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WO2010041890A2 - Module récepteur de télécommande et structure de montage associée - Google Patents

Module récepteur de télécommande et structure de montage associée Download PDF

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Publication number
WO2010041890A2
WO2010041890A2 PCT/KR2009/005771 KR2009005771W WO2010041890A2 WO 2010041890 A2 WO2010041890 A2 WO 2010041890A2 KR 2009005771 W KR2009005771 W KR 2009005771W WO 2010041890 A2 WO2010041890 A2 WO 2010041890A2
Authority
WO
WIPO (PCT)
Prior art keywords
terminal
shield case
lead
remote control
bent
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.)
Ceased
Application number
PCT/KR2009/005771
Other languages
English (en)
Korean (ko)
Other versions
WO2010041890A3 (fr
Inventor
이기영
이상훈
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.)
KODENSHI KOREA CORP
Original Assignee
KODENSHI KOREA CORP
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KODENSHI KOREA CORP filed Critical KODENSHI KOREA CORP
Publication of WO2010041890A2 publication Critical patent/WO2010041890A2/fr
Publication of WO2010041890A3 publication Critical patent/WO2010041890A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • H04Q9/04—Arrangements for synchronous operation
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom

Definitions

  • the present invention relates to a remote control receiving module and a mounting structure thereof, and more particularly, a ground terminal is protruded to the outside of the package without contacting the shield case of the remote control receiving module for surface mounting from the inside of the package, so that the user can connect the ground terminal to the printed circuit. It relates to a remote control receiving module that can be grounded by connecting from the substrate and its mounting structure.
  • an electronic device using a remote controller operates an electronic device by applying an infrared signal transmitted from a remote controller transmitter to a remote controller receiving module built in the set main body.
  • the remote control receiving module has been used to form a metal case made of a conductive material in order to prevent the bulb, fluorescent lamp from malfunctioning by the device that emits infrared rays.
  • a metal case made of a conductive material
  • an external electromagnetic wave is blocked by covering a conductive metal case for shielding electromagnetic waves (EMI).
  • EMI electromagnetic waves
  • the shield case In the case of a general remote control receiving module, the shield case is mounted on the outside of the package and assembled, and the ground portion is electrically connected by soldering.
  • the shield case is externally mounted in this manner, there are problems such as corrosion of the shield case and external solder, deterioration of reliability due to contamination, and detachment of the shield case after the set installation.
  • FIGS. 1 and 2 One example of a conventional remote control receiving module for overcoming the above problems is illustrated in FIGS. 1 and 2, wherein the lead frame 11 and the shield case 10 are separately separated to seal the shield case 10. After coupling to the 11, the whole is molded and a light receiving lens portion is formed on the front of the light receiving element to have a shield case built-in structure.
  • the shield case 10 has a plurality of protrusions 16 formed at the top, left, and right sides of the front plate so that the ends thereof are bent to be inserted into the lead frame portion 11, and the solder fixing portion 17 is formed on the upper protrusions. It is provided so that the lead frame portion 11 is stably fixed when the soldering (18).
  • such a built-in shield case structure uses a method of bonding the shield case to the lead frame by soldering, which causes a lot of man-hours due to the assembly of the shield case, thereby lowering the production efficiency.
  • the present invention has been made in order to solve the above problems, by reducing the production maneuver and production efficiency by a method of connecting the grounding terminal to the outside of the package to the printed circuit board without contacting the shield case in the package
  • the purpose is to provide a remote control receiving module that can improve the.
  • Another object of the present invention is to provide a remote control receiving module that facilitates grounding of a shield case by connecting a ground terminal to a printed circuit board by applying a structure in which the ground terminals of the shield case are arranged as many as the lead terminals of the lead frame. .
  • a light receiving element for receiving and processing a signal of a remote controller, a signal processing element for processing a received signal, and a lead frame having at least one lead terminal protruding from the light receiving element,
  • a shield case in which a light receiving window is formed in correspondence with a position of the bend, at least one side is bent to form a bent portion, and at least one ground terminal protrudes outward so as to be connected to the lead terminal of the lead frame from the outside; And a molded part wrapped around the shield case and molded so that the lead terminal of the lead frame and the ground terminal of the shield case are exposed to the outside, and the ground terminal of the shield case protruding outside the mold part is electrically connected to the lead terminal and the outside of the mold.
  • a remote control receiving module characterized in that the connection.
  • the lead terminal and the ground terminal are mounted on the printed circuit board, and are electrically connected to each other through a wire formed on the surface of the printed circuit board.
  • the lead frame is connected to the ground terminal of the shield case, and electrically connects the lead frame and the shield case to supply power to the ground terminal and the light receiving element or the signal processing element in which the shield case exhibits a disturbing light blocking effect. It may be made of a power supply terminal to supply.
  • the mold part may be manufactured in various forms in accordance with the needs of the user.
  • the mold portion may be in the form of a rectangular parallelepiped having a hemispherical light receiving window formed on the upper surface.
  • At least one ground terminal of the shield case may be exposed to the outside of the mold portion, and preferably two or more, and most preferably, three ground terminals may be formed in the same number as the lead terminals of the lead frame.
  • the shield case is formed in the form of a thin metal plate in a rectangular form protruding a plurality of ground terminals, the light receiving window is formed so that light is incident on the light receiving element, between the ground terminals It is bent to form a bent portion.
  • the shield case is positioned above the lead frame to cover the disturbance light from the top, and the bent portion covers the disturbance light from the side surface. Disturbance light from the bottom is covered by the leadframe.
  • the lead terminal and the ground terminal may be bent downward to be in contact with the side of the mold and then bent inward to be in contact with the bottom of the mold.
  • the lead terminal and the ground terminal may be spaced apart from the side of the mold, bent downward to be parallel to the mold side, and then bent outward again.
  • the lead terminal and the ground terminal is bent to have the same angle as the bent portion, the mold portion is molded so that only the lower end of the lead terminal and the ground terminal exposed to the outside of the mold portion, The lower end portion may be bent outward to contact the lower surface of the mold portion.
  • the remote control receiving module in a structure in which the remote control receiving module is mounted on a printed circuit board, includes a light receiving element for receiving and processing a signal of a remote control, and a signal processing element for processing a received signal. And a lead frame having at least one lead terminal protruding from each other, forming a light receiving window corresponding to the position of the light receiving element, bending at least one side to form a bent portion, and being connected to the lead terminal of the lead frame from the outside.
  • a shield case in which at least one ground terminal protrudes to the outside, a molded part surrounding the lead frame and the shield case and molded so that the lead terminal of the lead frame and the ground terminal of the shield case are exposed to the outside;
  • the lead terminal and ground terminal of the connector are connected to each other through the pattern part printed on the printed circuit board surface. It provides the mounting structure of mocon receiving module.
  • a lead terminal of a lead frame having a light receiving element mounted on a surface thereof and a ground terminal of a shield case in which a light receiving window is formed corresponding to the position of the light receiving element are provided. Is molded to be exposed to the outside, and provides a method for blocking external light, characterized in that for electrically connecting the lead terminal and the ground terminal outside the mold.
  • the present invention as described above has the effect of reducing the number of production and improve the production efficiency by the method of connecting the printed circuit board by protruding the ground terminal to the outside of the package without contacting the shield case in the package.
  • the ground terminals of the shield case are arranged as many as the lead terminals of the lead frame, the ground terminals are connected to the printed circuit board, so that the shield case can be easily grounded.
  • 1 is an internal configuration diagram of a conventional remote control receiving module
  • FIG. 2 is a right side cross-sectional view of a conventional remote control receiving module
  • Figure 3 shows an embodiment of the shield case according to the invention, (a) is a plan view, (b) is a right side view, (c) is a left side view, (d) is a front view,
  • Figure 4 is a plan view showing the assembly of the lead frame and the chip of the present invention.
  • 5 to 7 is a plan view showing a manufacturing process of the remote control receiving module of the present invention.
  • FIG. 10 is a plan view showing a printed circuit board on which the remote control receiving module of the present invention is mounted;
  • FIG. 11 is a front view of another embodiment of a remote control receiving module of the present invention.
  • FIG. 12 is a view showing another embodiment of the shield case according to the present invention, (a) is a plan view, (b) is a right side view, (c) is a left side view, (d) is a front view,
  • FIG. 13 is a front view illustrating a remote control receiving module to which the shield case of FIG. 11 is applied.
  • Figure 3 shows an embodiment of the shield case according to the present invention
  • (a) is a plan view
  • (b) is a right side view
  • (c) is a left side view
  • (d) is a front view
  • Figure 4 is the present invention 5 is a plan view illustrating a manufacturing process of a remote control receiving module of the present invention.
  • the light receiving element 22 is mounted as a means for receiving an optical signal and converting it into an electrical signal on the upper side of the upper surface of the lead frame 21, and receiving the received signal.
  • a signal processing element 23 for converting into a signal for performing each function is mounted, and a plurality of lead terminals 24, 25, 26 are formed on one side of the lead frame 21.
  • the lead frame 21 has a structure in which a chip such as the light receiving element 22 is placed thereon by manufacturing in a down set method.
  • the lead terminals 24, 25 and 26 are divided into terminals 24 and 25 for signal input and output and terminals 26 for ground, and are composed of three terminals.
  • the shield case 30 of the present invention forms a light receiving window 36 corresponding to the position of the light receiving element 22 so as to receive a signal transmitted from the remote control on the front panel, and bends the left and right sides. And a plurality of ground terminals 33, 34, 35, which are connected to the lead terminals 24, 25, 26 of the lead frame 21 and externally, protrude outwards. It is a structure formed.
  • the shield case 30 configured as described above is disposed on an upper surface of the lead frame 21.
  • the shield case 30 is molded to surround the whole using an epoxy resin.
  • the lens 50 is formed by convexly protruding the hemisphere in a portion facing the light receiving surface of the photodiode so as to increase the concentration of infrared rays.
  • the mold part 40 is formed of an epoxy resin so that the lead terminals 24, 25, 26 of the lead frame and the ground terminals 33, 34, 35 of the shield case are exposed to the outside.
  • the shield case of the present invention is not externally mounted, but after the shield case 30 is disposed on the upper surface of the lead frame 21, the shield case is molded and the lens 50 is formed on the front side of the light receiving element.
  • the ground terminals 33, 34 and 35 of the shield case may be formed in the same number as the lead terminals of the lead frame. In other words, by applying a structure in which the ground terminals 33, 34, 35 of the shield case are arranged as many as the number of lead terminals of the lead frame, the ground terminals are connected to the printed circuit board to facilitate the grounding of the shield case. .
  • the lead terminals 24, 25, 26 and ground terminals 33, 34, 35 are bent downward to contact the mold portion 40 side and then The mold 40 has a shape that is bent inwardly again to contact the bottom surface.
  • the lead terminals 24, 25, 26 and the ground terminals 33, 34, 35 protrude out of the mold part 40. After being bent downward in the form has a shape that is bent inward again to contact the bottom of the mold portion 40.
  • the shield case 30 of the remote control receiving module formed as described above is grounded through a structure in which the ground terminal protrudes out of the package and connects the printed circuit board to the outside of the package.
  • 10 is a plan view illustrating a printed circuit board on which the remote control receiving module of the present invention is mounted, and among the lead terminals of the lead frame 21, a terminal 26 for grounding and a ground terminal 33 of the shield case 30 are provided. 34) and 35 are soldered to the pattern portions 53, 54, 55 and 56 printed on the surface of the printed circuit board 60 so as to be grounded.
  • the remote control receiving module of the present invention is a pattern unit 53, 54, 55 so as to connect the lead terminal and the ground terminal of the remote control receiving module on the surface of the printed circuit board 60 when the surface mounted on the printed circuit board 56 is printed to connect the lead terminals 26 and the ground terminals 33, 34, 35 to the pattern portions 53, 54, 55, 56 by soldering.
  • the configuration is grounded outside the package.
  • the present invention is a built-in structure for mounting a shield case therein, which is a problem due to the structure of mounting a conventional shield case to outside, that is, the reliability of the shield case and external soldering, deterioration of reliability due to contamination, and shielding after set mounting. It is possible to solve problems such as detachment of the case, and the grounding of the shield case is not made inside the package, but has a structure in which the user solders the printed circuit board, thereby greatly improving the production efficiency of the remote control receiving module. .
  • the lead terminal 124 and the ground terminal 135 are bent downward to be parallel to the side of the mold part 40, and then again to the outside. It is also possible to be bent.
  • Figure 12 shows another embodiment of the shield case according to the present invention
  • (a) is a plan view
  • (b) is a right side view
  • (c) is a left side view
  • (d) is a front view
  • Figure 13 11 is a front view illustrating a remote controller receiving module to which the shield case of FIG. 11 is applied
  • another embodiment of the present invention may include the lead terminal 224 and the ground terminals 233, 234, and 235 of the bent portion 231 ( It is bent to have the same angle as 232, the mold portion 40 is molded so that only the lower end of the lead terminal and the ground terminal exposed to the outside of the mold portion, the lower end is bent outward to contact the lower surface of the mold portion It has a shape.
  • Another embodiment of the present invention has a form in which only the lower ends of the lead terminal and the ground terminal are exposed to the outside of the mold portion, and are entirely wrapped in the mold portion 40, and the mounting structure of the printed circuit board is the same. .
  • the shield case has a structure in which the user solders the printed circuit board to ground, thereby greatly improving the production efficiency of the remote control receiving module.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Light Receiving Elements (AREA)
  • Selective Calling Equipment (AREA)

Abstract

La présente invention porte sur un module récepteur de télécommande et sur une structure de montage associée, et inclut un élément récepteur de lumière qui reçoit et traite le signal de la télécommande ; une grille de connexion sur laquelle est monté un élément de traitement de signal qui traite un signal reçu et qui est formée par saillie d'une pluralité de bornes conductrices vers un côté ; un boîtier de blindage qui forme une fenêtre de réception de lumière correspondant à l'emplacement dudit élément récepteur de lumière, qui plie des côtés gauche et droit pour former une partie pliée, et qui comprend une pluralité de bornes de masse formées par saillie vers l'extérieur de telle manière qu'une connexion peut être établie avec la borne conductrice de ladite grille de connexion de façon externe ; une partie moulée, moulée par une résine époxy qui entoure ladite grille de connexion et ledit boîtier de blindage et expose la borne conductrice de la grille de connexion et la borne de masse du boîtier de blindage de façon externe ; et une partie lentille hémisphérique qui est formée sur la face de réception de lumière de ladite partie moulée. Par une technique dans laquelle on fait saillir la borne de masse dudit boîtier de blindage vers l'extérieur de ladite partie moulée et connectée à ladite borne conductrice lors du montage sur une carte de circuits imprimés, faisant ainsi saillir la borne de masse à l'extérieur du boîtier sans contact avec le boîtier de blindage à l'intérieur du boîtier, et établissant en conséquence des connexions à partir de la carte de circuits imprimés, le nombre de travailleurs de production peut être effectivement réduit, et le rendement de production peut être amélioré.
PCT/KR2009/005771 2008-10-09 2009-10-09 Module récepteur de télécommande et structure de montage associée Ceased WO2010041890A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020080099004A KR101059541B1 (ko) 2008-10-09 2008-10-09 리모콘 수신모듈 및 이의 실장구조
KR10-2008-0099004 2008-10-09

Publications (2)

Publication Number Publication Date
WO2010041890A2 true WO2010041890A2 (fr) 2010-04-15
WO2010041890A3 WO2010041890A3 (fr) 2010-07-29

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PCT/KR2009/005771 Ceased WO2010041890A2 (fr) 2008-10-09 2009-10-09 Module récepteur de télécommande et structure de montage associée

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KR (1) KR101059541B1 (fr)
WO (1) WO2010041890A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200454520Y1 (ko) * 2010-03-18 2011-07-08 광전자 주식회사 이너 실드를 포함하는 리모콘 수신 모듈
KR102065598B1 (ko) * 2018-01-08 2020-01-13 엘지전자 주식회사 신호수신장치 및 공기조화기

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3072235B2 (ja) * 1994-12-14 2000-07-31 シャープ株式会社 面実装型リモコン受光ユニット及びその製造方法
KR200335188Y1 (ko) * 2003-09-08 2003-12-03 문광호 초소형 표면실장형 리모콘 수신모듈
KR100608107B1 (ko) * 2004-03-08 2006-08-08 루미컴 주식회사 적외선 리모콘 수신 모듈
KR100847070B1 (ko) * 2006-10-16 2008-07-17 한국 고덴시 주식회사 리모콘 수신 모듈 및 그 제조방법

Also Published As

Publication number Publication date
KR20100039987A (ko) 2010-04-19
KR101059541B1 (ko) 2011-08-26
WO2010041890A3 (fr) 2010-07-29

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