CN105186664B - A kind of vehicle power supply - Google Patents

A kind of vehicle power supply Download PDF

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Publication number
CN105186664B
CN105186664B CN201510407176.3A CN201510407176A CN105186664B CN 105186664 B CN105186664 B CN 105186664B CN 201510407176 A CN201510407176 A CN 201510407176A CN 105186664 B CN105186664 B CN 105186664B
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China
Prior art keywords
power
unit
power supply
output
housing
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CN201510407176.3A
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CN105186664A (en
Inventor
李晓卿
贺亮
郑强
赵莉莉
孟丹
崔俊峰
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State Grid Corp of China SGCC
Shuozhou Power Supply Co of State Grid Shanxi Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Shuozhou Power Supply Co of State Grid Shanxi Electric Power Co Ltd
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Priority to CN201510407176.3A priority Critical patent/CN105186664B/en
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Abstract

A kind of vehicle power supply of the present invention belongs to the technical field of vehicle power supply;Technical problem to be solved is:There is provided it is a kind of relatively low in vehicle accumulator voltage, can be to vehicle power supply that electronic equipment charges;The technical solution used for:A kind of vehicle power supply, including housing and the power-switching circuit plate for being arranged at enclosure interior, the power-switching circuit plate includes:Charging control unit, rechargeable cell, inversion unit, under-voltage protection unit, DC power supply output unit and AC power output unit;The front panel of the housing is equipped with solar panels, and the right panel of the housing is equipped with power switch, USB power source output port and ac power output mouth, and the Left-Hand Panel of the housing is equipped with battery capacity display lamp;Suitable for electric system.

Description

A kind of vehicle power supply
Technical field
A kind of vehicle power supply of the present invention belongs to the technical field of vehicle power supply.
Background technology
During electric inspection process, to ensure efficient, the reliability of electric operating process, electric operating personnel would generally make The field condition during inspection is recorded with electronic equipments such as logging, electric power mobile job-oriented terminals, and passes through electronics Equipment carries out data transmission with electric power background server, solves the problems, such as in time all kinds of in operation process;Then, in above-mentioned operation In the process, since operating environment is mostly field depopulated zone, it will usually occur since electric quantity for electronic equipment is low so that can not be showed The problem of field data gathers greatly hinders the work efficiency of operating personnel.
It can not work to solve the problem of that electric quantity for electronic equipment is low, electric power enterprise would generally utilize vehicle power supply to electronics Equipment charge, however, current vehicle power supply is generally by the power input interface of vehicle power supply and automobile cigarette lighter or electricity Bottle is attached, to obtain electricity;The problem of this method, is, in the case where automobile storage battery voltage is relatively low, to ensure automobile Normally travel, it is necessary to interrupt the power consumption of external loading equipment so that can not be the electricity that must use during electric operating The carry out electricity supply of sub- equipment, makes troubles to on-site personnel.
The content of the invention
The present invention overcomes the shortcomings of the prior art, and technical problem to be solved is:One kind is provided in vehicle accumulator It, can be to vehicle power supply that electronic equipment charges in the case of voltage is relatively low.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is:
A kind of vehicle power supply, including housing and the power-switching circuit plate for being arranged at enclosure interior, the power supply conversion electricity Road plate includes:Charging control unit, rechargeable cell, inversion unit, under-voltage protection unit, DC power supply output unit and AC power output unit;The front panel of the housing is equipped with solar panels, and the right panel of the housing is equipped with power supply Switch, USB power source output port and ac power output mouth, the Left-Hand Panel of the housing are shown equipped with battery capacity Lamp;The output terminal of the solar panels is connected by charging control unit with the input terminal of rechargeable cell, described to fill Input terminal of the output terminal and power switch of electric battery unit with the inversion unit is connected, the rechargeable cell Power detecting end is connected with the input terminal of the under-voltage protection unit;The output terminal of the inversion unit is defeated with DC power supply respectively Go out the input terminal of unit, the input terminal of AC power output unit is connected, the output terminal of the DC power supply output unit with USB power source output port is connected, and the AC power output unit is connected with ac power output mouth, the under-voltage protection list The output terminal of member is connected with battery capacity display lamp.
In the present invention, the power-switching circuit plate further includes:Positive pole input adapter A1 and power cathode input connect Head A2, is additionally provided with positive pole input interface and power cathode input interface on the Left-Hand Panel of the housing, the power supply is just Pole input adapter A1 and power cathode input adapter A2 are connected respectively with inversion unit, the positive pole input interface and power supply Anode input adapter A1 is connected, and the power cathode input interface is connected with power cathode input adapter A2.
The charging control unit includes:First sampling unit, the second sampling unit, CPU processing units, A/D converter, DC/DC converters, diode D1, transistor T1 and capacitance C1;
The input terminal of first sampling unit is connected with the current signal test side of the solar panels, and described first adopts The output terminal of sample unit is connected by A/D converter with the first signal input part of CPU processing units, the CPU processing units Secondary signal input terminal be connected by the second sampling unit with the voltage signal test side of rechargeable cell, the CPU The control terminal of processing unit is connected with the source level of transistor T1, and the grid of the transistor T1 is connected with the cathode of diode D1, The anode of the diode D1 is connected with the output terminal of solar panels, and the drain of the transistor T1 passes through sequentially connected capacitance C1 and DC/DC converters are connected with the input terminal of rechargeable cell.
The present invention has the advantages that compared with prior art:
1st, the present invention includes:Housing and the power-switching circuit plate for being arranged at enclosure interior, the power-switching circuit plate Including:It charging control unit, rechargeable cell, inversion unit, under-voltage protection unit, DC power supply output unit and exchanges Power output unit;The front panel of the housing is equipped with solar panels, the right panel of the housing be equipped with power switch, USB power source output port and ac power output mouth, the Left-Hand Panel of the housing are equipped with battery capacity display lamp;It is described The output terminal of solar panels is connected by charging control unit with the input terminal of rechargeable cell, the rechargeable battery list Input terminal of the output terminal and power switch of member with the inversion unit is connected, the power detecting of the rechargeable cell End is connected with the input terminal of the under-voltage protection unit;The output terminal of the inversion unit respectively with DC power supply output unit Input terminal, the input terminal of AC power output unit are connected, and the output terminal and USB power source of the DC power supply output unit are defeated Exit port is connected, and the AC power output unit is connected with ac power output mouth, the output of the under-voltage protection unit End is connected with battery capacity display lamp;In use, opening the power switch being located in housing right panel, being in the present invention can Rechargeable battery cell power supply state can be that the electricity of external electronic device supplies by solar panels and rechargeable cell There is provided new energy form so that in the case where vehicle accumulator voltage is relatively low, can also be that external electronic device charges, carry The high reliability of field operation equipment.
2nd, power-switching circuit plate of the present invention includes:Positive pole input adapter A1 and power cathode input adapter A2, institute State and positive pole input interface and power cathode input interface be additionally provided on the Left-Hand Panel of housing, when rechargeable battery electricity compared with When low, operating personnel may be selected by positive pole input interface and the cigar lighter of power cathode input interface and vehicle outlet or Automobile storage battery connects, and charges to electronic equipment, and as the supplementary form of vehicle power supply electricity, improve field operation can By property.
3rd, the present invention includes USB power source output port and ac power output mouth, and operating personnel can be according to field operation Electronic equipment charging connector, flexibly select output port of power source, it is convenient to charge for each class of electronic devices.
Description of the drawings
The present invention will be further described in detail below in conjunction with the accompanying drawings.
Fig. 1 is the electrical block diagram of the present invention;
Fig. 2 is the electrical block diagram of charging control unit in the present invention;
Fig. 3 is the external structure schematic diagram of the present invention;
Fig. 4 is the internal structure schematic diagram of the present invention;
In figure:1 is housing, and 2 be power-switching circuit plate, and 3 be charging control unit, and 4 be rechargeable cell, and 5 be inverse Become unit, 6 be under-voltage protection unit, and 7 be DC power supply output unit, and 8 be AC power output unit, and 9 be power switch, 10 It is ac power output mouth for USB power source output port, 11,12 be battery capacity display lamp, and 13 be solar panels, and 14 be electricity Source anode input interface, 15 be power cathode input interface, and 16 be the first sampling unit, and 17 be the second sampling unit, and 18 be CPU Processing unit, 19 be A/D converter, and 20 be DC/DC converters.
Specific embodiment
A kind of vehicle power supply, including housing 1 and the power-switching circuit plate 2 being arranged inside housing 1, the power supply conversion Circuit board 2 includes:Charging control unit 3, rechargeable cell 4, inversion unit 5, under-voltage protection unit 6, DC power supply are defeated Go out unit 7 and AC power output unit 8;The front panel of the housing 1 is equipped with solar panels 13, the right side of the housing 1 Panel is equipped with power switch 9, USB power source output port 10 and ac power output mouth 11, the Left-Hand Panel of the housing 1 It is equipped with battery capacity display lamp 12;The output terminal of the solar panels 13 passes through charging control unit 3 and rechargeable battery list The input terminal of member 4 is connected, the input of the output terminal and power switch 9 of the rechargeable cell 4 with the inversion unit 5 End is connected, and the power detecting end of the rechargeable cell 4 is connected with the input terminal of the under-voltage protection unit 6;It is described inverse The output terminal for becoming unit 5 is homogeneous with the input terminal of the input terminal of DC power supply output unit 7, AC power output unit 8 respectively Even, the output terminal of the DC power supply output unit 7 is connected with USB power source output port 10, the AC power output unit 8 It is connected with ac power output mouth 11, the output terminal of the under-voltage protection unit 6 is connected with battery capacity display lamp 12;It uses When, the power switch 9 being located in housing right panel is opened, the present invention is made to pass through in 4 power supply state of rechargeable cell Solar panels 13 and rechargeable cell 4 can supply for the electricity of external electronic device and provide new energy form so that In the case that vehicle accumulator voltage is relatively low, it can also be that external electronic device charges, improve the reliable of field operation equipment Property.
Specifically, the power-switching circuit plate 2 further includes:Positive pole input adapter A1 and power cathode input adapter A2 is additionally provided with positive pole input interface 14 and power cathode input interface 15, the power supply on the Left-Hand Panel of the housing 1 Anode input adapter A1 and power cathode input adapter A2 are connected respectively with inversion unit 5, the positive pole input interface 14 It is connected with positive pole input adapter A1, the power cathode input interface 15 is connected with power cathode input adapter A2;This hair It is bright in use, when 4 electricity of rechargeable cell is relatively low, operating personnel may be selected through positive pole input interface 14 and electricity Cigar lighter outlet or automobile storage battery of the source cathode input interface 15 with vehicle are directly connected to, and are charged to electronic equipment, as The supplementary form of vehicle power supply electricity further improves the reliability of field operation.
Further, the charging control unit 3 includes:First sampling unit 16, the second sampling unit 17, CPU processing Unit 18, A/D converter 19, DC/DC converters 20, diode D1, transistor T1 and capacitance C1;First sampling unit 16 Input terminal be connected with the current signal test side of the solar panels 13, the output terminal of first sampling unit 16 passes through A/ D converters 19 are connected with the first signal input part of CPU processing units 18, the secondary signal input of the CPU processing units 18 End is connected by the second sampling unit 17 with the voltage signal test side of rechargeable cell 4, the CPU processing units 18 Control terminal is connected with the source level of transistor T1, and the grid of the transistor T1 is connected with the cathode of diode D1, the diode The anode of D1 is connected with the output terminal of solar panels 13, and the drain of the transistor T1 passes through sequentially connected capacitance C1 and DC/ DC converters 20 are connected with the input terminal of rechargeable cell 4.
A kind of vehicle power supply of the present invention, provides a kind of relatively low in vehicle accumulator voltage, and electronic equipment can be carried out The vehicle power supply of charging has prominent substantive distinguishing features and significant progress, above in conjunction with attached drawing to the embodiment of the present invention It is explained in detail, but the present invention is not limited to above-described embodiment, in the knowledge model that those of ordinary skill in the art possess It, can also various changes can be made on the premise of present inventive concept is not departed from enclosing.

Claims (1)

1. a kind of vehicle power supply, it is characterised in that:
Be included in vehicle accumulator voltage it is relatively low in the case of, a kind of vehicle power supply charges for external electronic device;
Work as rechargeable cell(4)When electricity is relatively low, operating personnel may be selected through positive pole input interface(14)And electricity Source cathode input interface(15)Cigar lighter outlet or automobile storage battery with vehicle are directly connected to, and are charged to electronic equipment;
A kind of vehicle power supply includes housing(1)Be arranged at housing(1)Internal power-switching circuit plate(2), the power supply turn Change circuit board(2)Including:Charging control unit(3), rechargeable cell(4), inversion unit(5), under-voltage protection unit (6), DC power supply output unit(7)With AC power output unit(8);
The housing(1)Front panel be equipped with solar panels(13), the housing(1)Right panel be equipped with power switch (9), USB power source output port(10)With ac power output mouth(11), the housing(1)Left-Hand Panel be equipped with battery Electricity display lamp(12);
The solar panels(13)Output terminal pass through charging control unit(3)With rechargeable cell(4)Input terminal phase Even, the rechargeable cell(4)Output terminal and power switch(9)With the inversion unit(5)Input terminal be connected, The rechargeable cell(4)Power detecting end and the under-voltage protection unit(6)Input terminal be connected;The inversion list Member(5)Output terminal respectively with DC power supply output unit(7)Input terminal, AC power output unit(8)Input terminal it is equal It is connected, the DC power supply output unit(7)Output terminal and USB power source output port(10)It is connected, the AC power is defeated Go out unit(8)With ac power output mouth(11)It is connected, the under-voltage protection unit(6)Output terminal and battery capacity show Lamp(12)It is connected;
The power-switching circuit plate(2)It further includes:Positive pole input adapter A1 and power cathode input adapter A2, the shell Body(1)Left-Hand Panel on be additionally provided with positive pole input interface(14)With power cathode input interface(15), the power supply is just Pole input adapter A1 and power cathode input adapter A2 respectively with inversion unit(5)It is connected, the positive pole input interface (14)It is connected with positive pole input adapter A1, the power cathode input interface(15)With power cathode input adapter A2 phases Even;
The charging control unit(3)Including:First sampling unit(16), the second sampling unit(17), CPU processing units (18), A/D converter(19), DC/DC converters(20), diode D1, transistor T1 and capacitance C1;
First sampling unit(16)Input terminal and the solar panels(13)Current signal test side be connected, described One sampling unit(16)Output terminal pass through A/D converter(19)With CPU processing units(18)The first signal input part be connected, The CPU processing units(18)Secondary signal input terminal pass through the second sampling unit(17)With rechargeable cell(4)'s Voltage signal test side is connected, the CPU processing units(18)Control terminal be connected with the source level of transistor T1, the transistor The grid of T1 is connected with the cathode of diode D1, the anode and solar panels of the diode D1(13)Output terminal be connected, institute The drain for stating transistor T1 passes through sequentially connected capacitance C1 and DC/DC converters(20)With rechargeable cell(4)It is defeated Enter end to be connected.
CN201510407176.3A 2015-07-13 2015-07-13 A kind of vehicle power supply Active CN105186664B (en)

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Application Number Priority Date Filing Date Title
CN201510407176.3A CN105186664B (en) 2015-07-13 2015-07-13 A kind of vehicle power supply

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Application Number Priority Date Filing Date Title
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CN105186664B true CN105186664B (en) 2018-05-29

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106505891A (en) * 2016-12-31 2017-03-15 广州市奔创电子科技有限公司 A kind of vehicle-mounted row plug-in source converter
CN112421738A (en) * 2021-01-25 2021-02-26 理工全盛(北京)科技有限公司 Direct-current output vehicle-mounted power supply control board and control method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201966661U (en) * 2011-03-24 2011-09-07 区健中 Outdoor universal power supply
CN203883531U (en) * 2014-06-03 2014-10-15 滨州学院 On-board photovoltaic charging system for electric vehicle
CN104158258A (en) * 2014-08-30 2014-11-19 国家电网公司 Vehicle-mounted multifunctional photovoltaic power system
CN104333096A (en) * 2014-11-24 2015-02-04 中投仙能科技(苏州)有限公司 Multifunctional mobile power supply equipment
CN204334020U (en) * 2014-12-15 2015-05-13 厦门德普乐能源科技有限公司 Multifunctional intellectual controls mobile electrical power box
CN204741332U (en) * 2015-07-13 2015-11-04 国家电网公司 Novel vehicle mounted power

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201966661U (en) * 2011-03-24 2011-09-07 区健中 Outdoor universal power supply
CN203883531U (en) * 2014-06-03 2014-10-15 滨州学院 On-board photovoltaic charging system for electric vehicle
CN104158258A (en) * 2014-08-30 2014-11-19 国家电网公司 Vehicle-mounted multifunctional photovoltaic power system
CN104333096A (en) * 2014-11-24 2015-02-04 中投仙能科技(苏州)有限公司 Multifunctional mobile power supply equipment
CN204334020U (en) * 2014-12-15 2015-05-13 厦门德普乐能源科技有限公司 Multifunctional intellectual controls mobile electrical power box
CN204741332U (en) * 2015-07-13 2015-11-04 国家电网公司 Novel vehicle mounted power

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