CN217561706U - Detection system of direct current source insulation monitoring device - Google Patents
Detection system of direct current source insulation monitoring device Download PDFInfo
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- CN217561706U CN217561706U CN202123303177.3U CN202123303177U CN217561706U CN 217561706 U CN217561706 U CN 217561706U CN 202123303177 U CN202123303177 U CN 202123303177U CN 217561706 U CN217561706 U CN 217561706U
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- insulation monitoring
- direct current
- monitoring device
- detection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
Abstract
The utility model discloses a DC source insulation monitoring device's detecting system. The device comprises a three-phase standard source and a detection control system connected with the three-phase standard source, wherein the detection control system is connected with a fault resistance box, a leakage current sensor and a signal acquisition module, the fault resistance box is connected with a test circuit of an insulation monitoring module, the three-phase standard source can directly test the voltage value of a fault voltage positioning module through the control of the detection control system, the leakage current sensor is connected with a fault line positioning module, and the relay of the fault voltage positioning module and the relay of the fault line positioning module are respectively connected with the signal acquisition module. Has the advantages that: the detection system can simultaneously detect various functional parameters of three functional modules of the direct current source insulation monitoring device, analyze the overall performance of the direct current source insulation monitoring device and judge the performance of the direct current source insulation monitoring device, thereby ensuring that the direct current source insulation monitoring device which is qualified in detection can reliably operate.
Description
Technical Field
The invention relates to a detection technology of an insulation monitoring device, in particular to a detection system of a direct-current source insulation monitoring device.
Background
In the prior art, a conventional insulation monitoring device is generally divided into three types, namely an insulation monitoring module, a fault voltage positioning module and a fault line positioning module, in the prior art, for detection of the insulation monitoring device, each functional parameter of each functional module is generally detected by utilizing an independent detection unit respectively, so as to ensure normal operation of each functional module.
Disclosure of Invention
The invention aims to provide a detection system of a direct current source insulation monitoring device, which has simple structural design and good detection reliability, can simultaneously detect various functional parameters of three functional modules and judge the performance of the functional modules.
In order to solve the technical problem, the detection system of the direct current source insulation monitoring device comprises a three-phase standard source and a detection control system connected with the three-phase standard source, wherein the detection control system is connected with a fault resistance box, a leakage current sensor and a signal acquisition module, the fault resistance box is connected with a test circuit of the insulation monitoring module and can detect the insulation resistance value of the insulation monitoring module, the three-phase standard source can directly test the voltage value of a fault voltage positioning module through the control of the detection control system, the leakage current sensor is connected with a fault line positioning module and can detect the leakage current induction value variation of the fault line positioning module, and relays of the fault voltage positioning module and the fault line positioning module are respectively connected with the signal acquisition module and can respectively judge whether the output of the relays of the fault voltage positioning module and the fault line positioning module is normal or not through the signal acquisition module.
Further, an isolation transformer is connected between the three-phase standard source and the detection control system.
Further, the transformer is a 2kW isolation 1.
Further, the detection control system has a touch screen for inputting detection information.
Further, the detection control system is connected with a power supply.
Further, the power supply is a 120W/DC24V power supply.
Further, the signal acquisition module is a DI 32-bit signal acquisition module. The invention has the advantages that:
the detection system can simultaneously detect various functional parameters of three functional modules of the direct current source insulation monitoring device, analyze the overall performance of the direct current source insulation monitoring device and judge the performance of the direct current source insulation monitoring device, thereby ensuring that the direct current source insulation monitoring device which is qualified in detection can reliably operate.
Drawings
FIG. 1 is a schematic block diagram of a detection system of the insulation monitoring device of the DC source of the present invention;
fig. 2 is a circuit diagram of a detection system of the dc source insulation monitoring device of the present invention.
Detailed Description
The following describes the detection system of the dc source insulation monitoring device in further detail with reference to the accompanying drawings and the detailed description.
As shown in the figure, the detection system of the DC source insulation monitoring device of this embodiment, including the three-phase standard source, detect control system and connect 2kW between three-phase standard source and detection control system and keep apart 1 transformer, it has the touch-sensitive screen that is used for inputing detection information to detect control system, it is connected with 120W/DC24V power to detect control system, it still is connected with the fault resistance case to detect control system, leakage current sensor and DI32 bit signal acquisition module, the test circuit of fault resistance case connection insulation monitoring module can detect the insulation resistance value of insulation monitoring module, can directly test the voltage value of fault voltage orientation module through the control three-phase standard source of detection control system, leakage current sensor is connected with fault line orientation module and can detect fault line orientation module to the leakage current induction value variation, fault voltage orientation module has 10A/2P circuit breaker, fault line orientation module's relay has 32A/4P circuit breaker, fault voltage orientation module and fault line orientation module's relay is connected with signal acquisition module respectively and can judge whether fault voltage orientation module and fault line orientation module's relay output is normal through signal acquisition module respectively.
The detection method comprises the following steps:
A. switching on a power supply, checking whether communication addresses of the insulation monitoring module, the fault voltage positioning module and the fault line positioning module are correct or not, then confirming that the insulation monitoring module, the fault voltage positioning module and the fault line positioning module are communicated through a touch screen, and judging whether the communication of the insulation monitoring module, the fault voltage positioning module and the fault line positioning module is normal or not;
B. a fault resistance box is connected into a test circuit of the insulation monitoring module, resistors with different resistance values are connected into the fault resistance box, and the accuracy of the insulation resistance value of the module is detected;
C. testing the accuracy of the voltage value of the fault voltage positioning module through the voltage change of the three-phase standard source;
D. a leakage current sensor is connected into the fault line positioning module, and the variation of the fault line positioning module on the leakage current induction value is detected;
E. the action of the relay of the fault voltage positioning module and the fault line positioning module is controlled through the touch screen, the action is reflected to the signal acquisition module, and whether the output of the relay is normal or not is judged.
Claims (7)
1. The utility model provides a detection system of insulating monitoring devices of direct current source which characterized in that: including three-phase standard source and the detection control system who is connected with three-phase standard source, it is connected with trouble resistance box, leakage current sensor and signal acquisition module to detect control system, the test circuit of insulating monitoring module is connected to the trouble resistance box and can detect insulating monitoring module's insulation resistance, through the control three-phase standard source that detects control system can directly test fault voltage orientation module's magnitude of voltage, leakage current sensor is connected with fault line orientation module and can detect fault line orientation module to leakage current response value change volume, fault voltage orientation module and fault line orientation module's relay is connected respectively whether signal acquisition module can judge fault voltage orientation module and fault line orientation module's relay output respectively through signal acquisition module is normal.
2. The system for detecting insulation monitoring of a direct current source according to claim 1, wherein: and an isolation transformer is connected between the three-phase standard source and the detection control system.
3. The detection system of the insulation monitoring device of the direct current source according to claim 2, wherein: the transformer is a 2kW isolation 1.
4. A dc source insulation monitoring device detection system according to claim 1, 2 or 3, wherein: the detection control system has a touch screen for inputting detection information.
5. The system for detecting the insulation monitoring device of a direct current source according to claim 4, wherein: the detection control system is connected with a power supply.
6. The system for detecting insulation monitoring of a direct current source according to claim 5, wherein: the power supply is a 120W/DC24V power supply.
7. The detection system of the insulation monitoring device of the direct current source according to claim 1, wherein: the signal acquisition module is a DI 32-bit signal acquisition module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123303177.3U CN217561706U (en) | 2021-12-24 | 2021-12-24 | Detection system of direct current source insulation monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123303177.3U CN217561706U (en) | 2021-12-24 | 2021-12-24 | Detection system of direct current source insulation monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217561706U true CN217561706U (en) | 2022-10-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123303177.3U Active CN217561706U (en) | 2021-12-24 | 2021-12-24 | Detection system of direct current source insulation monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217561706U (en) |
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2021
- 2021-12-24 CN CN202123303177.3U patent/CN217561706U/en active Active
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