CN115863841B - Outdoor lithium battery mobile power supply combined structure and use method - Google Patents
Outdoor lithium battery mobile power supply combined structure and use method Download PDFInfo
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- CN115863841B CN115863841B CN202310168694.9A CN202310168694A CN115863841B CN 115863841 B CN115863841 B CN 115863841B CN 202310168694 A CN202310168694 A CN 202310168694A CN 115863841 B CN115863841 B CN 115863841B
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Abstract
The invention discloses an outdoor lithium battery mobile power supply combined structure and a use method thereof, and relates to the technical field of mobile power supplies. In the invention, the following components are added: the battery pack is located between the first metal groove plate and the second metal groove plate, the radiating grooves are formed in the radiating pipes, the communicating grooves for communicating the adjacent radiating grooves are formed in the connecting plate positions, and a plurality of conical grooves which are communicated with the pipe walls of the radiating pipes are formed in the upper position and the lower position of each radiating pipe ring side. The inner sides of the top plate and the bottom plate of the power supply shell are respectively provided with a drainage fan and a plurality of annularly distributed metal strips positioned at the periphery of the drainage fans, the side surface of each metal strip, facing the battery pack, is respectively attached with a heat-conducting silica gel pad, and a filtering sponge box is arranged at the position of the air inlet. The invention greatly improves the heat radiation effect of the outdoor mobile power supply and simultaneously 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 combined structure and a using method thereof.
Background
When the outdoor mobile power supply is used, as the external environment is in a severe state, such as more dust or higher temperature, the outdoor mobile power supply is required to have good heat dissipation performance, normal operation of the mobile power supply is ensured, and meanwhile, the outdoor mobile power supply also has a good dustproof effect, and heat dissipation and dust prevention of the outdoor mobile power supply are two physical factors which are contradictory.
In order to ensure the heat dissipation and dust prevention effects, some outdoor mobile power supplies adopt a heat dissipation fin structure, namely, metal heat dissipation fins are embedded in a mobile power supply shell, the inner side absorbs heat generated in the mobile power supply, and the outer side carries out 'large-area' heat dissipation. However, this way of heat dissipation improves the dust-proof effect of the mobile power supply, but only the heat transfer can be performed by the metal heat dissipation fins, and the internal heat is conducted to the outside of the power supply housing in a solid manner in a linear manner, so that the heat dissipation effect is poor for the high-power mobile power supply. Therefore, how to greatly improve the heat dissipation effect of the outdoor mobile power supply and ensure the dust-proof effect of the outdoor mobile power supply at the same time becomes a problem to be solved.
Disclosure of Invention
The invention aims to solve the technical problem of providing an outdoor lithium battery mobile power supply combined structure and a use method thereof, so that the radiating effect of the outdoor mobile power supply is greatly improved, and 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 combined 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 arranged in the power supply shell, a battery pack is arranged in the battery area, a PCB main board is arranged in the main board area, and two first through slots and one second through slot are formed in the top plate of the power supply shell. Two first inner slots and one second inner slot are formed in the inner side of the power supply shell bottom plate, the first inner slot is opposite to the first through slot, and the second inner slot is opposite to the second through slot. 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 both provided with a plurality of radiating pipes, a connecting plate is arranged between the adjacent radiating pipes, the radiating pipes are provided with radiating grooves, the connecting plate is provided with communicating grooves for communicating the adjacent radiating grooves, and a plurality of conical grooves which are communicated with the pipe walls of the radiating pipes are formed in the upper position and the lower position of the ring side of each radiating pipe. The inner sides of the top plate and the bottom plate of the power supply shell are respectively provided with a drainage fan and a plurality of annularly distributed metal strips positioned at the periphery of the drainage fans, the side surface of each metal strip, facing the battery pack, is respectively attached with a heat-conducting silica gel pad, and a diversion area is formed between every two adjacent metal strips. Air inlets are formed in two side plates of the power supply shell, and a filtering sponge box is arranged at the position of each air inlet.
As a preferable technical feature of the mobile power supply combination structure of the invention: a plurality of bolt installation through grooves penetrating through the bottom plate of the power supply shell are formed in the positions of the first inner slot and the second inner slot, and bottom screw holes are formed in the bottoms of the radiating pipes of the first metal slot plate and the second metal slot plate.
As a preferable technical feature of the mobile power supply combination structure of the invention: the number of radiating pipes of the first metal groove plate is smaller than that of radiating pipes of the second metal groove plate.
As a preferable technical feature of the mobile power supply combination structure of the invention: a gap is reserved between two first metal groove plates arranged in the power supply shell.
As a preferable technical feature of the mobile power supply combination structure of the 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 invention: the opening size of the conical groove facing to the side of the heat dissipation groove is smaller than the opening size of the conical groove facing to the side of the battery pack.
The invention provides a use method of an outdoor lithium battery mobile power supply combined structure, which comprises the following steps:
s1, when the mobile power supply is used or charged, a temperature sensor in the mobile power supply senses and monitors the temperature of the 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 sides of a top plate and a bottom plate of the power supply shell is started. S2, outside air flow enters the power supply shell from an air inlet of the 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 the top plate and the bottom plate area of the power supply shell, and the drainage fan blows air flow sucked by negative pressure to the inner side walls of the top plate and the bottom plate of the power supply shell and diffuses along the diversion area. And part of heat of the battery pack is transferred to the metal strip through the heat-conducting silica gel pad, and the heat on the metal strip is taken away along the airflow diffused in the flow guiding area. S3, the first metal groove plate and the second metal groove plate continuously absorb heat in the power supply shell, and external airflow sucked by the drainage fan from the air inlet under negative pressure 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 the upper opening of the heat dissipation groove. S4, after the mobile power supply stops using or charging, 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 turned off.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the first through slot, the first inner slot, the second through slot and the second inner slot are formed in the power supply shell, the first metal slot plate and the second metal slot plate are arranged at 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 external airflow in negative pressure, the hot airflow at the ring side of the battery pack is driven to move and guide the hot airflow to the diversion area, the first metal slot plate and the second metal slot plate can continuously absorb heat generated in the power supply shell, and meanwhile, 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 slot plate and the second metal slot plate to the outside through the conical slot, 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, the shell replacement and cleaning filtering sponge box is configured, so that external dust and impurities are prevented from entering the power supply shell during air inlet, and meanwhile, the conical grooves formed in the upper part and the lower part of the ring sides of the first metal groove plate and the second metal groove plate are smaller in opening size towards the heat dissipation groove, so that 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 accumulation occurs in the heat dissipation grooves and the connecting plate grooves of the first metal groove plate and the second metal groove plate, the mobile power supply can be conveniently detached from the power supply shell for cleaning and then is re-installed on the power supply shell, 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 a portable power source assembly according to the present invention.
Fig. 2 is a schematic diagram of a part of elements of a mobile power supply assembly structure according to the present invention.
Fig. 3 is a schematic diagram of a top view of the top plate of the portable power source of the present invention.
Fig. 4 is a schematic diagram of a top view of the top plate (when the first metal groove plate and the second metal groove plate are taken out) of the portable power source according to the present invention.
Fig. 5 is a schematic view of the bottom plate of the portable power source of the present invention in a bottom view (when the bolts are not mounted in the bolt mounting through grooves).
Fig. 6 is a schematic view (vertical cross section) of a first metal trough plate according to the invention.
Fig. 7 is a schematic structural view of a first metal trough plate according to the present invention.
Fig. 8 is a bottom view of the first metal trough plate of fig. 7.
Wherein: 1-a power source shell, 101-a battery area, 102-a main board area, 103 a-a first through slot, 103 b-a second through slot, 104 a-a first inner slot, 104 b-a second inner slot, 105-a bolt mounting through slot, 106-a wind sector, 107-a drainage fan, 108-a metal strip, 109-a heat conducting silica gel pad, 110-a guiding area, 111-an air inlet and 112-a filtering sponge box; 2-a PCB motherboard; 3-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
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The main content of the mobile power supply combination structure of the first embodiment of the invention is as follows:
referring to fig. 1 and 2, the portable power source includes a power source housing 1, a battery area 101 and a motherboard area 102 are disposed in the power source housing 1, a battery pack 3 is mounted in the battery area 101, and a PCB motherboard 2 is mounted in the motherboard area 102. The top plate and the bottom plate of the power supply shell 1 are both provided with a drainage fan 107. The drainage direction of the drainage fan 107 on the inner side of the top plate of the power supply housing 1 is toward the inner wall of the top plate of the power supply housing 1, that is, the drainage fan 107 on the top plate side is "blown" toward 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 housing 1 is toward the inner wall of the power supply housing 1, that is, the drainage fan 107 on the bottom plate side is "blown" toward the inner wall of the bottom plate.
Referring to fig. 2, the top plate of the power source housing 1 is provided with two first through slots 103a and one second through slot 103b. Two first interpolation slots 104a and one second interpolation slot 104b are formed in the inner side of the bottom plate of the power supply shell 1, and the right upper side of each first through slot 103a faces one first interpolation slot 104a, and the second interpolation slot 104b faces the second through slot 103b. A plurality of bolt mounting through grooves 105 are formed in the first inner inserting groove 104a and the second inner inserting groove 104b (more bolt mounting through grooves 105 are formed in the second inner inserting groove 104 b), the bolt mounting 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 radiating pipes 401 of the first metal groove plate 4a and the second metal groove plate 4 b. (referring to fig. 1), the first metal groove plate 4a is inserted into the first through slot 103a and the first insertion slot 104a, the second metal groove plate 4b is inserted into the second through slot 103b and the second insertion slot 104b (the battery pack 3 is located between the first metal groove plate 4a and the second metal groove plate 4 b), and then the bolts are mounted in the through slots 105 and the bottom screw holes 406 at the same position, thereby completing the mounting and fixing of the radiating pipe 401.
Referring to fig. 1, 2 and 3, both side plates of a power source housing 1 are provided with air inlets 111, a filtering sponge box 112 is installed at the position of the air inlet 111, and when external air flows into the power source housing 1 from the air inlets 111, dust and impurities are filtered by sponge in the filtering sponge box 112.
Referring to fig. 1 and 3, the first metal groove plates 4a are located between the battery pack 3 and the PCB main board 2, and a gap is left between the two first metal groove plates 4a, so that the battery pack 3 and the PCB main board 2 can be conveniently connected by installing electrical wires. In addition, the number of radiating pipes 401 of the first metal slot plate 4a is smaller than the number of radiating pipes 401 of the second metal slot plate 4b (it can be seen directly from fig. 3 that the number of radiating pipes 401 of a single first metal slot plate 4a is three, and the number of radiating pipes 401 of the second metal slot plate 4b is seven).
Referring to fig. 3, 4 and 5, a plurality of metal strips 108 are disposed on the inner sides of the top plate and the bottom plate of the power supply housing 1 and are located on the periphery of the drainage fan 107, each metal strip 108 is attached with a heat-conducting silica gel pad 109, the metal strips 108 conduct heat with the battery pack 3 through the heat-conducting silica gel pad 109, and heat of the battery pack 3 is transferred to the metal strips 108. A diversion area 110 is formed between the adjacent metal strips 108, a fan area 106 is formed by surrounding the metal strips 108 on the top plate and the bottom plate of the power supply shell 1, the diversion fan 107 is arranged on the fan area 106, and the diversion fan 107 'attracts' the hot air flow, blows to the inner wall of the top plate or the bottom plate and 'spreads' all around along the inner wall. Referring to fig. 1 and 2, the heat-conducting silica gel pad 109 transfers heat generated by the battery pack 3 to the metal strips 108, and takes away the heat by the air flow of the flow guiding area 110, and the hot air flows to the first metal groove plate 4a and the second metal groove plate 4b to move, so that the first metal groove plate 4a and the second metal groove plate 4b absorb the heat in the hot air flow.
Referring to fig. 6, the opening size of the tapered groove 405 toward the heat sink 403 is smaller than the opening size toward the battery pack 3. With reference to fig. 1, such a structural design also effectively prevents external dust, impurities and the like 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 certain dust accumulation occurs 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, washed and then reinstalled in the power supply housing 1 after drying.
Referring to fig. 7 and 8, the first metal slot plate 4a and the second metal slot plate 4b (refer to fig. 1) are respectively provided with a plurality of heat dissipation tubes 401, the connecting plate 402 is positioned between adjacent heat dissipation tubes 401, the heat dissipation tubes 401 are provided with heat dissipation slots 403, the connecting plate 402 is provided with a communication slot 404 for communicating with the adjacent heat dissipation slots 403, and a plurality of tapered slots 405 penetrating through the walls of the heat dissipation tubes 401 are provided at the upper and lower positions of the annular sides of each heat dissipation tube 401. Referring to fig. 1, the tapered groove 405 connects the inside of the power supply case 1 with the heat radiation groove 403 of the heat radiation pipe 401, and after the drainage fans 107 on the top and bottom boards of the power supply case 1 are started, the hot air flow can enter the tapered groove 405 and the heat radiation groove 403 from the inside of the power supply case 1.
The second embodiment of the invention relates to a use method of an outdoor lithium battery mobile power supply combined structure, which mainly comprises the following steps:
in the first step, when the mobile power supply starts to be used or charged, the temperature sensor inside the mobile power supply senses and monitors the temperature of the battery pack 3 in real time, and when the temperature of the battery pack 3 is higher than a first temperature value Ta (the first temperature value Ta is a preset temperature value of the PCB main board 2 and can be considered as the lowest temperature value requiring heat dissipation, for example, 55 ℃, 60 ℃, 65 ℃ and the like), the drainage fans 107 inside the top plate and the bottom plate of the power supply shell 1 are started.
Step two, in combination with fig. 1 and 2, under the negative pressure action of the drainage fan 107, external air flows enter the power supply shell 1 from the air inlet 111 of the side plate of the power supply shell 1, and air flows between the inner wall of the side plate of the power supply shell 1 and the inner wall of the battery pack 3 enter the top plate and the bottom plate area of the power supply shell 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 shell 1 and diffuses along the diversion area 110. Wherein, part of the heat of the battery pack 3 is transferred to the metal strip 108 through the heat-conducting silica gel pad 109, and the air flow diffused along the flow guiding area 110 takes away the heat on the metal strip 108.
In the third step, referring to fig. 1, the first metal slot plate 4a and the second metal slot plate 4b continuously absorb heat in the power supply casing 1, and external air flow sucked by the drainage fan 107 from the air inlet 111 under negative pressure enters the heat dissipation slot 403 through the tapered slots 405 of the first metal slot plate 4a and the second metal slot plate 4b and is continuously discharged from the upper opening of the heat dissipation slot 403, so that heat on the first metal slot plate 4a and the second metal slot plate 4b can be discharged to the outside, and heat absorption and heat dissipation efficiency of the first metal slot plate 4a and the second metal slot plate 4b are ensured.
And in the fourth step, after the mobile power supply stops using or is charged in a disconnected mode, the temperature of the battery pack 3 begins to drop, 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 turned off.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (7)
1. The utility model provides an outdoor lithium cell portable power source integrated configuration, includes power source shell (1), is located battery district (101) and mainboard district (102) of power source shell (1) inside, 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 slots (104 a) are opposite to the first through slots (103 a), and the second inner slots (104 b) are opposite to the second through slots (103 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) which are communicated with the adjacent radiating grooves (403) are formed in 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 annular side of each radiating pipe (401);
the inner sides of a top plate and a bottom plate of the power supply shell (1) are respectively provided with a drainage fan (107) and a plurality of annularly-distributed metal strips (108) positioned at the periphery of the drainage fans (107), the side surface of each metal strip (108) facing the battery pack (3) is adhered 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 arranged at the position of each air inlet (111).
2. The outdoor lithium battery mobile power supply combination structure according to claim 1, wherein:
the first inner slot (104 a) and the second inner slot (104 b) are provided with a plurality of bolt mounting through slots (105) penetrating through the bottom plate of the power supply shell (1), and bottom screw holes (406) are formed in the bottoms of the radiating pipes (401) of the first metal slot plate (4 a) and the second metal slot plate (4 b).
3. The outdoor lithium battery mobile power supply combination structure according to claim 1, wherein:
the number of radiating pipes (401) of the first metal groove plate (4 a) is smaller than the number of radiating pipes (401) of the second metal groove plate (4 b).
4. The outdoor lithium battery mobile power supply combination structure according to claim 1, wherein:
a gap is reserved between two first metal groove plates (4 a) arranged in the power supply shell (1).
5. The outdoor lithium battery mobile power supply combination structure according to claim 1, wherein:
the drainage direction of the drainage fan (107) on 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), and 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).
6. The outdoor lithium battery mobile power supply combination structure according to claim 1, wherein:
the opening size of the conical groove (405) facing the side of the heat dissipation groove (403) is smaller than the opening size of the conical groove facing the side of the battery pack (3).
7. A method for using an outdoor lithium battery mobile power supply combination structure, which is characterized in that the outdoor lithium battery mobile power supply combination structure according to any one of claims 1 to 6 is adopted, and the method comprises the following steps:
s1, when a mobile power supply is used or charged, a temperature sensor in the mobile power supply 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, a drainage fan (107) on the inner sides of a top plate and a bottom plate of a power supply shell (1) is 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 top plate and bottom plate areas of the power supply shell (1), and the 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 the diversion area (110);
part of heat of the battery pack (3) is transferred to the metal strip (108) through the heat-conducting silica gel pad (109), and the heat on the metal strip (108) is taken away along the airflow diffused by the flow guiding area (110);
s3, continuously absorbing heat in the power supply shell (1) by the first metal groove plate (4 a) and the second metal groove plate (4 b), enabling external airflow sucked by the drainage fan (107) from the air inlet (111) through negative pressure to enter the heat dissipation groove (403) through the conical grooves (405) of the first metal groove plate (4 a) and the second metal groove plate (4 b) and continuously discharging from the upper opening of the heat dissipation groove (403);
s4, after the mobile power supply is stopped to be used or 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 supply shell (1) are turned off.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9748548B2 (en) * | 2013-07-30 | 2017-08-29 | Johnson Controls Technology Company | Pouch frame with integral circuitry for battery module |
| DE102015202602A1 (en) * | 2015-02-12 | 2016-08-18 | Heliocentris Industry GmbH | Battery cabinet with baffle arrangement, baffle arrangement for a battery cabinet and method for operating a battery cabinet |
| CN207199802U (en) * | 2017-09-13 | 2018-04-06 | 湖北文理学院 | A kind of lithium ion power battery used for electromobile case energy saving radiator |
| CN208723047U (en) * | 2018-09-17 | 2019-04-09 | 太仓市华盈电子材料有限公司上海分公司 | The automobile batteries packet of fan and air hose water conservancy diversion is utilized in a kind of confined space |
| CN217881659U (en) * | 2022-07-29 | 2022-11-22 | 松果新能源汽车有限公司 | New forms of energy electric motor car battery heat radiation structure |
| CN115632196B (en) * | 2022-12-07 | 2023-02-28 | 南京莱迪新能源科技有限公司 | Series-parallel connection frame structure of lithium battery pack in mobile power supply and heat extraction method |
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