CN209344786U - A kind of box type transformer for development machine - Google Patents
A kind of box type transformer for development machine Download PDFInfo
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- CN209344786U CN209344786U CN201822142474.6U CN201822142474U CN209344786U CN 209344786 U CN209344786 U CN 209344786U CN 201822142474 U CN201822142474 U CN 201822142474U CN 209344786 U CN209344786 U CN 209344786U
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Abstract
The utility model discloses a kind of box type transformers for development machine, the box type transformer includes independent low-pressure chamber, transformer room, hyperbaric chamber, the side of the low-pressure chamber enters the indoor low-tension switch cabinet inlet wire wiring point of low pressure by carrier of low-voltage cable, by the low-pressure chamber of this box type transformer, transformer room, hyperbaric chamber, high-voltage electricity after converted is by the indoor high-tension switch cabinet outlet wiring point of high pressure, it goes out by carrier of high-tension cable, then access terminal loads, and the terminal load is development machine；Building energy consumption can be reduced using the technical program, it is energy saving, guarantee the stable operation of development machine, improves working efficiency.
Description
Technical field
The utility model belongs to field transformer more particularly to a kind of box type transformer for development machine.
Background technique
In recent years, with the arrival of mining firm's modern production and information system management epoch, coal with bared lips therewith
Machine industry is also paid more and more attention, and development machine is as important one of production equipment, and electrical system is the weight of development machine complete machine
Want component part, the guarantee that complete machine works normally when the reliability service of electrical system；Development machine electric control system is quickly grown,
Understanding and the management for deepening use, maintenance to mining driving electromechanical equipment are great to the security sense that it is used is improved.
And the course of work of development machine is an a large amount of consumption electric energy, converts electrical energy into mechanical energy, and is constantly done work
Process, the power consumption characteristics of development machine are: power consumption is big, meets that fluctuation is big and motor single-machine capacity is big, then development machine
Electrical installation system at work, first have to guarantee there is a stable power supply, and the working environment of development machine
Most of moist, dust is constantly and vibration is severe, therefore this is just higher to the power reguirements standard of development machine.
The selection of development machine power transformer is the primary link of the comprehensive pick power supply region in underground；Transformer capacity
Selection it is proper whether, be related to tunnel driving scale and fully mechanized workface Electrical Safety.If the capacity of transformer selects
Select it is excessive, not only make equipment investment expense increase, can also bring excessive transformer noload losses, lead to power in power supply system
Factor value reduces, and causes the waste being not necessarily to；If the Capacity Selection of transformer is too small, the long-term running overload the case where
Under, copper loss will increase, and so that coil is overheated accelerated ageing, causes security risk and shorten the service life of transformer, high-power driving
When the cutting motor of machine starts and overloads, it can frequently cause the pressure drop of power supply system, the torque of motor output and square of voltage
It is directly proportional, that is, it will lead to torque and sharply decline, cause development machine to be not normally functioning, seriously affect manufacturing schedule.Therefore, correctly
Selecting transformer is the important component of underground power supply used design, it is necessary to give enough attention.
Existing transformer is all No-load changer, that is to say, that when transformer is uncharged could pressure regulation, this to driving
The use of machine brings very big unstable factor.
Therefore need to provide a kind of transformer for capableing of automatic Regulation for development machine, to improve the work effect of development machine
Rate.
Summary of the invention
In view of the deficiencies of the prior art, the utility model provides a kind of box type transformer for development machine, can be always
Stable voltage is provided to development machine, at any time automatic Regulation.
A kind of box type transformer for development machine, the box type transformer include independent low-pressure chamber, transformer room, height
Pressure chamber,
The side of the low-pressure chamber enters the indoor low-tension switch cabinet inlet wire wiring point of low pressure by carrier of low-voltage cable, warp
Cross low-pressure chamber, the transformer room, hyperbaric chamber of this box type transformer, it is converted after high-voltage electricity by the indoor high-tension switch cabinet of high pressure
Outlet wiring point, goes out by carrier of high-tension cable, and then access terminal loads, and the terminal load is development machine；
One end of the low-tension switch cabinet inlet wire wiring point is sequentially connected to low-voltage circuit breaker QFS21 and current transformer
TA23, the current transformer TA23 be respectively connected to arrester F22 and low-voltage circuit breaker QF, the low-voltage circuit breaker QF with
Contactor KM, fuse FR and capacitor C are successively linked, one end of the low-voltage circuit breaker QFS21 and the low-tension switch cabinet
There are six the concatermer of low-voltage circuit breaker QF22 and current transformer TA22, the low pressure is disconnected for the other end parallel connection of inlet wire wiring point
Road device QF22's has been sequentially connected in series current transformer TA22, low-voltage circuit breaker QF21, current transformer TA21, arrester F21；
Transformer is provided in the transformer room, the low-pressure end cross-talk of the transformer is connected to the arrester F21,
The transformer it is neutral grounded, the high pressure cross-talk of the transformer is sequentially connected to the limited flow fuse in the hyperbaric chamber
FU2, short-circuit fuse FU1, on-load switch QL11, malfunction indicator lamp DS1 and arrester F11.
Preferably, long cable section of ingoing line hole is provided in the low-pressure chamber, the outer diameter in the long cable section of ingoing line hole is 71-75mm.
Preferably, cable outlet hole is provided in the hyperbaric chamber, the outer diameter in the cable outlet hole is 51-58mm.
Preferably, the case of the box type transformer becomes main body cover as aluminizing zine plate or metallic carved insulation board.
Preferably, it is green into state's net to become main body cover color for the case of the box type transformer.
Preferably, the transformer is oil-immersed type transformer.
Preferably, the transformer room uses the forced heat dissipation air cooling equipment of gravity-flow ventilation and automatic control.
Preferably, the indoor low-voltage circuit breaker of the low pressure can also can be closed manually with electric operating combined floodgate, separating brake
Lock, separating brake.
Compared with the nearest prior art, the utility model has the following beneficial effects:
1. building energy consumption is reduced, it is energy saving.Using the building of metallic carved insulation board metope, can increase substantially
The incubation and thermal insulation function of wall can reduce by 45% or more energy consumption than the building without using metallic carved thermal insulation material, and summer can be big
Big reduce is conducted by solar irradiation exterior wall to indoor thermal energy, and then makes heating, and the energy consumption of air-conditioning declines and protect main structure,
The service life of building can also be extended；
2. decorative effect can match in excellence or beauty with aluminium sheet, stone curtain wall.Metallic carved insulation board is a kind of excellent, plasticity pole
Strong ornament materials, outer layer decorative cover can be processed into various colors according to the requirement of client, can reach aluminium-plastic panel or even imitation wood material,
The effect of the top grade ornament materials such as parian；
3. metallic carved insulation board is durable.It is insensitive to erosion by wind and rain and air pollution, there is preferable self-cleaning energy
Power, general dust pollution is insensitive, has preferable self-cleaning ability, general dust pollution is rinsed with water can be clean as new.?
Foreign countries have the metope using 20 years or more, referring now to still relatively new；
4. product keeps the temperature 1/10th or so of ways from heavy and light (3.7 ㎏/㎡), only other types, to greatest extent
Dead load is reduced, carrying and installation is convenient；
5. being effectively prevented from outer guarantor due to the adjustable wall humidity of air layer between metallic carved insulation board and wall
Thermometer bulb wraps up in building and indoor mouldy phenomenon occurs；
6. applied widely, the building for creating and repairing, public building, the people have building to can be used, and are not required to pair
Building wall carries out cumbersome pretreatment；
7. industrializing Automatic Production Line, product quality is high, and performance is stablized, and qualification rate is up to 99.9% or more；
8. dry method is installed, it is not affected by the weather, simple and convenient, short construction period is installed.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is a kind of electrical connection diagram of the box type transformer for development machine of the utility model；
Specific embodiment
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.
In order to thoroughly understand the utility model embodiment, detailed structure will be proposed in following description.Obviously, this reality
The specific details that those skilled in the art is familiar with are not limited to the execution of new embodiment.The utility model it is preferable
Embodiment is described in detail as follows, however other than these detailed descriptions, the utility model can also have other embodiments.
The basic structure that case becomes is divided into " mesh " font and triangle disposition, box frame using high-quality channel steel and angle steel welding and
At mechanical strength with higher, cabinet is made of aluminium alloy extrusions, has preferable anti-corrosion ability, and overall beautiful is outer
Shape can be provided with the environment coordination of surrounding, well-designed bottom boom hoisting to installation and transportation movement through spray painting coloring
It greatly facilitates.
There is independent hyperbaric chamber in case, transformer room, low-pressure chamber, each room illuminates and automatically opens with the unlatching of door.Hyperbaric chamber
It is provided with high pressure ring switchgear, can be needed to select air pressing type, vacuum type on-load switch according to user, and there is " five is anti-" function
Can, when using current-limiting type high-tension fuse, when having certain phase fuse blows, on-load switch automatic brake separating is avoided because of phase shortage
It runs and causes failure.
Referring to Fig.1, Fig. 1 is a kind of electrical connection diagram of the box type transformer for development machine of the utility model；This implementation
A kind of box type transformer for development machine that example provides, the box type transformer includes independent low-pressure chamber, transformer room, height
Pressure chamber, the side low tension (AC380V) of the low-pressure chamber using low-voltage cable as carrier enter the indoor low-tension switch cabinet of low pressure into
Line wiring point, by the low-pressure chamber of this box type transformer, transformer room, hyperbaric chamber, it is converted after high-voltage electricity (AC1140V) by
The indoor high-tension switch cabinet outlet wiring point of high pressure, goes out by carrier of high-tension cable, and then access terminal loads, loadtype
For electric motor type load, the terminal load is development machine, provides the electric energy of regulation parameter for terminal load；
One end of the low-tension switch cabinet inlet wire wiring point is sequentially connected to low-voltage circuit breaker QFS21 and current transformer
TA23, the current transformer TA23 are respectively connected to arrester F22 and low-voltage circuit breaker QF, the low-voltage circuit breaker QF and connect
Tentaculum KM, fuse FR and capacitor C are successively linked, one end of the low-voltage circuit breaker QFS21 and the low-tension switch cabinet into
There are six the concatermer of low-voltage circuit breaker QF22 and current transformer TA22, the low pressure is disconnected for the other end parallel connection of line wiring point
Road device QF22's has been sequentially connected in series current transformer TA22, low-voltage circuit breaker QF21, current transformer TA21, arrester F21；
Transformer is provided in the transformer room, the low-pressure end cross-talk of the transformer is connected to the arrester F21,
The transformer it is neutral grounded, the high pressure cross-talk of the transformer is sequentially connected to the limited flow fuse in the hyperbaric chamber
FU2, short-circuit fuse FU1, on-load switch QL11, malfunction indicator lamp DS1 and arrester F11.
Long cable section of ingoing line hole is provided in the present embodiment low-pressure chamber, the outer diameter in the long cable section of ingoing line hole is 71-75mm, and effectively
Sealing, locking, side outlet；Cable outlet hole is provided in the hyperbaric chamber, the outer diameter in the cable outlet hole is 51-58mm,
And it effectively seals, lock, side outlet.
The case of the box type transformer of the present embodiment becomes main body cover as aluminizing zine plate, and the case of box type transformer becomes main body
It is green that color of shell is that state nets, and case becomes main body cover and has following characteristics: anti-exposure performance is strong, is not easy thermally conductive, reduces inside and sets
Standby running temperature；It is freeze proof, corrosion resistance, rustless property, it is not necessary to repair, the service life is long；There is preferable humidity resistance, it will not be because cold
Thermal change and generate condensation；There is preferable flame-retarding characteristic, fire protecting performance is good；External form and color can be selected according to ambient enviroment, together
When play the role of beautifying the environment.
The present embodiment transformer room uses the forced heat dissipation air cooling equipment of gravity-flow ventilation and automatic control, has and becomes with temperature
The exhaust system changed and automatically controlled, can be effectively controlled reduction the temperature inside the box, meets service requirement, require also adopt according to user
With anti-condensation device, acording to the requirement of user, can along have track can easily from transformer compartment two sides enter at a gate into.Case
Body material can prevent rainwater and dirt from entering, and have the condition that long-term outdoor uses, it is ensured that anti-corrosion waterproof, anti-dust performance use
Service life is long, and maintenance is simple, good appearance.
Breaker is housed in the present embodiment mesolow room, has electric operating combined floodgate, separating brake function, can also be closed manually
Lock, separating brake；There is the display of voltage and current；It should be effectively isolated in low tension loop, to guarantee the safety of power on/off, maintenance and repair；
It should be dielectrically separated from the accessible live part of people, for example insulation barrier, package insulating layer etc. are installed in inlet wire wiring point.
Intelligent frame pantograph disconnecting switch is housed, which should directly open for motor in the present embodiment mesohigh room
Ejector half load, has electric switch-on, separating brake function, can also be closed a floodgate manually, separating brake；There is the display of voltage and current；It is easy in people
The live part touched should be dielectrically separated from, for example install insulation barrier, package insulating layer in outlet wiring point.
The present embodiment box type transformer should have automatic dehumidifying, automatic illuminating, automatic ventilation, explosion-proof and anti-condensation dress
It sets, which integrally can directly lift, and be not required to integrally can directly transport using auxiliary lifting appliance and the case allergic effect；This
Transformer uses oil-immersed type transformer in embodiment, and oil-immersed transformer can be selected conservator and without hermetically sealed two kinds of conservator.
The present embodiment has the advantages that
1. building energy consumption is reduced, it is energy saving.Using the building of metallic carved insulation board metope, can increase substantially
The incubation and thermal insulation function of wall can reduce by 45% or more energy consumption than the building without using metallic carved thermal insulation material, and summer can be big
Big reduce is conducted by solar irradiation exterior wall to indoor thermal energy, and then makes heating, and the energy consumption of air-conditioning declines and protect main structure,
The service life of building can also be extended；
2. decorative effect can match in excellence or beauty with aluminium sheet, stone curtain wall.Metallic carved insulation board is a kind of excellent, plasticity pole
Strong ornament materials, outer layer decorative cover can be processed into various colors according to the requirement of client, can reach aluminium-plastic panel or even imitation wood material,
The effect of the top grade ornament materials such as parian；
3. metallic carved insulation board is durable.It is insensitive to erosion by wind and rain and air pollution, there is preferable self-cleaning energy
Power, general dust pollution is insensitive, has preferable self-cleaning ability, general dust pollution is rinsed with water can be clean as new.?
Foreign countries have the metope using 20 years or more, referring now to still relatively new；
4. product keeps the temperature 1/10th or so of ways from heavy and light (3.7 ㎏/㎡), only other types, to greatest extent
Dead load is reduced, carrying and installation is convenient；
5. being effectively prevented from outer guarantor due to the adjustable wall humidity of air layer between metallic carved insulation board and wall
Thermometer bulb wraps up in building and indoor mouldy phenomenon occurs；
6. applied widely, the building for creating and repairing, public building, the people have building to can be used, and are not required to pair
Building wall carries out cumbersome pretreatment；
7. industrializing Automatic Production Line, product quality is high, and performance is stablized, and qualification rate is up to 99.9% or more；
8. dry method is installed, it is not affected by the weather, simple and convenient, short construction period is installed.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System, although the utility model is described in detail referring to above-described embodiment, those of ordinary skill in the art are still
Specific implementation of the utility model can be modified or equivalent replacement, these without departing from the spirit of the present invention and
Any modification of range or equivalent replacement are being applied within pending claims.
Claims (8)
1. a kind of box type transformer for development machine, which is characterized in that the box type transformer includes independent low-pressure chamber, change
Depressor room, hyperbaric chamber,
The side of the low-pressure chamber enters the indoor low-tension switch cabinet inlet wire wiring point of low pressure by carrier of low-voltage cable, by this
The low-pressure chamber of box type transformer, transformer room, hyperbaric chamber, it is converted after high-voltage electricity by the indoor high-tension switch cabinet outlet of high pressure
Wiring point is gone out by carrier of high-tension cable, and then access terminal loads, and the terminal load is development machine；
One end of the low-tension switch cabinet inlet wire wiring point is sequentially connected to low-voltage circuit breaker QFS21 and current transformer TA23,
The current transformer TA23 is respectively connected to arrester F22 and low-voltage circuit breaker QF, the low-voltage circuit breaker QF and contactor
KM, fuse FR and capacitor C are successively linked, and one end of the low-voltage circuit breaker QFS21 connects with the low-tension switch cabinet inlet wire
There are six the concatermer of low-voltage circuit breaker QF22 and current transformer TA22, the low-voltage circuit breakers for the other end parallel connection of line point
QF22's has been sequentially connected in series current transformer TA22, low-voltage circuit breaker QF21, current transformer TA21, arrester F21；
Transformer is provided in the transformer room, the low-pressure end cross-talk of the transformer is connected to the arrester F21, described
Transformer it is neutral grounded, the high pressure cross-talk of the transformer be sequentially connected to limited flow fuse FU2 in the hyperbaric chamber,
Short-circuit fuse FU1, on-load switch QL11, malfunction indicator lamp DS1 and arrester F11.
2. the box type transformer according to claim 1 for development machine, which is characterized in that be provided in the low-pressure chamber
Long cable section of ingoing line hole, the outer diameter in the long cable section of ingoing line hole are 71-75mm.
3. the box type transformer according to claim 1 for development machine, which is characterized in that be provided in the hyperbaric chamber
Cable outlet hole, the outer diameter in the cable outlet hole are 51-58mm.
4. the box type transformer according to claim 1 for development machine, which is characterized in that the case of the box type transformer
Become main body cover as aluminizing zine plate or metallic carved insulation board.
5. the box type transformer according to claim 1 for development machine, which is characterized in that the case of the box type transformer
It is green into state's net to become main body cover color.
6. the box type transformer according to claim 1 for development machine, which is characterized in that the transformer is oil immersion change
Depressor.
7. the box type transformer according to claim 1 for development machine, which is characterized in that the transformer room uses certainly
The forced heat dissipation air cooling equipment so divulged information and automatically controlled.
8. the box type transformer according to claim 1 for development machine, which is characterized in that the indoor low pressure of low pressure
Breaker can also can be closed a floodgate manually, separating brake with electric operating combined floodgate, separating brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822142474.6U CN209344786U (en) | 2018-12-20 | 2018-12-20 | A kind of box type transformer for development machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822142474.6U CN209344786U (en) | 2018-12-20 | 2018-12-20 | A kind of box type transformer for development machine |
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| CN209344786U true CN209344786U (en) | 2019-09-03 |
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| CN201822142474.6U Active CN209344786U (en) | 2018-12-20 | 2018-12-20 | A kind of box type transformer for development machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109347114A (en) * | 2018-12-20 | 2019-02-15 | 江苏恒变电力设备有限公司 | A kind of box type transformer for development machine |
-
2018
- 2018-12-20 CN CN201822142474.6U patent/CN209344786U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109347114A (en) * | 2018-12-20 | 2019-02-15 | 江苏恒变电力设备有限公司 | A kind of box type transformer for development machine |
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