CN204257345U - A kind of energy-efficient flameproof mining mobile transformer substation - Google Patents
A kind of energy-efficient flameproof mining mobile transformer substation Download PDFInfo
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- CN204257345U CN204257345U CN201420801896.9U CN201420801896U CN204257345U CN 204257345 U CN204257345 U CN 204257345U CN 201420801896 U CN201420801896 U CN 201420801896U CN 204257345 U CN204257345 U CN 204257345U
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Abstract
The utility model discloses a kind of energy-efficient flameproof mining mobile transformer substation, and it mainly adopts I-shaped stay to make low-voltage coil form chalcid fly socket air flue, adds adding of folder to fasten, and is more conducive to heat radiation and reduces vibrating noise; Adopt high-quality silicon steel sheet, reduce no-load loss: iron core adopts high-quality cold-rolled orientation silicon steel sheet 23ZH90 high-quality height magnetic conduction silicon steel sheet, and make flameproof mining mobile transformer substation specific loss low, the structure of ladder lamination, reduces no-load loss.
Description
Technical field
The utility model belongs to potential device field, particularly relates to no-load loss and the lower energy-efficient flameproof mining mobile transformer substation of one of load loss.
Background technology
Known, flameproof mining mobile transformer substation is used for having methane blended gas and coal dust, and has in the mine of explosion hazard, as the power distribution equipment of underground coal mine comprehensive mechanization extractive equipment.The main body of flame-proof mine movable transformer pack is flameproof dry type transformer, flameproof dry type transformer on market is mostly KBSG10 series, this serial flameproof dry type transformer in use no-load loss, no-load current and noise aspect is all large, and it is very high to heat up, make the operating cost of user higher, also cause the waste of State Grid's resource simultaneously.
Summary of the invention
The purpose of this utility model is exactly for above-mentioned the deficiencies in the prior art, and provides a kind of reliability, high-quality, energy-efficient energy-efficient flameproof mining mobile transformer substation.
The utility model realizes the technical scheme that above-mentioned purpose adopts: a kind of energy-efficient flameproof mining mobile transformer substation, comprise the explosion-proof casing be arranged on movable base, vertically uniform three iron cores be arranged in explosion-proof casing, be wrapped in the low-voltage coil on three iron core peripheries and high-tension coil respectively, described low-voltage coil is connected with flameproof high-voltage load switch box with the explosion isolation type low-voltage feeding switch case be arranged on explosion-proof casing outer wall by wire respectively with high-tension coil, the external part up and down of described iron core is all connected by two folder clampings and is fixed in the internal base of explosion-proof casing by two folders of lower end, by some arm-tie tensions between the folder of described homonymy, described low-voltage coil internal package has several I-shaped stays arranged along wound core uniform in iron core short transverse, makes the honeycomb fashion air flue that low-voltage coil inside formation some is uniform.
The low-voltage coil of each iron core described in the utility model and the top and bottom of high-tension coil are provided with the cushion block for press-fiting low-voltage coil and high-tension coil, described cushion block are vertically provided with the bolt be connected with the nut that folder is arranged.
Iron core described in the utility model be by multilayer from middle part to two ends, the column structure that is combined into by the long silicon steel sheet shortened of length, the thickness being positioned at the silicon steel sheet of described iron core middle part is greater than the thickness of other silicon steel sheets.
High-tension coil described in the utility model is connected with explosion isolation type low-voltage feeding switch case with flameproof high-voltage load switch box respectively by star connection with low-voltage coil.
High-tension coil described in the utility model is sectional circular core structure, and described low-voltage coil is the foil cylindrical structure of Copper Foil coiling.
Iron core described in the utility model adopts 23ZH90 type high-quality cold-rolled orientation silicon steel sheet to be prepared from.
Specifically: the utility model comprises high-tension coil, low-voltage coil, iron core, folder, nail pressing, cushion block, high-pressure connection line, low-pressure continuous wiring, flameproof high-voltage load switch box, explosion isolation type low-voltage feeding switch case, explosion-proof casing, I-shaped stay; Wherein, the high-tension coil of described flameproof dry type transformer and low-voltage coil play circuit in whole flameproof dry type transformer, and complete the conversion between high-tension electricity and low tension by the magnetic circuit that iron core provides; Wherein, the high-pressure connection line of described flameproof dry type transformer is the line of three high-tension coil head and the tail outlet terminals, three phase places (A, B, C three-phase) making three high-tension coils connected in circuit become star connection, and be connected to flameproof high-voltage load switch box, for user provides high pressure inlet wire binding post; Wherein, described flameproof dry type transformer low-voltage coil adopts I-shaped stay, and forms honeycomb fashion small airway structure; Wherein, described flameproof dry type transformer iron core has folder to fix, and be seated in above explosion-proof casing, reduces vibrating noise; The high-tension coil of described flameproof dry type transformer and low-voltage coil are set in three iron core column of iron core, and are arranged on above folder the effect that coil plays compression and supports by nail pressing and cushion block; Wherein, the low-pressure continuous wiring of described flameproof dry type transformer is the line of three low-voltage coil outlet terminals, three phase places (a, b, c three-phase) making three low-voltage coils provided in circuit become star connection, and be connected to explosion isolation type low-voltage feeding switch case, for user provides low-pressure line-outgoing binding post.
The beneficial effect that the utility model adopts such scheme to bring is: the energy-efficient flameproof mining mobile transformer substation of the utility model patent has following effect:
1, energy-efficient, operating cost is low.The advantage of dry-type transformer in no-load loss and load loss of the energy-efficient flameproof mining mobile transformer substation of the utility model is especially outstanding, no-load loss and no-load current reduction by more than 25% more serial than KBSGZY10, load loss reduction by more than 12% more serial than HSCB10, so when normal load running, operating cost reduces greatly.With a transformer station of the present utility model, (no-load loss is: 2320W, load loss is: 6510W) (no-load loss is: 3100W with the logical KBSGZY10-1250/10 of a Daepori of the equivalent specifications model of domestic pharmaceutical industry industry, load loss is: 7400W) compare comparatively example, every annual operating cost is saved, and (transformer load rate calculates according to 0.7, the unit price electricity charge are by 0.56 yuan/degree, and annual running time is 8760 hours):
D=0.56*8760* [(3100-2320)+(7400-6510) * 0.7
2]/1000=5965 (unit)
2, the life-span is long.The utility model energy-efficient flameproof mining mobile transformer substation Series Design life-span is greater than 40 years.Owing to having higher overload capacity when flameproof dry type transformer designs by H level, when 110% rated power, continuously-running and do not sacrifice life expectancy; The flameproof dry type transformer class of insulation is high, and its dielectric constant is 1.5 ~ 2.5, and close to dielectric constant of air, partial discharge inception voltage is higher, thus extends the life-span of flameproof dry type transformer.
3, noise is low.KBSGZY10 series flameproof mining mobile transformer substation low by about 20% (falling about 10dB) that the utility model energy-efficient flameproof mining mobile transformer substation series noise ratio is common.
4, stronger anti-short circuit capability is had.The dry-type transformer of the energy-efficient flameproof mining mobile transformer substation of the utility model strengthens mechanical strength than medium-sized dry-type transformer, improve anti-short circuit capability, and have employed the vacuum impregnating technique of glassfiber insulation of new generation, further improve the rigidity of coil, enhance the bulk strength of transformer body.
5, temperature rise is low, and overload capacity is strong, can in the situation long-time running of 110% rated power.The energy-efficient flameproof mining mobile transformer substation of the utility model, dry-type transformer coil temperature rise controls at below 110K, so can excess load 10% long-time running.
Accompanying drawing explanation
Fig. 1 is outline drawing of the present utility model.
Fig. 2 is dry-type transformer body figure of the present utility model.
Fig. 3 is the A direction view of Fig. 2.
Fig. 4 is B-B sectional view in Fig. 2.
Fig. 5 is the folder of dry-type transformer of the present utility model.
Fig. 6 is the vertical view of Fig. 5.
Fig. 7 is the left view of Fig. 5.
Fig. 8 is dry-type transformer nail pressing of the present utility model assembling schematic diagram.
In figure: 1 high-tension coil, 2 low-voltage coils, 3 iron cores, 4 folders, 5 nail pressings, 6 cushion blocks, 7 high-pressure connection lines, 8 low-pressure continuous wiring, 9 flameproof high-voltage load switch boxes, 10 explosion isolation type low-voltage feeding switch casees, 11 explosion-proof casings, 12 I-shaped stays, 13 arm-ties.
Embodiment
The utility model is described further below with reference to embodiment and accompanying drawing.
As shown in figures 1-8, the energy-efficient flameproof mining mobile transformer substation of one of the present utility model, comprise the explosion-proof casing 11 be arranged on movable base, vertically uniform three iron cores 3 be arranged in explosion-proof casing 11, be wrapped in the low-voltage coil 2 on three iron core peripheries and high-tension coil 1 respectively, described low-voltage coil 2 is connected with flameproof high-voltage load switch box 9 with the explosion isolation type low-voltage feeding switch case 10 be arranged on explosion-proof casing 11 outer wall by wire respectively with high-tension coil 1, the external part up and down of described iron core 3 is all clamped by two folders 4 and connects and be fixed in the internal base of explosion-proof casing 11 by two folders 4 of lower end, strained by three arm-ties 13 between the folder 4 of described homonymy, described low-voltage coil 2 internal package has several I-shaped stays 12 arranged along wound core uniform in iron core short transverse, makes the honeycomb fashion air flue that low-voltage coil 2 inside formation some is uniform.
The low-voltage coil 2 of each iron core described in the utility model and the top and bottom of high-tension coil 1 are provided with the cushion block 6 for press-fiting low-voltage coil 2 and high-tension coil 1, described cushion block 6 are vertically provided with the bolt be connected with the nut that folder 4 is arranged.
Iron core 3 described in the utility model be by multilayer from middle part to two ends, the column structure that is combined into by the long silicon steel sheet shortened of length, the thickness being positioned at the silicon steel sheet of described iron core middle part is greater than the thickness of other silicon steel sheets.
High-tension coil 1 described in the utility model is connected with explosion isolation type low-voltage feeding switch case 10 with flameproof high-voltage load switch box 9 respectively by star connection with low-voltage coil 2.
High-tension coil 1 described in the utility model is sectional circular core structure, and described low-voltage coil 2 is the foil cylindrical structure of Copper Foil coiling.
Iron core 3 described in the utility model adopts 23ZH90 type high-quality cold-rolled orientation silicon steel sheet to be prepared from.
In particular: shown in composition graphs 1,2 and 4, flameproof dry type transformer coil of the present utility model have employed low-temperature-rise, is generally lower than 110K.Main method is: (1) strengthens the area of wire, reduces load loss: the sectional area of wire of coiling is by original low pressure 3200mm
2with high pressure 48mm
2change present low pressure 4700mm into
2with high pressure 59mm
2; (2) area of dissipation is expanded: the area of dissipation of coil is by original 28.8m
2change present 37.9m into
2; (3) improve heat radiation efficient: adopt I-shaped stay 12 to make low-voltage coil 2 form chalcid fly socket air flue, add folder 4 (as shown in figures 2 and 5) and adopt band steel structure, be more conducive to heat radiation; (4) adopt high-quality silicon steel sheet, reduce no-load loss: iron core 3 adopts high-quality cold-rolled orientation silicon steel sheet 23ZH90 high-quality height magnetic conduction silicon steel sheet, and specific loss is low, and B800 value is high, and 45 ° of full bias seams, ladder lamination, reduces no-load loss.
As shown in Figures 2 and 3, described flameproof dry type transformer iron core 3 is fixed by folder 4, and be seated in explosion-proof casing 11 inner face, makes whole transformer form a rigid body, add whole transformer anti-short circuit capability.Iron core 3 adopts the pulling plate structure of high-strength polyester band colligation in clamping process, makes processing technology unshakable in one's determination simple, reliable in quality.
Shown in composition graphs 1 and 3, the utility model flameproof dry type transformer low-voltage coil 2 adopts I-shaped stay 12 to make low-voltage coil 2 form chalcid fly socket air passage structure, this kind of structure overcomes the eddy current that in coil big airways in the past, air is easily formed, thus improve the efficiency of coil air circulation, improve the radiating efficiency of air flue, also improve the intensity of coil simultaneously.
As illustrated in figs. 2 through 8, the high-tension coil 1 of the utility model flameproof dry type transformer and low-voltage coil 2 are set in three iron core column of iron core 3, and are arranged on folder 4 above to the effect that coil plays compression and supports by nail pressing 5 and cushion block 6.Adopt Fig. 6 to such a construction increases the anti-short circuit capability of product, reduce the noise that vibration brings.
As in Figure 2-4, high-tension coil 1 is sectional circular core structure, and low-voltage coil 2 is Copper Foil coiling foil cylindrical structure, makes high-voltage coil and low-voltage coil have good ampere-turn equilibrium, substantially increases coil resistance to mechanical short-circuit capacity.High-low pressure winding adopts vacuum pressure impregnation shaping, and add impregnated insulating paint itself and have difficult combustion self-extinguishment, therefore product has good anti-flammability, and fail safe is good.
Due to energy-efficient flameproof mining mobile transformer substation no-load loss of the present utility model and load loss very low, user's operating cost can be made to obtain and significantly to reduce, and save electric energy, achieve low noise, energy-efficient.Adding the feature that moisture protection is strong, good flame resistance, overload capacity and anti-short circuit capability are strong, is the ideal product that on future market, flameproof mining mobile transformer substation updates.
Claims (5)
1. an energy-efficient flameproof mining mobile transformer substation, comprise the explosion-proof casing be arranged on movable base, vertically uniform three iron cores be arranged in explosion-proof casing, be wrapped in the low-voltage coil on three iron core peripheries and high-tension coil respectively, described low-voltage coil is connected with flameproof high-voltage load switch box with the explosion isolation type low-voltage feeding switch case be arranged on explosion-proof casing outer wall by wire respectively with high-tension coil, it is characterized in that: the external part up and down of described iron core is all connected by two folder clampings and is fixed in the internal base of explosion-proof casing by two folders of lower end, by some arm-tie tensions between the folder of described homonymy, described low-voltage coil internal package has several I-shaped stays arranged along wound core uniform in iron core short transverse, makes the honeycomb fashion air flue that low-voltage coil inside formation some is uniform.
2. energy-efficient flameproof mining mobile transformer substation according to claim 1, it is characterized in that: the described low-voltage coil of each iron core and the top and bottom of high-tension coil are provided with the cushion block for press-fiting low-voltage coil and high-tension coil, described cushion block being vertically provided with the bolt be connected with the nut that folder is arranged.
3. energy-efficient flameproof mining mobile transformer substation according to claim 1 and 2, it is characterized in that: described iron core be by multilayer from middle part to two ends, the column structure that is combined into by the long silicon steel sheet shortened of length, the thickness being positioned at the silicon steel sheet of described iron core middle part is greater than the thickness of other silicon steel sheets.
4. energy-efficient flameproof mining mobile transformer substation according to claim 3, is characterized in that: described high-tension coil is connected with explosion isolation type low-voltage feeding switch case with flameproof high-voltage load switch box respectively by star connection with low-voltage coil.
5. energy-efficient flameproof mining mobile transformer substation according to claim 4, is characterized in that: described high-tension coil is sectional circular core structure, and described low-voltage coil is the foil cylindrical structure of Copper Foil coiling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420801896.9U CN204257345U (en) | 2014-12-18 | 2014-12-18 | A kind of energy-efficient flameproof mining mobile transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420801896.9U CN204257345U (en) | 2014-12-18 | 2014-12-18 | A kind of energy-efficient flameproof mining mobile transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204257345U true CN204257345U (en) | 2015-04-08 |
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ID=52961624
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420801896.9U Expired - Fee Related CN204257345U (en) | 2014-12-18 | 2014-12-18 | A kind of energy-efficient flameproof mining mobile transformer substation |
Country Status (1)
| Country | Link |
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| CN (1) | CN204257345U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105895327A (en) * | 2014-12-18 | 2016-08-24 | 郑州远见安全装备股份有限公司 | High-efficiency and energy-saving mining explosion-proof mobile substation |
-
2014
- 2014-12-18 CN CN201420801896.9U patent/CN204257345U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105895327A (en) * | 2014-12-18 | 2016-08-24 | 郑州远见安全装备股份有限公司 | High-efficiency and energy-saving mining explosion-proof mobile substation |
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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 |
Granted publication date: 20150408 Termination date: 20151218 |
|
| EXPY | Termination of patent right or utility model |