CN206039328U - Temperature control device of transformer - Google Patents
Temperature control device of transformer Download PDFInfo
- Publication number
- CN206039328U CN206039328U CN201621100108.9U CN201621100108U CN206039328U CN 206039328 U CN206039328 U CN 206039328U CN 201621100108 U CN201621100108 U CN 201621100108U CN 206039328 U CN206039328 U CN 206039328U
- Authority
- CN
- China
- Prior art keywords
- transformer
- central control
- temperature
- control processor
- sensor
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model provides a temperature control device of transformer which the technical essential is: including transformer housing, the central control treater, oil temperature sensor and current transformer, the current transformer junction current sensor, current sensor and oil temperature sensor connect the central control treater, cooling blower and circuit breaker are connected respectively to the central control treater, transformer housing's top is equipped with the light screen through the slide, the outside extension of one end of light screen has the rack, the last one side in this rack place of transformer housing is equipped with the motor fixed plate, be equipped with the motor on the motor fixed plate, be equipped with the drive gear with this toothed bar mesh on the output shaft of motor, transformer housing is equipped with the light intensity sensor who is connected with the central control treater outward, the central control treater passes through drive circuit and connects the motor. The utility model discloses can accurate measurement transformer winding temperature for transformer top oil temperature's temperature rise, still have temperature display simultaneously, high -temperature warning, control fan starts, functions such as ultra -temperature tripping operation, shading.
Description
Technical field：
This utility model is related to transformator temperature control field, is specifically related to a kind of negative using current sensor collection transformator
Carry the temperature controller for transformer of size.
Background technology：
Transformator is the important component part of power industry, it the stable transmission of electric energy, reasonable distribution, economical operation and
There is very important effect in terms of safe handling, with the development of power industry, transformator is sent out towards Large Copacity, extra-high voltage direction
Exhibition, and transformer temperature be restrict transformer load greatest problem because transformer temperature it is too high can cause it is transformer insulated
Aging acceleration, temperature often raises 6K between 80 degree to 140 degree, and Transformer Insulation Aging can accelerate one times.At present, transformator temperature
Degree is measured and is heated the method for making gas expansion to reflect the temperature rise of the relative oil temperature of Transformer Winding, measurement based on a kind of heating
Precision is low, and needs Jing often to calibrate, and affects transformer temperature measurement efficiency, and this just cannot grasp the temperature feelings of transformator in time
Condition, also just cannot carry out cooling process in time.
Additionally, transformator is in addition to heating up because of self-operating, ambient light according to it is too strong when also result in the drastically liter of transformator
Temperature, has a strong impact on the normal operation of transformator.
The content of the invention：
This utility model is to overcome the problems referred to above, there is provided a kind of temperature controller for transformer, which can be accurately and reliably
Temperature rise of the ground measuring transformer winding temperature relative to transformator top-oil temperature, while also there is temperature to show, high temperature alarm, control
Blower fan processed starts, the function such as superhigh temperature tripping operation, shading.
Temperature controller for transformer of the present utility model, the technical scheme for being adopted for achieving the above object is：Bag
Transformer shell, central control processor, oil temperature sensor and current transformer is included, the current transformer connects current sense
Device, current sensor and oil temperature sensor connection central control processor, central control processor connect respectively cooling blower and
Chopper, the top of the transformer shell are slided by slideway and are provided with dark slide, and one end of the dark slide is outward extended with
Tooth bar, the side being located in the tooth bar on the transformer shell are provided with motor fixing plate, and motor fixing plate is provided with motor, electricity
The output shaft of machine is provided with the drive gear being meshed with the tooth bar, and transformer shell is externally provided with and is connected with central control processor
Intensity of illumination sensor, central control processor connects motor by drive circuit.
Further, the central control processor is also associated with temperature indicator, can be shown by temperature indicator in real time
Show the actual temperature of transformator, be easy to staff to check at any time.
Further, the central control processor is also associated with alarm, when occur high-temperature condition reported to the police and
When remind staff processed.
Further, the current sensor, oil temperature sensor and intensity of illumination sensor pass through data acquisition module respectively
Block connects central control processor.It is arranged such, sends to after nursed one's health the signal of each sensor
Central control processor.
Further, the oil temperature sensor is platinum resistance temperature sensor, and measurement is accurate, with low cost for which, use the longevity
Life length.
Further, the dark slide is in ridge, and its both sides of the edge is in slideway.It is arranged such, dark slide can be made
Deposit at regular intervals and the top of housing between, in order to avoid affect the radiating of transformer shell.
Further, the two ends of the slideway are provided with limit switch, limit switch connection central control processor.So set
Put, prevent the dark slide operation excess of stroke and come off.
The beneficial effects of the utility model are：
Current Transformer Secondary side electric current is converted into analogue signal by this utility model, is converted in central control processor
It is the temperature rise value relative to transformator top-oil temperature, relative to original method, its temperature measurement accuracy is high, can accurate measuring transformer
Actual temperature, be easy to central control processor effectively to regulate and control the temperature of transformator, meanwhile, this utility model has
The function of digital displaying temperature, high temperature alarm, blower fan cooling and superhigh temperature tripping operation.Additionally, this utility model also has automatic covering
Tabula rasa, can control sliding for dark slide according to extraneous actual intensity of illumination, to pass through dark slide when intensity of illumination is too high
Shut out the light, it is to avoid transformator occurs warming phenomenon because illumination is too strong.
Description of the drawings：
Fig. 1 is circuit theory diagrams of the present utility model；
Fig. 2 is frame for movement schematic diagram of the present utility model.
Specific embodiment：
See figures.1.and.2, the temperature controller for transformer, including transformer shell 99, central control processor 1, oil
The current transformer 3 of temperature sensor 2 and the electric current being directly proportional to transformer load, the connection current sense of the current transformer 3
Device 4, current sensor 4 and the connection central control processor 1 of oil temperature sensor 2, central control processor 1 connect cooling wind respectively
Machine 5, chopper 6, temperature indicator 7 and alarm 8, temperature indicator 7 be light-emitting diode display, the top of the transformer shell 99
Portion is slided by slideway 19 and is provided with dark slide 10, and in ridge, its both sides of the edge is in slideway 19 dark slide 10, one
End is outward extended with tooth bar 11, and the side being located in the tooth bar 11 on the transformer shell 99 is provided with motor fixing plate 12, electricity
Machine fixed plate 12 is provided with motor 13, and the output shaft of motor 13 is provided with the drive gear 14 being meshed with the tooth bar 11, transformation
Device housing 99 is externally provided with the intensity of illumination sensor 15 being connected with central control processor 1, and central control processor 1 is by driving
Circuit 16 connects motor 13, and the two ends of the slideway 19 are provided with limit switch 18, the connection central control processor of limit switch 18
1.The current sensor 4, oil temperature sensor 2 and intensity of illumination sensor 15 connect central authorities by data acquisition module 17 respectively
Control process device 1, sends central control processor 1 to after nursed one's health by the signal of each sensor.
The oil temperature sensor 2 is platinum resistance temperature sensor.
Current transformer 3 is installed on Transformer Winding end of incoming cables, by mutual inductance principle obtain with transformer load size into
The electric current of direct ratio, current sensor 4 are connected to 3 secondary side of current transformer, gather the electric current of the output of current transformer 3, by electric current
The electric current of 3 secondary side of transformer is converted into analog signalses.Current sensor 4 and the analog signalses of the output of oil temperature sensor 2
Standard signal scope can be adjusted to by the modulate circuit of data acquisition module 17, numeral is converted to by A/D conversion circuits
Amount, is transferred to central control processor 1 by RS485 communication interfaces.Current sensor 4 can be passed using CSNK500M-600 electric currents
Sensor, oil temperature sensor 2 can adopt PT100 temperature sensors, and data acquisition module 17 can be with the 420MA- of Shenyang round core brand
INx。
The analogue signal of current sensor 3 and oil temperature sensor 2 is converted with different functions in central control processor 1
For the relative transformator top layer pasta temperature rise of winding and transformator top layer pasta temperature rise.Central control processor is by judging winding temperature
The numerical value of degree control temperature indicator 7 shows that if operational envelope of the temperature beyond transformator can start alarm 8 is carried out
Report to the police, while start cooling blower 5 being lowered the temperature for transformator, superhigh temperature situation occur and can pass through 6 disconnecting transformer of chopper
Power supply.
When the extraneous intensity of illumination of the detection of intensity of illumination sensor 15 is too high, central control processor 1 can start motor
13, drive dark slide 10 to run by motor 13, make top of the dark slide 10 at the top of transformer shell 9, be transformer shell 9
Shading is carried out, prevents transformator from heating up because intensity of illumination is too high, when the extraneous intensity of illumination of the detection of intensity of illumination sensor 15
During reduction, central control processor 1 can start motor 13 anyway, make dark slide 10 return to original position, spill the top of transformer shell 9
Portion, in order to avoid affect the proper heat reduction of transformer shell 9.The dark slide 10 is in ridge so as to the top with transformer shell 9
There is certain spacing, can prevent which from when blocking 9 top of transformer shell, affecting the radiating of transformer shell 9.
Claims (7)
1. a kind of temperature controller for transformer, it is characterised in that：Including transformer shell (9), central control processor (1),
Oil temperature sensor (2) and current transformer (3), described current transformer (3) connection current sensor (4), current sensor (4)
Connect central control processor (1) with oil temperature sensor (2), central control processor (1) connects cooling blower (5) respectively and breaks
Road device (6), the top of transformer shell (9) are slided by slideway (19) and are provided with dark slide (10), dark slide (10)
One end be outward extended with tooth bar (11), it is solid that the side being located in the tooth bar (11) on transformer shell (9) is provided with motor
Fixed board (12), motor fixing plate (12) are provided with motor (13), and the output shaft of motor (13) is provided with mutually to be nibbled with the tooth bar (11)
The drive gear (14) of conjunction, transformer shell (9) are externally provided with the intensity of illumination sensor being connected with central control processor (1)
(15), central control processor (1) connects motor (13) by drive circuit (16).
2. a kind of temperature controller for transformer as claimed in claim 1, it is characterised in that：The central control processor
(1) it is also associated with temperature indicator (7).
3. a kind of temperature controller for transformer as claimed in claim 1, it is characterised in that：The central control processor
(1) it is also associated with alarm (8).
4. a kind of temperature controller for transformer as claimed in claim 1, it is characterised in that：Current sensor (4), oil
Temperature sensor (2) and intensity of illumination sensor (15) connect central control processor (1) by data acquisition module (17) respectively.
5. a kind of temperature controller for transformer as claimed in claim 1, it is characterised in that：Oil temperature sensor (2) are
Platinum resistance temperature sensor.
6. a kind of temperature controller for transformer as claimed in claim 1, it is characterised in that：Described dark slide (10) are in ridge
Shape, its both sides of the edge is in slideway (19).
7. a kind of temperature controller for transformer as claimed in claim 1, it is characterised in that：The two ends of slideway (19) set
Limit switches (18), limit switch (18) connection central control processor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621100108.9U CN206039328U (en) | 2016-09-30 | 2016-09-30 | Temperature control device of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621100108.9U CN206039328U (en) | 2016-09-30 | 2016-09-30 | Temperature control device of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206039328U true CN206039328U (en) | 2017-03-22 |
Family
ID=58297713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621100108.9U Expired - Fee Related CN206039328U (en) | 2016-09-30 | 2016-09-30 | Temperature control device of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206039328U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112198984A (en) * | 2020-09-30 | 2021-01-08 | 衡阳磐正科技有限公司 | External interference prevention assembly of touch display |
-
2016
- 2016-09-30 CN CN201621100108.9U patent/CN206039328U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112198984A (en) * | 2020-09-30 | 2021-01-08 | 衡阳磐正科技有限公司 | External interference prevention assembly of touch display |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170322 Termination date: 20170930 |