Vehicle-mounted cold and warm box air duct structure

Abstract

The utility model provides a vehicle-mounted cold and warm box air duct structure which comprises a cold and warm box body provided with a storage cavity, a semiconductor chip is arranged in the cold and warm box body, the side, facing the storage cavity, of the semiconductor chip is connected with an inner circulation heat conduction block, and the side wall of the storage cavity is provided with an inner air duct inlet and an inner air duct outlet. An inner circulating fan is arranged at the position, corresponding to the inlet of the inner air duct, on the outer side wall of the storage cavity; the side, away from the storage cavity, of the semiconductor chip is connected with an outer circulation radiator, an outer circulation fan is arranged on the side, close to the outer circulation radiator, in the cooling and heating box body, outer circulation inlets are formed in the positions, close to the two sides of the outer circulation radiator, of the cooling and heating box body, and outer circulation outlets are formed in the positions, corresponding to the outer circulation fan, of the cooling and heating box body. The vehicle-mounted refrigerating and heating box solves the problems that an existing vehicle-mounted refrigerating and heating box is poor in refrigerating effect and poor in temperature uniformity.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile air conditioning systems, in particular to an air duct structure of a vehicle-mounted cooling and heating box. Background Art

[0002] At present, many car heating and cooling boxes on the market are not designed with air duct systems, and the air temperature uniformity in the heating and cooling boxes is poor; some car heating and cooling boxes are only equipped with a single air duct structure, but the structural design of the single air duct is not reasonable, so that the air circulation in the heating and cooling box system still has problems, and the ideal effect cannot be achieved, thus affecting the customer experience. Therefore, a new air duct structure of a car heating and cooling box is needed. Utility Model Content

[0003] The utility model aims to provide an air duct structure for a vehicle-mounted cold and warm box, so as to solve the problems of poor refrigeration effect and poor temperature uniformity of the existing vehicle-mounted cold and warm boxes.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A vehicle-mounted cold and warm box air duct structure comprises a cold and warm box body provided with a storage cavity, a semiconductor chip is provided in the cold and warm box body, an inner circulation heat conductive block is connected to the side of the semiconductor chip facing the storage cavity, an inner duct inlet and an inner duct outlet are respectively provided on the side walls of the storage cavity, and the inner circulation air flows through the inner duct inlet, the inner circulation heat conductive block, and the inner duct outlet in sequence, and an inner circulation fan is provided on the outer side wall of the storage cavity at a position corresponding to the inner duct inlet;

[0006] The semiconductor chip is connected to an external circulation radiator on the side away from the storage cavity, an external circulation fan is arranged on the side of the heating and cooling box close to the external circulation radiator, external circulation inlets are arranged on the heating and cooling box close to both sides of the external circulation radiator, and external circulation outlets are arranged on the heating and cooling box at positions corresponding to the external circulation fans.

[0007] Furthermore, the semiconductor chip is arranged in the cold and warm box body in front of the storage cavity.

[0008] Furthermore, the inner circulation heat conduction block is provided with vertical heat conduction fins, and the inner air duct outlet and the inner air duct inlet are respectively located at the upper and lower sides of the inner circulation heat conduction block.

[0009] Furthermore, the external circulation radiator is provided with transverse heat conducting fins, and the external circulation inlet is arranged on the cold and warm box body at positions corresponding to the left and right sides of the external circulation radiator.

[0010] Furthermore, an air guide hood is provided on the cooling and heating box body, and the air guide hood is provided on the external circulation radiator and the external circulation fan. An air guide inlet groove and an air guide outlet groove are opened on the air guide hood. The air guide inlet groove is close to the external circulation inlet, and the air guide outlet groove corresponds to the external circulation outlet.

[0011] Furthermore, the air guide inlet slots are arranged on the left and right sides of the air guide cover, respectively close to the left and right sides of the external circulation radiator.

[0012] Furthermore, the air guide outlet slot is arranged at the front side of the air guide cover and corresponds to the external circulation fan.

[0013] Furthermore, a heat-insulating layer is provided outside the storage cavity.

[0014] The beneficial effects of the utility model are as follows: the utility model improves the cooling effect of the cold and warm box by arranging internal and external air circulation structures in the cold and warm box and by reasonable air duct structure design, which can effectively solve the problems of poor cooling effect and poor temperature uniformity of existing vehicle-mounted cold and warm boxes, thereby optimizing the customer experience.

[0015] The present invention will be described in more detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a structural diagram of a vehicle-mounted cooling and heating box.

[0017] Figure 2 It is an axial cross-sectional view of an air duct structure of a vehicle-mounted cooling and heating box according to the utility model.

[0018] Figure 3 This is a cross-sectional view of the air duct structure of a vehicle-mounted cooling and heating box of the utility model.

[0019] Figure 4 This is a schematic diagram of the internal air circulation in the utility model.

[0020] Figure 5 This is a structural diagram of the air guide cover assembly in the utility model. DETAILED DESCRIPTION

[0021] like Figures 1 to 4The air duct structure of a vehicle-mounted cold and warm box shown in the figure comprises a cold and warm box body 10 provided with a storage cavity 1, a semiconductor chip 3 is provided in the cold and warm box body 10, an inner circulation heat conductive block 4 is fixedly attached to the side of the semiconductor chip 3 facing the storage cavity 1, an inner duct inlet 11 and an inner duct outlet 12 are respectively provided on the side walls of the storage cavity 1, and the inner circulation air flows through the inner duct inlet 11, the inner circulation heat conductive block 4, and the inner duct outlet 12 in sequence, and an inner circulation fan 2 is provided on the outer side wall of the storage cavity 1 at a position corresponding to the inner duct inlet 11, so as to form an inner circulation scheme;

[0022] The semiconductor chip 3 is fixedly attached to the side away from the storage cavity 1 with an external circulation radiator 5, the cooling and heating box 10 is provided with an external circulation fan 6 on the side close to the external circulation radiator 5, the cooling and heating box 10 is provided with an external circulation inlet 101 at the position close to both sides of the external circulation radiator 5, and the cooling and heating box 10 is provided with an external circulation outlet 102 at the position corresponding to the external circulation fan 6, forming an external circulation scheme. The external circulation inlet 101 and the external circulation outlet 102 are both designed with grilles, and the wind flow is directed toward the non-user seating position, which can effectively solve the problem of direct wind flow.

[0023] Preferably, in combination with the above solution, in order to facilitate the structural design and the arrangement of internal and external temperature cycles, the semiconductor chip 3 is arranged in the cold and warm box 10 in front of the storage cavity 1.

[0024] Preferably, in combination with the above solution, in order to achieve better air flow in the inner circulation duct, Figure 4 As shown, the inner circulation heat conducting block 4 is provided with vertical heat conducting fins, and the inner air duct outlet 12 and the inner air duct inlet 11 are respectively located at the upper and lower sides of the inner circulation heat conducting block 4. Air can enter from the inner air duct inlet 11, flow through the vertical heat conducting fins, and then flow out from the inner air duct outlet 12.

[0025] Preferably, in combination with the above solution, in order to achieve better external circulation air flow, the external circulation radiator 5 is provided with transverse heat conducting fins, and the external circulation inlet 101 is provided on the cooling and heating box 10 at positions corresponding to the left and right sides of the external circulation radiator 5. Air can enter from the external circulation inlet 101 on both sides of the cooling and heating box 10, flow through the transverse heat conducting fins, and then the heat is discharged from the inner air duct outlet 12.

[0026] Preferably, in combination with the above scheme, in order to achieve a better air duct design, an air guide cover 7 is provided on the heating and cooling box 10, and the air guide cover 7 is provided on the external circulation radiator 5 and the external circulation fan 6. The air guide cover 7 is provided with an air guide inlet groove 71 and an air guide outlet groove 72. The air guide inlet groove 71 is close to the external circulation inlet 101, and the air guide outlet groove 72 corresponds to the external circulation outlet 102.

[0027] Preferably, in combination with the above solution, in order to facilitate air intake on the left and right sides, the air guide inlet slots 71 are arranged on the left and right sides of the air guide cover 7, close to the left and right sides of the external circulation radiator 5 respectively.

[0028] Preferably, in combination with the above solution, in order to facilitate the discharge of hot air, the air guide outlet slot 72 is arranged on the front side of the air guide cover 7 and corresponds to the external circulation fan 6.

[0029] Preferably, in combination with the above solution, in order to achieve a better heat preservation effect, a heat preservation layer 8 is provided outside the storage cavity 1. After the inner liner and the outer shell of the cold and warm box 10 are assembled, the heat preservation layer 8 made of PU material can be poured.

[0030] The principle of the utility model: when the semiconductor chip 3 is refrigerated, the temperature of the internal circulation heat conduction block 4 decreases, the temperature of the external circulation radiator 5 increases, and the internal circulation fan 2 and the external circulation fan 6 are turned on at the same time. At this time, the hot air in the storage cavity 1 enters from the internal air duct inlet 11, flows through the vertical fin gap of the internal circulation heat conduction block 4, and then the cold air enters the storage cavity 1 from the internal air duct outlet 12, realizing internal circulation cooling;

[0031] At the same time, outside air can enter from the external circulation inlet 101 on both sides of the cooling and heating box 10, flow through the gaps between the transverse heat-conducting fins of the external circulation radiator 5, and the external circulation fan 6 takes away the heat on the transverse heat-conducting fins and discharges it from the internal air duct outlet 12.

[0032] In the description of the present invention, it should be understood that terms such as "upper", "lower", "front", "back", "left", "right", "bottom", "inside", "outside", "one end", "one side", "two ends", "both sides", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do 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 should not be understood as a limitation on the present invention.

[0033] The utility model is described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the utility model, or they are directly applied to other occasions, they all fall within the protection scope of the utility model.

Claims

1. A vehicle-mounted cooling and heating box air duct structure, comprising a cooling and heating box body (10) provided with a storage cavity (1), characterized in that: A semiconductor chip (3) is arranged in the cooling and heating box (10); an inner circulation heat conductive block (4) is connected to the side of the semiconductor chip (3) facing the storage cavity (1); an inner air duct inlet (11) and an inner air duct outlet (12) are respectively arranged on the side walls of the storage cavity (1); the inner circulation air flows through the inner air duct inlet (11), the inner circulation heat conductive block (4), and the inner air duct outlet (12) in sequence; an inner circulation fan (2) is arranged on the outer wall of the storage cavity (1) at a position corresponding to the inner air duct inlet (11); The side of the semiconductor chip (3) away from the storage cavity (1) is connected to an external circulation radiator (5), and the side of the heating and cooling box (10) close to the external circulation radiator (5) is provided with an external circulation fan (6). The heating and cooling box (10) is provided with external circulation inlets (101) at positions close to both sides of the external circulation radiator (5), and the heating and cooling box (10) is provided with external circulation outlets (102) at positions corresponding to the external circulation fans (6).

2. The vehicle-mounted cooling and heating box air duct structure according to claim 1 is characterized in that: The semiconductor chip (3) is arranged in the cooling and heating box (10) at a position in front of the storage cavity (1).

3. The vehicle-mounted cooling and heating box air duct structure according to claim 1 is characterized in that: The inner circulation heat conducting block (4) is provided with vertical heat conducting fins, and the inner air duct outlet (12) and the inner air duct inlet (11) are respectively located on the upper and lower sides of the inner circulation heat conducting block (4).

4. The vehicle-mounted cooling and heating box air duct structure according to claim 1 is characterized in that: The external circulation radiator (5) is provided with transverse heat conducting fins, and the external circulation inlet (101) is arranged on the cooling and heating box (10) at positions corresponding to the left and right sides of the external circulation radiator (5).

5. The vehicle-mounted cooling and heating box air duct structure according to claim 1 is characterized in that: The cooling and heating box (10) is provided with an air guide cover (7), and the air guide cover (7) is provided on the external circulation radiator (5) and the external circulation fan (6). The air guide cover (7) is provided with an air guide inlet groove (71) and an air guide outlet groove (72), and the air guide inlet groove (71) is close to the external circulation inlet (101), and the air guide outlet groove (72) corresponds to the external circulation outlet (102).

6. The vehicle-mounted cooling and heating box air duct structure according to claim 5 is characterized in that: The air guide inlet groove (71) is arranged on the left and right sides of the air guide cover (7), respectively close to the left and right sides of the external circulation radiator (5).

7. The vehicle-mounted cooling and heating box air duct structure according to claim 5 is characterized in that: The air guide outlet slot (72) is arranged on the front side of the air guide cover (7) and corresponds to the external circulation fan (6).

8. The vehicle-mounted cooling and heating box air duct structure according to claim 1 is characterized in that: A heat-insulating layer (8) is provided outside the storage cavity (1).

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