CN213990218U - Intelligent charger with automatic power-off and overcharge-preventing functions - Google Patents

Abstract

The utility model relates to the technical field of chargers, a intelligent charger with automatic power-off prevents overcharging function is disclosed, which comprises a housin, an upper cover, power socket, interface and radiator fan charge, the upper end of casing is located through screw detachable lid to the upper cover, power socket sets up on the back of the body lateral wall of casing, the interface that charges sets up on the front end wall of casing, the rear end wall of casing is equipped with a plurality of fan air outlets, radiator fan is located the inboard setting of fan air outlet respectively, the front end wall of casing is equipped with a plurality of fresh air inlets, be equipped with main control chip and the power module and the charging circuit module of being connected with the main control chip electricity in the casing, and power socket, interface and radiator fan charge equally divide and do not be connected with the main control chip electricity. The technical scheme of the utility model can make the charger have the function of preventing the overcharge protection, and heat dispersion is high, effectively avoids using the too fast problem of temperature rise in the casing for a long time, and the practicality is strong.

Description

Intelligent charger with automatic power-off and overcharge-preventing functions

Technical Field

The utility model relates to a charger technical field, in particular to intelligent charging ware with automatic power-off prevents overcharging function.

Background

The lithium battery charger is a charger specially used for charging the lithium ion battery, and the lithium ion battery has higher requirement on the charger and needs a protection circuit, so the lithium battery charger generally needs higher control precision and can carry out constant-current and constant-voltage charging on the lithium ion battery.

However, most of the existing lithium ion battery chargers are single in function, not intelligent enough, not ideal in heat dissipation performance, and prone to affecting the performance stability and service life of the charger.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an intelligent charging ware with automatic power-off prevents overcharging function aims at solving current lithium ion battery charger function comparatively single, and is intelligent inadequately, and heat dispersion ideal inadequately, influences the stability of performance and the technical problem of life of charger easily.

In order to achieve the above object, the utility model provides an intelligent charging ware with automatic power-off prevents overcharging function, including casing, upper cover, supply socket, the interface and radiator fan charge, the upper cover is located through screw detachable lid the upper end of casing, supply socket set up in on the back of the body lateral wall of casing, charge the interface set up in on the front end wall of casing, the rear end wall of casing is equipped with a plurality of fan air outlets, radiator fan is located respectively the inboard of fan air outlet sets up, the front end wall of casing is equipped with a plurality of fresh air inlets, be equipped with main control chip in the casing and with power module and charging circuit module that the main control chip electricity is connected, just supply socket, the interface and radiator fan that charge equally divide do not with the main control chip electricity is connected.

Further, the main control chip adopts an SL1053 chip.

Further, still include LED state of charge pilot lamp, LED state of charge pilot lamp inlays respectively to be located on the front end wall of casing, just LED state of charge pilot lamp equally divide respectively with the main control chip electricity is connected.

Further, still include fuse and fuse seat, fuse seat detachable revolve in on the rear end wall of casing, the fuse inlays to be located the inboard setting of fuse seat, just the fuse with the interface series connection electricity that charges is connected.

Further, the number of the heat radiation fans is two.

Further, still include the handle, the handle is the setting of U-shaped structure, just the both ends of handle are equallyd divide respectively with the upper end wall of upper cover rotates to be connected.

Further, the fan air outlet protection device further comprises protection nets, wherein the protection nets are respectively arranged on the outer side walls of the fan air outlet.

Furthermore, the shell and the upper cover are both made of aluminum alloy materials.

Adopt the technical scheme of the utility model, following beneficial effect has: the technical proposal of the utility model is that the upper cover is arranged at the upper end part of the shell through the detachable screw cover, the power socket is arranged on the back side wall of the shell, the charging interface is arranged on the front end wall of the shell, the rear end wall of the shell is provided with a plurality of fan air outlets, the cooling fan is respectively arranged at the inner sides of the fan air outlets, the front end wall of the shell is provided with a plurality of air inlet holes, the shell is internally provided with a main control chip, a power module and a charging circuit module which are electrically connected with the main control chip, and the power socket, the charging interface and the cooling fan are respectively and electrically connected with the main control chip, through the built-in high-precision sampling circuit of the main control chip, the voltage judgment precision is high, the charging saturation is high, the lithium ion battery has a plurality of fault protection functions, the reverse leakage current is small, thereby reach the purpose of preventing the overcharge protection, and heat dispersion is high, effectively avoids long-time use casing internal temperature to rise too fast problem, and the practicality is strong.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic diagram of an overall structure of an intelligent charger with an automatic power-off and overcharge-preventing function according to an embodiment of the present invention;

fig. 2 is a schematic view of another view angle of the intelligent charger with automatic power-off and overcharge-preventing functions according to an embodiment of the present invention;

fig. 3 is a schematic view of an exploded structure of an intelligent charger with an automatic power-off and overcharge-preventing function according to an embodiment of the present invention.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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 efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides an intelligent charger with automatic power-off prevents overcharging function.

As shown in fig. 1 to 3, in an embodiment of the present invention, the intelligent charger with automatic power off and overcharge prevention function includes a casing 101, an upper cover 102, a power socket 103, a charging interface 104 and a heat dissipation fan 105, wherein the upper cover 102 is disposed at an upper end of the casing 101 through a screw detachable cover, the power socket 103 is disposed on a back side wall of the casing 101, the charging interface 104 is disposed on a front end wall of the casing 101, a rear end wall of the casing 101 is disposed with a plurality of fan outlets 106, the heat dissipation fan 105 is disposed at an inner side of the fan outlets 106, the front end wall of the casing 101 is disposed with a plurality of air inlets 107, a main control chip (not shown) and a power module 108 and a charging circuit module (not shown) electrically connected to the main control chip are disposed in the casing 101, and the power socket 103, The charging interface 104 and the heat dissipation fan 105 are electrically connected with the main control chip respectively.

Specifically, the main control chip adopts an SL1053 chip, the SL1053 chip integrates the performances of high-precision pre-charging, constant-current charging, constant-voltage charging, battery state detection, temperature monitoring, low leakage after charging, charging state indication and the like, and the charging state is determined by detecting the battery voltage: pre-charging, constant current charging and constant voltage charging. When the battery voltage is less than the threshold voltage vo (min), the battery is in a pre-charge state, and the battery is charged with a small current, and the pre-charge current can be adjusted through an external resistor. After pre-charging to bring the battery voltage to vo (min), a fast charge state of constant current charging is entered, where the charging current is regulated by a peripheral resistor, and the constant current charging raises the battery voltage to a constant voltage charging voltage vo (reg) (typically 4.2V). And then entering a constant voltage charging state, wherein the precision of the charging voltage is better than +/-1%, and in the state, the charging current is gradually reduced, and after the charging current is smaller than a threshold value, the charging is finished, so that the purpose of anti-overcharging protection is achieved.

After the charging is finished, the battery voltage is always monitored, and when the battery voltage is smaller than a threshold value VO (RCH), the battery is recharged, and a next charging period is started. For safety, the SL1053 monitors the battery temperature using the thermistor inside the battery and appropriate peripheral resistors throughout the charging process, allowing the battery temperature to be controlled within user-set limits.

Specifically, still include LED charge status indicator 109, LED charge status indicator 109 inlays respectively and locates on the front end wall of casing 101, just LED charge status indicator 109 all respectively with main control chip electricity is connected.

Specifically, the charging device further comprises a fuse (not shown) and a fuse holder 110, wherein the fuse holder 110 is detachably screwed on the rear end wall of the housing 101, the fuse is embedded in the inner side of the fuse holder 110, and the fuse is electrically connected with the charging interface 104 in series.

Specifically, the heat dissipation fans 105 are provided in two.

Specifically, still include handle 111, handle 111 is the setting of U-shaped structure, just the both ends of handle 111 are equallyd divide respectively with the upper end wall of upper cover 102 rotates and is connected for the charger conveniently removes.

Specifically, the fan air outlet further comprises protective nets 112, and the protective nets 112 are respectively disposed on outer side walls of the fan air outlet 106.

Specifically, the housing 101 and the upper cover 102 are both made of aluminum alloy, so that the charger is firm and durable, the service life of the charger is prolonged, the heat conductivity is high, and the heat dissipation performance of the charger is further improved.

Specifically, the utility model discloses a top cover is located the upper end of casing through screw detachable lid, power socket sets up on the back side wall of casing, the interface that charges sets up on the front end wall of casing, the rear end wall of casing is equipped with a plurality of fan air outlets, radiator fan is located the inboard setting of fan air outlet respectively, the front end wall of casing is equipped with a plurality of fresh air inlets, be equipped with main control chip and power module and the charging circuit module of being connected with the main control chip electricity in the casing, and power socket, the interface that charges and radiator fan equally divide and do not be connected with the main control chip electricity, through the built-in high accuracy sampling circuit of main control chip, voltage judgement precision is high, charge saturation is high, have multiple fault protection function, reverse leakage current is little, with different external circuit cooperations, can satisfy lithium ion battery's charging requirement completely, can close the charger completely after thoroughly filling up, thereby reach the purpose of preventing the overcharge protection, and heat dispersion is high, effectively avoids long-time use casing internal temperature to rise too fast problem, and the practicality is strong.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims (8)

1. The utility model provides an intelligent charging ware with automatic power-off prevents overcharging function, a serial communication port, including casing, upper cover, supply socket, the interface and radiator fan charge, the upper cover is located through screw detachable lid the upper end of casing, supply socket set up in on the back of the body lateral wall of casing, the interface that charges set up in on the front end wall of casing, the rear end wall of casing is equipped with a plurality of fan air outlets, radiator fan is located respectively fan air outlet's inboard setting, the front end wall of casing is equipped with a plurality of fresh air inlets, be equipped with main control chip in the casing and with power module and charging circuit module that main control chip electricity is connected, just supply socket, the interface and radiator fan that charge equally divide do not with the main control chip electricity is connected.

2. The intelligent charger with the automatic power-off and overcharge-preventing function of claim 1, wherein the main control chip adopts a SL1053 chip.

3. The intelligent charger according to claim 1, further comprising LED charging status indicators embedded in the front end wall of the housing, respectively, and electrically connected to the main control chip.

4. The intelligent charger according to claim 1, further comprising a fuse and a fuse holder, wherein the fuse holder is detachably screwed on the rear end wall of the housing, the fuse is embedded in the inner side of the fuse holder, and the fuse is electrically connected in series with the charging interface.

5. A smart charger having an auto-power-off anti-overcharge function as claimed in claim 1, wherein there are two heat-dissipating fans.

6. The intelligent charger according to claim 1, further comprising a handle, wherein the handle is disposed in a U-shaped configuration, and two ends of the handle are rotatably connected to the upper end wall of the upper cover.

7. The intelligent charger with the automatic power-off and overcharge-preventing function according to claim 1, further comprising protective nets respectively disposed on outer sidewalls of the air outlet of the fan.

8. The intelligent charger with the automatic power-off and overcharge-preventing function of claim 1, wherein the housing and the upper cover are both formed of an aluminum alloy material.

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