Handheld communication terminal capable of effectively improving heat dissipation effect of high-power device

Abstract

The utility model discloses a handheld communication terminal capable of effectively improving the heat dissipation effect of a high-power device, which comprises a metal shell, a first antenna, a second antenna, a liquid crystal display screen, a keyboard, a switch key, a camera, a loudspeaker, a microphone, a PCB (Printed Circuit Board), the high-power device, a battery, a metal battery cover, a first heat conduction plate, a second heat conduction plate and a third heat conduction plate, the high-power device is arranged on the PCB, the first heat-conducting plate and the second heat-conducting plate are arranged on the upper end wall of the high-power device, the two sides of the first heat-conducting plate and the two sides and the rear end part of the second heat-conducting plate are of bent structures, and the two sides of the first heat-conducting plate and the two sides and the rear end part of the second heat-conducting plate abut against the inner side wall of the metal shell. The metal battery cover detachably covers the upper end part of the battery compartment; and the third heat conducting plate is arranged on the inner side wall of the metal battery cover. According to the technical scheme of the utility model, the heat dissipation effect of the high-power device in the handheld communication terminal can be effectively improved, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of handheld communication terminals, and in particular to a handheld communication terminal capable of effectively improving the heat dissipation effect of high-power devices. Background Art

[0002] With the development of science and technology, in order to meet the needs of users, high-power devices in handheld communication terminal products are used more and more widely, and their performance requirements are getting higher and higher. This has led to many factors that affect each other in terms of the overall power consumption, device heat dissipation, size, etc. For example, under the premise of the same power consumption, if you want to get good heat dissipation, the larger the product size, the better, so that each device can contact enough metal casing at the shortest distance. However, in actual use, if the product size is too large, it will bring certain inconveniences to the user. For example, the product is heavy and it is difficult to hold the handheld device. If ventilation holes are designed and the thermal contact area is reduced, EMC problems will arise.

[0003] To this end, we propose a structural design scheme for a handheld communication terminal that can effectively improve the heat dissipation effect of high-power devices. Through structural design, process design and material selection, high-power devices can be effectively cooled while reducing the overall size and weight of the product. Utility Model Content

[0004] The main purpose of the utility model is to provide a handheld communication terminal that can effectively improve the heat dissipation effect of high-power devices, aiming to solve the technical problem that the heat dissipation effect of high-power devices inside existing handheld communication terminals is not ideal, affecting their performance stability and service life.

[0005] To achieve the above-mentioned purpose, the present invention proposes a handheld communication terminal that can effectively improve the heat dissipation effect of high-power devices, including a metal shell, a first antenna, a second antenna, a liquid crystal display, a keyboard, a switch button, a camera, a speaker, a microphone, a PCB board, a high-power device, a battery, a metal battery cover, a first heat conduction plate, a second heat conduction plate and a third heat conduction plate, wherein the first antenna and the second antenna are respectively arranged at the upper end of the metal shell, the liquid crystal display and the keyboard are respectively arranged on the front end wall of the metal shell, the switch button is arranged on the side wall of the metal shell, the camera is arranged at the upper end of the rear end wall of the metal shell, the speaker, microphone, PCB board, high-power device, the first heat conduction plate and the second heat conduction plate are all arranged in the metal shell, the front end wall of the metal shell is provided with a sound transmission hole and a sound pickup hole, the speaker and the microphone are respectively located on the inner sides of the sound transmission hole and the sound pickup hole, The high-power device is arranged on the PCB board, and the first heat conducting plate and the second heat conducting plate are respectively arranged on the upper end wall of the high-power device. The two sides of the first heat conducting plate and the two sides and the rear end of the second heat conducting plate are all arranged in a bent structure, and the two sides of the first heat conducting plate and the two sides and the rear end of the second heat conducting plate are all abutted against the inner side wall of the metal shell. The first heat conducting plate and the high-power device and the first heat conducting plate and the second heat conducting plate are all fixedly connected by thermal conductive silicone adhesive. A battery compartment is recessed in the back wall of the metal shell, and the battery is detachably embedded in the battery compartment. The metal battery cover is detachably covered on the upper end of the battery compartment. The third heat conducting plate is arranged on the inner side wall of the metal battery cover, and the third heat conducting plate abuts against the upper end wall of the battery. The first heat conducting plate, the second heat conducting plate and the third heat conducting plate are all formed of graphene sheets or copper sheets.

[0006] Optionally, both side walls of the metal shell and the rear end wall of the metal battery cover are provided with a plurality of heat dissipation grooves.

[0007] Optionally, it also includes a first screw, the inner side wall of the metal battery cover is recessed with a receiving groove, the third heat conducting plate is embedded in the receiving groove, a plurality of first screw holes are recessed on both sides of the third heat conducting plate, and the inner side wall of the metal battery cover is recessed with a plurality of first threaded holes, the first screws are respectively passed through the first screw holes and screwed into the first threaded holes.

[0008] Optionally, a first limiting protrusion is recessed on the bottom of the accommodating groove, a first limiting groove is recessed on the inner side wall of the third heat conducting plate, and the first limiting protrusions are respectively embedded in the first limiting grooves.

[0009] Optionally, a second screw is also included, the upper end wall of the metal battery cover is provided with a second limiting protrusion, the upper end portion of the rear end wall of the metal shell is provided with a second limiting groove, the second limiting protrusions are respectively embedded in the second limiting grooves, the lower end portion of the metal battery cover is provided with a second screw hole, the lower end portion of the rear end wall of the metal shell is provided with a second threaded hole, the second screw is passed through the second screw hole, and is screwed into the second threaded hole.

[0010] Optionally, a waist-shaped hole is concavely provided on both sides of the rear end wall of the metal shell, and a third limiting protrusion is convexly provided on both sides of the rear end wall of the metal battery cover, and the third limiting protrusion can be slidably embedded in the waist-shaped hole.

[0011] The technical solution of the present invention has the following beneficial effects:

[0012] 1. The technical solution of the present invention is that a high-power device is arranged on a PCB board, and a first heat conducting plate and a second heat conducting plate are respectively arranged on the upper end wall of the high-power device. Both sides of the first heat conducting plate and both sides and the rear end of the second heat conducting plate are arranged in a bent structure. Both sides of the first heat conducting plate and both sides and the rear end of the second heat conducting plate are abutted against the inner side wall of the metal shell. The first heat conducting plate and the high-power device, as well as the first heat conducting plate and the second heat conducting plate, are fixedly connected by thermally conductive silicone adhesive. This realizes that the heat generated by the high-power device is transferred to the metal shell, the high-power device is well dissipated, and the heat generated by the high-power device is quickly conducted to the outside of the metal shell, thereby effectively improving the heat dissipation effect of the high-power device inside the handheld communication terminal, so that the handheld communication terminal can maintain a high working efficiency for a long time, thereby extending its service life.

[0013] 2. The technical solution of the present invention is to provide a battery compartment through a recessed portion on the back side wall of the shell, wherein the battery is detachably embedded in the battery compartment, and a metal battery cover is detachably covered on the upper end portion of the battery compartment. A third heat conducting plate is provided on the inner side wall of the metal battery cover, and the third heat conducting plate abuts against the upper end wall of the battery. The third heat conducting plate can be used to cool the battery to a certain extent to avoid internal overheating, thereby effectively improving the heat dissipation effect of the handheld communication terminal. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0015] Figure 1This is a schematic diagram of the overall structure of a handheld communication terminal that can effectively improve the heat dissipation effect of high-power devices according to an embodiment of the present utility model;

[0016] Figure 2 This is a schematic diagram of the overall structure of a handheld communication terminal that can effectively improve the heat dissipation effect of high-power devices from another perspective according to an embodiment of the present utility model;

[0017] Figure 3 This is a schematic diagram of the exploded structure of a handheld communication terminal that can effectively improve the heat dissipation effect of high-power devices according to an embodiment of the present invention;

[0018] Figure 4 This is another exploded structural diagram of a handheld communication terminal that can effectively improve the heat dissipation effect of high-power devices according to an embodiment of the present invention;

[0019] Figure 5 This is a partial structural diagram of a handheld communication terminal that can effectively improve the heat dissipation effect of high-power devices according to an embodiment of the present utility model;

[0020] Figure 6 This is a schematic diagram of a partially exploded structure of a handheld communication terminal that can effectively improve the heat dissipation effect of high-power devices according to an embodiment of the present invention.

[0021] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0024] In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the fact that ordinary technicians in this field can implement them. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0025] The utility model provides a handheld communication terminal which can effectively improve the heat dissipation effect of high-power devices.

[0026] like Figures 1 to 6 As shown, in one embodiment of the present invention, the handheld communication terminal that can effectively improve the heat dissipation effect of high-power devices includes a metal shell 101, a first antenna 102, a second antenna 103, a liquid crystal display 104, a keyboard 105, a switch button 106, a camera 107, a speaker (not shown), a microphone (not shown), a PCB board 108, a high-power device 109, a battery (not shown), a metal battery cover 110, a first heat conducting plate 111, a second heat conducting plate 112 and a third heat conducting plate 113, and the first antenna 102 and the second antenna 103 are respectively arranged at At the upper end of the metal shell 101, the LCD screen 104 and the keyboard 105 are respectively arranged on the front end wall of the metal shell 101, the switch button 106 is arranged on the side wall of the metal shell 101, the camera 107 is arranged at the upper end of the rear end wall of the metal shell 101, the speaker, microphone, PCB board 108, high-power device 109, first heat conducting plate 111 and second heat conducting plate 112 are all arranged in the metal shell 101, and the front end wall of the metal shell 101 is provided with a sound hole 1011 and a sound pickup hole (not shown), and the speaker and microphone are respectively located in the sound hole 1011. 11 and the inner side of the pickup hole, the high-power device 109 is arranged on the PCB board 108, the first heat conducting plate 111 and the second heat conducting plate 112 are respectively arranged on the upper end wall of the high-power device 109, the two sides of the first heat conducting plate 111 and the two sides and the rear end of the second heat conducting plate 112 are all bent, and the two sides of the first heat conducting plate 111 and the two sides and the rear end of the second heat conducting plate 112 are all in contact with the inner side wall of the metal shell 101, and the first heat conducting plate 111 and the high-power device 109 and the first heat conducting plate 111 and the second heat conducting plate 112 are all bonded with thermal conductive silicone. Fixedly connected, a battery compartment 1012 is recessed on the back wall of the metal shell 101, and the battery is detachably embedded in the battery compartment 1012. The metal battery cover 110 is detachably covered on the upper end of the battery compartment 1012. The third heat conducting plate 113 is arranged on the inner wall of the metal battery cover 110, and the third heat conducting plate 113 is in contact with the upper end wall of the battery. The first heat conducting plate 111, the second heat conducting plate 112 and the third heat conducting plate 113 are all formed of graphene sheets or copper sheets. The graphene sheets or copper sheets have high thermal conductivity, play a good heat dissipation role, and have EMI electromagnetic shielding effect.

[0027] Specifically, both side walls of the metal shell 101 and the rear end wall of the metal battery cover 110 are provided with a plurality of heat dissipation grooves 114, which can effectively increase the heat dissipation area and further improve the heat dissipation effect of the metal shell and the metal battery cover.

[0028] Specifically, it also includes a first screw (not shown). The inner side wall of the metal battery cover 110 is recessed with a receiving groove 1101. The third heat conducting plate 113 is embedded in the receiving groove 1101. A plurality of first screw holes 1131 are recessed on both sides of the third heat conducting plate 113. The inner side wall of the metal battery cover 110 is recessed with a plurality of first threaded holes 1102. The first screws are respectively passed through the first screw holes 1131 and screwed into the first threaded holes 1102, making the assembly between the third heat conducting plate and the metal battery cover more secure and reliable.

[0029] Specifically, a first limiting protrusion 1103 is recessed on the bottom of the accommodating groove 1101, and a first limiting groove (not shown) is recessed on the inner wall of the third heat conducting plate 113. The first limiting protrusions 1103 are respectively embedded in the first limiting grooves, and play a role of alignment during the assembly process of the third heat conducting plate, making the assembly of the third heat conducting plate more convenient and quick, and at the same time playing a role of limiting.

[0030] Specifically, it also includes a second screw 115, the upper end wall of the metal battery cover 110 is provided with a second limiting protrusion 1104, the upper end of the rear end wall of the metal shell 101 is recessed with a second limiting groove 1013, the second limiting protrusions 1104 are respectively embedded in the second limiting grooves 1013, the lower end of the metal battery cover 110 is recessed with a second screw hole 1105, the lower end of the rear end wall of the metal shell 101 is recessed with a second threaded hole 1014, the second screw 115 is passed through the second screw hole 1105 and screwed into the second threaded hole 1014, so that the assembly between the metal battery cover and the metal shell is more firm and reliable, and the metal battery cover is prevented from loosening.

[0031] Specifically, a waist-shaped hole 1015 is concavely provided on both sides of the rear end wall of the metal shell 101, and a third limiting protrusion 1106 is convexly provided on both sides of the rear end wall of the metal battery cover 110. The third limiting protrusion 1106 can be slidably embedded in the waist-shaped hole 1015, which facilitates the installation and disassembly of the metal battery cover, and further limits the metal battery cover to prevent the metal battery cover from tilting.

[0032] Specifically, the working principle and process of the utility model are as follows:

[0033] 1. A high-power device is arranged on a PCB board, and a first heat conducting plate and a second heat conducting plate are respectively arranged on the upper end wall of the high-power device. Both sides of the first heat conducting plate and both sides and rear end of the second heat conducting plate are arranged in a bent structure. Both sides of the first heat conducting plate and both sides and rear end of the second heat conducting plate are abutted against the inner side wall of the metal shell. The first heat conducting plate and the high-power device, as well as the first heat conducting plate and the second heat conducting plate, are fixedly connected by thermally conductive silicone adhesive. This realizes that the heat generated by the high-power device is transferred to the metal shell, the high-power device is well dissipated, and the heat generated by the high-power device is quickly transferred to the outside of the metal shell, thereby effectively improving the heat dissipation effect of the handheld communication terminal, so that the handheld communication terminal can maintain a high working efficiency for a long time.

[0034] 2. A battery compartment is recessed on the back side wall of the shell, and the battery is detachably embedded in the battery compartment. A metal battery cover is detachably covered on the upper end of the battery compartment. A third heat conducting plate is disposed on the inner side wall of the metal battery cover, and the third heat conducting plate abuts against the upper end wall of the battery. The third heat conducting plate can cool the battery to a certain extent to avoid internal overheating, thereby effectively improving the heat dissipation effect of the handheld communication terminal.

[0035] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the utility model concept, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A handheld communication terminal that can effectively improve the heat dissipation effect of high-power devices, characterized in that: The invention comprises a metal shell, a first antenna, a second antenna, a liquid crystal display, a keyboard, a switch button, a camera, a speaker, a microphone, a PCB board, a high-power device, a battery, a metal battery cover, a first heat conducting plate, a second heat conducting plate and a third heat conducting plate, wherein the first antenna and the second antenna are respectively arranged at the upper end portion of the metal shell, the liquid crystal display and the keyboard are respectively arranged on the front end wall of the metal shell, the switch button is arranged on the side wall of the metal shell, the camera is arranged at the upper end portion of the rear end wall of the metal shell, the speaker, microphone, PCB board, high-power device, the first heat conducting plate and the second heat conducting plate are all arranged in the metal shell, the front end wall of the metal shell is provided with a sound transmission hole and a sound pickup hole, the speaker and microphone are respectively located on the inner sides of the sound transmission hole and the sound pickup hole, and the high-power device is arranged on the PCB The heat conducting plate and the heat conducting plate are respectively arranged on the upper end wall of the high-power device, and the two sides of the first heat conducting plate and the two sides and the rear end of the second heat conducting plate are arranged in a bent structure, and the two sides of the first heat conducting plate and the two sides and the rear end of the second heat conducting plate are all abutted against the inner side wall of the metal shell, and the first heat conducting plate and the high-power device and the first heat conducting plate and the second heat conducting plate are all fixedly connected by thermal conductive silicone adhesive. A battery compartment is recessed in the back wall of the metal shell, and the battery is detachably embedded in the battery compartment. The metal battery cover is detachably covered on the upper end of the battery compartment. The third heat conducting plate is arranged on the inner side wall of the metal battery cover, and the third heat conducting plate abuts against the upper end wall of the battery. The first heat conducting plate, the second heat conducting plate and the third heat conducting plate are all formed by graphene sheets or copper sheets.

2. The handheld communication terminal capable of effectively improving the heat dissipation effect of high-power devices according to claim 1, characterized in that: Both side walls of the metal shell and the rear end wall of the metal battery cover are provided with a plurality of heat dissipation grooves.

3. The handheld communication terminal capable of effectively improving the heat dissipation effect of high-power devices according to claim 1, characterized in that: It also includes a first screw, the inner side wall of the metal battery cover is recessed with a receiving groove, the third heat conducting plate is embedded in the receiving groove, a plurality of first screw holes are recessed on both sides of the third heat conducting plate, and the inner side wall of the metal battery cover is recessed with a plurality of first threaded holes, the first screws are respectively passed through the first screw holes and screwed into the first threaded holes.

4. The handheld communication terminal capable of effectively improving the heat dissipation effect of high-power devices according to claim 3, characterized in that: A first limiting protrusion is recessed on the bottom of the accommodating groove, and a first limiting groove is recessed on the inner side wall of the third heat conducting plate. The first limiting protrusions are respectively embedded in the first limiting grooves.

5. The handheld communication terminal capable of effectively improving the heat dissipation effect of high-power devices according to claim 1, characterized in that: It also includes a second screw, the upper end wall of the metal battery cover is provided with a second limiting protrusion, the upper end of the rear end wall of the metal shell is provided with a second limiting groove, the second limiting protrusions are respectively embedded in the second limiting grooves, the lower end of the metal battery cover is provided with a second screw hole, the lower end of the rear end wall of the metal shell is provided with a second threaded hole, the second screw is passed through the second screw hole and screwed into the second threaded hole.

6. The handheld communication terminal capable of effectively improving the heat dissipation effect of high-power devices according to claim 5, characterized in that: A waist-shaped hole is concavely provided on both sides of the rear end wall of the metal shell, and a third limiting protrusion is convexly provided on both sides of the rear end wall of the metal battery cover. The third limiting protrusion is slidably embedded in the waist-shaped hole.

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