CN206920540U - A kind of integration test device of analog DC system integration type earth fault - Google Patents
A kind of integration test device of analog DC system integration type earth fault Download PDFInfo
- Publication number
- CN206920540U CN206920540U CN201720852447.0U CN201720852447U CN206920540U CN 206920540 U CN206920540 U CN 206920540U CN 201720852447 U CN201720852447 U CN 201720852447U CN 206920540 U CN206920540 U CN 206920540U
- Authority
- CN
- China
- Prior art keywords
- branch road
- housing
- analog
- test device
- integration
- 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.)
- Active
Links
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model belongs to field of measuring technique, more particularly, to a kind of integration test device of analog DC system integration type earth fault.Including controlling test instrument, resultant fault simulative generator, controlling test instrument is connected with resultant fault simulative generator, controlling test instrument includes the first housing, control board is provided with first shell body, the surface of first housing is provided with LCDs, panel is set, run button, master switch, control board respectively with LCDs, panel is set, run button, master switch is connected, resultant fault simulative generator includes the second housing, second housing is provided with needle dc voltmeter, indicator type current meter, DC output devices, DC output devices pass through I sections branch road and needle dc voltmeter, indicator type current meter is connected, DC output devices pass through II sections branch road and needle dc voltmeter, indicator type current meter is connected.Advantage is：The research range of experiment is wide, and polyvinyl chloride is efficient.
Description
Technical field
The utility model belongs to field of measuring technique, more particularly, to a kind of analog DC system integration type earth fault
Integration test device.
Background technology
Straight-flow system as electrical secondary system control in plant stand, protection, signal and automatics power supply supply source, its own
Stable operation of the reliability and safety on hair power supply have epochmaking influence, and DC system earth fault is always factory
An extremely weak link in power system of standing, meanwhile, straight-flow system connected equipment is more, loop framework is complicated, by its ground connection
The difference of situation can produce various faults type.Relatively conventional earth fault has single-point grounding, two points ground fault in straight-flow system
And there are the polytypes such as load branch ground connection, system earth multipoint earthing, trouble point.System operation is under different operating modes, respectively
Consequence also differs caused by type fault, only potential threat and accident potential may can be formed to system when lighter, when serious
The electrical secondary system of whole plant stand can then be caused a serious accident.Therefore, integration type of the straight-flow system under different operating modes is connect
It is significant that earth fault carries out experimental study.
Utility model content
The purpose of this utility model is in view of the above-mentioned problems, providing a kind of analog DC system reasonable in design, simple in construction
The integration test device for integration type earth fault of uniting.
To reach above-mentioned purpose, the utility model employs following technical proposal：This analog DC system integration type connects
The integration test device of earth fault includes controlling test instrument, resultant fault simulative generator, described controlling test instrument and synthesis
Fault simulation generator is connected, and described controlling test instrument includes the first housing, and control electricity is provided with described first shell body
Road plate, the surface of the first housing are provided with LCDs, set panel, operation button, master switch, described control board
It is connected respectively with LCDs, setting panel, operation button, master switch, described resultant fault simulative generator includes
Second housing, the second described housing are provided with needle dc voltmeter, indicator type current meter, DC output devices, and described is straight
Stream output device is connected by I sections branch road with needle dc voltmeter, indicator type current meter, and described DC output devices pass through
II sections branch road is connected with needle dc voltmeter, indicator type current meter.
In the integration test device of above-mentioned analog DC system integration type earth fault, described I sections branch road, II
Branch road work condition indication lamp is provided with Duan Zhilu.
In the integration test device of above-mentioned analog DC system integration type earth fault, I sections branch road is provided with branch
Road is thrown and backs out pass, II sections branch road is provided with branch road throwing and backs out pass, and interconnection switch is provided between I sections branch road and II section branch roads.
In the integration test device of above-mentioned analog DC system integration type earth fault, described direct current output dress
Put including DC output power, described DC output power is connected with display screen, and DC output power is pressed with output regulation
Button is connected.
In the integration test device of above-mentioned analog DC system integration type earth fault, outside DC output power
Shell is provided with heat emission hole grid.
In the integration test device of above-mentioned analog DC system integration type earth fault, on the first described housing
Provided with failure trigger button, described failure trigger button is connected with control board.
In the integration test device of above-mentioned analog DC system integration type earth fault, on the first described housing
Provided with attaching plug and protective grounding port, attaching plug is connected with control board, protective grounding port and control circuit
Plate is connected.
Compared with prior art, the advantages of the integration test device of this analog DC system integration type earth fault
In：Position of failure point and fault type can be set respectively, can be reacted to symmetrical operation, asymmetric operation shape in straight-flow system
The characteristic quantity of various types of earth faults under state, according to the test requirements document of different system, can realize to single set straight-flow system and
Fault simulating test under double set straight-flow system fanout operations and paired running operating mode, the research range of experiment is wide, polyvinyl chloride
Efficiently.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of controlling test instrument provided by the utility model.
Fig. 2 is the structural representation of resultant fault simulative generator provided by the utility model.
Fig. 3 is structured flowchart provided by the utility model.
In figure, controlling test instrument 1, resultant fault simulative generator 2, the first housing 3, LCDs 4, set panel 5,
Run button 6, master switch 7, the second housing 8, needle dc voltmeter 9, indicator type current meter 10, DC output devices 11, I section branch
Road 12, II sections branch road 13, branch road work condition indication lamp 14, branch road, which are thrown, backs out pass 15, interconnection switch 16, DC output power 17, aobvious
Display screen 18, output regulation button 19, heat emission hole grid 20, failure trigger button 21, attaching plug 22, protective grounding port 23, control
Circuit board 24 processed.
Embodiment
It is the specific embodiment of utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As Figure 1-3, the integration test device of this analog DC system integration type earth fault includes controlling test
Instrument 1, resultant fault simulative generator 2, controlling test instrument 1 are connected with resultant fault simulative generator 2.
Wherein, controlling test instrument 1 includes the first housing 3, and control board 24 is provided with the first housing 3, the first housing 3
Surface be provided with LCDs 4, set panel 5, operation button 6, master switch 7, control board 24 respectively with liquid crystal display
Screen 4, panel 5, operation button 6, master switch 7 is set to be connected.First housing 3 is provided with failure trigger button 21, failure triggering
Button 21 is connected with control board 24.First housing 3 is provided with attaching plug 22 and protective grounding port 23, attaching plug
22 are connected with control board 24, and protective grounding port 23 is connected with control board 24.
Attaching plug 22, master switch 7 provide working power for instrument；LCDs 4 and setting panel 5 realize man-machine boundary
Face interacts, input, the regulation of test parameters, function switch, the functions such as option modification confirms and test data record preserves；
24 pin connectors and the special matching of fault simulation system, to I sections branch road 12 and II sections in fault simulation system
Eight experiment parameters of branch road 13 and the test data of 16 road branch roads are attached transmission；Controlled for experiment protective grounding port 23
Instrument 1 processed provides reliably protecting ground connection, Instrument shell is maintained at zero potential under drain conditions, use is safer.In addition, connect
Ground well can effectively shield the interference in electric field and magnetic field, and a stable zero voltage reference is established for signal measuring loop path
Point, improve test measurement precision.
Based on the phylogenetic integrated ground fault type of actual DC, the utility model experimental rig position of failure point can
Be arranged at single spur track, at multiple branch circuit, system side and mains side, fault type may be configured as single-point grounding, multipoint earthing and just
Negative pole short circuit etc., test parameters is set according to the Test to Failure to be simulated, operation button 6 puts into system, and initial state is
Analog DC system brings into operation in normal conditions, and failure trigger button 21 makes system enter the fault case preset, starts
Fault simulating test, and record Test to Failure data.
Wherein, resultant fault simulative generator 2 includes the second housing 8, and the second housing 8 is provided with needle dc voltmeter 9, referred to
Pin type ammeter 10, DC output devices 11, DC output devices 11 pass through I sections branch road 12 and needle dc voltmeter 9, pointer-type
Ammeter 10 is connected, and DC output devices 11 are connected by II sections branch road 12 with needle dc voltmeter 9, indicator type current meter 10
Connect.Branch road work condition indication lamp 14 is provided with I sections branch road 12, II sections branch road 12.I sections branch road 12 is provided with branch road throwing and backs out pass
15th, II sections branch road 12 is provided with branch road throwing and backs out pass 15, and interconnection switch 16 is provided between I sections branch road 12 and II sections branch road 12.Directly
Stream output device 11 includes DC output power 17, and DC output power 17 is connected with display screen 18, DC output power 17
It is connected with output regulation button 19.The shell of DC output power 17 is provided with heat emission hole grid 20.
Resultant fault simulative generator 2 sets I sections branch road 12, II sections branch road 13 and 16 tunnel DC load branch roads altogether, each
Road, which correspondingly configures branch road work condition indication lamp 14 and branch road, throws and backs out pass 15, and not exclusively the putting into operation of load branch can react pair
The influence of system degree of unbalancedness.Branch road work condition indication lamp 14 can react three kinds of states of the branch road：Green light be normal operation in,
Red light is branch trouble state, extinguishes and is not put into operation for the branch road.
Needle dc voltmeter 9, indicator type current meter 10 correspond to the bus electricity of display I sections branch road 12 and II sections branch road 13 respectively
Pressure, electric current, mains side voltage, the electric current of I sections branch road 12 and II sections branch road 13, straight-flow system moved back in throwing, side by side, point row and failure
Electric parameter occurs that very big transient state is shoved fluctuation during state, can using needle dc voltmeter 9 and indicator type current meter 10
The fluctuating change situation directly perceived for characterizing system charge, visual impression are strong.The fluctuation situation of electric parameter can reflect to a certain extent
To the impact degree of system under different faults state, final test data, which can enter in controlling test instrument 1, is consulted.
For double set straight-flow systems, running status has two kinds of operating modes of fanout operation and paired running, will according to different tests
Ask, interconnection switch 16 can control I sections branch road 12 and the paired running of II sections branch road 13 or fanout operation.DC output devices 11 are made
For I sections branch road 12 and the independent direct-current power supply of II sections branch road 13, the adjustment control output voltage of regulation button 19 is exported, currently
Output voltage values shown by display screen 18, amount of heat can be produced during power work, module housing is provided with heat emission hole grid 20
Radiated.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (7)
1. a kind of integration test device of analog DC system integration type earth fault, it is characterised in that including controlling test
Instrument (1), resultant fault simulative generator (2), described controlling test instrument (1) are connected with resultant fault simulative generator (2),
Described controlling test instrument (1) includes the first housing (3), is provided with control board (24) in described the first housing (3), and first
The surface of housing (3) is provided with LCDs (4), sets panel (5), operation button (6), master switch (7), described control
Circuit board (24) is connected with LCDs (4), setting panel (5), operation button (6), master switch (7) respectively, described
Resultant fault simulative generator (2) includes the second housing (8), described the second housing (8) be provided with needle dc voltmeter (9),
Indicator type current meter (10), DC output devices (11), described DC output devices (11) pass through I sections branch road (12) and pointer
Formula voltmeter (9), indicator type current meter (10) are connected, and described DC output devices (11) are by II sections branch road (12) with referring to
Pin type voltmeter (9), indicator type current meter (10) are connected.
2. the integration test device of analog DC system integration type earth fault according to claim 1, its feature exist
In being provided with branch road work condition indication lamp (14) on described I sections branch road (12), II sections branch road (12).
3. the integration test device of analog DC system integration type earth fault according to claim 2, its feature exist
In I sections branch road (12) is thrown provided with branch road and backs out pass (15), II sections branch road (12) is provided with branch road throwing and backs out pass (15), I section branch
Interconnection switch (16) is provided between road (12) and II sections branch road (12).
4. the integration test device of analog DC system integration type earth fault according to claim 3, its feature exist
In described DC output devices (11) include DC output power (17), described DC output power (17) and display screen
(18) it is connected, DC output power (17) is connected with output regulation button (19).
5. the integration test device of analog DC system integration type earth fault according to claim 4, its feature exist
In the shell of DC output power (17) is provided with heat emission hole grid (20).
6. the integration test device of analog DC system integration type earth fault according to claim 1, its feature exist
In described the first housing (3) is provided with failure trigger button (21), described failure trigger button (21) and control board
(24) it is connected.
7. the integration test device of analog DC system integration type earth fault according to claim 6, its feature exist
In described the first housing (3) is provided with attaching plug (22) and protective grounding port (23), attaching plug (22) and control electricity
Road plate (24) is connected, and protective grounding port (23) are connected with control board (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720852447.0U CN206920540U (en) | 2017-07-13 | 2017-07-13 | A kind of integration test device of analog DC system integration type earth fault |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720852447.0U CN206920540U (en) | 2017-07-13 | 2017-07-13 | A kind of integration test device of analog DC system integration type earth fault |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206920540U true CN206920540U (en) | 2018-01-23 |
Family
ID=61347171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720852447.0U Active CN206920540U (en) | 2017-07-13 | 2017-07-13 | A kind of integration test device of analog DC system integration type earth fault |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206920540U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179470A (en) * | 2017-07-13 | 2017-09-19 | 云南电网有限责任公司红河供电局 | A kind of integration test device of analog DC system integration type earth fault |
-
2017
- 2017-07-13 CN CN201720852447.0U patent/CN206920540U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179470A (en) * | 2017-07-13 | 2017-09-19 | 云南电网有限责任公司红河供电局 | A kind of integration test device of analog DC system integration type earth fault |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104777444B (en) | Arrester discharge counter comprehensive calibrator and method of calibration | |
| CN109854414A (en) | A kind of safety ignition mechanism unit tester | |
| CN102798759A (en) | Insulation resistance test system | |
| CN206920540U (en) | A kind of integration test device of analog DC system integration type earth fault | |
| CN107179470A (en) | A kind of integration test device of analog DC system integration type earth fault | |
| CN103499750A (en) | Portable multifunctional shore power system tester | |
| CN206178056U (en) | Distribution automation debugging equipment that does not have a power failure | |
| CN206583994U (en) | A kind of intelligent distribution network terminal installation testing stand | |
| CN104751715A (en) | Electric shock fault simulation training device and testing method | |
| CN205103298U (en) | Electric signal tester | |
| CN219609088U (en) | Data checking tester for improving factory detection efficiency of grid-connected inverter | |
| CN206235690U (en) | A kind of band aviation plug cable switching detection device | |
| CN203325135U (en) | 100 A-250 A rectangle electrical fire hazard alarm and detection device | |
| CN106199458A (en) | A kind of power sense circuit | |
| CN103236689A (en) | Power quality diagnosis and management simulating device | |
| CN104808067A (en) | Multifunctional digital CT (Computed Tomography) secondary detector | |
| CN205081518U (en) | Low noise biasing ware | |
| CN204256005U (en) | Airborne avionics information simulation device | |
| CN206411511U (en) | A kind of Portable self-propelled rocket gun servomechanism in situ detection instrument | |
| CN111830361B (en) | Method for detecting corrosion fault of grounding grid of oil field tank field | |
| CN207007972U (en) | A kind of multi-core cable tester | |
| CN203455424U (en) | Portable multifunctional shore power system tester | |
| CN203746272U (en) | Radio station simulated training system architecture | |
| CN207081798U (en) | High-tension cable oversheath fault locator | |
| CN105226766A (en) | A kind of low noise bias device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |