CN203595741U - High-isolation-voltage test device - Google Patents
High-isolation-voltage test device Download PDFInfo
- Publication number
- CN203595741U CN203595741U CN201320723636.XU CN201320723636U CN203595741U CN 203595741 U CN203595741 U CN 203595741U CN 201320723636 U CN201320723636 U CN 201320723636U CN 203595741 U CN203595741 U CN 203595741U
- Authority
- CN
- China
- Prior art keywords
- test
- ground
- power supply
- selection switch
- voltage
- 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
- 238000009434 installation Methods 0.000 claims description 9
- 238000002955 isolation Methods 0.000 abstract description 13
- 238000009413 insulation Methods 0.000 abstract description 4
- 230000015556 catabolic process Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
Images
Landscapes
- Tests Of Electronic Circuits (AREA)
Abstract
本实用新型涉及一种测试装置，尤其是高隔离电压测试装置。该测试装置的电路包括蓄电池、电源地、输入地、输出地、被测试隔离放大器、测试选择开关、高压测试电流表和高压电源，本装置能够避免因电流Irx流过绝缘电阻而产生测试数据错误，并且避免了分布电容被击穿，节约了成本，提高了工作效率。
The utility model relates to a test device, in particular to a high isolation voltage test device. The circuit of the test device includes battery, power ground, input ground, output ground, isolated amplifier to be tested, test selection switch, high-voltage test ammeter and high-voltage power supply. This device can avoid test data errors caused by current Irx flowing through insulation resistance. Moreover, breakdown of distributed capacitance is avoided, cost is saved, and work efficiency is improved.
Description
Technical field
The utility model relates to a kind of proving installation, especially high-isolating proving installation.
Background technology
It between the power supply of isolated amplifier ground OG, ground, importation IG, output ground PG three, is at present isolation mutually on electric, between test mutually, want external 15V working power make isolated amplifier in running order when isolation voltage, as shown in Figure 1, when switch seated position 1, test the isolation voltage between PG and IG, the isolation voltage between PG and OG is tested in position 2, the isolation voltage between position 3 test I G and OG.But because the negative pole of 2kV high-voltage power supply output connects shell, and shell connects the earth, and the shell of 15V stabilized voltage supply is also to connect the earth simultaneously, and shell and internal wiring part exist certain insulation resistance RX and distributed capacitance CX.In the time testing the isolation voltage between PG and IG and test the isolation voltage between PG and OG, RX and CX have been equivalent to be parallel to the output terminal of high-voltage power supply, and as shown in Figure 2, this just flows through generation the electric current I rx of RX, cause test data mistake, and CX may be punctured.
Utility model content
Easily survey in order to overcome proving installation by mistake, and may puncture the deficiency of electric capacity, the utility model provides high-isolating proving installation.
The utility model solves the technical scheme that its technical matters adopts: high-isolating proving installation, tested isolated amplifier is connected with accumulator, PG one end, power supply ground is connected with the negative pole of accumulator, the other end is connected with test selection switch, IG one end, input ground is connected with tested isolated amplifier, the other end is connected with test selection switch, OG one end, output ground is connected with tested isolated amplifier, the other end is connected with test selection switch, Hi-pot test reometer one end is connected with the positive pole of high-voltage power supply, the other end is connected with test selection switch, the minus earth of high-voltage power supply.
According to another embodiment of the present utility model, further comprise: accumulator is 15V, high-voltage power supply is 2kV.
The beneficial effects of the utility model are: this device can be avoided producing test data mistake because electric current I rx flows through insulation resistance, and has avoided distributed capacitance breakdown, has saved cost, has improved work efficiency.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the schematic diagram of the utility model background technology;
Fig. 2 is the schematic diagram of the utility model background technology;
Fig. 3 is schematic diagram of the present utility model.
Embodiment
If Fig. 1 is the schematic diagram of the utility model background technology, Fig. 2 is the schematic diagram of the utility model background technology, Fig. 3 is schematic diagram of the present utility model, high-isolating proving installation, tested isolated amplifier is connected with accumulator, PG one end, power supply ground is connected with the negative pole of accumulator, the other end is connected with test selection switch, IG one end, input ground is connected with tested isolated amplifier, the other end is connected with test selection switch, OG one end, output ground is connected with tested isolated amplifier, the other end is connected with test selection switch, Hi-pot test reometer one end is connected with the positive pole of high-voltage power supply, the other end is connected with test selection switch, the minus earth of high-voltage power supply, accumulator is 15V, high-voltage power supply is 2kV.
When work, be isolation mutually between the power supply of isolated amplifier ground OG, ground, importation IG, output ground PG three on electric, between test mutually, external 15V accumulator makes isolated amplifier in running order when isolation voltage.When switch seated position 1, test the isolation voltage between PG and IG, the isolation voltage between PG and OG is tested in position 2, isolation voltage between position 3 test I G and OG, because accumulator and the earth are without electrical link, so this device can be avoided producing test data mistake because electric current I rx flows through insulation resistance, and avoid distributed capacitance breakdown, saved cost, improved work efficiency.
Claims (2)
1. high-isolating proving installation, it is characterized in that: tested isolated amplifier is connected with accumulator, PG one end, power supply ground is connected with the negative pole of accumulator, the other end is connected with test selection switch, IG one end, input ground is connected with tested isolated amplifier, the other end is connected with test selection switch, OG one end, output ground is connected with tested isolated amplifier, the other end is connected with test selection switch, Hi-pot test reometer one end is connected with the positive pole of high-voltage power supply, the other end is connected with test selection switch, the minus earth of high-voltage power supply.
2. high-isolating proving installation according to claim 1, is characterized in that: accumulator is 15V, and high-voltage power supply is 2kV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320723636.XU CN203595741U (en) | 2013-11-15 | 2013-11-15 | High-isolation-voltage test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320723636.XU CN203595741U (en) | 2013-11-15 | 2013-11-15 | High-isolation-voltage test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203595741U true CN203595741U (en) | 2014-05-14 |
Family
ID=50676610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320723636.XU Expired - Fee Related CN203595741U (en) | 2013-11-15 | 2013-11-15 | High-isolation-voltage test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203595741U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113466654A (en) * | 2021-06-01 | 2021-10-01 | 中国电子科技集团公司第四十三研究所 | Method for detecting isolation voltage of linear optical isolation amplifier |
-
2013
- 2013-11-15 CN CN201320723636.XU patent/CN203595741U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113466654A (en) * | 2021-06-01 | 2021-10-01 | 中国电子科技集团公司第四十三研究所 | Method for detecting isolation voltage of linear optical isolation amplifier |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202230128U (en) | An overcurrent detection and alarm circuit for a rechargeable battery | |
| CN203595741U (en) | High-isolation-voltage test device | |
| CN201955454U (en) | Test device for electric performance of battery pack | |
| CN103633675B (en) | Battery charger polarity Adaptable System | |
| CN202939233U (en) | Super capacitor charging/discharging performance testing device | |
| CN201974517U (en) | Metering detection device for earth resistance testers | |
| CN202260547U (en) | Charging circuit for charging super capacitor | |
| CN204855665U (en) | Analog circuit is organized to lithium cell for test | |
| CN202712884U (en) | Battery connection detecting circuit and battery charger | |
| CN202093153U (en) | Over-voltage detection and alarm circuit for rechargeable battery | |
| CN102621511A (en) | Measuring and testing device for ground resistance tester | |
| CN103490453A (en) | Double-battery charging and discharging circuit | |
| CN202956483U (en) | Power-on test tool | |
| CN203811642U (en) | A degaussing oscilloscope probe | |
| CN202383166U (en) | High-voltage test connection changeover box | |
| CN203537008U (en) | Large current circuit of preventing battery reverse connection | |
| CN201733130U (en) | Power supply management module circuit | |
| CN203490308U (en) | Double-configuration relay protection verification auxiliary apparatus | |
| CN205484439U (en) | A component connection box for circuit analysis experiment | |
| CN202904971U (en) | Teaching demonstration apparatus for resistance measurement by using voltmeter-ammeter method | |
| CN106153093A (en) | Portable test arrangement | |
| CN204314366U (en) | A kind of chargeable pointer reometer | |
| CN204612732U (en) | Portable test arrangement | |
| CN103499734A (en) | Rapid and portable tester for lead-acid battery charger | |
| CN203705597U (en) | Relay-based triode osclllator |
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: 20140514 Termination date: 20181115 |