A wireless mobile power source

Abstract

The utility model relates to the technical field of mobile power supply, and discloses a wireless mobile power supply, including: a housing; a battery core is arranged in the housing, a circuit board is arranged in the housing, an IC chip is installed on the circuit board, and the circuit board is electrically connected to the battery core; a sensing element is arranged at the position of the IC chip, and is used to sense the temperature of the IC chip; a heat conduction block wraps the sensing element, and the heat conduction block is placed on the IC chip, and is used to transfer the temperature of the IC chip; a semiconductor cooling sheet is electrically connected to the circuit board, and the cold surface of the semiconductor cooling sheet is attached to the heat conduction block; a heat dissipation bracket is arranged above the circuit board, and the heat dissipation bracket is in contact with the hot surface of the semiconductor, and one or more fans are arranged on the heat dissipation bracket; the sensing element senses that the temperature of the IC chip exceeds a threshold, and the semiconductor cooling sheet and the fan drive to dissipate heat. The utility model can effectively ensure the charging efficiency and greatly speed up the charging speed.

Description

Technical Field

[0001] The utility model relates to the technical field of mobile power supplies, in particular to a wireless mobile power supply. Background Art

[0002] In recent years, with the widespread popularity of smart wearable devices, the demand for mobile power banks has become increasingly strong. Existing wireless power banks mainly use wireless charging technology. Energy is transmitted between the power bank and the mobile phone through a magnetic field, and there is no need for wires to connect the two. Therefore, the charging method is simple and it is more convenient to carry.

[0003] For example, patent document CN219611399U. A wireless charging mobile power supply includes a shell, a wireless transmitting coil, a magnetic ring, a circuit board and a battery core are arranged inside the shell, the wireless transmitting coil and the battery core are electrically connected to the circuit board, the magnetic ring is sleeved on the wireless transmitting coil, the shell is connected to a magnetic suction part, the shell is provided with an induction cavity and a positioning cavity, and the induction cavity and the positioning cavity are both connected to a silicone pad.

[0004] However, when the existing wireless charging mobile power is in use, the temperature of the IC chip will gradually increase after entering 5W, 7.5W, 10W, and 15W, and the increase in temperature will cause the charging power to decrease.

[0005] Therefore, improvements need to be made. Utility Model Content

[0006] The technical problem solved by the utility model is to provide a wireless mobile power supply in view of the defects existing in the above-mentioned prior art, and its main purpose is to provide a cooling and heat dissipation structure on the wireless mobile power supply to solve the problems raised in the above-mentioned background technology.

[0007] In order to solve the above technical problems, the technical solution adopted by the utility model is as follows: a wireless mobile power supply, comprising: a shell; a battery cell, the battery cell is arranged in the shell, a circuit board, the circuit board is arranged in the shell, an IC chip is installed on the circuit board, and the circuit board is electrically connected to the battery cell; a sensing element, the sensing element is electrically connected to the circuit board, the sensing element is arranged at the position of the IC chip, and the sensing element is used to sense the temperature of the IC chip; a heat conductive block, the heat conductive block wraps the sensing element, the heat conductive block is placed on the IC chip, and the heat conductive block is used to transfer the temperature of the IC chip; a semiconductor cooling sheet, the semiconductor cooling sheet is electrically connected to the circuit board, and the cold surface of the semiconductor cooling sheet is in contact with the heat conductive block; a heat dissipation bracket, the heat dissipation bracket is arranged above the circuit board, the heat dissipation bracket is in contact with the hot surface of the semiconductor, and one or more fans are provided on the heat dissipation bracket; wherein, the sensing element senses that the temperature of the IC chip exceeds a threshold value, and the semiconductor cooling sheet and the fan drive to dissipate heat.

[0008] Furthermore, it includes a wireless transmitting coil, which is arranged in the shell, the wireless transmitting coil is electrically connected to the circuit board, and a magnetic ring is arranged on the periphery of the wireless transmitting coil.

[0009] Furthermore, it includes a magnet, which is arranged on one side of the magnetic ring and is used to adsorb and fix the charging device.

[0010] Furthermore, the sensing element is a temperature probe, a temperature sensor or a thermistor.

[0011] Furthermore, the heat conductive block is heat conductive silica gel.

[0012] Furthermore, the heat dissipation bracket is made of aluminum material.

[0013] Furthermore, the heat dissipation bracket has a recessed installation area, and the fan is placed in the installation area.

[0014] Furthermore, the circuit board is provided with a USB charging port and a type-c charging port.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The induction component, heat-conducting block, semiconductor cooling sheet, heat dissipation bracket and fan are combined. When the temperature is high, the induction component senses and drives the semiconductor cooling sheet and fan to dissipate heat and discharge the heat.

[0017] 2. Effectively reduce the temperature to ensure the charging efficiency of the wireless mobile power bank with little impact on the charging speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model.

[0019] Figure 2 It is a schematic diagram of the internal structure of the utility model.

[0020] Figure 3 It is a partial structural schematic diagram of the utility model.

[0021] Figure 4 yes Figure 3 Another angle diagram of the structure.

[0022] Figure 5 It is a schematic diagram of the explosion structure of the utility model.

[0023] Figure 6 It is a schematic diagram of the structure of the circuit board.

[0024] Figure numerals: 1. Shell; 2. Battery cell; 3. Circuit board; 4. IC chip; 5. Induction component; 6. Heat-conducting block; 7. Semiconductor cooling sheet; 8. Heat dissipation bracket; 9. Fan; 10. Wireless transmitting coil; 11. Magnetic ring; 12. Magnet; 13. Installation area; 14. USB charging port; 15. Type-C charging port. DETAILED DESCRIPTION

[0025] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0026] The embodiments described with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and cannot be understood as limiting the present application. In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present application, the meanings of "several" and "multiple" are two or more, unless otherwise clearly and specifically defined. In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances. In this application, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature can include the first and second features being in direct contact, or it can include the first and second features not being in direct contact but being in contact through another feature between them. Moreover, the first feature "above", "above" and "above" the second feature include the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature "below", "below" and "below" the second feature include the first feature being directly above and obliquely above the second feature, or simply means that the first feature is lower in level than the second feature.

[0027] like Figure 1-6 As shown, a wireless mobile power supply is provided, comprising: a shell 1; a battery cell 2, wherein the battery cell 2 is arranged in the shell 1, a circuit board 3, wherein the circuit board 3 is arranged in the shell 1, an IC chip 4 is mounted on the circuit board 3, and the circuit board 3 is electrically connected to the battery cell 2; a sensing element 5, wherein the sensing element 5 is electrically connected to the circuit board 3, wherein the sensing element 5 is arranged at the position of the IC chip 4, and wherein the sensing element 5 is used to sense the temperature of the IC chip 4; a heat conducting block 6, wherein the heat conducting block 6 wraps the sensing element 5, wherein the heat conducting block 6 is placed on the IC chip 4, and wherein the heat conducting block 6 is used to transfer the temperature of the IC chip 4; a semiconductor cooling sheet 7, wherein the semiconductor cooling sheet 7 is electrically connected to the circuit board 3, wherein the cold surface of the semiconductor cooling sheet 7 is in contact with the heat conducting block 6; a heat dissipation bracket 8, wherein the heat dissipation bracket 8 is arranged above the circuit board 3, wherein the heat dissipation bracket 8 is in contact with the hot surface of the semiconductor, and wherein one or more fans 9 are provided on the heat dissipation bracket 8; wherein the sensing element 5 senses that the temperature of the IC chip 4 exceeds a threshold value, and the semiconductor cooling sheet 7 and the fan 9 are driven to dissipate heat.

[0028] In view of the background technology, since the temperature of the IC chip 4 will gradually increase after the wireless charging power reaches 5W, 7.5W, 10W, and 15W, the temperature increase will cause the charging power to decrease. If the heat dissipation and cooling cannot be performed in time, the charging speed will be greatly affected.

[0029] In this regard, the core of this application is to dissipate heat and cool the wireless charging power supply, specifically: the induction component 5, the heat conductive block 6, the semiconductor cooling sheet 7, the heat dissipation bracket 8 and the fan 9 are combined, and the use process is: the induction component 5 is a preset temperature threshold, for example, the preset temperature threshold is 40 degrees. When the temperature of the IC chip 4 reaches 40 degrees, the heat conductive block 6 is in contact with the IC chip 4, and the temperature of the heat conductive block 6 rises. The induction component 5 is set in the heat conductive block 6, and the induction component 5 then drives the semiconductor cooling sheet 7 and the fan 9 to drive. The cold surface of the semiconductor cooling sheet 7 is in contact with the heat conductive block 6, thereby cooling the heat conductive block 6 and indirectly cooling the IC chip 4. At the same time, the hot surface of the semiconductor cooling sheet 7 is transferred under the heat conduction of the heat dissipation bracket 8, and then the fan 9 drives the heat dissipation bracket 8 to dissipate heat, thereby ensuring that the cold surface of the semiconductor cooling sheet 7 can cool the heat conductive block 6. In this way, the temperature can be cooled and discharged, the charging efficiency of the wireless mobile power supply is guaranteed, and a faster charging speed is maintained.

[0030] like Figure 2-3As shown, the utility model includes a wireless transmitting coil 10, which is arranged in the housing 1, and is electrically connected to the circuit board 3. A magnetic ring 11 is arranged on the periphery of the wireless transmitting coil 10. The charging device is charged by complete power transmission through magnetic field resonance between the wireless transmitting coil 10 and the charging device.

[0031] Specifically, the utility model further includes a magnet 12, which is arranged on one side of the magnetic ring 11 and is used to adsorb and fix the charging device. The charging device is fixed by the magnet 12 to prevent the charging device from moving or becoming unstable, which may cause charging interruption.

[0032] Preferably, the sensing element 5 is a temperature probe, a temperature sensor or a thermistor, and of course, it can also be other types of temperature sensing elements 5. In the present utility model, a thermistor is used for implementation.

[0033] The heat-conducting block 6 is made of heat-conducting silica gel, and the heat-conducting silica gel is used to conduct heat, and at the same time, the induction element 5 is conveniently placed in the heat-conducting block 6 .

[0034] The heat dissipation bracket 8 is made of aluminum material. Aluminum material has better thermal conductivity and can conduct the heat of the hot surface of the semiconductor cooling plate 7 in time, which is convenient for the fan 9 to drive the heat dissipation.

[0035] like Figure 5 As shown, the heat dissipation bracket 8 has a recessed mounting area 13, and the fan 9 is placed in the mounting area 13. In order to optimize the structural layout and reduce the space occupied by components, the mounting area 13 is set on the heat dissipation bracket 8, and the fan 9 is embedded in the mounting area 13. When the fan 9 is driven, the heat dissipation bracket 8 is cooled.

[0036] Furthermore, the circuit board 3 is provided with a USB charging port 14 and a type-c charging port 15. In order to facilitate the use of the device, the USB charging port 14 and the type-c charging port 15 are added for charging.

[0037] The above does not limit the technical scope of the present invention. Any modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A wireless mobile power source, characterized in that: include: case; A battery cell, wherein the battery cell is arranged in the housing, A circuit board, the circuit board is arranged in the housing, an IC chip is mounted on the circuit board, and the circuit board is electrically connected to the battery cell; A sensing element, the sensing element is electrically connected to the circuit board, the sensing element is arranged at the position of the IC chip, and the sensing element is used to sense the temperature of the IC chip; A heat-conducting block, the heat-conducting block wraps the induction element, the heat-conducting block is placed on the IC chip, and the heat-conducting block is used to transfer the temperature of the IC chip; A semiconductor refrigeration sheet, wherein the semiconductor refrigeration sheet is electrically connected to the circuit board, and a cold surface of the semiconductor refrigeration sheet is in contact with the heat conducting block; A heat dissipation bracket, the heat dissipation bracket is arranged above the circuit board, the heat dissipation bracket is in contact with the hot surface of the semiconductor, and one or more fans are arranged on the heat dissipation bracket; The sensing element senses that the temperature of the IC chip exceeds a threshold value, and the semiconductor cooling sheet and the fan drive dissipate heat.

2. The wireless mobile power supply according to claim 1, characterized in that: It comprises a wireless transmitting coil, which is arranged in the shell, electrically connected to the circuit board, and a magnetic ring is arranged on the periphery of the wireless transmitting coil.

3. The wireless mobile power supply according to claim 2, characterized in that: It includes a magnet, which is arranged on one side of the magnetic ring and is used to adsorb and fix the charging device.

4. The wireless mobile power supply according to claim 1, characterized in that: The sensing element is a temperature probe, a temperature sensor or a thermistor.

5. The wireless mobile power supply according to claim 1, characterized in that: The heat-conducting block is heat-conducting silica gel.

6. The wireless mobile power supply according to claim 1, characterized in that: The heat dissipation bracket is made of aluminum material.

7. The wireless mobile power supply according to claim 1, characterized in that: The heat dissipation bracket has a recessed installation area, and the fan is placed in the installation area.

8. The wireless mobile power supply according to claim 1, characterized in that: The circuit board is provided with a USB charging port and a type-c charging port.

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