CN109348017B - Mobile terminal heat dissipation anti-falling structure and mobile terminal - Google Patents
Mobile terminal heat dissipation anti-falling structure and mobile terminal Download PDFInfo
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- CN109348017B CN109348017B CN201811446130.2A CN201811446130A CN109348017B CN 109348017 B CN109348017 B CN 109348017B CN 201811446130 A CN201811446130 A CN 201811446130A CN 109348017 B CN109348017 B CN 109348017B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
- H04M1/185—Improving the rigidity of the casing or resistance to shocks
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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Abstract
The invention discloses a mobile terminal heat dissipation and falling prevention structure and a mobile terminal, comprising: the fan is arranged in the rear shell of the mobile terminal and used for dissipating heat of the mobile terminal; the mobile terminal comprises a frame of the mobile terminal, wherein at least one groove is formed in the frame of the mobile terminal, an air outlet cylinder is arranged in the groove, and the air outlet cylinder is communicated with a fan in an air flow mode; the air outlet cylinder is provided with an elastic sheet; the air outlet barrel is fixed with the groove on the frame of the mobile terminal through a connecting structure, the air outlet barrel comprises a first state and a second state, and when the air outlet barrel is in the first state, the air outlet barrel is hidden in the corresponding groove; when the air outlet barrel is in the second state, the air outlet barrel is positioned outside the corresponding groove, and the elastic sheet on the air outlet barrel is opened; still contain the electromagnetic stretching piece, the electromagnetic stretching piece set up in on the groove wall, the electromagnetic stretching piece stretches out when mobile terminal is in the free fall state, and will the play dryer switches to the second state from the first state. The invention utilizes the air outlet cylinder to be an acting point after popping out the groove, thereby avoiding the screen from landing and preventing the screen from being broken.
Description
Technical Field
The invention relates to the technical field of mobile terminals, in particular to a mobile terminal heat dissipation and anti-falling structure and a mobile terminal.
Background
Mobile terminals on the market at present all have adopted the natural cooling system design theory, through radiation and heat-conduction with the inside heat transfer of mobile terminal to screen and hou gai, carry out heat exchange through screen and hou gai and environment to control mobile terminal surface temperature. The mobile terminal adopting the natural convection heat dissipation system design comprises: screen, center, veneer, CPU, battery, back lid. The heat of the CPU is finally transferred to the screen and the rear cover through heat conduction, the screen and the rear cover exchange heat with the environment through radiation and natural convection, and due to the limitation of the heat dissipation surface area of the mobile terminal, the mobile terminal which determines the overall dimension has the design bottleneck of theoretical maximum heat dissipation capacity under the condition of meeting the user experience. Because the heat consumption of the application scene of the mobile terminal part is larger than the theoretical maximum heat dissipation capacity of the equipment, especially the heat consumption of the equipment is concentrated in a local scene, the heat dissipation risk that the surface temperature exceeds the standard can be caused, so that safety accidents such as burning, explosion and the like can be caused, and the heat dissipation problem of the mobile terminal is necessary to be improved.
Nowadays, the screen of the mobile terminal is larger and larger, the screen is easy to break when falling to the ground, great inconvenience and property loss are caused to a user, but no good method is provided for solving the problem so far.
Disclosure of Invention
The invention mainly aims to provide a mobile terminal heat dissipation anti-falling structure and a mobile terminal, and aims to provide a heat dissipation structure of a mobile terminal, help the mobile terminal to solve the problem of poor heat dissipation, and help a user to solve the problem that a screen is easy to break after falling on the basis of the heat dissipation structure.
In order to achieve the above object, the present invention provides a mobile terminal heat dissipation anti-falling structure, comprising:
the fan is arranged in the rear shell of the mobile terminal and used for dissipating heat of the mobile terminal;
the frame of the mobile terminal is provided with at least one groove, an air outlet cylinder is arranged in the groove, and the air outlet cylinder is communicated with the fan in an air flow manner;
the air outlet cylinder is provided with an elastic sheet;
the air outlet barrel is fixed with the groove on the frame of the mobile terminal through a connecting structure, the air outlet barrel comprises a first state and a second state, and when the air outlet barrel is in the first state, the air outlet barrel is hidden in the corresponding groove; when the air outlet barrel is in the second state, the air outlet barrel is positioned outside the corresponding groove, and the elastic sheet on the air outlet barrel is opened;
still contain the electromagnetic stretching piece, the electromagnetic stretching piece set up in on the groove wall, the electromagnetic stretching piece stretches out when mobile terminal is in the free fall state, and will the play dryer switches to the second state from the first state.
Furthermore, the connecting structure comprises a first connecting rod and a second connecting rod, and the first connecting rod is connected with the second connecting rod through a pin shaft or a sliding shaft; the end part of the first connecting rod is fixedly connected with a connecting rod fixing point in the groove, and the end part of the second connecting rod is connected with the air outlet barrel through a pin shaft; the first connecting rod and the second connecting rod are equal in length and the length of the first connecting rod and the length of the second connecting rod are equal to the depth of the groove; when the air outlet cylinder is in a first state, the first connecting rod and the second connecting rod are overlapped at the back of the air outlet cylinder and are hidden in the corresponding grooves together with the air outlet cylinder; when the air outlet barrel is in the second state, the first connecting rod and the second connecting rod are connected into a straight line to enable the air outlet barrel to be positioned outside the corresponding groove.
Furthermore, the connecting structure is a V-shaped elastic sheet, one end of the elastic sheet is fixed in the groove, the other end of the elastic sheet is fixedly connected with the air outlet cylinder, and when the air outlet cylinder is in a first state, the V-shaped elastic sheet is folded into a straight line shape and is hidden in the corresponding groove together with the air outlet cylinder; when the air outlet cylinder is in the second state, the V-shaped elastic sheet springs open to enable the air outlet cylinder to be positioned outside the groove.
Furthermore, the groove is positioned at the joint of the horizontal frame and the vertical frame of the frame, the air outlet cylinder is connected with the groove through a rotating shaft, and the air outlet cylinder rotates in a range of 90 degrees relative to the groove; when the air outlet barrel is in the first state, the rotation angle of the air outlet barrel relative to the groove is 0 degree, and the air outlet barrel is hidden in the corresponding groove; when the air outlet barrel is in the second state, the rotation angle of the air outlet barrel relative to the groove is 90 degrees, and the air outlet barrel is located outside the corresponding groove.
Furthermore, a fan switch is arranged on a frame of the mobile terminal, and the fan switch is a push type or a push type.
Furthermore, the air outlet cylinder is provided with a plurality of air outlet cylinders.
Furthermore, a baffle is arranged at the outlet of the air outlet cylinder, and the baffle is opened when the fan switch is turned on and is closed when the fan switch is turned off.
Furthermore, the length of the air outlet cylinder is not less than 15mm, and the height of the air outlet cylinder is not less than 5 mm.
In addition, in order to achieve the above purpose, the present invention further provides a mobile terminal, where the mobile terminal is provided with any one of the above heat dissipation and anti-falling structures.
Furthermore, the mobile terminal is provided with a control module for controlling the on-off of the electromagnetic telescopic block.
According to the mobile terminal heat dissipation anti-falling structure and the mobile terminal, the heat dissipation air outlet cylinder is arranged in the groove on the frame of the mobile terminal, when the mobile terminal falls freely, the air outlet cylinder pops out of the groove, and the elastic sheet on the air outlet cylinder serves as a fulcrum on the mobile terminal, so that a screen of the mobile terminal cannot be in direct contact with the ground, and the screen is prevented from being broken.
Drawings
Fig. 1 is a schematic diagram of a hardware structure of a mobile terminal implementing various embodiments of the present invention;
FIG. 2 is a diagram of a wireless communication system for the mobile terminal shown in FIG. 1;
fig. 3 is a schematic view of a heat dissipation and anti-falling structure of a mobile terminal according to a first embodiment of the present invention;
fig. 4 is a schematic side view of a heat dissipation and anti-falling structure of a mobile terminal according to a first embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
The terminal may be implemented in various forms. For example, the terminal described in the present invention may include a mobile terminal such as a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, a smart band, a pedometer, and the like, and a fixed terminal such as a Digital TV, a desktop computer, and the like.
The following description will be given by way of example of a mobile terminal, and it will be understood by those skilled in the art that the construction according to the embodiment of the present invention can be applied to a fixed type terminal, in addition to elements particularly used for mobile purposes.
Referring to fig. 1, which is a schematic diagram of a hardware structure of a mobile terminal for implementing various embodiments of the present invention, the mobile terminal 100 may include: RF (Radio Frequency) unit 101, WiFi module 102, audio output unit 103, a/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and power supply 111. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 1 is not intended to be limiting of mobile terminals, which may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The following describes each component of the mobile terminal in detail with reference to fig. 1:
the radio frequency unit 101 may be configured to receive and transmit signals during information transmission and reception or during a call, and specifically, receive downlink information of a base station and then process the downlink information to the processor 110; in addition, the uplink data is transmitted to the base station. Typically, radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 101 can also communicate with a network and other devices through wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to GSM (Global System for Mobile communications), GPRS (General Packet Radio Service), CDMA2000(Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division duplex Long Term Evolution), and TDD-LTE (Time Division duplex Long Term Evolution).
WiFi belongs to short-distance wireless transmission technology, and the mobile terminal can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the WiFi module 102, and provides wireless broadband internet access for the user. Although fig. 1 shows the WiFi module 102, it is understood that it does not belong to the essential constitution of the mobile terminal, and may be omitted entirely as needed within the scope not changing the essence of the invention.
The audio output unit 103 may convert audio data received by the radio frequency unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output as sound when the mobile terminal 100 is in a call signal reception mode, a call mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output unit 103 may also provide audio output related to a specific function performed by the mobile terminal 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 103 may include a speaker, a buzzer, and the like.
The a/V input unit 104 is used to receive audio or video signals. The a/V input Unit 104 may include a Graphics Processing Unit (GPU) 1041 and a microphone 1042, the Graphics processor 1041 Processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 106. The image frames processed by the graphic processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 may receive sounds (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, or the like, and may be capable of processing such sounds into audio data. The processed audio (voice) data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 101 in case of a phone call mode. The microphone 1042 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting audio signals.
The mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 1061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 1061 and/or a backlight when the mobile terminal 100 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the posture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured on the mobile phone, further description is omitted here.
The display unit 106 is used to display information input by a user or information provided to the user. The Display unit 106 may include a Display panel 1061, and the Display panel 1061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 107 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the mobile terminal. Specifically, the user input unit 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also referred to as a touch screen, may collect a touch operation performed by a user on or near the touch panel 1071 (e.g., an operation performed by the user on or near the touch panel 1071 using a finger, a stylus, or any other suitable object or accessory), and drive a corresponding connection device according to a predetermined program. The touch panel 1071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 110, and can receive and execute commands sent by the processor 110. In addition, the touch panel 1071 may be implemented in various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 1071, the user input unit 107 may include other input devices 1072. In particular, other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like, and are not limited to these specific examples.
Further, the touch panel 1071 may cover the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or nearby, the touch panel 1071 transmits the touch operation to the processor 110 to determine the type of the touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of the touch event. Although the touch panel 1071 and the display panel 1061 are shown in fig. 1 as two separate components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 and the display panel 1061 may be integrated to implement the input and output functions of the mobile terminal, and is not limited herein.
The interface unit 108 serves as an interface through which at least one external device is connected to the mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 108 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal 100 and external devices.
The memory 109 may be used to store software programs as well as various data. The memory 109 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 109 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 110 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by operating or executing software programs and/or modules stored in the memory 109 and calling data stored in the memory 109, thereby performing overall monitoring of the mobile terminal. Processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 110.
The mobile terminal 100 may further include a power supply 111 (e.g., a battery) for supplying power to various components, and preferably, the power supply 111 may be logically connected to the processor 110 via a power management system, so as to manage charging, discharging, and power consumption management functions via the power management system.
Although not shown in fig. 1, the mobile terminal 100 may further include a bluetooth module or the like, which is not described in detail herein.
In order to facilitate understanding of the embodiments of the present invention, a communication network system on which the mobile terminal of the present invention is based is described below.
Referring to fig. 2, fig. 2 is an architecture diagram of a communication Network system according to an embodiment of the present invention, where the communication Network system is an LTE system of a universal mobile telecommunications technology, and the LTE system includes a UE (User Equipment) 201, an E-UTRAN (Evolved UMTS Terrestrial Radio Access Network) 202, an EPC (Evolved Packet Core) 203, and an IP service 204 of an operator, which are in communication connection in sequence.
Specifically, the UE201 may be the terminal 100 described above, and is not described herein again.
The E-UTRAN202 includes eNodeB2021 and other eNodeBs 2022, among others. Among them, the eNodeB2021 may be connected with other eNodeB2022 through backhaul (e.g., X2 interface), the eNodeB2021 is connected to the EPC203, and the eNodeB2021 may provide the UE201 access to the EPC 203.
The EPC203 may include an MME (Mobility Management Entity) 2031, an HSS (Home Subscriber Server) 2032, other MMEs 2033, an SGW (Serving gateway) 2034, a PGW (PDN gateway) 2035, and a PCRF (Policy and Charging Rules Function) 2036, and the like. The MME2031 is a control node that handles signaling between the UE201 and the EPC203, and provides bearer and connection management. HSS2032 is used to provide registers to manage functions such as home location register (not shown) and holds subscriber specific information about service characteristics, data rates, etc. All user data may be sent through SGW2034, PGW2035 may provide IP address assignment for UE201 and other functions, and PCRF2036 is a policy and charging control policy decision point for traffic data flow and IP bearer resources, which selects and provides available policy and charging control decisions for a policy and charging enforcement function (not shown).
The IP services 204 may include the internet, intranets, IMS (IP Multimedia Subsystem), or other IP services, among others.
Although the LTE system is described as an example, it should be understood by those skilled in the art that the present invention is not limited to the LTE system, but may also be applied to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA, and future new network systems.
Based on the above mobile terminal hardware structure and communication network system, the present invention provides various embodiments of the method.
Example one
A first embodiment of the present invention provides a mobile terminal heat dissipation and falling prevention structure, as shown in fig. 3 and 4, including: the fan 7 is arranged in the rear shell of the mobile terminal and used for dissipating heat of the mobile terminal; the size of the fan is 17mm multiplied by 17mm or 15mm multiplied by 15 mm; the mobile terminal comprises a frame 1 of the mobile terminal, wherein the frame of the mobile terminal comprises a horizontal frame and a vertical frame; frame 1 of mobile terminal sets up at least one recess 2, set up play dryer 3 in the recess 2, play dryer and fan keep the air current intercommunication, and the length of play dryer 3 is not less than 15mm, highly is not less than 5 mm. As shown in fig. 4, the air outlet cylinder 3 is provided with a spring piece 5. According to the heat dissipation requirement, 2 air outlet cylinders can be arranged on the frame of the mobile terminal, the positions of the air outlet cylinders are preferably arranged on the vertical frame of the mobile terminal, namely grooves corresponding to the number of the air outlet cylinders are arranged on the vertical frame of the mobile terminal, and one air outlet cylinder is arranged in each groove; the positions of the grooves on the frame can be symmetrical or asymmetrical, preferably one side is on the top and the other side is on the bottom, for example, the grooves on the frame on the left side are arranged on the top, the grooves on the frame on the right side are arranged on the bottom, and the number of the air outlet cylinders can be larger than that of the fans on the mobile terminal, so as to ensure uniform heat dissipation.
The air outlet barrel 3 is fixed with the groove on the frame of the mobile terminal through a connecting structure, the air outlet barrel comprises a first state and a second state, and when the air outlet barrel is in the first state, the air outlet barrel is hidden in the corresponding groove; when the air outlet barrel is in the second state, the air outlet barrel is positioned outside the corresponding groove, and the elastic sheet on the air outlet barrel is opened.
As shown in fig. 3, the electromagnetic expansion block 4 is disposed on the groove wall, and the electromagnetic expansion block is controlled by electric force, and is ejected by the repulsive force of magnetic force after being powered on, so as to switch the air outlet duct from the first state to the second state.
The connecting structure can be realized in various ways:
as an optional structure, the connecting structure comprises a first connecting rod and a second connecting rod, and the first connecting rod is connected with the second connecting rod through a pin shaft or a sliding shaft; the end part of the first connecting rod is fixedly connected with a connecting rod fixing point in the groove, and the end part of the second connecting rod is connected with the air outlet barrel through a pin shaft; the first connecting rod and the second connecting rod are equal in length and the length of the first connecting rod and the length of the second connecting rod are equal to the depth of the groove; when the air outlet cylinder is in a first state, the first connecting rod and the second connecting rod are overlapped at the back of the air outlet cylinder and are hidden in the corresponding grooves together with the air outlet cylinder; when the air outlet barrel is in the second state, the first connecting rod and the second connecting rod are connected into a straight line to enable the air outlet barrel to be positioned outside the corresponding groove.
As another optional structure, the connecting structure is a V-shaped elastic sheet, one end of the elastic sheet is fixed in the groove, the other end of the elastic sheet is fixedly connected with the air outlet cylinder, and when the air outlet cylinder is in a first state, the V-shaped elastic sheet is folded into a straight line shape and is hidden in the corresponding groove with the air outlet cylinder; when the air outlet cylinder is in the second state, the V-shaped elastic sheet springs open to enable the air outlet cylinder to be positioned outside the groove.
As another optional structure, the groove is located at a junction of a horizontal frame and a vertical frame of the frame, i.e., a vertex of the mobile terminal, the air outlet cylinder is connected with the groove through a rotating shaft, and the air outlet cylinder rotates within 90 degrees relative to the groove; when the air outlet barrel is in the first state, the rotation angle of the air outlet barrel relative to the groove is 0 degree, and the air outlet barrel is hidden in the corresponding groove; when the air outlet barrel is in the second state, the rotation angle of the air outlet barrel relative to the groove is 90 degrees, and the air outlet barrel is located outside the corresponding groove.
The air outlet cylinders are arranged in multiple numbers, in order to prevent the air outlet cylinders from becoming inlets of dust or water vapor when the fan is not started, baffles are arranged at the outlets of the air outlet cylinders, and the baffles are opened when the fan switch is started and closed when the fan switch is closed; the baffle can be in an electromagnetic driving type and can be automatically opened when being electrified.
And a control module for controlling the on-off of the electromagnetic telescopic block is arranged on the mobile terminal. The control module is controlled by the mobile terminal processor, and when the mobile terminal processor sends a power-on signal to the control module, the control module starts a circuit control switch of the electromagnetic telescopic block and a circuit switch of a separation blade at the air outlet cylinder. Particularly, the mobile terminal senses a detection signal of the motion sensor, if the motion sensor detects that the mobile terminal is in a free-falling body state, the processor sends a power-on signal to the control module, the control module starts a circuit control switch of the electromagnetic telescopic block, the electromagnetic telescopic block is powered on and is pushed out outwards under the action of a repulsive force, the air outlet cylinder is pushed out from the groove, when the air outlet cylinder reaches the outer side of the groove from the groove, namely the air outlet cylinder is switched from the first state to the second state, the elastic sheet 5 on the air outlet cylinder bounces, and when the mobile terminal falls to the ground, the air outlet cylinder and the elastic sheet form a fulcrum, so that the screen of the mobile terminal is prevented from falling to the ground, and the screen can be protected from being broken.
A fan switch 6 is arranged on a frame of the mobile terminal and is of a push type or a push type. The fan is turned on or turned off through the switch on the frame, the electromagnetic control circuit of the baffle on the air outlet cylinder is linked with the switch, when the switch is turned on, the electromagnetic control circuit of the baffle is controlled to be communicated, and the baffle is moved away to enable the air outlet cylinder to be smooth.
The fan of the mobile terminal can use a temperature sensing automatic switch besides the push type or push type switch, and the specific process is as follows: the mobile terminal also detects the body temperature of the mobile terminal through the temperature sensor, once the body temperature of the mobile terminal is too high and exceeds a preset threshold value for starting the fan, the processor of the mobile terminal can send an indication to the control module to indicate that the control module is connected with the ventilating fan power supply circuit and the power-on switch of the baffle of the air outlet cylinder, the fan starts working and generates air flow when being powered on, the heat of the mobile terminal is dissipated, the baffle is moved away from the air outlet cylinder, so that the air flow channel in the mobile terminal is normal and the heat dissipation is facilitated. When the temperature sensor of the mobile terminal detects that the body temperature of the mobile terminal is lower than the preset value, the power supply circuit of the fan is controlled to be powered off, the fan stops working, and the baffle plate restores to the position.
Example two
A second embodiment of the present invention provides a mobile terminal, where the mobile terminal is provided with a mobile terminal heat dissipation and drop prevention structure; the heat dissipation of mobile terminal prevents falling the structure and contains: the fan 7 is arranged in the rear shell of the mobile terminal and used for dissipating heat of the mobile terminal; the size of the fan is 17mm multiplied by 17mm or 15mm multiplied by 15 mm; the mobile terminal comprises a frame 1 of the mobile terminal, wherein the frame of the mobile terminal comprises a horizontal frame and a vertical frame; frame 1 of mobile terminal sets up at least one recess 2, set up play dryer 3 in the recess 2, play dryer and fan keep the air current intercommunication, and the length of play dryer 3 is not less than 15mm, highly is not less than 5 mm. As shown in fig. 4, the air outlet cylinder is provided with a spring piece 5. According to the heat dissipation requirement, 2 air outlet cylinders can be arranged on the frame of the mobile terminal, the positions of the air outlet cylinders are preferably arranged on the vertical frame of the mobile terminal, namely grooves corresponding to the number of the air outlet cylinders are arranged on the vertical frame of the mobile terminal, and one air outlet cylinder is arranged in each groove; the positions of the grooves on the frame can be symmetrical or asymmetrical, preferably one side is on the top and the other side is on the bottom, for example, the grooves on the frame on the left side are arranged on the top, the grooves on the frame on the right side are arranged on the bottom, and the number of the air outlet cylinders can be larger than that of the fans on the mobile terminal, so as to ensure uniform heat dissipation.
The air outlet barrel is fixed with the groove on the frame of the mobile terminal through a connecting structure, the air outlet barrel comprises a first state and a second state, and when the air outlet barrel is in the first state, the air outlet barrel is hidden in the corresponding groove; when the air outlet barrel is in the second state, the air outlet barrel is positioned outside the corresponding groove, and the elastic sheet on the air outlet barrel is opened;
as shown in fig. 3, the electromagnetic expansion block 4 is disposed on the groove wall, and the electromagnetic expansion block is controlled by electric force, and is ejected by the repulsive force of magnetic force after being powered on, so as to switch the air outlet duct from the first state to the second state.
The connecting structure can be realized in various ways:
as an optional structure, the connecting structure comprises a first connecting rod and a second connecting rod, and the first connecting rod is connected with the second connecting rod through a pin shaft or a sliding shaft; the end part of the first connecting rod is fixedly connected with a connecting rod fixing point in the groove, and the end part of the second connecting rod is connected with the air outlet barrel through a pin shaft; the first connecting rod and the second connecting rod are equal in length and the length of the first connecting rod and the length of the second connecting rod are equal to the depth of the groove; when the air outlet cylinder is in a first state, the first connecting rod and the second connecting rod are overlapped at the back of the air outlet cylinder and are hidden in the corresponding grooves together with the air outlet cylinder; when the air outlet barrel is in the second state, the first connecting rod and the second connecting rod are connected into a straight line to enable the air outlet barrel to be positioned outside the corresponding groove.
As another optional structure, the connecting structure is a V-shaped elastic sheet, one end of the elastic sheet is fixed in the groove, the other end of the elastic sheet is fixedly connected with the air outlet cylinder, and when the air outlet cylinder is in a first state, the V-shaped elastic sheet is folded into a straight line shape and is hidden in the corresponding groove with the air outlet cylinder; when the air outlet cylinder is in the second state, the V-shaped elastic sheet springs open to enable the air outlet cylinder to be positioned outside the groove.
As another optional structure, the groove is located at a junction of a horizontal frame and a vertical frame of the frame, i.e., a vertex of the mobile terminal, the air outlet cylinder is connected with the groove through a rotating shaft, and the air outlet cylinder rotates within 90 degrees relative to the groove; when the air outlet barrel is in the first state, the rotation angle of the air outlet barrel relative to the groove is 0 degree, and the air outlet barrel is hidden in the corresponding groove; when the air outlet barrel is in the second state, the rotation angle of the air outlet barrel relative to the groove is 90 degrees, and the air outlet barrel is located outside the corresponding groove.
A fan switch 6 is arranged on a frame of the mobile terminal and is of a push type or a push type. The play dryer sets up a plurality ofly, when not opening in order to prevent that the fan, play dryer department becomes the entry of dust or aqueous vapor, the exit of play dryer sets up the baffle, the baffle is opened when fan switch opens, closes when fan switch closes, the baffle can set up to electromagnetic drive formula, opens automatically during the circular telegram.
And a control module for controlling the on-off of the electromagnetic telescopic block is arranged on the mobile terminal. The control module is controlled by the mobile terminal processor, and when the mobile terminal processor sends a power-on signal to the control module, the control module starts a circuit control switch of the electromagnetic telescopic block and a circuit switch of a separation blade at the air outlet cylinder. Particularly, the mobile terminal senses a detection signal of the motion sensor, if the motion sensor detects that the mobile terminal is in a free-falling body state, the processor sends a power-on signal to the control module, the control module starts a circuit control switch of the electromagnetic telescopic block, the electromagnetic telescopic block is powered on and is pushed out outwards under the action of a repulsive force, the air outlet cylinder is pushed out from the groove, when the air outlet cylinder reaches the outer side of the groove from the groove, namely the air outlet cylinder is switched from the first state to the second state, the elastic sheet 5 on the air outlet cylinder bounces, and when the mobile terminal falls to the ground, the air outlet cylinder and the elastic sheet form a fulcrum, so that the screen of the mobile terminal is prevented from falling to the ground, and the screen can be protected from being broken.
A fan switch is arranged on a frame of the mobile terminal and is of a push type or a push type. The fan is turned on or turned off through the switch on the frame, the electromagnetic control circuit of the baffle on the air outlet cylinder is linked with the switch, when the switch is turned on, the electromagnetic control circuit of the baffle is controlled to be communicated, and the baffle is moved away to enable the air outlet cylinder to be smooth.
The fan of the mobile terminal can use a temperature sensing automatic switch besides the push type or push type switch, and the specific process is as follows: the mobile terminal also detects the body temperature of the mobile terminal through the temperature sensor, once the body temperature of the mobile terminal is too high and exceeds a preset threshold value for starting the fan, the processor of the mobile terminal can send an indication to the control module to indicate that the control module is connected with the ventilating fan power supply circuit and the power-on switch of the baffle of the air outlet cylinder, the fan starts working and generates air flow when being powered on, the heat of the mobile terminal is dissipated, the baffle is moved away from the air outlet cylinder, so that the air flow channel in the mobile terminal is normal and the heat dissipation is facilitated. When the temperature sensor of the mobile terminal detects that the body temperature of the mobile terminal is lower than the preset value, the power supply circuit of the fan is controlled to be powered off, the fan stops working, and the baffle plate restores to the position.
Besides the structure, the mobile terminal also comprises a display screen, a middle frame, components and heat dissipation structures. The middle frame is used for assembling the display screen and a rear cover in the heat dissipation structure. The display screen, the middle frame and the rear cover are assembled together to form an accommodating space for accommodating various components, and when the fan works, the fan can be matched with the air outlet to drive the heat of the components in the accommodating space to be discharged from the air outlet.
In the embodiment, the component is provided with the accommodating position, the position of the accommodating position corresponds to the position of the fan, and when the component is assembled on the inner surface of the cover body opposite to the display screen, the fan is at least partially accommodated in the accommodating position. In this embodiment, the component includes a circuit board, and the circuit board is provided with a receiving location, for example, the circuit board is L-shaped. In other embodiments, the component includes a battery, and the battery is provided with a receiving position, for example, the battery may be L-shaped. In other embodiments, the receiving position of the component is composed of a circuit board receiving position and a battery receiving position.
In the present embodiment, when the middle frame and the heat dissipation structure are assembled together, the gap between the fan and the middle frame in the thickness direction of the middle frame is not more than 3 mm. In the present embodiment, the heat pipe is provided on the middle frame, wherein the heat pipe is an elongated assembly made of a high thermal conductive material, and the heat pipe is mounted on the surface of the middle frame along the longitudinal direction of the middle frame, and the heat pipe can transfer the heat in the region where the heat of the component on the middle frame is concentrated to other regions of the middle frame, so as to reduce the occurrence of the excessive temperature of the regions. In order to further improve the heat transfer from the heat pipe of the intermediate frame to another region, in the present embodiment, a partial region of the heat pipe corresponds to a housing position of the component, that is, corresponds to the fan. By such an embodiment, the low temperature air introduced from the fan can be guided onto the heat pipe, thereby helping to reduce the temperature of the heat pipe and improving the heat conduction capability of the heat pipe. In other embodiments, the surface of the middle frame may also be provided with a temperature equalization plate, and other periods of high-power heat dissipation may also be provided, which is not limited specifically.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a structure is prevented falling in mobile terminal heat dissipation which characterized in that contains:
the fan is arranged in the rear shell of the mobile terminal and used for dissipating heat of the mobile terminal;
the frame of the mobile terminal is provided with at least one groove, an air outlet cylinder is arranged in the groove, and the air outlet cylinder is communicated with the fan in an air flow manner;
the air outlet cylinder is provided with an elastic sheet;
the air outlet cylinder is fixed with a groove in the mobile terminal frame through a connecting structure and comprises a first state and a second state; when the air outlet barrel is in the first state, the air outlet barrel is hidden in the corresponding groove; when the air outlet barrel is in the second state, the air outlet barrel is positioned outside the corresponding groove, and the elastic sheet on the air outlet barrel is opened;
still contain the electromagnetic stretching piece, the electromagnetic stretching piece set up in on the groove wall, the electromagnetic stretching piece stretches out when mobile terminal is in the free fall state, and will the play dryer switches to the second state from the first state.
2. The mobile terminal heat dissipation and drop-resistant structure according to claim 1, wherein the connection structure comprises a first connection rod and a second connection rod, and the first connection rod and the second connection rod are connected through a pin shaft or a sliding shaft; the end part of the first connecting rod is fixedly connected with a connecting rod fixing point in the groove, and the end part of the second connecting rod is connected with the air outlet barrel through a pin shaft; the first connecting rod and the second connecting rod are equal in length and the length of the first connecting rod and the length of the second connecting rod are equal to the depth of the groove; when the air outlet cylinder is in a first state, the first connecting rod and the second connecting rod are overlapped at the back of the air outlet cylinder and are hidden in the corresponding grooves together with the air outlet cylinder; when the air outlet barrel is in the second state, the first connecting rod and the second connecting rod are connected into a straight line to enable the air outlet barrel to be positioned outside the corresponding groove.
3. The mobile terminal heat dissipation and drop-resistant structure according to claim 1, wherein the connection structure is a V-shaped elastic sheet, one end of the elastic sheet is fixed in the groove, the other end of the elastic sheet is fixedly connected with the air outlet cylinder, and when the air outlet cylinder is in the first state, the V-shaped elastic sheet is folded into a straight shape and hidden in the corresponding groove with the air outlet cylinder; when the air outlet cylinder is in the second state, the V-shaped elastic sheet springs open to enable the air outlet cylinder to be positioned outside the groove.
4. The mobile terminal heat dissipation and drop prevention structure of claim 1, wherein the groove is located at a junction of a horizontal frame and a vertical frame of a frame, the air outlet barrel is connected with the groove through a rotating shaft, and the air outlet barrel rotates within 90 degrees relative to the groove; when the air outlet barrel is in the first state, the rotation angle of the air outlet barrel relative to the groove is 0 degree, and the air outlet barrel is hidden in the corresponding groove; when the air outlet barrel is in the second state, the rotation angle of the air outlet barrel relative to the groove is 90 degrees, and the air outlet barrel is located outside the corresponding groove.
5. The mobile terminal heat dissipation anti-falling structure according to claim 1, wherein a fan switch is arranged on a frame of the mobile terminal, and the fan switch is push-type or push-pull type.
6. The mobile terminal heat dissipation anti-falling structure according to claim 5, wherein the air outlet cylinder is provided in plurality.
7. The mobile terminal heat dissipation and drop-proof structure of claim 5, wherein a baffle is disposed at an outlet of the air outlet cylinder, and the baffle is turned on when the fan switch is turned on and turned off when the fan switch is turned off.
8. The mobile terminal heat dissipation and drop prevention structure of claim 1, wherein the length of the air outlet cylinder is not less than 15mm, and the height of the air outlet cylinder is not less than 5 mm.
9. A mobile terminal, characterized by: the mobile terminal is provided with a mobile terminal heat dissipation and drop prevention structure of any one of claims 1-8.
10. The mobile terminal of claim 9, wherein: the mobile terminal is provided with a control module for controlling the on-off of the electromagnetic telescopic block.
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| CN201811446130.2A CN109348017B (en) | 2018-11-29 | 2018-11-29 | Mobile terminal heat dissipation anti-falling structure and mobile terminal |
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| CN201811446130.2A CN109348017B (en) | 2018-11-29 | 2018-11-29 | Mobile terminal heat dissipation anti-falling structure and mobile terminal |
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| CN109348017B true CN109348017B (en) | 2021-09-07 |
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| CN111866264B (en) * | 2019-04-28 | 2021-04-02 | 重庆赫皇科技咨询有限公司 | Mobile terminal with auxiliary blowing operation device and control method thereof |
| CN110191623B (en) * | 2019-06-26 | 2020-08-25 | Oppo广东移动通信有限公司 | Shell assembly and electronic equipment |
| CN113194169B (en) * | 2021-04-27 | 2024-06-21 | 努比亚技术有限公司 | Movable air duct structure and terminal |
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