WO2016114094A1 - Terminal structure for insertion connector, insertion connector, resistance measurement system, cable disconnection checker, and resistance measurement method - Google Patents

Terminal structure for insertion connector, insertion connector, resistance measurement system, cable disconnection checker, and resistance measurement method Download PDF

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Publication number
WO2016114094A1
WO2016114094A1 PCT/JP2015/086321 JP2015086321W WO2016114094A1 WO 2016114094 A1 WO2016114094 A1 WO 2016114094A1 JP 2015086321 W JP2015086321 W JP 2015086321W WO 2016114094 A1 WO2016114094 A1 WO 2016114094A1
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Prior art keywords
terminal
terminal structure
plug connector
outlet
resistance measurement
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PCT/JP2015/086321
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French (fr)
Japanese (ja)
Inventor
景一 加藤
晃 阿部
智彦 佐川
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アルバック東北株式会社
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Publication of WO2016114094A1 publication Critical patent/WO2016114094A1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/54—Testing for continuity
    • 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
    • G01R1/04—Housings; Supporting members; Arrangements of terminals
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/20—Coupling parts carrying sockets, clips or analogous contacts and secured only to wire or cable
    • H01R24/22—Coupling parts carrying sockets, clips or analogous contacts and secured only to wire or cable with additional earth or shield contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
    • H01R24/30—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable with additional earth or shield contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors

Definitions

  • the present invention relates to a terminal structure for a plug connector, a plug connector, a resistance measurement system, a cable disconnection checker, and a resistance measurement method, and in particular, in a device having a high need for reliable power supply such as a medical device. It is related with the terminal structure for plug connectors etc. which can perform resistance measurement of this.
  • Patent Document 1 listed below discloses a main body that electrically connects a terminal of a cable to be inspected or a connector of a cable assembly with a connector as a cable wiring inspection apparatus that is small and light, has excellent portability, and facilitates wiring inspection. It is a device that consists of a connector and a checker body that is electrically connected to this and inspects for the presence of a broken conductor such as a single cable.
  • the checker body has a diode that allows current to flow in only one direction,
  • a configuration is disclosed that includes an electric circuit including a signal LED that is turned on and off when an abnormality occurs, and a changeover switch according to the inspection purpose.
  • the applicant of the present application is a cable disconnection checker that can easily and reliably inspect for the presence or absence of disconnection of the power cable, for the power supply unit and each terminal (test terminal) of the cable.
  • the cable disconnection checker invention has been completed and has already been filed with a tester body comprising a tester body having a tester body and a display unit for displaying the presence or absence of disconnection. (Patent Document 2 described later).
  • JP 2003-315401 A “Cable Wiring Inspection Device” Japanese Patent Laying-Open No. 2015-232527 “Cable disconnection checker”
  • the applicant not only in the medical field such as a medical device, a diagnostic device, and a testing device, but also in all fields that use devices with a high need for reliable power supply,
  • the power cable can be easily and reliably inspected for disconnection, and can be used easily even if it is not a technician who is an expert in the electrical field.
  • the applicant developed a cable disconnection checker using a resistance value measurement method based on the two-terminal method, and demonstrated the high practicality of the present invention.
  • the measurement accuracy can be further increased, the value of the product can be further increased and the application field can be expanded.
  • this directionality is linked not only to cable disconnection inspection but also to high accuracy and simplification of general resistance measurement.
  • FIG. 8 is a circuit diagram showing a resistance value measuring method by the two-terminal method.
  • FIG. 9 is an explanatory view showing the above-described cable disconnection checker and a method of using the same
  • FIGS. 10 and 11 are respectively an inlet for equipment (hereinafter referred to as “inlet”) constituting the cable disconnection checker according to FIG. ) And an outlet (receptacles, hereinafter simply referred to as “outlet”).
  • inlet for equipment
  • outlet receptacles, hereinafter simply referred to as “outlet”.
  • the cable break checker 500 of the present invention using the resistance value measuring method by the two-terminal method uses an inlet 811 and an outlet 911 as shown in FIGS.
  • the inlet 811 is composed of an inlet ground terminal 82, an inlet terminal 84, and an inlet terminal 85, that is, a total of three terminals.
  • the outlet 911 is composed of an outlet ground terminal 92, an outlet terminal 94, and an outlet terminal 95, that is, a total of three terminals.
  • an insertion plug (plug “hereinafter, simply“ plug ”) 620 and a cord connector body (cord connector hereafter, simply“ connector ”) 720 of the cable 200 to be tested are connected to an outlet 911 and an inlet 811 of the checker 500.
  • the resistance value can be measured by the two-terminal method simply by inserting the cable 200 into the cable 200, whereby the presence or absence of disconnection of the cable 200 can be inspected.
  • the measured value includes the contact resistance r1 with the lead wire and the resistance R1 of the lead wire, and the resistance value RX to be measured Only could not be measured.
  • the cable disconnection checker a specification that allows a precise inspection that the resistance value of the ground terminal is 0.1 ⁇ or less.
  • a four-terminal measurement method (hereinafter simply referred to as “four-terminal method”) as shown in a circuit diagram in FIG. 12 is used. It is essential to use it. This is because the measurement error based on the contact resistance r1 and the like can be made small enough to be ignored.
  • the simplicity and ease of handling which are the features of the cable disconnection checker, are impaired.
  • the problem to be solved by the present invention is a cable disconnection checker that can easily and reliably inspect for the presence or absence of disconnection of the power cable and that can easily perform high-accuracy measurement by the four-terminal method. Is to provide.
  • the problem to be solved by the present invention is to provide a resistance measurement method, a resistance measurement system, and the like that can perform resistance measurement in an electrical apparatus or the like with high accuracy and simplicity by a four-terminal method.
  • the inventor of the present application has determined that the resistance by the four-terminal measurement method can be obtained by using a structure in which a ground terminal is divided into a plurality of terminals in a terminal structure such as a resistance measurement system corresponding to a test terminal such as a cable. It was found that measurement was possible and that this could solve the problem. In addition, it was confirmed that the resistance of medical grounding wires as defined in JIS T0601-1 (Medical Electrical Equipment-General Safety Requirements) can be easily measured, and that safety in the medical field such as electric shock prevention can be secured. Based on this, the present invention has been completed. That is, the invention claimed in the present application, or at least the disclosed invention, as means for solving the above-described problems is as follows.
  • a terminal structure for a plug connector which is a terminal structure corresponding to the plug connector, wherein the ground terminal is divided into a plurality of terminals.
  • a terminal structure for a plug connector which is a terminal structure provided in the plug connector, wherein the ground terminal is divided into a plurality of terminals.
  • [5] The terminal structure for a plug connector according to [4], wherein a tip end portion of the ground terminal is divided by an insulating means.
  • [6] The terminal structure for a plug connector according to any one of [1] to [3], which is related to an outlet (hereinafter referred to as “outlet”).
  • An insertion connector comprising the terminal structure for an insertion connector according to any one of [1] to [6].
  • a resistance measurement system comprising at least a pair of an inlet type and an outlet type as a terminal structure for an insertion connector in which a ground terminal is divided into a plurality.
  • the medical device, the diagnostic device, the inspection Highly accurate resistance measurement by the 4-terminal method can be performed with simple operation in devices that require high power supply, not to mention medical fields such as medical devices, monitoring devices, or surgical devices. . That is, accurate resistance value measurement can be easily performed.
  • the present invention can perform resistance measurement by the four-terminal method by simply inserting a plug or the like without using a conventional tester equipped with a probe, and is highly practical. And according to this invention, the safety
  • the present invention it is possible to realize a “single-type portable cable disconnection checker” as a high-precision model in the cable disconnection checker already invented by the applicant.
  • “one type” means a device that inspects one cord at a time, and the mouth is provided with a total of two ports, an inlet 1 and an outlet 1.
  • the resistance value can be easily measured by the four-terminal method with the plug inserted only by inserting the plug.
  • the cable disconnection checker By using the cable disconnection checker according to the present invention, for example, in a medical site such as a general hospital, a vast amount of cable inspection work requiring accuracy is performed by a limited number of engineers who are experts in the electrical field. There is no need to perform the operation, and the burden of the work can be greatly reduced. And, by simple operation, it is possible to perform inspection work to confirm the presence or absence of cable breakage with high accuracy in a short time, so that each nurse such as a nurse who actually uses the device can easily perform this work. Can do.
  • FIG. 1 It is a perspective view which shows the basic composition of the inlet which has the terminal structure for plug connectors of this invention. It is a perspective view which shows the terminal structure of the inlet shown in FIG. It is explanatory drawing which shows the connection method in the inlet shown in FIG. It is a perspective view which shows the basic composition of the outlet which has the terminal structure for plug connectors of this invention. It is explanatory drawing which shows the connection method in the outlet shown in FIG. It is a photograph figure which shows the Example (inlet) of the plug connector of this invention. It is a photograph figure which shows the Example (outlet) of the plug connector of this invention. It is a conceptual diagram which shows the structure of this invention resistance measurement system. It is a circuit diagram which shows the resistance value measuring method by a 2 terminal method.
  • FIG. 1 is a perspective view showing a basic configuration of an inlet having a terminal structure for a plug connector according to the present invention.
  • FIG. 1-2 is a perspective view showing a terminal structure of the inlet shown in FIG. 1, and FIG. 2 is an explanatory view showing a connection method in the inlet shown in FIG.
  • the plug connector terminal structure 10 corresponds to the plug connector 20 such as a connector
  • the inlet terminals 4 and 5 are the same as usual, but there are a plurality of ground terminals 2.
  • the main structure is to be divided. Specifically, the ground terminal 2 is divided into a ground terminal A (2A) and a ground terminal B (2B) through an insulating means 3 using an appropriate insulating material.
  • the terminal structure 10 for a plug connector includes a total of four terminals, that is, four terminals, that is, an inlet terminal 4, an inlet terminal 5, a ground terminal A (2A), and a ground terminal B (2B). Based on such a configuration, it is possible to realize resistance value measurement by the four-terminal method. Therefore, as shown in FIG. 2, by inserting the plug connector 20 such as a connector (3P female plug in the example shown in the figure) into the inlet 11, in the electrical equipment or cable provided with the plug connector 20. One preparation for measuring the resistance value of the resistor by the four-terminal method is prepared.
  • FIG. 3 is a perspective view showing a basic configuration of an outlet having a terminal structure for a plug connector according to the present invention.
  • FIG. 4 is an explanatory diagram showing a connection method in the outlet shown in FIG.
  • the plug connector terminal structure 210 corresponds to the plug connector 220 such as a plug
  • the outlet terminals 24 and 25 are the same as usual, but there are a plurality of outlet ground terminals 22. It is assumed that the main structure is divided into two. Specifically, the outlet ground terminal 22 is divided into an outlet ground terminal A (22A) and an outlet ground terminal B (22B).
  • the plug connector terminal structure 210 of the present invention includes a total of four terminals, that is, four terminals, that is, the outlet terminal 24, the outlet terminal 25, the outlet ground terminal A (22A), and the outlet ground terminal B (22B). Therefore, based on such a configuration, it is possible to realize resistance value measurement by a four-terminal method. Therefore, as shown in FIG. 4, by inserting a plug connector 220 such as a plug (3P male plug in the example in the figure) into the outlet 211, an electrical device provided with the plug connector terminal structure 220 or One preparation for measuring the resistance value of the resistance in the cable by the four-terminal method is completed.
  • a plug connector 220 such as a plug (3P male plug in the example in the figure
  • FIG. 5 and 6 are photographic diagrams showing examples of inlets and outlets, respectively, as examples of the plug connector of the present invention. That is, the plug connector itself provided with the plug connector terminal structure described above is also within the scope of the present invention.
  • 5A is a view of the inlet as viewed obliquely from above
  • FIG. 5B is a view as viewed from the side.
  • FIG. 6C shows the internal structure (terminal structure) of the outlet according to the present invention
  • FIG. 6D shows the conventional outlet.
  • the plug connector of the present invention has a very simple terminal structure for both the inlet 311 and the outlet 411. By using both of these, it is possible to configure a system that enables resistance measurement by the four-terminal method.
  • FIG. 7 is a conceptual diagram showing the configuration of the resistance measurement system of the present invention.
  • the resistance measurement system 100 includes at least a pair of inlets 110P and an outlet 110R, and a resistance measurement function unit 150 connected to both, and both the inlet 110P and the outlet 110R are as described above. It is the structure provided with the terminal structure for plug connectors in which the ground terminal is divided into a plurality.
  • the resistance measuring object 180 it is possible to measure the resistance value of the measuring object 180 by the four-terminal method simply by inserting the terminals 190Q and 190S of the measuring object 180 into the inlet 110P and outlet 110R of the system 100. Two or more inlets 110P and 110R may be provided. In this case, it is possible to provide a system capable of simultaneously measuring resistance values of a plurality of measurement objects. Moreover, the resistance measuring method itself by the four-terminal measuring method using the resistance value measuring system 100 is also within the scope of the present invention.
  • the outlet 211 having the plug connector terminal structure 210 divided into the ground terminals 22A and 22B a cable disconnection checker capable of measuring resistance by the four-terminal method can be configured.
  • Such a cable disconnection checker can accurately determine the presence or absence of a cable disconnection by the same method of use as shown in FIG.
  • the use of the cable disconnection checker and resistance measurement system of the present invention is not limited, but for example, for a cable disconnection test for medical equipment, diagnostic equipment, inspection equipment, monitoring equipment, or surgical equipment. Can be preferably used.
  • the terminal structure for a plug connector of the present invention described above can easily measure resistance of 0.1 ⁇ or less by using it for a plug connector, resistance measurement system, cable disconnection checker, or resistance measurement method.
  • the electric shock prevention performance can be enhanced.
  • the terminal structure for plug connector, resistance measurement system, etc. of the present invention highly accurate resistance measurement by the four-terminal method can be performed by simple operation in devices such as medical devices where there is a high need for reliable power supply. Therefore, accurate resistance measurement can be easily performed.
  • accurate disconnection determination of power cables has been an important issue.
  • the cable disconnection checker of the present invention the presence or absence of disconnection of the power cable is determined. It can be easily and personally determined.
  • the present invention is an invention that is highly demanded of industrial regulations in all related industrial fields.

Abstract

[Solution] A cable disconnection checker with which it is possible to measure resistance by a four-terminal method due to a configuration provided with an inlet 11 having an insertion connector terminal structure 10 configured so that a ground terminal 2 is divided into ground terminals 2A, 2B by an insulating means 3 in which an appropriate insulating material is used, and an outlet 211 having an insertion connector terminal structure 210 configured so that an outlet ground terminal 22 is divided into outlet ground terminals 22A, 22B. The presence or absence of a disconnection of the power cable can thereby be detected easily and reliably, and highly accurate measurement is easily possible. The selected figures are Figs. 1-2.　

Description

差込接続器用端子構造、差込接続器、抵抗測定システム、ケーブル断線チェッカー、および抵抗測定方法Terminal structure for plug connector, plug connector, resistance measurement system, cable disconnection checker, and resistance measurement method
　本発明は、差込接続器用端子構造、差込接続器、抵抗測定システム、ケーブル断線チェッカー、および抵抗測定方法に係り、特に、医療機器など確実な電源供給の必要性の高い機器において、高精度の抵抗測定を行うことのできる、差込接続器用端子構造等に関するものである。 The present invention relates to a terminal structure for a plug connector, a plug connector, a resistance measurement system, a cable disconnection checker, and a resistance measurement method, and in particular, in a device having a high need for reliable power supply such as a medical device. It is related with the terminal structure for plug connectors etc. which can perform resistance measurement of this.
　総合病院等の医療現場においては、医療機器、診断用機器、検査用機器など種々の電気機器が用いられる。これらの機器を安全に供用するために、電源ケーブルが断線していないかどうかを確認することは重要な業務である。しかし、かかる業務を、機器を主として取扱う看護師等が行うことは決して容易ではないため、電気分野に詳しい専門の技術者がこの作業を行うことが通常である。 Various medical devices such as medical devices, diagnostic devices, and inspection devices are used in medical sites such as general hospitals. In order to use these devices safely, it is important to check whether the power cable is disconnected. However, it is not easy for nurses or the like who mainly handle equipment to perform such work, and it is normal for a professional engineer familiar with the electrical field to perform this work.
　電源ケーブル等の検査技術に関しては、従来から技術的提案もなされている。たとえば後掲特許文献１には、小型軽量で持ち運び性が優れ、配線検査を容易に行えるケーブル配線検査装置として、検査対象ケーブル単体の端子またはコネクタ付きケーブルアセンブリーのコネクタを電気的に接続する本体コネクタと、これに電気的に接続してケーブル単体等の導体断線の有無等を検査するためのチェッカー本体とからなる装置であって、チェッカー本体は電流が一方向しか流れないダイオードと、正常時には点灯、異常時には消灯する信号ＬＥＤと、検査目的に応じた切り替えスイッチとを備えた電気回路を有する構成が開示されている。 In the past, technical proposals have been made regarding inspection technology for power cables and the like. For example, Patent Document 1 listed below discloses a main body that electrically connects a terminal of a cable to be inspected or a connector of a cable assembly with a connector as a cable wiring inspection apparatus that is small and light, has excellent portability, and facilitates wiring inspection. It is a device that consists of a connector and a checker body that is electrically connected to this and inspects for the presence of a broken conductor such as a single cable. The checker body has a diode that allows current to flow in only one direction, A configuration is disclosed that includes an electric circuit including a signal LED that is turned on and off when an abnormality occurs, and a changeover switch according to the inspection purpose.
　電源ケーブル等の検査は、施設の規模が大きくなればなるほど当該作業の負担が大きくなる。実際に機器を使用する看護師等の各自がこの作業を行うことができればよいが、そのためには、簡易な操作によって確実に検査作業を行えることが必要である。しかし、上記文献開示技術を含め、従来技術ではこの問題が有効に解決できていない。また、かかる問題は、決して医療分野のみに限定されるものではなく、確実な電源供給の必要性の高い機器を用いるあらゆる分野において、共通する問題である。 Inspecting power cables, etc., the greater the scale of the facility, the greater the burden of that work. Each of the nurses and the like who actually use the device may be able to perform this operation, but in order to do so, it is necessary that the inspection operation can be surely performed by a simple operation. However, this problem cannot be effectively solved by the conventional techniques including the above-described document disclosure technique. In addition, such a problem is not limited to the medical field, but is a problem common to all fields using a device that requires a high level of reliable power supply.
　このような状況を解決するために本願出願人は、電源ケーブルの断線の有無を簡易にかつ確実に検査することのできるケーブル断線チェッカーとして、電源部と、ケーブルの各端子（被検端子）用の各テスト端子と、断線有無を表示する表示部とを備えたチェッカー本体を備えて構成され、テスト端子は被検端子に対応したコンセント型とする構成のケーブル断線チェッカー発明を完成し、既に出願した（後掲特許文献２）。 In order to solve such a situation, the applicant of the present application is a cable disconnection checker that can easily and reliably inspect for the presence or absence of disconnection of the power cable, for the power supply unit and each terminal (test terminal) of the cable. The cable disconnection checker invention has been completed and has already been filed with a tester body comprising a tester body having a tester body and a display unit for displaying the presence or absence of disconnection. (Patent Document 2 described later).
特開２００３－３１５４０１号公報「ケーブル配線検査装置」JP 2003-315401 A “Cable Wiring Inspection Device” 特開２０１５－２３２５２７号公報「ケーブル断線チェッカー」Japanese Patent Laying-Open No. 2015-232527 “Cable disconnection checker”
　さて、出願人による上記ケーブル断線チェッカー発明によれば、医療機器、診断用機器、検査用機器といった医療分野はいうに及ばず、確実な電源供給の必要性の高い機器を使用する全分野において、電源ケーブルの断線の有無を簡易に、かつ確実に検査することができ、電気分野の専門家たる技術者でなくても容易に使用できる。この発明に基づき出願人は、２端子法による抵抗値測定方式でのケーブル断線チェッカーを開発し、本発明の実用性の高さを実証した。しかし、測定精度をさらに高いものとすることができれば、さらに製品の価値を高め、また適用分野を広げることができる。加えてこの方向性を、ケーブル断線検査のみならず、一般的な抵抗測定の高精度化および簡易化に結びつけられれば、なおよい。 Now, according to the above-mentioned cable disconnection checker invention by the applicant, not only in the medical field such as a medical device, a diagnostic device, and a testing device, but also in all fields that use devices with a high need for reliable power supply, The power cable can be easily and reliably inspected for disconnection, and can be used easily even if it is not a technician who is an expert in the electrical field. Based on this invention, the applicant developed a cable disconnection checker using a resistance value measurement method based on the two-terminal method, and demonstrated the high practicality of the present invention. However, if the measurement accuracy can be further increased, the value of the product can be further increased and the application field can be expanded. In addition, it is better if this directionality is linked not only to cable disconnection inspection but also to high accuracy and simplification of general resistance measurement.
　図８は、２端子法による抵抗値測定方法を示す回路図である。また、
図９は上記既発明のケーブル断線チェッカーとその使用方法を示す説明図であり、図１０、１１はそれぞれ、図９に係るケーブル断線チェッカーを構成する機器用インレット（ｉｎｌｅｔ　ｐｌｕｇ　以下、単に「インレット」）とコンセント（ｒｅｃｅｐｔａｃｌｅ　以下、単に「アウトレット」）の端子構造を示す説明図である。これらに示すように、２端子法による抵抗値測定方法を用いる既発明のケーブル断線チェッカー５００では、図１０および１１に示すようなインレット８１１およびアウトレット９１１を使用している。インレット８１１は、インレットアース端子８２、インレット端子８４およびインレット端子８５、計３本の端子から構成されている。一方、アウトレット９１１は、アウトレットアース端子９２、アウトレット端子９４およびアウトレット端子９５、計３本の端子から構成されている。 FIG. 8 is a circuit diagram showing a resistance value measuring method by the two-terminal method. Also,
FIG. 9 is an explanatory view showing the above-described cable disconnection checker and a method of using the same, and FIGS. 10 and 11 are respectively an inlet for equipment (hereinafter referred to as “inlet”) constituting the cable disconnection checker according to FIG. ) And an outlet (receptacles, hereinafter simply referred to as “outlet”). As shown in these figures, the cable break checker 500 of the present invention using the resistance value measuring method by the two-terminal method uses an inlet 811 and an outlet 911 as shown in FIGS. The inlet 811 is composed of an inlet ground terminal 82, an inlet terminal 84, and an inlet terminal 85, that is, a total of three terminals. On the other hand, the outlet 911 is composed of an outlet ground terminal 92, an outlet terminal 94, and an outlet terminal 95, that is, a total of three terminals.
　本ケーブル断線チェッカー５００では、試験したいケーブル２００の差込プラグ（ｐｌｕｇ　以下、単に「プラグ」）６２０、コードコネクタボディ（ｃｏｒｄ　ｃｏｎｎｅｃｔｏｒ　以下、単に「コネクタ」）７２０を、チェッカー５００のアウトレット９１１、インレット８１１にそれぞれ差込むだけで、２端子法による抵抗値測定を行うことができ、それによってケーブル２００の断線有無を検査することができる。しかし２端子法では、測定したい抵抗値ＲＸの他に、リード線との接触抵抗ｒ１等やリード線の抵抗Ｒ１等を含んだ測定値となってしまうことを避けられず、測定したい抵抗値ＲＸのみを測定することができなかった。 In the cable disconnection checker 500, an insertion plug (plug “hereinafter, simply“ plug ”) 620 and a cord connector body (cord connector hereafter, simply“ connector ”) 720 of the cable 200 to be tested are connected to an outlet 911 and an inlet 811 of the checker 500. The resistance value can be measured by the two-terminal method simply by inserting the cable 200 into the cable 200, whereby the presence or absence of disconnection of the cable 200 can be inspected. However, in the two-terminal method, in addition to the resistance value RX to be measured, it is inevitable that the measured value includes the contact resistance r1 with the lead wire and the resistance R1 of the lead wire, and the resistance value RX to be measured Only could not be measured.
　ケーブル断線チェカーを、アース端子の抵抗値が０．１Ω以下であることを精緻検査できる仕様とすることによって、より精度の高い測定が可能である。０．１Ωの精緻測定を行うためには接触抵抗を排除する必要があり、そのためには、図１２に回路図を示すような４端子測定法（以下、単に「４端子法」）の方式を用いることが必須である。これにより、接触抵抗ｒ１等に基づく測定誤差を、無視し得るほど小さくできるからである。しかし、従来の４端子法のようにプラグ端子にテスターのプローブをあてて測定する方式では、当該ケーブル断線チェッカーの特長である簡便性や取扱い易さを損なってしまう。 Measures with higher accuracy are possible by making the cable disconnection checker a specification that allows a precise inspection that the resistance value of the ground terminal is 0.1Ω or less. In order to perform precise measurement of 0.1Ω, it is necessary to eliminate contact resistance. For this purpose, a four-terminal measurement method (hereinafter simply referred to as “four-terminal method”) as shown in a circuit diagram in FIG. 12 is used. It is essential to use it. This is because the measurement error based on the contact resistance r1 and the like can be made small enough to be ignored. However, in the method of measuring by applying a tester probe to the plug terminal as in the conventional four-terminal method, the simplicity and ease of handling, which are the features of the cable disconnection checker, are impaired.
　そこで、本発明が解決しようとする課題は、電源ケーブルの断線の有無を簡易に、かつ確実に検査することができる上、４端子法による高精度の測定を簡易に可能とする、ケーブル断線チェッカーを提供することである。加えて本発明が解決しようとする課題は、電気機器等における抵抗測定を、４端子法により高精度かつ簡易に行うことのできる、抵抗測定方法、抵抗測定システム等を提供することである。 Therefore, the problem to be solved by the present invention is a cable disconnection checker that can easily and reliably inspect for the presence or absence of disconnection of the power cable and that can easily perform high-accuracy measurement by the four-terminal method. Is to provide. In addition, the problem to be solved by the present invention is to provide a resistance measurement method, a resistance measurement system, and the like that can perform resistance measurement in an electrical apparatus or the like with high accuracy and simplicity by a four-terminal method.
　本願発明者は上記課題について鋭意検討した結果、ケーブル等の被検端子に対応する抵抗測定システム等の端子構造において、アース端子を複数に分割されている構造とすることによって４端子測定法による抵抗測定を可能とし、これによって課題解決できることを見出した。さらに、ＪＩＳ　Ｔ　０６０１－１（医用電気機器－安全に関する一般的要求事項）で定める医用接地線の抵抗０．１Ω以下を簡単に測定でき、感電防止などの医療現場の安全を確保できることも確認し、これを基準として本発明を完成するに至った。すなわち、上記課題を解決するための手段として本願で特許請求される発明、もしくは少なくとも開示される発明は、以下の通りである。 As a result of intensive studies on the above problems, the inventor of the present application has determined that the resistance by the four-terminal measurement method can be obtained by using a structure in which a ground terminal is divided into a plurality of terminals in a terminal structure such as a resistance measurement system corresponding to a test terminal such as a cable. It was found that measurement was possible and that this could solve the problem. In addition, it was confirmed that the resistance of medical grounding wires as defined in JIS T0601-1 (Medical Electrical Equipment-General Safety Requirements) can be easily measured, and that safety in the medical field such as electric shock prevention can be secured. Based on this, the present invention has been completed. That is, the invention claimed in the present application, or at least the disclosed invention, as means for solving the above-described problems is as follows.
　〔１〕　差込接続器に対応する端子構造であって、そのアース端子が複数に分割されていることを特徴とする、差込接続器用端子構造。
　〔２〕　差込接続器に備えられている端子構造であって、そのアース端子が複数に分割されていることを特徴とする、差込接続器用端子構造。
　〔３〕　４端子を備えていることを特徴とする、〔１〕または〔２〕に記載の差込接続器用端子構造。
　〔４〕　機器用インレット（以下、「インレット」という。）に係るものであることを特徴とする、〔１〕ないし〔３〕のいずれかに記載の差込接続器用端子構造。 [1] A terminal structure for a plug connector, which is a terminal structure corresponding to the plug connector, wherein the ground terminal is divided into a plurality of terminals.
[2] A terminal structure for a plug connector, which is a terminal structure provided in the plug connector, wherein the ground terminal is divided into a plurality of terminals.
[3] The terminal structure for a plug connector according to [1] or [2], comprising four terminals.
[4] The terminal structure for a plug connector according to any one of [1] to [3], which is related to an inlet for equipment (hereinafter referred to as “inlet”).
　〔５〕　前記アース端子の先端部は絶縁手段により分割されていることを特徴とする、〔４〕に記載の差込接続器用端子構造。
　〔６〕　コンセント（以下、「アウトレット」という。）に係るものであることを特徴とする、〔１〕ないし〔３〕のいずれかに記載の差込接続器用端子構造。
　〔７〕　〔１〕ないし〔６〕のいずれかに記載の差込接続器用端子構造を備えていることを特徴とする、差込接続器。
　〔８〕　アース端子が複数に分割されている差込接続器用端子構造として、インレット形態のものとアウトレット形態のものとを少なくとも一対備えていることを特徴とする、抵抗測定システム。 [5] The terminal structure for a plug connector according to [4], wherein a tip end portion of the ground terminal is divided by an insulating means.
[6] The terminal structure for a plug connector according to any one of [1] to [3], which is related to an outlet (hereinafter referred to as “outlet”).
[7] An insertion connector, comprising the terminal structure for an insertion connector according to any one of [1] to [6].
[8] A resistance measurement system comprising at least a pair of an inlet type and an outlet type as a terminal structure for an insertion connector in which a ground terminal is divided into a plurality.
　〔９〕　４端子測定法による測定が可能であることを特徴とする、〔８〕に記載の抵抗測定システム。
　〔１０〕　〔８〕または〔９〕に記載の抵抗測定システムを用いた、ケーブル断線チェッカー。
　〔１１〕　医療機器、診断用機器、検査用機器、監視用機器、または手術用機器のケーブルの断線有無試験用であることを特徴とする、〔１０〕に記載のケーブル断線チェッカー。
　〔１２〕　〔８〕または〔９〕に記載の抵抗測定システムを用いた、４端子測定法による抵抗測定方法。
　〔１３〕　用いることによって０．１Ω以下の抵抗測定容易であることを特徴とする、〔１〕ないし〔６〕のいずれかに記載の差込接続器用端子構造。
　〔１４〕　用いることによって感電防止性能を高められることを特徴とする、または、感電防止性能の確認を確実なものとすることのできる、〔１〕ないし〔６〕または〔１３〕のいずれかに記載の差込接続器用端子構造。 [9] The resistance measurement system according to [8], wherein measurement by a four-terminal measurement method is possible.
[10] A cable break checker using the resistance measurement system according to [8] or [9].
[11] The cable disconnection checker according to [10], wherein the cable disconnection checker is used for a disconnection test of a cable of a medical device, a diagnostic device, an inspection device, a monitoring device, or a surgical device.
[12] A resistance measurement method by a four-terminal measurement method using the resistance measurement system according to [8] or [9].
[13] The terminal structure for a plug connector according to any one of [1] to [6], wherein resistance measurement of 0.1Ω or less is easy by using.
[14] The use of any one of [1] to [6] or [13] is characterized in that the electric shock prevention performance can be enhanced by use, or the confirmation of the electric shock prevention performance can be ensured. The terminal structure for plug connectors as described.
　本発明の差込接続器用端子構造、差込接続器、抵抗測定システム、ケーブル断線チェッカー、および抵抗測定方法は上述のように構成されるため、これらによれば、医療機器、診断用機器、検査用機器、監視用機器、または手術用機器といった医療分野はいうに及ばず、確実な電源供給の必要性の高い機器において、４端子法による高精度の抵抗測定を簡単な操作によって行うことができる。つまり、正確な抵抗値測定を容易に行うことができる。また本発明は、４端子法による抵抗値測定を、従来のようなプローブ具備のテスターを用いることなく、より簡便なプラグ等の差込みだけで行うことができ、実用性が高い。しかも本発明によれば、感電に対する安全を確保することもできる。つまり、単に精度を高めただけではなく、ＪＩＳ　Ｔ　０６０１－１（医用電気機器－安全に関する一般的要求事項）で定める、医用接地線の抵抗０．１Ω以下を簡単に測定でき、感電防止などの医療現場の安全を有効に確保することができる。 Since the terminal structure for a plug connector, the plug connector, the resistance measurement system, the cable disconnection checker, and the resistance measurement method of the present invention are configured as described above, according to these, the medical device, the diagnostic device, the inspection Highly accurate resistance measurement by the 4-terminal method can be performed with simple operation in devices that require high power supply, not to mention medical fields such as medical devices, monitoring devices, or surgical devices. . That is, accurate resistance value measurement can be easily performed. Further, the present invention can perform resistance measurement by the four-terminal method by simply inserting a plug or the like without using a conventional tester equipped with a probe, and is highly practical. And according to this invention, the safety | security with respect to an electric shock can also be ensured. In other words, not only the accuracy is improved, but the resistance of the medical grounding wire of 0.1Ω or less as defined in JIS T 0601-1 (general electrical equipment-general requirements for safety) can be easily measured. It is possible to effectively ensure the safety of medical sites.
　また、本発明によれば、出願人による既発明のケーブル断線チェッカーにおける高精度の機種として「１本型携帯型ケーブル断線チェッカー」を実現することができる。なお「１本型」とは、コード１本ずつを点検する機器という意味であり、口は、インレット１、アウトレット１の計２口を備える。従来のようにプラグ端子にテスターのプローブをあてるのではなく、あくまでもプラグ等の差込み操作のみによって、プラグ等を差込んだ状態で４端子法による抵抗値測定を容易に行うことができ、アース端子の抵抗値が０．１Ω以下であるか否かまで、手軽に精緻検査することができる。 Further, according to the present invention, it is possible to realize a “single-type portable cable disconnection checker” as a high-precision model in the cable disconnection checker already invented by the applicant. In addition, "one type" means a device that inspects one cord at a time, and the mouth is provided with a total of two ports, an inlet 1 and an outlet 1. Rather than applying a tester probe to the plug terminal as in the past, the resistance value can be easily measured by the four-terminal method with the plug inserted only by inserting the plug. Thus, it is possible to easily carry out a fine inspection up to whether the resistance value is 0.1Ω or less.
　本発明のケーブル断線チェッカーを用いれば、たとえば総合病院等の医療現場においては、正確さを要求される膨大な量のケーブル検査作業の全てを、限られた人数の電気分野専門家たる技術者が行う必要がなくなり、当該作業の負担を大きく軽減することができる。そして、簡易な操作によって、短時間で、確実にケーブル断線の有無を高精度に確認する検査作業を行えるため、実際に機器を使用する看護師等の各自においても、容易にこの作業を行うことができる。 By using the cable disconnection checker according to the present invention, for example, in a medical site such as a general hospital, a vast amount of cable inspection work requiring accuracy is performed by a limited number of engineers who are experts in the electrical field. There is no need to perform the operation, and the burden of the work can be greatly reduced. And, by simple operation, it is possible to perform inspection work to confirm the presence or absence of cable breakage with high accuracy in a short time, so that each nurse such as a nurse who actually uses the device can easily perform this work. Can do.
本発明の差込接続器用端子構造を有するインレットの基本的構成を示す斜視図である。It is a perspective view which shows the basic composition of the inlet which has the terminal structure for plug connectors of this invention. 図１に示すインレットの端子構造を示す斜視図である。It is a perspective view which shows the terminal structure of the inlet shown in FIG. 図１に示すインレットにおける接続方法を示す説明図である。It is explanatory drawing which shows the connection method in the inlet shown in FIG. 本発明の差込接続器用端子構造を有するアウトレットの基本的構成を示す斜視図である。It is a perspective view which shows the basic composition of the outlet which has the terminal structure for plug connectors of this invention. 図３に示すアウトレットにおける接続方法を示す説明図である。It is explanatory drawing which shows the connection method in the outlet shown in FIG. 本発明差込接続器の実施例（インレット）を示す写真図である。It is a photograph figure which shows the Example (inlet) of the plug connector of this invention. 本発明差込接続器の実施例（アウトレット）を示す写真図である。It is a photograph figure which shows the Example (outlet) of the plug connector of this invention. 本発明抵抗測定システムの構成を示す概念図である。It is a conceptual diagram which shows the structure of this invention resistance measurement system. ２端子法による抵抗値測定方法を示す回路図である。It is a circuit diagram which shows the resistance value measuring method by a 2 terminal method. 既発明のケーブル断線チェッカーとその使用方法を示す説明図である。It is explanatory drawing which shows the cable disconnection checker of already invention, and its usage. 図９に係るケーブル断線チェッカーを構成する機器用インレット（インレット）の端子構造を示す説明図である。It is explanatory drawing which shows the terminal structure of the inlet for apparatuses (inlet) which comprises the cable disconnection checker which concerns on FIG. 図９に係るケーブル断線チェッカーを構成するコンセント（アウトレット）の端子構造を示す説明図である。It is explanatory drawing which shows the terminal structure of the outlet socket (outlet) which comprises the cable disconnection checker which concerns on FIG. ４端子法による抵抗値測定方法を示す回路図である。It is a circuit diagram which shows the resistance value measuring method by a 4 terminal method.
２、３２…アース端子
　２Ａ、３２Ａ…アース端子Ａ
　２Ｂ、３２Ｂ…アース端子Ｂ
３、３３…絶縁手段
４、５、３４、３５…インレット端子
１０、２１０、３１０、４１０…差込接続器用端子構造
１１、１１０Ｐ、３１１…インレット
２０、２２０…差込接続器
２２、４２…アウトレットアース端子
　２２Ａ、４２Ａ…アウトレットアース端子Ａ
　２２Ｂ、４２Ｂ…アウトレットアース端子Ｂ
２４、２５、４４、４５…アウトレット端子
１００…抵抗測定システム
１５０…抵抗測定機能部
１８０…測定対象物
　１９０Ｑ、１９０Ｓ…測定対象物の端子
１１０Ｒ、２１１、４１１…アウトレット 2, 32 ... Earth terminal 2A, 32A ... Earth terminal A
2B, 32B ... Earth terminal B
3, 33 ... Insulating means 4, 5, 34, 35 ... Inlet terminals 10, 210, 310, 410 ... Terminal structure for plug connector 11, 110P, 311 ... Inlet 20, 220 ... Plug connector 22, 42 ... Outlet Earth terminal 22A, 42A ... Outlet earth terminal A
22B, 42B ... Outlet ground terminal B
24, 25, 44, 45 ... Outlet terminal 100 ... Resistance measurement system 150 ... Resistance measurement function unit 180 ... Measurement object 190Q, 190S ... Measurement object terminals 110R, 211, 411 ... Outlet
５２、９２…アウトレットアース端子
５４、５５、９４、９５…アウトレット端子
８２…インレットアース端子
８４、８５…インレット端子
２００…ケーブル
５００…ケーブル断線チェッカー
５１１、９１１…アウトレット
６２０…プラグ
７２０…コネクタ
８１０…インレットの端子構造
８１１…インレット
９１０…アウトレットの端子構造
ＲＸ…測定したい抵抗値
ｒ１、ｒ２、ｒ３、ｒ４，ｒ５、ｒ６、ｒ７、ｒ８…接触抵抗
Ｒ１、Ｒ２、Ｒ３、Ｒ４…リード線の抵抗 52, 92 ... Outlet ground terminals 54, 55, 94, 95 ... Outlet terminal 82 ... Inlet ground terminals 84, 85 ... Inlet terminal 200 ... Cable 500 ... Cable disconnection checkers 511, 911 ... Outlet 620 ... Plug 720 ... Connector 810 ... Inlet Terminal structure 811 ... Inlet 910 ... Outlet terminal structure RX ... Resistance values r1, r2, r3, r4, r5, r6, r7, r8 ... Contact resistances R1, R2, R3, R4 ... Resistance of lead wires
　以下、本発明をより詳細に説明する。なお、ＪＩＳ（ＪＩＳ　Ｃ　８３０３）ならびにＩＥＣ６０３２０－１において規定されている用語を、本願では下記のように換えて用いることとする。
　「機器用インレット」（ｉｎｌｅｔ　ｐｌｕｇ）：機器用カプラーの一部分　―＞　「インレット」
　「コンセント」（ｒｅｃｅｐｔａｃｌｅ）：（固定された）プラグ受　―＞　「アウトレット」
　「差し込みプラグ」（ｐｌｕｇ）：電源コードの端部の刃が出た部分　―＞　「プラグ」
　「コードコネクタボディ」（ｃｏｒｄ　ｃｏｎｎｅｃｔｏｒ）：電源コードのプラグと反対側の刃受　―＞　「コネクタ」
　図１は、本発明の差込接続器用端子構造を有するインレットの基本的構成を示す斜視図である。また、図１－２は図１に示すインレットの端子構造を示す斜視図、図２は図１に示すインレットにおける接続方法を示す説明図である。これらに示すように本差込接続器用端子構造１０は、コネクタ等の差込接続器２０に対応するものであって、インレット端子４、５は通常と同様であるが、アース端子２が複数に分割されていることを、主たる構成とする。具体的には、適宜の絶縁材を用いた絶縁手段３を介して、アース端子２がアース端子Ａ（２Ａ）とアース端子Ｂ（２Ｂ）とに分割された構成である。
　すなわち本発明の差込接続器用端子構造１０においては、インレット端子４、インレット端子５、アース端子Ａ（２Ａ）およびアース端子Ｂ（２Ｂ）の計４個の端子、つまり４端子が備えられており、かかる構成に基づいて、４端子法による抵抗値測定を実現することができる。したがって、図２に示すようにコネクタ等の差込接続器２０（図の例では、３Ｐメスプラグ）を本インレット１１に差込むことによって、当該差込接続器２０の備えられた電気機器やケーブルにおける抵抗の抵抗値を４端子法にて測定するための準備が、一つ整えられることになる。 Hereinafter, the present invention will be described in more detail. Note that the terms defined in JIS (JIS C 8303) and IEC60320-1 are used in the present application as follows.
“Inlet plug”: A part of the coupler for the device-> “Inlet”
"Receptacles": (fixed) plug receptacle->"outlet"
"Plug plug" (plug): The part where the blade at the end of the power cord comes out->"Plug"
"Cord connector body": Blade receptacle on the opposite side of the power cord plug->"Connector"
FIG. 1 is a perspective view showing a basic configuration of an inlet having a terminal structure for a plug connector according to the present invention. FIG. 1-2 is a perspective view showing a terminal structure of the inlet shown in FIG. 1, and FIG. 2 is an explanatory view showing a connection method in the inlet shown in FIG. As shown in these figures, the plug connector terminal structure 10 corresponds to the plug connector 20 such as a connector, and the inlet terminals 4 and 5 are the same as usual, but there are a plurality of ground terminals 2. The main structure is to be divided. Specifically, the ground terminal 2 is divided into a ground terminal A (2A) and a ground terminal B (2B) through an insulating means 3 using an appropriate insulating material.
That is, the terminal structure 10 for a plug connector according to the present invention includes a total of four terminals, that is, four terminals, that is, an inlet terminal 4, an inlet terminal 5, a ground terminal A (2A), and a ground terminal B (2B). Based on such a configuration, it is possible to realize resistance value measurement by the four-terminal method. Therefore, as shown in FIG. 2, by inserting the plug connector 20 such as a connector (3P female plug in the example shown in the figure) into the inlet 11, in the electrical equipment or cable provided with the plug connector 20. One preparation for measuring the resistance value of the resistor by the four-terminal method is prepared.
　図３は、本発明の差込接続器用端子構造を有するアウトレットの基本的構成を示す斜視図である。また、図４は図３に示すアウトレットにおける接続方法を示す説明図である。これらに示すように本差込接続器用端子構造２１０は、プラグ等の差込接続器２２０に対応するものであって、アウトレット端子２４、２５は通常と同様であるが、アウトレットアース端子２２が複数に分割されていることを、主たる構成とする。具体的には、アウトレットアース端子２２がアウトレットアース端子Ａ（２２Ａ）とアウトレットアース端子Ｂ（２２Ｂ）とに分割された構成である。 FIG. 3 is a perspective view showing a basic configuration of an outlet having a terminal structure for a plug connector according to the present invention. FIG. 4 is an explanatory diagram showing a connection method in the outlet shown in FIG. As shown in these figures, the plug connector terminal structure 210 corresponds to the plug connector 220 such as a plug, and the outlet terminals 24 and 25 are the same as usual, but there are a plurality of outlet ground terminals 22. It is assumed that the main structure is divided into two. Specifically, the outlet ground terminal 22 is divided into an outlet ground terminal A (22A) and an outlet ground terminal B (22B).
　すなわち本発明の差込接続器用端子構造２１０においては、アウトレット端子２４、アウトレット端子２５、アウトレットアース端子Ａ（２２Ａ）およびアウトレットアース端子Ｂ（２２Ｂ）の計４個の端子、つまり４端子が備えられており、かかる構成に基づいて、４端子法による抵抗値測定を実現することができる。したがって、図４に示すようにプラグ等の差込接続器２２０（図の例では、３Ｐオスプラグ）を本アウトレット２１１に差込むことによって、当該差込接続器用端子構造２２０の備えられた電気機器やケーブルにおける抵抗の抵抗値を４端子法にて測定するための準備が、一つ整えられたことになる。 That is, the plug connector terminal structure 210 of the present invention includes a total of four terminals, that is, four terminals, that is, the outlet terminal 24, the outlet terminal 25, the outlet ground terminal A (22A), and the outlet ground terminal B (22B). Therefore, based on such a configuration, it is possible to realize resistance value measurement by a four-terminal method. Therefore, as shown in FIG. 4, by inserting a plug connector 220 such as a plug (3P male plug in the example in the figure) into the outlet 211, an electrical device provided with the plug connector terminal structure 220 or One preparation for measuring the resistance value of the resistance in the cable by the four-terminal method is completed.
　図５、６は、本発明差込接続器の実施例としてそれぞれインレット、アウトレットの例を示す写真図である。すなわち、上述した差込接続器用端子構造を備えた差込接続器自体もまた、本発明の範囲内である。なお、図５の（ａ）はインレットを斜め上方から、（ｂ）は側面から見たものである。また、図６の（ｃ）が本発明に係るアウトレットの内部構造（端子構造）であり、（ｄ）は従来のアウトレットに係るものである。これらに示すように、本発明の差込接続器は、インレット３１１もアウトレット４１１も極めて簡単な端子構造である。そして、この両者を用いて、４端子法による抵抗値測定を可能とするシステムを構成することができる。 5 and 6 are photographic diagrams showing examples of inlets and outlets, respectively, as examples of the plug connector of the present invention. That is, the plug connector itself provided with the plug connector terminal structure described above is also within the scope of the present invention. 5A is a view of the inlet as viewed obliquely from above, and FIG. 5B is a view as viewed from the side. FIG. 6C shows the internal structure (terminal structure) of the outlet according to the present invention, and FIG. 6D shows the conventional outlet. As shown in these figures, the plug connector of the present invention has a very simple terminal structure for both the inlet 311 and the outlet 411. By using both of these, it is possible to configure a system that enables resistance measurement by the four-terminal method.
　図７は、本発明抵抗測定システムの構成を示す概念図である。図示するように本抵抗測定システム１００は、少なくとも一対のインレット１１０Ｐならびにアウトレット１１０Ｒ、およびこの両者に接続する抵抗測定機能部１５０とを備えて構成され、インレット１１０Ｐとアウトレット１１０Ｒはともに、上述したようにアース端子が複数に分割されている差込接続器用端子構造を備えた構成である。 FIG. 7 is a conceptual diagram showing the configuration of the resistance measurement system of the present invention. As shown in the figure, the resistance measurement system 100 includes at least a pair of inlets 110P and an outlet 110R, and a resistance measurement function unit 150 connected to both, and both the inlet 110P and the outlet 110R are as described above. It is the structure provided with the terminal structure for plug connectors in which the ground terminal is divided into a plurality.
　かかる構成により、測定対象物１８０の端子１９０Ｑ、１９０Ｓが本システム１００のインレット１１０Ｐ、アウトレット１１０Ｒに差込まれるだけで、測定対象物１８０の４端子法による抵抗値測定を行うことができる。なお、インレット１１０Ｐならびにアウトレット１１０Ｒは二以上を設けることとしてもよい。この場合には、複数の測定対象物について同時に抵抗値測定可能なシステムとすることが可能である。また、上記抵抗値測定システム１００を用いた４端子測定法による抵抗測定方法自体も、本発明の範囲内である。 With this configuration, it is possible to measure the resistance value of the measuring object 180 by the four-terminal method simply by inserting the terminals 190Q and 190S of the measuring object 180 into the inlet 110P and outlet 110R of the system 100. Two or more inlets 110P and 110R may be provided. In this case, it is possible to provide a system capable of simultaneously measuring resistance values of a plurality of measurement objects. Moreover, the resistance measuring method itself by the four-terminal measuring method using the resistance value measuring system 100 is also within the scope of the present invention.
　上記抵抗測定システムを用いて、高精度測定の可能なケーブル断線チェッカーを構成することができる。再度、前掲図１、１－２および３を用いてこれを説明する。すなわち、アース端子２が適宜の絶縁材を用いた絶縁手段３を介してアース端子２Ａ、２Ｂとに分割された構成の差込接続器用端子構造１０を有するインレット１１と、アウトレットアース端子２２がアウトレットアース端子２２Ａ、２２Ｂとに分割された構成の差込接続器用端子構造２１０を有するアウトレット２１１とを備えることにより、４端子法による抵抗測定の可能なケーブル断線チェッカーを構成することができる。 Using the above resistance measurement system, it is possible to configure a cable disconnection checker capable of high accuracy measurement. This will be described again with reference to FIGS. That is, the inlet 11 having the plug connector terminal structure 10 in which the ground terminal 2 is divided into the ground terminals 2A and 2B through the insulating means 3 using an appropriate insulating material, and the outlet ground terminal 22 is the outlet. By providing the outlet 211 having the plug connector terminal structure 210 divided into the ground terminals 22A and 22B, a cable disconnection checker capable of measuring resistance by the four-terminal method can be configured.
　かかるケーブル断線チェッカーは、既発明に係る前掲図９に示したのと同様の使用方法により、ケーブル断線の有無を正確に判定することができる。なお、本発明のケーブル断線チェッカーや抵抗測定システムは、その用途を限定されないが、たとえば、医療機器、診断用機器、検査用機器、監視用機器、または手術用機器のケーブルの断線有無試験用として、好適に用いることができる。 Such a cable disconnection checker can accurately determine the presence or absence of a cable disconnection by the same method of use as shown in FIG. The use of the cable disconnection checker and resistance measurement system of the present invention is not limited, but for example, for a cable disconnection test for medical equipment, diagnostic equipment, inspection equipment, monitoring equipment, or surgical equipment. Can be preferably used.
　以上説明した本発明の差込接続器用端子構造は、これを差込接続器、抵抗測定システム、ケーブル断線チェッカー、または抵抗測定方法に用いることによって、簡単に０．１Ω以下の抵抗測定を行うことができる上、感電防止性能を高めることができる。つまり、本発明によれば、単に精度を高めるだけではなく、ＪＩＳ　Ｔ　０６０１－１（医用電気機器－安全に関する一般的要求事項）で定める医用接地線の抵抗０．１Ω以下を簡単に測定することができ、感電に対する安全を高度に確保することができる。したがって、感電防止などの医療現場の安全をより高めることが可能である。 The terminal structure for a plug connector of the present invention described above can easily measure resistance of 0.1Ω or less by using it for a plug connector, resistance measurement system, cable disconnection checker, or resistance measurement method. In addition, the electric shock prevention performance can be enhanced. In other words, according to the present invention, it is possible not only to improve the accuracy, but also to easily measure the resistance of a medical ground wire of 0.1Ω or less as defined by JIS T 0601-1 (general electrical equipment-general safety requirements). It is possible to secure a high level of safety against electric shock. Therefore, it is possible to further improve the safety of medical sites such as prevention of electric shock.
　本発明の差込接続器用端子構造、抵抗測定システム等によれば、医療機器を初めとする確実な電源供給の必要性の高い機器において、４端子法による高精度の抵抗測定を簡単な操作によって行うことができ、正確な抵抗値測定を容易に行うことができる。しかも、測定精度を高めるだけでなく、医用接地線の抵抗０．１Ω以下を簡単に測定でき、医療現場等における感電に対する安全を確保することができる。たとえば、医療機関、殊に臨床工学・医療機器管理部門等においては、電源ケーブルの正確な断線判定が重要な課題であったが、本発明のケーブル断線チェッカーによれば電源ケーブルの断線の有無を簡単に、かつ性格に判定することができる。本発明は、関連する全産業分野において、産業条理要請が高い発明である。
　 According to the terminal structure for plug connector, resistance measurement system, etc. of the present invention, highly accurate resistance measurement by the four-terminal method can be performed by simple operation in devices such as medical devices where there is a high need for reliable power supply. Therefore, accurate resistance measurement can be easily performed. In addition to improving the measurement accuracy, it is possible to easily measure the resistance of the medical grounding wire of 0.1Ω or less, and to ensure safety against electric shock at medical sites. For example, in medical institutions, particularly in clinical engineering / medical equipment management departments, accurate disconnection determination of power cables has been an important issue. According to the cable disconnection checker of the present invention, the presence or absence of disconnection of the power cable is determined. It can be easily and personally determined. The present invention is an invention that is highly demanded of industrial regulations in all related industrial fields.

Claims (14)

  1. 差込接続器に対応する端子構造であって、そのアース端子が複数に分割されていることを特徴とする、差込接続器用端子構造。 A terminal structure for a plug connector, wherein the ground terminal is divided into a plurality of terminal structures corresponding to the plug connector.
  2. 差込接続器に備えられている端子構造であって、そのアース端子が複数に分割されていることを特徴とする、差込接続器用端子構造。 A terminal structure for a plug connector, which is provided in the plug connector, wherein the ground terminal is divided into a plurality of terminals.
  3. ４端子を備えていることを特徴とする、請求項１または２に記載の差込接続器用端子構造。 The terminal structure for a plug connector according to claim 1, wherein the terminal structure has four terminals.
  4. 機器用インレット（以下、「インレット」という。）に係るものであることを特徴とする、請求項１ないし３のいずれかに記載の差込接続器用端子構造。 The terminal structure for a plug connector according to any one of claims 1 to 3, wherein the terminal structure is for an appliance inlet (hereinafter referred to as "inlet").
  5. 前記アース端子の先端部は絶縁手段により分割されていることを特徴とする、請求項４に記載の差込接続器用端子構造。 The terminal structure for a plug connector according to claim 4, wherein the tip of the ground terminal is divided by an insulating means.
  6. コンセント（以下、「アウトレット」という。）に係るものであることを特徴とする、請求項１ないし３のいずれかに記載の差込接続器用端子構造。 The terminal structure for a plug connector according to any one of claims 1 to 3, wherein the terminal structure is an outlet (hereinafter referred to as "outlet").
  7. 請求項１ないし６のいずれかに記載の差込接続器用端子構造を備えていることを特徴とする、差込接続器。 An insertion connector comprising the terminal structure for an insertion connector according to any one of claims 1 to 6.
  8. アース端子が複数に分割されている差込接続器用端子構造として、インレット形態のものとアウトレット形態のものとを少なくとも一対備えていることを特徴とする、抵抗測定システム。 A resistance measuring system comprising at least a pair of an inlet type and an outlet type as a plug connector terminal structure in which a ground terminal is divided into a plurality of parts.
  9. ４端子測定法による測定が可能であることを特徴とする、請求項８に記載の抵抗測定システム。 The resistance measurement system according to claim 8, wherein measurement by a four-terminal measurement method is possible.
  10. 請求項８または９に記載の抵抗測定システムを用いた、ケーブル断線チェッカー。 A cable disconnection checker using the resistance measurement system according to claim 8.
  11. 医療機器、診断用機器、検査用機器、監視用機器、または手術用機器のケーブルの断線有無試験用であることを特徴とする、請求項１０に記載のケーブル断線チェッカー。 The cable disconnection checker according to claim 10, wherein the cable disconnection checker is used for testing whether a cable of a medical device, a diagnostic device, an inspection device, a monitoring device, or a surgical device is disconnected.
  12. 請求項８または９に記載の抵抗測定システムを用いた、４端子測定法による抵抗測定方法。 A resistance measurement method by a four-terminal measurement method using the resistance measurement system according to claim 8 or 9.
  13. 用いることによって０．１Ω以下の抵抗測定容易であることを特徴とする、請求項１ないし６のいずれかに記載の差込接続器用端子構造。 The terminal structure for a plug connector according to any one of claims 1 to 6, characterized in that a resistance of 0.1Ω or less can be easily measured.
  14. 用いることによって感電防止性能を高められることを特徴とする、または、感電防止性能の確認を確実なものとすることのできる、請求項１ないし６または１３のいずれかに記載の差込接続器用端子構造。
    　     The terminal for a plug connector according to any one of claims 1 to 6, characterized in that the electric shock prevention performance can be enhanced by use, or the confirmation of the electric shock prevention performance can be ensured. Construction.
PCT/JP2015/086321 2015-01-15 2015-12-25 Terminal structure for insertion connector, insertion connector, resistance measurement system, cable disconnection checker, and resistance measurement method WO2016114094A1 (en)

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Cited By (2)

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CN108539547A (en) * 2018-06-08 2018-09-14 嘉兴福气多温控床有限公司 New function socket
CN111381102A (en) * 2020-04-16 2020-07-07 上海沪工汽车电器有限公司 Vehicle-mounted relay terminal method resistance measurement tool

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JPS52113392U (en) * 1976-02-25 1977-08-29
JPS61127576U (en) * 1985-01-30 1986-08-11

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JPS52113392U (en) * 1976-02-25 1977-08-29
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108539547A (en) * 2018-06-08 2018-09-14 嘉兴福气多温控床有限公司 New function socket
CN108539547B (en) * 2018-06-08 2023-12-01 嘉兴福气多温控床有限公司 Functional socket
CN111381102A (en) * 2020-04-16 2020-07-07 上海沪工汽车电器有限公司 Vehicle-mounted relay terminal method resistance measurement tool
CN111381102B (en) * 2020-04-16 2022-05-27 上海沪工汽车电器有限公司 Vehicle-mounted relay terminal method resistance measurement tool

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