Flame-proof battery car charging converter

By introducing a hot melt block and a rising grid structure into the electric vehicle charger, the problem of overheating and fire inside the charger has been solved, and the functions of automatic power-off and fire prevention in the enclosed space have been realized, improving safety and practicality.

CN223520656UActive Publication Date: 2025-11-07TIANCHANG TUOZHAN ELECTRONIC CO LTD
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Patent Information

Application Number
CN202423072898.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-11-07
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Existing electric vehicle chargers are prone to catching fire when their internal circuits age or overheat, posing a serious safety hazard.

Method used

A fire-resistant electric vehicle charging converter was designed, comprising a fusible block and a lifting grid structure. When the battery plate temperature is too high, the fusible block melts and cuts off the power supply, and the lifting grid closes the ventilation grid to form a closed space to block airflow and prevent fire.

Benefits of technology

The charger automatically cuts off the power and seals the interior when the temperature is too high, preventing fire and improving safety and practicality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223520656U_ABST
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Abstract

The utility model discloses a flame-proof battery car charging converter, which relates to the technical field of chargers and comprises a conversion shell, a stabilizing column is fixedly arranged at the bottom of the conversion shell, an electric plate is sleeved on the stabilizing column, ventilation grids are fixedly arranged on two sides of the conversion shell, a lifting grid is slidably arranged at the ventilation grids of the conversion shell, and a connecting rod is fixedly arranged on the lifting grid. The connecting rod is connected with the electric plate, power connection seats are fixedly arranged on the two sides of the electric plate, wiring holes are fixedly formed in the two sides of the conversion shell, power connection clamps are arranged on the sides, located in the conversion shell, of the wiring holes, the power connection seats are provided with insertion plates, the stabilizing columns are located below the electric plate and sleeved with lantern rings, and supporting springs arranged on the stabilizing columns in a sleeving mode are arranged below the lantern rings. And a hot melting block is clamped in the conversion shell through the groove. The device is simple in structure, can automatically cut off a power supply when the internal temperature of the converter is too high, seals the interior of the converter, achieves fire prevention and flame retardance, and is high in practicability and suitable for popularization.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of charger, concretely relates to a fireproof battery car charging converter. BACKGROUND

[0002] The electric vehicle charger is a charging device specially configured for the battery of the electric bicycle, and can be divided into two categories through the transformer. The internal structure of the converter of the battery car charger mainly includes a heat dissipation system, a circuit board, input and output terminals and a protection mechanism, which are important components of the charger.

[0003] When the internal circuit of the converter is aged or overheated, the converter is prone to fire, which has serious safety hazards. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a kind of fireproof battery car charging converters, structure is simple, when the temperature in converter is too high, power supply will be automatically cut off, and converter inside is closed, carry out fire prevention flame retardant, practicality is strong, it is suitable for promotion.

[0005] The utility model provides the following technical scheme: a kind of fireproof battery car charging converter, including conversion shell, the bottom of the conversion shell is fixed with stabilizing column, the electric plate is sleeved on the stabilizing column, the both sides of the conversion shell are fixed with ventilation grid, the conversion shell is slidably equipped with lifting grid at ventilation grid, the width of the lifting grid is matched with the grid width of ventilation grid, the connecting rod is fixed on the lifting grid, and the connecting rod is connected with the electric plate;

[0006] The both sides of the electric plate are fixed with electric seat, the circuit of the electric seat is connected with the electric plate, the both sides of the conversion shell are fixed with wiring hole, the electric clamp is arranged on one side in the conversion shell, the insertion plate is fixed at the position corresponding to the electric clamp, the insertion plate is slidably connected with the electric clamp, the stabilizing column is sleeved with the sleeve ring below the electric plate, the supporting spring is arranged on the stabilizing column below the sleeve ring, the conversion shell is provided with recess above the electric plate, and the hot melt block is clamped in the recess.

[0007] Preferably, the electric clamp is through from top to bottom, the hot melt block is above the electric plate, the insertion plate is clamped in the electric clamp when the hot melt block is pressed on the electric plate, and the circuit of the electric clamp is connected with the insertion plate.

[0008] Preferably, when the hot melt block presses the electric plate, the ventilation grid coincides with the lifting grid, and the supporting spring is in compression state, when the hot melt block melts, the lifting grid is located at the grid of the ventilation grid, and the lifting grid and the ventilation grid are kept airtight.

[0009] Preferably, the upper end of the conversion shell is provided with an upper cover, and the upper cover is airtightly connected with the conversion shell.

[0010] The utility model discloses the beneficial effect: simple structure, when the inside temperature of converter is too high, will automatically cut off power supply, and will close inside converter, carry out fireproof flame -retardant, and the practicality is strong, and the specific is as follows:

[0011] (1), the utility model discloses the hot melt block, when the charger normal use, the plug -in board is connected with the electricity connection clip, when the temperature of the electric plate is too high, the hot melt block of blocking it softens, melts, under the action of support spring, the electric plate is lifted, and the plug -in board slides along the electricity connection clip and separates with the electricity connection clip, and the electric plate is disconnected, thereby avoiding the electric plate fire.

[0012] (2), the utility model discloses the lifting grid, when the charger normal use, the ventilation grid and the lifting grid coincide, and the ventilation grid provides air exchange, when the temperature in the conversion shell is too high, and the electric plate is lifted by support spring, the electric plate drives the lifting grid to lift through the connecting rod, and the lifting grid is shielded in the gap of the ventilation grid, and the ventilation grid is closed, thereby forming the closed space in the conversion shell, and the air flow circulation is blocked to prevent fire. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0014] Figure 1 It is the whole schematic view of the utility model;

[0015] Figure 2 It is the sectional view of the utility model;

[0016] Figure 3 It is the enlarged view of A of the utility model;

[0017] Marked as in the drawing: 1, conversion shell;2, upper cover;3, electric plate;4, hot melt block;5, stabilizing column;6, wiring hole;7, ventilation grid;8, lifting grid;9, connecting rod;10, sleeve ring;11, support spring;12, electricity connection seat;13, plug -in board;14, electricity connection clip. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model;Obviously, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of the utility model protection.

[0019] In the description of the utility model, it needs to explain, the term "upper", "lower", "internal", "external", "top / bottom end" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only is for the convenience of describing the utility model and simplifying the description, and is not indicate or imply the device or element indicated must have a particular orientation, with a particular orientation structure and operation, therefore cannot be understood as the restriction of the utility model.

[0020] In the description of the utility model, it needs to explain, unless another explicit provision and limitation, the term "installation", "set with", "sleeve set / interfacing", "connection" and so on, should do broad sense understanding, for example "connection", can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the intercommunication of two elements inside.For the ordinary skilled person in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to the specific circumstances.

[0021] Now combined with the drawings of the specification, the structural characteristics of the utility model are described in detail.

[0022] Referring to Figures 1-2 A kind of anti-combustion battery car charging converter, including conversion shell 1, upper end opening of conversion shell 1 is equipped with upper cover 2, upper cover 2 is closely connected with conversion shell 1, conversion shell 1 bottom is fixedly provided with stabilizing column 5, stabilizing column 5 is equipped with electric board 3, electric board 3 is electric circuit board, cooling fan and so on, conversion shell 1 both sides are fixedly provided with ventilation grid 7, conversion shell 1 is slidably provided with lifting grid 8 at ventilation grid 7, the width of lifting grid 8 matches the grid width of ventilation grid 7, ventilation grid 7 is closed by lifting grid 8, connecting rod 9 is fixedly provided on lifting grid 8, connecting rod 9 is connected with electric board 3, lifting grid 8 is lifted by electric board 3.

[0023] Referring to Figures 1-3 Electric board 3 both sides are fixedly provided with electric seat 12, electric seat 12 is connected with the circuit of electric board 3, conversion shell 1 both sides are fixedly provided with wiring hole 6, the electric wire of charger is connected at wiring hole 6, wiring hole 6 is equipped with electric clamp 14 at one side in conversion shell 1, electric seat 12 is fixedly provided with insertion plate 13 at electric clamp 14, insertion plate 13 is slidably connected with electric clamp 14, after insertion plate 13 and electric clamp 14 are combined, circuit is connected, stabilizing column 5 is equipped with sleeve ring 10 below electric board 3, support spring 11 is equipped on stabilizing column 5 below sleeve ring 10, support spring 11 pushes and pushes on sleeve ring 10, provides the lifting force of electric board 3, conversion shell 1 is equipped with recess above electric board 3, recess is loaded with hot melt block 4, electric board 3 is pressed, hot melt block 4 is clamped into recess, electric board 3 can be pressed on hot melt block 4, if electric board 3 temperature is too high, hot melt block 4 melts and releases electric board 3, and power is disconnected.

[0024] Referring to Figures 2-3 , the heat melting block 4 is located above the electric plate 3, when the heat melting block 4 is pressed above the electric plate 3, the insertion plate 13 is clamped in the electric contact clamp 14, the electric contact clamp 14 is connected with the insertion plate 13 in circuit, the circuit connection at the converter is realized, when the heat melting block 4 presses the electric plate 3, the ventilation grid 7 is overlapped with the lifting grid 8, the supporting spring 11 is in compression state, when the heat melting block 4 melts, the lifting grid 8 is located at the grid of the ventilation grid 7, and the lifting grid 8 keeps closed with the ventilation grid 7, the closed space is formed in the conversion shell 1, and the airflow circulation is blocked.

[0025] The fireproof battery car charging converter has the advantages of simple structure, automatic power cut-off when the temperature in the converter is too high, internal sealing of the converter, fireproofing and flame retardation, high practicability and suitability for promotion.

[0026] Specifically in use, referring to Figures 1-3 , when the charger is normally used, the ventilation grid 7 is overlapped with the lifting grid 8, the airflow exchange is provided at the ventilation grid 7, the insertion plate 13 is connected with the electric contact clamp 14, when the temperature of the electric plate 3 is too high, the heat melting block 4 softens and melts, the electric plate 3 is lifted up under the action of the supporting spring 11, the insertion plate 13 slides up along the electric contact clamp 14 and is separated from the electric contact clamp 14, the electric plate 3 is cut off, when the electric plate 3 is lifted up by the supporting spring 11, the electric plate 3 drives the lifting grid 8 to lift up through the connecting rod 9, the lifting grid 8 is shielded at the gap of the ventilation grid 7, the ventilation grid 7 is closed, the closed space is formed in the conversion shell 1, and the airflow circulation is blocked to prevent fire.

[0027] The preferred embodiments of the utility model are described above only, and are not used for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, still can modify the technical scheme recorded in foregoing each embodiment, or equivalent replacement is carried out to part technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be contained in the protection scope of the utility model.

Claims

1. A fireproof electric vehicle battery charging converter comprising a conversion housing (1), characterized in that, The conversion shell (1) bottom is fixedly provided with a stabilizing column (5), the stabilizing column (5) is sleeved with an electric plate (3), both sides of the conversion shell (1) are fixedly provided with a ventilation grid (7), the conversion shell (1) is slidably provided with a lifting grid (8) at the ventilation grid (7), the width of the lifting grid (8) matches the grid width of the ventilation grid (7), the lifting grid (8) is fixedly provided with a connecting rod (9), the connecting rod (9) is connected with the electric plate (3); Both sides of the electric plate (3) are fixedly provided with an electricity receiving seat (12), the electricity receiving seat (12) is connected with the circuit of the electric plate (3), both sides of the conversion shell (1) are fixedly provided with a wiring hole (6), the wiring hole (6) is provided with an electricity receiving clamp (14) on one side in the conversion shell (1), the electricity receiving seat (12) is fixedly provided with an insertion plate (13) corresponding to the electricity receiving clamp (14), the insertion plate (13) is slidably connected with the electricity receiving clamp (14), the stabilizing column (5) is sleeved with a sleeve ring (10) below the electric plate (3), the sleeve ring (10) is provided with a supporting spring (11) sleeved on the stabilizing column (5) below, the conversion shell (1) is provided with a recess above the electric plate (3), the recess is clamped with a hot melting block (4).

2. The fireproof battery vehicle charging converter according to claim 1, wherein, The electricity receiving clamp (14) penetrates up and down, the hot melting block (4) is above the electric plate (3), when the hot melting block (4) is pressed above the electric plate (3), the insertion plate (13) is clamped in the electricity receiving clamp (14), the electricity receiving clamp (14) is connected with the circuit of the insertion plate (13).

3. The fireproof battery vehicle charging converter according to claim 1, wherein, When the hot melting block (4) presses the electric plate (3), the ventilation grid (7) coincides with the lifting grid (8), the supporting spring (11) is in a compressed state, when the hot melting block (4) melts, the lifting grid (8) is located at the grid of the ventilation grid (7), and the lifting grid (8) keeps closed with the ventilation grid (7).

4. The fireproof battery vehicle charging converter according to claim 1, wherein, The upper end of the conversion shell (1) is provided with an upper cover (2), the upper cover (2) is closed and connected with the conversion shell (1).