EP3422385B1 - Signalrückkopplungsvorrichtung - Google Patents

Signalrückkopplungsvorrichtung Download PDF

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Publication number
EP3422385B1
EP3422385B1 EP17177920.0A EP17177920A EP3422385B1 EP 3422385 B1 EP3422385 B1 EP 3422385B1 EP 17177920 A EP17177920 A EP 17177920A EP 3422385 B1 EP3422385 B1 EP 3422385B1
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EP
European Patent Office
Prior art keywords
sliding plate
signal feedback
feedback apparatus
microswitch
linkage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17177920.0A
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English (en)
French (fr)
Other versions
EP3422385A1 (de
Inventor
Shang-Tsai Wu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dinkle Enterprise Co Ltd
Original Assignee
Dinkle Enterprise Co Ltd
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Filing date
Publication date
Application filed by Dinkle Enterprise Co Ltd filed Critical Dinkle Enterprise Co Ltd
Priority to EP17177920.0A priority Critical patent/EP3422385B1/de
Publication of EP3422385A1 publication Critical patent/EP3422385A1/de
Application granted granted Critical
Publication of EP3422385B1 publication Critical patent/EP3422385B1/de
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/46—Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts
    • H01H71/465—Self-contained, easily replaceable microswitches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/46—Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts
    • H01H71/462—Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts housed in a separate casing, juxtaposed to and having the same general contour as the main casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/02—Details
    • H01H73/06—Housings; Casings; Bases; Mountings
    • H01H73/08—Plug-in housings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/30—Means for indicating condition of fuse structurally associated with the fuse
    • H01H85/303—Movable indicating elements
    • H01H85/306—Movable indicating elements acting on an auxiliary switch or contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/54—Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers

Definitions

  • the present invention is related to a signal feedback apparatus, in particular, to signal feedback apparatus used in a surge protection device (SPD).
  • SPD surge protection device
  • a common surge protection device typically comprises an element of Metal Oxide Varistor (MOV) (i.e., a voltage dependent resistor).
  • MOV Metal Oxide Varistor
  • the surge protection device typically includes a trip mechanism.
  • the trip mechanism is in series connection with the voltage dependent resistor such that when the temperature increases, the voltage dependent resistor is disengaged from the circuit.
  • a currently existing SPD telesignaling device typically includes a microswitch installed therein for each level.
  • these microswitches are connected to the telesignaling terminal block via corresponding circuits such that the mechanism moves through actions on each microswitch.
  • Each level performs action independently, and the device is of complicated structure while requiring greater number of components; consequently, its manufacturing process is complicated in practice.
  • US 2002 0 139 650 A1 relates to a service switching device of the cap type, and has an auxiliary switch which contains a microswitch and is fitted on a rear narrow face.
  • the service switching device has a groove or strip running parallel to the narrow face on each of the broad faces adjacent to the rear narrow face wall.
  • Wall sections are integrally formed on the rear wall of the auxiliary switch housing, project parallel to the broad faces in the direction of the narrow face, and are matched to the grooves or strips, such that the auxiliary switch housing can be mounted on the service switching device by pushing in from the front towards the mounting plane, with the microswitch at right angles to the mounting plane on the narrow face, and with the projections or strips which are integrally formed on the wall sections sliding in the grooves or strips.
  • the present invention provides a signal feedback apparatus capable of utilizing the opening and closing of a microswitch to achieve the telesignaling monitoring on the states of the functional modules.
  • the present invention provides a signal feedback apparatus according to claim 1.
  • the telesignaling linkage member comprises a linkage shaft, the linkage shaft includes a driving oblique surface, and the sliding plate includes a driven oblique surface such that when the functional rotating member presses onto the protruding column, the driven oblique surface of the sliding plate is blocked by the driving oblique surface of the linkage shaft.
  • the driving oblique surface pushes the driven oblique surface such that the sliding plate moves along the sliding slot to press onto the microswitch.
  • the arrangement of the driven oblique surface and driving oblique surface allow the telesignaling linkage member sliding member to slide more stably.
  • a resultant force of all of the sliding plate springs is smaller than the elastic force of one single linkage shaft spring. Accordingly, it is able to ensure that after the tripping of the SPD at any level, the signal feedback apparatus is able to send out signal in order to ensure that each tripping is effectively fed back to the control end; therefore, the safety and reliability of SPD are increased while the number of component required is reduced.
  • the signal feedback apparatus includes a top cover, and the top cover is of a U-shape plugging socket.
  • the inner wall of the U-shape plugging socket includes a locking slot
  • the electrical unit includes an outer casing
  • the outer casing includes a latch such that when the electrical unit is inserted onto the base, the latch is locked onto the locking slot at the inner wall of the U-shape socket. Therefore, the connection between the signal feedback apparatus and the electrical unit is convenient and fast, which is also able to prevent the electrical unit from loose connection or disengagement; consequently, the product safety is increased.
  • the base includes an electrical connector
  • the electrical connector includes a metal clamp and a lead wire.
  • the metal clamp and the lead wire are soldered onto each other.
  • the metal clamp is clamped onto the first electrical connection pin and the second electrical connection pin of the tripping mechanism in order to form a conductive circuit.
  • the base includes a limiting point
  • the linkage shaft includes a protrusion such that when the linkage shaft is installed inside the base, the protrusion is locked onto the limiting portion in order to prevent the linkage shaft from being ejected by the spring after the installation thereof.
  • the signal feedback apparatus of the present invention uses one microswitch only, and it is able to utilize one sliding plate for linking surge protection modules of multiple levels together.
  • Each level is provided with a telesignaling linkage shaft linked to the sliding plate and the surge protection module such that when the surge protection module of any one level is of malfunctioned tripping, the telesignaling device is able to send out signals.
  • the present invention utilizes the mechanical connection structure of independent linkage for each level such that the mechanical connection is table, the component quantity required is small, the manufacturing process in practice is facilitated and the cost is relatively lower.
  • the present invention is able to ensure that each tripping can be effectively fed back to the control end in order to increase the safety and reliability of a SPD.
  • the present invention provides a signal feedback apparatus, which can be a socket base, comprising a base 10, a telesignaling linkage member 20, a sliding plate 30 and a switch module 40.
  • the base 10 is generally of an elongated shape and includes a plurality of hooks 11 formed at a middle region thereof. Each hook 11 is arranged spaced apart from each other, and a sliding slot 12 is formed at a lower edge among each hook 11.
  • One side of the hook 11 is formed of an end surface 13.
  • the middle region of the base 10 includes an installation hole 14 formed thereon.
  • the quantity of the installation hole 14 is two.
  • One side of each one of the installation holes 14 includes a groove formed thereon, and a top edge of the groove is formed of a limiting point 15.
  • the base 10 at the rear end of the sliding slot 12 is formed of a blocking wall 16.
  • the two side regions of the base 10 include a plurality of receiving slots 17 formed thereon respectively.
  • the telesignaling linkage member 20 is received inside the installation hole 14.
  • the quantity of the telesignaling linkage member 20 is two, and each telesignaling linkage member 20 comprises a linkage shaft 21 and a linkage shaft spring 22.
  • the linkage shaft 21 includes a cylindrical member 211 and a protruding column 212 extended upward from the top end of the cylindrical member 211.
  • One side of the cylindrical member 211 is formed of a driving oblique surface 213 and another side thereof is formed of a protrusion 214.
  • the internal of the cylindrical member 211 is formed of an inner hole 215.
  • the linkage shaft spring 22 is received inside the inner hole 215 and the installation hole 14.
  • the protrusion 214 is received inside the aforementioned groove.
  • the limiting point 15 is used for blocking the protrusion 214 in order to ensure that the linkage shaft 21 is not ejected by the linkage shaft spring 22 after the installation thereof.
  • the sliding plate 30 is generally a rectangular plate.
  • the middle region of the sliding plate 30 and the front side thereof include a rectangular hole 31 and a notch 31A formed thereon respectively.
  • the rectangular hole 31 and the notch 31A include a side wall formed of a driven oblique surface 311 respectively.
  • the bottom surface of the sliding plate 30 includes a microswitch triggering piece 32 protruded therefrom.
  • Two sides of the rear of the sliding plate 30 include a securement column 33 formed thereon respectively and provided for a sliding plate spring 34 to be mounted thereon; wherein a resultant force of the two sliding plate springs 34 is smaller than the elastic force of one single linkage shaft spring 22.
  • the two left and right sides of the sliding plate 30 include a positioning retainer 35 formed thereon respectively.
  • the sliding plate 30 is moveably received inside the sliding slot 12 and uses the positioning retainer 35 to abut against the end surface 13.
  • One end of the sliding plate spring 34 abuts against the blocking wall 16 in order to allow the blocking wall 16 to provide a continuous push force to the sliding plate 14.
  • one side the rectangular hole 31 is formed of an anti-misfit hole 36.
  • the switch module 40 s installed at a corner of the base 10.
  • the switch module 40 comprises a microswitch 41, a circuit board 42, a terminal block 43 and a telesignaling connection terminal 44.
  • the microswitch 41 includes a microswitch button 411.
  • the microswitch 41 and the terminal block 43 are soldered onto the circuit board 42, and the microswitch 41 is arranged corresponding to the aforementioned microswitch triggering piece 32 such that the microswitch 41 can be operably opened or closed based on the movement of the sliding block 30.
  • the signal feedback apparatus of the present invention further comprises a plurality of electrical connectors 50.
  • Each electrical connector 50 is installed inside each receiving slot 17 of the base 10.
  • Each electrical connector 50 comprises a lead wire 51 and a metal clamp 52 electrically connected to the lead wire 51.
  • the signal feedback apparatus of the present invention further comprises a top cover 60 for covering onto the base 10 correspondingly.
  • the top cover 60 includes a U-shape socket opening, and a locking slot 61 is formed at corresponding location of the two side plates respectively.
  • the bottom plate is formed of an insertion slot 62 corresponding to the aforementioned metal clamp 52; furthermore, a through hole 63 is formed at a location corresponding to the aforementioned anti-misfit insertion hole 36; moreover, an perforation 64 is formed at a location corresponding to the aforementioned protruding column 212 in order to allow the protruding column 212 to penetrate therethrough.
  • the signal feedback apparatus of the present invention can be provided for uses of an electronic unit 8, such as a SPD, a terminal block or a relay etc.
  • an electronic unit 8 such as a SPD, a terminal block or a relay etc.
  • a two-level SPD is used for illustration, and it comprises an outer casing 81, and a latch 82 formed at side walls of the outer casing 81 respectively.
  • the internal of the outer casing 81 can be installed with a voltage dependent resistor (not shown in the figures), and the bottom end of the outer casing 81 includes a first electrical connection pin 83 and a second electrical connection pin 84 extended therefrom.
  • the central region of the electrical unit 8 includes a functional rotating member 85.
  • the electrical unit 8 is placed into the opening slot of the top cover 60, and each latch 82 is locked onto the corresponding locking slot 61 respectively.
  • the first electrical connection pin 83 and the second electrical connection pin 84 are inserted into the insertion slot 62 in order to be clamped by the metal clamp 52 of each electrical connector 50 and to form a conductive circuit.
  • the functional rotating member 85 performs the downward press action corresponding to the protruding column 212 of the linkage shaft 21.
  • FIG 7 shows a normal working state of the voltage dependent resistor.
  • the linkage shaft spring 22 is under the maximum compression state.
  • the driven oblique surface 311 of the sliding plate 30 is blocked at the right end of the sliding slot 12 by the driven oblique surface 213 of the linkage shaft 21.
  • the microswitch triggering piece 32 on the sliding plate 30 has no effect on the microswitch button 411, and the microswitch button 411 is under a naturally extended state elastically, indicating the voltage dependent resistor is under a normal working state.
  • FIG 8 shows a tripped state of the voltage dependent resistor.
  • the functional rotating member 85 rotates counterclockwise such that the protruding column 212 of the linkage shaft 21 is released, and the functional rotating shaft 85 generates a release effect on the linkage shaft 21.
  • the protruding column 212 of the linkage shaft 21 is provided with an upward movement space, and the linkage shaft 21 bounces upward under the push effect of the linkage shaft spring 22, indicating that the voltage dependent resistor is under a tripped state, i.e. a malfunction state.
  • the driving oblique surface 213 drives the sliding plate 30 to move leftward along the sliding slot 12 via the driven oblique surface 311.
  • the sliding plate 30 When the linkage shaft 21 is completely extended elastically, the sliding plate 30 is of a stroke with the maximum movement and the sliding plate spring 34 is compressed such that the microswitch triggering piece 32 presses downward on the microswitch button 411. Since the resultant force of the two sliding plate spring 34 is smaller than the elastic force of one single linkage shaft spring 22, the use of only one microswitch 41 and one sliding plate 30 is sufficient to allow the signal feedback apparatus of the present invention to send out a failure warning signal to the control system after the SPD of any level is tripped in order to ensure that every trip is effectively fed back to the control end. Therefore, it is able to alert the maintenance personnel to readily replace the failed SPD such that the safety and reliability of SPD is increased while the apparatus is of small quantity of components, reduced size, facilitated for manufacturing in practice and relatively lower cost.
  • the signal feedback apparatus of the present invention is able to achieve the expected purpose of use and to overcome the drawbacks of prior arts.
  • the present invention is of novelty and inventive step to comply with the patentability of invention patents.

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  • Push-Button Switches (AREA)

Claims (12)

  1. Signalrückkopplungsvorrichtung, umfassend:
    eine Basis (10);
    ein Telesignalisierungs-Verbindungselement (20), das beweglich auf der Basis (10) installiert ist;
    eine Gleitplatte (30), die entsprechend dem Telesignalisierungs-Verbindungselement (20) installiert und konfiguriert ist, um eine Bewegung zusammen mit dem Telesignalisierungs- Verbindungselement (20) zu erzeugen; und
    ein Schaltmodul (40) mit einem Mikroschalter (41); wobei der Mikroschalter (41) entsprechend der Gleitplatte (30) angeordnet und konfiguriert ist, um den Mikroschalter (41) basierend auf der Bewegung der Gleitplatte (30) funktionsfähig zu öffnen oder zu schließen,
    dadurch gekennzeichnet, dass die Gleitplatte (30) ein rechteckiges Loch (31) und eine daraan ausgebildete Kerbe (31A) aufweist, wobei das Telesignalisierungs-Verbindungselement (20) zwei Verbindungswellen (21) umfasst und die Verbindungswellen (21) durch das rechteckige Loch (31) bzw. die Kerbe (31A) hindurchdringen,
    wobei das rechteckige Loch (31) und die Kerbe (31A) eine angetriebene schräge Fläche (311) aufweisen, die jeweils eine Seitenwand davon bildet, wobei die Verbindungswellen (21) jeweils eine daran ausgebildete antreibende schräge Fläche (213) aufweist, und jede der antreibenden schrägen Flächen (213) in jede der entsprechenden angetrieben schrägen Flächen (311) eingreift.
  2. Signalrückkopplungsvorrichtung nach Anspruch 1, wobei die Basis (10) eine Vielzahl von darauf ausgebildeten Haken (11) aufweist; wobei ein Gleitschlitz (12) an einer Unterkante jedes der Vielzahl von Haken (11) ausgebildet ist; wobei die Gleitplatte (30) konfiguriert ist, um innerhalb des Gleitschlitzes (12) beweglich aufgenommen zu werden.
  3. Signalrückkopplungsvorrichtung nach Anspruch 2, wobei eine Seite des Hakens (11) aus einer Endfläche (13), und eine Seite der Gleitplatte (30) aus einer Positionierhalterung (35) gebildet ist; wobei die Positionierhalterung (35) an der Endfläche (13) anliegt.
  4. Signalrückkopplungsvorrichtung nach einem der Ansprüche 1 bis 3, wobei die Basis (10) einen Begrenzungspunkt (15) aufweist und die Verbindungswelle (21) einen Vorsprung (214) aufweist, so dass, wenn die Verbindungswelle (21) innerhalb der Basis (10) angeordnet ist, der Vorsprung (214) an dem Begrenzungspunkt (15) einrastet.
  5. Signalrückkopplungsvorrichtung nach einem der Ansprüche 1 bis 4, wobei die Basis (10) ein Montageloch (14) aufweist und die Verbindungswelle (21) ein zylindrisches Element (211) und eine vorstehende Säule (212) aufweist, die sich von dem zylindrischen Element (211) erstreckt; wobei das zylindrische Element (211) innerhalb des Montagelochs (14) aufgenommen wird.
  6. Signalrückkopplungsvorrichtung nach Anspruch 5, wobei das Telesignalisierungs- Verbindungselement (20) ferner eine Verbindungswellenfeder (22) umfasst, wobei das zylindrische Element (211) an seinem Inneren aus einem Innenloch (215) gebildet ist; wobei die Verbindungswellenfeder (22) innerhalb des Innenlochs (215) und des Montagelochs (14) aufgenommen ist.
  7. Signalrückkopplungsvorrichtung nach Anspruch 6, wobei die Gleitplatte (30) jeweils zwei darauf ausgebildete Befestigungssäulen (33) aufweist und jede der Befestigungssäulen für eine darauf zu montierende Gleitplattenfeder (34) vorgesehen ist; wobei eine resultierende Kraft der Gleitplattenfedern (34) kleiner ist als eine Elastizität einer einzelnen Einheit der Verbindungswellenfeder (22).
  8. Signalrückkopplungsvorrichtung nach Anspruch 7, wobei die Basis (10) aus einer Sperrwand (16) gebildet ist und jeweils ein Ende der Gleitplattenfeder (34) an der Sperrwand (16) anliegt.
  9. Signalrückkopplungsvorrichtung nach Anspruch 1, wobei die Gleitplatte (30) ein darauf ausgebildetes Misspassungs-Loch (36) aufweist und das Misspassungs-Loch (36) an einer Seite des Rechtecklochs (31) angeordnet ist.
  10. Signalrückkopplungsvorrichtung nach einem der Ansprüche 1 bis 9, wobei der Mikroschalter (41) einen Mikroschaltertaster (411) und die Gleitplatte (30) ein Mikroschalter-Auslöserteil (32) aufweist, so dass das Mikroschalter-Auslöserteil (32) zum Drücken oder Loslassen des Mikroschaltertasters (411) verwendet wird.
  11. Signalrückkopplungsvorrichtung nach einem der Ansprüche 1 bis 10, ferner umfassend einen elektrischen Verbinder (50); wobei der elektrische Verbinder (50) einen Zuleitungsdraht (51) und eine Metallklemme (52) aufweist; wobei die Basis (10) einen darauf ausgebildeten Aufnahmeschlitz (17) aufweist; wobei der elektrische Verbinder (50) in den entsprechenden Aufnahmeschlitz (17) zur Befestigung daran eingesetzt wird, und die Metallklemme (52) auf den Zuleitungsdraht (51) gelötet wird.
  12. Signalrückkopplungsvorrichtung nach einem der Ansprüche 1 bis 11, ferner umfassend eine obere Abdeckung (60); wobei die obere Abdeckung (60) eine U-förmige Buchsenöffnung aufweist, und die innere Seitenwand der U-förmigen Buchsenöffnung einen Verriegelungsschlitz (61) aufweist.
EP17177920.0A 2017-06-26 2017-06-26 Signalrückkopplungsvorrichtung Active EP3422385B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17177920.0A EP3422385B1 (de) 2017-06-26 2017-06-26 Signalrückkopplungsvorrichtung

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Application Number Priority Date Filing Date Title
EP17177920.0A EP3422385B1 (de) 2017-06-26 2017-06-26 Signalrückkopplungsvorrichtung

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EP3422385B1 true EP3422385B1 (de) 2019-06-12

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109637905A (zh) * 2019-02-28 2019-04-16 浙江天正电气股份有限公司 一种塑壳断路器的分合闸检测装置
CN110429013B (zh) * 2019-08-14 2024-06-21 西安赛诺克新能源科技有限公司 一种电池包维修开关

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
JPS61184258U (de) * 1985-05-08 1986-11-17
JPH01204328A (ja) * 1988-02-10 1989-08-16 Hitachi Ltd 回路遮断器
US4926148A (en) * 1988-10-03 1990-05-15 Heinemann Electric Company Auxiliary switch retainer for circuit breakers and actuator member
JPH0443841U (de) * 1990-08-14 1992-04-14
DE19846219B4 (de) * 1998-10-07 2004-12-23 Aeg Niederspannungstechnik Gmbh & Co Kg Stromschalter
DE10116001A1 (de) * 2001-03-30 2002-10-02 Abb Patent Gmbh Installationsschaltgerät in Sockelbauweise

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