CN203644486U

CN203644486U - Super capacitance pressure sensitive resistor

Info

Publication number: CN203644486U
Application number: CN201320867641.8U
Authority: CN
Inventors: 褚冬进; 刘丹; 梁自伟; 陈玉萍; 周军伟; 常宝成; 覃远东
Original assignee: GUANGXI NEW FUTURE INFORMATION INDUSTRY Co Ltd
Current assignee: GUANGXI NEW FUTURE INFORMATION INDUSTRY Co Ltd
Priority date: 2013-12-26
Filing date: 2013-12-26
Publication date: 2014-06-11
Anticipated expiration: 2023-12-26

Abstract

The utility model discloses a super capacitance pressure sensitive resistor which comprises a shell and a pedestal. A pressure sensitive resistance film chip is covered and fixed in the shell, and is composed of a pressure sensitive resistance film and a cylindrical tube, wherein the pressure sensitive resistance film is coated with a silver electrode on the inner surface to form an inner layer silver end face, and is coated with a silver electrode on the outer surface to form an outer layer silver end face; insulation paper with the same size with the pressure sensitive resistance film is tightly attached onto the outer layer silver end face to form the cylindrical tube by winding; a left electrode and a right electrode are in close contact with the inner layer silver end face and the outer layer silver end face, respectively, and pass through a lest pedestal insertion hole and a right pedestal insertion hole to extend out of the pedestal, respectively. The super capacitance pressure sensitive resistor provided by the utility model has the dual functions of super large capacitance and voltage sensitiveness, has large flux, can effectively eliminate noise jamming in super low voltage direct current equipment so as to protect normal work of loading equipment, and is simple in structure, convenient to manufacture and suitable for mass industrialized production.

Description

A kind of electrochemical capacitance varistor

Technical field

The utility model relates to a kind of electronic devices and components, relates in particular to a kind of electrochemical capacitance varistor, belongs to varistor manufacturing technology field.

Background technology

Piezo-resistance, owing to having excellent nonlinear characteristic and energy absorption capability, is therefore applied widely on electric power, electronic circuit.Along with high and new technology development, that equipment is is short, little, light, thin, functionalization, digitlization, intellectuality, low consumed development trend, and the antistatic of equipment, anti-interference protection will seem more and more important.Ultralow pressure piezo-resistance, as ultralow pressure Anti-surging power protection device, is widely used in the fields such as mobile phone, USB interface, computer, LCD, automotive electronics, integrated circuit (IC) chip.The SMD piezo-resistance of ultralow pressure relies on Japan, Germany, Korea S's import substantially at present, and because its internal structure is mainly thick film lamination, volume is little, but defect of the current ubiquity of this device, and through-current capacity is little.When in circuit, run into large electric current by time, easily there is punch-through.Therefore,, in direct current ultralow pressure circuit, can also improve its security performance.Summary of the invention

The purpose of this utility model is little for the SMD piezo-resistance through-current capacity of ultralow pressure; in the time running into large electric current in circuit and pass through; easily there is the deficiency of punch-through; a kind of electrochemical capacitance varistor is provided; there is the quick dual-use function of super large capacitor and voltage; be mainly used in direct current ultralow pressure equipment and can effectively get rid of noise jamming, pre-antistatic, the normal work of protection load equipment.

For achieving the above object, the technical scheme that the utility model provides is: a kind of electrochemical capacitance varistor, comprise shell, the left electrode that shell is sealed fixing base and drawn through base jack by fluid sealant, right electrode, the piezo-resistance that is being coated and fixed in the enclosure thin film chip, described piezo-resistance thin film chip is that internal layer scribbles silver electrode formation internal layer silver end face, skin scribbles silver electrode and forms the piezo-resistance film of outer silver-colored end face, and be attached to tightly on outer silver-colored end face with the onesize insulating paper of piezo-resistance film, the cylindrical tube being wound into, described left electrode, right electrode respectively with internal layer silver end face, outer silver-colored end face tightly contacts, and pass through respectively left base jack and right base jack, draw outside base.

Take the utility model of above-mentioned measure, main installation bridges on direct current ultralow pressure device power supply (DPS) line both positive and negative polarity, and wherein an electrode connects direct-flow positive pole, and another electrode connects negative pole, and element does not have polarity, and two electrodes connect arbitrarily regardless of both positive and negative polarity.When the direct voltage generation surge on power line, in the time that circuit voltage rises suddenly, the resistance value of electrochemical capacitance varistor can decline suddenly, and unnecessary voltage pass through the piezo-resistance negative pole of flowing through by energy and releases away, makes DC power supply maintenance pressure constant state.In the time that circuit voltage declines suddenly, electrochemical capacitance varistor, owing to self having larger electric capacity, supplements the voltage of circuit, makes DC power supply keep pressure constant state.In the time having noise jamming and electrostatic interference in circuit, because the electrochemical capacitance varistor of bridge joint has larger electric capacity, can effectively absorb clutter and static, the equipment DC power supply of making remains pressure constant state.

The utlity model has following advantage:

1. the utlity model has the quick dual-use function of super large capacitor and voltage; through-current capacity is large; in ultralow pressure DC equipment, can effectively get rid of noise jamming and electrostatic interference, the equipment DC power supply of making remains pressure constant state, thereby effectively protects the normal work of load equipment.

The utility model life-span long, product safety performance is high.

3. the utility model is simple in structure, easy to process, and production efficiency is high, is applicable to mass industrialized production.

Brief description of the drawings

Fig. 1 is the utility model package assembly schematic diagram;

Fig. 2 is forward sight longitudinal profile schematic diagram after the utility model combination;

Fig. 3 is the partial enlarged drawing of Fig. 2.

As shown in above-mentioned accompanying drawing, the utility model element sequence number is: shell 1, piezo-resistance thin film chip 2, base 3,

fixed leg

11 and 12, left electrode 21, right electrode 22, internal layer silver end face 23 and outer silver-colored end face 25, piezo-resistance film 24, insulating paper 26, left base jack 31 and right base jack 32.

Embodiment

Below in conjunction with embodiment, the utility model is further described.It is pointed out that according to the technical solution of the utility model, not departing under the prerequisite of the utility model claim, can also make some distortion and improvement, all belong to protection range of the present utility model.

A kind of electrochemical capacitance varistor, as shown in Figure 1, Figure 2 and Figure 3, is being coated piezo-resistance thin film chip 2 by shell 1, base 3 and shell 1 and is forming.

Described piezo-resistance thin film chip 2 is that internal layer scribbles silver electrode formation internal layer silver end face 23, skin scribbles silver electrode and forms the piezo-resistance film 24 of outer silver-colored end face 25, and be attached to tightly on outer silver-colored end face 25 with the onesize insulating paper 26 of piezo-resistance film 24, the cylindrical tube being wound into, described left electrode 21, right electrode 22 tightly contact with internal layer silver end face 23, outer silver-colored end face 25 respectively, and pass through respectively left base jack 31 and right base jack 32, draw outside base 3.In described shell, in circular face, there are two

fixed legs

11 and 12, for fixing piezo-resistance thin film chip 2.Described shell 1 seals fixing with base 3 by fluid sealant.After tested, result is as following table 1 for performance parameter of the present utility model:

table 1 performance parameter table of the present utility model

Figure 2013208676418100002DEST_PATH_IMAGE002

The utility model is mainly installed and is bridged on direct current ultralow pressure device power supply (DPS) line both positive and negative polarity, and left electrode 21 and right electrode 22 do not have polarity, and two electrodes connect arbitrarily regardless of both positive and negative polarity.When the direct voltage generation surge on power line, in the time that circuit voltage rises suddenly, the resistance value of electrochemical capacitance varistor can decline suddenly, and unnecessary voltage pass through the piezo-resistance negative pole of flowing through by energy and releases away, makes DC power supply maintenance pressure constant state.In the time that circuit voltage declines suddenly, electrochemical capacitance varistor, owing to self having larger electric capacity, releases energy the voltage of circuit is supplemented, and makes DC power supply keep pressure constant state.In the time having noise jamming and electrostatic interference in circuit, because the electrochemical capacitance varistor of bridge joint has larger electric capacity, can effectively absorb clutter and static, the equipment DC power supply of making remains pressure constant state.

Claims

1. an electrochemical capacitance varistor, comprise shell, the left electrode that shell is sealed fixing base and drawn through base jack by fluid sealant, right electrode, it is characterized in that, piezo-resistance thin film chip (2) is being coated and fixed in shell (1), described piezo-resistance thin film chip (2) is that internal layer scribbles silver electrode formation internal layer silver end face (23), skin scribbles silver electrode and forms the piezo-resistance film (24) of outer silver-colored end face (25), and be attached to tightly on outer silver-colored end face (25) with the onesize insulating paper (26) of piezo-resistance film (24), the cylindrical tube being wound into, described left electrode (21), right electrode (22) respectively with internal layer silver end face (23), outer silver-colored end face (25) tightly contacts, and pass through respectively left base jack (31) and right base jack (32), draw outside base (3).