JP4530511B2 - Switch with light-emitting display with built-in current detection element - Google Patents

Switch with light-emitting display with built-in current detection element Download PDF

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Publication number
JP4530511B2
JP4530511B2 JP2000297403A JP2000297403A JP4530511B2 JP 4530511 B2 JP4530511 B2 JP 4530511B2 JP 2000297403 A JP2000297403 A JP 2000297403A JP 2000297403 A JP2000297403 A JP 2000297403A JP 4530511 B2 JP4530511 B2 JP 4530511B2
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Prior art keywords
switch
primary winding
winding
current detection
frame
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JP2000297403A
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JP2002109985A (en
Inventor
枝折 藤好
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神保電器株式会社
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Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a switch with a light-emitting display with a built-in current detection element that includes a current detection element to detect energization and emits a light-emitting display body when energized.
[0002]
[Prior art]
Conventionally, as this type of switch with a built-in light-emitting display with a current detection element, a current detection element is configured by a current transformer, and a current-carrying primary winding of the current transformer is used to connect a light-emitting diode connected to a secondary winding. There has been proposed a light-emitting display that is turned on. In these switches, the lead wires at both ends of the primary winding of the current transformer are led to the terminal plate and connected by soldering, and the lead wires at both ends of the secondary winding of the current transformer are led to the terminal plate and soldered in the same manner. It was necessary to make a connection.
[0003]
[Problems to be solved by the invention]
However, in the above-mentioned switch, the lead wires at both ends of the primary winding and the lead wires at both ends of the secondary winding must be led to the terminal plate and soldered, which increases the specific gravity of manual work and increases automation. There was a problem in promoting.
[0004]
The present invention eliminates the above problems, and can connect the current detection element to the light emitting element circuit and the connection terminal without manually guiding both ends of the primary winding and both ends of the secondary winding. An object of the present invention is to provide a switch with a light-emitting display with a built-in current detection element that can reduce the specific gravity of manual work in the assembly process and promote automation in the manufacturing process.
[0005]
[Means for Solving the Problems]
In order to solve the above-described problem, the switch with a light-emitting display with a built-in current detection element according to the present invention houses an insulating middle frame in a container composed of an upper case and a lower case, and is provided below the middle frame. A current detection body including a current detection element composed of a primary winding and a secondary winding is disposed, and the current detection body is configured by a bobbin, and the secondary winding is wound around the bobbin, A connection pin support for supporting a connection pin for connecting the tip of the secondary winding is formed upright, and a primary winding support column for supporting both ends of the primary winding is formed upright , A switch mechanism is arranged on the upper part, both ends of the primary winding are protruded from the tip of the primary winding support pillar, and are connected to the power supply terminal and the movable contact support plate constituting the switch mechanism, respectively. connecting the tip of the connecting pin connecting the following winding pin To protrude from the distal end of the column, characterized in that connected to the light emitting element circuit on a circuit board disposed above the switch mechanism.
[0006]
The tip of the primary winding support column may be formed in a conical shape so that it can be smoothly engaged with the middle frame placed on the current detector.
[0007]
In addition, the intermediate frame engages with the tip of the primary winding support column, and guides the tips of both ends of the primary winding to joint holes provided in the power supply terminal and the support plate of the movable contact, respectively. It is preferable that a positioning hole is provided so that both end portions of the primary winding can correctly correspond to the joining hole of the power supply terminal and the joining hole of the support plate.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 is an exploded perspective view of a switch with a light emitting display with a built-in current detection element (hereinafter referred to as a switch) according to the present invention, and FIG. 2 is a plan view of the switch with the upper case 2 and the operation element 15 removed. This switch is a three-way switch, and an insulative middle frame 4 is accommodated in a container 1 composed of an upper case 2 and a lower case 3, and a primary winding 10 is disposed below the middle frame 4. And a current detection element 6 including a current detection element 5 composed of a secondary winding 11 and a circuit board 14 on which a switch mechanism 7 and light emitting elements 12 and 13 are mounted on the upper part of the middle frame 4. The operating element 15 is arranged, and the lighting state of the light emitting diode 12 and the neon lamp 13 which are light emitting elements mounted on the circuit board 14 can be visually recognized through the light transmitting plate 17 attached to the central opening 16 of the operating element 15. The neon lamp 13 is lit when the load is OFF, and the light emitting diode 12 is lit when the load is ON. The lighting circuit is configured so that both ends of the primary winding 10 are connected. Lead part 10 10b are respectively connected to a power supply terminal 20 and a support plate 22 that support the movable contact 21 constituting a part of the switch mechanism 7, and both end leads 11a and 11b of the secondary winding 11 are connected to the current detection element 5. It is connected to the circuit board 14 disposed above the switch mechanism via connection pins 25 and 26 that are integrally formed.
[0009]
The upper case 2 is a rectangular box having an opening on the entire lower surface and an opening 27 for exposing the upper surface of the operation element 3 on the upper surface, and a bearing portion for pivotally supporting the operation element 15 on the upper surface. 28 is formed, and hooks 2a are formed at the four corners of the lower surface so as to protrude downward.
[0010]
The lower case 3 has a tool for operating an electric wire insertion hole 30 (see FIG. 5) for individually inserting electric wires on the bottom surface and a release member 31 for releasing the locking of the inserted electric wires, while the upper surface is open on the entire surface. A tool insertion opening 32 (see FIG. 4) for insertion is formed, and locking projections 3 a are formed on both side surfaces of the lower case 3.
[0011]
Then, the upper case 2 and the lower case 3 are integrated with each other by engaging the hook 2a formed on the upper case 2 with the locking projection 3a formed on the lower case 3. Thus, a box-shaped container 1 can be formed as a whole.
[0012]
An electric current detector 6 and an inner frame 4 are arranged inside the container 1 in an overlapping manner, and the inner frame 4 has a power supply terminal 20, a fixed terminal 23 and a switching terminal which are connection terminal portions to which the electric wires are connected. Terminals 24 are arranged and correspond to these terminals, and are arranged above the electric wire insertion hole 30. The holding springs 33 (see FIG. 5) that lock the inserted electric wires and connect the electric wires and the respective terminals. Are arranged to constitute a so-called screwless terminal.
[0013]
As shown in FIG. 5, in the middle of the fixed terminal 23 and the switching terminal 24, the spring 35 is always biased upward by the spring 35, and the substantially V-shaped conductivity for supporting the movable contact 21 and the side surface is substantially V-shaped. An elastic support plate 22 is arranged.
[0014]
When the movable contact 21 is reversed left and right in FIG. 5, the movable contact 21 a selectively contacts the fixed contact 23 a of the fixed terminal 23 and the switching contact 24 a of the switching terminal 24, so that the electric circuit can be connected and disconnected. The switch mechanism is configured as described above.
[0015]
The movable contact 21 is rotationally driven by the operation element 3 so that the movable contact 21a is selectively brought into contact with the fixed contact 23a and the switching contact 24a. The operation element 3 has a light emitting diode 12 and a neon lamp in the center. 13 is a frame in which a transparent plate 17 made of a transparent resin is attached to an opening 40 that allows light to pass through, and a drive that engages with the upper end of the drive piece 21b of the movable contactor 21 on the central lower surface of both sides in the longitudinal direction. Arms 41 are formed so as to protrude downward, and mounting claws 42 for mounting a decorative operation plate (not shown) on the operation element 3 are attached to both sides in the longitudinal direction of the opening 40, and bearings formed on the upper cover 2 at the center of both sides. A support shaft 46 that is swingably supported by the portion 28 is formed to protrude laterally.
[0016]
By the way, the current detection body 6 holds the primary winding 10 while holding the current transformer composed of the secondary winding 11 wound around the bobbin 50 and the primary winding 10 made of an air-core coil, and the bobbin 50 from above and below. The primary winding support column 53 is formed integrally with the holding core and has an insertion groove 53b formed on one of the upper surfaces of the bobbin 50 through which the lead portions 10a and 10b at both ends of the primary winding 10 are inserted. Secondary winding connection pins 25 and 26 to which lead portions 11a and 11b at both ends of the secondary winding 11 are connected to the upper surface of the bobbin 50 symmetrical to the primary winding support column 53. Connection pin columns 54 and 55 in which insertion holes 54a and 55a to be inserted are formed project upward and are formed upright.
[0017]
The primary winding support pillar 53 has an insertion groove 53b formed on the outer side from the upper end to the lower end, and a tip 53a formed in a conical shape. The conical shape extends downward in the middle frame 4 described later. The positioning holes 58a and 58b can be correctly engaged.
[0018]
As shown in FIGS. 6 (a) and 6 (b), the secondary winding connection pins 25 and 26 are set to have lengths such that both ends protrude from the upper and lower ends of the connection pin columns 54 and 55, respectively, and protrude downward. The lower end portions 25a and 26a are respectively wound with lead portions 11a and 11b at both ends of the secondary winding 11 wound around the bobbin 50. The secondary winding 11 and the secondary winding connection pins 25 and 26 are It is designed to be electrically connected. After the secondary winding 11 is wound around the bobbin 50 by an automatic machine, the secondary winding 11 is automatically wound around the lower end portions 25a and 26a of the secondary winding connection pins 25 and 26 via the hook portion 59. Thus, the secondary winding 11 and the secondary winding connection pins 25 and 26 can be automatically soldered and electrically connected without requiring a process such as manual soldering. .
[0019]
On the other hand, as shown in FIG. 7, the air-core primary winding 10 has a secondary winding from below the bobbin 50 while the lead portions 10 a and 10 b at both ends are inserted into the insertion grooves 53 b of the primary winding support pillar 53. 11, and the tips of the lead portions 10 a and 10 b may be protruded from the tip of the primary winding support column 53. In this state, the fitting protrusions 51a and 51b at the center of the cores 51 and 52 are fitted into the through holes 50a of the bobbin 50, and the bobbin 50 is accommodated while the primary winding 10 is accommodated in the circular accommodating grooves 51b and 52b. The current detection body 6 can be formed as shown in FIG. 8 by aligning the cores so as to be sandwiched from above and below and adhering the cores with an appropriate means such as an adhesive.
[0020]
As described above, since a manual process such as soldering is not required at the stage of creating the current detector 6, automation can be introduced, and the production efficiency of the current detector 6 can be improved.
[0021]
And it mounts so that the middle frame 4 may overlap on the electric current detection body 6 formed as mentioned above. At this time, as shown in FIG. 3, the conical tip portion 53 a of the primary winding support column 53 engages with the positioning holes 58 a and 58 b formed in the inner frame 4, and the lead portion 10 a of the primary winding 10. 10b protrudes upward through the positioning holes 58a and 58b. Since the power terminal 20 and the support plate 22 are respectively formed with conical joint holes 56 and 57 that expand downward, the tips of the lead portions 10a and 10b of the primary winding 10 can be smoothly provided. It is possible to penetrate through the joint holes 56 and 57, and the tip portions protruding from the joint holes 56 and 57 may be soldered to the power supply terminal 20 and the support plate 22, respectively. As a result, the primary winding 10 is electrically connected between the power supply terminal 20 and the support plate 22 as shown in the circuit diagram of FIG.
[0022]
When the circuit board 14 is placed from above each terminal, the tips of the upright terminals 60 and 61 formed on the upper surfaces of the fixed terminal 23 and the switching terminal 24 pass through the joint holes 62 and 63 formed in the circuit board 14. Therefore, the tips of the upright terminals 60 and 61 protruding from the joint holes 62 and 63 may be soldered to the joint holes 62 and 63 of the circuit board 14, respectively. As a result, the neon lamp lighting circuit a is electrically connected to the fixed terminal 23 and the switching terminal 24 as shown in the circuit diagram of FIG.
[0023]
Further, the tips 25b, 26b of the secondary winding connection pins 25, 26 protruding from the upper ends of the connection pin columns 54, 55 formed on the bobbin 50 pass through the joint holes 65, 66 of the circuit board 14, so that connection is made. By soldering the tips 25b and 26b of the pins 25 and 26 to the joint holes 65 and 66 of the circuit board 14, respectively, the secondary winding 11 is connected to the connection pins 25 and 26 as shown in the circuit diagram of FIG. Is electrically connected to the light emitting diode lighting circuit b. In FIG. 9, reference numeral 18 denotes a back electromotive force prevention diode.
[0024]
According to the above-described switch, the current detection body 6 including the current transformer, which is the current detection element 5, is configured by the bobbin 50, and the lead portion of the primary winding 10 is mounted on the primary winding support column 53 formed on the bobbin 50. The lead portions 11a and 11b of the secondary winding 11 are connected to the connection pins 25 and 26 inserted into the connection pin columns 54 and 55 formed on the bobbin 50 by supporting the current detection elements 5 While being integrated into the detection body 6, both ends of the primary winding 10 and the secondary winding 11 can be maintained in a fixed state. This current detection body 6 is incorporated into the switch, and the switch mechanism 7 and the circuit. Connection to the substrate 14 can be facilitated, manual work in the switch assembly process can be reduced, manufacturing automation of the current detector 6 can be promoted, and It is possible to increase the efficiency.
[0025]
10 to 14 show a single-pole switch. The single-pole switch uses a fixed terminal 100 in place of the fixed terminal 23 and the switching terminal 24 used in the switch mechanism 7 for the three-way switch. When the circuit board 14 ′ is placed on the power supply terminal 20 and the fixed terminal 100, the standing terminal 102 protruding from the upper surface of the power supply terminal 20 passes through the bonding hole 103 of the circuit board 14 on the upper surface of the fixed terminal 100. Since the tip of the formed upright terminal 101 passes through the joint hole 104 formed in the circuit board 14 ′, the tip of the upright terminals 102 and 101 protruding from the joint holes 103 and 104 is connected to the joint hole 103 of the circuit board 14 ′. , 104 may be soldered. As a result, as shown in the circuit diagram of FIG. 9B, the neon lamp lighting circuit a ′ is electrically connected to the power supply terminal 20 and the fixed terminal 100, and the load is turned off (the movable contact 21a and When the fixed contact 100a is open), the neon lamp 13 is turned on. When the load is turned on (the movable contact 21a and the fixed contact 100a are short-circuited), the neon lamp 13 is turned off and the light emitting diode 12 is turned on. it can.
[0026]
【The invention's effect】
According to the first aspect of the present invention, the current detector, the inner frame, the switch mechanism, and the light emitting element circuit can be placed so as to overlap in the body, and the assembly work of the switch is facilitated. Can be easily connected to the switch mechanism and the light emitting element circuit without manually guiding both ends of the primary winding and the secondary winding of the current sensing element provided in the current sensing element. It is possible to reduce the specific gravity of work and to promote automation in the manufacturing process.
[0027]
According to invention of Claim 2 , the complexity at the time of an assembly | attachment with an intermediate frame body is eliminated by forming the front-end | tip of a primary winding support pillar in cone shape, and it can aim at the improvement of work efficiency.
[0028]
According to the invention of claim 3 , by providing the positioning hole in the middle frame, the tip of the primary winding can be reliably guided to the joint hole formed in the power supply terminal and the support plate.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view of a switch with a light emitting display with a built-in current detection element according to the present invention. FIG. 2 is a plan view showing a state where an upper case and an operator of the switch are removed. 2 is a cross-sectional view taken along the line AA in FIG. 2 in an attached state. FIGS. 4A and 4B are a cross-sectional view taken along the line BB and a cross-sectional view taken along the line EE in FIG. FIGS. 5A and 5B are cross-sectional views taken along the line CC and the line DD of FIG. 2 with the upper case and the operation element attached. FIGS. 6A and 6B are cross-sectional views. FIG. 7 is a perspective view of the bobbin in a state where the bobbin is wound and a secondary winding wound. FIG. 7 is an exploded perspective view illustrating the configuration of the current detector. FIG. 8 is a perspective view of the current detector in an assembled state. FIGS. 9A and 9B are explanatory diagrams of a lighting circuit of a light emitting element in a three-way switch and a single-pole switch. ] An exploded perspective view of a switch with a light emitting display with a built-in current detection element for a single pole [FIG. 11] A plan view showing a state in which the upper case and the operation element of the above-mentioned single-pole switch are removed [FIG. 12] 11 is a cross-sectional view taken along the line AA of FIG. 11 in a state of being attached. FIGS. 13A and 13B are a cross-sectional view taken along the line BB and a cross-sectional view taken along the line EE of FIG. FIGS. 14A and 14B are cross-sectional views taken along the line CC and the line DD of FIG. 11 in a state where the upper case and the operation element are attached.
DESCRIPTION OF SYMBOLS 1 Container 2 Upper case 3 Lower case 4 Middle frame 5 Current detection element 6 Current detection body 10 Primary winding 11 Secondary winding 20 Power supply terminal 22 Support terminal 25, 26 Connection pin 50 Bobbin 53 Primary winding support pillar 56 57 Joint hole 58a, 58b Positioning hole 62, 63, 65, 66 Joint hole

Claims (3)

  1. A current detection body including a middle frame body having an insulating property in a container composed of an upper case and a lower case, and having a current detection element composed of a primary winding and a secondary winding below the middle frame body As well as
    The current detection body is constituted by a bobbin, the secondary winding is wound around the bobbin, and a connection pin column supporting the connection pin connecting the tip of the secondary winding is formed upright, and the above A primary winding support column that supports both ends of the primary winding is formed upright,
    A switch mechanism is arranged on the upper part of the middle frame, and both ends of the primary winding are protruded from the tips of the primary winding support pillars , respectively, on the power supply terminal and the movable contact support plate constituting the switch mechanism. The current is connected and connected to a light emitting element circuit on a circuit board disposed above the switch mechanism by projecting the tip of the connection pin to which the secondary winding is connected from the tip of the connection pin column. Switch with built-in detection element and light emission display.
  2. The switch with a light emitting display with a built-in current detection element according to claim 1, wherein a tip end portion of the primary winding support pillar is formed in a conical shape .
  3. In order to engage the front end portion of the primary winding support pillar with the middle frame body, and to guide the front end of both ends of the primary winding to the joint holes provided in the power supply terminal and the support plate of the movable contact, respectively. The switch with a light emitting display with a built-in current detection element according to claim 1 , wherein a positioning hole is provided .
JP2000297403A 2000-09-28 2000-09-28 Switch with light-emitting display with built-in current detection element Active JP4530511B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000297403A JP4530511B2 (en) 2000-09-28 2000-09-28 Switch with light-emitting display with built-in current detection element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000297403A JP4530511B2 (en) 2000-09-28 2000-09-28 Switch with light-emitting display with built-in current detection element

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JP4530511B2 true JP4530511B2 (en) 2010-08-25

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6692718B2 (en) * 2016-08-16 2020-05-13 日本航空電子工業株式会社 Connector device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0343928A (en) * 1989-07-12 1991-02-25 Jimbo Electric Co Ltd Switch device
JPH0594729A (en) * 1992-02-12 1993-04-16 Jimbo Electric Co Ltd Switch device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0343928A (en) * 1989-07-12 1991-02-25 Jimbo Electric Co Ltd Switch device
JPH0594729A (en) * 1992-02-12 1993-04-16 Jimbo Electric Co Ltd Switch device

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