CN208506150U - A kind of distribution transformer incipient fault prior-warning device - Google Patents
A kind of distribution transformer incipient fault prior-warning device Download PDFInfo
- Publication number
- CN208506150U CN208506150U CN201820563847.4U CN201820563847U CN208506150U CN 208506150 U CN208506150 U CN 208506150U CN 201820563847 U CN201820563847 U CN 201820563847U CN 208506150 U CN208506150 U CN 208506150U
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- temperature
- display screen
- early
- warning lamp
- sensor
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Abstract
The utility model discloses a kind of distribution transformer incipient fault prior-warning device, transformer winding, voltage sensor, current sensor, temperature-detecting device and singlechip controller are set in distribution box；Distribution box is externally provided with voltage display screen, electric current display screen, resistance display screen, temperature display, short-circuit indicator light, breaking indicator light, slightly overheats early-warning lamp, moderate overheat early-warning lamp and hyperthermia and superheating early-warning lamp；Voltage sensor, current sensor connect transformer winding, temperature probe connects transformer winding, voltage sensor, current sensor and temperature sensor connect singlechip controller, and singlechip controller connects voltage display screen, electric current display screen, resistance display screen, temperature display, short-circuit indicator light, breaking indicator light, slightly overheats early-warning lamp, moderate overheat early-warning lamp and hyperthermia and superheating early-warning lamp；The intuitive digital display voltage of the utility model, electric current, resistance and temperature are compared by several limit values and rated value, can carry out fault pre-alarming to distribution transformer.
Description
Technical field
The utility model relates to a kind of prior-warning device, more particularly, to a kind of distribution transformer incipient fault prior-warning device,
It is related to power equipment early warning technology field.
Background technique
Distribution transformer is the terminal core equipment being in electric power networks, it is used directly facing widest electric power terminal
Family, quantity is most, position distribution is very extensive, installation it is extremely complex with running environment, distribution transformer operating status normally with
The no power supply reliability that directly decide electric system.Since existing distribution transformer is asked in terms of operational management there are many
Topic, such as seasonality, period rate of load condensate difference are larger, and when rate of load condensate is higher, transformer is in running overload state, sternly
Ghost image rings the service life of distribution transformer；On the other hand, these large number of distribution transformers are during safe operation,
And maintenance management personnel most need the important equipment of concern, but since geographical location and environment, mounting condition etc. are different, it is right
More stringent requirements are proposed for maintenance personnel's quantity, skills involved in the labour and workload etc., difficult more, therefore actually absolutely mostly
Number distribution transformer is almost in the state of no supervision after putting into operation.According to statistics, China is every year because of distribution transformer failure
Caused by it is unplanned power failure account for the 70~80% of power distribution network power outage, and be used to overhaul, the scheduled outage of prerun only account for~
20%.Therefore it is badly in need of the operating condition of distribution transformer being grasped in time, to it using intelligent running technology to distribution transformer
Incipient fault is monitored and early warning, and to power generation operation, department provides reasonable maintenance decision, reduces unplanned power failure, protects
Power supply safety is demonstrate,proved, power supply reliability is improved.
Utility model content
The technical problems to be solved in the utility model is to overcome the defect of existing transformer prior-warning device, provides a kind of distribution
Transformer incipient fault prior-warning device, to solve the above problems.
To achieve the above object, the utility model provides the following technical solutions: a kind of distribution transformer incipient fault early warning
Device, including distribution box and transformer winding；The distribution box is internally provided with transformer winding, voltage sensor, electric current and passes
Sensor, temperature-detecting device and singlechip controller；Voltage display screen, electric current display screen, electricity is arranged in the distribution box outer surface
It hinders display screen, temperature display, short-circuit indicator light, breaking indicator light, slightly overheat early-warning lamp, moderate overheat early-warning lamp and high temperature
Overheat early-warning lamp；The temperature-detecting device is made of temperature probe and temperature sensor, the temperature probe signal connection temperature
Spend sensor；The voltage sensor, current sensor are electrically connected transformer winding, and the temperature probe signal connection becomes
Depressor winding, the voltage sensor, current sensor connect singlechip controller, the monolithic with the equal signal of temperature sensor
Machine controller electric connection voltage display screen, electric current display screen, resistance display screen, temperature display, short-circuit indicator light, open circuit refer to
Show lamp, slightly overheat early-warning lamp, moderate overheat early-warning lamp and hyperthermia and superheating early-warning lamp.
As a kind of optimal technical scheme of the utility model, the voltage display screen, electric current display screen, resistance display screen
It is consistent with the specification of temperature display.
As a kind of optimal technical scheme of the utility model, the short circuit indicator light and breaking indicator light are located at same water
Horizontal line.
As a kind of optimal technical scheme of the utility model, the slight overheat early-warning lamp, moderate overheat early-warning lamp and
Hyperthermia and superheating early-warning lamp is LED light.
As a kind of optimal technical scheme of the utility model, the temperature probe is infrared temperature probe.
Compared with prior art, the utility model has the beneficial effects that the utility model can be with intuitive judgment distribution transformer
Device is to potential short circuit, open circuit and excess temperature failure, and intuitive digital display voltage, electric current, resistance and temperature, pass through several limit values on display screen
It is compared with rated value, fault pre-alarming can be carried out to distribution transformer.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the utility model appearance diagram；
Fig. 2 is the utility model principle connection figure；
1, transformer winding in figure；2, voltage sensor；3, current sensor；4, temperature-detecting device；5, single-chip microcontroller control
Device processed；6, voltage display screen；7, electric current display screen；8, resistance display screen；9, temperature display；11, short-circuit indicator light；12, break
Road indicator light；13, early-warning lamp is slightly overheated；14, moderate overheats early-warning lamp；15, hyperthermia and superheating early-warning lamp；41, temperature probe；
42, temperature sensor.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment, based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
As shown in Figs. 1-2, the utility model provides a kind of distribution transformer incipient fault prior-warning device, including distribution box and
Transformer winding 1；Distribution box is internally provided with transformer winding 1, voltage sensor 2, current sensor 3, temperature-detecting device 4
With singlechip controller 5；Voltage display screen 6, electric current display screen 7, resistance display screen 8, temperature display is arranged in distribution box outer surface
Screen 9, short-circuit indicator light 11, breaking indicator light 12, slight overheat early-warning lamp 13, moderate overheat early-warning lamp 14 and hyperthermia and superheating early warning
Lamp 15；Temperature-detecting device 4 is made of temperature probe 41 and temperature sensor 42, and 41 signal of temperature probe connects temperature sensing
Device 42；Voltage sensor 2 and current sensor 3 are electrically connected transformer winding 1,41 signal of temperature probe connect transformer around
Group 1, voltage sensor 2, current sensor 3 connect singlechip controller 5, singlechip controller with the equal signal of temperature sensor 42
5 electric connection voltage display screens 6, electric current display screen 7, resistance display screen 8, temperature display 9, short-circuit indicator light 11, open circuit refer to
Show lamp 12, slight overheat early-warning lamp 13, moderate overheat early-warning lamp 14 and hyperthermia and superheating early-warning lamp 15.
Voltage display screen 6, electric current display screen 7, resistance display screen 8 are consistent with the specification of temperature display 9；Short-circuit indicator light
11 are located at same horizontal line with breaking indicator light 12；Slight overheat early-warning lamp 13, moderate overheat early-warning lamp 14 and hyperthermia and superheating are pre-
Warning lamp 15 is LED light；Temperature probe 41 is infrared temperature probe.
Concrete principle: when the utility model at work, when current sensor 3 detects the electric current of overrate, voltage
When sensor 2 detects no-voltage, i.e., short circuit phenomenon has occurred in explanation, and current sensor 3 and voltage sensor 2 are simultaneously by this at this time
Signal is transferred to singlechip controller 5, and singlechip controller 5 controls short-circuit indicator light 11 and lights；When short circuit phenomenon is excessively serious
When, excess temperature phenomenon is generated, temperature signal is transferred to temperature sensor 4 by infrared temperature probe, and temperature sensor 4 transmits signal
To singlechip controller 5, singlechip controller 5 depending on the temperature, controls three early-warning lamps and lights, different early-warning lamps
Represent different excess temperature temperature；Voltage sensor 2 detects that voltage illustrates transformation when electric current is not detected in current sensor 3
Open circuit occurs for device winding 1, lights at this point, singlechip controller 5 controls breaking indicator light 12；Voltage sensor 2, electric current simultaneously
Sensor 3, temperature sensor 42 are transferred to list in normal work, by voltage, electric current, temperature and the resistance signal calculated
Piece machine controller 5, singlechip controller 5 are shown by voltage display screen 2, electric current display screen 3, temperature display 9 and resistance again
Shield 8 digital displays, so that intuitive judgment distribution transformer is to reach normal work, when digital display value and not equal rated value, that is, illustrates not just
Often work.
The utility model can be with intuitive judgment distribution transformer to potential short circuit, open circuit and excess temperature failure, on display screen
Intuitive digital display voltage, electric current, resistance and temperature, are compared by several limit values and rated value, and it is pre- can to carry out failure to distribution transformer
It is alert.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of distribution transformer incipient fault prior-warning device, including distribution box and transformer winding (1)；It is characterized by: institute
State distribution box be internally provided with transformer winding (1), voltage sensor (2), current sensor (3), temperature-detecting device (4) and
Singlechip controller (5)；Voltage display screen (6), electric current display screen (7), resistance display screen are arranged in the distribution box outer surface
(8), temperature display (9), short-circuit indicator light (11), breaking indicator light (12), slightly to overheat early-warning lamp (13), moderate overheat pre-
Warning lamp (14) and hyperthermia and superheating early-warning lamp (15)；The temperature-detecting device (4) is by temperature probe (41) and temperature sensor
(42) it forms, temperature probe (41) signal connects temperature sensor (42)；The voltage sensor (2) and current sensor
(3) it is electrically connected transformer winding (1), temperature probe (41) signal connects transformer winding (1), the voltage sensor
Device (2), current sensor (3) and temperature sensor (42) signal connect singlechip controller (5), the singlechip controller
(5) voltage display screen (6), electric current display screen (7), resistance display screen (8), temperature display (9), short-circuit indicator light are electrically connected
(11), breaking indicator light (12), slightly overheat early-warning lamp (13), moderate overheat early-warning lamp (14) and hyperthermia and superheating early-warning lamp
(15)。
2. a kind of distribution transformer incipient fault prior-warning device according to claim 1, it is characterised in that: the voltage is aobvious
Display screen (6), electric current display screen (7), resistance display screen (8) are consistent with the specification of temperature display (9).
3. a kind of distribution transformer incipient fault prior-warning device according to claim 1, it is characterised in that: the short circuit refers to
Show that lamp (11) and breaking indicator light (12) are located at same horizontal line.
4. a kind of distribution transformer incipient fault prior-warning device according to claim 1, it is characterised in that: the slight mistake
Hot early-warning lamp (13), moderate overheat early-warning lamp (14) and hyperthermia and superheating early-warning lamp (15) are LED light.
5. a kind of distribution transformer incipient fault prior-warning device according to claim 1, it is characterised in that: the thermometric is visited
Head (41) is infrared temperature probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820563847.4U CN208506150U (en) | 2018-04-19 | 2018-04-19 | A kind of distribution transformer incipient fault prior-warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820563847.4U CN208506150U (en) | 2018-04-19 | 2018-04-19 | A kind of distribution transformer incipient fault prior-warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208506150U true CN208506150U (en) | 2019-02-15 |
Family
ID=65297695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820563847.4U Expired - Fee Related CN208506150U (en) | 2018-04-19 | 2018-04-19 | A kind of distribution transformer incipient fault prior-warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208506150U (en) |
-
2018
- 2018-04-19 CN CN201820563847.4U patent/CN208506150U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190215 Termination date: 20210419 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |