CN205374625U - A and discharge test device for condenser - Google Patents
A and discharge test device for condenser Download PDFInfo
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- CN205374625U CN205374625U CN201521096751.4U CN201521096751U CN205374625U CN 205374625 U CN205374625 U CN 205374625U CN 201521096751 U CN201521096751 U CN 201521096751U CN 205374625 U CN205374625 U CN 205374625U
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Abstract
The utility model discloses an and discharge test device for condenser, including battery, first resistance to fourth resistance, first triode, second triode, electric capacity summation potential ware, compare with prior art, the utility model discloses a both ends that to be surveyed electric capacity are connected to the both ends of electric capacity sense terminal, make the second triode charge to electric capacity, and first triode carries out reverse charge, and the while is passed through the universal meter and is detected the electric quantity of being surveyed electric capacity, and the parameter of process with standard capacitor contrasts and confirm to be surveyed the quality of electric capacity, and convenient to use has the value of popularization and application.
Description
Technical field
This utility model relates to a kind of electronic devices and components detecting device, particularly relates to a kind of charge-discharge testing device for capacitor.
Background technology
Capacitor, being generally called for short its ability holding electric charge is electric capacity, represents by letter C.Definition 1: capacitor, as the term suggests, it is ' container of dress electricity ', is a kind of device holding electric charge.Capacitor is one of a large amount of electronic components used in electronic equipment, be widely used in circuit every straight-through friendship, coupling, bypass, filtering, resonant tank, the aspects such as energy is changed, control.Definition 2: capacitor, any two is insulated from each other and all constitutes a capacitor between the conductor that is spaced closely together.But in prior art, the charge-discharge test for electric capacity comparatively bothers, and accordingly, there exist room for improvement.
Utility model content
The purpose of this utility model is that provides a kind of charge-discharge testing device for capacitor to solve the problems referred to above.
This utility model is achieved through the following technical solutions above-mentioned purpose:
nullThis utility model includes battery、First resistance is to the 4th resistance、First audion、Second audion、Electric capacity and potentiometer，The positive pole of described battery is connected with the first end of the first end of capacitance detecting end and described 4th resistance simultaneously，The negative pole of described battery simultaneously with the first end of described first resistance、First end of described potentiometer and the emitter stage of described second audion connect，Second end of described first resistance is connected with the colelctor electrode of the base stage of described second audion and described first audion simultaneously，The emitter stage of described first audion is connected with the second end of capacitance detecting end，The base stage of described first audion is connected with the first end of described second resistance，Second end of described second resistance is connected with the first end of the first end of described electric capacity and described 3rd resistance simultaneously，Second end of described 3rd resistance is connected with the second end and the sliding end of described potentiometer simultaneously，Second end of described electric capacity is connected with the second end of the colelctor electrode of described second audion and described 4th resistance simultaneously.
Specifically, described first audion is PNP type triode, and described second audion is PNP type triode.
The beneficial effects of the utility model are in that:
This utility model is a kind of charge-discharge testing device for capacitor, compared with prior art, this utility model by being connected to the two ends of capacitance detecting end by the two ends of measured capacitance, make the second audion that electric capacity to be charged, first audion carries out reverse charge, simultaneously by the electricity of circuit tester detection measured capacitance, through with the parameter comparison of standard capacitance and determine the quality of measured capacitance, easy to use, there is the value of popularization and application.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail:
nullAs shown in Figure 1: include battery E、First resistance R1 to the 4th resistance R4、First audion VT1、Second audion VT2、Electric capacity C and potentiometer RP，The positive pole of battery E is connected with first end of capacitance detecting end X and first end of the 4th resistance R4 simultaneously，The negative pole of battery E simultaneously with first end of the first resistance R1、First end of potentiometer RP and the emitter stage of the second audion VT2 connect，Second end of the first resistance R1 is connected with the base stage of the second audion VT2 and the colelctor electrode of the first audion VT1 simultaneously，The emitter stage of the first audion VT1 is connected with second end of capacitance detecting end X，The base stage of the first audion VT1 is connected with first end of the second resistance R2，Second end of the second resistance R2 is connected with first end of electric capacity C and first end of the 3rd resistance R3 simultaneously，Second end of the 3rd resistance R3 is connected with the second end and the sliding end of potentiometer RP simultaneously，Second end of electric capacity C is connected with the colelctor electrode of the second audion VT2 and second end of the 4th resistance R4 simultaneously.
Specifically, the first audion VT1 is PNP type triode, and the second audion VT2 is PNP type triode.
During utility model works, the two ends of measured capacitance are connected to the two ends of capacitance detecting end X, make the second audion VT2 that electric capacity to be charged, first audion VT1 carries out reverse charge, simultaneously by the electricity of circuit tester detection measured capacitance, through with the parameter comparison of standard capacitance and determine the quality of measured capacitance.
Component parameter of the present utility model selects as follows:
First resistance R1 is 100 Ω, the second resistance R2 be 400 Ω, the 3rd resistance R3 be 500 Ω, the 4th resistance R4 be 2k Ω, battery E be 3V, electric capacity C is 300uf.
Of the present utility model ultimate principle and principal character and of the present utility model advantage have more than been shown and described.Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; described in above-described embodiment and description is that principle of the present utility model is described; under the premise without departing from this utility model spirit and scope; this utility model also has various changes and modifications, and these changes and improvements both fall within the scope of claimed this utility model.This utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (2)
- null1. the charge-discharge testing device for capacitor，It is characterized in that: include battery、First resistance is to the 4th resistance、First audion、Second audion、Electric capacity and potentiometer，The positive pole of described battery is connected with the first end of the first end of capacitance detecting end and described 4th resistance simultaneously，The negative pole of described battery simultaneously with the first end of described first resistance、First end of described potentiometer and the emitter stage of described second audion connect，Second end of described first resistance is connected with the colelctor electrode of the base stage of described second audion and described first audion simultaneously，The emitter stage of described first audion is connected with the second end of capacitance detecting end，The base stage of described first audion is connected with the first end of described second resistance，Second end of described second resistance is connected with the first end of the first end of described electric capacity and described 3rd resistance simultaneously，Second end of described 3rd resistance is connected with the second end and the sliding end of described potentiometer simultaneously，Second end of described electric capacity is connected with the second end of the colelctor electrode of described second audion and described 4th resistance simultaneously.
- 2. the charge-discharge testing device for capacitor according to claim 1, it is characterised in that: described first audion is PNP type triode, and described second audion is PNP type triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521096751.4U CN205374625U (en) | 2015-12-24 | 2015-12-24 | A and discharge test device for condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521096751.4U CN205374625U (en) | 2015-12-24 | 2015-12-24 | A and discharge test device for condenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205374625U true CN205374625U (en) | 2016-07-06 |
Family
ID=56256313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521096751.4U Expired - Fee Related CN205374625U (en) | 2015-12-24 | 2015-12-24 | A and discharge test device for condenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205374625U (en) |
-
2015
- 2015-12-24 CN CN201521096751.4U patent/CN205374625U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20201224 |