TWM567855U - Insulating piezoelectric body assembly - Google Patents

Abstract

An insulating piezoelectric body assembly comprising a piezoelectric ceramic body, a conductive contact plug, a conductive disk and an insulating sleeve, wherein the piezoelectric ceramic body is provided with a positive silver plating surface and a negative silver plating surface, and the piezoelectric ceramic outer circumference An un-silvered surface is retained; the conductive contact plug has a conductive wafer connected to the conductive rod body, and the conductive wafer is fixed to the silver plated surface of the positive electrode; the conductive plate is fixed to the silver plated surface of the negative electrode to form an electrical connection state; The accommodating space of the insulating sleeve is sleeved around the piezoelectric ceramic body, the conductive contact plug and the outer circumference of the conductive disk, and the conductive rod body protrudes from the through hole of the insulating sleeve, and the conductive disk faces the sleeve opening, thereby effectively protecting the piezoelectric ceramic body The piezoelectric ceramic body generates a current signal output under the impact pressure of the conductive contact plug.

Description

Insulating piezoelectric body assembly

The present invention relates to an insulating piezoelectric body assembly, and more particularly to an insulating piezoelectric body assembly for a fuse detonating assembly.

According to the general structure of the projectile, the most conventional projectile is taken as an example. The front end is the hood, which is used to improve the flight characteristics of the projectile, resist the impact of wind and rain on the ballistics, improve the impact angle of the projectile, and increase the reliability; then the fuze, The projectile and the fuse detonating component, followed by the cartridge, the cylinder is usually made of copper or steel into a cylindrical shape, and the projectile is loaded with the propellant, the bottom of the cartridge is the bottom fire, and some of the shells have the missile for controlling the flight at the back. wing.

Most of the current fuse detonating components use piezoelectric crystals or mechanical switches. When the projectile hits the target, the piezoelectric crystal or mechanical switch outputs a signal to the circuit device of the fuze detonating component to control the fuze to detonate. However, the existing piezoelectric crystal combination lacks a complete protective structure, which may result in the piezoelectric crystal not functioning stably or losing its effect. Therefore, how to solve the above problems is the subject of research that the relevant industry players are eager to study.

The main purpose of this creation is to use the insulating sleeve to be sleeved around the piezoelectric pottery. The porcelain body, the conductive contact plug and the outer circumference of the conductive plate, and the conductive rod body protrudes from the through hole of the insulating sleeve, and the conductive plate faces the sleeve opening, which can effectively protect the piezoelectric ceramic body and cause the piezoelectric ceramic body to be impacted by the conductive contact plug Current signal output is generated under pressure to achieve precise actuation and avoid malfunction.

In order to achieve the above object, the insulating piezoelectric body assembly of the present invention comprises a piezoelectric ceramic body, a conductive contact plug, a conductive disk and an insulating sleeve, wherein: the piezoelectric ceramic body is a circular plate body. The piezoelectric ceramic body is provided with a circular concentric opposite one of the positive silver plating surface and a negative silver plating surface, and the piezoelectric ceramic body retains an unplated surface on the outer surface of the positive silver plating surface and the negative silver plating surface; The contact plug has a conductive disc, and a conductive rod body is extended outwardly from the center of the conductive wafer, and the outer diameter of the conductive wafer is matched with the silver plated surface of the positive electrode of the piezoelectric ceramic body, and is fixed by welding to the silver plated surface of the positive electrode. Electrically connected state; the conductive disk is set as a circular sheet, and the outer diameter of the conductive plate is matched with the silver plated surface of the negative electrode of the piezoelectric ceramic body, and is electrically fixed to the silver plated surface of the negative electrode to form an electrical connection state; the inside of the insulating sleeve An accommodating space is provided, and one side of the insulating sleeve is provided with a through hole corresponding to the accommodating space and a corresponding sleeve opening; and the accommodating space of the insulating sleeve is sleeved around the piezoelectric ceramic body and the conductive contact plug With the outer circumference of the conductive disk, A conductive rod extending in the perforation of the insulating sheath, and the conductive plate toward the opposite sleeve opening.

The foregoing insulating piezoelectric body assembly, wherein the conductive contact plug has a silver plated surface.

The foregoing insulating piezoelectric body assembly, wherein the conductive disk has a silver plated surface.

In the above-mentioned insulating piezoelectric body assembly, wherein the insulating sleeve is set as a rubber body, and the aperture of the sleeve opening is smaller than the diameter of the conductive disk.

In the above-mentioned insulating piezoelectric body assembly, the sleeve opening is formed in a tapered hole shape.

1‧‧‧ Piezoelectric ceramic body

11‧‧‧Circular body

12‧‧‧ positive silver plated surface

13‧‧‧ Negative silver plated surface

14‧‧‧Unsilvered surface

2‧‧‧Electrical contact plugs

21‧‧‧ Conductive wafer

22‧‧‧ Conductive rod body

3‧‧‧ Conductive disk

31‧‧‧ Round flakes

4‧‧‧Insulation sleeve

41‧‧‧Rubber body

42‧‧‧ accommodating space

43‧‧‧Perforation

44‧‧‧Setting opening

The first figure is a three-dimensional appearance of the insulating piezoelectric body assembly of the present embodiment (1).

The second figure is a three-dimensional appearance of the insulating piezoelectric body assembly of the present embodiment (2).

The third figure is an exploded view (I) of the insulating piezoelectric body assembly of the present embodiment.

The fourth figure is an exploded view of the insulating piezoelectric body assembly of the present embodiment (2).

The fifth drawing is a cross-sectional view of the insulating piezoelectric body assembly of the present embodiment.

The sixth figure is a three-dimensional appearance of the piezoelectric ceramic body, the conductive contact plug and the conductive disk in the present embodiment (1).

The seventh figure is a three-dimensional appearance of the piezoelectric ceramic body, the conductive contact plug and the conductive disk in the present embodiment (2).

For the purpose of achieving the above objectives, the technical means and its efficacy, the following is a description of the possible embodiments, and the following description is given as follows: First, please refer to the first to seventh figures, which can be clearly seen from the figure. It can be seen that the insulating piezoelectric body assembly of the present invention is suitable for use in a fuse detonating assembly, which comprises a piezoelectric ceramic body 1, a conductive contact plug 2, a conductive plate 3 and an insulating sleeve. 4, wherein: the piezoelectric ceramic body 1 is a circular plate body 11, and the piezoelectric ceramic body 1 is provided with a circular concentric opposite one of the positive silver plating surface 12, a negative silver plating surface 13, and a piezoelectric ceramic The body 1 has an unplated surface 14 on the outer periphery of the positive silver plating surface 12 and the negative silver plating surface 13.

The conductive contact plug 2 has a conductive wafer 21, and a conductive rod body 22 is integrally connected to the center of the conductive wafer 21, and the conductive circle of the conductive contact plug 2 The outer surface of the sheet 21 and the conductive rod body 22 can be set as a silver-plated surface, and the outer diameter of the conductive wafer 21 is matched with the positive silver-plated surface 12 of the piezoelectric ceramic body 1, and is fixed by welding to the silver-plated surface of the positive electrode 12 to form electricity. Sexual connection status.

The conductive disk 3 is set as a circular sheet 31, and the outer surface of the conductive disk 3 can be a silver-plated surface, and the outer diameter of the conductive disk 3 is matched with the negative silver plated surface 13 of the piezoelectric ceramic body 1 to be soldered and fixed. The negative silver plating surface 13 is electrically connected.

The insulating sleeve 4 is provided with a rubber body 41. An accommodating space 42 is disposed inside the insulating sleeve 4, and a through hole 43 and a corresponding sleeve opening 44 are formed on the two sides of the insulating sleeve 4. The opening 44 is formed in a tapered hole shape, and the diameter of the sleeve opening 44 is smaller than the diameter of the conductive disk 3.

By the above, the accommodating space 42 of the insulating sleeve 4 is sleeved around the outer periphery of the piezoelectric ceramic body 1, the conductive contact plug 2 and the conductive pad 3, and the conductive rod body 22 protrudes from the through hole 43 of the insulating sleeve 4, and the conductive disk 3 facing the sleeve opening 44, the piezoelectric ceramic body 1 can be effectively protected by the insulating sleeve 4, and the piezoelectric ceramic body 1 generates a current signal output under the impact pressure of the conductive contact plug 2, and then via the conductive contact plug 2 and the conductive disk 3 The circuit device (not shown) transmitted to the fuse detonating component controls the fuze to detonate, and achieves an accurate actuation function and avoids malfunction.

The above embodiments are only used to facilitate the description of the present invention, and are not intended to be limiting, and all kinds of simple changes and modifications that can be made by those skilled in the art without departing from the spirit of the present invention should still be included in the following patent applications. In the scope.

Claims (5)

An insulating piezoelectric body assembly comprising a piezoelectric ceramic body, a conductive contact plug, a conductive disk and an insulating sleeve, wherein: the piezoelectric ceramic body is a circular plate body, and the piezoelectric ceramic body is provided on both sides There is a circular concentric opposite one of the positive silver plating surface and a negative silver plating surface, and the piezoelectric ceramic body retains an unplated surface on the positive silver plating surface and the negative silver plating surface; the conductive contact plug has a conductive wafer a conductive rod body is extended outwardly from the center of the conductive wafer, and an outer diameter of the conductive wafer is matched with a silver plated surface of the positive electrode of the piezoelectric ceramic body, and is electrically connected to the silver plated surface of the positive electrode to form an electrical connection state; The disk is set as a circular sheet, and the outer diameter of the conductive plate is matched with the silver plated surface of the negative electrode of the piezoelectric ceramic body, and is electrically connected to the silver plated surface of the negative electrode to form an electrical connection state; the insulating sleeve is provided with an accommodating space and insulation. One side of the sleeve is provided with a through hole corresponding to one of the accommodating spaces and an opposite sleeve opening; by which the accommodating space of the insulating sleeve is sleeved around the piezoelectric ceramic body, the conductive contact plug and the outer circumference of the conductive disk, and is electrically conductive The pole sticks out Sets of perforations, and the conductive plate toward the opposite sleeve opening. The insulating piezoelectric body assembly of claim 1, wherein the conductive contact plug has a silver plated surface. The insulating piezoelectric body assembly of claim 1, wherein the conductive disk has a silver plated surface. The insulating piezoelectric body assembly of claim 1, wherein the insulating sleeve is a rubber body, and the aperture of the sleeve opening is smaller than the diameter of the conductive disk. The insulating piezoelectric body assembly of claim 4, wherein the sleeve opening is formed in a tapered hole shape.