CN202059203U - Half-wave pulse temperature control charger - Google Patents
Half-wave pulse temperature control charger Download PDFInfo
- Publication number
- CN202059203U CN202059203U CN2011201403745U CN201120140374U CN202059203U CN 202059203 U CN202059203 U CN 202059203U CN 2011201403745 U CN2011201403745 U CN 2011201403745U CN 201120140374 U CN201120140374 U CN 201120140374U CN 202059203 U CN202059203 U CN 202059203U
- Authority
- CN
- China
- Prior art keywords
- resistance
- diode
- circuit
- charging
- voltage comparator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a half-wave pulse temperature control charger for charging a used a lead-acid storage battery of an electrocar, and aims at solving the technical problem that the charger can lower the power consumption of the charger, the charging voltage can be automatically regulated according to environment temperature, and the characteristic of polarization generated in the charging process of he storage battery can be eliminated. The technical scheme is as follows: the half-wave pulse temperature control charger consists of a shell and a charging circuit, and is characterized in that the charging circuit comprises a charging current limit circuit, a rectification circuit, a charging voltage control circuit and an electric shock protection circuit, the input end of the charging current limit circuit is connected with an alternating current, the output end of the charging current limit circuit is connected with the input end of the rectification circuit, the output end of the rectification circuit is used for charging the lead-acid storage battery of the electrocar, and the charging voltage control circuit is used for detecting the environment temperature through a temperature sensor so as to control the current output of the rectification circuit according to the detection result.
Description
Technical field
The utility model relates to a kind of battery charger, is specifically related to a kind of half-wave pulse temperature control charger that lead-acid battery of electric vehicle uses the back boost charge that is used for.
Background technology
Existing lead-acid battery of electric vehicle charger mostly is the switch power supply type charger, adopts constant current, constant voltage, constant voltage tiny stream to fill three stage charge modes usually.Owing to internal resistance is all arranged, when field effect transistor or transistor conducting again because charging current is bigger, so power loss is big; And because the voltage of lead acid accumulator has the characteristic of 1 ℃ of about 4mv of decline of the every rising of temperature, therefore, the constant voltage charge pattern can make storage battery overcharge when summer, owes during winter to fill, and overcharges and owe to fill to cause storage battery dehydration and sulfation; Electrochemical polarization that constant current charge produces when then being unfavorable for eliminating charge in batteries and concentration polarization, and gassing rate and temperature rise are raise.
Summary of the invention
The purpose of this utility model is the deficiency that overcomes in the above-mentioned background technology, a kind of half-wave pulse temperature control charger is provided, this charger can reduce the power loss of charger itself, charging voltage can be aligned automatically according to ambient temperature, and can eliminate the polarization that produces in the battery charging process.
For realizing above purpose, the utility model has adopted following technical scheme:
Half-wave pulse temperature control charger is made up of housing and charging circuit, it is characterized in that: described charging circuit comprises that charging current limits circuit, rectification circuit, charging voltage control circuit and electrical shock protection circuit; Described charging current limits the input termination alternating current of circuit, the input of output termination rectification circuit, the output of rectification circuit charges to lead-acid battery of electric vehicle, described charging voltage control circuit passes through temperature sensor testing environment temperature, and exports according to the electric current of testing result control rectification circuit.
Described charging current limits the input of circuit by plug PL incoming transport, after two output lines of plug PL pass zero sequence current mutual inductor TA0, wherein an output line divides two tunnel: one tunnel normally opened contact through relay K 1 to connect the end of capacitor C1 behind fuse F, another road connects the end of capacitor C2, and the other end of capacitor C1, C2 merges the input that rectification circuit is inserted in the back.
Described rectification circuit is a half-wave rectifying circuit, this circuit comprises mutual diode in series D1, D2, described capacitor C 1 and C2 merge the back and insert between diode D1, the D2, another root output line of plug PL connects the anodal of diode D2 and through the normally opened contact ground connection of relay K 2, the negative pole of diode D1 connects the anode of accessory power outlet SK, socket SK grafting storage battery through the normally opened contact of relay K 3; The positive pole of the positive terminating diode D5 of socket SK, the negative pole of diode D5 is through resistance R 5, voltage-stabiliser tube VS ground connection.
Described charging voltage control circuit comprises voltage comparator A1, A2; The in-phase input end of described voltage comparator A1 is in regular turn by resistance R 6, temperature sensor ground connection, and the in-phase input end of voltage comparator A1 also is connected with the negative pole of voltage-stabiliser tube VS by resistance R 14, R13; The negative pole of described diode D5 is through resistance R 7, R8 ground connection, the output of voltage comparator A1 is divided into two-way, one the tunnel connects its in-phase input end through resistance R 9, another road connects the base stage of triode VT1 after resistance R 10 and R11 dividing potential drop, the collector electrode of triode VT1 is connected with the negative pole of diode D5 through coil, the resistance R 12 of relay K 1 in regular turn, the two ends of resistance R 12 are parallel with capacitor C 6, and the coil two ends of relay K 1 are parallel with diode D7, the grounded emitter of triode VT1; The negative pole of described diode D5 is through resistance R 15, R16 ground connection, the output of voltage comparator A2 is divided into two-way, one the tunnel connects the in-phase input end of voltage comparator A2 through resistance R 17, another road connects the base stage of triode VT2 after resistance R 18, R19 dividing potential drop, the collector electrode of triode VT2 is in regular turn through the coil of relay K 2, K3, the negative pole that resistance R 20 meets diode D5, the coil two ends of described relay K 2, K3 are parallel with diode D8, the two ends of resistance R 20 are parallel with capacitor C 8, the grounded emitter of triode VT2.
Described electrical shock protection circuit comprises voltage comparator A3, amplifier A4, the in-phase input end of amplifier A4 divides three the tunnel, the resistance R 21 of leading up to connects the negative pole of voltage-stabiliser tube VS, another road is by resistance R 22 ground connection, also have one the tunnel to be connected with the inverting input of voltage comparator A3, the inverting input of amplifier A4 is by resistance R 23, the end of capacitor C 3 connecting to neutral preface current transformer TA0, the other end ground connection of zero sequence current mutual inductor TA0, the output of amplifier A4 divides two-way, one the tunnel connects the inverting input of amplifier A4 through resistance R 24, and another road connects the in-phase input end of voltage comparator A3 through diode D9 and resistance R 26; The negative pole of diode D5 inserts between diode D9 and the resistance R 26 through resistance R 27, the output of voltage comparator A3 is divided into two-way, one the tunnel connects the inverting input of voltage comparator A2 through diode D11, and another road is inserted between diode D9 and the resistance R 26 through the photoelectric tube of diode D10, photoelectrical coupler PC; The output line of plug PL is through another root output line of the luminous tube plug PL of the normally-closed contact of fuse F, relay K 1, double color luminotron VL1, diode D3, resistance R 3, photoelectrical coupler PC.
Described temperature sensor is temp .-sensitive diodes D6.
Operation principle of the present utility model is: the utility model is a kind of lead-acid battery of electric vehicle charger, limit the size of charging current with the capacitive reactance of capacitor C 1, C2, control the stepping and the break-make of charging current with relay K 1, K2, K3, charging current path power loss is little; AC power through the capacitive reactance current limliting of electric capacity, through diode D1, D2 halfwave rectifier, change the interruption pulsating direct current electric current of 50HZ into, to lead acid battery charge, when negative half-wave, stop to fill and discharge process the polarization that produces when helping eliminating charging in addition; Charging divides two stages, detects cell voltage and control relay by the cell voltage control circuit, and the cell voltage control circuit also is controlled by ambient temperature, makes that lead acid accumulator does not overcharge hot day, cold day is not owed to fill.
The beneficial effects of the utility model are: the utility model is compared with existing lead acid batteries charger, have the advantages that the charging current main circuit structure is simple, power loss is low, and electrochemical polarization that produces when pulse current charge helps eliminating charge in batteries and concentration polarization, in addition, charging voltage of the present utility model can be aligned automatically according to ambient temperature, makes that lead acid accumulator does not overcharge hot day, cold day is not owed to fill.
Description of drawings
Fig. 1 is an operation principle schematic diagram of the present utility model.
Fig. 2 is the circuit theory schematic diagram of charging circuit in the utility model.
Embodiment
Below in conjunction with Figure of description, the utility model is described in further detail, but the utility model is not limited to following examples.
As shown in Figure 1 and Figure 2, half-wave pulse temperature control charger described in the utility model is made up of housing and charging circuit, and is clean and tidy for making drawing, and the figure middle shell is omitted not to be drawn; Described charging circuit comprises that charging current limits circuit 1, rectification circuit 2, charging voltage control circuit 4 and electrical shock protection circuit, and described charging circuit comprises that charging current limits circuit, rectification circuit, charging voltage control circuit and electrical shock protection circuit; Described charging current limits the input termination alternating current of circuit, the input of output termination rectification circuit, the output of rectification circuit charges to lead-acid battery of electric vehicle, described charging voltage control circuit passes through temperature sensor 3 testing environment temperature, and exports according to the electric current of testing result control rectification circuit.The circuit structure of each circuit is as follows.
Charging current limits circuit: after AC power is passed zero sequence current mutual inductor TA0 by plug PL, wherein an output line divides two tunnel: one tunnel normally opened contact through relay K 1 to connect an end of capacitor C1 (being parallel with resistance R 1) through fuse F, another road connects an end of capacitor C2 (being parallel with resistance R 2), connects the input of rectification circuit after the other end of capacitor C 1, C2 merges.
Rectification circuit: this rectification circuit is a half-wave rectifying circuit, comprise mutual diode in series D1, D2, between diode D1, the D2 with merge after capacitor C 1, C2 be connected, another root output line of plug PL connects the anodal of diode D2 and through the normally opened contact ground connection of relay K 2, the negative pole of diode D1 connects the anode of accessory power outlet SK through the normally opened contact of relay K 3, connecting between relay K 2 normally-closed contacts and relay K 3 normally-closed contacts diode D4, resistance R 4 and luminous tube VL2, socket SK meets storage batteries D C through the battery case plug; The anode of socket SK is through diode D5, resistance R 5, voltage-stabiliser tube VS ground connection, the negativing ending grounding of socket SK.
Charging voltage control circuit: comprise voltage comparator A1, A2; The in-phase input end of described voltage comparator A1 is in regular turn by resistance R 6, temperature sensor (the utility model is selected temp .-sensitive diodes D6 for use) ground connection, and the in-phase input end of voltage comparator A1 also is connected (two ends of voltage-stabiliser tube VS are parallel with capacitor C 4) by resistance R 14, R13 with the negative pole of voltage-stabiliser tube VS; The negative pole of described diode D5 is through resistance R 7, R8 ground connection, resistance R 7, connect the inverting input (inverting input of voltage comparator A1 is by capacitor C 5 ground connection) of voltage comparator A1 between the R8, the output of voltage comparator A1 is divided into two-way, one the tunnel connects its in-phase input end through resistance R 9, another road connects the base stage (base stage that is triode VT1 is connected between resistance R 10 and the R11) of triode VT1 after resistance R 10 and R11 dividing potential drop, the collector electrode of triode VT1 is in regular turn through the coil of relay K 1, resistance R 12 is connected with the negative pole of diode D5, the two ends of resistance R 12 are parallel with capacitor C 6, the coil two ends of relay K 1 are parallel with diode D7, the grounded emitter of triode VT1; The negative pole of described diode D5 is through resistance R 15, R16 ground connection, resistance R 15, connect the inverting input (inverting input of voltage comparator A2 is also by capacitor C 7 ground connection) of voltage comparator A2 between the R16, connect the in-phase input end of voltage comparator A2 between described resistance R 13 and the R14, the output of voltage comparator A2 is divided into two-way, one the tunnel connects the in-phase input end of voltage comparator A2 through resistance R 17, another road is through resistance R 18, connect the base stage of triode VT2 after the R19 dividing potential drop, the collector electrode of triode VT2 is in regular turn through relay K 2, the coil of K3, resistance R 20 connects the negative pole of diode D5, described relay K 2, the coil series connection back of K3 is in parallel with diode D8, the two ends of resistance R 20 are parallel with capacitor C 8, the grounded emitter of triode VT2.
Electrical shock protection circuit: though the utility model is by capacitor C 1, the capacitive reactance of C2 limits charging current, power consumption is less, but do not have transformer isolation during charging between socket SK and the plug PL, therefore the utility model is provided with the electrical shock protection circuit, when electric leakage occurring or getting an electric shock, can cut off voltage output rapidly, this electrical shock protection circuit comprises voltage comparator A3, amplifier A4, the in-phase input end of amplifier A4 divides three the tunnel, the resistance R 21 of leading up to connects the negative pole of voltage-stabiliser tube VS, another road is by resistance R 22 ground connection, also have one the tunnel to be connected with the inverting input of voltage comparator A3, the inverting input of amplifier A4 is by resistance R 23, the end of capacitor C 3 connecting to neutral preface current transformer TA0, the other end ground connection of zero sequence current mutual inductor TA0, the output of amplifier A4 divides two-way, one the tunnel connects the inverting input of amplifier A4 through resistance R 24, another road connects the in-phase input end (by resistance R 25 ground connection, passing through capacitor C 9 ground connection between the in-phase input end of resistance R 26 and voltage comparator A3 between diode D9 and the resistance R 26) of voltage comparator A3 through diode D9 and resistance R 26; The negative pole of diode D5 inserts between diode D9 and the resistance R 26 through resistance R 27, the output of voltage comparator A3 is divided into two-way, one the tunnel connects the inverting input of voltage comparator A2 through diode D11, and another road is inserted between diode D9 and the resistance R 26 through the photoelectric tube of diode D10, photoelectrical coupler PC; The minus earth of the luminous tube of described photoelectrical coupler PC, positive pole is connected with the contact of described relay K 1 by resistance R 3, diode D3, double color luminotron VL in regular turn.
The voltage of monomer lead acid accumulator has the characteristic of 1 ℃ of about 4mv of decline of the every rising of temperature, the voltage of temp .-sensitive diodes has the characteristic of 1 ℃ of about 2mV of decline of the every rising of temperature, therefore, with the stabilized voltage power supply of voltage-stabiliser tube through resistance R 13, R14, after R6 and the temp .-sensitive diodes dividing potential drop, insert voltage comparator A1, (wherein resistance R 13 for the in-phase input end of A2, connect the in-phase input end of voltage comparator A2 between the resistance R 14, connect the in-phase input end of voltage comparator A1 between resistance R 14 and the resistance R 6), with the voltage of storage battery through resistance R 7, R8, R15, insert voltage comparator A1 after the R16 dividing potential drop, (divider resistance of voltage comparator A1 is a resistance R 7 to the inverting input of A2, R8, the divider resistance of voltage comparator A2 are resistance R 15, R16).When the voltage of inverting input was lower than in-phase input end, voltage comparator A1, A2 exported high level, made triode VT1 and VT2 conducting, and relay K 1, K2, K3 adhesive begin charging; When storage battery was full of, the voltage of inverting input was higher than the reference voltage of in-phase input end, and voltage comparator A1 and A2 output low level are ended triode, and relay discharges, and stopped charging.Relay K 1 is used for the charging current stepping, and relay K 2, K3 are used for charging current break-make and electrical shock protection and anti-battery polar reverse connecting protection; Temp .-sensitive diodes is installed in the place that not influenced by charger self temperature rise.
The equal buyable of all components and parts described in the utility model obtains.
Claims (6)
1. half-wave pulse temperature control charger is made up of housing and charging circuit, it is characterized in that: described charging circuit comprises that charging current limits circuit (1), rectification circuit (2), charging voltage control circuit (4) and electrical shock protection circuit; Described charging current limits the input termination alternating current of circuit, the input of output termination rectification circuit, the output of rectification circuit charges to lead-acid battery of electric vehicle, described charging voltage control circuit passes through temperature sensor (3) testing environment temperature, and exports according to the electric current of testing result control rectification circuit.
2. half-wave pulse temperature control charger according to claim 1, it is characterized in that: described charging current limits the input of circuit by plug PL incoming transport, after two output lines of plug PL pass zero sequence current mutual inductor TA0, wherein an output line divides two tunnel: one tunnel normally opened contact through relay K 1 to connect the end of capacitor C1 behind fuse F, another road connects the end of capacitor C2, and the other end of capacitor C1, C2 merges the input that rectification circuit is inserted in the back.
3. half-wave pulse temperature control charger according to claim 2, it is characterized in that: described rectification circuit is a half-wave rectifying circuit, this circuit comprises mutual diode in series D1, D2, described capacitor C 1 and C2 merge the back and insert between diode D1, the D2, another root output line of plug PL connects the anodal of diode D2 and through the normally opened contact ground connection of relay K 2, the negative pole of diode D1 connects the anode of accessory power outlet SK through the normally opened contact of relay K 3, and socket SK connects storage battery; The positive pole of the positive terminating diode D5 of socket SK, the negative pole of diode D5 is through resistance R 5, voltage-stabiliser tube VS ground connection.
4. half-wave pulse temperature control charger according to claim 3, it is characterized in that: described charging voltage control circuit comprises voltage comparator A1, A2; The in-phase end of described voltage comparator A1 is in regular turn by resistance R 6, temperature sensor ground connection, and the in-phase end of voltage comparator A1 also is connected with the negative pole of voltage-stabiliser tube VS by resistance R 14, R13; The negative pole of described diode D5 is through resistance R 7, R8 ground connection, the output of voltage comparator A1 is divided into two-way, one the tunnel connects its in-phase end through resistance R 9, another road connects the base stage of triode VT1 after resistance R 10 and R11 dividing potential drop, the collector electrode of triode VT1 is connected with the negative pole of diode D5 through coil, the resistance R 12 of relay K 1 in regular turn, the two ends of resistance R 12 are parallel with capacitor C 6, and the coil two ends of relay K 1 are parallel with diode D7, the grounded emitter of triode VT1; The negative pole of described diode D5 is through resistance R 15, R16 ground connection, the output of voltage comparator A2 is divided into two-way, one the tunnel connects the in-phase end of voltage comparator A2 through resistance R 17, another road connects the base stage of triode VT2 after resistance R 18, R19 dividing potential drop, the collector electrode of triode VT2 is in regular turn through the coil of relay K 2, K3, the negative pole that resistance R 20 meets diode D5, the coil two ends of described relay K 2, K3 are parallel with diode D8, the two ends of resistance R 20 are parallel with capacitor C 8, the grounded emitter of triode VT2.
5. half-wave pulse temperature control charger according to claim 4, it is characterized in that: described electrical shock protection circuit comprises voltage comparator A3, amplifier A4, the in-phase end of amplifier A4 divides three the tunnel, the resistance R 21 of leading up to connects the negative pole of voltage-stabiliser tube VS, another road is by resistance R 22 ground connection, also have one the tunnel to be connected with the backward end of voltage comparator A3, the end of oppisite phase of amplifier A4 is by resistance R 23, the end of capacitor C 3 connecting to neutral preface current transformer TA0, the other end ground connection of zero sequence current mutual inductor TA0, the output of amplifier A4 divides two-way, one the tunnel connects the end of oppisite phase of amplifier A4 through resistance R 24, and another road connects the in-phase end of voltage comparator A3 through diode D9 and resistance R 26; The negative pole of diode D5 inserts between diode D9 and the resistance R 26 through resistance R 27, the output of voltage comparator A3 is divided into two-way, one the tunnel connects the end of oppisite phase of voltage comparator A2 through diode D11, and another road is inserted between diode D9 and the resistance R 26 through the photoelectric tube of diode D10, photoelectrical coupler PC; The output line of plug PL is through another root output line of the luminous tube plug PL of the normally-closed contact of fuse F, relay K 1, double color luminotron VL1, diode D3, resistance R 3, photoelectrical coupler PC.
6. half-wave pulse temperature control charger according to claim 5 is characterized in that: described temperature sensor is temp .-sensitive diodes D6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201403745U CN202059203U (en) | 2011-04-29 | 2011-04-29 | Half-wave pulse temperature control charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201403745U CN202059203U (en) | 2011-04-29 | 2011-04-29 | Half-wave pulse temperature control charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202059203U true CN202059203U (en) | 2011-11-30 |
Family
ID=45019167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201403745U Expired - Fee Related CN202059203U (en) | 2011-04-29 | 2011-04-29 | Half-wave pulse temperature control charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202059203U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108039762A (en) * | 2018-01-12 | 2018-05-15 | 李雅柔 | The empty electric circuit of anti-battery in artificial intelligence charging battery of electric vehicle |
-
2011
- 2011-04-29 CN CN2011201403745U patent/CN202059203U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108039762A (en) * | 2018-01-12 | 2018-05-15 | 李雅柔 | The empty electric circuit of anti-battery in artificial intelligence charging battery of electric vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203645398U (en) | Regulation and control device capable of realizing complementation usage between solar power and commercial power | |
| CN205051931U (en) | LED's drive power supply | |
| CN204206069U (en) | A kind of solar mobile power box | |
| CN102013724A (en) | Solar energy and commercial power complementary power supply | |
| CN202678988U (en) | Intelligent power supply control system | |
| CN104882742B (en) | Intelligent charging socket | |
| CN105207332B (en) | Electric car charger intelligent control circuit | |
| CN202059203U (en) | Half-wave pulse temperature control charger | |
| CN104734326A (en) | Solar power supply and mains supply complementary usage regulation and control device | |
| CN205986253U (en) | Electric motor car battery charger's auto -power -off circuit | |
| CN203233223U (en) | Electric bicycle charging device with function of time-delay power-off | |
| CN202127240U (en) | Overcharging and over-discharging protection circuit of lithium battery | |
| CN204928247U (en) | Charging system is switched to solar energy intelligence | |
| CN204391868U (en) | Self-disconnecting charging circuit | |
| CN106160122A (en) | A kind of automatic power-off circuit of electromobile battery charger | |
| CN203135502U (en) | Portable solar mobile power supply | |
| CN113659673A (en) | Quick charging and grid-connected connecting device based on energy storage power supply and working method thereof | |
| CN103117584A (en) | Portable solar mobile power supply | |
| CN203746162U (en) | Mobile phone and electric bicycle charging device used in cooperation with vending machine | |
| CN103312025A (en) | Intelligent power supply control system | |
| CN206575190U (en) | A kind of charger automatically powered off | |
| CN208656447U (en) | High-tension battery packet charging circuit | |
| CN207504604U (en) | Maximum current charging circuit may be selected | |
| CN203368109U (en) | Detection circuit for lithium battery charger | |
| CN104362708A (en) | Device for detecting mobile phone charging |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HANGZHOU CHUANGMEI INDUSTRY CO., LTD. Free format text: FORMER OWNER: YU WEILIN Effective date: 20120601 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 311301 HANGZHOU, ZHEJIANG PROVINCE TO: 311300 HANGZHOU, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120601 Address after: 311300, Zhejiang City, Ling'an Province Kam Street South City dock Village Patentee after: Hangzhou Chuangmei Industry Co., Ltd. Address before: 311301, Xu Jia 33, Linglong Town, Zhejiang, Ling'an Patentee before: Yu Weilin |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111130 Termination date: 20140429 |