CN211458866U - Voltage output circuit and electron cigarette - Google Patents
Voltage output circuit and electron cigarette Download PDFInfo
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- CN211458866U CN211458866U CN201921929591.5U CN201921929591U CN211458866U CN 211458866 U CN211458866 U CN 211458866U CN 201921929591 U CN201921929591 U CN 201921929591U CN 211458866 U CN211458866 U CN 211458866U
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Abstract
The utility model discloses a voltage output circuit and electron cigarette belongs to simulation smoking technical field. The voltage output circuit comprises a control chip, a battery component and a switch element, wherein the control chip comprises an upgrading end and an output control end, wherein: the output control end is electrically connected with the control end of the switch element, the first path end of the switch element is electrically connected with the positive electrode of the battery assembly, the second path end of the switch element is electrically connected with a preset pin of an output port, and the output port is used for being connected with a load or upgrading equipment; the upgrading end is electrically connected with a preset pin of the output port; the problem of the unable firmware upgrading of present electron cigarette is solved, but the effect that electron cigarette firmware upgrading, improvement electron cigarette product experience degree have been reached.
Description
Technical Field
The utility model relates to a simulation smoking technical field, in particular to voltage output circuit and electron cigarette.
Background
The electronic cigarette is used as a substitute of a tobacco product, and is more and more popular in the market due to the characteristics of portability in use, large smoke amount and the like to a certain extent.
With the development of wireless charging technology, in order to reduce the size of the electronic cigarette and make the electronic cigarette more attractive, the setting of a Universal Serial Bus (USB) interface is cancelled in some electronic cigarettes in the current market, and firmware upgrade of the electronic cigarette needs to receive firmware upgrade data by means of the USB interface, so that the electronic cigarette cannot improve product experience through firmware upgrade.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the unable firmware of present electron cigarette upgrades, the embodiment of the utility model provides a voltage output circuit and electron cigarette. The technical scheme is as follows:
in a first aspect, a voltage output circuit is provided, where the voltage output circuit includes a control chip, a battery assembly, and a switching element, the control chip includes an upgrade end and an output control end, where:
the output control end is electrically connected with the control end of the switch element, the first path end of the switch element is electrically connected with the positive electrode of the battery assembly, the second path end of the switch element is electrically connected with a preset pin of an output port, and the output port is used for being connected with a load or upgrading equipment;
the upgrading end is electrically connected with a preset pin of the output port.
Optionally, the voltage output circuit further includes an on-off key, the on-off key is electrically connected to the control chip, wherein:
the control chip is used for entering an upgrading mode when an upgrading signal generated by operating the switch key is received;
the control chip is also used for controlling the switch element to be kept disconnected through the output control end when the control chip is in an upgrading mode, and receiving upgrading data through the upgrading end.
Optionally, the control chip includes a voltage collecting end, the voltage collecting end is electrically connected to a predetermined pin of the output port, wherein:
and the control chip is also used for controlling the switch element to be kept disconnected and receiving upgrading data by using the upgrading end when the equipment connected with the output port is determined to be upgrading equipment according to the voltage value acquired by the voltage acquisition end.
Optionally, the control chip is further configured to, when it is determined that the device connected to the output port is a load according to the voltage value collected by the voltage collection terminal, control the switching element to enable the battery assembly to output voltage to the predetermined pin of the output port when a cigarette lighting signal generated by operating the switch key is received.
Optionally, the voltage output circuit further includes a protection module, where the protection module includes a battery protection chip, and the battery protection chip includes a power receiving terminal, a ground terminal, a heat dissipation block terminal, and a charging detection terminal;
the power receiving end of the battery protection chip is connected with the positive electrode of the battery assembly, the grounding end of the battery protection chip is connected with the negative electrode of the battery assembly, the radiating block end of the battery protection chip is connected with the grounding end of the battery protection chip, the charging detection end of the battery protection chip is grounded, and the grounding end of the battery protection chip is electrically connected with the grounding pin of the output interface.
Optionally, the voltage output circuit further includes an indicator light assembly, and each indicator light in the indicator light assembly is electrically connected to an indicator light control terminal of the control chip, wherein:
the control chip is also used for prompting whether the control chip is in the upgrading mode and/or prompting to enter the upgrading mode and/or prompting to exit the upgrading mode by controlling the on and off of each indicator lamp in the indicator lamp assembly.
Optionally, the voltage output circuit further includes a wireless charging module, and the wireless charging module is electrically connected to the positive electrode of the battery assembly.
In a second aspect, an electronic cigarette is provided, the electronic cigarette includes an electronic cigarette body and an atomizer detachably connected to the electronic cigarette body, and the electronic cigarette body includes the voltage output circuit related to any one of the optional embodiments of the first aspect and the first aspect.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is:
by providing a voltage output circuit, voltage output circuit includes control chip, battery pack, switching element, and control chip includes upgrading end, output control end, wherein: the output control end is electrically connected with the control end of the switch element, the first path end of the switch element is electrically connected with the positive electrode of the battery assembly, the second path end of the switch element is electrically connected with a preset pin of the output port, and the output port is used for being connected with a load or upgrading equipment; the upgrading end is electrically connected with a preset pin of the output port; the problem that the firmware of the conventional electronic cigarette cannot be upgraded is solved; the effect that the electronic cigarette can be upgraded in a firmware mode and the experience degree of the electronic cigarette product is improved is achieved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic connection diagram of a voltage output circuit provided in an embodiment of the present invention;
fig. 2 is a schematic connection diagram of a voltage output circuit according to another embodiment of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention for achieving the intended purpose of the present invention, the following detailed description will be given with reference to the accompanying drawings and preferred embodiments of the present invention for the specific embodiments, structures, features and effects of the voltage output circuit and the electronic cigarette according to the present invention.
The foregoing and other features, aspects and utilities of the present invention will be apparent from the following more particular description of preferred embodiments of the invention as illustrated in the accompanying drawings. While the present invention has been described with reference to the embodiments, the drawings are for illustrative purposes only and are not intended to limit the present invention.
Fig. 1 is a schematic connection diagram of a voltage output circuit provided in an embodiment of the present invention. As shown in fig. 1, the voltage output circuit of the present embodiment includes a control chip U1, a battery assembly, and a switch element, the control chip U1 includes an upgrade terminal 11 and an output control terminal 12, wherein:
the output control end 12 is electrically connected with a control end 23 of a switch element, a first pass end 21 of the switch element is electrically connected with the positive electrode of the battery assembly, a second pass end 22 of the switch element is electrically connected with a preset pin 30 of an output port, and the output port is used for being connected with a load or upgrading equipment;
the upgrade end 11 is electrically connected with a predetermined pin 30 of the output port.
When the output port is connected with a load, the control chip U1 can switch between the on and off states by controlling the switching element to enable the battery assembly to provide voltage to the predetermined pin 30, and the load connected with the predetermined pin 30 can receive the voltage to perform atomization; when the output port is connected with the upgrading device, the data pin of the upgrading device is connected with the preset pin 30 of the output port, the upgrading device can send upgrading data to the upgrading end 11 of the control chip U1 by using the data pin of the upgrading device, and the control chip U1 can upgrade firmware by using the received upgrading data.
The upgrade device referred to in this application may include an electronic device such as a smart phone, a tablet computer, a smart television, a laptop computer, a desktop computer, and the like, and the upgrade device is not particularly limited in this application.
Optionally, the upgrade terminal 11 of the control chip U1 is connected to the predetermined pin 30 of the output port through a resistor R1.
Optionally, the voltage collecting terminal 13 of the control chip U1 is connected to the predetermined pin 30 of the output port through a resistor R2.
Optionally, a power receiving end of the control chip U1 is electrically connected to the battery assembly to receive the system supply voltage.
To sum up, the utility model provides a voltage output circuit, including control chip, battery pack, switching element, control chip includes upgrading end, output control end, wherein: the output control end is electrically connected with the control end of the switch element, the first path end of the switch element is electrically connected with the positive electrode of the battery assembly, the second path end of the switch element is electrically connected with a preset pin of the output port, and the output port is used for being connected with a load or upgrading equipment; the upgrading end is electrically connected with a preset pin of the output port; the problem that the firmware of the conventional electronic cigarette cannot be upgraded is solved; the effect that the electronic cigarette can be upgraded in a firmware mode and the experience degree of the electronic cigarette product is improved is achieved.
Alternatively, the user may trigger the control chip U1 to enter the upgrade mode by operating the switch key SW. Specifically, the voltage output circuit further comprises a switch SW, and the switch SW is electrically connected with the control chip U1. Wherein: the control chip U1 is used for entering an upgrading mode when receiving an upgrading signal generated by the operation of the switch key SW; and the control chip U1 is also used for controlling the switch element to be kept off through the output control terminal 12 when in the upgrading mode, and receiving upgrading data by the upgrading terminal 11. The upgrade signal referred to in the present application may be set by a developer or may be customized by a user, for example, the upgrade signal may be an operation signal generated when the switch key SW is continuously pressed 10 times. That is, the user can trigger the control chip U1 to enter the upgrade mode by operating the switch key SW.
Optionally, the control chip U1 is further configured to exit the upgrade mode after completing the firmware upgrade using the upgrade data.
In one example, one end of the switch SW is connected to the cigarette lighting signal receiving end of the control chip U1, and the other end is electrically connected to the ground pin of the output port to be grounded.
Optionally, the voltage output circuit may self-check whether the device connected to the output port thereof is an upgrade device; if the equipment connected with the output port of the control switch element is upgrading equipment, the control switch element is kept disconnected, and an upgrading mode is entered. Specifically, the control chip U1 includes a voltage collecting terminal 13, the voltage collecting terminal 13 is electrically connected to the predetermined pin 30 of the output port, wherein: the control chip U1 is further configured to determine whether the device connected to the output port is an upgrade device according to the voltage value acquired by the voltage acquisition terminal 13, and enter an upgrade mode when the device connected to the output port is an upgrade device; the control chip U1 entering the upgrade mode receives upgrade data using the upgrade terminal and performs firmware upgrade using the received upgrade data.
Generally, when the upgrade apparatus is connected to the output port, the voltage supplied to the predetermined pin 30 by the upgrade apparatus is a predetermined voltage (e.g., 5V); therefore, the control chip U1 may determine that the device connected to the output port is an upgraded device when the voltage collected by the voltage collecting terminal 13 is a predetermined voltage or higher than the voltage of the battery pack. Optionally, the control chip U1 is further configured to exit the upgrade mode after completing the firmware upgrade using the upgrade data.
Optionally, when detecting a cigarette lighting signal generated by operating the switch SW, the control chip U1 controls the battery assembly to output voltage to the predetermined pin 30 through the output control terminal 12, and obtains a voltage value collected by the voltage collecting terminal 13; if the voltage value acquired by the voltage acquisition end 13 is greater than the no-load voltage and lower than the voltage of the battery pack, it is determined that the device connected to the output port is a load. The control chip U1 is further configured to control the switching element to enable the battery assembly to provide the output voltage to the predetermined pin 30 of the output port when receiving the cigarette lighting signal generated by the operation of the switch SW under the condition that the device connected to the output port is determined to be a load according to the voltage value collected by the voltage collecting terminal 13.
The control chip U1 is further configured to control the switching element to remain off to prevent the battery pack from providing the output voltage to the predetermined pin 30 of the output port when it is determined that the load is not connected to the output port according to the voltage value collected by the voltage collecting terminal 13. That is, when the load is not connected to the output port, the battery pack does not output a voltage to the predetermined pin 30 of the output port even if the switch key SW is operated to light a cigarette.
Optionally, when the voltage value acquired by the voltage acquisition end 13 is the no-load voltage, the control chip U1 determines that the output port is not connected to the load; optionally, the control chip U1 determines that the output port is connected with the load when the voltage value collected by the voltage collecting terminal 13 is a predetermined voltage or higher than the voltage of the battery assembly.
Optionally, the voltage output circuit further includes a protection module, and the battery assembly is grounded through the protection module. The protection module comprises a battery protection chip, wherein the battery protection chip comprises a power supply receiving end, a grounding end, a radiating block end and a charging detection end; the power receiving end of the battery protection chip is connected with the anode of the battery assembly, the grounding end of the battery protection chip is connected with the cathode of the battery assembly, the radiating block end of the battery protection chip is connected with the grounding end of the battery protection chip, the charging detection end of the battery protection chip is grounded, and the grounding end of the battery protection chip is electrically connected with the grounding pin of the output interface.
Optionally, the voltage output circuit further comprises an indicator light assembly, each indicator light (not shown) in the indicator light assembly is electrically connected to an indicator light control terminal (not shown) of the control chip U1, wherein: the control chip U1 is also used for prompting whether the control chip U1 is in the upgrading mode and/or prompting to enter the upgrading mode and/or prompting to exit the upgrading mode and/or prompting whether to light the cigarette or not by controlling the on and off of each indicator lamp in the indicator lamp component. In practical implementation, the indicator light may be a light emitting diode, a cathode of the light emitting diode is connected to one indicator light control terminal 23 of the control chip U1, and an anode of each light emitting diode is connected to the battery assembly to receive the system supply voltage.
Optionally, referring to fig. 2, the voltage output circuit further includes a wireless charging module, and the wireless charging module is electrically connected to the positive electrode of the battery assembly.
The utility model also provides an electron cigarette, electron cigarette include the electron cigarette body and can dismantle the atomizer of being connected with the electron cigarette body, and the electron cigarette body includes the voltage output circuit that any above embodiment relates.
The above is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, but the present invention is not limited to the above embodiments, and any skilled person familiar with the art can make some changes or modifications to equivalent embodiments of equivalent changes within the technical scope of the present invention without departing from the technical scope of the present invention, but any simple modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention still belong to the technical scope of the present invention.
Claims (8)
1. A voltage output circuit, characterized in that, voltage output circuit includes control chip, battery pack, switching element, control chip includes upgrading end, output control end, wherein:
the output control end is electrically connected with the control end of the switch element, the first path end of the switch element is electrically connected with the positive electrode of the battery assembly, the second path end of the switch element is electrically connected with a preset pin of an output port, and the output port is used for being connected with a load or upgrading equipment;
the upgrading end is electrically connected with a preset pin of the output port.
2. The voltage output circuit of claim 1, further comprising a switch key electrically connected to the control chip, wherein:
the control chip is used for entering an upgrading mode when an upgrading signal generated by operating the switch key is received;
the control chip is also used for controlling the switch element to be kept disconnected through the output control end when the control chip is in an upgrading mode, and receiving upgrading data through the upgrading end.
3. The voltage output circuit of claim 1, wherein the control chip comprises a voltage acquisition terminal electrically connected to a predetermined pin of the output port, wherein:
and the control chip is also used for controlling the switch element to be kept disconnected and receiving upgrading data by using the upgrading end when the equipment connected with the output port is determined to be upgrading equipment according to the voltage value acquired by the voltage acquisition end.
4. The voltage output circuit of claim 3,
the control chip is further used for controlling the switch element to enable the battery component to output voltage to a preset pin of the output port when a cigarette lighting signal generated by operating a switch key is received under the condition that equipment connected with the output port is determined to be a load according to the voltage value acquired by the voltage acquisition end.
5. The voltage output circuit of claim 1, further comprising a protection module, wherein the protection module comprises a battery protection chip, and the battery protection chip comprises a power receiving terminal, a ground terminal, a heat sink terminal, and a charge detection terminal;
the power receiving end of the battery protection chip is connected with the positive electrode of the battery assembly, the grounding end of the battery protection chip is connected with the negative electrode of the battery assembly, the radiating block end of the battery protection chip is connected with the grounding end of the battery protection chip, the charging detection end of the battery protection chip is grounded, and the grounding end of the battery protection chip is electrically connected with the grounding pin of the output port.
6. The voltage output circuit of claim 1, further comprising an indicator lamp assembly, each indicator lamp of the indicator lamp assembly being electrically connected to a respective indicator lamp control terminal of the control chip, wherein:
the control chip is also used for prompting whether the control chip is in the upgrading mode and/or prompting to enter the upgrading mode and/or prompting to exit the upgrading mode and/or prompting whether to light cigarettes or not by controlling the on and off of each indicator lamp in the indicator lamp assembly.
7. The voltage output circuit of claim 1, further comprising a wireless charging module electrically connected to the positive electrode of the battery assembly.
8. An electronic cigarette, characterized in that, the electronic cigarette includes the electronic cigarette body and with the atomizer that the electronic cigarette body can dismantle the connection, the electronic cigarette body includes the voltage output circuit of any of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921929591.5U CN211458866U (en) | 2019-11-11 | 2019-11-11 | Voltage output circuit and electron cigarette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921929591.5U CN211458866U (en) | 2019-11-11 | 2019-11-11 | Voltage output circuit and electron cigarette |
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| Publication Number | Publication Date |
|---|---|
| CN211458866U true CN211458866U (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921929591.5U Active CN211458866U (en) | 2019-11-11 | 2019-11-11 | Voltage output circuit and electron cigarette |
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| CN (1) | CN211458866U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113303505A (en) * | 2021-05-19 | 2021-08-27 | 西安稳先半导体科技有限责任公司 | Tobacco rod and electronic cigarette |
| CN113303506A (en) * | 2021-05-19 | 2021-08-27 | 西安稳先半导体科技有限责任公司 | Tobacco rod and electronic cigarette |
-
2019
- 2019-11-11 CN CN201921929591.5U patent/CN211458866U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113303505A (en) * | 2021-05-19 | 2021-08-27 | 西安稳先半导体科技有限责任公司 | Tobacco rod and electronic cigarette |
| CN113303506A (en) * | 2021-05-19 | 2021-08-27 | 西安稳先半导体科技有限责任公司 | Tobacco rod and electronic cigarette |
| CN113303506B (en) * | 2021-05-19 | 2024-01-12 | 西安稳先半导体科技有限责任公司 | Tobacco stem and electronic cigarette |
| CN113303505B (en) * | 2021-05-19 | 2024-01-12 | 西安稳先半导体科技有限责任公司 | Tobacco stem and electronic cigarette |
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