CN217984634U - Heat dissipation charging device - Google Patents

Abstract

This application relates to the technical field of charging equipment, and provides a heat dissipation charging device, including: a housing, a heat dissipation air duct is arranged in the housing; a battery, the battery is located in the housing; a main board, the main board is arranged in the housing, and is located outside the heat dissipation air duct , the main board is electrically connected to the battery; the heat conduction layer is arranged on the back of the main board and connected to the outer wall of the heat dissipation air duct; the heat dissipation fan is arranged in the housing and is located at one end of the heat dissipation air duct, and the heat dissipation fan is electrically connected to the main board. It solves the problem that the heat generated by the internal battery in the prior art cannot be dissipated in time.

Description

A cooling charging device

technical field

The present application relates to the technical field of charging equipment, in particular to a heat dissipation charging device.

Background technique

Power bank is a kind of mobile power supply, which can be convenient for people to temporarily charge some devices such as mobile phones, tablets, watches, etc. It has the advantages of being portable and convenient to charge electronic products at any time, and is widely used in daily life.

The existing charging treasure needs to be charged first, and the external battery product can be portablely charged only after the internal battery is charged. The battery of the charging treasure will generate heat during the charging process. As the battery capacity of the charging treasure is getting higher and higher in daily life, the charging time of the internal battery is getting longer and longer, and the heat generation is also increasing. However, if the heat of the charging process cannot be dissipated in time, it will cause damage to the electronic components on the main board, which will not only lead to a decrease in the performance of the power bank, but also may cause safety problems such as burning of the main board and explosion of the battery.

Therefore, the prior art still needs to be improved and developed.

Utility model content

In view of the above deficiencies in the prior art, the purpose of the present application is to provide a heat dissipation charging device to solve the problem in the prior art that the heat generated by the internal battery cannot be dissipated in time.

The technical scheme of the application is as follows:

The present application provides a heat dissipation charging device, comprising: a casing, and a heat dissipation air duct is arranged in the casing;

a battery, the battery is located in the casing;

The main board, the main board is arranged in the shell, and is located outside the cooling air duct, and the main board is electrically connected to the battery;

A heat conduction layer, the heat conduction layer is arranged on the back of the motherboard and connected to the outer wall of the heat dissipation air duct;

A heat dissipation fan, the heat dissipation fan is arranged in the casing, and is located at one end of the heat dissipation air duct, and the heat dissipation fan is electrically connected with the main board.

Optionally, the casing extends for a preset length along a preset direction;

Ventilation holes are respectively opened at both ends of the housing in a preset direction, and the cooling air duct communicates with the ventilation holes at the two ends.

Optionally, the battery is arranged in the cooling air duct.

Optionally, the housing includes: a bracket, the bracket includes an intermediate bearing part, and a first end surface and a second end surface respectively connected to both ends of the intermediate bearing part, and vent holes are respectively set on the first end surface and the second end surface;

a bottom cover, the bottom cover is connected to the bracket, and is located under the middle bearing part, and forms a cooling air duct with the middle bearing part;

The main board is connected to the middle bearing part, and the thermal conduction layer is a heat-conducting silica gel layer, which is filled between the main board and the middle bearing part.

Optionally, the housing further includes: a shell, which is sleeved on the outside of the bracket and the bottom cover;

An installation cavity is formed between the shell and the intermediate bearing part, and the main board is located in the installation cavity.

Optionally, the shell is a transparent shell.

Optionally, a fan slot is provided on the side of the bottom cover close to the second end face, and the cooling fan is embedded in the fan slot.

Optionally, a hook is provided on the bottom cover, and a slot is provided on the middle bearing part, and the hook is used to be inserted into the slot to connect the bottom cover to the bracket.

Optionally, the housing further includes: an end cover, and a vent hole is opened on the end cover;

The end cover is detachably connected to the second end surface, and the outer edge of the end cover protrudes from the outer edge of the shell, or the outer edge of the end cover is flush with the outer edge of the shell.

Optionally, the main board is provided with a display screen and control buttons, and the housing is provided with a display opening and a button opening, the display screen is located in the display opening; the control button is located in the button opening.

Beneficial effects: a heat dissipation charging device proposed by the present application, wherein airflow is formed in the heat dissipation air duct by setting a heat dissipation fan, so that the heat generated by the battery inside the casing is blown out to the outside of the casing along with the airflow, and the heat in the casing is Dissipate it in time to avoid the heat from being concentrated in the shell, causing the temperature inside the shell to rise. Moreover, a heat conduction layer is arranged between the main board and the heat dissipation air duct. The heat conduction layer has good thermal conductivity, so that the heat generated by the electronic components on the main board can be conducted through the heat conduction layer, so that the heat reaches the outer wall of the heat dissipation air duct. Therefore, it is taken away by the airflow in the heat dissipation duct, so that the temperature on the motherboard will not be too high, and the heat conduction layer is set up, which can evenly spread the heat on the back of the motherboard, avoid heat concentration, increase the heat dissipation area, and thus strengthen the heat dissipation Effect. Therefore, by setting the heat dissipation fan and the heat conduction layer for heat dissipation and uniform heat conduction, the heat dissipation and charging device can be carried out through the air entering and exiting the housing during the working process, thereby realizing the heat dissipation of the device, the heat dissipation effect is good, and the heat dissipation is avoided. The heat accumulated in the device is too high to cause the device to overheat, thus solving the problem that the electronic components on the main board will be damaged and the performance of the power bank will be degraded if the temperature is too high, and it will not cause the main board to burn and the battery to explode. problem, this device is safer during use.

Description of drawings

FIG. 1 is a schematic structural diagram of a heat dissipation charging device according to an embodiment of the present application;

FIG. 2 is a cross-sectional view of a heat dissipation charging device according to an embodiment of the present application;

FIG. 3 is an exploded view of a heat dissipation charging device according to an embodiment of the present application;

FIG. 4 is an exploded view of a heat dissipation fan connection part of a heat dissipation charging device according to an embodiment of the present application.

Each label in the figure: 100, housing; 110, heat dissipation air duct; 120, air vent; 130, bracket; 131, middle bearing part; 132, first end face; 133, second end face; 140, bottom cover; 141, baffle; 142, fan slot; 143, slot; 150, hook; 151, slot; 160, shell; 161, display opening; 162, button opening; 163, seal; 164, 170, end cover; 200, battery; 300, main board; 310, display screen; 320, control button; 400, heat conduction layer; 500, cooling fan.

detailed description

The present application provides a cooling and charging device. In order to make the purpose, technical solution and effect of the present application clearer and clearer, the present application will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

As shown in Figures 1 and 2, this embodiment proposes a heat dissipation charging device for portable charging, that is, using stored electric energy to charge a mobile terminal. The heat dissipation charging device specifically includes: a housing 100, a battery 200, and a motherboard 300 , a heat conducting layer 400, and a cooling fan 500. As shown in Figure 1, the casing 100 is used as the casing 160 of the device to wrap and protect the internal components. It enters from one end of the cooling air duct 110 and flows out from the other end. The battery 200 is located in the housing 100, and the battery 200 is used to store electric energy and supply power to the outside. The main board 300 is arranged in the casing 100 and is located outside the cooling air duct 110. The main board 300 is electrically connected to the battery 200. The main board 300 is provided with a control circuit, and the charging and discharging of the battery 200 are controlled by the control circuit. The form can adopt the control circuit of a commonly used power bank, which will not be described in detail in this scheme. As shown in FIG. 2 , the heat conduction layer 400 is arranged on the back of the main board 300 and connected to the outer wall of the heat dissipation air duct 110 . The heat conduction layer 400 can conduct heat to the main board 300 , so that the heat of the main board 300 can be evenly distributed and the heat can be exported. The heat dissipation fan 500 is disposed in the casing 100 and located at one end of the heat dissipation air duct 110 , and is electrically connected to the main board 300 . The control circuit on the motherboard 300 can control the opening and closing of the cooling fan 500. For example, a temperature sensor is provided in the casing 100. When the temperature sensor detects that the temperature in the casing 100 reaches a preset temperature (for example, 50 Celsius), the control circuit sends a control signal to start the cooling fan 500 to blow out the heat in time.

As shown in FIG. 2 , in the solution of the present application, the airflow is formed in the heat dissipation air duct 110 by setting the cooling fan 500, so that the heat generated by the battery 200 inside the casing 100 is blown out to the outside of the casing 100 along with the airflow, and the casing The heat in the body 100 is dissipated in time to prevent the heat from being concentrated in the casing 100 and causing the temperature inside the casing 100 to rise. Moreover, a heat conduction layer 400 is arranged between the main board 300 and the heat dissipation air duct 110. The heat conduction layer 400 has good thermal conductivity, so that the heat generated by the electronic components on the main board 300 can be conducted through the heat conduction layer 400, so that the heat reaches the heat dissipation On the outer wall of the air duct 110, it is taken away by the airflow in the cooling air duct 110, so that the temperature on the main board 300 will not be too high, and the heat conduction layer 400 is provided to evenly disperse the heat on the back of the main board 300 to avoid The heat is concentrated and the heat dissipation area is increased, thereby enhancing the heat dissipation effect. Therefore, by setting the heat dissipation fan 500 and the heat conduction layer 400 for heat dissipation and uniform heat conduction, the heat dissipation charging device can take heat out through the air entering and leaving the housing 100 during the working process, thereby realizing heat dissipation of the device, and the heat dissipation effect is good , to avoid the problem that the heat accumulated in the device is too high and cause the device to overheat, thereby solving the problem that the electronic components on the main board 300 will be damaged and the performance of the power bank will be reduced if the temperature is too high, and the main board 300 will not be burned. , Battery 200 explosion and other safety issues, the device is safer during use.

The housing 100 in this embodiment extends along a preset direction for a preset length, and the overall shape of the housing 100 is a long square column. When the housing 100 is placed horizontally, the long side in the horizontal direction is the length direction, and the horizontal The short-side direction in the direction is the width direction, and the vertical direction is the up-down direction. Ventilation holes 120 are respectively opened at both ends of the housing 100 in a predetermined direction (lengthwise direction), and the cooling air duct 110 communicates with the ventilation holes 120 at both ends. Ventilation holes 120 are arranged at both ends of the heat dissipation air duct 110, and the heat dissipation air duct 110 is extended along the length direction, so that the heat dissipation branch has a sufficient length, and the air flows in and out of the relatively long heat dissipation air duct 110, and is connected with the shell The contact area inside the body 100 is enlarged, and more heat is brought out.

As shown in FIG. 2 and FIG. 3 , the battery 200 in this embodiment is arranged in the cooling air duct 110 . There is enough space in the heat dissipation air duct 110 to accommodate the battery 200 , and the air flowing in the heat dissipation air duct 110 can directly dissipate heat to the battery 200 to improve heat dissipation efficiency. Due to the strong heat dissipation capability, the battery 200 can use a battery 200 with a large capacity.

As shown in FIG. 2 and FIG. 3 , the housing 100 in this embodiment specifically includes: a bracket 130 and a bottom cover 140 . The bracket 130 includes an intermediate bearing portion 131, the intermediate bearing portion 131 is extended along the length direction, and a first end surface 132 and a second end surface 133 respectively connected to both ends of the intermediate bearing portion 131, the first end surface 132 and the second end surface 133 are respectively connected to the two ends of the length direction of the intermediate bearing part 131, and the first end face 132 and the second end face 133 are provided with vent holes 120 respectively. Air duct 110 flows out. In order to facilitate the device to charge the battery 200 , a charging port is provided on the housing 100 . The charging port is provided on the first end surface 132 and is electrically connected to the main board 300 through a cable. The bottom cover 140 is connected to the bracket 130, and is located below the middle bearing part 131, and forms a cooling air passage 110 between the middle bearing part 131, and the end of the bottom cover 140 facing the first end surface 132 is provided with a baffle 141, which Vent holes 120 are also opened on the plate 141 . When the bottom cover 140 is connected to the bracket 130, the baffle plate 141 abuts against the inner side of the first end face 132, so that the vent hole 120 on it communicates with the vent hole 120 on the first end face 132, thereby forming an air inlet, In this way, the heat dissipation air duct 110 is conducted. The main board 300 is connected to the middle bearing part 131 by screws, and the heat conduction layer 400 is a heat conduction silicone layer, and is filled between the main board 300 and the middle bearing part 131 . The back of the main board 300 is connected to the upper surface of the middle bearing part 131 through a heat-conducting silicone layer. The heat-conducting glue layer is extended along the length direction to conduct heat, so that the heat is distributed more evenly in the heat-conducting silicone layer and avoids heat concentration. And it can conduct heat quickly, and the heat is taken out by the airflow in time.

As shown in FIG. 2 and FIG. 4 , a fan slot 142 is provided on the side of the bottom cover 140 close to the second end surface 133 in this embodiment, and the cooling fan 500 is embedded in the fan slot 142 . The fan slot 142 is located on the inner side of the bottom cover 140. The side opposite to the baffle plate 141 on the bottom cover 140 is set as an opening. The fan is inserted into the slot 142 , so that the heat dissipation fan 500 can face the heat dissipation air duct 110 , and the heat dissipation fan 500 is activated to generate sufficient heat dissipation air in the heat dissipation air duct 110 . Moreover, the upper end of the cooling fan 500 protrudes from the bottom cover 140 , and extends upward to protrude from the middle bearing part 131 . A part of the cooling fan 500 is located above the middle bearing part 131 , and directly blows air to the upper main board 300 to dissipate heat. In addition, not only a slot for accommodating the cooling fan 500 is provided on the middle supporting portion 131 , but also a ventilation slot can be provided to facilitate air flow.

As shown in Fig. 2 and Fig. 4, the end of the bottom cover 140 away from the baffle plate 141 is provided with a locking groove 143, and the locking groove 143 is used to engage the second end surface 133 of the bracket 130, when the bottom cover 140 When connecting with the bracket 130 , the second end surface 133 is engaged in the locking groove 143 , so as to realize the limitation of the second end surface 133 .

As shown in Fig. 3 and Fig. 4, a hook 150 is provided on the bottom cover 140 in this embodiment, and a slot 151 is provided on the middle bearing part 131. The hook 150 is used to be inserted into the slot 151 so that the bottom The cover 140 is connected to the bracket 130 . The hook 150 is an elastic hook 150 , which will be deformed to a certain extent during the extrusion process, so that it can be inserted into the slot 151 without loosening. In this embodiment, two hooks 150 are provided along the front and rear directions, and two are provided along the left and right directions. Therefore, the stable connection between the bottom cover 140 and the bracket 130 is realized through the four pairs of slots 151 and hooks 150 .

As shown in FIG. 2 and FIG. 3 , the housing 100 in this embodiment further includes a housing 160 , which is sheathed on the outside of the bracket 130 and the bottom cover 140 , and an installation cavity is formed between the housing 160 and the intermediate bearing part 131 . The motherboard 300 is located in the installation cavity. The shell 160 is set in the shape of a long cylinder with both ends open, so that the shell 160 can be moved from the second end face 133 to the first end face 132 to realize the connection with the bracket 130, so that the shell 160 wraps the bottom cover 140 and the bottom of the bracket 130 upper area. The installation cavity can accommodate various components on the main board 300 , and the shell 160 can not only improve the aesthetics of the appearance, but also protect the main board 300 and various components.

The casing 160 in this embodiment is a transparent casing 160 . The transparent shell 160 can see the various structures and components inside the device, which improves the aesthetics and at the same time facilitates the user to observe the components, see the working condition of the cooling fan 500, and know whether the device dissipates heat.

As shown in Fig. 2 and Fig. 4, the housing 100 in this embodiment also includes an end cover 170, which is provided with a vent hole 120, and the vent hole 120 on the end cap 170 is connected to the vent hole 120 on the second end surface 133. The air holes 120 are connected together and serve as air outlets together. The end cover 170 is detachably connected to the second end surface 133 by screws, and the outer edge of the end cover 170 protrudes from the outer edge of the shell 160 , or the outer edge of the end cover 170 is flush with the outer edge of the shell 160 . The second end surface 133 is connected through the end cover 170 , so that the locking groove 143 is pressed against and pressed between the end cover 170 and the second end surface 133 . Moreover, the outer edge of the housing 160 is blocked by the end cover 170, so that the outer cover will not move along the length direction, and the structure of the whole housing 100 is more stable.

As shown in Fig. 1, Fig. 2 and Fig. 3, a display screen 310 and control buttons 320 are arranged on the main board 300 in this embodiment, and a display opening 161 and a button opening 162 are provided on the housing 100, and the display screen 310 is located at Inside the display opening 161 ; the control button 320 is located inside the button opening 162 . A sealing member 163 is sheathed on the inner edge of the display opening 161, and the sealing member 163 abuts against the edge of the display screen 310, so that the display screen 310 is located in the display opening 161 for normal display and plays a dust-proof seal. role. Similarly, the button hole 162 is provided with a connection button 164, which fills the entire button hole 162 and abuts against the internal control button 320, thereby facilitating the user's operation while also achieving sealing and dustproof.

To sum up, the heat dissipation charging device proposed in this application uses a heat dissipation fan 500 to form an airflow in the heat dissipation duct 110 to dissipate heat, and conducts heat evenly through the heat conduction layer 400, so that the heat on the back of the main board 300 is evenly dissipated to avoid heat dissipation. Concentrated; the heat dissipation charging device can take out the heat through the air entering and leaving the housing 100 during the working process, so as to realize the heat dissipation of the device, the heat dissipation effect is good, and the problem of overheating of the device caused by the excessive heat accumulated in the device is avoided , so as to solve the problem that the electronic components on the main board 300 will be damaged and the performance of the power bank will be degraded if the temperature is too high, and it will not cause safety problems such as burning of the main board 300 and explosion of the battery 200. This device is safer during use .

It should be understood that the application of the present application is not limited to the above examples, and those skilled in the art can make improvements or changes based on the above descriptions, and all these improvements and changes should belong to the protection scope of the appended claims of the present application.

Claims (10)

1. A heat dissipation charging device, characterized in that it comprises: a casing, and a heat dissipation air duct is arranged in the casing; a battery located within the housing; a main board, the main board is arranged in the housing and located outside the heat dissipation air duct, and the main board is electrically connected to the battery; A heat conduction layer, the heat conduction layer is arranged on the back of the main board and connected to the outer wall of the heat dissipation air duct; A heat dissipation fan, the heat dissipation fan is arranged in the housing and located at one end of the heat dissipation air duct, and the heat dissipation fan is electrically connected to the main board. 2. The heat dissipation charging device according to claim 1, wherein the casing extends a preset length along a preset direction; Both ends of the housing in a predetermined direction are respectively provided with air holes, and the heat dissipation air duct communicates with the air holes at both ends. 3. The heat dissipation charging device according to claim 2, wherein the battery is arranged in the heat dissipation air duct. 4. The heat dissipation charging device according to claim 3, wherein the housing comprises: a bracket, the bracket includes an intermediate bearing part, and a first end surface and a second end face respectively connected to two ends of the intermediate bearing part. Two end faces, the first end face and the second end face are respectively provided with the ventilation holes; a bottom cover, the bottom cover is connected to the bracket, and is located below the middle bearing part, and forms the heat dissipation air duct with the middle bearing part; The main board is connected to the middle bearing part, and the heat conduction layer is a heat conduction silica gel layer, and is filled between the main board and the middle bearing part. 5. The heat dissipation charging device according to claim 4, characterized in that, the housing further comprises: a casing, the casing is sleeved on the outside of the bracket and the bottom cover; An installation cavity is formed between the shell and the intermediate bearing part, and the main board is located in the installation cavity. 6. The heat dissipation charging device according to claim 5, wherein the casing is a transparent casing. 7. The heat dissipation charging device according to claim 5, wherein a fan card slot is provided on the side of the bottom cover close to the second end face, and the heat dissipation fan is embedded in the fan card in the slot. 8 . The heat dissipation charging device according to claim 7 , wherein a hook is provided on the bottom cover, and a slot is provided on the middle bearing part, and the hook is used to be inserted into the card. In the slot, the bottom cover is connected with the bracket. 9. The heat dissipation charging device according to claim 7, wherein the housing further comprises: an end cover, and a vent hole is opened on the end cover; The end cover is detachably connected to the second end face, and the outer edge of the end cover protrudes from the outer edge of the shell, or the outer edge of the end cover is flush with the outer edge of the shell flat. 10. The heat dissipation charging device according to any one of claims 1-9, wherein a display screen and control buttons are provided on the main board, and display openings and button openings are opened on the housing, and the The display screen is located in the display opening; the control button is located in the button opening.

Images