CN102346228A - Breakdown-resistant tester for high-voltage and microcurrent household electrical appliances - Google Patents
Breakdown-resistant tester for high-voltage and microcurrent household electrical appliances Download PDFInfo
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- CN102346228A CN102346228A CN2010102423939A CN201010242393A CN102346228A CN 102346228 A CN102346228 A CN 102346228A CN 2010102423939 A CN2010102423939 A CN 2010102423939A CN 201010242393 A CN201010242393 A CN 201010242393A CN 102346228 A CN102346228 A CN 102346228A
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Abstract
The invention relates to a breakdown-resistant tester for high-voltage and microcurrent household electrical appliances. The tester comprises an amperemeter, a voltmeter, a switch, an electronic booster, a protective resistor, an electric clip and a plug, wherein the electronic booster is used for boosting a mains voltage or a battery voltage, and an action of judging whether a household electrical appliance has an electric leakage phenomenon is performed according to the numerical reading of the amperemeter. By using the tester disclosed by the invention, the problem that a high-voltage tester in the prior art is large in volume and inconvenient to use and has potential safety hazards is solved; and the tester disclosed by the invention is simple in structure, small in volume, high in safety performance, and suitable for household use.
Description
Technical field
The present invention relates to a kind of High-pressure measurement Instrument, relate in particular to the anti-tester that punctures of a kind of high voltage micro-current household electrical appliances.
Background technology
When household electrical appliance make moist seriously, when insulating outer layer is aging, the resistance value of insulation course will reduce, leakage current just increases thereupon, just electric shock accidents might take place.When the household electrical appliance live part because of insulation ag(e)ing or damage, electric body is directly communicated with electric appliance casing, in electrical equipment when operation energising back, just possibly make outer casing electrification, its magnitude of voltage is near operational voltage value, this electric leakage belongs to short-circuit and leaks electricity.Short-circuit electric leakage danger is very big, usually can critical life security to the people.
Because to use civil power, civil power be our said alternating current (AC), voltage distributes by 100V to 240V household electrical appliance, generally says metal shell ground connection, causes accident to prevent body leakage in use.All there is a safety detection standard various countries to the household electrical appliance that adopt mains-supplied; General with the voltage breakdown between High-pressure measurement Instrument survey power lead that is higher than 1250V ~ 2500V and the shell; But this instrument volume is very big, carries inconvenience, and certain danger is arranged when using.
Summary of the invention
The purpose of this invention is to provide the anti-tester that punctures of a kind of high voltage micro-current household electrical appliances, it is little that it compared with prior art has a volume, the advantage that security is good.
Above-mentioned purpose of the present invention realizes through following technical scheme:
The anti-tester that punctures of a kind of high voltage micro-current household electrical appliances; Comprise reometer, voltage table, switch; Wherein, Also comprise electronics stepup transformer, protective resistance, electricity folder, plug; The input end of said electronics stepup transformer links to each other with plug; Said protective resistance has two, i.e. first protective resistance, second protective resistance; Said electricity accompanies two; Said one electric folder is connected with reometer, second protective resistance and is inserted an output terminal of electronics stepup transformer, and another output terminal of said electronics stepup transformer is connected with another electricity folder; Said voltage table and said first protective resistance are connected in series and form the measuring voltage circuit, and said measuring voltage circuit inserts two output terminals of electronics stepup transformer, and the output voltage of electronics stepup transformer is measured.
The anti-tester that punctures of above-mentioned high voltage micro-current household electrical appliances, wherein, the resistance of said first protective resistance is 1M ohm, the resistance of second protective resistance is 10M ohm.
The anti-tester that punctures of above-mentioned high voltage micro-current household electrical appliances; Wherein, also comprise a shell, said reometer, voltage table, electronics stepup transformer, protective resistance all place in the shell; The dial plate of said reometer, voltage table all places the surface of shell, and said switch is installed on the surface of shell.
The anti-tester that punctures of above-mentioned high voltage micro-current household electrical appliances wherein, is drawn two insulated conductors from shell, said two electricity folders are connected with the parts of enclosure through insulated conductor.
The anti-tester that punctures of the little electric current household electrical appliances of above-mentioned high pressure, wherein, said shell is a plastic material.
The anti-tester that punctures of above-mentioned high voltage micro-current household electrical appliances wherein, also comprises battery, second switch, and the input end of said battery, second switch, electronics stepup transformer is connected in series through lead, forms the closed-loop path circuit; Said battery places in the said shell, and said second switch places said case surface.
The anti-tester that punctures of above-mentioned high voltage micro-current household electrical appliances, wherein, said battery is a rechargeable battery.
In sum, it is bulky to the invention solves prior art mesohigh detector, use inconvenient, and the problem that has potential safety hazard.
Description of drawings
Fig. 1 is the anti-circuit structure diagrams that puncture tester of high voltage micro-current household electrical appliances of the present invention;
Fig. 2 is the anti-structural representations that puncture tester of high voltage micro-current household electrical appliances of the present invention;
Fig. 3 is the anti-circuit structure diagrams that puncture the battery supply of tester of high voltage micro-current household electrical appliances of the present invention.
Embodiment
Do further explanation below in conjunction with the accompanying drawing specific embodiments of the invention:
See also the anti-tester that punctures of a kind of high voltage micro-current household electrical appliances shown in Figure 1; Comprise a reometer 1; Be used to measure electric current through oversampling circuit; One voltage table 2; Be used for measuring the voltage of electronics stepup transformer 10 output terminals after the electronics stepup transformer raises; Switch 7; Wherein, Also comprise an electronics stepup transformer 10; This electronics stepup transformer 10 can rise to the 2500V high pressure with 220V voltage commonly used; But electric current reaches 0.001 ampere in the short time, protective resistance, electricity folder 8; One plug 6; Be used for the 220V alternating current is introduced the input end of electronics stepup transformer 10; The input end of said electronics stepup transformer 10 links to each other with plug 6, and said protective resistance has two, i.e. first protective resistance 11; Second protective resistance 12.
Further, electronics stepup transformer 10 can adopt the electronics stepup transformer of other model, is not limited in the electronics stepup transformer in the above-mentioned electric mosquito flap, and the electronics stepup transformer of the principle of boosting behind the based semiconductor higher-order of oscillation all can be used as the electronics stepup transformer 10 that the present invention uses.
The resistance of first protective resistance 11 is 1M ohm, and the resistance of second protective resistance 12 is 10M ohm, and two protective resistances are connected in series with voltage table 2, reometer 1 respectively, guarantees that voltage table 2 and reometer 1 can not damaged by high voltage and big electric current.
Further, equate that with the big resistance that needs its effect is the same if can't provide big resistance a plurality of small resistors can be composed in series a resistance.
As shown in Figure 2; One shell 4; Said reometer 1; Voltage table 2; Electronics stepup transformer 10; Protective resistance all places in the shell; Said reometer 1; The dial plate of voltage table 2 all places the surface of shell; Make people can see the reading of voltage table 2 and reometer 1 intuitively; Voltage table 2 preferably places the same side with the dial plate of reometer 1; Can observe the reading of voltage table 2 and reometer 1 so simultaneously; Said switch 7 is installed on the surface of shell; Said shell 4 is processed for plastic material; Shell 4 is installed avoids people that the danger of electric shock is arranged when using the anti-puncture of high voltage micro-current household electrical appliances tester, switch 7 places shell 4 surfaces, the operation that is convenient for people to.
Further, said shell 4 can adopt any insulating material, to reach protection user purpose of safety.
From shell 4, draw two insulated conductors, said two electricity folders 8 are connected with the parts of enclosure through insulated conductor, have increased the distance of measuring, the safety when using insulated conductor also can guarantee to use.
As shown in Figure 3, comprise battery 14, second switch 5, the input end of said battery 14, second switch 5, electronics stepup transformer 10 is connected in series through lead, forms the closed-loop path circuit; Said battery places in the said shell 4, and said second switch 5 places said shell 4 surfaces; Battery 14 is installed makes that the anti-tester that punctures of high voltage micro-current household electrical appliances of the present invention can the work of when not having external power supply, doing as usual, can not be subjected to the restriction of socket and household electrical appliances distance, use convenient.
Battery 14 can adopt rechargeable battery, can use repeatedly through charging.
Battery 14 can adopt the lower battery of more piece voltage to work simultaneously, has reached required voltage, and its effect is the same.
Further, also can directly open second switch 5, use battery 14 to be circuit supply, the method for its judgement is identical with the result with the result who uses mains supply.
In sum, it is bigger to the invention solves prior art mesohigh tester volume, uses problem inconvenient and that have potential safety hazard; Provide a kind of simple in structure; Advantages of small volume, security performance is high, is fit to the anti-tester that punctures of high voltage micro-current household electrical appliances that family uses.
Claims (7)
1. high voltage micro-current household electrical appliances prevent puncturing tester; Comprise reometer, voltage table, switch; It is characterized in that; Also comprise electronics stepup transformer, protective resistance, electricity folder, plug; The input end of said electronics stepup transformer links to each other with plug; Said protective resistance has two, i.e. first protective resistance, second protective resistance; Said electricity accompanies two; Said one electric folder is connected with reometer, second protective resistance and is inserted an output terminal of electronics stepup transformer, and another output terminal of said electronics stepup transformer is connected with another electricity folder; Said voltage table and said first protective resistance are connected in series and form the measuring voltage circuit, and said measuring voltage circuit inserts two output terminals of electronics stepup transformer, and the output voltage of electronics stepup transformer is measured.
2. the anti-tester that punctures of high voltage micro-current household electrical appliances as claimed in claim 1 is characterized in that the resistance of said first protective resistance is 1M ohm, and the resistance of second protective resistance is 10M ohm.
3. the anti-tester that punctures of high voltage micro-current household electrical appliances as claimed in claim 1; It is characterized in that; Also comprise a shell; Said reometer, voltage table, electronics stepup transformer, protective resistance all place in the shell; The dial plate of said reometer, voltage table all places the surface of shell, and said switch is installed on the surface of shell.
4. the anti-tester that punctures of high voltage micro-current household electrical appliances as claimed in claim 3 is characterized in that, from shell, draws two insulated conductors, and said two electricity folders are connected with the parts of enclosure through insulated conductor.
5. the anti-tester that punctures of the little electric current household electrical appliances of high pressure as claimed in claim 3 is characterized in that said shell is a plastic material.
6. the anti-tester that punctures of high voltage micro-current household electrical appliances as claimed in claim 1 is characterized in that also comprise battery, second switch, the input end of said battery, second switch, electronics stepup transformer is connected in series through lead, forms the closed-loop path circuit; Said battery places in the said shell, and said second switch places said case surface.
7. the anti-tester that punctures of high voltage micro-current household electrical appliances as claimed in claim 6 is characterized in that said battery is a rechargeable battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102423939A CN102346228A (en) | 2010-08-02 | 2010-08-02 | Breakdown-resistant tester for high-voltage and microcurrent household electrical appliances |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102423939A CN102346228A (en) | 2010-08-02 | 2010-08-02 | Breakdown-resistant tester for high-voltage and microcurrent household electrical appliances |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102346228A true CN102346228A (en) | 2012-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102423939A Pending CN102346228A (en) | 2010-08-02 | 2010-08-02 | Breakdown-resistant tester for high-voltage and microcurrent household electrical appliances |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102346228A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104751720A (en) * | 2015-04-20 | 2015-07-01 | 江南大学 | High-voltage static power supply |
| CN106771495A (en) * | 2016-12-30 | 2017-05-31 | 芜湖顺景自动化设备有限公司 | A kind of plug line drop measurement equipment of highly effective and safe insulation |
-
2010
- 2010-08-02 CN CN2010102423939A patent/CN102346228A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104751720A (en) * | 2015-04-20 | 2015-07-01 | 江南大学 | High-voltage static power supply |
| CN106771495A (en) * | 2016-12-30 | 2017-05-31 | 芜湖顺景自动化设备有限公司 | A kind of plug line drop measurement equipment of highly effective and safe insulation |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120208 |