CN206628758U - A kind of autoamtic protection device for forming of transformation case - Google Patents
A kind of autoamtic protection device for forming of transformation case Download PDFInfo
- Publication number
- CN206628758U CN206628758U CN201720385689.3U CN201720385689U CN206628758U CN 206628758 U CN206628758 U CN 206628758U CN 201720385689 U CN201720385689 U CN 201720385689U CN 206628758 U CN206628758 U CN 206628758U
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- CN
- China
- Prior art keywords
- casing
- plc
- heat emission
- input
- protection device
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- 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.)
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- 230000009466 transformation Effects 0.000 title claims abstract description 21
- 239000011810 insulating material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000036413 temperature sense Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 abstract 1
- 230000036760 body temperature Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a kind of autoamtic protection device for forming of transformation case,Including casing,The casing is provided with heat emission fan,Guard system,The heat emission fan is arranged on the outside of casing,The guard system includes PLC,Temperature inductor,Current transformer,Electric current relay,Auxiliary reclay,The PLC input is connected to temperature inductor,The output end control of PLC is connected to heat emission fan,The input of PLC is connected by the output end of electric current relay and current transformer,The input of current transformer is connected to transformer main circuit in casing,The output end of the PLC, which also controls, is connected to auxiliary reclay,The normal opened contact of the auxiliary reclay is arranged in the trip(ping) circuit of transformer main circuit switch,The guard system also includes EEPROM write devices,USB interface,The USB interface is connected by EEPROM write devices and the input of PLC,The utility model is simple in construction,It is quick on the draw,Casing can be played a protective role rapidly.
Description
Technical field
The protection field of transformation case is the utility model is related to, specifically a kind of autoamtic protection device for forming of transformation case.
Background technology
In urban distribution network, the application of box-type substation is more and more extensive.Inside the transformation case of box-type substation, transformation
Device is one of important primary equipment, the main equipment as distribution network operation, and whether transformer can run to pass with security and stability
Important, this depends greatly on the service condition of transformer, and in many influence factors, the operation temperature of transformer
Degree plays vital effect, and temperature is too high, and it is on fire to easily cause transformation case, so needing to be equipped with corresponding heat dissipation equipment.
At present, high-power transformer is most radiates by the way of oil circulates, and miniature transformer adds fan using fin or fin
Mode radiates, and these radiating modes need to consume electric energy, and a certain degree of inconvenience be present from power network power taking；Transformation case rises
Fire not just merely because internal temperature is too high, it is also possible to be electric current it is excessive and caused by it is on fire.Transformation case is on fire, not only to
Power network safety operation brings influence, can also be made troubles to industrial and agricultural production and resident living, it is therefore desirable to a kind of transformation
The autoamtic protection device for forming of case.
Utility model content
The purpose of this utility model is to provide a kind of autoamtic protection device for forming of transformation case, to solve in above-mentioned background technology
The problem of proposition.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：
A kind of autoamtic protection device for forming of transformation case, including casing, the casing is provided with heat emission fan, guard system, described to dissipate
Heat fan is arranged on the outside of casing, and is communicated with box house, and the guard system includes PLC, temperature inductor, electric current
Transformer, electric current relay, auxiliary reclay, the PLC input are connected to temperature inductor, PLC
Output end control is connected to heat emission fan, and the input of PLC is connected by the output end of electric current relay and current transformer
Connect, the input of current transformer is connected to transformer main circuit in casing, and the output end of the PLC also controls connection
Auxiliary reclay, the normal opened contact of the auxiliary reclay is arranged in the trip(ping) circuit of transformer main circuit switch, described
Guard system also includes EEPROM write devices, USB interface, and the USB interface is defeated by EEPROM write devices and PLC
Enter end connection.
Further, the roof of sun-shading rain-proof is additionally provided with above the casing, the roof is made up of insulating materials.
Further, the casing is additionally provided with heat emission hole.
Further, the casing is using stainless steel.
The beneficial effects of the utility model are：
The utility model structure provides a kind of autoamtic protection device for forming of transformation case, and its is simple in construction, novel, passes through temperature sense
Device is answered, can sensitively detect the temperature in casing, when temperature is too high, by PLC, can control heat emission fan work
Make, by the cooperation of heat emission fan and heat emission hole, the hot-air of box house can be made to discharge casing rapidly, drop case body temperature
It is low, prevent that case body temperature is too high on fire；By current transformer, the total current of transformer main circuit can be detected constantly,
When current is excessive, the normal opened contact of auxiliary reclay can be controlled to close by PLC, connects transformer main circuit switch
Trip(ping) circuit, the power supply of disconnecting transformer main circuit, prevent from catching fire because caused by electric current is excessive.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the utility model structure diagram.
Fig. 2 is the System Control Figure of guard system.
In figure：1st, casing, 2, heat emission fan, 3, guard system, 31, PLC, 32, temperature inductor, 33, electric current it is mutual
Sensor, 34, electric current relay, 35, auxiliary reclay, 36, EEPROM write devices, 37, USB interface, 4, transformer main circuit, 5,
Roof, 6, heat emission hole.
Embodiment
Below in conjunction with accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole realities
Apply example.The component of the utility model embodiment being generally described and illustrated herein in the accompanying drawings can be come with a variety of configurations
Arrangement and design.Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit below
Claimed the scope of the utility model, but it is merely representative of selected embodiment of the present utility model.Based on the utility model
Embodiment, the every other embodiment that those skilled in the art are obtained on the premise of creative work is not made, all
Belong to the scope of the utility model protection.
As shown in Fig. 1~2, the autoamtic protection device for forming of transformation case provided by the utility model, including casing 1, the casing 1
Provided with heat emission fan 2, guard system 3, the heat emission fan 2 is arranged on the outside of casing 1, and with being communicated inside casing 1, the protection system
System 3 includes PLC 31, temperature inductor 32, current transformer 33, electric current relay 34, auxiliary reclay 35, described
The input of PLC 31 is connected to temperature inductor 32, and the output end control of PLC 31 is connected to heat emission fan 2, PLC
The input of controller 31 is connected by electric current relay 34 with the output end of current transformer 33, the input of current transformer 33
End is connected to transformer main circuit 4 in casing 1, and the output end of the PLC 33, which also controls, is connected to auxiliary reclay 35,
The normal opened contact of the auxiliary reclay 35 is arranged in the trip(ping) circuit of the switch of transformer main circuit 4, and the guard system 3 is also
Including EEPROM write devices 36, USB interface 37, the USB interface 37 is defeated by EEPROM write devices 36 and PLC 31
Enter end connection, data programming can be carried out to PLC 31.
The top of casing 1 is additionally provided with the roof 5 of sun-shading rain-proof, can reduce casing 1 by Exposure to Sunlight and drench with rain, play protection
The effect of casing 1, the roof 5 are made up of insulating materials.
The casing 1 is additionally provided with heat emission hole 6, by the cooperation of heat emission fan 2 and heat emission hole 6, can make the heat inside casing 1
Air discharges rapidly casing, reduces temperature in casing 1.
The casing 1 improves the service life of casing 1, prevents from changing casing because of corrosion using stainless steel
1。
Operation principle：
When temperature is too high in casing 1, by temperature inductor 32, the temperature in casing can be sensitively detected, temperature
Degree inductor 32 passes data to PLC 31, and the data that PLC 31 passes over temperature inductor 32 are carried out
Analysis, when analysis result is that temperature reaches 31 setting value of PLC in casing 1, control heat emission fan 2 is opened, and passes through heat emission fan 2
With the cooperation of heat emission hole 6, the hot-air inside casing 1 can be made to discharge casing 1 rapidly, reduce temperature in casing 1；Work as transformation
When total current is excessive in device main circuit 4, electric current relay 34 perceives this change by current transformer 33, as long as passing through electric current
The coil current of relay 34 exceedes its setting value, the normal opened contact closure of electric current relay 34, connects PLC 31 and inputs
End loop, auxiliary reclay 35 is controlled by PLC 31, closes the normal opened contact of auxiliary reclay 35, connects transformation
The trip(ping) circuit that device main circuit 4 switchs, the power supply of disconnecting transformer main circuit 4.
Above-described the utility model embodiment, the restriction to scope of protection of the utility model is not formed, it is any
Made within spirit of the present utility model and principle modifications, equivalent substitutions and improvements etc., should be included in the utility model
Claims within.
Claims (4)
1. a kind of autoamtic protection device for forming of transformation case, including casing, it is characterised in that the casing is provided with heat emission fan, protection system
System, the heat emission fan is arranged on the outside of casing, and is communicated with box house, and the guard system includes PLC, temperature sense
Device, current transformer, electric current relay, auxiliary reclay are answered, the input of the PLC is connected to temperature inductor,
The output end control of PLC is connected to heat emission fan, and the input of PLC passes through electric current relay and current transformer
Output end connection, the input of current transformer is connected to transformer main circuit in casing, the output end of the PLC
Also control is connected to auxiliary reclay, and the normal opened contact of the auxiliary reclay is arranged on the tripping operation time of transformer main circuit switch
Lu Shang, the guard system also include EEPROM write devices, USB interface, and the USB interface passes through EEPROM write devices and PLC
The input connection of controller.
2. the autoamtic protection device for forming of transformation case according to claim 1, it is characterised in that be additionally provided with sunshade above the casing
The roof to keep off the rain, the roof are made up of insulating materials.
3. the autoamtic protection device for forming of transformation case according to claim 1, it is characterised in that the casing is additionally provided with heat emission hole.
4. the autoamtic protection device for forming of transformation case according to claim 1, it is characterised in that the casing is using stainless steel
Material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720385689.3U CN206628758U (en) | 2017-04-13 | 2017-04-13 | A kind of autoamtic protection device for forming of transformation case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720385689.3U CN206628758U (en) | 2017-04-13 | 2017-04-13 | A kind of autoamtic protection device for forming of transformation case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206628758U true CN206628758U (en) | 2017-11-10 |
Family
ID=60205569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720385689.3U Expired - Fee Related CN206628758U (en) | 2017-04-13 | 2017-04-13 | A kind of autoamtic protection device for forming of transformation case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206628758U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106848894A (en) * | 2017-04-13 | 2017-06-13 | 国网安徽省电力公司明光市供电公司 | A kind of autoamtic protection device for forming of transformation case |
-
2017
- 2017-04-13 CN CN201720385689.3U patent/CN206628758U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106848894A (en) * | 2017-04-13 | 2017-06-13 | 国网安徽省电力公司明光市供电公司 | A kind of autoamtic protection device for forming of transformation case |
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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: 20171110 Termination date: 20190413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |