CN206041816U - Mining flame proof high pressure combination converter core and converter - Google Patents
Mining flame proof high pressure combination converter core and converter Download PDFInfo
- Publication number
- CN206041816U CN206041816U CN201620636203.4U CN201620636203U CN206041816U CN 206041816 U CN206041816 U CN 206041816U CN 201620636203 U CN201620636203 U CN 201620636203U CN 206041816 U CN206041816 U CN 206041816U
- Authority
- CN
- China
- Prior art keywords
- power
- water
- bus
- unit
- sets
- 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.)
- Active
Links
Landscapes
- Inverter Devices (AREA)
Abstract
The utility model relates to a mining flame proof high pressure combination converter core, a serial communication port, mining flame proof high pressure combination converter core includes one set of rectifier power storehouse, three sets of dc -to -ac converter power storehouses and one set of hydrologic cycle cooling system, three sets of dc -to -ac converter power storehouses set up between rectifier power storehouse and hydrologic cycle cooling system. Under the volume of the same space of mining flame proof high pressure combination converter, one set of rectifier power storehouse three sets of dc -to -ac converter power storehouse of cooperation and one set of hydrologic cycle cooling system can realize on the basis of satisfying system's heat dissipation demand that one drags three rectifier and inverter to hand over directly to hand over the frequency conversion control function, among this technical scheme solitary rectifier power storehouse, the three sets of dc -to -ac converter power storehouses, hydrologic cycle cooling system homoenergetic be the rectification, contravariant, the heat dissipation function that have of realization itself respectively, quick -witted core module commercialization, it is more reasonable, compact to design in the volume utilization of space, can effectual realization install maintenance, power storehouse module coreization fast.
Description
Technical field
The present invention relates to a kind of frequency converter, and in particular to a kind of mining flame-proof high-voltage combined frequency changer movement collection frequency converter,
Belong to electric control structure component technology field.
Background technology
Frequency converter is, using converter technique and microelectric technique, to control to hand over by changing motor working power Frequency Patterns
The electric control appliance of stream motor.Frequency converter is mainly by rectification（AC-DC）, filtering, inversion（Direct current becomes exchange）, system
Moving cell, driver element, detector unit microprocessing unit etc. are constituted, and IGBT cut-offs to adjust out-put supply frequency converter close to the inner portion
Voltage and frequency, being actually needed come the supply voltage required for providing which according to motor, and then reach the mesh of energy-conservation, speed governing
's；Increasingly mature due to converter technique, converter technique is being also deep into all trades and professions, but the frequency converter on market is generally deposited
In problems with：The driving of typical high power drag conveyor is based on speed regulation type hydrodynamic coupler, it is possible to achieve soft start, but
Circuit system is complicated, and maintenance workload is big, and maintenance cost is high, and cannot work long hours in the low-speed mode, in certain journey
The development and application of frequency converter is limited on degree.Therefore, a kind of new scheme of exigence solves the technical problem.
The content of the invention
The present invention is exactly for technical problem present in prior art, there is provided a kind of mining flame-proof high-voltage combined frequency changer
Movement, the overall system design is ingenious, structure is compacter, eliminates speed regulation type hydrodynamic coupler, using directly to wheel connection,
The mechanical efficiency of raising equipment.
To achieve these goals, technical scheme is as follows, a kind of mining flame-proof high-voltage combined frequency changer movement,
Characterized in that, the mining flame-proof high-voltage combined frequency changer movement includes a set of rectifier power storehouse, three sets of inverter work(
Rate storehouse and a set of water circulation cooling system, three sets of inverter power storehouses are arranged on rectifier power storehouse and water is followed
Between ring cooling system.
As a modification of the present invention, the rectifier power storehouse include power cell, low voltage control unit, water-
Wind heat-exchange system unit, DC side lamination is noninductive bus and core framework, the power cell DC side and DC side lamination
Noninductive bus connection, the low voltage control unit provide logic control for system；The water-wind heat-exchange system unit is built for system
Vertical auxiliary radiation circulation system, the power cell, low voltage control unit, water-wind heat-exchange system unit, DC side lamination is noninductive
Bus is arranged on core framework；
Wherein power cell adopts 12 pulse wave diode rectifier bridge cascaded structures；The power cell internal installs one block of water
Cold drawing, arranges diode power module in cooled plate both sides, installs exchange laminated bus, rectifier power on power model
12 pulse wave diode rectifier bridge cascaded structure power cell AC of storehouse phase-shifting transformer of the connection with 30 ° of phase differences is exported
Three-phase alternating voltage, DC side lamination is noninductive bus just, zero, negative three-phase is by direct current in busbar connection inverter power storehouse
Busbar voltage filter unit.
As a modification of the present invention, the power cell, low voltage control unit, water-wind heat-exchange system unit, direct current
Side lamination is noninductive, and bus is fixedly mounted on core framework relevant position by connected modes such as bolt, guide rails.The core framework
Using C, the water-wind heat-exchange system unit is connected with external water circulation system, with inverter storehouse composition with rectification,
During the frequency converter movement of inversion function, power component is removed by internal by water-wind heat-exchange system unit through blower fan internal circulating load
The heat energy displacement that outer other electronic devices and components are distributed is taken out of outside housing to water circulation system, provides one more for whole system operation
Stable working environment；The low voltage control unit by master control borad, rise pressing plate, transformer, PLC and relay group into being whole
Stream device power storehouse and whole frequency convertor system provide stable working power and the automatic logic control function of system.
The water-wind heat-exchange system unit is connected with external water circulation system, with inverter storehouse composition with rectification, inverse
Become function frequency converter movement when, through blower fan internal circulating load by water-wind heat-exchange system unit by inside in addition to power component
The heat energy displacement that other electronic devices and components are distributed is taken out of outside housing to water circulation system, for whole system operation provide one it is more steady
Fixed working environment.
Used as a modification of the present invention, the inverter power storehouse includes three sets of power cells, a set of output filtering
Device unit, a set of DC bus-bar voltage filter unit, a set of low voltage control unit, core framework, provide outside one group and dissipate
The water inlet pipe and water outlet pipe of heat circulating system, wherein：Three sets of power cell DC sides are connected with DC bus-bar voltage filter unit, are handed over
Stream side Jing output filters unit connection external loading equipment, the low voltage control unit provides logic control for system, described
The outside water inlet pipe and water outlet pipe connection power cell that heat dissipation circulating system is provided and output filter unit, three sets of power cells,
Output filter unit, DC bus-bar voltage filter unit, low voltage control unit, the outside Inlet and outlet water that heat dissipation circulating system is provided
Pipe is on core framework.Three sets of power cells are uniformly arranged on front side of core framework, the output filter unit
Installed in the downside of core framework, the DC bus-bar voltage filter unit is arranged on rear side of core framework, the low voltage control
Unit is arranged at the top of core framework, under the outside water inlet pipe and water outlet pipe for providing heat dissipation circulating system is arranged on front side of core framework
Portion position, three sets of power cells are using the cellular construction designed based on diode clamp formula three-level topology principle；Institute
State power cell internal and one piece of cooled plate is installed, uniform four IGBT, two diode power modules in cooled plate both sides, in work(
Exchange laminated bus, bottom AC connection exchange turnover bus are installed in rate module.
Used as a modification of the present invention, three sets of power cells exchange laminated bus DC side directly and dc bus
Voltage filter unit dc bus just, zero, negative terminal connection, reduce electromagnetic interferences for causing of reason such as secondary connection etc. it is unfavorable because
Element；Power cell exchange turnover bus outlet side through output filter unit connection external loading provide it is safe and stable,
Controllable exchange output；Three sets of power cells, output filter unit, DC bus-bar voltage filter unit, low voltage control
Unit, the outside water inlet pipe and water outlet pipe for providing heat dissipation circulating system are fixedly mounted on core framework phase by bolt, guide rail connected mode
Answer position.The cooled plate is waterproof sealing structure, and external water circulation system coolant is through cooled plate and IGBT, diode
Power device carries out heat exchange and reaches power device radiating requirements, and the DC bus-bar voltage filter unit is folded by low inductance direct current
Layer bus, resistance and electric capacity composition, electric capacity are divided into two groups by multiple electric capacity parallel connections and are connected to direct current laminated bus positive zero, bear
Zero side；Two groups of resistance are connected to direct current laminated bus positive zero, negative zero side.
Used as a modification of the present invention, the water circulation cooling system includes core framework and is arranged on core framework
The water-water heat exchanger of inside, major cycle water pump, swelling gasbag, deionization system and monitor control system, the water-hydro-thermal
Exchanger is arranged on the side of core framework, and the major cycle water pump is arranged on core framework bottom, the swelling gasbag and goes
Ion system is installed on rear side of core framework.Water distribution water return pipeline in the connection of water water inlet end in the water-water heat exchanger, and
The heat energy displacement that cooling medium in system is taken out of is dispersed in air to outside cooling recirculation system, Nei Shui water sides connection master
Water circulating pump water inlet end；Internally the interior water distribution inlet pipeline of connection provides cooling for power component at the major cycle water pump water outlet end；
The swelling gasbag sets up voltage-stabilizing system for system, the deionization system be parallel to water-water heat exchanger, major cycle water pump it
Between main circulation loop, the monitor control system automatically controlled to water-cooling system.
As a modification of the present invention, the water-water heat exchanger, major cycle water pump, swelling gasbag, deionization system
The relevant position of core framework, the water-water heat exchanger are fixedly mounted on by system pipeline mode with bolts
Internal connection main circulation pump, cooling recirculation system outside external connection, in cooling medium, heat is replaced through water-water heat exchanger
It is dispersed in air to outside cooling recirculation system.
Used as a modification of the present invention, the high pressure combined frequency changer movement is input into using phase shift three-phase alternating current, is passed through
The exchange of 12 pulse wave diode rectification bridge power units turns direct current；The frequency converter movement is using " multi-inverter power storehouse is straight altogether
Stream bus " structure, is mutually connected in series relative dc bus using busbar, through being connected with DC bus-bar voltage filter unit
The diode clamp formula three-level topology principal power unit for connecing realizes that stream output, three sets of inverter power heaps are delivered in direct current input
The output of stack inverter power unit is by the internal output filter connection load for arranging.
Used as a modification of the present invention, a set of rectifier power storehouse, three sets of inverter power storehouse direct currents are female
Line using it is n- just, zero-zero, it is negative-bear that busbar corresponding two-by-two is connected in series to form " direct current is female altogether for multi-inverter power storehouse
Line " structure.
A kind of mining flame-proof high-voltage combined frequency changer, it is characterised in that include：Integral explosion-proof combined frequency changer housing；
Mine flameproof and intrinsic safety type as described in claim 1 to 6 is installed in the explosion-proof combined frequency changer housing
High pressure combined frequency changer movement.
Used as a modification of the present invention, the Integral explosion-proof combined frequency changer housing adopts straight barrel type structure, left and right
Open the door both sides；The explosion-proof combined frequency changer enclosure interior arranges mobile extensible track and supporting dolly, for installing fixed ore deposit
With Flameproof intrinsically safe high pressure combined frequency changer movement；The explosion-proof combined frequency changer housing or so side door plate is arranged and is led back
Road quick cable connector, explosion insulation connecting line cavity, intrinsic safety man-machine interface, control button knob, running status show；Described explosion-proof group
Close and intake-outlet is designed on rear side of frequency converter shell, there is provided cool down outside water circulation cooling system.
Relative to prior art, advantages of the present invention is as follows：
1）Under the same spatial volume of mining flame-proof high-voltage combined frequency changer, a set of rectifier power storehouse coordinates three sets of inversions
Device power storehouse and a set of water circulation cooling system, can realize on the basis of system radiating demand is met that one drags three rectifications inverse
Become ac-dc-ac inverter control function；In the technical scheme, single rectifier power storehouse, three sets of inverter power storehouses, water are followed
Ring cooling system can realization has respectively rectification in itself, inversion, heat sinking function, core module commercialization；In spatial volume
It is more reasonable, compact using upper design, can effectively realize Fast Installation maintenance, power stack module movement；
2）12 pulse wave diode rectifier bridge cascaded structure of rectifier power storehouse, AC external connection phase-shifting transformer are defeated
Go out the three-phase alternating voltage with 30 ° of phase differences, this structure not only brings up to 12 pulse waves rectification circuit umber of pulse by 6 pulse waves,
And significantly reduce 5 times, interference of 7 subharmonic currents to electrical network；Diode rectifier circuit is in natural commutation point commutation, system
Power factor it is of a relatively high, saved electric energy；As dc-link capacitance capacity is larger, bus ripple electric current is effectively reduced
Content, reduce further rectification side harmonic content.In addition, the structure has to the control that upper and lower DC bus-bar voltage is balanced
Good dynamic response, provides stable level for three-level inverter, improves the speed adjusting performance of frequency converter, while circuit knot
Structure is simple, has the advantages that low cost and high reliability；4）Inverter power storehouse adopts diode clamp formula three-level topology,
" multi-inverter power storehouse common DC bus " structure, inverter output voltage du/dt are substantially reduced, and equivalent switching frequency is compared
Double in two level（From the loss of power device average switch and output voltage aberration rate angle）, reduce power device and open
Stress is closed, while reducing the chronic damage to motor；5）Water circulation cooling system is implemented separately in various environment bars in satisfaction
Long-term stable operation during the various operating conditions of cooled device is adapted under part, and has carried out big quantity sensor, valve, tank body
Simplify Deng components and parts；The simple swelling gasbag of such as surge tank, pressurized tank realizes that steady pressure of system, small volume and effect are good,
In the case of No leakage, internal water system unites cooling medium without too lossy, removes water charging system of the prior art, further improves
Space availability ratio, makes overall structure compacter, and whole volume only has the volume of 1/4 to the 1/3 of prior art；Still protect simultaneously
Deionization system is stayed, to meet the optimizations such as the free electron that may be separated out in purification cooling medium；6）Whole scheme is in space body
Product is more reasonable, compact using upper design, can effectively realize Fast Installation maintenance, power stack module movement, significantly
Reduce cost.
Description of the drawings
Fig. 1 is high pressure combined frequency changer movement overall structure diagram of the present invention.
Fig. 2 is the rectifier power stack architecture schematic diagram of the present invention.
Fig. 3 is the inverter power stack architecture schematic diagram of the present invention.
Fig. 4 is the water circulation cooling system structure schematic diagram of the present invention.
In figure：1st, rectifier power storehouse, 2, inverter power storehouse, 3, water circulation cooling system, 101, power cell,
102nd, low voltage control unit, 103, water-wind heat-exchange system unit, 104, DC side lamination is noninductive bus, 105, core framework,
201st, power cell, 202, output filter unit, 203, DC bus-bar voltage filter unit, 204, low voltage control unit,
205th, core framework, 301, water-water heat exchanger, 302, major cycle water pump, 303, swelling gasbag, 304 deionization systems, 305,
Core framework.
Specific embodiment
In order to deepen the understanding of the present invention and understanding, with reference to the accompanying drawings and detailed description the present invention is made into one
Step description and introduction.
Embodiment 1：Referring to Fig. 1, a kind of mining flame-proof high-voltage combined frequency changer movement, the mining flame-proof high-voltage combination become
Frequency device movement includes 1, three sets of inverter power storehouses 2 of a set of rectifier power storehouse and a set of water circulation cooling system 3, institute
State three sets of inverter power storehouses 2 to be arranged on 3 between rectifier power storehouse 1 and water circulation cooling system, the technical scheme is adopted
With it is n- just, zero-zero, it is negative-to bear " multi-inverter power storehouse common DC bus " knot that busbar corresponding two-by-two is connected in series to form
Structure, it is more reasonable, compact that mining flame-proof high-voltage combined frequency changer movement is designed on same spatial volume.
Embodiment 2：Referring to Fig. 2, as a modification of the present invention, the rectifier power storehouse includes power cell
101st, low voltage control unit 102, water-wind heat-exchange system unit 103, DC side lamination is noninductive bus 104 and core framework
105, the power cell 102 is arranged on the front side of core framework 105, and the low voltage control unit 102 is arranged on core framework
105 right side；The water-wind heat-exchange system unit 103 is arranged on the downside of core framework 105, and the DC side lamination is noninductive
Bus is arranged at the top of core framework.Wherein power cell 101 adopts 12 pulse wave diode rectifier bridge cascaded structures；The power
One piece of cooled plate is installed inside unit 101, diode power module is arranged in cooled plate both sides, install and hand on power model
Stream laminated bus, the connection of 12 pulse wave diode rectifier bridge cascaded structure power cell AC of rectifier power storehouse is with 30 °
The three-phase alternating voltage of the phase-shifting transformer output of phase difference, DC side lamination is noninductive bus just, zero, negative three-phase is by busbar company
Connect DC bus-bar voltage filter unit in inverter power storehouse.This structure is not only improved rectification circuit umber of pulse by 6 pulse waves
To 12 pulse waves, and significantly reduce 5 times, interference of 7 subharmonic currents to electrical network；Diode rectifier circuit is in natural commutation point
Commutation, the power factor of system are of a relatively high, have saved electric energy；As dc-link capacitance capacity is larger, mother is effectively reduced
Line ripple current content, reduce further rectification side harmonic content.In addition, the structure is balanced to upper and lower DC bus-bar voltage
Control with good dynamic response, provide stable level for three-level inverter, improve the speed adjusting performance of frequency converter,
Circuit structure is simple simultaneously, has the advantages that low cost and high reliability.
Embodiment 3：Referring to Fig. 2, as a modification of the present invention, the power cell 101, low voltage control unit 102,
Water-wind heat-exchange system unit 103, DC side lamination is noninductive, and bus 104 is fixedly mounted on machine by connected modes such as bolt, guide rails
Core framework relevant position, takes into full account the insulating properties such as high-voltage electrical apparatus gap, creep age distance.
Embodiment 4：Referring to Fig. 3, as a modification of the present invention, the inverter power storehouse includes three sets of power lists
Unit 201, a set of output filter unit 202, a set of DC bus-bar voltage filter unit 203, a set of low voltage control unit 204,
The water inlet pipe and water outlet pipe of heat dissipation circulating system is provided outside 205, one group of one core framework, wherein：Three sets of power cells 201 are equal
Cloth is arranged on front side of core framework 205, and the output filter unit 202 is arranged on the downside of core framework 205, the direct current
Busbar voltage filter unit 203 is arranged on rear side of core framework 205, and the low voltage control unit 204 is arranged on core framework 205
Top, the outside water inlet pipe and water outlet pipe for providing heat dissipation circulating system are arranged on 205 lower front position of core framework, described three sets
Power cell 201 is using the cellular construction designed based on diode clamp formula three-level topology principle；In the power cell
One piece of cooled plate is installed in portion, and uniform four IGBT, two diode power modules in cooled plate both sides are installed on power model
Exchange laminated bus, bottom AC connection exchange turnover bus.In the technical scheme, power cell 205 adopts diode clamp
Formula three-level topology, inverter output voltage du/dt are substantially reduced, and equivalent switching frequency is doubled compared to two level（From
Power device average switch is lost and output voltage aberration rate angle）, reduce power device switch stress, at the same reduce it is right
The chronic damage of motor.
Embodiment 5：Referring to Fig. 3, as a modification of the present invention, three sets of power cells 201 exchange laminated bus
DC side directly with 203 dc bus of DC bus-bar voltage filter unit just, zero, negative terminal be connected, reduce it is secondary connection etc. reason
The unfavorable factors such as the electromagnetic interference for causing；The power cell exchange turnover bus outlet side connects through output filter unit
External loading provides safe and stable, controllable exchange output；It is three sets of power cells 201, output filter unit 202, straight
Stream busbar voltage filter unit 203, low voltage control unit 204, the outside water inlet pipe and water outlet pipe that heat dissipation circulating system is provided by bolt,
Guide rail connected mode is fixedly mounted on 205 relevant position of core framework, and low voltage control unit 204 is carried for inverter power storehouse 2
For independent reliable logic control function.Power cell outlet side is provided through the connection external loading of output filter unit 202
Safe and stable, controllable exchange output, output filter unit are arranged in strong cold air duct.Inverter power storehouse can be real
Now there is independent operating, the inverter of reliable and stable, fully functional straight-friendship translation function.Design on spatial volume is utilized
It is more reasonable, compact, can effectively realize Fast Installation maintenance, power stack module movement.
Embodiment 6：Referring to Fig. 4, as a modification of the present invention, the water circulation cooling system includes core framework
305 and be arranged on inside core framework water-water heat exchanger 301, major cycle water pump 302, swelling gasbag 303, deionization
System 304 and monitor control system, the water-water heat exchanger 301 are arranged on the side of core framework 305, the major cycle
Water pump is arranged on 305 bottom of core framework, after the swelling gasbag 303 and deionization system 304 are installed in core framework 305
Side, the water-water heat exchanger 301, major cycle water pump 302, swelling gasbag 303, deionization system 304 pass through system pipeline
Mode with bolts is fixedly mounted on the relevant position of core framework, and major cycle water pump 302 provides constant pressure and flow velocity
Cooling medium continually flow through water-water heat exchanger 301 and carry out heat exchange, cross respective line after cooling medium cooling and enter again
Enter rectifier power storehouse 1, inverter power storehouse 2, hot friendship is carried out with cooled device of power cell therein 101,201 etc.
Change, take away heat, the water after intensification is back to the import of high-pressure circulation pump 302；The water circulation cooling system is according to thermic load
Change, PLC control the cooling water flow into heat exchanger according to the height of supply water temperature, so as to reach system precise control temperature
The requirement of degree；Swelling gasbag 303 provides stable operating pressure for whole water circulation system；Connect in water-water heat exchanger 301 pairs
Main circulation pump is connect, cooling recirculation system outside external connection, in cooling medium, heat is arrived through the displacement of water-water heat exchanger 301
Outside cooling recirculation system is dispersed in air.Water circulation cooling system 3 is implemented separately in satisfaction fits under various environmental conditions
Should be cooled device various operating conditions when long-term stable operation, carried out the components and parts such as big quantity sensor, valve, tank body essence
Letter.For example surge tank, pressurized tank realize steady pressure of system with simple swelling gasbag 303, and in the case of No leakage, internal water system system is cold
But medium is substantially without too lossy；Remove water charging system, further improve space availability ratio, make overall structure compacter；Together
When retain deionization system, to meet the optimization such as free electron that may be separated out in purification cooling medium.
Embodiment 7：As shown in figure 1, in rectifier power storehouse 1 the noninductive bus of DC side lamination 104 just, zero, negative three-phase
DC bus-bar voltage filter unit 203 in adjacent inverter power storehouse 2, three sets of inverter power storehouses 2 are connected by busbar
DC bus-bar voltage filter unit 203 " multi-inverter power storehouse common DC bus " knot is connected in series using busbar mutually
Structure, mine flameproof and intrinsic safety type high pressure combined frequency changer movement can realize a complete ac-dc-ac inverter conversion work(
Energy.1, three sets of inverter power storehouses 2 of a set of rectifier power storehouse, a set of water circulation cooling system 3 are by connecting peace simultaneously
After dress, strong cold air duct complements each other to form a closed complete circulation air path, is changed by water-wind in rectifier power storehouse 1
Hot systems unit 103 is unit beyond mine flameproof and intrinsic safety type high pressure combined frequency changer movement power cell 101,201
Component provides circulation cooling, to ensure that system operation is more reliable and more stable.
It is visible from the above mentioned, it is a set of using with the input of phase shift three-phase alternating current, 12 pulse wave diode rectifier bridge cascaded structures
" rectifier power storehouse ", three sets of diode clamp formula three-level topology principle " multi-inverter power using mature and reliable
" the water circulation radiating system of " the inverter power storehouse " of storehouse common DC bus " structure, a set of water-water-heat exchange for heat dissipation mode
System " is assembled into and drags the mine flameproof and intrinsic safety type of three commutation inversion ac-dc-ac inverter control functions high with complete set one
Pressure combined frequency changer movement；5 times, interference of 7 subharmonic currents to electrical network is significantly reduced, electric energy is saved.No matter account in space
There is the aspect such as rate, Cost comparisons, stable and reliable for performance " mine flameproof and intrinsic safety type high pressure combined frequency changer movement " structure
Great performance advantage is occupied all；And rectifier power storehouse, inverter power storehouse, water circulation cooling system can divide
Rectification that realization does not have in itself, inversion, heat sinking function, core module commercialization.
Embodiment 8：As shown in figure 1, installing such as in Integral explosion-proof combined frequency changer housing, explosion-proof combined frequency changer housing
Upper described mine flameproof and intrinsic safety type high pressure combined frequency changer movement；Further, in a kind of ore deposit of the embodiment of the present invention
With flame proof high pressure combined frequency changer, Integral explosion-proof combined frequency changer housing is using straight barrel type structure, left and right sides enabling；Explosion-proof group
Close, fix, safeguard the above " mine explosion-suppression for installing
Intrinsic safety type high pressure combined frequency changer movement "；It is fast that explosion-proof combined frequency changer housing or so side door plate arranges main loop cabling
Fast connector, explosion insulation connecting line cavity, intrinsic safety man-machine interface, control button knob, running status show.
At least one of technical characteristic described in embodiment 2,3,4,5,6,7 can also be combined by the present invention with embodiment 1
Form new embodiment.
It should be noted that above-described embodiment, not for limiting protection scope of the present invention, in above-mentioned technical proposal
On the basis of done equivalents or replacement each fall within the scope protected by the claims in the present invention.
Claims (11)
1. mining flame-proof high-voltage combined frequency changer movement, it is characterised in that the mining flame-proof high-voltage combined frequency changer movement bag
Include a set of rectifier power storehouse, three sets of inverter power storehouses and a set of water circulation cooling system, three sets of inverters
Power storehouse is arranged between rectifier power storehouse and water circulation cooling system.
2. mining flame-proof high-voltage combined frequency changer movement according to claim 1, it is characterised in that the rectifier power
Storehouse includes power cell, low voltage control unit, water-wind heat-exchange system unit, DC side lamination is noninductive bus and movement frame
Frame, the power cell DC side are connected with the noninductive bus of DC side lamination, and the low voltage control unit provides logic for system
Control；The water-wind heat-exchange system unit sets up auxiliary radiation circulation system, the power cell, low voltage control list for system
Unit, water-wind heat-exchange system unit, DC side lamination is noninductive bus are arranged on core framework；Wherein power cell adopts 12 arteries and veins
Ripple diode rectifier bridge cascaded structure；The power cell internal installs one piece of cooled plate, arranges two poles in cooled plate both sides
Tube power module, installs exchange laminated bus, the series connection of 12 pulse wave diode rectifier bridge of rectifier power storehouse on power model
The three-phase alternating voltage that structure power cell AC phase-shifting transformer of the connection with 30 ° of phase differences is exported, DC side lamination
Noninductive bus just, zero, negative three-phase is by DC bus-bar voltage filter unit in busbar connection inverter power storehouse.
3. mining flame-proof high-voltage combined frequency changer movement according to claim 2, it is characterised in that the power cell,
Low voltage control unit, water-wind heat-exchange system unit, DC side lamination is noninductive, and bus is fixed by connected modes such as bolt, guide rails
Installed in core framework relevant position, the core framework adopts C, the water-wind heat-exchange system unit to follow with external water
Loop systems connect, and during with inverter storehouse composition with rectification, the frequency converter movement of inversion function, pass through through blower fan internal circulating load
Water-wind heat-exchange system unit is by the inside heat energy displacement that other electronic devices and components are distributed in addition to power component to water circulation system
Take out of outside housing, a more stable working environment is provided for whole system operation；The low voltage control unit is by master control borad, liter
Pressing plate, transformer, PLC and relay group are into being that rectifier power storehouse and whole frequency convertor system provide stable work
Power supply and the automatic logic control function of system.
4. mining flame-proof high-voltage combined frequency changer movement according to claim 1 and 2, it is characterised in that the inverter
Power storehouse includes three sets of power cells, a set of output filter unit, a set of DC bus-bar voltage filter unit, a set of low pressure
Control unit, core framework, the water inlet pipe and water outlet pipe that heat dissipation circulating system is provided outside a group, wherein：Three sets of power lists
First DC side is connected with DC bus-bar voltage filter unit, AC Jing output filters unit connection external loading equipment, institute
State low voltage control unit logic control, the outside water inlet pipe and water outlet pipe connection power list that heat dissipation circulating system is provided is provided for system
Unit and output filter unit, three sets of power cells, output filter unit, DC bus-bar voltage filter unit, low pressure
Control unit, the outside water inlet pipe and water outlet pipe for providing heat dissipation circulating system are arranged on core framework；Three sets of power cells are adopted
The cellular construction designed based on diode clamp formula three-level topology principle；The power cell internal installs one piece of water-cooled
Plate, uniform four IGBT, two diode power modules in cooled plate both sides install exchange laminated bus on power model,
Bottom AC connection exchange turnover bus.
5. mining flame-proof high-voltage combined frequency changer movement according to claim 4, it is characterised in that three sets of power lists
Unit exchange laminated bus DC side directly with DC bus-bar voltage filter unit dc bus just, zero, negative terminal be connected, reduction is secondary
The unfavorable factors such as the electromagnetic interference that the reasons such as connection are caused；The power cell exchange turnover bus outlet side is through output filtering
Device unit connection external loading provides safe and stable, controllable exchange output；Three sets of power cells, output filter list
Unit, DC bus-bar voltage filter unit, low voltage control unit, the outside water inlet pipe and water outlet pipe that heat dissipation circulating system is provided by bolt,
Guide rail connected mode is fixedly mounted on core framework relevant position；The cooled plate be waterproof sealing structure, external water circulation system
System coolant carries out heat exchange through cooled plate and IGBT, diode power devices and reaches power device radiating requirements, described straight
Stream busbar voltage filter unit is made up of low inductance direct current laminated bus, resistance and electric capacity, and electric capacity is divided into by multiple electric capacity parallel connections
Two groups are connected to direct current laminated bus positive zero, negative zero side；Two groups of resistance are connected to direct current laminated bus positive zero, negative zero
Side.
6. mining flame-proof high-voltage combined frequency changer movement according to claim 1 and 2, it is characterised in that the water circulation
Cooling system includes core framework and the water-water heat exchanger being arranged on inside core framework, major cycle water pump, expansion gas
Capsule, deionization system and monitor control system, the water-water heat exchanger are arranged on the side of core framework, the major cycle
Water pump is arranged on core framework bottom, and the swelling gasbag and deionization system are installed on rear side of core framework.
7. mining flame-proof high-voltage combined frequency changer movement according to claim 6, it is characterised in that the water-hydro-thermal is handed over
Parallel operation, major cycle water pump, swelling gasbag, deionization system are fixedly mounted on machine by system pipeline mode with bolts
The relevant position of core framework, the water-water heat exchanger internally connect main circulation pump, cooling recirculation system outside external connection,
In cooling medium, heat is dispersed in air to outside cooling recirculation system through water-water heat exchanger displacement.
8. mining flame-proof high-voltage combined frequency changer movement according to claim 1 and 2, it is characterised in that the high pressure group
Close frequency converter movement to be input into using phase shift three-phase alternating current, turn direct current through the exchange of 12 pulse wave diode rectification bridge power units；Institute
State frequency converter movement and adopt " multi-inverter power storehouse common DC bus " structure, relative direct current is connected in series using busbar mutually
Bus, through the diode clamp formula three-level topology principal power unit reality being connected with DC bus-bar voltage filter unit
Stream output is delivered in existing direct current input, and three sets of inverter power storehouse inverter power unit outputs are by the internal output filter for arranging
The connection load of ripple device.
9. mining flame-proof high-voltage combined frequency changer movement according to claim 8, it is characterised in that a set of rectifier
Power storehouse, three sets of inverter power storehouse dc bus using it is n- just, zero-zero, negative-negative busbar series connection corresponding two-by-two connects
Connect " the multi-inverter power storehouse common DC bus " structure to be formed.
10. a kind of mining flame-proof high-voltage combined frequency changer, it is characterised in that include：Integral explosion-proof combined frequency changer housing；Institute
State the mine flameproof and intrinsic safety type high pressure combination installed in explosion-proof combined frequency changer housing as described in claim 1 to 6 to become
Frequency device movement.
11. mining flame-proof high-voltage combined frequency changers according to claim 10, it is characterised in that the Integral explosion-proof group
Closing frequency converter shell adopts straight barrel type structure, the left and right sides to open the door；The explosion-proof combined frequency changer enclosure interior arranges movement and prolongs
Guide rail and supporting dolly is stretched, for installing fixed mine flameproof and intrinsic safety type high pressure combined frequency changer movement；It is described explosion-proof
Combined frequency changer housing or so side door plate arranges main loop cabling quick connector, explosion insulation connecting line cavity, intrinsic safety man-machine interface, control
Button knob, running status show；Intake-outlet is designed on rear side of the explosion-proof combined frequency changer housing, there is provided water circulation radiating system
The outside cooling of system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620636203.4U CN206041816U (en) | 2016-06-24 | 2016-06-24 | Mining flame proof high pressure combination converter core and converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620636203.4U CN206041816U (en) | 2016-06-24 | 2016-06-24 | Mining flame proof high pressure combination converter core and converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206041816U true CN206041816U (en) | 2017-03-22 |
Family
ID=58313321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620636203.4U Active CN206041816U (en) | 2016-06-24 | 2016-06-24 | Mining flame proof high pressure combination converter core and converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206041816U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106411143A (en) * | 2016-06-24 | 2017-02-15 | 徐州中矿大传动与自动化有限公司 | Mine explosionproof high-voltage combined frequency converter core and frequency converter |
| CN109474188A (en) * | 2018-12-29 | 2019-03-15 | 徐州中矿大传动与自动化有限公司 | Three level high-voltage high-power water-cooling frequency convertor system |
-
2016
- 2016-06-24 CN CN201620636203.4U patent/CN206041816U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106411143A (en) * | 2016-06-24 | 2017-02-15 | 徐州中矿大传动与自动化有限公司 | Mine explosionproof high-voltage combined frequency converter core and frequency converter |
| CN109474188A (en) * | 2018-12-29 | 2019-03-15 | 徐州中矿大传动与自动化有限公司 | Three level high-voltage high-power water-cooling frequency convertor system |
| CN109474188B (en) * | 2018-12-29 | 2024-03-15 | 江苏国传电气有限公司 | Three-level high-voltage high-power water-cooling frequency converter system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102136730B (en) | Movable-type static synchronous compensator with compact structure design | |
| CN202856629U (en) | Locomotive converter | |
| CN102638155B (en) | Centralized auxiliary converter | |
| CN100533166C (en) | Current converter test circuit | |
| CN104201866B (en) | Insulated gate bipolar transistor three-level power cabinet | |
| US20130314956A1 (en) | Basic function unit of voltage-source converter based on full-controlled devices | |
| CN104466987B (en) | Novel intelligent dynamic hybrid reactive power compensation device | |
| CN202085082U (en) | Traction converter | |
| CN103458656A (en) | Auxiliary power box | |
| CN103427601A (en) | Middle-high voltage frequency converter circulating cooling device for mining | |
| CN204615186U (en) | A kind of energy-storage system rack | |
| CN206041816U (en) | Mining flame proof high pressure combination converter core and converter | |
| CN107911009A (en) | Three level high-voltage high-power water-cooling frequency convertor system | |
| CN106411143A (en) | Mine explosionproof high-voltage combined frequency converter core and frequency converter | |
| CN208955893U (en) | A kind of current transformer of more power supply systems | |
| CN207994900U (en) | Three level high-voltage high-power water-cooling frequency convertor system | |
| CN110112933A (en) | Subordinate inverter circuit, auxiliary inversion device | |
| CN109412393A (en) | Water-cooling type 6KV mining high-voltage explosion-proof frequency converter | |
| CN205863871U (en) | A kind of 500kV transformer station intensive style direct current ice melting system having SVG function concurrently | |
| CN105162310B (en) | A kind of constructional device for tandem type cophase supply current transformer | |
| CN112706631B (en) | High power density water-cooling bidirectional charger device | |
| CN203416157U (en) | Mining middle and high voltage frequency converter circulation cooling device | |
| CN110460065A (en) | Flameproof and intrinsically safe static reactive generator device and the implementation method of reactive compensation | |
| CN104638941A (en) | Large-capacity anti-explosion frequency converter applicable to multiple output voltage levels | |
| CN210577817U (en) | Flame-proof and intrinsic safety type static var generator device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 221116 Kunlun road 9006-1, Copper Mt. Economic Development Zone, Xuzhou, Jiangsu Patentee after: Jiangsu Guochuan Electric Co.,Ltd. Address before: 221116 Kunlun road 9006-1, Copper Mt. Economic Development Zone, Xuzhou, Jiangsu Patentee before: CHINA MINING DRIVES & AUTOMATION Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |