CN201499009U - Flameproof inverter charger - Google Patents
Flameproof inverter charger Download PDFInfo
- Publication number
- CN201499009U CN201499009U CN2009203097380U CN200920309738U CN201499009U CN 201499009 U CN201499009 U CN 201499009U CN 2009203097380 U CN2009203097380 U CN 2009203097380U CN 200920309738 U CN200920309738 U CN 200920309738U CN 201499009 U CN201499009 U CN 201499009U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model relates to a flameproof inverter charger, which is characterized in that a flameproof casing body is provided with a flameproof main cavity and a flameproof wiring cavity; the flameproof main cavity is positioned in the middle portion of the flameproof casing body; the flameproof wiring cavity is positioned on the lower portion at the back of the flameproof casing body; a power module radiator is installed outside the flameproof main cavity and on the upper portion at the back of the flameproof casing body; a cavity inside-heat radiator is installed outside the flameproof main cavity and at the top portion of the flameproof casing body; an electromagnetic isolating iron box is arranged outside the flameproof wiring cavity; a display operating table top provided with a cover plate for shielding and insulating heat is arranged in front of the flameproof casing body; and the cover plate is mounted on the wall of the flameproof main cavity. The flameproof inverter charger has the advantages of effectively solving the problems that a large-power inverter charger needs heat dissipation under an airtight condition, and instability is caused by electromagnetic interference as the charger adopts double-cavity design of the flameproof main cavity and the flameproof wiring cavity and employs heat pipes for dissipating heat and the cover plate for shielding and insulating heat. Moreover, by further arranging a safety circuit inside a main control unit, the flameproof inverter charger is capable of intelligently and rapidly charging a storage battery under the specific environment of an underground coal mine, and has fine application effect.
Description
Technical field
The utility model relates to battery charging equipment, particularly a kind of explosion-proof inverse charger.
Background technology
Present widely used high-power lead acid battery charge machine, the technology that generally adopts the transformer transformation to combine with controllable silicon (thyristor) rectification, usually, this charger equipment heaviness, volume is big, and charge efficiency is low, the charging voltage narrow dynamic range, poor to the power-supply fluctuation adaptive capacity, big to the operation of power networks quality influence, need the manual intervention charging process, use operation inconvenience, can't realize accurate control, have a strong impact on the life-span that recycles of storage battery charging process.
Take the charger of switch power supply type inversion transformation technique design, can solve the shortcoming that controllable silicon (thyristor) rectification charging technology exists, the volume and weight of charger all reduces greatly, charge efficiency improves, input, output voltage range is wide, the automaticity height can improve battery and recycle the life-span etc. in strict accordance with the control of precisely charging of storage battery ideal charging process curve.But, the switch power supply type charger can't adapt to the particular surroundings under the coal mine, high-power explosion-proof inverse charger when carrying out quick charge for the high-power electric motorcycle of runing under the coal mine, the instability problem that ubiquity heat dissipation problem and electromagnetic interference cause.These problems affect the use of high-power explosion-proof inverse charger, bring very large inconvenience for manufacturing enterprise and user.
The utility model content
The purpose of this utility model is to overcome above-mentioned defective, and providing a kind of can carry out the good explosion-proof inverse charger of intelligent quick charge, heat dispersion and anti-electromagnetic interference performance to storage battery under the specific environment under the coal mine.
The explosion-proof inverse charger that the utility model provides comprises housing, main transformer is installed in the described housing gains road, main control unit and display operation unit, and described housing is the flame proof housing, and described flame proof housing is provided with two chambeies:
Explosion insulation main cavity is used to install described main transformer and gains the road; With
Explosion insulation connecting line cavity is used to install input, output connection and described main control unit;
Described explosion insulation main cavity is positioned at described flame proof housing middle part, described explosion insulation connecting line cavity is positioned at described flame proof housing back bottom, described flame proof housing back top is equipped with the power model radiator outside described explosion insulation main cavity, described flame proof case top is equipped with heat radiator in the chamber outside described explosion insulation main cavity, described explosion insulation connecting line cavity is provided with the electromagnetic isolation can outward; Described flame proof housing front is provided with the display operation table top and is used to install described display operation unit, and described display operation table top is provided with and is used to shield and heat insulation cover plate, and described cover plate is installed on the wall of described explosion insulation main cavity.
The utility model explosion-proof inverse charger, wherein said power model radiator are that model is the heat-pipe radiator of RZM-DGDF-509A, its given power: 1200W, maximum temperature rise＜38 ℃.
The utility model explosion-proof inverse charger, wherein said main transformer gains the road and comprises input switching circuit, combined floodgate circuit, rectified three-phase circuit, input filter circuit, IGBT full-bridge circuit, main transformer, rectifier filter circuit, output filter circuit and output switch circuit, and wherein said input switching circuit, rectified three-phase circuit, input filter circuit, IGBT full-bridge circuit, main transformer, rectifier filter circuit, output filter circuit are connected successively with described output switch circuit; Described combined floodgate circuit and described input switching circuit are connected in parallel.
The utility model explosion-proof inverse charger, wherein said main control unit comprises output current transducer, output voltage sensor, measuring point temperature sensor, main control module and IGBT driver module, the acquired signal of wherein said output current transducer, output voltage sensor and measuring point temperature sensor is connected to described main control module, and the control signal of described main control module is connected to described IGBT full-bridge circuit by described IGBT driver module.
The utility model explosion-proof inverse charger, wherein said main control unit is provided with safety circuit, described safety circuit comprises input filter capacitor electric charge bleed off circuit and output filter capacitor electric charge bleed off circuit, described input filter capacitor electric charge bleed off circuit links to each other with described input filter circuit, and described output filter capacitor electric charge bleed off circuit is connected between the output and described main control module of described output filter circuit.
The advantage and the good effect of the utility model explosion-proof inverse charger are: owing to adopted two chamber designs of explosion insulation main cavity, explosion insulation connecting line cavity and heat pipe heat radiation, cover plate shielding heat insulation, effectively solve high power contravariant formula charger heat dissipation problem and the instability problem that causes of electromagnetic interference in confined conditions, further in main control unit, be provided with safety circuit, can carry out intelligent quick charge to storage battery under the specific environment under the coal mine, effect is good.
Be elaborated with reference to accompanying drawing below in conjunction with embodiment.
Description of drawings
Fig. 1 is the front view of the utility model explosion-proof inverse charger;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the rearview of Fig. 1;
Fig. 4 is the block diagram of the utility model explosion-proof inverse charger;
Fig. 5 is the circuit diagram that main transformer gains the road.
Embodiment
Among the figure, 1. input switching circuit, 2. combined floodgate circuit, 3. input rectifying module, 4. input filter capacitor electric charge bleed off circuit, 5. input filter circuit, 6.IGBT full-bridge circuit, 7. main transformer, 8. rectifier filter circuit, 9. output filter circuit, 10. output filter capacitor electric charge bleed off circuit, 11. main control modules, 12. output switch circuit, 13. the output current transducer, 14. output voltage sensors, 15. measuring point temperature sensors, 16.IGBT driver module, 17.LCM display module, 18. keyboards, 19. display operation unit.
Referring to figs. 1 through Fig. 3, the explosion-proof inverse charger that the utility model provides comprises the flame proof housing 4 of integral heat dissipation, and adopting the flame proof case design of heat pipe heat radiation technology and integral heat dissipation is key problem in technology of the present utility model.Flame proof housing 4 is provided with two chambeies: explosion insulation connecting line cavity 1 and explosion insulation main cavity 2.Explosion insulation connecting line cavity 1 is positioned at flame proof housing 4 back bottoms, and explosion insulation connecting line cavity 1 outer wall is provided with custom-designed electromagnetic isolation can, and the electromagnetic isolation can is installed in the bottom of flame proof housing 4.Input, output connection and main control unit are installed, to realize the electromagnetic isolation of main control unit and other circuit in the explosion insulation connecting line cavity 1.Explosion insulation main cavity 2 is positioned at flame proof housing 4 back lower places, main transformer is installed in the explosion insulation main cavity 2 gains road and main control unit, upper left quarter is a main transformer, and upper right quarter is the control contactor of output inductor and filter capacitor component, IGBT driver module and output switch circuit.
The flame proof housing 4 back tops of the utility model explosion-proof inverse charger are equipped with power model radiator 5 outside explosion insulation main cavity 2.Power model is loaded on the radiator base plate, and the heat pipe of power model radiator 5 is taken heat out of and is shed by exterior piece.Heat pipe is to rely on self internal work liquid phase-change to realize the heat transfer element that conducts heat.Heat pipe is made up of shell, wick and end cap.Inside heat pipe is pumped into negative pressure state, charges into suitable liquid, and this boiling point of liquid is low, easily volatilization.Tube wall has wick, and it is made of the capillary porous material.Heat pipe is an evaporation ends for one section, other one section is condensation end, when one section of heat pipe is heated, liquid in the capillary evaporates rapidly, and steam flows to an other end under small pressure differential, and discharges heat, regelation becomes liquid, liquid flows back to evaporation section along porous material by the effect of capillary force again, and so circulation is more than, and heat reaches an other end by heat pipe one end.This circulation is carried out fast, and heat promptly can be come by conduction continuously.It is the heat-pipe radiator of RZM-DGDF-509A that power model radiator 5 adopts models, its given power: 1200W, maximum temperature rise＜38 ℃.Heat-pipe radiator is used for the high-power charger of flame-proof type has solved the heat dissipation problem of equipment under closed environment well.
Flame proof housing 4 tops are equipped with heat radiator 19 in the chamber outside explosion insulation main cavity 2, the heat that elements such as inside cavity transformer, inductance produce can be shed.Flame proof housing 4 fronts are provided with display operation table top 3, the display operation unit is installed on the display operation table top 3: central authorities are displays, the right and left be two from the reset operation switch, the control operation of equipment and the setting of technological parameter are finished by these two control switchs.LCD display module, control module and control switch are equipped with in operating desk inside.Display operation table top 3 is provided with and is used to shield and heat insulation cover plate, and cover plate is installed on the wall of explosion insulation main cavity 2, uses the cover plate shutoff, realizes shielding and heat insulation.
Describe the circuit and the course of work thereof of the utility model explosion-proof inverse charger in detail below in conjunction with accompanying drawing.
In the embodiment of the utility model explosion-proof inverse charger, main transformer gains the road and adopts IGBT full-bridge transformation topology structure.In conjunction with the accompanying drawings 4 and Fig. 5, main transformer gains the road 660V AC power is transformed to the controllable direct current power supply that can charge to storage battery, comprises input switching circuit 1, combined floodgate circuit 2, rectified three-phase circuit 3, input filter circuit 5, IGBT full-bridge circuit 6, main transformer 7, rectifier filter circuit 8, output filter circuit 9 and output switch circuit 12.Input switching circuit 1, rectified three-phase circuit 3, input filter circuit 5, IGBT full-bridge circuit 6, main transformer 7, rectifier filter circuit 8, output filter circuit 9 are connected successively with output switch circuit 12, and combined floodgate circuit 2 is connected in parallel with input switching circuit 1.When non-operating state, input switching circuit 1 can cut off the main channel power supply.Input switching circuit 1 design has the startup of combined floodgate loop, avoids starting impacting loop element is caused damage.
IGBT full-bridge circuit 6 is cores of main channel, finish from direct current to the conversion that exchanges again direct current, by changing the width of brachium pontis IGBT control signal, change the waveform width that is coupled to high frequency transformer, export to electric current, the magnitude of voltage that is filled storage battery thereby change.Rectifier filter circuit 8 is the smooth direct current that charge in batteries requires with the high-frequency ac electric rectification of high frequency transformer secondary.Output switch circuit 12 is filled storage battery with main channel and quilt under non-charged state isolates, and prevents that the danger that reversal connection causes from taking place.
Main control unit is the control core and the maincenter of whole system, control unit receives from dialog unit given parameter and order, and by the real-time detection to each relevant parameter of main channel, the work of dynamic-control system passage realizes the charge function and the charging process that require.In conjunction with the accompanying drawings 4, main control unit comprises output current transducer 13, output voltage sensor 14, measuring point temperature sensor 15, main control module 11 and IGBT driver module 16.The acquired signal of output current transducer 13, output voltage sensor 14 and measuring point temperature sensor 15 is connected to main control module 11, and the control signal of main control module 11 is connected to IGBT full-bridge circuit 6 by IGBT driver module 16.Control unit adopts up-to-date embedded core chip ARM design.The collection analog quantity is: 4 tunnel temperature, output current, output voltage and input voltage.Controlled quentity controlled variable is: input switch, soft start, output switch, capacitor discharge and PWM conversion control etc.Simultaneously, between control unit and the dialog unit be the RS232 full-duplex communication.Control unit receives the various control commands from dialog unit, and sends data in real time to dialog unit.
Main control unit also is provided with safety circuit, for equipment provides kinds of protect.Safety circuit comprises input filter capacitor electric charge bleed off circuit 4 and output filter capacitor electric charge bleed off circuit 10, input filter capacitor electric charge bleed off circuit 4 links to each other with input filter circuit 5, output filter capacitor electric charge bleed off circuit 10 is connected between the output and main control module 11 of output filter circuit 9.Safety circuit has solved and has cut off input, output loop when stopping filling, when powering on input filter capacitor is carried out precharge (soft start), avoid powering on impact to rectifier bridge and input circuit, automatic bleed off input, output loop filter capacitor electric charge when cutting off input, output loop.
The display operation unit is the complete machine operating platform, receives and realize operator's various work orders, and parameter setting, memory and the various dynamic and static parameter of finishing various working methods show that by LCM display module 17, keyboard 18 and display operation unit 19 are formed.Display operation unit 19 adopts 32 ARM7TDMI-S CPU as core, finishes that demonstration, button are read, parameter setting storage and maintenance and 11 real-time communications of master control module.
In conjunction with the accompanying drawings 1, main transformer gains the road course of work and is described below: before the charging, outer net 660V three phase mains, earlier under the current limliting of combined floodgate circuit 2 at resistance, carry out precharge at a slow speed through 3 pairs of input filter circuits of rectified three-phase circuit 5, electric capacity is full of back input switching circuit 1 closure substantially, and import dc main and obtain about 891V direct voltage this moment, and charging is ready to complete.After this, master control module 11 begins to carry out self check, comprise translation circuit can operate as normal, the whether reversal connection of output storage battery, whether overtemperature and other detections unusual.If when having fault, stop charging process and warning.Self check just often, master control module 11 control output switches 12 closures, connect load circuit, then open IGBT driver module 16, simultaneously by output current transducer 13, output voltage sensor 14 real-time monitoring load voltage and currents, carry out the PID computing, produce the PWM data, by 6 work of IGBT driver module 16 control IGBT full-bridge circuits.The high-frequency ac voltage that IGBT full-bridge circuit 6 produces, after main transformer 7 coupling transformations, high-frequency ac voltage after obtaining isolating, this voltage obtain stable electric current and voltage for the load battery charge through rectifier filter circuit 8 rectifications and after output filter circuit 9 filtering.
The utility model explosion-proof inverse charger has two kinds of working methods, easy way and aptitude manners.
Easy way is the working method that a kind of constant current pressure limiting of routine is regularly charged, and under this mode work, to load storage battery constant current charge, when charging voltage reached deboost, voltage no longer rose charger with the electric current set, and charging current reduces gradually.When the charging interval reaches setting-up time, the automatic complete charge process of charger.The charging of this kind pattern, electric current should not surpass 60A.
Aptitude manner is the working method that a kind of storage battery at the different size model is taked the full-automatic charging of different setting parameters.And each storage battery is had two kinds of charge modes, promptly first mold filling formula and quick mode.Just the mold filling formula is the two stage automatic charging modes of deciding electric current, fixing time, and is mainly new accumulator and just fills design.Quick mode comprises three sequential stages, i.e. constant current, voltage stabilizing and little electric current are kept three phases.The constant current section is feature with the large current charge, when the constant current charge time reaches limit value or charging voltage and rises to limit value, changes pressure-stabilizing section automatically over to.The constant current section can make storage battery recover about 70% capacity.Voltage when pressure-stabilizing section then keeps constant current charge to finish is constant, and electric current reduces gradually, changes little electric current automatically over to keep charging process when the voltage stabilizing charging reaches setting-up time, and the section of the keeping duration arrives, and process is filled in end soon automatically, and this is the process of filling substantially soon.When charging interval during long enough, basic process periodically instantaneous stopping is filled, and the charging process after the stack is " fill and stop filling ".When the voltage stabilizing process finished, battery capacity can be recovered more than 95%.When the charging process changes over to when keeping charging process, stack stops filling pulse and stops.
The utility model provides a kind of high-power explosion-proof inverse charger that adapts to the down-hole specific environment, output voltage reaches that 300V, output current reach 100A, power output reaches 30KW, can provide intelligent quick charge for high-power electric motorcycle or other equal storage battery of down-hole operation.
Embodiment recited above is described preferred implementation of the present utility model; be not that design of the present utility model and scope are limited; do not breaking away under the utility model design prerequisite; common engineers and technicians make the technical solution of the utility model in this area various modification and improvement; all should fall into protection range of the present utility model; the technology contents that the utility model is asked for protection all is documented in claims.
Claims (5)
1. an explosion-proof inverse charger comprises housing (24), main transformer is installed in the described housing (24) gains road, main control unit and display operation unit, and it is characterized in that: described housing (24) is the flame proof housing, and described flame proof housing is provided with two chambeies:
Explosion insulation main cavity (22) is used to install described main transformer and gains the road; And explosion insulation connecting line cavity (21), be used to install input, output connection and described main control unit;
Described explosion insulation main cavity (22) is positioned at described flame proof housing (24) middle part, described explosion insulation connecting line cavity (21) is positioned at described flame proof housing (24) back bottom, described flame proof housing (24) back top is equipped with power model radiator (25) outside described explosion insulation main cavity (22), described flame proof housing (24) top is equipped with heat radiator (29) in the chamber outside described explosion insulation main cavity (22), the outer electromagnetic isolation can that is provided with of described explosion insulation connecting line cavity (21); Described flame proof housing (24) front is provided with display operation table top (23) and is used to install described display operation unit (19), and described display operation table top (23) is provided with and is used to shield and heat insulation cover plate, and described cover plate is installed on the wall of described explosion insulation main cavity (22).
2. explosion-proof inverse charger according to claim 1 is characterized in that: wherein said power model radiator (2) is the heat-pipe radiator of RZM-DGDF-509A for model, its given power: 1200W, maximum temperature rise＜38 ℃.
3. explosion-proof inverse charger according to claim 1 and 2, it is characterized in that: wherein said main transformer gains the road and comprises input switching circuit (1), combined floodgate circuit (2), rectified three-phase circuit (3), input filter circuit (5), IGBT full-bridge circuit (6), main transformer (7), rectifier filter circuit (8), output filter circuit (9) and output switch circuit (12), wherein said input switching circuit (1), rectified three-phase circuit (3), input filter circuit (5), IGBT full-bridge circuit (6), main transformer (7), rectifier filter circuit (8), output filter circuit (9) is connected successively with described output switch circuit (12); Described combined floodgate circuit (2) is connected in parallel with described input switching circuit (1).
4. explosion-proof inverse charger according to claim 3, it is characterized in that: wherein said main control unit comprises output current transducer (13), output voltage sensor (14), measuring point temperature sensor (15), main control module (11) and IGBT driver module (16), wherein said output current transducer (13), the acquired signal of output voltage sensor (14) and measuring point temperature sensor (15) is connected to described main control module (11), and the control signal of described main control module (11) is connected to described IGBT full-bridge circuit (6) by described IGBT driver module (16).
5. explosion-proof inverse charger according to claim 4, it is characterized in that: wherein said main control unit is provided with safety circuit, described safety circuit comprises input filter capacitor electric charge bleed off circuit (4) and output filter capacitor electric charge bleed off circuit (10), described input filter capacitor electric charge bleed off circuit (4) links to each other with described input filter circuit (5), and described output filter capacitor electric charge bleed off circuit (10) is connected between the output and described main control module (11) of described output filter circuit (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203097380U CN201499009U (en) | 2009-09-07 | 2009-09-07 | Flameproof inverter charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203097380U CN201499009U (en) | 2009-09-07 | 2009-09-07 | Flameproof inverter charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201499009U true CN201499009U (en) | 2010-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203097380U Expired - Fee Related CN201499009U (en) | 2009-09-07 | 2009-09-07 | Flameproof inverter charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201499009U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103269112A (en) * | 2013-03-26 | 2013-08-28 | 苏州圆芯光机电科技有限公司 | Core of inverter-type anti-explosion charger |
| CN103717025A (en) * | 2013-12-13 | 2014-04-09 | 常州联力自动化科技有限公司 | Flameproof controller |
| CN107124091A (en) * | 2016-12-15 | 2017-09-01 | 刘会明 | The airtight and mining illumination/signal of flame-proof type liquid-cooled（Hand over）DC intelligent power supply |
-
2009
- 2009-09-07 CN CN2009203097380U patent/CN201499009U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103269112A (en) * | 2013-03-26 | 2013-08-28 | 苏州圆芯光机电科技有限公司 | Core of inverter-type anti-explosion charger |
| CN103717025A (en) * | 2013-12-13 | 2014-04-09 | 常州联力自动化科技有限公司 | Flameproof controller |
| CN107124091A (en) * | 2016-12-15 | 2017-09-01 | 刘会明 | The airtight and mining illumination/signal of flame-proof type liquid-cooled（Hand over）DC intelligent power supply |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 Termination date: 20170907 |