CN208955709U - A kind of electronic cigarette of active equalization charging - Google Patents
A kind of electronic cigarette of active equalization charging Download PDFInfo
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- CN208955709U CN208955709U CN201821930144.7U CN201821930144U CN208955709U CN 208955709 U CN208955709 U CN 208955709U CN 201821930144 U CN201821930144 U CN 201821930144U CN 208955709 U CN208955709 U CN 208955709U
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- circuit
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- active equalization
- electronic cigarette
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Abstract
The utility model discloses a kind of electronic cigarettes of active equalization charging, comprising: electronic cigarette main body, power supply unit and atomising device, wherein the power supply unit is made of several series connection rechargeable lithium ion batteries, USB interface is provided in the electronic cigarette main body, charging circuit, active equalization circuit, detection circuit, control circuit, output circuit, display screen and several keys, the charging circuit input termination USB interface, output termination series connection rechargeable lithium ion batteries positive and negative anodes, the active equalization circuit connects the anode in series connection rechargeable lithium ion batteries, dynode, cathode, for the voltage of balanced two batteries, the voltage of the detection circuit detection cascaded lithium ion batteries, the control circuit control charging circuit and active equalization circuit.The electronic cigarette of the active equalization charging of the utility model is by using active equalization charging circuit, it is possible to reduce electric energy loss when charging reduces fever when charging, greatly improves charge efficiency, shortens the charging time, energy conservation and environmental protection.
Description
Technical field
The utility model belongs to electronic cigarette technical field, in particular to a kind of electronic cigarette of active equalization charging.
Background technique
Electronic cigarette is as a kind of substitution conventional cigarette, the electronic product with function of smoking stop, as user is to powerful
It pursues, it is more and more to use multiple batteries series-fed.And series-connected cell charging relates to electric voltage equalization, traditional scheme is
It is discharged by power resistor, it will be in that batteries energy consumption to power resistor of high voltage.This mode will cause energy
Loss, fever is serious, and charge efficiency is low, and battery, which is full of, to be taken a long time, and influences the Product Experience of user.
It is an object of the invention to solve the defect of above-mentioned existing electronic cigarette, a kind of electronics of active equalization charging is provided
Cigarette, the electronic cigarette are then transferred to low electricity on the energy storage to inductance of high-voltage battery by balancing control circuit and inductance
On piezoelectric battery, energy loss can reduce in this way, reduce fever, improve charge efficiency, greatly shorten the charging time.
Utility model content
The purpose of this utility model is to provide one kind can reduce energy loss, reduces fever, improves charge efficiency, greatly
The electronic cigarette of the big active equalization charging for shortening the charging time.
The technical solution of the utility model is: a kind of electronic cigarette of active equalization charging comprising: electronic cigarette main body supplies
Electric installation and atomising device, wherein the power supply unit is made of several series connection rechargeable lithium ion batteries, the electronic cigarette master
Be provided on body USB interface, charging circuit, active equalization circuit, detection circuit, control circuit, output circuit, display screen and
Several keys, the charging circuit input termination USB interface, output termination series connection rechargeable lithium ion batteries positive and negative anodes, institute
It states active equalization circuit to connect in connect anode, dynode, the cathode of rechargeable lithium ion batteries, for the electricity of balanced two batteries
Pressure, the detection circuit are used to detect the voltage of cascaded lithium ion batteries, and the control circuit is according to the voltage detected, control
Charging circuit and active equalization circuit, the big size of the output circuit output adjustable voltage, the atomising device connection are defeated
Circuit out, the display screen show the setting parameter and working condition of electronic cigarette, several described keys are for being arranged output ginseng
Number and switch output.
Further, the power supply unit is detachable or non-removable cascaded lithium ion batteries.
Further, the charging circuit is the charging circuit of charging chip composition or the boosting that discrete device is built
Charging circuit.
Further, the active equalization circuit includes:
One balancing control circuit, for switching and controlling voltage of serially-connected cells equilibrium；
One inductance shifts the energy to come for storing high-voltage battery, retransfers to low-voltage battery；
One charging current control circuit, according to battery whether in the balanced charging current to set front end charging circuit；
The reverse-connection preventing circuit of one PMOS and NMOS composition prevents battery reversal connection short circuit；
Further, the control circuit includes:
Signal processing circuit receives and processes the detection signal of push button signalling and detection circuit；
Charging, balancing control circuit, control the switch of the charging circuit and active equalization circuit；
Output circuit control circuit controls the output circuit output different size voltage；
Display panel control circuit controls the display of display screen.
Further, the detection circuit is battery voltage detection circuit.
Further, the output circuit includes:
The step-up/step-down circuit being made of discrete power metal-oxide-semiconductor；
Control the output driving circuit of power MOS pipe switch；
It detects output circuit output voltage and exports the output detection circuit of electric current.
Further, the atomising device includes the components such as atomizer interface, heating wire, tobacco tar storehouse, air inlet, suction nozzle.
Further, the display screen is OLED screen or LCD screen.
Further, the USB interface, charging circuit, active equalization circuit, detection circuit, control circuit, output electricity
Road, display screen, key are mounted on control panel.
In conclusion the utility model has the beneficial effects that: the electronic cigarette that the active equalization of the utility model charges is used
Energy transfer mode in active equalization circuit realizes electric voltage equalization, substitutes traditional energy consumption mode, it is equal to realize voltage
Weighing apparatus, reduces energy loss, reduced fever improves charge efficiency, shortens the charging time, improves the reliability of product
And the service life.
The utility model is described in more detail below by embodiment.
Detailed description of the invention
Fig. 1 is the external structure schematic diagram of the electronic cigarette of the utility model active equalization charging；
Fig. 2 is the structural block diagram of circuit in the electronic cigarette main body of the utility model.
Fig. 3 is the operation schematic diagram of active equalization circuit charging.
Specific embodiment
The utility model is further described in a manner of embodiment combination attached drawing below.
The utility model provides a kind of electronic cigarette of active equalization charging, the electronic cigarette structure schematic diagram as shown in Figure 1,
It include: power supply unit, power supply unit 22 is made of two section cascaded lithium ion batteries, which can be configured to detachably
Or it is non-removable, electron cigarette power supply, power supply unit 22 is connect with 21 voltage output end of charging circuit；Atomising device
11, the atomising device 11 is made of atomizer interface, heating wire, tobacco tar storehouse, air inlet, suction nozzle；Electronic cigarette main body 12, it is described
Electronic cigarette main body 12 include key, display screen, USB interface, charging circuit, active equalization circuit, detection circuit, control circuit,
Output circuit.
As shown in Fig. 2, the functional device being mounted on the control panel of electronic cigarette main body 12 includes:
One USB interface 20 for charging to lithium ion battery, the USB interface 20 are powered by USB charging cable；
One charging circuit 21 for charging to cascaded lithium ion batteries (i.e. power supply unit) is equipped with voltage input end and electricity
Press output end, voltage input end connects the USB interface 20, charging circuit 21 be the charging circuit of charging chip composition either
The boost charge circuit that discrete device is built.
One active equalization circuit 25, connect the anode in two section cascaded lithium ion batteries of the power supply unit 22, intergrade,
Cathode；
One detection circuit 26, detects the cell voltage of the power supply unit 22, and result is fed back to control circuit；
One output circuit 23, output circuit 23 include the step-up/step-down circuit being made of discrete power metal-oxide-semiconductor；Control power
The output driving circuit of metal-oxide-semiconductor switch；It detects output circuit output voltage and exports the output detection circuit of electric current.Output circuit
23 are equipped with voltage input and voltage output end, and voltage input end and the power supply unit 22 connect, voltage output termination atomization dress
It sets, the output-controlled circuit control processed of output circuit 23；
One atomising device 24, atomising device 24 are atomized tobacco tar, the electricity with the output circuit 23 for heating heating wire
Press output end connection；
One key 27, key 27 detect the operation setting of user, and will test signal and be transmitted to control circuit；
One display screen 29, display screen 29 are OLED screen or LCD screen, and display screen 29 shows the setting parameter and electronics of user
Cigarette current working status, by control circuit control；
One control circuit 28, control circuit 28 include signal processing circuit, receive and process push button signalling and detection circuit
Detection signal；Charging, balancing control circuit, control the switch of the charging circuit and active equalization circuit；Output circuit control
Circuit processed controls the output circuit output different size voltage；Display panel control circuit controls the display of display screen.Control
Circuit 28 receives the detection signal of the key 27, the voltage detection signal of the detection circuit 26, and output control signal point
It Gei not the charging circuit 21, the active equalization circuit 25, the output circuit 23, the display screen 29.
In a specific embodiment, the active equalization circuit 25 includes:
One balancing control circuit 31, balancing control circuit 31 control two section cascaded lithium ion batteries of the power supply unit 22
The charge balancing of (battery 1, battery 2), balancing control circuit 31 are set there are three power port, and one connects the anode of battery 1, and one
The cathode of battery 2 is connect, one connects the intergrade that 1 cathode of battery is connected with 2 anode of battery by inductance；
Whether one charging current control circuit 32, charging current control circuit 32 can be according to batteries in equilibrium, described in setting
The charging current of charging circuit 21；
One inductance 33, inductance 33 are used to store the energy of high-voltage battery transfer, and transfer energy into low-voltage battery
On, both ends connect the intergrade of two section cascaded lithium ion batteries in the balancing control circuit 31 and the power supply unit 22 respectively；
One reverse-connection preventing circuit 34, reverse-connection preventing circuit 34 include a PMOS switch circuit and a NMOS switch circuit,
In, PMOS switch circuit connects at 1 both ends of battery of the power supply unit 22, and NMOS switch circuit connects at 2 both ends of battery, anti-reverse
Circuit 34 can effectively prevent the short trouble of battery 1 in power supply unit 22, the reversed generation of battery 2.
The operation schematic diagram that active equalization charges in the utility model is as shown in figure 3, specific work process is as follows:
If battery 1 is identical with the voltage of battery 2 and discontented electricity, when being charged, the charging circuit 21 can pass through
Reverse-connection preventing circuit 34 charges to battery 1, battery 2, and it is equal that balancing control circuit 31 can determine that battery 1, battery 2 do not need progress voltage
Weighing apparatus, the active equalization circuit 25 not will do it electric voltage equalization, and balancing control circuit 31 can control charging current control circuit 32,
Charging circuit 21 is set to charge the battery with biggish charging current.
If the voltage of battery 1 is higher than the voltage of battery 2, when charging, the charging circuit 21
It can charge by reverse-connection preventing circuit 34 to battery 1, battery 2, balancing control circuit 31 can determine that battery 1, battery 2 need
Carry out electric voltage equalization, battery 1 can be connect by PMOS, the balancing control circuit 31 of reverse-connection preventing circuit 34 series-connected cell anode,
Two power ports of intergrade, electric energy is stored on inductance 33, then connects series electrical by NMOS, balancing control circuit 31 again
Two cathode in pond, intergrade power ports, by the energy transfer to battery 2 stored on inductance 33, this alternating stores energy
Amount, the process of transfer energy can be continued until the identical stopping with the voltage of battery 2 of battery 1, during electric voltage equalization, equilibrium control
Circuit 31 processed can control charging current control circuit 32, make charging circuit 21 with the charging of lesser charging current；
If the voltage of battery 1 is lower than the voltage of battery 2, when charging, the charging circuit 21 can pass through reverse-connection preventing circuit
34 charge to battery 1, battery 2, and balancing control circuit 31 can determine that battery 1, battery 2 need to carry out electric voltage equalization, and battery 2 can be through
Cross the NMOS of reverse-connection preventing circuit 34, balancing control circuit 31 connects the cathode of series-connected cell, two power ports of intergrade, by electric energy
It is stored on inductance 33, two the positive pole of series-connected cell, intergrade power supplys is then connect by PMOS, balancing control circuit 31 again
Port, by the energy transfer to battery 1 stored on inductance 33, this alternately storage energy, the process for shifting energy can be always
Continue to the identical stopping with the voltage of battery 2 of battery 1, during electric voltage equalization, balancing control circuit 31 can control charging current
Control circuit 32 makes charging circuit 21 with the charging of lesser charging current；Balancing control circuit 31 can be by detecting for Denso
The voltage for setting battery 1 and battery 2 in 22 judges whether to need cut-in voltage balanced, and the unlatching of electric voltage equalization includes but is not limited to
Two section voltages are equal, as long as the voltage difference of two batteries is in a certain range, it is determined that cell voltage is identical, do not need
Cut-in voltage is balanced, conversely, exceeding this range, it is necessary to which cut-in voltage is balanced；During electric voltage equalization, by high-voltage battery
Energy storage to inductance 33 on, then by the energy transfer to low-voltage battery on inductance 33, the two processes are alternatings
It carries out, balancing control circuit 31 controls electric voltage equalization under a suitable switching frequency, and the size of euqalizing current can lead to
Cross the setting of balancing control circuit 31；
There are two setting value, a smaller value, the larger value, when power supply unit 22 for the charging current of charging circuit 21
Series-connected cell is under electric voltage equalization state, and charging circuit 21 is with the charging of lesser charging current, and the charging current should
Less than euqalizing current, prevent over-charging of battery, when power supply unit 22 series-connected cell stop electric voltage equalization after, charging circuit 21 with compared with
Big charging current charging, can be shortened the charging time, balancing control circuit 31 is by charging current control circuit 32 come real in this way
Now the charging current of charging circuit 21 is arranged；Whether 21 energy independent judgment battery of charging circuit is full of, and voluntarily opens and close
Whether disconnected charging, 31 energy independent judgment battery of balancing control circuit need whether balanced, equilibrium is completed and be switched on and off equilibrium
Circuit；Control circuit 28 monitors the voltage of two section series-connected cells in power supply unit 22 by detection circuit 26, controls charging circuit
21 and balancing control circuit 31 switch, guarantee charging and balanced reliability.
In above-mentioned technical proposal, electric voltage equalization is realized with the energy transfer mode in active equalization circuit, is substituted traditional
Energy consumption mode realizes electric voltage equalization, reduces energy loss, and reduced fever improves charge efficiency, shortens charging
Time improves reliability and the service life of product.
The structure that the electronic cigarette of the initiatively equalizaing charge of the utility model is not limited to the above embodiments can carry out a variety of
Modification.In short, being both fallen in the scope of the utility model in all improvement not departed within the scope of the spirit of the present invention.
Claims (10)
1. a kind of electronic cigarette of active equalization charging characterized by comprising electronic cigarette main body, power supply unit and atomising device,
Wherein the power supply unit is made of several series connection rechargeable lithium ion batteries, be provided in the electronic cigarette main body USB interface,
Charging circuit, active equalization circuit, detection circuit, control circuit, output circuit, display screen and several keys, it is described to fill
Electric circuit input end connects USB interface, output termination series connection rechargeable lithium ion batteries positive and negative anodes, and the active equalization circuit connects
Anode, dynode, the cathode of series connection rechargeable lithium ion batteries, for the voltage of balanced two batteries, the detection circuit inspection
The voltage of cascaded lithium ion batteries is surveyed, the control circuit controls charging circuit and active equalization electricity according to the voltage detected
Road, the big size of the output circuit output adjustable voltage, the atomising device connect output circuit, and the display screen is shown
The setting parameter and working condition of electronic cigarette, several described keys are for being arranged output parameter and switch output.
2. the electronic cigarette of active equalization charging according to claim 1, which is characterized in that the power supply unit is detachable
Or non-removable cascaded lithium ion batteries.
3. electronic cigarette according to claim 1, which is characterized in that the charging circuit is the charging electricity of charging chip composition
The boost charge circuit that road either discrete device is built.
4. the electronic cigarette of active equalization charging according to claim 1, which is characterized in that the active equalization circuit packet
It includes:
One balancing control circuit, for switching and controlling voltage of serially-connected cells equilibrium；
One inductance shifts the energy to come for storing high-voltage battery, retransfers to low-voltage battery；
One charging current control circuit, according to battery whether in the balanced charging current to set front end charging circuit；
The reverse-connection preventing circuit of one PMOS and NMOS composition prevents battery reversal connection short circuit.
5. the electronic cigarette of active equalization according to claim 1 charging, which is characterized in that the control circuit includes:
Signal processing circuit receives and processes the detection signal of push button signalling and detection circuit；
Charging, balancing control circuit, control the switch of the charging circuit and active equalization circuit；
Output circuit control circuit controls the output circuit output different size voltage；
Display panel control circuit controls the display of the display screen.
6. the electronic cigarette of active equalization charging according to claim 1, which is characterized in that the detection circuit is battery electricity
Press detection circuit.
7. the electronic cigarette of active equalization according to claim 1 charging, which is characterized in that the output circuit includes:
The step-up/step-down circuit being made of discrete power metal-oxide-semiconductor；
Control the output driving circuit of power MOS pipe switch；
It detects output circuit output voltage and exports the output detection circuit of electric current.
8. the electronic cigarette of active equalization charging according to claim 1, which is characterized in that the atomising device includes atomization
The components such as device interface, heating wire, tobacco tar storehouse, air inlet, suction nozzle.
9. the electronic cigarette of active equalization according to claim 1 charging, which is characterized in that the display screen be OLED screen or
LCD screen.
10. the electronic cigarette of active equalization charging according to claim 1, which is characterized in that the USB interface, charging electricity
Road, active equalization circuit, detection circuit, control circuit, output circuit, display screen, key are mounted on control panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821930144.7U CN208955709U (en) | 2018-11-22 | 2018-11-22 | A kind of electronic cigarette of active equalization charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821930144.7U CN208955709U (en) | 2018-11-22 | 2018-11-22 | A kind of electronic cigarette of active equalization charging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208955709U true CN208955709U (en) | 2019-06-07 |
Family
ID=66744975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821930144.7U Active CN208955709U (en) | 2018-11-22 | 2018-11-22 | A kind of electronic cigarette of active equalization charging |
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| Country | Link |
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| CN (1) | CN208955709U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110247456A (en) * | 2019-07-15 | 2019-09-17 | 钰泰半导体南通有限公司 | A kind of multisection lithium battery balanced management switching system and its electric current detecting method |
| CN110507005A (en) * | 2019-09-24 | 2019-11-29 | 深圳睿蚁科技有限公司 | A kind of energy-saving electronic atomizer |
| CN112165138A (en) * | 2020-09-30 | 2021-01-01 | 重庆电子工程职业学院 | Active equalization control system of battery management system |
| CN112493564A (en) * | 2020-11-03 | 2021-03-16 | 深圳市基克纳科技有限公司 | Electronic atomization device and control method |
-
2018
- 2018-11-22 CN CN201821930144.7U patent/CN208955709U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110247456A (en) * | 2019-07-15 | 2019-09-17 | 钰泰半导体南通有限公司 | A kind of multisection lithium battery balanced management switching system and its electric current detecting method |
| CN110247456B (en) * | 2019-07-15 | 2021-07-16 | 钰泰半导体南通有限公司 | Multi-lithium battery equalization management switch system and current detection method thereof |
| CN110507005A (en) * | 2019-09-24 | 2019-11-29 | 深圳睿蚁科技有限公司 | A kind of energy-saving electronic atomizer |
| CN112165138A (en) * | 2020-09-30 | 2021-01-01 | 重庆电子工程职业学院 | Active equalization control system of battery management system |
| CN112493564A (en) * | 2020-11-03 | 2021-03-16 | 深圳市基克纳科技有限公司 | Electronic atomization device and control method |
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