Mobile power supply protection device

Abstract

The utility model discloses a mobile power supply protection device, which relates to the technical field of mobile power supplies, and comprises a protection box body and a protection box cover, the protection box cover is arranged at the top of the protection box body, the protection box cover and the protection box body are detachably connected through a pair of locking pieces, an installation cavity is arranged in the protection box body, and an insertion port is arranged at the lower end of the protection box body. An insertion opening is formed in the protection box body, the insertion opening is communicated with the mounting cavity, a ventilation plate is arranged in the mounting cavity, divides the mounting cavity into an upper cavity and a lower cavity, is arranged above the insertion opening and is provided with a plurality of air flowing openings, ventilation windows are formed in the two sides of the protection box body, and a partition plate is arranged in the upper cavity; a partition plate is arranged in the upper cavity, the partition plate divides the upper cavity into two containing cavities, the containing cavities are used for containing the mobile power source, a heat dissipation assembly is arranged in the lower cavity, and the problem that when an existing mobile power source protection device is used, effective heat dissipation cannot be conducted on the mobile power source when the mobile power source works is solved.

Description

Technical Field

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

[0002] Mobile power refers to a power supply device that can be carried and moved at any time. Generally, it refers to a 220v mobile battery. Mobile power usually has multiple output interfaces and can provide power supply for different types of equipment. Therefore, it can be applied to a variety of scenarios, such as equipment maintenance, emergency power backup, field construction and other scenarios.

[0003] A mobile power bank is generally a single large-capacity battery with a large volume. At present, in order to prevent the mobile power bank from being easily damaged by impact during use, the mobile power bank is usually placed in a protective device for protection. The mobile power bank is easily affected by temperature during use. If the temperature is too high, not only will the discharge efficiency be reduced, but the mobile power bank may even be damaged. However, most of the current protective devices do not have a heat dissipation structure, so there is a problem that the mobile power bank cannot be effectively cooled when it is working.

[0004] A battery protection device is disclosed in the utility model with application number: CN202222389582.X and announcement number: CN218274824U, including a box body and multiple adjustment mechanisms, the adjustment mechanism including a partition plate and two limit bars, the partition plate is inserted into the box body, two sides of the box body are provided with two slide grooves and multiple limit holes, the multiple limit holes are distributed on the outer end faces of the two slide grooves, two sliders are formed at both ends of the partition plate, the sliders extend to the outside of the box body through the slide grooves, two limit bars are provided with two slots, the sliders are plugged into the slots, the two limit bars are respectively sleeved on the two ends of the partition plate through the slots, two limit blocks are formed on the two limit bars, the limit blocks are plugged into the limit holes, but it still has the problem of not being able to effectively dissipate heat for the mobile power supply when the mobile power supply is working. Utility Model Content

[0005] Based on this, in view of the above problems, the utility model proposes a mobile power protection device, which solves the problem that the current mobile power protection device cannot effectively dissipate the heat of the mobile power when the mobile power is working.

[0006] The technical solution of the utility model is:

[0007] A mobile power protection device comprises a protection box body and a protection box cover, wherein the protection box cover is arranged on the top of the protection box body, and the protection box cover is detachably connected to the protection box body through a pair of locking pieces;

[0008] The protective box is provided with an installation cavity, which penetrates the protective box from top to bottom, the protective box cover is used to close the protective box, the lower end of the protective box is provided with an insertion port, the insertion port is communicated with the installation cavity, a breathable plate is provided in the installation cavity, the breathable plate divides the installation cavity into an upper cavity and a lower cavity, the breathable plate is arranged above the insertion port, and a plurality of air flow ports are provided on the breathable plate, breathable windows are provided on both sides of the protective box, the breathable windows are communicated with the upper cavity, a partition plate is provided in the upper cavity, the partition plate divides the upper cavity into two accommodating cavities, and the accommodating cavity is used to place a mobile power supply;

[0009] A heat dissipation component is provided in the lower cavity, and the heat dissipation component includes a first insertion frame, a partition plate and a pair of heat dissipation fans. A first installation opening is provided in the first insertion frame and passes through the first insertion frame from top to bottom. The partition plate is arranged in the first installation opening and divides the first installation opening into two fixed installation cavities. A pair of heat dissipation fans are respectively arranged in the two fixed installation cavities and are detachably connected to the first insertion frame. One end of the first insertion frame can be inserted into the lower cavity through the insertion opening and is slidably connected to the inner wall of the lower cavity.

[0010] Preferably, first sliding blocks are provided on both sides of the first insertion frame, and a first sliding groove cooperating with the first sliding block is provided on the inner wall of the lower cavity. The first sliding block can be inserted into the first sliding groove and slidably connected to the first sliding groove, and the first sliding block and the first sliding groove are fixed by friction.

[0011] Preferably, the cooling fan includes a fan body and a fixed mounting plate, the fan body is arranged on the fixed mounting plate, the bottom of the first insertion frame and the partition plate are provided with grooves which cooperate with the fixed mounting plate, the fixed mounting plate is installed in the groove, and is detachably connected to the bottom of the first insertion frame and the partition plate by bolts.

[0012] Preferably, the locking piece includes a locking block and a pair of matching blocks, one end of the locking block is arranged on the protective box cover and fixedly connected to the protective box cover, the pair of matching blocks are arranged on the protective box body and fixedly connected to the protective box body, the other end of the locking block can be inserted between the pair of matching blocks and is detachably connected to the pair of matching blocks through a plug-in pin, and one end of the plug-in pin passes through the pair of matching blocks and the locking block and is plugged into the pair of matching blocks and the locking block.

[0013] Preferably, a pair of first dustproof mesh plates are provided on the protective box body, and the first dustproof mesh plates are respectively arranged at the air windows on both sides of the protective box body, and are detachably connected to the protective box body by bolts. The first dustproof mesh plates are used to prevent dust from entering the upper cavity, and a plurality of first dustproof air holes are provided on the first dustproof mesh plates.

[0014] Preferably, a second dustproof mesh plate is provided at the bottom of the protective box, the second dustproof mesh plate is detachably connected to the bottom of the protective box by bolts, the second dustproof mesh plate is cooperated with the bottom of the lower cavity to prevent dust from entering the lower cavity, and a plurality of second dustproof air holes are provided on the second dustproof mesh plate.

[0015] Preferably, a drying component is further included, which is arranged in the lower cavity and above the heat dissipation component, and is used for drying the air delivered by the heat dissipation component.

[0016] Preferably, the drying component includes a second insertion frame, a bottom fixing plate and a desiccant placement box, the second insertion frame is provided with a second mounting opening that passes through the second insertion frame from top to bottom, the bottom fixing plate is arranged in the second mounting opening and is fixedly connected to the second insertion frame, the bottom fixing plate is provided with a plurality of placement slots for placing the desiccant placement box, the placement slots pass through the bottom fixing plate, the desiccant placement box is placed in the placement slots and plugged with the placement slots, an air inlet is provided at the bottom of the desiccant placement box, and the desiccant placement box is used to place desiccant.

[0017] Preferably, second sliding blocks are provided on both sides of the second insertion frame, and a second sliding groove cooperating with the second sliding block is provided on the inner wall of the lower cavity. The second sliding block can be inserted into the second sliding groove and slidably connected to the second sliding groove, and the second sliding block and the second sliding groove are fixed by friction.

[0018] Preferably, the protective box cover is provided with a wiring port cooperating with the accommodating cavity, the wiring port is provided with a connecting pipe, the connecting pipe is detachably connected to the wiring port, a plurality of fan-shaped soft films are provided in the connecting pipe, and one end of the plurality of fan-shaped soft films is fixedly connected to the inner wall of the connecting pipe.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] When in use, the outside air is sucked into the lower cavity from the bottom of the lower cavity by the cooling fan, and then the outside air entering the lower cavity enters the upper cavity through the air flow openings on the air permeable plate, and then is transported to the outside through the air permeable window, so that the outside cold air can cool the mobile power supplies in the two accommodating cavities when passing through the accommodating cavity. This solves the problem that the current mobile power protection device cannot effectively cool the mobile power supply when the mobile power supply is working. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of a mobile power supply protection device described in an embodiment of the utility model;

[0022] Figure 2 This is a schematic diagram of the partial structure of the protective box described in the embodiment of the utility model. Figure 1 ;

[0023] Figure 3 This is a partial structural diagram of a mobile power protection device described in an embodiment of the utility model. Figure 1 ;

[0024] Figure 4 This is a schematic diagram of the partial structure of the protective box described in the embodiment of the utility model. Figure 2 ;

[0025] Figure 5 This is a partial structural diagram of a mobile power protection device described in an embodiment of the utility model. Figure 2 ;

[0026] Figure 6 It is a structural schematic diagram of the heat dissipation assembly described in an embodiment of the utility model;

[0027] Figure 7 It is an enlarged structural schematic diagram of the locking member described in the embodiment of the utility model;

[0028] Figure 8 It is a partial structural schematic diagram of the drying component described in the embodiment of the utility model;

[0029] Fig. 9 It is an enlarged structural schematic diagram of the connecting pipe described in the embodiment of the utility model;

[0030] Fig.10 It is described in the embodiment of the utility model Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0031] Fig.11 It is described in the embodiment of the utility model Figure 5 A schematic diagram of the enlarged structure at A in the middle;

[0032] Description of reference numerals:

[0033] 10-protective box, 11-rubber shock-absorbing cushion, 100-installation cavity, 101-insertion port, 102-ventilation plate, 103-upper cavity, 104-lower cavity, 105-air flow port, 106-ventilation window, 107-partition plate, 108-accommodation cavity, 109-first sliding groove, 110-first dustproof screen plate, 111-first dustproof vent hole, 112-second dustproof screen plate, 113-second dustproof vent hole, 114-first dustproof net, 115-first installation frame, 116-second dustproof net, 117-second installation frame, 20-protective box cover, 200-wiring port, 201-pipe connection, 202-sector soft film, 2 03-first handle, 30-locking piece, 300-locking block, 301-matching block, 302-plug pin, 40-heat dissipation assembly, 400-first insertion frame, 401-partition plate, 402-heat dissipation fan, 403-first mounting port, 404-fixed mounting cavity, 405-first sliding block, 406-fan body, 407-fixed mounting plate, 408-groove, 409-second handle, 50-drying assembly, 500-second insertion frame, 502-desiccant placement box, 503-second mounting port, 504-placement notch, 505-air inlet, 506-second sliding block, 507-second sliding groove, 508-third handle. DETAILED DESCRIPTION

[0034] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0035] Example:

[0036] like Figures 1 to 6 As shown, in order to solve the above problems, this embodiment discloses a mobile power protection device, including a protection box body 10 and a protection box cover 20, the protection box cover 20 is arranged on the top of the protection box body 10, and the protection box cover 20 is detachably connected to the protection box body 10 through a pair of locking members 30;

[0037] The protective box 10 is provided with an installation cavity 100, and the installation cavity 100 penetrates the protective box 10 from top to bottom. The protective box cover 20 is used to close the protective box 10. The lower end of the protective box 10 is provided with an insertion port 101, and the insertion port 101 is communicated with the installation cavity 100. A breathable plate 102 is provided in the installation cavity 100, and the breathable plate 102 divides the installation cavity 100 into an upper cavity 103 and a lower cavity 104. The breathable plate 102 is arranged above the insertion port 101, and a plurality of air flow ports 105 are provided on the breathable plate 102. Breathable windows 106 are provided on both sides of the protective box 10, and the breathable windows 106 are communicated with the upper cavity 103. A partition plate 107 is provided in the upper cavity 103, and the partition plate 107 divides the upper cavity 103 into two accommodating cavities 108, and the accommodating cavity 108 is used to place a mobile power supply;

[0038] A heat dissipation component 40 is provided in the lower cavity 104, and the heat dissipation component 400 includes a first insertion frame 400, a partition plate 401 and a pair of heat dissipation fans 402. A first installation port 403 is provided in the first insertion frame 400 and passes through the first insertion frame 400 from top to bottom. The partition plate 401 is arranged in the first installation port 403 and divides the first installation port 403 into two fixed installation cavities 404. A pair of heat dissipation fans 402 are respectively arranged in the two fixed installation cavities 404 and are detachably connected to the first insertion frame 400. One end of the first insertion frame 400 can be inserted into the lower cavity 104 through the insertion port 101 and is slidably connected to the inner wall of the lower cavity 104.

[0039] When in use, the outside air is sucked into the lower cavity 104 from the bottom of the lower cavity 104 by the cooling fan 402, and then the outside air entering the lower cavity 104 enters the upper cavity 103 through the plurality of air flow ports 105 on the air permeable plate 102, and then is transported to the outside through the air permeable window 106, so that the outside cold air is air-cooled and dissipated to the mobile power supplies in the two accommodating cavities 108 when passing through the accommodating cavity 108. This solves the problem that the current mobile power protection device cannot effectively dissipate the heat of the mobile power supply when the mobile power supply is working.

[0040] The first insertion frame 400 can be inserted into the lower cavity 104 through the insertion port 101 and is slidably connected to the inner wall of the lower cavity 104 , which can facilitate the installation and maintenance of the cooling fan 402 .

[0041] like Figure 2 , Figure 6 As shown, in order to improve the sliding stability between the first insertion frame 400 and the lower cavity 104, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that first sliding blocks 405 are provided on both sides of the first insertion frame 400, and a first sliding groove 109 cooperating with the first sliding block 405 is provided on the inner wall of the lower cavity 104. The first sliding block 405 can be inserted into the first sliding groove 109 and slidably connected to the first sliding groove 109, and the first sliding block 405 and the first sliding groove 109 are fixed by friction.

[0042] Preferably, a second handle 409 is provided on one side of the first insertion frame 400 .

[0043] When in use, pull the second handle 409 to make the first sliding blocks 405 on both sides of the first insertion frame 400 slide in the first sliding groove 109. The setting of the first sliding block 405 and the first sliding groove 109 can facilitate improving the sliding stability between the first insertion frame 400 and the lower cavity 104.

[0044] like Figure 5As shown, in order to facilitate the installation of the cooling fan 402, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that the cooling fan 402 includes a fan body 406 and a fixed mounting plate 407, the fan body 406 is arranged on the fixed mounting plate 407, and the bottom of the first insertion frame 400 and the partition plate 401 is provided with a groove 408 which is matched with the fixed mounting plate 407, the fixed mounting plate 407 is installed in the groove 408, and is detachably connected to the bottom of the first insertion frame 400 and the partition plate 401 by bolts.

[0045] The fan body 406 is arranged on the fixed mounting plate 407 , and the fixed mounting plate 407 is installed in the groove 408 at the bottom of the first insertion frame 400 and the partition plate 401 by bolts, which can facilitate the installation and removal of the heat dissipation fan 402 .

[0046] like Figure 7 As shown, in order to facilitate fixing the protective box cover 20 on the protective box body 10, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that the locking member 30 includes a locking block 300 and a pair of matching blocks 301. One end of the locking block 300 is arranged on the protective box cover 20 and is fixedly connected to the protective box cover 20. The pair of matching blocks 301 are arranged on the protective box body 10 and are fixedly connected to the protective box body 10. The other end of the locking block 300 can be inserted between the pair of matching blocks 301 and is detachably connected to the pair of matching blocks 301 through a plug-in pin 302. One end of the plug-in pin 302 passes through the pair of matching blocks 301 and the locking block 300, and is plugged into the pair of matching blocks 301 and the locking block 300.

[0047] like Figure 1 As shown, preferably, a first handle 203 is provided on the top of the protective box cover 20 .

[0048] When in use, the locking member 30 can be locked by inserting the plug pin 302 into a pair of matching blocks 301 and the locking block 300, thereby fixing the protective box cover 20 on the protective box body 10. When the protective box cover 20 needs to be opened, it is only necessary to pull out the plug pin 302 and then lift the protective box cover 20 through the first handle 203.

[0049] like Figure 2 , Figure 3 , Fig.10As shown, due to the diversity of mobile power usage scenarios, in order to enable the mobile power to work stably in a dusty environment and prevent a large amount of dust in the outside air from entering the accommodating cavity 108 in the protective box body and affecting the mobile power, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that a pair of first dustproof mesh plates 110 are provided on the protective box body 10, and the first dustproof mesh plates 110 are respectively arranged at the air windows 106 on both sides of the protective box body 10, and are detachably connected to the protective box body 10 by bolts. The first dustproof mesh plate 110 is used to prevent dust from entering the upper cavity 103, and a plurality of first dustproof air holes 111 are provided on the first dustproof mesh plate 110.

[0050] Preferably, the first dustproof mesh plate 110 includes a first dustproof mesh 114 made of metal material and a first mounting frame 115, the first dustproof mesh 114 is fixedly arranged in the first mounting frame 115, the first dustproof air hole 111 is arranged on the first dustproof mesh 114, and the diameter of the first dustproof air hole 111 is approximately between 0.5mm and 1.2mm.

[0051] like Figure 4 , Figure 5 , Fig.11 As shown, preferably, a second dustproof mesh plate 112 is provided at the bottom of the protective box 10, and the second dustproof mesh plate 112 is detachably connected to the bottom of the protective box 10 by bolts. The second dustproof mesh plate 112 is cooperated with the bottom of the lower cavity 104 to prevent dust from entering the lower cavity 104, and a plurality of second dustproof air holes 113 are provided on the second dustproof mesh plate 112.

[0052] Preferably, the second dustproof mesh plate 112 includes a second dustproof mesh 116 of metal material and a second mounting frame 117, the second dustproof mesh 116 is fixedly disposed in the second mounting frame 117, the second dustproof air hole 113 is disposed on the second dustproof mesh 116, and the diameter of the second dustproof air hole 113 is approximately between 0.5 mm and 1 mm.

[0053] When in use, the first dustproof mesh plate 110 and the second dustproof mesh plate 112 can effectively prevent dust from entering the protective box 10 and affecting the mobile power supply. The first dustproof mesh plate 110 is mainly used to prevent a large amount of dust in the outside air from entering the accommodating cavity 108 and affecting the mobile power supply; the second dustproof mesh plate 112 is mainly used to prevent the cooling fan 402 from sucking a large amount of dust in the outside air into the protective box 10, and then entering the accommodating cavity 108 and affecting the mobile power supply.

[0054] like Figure 8As shown, in order to enable the mobile power supply to work normally in a scene with relatively humid air and to prevent a large amount of moisture in the air from entering the accommodating cavity 108 and affecting the mobile power supply, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that it also includes a drying component 50. The drying component 50 is arranged in the lower cavity 104 and is located above the heat dissipation component 40. The drying component 50 is used to dry the air transported by the heat dissipation component 40.

[0055] Preferably, the drying component 50 includes a second insertion frame 500, a bottom fixing plate 501 and a desiccant placement box 502. The second insertion frame 500 is provided with a second mounting opening 503 that passes through the second insertion frame 500 from top to bottom. The bottom fixing plate 501 is arranged in the second mounting opening 503 and is fixedly connected to the second insertion frame 500. The bottom fixing plate 501 is provided with a plurality of placement slots 504 for placing the desiccant placement box 502. The placement slots 504 pass through the bottom fixing plate 501. The desiccant placement box 502 is placed in the placement slots 504 and plugged with the placement slots 504. An air inlet 505 is provided at the bottom of the desiccant placement box 502. The desiccant placement box 502 is used to place desiccant.

[0056] like Figure 4 As shown, preferably, second sliding blocks 506 are provided on both sides of the second insertion frame 500, and a second sliding groove 507 cooperating with the second sliding block 506 is provided on the inner wall of the lower cavity 104, the second sliding block 506 can be inserted into the second sliding groove 507 and slidably connected to the second sliding groove 507, and the second sliding block 506 and the second sliding groove 507 are fixed by friction.

[0057] Preferably, a third handle 508 is provided on one side of the second insertion frame 500 .

[0058] When in use, by setting up a desiccant placement box 502 and placing desiccant in the desiccant placement box 502, the outside air sucked in by the cooling fan 402 can be dried by the desiccant after entering the desiccant placement box 502 through the air inlet 505 at the bottom of the desiccant placement box 502, and then the dried outside air continues to be transported to the accommodating cavity 108.

[0059] By plugging the desiccant placement box 502 into the placement slot 504 on the bottom fixing plate 501 in the second insertion frame 500, the desiccant placement box 502 can be easily installed and removed, which is beneficial for replacing the desiccant.

[0060] The third handle 508, the second sliding block 506 and the second sliding groove 507 can be arranged to facilitate the second insertion frame 500 to be pulled out and the desiccant can be replaced. The desiccant can be a desiccant in the prior art that can realize the function of the utility model.

[0061] like Figure 1 , Fig. 9 As shown, in order to facilitate the wiring and use of the mobile power supply, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that a wiring port 200 is provided on the protective box cover 20 to cooperate with the accommodating cavity 108, and a connecting pipe 201 is provided at the wiring port 200. The connecting pipe 201 is detachably connected to the wiring port 200, and a plurality of fan-shaped soft films 202 are provided in the connecting pipe 201. One end of the plurality of fan-shaped soft films 202 is fixedly connected to the inner wall of the connecting pipe 201.

[0062] When in use, the plug of the device that needs electricity can be passed through the connecting pipe 201 and the fan-shaped soft film 202 in the connecting pipe 201, and then the plug is connected to the mobile power supply.

[0063] Preferably, a plurality of rubber shock-absorbing cushions 11 are provided at the bottom of the protective box 10. The rubber shock-absorbing cushions 11 can be rubber shock-absorbing cushions 11 in the prior art that can realize the function of the utility model, and the rubber shock-absorbing cushions 11 are used to reduce the vibration effect on the protective box 10, thereby protecting the battery.

[0064] Working principle of this utility model:

[0065] When in use, the outside air is sucked into the lower cavity 104 from the bottom of the lower cavity 104 through the cooling fan 402, and then the outside air entering the lower cavity 104 enters the upper cavity 103 through the several air flow ports 105 on the air permeable plate 102, and then is transported to the outside through the air permeable window 106, so that the outside cold air can cool the mobile power supplies in the two accommodating cavities 108 when passing through the accommodating cavity 108.

[0066] The above-mentioned embodiments only express the specific implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. A mobile power protection device, characterized in that: The protective box comprises a protective box body (10) and a protective box cover (20), wherein the protective box cover (20) is arranged on the top of the protective box body (10), and the protective box cover (20) and the protective box body (10) are detachably connected via a pair of locking members (30); A mounting cavity (100) is provided in the protection box (10), the mounting cavity (100) penetrates the protection box (10) from top to bottom, the protection box cover (20) is used to close the protection box (10), an insertion port (101) is provided at the lower end of the protection box (10), the insertion port (101) is communicated with the mounting cavity (100), a vent plate (102) is provided in the mounting cavity (100), the vent plate (102) divides the mounting cavity (100) into an upper cavity (103) and a lower cavity (104). 04), a ventilation plate (102) is arranged above the insertion port (101), and a plurality of air flow ports (105) are arranged on the ventilation plate (102), ventilation windows (106) are arranged on both sides of the protective box (10), the ventilation windows (106) are communicated with the upper cavity (103), a partition plate (107) is arranged in the upper cavity (103), the partition plate (107) divides the upper cavity (103) into two accommodating cavities (108), and the accommodating cavity (108) is used to place the mobile power supply; A heat dissipation component (40) is provided in the lower cavity (104), and the heat dissipation component (40) comprises a first insertion frame (400), a partition plate (401) and a pair of heat dissipation fans (402); a first installation opening (403) is provided in the first insertion frame (400) and passes through the first insertion frame (400) from top to bottom; the partition plate (401) is arranged in the first installation opening (403) and divides the first installation opening (403) into two fixed installation cavities (404); the pair of heat dissipation fans (402) are respectively arranged in the two fixed installation cavities (404) and are detachably connected to the first insertion frame (400); one end of the first insertion frame (400) can be inserted into the lower cavity (104) through the insertion opening (101) and is slidably connected to the inner wall of the lower cavity (104).

2. A mobile power protection device according to claim 1, characterized in that: First sliding blocks (405) are provided on both sides of the first insertion frame (400), and a first sliding groove (109) matched with the first sliding block (405) is provided on the inner side wall of the lower cavity (104); the first sliding block (405) can be inserted into the first sliding groove (109) and slidably connected to the first sliding groove (109); the first sliding block (405) and the first sliding groove (109) are fixed by friction.

3. A mobile power protection device according to claim 2, characterized in that: The heat dissipation fan (402) comprises a fan body (406) and a fixed mounting plate (407); the fan body (406) is arranged on the fixed mounting plate (407); a groove (408) cooperating with the fixed mounting plate (407) is provided at the bottom of the first insertion frame (400) and the partition plate (401); the fixed mounting plate (407) is installed in the groove (408) and is detachably connected to the bottom of the first insertion frame (400) and the partition plate (401) via bolts.

4. A mobile power protection device according to claim 2 or 3, characterized in that: The locking member (30) comprises a locking block (300) and a pair of matching blocks (301); one end of the locking block (300) is arranged on the protective box cover (20) and is fixedly connected to the protective box cover (20); the pair of matching blocks (301) are arranged on the protective box body (10) and are fixedly connected to the protective box body (10); the other end of the locking block (300) can be inserted between the pair of matching blocks (301) and is detachably connected to the pair of matching blocks (301) via a plug-in pin (302); one end of the plug-in pin (302) passes through the pair of matching blocks (301) and the locking block (300) and is plugged into the pair of matching blocks (301) and the locking block (300).

5. A mobile power protection device according to claim 1, characterized in that: A pair of first dustproof mesh plates (110) are provided on the protective box body (10); the first dustproof mesh plates (110) are respectively arranged at the ventilation windows (106) on both sides of the protective box body (10), and are detachably connected to the protective box body (10) via bolts; the first dustproof mesh plates (110) are used to prevent dust from entering the upper cavity (103); and a plurality of first dustproof ventilation holes (111) are provided on the first dustproof mesh plates (110).

6. A mobile power protection device according to claim 5, characterized in that: A second dustproof screen (112) is provided at the bottom of the protective box (10); the second dustproof screen (112) is detachably connected to the bottom of the protective box (10) via bolts; the second dustproof screen (112) is arranged in cooperation with the bottom of the lower cavity (104) to prevent dust from entering the lower cavity (104); and a plurality of second dustproof air holes (113) are provided on the second dustproof screen (112).

7. A mobile power protection device according to claim 1, characterized in that: It also includes a drying component (50), which is arranged in the lower cavity (104) and located above the heat dissipation component (40), and is used to dry the air delivered by the heat dissipation component (40).

8. A mobile power protection device according to claim 7, characterized in that: The drying component (50) comprises a second insertion frame (500), a bottom fixing plate (501) and a desiccant placement box (502); a second installation opening (503) penetrating the second insertion frame (500) from top to bottom is provided in the second insertion frame (500); the bottom fixing plate (501) is arranged in the second installation opening (503) and is fixedly connected to the second insertion frame (500); a plurality of placement notches (504) for placing the desiccant placement box (502) are provided on the bottom fixing plate (501); the placement notches (504) penetrate the bottom fixing plate (501); the desiccant placement box (502) is placed in the placement notches (504) and plugged into the placement notches (504); an air inlet (505) is provided at the bottom of the desiccant placement box (502); and the desiccant placement box (502) is used to place desiccant.

9. A mobile power protection device according to claim 8, characterized in that: Second sliding blocks (506) are provided on both sides of the second insertion frame (500), and a second sliding groove (507) matched with the second sliding block (506) is provided on the inner side wall of the lower cavity (104); the second sliding block (506) can be inserted into the second sliding groove (507) and slidably connected to the second sliding groove (507); the second sliding block (506) and the second sliding groove (507) are fixed by friction.

10. A mobile power protection device according to claim 1, characterized in that: The protective box cover (20) is provided with a wiring port (200) which cooperates with the accommodating cavity (108); a connecting pipe (201) is provided at the wiring port (200); the connecting pipe (201) and the wiring port (200) are detachably connected; a plurality of fan-shaped soft films (202) are provided in the connecting pipe (201); one end of the plurality of fan-shaped soft films (202) is fixedly connected to the inner wall of the connecting pipe (201).

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