CN217363329U

CN217363329U - Heating power adjustable high-voltage electric defroster for vehicle

Info

Publication number: CN217363329U
Application number: CN202221334435.6U
Authority: CN
Inventors: 黎文源; 冯还红; 卢禹臻; 梁辉耀
Original assignee: Xiamen King Long United Automotive Industry Co Ltd
Current assignee: Xiamen King Long United Automotive Industry Co Ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-09-02
Anticipated expiration: 2032-05-31

Abstract

The utility model discloses a vehicle high-voltage electric defroster with adjustable heating power, which comprises a defroster body and a controller, wherein the defroster body comprises a heating core body connected with the controller, and the heating core body comprises a first heating core body with fixed heating power and a second heating core body with adjustable heating power; the controller is used for controlling the electrifying states of the first heating core body and the second heating core body and adjusting the heating power of the second heating core body through the IGBT driving circuit. Compared with the prior art, the utility model has the advantages that the heating core body with combined design is arranged, so that the application of the IGBT driving circuit is reduced on the premise that the heating power of the defroster is ensured to be large enough and can be adjusted, the cost of the defroster is effectively reduced, and the universality and the economic benefit are improved; and the heating core body with combined design can flexibly adjust the heating power of the defroster according to the requirements of different regions and different seasons, reduce the energy consumption of the defroster and effectively overcome the defects of the prior art.

Description

Heating power adjustable high-voltage electric defroster for vehicle

Technical Field

The utility model relates to a new energy automobile technical field, more specifically say and be a vehicle high-voltage electric defroster with adjustable power generates heat.

Background

With the continuous development of the new energy automobile industry, the number of new energy vehicles used in cold regions is more and more common. According to the practical test results, the method comprises the following steps: for new energy vehicles running in low-temperature and high-cold areas, energy consumption required by defrosting and heating in vehicles by taking battery electric energy as front windshield is almost equal to or higher than that required by vehicle driving, and the driving mileage of the vehicles is seriously influenced.

At present, the high-voltage electric defrosters used by new energy vehicles are limited, and only two types are available: one is a high-voltage electric defroster with fixed heating power, which only needs to be operated with constant heating power when being started, and in order to ensure the defrosting effect of a front windshield of a new energy vehicle in extreme weather, the heating power of a heating core of the high-voltage electric defroster needs to be large enough, but the energy-saving effect of the new energy vehicle is poor when the new energy vehicle is used in other seasons; the other type is a high-voltage electric defroster with adjustable heating power, and in order to simultaneously realize that the heating core body power is large enough and can be adjusted, all IGBT driving circuits are required to be adopted, so that the cost of the new energy automobile is very high, and the economy is low. Based on this, we optimize and improve the structure of the high-voltage electric defroster.

SUMMERY OF THE UTILITY MODEL

The utility model provides an automobile-used high-tension electricity defroster with adjustable power that generates heat, main aim at solves the problem that exists among the prior art.

The utility model adopts the following technical scheme:

a heating power adjustable type high-voltage electric defroster for a vehicle comprises a defroster body and a controller, wherein a heating core body connected with the controller is arranged in the defroster body, and the heating core body comprises a first heating core body with fixed heating power and a second heating core body with adjustable heating power; the controller is used for controlling the electrifying states of the first heating core body and the second heating core body and adjusting the heating power of the second heating core body through the IGBT driving circuit.

Furthermore, the defroster body is provided with an air inlet, an air outlet and a defrosting fan, and the defrosting fan is electrically connected to the controller and arranged at the bottom of the heating core body.

Still further, still include filter equipment, above-mentioned filter equipment sets up in above-mentioned air intake bottom.

Furthermore, the controller is provided with a CAN communication interface, and the whole vehicle controller is in communication connection with the controller through the CAN communication interface and automatically controls the working state of the heating core body.

Furthermore, the controller is also provided with a high-voltage connector, a low-voltage control interface and a connecting plug-in, and the whole vehicle wiring harness is connected with the high-voltage connector and the low-voltage control interface through the connecting plug-in.

Further, the defroster body is provided with a knob switch electrically connected to the controller, and the knob switch is used for manually controlling the working state of the heating core body.

From the above description to the structure of the present invention, the present invention has the following advantages:

the utility model discloses a defroster body comprises a heating core body connected with a controller, wherein the heating core body comprises a first heating core body with fixed heating power and a second heating core body with adjustable heating power; the controller is used for controlling the electrifying states of the first heating core body and the second heating core body and adjusting the heating power of the second heating core body through the IGBT driving circuit. Compared with the prior art, the heating core body with combined design of the utility model reduces the application of the IGBT driving circuit on the premise of simultaneously ensuring that the heating power of the defroster is large enough and can be adjusted, effectively reduces the cost of the defroster and improves the universality and the economic benefit; and the heating core body with combined design can flexibly adjust the heating power of the defroster according to the requirements of different regions and different seasons, reduce the energy consumption of the defroster and effectively overcome the defects of the prior art.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a second schematic structural diagram of the present invention.

Fig. 3 is a schematic structural diagram of the controller and the rotary switch of the present invention.

Fig. 4 is a circuit block diagram of the present invention.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1 to 4, a heating power adjustable high voltage electric defroster for a vehicle comprises a defroster body 1 and a controller 2, wherein a heating core connected with the controller 2 is arranged in the defroster body 1, and the heating core comprises a first heating core 11 with fixed heating power and a second heating core 12 with adjustable heating power; the controller 2 is configured to control the energization states of the first heat generating core 11 and the second heat generating core 12, and adjust the heat generating power of the second heat generating core 12 through the IGBT driving circuit. The heating core body with the combined design reduces the application of an IGBT driving circuit on the premise of simultaneously ensuring that the heating power of the defroster is enough and can be adjusted, effectively reduces the cost of the defroster, and improves the universality and the economic benefit of the defroster; and the heating core body with combined design can flexibly adjust the heating power of the defroster according to the requirements of different regions and different seasons, reduce the energy consumption of the defroster, facilitate the energy conservation of new energy passenger cars and effectively overcome the defects of the prior art.

As shown in fig. 2 to 4, the defroster body 1 is provided with an air inlet 13 and an air outlet 14, the air inlet 13 is located at the bottom of the defroster body 1, and the air outlet 14 is located at the top of the defroster body 1. Still be equipped with defrosting fan 15 in the defroster body 1, defrosting fan 15 electricity is connected in controller 2 to install the bottom at the core that generates heat through the fan fixed plate.

As shown in fig. 1 to 4, the defroster further includes a filter 16, the filter 16 is disposed at the bottom of the air inlet 13, and the filter 16 is inserted into a slot at the bottom of the defroster body 1 and may be configured as a left-right or front-back plug-in type structure. In the actual production process, the filtering device 16 can be a mechanical filter screen, so that the device can be conveniently disassembled and cleaned.

As shown in fig. 3 to 4, the controller 2 has an automatic control mode, and specifically, the controller 2 is provided with a CAN communication interface, and the vehicle control unit is communicatively connected to the controller 2 through the CAN communication interface and automatically controls the operating state of the heating core. In the automatic control mode, the vehicle control unit 2 may send an instruction to the controller 2 through the CAN network according to the actual running ambient temperature of the vehicle, and the controller 2 controls the working states of the first heating core 11 and the second heating core 12 according to the received instruction.

As shown in fig. 1 to 4, the controller 2 further has a manual control mode, and specifically, the defroster body 1 is provided with a knob switch 3 electrically connected to the controller 2, and the knob switch 3 is used for manually controlling the operating state of the heating core. Under the manual control mode, the driver adjusts the heating power size of the heating core through the gear of the manual rotation knob switch 3, the knob switch 3 is provided with 10 gears, the heating power corresponds to different heating powers, and the driver can adjust the heating power size of the heating core according to different regions and seasons, so that the energy consumption of the defroster is reduced.

As shown in fig. 3, an AUTO control button AUTO key 31 is integrated with the rotary switch 3, and the AUTO control operation mode is turned on by the AUTO key 31. When the controller 2 is switched to the automatic control mode, the gear function of the knob switch 3 is invalid; the AUTO button AUTO key 31 is turned off to restore the shift position adjusting function of the knob switch 3. The user can switch between manual control and automatic control at will, and control is more intelligent and safer.

As shown in fig. 1 to 4, the controller 2 is further provided with a high-voltage connector 17, a low-voltage control interface 18 and a connecting plug, and the entire vehicle harness is connected with the high-voltage connector 17 and the low-voltage control interface 18 through the connecting plug.

The specific working mode of the utility model is described below by taking a high-voltage electric defroster with a total heating power of 10KW as an example:

as shown in fig. 1 to 4, the defroster body 1 of the system includes a first heating core 11, the heating power of the first heating core 11 is fixed to 5KW, and further includes a second heating core 12 with adjustable heating power, and the heating power is adjusted to 1KW to 5 KW. In the embodiment, the first heating core body 11 works when being electrified, and the heating power is 5 KW; the second heating core body 12 adjusts the heating value of the PTC heater through an IGBT driving circuit, and the heating power is 1KW to 5 KW. The working principle of the heating core body in the embodiment is as follows: if the target heating power of the high-voltage electric defroster is 1KW to 4KW, the second heating core body 12 works independently to achieve the target heating power; if the target heating power of the high-voltage electric defroster is 5KW, the first heating core body 11 works independently to achieve the target heating power; if the target heating power of the high voltage electric defroster is 6KW to 10KW, the first heating core 11 and the second heating core 12 work simultaneously to reach the target heating power.

As shown in fig. 1 to 4, in the automatic control mode, when the target heating power of the high voltage electric defroster is required to be 10KW, the first heating core 11 and the second heating core 12 in the defroster body 1 are all started and continuously operated for 20min, and after 20min, the defroster body 1 enters into low heating power operation. At the moment, the vehicle control unit collects environment temperature data and sends the collected information to the controller 2 through the CAN network, the controller 2 adjusts the target heating power of the high-voltage electric defroster according to the real-time environment temperature and controls the working states of the first heating core 11 and the second heating core 12, and therefore self-adaptive adjustment of the heating power is achieved, the high-voltage electric defroster CAN meet the use requirements in different seasons, and the energy consumption of the high-voltage electric defroster is fundamentally reduced. In the manual control mode, a driver can also adjust the target heating power of the high-voltage electric defroster in real time according to different environmental temperatures, and a humanized design is added for the automatic operation of the high-voltage electric defroster.

As shown in fig. 1 to 4, the high voltage electric defroster has a fault feedback program and is provided with a corresponding protection program, when a fault occurs, the controller 2 CAN automatically feed back the fault type to the vehicle controller through the CAN network, and display a corresponding fault code on the instrument in time to inform a driver; meanwhile, the heating core stops working according to a set protection program, so that the use safety of the system is guaranteed, and the high-voltage electric defroster has higher safety and reliability.

The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.

Claims

1. The utility model provides an automobile-used high-tension electricity defroster with adjustable power that generates heat, includes defroster body and controller, this internal being equipped with of defroster with the core that generates heat that the controller is connected, its characterized in that: the heating core body comprises a first heating core body with fixed heating power and a second heating core body with adjustable heating power; the controller is used for controlling the electrifying states of the first heating core body and the second heating core body and adjusting the heating power of the second heating core body through the IGBT driving circuit.

2. The heating power adjustable high-voltage electric defroster for vehicle of claim 1, characterized in that: the defroster body is equipped with air intake and air outlet to be equipped with the defrosting fan, the defrosting fan electricity connect in the controller, and set up in the core bottom generates heat.

3. The heating power adjustable high-voltage electric defroster for vehicle of claim 2, characterized in that: the air inlet is arranged at the bottom of the air inlet, and the air inlet is arranged at the bottom of the air outlet.

4. The heating power adjustable high-voltage electric defroster for vehicle of claim 1, characterized in that: the controller is provided with a CAN communication interface, and the whole vehicle controller is in communication connection with the controller through the CAN communication interface and automatically controls the working state of the heating core body.

5. The heating power adjustable high-voltage electric defroster for vehicle of claim 1, characterized in that: the controller is also provided with a high-voltage connector, a low-voltage control interface and a connecting plug-in, and the whole vehicle wire harness is connected with the high-voltage connector and the low-voltage control interface through the connecting plug-in.

6. The heating power adjustable high-voltage electric defroster for vehicle of claim 1, characterized in that: the defroster body is provided with a knob switch electrically connected with the controller, and the knob switch is used for manually controlling the working state of the heating core body.