Heat exchanger for vehicle

Abstract

The utility model relates to the technical field of vehicle heat exchangers, in particular to a vehicle heat exchanger. The vehicle heat exchanger comprises a heat exchange body, a flow guide pipe set and a plurality of heating units. The heat exchange body comprises a plurality of flow channel units which are sequentially arranged in a stacked mode, each flow channel unit is provided with a heat exchange flow channel, and the heat exchange flow channels of the adjacent flow channel units communicate with one another. The flow guide pipe set is connected with one flow channel unit and communicates with all the heat exchange flow channels. And at least one heating unit is arranged between any two adjacent runner units. According to the heat exchanger for the vehicle, the mode that the runner units are arranged in a stacked mode is adopted, so that the flowing smoothness of fluid can be improved, and then the heat exchange efficiency is improved; meanwhile, the structural arrangement of a water chamber is omitted, so that the overall structure can be simplified, the size of the overall structure is reduced, and the use and manufacturing cost can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle heat exchangers, and in particular to a vehicle heat exchanger. Background Art

[0002] At present, in vehicle water heaters, most of them adopt the method of fitting the heating element with the flow channel, and when configuring the flow channel, a structural setting method combining a flat tube and a water chamber is adopted. Such a structural setting has a low fluid flow smoothness, and the water chamber is relatively located at both ends of the flat tube, resulting in a lower volume of the overall structure. Utility Model Content

[0003] The purpose of the utility model is to provide a vehicle heat exchanger, which adopts a stacked flow channel unit arrangement method, thereby improving the smoothness of fluid flow and thus improving the efficiency of heat exchange; at the same time, since the structural arrangement of the water chamber is eliminated, the overall structure can be simplified and the volume of the overall structure can be reduced, thereby reducing the cost of use and production.

[0004] The embodiment of the utility model is achieved as follows:

[0005] The utility model provides a vehicle heat exchanger, which comprises a heat exchange body, a flow guide pipe group and a plurality of heating units;

[0006] The heat exchange body includes a plurality of flow channel units, which are stacked in sequence, and each flow channel unit is equipped with a heat exchange flow channel, and the heat exchange flow channels of adjacent flow channel units are connected; the guide pipe group is connected to one of the flow channel units and is connected to all the heat exchange flow channels; at least one heating unit is arranged between any two adjacent flow channel units.

[0007] In an optional embodiment, a heating unit is disposed between any two adjacent flow channel units, and opposite sides of any two adjacent flow channel units are in surface contact with the heating unit at the same time.

[0008] In an optional embodiment, each flow channel unit includes a forming plate and an internal fin group;

[0009] The forming plate is formed with an inner cavity, and the inner fin group is accommodated in the inner cavity to form a heat exchange flow channel.

[0010] In an optional embodiment, the inner fin group includes a first heat exchange fin, a second heat exchange fin and a third heat exchange fin;

[0011] The first heat exchange fin, the second heat exchange fin and the third heat exchange fin are used to form a first heat exchange sub-channel, a second heat exchange sub-channel and a third heat exchange sub-channel respectively, and the first heat exchange sub-channel, the second heat exchange sub-channel and the third heat exchange sub-channel are connected in sequence to form a heat exchange channel.

[0012] In an optional embodiment, the wave heights of the first heat exchange fins, the second heat exchange fins, and the third heat exchange fins are 2.7 mm-4.7 mm.

[0013] In an optional embodiment, the wave pitch of the first heat exchange fin, the second heat exchange fin and the third heat exchange fin is 3.6 mm-5.4 mm.

[0014] In an optional embodiment, the first heat exchange sub-channel and the third heat exchange sub-channel are arranged in parallel.

[0015] In an optional embodiment, the flow guide tube set includes a first conduit and a second conduit;

[0016] One end of the first heat exchange sub-channel and the third heat exchange sub-channel away from the second heat exchange sub-channel is communicated with the first conduit and the second conduit respectively.

[0017] In an optional embodiment, each flow channel unit includes a partition disposed in the inner cavity, the partition separates the inner cavity into a first partition and a second partition, and the first heat exchange fin and the third heat exchange fin are respectively accommodated in the first partition and the second partition.

[0018] In an optional embodiment, the first conduit and the second conduit are communicated with the first partition and the second partition respectively.

[0019] The beneficial effects of the embodiments of the utility model include:

[0020] The vehicle heat exchanger includes a heat exchange body, a flow guide tube group and a plurality of heating units; the heat exchange body includes a plurality of flow channel units, the plurality of flow channel units are stacked in sequence, and each flow channel unit is provided with a heat exchange flow channel, and the heat exchange flow channels of adjacent flow channel units are connected; the flow guide tube group is connected to one of the flow channel units and is connected to all the heat exchange flow channels; at least one heating unit is arranged between any two adjacent flow channel units. The vehicle heat exchanger adopts a stacked flow channel unit arrangement, thereby improving the smoothness of the fluid flow and thus improving the efficiency of heat exchange; at the same time, since the structural arrangement of the water chamber is cancelled, the overall structure can be simplified and the volume of the overall structure can be reduced, thereby reducing the cost of use and production. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 This is a schematic diagram of the structure of a vehicle heat exchanger in an embodiment of the utility model;

[0023] Figure 2 It is a schematic diagram of stacking of the heat exchange body and the heating unit in the embodiment of the utility model;

[0024] Figure 3 It is a structural schematic diagram of the forming plate and the inner fin group from a first perspective in an embodiment of the utility model;

[0025] Figure 4 It is a structural schematic diagram of the forming plate and the inner fin group from a second viewing angle in an embodiment of the utility model;

[0026] Figure 5 It is a cross-sectional view of the forming plate and the inner fin group in the embodiment of the utility model.

[0027] Icons: 200-vehicle heat exchanger; 210-heat exchange body; 220-flow guide tube group; 230-heating unit; 211-flow channel unit; 212-heat exchange flow channel; 213-molding plate; 214-inner fin group; 215-inner cavity; 216-first heat exchange fin; 217-second heat exchange fin; 218-third heat exchange fin; 219-partition; 221-first conduit; 222-second conduit; 241-first partition; 242-second partition. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0029] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0031] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0032] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0033] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] Please refer to Figure 1 and Figure 2 , this embodiment provides a vehicle heat exchanger 200, the vehicle heat exchanger 200 includes a heat exchange body 210, a flow guide pipe group 220 and a plurality of heating units 230;

[0035] The heat exchange body 210 includes a plurality of flow channel units 211, which are stacked in sequence, and each flow channel unit 211 is provided with a heat exchange flow channel 212, and the heat exchange flow channels 212 of adjacent flow channel units 211 are connected; the guide tube group 220 is connected to one of the flow channel units 211 and is connected to all the heat exchange flow channels 212; at least one heating unit 230 is arranged between any two adjacent flow channel units 211.

[0036] Please refer to Figure 1 and Figure 2 The working principle of the vehicle heat exchanger 200 is:

[0037] The vehicle heat exchanger 200 includes a heat exchange body 210, a guide tube group 220 and a plurality of heating units 230; wherein the heat exchange body 210 includes a plurality of flow channel units 211, the plurality of flow channel units 211 are stacked in sequence, and each flow channel unit 211 is provided with a heat exchange flow channel 212, and the heat exchange flow channels 212 of adjacent flow channel units 211 are connected; thus, through such a setting, the fluid can flow in the plurality of heat exchange flow channels 212, and compared with the existing structure, the water chamber structure is omitted, so that the heat exchange efficiency of the heating unit 230 between the fluid and the flow channel unit 211 can be improved while improving the smoothness of the fluid flow channel, and after the heat exchange is completed, the fluid is discharged by the guide tube group 220;

[0038] In summary, the vehicle heat exchanger 200 adopts a stacked arrangement of the flow channel unit 211, which can improve the smoothness of the flow of the fluid and thus improve the efficiency of heat exchange; at the same time, since the structural arrangement of the water chamber is eliminated, the overall structure can be simplified and the volume of the overall structure can be reduced, thereby reducing the cost of use and production.

[0039] Please note that, please refer to Figure 1 and Figure 2 In this embodiment, the heat exchange body 210 includes a plurality of flow channel units 211, and this embodiment is described by taking the structural setting of two adjacent flow channel units 211 and the heating unit 230 located therebetween as an example. Since it is a stacked setting, the remaining flow channel units 211 are the same as the aforementioned method, so the setting method of the remaining flow channel units 211 will not be repeated here.

[0040] Please refer to Figure 1 and Figure 2 When the flow guide tube group 220 is configured, its function is to introduce the fluid to be heat exchanged into the heat exchange flow channels 212 of the plurality of flow channel units 211, and also to export the fluid after heat exchange with the heating unit 230. Based on this, the flow guide tube in this embodiment includes a first conduit 221 and a second conduit 222, and one of the first conduit 221 and the second conduit 222 is used for introducing the fluid, and the other is used for exporting the fluid; in addition, since each flow channel unit 211 is configured with a heat exchange flow channel 212, and along the extension direction of the heat exchange flow channel 212, both ends of each heat exchange flow channel 212 are respectively an inlet and an outlet, wherein the inlet is used for introducing the fluid into the heat exchange flow channel 212, and the outlet is used for exporting the fluid in the heat exchange flow channel 212, thereby, all the aforementioned inlets are connected with the conduits for introducing the fluid in the first conduit 221 and the second conduit 222, and all the outlets are connected with the conduits for exporting the fluid in the first conduit 221 and the second conduit 222.

[0041] For further information, please refer to Figure 1and Figure 2 As can be seen from the above content, in this embodiment, when configuring the heating unit 230, at least one heating unit 230 is configured between any two adjacent flow channel units 211. The purpose of such a configuration is to enable the vehicle heat exchanger 200 to adjust the number of heating units 230 between any two adjacent flow channel units 211 according to the use requirements, so as to meet the heating requirements in different scenarios. In this embodiment, a heating unit 230 is configured between two adjacent flow channel units 211 as an example for explanation. Specifically, a heating unit 230 is configured between any two adjacent flow channel units 211, and the opposite sides of any two adjacent flow channel units 211 are in surface contact with the heating unit 230 at the same time; it should be noted that under this condition, one heating unit 230 can be in contact with the opposite side of two adjacent flow channel units 211, and then the fluids in the two flow channel units 211 can be heat exchanged at the same time through one heating unit 230.

[0042] For further information, please refer to Figure 1-Figure 4 In this embodiment, when configuring the flow channel unit 211, each flow channel unit 211 includes a forming plate 213 and an inner fin group 214; the forming plate 213 is formed with an inner cavity 215, and the inner fin group 214 is accommodated in the inner cavity 215 to form a heat exchange flow channel 212. Through such a setting, the purpose is to improve the smoothness of the fluid in the heat exchange flow channel 212, and at the same time, the length of the heat exchange flow channel 212 can be extended without changing the size of the forming plate 213, thereby increasing the time for the fluid in a single heat exchange flow channel 212 to exchange heat with the heating unit 230.

[0043] When configuring the inner fin group 214, the present embodiment adopts the inner fin group 214 including the first heat exchange fin 216, the second heat exchange fin 217 and the third heat exchange fin 218; the first heat exchange fin 216, the second heat exchange fin 217 and the third heat exchange fin 218 are used to form the first heat exchange sub-channel, the second heat exchange sub-channel and the third heat exchange sub-channel respectively, and the first heat exchange sub-channel, the second heat exchange sub-channel and the third heat exchange sub-channel are connected in sequence to form the heat exchange channel 212.

[0044] Moreover, based on the structure of the above-mentioned first heat exchange fin 216, the second heat exchange fin 217 and the third heat exchange fin 218, the first heat exchange sub-channel and the third heat exchange sub-channel are arranged in parallel, and because the guide pipe group 220 includes a first conduit 221 and a second conduit 222; the ends of the first heat exchange sub-channel and the third heat exchange sub-channel away from the second heat exchange sub-channel are respectively connected to the first conduit 221 and the second conduit 222, and then through such an arrangement, a circulating heat exchange passage can be formed after the first conduit 221 and the second conduit 222 are connected to the external pipeline.

[0045] For further information, please refer to Figure 1-Figure 5 On the basis of the above structure, when configuring the inner fin group 214, the size of the inner fin group 214 can be adjusted to improve the fluidity of the fluid in the heat exchange flow channel 212. For details, please refer to Figure 5 , Figure 5 for Figure 4 The cross-sectional view of the forming plate 213 and the inner fin group 214 along the AA direction, in this embodiment, the wave height (such as Figure 5 The wave pitch of the inner fin group 214 (as shown in the mark C) is set to 2.7mm-4.7mm, and the wave pitch of the inner fin group 214 (as shown in the mark C) is set to 2.7mm-4.7mm. Figure 5 The wave height of the first heat exchange fin 216, the second heat exchange fin 217 and the third heat exchange fin 218 is 2.7mm-4.7mm, and the wave pitch of the first heat exchange fin 216, the second heat exchange fin 217 and the third heat exchange fin 218 is 3.6mm-5.4mm. This arrangement can maximize the heat exchange capacity of the fluid and reduce the flow resistance during the flow of the fluid while reducing the size of the overall structure, thereby optimizing the flow of the fluid in the heat exchange channel 212.

[0046] It should be noted that, in the present embodiment, the aforementioned wave height is set to 2.7mm-4.7mm, and the wave pitch is set to 3.6mm-5.4mm. This is based on the fact that the length and width dimensions of the forming plate 213 do not exceed 130*160mm, the flow rate of the circulating medium is 10L / min, and the temperature is 60°C. While ensuring that the heat dissipation of the flow channel is greater than the heat generated by the heating element, different specifications of the inner fin group 214 are used for testing, and finally it is obtained that the fins designed according to the fin wave height range: 2.7~4.7mm, and the wave pitch range 3.6~5.4mm have the highest cost-effectiveness, that is, the product has the largest heat exchange capacity and the optimal flow resistance per unit weight.

[0047] For further information, please refer to Figure 1-Figure 5In this embodiment, in order to avoid the cross flow between the first heat exchange sub-channel and the third heat exchange sub-channel in the forming plate 213, each channel unit 211 includes a partition 219 disposed in the inner cavity 215, and the partition 219 separates the inner cavity 215 into a first partition 241 and a second partition 242, and the first heat exchange fin 216 and the third heat exchange fin 218 are respectively accommodated in the first partition 241 and the second partition 242. The first conduit 221 and the second conduit 222 are respectively connected to the first partition 241 and the second partition 242. That is, by arranging a partition 219 in each molding plate 213, the partition 219 is used to separate the first partition 241 and the second partition 242 in the inner cavity 215, and the first heat exchange fin 216 and the third heat exchange fin 218 are respectively accommodated in the first partition 241 and the second partition 242; and the first conduit 221 and the second conduit 222 are respectively connected to the first partition 241 and the second partition 242. That is, by arranging the partition 219, it is possible to avoid cross flow between the first heat exchange sub-channel and the third heat exchange sub-channel, and to avoid cross flow between the first conduit 221 and the second conduit 222.

[0048] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A vehicle heat exchanger, characterized in that: The vehicle heat exchanger comprises a heat exchange body, a flow guide pipe group and a plurality of heating units; The heat exchange body includes a plurality of flow channel units, which are stacked in sequence, and each of the flow channel units is configured with a heat exchange flow channel, and the heat exchange flow channels of adjacent flow channel units are connected; the flow guide tube group is connected to one of the flow channel units and is connected to all of the heat exchange flow channels; and at least one heating unit is configured between any two adjacent flow channel units.

2. The vehicle heat exchanger according to claim 1, characterized in that: A heating unit is disposed between any two adjacent flow channel units, and opposite sides of any two adjacent flow channel units are in surface contact with the heating unit at the same time.

3. The vehicle heat exchanger according to claim 1, characterized in that: Each of the flow channel units includes a forming plate and an inner fin group; The forming plate is formed with an inner cavity, and the inner fin group is accommodated in the inner cavity to form the heat exchange flow channel.

4. The vehicle heat exchanger according to claim 3, characterized in that: The inner fin group includes a first heat exchange fin, a second heat exchange fin and a third heat exchange fin; The first heat exchange fin, the second heat exchange fin and the third heat exchange fin are used to form a first heat exchange sub-channel, a second heat exchange sub-channel and a third heat exchange sub-channel respectively, and the first heat exchange sub-channel, the second heat exchange sub-channel and the third heat exchange sub-channel are connected in sequence to form the heat exchange channel.

5. The vehicle heat exchanger according to claim 4, characterized in that: The wave heights of the first heat exchange fins, the second heat exchange fins, and the third heat exchange fins are 2.7 mm to 4.7 mm.

6. The vehicle heat exchanger according to claim 5, characterized in that: The wave pitch of the first heat exchange fin, the second heat exchange fin and the third heat exchange fin is 3.6 mm-5.4 mm.

7. The vehicle heat exchanger according to claim 4, characterized in that: The first heat exchange sub-channel and the third heat exchange sub-channel are arranged in parallel.

8. The vehicle heat exchanger according to claim 7, characterized in that: The flow guide tube set includes a first conduit and a second conduit; Ends of the first heat exchange sub-channel and the third heat exchange sub-channel away from the second heat exchange sub-channel are respectively connected to the first conduit and the second conduit.

9. The vehicle heat exchanger according to claim 8, characterized in that: Each of the flow channel units includes a partition disposed in the inner cavity, the partition separates a first partition and a second partition in the inner cavity, and the first heat exchange fin and the third heat exchange fin are respectively accommodated in the first partition and the second partition.

10. The vehicle heat exchanger according to claim 9, characterized in that: The first conduit and the second conduit are communicated with the first partition and the second partition, respectively.

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