CN211720298U

CN211720298U - Battery converter of electric tool

Info

Publication number: CN211720298U
Application number: CN202020560796.7U
Authority: CN
Inventors: 黄永林; 李咸进
Original assignee: Ningbo Tianming Tools Co ltd
Current assignee: Ningbo Tianming Tools Co ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2020-10-20
Anticipated expiration: 2030-04-15

Abstract

The utility model discloses an electric tool battery converter, its characterized in that: including frame (1), frame (1) is equipped with interface (2) and a plurality of battery package grafting end (3) that supply battery package detachable connections with electrician's instrument's power input interface mechanical connection and electricity, and battery package grafting end (3) are connected and are connected with interface (2) electricity with the equal electricity of battery package, and install respectively in one of them side of frame (1) every group battery package grafting end (3), install the battery package adoption of battery package grafting end (3) and connect in parallel or establish ties, be equipped with power delivery outlet (4) on frame (1), power delivery outlet (4) are connected with the battery package electricity of the installation on frame (1). The converter has a group of additional power output structures and can be matched with electric tools with inconsistent interfaces, so that the functions are diversified.

Description

Battery converter of electric tool

Technical Field

The utility model relates to an electric tool technical field specifically says to an electric tool battery converter.

Background

Electric tools are increasingly used by people, and particularly portable electric tools with battery packs can adapt to various occasions. However, the electric tool with the battery pack has a disadvantage that the output voltage of the battery pack is fixed, and thus the electric tool can be used only for a matched electric tool, and cannot be used for an electric tool requiring a higher input voltage. There are also many patents disclosed to try to overcome the problem by various technical solutions, that is, several battery packs are combined into a whole battery pack to increase the output voltage, and at present, the battery pack combination with this structure is only connected to the electric tool with a matched interface, and only one set of interfaces connected to the electric tool is not connected to other electric tools with unmatched interfaces, so that the function is single.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an electric tool that possesses a set of extra power output structure, can match the inconsistent electric tool of interface on, make the manifold electric tool battery converter of function.

The technical scheme of the utility model is, provide an electric tool battery converter with following structure, the test platform comprises a support, the frame is equipped with the interface of being connected with electrician's instrument's power input interface machinery and the battery package grafting end of a plurality of confession battery package detachable connections, and battery package grafting end is connected and is connected with the interface electricity with the equal electricity of battery package, and wherein one side at the frame is installed respectively to every group battery package grafting end, installs the battery package adoption of battery package grafting end and connects in parallel or establish ties, be equipped with the power delivery outlet on the frame, the battery package electricity of the installation on power delivery outlet and the frame is connected.

The power supply output port comprises an output anode, a voltage detection end, a discharge detection end and an output cathode end; the default of the voltage detection end in the initial state is an infinite resistance value, and the voltage detection end outputs 18V voltage when detecting disconnection; when the voltage detection end is connected with a resistance value, the voltage is output to be 36V voltage.

The power supply output port is positioned on the inner side surface of the machine base.

The power supply outlet comprises a connecting rod, the connecting rod is fixed on the side wall of the machine base, one part of the connecting rod extends out of the machine base, the output anode, the voltage detection end, the discharge detection end and the output cathode end are located in the connecting rod, and the outer wall of the connecting rod is provided with external threads.

The outer ends of the output anode, the voltage detection end, the discharge detection end and the output cathode end are all lower than the end face of the outer end of the connecting rod.

The outer wall of the connecting rod is provided with guide grooves distributed along the axial direction.

After the structure more than adopting, the utility model has the advantages of it is following: the converter still carries a cable output, and the machine of cable connection can be connected to external band here, and the knapsack power is regarded to the converter, and convenience of customers operates for a long time, can be connected to on the unmatched other electric tool of interface to it is various to make the function.

As an improvement, the power output port comprises an output positive electrode, a voltage detection end, a discharge detection end and an output negative electrode end; the default of the voltage detection end in the initial state is an infinite resistance value, and the voltage detection end outputs 18V voltage when detecting disconnection; when the voltage detection end is connected with a resistance value, the voltage is 36V output, so that the power output port can determine the output voltage according to detection, and the operation of a user is facilitated.

As an improvement, the power outlet is positioned on the inner side surface of the base, so that the converter can be hidden when the converter is installed on the electric tool, and the power outlet is prevented from being reused.

As an improvement, the power outlet includes the connecting rod, the connecting rod is fixed at the lateral wall of frame and a position stretches out outside the frame, output positive pole, voltage detection end, discharge detection end and output negative pole end are located the connecting rod, the outer wall of connecting rod is equipped with the external screw thread, makes the equal convenient operation of electricity connection and the mechanical connection of interface.

Drawings

Fig. 1 is a schematic front view of a battery converter for an electric tool according to the present invention.

Fig. 2 is a schematic diagram of the electric tool battery converter and the two battery packs according to the present invention.

Fig. 3 is an enlarged schematic view of the power outlet of the present invention.

Fig. 4 is an internal schematic view of the battery converter of the electric tool of the present invention.

The battery pack plug-in device comprises a base 1, a base 2, a plug-in port 3, a battery pack plug-in end 4, a power supply outlet 4.1, a connecting rod 4.2 and a guide groove.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1-4, the utility model discloses an electric tool battery converter, including frame 1, frame 1 is equipped with interface 2 and a plurality of battery package grafting end 3 that supply battery package detachable connections with electrician's power input interface mechanical connection and electricity of tool, and battery package grafting end 3 is connected and is connected with interface 2 electricity with the equal electricity of battery package, and every group battery package grafting end 3 is installed respectively in one of them side of frame 1, installs the battery package adoption at battery package grafting end 3 and connects in parallel or establish ties. The battery pack may be of the same voltage, such as two 18V battery packs, or of different voltages, such as 18V in combination with 36V.

As shown in fig. 3, the battery pack insertion terminals 3 of the present embodiment are two groups, and are respectively installed on two opposite sides of the base 1. Frame 1 is the T type, including roof 1.1 and backup pad 1.2, and the bottom at roof 1.1 is connected at the top of backup pad 1.2, and battery package grafting end 3 is established respectively at the both sides face of backup pad 1.2, is equipped with the slot on the battery package grafting end 3, and the battery package inserts the slot and detains fixedly by the locking.

The base 1 is provided with a locking structure detachably connected with an electrician tool, the locking structure comprises a button provided with a spring structure, the end part of the button, which is a lever and a resistance arm, is a locking end, the locking end rises to be locked with the electrician tool, and the locking end falls to be separated from the electrician tool. The spring always provides an elastic force at the locking end. The locking structure and the interface 2 are positioned on the same side of the base 1.

The motor base 1 is provided with a power supply outlet 4, and the power supply outlet 4 is electrically connected with a battery pack installed on the motor base 1. The power output port 4 comprises an output positive electrode, a voltage detection end, a discharge detection end and an output negative electrode; the positive output electrode displayed on the base is a P + electrode, the voltage detection end is a T electrode, the discharge detection end is an ID electrode, and the negative output electrode is an ID electrode. The default of the voltage detection end in the initial state is an infinite resistance value, and at the moment, the detection and judgment of the voltage detection end are regarded as disconnection, and 18V voltage is output; when the voltage detection end is connected with the resistance value of the identification piece, the voltage is 36V output. When the T pole is disconnected (the resistance value is infinite), the default is 18V machine, (the interface is not used at the electric tool end in the early stage, so the interface is disconnected, the infinite resistance value is more suitable for the electric tool developed in the early stage, the performance of an electrician tool can be expanded), and when the T pole is connected with the resistance value, the interface is 36V machine.

The power outlet 4 includes connecting rod 4.1, connecting rod 4.1 is fixed and is stretched out outside frame 1 at the lateral wall of frame 1 and a position, output positive pole, voltage detection end, discharge detection end and output negative pole end are located connecting rod 4.1, the outer wall of connecting rod 4.1 is equipped with the external screw thread.

The outer ends of the output anode, the voltage detection end, the discharge detection end and the output cathode end are all lower than the end face of the outer end of the connecting rod 4.1.

The outer wall of the connecting rod 4.1 is provided with guide grooves 4.2 which are distributed along the axial direction, when an output cable is connected, the port of the cable is provided with a socket and a lock nut which are connected with an output anode, a voltage detection end, a discharge detection end and an output cathode end, the lock nut is connected with the external thread of the outer wall of the connecting rod 4.1, when the cable is inserted again, the socket of the cable is aligned with the output anode, the voltage detection end, the discharge detection end and the output cathode end to be inserted, then the nut is screwed with the external thread,

a controller, an 18V machine change-over switch and a 36V machine change-over switch are arranged in the machine base 1, and when the controller is inserted into a machine, the controller judges and outputs 18V voltage or 36V voltage according to the identification piece and the identification circuit; the 18V machine change-over switch and the 36V machine change-over switch 8 make manual selection according to the signal output recognized by the controller, so that the output voltage is matched with the connected electric tool, 18V low voltage is output by selecting the 18V machine change-over switch, and 36V low voltage is output by selecting the 36V machine change-over switch. An 18V indicator light is arranged beside the 18V machine change-over switch, and a 36V indicator light is arranged beside the 36V machine change-over switch.

When the plug-in type electric tool is plugged in, the plug-in type electric tool is judged to be 18V or 36V according to the identification piece and the identification circuit, if the judged voltage is consistent with the current output voltage of the battery converter, the plug-in type electric tool is normally powered, if the judged voltage is inconsistent with the current output voltage of the battery converter, the plug-in type electric tool is alarmed through the indicating lamp, the 18V machine change-over switch or the 36V machine change-over switch is switched, so that the voltages.

There are two modes when the 18V voltage is selected:

in the first mode, any 18V battery pack can be used; or when one battery pack is in no electricity during use, the battery pack is pulled out and charged, and the other battery pack continues to work to output electric energy to the machine;

in the second mode, when two battery packs are used together, the two battery packs are used in parallel. When the voltage of 36V is selected, two battery packs are connected in series for use.

Claims

1. A power tool battery converter, comprising: including frame (1), frame (1) is equipped with interface (2) and a plurality of battery package grafting end (3) that supply battery package detachable connections with electrician's instrument's power input interface mechanical connection and electricity, and battery package grafting end (3) are connected and are connected with interface (2) electricity with the equal electricity of battery package, and install respectively in one of them side of frame (1) every group battery package grafting end (3), install the battery package adoption of battery package grafting end (3) and connect in parallel or establish ties, be equipped with power delivery outlet (4) on frame (1), power delivery outlet (4) are connected with the battery package electricity of the installation on frame (1).

2. The power tool battery converter of claim 1, wherein: the power supply output port (4) comprises an output anode, a voltage detection end, a discharge detection end and an output cathode end; the default of the voltage detection end in the initial state is an infinite resistance value, and the voltage detection end outputs 18V voltage when detecting disconnection; when the voltage detection end is connected with a resistance value, the voltage is output to be 36V voltage.

3. The power tool battery converter of claim 1, wherein: the power supply output port (4) is positioned on the inner side surface of the machine base (1).

4. The power tool battery converter of claim 2, wherein: power outlet (4) include connecting rod (4.1), connecting rod (4.1) are fixed and are stretched out outside frame (1) at the lateral wall and a position of frame (1), output positive pole, voltage detection end, discharge detection end and output negative pole end are located connecting rod (4.1), the outer wall of connecting rod (4.1) is equipped with the external screw thread.

5. The power tool battery converter of claim 2, wherein: the outer ends of the output anode, the voltage detection end, the discharge detection end and the output cathode end are all lower than the end surface of the outer end of the connecting rod (4.1).

6. The power tool battery converter of claim 4, wherein: the outer wall of the connecting rod (4.1) is provided with guide grooves (4.2) distributed along the axial direction.