CN206685939U - Multi-purpose intelligent battery charger - Google Patents

Abstract

The utility model discloses a multi-purpose intelligent battery charger, which comprises a housing, a positive pole shrapnel and a negative pole shrapnel. The housing has accommodating slots for batteries of various sizes; At one end of the length direction of the storage slot, there is a chute extending along the length direction in the accommodating tank. The negative shrapnel is slid and set in the chute through the elastic piece, and the elastic piece is stretched along the length direction of the accommodating slot, and drives the negative pole. The driving force for the shrapnel to slide toward the end of the chute close to the positive shrapnel. This multi-purpose smart battery charger has a wide range of uses and can charge a variety of batteries, such as: Ni-MH/Ni-Cd batteries, 3.7V Li-ion batteries, 3.2V Li-iron batteries, high-voltage 3.85V Li-ion batteries, EGO electronic cigarette batteries , has the characteristics of strong versatility.

Description

Multipurpose Smart Battery Charger

technical field

The utility model relates to the technical field of chargers, in particular to a multipurpose intelligent battery charger.

Background technique

Currently, rechargeable batteries play an important role in people's lives. With the development of battery technology, the use of battery chargers is becoming more and more extensive.

The existing battery chargers can only charge a certain type of battery and a battery of one size, but cannot charge multiple types of batteries and batteries of different sizes, so the versatility is poor.

Utility model content

The main purpose of the utility model is to provide a multi-purpose intelligent battery charger, aiming to make the battery charger have wide application and strong versatility.

In order to achieve the above object, the utility model proposes a multi-purpose intelligent battery charger, including a housing, a positive shrapnel and a negative shrapnel, the housing has accommodating slots for batteries of various sizes; the accommodating slots are long In the shape of a strip, the positive electrode shrapnel is arranged at one end in the length direction of the accommodating groove, and a chute extending along the length direction of the accommodating groove is arranged in the accommodating groove, and the negative electrode shrapnel is slid on the sliding groove through an elastic member. In the groove, the elastic member is arranged telescopically along the length direction of the accommodating groove, and generates a driving force to drive the negative elastic piece to slide toward the end of the chute close to the positive elastic piece.

Preferably, the battery includes one of nickel metal hydride/nickel cadmium battery, 3.7V lithium ion battery, 3.2V lithium iron battery, high voltage 3.85V lithium ion battery or EGO electronic cigarette battery.

Preferably, the elastic member is a spring, one end of the spring is fixedly connected to the negative elastic piece, and the other end of the spring is fixedly connected to the connecting terminal in the length direction of the accommodating groove.

Preferably, the connection terminal is located at one end of the accommodating groove adjacent to the positive elastic piece in the length direction.

Preferably, the multipurpose smart battery charger also includes a circuit board, the circuit board is installed in the housing, and the circuit board is provided with a control chip, a voltage detection circuit, a charging circuit, a discharging circuit, and a power input terminal and a power output terminal; the input pin of the control chip is connected to the output end of the voltage detection circuit, the first control pin of the control chip is connected to the charging circuit, the second control pin of the control chip is connected to the The discharge circuit is connected, the input end of the charging circuit is connected to the power input terminal, the output end of the charging circuit is connected to the positive shrapnel, the input end of the discharge circuit is connected to the positive shrapnel, the The output end of the discharge circuit is connected to the output terminal of the power supply.

Preferably, one side of the housing is provided with a USB female port and a mirco-usb female port, the USB female port is electrically connected to the power output terminal, and the mirco-usb female port is electrically connected to the power input terminal connect.

Preferably, the circuit board is also provided with a switch, a first indicator light and a second indicator light, the switch is connected to the trigger pin of the control chip, and the first indicator light is connected to the first indicator light of the control chip. The driving pin is connected, and the second indicator light is connected to the second driving pin of the control chip.

Preferably, the circuit board is also provided with a third indicator light, a fourth indicator light, a fifth indicator light and a sixth indicator light; the third indicator light is connected to the third driving pin of the control chip, so The fourth indicator light is connected to the fourth driving pin of the control chip, the fifth indicator light is connected to the fifth driving pin of the control chip, and the sixth indicator light is connected to the sixth driving pin of the control chip. pin connection.

Preferably, the housing is provided with a first transparent area, a second transparent area, a third transparent area, a fourth transparent area, a fifth transparent area, a sixth transparent area and a button, and the first transparent area is used for For the light emitted by the first indicator light to pass through, the second transparent area is used for the light emitted by the second indicator light to pass through, and the third transparent area is used for the light emitted by the third indicator light to emit The light emitted by the fourth transparent area is used to let the light emitted by the fourth indicator light pass through, the fifth transparent area is used to allow the light emitted by the fifth indicator light to pass through, and the first The six transparent areas are used for the light emitted by the sixth indicator light to pass through, and the button is fixedly connected to the trigger end of the switch.

Preferably, a sign layer for indicating the positive and negative poles of the battery charger is provided in the accommodating groove, and heat dissipation holes are provided on the housing.

The technical scheme of the utility model adopts the method of setting the positive elastic piece at one end of the length direction of the accommodating groove, and extending the chute along the length direction of the accommodating groove, so that the negative electrode shrapnel is slid and arranged in the chute through the elastic member, wherein the elastic member is arranged along the The length direction of the accommodating slot is telescopically arranged, and generates a driving force for driving the negative shrapnel to slide toward the end of the chute close to the positive shrapnel. In this way, the negative shrapnel can move back and forth in the length direction of the accommodating slot through the chute, and change the distance between it and the positive shrapnel, so that batteries of more sizes can be clamped and batteries of more sizes can be charged. Therefore, compared with the prior art, the technical solution of the utility model has the characteristics of strong versatility.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the present utility model, and those skilled in the art can also obtain other drawings according to the structures shown in these drawings without creative work.

Fig. 1 is a schematic structural view of an embodiment of the utility model multi-purpose intelligent battery charger;

FIG. 2 is a schematic diagram of the functional modules of an embodiment of the circuit board in the multi-purpose smart battery charger of the present invention.

Explanation of reference numbers:

label name label name label name 100 case 251 first light 10 first transparent area 101 storage tank 252 Second light 20 second transparent zone 102 Chute 253 third light 30 third transparent zone 103 Positive shrapnel 254 Fourth light 40 fourth transparent zone 104 Negative shrapnel 255 fifth light 50 fifth transparent zone 200 circuit board 256 Sixth light 60 sixth transparent zone 210 charging circuit 257 switch 70 button 220 discharge circuit 240 control chip 230 voltage detection circuit

The realization of the purpose of the utility model, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

It should be noted that the descriptions of “first” and “second” in the present application are only for description purposes, and should not be understood as indicating or implying their relative importance or implicitly indicating the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, the technical solutions of the various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist , also not within the scope of protection required by the utility model.

The utility model proposes a multi-purpose intelligent battery charger, which has a wide range of uses and can charge various types of batteries, such as: Ni-MH/Ni-Cd batteries, 3.7V lithium-ion batteries, 3.2V lithium-iron batteries Battery, high-voltage 3.85V lithium-ion battery, EGO electronic cigarette battery.

Please refer to Fig. 1, in one embodiment, the above-mentioned multi-purpose smart battery charger includes a casing 100, a positive electrode elastic piece 103 and a negative electrode elastic piece 104, and the casing 100 has an accommodating groove 101 for accommodating batteries of various sizes; the accommodating groove 101 is in the shape of a long strip, and the positive pole shrapnel 103 is arranged at one end of the length direction of the accommodating groove 101. A chute 102 extending along the length direction of the accommodating groove 101 is arranged in the accommodating groove 101, and the negative pole shrapnel 104 passes through an elastic member (not shown in the figure) Slidingly disposed in the sliding slot 102 , the elastic member is stretched and stretched along the length direction of the accommodating slot 101 , and generates a driving force to drive the negative elastic sheet 104 to slide toward the end of the sliding slot 102 close to the positive elastic sheet 103 .

Wherein, the elastic member may be a rubber band, a spring, a sponge or the like. In the following content, the elastic member is taken as a spring as an example for illustration. Specifically, one end of the spring is fixedly connected to the negative elastic piece 104 , and the other end of the spring is fixedly connected to a connecting terminal (not shown) in the length direction of the accommodating groove 101 .

Here, when the connecting terminal is located at one end of the accommodating groove 101 adjacent to the positive elastic piece 103 in the length direction, if the spring is stretched, the distance between the positive elastic piece 103 and the negative elastic piece 104 will increase. That is to say, when replacing a large-sized battery for charging, the spring needs to be stretched away from the positive elastic piece 103. When the large-sized battery is taken out, the spring drives the negative elastic piece 104 to slide back toward the chute 102 and close to the positive elastic piece 103.

When the connecting terminal is located at the end of the accommodating groove 101 away from the positive elastic piece 103 in the length direction, if the spring is compressed, the distance between the positive elastic piece 103 and the negative elastic piece 104 will be increased. That is to say, when replacing a large-sized battery for charging, the spring needs to be compressed toward the direction that the chute 102 is away from the positive shrapnel 103 .

Further, the multi-purpose intelligent battery charger also includes a circuit board 200, which is installed in the housing 100, and the circuit board 200 is provided with a control chip 240, a voltage detection circuit 230, a charging circuit 210, a discharging circuit 220, a power input terminal PI and power output terminal PO; the input pin IN of the control chip 240 is connected to the output end of the voltage detection circuit 230, the first control pin CTR1 of the control chip 240 is connected to the charging circuit 210, and the second control pin CTR2 of the control chip 240 is connected to the charging circuit 210. The discharge circuit 220 is connected, the input end of the charging circuit 210 is connected to the power supply input terminal PI, the output end of the charging circuit 210 is connected to the positive pole shrapnel 103, the input end of the discharge circuit 220 is connected to the positive pole shrapnel 103, and the output end of the discharge circuit 220 is connected to the power supply Output terminal PO connection.

Specifically, when a battery is installed into the accommodating slot 101, the voltage detection circuit 230 detects the output voltage of the battery, and outputs a feedback signal corresponding to the battery voltage to the control chip 240, and the first control pin CTR1 of the control chip 240 outputs the first A control signal is sent to the charging circuit 210 to control battery charging. Alternatively, the second control pin CTR2 of the control chip 240 outputs a second control signal corresponding to the battery voltage to the discharge circuit 220 to control battery discharge. Here, a female USB port (not shown) and a mirco-usb female port (not shown) are provided on one side of the housing 100 to make the battery charger compatible with the USB cable. Specifically, the USB female port is electrically connected to the power output terminal PO, and the mirco-usb female port is electrically connected to the power input terminal P1. Wherein, the USB female port and the mirco-usb female port can be arranged on the side of the casing 100 away from the accommodating groove 101 , or can be arranged on the side of the casing 100 adjacent to the accommodating groove 101 , which is not limited here.

It is worth mentioning that when the battery installed in the storage tank 101 is a bad battery, or the positive pole of the battery installed in the storage tank 101 is connected to the negative pole spring 104, and the negative pole is connected to the positive pole spring 103, the voltage detection circuit 230 will detect both Below the battery voltage, the control chip 230 will not control the charging of the battery, nor will it control the discharging of the battery. Optionally, the control chip 230 also includes a first detection pin DET1 and a second detection pin DET2, the first detection pin DET1 is connected to the voltage detection terminal of the charging circuit 210, and the second detection pin DET2 is connected to the voltage detection terminal of the discharge circuit 220 In this way, when the battery is overcharged or overdischarged, the control chip 240 can control the charging state or discharging state of the battery to protect the battery charger.

Further, the circuit board is also provided with a switch 257, a first indicator light 251 and a second indicator light 251, the switch 257 is connected to the trigger pin TR of the control chip 240, the first indicator light 251 is connected to the first driving pin of the control chip 240 D1 is connected, and the second indicator light 252 is connected to the second driving pin D2 of the control chip 240 . Here, the switch 257 is used to switch the charging current of the battery. When the charging current of the battery is 0.5A, the first indicator light 251 is on, and when the charging current of the battery is 1.0A, the second indicator light 252 is on. Optionally, both the first indicator light 251 and the second indicator light 252 are yellow LED lights.

Further, the circuit board 200 is also provided with a third indicator light 253, a fourth indicator light 254, a fifth indicator light 255 and a sixth indicator light 256, and the third indicator light 253 is connected to the third driving pin D3 of the control chip 240. , the fourth indicator light 254 is connected to the fourth driving pin D4 of the control chip 240, the fifth indicator light 255 is connected to the fifth driving pin D5 of the control chip 240, and the sixth indicator light 256 is connected to the sixth driving pin D6 of the control chip 240. connect.

Here, the third indicator light 253 is used to indicate that the battery power is 25% or the NiMH/Ni-Cd battery charging level, the fourth indicator light 254 is used to indicate that the battery power is 50% or the 3.7VLi-ion battery charging level, and the fifth The indicator light 255 is used to indicate that the battery power is 75% or the charging level of the 3.0V Li-Fe battery, and the sixth indicator light 256 is used to indicate that the battery power is 100% or the charging level of the 3.85V Li-ion battery. Optionally, the third indicator light 253 , the fourth indicator light 254 , the fifth indicator light 255 and the sixth indicator light 256 are all blue LED lights.

Correspondingly, the housing 100 is provided with a first transparent area 10 , a second transparent area 20 , a third transparent area 30 , a fourth transparent area 40 , a fifth transparent area 50 , a sixth transparent area 60 and a key 70 . Wherein, the first transparent area 10 is used for the light emitted by the first indicator light 251 to pass through, the second transparent area 20 is used for the light emitted by the second indicator light 252 to pass through, and the third transparent area 30 is used for the third The light emitted by the indicator light 253 is transmitted through, the fourth transparent area 40 is used to transmit the light emitted by the fourth indicator light 254, the fifth transparent area 50 is used to transmit the light emitted by the fifth indicator light 255, and the sixth transparent area 40 is used to transmit the light emitted by the fifth indicator light 255. The area 60 is used for the light emitted by the sixth indicator light 256 to pass through, and the button 70 is fixedly connected with the trigger end of the switch 257 .

Further, in order to prevent the user from reversely connecting the positive and negative poles of the battery during the process of installing the battery into the storage tank 101 , the storage tank 101 is provided with a marking layer for indicating the positive and negative terminals of the battery charger.

Further, in order to dissipate heat for the circuit, the casing 100 is provided with heat dissipation holes (not shown in the figure).

Below, in conjunction with Fig. 1 and Fig. 2, illustrate the working principle of the utility model multi-purpose intelligent battery charger:

Firstly, install the battery into the accommodating tank 101 according to the positive and negative signs in the accommodating tank 101 . Among them, the battery model can be NiMH/Ni-Cd 1.2V (AA/AAA), Li-Fe 3.2V, Li-ion3.7V, EGO (Li-ion) "electronic cigarette" 3.7V, Li-ion 3.85V Wait.

If the battery is charged, then:

The third indicator light 253 , the fourth indicator light 254 , the fifth indicator light 255 and the sixth indicator light 256 are turned on sequentially, and the lighting process is repeated.

Thereafter, press and hold the button 70 for two seconds to switch the charging current of the battery. And when the charging current of the battery is 0.5A, the first indicator light 251 is on; when the charging current of the battery is 1.0A, the second indicator light 252 is on.

Or, lightly press button 70 to check the battery power. For example, if the electric quantity of the battery is 25%, then the button 70 is lightly pressed, the third indicator light 253 is on, and the fourth indicator light 254, the fifth indicator light 255 and the sixth indicator light 256 are all extinguished.

If the battery is in the discharge state, the sixth indicator light 256 , the fifth indicator light 255 , the fourth indicator light 254 and the third indicator light 253 are turned on sequentially, and the lighting process is repeated.

When the multi-purpose intelligent battery charger is connected with an external 5V power adapter (not shown), at first the third indicator light 253, the fourth indicator light 254, the fifth indicator light 255 and the sixth indicator light 256 are lit simultaneously, and then the third indicator light 253 and the sixth indicator light 256 are lit simultaneously. The indicator light 253 , the fourth indicator light 254 , the fifth indicator light 255 and the sixth indicator light 256 go out simultaneously, and finally only the first indicator light 251 is always on.

The above is only a preferred embodiment of the present utility model, and does not therefore limit the scope of the patent of the present utility model. Under the inventive concept of the present utility model, the equivalent structural transformation made by using the specification of the utility model and the contents of the accompanying drawings, or Direct/indirect application in other related technical fields is included in the patent protection scope of the present utility model.

Claims (10)

1. a kind of multi-purpose intelligent battery charger, it is characterised in that including housing, positive pole shell fragment and negative pole shell fragment, the shell Body has the storage tank of accommodating sizes battery；The storage tank is elongated, and the positive pole shell fragment is located at the storage tank One end of length direction, chute extended along its length is provided with the storage tank, and the negative pole shell fragment passes through Elastic component is slideably positioned in the chute, and the elastic component is set along the storage tank length direction is flexible, and produces driving The driving force that the negative pole shell fragment slides towards the chute close to one end of the positive pole shell fragment.

2. multi-purpose intelligent battery charger as claimed in claim 1, it is characterised in that the battery includes ni-mh/NI-G In battery, 3.7V lithium ion batteries, 3.2V lithium Fe batteries, high pressure 3.85V lithium ion batteries or EGO electronic cigarette batteries It is a kind of.

3. multi-purpose intelligent battery charger as claimed in claim 2, it is characterised in that the elastic component is spring, described One end of spring is fixedly connected with the negative pole shell fragment, the connection end of the other end of the spring and the storage tank length direction Son is fixedly connected.

4. multi-purpose intelligent battery charger as claimed in claim 3, it is characterised in that the connection terminal is located at the appearance Slot length direction is put adjacent to one end of the positive pole shell fragment.

5. multi-purpose intelligent battery charger as claimed in claim 4, it is characterised in that the multi-purpose intelligent battery charging Device also includes circuit board, and the circuit board is installed in the housing, and the circuit board is provided with control chip, voltage detecting electricity Road, charging circuit, discharge circuit, power input terminal and power output terminal；

The input pin of the control chip is connected with the output end of the voltage detecting circuit, the first control of the control chip Pin is connected with the charging circuit, and the second control pin of the control chip is connected with the discharge circuit, the charging circuit Input be connected with the power input terminal, the output end of the charging circuit is connected with the positive pole shell fragment, described to put The input of circuit is connected with the positive pole shell fragment, and the output end of the discharge circuit is connected with the power output terminal.

6. multi-purpose intelligent battery charger as claimed in claim 5, it is characterised in that the side of the housing is provided with USB Female mouth and mother's mirco-usb mouth, mother's USB mouth electrically connect with the power output terminal, mother's mirco-usb mouth and institute State power input terminal electrical connection.

7. multi-purpose intelligent battery charger as claimed in claim 5, it is characterised in that be additionally provided with out on the circuit board Close, the first indicator lamp and the second indicator lamp, the switch are connected with the triggering pin of the control chip, first indicator lamp and First driving pin connection of the control chip, second indicator lamp are connected with the second driving pin of the control chip.

8. multi-purpose intelligent battery charger as claimed in claim 7, it is characterised in that be additionally provided with the 3rd on the circuit board Indicator lamp, the 4th indicator lamp, the 5th indicator lamp and the 6th indicator lamp；3rd indicator lamp drives with the 3rd of the control chip Dynamic pin connection, the 4th indicator lamp are connected with the 4th driving pin of the control chip, the 5th indicator lamp and the control 5th driving pin connection of coremaking piece, the 6th indicator lamp are connected with the 6th driving pin of the control chip.

9. multi-purpose intelligent battery charger as claimed in claim 8, it is characterised in that it is saturating to be provided with first on the housing Area pellucida, the second clear area, the 3rd clear area, the 4th clear area, the 5th clear area, the 6th clear area and button, described first is saturating The light that area pellucida is used to send for first indicator lamp appears, and second clear area is used to send for second indicator lamp Light appear, the light that the 3rd clear area is used to send for the 3rd indicator lamp is appeared, and the 4th clear area is used Appeared in for the light that the 4th indicator lamp is sent, the 5th clear area is used for the light sent for the 5th indicator lamp Appear, the light that the 6th clear area is used to send for the 6th indicator lamp appears, and the button touches with the switch Originator is fixedly connected.

10. the multi-purpose intelligent battery charger as described in claim 1-9 any one, it is characterised in that the storage tank It is interior to be provided with the reference lamina for being used for representing the battery charger both positive and negative polarity, it is provided with heat emission hole on the housing.