CN209845617U - Lithium electron protection shield - Google Patents

Abstract

The utility model discloses a lithium electron protection shield, including backplate base, orientation angle and shield, the pivot is all installed to the left and right sides of backplate base, the second side board is installed on the right side of first side board, and the top inner wall edge of first side board and second side board has all seted up the mounting groove, the inside of first side board and second side board all runs through to install and leads line mechanism, the fixed bonding of orientation angle is in the upper end of backplate base, and the inner wall of orientation angle installs the circuit board, the top at the backplate base is installed to the shield, the inside of backplate base runs through to install heat dissipation mechanism. The wire pulling tube in the lithium ion electronic protection board has the clamping and positioning effects on the wire harness used for testing the lithium ion battery, the wire harness can be prevented from loosening in the working process, the usability of the lithium ion battery can be ensured, and the four corners of the circuit board in the power-on test process have the anti-creeping function due to the fact that the insulating paper has a certain anti-creeping function.

Description

Lithium electron protection shield

Technical Field

The utility model relates to a lithium electron correlation technique field specifically is a lithium electron protection shield.

Background

The lithium battery protection board is used for charging and discharging protection of the series lithium battery pack, the voltage difference between the single batteries can be guaranteed to be smaller than a set value when the battery pack is fully charged, the single batteries of the battery pack are uniformly charged, the charging effect under the series charging mode is effectively improved, the overvoltage, undervoltage, overcurrent, short circuit and over-temperature states of the single batteries in the battery pack are detected, the service life of the battery is protected and prolonged, and the undervoltage protection prevents each single battery from being damaged due to overdischarge when the single battery is used for discharging.

However, the currently used lithium ion protection board has poor heat dissipation performance in the working process, the test effect of lithium ions is easily affected due to the overhigh temperature of the circuit board, and the lithium ion board is easily damaged due to the interference of external dust in the storage and transportation processes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium electron protection shield to the lithium electron protection shield of using at present who proposes in solving above-mentioned background art is not good at the in-process heat dispersion of work, easily influences the test effect of lithium electron because the high temperature of circuit board, and at the in-process of storage and transportation, easily receives the interference of external dust and causes the problem of damage to the lithium cell.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lithium electron protection shield, includes backplate base, orientation angle and shield, the pivot is all installed to the left and right sides of backplate base, and the outer wall of pivot installs first side board and second side board respectively, the second side board is installed on the right side of first side board, and the top inner wall edge of first side board and second side board has all seted up the mounting groove, the inside of first side board and second side board all runs through installs and leads line mechanism, the fixed bonding of orientation angle is in the upper end of backplate base, and the inner wall at orientation angle installs the circuit board, the top at the backplate base is installed to the shield, the inside of backplate base runs through installs heat dissipation mechanism.

Preferably, the wire pulling mechanism comprises a wire pulling pipe and a protective sponge, the protective sponge is fixedly bonded on the inner wall of the wire pulling pipe, and the wire pulling pipe is arranged in the first side plate and the second side plate at equal intervals.

Preferably, the positioning angles are symmetrically arranged in two groups about the central axis of the guard plate base, the positioning angles are arranged in an L-shaped structure, and insulating paper is fixedly adhered to the inner walls of the positioning angles.

Preferably, between shield and the first side board, be the draw-in groove connection between shield and the second side board, and the fixed bonding of end of shield has the installation piece to the length of shield is the same with the length of backplate base.

Preferably, the heat dissipation mechanism comprises a heat dissipation tube, first heat dissipation fins, second heat dissipation fins and a filter screen, the first heat dissipation fins are fixedly bonded on the upper portion of the inner wall of the heat dissipation tube, the second heat dissipation fins are fixedly bonded on the inner wall of the first heat dissipation fins, and the filter screen is mounted on the lower portion inside the heat dissipation tube.

Preferably, the first radiating fins and the second radiating fins are arranged on the inner wall of the radiating pipe at equal intervals, the first radiating fins and the second radiating fins form a T-shaped structure, and the tail ends of the radiating pipe and the tail end of the guard plate base are positioned on the same horizontal plane.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the lithium ion electronic protection board, the wire pulling pipes are respectively arranged in the first side board and the second side board at equal intervals, the wire pulling pipes have the clamping and positioning functions on a wire harness used for a lithium ion electronic test, at the moment, the outer wall of the wire harness and the protection sponge on the inner wall of the wire pulling pipe are in a tightly-attached state, the wire harness can be prevented from loosening in the working process, the usability of the lithium ion battery can be ensured, in addition, due to the fact that the insulating paper has a certain electricity leakage prevention function, the four corners of the circuit board in the power-on test process have the electricity leakage prevention function, meanwhile, the positioning angles have the placing effect on the circuit board, and the integral stability performance of the circuit board placed at the top end of the protection board base can also be ensured;

2. the dustproof cover is connected with the first side plate and the second side plate through clamping grooves, so that a user can conveniently disassemble and assemble the dustproof cover and the first side plate and the second side plate to integrally play a dustproof protection role on the protection plate, and the work of the circuit board is prevented from being influenced;

3. first cooling fin and second cooling fin constitute "T" type structure, because of the circuit board can produce certain heat at the in-process of work, the accessible cooling tube gives off its heat to when the inside heat of cooling tube reachs certain temperature after, easily take place deformation, consequently first cooling fin and the use of mutually supporting of second cooling fin can distribute away the inside heat of cooling tube rapidly, in order to do benefit to the radiating rate who guarantees the cooling tube.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic top view of the guard plate base of the present invention;

FIG. 3 is a schematic view of the heat dissipation mechanism of the present invention;

fig. 4 is a schematic structural view of the wire pulling mechanism of the present invention.

In the figure: 1. a guard plate base; 2. a rotating shaft; 3. a first side plate; 4. a second side plate; 5. mounting grooves; 6. a wire pulling mechanism; 601. a wire pulling pipe; 602. a protective sponge; 7. positioning an angle; 8. insulating paper; 9. a circuit board; 10. a dust cover; 11. mounting blocks; 12. a heat dissipation mechanism; 1201. a radiating pipe; 1202. a first heat radiation fin; 1203. a second heat radiation fin; 1204. and (5) filtering by using a filter screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a lithium electronic protection board comprises a protection board base 1, a rotating shaft 2, a first side board 3, a second side board 4, a mounting groove 5, a wire drawing mechanism 6, a positioning angle 7, insulating paper 8, a circuit board 9, a dustproof cover 10, a mounting block 11 and a heat dissipation mechanism 12, wherein the rotating shaft 2 is mounted on the left side and the right side of the protection board base 1, the first side board 3 and the second side board 4 are mounted on the outer wall of the rotating shaft 2 respectively, the second side board 4 is mounted on the right side of the first side board 3, the mounting grooves 5 are formed in the edges of the inner walls of the top ends of the first side board 3 and the second side board 4 respectively, the wire drawing mechanism 6 penetrates through the first side board 3 and the second side board 4 and comprises a wire drawing pipe 601 and a protective sponge 602, the protective sponge 602 is fixed on the inner wall of the wire drawing pipe 601, the wire drawing pipe 601 is arranged in the first side board 3 and the second side board 4 at equal intervals respectively, and has the function of clamping and positioning for a wire harness used for testing a lithium electronic device, at the moment, the outer wall of the wire harness is in a tightly attached state with the protective sponge 602 on the inner wall of the wire pulling pipe 601, so that the wire harness can be prevented from loosening in the working process, and the usability of the lithium ion battery can be ensured;

the positioning angles 7 are fixedly bonded at the upper end of the guard plate base 1, the inner wall of the positioning angles 7 is provided with a circuit board 9, the positioning angles 7 are symmetrically arranged in two groups relative to the central axis of the guard plate base 1, the positioning angles 7 are arranged in an L-shaped structure, the inner wall of the positioning angles 7 is fixedly bonded with insulating paper 8, the insulating paper 8 has certain electricity leakage prevention function, the four corners of the circuit board 9 in the power-on test process have electricity leakage prevention function, meanwhile, the positioning angles 7 have the placing effect on the circuit board 9, the integral stability of the circuit board 9 placed at the top end of the guard plate base 1 can be ensured, the dustproof cover 10 is mounted above the guard plate base 1, the dustproof cover 10 is connected with the first side plate 3 through clamping grooves, the dustproof cover 10 is connected with the second side plate 4 through the clamping grooves, the tail end of the dustproof cover 10 is fixedly bonded with a mounting block 11, and the length of the dustproof cover, the user can conveniently disassemble and assemble the dust cover 10 and the first side plate 3 and the dust cover 10 and the second side plate 4, and the whole protective plate is protected from dust, so that the work of the circuit board 9 is prevented from being influenced;

the heat dissipation mechanism 12 is installed inside the protective plate base 1 in a penetrating manner, the heat dissipation mechanism 12 includes a heat dissipation pipe 1201, a first heat dissipation fin 1202, a second heat dissipation fin 1203 and a filter 1204, the first heat dissipation fin 1202 is fixedly adhered to the upper portion of the inner wall of the heat dissipation pipe 1201, the second heat dissipation fin 1203 is fixedly adhered to the inner wall of the first heat dissipation fin 1202, the filter 1204 is installed below the inner portion of the heat dissipation pipe 1201, a certain amount of heat is generated during the operation of the circuit board 9, the heat can be dissipated through the heat dissipation pipe 1201, and when the heat inside the heat dissipation pipe 1201 reaches a certain temperature, deformation easily occurs, so that the first heat dissipation fin 1202 and the second heat dissipation fin 1203 are used in cooperation with each other, the heat inside the heat dissipation pipe 1201 can be dissipated rapidly, the heat dissipation rate of the heat dissipation pipe 1201 can be ensured, and the first heat dissipation fin 1202 and the second heat dissipation fin 1203 are arranged at equal intervals on the, and the first radiator fins 1202 and the second radiator fins 1203 form a "T" shape, and the end of the radiator pipe 1201 and the end of the shield plate base 1 are at the same horizontal plane, so that the heat generated by the operation of the circuit board 9 is rapidly dissipated.

The working principle is as follows: for the lithium ion electronic protection plate, firstly, the first side plate 3 and the second side plate 4 are respectively and freely rotated to the positions vertical to the protection plate base 1 through the rotating shaft 2, then the wire harness respectively passes through the wire pulling pipe 601 arranged inside the first side plate 3 and the second side plate 4, at the moment, the protective sponge 602 on the inner wall of the wire pulling pipe 601 is tightly attached to the outer wall of the wire harness, then, the electronic component of the circuit board 9 can be subjected to circuit test, then, the mounting block 11 at the tail end of the dustproof cover 10 is respectively embedded into the mounting grooves 5 arranged at the top edges of the first side plate 3 and the second side plate 4, the protection plate is integrally subjected to dustproof protection to avoid influencing the work of the circuit board 9, finally, certain heat can be generated in the working process of the circuit board 9, the heat can be radiated through the radiating pipe 1201, and after the heat inside the radiating pipe 1201 reaches a certain temperature, the deformation is easy to occur, so that the first heat dissipating fins 1202 and the second heat dissipating fins 1203 are used in cooperation with each other, the heat inside the heat dissipating pipe 1201 can be rapidly dissipated, the heat dissipating rate of the heat dissipating pipe 1201 can be guaranteed, meanwhile, the filter net 1204 also has a defense effect on external dust, the airflow inside the heat dissipating pipe 1201 can stably pass through, and the using process of the whole lithium electronic protection plate is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a lithium ion protection plate, includes backplate base (1), location angle (7) and shield (10), its characterized in that: pivot (2) are all installed to the left and right sides of backplate base (1), and the outer wall of pivot (2) installs first side board (3) and second side board (4) respectively, second side board (4) are installed on the right side of first side board (3), and the top inner wall edge of first side board (3) and second side board (4) has all seted up mounting groove (5), the inside of first side board (3) and second side board (4) all runs through and installs wire pulling mechanism (6), locating angle (7) fixed bonding is in the upper end of backplate base (1), and the inner wall of locating angle (7) installs circuit board (9), the top in backplate base (1) is installed in shield (10), the inside of backplate base (1) runs through and installs heat dissipation mechanism (12).

2. A lithium-ion electronic protection plate according to claim 1, characterized in that: the wire drawing mechanism (6) comprises a wire drawing pipe (601) and a protective sponge (602), the protective sponge (602) is fixedly bonded on the inner wall of the wire drawing pipe (601), and the wire drawing pipe (601) is respectively arranged in the first side plate (3) and the second side plate (4) at equal intervals.

3. A lithium-ion electronic protection plate according to claim 1, characterized in that: the positioning angles (7) are symmetrically arranged in two groups about the central axis of the guard plate base (1), the positioning angles (7) are arranged in an L-shaped structure, and insulating paper (8) is fixedly adhered to the inner wall of the positioning angles (7).

4. A lithium-ion electronic protection plate according to claim 1, characterized in that: between shield (10) and first side board (3), be the draw-in groove connection between shield (10) and the second side board (4), and the end of shield (10) is fixed to bond has installation piece (11) to the length of shield (10) is the same with the length of backplate base (1).

5. A lithium-ion electronic protection plate according to claim 1, characterized in that: the heat dissipation mechanism (12) comprises a heat dissipation pipe (1201), first heat dissipation fins (1202), second heat dissipation fins (1203) and a filter screen (1204), wherein the first heat dissipation fins (1202) are fixedly adhered to the upper portion of the inner wall of the heat dissipation pipe (1201), the second heat dissipation fins (1203) are fixedly adhered to the inner wall of the first heat dissipation fins (1202), and the filter screen (1204) is installed below the inner portion of the heat dissipation pipe (1201).

6. A lithium-ion electronic protection plate according to claim 5, characterized in that: the first radiating fins (1202) and the second radiating fins (1203) are arranged on the inner wall of the radiating pipe (1201) at equal intervals, the first radiating fins (1202) and the second radiating fins (1203) form a T-shaped structure, and the tail end of the radiating pipe (1201) and the tail end of the guard plate base (1) are located on the same horizontal plane.