Welding protection mechanism for battery pack protection circuit board

Abstract

The utility model belongs to the technical field of welding protection, and discloses a welding protection mechanism for a battery pack protection circuit board, including a protection structure, and also including: a filter assembly, which is arranged on the protection structure and is used to purify the gas generated during welding; wherein, the protection structure includes a protective cover, the outer side of the protective cover is hinged with a baffle, the outer side of the protective cover is inlaid with a sunshade, the outer side of the protective cover is connected with two groups of mounting pipes, the inner wall of the mounting pipe is bonded with a protective sleeve, and the middle part of the protective sleeve is bonded with a rubber ring; wherein, the filter assembly includes a ventilation pipe and a fan, the ventilation pipe is installed on the outer side of the protective cover, the fan is arranged on one side of the protective cover, the ventilation pipe is connected with the air inlet of the fan, and the exhaust port of the fan is connected with an exhaust pipe. Through the operation of the fan, the gas inside the protective cover will be extracted through the ventilation pipe, and filtered by the filter layer, thereby avoiding affecting the surrounding working environment.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding protection, in particular to a welding protection mechanism for a battery pack protection circuit board. Background Art

[0002] When using the battery pack, it is strictly forbidden to have problems such as overcharging, over-discharging, and short circuit, otherwise the battery will cause problems such as fire or explosion. Therefore, a protection board circuit is usually added to the battery pack circuit to protect the safety of the lithium-ion battery.

[0003] When processing the battery pack protection circuit board, it is necessary to weld electronic components to it. During the welding operation, common protective gear is welding masks, protective clothing, etc. These protective gear can only protect the welding workers. In the welding process, sparks will splash everywhere. Although the workers wearing protective gear will be protected, the sputtering sparks will spread all around, which poses certain safety hazards. In addition, during welding, a large amount of harmful gases will appear in the welding area, which will pollute the surrounding working environment. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the utility model provides a welding protection mechanism for a battery pack protection circuit board to solve the problem of pollution to the surrounding environment during welding.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a welding protection mechanism for a battery pack protection circuit board includes a protection structure and also includes:

[0006] A filter assembly is provided on the protective structure and is used to purify the gas generated during welding;

[0007] The protective structure includes a protective cover, a baffle is hinged on the outer side of the protective cover, a sunshade is inlaid on the outer side of the protective cover, two groups of mounting tubes are connected to the outer side of the protective cover, a protective sleeve is bonded to the inner wall of the mounting tube, and a rubber ring is bonded to the middle of the protective sleeve;

[0008] Among them, the filter assembly includes a ventilation duct and a fan, the ventilation duct is installed on the outside of the protective cover, the fan is arranged on one side of the protective cover, the ventilation duct is connected with the air inlet of the fan, the exhaust port of the fan is connected with an exhaust pipe, the interior of the exhaust pipe is sleeved with a sleeve, the outer surface of the exhaust pipe is provided with a thread, and the inner wall of the sleeve is inlaid with a filter layer.

[0009] Preferably, the filter layer includes a first filter cotton and a second filter cotton, and the first filter cotton is in contact with the second filter cotton.

[0010] Preferably, the first filter cotton is made of activated carbon, and the second filter cotton is made of glass wool fiber.

[0011] Preferably, the protective sleeve is made of leather, and the sleeve is threadedly connected to the thread.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model uses the elastic force of the rubber ring to allow the worker to pass his arm through the rubber ring, and the rubber ring will fit the worker's arm, so that the interior of the protective cover is in a closed state, preventing sparks generated by welding from splashing out. At the same time, through the operation of the fan, the gas inside the protective cover will be extracted through the ventilation pipe and filtered by the filter layer, thereby avoiding affecting the surrounding working environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a cross-sectional structural schematic diagram of the side of the utility model;

[0016] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0017] Figure 4 This is a cross-sectional structural diagram of the installation pipe of the utility model

[0018] Figure 5 It is a structural schematic diagram of the front side of the utility model.

[0019] In the figure: 1. protective cover; 2. baffle; 3. sunshade; 4. mounting tube; 5. protective sleeve; 6. rubber ring; 7. ventilation pipe; 8. fan; 9. exhaust pipe; 10. sleeve; 11. thread; 12. filter layer; 121. first filter cotton; 122. second filter cotton. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] like Figures 1 to 5 As shown, the utility model provides a welding protection mechanism for a battery pack protection circuit board, including a protection structure and also including:

[0022] A filter assembly is provided on the protective structure and is used to purify the gas generated during welding;

[0023] The protective structure includes a protective cover 1, a baffle 2 is hinged on the outer side of the protective cover 1, a sunshade mirror 3 is inlaid on the outer side of the protective cover 1, two sets of mounting tubes 4 are connected to the outer side of the protective cover 1, a protective sleeve 5 is bonded to the inner wall of the mounting tube 4, and a rubber ring 6 is bonded to the middle of the protective sleeve 5;

[0024] Among them, the filtering component includes a ventilation pipe 7 and a fan 8. The ventilation pipe 7 is installed on the outside of the protective cover 1, and the fan 8 is arranged on one side of the protective cover 1. The ventilation pipe 7 is connected to the air inlet of the fan 8, and the exhaust port of the fan 8 is connected to the exhaust pipe 9. The inside of the exhaust pipe 9 is sleeved with a sleeve 10. The outer surface of the exhaust pipe 9 is provided with a thread 11, and the inner wall of the sleeve 10 is inlaid with a filter layer 12.

[0025] Through the cooperation between the protective cover 1 and the baffle 2, the baffle 2 can be opened to place the battery pack protection circuit board inside the protective cover 1. At the same time, through the elastic force of the rubber ring 6, the staff can pass their arms through the rubber ring 6, and the rubber ring 6 will fit the staff's arm, so that the interior of the protective cover 1 is in a closed state to prevent sparks generated by welding from splashing. At the same time, the sunshade 3 makes it convenient for the staff to observe the interior of the protective cover 1. At this time, through the operation of the fan 8, the gas inside the protective cover 1 will be extracted through the ventilation pipe 7 and filtered by the filter layer 12.

[0026] The filter layer 12 includes a first filter cotton 121 and a second filter cotton 122 , and the first filter cotton 121 is in contact with the second filter cotton 122 .

[0027] Through the design of the filter layer 12 , the exhaust pipe 9 can filter the gas through the filter layer 12 when discharging harmful gas inside the protective cover 1 .

[0028] The first filter cotton 121 is made of activated carbon, and the second filter cotton 122 is made of glass wool fiber.

[0029] Through the design of the first filter cotton 121, the odor in the gas can be removed, and at the same time, the impurities in the gas can be filtered through the second filter cotton 122, and it has the effect of high temperature resistance.

[0030] The protective cover 5 is made of leather, and the sleeve 10 is threadedly connected with the thread 11 .

[0031] Through the design of the protective cover 5, since the protective cover 5 is made of leather, a material with excellent properties such as flame retardancy, wear resistance, and warmth retention, and leather is a commonly used material for making welding work clothes, and through the cooperation between the sleeve 10 and the thread 11, the filter layer 12 is easy to replace.

[0032] The working principle and use process of this utility model:

[0033] First, the staff can open the baffle 2 to place the battery pack protection circuit board inside the protective cover 1, and then the staff needs to wear protective gloves to pass their arms through the rubber ring 6. At this time, the elastic force of the rubber ring 6 will fit the staff's arm, so that the inside of the protective cover 1 is in a closed state to prevent sparks generated by welding from splashing. At the same time, the sunshade 3 is convenient for the staff to observe the inside of the protective cover 1. At this time, the operation of the fan 8 will extract the gas inside the protective cover 1 through the ventilation pipe 7 and filter it using the filter layer 12, which can prevent the sparks and gases generated by welding from affecting the surrounding working environment.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A welding protection mechanism for a battery pack protection circuit board, comprising a protection structure, characterized in that: Also includes: A filter assembly is provided on the protective structure and is used to purify the gas generated during welding; The protective structure comprises a protective cover (1), a baffle (2) is hingedly connected to the outer side of the protective cover (1), a sunshade (3) is inlaid on the outer side of the protective cover (1), two groups of mounting tubes (4) are connected to the outer side of the protective cover (1), a protective sleeve (5) is bonded to the inner wall of the mounting tube (4), and a rubber ring (6) is bonded to the middle of the protective sleeve (5); The filter assembly comprises a ventilation pipe (7) and a fan (8), wherein the ventilation pipe (7) is installed on the outside of the protective cover (1), the fan (8) is arranged on one side of the protective cover (1), the ventilation pipe (7) is connected to the air inlet of the fan (8), the exhaust port of the fan (8) is connected to the exhaust pipe (9), the interior of the exhaust pipe (9) is sleeved with a sleeve (10), the outer surface of the exhaust pipe (9) is provided with a thread (11), and the inner wall of the sleeve (10) is inlaid with a filter layer (12).

2. The welding protection mechanism of the battery pack protection circuit board according to claim 1, characterized in that: The filter layer (12) comprises a first filter cotton (121) and a second filter cotton (122), wherein the first filter cotton (121) is in contact with the second filter cotton (122).

3. The welding protection mechanism of the battery pack protection circuit board according to claim 2, characterized in that: The first filter cotton (121) is made of activated carbon, and the second filter cotton (122) is made of glass wool fiber.

4. The welding protection mechanism of the battery pack protection circuit board according to claim 1, characterized in that: The protective sleeve (5) is made of leather, and the sleeve (10) is threadedly connected to the thread (11).

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