Automobile charger with current monitoring function

Abstract

The utility model discloses an automobile charger with a current monitoring function. The automobile charger comprises a charger body, a charger shell is sleeved outside the charger body, a current monitoring unit is arranged in the charger body, a connecting port is arranged on the outer end side of the charger body, a clearance space is arranged between the charger shell and the charger body, and the charger body is provided with a heat dissipation structure. A plurality of shunting strips are arranged on the inner side face of the charger shell in a protruding mode and are evenly arranged at intervals. The surface of the charger body is provided with a plurality of heat dissipation rods inserted into the charger body. The outer end of the heat dissipation rod is located in the middle of the four adjacent shunting strips. Air flow of the charger is dispersed in four directions and then is in uniform contact with the heat dissipation rod, the heat dissipation rod is directly inserted into the charger body and is made of a high-heat-conduction heat dissipation material, and the heat dissipation rod can rapidly enter the charger body for heat dissipation; since the internal parts of the charger body are not in direct contact with the air flow, high-efficiency heat dissipation is realized, weathering and aging are not easy to occur, and the charger is more durable and stable.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of vehicle charger, specifically relates to a car charger with current monitoring. BACKGROUND

[0002] The new energy automobile vehicle charger is a kind of power conversion device installed in the electric vehicle, and its main function is to convert the alternating current of public power grid into direct current, to charge the power battery pack of electric vehicle.The vehicle charger usually adopts high-frequency switching power supply technology, which can convert 220V alternating current into high-voltage direct current to ensure the normal driving of vehicle.

[0003] With the development of charging technology, the charging power is also higher and higher, and the corresponding safety risk is also increasing, in order to reduce the security risk, it is very important to monitor the voltage, current, temperature and other data during charging, and high temperature will be generated during charging, which will affect the safety of charging if it cannot be dissipated in time;Therefore, the Chinese patent document with publication number CN222280764U discloses a data transmission detection device of vehicle charger, which monitors the voltage, current, temperature and other key parameters of battery in real time through the design of voltage and current detection module, temperature sensor and smoke sensor, to ensure the accuracy of data;The dust-proof ventilation assembly for ventilation and heat dissipation is arranged at the open end of the shell to dissipate heat.

[0004] But the above-mentioned vehicle charger has the following problems;Air flow is brought by heat dissipation fan for heat dissipation, since the fan is directly located in the same space with internal charger internal parts, although filter screen is arranged, but when used for a long time, internal parts are still easy to enter dust;And direct contact with air flow causes internal parts to age quickly. Utility model content

[0005] The utility model provides a kind of car charger with current monitoring, air flow of the charger will be dispersed in four directions, then uniformly contact with heat dissipation bar, heat dissipation bar is directly inserted into the inside of charger body, which is high-thermal-conductivity heat dissipation material, can quickly give to charger body for heat dissipation;Since charger body internal parts are not directly contacted with air flow, high-efficiency heat dissipation is realized, and weathering aging is not easy, more durable and stable, to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of car charger with current monitoring, including charger body, the charger body is sheathed with charger shell, current monitoring unit is equipped in the charger body, and connection port is equipped at outer end side, gap space is equipped between the charger shell and the charger body, and the charger body is equipped with heat dissipation structure.

[0007] Preferably, the heat dissipation structure comprises a filter screen located at one side of the charger body, a mounting cavity is arranged between the filter screen and the charger body, and an electric fan is mounted in the mounting cavity, and the electric fan is provided with an external circuit.

[0008] Preferably, support rings are fixed on both sides of the gap space between the charger shell and the charger body, and the support rings are uniformly provided with ventilation mesh holes.

[0009] Preferably, the inner side of the charger shell is provided with a plurality of shunt strips, and the shunt strips are uniformly and spacedly arranged.

[0010] Preferably, the shunt strips are arranged in multiple rows and multiple columns, and the shunt strips are arranged in a zigzag shape in one row.

[0011] Preferably, the shunt strips are arranged in a zigzag shape in one column.

[0012] Preferably, the surface of the charger body is provided with a plurality of heat dissipation rods inserted therein.

[0013] Preferably, the outer ends of the heat dissipation rods are located in the middle of four adjacent shunt strips.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. The air flow is dispersed in four directions and then uniformly contacts the heat dissipation rods, the heat dissipation rods are directly inserted into the charger body and are made of high-thermal-conductivity heat dissipation material, and the charger body can be quickly cooled.

[0016] 2. Since the internal parts of the charger body are not directly in contact with the air flow, the charger body is not easy to be weathered and aged, and is more durable and stable. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a front view of the sectional structure of the utility model;

[0018] Fig. 2 It is a side view of the support ring of the utility model;

[0019] Fig. 3 It is a local structure diagram of the charger shell and the shunt strip of the utility model.

[0020] In the drawing: 1, charger body; 2, charger shell; 3, current monitoring unit; 4, connection port; 5, gap space; 6, filter screen; 7, electric fan; 8, support ring; 9, ventilation mesh hole; 10, shunt strip; 11, heat dissipation rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] Please refer to Figs. 1-3 The utility model provides a kind of automobile charger with current monitoring, including charger body 1, the charger body 1 is sheathed with charger shell 2, current monitoring unit 3 is equipped in the charger body 1, and is equipped with connection port 4 at outer end side, gap space 5 is equipped between the charger shell 2 with the charger body 1, the charger body 1 is equipped with heat dissipation structure;When using, heat dissipation structure drives air flow to enter gap space 5, quickly to charger body 1 inside is given to heat dissipation, then air flow is discharged from the other side, since charger body 1 internal parts are not directly contacted with air flow, while realizing high efficiency heat dissipation, it is not easy to weathering aging, more durable and stable.

[0023] Specifically, the heat dissipation structure includes filter screen 6 located at one side of the charger body 1, an installation cavity is provided between the filter screen 6 and the charger body 1, and an electric fan 7 is installed in the installation cavity, and the electric fan 7 is provided with an external circuit.

[0024] Specifically, the gap space 5 between the charger shell 2 and the charger body 1 is fixed with a support ring 8 on both sides, and the support ring 8 is uniformly covered with ventilation mesh holes 9.

[0025] Specifically, the inner side of the charger shell 2 is provided with a plurality of shunt bars 10, and the shunt bars 10 are uniformly and spacedly arranged.

[0026] Specifically, the shunt bars 10 are spaced into multiple rows and multiple columns, and the shunt bars 10 are distributed in a zigzag shape on a row.

[0027] Specifically, the shunt strip 10 is in a zigzag type on a row; in this embodiment, the air flow is blocked when flowing in the longitudinal direction, and is shunted to the gaps on the two sides in the transverse direction, thereby achieving high-efficiency four-way shunting.

[0028] Specifically, the charger body 1 is provided with a plurality of heat dissipation rods 11 inserted therein; in this embodiment, the air flow is dispersed in four directions, and then uniformly contacts the heat dissipation rods 11; the heat dissipation rods 11 are directly inserted into the charger body 1 and are made of high-thermal-conductivity heat dissipation material, so that the charger body 1 can be quickly cooled.

[0029] Specifically, the outer end of the heat dissipation rod 11 is located in the middle of four adjacent shunt strips 10; in this embodiment, the air flow shunted in four directions further contacts the heat dissipation rods 11, thereby achieving high-efficiency heat dissipation.

[0030] In order to facilitate the understanding of the above technical solutions of the utility model, the working principle or operation mode of the utility model in the actual process is described in detail below.

[0031] Working principle: in use, the charger body is connected to an external device through the connecting port 4 for charging, and the current is monitored by the current monitoring unit 3 during the charging; at the same time, the electric fan 7 is connected to an external circuit, and after being started, the electric fan 7 drives the air flow to pass through the filter screen 6, and then enters the gap space 5 between the charger body 1 and the charger shell 2 through the plurality of ventilation holes 9 of the support ring 8, and then is shunted by the plurality of shunt strips 10; since the shunt strips 10 are spaced into multiple rows and multiple columns, the shunt strips 10 are in a zigzag type on a row, and the shunt strips 10 are in a zigzag type on a column, so that the air flow is dispersed in four directions, and then uniformly contacts the heat dissipation rods 11; the heat dissipation rods 11 are directly inserted into the charger body 1 and are made of high-thermal-conductivity heat dissipation material, so that the charger body 1 can be quickly cooled, and then the air flow flows out through the ventilation holes 9 on the other side; at the same time, since the internal parts of the charger body 1 are not directly in contact with the air flow, high-efficiency heat dissipation is achieved, and the charger body 1 is not easy to weather and age, and is more durable and stable.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A car charger with current monitoring, comprising a charger body (1), characterized in that, The charger body (1) is sleeved with a charger shell (2), the charger body (1) is internally provided with a current monitoring unit (3), and is externally provided with a connecting port (4), a gap space (5) is arranged between the charger shell (2) and the charger body (1), and the charger body (1) is provided with a heat dissipation structure.

2. The automobile charger with current monitoring according to claim 1, characterized in that, The heat dissipation structure comprises a filter screen (6) located on one side of the charger body (1), a mounting cavity is arranged between the filter screen (6) and the charger body (1), and an electric fan (7) is mounted in the mounting cavity, and the electric fan (7) is provided with an external line.

3. The automotive charger with current monitoring according to claim 2, characterized in that, The gap space (5) between the charger shell (2) and the charger body (1) is fixed with a support ring (8) on both sides, and the support ring (8) is uniformly covered with ventilation mesh holes (9).

4. The automotive charger with current monitoring according to claim 1, wherein, The inner side of the charger shell (2) is provided with a plurality of shunt strips (10), and the shunt strips (10) are uniformly and spacedly arranged.

5. The automotive charger with current monitoring according to claim 4, characterized in that, The shunt strips (10) are spaced into multiple rows and multiple columns, and the shunt strips (10) are distributed in a wave type on a row.

6. The automotive charger with current monitoring according to claim 5, characterized in that, The shunt strips (10) are distributed in a wave type on a column.

7. The automotive charger with current monitoring according to claim 6, characterized in that, The surface of the charger body (1) is provided with a plurality of heat dissipation rods (11) inserted therein.

8. The automotive charger with current monitoring according to claim 7, characterized in that, The outer end of the heat dissipation rod (11) is located in the middle of four adjacent shunt strips (10).

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