CN212073699U

CN212073699U - One-to-many charger

Info

Publication number: CN212073699U
Application number: CN202020363001.3U
Authority: CN
Inventors: 李宝宝; 张奎
Original assignee: Chongqing Beidou Jiean New Energy Technology Co ltd
Current assignee: Chongqing Beidou Jiean New Energy Technology Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-12-04
Anticipated expiration: 2030-03-20

Abstract

The utility model discloses a one-to-many charger, include base, top cap, circuit board and be used for the installation the limiting plate of circuit board, the inside installation that is used for of base is used for the installation cavity of limiting plate, the top cap is installed on the base top, the bottom face of base and the top face of top cap all are through attacking screw fixedly connected with heat-conducting plate, the heat-conducting plate is parallel relatively and is equipped with two sets ofly, the first bayonet socket that is used for holding the power cord is offered to base one end, the second bayonet socket that is used for holding the charging wire is offered to the one end that first bayonet socket was kept away from to the base, second bayonet socket, charging wire all are equipped with two sets ofly, the one end fixedly connected with charging head that the second bayonet socket was kept away from to the charging wire, the limiting. This one-to-many charger, reasonable in design, convenient to use to can satisfy people's user demand.

Description

One-to-many charger

Technical Field

The utility model belongs to the technical field of the electric vehicle charging ware, concretely relates to one-to-many charger.

Background

The electric vehicle charger is a charging device specially configured for a storage battery of an electric bicycle. Classification of chargers: the transformer can be divided into two categories by using a transformer with or without power frequency (50 Hz).

The existing electric vehicle charger can only charge one battery once, if a plurality of batteries need to be charged, a plurality of chargers or one charger can only be configured to sequentially charge a plurality of groups of batteries one by one, the problem of high purchase cost of the charger can be caused by the configuration of the plurality of chargers, the charging head needs to be manually pulled out from the fully charged battery after the plurality of groups of batteries are sequentially charged, the next battery needing to be charged is switched to, and the problem of complex operation exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a one-to-many charger to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a one-to-many charger comprises a base, a top cover, a circuit board and a limiting plate for mounting the circuit board, wherein a mounting cavity for mounting the limiting plate is arranged in the base;

one end of the base is provided with a first bayonet for accommodating a power line, one end of the base, which is far away from the first bayonet, is provided with a second bayonet for accommodating charging wires, two groups of charging wires and two groups of second bayonets are arranged, and one end of each charging wire, which is far away from the second bayonet, is fixedly connected with a charging head;

the limiting plate upper end face has the mounting groove that is used for holding the circuit board, the louvre has been seted up to mounting groove bottom inner wall, the louvre is located the circuit board under.

Preferably, still be equipped with the stopper in the mounting groove, the stopper is equipped with four groups at least, the louvre is located four groups between the stopper, the stopper bottom mounting is glued on mounting groove bottom inner wall.

Preferably, the heat-conducting plate is kept away from the equal fixedly connected with fin in one side of base, top cap, the fin equidistance is equipped with the multiunit, and is adjacent two sets of be equipped with heat dissipation channel between the fin, heat dissipation channel is equipped with the multiunit, heat dissipation channel and fin interval set up.

Preferably, the lower end face of the limiting plate is fixedly connected with supporting plates at the positions of the two ends, the two groups of supporting plates are arranged in parallel relatively, a group of heat dissipation channels are arranged between the two groups of supporting plates, and the heat dissipation channels are communicated with the heat dissipation holes.

Preferably, the circuit board is respectively and fixedly connected with the limiting block and the limiting plate through tapping screws, and a switching power supply is installed on the upper end face of the circuit board.

Preferably, base, top cap are the cuboid structure, the inside accommodation space that has of top cap, top cap from the top down lock is on the base, the mounting hole that is used for holding the screw of attacking is all offered to top cap up end four corners department, base up end four corners department be located the mounting hole position seted up with attack screw assorted screw hole.

The utility model discloses a technological effect and advantage: this a to many chargers, the heat-conducting plate is the metal material, the metal material has the advantage that the heat conduction effect is good, the head that charges is equipped with two sets ofly, two sets of heads that charge are inserted respectively on two sets of independent batteries, thereby make this charger can charge for two sets of independent batteries simultaneously, the louvre thereby the circuit board of being convenient for dispels the heat, the stopper is the rubber material, design through the stopper, can enough prescribe a limit to the position of circuit board, can avoid the direct and limiting plate contact of circuit board again simultaneously, thereby the circuit board of being convenient for dispels the heat, be located the heat dissipation channel between adjacent two sets of fin, the fin of being convenient for dispels the heat, and then can improve the radiating efficiency of this charger, this a to many chargers, and.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a perspective view of the base of the present invention;

fig. 3 is a perspective view of the limiting plate of the present invention;

fig. 4 is a circuit block diagram of the present invention.

In the figure: 1 base, 2 power cords, 3 heat dissipation channel, 4 tap screw, 5 top caps, 6 mounting holes, 7 heat-conducting plates, 8 fin, 9 screw holes, 10 installation cavity, 11 first bayonet sockets, 12 circuit boards, 13 limiting plates, 14 second bayonet sockets, 15 mounting grooves, 16 heat dissipation holes, 17 stopper, 18 backup pads, 19 charging wires, 20 head that charges.

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.

The utility model provides a one-to-many charger as shown in fig. 1-4, including base 1, top cap 5, circuit board 12 and be used for installing limiting plate 13 of circuit board 12, base 1 is inside to be equipped with and is used for installing limiting plate 13's installation cavity 10, base 1 top is installed top cap 5, base 1's bottom face and top face of top cap 5 all are through attacking screw 4 fixedly connected with heat-conducting plate 7, heat-conducting plate 7 is the relative parallel two sets that are equipped with, and heat-conducting plate 7 is the metal material, and the metal material has the advantage that the heat conduction is effectual;

a first bayonet 11 for accommodating a power line 2 is formed in one end of the base 1, a second bayonet 14 for accommodating a charging wire 19 is formed in one end, away from the first bayonet 11, of the base 1, two groups of charging wires are arranged on the second bayonet 14, one end, away from the second bayonet 14, of the charging wire 19 is fixedly connected with two groups of charging heads 20, the two groups of charging heads 20 are arranged on the two groups of independent batteries, and the two groups of charging heads 20 are respectively inserted into the two groups of independent batteries, so that the charger can simultaneously charge the two groups of independent batteries;

limiting plate 13 upper end face has the mounting groove 15 that is used for holding circuit board 12, mounting groove 15 bottom inner wall has seted up louvre 16, louvre 16 is located circuit board 12 under, thereby louvre 16 is convenient for circuit board 12 to dispel the heat.

Specifically, still be equipped with stopper 17 in mounting groove 15, stopper 17 is equipped with four groups at least, louvre 16 is located four groups between the stopper 17, stopper 17 bottom mounting is sticky on 15 bottom inner walls of mounting groove, and stopper 17 is the rubber material, and design through stopper 17 can enough prescribe a limit to the position of circuit board 12, can avoid circuit board 12 directly to contact with limiting plate 13 again simultaneously to the circuit board 12 of being convenient for dispels the heat.

Specifically, the heat-conducting plate 7 is kept away from equal fixedly connected with fin 8 in one side of base 1, top cap 5, fin 8 equidistance is equipped with the multiunit, and is adjacent two sets of be equipped with heat dissipation channel 3 between the fin 8, heat dissipation channel 3 is equipped with the multiunit, heat dissipation channel 3 sets up with fin 8 interval, is located heat dissipation channel 3 between adjacent two sets of fin 8, and the fin 8 of being convenient for dispels the heat.

Specifically, the lower end surface of the limiting plate 13 is fixedly connected with supporting plates 18 at two ends, the supporting plates 18 are arranged in two groups in parallel, a group of heat dissipation channels 3 are arranged between the two groups of supporting plates 18, and the heat dissipation channels 3 are communicated with the heat dissipation holes 16.

Specifically, the circuit board 12 is respectively fixedly connected with the limiting block 17 and the limiting plate 13 through the tapping screw 4, a switch power supply is installed on the upper end face of the circuit board 12, an alternating current input circuit, a rectifying circuit, a constant voltage and constant current charging control module and a sampling circuit are further installed on the circuit board 12, the power line 2 is electrically connected with the alternating current input circuit, the alternating current input circuit is electrically connected with the rectifying circuit, the rectifying circuit is electrically connected with the switch power supply, the switch power supply is respectively electrically connected with the sampling circuit and two groups of charging wires 19, the charging wires 19 are electrically connected with the battery through a charging head 20, the charging head 20 is inserted on the battery, the sampling circuit is electrically connected with the constant voltage and constant current charging control module, and the constant voltage.

Specifically, base 1, top cap 5 are the cuboid structure, top cap 5 is inside to have an accommodation space, top cap 5 from the top down lock is on base 1, 5 up end four corners punishment of top cap all offer the mounting hole 6 that is used for holding into screw 4, 1 up end four corners punishment of base lie in the mounting hole 6 position seted up with attack 4 assorted screw holes 9 of screw, attack screw 4 from the top down and pass mounting hole 6 and base 1 threaded connection to make top cap 5 can fixed mounting on base 1.

The working principle is as follows: in the one-to-many charger, one end of a power line 2, which is far away from a base 1, is inserted into a power socket, then a charging wire 19 is electrically connected with a battery to be charged through a charging head 20, and two groups of charging heads 20 are respectively inserted into two groups of independent batteries;

a. when the battery voltage reaches (the single battery voltage reaches 4.0V or the module voltage reaches 4.0 x n; n is the number of the monomers connected with the battery module in series), the charger circularly charges for 1 hour according to each charging head 20 and carries out constant current charging according to rated current until the battery voltage reaches (the single battery voltage reaches 4.0V or the module voltage reaches 4.0 x n; n is the number of the monomers connected with the battery module in series);

b. when the battery voltage exceeds (the single battery voltage reaches 4.0V or the module voltage reaches 4.0 x n; n is the number of the single batteries connected in series with the battery module), the charger performs trickle charging in each charging head 20 cycle until the battery is fully charged; this charger closes charging head 20 to the battery that is full of the electricity, continues trickle to other batteries and charges until the battery is full of, this one-to-many charger, reasonable in design, convenient to use to can satisfy people's user demand.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a one-to-many charger, includes base (1), top cap (5), circuit board (12) and is used for installing limiting plate (13) of circuit board (12), its characterized in that: the mounting cavity (10) for mounting the limiting plate (13) is formed in the base (1), the top cover (5) is mounted at the top end of the base (1), the bottom end face of the base (1) and the top end face of the top cover (5) are fixedly connected with heat-conducting plates (7) through tapping screws (4), and the heat-conducting plates (7) are arranged in two groups in parallel;

a first bayonet (11) used for accommodating a power line (2) is formed in one end of the base (1), a second bayonet (14) used for accommodating a charging wire (19) is formed in one end, away from the first bayonet (11), of the base (1), two groups of charging wires (19) are arranged in the second bayonet (14), and a charging head (20) is fixedly connected to one end, away from the second bayonet (14), of the charging wire (19);

limiting plate (13) up end has and is used for holding mounting groove (15) of circuit board (12), louvre (16) have been seted up to mounting groove (15) bottom inner wall, louvre (16) are located circuit board (12) under.

2. The one-to-many charger of claim 1, wherein: still be equipped with stopper (17) in mounting groove (15), stopper (17) are equipped with four groups at least, louvre (16) are located four groups between stopper (17), stopper (17) bottom mounting is glued on mounting groove (15) bottom inner wall.

3. The one-to-many charger of claim 1, wherein: keep away from heat-conducting plate (7) equal fixedly connected with fin (8) in one side of base (1), top cap (5), fin (8) equidistance is equipped with the multiunit, and is adjacent two sets of be equipped with heat dissipation channel (3) between fin (8), heat dissipation channel (3) are equipped with the multiunit, heat dissipation channel (3) and fin (8) interval set up.

4. The one-to-many charger of claim 1, wherein: the lower end face of the limiting plate (13) is fixedly connected with supporting plates (18) at the positions of two ends, the supporting plates (18) are arranged in two groups in parallel relatively, a group of heat dissipation channels (3) are arranged between the two groups of supporting plates (18), and the heat dissipation channels (3) are communicated with heat dissipation holes (16).

5. The one-to-many charger of claim 1, wherein: the circuit board (12) is fixedly connected with the limiting block (17) and the limiting plate (13) through the tapping screw (4), and the switching power supply is installed on the upper end face of the circuit board (12).

6. The one-to-many charger of claim 1, wherein: base (1), top cap (5) are the cuboid structure, top cap (5) inside has an accommodation space, top cap (5) from the top down lock is on base (1), mounting hole (6) that are used for holding attack screw (4) are all offered to top cap (5) up end four corners department, base (1) up end four corners department be located mounting hole (6) position seted up with attack screw (4) assorted screw hole (9).