KR101688327B1 - Probe for testing charging and discharging of secondary battery - Google Patents

Probe for testing charging and discharging of secondary battery Download PDF

Info

Publication number
KR101688327B1
KR101688327B1 KR1020150128950A KR20150128950A KR101688327B1 KR 101688327 B1 KR101688327 B1 KR 101688327B1 KR 1020150128950 A KR1020150128950 A KR 1020150128950A KR 20150128950 A KR20150128950 A KR 20150128950A KR 101688327 B1 KR101688327 B1 KR 101688327B1
Authority
KR
South Korea
Prior art keywords
probe
plunger
secondary battery
body portion
diameter
Prior art date
Application number
KR1020150128950A
Other languages
Korean (ko)
Inventor
최우용
이병일
김현식
Original Assignee
주식회사 메가터치
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 메가터치 filed Critical 주식회사 메가터치
Priority to KR1020150128950A priority Critical patent/KR101688327B1/en
Priority to PCT/KR2015/013899 priority patent/WO2016114506A1/en
Application granted granted Critical
Publication of KR101688327B1 publication Critical patent/KR101688327B1/en
Priority to US15/597,600 priority patent/US10120031B2/en

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • G01R1/06—Measuring leads; Measuring probes
    • G01R1/067—Measuring probes
    • G01R1/06711—Probe needles; Cantilever beams; "Bump" contacts; Replaceable probe pins
    • G01R1/06716—Elastic
    • G01R1/06722—Spring-loaded
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • G01R1/06—Measuring leads; Measuring probes
    • G01R1/067—Measuring probes
    • G01R1/06711—Probe needles; Cantilever beams; "Bump" contacts; Replaceable probe pins
    • G01R1/06716—Elastic
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • G01R1/06—Measuring leads; Measuring probes
    • G01R1/067—Measuring probes
    • G01R1/06711—Probe needles; Cantilever beams; "Bump" contacts; Replaceable probe pins
    • G01R1/06733—Geometry aspects

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Measuring Leads Or Probes (AREA)

Abstract

A charge / discharge test probe for a secondary battery includes: a cylindrical outer plunger having an inner portion penetrated; An inner plunger formed coaxially with the outer plunger and electrically insulated from the outer plunger and vertically flowing inside the outer plunger by an elastic force of the spring; A head unit fixed to an upper end of the outer plunger and having a probe protrusion formed on an upper surface thereof; A receiving groove formed at a predetermined depth in the center of the head portion; And a conductive spiral elastic body inserted into the receiving groove, wherein the spiral elastic body comprises: a body portion formed in a spiral shape at a predetermined angle and interval with a spiral having a predetermined thickness; A probe protrusion forming portion formed on the body portion and having a probe protrusion; And a cylindrical hollow portion formed by connecting the inside of the body portion and the inside of the probe protrusion forming portion.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a probe for charging /

The present invention relates to a charge / discharge test probe for a secondary battery that makes stable testing by making contact with an electrode terminal of a secondary battery by a wider contact area.

Generally, a secondary battery leads to a battery that can be charged and discharged unlike a primary battery that can not be charged, and it can be downsized and lightweight in the field of advanced electronic devices such as a cellular phone, a notebook, an MD player, a computer, and a camcorder , It is excellent in safety even when charged and discharged, and is free from charge and discharge because memory effect does not occur, and is widely used in fields such as portable devices.

As an example of such a secondary battery, a lithium secondary battery includes an electrode assembly in which a positive electrode plate and a negative electrode plate are wound alternately with a separator interposed in a case, and an electrolyte solution is introduced into the electrode assembly. The secondary battery is manufactured in various shapes. Typical shapes include a square shape, a cylindrical shape and a pouch shape.

However, one of the important performance of the secondary battery is the current capacity at the time of discharging. In the secondary battery of the same standard, the scattering of the current capacity is small and must be included in a constant standard. Therefore, for all completed secondary batteries, electrical characteristics including charging and discharging tests are measured, and defective products not included in the standard are excluded.

On the other hand, Korean Patent Laid-Open No. 10-2011-0045890 (name: charge / discharge test probe of voltage-current application type secondary battery) of the probe according to the related art is shown in FIG.

Referring to FIG. 1, a conventional probe includes a cylindrical outer body that is elastically flowed upward and downward; An outer plunger coupled to one end of the outer body; An inner body installed inside the outer body and elastically flowing upward and downward; An inner plunger coupled to one end of the inner body and spaced apart from the outer plunger, the inner plunger being elastically moved up and down; And insulation means for insulating the inner plunger, the inner body, and the outer body from each other, wherein the outer plunger is bolted to one end of the outer body, Wherein one of the upper end of the inner body and the lower end of the inner plunger has one or more elastic grooves and the other of the upper end of the inner body and the lower end of the inner plunger has a recess, And the inner plunger is detachably coupled to one end of the inner body by at least one elastic groove and the interference fit of the recess.

In the conventional probe, contact portions 102 and 902 are formed on the upper surfaces of the heads 101 and 901 to contact the terminals of the secondary battery. The contact portions 102 and 902 are composed of a voltage terminal 102 and a current terminal 902 formed on one plane with a predetermined size. In producing the lithium ion battery and other batteries as the secondary battery, The contact portions 102 and 902 are tilted to one side when the contact portions 102 and 902 are contacted with each other in the battery charge / discharge test step, and the contact is unstable, There is a problem.

An object of the present invention is to provide a contact means having a separate elastic force on a head portion so as to contact an electrode terminal of a secondary battery, The present invention provides a charge / discharge test probe for a secondary battery, which enables one-side contact to increase the contact point area and enables smooth current supply without interruption of current flow.

A probe for charge / discharge test of a secondary battery according to a first preferred embodiment of the present invention includes: a cylindrical outer plunger having an inner perforation; An inner plunger formed coaxially with the outer plunger and electrically insulated from the outer plunger and vertically flowing inside the outer plunger by an elastic force of the spring; A head unit fixed to an upper end of the outer plunger and having a probe protrusion formed on an upper surface thereof; A receiving groove formed at a predetermined depth in the center of the head portion; And a conductive spiral elastic body to be inserted into the receiving groove.

Wherein the helical elastic body comprises: a body portion having a predetermined thickness and formed at predetermined angles and intervals; A probe protrusion forming portion formed on the body portion and having a probe protrusion; And a cylindrical hollow portion formed by connecting the inside of the body portion and the inside of the probe protrusion forming portion. In addition, the diameter of the probe protrusion forming portion is larger than the diameter of the body portion.

It is preferable that a diameter of a portion for accommodating the body portion is smaller than a diameter of a portion for accommodating the probe protrusion forming portion.

In addition, the receiving groove may have a fixing space portion formed at a lower side thereof with a diameter larger than a diameter of a portion for receiving the body portion, and a communication hole penetrating the bottom surface of the fixing space portion such that the inner plunger protrudes .

The helical elastic body may further include a fixing portion located at a lower portion of the body portion and having a larger diameter than the body portion. In addition, it is preferable that the fixing portion is inserted into the fixing space portion of the receiving groove. Preferably, the helical elastic body protrudes at a predetermined height from the probe protrusion of the head portion, and is elastically deformed by compression due to contact with the electrode terminal of the secondary battery, and is restored when the compression force is released.

A probe for charge / discharge test of a secondary battery according to a second preferred embodiment of the present invention includes: a cylindrical outer plunger having an inner perforation; An inner plunger formed coaxially with the outer plunger and electrically insulated from the outer plunger and vertically flowing inside the outer plunger by an elastic force of the spring; A head unit fixed to an upper end of the outer plunger and having a probe protrusion formed on an upper surface thereof; A receiving groove formed at a predetermined depth in the center of the head portion; And a plurality of conductive helical elastic bodies to be inserted into the receiving groove.

Wherein each of the plurality of helical elastic bodies includes: a body portion having a predetermined thickness and formed at predetermined angles and intervals; A cylindrical hollow portion formed in the body portion; A probe protrusion formed on an upper portion of the body portion; And a fixing part located at a lower portion of the body part and having a larger diameter than the body part.

Preferably, the receiving groove has a fixing space portion formed at a lower side thereof with a diameter larger than the upper diameter, and a communication hole penetrating the bottom surface of the fixing space portion so that the inner plunger protrudes. In addition, the fixing portion is inserted into the fixing space portion of the receiving groove.

Each of the plurality of helical elastic bodies protrudes at a predetermined height from the probe protrusion of the head portion and is resiliently deformed by compression due to contact with the electrode terminal of the secondary battery and restored upon release of the compression force. In addition, it is preferable that the plurality of helical elastic bodies is one helical elastic body inserted into another helical elastic body.

According to the probe for charge / discharge test of the secondary battery of the present invention, the contact portion having a separate elastic force is formed on the head portion so as to be in contact with the electrode terminal of the secondary battery, The contact point area is increased, and smooth current supply is possible without interruption of current flow.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view of a conventional voltage / current applied type secondary battery charge / discharge test probe. FIG.
2 is a perspective view of a probe according to a first embodiment of the present invention;
FIG. 3 is a partially exploded perspective view showing a state in which a spiral elastic body of the probe according to the first embodiment of the present invention is partially separated. FIG.
4 is a top plan view of the head of the probe according to the first embodiment of the present invention.
5 is a perspective view of a helical elastic body of a probe according to the first embodiment of the present invention.
6 is a partial sectional view of a head of a probe according to the first embodiment of the present invention.
7 is an enlarged view of a part of a head of a probe according to the first embodiment of the present invention.
8 and 9 are operation states of a probe according to the first embodiment of the present invention.
10 is a perspective view of a probe according to a second embodiment of the present invention;
11 is a partially exploded perspective view showing a state in which two helical elastic bodies of the probe according to the second embodiment of the present invention are partially separated.
12 is a plan view of a head of a probe according to a second embodiment of the present invention.
13 is a perspective view of two helical elastic bodies of a probe according to a second embodiment of the present invention.
FIG. 14 is a partial sectional view of a head of a probe according to a second embodiment of the present invention; FIG.
15 is an enlarged view of a part of a head of a probe according to a second embodiment of the present invention;
16 and 17 are operation states of the probe according to the second embodiment of the present invention.

Hereinafter, a charge / discharge test probe for a secondary battery according to embodiments of the present invention will be described in detail with reference to the accompanying drawings.

It should be understood that the following embodiments of the present invention are only for embodying the present invention and do not limit or limit the scope of the present invention. It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the following claims.

The core of the test probe of the secondary battery according to the present invention includes a separate contact means on the head part 130 so as to be able to contact the electrode terminal 10 of the secondary battery, So that it has excellent current flow as the contact point area increases.

Before describing the charge / discharge test probes 1000 and 2000 of the secondary battery according to the embodiments of the present invention, the configuration of a charge / discharge test probe of a general secondary battery will be briefly described.

The basic configuration of the charge / discharge test probe for a secondary battery is provided inside a cylindrical outer plunger and an outer plunger, which protrude up and down, and are electrically insulated from the outer plunger. And an inner plunger capable of flowing into the inner plunger.

Also, a stopper may be formed in the lower end of the inner plunger so that the test can be performed while the lower end of the stopper is electrically connected to the test equipment.

The charge / discharge test probes 1000 and 2000 of the secondary battery according to the embodiments of the present invention are similar to the charge / discharge test probes of the conventional secondary battery described above. A detailed description will be given below of a separate contact means for increasing the surface contact with the electrode terminal 10 in the head part 130 formed on the upper part of the outer plunger 110 as a core.

2 to 9 are views showing a charge / discharge test probe 1000 for a secondary battery according to a first preferred embodiment of the present invention. 2 to 9, a charge / discharge test probe 1000 for a secondary battery according to a first preferred embodiment of the present invention will be described.

The probe 1000 for charge / discharge test of the secondary battery according to the first embodiment of the present invention uses a spiral elastic body 220. It is preferable that the helical elastic body 220 is made by a special processing of a pipe in a processing machine.

The head portion 130 is fixed to the upper end of the outer plunger 110 and the probe protrusion 134 is formed on the upper surface thereof to have a contact point with the electrode terminal 10. In addition, a receiving groove can be formed at a predetermined depth in the center of the head part 130. [

The helical elastic body 220 is inserted into the receiving groove.

The helical elastic body 220 is conductive and has a contact point with the electrode terminal 10. The helical elastic body 220 is brought into contact with the electrode terminal 10 and added to the probe protrusion 134 of the head portion 130 to widen the contact surface and to transmit more current. And the helical elastic body 220 can compensate for the tolerance that may be caused when the probe protrusion 134 of the head part 130 contacts the electrode terminal 10. [

The helical elastic body 220 has the following characteristics. That is, the helical elastic body 220 may be provided with a body portion 222 having a predetermined thickness and predetermined angular spacing. The body portion 222 has a spiral shape similar to a spring shape, and the spiral shape can be a plate shape. The body portion 222 may form a circular hollow portion 224 therein. The helical elastic body 220 is formed on the upper portion of the body portion 222 and the probe protrusion 227 has the probe protrusion forming portion 226. The probe protrusion forming portion 226 is characterized in that it is formed in a plate shape having a circular hollow hollow portion 224 extending from the circular hollow portion and having a predetermined thickness. The diameter of the probe protrusion forming portion 226 is formed larger than the diameter of the body portion 222 so that the probe protrusion 227 can be formed over a wide area.

 The helical elastic body 220 may have a fixed portion 228 having a spiral extending to a lower portion of the body portion 222 and the fixed portion 228 may be formed to have a wider diameter than the body portion 222 . At this time, the fixing portion 228 is inserted into the fixing space portion 212 of the receiving groove to insert and fix the helical elastic body 220 in the center of the head portion 130.

The helical elastic body 220 preferably protrudes at a predetermined height from the probe protrusion 134 of the head portion 130.

The receiving groove includes a fixed space portion 212, a body accommodating portion 214, and a probe protrusion forming portion accommodating portion 216.

The diameter of the body accommodating portion 214 for accommodating the body portion 222 of the helical elastic body 220 is smaller than the diameter of the probe protruding portion accommodating portion 226 for accommodating the probe protruding portion 226 of the helical elastic body 220 216). A fixing space portion 212 is formed at a lower side of the receiving groove to have a diameter larger than the diameter of the body portion receiving portion 214 for receiving the body portion 222, A communication hole 218 is formed through the inner plunger 120 so that the inner plunger 120 protrudes.

Specifically, the helical elastic body 220 may be inserted into the receiving groove to protrude from the probe protrusion 134 of the head portion 130 at a predetermined height.

The operation of the charge / discharge test probe 1000 of the secondary battery according to the first embodiment of the present invention will be described in detail with reference to FIGS. 8 and 9. First, The inner plunger 120 has a contact point at which it contacts the electrode terminal 10 and can be contacted with the electrode terminal 10 while the helical elastic body 220 is compressed around the inner plunger 120 in a secondary direction. And the probe protrusion 134 of the head part 130 may finally contact the electrode terminal 10. [

The helical elastic body 220 is resiliently deformed by compression due to contact with the electrode terminal 10, separated from the electrode terminal 10, and can be restored when the compression force is released.

The head 130 contacts the electrode terminal 10 while the inner plunger 120 is in contact with the electrode terminal 10 at the first time during the test of the secondary battery and the secondary helical elastic body 220 contacts the electrode terminal 10, The probe protrusion 134 of the head unit 130 can be sequentially brought into contact with the electrode terminal 10 and sensed.

10 to 17 are views showing a charge / discharge test probe 2000 of a secondary battery according to a second preferred embodiment of the present invention. A charge / discharge test probe 2000 for a secondary battery according to a second preferred embodiment of the present invention will be described with reference to FIGS. 10 to 17. FIG.

The charge / discharge test probe 2000 of the secondary battery according to the second embodiment of the present invention includes the charge / discharge test probe 1000 of the secondary battery according to the first embodiment of the present invention, It is to be understood that they include the same features.

The charge / discharge test probe 2000 of the secondary battery according to the second embodiment of the present invention uses a plurality of helical elastic bodies 320a and 320b. It is preferable that each of the plurality of helical elastic bodies 320a and 320b is made by a special processing of a pipe in a processing machine.

The head portion 130 is fixed to the upper end of the outer plunger 110 and the probe protrusion 134 is formed on the upper surface thereof to have a contact point with the electrode terminal 10. In addition, a receiving groove can be formed at a predetermined depth in the center of the head part 130. [

A plurality of helical elastic bodies 320a and 320b are inserted into the receiving groove. However, two spiral elastic bodies 320a and 320b are illustrated in Figs. 10 to 17, respectively.

Each of the plurality of helical elastic bodies 320a and 320b is conductive and has a contact point with the electrode terminal 10. The plurality of helical elastic bodies 320a and 320b are brought into contact with the electrode terminal 10 and added to the probe protrusion 134 of the head part 130 to widen the contact surface and to transmit more current. The plurality of helical elastic bodies 320a and 320b can compensate for the tolerance that may be caused when the probe protrusion 134 of the head part 130 contacts the electrode terminal 10.

Each of the plurality of helical elastic bodies 320a and 320b has the following characteristics. That is, each of the plurality of helical elastic bodies 320a and 320b includes body portions 322a and 322b formed with spirals with predetermined thicknesses and predetermined angular intervals. The body portions 322a and 322b have a spiral shape similar to a spring shape, and the spiral shape can be a plate shape. The body portions 322a and 322b may have circular hollow portions 324a and 324b formed therein. Each of the plurality of helical elastic bodies 320a and 320b includes cylindrical hollow portions 324a and 324b formed in the body portions 322a and 322b and probe projections 327a and 327b formed on the upper portions of the body portions 322a and 322b 328b which are formed at lower portions of the body portions 322a and 322b and whose spirals extend to the lower portions of the body portions 322a and 322b and are wider than the body portions 322a and 322b, Respectively. The fixing portions 328a and 328b may be inserted into the fixing space portion 312 of the receiving groove to insert and fix the helical elastic bodies 320a and 320b in the center of the head portion 130. [

Each of the plurality of helical elastic bodies 320a and 320b preferably protrudes at a predetermined height from the probe protrusion 134 of the head portion 130. [ In addition, one helical elastic body 320a is accommodated in the receiving groove in such a manner that it is inserted into the other helical elastic body 320b.

The receiving groove includes a fixing space portion 312 and a body portion receiving portion 314.

A fixing space portion 312 having a diameter larger than the diameter of the body portion accommodating portion 314 for accommodating the body portions 322a and 322b is formed on the lower side of the receiving groove, A communication hole 318 may be formed to penetrate the inner plunger 120 so as to protrude therefrom.

More specifically, a plurality of helical elastic bodies 320a and 320b may be inserted into the receiving groove to protrude from the probe protrusion 134 of the head part 130 at a predetermined height.

The operation of the charging / discharging test probe 2000 of the secondary battery according to the second embodiment of the present invention will be described in detail with reference to FIGS. 16 and 17. First, in the primary head part 130, The inner plunger 120 has a contact point at which it contacts the electrode terminal 10 and the plurality of helical elastic bodies 320a and 320b are compressed around the inner plunger 120 in the second order, have. And the probe protrusion 134 of the head part 130 may finally contact the electrode terminal 10. [

The plurality of helical elastic bodies 320a and 320b are resiliently deformed by compression due to contact with the electrode terminal 10 and are separated from the electrode terminal 10 and can be restored again when the compression force is released.

As described above, the head unit 130 contacts the electrode terminal 10 while the inner plunger 120 is in contact with the electrode terminal 10 at the first time during the test of the secondary battery, and a plurality of helical elastic bodies 320a, And the probe protrusion 134 of the third-order head unit 130 sequentially contacts the electrode terminal 10 and can be sensed.

In summary, the charge / discharge test probes 1000 and 2000 of the secondary battery according to the first and second preferred embodiments of the present invention have the following common characteristics.

That is, the charge and discharge test probes 1000 and 2000 of the secondary battery according to the first and second preferred embodiments of the present invention include a cylindrical outer plunger 110, an outer plunger 110, An inner plunger 120 formed coaxially with the outer plunger 110 and electrically insulated from the outer plunger 110 and flowing upward and downward within the outer plunger 110 by an elastic force of the spring, A center hole 132 penetrating the protrusion 120 to protrude the protrusion 134 and a protrusion 134 formed on the top surface of the protrusion 134 and a helical elastic body 220, . At this time, it is preferable that the helical elastic bodies 220, 320a, and 320b protrude at a predetermined height from the probe protrusion 134 of the head part 130. [ The helical elastic bodies 220, 320a and 320b have contact points with the electrode terminals 10 of the secondary battery and are resiliently deformed by compression due to contact with the electrode terminals 10 and spaced apart from the electrode terminals 10, It can be restored again.

As described above, according to the charge / discharge test probes 1000 and 2000 of the secondary battery of the present invention, since the head unit 130 can be brought into contact with the secondary battery electrode terminal 10, The helical elastic bodies 220, 320a, and 320b can be formed in a horizontal plane contact with the electrode terminal 10 of the secondary battery, thereby increasing the contact point area and supplying the current smoothly without disconnecting the current flow.

1000: A charge / discharge test probe for a secondary battery according to the first embodiment of the present invention
2000: A charge / discharge test probe for a secondary battery according to the second embodiment of the present invention
110: outer plunger 120: inner plunger
130: head part 132: center hole
134: Probe projection of the head portion
212, 312: Fixed space part 214, 314: Body part accommodating part
216: probe protrusion forming portion accommodating portion 218, 318: communicating hole
220, 320a, 320b: helical elastic body 222, 322a, 322b:
224, 324a, 324b: hollow portion 226: probe protrusion forming portion
227, 327a, 327b: probe protrusions 228, 328a, 328b:
10: Electrode terminal

Claims (15)

A cylindrical external plunger having an internal perforation;
An inner plunger formed coaxially with the outer plunger and electrically insulated from the outer plunger and vertically flowing inside the outer plunger by an elastic force of the spring;
A head unit fixed to an upper end of the outer plunger and having a probe protrusion formed on an upper surface thereof;
A receiving groove formed at a predetermined depth in the center of the head portion; And
And a conductive spiral elastic body inserted into the receiving groove,
The helically-
A body portion having a predetermined thickness and formed at predetermined angles and intervals;
A probe protrusion forming portion formed on the body portion and having a probe protrusion; And
And a cylindrical hollow portion formed by connecting the inside of the body and the inside of the probe protrusion forming portion. The method according to claim 1,
The diameter of the probe protrusion forming portion
Wherein the diameter of the body portion is larger than the diameter of the body portion. 3. The method according to claim 1 or 2,
Wherein,
Wherein a diameter of a portion for accommodating the body portion is smaller than a diameter of a portion for accommodating the probe protrusion forming portion. The method of claim 3,
Wherein,
A fixing space portion formed at a lower side with a diameter larger than a diameter of a portion for receiving the body portion,
Wherein a communication hole is formed in the bottom surface of the stationary space part so that the inner plunger protrudes from the bottom surface of the stationary space part. 5. The method of claim 4,
The helically-
And a fixing unit disposed at a lower portion of the body portion and having a larger diameter than the body portion. 6. The method of claim 5,
The fixing unit includes:
And the second electrode is inserted into the fixing space portion of the receiving groove. The method according to claim 1,
The helically-
Wherein the protrusion protrudes at a predetermined height from the probe protrusion of the head portion. The method according to claim 1,
The helically-
Wherein the secondary battery is restored upon elastic deformation due to compression due to contact with an electrode terminal of the secondary battery and when the compression force is released. A cylindrical external plunger having an internal perforation;
An inner plunger formed coaxially with the outer plunger and electrically insulated from the outer plunger and vertically flowing inside the outer plunger by an elastic force of the spring;
A head unit fixed to an upper end of the outer plunger and having a probe protrusion formed on an upper surface thereof;
A receiving groove formed at a predetermined depth in the center of the head portion; And
And a plurality of conductive helical elastic bodies to be inserted into the receiving groove. 10. The method of claim 9,
Wherein each of the plurality of helical elastic bodies comprises:
A body portion having a predetermined thickness and formed at predetermined angles and intervals;
A cylindrical hollow portion formed in the body portion;
A probe protrusion formed on an upper portion of the body portion; And
And a securing portion located at a lower portion of the body portion and having a larger diameter than the body portion. 11. The method of claim 10,
Wherein,
A fixing space portion formed at a lower side with a diameter larger than the diameter of the upper portion is formed,
Wherein a communication hole is formed in the bottom surface of the stationary space part so that the inner plunger protrudes from the bottom surface of the stationary space part. 12. The method of claim 11,
The fixing unit includes:
And the second electrode is inserted into the fixing space portion of the receiving groove. 10. The method of claim 9,
Wherein each of the plurality of helical elastic bodies comprises:
Wherein the protrusion protrudes at a predetermined height from the probe protrusion of the head portion. 10. The method of claim 9,
Wherein each of the plurality of helical elastic bodies comprises:
Wherein the secondary battery is restored upon elastic deformation due to compression due to contact with an electrode terminal of the secondary battery and when the compression force is released. 10. The method of claim 9,
Wherein the plurality of helical elastic bodies comprise:
Wherein one helical elastic body is inserted into another helical elastic body.


KR1020150128950A 2015-01-14 2015-09-11 Probe for testing charging and discharging of secondary battery KR101688327B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020150128950A KR101688327B1 (en) 2015-09-11 2015-09-11 Probe for testing charging and discharging of secondary battery
PCT/KR2015/013899 WO2016114506A1 (en) 2015-01-14 2015-12-18 Probe for testing charging/discharging of secondary battery
US15/597,600 US10120031B2 (en) 2015-01-14 2017-05-17 Probe for testing charging/discharging of secondary battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150128950A KR101688327B1 (en) 2015-09-11 2015-09-11 Probe for testing charging and discharging of secondary battery

Publications (1)

Publication Number Publication Date
KR101688327B1 true KR101688327B1 (en) 2016-12-20

Family

ID=57734377

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150128950A KR101688327B1 (en) 2015-01-14 2015-09-11 Probe for testing charging and discharging of secondary battery

Country Status (1)

Country Link
KR (1) KR101688327B1 (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108931740A (en) * 2018-09-11 2018-12-04 昆山康信达光电有限公司 A kind of probe clamp for lithium battery performance test
KR102019040B1 (en) * 2018-07-17 2019-09-06 퀄맥스시험기술 주식회사 Probe for battery charge and discharge test
KR102200219B1 (en) * 2020-04-09 2021-01-08 주식회사 메가터치 Probe for battery test and the inner plunger
KR102202827B1 (en) * 2020-10-27 2021-01-14 (주) 네스텍코리아 Probe pin and coaxial probe assembly using the same
KR102245540B1 (en) * 2020-04-09 2021-04-28 주식회사 메가터치 Probe for battery test and the probing module
KR102328046B1 (en) 2021-03-02 2021-11-17 주식회사 프로이천 Probe For Aging Secondary Battery
KR102378344B1 (en) * 2021-11-02 2022-03-25 주식회사 프로이천 Retractable Probe For Aging Secondary Battery
KR20220046160A (en) * 2020-10-07 2022-04-14 주식회사 원익피앤이 Secondary battery charge and discharge test probe
KR20220146818A (en) * 2021-04-26 2022-11-02 주식회사 에이플러스알에프 Printed circuit board test connector

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040022004A (en) * 2002-09-06 2004-03-11 삼성에스디아이 주식회사 Probe for testing secondary battery
KR20040072069A (en) * 2003-02-08 2004-08-18 삼성에스디아이 주식회사 Probe for testing secondary battery
KR20110045890A (en) * 2009-10-28 2011-05-04 주식회사 타이스전자 Secondary cell charge-discharge test probe for applying voltage and current
KR20150026558A (en) * 2013-09-03 2015-03-11 주식회사 엘지화학 Test probe for detecting charge and discharge of the secondary battery

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040022004A (en) * 2002-09-06 2004-03-11 삼성에스디아이 주식회사 Probe for testing secondary battery
KR20040072069A (en) * 2003-02-08 2004-08-18 삼성에스디아이 주식회사 Probe for testing secondary battery
KR20110045890A (en) * 2009-10-28 2011-05-04 주식회사 타이스전자 Secondary cell charge-discharge test probe for applying voltage and current
KR20150026558A (en) * 2013-09-03 2015-03-11 주식회사 엘지화학 Test probe for detecting charge and discharge of the secondary battery

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102019040B1 (en) * 2018-07-17 2019-09-06 퀄맥스시험기술 주식회사 Probe for battery charge and discharge test
CN108931740A (en) * 2018-09-11 2018-12-04 昆山康信达光电有限公司 A kind of probe clamp for lithium battery performance test
CN108931740B (en) * 2018-09-11 2023-09-05 康信达科技(苏州)有限公司 Probe fixture for testing electrical performance of lithium battery
KR102200219B1 (en) * 2020-04-09 2021-01-08 주식회사 메가터치 Probe for battery test and the inner plunger
KR102245540B1 (en) * 2020-04-09 2021-04-28 주식회사 메가터치 Probe for battery test and the probing module
KR20220046160A (en) * 2020-10-07 2022-04-14 주식회사 원익피앤이 Secondary battery charge and discharge test probe
KR102404010B1 (en) 2020-10-07 2022-05-31 주식회사 원익피앤이 Secondary battery charge and discharge test probe
KR102202827B1 (en) * 2020-10-27 2021-01-14 (주) 네스텍코리아 Probe pin and coaxial probe assembly using the same
KR102328046B1 (en) 2021-03-02 2021-11-17 주식회사 프로이천 Probe For Aging Secondary Battery
KR20220146818A (en) * 2021-04-26 2022-11-02 주식회사 에이플러스알에프 Printed circuit board test connector
KR102503437B1 (en) 2021-04-26 2023-02-24 주식회사 에이플러스알에프 Printed circuit board test connector
KR102378344B1 (en) * 2021-11-02 2022-03-25 주식회사 프로이천 Retractable Probe For Aging Secondary Battery

Similar Documents

Publication Publication Date Title
KR101688327B1 (en) Probe for testing charging and discharging of secondary battery
US10120031B2 (en) Probe for testing charging/discharging of secondary battery
KR101597484B1 (en) Probe for testing secondary battery
US8354179B2 (en) Secondary battery
KR101841826B1 (en) Probe for battery test
KR100958136B1 (en) Test probe of battery
KR101951311B1 (en) Test probe of battery with multi-contact point
KR101934710B1 (en) Test probe of battery
EP2924767A2 (en) Rechargeable battery
KR101772062B1 (en) Probe Used in Charging and Discharging or Test of Secondary Battery
KR102341402B1 (en) Battery module
KR20040072069A (en) Probe for testing secondary battery
US20240103082A1 (en) Vibration test jig and vibration test apparatus for cylindrical battery cell
KR101498617B1 (en) Probe for testing secondary battery
KR101886719B1 (en) Holder for holding button type elecric cell
KR101032700B1 (en) Gripper assembly for formation of battery
KR100479762B1 (en) test probe for lithium ion battery
CN109804483B (en) Belt assembly
KR20160024338A (en) Rechargeable battery having insulatiing member
KR101720403B1 (en) Jig For Charging And Discharging Cylinderical Battery
KR20150089831A (en) Battery Pack
KR100423955B1 (en) test probe for lithium ion battery
KR200382109Y1 (en) test probe for lithium ion battery
EP3671942A1 (en) Terminal case having improved secondary battery state estimation function
KR102242244B1 (en) Secondary Battery

Legal Events

Date Code Title Description
E701 Decision to grant or registration of patent right
GRNT Written decision to grant