Lower exhaust structure of new energy vehicle-mounted refrigerator condenser heat dissipation system

Abstract

The utility model relates to a lower exhaust structure of a new energy vehicle-mounted refrigerator condenser heat dissipation system, which comprises an exhaust duct arranged on a machine room and communicated with outside air, and a heat dissipation fan and a refrigeration device arranged on the exhaust duct, and the heat dissipation fan is started and drives the outside air to dissipate heat to the refrigeration device of the exhaust duct. And external air enters and is exhausted out of the exhaust duct from top to bottom. The cooling fan is started to drive the airflow to flow in the exhaust duct from top to bottom and take away heat of the refrigeration device in the exhaust duct, so that the refrigeration device is in a normal working temperature range, operation is more stable, two fans are not needed, and the production cost is low.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy vehicle-mounted refrigerators, and particularly relates to a downward air exhaust structure of a condenser heat dissipation system of a new energy vehicle-mounted refrigerator. Background Art

[0002] Chinese Patent No. ZL202322048073.5 discloses a temperature control device for a vehicle-mounted refrigerator, a vehicle-mounted refrigerator and a vehicle. The temperature control device includes a mounting bracket, a condenser, a first fan and a second fan, and the condenser, the first fan and the second fan are mounted on the mounting bracket; the first fan is used to blow gas to the condenser to dissipate heat from the condenser; the second fan is used to discharge the gas after being cooled by the condenser to the outside of the vehicle-mounted refrigerator. The temperature control device can continuously and stably discharge the heat of the condenser to the outside of the refrigerator, improve the working efficiency of the condenser, and at the same time improve the refrigeration effect of the vehicle-mounted refrigerator. The temperature control device is provided with two fans, one of which is used to introduce external air and the other is used to discharge gas. The setting cost is relatively high, and it also causes an increase in the volume of the new energy vehicle-mounted refrigerator. The first fan is arranged above the condenser, and the condenser is located above the compressor. After the external air absorbs the heat of the condenser, it is not directly blown to the compressor to dissipate heat from the compressor. However, by setting the second fan, the second fan is arranged in a staggered manner with the compressor, and the air flow is difficult to dissipate heat from the compressor in all directions. Therefore, it needs to be further improved. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a downward air exhaust structure of a condenser heat dissipation system of a new energy vehicle-mounted refrigerator. When the heat dissipation fan is started, it drives the air flow to flow from top to bottom in the air exhaust duct, and takes away the heat of the refrigeration device located in the air exhaust duct, so that the refrigeration device is within the normal working temperature range, and the operation is more stable. There is no need to set two fans, and the production cost is relatively low.

[0004] A downward air exhaust structure of a condenser heat dissipation system of a new energy vehicle-mounted refrigerator designed according to this purpose includes an air exhaust duct arranged on the engine compartment and communicating with the external air, and a heat dissipation fan and a refrigeration device arranged on the air exhaust duct. When the heat dissipation fan is started, it drives the external air to dissipate heat from the refrigeration device in the air exhaust duct, and the external air enters and exits the air exhaust duct from top to bottom.

[0005] The air exhaust duct is provided with an air inlet end and an air outlet end arranged at intervals up and down. The heat dissipation fan and the refrigeration device are located between the air inlet end and the air outlet end. When the heat dissipation fan is started, the external air enters the air exhaust duct along the air inlet end, passes through the refrigeration device, and then exits the air exhaust duct along the air outlet end.

[0006] The heat dissipation fan and the refrigeration device are arranged at intervals up and down in the air exhaust duct, and the vertical interval between the heat dissipation fan and the refrigeration device forms a gas flow gap.

[0007] The refrigeration device includes a condenser and a compressor. The cooling fan is located between the condenser and the compressor, and the condenser is located above the cooling fan. When the cooling fan starts, the outside air passes through the condenser, the cooling fan, and the compressor in sequence along the exhaust duct and is discharged outside the exhaust duct.

[0008] The cooling fan is located between the condenser and the compressor, and the condenser is located above the cooling fan. The cooling fan can block the heat transfer of the compressor to the condenser, and the outside air first cools the condenser. After being dispersed by the rotating cooling fan, it evenly flows to the compressor, enabling the compressor to dissipate heat in all directions.

[0009] The refrigeration device includes a condenser limit - installed on the first bracket. The first bracket is provided with a first opening communicating with the exhaust duct, and the outside air flows through the condenser along the first opening under the action of the cooling fan and flows in the exhaust duct.

[0010] The first bracket is provided with a second bracket for installing the cooling fan. The second bracket is provided with a second opening communicating with the exhaust duct. The first bracket and the second bracket are arranged in an upper - lower stacked manner, and the outside air flows to the first opening and the second opening in sequence under the action of the cooling fan.

[0011] The second bracket is provided with a fence covering the cooling fan. A fan cavity communicating with the exhaust duct is formed between the second bracket, the fence, and the second opening, and the fence forms a diversion ring for the cooling fan to drive the outside air to flow to the exhaust duct. The diversion ring guides the air flow to the compressor and the exhaust end of the exhaust duct, eliminating the exhaust fan set in the background technology, which has the characteristics of low cost and saving the installation space in the engine compartment.

[0012] The first bracket is provided with a baffle covering the condenser. The condenser is limit - installed on the first bracket through the baffle to prevent the outside air passing through the condenser from leaking outwards.

[0013] The refrigeration device includes a compressor supported on the bottom wall of the engine compartment. The compressor is suspended and supported on the bottom wall of the engine compartment. A heat - dissipation gap communicating with the exhaust duct is formed between the compressor and the inner periphery of the engine compartment, and air evenly flows from the heat - dissipation gap to the outer periphery of the compressor, enabling the compressor to dissipate heat in all directions and maintaining the compressor within the normal operating temperature range for working operation.

[0014] The top and / or side of the engine compartment is provided with an air inlet, and the bottom of the engine compartment is provided with an air outlet. The air inlet forms the air - inlet end of the exhaust duct, and the air outlet forms the air - exhaust end of the exhaust duct. The air inlet, the inner cavity of the engine compartment, and the air outlet are sequentially connected to form the exhaust duct.

[0015] The utility model has the following beneficial effects:

[0016] The cooling fan starts to drive the air flow to flow from top to bottom in the exhaust duct, taking away the heat of the refrigeration device located in the exhaust duct, enabling the refrigeration device to be within the normal operating temperature range, running more stably, eliminating the need to set two fans, and having a lower production cost.

[0017] The outside air sequentially passes through the condenser, the cooling fan and the compressor along the exhaust duct and is discharged outside the exhaust duct. From the top view or bottom view, the projection of the cooling fan completely falls on the condenser. After the outside air absorbs the heat of the condenser, it flows to the compressor to dissipate heat from the compressor. Brief Description of the Drawings

[0018] Figure 1 It is a three-dimensional structure schematic diagram of a new energy vehicle-mounted refrigerator according to an embodiment of the present invention.

[0019] Figure 2 It is a three-dimensional structure schematic diagram of another orientation of a new energy vehicle-mounted refrigerator according to an embodiment of the present invention.

[0020] Figure 3 It is a three-dimensional cross-sectional structure schematic diagram of a new energy vehicle-mounted refrigerator according to an embodiment of the present invention.

[0021] Figure 4 It is a schematic diagram of the structure of a condenser according to an embodiment of the present invention.

[0022] Figure 5 It is a three-dimensional structure schematic diagram of a mounting bracket (second bracket) of a cooling fan according to an embodiment of the present invention. Detailed Description of the Embodiment

[0023] The present invention will be further described below in conjunction with the drawings and embodiments.

[0024] See Figures 1 - 5 , a downward exhaust structure of a condenser heat dissipation system for a new energy vehicle-mounted refrigerator, including an exhaust duct provided on the engine compartment 1 and communicating with the outside air, and a cooling fan 4 and a refrigeration device provided on the exhaust duct. The cooling fan 4 starts and drives the outside air to dissipate heat to the refrigeration device in the exhaust duct, and the outside air enters and is discharged outside the exhaust duct from top to bottom.

[0025] The exhaust duct is provided with an air inlet end 2 and an air outlet end 3 arranged at intervals up and down. The cooling fan 4 and the refrigeration device are located between the air inlet end 2 and the air outlet end 3. When the cooling fan 4 starts, the outside air enters the exhaust duct along the air inlet end 2, passes through the refrigeration device, and is discharged outside the exhaust duct along the air outlet end 3.

[0026] The cooling fan 4 and the refrigeration device are arranged at intervals up and down in the exhaust duct, and the up and down interval between the cooling fan 4 and the refrigeration device forms a gas flow gap.

[0027] The refrigeration device includes a condenser 5 and a compressor 6, a cooling fan 4 is located between the condenser 5 and the compressor 6, and the condenser 5 is located above the cooling fan 4; when the cooling fan 4 is started, the outside air passes through the condenser 5, the cooling fan 4 and the compressor 6 in sequence along the exhaust duct and is discharged out of the exhaust duct.

[0028] The refrigeration device includes a condenser 5 limitedly mounted on a first bracket 7. The first bracket 7 is provided with a first opening 8 connected to the exhaust duct. Under the action of the cooling fan 4, the outside air passes through the condenser 5 along the first opening 8 and flows into the exhaust duct.

[0029] The first bracket 7 is provided with a second bracket 9 for installing the cooling fan 4, and the second bracket 9 is provided with a second opening 10 connected to the exhaust duct. The first bracket 7 and the second bracket 9 are stacked up and down, and the outside air flows to the first opening 8 and the second opening 10 in turn under the action of the cooling fan 4.

[0030] In this embodiment, the second bracket 9 is provided with a plurality of second openings 10 distributed at circumferential intervals on the second bracket 9, so that the airflow no longer concentrates on the same second opening 10 to flow toward the compressor 6. The airflow flows evenly toward the compressor 6 through the plurality of second openings 10, thereby evenly dissipating heat for the compressor 6.

[0031] In this embodiment, the second bracket 9 is provided with a mounting cavity for mounting the fan motor.

[0032] In this embodiment, one side of the baffle 11 of the first bracket 7 is provided with a first connecting ear fixed to the inner side of the cabin 1. The first connecting ear is fixed to the inner side of the cabin 1 by screws.

[0033] In this embodiment, the second bracket 9 is fixed to the second connecting ear on the bottom of the first bracket 7 .

[0034] In this embodiment, the second connecting ear is screwed to the bottom of the first bracket 7 .

[0035] In this embodiment, the top of the second bracket 9 is tightly attached to the bottom of the first bracket 7 to prevent the airflow from diffusing around between the second bracket 9 and the first bracket 7 .

[0036] The second bracket 9 is provided with a baffle 14 covering the heat dissipation fan 4 , and a fan cavity communicating with the exhaust duct is formed between the second bracket 9 , the baffle 14 and the second opening 10 .

[0037] A baffle 11 covering the condenser 5 is disposed on the first bracket 7 , and the condenser 5 is mounted on the first bracket 7 by being limited by the baffle 11 .

[0038] The refrigeration device includes a compressor 6 supported on the bottom wall of the machine chamber 1, and the compressor 6 is suspended on the bottom wall of the machine chamber 1; a heat dissipation gap connected to the exhaust duct is formed between the compressor 6 and the inner peripheral side of the machine chamber 1.

[0039] In this embodiment, the compressor 6 is suspended and supported on the bottom wall of the engine compartment 1, so that even if the condenser 5 generates condensed water droplets that drip onto the bottom wall of the engine compartment 1, it will not affect the compressor 6.

[0040] In this embodiment, the compressor 6 can be elastically supported on the bottom wall of the engine compartment 1 to reduce the vibration noise generated during the operation of the compressor 6.

[0041] An air inlet 12 is provided at the top and / or side of the engine compartment 1, and an air outlet 13 is provided at the bottom of the engine compartment 1. The air inlet 12 forms the air inlet end 2 of the exhaust duct, and the air outlet 13 forms the air outlet end 3 of the exhaust duct; the air inlet 12, the inner cavity of the engine compartment 1 and the air outlet 13 are sequentially communicated to form the exhaust duct.

[0042] The above is the preferred solution of the present invention, which shows and describes the basic principle, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. An exhaust structure at the lower part for the condenser heat dissipation system of a new energy vehicle-mounted refrigerator, characterized in that: It includes an exhaust air duct provided on the engine compartment (1) and communicating with the outside air, as well as a cooling fan (4) and a refrigeration device provided on the exhaust air duct. The cooling fan (4) starts and drives the outside air to dissipate heat to the refrigeration device in the exhaust air duct, and the outside air enters and exits the exhaust air duct from top to bottom; The cooling fan (4) and the refrigeration device are arranged at an upper and lower interval in the exhaust air duct, and the upper and lower interval between the cooling fan (4) and the refrigeration device forms a gas flow gap; The refrigeration device includes a condenser (5) and a compressor (6). The cooling fan (4) is located between the condenser (5) and the compressor (6), and the condenser (5) is located above the cooling fan (4). When the cooling fan (4) starts, the outside air passes through the condenser (5), the cooling fan (4) and the compressor (6) in sequence along the exhaust air duct and then exits the exhaust air duct; 2. The lower exhaust structure of the condenser heat dissipation system of the new energy vehicle-mounted refrigerator according to claim 1, characterized in that: The exhaust air duct is provided with an air inlet end (2) and an air outlet end (3) arranged at an upper and lower interval. The cooling fan (4) and the refrigeration device are located between the air inlet end (2) and the air outlet end (3). When the cooling fan (4) starts, the outside air enters the exhaust air duct along the air inlet end (2), passes through the refrigeration device and then exits the exhaust air duct along the air outlet end (3); 3. The lower exhaust air structure of the condenser heat dissipation system of the new energy vehicle-mounted refrigerator according to claim 1, characterized in that: The refrigeration device includes a condenser (5) limit-mounted on a first bracket (7). The first bracket (7) is provided with a first opening (8) communicating with the exhaust air duct. The outside air flows through the condenser (5) along the first opening (8) under the action of the cooling fan (4) and flows in the exhaust air duct; 4. The lower exhaust air structure of the condenser heat dissipation system of the new energy vehicle-mounted refrigerator according to claim 3, characterized in that: The first bracket (7) is provided with a second bracket (9) for mounting the cooling fan (4). The second bracket (9) is provided with a second opening (10) communicating with the exhaust air duct. The first bracket (7) and the second bracket (9) are arranged in an upper and lower stacked manner. The outside air flows to the first opening (8) and the second opening (10) in sequence under the action of the cooling fan (4); 5. The down-draft structure of the condenser heat dissipation system of the new energy vehicle-mounted refrigerator according to claim 4, wherein: The second bracket (9) is provided with a baffle (14) covering the cooling fan (4). A fan cavity communicating with the exhaust air duct is formed between the second bracket (9), the baffle (14) and the second opening (10), and the baffle (14) forms a diversion ring for the cooling fan (4) to drive the outside air to flow to the exhaust air duct; 6. The lower exhaust structure of the condenser heat dissipation system of the new energy vehicle-mounted refrigerator according to claim 4, characterized in that: The first bracket (7) is provided with a baffle (11) covering the condenser (5). The condenser (5) is limit-mounted on the first bracket (7) through the baffle (11); 7. The lower exhaust structure of the condenser heat dissipation system of the new energy vehicle-mounted refrigerator according to claim 1, wherein: The refrigeration device includes a compressor (6) supported on the bottom wall of the engine compartment (1). The compressor (6) is suspended and supported on the bottom wall of the engine compartment (1); a heat dissipation gap communicating with the exhaust air duct is formed between the compressor (6) and the inner peripheral side of the engine compartment (1); 8. The lower exhaust air structure of the condenser heat dissipation system of the new energy vehicle-mounted refrigerator according to claim 1, characterized in that: The top and / or side of the engine compartment (1) is provided with an air inlet (12), and the bottom of the engine compartment (1) is provided with an air outlet (13). The air inlet (12) forms the air inlet end (2) of the exhaust air duct, and the air outlet (13) forms the air outlet end (3) of the exhaust air duct; the air inlet (12), the inner cavity of the engine compartment (1) and the air outlet (13) are communicated in sequence to form the exhaust air duct.

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