JP2015056587A - Stator unit - Google Patents

Stator unit Download PDF

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JP2015056587A
JP2015056587A JP2013190457A JP2013190457A JP2015056587A JP 2015056587 A JP2015056587 A JP 2015056587A JP 2013190457 A JP2013190457 A JP 2013190457A JP 2013190457 A JP2013190457 A JP 2013190457A JP 2015056587 A JP2015056587 A JP 2015056587A
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resin
cup
coil
stator unit
injected
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JP6385037B2 (en
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吉田　竜也
Tatsuya Yoshida
竜也 吉田
原田　貴雄
Takao Harada
貴雄 原田
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Fujikoki Corp
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Fujikoki Corp
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/046—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor with electric means, e.g. electric switches, to control the motor or to control a clutch between the valve and the motor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0675—Electromagnet aspects, e.g. electric supply therefor

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetically Actuated Valves (AREA)
  • Electromagnets (AREA)
  • Electrically Driven Valve-Operating Means (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a structure improving a degree of freedom of a connecting member connected to a lead wire, in a stator unit in which a stator coil is provided in a resin cup, and a resin is injected to the resin cup and molds the resin cup.SOLUTION: A stator unit 1 has a resin cup 50 which contains a coil 5 and fits a first cup member 52 and a second cup member 54. A mold resin Pis injected to the resin cup 50 from a resin injection port (opening) 55, and the periphery of the coil 5 is molded with the resin. A connecting member 42 connected to a lead wire 40 is covered with a cover member 100 fitted into the resin cup 50, and a mold resin Pis injected to the cover member 100 to thereby complete a product.

Description

本発明は、冷凍サイクルにおいて冷媒の流量を制御する電動弁や電磁弁に装備されるステータユニットに関する。   The present invention relates to a stator unit equipped in an electric valve or electromagnetic valve that controls the flow rate of refrigerant in a refrigeration cycle.

冷凍サイクルに使用される電動弁や電磁弁は、キャンと称する円筒形状の圧力容器内にロータやプランジャを配設し、キャンの外側に装着されるステータユニットは、コイルを樹脂でモールドして防水、防湿性を確保する構造を備える。   Motorized valves and solenoid valves used in the refrigeration cycle have a rotor and plunger in a cylindrical pressure vessel called a can, and the stator unit mounted on the outside of the can is water-resistant by molding a coil with resin. It has a structure that ensures moisture resistance.

樹脂モールドコイルを製造する手段としては、成形用金型内にコイルを挿入して射出成形によりステータユニットを形成するもの（例えば、特許文献１参照）、樹脂製のカップ内にコイルを設置してカップ内に樹脂を注入してステータユニットを形成するもの（例えば、特許文献２参照）等がある。   As a means for manufacturing the resin mold coil, a stator unit is formed by injection molding by inserting the coil into a molding die (see, for example, Patent Document 1), and the coil is installed in a resin cup. There is a type in which a stator unit is formed by injecting resin into a cup (for example, see Patent Document 2).

特開平０８−６５９９４号公報Japanese Patent Application Laid-Open No. 08-65994 特開２００６−１４４２７号公報JP 2006-14427 A

樹脂製カップ内にコイルを設置して樹脂モールドする構造のステータユニットにあっては、樹脂製カップの側面にモールド樹脂の注入用の開口部が設けられる。この開口部はコイルに給電するためのリード線が通過する開口部を兼ねる。
リード線が接続されるコネクタは、相手の機器に対応するために種々の形式のものを用意する必要がある。
従来は、このコネクタの形式に合わせて樹脂モールドコイルを行う必要があった。 In a stator unit having a structure in which a coil is installed in a resin cup and resin molded, an opening for injecting mold resin is provided on the side surface of the resin cup. This opening also serves as an opening through which a lead wire for supplying power to the coil passes.
It is necessary to prepare various types of connectors to which the lead wires are connected in order to correspond to the counterpart device.
Conventionally, it has been necessary to perform resin-molded coils in accordance with the connector type.

そこで本発明の目的は、上述した問題を解決するステータユニットを提供することである。   Therefore, an object of the present invention is to provide a stator unit that solves the above-described problems.

上記目的を達成するために本発明のステータユニットは、電動弁や電磁弁のステータとして機能するコイルと、コイルの一方の端部とコイルの外周部を覆う第１のカップ部材と、コイルの他方の端部とコイルの外周部を覆う第２のカップ部材と、コイルを収容するとともに第１のカップ部材が第２のカップ部材に嵌合されることにより、モールド樹脂が注入されるコイルの軸線に直交する方向に突出する開口部を形成した樹脂製カップと、樹脂製カップの開口部に係合されるとともに開口部から引き出されたコイルに接続するリード線を連結する連結部材を収容するカバー部材とを備え、樹脂製カップ内にモールド樹脂（Ｐ１）を注入し、カバー部材内にはモールド樹脂（Ｐ２）を注入して形成されることを特徴とする。 In order to achieve the above object, a stator unit of the present invention includes a coil that functions as a stator for an electric valve or a solenoid valve, a first cup member that covers one end of the coil and the outer periphery of the coil, and the other of the coil. Of the coil into which the mold resin is injected by housing the coil and fitting the first cup member to the second cup member. A cover for housing a resin cup formed with an opening projecting in a direction perpendicular to the resin, and a connecting member that engages with the opening of the resin cup and connects the lead wire connected to the coil drawn from the opening And is formed by injecting mold resin (P 1 ) into a resin cup and injecting mold resin (P 2 ) into a cover member.

そして、樹脂製カップに注入されるモールド樹脂（Ｐ１）とカバー部材に注入されるモールド樹脂（Ｐ２）は異なる樹脂材料であることを特徴とする。 The mold resin (P 1 ) injected into the resin cup and the mold resin (P 2 ) injected into the cover member are different resin materials.

本発明のステータユニットは以上のように、樹脂製カップから引き出されるリード線の先端を覆うカバー部材を備え、リード線にコネクタを結合した後にカバー内に樹脂を注入してモールドするので、種々の形式のコネクタに対応することができ、在庫管理も容易となるものである。   As described above, the stator unit of the present invention includes a cover member that covers the tip of the lead wire drawn out from the resin cup, and after the connector is coupled to the lead wire, the resin is injected into the cover and molded. It is possible to correspond to the type of connector, and inventory management becomes easy.

本発明のステータユニットの実施形態を示し、ステータユニット全体の中央縦断面図である。1 is a central longitudinal sectional view of an entire stator unit, showing an embodiment of a stator unit of the present invention. 図１に示すステータユニットのステータユニット本体を示し、樹脂注入口を上向きにした場合の中央縦断面図である。It is a center longitudinal cross-sectional view when the stator unit main body of the stator unit shown in FIG. 1 is shown and the resin injection port faces upward. 図１に示すステータユニットのカバー部材を示し、（ａ）は正面図、（ｂ）は中央縦断面図である。The cover member of the stator unit shown in FIG. 1 is shown, (a) is a front view, (b) is a central longitudinal sectional view.

本発明のステータユニットの実施形態は図１に示すように、ステータユニット１がコイル５を収容する樹脂製カップ５０と、樹脂製カップ５０のモールド樹脂Ｐ１注入用とリード線４０が通過する通過口を兼ねる樹脂注入口（開口部）５５に嵌合されるカバー部材１００を有する。 In the embodiment of the stator unit of the present invention, as shown in FIG. 1, the stator unit 1 accommodates the resin cup 50 in which the coil 5 is accommodated, and the resin cup 50 is injected for molding resin P 1 and the lead wire 40 passes therethrough. The cover member 100 is fitted into a resin injection port (opening) 55 that also serves as a mouth.

樹脂製カップ５０は、第１のカップ部材５２と第２のカップ部材５４を嵌合して構成され、内部にコイル５が設置される。   The resin cup 50 is configured by fitting a first cup member 52 and a second cup member 54, and the coil 5 is installed therein.

コイル５は、外磁極歯１２を有する外ヨーク１０と、内磁極歯２２を有する内ヨーク２０を組み合わせた１対の組立体で構成され、コイル５が樹脂製カップ５０の内部に設置された状態で樹脂製カップ５０に形成された樹脂注入口（開口部）５５から溶融したモールド樹脂Ｐ１を注入することによりコイル５がモールドされる。
第２のカップ部材５４の外側に突出する複数の脚部５６は回り止め部材７０を溶着するのに利用される。 The coil 5 includes a pair of assemblies in which the outer yoke 10 having the outer magnetic pole teeth 12 and the inner yoke 20 having the inner magnetic pole teeth 22 are combined, and the coil 5 is installed inside the resin cup 50. Then, the coil 5 is molded by injecting the molten mold resin P 1 from the resin injection port (opening) 55 formed in the resin cup 50.
The plurality of leg portions 56 protruding outward from the second cup member 54 are used to weld the rotation preventing member 70.

コイル５は、外ヨーク１０と内ヨーク２０の間に配設されるボビン３０を有し、ボビン３０には巻線３２が巻かれる。巻線３２に給電するリード線４０は、樹脂注入口（開口部）５５を通って外部に引き出される。   The coil 5 has a bobbin 30 disposed between the outer yoke 10 and the inner yoke 20, and a winding 32 is wound around the bobbin 30. The lead wire 40 that supplies power to the winding 32 is drawn out through a resin injection port (opening) 55.

本発明のステータユニット１にあっては、まず樹脂注入口（開口部）５５から溶融したモールド樹脂Ｐ１を注入してコイル５全体を樹脂モールドする。この際にリード線４０の先端はモールド樹脂Ｐ１から突出した状態にされる。 In the stator unit 1 of the present invention, first, the molten mold resin P 1 is injected from the resin injection port (opening) 55 to resin mold the entire coil 5. Tip of the lead wire 40 when this is in the state of protruding from the mold resin P 1.

次に、リード線４０に要求された形式の連結部材４２を連結し、ケーブル４３を介して制御基板４４を結合する。この作業の後に、連結部材４２をカバー部材１００で覆い、カバー部材１００で覆われた内部にカバー部材１００に設けられた樹脂注入口（開口部）１３０からモールド樹脂Ｐ２を注入して連結部材４２を樹脂モールドしてステータユニットを完成する。
モールド樹脂Ｐ１及びモールド樹脂Ｐ２の樹脂材料は、熱硬化性樹脂を用いるのが好ましい。熱硬化性樹脂としては特に限定されるものではなく、例えばエポキシ樹脂、ポリウレタン樹脂、シリコン樹脂、メラミン樹脂、尿素樹脂、フェノール樹脂、アルキド樹脂、熱硬化性ポリイミドなどが使用可能である。 Next, a connecting member 42 of the required type is connected to the lead wire 40, and the control board 44 is connected via the cable 43. After this operation, the connecting member 42 is covered with the cover member 100, and the molding resin P 2 is injected into the inside covered with the cover member 100 from the resin injection port (opening) 130 provided in the cover member 100. 42 is resin-molded to complete the stator unit.
Resin material of the mold resin P 1 and the mold resin P 2, it is preferable to use a thermosetting resin. The thermosetting resin is not particularly limited, and for example, epoxy resin, polyurethane resin, silicon resin, melamine resin, urea resin, phenol resin, alkyd resin, thermosetting polyimide, and the like can be used.

樹脂製カップ５０内にコイル５を配設し、樹脂注入口（開口部）５５からモールド樹脂Ｐ１を注入して形成されるステータユニットの本体の構造は図２に示すように、第１のカップ部材５２と第２のカップ部材５４を嵌合して内部にコイル５を設置した樹脂製カップ５０を、樹脂注入口（開口部）５５が重力方向上向きになるように図示しない治具に設置し、樹脂注入口（開口部）５５からモールド樹脂Ｐ１を注入して、ステータユニットの本体を形成する。なお図１と同様の部材には同一の符号を付して説明を省略する。 The coil 5 is disposed in a resin cup 50, as the structure of the body of the stator unit formed from a resin injection port (opening) 55 by injecting a molding resin P 1 is shown in FIG. 2, the first The resin cup 50 in which the cup member 52 and the second cup member 54 are fitted and the coil 5 is installed therein is installed in a jig (not shown) so that the resin inlet (opening) 55 is directed upward in the gravity direction. and a resin injection port is injected from the (opening) 55 of the mold resin P 1, to form the body of the stator unit. Note that the same members as those in FIG.

カバー部材１００は、図３に示すように取付部１１０によって樹脂製カップ５０の樹脂注入口（開口部）５５の外側に嵌合される。
カバー部材１００は、樹脂注入口（開口部）１３０を有し、制御基板４４に接続されたケーブル４３を通過させた後にモールド樹脂Ｐ２を樹脂注入口（開口部）１３０から注入してステータユニットを完成させる。
樹脂製カップ５０に注入されるモールド樹脂Ｐ１とカバー部材１００に注入されるモールド樹脂Ｐ２は同じ樹脂材料としてもよいし、異なる樹脂材料としてもよい。 As shown in FIG. 3, the cover member 100 is fitted to the outside of the resin inlet (opening) 55 of the resin cup 50 by the mounting portion 110.
The cover member 100 has a resin injection port (opening) 130, injected into stator unit mold resin P 2 after passing through the cable 43 connected to the control board 44 through the resin injection port (opening) 130 To complete.
The mold resin P 1 injected into the resin cup 50 and the mold resin P 2 injected into the cover member 100 may be the same resin material or different resin materials.

本発明のステータユニットは以上の構成を備えることにより、異なる仕様の制御基板や連結部材に柔軟に対応することができる。   The stator unit of the present invention can flexibly cope with control boards and connecting members having different specifications by having the above-described configuration.

１ ステータユニット
５ コイル
１０ 外ヨーク
１２ 外磁極歯
２０ 内ヨーク
２２ 内磁極歯
３０ ボビン
３２ 巻線
４０ リード線
４２ 連結部材
４３ ケーブル
４４ 制御基板
５０ 樹脂製カップ
５２ 第１のカップ部材
５４ 第２のカップ部材
５５ 樹脂注入口（開口部）
５６ 脚部
７０ 回り止め部材
１００ カバー部材
１１０ 取付部
１２０ フランジ部
１３０ 樹脂注入口（開口部）
Ｐ１，Ｐ２ モールド樹脂 DESCRIPTION OF SYMBOLS 1 Stator unit 5 Coil 10 Outer yoke 12 Outer magnetic pole tooth 20 Inner yoke 22 Inner magnetic pole tooth 30 Bobbin 32 Winding 40 Lead wire 42 Connecting member 43 Cable 44 Control board 50 Resin cup 52 First cup member 54 Second cup Member 55 Resin inlet (opening)
56 Leg part 70 Anti-rotation member 100 Cover member 110 Attachment part 120 Flange part 130 Resin injection port (opening part)
P 1 and P 2 mold resin

Claims (2)

電動弁や電磁弁のステータとして機能するコイルと、コイルの一方の端部とコイルの外周部を覆う第１のカップ部材と、コイルの他方の端部とコイルの外周部を覆う第２のカップ部材と、コイルを収容するとともに第１のカップ部材が第２のカップ部材に嵌合されることにより、モールド樹脂が注入されるコイルの軸線に直交する方向に突出する開口部を形成した樹脂製カップと、
樹脂製カップの開口部に係合されるとともに開口部から引き出されたコイルに接続するリード線を連結する連結部材を収容するカバー部材とを備え、
樹脂製カップ内にモールド樹脂（Ｐ１）を注入し、カバー部材内にはモールド樹脂（Ｐ２）を注入して形成されることを特徴とするステータユニット。 A coil that functions as a stator of an electric valve or a solenoid valve, a first cup member that covers one end of the coil and the outer periphery of the coil, and a second cup that covers the other end of the coil and the outer periphery of the coil Resin made of a member and an opening that protrudes in a direction perpendicular to the axis of the coil into which the mold resin is injected by housing the coil and fitting the first cup member to the second cup member A cup,
A cover member that accommodates a connecting member that engages with the opening of the resin cup and connects the lead wire connected to the coil drawn out of the opening;
A stator unit formed by injecting mold resin (P 1 ) into a resin cup and injecting mold resin (P 2 ) into a cover member. 樹脂製カップに注入されるモールド樹脂（Ｐ１）とカバー部材に注入されるモールド樹脂（Ｐ２）は異なる樹脂材料であることを特徴とする請求項１記載のステータユニット。 The stator unit according to claim 1, wherein the mold resin (P 1 ) injected into the resin cup and the mold resin (P 2 ) injected into the cover member are different resin materials.
JP2013190457A 2013-09-13 2013-09-13 Stator unit Active JP6385037B2 (en)

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CN201410245311.4A CN104455637B (en) 2013-09-13 2014-06-04 Stator unit

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WO2022264615A1 (en) * 2021-06-14 2022-12-22 株式会社不二工機 Stator unit, electric valve, and manufacturing method for stator unit

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