CN115863841A - Outdoor lithium battery mobile power supply combination structure and use method - Google Patents
Outdoor lithium battery mobile power supply combination structure and use method Download PDFInfo
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- CN115863841A CN115863841A CN202310168694.9A CN202310168694A CN115863841A CN 115863841 A CN115863841 A CN 115863841A CN 202310168694 A CN202310168694 A CN 202310168694A CN 115863841 A CN115863841 A CN 115863841A
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Abstract
The invention discloses an outdoor lithium battery mobile power supply combination structure and a using method thereof, and relates to the technical field of mobile power supplies. In the invention: the first through slot and the first inner inserting groove are inserted with a first metal groove plate, the second through slot and the second inner inserting groove are inserted with a second metal groove plate, the battery pack is positioned between the first metal groove plate and the second metal groove plate, the radiating grooves are formed in the radiating pipes, the communicating grooves communicated with the adjacent radiating grooves are formed in the connecting plate positions, and a plurality of conical grooves penetrating through the pipe walls of the radiating pipes are formed in the upper portion position and the lower portion position of the annular side of each radiating pipe. The inside of the top plate and the bottom plate of the power supply shell are provided with a drainage fan and a plurality of metal strips which are distributed in an annular mode and located on the periphery of the drainage fan, the side face, facing the battery pack, of each metal strip is attached with a heat-conducting silica gel pad, and a filtering sponge box is installed at the position of an air inlet. The invention greatly improves the heat dissipation effect of the outdoor mobile power supply and ensures the dustproof effect of the outdoor mobile power supply.
Description
Technical Field
The invention relates to the technical field of mobile power supplies, in particular to an outdoor lithium battery mobile power supply combination structure and a using method thereof.
Background
When the outdoor mobile power supply is used, because the external environment is mostly severe, for example, dust is more or the temperature is higher, the outdoor mobile power supply needs to have good heat dissipation performance to ensure the normal operation of the mobile power supply, and meanwhile, the outdoor mobile power supply needs to have a good dustproof effect, and the heat dissipation and the dust prevention of the outdoor mobile power supply are two contradictory physical factors.
In order to guarantee the heat dissipation and dustproof effect, some outdoor portable power sources adopt a heat dissipation fin structure, namely, metal heat dissipation fins are embedded into a portable power source shell, the inner side absorbs heat generated inside the portable power source, and the outer side performs large-area heat dissipation. However, although the dustproof effect of the mobile power supply is improved by the heat dissipation in this way, heat transfer can be performed only through the metal heat dissipation fins, and internal heat is conducted to the outside of the power supply shell in a linear manner in a solid manner, so that the heat dissipation effect is not good for a high-power mobile power supply. Therefore, how to greatly improve outdoor portable power source's radiating effect, guarantee outdoor portable power source's dustproof effect simultaneously becomes the problem that needs to solve.
Disclosure of Invention
The invention aims to provide an outdoor lithium battery mobile power supply combination structure and a use method thereof, so that the heat dissipation effect of an outdoor mobile power supply is greatly improved, and meanwhile, the dustproof effect of the outdoor mobile power supply is ensured.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention provides an outdoor lithium battery mobile power supply combination structure which comprises a power supply shell, a battery area and a main board area, wherein the battery area and the main board area are positioned in the power supply shell, a battery pack is installed in the battery area, a PCB (printed circuit board) main board is installed in the main board area, and two first through slots and one second through slot are formed in the top board of the power supply shell. Two first inner slots and one second inner slot are arranged on the inner side of the bottom plate of the power supply shell, the first inner slots are opposite to the first through slots, and the second inner slots are opposite to the second through slots. The first through slot and the first inner inserting groove position are inserted with a first metal groove plate, the second through slot and the second inner inserting groove position are inserted with a second metal groove plate, the battery pack is positioned between the first metal groove plate and the second metal groove plate, the first metal groove plate and the second metal groove plate are provided with a plurality of radiating pipes, a connecting plate is arranged between every two adjacent radiating pipes, the radiating pipes are provided with radiating grooves, the connecting plate position is provided with a communicating groove communicated with the adjacent radiating grooves, the upper part position and the lower part position of each radiating pipe ring side are provided with a plurality of conical grooves communicated with the pipe walls of the radiating pipes. The inner sides of the top plate and the bottom plate of the power supply shell are provided with a drainage fan and a plurality of metal strips which are positioned at the periphery of the drainage fan and distributed in an annular mode, the side face, facing the battery pack, of each metal strip is attached with a heat conduction silica gel pad, and a flow guide area is formed between every two adjacent metal strips. Air inlets are formed in two side plates of the power shell, and a filtering sponge box is arranged at the position of each air inlet.
As a preferred technical feature of the mobile power supply combination structure of the present invention: the positions of the first inner inserting groove and the second inner inserting groove are provided with a plurality of bolt installation through grooves penetrating through the power shell bottom plate, and bottom screw holes are formed in the bottom ends of the radiating pipes of the first metal groove plate and the second metal groove plate.
As a preferred technical feature of the mobile power supply combination structure of the present invention: the number of the radiating pipes of the first metal channel plate is less than that of the radiating pipes of the second metal channel plate.
As a preferable technical feature of the mobile power supply combination structure of the present invention: and a gap is reserved between the two first metal trough plates which are arranged in the power supply shell.
As a preferable technical feature of the mobile power supply combination structure of the present invention: the drainage direction of the drainage fan on the inner side of the top plate of the power supply shell faces the inner wall of the top plate of the power supply shell, and the drainage direction of the drainage fan on the inner side of the bottom plate of the power supply shell faces the inner wall of the power supply shell.
As a preferable technical feature of the mobile power supply combination structure of the present invention: the size of the opening of the tapered groove towards one side of the heat dissipation groove is smaller than that of the opening towards one side of the battery pack.
The invention provides a use method of a mobile power supply combined structure of an outdoor lithium battery, which comprises the following steps:
s1, when the portable power source is used or charged, a temperature sensor inside the portable power source senses and monitors the temperature of a battery pack in real time, and when the temperature of the battery pack is higher than a first temperature value Ta, a drainage fan on the inner side of a top plate and the inner side of a bottom plate of a power source shell is started. S2, external air flow enters the power supply shell from an air inlet of a side plate of the power supply shell, air flow between the inner wall of the side plate of the power supply shell and the inner wall of the battery pack enters areas of a top plate and a bottom plate of the power supply shell, and the negative pressure sucked air flow is blown to the inner side walls of the top plate and the bottom plate of the power supply shell by the drainage fan and is diffused along the flow guide area. Wherein, partial heat of battery package is transmitted to the metal strip through heat conduction silica gel pad, takes away the heat on the metal strip along the air current of water conservancy diversion district diffusion. S3, the first metal groove plate and the second metal groove plate continuously absorb heat inside the power supply shell, and outside airflow sucked by the drainage fan from the negative pressure of the air inlet enters the heat dissipation groove through the conical grooves of the first metal groove plate and the second metal groove plate and is continuously discharged from an opening on the upper side of the heat dissipation groove. And S4, after the mobile power supply stops using or is charged, when the temperature of the battery pack is not higher than a first temperature value Ta, the drainage fans on the inner sides of the top plate and the bottom plate of the power supply shell are closed.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the power supply shell is provided with the first through slot, the first inner inserting slot, the second through slot and the second inner slot, the first metal groove plate and the second metal groove plate are arranged at the two sides of the battery pack, meanwhile, the drainage fans are arranged at the inner sides of the top plate and the bottom plate of the power supply shell to suck outside air flow in a negative pressure manner, so that the heat air flow at the side of the ring of the battery pack is driven to move and is guided to the flow guiding area, the first metal groove plate and the second metal groove plate not only can continuously absorb heat generated in the power supply shell, but also the air flow guided by the drainage fans can discharge the heat in the power supply shell and the heat absorbed by the first metal groove plate and the second metal groove plate to the outside through the tapered slots, so that the heat dissipation efficiency is improved.
2. According to the invention, the air inlet is formed in the side plate of the power supply shell, and the filter sponge box for replacing and cleaning the shell is arranged, so that external dust and impurities are prevented from entering the power supply shell during air inlet, and meanwhile, the sizes of the openings of the conical grooves, which face the radiating grooves, formed in the upper positions and the lower positions of the annular sides of the first metal groove plate and the second metal groove plate are smaller, so that the dust entering the power supply shell in a static state (when the drainage fan is not started) is greatly reduced.
3. After the mobile power supply is used outdoors for a long time, when dust is accumulated in the heat dissipation grooves of the first metal groove plate and the second metal groove plate and the connecting plate groove, the mobile power supply can be conveniently detached from the power supply shell for cleaning and then installed on the power supply shell again, and the heat dissipation structure is good in use effect and convenient to maintain.
Drawings
Fig. 1 is a schematic view of airflow circulation in the mobile power supply assembly structure of the present invention.
Fig. 2 is a schematic diagram of a part of the components of the mobile power supply assembly structure of the present invention.
Fig. 3 is a schematic diagram of a top view of the mobile power supply of the invention.
Fig. 4 is a schematic view of a top plate (when the first metal trough plate and the second metal trough plate are taken out) of the portable power source of the present invention in a top view.
Fig. 5 is a schematic view of the bottom of the portable power source (when no bolt is installed in the bolt installation through groove) according to the present invention.
Fig. 6 is a schematic view (in vertical section) of a first metal channel plate according to the invention.
Fig. 7 is a schematic structural view of a first metal channel plate according to the present invention.
Fig. 8 is a bottom schematic view of the first metal trough plate of fig. 7.
Wherein: 1-power shell, 101-battery area, 102-main board area, 103 a-first through slot, 103 b-second through slot, 104 a-first inner slot, 104 b-second inner slot, 105-bolt installation through slot, 106-fan area, 107-drainage fan, 108-metal strip, 109-heat-conducting silica gel pad, 110-drainage area, 111-air inlet, 112-filtering sponge box; 2-a PCB mainboard; 3-a battery pack; 4 a-first metal groove plate, 4 b-second metal groove plate, 401-radiating pipe, 402-connecting plate, 403-radiating groove, 404-connecting groove, 405-conical groove and 406-bottom screw hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The first embodiment of the invention relates to a mobile power supply combination structure, which mainly comprises the following contents:
referring to fig. 1 and 2, the mobile power supply includes a power supply housing 1, a battery area 101 and a main board area 102 are disposed inside the power supply housing 1, a battery pack 3 is installed in the battery area 101, and a PCB main board 2 is installed in the main board area 102. The inside of the top plate and the bottom plate of the power supply case 1 are provided with a flow guiding fan 107. The drainage direction of the drainage fan 107 at the inner side of the top plate of the power supply shell 1 faces the inner wall of the top plate of the power supply shell 1, namely the drainage fan 107 at the side of the top plate "blows air" towards the inner wall of the top plate. The drainage direction of the drainage fan 107 on the inner side of the bottom plate of the power supply shell 1 faces the inner wall of the power supply shell 1, namely the drainage fan 107 on the side of the bottom plate "blows air" towards the inner wall of the bottom plate.
Referring to fig. 2, two first through slots 103a and one second through slot 103b are formed in the top plate of the power supply housing 1. Two first inner inserting grooves 104a and one second inner inserting groove 104b are formed in the inner side of the bottom plate of the power supply case 1, each first inner inserting groove 104a is directly above one first through slot 103a and directly faces one first inner inserting groove 104a, and each second inner inserting groove 104b is directly above one second through slot 103b. A plurality of bolt installation through grooves 105 are formed in the positions of the first inner insertion groove 104a and the second inner insertion groove 104b (a plurality of bolt installation through grooves 105 are formed in the position of the second inner insertion groove 104 b), the bolt installation through grooves 105 penetrate through the bottom plate of the power supply shell 1, and bottom screw holes 406 are formed in the bottom ends of the heat dissipation pipes 401 of the first metal groove plate 4a and the second metal groove plate 4 b. (referring to fig. 1), the first metal slot plate 4a is inserted into the first through slot 103a and the first inner insertion slot 104a, the second metal slot plate 4b is inserted into the second through slot 103b and the second inner insertion slot 104b (the battery pack 3 is located between the first metal slot plate 4a and the second metal slot plate 4 b), and then bolts are installed in the through slot 105 and the bottom screw hole 406 of the bolt installation at the same position, so as to complete the installation and fixation of the heat dissipation pipe 401.
Referring to fig. 1, 2 and 3, air inlets 111 are formed on both side plates of the power supply housing 1, a filtering sponge box 112 is installed at the position of the air inlet 111, and when external air enters the power supply housing 1 from the air inlet 111, dust and impurities are filtered by sponge in the filtering sponge box 112.
Referring to fig. 1 and 3, the first metal trough plate 4a is located between the battery pack 3 and the PCB main board 2, and a gap is left between the two first metal trough plates 4a, so that the electrical wires between the battery pack 3 and the PCB main board 2 can be conveniently installed and connected. In addition, the number of the radiating pipes 401 of the first metal channel plate 4a is less than that of the radiating pipes 401 of the second metal channel plate 4b (as can be directly seen from fig. 3, the number of the radiating pipes 401 of a single first metal channel plate 4a is three, and the number of the radiating pipes 401 of the second metal channel plate 4b is seven).
Referring to fig. 3, 4 and 5, a plurality of metal strips 108 distributed in a ring shape are disposed on the inner sides of the top plate and the bottom plate of the power supply housing 1 and located at the periphery of the drainage fan 107, each metal strip 108 is attached to a heat-conducting silica gel pad 109, the metal strips 108 conduct heat with the battery pack 3 through the heat-conducting silica gel pads 109, and the heat of the battery pack 3 is transferred to the metal strips 108. A flow guiding area 110 is formed between the adjacent metal strips 108, a plurality of metal strips 108 on the top plate and the bottom plate of the power supply shell 1 surround and form a fan area 106, a flow guiding fan 107 is installed in the fan area 106, and the flow guiding fan 107 "attracts" hot air flow, blows towards the inner wall of the top plate or the bottom plate and "spreads" along the inner wall towards the periphery. Referring to fig. 1 and 2, the heat conducting silicone rubber pad 109 transfers heat generated by the battery pack 3 to the metal strip 108, and the heat is taken away by the airflow in the flow guiding area 110, the hot air moves towards the first metal slot plate 4a and the second metal slot plate 4b, and the first metal slot plate 4a and the second metal slot plate 4b absorb heat in the hot airflow.
Referring to fig. 6, the opening of the tapered groove 405 toward the heat sink 403 is smaller than the opening toward the battery pack 3. With reference to fig. 1, such a structural design also effectively prevents external dust, impurities, etc. from entering the internal space of the power supply housing 1 under the condition of ensuring the internal heat dissipation of the power supply housing 1, and if a certain amount of dust deposits occur in the heat dissipation groove 403 and the communication groove 404, the first metal groove plate 4a and the second metal groove plate 4b can be detached and washed, and then the power supply housing 1 is re-installed after drying.
Referring to fig. 7 and 8, the first metal slot plate 4a and the second metal slot plate 4b (see fig. 1) are respectively provided with a plurality of heat dissipation pipes 401, the connecting plate 402 is located between adjacent heat dissipation pipes 401, the heat dissipation pipes 401 are provided with heat dissipation grooves 403, the connecting plate 402 is provided with communication grooves 404 for communicating with the adjacent heat dissipation grooves 403, and the upper portion and the lower portion of the ring side of each heat dissipation pipe 401 are provided with a plurality of tapered grooves 405 penetrating the pipe wall of the heat dissipation pipe 401. Referring to fig. 1, the tapered groove 405 connects the inside of the power supply housing 1 and the heat dissipation grooves 403 of the heat dissipation pipe 401, and after the air-guiding fans 107 on the inner sides of the top plate and the bottom plate of the power supply housing 1 are activated, hot air can enter the tapered groove 405 and the heat dissipation grooves 403 from the inside of the power supply housing 1.
The embodiment II relates to a using method of an outdoor lithium battery mobile power supply combined structure, which mainly comprises the following steps:
link one, portable power source begins to use or when charging, the inside temperature sensor real-time sensing of portable power source monitors 3 temperatures of battery package, and when 3 temperatures of battery package were higher than first temperature value Ta (first temperature value Ta is the temperature value that PCB mainboard 2 predetermines, can regard as the radiating minimum temperature value of needs, for example 55 ℃, 60 ℃, 65 ℃ etc.), the inboard drainage fan 107 of power shell 1 roof, bottom plate starts.
In the second link, with reference to fig. 1 and 2, under the negative pressure action of the drainage fan 107, the external air flow enters the power supply casing 1 from the air inlet 111 of the side plate of the power supply casing 1, the air flow between the inner wall of the side plate of the power supply casing 1 and the inner wall of the battery pack 3 enters the top plate and the bottom plate area of the power supply casing 1, and the drainage fan 107 blows the air flow sucked by the negative pressure to the inner side walls of the top plate and the bottom plate of the power supply casing 1 and diffuses along the drainage area 110. Part of the heat of the battery pack 3 is transferred to the metal strip 108 through the heat-conducting silicone pad 109, and the heat on the metal strip 108 is taken away by the airflow diffused along the flow-guiding area 110.
In a third step, referring to fig. 1, the first metal groove plate 4a and the second metal groove plate 4b continuously absorb heat inside the power supply housing 1, and the external air flow sucked by the negative pressure of the air inlet 111 by the drainage fan 107 enters the heat dissipation groove 403 through the tapered grooves 405 of the first metal groove plate 4a and the second metal groove plate 4b and is continuously discharged from the upper opening of the heat dissipation groove 403, so that the heat on the first metal groove plate 4a and the second metal groove plate 4b can be discharged to the outside, and the heat absorption and heat dissipation efficiency of the first metal groove plate 4a and the second metal groove plate 4b is ensured.
And in the fourth step, after the mobile power supply stops using or is disconnected for charging, the temperature of the battery pack 3 begins to decrease, and when the temperature of the battery pack 3 is not higher than the first temperature value Ta, the drainage fans 107 on the inner sides of the top plate and the bottom plate of the power supply shell 1 are closed.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides an outdoor lithium cell portable power source integrated configuration, includes power shell (1), is located inside battery district (101), mainboard district (102) of power shell (1), installs battery package (3) in battery district (101), installs PCB mainboard (2) in mainboard district (102), its characterized in that:
the top plate of the power supply shell (1) is provided with two first through slots (103 a) and one second through slot (103 b);
two first inner slots (104 a) and one second inner slot (104 b) are formed in the inner side of the bottom plate of the power supply shell (1), the first inner slot (104 a) is opposite to the first through slot (103 a), and the second inner slot (104 b) is opposite to the second through slot (103 b);
a first metal groove plate (4 a) is inserted at the positions of the first through slot (103 a) and the first inner slot (104 a), a second metal groove plate (4 b) is inserted at the positions of the second through slot (103 b) and the second inner slot (104 b), the battery pack (3) is positioned between the first metal groove plate (4 a) and the second metal groove plate (4 b), a plurality of radiating pipes (401) are arranged on the first metal groove plate (4 a) and the second metal groove plate (4 b), a connecting plate (402) is arranged between adjacent radiating pipes (401), radiating grooves (403) are formed in the radiating pipes (401), communicating grooves (404) communicating with adjacent radiating grooves (403) are formed at the position of the connecting plate (402), and a plurality of conical grooves (405) which are communicated with the pipe walls of the radiating pipes (401) are formed in the upper position and the lower position of the ring side of each radiating pipe (401);
the inner sides of the top plate and the bottom plate of the power supply shell (1) are both provided with a drainage fan (107) and a plurality of metal strips (108) which are annularly distributed and positioned on the periphery of the drainage fan (107), the side surface of each metal strip (108) facing the battery pack (3) is attached with a heat-conducting silica gel pad (109), and a flow-guiding area (110) is formed between every two adjacent metal strips (108);
air inlets (111) are formed in two side plates of the power supply shell (1), and a filtering sponge box (112) is installed at the position of each air inlet (111).
2. An outdoor lithium battery mobile power supply combination structure as claimed in claim 1, wherein:
a plurality of bolt installation through grooves (105) penetrating through a bottom plate of the power shell (1) are formed in the positions of the first inner slot (104 a) and the second inner slot (104 b), and bottom screw holes (406) are formed in the bottom ends of the radiating pipes (401) of the first metal groove plate (4 a) and the second metal groove plate (4 b).
3. The combination structure of the outdoor lithium battery mobile power supply of claim 1, characterized in that:
the number of the radiating pipes (401) of the first metal slot plate (4 a) is less than that of the radiating pipes (401) of the second metal slot plate (4 b).
4. The combination structure of the outdoor lithium battery mobile power supply of claim 1, characterized in that:
a gap is left between the two first metal groove plates (4 a) arranged in the power supply shell (1).
5. The combination structure of the outdoor lithium battery mobile power supply of claim 1, characterized in that:
the drainage direction of a drainage fan (107) on the inner side of the top plate of the power supply shell (1) faces towards the inner wall of the top plate of the power supply shell (1), and the drainage direction of the drainage fan (107) on the inner side of the bottom plate of the power supply shell (1) faces towards the inner wall of the power supply shell (1).
6. The combination structure of the outdoor lithium battery mobile power supply of claim 1, characterized in that:
the opening size of the tapered groove (405) on the side facing the heat dissipation groove (403) is smaller than the opening size of the tapered groove on the side facing the battery pack (3).
7. An application method of an outdoor lithium battery mobile power supply combination structure is characterized in that the outdoor lithium battery mobile power supply combination structure of any one of claims 1 to 6 is adopted, and the application method comprises the following steps:
s1, when the portable power source is used or charged, a temperature sensor inside the portable power source senses and monitors the temperature of a battery pack (3) in real time, and when the temperature of the battery pack (3) is higher than a first temperature value Ta, drainage fans (107) on the inner sides of a top plate and a bottom plate of a power source shell (1) are started;
s2, external air flow enters the power supply shell (1) from an air inlet (111) of a side plate of the power supply shell (1), air flow between the inner wall of the side plate of the power supply shell (1) and the inner wall of the battery pack (3) enters the areas of a top plate and a bottom plate of the power supply shell (1), and a drainage fan (107) blows the air flow sucked by negative pressure to the inner side walls of the top plate and the bottom plate of the power supply shell (1) and diffuses along a drainage area (110);
part of heat of the battery pack (3) is transferred to the metal strips (108) through the heat-conducting silica gel pads (109), and the heat on the metal strips (108) is taken away by air flow diffused along the flow-guiding areas (110);
s3, the first metal groove plate (4 a) and the second metal groove plate (4 b) continuously absorb heat inside the power supply shell (1), and outside air sucked by the drainage fan (107) from the air inlet (111) through negative pressure enters the heat dissipation groove (403) through the tapered grooves (405) of the first metal groove plate (4 a) and the second metal groove plate (4 b) and is continuously discharged from an opening on the upper side of the heat dissipation groove (403);
and S4, after the portable power source stops using or is charged, when the temperature of the battery pack (3) is not higher than a first temperature value Ta, the drainage fans (107) on the inner sides of the top plate and the bottom plate of the power source shell (1) are closed.
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