CN200953371Y - battery charger - Google Patents

Abstract

A battery charger, comprising: the device comprises a throwing mechanism, a probe module and a storage mechanism, wherein the throwing mechanism is a platform provided with a clamp, the platform is movably pivoted on a transmission mechanism, the transmission mechanism is erected on another transmission mechanism, the platform is movably erected on two layers of vertically staggered transmission mechanisms, the storage mechanism is arranged below the throwing mechanism and consists of a plurality of storage grids, the platform is also provided with the probe module which comprises a plurality of probes, a detection circuit, a charging circuit and a control IC, the probes are densely arranged on a seat body, each probe is connected with the detection circuit and the charging circuit, and the detection circuit and the charging circuit are connected with the control IC; the battery is clamped by the throwing mechanism after being charged, the probe module is utilized to correctly detect the probe which is in contact with the negative electrode of the battery, and the voltage and the current which are to be supplemented are provided for the battery, so that the battery is charged more safely and accurately, and the throwing mechanism can throw the battery into the storage mechanism after the charging is finished.

Description

battery charger

technical field

The utility model relates to a battery charger, which is suitable for a charger or a similar structure for supplementing electric power of a portable lithium battery of various portable electronic products.

Background technique

With the rapid development of science and technology, the size of many electronic devices has been greatly reduced, which is convenient for individuals to carry and use. However, due to the different operating methods and design requirements of various brands, one brand and one battery type are formed.

Taking the current mobile phone as an example, the general mobile phone is equipped with a charger and two batteries to facilitate the user to store the power for replacement. When the user is indoors and the battery of the mobile phone is dead, it can be used with the attached charger to keep the battery fully charged for continued use. However, if the user forgets to replenish the battery and the user is in the When outdoors, once the battery is out of power, the mobile phone cannot search for information and be used.

In order to solve the above problems, there is a coin-operated battery charger, which allows users outdoors to replenish the battery power of mobile phones. However, although the battery charger can provide timely supplementary power requirements, the machine cannot Correctly judge the positive and negative poles of the battery. If the user inserts the battery in the wrong direction, danger will easily occur; moreover, when the input direction is correct and the battery is replenished, the battery immediately falls to the pick-up port, and the user It is the most important defect that it is necessary to stay close to the machine and wait for the battery to be charged, so that the fully charged battery will not be taken by others.

Contents of the invention

The main purpose of the utility model is to overcome the deficiencies and defects of the prior art, and propose a battery charger with more safety and precision.

The secondary purpose of this utility model is to propose a battery charger that can determine the terminals in contact with the positive/negative electrodes of the battery, and supply the power to be replenished to the battery only through the terminals in contact with the positive and negative electrodes.

In order to achieve the above purpose, the utility model provides a battery charger. The machine is equipped with a battery input port, a control panel, a coin slot and a pick-up port. The platform of the fixture, the platform is movable and pivoted on a transmission mechanism, and the transmission mechanism is erected on another transmission mechanism, so that the platform is movable and erected on the second-floor vertically interlaced transmission mechanism; a probe module is mainly equipped with multiple Probes, the probes are movably combined on a base, the base is arranged on the fixture of the above-mentioned throwing mechanism, each probe penetrates a sleeve with a perforation on the top, and a spring is placed on the probe. Below, the sleeve with probes and springs inside is combined with the base, each probe is connected in parallel with the detection circuit and the charging circuit, the detection circuit and the charging circuit are connected to the control IC, and the charging circuit is connected to the probe There is also a current protection circuit between the needles, the power supply is connected with the detection circuit, the control IC and the charging circuit to provide working energy; and a storage mechanism, which is composed of a plurality of storage cells, each connected to a movable hub Each base plate is controlled to be opened and closed by a switch, and the switch is connected to the control panel of the charging machine platform. A slope is provided below the storage mechanism, and the other end of the slope extends to the object extraction port.

Because the battery charger provided by the utility model includes: a throwing mechanism, a probe module and a storage mechanism, wherein the throwing mechanism is a platform provided with a clamp, and the platform is movably pivoted on a transmission mechanism, and the transmission mechanism then It is erected on another transmission mechanism, so that the platform is movably erected on the transmission mechanism that is vertically staggered on the second floor, and a storage mechanism is provided under the throwing structure, and the storage mechanism is composed of a plurality of storage compartments. There is a probe module, the probe module includes a plurality of probes, a detection circuit, a charging circuit and a control IC, the probes are densely arranged on the base, and each probe is connected to the detection The detection circuit and the charging circuit are connected, and the detection circuit and the charging circuit are connected to a control IC; therefore, when the battery is put in, it is sandwiched by the throwing mechanism, and the probe module is used to correctly detect the probe that is in contact with the negative electrode of the battery. At the same time, the probe module provides the voltage and current to be replenished by the battery, making battery charging more safe and accurate. After charging is completed, the throwing mechanism can throw the battery into the storage mechanism.

The battery charger of the utility model has the following practical advantages:

1. Through the detection circuit on the densely arranged probe module, it can be completely distinguished which probes are in contact with the positive electrode of the battery, which probes are in contact with the negative electrode of the battery, and which probes are empty and have no contact.

2. Through the precise detection of the detection circuit, the negative electrode of the battery can be correctly judged, so that when the charging circuit charges it, there will be no dangerous situations due to polarity reversal (such as explosion, circuit burnout, etc.), effectively preventing An accident happened.

Other characteristics and specific embodiments of the utility model can be further understood in the following detailed description with accompanying drawings.

Description of drawings

Fig. 1 is the three-dimensional appearance diagram of throwing mechanism of the present utility model;

Fig. 2 is a three-dimensional appearance view of the storage mechanism of the present invention;

Fig. 3 is an exploded view of an enlarged assembly of a single storage compartment of the present invention;

Fig. 4 is the three-dimensional appearance diagram of the probe module of the present invention;

Fig. 5 is the combined sectional view of single probe of the present invention;

Fig. 6 is the circuit block diagram of the utility model probe module;

Fig. 7 is a partial detailed circuit diagram of the utility model detection circuit;

Fig. 8 is a schematic diagram of the use of the embodiment of the utility model.

Explanation of symbols in the figure

1 throwing structure

10 Platform 101 Groove

11 L-shaped seat

111 Pressure plate 112 Gear

12 Motor 121 Motor shaft gear

13 Motor 131 Motor shaft gear

14 transmission mechanism

141 Convex Rail 142 Sawtooth Rail

143 Motor 144 Motor shaft gear

15 Transmission mechanism 151 Sawtooth track

3 probe module

30 Body 31 Probe

32 Sleeve 33 Spring

34 Detection circuit 35 Charging circuit

36 Control IC 37 Current protection circuit

40 power supply

5 storage mechanism

50 Storage compartment 51 Bottom plate

52 retractable switch

6 batteries

7 charging station

71 Battery inlet 72 Slope

73 Pick-up port 74 Control panel

Detailed ways

Please refer to Figures 1 to 5. The battery charger of the present invention is provided with a battery input port, a control panel, a coin slot and a pick-up port on the surface. The battery charger is equipped with: a throwing mechanism 1, a probe module 3 and the storage mechanism 5, the throwing structure 1 is located at the end position of the battery input port, and is mainly provided with a platform 10, a groove 101 is provided at the bottom of the platform 10, and an L-shaped seat 11 is movable and pivoted on the platform 10 And be fixed with two motors 12,13, the motor shafts of these two motors 12,13 are respectively combined with a motor shaft gear 121,131, and this L-shaped seat 11 is provided with a pressing plate 111 that can be lifted up and down, to form a clip for clamping. The fixture used is placed, and a gear 112 is connected to one side of the platform 10, and the gear 112 is meshed with the motor shaft gear 121 and is controlled by it; moreover, the platform 10 is stacked on the transmission mechanism 14, and the transmission mechanism 14 Assuming a board body with a step section, a convex rail 141 is provided on the top surface of the board body for fitting with the groove 101, and a sawtooth track 142 is provided on the top surface of the step section, and a motor is provided on both sides of the bottom of the board body 143, the motor shaft of the motor 143 is combined with a motor shaft gear 144, and the transmission mechanism 14 is straddled on another transmission mechanism 15, the transmission mechanism 15 is two parallel rod bodies, and the bottom edges of the two parallel rod bodies are provided with The sawtooth track 151 , and the sawtooth track 151 is meshed with the motor shaft gear 144 ; thus, the platform 10 can move forward, backward, left, and right in a two-dimensional plane on the two transmission mechanisms 14 , 15 .

The probe module 3 is mainly provided with a plurality of probes 31, the probes 31 are movably combined on the base 30, the base 30 is arranged on the above-mentioned L-shaped seat 11, and the probes 31 can be set as Needle-shaped or sheet-shaped, this embodiment takes sheet-shaped probes as an example to illustrate, please refer to Figure 6 at the same time, each probe 31 is inserted into a sleeve 32 with a perforation on the top, and a spring 33 is placed Below the probe 31, the sleeve 32 with the probe 31 and the spring 33 inside is combined with the base 30, and each probe 31 is connected in parallel with the detection circuit 34 and the charging circuit 35. The detection circuit 34 is connected with the control IC 36 with the charging circuit 35, and a current protection circuit 37 is additionally set up between the charging circuit 35 and the probe 31. The power supply 40 is connected with the detection circuit 34, the control IC 36 and the charging circuit 35. Provide its working energy.

Please also refer to FIG. 7 , the detection circuit 34 is mainly set up in conjunction with the number of probes 31. When the battery is in contact with the probe module 3, the control IC 36 drives the detection circuit 34 to detect and scan all the probes 31 to detect Detect which probe 31 is in contact with the battery electrode, and detect the voltage and current required by the battery. In addition, the detection circuit 34 can simultaneously detect which of the probes 31 is in contact with the positive/negative electrode of the battery.

The storage mechanism 5 is provided with a plurality of neatly arranged storage compartments 50, the bottom of each storage compartment 50 is hinged with a movable base plate 51, and each base plate 51 is opened and closed by a switch. In this embodiment The switch is set as telescopic rod switch 52, and this telescopic rod switch 52 is also connected to the control panel of charging machine platform, and the bottom of this storage compartment 50 bottom plate 51 is provided with a slope 72, and the other end of this slope 72 extends to the pick-up port.

Please refer to Fig. 8, when in use, at first select a certain storage cell 50 in the storage mechanism 5 through the control panel of the machine, and utilize the control panel to set the password for starting the telescopic rod switch 52 of the bottom plate 51 of the storage cell 50, and Charging time, when the setting is completed, you can put the coin into the coin slot, and put the battery into the machine from the battery slot, and the battery needs to be put in according to the instructions of the machine, if the contact terminal is on the front, Or put it down to the left, etc. After the battery is put in, it slides to the L-shaped seat 11 of the clamping mechanism throwing mechanism 1, and the pressing plate 111 on the L-shaped seat 11 presses the battery firmly, so that the charging end of the battery and the probe The probe 31 of the module 3 is in contact. At this time, please refer to FIG. 7. Since the configuration of the detection circuit 34 is the same, the two probes P1 and P2 are used as an example for illustration. A transistor Q5 , Q6 and another set of transistor Q1 , diode D1 , transistor Q3 , diode D3 , and a set of transistor Q2 , diode D2 , transistor Q4 , diode D4 are connected under the probes P1 , P2 .

Assume that transistors Q1, Q2, Q3, Q4, and Q6 are all OFF, and when transistor Q5 is ON, V _Det = V _Bat -V(Q5)-V _D4 ≈V _Bat -0.7V, so it can be seen that the voltage drop of the contact is reduced by 0.6 V ~ 0.7V, that is, the probe P1 can be regarded as the positive pole connected to the battery. When transistors Q1, Q2, Q3, and Q6 are all set to OFF, and transistors Q4, Q5 are turned on, V _Det = V _Bat -V(Q5)-V(Q4)≈V _Bat -0.1V, so the voltage of the contact can be known The drop is only reduced by 0.1V, that is, the probe P2 is connected to the negative pole of the battery. After detecting the positive and negative poles of the battery, the charging circuit 35 provides the required power to supplement the battery.

However, during this period of charging time, the owner of the battery can leave the charging machine platform, and does not need to be on the side of the charging machine platform. When the charging time arrives, the platform 10 moves to the set storage compartment 50 by means of the two transmission mechanisms 14 and 15. Above, the pressure plate 111 is raised, and the L-shaped seat 11 is rotated downward, so that the battery placed on the L-shaped seat 11 slides into the set storage compartment 50, so no matter whether the owner of the battery is at the charging station or not, the charging The machine can still perform the next battery charging action, and when everyone wants to receive the fully charged battery, they only need to input the password into the control panel to control the action of the telescopic rod switch 52, so that the bottom plate 51 is opened, and the storage of the setting The battery in the grid 50 falls, and slides down to the bottom along the slope 72, and the battery can be taken out through the pick-up port.

As can be seen from the above, the device of the present utility model has the following practical advantages:

1. Through the detection circuit on the densely arranged probe module, it can be completely distinguished which probes are in contact with the positive electrode of the battery, which probes are in contact with the negative electrode of the battery, and which probes are empty and have no contact.

2. Through the precise detection of the detection circuit, the negative electrode of the battery can be correctly judged, so that when the charging circuit charges it, there will be no dangerous situations due to polarity reversal (such as explosion, circuit burnout, etc.), effectively preventing An accident happened.

The above descriptions are only preferred embodiments of the present invention, and should not be used to limit the scope of the present invention. All changes and modifications that can be made by those skilled in the art should be considered as not departing from the present invention. new substance.

Claims (2)

1. electric battery electrifier, the board outside is provided with battery input port, control panel, coin slot and gets the thing mouth, it is characterized in that, and board inside comprises:

One throws and to throw away mechanism, is one to be provided with the platform of anchor clamps, and this platform activity is hubbed at a transmission mechanism, and this transmission mechanism is set up on another transmission mechanism again, and the platform adjustable shelf is located on the transmission mechanism of two layers of vertical interlaced;

One probe module, mainly be provided with a plurality of probes, described probe activity is incorporated on the pedestal, this pedestal is located at above-mentioned throwing and is thrown away on the anchor clamps of mechanism, each probe penetrates the sleeve that a top is provided with perforation, one spring places the below of probe, the sleeve that inside is provided with probe and spring combines with pedestal, each probe is connected with circuit for detecting and charging circuit are in parallel, this circuit for detecting is connected with control IC with charging circuit, establish a current protecting circuit, this power supply and circuit for detecting again between this charging circuit and the probe in addition, control IC and charging circuit link so that the work energy to be provided; And

One stocking mechanism is made of a plurality of memory locations, and each memory location bottom respectively connects the base plate that a movable pivot closes, each base plate opens and closes by switch control, this switch is connected with the control panel of charging board, and the below of this stocking mechanism is provided with a slope, and this slope other end extends to gets the thing mouth.

2. electric battery electrifier as claimed in claim 1 is characterized in that, this probe module is located at the position, charging end of matching battery just in time, position on the anchor clamps.

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