CN202817867U - Intelligent charger - Google Patents
Intelligent charger Download PDFInfo
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- CN202817867U CN202817867U CN 201220524380 CN201220524380U CN202817867U CN 202817867 U CN202817867 U CN 202817867U CN 201220524380 CN201220524380 CN 201220524380 CN 201220524380 U CN201220524380 U CN 201220524380U CN 202817867 U CN202817867 U CN 202817867U
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Abstract
The utility model provides an intelligent charger, belonging to the field of electronic technologies of chargers and solving the problems that in the prior art, a single intelligent charger only has one charging voltage and is not wide in application scope. The intelligent charger comprises a power supply circuit used for converting commercial power into direct current power. An output end of the power supply circuit is connected with a charging circuit used for converting alternating current power into the direct current power needed by a storage battery and for charging the storage battery. The output end of the power supply circuit is also connected with a power supply control circuit used for converting the direct current power into the alternating current power, controlling the magnitude of voltage of the output alternating direct current power, and controlling the on-off state of the output end of the power supply circuit. The power supply control circuit is connected with a voltage selecting circuit used for selecting one of two charging voltages based on the magnitude of the charging voltage needed by the storage battery, and sending a charging voltage signal. The intelligent charger is provided with the two charging voltages and is capable of adjusting the magnitude of the charging voltages according to the real needs of the storage battery. The intelligent charger is wide in application scope and the circuits of the intelligent charger are relatively simple.
Description
Technical field
The utility model belongs to the charger electronic technology field, relates to a kind of intelligent charging machine.
Background technology
Charger is to adopt the high frequency electric source technology, and the Intelligent Dynamic of uses advanced is adjusted the equipment that charging technique charges a battery.The characteristics such as it adopts constant current, constant voltage and little constant current intelligence three phases charging modes, has the charge efficiency height, and is simple to operate, lightweight, and volume is little.Charger is applicable to the equipment such as starting storage battery on electrocar, electric lift truck, electric pallet truck, automobile, the medium and small generator group.Charger divides and can substantially be divided into from purposes: fork truck charger, electric motor car charger, intelligent charging machine, floating charge machine and adjustable charger.
Storage battery has a variety of, and required charging voltage is not single, but present single intelligent charging machine only possesses a charging voltage, and this has just caused the scope of application of single intelligent charging machine wideless, is not facility very.
And it is 200720073137.5 intelligent charging machine that Chinese patent literature discloses application number, comprise that main charging circuit and charging control circuit form, main charging circuit comprises filter circuit, current rectifying and wave filtering circuit, pulse bleeder circuit, half-bridge inversion circuit, Drive and Control Circuit, high-frequency rectification charging circuit, charging control circuit comprises power circuit, voltage stabilizing circuit, self-loopa circuit, current monitoring circuit, voltage detecting circuit, temperature sensing circuit, and its charging control circuit also comprises control display circuit and sampling switch power supply integral control circuit.Each stage in this device process is adopted Single-chip Controlling, and charge efficiency is high, and is easy and simple to handle, but also do not solve the problem that single intelligent charging machine only possesses a charging voltage, and the scope of application is wideless.
Summary of the invention
There are the problems referred to above in the utility model for existing technology, a kind of intelligent charging machine has been proposed, this intelligent charging machine has two charging voltages, can adjust according to the actual needs of storage battery the size of charging voltage, and is applied widely and circuit is comparatively simple.
The utility model is realized by following technical proposal: a kind of intelligent charging machine, it is characterized in that, this intelligent charging machine comprises for civil power being converted to galvanic power circuit, the output of described power circuit is connected with for the charging circuit that alternating current is converted to the required direct current of storage battery and charges a battery, described power circuit output end also is connected with for direct current being converted to alternating current and controlling output AC piezoelectric voltage size and the power control circuit of controlling the power circuit output end break-make, and described power control circuit is connected with according to a voltage selecting circuit that sends the charging voltage signal in two charging voltages of storage battery required charging voltage size selection.
Operating personnel can be big or small according to the required charging voltage of storage battery, selects one of them in two charging voltages of intelligent charging machine, sends this charging voltage signal to power control circuit by voltage selecting circuit.Power circuit is converted to civil power direct current and exports to power control circuit, power control circuit is converted to alternating current with direct current, and it is big or small to change the output AC piezoelectric voltage according to the charging voltage signal that voltage selecting circuit sends, charging circuit receives the alternating current that sends through power circuit after the power control circuit processing, and charging circuit is converted to alternating current voltage the required direct voltage of storage battery and exports to charge in batteries.
In above-mentioned intelligent charging machine, described voltage selecting circuit comprises selects selector switch K1, resistance R 1, resistance R 2, triode BG and slide rheostat W, the input of described selector switch K1 connects power control circuit, the output one contact resistance R1 of selector switch K1, output two contact resistance R2, described resistance R 1 and resistance R 2 be the collector electrode of connecting triode BG respectively, described slide rheostat W two ends are emitter and the base stage of connecting triode BG respectively, and the base stage of described triode BG also connects power control circuit.Can select conducting resistance R1 or resistance R 2 by selector switch K1, the resistance during by slide rheostat W capable of regulating triode BG conducting sends a signal to power control circuit, changes the charging voltage of this intelligent charging machine output.
In above-mentioned intelligent charging machine, the voltage sampling circuit of voltage when described power control circuit is connected with for the sampling charge in batteries, described voltage sampling circuit comprises selector switch K2, resistance R 3 and resistance R 4, the input of described selector switch K2 connects power control circuit, the output one contact resistance R3 of selector switch K2, output two contact resistance R4, described selector switch K2 and selector switch K1 interlock make resistance R 1 and resistance R 3 conductings or resistance R 2 and resistance R 4 conductings simultaneously, described resistance R 3 and resistance R 4 are connected with relay, described resistance R 3 is connected an end of the normal open switch that connects respectively relay with resistance R, the normal open switch other end of described relay is used for connecting battery positive voltage, and the coil of described relay connects power control circuit.Selector switch K2 and selector switch K1 interlock make resistance R 1 and resistance R 3 conductings or resistance R 2 and resistance R 4 conductings simultaneously, and the sampled voltage that power control circuit is received is corresponding with the charging voltage signal that selector switch K1 sends.
In above-mentioned intelligent charging machine, described power control circuit comprises the Single-chip Controlling unit, IGBT components and parts Q1, IGBT components and parts Q2 and be used for driving and the driver element of control IGBT components and parts Q1 and IGBT components and parts Q2, described Single-chip Controlling unit two-way output connects respectively driver element, described Single-chip Controlling unit connects the coil of relay, described Single-chip Controlling unit and driver element connect respectively selector switch K2, the road output that described Single-chip Controlling unit connects driver element also connects selector switch K1, described driver element also connects respectively the grid of IGBT components and parts Q1 and IGBT components and parts Q2, the source electrode of described IGBT components and parts Q1 connects the drain electrode of IGBT components and parts Q2, and the drain electrode of described IGBT components and parts Q1 is connected the output of power circuit with IGBT components and parts Q2 source electrode.IGBT is that the English of Insulated Gate Bipolar Transistor is called for short, and Chinese is insulated gate bipolar transistor, the compound full-control type voltage driven type power semiconductor that is comprised of double pole triode and insulating gate type field effect tube.The break-make of the whole circuit of Single-chip Controlling unit controls, and transmit control signal to driver element, the wave impulse of driver element transmit leg drives IGBT components and parts Q1 and IGBT components and parts Q2 is converted to alternating current with the direct current that power circuit sends, selector switch K1 selects conducting resistance R1 or 2 pairs of driver elements of resistance R to carry out dividing potential drop, and the pulsewidth that changes the square-wave pulse of driver element transmission changes the size of the voltage of IGBT components and parts Q1 and IGBT components and parts Q2 output AC electricity.Driver element does not drive IGBT components and parts Q1 and IGBT components and parts Q2 work when battery tension is full of.
In above-mentioned intelligent charging machine, described power circuit comprises EMC, is used for changing power converting circuit, full-bridge type rectification circuit and the filter circuit one of line voltage size, described full-bridge type rectification circuit connects civil power by EMC, described full-bridge type rectification circuit connects filter circuit one, described filter circuit one connects the drain electrode of IGBT components and parts Q1 and the source electrode of IGBT components and parts Q2, described power converting circuit connects the full-bridge type rectification circuit, and described power converting circuit also connects Single-chip Controlling unit and driver element.EMC is that the English of Electro Magnetic Compatibility is called for short, have and make the operation that in its electromagnetic environment, meets the requirements of equipment or system not produce the ability of intolerable electromagnetic interference to any equipment in its environment, civil power avoids interference other equipment work by EMC, the concurrent alternating current that send carries out rectifying and wave-filtering by full-bridge type rectification circuit and filter circuit one, output DC to IGBT components and parts Q1 and IGBT components and parts Q2 as operating voltage.Power converting circuit is that two less direct voltages flow to respectively Single-chip Controlling unit and driver element as their working power with the voltage transformation of civil power.
In above-mentioned intelligent charging machine, described charging circuit comprises transformer, filter circuit two, high-frequency rectification circuit and the filter circuit three that is connected connecting battery terminal negative, described filter circuit two connects respectively the drain electrode of source electrode and the IGBT components and parts Q2 of IGBT components and parts Q1, described filter circuit two is also distinguished the elementary and filter circuit one of connection transformer, the secondary connection high-frequency rectification circuit of described transformer, described high-frequency rectification circuit connects filter circuit three, and the end that the normal open switch contact resistance R3 of described relay is connected with resistance R also connects filter circuit three.The alternating voltage that filter circuit two receives IGBT components and parts Q1 and IGBT components and parts Q2 transmission carries out filtering, send to the elementary of transformer, through the less alternating voltage of transformer transformation output, carry out rectification through high-frequency rectification circuit again, the required direct voltage of output storage battery charges a battery finally by crossing filter circuit three filtering.
In above-mentioned intelligent charging machine, described driver element also is connected with for detection of circuit temperature and the thermostat that when temperature is excessive driver element do not transmitted control signal.The temperature of thermostat real-time detection circuit, thermostat sends a signal to driver element when excess Temperature, and driver element is not transmitted control signal.Can carry out overtemperature protection to this intelligent charging machine like this.
In above-mentioned intelligent charging machine, described Single-chip Controlling unit also is connected with current transformer, and described current transformer is arranged on the connecting line of drain electrode that filter circuit two connects the source electrode of IGBT components and parts Q1 and IGBT components and parts Q2.Current transformer carries out current sample to circuit and sends to the Single-chip Controlling unit, and when the electric current in the circuit was excessive, Single-chip Controlling unit controls relay normally open switch disconnected, protective circuit.
In above-mentioned intelligent charging machine, described Single-chip Controlling unit also is connected with for the charactron that shows charging real-time voltage and electric current.The Single-chip Controlling unit shows by charactron by the electric current that the sampled voltage summation current transformer that receives selector switch K2 transmission sends.
Compared with prior art, this intelligent charging machine has the following advantages:
1, the utlity model has two charging voltages, can be according to the required charging voltage size of storage battery, the charging voltage size of artificial change intelligent charging machine output, applied widely.
2, the utility model has increased voltage selecting circuit, can select in two charging voltages one of them by voltage selecting circuit, and is easy to operate, practical.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Among the figure, 1, the Single-chip Controlling unit; 2, driver element; 3, EMC; 4, power converting circuit; 5, full-bridge type rectification circuit; 6, filter circuit one; 7, filter circuit two; 8, filter circuit three; 9, transformer; 10, high-frequency rectification circuit; 11, thermostat; 12, charactron; Km, relay; P, current transformer.
Embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1, this intelligent charging machine, this intelligent charging machine comprises for civil power being converted to galvanic power circuit, the output of power circuit is connected with for the charging circuit that alternating current is converted to the required direct current of storage battery and charges a battery, power circuit output end also is connected with for direct current being converted to alternating current and controlling output AC piezoelectric voltage size and the power control circuit of controlling the power circuit output end break-make, and power control circuit is connected with according to a voltage selecting circuit that sends the charging voltage signal in two charging voltages of storage battery required charging voltage size selection.Voltage selecting circuit comprises selects selector switch K1, resistance R 1, resistance R 2, triode BG, slide rheostat W, the resistance of resistance R 1 is the twice of resistance R 2, the input of selector switch K1 connects power control circuit, the output one contact resistance R1 of selector switch K1, output two contact resistance R2, resistance R 1 and resistance R 2 be the collector electrode of connecting triode BG respectively, slide rheostat W two ends are emitter and the base stage of connecting triode BG respectively, and the base stage of triode BG also connects power control circuit.The voltage sampling circuit of voltage when power control circuit is connected with for the sampling charge in batteries, voltage sampling circuit comprises selector switch K2, resistance R 3 and resistance R 4, resistance R 3 is twices of resistance R 4, the input of selector switch K2 connects power control circuit, the output one contact resistance R3 of selector switch K2, output two contact resistance R4, selector switch K2 and selector switch K1 interlock make resistance R 1 and resistance R 3 conductings or resistance R 2 and resistance R 4 conductings simultaneously, described resistance R 3 and resistance R 4 are connected with relay K m, resistance R 3 is connected an end of the normal open switch that connects respectively relay K m with resistance R, the normal open switch other end of relay K m is used for connecting battery positive voltage, and the coil of relay K m connects power control circuit.
Above-mentioned power control circuit comprises Single-chip Controlling unit 1, IGBT components and parts Q1, IGBT components and parts Q2 and be used for driving and the driver element 2 of control IGBT components and parts Q1 and IGBT components and parts Q2, Single-chip Controlling unit 1 two-way output connects respectively driver element 2, Single-chip Controlling unit 1 connects the coil of relay K m, are connected with driver element and connect respectively selector switch K2 in Single-chip Controlling unit 1, driver element 2 also is connected with the thermostat 11 that driver element 2 is not transmitted control signal for detection of circuit temperature and when temperature is excessive, the road output that Single-chip Controlling unit 1 connects driver element 2 also connects selector switch K1, driver element 2 also connects respectively the grid of IGBT components and parts Q1 and IGBT components and parts Q2, the source electrode of IGBT components and parts Q1 connects the drain electrode of IGBT components and parts Q2, the drain electrode of IGBT components and parts Q1 is connected the output of power circuit with IGBT components and parts Q2 source electrode, Single-chip Controlling unit 1 also is connected with current transformer P and is useful on the charactron 12 that shows battery tension and charging current, and current transformer P is arranged on the connecting line of drain electrode of the source electrode of filter circuit 27 connection IGBT components and parts Q1 and IGBT components and parts Q2.Power circuit comprises EMC3, is used for changing power converting circuit 4, full-bridge type rectification circuit 5 and the filter circuit 1 of line voltage size, full-bridge type rectification circuit 5 connects civil power by EMC3, full-bridge type rectification circuit 5 connects filter circuit 1, filter circuit 1 connects the drain electrode of IGBT components and parts Q1 and the source electrode of IGBT components and parts Q2, power converting circuit 4 connects full-bridge type rectification circuit 5, and power converting circuit 4 also connects Single-chip Controlling unit 1 and driver element 2.Charging circuit comprises transformer 9, filter circuit 27, high-frequency rectification circuit 10 and is connected connecting the filter circuit 38 of battery terminal negative, filter circuit 27 connects respectively the drain electrode of source electrode and the IGBT components and parts Q2 of IGBT components and parts Q1, filter circuit 27 is also distinguished the elementary and filter circuit 1 of connection transformer 9, the secondary connection high-frequency rectification circuit 10 of transformer 9, high-frequency rectification circuit 10 connects filter circuit 38, and the end that the normal open switch contact resistance R3 of relay K m is connected with resistance R also connects filter circuit 38.
This intelligent charging machine has two charging voltages and is respectively 12V and 24V, operating personnel can be big or small according to the required charging voltage of storage battery, select conducting resistance R1 or resistance R 2 by selector switch K1, the resistance of resistance R 1 is the twice of resistance R 2 resistances, controls the charging voltage of intelligent charging machine output by the principle of dividing potential drop.When selecting conducting R1, can make the charging voltage of intelligent charging machine output 12V, when selecting conducting resistance R2, make the charging voltage of intelligent charging machine output 24V.
Behind the civil power of intelligent charging machine incoming transport voltage 220V, the closed conducting of the normal open switch of Single-chip Controlling unit 1 control relay Km.Do not connect the reverse polarity connection of storage battery or storage battery, Single-chip Controlling unit 1 output control signal all shows numeral 8 to charactron 12 control charactrons 12, this intelligent charging machine can not be worked, only have the polarity Single-chip Controlling unit 1 of correct access storage battery just can work, the numeral of Single-chip Controlling unit 1 control charactron 12 is from 8 transformations 0 at this moment, and this intelligent charging machine begins normal operation.When storage battery needs the charging voltage of 12V, operating personnel make selector switch K1 select conducting resistance R1, selector switch K2 with selector switch K1 interlock selects conducting resistance R3 simultaneously, the resistance of resistance R 3 is twices of resistance R 4 resistances, and conducting resistance R3 makes the sampled voltage of input Single-chip Controlling unit 1 corresponding with the charging voltage of current 12V.Civil power 220V alternating current voltage carries out rectification by full-bridge type rectification circuit 5 and filter circuit 1 carries out filtering, is converted to the direct voltage of 300V.
Filter circuit 1 is with the direct voltage output of the 300V operating voltage as IGBT components and parts Q1 and IGBT components and parts Q2, simultaneously driver element 2 receives the control signal that Single-chip Controlling unit 1 send, and sends square-wave pulse and drive IGBT components and parts Q1 and IGBT components and parts Q2 the direct current of 300V is converted to alternating current.Because selector switch K1 selects conducting resistance R1, the control voltage of Single-chip Controlling unit 1 being exported to driver element 2 carries out dividing potential drop, the control voltage of input driver element 2 is changed, while slide rheostat W capable of regulating charging current, resistance when changing triode BG conducting changes the control voltage of input driver element 2.The control voltage of input driver element 2 changes changes the square-wave pulse bandwidth of driver element 2 outputs, thereby the size of the alternating current voltage of IGBT components and parts Q1 and IGBT components and parts Q2 output changes, filter circuit 27 sends to transformer 9 after receiving the alternating current of IGBT components and parts Q1 and IGBT components and parts Q2 transmission and carrying out filtering, sends to high-frequency rectification circuit 10 after the voltage decreases of transformer 9 with the input AC electricity and carries out rectification.Alternating current changes direct current into behind over commutation, and dc voltage is 12V, and direct current is after wave circuit 38 carries out filtering after filtration, as the charging voltage of storage battery.
The voltage of resistance R 3 sample circuits sends to Single-chip Controlling unit 1, can realize charging voltage is shown in real time by the button operation on the Single-chip Controlling unit 1, and the fixed voltage that the voltage of driver element 2 reception resistance R 3 sample circuits and Single-chip Controlling unit 1 send to driver element 2 in real time compares, when the voltage of circuit during greater than fixed voltage, driver element 2 is not worked, and the electricity of expression storage battery is filled.Electric current during the work of current transformer P sample circuit, send to Single-chip Controlling unit 1, can realize charging current is shown in real time by the button operation on the Single-chip Controlling unit 1, when the electric current in the circuit is excessive, the normal open switch of Single-chip Controlling unit 1 control relay Km disconnects, and makes storage battery can not get electricity.Thermostat 11 detects the working temperature of driver element 2 in real time, and when excess Temperature, thermostat 11 sends a signal to driver element 2, and driver element 2 is not transmitted control signal, and this intelligent charging machine is carried out overtemperature protection.
When storage battery needs the charging voltage of 24V, only need make selector switch K1 conducting resistance R2, simultaneously selector switch K2 conducting resistance R4.Resistance R 1 resistance is the twice of resistance R 2 resistances, behind conducting resistance R2, assigns to the twice of voltage when the voltage that driver element 2 is assigned to is conducting resistance R1, and therefore, the square wave pulse width that drives IGBT components and parts Q1 and IGBT components and parts Q2 also is original twice.After crossing transformer 9 transformations, high-frequency rectification circuit 10 rectifications and filter circuit 38 filtering, the charging voltage of exporting to storage battery is 24V.The voltage of resistance R 4 sample circuits sends to Single-chip Controlling unit 1 simultaneously, the fixed voltage of Single-chip Controlling unit 1 output is changed into original twice, the twice fixed voltage that the voltage of driver element 2 reception resistance R 4 sample circuits and Single-chip Controlling unit 1 send to driver element 2 in real time compares, when the voltage of circuit during greater than fixed voltage, driver element 2 is not worked, and the electricity of expression storage battery is filled.
Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has more used the terms such as Single-chip Controlling unit 1, driver element 2, EMC3, power converting circuit 4, full-bridge type rectification circuit 5, filter circuit 1, filter circuit 27, filter circuit 38, transformer 9, high-frequency rectification circuit 10, thermostat 11, charactron 12, relay K m, current transformer P, do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (9)
1. intelligent charging machine, it is characterized in that, this intelligent charging machine comprises for civil power being converted to galvanic power circuit, the output of described power circuit is connected with for the charging circuit that alternating current is converted to the required direct current of storage battery and charges a battery, described power circuit output end also is connected with for direct current being converted to alternating current and controlling output AC piezoelectric voltage size and the power control circuit of controlling the power circuit output end break-make, and described power control circuit is connected with according to a voltage selecting circuit that sends the charging voltage signal in two charging voltages of storage battery required charging voltage size selection.
2. intelligent charging machine according to claim 1, it is characterized in that, described voltage selecting circuit comprises selects selector switch K1, resistance R 1, resistance R 2, triode BG and slide rheostat W, the input of described selector switch K1 connects power control circuit, the output one contact resistance R1 of selector switch K1, output two contact resistance R2, described resistance R 1 and resistance R 2 be the collector electrode of connecting triode BG respectively, described slide rheostat W two ends are emitter and the base stage of connecting triode BG respectively, and the base stage of described triode BG also connects power control circuit.
3. intelligent charging machine according to claim 2, it is characterized in that, the voltage sampling circuit of voltage when described power control circuit is connected with for the sampling charge in batteries, described voltage sampling circuit comprises selector switch K2, resistance R 3 and resistance R 4, the input of described selector switch K2 connects power control circuit, the output one contact resistance R3 of selector switch K2, output two contact resistance R4, described selector switch K2 and selector switch K1 interlock make resistance R 1 and resistance R 3 conductings or resistance R 2 and resistance R 4 conductings simultaneously, described resistance R 3 and resistance R 4 are connected with relay (Km), described resistance R 3 is connected an end of the normal open switch that connects respectively relay (Km) with resistance R, the normal open switch other end of described relay (Km) is used for connecting battery positive voltage, and the coil of described relay (Km) connects power control circuit.
4. intelligent charging machine according to claim 3, it is characterized in that, described power control circuit comprises Single-chip Controlling unit (1), IGBT components and parts Q1, IGBT components and parts Q2 and be used for driving and the driver element (2) of control IGBT components and parts Q1 and IGBT components and parts Q2, described Single-chip Controlling unit (1) two-way output connects respectively driver element (2), described Single-chip Controlling unit (1) connects the coil of relay (Km), described Single-chip Controlling unit (1) is connected 2 with driver element) connect respectively selector switch K2, the road output that described Single-chip Controlling unit (1) connects driver element (2) also connects selector switch K1, described driver element (2) also connects respectively the grid of IGBT components and parts Q1 and IGBT components and parts Q2, the source electrode of described IGBT components and parts Q1 connects the drain electrode of IGBT components and parts Q2, and the drain electrode of described IGBT components and parts Q1 is connected the output of power circuit with IGBT components and parts Q2 source electrode.
5. according to claim 2 or 3 or 4 described intelligent charging machines, it is characterized in that, described power circuit comprises EMC(3), be used for changing the power converting circuit (4) of line voltage size, full-bridge type rectification circuit (5) and filter circuit one (6), described full-bridge type rectification circuit (5) passes through EMC(3) the connection civil power, described full-bridge type rectification circuit (5) connects filter circuit one (6), described filter circuit one (6) connects the drain electrode of IGBT components and parts Q1 and the source electrode of IGBT components and parts Q2, described power converting circuit (4) connects full-bridge type rectification circuit (5), and described power converting circuit (4) also connects Single-chip Controlling unit (1) and driver element (2).
6. intelligent charging machine according to claim 5, it is characterized in that, described charging circuit comprises transformer (9), filter circuit two (7), high-frequency rectification circuit (10) and the filter circuit three (8) that is connected connecting battery terminal negative, described filter circuit two (7) connects respectively the drain electrode of source electrode and the IGBT components and parts Q2 of IGBT components and parts Q1, described filter circuit two (7) is also distinguished the elementary and filter circuit one (6) of connection transformer (9), the secondary connection high-frequency rectification circuit (10) of described transformer (9), described high-frequency rectification circuit (10) connects filter circuit three (8), and the end that the normal open switch contact resistance R3 of described relay (Km) is connected with resistance R also connects filter circuit three (8).
7. intelligent charging machine according to claim 6 is characterized in that, described driver element (2) also is connected with the thermostat (11) that driver element (2) is not transmitted control signal for detection of circuit temperature and when temperature is excessive.
8. intelligent charging machine according to claim 7, it is characterized in that, described Single-chip Controlling unit (1) also is connected with current transformer (P), and described current transformer (P) is arranged on the connecting line of drain electrode that filter circuit two (7) connects the source electrode of IGBT components and parts Q1 and IGBT components and parts Q2.
9. intelligent charging machine according to claim 8 is characterized in that, described Single-chip Controlling unit (1) also is connected with for the charactron (12) that shows charging real-time voltage and electric current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220524380 CN202817867U (en) | 2012-10-11 | 2012-10-11 | Intelligent charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220524380 CN202817867U (en) | 2012-10-11 | 2012-10-11 | Intelligent charger |
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| Publication Number | Publication Date |
|---|---|
| CN202817867U true CN202817867U (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220524380 Expired - Fee Related CN202817867U (en) | 2012-10-11 | 2012-10-11 | Intelligent charger |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103929102A (en) * | 2013-04-17 | 2014-07-16 | 济南田中工贸有限公司 | Variable-frequency input inversion type direct-current motor driving controller |
| CN104899171A (en) * | 2014-03-03 | 2015-09-09 | 英飞凌科技奥地利有限公司 | Interface Circuits for USB and Lighting Applications |
-
2012
- 2012-10-11 CN CN 201220524380 patent/CN202817867U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103929102A (en) * | 2013-04-17 | 2014-07-16 | 济南田中工贸有限公司 | Variable-frequency input inversion type direct-current motor driving controller |
| CN103929102B (en) * | 2013-04-17 | 2017-01-11 | 济南亚特伦特机械科技有限公司 | Variable-frequency input inversion type direct-current motor driving controller |
| CN104899171A (en) * | 2014-03-03 | 2015-09-09 | 英飞凌科技奥地利有限公司 | Interface Circuits for USB and Lighting Applications |
| US9853553B2 (en) | 2014-03-03 | 2017-12-26 | Infineon Technologies Austria Ag | Interface circuits for USB and lighting applications |
| CN104899171B (en) * | 2014-03-03 | 2019-01-22 | 英飞凌科技奥地利有限公司 | USB and the interface circuit for the application that shines |
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