CN109839560A - Transformer detection device - Google Patents
Transformer detection device Download PDFInfo
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- CN109839560A CN109839560A CN201711198209.3A CN201711198209A CN109839560A CN 109839560 A CN109839560 A CN 109839560A CN 201711198209 A CN201711198209 A CN 201711198209A CN 109839560 A CN109839560 A CN 109839560A
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- transformer
- sensor
- microprocessor
- shell
- detection device
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Abstract
The present invention relates to transformer detection device more particularly to a kind of transformer detection devices.It can realize electric leakage and overheating detection.Including shell；Hull outside installation LED display, control panel and the alarm；The enclosure interior is equipped with microprocessor and monitor；The monitor includes: earth leakage protective device, electric leakage collector, wireless communication device and power supply；The power supply is connected with wireless communication device, and the earth leakage protective device is mounted in the current supply circuit of transformer to be detected, and the electric leakage collector is mounted between the shell and ground of the transformer to be detected；The enclosure interior is also equipped with current sensor, voltage sensor and temperature sensor；The current sensor, the voltage sensor, the temperature sensor are electrically connected with the intracorporal analog-digital converter of shell, and the analog-digital converter is electrically connected with microprocessor；The microprocessor is also connected with a memory module.
Description
Technical field
The present invention relates to transformer detection device more particularly to a kind of transformer detection devices.
Background technique
Power transformer is the important equipment of electrical power trans mission/distribution system, with the development of electric system, the capacity of power grid, voltage etc.
Grade is continuously improved, and the hinge that large high voltage transformer is transmitted as electric energy, especially its is heavy during super-pressure long distance power transmission
The property wanted is self-evident, and whether its safe operation, can be directly related to electric system continuously and stably work.Especially because
Structure is complicated for high-power transformer, involves great expense, once catastrophe failure occurs and damages, very big difficulty will be brought to maintenance work,
Cause heavy losses economically.In view of the importance of power transformer in systems, the protection of power transformer is constantly subjected to
The attention and concern of common people.Once breaking down, public safety problem and personnel will be caused to set so that power supply stops completely
Standby damage to property, and the time required for its reparation is longer than other equipment.
At present in power transformer detection process, the detection of transformer is still needed using detection mode is shut down, to change
The detection of depressor, which needs to unpack, to be detected, this process needs to expend a large amount of manpower.
Summary of the invention
The present invention provides transformer detection device aiming at defect of the existing technology, can realize electric leakage and mistake
Heat detection.
To achieve the above object, the present invention adopts the following technical scheme that, including shell；LED is installed aobvious on the shell
Display screen, key-press input unit and combined aural and visual alarm；The enclosure interior is equipped with microprocessor and monitor；The monitor
It include: earth leakage protective device, electric leakage collector, wireless communication device and power supply；The power supply is connected with wireless communication device, the electric leakage
Protector is mounted in the current supply circuit of transformer to be detected, and the electric leakage collector is mounted on the transformer to be detected
Shell and ground between；The enclosure interior is also equipped with current sensor, voltage sensor and temperature sensor；The electricity
Flow sensor, the voltage sensor, the temperature sensor are electrically connected with the intracorporal analog-digital converter of shell, described
Analog-digital converter is electrically connected with microprocessor.
The microprocessor is defeated with monitor, infrared sensor, computer communication interface, LED display, key respectively
Enter unit and combined aural and visual alarm connection；The microprocessor is also connected with a memory module, and the memory module uses
AT45DB642D circuit.
As a preferred solution of the present invention, the infrared sensor is by photon detector, thermal detector, signal tune
Circuit composition is managed, the photon detector, the thermal detector are connect with the signal conditioning circuit, the signal
Conditioning circuit is connect with the LCD MODULE.
As another preferred embodiment of the invention, the electric leakage collector includes voltage transformer and current transformer；
The infrared sensor is connect with power transformer, and the computer communication interface is connect with computer.
As another preferred embodiment of the invention: the earth leakage protective device uses electronic leakage protector.
Beneficial effect of the present invention compared with prior art.
The present invention realizes the long-range monitoring to Working transformer, so that staff need not go to transformer site
Carry out the inspection of transformer, it is only necessary in the transformer operational data that work station is shown by display screen, realize transformation
The real-time monitoring of device, that is, save manpower, also saves the time, avoids transformer when manpower checks and occurs in inspection intervals
It is the case where failure, convenient and reliable.
The present invention, which is realized, carries out overheating fault detection and automatic alarm to transformer.It can be with effective guarantee power train using it
System safe and stable operation, reduces electric equipment maintenance cost, guarantees power quality and power supply reliability, for ensureing national economy
Sustainable growth and people's normal electricity consumption have great importance.The system bulk is small, arithmetic speed is fast, precision is high, storage is held
Amount is big, reliable for operation.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and detailed description.The scope of the present invention not only limits to
In the statement of the following contents.
Fig. 1 is invention's principle block diagram.
Specific embodiment
As shown in Figure 1, the present invention includes shell；Hull outside installation LED display, key-press input unit and the report
Alert device.
The enclosure interior is equipped with microprocessor and monitor.
The monitor includes: earth leakage protective device, electric leakage collector, wireless communication device and power supply；The power supply and wireless
Communicator is connected, and the earth leakage protective device is mounted in the current supply circuit of transformer to be detected, the electric leakage collector installation
Between the shell and ground of the transformer to be detected.Wireless communication device is connected by wireless network with terminal device, described
Wireless network can use Zigbee wireless network, and it is logical that the wireless receiver of wireless communication device and terminal device is all made of Zigbee
Device is interrogated, transmission range can either be met, can also achieve the effect that low-power consumption.
The enclosure interior is also equipped with current sensor, voltage sensor and temperature sensor；The current sense
Device, the voltage sensor, the temperature sensor are electrically connected with the intracorporal analog-digital converter of shell, and the modulus turns
Parallel operation is electrically connected with microprocessor.
The microprocessor is defeated with monitor, infrared sensor, computer communication interface, LED display, key respectively
Enter unit and alarm connection.
As a preferred solution of the present invention, the infrared sensor is by photon detector, thermal detector, signal tune
Circuit composition is managed, the photon detector, the thermal detector are connect with the signal conditioning circuit, the signal
Conditioning circuit is connect with the LCD MODULE.
As another preferred embodiment of the invention, the electric leakage collector includes voltage transformer and current transformer.
As another preferred embodiment of the invention: the infrared sensor is connect with power transformer, the meter
Calculation machine communication interface is connect with computer.
As another preferred embodiment of the invention: the microprocessor is also connected with a memory module, the storage mould
Block uses AT45DB642D circuit.
The present invention can acquire the drain conditions at each position of transformer in real time, have earth leakage protective device detection function, energy
Whether reaching the earth leakage protective device of test transformer reliably, the safety coefficient of transformer is improved.Whole device structure letter of the present invention
It is clean, it is practical.The present invention is acquired infrared image of power transformer by infrared thermal imaging, does not need manual inspection,
Realization detects automatically to power transformer progress overheating fault and automatic alarm.A large amount of manpower and material resources can be saved using it, most
Transformation of the power equipment from traditional scheduled overhaul to precognition repair based on condition of component is realized eventually.
It is understood that being merely to illustrate the present invention above with respect to specific descriptions of the invention and being not limited to this
Technical solution described in inventive embodiments, those skilled in the art should understand that, still the present invention can be carried out
Modification or equivalent replacement, to reach identical technical effect；As long as meet use needs, all protection scope of the present invention it
It is interior.
Claims (4)
1. transformer detection device, which is characterized in that including shell；LED display, key-press input are installed on the shell
Unit and combined aural and visual alarm；The enclosure interior is equipped with microprocessor and monitor；The monitor includes: earth leakage protective
Device, electric leakage collector, wireless communication device and power supply；The power supply is connected with wireless communication device, and the earth leakage protective device is mounted on
In the current supply circuit of transformer to be detected, the electric leakage collector is mounted on the shell and ground of the transformer to be detected
Between；The enclosure interior is also equipped with current sensor, voltage sensor and temperature sensor；The current sensor, institute
Voltage sensor, the temperature sensor stated are electrically connected with the intracorporal analog-digital converter of shell, the analog-digital converter
It is electrically connected with microprocessor；The microprocessor is shown with monitor, infrared sensor, computer communication interface, LED respectively
Screen, key-press input unit and combined aural and visual alarm connection；The microprocessor is also connected with a memory module, and the memory module is adopted
With AT45DB642D circuit.
2. transformer detection device according to claim 1, it is characterised in that: the infrared sensor is by photon detection
Device, thermal detector, signal conditioning circuit composition, the photon detector, the thermal detector and the signal condition
Circuit connection, the signal conditioning circuit are connect with the LCD MODULE.
3. transformer detection device according to claim 1, it is characterised in that: the electric leakage collector includes mutual induction of voltage
Device and current transformer；The infrared sensor is connect with power transformer, the computer communication interface and computer
Connection.
4. transformer detection device according to claim 1, it is characterised in that: the earth leakage protective device is leaked using electronic type
Non-electricity protector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711198209.3A CN109839560A (en) | 2017-11-25 | 2017-11-25 | Transformer detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711198209.3A CN109839560A (en) | 2017-11-25 | 2017-11-25 | Transformer detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109839560A true CN109839560A (en) | 2019-06-04 |
Family
ID=66878483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711198209.3A Pending CN109839560A (en) | 2017-11-25 | 2017-11-25 | Transformer detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109839560A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113109735A (en) * | 2021-04-16 | 2021-07-13 | 东莞市输变电工程建设有限责任公司 | Roadside transformer electric leakage alarm device |
-
2017
- 2017-11-25 CN CN201711198209.3A patent/CN109839560A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113109735A (en) * | 2021-04-16 | 2021-07-13 | 东莞市输变电工程建设有限责任公司 | Roadside transformer electric leakage alarm device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190604 |
|
| WD01 | Invention patent application deemed withdrawn after publication |