JPH0850936A - Electric wire connection terminal board - Google Patents

Abstract

PURPOSE:To reduce electrical packaging parts in number, make them small in-size, and automatically assemble them by holding a power supply electric wire with a conductive fitting and a leaf spring when the power supply electric wire is inserted into an insertion hole, and electrically connecting the power supply electric wire to an equipment supply terminal. CONSTITUTION:When a power supply electric wire 8 is inserted through a power supply electric wire insertion hole 1 provided for the main body 6 of the power supply electric wire connection terminal base, the power supply electric wire 8 is held by a conductive fitting 9 and a leaf spring 10, and electrically connected to an equipment supply terminal 13 via the fitting 9. A power supply 7 is connected to a capacitor induction motor 2 by inserting a connector 4 through a connection hole 5 formed in the main body 6, and connecting the connector 4 to the terminal 13, and thereby the motor 2 is operated. By this constitution, since the main body 6 is formed out of insulating material, there is no need for separately providing an electrical packaging box, and the parts can thereby be reduced in number.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric wire connecting terminal block mounted on a device using a capacitor induction motor.

[0002]

2. Description of the Related Art In recent years, it has become popular to use a highly efficient capacitor induction motor for a small electric motor used for a ventilation fan or the like, and with the spread, electric parts are attached to a wire connection terminal block that connects the capacitor induction motor and a power source. There is an increasing demand to be able to store and eliminate the need for electrical boxes.

A case where a conventional electric wire connection terminal block of this type is used for a ventilation fan will be described with reference to FIGS.

As shown in the figure, the main body 103 of the ventilation fan has a suction port 101 formed on the lower surface and a discharge port 102 on the side.
Condenser induction motor 1 with fan 104 attached to the
05, the inlet 106 was provided with a grill 106, and the electrical equipment unit 108 for connecting the condenser induction motor 105 and the power source 107 was provided in the electrical equipment box 109.

In the electrical unit 108, the main body 110 of the electric wire connecting terminal block, the condenser 111, and the glass tube current fuse 113 insulated by the vinyl tube 112 are individually configured, and are connected by an electric circuit as shown in FIG. The main body 110 of the electric wire connection terminal block is provided with a power supply wire insertion port 114, is made of an insulating material, and is a conductive metal fitting 115 for sandwiching the power supply wire inside the power supply wire insertion port 114.
And a leaf spring 116, and a pusher 117 that operates so as to release the clamping force by the leaf spring 116. A glass tube current fuse 113 insulated by a vinyl tube 112 is connected to the conductive metal fitting 115 to connect the capacitor induction motor 105. Was connected via a lead wire 118.

In the above structure, when connecting the power supply wire, when the power supply wire is inserted through the power supply wire insertion port 114 provided in the main body 110 of the wire connection terminal block, the leaf spring 116 moves, and the elastic holding force of the leaf spring 116. By leaf spring 116
The power supply wire is sandwiched between and and the conductive fitting 115, and the power supply wire is connected.

When the power supply wire is to be removed, the power supply wire can be removed by operating the pusher 117 to release the holding force of the leaf spring 116.

[0008]

In the structure of the conventional wire connecting terminal block, the body 110 of the wire connecting terminal block, the capacitor 111, and the glass tube current fuse 113 are used.
Are the lead wires 1 of the capacitor induction motor 105, respectively.
Since it is connected to 18, the electrical equipment box 109 is required to insulate and the number of parts is increased, and the electrical equipment box 109 houses the main body 110 of the wire connection terminal block, the capacitor 111, and the glass tube current fuse 113. At this time, since each part is only connected by the lead wire, each part moves freely, so that it is troublesome to store the work, and the electrical equipment box 109 storing each part is installed in the main body of the ventilation fan. Even in the work of fixing to 103, there is a problem that automatic assembly is difficult, and by covering each component with the electrical component box 109, the size of the electrical component portion becomes large.

Further, when the glass tube current fuse 113 is stored in the electrical equipment box 109, there is a problem that the glass tube current fuse 113 hits the main body 103 of the ventilation fan to break the glass tube.

SUMMARY OF THE INVENTION It is a first object of the present invention to solve the above problems and to provide a wire connecting terminal block which can reduce the number of parts of an electric component part, can be downsized, and can be automatically assembled.

A second object is to prevent breakage of the glass tube of the glass tube current fuse during mounting work.

[0012]

In order to achieve the above first object, the wire connecting terminal block of the present invention has a first means for connecting a plurality of power supply wire insertion ports and a capacitor induction motor. A main body of an electric wire connection terminal block formed of an insulating material with a connection port opened, a conductive metal fitting and a leaf spring which are provided inside the main body electric power wire insertion opening of the main body so as to sandwich the electric power supply wire, and the leaf spring. A pusher operably provided to release the clamping force, a capacitor electrically connected between the conductive fitting and a conductive fitting having a different polarity, and a power supply connected through the conductive fitting, and the connection connector And a device supply terminal to which the device is detachably connected, and an electric component such as a capacitor is housed in the main body.

In order to achieve the second object, the second
In this means, the conductive metal fitting and the device supply terminal are connected via a glass tube current fuse, and the glass tube current fuse is housed in the main body.

[0014]

According to the present invention, when the power supply wire is inserted through the power supply wire insertion opening provided in the main body of the wire connection terminal block, the power supply wire is clamped by the conductive metal fitting and the leaf spring, and the device supply terminal is constituted by the structure of the first means. The capacitor induction motor is operated by connecting the connection connector electrically connected to the capacitor induction motor to the equipment supply terminal.

Since the main body of the wire connection terminal block is made of an insulating material and the electric components such as the condenser are housed inside, it is not necessary to separately provide an electric component box.
For equipment such as ventilation fans, it is only necessary to attach the main body of the wire connection terminal block, so automatic assembly is possible.

Further, by virtue of the constitution of the second means, the glass tube current fuse is housed in the main body of the electric wire connecting terminal block, so that the glass tube will not be broken even if an impact is applied, and a device such as a ventilation fan can be incorporated. Even at this time, the glass tube of the glass tube current fuse is prevented from breaking.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS.

As shown in the figure, a plurality of power supply wire insertion ports 1
And the condenser induction motor 2 and the lead wire 3, the connection port 5 of the connection connector 4 is opened, the body 6 of the wire connection terminal block is formed of an insulating material, the inside of the power wire insertion port 1 of the body 6 Is provided with a conductive metal fitting 9 and a leaf spring 10 for sandwiching a power supply wire 8 connected to the power source 7, and a pusher 11 for moving the leaf spring 10 so that the sandwiching force of the leaf spring 10 is released. A capacitor 12 is electrically connected between the conductive metal fitting 9 which has a different polarity.

Further, the conductive fitting 9 is provided with a device supply terminal 13 to which the connection connector 4 is connected when the connection connector 4 connected to the capacitor induction motor 2 is inserted from the connection port 5.

In the above structure, when the power supply wire 8 is inserted through the power supply wire insertion opening 1 provided in the body 6 of the wire connection terminal block, the power supply wire 8 is sandwiched between the conductive metal fitting 9 and the leaf spring 10 and the conductive metal fitting 9 is interposed. Are electrically connected to the device supply terminal 13. Then, the power supply 7 is connected to the capacitor induction motor 2 by inserting the connection connector 4 from the connection port 5 formed in the main body 6 of the wire connection terminal block and connecting the connection connector 4 to the device supply terminal 13, and the capacitor induction motor 2 Will be driven.

A ventilation fan will be described as an example of mounting on a device or the like. A grill 17 is attached to the suction port 14 of the body 16 of the ventilation fan having the suction port 14 on the lower surface and the discharge port 15 on the side. The condenser induction motor 2 for driving the fan 18 provided in the main body 16 of the ventilation fan is provided, and the main body 16 of the ventilation fan is provided with the main body 6 of the electric wire connection terminal block to which the connection connector 4 of the condenser induction motor 2 and the power supply electric wire 8 are connected. It will be installed.

As described above, according to the wire connecting terminal block of the first embodiment of the present invention, the capacitor 12 is built in the body of the wire connecting terminal block made of the insulating material and is connected to the power source 7 by the conductive metal fitting. The capacitor induction motor 2 is operated by the electric circuit formed via 9.

Since the main body 6 of the wire connection terminal block is made of an insulating material, it is not necessary to separately provide an electrical component box for storing electrical components, and the number of components can be reduced.

Further, since all the electrical components are housed inside the main body 6 of the wire connection terminal block, they can be easily attached to equipment such as a ventilation fan, automatic assembly can be made possible, and miniaturization can be achieved. it can.

Next, a second embodiment of the present invention will be described with reference to FIG.
-It demonstrates, referring FIG. The same parts as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

As shown in the figure, the main body 6 of the wire connection terminal block
In A, the glass tube current fuse 1 is attached to the conductive fitting 9A.
It is assumed that the device supply terminal 13A is connected via 9.

In the above structure, when the condenser induction motor 2 is operated, the power supply wire 8 is inserted into the power supply wire insertion port 1 and connected to the conductive metal fitting 9A as in the first embodiment, and the conductive metal fitting 9A is the glass tube current fuse. Since the power supply 7 is supplied to the device supply terminal 13A connected via 19, the capacitor induction motor 2 can be operated by connecting the connection connector 4 connected to the capacitor induction motor 2 to the device supply terminal 13A. Becomes

When the main body 6A of the wire connection terminal block is attached to an attachment device such as a ventilation fan, it is attached in the same manner as in the first embodiment.

As described above, according to the wire connecting terminal block of the second embodiment of the present invention, the glass tube current fuse 19 is connected between the conductive metal fitting 9A connected to the power source 7 and the equipment supply terminal 13A to form the insulating material. The glass tube current fuse 19 is protected by the body 6A of the wire connection terminal block because it is housed in the body 6A of the wire connection terminal block formed in 1.
The glass tube 9 is prevented from being damaged.

[0030]

As is apparent from the above embodiments, according to the present invention, the capacitors provided between the conductive metal fittings to which the power source wires are detachably connected and the connection connector connected to the capacitor induction motor are connected. Since electric components such as equipment supply terminals are housed in the main body of the electric wire connection terminal block made of insulating material, the number of parts of the electric equipment can be reduced, downsizing can be achieved, and the electric wire connection terminal block can be automatically assembled. Can be provided.

Further, since the conductive metal fitting and the equipment supply terminal are connected through the glass tube current fuse and the glass tube current fuse is housed in the main body of the wire connection terminal block, the glass tube of the glass tube current fuse is protected. Therefore, it is possible to prevent the glass tube current fuse from being damaged during the mounting work.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing the relationship between an electric wire connection terminal block and a connection connector according to a first embodiment of the present invention.

FIG. 2 is an electric circuit diagram of a capacitor induction motor using the wire connection terminal block of the first embodiment.

FIG. 3 is a sectional view of a ventilation fan to which the electric wire connection terminal block of the first embodiment is attached.

FIG. 4 is a cross-sectional view showing the relationship between the wire connection terminal block and the connection connector of the second embodiment.

FIG. 5 is an electric circuit diagram of a capacitor induction motor using the wire connection terminal block of the second embodiment.

FIG. 6 is a sectional view of a ventilation fan to which the electric wire connection terminal block of the second embodiment is attached.

FIG. 7 is a sectional view showing a state of a conventional wire connection terminal block.

FIG. 8 is an electric circuit diagram of a capacitor induction motor using the electric wire connection terminal block.

FIG. 9 is a cross-sectional view showing a state in which the electric wire connection terminal block is attached to a ventilation fan.

[Explanation of symbols]

 1 Power Wire Insertion Port 2 Capacitor Induction Motor 4 Connection Connector 5 Connection Port 6 Body of Wire Connection Terminal Block 6A Body of Wire Connection Terminal Block 7 Power Supply 8 Power Wire 9 Conductive Metal 9A Conductive Metal 10 Leaf Spring 11 Pusher 12 Capacitor 13 Equipment Supply Terminal 13A Equipment supply terminal 19 Glass tube current fuse

Claims (2)

[Claims] 1. A main body of an electric wire connection terminal block formed of an insulating material by opening a connection opening of a plurality of power supply electric wire insertion openings and a connection connector connected to a capacitor induction motor, and a main body of the power supply electric wire insertion opening of the main body. There is an electrical connection between a conductive metal fitting and a leaf spring that are provided to hold the power supply wire inside, a pusher that is operably provided to release the holding force of the leaf spring, and a conductive metal fitting that has a different polarity from the conductive metal fitting. And a device supply terminal to which the connection connector is detachably connected, which is connected to a power source through the conductive metal fitting, and which houses electrical components such as a capacitor in the main body. Wire connection terminal block. 2. The electric wire connection terminal block according to claim 1, wherein the conductive metal fitting and the equipment supply terminal are connected via a glass tube current fuse, and the glass tube current fuse is housed in the main body.