CN207302796U - A kind of high sensitivity temperature control instrument - Google Patents
A kind of high sensitivity temperature control instrument Download PDFInfo
- Publication number
- CN207302796U CN207302796U CN201721370533.4U CN201721370533U CN207302796U CN 207302796 U CN207302796 U CN 207302796U CN 201721370533 U CN201721370533 U CN 201721370533U CN 207302796 U CN207302796 U CN 207302796U
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- CN
- China
- Prior art keywords
- exhaust fan
- temperature control
- controller
- control instrument
- air blower
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of high sensitivity temperature control instrument, belong to transformer technology field, high sensitivity temperature control instrument includes potential device, radiation shell, the first air blower, the second air blower, the first exhaust fan, the second exhaust fan, temperature sensor, controller, stand-by power supply, red green indicator light, high temperature trip switch and high temperature alarm lamp.High sensitivity temperature control instrument can measure each several part temperature of potential device disclosed in the utility model, and stable heat exchange air-flow is formed around potential device, realizes more preferable temperature control effect.
Description
Technical field
It the utility model is related to transformer technology field, and in particular to a kind of high sensitivity temperature control instrument.
Background technology
Operationally, due to the presence of resistance and magnetic resistance, coil, iron core can all produce loss to dry-type transformer, damage
Consumption can change into heat, cause transformer to generate heat, and influence transformer station high-voltage side bus efficiency, and each transformer has what a regulation limited
Maximum temperature, in order to make transformer temperature be no more than this limits value, it is necessary to effectively give out the heat that transformer produces
Go, only when the heat of generation tends to balance with the heat distributed, the temperature value of transformer can be only achieved stable state.
Generally, the air cooling system of dry-type transformer winding is made of wind turbine, on the base of transformer, is placed in change
Transformer coil lower part both sides, air cooling system are to carry out forced air cooling to transformer, and cold wind directly blows to dry-type transformer by wind turbine
Three-phase high and low pressure winding, promotes dry-type transformer rate of heat exchange, radiates to dry-type transformer, due to dry-type transformer volume
Larger, complicated, the temperature sensor of traditional temperature controller is very few due to placing, and placement location is incorrect, it is difficult to measures
The each several part temperature of potential device, easily because the hot-spot of transformer, damages transformer；And traditional transformer is due to wind
Power is not concentrated, and stable heat exchange air-flow is not formed in transformer, and heat dissipation effect is poor, and due to long-term operation, works as week
Enclose air themperature it is higher when, can badly damaged transformer it is difficult to effectively cool down.
Utility model content
It is the defects of in order to overcome the prior art, a kind of highly sensitive the technical problem to be solved by the utility model is to propose
Temperature control instrument is spent, it can measure each several part temperature of potential device, and stable heat exchange air-flow is formed around potential device,
Realize more preferable temperature control effect.
For this purpose, the utility model uses following technical scheme：
The utility model provides a kind of high sensitivity temperature control instrument, including by iron core, the triple line being sleeved on iron core
Circle winding and the frame for fastening iron core and coil windings form potential device, further include radiation shell, the first air blower, the
Two air blowers, the first exhaust fan, the second exhaust fan, temperature sensor and controller, the radiation shell are rectangular parallelepiped structure, institute
State and multiple heat emission holes are uniformly arranged in radiation shell upper and lower surface, the radiation shell is sleeved on the outside of potential device, described
First air blower and the second air blower are successively set on the left of radiation shell from top to bottom, and first exhaust fan is arranged on radiation shell
Right side is simultaneously opposite with the first air blower, and second exhaust fan is arranged on the right side of radiation shell and opposite with the second air blower, described
First air blower and the second exhaust fan form the first heat dissipation group, and second air blower and the first exhaust fan form the second heat dissipation
Group, the temperature sensor are separately positioned on winding upper end, winding lower end, frame roof and base of frame, the controller
Upper setting controller, first air blower, the second air blower, the first exhaust fan, the second exhaust fan and temperature sensor are equal
It is connected with the controller circuitry.
In the utility model preferably technical solution, the first heat dissipation group is worked alternatively with the second heat dissipation group, in temperature
Degree under normal circumstances, when the first heat dissipation group or the single work of the second heat dissipation group, can be formed efficient steady around potential device
Fixed heat exchange air-flow, not only reduces effect, while improves the service life of the first heat dissipation group and the second heat dissipation group.
In the utility model preferably technical solution, stand-by power supply, the stand-by power supply are set on the outside of the controller
It is connected with the controller, when controller is powered off due to special circumstances, backup power supply can be enabled and continued to potential device reality
Apply temperature control.
In the utility model preferably technical solution, red green indicator light, the instruction are set on the radiation shell surface
Lamp is connected with controller circuitry, passes on temperature signal to controller by temperature sensor, controller controls red green indicator light
The startup of red light and green light, green light during normal temperature, when red during higher than normal temperature.
In the utility model preferably technical solution, high temperature trip switch is set, the high temperature is jumped on the controller
Lock switch is connected with potential device circuit, when temperature is higher than certain value, can cut off potential device power supply, stops potential device fortune
OK.
In the utility model preferably technical solution, the controller on radiation shell surface with being respectively provided with high temperature alarm
Lamp, the high temperature alarm lamp are connected with controller circuitry, and when temperature is higher than rated value, high temperature alarm lamp will flicker report
It is alert.
The beneficial effects of the utility model are：
High sensitivity temperature control instrument provided by the utility model, is radiated by being set in radiation shell upper and lower surface
Hole, improving radiating effect, by setting multiple temperature sensors, can measure each several part temperature of potential device in real time, prevent
Potential device hot-spot, by setting the first heat dissipation group and the second heat dissipation group, can be formed around potential device strongly and
Stable heat exchange air-flow, realizes more preferable temperature control effect.
Brief description of the drawings
Fig. 1 is the structure diagram for the high sensitivity temperature control instrument that the utility model specific embodiment provides；
Fig. 2 is the controller and stand-by power supply structure for the high sensitivity temperature control instrument that the utility model specific embodiment provides
Schematic diagram.
In figure：
1st, winding；2nd, frame；3rd, radiation shell；4th, the first air blower；5th, the second air blower；6th, the first exhaust fan；7th, second
Exhaust fan；8th, controller；81st, high temperature trip switch；82nd, stand-by power supply；83rd, high temperature alarm lamp；9th, temperature sensor；10th, it is red
Green indicator light.
Embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
As depicted in figs. 1 and 2, a kind of high sensitivity temperature control instrument is provided in embodiment,
Including potential device, radiation shell 3, the first air blower 4, the second air blower 5, the first exhaust fan 6, the second exhaust fan 7,
Temperature sensor 9, controller 8, stand-by power supply 82, red green indicator light 10, high temperature trip switch 81 and high temperature alarm lamp 83；
Potential device be by iron core, the three-phase coil winding 1 being sleeved on iron core and for fasten iron core and coil around
The frame 2 of group 1 forms, and radiation shell 3 is rectangular parallelepiped structure, and multiple heat emission holes are uniformly arranged in 3 upper and lower surface of radiation shell,
Radiation shell 3 is sleeved on the outside of potential device, and the first air blower 4 and the second air blower 5 are successively set on the left side of radiation shell 3 from top to bottom
Side, the first exhaust fan 6 are arranged on the right side of radiation shell 3 and opposite with the first air blower 4, and it is right that the second exhaust fan 7 is arranged on radiation shell 3
Side is simultaneously opposite with the second air blower 5, the first air blower 4 and the second exhaust fan 7 the first heat dissipation group of formation, the second air blower 5 and the
One exhaust fan 6 forms the second heat dissipation group, temperature sensor 9 be separately positioned on 1 upper end of winding, 1 lower end of winding, the top of frame 2 with
And 2 bottom of frame, the first air blower 4, the second air blower 5, the first exhaust fan 6, the second exhaust fan 7 and temperature sensor 9 are equal
It is connected with 8 circuit of controller；
First heat dissipation group is worked alternatively with the second heat dissipation group, in temperature under normal circumstances, when the first heat dissipation group or second dissipate
When heat organizes single work, the heat exchange air-flow of efficient stable can be formed around potential device, effect is not only reduced, improves at the same time
The service life of first heat dissipation group and the second heat dissipation group；Stand-by power supply 82 is arranged on the outside of controller 8, stand-by power supply 82 and control
Device 8 is connected, and when controller 8 is powered off due to special circumstances, can enable backup power supply and continue to implement temperature control to potential device；It is red
Green indicator light 10 is arranged on 3 surface of radiation shell, and indicator light is connected with 8 circuit of controller, and controller is given by temperature sensor 9
8 pass on temperature signals, and controller 8 controls the startup of the red light and green light of red green indicator light 10, and green light during normal temperature, is higher than
When red during normal temperature；High temperature trip switch 81 is arranged on controller 8, the high temperature trip switch 81 and potential device electricity
Road is connected, and when temperature is higher than certain value, can cut off potential device power supply, stops potential device operation；High temperature alarm lamp 83 divides
Controller 8 is not arranged on and on 3 surface of radiation shell, high temperature alarm lamp 83 is connected with 8 circuit of controller, when temperature is higher than specified
During value, high temperature alarm lamp 83 will flicker alarm；
By setting heat emission hole, improving radiating effect, by setting multiple temperature to pass in 3 upper and lower surface of radiation shell
Sensor 9, can measure each several part temperature of potential device in real time, prevent potential device hot-spot, by setting the first heat dissipation
Group and the second heat dissipation group, can form heat exchange air-flow that is strong and stablizing around potential device, realize more preferable temperature control effect
Fruit.
In temperature under normal circumstances, the green light of red green indicator light 10 lights, and the first heat dissipation group replaces work with the second heat dissipation group
Make, reduce effect, while improve the service life of the first heat dissipation group and the second heat dissipation group, when temperature is excessive, the first heat dissipation group
Worked at the same time with the second heat dissipation group, realize fast cooling；Temperature sensor 9 can detect each several part temperature of potential device in real time
Degree, prevent potential device hot-spot, when one of temperature sensor 9 measure temperature it is higher when, red green indicator light 10 it is red
Lamp lights, and the first heat dissipation group and the second heat dissipation group start to work at the same time, until temperature is reduced to normal value, when temperature is higher than specified
During value, when temperature is higher than rated value, controller 8 controls high temperature alarm lamp 83 to light, and when temperature is higher than certain value, high temperature is jumped
Lock switch 81 starts, and stops potential device work；, can be with when controller 8 is powered off due to special circumstances when ordinary circumstance works
Backup power supply is enabled to continue to implement temperature control to potential device.
The utility model is described with reference to the preferred embodiments, and those skilled in the art know, is not departing from this reality
In the case of with new spirit and scope, various changes or equivalence replacement can be carried out to these features and embodiment.This reality
It is not limited to the particular embodiment disclosed with new, other embodiments fallen into claims hereof all belong to
In the scope of the utility model protection.
Claims (6)
1. a kind of high sensitivity temperature control instrument, including by iron core, the three-phase coil winding being sleeved on iron core and for fastening
Iron core and the frame of coil windings composition potential device, it is characterised in that：Further include radiation shell, the first air blower, the second air blast
Machine, the first exhaust fan, the second exhaust fan, temperature sensor and controller, the radiation shell are rectangular parallelepiped structure, the heat dissipation
Multiple heat emission holes are uniformly arranged in shell upper and lower surface, the radiation shell is sleeved on the outside of potential device, first drum
Wind turbine and the second air blower are successively set on the left of radiation shell from top to bottom, and first exhaust fan is arranged on the right side of radiation shell simultaneously
Opposite with the first air blower, second exhaust fan is arranged on the right side of radiation shell and opposite with the second air blower, first drum
Wind turbine and the second exhaust fan form the first heat dissipation group, and second air blower and the first exhaust fan form the second heat dissipation group, described
Temperature sensor is separately positioned on winding upper end, winding lower end, frame roof and base of frame, first air blower,
Two air blowers, the first exhaust fan, the second exhaust fan and temperature sensor are connected with the controller circuitry.
2. high sensitivity temperature control instrument according to claim 1, it is characterised in that：
The first heat dissipation group is worked alternatively with the second heat dissipation group.
3. high sensitivity temperature control instrument according to claim 1, it is characterised in that：
Stand-by power supply is set on the outside of the controller, and the stand-by power supply is connected with the controller.
4. high sensitivity temperature control instrument according to claim 1, it is characterised in that：
Red green indicator light is set on the radiation shell surface, and the indicator light is connected with controller circuitry.
5. high sensitivity temperature control instrument according to claim 1, it is characterised in that：
High temperature trip switch is set on the controller, and the high temperature trip switch is connected with potential device circuit.
6. high sensitivity temperature control instrument according to claim 1, it is characterised in that：
The controller connects with being respectively provided with high temperature alarm lamp, the high temperature alarm lamp on radiation shell surface with controller circuitry
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721370533.4U CN207302796U (en) | 2017-10-23 | 2017-10-23 | A kind of high sensitivity temperature control instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721370533.4U CN207302796U (en) | 2017-10-23 | 2017-10-23 | A kind of high sensitivity temperature control instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207302796U true CN207302796U (en) | 2018-05-01 |
Family
ID=62273966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721370533.4U Expired - Fee Related CN207302796U (en) | 2017-10-23 | 2017-10-23 | A kind of high sensitivity temperature control instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207302796U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110047651A (en) * | 2019-05-13 | 2019-07-23 | 国网江苏省电力有限公司电力科学研究院 | A kind of inside transformer temperature sensor laying method |
-
2017
- 2017-10-23 CN CN201721370533.4U patent/CN207302796U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110047651A (en) * | 2019-05-13 | 2019-07-23 | 国网江苏省电力有限公司电力科学研究院 | A kind of inside transformer temperature sensor laying method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180501 Termination date: 20201023 |