JPH07244094A - Apparatus for measuring quantity of electricity - Google Patents

Abstract

PURPOSE:To improve an efficiency of an assembling operation by reducing the number of components and to further reduce the cost. CONSTITUTION:The measuring apparatus for quantity of electricity comprises a terminal 32 for connecting an external cord, etc., and a component container 33 connected to the terminal 32 to contain electronic components, etc., for measuring quantity of electricity supplied from the terminal via the cord, etc., through an annular core 39 in an apparatus body 31. The terminal 32 and the container 33 of the body 31 are integrally formed. The container 33 has PC board inserting grooves 35b, 35c provided on inner surfaces of side frames 33b, 33c to insert side edges of a PC board 34 from above the body 31. The terminal 32 is provided with a lower groove 35d provided on one end side to insert a lower edge of the board 34 inserted along the PC board inserting groove, and a core containing hole 41 arranged in front of the groove 35d to contain a core, and the core is fixed between the hole 41 and the board 34.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric quantity measuring device such as an electric energy measuring instrument or an electric energy meter for measuring an electric quantity.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 17, for example, an electric quantity measuring device of this type is constructed by mounting each component on a rear plate 1 and covering them with a cover 2 having a waterproof packing. It

Specifically, a core case 3 is fixed to the rear plate 1 with a plurality of screws 4, ... A ring-shaped core 5 for applying a magnetic field is inserted and fixed in the core case 3. An end of a PC (Printed-Circuit) plate 6 as a plate-shaped component is inserted into the gap 5a formed in the core 5. Specifically, the magnetoelectric conversion element 7 mounted on the end of the PC board 6 is inserted into the gap 5 a of the core 5.

One end of each post 7 is attached to each corner of the PC plate 6 by means of screws 8.
Further, screw parts 9 ... Are provided at the other ends of these posts 8 ..., and the screw parts 9 ... Of these posts 8 ... Are attached to the rear plate 1.

As shown in FIG. 18, a terminal portion 11 is attached to the end portion of the rear plate 1 with a screw. In this terminal portion 11, a pair of side terminal holes 1 is formed on a terminal surface 11a facing the component housing portion 10 housing the core 5 and the PC board 6.
2a, 12b and an intermediate terminal hole 13 are provided. The intermediate terminal hole 13 is formed by connecting the terminal holes 13c and 13d at the rear end.

Side terminal fittings 14 and 15 are inserted into the side terminal holes 12a and 12b, respectively, and an intermediate terminal hole 13 is formed.
The intermediate terminal metal fitting 16 is inserted into this.
The intermediate terminal fitting 16 is formed by connecting a pair of terminal fittings 17 and 18 at upper and rear edges.

Projecting terminals 14a, 15a, 17a and 18a are provided on the upper portions of the terminal fittings 17 and 18 of the side terminal fittings 14 and 15 and the intermediate terminal fitting 16 so as to project upward. Terminal fittings 14, 15 ...
Terminal screws 21 for connecting cords and the like are provided on the front surface of each.

When the respective terminal fittings 14, 15 ... Are fitted in the terminal holes 12a, 12b ..., the respective convex terminals 14a, 14b ... Are projected upward from the terminal surface 11a of the terminal portion 11. And the terminal screw 21
Are attached to the respective terminal fittings 14, 15 through four connection holes provided on the front surface 11b of the terminal portion.

An apparatus body side terminal portion 22 is provided on the front surface 11b of the terminal portion 11, and the apparatus body side terminal portion 22 is provided.
Is provided with a protruding terminal 22a protruding upward between the protruding terminals 14a and 17a on the terminal surface 11a.

The convex terminals 14 of the side terminal fittings 14 and 15
A and 15a are connected via a cord 23 as shown in FIG. The middle of the cord 23 penetrates the hole of the core 5.

When assembling such an electric quantity measuring device, each of the terminal fittings 14, 15 ... Is connected to the terminal hole 1 of the terminal portion 11.
2a, 12b ... Then, the terminal portion 11 is attached to the end portion of the rear plate 1 with a screw. Next, while attaching one end of each of the posts 7 to a predetermined position of the rear plate 1,
Attach the core case 3 with screws 4.

In this state, first, the core 5 is attached to the core case 3 with the gap 5a thereof facing upward. And P
The PC board 6 is attached to the other end of the posts 7 so that the magnetoelectric conversion element 7 of the C board 6 is inserted into the gap 5a of the core 5.
Install with.

Next, the convex terminals 1 of the side terminal fittings 14 and 15
4a and 15a are connected by a cord 23. At this time, wiring is performed so that the middle of the cord 23 penetrates the hole of the core 5.
Then, other predetermined wiring is performed. When the cover 2 is attached from the front side after completion of such internal assembly, the electric quantity measuring device shown in FIG. 17 is completed.

[0014]

However, in such an electric quantity measuring device, many screws 4, ..., Posts 7 ... for mounting the core case 3 and the PC plate 6 are required, and the core 5 is required. Since the core case 3 to be fixed is required, the number of parts as a whole is increased, so that there is a problem in that the efficiency of assembling the measuring device is low and the cost is high.

Further, since the terminal surface 11a of the terminal portion 11 into which the terminal fittings 14, 15 ... Are inserted faces the component housing portion 10, the terminal fittings 14, 15 ... Must be inserted. However, there is also a problem in that it is not possible to mount each component in the component storage unit 10 or perform terminal wiring by the cord 23, etc., and the assembly work of the measuring device is troublesome.

Further, since the core 5 is mounted in the component housing 10 separately from the terminal portion 11, it is necessary to increase the size of the apparatus itself by the size of the core 5, and therefore the size cannot be reduced. There was also.

Furthermore, since the measuring device is used with the rear plate 1 oriented vertically, the front cover 2 and the rear plate 1 are used.
As a waterproof measure between the cover 2 and the cover 2, it is necessary to attach a packing to the cover 2 or to complicate the structure of the cover 2 and the rear plate 1 and the connection portion, which increases the number of work steps and costs. There was also.

Therefore, the present invention is intended to provide an electric quantity measuring device capable of reducing the number of parts, thereby improving the assembly work efficiency and reducing the cost. is there.

Further, another object of the present invention is to provide an electric quantity measuring device which can reduce the size of the device itself. Further, another object of the present invention is to provide an electric quantity measuring device capable of improving the efficiency of assembling work.

[0020]

According to the present invention as set forth in claim 1, the main body of the apparatus is provided with a terminal portion for connecting a cord or the like from the outside, and the terminal portion is connected to the terminal portion, and the cord or the like is connected from the terminal. In the electricity quantity measuring device including a component housing portion for housing an electronic component or the like for measuring the amount of electricity supplied via the device body, the device body integrally forms a terminal portion and a component housing portion, and the component housing The section is provided with a side insertion groove for inserting a side edge of a plate-shaped component such as a board or a nameplate on which an electronic component is mounted on the inner surface of the side portion.

Further, in the present invention according to claim 2,
According to the first aspect of the present invention, there is provided the component storage portion, the engagement claw protruding forward from this surface is provided on the front surface thereof, and the name plate is provided with the engagement hole for engaging the engagement claw.

According to the present invention of claim 3,
The device body is connected to a terminal for connecting a cord from the outside, and is connected to this terminal so that the amount of electricity supplied from this terminal via the cord can be measured via an annular core. In the electric quantity measuring device including a component storage unit for storing electronic components, etc., the device main body integrally forms a terminal unit and a component storage unit, and the component storage unit forms the side edge of the plate-shaped component. A side insertion groove that is inserted from above the main body is provided on the inner surface of the side portion, a terminal portion is provided at one end side of the main body, and a lower insertion portion that inserts the lower edge portion of the plate-shaped component inserted along the side insertion groove is inserted. A groove and a core accommodating hole that is continuously provided in front of the lower insertion groove and is formed so that the core can be accommodated are provided, and the core is fixed between the core accommodating hole and the plate-shaped component.

According to the present invention of claim 4,
The terminal portion according to claim 3 is provided with a terminal hole penetrating through the front and rear thereof and into which a terminal to be inserted into the hole of the core can be inserted, and the core housing hole can be housed with the hole of the core oriented in the front-rear direction. And provided in the middle of the terminal hole of the terminal portion,
The board has a notch facing the hole of the core at the lower edge thereof, and the terminal hole communicates with the hole of the core and the notch of the board.

According to the present invention of claim 5,
The terminal part according to claim 3 is provided with a terminal having a tip protruding upward in a detachable manner on an upper portion thereof, and the core housing hole is located above the terminal hole of the terminal part, and the core is in a state where the hole is directed upward. The terminal is inserted into the hole of the core when the core is housed in the core housing hole.

According to the present invention of claim 6,
The device body is connected to a terminal portion for connecting a cord or the like from the outside, and is connected to this terminal portion, and the amount of electricity supplied from this terminal portion through the cord or the like is measured via a ring-shaped core. In the electrical quantity measuring device including a component storage portion for storing electronic components for etc., the device main body is configured to be attached to the terminal portion via a plate-shaped connecting member provided at the bottom of the component storage portion, The terminal portion is detachably provided with a terminal whose tip projects upward, and the component storage portion stores the core at a position facing the terminal in its connecting member with its hole facing upward. A possible core housing is provided and the core is fixed to the connecting member of the component housing.

[0026]

According to the present invention having the above-mentioned structure, when the plate-shaped component such as the board or the name plate is attached to the main body of the apparatus, the side edge of the plate-shaped component is guided along the side insertion groove of the component storage portion. Is inserted from above the device body.

Further, in the present invention according to claim 2,
When attaching the nameplate to the main body of the device,
It engages by inserting the engaging hole of the corner part of a nameplate. Further, in the invention according to claim 3, when the core and the plate-shaped component are attached to the apparatus main body, the core is accommodated in the core accommodating hole of the terminal portion, and the plate-shaped component is inserted along the side insertion groove of the component accommodating portion. Insert the side edge from above the device body. Then, the lower edge portion of the plate-shaped component is inserted into the lower insertion groove of the terminal portion. As a result, the core is pushed and fixed in front of the core housing hole.

Further, in the invention according to claim 4, when the core, the plate-shaped component and the terminal are attached to the apparatus main body, the core is accommodated in the core accommodating hole of the terminal portion with the hole oriented in the front-rear direction. And along the side insertion groove of the component storage part,
The side edge of the plate-shaped component is inserted from above the device body, and the lower edge of the plate-shaped component is inserted into the lower insertion groove of the terminal portion. At this time,
The terminal hole communicates with each other through the hole in the core and the notch in the plate-shaped component. When the terminal is inserted into this terminal hole, the terminal penetrates the hole of the core.

In addition, in the invention described in claim 5, when the core, the plate-shaped component and the terminal are attached to the apparatus main body, the terminal is inserted and attached to the terminal portion with the tip protruding upward. Then, the core is housed in the core housing hole with the hole facing upward. As a result, the tip of the terminal is inserted into the hole of the core. Then, the side edge of the plate-shaped component is inserted from above the device main body along the side insertion groove of the component storage unit, and the lower edge of the plate-shaped component is inserted into the lower insertion groove of the terminal portion. As a result, the core is pushed and fixed in front of the core housing hole.

According to the sixth aspect of the invention, when the core and the terminal are attached to the apparatus body, the terminal is inserted and attached to the terminal portion with the tip protruding upward. Then, the core is accommodated in the core accommodating portion with its hole facing upward. Subsequently, the component storage portion is attached to the upper portion of the terminal portion via the connecting member. Thereby, the core is fixed to the connecting member, and the tip of the terminal is inserted into the hole of the core.

[0031]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the power amount measuring apparatus according to the present invention is applied to a power meter will be described below with reference to the drawings. FIG. 1 is an assembly perspective view showing an external configuration of the present embodiment, and 31 is an apparatus main body. The device main body 31 includes a terminal portion 32 and a component storage portion 33 that is continuously provided above the terminal portion 32.
Composed of and.

This parts storage section 33 includes a rear frame 33.
a and side frames 33b and 33c that are continuously provided on both side surfaces of the rear frame 33a. These side frames 33b and 33c have PCs on their inner rear sides, respectively.
PC plate insertion grooves 35b and 35c as side insertion grooves for inserting the side end portions 34b and 34c of the plate 34 are formed from the upper side to the lower side, and the PC plate insertion groove 35 is formed.
Nameplate insertion grooves 37b and 37c are formed in parallel in front of b and 35c as side insertion grooves for inserting side ends 36b and 36c of a nameplate 36 as a plate-like component.

On the front surface of the name plate 36, predetermined items regarding the watt-hour meter are described, and on the front surface of the PC plate 34, electronic components such as a magnetoelectric conversion element 38 are mounted. A notch 34 for inserting the terminal 44a of the side terminal fitting 44 shown in FIG. 2 from the rear is formed in the lower end 34d of the PC plate 34.
e is provided, and on the front surface of the PC plate 34, the magnetoelectric conversion element 38 is mounted on the notch 34e so as to project forward.

The terminal portion 32 has a lower end 3 of the PC board 34.
The lower groove 35d as a lower insertion groove for inserting the 4d is formed from the lower end of the PC plate insertion groove 35b to the PC plate insertion groove 35c.
Is formed parallel to the rear frame 33a up to the lower end. Further, in the terminal portion 32, in front of the lower groove 35d, the core insertion hole 4 for inserting the substantially plate-shaped core 39 from above is provided.
1 are serially installed. The core insertion hole 41 is located in the middle of the terminal hole 43a shown in FIG.

The core 39 has a gap 39a in the upper part, and a terminal insertion hole 39b for inserting the terminal 44a of the side terminal fitting 44 shown in FIG.

As shown in FIG. 4 (a), the core insertion hole 41 has a front and rear width A formed to be larger than a thickness B of the core 39, and an edge portion projecting rearward is formed at an upper front portion thereof. 41a is formed. The edge portion 41a and the bottom surface 4
The front face portion 39c of the core 39 is fitted in the gap 1b. As a result, the core 39 is fixed in the vertical direction. Further, as shown in FIG. 3B, the lower end 34d of the PC plate 34 is fitted in the gap 42 between the lower groove 35d and the rear surface 39d of the core 39.

As shown in FIG. 2, four terminal holes 43a, 43b, 43c, 43d are provided on the rear surface of the terminal portion 32 from the rear to the front. Of these four terminal holes 43a, the U-shaped side terminal fittings 44 are fitted from the rear into the terminal holes 43a and 43d on both sides.

Specifically, the side terminal fitting 44 comprises terminals 44a and 44d formed so as to project forward and a connecting portion 44b for electrically connecting the rear ends of these terminals 44a and 44d to each other. The terminals 44a and 44d are fitted into the terminal holes 43a and 43d.

One terminal 44a of the side terminal fitting 44
When the side terminal fitting 44 is fitted into the terminal holes 43a and 43d, the side terminal fitting 44 penetrates the notch 34e of the PC plate 34 and the terminal insertion hole 39b of the core 39.

A U-shaped intermediate terminal metal fitting 45 is fitted from the rear into the terminal holes 43b and 43c between the terminal holes 43a and 43d. Specifically, the intermediate terminal fitting 45 is a terminal 45 formed by projecting forward.
b, 45c and a connecting portion 45a for electrically connecting the rear ends of these terminals 45b, 45c to each other. The terminals 45b, 45c are fitted into the terminal holes 43b, 43c.

The side terminal fittings 44 and the intermediate terminal fittings 45 are insulated from each other. Further, the terminals 44a, 45b of the side terminal fittings 44 and the intermediate terminal fittings 45,
As shown in FIGS. 1 and 3, on the front surfaces of 45c and 44d,
Terminal screws 46a and 46 for connecting cords, respectively
b, 46c, 46d are provided. The front surface of the terminal portion 32 is provided with openings 47a ... Each of which exposes the terminal screws 46a.

A waterproof cover 48 is attached to the apparatus body 31 from above the apparatus body 31. The cover 48 includes an upper cover 48a and the upper cover 48.
The terminal cover 48b is fitted to the front lower end of a and covers the front surface of the terminal portion.

In this embodiment having such a structure, when assembling the apparatus, as shown in FIG.
9 with the gap 39a facing upward and the core insertion hole 4
Insert into 1. Subsequently, as shown in FIG. 3B and FIG. 3, the PC plate 34 is inserted from above the apparatus main body 31 along the PC plate insertion grooves 35b and 35c, and the lower end 34d thereof is inserted into the lower groove 35d.

Then, as shown in FIGS. 4C and 4D, the lower end 34d of the PC plate 34 is inserted into the gap 42 behind the core 39. As a result, the front surface portion 39 of the core 39 is
c is fitted between the edge 41a of the core insertion hole 41 and the bottom surface 41b, and is fixed in the vertical direction. Further, the front side of the core insertion hole 41 and the front side of the PC plate are also fixed in the front-back direction.

At this time, the notch 34e of the PC board 34 and the terminal insertion hole 39b of the core 39 face each other. As a result, the terminal hole 43a into which the one terminal 44a of the side terminal fitting 44 is inserted is communicated. The magnetoelectric conversion element 38 of the PC board 34 is inserted into the gap 39 a of the core 39.

Next, as shown in FIG. 2, the intermediate terminal fitting 45 is inserted into the terminal holes 43b and 43c from the rear of the terminal portion 32 with the terminals 45a and 45d thereof facing forward. Then, the side terminal fittings 44 are inserted into the terminal holes 43a and 43d with the terminals 44a and 44d facing forward. At this time,
One terminal 44a of the side terminal fitting 44 penetrates the notch 34e of the PC board 34 and the terminal insertion hole 39b of the core 39.

Then, as shown in FIG.
The cover 48 is covered from above and the terminal cover 48b is attached to the front surface of the terminal portion 32. Thus, the electricity meter is assembled.

Thus, the terminal portion 32 is provided with the core insertion hole 41.
Is provided, and the core 39 is housed in the core insertion hole 41 so that the PC
Since the core 39 is fixed in the terminal portion 32 by inserting the plate 34, the core case 3 for fixing the core 5 as shown in FIG. 17 becomes unnecessary, and the screws 4 ... As a result, the number of parts can be reduced, and therefore the efficiency in assembling work can be improved and the cost can be reduced. Further, since the space for mounting the core 5 as in the conventional case is not required, the device itself can be downsized.

Further, the core insertion hole 41 is continuously provided in front of the lower groove 35d into which the PC board 34 is inserted, and the PC board 34 is also provided.
On the front surface of the core 39, the magnetoelectric conversion element 38 is inserted by projecting forward from the PC plate 34 so as to face the gap 39a of the core 39, and the core 39 is inserted into the core insertion hole 41 with the gap 39a facing upward. Therefore, when the lower end of the PC plate 34 is inserted into the lower groove 35d, the magnetoelectric conversion element 38 is positioned in the gap 39a of the core 39. This facilitates the positioning of the magnetoelectric conversion element 38, thus improving the efficiency of assembly work.

Similarly to the intermediate terminal fitting 45, the side terminal fitting 44 is also configured to connect the terminals 44a and 44d with the connecting portion 44b, and these terminal fittings 44 and 45 are connected to the terminal portion 3.
2. Inserted from the rear of 2 and attached, side terminal metal fittings 44
Wiring between terminals 44a and 44d of is unnecessary, and
It does not interfere with the work of storing the core 39 and the PC board 34. As a result, efficiency in assembly work can be improved.

Further, the core insertion hole 41 is provided in the middle of the terminal hole 43a of the terminal portion 32, and the core 3 is attached to the PC board 34.
Since the notch 34e is provided at a position facing the terminal insertion hole 39b of the device 9,
1, the terminal hole 43a of the terminal portion 32 is inserted into the core 3
9 through the terminal insertion hole 39b and the notch 34e of the PC board 34.

Therefore, as shown in FIG. 2, if the side terminal metal fitting 44 is inserted into the terminal hole 43a from the rear side, one terminal 44a of the side terminal metal fitting 44 penetrates the terminal insertion hole 39b of the core 39. To do. As a result, as shown in FIG.
The cord 23 for penetrating the core 5 shown in FIG. 2 is unnecessary, and the number of parts can be reduced. Further, the work of wiring the cord 23 through the core 39 is not required, and the efficiency of the assembling work can be improved.

Further, the side frame 33 of the apparatus main body 31
b and 33c are provided with name plate insertion grooves 37b and 37c and PC plate insertion grooves 35b and 35c, and the name plate 36 and the PC plate 34 are inserted along these insertion grooves 37b. The screws 8, ..., Posts 7, etc. for attaching the PC board 6 shown in FIG. As a result, the number of parts can be reduced, and therefore the efficiency of assembly work can be improved and the cost can be reduced.

Further, the apparatus main body 31 is covered with the cover 48 from above.
Since the structure is covered with, the waterproof property can be improved as compared with the conventional case. As a result, no special structure for waterproofing is required, and the cost can be reduced.

Further, since the terminal portion 32 and the component housing portion 33 are integrally formed, a screw or the like for attaching the terminal portion unlike the conventional case is unnecessary, and the number of components can be reduced. As a result, the assembly work efficiency can be improved,
The cost can also be reduced.

Next, another embodiment in which the present invention is applied to an electric meter will be described with reference to FIGS.
The same parts as those shown in FIG. 1 are designated by the same reference numerals, and detailed description thereof will be omitted.

FIG. 5 is an assembly perspective view showing an external configuration of the main part of this embodiment. The difference from the electricity meter shown in FIG. 1 is that the terminal fittings 14 and 15 and the terminal hole 12 attached to the terminal part 32 are different.
a, 12b, and 13 have the same configuration as that of FIG. 18, the core insertion hole 51 of the terminal portion 32 is formed above the terminal hole 12a, and the core 39 has a gap 39a in the core insertion hole 51.
Is the point to insert toward the rear.

The core insertion hole 51 is specifically shown in FIG.
As shown in (a), the vertical height is formed to be substantially the same as the thickness B of the core 39, and the front and rear width A is formed larger than the core height C. An edge portion 51a protruding rearward is formed at an upper front portion of the core insertion hole 39b.

The bottom portion 39e of the core 39 is fitted between the edge portion 51a and the bottom surface 51b. As a result, the core 39 is fixed in the vertical direction. Further, as shown in FIG. 3B, the lower end 34 of the PC plate 34 is fitted in the gap 52 between the lower groove 35d and the upper surface of the core 39.

On the front surface of the PC plate 34, a magnetoelectric conversion element 38 is mounted so as to project forward at a position where the lower end portion thereof is inserted into the gap 39a of the core 39. It should be noted that the PC board 34 of this embodiment has a notch 34 unlike the above embodiment.
e is not formed.

In this embodiment having such a structure, when assembling the watt-hour meter, as shown in FIG. 6A, the core 39 is first laid sideways and the gap 39a is directed rearward. Insert into the core insertion hole 51. Then, the same figure (b)
As shown in FIG.
Inserted along c, the lower end 34d is inserted into the lower groove 35d.

Then, as shown in FIGS. 4 (c) and 4 (d), the lower end 34d of the PC plate 34 is inserted into the gap 52 behind the core 39. As a result, the bottom portion 39e of the core 39 is
Is fitted between the edge portion 51a of the core insertion hole 51 and the bottom surface 51b, and is fixed in the vertical direction. Also, the core insertion hole 5
The front and rear directions are also fixed by the front surface of 1 and the front surface of the PC board 34.

At this time, the convex terminal 14 of the side terminal fitting 14 is
a is inserted into the terminal insertion hole 51 of the core 39. And
The core 3 is attached to the convex terminal 14a of the side terminal fitting 14 from above.
One end of the cord 53 is connected with solder or the like through the terminal insertion hole 39b of 9 and the other end of the cord 53 is electrically connected with the convex terminal 15a of the side terminal fitting 15 by solder or the like. Further, the magnetoelectric conversion element 38 of the PC board 34 is inserted into the gap 39a of the core 39 as shown in FIG.

As described above, the core insertion hole 51 is formed in the terminal portion 32.
And the core 39 is housed in this core insertion hole 51
By inserting the C plate 34, the core 39 is attached to the terminal portion 32.
Since it is fixed inside, the number of parts can be reduced as in the above embodiment, so that the efficiency in assembly work can be improved and the cost can be reduced. Also,
Since the space for mounting the core as in the past is not required, the size of the device itself can be reduced.

The core insertion hole 51 is continuously provided in front of the lower groove 35d into which the PC board 34 is inserted, and the PC board 34 is also provided.
On the front surface of the core 39, the magnetoelectric conversion element 38 is inserted by protruding from the PC plate 34 so as to face the gap 39a of the core 39, and the core 39 is inserted into the core insertion hole 51 with the gap 39a facing rearward. Therefore, when the lower end of the PC plate 34 is inserted into the lower groove 35d, the magnetoelectric conversion element 38 is positioned in the gap 39a of the core 39. This facilitates the positioning of the magnetoelectric conversion element 38, thus improving the efficiency of assembly work.

Further, the core insertion hole 51 is formed in the side terminal hole 12a.
Since it is provided above the core 3, the core 3 is inserted into the core insertion hole 51.
9 is inserted, the convex terminal 14a of the side terminal fitting 14 is inserted into the terminal insertion hole 39b of the core 39.
The cord 53 can be passed through the terminal insertion hole 39b of the core 39 only by connecting one end of the cord 53 to 4a with solder or the like. As a result, the work of penetrating the cord into the core unlike the prior art is unnecessary, and therefore the efficiency of the assembling work can be improved.

Further, the side frame 33 of the apparatus main body 31
b and 33c are provided with name plate insertion grooves 37b and 37c and PC plate insertion grooves 35b and 35c, and the name plate 36 and the PC plate 34 are inserted along these insertion grooves 37b ... The number of parts can be reduced, and therefore, the assembly work efficiency can be improved and the cost can be reduced.

Further, since the terminal portion 32 and the component storage portion 33 are integrally formed, the number of components can be reduced as in the above embodiment. As a result, the assembly work efficiency can be improved and the cost can be reduced.

Next, another embodiment in which the present invention is applied to an electricity meter will be described with reference to FIGS. 7 to 9.
The same parts as those shown in FIG. 1 are designated by the same reference numerals, and detailed description thereof will be omitted.

FIG. 7 is an assembly perspective view showing an external configuration of the main part of this embodiment. The difference from the electricity meter shown in FIG. 1 is that the terminal fittings 14 and 15 and the terminal hole 12 attached to the terminal part 32 are different.
a, 12b and 13 have the same structure as in FIG. 18, a core insertion hole 55 is formed in the middle of the lower groove 35d of the terminal portion 32 perpendicularly to the lower groove 35d, and the core 39 is inserted into the core. The point is to insert the gap 39a into the hole 55 so as to be parallel to the lower groove 35d.

The element mounting notch 34f is continuously provided above the notch 34e of the PC board 34, and the magnetoelectric conversion element 38 is interposed in the element mounting notch 34f. In this embodiment having such a structure, when assembling the watt-hour meter, first, the core 39 is inserted into the core insertion hole 55 with the gap 39a facing upward while being perpendicular to the lower groove 35a. Subsequently, as shown in FIGS. 8 and 9, the convex terminals 14 a and 15 a of the side terminal fittings 14 and 15 are electrically connected by the cord 53. At this time, the middle of the cord 53 is inserted into the terminal insertion hole 39b from the gap 39a of the core 39.

Then, the PC board 34 is inserted into the PC board insertion groove 35.
b, 35c, and the lower end 34d is inserted into the lower groove 35.
Insert in d. At this time, the cord 53 is located in front of the PC board 34. Then, the core 39 is inserted into the notch 34e of the PC board 34, and the magnetoelectric conversion element 38 is inserted into the core 39.
Is inserted into the gap 39a.

In this way, the core insertion hole 55 is formed in the terminal portion 32.
Is provided, and the core 39 is housed in the core insertion hole 55 so that the PC
Since the core 39 is fixed in the terminal portion 32 by inserting the plate 34, the number of parts can be reduced as in the above-described embodiment, and therefore the efficiency of the assembling work can be improved. The cost can also be reduced. Further, since the space for mounting the core as in the conventional case is not necessary, the size of the device itself can be reduced.

Further, a cutout 34f for mounting an element of the PC board 34
The core insertion hole 55 is formed in the middle of the lower groove 35d of the terminal portion 32 with the magnetoelectric conversion element 38 interposed therebetween.
Since the gap 39a can be inserted upward in the state in which the core 39 is perpendicular to the lower groove 35a in FIG. 5, if the lower end of the PC board 34 is inserted into the lower groove 35d, the core 39 The magnetoelectric conversion element 38 is provided between the gap 39a.
Is positioned. This facilitates the positioning of the magnetoelectric conversion element 38, thus improving the efficiency of assembly work.

Further, the side frame 33 of the apparatus main body 31
b and 33c are provided with name plate insertion grooves 37b and 37c and PC plate insertion grooves 35b and 35c, and the name plate 36 and the PC plate 34 are inserted along these insertion grooves 37b ... The number of parts can be reduced, and therefore, the assembly work efficiency can be improved and the cost can be reduced.

Further, since the terminal portion 32 and the component storage portion 33 are integrally formed, the number of components can be reduced as in the above embodiment. As a result, the assembly work efficiency can be improved and the cost can be reduced.

Next, another embodiment in which the present invention is applied to an electricity meter will be described with reference to FIGS. The same parts as those shown in FIG. 1 are designated by the same reference numerals, and detailed description thereof will be omitted.

FIG. 10 is an assembly perspective view showing the external structure of the main part of this embodiment, and 56 is a core insertion hole. Unlike the electricity meter shown in FIG. 1, the core insertion hole 56 is formed on the inner surface of the rear frame 33a. A guide groove 57 for guiding the magnetoelectric conversion element 38 to the gap 39a of the core 39 is formed above the core insertion hole 56.

In the rear frame 33a, a cord insertion hole 58 smaller than the core insertion hole 56 is formed substantially in the center of the core insertion hole 56, and the rear portion is provided separately from the cord insertion hole 58. A cord insertion hole 59 that penetrates the frame 33a is formed.

The side frames 33b and 33c have P
The rear surfaces of the C plate mounting grooves 35b and 35c are the rear frame 33a.
Is formed so as to be flush with the inner surface of the. Above P
As shown in FIG. 11 (a), the C plate 34 has a cord insertion hole 6 facing the cord insertion holes 58 and 59 therebelow.
0 is formed. Further, as shown in FIG. 2B, the PC plate 34 is located at the upper end of the cord insertion hole 60 at a position where the magnetoelectric conversion element 38 faces the gap 39 a of the core 39, and is located rearward from the PC plate 34. It is installed protruding.

The terminal fitting 1 attached to the terminal portion 32
4, 15 and the terminal holes 12a, 12b, 13 have the same structure as in FIG. In this embodiment having such a configuration, when assembling the watthour meter, the core 39 is first inserted into the core insertion hole 56 with the gap 39a thereof facing upward. Then, the PC board 34 is attached to the PC board insertion grooves 35b and 35c.
The lower end 34d is inserted into the lower groove 35d.

Then, the magnetoelectric conversion element 38 of the PC board 34 is
Is guided by the guide groove 57 of the rear frame 33a,
It is inserted into the gap 39a of the core 39. Also, core 3
9 is fixed.

Next, the convex terminals 14a and 15a of the side terminal fittings 14 and 15 are electrically connected by the cord 53. At this time, the cord 53 is moved from the convex terminal 14a to the PC board 3
4, the cord insertion hole 60, the core 39 terminal insertion hole 39a,
The rear frame 33a is penetrated through the cord insertion hole 58, and is connected to the convex terminal 15a through the cord insertion hole 59 and the cord insertion hole 59 of the PC board 34.

In this way, the core insertion hole 56 is formed on the inner surface of the rear frame 33a, and the core 3 is inserted into the core insertion hole 56.
9 is accommodated and the PC board 34 is inserted and attached, so that the core 3
Since 9 is fixed to the inner surface of the rear frame 33a, it is possible to reduce the number of parts as in the above-described embodiment, and therefore, it is possible to improve the efficiency in assembling work and also reduce the cost. Further, since the space for mounting the core as in the conventional case is not necessary, the size of the device itself can be reduced.

Further, since the magnetoelectric conversion element 38 is inserted into the PC plate 34 so as to project to the rear of the PC plate 34 and the guide groove 57 is formed above the core insertion hole 56, the PC plate 34 is inserted into the PC plate insertion grooves 35b and 35c. If it is inserted along the
Are positioned in the gap 39a of the core 39 along the guide groove 57. This facilitates the positioning of the magnetoelectric conversion element 38, thus improving the efficiency of assembly work.

Further, since the cord insertion holes 58 and 59 are formed in the rear frame 33a and the cord insertion hole 59 is also formed in the PC board 34, the cord 53 is attached to the rear frame 33a when the cord 53 is wired. Since the cord 53 can be penetrated, the cord 53 can be easily penetrated through the core 39.

Further, the side frame 33 of the apparatus main body 31
b and 33c are provided with name plate insertion grooves 37b and 37c and PC plate insertion grooves 35b and 35c, and the name plate 36 and the PC plate 34 are inserted along these insertion grooves 37b. The number of parts can be reduced, and therefore, the assembly work efficiency can be improved and the cost can be reduced.

Further, since the terminal portion 32 and the component storage portion 33 are integrally formed, the number of components can be reduced as in the above embodiment. As a result, the assembly work efficiency can be improved and the cost can be reduced.

Next, another embodiment in which the present invention is applied to a coulometer will be described with reference to FIG. The same parts as those in the above embodiment are designated by the same reference numerals and detailed description thereof will be omitted.

FIG. 12 is an assembled perspective view showing an external configuration of the main part of this embodiment. The difference from the above embodiment is that the terminal portion 32 is provided.
The component storage part 33 is a separate body, the core storage part 61 is formed in the lower part of the component storage part 33, and the core 39 is interposed between the terminal surface of the terminal part 32 and the lower surface of the component storage part 33.

Specifically, in the lower part of the parts storage section 33,
A terminal portion connection frame 62 having flange portions 62b and 62c protruding on both sides of the end portions frames 33b and 33c is formed, and these flange portions 62b and 62c are connected to the terminal portion 32.
It is designed to be screwed to both ends of the terminal surface.

In this terminal portion connection frame 62, a core accommodating portion 61 is formed which projects above the upper surface of the terminal portion connection frame 62 and conforms to the shape of the core 39. The core accommodating portion 61 faces the convex terminal 14 a of the terminal portion 32. In addition, the gap 6 is provided at the rear of the core housing 61.
1a is provided, and a terminal hole 61b penetrating the terminal part connection frame 62 is provided at substantially the center.

In this embodiment having such a structure, when assembling the watt hour meter, the component housing portion 33 is first attached to the terminal surface of the terminal portion 32 from above. At this time, the core 39
The gap 39a is directed rearward, and is sandwiched between the terminal portion 32 and the component storage portion 33 while facing the core storage portion 61. Then, the core 39 is housed in the core housing 61 and fixed.

At this time, the convex terminal 14a of the terminal portion 32 is inserted into the terminal hole 61b from below. Then, one end of the cord 53 is connected to the convex terminal 14a of the side terminal fitting 14 from above through the terminal insertion hole 39b of the core 39 with solder or the like, and the other end of the cord 53 is protruded from the side terminal fitting 15. It is electrically connected to the terminal 15a with solder or the like.

Subsequently, the PC board 34 is attached to the PC board insertion groove 35.
b, 35c, and the lower end 34d is inserted into the lower groove 35.
Insert in d. As a result, the magnetoelectric conversion element 38 is inserted into the gap 61a of the core housing 61.

As described above, since the core 39 is formed in the terminal connection frame 62 of the component storage 33 so that the core 39 can be inserted from below, the core is stored in the core storage 61 and the terminal connection is made. By attaching the frame 62 to the terminal portion 32, the core can be fixed by the terminal surface of the terminal portion 32 and the core housing portion 61. As a result, similarly to the above-described embodiment, the number of parts can be reduced, so that the efficiency of assembly work can be improved and the cost can be reduced.

Further, the core accommodating portion 61 is provided in front of the lower groove 35d into which the PC board 34 is inserted, and on the front surface of the PC board 34 so as to face the gap 39a of the core 39,
Since the magnetoelectric conversion element 38 is inserted by projecting forward from the PC plate 34 and the core 39 is inserted into the core housing portion 61 with its gap 39a facing rearward, the lower end of the PC plate 34 is placed in the lower groove 3
5d, the magnetoelectric conversion element 38 is inserted between the gap 39a of the core 39 and the gap 39a of the core 39 via the gap 61a of the core housing 61.
Is positioned. This facilitates the positioning of the magnetoelectric conversion element 38, thus improving the efficiency of assembly work.

Further, the core housing 61 is provided with the side terminal holes 12a.
Since it is provided above the core,
When 9 is accommodated, the convex terminal 14a of the side terminal fitting 14 is inserted into the terminal insertion hole 39b of the core 39 through the terminal insertion hole 61b of the core accommodating portion 61, so that one end of the cord 53 is inserted into the convex terminal 14a. The cord 53 can be passed through the terminal insertion hole 39b of the core 39 simply by connecting with solder or the like. As a result, the work of penetrating the cord into the core unlike the prior art is unnecessary, and therefore the efficiency of the assembling work can be improved.

In addition, the side frame 33 of the apparatus main body 31
b and 33c are provided with name plate insertion grooves 37b and 37c and PC plate insertion grooves 35b and 35c, and the name plate 36 and the PC plate 34 are inserted along these insertion grooves 37b ... The number of parts can be reduced, and therefore, the assembly work efficiency can be improved and the cost can be reduced.

Next, another embodiment in which the present invention is applied to an electric quantity meter will be described with reference to FIG. The same parts as those in the above embodiment are designated by the same reference numerals and detailed description thereof will be omitted.

FIG. 13 is an assembly perspective view showing the external configuration of the main part of this embodiment. The difference from the watt hour meter shown in FIG.
The core accommodating portion 61 and the terminal portion connecting frame 62 are formed as separate bodies, and the core accommodating portion 61 is inserted from above the terminal portion connecting frame 62.
Is attached and the core 39 is fixed by the terminal connecting frame 62 and the core housing 61.

Specifically, the core housing portion 61 is the core 3
9 is formed in the same shape, and claw portions 61c ... Are formed in the lower corner portion of the core storage portion 61. This claw 61c ...
Penetrates to the lower side of the terminal portion connection frame 62.

In the present embodiment having such a structure, when assembling the watt-hour meter, the core 39 is first housed in the core housing 61, and then the core housing 61 is attached to the terminal connection frame 62. That is, the claw portions 61c of the core housing portion 61 are penetrated through the terminal portion connection frame 62, and the portion protruding downward from the terminal portion connection frame 62 is bent. Thereby, the core is fixed.

Subsequently, the component housing portion 33 is attached to the terminal surface of the terminal portion 32 from above, and the PC board 34 is inserted along the PC board insertion grooves 35b and 35c, and the lower end 34d thereof is formed.
Is inserted into the lower groove 35d.

At this time, the gap portion 6 of the core housing portion 61
The magnetoelectric conversion element 38 is inserted into 1a, and the convex terminal 14a of the terminal portion 32 is inserted into the terminal hole 61b from below.

The convex terminal 1 of the side terminal fitting 14 is
4a is connected from above through the terminal insertion hole 39b of the core 39 to one end of the cord 53 with solder or the like, and the cord 5
The other end of 3 is electrically connected to the convex terminal 15a of the side terminal fitting 15 by soldering or the like.

If the core housing 61 is made of metal, it also serves as a magnetic shield for the core 39. In this way, the core housing 61 is attached from above the terminal connecting frame 62, the core 39 is housed in the core housing 61, and the core 39 is fixed by the terminal connecting frame 62 and the core housing 61. Therefore, as in the above-described embodiment, the number of parts can be reduced, so that the efficiency in assembly work can be improved and the cost can be reduced.

Further, the core accommodating portion 61 is provided in front of the lower groove 35d into which the PC board 34 is inserted, and on the front surface of the PC board 34 so as to face the gap 39a of the core 39,
Since the magnetoelectric conversion element 38 is inserted by projecting forward from the PC plate 34 and the core 39 is inserted into the core housing portion 61 with its gap 39a facing rearward, as in the above embodiment, the PC
If the lower end of the plate 34 is inserted into the lower groove 35d, the core storage portion 6
The gap 39a of the core 39 through the gap 61a of 1
The magnetoelectric conversion element 38 is positioned therebetween. This allows
Positioning of the magnetoelectric conversion element 38 is facilitated, and therefore, efficiency in assembly work can be improved.

Further, the core housing 61 is provided with the side terminal hole 12a.
Since it is provided above the core,
When 9 is accommodated, the convex terminal 14a of the side terminal fitting 14 is inserted into the terminal insertion hole 39b of the core 39 through the terminal insertion hole 61b of the core accommodating portion 61, so that one end of the cord 53 is inserted into the convex terminal 14a. The cord 53 can be passed through the terminal insertion hole 39b of the core 39 simply by connecting with solder or the like. As a result, the work of penetrating the cord into the core unlike the prior art is unnecessary, and therefore the efficiency of the assembling work can be improved.

Further, the side frame 33 of the apparatus main body 31
b and 33c are provided with name plate insertion grooves 37b and 37c and PC plate insertion grooves 35b and 35c, and the name plate 36 and the PC plate 34 are inserted along these insertion grooves 37b ... The number of parts can be reduced, and therefore, the assembly work efficiency can be improved and the cost can be reduced.

Next, another embodiment in which the present invention is applied to an electricity meter will be described with reference to FIG. The same parts as those in the above embodiment are designated by the same reference numerals and detailed description thereof will be omitted.

FIG. 14 is an assembly perspective view showing the external structure of the main part of this embodiment. The difference from the other embodiments is that instead of providing the name plate mounting groove on the side frames 33b and 33c, name plate engaging claws 65 ... Are provided as engaging claws, and the name plate 36 is attached by the name plate engaging claws 65. Is.

Specifically, this side frame 33b, 3
Name plate engaging claws 65 ... Are provided at the upper end and the lower end of the front surface of 3c. The name plate engaging claws 65 ... Project forward from the front surfaces of the side frames 33b and 33c.

As shown in FIG. 15, the nameplate engaging claw 65 is provided continuously with the protruding portion 65a at the tip and the base end of the protruding portion 65a, and the biasing portion 65b formed to be thinner than the protruding portion 65a.
It consists of Further, the name plate engaging claw 65 has a groove 65c formed from its base end to its tip. As a result, the protrusion 65a can be freely shredded, and can be restored to its original state by the biasing portion.

A hooking claw 65d is formed on the base end side of the projecting portion 65a of the nameplate engaging claw 65, and the hooking claw 65d is adapted to be hooked on the front surface of the nameplate 36. In this embodiment having such a configuration, when the name plate 36 is attached to the component storage portion 33, the engagement hole 66 of the name plate 36 is inserted into the name plate engagement claws 65 of the side frames 33b and 33c. At this time, the protruding portion 65a of the nameplate engaging claw 65 abuts against the edge portion of the engaging hole 66 of the nameplate 36 and is pressed to be narrowed. Then, when the hooking claw 65d of the protrusion 65a penetrates the nameplate 36, the nameplate engaging claw 65 returns to the original state by the urging force of the urging portion 65b, and the hooking claw 65d is hooked on the front surface of the nameplate 36. As a result, the nameplate 36 is attached to the side frame 33b,
It is fixed to 33c.

In this way, the side frames 33b, 33c
The name plate engaging claw 65 is provided on the front surface of the
The engaging holes 66 are provided at the corner portions of the side frame 33 and the engaging holes 66 are engaged with the name plate engaging claws 65.
Since the nameplate 36 is fixed to, the screws for attaching the nameplate are unnecessary. As a result, the number of parts can be reduced, and therefore the efficiency of assembly work can be improved and the cost can be reduced.

In the above embodiment, the electric quantity measuring device is applied to the watt hour meter, but the electric quantity measuring device is not limited to this, and may be applied to various electric quantity measuring devices. . In this case, the nameplate is not always necessary.

Further, the cover in the above embodiment is shown in FIG.
As shown in FIG. 6, the electric quantity measuring device is applied to a watt hour meter, but the electric quantity measuring device is not limited to this, and may be applied to various electric quantity measuring devices. In this case, the nameplate is not always necessary.

[0119]

As described in detail above, according to the invention corresponding to claim 1, the side edge of the plate-like component such as the substrate or the name plate is inserted and the side insertion groove for fixing is provided on the inner side surface. By
It eliminates the need for screws, posts, etc. for attaching the board and nameplate as in the past. As a result, the number of parts can be reduced, and therefore the efficiency of assembly work can be improved and the cost can be reduced.

According to the second aspect of the invention, the nameplate is fixed to the component storage section by fixing the nameplate to the component storage section by engaging the engaging claw on the front surface of the component storage section with the engaging hole of the nameplate. Screws for mounting are unnecessary. As a result, the number of parts can be reduced in the same manner as described above, and therefore, the assembly work efficiency can be improved and the cost can be reduced.

According to the invention corresponding to claim 3, a core insertion hole is provided in the terminal portion, the core is accommodated in the core insertion hole, and the lower edge portion of the plate-like component of the lower insertion groove is inserted. Since the core is fixed by this plate-shaped component and the core insertion hole, a core case for fixing the core is unnecessary, and screws for mounting the core are also unnecessary. This allows
The number of parts can be reduced, and therefore the efficiency of assembly work can be improved and the cost can be reduced. Further, since the space for mounting the core as in the conventional case is not necessary, the size of the device itself can be reduced.

According to the invention according to claim 4, when the core and the plate-shaped component are inserted into the main body of the apparatus, the terminal hole of the terminal portion is inserted through the terminal insertion hole of the core and the notch of the plate-shaped component. Since they are communicated with each other, there is no need for a conventional cord that penetrates the core, and the number of parts can be reduced. Further, the work of penetrating the core and wiring the cord is not necessary, and the efficiency of the assembling work can be improved.

Further, according to the invention of claim 5, the tip of the terminal of the terminal portion is inserted into the hole of the core by inserting the core into the core accommodating hole.
The cord can be passed through the hole of the core simply by connecting one end of 3. As a result, the work of penetrating the cord into the core unlike the prior art is unnecessary, and therefore the efficiency of the assembling work can be improved.

According to the invention according to claim 6, since the core is inserted and fixed in the core accommodating portion of the connection surface of the component accommodating portion, the core case for fixing the core is not required,
There is no need for screws to attach this. As a result, the number of parts can be reduced, and therefore the efficiency in assembling work can be improved and the cost can be reduced. Further, since the space for mounting the core as in the conventional case is not necessary, the size of the device itself can be reduced.

[Brief description of drawings]

FIG. 1 is an assembled perspective view showing a schematic configuration of an embodiment of the present invention.

FIG. 2 is an assembled perspective view showing an outline of a configuration of a rear portion of the terminal portion shown in FIG.

FIG. 3 is an assembled perspective view showing a schematic configuration of another embodiment of the present invention.

FIG. 4 is a diagram for explaining the operation of inserting the core and the PC board in the present embodiment.

FIG. 5 is an assembled perspective view showing a schematic configuration of another embodiment of the present invention.

FIG. 6 is a diagram for explaining the operation when inserting the core and the PC board in the present embodiment.

FIG. 7 is an assembled perspective view showing a schematic configuration of another embodiment of the present invention.

FIG. 8 is a diagram illustrating wiring of cords in the present embodiment.

9 is a diagram showing a cross section in the lateral direction near the core shown in FIG.

FIG. 10 is an assembly perspective view showing a schematic configuration of another embodiment of the present invention.

11 is a diagram illustrating the configuration of the PC board shown in FIG.

FIG. 12 is an assembled perspective view showing a schematic configuration of another embodiment of the present invention.

FIG. 13 is an assembled perspective view showing a schematic configuration of another embodiment of the present invention.

FIG. 14 is an assembled perspective view showing a schematic configuration of another embodiment of the present invention.

15 is a cross-sectional view showing the structure of the nameplate engaging claw shown in FIG.

FIG. 16 is a view for explaining a modified example of the cover of the electric quantity measuring device according to the present invention.

FIG. 17 is a sectional view showing a schematic configuration of a conventional electric quantity measuring device.

FIG. 18 is a perspective view showing a schematic configuration of a terminal portion shown in FIG.

[Explanation of symbols]

 12a ... Side terminal hole 14a ... Convex terminal 31 ... Device body 32 ... Terminal part 33 ... Component storage part 34 ... PC plate 35b, 35c ... PC plate insertion groove 35d ... Lower groove 36 ... Name plate 37b, 37c ... Name plate insertion groove 39 ... Core 39b ... Terminal insertion hole 41, 51, 55, 56 ... Core accommodation hole 61 ... Core accommodation part 62 ... Terminal part connection frame 65 ... Name plate engaging claw

Claims (6)

[Claims] 1. A device main body, a terminal portion for connecting a cord or the like from the outside, and an electronic component connected to the terminal portion for measuring the amount of electricity supplied from the terminal via the cord or the like. In the electric quantity measuring device including a component storage unit for storing the components, the device body integrally forms the terminal unit and the component storage unit, and the component storage unit is a board on which the electronic component is mounted, An electric quantity measuring device characterized in that a side portion insertion groove for inserting a side edge of a plate-shaped component such as a nameplate is provided on an inner surface of the side portion. 2. The component storage portion according to claim 1, wherein an engaging claw protruding forward from this surface is provided on a front surface thereof, and a name plate is provided with an engaging hole for engaging the engaging claw. An electric quantity measuring device. 3. The device main body is provided with a terminal portion for connecting a cord or the like from the outside, and is connected to this terminal portion, and the amount of electricity supplied from this terminal through the cord or the like is stored in an annular core. In an electrical quantity measuring device having a component storage unit for storing electronic components and the like for measurement via, the device body,
The terminal portion and the component storage portion are integrally formed, and the component storage portion is provided with a side portion insertion groove into which a side edge of the plate-shaped component is inserted from above the apparatus body, and the terminal portion is ,
A lower insertion groove that is provided on one end side thereof and that inserts a lower edge portion of the plate-shaped component inserted along the side insertion groove,
A core accommodating hole continuously provided in front of the lower insertion groove and capable of accommodating the core, and fixing the core between the core accommodating hole and the plate-shaped component. Quantity measuring device. 4. The terminal part according to claim 3 is provided with a terminal hole penetrating through the front and rear thereof and into which a terminal to be inserted into the hole of the core can be inserted, and the core accommodating hole directs the hole of the core in the front-rear direction. Is formed so that it can be stored in the terminal portion, and is provided in the middle of the terminal hole of the terminal portion, the board has a notch facing the hole of the core at a lower edge portion thereof, and the hole of the core and the notch of the board. An electric quantity measuring device characterized in that the terminal holes are communicated with each other via a. 5. The terminal portion according to claim 3, wherein
A terminal with a tip protruding upward is detachably provided, and a core storage hole is provided above the terminal of the terminal portion so that the core can be stored with the hole facing upward, and the core is provided in the core storage hole. The electrical quantity measuring device, wherein the terminal is inserted into the hole of the core by housing the terminal in the hole. 6. The apparatus main body is provided with a terminal portion for connecting a cord or the like from the outside, and is connected to this terminal portion, and the amount of electricity supplied from the terminal portion through the cord or the like is an annular core. In the electrical quantity measuring device including a component storage unit that stores electronic components and the like for measurement via the device body, the device main body is provided with a plate-shaped connecting member provided below the component storage unit. A configuration in which the terminal portion is attached, the terminal portion is detachably provided with a terminal whose tip projects upward, and the component storage portion is provided at a position of the connecting member facing the terminal. An electric quantity measuring device, characterized in that a core housing portion capable of housing the core with its hole facing upward is provided, and the core is fixed to a connecting member.