CN206163221U

CN206163221U - Novel protective coat's multilayer piezo -resistor

Info

Publication number: CN206163221U
Application number: CN201621159329.3U
Authority: CN
Inventors: 付国勇; 邓凡举
Original assignee: Dongguan Bike Electronics Co Ltd
Current assignee: Dongguan Bike Electronics Co Ltd
Priority date: 2016-10-25
Filing date: 2016-10-25
Publication date: 2017-05-10
Anticipated expiration: 2026-10-25

Abstract

The utility model discloses a novel protective coat's multilayer piezo -resistor, including voltage dependent resistor substrate, two electrodes and two pins, this voltage dependent resistor substrate is including frame layer, based bulk layer and central core, based bulk layer's two surfaces equally divide do not be less than the frame layer two surfaces in order to be formed with annular storage tank, this two electrode inlays respectively in the annular storage tank who corresponds. Usually, adopt silicon carbide material as the frame layer, in order to carry out fine protection to based bulk layer and central core, and the balance is not easily damaged, do benefit to the life of extension product, and be formed with annular storage tank, can set up the electrode in wherein, stop the appearance of electrode obscission, silicon will be changed to this product, zinc oxide and oxidation titanium material rational distribution, it is moderate, can exert the best performance, simultaneously through being provided with waterproof coating and flame retardant coating, can realize fine waterproof and fire -retardant protect function, offer convenience for the use.

Description

The multilayer pressure sensitive resistance of novel protected coating

Technical field

This utility model is related to varistor art, refers in particular to a kind of multilayer pressure sensitive electricity of novel protected coating Resistance.

Background technology

The content of the invention

In view of this, this utility model is directed to the disappearance of prior art presence, and its main purpose is to provide a kind of new guarantor The multilayer pressure sensitive resistance of shield coating, its can the existing varistor of effectively solving substrate composition it is single and electrode easily comes off Problem.

For achieving the above object, this utility model is using such as purgation technical scheme：

A kind of multilayer pressure sensitive resistance of novel protected coating, includes varistor substrate, two electrodes and two pins；Should Varistor substrate includes housing layer, body layer and central core；The housing layer is silicon carbide material, and the body layer is oxidation Zinc material, body layer is inlayed and is fixed on housing layer, and two surfaces of housing layer are respectively located at the periphery on two surfaces of body layer, And two surfaces of body layer are respectively less than two surfaces of housing layer to be formed with annular storage tank；The central core is oxidation titanium Matter, central core is inlayed and is fixed on body layer, two surfaces of body layer respectively positioned at the periphery on two surfaces of central core, and in Two surfaces of central layer respectively with two flushes of body layer；Two electrode is embedded in respectively in corresponding annular storage tank；This two Pin is turned on respectively with the surface soldered of two electrodes；And, the varistor substrate is wrapped with waterproof coating, and two electrodes are located at In waterproof coating, the waterproof coating is wrapped with flame retardant coating, and the two pins are stretched out outside flame retardant coating.

Preferably, the circumferential lateral surface of the body layer is convexly equipped with the first bulge loop, in the embedded housing layer of the first bulge loop.

Preferably, the circumferential lateral surface of the central core is convexly equipped with the second bulge loop, in the embedded body layer of the second bulge loop.

Preferably, the appearance profile of the housing layer, body layer and central core is circle.

Preferably, the electrode includes aluminium coated and copper plate, and the aluminium coated is fitted solid with the bottom surface of annular storage tank Fixed, the copper plate is covered on aluminium coated, and the pin is butted on the surface of copper plate and welds.

This utility model has compared with prior art clear advantage and beneficial effect, specifically, by above-mentioned technology Scheme understands：

Generally using silicon carbide material as housing layer, to be protected well to body layer and central core, not rapid wear It is bad, beneficial to the service life of prolongation product, and annular storage tank is formed with, electrode can be disposed therein, prevent electrode and take off The appearance of the phenomenon that falls, this product is moderate by SiClx, Zinc Oxide and titanium oxide material reasonable distribution, can play optimal making With performance, while being provided by waterproof coating and flame retardant coating, good waterproof and fire-resisting protection function are capable of achieving, are to use Offer convenience.

More clearly to illustrate architectural feature of the present utility model and effect, come right with specific embodiment below in conjunction with the accompanying drawings This utility model is described in detail.

Description of the drawings

Fig. 1 is the sectional view of the preferred embodiment of this utility model.

Accompanying drawing identifier declaration：

10th, varistor substrate 11, housing layer

12nd, body layer 121, the first bulge loop

13rd, central core 131, the second bulge loop

101st, annular storage tank 20, electrode

21st, aluminium coated 22, copper plate

30th, pin 40, waterproof coating

50th, flame retardant coating.

Specific embodiment

Refer to shown in Fig. 1, that show the concrete structure of the preferred embodiment of this utility model, include pressure-sensitive electricity Resistance substrate 10, two electrodes 20 and two pins 30.

The varistor substrate 10 includes housing layer 11, body layer 12 and central core 13；The housing layer 11 is carbonization Silicon material, the body layer 12 is Zinc Oxide material, and body layer 12 is inlayed and is fixed on housing layer 11, and two surfaces of housing layer 11 are equal Respectively positioned at body layer 12 two surfaces periphery, and two surfaces of body layer 12 respectively less than housing layer 11 two surfaces with It is formed with annular storage tank 101；The central core 13 is titanium oxide material, and central core 13 is inlayed and is fixed on body layer 12, main body Layer 12 two surfaces respectively positioned at central core 13 two surfaces periphery, and two surfaces of central core 13 respectively with body layer 12 Two flushes.

In the present embodiment, the circumferential lateral surface of the body layer 12 is convexly equipped with the first bulge loop 121, and the first bulge loop 121 is embedded in In housing layer 11, so that body layer 12 is firmly combined with housing layer 11.The circumferential lateral surface of the central core 13 is convexly equipped with second Bulge loop 131, the second bulge loop 131 is embedded in body layer 12, so that central core 13 is firmly combined with body layer 12.Also, it is described The appearance profile of housing layer 11, body layer 12 and central core 13 is circle.

Two electrode 20 is embedded in respectively in corresponding annular storage tank 101；The two pins 30 respectively with the table of two electrodes 20 Face welding conducting；In the present embodiment, the electrode 20 includes aluminium coated 21 and copper plate 22, and the aluminium coated 21 holds with annular The bottom surface laminating for putting groove 101 is fixed, and the copper plate 22 is covered on aluminium coated 21, and the pin 30 is butted on the surface of copper plate 22 Welding.

And, the varistor substrate 10 is wrapped with waterproof coating 40, can play waterproof action, and two electrodes 20 are located at anti- In water coating 40, the waterproof coating 40 is wrapped with flame retardant coating 50, and the two pins 30 are stretched out outside flame retardant coating 50.

Design focal point of the present utility model is：Generally using silicon carbide material as housing layer, with to body layer and center Layer is protected well, is hardly damaged, and beneficial to the service life of prolongation product, and is formed with annular storage tank, can be by electricity Pole is disposed therein, and prevents the appearance of electrode delamination phenomenon, this product by SiClx, Zinc Oxide and titanium oxide material reasonable distribution, Moderate cost, can play optimal performance, while being provided by waterproof coating and flame retardant coating, be capable of achieving anti-well Water and fire-resisting protection function, are to use to offer convenience.

Know-why of the present utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality With new principle, and can not by any way be construed to the restriction to this utility model protection domain.Based on explanation herein, Those skilled in the art associates other specific embodiments of the present utility model by need not paying performing creative labour, These modes are fallen within protection domain of the present utility model.

Claims

1. a kind of multilayer pressure sensitive resistance of novel protected coating, includes varistor substrate, two electrodes and two pins；It is special Levy and be：The varistor substrate includes housing layer, body layer and central core；The housing layer be silicon carbide material, the master Body layer is Zinc Oxide material, and body layer is inlayed and is fixed on housing layer, and two surfaces of housing layer are respectively positioned at the two of body layer The periphery on surface, and two surfaces of body layer are respectively less than two surfaces of housing layer to be formed with annular storage tank；The center Layer is titanium oxide material, and central core is inlayed and is fixed on body layer, and two surfaces of body layer are respectively positioned at two tables of central core The periphery in face, and two surfaces of central core respectively with two flushes of body layer；Two electrode is embedded in respectively corresponding annular In storage tank；The two pins are turned on respectively with the surface soldered of two electrodes；And, the varistor substrate is wrapped with waterproof painting Layer, two electrodes are located in waterproof coating, and the waterproof coating is wrapped with flame retardant coating, and the two pins are stretched out outside flame retardant coating.

2. the multilayer pressure sensitive resistance of novel protected coating as claimed in claim 1, it is characterised in that：The periphery of the body layer Side is convexly equipped with the first bulge loop, in the embedded housing layer of the first bulge loop.

3. the multilayer pressure sensitive resistance of novel protected coating as claimed in claim 2, it is characterised in that：The periphery of the central core Side is convexly equipped with the second bulge loop, in the embedded body layer of the second bulge loop.

4. the multilayer pressure sensitive resistance of novel protected coating as claimed in claim 1, it is characterised in that：The housing layer, main body The appearance profile of layer and central core is circle.

5. the multilayer pressure sensitive resistance of novel protected coating as claimed in claim 1, it is characterised in that：The electrode includes plating Aluminium lamination and copper plate, the aluminium coated is fitted fixation with the bottom surface of annular storage tank, and the copper plate is covered on aluminium coated, the pin It is butted on the surface of copper plate and welds.