CN217514940U

CN217514940U - Automobile front windshield

Info

Publication number: CN217514940U
Application number: CN202221073829.0U
Authority: CN
Inventors: 李圣根; 钟康全
Original assignee: Shenzhen Xinyi Automobile Glass Co Ltd
Current assignee: Shenzhen Xinyi Automobile Glass Co Ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-09-30
Anticipated expiration: 2032-05-05

Abstract

The application belongs to the technical field of auto parts, and provides an automobile front windshield, which comprises a glass substrate and an electric connector, wherein the glass substrate is provided with a perspective area and a first heating area surrounding the perspective area, the perspective area allows light to penetrate, the inner surface of the first heating area is full of a silver paste circuit extending in a snake-shaped bending manner, the first heating area is further provided with an anode welding piece and a cathode welding piece, and two ends of the silver paste circuit are respectively connected to the anode welding piece and the cathode welding piece; the electric connection joint is provided with a positive electrode lead and a negative electrode lead, the two ends of the positive electrode lead are respectively connected to the positive electrode soldering lug and the positive electrode of the external power supply, and the two ends of the negative electrode lead are respectively connected to the negative electrode soldering lug and the negative electrode of the external power supply. The application provides a windshield before car can avoid the perspective district fog that corresponds with the camera position through effective and with low costs mode, guarantees driving safety.

Description

Automobile front windshield

Technical Field

The application relates to the technical field of automobile accessories, in particular to an automobile front windshield.

Background

As Advanced Driving Assistance Systems (ADAS) of automobiles become more and more popular, cameras have come to be equipped on more and more automobiles. Windscreen generally includes the glass substrate before the car that is equipped with the camera, and the glass substrate has the perspective area, and the camera sets up towards windscreen's perspective area, and the camera can see through windscreen's perspective area observation plantago driving environment. However, in autumn and winter or in rainy days, the temperature difference between the inside and the outside of the front windshield is large, the inner surface of the front windshield is easily fogged, and after the inner surface of the perspective area is fogged, the camera can be interfered, so that the driving safety is not facilitated.

In the prior art, in order to solve the above problems, there are front windshields provided with a warm air device or a transparent conductive film on the market, the warm air device can blow warm air to the inner surface of the see-through area to heat the see-through area, but in the process of using the front windshields provided with the warm air device, the warm air cannot well prevent the see-through area from fogging; and the front windshield with the transparent conductive film is high in cost, and no effective and low-cost automobile front windshield exists in the market, so that fogging of a perspective area can be avoided.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a front windshield of an automobile to solve the front windshield that has the camera in the market that exists among the prior art, can not be with the mode of taking into account cost and defogging validity, avoid the perspective area that the camera corresponds to fog technical problem.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: provided is an automobile front windshield comprising:

the glass substrate is provided with a see-through area and a first heating area surrounding the see-through area, the see-through area allows light to penetrate through, the inner surface of the first heating area is fully distributed with a silver paste line which is bent and extends in a snake shape, the first heating area is further provided with a positive electrode soldering terminal and a negative electrode soldering terminal, and two ends of the silver paste line are respectively connected with the positive electrode soldering terminal and the negative electrode soldering terminal;

the electric connection joint, the electric connection joint has anodal wire and negative pole wire, the both ends of anodal wire connect respectively in anodal soldering lug and external power source's positive pole, the both ends of negative pole wire connect respectively in the negative pole soldering lug with external power source's negative pole.

In one embodiment, the silver paste circuit comprises a plurality of serpentine traces which are sequentially connected and surround the see-through area, the head ends of the serpentine traces are connected to the positive electrode bonding pad, the tail ends of the serpentine traces are connected to the negative electrode bonding pad, each serpentine trace comprises a plurality of bending sections and a plurality of extending sections which are alternately connected, the extending sections of the same serpentine trace are arranged in parallel, and the distances between the adjacent extending sections of the same serpentine trace are equal.

In one embodiment, the see-through area is provided with a first bevel edge, an upper bottom edge, a second bevel edge and a lower bottom edge which are connected in sequence, the upper bottom edge and the lower bottom edge are arranged in parallel, and the first bevel edge and the second bevel edge are respectively connected between the upper bottom edge and the lower bottom edge; the number of the serpentine traces is six, the six serpentine traces are respectively a first trace, a second trace, a third trace, a fourth trace, a fifth trace and a sixth trace, the first trace and the sixth trace are arranged on the periphery of the first bevel edge, the second trace serpentine trace is arranged on the periphery of the upper bottom edge, the third trace and the fourth trace are arranged on the periphery of the second bevel edge, and the fifth trace is arranged on the periphery of the lower bottom edge.

In one embodiment, the angle between the extended segment of the first trace and the first oblique side is 85 ° -95 °, the angle between the extended segment of the third trace and the second oblique side is 85 ° -95 °, the extended segments of the second and fifth traces are both perpendicular to the bottom edge, and the extended segments of the fourth and sixth traces are parallel to the bottom edge.

In one embodiment, the region of the first heating region on which the first trace, the second trace, and the third trace are disposed and the upper portion of the see-through region form a substantially trapezoidal shape, the region of the first heating region on which the fourth trace, the fifth trace, and the sixth trace are disposed and the lower portion of the see-through region form a substantially rectangular shape, and a total length of the first trace, the second trace, and the third trace is less than a total length of the fourth trace, the fifth trace, and the sixth trace.

In one embodiment, the automobile front windshield comprises a black edge area, an air bubble area and a second heating area which are sequentially arranged from the outer side to the inner side of the automobile front windshield, and the first heating area and the transparent area are arranged in the black edge area.

In one embodiment, the second heating zone is provided with a transparent conductive oxide film or a plurality of heat-generating tungsten filaments.

In one embodiment, the black edge area is further provided with at least one of a humidity sensor, a temperature sensor, a rain sensor, a rainfall sensor and a light sensor.

In one embodiment, a protective layer is further arranged on the glass substrate, the protective layer covers the silver paste circuit layer, and the protective layer is a PET (polyethylene terephthalate) film or a PVC (polyvinyl chloride) film.

In one embodiment, the glass substrate is a laminated glass.

The application provides a windshield's before car beneficial effect lies in: compared with the prior art, the automobile front windshield of the application is characterized in that the perspective area is surrounded by the first heating area, the first heating area is fully distributed with the silver paste circuit which is bent and extended in a snake shape, the first heating area is also provided with the positive electrode soldering lug and the negative electrode soldering lug, two ends of the silver paste circuit are respectively electrically connected with the positive electrode soldering lug and the negative electrode soldering lug, the positive electrode soldering lug is connected to the positive electrode of an external power supply through the positive electrode lead of the electrical connector, the negative electrode soldering lug is connected to the negative electrode of the external power supply through the negative electrode lead of the electrical connector, when the temperature difference between the inside and the outside of the automobile front windshield is large, the external power supply supplies power to the silver paste circuit, the silver paste circuit can heat the first heating area, the temperature of the perspective area surrounded by the first heating area is further raised, the fog of the perspective area can be effectively avoided, the normal work of the camera corresponding to the position of the perspective area is ensured, and the cost of the silver paste circuit is far lower than that of a transparent conductive film in the prior art, therefore, the automobile front windshield can avoid fogging of the perspective area corresponding to the camera in an effective and low-cost mode, and driving safety is guaranteed.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic structural diagram of an automotive front windshield according to an embodiment of the present application;

FIG. 2 is an enlarged view of the front windshield of the vehicle shown in FIG. 1 at A;

fig. 3 is a schematic structural diagram of a see-through region and a first heating region of an automotive front windshield according to an embodiment of the present application.

Wherein, in the figures, the respective reference numerals:

100-a glass substrate; 110-see-through region; 111-a first hypotenuse; 112-upper bottom edge; 113-a second beveled edge; 114-lower base edge; 120-a first heating zone; 130-silver paste line; 131-a serpentine trace; 132-a bending section; 133-an extension; 1311-first trace; 1312-a first trace; 1313-third trace; 1314-a fourth trace; 1315-fifth trace; 1316-sixth trace; 140-positive electrode tab; 150-negative electrode tab; 160-black border region; 170-bubble area; 180-a second heating zone;

200-an electrical connector; 210-positive electrode lead; 220-negative electrode lead; 230-connecting the joints.

300-rain sensor.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present application and should not be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, is not to be considered as limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment" or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Referring to fig. 1 to 3, a front windshield of an automobile according to an embodiment of the present application will be described. The automobile front windshield glass comprises a glass substrate 100 and an electrical connector 200, wherein the glass substrate 100 is provided with a perspective area 110 and a first heating area 120 surrounding the perspective area 110, the perspective area 110 allows light to transmit, a silver paste circuit 130 which is bent and extends in a snake shape is fully distributed on the inner surface of the first heating area 120, the first heating area 120 is further provided with an anode soldering terminal 140 and a cathode soldering terminal 150, and two ends of the silver paste circuit 130 are respectively connected to the anode soldering terminal 140 and the cathode soldering terminal 150; the electrical connector 230 has a positive electrode lead 210 and a negative electrode lead 220, wherein two ends of the positive electrode lead 210 are respectively connected to the positive electrode pad 140 and the positive electrode of the external power source, and two ends of the negative electrode lead 220 are respectively connected to the negative electrode pad 150 and the negative electrode of the external power source.

The application provides a windshield before car, compared with the prior art, when windshield's inside and outside difference in temperature is great before the car, external power source is silver thick liquid circuit 130 power supply, silver thick liquid circuit 130 can heat first zone of heating 120, and then make the temperature rise by the see-through area 110 that first zone of heating 120 surrounds, can avoid see-through area 110 to haze effectively, guarantee the camera normal work that corresponds with see-through area 110 position, and silver thick liquid circuit 130's cost is far less than the transparent conductive film among the prior art, it is visible, windshield before the car that this application provided, can avoid appearing fog with the see-through area 110 that the camera corresponds through effective and with low costs mode, guarantee driving safety.

Optionally, the glass substrate 100 is a laminated glass.

Optionally, the electrical connector 200 further includes a connection connector 230, and the connection connector 230 is used for simultaneously connecting the positive electrode lead 210 and the negative electrode lead 220 to an external power source.

In another embodiment of the present application, referring to fig. 2, the silver paste circuit 130 includes a plurality of serpentine traces 131 sequentially connected to and surrounding the see-through region 110, the first ends of the plurality of serpentine traces 131 are connected to the positive electrode pad 140, the ends of the plurality of serpentine traces 131 are connected to the negative electrode pad 150, each serpentine trace 131 includes a plurality of bending sections 132 and a plurality of extending sections 133 alternately connected, the plurality of extending sections 133 of the same serpentine trace 131 are disposed in parallel, and the distances between adjacent extending sections 133 of the same serpentine trace 131 are equal.

It should be noted that the number of the serpentine traces 131 may be two, three, four, etc., and may be set according to needs, which is not limited herein.

By adopting the structure, because the extension segments 133 of the same snake-shaped trace 131 are arranged in parallel, and the distance between the adjacent extension segments 133 of the same snake-shaped trace 131 is equal, the snake-shaped trace 131 is uniformly arranged on the first heating area 120, the first heating area 120 can be uniformly heated, and then the heat of the first heating area 120 is uniformly transferred to the perspective area 110 from each direction of the perspective area 110, the fog of the perspective area 110 can be better avoided, and the driving safety is ensured.

In another embodiment of the present application, referring to fig. 3, the see-through region 110 has a first oblique side 111, an upper bottom side 112, a second oblique side 113 and a lower bottom side 114 which are connected in sequence, the upper bottom side 112 and the lower bottom side 114 are arranged in parallel, and the first oblique side 111 and the second oblique side 113 are respectively connected between the upper bottom side 112 and the lower bottom side 114, and it can be understood that the see-through region 110 has a trapezoidal shape.

Referring to fig. 3, the number of serpentine traces 131 is six segments, and the six segments of serpentine traces 131 are a first trace 1311, a second trace 1312, a third trace 1313, a fourth trace 1314, a fifth trace 1315, and a sixth trace 1316, respectively. The first trace 1311 is disposed on the outer periphery of the first oblique side 111 of the half-viewing region 110, and each extension 133 of the first trace 1311 may form an angle of 85 ° -95 ° with the first oblique side 111; the second trace 1312 is disposed at the outer periphery of the upper bottom edge 112 of the see-through region 110, and each extension 133 of the second trace 1312 may be perpendicular to the upper bottom edge 112 of the see-through region 110; the third trace 1313 is disposed around the second oblique side 113 of the see-through region 110, and each extension 133 of the third trace 1313 may be angled from 85 to 95 relative to the second oblique side 113 of the see-through region 110; the fourth wire trace 1314 is disposed around the second oblique side 113 of the see-through region 110, and each extension 133 of the fourth wire trace 1314 may be parallel to the lower base 114 of the see-through region 110; the fifth trace 1315 is located at the periphery of the lower bottom edge 114 of the see-through region 110, and each extension 133 of the fifth trace 1315 may be perpendicular to the lower bottom edge 114 of the see-through region 110; the sixth wire trace 1316 is disposed around the perimeter of the first oblique side 111 of the see-through region 110, and each extension 133 of the sixth wire trace 1316 may be parallel to the lower base 114 of the see-through region 110.

Also, referring to fig. 3, the distances between adjacent extended segments 133 of the first wire trace 1311, the second wire trace 1312, the third wire trace 1313, the fourth wire trace 1314, the fifth wire trace 1315 and the sixth wire trace 1316 are all equal, for example, the distance between adjacent extended segments 133 of the first wire trace 1311 may be 3 mm, and the distance between adjacent extended segments 133 of the second wire trace 1312, the distance between adjacent extended segments 133 of the third wire trace 1313, the distance between adjacent extended segments 133 of the fourth wire trace 1314, the distance between adjacent extended segments 133 of the fifth wire trace 1315 and the distance between adjacent extended segments 133 of the sixth wire trace 1316 are all 3 mm.

The automobile front windshield provided by the embodiment sets the distance between the adjacent extension segments 133 of each trace to be equal, so that the silver paste circuit 130 is uniformly distributed on the first heating area 120, the temperature of each part of the see-through area 110 is uniformly increased, the defogging effect is ensured, and the heat stress concentration area of the see-through area 110 is not easy to appear.

In another embodiment of the present application, referring to fig. 3, an area of the first heater zone 120 on which the first trace 1311, the second trace 1312, and the third trace 1313 are disposed and an upper portion (an area near the upper bottom edge 112) of the see-through region 110 form a substantially trapezoidal shape, an area of the first heater zone 120 on which the fourth trace 1314, the fifth trace 1315, and the sixth trace 1316 are disposed and a lower portion (an area near the lower bottom edge 114) of the see-through region 110 form a substantially rectangular shape, and a total length of the first trace 1311, the second trace 1312, and the third trace 1313 is less than a total length of the fourth trace 1314, the fifth trace 1315, and the sixth trace 1316.

It should be noted that the area of the first heater zone 120 on which the first trace 1311, the second trace 1312 and the third trace 1313 are disposed and the upper portion (the area near the upper bottom edge 112) of the see-through region 110 may form a trapezoid or a rounded trapezoid, and the area of the first heater zone 120 on which the fourth trace 1314, the fifth trace 1315 and the sixth trace 1316 are disposed and the lower portion (the area near the lower bottom edge 114) of the see-through region 110 may form a rectangle or a rounded rectangle.

Compared with the upper part of the see-through area 110, the automobile front windshield provided by the embodiment has the advantages that the area of the lower part of the see-through area 110 is larger, the fourth trace 1314, the fifth trace 1315 and the sixth trace 1316 which are longer in length are arranged on the periphery of the lower part of the see-through area 110, and the first trace 1311, the second trace 1312 and the third trace 1313 which are shorter in length are arranged on the periphery of the upper part of the see-through area 110, so that the temperature of all parts of the see-through area 110 is uniformly increased, the region with concentrated thermal stress is not easy to occur, and the fogging of the see-through area 110 can be better avoided.

In another embodiment of the present application, referring to fig. 1 and 2, the front windshield of the vehicle includes a black border region 160, an air bubble region 170, and a second heating region 180, which are sequentially disposed from the outside to the inside of the front windshield of the vehicle, and the first heating region 120 and the see-through region 110 are disposed in the black border region 160. The second heating zone 180 is provided with a transparent conductive oxide film or a number of heating tungsten filaments.

It should be noted that the black edge area 160 is printed with black ink, and the see-through area 110 is located in the black edge area 160, and it can be understood that the see-through area 110 is located in the black edge area 160, but the see-through area 110 is not shielded by the black ink in the black edge area 160, and can still transmit light, and the first heating area 120 is disposed in the black edge area 160, and the silver paste line 130 is printed on the black ink, so that the silver paste line 130 cannot be observed from the front side of the front windshield of the automobile, and the aesthetic measure of the front windshield of the automobile can be improved.

The bubble area 170 has a plurality of black bubbles, and the closer to the center of the glass substrate 100, the smaller the diameter of the black bubbles, and the black bubbles can more uniformly transfer heat to the center of the glass substrate 100 after absorbing heat, thereby avoiding the occurrence of a region with suddenly changed temperature on the glass substrate 100 and ensuring that the glass substrate 100 is not cracked due to local thermal stress.

The second heating area 180 can allow light to pass through, the second heating area 180 is a main area of a front windshield of the automobile, and an automobile driver can observe the driving environment in front of the automobile through the second heating area 180. Set up transparent conductive oxide film or a plurality of tungsten filament that generate heat in second zone of heating 180, can advance the heating to second zone of heating 180, avoid the second to heat 180 hazing of zone of heating, guarantee that motorist's field of vision can not be sheltered from.

In another embodiment of the present application, referring to fig. 2, the black-edge area 160 further includes at least one of a humidity sensor (not shown), a temperature sensor (not shown), a rain sensor 300, and a light sensor (not shown).

The above-mentioned sensor is used for with controller or driving computer electric connection, during above-mentioned sensor and driving computer electric connection, the humidity that the driving computer can detect according to humidity transducer, the defogging defrosting operation of control car, the driving computer can be according to rainwater sensor and rainfall sensor 300's detection parameter, the opening and close and the functioning speed of control windshield wiper, the driving computer can also be according to the illumination intensity that light sensor detected, the opening and close of the car light of control car and the luminance of regulation car light. The sensor is arranged, so that the function of the front windshield of the automobile can be enriched, and the automatic and safe driving of an automobile driver is assisted.

In another embodiment of the present application, a protective layer (not shown) is further disposed on the glass substrate 100, and the protective layer covers the silver paste circuit 130, and is a PET film or a PVC film. The protective layer can prevent the silver paste circuit 130 from falling off, oxidizing or scratching in the using process, and the service life of the silver paste circuit 130 is guaranteed.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An automotive front windshield, comprising:

2. The automobile front windshield according to claim 1, wherein the silver paste line comprises a plurality of serpentine traces which are sequentially connected and surround the see-through area, the head ends of the serpentine traces are connected to the positive electrode bonding pad, the tail ends of the serpentine traces are connected to the negative electrode bonding pad, each serpentine trace comprises a plurality of bending sections and a plurality of extending sections which are alternately connected, the extending sections of the same serpentine trace are arranged in parallel, and the distances between the adjacent extending sections of the same serpentine trace are equal.

3. The automotive front windshield according to claim 2, wherein the see-through region has a first oblique edge, an upper bottom edge, a second oblique edge and a lower bottom edge which are connected in sequence, the upper bottom edge and the lower bottom edge are arranged in parallel, and the first oblique edge and the second oblique edge are respectively connected between the upper bottom edge and the lower bottom edge; the number of the serpentine traces is six, the six serpentine traces are respectively a first trace, a second trace, a third trace, a fourth trace, a fifth trace and a sixth trace, the first trace and the sixth trace are arranged on the periphery of the first bevel edge, the second trace serpentine trace is arranged on the periphery of the upper bottom edge, the third trace and the fourth trace are arranged on the periphery of the second bevel edge, and the fifth trace is arranged on the periphery of the lower bottom edge.

4. The automotive front windshield according to claim 3, wherein the angle between the extension of the first trace and the first beveled edge is from 85 ° to 95 °, the angle between the extension of the third trace and the second beveled edge is from 85 ° to 95 °, the extensions of the second and fifth traces are both perpendicular to the lower base edge, and the extensions of the fourth and sixth traces are parallel to the lower base edge.

5. The automotive front windshield according to claim 3, wherein the area on the first heating zone where the first, second, and third traces are provided and an upper portion of the see-through region form a substantially trapezoidal shape, the area on the first heating zone where the fourth, fifth, and sixth traces are provided and a lower portion of the see-through region form a substantially rectangular shape, and a total length of the first, second, and third traces is smaller than a total length of the fourth, fifth, and sixth traces.

6. The front windshield according to claim 1, wherein the front windshield comprises a black border area, a bubble area and a second heating area which are arranged from the outer side to the inner side of the front windshield in sequence, and the first heating area and the see-through area are arranged in the black border area.

7. The vehicle front windshield according to claim 6, wherein the second heating zone is provided with a transparent conductive oxide film or a plurality of heat-generating tungsten filaments.

8. The automobile front windshield according to claim 6, wherein the black edge area is further provided with at least one of a humidity sensor, a temperature sensor, a rain sensor and a light sensor.

9. The automobile front windshield according to claim 1, wherein a protective layer is further arranged on the glass substrate, the protective layer covers the silver paste circuit layer, and the protective layer is a PET film or a PVC film.

10. The automotive front windshield according to any one of claims 1-9, wherein the glass substrate is a laminated glass.