WO2023214640A1 - Shunt de grande capacité - Google Patents

Shunt de grande capacité Download PDF

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Publication number
WO2023214640A1
WO2023214640A1 PCT/KR2023/001308 KR2023001308W WO2023214640A1 WO 2023214640 A1 WO2023214640 A1 WO 2023214640A1 KR 2023001308 W KR2023001308 W KR 2023001308W WO 2023214640 A1 WO2023214640 A1 WO 2023214640A1
Authority
WO
WIPO (PCT)
Prior art keywords
shunt
heat dissipation
dissipation frame
high volume
fixing groove
Prior art date
Application number
PCT/KR2023/001308
Other languages
English (en)
Korean (ko)
Inventor
유병길
Original Assignee
(주)케이엔씨
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 (주)케이엔씨 filed Critical (주)케이엔씨
Publication of WO2023214640A1 publication Critical patent/WO2023214640A1/fr

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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
    • G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C1/00—Details
    • H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C3/00—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids
    • H01C3/10—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids the resistive element having zig-zag or sinusoidal configuration
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating

Definitions

  • the present invention relates to a large-capacity shunt, and more specifically, to a large-capacity shunt that facilitates measurement of large currents.
  • a shunt is basically an element used to measure current.
  • the shunt is connected to the current-carrying circuit of an electrical or electronic device, and the current and voltage are measured using the resistance value that occurs when the current flows through the shunt. can do.
  • a shunt is a resistor whose resistance is sufficiently low compared to the load.
  • a shunt whose resistance is sufficiently low compared to a motor can be installed in an energizing circuit to measure the current applied to the motor. By connecting to , the load voltage can be measured and the ultimate load current measurement can be made.
  • the shunt is a standard resistor to extend the current measurement range of the ammeter and is wired with the ammeter, allowing the load current to be measured through the ammeter.
  • secondary batteries are not permanent, but can be used by repeatedly charging current, so secondary batteries are often used as a power source for various electrical and electronic devices such as mobile phones, PDAs, and MP4s.
  • batteries using secondary batteries By mounting a shunt on a circuit configured to measure the current of the system, the current applied to the secondary battery system through the circuit and the shunt can be measured.
  • Secondary batteries are used in electrical and electronic devices such as mobile phones, but are also used as the main power source for hybrid vehicles and electric vehicles, so measuring the current in the secondary battery using a shunt is important.
  • the battery system used in electric vehicles and fuel cell vehicles connects multiple secondary batteries in series to create voltage and can use this to generate high power.
  • a current of tens to hundreds of amperes flows through the battery system.
  • a method of measuring the current of such a battery system includes measuring the current using a shunt resistor. That is, current measurements can be performed by connecting a shunt to the circuitry of the battery system.
  • the purpose of the present invention is to provide a high-capacity shunt that facilitates measurement of large currents.
  • the large-capacity shunt according to the present invention is fixedly coupled between a first shunt block, a second shunt block partially overlapping in the vertical direction with the first shunt block, and the first and second shunt blocks, and is formed with at least two bends. May include shunts.
  • Each of the first and second shunt blocks may be formed with a fixing groove in which a part of the shunt is fixedly coupled and an exposed groove formed in a vertical direction of the fixing groove so that a part of the shunt fixedly coupled to the fixing groove is exposed.
  • a fastening screw that electrically connects a portion of the shunt and the power line of the printed circuit board may be coupled to the exposed groove of each of the first and second shunt blocks.
  • the shunt is fixedly coupled to a fixing groove formed in the first shunt block, a first shunt part extending in a first direction, fixedly coupled to a fixing groove formed in the second shunt block, and parallel to the first shunt part. It may include a second shunt unit and a third shunt unit connected to the first and second shunt units in a second direction crossing the first direction.
  • the third shunt unit may intersect at a vertical angle with at least one of the first and second shunt units.
  • a first heat dissipation frame disposed on the first side of the first shunt portion, a first auxiliary heat dissipation frame disposed on a second side of the first shunt portion and fastened to the first heat dissipation frame with screws, and a first auxiliary heat dissipation frame of the second shunt portion. It may further include a second heat dissipation frame disposed on one side and a second auxiliary heat dissipation frame disposed on a second side of the second shunt portion and fastened to the second heat dissipation frame with screws.
  • the first and second auxiliary heat dissipation frames may be formed to face each other and be spaced apart from each other.
  • the large-capacity shunt according to the present invention has the advantage of preventing noise and heat generation contained in the current even when a large current flows, making it easy to measure large currents and preventing damage to secondary batteries and circuit damage due to noise. there is..
  • FIG. 1 is a side view showing a shunt resistor according to the present invention.
  • Figure 2 is a perspective view showing the first and second shunt blocks shown in Figure 1.
  • FIG. 3 is a perspective view showing a partial connection state of the shunt, the first heat dissipation frame, and the first auxiliary heat dissipation frame shown in FIG. 1.
  • first, second, A, and B may be used to describe various components, but the components should not be limited by the terms. The above terms are used only for the purpose of distinguishing one component from another.
  • a first component may be named a second component, and similarly, the second component may also be named a first component without departing from the scope of the present invention.
  • the term and/or includes any of a plurality of related stated items or a combination of a plurality of related stated items.
  • Figure 1 is a side view showing a shunt resistor according to the present invention
  • Figure 2 is a perspective view showing the first and second shunt blocks shown in Figure 1
  • Figure 3 is a shunt, a first heat dissipation frame, and a first auxiliary heat dissipation frame shown in Figure 1. This is a perspective view showing some combination states.
  • the large-capacity shunt 100 includes first and second shunt blocks 112 and 114, shunt 120, first and second heat dissipation frames 132 and 136, and first and second auxiliary heat dissipation devices. It may include frames 134 and 138.
  • the first and second shunt blocks 112 and 114 are connection blocks electrically connected to the shunt 120 and may be made of a metal material, for example, copper.
  • Each of the first and second shunt blocks 112 and 114 may be formed with a fixing groove (sh) and an exposed groove (h).
  • each of the first and second shunt blocks 112 and 114 are fixedly coupled by inserting portions of both ends of the shunt 120. You can.
  • the fixing groove (sh) of each of the first and second shunt blocks (112, 114) are electrically connected by soldering, etc. possible, and is not limited thereto.
  • a fastening screw (S) that electrically connects a portion of the shunt 120 and the power line of the printed circuit board (not shown) is coupled to the exposed groove (h) of each of the first and second shunt blocks (112, 114). It can be.
  • the second shunt block 114 transfers the current input through the first shunt block 112 to the connected (-) power line. Can be printed.
  • Both ends of the shunt 120 may be fixedly coupled to the fixing grooves (sh) of the first and second shunt blocks 112 and 114, respectively, and may be bent at least twice.
  • the shunt 120 may include first to third shunt portions 122, 124, and 126.
  • first and second shunt parts 122 and 124 may extend in a first direction parallel to each other in the fixing grooves sh of the first and second shunt blocks 112 and 114, respectively.
  • the third shunt unit 126 may be connected to the first and second shunt units 122 and 124 in a second direction crossing the first direction.
  • the first to third shunt portions 122, 124, and 126 may be formed to have the same thickness, but are not limited thereto.
  • the third shunt portion 126 may be formed to be thicker than the first and second shunt portions 122 and 124.
  • the third shunt unit 126 may intersect at a vertical angle with at least one of the first and second shunt units 122 and 124, but is not limited thereto.
  • a first heat dissipation frame 132 and a first auxiliary heat dissipation frame 134 may be disposed in the first shunt unit 122.
  • first heat dissipation frame 132 and the first auxiliary heat dissipation frame 134 may be in close contact with the first shunt portion 122 so that heat generated in the first shunt portion 122 is dissipated.
  • the first heat dissipation frame 132 is disposed on the first side of the first shunt portion 122, and the first auxiliary heat dissipation frame 134 is disposed on a second side of the first shunt portion 122 opposite to the first side. can be placed in
  • the first heat dissipation frame 132 and the first auxiliary heat dissipation frame 134 may be placed between the first shunt portion 122 and fastened with screws P to be closely fixed to the first shunt portion 122.
  • first heat dissipation frame 132 and the first auxiliary heat dissipation frame 134 are described as being fastened with screws P, but the fastening method is not limited.
  • a second heat dissipation frame 136 and a second auxiliary heat dissipation frame 138 may be disposed in the second shunt unit 124.
  • the second heat dissipation frame 136 and the second auxiliary heat dissipation frame 138 may be in close contact with the second shunt portion 124 so that heat generated in the second shunt portion 124 is dissipated.
  • the second heat dissipation frame 136 is disposed on the first side of the first shunt portion 124, and the second auxiliary heat dissipation frame 138 is disposed on a second side of the second shunt portion 124 opposite to the first side. can be placed.
  • the second heat dissipation frame 136 and the second auxiliary heat dissipation frame 138 may be placed between the second shunt portion 124 and fastened with screws P to be closely fixed to the second shunt portion 124.
  • the second heat dissipation frame 136 and the second auxiliary heat dissipation frame 138 are described as being fastened with screws P, but the fastening method is not limited.
  • first and second auxiliary heat dissipation frames 134 and 138 are disposed on the first and second shunt units 122 and 124 to face each other, they may be spaced apart at a predetermined distance.
  • the printed circuit board may be inserted and fixed in the space formed between the first and second auxiliary heat dissipation frames 134 and 138, but is not limited thereto.
  • Figure 3 is a partial perspective view showing the combined structure of the first heat dissipation frame 132 and the first auxiliary heat dissipation frame 134, and the first heat dissipation frame 132 and the first auxiliary heat dissipation frame 134 are screwed (P). ) may be formed wider than the width of the shunt 120 for combination.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

La présente invention concerne un shunt de grande capacité comprenant : un premier bloc de dérivation ; un second bloc de dérivation chevauchant partiellement le premier bloc de dérivation dans une direction verticale ; et un shunt couplé à demeure entre les premier et second blocs de dérivation et ayant au moins deux coudes.
PCT/KR2023/001308 2022-05-04 2023-01-27 Shunt de grande capacité WO2023214640A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2022-0055428 2022-05-04
KR1020220055428A KR102483816B1 (ko) 2022-05-04 2022-05-04 대용량 션트

Publications (1)

Publication Number Publication Date
WO2023214640A1 true WO2023214640A1 (fr) 2023-11-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2023/001308 WO2023214640A1 (fr) 2022-05-04 2023-01-27 Shunt de grande capacité

Country Status (2)

Country Link
KR (1) KR102483816B1 (fr)
WO (1) WO2023214640A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102483816B1 (ko) * 2022-05-04 2023-01-04 (주)케이엔씨 대용량 션트

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101381425B1 (ko) * 2013-05-14 2014-04-04 (주)에이치엔티 초고용량 션트
KR20140048980A (ko) * 2011-07-14 2014-04-24 콘티넨탈 테베스 아게 운트 코. 오하게 전류를 측정하기 위한 디바이스
KR101725990B1 (ko) * 2016-05-13 2017-04-12 주식회사 탑런에너지솔루션 션트의 결합구조
KR101942285B1 (ko) * 2017-11-28 2019-01-25 (주)유양디앤유 노이즈를 줄인 션트구조
KR101959734B1 (ko) * 2017-09-11 2019-03-20 (주)유양디앤유 사이클러용 션트 저항 및 이의 제조방법
KR102483816B1 (ko) * 2022-05-04 2023-01-04 (주)케이엔씨 대용량 션트

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101448936B1 (ko) 2014-03-27 2014-10-13 태성전장주식회사 전류센서용 션트 저항 모듈과 이를 이용한 차량용 배터리

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140048980A (ko) * 2011-07-14 2014-04-24 콘티넨탈 테베스 아게 운트 코. 오하게 전류를 측정하기 위한 디바이스
KR101381425B1 (ko) * 2013-05-14 2014-04-04 (주)에이치엔티 초고용량 션트
KR101725990B1 (ko) * 2016-05-13 2017-04-12 주식회사 탑런에너지솔루션 션트의 결합구조
KR101959734B1 (ko) * 2017-09-11 2019-03-20 (주)유양디앤유 사이클러용 션트 저항 및 이의 제조방법
KR101942285B1 (ko) * 2017-11-28 2019-01-25 (주)유양디앤유 노이즈를 줄인 션트구조
KR102483816B1 (ko) * 2022-05-04 2023-01-04 (주)케이엔씨 대용량 션트

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KR102483816B1 (ko) 2023-01-04

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