CN208636359U - A kind of high current probe unit - Google Patents

A kind of high current probe unit Download PDF

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Publication number
CN208636359U
CN208636359U CN201820386094.4U CN201820386094U CN208636359U CN 208636359 U CN208636359 U CN 208636359U CN 201820386094 U CN201820386094 U CN 201820386094U CN 208636359 U CN208636359 U CN 208636359U
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China
Prior art keywords
electric current
needle
current needle
fixing piece
nut
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CN201820386094.4U
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Chinese (zh)
Inventor
曹骥
蔡清源
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Zhejiang Hangke Technology Co Ltd
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Zhejiang Hangke Technology Co Ltd
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Priority to CN201820386094.4U priority Critical patent/CN208636359U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

A kind of high current probe unit, including probe fixing piece, electric current needle, voltage needle, spring and nut assembly, probe fixing piece are insulator, and probe fixing piece has the installation through-hole passed through for electric current needle lower end;Electric current needle is the cylindrical-shaped structure with axially extending bore, and electric current needle upper surface is the flute profile contact surface that can be contacted with battery pole ear, and electric current needle lower end is spirally connected nut assembly after running through from the installation through-hole of probe fixing piece;Spring pocket is outside electric current needle, and spring upper end is against on electric current needle flute profile contact surface, and lower end is against on the top convex shoulder of probe fixing piece;Voltage needle is inserted into the axially extending bore of electric current needle, the tip-like structure that there is at least one to upwardly extend for the upper end of voltage needle, and voltage needle lower end connecting terminal, electric current needle lower end connecting terminal difference respective wire are electrically connected with power-supply device.The utility model beneficial effect is: replacement operation is convenient, crimping high reliablity, contact resistance is small, is suitable for cylindrical or square lithium ion power battery charging/discharging apparatus uses.

Description

A kind of high current probe unit
Technical field
The utility model relates to a kind of high current probe units.
Background technique
High current probe is basic components important in the chemical conversion of cylindrical or square lithium-ion power battery and partial volume equipment, It is made of a column type electric current needle and a voltage needle.It can be the case where not damaging battery pole ear surface and conveniently clamping Under, realize being reliably connected between battery pole ear and charge and discharge power supply.
Summary of the invention
In order to solve to remodel existing for existing apparatus it is inconvenient, cost-effective hurt battery pole ear surface, contact resistance is big the disadvantages of, The utility model provide a kind of convenient replacement operation, crimping high reliablity, contact resistance is small, be suitable for cylindrical or rectangular lithium from The high current probe unit that sub- power battery charging/discharging apparatus uses.
A kind of high current probe unit described in the utility model, it is characterised in that: including probe fixing piece, electric current needle, Voltage needle, spring and nut assembly, the probe fixing piece is insulator, and the probe fixing piece has under electric current needle Hold across installation through-hole;The electric current needle is the cylindrical-shaped structure with axially extending bore, and electric current needle upper surface is can be with battery The flute profile contact surface of tab contact, the lower end of the electric current needle are spirally connected for solid after running through from the installation through-hole of probe fixing piece Determine the nut assembly of wire connecting ends;The spring pocket is outside electric current needle, and the upper end of spring is against electric current needle flute profile and connects In contacting surface, lower end is against on the top convex shoulder of probe fixing piece;The axially extending bore of the voltage needle insertion electric current needle, both ends are passed through Galvanization needle both ends of the surface, the tip-like structure that there is at least one to upwardly extend for the upper end of voltage needle, the lower terminated line of voltage needle Terminal, electric current needle lower end connecting terminal difference respective wire be electrically connected with power-supply device.
The electric current needle is axially divided into contact-segment for contacting with battery pole ear along it, for being socketed from top to bottom The interlude of spring and thread segment for fixture nut component, the outer diameter of the contact-segment are greater than the outer of the interlude Diameter, and the outer end face of the contact-segment is flute profile contact surface;The interlude of the electric current needle is socketed spring, and wherein spring is upper End is against on electric current needle contact-segment inner face, and lower end is against on the top convex shoulder of probe fixing piece;The thread segment of the electric current needle As current wiring terminal, the connecting terminal of electric current needle is electrically connected by being screwed onto its external nut assembly with conducting wire one end, is led The line other end is electrically connected with power supply unit.
The interlude of the electric current needle and thread segment junction are equipped with annular convex shoulder.
To lower recess, contact jaw extends upward to multiple tip-like structures at the top contact face center of the voltage needle, And tip-like structure is circumferentially distributed along contact end margin.
The tip-like structure includes the skew back face of two intersections, a circular arc side and tip, and two sides inclined-plane intersects rib On the inside of voltage needle, circular arc side is located on the outside of voltage needle, and the cylindrical side wall of circular arc side bottom and voltage needle one Molding, circular arc side on both sides side are intersected with ipsilateral skew back face respectively, and circular arc side, skew back extend upwardly tapered formation point altogether End.
The nut assembly includes the first nut, the second nut, spring washer and plain cushion, first nut, spring washer, plain cushion And second nut be sequentially sleeved in the thread segment of electric current needle, and first nut, the second nut spiral shell with electric current needle respectively Line section is spirally connected, and clamps spring washer and plain cushion between two nuts.
The beneficial effects of the utility model are: 1) dismount easy to maintain;
2) contact surface of electric current needle is designed using laciniation, is contacted not when can prevent battery pole ear surface from having foreign matter It is good;
3) voltage needle is used for battery voltage detection, can be suitably used for 30A-150A current range, and the end face of voltage needle is to adopt With tip-like, it is relatively reliable to contact battery pole ear surface;
4) buffer function when spring plays probe current needle and the compression of voltage needle, probe fixing piece are fixedly mounted for probe On, nut, spring washer, plain cushion are used for the arrangement and fixation of connecting terminal.
Detailed description of the invention
Fig. 1 is the front view of the utility model.
Fig. 2 is the bottom view of the utility model.
Fig. 3 is the top view of the utility model.
Fig. 4 is one of explosive view of the utility model.
Fig. 5 is the two of the explosive view of the utility model.
Fig. 6 is the flute profile contact face structure figure of the utility model.
Specific embodiment
The utility model is further illustrated with reference to the accompanying drawing.
Referring to attached drawing:
A kind of high current probe unit described in the utility model of embodiment 1, including probe fixing piece 1, electric current needle 2, electricity Pressing 3, spring 4 and nut assembly 5, the probe fixing piece 1 is insulator, and the probe fixing piece 1 has for electric current The installation through-hole 11 that 2 lower end of needle passes through;The electric current needle 2 is the cylindrical-shaped structure with axially extending bore, and 2 upper surface of electric current needle is The flute profile contact surface that can be contacted with battery pole ear, after the lower end of the electric current needle 2 is run through from the installation through-hole of probe fixing piece The nut assembly 5 being spirally connected for fixing wire connecting ends;4 sets of the spring is outside electric current needle 2, and the upper end of spring 4 is supported In electric current needle flute profile contact surface bottom, lower end is against on the top convex shoulder 12 of probe fixing piece 1;The voltage needle 3 is inserted into electric current The axially extending bore of needle 2, both ends perforation electric current needle both ends of the surface, the needle point that there is at least one to upwardly extend for the upper end of voltage needle 3 Shape structure 31, the lower end connecting terminal of voltage needle, electric current needle lower end connecting terminal respective wire and power-supply device are electrically connected respectively It connects.
The electric current needle 2 is axially divided into contact-segment 21 for contacting with battery pole ear along it from top to bottom, is used for It is socketed the interlude 22 of spring and the thread segment 23 for fixture nut component, the outer diameter of the contact-segment 21 is greater than in described Between section 22 outer diameter, and the outer end face of the contact-segment 21 be flute profile contact surface 211;22 sets of the interlude of the electric current needle 2 Spring 4 is connect, wherein the upper end of spring 4 is against on electric current needle contact-segment inner face, and lower end is against the top convex shoulder of probe fixing piece 1 On 12;The thread segment 23 of the electric current needle 2 is used as current wiring terminal, and the connecting terminal of electric current needle 2 is by being screwed onto outside it Nut assembly 5 be electrically connected with conducting wire one end, the conducting wire other end is electrically connected with power supply unit.
The interlude 22 of the electric current needle 2 and 23 junction of thread segment are equipped with annular convex shoulder 24.
To lower recess, contact jaw extends upward to multiple tip-like structures at the top contact face center of the voltage needle 3 31, and tip-like structure 31 is circumferentially distributed along contact end margin.
The tip-like structure 31 includes skew back face, a circular arc side and the tip of two intersections, the intersection of two sides inclined-plane Faceted pebble is to voltage needle inside, and circular arc side is located on the outside of voltage needle, and the cylindrical side wall one of circular arc side bottom and voltage needle Body formed, circular arc side on both sides side is intersected with ipsilateral skew back face respectively, and circular arc side, skew back extend upwardly tapered formation altogether Tip.
The nut assembly 5 include the first nut 51, the second nut 52, spring washer 53 and plain cushion 54, first nut, Spring washer, plain cushion and the second nut are sequentially sleeved in the thread segment of electric current needle, and first nut, the second nut respectively with electricity The thread segment of stream needle is spirally connected, and clamps the spring washer and plain cushion between two nuts.
Content described in this specification embodiment is only an enumeration of the implementation forms of the utility model concept, this is practical new The protection scope of type should not be construed as being limited to the specific forms stated in the embodiments, and the protection scope of the utility model is also wrapped Include those skilled in the art according to the utility model design it is conceivable that equivalent technologies mean.

Claims (6)

1. a kind of high current probe unit, it is characterised in that: including probe fixing piece, electric current needle, voltage needle, spring and nut Component, the probe fixing piece is insulator, and the probe fixing piece has the installation through-hole passed through for electric current needle lower end;Institute Stating electric current needle is the cylindrical-shaped structure with axially extending bore, and electric current needle upper surface is that the flute profile that can be contacted with battery pole ear contacts Face, the nut that the lower end of the electric current needle is spirally connected after running through from the installation through-hole of probe fixing piece for fixing wire connecting ends Component;The spring pocket is outside electric current needle, and the upper end of spring is against on electric current needle flute profile contact surface, and lower end is against probe On the top convex shoulder of fixing piece;The axially extending bore of the voltage needle insertion electric current needle, both ends perforation electric current needle both ends of the surface, voltage The upper end of needle has at least one tip-like structure for upwardly extending, the lower termination of the lower end connecting terminal of voltage needle, electric current needle Line terminals pass through respective wire respectively and are electrically connected with power-supply device.
2. a kind of high current probe unit as described in claim 1, it is characterised in that: the electric current needle along its axial direction on to Under be divided into the contact-segment for contacting with battery pole ear, the interlude for being socketed spring and for fixture nut component Thread segment, the outer diameter of the contact-segment is greater than the outer diameter of the interlude, and the outer end face of the contact-segment connects for flute profile Contacting surface;The interlude of the electric current needle is socketed spring, and wherein the upper end of spring is against on electric current needle contact-segment inner face, and lower end is supported On the top convex shoulder of probe fixing piece;The thread segment of the electric current needle is as current wiring terminal, the connecting terminal of electric current needle It is electrically connected by being screwed onto its external nut assembly with conducting wire one end, the conducting wire other end is electrically connected with power supply unit.
3. a kind of high current probe unit as claimed in claim 2, it is characterised in that: the interlude and screw thread of the electric current needle Section junction is equipped with annular convex shoulder.
4. a kind of high current probe unit as described in claim 1, it is characterised in that: the top contact face of the voltage needle Center is to lower recess, and contact jaw extends upward to multiple tip-like structures, and tip-like structure is circumferentially distributed along contact end margin.
5. a kind of high current probe unit as claimed in claim 4, it is characterised in that: the tip-like structure includes two intersections Skew back face, a circular arc side and tip, two sides inclined-plane intersects faceted pebble on the inside of voltage needle, and circular arc side is located at voltage needle Outside, and circular arc side on both sides side is intersected with ipsilateral skew back face respectively, circular arc side, skew back extend upwardly tapered formation altogether Tip.
6. a kind of high current probe unit as described in claim 1, it is characterised in that: the nut assembly includes the first spiral shell Mother, the second nut, spring washer and plain cushion, first nut, spring washer, plain cushion and the second nut are sequentially sleeved in the spiral shell of electric current needle Line section, and first nut, thread segment of second nut respectively with electric current needle are spirally connected, clamp spring washer between two nuts and Plain cushion.
CN201820386094.4U 2018-03-21 2018-03-21 A kind of high current probe unit Active CN208636359U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820386094.4U CN208636359U (en) 2018-03-21 2018-03-21 A kind of high current probe unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820386094.4U CN208636359U (en) 2018-03-21 2018-03-21 A kind of high current probe unit

Publications (1)

Publication Number Publication Date
CN208636359U true CN208636359U (en) 2019-03-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820386094.4U Active CN208636359U (en) 2018-03-21 2018-03-21 A kind of high current probe unit

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108646075A (en) * 2018-03-21 2018-10-12 浙江杭可科技股份有限公司 A kind of high current probe unit
CN112992600A (en) * 2019-12-17 2021-06-18 天津平高智能电气有限公司 Vacuum arc extinguish chamber vacuum degree measuring device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108646075A (en) * 2018-03-21 2018-10-12 浙江杭可科技股份有限公司 A kind of high current probe unit
CN112992600A (en) * 2019-12-17 2021-06-18 天津平高智能电气有限公司 Vacuum arc extinguish chamber vacuum degree measuring device
CN112992600B (en) * 2019-12-17 2023-02-17 天津平高智能电气有限公司 Vacuum arc extinguish chamber vacuum degree measuring device

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