CN85205236U - Detonation-partitioning high speed charger - Google Patents
Detonation-partitioning high speed charger Download PDFInfo
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- CN85205236U CN85205236U CN 85205236 CN85205236U CN85205236U CN 85205236 U CN85205236 U CN 85205236U CN 85205236 CN85205236 CN 85205236 CN 85205236 U CN85205236 U CN 85205236U CN 85205236 U CN85205236 U CN 85205236U
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- voltage
- potentiometer
- resistance
- flame
- direct current
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Abstract
The main technical features of the utility model are that a control system is composed of a trigger which charges up by means of generating the degradation of great current and discharges electricity shallowly in later period by adding in capacitance and charges up an accumulator fully, a rectification pressurizer and a turner direct current instrument transformer and a feedback generator and a capacitance type discharger. All electrical elements are installed in one flameproof enclosure. The charger makes the gas output of a battery reduced, with low temperature rising and with electric energy loss reduced. The service life of the accumulator is not shorter than normal charge. An accumulating block type structure is adopted in the utility model and the form of inclined unsealing of 45 DEG is adopted in a wire connection cavity, which provides a late-model quick and conventional charging apparatus for an underground accumulator electric locomotive which comprises the explosion danger of methane mixture gas and coal dust in coal mine.
Description
The flame-proof type quick charger is the AC-DC machine that belongs in the current converter.
Existing quick charger both domestic and external, the charging current of control circuit even reach 1C-2C more than 0.6C, discharge is more than 200A, and just introduction discharge of charging beginning, causes the storage battery temperature rise, gas output is big, and pole plate comes off too early, and the life of storage battery is shortened greatly.Through consulting the WPI index of patents: HO2M-0.7 part, 1974-nineteen eighty-three, 10 years countries in the world patents.The U.S. is to alkaline battery and some novel battery has been realized fast and charging at a high speed, and the time is 5 hours, and the charging rate according to the document that has is too fast, and then storage battery temperature rise surpasses 14 ℃ (25F), will make the battery premature damage.Constant current charge is adopted in suggestion.Do not find the patent of application lead accumulator quick charge.
The purpose of this utility model provides a kind of improved quick charger, makes the flame-proof type quick charger, reaches the deficiency that overcomes similar products at home and abroad, and promptly the charging interval shortened in 3 hours by 8-12 hour, and temperature rise is low, and gas output is few.Do not shorten the useful life of storage battery.Be added with flameproof enclosure, promptly safety is quick again.Satisfied have the factory of methane blended gas and coal dust explosion hazard, the batteries that the ore deposit is 2.5 tons, 3 tons battery locomotives to carry out fast and the needs of normal charge.
The utility model comprises: main circuit; Signal Monitor; Synchrotrans; Control system.By the plug connector box, auxiliary wiring plate, the plug on line is joined, and all components and parts are loaded among the flameproof enclosure.
Main circuit adopts the three-phase half controlled bridge formula to have sustained diode as shown in Figure 2
4Rectification circuit, rectifier transformer ZLB capacity is 19KVA, be to adapt to 380/660 volt voltage needss in down-hole, adopts Δ/Y-11 wiring, for making the steady employing of direct current output filter reactor DK.
Fig. 3 is magnetic starter and Signal Monitor, and it is by QC810-60 type magnetic starter, AC relay ZJ
1, ZJ
2, Current Regulation potentiometer switch 2W
1-K and combined floodgate indicator light HD, overload light GD, illuminating lamp BD
1, BD
2With resistance R 1-6, diode Z
5Form.Wherein QC810-60 type magnetic starter is an external application equipment.
Synchrotrans as shown in Figure 4, its mode of connection is Y/Y-10, its primary side voltage is introduced by rectifier transformer ZLB secondary side, secondary side output five voltages, wherein V
a-104, V
b-104, V
c-104 is the synchro source voltage of trigger a, b, c three-phase, and V301-302 is the supply voltage of rectifying pressurizer and turner, and V125-126 is the supply voltage of direct current instrument transformer and ultramagnifier.
It is the custom-designed trigger of this quick charger that key of the present utility model is to have adopted in the control system; Rectifying pressurizer and turner; Direct current instrument transformer and ultramagnifier; The condenser type discharger has been formed new control system jointly.This system plays and produces the big electric current mode of falling progressively of 200A and charge, and the later stage adds the condenser type shallow discharge, storage battery is filled full effect within three hours.
Trigger by identical a, b, c three phase compositions, is an example with a item as shown in Figure 5, and it is by triode 1BG1-3a, diode 1Z1-6a, capacitor 1C1-4a resistance 1R1-9a and potentiometer 1W
1a1MB forms with pulse transformer.By AC sine wave synchronizing voltage Va process potentiometer 1W
1a, electric capacity 1C
1a, resistance 1R
2aWith direct-current control voltage V203 process 1R
1aCommon superposition is at triode 1BG
1aBase stage on, the pulse of control impuls transformer 1MB output.And introduce by the potentiometer W in direct current instrument transformer and the ultramagnifier
2The feedback signal of taking out is added in 1BG
1aEmitter on, play the effect of systems stabilisation working point.
Rectifying pressurizer and turner as shown in Figure 6, wherein direct current stabilizer is by integrated rectifier QL, resistance 2R, electric capacity 2C1-3 and voltage-stabiliser tube WY1-4 form.Turner is by W in Fig. 2 main circuit
3The sampling voltage signal (130) that takes out is by resistance 2R
1, 2R
2Potentiometer 2W
2And resistance 2R
4Be added on the pin two of operational amplifier F007, and with by resistance 2R
3, 2R
5, potentiometer 2W
1, 2W
3With voltage-stabiliser tube 2WY
1The voltage that is added on the operational amplifier F007 pin 3 is compared, and has formed the bistable state Schmidt circuit, passes through the paraphase of triode 2BG1-3 then, triode 2BG
4Switch control and diode 2Z1-2 and electric capacity 2C
4, resistance 2R7-15 forms.
Direct current instrument transformer and ultramagnifier as shown in Figure 7, it is by direct current instrument transformer LH, bridge rectifier diode Z1-4, capacitor C, resistance R
7With potentiometer W
2Form.
The condenser type discharger as shown in Figure 8, it is by triode BG
1, capacitor C
1, C
2, resistance R
8, R
9, light-emitting diode FG forms.
In the flameproof enclosure of complete closed, press components and parts temperature capacity and spin manifold temperature and distribute, adopt long-pending block structure, arrange components and parts.The discharge of employing condenser type, it is few to make storage battery produce heat when charging, reduces gas output, on case design, the outside corrugated plating that adopts, heat sink is equipped with in inside, to increase area of dissipation, improves radiating effect.Wire connection cavity adopts 45 ° of shapes of tiltedly uncapping, and safeguards, overhauls, installs very convenient.
This utility model has overcome the deficiency of similar products at home and abroad, and circuit is simple, cost is low, maintenance easily, easy to adjust, charging is fast, and the time shortened in three hours, rechargeable battery group ceiling voltage is 90 volts, heap(ed) capacity 400 ampere-hours, temperature rise is low, and the life-span is not less than normal charge, safe and reliable, for charging device increases a kind of new product.
For the ease of understanding structure of the present utility model and realizing the best way of this utility model, be illustrated below in conjunction with relevant accompanying drawing.
Fig. 1 is the shape assumption diagram of flame-proof type quick charger.As shown in the figure: 1 corrugated plating flameproof enclosure, 2 control adjusting switch, 3 reset button, 4 lifting rings, 5 routines are filled change over switch soon, 6 D.C. voltmeter observation windows, 7 signals show observation window, 8 DC ammeter observation windows, 9 fin, 10 equipment nameplates, 11 long cable section of ingoing line mouths, 12 electronics pocket, 13 wire connection cavities, 14 electronics pocket doors, 15 instrument signal control chambers, 16 dollies, 17 card cages, 18 controllable silicon SCR 1-3.
Fig. 2 is a main circuit
Fig. 3 is magnetic starter and Signal Monitor
Fig. 4 is synchrotrans
Fig. 5 is a trigger
Fig. 6 is rectifying pressurizer and turner
Fig. 7 is direct current instrument transformer and ultramagnifier
Fig. 8 is the condenser type discharger
Fig. 9 is the electronic devices and components assembly drawing, as shown in the figure: 16 dollies, 17 card cages, 18 controllable silicon SCR 1-3,19 diode D1-3,20 is 14 plug connectors, 21 synchrotrans TB, 22 auxiliary wiring plates, 23 is 20 plug connectors, 24 shunts, 25 fast acting fuse KRD1-3,26 discharge triode BG
1, 27 sustained diode
4, 28 AC relay ZJ1-2,29 sample resistance W
3, 30 direct current relay ZJ
3, 31 rectifier bridges, 32 reactor DK, 33 left branch legs, 34 copper plates, 35 right supporting legs, 36 current transformer LH, 37 discharging capacitor C1-2,38 rectifier transformer ZLB.
Figure 10 is instrument signal control frame, as shown in the figure: 39 direct voltage Table V
1, 40 illuminating lamp BD1-2,41 combined floodgate indicator light HD, 42 light-emitting diode FG, 43 overload light GD, 44 direct current Table As.
Charging process is as follows: this machine adopts the big electric current mode of falling progressively to charge, and initial maximum current is 200A.When beginning is filled soon, regulate the Current Regulation potentiometer 2W among Fig. 6
1, just can change control voltage V(203 among Fig. 5) and size.With a item is example, and this voltage and synchronizing voltage Va all are added on 1BG
1aBase stage on, when input signal is timing, 1BG
1aConducting, its collector potential is an electronegative potential by high potential transition, capacitor 1C
2aBecause of both end voltage can not be suddenlyd change,, thereby make 1BG so other end current potential becomes electronegative potential
2aBecome by former conducting and to end.1BG
2aCollector potential is a high potential, and this voltage passes through 1Z
3aMake 1BG again
3aConducting is so positive pulse of pulse transformer 1MB output makes the controllable silicon SCR conducting, along with 1C
4aCharging voltage raises, 1BG
2aAgain conducting and make 1BG
3aEnd.1Z
1a, 1Z
2aUtmost point input polarity before being used for limiting, 1C
3aFor improving the pulse stabilization degree, make 1BG
3aHas the high stable performance, 1Z
4aBe used for suppressor pulse transformer 1MB at 1BG
3aThe overvoltage that is produced in the turn off process, 1W
1aAnd 1C
1aBe phase-shift circuit, regulate 1W
1aCan regulate the degree of balance of three-phase trigger pulse, because offset voltage is fixing, so change control voltage V(203) just can change the pulse phase shift range.2W in regulating Fig. 6
1The time, because output voltage can make charging current regulate arbitrarily by zero to maximum, when reaching given maximum current 200A, storage battery begins to charge normal.When the charge in batteries capacity increased gradually, charging current also obviously descended thereupon, charging current is charged by the storage battery requirement mode of falling progressively, and do not adopt big electric current constant current charge, had so just guaranteed storage battery useful life.Direct current instrument transformer and ultramagnifier as shown in Figure 7, when dc bus current changed, the reactance value of direct current instrument transformer LH secondary coil also changed thereupon, thereby the rectified current flow valuve of LH power supply is also changed thereupon, utilized potentiometer W
2On dividing potential drop get and do feedback signal (202), be connected to the 1BG among Fig. 5
1aEmitter on, to improve the stability of output current.Regulating the charging current that allows by storage battery when feedback signal (202) size just can guarantee to fill soon falls progressively.W
1With ZJ
3Form the direct current overload protection.As shown in Figure 6, promptly by the W among Fig. 2
3The voltage that voltage sampling device is obtained (130), below 25.5～26 volts time the, F007(6 pin) voltage is the positive voltage about 14 volts, at this moment 2BG
1Saturation conduction, 2BG
2End 2BG
3Saturation conduction, (305) are zero potential, at this moment BG among Fig. 8
1Base stage and emitter are idiostatic, BG
1End.W in Fig. 2
3When the voltage that voltage sampling device is obtained (130) reaches 25.5～26 volts, circuit upset, F007(6 pin) be negative voltage, at this moment 2BG
1End 2BG rapidly
2Conducting, 2BG
3End, (305) are high potential by zero potential transition, make discharger BG
1Conducting, capacitor C
1, C
2Charging, storage battery begin discharge, and the discharging current of storage battery also passes through resistance R simultaneously
8The discharge indicating circuit that light-emitting diode FG forms, this moment, light-emitting diode FG was luminous, because polarization current flow through batteries both positive and negative polarity and electrolyte are oppositely arranged, make battery because concentration difference reduces rapidly with the formed polarizing voltage of bubble that is attached on the pole plate, simultaneously the 2BG among Fig. 6
4Base potential is a negative value, 2BG
4Become by conducting and to end, break impulse trigger voltage (201) voltage, pulse transformer 1MB stops to export pulse.Because discharger adopts the condenser type discharge, has reduced caloric value, has reduced the temperature of cavity, has also reduced electric energy loss.
The electronic devices and components assembling and the connection (seeing Fig. 9,10) thereof of this utility model are as follows:
Three-phase alternating-current supply and the control line controlled by the flame-proof type magnetic starter, by the rectifier transformer ZLB(38 in wire connection cavity (13) the introducing electronic devices and components chambeies (12)) primary side, rectifier transformer ZLB(38) 65/80 volt of two kinds of three-phase alternating voltage of secondary side output, supply 2.5 tons respectively, the battery charging of 3 tons of battery locomotives, this voltage is by the fast acting fuse KRD1-3(25 on three flexible cords and the boost line fishplate bar (22)) a side link to each other, fast acting fuse KRD1-3(25) opposite side and three-phase half control rectifier bridge join, steady for the direct current that makes output, insert filter reactor DK(32).The output DC source is drawn with batteries by wire connection cavity (13) and is connected.Simultaneously by rectifier transformer ZLB(38) secondary side draws on line and is connected to synchrotrans TB(21), synchrotrans TB(21) mode of connection is Y/Y-10, the supply control system power supply.On auxiliary wiring plate (22), be equipped with: fast acting fuse KRD1-3(25), sustained diode
4(27), AC relay ZJ1-2(28), direct current relay ZJ
3(30), direct current instrument transformer LH(36) and rectifier bridge Z1-4(31), shunt (24), sample resistance W
3(29), discharge triode BG
1(26), discharging capacitor C1-2(37).Each element connects the back and is connected with other parts with 20 plug connectors (23).Trigger, rectifying pressurizer and turner all adopt printed wire to form two blocks of plug connector plates respectively, in the card cage of packing into (17).The plug connector panel is provided with instrument connection and regulator potentiometer, uses for test and adjustment.Card cage (17) links to each other with 14 plug connectors (20) with other parts, and the control line of being introduced by wire connection cavity (13) is connected to instrument signal control frame (Figure 10), and this is installed in the instrument signal control chamber (15).On frame, be equipped with: the direct voltage Table V
1(39), DC ammeter A(44), combined floodgate indicator light HD(44) and, overload light GD(43) and illuminating lamp BD1-2(40), light-emitting diode FG(42), control adjusting switch (2) (is Current Regulation potentiometer 2W
1), reset button FA(3) and fill conventional change over switch K(5 soon), instrument signal control frame connects with other parts and all adopts 20 plug connectors (23).
Claims (5)
1, a kind of flame-proof type quick charger comprises the explosion-resistant enclosure of flame-proof type; Main circuit; Signal Monitor; Synchrotrans; Control system.It is characterized in that: the latter half of flameproof enclosure is electronics pocket (12); In electronics pocket, install the dolly (16) of an installation electrical equipment sub-assembly; Be provided with fin (9) on electronics pocket (12) surface, equipment famous brand (10) is installed in the front, installs two lifting rings (4) above; In the flameproof enclosure upper front is instrument signal control chamber (15), and control adjusting switch (2) is installed in control chamber (15), reset button (3), routine is filled change over switch (5) soon, D.C. voltmeter observation window (6), signal shows observation window (7), DC ammeter observation window (8); Control system is by trigger; Direct current instrument transformer and ultramagnifier; Rectifying pressurizer and turner; The condenser type amplifier is formed.
2, quick charger according to claim 1 is characterized in that: trigger adopts AC sine wave synchronizing voltage V
aThrough potentiometer 1W
1a, electric capacity 1C
1a, resistance 1R
2aWith direct-current control voltage V(203) through 1R
1aCommon superposition is at triode 1BG
1aBase stage on, and introduce potentiometer W
2The feedback signal of taking out is added in 1BG
1aEmitter on.
3, flame-proof type quick charger according to claim 1 is characterized in that: turner adopts by the potentiometer W in the main circuit
2The voltage signal that takes out is by resistance 2R
1, 2R
2, potentiometer 2W
2, resistance 2R
4Be added on the pin two of operational amplifier F007, and with by resistance 2R
3, 2R
5, potentiometer 2W
1, 2W
3, voltage-stabiliser tube 2WY
1The voltage that is added on the operational amplifier F007 pin 3 is compared, and forms the bistable state Schmidt circuit, passes through triode 2BG then
1, 2BG
2, 2BG
3Paraphase.
4, flame-proof type quick charger according to claim 1 is characterized in that: direct current instrument transformer and ultramagnifier, and by direct current instrument transformer LH, bridge rectifier diode Z1-4, resistance R
7, potentiometer W
2Form.
5, flame-proof type quick charger according to claim 1, it is characterized in that: the condenser type discharger is by triode BG
1, capacitor C
1, C
2, resistance R
9Form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85205236 CN85205236U (en) | 1985-12-09 | 1985-12-09 | Detonation-partitioning high speed charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85205236 CN85205236U (en) | 1985-12-09 | 1985-12-09 | Detonation-partitioning high speed charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN85205236U true CN85205236U (en) | 1988-02-10 |
Family
ID=4800355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 85205236 Withdrawn CN85205236U (en) | 1985-12-09 | 1985-12-09 | Detonation-partitioning high speed charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN85205236U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570857A (en) * | 2012-03-05 | 2012-07-11 | 张采兴 | Mining flame-proof type rectifier |
| CN103475037A (en) * | 2012-06-07 | 2013-12-25 | 太仓子午电气有限公司 | Efficient and safe charger |
-
1985
- 1985-12-09 CN CN 85205236 patent/CN85205236U/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570857A (en) * | 2012-03-05 | 2012-07-11 | 张采兴 | Mining flame-proof type rectifier |
| CN103475037A (en) * | 2012-06-07 | 2013-12-25 | 太仓子午电气有限公司 | Efficient and safe charger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent for invention or patent application | ||
| CB04 | Change of attorney information |
Agent after: Chen Boqiu Patent agency after: Patent Service Centre of Ministry of Coal Industry Agent after: Sun Wuben |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: PATENT AGENCY TO: COAL MINISTRY PATENTSERVICE CENTER; AGENT TO: CHEN BOQIU; SUN WUBEN |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |