CN207424155U - Power failure detection device - Google Patents
Power failure detection device Download PDFInfo
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- CN207424155U CN207424155U CN201721326538.7U CN201721326538U CN207424155U CN 207424155 U CN207424155 U CN 207424155U CN 201721326538 U CN201721326538 U CN 201721326538U CN 207424155 U CN207424155 U CN 207424155U
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- electrically connected
- controller
- input terminal
- output terminal
- contactor
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- 238000001514 detection method Methods 0.000 title claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims abstract description 24
- 230000007257 malfunction Effects 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 239000003990 capacitor Substances 0.000 abstract description 3
- 230000008030 elimination Effects 0.000 abstract description 3
- 238000003379 elimination reaction Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 24
- 230000033228 biological regulation Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 230000006837 decompression Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
Abstract
The utility model is related to short trouble detection technique fields, it is a kind of power failure detection device, it includes controller, A.C. contactor, electronic pressure controller, rectification module, times die block and monitoring modular, controller respectively with A.C. contactor, electronic pressure controller and monitoring modular electrical connection, the input terminal of A.C. contactor is electrically connected with air switch, the output terminal of A.C. contactor is electrically connected with the input terminal of electronic pressure controller, the output terminal of electronic pressure controller is electrically connected with the input terminal of rectification module, the output terminal of rectification module is electrically connected with the input terminal of times die block, times output terminal of die block is electrically connected with the input terminal of monitoring modular, the output terminal of monitoring modular is electrically connected with wire connection terminal.The utility model can carry out fault detect to power equipments such as overhead transmission line, cable run, capacitor group, voltage transformer breaker, disconnecting switch, the busbares after failure, effectively increase the malfunction elimination efficiency to power equipment, improve power transmission success rate.
Description
Technical field
The utility model is related to short trouble detection technique fields, are a kind of power failure detection devices.
Background technology
At present, after short trouble occurs for power equipment, the normality processing mode taken is that electric power is set using insulating megger
The standby insulation resistance that carries out judges to search failure, i.e. Insulation test comparison method.This method is to metallic short circuit failure or equipment
Insulation drops to that specified value is more effective, since the failure of electric system is mostly high resistive fault, normal reach ratio under special circumstances
The insulation resistance of faulty section is also low, and repair personnel is difficult to be judged from test data, the possibility of erroneous judgement be up to 50% with
On.To solve the above problems, electric system regulation is provided in a manner that electric power system examination is sent, that is, close the electricity of certain power equipment
Source killer switch, when protecting electrical power system acts or sends ground signalling, it was demonstrated that the power equipment is faulty.But this mode
It there are greater risk, may not only cause that large area user has a power failure in short-term or quality of voltage is impacted, and electric power system is rushed
It hits greatly.
The content of the invention
The utility model provides a kind of power failure detection device, overcomes the deficiency of the above-mentioned prior art, can have
Effect solves the problem of to cause to judge by accident there are troubleshooting improper measures when short trouble processing occurs for existing power equipment, more into
One step solves the problems, such as the existing device for judging short trouble, and to electric system, there are malicious influences.
The technical solution of the utility model is realized by following measures：A kind of power failure detection device, including
Controller, A.C. contactor, electronic pressure controller, rectification module, times die block and monitoring modular, the controller is respectively with exchanging
Contactor, electronic pressure controller and monitoring modular electrical connection, the input terminal of the A.C. contactor are electrically connected with air switch, institute
It states the output terminal of A.C. contactor to be electrically connected with the input terminal of electronic pressure controller, output terminal and the rectification mould of the electronic pressure controller
The input terminal electrical connection of block, the output terminal of the rectification module are electrically connected with the input terminal of times die block, the output of times die block
End is electrically connected with the input terminal of monitoring modular, and the output terminal of monitoring modular is electrically connected with wire connection terminal.
Here is the further optimization and/or improvements to above-mentioned utility model technical solution：
Above-mentioned to further include state indicator module, the state indicator module is electrically connected with the controller.
Above-mentioned state indicator module includes normal display indicating member and malfunction coefficient indicating member, and the normal display refers to
Showing that unit includes green LED indicator lamp, the malfunction coefficient indicating member includes red LED indicator light and alarm buzzer,
The green LED indicator lamp, red LED indicator light and alarm buzzer are electrically connected with the controller.
Monitoring modular described above is capacitance decompression device.
Controller described above is dsp chip.
The utility model reasonable and compact in structure, it is easy to use, by controller from monitoring modular obtain output voltage,
The information such as the electric current of test item are calculated, and then control electronic pressure controller pressure regulation, so as to control the size of output voltage；Work as quilt
When the electric current of test product is more than setting valve, order control A.C. contactor cut-out external input power is sent immediately.The utility model
Fault detect can be carried out to overhead transmission line, the cable run after failure；Simultaneously also can to after failure capacitor group, mutual induction of voltage
The equipment such as device breaker, disconnecting switch, busbar carry out fault detect, effectively improve the malfunction elimination efficiency to power equipment, carry
High power transmission success rate.
Description of the drawings
Attached drawing 1 is the electrical connection block diagram of the best embodiment of the utility model.
Specific embodiment
The utility model, can technical solution according to the present utility model and actual conditions from the limitation of following embodiments
Determine specific embodiment.
The utility model is further described with reference to embodiment and attached drawing：
As shown in Figure 1, which includes controller, A.C. contactor, electronic pressure controller, rectification mould
Block, times die block and monitoring modular, the controller are electrically connected respectively with A.C. contactor, electronic pressure controller and monitoring modular
It connects, the input terminal of the A.C. contactor is electrically connected with air switch, the output terminal and electronic pressure controller of the A.C. contactor
Input terminal electrical connection, the output terminal of the electronic pressure controller is electrically connected with the input terminal of rectification module, the rectification module
Output terminal is electrically connected with the input terminal of times die block, and the output terminal of times die block is electrically connected with the input terminal of monitoring modular, monitoring
The output terminal of module is electrically connected with wire connection terminal.
In actual use, air switch is connected electrically on mains electricity input end, air switch is mainly used for cut-out exchange city
Electricity disconnects air switch after experiment, it is ensured that no test voltage output, it is ensured that testing crew personal safety.The monitoring modular
Output terminal on be electrically connected with test voltage output line, one end of test item is connected electrically on wire connection terminal, test item it is another
End is electrically connected with test voltage output line.Here controller obtains output voltage, electric current of test item etc. by monitoring modular
Information is simultaneously calculated, meanwhile, controller controls electronic pressure controller pressure regulation according to result of calculation, so as to control the output of test item
Voltage value；When the electric current of test item is more than setting valve, it is external defeated that controller sends order control A.C. contactor cut-out immediately
Enter power supply.A.C. contactor is mainly used for working as test item（That is power equipment）When being more than test current value because of failure cause, control
Device can say the word to A.C. contactor, so as to disconnect input power.Electronic pressure controller is mainly used for test item（Power equipment）
Input voltage controlled, electronic pressure controller receive controller send pressure regulation instruction, adjust voltage value.Rectification module is main
Alternating voltage for being exported to electronic pressure controller carries out rectification, exports direct current power source voltage.Times die block mainly exports subject
The required DC voltage of product（8 kilovolts to 10 kilovolts）.Monitoring modular mainly monitors the voltage magnitude exported from test item, electric current
Amplitude, and send the data to controller.Wire connection terminal facilitates detection device to be connected by the wire connection terminal with test wire, is quilt
Test product provides test voltage.
The utility model can carry out fault detect to overhead transmission line, the cable run after failure；After simultaneously also can be to failure
Capacitor group, voltage transformer breaker, disconnecting switch, the power equipments such as busbar carry out fault detect, effectively increase pair
The malfunction elimination efficiency of power equipment improves power transmission success rate.
Above-mentioned power failure detection device can be made further optimization and/or improvements according to actual needs：
As shown in Figure 1, state indicator module is further included, the state indicator module is electrically connected with the controller.
As shown in Figure 1, state indicator module includes normal display indicating member and malfunction coefficient indicating member, it is described just
Often display indicating member includes green LED indicator lamp, and the malfunction coefficient indicating member includes red LED indicator light and alarm
Buzzer, the green LED indicator lamp, red LED indicator light and alarm buzzer are electrically connected with the controller.Here pass through
Normal display indicating member and malfunction coefficient indicating member are set, can be more convenient whether prompting staff's test item is normal
State, if test item is normal, green LED indicator lamp is bright, if test item, there are failure, red LED indicator light is bright, while bee
Ring device sends alarm, and staff is prompted to carry out later maintenance.
As shown in Figure 1, the monitoring modular is capacitance decompression device.Here capacitance decompression device is existing known technology,
It is mainly used for the amplitude of the amplitude of output voltage and output current being transmitted to controller.
As shown in Figure 1, the controller is dsp chip.The chip has the function of 32 floating-point operations, has powerful
Digital signal processing capability for obtaining the information such as the electric current of output voltage, test item according to monitoring modular, calculates analysis subject
Whether the voltage magnitude and current amplitude of product are more than setting valve, so as to judge whether short trouble occur.
More than technical characteristic constitutes the most preferred embodiment of the utility model, with stronger adaptability and optimal implementation
Effect can increase and decrease non-essential technical characteristic, to meet the needs of different situations according to actual needs.
Claims (6)
1. a kind of power failure detection device, it is characterised in that including controller, A.C. contactor, electronic pressure controller, rectification mould
Block, times die block and monitoring modular, the controller are electrically connected respectively with A.C. contactor, electronic pressure controller and monitoring modular
It connects, the input terminal of the A.C. contactor is electrically connected with air switch, the output terminal and electronic pressure controller of the A.C. contactor
Input terminal electrical connection, the output terminal of the electronic pressure controller is electrically connected with the input terminal of rectification module, the rectification module
Output terminal is electrically connected with the input terminal of times die block, and the output terminal of times die block is electrically connected with the input terminal of monitoring modular, monitoring
The output terminal of module is electrically connected with wire connection terminal.
2. power failure detection device according to claim 1, it is characterised in that further include state indicator module, the shape
State indicating module is electrically connected with the controller.
3. power failure detection device according to claim 2, it is characterised in that state indicator module includes normal display
Indicating member and malfunction coefficient indicating member, the normal display indicating member include green LED indicator lamp, the malfunction coefficient
Indicating member includes red LED indicator light and alarm buzzer, the green LED indicator lamp, red LED indicator light and report
Alert buzzer is electrically connected with the controller.
4. according to the power failure detection device described in claim 1 or 2 or 3, it is characterised in that the monitoring modular is capacitance
Reducing transformer.
5. according to the power failure detection device described in claim 1 or 2 or 3, it is characterised in that the controller is DSP cores
Piece.
6. power failure detection device according to claim 4, it is characterised in that the controller uses dsp chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721326538.7U CN207424155U (en) | 2017-10-13 | 2017-10-13 | Power failure detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721326538.7U CN207424155U (en) | 2017-10-13 | 2017-10-13 | Power failure detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207424155U true CN207424155U (en) | 2018-05-29 |
Family
ID=62311355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721326538.7U Active CN207424155U (en) | 2017-10-13 | 2017-10-13 | Power failure detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207424155U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107561402A (en) * | 2017-10-13 | 2018-01-09 | 国网新疆电力公司阿勒泰供电公司 | Power failure detection means |
-
2017
- 2017-10-13 CN CN201721326538.7U patent/CN207424155U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107561402A (en) * | 2017-10-13 | 2018-01-09 | 国网新疆电力公司阿勒泰供电公司 | Power failure detection means |
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