JPH04116122U - capacitor - Google Patents

Abstract

(57) [Summary] [Purpose] In capacitors used for power factor improvement in electric power, when storing and fixing the capacitor assembly in an external case, a heat dissipation space is created between the inner wall of the case and the capacitor assembly. will be established. [Structure] Capacitor assembly element 1 and rod 2 having a threaded part
is fixed in at least one place, one side of the position fixing rod 2 is made shorter than the inside dimension of the case, and a nut 3 having a length longer than that gap is screwed into the gap between the case inner wall and the rod. Then, rotate this nut 3 to extend the length of the rod 2, and bring it into contact with the inner wall to fix the position of the capacitor assembly element. With this configuration, a heat dissipation space can be efficiently formed between the completely fixed position of the capacitor assembly and the exterior case 4.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

It is constructed by assembling multiple capacitor elements mainly used to improve the power factor related to electric power. Concerning capacitors.

0002

[Conventional technology]

Conventionally, this type of capacitor was assembled into a capacitor group as shown in Figures 5 (A) and (B). In order to put the element body 11 into the outer case 12 and fix the position, the capacitor assembly element body 11 is Either the capacitor assembly element 1 should be designed to have a size that fits closely to the inner wall of the case 12, or the capacitor aggregate element 1 It was necessary to design the dimensions of the outer case 12 according to the dimensions of the case 1. like this The structure is designed so that there is no gap between the capacitor assembly element 11 and the case inner wall 12. The problem was that high-precision assembly technology was required.

0003 Furthermore, if the opening 14 of the exterior case 13 is provided on the side as shown in FIG. The density assembly element 11 is tied to the metal fitting 15 attached to the outer case 13 with a string 16. It was fixed by doing this. In such a configuration, it is difficult to suppress lateral positional displacement. Although it can be done, it is weak against vertical positional deviation and is completely a capacitor aggregate element. 11 was difficult to fix.

0004

[Problem that the idea aims to solve]

To fix the capacitor assembly element 11 within the outer case 12, the outer case 12 is In the conventional method of fixing by filling the gap between the inner wall of the capacitor assembly 11 and the capacitor assembly element 11, It is not possible to provide a space between the capacitor assembly element 11 and the inner wall of the outer case. . Such a configuration is not suitable for dissipating heat from the capacitor assembly 11. It is a structure. Furthermore, due to the short distance between grounds, the design takes safety into consideration. is not.

[0005] Furthermore, in the design of the exterior case 12 and the capacitor assembly element 11, either There is a constraint that the other must be designed based on one. Besides, Conde By eliminating the gap between the capacitor assembly element 11 and the inner wall of the outer case 12, the capacitor assembly element In order to prevent the body 11 from moving within the outer case 12, a considerably high precision is required. It requires several assembly techniques and assembly times, and requires superior quality component materials.

[0006] This invention solves these problems by connecting the inner wall of the outer case and the capacitor assembly. The capacitor assembly element moves within the outer case while maintaining a gap with the element body. The purpose is to provide a capacitor that can completely suppress .

[0007]

[Means to solve the problem]

This invention creates a space between the inner wall of the outer case and the capacitor assembly. At least one bar made of metal or insulating material having the same portion is attached to the capacitor assembly. By penetrating the bar and supporting it by touching both ends of the bar against the inner surface of the outer case. Therefore, the position of the capacitor assembly element is fixed inside the outer case, and the capacitor assembly is In order to suppress wobbling and rattling of the aggregated body, use a bar shorter than the internal dimensions. Insert a nut with a length longer than that gap into the gap between the inner wall of the case and the bar. Screw it into the threaded part of the bar, adjust the length of the bar, fix the capacitor assembly, and then The fixation was completed by soldering the nuts on both ends of the rear bar and the threaded part. .

[0008]

[Effect]

According to this configuration, a space is maintained between the capacitor assembly element and the outer case. This is an effective fixing method that does not cause displacement of the capacitor assembly element, and the outer case The design is based on either the capacitor assembly or the capacitor assembly element, and then the other is designed. It allows you to escape from constraints and eliminates the need for advanced assembly techniques, leading to improved work efficiency. Garu. In addition, the capacitor assembly element inside the case can be completely fixed in position. It also has an excellent configuration in terms of safety.

[0009]

【Example】

An embodiment of the capacitor of the present invention will be described below with reference to the drawings. Exterior case Prepare the base 4 and the capacitor assembly element 1, and assemble the capacitor assembly element as shown in Figure 1. Two iron rods 2 with threaded parts are passed through the outer case 1 as shown in Fig. 2. Store within 4.

0010 The length of the iron rod 2 that fixes the capacitor assembly is determined by the inner wall dimensions of the outer case 4. About 10mm shorter than that. Therefore, it is easy to insert the capacitor assembly 1 into the exterior case 4. It can be stored in.

[0011] After storing the capacitor assembly element 1 in the outer case 4, as shown in FIG. Rotate 3 to bring the nut into contact with the exterior inner wall and fix the capacitor assembly. In addition, the space between the capacitor assembly element 1 and the inner wall of the case 4 is significantly larger than before. It can be made wide and has an advantageous configuration in terms of heat dissipation from the capacitor.

0012 The above configuration was for a single capacitor assembly element, but in the case of multiple capacitor aggregates, As shown in Figure 5, two more iron rods are added to the capacitor assembly to create a capacitor. Fix the capacitor assembly element with a nut, and then attach the capacitor assembly element in the same manner as above. was fixed in position within the case.

[0013] The structure of this invention, which is fixed by tightening with nuts, allows the capacitor body to be easily mounted. It can be stored inside the case and is completely fixed inside the case. Fixed work efficiency also follows. It can be greatly improved compared to before.

[0014] In this way, according to the capacitor of the present invention, the inner wall of the case and the capacitor assembly There is sufficient space between the Additionally, within the case This results in a highly reliable capacitor that does not cause fluctuations.

[0015]

[Effect of the idea] As is clear from the description of the embodiments above, according to the present invention, the capacitor aggregate element When storing the body in the outer case, insert a rod with a threaded part into the capacitor assembly element. Penetrate it in at least one place and fix it. Make one side of the position fixing rod shorter than the internal dimensions of the case. After storing it, turn a nut with a length longer than that gap into the gap. Extend the rod and bring it into contact with the inner wall of the outer case. Solder the abutting part to fix it. This completely fixes the position of the capacitor assembly within the case. Furthermore, according to the fixing structure of the present invention, there is a gap between the inner wall of the outer case and the capacitor assembly element. It is possible to maintain a somewhat larger space for the capacitor, and the heat dissipation of the capacitor is improved compared to conventional Performance can be significantly improved. Also, if the capacitor assembly element is placed inside the case, Fixed work also improves work efficiency and improves quality. And in terms of design, the exterior It is possible to standardize the case or the capacitor assembly, It is possible to reduce costs and the number of parts.

[Brief explanation of drawings]

[Fig. 1] A perspective view showing a state in which a rod according to an embodiment of the present invention is penetrated into a capacitor assembly.

[Figure 2] A perspective view showing a state in which the capacitor assembly is fixed inside the same exterior case.

[Figure 3] Top view showing the state in which the capacitor assembly is fixed inside the same exterior case.

[Fig. 4] A perspective view showing a state in which a plurality of capacitor assembly elements are fixed.

[Fig. 5] (A) is a perspective view showing a state in which a capacitor assembly is housed in a conventional exterior case; (B) is a top view of the same;

[Fig. 6] Perspective view showing a conventional fixing structure

[Explanation of symbols]

1 Capacitor assembly element 2 sticks 3 Nut

Claims (2)

[Scope of utility model registration request] 1. A capacitor structure in which a plurality of capacitor elements are housed in an exterior case and fixed, wherein a bar is passed through at least one location of the capacitor aggregate, and the rod is fixed. A capacitor in which the capacitor assembly element is fixed within the outer case by abutting both ends of the material against the inner walls of the outer case facing each other. 2. One end of a rod having a threaded portion that is shorter than the distance between opposing inner walls of the outer case is brought into contact with the inner wall of the outer case, and a nut with a length that fills the gap is screwed into the other end,
2. The capacitor according to claim 1, wherein the length of the bar is extended by rotating the nut, and the bar is fixed in contact with the inner wall of the outer case.