TW201916787A - Radiator for charging connector, charging system and vehicle - Google Patents

Abstract

The invention discloses radiator for charging connector, a charging system and a vehicle. radiator for charging connector comprises: a mounting bracket; a semiconductor refrigerating sheet, the semiconductor refrigerating sheet is fixed on the mounting bracket, and the semiconductor refrigerating The inner peripheral surface of the sheet is a cooling surface, the outer peripheral surface is a heating surface; and the air blowing member is fixed to the mounting bracket and correspondingly disposed outside the heating surface. Therefore, by the cooperation of the mounting bracket, the semiconductor refrigerating sheet and the air blowing member, the heat dissipation performance of the charging interface can be improved, and the charging connector can be cooled, thereby avoiding a series of safety problems caused by thermal runaway, thereby improving electric power. The charging safety of the car.

Description

Radiator for charging connector, charging system and vehicle

The present invention relates to the technical field of vehicles, and in particular, to a radiator of a charging connector, a charging system, and a vehicle.

In the related art, the existing semiconductor cooling is mainly used for heat dissipation of electronic components, and is not used for heat dissipation of charging ports of electric vehicles. At present, the rapid development of electric vehicles, two major factors restricting the development of electric vehicles: range and charging time. On the basis of the same battery capacity and input voltage, to reduce the charging time, the charging current must be increased. However, a larger current means a greater temperature rise, and it is subject to the narrow space of the charging interface, which may cause the insulation performance of the charging interface to decrease at high temperatures and reduce the life, which will affect the charging safety of electric vehicles.

The present invention aims to solve at least one of the technical problems in the related technology. For this reason, the present invention provides a heat sink for a charging connector, which can improve the heat dissipation performance of a charging interface.

The invention further proposes a charging system.

The invention further proposes a vehicle.

The radiator of the charging connector according to the present invention includes: a mounting bracket; a semiconductor cooling sheet fixed on the mounting bracket; the inner peripheral surface of the semiconductor cooling sheet is a cooling surface and the outer peripheral surface is a heating surface; The air supply member is fixed on the mounting bracket and is correspondingly disposed on the outside of the heating surface.

According to the heat sink of the charging connector of the present invention, the heat dissipation performance of the charging interface can be improved through the cooperation of the mounting bracket, the semiconductor cooling sheet and the air supply member, and the charging connector can be cooled, so that a series of thermal runaway can be avoided. Safety issues can further improve the charging safety of electric vehicles.

In some examples of the present invention, an inner periphery of the semiconductor cooling sheet defines a receiving hole for receiving the charging connector.

In some examples of the present invention, the semiconductor refrigerating chip includes: an arc segment and a straight segment, and a circle center angle corresponding to the arc segment is greater than 180 °, and the straight segment is connected at two ends of the arc segment.

In some examples of the present invention, the air supply member is plural and is disposed around the heating surface.

In some examples of the present invention, the outer periphery of the mounting bracket is rectangular, the number of the air supply members is four, and each of the air supply members is correspondingly installed on one side of the mounting bracket.

The charging system according to the present invention includes: a radiator of the charging connector; and a charging connector, the charging connector is received in the receiving hole.

In some examples of the present invention, the charging system further includes a controller, a first temperature sensor is disposed at the cooling surface and a second temperature sensor is disposed at the heating surface, and the controller is respectively connected with the controller The first temperature sensor and the second temperature sensor are electrically connected to control the working states of the semiconductor cooling sheet and the air supply element according to the temperature values of the cooling surface and the heating surface.

In some examples of the present invention, the controller controls the cooling surface of the semiconductor cooling chip to work when the temperature value of the cooling surface detected by the first temperature sensor is greater than a first set value.

In some examples of the present invention, when the second temperature sensor detects that the temperature value of the heating surface is greater than a second set value, the controller controls the air supply member to work with the first air supply shield.

In some examples of the present invention, when the controller detects that the temperature value of the heating surface is greater than a third set value, the controller controls the air-supply member to work with a second air-shield, the third set value Greater than the second set value, the wind force of the first windshield is smaller than the wind force of the second windshield.

In some examples of the present invention, the controller controls the fan to stop working when the first temperature sensor detects that the temperature value of the cooling surface is less than a fourth set value.

In some examples of the present invention, the controller controls the semiconductor cooling chip to stop working when the first temperature sensor detects that the temperature value of the cooling surface is less than a fifth set value.

In some examples of the present invention, the charging system further includes: a charging state detection module, the charging state detection module is electrically connected to the controller, and the controller detects that the charging state is completed or a charging fault is detected in the charging state detection module. The semiconductor refrigeration chip and the air supply member are controlled to stop working at any time.

In some examples of the present invention, the controller detects the temperature value of the heating surface when the temperature value of the cooling surface is greater than a sixth predetermined value or the temperature value of the heating surface is detected by the second temperature sensor. When it is greater than the seventh predetermined value, a charging stop signal is sent to the vehicle's vehicle controller.

A vehicle according to the present invention includes the charging system.

An embodiment of the present invention is described in detail below, and an example of the embodiment is shown in the drawings. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present invention, but should not be construed as limiting the present invention.

The heat sink 10 of the charging connector 5 according to the embodiment of the present invention will be described in detail below with reference to FIGS. 1 to 9.

As shown in FIG. 1 to FIG. 6, the radiator 10 according to the embodiment of the present invention includes: a mounting bracket 1, a semiconductor cooling sheet 2, and a blower 3. The semiconductor cooling sheet 2 is fixed on the mounting bracket 1, and the mounting bracket 1 may The semiconductor refrigeration chip 2 is fixed in position, and the inner periphery of the semiconductor refrigeration chip 2 defines a receiving hole 21 for receiving the charging connector 5. The charging connector 5 can be received in the receiving hole 21. The inner peripheral surface of 2 is a cooling surface 22 and the outer peripheral surface is a heating surface 23. The charging connector 5 includes a connection terminal, and the connection terminal may include a positive terminal and a negative terminal for transmitting current. This terminal is suitable for DC charging port.

Similarly, the charging terminals of the AC charging port also appear in pairs, which may be multiple. The principle is the same as above, and can still be implemented.

Wherein, as shown in FIG. 4, the semiconductor refrigeration chip 2 may include: an arc segment 24 and a straight segment 25. The center angle corresponding to the arc segment 24 is greater than 180 °, and the straight segment 25 is connected to both ends of the arc segment 24. . By adopting the arc-shaped section 24 and the straight-line section 25, the semiconductor refrigerating chip 2 can be better matched with the charging connection member 5, and can also play a role of pre-installation and positioning at least to a certain extent.

Among them, when the semiconductor cooling sheet 2 is energized, the cooling surface 22 is in a state of continuous low temperature, and the cooling surface 22 can perform heat transfer with the objects in contact with each other, so that the objects in contact with each other can be cooled. After the charging connector 5 is installed in the receiving hole 21, the cooling surface 22 is in contact with the rear outer wall 51 of the charging interface. When the electric vehicle is charged, the temperature of the cooling surface 22 is lower, and the temperature of the rear outer wall 51 of the charging interface is higher. The surface 22 can perform heat transfer with the outer wall 51 of the tail, and can absorb and dissipate the heat of the charging interface, thereby reducing the temperature of the charging interface and improving the heat dissipation performance of the charging interface.

In addition, the air-supplying member 3 is fixedly installed on the mounting bracket 1, and the air-supplying member 3 is correspondingly disposed on the outside of the heating surface 23. During the charging process, the heat generated by the charging connection member 5 will sequentially pass through the cooling surface 22 and the heating surface. 23 is transmitted to the outside of the semiconductor refrigerating chip 2. When the air supply member 3 is working, the air supply member 3 can blow to the heating surface 23, which can accelerate the heat dissipation on the heating surface 23, so that the heat generated by the work of the charging connection member 5 can be worked It is quickly dissipated, so that the charging connector 5 can be cooled. At the same time, it can also avoid that the temperature of the electric vehicle is too high during the charging process, thereby avoiding a series of safety problems caused by thermal runaway, and thereby improving the charging safety of the electric vehicle.

Among them, the manufacturing material inside the rear outer wall 51 of the charging interface uses a metal with good thermal conductivity, such as silver, aluminum, and copper, to better achieve heat transfer. However, the present invention is not limited to this, and a material for manufacturing the tail outer wall 51 of the charging interface may also be selected from metals that have the same function as silver, aluminum, and copper. In addition, the outer surface of the tail outer wall 51 of the charging interface is provided with an insulating material, which can ensure that the charging interface has a good heat conduction effect and does not leak electricity, thereby improving charging safety performance. At the same time, the service life of the charging connector 5 can also be improved.

Optionally, a plurality of air-supplying members 3 may be provided, and more than one air-supplying member 3 is provided around the heating surface 23, so that the blowing area of the air-supplying member 3 to the heating surface 23 can be increased, so that it can better control The hot surface 23 dissipates heat.

Further, as shown in FIG. 1, the outer periphery of the mounting bracket 1 can be set to be rectangular, and the air supply members 3 can be set to four, and each air supply member 3 is correspondingly installed on one side of the mounting bracket 1, that is, Said that each side of the mounting bracket 1 is provided with an air-supplying member 3, so that the air-supplying member 3 can blow air to the heating surface 23, thereby speeding up the heat dissipation efficiency, and the high strength of the rectangular structure can improve heat dissipation Structural strength of the device 10.

Specifically, as shown in FIG. 2 and FIG. 5, a flange is provided at each side of the mounting bracket 1, and each air-supply member 3 is provided with a fixing hole 4 corresponding to the flange, and the fixing hole 4 and the flange are provided. Mating connection, for example, the fastener passes through the fixing hole 4 and the flange is fixedly connected, so that the air supply member 3 can be installed on the mounting bracket 1, the structure of the fixing hole 4 and the flange is reliable and stable, and the fixing hole 4 can be fixed. It is well mounted on the mounting bracket 1 so that the structural stability of the heat sink 10 can be improved.

Optionally, as shown in FIG. 1, FIG. 2, and FIG. 5, the air supply member 3 may be provided as a fan, and the fan rotates at a fast speed, and can quickly dissipate heat to the heating surface 23. Moreover, the structure of the fan is simple. Easy to install and disassemble, meanwhile, the price of the fan is cheap, which can save the manufacturing cost.

As shown in FIG. 1, the charging system 20 according to the embodiment of the present invention may include a radiator 10 and a charging connector 5. The charging connector 5 is installed in the receiving hole 21. During the charging process, the radiator 10 can charge the battery. The connecting member 5 effectively dissipates heat, so that the temperature of the charging connecting member 5 can be reduced, and the safe operation of the charging connecting member 5 can be guaranteed.

Optionally, as shown in FIG. 3 and FIG. 6, the charging system 20 may further include a controller 6, a first temperature sensor 41 is provided at the cooling surface 22, and a first temperature sensor is provided at the heating surface 23. Two temperature sensors 42, the controller 6 is electrically connected to the first temperature sensor 41 and the second temperature sensor 42, respectively, and the first temperature sensor 41 and the second temperature sensor 42 can be connected to the controller 6 The temperature information of the cooling surface 22 and the heating surface 23 is transmitted, and the controller 6 can control the working states of the semiconductor cooling chip 2 and the air-supplying member 3 according to the temperature values of the cooling surface 22 and the heating surface 23.

Among them, the controller 6 can adjust the rotation speed of the air supply member 3 and the temperature of the semiconductor refrigeration sheet 2 according to the temperature values of the cooling surface 22 and the heating surface 23, and the rotation speed of the air supply member 3 and the temperature of the semiconductor refrigeration sheet 2 only need to meet the working requirements. Yes, in this way, the working states of the semiconductor refrigerating chip 2 and the air supply member 3 can be adjusted at any time, thereby avoiding unnecessary waste of energy, and also making the charging system 20 and the radiator 10 more intelligent.

Further, as shown in FIG. 6 and FIG. 7, the controller 6 may use a relay to control the working voltage of the semiconductor refrigerating chip 2 and the air supply member 3. The relay may be set as the first relay 61 and the second relay 62. The controller 6 When the first temperature sensor 41 detects that the temperature of the cooling surface 22 is greater than the first set value, the controller 6 pulls down the first relay 61 to supply power to the semiconductor cooling sheet 2 to make the cooling surface 22 work, so that the cooling function can be turned on. .

Specifically, as shown in FIG. 6 and FIG. 7, when the controller 6 detects that the temperature value of the heating surface 23 is greater than the second set value, the controller 6 pulls down the second relay 62. Power is supplied to the air-supplying member 3, and the air-supplying member 3 is controlled to work with the first air-supply shield, so that the heat dissipation function of the heating surface 23 can be turned on.

Optionally, as shown in FIG. 6 and FIG. 7, when the controller 6 detects that the temperature value of the heating surface 23 is greater than the third set value, the controller 6 controls the air supply member 3. Working with the second windshield, the third setting value is greater than the second setting value, and the wind force of the first windshield is smaller than the wind force of the second windshield. In this way, the wind force of the blowing member 3 toward the heating surface 23 increases, thereby ensuring The heat dissipation requirements of the heating surface 23 can further prevent the temperature of the heating surface 23 from becoming too high.

Further, as shown in FIG. 6 and FIG. 7, when the controller 6 detects that the temperature value of the cooling surface 22 is less than the fourth set value, the controller 6 turns off the second relay 62, The second relay 62 controls the fan 3 to stop working and turns off the heat dissipation function of the heating surface 23, thereby saving resources. The fourth predetermined value is larger than the first predetermined value, and the fourth predetermined value is smaller than the second predetermined value and the third predetermined value.

Specifically, as shown in FIG. 6 and FIG. 7, when the controller 6 detects that the temperature value of the cooling surface 22 is less than a fifth set value, the controller 6 turns off the first relay 61, The first relay 61 controls the semiconductor refrigerating chip 2 to stop working, and the cooling function can be turned off, so that waste of energy can be further avoided. The fifth predetermined value is smaller than the first predetermined value, the second predetermined value, the third predetermined value, and the fourth predetermined value.

Optionally, the charging system 20 may further include a charging state detection module. The charging state detection module is electrically connected to the controller 6. When the charging state detection module detects that the charging is completed or the charging fails, the controller 6 Turn off the first relay 61 and the second relay 62, and control the semiconductor refrigeration chip 2 and the air supply member 3 to stop working, so that the customer satisfaction can be improved.

Further, as shown in FIG. 8, after the semiconductor refrigeration chip 2 and the air-supplying member 3 are normally powered, the controller 6 detects that the temperature value of the cooling surface 22 is greater than a sixth predetermined value at the first temperature sensor 41, The controller 6 sends a stop charging signal to the vehicle's vehicle controller 6 to stop charging, and records the failure. When the semiconductor refrigeration chip 2 and the air-supplying part 3 work normally and the controller 6 detects that the temperature value of the heating surface 23 is greater than a seventh predetermined value at the second temperature sensor 42, the controller 6 controls the vehicle as a whole. The device 6 sends a stop charging signal, stops charging, and records the fault. The sixth predetermined value and the seventh predetermined value are both larger than the third predetermined value, and specific values are set according to actual conditions.

The vehicle according to the embodiment of the present invention includes a charging system 20, which can ensure that the vehicle is safe and reliable during the charging process.

In the description of this specification, the description with reference to the terms “one embodiment”, “some embodiments”, “examples”, “specific examples”, or “some examples” and the like means specific features described in conjunction with the embodiments or examples , Structure, material, or characteristic is included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms are not necessarily directed to the same embodiment or example. Moreover, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. In addition, without any contradiction, those skilled in the art may combine and combine different embodiments or examples and features of the different embodiments or examples described in this specification.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limitations on the present invention. Those skilled in the art can interpret the above within the scope of the present invention. Embodiments are subject to change, modification, substitution, and modification.

10‧‧‧ Radiator

1‧‧‧ mounting bracket

2‧‧‧Semiconductor refrigeration sheet

21‧‧‧accommodation hole

22‧‧‧ cooling surface

23‧‧‧ heating surface

24‧‧‧arc segment

25‧‧‧Straight segment

3‧‧‧Air Supply

4‧‧‧ fixing holes

41‧‧‧The first temperature sensor

42‧‧‧Second temperature sensor

20‧‧‧ Charging system

5‧‧‧ Charging connector

51‧‧‧Tail outer wall

6‧‧‧controller

61‧‧‧First Relay

62‧‧‧Second Relay

Fig. 1 is a schematic diagram of a charging system according to an embodiment of the present invention; Fig. 2 is a schematic diagram of a heat sink according to an embodiment of the present invention; Fig. 3 is an assembly diagram of a mounting bracket, a semiconductor cooling sheet and a charging connector; Figure is an assembly diagram of a mounting bracket and a semiconductor cooling sheet; Figure 5 is a schematic diagram of a fan; Figure 6 is a schematic diagram of a charging connector; Figure 7 is a schematic diagram of a charging system and a radiator; Figure 8 is charging The working flowchart of the system and the radiator; Figure 9 is a fault detection flowchart of the charging system and the radiator.

Claims (15)

A radiator for a charging connector is characterized by comprising: a mounting bracket; a semiconductor cooling sheet fixed on the mounting bracket; an inner peripheral surface of the semiconductor cooling sheet is a cooling surface and an outer peripheral surface is a Heating surface; an air-supplying component, the air-supplying component is fixed on the mounting bracket and is correspondingly disposed outside the heating surface. The heat sink of the charging connector according to item 1 of the scope of the patent application, wherein the inner periphery of the semiconductor cooling sheet defines a receiving hole for receiving the charging connector. The heat sink of the charging connector according to item 1 of the scope of patent application, wherein the semiconductor refrigerating sheet includes: an arc segment and a straight line segment, and a circle center angle corresponding to the arc segment is greater than 180 °, and the straight segment is connected At both ends of the arc. The heat sink of the charging connector according to item 1 of the scope of the patent application, wherein the air supply member is a plurality of and is disposed around the heating surface. The heat sink of the charging connector according to item 4 of the scope of the patent application, wherein the outer periphery of the mounting bracket is rectangular, the air supply members are four, and each of the air supply members is correspondingly installed on one side of the mounting bracket. . A charging system, comprising: the radiator of the charging connection member according to any one of claims 1 to 5 of the scope of patent application; a charging connection member, the charging connection member being received in the receiving hole; . The charging system according to item 6 of the patent application scope, further comprising: a controller, a first temperature sensor is disposed at the cooling surface and a second temperature sensor is disposed at the heating surface, the controller It is electrically connected to the first temperature sensor and the second temperature sensor, respectively, so as to control the working states of the semiconductor cooling sheet and the air supply element according to the temperature values of the cooling surface and the heating surface. The charging system according to item 7 of the scope of patent application, wherein the controller controls the cooling surface operation of the semiconductor cooling sheet when the temperature value of the cooling surface detected by the first temperature sensor is greater than a first set value. . The charging system according to item 8 of the scope of patent application, wherein the controller controls the air supply element to set a first temperature when the second temperature sensor detects that the temperature value of the heating surface is greater than a second set value. Windshield work. The charging system according to item 9 of the scope of patent application, wherein the controller controls the air-supply member to set a second value when the second temperature sensor detects that the temperature value of the heating surface is greater than a third set value. The windshield works, the third set value is larger than the second windshield, and the wind force of the first windshield is smaller than the wind force of the second windshield. The charging system according to item 10 of the scope of patent application, wherein the controller controls the air supply member to stop working when the first temperature sensor detects that the temperature value of the cooling surface is less than a fourth set value. The charging system according to item 11 of the scope of patent application, wherein the controller controls the semiconductor refrigerating chip to stop working when the first temperature sensor detects that the temperature value of the cooling surface is less than a fifth set value. The charging system according to item 7 of the scope of patent application, further comprising: a state-of-charge detection module, the state-of-charge detection module is electrically connected to the controller, and the controller detects that charging is completed in the state-of-charge detection module Or control the semiconductor refrigeration chip and the air supply member to stop working when the charging fails. The charging system according to item 7 of the scope of patent application, wherein the controller detects when the first temperature sensor detects that the temperature value of the cooling surface is greater than a sixth predetermined value or the second temperature sensor detects When the temperature value of the heating surface is greater than a seventh predetermined value, a charging stop signal is sent to the vehicle's vehicle controller. A vehicle, comprising: the charging system according to any one of claims 6 to 14 of the scope of patent application.