CN209860648U - Integrated battery charging and discharging circuit and electronic cigarette - Google Patents
Integrated battery charging and discharging circuit and electronic cigarette Download PDFInfo
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- CN209860648U CN209860648U CN201921071327.2U CN201921071327U CN209860648U CN 209860648 U CN209860648 U CN 209860648U CN 201921071327 U CN201921071327 U CN 201921071327U CN 209860648 U CN209860648 U CN 209860648U
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Abstract
The utility model discloses technical scheme forms an integrated battery charge-discharge circuit and electron cigarette through setting up display circuit, control circuit and charge-discharge unit. The display circuit receives a charge-discharge mode switching instruction input by a user and outputs the instruction to the control circuit; the control circuit sends a control signal to the charging and discharging unit according to the charging and discharging mode switching instruction; the charging and discharging unit receives the control signal of the control circuit and switches to a corresponding mode according to the control signal so as to charge and discharge the battery. The utility model discloses a control charge-discharge unit carries out charge-discharge mode and switches, makes the electron cigarette can regard as battery charging outfit to supply power for other equipment, makes the electron cigarette become multi-functional, improves user's use and experiences.
Description
Technical Field
The utility model relates to an electron cigarette technical field especially relates to an integrated battery charge-discharge circuit and electron cigarette.
Background
At present, the electronic cigarette is powered by a lithium battery, and most of electronic cigarettes have a charging function and can charge the electronic cigarette battery. Compared with other electronic products, the electronic cigarette has the advantages of large battery capacity and long endurance time. Many other electronic devices can be used in daily life of a user, the situation that the electric quantity is insufficient can be met at any time, but the lithium battery in the electronic cigarette cannot directly supply power for other user devices.
The above is only for the purpose of assisting understanding of the technical solutions of the present invention, and does not represent an admission that the above is the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides an integrated battery charge-discharge circuit and electron cigarette aims at solving the unable direct technical problem that supplies power for other equipment of well electron cigarette battery of prior art.
In order to achieve the above object, the present invention provides an integrated battery charging/discharging circuit, which comprises a display circuit, a control circuit and a charging/discharging unit; the battery is connected with the charging and discharging unit, the power supply end of the battery is connected with the control circuit, the controlled end of the charging and discharging unit is connected with the first control end of the control circuit, the charging and discharging unit is connected with the external interface, and the output end of the display circuit is connected with the second control end of the control circuit; wherein the content of the first and second substances,
the display circuit receives a charge-discharge mode switching instruction input by a user and outputs the instruction to the control circuit;
the control circuit sends a control signal to the charge and discharge unit according to the charge and discharge mode switching instruction;
and the charging and discharging unit receives the control signal of the control circuit and switches to a corresponding mode according to the control signal so as to charge and discharge the battery.
Preferably, the control circuit is further configured to detect a state of a battery, generate a state display signal from the state of the battery, and transmit the state display signal to the display circuit, where the display circuit displays according to the state display signal.
Preferably, the control circuit comprises a control chip and a switch circuit, wherein;
the controlled end of the switch circuit is connected with the output end of the control chip, the control end of the control chip is connected with the controlled end of the charging and discharging unit, the control end of the control chip is the first control end of the control circuit, the input end of the switch circuit is connected with the power supply end of the battery, and the output end of the switch circuit is connected with the charging and discharging unit.
Preferably, the switching circuit includes a first switching tube, a first resistor, a second resistor and a third resistor, wherein;
the input end of the first switching tube is the input end of the switching circuit, and the controlled end of the first switching tube is the controlled end of the switching circuit; the controlled end of the first switch tube is connected with the second end of the third resistor, the first end of the third resistor is connected with the output end of the first switch tube, the output end of the first switch tube is connected with the second end of the first resistor and the second end of the second resistor, the first end of the first resistor is connected with the first end of the second resistor, and the first end of the first resistor is the output end of the switch circuit.
Preferably, the charging and discharging unit further comprises a buck-boost circuit, a first voltage stabilizing circuit and a second voltage stabilizing circuit, wherein,
the first end of the first voltage stabilizing circuit is connected with the external interface, the second end of the first voltage stabilizing circuit is connected with the first end of the buck-boost circuit, the second end of the buck-boost circuit is connected with the first end of the second voltage stabilizing circuit, and the second end of the second voltage stabilizing circuit is connected with the battery.
Preferably, the buck-boost circuit further comprises a first diode, a first inductor and a third capacitor, wherein;
the anode of the first diode is grounded, the cathode of the first diode is connected with the first end of the first inductor, and the cathode of the first diode and the first end of the first inductor are connected to the control chip; the second end of the first inductor is connected with the first end of the third capacitor, and the second end of the first inductor and the first end of the third capacitor are connected to the control chip; and the second end of the third capacitor is connected to the control chip.
Preferably, the first voltage stabilizing circuit comprises a first voltage stabilizing diode, a first capacitor and a second capacitor, wherein;
the cathode of the first voltage stabilizing diode is connected with the external interface; the cathode of the first voltage stabilizing diode is connected with the first end of the first capacitor, the first end of the first capacitor is connected with the first end of the second capacitor, and the first end of the second capacitor is connected with the first end of the buck-boost circuit; the anode of the first voltage stabilizing diode is connected with the second end of the first capacitor and the second end of the second capacitor; the anode of the first voltage stabilizing diode is grounded.
Preferably, the second voltage stabilizing circuit comprises a fourth capacitor and a second voltage stabilizing diode, wherein;
the first end of the fourth capacitor is connected with the second end of the buck-boost circuit; the first end of the fourth capacitor is connected with the cathode of the second voltage stabilizing diode, the second end of the fourth capacitor is grounded, the second end of the fourth capacitor is connected with the anode of the second voltage stabilizing diode, and the cathode of the second voltage stabilizing diode is connected with the battery.
Preferably, the external interface comprises a charging interface and a discharging interface, wherein;
the output end of the charging interface is connected with the charging and discharging unit, and the input end of the charging interface is used for connecting an external charging wire; the input end of the discharging interface is connected with the charging and discharging unit, and the output end of the discharging interface is used for being connected with an external power line.
In order to achieve the above object, the utility model also provides an electronic cigarette, electronic cigarette includes as above integrated battery charge-discharge circuit.
The utility model discloses technical scheme forms an integrated battery charge-discharge circuit through setting up display circuit, control circuit and charge-discharge unit. The display circuit receives a charge-discharge mode switching instruction input by a user and outputs the instruction to the control circuit; the control circuit sends a control signal to the charging and discharging unit according to the charging and discharging mode switching instruction; the charging and discharging unit receives the control signal of the control circuit and switches to a corresponding mode according to the control signal so as to charge and discharge the battery. The utility model discloses a control charge-discharge unit carries out charge-discharge mode and switches, makes the electron cigarette can regard as battery charging outfit to supply power for other equipment, makes the electron cigarette become multi-functional, improves user's use and experiences.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a functional block diagram of an embodiment of the integrated battery charging/discharging circuit of the present invention;
fig. 2 is a schematic diagram of a circuit structure of an embodiment of the integrated battery charging/discharging circuit of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Display circuit | R1～R3 | First to third resistors |
| 200 | Control circuit | L1 | First inductor |
| 300 | Charge and discharge unit | C1～C4 | First to fourth capacitors |
| 400 | Battery with a battery cell | D1 | First diode |
| 500 | External interface | Q1 | First switch tube |
| U1 | Control chip | D2 | First voltage regulator diode |
| 201 | Switching circuit | D3 | Second voltage regulator diode |
| 301 | Step-up/step-down circuit | J1 | Charging interface |
| 302 | First voltage stabilizing circuit | J2 | Discharge interface |
| 303 | Second voltage stabilizing circuit |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, it should be considered that the combination of the technical solutions does not exist, and is not within the protection scope of the present invention.
The utility model provides an integrated battery charge-discharge circuit.
Referring to fig. 1, in the embodiment of the present invention, the integrated battery charging/discharging circuit includes a display circuit 100, a control circuit 200, and a charging/discharging unit 300; the battery 400 is connected with the charging and discharging unit 300, the power supply end of the battery 400 is connected with the control circuit 200, the controlled end of the charging and discharging unit 300 is connected with the first control end of the control circuit 200, the charging and discharging unit 300 is connected with the external interface 500, and the output end of the display circuit 100 is connected with the second control end of the control circuit 200.
The display circuit 100 receives a charge/discharge mode switching command input by a user, and outputs the command to the control circuit 200. In this embodiment, the display circuit 100 includes a display screen, and the display screen is a touch screen display screen capable of executing a function of receiving the charge-discharge mode switching instruction input by the user. In this embodiment, the display screen can also be used for executing the function of inputting the on-off instruction and controlling the function of on-off of the electronic cigarette.
The control circuit 200 transmits a control signal to the charge and discharge unit 300 according to the charge and discharge mode switching command.
It should be noted that the control circuit 200 is further configured to detect a state of the battery, generate a state display signal from the state of the battery 400, and transmit the state display signal to the display circuit 100, where the display circuit 100 displays the state according to the state display signal. In this embodiment, the control circuit 200 monitors various data of the electronic cigarette battery 400 in real time, for example: and monitoring the overcharge and overdischarge states of the battery 400, monitoring the current electric quantity of the battery 400 and ensuring timely and effective processing of various battery states.
It should be noted that, in this embodiment, the battery 400 is a double-section lithium battery, and the lithium battery is fixed on the PCB through a safe and reliable metal pole piece, so as to ensure good electrical connection.
Referring to fig. 2, in this embodiment, the control circuit 200 includes a control chip U1 and a switch circuit 201, a controlled terminal of the switch circuit 201 is connected to an output terminal of the control chip U1, a control terminal of the control chip U1 is connected to a controlled terminal of the charging and discharging unit 300, a control terminal of the control chip U1 is a first control terminal of the control circuit 200, an input terminal of the switch circuit 201 is connected to a power supply terminal of the battery 400, and an output terminal of the switch circuit 201 is connected to the charging and discharging unit 300.
Further, the switch circuit 201 includes a first switch Q1, a first resistor R1, a second resistor R2 and a third resistor R3, an input terminal of the first switch Q1 is an input terminal of the switch circuit 201, and a controlled terminal of the first switch Q1 is a controlled terminal of the switch circuit 201; the controlled end of the first switch tube Q1 is connected to the second end of the third resistor R3, the first end of the third resistor R3 is connected to the output end of the first switch tube Q1, the output end of the first switch tube Q1 is connected to the second end of the first resistor R1 and the second end of the second resistor R2, the first end of the first resistor R1 is connected to the first end of the second resistor R2, and the first end of the first resistor R1 is the output end of the switch circuit 201.
It should be noted that, when the switching circuit charges the integrated battery charging and discharging circuit, the first switching tube Q1 is turned on, and when the control chip U1 monitors that the current battery is fully charged, the switching tube Q1 is controlled to be turned off. The control chip U1 controls the charge and discharge unit 300 through a control terminal.
The charging and discharging unit 300 receives the control signal of the control circuit 200, and switches to a corresponding mode according to the control signal to charge and discharge the battery.
Further, the charging and discharging unit further includes a buck-boost circuit 301, a first voltage stabilizing circuit 302 and a second voltage stabilizing circuit 303, a first end of the first voltage stabilizing circuit 302 is connected to the external interface 500, a second end of the first voltage stabilizing circuit 302 is connected to a first end of the buck-boost circuit 301, a second end of the buck-boost circuit 301 is connected to a first end of the second voltage stabilizing circuit 303, and a second end of the second voltage stabilizing circuit 303 is connected to the battery 400.
It should be noted that a part of the boost-buck circuit is integrated in the control chip U1, and a boost-buck mos is built in the chip to implement charging and discharging functions in cooperation with external elements such as a capacitor and an inductor.
Furthermore, the buck-boost circuit 301 further includes a first diode D1, a first inductor L1, and a third capacitor C3, an anode of the first diode D1 is grounded, a cathode of the first diode D1 is connected to the first end of the first inductor L1, and a cathode of the first diode D1 and the first end of the first inductor L1 are connected to the control chip U1; the second end of the first inductor L1 is connected with the first end of the third capacitor C3, and the second end of the first inductor L1 and the first end of the third capacitor C3 are connected to the control chip U1; the second end of the third capacitor C3 is connected to the control chip U1.
Further, the first voltage stabilizing circuit 302 includes a first zener diode D2, a first capacitor C1 and a second capacitor C2, and a cathode of the first zener diode D2 is connected to the external interface 500; a cathode of the first voltage stabilizing diode D2 is connected with a first end of the first capacitor C1, a first end of the first capacitor C1 is connected with a first end of the second capacitor C2, and a first end of the second capacitor C2 is connected with a first end of the buck-boost circuit 301; the anode of the first voltage stabilizing diode D2 is connected with the second end of the first capacitor C1 and the second end of the second capacitor C2; the anode of the first zener diode D2 is grounded.
Further, the second regulation circuit 303 includes a fourth capacitor C4 and a second zener diode D3, and a first terminal of the fourth capacitor C4 is connected to the second terminal of the buck-boost circuit 301; a first terminal of the fourth capacitor C4 is connected to a cathode of the second zener diode D3, a second terminal of the fourth capacitor C4 is grounded, a second terminal of the fourth capacitor C4 is connected to an anode of the second zener diode D3, and a cathode of the second zener diode D3 is connected to the battery 400.
The external interface 500 comprises a charging interface J1 and a discharging interface J2, the output end of the charging interface J1 is connected with the charging and discharging unit 300, and the input end of the charging interface J1 is used for connecting an external charging wire; the input end of the discharging interface J2 is connected with the charging and discharging unit 300, and the output end of the discharging interface J2 is used for connecting an external power line.
In this embodiment, the user may manually switch to a setting interface through the display screen, and perform charging and discharging mode switching on the electronic cigarette, for example: the user has selected the mode of discharging through the display screen, display circuit 100 receives that the user assigned the mode of discharging instruction will the instruction is sent to control circuit 200, control circuit 200 passes through control chip U1 control integrated battery charge and discharge circuit switches to the mode of discharging, charge and discharge unit 300 is switched to the mode of discharging, the executable function of discharging of battery 400. The user uses the charging wire, and the equipment that will need to charge is connected with the interface J2 that discharges of electron cigarette, and the user can use the electron cigarette charges the equipment.
In order to achieve the above object, the utility model discloses still provide an electronic cigarette, this electronic cigarette includes as above integrated battery charge-discharge circuit, this integrated battery charge-discharge circuit's concrete structure refers to above-mentioned embodiment, because this electronic cigarette has adopted all technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. An integrated battery charge-discharge circuit is characterized by comprising a display circuit, a control circuit and a charge-discharge unit; the battery is connected with the charging and discharging unit, the power supply end of the battery is connected with the control circuit, the controlled end of the charging and discharging unit is connected with the first control end of the control circuit, the charging and discharging unit is connected with the external interface, and the output end of the display circuit is connected with the second control end of the control circuit; wherein the content of the first and second substances,
the display circuit receives a charge-discharge mode switching instruction input by a user and outputs the instruction to the control circuit;
the control circuit sends a control signal to the charge and discharge unit according to the charge and discharge mode switching instruction;
and the charging and discharging unit receives the control signal of the control circuit and switches to a corresponding mode according to the control signal so as to charge and discharge the battery.
2. The integrated battery charging and discharging circuit of claim 1, wherein the control circuit is further configured to detect a state of the battery, generate a state display signal from the state of the battery, and transmit the state display signal to the display circuit, and the display circuit displays the state display signal.
3. The integrated battery charge and discharge circuit of claim 1, wherein the control circuit comprises a control chip and a switching circuit, wherein;
the controlled end of the switch circuit is connected with the output end of the control chip, the control end of the control chip is connected with the controlled end of the charging and discharging unit, the control end of the control chip is the first control end of the control circuit, the input end of the switch circuit is connected with the power supply end of the battery, and the output end of the switch circuit is connected with the charging and discharging unit.
4. The integrated battery charging and discharging circuit of claim 3, wherein the switching circuit comprises a first switching tube, a first resistor, a second resistor and a third resistor, wherein;
the input end of the first switching tube is the input end of the switching circuit, and the controlled end of the first switching tube is the controlled end of the switching circuit; the controlled end of the first switch tube is connected with the second end of the third resistor, the first end of the third resistor is connected with the output end of the first switch tube, the output end of the first switch tube is connected with the second end of the first resistor and the second end of the second resistor, the first end of the first resistor is connected with the first end of the second resistor, and the first end of the first resistor is the output end of the switch circuit.
5. The integrated battery charging and discharging circuit of claim 3, wherein the charging and discharging unit further comprises a buck-boost circuit, a first voltage regulator circuit, and a second voltage regulator circuit, wherein,
the first end of the first voltage stabilizing circuit is connected with the external interface, the second end of the first voltage stabilizing circuit is connected with the first end of the buck-boost circuit, the second end of the buck-boost circuit is connected with the first end of the second voltage stabilizing circuit, and the second end of the second voltage stabilizing circuit is connected with the battery.
6. The integrated battery charging and discharging circuit of claim 5, wherein the buck-boost circuit further comprises a first diode, a first inductor, and a third capacitor, wherein;
the anode of the first diode is grounded, the cathode of the first diode is connected with the first end of the first inductor, and the cathode of the first diode and the first end of the first inductor are connected to the control chip; the second end of the first inductor is connected with the first end of the third capacitor, and the second end of the first inductor and the first end of the third capacitor are connected to the control chip; and the second end of the third capacitor is connected to the control chip.
7. The integrated battery charging and discharging circuit of claim 5, wherein the first voltage regulator circuit comprises a first zener diode, a first capacitor, and a second capacitor, wherein;
the cathode of the first voltage stabilizing diode is connected with the external interface; the cathode of the first voltage stabilizing diode is connected with the first end of the first capacitor, the first end of the first capacitor is connected with the first end of the second capacitor, and the first end of the second capacitor is connected with the first end of the buck-boost circuit; the anode of the first voltage stabilizing diode is connected with the second end of the first capacitor and the second end of the second capacitor; the anode of the first voltage stabilizing diode is grounded.
8. The integrated battery charging and discharging circuit of claim 5, wherein the second regulation circuit comprises a fourth capacitor and a second zener diode, wherein;
the first end of the fourth capacitor is connected with the second end of the buck-boost circuit; the first end of the fourth capacitor is connected with the cathode of the second voltage stabilizing diode, the second end of the fourth capacitor is grounded, the second end of the fourth capacitor is connected with the anode of the second voltage stabilizing diode, and the cathode of the second voltage stabilizing diode is connected with the battery.
9. The integrated battery charge and discharge circuit of claim 1, wherein the external interface comprises a charge interface and a discharge interface, wherein;
the output end of the charging interface is connected with the charging and discharging unit, and the input end of the charging interface is used for connecting an external charging wire; the input end of the discharging interface is connected with the charging and discharging unit, and the output end of the discharging interface is used for being connected with an external power line.
10. An electronic cigarette, characterized in that it comprises an integrated battery charging and discharging circuit according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921071327.2U CN209860648U (en) | 2019-07-09 | 2019-07-09 | Integrated battery charging and discharging circuit and electronic cigarette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921071327.2U CN209860648U (en) | 2019-07-09 | 2019-07-09 | Integrated battery charging and discharging circuit and electronic cigarette |
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| Publication Number | Publication Date |
|---|---|
| CN209860648U true CN209860648U (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921071327.2U Active CN209860648U (en) | 2019-07-09 | 2019-07-09 | Integrated battery charging and discharging circuit and electronic cigarette |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110198071A (en) * | 2019-07-09 | 2019-09-03 | 深圳市海派特光伏科技有限公司 | Integrated battery charge-discharge circuit and electronic cigarette |
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2019
- 2019-07-09 CN CN201921071327.2U patent/CN209860648U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110198071A (en) * | 2019-07-09 | 2019-09-03 | 深圳市海派特光伏科技有限公司 | Integrated battery charge-discharge circuit and electronic cigarette |
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