KR101765749B1 - Battery formation gripper with dual current grip terminal - Google Patents

Abstract

The purpose of the present invention is to provide a dual current grip terminal type battery charging and discharging gripper, and the present invention comprises: a housing body (10) which has a space unit communicated with front and back surfaces therein; a pair of main bodies (20) which are accommodated in the space unit of the housing body (10), and coupled with the housing body (10) by means of a hinge unit to face each other; a pair of first current grip terminals (30) which are coupled with the pair of main bodies (20) to face each other; a pair of second current grip terminals (33) which are coupled with the pair of main bodies (20) to be placed in a side of the first current grip terminals (30), and are placed to face each other; a pair of voltage grip terminals (40) which are coupled with the pair of main bodies (20) to be placed between the first current grip terminals (30) and the second current grip terminals (33), are placed to face each other, and has a plurality of jaws (40JW).

Description

[0001] The present invention relates to a dual current grip terminal,

The present invention relates to a dual-current-grip-type battery charge / discharge gripper, and more particularly, to a dual-current-grip-type battery charge / discharge gripper having a plurality of function improvements such as a failure of a voltage / current terminal, Discharge grip grippers, and more particularly to a new dual current grip terminal type battery charge / discharge gripper.

A cell is made by using chemical or physical reaction to obtain electrical energy. Such a chemical cell is divided into a primary cell and a secondary cell. It is called secondary battery which can be used once and used like manganese battery, alkaline battery and mercury battery, and it can be recharged after recharging or recharging. PDAs, smart phones, notebook computers, and other portable electronic devices have been increasing in popularity, so that it is required to develop a technology for a rechargeable battery which can be used for a long time and which has a long life. Such secondary batteries include nickel-cadmium (Ni-Cd), nickel-hydrogen (Ni-MH), lead batteries (SLA), lithium-ion and lithium-polymer. Such a secondary battery is formed of a battery pack type in which a plurality of cells, that is, unit cells, are connected in consideration of charging / discharging efficiency and current capacity. Currently, the secondary battery has high energy density, light weight, high voltage, And excellent life span. Lithium batteries are classified as lithium ion batteries, lithium ion polymer batteries, and lithium metal polymer batteries.

A manufacturing process of such a lithium battery will be described. A hard pack process in which a circuit, a terminal or a connecting component is coupled to a bare cell and then a case is assembled and a formation process is performed on the hard pack. Discharging process. Here, the shape and shape of the battery are determined in accordance with the use of the product and the required characteristics in the hard pack process, and the performance of the battery is determined during the charging / discharging process, and the product is determined. Charging and discharging of the secondary battery is performed by charging and discharging the current electrode tab 4 terminal of the gripper assembly and the electrode tab 4 disposed between the terminal of the voltage electrode tab 4 and the support, It is important to be able to charge and discharge a plurality of battery cells in a space. Accordingly, a plurality of channels are arranged in parallel to each other, and a gripper is mounted on each channel of the jig to cope with a demand to charge / discharge a plurality of battery cells.

However, in the battery charge reversing gripper, a structure is required to be easily replaced when the voltage and current terminals are defective or the battery is replaced due to the aging of the service life. It is necessary to design the battery according to the allowable current design capacity. It is necessary to increase the wear life of the battery, to prevent the unbalance of the battery tap contact portion and the amount of contact due to foreign matter, and to seek the safety of use of the equipment.

Korean Registered Patent No. 10-1509204 (Registered on March 31, 2015) Domestic Registration No. 10-1032380 (Registered on April 25, 2011) Domestic Registration No. 10-1629774 (Registered on June 06, 2016) Korean Patent Publication No. 10-2015-0045622 (published on April 29, 2015)

SUMMARY OF THE INVENTION The present invention has been developed in order to solve the problems as described above, and it is an object of the present invention to provide a power supply apparatus and a power supply apparatus capable of easily replacing when a voltage current terminal is defective, Discharge grip gripper that is designed to satisfy various requirements such as being suitably designed.

According to an aspect of the present invention, there is provided a portable terminal comprising: a housing body having a space communicated with front and rear surfaces thereof; A pair of main bodies accommodated in the space portion of the housing body and coupled to the housing body via a hinge portion so as to face each other; A pair of first current grip terminals coupled to the pair of main bodies so as to face each other; A pair of second current grip terminals coupled to the pair of main bodies so as to be disposed next to the first current grip terminals and arranged to face each other; And a pair of voltage grip terminals coupled to the pair of main bodies so as to be disposed between the first current grip terminal and the second current grip terminal and arranged to face each other and having a plurality of jaws Discharge type gripper is provided.

In the battery charge / discharge gripper according to the present invention, when the voltage current terminal is defective or the battery is replaced due to aging of service life, the current grip terminal and the voltage grip terminal are loosened, It is easy to replace the grip terminal. In other words, the terminal detachable structure and the fastening bolt are separated to facilitate the replacement of the customer.

In addition, the present invention can arrange the voltage grip terminals below the current-grip terminals to increase the cable thickness and the placement efficiency of the cable wiring process as the current capacity rises, Due to the fastening bolt fastening structure, it is designed according to the allowable current design capacity, and the voltage grip terminal is separated from the current terminal, so there is no problem in performance.

1 is an external perspective view of a dual current grip terminal type battery charge / discharge gripper according to the present invention;
Fig. 2 is a side view of Fig.
Fig. 3 is a front view of Fig. 1
Fig. 4 is a rear view of Fig. 1
Figure 5 is a perspective view showing the structure of the gripper, the push block, and the gripper base plate,
FIG. 6 is a partially enlarged perspective view of FIG.
7 is an enlarged perspective view schematically showing a method of wiring a current line and a voltage line in a dual current grip terminal type battery charging / discharging gripper
8 is a perspective view showing an outer surface of the main body,
Figure 9 is a perspective view showing the inner surface of Figure 8;
Fig. 10 is a side sectional view of the battery charge / discharge gripper shown in Fig. 1
11 is an enlarged perspective view showing a state in which the current grip terminal and the voltage grip terminal shown in FIG. 1 are engaged with each other;

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The objects, features and advantages of the present invention will be more readily understood by reference to the accompanying drawings and the following detailed description. The same reference numerals are used for the same parts in the drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

In describing the components of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are intended to distinguish the constituent elements from other constituent elements, and the terms do not limit the nature, order or order of the constituent elements. When a component is described as being "connected", "coupled", or "connected" to another component, the component may be directly connected or connected to the other component, Quot; may be "connected," "coupled," or "connected. &Quot;

Referring to the drawings, the battery charge / discharge gripper according to the present invention includes a housing body 10 having a space communicated in the front and back sides thereof, and a housing body 10 housed in the space portion of the housing body 10, A pair of main bodies 20 arranged to face each other through a hinge portion so as to face each other and a pair of jaws 30JW disposed at a front end portion of the main body 20, A pair of second current grip terminals 33 disposed on the sides of the first current grip terminals 30 while being coupled to the pair of main bodies 20, A pair of voltage grip terminals 40 coupled to the pair of main bodies 20 so as to face each other and having a plurality of jaws 40JW at the front end thereof and a pair of first current grip terminals 30 The second current grip terminal 33 and the pair of voltage grip terminals 40 are detachably attached to the main body 20 And an engaging means for fastening the engaging member.

The main body 20 has a rectangular plate shape. On the outer surface of the main body 20, a terminal seating groove 21 is provided. The main body has on its outer surface a terminal seating groove for current for seating two first current grip terminals 30 and second current grip terminals 33 and a voltage grip terminal A terminal fitting groove for voltage for mounting the terminal 40 is provided. A plurality of roller engaging holding pieces 20RS are provided at the rear end of the main body 20. The roller RO enters the groove of the roller RO formed between the two roller engaging pieces 20RS and the roller shaft of the roller RO is engaged with the two roller engaging pieces 20RS, RO can be rotated in the roller engaging piece 20RS at the rear end of the main body 20. [ In addition, an inclined surface (SF) inclined upward from the rear end of the main body (20) to the front end is provided on the inner surface of the front end of the main body (20). The thickness of the portion between the outer surface and the inner surface of the main body 20 gradually decreases from the front end portion to the rear end portion of the main body 20. In addition, the terminal pin 21P of the main body 20 is provided with a position pin 21P. At least two position pins 21P are provided. At least two position pins 21P are provided in the current terminal fitting groove 21 and the voltage terminal fitting groove 21, respectively. An axial boss 20SB is provided on the inner surface of the main body 20 and a hinge shaft hole H communicated on both sides of the axial boss 20SB is provided. The axial bosses 20SB are provided along the left and right ends of the main body 20. In addition, the main body 20 has a rear coupling bolt hole for coupling the rear terminal piece of the voltage grip terminal 40 to the rear end thereof. The rear engagement bolt hole is provided at a position out of the roller engagement support piece 20RS.

A pair of main bodies 20 are joined by a hinge portion with their inner surfaces facing each other. One main body 20 is referred to as a first main body 20 while the other main body 20 is referred to as a second main body 20. The first main body 20 and the second main body 20 20 are coupled to each other by the hinge portion in a state of facing the inner surface. At this time, the hinge bosses on the inner surface of the first main body 20 and the hinge bosses of the second main body 20 are arranged side by side so that the hinge shaft holes H of the respective hinge bosses are aligned side by side, The hinge shaft HS is fitted to the hinge shaft holes H formed in the respective hinge bosses 20HB on the surfaces of the first main body 20 and the second main body 20 so that the pair of main bodies 20 It is possible to adopt a structure in which they are coupled to each other by the hinge portion in a state of facing each other. The hinge axis (HS) is coupled to both side wall portions of the housing body (10). The hinge shaft hole (H) and the hinge hole constitute a hinge portion. The pair of main bodies 20 can be narrowed and opened with respect to the hinge portion.

The present invention relates to a pair of main body 20 and a pair of first and second current grip terminals 30 and 33 and a pair of voltage grip terminals 40 to open the pair of main body 20, And an elastic body (50) interposed between the main bodies (20). The elastic body 50 is a torsion spring and is fitted to a hinge shaft of a hinge portion which rotatably connects a pair of main bodies 20. The torsion wire portions of both ends of the torsion spring are respectively connected to the inner side surfaces of a pair of main bodies 20 Respectively. A pair of the first current grip terminals 30 and the second current grip terminals 33 and the voltage grip terminals 40 are also opened by the force of the torsion springs The front is open.

The present invention also includes a pair of main bodies 20, a pair of main bodies 20, a pair of main body 20, a pair of main body 20, a pair of first current grip terminals 30, And a push block 60 for narrowing the current grip terminal 33 and the pair of voltage grip terminals 40. [

The push block (60) has a wedge block shape whose width gradually increases toward the front and rear. The rear portion of the push block 60 is formed of a rectangular plate-like rear block, and a push guide pin is connected to the rear block.

The coupling means includes a bolt hole formed in the main body 20 and a bolt hole penetrating through the first current grip terminal 30 and the second current grip terminal 33 and the voltage grip terminal 40, And a bolt for closely fixing the first current grip terminal 30, the second current grip terminal 33 and the voltage grip terminal 40 to the main body 20. The current grip terminal 30 can be separated from the main body 20 by loosening the bolt and the current code bolt 30BO and the voltage grip terminal 40 can be separated from the main body 20 by loosening the bolt and the voltage cord bolt 40BO. 20). ≪ / RTI >

The terminal seating groove is formed on the outer surface of the main body 20, and the terminal seating groove has a seating groove for receiving the current grip terminal 30 and a seating groove for receiving the voltage grip terminal 40 by a separating bar The first current grip terminal 30 and the second current grip terminal 33 and the voltage grip terminal 40 are respectively provided in the seating groove for receiving the current grip terminal 30 and the seating groove for receiving the voltage grip terminal 40, And the separation bar SB is interposed between the first current grip terminal 30 and the second current grip terminal 33 and the voltage grip terminal 40. [ The first current-grip terminal 30, the voltage-grip terminal 40 and the second current-grip terminal 33 and the voltage-grip terminal are physically separated by the separation barb. The separation bar SB is also provided on both left and right ends of the outer surface of the main body 20 so as to support the first current grip terminal 30 and the second current grip terminal 33 at both side ends thereof.

It further includes a current court bolt and a voltage cord bolt 40BO that connect the first current grip terminal 30 and the second current grip terminal 33 and the voltage grip terminal 40 respectively to the current cord and the voltage cord do. The current code bolt 30BO is connected to the outer surface of the first current grip terminal 30 and the second current grip terminal 33 respectively and the voltage code bolt 40BO is connected to the voltage grip terminal 40 And is connected to the rear end. The rear end portion of the voltage grip terminal 40 is provided with a rear bent portion which is in close contact with the rear end portion of the main body 20 and is fastened to the rear fitting bolt hole at the rear end portion of the main body with the voltage- , The rear bent portion of the rear end portion of the voltage grip terminal is pressed and attached to the rear end portion of the main body 20.

A current code and a voltage code are connected to the current code bolt 30BO and the voltage code bolt 40BO, respectively.

The jogs 30JW and 40JW of the first current grip terminal 30 and the second current grip terminal 33 and the voltage grip terminal 40 are disposed at positions shifted from each other. At this time, the first current grip terminal 30, the second current grip terminal 33, and the voltage grip terminal 40 have a front bending piece for current and a front bending piece for voltage extending in the direction facing each other, The plurality of jaws 30JW and 40JW are provided in the current front bending piece and the voltage front bending piece, and the length of the front bending piece for voltage is longer than that of the current front bending piece. Therefore, the pair of voltage grip terminals are first brought into contact with the tabs (electrode tabs) of the battery as compared with the pair of first voltage grip terminals 40 and the second current grip terminals 33. [

The plurality of jaws 30JW and 40JW are connected to the front bending piece for current of the first current grip terminal 30 and the front bending piece for current of the second current grip terminal 33 and the front bending piece for voltage of the voltage grip terminal 40 The jaws 30JW and 40JW of the pair of the first current grip terminals 30 and the second current grip terminals 33 and the pair of voltage grip terminals 40 are connected to each other as described above, And is disposed at an offset position.

In addition, the present invention further includes a push block 60 that enters the rear end of the pair of main bodies 20, and a push plate that supports the push block 60 so as to be movable forward and backward. The housing body 10 is fixed to the gripper base plate 70. The individual grippers including the pair of main bodies 20, the pair of first current grip terminals 30 and the second current grip terminals 33 and the voltage grip terminals 40 and the elastic body 50 And are fixed to the gripper base plate 70 in parallel.

Further, the push plate is disposed at the rear of the gripper base plate 70. A push pin, which is connected to the rear end of the push block 60, is coupled to the push pin hole passing through the front and rear faces of the push platter so as to be able to move back and forth. On the other hand, the rear end of the push pin is connected to a push device (not shown) such that it is connected to the piston rod of the cylinder, and the push pin is moved back and forth in accordance with the operation of the push device. ).

The push block (60) is provided with a code guide hole communicating at least one side of its both side surfaces with the front and rear surfaces.

The plurality of grippers and the plurality of push blocks 60 and the push plate constitute a gripper assembly dedicated for battery discharge. The gripper base plate 70 may also be included in the battery charge / discharge gripper assembly.

According to the present invention having the above-described structure, when the push block 60 is in the backward state where the push block 60 is not inserted between the main bodies 20 at the rear ends of the two main bodies 20, In other words, by the force of the torsion spring, the two main bodies 20, the two first current grip terminals 30, the second current grip terminals 33 and the voltage grip terminals 40 are spread apart from each other.

When the push block 60 advances and enters between the main bodies 20 at the rear ends of the two main bodies 20, the two main bodies 20 are hinged by the push block 60, The two first current grip terminals 30 and the second current grip terminals 33 and the voltage grip terminals 40 are narrowed to each other so that two first current grip terminals 30 and the second current grip terminal 33 and the voltage grip terminal 40 are in contact with each other so that the first current grip terminal 30 and the second current grip terminal 33 and the voltage grip terminal 40 are powered So that the battery can be charged and discharged.

A pair of rollers RO are provided at the rear end of the main body 10 so that the push block 60 in the form of a wedge block can smoothly enter and enter the two main bodies 10 . So that the two main bodies 10 can be more easily opened with the push block 60 by the rollers RO. In particular, since the push block 60 is in the form of a wedge block, the push block 60 can smoothly enter between the rear ends of the two main bodies 20 to smoothly narrow the two main bodies 20 .

In the battery charge reversing gripper of the present invention, when the voltage current terminal is defective or the replacement is required due to aging of service life, the first current grip terminal 30 and the second current grip terminal 33 and the voltage grip terminal 40 It is easy to replace the first and second current grip terminals 30 and 33 with the voltage grip terminals 40. In this case, In other words, the terminal detachable structure and the fastening bolt are separated to facilitate the replacement of the customer.

Further, the present invention is characterized in that the voltage grip terminal 40 is disposed between the first current-grip terminal 30 and the second current-grip terminal 33 so that the cable thickness and the placement efficiency of the cable wiring process, And is designed for the allowable current design capacity due to the rear fixing bolt fastening structure of the rear current terminal and the cable (current cord) connection structure, and the voltage grip terminal 40 is separated from the current terminal so that there is no problem in performance . The separating bar separates the first current grip terminal 30 and the voltage grip terminal 40 and separates the second current grip terminal 33 and the voltage grip terminal 40 so that there is no problem in performance. As described above, the voltage cord is energized to the voltage-grip terminal 40 and the current-code bolt 30BO that energetically couples the current cord to the first voltage-grip terminal 40 and the second current-grip terminal 33, So that the voltage cord bolts 40BO, which can be connected to each other, are spaced apart from each other, thereby preventing a problem in performance.

The tooth structure of the first current grip terminal 30, the second current grip terminal 33 and the voltage grip terminal 40, that is, the respective jaws 30JW and 40JW, So as to increase the wear life of the tooth profile and to prevent contact failure due to imbalance of the battery tab contact portion and foreign matter.

In addition, the voltage grip terminal 40 can be made slightly longer than the first current grip terminal 30 and the second current grip terminal 33 so that the voltage terminal is first brought into contact with the battery tab during contact, To pursue safety. The length of the front bending piece for voltage is made larger than the length of the front bending piece for current, so that the voltage terminal is first brought into contact with the battery tab at the time of contact.

In addition, current and voltage lines (ie, current and voltage cords) can be centered and connected to the rear current voltage terminals through the left and right holes. The current and voltage lines can be bundled in the center by passing current and voltage lines through a cord guide hole formed in at least one surface of the main body 20. The current and voltage lines are connected to an external voltage current terminal (external current voltage terminal connected to the external power supply unit) It becomes possible to connect. The current and the voltage line can be drawn out in the direction indicated by the arrow in Fig. 7 and connected to the external current voltage terminal.

In the present invention, the first current grip terminal 30 and the second current grip terminal 33 are respectively connected to the terminal grip groove 21 for the current grip terminal and the terminal grip groove 21 for the voltage grip terminal of the main body 20, And the voltage grip terminals are seated so that the coupling structure between the main body 20 and the first current grip terminals 30 and the second current grip terminals 33 and the voltage grip terminals becomes more rigid. It is possible to prevent the first current grip terminal 30 and the second current grip terminals 33 and the voltage grip terminals from flowing left and right in the main body 20, 30, the second current grip terminal 33 and the voltage grip terminal becomes more rigid.

The first current grip terminal 30 and the second current grip terminal 33 and the voltage grip terminal are provided with position holes communicated on both sides and a position pin 21P is provided on the outer surface of the main body 20 The first current grip terminal 30 and the second current grip terminal 33 and the voltage grip terminal are electrically connected to the terminal seating groove 21 on the outer surface of the main body 20 by inserting the position hole into the position pin 21P, The first current grip terminal 30, the second current grip terminal 33, and the voltage grip terminal are assembled to the main body 20 more conveniently and quickly.

In addition, the voltage grip terminal is provided with a rear connecting piece bent at a rear end portion in a direction intersecting the longitudinal direction, and the rear connecting piece is connected to the rear connecting holding piece provided at the rear end of the main body 20, Since the bolt is fixed to the rear joint supporting piece, a more robust effect can be expected in the structure of coupling the voltage gripping end to the main body 20. [

The voltage cord bolt is disposed at the rear end of the main body 20 and the current cord bolt is disposed on the outer surface of the first current grip terminal 30 and the second current grip terminal 33 so as to be out of the voltage cord bolt Therefore, there is an effect that the current code bolt and the voltage code bolt are in contact with each other to prevent an error (an error at the time of charge / discharge of the battery) from occurring.

The first current-grip terminal 30 and the second current-grip terminal 33 and the voltage-grip terminal are physically isolated by the separation barb, so that the first current-grip terminal 30 and the second current- It is possible to more reliably prevent an error (such as an error at the time of charge / discharge of the battery) caused by the contact of the grip terminal 33 and the voltage grip terminal with each other.

The inner surface of the front end of the main body 20 is provided with an inclined surface SF which gradually reduces the thickness between the outer surface and the inner surface of the main body 20, There is also a reduction effect.

The specific embodiments of the present invention have been described above. It is to be understood, however, that the scope and spirit of the present invention is not limited to these specific embodiments, and that various modifications and changes may be made without departing from the spirit of the present invention. If you have, you will understand.

Therefore, it should be understood that the above-described embodiments are provided so that those skilled in the art can fully understand the scope of the present invention. Therefore, it should be understood that the embodiments are to be considered in all respects as illustrative and not restrictive, The invention is only defined by the scope of the claims.

10. Housing body 20. Main body
30. First current grip terminal (30) 33. Second current grip terminal
40. Voltage grip terminal 50. Elastic body

Claims (6)

A housing body (10) having a space communicated with the front and rear surfaces inside;
A pair of main bodies (20) accommodated in the space portion of the housing body (10) and coupled to the housing body (10) via a hinge portion so as to face each other;
A pair of first current grip terminals 30 coupled to the pair of main bodies 20 and disposed to face each other and having a plurality of jaws 30JW;
A pair of second current grip terminals 33 which are coupled to the pair of main bodies 20 so as to be disposed beside the first current grip terminals 30 and are arranged to face each other and have a plurality of jaws 30JW, ;
And a plurality of jaws (40JW) coupled to the pair of main bodies (20) so as to be disposed between the first current grip terminals (30) and the second current grip terminals (33) And a pair of voltage-grip terminals (40).
The method according to claim 1,
And coupling means detachably fixing the first current grip terminal 30, the second current grip terminal 33 and the pair of voltage grip terminals 40 to the main body 20 And a second current-grip terminal-type battery charge / discharge gripper.
The method according to claim 1,
The pair of main body 20 and the pair of first current grip terminals 30 and the pair of second current grip terminals 33 and 33 and the pair of voltage grip terminals 40 An elastic body (50) interposed between the pair of main bodies (20) so as to be opened;
A pair of main bodies 20 and a pair of the first and second current grip terminals 30 and 30 and a pair of the first and second main bodies 20 and 20, And a push block (60) for closing the current grip terminals (33) (33) and the pair of voltage grip terminals (40).
The method according to claim 1,
Further comprising a current cord bolt and a voltage cord bolt (40BO) connecting the first current grip terminal (30), the second current grip terminal (33) and the voltage grip terminal (40) to a current cord and a voltage cord, respectively The current code bolt 30BO is connected to the outer surface of the first current grip terminal 30 and the second current grip terminal 33 and the voltage cord bolt 40BO is connected to the voltage grip terminal 40, Is connected to the rear end of the battery pack.
The method according to claim 1,
Wherein the first current grip terminal 30 and the second current grip terminal 33 and the jaws 30JW and 40JW of the voltage grip terminal 40 are disposed at positions shifted from each other. Terminal type battery charge / discharge gripper.
The method according to claim 1,
A push block (60) entering into the rear end of the pair of main bodies (20);
And a push plate for supporting the push block (60) so that the push block (60) can be moved forward and backward.

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