Electric defroster with automatic defrosting function

Abstract

The utility model discloses an electric defroster with an automatic defrosting function, which belongs to the technical field of automobile glass defrosting and comprises a sensor assembly, a knob switch assembly, a plug-in component and an electric defroster, the sensor assembly is adhered to a front windshield of an automobile, the knob switch assembly is mounted on a central control instrument desk of the automobile, and the plug-in component is mounted on the electric defroster. The sensor assembly is electrically connected with the knob switch assembly through the plug-in component, an air temperature and humidity sensor is arranged on the sensor assembly, an AUTO gear is arranged on the knob switch assembly, the electric defroster is installed in an automobile instrument desk, the electric defroster is electrically connected with the knob switch, a defroster air outlet is formed in the electric defroster, and the electric defroster air outlet is connected with the knob switch. And the air outlet of the defroster is communicated with a defrosting air duct in the automobile instrument desk. The air temperature and humidity sensor monitors the temperature and humidity of air, the front windshield temperature sensor monitors the temperature of a front windshield, and the electric defroster is automatically controlled to be turned on and turned off through the knob switch assembly.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile glass defrosting, in particular to an electric defroster with an automatic defrosting function. Background Art

[0002] Currently, bus defrosters are divided into three types: water-heated, electric, and integrated water and electricity. Water-heated systems are commonly used on tourist buses, while electric and integrated water and electricity systems are used on city buses. There are two control methods for defrosters: a rocker switch, commonly used for water-heated systems, which controls the fan speed and internal and external circulation. A rotary switch controls electric and water-heated systems, with settings of 1, 2, 3, 4, and 5 for fan speed, a button for turning the heater on and off, and a button for internal and external circulation.

[0003] During the winter rush hour, when passenger traffic is heavy and road conditions are complex, especially in rainy and snowy weather, drivers have to both drive and maintain the windshield. Frequently operating the defroster can be distracting and easily lead to traffic accidents. It is urgently needed for those skilled in the art to develop an electric defroster that can automatically defog the windshield. Utility Model Content

[0004] In view of this, the utility model provides an electric defroster with automatic defrosting function to solve the above problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An electric defroster with an automatic defrost function comprises: a sensor assembly, a knob switch assembly, a plug-in component and an electric defroster, wherein the sensor assembly is adhered to the front windshield of a car, the knob switch assembly is mounted on the central control instrument panel of the car, the sensor assembly is electrically connected to the knob switch assembly via the plug-in component, the sensor assembly is provided with an air temperature and humidity sensor, the knob switch assembly is provided with an AUTO gear, the electric defroster is mounted in the instrument panel of the car, the electric defroster is electrically connected to the knob switch, a plurality of defroster air outlets are provided on the electric defroster, and the plurality of defroster air outlets are connected to the defrost air duct pipeline in the instrument panel of the car.

[0007] Furthermore, the sensor assembly is also provided with a front windshield temperature sensor, the front windshield temperature sensor is directly attached to the front windshield of the car, and the front windshield temperature sensor is electrically connected to the knob switch assembly.

[0008] Furthermore, the knob switch assembly is provided with multiple manual adjustment gears for manually controlling the electric defroster.

[0009] Furthermore, the plug-in component includes a first plug-in and a second plug-in, the first plug-in and the second plug-in are electrically connected, the first plug-in is plugged into the sensor assembly, the knob switch assembly is provided with a sensor socket, and the second plug-in is plugged into the sensor socket.

[0010] Furthermore, a PTC heating component and a fan are fixedly installed inside the electric defroster, and a damper execution system is installed outside the electric defroster. The PTC heating component is located at the air inlet end of the defroster air outlet and at the output end of the fan; the damper execution system is located at the air inlet on the car body, and the PTC heating component, fan and the damper execution system are all electrically connected to the knob switch assembly.

[0011] Furthermore, the damper execution system is provided with an external air inlet filter.

[0012] Furthermore, the knob switch assembly is provided with a fan socket, a high-voltage relay socket and a damper actuator socket, the PTC heating component is provided with an over-temperature switch plug-in, the over-temperature switch plug-in is plugged into the high-voltage relay socket, the fan is provided with a fan plug-in, the fan plug-in is plugged into the fan socket, and the damper execution system is provided with a damper actuator plug-in, the damper actuator plug-in is plugged into the damper actuator socket.

[0013] Furthermore, a heating switch and a heating indicator light are provided on the knob switch assembly, and the heating indicator light and the high-voltage relay socket are both electrically connected to the heating switch.

[0014] Furthermore, the knob switch assembly is provided with an external circulation switch and an external circulation indicator light, and the external circulation indicator light and the damper actuator socket are both electrically connected to the external circulation switch.

[0015] The beneficial effects of the present invention are:

[0016] The utility model monitors the temperature and humidity of the ambient air through the air temperature and humidity sensor to control the opening of the electric defroster, and monitors the temperature of the front windshield through the front windshield temperature sensor to control the closing of the electric defroster, thereby realizing automatic opening and closing of the electric defroster, saving energy and electricity, reducing manual control, and preventing the driver from forgetting to turn off the heating function due to being busy, thereby improving driver safety; the utility model is easy to install, and the sensor assembly can be pasted on the front windshield. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are merely embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.

[0018] Figure 1 It is a structural diagram of the sensor assembly;

[0019] Figure 2 This is the front view of the knob switch assembly;

[0020] Figure 3 It is a side view of the knob switch assembly;

[0021] Figure 4 It is a half-section view of the electric defroster;

[0022] Among them, in the figure:

[0023] 1-Air temperature and humidity sensor, 2-Front windshield temperature sensor, 3-First plug-in, 4-Second plug-in, 5-Knob, 6-Heating switch, 7-Heating indicator light, 8-External circulation switch, 9-External circulation indicator light, 10-Knob switch heat dissipation hole, 11-Knob switch power socket, 12-Fan socket, 13, High-voltage relay socket, 14-Damper actuator socket, 15-Sensor plug-in, 16-Defroster air outlet, 17-PTC heating component, 18-Over-temperature switch plug-in, 19-Fan plug-in, 20-Damper actuator plug-in, 21-Damper execution system, 22-External air inlet filter, 23-Fan, 24-Electric defroster power socket. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] Example

[0026] Refer to the attached Figure 1-4As shown, the utility model provides an electric defroster with automatic defrosting function, including: a sensor assembly, a knob switch assembly, a plug-in component and an electric defroster, the sensor assembly is attached to the front windshield of the car, the knob switch assembly is installed on the central control instrument panel of the car, the sensor assembly is electrically connected to the knob switch assembly through the plug-in component, the sensor assembly is provided with an air temperature and humidity sensor 1, the air temperature and humidity sensor 1 regularly measures the air humidity and air temperature, and the measurement results are output as 12-bit precision ADC sampling values, and the sending unit transmits the data through the II The C bus receives commands from the rotary switch, and when results need to be read, the sending unit sends the collected data to the rotary switch. The rotary switch assembly is provided with an AUTO position. When the knob 5 of the rotary switch assembly is in the AUTO position, the rotary switch assembly can control functions such as fan speed regulation, external air intake, and heating control within the electric defroster. The electric defroster is installed in the vehicle instrument panel and is electrically connected to the rotary switch. The electric defroster is provided with multiple defroster air outlets 16, which are connected to the defroster air duct pipes within the vehicle instrument panel. The rotary switch assembly and the electric defroster are both provided with a rotary switch power socket 11 and an electric defroster power socket 24. The rotary switch power socket 11 and the electric defroster power socket 24 are electrically connected to the vehicle power supply to power the rotary switch assembly and the electric defroster.

[0027] When the knob 5 of the knob switch assembly points to the AUTO gear, the air temperature and humidity sensor 1 on the front windshield monitors the temperature and humidity of the air in the car cockpit. The knob switch assembly controls the opening of the electric defroster according to the temperature and humidity of the air in the environment. The electric defroster defrosts and defogs by turning on the external circulation and / or directing hot air through the defroster air outlet 16 into the defrost air duct in the car dashboard, and then blowing the hot air into the front windshield.

[0028] In a preferred embodiment, the sensor assembly is further provided with a windshield temperature sensor 2, which is attached to the vehicle's windshield and electrically connected to the rotary switch assembly. The windshield temperature sensor 2 monitors the temperature of the windshield. When the windshield temperature reaches a level where frost and fog are no longer generated, the rotary switch assembly controls the electric defroster to shut down, thereby terminating defrosting and defoggering.

[0029] In a preferred embodiment, the rotary switch assembly is further provided with multiple manual adjustment positions. When the knob 5 is in the multi-level manual adjustment position, the electric defroster can be manually controlled, enabling manual control of the electric defroster's opening and closing, as well as fan speed regulation, external air intake, and heating control within the electric defroster. The rotary switch assembly is also provided with a rotary switch heat dissipation hole 10 for dissipating heat from the rotary switch assembly.

[0030] In a preferred embodiment, the plug-in component includes a first plug-in 3 and a second plug-in 4, the first plug-in 3 and the second plug-in 4 are electrically connected, the first plug-in 3 is plugged into the sensor assembly, the knob switch assembly is provided with a sensor plug-in 15, and the second plug-in 4 is plugged into the sensor plug-in 15.

[0031] In a preferred embodiment, a PTC heating element 17 and a fan 23 are fixedly installed inside the electric defroster, and a damper actuator system 21 is installed outside the electric defroster. The PTC heating element 17 is located at the air inlet end of the defroster air outlet 16 and at the output end of the fan 23. The damper actuator system 21 is located at the air inlet end of the vehicle body. The PTC heating element 17, fan 23, and damper actuator system 21 are all electrically connected to the knob switch assembly. When the defroster is turned on, the fan 23 operates, the PTC heating element 17 generates heat, and the hot air quickly blows away fog and external frost on the glass. When there are many passengers and the humidity is high, the damper actuator system 21 needs to be opened to activate the external circulation to ensure effective defrosting.

[0032] In a preferred embodiment, the damper actuator system 21 is provided with an external air inlet filter 22 to prevent dust particles in the air from entering the electric defroster when the external circulation is turned on.

[0033] In a preferred embodiment, a fan socket 12, a high-voltage relay socket 13 and a damper actuator socket 14 are provided on the knob switch assembly, an over-temperature switch plug-in 18 is provided on the PTC heating component 17, the over-temperature switch plug-in 18 is plugged into the high-voltage relay socket 13, a fan plug-in 19 is provided on the fan 23, the fan plug-in 19 is plugged into the fan socket 12, a damper actuator socket 14 is provided on the damper execution system 21, and the damper actuator plug-in 20 is plugged into the damper actuator socket 14.

[0034] In a preferred embodiment, a heating switch 6 and a heating indicator light 7 are provided on the knob switch assembly, and the heating indicator light 7 and the high-voltage relay socket 13 are both electrically connected to the heating switch 6 .

[0035] In a preferred embodiment, the knob switch assembly is provided with an external circulation switch 8 and an external circulation indicator light 9 , and the external circulation indicator light 9 and the damper actuator socket 14 are both electrically connected to the external circulation switch 8 .

[0036] How it works

[0037] When the knob switch assembly is set to the AUTO position, the automatic defrost function will be turned on. The knob switch assembly will read the air humidity value and air temperature value sent by the air temperature and humidity sensor 1, and turn on the electric defroster, heating function and external circulation function based on this data.

[0038] 1. When the air temperature is less than 5℃ and the air humidity is greater than 75%, the electric defroster will turn on the heating function and external circulation function;

[0039] 2. When the air temperature is less than 5℃ and the air humidity is less than 75%, the electric defroster will turn on the heating function;

[0040] 3. When the air temperature is greater than 5℃ and lower than 25℃, and the air humidity is higher than 75%, the electric defroster will turn on the heating function for 60S and the external circulation will be turned on at the same time.

[0041] 4. When the air temperature is greater than 5℃ and lower than 25℃, and the air humidity is lower than 75%, the electric defroster will turn on the heating function for 60 seconds.

[0042] 5. When the air temperature is higher than 25℃ and the air humidity is higher than 75%, the electric defroster will turn on the blowing function and the external circulation will be turned on at the same time.

[0043] 6. When the air temperature is higher than 25℃ and the air humidity is lower than 75%, the electric defroster will automatically defrost and turn on the blowing function.

[0044] 7. The front windshield temperature sensor 2 monitors the temperature of the front windshield. When it is detected that the temperature of the front windshield reaches a level where frost and fog will not form, the electric defroster is controlled to be turned off through the knob switch assembly, ending defrosting and defoggering.

[0045] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. Reference can be made to the common and similar parts between the various embodiments. For the devices disclosed in the embodiments, since they correspond to the methods disclosed in the embodiments, the description is relatively simple, and the relevant parts can be referred to the method description.

[0046] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An electric defroster with automatic defrosting function, characterized in that: include: A sensor assembly, a knob switch assembly, a plug-in component and an electric defroster, wherein the sensor assembly is attached to the front windshield of a car, the knob switch assembly is mounted on the central control instrument panel of the car, the sensor assembly is electrically connected to the knob switch assembly via the plug-in component, an air temperature and humidity sensor (1) is provided on the sensor assembly, an AUTO gear is provided on the knob switch assembly, the electric defroster is mounted in the instrument panel of the car, the electric defroster is electrically connected to the knob switch, a plurality of defroster air outlets (16) are provided on the electric defroster, and the plurality of defroster air outlets (16) are connected to a defroster air duct in the instrument panel of the car.

2. The electric defroster with automatic defrosting function according to claim 1, characterized in that: The sensor assembly is also provided with a front windshield temperature sensor (2), the front windshield temperature sensor (2) is attached to the front windshield of the automobile, and the front windshield temperature sensor (2) is electrically connected to the knob switch assembly.

3. The electric defroster with automatic defrosting function according to claim 1, characterized in that: The knob switch assembly is also provided with multiple levels of manual adjustment gears for manually controlling the electric defroster.

4. The electric defroster with automatic defrosting function according to claim 1, characterized in that: The plug-in component comprises a first plug-in (3) and a second plug-in (4), wherein the first plug-in (3) and the second plug-in (4) are electrically connected, the first plug-in (3) is plugged into the sensor assembly, the knob switch assembly is provided with a sensor plug-in (15), and the second plug-in (4) is plugged into the sensor plug-in (15).

5. The electric defroster with automatic defrosting function according to claim 1, characterized in that: A PTC heating component (17) and a fan (23) are fixedly arranged inside the electric defroster, and a damper actuator system (21) is arranged outside the electric defroster. The PTC heating component (17) is located at the air inlet end of the defroster air outlet (16) and at the output end of the fan (23); the damper actuator system (21) is located at the air inlet on the vehicle body, and the PTC heating component (17), the fan (23) and the damper actuator system (21) are all electrically connected to the knob switch assembly.

6. The electric defroster with automatic defrosting function according to claim 5, characterized in that: The damper execution system (21) is provided with an external air inlet filter (22).

7. The electric defroster with automatic defrosting function according to claim 5, characterized in that: The knob switch assembly is provided with a fan socket (12), a high-voltage relay socket (13) and a damper actuator socket (14); the PTC heating component (17) is provided with an over-temperature switch plug-in (18), and the over-temperature switch plug-in (18) is plugged into the high-voltage relay socket (13); the fan (23) is provided with a fan plug-in (19), and the fan plug-in (19) is plugged into the fan socket (12); the damper actuator system (21) is provided with a damper actuator plug-in (20), and the damper actuator plug-in (20) is plugged into the damper actuator socket (14).

8. The electric defroster with automatic defrosting function according to claim 7, characterized in that: The knob switch assembly is provided with a heating switch (6) and a heating indicator light (7), and the heating indicator light (7) and the high-voltage relay socket (13) are both electrically connected to the heating switch (6).

9. The electric defroster with automatic defrosting function according to claim 7, characterized in that: The knob switch assembly is provided with an external circulation switch (8) and an external circulation indicator light (9), and the external circulation indicator light (9) and the damper actuator socket (14) are both electrically connected to the external circulation switch (8).

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