CN219041997U

CN219041997U - Vehicle-mounted integrated video entertainment system

Info

Publication number: CN219041997U
Application number: CN202223536837.7U
Authority: CN
Inventors: 李爱华; 陈小兵
Original assignee: Hunan Haibo Intelligent Control Technology Co ltd
Current assignee: Hunan Haibo Intelligent Control Technology Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-16
Anticipated expiration: 2032-12-28

Abstract

The application is applicable to the technical field of vehicle-mounted video and audio, and provides a vehicle-mounted integrated video and audio entertainment system, which comprises a display screen module, a plastic front shell, an integrated sheet metal part bracket, a main PCB (printed circuit board), a radiating fin and a plastic rear cover which are sequentially arranged; the back of the display screen module is adhered to the upper surface of the plastic front shell, and the display screen module, the plastic front shell and the integrated sheet metal part bracket are connected through locking screws; the integrated sheet metal part bracket, the main PCB and the radiating fin are connected through locking screws; the plastic rear cover is connected with the radiating fin through a locking screw, and is buckled and connected with the plastic front shell; the plastic front shell is equipped with communication antenna towards the surface of integral type sheet metal component support, and main PCB board is equipped with audio-visual data transmission processing circuit towards the fin on the surface, and audio-visual data transmission processing circuit is connected with communication antenna and display screen module electricity respectively. The method and the device can save the arrangement space of the vehicle-mounted video entertainment system.

Description

Vehicle-mounted integrated video entertainment system

Technical Field

The application belongs to the technical field of vehicle-mounted video and audio, and particularly relates to a vehicle-mounted integrated video and audio entertainment system.

Background

At present, products installed on a car are required to be subjected to strict test requirements, and a vehicle-mounted video entertainment system (namely a vehicle-mounted video entertainment system) is used as a product to be installed on the car, and has very strict requirements on mechanical shock resistance, product rigidity (vibration abnormal sound prevention), electric electromagnetic compatibility (EMC) and the like, so that the requirements on structural design are very high.

In the conventional design manner of the vehicle-mounted video entertainment system, the display screen part and the host part are generally designed, installed and placed separately, and the design manner causes the vehicle-mounted video entertainment system to occupy a large arrangement space.

Disclosure of Invention

The embodiment of the application provides an on-vehicle integral type audio-visual entertainment system, can solve the problem that on-vehicle audio-visual entertainment system takes up the big space of arranging.

The embodiment of the application provides an on-vehicle integrated video entertainment system, which comprises a display screen module, a plastic front shell, an integrated sheet metal part bracket, a main PCB (printed circuit board), radiating fins and a plastic rear cover which are sequentially arranged;

the back of the display screen module is adhered to the upper surface of the plastic front shell, and the display screen module, the plastic front shell and the integrated sheet metal part bracket are connected through locking screws; the integrated sheet metal part bracket, the main PCB and the radiating fin are connected through locking screws; the plastic rear cover is connected with the radiating fin through a locking screw, and is buckled and connected with the plastic front shell;

the plastic front shell is equipped with communication antenna on the surface towards integral type sheet metal component support, and main PCB board is equipped with audio-visual data transmission processing circuit on the surface towards the fin, and audio-visual data transmission processing circuit is connected with communication antenna and display screen module electricity respectively, and the back of display screen module, main PCB board, fin to and external 4G main antenna and external 4G auxiliary antenna among the communication antenna are all connected with integral type sheet metal component support electricity.

Optionally, the radiating fin faces the surface of the main PCB board, and a stainless steel spring sheet is arranged at a position corresponding to the power amplifier chip of the video and audio data transmission processing circuit, and the stainless steel spring sheet is attached to the power amplifier chip.

Optionally, the communication antenna further includes an external WIFI antenna and a GPS antenna, and the external 4G main antenna, the external 4G auxiliary antenna, the external WIFI antenna and the GPS antenna are all electrically connected with the audio-visual data transmission processing circuit.

Optionally, be equipped with first through-hole on the plastic preceding shell, be equipped with first conductive bubble cotton in the first through-hole, first conductive bubble cotton is connected with the back of display screen module, external 4G main antenna and integral type sheet metal component support electricity respectively.

Optionally, a second through hole is formed in the plastic front shell, second conductive foam is arranged in the second through hole and is electrically connected with the back surface of the display screen module, the external 4G auxiliary antenna and the integrated sheet metal part bracket respectively.

Optionally, a honeycomb reinforcing rib is arranged on the surface of the plastic front shell facing the integrated sheet metal part bracket.

Optionally, the plastic front shell is equipped with first guide post and second guide post on the surface towards integral type sheet metal component support, and the top of first guide post and the top of second guide post all expose in the fin.

Alternatively, the first and second guide posts are each 5.5mm to 6.5mm in diameter.

Optionally, the thickness of the integral sheet metal part support is 1.1mm to 1.3mm.

The scheme of the application has the following beneficial effects:

in the embodiment of the application, through a plurality of lock pair screws with integral type sheet metal component support and display screen module, plastic preceding shell, main PCB board, fin and plastic back lid connect into a whole for the display part that comprises the display screen module and the host computer part that comprises main PCB board, audio-visual data transmission processing circuit, communication antenna, fin do not need the individual design to lay the position, thereby saved the layout space greatly. Meanwhile, the integral rigidity of the vehicle-mounted integrated video entertainment system is very good, and the vibration test of vehicle-mounted parts can be easily passed.

In addition, because the integral sheet metal component support has the effect of ground because of the area is big to make the back, main PCB board, fin and external 4G main antenna and external 4G auxiliary antenna of the display screen module of direct or indirect contact with integral sheet metal component support all can realize the ground connection, and then make on-vehicle integral type audio-visual entertainment system satisfy EMC test requirement.

Other advantages of the present application will be described in detail in the detailed description section that follows.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following description will briefly introduce the drawings that are needed in the embodiments or the description of the prior art, it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an exploded view of an in-vehicle integrated audio/video entertainment system according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of a plastic front shell according to an embodiment of the present disclosure;

FIG. 3 is a schematic diagram of a plastic front shell according to an embodiment of the present disclosure;

FIG. 4 is a schematic view of an integrated sheet metal part bracket according to an embodiment of the present disclosure;

FIG. 5 is a schematic diagram of a part of an on-vehicle integrated video entertainment system according to an embodiment of the present disclosure;

fig. 6 is a schematic structural diagram of a heat sink according to an embodiment of the present disclosure.

[ reference numerals description ]

101. A display screen module; 102. a plastic front shell; 1021. honeycomb type reinforcing ribs; 1022. a first guide post; 1023. a second guide post; 103. an integral sheet metal part bracket; 104. a main PCB board; 105. a heat sink; 106. A plastic rear cover; 107. an external WIFI antenna; 108. an external 4G main antenna; 1081. a lug; 109. an external 4G auxiliary antenna; 1091. a lug; 110. a GPS antenna.

Detailed Description

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system configurations, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

It should be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It should also be understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

As used in this specification and the appended claims, the term "if" may be interpreted as "when..once" or "in response to a determination" or "in response to detection" depending on the context. Similarly, the phrase "if a determination" or "if a [ described condition or event ] is detected" may be interpreted in the context of meaning "upon determination" or "in response to determination" or "upon detection of a [ described condition or event ]" or "in response to detection of a [ described condition or event ]".

In addition, in the description of the present application and the appended claims, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.

To the big problem of arranging the space that current on-vehicle audio-visual entertainment system accounts for, this application embodiment provides an on-vehicle integral type audio-visual entertainment system, this on-vehicle integral type audio-visual entertainment system is with integral type sheet metal component support and display screen module, plastic preceding shell, main Printed Circuit (PCB) board, fin and plastic back lid connect into a whole through a plurality of lock pair screws for the display part that comprises the display screen module and the host computer part that comprises main PCB board, audio-visual data transmission processing circuit, communication antenna, fin do not need to design alone and lay the position, thereby the space has been saved greatly. Meanwhile, the integral rigidity of the vehicle-mounted integrated video entertainment system is very good, and the vibration test of vehicle-mounted parts can be easily passed.

The following describes an exemplary vehicle-mounted integrated audio/video entertainment system provided in the present application with reference to specific embodiments.

As shown in fig. 1 to 6, the vehicle-mounted integrated video entertainment system provided in the embodiment of the present application includes a display screen module 101, a plastic front shell 102, an integrated sheet metal component support 103, a main PCB 104, a heat sink 105, and a plastic rear cover 106 that are sequentially arranged.

The back surface of the display screen module 101 is adhered to the upper surface of the plastic front shell 102, and the display screen module 101, the plastic front shell 102 and the integrated sheet metal part support 103 are connected through locking screws; the integrated sheet metal part bracket 103, the main PCB 104 and the radiating fins 105 are connected through locking screws; the plastic back cover 106 is connected with the cooling fin 105 through a locking screw, and the plastic back cover 106 is buckled and connected with the plastic front shell 102.

The plastic front shell 102 is equipped with communication antenna on the surface towards integrative sheet metal component support 103, and main PCB board 104 is equipped with audio-visual data transmission processing circuit on the surface towards fin 105, and audio-visual data transmission processing circuit is connected with communication antenna and display screen module 101 electricity respectively, and the back of display screen module 101, main PCB board 104, fin 105, and external fourth generation mobile communication technology (4G) main antenna and external 4G auxiliary antenna 109 among the communication antenna all are connected with integrative sheet metal component support 103 electricity.

The communication antenna mainly includes an external wireless fidelity (WIFI) antenna and a Global Positioning System (GPS) antenna in addition to the external 4G main antenna 108 and the external 4G sub antenna 109. The external 4G main antenna 108, the external 4G sub antenna 109, the external WIFI antenna 107 and the GPS antenna 110 are all electrically connected with the audio-visual data transmission processing circuit.

It should be noted that, the above-mentioned audio-video data transmission processing circuit on the main PCB 104 is mainly used for obtaining data (such as broadcast data and image data) through a communication antenna, processing the data (such as encoding and decoding, format conversion, etc.), and outputting the processed data to the display screen module 101, so that the display screen module 101 (the display screen module 101 may be a vehicle-mounted common display screen module, and may be specifically formed by a display screen and a touch screen) displays corresponding data (such as image data and broadcast channels). Meanwhile, the audio-video data transmission processing circuit can also process the broadcast data sent by the communication antenna and then output the processed audio data to the audio equipment of the vehicle so that the audio equipment plays relevant audio and the audio-video entertainment function is realized.

In order to realize the video entertainment function, the video data transmission processing circuit can specifically comprise a central processing unit, a RADIO broadcasting (RADIO) module, a 360-degree panorama module, a power amplifier chip, a power module and the like. It should be further noted that, the connection relationship between each electronic component and each electronic component included in the audio-visual data transmission processing circuit is the same as the connection relationship between each electronic component and each electronic component used for implementing the audio-visual entertainment function in the current vehicle. Namely, the electrical connection relation and the working principle of the electronic components (including the audio-video data transmission processing circuit, the communication antenna and the display screen module 101) related to the audio-video entertainment function in the vehicle-mounted integrated audio-video entertainment system are the same as those of the electronic components for realizing the audio-video entertainment function in the current vehicle.

It is worth mentioning that the vehicle-mounted integrated video entertainment system of this application is an integer, wherein, because the integrated sheet metal component support 103 has the efficiency of ground because of the area is big to make no longer need the condition of external ground wire, with the back of the display screen module 101 of integrated sheet metal component support 103 direct or indirect contact, main PCB board 104, fin 105 and external 4G main antenna 108 and external 4G auxiliary antenna 109 homoenergetic realize the ground connection, and then make vehicle-mounted integrated video entertainment system satisfy EMC test requirement.

Meanwhile, the vehicle-mounted integrated video entertainment system connects the integrated sheet metal part support 103, the display screen module 101, the plastic front shell 102, the main PCB 104, the radiating fins 105 and the plastic rear cover 106 into a whole through the locking screws, so that a display part formed by the display screen module 101 and a host part formed by the main PCB 104, the video data transmission processing circuit, the communication antenna and the radiating fins 105 do not need to be separately designed and placed, and the arrangement space is greatly saved. Meanwhile, the integral rigidity of the vehicle-mounted integrated video entertainment system is very good, and the vibration test of vehicle-mounted parts can be easily passed.

In some scenes, the back of the display screen module 101 and the plastic front shell 102 can be glued by adopting an automatic glue dispenser, glue adopts hot melt glue, and after pressure maintaining for a set time, the two are glued into a whole, so that the display screen module has very good rigidity and integrity. Specifically, glue may be dispensed on the peripheral edge of the upper surface of the plastic front case 102 as shown in fig. 2, and then the back surface of the display module 101 is adhered to the upper surface of the plastic front case 102 by the glue. The display screen module 101 and the plastic front shell 102 are required to have better flatness before being glued by a glue dispenser, the warpage of the plastic front shell 102 is required to be less than or equal to 0.3mm, if the warpage is too large, the subsequent attaching strength is greatly influenced, the front structural design of the part is required to have high requirements, the structural design strength is good, and the deformation resistance is high, so that the honeycomb type reinforcing rib structural design scheme is adopted, namely, as shown in fig. 3, the honeycomb type reinforcing rib 1021 is arranged on the surface of the plastic front shell 102 facing the integrated sheet metal part bracket 103. The reinforcing rib has high integral strength and strong deformation resistance.

The structure of the integral sheet metal part support 103 is shown in fig. 4. In some embodiments of the present application, the thickness of the integral sheet metal part support 103 may be 1.1mm to 1.3mm, so that the rigidity of the integral sheet metal part support 103 is strong, and the deformation of plastic parts such as the plastic front shell 102 can be corrected, and meanwhile, the rigidity of the whole machine can be greatly enhanced. As a preferred example, the thickness of the integral sheet metal part holder 103 may be 1.2mm.

In some scenes, after the display screen module 101 and the plastic front shell 102 are adhered into a whole, the integrated sheet metal part support 103 can be placed on the lower surface of the plastic front shell 102, and then the display screen module 101, the plastic front shell 102 and the integrated sheet metal part support 103 are fixedly connected through the cooperation of the copper nuts riveted on the display screen module 101, the copper nuts embedded in the plastic front shell 102, the through holes on the integrated sheet metal part support 103 and the locking screws, namely the locking screws and the corresponding copper nuts. After the display screen module 101, the plastic front shell 102 and the integrated sheet metal part support 103 are fixedly connected, the main PCB 104 and the cooling fins 105 can be sequentially arranged on the lower surface of the integrated sheet metal part support 103, and the integrated sheet metal part support 103, the main PCB 104 and the cooling fins 105 are fixedly connected by utilizing a plurality of locking screws. After the main PCB 104 and the heat sink 105 are fixed on the integral sheet metal support 103, the plastic back cover 106 may be placed on the lower surface of the heat sink 105, then the plastic back cover 106 is fastened with the plastic front case 102, and then the plastic back cover 106 is fixedly connected to the heat sink 105 by using a plurality of locking screws.

Wherein, above-mentioned fin 105 is equipped with the stainless steel shell fragment towards the surface of main PCB board 104 and the position department corresponding with the power amplifier chip of audio-visual data transmission processing circuit, namely, the fin 105 is equipped with the stainless steel shell fragment towards the position that corresponds with the power amplifier chip on the surface of main PCB board 104, and after fin 105 and integrative sheet metal component support 103, main PCB board 104 fixed connection, the stainless steel shell fragment is laminated mutually with the power amplifier chip, makes power amplifier chip and fin 105 in close contact to reach the purpose of helping the quick heat dissipation of power amplifier chip. Meanwhile, 2 screws, the procedure of locking the screws and related tooling equipment are saved, and the product structure, namely the die structure, is simplified correspondingly.

More importantly, as shown in fig. 5 and fig. 6, the vehicle-mounted integrated audio/video entertainment system of the present application can keep the whole shape and structure of the heat sink 105 at the position where the power amplifier chip is located (for example, the rectangular area a in fig. 6). Regarding the assembly position relationship and angle of the current power amplifier chip and the heat sink 105, if the conventional power amplifier chip fixing manner is adopted, a large square hole is cut out of the heat sink 105 near the power amplifier chip, which seriously affects the heat dissipation efficiency of the power amplifier chip, because the heat conduction path is narrowed, the heat dissipation efficiency is also lowered, and frequent dead halt or restarting of the machine is seriously caused.

In addition, it should be noted that the stainless steel spring sheet and the heat sink 105 are fixed together in advance by a clamping manner, so as to facilitate the assembly of the vehicle-mounted integrated video entertainment system.

In some embodiments of the present application, in order to facilitate pressing in the cooling fin 105 when assembling the vehicle-mounted integrated audio/video entertainment system, as shown in fig. 5, the surface of the plastic front shell 102 facing the integrated sheet metal component support 103 is provided with the first guide post 1022 and the second guide post 1023, and the top of the first guide post 1022 and the top of the second guide post 1023 are exposed out of the cooling fin 105, so that a worker can press in the cooling fin 105 with force and force during assembling conveniently, without worrying about damaging the electronic components on the main PCB 104.

As shown in fig. 5, the first guide posts 1022 and the second guide posts 1023 pass through the heat sink 105, and the heights of the first guide posts 1022 and the second guide posts 1023 are calculated to have a sufficient length so as to perform a guiding function during the entire process of installing the heat sink 105.

In some embodiments of the present application, the diameters of the first guide post 1022 and the second guide post 1023 may be 5.5mm to 6.5mm, so as to facilitate the assembly of the worker. As a preferred example, the diameters of the first guide post and the second guide post may be 6mm.

In some embodiments of the present application, the heat sink 105 may be heat dissipating aluminum, and the stainless steel dome may be a high strength 3013/4H stainless steel dome.

Next, a principle of electrically connecting the back surface of the display screen module 101, the external 4G main antenna 108 and the external 4G sub antenna 109 with the integral sheet metal part bracket 103 to ground the back surface of the display screen module 101, the external 4G main antenna 108 and the external 4G sub antenna 109 will be described.

In some embodiments of the present application, the plastic front housing 102 is provided with a first through hole, a first conductive foam is disposed in the first through hole, and the first conductive foam is electrically connected to the back surface of the display screen module 101, the external 4G main antenna 108, and the integral sheet metal component bracket 103. As shown in fig. 5, the lug 1081 of the external 4G main antenna 108 is attached to the first conductive foam, which is shielded by the lug 1081 of the external 4G main antenna 108.

Similarly, a second through hole is formed in the plastic front shell 102, and second conductive foam is arranged in the second through hole and is electrically connected with the back surface of the display screen module 101, the external 4G auxiliary antenna 109 and the integrated sheet metal part bracket 103 respectively. As shown in fig. 5, the lug 1091 of the external 4G sub-antenna 109 is attached to the second conductive foam, and in the drawing, the second conductive foam is shielded by the lug 1091 of the external 4G sub-antenna 109.

Next, a principle of electrically connecting the main PCB 104 and the heat sink 105 (the heat sink 105 is an aluminum heat sink) to the integral sheet metal bracket 103 to ground the main PCB 104 and the heat sink 105 will be described.

In some embodiments of the present application, the contact connection portion between the main PCB 104 and the integral sheet metal support 103 may be exposed to copper, and then the integral sheet metal support 103, the main PCB 104 and the heat sink 105 may be fixedly connected together by the locking screw, so that the main PCB 104 and the heat sink 105 are electrically connected to the integral sheet metal support 103.

While the foregoing is directed to the preferred embodiments of the present application, it should be noted that modifications and adaptations to those embodiments may occur to one skilled in the art and that such modifications and adaptations are intended to be comprehended within the scope of the present application without departing from the principles set forth herein.

Claims

1. The vehicle-mounted integrated video entertainment system is characterized by comprising a display screen module, a plastic front shell, an integrated sheet metal part bracket, a main PCB (printed circuit board), radiating fins and a plastic rear cover which are sequentially arranged;

the plastic front shell is oriented to the communication antenna is arranged on the surface of the integrated sheet metal part support, the main PCB is oriented to the radiating fin, an audio-video data transmission processing circuit is arranged on the surface of the radiating fin, the audio-video data transmission processing circuit is respectively connected with the communication antenna and the display screen module, and the back of the display screen module, the main PCB, the radiating fin, an external 4G main antenna and an external 4G auxiliary antenna in the communication antenna are electrically connected with the integrated sheet metal part support.

2. The vehicle-mounted integrated audio-visual entertainment system according to claim 1, wherein the radiating fin faces the surface of the main PCB board and is provided with a stainless steel spring plate at a position corresponding to the power amplifier chip of the audio-visual data transmission processing circuit, and the stainless steel spring plate is attached to the power amplifier chip.

3. The vehicle-mounted integrated audio/video entertainment system according to claim 1, wherein the communication antenna further comprises an external WIFI antenna and a GPS antenna, and the external 4G main antenna, the external 4G sub antenna, the external WIFI antenna and the GPS antenna are electrically connected with the audio/video data transmission processing circuit.

4. The vehicle-mounted integrated video entertainment system according to claim 3, wherein the plastic front shell is provided with a first through hole, a first conductive foam is arranged in the first through hole, and the first conductive foam is electrically connected with the back surface of the display screen module, the external 4G main antenna and the integrated sheet metal part bracket respectively.

5. The vehicle-mounted integrated video entertainment system according to claim 3, wherein a second through hole is formed in the plastic front shell, second conductive foam is arranged in the second through hole, and the second conductive foam is electrically connected with the back surface of the display screen module, the external 4G auxiliary antenna and the integrated sheet metal part bracket respectively.

6. The vehicle-mounted integrated audio/video entertainment system according to claim 1, wherein a honeycomb type reinforcing rib is arranged on a surface of the plastic front shell facing the integrated sheet metal part bracket.

7. The vehicle-mounted integrated audio/video entertainment system according to claim 1, wherein a first guide post and a second guide post are arranged on the surface of the plastic front shell facing the integrated sheet metal part bracket, and the top of the first guide post and the top of the second guide post are exposed out of the cooling fin.

8. The vehicle-mounted integrated audio/visual entertainment system of claim 7, wherein the first guide post and the second guide post are each 5.5mm to 6.5mm in diameter.

9. The in-vehicle integrated audio/visual entertainment system of claim 1, wherein said integrated sheet metal bracket has a thickness of 1.1mm to 1.3mm.