CN205901353U - High -power charging circuit and device - Google Patents
High -power charging circuit and device Download PDFInfo
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- CN205901353U CN205901353U CN201620680557.9U CN201620680557U CN205901353U CN 205901353 U CN205901353 U CN 205901353U CN 201620680557 U CN201620680557 U CN 201620680557U CN 205901353 U CN205901353 U CN 205901353U
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- pressure regulation
- charging circuit
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Abstract
The utility model relates to a high -power charging circuit and device, its circuit include control circuit, inlet wire buffer circuit, pressure regulating charging circuit and output buffer circuit, control circuit respectively with inlet wire buffer circuit, pressure regulating charging circuit and output buffer circuit connect, inlet wire buffer circuit, pressure regulating charging circuit and output buffer circuit establish ties in order. The utility model discloses a high -power charging circuit and device has constant current, constant voltage, the multiple charge mode of permanent power, can carry out automatically regulated according to rechargeable devices's actual state to for rechargeable devices provides the excessive pressure, overflows, crosses gentle undervoltage protection, thereby realize rechargeable devices's quick safety and charge.
Description
Technical field
The utility model is related to charging technique field, more particularly, to a kind of high-power charging circuit and device.
Background technology
The traditional power supply mode of domestic tramcar is powered using contact net, and contact net is responsible for handle and obtains from traction substation
The electric energy obtaining is delivered directly to the vital task of tramcar use, and the therefore quality of contact net and working condition will directly affect
The operation of tramcar.In addition, the brakes of traditional tramcar consumes braking energy with form of thermal energy.
New modern tram, due to employing energy storage type innovative design, had not both had pollution from exhaust emission, without frame
Sky is subject to operation of power networks, and the maximum feature of this electric car is to employ super capacitor as traction power supply source, need not set up aerial electricity
Cable " cobweb ", can be laid immediately on existing road, and other public transport mixes row, does not waste land resource.With
When can be in each station setting ground charging device, when train enters the station, the time using passenger getting on/off is rapidly completed charging, also
The energy producing during skidding can be absorbed, be converted into power storage and reuse, organic efficiency reaches more than 85%.The new modern times have
Rail electric car has the characteristics that safe and efficient, energy-conserving and environment-protective, scientific and technological fashion, small investment, instant effect.Accordingly, it would be desirable to one kind is safely, soon
Fast, economic, powerful ground charging device.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned the deficiencies in the prior art, provides a kind of high-power fill
Circuit and device, are powered using existing direct current urban rail Traction networks, by DC chopped-wave loop for charging equipment carry out constant current,
Constant voltage, invariable power charge.
The technical scheme that the utility model solves above-mentioned technical problem is as follows: a kind of high-power charging circuit, including control
Circuit, inlet wire isolation circuit, pressure regulation charging circuit and output isolation circuit, described control circuit isolates electricity with described inlet wire respectively
Road, pressure regulation charging circuit and output isolation circuit connect, described inlet wire isolation circuit, pressure regulation charging circuit and output isolation circuit
In sequential series.
Described control circuit is used for monitoring the operation of described inlet wire isolation circuit, pressure regulation charging circuit and output isolation circuit
State is simultaneously uploaded to backstage electric power monitoring system；Described inlet wire isolation circuit is used for receiving the DC voltage of external electrical network input,
And output voltage is to described pressure regulation charging circuit, form electrical isolation between described pressure regulation charging circuit and external electrical network；Institute
State pressure regulation charging circuit for the DC voltage of input being carried out voltage conversion and exporting to described output isolation circuit；Described defeated
Go out isolation circuit to touch net to charging for exporting the charging voltage of described pressure regulation charging circuit output, fill for charging equipment
Electricity uses.
The beneficial effects of the utility model are: a kind of high power charging device of the present utility model, have constant current, constant voltage,
The multiple charge mode of invariable power, can automatically adjust according to the virtual condition of charging equipment, and carry for charging equipment
For overvoltage, excessively stream, excessively gentle under-voltage protection, thus realizing the fast and safely charging of charging equipment.
On the basis of technique scheme, the utility model can also do and improve as follows:
Further: described control circuit includes logic control and protection circuit, and described logic control and protection circuit are respectively
It is connected with described inlet wire isolation circuit, pressure regulation charging circuit and output isolation circuit, and fill in described inlet wire isolation circuit, pressure regulation
Circuit and output isolation circuit automatically cut off described inlet wire isolation circuit, pressure regulation charging circuit and output isolation when occurring abnormal
Abnormal signal is sent to background server by the circuit between circuit simultaneously.
The beneficial effect of above-mentioned further scheme is: can be realized in charging process by described control circuit one side
Described inlet wire isolation circuit, pressure regulation charging circuit and output isolation circuit are controlled, on the other hand can be with real-time detection institute
State the real-time status of inlet wire isolation circuit, pressure regulation charging circuit and output isolation circuit, and automatically cut off electricity when occurring abnormal
Abnormal signal, it is ensured that charging safety, is sent to background server by road simultaneously, convenient discharge fault in time.
Further: described inlet wire isolation circuit includes the first lightning-preventing protector, the second lightning-preventing protector, first voltage
Sensor, second voltage sensor, the first current sensor, the first electric isolating switch, first cross flow fuse, be pre-charged back
Road, the first D.C. contactor, the 5th filter reactor, at least one first resistor, described first lightning-preventing protector is connected on
Between external electrical network positive pole and ground, described second lightning-preventing protector is connected between external electrical network negative pole and ground, and described first
Voltage sensor is connected between the both positive and negative polarity of external electrical network, and also in sequential series between external electrical network positive pole and negative pole have described
One electric isolating switch, first cross flow fuse, drip a D.C. contactor, the 5th filter reactor, the first current sensor and
Second voltage sensor, described first resistor is connected in parallel on described second voltage sensor two ends, and described preliminary filling The electric loop is connected in parallel on
The two ends of described first D.C. contactor.
The beneficial effect of above-mentioned further scheme is: can realize described pressure regulation charging electricity by described inlet wire isolation circuit
Electrical equipment isolation between road and external electrical network.Before described filter reactor is installed on copped wave element, for reducing straight-flow system
The harmonic component of middle voltage and current, effectively suppression fault current rises, the peak value of limiting short-circuit current, filtering noxious high order
Feedback of harmonic electrical network.
Further: described preliminary filling The electric loop included second and crosses flow fuse, the second D.C. contactor and 3rd resistor, institute
State the second flow fuse, the second D.C. contactor and 3rd resistor excessively in sequential series, and be connected in parallel on described first after three's series connection
The two ends of D.C. contactor.
Further: to include in described pressure regulation charging circuit and described first resistor quantity identical pressure regulation charhing unit, often
Individual described pressure regulation charhing unit include the first filter reactor, the second filter reactor, the 3rd cross flow fuse, the 4th excessively stream melt
Disconnected device and dc dc circuit.
Described dc dc circuit be connected in parallel on the two ends of described first resistor correspondingly, described dc two of dc circuit defeated
Go out end between in sequential series have described first filter reactor, the 3rd cross flow fuse, the 4th cross flow fuse and second filtering
Reactor, and described 3rd cross flow fuse with the 4th cross flow fuse common port as an output end with described export every
An input from circuit connects.
The beneficial effect of above-mentioned further scheme is: by described dc dc circuit, constituted greatly with small current modular product
Current DC exports, and realizes the multiple redundancy of hardware and software, for the charge control of the vehicle-mounted accumulation power supply of tramcar.
Further: described dc dc circuit include igbt module and the first electric capacity, described first electric capacity is connected in parallel on corresponding institute
State first resistor two ends, described igbt wired in parallel is at described first electric capacity two ends.
The beneficial effect of above-mentioned further scheme is: described dc dc circuit using determine frequency pulse-width controlled mode, control duty
Ratio size, linear regulation output voltage, realize self-protection function, fault quickly sends block pwm and controls output to refer to after occurring
Order, overvoltage, excessively stream, excessively gently under-voltage when be all provided that effective protection.
Further: described igbt module includes an igbt, the 2nd igbt, the 3rd igbt and the 4th igbt, described first
The emitter stage of igbt is connected with the colelctor electrode of the 3rd igbt, and the colelctor electrode of the emitter stage of described 2nd igbt and the 4th igbt is even
Connect, and the colelctor electrode of an igbt is equal with the emitter stage of the 4th igbt with the emitter stage of the 3rd igbt and the colelctor electrode of the 2nd igbt
It is connected in parallel on described first electric capacity two ends, and the common port of a described igbt and the 3rd igbt and described first filter reactor
One end connects, and described 2nd igbt is connected with one end of described second filter reactor with the common port of the 4th igbt.
Further: described output isolation cabinet includes and described first resistor quantity identical diode and described first electricity
Resistance quantity identical second current sensor, the 4th current sensor, tertiary voltage sensor, the 3rd electric capacity, overvoltage protection electricity
Road, discharge loop, the 3rd lightning-preventing protector, the 4th lightning-preventing protector and the second electric isolating switch.
Described 3rd lightning-preventing protector is connected between external electrical network positive pole and ground, described 4th lightning-preventing protector string
It is associated between external electrical network negative pole and ground, and between the both positive and negative polarity of external electrical network, has also been sequentially connected in series described second and electronic keep apart
Close and overvoltage crowbar, described tertiary voltage sensor and discharge loop are all connected in parallel on described overvoltage crowbar two ends, institute
State the 4th current sensor and described 3rd capacitances in series, and be connected in parallel on described overvoltage crowbar two ends, institute after the two series connection
State the second current sensor and described Diode series in the output end of corresponding described pressure regulation charging circuit and described 4th electricity
Between the common port of flow sensor and described 3rd electric capacity.
The beneficial effect of above-mentioned further scheme is: described diode vd1 and vd2 makes output isolate with igbt module, has
Beneficial to the isolation between input and output it is ensured that the operation safety of igbt module；Described voltage sensor v3 detects energy storage device
Magnitude of voltage；Described control circuit mates corresponding output current value according to the magnitude of voltage detecting, and carries out perseverance to charging equipment
Current charge；When magnitude of voltage charging equipment is detected reaches load voltage value, invariable power charging is carried out to charging equipment.
Further: described overvoltage crowbar includes voltage limiter and the 4th resistance, described voltage limiter and the 4th resistant series
Between described second electric isolating switch and the negative pole of external electrical network.
The beneficial effect of above-mentioned further scheme is: described overvoltage crowbar carries out dual overvoltage to charging equipment to be protected
Shield, increases the security of charging further.
The utility model additionally provides a kind of high power charging device, including main cabinet and the high-power charging of described one kind
Device, described main cabinet includes switch board, feed isolating cabinet, pressure regulation charging cabinet and the output isolation cabinet being sequentially arranged, described control
Circuit processed, inlet wire isolation circuit, pressure regulation charging circuit and output isolation circuit be correspondingly arranged at respectively described switch board, inlet wire every
In cabinet, pressure regulation charging cabinet and output isolation cabinet.
Further: described main cabinet also includes mounting seat and top cover, described switch board, feed isolating cabinet, pressure regulation are charged
Cabinet and output isolation cabinet are sequentially arranged respectively in described mounting seat, and described top cover is arranged on described switch board, inlet wire isolation
The top of cabinet, pressure regulation charging cabinet and output isolation cabinet, and top cover upper surface is evenly arranged with multiple suspension ring.
The beneficial effect of above-mentioned further scheme is: be can guarantee that described switch board, is entered by described mounting seat and top cover
Line isolation cabinet, pressure regulation charging cabinet and output isolation globality in movement and installation process for the cabinet, by described top cover upper table
Face arranges suspension ring, is conducive to transhipment and the lifting of equipment, compares bottom lifting method, more convenient operation, security is higher.
Brief description
Fig. 1 is a kind of high power charging device block schematic illustration of the present utility model；
Fig. 2 is a kind of high power charging device circuit diagram of the present utility model.
In accompanying drawing, the list of parts representated by each label is as follows:
1st, control circuit, 2, inlet wire isolation circuit, 3, pressure regulation charging circuit, 4, output isolation circuit.
Specific embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example is served only for explaining this practicality
New, it is not intended to limit scope of the present utility model.
As shown in figure 1, a kind of high power charging device structural representation, including control circuit 1, inlet wire isolation circuit 2, adjust
Pressure charging circuit 3 and output isolation circuit 4, described control circuit 1 respectively with described inlet wire isolation circuit 2, pressure regulation charging circuit 3
Connect with output isolation circuit 4, described inlet wire isolation circuit 2, pressure regulation charging circuit 3 and output isolation circuit 4 are in sequential series.
In the present embodiment, described control circuit 1 is used for monitoring described inlet wire isolation circuit 2, pressure regulation charging circuit 3 and output
The running status of isolation circuit 4 is simultaneously uploaded to backstage electric power monitoring system；Described inlet wire isolation circuit 2 is used for receiving external electrical network
The DC voltage of input, and output voltage is to described pressure regulation charging circuit 3, described pressure regulation charging circuit 3 and external electrical network it
Between formed electrical isolation；Described pressure regulation charging circuit 3 is used for the DC voltage of input being carried out voltage conversion and exporting to described
Output isolation circuit 4；Described output isolation circuit 4 is used for the charging voltage that exports described pressure regulation charging circuit 3 and exports to filling
Electrical contact net, charges for charging equipment and uses.
In the present embodiment, described control circuit 1 includes logic control and protection circuit, described logic control and protection circuit
It is connected with described inlet wire isolation circuit 2, pressure regulation charging circuit 3 and output isolation circuit 4 respectively, and in described inlet wire isolation circuit
2nd, pressure regulation charging circuit 3 and output isolation circuit 4 occur to automatically cut off described inlet wire isolation circuit 2, pressure regulation charging electricity during exception
Abnormal signal is sent to background server by the circuit between road 3 and output isolation circuit 4 simultaneously.
Can realize described inlet wire isolation circuit 2, pressure regulation are filled in charging process by described control circuit 1 one aspect
Circuit 3 and output isolation circuit 4 are controlled, and on the other hand can be charged with inlet wire isolation circuit 2, pressure regulation described in real-time detection
Circuit 3 and the real-time status of output isolation circuit 4, and automatic shutdown circuit, it is ensured that charging safety, will simultaneously when occurring abnormal
Abnormal signal is sent to background server, convenient discharge fault in time.
As shown in Fig. 2 in the present embodiment, described inlet wire isolation circuit 2 includes the first lightning-preventing protector fa1, second prevents
Lightning strike protector fa2, first voltage sensor v1, second voltage sensor v2, the first current sensor a1, the first electronic isolation
Switch qs1, first cross flow fuse f01, preliminary filling The electric loop, the first D.C. contactor km1, the 5th filter reactor l5, first
Resistance r1 and first resistor r2, described first lightning-preventing protector fa1 is connected between external electrical network positive pole and ground, and described second
Lightning-preventing protector fa2 is connected between external electrical network negative pole and ground, and described first voltage sensor v1 is connected on external electrical network
Both positive and negative polarity between, also in sequential series between external electrical network positive pole and negative pole have described first electric isolating switch qs1, the first mistake
Flow fuse f01, the first D.C. contactor km1, the 5th filter reactor l5, the first current sensor a1 and second voltage sensing
Device v2, described first resistor r1 and first resistor r2 are all connected in parallel on described second voltage sensor v2 two ends, and described precharge is returned
Road is connected in parallel on the two ends of described first D.C. contactor km1.
By described inlet wire isolation circuit 2 can realize electrical equipment between described pressure regulation charging circuit 3 and external electrical network every
From.Before described filter reactor is installed on copped wave element, for reducing the harmonic component of voltage and current in straight-flow system, have
Effect suppression fault current rises, the peak value of limiting short-circuit current, and filtering noxious higher hamonic wave feeds back electrical network.
Preferably, described preliminary filling The electric loop included the second flow fuse f02,3rd resistor r3 and the second D.C. contactor
Km2, is connected in parallel on after described second flow fuse f02 the second D.C. contactor km2 excessively and the series connection of 3rd resistor r3, and three's series connection
The two ends of described first D.C. contactor km1.
In the present embodiment, described pressure regulation charging circuit 3 includes and described first resistor quantity identical pressure regulation charhing unit,
Each described pressure regulation charhing unit includes the first filter reactor, the second filter reactor, the 3rd mistake flow fuse, the 4th excessively stream
Fuse and dc dc circuit.
As shown in Figure 2, we define the described dc dc circuit in parallel with described first resistor r1 is a dc dc electricity
Road, the described dc dc circuit in parallel with described first resistor r2 is the 2nd dc dc circuit.Then, it can be seen that institute
State between two output ends of a dc dc circuit in sequential series have described first filter reactor l1, the 3rd cross flow fuse
F03, the 4th flow fuse f04 and the second filter reactor l2 excessively, and the described 3rd flow fuse f03 excessively and the fusing of the 4th excessively stream
The common port of device f04 is connected with an input of described output isolation circuit 4 as an output end；Described 2nd dc dc
In sequential series between two output ends of circuit have described first filter reactor l3, the 3rd mistake flow fuse f05, the 4th excessively stream
Fuse f06 and the second filter reactor l4, and the described 3rd flow fuse f05 excessively crosses the public of flow fuse f06 with the 4th
End is connected with another input of described output isolation circuit 4 as another output end.
By a described dc dc circuit and the 2nd dc dc circuit, set using multiphase buck chopper circuit crisscross parallel
Meter, is constituted heavy DC output with small current modular product, realizes the multiple redundancy of hardware and software, set for be charged
Standby charge and discharge control.It is two-phase buck chopper circuit crisscross parallel in Fig. 2.
Preferably, described dc dc circuit include igbt module and the first electric capacity c1, described first electric capacity c1 is connected in parallel on correspondence
Described first resistor r1 two ends, described igbt wired in parallel is at described first electric capacity c1 two ends.
Specifically, a described dc dc circuit includes an igbt module and the first electric capacity c1, and described first electric capacity c1 is simultaneously
It is associated in described first resistor r1 two ends, a described igbt wired in parallel is at described first electric capacity c1 two ends；Described 2nd dc dc
Circuit also includes the 2nd igbt module and the first electric capacity c2, and described first electric capacity c2 is connected in parallel on described first resistor r2 two ends, institute
State the 2nd igbt wired in parallel at described first electric capacity c2 two ends.
Preferably, using determining frequency pulse-width controlled pwm mode, control accounts for for a described dc dc circuit and the 2nd dc dc circuit
Empty ratio size, linear regulation output voltage, realize self-protection function, fault quickly sends block pwm and controls output after occurring
Instruction, overvoltage, excessively stream, excessively gently under-voltage when be all provided that effective protection.
Specifically, a described igbt module includes an igbt vt1, the 2nd igbt vt2, the 3rd igbt vt3 and
Four igbt vt4, the emitter stage of a described igbt vt1 is connected with the colelctor electrode of the 3rd igbt vt3, described 2nd igbt
The emitter stage of vt2 is connected with the colelctor electrode of the 4th igbt vt4, and the colelctor electrode of an igbt vt1 and the 3rd igbt vt3
The emitter stage of the colelctor electrode of emitter stage and the 2nd igbt vt2 and the 4th igbt vt4 is all connected in parallel on described first electric capacity c1 two ends,
And a described igbt vt1 and the common port of the 3rd igbt vt3 and the common port of the 2nd igbt vt2 and the 4th igbt vt4
It is connected with one end of described first filter reactor l1 and the second filter reactor l2 respectively.
In the same manner, described 2nd igbt module is similar with the circuit of a described igbt module, repeats no more here.
In the present embodiment, described output isolation cabinet 4 includes diode vd1 and vd2, the second current sensor a2, the second electricity
Flow sensor a3, the 4th current sensor a4, tertiary voltage sensor v3, the 3rd electric capacity c3, overvoltage crowbar, discharge back
Road, the 3rd lightning-preventing protector fa3, the 4th lightning-preventing protector fa4 and the second electric isolating switch qs2.
Wherein, described 3rd lightning-preventing protector fa3 is connected between external electrical network positive pole and ground, and the described 4th is anti-lightning strike
Protector fa4 is connected between external electrical network negative pole and ground, and has also been sequentially connected in series described between the both positive and negative polarity of external electrical network
Two electric isolating switch qs2 and overvoltage crowbar, described tertiary voltage sensor v3 and discharge loop are all connected in parallel on described mistake
Voltage protection circuit two ends, described 4th current sensor a4 is connected with described 3rd electric capacity c3, and is connected in parallel on institute after the two series connection
State overvoltage crowbar two ends, described second current sensor a2 and described diode vd1 is connected on described pressure regulation charging circuit 3
An output end and described 4th current sensor a4 and the common port of described 3rd electric capacity c3 between, described second electric current pass
Sensor a3 and described diode vd2 is connected on another output end of described pressure regulation charging circuit 3 and described 4th current sense
Between the common port of device a4 and described 3rd electric capacity c3.
Described diode vd1 and vd2 makes output and igbt module isolate, be conducive to isolation between input and output it is ensured that
The operation safety of igbt module；Described voltage sensor v3 detects the magnitude of voltage of energy storage device；Described control circuit 1 is according to detection
The magnitude of voltage arriving mates corresponding output current value, carries out constant-current charge to charging equipment；When charging equipment is detected
When magnitude of voltage reaches load voltage value, invariable power charging is carried out to charging equipment.
Preferably, described overvoltage crowbar includes voltage limiter cp and the 4th resistance r4, described voltage limiter cp and the 4th electricity
Resistance r4 is connected between described second electric isolating switch qs2 and the negative pole of external electrical network.
Described overvoltage crowbar carries out dual overvoltage protection to charging equipment, increases the security of charging further.
In the present embodiment, described overvoltage crowbar is divided into two-stage, and the first order is total overvoltage protection of 910v, and the second level is independent
The list set overvoltage protection of 915v.
A kind of high-power charging circuit of the present utility model, has constant current, constant voltage, the multiple charge mode of invariable power, can
Automatically adjusted according to the virtual condition of charging equipment, and provide overvoltage, excessively stream, excessively gentle under-voltage guarantor for charging equipment
Shield, thus realize the fast and safely charging of charging equipment.
The utility model additionally provides a kind of high power charging device, including main cabinet and the high-power charging of described one kind
Device, described main cabinet includes switch board, feed isolating cabinet, pressure regulation charging cabinet and the output isolation cabinet being sequentially arranged, described control
Circuit 1 processed, inlet wire isolation circuit 2, pressure regulation charging circuit 3 and output isolation circuit 4 are correspondingly arranged at described switch board respectively, enter
In line isolation cabinet, pressure regulation charging cabinet and output isolation cabinet.
Preferably, described main cabinet also includes mounting seat and top cover, and described switch board, feed isolating cabinet, pressure regulation are charged
Cabinet and output isolation cabinet are sequentially arranged respectively in described mounting seat, and described top cover is arranged on described switch board, inlet wire isolation
The top of cabinet, pressure regulation charging cabinet and output isolation cabinet, and top cover upper surface is evenly arranged with multiple suspension ring.
By described mounting seat and top cover can guarantee that described switch board, feed isolating cabinet, pressure regulation charging cabinet and output every
Moving and the globality in installation process from cabinet, by arranging suspension ring in described top cover upper surface, be conducive to the transhipment of equipment
And lifting, compare bottom lifting method, more convenient operation, security is higher.
Preferably, described switch board, feed isolating cabinet, pressure regulation charging cabinet and output isolation all detachable being arranged on of cabinet
In described mounting seat, dismounting is very convenient.
Preferably, described switch board, the both sides in front and back of feed isolating cabinet, pressure regulation charging cabinet and output isolation cabinet are equipped with cabinet
Door, and all around all directions are all symmetrical, have the symmetrical aesthetic feeling of industrial products.
In the present embodiment, whole charging device corner adopts designed arc-shaped appearance, makes whole device embody industrial products speciality
On the premise of, highlight modern mellow and full aesthetic feeling, more amiable in device perception, more have solid sense, texture is preferable.
In the present embodiment, whole charging device product considers water proof and dust proof, simultaneously using outdoor design housing, monolithic case
Take into account the radiating needs of internal component, each natural heat dissipation hole and forced heat radiation hole are separated in top cover, makes device
Natural heat dissipation passage is separated with forced heat radiation passage, in order to avoid causing the disorder of internal heat circulation canal, the radiating of impact device
Effect.
Preferably, charging device air inlet is arranged on housing bottom, and air outlet is arranged on case top, all of air inlet/outlet
Mouth is provided with prevents measure that rainwater pours in down a chimney it is ensured that waterproof effect in the rainy day.It is configured with filtration dust inside air inlet
Screen pack, it is ensured that the safe operation of device outside the dust of air inlet is isolated in housing, increase the service life.
In the present embodiment, the housing of charging device adopts quality steel plate assembled after processing, and surface of steel plate shapes
Overall zinc-plated afterwards, improve the corrosion resistance of device, spray special outdoor molding powder in Several Thiourea Derivatives on Zinc Plate Surface, make the antirust, anti-of device
The ageing-resistant performance of burn into brings up to a new height it is ensured that the normal service life of device can reach 30 years.
A kind of high-power charging circuit of the present utility model and device, can be applicable to energy storage type tramcar fast and safely
Charge it is also possible to be used for the fast and safely charging of the powerful device of other field, be widely used, charge quick, safety, height
Effect, is especially suitable for promoting the use of on a large scale.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all in this practicality
Within new spirit and principle, any modification, equivalent substitution and improvement made etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (10)
1. a kind of high-power charging circuit it is characterised in that: include control circuit (1), inlet wire isolation circuit (2), pressure regulation charge
Circuit (3) and output isolation circuit (4), described control circuit (1) is charged electric respectively with described inlet wire isolation circuit (2), pressure regulation
Road (3) and output isolation circuit (4) connect, described inlet wire isolation circuit (2), pressure regulation charging circuit (3) and output isolation circuit
(4) in sequential series；
Described control circuit (1) is used for monitoring described inlet wire isolation circuit (2), pressure regulation charging circuit (3) and output isolation circuit
(4) running status is simultaneously uploaded to backstage electric power monitoring system；
Described inlet wire isolation circuit (2) is used for receiving the DC voltage of external electrical network input, and output voltage to described pressure regulation is filled
Circuit (3), forms electrical isolation in described pressure regulation charging circuit (3) and external electrical network between；
Described pressure regulation charging circuit (3) is used for the DC voltage of input being carried out voltage conversion and exporting to described output isolation electricity
Road (4)；
The charging voltage that described output isolation circuit (4) is used for exporting described pressure regulation charging circuit (3) exports to charge contact
Net, charges for charging equipment and uses.
2. according to claim 1 a kind of high-power charging circuit it is characterised in that: described control circuit (1) includes logic
Control and protection circuit, described logic control and protection circuit respectively with described inlet wire isolation circuit (2), pressure regulation charging circuit
(3) connect with output isolation circuit (4), and in described inlet wire isolation circuit (2), pressure regulation charging circuit (3) and output isolation electricity
Road (4) automatically cut off when occurring abnormal described inlet wire isolation circuit (2), pressure regulation charging circuit (3) and output isolation circuit (4) it
Between circuit, abnormal signal is sent to background server simultaneously.
3. according to claim 1 a kind of high-power charging circuit it is characterised in that: described inlet wire isolation circuit (2) includes
First lightning-preventing protector, the second lightning-preventing protector, first voltage sensor, second voltage sensor, the first current sense
Device, the first electric isolating switch, first cross flow fuse, preliminary filling The electric loop, the first D.C. contactor, the 5th filter reactor,
At least one first resistor, described first lightning-preventing protector is connected between external electrical network positive pole and ground, described second lightning protection
Hit protector to be connected between external electrical network negative pole and ground, described first voltage sensor series external electrical network both positive and negative polarity it
Between, also in sequential series between external electrical network positive pole and negative pole have described first electric isolating switch, the first mistake flow fuse, direct current
Contactor, the 5th filter reactor, the first current sensor and second voltage sensor, described first resistor is connected in parallel on described
Two voltage sensor two ends, described preliminary filling The electric loop is connected in parallel on the two ends of described D.C. contactor.
4. according to claim 3 a kind of high-power charging circuit it is characterised in that: described preliminary filling The electric loop included second
Cross flow fuse, the second D.C. contactor and 3rd resistor, described second crosses flow fuse, the second D.C. contactor and the 3rd electricity
Resistance is in sequential series, and is connected in parallel on the two ends of described first D.C. contactor after three's series connection.
5. according to claim 3 a kind of high-power charging circuit it is characterised in that: described pressure regulation charging circuit (3) includes
With described first resistor quantity identical pressure regulation charhing unit, each described pressure regulation charhing unit include the first filter reactor,
Second filter reactor, the 3rd mistake flow fuse, the 4th mistake flow fuse and dc dc circuit；
Described dc dc circuit be connected in parallel on the two ends of described first resistor correspondingly, described dc dc circuit two output ends
Between in sequential series have described first filter reactor, the 3rd cross flow fuse, the 4th cross flow fuse and the second filter reactance
Device, and the described 3rd cross flow fuse with the 4th cross flow fuse common port electric with described output isolation as an output end
One input on road (4) connects.
6. according to claim 5 a kind of high-power charging circuit it is characterised in that: described dc dc circuit include igbt mould
Block and the first electric capacity, described first electric capacity is connected in parallel on corresponding described first resistor two ends, and described igbt wired in parallel is described
First electric capacity two ends.
7. according to claim 6 a kind of high-power charging circuit it is characterised in that: described igbt module includes first
Igbt, the 2nd igbt, the 3rd igbt and the 4th igbt, the emitter stage of a described igbt is connected with the colelctor electrode of the 3rd igbt,
The emitter stage of described 2nd igbt is connected with the colelctor electrode of the 4th igbt, and the transmitting of the colelctor electrode of an igbt and the 3rd igbt
The emitter stage of the colelctor electrode of pole and the 2nd igbt and the 4th igbt is all connected in parallel on described first electric capacity two ends, and a described igbt
It is connected with one end of described first filter reactor with the common port of the 3rd igbt, the public affairs of described 2nd igbt and the 4th i gbt
End is connected with one end of described second filter reactor altogether.
8. according to claim 3 a kind of high-power charging circuit it is characterised in that: described output isolation cabinet (4) include with
Described first resistor quantity identical diode and described first resistor quantity identical the second current sensor, the 4th electric current
Sensor, tertiary voltage sensor, the 3rd electric capacity, overvoltage crowbar, discharge loop, the 3rd lightning-preventing protector, the 4th prevent
Lightning strike protector and the second electric isolating switch；
Described 3rd lightning-preventing protector is connected between external electrical network positive pole and ground, and described 4th lightning-preventing protector is connected on
Between external electrical network negative pole and ground, and be also sequentially connected in series between the both positive and negative polarity of external electrical network described second electric isolating switch and
Overvoltage crowbar, described tertiary voltage sensor and discharge loop are all connected in parallel on described overvoltage crowbar two ends, and described
It is connected in parallel on described overvoltage crowbar two ends after four current sensors and described 3rd capacitances in series, and the two series connection, described the
Two current sensors and described Diode series are in the corresponding output end of described pressure regulation charging circuit (3) and described 4th electric current
Between the common port of sensor and described 3rd electric capacity.
9. according to claim 8 a kind of high-power charging circuit it is characterised in that: described overvoltage crowbar includes pressure limiting
Device and the 4th resistance, described voltage limiter and the 4th resistant series described second electric isolating switch and external electrical network negative pole it
Between.
10. a kind of high power charging device it is characterised in that: include main cabinet and the one kind described in any one of claim 1 to 8
High power charging device, described main cabinet includes switch board, feed isolating cabinet, pressure regulation charging cabinet and the output isolation being sequentially arranged
Cabinet, correspondence sets respectively for described control circuit (1), inlet wire isolation circuit (2), pressure regulation charging circuit (3) and output isolation circuit (4)
Put in described switch board, feed isolating cabinet, pressure regulation charging cabinet and output isolation cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620680557.9U CN205901353U (en) | 2016-06-30 | 2016-06-30 | High -power charging circuit and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620680557.9U CN205901353U (en) | 2016-06-30 | 2016-06-30 | High -power charging circuit and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205901353U true CN205901353U (en) | 2017-01-18 |
Family
ID=57770534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620680557.9U Withdrawn - After Issue CN205901353U (en) | 2016-06-30 | 2016-06-30 | High -power charging circuit and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205901353U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026274A (en) * | 2016-06-30 | 2016-10-12 | 武汉中直电气股份有限公司 | High-power charging circuit and apparatus |
| EP3723253A1 (en) * | 2019-04-10 | 2020-10-14 | ABB Schweiz AG | Converter arrangement with neutral point clamped choppers |
-
2016
- 2016-06-30 CN CN201620680557.9U patent/CN205901353U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026274A (en) * | 2016-06-30 | 2016-10-12 | 武汉中直电气股份有限公司 | High-power charging circuit and apparatus |
| CN106026274B (en) * | 2016-06-30 | 2019-03-05 | 武汉中直电气股份有限公司 | A kind of high-power charging circuit and device |
| EP3723253A1 (en) * | 2019-04-10 | 2020-10-14 | ABB Schweiz AG | Converter arrangement with neutral point clamped choppers |
| WO2020207683A1 (en) | 2019-04-10 | 2020-10-15 | Abb Schweiz Ag | Converter arrangement with neutral point clamped choppers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170118 Effective date of abandoning: 20190305 |