A vehicle-mounted multimedia device

Abstract

The application discloses a kind of vehicle-mounted multimedia devices, including by front-to-back sequentially arranged panel assembly and host assembly, the panel assembly includes by front-to-back sequentially arranged display screen, panel front shell, waterproof rubber sleeve, first PCB board assembly;The host assembly includes third PCB board assembly, back cover.The structure design of the application is reasonable, since in the practical application of vehicle-mounted multimedia, the risk of water intake mainly comes from the front of screen, therefore, the application effectively improves the water blocking ability from the front and the edge of the surrounding by the setting of waterproof rubber sleeve, and effectively meets the waterproof demand of customer.Wire harness external quantity is reduced by the setting of PIN socket, and the product is more simple and beautiful, and the installation is convenient.Meanwhile, since the plastic middle shell is removed, the main opening mode component is reduced, the production process is optimized, and the cost is more advantageous.

Description

Technical Field

[0001] This invention relates to the field of in-vehicle multimedia technology, and more particularly to an in-vehicle multimedia device. Background Technology

[0002] Currently, in-vehicle multimedia systems commonly used in all-terrain vehicles and yachts typically employ a 4.3-inch high-brightness display screen with a VOL knob and physical buttons, but lack a touchscreen. Basic functions include radio / USB / BT / RCA, etc. Existing client-side technical solutions have the following shortcomings:

[0003] 1. Insufficient waterproofing capability, thus failing to meet customer waterproofing needs.

[0004] 2. There are more than ten internal wiring harnesses, and many wiring harnesses are led out at the end, which is not conducive to production and assembly.

[0005] 3. The main structure consists of a plastic front shell, a plastic middle shell, and a cast aluminum rear shell, with many parts and high mold costs. Summary of the Invention

[0006] The purpose of this invention is to provide an in-vehicle multimedia device to solve the technical problems existing in the background art.

[0007] To achieve the above objectives, the present invention provides an in-vehicle multimedia device, comprising a panel assembly and a host assembly arranged sequentially from front to back. The panel assembly includes a display screen, a front panel shell, a waterproof rubber sleeve, and a first PCB board assembly arranged sequentially from front to back. The waterproof rubber sleeve includes a waterproof rubber frame and a waterproof rubber baffle. The waterproof rubber baffle is disposed on the lower front side within the waterproof rubber frame, and a second communicating opening is provided on the upper front side within the waterproof rubber frame. The first PCB board assembly is disposed within the waterproof rubber sleeve, such that the waterproof rubber frame and the waterproof rubber baffle can respectively provide edge protection for the first PCB board assembly. Waterproofing in the forward and backward directions; the front upper side of the front shell of the panel is provided with a first connecting opening, and the rear end of the display screen is provided with a first ribbon cable that passes through the first connecting opening and the second connecting opening in sequence and is electrically connected to the first PCB board assembly; the host assembly includes a third PCB board assembly and a back cover, the third PCB board assembly is disposed in the middle of the back cover, the third PCB board assembly is provided with a PIN socket that passes through the back cover in the backward direction, the front end of the third PCB board assembly is provided with a third ribbon cable that is electrically connected to the first socket of the first PCB board assembly in the forward direction, and the edge of the back cover and the edge of the front shell of the panel press together to the waterproof rubber frame.

[0008] Furthermore, the rear end of the front panel shell is provided with a second groove, and the edge of the second groove is provided with a plurality of first screw holes. The waterproof rubber sleeve and the first PCB board assembly are disposed in the second groove. The front edge of the rear cover is provided with a plurality of screw posts, and a clamping plate is provided between two adjacent screw posts. The plurality of screw posts and the plurality of clamping plates press forward in sequence to press the edges of the first PCB board assembly and the waterproof rubber baffle. The plurality of screw posts are locked forward to the plurality of first screw holes by fourth screws respectively.

[0009] Furthermore, the rear edge of the second groove is provided with a first pressing strip, and the front edge of the rear cover is also provided with a second pressing strip. A plurality of screw posts and a plurality of pressing plates are located inside the second pressing strip. The rear edge of the waterproof rubber frame is provided with a pressing edge located between the first pressing strip and the second pressing strip. The first pressing strip and the second pressing strip together press the pressing edge of the waterproof rubber frame.

[0010] Furthermore, the lower front side of the front panel housing is provided with a plurality of button mounting holes, which extend rearward through the front panel housing and are fitted with buttons; the waterproof rubber baffle is provided with a plurality of forward-protruding button shells, which extend forward into the plurality of button mounting holes and engage with the buttons; the lower front side of the first PCB board assembly is provided with a plurality of button contacts, which engage forward with the plurality of button shells.

[0011] Furthermore, a button bracket is provided on the rear lower side of the first PCB board assembly. The button bracket is located behind a plurality of button contacts. The edge of the button bracket is connected forward to the front lower side in the second groove by a plurality of first screws. The first screws pass forward through the first PCB board assembly and the waterproof rubber baffle in sequence, so that the button bracket presses forward and sequentially against the first PCB board assembly and the waterproof rubber baffle.

[0012] Furthermore, the lower front side of the front panel shell is provided with a knob groove, which extends rearward through the front panel shell and contains a knob; the waterproof rubber baffle is also provided with a forward-protruding knob sleeve, which extends forward into the knob groove and engages with the knob; the lower front side of the first PCB board assembly is also provided with a forward-protruding knob rotating assembly, which passes forward through the knob sleeve and the knob groove in sequence and connects to the knob; the front end of the knob is provided with a knob decorative cover, and the outer side wall of the knob is provided with a knob rubber sleeve.

[0013] Furthermore, a first groove is provided on the upper front side of the front shell of the panel, the display screen is disposed in the first groove, the first connecting opening is disposed in the middle of the first groove, and a lens and a heat sink are respectively provided on the front and rear sides of the display screen. The lens and the display screen are pasted together, and the edge of the heat sink is bonded to the edge of the first groove by a number of foam double-sided adhesive tapes. The display screen is attached to the heat sink and conducts heat.

[0014] Furthermore, the front end of the panel is provided with side grooves on the left and right sides respectively. The side grooves are provided with a plurality of connecting holes distributed vertically. The connecting holes of the side grooves on the left and right sides are respectively connected and engaged with the left and right edges of the back cover. Decorative parts left and right are respectively installed in the side grooves on the left and right sides. The decorative parts left and right can cover the connecting holes of the side grooves.

[0015] Furthermore, the rear cover also has a rearwardly protruding convex shell in the middle, with a third connecting opening and a mounting opening at the front and rear ends of the convex shell, respectively. The third PCB board assembly is disposed inside the convex shell, and a second PCB board assembly is also disposed inside the convex shell, with the second PCB board assembly located in front of the third PCB board assembly. The third PCB board assembly and the second PCB board assembly are electrically connected via a wire harness. The second PCB board assembly has a second ribbon cable that passes forward through the third connecting opening and is electrically connected to the second socket of the first PCB board assembly. The PIN socket of the third PCB board assembly passes rearward through the mounting opening, and a waterproof sealing ring is provided between the PIN socket and the mounting opening.

[0016] Furthermore, the third PCB board assembly is installed inside the convex shell and secured with a third screw, the second PCB board assembly is installed inside the convex shell and secured with a second screw, and several fourth screws are installed into the edge of the rear cover to fix the panel assembly; shock-absorbing foam is provided behind the rear cover, the edge of the shock-absorbing foam can cover the edge of the rear cover, and a through hole is provided in the middle of the shock-absorbing foam for the convex shell to pass through; a U-shaped mounting bracket is provided behind the convex shell, and the convex shell and the mounting bracket are connected by mounting bolts and mounting nuts, and the two ends of the mounting bracket abut against the two sides of the shock-absorbing foam respectively.

[0017] In summary, the technical solution of the present invention has the following beneficial effects: The structure of the present invention is reasonable. (1) The panel assembly includes a display screen, a front panel shell, a waterproof rubber sleeve, and a first PCB board assembly arranged sequentially from front to back. The waterproof rubber sleeve includes a waterproof rubber frame and a waterproof rubber baffle. The waterproof rubber baffle is located on the lower front side inside the waterproof rubber frame. A second connecting opening is provided on the upper front side inside the waterproof rubber frame. The first PCB board assembly is located in the waterproof rubber sleeve so that the waterproof rubber frame and the waterproof rubber baffle can respectively waterproof the first PCB board assembly in the edge direction and the front direction. Thus, the display screen and the waterproof rubber baffle can effectively block water from the front, thereby preventing water from the front from damaging the first PCB board assembly. At the same time, the waterproof rubber frame can effectively block water from the surrounding edges, thereby preventing water from the edges from damaging the first PCB board assembly. (2) The upper front side of the front panel shell is provided with a first connecting opening. The rear end of the display screen is provided with a first ribbon cable that passes through the first connecting opening and the second connecting opening sequentially and is electrically connected to the first PCB board assembly. Thus, the display screen and the first PCB board assembly can be electrically connected. (3) The main unit includes a third PCB board assembly and a rear cover. The third PCB board assembly is located in the middle of the rear cover. The third PCB board assembly has a PIN socket that extends backward through the rear cover. The front end of the third PCB board assembly has a third ribbon cable that is electrically connected to the first socket of the first PCB board assembly. The edge of the rear cover and the edge of the front panel shell are pressed together to form a waterproof rubber frame. This allows the third PCB board assembly to be electrically connected to the first PCB board assembly, and the PIN socket on the third PCB board assembly can be electrically connected to external devices. At the same time, since the edge of the rear cover and the edge of the front panel shell are pressed together to form a waterproof rubber frame, the sealing performance of the edge connection between the rear cover and the front panel shell is greatly improved, and the waterproof rubber frame effectively blocks water from the surrounding edges, thus providing waterproof protection for the first PCB board assembly. Since the risk of water ingress in the actual application of in-vehicle multimedia mainly comes from the front of the screen, this invention effectively improves the ability to block water from the front and surrounding edges by setting a waterproof rubber sleeve, and the waterproof capability effectively meets the waterproof requirements of customers. At the same time, the setting of the PIN socket reduces the number of external wiring harnesses, making the product simpler and more beautiful, and convenient for vehicle installation. Furthermore, by eliminating the main structure of the plastic inner shell, the number of main mold-making components is reduced, the production process is optimized, and the cost is more advantageous. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the panel assembly and the main unit assembly of the present invention when separated;

[0019] Figure 2 This is an exploded view of the panel assembly of the present invention;

[0020] Figure 3 This is an exploded view of the front component of the panel assembly of the present invention;

[0021] Figure 4 This is an exploded structural diagram of the intermediate component of the panel assembly of the present invention;

[0022] Figure 5 This is an exploded view of the rear component of the panel assembly of the present invention;

[0023] Figure 6 This is a front-view perspective three-dimensional structural diagram of the panel assembly of the present invention;

[0024] Figure 7 This is a rear-view perspective structural diagram of the panel assembly of the present invention;

[0025] Figure 8 This is a rear-view perspective three-dimensional structural diagram of the front panel shell of the present invention;

[0026] Figure 9 This is a rear-view perspective structural diagram of the waterproof rubber sleeve of the present invention;

[0027] Figure 10 This is an exploded structural diagram of the host component of the present invention;

[0028] Figure 11 This is a front-view stereoscopic structural diagram of the host component of the present invention;

[0029] Figure 12 This is a rear-view perspective three-dimensional structural diagram of the host component of the present invention;

[0030] Figure 13 This is a front-view perspective three-dimensional structural diagram of the rear cover of the present invention;

[0031] Figure 14 This is a three-dimensional structural diagram of the panel assembly and the host assembly when connected by a ribbon cable according to the present invention;

[0032] Figure 15 This is a three-dimensional structural schematic diagram of the present invention;

[0033] Explanation of reference numerals in the attached drawings: 1-Panel assembly, 101-Knob decorative cover, 102-Knob rubber sleeve, 103-Knob, 104-Left decorative piece, 105-Right decorative piece, 106-Lens, 107-Display screen, 108-Heat sink, 109-Double-sided foam tape, 110-Front panel shell, 111-Button, 112-Waterproof rubber sleeve, 113-First PCB board assembly, 114-Button bracket, 115-First screw.

[0034] 2-Main unit assembly, 201-Second screw, 202-Second PCB board assembly, 203-Third screw, 204-Third PCB board assembly, 205-Back cover, 206-Fourth screw, 207-Shockproof foam, 208-Mounting bolt, 209-Mounting bracket, 210-Mounting nut.

[0035] 1071 - First ribbon cable; 1101 - First groove, 1102 - Second groove, 1103 - First connecting opening, 1104 - Button mounting hole, 1105 - Knob groove, 1106 - Side groove, 1107 - Connecting hole, 1108 - First screw hole, 1109 - First clamping strip; 1121 - Waterproof rubber frame, 1122 - Waterproof rubber baffle, 1123 - Second connecting opening, 1124 - Clamping edge, 1125 - Button housing, 1126 - Knob sleeve; 1131 - First socket, 1132 - Second socket, 1133 - Button contact, 1134 - Knob rotation assembly;

[0036] 2021 - Second ribbon cable; 2041 - Third ribbon cable; 2042 - PIN socket; 2051 - Screw post; 2052 - Pressure plate; 2053 - Second pressure strip; 2054 - Protruding shell; 2055 - Third connecting opening; 2056 - Mounting opening; 2071 - Through hole. Detailed Implementation

[0037] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention, but this does not constitute a limitation on the scope of protection of the present invention.

[0038] In this invention, for clarity, the following description is provided: The observer faces the attached... Figure 1 In this observation, the left side of the observer is designated as front, the right side as rear, the front of the observer as right, the rear of the observer as left, the top of the observer as up, and the bottom of the observer as down. It should be noted that the terms "front end," "rear end," "left side," "right side," "middle," "above," and "below" used in this document indicate orientations or positional relationships based on the accompanying drawings. These are merely for the purpose of clearly describing the invention and do not indicate or imply that the structures or components referred to must have a specific orientation or be constructed in a specific orientation; therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," "third," and "fourth" are used only for the purpose of clarity or simplification of description and should not be construed as indicating or implying relative importance or quantity.

[0039] See Figures 1 to 15This embodiment provides an in-vehicle multimedia device, including a panel assembly 1 and a host assembly 2 arranged sequentially from front to back. The panel assembly 1 includes a display screen 107, a front panel shell 110, a waterproof rubber sleeve 112, and a first PCB board assembly 113 arranged sequentially from front to back. The waterproof rubber sleeve 112 includes a waterproof rubber frame 1121 and a waterproof rubber baffle 1122. The waterproof rubber baffle 1122 is disposed on the lower front side inside the waterproof rubber frame 1121, and a second connecting opening 1123 is provided on the upper front side inside the waterproof rubber frame 1121. The first PCB board assembly 113 is disposed in the waterproof rubber sleeve 112, so that the waterproof rubber frame 1121 and the waterproof rubber baffle 1122 can respectively waterproof the first PCB board assembly 113 in the edge direction and the front direction. The front upper side of the front cover 110 of the panel is provided with a first connecting opening 1103, and the rear end of the display screen 107 is provided with a first ribbon cable 1071 that passes through the first connecting opening 1103 and the second connecting opening 1123 in sequence and is electrically connected to the first PCB board assembly 113. The host assembly 2 includes a third PCB board assembly 204 and a back cover 205. The third PCB board assembly 204 is located in the middle of the back cover 205. The third PCB board assembly 204 is provided with a PIN socket 2042 that passes through the back cover 205 in the rear. The front end of the third PCB board assembly 204 is provided with a third ribbon cable 2041 that is electrically connected to the first socket 1131 of the first PCB board assembly 113 in the front. The edge of the back cover 205 and the edge of the front cover 110 of the panel are pressed together to form a waterproof rubber frame 1121. Functions: (1) The panel assembly includes a display screen, a front panel shell, a waterproof rubber sleeve, and a first PCB board assembly arranged sequentially from front to back. The waterproof rubber sleeve includes a waterproof rubber frame and a waterproof rubber baffle. The waterproof rubber baffle is located on the lower front side inside the waterproof rubber frame, and a second connecting opening is provided on the upper front side inside the waterproof rubber frame. The first PCB board assembly is located in the waterproof rubber sleeve, so that the waterproof rubber frame and the waterproof rubber baffle can respectively waterproof the first PCB board assembly in the edge direction and the front direction. Thus, the display screen and the waterproof rubber baffle can effectively block water from the front, thereby preventing water from the front from damaging the first PCB board assembly. At the same time, the waterproof rubber frame can effectively block water from the surrounding edges, thereby preventing water from the edges from damaging the first PCB board assembly. (2) The front upper front side of the front panel shell is provided with a first connecting opening, and the rear end of the display screen is provided with a first ribbon cable that passes through the first connecting opening and the second connecting opening sequentially and is electrically connected to the first PCB board assembly. Thus, the display screen and the first PCB board assembly can be electrically connected.(3) The main unit includes a third PCB board assembly and a rear cover. The third PCB board assembly is located in the middle of the rear cover. The third PCB board assembly has a PIN socket that extends backward through the rear cover. The front end of the third PCB board assembly has a third ribbon cable that is electrically connected to the first socket of the first PCB board assembly. The edge of the rear cover and the edge of the front panel shell are pressed together to form a waterproof rubber frame. This allows the third PCB board assembly to be electrically connected to the first PCB board assembly, and the PIN socket on the third PCB board assembly can be electrically connected to external devices. At the same time, since the edge of the rear cover and the edge of the front panel shell are pressed together to form a waterproof rubber frame, the sealing performance of the edge connection between the rear cover and the front panel shell is greatly improved, and the waterproof rubber frame effectively blocks water from the surrounding edges, thus providing waterproof protection for the first PCB board assembly. Since the risk of water ingress in the actual application of in-vehicle multimedia mainly comes from the front of the screen, this invention effectively improves the ability to block water from the front and surrounding edges by setting a waterproof rubber sleeve, and the waterproof capability effectively meets the waterproof requirements of customers. At the same time, the setting of the PIN socket reduces the number of external wiring harnesses, making the product simpler and more beautiful, and convenient for vehicle installation. Furthermore, by eliminating the main structure of the plastic inner shell, the number of main mold-making components is reduced, the production process is optimized, and the cost is more advantageous.

[0040] Specifically, the rear end of the front panel 110 is provided with a second groove 1102, and the edge of the second groove 1102 is provided with a plurality of first screw holes 1108. The waterproof rubber sleeve 112 and the first PCB board assembly 113 are disposed in the second groove 1102. The front edge of the rear cover 205 is provided with a plurality of screw posts 2051, and a clamping plate 2052 is provided between two adjacent screw posts 2051. The plurality of screw posts 2051 and the plurality of clamping plates 2052 press forward in sequence to press the edges of the first PCB board assembly 113 and the waterproof rubber baffle 1122. The plurality of screw posts 2051 are locked forward to the plurality of first screw holes 1108 by fourth screws 206 respectively. Function: The screw posts 2051 and the clamping plates 2052 can press the first PCB board assembly 113 and the waterproof rubber baffle 1122, thereby improving the sealing performance and preventing water from seeping in from the front.

[0041] Specifically, the rear edge of the second groove 1102 is provided with a first clamping strip 1109, and the front edge of the rear cover 205 is also provided with a second clamping strip 2053. Several screw posts 2051 and several clamping plates 2052 are located inside the second clamping strip 2053. The rear edge of the waterproof rubber frame 1121 is provided with a clamping edge 1124 located between the first clamping strip 1109 and the second clamping strip 2053. The first clamping strip 1109 and the second clamping strip 2053 together clamp the clamping edge 1124 of the waterproof rubber frame 1121. Function: When the clamping edge 1124 is clamped, it can greatly improve the sealing performance of the edge connection between the rear cover and the front shell of the panel, preventing water from seeping in from the surrounding edges.

[0042] Specifically, the lower front side of the front panel housing 110 is provided with several button mounting holes 1104, which extend rearward through the front panel housing 110 and house buttons 111. A waterproof rubber baffle 1122 is provided with several forward-protruding button shells 1125, which extend forward into the button mounting holes 1104 and engage with the buttons 111. The lower front side of the first PCB board assembly 113 is provided with several button contacts 1133, which engage with the button shells 1125. Function: This invention primarily prevents water from the front of the screen. Therefore, the button shells 1125 not only enable the buttons 111 and 1133 to function as buttons, but also prevent water from entering through the button mounting holes 1104. Preferably, the button 111 is a crystal button made of plastic.

[0043] Specifically, a button bracket 114 is provided on the rear lower side of the first PCB board assembly 113. The button bracket 114 is located behind several button contacts 1133. The edge of the button bracket 114 is connected forward to the front lower side of the second groove 1102 by several first screws 115. The first screws 115 pass forward through the first PCB board assembly 113 and the waterproof rubber baffle 1122 in sequence, so that the button bracket 114 presses forward against the first PCB board assembly 113 and the waterproof rubber baffle 1122 in sequence. Function: By pressing forward and fixing the button bracket 114 to the front shell 110 of the panel, the waterproof rubber baffle 1122 in the button area is locally compacted, preventing water seepage and greatly improving the waterproof capability of the area.

[0044] Specifically, the front lower side of the front panel shell 110 is provided with a knob groove 1105, which extends backward through the front panel shell 110 and contains a knob 103; the waterproof rubber baffle 1122 is also provided with a forward-protruding knob sleeve 1126, which extends forward into the knob groove 1105 and engages with the knob 103; the front lower side of the first PCB board assembly 113 is also provided with a forward-protruding knob rotating assembly 1134, which passes forward through the knob sleeve 1126 and the knob groove 1105 in sequence and connects with the knob 103; the front end of the knob 103 is provided with a knob decorative cover 101, and the outer side wall of the knob 103 is provided with a knob rubber sleeve 102. Function: The main purpose of this invention is to prevent water from the front of the screen. Therefore, the knob sleeve 1126 not only allows the knob 103 and the knob rotation assembly 1134 to cooperate to achieve the knob function, but also prevents water from entering from the knob groove 1105. The knob rubber sleeve 102 is placed on the knob mainly to improve the feel.

[0045] Specifically, the front panel housing 110 has a first groove 1101 on its upper front side, and the display screen 107 is disposed in the first groove 1101. A first connecting opening 1103 is located in the middle of the first groove 1101. Lenses 106 and heat sinks 108 are respectively provided on the front and rear sides of the display screen 107. The lenses 106 and the display screen 107 are bonded together. The edge of the heat sink 108 is bonded to the edge inside the first groove 1101 by several foam double-sided adhesive tapes 109. This allows the display screen 107 to adhere to the heat sink 108 and conduct heat. Function: The heat sink 108 is provided primarily to accommodate the heat generated during display screen operation. In this case, the front panel housing 110 can be made of plastic. However, if the front panel housing 110 is made of metal, the heat sink can be omitted due to its superior heat dissipation properties. However, using metal would increase costs. The lenses 106 protect the display screen 107. The foam double-sided adhesive tapes 109 provide pre-fixation and cushioning for the heat sink 108.

[0046] Specifically, the front panel 110 has side grooves 1106 on both the left and right sides of its front end. Each side groove 1106 has several connecting holes 1107 distributed vertically. The connecting holes 1107 on the left and right sides of the side grooves 1106 respectively connect and mate with the left and right edges of the rear cover 205. A decorative piece left 104 and a decorative piece right 105 are respectively installed in the side grooves 1106. The decorative pieces left 104 and right 105 can cover the connecting holes 1107 in the side grooves 1106. Function: The decorative pieces left 104 and right 105 are mainly used to cover the connecting holes (such as screw holes, positioning holes, and snap-fit ​​holes), thereby improving aesthetics.

[0047] Specifically, the rear cover 205 also has a rearwardly protruding convex shell 2054 in the middle. The front and rear ends of the convex shell 2054 are respectively provided with a third connecting opening 2055 and a mounting opening 2056. The third PCB board assembly 204 is disposed inside the convex shell 2054, and a second PCB board assembly 202 is also disposed inside the convex shell 2054, located in front of the third PCB board assembly 204. The third PCB board assembly 204 and the second PCB board assembly 202 are electrically connected via a wiring harness. The second PCB board assembly 202 has a second ribbon cable 2021 that passes forward through the third connecting opening 2055 and is electrically connected to the second socket 1132 of the first PCB board assembly 113. The PIN socket 2042 of the third PCB board assembly 204 passes rearward through the mounting opening 2056, and a waterproof sealing ring is provided between the PIN socket 2042 and the mounting opening 2056. Function: By setting the PIN socket 2042, the production assembly process is simplified, achieving a more aesthetically pleasing product, while also facilitating vehicle installation. The PIN socket 2042 can be selected as a 36-PIN socket according to actual needs. The waterproof sealing ring (such as a rubber ring) also prevents water from the rear from entering the interior of the vehicle multimedia device, thus effectively protecting the multiple internal PCB board components. It is worth noting that the second socket 1132 and the first socket 1131 have different functions, such as one being used for power supply and the other for display connection. The specific function can be selected according to needs, but regardless of the number of sockets and ribbon cables, the presence of the PIN socket 2042 will reduce the number of external wiring harnesses. The reason for setting two PCB boards, the second PCB board assembly 202 and the third PCB board assembly 204, instead of one, is mainly because the internal space of the convex shell 2054 is relatively small, but it has many functions. Therefore, two PCB boards are used. If the convex shell 2054 is enlarged, the two PCB boards can actually be made into one large PCB board, but this would make the overall structure volume too large.

[0048] Specifically, the third PCB board assembly 204 is installed inside the convex shell 2054 and secured with the third screw 203; the second PCB board assembly 202 is installed inside the convex shell 2054 and secured with the second screw 201; several fourth screws 206 are installed at the edge of the rear cover 205 to fix the panel assembly 1; shock-absorbing foam 207 is provided behind the rear cover 205, the edge of the shock-absorbing foam 207 can cover the edge of the rear cover 205, and a through hole 2071 is provided in the middle of the shock-absorbing foam 207 for the convex shell 2054 to pass through; a U-shaped mounting bracket 209 is provided behind the convex shell 2054, and the convex shell 2054 and the mounting bracket 209 are connected by mounting bolts 208 and mounting nuts 210, with both ends of the mounting bracket 209 abutting against the two sides of the shock-absorbing foam 207. Function: The shock-absorbing foam 207 mainly serves to absorb shocks when installed on the customer's vehicle, and also provides waterproofing and improves aesthetics by covering the screw holes on the rear cover 205. The material of the 205 back cover can be cast aluminum or other materials, depending on the actual needs.

[0049] The panel assembly process is as follows:

[0050] like Figure 1-9 First, attach the lens 106 and the display screen 107 together. Then, assemble the foam double-sided tape 109 and the heat sink 108 onto the front panel cover 110. Next, attach the lens 106 and the display screen 107 together onto the front panel cover 110. Then, assemble the button 111, the waterproof rubber sleeve 112, the PCB board assembly 113, and the button bracket 114 onto the front panel cover 110 in sequence and tighten the first screw 115. Finally, assemble the decorative left part 104 and the decorative right part 105 onto the front panel cover 110. After assembling the knob decorative cover 101, the knob rubber sleeve 102, and the knob 103 together, insert them into the knob groove of the front panel cover 110.

[0051] The host component assembly process is as follows:

[0052] like Figure 10-13 The third PCB board assembly 204 is then assembled into the back cover 205 and secured with the third screw 203. Next, the second PCB board assembly 202 is assembled into the back cover 205 and secured with the second screw 201. The fourth screw 206 is then assembled into the back cover 205 to fix the panel assembly 1. Finally, the shock-absorbing foam 207 and the mounting bolt 208 are assembled into the back cover 205, the mounting bracket 209 is assembled, and the mounting nut 210 is used to lock it in place.

[0053] Panel component connection with host component:

[0054] like Figure 14Insert the third ribbon cable 2041 and the second ribbon cable 2021 from the main unit into the corresponding first socket 1131 and second socket 1132 on the back of the panel assembly. Then assemble the main unit 2 onto the panel assembly 1 and fix it with the fourth screw 206 to form a complete product.

[0055] Technical effects:

[0056] This vehicle-mounted multimedia waterproof unit's structural solution meets customers' waterproofing needs, reduces the number of main molded components and external wiring harnesses, optimizes the production process, offers greater cost advantages, and results in a simpler and more aesthetically pleasing product that is also easy to install in vehicles.

[0057] The above description represents the preferred embodiments of the present invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of the present invention, and these improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A vehicle-mounted multimedia device, comprising a panel assembly and a main unit assembly arranged sequentially from front to back, characterized in that: The panel assembly includes a display screen, a front panel shell, a waterproof rubber sleeve, and a first PCB board assembly arranged sequentially from front to back. The waterproof rubber sleeve includes a waterproof rubber frame and a waterproof rubber baffle. The waterproof rubber baffle is disposed on the lower front side inside the waterproof rubber frame, and a second connecting opening is provided on the upper front side inside the waterproof rubber frame. The first PCB board assembly is disposed in the waterproof rubber sleeve so that the waterproof rubber frame and the waterproof rubber baffle can respectively waterproof the first PCB board assembly in the edge direction and the front direction. The upper front side of the front panel shell has a first connecting opening. The rear end of the display screen has a first ribbon cable that passes through the first connecting opening and the second connecting opening in sequence and is electrically connected to the first PCB board assembly. The host assembly includes a third PCB board assembly and a rear cover. The third PCB board assembly is disposed in the middle inside the rear cover. The third PCB board assembly has a PIN socket that passes through the rear cover in sequence. The front end of the third PCB board assembly has a third ribbon cable that is electrically connected to the first socket of the first PCB board assembly in the front direction. The edge of the rear cover and the edge of the front panel shell press together against the waterproof rubber frame. The rear cover also has a rearwardly protruding convex shell in the middle. The front and rear ends of the convex shell are respectively provided with a third connecting opening and a mounting opening. The third PCB board assembly is disposed inside the convex shell. The convex shell also has a second PCB board assembly, which is located in front of the third PCB board assembly. The third PCB board assembly and the second PCB board assembly are electrically connected by a wire harness. The second PCB board assembly has a second ribbon cable that passes forward through the third connecting opening and is electrically connected to the second socket of the first PCB board assembly. The PIN socket of the third PCB board assembly passes backward through the mounting opening. A waterproof sealing ring is provided between the PIN socket and the mounting opening. The third PCB board assembly is installed inside the convex shell and secured with a third screw. The second PCB board assembly is installed inside the convex shell and secured with a second screw. Several fourth screws are installed on the edge of the rear cover to fix the panel assembly.

2. The in-vehicle multimedia device according to claim 1, characterized in that: The rear end of the front panel is provided with a second groove, and the edge of the second groove is provided with a plurality of first screw holes. The waterproof rubber sleeve and the first PCB board assembly are disposed in the second groove. The front edge of the rear cover is provided with a plurality of screw posts, and a clamping plate is provided between two adjacent screw posts. The plurality of screw posts and the plurality of clamping plates press forward in sequence to press the edges of the first PCB board assembly and the waterproof rubber baffle. The plurality of screw posts are locked forward to the plurality of first screw holes by fourth screws respectively.

3. The in-vehicle multimedia device according to claim 2, characterized in that: The rear edge of the second groove is provided with a first pressing strip, and the front edge of the rear cover is also provided with a second pressing strip. Several screw posts and several pressing plates are located inside the second pressing strip. The rear edge of the waterproof rubber frame is provided with a pressing edge located between the first pressing strip and the second pressing strip. The first pressing strip and the second pressing strip together press the pressing edge of the waterproof rubber frame.

4. The in-vehicle multimedia device according to claim 2, characterized in that: The lower front side of the front panel housing has several button mounting holes, which extend rearward through the front panel housing and contain buttons. The waterproof rubber baffle has several forward-protruding button shells, which extend forward into the button mounting holes and engage with the buttons. The lower front side of the first PCB board assembly has several button contacts, which engage with the button shells.

5. The in-vehicle multimedia device according to claim 4, characterized in that: A button bracket is provided on the rear lower side of the first PCB board assembly. The button bracket is located behind a plurality of button contacts. The edge of the button bracket is connected forward to the front lower side of the second groove by a plurality of first screws. The first screws pass forward through the first PCB board assembly and the waterproof rubber baffle in sequence, so that the button bracket presses forward and sequentially against the first PCB board assembly and the waterproof rubber baffle.

6. The in-vehicle multimedia device according to claim 1, characterized in that: The lower front side of the front panel shell is also provided with a knob groove, which extends backward through the front panel shell and contains a knob; the waterproof rubber baffle is also provided with a forward-protruding knob sleeve, which extends forward into the knob groove and engages with the knob; the lower front side of the first PCB board assembly is also provided with a forward-protruding knob rotating assembly, which passes forward through the knob sleeve and the knob groove in sequence and connects to the knob; the front end of the knob is provided with a knob decorative cover, and the outer side wall of the knob is provided with a knob rubber sleeve.

7. A vehicle-mounted multimedia device according to any one of claims 1 to 6, characterized in that: The front upper side of the panel shell is provided with a first groove, the display screen is disposed in the first groove, the first connecting opening is disposed in the middle of the first groove, the front and rear sides of the display screen are respectively provided with a lens and a heat sink, the lens and the display screen are pasted together, and the edge of the heat sink is bonded to the edge of the first groove by a number of foam double-sided adhesives, so that the display screen is attached to the heat sink and conducts heat.

8. A vehicle-mounted multimedia device according to any one of claims 1 to 6, characterized in that: The front end of the panel is provided with side grooves on the left and right sides respectively. The side grooves are provided with a number of connecting holes distributed vertically. The connecting holes of the side grooves on the left and right sides are respectively connected and engaged with the left and right edges of the back cover. Decorative parts left and right are respectively installed in the side grooves on the left and right sides. The decorative parts left and right can cover the connecting holes of the side grooves.

9. The in-vehicle multimedia device according to claim 1, characterized in that: The back cover is provided with shock-absorbing foam at the rear, and the edge of the shock-absorbing foam can cover the edge of the back cover. The middle of the shock-absorbing foam is provided with a through hole for the convex shell to pass through. The convex shell is provided with a U-shaped mounting bracket at the rear. The convex shell and the mounting bracket are connected by mounting bolts and mounting nuts. The two ends of the mounting bracket abut against the two sides of the shock-absorbing foam.

Images