CN107769350A - Isolated compatible type preventing bursting charging motor device - Google Patents
Isolated compatible type preventing bursting charging motor device Download PDFInfo
- Publication number
- CN107769350A CN107769350A CN201711259623.0A CN201711259623A CN107769350A CN 107769350 A CN107769350 A CN 107769350A CN 201711259623 A CN201711259623 A CN 201711259623A CN 107769350 A CN107769350 A CN 107769350A
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- Prior art keywords
- circuit
- charging
- light source
- current
- output end
- 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.)
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- 230000009172 bursting Effects 0.000 title claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 239000012528 membrane Substances 0.000 claims abstract description 4
- 239000007769 metal material Substances 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 20
- 239000003990 capacitor Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000638 stimulation Effects 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 101100236764 Caenorhabditis elegans mcu-1 gene Proteins 0.000 description 3
- 239000005955 Ferric phosphate Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229940032958 ferric phosphate Drugs 0.000 description 2
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 2
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H02J7/045—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0034—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using reverse polarity correcting or protecting circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to charger technical field, the high isolated compatible type preventing bursting charging motor device of specifically a kind of working stability, charge efficiency, deformation component fixing hole is opened up on housing, elastic membrane is fixed on deformation component fixing hole, housing is made of the good metal material of thermal conductivity, housing exterior walls are provided with radiating fin and radiator fan, and housing is provided with waterproof vent valve and explosion-proof plug；It is characterized in that controller MCU, charging mechanism, charging curve are provided with housing changes circuit, wherein controller MCU changes circuit with charging mechanism, charging curve respectively and is connected, the charging mechanism includes transformer, rectification circuit, current divider, current detection circuit, amplifying circuit, charging current control circuit, A/D change-over circuits, D/A change-over circuits, is additionally provided with the alternating current-direct current compatible type front stage circuits being connected with controller；With it is rational in infrastructure, operating efficiency is high, cost is low etc. it is notable the advantages of.
Description
Technical field：
The present invention relates to charger technical field, high isolated simultaneous of specifically a kind of working stability, charge efficiency
Appearance type preventing bursting charging motor device.
Background technology：
Electri forklift is as a kind of conventional logistics haulage equipment, using very extensive.With the progress of battery technology, get over
Carry out more electri forklifts and use ferric phosphate lithium cell as energy storage component.Ferric phosphate lithium cell has many lead-acid batteries not look forward to
And the advantages of：Material environment friendly is unleaded, charge and discharge cycles number is long, energy density is big and rate of charge is big etc., thus need to
Electri forklift configures high-power quick charger.
Every kind of battery has the charge characteristic of oneself, so a large amount of charging equipments, which are an equipment, is equipped with a charging
Device, distinct device can not be charged with same charger, trace it to its cause be because distinct device employ different charging voltages and
Charging current (such as different model mobile phone charging voltage is 4.4V and 5V respectively), i.e., charging curve is inconsistent, to charge by force,
Equipment can be damaged.When electronic equipment is eliminated, charging equipment is also eliminated and generates substantial amounts of waste therewith.
The content of the invention：
The present invention is for shortcoming and defect present in prior art, it is proposed that a kind of working stability, charge efficiency are high
Isolated compatible type preventing bursting charging motor device.
The present invention is reached by following measures：
A kind of isolated compatible type preventing bursting charging motor device, deformation component fixing hole is opened up on housing, elastic membrane is fixed on
On deformation component fixing hole, housing is made of the good metal material of thermal conductivity, and housing exterior walls are provided with radiating fin and dissipated
Hot-air fan, housing are provided with waterproof vent valve and explosion-proof plug；It is characterized in that controller MCU, charging mechanism are provided with housing, is filled
Electric curve changes circuit, and wherein controller MCU changes circuit with charging mechanism, charging curve respectively and is connected, the charger
Structure includes transformer, rectification circuit, current divider, current detection circuit, amplifying circuit, charging current control circuit, A/D conversion electricity
Road, D/A change-over circuits, wherein controller MCU are connected with A/D change-over circuits, D/A change-over circuits respectively, A/D change-over circuits
The other end is connected with the output end of current detection circuit, and the input of current detection circuit is connected with the output end of amplifying circuit
Connect, the input of amplifying circuit is connected with the output end of current divider, and the input of current divider is connected with rectification circuit, rectification
Circuit is connected with the both positive and negative polarity of battery to be charged and rectification circuit is connected with transformer, and charging current control circuit is connected to
Between D/A change-over circuits and rectification circuit, the radio communication circuit being connected with controller MCU is additionally provided with；It is additionally provided with and controls
The self-protection circuit that device MCU is connected, the self-protection circuit include power transformer, rectification circuit, voltage and automatically adjust, connect
Anti- protection circuit, sufficient automatic power-off circuit, wherein power transformer are connected with rectification circuit, the output end point of rectification circuit
It is not connected with reversed protection circuit, sufficient automatic power-off circuit；Before being additionally provided with the alternating current-direct current compatible type being connected with controller
Level circuit；The alternating current-direct current compatible type front stage circuits are provided with rectification circuit, ac voltage detection circuit, DC voltage detection electricity
Road, pfc circuit, DC/DC booster circuits and pulsewidth modulated intergrated circuit.
Ac voltage detection circuit and external communication input port phase in alternating current-direct current compatible type front stage circuits of the present invention
Even, output end is connected with the alternating voltage test side of the pulsewidth modulated intergrated circuit；DC voltage detection circuit with it is outer
Portion's direct-flow input end mouth is connected, the output end and the direct current of the pulsewidth modulated intergrated circuit of the DC voltage detection circuit
Pressure test side is connected；The input of the rectification circuit is connected with external communication input port, and output end is electric with the PFC respectively
The input on road, the input of the DC/DC booster circuits are connected；The output of external dc input port and the rectification circuit
End is connected；The output end of the pfc circuit and the output end of the DC/DC booster circuits are connected with rear class power conversion circuit；
First PWM drive ends of the pulsewidth modulated intergrated circuit are connected with the pfc circuit, and the of the pulsewidth modulated intergrated circuit
Two PWM drive ends are connected with the DC/DC booster circuits；The pfc circuit includes：First FET, the first inductance, first
Diode and the first filter capacitor；The drain electrode of first FET is passing through first inductance and the rectification circuit just
Be connected to output end, source electrode is connected with the inverse output terminal of the rectification circuit, and the drain electrode of first FET also with
The anode of first diode is connected, and grid is connected with the first PWM drive ends of the pulsewidth modulated intergrated circuit；Described
One filter capacitor one end is connected with the negative electrode of first diode, and the other end is connected with the source electrode of first FET.
Radio communication circuit of the present invention uses WIFI communication modules or 4G/GPRS communication modules or Bluetooth communication mould
Block；Described rectification circuit uses SCR rectification circuit.
Charging curve of the present invention change circuit include transmitter outside housing and in housing and with control
The receiver that device MCU is connected, wherein transmitter are provided with mission controller, drive circuit, light source, button, power circuit, wherein
Mission controller is connected with drive circuit, button, power circuit respectively, and the output end of drive circuit is connected with light source；Connect
Receive device be provided with reception drive circuit, light source, button, wherein controller MCU respectively with reception drive circuit, light source, button
It is connected, the output end of drive circuit is connected with light source；Wherein light source uses LED light source, is all provided with drive circuit limited
Leakage resistance.
In the use of the present invention, the power supply of mission controller uses 5V button cell BAT, the 22nd pin of mission controller with
Button S1 is connected with pull-up resistor R1, and the 26th pin is connected with current-limiting resistance R1, and R1 is connected with the positive pole of light source led, LED negative pole
Ground connection, when button S1 is pressed, mission controller control light source is flashed with fixed frequency, and its fixed frequency represents a kind of battery
Charging curve；Controller MCU 21 pin are connected by current-limiting resistance R3 with light source led positive pole in receiving mechanism, and light source led is born
Pole is grounded, and when charger need not change built-in charging curve, light source led is light emitting source, for showing whole charger
Working condition, when charging curve built in charger needs change, LED receives the load of external emitters transmission to receive light source
There is the frequency signal of charging curve information；Light source led receives flasher stimulation, and the 3V of equal frequencies is produced in its positive terminal
Level signal, controller MCU detect this level signal, complete the replacing of charging curve.
The present invention compared with prior art, the advantages of to have that rational in infrastructure, operating efficiency is high, cost is low etc. notable.
Brief description of the drawings：
Accompanying drawing 1 is the structured flowchart of the present invention.
Reference：Controller MCU 1, charging mechanism 2, charging curve change circuit 3, alternating current-direct current compatible type front stage circuits
4。
Embodiment：
The present invention is further illustrated below in conjunction with the accompanying drawings.
As shown in drawings, the present invention proposes a kind of isolated compatible type preventing bursting charging motor device, and deformation is opened up on housing
Component fixing hole, elastic membrane are fixed on deformation component fixing hole, and housing is made of the good metal material of thermal conductivity, outside housing
Wall is provided with radiating fin and radiator fan, and housing is provided with waterproof vent valve and explosion-proof plug；It is characterized in that set in housing
Have controller MCU 1, charging mechanism 2, charging curve change circuit 3, wherein controller MCU1 respectively with charging mechanism 2, charging
Curve is changed circuit 3 and is connected, and the charging mechanism includes transformer, rectification circuit, current divider, current detection circuit, amplification
Circuit, charging current control circuit, A/D change-over circuits, D/A change-over circuits, wherein controller MCU respectively with A/D change-over circuits,
D/A change-over circuits are connected, and the other end of A/D change-over circuits is connected with the output end of current detection circuit, current detecting electricity
The input on road is connected with the output end of amplifying circuit, and the input of amplifying circuit is connected with the output end of current divider, point
The input of stream device is connected with rectification circuit, and rectification circuit is connected with the both positive and negative polarity of battery to be charged and rectification circuit and change
Depressor is connected, and charging current control circuit is connected between D/A change-over circuits and rectification circuit, is additionally provided with and controller MCU
The radio communication circuit being connected；The self-protection circuit being connected with controller MCU is additionally provided with, the self-protection circuit includes electricity
Source transformer, rectification circuit, voltage automatically adjust, reversed protection circuit, sufficient automatic power-off circuit, wherein power transformer with
Rectification circuit is connected, and the output end of rectification circuit is connected with reversed protection circuit, sufficient automatic power-off circuit respectively；Also set
There are the alternating current-direct current compatible type front stage circuits 4 being connected with controller；The alternating current-direct current compatible type front stage circuits be provided with rectification circuit,
Ac voltage detection circuit, DC voltage detection circuit, pfc circuit, DC/DC booster circuits and pulsewidth modulated intergrated circuit.
Ac voltage detection circuit and external communication input port phase in alternating current-direct current compatible type front stage circuits of the present invention
Even, output end is connected with the alternating voltage test side of the pulsewidth modulated intergrated circuit；DC voltage detection circuit with it is outer
Portion's direct-flow input end mouth is connected, the output end and the direct current of the pulsewidth modulated intergrated circuit of the DC voltage detection circuit
Pressure test side is connected；The input of the rectification circuit is connected with external communication input port, and output end is electric with the PFC respectively
The input on road, the input of the DC/DC booster circuits are connected；The output of external dc input port and the rectification circuit
End is connected；The output end of the pfc circuit and the output end of the DC/DC booster circuits are connected with rear class power conversion circuit；
First PWM drive ends of the pulsewidth modulated intergrated circuit are connected with the pfc circuit, and the of the pulsewidth modulated intergrated circuit
Two PWM drive ends are connected with the DC/DC booster circuits；The pfc circuit includes：First FET, the first inductance, first
Diode and the first filter capacitor；The drain electrode of first FET is passing through first inductance and the rectification circuit just
Be connected to output end, source electrode is connected with the inverse output terminal of the rectification circuit, and the drain electrode of first FET also with
The anode of first diode is connected, and grid is connected with the first PWM drive ends of the pulsewidth modulated intergrated circuit；Described
One filter capacitor one end is connected with the negative electrode of first diode, and the other end is connected with the source electrode of first FET.
Radio communication circuit of the present invention uses WIFI communication modules or 4G/GPRS communication modules or Bluetooth communication mould
Block；Described rectification circuit uses SCR rectification circuit.
Charging curve of the present invention change circuit include transmitter outside housing and in housing and with control
The receiver that device MCU is connected, wherein transmitter are provided with mission controller, drive circuit, light source, button, power circuit, wherein
Mission controller is connected with drive circuit, button, power circuit respectively, and the output end of drive circuit is connected with light source；Connect
Receive device be provided with reception drive circuit, light source, button, wherein controller MCU respectively with reception drive circuit, light source, button
It is connected, the output end of drive circuit is connected with light source；Wherein light source uses LED light source, is all provided with drive circuit limited
Leakage resistance.
In the use of the present invention, the power supply of mission controller uses 5V button cell BAT, the 22nd pin of mission controller with
Button S1 is connected with pull-up resistor R1, and the 26th pin is connected with current-limiting resistance R1, and R1 is connected with the positive pole of light source led, LED negative pole
Ground connection, when button S1 is pressed, mission controller control light source is flashed with fixed frequency, and its fixed frequency represents a kind of battery
Charging curve；Controller MCU 21 pin are connected by current-limiting resistance R3 with light source led positive pole in receiving mechanism, and light source led is born
Pole is grounded, and when charger need not change built-in charging curve, light source led is light emitting source, for showing whole charger
Working condition, when charging curve built in charger needs change, LED receives the load of external emitters transmission to receive light source
There is the frequency signal of charging curve information；Light source led receives flasher stimulation, and the 3V of equal frequencies is produced in its positive terminal
Level signal, controller MCU detect this level signal, complete the replacing of charging curve.
The present invention compared with prior art, the advantages of to have that rational in infrastructure, operating efficiency is high, cost is low etc. notable.
Claims (5)
1. a kind of isolated compatible type preventing bursting charging motor device, deformation component fixing hole is opened up on housing, elastic membrane is fixed on shape
Become on component fixing hole, housing is made of the good metal material of thermal conductivity, and housing exterior walls are provided with radiating fin and radiating
Fan, housing are provided with waterproof vent valve and explosion-proof plug；It is characterized in that controller MCU, charging mechanism, charging are provided with housing
Curve changes circuit, and wherein controller MCU changes circuit with charging mechanism, charging curve respectively and is connected, the charging mechanism
Including transformer, rectification circuit, current divider, current detection circuit, amplifying circuit, charging current control circuit, A/D conversion electricity
Road, D/A change-over circuits, wherein controller MCU are connected with A/D change-over circuits, D/A change-over circuits respectively, A/D change-over circuits
The other end is connected with the output end of current detection circuit, and the input of current detection circuit is connected with the output end of amplifying circuit
Connect, the input of amplifying circuit is connected with the output end of current divider, and the input of current divider is connected with rectification circuit, rectification
Circuit is connected with the both positive and negative polarity of battery to be charged and rectification circuit is connected with transformer, and charging current control circuit is connected to
Between D/A change-over circuits and rectification circuit, the radio communication circuit being connected with controller MCU is additionally provided with；It is additionally provided with and controls
The self-protection circuit that device MCU is connected, the self-protection circuit include power transformer, rectification circuit, voltage and automatically adjust, connect
Anti- protection circuit, sufficient automatic power-off circuit, wherein power transformer are connected with rectification circuit, the output end point of rectification circuit
It is not connected with reversed protection circuit, sufficient automatic power-off circuit；Before being additionally provided with the alternating current-direct current compatible type being connected with controller
Level circuit；The alternating current-direct current compatible type front stage circuits are provided with rectification circuit, ac voltage detection circuit, DC voltage detection electricity
Road, pfc circuit, DC/DC booster circuits and pulsewidth modulated intergrated circuit.
2. a kind of isolated compatible type preventing bursting charging motor device according to claim 1, it is characterised in that described is wireless
Telecommunication circuit uses WIFI communication modules or 4G/GPRS communication modules or bluetooth communication；Described rectification circuit uses can
Control silicon rectification circuit.
3. a kind of isolated compatible type preventing bursting charging motor device according to claim 1, it is characterised in that the charging is bent
Line, which changes circuit, includes the transmitter outside housing and the receiver being connected in housing and with controller MCU, wherein
Transmitter is provided with mission controller, drive circuit, light source, button, power circuit, and wherein mission controller is electric with driving respectively
Road, button, power circuit are connected, and the output end of drive circuit is connected with light source；Receiver be provided with reception drive circuit,
Light source, button, wherein controller MCU are connected with reception with drive circuit, light source, button respectively, the output end of drive circuit
It is connected with light source；Wherein light source uses LED light source, and current-limiting resistance is equipped with drive circuit.
A kind of 4. isolated compatible type preventing bursting charging motor device according to claim 1, it is characterised in that mission controller
Power supply use 5V button cell BAT, the 22nd pin of mission controller is connected with button S1 and pull-up resistor R1, the 26th pin with limit
Leakage resistance R1 is connected, and R1 is connected with the positive pole of light source led, LED negative pole ground connection, when button S1 is pressed, mission controller control
Light source processed is flashed with fixed frequency, and its fixed frequency represents a kind of charging curve of battery；The 21 of controller MCU in receiving mechanism
Pin is connected by current-limiting resistance R3 with light source led positive pole, light source led negative pole ground connection, and built-in fill need not be changed in charger
During electric curve, light source led is light emitting source, for showing the working condition of whole charger, when charger needs to fill built in change
During electric curve, LED receives the frequency signal for being loaded with charging curve information of external emitters transmission to receive light source；Light source led
Flasher stimulation is received, produces the 3V level signals of equal frequencies in its positive terminal, controller MCU detects this level letter
Number, complete the replacing of charging curve.
A kind of 5. isolated compatible type preventing bursting charging motor device according to claim 1, it is characterised in that the alternating current-direct current
Ac voltage detection circuit is connected with external communication input port in compatible type front stage circuits, output end and the pulsewidth modulation collection
It is connected into the alternating voltage test side of circuit；The DC voltage detection circuit is connected with external dc input port, described straight
The output end of stream voltage detecting circuit is connected with the DC voltage test side of the pulsewidth modulated intergrated circuit；The rectification circuit
Input be connected with external communication input port, output end respectively the input with the pfc circuit, the DC/DC boosting
The input of circuit is connected；External dc input port is connected with the output end of the rectification circuit；The output of the pfc circuit
The output end of end and the DC/DC booster circuits is connected with rear class power conversion circuit；The of the pulsewidth modulated intergrated circuit
One PWM drive ends are connected with the pfc circuit, the 2nd PWM drive ends and the DC/DC liters of the pulsewidth modulated intergrated circuit
Volt circuit is connected；The pfc circuit includes：First FET, the first inductance, the first diode and the first filter capacitor；Institute
The drain electrode for stating the first FET is connected by first inductance with the positive output end of the rectification circuit, source electrode with it is described
The inverse output terminal of rectification circuit is connected, and anode phase of the drain electrode of first FET also with first diode
Even, grid is connected with the first PWM drive ends of the pulsewidth modulated intergrated circuit；Described first filter capacitor one end and described the
The negative electrode of one diode is connected, and the other end is connected with the source electrode of first FET.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711259623.0A CN107769350A (en) | 2017-12-04 | 2017-12-04 | Isolated compatible type preventing bursting charging motor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711259623.0A CN107769350A (en) | 2017-12-04 | 2017-12-04 | Isolated compatible type preventing bursting charging motor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107769350A true CN107769350A (en) | 2018-03-06 |
Family
ID=61276655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711259623.0A Pending CN107769350A (en) | 2017-12-04 | 2017-12-04 | Isolated compatible type preventing bursting charging motor device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107769350A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115085344A (en) * | 2022-08-22 | 2022-09-20 | 山西科达自控股份有限公司 | Intrinsic safety explosion-proof circuit of lithium battery box |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107276186A (en) * | 2017-08-11 | 2017-10-20 | 安徽华凯新能源科技有限公司 | The Vehicular charger that isolated charging curve is changed |
| CN107364363A (en) * | 2017-08-15 | 2017-11-21 | 安徽华凯新能源科技有限公司 | Electri forklift power battery pack Novel charging machine |
-
2017
- 2017-12-04 CN CN201711259623.0A patent/CN107769350A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107276186A (en) * | 2017-08-11 | 2017-10-20 | 安徽华凯新能源科技有限公司 | The Vehicular charger that isolated charging curve is changed |
| CN107364363A (en) * | 2017-08-15 | 2017-11-21 | 安徽华凯新能源科技有限公司 | Electri forklift power battery pack Novel charging machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115085344A (en) * | 2022-08-22 | 2022-09-20 | 山西科达自控股份有限公司 | Intrinsic safety explosion-proof circuit of lithium battery box |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180306 |
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| RJ01 | Rejection of invention patent application after publication |