Search

CN-224234012-U - Navigation apparatus

CN224234012UCN 224234012 UCN224234012 UCN 224234012UCN-224234012-U

Abstract

The utility model discloses navigation equipment, which relates to the field of navigation, and comprises a fixed frame, a shell, a circuit board and a radiator, wherein the shell is connected with the fixed frame, the shell is provided with an accommodating cavity, openings communicated with the accommodating cavity are respectively formed in two sides of the shell, the circuit board is connected with the fixed frame and arranged in the accommodating cavity, a heat source is arranged on the circuit board, the radiator is connected with the shell and arranged in the accommodating cavity, the radiator is also contacted with the heat source and exchanges heat with the heat source, the radiator is provided with a heat dissipation channel, at least part of two side walls of the radiator is positioned at the openings and is matched with the openings, and two ends of the heat dissipation channel extend to the corresponding openings in two sides of the shell respectively. The navigation equipment provided by the technical scheme of the utility model can improve the heat dissipation effect.

Inventors

  • PENG JUNQING

Assignees

  • 深圳市天之眼高新科技有限公司

Dates

Publication Date
20260512
Application Date
20250530

Claims (10)

  1. 1. A navigation device, comprising: a fixing frame; the shell is connected with the fixing frame, the shell is provided with a containing cavity, and openings communicated with the containing cavity are respectively formed in two sides of the shell; A circuit board connected with the fixing frame and arranged in the containing cavity, a heat source arranged on the circuit board, and The radiator is connected with the shell and arranged in the containing cavity, is also in contact with the heat source and exchanges heat with the heat source, is provided with a heat dissipation channel, at least part of the two side walls of the radiator are positioned at the opening and are matched with the opening, and the two ends of the heat dissipation channel respectively extend to the corresponding openings at the two sides of the shell.
  2. 2. The navigation device of claim 1, wherein the housing includes a first side portion and a second side portion disposed opposite to each other, the opening includes a first heat dissipation port and a second heat dissipation port, the first side portion is provided with the first heat dissipation port, the second side portion is provided with the second heat dissipation port, the second side portion is provided with a limit post, the limit post separates the second heat dissipation port into a plurality of second sub heat dissipation ports, the heat sink is provided with a clamping groove, and the limit post is clamped in the clamping groove.
  3. 3. The navigation device of claim 2, wherein the heat sink is further provided with a plurality of escape openings, and the circuit board is provided with a plurality of connection means corresponding to the escape openings and extending to the outside of the housing.
  4. 4. The navigation device of claim 3, wherein the housing is provided with a recess, the opening further comprises a third heat dissipation port, the side wall of the recess is provided with the third heat dissipation port, the bottom of the recess is provided with a through port, the through port corresponds to the avoidance port, and the connecting device is communicated with the outside through the through port and the avoidance port.
  5. 5. The navigation device of claim 1, further comprising a heat dissipation fan, wherein the heat sink is provided with a receiving groove, the receiving groove is communicated with the heat dissipation channel, and the heat dissipation fan is provided in the receiving groove and blows air into the receiving groove to form a heat dissipation air flow, and the heat dissipation air flow is discharged to the outside of the housing through the heat dissipation channel.
  6. 6. The navigation device of claim 5, wherein two heat dissipating fans are provided, and two heat dissipating fans are further connected to a bracket fixedly connected to the heat sink.
  7. 7. The navigation device of claim 6, wherein the housing is provided with an air inlet provided at a side of the housing facing away from the fixing frame and corresponding to the heat radiation fan, and external air enters the cavity through the air inlet and is discharged toward both sides of the housing through the heat radiation passage.
  8. 8. The navigation device of claim 1, wherein the heat sink comprises a connection base and a plurality of heat dissipation fins arranged at one side of the connection base in parallel at intervals, the heat dissipation channel is formed between two adjacent heat dissipation fins, the extending direction of the heat dissipation channel is consistent with the connecting line between the openings at two sides of the housing, the connection base is fixedly connected with the housing, and the connection base is contacted with the heat source of the circuit board and exchanges heat.
  9. 9. A navigation device according to claim 8, wherein a thermally conductive sheet is further provided between the heat source and the connection base, and/or, The circuit board is also provided with a support, and the connecting seat is also connected with the support.
  10. 10. The navigation apparatus according to claim 1, wherein the housing is further provided with a grill portion corresponding to a part of the components on the circuit board, and the grill portion is further provided with a vent communicating with the inside of the cavity, and/or, The navigation device further comprises a display screen, wherein the display screen is connected with the fixing frame and arranged on one side of the fixing frame, which is away from the shell.

Description

Navigation apparatus Technical Field The utility model relates to the technical field of navigation, in particular to navigation equipment. Background At present, the vehicle navigation equipment is provided with functional devices such as a main board, a processor, a display card, a communication module and the like, is accommodated in a main machine shell, and the electronic equipment works to generate a large amount of heat, and the temperature in the vehicle rises quickly after being irradiated by the sun, so that the equipment is easy to overheat and stop. The existing navigation equipment is used for radiating heat by depending on heat exchange between a radiator and external air, however, an effective radiating channel cannot be formed by the design between a radiating hole of the navigation equipment and the radiator, radiating airflow is blocked from flowing, the airflow is easy to stay in the equipment, and the radiating effect is poor. Disclosure of utility model The utility model mainly aims to provide navigation equipment, and aims to solve the technical problem that the existing navigation equipment is poor in heat dissipation effect due to the fact that heat dissipation airflow is easy to stay in the equipment. To achieve the above object, the present utility model provides a navigation apparatus comprising: a fixing frame; the shell is connected with the fixing frame, the shell is provided with a containing cavity, and openings communicated with the containing cavity are respectively formed in two sides of the shell; A circuit board connected with the fixing frame and arranged in the containing cavity, a heat source arranged on the circuit board, and The radiator is connected with the shell and arranged in the containing cavity, is also in contact with the heat source and exchanges heat with the heat source, is provided with a heat dissipation channel, at least part of the two side walls of the radiator are positioned at the opening and are matched with the opening, and the two ends of the heat dissipation channel respectively extend to the corresponding openings at the two sides of the shell. In an embodiment, the shell includes first lateral part and second lateral part that set up relatively, the opening includes first thermovent and second thermovent, first lateral part is seted up first thermovent, second lateral part is seted up the second thermovent, the second lateral part is equipped with spacing post, spacing post will the second thermovent is separated into a plurality of second sub-thermovents, the radiator is equipped with the draw-in groove, spacing post joint in the draw-in groove. In an embodiment, the radiator is further provided with a plurality of avoidance ports, and the circuit board is provided with a plurality of connection devices, wherein the connection devices correspond to the avoidance ports and extend to the outside of the shell. In an embodiment, the shell is provided with a concave part, the opening further comprises a third heat dissipation opening, the side wall of the concave part is provided with the third heat dissipation opening, the bottom of the concave part is provided with a through opening, the through opening corresponds to the avoidance opening, and the connecting device is communicated with the outside through the through opening and the avoidance opening. In an embodiment, the navigation device further comprises a heat dissipation fan, the heat radiator is provided with a containing groove, the containing groove is communicated with the heat dissipation channel, the heat dissipation fan is arranged in the containing groove and blows air into the containing groove to form heat dissipation air flow, and the heat dissipation air flow is discharged to the outside of the shell through the heat dissipation channel. In an embodiment, two heat dissipation fans are provided, and the two heat dissipation fans are further connected with a bracket, and the bracket is fixedly connected with the radiator. In an embodiment, the housing is provided with an air inlet, the air inlet is arranged at one side of the housing, which is away from the fixing frame, and corresponds to the heat dissipation fan, and external air enters the accommodating cavity through the air inlet and is discharged towards two sides of the housing through the heat dissipation channel. In an embodiment, the heat radiator includes a connecting seat and a plurality of heat dissipation fins arranged at one side of the connecting seat and arranged side by side at intervals, the adjacent two heat dissipation fins form the heat dissipation channel, the extending direction of the heat dissipation channel is consistent with the connecting line between the openings at two sides of the housing, the connecting seat is fixedly connected with the housing, and the connecting seat is contacted with the heat source of the circuit board and exchanges heat. In one embodiment, a heat conducting sheet is arran