CN207281154U - A kind of leakage current testing network box - Google Patents
A kind of leakage current testing network box Download PDFInfo
- Publication number
- CN207281154U CN207281154U CN201721308965.2U CN201721308965U CN207281154U CN 207281154 U CN207281154 U CN 207281154U CN 201721308965 U CN201721308965 U CN 201721308965U CN 207281154 U CN207281154 U CN 207281154U
- Authority
- CN
- China
- Prior art keywords
- resistance
- wire
- capacitance
- utility
- model
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The utility model proposes a kind of leakage current testing network box, it is related to a kind of monitoring safe current device, test circuit including box body and tray interior, the test circuit includes connecing thing line, ground wire, p-wire one, p-wire two, resistance one, capacitance one, resistance two, capacitance two and resistance three, it is described to connect thing line connection resistance one, the resistance one connects resistance three, the connection of resistance three ground wire, the capacitance one is in parallel with resistance one, the resistance three goes back p-wire one in parallel from left to right, capacitance two and p-wire two, resistance two is additionally provided with the connecting line of described two the same end of p-wire one and capacitance.The utility model is by being internally provided with multiple capacitances and resistance, you can tests the Leakage Current of different ranges, is additionally provided with a ground wire, can remove the electric current on the utility model surface, makes the data that the utility model tests out more accurate.
Description
Technical field
It the utility model is related to a kind of monitoring safe current device, and in particular to a kind of leakage current testing network box.
Background technology
Pick-up current refers to, when human body and the accessible parts of animal contact one or more device, flow through human body or dynamic
The electric current of thing body, pick-up current are also referred to as leakage current, and leakage current testing is the detection of household electronic products security performance
In especially important one, be state compulsion requirement a security performance test project.Leakage current is surveyed currently on the market
Examination instrument has old-fashioned simulation instrument, also has new digital instrument, both internal circuits are also different；The mode of test also has
Two kinds, first, will treat that electricity measurer is placed on insulator, it is to be detected electric power supply directly using power grid, carries out leakage current survey
Examination；Second, using isolating transformer as electric power supply to be measured, leakage current testing is carried out.But because user is easy in use site
Result difference is very big after there is the tester detection with different vendor, and therefore, the utility model proposes a kind of leakage current testing
Network box.
Utility model content
In view of the above-mentioned problems, the utility model proposes it is a kind of test leakage current box, be internally provided with multiple capacitances and
Resistance, can test the Leakage Current of different ranges, i.e., a kind of leakage current testing network box.
The purpose of this utility model can be realized by following scheme：
A kind of leakage current testing network box, including the test circuit of box body and tray interior, the test circuit bag
Include and connect thing line, ground wire, p-wire one, p-wire two, resistance one, capacitance one, resistance two, capacitance two and resistance three, it is described to connect
Thing line connects resistance one, and the resistance one connects resistance three, and the connection of resistance three ground wire, the capacitance one and resistance are in the lump
Connection, p-wire one also in parallel, capacitance two and p-wire two, the p-wire one and capacitance two are same from left to right for the resistance three
Resistance two is additionally provided with the connecting line at end.
Further optimization, the resistance of the resistance one is 1500 Ω, and the resistance of the resistance two is 10K Ω, the resistance
Three resistance is 500 Ω, and the capacitance of the capacitance one is 0.22 μ F, and the capacitance of the capacitance two is 0.022 μ F.
Further optimization, the test circuit are located at tray interior, described to connect thing line and ground wire extends box body and sets
On one side of box body, the p-wire one and p-wire two extend box body and are located at box body another side.
The beneficial effects of the utility model：
1. the utility model is new to be equipped with two p-wires, two p-wires all can be by the aobvious ripple device of data transfer, no
Need to select testing range on instrument, the data that the utility model tests out are more accurate, using also more simple and convenient.
2. the utility model is equipped with a ground wire, the electric current of the utility model itself can be reduced, effectively can directly be surveyed
The electric current of object under test is tried out, reduces the error of test data.
Therefore, the utility model is by being internally provided with multiple capacitances and resistance, you can the Leakage Current of different ranges is tested,
A ground wire is additionally provided with, the electric current on the utility model surface can be removed, makes the data that the utility model tests out more accurate.
Brief description of the drawings
Fig. 1 is the utility model circuit diagram.
Fig. 2 is the utility model overall structure diagram.
In figure：1st, box body；2nd, thing line is connect；3rd, it is grounded；4th, p-wire one；5th, p-wire two；6th, resistance one；7th, capacitance
One；8th, resistance two；9th, capacitance two；10th, resistance three.
Embodiment
In order to make the technical means, creative features, achievable purpose and effectiveness that the utility model is realized easy to understand, under
Face combines embodiment, and the utility model is expanded on further.
A kind of leakage current testing network box according to Fig. 1 and Fig. 2, including the test inside box body 1 and box body 1
Circuit, the test circuit include connecing thing line 2, ground wire 3, p-wire 1, p-wire 25, resistance 1, capacitance 1, resistance
28, capacitance 29 and resistance 3 10, the thing line 2 that connects connect resistance 1, and the resistance 1 connects resistance 3 10, the resistance
3 10 connection ground wire 3, the capacitance 1 is in parallel with resistance 1, the resistance 3 10 from left to right and also parallel connection p-wire 1,
Capacitance 29 and p-wire 25, are additionally provided with resistance 28 on the connecting line of described 29 the same end of p-wire 1 and capacitance.
In the present embodiment, the resistance of the resistance 1 is 1500 Ω, and the resistance of the resistance 28 is 10K Ω, described
The resistance of resistance 3 10 is 500 Ω, and the capacitance of the capacitance 1 is 0.22 μ F, and the capacitance of the capacitance 29 is 0.022 μ F.
In the present embodiment, the test circuit is located inside box body 1, and thing line 2 and the ground wire 3 of connecing extends box body
1 and one side of box body 1 is located at, the p-wire 1 and p-wire 25 extend box body 1 and be located at 1 another side of box body.
The specifically used process of the utility model：
Ground wire 3 is grounded first, then will connect thing line 2 is connected on product to be measured, and the electric current on product to be measured can lead to
Cross and connect thing line 2 and then pass through multiple resistance and capacitive transmission to p-wire 1 or p-wire 26, then pass through p-wire again
1 or p-wire 26 be connected on aobvious ripple device, the data of electric current to be measured can be shown on aobvious ripple device.
Based on above-mentioned, the utility model is by being internally provided with multiple capacitances and resistance, you can tests the leakage of different ranges
Electric current, is additionally provided with a ground wire 3, can remove the electric current on the utility model surface, make the data that the utility model tests out more
Accurately.
The basic principle, main feature and advantage of the utility model has been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope
Defined by appending claims and equivalents.
Claims (3)
1. a kind of leakage current testing network box, including the test circuit of box body (1) and box body (1) inside, it is characterised in that
The test circuit includes connecing thing line (2), ground wire (3), p-wire one (4), p-wire two (5), resistance one (6), capacitance one
(7), resistance two (8), capacitance two (9) and resistance three (10), it is described to connect thing line (2) connection resistance one (6), the resistance one (6)
Resistance three (10) is connected, resistance three (10) the connection ground wire (3), the capacitance one (7) is in parallel with resistance one (6), described
Resistance three (10) p-wire one (4), capacitance two (9) and p-wire two (5) also in parallel from left to right, the p-wire one (4) and
Resistance two (8) is additionally provided with the connecting line of capacitance two (9) the same end.
2. a kind of leakage current testing network box according to claim 1, it is characterised in that the resistance one (6)
Resistance is 1500 Ω, and the resistance of the resistance two (8) is 10K Ω, and the resistance of the resistance three (10) is 500 Ω, the capacitance
The capacitance of one (7) is 0.22 μ F, and the capacitance of the capacitance two (9) is 0.022 μ F.
3. a kind of leakage current testing network box according to claim 1, it is characterised in that the test circuit is located at
Box body (1) is internal, it is described connect thing line (2) and be grounded (3) extend box body (1) and be located at one side of box body (1), the test
Line one (4) and p-wire two (5) extend box body (1) and are located at box body (1) another side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721308965.2U CN207281154U (en) | 2017-09-30 | 2017-09-30 | A kind of leakage current testing network box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721308965.2U CN207281154U (en) | 2017-09-30 | 2017-09-30 | A kind of leakage current testing network box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207281154U true CN207281154U (en) | 2018-04-27 |
Family
ID=61979222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721308965.2U Expired - Fee Related CN207281154U (en) | 2017-09-30 | 2017-09-30 | A kind of leakage current testing network box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207281154U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110687343A (en) * | 2019-10-22 | 2020-01-14 | 阳光电源股份有限公司 | Leakage current detection method and circuit |
-
2017
- 2017-09-30 CN CN201721308965.2U patent/CN207281154U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110687343A (en) * | 2019-10-22 | 2020-01-14 | 阳光电源股份有限公司 | Leakage current detection method and circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102023182B (en) | True root mean square value detection-based soil moisture sensor | |
| CN201654130U (en) | Automatic measuring and calibrating device of high-impedance measuring apparatus | |
| CN100451572C (en) | Liquid-level detecting method of conductive liquid and system | |
| CN207352137U (en) | A kind of adaptor power supplies Auto-Test System | |
| CN107561468A (en) | A kind of superfrequency partial enlargement signal generator | |
| CN103631690A (en) | Electric power collecting and copying device RS485 interface handheld type tester and testing method thereof | |
| CN107345986A (en) | A kind of impedance detecting method of De- embedding mode | |
| CN105866644A (en) | System for automatically collecting transformer oil paper insulation return voltage and testing method | |
| CN101644730A (en) | Circuit nuclear-phase method | |
| CN107656226B (en) | HFCT electrical parameter test device and test method based on transmission coefficient | |
| CN203705493U (en) | Oscilloscope probe for testing ripple waves | |
| CN207281154U (en) | A kind of leakage current testing network box | |
| CN105093087A (en) | ESD characteristic test system | |
| CN106443549B (en) | A kind of analog AC resistance device for calibration battery internal resistance test device | |
| CN105929218A (en) | Two-channel non-contact measurement device of voltage below 1000V | |
| CN109406877A (en) | The measurement method and device of capacitance type potential transformer harmonic propagation coefficient | |
| CN205657907U (en) | But circuit board of impedance of simultaneous measurement via hole and via hole loss | |
| CN204439721U (en) | A kind of capacitive divider wideband impedance measurement system of Excavation Cluster Based on Network Analysis instrument | |
| CN105626501B (en) | A kind of electric submersible pump working-condition monitoring system failure diagnostic apparatus | |
| CN203054091U (en) | Narrow-band carrier access impedance testing device for low-voltage power lines | |
| CN207908626U (en) | A kind of simulation high frequency Partial discharge signal generating means | |
| CN105738418A (en) | Soil moisture detector suitable for different soil depths | |
| CN205920176U (en) | Exchange electric capacity characteristics measurement equipment under carrier wave wantonly | |
| CN204789729U (en) | High potential of nai radio frequency voltage tester appearance is with probe | |
| CN104459492A (en) | Partial discharge detection device and detection method for power cable voltage-withstand test |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180427 Termination date: 20200930 |