shell 5 is respectively provided with a first error-proof boss 20, a second error-proof boss 30, a third error-proof boss 40 and a fourth error-proof boss 50. The error-proof boss can ensure that the first shell 2, the second shell 3, the third shell 4 and the fourth shell 5 are accurately assembled together.

[0031] The sealing ring is arranged between the heat exchange base 8 and the third lower boss 43 and the fourth lower boss 44 of the third shell 4 to realize the isolation of the heat exchange channel and the heating channel, or the third lower boss 43 and the fourth lower boss 44 of the third shell 4 adjacent to the heat exchange base 8 are not provided with through holes.

[0032] In the case that the heat energy provided by the heat exchanger is not enough, the metal plated heating plate 7 is powered to heat, and the metal plated heating plate 7 heats the liquid in the upper heating channel 11 and the lower heating channel 13. This structure can fully absorb the heat of the metal plated heating plate 7 and improve the efficiency of heat exchange.

[0033] The technical principles of the present application are described above in combination with specific embodiments. These descriptions are only for explaining the principles of the present application, and cannot be interpreted as limiting the protection scope of the present application in any way. Based on the explanations herein, other specific embodiments of the present application can be conceived by those skilled in the art without creative efforts, and these embodiments will all fall within the protection scope of the claims of the present application.

Claims

1. A heat exchanger for a new energy vehicle, characterized in that, The heat exchanger body comprises a first liquid inlet (61), a first liquid outlet (62), a second liquid inlet (63) and a second liquid outlet (64) arranged at the top of the heat exchanger body; the inside of the heat exchanger body is sequentially provided from top to bottom with an upper heating channel (11), a middle heating channel (12), a lower heating channel (13) and a heat exchange channel (14), and the upper heating channel (11), the middle heating channel (12), the lower heating channel (13) and the heat exchange channel (14) are sequentially arranged in cycles, wherein the upper heating channel (11) is communicated with the lower heating channel (13), the first liquid inlet (61) and the first liquid outlet (62); the heat exchange channel (14) is communicated with the second liquid inlet (63) and the second liquid outlet (64), and the heat exchange channel (14) is used for heating the liquid in the adjacent upper heating channel (11) and lower heating channel (13); and A metal-plated heating plate (7) is arranged in the middle heating channel (12) and used for heating the liquid in the upper heating channel (11) and the lower heating channel (13). The heat exchanger body comprises a first shell (2), a second shell (3), a third shell (4) and a fourth shell (5) sequentially arranged in cycles from top to bottom, and a heat exchange base (8) arranged at the bottom of the heat exchanger body, wherein the first shell (2) and the second shell (3) form the upper heating channel (11), the second shell (3) and the third shell (4) form the middle heating channel (12), the third shell (4) and the fourth shell (5) form the lower heating channel (13), and the fourth shell (5) and the first shell (2) below form the heat exchange channel (14).

2. The heat exchanger for a new energy vehicle according to claim 1, wherein, The first shell (2) is provided with a first upper boss (21), a second upper boss (22), a third upper boss (23) and a fourth upper boss (24) protruding towards the top of the first shell (2) and each provided with a through hole; 3. The heat exchanger for a new energy vehicle according to claim 2, wherein, The second shell (3) is provided with a first middle boss (31), a second middle boss (32), a third middle boss (33) and a fourth middle boss (34) protruding towards the inside of the second shell (3) and each provided with a through hole, and the second shell (3) is further provided with a second heating boss (35) protruding towards the inside of the second shell (3), and one side of the second shell (3) is provided with a second heating groove (36) communicated with the inside of the second shell (3); The third shell (4) is provided with a first lower boss (41), a second lower boss (42), a third lower boss (43) and a fourth lower boss (44) protruding towards the top of the third shell (4) and each provided with a through hole, and the third shell (4) is further provided with a third heating boss (45) protruding towards the top of the third shell (4); ​ The fourth shell (5) is provided with a third connecting protrusion (53) and a fourth connecting protrusion (54) protruding from the top of the fourth shell (5) and each provided with a through hole, and the top of the fourth shell (5) is further provided with a first connecting protrusion (51) and a second connecting protrusion (52) protruding from the inside of the fourth shell (5) and each provided with a through hole; The third upper boss (23) and the fourth upper boss (24) of the first shell (2) are connected with the third middle boss (33) and the fourth middle boss (34) of the second shell (3) through the communication pipe (9); The first middle boss (31), the second middle boss (32), the third middle boss (33) and the fourth middle boss (34) of the second shell (3) are respectively connected with the first lower boss (41), the second lower boss (42), the third lower boss (43) and the fourth lower boss (44) of the third shell (4); The third lower boss (43) and the fourth lower boss (44) of the third shell (4) are connected with the third connecting protrusion (53) and the fourth connecting protrusion (54) of the fourth shell (5); The first connecting protrusion (51) and the second connecting protrusion (52) of the fourth shell (5) are connected with the first upper boss (21) and the second upper boss (22) of the adjacent first shell (2); The metal plated heating plate (7) is inserted into the second heating groove (36) and the two ends are respectively abutted against the third heating boss (45) and the third heating boss (45).

4. The heat exchanger for a new energy vehicle according to claim 2, characterized in that, The same side of the first shell (2), the second shell (3), the third shell (4) and the fourth shell (5) is respectively provided with a first error-proof protrusion (20), a second error-proof protrusion (30), a third error-proof protrusion (40) and a fourth error-proof protrusion (50).

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