WO2019140795A1 - Tds detector and packaging process therefor - Google Patents

Tds detector and packaging process therefor Download PDF

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Publication number
WO2019140795A1
WO2019140795A1 PCT/CN2018/083005 CN2018083005W WO2019140795A1 WO 2019140795 A1 WO2019140795 A1 WO 2019140795A1 CN 2018083005 W CN2018083005 W CN 2018083005W WO 2019140795 A1 WO2019140795 A1 WO 2019140795A1
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WO
WIPO (PCT)
Prior art keywords
wire
probe
round tube
terminal
detector
Prior art date
Application number
PCT/CN2018/083005
Other languages
French (fr)
Chinese (zh)
Inventor
陈智华
魏秋军
龙克文
Original Assignee
佛山市川东磁电股份有限公司
佛山市程显科技有限公司
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Filing date
Publication date
Application filed by 佛山市川东磁电股份有限公司, 佛山市程显科技有限公司 filed Critical 佛山市川东磁电股份有限公司
Publication of WO2019140795A1 publication Critical patent/WO2019140795A1/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/22—Measuring resistance of fluids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
    • G01N27/07—Construction of measuring vessels; Electrodes therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
    • G01N27/18—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R3/00—Apparatus or processes specially adapted for the manufacture or maintenance of measuring instruments, e.g. of probe tips

Definitions

  • the present invention relates to the field of water body conductivity detection technology, and specifically relates to a
  • the detector also discloses a detector packaging process.
  • the table is actually a conductivity test table.
  • positively charged ions such as sodium ions, calcium ions, magnesium ions, hydrogen ions, etc.
  • the electrode moves, negatively charged ions (such as chloride, sulfate, bicarbonate, etc.) will move toward the positively charged electrode, the movement of the ions forms a current, and the meter determines the current by detecting the movement of the ions. Therefore, the 108 meter can be used for the detection of water purity, and is widely used in water detection, water purification equipment and the like.
  • the working part of the watch is a two-electrode detecting line, which comprises a connecting head, a wire and a detecting electrode.
  • the detecting electrode and the wire of the existing detecting wire are mostly riveted by a copper strip, and the two electrode heads after the riveting are assembled in the package shell
  • the components are insulated from each other.
  • This kind of packaging method is easy for the wire to be broken when the riveting affects the electrical connection, and the riveting portion of the detecting electrode is easily short-circuited, resulting in misalignment of the detected value and poor stability. Therefore, the prior art has yet to be improved and developed.
  • the object of the present invention is to provide a reasonable structure and improve the defects and deficiencies of the prior art. Detector and its packaging process.
  • the detector comprises a wire, and the two ends of the wire are respectively provided with a connector and a probe.
  • the probe comprises two sets of probes and a round tube terminal, and the rear end of the probe is disposed in the round tube terminal and is connected with the cable end.
  • the two cores are respectively disposed in and connected to the corresponding round tube terminals; the two sets of round tube terminals and the probes are parallel to each other and spaced apart from each other, and the connection portion between the round tube terminal and the probe and the wire ⁇ 0 2019/140795 ⁇ (:17(: ⁇ 2018/083005
  • the upper sleeve is injection molded with an insulating sleeve.
  • the round pipe terminal is an elastic metal pipe having an opening, and the round pipe terminal is fitted on the probe under tension to form an interference fit therewith.
  • the outer edge of the rear end of the probe is knurled to form a knurled portion, and the knurled portion of the probe is disposed through the front end inner hole of the round pipe terminal and is fixedly connected thereto.
  • one end of the wire is stripped of the rubber to expose two wire ends, and the end of the wire end is stripped of the insulating layer to expose the wire core, and the wire core and the wire end are connected to the round pipe terminal.
  • the insulating sleeve includes a positioning portion and a molding portion, and the positioning portion is wrapped around the round tube terminal, the rear portion of the probe, and the front end of the wire end, and the molding portion is wrapped around the rear end of the positioning portion, the wire end and the wire front end.
  • the diameter of the shaped portion is larger than the diameter of the positioning portion to form a step at the intersection of the two.
  • the positioning portion is provided with a spacer pin, and the spacer pin is disposed between the two round tube terminals.
  • the detector packaging process has the following steps:
  • the knurling process is performed on the probe, and the length of the knurling portion of the probe does not exceed one-half of the total length of the probe; the wire harness is processed, the rubber at the end of the wire is stripped to expose the wire end, and the insulation at the end of the wire end is peeled off.
  • the layer exposes the core;
  • the round pipe terminal riveting, the knurling part of the probe is inserted into the inner hole of the front end of the round pipe terminal, the front end of the wire end and the core are connected with the rear end of the round pipe terminal, and the round pipe terminal is riveted to close the opening and hoop On the probe;
  • the beneficial effects of the invention are as follows:
  • the structure of the invention is reasonable, the insulation between the probe and the round tube terminal is good, and the structural stability can improve the detection precision by more than 30% compared with the existing products, and the assembly is convenient and the manufacturing cost is low, which can effectively improve The pass rate of the product.
  • FIG. 1 is a schematic view showing the overall internal perspective structure of the present invention.
  • the detector includes a wire 1.
  • the two ends of the wire 1 are respectively provided with a connector 11 and a probe.
  • the probe includes two sets of probes 2 and a round tube terminal 21, and a rear end of the probe 2 is disposed in the round tube terminal 21.
  • the two cores 13 at one end of the wire 1 are respectively disposed in the corresponding round pipe terminal 21 and connected thereto; the two sets of the round pipe terminal 21 and the probe 2 are parallel and spaced apart from each other, the round pipe An insulating sleeve is injection-molded on the connecting portion of the terminal 21 and the probe 2 and the lead wire 1; the round tube terminal 21 is an elastic metal tube having an opening, and the round tube terminal 21 is placed on the probe 2 under the action of tension The interference fit is formed; the probe 2 and the core 13 are riveted and fixed by the metal round tube terminal 21, and the electrical connection stability is good, which can effectively improve The accuracy and reliability of the detector, the two sets of round tube terminals 21 and the probe 2 are integrally molded by injection molding, which can effectively improve the yield of the product.
  • the outer edge of the rear end of the probe 2 is knurled to form a knurling portion 22, and the knurling portion 22 of the probe 2 is bored through the inner hole of the front end of the round pipe terminal 21 and fixedly connected thereto, the knurling portion 22 can improve the reliability of the contact electrical connection between the probe 2 and the round tube terminal 21, the length of the knurled portion 22 is less than 9111111 and does not exceed half of the total length of the probe 2, and the knurled portion 22 completely penetrates the round tube terminal 21 In the inner bore of the front end, the tightness of the connection and the reliability of the electrical connection are ensured when the round pipe terminal 21 is riveted.
  • One end of the wire 1 is peeled off to expose the two wire ends 12, and the end of the wire end 12 is stripped of the insulating layer to expose the wire core 13.
  • the ends of the wire core 13 and the wire end 12 are connected with the round pipe terminal 21, and the round pipe
  • the rear end of the terminal 21 hoops the core 13 and the end of the wire end 12 respectively when riveting, thereby ensuring electrical connection stability and tensile strength between the round pipe terminal 21 and the wire 1.
  • the insulating sleeve includes a positioning portion 23 and a molding portion 24.
  • the positioning portion 23 is wrapped around the round tube terminal 21, the rear portion of the probe 2, and the front end of the wire end 12.
  • the molding portion 24 is wrapped around the rear end of the positioning portion 23.
  • the diameter of the molding portion 24 is larger than the diameter of the positioning portion 23 to form a step at the intersection of the two, and the insulating sleeve is passed through. ⁇ 0 2019/140795 ⁇ (:17(: ⁇ 2018/083005
  • the positioning portion 23 and the molding portion 24 covering the round pipe terminal 21 are formed, thereby ensuring electrical insulation between the round pipe terminals 21 to avoid short circuit, and the step of the molding portion 24 can facilitate the detector on the pipe joint. installation.
  • the positioning portion 23 is provided with a spacer pin 25, and the spacer pin 25 is disposed between the two round tube terminals 21, and the spacer pin 25 separates the two round tube terminals 21 and is integrally packaged in the positioning portion 23, The electrical insulation between the probe 2 and the round pipe terminal 21 is effectively ensured.
  • the detector packaging process has the following steps:
  • the knurling treatment of the probe 2 the length of the knurling portion 22 of the probe 2 does not exceed one-half of the total length of the probe 2
  • Wire harness processing stripping the rubber at the end of the wire 1 to expose the wire end 12, stripping the insulation layer at the end of the wire end 12 to expose the wire core 13;
  • the round pipe terminal 21 is riveted, and the knurled portion 22 of the probe 2 is inserted into the inner hole of the front end of the round pipe terminal 21.
  • the front end of the wire end 12 and the core 13 are connected to the rear end of the round pipe terminal 21, and the round pipe terminal is riveted. 21 having its opening closed to be hooped on the probe 2;
  • the two injection moldings adopted in the solution can ensure the positional accuracy and electrical insulation between the probes 2, improve the reliability of the detector, reduce the production cost, and improve the product qualification rate.

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  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Electrochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Measuring Leads Or Probes (AREA)

Abstract

Provided are a TDS detector and a packaging process therefor. The TDS detector comprises a wire (1), wherein both ends of the wire (1) are arranged with a connector (11) and a probe respectively, the probe comprises two sets of needles (2) and two sets of round pipe terminals (21), a rear end of the needle (2) is arranged in the round pipe terminal (21) in a penetrating manner and is riveted to same, and two wire cores (13) of an end of the wire (1) are respectively arranged in the round pipe terminal (21) in a penetrating manner and are riveted to same; and the two sets of the round pipe terminals (21) and of the needles (2) are arranged parallel to each other and spaced apart from each other, and an insulating sleeve is formed by injection moulding on a connection portion of the round pipe terminal (21) and the needle (2), and of the round pipe terminal and and the wire (1). The TDS detector is rational in structure, the insulation property between the needles and the round pipe terminals is good, and the structure is stable, so that the assembly is convenient and the manufacturing cost is low, thereby effectively improving the qualified rate of the products.

Description

\¥0 2019/140795 卩（：17（：\2018/083005  \¥0 2019/140795 卩(:17(:\2018/083005
1  1
一种 108捡测器及其封装工艺 108 detector and packaging process thereof
技术领域  Technical field
[0001] 本发明涉及水体电导率检测技术领域， 具体指一种
Figure imgf000003_0001
检测器，同时公开了一种 检测器封装工艺。 [0001] The present invention relates to the field of water body conductivity detection technology, and specifically relates to a
Figure imgf000003_0001
The detector also discloses a detector packaging process.
背景技术  Background technique
[0002] 表其实是电导率测试表， 通过在两个或多个电极之间施加电压， 带正电的 离子 （如钠离子， 钙离子， 镁离子， 氢离子， 等等） 向负电荷的电极移动， 带 负电荷的离子 （如氯离子， 硫酸根离子， 碳酸氢根离子等） 将向正电荷的电极 移动， 离子的移动形成了电流， 仪表通过检测离子的移动确定电流。 因此， 108 表可用于水体纯度的检测， 广泛应用于水体检测、 净水装置等等。
Figure imgf000003_0002
表的工作 部件为双电极检测线， 该检测线包括了连接头、 导线和探测电极， 现有检测线 的探测电极与导线多为铜带铆接， 铆接后的两个电极头装配在封装壳内构成相 互绝缘。 这种封装方式容易使导线在铆接时断裂影响电气连接， 且探测电极的 铆接部之间容易短路， 造成检测值的失准， 稳定性较差。 因此， 现有技术还有 待于改进和发展。 [0002] The table is actually a conductivity test table. By applying a voltage between two or more electrodes, positively charged ions (such as sodium ions, calcium ions, magnesium ions, hydrogen ions, etc.) are negatively charged. The electrode moves, negatively charged ions (such as chloride, sulfate, bicarbonate, etc.) will move toward the positively charged electrode, the movement of the ions forms a current, and the meter determines the current by detecting the movement of the ions. Therefore, the 108 meter can be used for the detection of water purity, and is widely used in water detection, water purification equipment and the like.
Figure imgf000003_0002
The working part of the watch is a two-electrode detecting line, which comprises a connecting head, a wire and a detecting electrode. The detecting electrode and the wire of the existing detecting wire are mostly riveted by a copper strip, and the two electrode heads after the riveting are assembled in the package shell The components are insulated from each other. This kind of packaging method is easy for the wire to be broken when the riveting affects the electrical connection, and the riveting portion of the detecting electrode is easily short-circuited, resulting in misalignment of the detected value and poor stability. Therefore, the prior art has yet to be improved and developed.
发明概述  Summary of invention
技术问题  technical problem
问题的解决方案  Problem solution
技术解决方案  Technical solution
[0003] 本发明的目的在于针对现有技术的缺陷和不足， 提供一种结构合理、 可提高了
Figure imgf000003_0003
检测器及其封装工艺。 [0003] The object of the present invention is to provide a reasonable structure and improve the defects and deficiencies of the prior art.
Figure imgf000003_0003
Detector and its packaging process.
[0004] 为了实现上述目的， 本发明采用以下技术方案：  [0004] In order to achieve the above object, the present invention adopts the following technical solutions:
[0005] 本发明所述的一种
Figure imgf000003_0004
检测器，包括导线， 导线的两端分别设有连接头和探头， 所述探头包括两组探针和圆管端子， 探针的后端穿设于圆管端子内并与其配合 连接， 导线一端的两个线芯分别穿设于对应的圆管端子内并与其连接； 所述两 组圆管端子和探针相互平行且相互间隔设置， 圆管端子与探针、 导线的连接部 \¥0 2019/140795 卩（：17（：\2018/083005 [0005] A type of the invention
Figure imgf000003_0004
The detector comprises a wire, and the two ends of the wire are respectively provided with a connector and a probe. The probe comprises two sets of probes and a round tube terminal, and the rear end of the probe is disposed in the round tube terminal and is connected with the cable end. The two cores are respectively disposed in and connected to the corresponding round tube terminals; the two sets of round tube terminals and the probes are parallel to each other and spaced apart from each other, and the connection portion between the round tube terminal and the probe and the wire \¥0 2019/140795 卩(:17(:\2018/083005
2 上注塑成型有绝缘套。  2 The upper sleeve is injection molded with an insulating sleeve.
[0006] 根据以上方案， 所述圆管端子为具有开口的弹性金属管， 圆管端子在张力的作 用下套装在探针上从而与其构成过盈配合。  According to the above aspect, the round pipe terminal is an elastic metal pipe having an opening, and the round pipe terminal is fitted on the probe under tension to form an interference fit therewith.
[0007] 根据以上方案， 所述探针后端外缘经过滚花处理形成滚花部， 且探针的滚花部 穿设于圆管端子的前端内孔并与其固定连接。  According to the above aspect, the outer edge of the rear end of the probe is knurled to form a knurled portion, and the knurled portion of the probe is disposed through the front end inner hole of the round pipe terminal and is fixedly connected thereto.
[0008] 根据以上方案， 所述导线的一端剥去胶皮露出两个线头， 线头的端部剥去绝缘 层露出线芯， 线芯和线头端部均与圆管端子连接。  According to the above solution, one end of the wire is stripped of the rubber to expose two wire ends, and the end of the wire end is stripped of the insulating layer to expose the wire core, and the wire core and the wire end are connected to the round pipe terminal.
[0009] 根据以上方案， 所述绝缘套包括定位部和成型部， 定位部包覆在圆管端子、 探 针后部和线头前端上， 成型部包覆在定位部后端、 线头和导线前端上， 成型部 的直径大于定位部直径从而在二者的相交处形成一个台阶。  [0009] According to the above solution, the insulating sleeve includes a positioning portion and a molding portion, and the positioning portion is wrapped around the round tube terminal, the rear portion of the probe, and the front end of the wire end, and the molding portion is wrapped around the rear end of the positioning portion, the wire end and the wire front end. Upper, the diameter of the shaped portion is larger than the diameter of the positioning portion to form a step at the intersection of the two.
[0010] 根据以上方案， 所述定位部上设有隔离销， 隔离销穿设于两个圆管端子之间。  [0010] According to the above solution, the positioning portion is provided with a spacer pin, and the spacer pin is disposed between the two round tube terminals.
[0011] 检测器封装工艺， 其步骤如下：  [0011] The detector packaging process has the following steps:
[0012] 对探针进行滚花处理， 探针的滚花部长度不超过探针总长的二分之一； 线 束加工， 剥去导线端部的胶皮以露出线头， 剥去线头端部的绝缘层露出线芯； [0012] The knurling process is performed on the probe, and the length of the knurling portion of the probe does not exceed one-half of the total length of the probe; the wire harness is processed, the rubber at the end of the wire is stripped to expose the wire end, and the insulation at the end of the wire end is peeled off. The layer exposes the core;
[0013] 15、 圆管端子铆接， 将探针的滚花部插入圆管端子前端内孔， 线头前端及线芯 与圆管端子后端连接， 铆合圆管端子使其开口闭合从而箍接在探针上； [0013] 15, the round pipe terminal riveting, the knurling part of the probe is inserted into the inner hole of the front end of the round pipe terminal, the front end of the wire end and the core are connected with the rear end of the round pipe terminal, and the round pipe terminal is riveted to close the opening and hoop On the probe;
[0014] 〇. 将两个探针前端插入初次定位工装的并排定位孔上， 两个圆管端子之间插 入隔离销， 进行第一次注塑封装构成定位部， 使定位部包覆圆管端子、 探针后 部和线头刖端；  [0014] 将. Insert the front ends of the two probes into the side-by-side positioning holes of the initial positioning tool, insert a spacer pin between the two round tube terminals, and perform the first injection molding to form the positioning portion, so that the positioning portion covers the round tube terminal. , the rear of the probe and the end of the wire;
[0015] (1、 将两个探针插入二次定位工装的定位孔上并固定， 导线另一端固定在夹线 器上， 在进行第二次注塑封装构成成型部。  [0015] (1) Insert the two probes into the positioning holes of the secondary positioning tool and fix them, and fix the other end of the wires to the wire gripper, and perform the second injection molding to form the molding portion.
发明的有益效果  Advantageous effects of the invention
有益效果  Beneficial effect
[0016] 本发明有益效果为： 本发明结构合理， 探针和圆管端子间的绝缘性好， 结构稳 定相对于现有产品可以提高检测精度 30%以上， 装配方便制造成本低， 可有效提 高产品的合格率。  [0016] The beneficial effects of the invention are as follows: The structure of the invention is reasonable, the insulation between the probe and the round tube terminal is good, and the structural stability can improve the detection precision by more than 30% compared with the existing products, and the assembly is convenient and the manufacturing cost is low, which can effectively improve The pass rate of the product.
对附图的简要说明  Brief description of the drawing
附图说明 \¥0 2019/140795 卩（：17（：\2018/083005 DRAWINGS \¥0 2019/140795 卩(:17(:\2018/083005
3  3
[0017] 图 1是本发明的整体内部透视结构示意图。 1 is a schematic view showing the overall internal perspective structure of the present invention.
[0018] 图中：  [0018] In the figure:
[0019] 1、 导线； 2、 探针； 11、 连接头； 12、 线头； 13、 线芯； 21、 圆管端子； 22、 [0019] 1, the wire; 2, the probe; 11, the connector; 12, the wire head; 13, the core; 21, the round tube terminal;
; 23、 定位部； 24、 成型部； 25、 隔离销。 23, positioning part; 24, molding part; 25, isolation pin.
实施该发明的最佳实施例  BEST MODE FOR CARRYING OUT THE INVENTION
本发明的最佳实施方式  BEST MODE FOR CARRYING OUT THE INVENTION
[0020] 下面结合附图与实施例对本发明的技术方案进行说明。  [0020] The technical solution of the present invention will be described below with reference to the accompanying drawings and embodiments.
[0021] 如图 1所示， 本发明所述的一种
Figure imgf000005_0001
检测器，包括导线 1， 导线 1的两端分别设有 连接头 11和探头， 所述探头包括两组探针 2和圆管端子 21， 探针 2的后端穿设于 圆管端子 21内并与其配合连接， 导线 1一端的两个线芯 13分别穿设于对应的圆管 端子 21内并与其连接； 所述两组圆管端子 21和探针 2相互平行且相互间隔设置， 圆管端子 21与探针 2、 导线 1的连接部上注塑成型有绝缘套； 所述圆管端子 21为 具有开口的弹性金属管， 圆管端子 21在张力的作用下套装在探针 2上从而与其构 成过盈配合； 所述探针 2和线芯 13通过金属圆管端子 21铆接固定， 电气连接稳定 性好， 可有效提高
Figure imgf000005_0002
检测器的精度和可靠性， 两组圆管端子 21和探针 2之间通 过注塑封装的构成一体绝缘套， 可有效提高产品的合格率。 [0021] As shown in FIG. 1, a type of the present invention
Figure imgf000005_0001
The detector includes a wire 1. The two ends of the wire 1 are respectively provided with a connector 11 and a probe. The probe includes two sets of probes 2 and a round tube terminal 21, and a rear end of the probe 2 is disposed in the round tube terminal 21. And the two cores 13 at one end of the wire 1 are respectively disposed in the corresponding round pipe terminal 21 and connected thereto; the two sets of the round pipe terminal 21 and the probe 2 are parallel and spaced apart from each other, the round pipe An insulating sleeve is injection-molded on the connecting portion of the terminal 21 and the probe 2 and the lead wire 1; the round tube terminal 21 is an elastic metal tube having an opening, and the round tube terminal 21 is placed on the probe 2 under the action of tension The interference fit is formed; the probe 2 and the core 13 are riveted and fixed by the metal round tube terminal 21, and the electrical connection stability is good, which can effectively improve
Figure imgf000005_0002
The accuracy and reliability of the detector, the two sets of round tube terminals 21 and the probe 2 are integrally molded by injection molding, which can effectively improve the yield of the product.
[0022] 所述探针 2后端外缘经过滚花处理形成滚花部 22, 且探针 2的滚花部 22穿设于圆 管端子 21的前端内孔并与其固定连接， 滚花部 22可提高探针 2与圆管端子 21之间 的接触电气连接可靠性， 滚花部 22的长度小于 9111111且不超过探针 2总长的一半， 滚花部 22完全穿入圆管端子 21的前端内孔中， 从而在圆管端子 21铆合时保证连 接的紧密和电气连接可靠性。  [0022] The outer edge of the rear end of the probe 2 is knurled to form a knurling portion 22, and the knurling portion 22 of the probe 2 is bored through the inner hole of the front end of the round pipe terminal 21 and fixedly connected thereto, the knurling portion 22 can improve the reliability of the contact electrical connection between the probe 2 and the round tube terminal 21, the length of the knurled portion 22 is less than 9111111 and does not exceed half of the total length of the probe 2, and the knurled portion 22 completely penetrates the round tube terminal 21 In the inner bore of the front end, the tightness of the connection and the reliability of the electrical connection are ensured when the round pipe terminal 21 is riveted.
[0023] 所述导线 1的一端剥去胶皮露出两个线头 12, 线头 12的端部剥去绝缘层露出线 芯 13 , 线芯 13和线头 12端部均与圆管端子 21连接， 圆管端子 21后端在铆合时分 别箍扣线芯 13和线头 12端部， 从而保证圆管端子 21与导线 1之间的电气连接稳定 性和抗拉强度。  [0023] One end of the wire 1 is peeled off to expose the two wire ends 12, and the end of the wire end 12 is stripped of the insulating layer to expose the wire core 13. The ends of the wire core 13 and the wire end 12 are connected with the round pipe terminal 21, and the round pipe The rear end of the terminal 21 hoops the core 13 and the end of the wire end 12 respectively when riveting, thereby ensuring electrical connection stability and tensile strength between the round pipe terminal 21 and the wire 1.
[0024] 所述绝缘套包括定位部 23和成型部 24， 定位部 23包覆在圆管端子 21、 探针 2后 部和线头 12前端上， 成型部 24包覆在定位部 23后端、 线头 12和导线 1前端上， 成 型部 24的直径大于定位部 23直径从而在二者的相交处形成一个台阶， 绝缘套通 \¥0 2019/140795 卩（：17（：\2018/083005 [0024] The insulating sleeve includes a positioning portion 23 and a molding portion 24. The positioning portion 23 is wrapped around the round tube terminal 21, the rear portion of the probe 2, and the front end of the wire end 12. The molding portion 24 is wrapped around the rear end of the positioning portion 23. On the front end of the wire end 12 and the wire 1, the diameter of the molding portion 24 is larger than the diameter of the positioning portion 23 to form a step at the intersection of the two, and the insulating sleeve is passed through. \¥0 2019/140795 卩(:17(:\2018/083005
4 过两次注塑成型分别构成包覆圆管端子 21的定位部 23和成型部 24, 从而保证圆 管端子 21间的电气绝缘性能避免短路， 成型部 24的台阶可便于检测器在管接头 上的安装。  4 After two injection moldings, respectively, the positioning portion 23 and the molding portion 24 covering the round pipe terminal 21 are formed, thereby ensuring electrical insulation between the round pipe terminals 21 to avoid short circuit, and the step of the molding portion 24 can facilitate the detector on the pipe joint. installation.
[0025] 所述定位部 23上设有隔离销 25， 隔离销 25穿设于两个圆管端子 21之间， 隔离销 25分隔两个圆管端子 21并一体封装在定位部 23内， 可有效保证探针 2以及圆管端 子 21之间的电气绝缘性。  [0025] The positioning portion 23 is provided with a spacer pin 25, and the spacer pin 25 is disposed between the two round tube terminals 21, and the spacer pin 25 separates the two round tube terminals 21 and is integrally packaged in the positioning portion 23, The electrical insulation between the probe 2 and the round pipe terminal 21 is effectively ensured.
[0026] 检测器封装工艺， 其步骤如下：  [0026] The detector packaging process has the following steps:
[0027] &、 对探针 2进行滚花处理， 探针 2的滚花部 22长度不超过探针 2总长的二分之一 [0027] &, the knurling treatment of the probe 2, the length of the knurling portion 22 of the probe 2 does not exceed one-half of the total length of the probe 2
; 线束加工， 剥去导线 1端部的胶皮以露出线头 12, 剥去线头 12端部的绝缘层露 出线芯 13 ; Wire harness processing, stripping the rubber at the end of the wire 1 to expose the wire end 12, stripping the insulation layer at the end of the wire end 12 to expose the wire core 13;
[0028] 15、 圆管端子 21铆接， 将探针 2的滚花部 22插入圆管端子 21前端内孔， 线头 12前 端及线芯 13与圆管端子 21后端连接， 铆合圆管端子 21使其开口闭合从而箍接在 探针 2上；  [0028] 15. The round pipe terminal 21 is riveted, and the knurled portion 22 of the probe 2 is inserted into the inner hole of the front end of the round pipe terminal 21. The front end of the wire end 12 and the core 13 are connected to the rear end of the round pipe terminal 21, and the round pipe terminal is riveted. 21 having its opening closed to be hooped on the probe 2;
[0029] 〇. 将两个探针 2前端插入初次定位工装的并排定位孔上， 两个圆管端子 21之间 插入隔离销 25 , 进行第一次注塑封装构成定位部 23 , 使定位部 23包覆圆管端子 2 1、 探针 2后部和线头 12前端；  [0029] 前端. Insert the front end of the two probes 2 into the side-by-side positioning holes of the initial positioning tool, insert the isolation pin 25 between the two round tube terminals 21, and perform the first injection molding to form the positioning portion 23, so that the positioning portion 23 Covering the round tube terminal 2 1 , the rear of the probe 2 and the front end of the wire head 12;
[0030] (1、 将两个探针 2插入二次定位工装的定位孔上并固定， 导线 1另一端固定在夹 线器上， 在进行第二次注塑封装构成成型部 24。  [0030] (1) The two probes 2 are inserted into the positioning holes of the secondary positioning tool and fixed, and the other end of the wire 1 is fixed on the wire gripper, and the molding portion 24 is formed by performing the second injection molding.
[0031] 本方案采用的两次注塑成型可保证探针 2之间的位置准确性和电气绝缘性， 提 高检测器的可靠性， 降低生产成本， 提高产品合格率。  [0031] The two injection moldings adopted in the solution can ensure the positional accuracy and electrical insulation between the probes 2, improve the reliability of the detector, reduce the production cost, and improve the product qualification rate.
[0032] 以上所述仅是本发明的较佳实施方式， 故凡依本发明专利申请范围所述的构造 、 特征及原理所做的等效变化或修饰， 均包括于本发明专利申请范围内。  The above description is only a preferred embodiment of the present invention, and equivalent changes or modifications made to the structures, features, and principles described in the scope of the present invention are included in the scope of the present patent application. .

Claims

\¥0 2019/140795 卩（：17（：\2018/083005 5 权利要求书 \¥0 2019/140795 卩(:17(:\2018/083005 5 Claims
[权利要求 1] 一种
Figure imgf000007_0001
检测器，包括导线 ⑴ ， 导线 ⑴ 的两端分别设有连接头 （11） 和探头， 其特征在于： 所述探头包括两组探针 （2） 和圆管端 子 （21） ， 探针 （2） 的后端穿设于圆管端子 （21） 内并与其配合连 接， 导线 （1） 一端的两个线芯 （13） 分别穿设于对应的圆管端子 （2 1） 内并与其连接； 所述两组圆管端子 （21） 和探针 （2） 相互平行且 相互间隔设置， 圆管端子 （21） 与探针 （2） 、 导线 （1） 的连接部上 注塑成型有绝缘套。 [Claim 1] A method
Figure imgf000007_0001
The detector comprises a wire (1), and two ends of the wire (1) are respectively provided with a connecting head (11) and a probe, wherein: the probe comprises two sets of probes (2) and a round tube terminal (21), and the probe (2) The rear end of the wire is disposed in the round pipe terminal (21) and is coupled thereto, and the two cores (13) at one end of the wire (1) are respectively disposed in the corresponding round pipe terminal (2 1) and connected thereto; The two sets of round tube terminals (21) and the probes (2) are parallel to each other and spaced apart from each other, and an insulating sleeve is injection-molded on the connection portion between the round tube terminal (21) and the probe (2) and the wire (1).
[权利要求 2] 根据权利要求 1所述的
Figure imgf000007_0002
检测器， 其特征在于： 所述圆管端子 （21 ） 为具有开口的弹性金属管， 圆管端子 （21） 在张力的作用下套装在 探针 （2） 上从而与其构成过盈配合。 [Claim 2] According to claim 1
Figure imgf000007_0002
The detector is characterized in that: the round tube terminal (21) is an elastic metal tube having an opening, and the round tube terminal (21) is placed on the probe (2) under tension to form an interference fit therewith.
[权利要求 3] 根据权利要求 2所述的
Figure imgf000007_0003
检测器， 其特征在于： 所述探针 （2） 后端 外缘经过滚花处理形成滚花部 （22） ， 且探针 （2） 的滚花部 （22） 穿设于圆管端子 （21） 的前端内孔并与其固定连接。 [Claim 3] According to claim 2
Figure imgf000007_0003
The detector is characterized in that: the outer edge of the rear end of the probe (2) is knurled to form a knurling portion (22), and the knurling portion (22) of the probe (2) is passed through the round tube terminal ( 21) The front end inner hole is fixedly connected to it.
[权利要求 4] 根据权利要求 2所述的
Figure imgf000007_0004
检测器， 其特征在于： 所述导线 （1） 的一 端剥去胶皮露出两个线头 （12） ， 线头 （12） 的端部剥去绝缘层露出 线芯 （13） ， 线芯 （13） 和线头 （12） 端部均与圆管端子 （21） 连接 [Claim 4] According to claim 2
Figure imgf000007_0004
a detector, characterized in that: one end of the wire (1) is stripped of rubber to expose two wire ends (12), and the end of the wire end (12) is stripped of the insulating layer to expose the core (13), the core (13) and The ends of the wire ends (12) are connected to the round pipe terminals (21)
[权利要求 5] 根据权利要求 1所述的
Figure imgf000007_0005
检测器， 其特征在于： 所述绝缘套包括定 位部 （23） 和成型部 （24） ， 定位部 （23） 包覆在圆管端子 （21） 、 探针 （2） 后部和线头 （12） 前端上， 成型部 （24） 包覆在定位部 （2 3） 后端、 线头 （12） 和导线 （1） 前端上， 成型部 （24） 的直径大于 定位部 （23） 直径从而在二者的相交处形成一个台阶。 [Claim 5] According to claim 1
Figure imgf000007_0005
The detector is characterized in that: the insulating sleeve comprises a positioning portion (23) and a molding portion (24), and the positioning portion (23) is wrapped around the round tube terminal (21), the probe (2) rear portion and the wire end (12) On the front end, the molding portion (24) is wrapped on the front end of the positioning portion (23), the wire end (12) and the front end of the wire (1), and the diameter of the molding portion (24) is larger than the diameter of the positioning portion (23) so that The intersection of the people forms a step.
[权利要求 6] 根据权利要求 5所述的
Figure imgf000007_0006
检测器， 其特征在于： 所述定位部 （23） 上设有隔离销 （25） ， 隔离销 （25） 穿设于两个圆管端子 （21） 之间 [Claim 6] According to claim 5
Figure imgf000007_0006
a detector, characterized in that: the positioning portion (23) is provided with a spacer pin (25), and the spacer pin (25) is disposed between the two tube terminals (21)
[权利要求 7] 根据权利要求 1-6任一所述的一种
Figure imgf000007_0007
检测器封装工艺， 其步骤如下 \¥0 2019/140795 卩（：17（：\2018/083005 [Claim 7] A method according to any one of claims 1-6
Figure imgf000007_0007
Detector packaging process, the steps are as follows \¥0 2019/140795 卩(:17(:\2018/083005
6
Figure imgf000008_0001
对探针 （2） 进行滚花处理， 探针 （2） 的滚花部 （22） 长度不超 过探针 （2） 总长的二分之一； 线束加工， 剥去导线 （1） 端部的胶皮 以露出线头 （12） ， 剥去线头 （12） 端部的绝缘层露出线芯 （13） ; 15、 圆管端子 （21） 铆接， 将探针 （2） 的滚花部 （22） 插入圆管端子 （21） 前端内孔， 线头 （12） 前端及线芯 （13） 与圆管端子 （21） 后 端连接， 铆合圆管端子 （21） 使其开口闭合从而箍接在探针 （2） 上 6
Figure imgf000008_0001
The probe (2) is knurled, and the length of the knurled portion (22) of the probe (2) does not exceed one-half of the total length of the probe (2); the wire harness is processed, and the end of the wire (1) is stripped. The rubber is exposed to the wire end (12), and the insulating layer at the end of the wire end (12) is peeled off to expose the core (13); 15. The round pipe terminal (21) is riveted, and the knurled portion (22) of the probe (2) is inserted. Round tube terminal (21) Front end inner hole, wire end (12) Front end and core (13) Connected to the rear end of the round tube terminal (21), riveted round tube terminal (21) to close the opening and hoop the probe (2) on
^ 将两个探针 （2） 前端插入初次定位工装的并排定位孔上， 两个圆 管端子 （21） 之间插入隔离销 （25） ， 进行第一次注塑封装构成定位 部 （23） ， 使定位部 （23） 包覆圆管端子 （21） 、 探针 （2） 后部和 线头 （12） 刖端； ^ Insert the front end of the two probes (2) into the side-by-side positioning holes of the initial positioning tool, insert the isolating pin (25) between the two round tube terminals (21), and perform the first injection molding to form the positioning part (23). The positioning portion (23) is covered with the round tube terminal (21), the rear of the probe (2) and the end of the wire end (12);
（1、 将两个探针 （2） 插入二次定位工装的定位孔上并固定， 导线 （1 ） 另一端固定在夹线器上， 在进行第二次注塑封装构成成型部 （24）  (1) Insert the two probes (2) into the positioning holes of the secondary positioning tool and fix them. The other end of the wire (1) is fixed on the wire tensioner, and the second injection molding is used to form the molding part (24).
PCT/CN2018/083005 2018-01-17 2018-04-13 Tds detector and packaging process therefor WO2019140795A1 (en)

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